CN212750275U

CN212750275U - Backlight module for LED display screen

Info

Publication number: CN212750275U
Application number: CN202021902560.3U
Authority: CN
Inventors: 李梦元; 王小飞
Original assignee: Shenzhen Solide Optoelectronics Co ltd
Current assignee: Shenzhen Solide Optoelectronics Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-03-19
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a backlight module for LED display screen, including backlight unit main part, display screen main part, display module, toper fixture block, small-size motor and radiating vane, first recess has been seted up to the inner wall of backlight unit main part equidistant, and the inside bottom of first recess installs first spring, the backup pad is installed on the top of first spring, and installs the triangle fixture block on the top of backup pad, the second recess has all been seted up to the inner wall of display screen main part, and the inside top of second recess installs trapezoidal fixture block, the slide rail is installed on the inside top of second recess, and the inside of slide rail is provided with the slider, the slider is kept away from the one end of slide rail and is installed the toper fixture block. This backlight unit for LED display screen discharges through the louvre, is convenient for quick dispel the heat to the backlight unit main part, avoids the backlight unit main part overheated to influence display module's image presentation effect.

Description

Backlight module for LED display screen

Technical Field

The utility model relates to a LED display screen technical field specifically is a backlight unit for LED display screen.

Background

The LED display screen is the electronic display screen of constituteing through the LED dot matrix, change screen display content form like the characters through bright red green lamp pearl that goes out, the animation, the picture, the timely conversion of video, carry out subassembly display control through backlight unit, backlight unit is one of display device's important spare part, display device includes display panel and backlight unit, display panel itself can not give out light, it provides the even area source of distribution so that display panel normally shows the image to need backlight unit, traditional LED is backlight unit for display screen can satisfy people's user demand basically, but still there is certain problem, concrete problem is as follows:

1. most of backlight modules for LED display screens in the current market often cannot realize stability in the installation process in the use process, so that the installation performance of the backlight module in use is greatly influenced, and the labor intensity of operators in installation is increased;

2. most of backlight modules for LED display screens in the market do not have a heat dissipation structure, and the backlight modules are easily overheated in a long-time working process, so that the image presentation effect of the backlight modules is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backlight unit for LED display screen to the steadiness in the in-process that uses that proposes often can't realize the installation in solving above-mentioned background art, thereby great influence the installation nature when backlight unit uses with not have heat radiation structure, in long-time working process, cause the overheated problem of backlight unit easily.

In order to achieve the above object, the utility model provides a following technical scheme: a backlight module for an LED display screen comprises a backlight module main body, a display screen main body, a display module, a conical fixture block, a small motor and radiating blades, wherein the inner wall of the backlight module main body is provided with first grooves at equal intervals, and the bottom end in the first groove is provided with a first spring, the top end of the first spring is provided with a supporting plate, the top end of the supporting plate is provided with a triangular clamping block, the inner wall of the display screen main body is provided with a second groove, the top end of the inner part of the second groove is provided with a trapezoidal fixture block, the top end of the inner part of the second groove is provided with a slide rail, a slide block is arranged in the slide rail, a conical fixture block is arranged at one end of the slide block far away from the slide rail, and the through-hole has been seted up to the inside of toper fixture block, the louvre has been seted up to the inside equidistant of display screen main part bottom lateral wall, and the internally mounted of louvre has small-size motor.

Preferably, the outer wall of the backlight module main body is provided with a display screen main body, and the top end of the interior of the display screen main body is provided with a display module.

Preferably, the triangular clamping block forms a reciprocating structure in the first groove through the first spring and the supporting plate, and the triangular clamping block is respectively connected with the trapezoidal clamping block and the conical clamping block.

Preferably, the inside of through-hole is provided with the connecting rod, and the both ends of connecting rod are connected with the one end of trapezoidal fixture block and the inner wall of second recess respectively.

Preferably, the outer wall of the connecting rod is sleeved with a second spring, and two ends of the second spring are respectively connected with one end of the conical clamping block and the inner wall of the second groove.

Preferably, the output end of the small motor is provided with a rotating shaft through a coupler, and the outer wall of the rotating shaft is provided with radiating blades at equal intervals.

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

1. the first groove, the first spring, the supporting plate, the triangular clamping block, the trapezoidal clamping block, the conical clamping block, the through hole and the second spring are arranged, the triangular clamping block is clamped with the trapezoidal clamping block and the conical clamping block respectively, the triangular clamping block forms a reciprocating structure in the first groove through the first spring and the supporting plate, the triangular clamping block is conveniently clamped at the middle position of the trapezoidal clamping block and the through hole, and therefore an operator can conveniently install the backlight module main body and the display screen main body;

2. meanwhile, the device is provided with a triangular clamping block, a sliding rail, a sliding block, a conical clamping block, a through hole, a connecting rod and a second spring, the sliding block and the sliding rail are matched with each other, the conical clamping block forms a reciprocating structure on the outer wall of the connecting rod through the through hole and the second spring, the conical clamping block can move through extrusion of the triangular clamping block, and therefore the triangular clamping block is clamped at one end, away from the trapezoidal clamping block, of the conical clamping block, and an operator can detach the backlight module main body from the display screen main body conveniently;

3. meanwhile, the device drives the radiating blades to rotate by starting the small motor through installing the radiating holes, the small motor, the rotating shaft and the radiating blades, so that heat generated by the backlight module main body in work is discharged through the radiating holes, the backlight module main body is conveniently and quickly radiated, and the backlight module main body is prevented from being overheated, thereby influencing the image display effect of the display module.

Drawings

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

FIG. 2 is a schematic top view of the backlight module of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

In the figure: 1. a backlight module main body; 2. a first groove; 3. a first spring; 4. a support plate; 5. a triangular clamping block; 6. a display screen main body; 7. a display module; 8. a second groove; 9. a trapezoidal fixture block; 10. a slide rail; 11. a slider; 12. a conical fixture block; 13. a through hole; 14. a connecting rod; 15. a second spring; 16. heat dissipation holes; 17. a small-sized motor; 18. a rotating shaft; 19. and a heat dissipating blade.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a backlight module for an LED display screen comprises a backlight module main body 1, a display screen main body 6, a display module 7, a conical fixture block 12, a small motor 17 and radiating blades 19, wherein first grooves 2 are formed in the inner wall of the backlight module main body 1 at equal intervals;

the display screen main body 6 is arranged on the outer wall of the backlight module main body 1, the display module 7 is arranged at the top end of the interior of the display screen main body 6, and the display module 7 is installed with the display screen main body 6 through bolts, so that an operator can conveniently install and detach the display module 7;

a first spring 3 is arranged at the bottom end inside the first groove 2, a supporting plate 4 is arranged at the top end of the first spring 3, and a triangular clamping block 5 is arranged at the top end of the supporting plate 4;

the triangular clamping block 5 forms a reciprocating structure in the first groove 2 through the first spring 3 and the supporting plate 4, and the triangular clamping block 5 is respectively connected with the trapezoidal clamping block 9 and the conical clamping block 12, and is respectively connected with the trapezoidal clamping block 9 and the conical clamping block 12 through the triangular clamping block 5, so that an operator can conveniently install the backlight module main body 1 and the display screen main body 6;

a second groove 8 is formed in the inner wall of the display screen main body 6, a trapezoidal clamping block 9 is mounted at the top end inside the second groove 8, a sliding rail 10 is mounted at the top end inside the second groove 8, a sliding block 11 is arranged inside the sliding rail 10, a conical clamping block 12 is mounted at one end, away from the sliding rail 10, of the sliding block 11, and a through hole 13 is formed inside the conical clamping block 12;

a connecting rod 14 is arranged in the through hole 13, and two ends of the connecting rod 14 are respectively connected with one end of the trapezoidal fixture block 9 and the inner wall of the second groove 8, so that the conical fixture block 12 can move left and right in a reciprocating manner on the outer wall of the connecting rod 14;

a second spring 15 is sleeved on the outer wall of the connecting rod 14, two ends of the second spring 15 are respectively connected with one end of the conical clamping block 12 and the inner wall of the second groove 8, and the conical clamping block 12 can move left and right in a reciprocating manner on the outer wall of the connecting rod 14, so that the conical clamping block 12 moves to extrude the second spring 15 to deform;

radiating holes 16 are formed in the side wall of the bottom end of the display screen main body 6 at equal intervals, and small motors 17 are installed in the radiating holes 16;

the output end of the small motor 17 is provided with a rotating shaft 18 through a coupler, and the outer wall of the rotating shaft 18 is provided with radiating blades 19 at equal intervals; the small motor 17 is started to drive the heat dissipation blades 19 to rotate, so that heat generated during the operation of the backlight module body 1 is discharged through the heat dissipation holes 16.

The working principle is as follows: when the backlight module for the LED display screen is used and the backlight module main body 1 needs to be installed, firstly, the backlight module main body 1 is inserted into the display screen main body 6, the triangular clamping block 5 is extruded when the backlight module main body 1 is inserted, and the triangular clamping block 5 forms a reciprocating structure in the first groove 2 through the first spring 3 and the supporting plate 4, so that the triangular clamping block 5 is conveniently clamped at the middle position of the trapezoidal clamping block 9 and the through hole 13, an operator can conveniently install the backlight module main body 1 and the display screen main body 6, then the display module 7 is installed in the display screen main body 6 through the bolt, and the operator can conveniently install the backlight module main body 1;

when the backlight module body 1 needs to be disassembled and overhauled, firstly, the display module 7 is disassembled through the bolt, then the triangular clamping block 5 extrudes the conical clamping block 12 by pressing the backlight module body 1, the conical clamping block 12 is mutually matched with the sliding block 11 through the sliding block 10, the conical clamping block 12 forms a reciprocating structure on the outer wall of the connecting rod 14 through the through hole 13 and the second spring 15, so that the conical clamping block 12 can move through the extrusion of the triangular clamping block 5, the triangular clamping block 5 is clamped at one end of the conical clamping block 12 away from the trapezoidal clamping block 9, then, the backlight module body 1 is pulled upwards, the triangular clamping block 5 is not clamped between the conical clamping block 12 and the trapezoidal clamping block 9, an operator can conveniently disassemble the backlight module body 1 and the display screen body 6, the labor intensity of the operator is reduced, and meanwhile, the small-sized motor 17 can be started to drive the radiating blades 19 to rotate, make backlight unit main part 1 discharge through louvre 16 at the heat that the work produced, be convenient for quick dispel the heat to backlight unit main part 1, avoid backlight unit main part 1 overheated to influence display module 7's image and present the effect, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a backlight unit for LED display screen, includes backlight unit main part (1), display screen main part (6), display module (7), toper fixture block (12), small motor (17) and radiator vane (19), its characterized in that: the backlight module comprises a backlight module main body (1), wherein first grooves (2) are formed in the inner wall of the backlight module main body (1) at equal intervals, first springs (3) are installed at the bottom ends of the inner portions of the first grooves (2), a supporting plate (4) is installed at the top end of each first spring (3), a triangular clamping block (5) is installed at the top end of each supporting plate (4), second grooves (8) are formed in the inner wall of the display screen main body (6), trapezoidal clamping blocks (9) are installed at the top ends of the inner portions of the second grooves (8), sliding rails (10) are installed at the top ends of the inner portions of the second grooves (8), sliding blocks (11) are arranged inside the sliding rails (10), conical clamping blocks (12) are installed at one ends, far away from the sliding rails (10), through holes (13) are formed in the conical clamping blocks (12), heat dissipation holes (16) are formed in, and a small-sized motor (17) is arranged in the heat dissipation hole (16).

2. The backlight module for the LED display screen according to claim 1, wherein: the outer wall of backlight unit main part (1) is provided with display screen main part (6), and the top of the inside of display screen main part (6) is provided with display module (7).

3. The backlight module for the LED display screen according to claim 1, wherein: the triangular clamping block (5) forms a reciprocating structure in the first groove (2) through the first spring (3) and the supporting plate (4), and the triangular clamping block (5) is respectively connected with the trapezoidal clamping block (9) and the conical clamping block (12).

4. The backlight module for the LED display screen according to claim 1, wherein: the inside of through-hole (13) is provided with connecting rod (14), and the both ends of connecting rod (14) are connected with the inner wall of the one end of trapezoidal fixture block (9) and second recess (8) respectively.

5. The backlight module for the LED display screen according to claim 4, wherein: and a second spring (15) is sleeved on the outer wall of the connecting rod (14), and two ends of the second spring (15) are respectively connected with one end of the conical clamping block (12) and the inner wall of the second groove (8).

6. The backlight module for the LED display screen according to claim 1, wherein: the output end of the small motor (17) is provided with a rotating shaft (18) through a coupler, and radiating blades (19) are arranged on the outer wall of the rotating shaft (18) at equal intervals.