CN218866269U

CN218866269U - Liquid crystal display backlight source

Info

Publication number: CN218866269U
Application number: CN202320194967.2U
Authority: CN
Inventors: 刘天送
Original assignee: Huizhou Jingguang Electronic Technology Co ltd
Current assignee: Huizhou Jingguang Electronic Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-04-14
Anticipated expiration: 2033-02-13

Abstract

The utility model belongs to the technical field of the liquid crystal display technique and specifically relates to indicate a liquid crystal display backlight, which comprises a fixing frame, the upper end middle part fixedly connected with LED lamp of mount, both ends all are provided with the fixed plate around the inboard of mount, the upper end of fixed plate is rotated and is connected with the turning block, the lower extreme middle part fixedly connected with sprue of turning block, the equal fixedly connected with dead lever in both ends about the lower extreme of turning block, the inboard sliding connection of dead lever has the connecting rod, the one end fixedly connected with stopper of sprue is kept away from to the connecting rod, the inboard fixedly connected with fixed axle of connecting rod, this liquid crystal display backlight, through mount, fixed plate, first sticky tape and the second sticky tape that sets up, through the stickness of first sticky tape and second sticky tape with the laminating of LED lamp in the required position of backplate, still can be fast convenient when increasing the stability of LED lamp when installing through enlarging area of contact with it dismantlement.

Description

Liquid crystal display backlight source

Technical Field

The utility model relates to a liquid crystal display technical field especially relates to a liquid crystal display backlight.

Background

The utility model discloses a liquid crystal display backlight disclosed in china utility model patent application laid-open specification CN 209657049U, be provided with the mounting bar of a plurality of parallels on the board of being shaded, there is the base that a plurality of equidistance intervals set up on the mounting bar, the LED lamp is installed in the base, the sunken draw-in groove that is formed with a plurality of transversal personally submitting notch cuttype that is formed with on the board of being shaded, the both sides of mounting bar are equipped with the flange respectively, through the flange card is gone into make in the draw-in groove, the mounting bar with the connection can be dismantled to the board of being shaded, the utility model discloses a setting up the mounting bar that has the flange and board of being shaded cooperation joint, directly installing the LED lamp on the mounting bar, avoid installing the work load of more LED lamp to mounting bar and board of being shaded joint cooperation, its stability of LED lamp is low through the joint installation, and when the board of being shaded in the transportation, the transport vechicle is gone and appears rocking under the condition of vibrations, the LED lamp can appear not hard up in the backplate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a liquid crystal display screen backlight source.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a liquid crystal display backlight, includes the mount, the upper end middle part fixedly connected with LED lamp of mount, both ends all are provided with the fixed plate around the inboard of mount, the upper end of fixed plate is rotated and is connected with the turning block, the lower extreme middle part fixedly connected with sprue of turning block, the equal fixedly connected with dead lever in both ends about the lower extreme of turning block, the inboard sliding connection of dead lever has the connecting rod, the one end fixedly connected with stopper of sprue is kept away from to the connecting rod, the inboard fixedly connected with fixed axle of connecting rod, the lower extreme of fixed plate is binded and is provided with first sticky tape, the lower extreme of mount is binded and is provided with the second sticky tape.

As a further embodiment of the above technical solution: the sprue penetrates through the fixing plate, the sprue is in sliding connection with the fixing plate, the sprue is made of a rubber plate, and the sprue made of the rubber plate is good in sealing effect.

As a further embodiment of the above technical solution: the stopper is located the inboard of fixed plate, and the outside of stopper is sliding connection with the inboard of fixed plate, the mounting groove that is evenly distributed is seted up to the upper end of fixed plate, and the appearance of accessible mounting groove is convenient for insert the fixed rod to the fixed plate inboard from top to bottom.

As a further embodiment of the above technical solution: the outside of fixed axle is around having the spring, and the one end of spring is fixed connection with the inboard of dead lever, the other end of spring is fixed connection with the upper end of connecting rod, will make the stopper reset through the spring.

As a further embodiment of the above technical solution: the equal fixedly connected with connecting block in the lower extreme left and right sides of mount, the one end that the connecting block is close to the fixed plate is rotated and is connected with the axis of rotation, and the other end of axis of rotation and the equal fixed connection in the left and right sides of fixed plate, the one end fixedly connected with O type circle of fixed plate is kept away from in the outside of axis of rotation, and the outside of axis of rotation is provided with two O type circles, the outside of O type circle is the rotation with the connecting block and is connected, improves the damping nature of axis of rotation when the inboard rotates.

As a further embodiment of the above technical solution: the inboard one end fixedly connected with supporting shoe of keeping away from the fixed plate of connecting block, the supporting shoe is close to the one end fixedly connected with gag lever post of fixed plate, and the gag lever post is the hexagon setting, the gag lever post runs through the axis of rotation, and the gag lever post is the rotation with the axis of rotation and is connected, and the gag lever post is set up by the block rubber, and the gag lever post that the block rubber constitutes can produce when the axis of rotation rotates and improve damping and frictional behavior of axis of rotation when rotating in the inboard.

The utility model discloses following beneficial effect has:

compared with the prior art, this liquid crystal display backlight through mount, fixed plate, first sticky tape and the second sticky tape that sets up, through the stickness of first sticky tape and second sticky tape with the laminating of LED lamp in backplate required position, still can be quick convenient when increasing the stability of LED lamp installation through enlarging area of contact dismantle it.

Drawings

Fig. 1 is a schematic view of an overall structure of a liquid crystal display backlight source main view according to the present invention;

fig. 2 is a schematic view of a front cross-sectional structure of a backlight source alarm of a liquid crystal display screen according to the present invention;

fig. 3 is a schematic diagram of a structure at a position a in fig. 2 of a backlight source of a liquid crystal display screen according to the present invention;

fig. 4 is a schematic view of a local structure of a backlight source of a liquid crystal display screen in a top view according to the present invention;

fig. 5 is a schematic cross-sectional view of a connection block of a backlight source of a liquid crystal display screen according to the present invention;

fig. 6 is a schematic view of an overall structure of a liquid crystal display backlight limiting rod according to the present invention;

fig. 7 is a schematic view of a top view structure of a mounting groove of a backlight source of a liquid crystal display screen.

Illustration of the drawings:

1. a fixed mount; 2. an LED lamp; 3. a fixing plate; 4. rotating the block; 5. blocking; 6. fixing the rod; 7. a connecting rod; 8. a limiting block; 9. a fixed shaft; 10. a spring; 11. mounting grooves; 12. connecting blocks; 13. a rotating shaft; 14. an O-shaped ring; 15. a support block; 16. a limiting rod; 17. a first adhesive tape; 18. a second adhesive tape.

Detailed Description

Referring to fig. 1-7, the utility model provides a pair of liquid crystal display backlight: including mount 1, the upper end middle part fixedly connected with LED lamp 2 of mount 1, both ends all are provided with fixed plate 3 around the inboard of mount 1, the upper end of fixed plate 3 is rotated and is connected with turning block 4, the lower extreme middle part fixedly connected with sprue 5 of turning block 4, the equal fixedly connected with dead lever 6 in both ends about the lower extreme of turning block 4, the inboard sliding connection of dead lever 6 has connecting rod 7, the one end fixedly connected with stopper 8 of sprue 5 is kept away from to connecting rod 7, the inboard fixedly connected with fixed axle 9 of connecting rod 7, the lower extreme of fixed plate 3 is binded and is provided with first sticky tape 17, the lower extreme of mount 1 is binded and is provided with second sticky tape 18.

As a further embodiment of the above technical solution: the sprue 5 runs through the fixing plate 3, the sprue 5 is in sliding connection with the fixing plate 3, the sprue 5 is made of a rubber plate, and the sprue 5 made of the rubber plate is good in sealing effect.

As a further embodiment of the above technical solution: stopper 8 is located the inboard of fixed plate 3, and the outside of stopper 8 is sliding connection with the inboard of fixed plate 3, mounting groove 11 that is evenly distributed is seted up to the upper end of fixed plate 3, and the appearance of accessible mounting groove 11 is convenient for insert dead lever 6 to fixed plate 3 inboard from top to bottom.

As a further embodiment of the above technical solution: the outside of fixed axle 9 is around having spring 10, and the one end of spring 10 is fixed connection with the inboard of dead lever 6, the other end of spring 10 is fixed connection with the upper end of connecting rod 7, will make stopper 8 reset through spring 10.

As a further embodiment of the above technical solution: the equal fixedly connected with connecting block 12 of the lower extreme left and right sides of mount 1, connecting block 12 is close to the one end rotation of fixed plate 3 and is connected with axis of rotation 13, and the other end of axis of rotation 13 and the equal fixed connection of the left and right sides of fixed plate 3, the one end fixedly connected with O type circle 14 of fixed plate 3 is kept away from in the outside of axis of rotation 13, and the outside of axis of rotation 13 is provided with two O type circles 14, the outside of O type circle 14 is with connecting block 12 and rotates and be connected, improves the damping nature of axis of rotation 13 when the inboard rotates.

As a further embodiment of the above technical solution: one end fixedly connected with supporting shoe 15 of fixed plate 3 is kept away from to the inboard of connecting block 12, supporting shoe 15 is close to one end fixedly connected with gag lever post 16 of fixed plate 3, and gag lever post 16 is the hexagon setting, gag lever post 16 runs through axis of rotation 13, and gag lever post 16 is to rotate with axis of rotation 13 and be connected, and gag lever post 16 is set up by the block rubber, and the gag lever post 16 that the block rubber constitutes improves damping and frictional property when axis of rotation 13 rotates in the time of can producing deformation when axis of rotation 13 rotates.

The working principle is as follows:

use the utility model discloses the time, will manual pulling fixed plate 3 downwards, the axis of rotation 13 of fixed plate 3 both sides rotates in connecting block 12, the gag lever post 16 that the rubber block constitutes in O type circle 14 in the axis of rotation 13 outside and supporting shoe 15 takes place to rotate in the inboard this moment, make axis of rotation 13 form interference fit in connecting block 12 inboard, it is the horizontality to rotate to 180 degrees and mount 1 when fixed plate 3, install first sticky tape 17 and second sticky tape 18 that differ in thickness at the lower extreme of mount 1 and fixed plate 3, the stickness of the first sticky tape 17 of accessible and second sticky tape 18 laminates LED lamp 2 in the backplate, and stability when increasing LED lamp 2 installation through enlarging area of contact, when needs pull down LED lamp 2, the accessible has hexagonal screw instrument to insert to turning block 4, take turning block 4 to take place to rotate, after turning block 4 takes place 90 degrees to rotate, stopper 8 in the connecting rod 7 makes its rebound along with the inboard spiral slotted hole spring 10 of mounting groove 11, can hand-operated block 4 upwards throw out block 5, can pull out mounting groove 11 toward, spill the people will be convenient for dismantling glue from the backplate through the position with the first sticky tape and glue of stripping agent 17.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a liquid crystal display backlight, includes mount (1), its characterized in that: the utility model discloses a lamp fixing device, including mount (1), both ends all are provided with fixed plate (3) around the inboard of mount (1), the upper end of fixed plate (3) is rotated and is connected with turning block (4), lower extreme middle part fixedly connected with sprue (5) of turning block (4), the equal fixedly connected with dead lever (6) in both ends about the lower extreme of turning block (4), the inboard sliding connection of dead lever (6) has connecting rod (7), the one end fixedly connected with stopper (8) of sprue (5) are kept away from in connecting rod (7), the inboard fixedly connected with fixed axle (9) of connecting rod (7), the lower extreme of fixed plate (3) is binded and is provided with first sticky tape (17), the lower extreme of mount (1) is binded and is provided with second sticky tape (18).

2. A liquid crystal display backlight as recited in claim 1, wherein: the blocking piece (5) runs through the fixing plate (3), the blocking piece (5) is in sliding connection with the fixing plate (3), and the blocking piece (5) is made of a rubber plate.

3. A liquid crystal display backlight as recited in claim 1, wherein: stopper (8) are located the inboard of fixed plate (3), and the outside of stopper (8) is sliding connection with the inboard of fixed plate (3), mounting groove (11) that are evenly distributed are seted up to the upper end of fixed plate (3).

4. A liquid crystal display backlight as recited in claim 1, wherein: the outer side of the fixed shaft (9) is wrapped with a spring (10), one end of the spring (10) is fixedly connected with the inner side of the fixed rod (6), and the other end of the spring (10) is fixedly connected with the upper end of the connecting rod (7).

5. The liquid crystal display backlight of claim 1, wherein: the utility model discloses a fixing device for fixing a bearing, including the equal fixedly connected with connecting block (12) of lower extreme left and right sides of mount (1), connecting block (12) are close to the one end rotation of fixed plate (3) and are connected with axis of rotation (13), and the other end of axis of rotation (13) and the equal fixed connection of the left and right sides of fixed plate (3), the one end fixedly connected with O type circle (14) of fixed plate (3) are kept away from in the outside of axis of rotation (13), and the outside of axis of rotation (13) is provided with two O type circles (14), the outside and connecting block (12) of O type circle (14) are the rotation and are connected.

6. A liquid crystal display backlight as recited in claim 5, wherein: the inboard one end fixedly connected with supporting shoe (15) of keeping away from fixed plate (3) of connecting block (12), one end fixedly connected with gag lever post (16) that supporting shoe (15) are close to fixed plate (3), and gag lever post (16) are the hexagon setting, axis of rotation (13) is run through in gag lever post (16), and gag lever post (16) is with axis of rotation (13) and rotate and be connected, and gag lever post (16) are set up by the rubber block.