CN220321166U

CN220321166U - Panel light backplate and panel light

Info

Publication number: CN220321166U
Application number: CN202322080639.2U
Authority: CN
Inventors: 许振华
Original assignee: Haining Boda Water Heater Co ltd
Current assignee: Haining Boda Water Heater Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-09
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a panel lamp backboard and a panel lamp, which belong to lighting lamps, wherein the panel lamp backboard comprises an integrally formed backboard body, and the backboard body is provided with an installation cavity with an open upper part; the upper part of the side wall of the installation cavity is provided with a clamping groove for clamping with the edge of the diffusion plate, the opening of the clamping groove faces the installation cavity, and the clamping groove is provided with an upper wall plate and a lower wall plate which are opposite up and down; the upper wall plate or/and the lower wall plate is provided with a protruding structure protruding towards the inside of the clamping groove, and the protruding structure has elasticity in the up-down direction. The panel lamp back plate clamping device is reasonable in structural design, the diffusion plate can be reliably mounted on the panel lamp back plate and limited to move when being mounted and used, and the power line can be effectively clamped through the panel lamp back plate clamping device so as to be prevented from loosening, so that the panel lamp back plate clamping device is good in practicability and popularization.

Description

Panel light backplate and panel light

Technical Field

The utility model relates to the field of structural design of lighting lamps, in particular to a panel light backboard and a panel light using the backboard.

Background

The LED panel lamp has the advantages of soft and comfortable light without losing brightness, capability of effectively relieving eyestrain and the like, and is widely applied to the field of indoor illumination.

Patent document CN 219102756U discloses a direct type panel lamp comprising: the frame is formed by splicing a plurality of frame strips, and the frame strips are of a hollow structure and are provided with cavities which extend along the length direction and are circumferentially closed; the edge of the light-transmitting diffusion plate is lapped on the frame; the backboard is of a shell-shaped structure, the edge of the backboard is connected with the frame through a fastener, and the edge of the backboard is elastically abutted against the diffusion plate to enable the edge of the backboard to be abutted against the frame, and one end of the fastener penetrates through the backboard from the outside and is hidden in the cavity. The back plate in the above patent document is fixedly connected with the frame through a plurality of fasteners so as to fix the diffusion plate between the frame and the edge of the back plate, and the frame is spliced by a plurality of frame strips.

To this, through setting up the card in some current panel light backplate and holding the groove at the inner periphery, the card holds the groove and has the opening towards backplate inner chamber direction, thereby through with the diffuser plate periphery by the opening card go into the card hold the inslot realize the diffuser plate with the connection of backplate, so can save the frame, need not to use the screw fixation moreover to simplified product structure, reduced manufacturing cost. However, in actual production, the width of the clamping groove in the up-down direction is larger than the thickness of the diffusion plate, so that the diffusion plate can move when being mounted on the back plate, and the quality of the panel lamp can be affected; in order to prevent the diffusion plate from moving in some existing panel lamps, glue is injected into the clamping groove to bond and fix the diffusion plate through the glue, however, the implementation difficulty of the scheme is high, and the glue is easy to leave offset printing on the surface of the diffusion plate.

In view of the above, the utility model aims to provide a panel light backboard with reasonable structure and a panel light using the panel light backboard, which have reasonable structural design, and the backboard and the diffusion plate can form close fit with each other after being assembled so as to prevent the diffusion plate from moving relative to the backboard.

The technical scheme for realizing the purpose of the utility model is as follows:

in one aspect, the utility model provides a panel light backboard, comprising an integrally formed backboard body, wherein the backboard body is provided with an installation cavity with an open upper part; a clamping groove for clamping with the edge of the diffusion plate is formed in the upper opening position of the side wall of the installation cavity, the opening of the clamping groove faces the installation cavity, and the clamping groove is provided with an upper wall plate and a lower wall plate which are opposite up and down; the upper wall plate or/and the lower wall plate is/are provided with a protruding structure protruding towards the inside of the clamping groove, and the protruding structure has elasticity in the up-down direction.

In a preferred scheme, the protruding structure is a spring sheet formed by stamping corresponding parts on the upper wall plate or/and the lower wall plate, and the tail end of the spring sheet extends obliquely towards the direction away from the opening.

In a preferred scheme, a threading hole through which the power line passes is formed in the inner wall of the installation cavity, and a wire clamping component for clamping the power line is arranged outside the backboard body at the threading hole.

In a preferred scheme, the wire clamping assembly comprises a fixed clamping block fixedly connected with the backboard body and a movable clamping block connected with the fixed clamping block, wherein the movable clamping block is connected with the fixed clamping block through a buckling structure, and a wire clamping space for clamping a power wire is formed between the movable clamping block and the fixed clamping block.

In a preferred scheme, the bottom of the fixed clamping block is provided with a buckle, and the backboard body is provided with a clamping hole matched with the buckle in a clamping way.

In a preferred scheme, the movable clamping block moves towards and away from the fixed clamping block so as to change the size of the wire clamping space;

two sides of one of the fixed clamping block and the movable clamping block are respectively provided with a limiting slot, two sides of the other one of the fixed clamping block and the movable clamping block are respectively provided with a limiting inserting column, and the two limiting inserting columns are respectively inserted into the corresponding limiting slots;

the buckling structure comprises a first clamping position, a second clamping position and a third clamping position, wherein the first clamping position and the second clamping position are arranged on the inner wall of each limiting slot at intervals, the third clamping position is arranged on the limiting inserting column, the movable clamping block is limited at a preassembly position when being buckled with the first clamping position, the movable clamping block is limited at a wire clamping position when being buckled with the second clamping position, and the size of the wire clamping space is larger than that of the movable clamping block at the wire clamping position when the movable clamping block is in the preassembly position.

In another aspect, the present utility model provides a panel light comprising a panel light back panel as described above.

The utility model has the positive effects that: the utility model realizes installation by clamping the edge of the diffusion plate into the clamping groove on the back plate, has simple structure, and in order to prevent the diffusion plate from moving relative to the back plate, the lower wall plate of the clamping groove is provided with the protruding structure protruding towards the inside of the clamping groove, and the protruding structure has elasticity in the up-down direction, so that the diffusion plate can be elastically supported through the protruding structure after the edge of the diffusion plate is clamped into the clamping groove, so that the diffusion plate can keep abutting with the upper wall plate, the diffusion plate can be prevented from moving relative to the back plate to a great extent, and meanwhile, the gap between the diffusion plate and the upper wall plate can be eliminated when the diffusion plate keeps abutting, and dust is prevented from entering the panel lamp; the protruding structure quantity can set up a plurality ofly to guarantee to the effectual holding power of diffuser plate, adopt this kind of structure to limit the diffuser plate 5 in addition also can avoid producing offset printing on the diffuser plate.

Drawings

These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view of a back panel of a panel light according to the present utility model;

FIG. 2 is a top view of the back panel of the panel light of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a schematic view of a wire clamping assembly according to the present utility model;

FIG. 6 is a side view of the wire clamping assembly of the present utility model;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6, with the movable clamp block in a pre-assembled position;

FIG. 8 is a cross-sectional view of the wire clamping assembly of the present utility model with the movable clamp block in a clamped condition;

FIG. 9 is a block diagram of a movable clamp block according to the present utility model;

FIG. 10 is a block diagram of a fixing clip of the present utility model;

FIG. 11 is a block diagram of a panel light according to the present utility model;

fig. 12 is a partial cross-sectional view of a portion of a panel light according to the present utility model where a diffusion plate engages with a holding groove.

The reference numerals shown in the figures are: 1-a backboard body; 11-a mounting cavity; 12-clamping grooves; 121-an upper wall plate; 122-lower wall plate; 123-raised structures; 13-threading holes; 14-clamping holes; 2-fixing the clamping blocks; 21-a buckle; 22-limit slots; 23-a first clamping position; 24-second clamping position; 3-movable clamping blocks; 31-limiting plug posts; 32-a third clamping position; 4-a wire clamping space; 5-diffusion plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.

Example 1 Panel light backboard

As shown in fig. 1 to 10, the panel light back plate in the present embodiment includes a back plate body 1 integrally formed, the back plate body 1 having a mounting cavity 11 with an open upper portion; a clamping groove 12 for clamping with the edge of the diffusion plate 5 is formed in the upper opening position on the side wall of the installation cavity 11, the opening of the clamping groove 12 faces the installation cavity 11, the clamping groove 12 is provided with an upper wall plate 121 and a lower wall plate 122 which are opposite up and down, and the edge of the diffusion plate 5 is clamped into the clamping groove 12 through the opening during assembly; in order to prevent the diffusion plate 5 from moving relative to the back plate, a protruding structure 123 protruding towards the inside of the clamping groove 12 is arranged on the upper wall plate 121 of the clamping groove 12, and the protruding structure 123 has elasticity in the up-down direction, so that after the edge of the diffusion plate 5 is clamped into the clamping groove 12, the protruding structure 123 can form elastic support for the diffusion plate 5, so that the diffusion plate 5 can keep abutting against the upper wall plate 121, the diffusion plate 5 can be limited to move relative to the back plate to a great extent, and meanwhile, when the diffusion plate 5 keeps abutting against the upper wall plate 121, gaps between the diffusion plate 5 and the upper wall plate 121 can be eliminated, and dust is prevented from entering the panel light; the number of the protruding structures 123 may be plural, so as to ensure an effective supporting force for the diffusion plate 5, and the limit of the diffusion plate 5 by adopting such a structure can avoid offset printing on the diffusion plate 5. As another modified embodiment, the protruding structure 123 may be provided on the lower wall plate 122; alternatively, the raised structures 123 may be provided on both the upper wall plate 121 and the lower wall plate 122.

Further, referring to fig. 4, the protruding structure 123 is a spring plate formed by stamping a corresponding portion of the upper wall plate 121 or/and the lower wall plate 122, and the end of the spring plate extends obliquely away from the opening, so that the spring plate can be inserted into the holding slot without being blocked when the edge of the diffusion plate 5 is inserted.

Since the punched holes are correspondingly formed when the elastic sheets are punched, dust enters the flat lamp from the punched holes in actual use, the convex structures are only arranged on the upper wall plate 121, and the diffusion plate 5 is pressed downwards by the convex structures to be in contact with the lower wall plate 122, so that dust entering the clamping groove from the punched holes can be blocked by the diffusion plate 5, and the dust can be prevented from entering the mounting cavity; of course, in order to prevent dust from entering when the elastic sheet is arranged on the lower wall plate 122, the punching hole can be shielded by arranging a shielding (such as an adhesive tape) outside.

Still further, as shown in fig. 2, a threading hole 13 through which the power line passes is provided on the inner wall of the installation cavity 11, a wire clamping component for clamping the power line is provided outside the back plate body 1 at the threading hole 13, and the structure of the wire clamping component is shown in fig. 5 to 10, and the power line is clamped by the wire clamping component, so that the external force applied to the power line is resisted, and the connection looseness of the power line and the light bar in the installation cavity is avoided.

More specifically, the wire clamping assembly comprises a fixed clamping block 2 fixedly connected with the backboard body 1 and a movable clamping block 3 connected with the fixed clamping block 2, wherein the movable clamping block 3 is connected with the fixed clamping block 2 through a fastening structure and forms a wire clamping space 4 for clamping a power wire between the movable clamping block 3 and the fixed clamping block 2, and the power wire is clamped in the wire clamping space 4 through the cooperation of the fixed clamping block 2 and the movable clamping block 3 in use.

As shown in fig. 10, in order to facilitate the installation of the wire clamping assembly, in this embodiment, the bottom of the fixing clamping block 2 is provided with two or more buckles 21 (four buckles 21 are shown in fig. 10), the back plate body 1 is provided with a clamping hole 14 matched with the buckles 21 in a clamping manner, and the fixing clamping block 2 is fixed on the back plate body 1 by clamping the buckles 21 into the clamping hole 14.

Referring specifically to fig. 5 to 10, in this embodiment, the movable clamping block 3 is further configured to move toward and away from the fixed clamping block 2, so as to change the size of the wire clamping space 4; the two sides of the fixed clamping block 2 are respectively provided with a limiting slot 22, the two sides of the movable clamping block 3 are respectively provided with a limiting inserting column 31, and the two limiting inserting columns 31 are respectively inserted into the corresponding two limiting slots 22; the fastening structure comprises a first clamping position 23, a second clamping position 24 and a third clamping position 32, wherein the first clamping position 23 and the second clamping position 24 are arranged on the inner wall of each limiting slot 22 at intervals, the third clamping position 32 is arranged on the limiting inserting column 31, the movable clamping block 3 is limited at a preassembly position when being fastened with the first clamping position 23, the movable clamping block 3 is limited at a clamping line position when the third clamping position 32 is fastened with the second clamping position 24, and the size of the clamping line space 4 of the movable clamping block 3 at the preassembly position is larger than that of the clamping line space 4 of the movable clamping block 3 at the clamping line position; by adopting the structure, before the power line is penetrated, the movable clamping block 3 is kept at the preassembly position, the size of the line clamping space 4 is larger at the moment, the power line can conveniently penetrate, after the power line is penetrated, the movable clamping block 3 is pressed to move to the line clamping position towards the fixed clamping block 2, the line clamping space 4 is contracted to clamp the power line by the cooperation of the movable clamping block 3 and the fixed clamping block 2, the power line can bear the pulling of external force, the limiting slot 22 can limit the moving direction of the movable clamping block 3 by the limiting inserting column 31, and the reliability of the cooperation of the movable clamping block 3 and the fixed clamping block 2 is ensured.

As a modification, the limiting post 31 and the limiting slot 22 may be set at the interchangeable positions, i.e. the limiting post 31 is set on the fixed clamping block 2, and the limiting slot 22 is set on the movable clamping block 3.

In this embodiment, the first clamping position 23, the second clamping position 24 and the third clamping position 32 are clamping tables, and in actual operation, the first clamping position 23, the second clamping position 24 may be clamping grooves, and the third clamping position 32 is clamping table; alternatively, the first and second detents 23, 24 are provided as detents, and the third detent 32 is provided as a detent.

Example 2 Panel light

As shown in fig. 11 and 12, the panel light in this embodiment adopts the panel light back plate in embodiment 1, and the edge of the diffusion plate 5 is inserted into the holding groove 12 to generate a pressing force on the diffusion plate 5 through the protruding structure, so as to perform an installation limiting function on the diffusion plate.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims

1. A panel light backboard, comprising a backboard body (1) which is integrally formed, wherein the backboard body (1) is provided with a mounting cavity (11) with an open upper part; a clamping groove (12) for clamping with the edge of the diffusion plate (5) is formed in the upper opening position on the side wall of the mounting cavity (11), the opening of the clamping groove (12) faces the mounting cavity (11), and the clamping groove (12) is provided with an upper wall plate (121) and a lower wall plate (122) which are opposite up and down; the upper wall plate (121) and/or the lower wall plate (122) are/is provided with a protruding structure (123) protruding towards the inside of the clamping groove (12), and the protruding structure (123) has elasticity in the up-down direction.

2. The back panel lamp panel according to claim 1, wherein the protruding structure (123) is a spring sheet formed by stamping corresponding parts of the upper wall panel (121) or/and the lower wall panel (122), and the tail end of the spring sheet extends obliquely away from the opening.

3. The panel lamp backboard according to claim 1, characterized in that a threading hole (13) for the power line to pass through is arranged on the inner wall of the installation cavity (11), and a wire clamping component for clamping the power line is arranged outside the backboard body (1) at the threading hole (13).

4. A panel light back plate according to claim 3, characterized in that the wire clamping assembly comprises a fixed clamping block (2) fixedly connected with the back plate body (1) and a movable clamping block (3) connected with the fixed clamping block (2), wherein the movable clamping block (3) is connected with the fixed clamping block (2) through a buckling structure and forms a wire clamping space (4) for clamping a power wire between the movable clamping block and the fixed clamping block.

5. The panel light backboard according to claim 4, characterized in that the bottom of the fixed clamping block (2) is provided with a buckle (21), and the backboard body (1) is provided with a clamping hole (14) matched with the buckle (21) in a clamping way.

6. A panel light back plate according to claim 4 or 5, characterized in that the movable clamp block (3) is moved towards and away from the fixed clamp block (2) to change the size of the clamp line space (4);

two sides of one of the fixed clamping block (2) and the movable clamping block (3) are respectively provided with a limiting slot (22), two sides of the other one are respectively provided with a limiting inserting column (31), and the two limiting inserting columns (31) are respectively inserted into the corresponding limiting slots (22);

the buckling structure comprises a first clamping position (23) and a second clamping position (24) which are arranged on the inner wall of each limiting slot (22) at intervals, and a third clamping position (32) which is arranged on each limiting inserting column (31), wherein the movable clamping block (3) is limited at a preassembly position when the third clamping position (32) is buckled with the first clamping position (23), the movable clamping block (3) is limited at a clamping line position when the third clamping position (32) is buckled with the second clamping position (24), and the size of the clamping line space (4) when the movable clamping block (3) is larger than that when the movable clamping block (3) is in the clamping line position.

7. A panel light comprising the panel light back panel of any one of claims 1 to 6.