WO2018040889A1 - 一种光学元件的旋转装置及具有其的舞台灯光学装置 - Google Patents

一种光学元件的旋转装置及具有其的舞台灯光学装置 Download PDF

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Publication number
WO2018040889A1
WO2018040889A1 PCT/CN2017/097002 CN2017097002W WO2018040889A1 WO 2018040889 A1 WO2018040889 A1 WO 2018040889A1 CN 2017097002 W CN2017097002 W CN 2017097002W WO 2018040889 A1 WO2018040889 A1 WO 2018040889A1
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Prior art keywords
ball
groove
rotating device
cover
optical element
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PCT/CN2017/097002
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English (en)
French (fr)
Inventor
蒋伟楷
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广州市浩洋电子股份有限公司
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Publication of WO2018040889A1 publication Critical patent/WO2018040889A1/zh
Priority to US16/263,792 priority Critical patent/US11067817B2/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/003—Alignment of optical elements
    • G02B7/004—Manual alignment, e.g. micromanipulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/007—Lighting devices or systems producing a varying lighting effect using rotating transparent or colored disks, e.g. gobo wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/027—Mountings, adjusting means, or light-tight connections, for optical elements for lenses the lens being in the form of a sphere or ball
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
    • G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels

Definitions

  • the present invention relates to the field of stage lamp technology, and more particularly to a rotating device for an optical component and a stage lamp optical device having the same.
  • optical components such as pattern sheets, prism sheets, etc.
  • these optical elements usually need to have a rotation function, and therefore, optical A ball bearing component is usually disposed in the component device. Since the temperature of the optical component on the stage lamp is relatively high, the temperature of the ball groove rises, which causes the ball to expand and contract.
  • the ball bearing component in the optical component device adopts the ball bearing of the conventional technology, and the ball and the ball groove are closely matched, and there is no space for elastic adjustment, so when the ball is in thermal expansion and contraction, the ball is ball. It will be stuck tightly, so the optical component will become stuck when it rotates, and the movement will not be smooth, which will affect the use of the stage light.
  • the present invention provides a rotating device and a stage lamp having the same that overcomes at least one of the above-described drawbacks of the prior art.
  • the invention has the advantages of simple structure and convenient use, and can avoid the stuck phenomenon of the rotating motion of the main body of the stage lamp optical element and affect the use effect of the stage lamp.
  • a rotating device for an optical component comprising: a seat body, a ball holder, a ball, a ball pressure plate, an elastic member and a cover body, and the ball holder is sleeved On the seat body, the ball, the ball pressure plate, the elastic member and the cover body are disposed between the ball holder and the seat body in order from bottom to top, and the cover body is disposed at the uppermost layer to prevent dust and the like from entering. In the space between the ball holder and the seat, to prevent dust and the like from affecting the movement of the ball.
  • the ball When the ball is thermally expanded, the ball applies a force to the ball press plate, and the ball press plate applies a force to the elastic member. At this time, the elastic member is compressed by the ball press plate and the cover body, and the adjustment between the ball and the seat body is performed by the elastic member.
  • the position can be adjusted moderately, so that when the seat body rotates relative to the ball, it will not get too tight, so as to avoid the stuck motion of the rotating body of the seat body and affect the use effect of the components mounted thereon; when the ball is subjected to the ball
  • the elastic element is released elastic force, and the elastic element applies a force to the ball pressure plate, so that the ball pressure plate applies a force to the ball, thereby pressing the ball, but the pressure is not too tight and the rolling jam occurs.
  • a first ball groove is disposed at a position corresponding to the ball on the outer peripheral side wall of the base body.
  • a first arcuate notch is disposed at a position corresponding to the ball on the inner side of the ball retainer, and a second arcuate notch is disposed on the ball press plate at a position corresponding to the ball, the first arc
  • the notch and the second arcuate notch constitute a second ball groove, and the ball is disposed between the first ball groove and the second ball groove.
  • the first ball groove and the second ball groove are matched with the surface of the ball, so that the movement of the ball is restricted in the space formed by the first ball groove and the second ball groove, so that the rotation of the seat relative to the ball More stable.
  • a position of the inner side of the ball holder corresponding to the ball pressing plate and the cover body is respectively provided with a pressing plate groove and a cover groove, and the ball pressing plate is installed in the pressing plate groove of the ball fixing frame, the pressing plate
  • the height of the groove is greater than the height of the ball pressure plate, which is to leave an active space for the ball pressure plate, to prevent the ball from being too tight or too loose when the ball is inflated and contracted, thereby causing the body to be stuck when the body rotates. , or the movement is not smooth, and affects the use of components mounted on the seat.
  • the cover body is embedded in the cover groove of the ball holder.
  • the cover body is provided with a slit, and the cover body has a slight elasticity, so that the slit is opened and the cover body itself has a small Resilient, it can be mounted very easily on the cover groove of the ball cage.
  • the elastic member is disposed between the ball pressing plate and the cover body, and the two sides of the elastic member are respectively in close contact with the ball pressing plate and the cover body.
  • the elastic element adjusts the position between the ball and the seat body by being compressed or released elastic force, so as to avoid the stuck motion of the rotating motion of the seat body and affect the components mounted thereon. The effect of using.
  • the elastic member may be any elastic member such as a resilient washer, a rubber ring, a spring, etc., and is preferably a wave washer in the present invention.
  • the ball press plate, the elastic member and the cover are preferably annular.
  • the present invention also provides a stage lamp optical device, wherein the stage lamp optical device includes an optical element body and the above-described rotating device, and a seat body of the rotating device is disposed on the optical element body.
  • the rotating device By applying the rotating device, it is possible to avoid the occurrence of sticking of the rotating motion of the optical element body and affect the use effect of the stage light.
  • the above-mentioned rotating device is not limited to application to a stage light, but can be applied to any device component that needs to have a rotation function.
  • the optical element body comprises an optical element body and an optical element holder, the optical element body being mounted on the optical element holder.
  • the optical element body is a pattern sheet assembly or a prism sheet assembly in a stage light.
  • the rotating device of the present invention sets the ball pressing plate to be movable, and provides an elastic member between the ball pressing plate and the cover body, so that when the ball is inflated and contracted, the position between the ball and the seat body can be adjusted by the adjustment of the elastic member.
  • Moderate adjustment so that when the seat body rotates relative to the ball, it will not get too tight, nor too loose, avoiding the stuck motion of the rotating motion of the seat or the smooth operation and affecting the use of the components mounted thereon. Effect: When the rotating device of the present invention is applied to the stage lamp optical device, it is possible to prevent the rotational motion of the optical element body provided on the rotating device body from being stuck and affecting the use effect of the stage lamp.
  • Figure 1 is a schematic exploded view of the present invention.
  • Figure 2 is a plan view of the present invention.
  • Figure 3 is a schematic cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a partial enlarged view of B in Figure 3.
  • Figure 5 is a cross-sectional perspective view of A-A of Figure 2;
  • Figure 6 is a cross-sectional view of the ball retainer of the present invention.
  • Figure 7 is a cross-sectional view of the base of the present invention.
  • Figure 8 is a cross-sectional view of the ball presser of the present invention.
  • an optical device rotating device includes a seat body 6, a ball holder 1, a ball 2, a ball pressure plate 3, an elastic member 4, and a cover body 5, and the ball holder 1
  • the ball body 2, the ball pressing plate 3, the elastic member 4 and the cover body 5 are disposed between the ball holder 1 and the seat body 6 in order from bottom to top, and the cover body 5 is disposed on the seat body 6.
  • the uppermost layer prevents dust and the like from entering the space between the ball holder 1 and the seat body 6 to prevent dust or the like from affecting the movement of the balls 2.
  • the balls 2 When the balls 2 are thermally expanded, the balls 2 apply a force to the ball press plates 3, and the ball press plates 3 are directed to the elastic members.
  • the force is applied, at this time, the elastic member 4 is compressed by the ball pressing plate 3 and the cover body 5.
  • the position between the ball 2 and the seat body 6 can be appropriately adjusted, so that the seat body 6 is opposite to the ball 2 When rotating, it will not get too tight, avoiding the occurrence of sticking of the rotating motion of the seat body 6 and affecting the use effect of the components mounted thereon; when the ball 2 is cold-shrinked, the elastic element 4 is released.
  • the elastic force the elastic member 4 applies a force to the ball pressure plate 3, so that the ball pressure plate 3 applies a force to the ball 2, thereby pressing the ball 2, but not too tight and rolling and stagnation, so that the seat body 6 The movement is smooth.
  • a first ball groove 7 is provided at a position corresponding to the ball 2 on the outer peripheral side wall of the seat body 6.
  • a first curved notch 8 is disposed at a position corresponding to the ball 2 on the inner side of the ball holder 1
  • a second curved notch 9 is disposed on the ball pressing plate 3 at a position corresponding to the ball 2
  • An arcuate notch 8 and a second arcuate notch 9 constitute a second ball groove
  • the ball 2 is disposed between the first ball groove 7 and the second ball groove.
  • the first ball groove 7 and the second ball groove are both matched with the surface of the ball 2, so that the movement of the ball 2 is restricted in the space formed by the first ball groove 7 and the second ball groove, so that the seat body 6
  • the rotation relative to the balls 2 is smoother.
  • the inside of the ball holder 1 is respectively provided with a platen groove 10 and a cover groove 11 at positions corresponding to the ball press plate 3 and the cover body 5, and the ball press plate 3 is installed in the same.
  • the height of the platen groove 10 is larger than the height of the ball platen 3, in order to leave an active space for the ball press plate 3, and to prevent the ball 2 from being inflated and contracted when it is stuck. Too tight or too loose, which causes the seat body 6 to become stuck when it rotates, and the movement is not smooth, which affects the use effect of the components mounted on the seat body 6.
  • the cover body 5 is embedded in the cover groove 11 of the ball holder 1, and the cover body 5 is provided with a slit, and the cover body 5 has a slight elasticity, so that the slit and the cover body 5 itself have a small It is elastic and can be mounted very easily on the cover groove 11 of the ball holder 1.
  • the elastic member is disposed between the ball pressing plate 3 and the cover 5, and both side faces of the elastic member 4 are in close contact with the ball pressing plate 3 and the cover 5, respectively.
  • the elastic member 4 moderately adjusts the position between the ball 2 and the seat body 6 by being compressed or released, thereby preventing the rotation of the seat body 6 from becoming stuck and affecting the installation. The effect of the components on it.
  • the elastic member 4 may be any elastic member such as a resilient washer, a rubber ring, a spring or the like, and is a wave washer in this embodiment.
  • the ball pressure plate 3, the elastic member 4, and the cover 5 are annular.
  • a stage lamp optical device wherein the stage lamp comprises an optical element body and the rotating device described in Embodiment 1, and the optical element body is disposed on a seat body 6 of the rotating device.
  • the rotating device By applying the rotating device, it is possible to avoid the occurrence of sticking of the rotating motion of the optical element body and affect the use effect of the stage light.
  • the rotating device described in Embodiment 1 is not limited to application to the stage lamp optical device, but can be applied to any device component that needs to have a rotation function.
  • the optical element body includes an optical element body and an optical element holder, and the optical element body is mounted on the optical element holder.
  • the optical element body is a pattern sheet assembly or a prism sheet assembly in a stage light.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种光学元件的旋转装置及具有其的舞台灯光学装置。一种光学元件的旋转装置，其中，包括座体（6）、滚珠固定架（1）、滚珠（2）、滚珠压板（3）、弹性元件（4）和盖体（5），滚珠固定架（1）套设在座体（6）的外周，滚珠（2）、滚珠压板（3）、弹性元件（4）和盖体（5）从下至上依次设置在滚珠固定架（1）和座体（6）之间；一种舞台灯光学装置，其中，包括光学元件主体和旋转装置，光学元件主体设于旋转装置的座体（6）上。其结构简单，使用方便，可避免出现光学元件主体的旋转运动出现卡滞现象而影响舞台灯的使用效果。

Description

一种光学元件的旋转装置及具有其的舞台灯光学装置 技术领域
本发明涉及舞台灯技术领域，更具体地，涉及一种光学元件的旋转装置及具有其的舞台灯光学装置。
背景技术
在舞台灯光技术领域中，为了实现较多的舞台灯光效果，通常需要使用到各种光学元件，如图案片、棱镜片等，为了丰富演出效果，这些光学元件通常需要具有自转功能，因此，光学元件装置中通常会配置有滚珠轴承部件。由于舞台灯上的光学元件位置温度比较高，因此会引起滚珠槽温度上升，从而引起滚珠出现热胀冷缩的现象。而现有技术中，光学元件装置中的滚珠轴承部件采用的是传统技术的滚珠轴承，滚珠与滚珠槽之间紧密配合，没有弹性调节的空间，故，当滚珠出现热胀冷缩时，滚珠会被卡得比较紧，因此光学元件自转运动时就会出现卡滞现象，运动不顺畅，影响舞台灯的使用效果。
发明内容
本发明为克服上述现有技术所述的至少一种缺陷，提供一种旋转装置及具有其的舞台灯。本发明结构简单，使用方便，可避免舞台灯光学元件主体的旋转运动出现卡滞现象而影响舞台灯的使用效果。
为解决上述技术问题，本发明采用的技术方案是：一种光学元件的旋转装置，其中，包括座体、滚珠固定架、滚珠、滚珠压板、弹性元件和盖体，所述滚珠固定架套设在所述座体上，所述滚珠、滚珠压板、弹性元件和盖体从下至上依次设置在所述滚珠固定架和座体之间，所述盖体设在最上层可以防止灰尘等进入到滚珠固定架和座体之间的空间中，以免灰尘等会影响滚珠的运动。当滚珠受热膨胀时，滚珠则向滚珠压板施加作用力，滚珠压板则向弹性元件施加作用力，此时弹性元件则被滚珠压板与盖体压缩，通过弹性元件的调节，滚珠与座体之间的位置能够适度调节，进而使得座体相对滚珠旋转运动时，不会卡得太紧，以避免座体的旋转运动出现卡滞现象而影响装设在其上的元件的使用效果；当滚珠受冷收缩时，弹性元件则被释放弹力，弹性元件向滚珠压板施加作用力，使得滚珠压板向滚珠施加作用力，进而把滚珠压紧，但又不至于压得太紧而出现滚动卡滞现象， 使得座体的旋转运动顺畅。
进一步的，所述座体的外周侧壁上与所述滚珠对应的位置设有第一滚珠槽。具体地，所述滚珠固定架内侧与所述滚珠对应的位置设有第一弧形缺口，所述滚珠压板上与所述滚珠对应的位置设有第二弧形缺口，所述第一弧形缺口与第二弧形缺口构成第二滚珠槽，所述滚珠设于所述第一滚珠槽与第二滚珠槽之间。第一滚珠槽和第二滚珠槽均与所述滚珠的表面相配合，这样就把滚珠的运动限制在了第一滚珠槽和第二滚珠槽形成的空间中，使得座体相对于滚珠的转动更平稳。
进一步的，所述滚珠固定架内侧与所述滚珠压板以及盖体对应的位置分别设有压板槽和盖体槽，所述滚珠压板装设在所述滚珠固定架的压板槽内，所述压板槽的高度大于所述滚珠压板的高度，这是为了给滚珠压板留出活动空间，避免滚珠热胀冷缩时，被卡得过紧或过松，进而导致座体自转运动时出现卡滞现象，或运动不顺畅，而影响装设在座体上的元件的使用效果。所述盖体嵌设在滚珠固定架的盖体槽上，作为一种优选方案，所述盖体上设有切口，且盖体具有微小弹性，这样通过掰开切口以及盖体本身具有的微小弹性，可非常轻易地将其安装到滚珠固定架的盖体槽上。
进一步的，所述弹性元件设在所述滚珠压板和盖体之间，且弹性元件的两侧面分别与所述滚珠压板和盖体紧贴。这样在滚珠热胀冷缩时，弹性元件通过被压缩或者释放弹力来对滚珠与座体之间的位置进行适度调节，避免座体的旋转运动出现卡滞现象而影响装设在其上的元件的使用效果。
进一步的，所述弹性元件可以是弹性垫圈、橡胶圈、弹簧等任何具有弹性的元件，本发明中优选为波形垫圈。
本发明中，所述滚珠压板、弹性元件和盖体优选为环形。
本发明还提供一种舞台灯光学装置，其中，该舞台灯光学装置包括光学元件主体和上述的旋转装置，所述旋转装置的座体设于所述光学元件主体上。应用了该旋转装置，就可以避免光学元件主体的旋转运动出现卡滞现象而影响舞台灯的使用效果。当然，上述旋转装置不仅限于应用在舞台灯上，还可以应用在任何需要具有自转功能的设备元件上。
进一步的，所述光学元件主体包括光学元件本体和光学元件固定架，所述光学元件本体安装在光学元件固定架上。
进一步的，所述光学元件主体为舞台灯中的图案片组件或棱镜片组件。
与现有技术相比，本发明的有益效果：
本发明的旋转装置将滚珠压板设置为活动的，且在滚珠压板和盖体之间设置弹性元件，这样当滚珠热胀冷缩时，通过弹性元件的调节，滚珠与座体之间的位置能够适度调节，进而使得座体相对滚珠旋转运动时，不会卡得太紧，也不会太松，避免座体的旋转运动出现卡滞现象或者运行不顺畅而影响装设在其上元件的使用效果；将本发明的旋转装置应用在舞台灯光学装置上，就可以避免设在旋转装置座体上的光学元件主体的旋转运动出现卡滞现象而影响舞台灯的使用效果。
附图说明
图1是本发明的爆炸示意图。
图2是本发明的俯视图。
图3是图2中A-A的剖面示意图。
图4是图3中B处的局部放大图。
图5是图2中A-A的剖面立体示意图。
图6是本发明中滚珠固定架的剖视图。
图7是本发明中底座的剖视图。
图8是本发明中滚珠压板的剖视图。
具体实施方式
附图仅用于示例性说明，不能理解为对本专利的限制；为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。附图中描述位置关系仅用于示例性说明，不能理解为对本专利的限制。
实施例1
如图1到图5所示，一种光学元件的旋转装置，其中，包括座体6、滚珠固定架1、滚珠2、滚珠压板3、弹性元件4和盖体5，所述滚珠固定架1套设在所述座体6上，所述滚珠2、滚珠压板3、弹性元件4和盖体5从下至上依次设置在所述滚珠固定架1和座体6之间，所述盖体5设在最上层可以防止灰尘等进入到滚珠固定架1和座体6之间的空间中，以免灰尘等会影响滚珠2的运动。当滚珠2受热膨胀时，滚珠2则向滚珠压板3施加作用力，滚珠压板3则向弹性元件 4施加作用力，此时弹性元件4则被滚珠压板3与盖体5压缩，通过弹性元件4的调节，滚珠2与座体6之间的位置能够适度调节，进而使得座体6相对滚珠2旋转运动时，不会卡得太紧，避免出现座体6的旋转运动出现卡滞现象而影响装设在其上的元件的使用效果；当滚珠2受冷收缩时，弹性元件4则被释放弹力，弹性元件4向滚珠压板3施加作用力，使得滚珠压板3向滚珠2施加作用力，进而把滚珠2压紧，但又不至于压得太紧而出现滚动卡滞现象，使得座体6的运动顺畅。
如图6到图8所示，所述座体6的外周侧壁上与所述滚珠2对应的位置设有第一滚珠槽7。所述滚珠固定架1内侧与所述滚珠2对应的位置设有第一弧形缺口8，所述滚珠压板3上与所述滚珠2对应的位置设有第二弧形缺口9，所述第一弧形缺口8与第二弧形缺口9构成第二滚珠槽，所述滚珠2设于所述第一滚珠槽7与第二滚珠槽之间。第一滚珠槽7和第二滚珠槽均与所述滚珠2的表面相配合，这样就把滚珠2的运动限制在了第一滚珠槽7和第二滚珠槽形成的空间中，使得座体6相对于滚珠2的转动更平稳。
如图3到图6所示，所述滚珠固定架1内侧与所述滚珠压板3以及盖体5对应的位置分别设有压板槽10和盖体槽11，所述滚珠压板3装设在所述滚珠固定架1的压板槽10内，所述压板槽10的高度大于所述滚珠压板3的高度，这是为了给滚珠压板3留出活动空间，避免滚珠2热胀冷缩时，被卡得过紧或过松，进而导致座体6自转运动时出现卡滞现象，运动不顺畅，而影响装设在座体6上的元件的使用效果。所述盖体5嵌设在滚珠固定架1的盖体槽11上，所述盖体5上设有切口，且盖体5具有微小弹性，这样通过掰开切口以及盖体5本身具有的微小弹性，可非常轻易地将其安装到滚珠固定架1的盖体槽11上。
如图4和图5所示，所述弹性元件设在所述滚珠压板3和盖体5之间，且弹性元件4的两侧面分别与所述滚珠压板3和盖体5紧贴。这样在滚珠2热胀冷缩时，弹性元件4通过被压缩或者释放弹力来对滚珠2与座体6之间的位置进行适度调节，避免座体6的旋转运动出现卡滞现象而影响装设在其上的元件的使用效果。
所述弹性元件4可以是弹性垫圈、橡胶圈、弹簧等任何具有弹性的元件，本实施例中为波形垫圈。
本实施例中，所述滚珠压板3、弹性元件4和盖体5为环形。
实施例2
一种舞台灯光学装置，其中，该舞台灯包括光学元件主体和实施例1所述的旋转装置，所述光学元件主体设于所述旋转装置的座体6上。应用了该旋转装置，就可以避免光学元件主体的旋转运动出现卡滞现象而影响舞台灯的使用效果。当然，实施例1所述的旋转装置不仅限于应用在舞台灯光学装置上，还可以应用在任何需要具有自转功能的设备元件上。
本实施例中，所述光学元件主体包括光学元件本体和光学元件固定架，所述光学元件本体安装在光学元件固定架上。
本实施例中，所述光学元件主体为舞台灯中的图案片组件或棱镜片组件。
显然，本发明的上述实施例仅仅是为了清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种光学元件的旋转装置，其特征在于，包括座体(6)、滚珠固定架(1)、滚珠(2)、滚珠压板(3)、弹性元件(4)和盖体(5)，所述滚珠固定架(1)套设在所述座体(6)上，所述滚珠(2)、滚珠压板(3)、弹性元件(4)和盖体(5)从下至上依次设置在所述滚珠固定架(1)和座体(6)之间。
  2. 根据权利要求1所述的旋转装置，其特征在于，所述座体(6)的外周侧壁上与所述滚珠(2)对应的位置设有第一滚珠槽(7)。
  3. 根据权利要求2所述的旋转装置，其特征在于，所述滚珠固定架(1)内侧与所述滚珠(2)对应的位置设有第一弧形缺口(8)，所述滚珠压板(3)上与所述滚珠(2)对应的位置设有第二弧形缺口(9)，所述第一弧形缺口(8)与第二弧形缺口(9)构成第二滚珠槽，所述滚珠(2)设于所述第一滚珠槽(7)与第二滚珠槽之间。
  4. 根据权利要求1所述的旋转装置，其特征在于，所述滚珠固定架(1)内侧与所述滚珠压板(3)以及盖体(5)对应的位置分别设有压板槽(10)和盖体槽(11)，所述滚珠压板(3)装设在所述滚珠固定架(1)的压板槽(10)内，所述压板槽(10)的高度大于所述滚珠压板(3)的高度，所述盖体(5)嵌设在滚珠固定架(1)的盖体槽(11)上。
  5. 根据权利要求4所述的旋转装置，其特征在于，所述弹性元件(4)设在所述滚珠压板(3)和盖体(5)之间，且弹性元件(4)的两侧面分别与所述滚珠压板(3)和盖体(5)紧贴。
  6. 根据权利要求1到5任一所述的旋转装置，其特征在于，所述弹性元件(4)为弹性垫圈，或橡胶圈，或波形垫圈，或弹簧。
  7. 根据权利要求1到5任一所述的旋转装置，其特征在于，所述盖体(5)上设有切口，且盖体(5)具有微小弹性。
  8. 根据权利要求1到5任一所述的旋转装置，其特征在于，所述滚珠压板(3)、弹性元件(4)和盖体(5)均呈环形。
  9. 一种舞台灯光学装置，其特征在于，包括光学元件主体和权利要求1到8任一所述的旋转装置，所述光学元件主体装设在所述旋转装置的座体(6)上。
  10. 根据权利要求9所述的舞台灯光学装置，其特征在于，所述光学元件主体为图案片组件或棱镜片组件。
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