CN216521434U

CN216521434U - Optical assembly capable of realizing shading effect

Info

Publication number: CN216521434U
Application number: CN202122871943.XU
Authority: CN
Inventors: 蒋伟楷; 其他发明人请求不公开姓名
Original assignee: Guangzhou Haoyang Electronic Co Ltd
Current assignee: Guangzhou Haoyang Electronic Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-13
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an optical assembly capable of realizing a shading effect, which comprises a lamp panel, a light guide body, a fixed seat and a metal shading cover body, wherein the fixed seat is fixed on the lamp panel, the fixed seat is provided with a first through hole for installing the light guide body, the metal shading cover body is arranged on the end face, far away from the lamp panel, of the fixed seat and shades the end face, and the metal shading cover body is provided with a light through hole corresponding to the light guide body and an elastic piece for supporting the light guide body. According to the light guide body, the metal shading cover body is matched with the fixing seat to fix the light guide body, and the metal shading cover body shades the end face, far away from the lamp panel, of the fixing seat; the elastic piece is abutted against the light guide body, so that inelastic collision between the light guide body and the metal shading cover body can be avoided, and the light guide body is guaranteed to be fixed safely and firmly.

Description

Optical assembly capable of realizing shading effect

Technical Field

The utility model relates to the technical field of stage lighting, in particular to an optical assembly capable of achieving a shading effect.

Background

In the field of lighting technology, in order to uniformly mix light emitted from LEDs, a light guide body is generally used to mix light, and the light emitted from LEDs is reflected multiple times inside the light guide body to achieve a uniform light mixing effect, so as to form a light beam with uniform brightness and color.

In order to prevent the light guide body from falling off in the rotating process of the lamp, when the light guide body is usually fixed by matching a plastic fixing seat and a gland, the gland is abutted against the light guide body and can generate certain pressure on the light guide body, so that the gland is usually made of a plastic material, the light guide body cannot be crushed by certain elasticity, but the plastic gland is not high-temperature resistant, and local burning deformation of the plastic gland can be possibly caused when strong light is reversely emitted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect of the prior art and provides an optical assembly capable of realizing a shading effect, preventing sunlight from being burnt at high temperature and ensuring that a light guide body is safely and firmly fixed.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: the utility model provides a can realize optical assembly of shading effect, includes lamp plate, light conductor, fixing base and metal shading lid, the fixing base is fixed in the lamp plate, the fixing base is equipped with the installation the first through-hole of light conductor, the metal shading lid is installed the fixing base is kept away from on the terminal surface of lamp plate and right the terminal surface shelters from, the metal shading lid corresponds the light conductor is equipped with logical unthreaded hole, and is equipped with and supports and hold the elastic component of light conductor.

According to the metal shading cover body, the metal shading cover body is matched with the fixing seat to fix the light guide body, the metal shading cover body shades the end face, far away from the lamp panel, of the fixing seat, and the metal shading cover body is better in high-temperature resistance and better in heat transfer performance, so that local heat can be conducted to the whole body to be dissipated, and the fixing seat is prevented from being burnt due to strong light and high temperature; the elastic piece is abutted against the light guide body, so that the non-elastic collision between the light guide body and the metal shading cover body can be avoided, and the light guide body is ensured to be fixed safely and firmly.

Further, the surface of the metal shading cover body is plated with heat insulation paint. By plating the heat insulation coating, a large number of spherical ultrafine particles are attached to the surface of the metal shading cover body, and the spherical ultrafine particles are provided with a plurality of reflection points, so that strong light incident to the surface of the metal shading cover body generates high diffuse reflection, and the heat of the strong light can be dispersed, thereby playing a heat insulation effect.

Furthermore, the elastic piece is a metal elastic piece connected with the metal shading cover body. The metal elastic sheet is connected with the shading cover body, the occupied space is small, the metal elastic sheet and the metal shading cover body can be directly integrally cut and formed, and the structure is simple.

Furthermore, the metal elastic sheet comprises a connecting section and a pressing section which are connected with each other, the connecting section is connected with the inner side of the light through hole, and the pressing section presses against the light guide body. The pressing section is connected with the metal shading cover body through the connecting section, and when the metal elastic sheet is acted by an external force, the pressing section takes the connecting section as a base point and is bent along the normal direction of the metal shading cover body, so that elasticity is generated and the pressing section is elastically pressed against the light guide body.

Furthermore, the number of the metal elastic sheets is multiple, the abutting sections are arc-shaped, and the abutting sections of the multiple metal elastic sheets are sequentially opposite end to end and are annular. The pressing sections are sequentially connected end to end and are relatively annular, light emitted by the light guide body is emitted from the annular middle surrounded by the pressing sections, on one hand, the pressing sections can play a role in shielding stray light, and on the other hand, the light guide body is firmly fixed and is uniformly stressed.

Further, the elastic member is an elastic gasket or a spring, and the elastic gasket or the spring is arranged between the metal shading cover body and the light guide body. When metal shading lid or light conductor size change, elasticity gasket or spring still are applicable, and the commonality is higher.

Further, the metal shading cover body is connected with at least two connecting plates, the connecting plates are arranged along the side wall of the fixing seat and extend towards the lamp panel, and the fixing seat is locked on the fixing seat. The metal shading cover body is fixed with the fixing seat through the connecting plate and the fixing seat lock, and the elastic piece is guaranteed to always support the light guide body, so that the light guide body is fixed.

Further, the fixing base lateral wall sets up two at least convex parts, the connecting plate corresponds the convex part is equipped with the draw-in groove. The connecting plate the draw-in groove with the convex part joint, fixed mode is convenient simple.

Further, the convex part is followed the fixing base lateral wall to the direction of lamp plate, the size grow gradually. The connecting plate is guaranteed to be locked at the convex part all the time and is not easy to fall off, the clamping groove is aligned to the convex part when the connecting plate is installed, and the connecting plate can be pressed downwards along the direction of the convex part, so that the installation is convenient.

Further, still include with lamp plate relatively fixed's light screen, the light screen is equipped with the confession the fixing base passes and carries out spacing second through-hole to it. The light screen passes through the second through-hole is right the fixing base is spacing, prevents that the fixing base rocks, simultaneously the light screen can prevent that the sunlight from shining the lamp plate prevents the lamp plate high temperature burns.

Further, the metal shading cover body is connected with at least two connecting plates, the connecting plates are arranged along the side wall of the fixing seat and extend towards the lamp panel, and the tail ends of the connecting plates are fixed on the shading plate. The tail end of the connecting plate is fixed on the light screen, so that the fixing strength of the metal light-shielding cover body and the fixing seat is ensured, the fixing seat is fixed relative to the light screen, and the fixing seat is further prevented from shaking.

Furthermore, the periphery of the metal shading cover body is provided with a bending edge. Through setting up bend the limit, strengthen the intensity of metal shading lid.

Furthermore, the fixing seat is far away from the periphery of the end face of the lamp panel, and is provided with a limiting column for limiting the light guide body and/or the metal shading cover body. The light guide body is further prevented from shaking left and right in the rotation process of the lamp, and the metal shading cover body can be limited.

Drawings

Fig. 1 is an exploded view of a metal light-shielding cover, a fixing base, and a light guide according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of the metal light-shielding cover, the fixing base, and the light guide according to the first embodiment of the present invention.

Fig. 3 is a schematic view of a combination of a metal light-shielding cover, a fixing base, and a light guide according to a first embodiment of the utility model.

FIG. 4 is an assembled view of the optical structure according to the first embodiment of the present invention.

Fig. 5 is an exploded view of a metal light-shielding cover, a fixing base, and a light guide according to a second embodiment of the present invention.

FIG. 6 is an assembly diagram of an optical structure according to a second embodiment of the present invention.

Fig. 7 is a schematic view illustrating the installation of the elastic member according to the third embodiment of the present invention.

In the figure:

100. a metal light-shielding cover body; 110. a light through hole; 120. bending edges; 130. a connecting plate; 131. a card slot; 200. an elastic member; 210. a metal spring sheet; 211. a connecting section; 212. a pressing section; 300. a fixed seat; 310. a first through hole; 320. a convex portion; 330. a limiting column; 340. supporting legs; 350. supporting ribs; 400. a light guide; 410. a cylinder; 420. light homogenizing; 500. a lamp panel; 600. a visor; 610. a second via.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1 to 4, a first embodiment of the present invention is an optical assembly capable of achieving a light-shielding effect, including a lamp panel 500, a light guide 400, a fixing base 300 and a metal light-shielding cover 100, where the fixing base 300 is fixed to the lamp panel 500, the fixing base 300 is provided with a first through hole 310 for installing the light guide 400, the metal light-shielding cover 100 is installed on an end surface of the fixing base 300 away from the lamp panel 500 and shields the end surface, and the metal light-shielding cover 100 is provided with a light-passing hole 110 corresponding to the light guide 400 and an elastic member 200 for abutting against the light guide 400.

According to the light guide body 400, the metal shading cover body 100 is matched with the fixing seat 300 to fix the light guide body 400, the metal shading cover body 100 is high-temperature resistant and shields the end face, far away from the lamp panel 500, of the fixing seat 300, and the fixing seat 300 is prevented from being burnt due to high light and high temperature; the elastic member 200 abuts against the light guide 400, so that the inelastic collision between the light guide 400 and the metal light-shielding cover 100 can be avoided, and the light guide 400 is ensured to be fixed safely and firmly.

In the first embodiment of the present invention, the surface of the metal light-shielding cover 100 is plated with a thermal insulation coating. By plating the heat insulating coating, a large number of spherical ultrafine particles are attached to the surface of the metal light shielding cover body 100, and the spherical ultrafine particles have a plurality of reflection points, so that strong light incident on the surface of the metal light shielding cover body 100 generates high diffuse reflection, and the heat of the strong light can be dispersed, thereby achieving the heat insulating effect.

In the first embodiment of the present invention, the elastic element 200 is a metal elastic piece 210 connected to the metal light-shielding cover 100. The metal spring 210 is connected to the light-shielding cover, occupies a small space, and can be directly cut and formed integrally with the metal light-shielding cover 100, which is simple in structure.

Preferably, the light guide 400 includes a cylinder 410 and a light homogenizing sheet 420 connected to each other, the elastic member 200 abuts against the light homogenizing sheet 420, and the light homogenizing sheet 420 homogenizes light emitted from the cylinder 410.

Preferably, the fixing base 300 is provided with a boss abutting against the light uniformizing sheet 420, so as to facilitate the taking out of the light guide 400.

In the first embodiment of the present invention, the metal elastic sheet 210 includes a connecting section 211 and a pressing section 212 connected to each other, the connecting section 211 is connected to the inner side of the light hole 110, and the pressing section 212 presses against the light guide 400. The pressing section 212 is connected to the metal light-shielding cover 100 through the connecting section 211, and when the metal elastic sheet 210 is acted by an external force, the pressing section 212 bends along the normal direction of the metal light-shielding cover 100 with the connecting section 211 as a base point, thereby generating an elastic force to elastically press against the light guide 400.

In the first embodiment of the present invention, the number of the metal elastic sheets 210 is multiple, the pressing sections 212 are arc-shaped, and the pressing sections 212 of the metal elastic sheets 210 are sequentially in a shape of a ring from end to end. The pressing sections 212 are sequentially connected end to end and are relatively annular, light emitted by the light guide body 400 is emitted from the annular middle surrounded by the pressing sections 212, and the pressing sections 212 can play a role in shielding stray light on one hand and enable the light guide body 400 to be firmly fixed and uniformly stressed on the other hand.

Preferably, the number of the metal elastic sheets 210 is 3.

In a third embodiment of the present invention (as shown in fig. 7), the elastic member 200 is an elastic pad or spring, and the elastic pad or spring is disposed between the metal light-shielding cover 100 and the light guide 400. When the size of the metal light-shielding cover 100 or the light guide 400 is changed, the elastic gasket or the spring is still applicable, and the universality is high.

In the first embodiment of the present invention, the metal light-shielding cover 100 is connected to at least two connection plates 130, and the connection plates 130 extend along the sidewall of the fixing base 300 to the direction close to the lamp panel 500 and are locked to the fixing base 300. The metal light-shielding cover 100 is fixed to the fixing base 300 by the locking of the connecting plate 130 and the fixing base 300, and the elastic member 200 is ensured to always support the light guide 400, thereby fixing the light guide 400.

In the first embodiment of the present invention, at least two protrusions 320 are disposed on the sidewall of the fixing base 300, and the corresponding protrusion 320 of the connecting plate 130 is disposed with a slot 131. The clamping groove 131 of the connecting plate 130 is clamped with the convex part 320, and the fixing mode is convenient and simple.

In the first embodiment of the present invention, the size of the protrusion 320 gradually increases along the sidewall of the fixing base 300 toward the lamp panel 500. The connecting plate 130 is always locked on the convex part 320 and is not easy to fall off, and the clamping groove 131 is aligned to the convex part 320 when the connecting plate 130 is installed, and the connecting plate is pressed downwards along the direction of the convex part 320, so that the installation is convenient.

Preferably, the connecting plate 130 is uniformly disposed along the edge of the light-shielding cover, so that the connecting plate 130 and the fixing seat 300 are more stably fixed.

In the first embodiment of the present invention, the lighting apparatus further includes a light shielding plate 600 fixed to the lamp panel 500, and the light shielding plate 600 is provided with a second through hole 610 for the fixing base 300 to pass through and limit. The light screen 600 passes through the second through-hole 610 is right the fixing base 300 is spacing, prevents the fixing base 300 rocks, simultaneously the light screen 600 can prevent the sunlight from shining lamp plate 500 prevents lamp plate 500 high temperature burns.

Preferably, the fixing base 300 has at least three supporting legs 340, the light source is installed on the lamp panel 500, the supporting legs 340 surround the light source, and the lamp panel 500 has a positioning hole for inserting the supporting legs 340, so that the light guide 400 is positioned above the light source. Supporting legs 340 lateral wall periphery is provided with certain length along the light-emitting direction the brace 350, the light screen 600 supports and presses brace 350 to will light screen 600 with lamp plate 500 relatively fixed makes fixing base 300 is fixed in on the lamp plate 500.

In a second embodiment of the present invention (as shown in fig. 5 and 6), the metal light-shielding cover 100 is connected to at least two connection plates 130, the connection plates 130 extend along the sidewall of the fixing base 300 toward the lamp panel 500, and the ends of the connection plates are fixed to the light-shielding plate 600. The end of the connecting plate 130 is fixed to the light shielding plate 600, so that the fixing strength between the metal light shielding cover 100 and the fixing base 300 is ensured, the fixing base 300 is fixed relative to the light shielding plate 600, and the fixing base 300 is further prevented from shaking.

In the second embodiment of the present invention, the metal light-shielding cover 100 has a bending edge 120 at the periphery thereof. By providing the bent edge 120, the strength of the metal light-shielding cover 100 is enhanced.

Preferably, the end of the connection plate 130 abuts against the light shielding plate 600 and is fixed to the light shielding plate 600 by a screw, so that the fixation is firm.

Preferably, the two connecting plates 130 are symmetrically arranged and are sequentially spaced from the bending edge 120, so as to facilitate the stability of the fixing seat 300.

In the first embodiment of the present invention, the fixing base 300 is provided with a limiting post 330 for limiting the light guide 400 and/or the metal light-shielding cover 100 at the periphery of the end surface thereof away from the lamp panel 500. Further, the light guide 400 is prevented from shaking left and right during the rotation of the lamp, and the metal light-shielding cover 100 can be limited.

Preferably, an accommodating space is provided between the limiting column 330 and the light shielding cover, so that the elastic member 200 and the light guide 400 are more sufficiently abutted.

Preferably, the fixing base 300 is further provided with a plurality of hollow cavities to further dissipate heat of the fixing base 300.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims

1. The utility model provides a can realize optical assembly of shading effect, its characterized in that, includes lamp plate (500), light conductor (400), fixing base (300) and metal shading lid (100), fixing base (300) are fixed in lamp plate (500), fixing base (300) are equipped with the installation first through-hole (310) of light conductor (400), install metal shading lid (100) fixing base (300) are kept away from on the terminal surface of lamp plate (500) and right the terminal surface shelters from, metal shading lid (100) correspond light conductor (400) are equipped with logical unthreaded hole (110), and are equipped with and support and hold elastic component (200) of light conductor (400).

2. An optical assembly with a light-shielding effect according to claim 1, wherein the surface of the metal light-shielding cover (100) is coated with a thermal insulating coating.

3. An optical assembly with a light-shielding effect according to claim 1, wherein the elastic member (200) is a metal spring (210) connected to the metal light-shielding cover (100).

4. The optical assembly of claim 3, wherein the metal dome (210) includes a connecting section (211) and a pressing section (212) connected to each other, the connecting section (211) is connected to an inner side of the light hole (110), and the pressing section (212) presses against the light guide (400).

5. The optical assembly capable of shielding light according to claim 4, wherein the number of the metal elastic sheets (210) is plural, the pressing sections (212) are arc-shaped, and the pressing sections (212) of the plural metal elastic sheets (210) are sequentially opposite end to end and are annular.

6. An optical assembly with a light-shielding effect according to claim 1, wherein the elastic member (200) is an elastic pad or a spring, and the elastic pad or the spring is disposed between the metal light-shielding cover (100) and the light guide (400).

7. The optical assembly of claim 1, wherein the metal light-shielding cover (100) is connected to at least two connecting plates (130), and the connecting plates (130) extend along the side wall of the fixing base (300) toward the direction close to the lamp panel (500) and are locked to the fixing base (300).

8. An optical assembly capable of achieving a light shielding effect according to claim 7, wherein the side wall of the fixing base (300) is provided with at least two protrusions (320), and the connecting plate (130) is provided with a slot (131) corresponding to the protrusions (320).

9. The optical assembly of claim 8, wherein the protrusion (320) has a gradually increasing size along the sidewall of the fixing base (300) toward the lamp panel (500).

10. The optical assembly capable of achieving the light shielding effect according to claim 1, further comprising a light shielding plate (600) fixed opposite to the lamp panel (500), wherein the light shielding plate (600) is provided with a second through hole (610) for the fixed seat (300) to pass through and limit.

11. The optical assembly of claim 10, wherein at least two connecting plates (130) are connected to the metal light-shielding cover (100), the connecting plates (130) extend along the side wall of the fixing base (300) toward the lamp panel (500), and the ends of the connecting plates are fixed to the light-shielding plate (600).

12. An optical assembly with a light-shielding effect according to claim 1 or 10, wherein the metallic light-shielding cover (100) is provided with a bent edge (120) at its periphery.

13. The optical assembly of claim 1, wherein a limiting post (330) is disposed on a periphery of an end surface of the fixing base (300) away from the lamp panel (500) for limiting the light guide (400) and/or the metal light-shielding cover (100).