CN211207020U

CN211207020U - Automatic regulating device of L CM backlight module

Info

Publication number: CN211207020U
Application number: CN201922448698.4U
Authority: CN
Inventors: 周池; 汪龙
Original assignee: Shenzhen Saidled Electronics Technology Co ltd
Current assignee: Shenzhen Saidled Electronics Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-07
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an L CM backlight unit automatic regulating apparatus, the power distribution box comprises a box body, the both sides inner wall of box is equallyd divide and has do not seted up the spacing groove, two sliding connection does not have the limiting plate, two is equallyd divide to the inside of spacing groove fixedly connected with thread bush between the limiting plate, two other screw thread has cup jointed the screw rod is equallyd divide to the inside of thread bush, the top and the bottom of screw rod are equallyd divide do not rotate and are connected with first bearing, two do not fixedly connected with first gear, two are equallyd divide to the outer wall of screw rod the outer wall of first gear the external wall profile of tooth moves and is connected with the chain, the inside profile of tooth of chain moves and is connected with the second gear.

Description

Automatic regulating device of L CM backlight module

Technical Field

The utility model relates to a backlight unit technical field especially relates to an L CM backlight unit automatic regulating apparatus.

Background

The backlight module is one of the key components of the liquid crystal display panel, the function lies in supplying sufficient light source with uniform brightness and distribution, make it display the image normally, the so-called backlight is a kind of light source located behind liquid crystal display, its luminous effect will influence the visual effect of the liquid crystal display module (L CM) directly, the liquid crystal does not illuminate itself, it displays the figure or character and is its result to the light modulation, the development of the backlight can trace back to the second war period.

The automatic regulating device of the prior L CM backlight module has the defects in the using process, adopts a complex mechanical structure to regulate the L CM backlight module, so that the manufacturing cost is increased, and the L CM backlight module is easy to collide with the automatic regulating device to cause the damage of the L CM backlight module.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an L CM backlight unit automatic regulating device.

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

the utility model provides a L CM backlight unit automatic regulating apparatus, the power distribution box comprises a box body, the both sides inner wall of box is equallyd divide and has do not seted up the spacing groove, two sliding connection has the limiting plate, two are equallyd divide to the inside of spacing groove fixedly connected with thread bush between the limiting plate, two other screw thread has been equallyd divide to the inside of thread bush has cup jointed the screw rod, the top and the bottom of screw rod are equallyd divide and do not rotate and be connected with first bearing, two do not fixedly connected with first gear, two are equallyd divide to the outer wall of screw rod the outer wall tooth of first gear is moved and is connected with the chain, the inside tooth of chain is moved and is connected with the second gear, the inside fixedly connected with pivot of second gear, the top of pivot is rotated through the shaft coupling and is connected with driving motor, the bottom of pivot is rotated and is connected with the second bearing, the lower surface of push pedal is seted up and is equipped.

Preferably, the first bearing is located inside the box body, and the first bearing is fixedly connected with the box body.

Preferably, the second bearing is positioned on the inner surface of the bottom of the box body, and the second bearing is fixedly connected with the box body.

Preferably, the diameter of the through groove is matched with that of the driving motor, and the through groove is connected with the driving motor in a sliding mode.

Preferably, the L CM backlight unit body is located the top of box, sliding connection between push rod and the box.

Preferably, the L CM backlight unit body's lower surface symmetry fixedly connected with buffer cylinder, the upper surface symmetry fixedly connected with buffer beam of box, the top internal surface fixed connection of buffer cylinder has buffer spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the position of the L CM backlight module body is adjusted by arranging the push plate and the push rod, and the manufacturing cost is reduced by adopting a simple mechanical structure;

2. in the utility model, the L CM backlight module body can not greatly collide with the box body by arranging the buffer cylinder, the buffer rod and the buffer spring, thereby reducing the damage between the two;

to sum up, the utility model relates to a simply, convenient operation for the position of L CM backlight unit body obtains adjusting, adopts simple mechanical structure, makes cost reduce, can make L CM backlight unit body can not take place great collision with the box, reduces the damage between them.

Drawings

Fig. 1 is a schematic structural diagram of an automatic adjusting device of an L CM backlight module according to the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of an automatic adjusting device of an L CM backlight module according to the present invention;

fig. 3 is a schematic structural diagram of a buffer cylinder of a second embodiment of an automatic adjustment device for an L CM backlight module according to the present invention.

In the figure, a box body 1, a limiting groove 2, a limiting plate 3, a push plate 4, a thread bush 5, a screw 6, a first bearing 7, a first gear 8, a chain 9, a second gear 10, a rotating shaft 11, a driving motor 12, a second bearing 13, a through groove 14, a push rod 15, a backlight module body 16L CM, a buffer cylinder 17, a buffer rod 18 and a buffer spring 19 are arranged.

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.

Referring to fig. 1, for a scheme of an embodiment of L CM backlight unit automatic regulating apparatus, the power distribution box comprises a box body 1, limit groove 2 has not been seted up equally to the both sides inner wall of box 1, do not sliding connection have limiting plate 3 equally divide the inside of two limit groove 2, fixedly connected with push pedal 4 between two limiting plate 3, the inside symmetry fixedly connected with thread bush 5 of push pedal 4, do not screw thread cup joint screw rod 6 is equallyd divide to the inside of two thread bush 5, the top and the bottom of screw rod 6 are equallyd divide and are rotated respectively and be connected with first bearing 7, do not fixedly connected with first gear 8 is equallyd divide to the outer wall of two screw rods 6, the outer wall profile of two first gear 8 is geared and is connected with chain 9, the inside profile of chain 9 is connected with second gear 10, the inside fixedly connected with pivot 11 of second gear 10, the top of pivot 11 is rotated through the shaft coupling joint and is connected with driving motor 12, the bottom of pivot 11 is rotated and is connected with second bearing 13, the lower surface of push pedal 4 is equipped with.

First bearing 7 is located the inside of box 1, fixed connection between first bearing 7 and the box 1, and second bearing 13 is located the bottom internal surface of box 1, fixed connection between second bearing 13 and the box 1, and the diameter that leads to groove 14 matches with driving motor 12's diameter, leads to sliding connection between groove 14 and the driving motor 12, and L CM backlight unit body 16 is located the top of box 1, sliding connection between push rod 15 and the box 1.

Start driving motor 12's switch, driving motor 12 drives pivot 11 and rotates, pivot 11 drives second gear 10 and rotates, second gear 10 drives chain 9 and rotates, chain 9 drives two first gears 8 and rotates, two screw rods 6 that two first gears 8 beat rotate, two screw rods 6 drive push pedal 4 rebound, push pedal 4 is promoting push rod 15 and is removing, two push rod 15 are promoting L CM backlight unit body 16 rebound, make L CM backlight unit body 16's position obtain adjusting, adopt simple mechanical structure, make cost reduction.

Compared with the first embodiment, the second embodiment adopts more convenient structures as the buffer cylinder 17, the buffer rod 18 and the buffer spring 19, so that the L CM backlight module body 16 does not have larger collision with the box body 1, and the damage between the two is reduced.

Referring to fig. 1-3, for a second scheme of an embodiment of an L CM backlight module automatic regulating device, refer to fig. 1, a scheme of an embodiment of a L CM backlight module automatic regulating device, including box 1, the both sides inner wall of box 1 is equallyd divide and has not seted up spacing groove 2, the inside of two spacing grooves 2 is equallyd divide and is had other sliding connection with limiting plate 3, fixedly connected with push pedal 4 between two limiting plate 3, the inside symmetry fixedly connected with thread bush 5 of push pedal 4, the inside of two thread bushes 5 is equallyd divide and is had respectively threaded sleeve 6, the top and the bottom of screw 6 are equallyd divide and are respectively rotated and be connected with first bearing 7, the outer wall of two screw 6 is equallyd divide and is do not fixedly connected with first gear 8, the outer wall profile of two first gear 8 is connected with chain 9, the inside profile of chain 9 is connected with second gear 10, the inside fixedly connected with pivot 11 of second gear 10, the top of pivot 11 is rotated and is connected with driving motor 12 through the shaft coupling, the bottom of pivot 11 is rotated and is connected with second bearing 13, the lower surface of push pedal 4 is seted up and.

First bearing 7 is located the inside of box 1, fixed connection between first bearing 7 and the box 1, second bearing 13 is located the bottom internal surface of box 1, fixed connection between second bearing 13 and the box 1, the diameter that leads to groove 14 and driving motor 12's diameter phase-match, sliding connection between leading to groove 14 and driving motor 12, L CM backlight unit body 16 is located the top of box 1, sliding connection between push rod 15 and the box 1, L CM backlight unit body 16's lower surface symmetry fixedly connected with buffer cylinder 17, the last surface symmetry fixedly connected with buffer beam 18 of box 1, the top internal surface fixedly connected with buffer spring 19 of buffer cylinder 17.

When the L CM backlight module body 16 moves downwards, the buffer spring 19 in the buffer cylinder 17 and the buffer rod 18 are in contact with each other, so that the L CM backlight module body 16 is not in direct contact with the box body 1, and damage between the L CM backlight module body and the box body 1 is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a L CM backlight unit automatic regulating apparatus, includes box (1), its characterized in that, spacing groove (2), two have been seted up respectively to the both sides inner wall of box (1) equal divide do sliding connection have limiting plate (3), two fixedly connected with push pedal (4) between limiting plate (3), the inside symmetry fixedly connected with thread bush (5) of push pedal (4), two other screw thread has cup jointed screw rod (6) are equallyd divide to the inside of thread bush (5), the top and the bottom of screw rod (6) are equallyd divide and are connected with first bearing (7), two the outer wall of screw rod (6) is equallyd divide first gear (8) of other fixedly connected with, two the outer wall toothing of first gear (8) is connected with chain (9), the inside toothing of chain (9) is connected with second gear (10), the inside fixedly connected with pivot (11) of second gear (10), the top of pivot (11) is connected with driving motor (12) through the shaft coupling rotation, the bottom rotation of pivot (11) is connected with bearing (13), push pedal (4) the equal face push rod (15) of push pedal (4) are connected with the equal push rod (15) of lower surface of push rod (15), go up the equal surface of being connected with the push pedal (15) and are connected with the push.

2. The automatic adjusting device of L CM backlight module according to claim 1, wherein said first bearing (7) is located inside said case (1), said first bearing (7) is fixedly connected with said case (1).

3. The automatic adjusting device of L CM backlight module according to claim 1, wherein said second bearing (13) is located on the bottom inner surface of said case (1), said second bearing (13) is fixedly connected with said case (1).

4. An L CM backlight module automatic regulating device, according to claim 1, wherein the diameter of said through slot (14) matches the diameter of said driving motor (12), said through slot (14) and said driving motor (12) are connected in sliding mode.

5. The automatic L CM backlight module regulator of claim 1, wherein said L CM backlight module body (16) is located above the case (1), said push rod (15) is connected with the case (1) in a sliding manner.

6. The automatic adjusting device of L CM backlight unit according to claim 1, wherein said L CM backlight unit body (16) has a buffer cylinder (17) fixed symmetrically on its lower surface, said cabinet (1) has a buffer rod (18) fixed symmetrically on its upper surface, and said buffer cylinder (17) has a buffer spring (19) fixed on its top inner surface.