CN210605264U

CN210605264U - Liquid crystal display protection backboard

Info

Publication number: CN210605264U
Application number: CN201921685043.2U
Authority: CN
Inventors: 钟海彪
Original assignee: Xiamen Zhengxinyuan Photoelectric Technology Co Ltd
Current assignee: Xiamen Zhengxinyuan Photoelectric Technology Co Ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-05-22
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a liquid crystal display protection back plate in the technical field of displays, which comprises a front frame and a middle frame, wherein the front frame and the middle frame are connected on a left side plate, the bottom of the left side plate is provided with a back plate, the top of one end of the back plate close to the left side plate is provided with a light bar fixing seat, the inner wall of the light bar fixing seat is connected with a light bar mounting seat in a sliding way, the top of the light bar mounting seat is provided with a light bar, and the bottom of the; the front side of backplate is provided with the preceding curb plate, has seted up the window on the preceding curb plate, and the window left and right sides is provided with the slot respectively, and slot inner wall swing joint has the dust door, the utility model has the advantages of reasonable design, can take out the lamp strip, change alone, need not open the backplate, it is convenient to dismantle, still is provided with dust door, dust screen and has effectively reduced the dust and get into, is provided with first ventilation hole, fin, and the second ventilation hole can satisfy the heat dissipation demand, reduces lamp strip temperature, increase of service life.

Description

Liquid crystal display protection backboard

Technical Field

The utility model relates to a display technical field specifically is a liquid crystal display protects backplate.

Background

The lcd generally comprises a liquid crystal panel and a backlight module. The backlight module comprises an optical diaphragm, a light bar, a light guide plate, a reflector plate and a back plate. In traditional design, on being fixed in the backplate with lamp strip and light guide plate, reflector plate through the sticky tape, when dismantling the lamp strip, need all take apart LCD and change, the operation is complicated, and causes each optical component's pollution, damage easily, and the reworkability is poor.

To this end, a person skilled in the relevant art improves this, for example, the "backplane structure for liquid crystal display" proposed in chinese patent application No. cn201420484288.x, and the technical features in this application document are: "a backplate structure for LCD, including backplate subassembly and last backplate subassembly down, the backplate subassembly is including fixed backplate and activity backplate down, the activity backplate passes through hinge assembly and can dismantle with fixed backplate and be connected, the activity backplate passes through the block subassembly and is connected with last backplate subassembly block, though through setting up the backplate that can open and shut, the characteristics that can conveniently dismantle the lamp strip have, but the technical scheme in this application document still exists not enoughly, if the device does not set up dustproof part, the dust gets into backlight unit easily when changing the lamp strip, do not carry out the thermal treatment, heat dispersion is not good, influence lamp strip life.

Based on this, the utility model designs a LCD protection backplate to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LCD protects backplate to the operation is complicated when solving the aforesaid and changing the lamp strip, and the dust easily enters backlight unit, the not good problem of heat dispersion.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid crystal display protective back plate comprises a front frame and a middle frame used for mounting a liquid crystal panel, wherein the front frame and the middle frame are connected to a left side plate, a back plate is arranged at the bottom of the left side plate, a light bar fixing seat is arranged at the top of one end, close to the left side plate, of the back plate, a light bar mounting seat is connected to the inner wall of the light bar fixing seat in a sliding mode, a light bar is arranged at the top of the light bar mounting seat, and cooling fins are arranged at the;

the front side of backplate is provided with preceding curb plate, seted up the window on the preceding curb plate, the window left and right sides is provided with the slot respectively, slot inner wall swing joint has dustproof door.

Preferably, the lamp strip fixing seat is provided with a pair of, a pair of lamp strip fixing seat is pressed close to one side inner wall each other and is provided with the spill spout, lamp strip mount pad both sides outer wall be provided with spill spout matched with convex spout.

Preferably, the lamp strip mounting seat is provided with a first ventilation hole.

Preferably, a second ventilation hole is formed in the back plate below the light bar mounting seat.

Preferably, a dust screen is arranged inside the second vent hole.

Preferably, a first fixing hole is formed in the front side plate, a second fixing hole is formed in the dustproof door, and the first fixing hole and the second fixing hole are locked through screws.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, on one hand, adopt lamp strip fixing base and lamp strip mount pad sliding connection, can take out the lamp strip, change alone, need not open the backplate, it is convenient to dismantle, still be provided with dustproof door, dust screen and effectively reduced the dust and got into; on the other hand, be provided with first ventilation hole, fin on lamp strip mount pad, be provided with the second ventilation hole on the backplate, can satisfy the heat dissipation demand, reduce lamp strip temperature, increase of service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a bottom view of the structure of the present invention;

fig. 4 is a schematic structural view of the light bar mounting base of the present invention;

fig. 5 is the structural schematic diagram of the light bar fixing seat of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a liquid crystal panel; 2. a front frame; 3. a middle frame; 4. a left side plate; 5. a back plate; 6. a light bar fixing seat; 61. a concave chute; 7. a light bar mounting base; 71. a convex chute; 8. a light bar; 9. a heat sink; 10. a front side plate; 11. a window; 12. a slot; 13. a dust-proof door; 14. a first vent hole; 15. a second vent hole; 16. a dust screen; 17. a first fixing hole; 18. a second fixing hole; 19. a screw; 20. an optical film; 21. a light guide plate; 22. a reflective sheet; 23. an adhesive tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a liquid crystal display protective back plate comprises a front frame 2 and a middle frame 3 which are used for mounting a liquid crystal panel 1, wherein the front frame 2 and the middle frame 3 are connected to a left side plate 4, a back plate 5 is arranged at the bottom of the left side plate 4, a light bar fixing seat 6 is arranged at the top of one end, close to the left side plate 4, of the back plate 5, the inner wall of the light bar fixing seat 6 is connected with a light bar mounting seat 7 in a sliding mode, the operation is simple as long as the light bar mounting seat 7 is taken out during disassembly, a light bar 8 is arranged at the top of the light bar mounting seat 7, and radiating fins 9 are arranged; the front side of backplate 5 is provided with preceding curb plate 10, has seted up window 11 on the preceding curb plate 10, and the window 11 left and right sides is provided with slot 12 respectively, and slot 12 inner wall swing joint has dust door 13, prevents that the dust from getting into inside the display.

Wherein, lamp strip fixing base 6 is provided with a pair ofly, and a pair of lamp strip fixing base 6 is pressed close to one side inner wall each other and is provided with

spill spout

61, and 7 both sides outer walls of lamp strip mount pad are provided with the convex spout 71 with spill spout 61 matched with, dismantle and install lamp strip mount pad 7 through the cooperation of spill spout 61 with convex spout 71, are provided with first ventilation hole 14 on the lamp strip mount pad 7, are provided with second ventilation hole 15 on the backplate 5 of lamp strip mount pad 7 below. First ventilation hole 14, second ventilation hole 15 all are used for the heat dissipation of

lamp strip

8, and 15 inboards in second ventilation hole are provided with dust screen 16, prevent that the dust from getting into the display through second ventilation hole 15 inside, have seted up first fixed orifices 17 on the preceding curb plate 10, have seted up second fixed orifices 18 on the dust door 13, and first fixed orifices 17 passes through screw 19 with second fixed orifices 18 and locks.

One specific application of this embodiment is: when lamp strip 8 needs to be changed, loosen screw 19, open dust door 13, because lamp strip mount pad 7 is sliding connection with lamp strip fixing base 6, pulling lamp strip mount pad 7 forward, through window 11, take off lamp strip mount pad 7, close dust door 13, locking screw 19 prevents that the dust from getting into the display inside, changes lamp strip 8 on the lamp strip mount pad 7.

After a new light bar 8 is installed on the light bar installation seat 7, the screw 19 is loosened, the dustproof door 13 is opened, the convex sliding groove 71 on the outer wall of the light bar installation seat 7 is aligned with the concave sliding groove on the inner wall of the light bar fixing seat 6, the light bar installation seat 7 is pushed, the dustproof door 13 is closed, the screw 19 is locked, and the light bar replacement operation is completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a liquid crystal display protection backplate, is including preceding frame (2) and center (3) that are used for installing liquid crystal display panel (1), preceding frame (2) and center (3) are connected on left side board (4), left side board (4) bottom is provided with backplate (5), its characterized in that: a light bar fixing seat (6) is arranged at the top of one end, close to the left side plate (4), of the back plate (5), a light bar mounting seat (7) is connected to the inner wall of the light bar fixing seat (6) in a sliding mode, a light bar (8) is arranged at the top of the light bar mounting seat (7), and radiating fins (9) are arranged at the bottom of the light bar mounting seat (7);

the front side of backplate (5) is provided with preceding curb plate (10), seted up window (11) on preceding curb plate (10), the window (11) left and right sides is provided with slot (12) respectively, slot (12) inner wall swing joint has dust-proof door (13).

2. The protective back sheet for liquid crystal display according to claim 1, wherein: light bar fixing base (6) are provided with a pair ofly, and are a pair of light bar fixing base (6) are pressed close to one side inner wall each other and are provided with spill spout (61), light bar mount pad (7) both sides outer wall be provided with spill spout (61) matched with convex spout (71).

3. The protective back sheet for liquid crystal display according to claim 1, wherein: the lamp strip mounting seat (7) is provided with a first ventilation hole (14).

4. The protective back sheet for liquid crystal display according to claim 1, wherein: and a second ventilation hole (15) is formed in the back plate (5) below the light bar mounting seat (7).

5. The protective back sheet for liquid crystal display according to claim 4, wherein: and a dust screen (16) is arranged on the inner side of the second ventilation hole (15).

6. The protective back sheet for liquid crystal display according to claim 1, wherein: the front side plate (10) is provided with a first fixing hole (17), the dustproof door (13) is provided with a second fixing hole (18), and the first fixing hole (17) and the second fixing hole (18) are locked through a screw (19).