CN100416153C - 用于支承光学或摄影装置的三角架 - Google Patents

用于支承光学或摄影装置的三角架 Download PDF

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CN100416153C
CN100416153C CNB02828674XA CN02828674A CN100416153C CN 100416153 C CN100416153 C CN 100416153C CN B02828674X A CNB02828674X A CN B02828674XA CN 02828674 A CN02828674 A CN 02828674A CN 100416153 C CN100416153 C CN 100416153C
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ball
tripod
support
sleeve
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CN1623060A (zh
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G·雷诺
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Linuomanfruotuo S P A
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/32Undercarriages for supports with three or more telescoping legs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2007Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2035Undercarriages with or without wheels comprising means allowing pivoting adjustment in more than one direction
    • F16M11/2078Undercarriages with or without wheels comprising means allowing pivoting adjustment in more than one direction with ball-joint
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00Details of stands or supports
    • F16M2200/02Locking means
    • F16M2200/021Locking means for rotational movement
    • F16M2200/022Locking means for rotational movement by friction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00Details of stands or supports
    • F16M2200/02Locking means
    • F16M2200/025Locking means for translational movement
    • F16M2200/027Locking means for translational movement by friction

Abstract

描述了一种用于支承一般及特别是光学或摄影装置等的三角架(1),并且上述三角架包括一个支架(3),在上述支架中多个支腿(2)会聚一起,用来接收装置的支柱(12)和支柱(12)具有设置在支架的座(4)中的柄杆(11),上述座贯穿形成在支架中关节式接头(22)的枢轴式可调元件(21)。

Description

用于支承光学或摄影装置的三角架
技术领域
本发明的主题是用于支承一般及特别是光学或摄像装置等的三角架,包括多个支腿汇聚于其上的支架、和用于接纳光学或摄影装置并具有设置在支架的座内的柄杆的支柱。在下文中,术语三角架被用于广泛的方面来表示具有会聚在支架中的三个或更多支腿的结构,在上述支架上设置有支承上述装置的可调节高度的支柱。
技术背景
包含有上述特性的三角架被广泛用在摄影和电影摄像的领域用于可定向地支承照相机。在此领域中,出现对机架或三角架以安装于其上的支柱定位和能够使安装在上述支柱上的装置围绕其自身轴线定向的需要。这种需要典型地出现在所谓的全景拍摄中。
在这种情况下,有必要小心地定位三角架以便装置产生旋转直到限定在希望的水平度状态下。也已知电影摄像的三角架及机架,其中为了避免水平度需要,使用具有可定向的平台的支承,在上述支承上,用于支承光学或摄像装置的头也安装于其上。然而,这些支承没有可滑动的中心支柱,这很显然限制了装置的水平度需要调节。
具有以上概述的特点的三角架在专利DE 3134910和DE 2307826中公开。
发明内容
本发明的主要目的是提供一种支承,上述支承在结构上和功能上设计成克服先有技术所讨论的所有缺点。
在这个目标范围中,本发明的一个重要目的是提供一种容易调节的支承。
具有这些和其它目的的目标可以通过根据本发明各技术方案形成的支承实现。
本发明提供一种用于支承光学或摄影装置的三角架,包括多个支腿汇聚于其上的支架和用于接纳上述装置并具有设置在支架的座内的柄杆的支柱,上述支柱在座中以可调节的方式可以轴向滑动,且上述座贯穿形成在支架内的球和球窝类型的关节式接头的可定向元件,上述接头包括设置在腔内的球,上述三角架还包括旋转塞头,用来在希望的方位锁定上述球,其特征在于上述三角架包括:第一圆环螺母,其独立于上述旋转塞头,以将上述球可枢转地限定在腔内;及设置在上述座中的套筒和用于将上述套筒夹紧到支柱上以防止其轴向滑动的夹紧装置。
在上述三角架中,套筒在其至少一个轴向端的区域内可径向收缩,夹紧装置设于可定向元件上并且夹紧装置操作的结果可以将套筒在至少一端的区域内径向夹紧。
在上述三角架中,夹紧装置包括第二圆环螺母,上述第二圆环螺母通过螺纹接合在牢固固定在球上的具有螺纹的卡圈上,在第二圆环螺母内形成锥形表面,上述锥形表面作用于套筒的面对的端上以便通过将第二圆环螺母拧到卡圈上来施加夹紧力。
在上述三角架中,夹紧装置包括形成在远离卡圈端部处的座上并且作用于套筒的相对端上的第二锥形表面,上述相对端也可以径向收缩。
在上述三角架中,球设置在支架的腔内,介于两个面对的邻接表面之间。
附图说明
通过没有限制的例子描述,本发明的特性和优点从优选实施例的详细描述中可以更清楚,参考附图,其中:
图1是按照本发明的一个三角架的透视图;
图2以放大的比例示出图1的详细视图,其一半是纵截面。
具体实施方式
在附图中,一般用1表示的用于摄影和/或电影摄像用途的三角架具有都汇聚在支架3中的多条支腿2,三角架的座4设置支柱12的柄杆11的方式便于柄杆11可以在轴线方向滑动并且可以锁定在可调节的位置上。
柄杆11具有横截面为圆形的管状结构并在它的一端上带有用于固定希望的装置的平台13。突起14可以选择地形成在相对端上用于防止支柱12偶然地从座4中滑出。
支架3具有一个通腔15,在上述通腔内有锥形表面16和其一部分具有螺纹18的圆柱形部分17。圆环螺母19也具有朝向表面16的圆锥表面20,圆环螺母19拧进螺纹18中以便可枢转地限定球21在腔15中。分别具有锥形表面的球21和腔15构成一个球和球窝接头,总体用22表示,其中球21是可定向的元件。
球21通过旋转塞头24可以锁定在希望的方向上,其柄杆被拧入在支架3中具有螺纹的径向孔。
座4形成在球21中,与从球21伸出、具有外部螺纹的卡圈21a同轴。安装并限定在座4中的圆筒形套筒25在其纵向的相对端上具有槽26用于为套筒提供径向可收缩性。支柱12的柄杆11固定在套筒25中,并可以用夹紧装置相对于球21锁定,上述夹紧装置包括并排设置的锥形表面27,28,锥形表面27,28分别形成在座4中并且在圆环螺母29内处于面对位置,其中圆环螺母29可以拧到卡圈21a上。将圆环螺母29拧到卡圈21a使锥形表面27,28彼此相对移动,结果使套筒25的相对端径向压紧,并将其压紧在支柱12的柄杆11上。套筒15也轴向限定在座4内。
一旦三角架1被定位并且支架3通过定位支腿2被大约保持水平,旋塞24被松开以便以希望的方式定位支柱12和球21。为了使平台13水平,支柱的定位可以通过在平台13上的水平仪(未示出)的帮助。拧紧旋塞锁定球21相对支架3的枢转。在使支柱12水平之前或之后,支柱12的高度通过松开圆环螺母29调节,以便松开支柱用于其在座4中轴向滑动。当达到了希望的调节,拧紧圆形螺母29以便再次在球中锁定滑动的支柱。需要指出的是,因为通过改变支柱相对于支架的轴线位置得到水平,所以甚至在随后的支柱垂直调节期间也可以保持水平。
上述的发明可以获得很多优点,其中下列的是最重要的:
-装置可以依靠中心支柱简单的操作,而不是三角架的三条伸缩式支腿,更快置于水平。
-装置依靠中心支柱可以垂直滑动和旋转而保留了大的定位自由度。
-装置依靠在支架中的可定向的接头的定位保留了优异的稳定性,其中在支架中的可定向的接头的定位保证了装置的重心和支架垂直对齐。

Claims (5)

1. 用于支承光学或摄影装置的三角架,包括多个支腿(2)汇聚于其上的支架(3)和用于接纳上述装置并具有设置在支架的座(4)内的柄杆(11)的支柱(12),上述支柱(12)在座中以可调节的方式可以轴向滑动,且上述座贯穿形成在支架内的球和球窝类型的关节式接头(22)的可定向元件(21),上述接头(22)包括设置在腔(15)内的球(21),上述三角架还包括旋转塞头(24)用来在希望的方位锁定上述球(21),其特征在于上述三角架包括:
--第一圆环螺母(19),其独立于上述旋转塞头(24),以将上述球(21)可枢转地限定在腔(15)内;及
--设置在上述座中的套筒(25)和用于将上述套筒(25)夹紧到支柱(12)上以防止其轴向滑动的夹紧装置(27,28,29)。
2. 按照权利要求1所述的三角架,其中套筒(25)在其至少一个轴向端的区域内可径向收缩,夹紧装置(27,28,29)设于可定向元件(21)上并且夹紧装置操作的结果可以将套筒在至少一端的区域内径向夹紧。
3. 按照权利要求1所述的三角架,其中夹紧装置包括第二圆环螺母(29),上述第二圆环螺母通过螺纹接合在牢固固定在球(21)上的具有螺纹的卡圈上,在第二圆环螺母(29)内形成锥形表面(28),上述锥形表面作用于套筒(25)的面对的端上以便通过将第二圆环螺母拧到卡圈上来施加夹紧力。
4. 按照权利要求1所述的三角架,其中夹紧装置包括形成在远离卡圈(21a)端部处的座(4)上并且作用于套筒的相对端上的第二锥形表面(27),上述相对端也可以径向收缩。
5. 按照权利要求1所述的三角架,其中球(21)设置在支架(3)的腔(15)内,介于两个面对的邻接表面(16,20)之间。
CNB02828674XA 2002-03-28 2002-03-28 用于支承光学或摄影装置的三角架 Expired - Lifetime CN100416153C (zh)

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PCT/IT2002/000201 WO2003083350A1 (en) 2002-03-28 2002-03-28 A tripod for the support of apparatus in general and, in particular, of optical or photographic apparatus and the like

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CN1623060A CN1623060A (zh) 2005-06-01
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EP (1) EP1488164B1 (zh)
JP (1) JP4081019B2 (zh)
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AU (1) AU2002253539A1 (zh)
DE (1) DE60211032T2 (zh)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893156A (zh) * 2009-11-11 2010-11-24 吉多思实业(深圳)有限公司 摄影三角架

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DE60211032T2 (de) 2006-09-21
EP1488164A1 (en) 2004-12-22
JP2005521843A (ja) 2005-07-21
DE60211032D1 (de) 2006-06-01
EP1488164B1 (en) 2006-04-26
CN1623060A (zh) 2005-06-01
AU2002253539A1 (en) 2003-10-13
US20050082444A1 (en) 2005-04-21
US6983916B2 (en) 2006-01-10
JP4081019B2 (ja) 2008-04-23

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