WO2022017219A1 - 光学镜片固定装置以及灯具 - Google Patents

光学镜片固定装置以及灯具 Download PDF

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Publication number
WO2022017219A1
WO2022017219A1 PCT/CN2021/105898 CN2021105898W WO2022017219A1 WO 2022017219 A1 WO2022017219 A1 WO 2022017219A1 CN 2021105898 W CN2021105898 W CN 2021105898W WO 2022017219 A1 WO2022017219 A1 WO 2022017219A1
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WO
WIPO (PCT)
Prior art keywords
lens
elastic member
mounting groove
optical lens
elastic
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Application number
PCT/CN2021/105898
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English (en)
French (fr)
Inventor
陈辉
张权
梁业巨
Original Assignee
深圳市绎立锐光科技开发有限公司
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Publication of WO2022017219A1 publication Critical patent/WO2022017219A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening 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
    • F21V17/16Fastening 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements

Definitions

  • the present application relates to the technical field of optical instruments, in particular to an optical lens fixing device and a lamp.
  • the lens cover 110 is used to press and fix the lens 120.
  • the structure is simple, it is necessary to customize the matching precision thread teeth, and the aluminum threads are easily deformed or produce aluminum waste when they bite each other, causing the teeth to be blocked. Use for a certain period of time It is difficult to disassemble after, and not easy to be reused twice.
  • the product needs enough space to set the lens cover 110, and the product with insufficient space cannot use this solution.
  • the purpose of the present application is to provide an optical lens fixing device and a lamp to solve the above problems.
  • the present application achieves the above objects through the following technical solutions.
  • an embodiment of the present application provides an optical lens fixing device, including a lens base, an elastic member pressing component and an elastic member, the lens base is provided with a lens mounting groove and an elastic member mounting groove, and the elastic member mounting groove is installed around the lens the edge of the groove is arranged; the elastic piece pressing component is detachably connected to the mirror base and covers at least part of the elastic piece installation groove; the elastic piece is arranged in the elastic piece installation groove, and has an interference fit with the mirror base and the elastic piece pressing component,
  • the elastic member includes a lens abutting surface, and the lens abutting surface faces the lens mounting groove.
  • the elastic member includes an elastic body portion and an elastic protruding portion disposed on the elastic body portion, the elastic body portion includes a first abutting sub-surface, the elastic protruding portion includes a second abutting sub-surface, and the second abutting sub-surface.
  • the resisting subsurface is connected to the first resisting subsurface, and the lens resisting surface includes a first resisting subsurface and a second resisting subsurface.
  • the elastic element mounting groove and the lens mounting groove pass through.
  • the lens holder includes an isolation portion, the isolation portion is located between the lens mounting groove and the elastic member mounting groove, the elastic body portion is provided with an isolation portion slot, and the isolation portion is adapted to the isolation portion slot.
  • the elastic member pressing assembly includes a pressing piece and a fastener, the pressing piece covers at least part of the elastic piece mounting groove, and the fastener is detachably connected to the pressing piece and the lens holder.
  • the orthographic projection of the tablet is outside the confines of the lens mounting slot.
  • the fastener is provided outside the range of the elastic element mounting groove.
  • the elastic member installation groove includes at least two elastic member installation sub-grooves, and the at least two elastic member installation sub-grooves are distributed along the edge of the lens installation groove at intervals.
  • the number of pressing pieces is consistent with the number of the elastic member mounting sub-slots, and the pressing pieces and the elastic member mounting sub-slots are arranged in a one-to-one correspondence.
  • an embodiment of the present application provides a lamp including an optical lens and the optical lens fixing device described in the first aspect, wherein the optical lens is detachably arranged in the lens mounting groove.
  • the optical lens fixing device and the lamp used by the embodiments of the present application, so that the lens abutting surface can press the optical lens, and the elastic member presses the optical lens.
  • Tight optical lenses can not only resist the vibration generated in the process of production and transportation, avoid scratching or damage the lens, but also make the optical lens fixing device suitable for fixing optical lenses of different sizes, with strong versatility and low processing accuracy requirements. , which can effectively reduce costs.
  • the elastic member pressing component is detachably connected to the mirror base, which is convenient for disassembly and maintenance.
  • FIG. 1 is a schematic structural diagram of a lens cover assembly in the related art.
  • FIG. 2 is an exploded schematic diagram of the optical lens fixing device provided by the embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional view of the elastic member of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • FIG. 4 is a schematic cross-sectional view of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • FIG. 5 is a schematic cross-sectional view of an optical lens fixing device provided by another embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • FIG. 7 is a schematic structural diagram of the lens seat of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • FIG. 8 is a schematic structural diagram of an optical lens fixing device provided by another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of the lens seat of the optical lens fixing device provided by the embodiment shown in FIG. 8 .
  • FIG. 10 is a schematic structural diagram of a lamp provided by an embodiment of the present application.
  • FIG. 2 is an exploded schematic diagram of the optical lens fixing device provided by the embodiment of the present application. Please refer to FIG. 2 . As shown in FIG.
  • the lens mount 210 is provided with a lens mounting groove 211 and an elastic member mounting groove 212 .
  • the lens mounting groove 211 penetrates through the lens mount 210
  • the elastic member mounting groove 212 surrounds the edge of the lens mounting groove 211 .
  • the elastic member pressing assembly 220 is detachably connected to the lens holder 210 and covers at least part of the elastic member mounting groove 212 .
  • the elastic member 230 is disposed in the elastic member installation groove 212 and is in an interference fit with the lens holder 210 and the elastic member pressing component 220 .
  • the elastic member 230 is adapted to the elastic member installation groove 212, and the elastic member 230 can be made of rubber material.
  • the rubber material has strong versatility, good processing performance, and excellent elasticity and wear resistance.
  • the elastic member 230 may be made of rubber materials such as nitrile rubber, styrene butadiene rubber, butadiene rubber and the like.
  • the optical lens fixing device 200 may be suitable for fixing the optical lens 300 , and the lens mounting groove 211 is adapted to the optical lens 300 for installing the optical lens 300 .
  • the cross section of the optical lens 300 is circular
  • the cross section of the lens mounting groove 211 is also circular
  • the cross section of the lens mounting groove 211 is also rectangular.
  • the lens abutting surface 231 is used for abutting against the optical lens 300, and the cross-section of the lens abutting surface 231 along the axial direction of the optical lens 300 may be a straight line or an arc, or may include multiple interconnected straight lines or arcs, so as to apply Optical lenses 300 in cylindrical, ellipsoid or other regular or irregular shapes.
  • the elastic member 230 has elastic deformation ability. Since the elastic member 230 is in an interference fit with the lens holder 210 and the elastic member pressing component 220 , the lens holder 210 and the elastic member pressing component 220 cause the elastic member 230 to be pressed and face the optical lens 300 . When deformation occurs, the lens abutting surface 231 can press against the optical lens 300 , so as to have a good lens fixing effect.
  • the elastic member 230 can play a buffering role, and the optical lens 300 can be fixed by the elastic member 230, which can resist the vibration generated during production, transportation and actual use, and avoid scratching or damaging the lens.
  • the elastic member 230 has the ability to deform, which can allow the optical lens 300 to have a certain dimensional tolerance, so that the optical lens fixing device 200 is suitable for fixing optical lenses of different sizes. cost.
  • the elastic member pressing assembly 220 is detachably connected to the lens holder 210 , and the elastic member 230 is fixed in the elastic member mounting groove 212 by the elastic member pressing assembly 220 .
  • the elastic member 230 can be
  • the optical lens 300 can be removed by removing the component pressing assembly 220 from the lens holder 210 , which is convenient for disassembly and maintenance, no need to use glue, and no need to set threads, which avoids the problem that aluminum threads are difficult to disassemble after a certain period of use.
  • the optical lens fixing device 200 may be suitable for fixing larger and heavier optical lenses, such as optical lenses in lamps such as stage lamps, high bay lamps and street lamps.
  • the volume of the elastic member 230 needs to be increased accordingly. As the volume of the elastic member 230 increases, the deformation of the elastic member 230 increases, so that the optical lens fixing device 200 has better anti-loose and shock-proof performance .
  • FIG. 3 is a schematic cross-sectional view of the elastic member provided by the embodiment shown in FIG. 2 .
  • the elastic member 230 includes an elastic body portion 232 and an elastic protrusion portion 233 , and the elastic body portion 232 is provided on the elastic member installation.
  • the groove 212 is in contact with the mirror base 210 .
  • the elastic protruding portion 233 is disposed on the elastic body portion 232 , the elastic body portion 232 includes a first resisting sub-surface 234 , the elastic protruding portion 233 includes a second resisting sub-surface 235 , and the second resisting sub-surface 235 is connected to the first resisting sub-surface 235 .
  • the lens resisting surface 231 includes a first resisting sub-surface 234 and a second resisting sub-surface 235 .
  • the elastic body portion 232 and the elastic protruding portion 233 may be integrally press-molded to simplify the manufacturing process. Since the elastic protruding portion 233 is disposed on the elastic body portion 232 , the second abutting sub-surface 235 is inclined relative to the first abutting sub-surface 234 . When the optical lens 300 is used, pressing forces in different directions can be applied to the optical lens 300 to improve the installation stability of the optical lens 300 .
  • the ends of the elastic body portion 232 and the elastic protruding portion 233 away from the lens holder 210 are flush with each other, so that both the elastic body portion 232 and the elastic protruding portion 233 can abut against the elastic member pressing assembly 220, and the elastic member 230 and The elastic member presses the contact area of the component 220 to improve the stability of the elastic member 230 .
  • FIG. 4 is a schematic cross-sectional view of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • the optical lens 300 may include a first lens surface 310 and a second lens surface 320 that are away from each other, and a connection A third lens surface 330 between the first lens surface 310 and the second lens surface 320.
  • the lens holder 210 is used for abutting against the first lens surface 310
  • the first abutting sub-surface 234 is used for abutting against the third surface 330 to exert a radial pressing force on the optical lens 300
  • the second abutting sub-surface 235 It is used to abut against the second lens surface 320 to apply axial compression pressure to the optical lens 300, so that the optical lens 300 can be compressed from two different directions, axial and radial.
  • the cross section of the first abutting sub-surface 234 along the axial direction of the optical lens 300 may be a straight line, which is suitable for the optical lens whose third lens surface 330 is a cylindrical surface.
  • the sectional line of the second abutting sub-surface 235 along the axial direction of the optical lens 300 may be an arc, which is suitable for the optical lens whose second lens surface 320 is an arc. If the second lens surface 320 is an arc surface, the second abutting sub-surface 235 can be set on a specific curvature according to requirements, so that the curvature is the same as the curvature of the second lens surface 320 .
  • the elastic member mounting groove 212 and the lens mounting groove 211 pass through, and the elastic body portion 232 can be a solid structure, which has a simple structure design and is convenient for processing and manufacturing.
  • FIG. 5 is a schematic cross-sectional view of an optical lens fixing device provided by another embodiment of the present application.
  • the lens holder 210 includes an isolation portion 218 , and the isolation portion 218 is located between the lens mounting groove 211 and the elastic member mounting groove 212 , The lens mounting groove 211 and the elastic member mounting groove 212 are separated, that is, there is no communication between the lens mounting groove 211 and the elastic member mounting groove 212 .
  • the isolation portion 218 is generally a sheet-like structure.
  • the isolation portion 218 may be a ring-shaped sheet-like structure; when the cross-section of the optical lens 300 is a rectangle, the isolation portion 218 may be a rectangular sheet-like structure.
  • the elastic body portion 232 is provided with an isolation part slot 236 , the isolation part slot 236 is adapted to the isolation part 218 , and the isolation part 218 is inserted into the isolation part slot 236 to fix the elastic member 230 in the lens mounting slot 211 .
  • the assembly stability of the elastic member 230 is improved.
  • the isolation portion 218 is inserted into the isolation portion slot 236 , the elastic member 230 is partially located in the elastic member mounting groove 212 and partially located in the lens mounting groove 211 .
  • FIG. 6 is a schematic structural diagram of the optical lens fixing device provided by the embodiment shown in FIG. 2 .
  • the elastic member pressing component 220 may include a pressing piece 221 and a fastener 222 , the pressing piece 221 covers at least part of the elastic member installation groove 212, the fastener 222 is detachably connected to the pressing piece 221 and the lens holder 210, and the pressing piece 221 and the fastener 222 are used to provide a fastening force to the elastic member 230, Therefore, the elastic member 230 can be fixed in the elastic member installation groove 212 .
  • the elastic member pressing component 220 may also be a ring-shaped buckle, which is used for snap connection with the lens holder 210 , as long as the elastic member 230 can be provided with a tightening force.
  • the pressing sheet 221 is generally a sheet-like structure, and is used for resisting against the elastic member 230 .
  • the pressing piece 221 may cover part or all of the elastic member installation groove 212, as long as the elastic member 230 can be securely fixed in the elastic member installation groove 212.
  • the pressing piece 221 may only abut against the elastic body portion 232 (see FIG. 3 for details), or abut against both the elastic body portion 232 and the elastic protruding portion 233 (see FIG. 3 for details).
  • the fasteners 222 may be detachable fasteners such as screws and bolts, and the fasteners 222 are used to connect the pressing piece 221 and the mirror base 210 to fix the pressing piece 221 on the mirror base 210 .
  • the fastener 222 can be released from the lens holder 210 , the pressing plate 221 can be removed, and the optical lens 300 can be taken out.
  • the orthographic projection of the pressing sheet 221 is located outside the range of the lens mounting groove 211 .
  • “orthographic projection” refers to the projection produced by the projection line projected on the pressing sheet 221 along the axial direction of the optical lens 300 . Therefore, the pressing piece 221 is disposed outside the lens mounting groove 211, which can prevent the pressing piece 221 from contacting the optical lens 300 in the lens mounting groove 211, thereby avoiding the occurrence of scratches and crushing of the lens.
  • the fasteners 222 are disposed outside the elastic member installation groove 212 , which can prevent the fasteners 222 from contacting the elastic member 230 in the elastic member installation groove 212 , thereby affecting the elastic deformation of the elastic member 230 .
  • the lens holder 210 includes a first lens holder inner wall 213 and a second lens holder inner wall 214 located in the lens mounting groove 211 , the first lens holder inner wall 213 is located on the radial surface of the optical lens 300 , the first lens holder The inner wall 213 is used to abut against the optical lens 300 to support the optical lens 300 .
  • the second lens seat inner wall 214 is vertically connected with the first lens seat inner wall 213 and the second lens seat inner wall 214 , and the second lens seat inner wall 214 can be gap-fitted with the optical lens 300 .
  • the clearance fit refers to the fit with a clearance and including the minimum clearance equal to zero.
  • the elastic member mounting groove 212 can be disposed on the inner wall 214 of the second mirror base, and the mirror base 210 further includes a third mirror base inner wall 215 located in the elastic member mounting groove 212.
  • the inner wall 215 of the third mirror base is connected to the inner wall 214 of the second mirror base, and is vertically connected to the inner wall 213 of the first mirror base.
  • the inner wall 213 of the first mirror base and the inner wall 215 of the third mirror base define an elastic member mounting groove 212 , and both the inner wall 213 of the first mirror base and the inner wall 215 of the third mirror base abut against the elastic member 230 .
  • the lens holder 210 may include a lens holder body 216 and a lens holder support portion 217 .
  • the lens holder support portion 217 is protruded from the lens holder body 216 , and the pressing piece 221 is fixed to the lens holder support portion 217 .
  • the mirror holder body 216 includes a first mirror holder inner wall 213, a second mirror holder inner wall 214 and a third mirror holder inner wall 215, and the mirror holder support portion 217 also includes a third mirror holder inner wall 215, that is, the third mirror holder inner wall 215 is separated from the mirror holder.
  • the body 216 extends to the lens holder support portion 217 . Therefore, the depth of the elastic member installation groove 212 can be increased, so as to accommodate the elastic member 230 with a larger volume.
  • an isolation portion 218 when an isolation portion 218 is provided between the lens mounting groove 211 and the elastic member mounting groove 212 , the isolation portion 218 can be spaced from the lens holder support portion 217 , and the isolation portion 218 is spaced from the lens holder support portion 217 .
  • An elastic member mounting groove 212 is formed therebetween.
  • FIG. 7 is a schematic structural diagram of the mirror holder provided by the embodiment shown in FIG. 2 .
  • the elastic member installation groove 212 includes at least two elastic member installation sub-grooves 2121 , and at least two elastic member installation grooves 2121 are provided.
  • the sub-slots 2121 are distributed along the edge of the lens mounting slot 211 at intervals. Therefore, at least two elastic members 230 can be arranged on the edge of the optical lens 300 to press the optical lens 300 , thereby improving the installation stability of the optical lens 300 .
  • the elastic member mounting sub-slots 2121 need to occupy the space of the mirror base 210, and at least two elastic member mounting sub-slots 2121 can be set in reasonable positions according to the outline of the mirror base 210, so as to make full use of the space on the mirror base 210 and reduce the The size of the lens holder 210 .
  • the mirror base body 216 is a rectangular plate-like structure
  • the number of the elastic member mounting sub-slots 2121 is four
  • the four elastic member mounting sub-slots 2121 are respectively disposed corresponding to the four corners of the mirror base body 216 .
  • the number of the lens holder support parts 217 is four, and the four lens holder support parts 217 are respectively arranged corresponding to the four corners of the lens holder body 216 , so that the outer wall of the lens holder body 216 and the lens holder located in the lens mounting groove 211 can be reduced.
  • the distance between the inner walls reduces the volume of the mirror base 210 . Therefore, the optical lens fixing device 200 can be suitable for fixing the lens when the optical lens is heavy and large in size, the edge of the optical lens is too close to the edge of the lens seat, and the space of the lens seat is not enough to install the lens cover.
  • the elastic member mounting groove 212 and the elastic member 230 may also be annular structures, and the elastic member 230 is disposed around the entire edge of the optical lens 300 , so that the optical lens 300 can be compressed from the entire periphery of the optical lens 300 .
  • the number of the pressing pieces 221 is the same as the number of the elastic member mounting sub-slots 2121 , and the pressing pieces 221 are arranged in a one-to-one correspondence with the elastic member mounting sub-slots 2121 .
  • the pressing piece 221 and the elastic member mounting sub-slot 2121 can be set at reasonable positions according to the outline of the mirror holder 210 , so as to make full use of the space on the mirror holder 210 and reduce the volume of the mirror holder 210 .
  • FIG. 8 is a schematic structural diagram of an optical lens fixing device provided by another embodiment of the present application.
  • the pressing sheet 221 may be an annular structure.
  • the optical lens fixing device 200 adopts an integrated tablet pressing structure, which can reduce the number of pressing tablets and assembly man-hours, and facilitate the assembly.
  • FIG. 9 is a schematic structural diagram of the lens seat of the optical lens fixing device provided by the embodiment shown in FIG. 8 .
  • the lens seat supporting portion 217 may also be an annular structure, and the lens seat supports The portion 217 is provided around the entire edge of the lens mounting groove 211 to support the annular pressing piece 221 .
  • the at least two elastic member mounting sub-slots 2121 can be arranged at any position of the lens holder body 216 according to actual requirements, as long as they are uniformly distributed along the edge of the lens mounting groove 211 .
  • the lamp 400 includes an optical lens 300 and an optical lens fixing device 200 .
  • the optical lens 300 is detachably disposed in the lens mounting groove 211 .
  • the lamp 400 provided in this embodiment may be a stage lamp, a high-bay lamp, a street lamp, etc. Taking a stage lamp as an example, the lamp 400 may further include a bracket 410 , and the bracket 410 is connected to the mirror base 210 . Since the lamp 400 adopts the lens fixing device 200, through the interference fit between the elastic member 230, the lens base 210 and the elastic member pressing component 220, the lens abutting surface 231 can press the optical lens 300, and the elastic member 230 pressing the optical lens 300, not only can resist the vibration generated during production, transportation, etc., avoid scratching or damage the lens, but also can be suitable for fixing the optical lens 300 of different sizes, the device is versatile, and the processing accuracy is low. , which can effectively reduce costs. On the other hand, the elastic member pressing assembly 220 is detachably connected to the lens holder 210 , so that the optical lens 300 can be easily disassembled and assembled and maintained.
  • the lamp 400 includes the optical lens fixing device 200 , it has all the beneficial effects of the optical lens fixing device 200 , and details are not repeated here.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

光学镜片固定装置及灯具,光学镜片固定装置(200)包括镜座(210),设有镜片安装槽(211)和弹性件安装槽(212),所述弹性件安装槽(212)围绕镜片安装槽(211)的边缘设置;弹性件压紧组件(220),可拆卸地连接于镜座(210),并覆盖至少部分弹性件安装槽(211);弹性件(230),设置于弹性件安装槽(212),并与镜座(210)和弹性件压紧组件(220)过盈配合,弹性件(230)包括镜片抵持面(231),镜片抵持面(231)朝向镜片安装槽(211)。灯具包括光学镜片(300)以及光学镜片固定装置(200),光学镜片(300)可拆卸地设置于镜片安装槽(211)。

Description

光学镜片固定装置以及灯具 技术领域
本申请涉及光学仪器技术领域,具体涉及一种光学镜片固定装置以及灯具。
背景技术
常用的光学镜片的固定方式有多种,例如采用具有螺纹的镜头盖压紧固定镜片、粘胶固定镜片和直接用固定片固定镜片等。然而,这些固定方式并不适用于空间紧凑、有拆卸维护性要求的产品。如图1所示,采用镜头盖110压紧固定镜片120,虽然结构形式简单,但是需要定制配套精密螺纹牙,且铝制螺纹相互咬合容易变形或产生铝废屑,造成咬牙阻塞,使用一定时间后难拆卸,不易二次重复使用。另外,产品需要足够的空间设置镜头盖110,空间不足的产品则无法使用该方案。对于通过涂抹胶水固定镜片的方式而言,无法进行二次拆卸,且粘附力有限,仅适用于小型光学镜片,并不适用于体积较大的光学镜片。另外,部分胶水冷却时间长,影响装配效率。对于采用固定片直接固定镜片的方式而言,则需要严格控制固定片、镜片和固定座之间的间隙精度,间隙过大则固定片接触不到镜片,造成镜片松动,间隙过小则因镜片不平整容易导致固定片翘起,当压力过大时甚至会划伤、压坏镜片,对加工精度要求高,影响加工效率。
实用新型内容
本申请的目的在于提出一种光学镜片固定装置以及灯具,以解决上述问题。本申请通过以下技术方案来实现上述目的。
第一方面,本申请实施例提供了一种光学镜片固定装置,包括镜座、弹性件压紧组件和弹性件,镜座设有镜片安装槽和弹性件安装槽,弹性件安装槽围绕镜片安装槽的边缘设置;弹性件压紧组件可拆卸地连接于镜座,并覆盖至少部分弹性件安装槽;弹性件设置于弹性件安装槽,并与镜座和弹性件压紧组件过盈配合,弹性件包括镜片抵持面,镜片抵持面朝向镜片安装槽。
在一种实施方式中,弹性件包括弹性本体部和设于弹性本体部的弹性凸起部,弹性本体部包括第一抵持子面,弹性凸起部包括第二抵持子面,第二抵持子面连接于第一抵持子面,镜片抵持面包括第一抵持子面和第二抵持子面。
在一种实施方式中,弹性件安装槽与镜片安装槽贯通。
在一种实施方式中,镜座包括隔离部,隔离部位于镜片安装槽和弹性件安装槽之间,弹性本体部设有隔离部插槽,隔离部适配于隔离部插槽。
在一种实施方式中,弹性件压紧组件包括压片和紧固件,压片覆盖至少部分弹性件安装槽,紧固件可拆卸地连接于压片和镜座。
在一种实施方式中,压片的正投影位于镜片安装槽的范围外。
在一种实施方式中,紧固件设于弹性件安装槽的范围外。
在一种实施方式中,弹性件安装槽包括至少两个的弹性件安装子槽,至少两个的弹性件安装子槽沿镜片安装槽的边缘间隔分布。
在一种实施方式中,压片的数量与弹性件安装子槽的数量一致,压片与弹性件安装子槽一一对应设置。
第二方面,本申请实施例提供了一种灯具,包括光学镜片以及第一方面所述的光学镜片固定装置,光学镜片可拆卸地设置于镜片安装槽。
相对于现有技术,本申请实施例提供的光学镜片固定装置和灯具通过弹性件与镜座和弹性件压紧组件的过盈配合,使得镜片抵持面可以压紧光学镜片,通 过弹性件压紧光学镜片,不仅能够抵御生产、运输等过程中产生的震动,避免划伤或损坏镜片,也可以使得光学镜片固定装置适于固定不同尺寸规格的光学镜片,通用性强,且加工精度要求低,可有效降低成本。另一方面,弹性件压紧组件可拆卸地连接于镜座,拆装维护方便。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例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申请的一些实施例,对于本领域技术人员来讲,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。
图1是相关技术中镜头盖组件的结构示意图。
图2是本申请实施例提供的光学镜片固定装置的爆炸示意图。
图3是图2所示实施例提供的光学镜片固定装置的弹性件的剖面示意图。
图4是图2所示实施例提供的光学镜片固定装置的截面示意图。
图5是本申请另一实施例提供的光学镜片固定装置的截面示意图。
图6是图2所示实施例提供的光学镜片固定装置的结构示意图。
图7是图2所示实施例提供的光学镜片固定装置的镜座的结构示意图。
图8是本申请又一实施例提供的光学镜片固定装置的结构示意图。
图9是图8所示实施例提供的光学镜片固定装置的镜座的结构示意图。
图10是本申请实施例提供的灯具的结构示意图。
具体实施方式
下面详细描述本申请的实施方式,所述实施方式的示例在附图中示出,其中 自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的,仅用于解释本申请,而不能理解为对本申请的限制。
为了使本技术领域的人员更好地理解本申请方案,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整的描述。显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
图2是本申请实施例提供的光学镜片固定装置的爆炸示意图,请参阅图2所示,光学镜片固定装置200包括镜座210、弹性件压紧组件220和弹性件230。
镜座210设有镜片安装槽211和弹性件安装槽212,镜片安装槽211贯通镜座210,弹性件安装槽212围绕镜片安装槽211的边缘设置。弹性件压紧组件220可拆卸地连接于镜座210,并覆盖至少部分弹性件安装槽212。弹性件230设置于弹性件安装槽212,并与镜座210和弹性件压紧组件220过盈配合,弹性件230包括镜片抵持面231,镜片抵持面231朝向镜片安装槽211。
弹性件230适配于弹性件安装槽212,弹性件230可以采用橡胶材料制成。橡胶材料通用性强,且加工性能好、还具有优异的弹性和耐磨性。示例性的,弹性件230可以丁腈橡胶、丁苯橡胶、顺丁橡胶等等橡胶材料制成。
光学镜片固定装置200可适用于固定光学镜片300,镜片安装槽211与光学镜片300相适配,用于安装光学镜片300。示例性的,当光学镜片300的截面为圆形时,镜片安装槽211的截面同样为圆形;当光学镜片300的截面为矩形时,镜片安装槽211的截面同样为矩形。
镜片抵持面231用于与光学镜片300相抵持,镜片抵持面231沿光学镜片 300轴向的截线可以是一条直线或者弧线,也可以包括多段相互连接的直线或者弧线,以适用于圆柱形、椭球形或者其他一些规则或者不规则形状的光学镜片300。
弹性件230具有弹性形变能力,由于弹性件230与镜座210和弹性件压紧组件220过盈配合,通过镜座210和弹性件压紧组件220使得弹性件230被压紧并朝向光学镜片300发生形变,镜片抵持面231可以压紧光学镜片300,起到良好的镜片固定作用。
其中,弹性件230能够起到缓冲作用,通过弹性件230固定光学镜片300,能够抵御生产、运输和实际使用过程中产生的震动,避免划伤或损坏镜片。同时,弹性件230具有形变能力,可允许光学镜片300存在一定的尺寸公差,使得光学镜片固定装置200适于固定不同尺寸规格的光学镜片,通用性强,且加工精度要求低,可有效降低生产成本。
另一方面,弹性件压紧组件220可拆卸地连接于镜座210,通过弹性件压紧组件220将弹性件230固定在弹性件安装槽212内,后期进行产品调整和维护时,可将弹性件压紧组件220从镜座210拆下,即可取下光学镜片300,拆装维护方便,无需使用胶水,也不需要设置螺纹,避免铝制螺纹使用一定时间后难以拆卸的问题出现。
光学镜片固定装置200可以适用于固定较大、较重的光学镜片,例如舞台灯具、高棚灯和路灯等灯具中的光学镜片。为了适配大体积的光学镜片,需要相应增加弹性件230的体积大小,随着弹性件230体积的增加,弹性件230的形变量增加,使得光学镜片固定装置200具备更好的防松防震性能。
图3是图2所示实施例提供的弹性件的剖面示意图,如图2和图3所示,弹性件230包括弹性本体部232和弹性凸起部233,弹性本体部232设于弹性件 安装槽212,并与镜座210相抵持。弹性凸起部233设于弹性本体部232,弹性本体部232包括第一抵持子面234,弹性凸起部233包括第二抵持子面235,第二抵持子面235连接于第一抵持子面234,镜片抵持面231包括第一抵持子面234和第二抵持子面235。
弹性本体部232和弹性凸起部233可以一体压制成型,以简化制作工艺。由于弹性凸起部233设于弹性本体部232,使得第二抵持子面235相对第一抵持子面234倾斜设置,当第一抵持子面234和第二抵持子面235压紧光学镜片300时,可以向光学镜片300施加朝向不同方向的压紧力,提高光学镜片300的安装稳定性。
弹性本体部232和弹性凸起部233背离镜座210的一端相互平齐,以使弹性本体部232和弹性凸起部233均可以与弹性件压紧组件220相抵持,增大弹性件230和弹性件压紧组件220的接触面积,提高弹性件230的稳固性。
图4是图2所示实施例提供的光学镜片固定装置的截面示意图,结合图3和图4所示,光学镜片300可以包括相互背离的第一镜片表面310和第二镜片表面320,以及连接于第一镜片表面310和第二镜片表面320之间的第三镜片表面330。镜座210用于与第一镜片表面310抵持,第一抵持子面234用于与第三表面330抵持,以对光学镜片300施加径向压紧力,第二抵持子面235用于与第二镜片表面320相抵持,以对光学镜片300施加轴向压紧压力,从而可以从轴向和径向两个不同方向对光学镜片300进行压紧。
第一抵持子面234沿光学镜片300轴向的截线可以为直线,适用于第三镜片表面330为圆柱面的光学镜片。第二抵持子面235沿光学镜片300轴向的截线可以为弧线,适用于第二镜片表面320为弧面的光学镜片。如果第二镜片表面320为弧面,可以根据需要将第二抵持子面235设置在一个特定的曲率上, 使其与第二镜片表面320的曲率相同。
在图2所示的实施例中,弹性件安装槽212与镜片安装槽211贯通,弹性本体部232可以为实心结构,结构设计简单,方便加工制造。
图5是本申请另一实施例提供的光学镜片固定装置的截面示意图,如图5所示,镜座210包括隔离部218,隔离部218位于镜片安装槽211和弹性件安装槽212之间,以分隔镜片安装槽211和弹性件安装槽212,即镜片安装槽211和弹性件安装槽212之间不连通。
隔离部218大致为片状结构,当光学镜片300的截面为圆形时,隔离部218可以为环形片状结构;当光学镜片300的截面为矩形时,隔离部218可以为矩形片状结构。
弹性本体部232设有隔离部插槽236,隔离部插槽236适配于隔离部218,隔离部218插装于隔离部插槽236,以将弹性件230固定在镜片安装槽211内,可以提高弹性件230的装配稳定性。当隔离部218插装于隔离部插槽236时,弹性件230部分位于弹性件安装槽212内,部分位于镜片安装槽211内。
图6是图2所示实施例提供的光学镜片固定装置的结构示意图,结合图2和图6所示,在本实施例中,弹性件压紧组件220可以包括压片221和紧固件222,压片221覆盖至少部分的弹性件安装槽212,紧固件222可拆卸地连接于压片221和镜座210,压片221和紧固件222用于向弹性件230提供紧固力,从而可以将弹性件230固定在弹性件安装槽212内。在其他实施方式中,弹性件压紧组件220还可以是环形卡扣,用于与镜座210卡合连接,只要能向弹性件230提供紧固力即可。
压片221大致为片状结构,用于与弹性件230相抵持。压片221可以覆盖部分或者全部的弹性件安装槽212,只要能够保证弹性件230稳固在弹性件安装 槽212内即可。示例性地,压片221可以仅与弹性本体部232(详见图3)相抵持,或者同时与弹性本体部232和弹性凸起部233(详见图3)相抵持。
紧固件222可以是螺钉、螺栓等可拆卸紧固件,紧固件222用于连接压片221和镜座210,以将压片221固定在镜座210上。当需要拆卸镜片进行维护时,可以将紧固件222从镜座210上松脱,即可取下压片221,进而取出光学镜片300。
本实施例中,压片221的正投影位于镜片安装槽211的范围外。其中,“正投影”是指投射线沿光学镜片300的轴向投射在压片221上产生的投影。由此,压片221设置于镜片安装槽211外,可以避免压片221与镜片安装槽211内的光学镜片300相接触,进而避免划伤、压坏镜片的情况发生。
紧固件222设置于弹性件安装槽212外,可以避免紧固件222与弹性件安装槽212内的弹性件230相接触,进而影响弹性件230的弹性形变。
本实施例中,镜座210包括位于镜片安装槽211内的第一镜座内壁213和第二镜座内壁214,第一镜座内壁213位于光学镜片300的径向面上,第一镜座内壁213用于与光学镜片300相抵持,以支撑光学镜片300。第二镜座内壁214与第一镜座内壁213和第二镜座内壁214垂直连接,第二镜座内壁214可与光学镜片300间隙配合。其中,间隙配合是指具有间隙,且包括最小间隙等于零的配合。
当弹性件安装槽212与镜片安装槽211贯通时,弹性件安装槽212可以设置于第二镜座内壁214,镜座210还包括位于弹性件安装槽212内的第三镜座内壁215,第三镜座内壁215连接于第二镜座内壁214,并与第一镜座内壁213垂直连接。第一镜座内壁213和第三镜座内壁215限定形成弹性件安装槽212,第一镜座内壁213和第三镜座内壁215均与弹性件230相抵持。
镜座210可以包括镜座本体216和镜座支撑部217,镜座支撑部217凸起设置于镜座本体216,压片221固定于镜座支撑部217。
镜座本体216包括第一镜座内壁213、第二镜座内壁214和第三镜座内壁215,镜座支撑部217同样包括第三镜座内壁215,即第三镜座内壁215自镜座本体216延伸至镜座支撑部217。由此,可以增加弹性件安装槽212的深度,便于容置更大体积的弹性件230。
仍请参阅图5所示,当镜片安装槽211和弹性件安装槽212之间设置有隔离部218时,隔离部218可以与镜座支撑部217间隔设置,隔离部218与镜座支撑部217之间形成弹性件安装槽212。
图7是图2所示实施例提供的镜座的结构示意图,如图6和图7所示,弹性件安装槽212包括至少两个的弹性件安装子槽2121,至少两个的弹性件安装子槽2121沿镜片安装槽211的边缘间隔分布。由此,可以在光学镜片300的边缘布置至少两个的弹性件230对光学镜片300进行压紧,提高光学镜片300的安装稳定性。
弹性件安装子槽2121需要占用镜座210的空间,至少两个的弹性件安装子槽2121可以根据镜座210的外形轮廓设置在合理的位置,以充分利用镜座210上的空间,减小镜座210的体积大小。本实施例中,镜座本体216为矩形板状结构,弹性件安装子槽2121的数量为四个,四个弹性件安装子槽2121分别对应镜座本体216的四个角设置。相应的,镜座支撑部217的数量为四个,四个镜座支撑部217分别对应镜座本体216的四个角设置,从而可以缩小镜座本体216的外壁与位于镜片安装槽211中的内壁之间的距离,减小镜座210的体积大小。由此,光学镜片固定装置200可以适用于光学镜片重、尺寸大,光学镜片的边缘距离镜座的边缘过近,镜座的空间不足以装入镜头盖的情形下镜片的固定。
在一些实施例中,弹性件安装槽212和弹性件230也可以是环状结构,弹性件230围绕光学镜片300的整个边缘设置,从而可以从光学镜片300的整个外周压紧光学镜片300。
本实施例中,压片221的数量与弹性件安装子槽2121的数量一致,压片221与弹性件安装子槽2121一一对应设置。压片221与弹性件安装子槽2121可以根据镜座210的外形轮廓设置在合理的位置,以充分利用镜座210上的空间,减小镜座210的体积大小。
图8是本申请又一实施例提供的光学镜片固定装置的结构示意图,如图8所示,压片221可以为环形结构。光学镜片固定装置200采用一体式的压片结构可以减少压片的数量和装配工时,方便进行组装。
图9是图8所示实施例提供的光学镜片固定装置的镜座的结构示意图,结合图7和图8所示,在本实例中,镜座支撑部217也可以为环形结构,镜座支撑部217围绕镜片安装槽211的整个边缘设置,以支撑环状的压片221。至少两个的弹性件安装子槽2121可以根据实际需求设置于镜座本体216的任意位置,只要保证沿镜片安装槽211的边缘均匀分布即可。
图10是本申请实施例提供的灯具的结构示意图,请参阅图2和图10所示,灯具400包括光学镜片300和光学镜片固定装置200,光学镜片300可拆卸地设置于镜片安装槽211。
本实施例提供的灯具400可以为舞台灯、高棚灯和路灯等等,以舞台灯为例,灯具400还可以包括支架410,支架410连接于镜座210。灯具400由于采用了镜片固定装置200,通过弹性件230、镜座210和弹性件压紧组件220三者之间的过盈配合,使得镜片抵持面231可以压紧光学镜片300,通过弹性件230压紧光学镜片300,不仅能够抵御生产、运输等过程中产生的震动,避免划伤或 损坏镜片,也可以适于固定不同尺寸规格的光学镜片300,装置通用性强,且加工精度要求低,可有效降低成本。另一方面,弹性件压紧组件220可拆卸地连接于镜座210,使得光学镜片300方便拆装,便于维护。
关于光学镜片固定装置200的详细结构特征,请参考上述实施例中的详细描述。由于灯具400包括光学镜片固定装置200,因而具有光学镜片固定装置200所具有的一切有益效果,在此不再赘述。
以上所述,仅是本申请的较佳实施例而已,并非对本申请作任何形式上的限制,虽然本申请已以较佳实施例揭示如上,然而并非用以限定本申请,任何本领域技术人员,在不脱离本申请技术方案范围内,当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本申请技术方案内容,依据本申请的技术实质对以上实施例所作的任何简介修改、等同变化与修饰,均仍属于本申请技术方案的范围内。

Claims (10)

  1. 一种光学镜片固定装置,其特征在于,包括:
    镜座,设有镜片安装槽和弹性件安装槽,所述弹性件安装槽围绕所述镜片安装槽的边缘设置;
    弹性件压紧组件,可拆卸地连接于所述镜座,并覆盖至少部分所述弹性件安装槽;以及
    弹性件,设置于所述弹性件安装槽,并与所述镜座和所述弹性件压紧组件过盈配合,所述弹性件包括镜片抵持面,所述镜片抵持面朝向所述镜片安装槽。
  2. 根据权利要求1所述的光学镜片固定装置,其特征在于,所述弹性件包括弹性本体部和设于所述弹性本体部的弹性凸起部,所述弹性本体部包括第一抵持子面,所述弹性凸起部包括第二抵持子面,所述第二抵持子面连接于所述第一抵持子面,所述镜片抵持面包括所述第一抵持子面和所述第二抵持子面。
  3. 根据权利要求1或2所述的光学镜片固定装置,其特征在于,所述弹性件安装槽与所述镜片安装槽贯通。
  4. 根据权利要求2所述的光学镜片固定装置,其特征在于,所述镜座包括隔离部,所述隔离部位于所述镜片安装槽和所述弹性件安装槽之间,所述弹性本体部设有隔离部插槽,所述隔离部适配于所述隔离部插槽。
  5. 根据权利要求1所述的光学镜片固定装置,其特征在于,所述弹性件压紧组件包括压片和紧固件,所述压片覆盖至少部分所述弹性件安装槽,所述紧固件可拆卸地连接于所述压片和所述镜座。
  6. 根据权利要求5所述的光学镜片固定装置,其特征在于,所述压片的正投影位于所述镜片安装槽的范围外。
  7. 根据权利要求5所述的光学镜片固定装置,其特征在于,所述紧固件设于 所述弹性件安装槽的范围外。
  8. 根据权利要求5所述的光学镜片固定装置,其特征在于,所述弹性件安装槽包括至少两个的弹性件安装子槽,至少两个的所述弹性件安装子槽沿所述镜片安装槽的边缘间隔分布。
  9. 根据权利要求5所述的光学镜片固定装置,其特征在于,所述压片的数量与所述弹性件安装子槽的数量一致,所述压片与所述弹性件安装子槽一一对应设置。
  10. 一种灯具,其特征在于,包括光学镜片以及如权利要求1-9任一项所述的光学镜片固定装置,所述光学镜片可拆卸地设置于所述镜片安装槽。
PCT/CN2021/105898 2020-07-24 2021-07-13 光学镜片固定装置以及灯具 WO2022017219A1 (zh)

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