WO2021259214A1

WO2021259214A1 - Thin waterproof clean lamp

Info

Publication number: WO2021259214A1
Application number: PCT/CN2021/101355
Authority: WO
Inventors: 张防政
Original assignee: 东莞中工通明光电科技有限公司
Priority date: 2020-06-22
Filing date: 2021-06-21
Publication date: 2021-12-30
Also published as: CN111578186A

Abstract

A thin waterproof clean lamp, comprising a frame body (1), and a diffusion plate (2), a light guide plate (3), a foam layer (4), and a back plate (5) that are sequentially stacked in an inner side portion of the frame body (1). The frame body (1) is provided with a compression portion (11) used for abutting against the diffusion plate (2); a sealant (6) is provided between the compression portion (11) and the diffusion plate (2); the inner side portion of the frame body (1) is provided with an LED light strip assembly (8) aligned with the light guide plate (3); the peripheral side of the back plate (5) is bent to form an insertion portion (51), and the insertion portion (51) is embedded in an accommodating cavity (13) of the frame body (1); a second clamping hook (52) of the insertion portion (51) and a first clamping hook (14) in the accommodating cavity (13) are clamped in conjunction with each other, so that a fixed connection between the back plate (5) and the frame body (1) can be achieved. The clean lamp is not affected by a compression screw in the thickness direction, so that waterproof plates in the existing clean lamps can be removed, the overall thickness can be made thin, and the assembly is more convenient.

Description

A thin waterproof clean lamp

Technical field

The invention relates to the technical field of clean lamps, in particular to a thin waterproof clean lamp.

Background technique

The clean lamp is a kind of lamp used for clean lighting of food, medicine, electronics, and workshops. It combines energy-saving lamps with the environmental protection function of purifying air and removing pollution, and is widely liked by people. The existing clean light generally includes a frame body and a diffuser plate, a light guide plate and a back plate which are sequentially stacked on the inner side of the frame body. , There will be a gap where the screws pass through the back plate, so it is also necessary to install a waterproof plate on the side of the back plate away from the diffuser, and the side of the waterproof plate and the frame are sealed with glue.

technical problem

Because the head of the screw stays on the outside of the back plate and the waterproof plate has a certain thickness, the thickness of the existing clean lamp is thick, and the sealing effect is not good, and it is difficult to meet the high requirements of dustproof, waterproof and anti-corrosion.

Technical solutions

A thin waterproof clean lamp is provided, which comprises a frame body and a diffuser plate, a light guide plate, a foam layer and a back plate which are sequentially stacked on the inner side of the frame body. Sealant is provided between the diffuser and the diffuser, the inner side of the frame is provided with an LED light strip assembly aligned with the light guide plate; the frame is formed with a storage cavity, and the cavity wall of the storage cavity is provided with a first hook. The side bends to form a plug-in portion embedded in the receiving cavity, the plug-in portion is provided with a second hook, and the second hook and the first hook are locked in cooperation, and a waterproof glue is provided between the plug-in portion and the frame. , So that the frame body, the back plate and the diffuser plate enclose a sealed cavity, and the side of the diffuser plate, the side of the light guide plate, the side of the foam layer and the LED light strip assembly are located in the sealed cavity.

As a further improvement of the thin waterproof clean lamp of the present invention, the plug-in portion has elasticity, and the receiving cavity is provided with an inclined guide surface, so that the plug-in portion is inserted into the light along the guide surface. The accommodating cavity simultaneously drives the second hook to be gradually shifted into the first hook.

As a further improvement of the thin waterproof clean lamp of the present invention, the plug-in portion of the back plate is stamped and formed with a plurality of elastic pieces, and the plurality of elastic pieces are used as the second hooks.

As a further improvement of the thin waterproof clean lamp of the present invention, the frame body is formed with two sets of positioning protrusions, the sealant and the waterproof glue are respectively provided with positioning grooves, and the two sets of positioning protrusions are respectively embedded in the corresponding In the positioning slot.

As a further improvement of the thin waterproof clean lamp of the present invention, the sealant is provided with elastic protrusions, the end of the diffuser plate is provided with a sealing groove, and the elastic protrusions are embedded in the sealing groove.

As a further improvement of a thin waterproof clean lamp of the present invention, the LED light strip assembly includes an aluminum substrate and a plurality of wicks, the aluminum substrate is embedded in the frame, and the multiple wicks are along the length direction of the aluminum substrate. Arranged, and the plurality of lamp beads are aligned with the side of the light guide plate.

As a further improvement of the thin waterproof clean lamp of the present invention, the inner side of the frame body is provided with a limiting groove for installing an aluminum substrate.

Beneficial effect

Compared with the prior art, the thin waterproof clean lamp of the present invention is formed by bending the peripheral side of the back plate to form a plug-in portion, which is embedded in the housing cavity of the frame. The first hook is matched and locked, so that the fixed connection between the back plate and the frame body is realized. The back plate and the frame body adopt a clamping method. Compared with the traditional structure of fixing the back plate by pressing screws, the present invention The clean lamp is not affected by the compression screw in the thickness direction. Furthermore, because the frame, the back plate and the diffuser plate are enclosed in a sealed cavity, the waterproof plate in the existing clean lamp can be eliminated, and the overall thickness can be made thinner. The assembly is more convenient and the waterproof level is improved.

In addition, because the waterproof plate can be eliminated, the distance between the back plate and the diffuser plate can be greater when the thickness of the existing clean lamp is the same, that is, the width of the aluminum substrate of the LED light strip assembly can be made Larger, can improve the heat dissipation effect, reduce the voltage drop, and increase the service life.

Description of the drawings

Fig. 1 is a schematic diagram of the structure of a thin waterproof clean lamp in an embodiment.

Fig. 2 is an exploded view of the thin waterproof clean lamp in the embodiment.

Fig. 3 is a partial cross-sectional view of the thin waterproof clean lamp in the embodiment.

Reference signs:

Frame body 1, pressing portion 11, limiting groove 12, receiving cavity 13, first hook 14, guide surface 15, positioning protrusion 16; diffuser 2, light guide plate 3, foam layer 4; back plate 5, The plug-in portion 51, the second hook 52; the sealant 6, the elastic protrusion 61, and the waterproof glue 7; the LED light strip assembly 8, the aluminum substrate 81, and the wick 82.

The best mode of the present invention

The present invention will be described in detail below in conjunction with specific embodiments and drawings.

The thin waterproof clean lamp of this embodiment, as shown in Figures 1 to 3, includes a rectangular aluminum frame body 1 and a diffuser plate 2, a light guide plate 3, and a foam layer 4 that are sequentially stacked on the inner side of the frame body 1. And the back plate 5, the frame body 1 is provided with a pressing part 11 for resisting the diffuser plate 2, and a sealant 6 is arranged between the pressing part 11 and the diffuser plate 2, and the sealant 6 is preferably a sealing rubber strip. The inner side of the frame 1 is provided with an LED light strip assembly 8. The LED light strip assembly 8 includes two aluminum substrates 81 and multiple wicks 82. The two aluminum substrates 81 are respectively embedded in both sides of the frame 1, and the multiple wicks 82 are arranged along the length direction of the aluminum substrate 81, and a plurality of lamp beads are aligned with the side of the light guide plate 3, and the inner side of the frame body 1 is provided with a limiting groove 12 for installing the aluminum substrate 81. The frame 1 is formed with a storage cavity 13, the cavity wall of the storage cavity 13 is provided with first hooks 14, the surrounding sides of the back plate 5 are bent to form an insertion portion 51 embedded in the storage cavity 13, and the insertion portion 51 is provided with a corresponding Cooperating with the second hook 52 that clamps the first hook 14, a waterproof glue 7 is provided between the insertion portion 51 and the frame 1, and the waterproof glue 7 is preferably coated liquid glue. The waterproof glue 7 makes the frame 1, the back plate 5 and the diffuser plate 2 enclose a sealed cavity. The sides of the diffuser plate 2, the light guide plate 3, the foam layer 4 and the LED light strip assembly 8 are located in the sealed cavity. In the cavity. In practice, the waterproof glue 7 can be changed to be arranged at the bottom of the receiving cavity 13, that is, at the end of the plug-in portion 15.

Compared with the prior art, the thin waterproof clean lamp of this embodiment is formed by bending the peripheral side of the back plate 5 to form a plug-in portion 51, which is embedded in the housing cavity 13 of the frame 1, and the second card of the plug-in portion 51 The hook 52 cooperates with the first hook 14 in the receiving cavity 13 to be locked, so that the fixed connection between the back plate 5 and the frame body 1 is realized. In the structure, the back plate 5 is fixed by the compression screw. The clean lamp of the present invention is not affected by the compression screw in the thickness direction. Furthermore, since the frame body 1, the back plate 5 and the diffuser plate 2 are enclosed in a sealed cavity, the present invention can be eliminated. With the waterproof board in the clean lamp, the overall thickness can be made thinner, the assembly is more convenient, and the waterproof level is greatly improved.

In addition, because the waterproof plate can be eliminated, the distance between the back plate 5 and the diffuser plate 2 can be greater when the thickness of the existing clean lamp is the same, that is, the aluminum substrate 81 of the LED light strip assembly 8 The width can be made larger, which can improve the heat dissipation effect, reduce the voltage drop, and increase the service life.

In this embodiment, the insertion portion 51 has a certain degree of elasticity, and the receiving cavity 13 is provided with an inclined guide surface 15 so that the insertion portion 51 is inserted into the receiving cavity 13 along the guide surface 15 while driving the second hook 52 gradually. The offset snaps into the first hook 14 for easy assembly.

In this embodiment, the insertion portion 51 of the back plate 5 is stamped and formed with a plurality of elastic pieces, and the plurality of elastic pieces are used as the second hook 52. In practice, the first hook 14 and/or the second hook 52 may be additionally provided For other forms of clamping members, as long as the plug-in portion 51 is inserted into the receiving cavity 13 and then clamped and fixed.

In this embodiment, the frame body 1 is formed with two sets of positioning protrusions 16, the sealant 6 and the waterproof glue 7 are respectively provided with positioning grooves, and the two sets of positioning protrusions 16 are respectively embedded in the corresponding positioning grooves, which can align the sealant 6 and The waterproof glue 7 is positioned to ensure the sealing effect.

In this embodiment, the sealant 6 is provided with elastic protrusions 61, the end of the diffuser 2 is provided with a sealing groove, and the elastic protrusions 61 are embedded in the sealing groove. The contact area is increased, and the waterproof sealing effect between the frame 1 and the diffuser 2 is improved.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand The technical solution of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the present invention.

Claims

A thin waterproof clean lamp, comprising a frame body and a diffuser plate, a light guide plate, a foam layer and a back plate that are sequentially stacked on the inner side of the frame body. The frame body is provided with a pressing part for resisting the diffuser plate, and the pressing part Sealant is provided between the diffuser and the diffuser, and the inner part of the frame is provided with an LED light strip assembly aligned with the light guide plate; the feature is that the frame is formed with a storage cavity, and the cavity wall of the storage cavity is provided with a first hook and a back The peripheral side of the board is bent to form a plug-in portion embedded in the receiving cavity, the plug-in portion is provided with a second hook, and the second hook is engaged with the first hook to be clamped, and the plug-in portion and the frame are provided There is waterproof glue, so that the frame, the back plate and the diffuser plate are enclosed in a sealed cavity, and the sides of the diffuser plate, the side of the light guide plate, the side of the foam layer and the LED light strip assembly are located in the sealed cavity.
A thin waterproof clean lamp according to claim 1, characterized in that: the plug-in portion has elasticity, and the receiving cavity is provided with an inclined guide surface, so that the plug-in portion moves along the When the guide surface is inserted into the receiving cavity, the second hook is gradually shifted and locked into the first hook at the same time.
The thin waterproof clean lamp according to claim 1, characterized in that: the inserting part of the back plate is stamped and formed with a plurality of elastic pieces, and the plurality of elastic pieces are used as the second hooks.
A thin waterproof clean lamp according to claim 1, characterized in that: the frame body is formed with two sets of positioning protrusions, the sealant and the waterproof glue are respectively provided with positioning grooves, and the two sets of positioning protrusions They are respectively embedded in the corresponding positioning grooves.
The thin waterproof clean lamp according to claim 1, wherein the sealant is provided with elastic protrusions, the end of the diffuser plate is provided with a sealing groove, and the elastic protrusions are embedded in the sealing groove middle.
The thin waterproof clean lamp according to claim 1, characterized in that: the LED light strip assembly includes an aluminum substrate and a plurality of wicks, the aluminum substrate is embedded in the frame, and the plurality of wicks are arranged along the aluminum The substrate is arranged in the length direction, and the plurality of lamp beads are aligned with the side of the light guide plate.
The thin waterproof clean lamp according to claim 6, characterized in that: the inner side of the frame body is provided with a limiting groove for installing the aluminum substrate.