CN107965740A - A kind of lamps and lanterns focal length setting mechanism - Google Patents
A kind of lamps and lanterns focal length setting mechanism Download PDFInfo
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- CN107965740A CN107965740A CN201711276024.XA CN201711276024A CN107965740A CN 107965740 A CN107965740 A CN 107965740A CN 201711276024 A CN201711276024 A CN 201711276024A CN 107965740 A CN107965740 A CN 107965740A
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- lamps
- lanterns
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 241001465382 Physalis alkekengi Species 0.000 title claims abstract 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000741 silica gel Substances 0.000 claims abstract description 10
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 230000003252 repetitive effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 description 15
- 239000000243 solution Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
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- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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- 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
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
技术领域technical field
本发明涉及照明技术领域，尤其是一种灯具焦距调节机构，具体涉及一种通过手动水平旋转灯具某一结构而带动另一个(或一组)光学元器件作垂直方向移动的调节机构。The invention relates to the field of lighting technology, in particular to a focal length adjustment mechanism of a lamp, in particular to an adjustment mechanism that drives another (or a group of) optical components to move vertically by manually rotating a certain structure of a lamp horizontally.
背景技术Background technique
在不同的照明场所中，对灯具的配光呈现出不同的要求，特别局部照明和重点照明要求灯具对其投射照明范围进行控制，其中包括灯具投射的角度控制。In different lighting places, there are different requirements for the light distribution of lamps, especially local lighting and accent lighting require lamps to control their projected lighting range, including the angle control of lamp projection.
以往大多数灯具采用固定配光角度进行照明，存在照明范围不可调的缺点；也有少数灯具采用可调配光角度进行照明，存在调节次数过多后，因磨损或螺钉松动以及灯具温度升高而导致调节不顺畅或卡住现象；或因加工精度要求过高，无法实现大量生产，造成组装复杂良品率低从而成本居高。In the past, most lamps used fixed light distribution angles for lighting, and there was a disadvantage that the lighting range could not be adjusted; there were also a few lamps that used adjustable light distribution angles for lighting. The adjustment is not smooth or stuck; or due to the high processing accuracy requirements, mass production cannot be realized, resulting in complex assembly and low yield rate, resulting in high cost.
发明内容Contents of the invention
本发明的目的是提供一种解决现有技术中灯具调节焦距时加工精度要求较高、加工成本贵和调节不顺畅，长期使用不稳定的问题，结构尺寸简单紧凑、成本低，效果稳定的灯具焦距调节机构。The purpose of the present invention is to provide a lamp with simple and compact structure size, low cost and stable effect, which solves the problems of high processing precision, high processing cost, unsmooth adjustment and unstable long-term use in the prior art when the lamp adjusts the focal length. Focus adjustment mechanism.
为了解决背景技术所存在的问题，本发明是采用以下技术方案：一种灯具焦距调节机构，它包含灯具散热器壳体、灯具光源和调节组件，所述灯具光源与灯具散热器壳体连接；所述调节组件与灯具散热器壳体连接；所述灯具光源通过光源支架和固定螺钉固定安装于灯具散热器壳体上；所述调节组件包含旋转圈、调焦透镜、透镜固定圈和硅胶调节环，调焦透镜通过卡扣方式安装于透镜固定圈中；透镜固定圈两边的凸条与灯具散热器壳体两边的凹槽相对应，安装于灯具散热器壳体内；旋转圈卡接在灯具散热器壳体上，且旋转圈内的定位凸点对应透镜固定圈的斜槽；硅胶调节环的光面套接在旋转圈外壁的凹槽上。In order to solve the problems existing in the background technology, the present invention adopts the following technical solutions: a lamp focus adjustment mechanism, which includes a lamp radiator shell, a lamp light source and an adjustment assembly, and the lamp light source is connected to the lamp radiator shell; The adjustment assembly is connected to the radiator housing of the lamp; the light source of the lamp is fixedly installed on the radiator housing of the lamp through the light source bracket and fixing screws; the adjustment assembly includes a rotating ring, a focusing lens, a lens fixing ring and a silicone adjustment Ring, the focusing lens is installed in the lens fixing ring by buckling; the convex strips on both sides of the lens fixing ring correspond to the grooves on both sides of the lamp radiator shell, and are installed in the lamp radiator shell; the rotating ring is snapped on the lamp On the radiator shell, the positioning bumps in the rotating ring correspond to the inclined grooves of the lens fixing ring; the smooth surface of the silicone adjusting ring is socketed on the groove on the outer wall of the rotating ring.
作为本发明的进一步改进；所述的灯具散热器壳体为分体结构或一体结构。As a further improvement of the present invention; the lamp radiator housing is a split structure or an integral structure.
作为本发明的进一步改进；所述的旋转圈为半圆形或等分圆的弧形。As a further improvement of the present invention; the rotating circle is in the shape of a semicircle or an arc that bisects a circle.
作为本发明的进一步改进；所述的调焦透镜可为反光杯或玻璃镜片。As a further improvement of the present invention; the focusing lens can be a reflective cup or a glass lens.
作为本发明的进一步改进；所述的透镜固定圈上倾斜设置有导向槽孔。As a further improvement of the present invention; the lens fixing ring is obliquely provided with guide slots.
作为本发明的进一步改进；所述的硅胶调节环外壁均匀设置有防滑纹层。As a further improvement of the present invention: the outer wall of the silicone adjusting ring is uniformly provided with an anti-skid layer.
采用上述技术方案后，本发明具有以下有益效果：After adopting the above technical scheme, the present invention has the following beneficial effects:
1、灯具散热器壳体采用压铸或型材成型，结构简单；透镜固定圈有导向槽孔，便于安装，同时具有防呆功能和限位作用，提高安全性；1. The radiator shell of the lamp is formed by die-casting or profiles, and the structure is simple; the lens fixing ring has guide slots, which is easy to install, and has the function of fool-proof and position-limiting, which improves safety;
2、调节组件由调焦透镜、透镜固定圈、旋转圈、硅胶调节环组成，零部件少，加工简单；透镜固定圈、旋转圈采用注塑成型。具有结构稳定，不易变形；硅胶调节环采用硅胶注塑成型，外圈有防滑纹，内径略小于旋转圈外径设计，因材料具有拉伸性能牢固套紧旋转圈；2. The adjusting component is composed of focusing lens, lens fixing ring, rotating ring and silicone adjusting ring, with few parts and simple processing; the lens fixing ring and rotating ring are injection molded. It has a stable structure and is not easy to deform; the silicone adjustment ring is made of silicone injection molding, the outer ring has anti-skid lines, and the inner diameter is slightly smaller than the outer diameter of the rotating ring, because the material has tensile properties and firmly fits the rotating ring;
3、调节组件采用无螺杆设计，可不用借助任何辅助工具完成组装及拆装，方便用户维护；3. The adjustment component adopts a screwless design, which can be assembled and disassembled without any auxiliary tools, which is convenient for users to maintain;
4、采用导槽及限位槽设计，可调范围能有效控制，降低了对装配工艺要求；4. Adopt the design of guide groove and limit groove, the adjustable range can be effectively controlled, and the requirements for assembly process are reduced;
5、对使用环境无苛刻要求，增加了产品的适用性。5. There are no strict requirements on the use environment, which increases the applicability of the product.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本发明所提供的实施例的分解结构示意图；Fig. 1 is a schematic diagram of an exploded structure of an embodiment provided by the present invention;
附图标记：Reference signs:
1—灯具散热器壳体；2—旋转圈；3—灯具光源；4—固定螺钉；5—光源支架；6—调焦透镜；7—透镜固定圈；8—硅胶调节环。1—lamp radiator shell; 2—rotating ring; 3—lamp light source; 4—fixing screw; 5—light source bracket; 6—focusing lens; 7—lens fixing ring; 8—silicone adjusting ring.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施方式，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施方式仅用以解释本发明，并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
请参阅图1，本具体实施方式采用以下技术方案：一种灯具焦距调节机构，它包含灯具散热器壳体1、旋转圈2、灯具光源3、固定螺钉4、光源支架5、调焦透镜6、透镜固定圈7和硅胶调节环8，所述灯具光源3与灯具散热器壳体1连接；所述调节组件与灯具散热器壳体1连接；所述灯具光源3通过光源支架5和固定螺钉4固定安装于灯具散热器壳体1上；所述旋转圈2、调焦透镜6、透镜固定圈7和硅胶调节环8组成调节组件，调焦透镜6通过卡扣方式安装于透镜固定圈7中；透镜固定圈7两边的凸条与灯具散热器壳体1两边的凹槽相对应，安装于灯具散热器壳体1内；所述的透镜固定圈7上倾斜设置有导向槽孔，旋转圈2卡接在灯具散热器壳体1上，且旋转圈2内的定位凸点对应透镜固定圈7的导向槽孔；硅胶调节环8的光面套接在旋转圈2外壁的凹槽上，硅胶调节环8外壁均匀设置有防滑纹层。Please refer to Fig. 1, this embodiment adopts the following technical solutions: a lamp focal length adjustment mechanism, which includes a lamp radiator housing 1, a rotating ring 2, a lamp light source 3, a fixing screw 4, a light source bracket 5, and a focusing lens 6 , lens fixing ring 7 and silica gel adjusting ring 8, the lamp light source 3 is connected with the lamp radiator housing 1; the adjustment assembly is connected with the lamp radiator housing 1; the lamp light source 3 passes through the light source bracket 5 and the fixing screw 4. It is fixedly installed on the radiator shell 1 of the lamp; the rotating ring 2, the focusing lens 6, the lens fixing ring 7 and the silicone adjusting ring 8 form an adjustment assembly, and the focusing lens 6 is installed on the lens fixing ring 7 by buckling Middle; the convex strips on both sides of the lens fixing ring 7 correspond to the grooves on both sides of the lamp radiator housing 1, and are installed in the lamp radiator housing 1; the lens fixing ring 7 is obliquely provided with guide slots, and the rotation The ring 2 is clamped on the radiator shell 1 of the lamp, and the positioning convex point in the rotating ring 2 corresponds to the guide slot hole of the lens fixing ring 7; the smooth surface of the silicone adjusting ring 8 is sleeved on the groove on the outer wall of the rotating ring 2 , the outer wall of the silicone adjustment ring 8 is evenly provided with an anti-skid layer.
所述的灯具散热器壳体1为分体结构或一体结构。The lamp radiator housing 1 is a split structure or an integral structure.
所述的调焦透镜6可为反光杯或玻璃镜片。The focusing lens 6 can be a reflective cup or a glass lens.
本发明的组装步骤为：The assembly steps of the present invention are:
(1)将灯具光源3通过光源支架5和固定螺钉4安装于灯具散热器壳体1的相应位置；(1) Install the lamp light source 3 on the corresponding position of the lamp radiator housing 1 through the light source bracket 5 and the fixing screw 4;
(2)将调焦透镜6通过卡扣方式安装于透镜固定圈7中；再将透镜固定圈7两边的凸条对准灯具散热器壳体1两边的凹槽放入灯具散热器壳体1内；(2) Install the focusing lens 6 in the lens fixing ring 7 by buckling; then align the protrusions on both sides of the lens fixing ring 7 with the grooves on both sides of the lamp radiator housing 1 and put it into the lamp radiator housing 1 Inside;
(3)将旋转圈2内的定位凸点对应到透镜固定圈7的斜槽内，转动旋转圈2，使旋转圈2的定位凸点完全卡入，并与灯具散热器壳体1的活动圈紧贴，重复动作将其余旋转圈2安装于灯具散热器壳体1上，并使旋转圈2的卡扣相互卡住；(3) Correspond the positioning bumps in the rotating ring 2 to the chute of the lens fixing ring 7, and rotate the rotating ring 2 so that the positioning bumps of the rotating ring 2 are completely snapped in, and are aligned with the activities of the radiator housing 1 of the lamp. The rings are close to each other, and the rest of the rotating rings 2 are installed on the lamp radiator housing 1 by repeating the action, and the buckles of the rotating rings 2 are locked together;
(4)将硅胶调节环8紧密套在旋转圈2上即可，且硅胶调节环8的光面与旋转圈2外壁的凹槽贴合。(4) Just put the silicone adjusting ring 8 tightly on the rotating ring 2 , and the smooth surface of the silicone adjusting ring 8 fits with the groove on the outer wall of the rotating ring 2 .
本发明的工作原理为：Working principle of the present invention is:
调焦透镜6与透镜固定圈7连接后再安装于灯具散热器壳体1内；旋转圈2穿过灯具散热器壳体1所预留的槽卡在透镜固定圈7的斜槽内，并使旋转圈2相互卡住；硅胶调节环套8于旋转圈2外。通过旋转硅胶调节环8可实现透镜固定圈7在灯具散热器壳体1的预留槽内做直线运动并带动调焦透镜6移动。通过旋转硅胶调节环8可实现光斑大小的无极变化，从而达到调节焦距的目的。The focusing lens 6 is connected to the lens fixing ring 7 and then installed in the lamp radiator housing 1; the rotating ring 2 passes through the groove reserved for the lamp radiator housing 1 and is stuck in the chute of the lens fixing ring 7, and The rotating rings 2 are locked together; the silicone adjusting ring sleeve 8 is outside the rotating rings 2 . By rotating the silicone adjusting ring 8, the lens fixing ring 7 can move linearly in the reserved groove of the lamp radiator housing 1 and drive the focusing lens 6 to move. By rotating the silicone adjustment ring 8, the infinite change of the spot size can be realized, so as to achieve the purpose of adjusting the focal length.
本发明可以实现透镜在一定范围内平稳移动，同时灯具的发光角度可相应调节，在不移动灯具的情况下达到光斑大小的变化。本发明与传统解决方法相比，结构尺寸简单紧凑、成本低，效果稳定，能有效控制调焦灯具加工成本和不良品，解决了灯具长期使用后调节摩擦或因灯具使用后因温升而引起的调节不顺畅或卡住的问题。The invention can realize the smooth movement of the lens within a certain range, and at the same time, the light-emitting angle of the lamp can be adjusted correspondingly, so that the light spot size can be changed without moving the lamp. Compared with the traditional solution, the present invention has simple and compact structure size, low cost, stable effect, can effectively control the processing cost and defective products of focusing lamps, and solves the problem of adjustment friction after long-term use of lamps or the temperature rise caused by lamps after use. The adjustment is not smooth or stuck.
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276024.XA CN107965740A (en) | 2017-12-06 | 2017-12-06 | A kind of lamps and lanterns focal length setting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276024.XA CN107965740A (en) | 2017-12-06 | 2017-12-06 | A kind of lamps and lanterns focal length setting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107965740A true CN107965740A (en) | 2018-04-27 |
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| CN201711276024.XA Pending CN107965740A (en) | 2017-12-06 | 2017-12-06 | A kind of lamps and lanterns focal length setting mechanism |
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Cited By (6)
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| CN108426206A (en) * | 2018-05-15 | 2018-08-21 | 苏州瑞腾照明科技股份有限公司 | The angle modulation focus adjusting mechanism of light source in a kind of downlight |
| CN109058938A (en) * | 2018-09-26 | 2018-12-21 | 江苏优为视界科技有限公司 | A kind of lamps and lanterns focusing structure |
| CN111076101A (en) * | 2019-12-17 | 2020-04-28 | 深圳市耐锐照明有限公司 | Modular angle and focus adjustable spotlight |
| CN111271662A (en) * | 2020-03-24 | 2020-06-12 | 横店集团得邦照明股份有限公司 | Beam-adjustable PAR lamp and implementation method thereof |
| CN111998311A (en) * | 2020-08-20 | 2020-11-27 | 科特亚照明(上海)有限公司 | PAR lamp capable of rotating angle |
| CN114321841A (en) * | 2022-01-13 | 2022-04-12 | 成都恒坤光电科技有限公司 | Zoom lens support and lamp |
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| CN111271662A (en) * | 2020-03-24 | 2020-06-12 | 横店集团得邦照明股份有限公司 | Beam-adjustable PAR lamp and implementation method thereof |
| CN111998311A (en) * | 2020-08-20 | 2020-11-27 | 科特亚照明(上海)有限公司 | PAR lamp capable of rotating angle |
| CN114321841A (en) * | 2022-01-13 | 2022-04-12 | 成都恒坤光电科技有限公司 | Zoom lens support and lamp |
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Application publication date: 20180427 |