CN104157487A - Electric tool switch - Google Patents
Electric tool switch Download PDFInfo
- Publication number
- CN104157487A CN104157487A CN201410363979.9A CN201410363979A CN104157487A CN 104157487 A CN104157487 A CN 104157487A CN 201410363979 A CN201410363979 A CN 201410363979A CN 104157487 A CN104157487 A CN 104157487A
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- CN
- China
- Prior art keywords
- handle
- push rod
- slide bar
- lock
- electric tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Push-Button Switches (AREA)
Abstract
The invention discloses an electric tool switch which comprises a shell body, a slide bar and a handle, wherein the handle is connected onto the slide bar; a feeler lever is mounted on the slide bar; a stationary contact and a movable contact piece are arranged in the shell body; the slide bar is mounted in the shell body in a sliding manner; the electric tool switch is characterized in that an accommodating cavity is formed in the handle; a hole site is formed in the shell body; a push rod penetrates through the hole site and is connected with the lower end part of a locking piece; the upper end part of the locking piece is positioned in the accommodating cavity; a locking groove is formed in one side wall of the locking piece; the body part of the handle is positioned above the locking groove; a pressing part is arranged on the push rod; a spring positioned between the pressing part and the shell body sleeves the push rod. According to the structure of the electric tool switch, when an operator operates an electric tool, only when the push rod is pressed first to push the locking piece, so that the locking piece is positioned completely in the cavity of the handle, the handle can be pressed to push the slide bar and the switch is further switched on, as a result, the defect that children can turn on the switch to start the electric tool by pressing the handle randomly is avoided and the safety of the electric tool in operation is ensured.
Description
Technical field
The present invention relates to a kind of improvement invention of mains switch, the switch that refers more particularly to electric tool improves.
Background technology
Electric tool switch is a kind of mains switch, for electric tool as the special switch on the instruments such as drilling machine, electric drill, electric hammer.For the insecurity that prevents that misoperation from bringing, drag hook key is generally set on switch knob and reaches anti-self locking function, while using this structure, need to hook and draw backward with hand, it is very inconvenient to use.Thereby, those skilled in the art has invented a kind of switch preventing self-lock gear of electric tools, its concrete structure is as follows: on the housing of switch, be provided with lock platform, switch knob is provided with movably push button of horizontal direction, stretch out outside switch knob the rear end of push button, front end is provided with and locks the lock top that platform matches, and between the front end of push button and switch knob, is provided with holddown spring.During its work, under the effect of holddown spring, push button moves backward, and now the lock contact of push button is firmly locked platform, switch knob can not move downward, switch is in the lock state, and during use, promotes forward push button, push button drives locking to travel forward, now the lock of push button top is staggered with lock platform, and switch knob can freely move downward, and switch is in released state.The structure of this anti-self-locking mechanism is comparatively complicated, and lock top and lock platform be in long-term contact, the easily damage of lock top.Another one self-locking mechanism can be switched on after depress switch for a long time in order to make, so a push rod is set in switch case, a groove mating with push rod is set on slide bar, handle is depressed after turn-on power, and push rod is pressed into, and makes push rod insert the groove on slide bar, slide bar is locked, make it in conducting state, but the switch of this structure is very dangerous, and while wanting power-off, also to click again push rod, make it depart from slide bar, then slide bar ability return power-off, operation also comparatively bothers.
Summary of the invention
In view of the deficiency that background technology exists, the technical problem to be solved in the present invention is to provide a kind of electric tool switch of handling safety simple in structure.
For this reason, the present invention adopts following technical scheme to realize: a kind of electric tool switch comprises housing, slide bar, handle, described handle is connected on slide bar, on described slide bar, feeler lever is installed, in described housing, be provided with fixed contact and movable contact spring, described slide bar is slidably arranged in housing, it is characterized in that thering is cavity volume on described handle, described housing is provided with position, hole, one push rod passes position, described hole and connects the bottom of lock banking stop, the upper-end part of driving of described lock banking stop is in described cavity volume, the sidewall of described lock banking stop has lock groove, the body part of described handle is positioned at the top of described lock groove, on described push rod, there is press section, on described push rod, cover has spring, described spring is between described press section and described housing.
Described push rod is connected with the bottom of described lock banking stop by brace, the end of described push rod is provided with circumferential groove, on described brace, there is notched stopper slot, the thickness of described brace mates with described circumferential groove, described push rod is placed in described stopper slot by circumferential groove, makes brace be placed in described circumferential groove, on described brace, has grab, the bottom of described lock banking stop is provided with groove, and described grab is stuck in described groove.
The sidewall on described handle with cavity part has one with the lock part on inclined-plane, makes the thickness of Thickness Ratio handle body of lock part little.
This structure of the present invention is used on electric tool, when not using, due to the effect of spring, pull lock banking stop in heeling condition, while pressing handle, the lock part of the cavity part body of handle is just blocked by the lock groove on lock banking stop, makes the slide bar can not be descending, thereby switch is in the lock state always, thereby fabulous prevented the insecurity that misoperation brings, and its structure is very simple, and operation is very easy, be applied on electric tool, there is good result of use.
Accompanying drawing explanation
Further describe by reference to the accompanying drawings again details of the present invention below.
Fig. 1 is structure chart of the present invention;
Fig. 2 is the structure chart of slide bar of the present invention in lockup state;
Fig. 3 is the structure chart of push rod of the present invention;
Fig. 4 is the structure chart of brace of the present invention;
Fig. 5 is the structure chart after brace of the present invention is connected with push rod;
Fig. 6 is the structure chart of lock banking stop of the present invention;
Fig. 7 is the structure chart after lock banking stop of the present invention, brace are connected with push rod.
Embodiment
With reference to accompanying drawing, this electric tool switch, comprises housing 1, slide bar 6, handle 7, described handle 7 is connected on slide bar 6, on described slide bar 6, feeler lever 5 is installed, and is provided with fixed contact 4 and movable contact spring 3 in described housing 1, described slide bar 6 is slidably arranged in housing 1, when slide bar 6 moves down, with feeler lever 5, move, feeler lever 5 presses to after movable contact spring 3, make movable contact spring 3 near fixed contact 4, after feeler lever 5 moves down and puts in place, movable contact spring 3 contacts with fixed contact 4, makes switch in conducting state.On described handle 7, there is cavity volume 8, described 1 is provided with position, hole (not marking in figure), one push rod 12 passes position, described hole and is connected with the bottom of lock banking stop 11, the upper-end part of driving of described lock banking stop 11 is in described cavity volume 8, sidewall on described lock banking stop 11 has lock groove 10, and described handle 7 bodies are positioned at the top of lock groove 10, on described push rod 12, has press section 14, on described push rod 12, cover has spring 13, and described spring 13 is between described press section 14 and described housing 1.When switch is not when using state, elastic force effect due to spring 13, to move laterally with push rod 12, thereby move with the lower end of lock banking stop 11, the cavity volume that is arranged in handle 78 that lock banking stop 11 is tilted, when depressing handle 7, handle 7 bodies are just blocked by the lock groove 10 on lock banking stop 11, thereby slide bar 6 just can not be descending, make the electric tool switch can not conducting, in self-locking state; The electric tool switch of this structure, has effectively prevented the insecurity that misoperation brings, and especially for children, has good preventive effect.During work, pin the press section 14 on push rod 12, promote push rod 12, push rod 12 moves inward with the bottom of lock banking stop 11, makes lock banking stop 11 in vertical state, now, depress handle 7, handle 7 bodies just can not stopped by the lock groove 10 on lock banking stop 11, descending with slide bar 6, with actuating switch, in released state.During release handle 7, due to the effect of Compress Spring 2, after reset, will be up with slide bar 6 and handle 7, after up putting in place, the reset of the spring 13 of its push rod 12, makes again lock banking stop 11 in heeling condition, again in self-locking state.
Described push rod 12 is connected with the bottom of described lock banking stop 11 by brace 16, the end of described push rod 12 is provided with circumferential groove 15, on described brace 16, there is notched stopper slot 17, the thickness of described brace 16 mates with described circumferential groove 15, described push rod 12 is placed in described stopper slot 17 by circumferential groove 15, make brace 16 be placed in described circumferential groove 15, on described brace 16, there is L shaped grab 18, the bottom of described lock banking stop 11 is provided with groove 19, and described L shaped grab 18 is stuck in described groove 19.The connected mode of this structure, as long as brace 16 is inserted in the circumferential groove 15 of push rod 12 by stopper slot 17, then hooks L shaped grab 18 in the groove 19 on lock banking stop, and its assembling is very simple and convenient.
The sidewall on described handle 9 with cavity 8 parts has one with the lock part 9 on inclined-plane, make the thickness of Thickness Ratio handle 7 bodies of lock part 9 little, make like this that this lock part 9 is easier to be blocked by lock groove 10, while pressing handle 7, can not make handle 7 bodies skid off from lock groove 10.
Claims (3)
1. an electric tool switch, comprise housing, slide bar, handle, described handle is connected on slide bar, on described slide bar, feeler lever is installed, in described housing, be provided with fixed contact and movable contact spring, described slide bar is slidably arranged in housing, it is characterized in that thering is cavity volume on described handle, described housing is provided with position, hole, one push rod passes position, described hole and connects the bottom of lock banking stop, the upper-end part of driving of described lock banking stop is in described cavity volume, the sidewall of described lock banking stop has lock groove, the body part of described handle is positioned at the top of described lock groove, on described push rod, there is press section, on described push rod, cover has spring, described spring is between described press section and described housing.
2. electric tool switch according to claim 1, it is characterized in that described push rod is connected with the bottom of described lock banking stop by brace, the end of described push rod is provided with circumferential groove, on described brace, there is notched stopper slot, the thickness of described brace mates with described circumferential groove, described push rod is placed in described stopper slot by circumferential groove, make brace be placed in described circumferential groove, on described brace, there is grab, the bottom of described lock banking stop is provided with groove, and described grab is stuck in described groove.
3. electric tool switch according to claim 1, is characterized in that the sidewall on described handle with cavity part has one with the lock part on inclined-plane, makes the thickness of Thickness Ratio handle body of lock part little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363979.9A CN104157487B (en) | 2014-07-29 | 2014-07-29 | Electric tool switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363979.9A CN104157487B (en) | 2014-07-29 | 2014-07-29 | Electric tool switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104157487A true CN104157487A (en) | 2014-11-19 |
| CN104157487B CN104157487B (en) | 2016-03-09 |
Family
ID=51882964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363979.9A Expired - Fee Related CN104157487B (en) | 2014-07-29 | 2014-07-29 | Electric tool switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104157487B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928889A (en) * | 2016-04-29 | 2016-09-07 | 合肥华凌股份有限公司 | Refrigerator and food nutrient real-time detection method for refrigerator |
| CN108346531A (en) * | 2018-04-10 | 2018-07-31 | 瑞安市华通器具开关有限公司 | A kind of tool switch with gesture identification function |
| CN109676189A (en) * | 2019-03-01 | 2019-04-26 | 宿州学院 | A kind of cutting equipment for circular pipe |
| CN110014355A (en) * | 2019-04-23 | 2019-07-16 | 常州市英杰工具有限公司 | Wax-polishing machine |
| CN110014355B (en) * | 2019-04-23 | 2024-04-26 | 常州市英杰工具有限公司 | Waxing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242514Y (en) * | 1995-05-06 | 1996-12-11 | 宁波无线电四厂 | Electronic speed adjusting switch for electric tools |
| CN2560082Y (en) * | 2002-06-26 | 2003-07-09 | 长春北虎电器有限责任公司 | Special switch for electric tool |
| US20080314721A1 (en) * | 2007-03-28 | 2008-12-25 | Omron Corporation | Trigger switch |
| CN201242950Y (en) * | 2008-06-21 | 2009-05-20 | 浙江华丰电动工具有限公司 | Switch push button of electric tool capable of being locked with shutdown |
| US20090139849A1 (en) * | 2007-11-30 | 2009-06-04 | Satori S-Tech Co., Ltd | Trigger Switch |
-
2014
- 2014-07-29 CN CN201410363979.9A patent/CN104157487B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242514Y (en) * | 1995-05-06 | 1996-12-11 | 宁波无线电四厂 | Electronic speed adjusting switch for electric tools |
| CN2560082Y (en) * | 2002-06-26 | 2003-07-09 | 长春北虎电器有限责任公司 | Special switch for electric tool |
| US20080314721A1 (en) * | 2007-03-28 | 2008-12-25 | Omron Corporation | Trigger switch |
| US20090139849A1 (en) * | 2007-11-30 | 2009-06-04 | Satori S-Tech Co., Ltd | Trigger Switch |
| CN201242950Y (en) * | 2008-06-21 | 2009-05-20 | 浙江华丰电动工具有限公司 | Switch push button of electric tool capable of being locked with shutdown |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928889A (en) * | 2016-04-29 | 2016-09-07 | 合肥华凌股份有限公司 | Refrigerator and food nutrient real-time detection method for refrigerator |
| CN108346531A (en) * | 2018-04-10 | 2018-07-31 | 瑞安市华通器具开关有限公司 | A kind of tool switch with gesture identification function |
| CN109676189A (en) * | 2019-03-01 | 2019-04-26 | 宿州学院 | A kind of cutting equipment for circular pipe |
| CN110014355A (en) * | 2019-04-23 | 2019-07-16 | 常州市英杰工具有限公司 | Wax-polishing machine |
| CN110014355B (en) * | 2019-04-23 | 2024-04-26 | 常州市英杰工具有限公司 | Waxing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104157487B (en) | 2016-03-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20210729 |