|Publication number||CN104486704 A|
|Application number||CN 201510003034|
|Publication date||1 Apr 2015|
|Filing date||5 Jan 2015|
|Priority date||5 Jan 2015|
|Publication number||201510003034.0, CN 104486704 A, CN 104486704A, CN 201510003034, CN-A-104486704, CN104486704 A, CN104486704A, CN201510003034, CN201510003034.0|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Classifications (2), Legal Events (2)|
|External Links: SIPO, Espacenet|
技术领域 TECHNICAL FIELD
 本发明涉及一种翻转扬声器及具有该翻转扬声器的笔记本电脑，属于计算机及其相关领域。  The present invention relates to a flip speakers and have the inverted speaker laptop computer and its related fields belong.
背景技术 Background technique
目前，所有的笔记本电脑的扬声器都是内藏在笔记本电脑的内部，而且扬声器的出音孔一般设置在笔记本电脑的显示端的下方，即扬声器的发声方向也并未指向使用者，这样不仅造成了声音能量的浪费，而且也造成使用者的感受并不是非常好。  Currently, all laptop speakers are built inside the laptop, but the speaker of the sound hole is generally disposed below the display side of the laptop, the sound direction speaker also did not point to the user, such not only caused the sound energy waste, but also caused the user's experience is not very good. 因此，如何改进扬声器的设置，使其不会造成声音能量的浪费并使使用者具有良好的感受体验，是本领域技术人员亟待解决的问题。 Therefore, how to improve the speaker setup, it does not cause sound energy waste and make the user experience a good feeling, is skilled in the problems to be solved.
发明内容 SUMMARY OF THE INVENTION
 鉴于现有技术中存在的上述问题，本发明所要解决的技术问题是提供一种翻转扬声器，其能够随着显示端的翻转而翻转，使其出音孔外露并朝向使用者，使用者的使用感受更佳。  In view of the above-mentioned problems in the prior art, the technical problem to be solved by the present invention is to provide a flip speaker, which is capable of flipping and with the flip side of the display, the sound hole so that the exposed and toward the user, the user Use feel better.
 为了解决上述技术问题，本发明采用了如下技术方案:翻转扬声器，应用于电子产品上，所述电子产品包括枢转连接的第一部件和第二部件，所述翻转扬声器包括:  In order to solve the above problems, the present invention employs the following technical solution: Flip the speakers, the electronic products used in the electronic products, including a first member and a second member pivotally connected, the flip speakers include:
 扬声器本体；  The speaker body;
 传动机构，其至少包括第一转轴和第二转轴；所述第一部件和第二部件通过所述第一转轴枢转连接；  The drive mechanism, which comprises at least a first rotary shaft and second rotary shaft; said first member and said second member through a first pivot connection axis;
 所述第一部件翻转时通过所述传动机构带动所述扬声器本体随所述第二转轴转动至预定角度，以使所述扬声器本体上的出音孔外露。  The first member driven by the drive mechanism when flipping the speaker body with the second axis of rotation to a predetermined angle, so that the sound hole of the speaker on the body exposed.
 作为优选，所述传动机构还包括:  Advantageously, said transmission mechanism further comprises:
 第一齿轮，其固定在所述第一转轴上，并随所述第一部件转动；  The first gear fixed on said first shaft and rotatable with said first member;
 第二齿轮，其固定在所述第二转轴上，并随所述扬声器本体转动；  a second gear, which is fixed on said second shaft, and rotating with said speaker main body;
 齿条，其具有分别与所述第一齿轮和第二齿轮相啮合的第一齿部和第二齿部，使所述第一齿轮推动所述齿条移动时，所述齿条能够带动所述第二齿轮转动至所述扬声器本体到达所述预定角度；所述齿条上还具有用于控制所述扬声器本体的开关启闭的按压部。 When  a rack, having a first toothed portion and the second teeth portion with said first gear and the second gear engages, said first gear rack to move the pushing, the rack It can bring the second gear to rotate to the speaker body reaches the predetermined angle; on the rack also has a pressing portion switch for controlling the opening and closing of the speaker body.
 作为优选，所述第一齿部和第二齿部分别位于所述齿条的靠近两端部；所述第一齿轮和第一齿部的相啮合段短于所述第二齿轮和第二齿部的相啮合段，以使所述第一齿轮带动第二齿轮转动至所述扬声器本体到达所述预定角度后，所述第一齿轮继续转动时，所述齿条和第二齿轮保持在固定位置。  Advantageously, the first teeth portion and the second tooth portions located close to opposite ends of the rack; said first section and the first gear teeth engageable portion is shorter than said second gear and a second tooth segment engaged portion, such that the first driven gear to the second gear to rotate said speaker main body to said predetermined angle, said first gear is further rotated, the rack and the second gear in a fixed position.
 作为优选，翻转扬声器还包括:  Preferably, flip speaker also includes:
 止挡件，用于当所述扬声器本体由所述预定角度反向转动时带动所述第二齿轮以驱动所述齿条反向运动至所述按压部按压住所述开关时止挡所述齿条的运动；  stopper, when the speaker body to drive said second gear is driven by the reverse rotation of the predetermined angle to the reverse movement of the rack gear portion by pressing the switch pressed for stop the movement of the rack;
 推抵部，其设置于所述第一齿轮上，用于在所述第一齿轮与所述齿条处于啮合状态或预啮合状态时推抵所述止挡件，使所述止挡件解除对所述齿条的止挡；  push abutment portion provided on said first gear for first gear when said rack in engagement with said pre-engaged condition or pushed against the stopper stop member, so that the stopper lift the stopper stopper on the rack;
 弹性复位元件，其设置在所述第二转轴上，当所述扬声器本体由所述预定角度反向转动时所述弹性复位元件积蓄扭力。  elastic return element, which is disposed on said second shaft, said elastic return element when the reverse rotation of the speaker body from said accumulated predetermined torsion angle.
 作为优选，所述止挡件包括止挡片和连接部，所述止挡件通过所述连接部套设于所述第一转轴上，所述止挡片固定连接在所述连接部上；所述齿条的侧面上开设有止挡槽，所述止挡片具有与所述止挡槽相配合的止挡部。  Advantageously, the stopper includes a stopper piece and the connecting portion, the stopper through the connection portion sleeved on said first shaft, said stopper is fixedly connected to the connecting piece creation of a stopper groove on the side of the rack, the stopper piece has a stopper portion with said stopper groove mating; upper portion.
 作为优选，所述止挡件还包括两个定位片，两个定位片分别位于所述止挡片的两侦h所述第二部件开设有与所述定位片相对应的卡槽，所述定位片的一端与所述连接部连接，另一端嵌入所述卡槽内。  Advantageously, the stopper also includes two positioning pieces, two positioning pieces are located in two reconnaissance h said stopper piece of the second part opened with a positioning piece corresponding slot , one end of the connecting portion of the positioning plate and the other end embedded in said slot.
 作为优选，所述弹性复位元件为扭簧，所述扭簧套设在所述第二转轴上且其的一端与所述第二齿轮固定，另一端与用于支撑所述扬声器本体的本体承架固定。  Advantageously, the elastic return element is a torsion spring, the torsion spring sleeved on said second rotary shaft fixed to one end thereof and with said second gear, the other end for supporting the speaker body The body of the rack fixed.
 作为优选，所述第一齿部和第二齿部之间的所述齿条上靠近所述第一齿部设置有第一导向部，所述第一导向部具有在所述第一齿轮转动时允许其上的齿通过的导通槽。  Advantageously, said first tooth of said rack portion and the second portion between adjacent teeth of said first toothed portion is provided with a first guide portion, said first portion having said first guide a gear tooth allows the conduction channel by rotation thereon.
 作为优选，所述推抵部为弧形条状，其设置于所述第一齿轮的侧面上，且其弧心位于所述第一齿轮的轴线上，所述第一导向部的顶面为与所述推抵部相应的弧面。  Advantageously, the arcuate portion pushes against the strip, which is provided on a side of the first gear, and the arc center is located on the axis of said first gear, said first guide portion the top surface of the push against the portion corresponding arc.
 本发明同时还公开了一种笔记本电脑，包括上述的翻转扬声器，所述第一部件为显示端，所述第二部件为系统端，所述翻转扬声器设置于所述系统端上。  The present invention also discloses a laptop computer, including the aforementioned flip speaker, the first member to show the end of the second part of the system side, the flip speaker provided on the system side.
 作为优选，所述系统端包括系统承架，所述系统承架具有一底板以及相对的第一侧板和第二侧板，所述卡槽为长条形并开设在所述底板上；所述第一侧板和第二侧板上开设有相对应的用于使所述第一转轴穿设的通孔，以使所述第一转轴能相对所述系统承架转动。  Advantageously, the system includes a system-side rack, the rack system has a backplane and opposed first and second side panels, the slot is elongated and open at the bottom said first and second side panels for creation of a corresponding said first rotary shaft through-hole formed so that the first shaft can be rotated relative to the rack system; on.
 作为优选，所述显示端包括显示承架，所述显示承架与所述第一转轴位于所述第一侧板外的一端固定；所述第一齿轮固定在所述第一转轴的另一端，且靠近所述第二侧板的内侧。  Advantageously, the display terminal includes a display rack, said display rack with the first shaft located at one end of said first outer side plate is fixed; the first gear fixed to said first rotary shaft The other end, and close to the inner side of the second side panel.
 作为优选，所述本体承架包括第一本体承架和第二本体承架，所述第一本体承架固定在所述系统承架的底板上，所述第二转轴的一端穿过所述第一本体承架和所述第二侧板，另一端穿过所述第二本体承架，所述第二转轴与所述本体承架和第二侧板转动连接，所述扬声器本体固定于所述第二转轴位于所述第二侧板和第二本体承架之间的部分；所述第二齿轮位于所述本体承架和第二侧板之间。  Advantageously, the rack body comprising a first body and the second body rack rack, the rack fixed to the first body in the rack system backplane, one end of said second shaft wear rack through the first body and the second side panel, the other end of the body through the second rack, said second shaft and the body of the rack and the second side panel pivotally connected to the speaker the body is fixed to said second shaft portion of the second side panel and a second body located between said rack; said second gear is located between the body and the second side plate rack.
 作为优选，所述扬声器本体朝向所述第二侧板的一侧具有突出于其本体的第二导向部，所述第二侧板上开设有弧形的导向槽，在所述扬声器本体转动时，所述第二导向部在所述导向槽内滑动。  Advantageously, said speaker main body toward a side of the second guide plate has a second projecting portion of its body, the creation of a curved guide groove on the second side panel, the speaker When the body is rotated, the second guide portion slides in the guide groove.
 作为优选，所述系统端靠近所述显示端的表面上具有用于收纳所述扬声器本体的容置槽。  Advantageously, said end adjacent said display system having a receiving slot for receiving the upper end of the speaker body surface.
 作为优选，所述扬声器本体具有顶面和侧面，所述出音孔开设在所述侧面上，当所述显示端转动至与所述系统端之间的夹角为O度时，扬声器本体完全容置于所述容置槽内，且所述扬声器本体的顶面不突出于所述系统端朝向所述显示端的表面。  Advantageously, the speaker body having a top surface and a side surface, said the sound hole open on the side, when the rotation angle of the display side to the system side between the O degrees, speaker body completely accommodated in the accommodating groove and the top surface of the speaker body does not protrude from the surface of the system toward the end of the end of the show.
 作为优选，所述翻转扬声器为两个，所述系统端具有与所述显示端相对应的转动侦牝两个所述翻转扬声器对称设置在所述系统端的转动侧的两端且朝向所述显示端的表面。  Advantageously, the two flip speaker, said system having a terminal end of said display corresponding to the rotation of the two flip investigation female speakers symmetrically disposed on the rotating side of the system toward the end of the two ends and surface side of the display.
 与现有技术相比，本发明的翻转扬声器及其笔记本电脑的有益效果在于:  Compared with the prior art, flip the laptop speakers and the beneficial effects of the present invention is:
 1、本发明的翻转扬声器能够随着笔记本电脑显示端的翻转而翻转至预定角度，使其在允许发声状态时出音孔的发声方向朝向使用者，声音的指向性更佳，使用感受更佳。  1, flip the speaker of the present invention can be displayed along with a laptop flip side and flip to a predetermined angle, so that when the state allows the vocal sound toward the user direction of the sound hole, directional sound better, using the experience better. 而在禁声状态，翻转扬声器嵌入在笔记本电脑的系统端内，以系统端融为一体。 In gag state, flip speakers embedded in the system end laptops to integrate the system side.
 2、本发明可以实现模组化，有利于整机装配，而无需多道组装工序，增加了操作员的装配效率，也减小了因多次装配带来的累积公差，减小失效或外观不良的风险。  2, the present invention can be implemented modular conducive to the whole assembly, without the need for multi-channel assembly process, increasing the assembly operator efficiency, but also reduces the assembly for repeatedly bringing the cumulative tolerance, reduced the risk of failure or poor appearance.
 3、本发明的翻转扬声器在禁声状态与允许发声状态之间的切换操作更方便，更有利于人机交互。  3, flip speaker of the present invention allows the sound gag state switching operation between states is more convenient, more conducive to human-computer interaction.
附图说明 Brief Description
 图1为本发明的翻转扬声器的立体结构示意图(其中示出了显示承架、系统承架和本体承架)。  FIG. 1 rollover speaker schematic three-dimensional structure of the present invention (which shows a display rack, system rack and rack body).
 图2为图1的分解示意图。  Figure 2 is an exploded schematic view of FIG. 1.
 图3为本发明的翻转扬声器的立体结构示意图。  three-dimensional structure of flip speaker schematic in Figure 3 of the present invention.
 图4为本发明的翻转扬声器的齿条的结构示意图。 Schematic rack flip speaker  FIG. 4 of the present invention.
图5为本发明的翻转扬声器的第一齿轮的结构示意图。  FIG. 5 Schematic diagram of the first gear of the present invention flip speaker.
 图6为本发明的翻转扬声器的第二齿轮的结构示意图。 Flip speaker structure second gear  FIG. 6 is a schematic diagram of the invention.
 图7为本发明的翻转扬声器的止挡件的其中一个方向的结构示意图。 Schematic stopper one direction, flip the speaker  FIG. 7 of the present invention.
 图8为本发明的翻转扬声器的止挡件的另一个方向的结构示意图。  The schematic structure of the stopper in the other direction flip speaker Figure 8 of the present invention.
 图9为本发明的笔记本电脑的结构示意图。 Structure  FIG. 9 laptop schematic diagram of the present invention.
 图10为本发明的笔记本电脑的系统承架的结构示意图。  FIG. 10 Schematic diagram of the present invention the laptop system's rack.
 图11为本发明的笔记本电脑的显示端和扬声器本体均处于初始状态的示意图。  Figure 11 shows the body end and the speaker of the present invention laptops are in the initial state of FIG.
 图12为本发明的笔记本电脑的扬声器本体转动至预定角度的状态示意图。  FIG. 12 laptop speaker of the present invention to a predetermined angle of rotation of the body state. Fig.
 图13为本发明的笔记本电脑的扬声器本体保持预定角度，而显示端继续转动至工作状态的示意图。  FIG. 13 laptop speaker of the present invention the body maintain a predetermined angle, schematic and continue to rotate the display side to work states.
 图14为本发明的笔记本电脑的显示端处于工作角度，而扬声器本体向下按压至禁声状态的不意图。  Figure 14 shows the end of the laptop is working angle of the present invention, while pressing down the speaker body to gag status is not intended.
 图15为图14的AA向剖图。  FIG. 15 is the AA sectional view of FIG. 14.
 图16为本发明的笔记本电脑在扬声器本体处于按压至禁声状态时关闭显示端至5度时的状态示意图。 Laptop  FIG. 16 of the present invention in speaker body in the closed state of the display side to 5 degrees when pressed to gag state Fig.
 图17为图16的BB向剖图。  FIG. 17 is a sectional view of FIG. 16 to BB.
 附图标记说明  DESCRIPTION OF REFERENCE NUMERALS
 1-第一转轴 2-扬声器本体  1- 2- speaker body first shaft
 3-第二转轴 4-第一齿轮  3- 4- second shaft first gear
 5_第二齿轮 6_齿条  5_ 6_ second gear rack
 7-第一齿部 8-第二齿部  7- 8- first teeth portion of the second tooth portion
 9-出音孔 10-开关  9- 10- switch the sound hole
 11-按压部 12-止挡件  11- 12- stopper pressing portion
 13-推抵部 14-弹性复位元件  13- 14- unit pushes against elastic return element
 15-止挡片 16-连接部  15- 16- stopper piece connecting portion
 17-止挡槽 18-止挡部  17- 18- stopper groove stopper
 19-定位片 20-显示承架  19- 20- display rack positioning pieces
 21-导通槽 22-凸起  21- 22- projections turned groove
 23-系统承架 24-底板  23- 24- rack system backplane
 25-第一侧板 26-第二侧板  25- 26- second side of the first side panel
 27-卡槽 28-第一通孔  27- 28- slot first through hole
 29-第一本体承架 30-第二本体承架  The first body rack 30- 29- second body rack
 31-垫圈 32-螺母  31- 32- nut washer
 33-弹片 34-凹凸轮  33- 34- shrapnel uneven round
 35-止动凸轮 36-第二通孔  35- 36- second stop cam through hole
 37-第二导向部 38-导向槽  37- 38- second guide portion of the guide groove
 100-翻转扬声器 200-显示端  100 200- display end flip speaker
 300-系统端  300- system side
具体实施方式 DETAILED DESCRIPTION
 下面结合附图和具体实施例对本发明的优选实施例作进一步详细描述，但不作为对本发明的限定。  below in conjunction with the accompanying drawings and specific examples of the preferred embodiment of the present invention is described in further detail, but not as a limitation of the present invention.
 首先需要说明的是:本发明中提及的反向转动是指显示端逐渐靠近系统端的转动，即显示端与系统端的夹角逐渐减小，或称为显示端逐渐闭合。  first need to explain is: reverse rotation of the present invention to refer to the display side gradually approaches the end of the rotation system, the system displays the angle between the end and the end is gradually decreased, or called a display side gradually closed. 而正向转动是指显示端与系统端的夹角逐渐增加，显示端逐渐打开。 The forward rotation is the angle between the end of the display is gradually increased and the system side, the display side is gradually opened.
 本发明的翻转扬声器100，能够应用于电子产品上，所述电子产品应包括通过第一转轴I枢转连接的第一部件和第二部件，为了容易理解，本发明的电子产品以笔记本电脑为例进行说明，第一部件为笔记本电脑的显示端200，而第二部件则为笔记本电脑的系统端300。  Flip speaker 100 of the invention, the electronic products can be used in the electronic products should include a first member and a second member through a first pivot shaft I connected, for easy understanding of the present invention to electronic products notebook computers as an example, the first component of a laptop display terminal 200, and the second part was a laptop system side 300.
 下面结合附图对本发明的翻转扬声器100的具体结构和工作原理进行详细说明。  the following with reference to flip the speaker of the present invention specific structure and working principle 100 will be described in detail.
 如图1和图2所不，本发明的翻转扬声器包括:扬声器本体2和传动机构至少包括第一转轴I和第二转轴3 ;显示端200和系统端300通过第一转轴I枢转连接；扬声器本体2通过第二转轴3枢转连接在系统端300上，第一转轴I和第二转轴3相平行设置。  FIGS. 1 and 2 do not, flip the speaker of the present invention includes: a speaker body 2 and the transmission mechanism comprises at least a first and a second rotary shaft I 3; display end 200 and 300 systems by the end of the first pivot axis I turn connected; speaker body 2 through the second rotary shaft 3 is pivotally connected to the system side 300, a first rotary shaft and second rotary shaft 3 I parallel set. 当显示端200由O度(本发明中提及的显示端200的角度均为显示端200相对系统端300的夹角)开始转动(正向转动)时，能够通过传动机构带动扬声器本体2转动，当扬声器本体2转动至预定角度后，显示端200继续转动，而扬声器本体2保持在该角度不动。 When the display side 200 by the O degrees (angle display terminal of the present invention are mentioned in 200 display system side angle opposite end 200 300) starts to rotate (forward rotation), it is possible to drive through a transmission mechanism to rotate the speaker body 2 When speaker body 2 is rotated to a predetermined angle, the display terminal 200 continues to rotate, and the speaker body 2 held at this angle does not move. 同时扬声器本体2在转动的过程中可实现开启状态与关闭状态的切换，即在O度时，扬声器本体2处于关闭状态(禁声状态)，当扬声器本体2转动至预定角度时，触发扬声器本体2的开关10，使扬声器本体2由禁声状态转换至开启状态(允许发声状态)。 At the same time the speaker body 2 may be implemented in the course of the rotation toggle the state and the closed state, that is, when O degrees, speaker body 2 in the closed state (gag state), when the speaker body 2 is rotated to a predetermined angle, trigger speaker body 2 switch 10, the speaker sound body 2 transition from state to ban on state (allowing vocal state).
 如图3所示，所述传动机构还包括:第一齿轮4、第二齿轮5和齿条6，第一齿轮4固定在第一转轴I上，显示端200与第一转轴I固定连接，显示端200转动时带动第一转轴I和第二齿轮4转动；第二齿轮5固定在第二转轴3上，扬声器本体2与第二转轴3固定连接；齿条6具有分别与第一齿轮4和第二齿轮5相嗤合的第一齿部7和第二齿部8，第一齿轮4随显示端200转动时推动齿条6朝向第二齿轮5的方向移动，由于齿条6的第二齿部8与第二齿轮5相啮合，因此齿条6的移动能够带动第二齿轮5及扬声器本体2转动。  shown in Figure 3, the drive mechanism further comprises: a first gear 4, 5 and the second gear rack 6, a first gear 4 is fixed to the first rotary shaft I, the first rotary shaft 200 and the display terminal I fixedly connected, a first display drive shaft I and the second gear 4 is rotated to rotate end 200; second gear 5 is fixed to the second rotary shaft 3, the speaker main body 2 is fixedly connected with the second rotary shaft 3; 6 having respectively first rack a gear 4 and 7 of the first tooth and a second tooth of the second gear 5 relative laugh together 8, the first show to promote the rack gear 4 with 6 direction towards the second gear 5 moves end 200 is rotated, since the rack 6 second tooth portion 8 is engaged with the second gear 5, 6 can therefore move the rack drive gear 5 and the second speaker body 2 is rotated. 由于扬声器本体2无需像显示端200 —样，工作状态至少旋转至90度(一般会大于90度)。 Since the speaker body 2 without image display side 200-- like, work status rotated at least 90 degrees (typically greater than 90 degrees). 而扬声器本体2只需转动一定角度使其上的出音孔9露出即可(一般无需大于90度)。 The speaker body 2 by simply turning on an angle so that it is exposed to the sound hole 9 (generally without more than 90 degrees). 因此，当显示端200转动时，只需通过齿条6带动扬声器本体2转动至预定角度(例如60度)即可，当显示端200继续转动时不会再带动扬声器本体2转动。 Therefore, when the display side 200 is rotated, only 6 driven by a rack speaker body 2 is rotated to a predetermined angle (eg 60 degrees) can be, when the display terminal 200 continues to rotate the speaker will not be driven by rotation of the body 2. 齿条6上还具有用于控制开关10启闭的按压部11。 Rack also has a pressing portion for controlling the opening and closing of the switch 10 11 6. 开关10的设置位置固定不动，按压部11随齿条6的移动而移动，按压部11在移动时与开关10触碰或分离(触碰时扬声器本体2禁声，分离时扬声器本体2发声)，从而实现开关10的启闭。 Set the position switch 10 fixed and mobile pressing portion 11 with the rack 6 is moved, when the pressing portion 11 moves with the switch 10 touch or separation (touch the speaker body 2 gag, separation speaker sound body 2 ), in order to achieve the opening and closing of the switch 10.
 为了实现显示端200仅带动扬声器本体2转动至预定角度后不再继续跟随显示端200的翻转而翻转，就应该在显示端200继续翻转时，第一齿轮4不再驱动齿轮6移动或者第二齿轮5不再与齿条6相啮合。  In order to achieve the display terminal 200 to drive the speaker only after the body 2 to a predetermined angle of rotation no longer continue to follow the display side flip 200 and flip, it should continue to flip the display side 200, a first gear 4 is no longer driven gear 6 is moved 5 or the second gear 6 is no longer meshed with the rack. 本实施例中采用的是当扬声器本体2转动至预定角度后，第一齿轮4脱离与齿条的啮合，第一齿轮4继续转动时齿条6保持不动。 This embodiment is used when the speaker after the body 2 is rotated to a predetermined angle, 4 out of first gear meshing with the rack, 4 to continue to rotate the first gear rack 6 remain intact. 如图3所示，并同时结合图4、图5和图6，具体的结构为:第一齿部7和第二齿部8分别位于齿条6的靠近两端部；第一齿轮4和第一齿部7的相啮合段短于第二齿轮5和第二齿部8的相啮合段。 As shown in Figure 3, and also in conjunction with Figure 4, Figure 5 and Figure 6, a specific configuration of: a first toothed portion 7 and the second rack tooth portion 8 are located close to both end portions 6; a first gear 4 and a first tooth segment engaged portion 7 is shorter than the second gear 5 and the second teeth portion meshed section 8. 本实施例中的第一齿轮4的轮面上没有完全布满齿，而是仅设置了部分齿，当第一齿轮4转动一定角度后，即使继续转动也不会带动齿条6继续移动。 Examples of the surface of the first gear wheel 4 of the present embodiment is not completely covered with teeth, but is only a partial set of teeth, when the first gear 4 is rotated a certain angle, it will not continue to rotate even if the drive continues to move the rack 6. 同样的，第二齿轮5也仅设置部分齿，大部分轮面是光滑的，但第二齿轮5上的齿比第一齿轮4上的齿多，且第二齿部8比第一齿部7长。 Similarly, the second gear 5 is also provided only partial tooth, the majority of the tread is smooth, but the second gear 5 on the gear ratio of the teeth on the first gear more than 4, and a second gear portion 8 than the first tooth portion 7 Long.
 实际上，第一齿部7的齿数与第一齿轮4上的齿数可以相等也可以不相等，同样的，第二齿部8的齿数与第二齿轮5上的齿数可以相等也可以不相等，只要保证当显示端200转动至大于扬声器本体2的所述预定角度时，显示端200的转动不会再带动扬声器本体2继续跟随转动即可。  In fact, the number of teeth on the gear 4 with the first gear portion 7 of the first teeth can be equal or may not be equal to the same number of teeth of the second tooth portion 8 and the number of teeth on the second gear 5 can also be equal to not equal, as long as the rotation when the display terminal 200 to greater than the predetermined angle speaker body 2, the display side 200 of the rotation will not be driven by speaker body 2 continues to follow the rotation can be. 如图3所示，本实施例中第一齿部7的齿数与第一齿轮4上的齿数相等，而第二齿部8的齿数多于第二齿轮8上的齿数；且第一齿部7的齿数少于第二齿部8的齿数。 3, the present embodiment 4 teeth on the first gear teeth of the first toothed portion 7 is equal, the number of teeth and the second teeth portion 8 is greater than the number of teeth on the second gear 8; and a first tooth portion 7 teeth less than the number of teeth of the second teeth portion 8.
 当显示端200处于工作角度时，即显示端200翻转至与系统端300呈大于90度的角度时，如果使用者只想关闭扬声器，可以只需向下按压使扬声器本体2翻转而处于禁声状态即可。  When the display is working angle end 200, which displays 200 flip side to the system side 300 is greater than the angle was 90 degrees, if the user want to turn off the loudspeaker, you can simply pressing down the speaker body 2 is inverted and in the state to gag. 因此，本发明的翻转扬声器还包括:止挡件12、推抵部13和弹性复位元件14，弹性复位元件14设置于在第二转轴3上，当扬声器本体2由所述预定角度反向转动时通过第二齿轮5将推动齿条6朝向第一齿轮I的方向移动，同时弹性复位元件14积蓄扭力。 Accordingly, the present invention further flip loudspeaker comprising: the stopper 12, abutting portion 13 and the elastic pushing the reset member 14, the elastic member 14 is provided to reset the second rotary shaft 3, when the speaker main body 2 by the reverse rotation of the predetermined angle 5 through the second gear rack 6 will drive in the direction towards the first gear I move, while 14 savings torsion elastic return element. 此过程中，止挡件12用于当齿条6运动至其上的按压部11与开关10触碰时，阻挡齿条6的继续运动，使齿条6保持在固定位置，同时也保证了第二齿轮5以及扬声器本体2的位置保持不动。 This process, the stopper 12 is used when the rack 6 moves to its pressing portion 11 and the switch 10 is touched, the barrier continues to move the rack 6, the rack 6 is held in a fixed position, but also to ensure 5 and the second gear position of the speaker of the body 2 remain intact. 由于按压部11与开关10触碰，使扬声器本体2处于禁声状态，实现了在显示端200处于工作角度时，能独立控制扬声器本体2的关闭。 Since the pressing portion 11 and the switch 10 touch, the speaker body 2 in the state gag realized at the display side 200 is working angle, can control speaker independent body closed 2. 推抵部13设置于第一齿轮4上，当显示端200由工作角度关闭至第一齿轮4与齿条6处于啮合状态或即将啮合状态时，推抵部13推抵止挡件12，使止挡件12解除对齿条6的止挡，在弹性复位元件14的扭力作用下，第二齿轮5正向转动，而齿条6则在第二齿轮5的带动下朝向第二齿轮5的方向移动，此时，本发明的整个翻转扬声器回复至初始状态(所谓初始状态，是指显示端200和扬声器本体2均处于O度的状态，按压部11与开关触碰，第一齿轮4与第一齿部7嗤合，第二齿轮5与第二齿部8啮合)。 Pushing abutment portion 13 is provided on the first gear 4, when the display 200 is closed by the working angle end to the first gear 4 in engagement with the rack 6 or about the engagement state, pushing abutment portion 13 is pushed against the stopper member 12, so that the stopper member 12 to lift the stopper on the rack 6, in the torque effect of elastic return element 14, the second forward gear 5 is rotated, the rack 6 and the second driven gear 5 toward the second gear 5 direction, this time, the speaker of the present invention, the entire flip reply to the initial state (the so-called initial state, the display side is the speaker body 200 and are in a state of O 2 degrees, the pressing portion 11 and the touch switch, and a first gear 4 laugh first tooth portion 7 together, the second gear 5 meshing with the second teeth portion 8).
 如图7和图8所示，并继续结合图2，止挡件12包括止挡片15和连接部16，止挡件12通过连接部16可以套设于第一转轴I上，但应当不随第一转轴I的转动而转动，也就是止挡件12的位置是固定不动的。  FIG. 7 and 8, and continue in conjunction with Figure 2, the stopper 12 includes a connecting portion 12 through 16 may be provided on a first axis I set the stopper plate 15 and the connecting portion 16, the stopper, it should not with rotation of the first shaft I rotates, that is, the position of the stopper member 12 is stationary. 止挡片15固定连接在连接部16上；齿条6的侧面上开设有止挡槽17，止挡片15具有与止挡槽17相配合的止挡部18。 The stopper plate 15 is fixedly connected to the connector section 16; on the side of the rack 6 opened a stopper groove 17, the stopper plate 15 has a stopper groove 17 cooperating with the stopper 18. 当齿条6在第二齿轮5的驱动下朝向第一齿轮4运动至按压部11与开关10触碰时，止挡部18卡入止挡槽17内，从而限制了齿条6的继续移动。 When the first gear rack 6 toward the second driving gear 5 is moved to the pressing portion 4 and the switch 10 is touched 11, the stopper portion 18 snaps into the stopper groove 17, thereby limiting the rack continues to move 6 . 如图8所示，止挡部18的端面为斜面，同样的，止挡槽17与其对应的槽壁也为斜面。 8, the end face of the stopper portion 18 is beveled, the same, but also for the bevel stop recess groove wall 17 corresponding thereto.
 继续结合图7，止挡件12还包括两个定位片19，两个定位片19也连接在连接部16上并分别位于止挡片15的两侧；通过设置定位片19能够固定止挡件12的相对位置。  FIG. 7 continues to combine the stopper 12 also includes two positioning pieces 19, two positioning pieces 19 are also connected to the connector section 16 and are located on both sides of the blank stopper 15; and by providing positioning piece 19 can be fixed the relative position of the stopper 12. 定位片19的定位方式将在下面具体介绍。 Orientation film 19 positioned in the following manner specific description. 如图7所示，止挡片15和定位片19均为朝相同的方向弯折的片体，但止挡片15的弯折程度小于定位片19的弯折程度，使得定位片19的自由端在第一齿轮4的轴向方向上更远离连接部16，同样的也更远离齿条6。 As shown in Figure 7, the stopper plate 15 and the positioning piece 19 are bent toward the same direction as the sheet body, but the extent of the stopper plate 15 is bent less than 19 degree bend orientation film, so that the positioning piece free 19 end in the axial direction of the first gear 4 is further away from the connecting portion 16, the same is more remote from the rack 6. 而且止挡片15的长度比定位片19的长度短，使得定位片19能够插入到卡槽中(将在下面具体介绍)。 And the length of the stopper piece 15 is shorter than the length positioning piece 19 so that the positioning piece 19 can be inserted into the slot (will be specifically described below).
 本实施例中弹性复位元件14采用扭簧，扭簧套设在第二转轴3上且其的一端与第二齿轮5固定，另一端与用于支撑扬声器本体2的本体承架固定。  The other end of the speaker main body for supporting rack 2 fixed this embodiment, the elastic element 14 is reset using the torsion spring, torsion spring sleeved on one end thereof and a second gear 5 is fixed to the second shaft 3, . 弹性复位元件14采用其他类似扭簧的结构均是可行的。 Elastic return of the torsion spring member 14 using other similar structures are feasible. 只要在第二转轴3反向转动时能够积蓄扭力即可，以便使第二齿轮5复位。 As long as the reverse rotation of the second shaft 3 to be able to accumulate the torque to the second gear 5 is reset.
 如图4所不，第一齿部7和第二齿部8之间的齿条6上设置有第一导向部，第一导向部邻近第一齿部7，第一导向部具有导通槽21，实际上第一导向部是由两条平行的凸起22形成，两条凸起22之间形成导通槽21，当第一齿轮4反向转动至其上的齿逐渐靠近齿条6时，导通槽21对第一齿轮4起到导向的作用，第一齿轮4的齿将沿着导通槽21转动，并在推抵部13将止挡片15推起后，齿条6回位(朝向第二齿轮5的方向运动)时，第一齿轮4与第一齿部7相嗤合。  FIG. 4 is not provided between the rack 8 7 6 first tooth portion and a second tooth portion has a first guide portion, a first guide portion adjacent the first tooth portion 7, a first guide portion having conducting channel 21, in fact the first guide portion is composed of two parallel projections 22 are formed, conducting groove 21 is formed between the two projections 22, when the first gear 4 reverse rotation to gradually close its teeth rack 6:00, turned groove 21 first gear 4 play the role of a guide, the teeth of the first gear 4 will move along the guide through slots 21 and 13 will stop pushing against the rear bracket 15 is pushed up, 6 back to the position when the rack (toward the direction of movement of the second gear. 5), the first gear 4 and the first tooth section 7 with laugh together.
 如图5所示，本实施例中将推抵部13设置为弧形条状，其设置于第一齿轮4的侧面上，且其弧心位于第一齿轮4的轴线上。  shown in Figure 5, the present embodiment is set to push against curved strip portion 13, which is disposed on the side of the first gear 4, and the arc center is located on the axis of the first gear 4. 第一导向部的两个凸起22的顶面设置为弧面，使第一齿轮4反向转动至推抵部13朝向齿条6时，能够顺利的从凸起22上滑过。 Two first guide portion of the top surface of the projection 22 is set to the arc, the first gear 4 is rotated to push back against the portion 13 toward the rack 6:00, can glide smoothly from the projection 22.
 本发明同时公开了一种笔记本电脑，如图9所示，笔记本电脑包括显示端200、系统端300以及上述的翻转扬声器100，翻转扬声器100设置于系统端300上。  The present invention also discloses a notebook computer, as shown in Figure 9, the laptop includes a display terminal 200, the system side 300 and said flip speaker 100, 300 on the flip-side speaker system 100 is provided in.
 系统端300包括系统承架23，如图10所示，并结合图1、图2和图9，系统承架23具有一底板24以及相对的第一侧板25和第二侧板26，底板24上开设有长条形的卡槽27，止挡件的定位片19的下端插接于卡槽27内。  The system 300 includes a system rack end 23, as shown in FIG. 10, in conjunction with FIG. 1, FIG. 2 and FIG. 9, the system rack 23 having a base 24 and opposed first side 25 and second side panel 26, the floor opened a long strip of the slot 27, the lower end of the positioning piece 19 stopper plug in slot 27 on 24. 第一侧板25和第二侧板26上开设有相对应的第一通孔28，第一转轴I穿设与第一通孔28内并能相对系统承架23转动。 Creation of a first side corresponding to the first through holes 25 and 28 on the second side plate 26, and penetrates the first shaft I and the rack 23 can be rotated relative to the system 28 of the first through hole.
 显示端200包括显示承架20，如图1和图2所示，显示承架20包括顶板和连接在顶板上的凸耳(图中未标示)，第一转轴I位于第一侧板25外的一端穿设凸耳，使显示承架20固定于第一转轴I上；顶板则位于第一转轴I的上方。  display terminal 200 includes a display rack 20, shown in Figure 1 and Figure 2, the display rack 20 includes a top plate and connected to the top plate lugs (not shown), located on the first side of the first shaft I end plate 25 located outside the through lugs, the display rack 20 is fixed to the first rotary shaft I; roof is located above the first rotary shaft I.
 用于支撑扬声器本体2的本体承架包括第一本体承架29和第二本体承架30，两者分别支撑在扬声器本体2的两端，如图2所示，第一本体承架29固定在系统承架23的底板24上，第二本体承架30固定在系统端300上。  speaker body for supporting the body of the rack body 2 comprises a first rack 29 and the second body rack 30, the two speakers are supported at both ends of the body 2, as shown, the first bearing body 2 frame 29 is fixed to the base 24 system 23 rack, the rack 30 is fixed to the second body in the system end 300.
 继续结合图1至图3，第一齿轮4固定在第一转轴I未固定显示承架20的一端，且靠近第二侧板26的内侧，第一齿轮4与第二侧板26之间设置有垫圈31。  Continue to Fig. 3 in conjunction with Figure 1, a first gear 4 is fixed to a first end of the shaft I unfixed display rack 20, and close to the inner side of the second side plate 26, a first side plate 26 and the second gear 4 It is provided with a gasket 31 between. 第一转轴I上从靠近第一齿轮4的一端起依次套设有垫圈31、第一齿轮4、止挡件、螺母32、垫圈31、多个弹片33、垫圈31、凹凸轮34、止动凸轮35和垫圈31。 I first rotary shaft 4 from near one end of the first gear set with a washer in turn 31, the first gear 4, stoppers, nut 32, washer 31, multiple shrapnel 33, washer 31, convex wheel 34, the stopper cam 35 and the washer 31. 弹片33会在轴向给凹凸轮34 —个轴向预压力，凹凸轮34的表面为凹凸不平的结构，其对手件止动凸轮35也有与之匹配的凹凸不平的结构。 33 shrapnel to irregularities in the axial wheel 34 - axial pre-pressure, surface irregularities wheel 34 is rugged structure, its rival stopper cam 35 also has rugged structure matching. 一旦产生了转动，这两个原来相互匹配的结构，就会相互挤压干涉并产生扭力。 Once produced the rotation, the two matched the original structure, it will interfere with each other and produce torque squeeze. 该部分的结构以及扭力产生的原理与现有技术相同，在此不再赘述。 Structure and principles of the torque produced by the same part of the prior art, are not discussed here.
 继续结合图1至图3，第一本体承架29和第二侧板26相对设置，第一本体承架29和第二侧板26上均开设有相对应的第二通孔36 (第一本体承架29的第二通孔36由于遮挡而未示出，第二侧板26上的第二通孔36参见图10)，第二转轴3的一端穿过第一本体承架29和第二侧板26的第二通孔36，另一端穿过第二本体承架30。  Continue to Fig. 3 in conjunction with Figure 1, the first body rack 29 and the second side plate 26 disposed opposite the first rack are opened on the main body 29 and the second side plate 26 has a second through-hole corresponding to the 36 (The first rack body 36 of the second through hole 29 are not shown due to occlusion, the second through hole 36 on the second side plate 26 see Figure 10), one end of the second rotary shaft 3 passes through the first body rack The second through-hole 29 and the second side 26 of 36, the other end of the rack 30 through the second body. 第二转轴3能够相对本体承架和第二侧板26转动，扬声器本体2固定于第二转轴3位于第二侧板26和第二本体承架30之间的部分。 The second shaft 3 can rack relative to the body and a second side panel 26 rotates, speaker body 2 is fixed to the second shaft 3 is located in part of the second side plate 26 and the second body 30 between rack. 实际上是使第二转轴3穿过扬声器本体2并与其固定，以便在第二转轴3转动时带动扬声器本体2 —起转动。 It is actually the second shaft 3 through the speaker body 2 and fixed thereto so as to drive the rotation of the second shaft 3 speaker body 2 - starting rotation. 第二齿轮5位于本体承架和第二侧板26之间，扭簧位于第二齿轮5和第一本体承架29之间。 The second body rack gear 5 is located between the 26 and the second side, the torsion spring is located between the second gear rack 5 and the first body 29.
 如图3所示，扬声器本体2朝向第二侧板26的一侧具有突出于其本体的第二导向部37，如图10所示，并结合图11，第二侧板26上开设有弧形的导向槽38，在扬声器本体2转动时，第二导向部37在导向槽38内滑动，从而增加扬声器本体2转动时的稳定性。  shown, the side of the speaker main body 2 toward the second side plate 26 has a second guide body thereof projecting portion 37 in FIG. 3, shown in Figure 10, in conjunction with FIG. 11, the second side plate 26 creation of a curved guide groove 38, when the speaker body 2 is rotated, the second guide section 37 slides in the guide groove 38, thereby increasing the stability of the body 2 when rotating speaker.
 如图9所示，本发明的笔记本电脑的系统端300朝向显示端200的表面上具有用于容置扬声器本体100的容置槽(由于被扬声器本体100遮挡而未示出)。  As shown in Figure 9, the laptop system of the present invention, the end 300 toward the display main body having a speaker for receiving housing groove (speaker body 100 due to being obscured but not shown) of the upper surface 100 of the end 200. 继续结合图2或图3，扬声器本体2具有顶面和侧面，出音孔9开设在其侧面上，当显示端200转动至与系统端300之间的夹角为O度时，扬声器本体2完全容置于容置槽内，且扬声器本体2的顶面不突出于系统端300朝向显示端200的表面。 Continue in conjunction with FIG. 2 or 3, the speaker body 2 has a top surface and side, the sound hole 9 opened on its side, while the display side and the system side 200 is rotated to the angle between the O 300 degrees, the speaker body 2 completely accommodated in the accommodating groove and the top surface of the body 2 speaker system does not protrude toward the display surface side end 300 200. 本实施例中翻转扬声器100为两个，两个翻转扬声器100对称设置在系统端300朝向显示端200的转动侧的两端。 In this embodiment two inverted speaker 100, the two flip speaker 100 disposed symmetrically at both ends of the rotation-side end 200 of the display 300 toward the system side.
 下面结合附图对本发明的翻转扬声器以及笔记本电脑的转动过程以及工作原理进行介绍。  the following with reference to flip the speaker of the present invention and the rotation process and the principle of laptops introduced.
 首先需要说明的是，实际上扬声器本体2的预定角度可以为任意角度，但考虑到实用性和必要性，本实施例中仅以预定角度在O〜90度(例如60度)范围内为例进行说明。  first need to explain that, in fact predetermined angle speaker body 2 may be any angle, but taking into account the practicality and necessity, for example, in O~90 degree (for example, 60 degrees) only a predetermined angle range of the present embodiment within example.
 如图11所示，当显示端200处于O度时，扬声器本体2位于系统端300的容置槽内，按压部11与开关10接触，使扬声器本体2处于禁声状态，第一齿轮4右侧(所谓右侧，是指图中的右侧，以下同)的齿与第一齿部7上的右侧的齿处于啮合状态；第二齿轮5右侧的齿与第二齿部8上的右侧的齿处于啮合状态；而左侧均处于未啮合状态，随着显示端200的转动，带动第一齿轮4转动并驱动齿条6朝向第二齿轮6 (或扬声器本体2)的方向移动，齿条6在移动的过程中带动第二齿轮5转动，使扬声器本体2转动随之转动，扬声器本体2上的出音孔9露出，并且齿条6上的按压部11脱离开关10，扬声器本体2由禁声状态切换至允许发声状态。  11, when the display terminal 200 is O degrees, speaker body system side in FIG. 2 is receiving slot 10 contacts the pressing portion 11 of the switch 300, the speaker sound body 2 in the state ban, first gear 4 on the right (the so-called right-hand, refers to the right side in the figure, hereinafter the same) of the teeth 7 on the right side of the teeth of the first gear portion in engagement; 5 to the right of the second gear teeth and second teeth 8 teeth on the right side portion in engagement; and on the left are not engaged in the state, with the rotation of the end 200 of the display, rotation of the first drive gear 4 and drive towards the second gear rack 6 6 (or speaker body 2 ) The direction, the rack 6 drive in the process of moving the second gear 5 rotates, the speaker will rotate the body 2 is rotated, the sound hole 2 on the speaker body 9 is exposed, and the pressing portion 11 of the rack 6 from switch 10, the speaker body 2 is switched from the state to allow sound gag status. 扬声器本体2最后转动至如图12所示的状态。 The last speaker body 2 is rotated to the state shown in FIG. 12. 在该转动过程中扭簧释放积蓄的扭力(如何积蓄扭力将在下面介绍)。 In this release accumulated during the rotation of the torsion spring torque (torque how savings will be described below).
 当扬声器本体2转动至预定角度60度时，由于第一齿轮4上仅设置局部齿，该齿已脱离与齿条6的啮合，继续转动显示端200时将不再驱动齿条6移动，使得第二齿轮5也不再被驱动，扬声器本体2便保持在预定角度不动。  When the speaker body 2 is rotated to a predetermined angle of 60 degrees, since the first gear is provided only partial teeth 4, which has been out of engagement with the rack teeth 6, continue to rotate the display side 200 will no longer drive rack 6 mobile, so that the second gear 5 is no longer driven, speaker body 2 is maintained at a predetermined angle does not move. 如图13所示，显示端200可转动至需要的任何工作角度(如150度)。 As shown in Figure 13, display terminal 200 may be rotated to any desired working angle (e.g. 150 degrees).
 在上述状态下，如果关闭显示端200，当显示端200关闭至60度时，第一齿轮4上的齿又与第一齿部7相嗤合，并带动齿条6和第二齿轮5动作，实现第二齿轮5和扬声器本体2的转动，实现扬声器本体2的关闭。  Under these conditions, if you turn off the display terminal 200, when the display terminal 200 close to 60 degrees, the teeth 4 on the first gear and the first gear unit 7 with laugh together, and promote the rack 6 and the second gear 5 actions to achieve the second gear 5 and the speaker body rotation 2, to achieve speaker body closed 2. 在此过程中，扭簧积蓄扭力。 In this process, the torsion torque savings.
 当显示端200处于工作角度，而使用者只想关闭扬声器，如图14和图15所示，只需按压并翻转扬声器本体2，使扬声器本体2处于小于O度的某一角度，例如负5度(此过程，扭簧积蓄扭力)，第二齿轮5在扬声器本体2的带动下反向转动并驱动齿条6向第一齿轮4的方向移动，齿条6上的按压部11触碰开关10，同时止挡件卡入齿条6的止挡槽17内，挡住齿条6，使其不能继续移动，从而实现了显示端200处于工作角度时，能够单独关闭扬声器本体2，使其处于禁声状态。  When the display terminal 200 is in the working angle, and the user just off the speaker, as shown in Figure 14 and Figure 15, simply press and flip the speaker body 2, the speaker body 2 is smaller than O degrees at an angle, For example minus 5 degrees (this process, the torsion spring torque savings), the reverse rotation of the second gear 5 and driving the rack 6 is moved in the direction of the first gear 4 is driven by the speaker main body 2, the pressing portion 11 on the rack 6 Touch switch 10, while the card into the rack and the stopper member 6 of the stopper groove 17, blocking the rack 6, it can not continue to move, in order to achieve the display 200 when in the operating angle end, the speaker main body 2 can be turned off separately, it is the sound state ban.
 在图14所示的状态下，如果使用者想关闭显示端200，在最初的转动过程中，由于第一齿轮4与第一齿部7不啮合，显示端200的转动不会引起齿条6的任何动作，如图16和图17所示，当显示端200转动至5度时，第一齿轮4上的推抵部13转动至止挡片15处，并随着第一齿轮4的转动推抵止挡片15，使其脱离止挡槽17，解除对齿条6的止挡。  In the state shown in FIG. 14, if the end user wants to turn off the display 200, the initial rotation, since the first gear 4 and the first tooth portion 7 is not engaged, the display 200 does not cause rotation of the end Any action of the rack 6, 16 and 17, when the display terminal 200 to 5 degrees of rotation, pushing against the portion 4 of the first gear 13 is rotated to the stopper piece 15, and with the first gear 4. Push the rotation against the stopper plate 15, away from the stopper grooves 17, the lifting of the stopper on the rack 6. 扭簧释放扭力，在扭簧的扭力作用下，第二齿轮8反向转动，齿条6则在第二齿轮8的带动下朝向第二齿轮8的方向运动，当运动到扬声器本体2处于O度时，齿条6被第一齿轮4上的齿挡住并限位而恢复至图11所示的初始状态。 Torsion spring release torque at the torsion of the torsion spring, and the second gear 8 reverse rotation, the rack 6 toward the direction of movement of the second gear 8 is driven by the second gear 8, when the motion to the speaker body 2 in O When the degree of the rack teeth 4 6 is blocked on the first gear and the stopper 11 and returned to the initial state shown in FIG.
 以上实施例仅为本发明的示例性实施例，不用于限制本发明，本发明的保护范围由权利要求书限定。 Examples of the present invention is only an exemplary embodiment of the  the above embodiments, the present invention is not intended to limit the scope of protection of the invention defined by the claims. 本领域技术人员可以在本发明的实质和保护范围内，对本发明做出各种修改或等同替换，这种修改或等同替换也应视为落在本发明的保护范围内。 Skilled in the art may be within the spirit and scope of the present invention, various modifications of the present invention or equivalents, such modifications or equivalents should also be regarded as falling within the scope of the present invention.
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