CN116066788A

CN116066788A - Lens mounting structure, optical module and lamp

Info

Publication number: CN116066788A
Application number: CN202211525579.4A
Authority: CN
Inventors: 李祥森; 何建智; 吴俊�; 王伟
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-05

Abstract

The invention provides a lens mounting structure, an optical module and a lamp. The lens mounting structure includes lens support and upper cover, and the lens support is including being annular carrier part and setting up at carrier part periphery along first connecting portion, and the upper cover is including having the annular body of tapering, be provided with on the annular body external conical surface to the lateral wall that the little end direction of annular body extends, the lateral wall outside is provided with the second connecting portion, and first connecting portion and second connecting portion cooperation are connected, and the lens is by carrier part with the lateral wall centre gripping, upper cover still third connecting portion, be used for with lens mounting structure integral erection is in the installation basis. The lens and the mounting structure form an integral optical module by mounting the lens in an independent mounting structure, so that the lens and the mounting structure are easy to assemble, disassemble and replace from the lamp. Meanwhile, the lens mounting structure is convenient to disassemble and assemble, and can conveniently replace lenses and other optical elements placed in the lens mounting structure, so that richer use experience is brought to users.

Description

Lens mounting structure, optical module and lamp

Technical Field

The invention relates to a lens mounting structure, an optical module comprising the same and a lamp.

Background

The lamp is a common electrical appliance in daily life, the requirements on the lamp are further improved along with the improvement of the water cost level, the first generation is a bulb, and the lamp is replaced by an LED lamp which is more energy-saving and environment-friendly. Aiming at the characteristics of the LED lamp, a plurality of lamp styles are developed, and the down lamp is one of the lamp styles and is taken as a novel and fashionable lamp, so that the down lamp is deeply favored by home decoration users. The down lamp usually carries out the grading through the lens, and common down lamp in the present market, lens all lock dead in the crowded shell of aluminium, unable dismouting can't adapt to the demand of user to different grading effects.

Disclosure of Invention

The invention aims to solve the problems and provides a lens mounting structure, an optical module and a lamp, wherein the lens mounting structure can be quickly assembled and disassembled and is convenient for replacing a lens.

The invention provides a lens mounting structure for realizing the functions, which is characterized in that: the lens mounting structure comprises a lens support and an upper cover, the lens support comprises an annular bearing part and a first connecting part arranged on the periphery of the bearing part, the upper cover comprises an annular body with taper, a side wall extending towards the small end direction of the annular body is arranged on the outer conical surface of the annular body, a second connecting part is arranged on the outer side of the side wall, the first connecting part is connected with the second connecting part in a matched mode, a lens is clamped by the bearing part and the side wall, and the upper cover further comprises a third connecting part used for integrally mounting the lens mounting structure on a mounting base.

Preferably, the width of the opposite sides of the sidewall is greater than the width of the small end of the annular body and less than the width of the large end of the annular body.

Preferably, the third connecting portion is provided on an outer peripheral side of the annular body or the bearing portion.

Preferably, the third connecting portion is a buckle structure.

Preferably, one of the first connecting portion and the second connecting portion is a claw, and the other is a holding portion.

Preferably, the number of the second connecting portions and the third connecting portions is more than three, and the second connecting portions and the third connecting portions are uniformly distributed along the circumferential direction of the side wall.

Preferably, the second connection portions and the third connection portions are staggered.

Preferably, the lens positioning device further comprises a lens positioning part, wherein the lens positioning part is arranged on the bearing part or the side wall, and the lens positioning part is of a sinking platform structure.

The invention also provides an optical module, which comprises a lens and is characterized in that: the optical module further comprises the lens mounting structure, the lens light incident surface is arranged on one side close to the lens support, the light emergent surface is arranged on one side close to the upper cover, the first connecting portion and the second connecting portion are matched to fixedly connect the lens support with the upper cover, the lens is clamped by the bearing portion and the side wall, and the side wall is arranged below the annular body to form a light mixing cavity.

Preferably, the optical module further comprises an optical layer, and the optical layer is a diffusion layer and/or a color optical layer arranged between the bearing part and the lens light incident surface.

The invention also provides a lamp, which comprises a light source and a shell, wherein the light source is arranged in the shell, and is characterized in that: the lamp further comprises the optical module, the shell comprises a fourth connecting portion, and the fourth connecting portion and the third connecting portion are connected in a matched mode.

Preferably, the housing includes a light outlet, and the optical module is disposed at the light outlet and is detachably connected to the housing via the light outlet.

The lens mounting structure is improved, the lens is mounted in an independent mounting structure, and the lens and the mounting structure form an integral optical module, so that the lens is easy to disassemble, assemble and replace from a lamp. Meanwhile, the lens mounting structure is convenient to disassemble and assemble, can conveniently replace lenses and other optical elements placed in the lens mounting structure, and brings richer use experience for users.

Drawings

FIG. 1 is a schematic view of a lamp in accordance with a preferred embodiment of the present application;

FIG. 2 is a cross-sectional view of the preferred embodiment lamp of FIG. 1;

FIG. 3 is an enlarged partial view of area A of FIG. 2;

FIG. 4 is a schematic view of the structure of a lens holder according to the preferred embodiment of the present application;

fig. 5 is a schematic view showing a structure of a lens holder and a cover combined according to a preferred embodiment of the present application.

Detailed Description

The lens mounting structure, the optical module and the lamp according to the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.

The lens mounting structure of the preferred embodiment is applied to the lamp shown in fig. 1 and 2. The lens mounting structure includes a lens holder 102 for carrying the lens 2 and an upper cover 101.

As shown in fig. 4, the lens holder 102 includes a carrying portion 1021, wherein the carrying portion 1021 is flat, and has a through hole for transmitting light therethrough, and is generally annular, and the lens 2 can be placed thereon. The light incident surface of the lens 2 is disposed on a side facing the carrier 1021. Referring to fig. 3, the upper cover 101 includes a tapered annular body 1011, and a side wall 1012 extending toward the small end of the annular body 1011 is provided on the outer tapered surface of the annular body 1011, and the lens 2 is held between the bearing portion 1021 of the lens holder 102 and the side wall 1012 of the upper cover 101. In order to achieve the connection of the lens holder 102 and the upper cover 101, the lens holder 102 includes a first connection part 1022 provided at an outer peripheral edge of the carrier part 1021, and the upper cover 101 includes a second connection part 1013 provided outside the sidewall 1012, and the first connection part 1022 and the second connection part 1013 are cooperatively connected.

In the present embodiment, the first connection portion 1022 and the second connection portion 1013 are connected by snap, the first connection portion 1022 is a claw extending from the carrying portion 1021 toward the upper cover 101, and the second connection portion 1013 is a fastening portion, specifically, a bump disposed outside the sidewall 1012 of the upper cover 101. A plurality of claws as the first connecting portion 1022 and three or more projections as the second connecting portion 1013 are provided. The lens holders 102 and the upper cover 101 are arranged in a one-to-one correspondence, and are uniformly arranged on the outer peripheral sides thereof. In order to prevent the claw as the first connecting portion 1022 and the protrusion as the second connecting portion 1013 from being disconnected, in this embodiment, a ring of annular wall 1024 extends from the outer periphery of the carrying portion 1021 toward the upper cover 101, and flanges 1023 are provided on the inner walls of the annular wall 1024 on both sides of the first connecting portion 1022. When the first connecting portion 1022 and the second connecting portion 1013 are connected by snap, the flanges abut on two sides of the protrusion serving as the second connecting portion 1013, so as to limit the circumferential rotation of the upper cover 101 relative to the lens holder 102.

In other embodiments, the second connection part 1013 may be a clamping groove provided on the sidewall 1012 of the upper cover 101, so that the first connection part 1022 and the second connection part 1013 may not be separated even if the circumferential limiting structure is not provided. In other preferred embodiments, the second connection part 1013 may be provided in the form of a claw, and the outer peripheral edge of the side of the carrier 1021 facing away from the lens 2 may be provided as the first connection part 1022. In addition, the lens holder 102 and the upper cover 101 may be connected by a snap-fit connection. The first and

second connection parts

1022 and 1013 may be screw segments provided at the lens holder 102 and the upper cover 101, respectively, when the two are screw-coupled. When the connection is made using a screw or the like, the first connection part 1022 and the second connection part 1013 may be through holes. When an adhesive method is used, the first and

second connection parts

1022 and 1013 may be adhesive surfaces. The present application is not limited in this regard.

Generally, the size of the lens 2 will be smaller than the larger end of the tapered annular body 1011 of the upper cover 101. Thus, in this embodiment, the width of the opposite sides of the sidewall 1012 is greater than the width of the small end of the annular body 1011 and less than the width of the large end of the annular body 1011. That is, the side wall 1012 extends from the middle part of the outer tapered surface of the annular body 1011 toward the lens holder 102. The side wall 1012 is smaller in width than the large end of the annular body 1011 and can be matched with the periphery of the lens 2 to fully press the lens. At this time, the side wall 1012 forms a light mixing cavity below the annular body 1011, and the small end of the annular body 1011 is a light outlet of the light mixing cavity, and the width of the side wall 1012 is larger than the small end of the annular body 1011, so that glare can be effectively avoided. Meanwhile, the frustum shape of the annular body 1011 forms a reflector, and can carry out secondary light distribution on the light entering from the small end of the annular body 1011.

In order to facilitate the clamping, the lens 2 is provided with a convex rim 201 on the outer peripheral side of its mounting surface, and the bearing portion 1021 of the lens holder 102 and the side wall 1012 of the upper cover 101 abut against opposite sides of the convex rim 201, respectively. In order to limit the lateral displacement of the lens, a lens positioning portion 1015 may be provided on the carrier portion 1021 or the sidewall 1012. In the present embodiment, the lens positioning portion 1015 is a countersunk platform provided inside the port of the sidewall 1012 of the upper cover 101, and the step surface thereof abuts against the upper surface of the flange 201. In other preferred embodiments, a countersink may be provided on the carrier 1021, which matches the outer circumference of the flange 201, with the flange 201 being provided therein. Of course, in other preferred embodiments, the side wall 1012 may be provided with a positioning protrusion, and the lens 2 may be provided with a recess structure matched with the positioning protrusion, or the lens may be fixed by a screw or an adhesive, which is not limited in this application.

The lens 2 is placed between the lens holder 102 and the upper cover 101, and the lens holder and the upper cover are snap-coupled by the first coupling part 1022 and the second coupling part 1013 to form an optical module 1, the external structure of which is shown in fig. 5. The optical module 1 may be arranged in a luminaire as shown in fig. 1, the optical module 1 being connected as a whole to the housing 6 of the luminaire during the mounting and dismounting of the luminaire. The lens mounting structure thus further includes a third connecting portion 1014, by which the optical module 1 is mounted to the housing 6 as a mounting base. In the present embodiment, the third connecting portion 1014 is provided on the outer peripheral side of the annular body 1011 of the upper cover 101, and may be provided on the lens holder 102 in other embodiments. In this embodiment, the third connecting portion 1014 is a claw structure, the housing 6 of the lamp is provided with a fourth connecting portion 601 corresponding to the third connecting portion 1014, the fourth connecting portion 601 is a clamping groove, and the third connecting portion and the fourth connecting portion are in snap connection. The third connecting portion 1014 includes three or more claws, and their side walls 1012 are uniformly arranged circumferentially. In order to avoid interference with the second connection part 1013, the second connection part 1013 and the third connection part 1014 are staggered.

As shown in fig. 1, 2, 3, and 5, the optical module 1 includes a lens holder 102, an upper cover 101, and a lens 2 interposed between the upper covers 101 of the lens holder 102. The light incident surface of the lens 2 is disposed on a side close to the lens holder 102, the light emergent surface is disposed on a side close to the upper cover 101, and the side wall 1012 forms a light mixing cavity below the annular body 1011. The lens holder 102 and the upper cover 101 are integrally connected and fixed by the first connection portion 1021 and the second connection portion 1013. When the lens in the optical module 1 needs to be replaced, the lens mounting structure can be conveniently opened, and the lens 2 is taken out for replacement, so that the application range of the optical module 1 is wider.

In addition to the lenses, a diffusion layer 3 and a color optical layer 4 are sequentially provided between the bearing portion 1021 and the light incident surface of the lens 2 in this embodiment. Only one of the two may be provided in other embodiments. The diffusion layer 3 can make the light softer, and the blurring degree of the light spots can be adjusted by replacing the diffusion layer 3. The color optical layer 4 can generate various effects such as afterglow, candelabra and the like, and can generate various colors such as myriad thousand red and the like by replacing the color optical layer, so that a user can have various experiences. The optical module 1 provided by the application can be conveniently added or replaced with the diffusion layer 3 and the color optical layer 4.

The lamp in the embodiment of fig. 1 is a down lamp, which comprises a housing 6, and a light source 5 is arranged in the housing 6. The light source 5 includes a substrate 501 and LED beads 502 provided on the substrate 501. The shell 6 is cylindrical, and the port of the side facing the LED lamp beads 502 is the light outlet of the lamp. A fourth connection portion 601 is provided on the inner side wall of the housing 6. After the optical module 1 is assembled, the optical module enters the inside of the housing 6 through the light inlet, and is fixedly connected with the fourth connecting portion 601 through the third connecting portion 1014. The third connecting portion 1014 and the fourth connecting portion 601 are detachable connecting structures, in this embodiment, snap-fit connecting structures, and in other preferred embodiments, they may be threaded connecting structures, or they may be connected by screws, magnetic attraction, or adhesion, which is not limited in this application. The optical module 1 is installed through the light outlet of the lamp, so that the optical module 1 can be replaced without being detached after the lamp is installed on a roof, a wall surface and the like.

The foregoing description of the preferred embodiments of the present application is for the purpose of illustration and description and is not intended to be exhaustive or to limit the application to the precise form disclosed, and obviously many modifications and variations are possible which may be apparent to those skilled in the art and are intended to be included within the scope of the application as defined by the appended claims.

Claims

1. A lens mounting structure, characterized in that: the lens mounting structure comprises a lens support and an upper cover, the lens support comprises an annular bearing part and a first connecting part arranged on the periphery of the bearing part, the upper cover comprises an annular body with taper, a side wall extending towards the small end direction of the annular body is arranged on the outer conical surface of the annular body, a second connecting part is arranged on the outer side of the side wall, the first connecting part is connected with the second connecting part in a matched mode, a lens is clamped by the bearing part and the side wall, and the upper cover further comprises a third connecting part used for integrally mounting the lens mounting structure on a mounting base.

2. The lens mounting structure of claim 1, wherein: the width of the opposite sides of the side wall is greater than the width of the small end of the annular body and less than the width of the large end of the annular body.

3. The lens mounting structure of claim 2, wherein: the third connecting portion is disposed on an outer peripheral side of the annular body or the bearing portion.

4. A lens mounting structure according to claim 3, wherein: the third connecting part is of a buckle structure.

5. The lens mounting structure of claim 4, wherein: one of the first connecting part and the second connecting part is a claw, and the other is a buckling part.

6. The lens mounting structure of claim 5, wherein: the number of the second connecting parts and the third connecting parts is more than three, and the second connecting parts and the third connecting parts are uniformly distributed along the circumferential direction of the side wall.

7. The lens mounting structure of claim 6, wherein: the second connecting parts and the third connecting parts are arranged in a staggered mode.

8. The lens mounting structure of any one of claims 1-7, wherein: the lens positioning part is arranged on the bearing part or the side wall, and the lens positioning part is of a sinking platform structure.

9. An optical module, comprising a lens, characterized in that: the optical module further comprises a lens mounting structure according to any one of claims 1 to 8, wherein the lens light incident surface is arranged on one side close to the lens support, the light emergent surface is arranged on one side close to the upper cover, the first connecting portion and the second connecting portion are matched to fixedly connect the lens support and the upper cover, the lens is clamped by the bearing portion and the side wall, and the side wall forms a light mixing cavity below the annular body.

10. The optical module of claim 9, wherein: the optical module further comprises an optical layer, wherein the optical layer is a diffusion layer and/or a color optical layer arranged between the bearing part and the lens light incident surface.

11. The utility model provides a lamps and lanterns, includes light source and casing, the light source sets up in the casing, its characterized in that: the light fixture further comprises an optical module according to claim 9 or 10, wherein the housing comprises a fourth connecting portion, and the fourth connecting portion and the third connecting portion are connected in a matching manner.

12. A light fixture as recited in claim 11, wherein: the shell comprises a light outlet, and the optical module is arranged at the light outlet and can be detachably connected with the shell through the light outlet.