CN217821191U

CN217821191U - Backlight module fixing device

Info

Publication number: CN217821191U
Application number: CN202221861139.1U
Authority: CN
Inventors: 姚斌
Original assignee: Changzhou Tianlu Display Technology Co ltd
Current assignee: Changzhou Tianlu Display Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-15
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a backlight unit fixing device, including set casing, backlight unit body and epitheca, the set casing includes bottom plate and main shell, the up end at the bottom plate is installed to main shell, and main shell and bottom plate fixed connection, the middle part at main shell is installed to the backlight unit body, epitheca fixed mounting is at the up end of main shell, conveniently supports main shell through the bottom plate, conveniently carries out spacing installation backlight unit body through both sides main shell, conveniently just can install from main shell upper end after the rear end face bonding auxiliary frame of backlight unit body, then rotates clamp bolt and comes to support the auxiliary frame, guarantees that the auxiliary frame can drive the stable pressure of backlight unit body and hold on spacing, installs on the main shell through the epitheca both accessible sealing strip at last and carries on spacingly to backlight unit body upper end.

Description

Backlight module fixing device

Technical Field

The utility model relates to a backlight unit auxiliary frame technical field specifically is a backlight unit fixing device.

Background

The backlight module is usually used as a backlight source of the liquid crystal display device, and the light sources in the backlight module are arranged on two sides or at the bottom of the circuit board.

A conventional chinese patent publication No. CN101813302a discloses a fixing structure and a backlight module having the same, wherein the fixing structure includes a first wall having at least one first positioning hole, a second wall having at least one second positioning hole, and at least one fixing member. The fixing part is provided with a first part, a second part and a middle part, the first part is provided with a thread structure, the periphery of the second part is provided with at least one groove and at least one clamping hook arranged corresponding to the groove, and the clamping hook moves towards the second part when being pressed. The first part is combined and fixed with the first positioning hole, the second part penetrates through and protrudes out of the second positioning hole, and the middle part is positioned in the second positioning hole.

In view of the above-mentioned related art, the inventor believes that the backlight module fixing mechanism has no corresponding reinforcing structure when in use, and is easy to damage the backlight module if the backlight module fixing mechanism is manually taken when needing to be replaced.

SUMMERY OF THE UTILITY MODEL

In order to achieve the effects of flexible installation, fixation and safe disassembly, the application provides a backlight module fixing device.

The utility model discloses a realize like this:

the utility model provides a backlight unit fixing device, includes set casing, backlight unit body and topshell, the set casing includes bottom plate and main shell, the up end at the bottom plate is installed to main shell, and main shell and bottom plate fixed connection, the middle part at the main shell is installed to the backlight unit body, topshell fixed mounting is at the up end of main shell.

Further, the main shell comprises a rear plate and limiting frames, the limiting frames are symmetrically arranged on two sides of the rear plate, and the limiting frames are fixedly connected with the rear plate.

Furthermore, a concave groove is formed in the rear plate, a compression bolt is installed at the center of the rear plate, the compression bolt is screwed in and out of the rear plate through threads, and a connecting clamping groove is formed in the head of the limiting frame.

Furthermore, the rear end face of the backlight module body is provided with an auxiliary frame, a rubber pad is further arranged between the auxiliary frame and the backlight module body, and the rubber pad is fixedly bonded with the auxiliary frame and the backlight module body.

Furthermore, a lifting frame is installed on the rear end face of the auxiliary frame, the lifting frame is connected with the auxiliary frame in a longitudinal sliding mode, limiting strips are symmetrically installed on the lower end face of the lifting frame, and the limiting strips are fixedly connected with the lifting frame.

Further, the top shell comprises a top plate and clamping strip plates, the clamping strip plates are symmetrically arranged at two ends of the top plate, and the clamping strip plates are vertically and fixedly connected with the top plate.

Furthermore, the rear end face of the top plate is provided with a baffle matched with the concave groove, the lower end face of the top plate is provided with a sealing strip, and the baffle and the sealing strip are fixedly connected with the top plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a study traditional backlight unit structure and installation, design a backlight unit fixing device, conveniently support the main shell through the bottom plate, conveniently carry out spacing installation backlight unit body through both sides owner shell, conveniently just can install from main shell upper end after the rear end face bonding auxiliary frame of backlight unit body, then rotate clamp bolt and come to support the auxiliary frame, guarantee that the auxiliary frame can drive the stable pressure of backlight unit body and hold on spacing, install both accessible sealing strip on the main shell through the epitheca and come to carry on spacingly to backlight unit body upper end at last, guarantee that the roof comes the block through both sides lath and fixes on connecting slot, can pull the card lath when needing to change the backlight unit body and come to take off the epitheca from spacing, then rotate the support of clamp bolt contact to the auxiliary frame, last hoisting frame just can be with backlight unit body and auxiliary frame together from main shell middle part promote out, it is very convenient to operate to get up handheld.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of the device of the present invention;

FIG. 2 is a schematic exploded view of the apparatus of FIG. 1;

FIG. 3 is a schematic structural view of the auxiliary frame shown in FIG. 1;

FIG. 4 is a schematic structural view of the stationary housing shown in FIG. 1;

FIG. 5 is a schematic structural view of the top case shown in FIG. 1;

fig. 6 is a front view of the device of fig. 5.

In the figure: 1. a stationary case; 11. a base plate; 12. a main housing; 121. a rear plate; 122. a limiting frame; 123. a concave groove; 124. a compression bolt; 125. a connecting clamping groove; 2. a backlight module body; 21. an auxiliary frame; 211. a hoisting frame; 212. a limiting strip; 22. a rubber pad; 3. a top shell; 31. a top plate; 311. a baffle plate; 312. a sealing strip; 32. a lath plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, a backlight module fixing device includes a fixing housing 1, a backlight module body 2 and a top case 3, the fixing housing 1 includes a bottom plate 11 and a main housing 12, the main housing 12 is installed on the upper end surface of the bottom plate 11, the main housing 12 is fixedly connected to the bottom plate 11, the main housing 12 includes a rear plate 121 and a limiting frame 122, the limiting frame 122 is symmetrically disposed on both sides of the rear plate 121, the limiting frame 122 is fixedly connected to the rear plate 121, a concave groove 123 is formed on the rear plate 121, a pressing bolt 124 is installed at the center of the rear plate 121, the pressing bolt 124 is screwed in and out of the rear plate 121, a connecting groove 125 is formed at the head of the limiting frame 122, by studying the conventional backlight module structure and installation process, a backlight module fixing device is designed, the main housing 12 is conveniently supported by the bottom plate 11, the backlight module body 2 is conveniently installed in a limiting manner by the main housing 12 on both sides, the main housing 12 is conveniently installed by the auxiliary frame 12, the supporting module body 2 is conveniently by the lifting frame 21, the auxiliary frame 21 is installed by rotating the lifting frame 21, the auxiliary frame 21, the lifting frame 21 is capable of stably installed on the main housing 21, the supporting module body, the lifting frame 21 is capable of lifting up and the auxiliary frame 21, the operation is very convenient, and the problems that the existing backlight module fixing mechanism does not have a corresponding reinforcing structure when in use and the backlight module is easily damaged if the fixing mechanism is manually taken when in need of replacement are solved;

the backlight module body 2 is arranged in the middle of the main shell 12, the rear end face of the backlight module body 2 is provided with an auxiliary frame 21, a rubber pad 22 is further arranged between the auxiliary frame 21 and the backlight module body 2, the rubber pad 22, the auxiliary frame 21 and the backlight module body 2 are fixedly bonded, the rear end face of the auxiliary frame 21 is provided with a lifting frame 211, the lifting frame 211 is longitudinally connected with the auxiliary frame 21 in a sliding manner, the lower end face of the lifting frame 211 is symmetrically provided with limit strips 212, the limit strips 212 are fixedly connected with the lifting frame 211, the auxiliary support of the backlight module body 2 is ensured through the arrangement of the auxiliary frame 21, meanwhile, the lifting frame 211 is convenient to be used by hands through the lifting frame 211, and the lifting frame 211 can be accommodated in the middle of the auxiliary frame 21 in a sliding manner when the lifting frame 211 is not used;

top shell 3 fixed mounting is at the up end of main casing 12, top shell 3 includes roof 31 and card slat 32, card slat 32 symmetry sets up the both ends at roof 31, and card slat 32 and the perpendicular fixed connection of roof 31, the rear end face of roof 31 is provided with baffle 311 with concave groove 123 matched with, and the lower terminal surface of roof 31 installs sealing strip 312, baffle 311 and sealing strip 312 all with roof 31 fixed connection, through the lower terminal surface installation sealing strip 312 at roof 31, it is convenient to come to carry on spacingly through sealing strip 312 to 2 upper ends of backlight unit body, set up through card slat 32 simultaneously and make things convenient for the block to carry out fixed connection in concave groove 123.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a backlight unit fixing device, includes set casing (1), backlight unit body (2) and top shell (3), its characterized in that: the fixed shell (1) comprises a bottom plate (11) and a main shell (12), the main shell (12) is installed on the upper end face of the bottom plate (11), the main shell (12) is fixedly connected with the bottom plate (11), the backlight module body (2) is installed in the middle of the main shell (12), and the top shell (3) is fixedly installed on the upper end face of the main shell (12).

2. The backlight module fixing device of claim 1, wherein the main housing (12) comprises a back plate (121) and a limiting frame (122), the limiting frame (122) is symmetrically disposed on two sides of the back plate (121), and the limiting frame (122) is fixedly connected to the back plate (121).

3. The backlight module fixing device of claim 2, wherein the back plate (121) is provided with a concave groove (123), a pressing bolt (124) is installed at the center of the back plate (121), the pressing bolt (124) is screwed in and out of the back plate (121) through a thread, and the head of the limiting frame (122) is provided with a connecting slot (125).

4. The backlight module fixing device of claim 3, wherein an auxiliary frame (21) is disposed on the rear end face of the backlight module body (2), a rubber pad (22) is further installed between the auxiliary frame (21) and the backlight module body (2), and the rubber pad (22) is fixed to the auxiliary frame (21) and the backlight module body (2) in an adhesion manner.

5. The backlight module fixing device of claim 4, wherein a lifting frame (211) is installed on the rear end face of the auxiliary frame (21), the lifting frame (211) is connected with the auxiliary frame (21) in a longitudinal sliding manner, and the lower end face of the lifting frame (211) is symmetrically provided with a limiting strip (212), and the limiting strip (212) is fixedly connected with the lifting frame (211).

6. The backlight module fixing device according to claim 5, wherein the top case (3) comprises a top plate (31) and a plurality of clamping strips (32), the clamping strips (32) are symmetrically arranged at two ends of the top plate (31), and the clamping strips (32) are vertically and fixedly connected with the top plate (31).

7. The backlight module fixing device according to claim 6, wherein a baffle plate (311) matched with the concave groove (123) is arranged on the rear end face of the top plate (31), a sealing strip (312) is arranged on the lower end face of the top plate (31), and the baffle plate (311) and the sealing strip (312) are both fixedly connected with the top plate (31).