CN211826831U

CN211826831U - Display mechanism of backlight module

Info

Publication number: CN211826831U
Application number: CN202020577236.2U
Authority: CN
Inventors: 曾育艺
Original assignee: Changzhou Quanjin Optoelectronics Co ltd
Current assignee: Changzhou Quanjin Optoelectronics Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-10-30
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a backlight unit technical field especially relates to a backlight unit's display mechanism, has solved among the prior art problem comparatively difficult of dismantling after fixing between light guide plate and the frame. The utility model provides a backlight unit's display mechanism, including light guide plate and frame, a plurality of supporting shoe of the equal fixedly connected with in both sides of light guide plate, the inboard fixedly connected with a plurality of frame and the link plate of supporting shoe one-to-one, the fixed slot has been seted up on the surface of link plate, the extrusion groove has been seted up to the bottom of fixed slot, the inside in extrusion groove is equipped with the extrusion piece, the bottom sliding connection in extrusion groove has the slider, be equipped with first spring between extrusion piece and the slider, the supporting shoe is located between extrusion piece and the fixed slot, the side threaded connection of link plate has the screw rod, the. The utility model discloses a screw rod promotes the extrusion piece and makes the screw rod relax slightly and just can take out the supporting shoe, has made things convenient for the dismantlement of light guide plate.

Description

Display mechanism of backlight module

Technical Field

The utility model relates to a backlight unit technical field especially relates to a backlight unit's display mechanism.

Background

The backlight module is one of the key components of the liquid crystal display panel, and has the functions of supplying sufficient light source with uniform brightness and distribution to normally display images. The backlight source and the liquid crystal display screen are combined together to form the liquid crystal display module.

In the prior art, for the light guide plate in the backlight module, bolts and screws are usually used to fix the light guide plate on the frame, but in such a fixing mode, if the display mechanism needs to be repaired and replaced, the screw is difficult to be disassembled, and the screw is rotated forcibly in the disassembling process, which may cause the deformation of the connecting part, so that the stability of the light guide plate is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backlight unit's display mechanism has solved among the prior art comparatively difficult problem of dismantling after fixing between light guide plate and the frame.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a backlight unit's display mechanism, including light guide plate and frame, a plurality of supporting shoe of the equal fixedly connected with in both sides of light guide plate, the inboard fixedly connected with a plurality of frame and the link plate of supporting shoe one-to-one, the fixed slot has been seted up on the surface of link plate, the extrusion groove has been seted up to the bottom of fixed slot, the inside in extrusion groove is equipped with the extrusion piece, the bottom sliding connection in extrusion groove has the slider, be equipped with first spring between extrusion piece and the slider, the supporting shoe is located between extrusion piece and the fixed slot, the side threaded connection of link plate has the screw rod, the.

Preferably, the inner top and the inner bottom of the frame are respectively and fixedly connected with two clamping blocks which are distributed in parallel, a clamping groove is formed between the two clamping blocks, a second spring is arranged inside the clamping groove at the inner top of the frame, and a screen frame is arranged between the two clamping grooves.

Preferably, the bottom of the extrusion groove is provided with a sliding groove matched with the sliding block, and the sliding block is positioned in the sliding groove.

Preferably, the support block is trapezoidal in side sectional view.

Preferably, the length of the chute is greater than the movable distance of the pressing block.

Preferably, the height of the outer fixture block positioned above is smaller than that of the inner fixture block.

Preferably, one end of the second spring is fixedly connected with a buffer block.

Preferably, the contact point of the screw with the extrusion block is in the central part of the extrusion block.

The utility model discloses possess following beneficial effect at least:

supporting shoe embedding link plate internal fixation groove, inside supporting shoe extrusion piece made the extrusion piece enter into the extrusion groove, after the supporting shoe got into the fixed slot completely, the extrusion piece is because the elasticity reconversion of first spring, with the supporting shoe card inside the fixed slot, rotate the screw rod again, make the screw rod promote the extrusion piece to remove, first spring passes through the slider and follows the extrusion piece and remove, make the extrusion piece press from both sides the supporting shoe tightly in the fixed slot, when needs are dismantled, it makes the screw rod do not have pressure to the extrusion piece to rotate the screw rod, push down the extrusion piece, take out the supporting shoe again, for among the prior art, the light guide plate passes through the difficult dismantlement of bolt and screw and frame fixation, the utility model discloses in, promote the extrusion piece through the screw rod and make the screw rod relax slightly and just can take out.

Drawings

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

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

FIG. 2 is a schematic side view of FIG. 1;

fig. 3 is a schematic view of another state of fig. 2.

In the figure: 1. a light guide plate; 2. a frame; 3. a support block; 4. a screw; 5. hanging the plate; 6. a first spring; 7. extruding the block; 8. extruding a groove; 9. a chute; 10. a slider; 11. fixing grooves; 12. a card slot; 13. a screen frame; 14. a clamping block; 15. a second spring; 16. and a buffer block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a backlight unit's display mechanism, including light guide plate 1 and frame 2, the equal fixedly connected with a plurality of supporting shoe 3 in both sides of light guide plate 1, the inboard fixedly connected with a plurality of frame 2 and the link plate 5 of supporting shoe 3 one-to-one, fixed slot 11 has been seted up on the surface of link plate 5, extrusion groove 8 has been seted up to the bottom of fixed slot 11, extrusion groove 8's inside is equipped with extrusion piece 7, specifically, extrusion piece 7 sliding connection is in extrusion groove 8, extrusion groove 8's bottom sliding connection has slider 10, be equipped with first spring 6 between extrusion piece 7 and the slider 10, specifically, the both ends of first spring 6 respectively with slider 10 and extrusion piece 7 fixed connection, supporting shoe 3 is located between extrusion piece 7 and the fixed slot 11, the side threaded connection of link plate 5 has screw rod 4, the one end of screw rod 4 is laminated with the.

The scheme has the following working processes:

put into frame 2 with

light guide plate

1, 5 internal fixation grooves 11 of supporting shoe 3 embedding link plate, at the in-process of embedding, 3 extrusion pressing blocks of supporting shoe 7 make pressing blocks 7 enter into extrusion groove 8 inside, supporting shoe 3 gets into fixed slot 11 after completely, block supporting shoe 3 inside fixed slot 11, rotate screw rod 4 again, make screw rod 4 promote pressing blocks 7 to remove, first spring 6 follows pressing blocks 7 through slider 10 and removes, make pressing blocks 7 press from both sides supporting shoe 3 tightly in fixed slot 11, when needs are dismantled, it does not have pressure to pressing blocks 7 to rotate screw rod 4, press pressing blocks 7 downwards, take out supporting shoe 3 again.

According to the working process, the following steps are known:

make supporting shoe 3 fixed and can be comparatively easily remove fixedly through extrusion piece 7 and screw rod 4, for among the prior art, light guide plate 1 passes through the fixed difficult dismantlement of bolt and screw and frame 2, the utility model discloses in, promote extrusion piece 7 through screw rod 4 and make screw rod 4 relax slightly and just can take out supporting shoe 3, made things convenient for the dismantlement of light guide plate 1.

Further, frame 2's interior top and interior bottom respectively two fixture blocks 14 that are parallel distribution of fixedly connected with, be equipped with draw-in groove 12 between two fixture blocks 14, draw-in groove 12 inside being equipped with second spring 15 at top in being located frame 2, be equipped with screen frame 13 between two draw-in grooves 12, it is specific, lift screen frame 13 upwards, then with screen frame 13 top card in draw-in groove 12 of top, put into draw-in groove 12 of below with screen frame 13 bottom, then through the decurrent elasticity of second spring 15 with screen frame 13 joint on frame 2, can more conveniently connect screen frame 13 and frame 2 joint with the display screen through draw-in groove 12, fixing between screen frame 13 and frame 2, make screen frame 13's fixed in position, and convenient operation.

Further, the bottom of the extrusion groove 8 is provided with a sliding groove 9 matched with the sliding block 10, the sliding block 10 is located in the sliding groove 9, specifically, the sliding groove 9 provides a sliding position for the sliding block 10, the sliding of the sliding block 10 is facilitated, and the extrusion block 7 cannot be influenced by the random sliding of the sliding block 10.

Further, the screenshot of the side surface of the supporting block 3 is trapezoidal, and particularly, when the supporting block 3 enters the fixing groove 11, the trapezoidal inclined surface enables the supporting block 3 to extrude the extrusion block 7 more conveniently.

Further, the length of the sliding groove 9 is larger than the movable distance of the extrusion block 7, and particularly, the moving distance of the sliding block 10 in the sliding groove 9 is limited by the sliding groove 9, which may cause the sliding block 10 to affect the position of the extrusion block 7.

Further, the height of the outer side fixture block 14 located above is smaller than that of the inner side fixture block 14, specifically, the screen frame 13 is lifted into the upper fixture groove 12, and the influence of the fixture block 14 is small.

Further, one end of the second spring 15 is fixedly connected with a buffer block 16, specifically, the buffer block 16 is made of rubber, and protects the screen frame 13 contacted with the second spring 15.

Furthermore, the contact point of the screw rod 4 and the extrusion block 7 is at the central part of the extrusion block 7, specifically, the middle part is pushed, so that the extrusion block 7 cannot be inclined by the screw rod 4 to influence the fixation of the support block 3.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The display mechanism of the backlight module comprises a light guide plate (1) and a frame (2), and is characterized in that a plurality of supporting blocks (3) are fixedly connected to two sides of the light guide plate (1), a plurality of hanging plates (5) which correspond to the supporting blocks (3) one by one are fixedly connected to the inner side of the frame (2), a fixing groove (11) is formed in the surface of each hanging plate (5), an extrusion groove (8) is formed in the bottom of each fixing groove (11), an extrusion block (7) is arranged inside each extrusion groove (8), a sliding block (10) is slidably connected to the bottom of each extrusion groove (8), a first spring (6) is arranged between each extrusion block (7) and the corresponding sliding block (10), the supporting blocks (3) are located between the extrusion blocks (7) and the fixing grooves (11), and a screw rod (4) is connected to the side face of each hanging plate (5) in a, one end of the screw rod (4) is attached to the side face of the extrusion block (7).

2. The display mechanism of a backlight module according to claim 1, wherein two parallel-arranged fixture blocks (14) are fixedly connected to the inner top and the inner bottom of the frame (2), a slot (12) is disposed between the two fixture blocks (14), a second spring (15) is disposed inside the slot (12) at the inner top of the frame (2), and a screen frame (13) is disposed between the two slot (12).

3. The display mechanism of a backlight module according to claim 1, wherein a sliding slot (9) adapted to the sliding block (10) is formed at the bottom of the extrusion slot (8), and the sliding block (10) is located in the sliding slot (9).

4. The display mechanism of a backlight module as claimed in claim 1, wherein the supporting block (3) has a trapezoidal sectional side view.

5. The display mechanism of a backlight module according to claim 3, wherein the length of the sliding groove (9) is greater than the movable distance of the pressing block (7).

6. The display mechanism of a backlight module as claimed in claim 2, wherein the height of the upper outer latch (14) is less than the height of the inner latch (14).

7. The display mechanism of a backlight module as claimed in claim 2, wherein one end of the second spring (15) is fixedly connected with a buffer block (16).

8. The display mechanism of a backlight module according to claim 1, wherein the contact point of the screw (4) and the extrusion block (7) is at the central part of the extrusion block (7).