CN216924294U

CN216924294U - LED backlight substrate with high stability

Info

Publication number: CN216924294U
Application number: CN202122485149.1U
Authority: CN
Inventors: 宋小凡; 陈晓峰; 吴晓东
Original assignee: JIANGSU DIFEIDA ELECTRONICS CO LTD
Current assignee: JIANGSU DIFEIDA ELECTRONICS CO LTD
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-07-08
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses an LED backlight substrate with high stability, which comprises an LED backlight substrate main body and two locking mechanisms, wherein mounting holes are symmetrically formed in the top of the LED backlight substrate main body, the two locking mechanisms are symmetrically arranged on the top of the LED backlight substrate main body, each locking mechanism comprises a semicircular locking plate, a movable block is fixedly connected to one side of each semicircular locking plate, a T-shaped sliding groove is formed in the top of the LED backlight substrate main body, a T-shaped sliding block is sleeved in an inner cavity of each T-shaped sliding groove in a sliding mode, a reset spring is fixedly connected to one side of each T-shaped sliding block, and one side of each reset spring is fixedly connected with one side of the inner wall of each T-shaped sliding groove. According to the utility model, the semicircular locking plate, the movable block, the T-shaped sliding block and the reset spring are arranged, and the semicircular locking plate is driven by the reset elasticity, the T-shaped sliding block and the movable block to always extrude the positioning bolt in the mounting hole, so that the positioning bolt is effectively prevented from rotating under stress, and the mounting stability of the LED backlight substrate is improved.

Description

LED backlight substrate with high stability

Technical Field

The utility model relates to the technical field of LED backlight substrates, in particular to an LED backlight substrate with high stability.

Background

The substrate is a basic material for manufacturing the PCB, generally, the substrate is a copper clad laminate, and the single-sided and double-sided printed boards are manufactured by selectively performing processes such as hole processing, chemical copper plating, electro-coppering, etching and the like on the substrate material copper clad laminate to obtain a desired circuit pattern. The LED backlight substrate is one of a plurality of substrates.

The LED backlight substrate is mounted through the positioning bolts in the mounting process, so that the LED backlight substrate is prevented from being damaged in the mounting process, the positioning bolts cannot be screwed too tightly, the positioning bolts are not loosened due to the fact that the positioning bolts are touched carelessly in the mounting process and are stressed, and the mounting stability of the LED backlight substrate is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an LED backlight substrate with high stability, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an LED backlight substrate with high stability comprises an LED backlight substrate main body and two locking mechanisms, wherein mounting holes are symmetrically formed in the top of the LED backlight substrate main body, and the two locking mechanisms are symmetrically arranged on the top of the LED backlight substrate main body;

the locking mechanism comprises a semicircular locking plate, one side of the semicircular locking plate is fixedly connected with a movable block, a T-shaped sliding groove is formed in the top of the LED backlight substrate main body, a T-shaped sliding block is sleeved in the inner cavity of the T-shaped sliding groove in a sliding mode, the top of the T-shaped sliding block is fixedly connected with the bottom of the movable block, a reset spring is fixedly connected to one side of the T-shaped sliding block, and one side of the reset spring is fixedly connected with one side of the inner wall of the T-shaped sliding groove.

Preferably, the back vertical surfaces of the two movable blocks are provided with clamping grooves, the top of the LED backlight substrate main body is symmetrically and fixedly connected with clamping columns, and the outer walls of the two clamping columns are movably sleeved with the inner cavities of the clamping grooves corresponding to the positions.

Preferably, the inner wall of the clamping groove is symmetrically and fixedly connected with limiting strips, and the limiting strips are made of rubber.

Preferably, the top fixedly connected with push-pull strip of movable block, evenly distributed's anti-skidding line is seted up to the outer wall of push-pull strip.

Preferably, the inner wall of the semicircular locking plate is fixedly connected with a semicircular plate, and the inner wall of the semicircular plate is provided with uniformly distributed strip-shaped grains.

Preferably, one side of the top of the LED backlight substrate main body is provided with a power supply positive connecting end, and the other side of the top of the LED backlight substrate main body is provided with a power supply negative connecting end.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by means of the arrangement of the semicircular locking plate, the movable block, the T-shaped sliding block and the reset spring, the semicircular locking plate is driven by the reset elasticity, the T-shaped sliding block and the movable block to always extrude the positioning bolt in the mounting hole, so that the positioning bolt is effectively prevented from rotating under stress, and the mounting stability of the LED backlight substrate is improved;

(2) the utility model utilizes the arrangement of the clamping column, the clamping groove and the two limiting strips to pass through the clamping column. The joint groove and the two limiting strips can effectively limit the movable block, so that the influence of the semicircular locking plate on the normal installation work of the positioning bolt is avoided, and the practicability of the locking mechanism is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic side sectional view of the semicircular locking plate according to the present invention.

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

In the figure: 1. an LED backlight substrate main body; 2. a semicircular lock plate; 3. a movable block; 4. a T-shaped slider; 5. a return spring; 6. a clamping column; 7. a limiting strip; 8. pushing the pull strip; 9. a semicircular plate; 10. a power supply positive electrode connecting end; 11. the negative electrode connecting end of the power supply.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an LED backlight substrate with high stability as shown in figures 1-3, which comprises an LED backlight substrate main body 1 and two locking mechanisms, wherein the locking mechanisms are used for preventing positioning bolts in an LED backlight substrate mounting hole from rotating, the top of the LED backlight substrate main body 1 is symmetrically provided with mounting holes, the inner wall of each mounting hole is provided with uniformly distributed internal threads, the mounting holes are internally and threadedly connected with the positioning bolts, the two locking mechanisms are symmetrically arranged at the top of the LED backlight substrate main body 1, the two locking mechanisms have the same structure, one side of the top of the LED backlight substrate main body 1 is provided with a power supply positive electrode connecting end 10, the other side of the top of the LED backlight substrate main body 1 is provided with a power supply negative electrode connecting end 11, and the power supply positive electrode connecting end 10 and the power supply negative electrode connecting end 11 enable the LED backlight substrate to be connected with a power supply;

the locking mechanism comprises a semicircular locking plate 2, one side of the semicircular locking plate 2 is fixedly connected with a movable block 3, a T-shaped sliding groove is formed in the top of the LED backlight substrate main body 1, a T-shaped sliding block 4 is sleeved in an inner cavity of the T-shaped sliding groove in a sliding mode, the T-shaped sliding groove and the T-shaped sliding block 4 are used for guaranteeing that the movable block 3 and the semicircular locking plate 2 can move stably, the top of the T-shaped sliding block 4 is fixedly connected with the bottom of the movable block 3, one side of the T-shaped sliding block 4 is fixedly connected with a reset spring 5, the reset spring 5 can elastically deform so that the semicircular locking plate 2 can be always attached to the outer wall of the large end of the positioning bolt, and one side of the reset spring 5 is fixedly connected with one side of the inner wall of the T-shaped sliding groove;

the back vertical surfaces of the two movable blocks 3 are provided with clamping grooves, the top of the LED backlight substrate main body 1 is symmetrically and fixedly connected with clamping columns 6, the outer walls of the two clamping columns 6 are movably sleeved with the inner cavities of the clamping grooves corresponding to the positions, the inner walls of the clamping grooves are symmetrically and fixedly connected with limiting strips 7, the two limiting strips 7 are used for limiting the clamping columns 6 in the clamping grooves, so that the movable blocks 3 are limited, the influence of the semicircular locking plates 2 on the normal installation work of the LED backlight substrate is avoided, and the two limiting strips 7 are made of rubber;

the top of the movable block 3 is fixedly connected with a push-pull strip 8, the push-pull strip 8 is convenient for workers to apply force to drive the movable block 3 to move, and the outer wall of the push-pull strip 8 is provided with anti-skid grains which are uniformly distributed;

the inner wall fixedly connected with semicircle board 9 of semicircle locking plate 2, the strip line of semicircle board 9 and its inner wall for increase the frictional force between locking mechanism and the positioning bolt big-end, thereby improve locking mechanism's locking effect, evenly distributed's strip line is seted up to the inner wall of semicircle board 9.

The working principle of the utility model is as follows:

when installing LED base plate in a poor light, at first exert the effort to push-and-pull strip 8, thereby to making the movable block 3 toward the opposite direction motion of mounting hole, until joint post 6 gets into the joint inslot and pass two spacing 7, after guaranteeing that movable block 3 can not take place to remove, alright carry out the installation work of LED base plate in a poor light through positioning bolt, end when the installation work, exert the effort to push-and-pull strip 8 once more, make joint post 6 break away from the joint groove, movable block 3 and semi-circular locking plate 2 just can be through reset spring 5 automatic reset motion this moment, until semi-circular locking plate 2 and the big head end of semi-circular plate 9 laminating positioning bolt, up to this moment accomplish the installation work of LED base plate in a poor light.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED backlight substrate with high stability comprises an LED backlight substrate main body (1) and two locking mechanisms, and is characterized in that mounting holes are symmetrically formed in the top of the LED backlight substrate main body (1), and the two locking mechanisms are symmetrically arranged on the top of the LED backlight substrate main body (1);

locking mechanism includes semi-circular locking plate (2), one side fixedly connected with movable block (3) of semi-circular locking plate (2), T type spout has been seted up at the top of LED base plate main part in a poor light (1), T type slider (4) have been cup jointed in the inner chamber slip of T type spout, the top of T type slider (4) and the bottom fixed connection of movable block (3), one side fixedly connected with reset spring (5) of T type slider (4), one side of reset spring (5) and one side fixed connection of T type spout inner wall.

2. The LED backlight substrate with high stability as claimed in claim 1, wherein back vertical surfaces of the two movable blocks (3) are provided with clamping grooves, the top of the LED backlight substrate body (1) is symmetrically and fixedly connected with clamping columns (6), and outer walls of the two clamping columns (6) are movably sleeved with inner cavities of the clamping grooves corresponding to positions.

3. The LED backlight substrate with high stability as claimed in claim 2, wherein the inner wall of the clamping groove is symmetrically and fixedly connected with limiting strips (7), and the two limiting strips (7) are made of rubber.

4. The LED backlight substrate with high stability as claimed in claim 1, wherein a push-pull strip (8) is fixedly connected to the top of the movable block (3), and anti-slip patterns are uniformly distributed on the outer wall of the push-pull strip (8).

5. The LED backlight substrate with high stability as claimed in claim 1, wherein a semicircular plate (9) is fixedly connected to an inner wall of the semicircular locking plate (2), and the inner wall of the semicircular plate (9) is provided with uniformly distributed stripe patterns.

6. The LED backlight substrate with high stability as claimed in claim 1, wherein a power supply positive connection terminal (10) is disposed on one side of the top of the LED backlight substrate main body (1), and a power supply negative connection terminal (11) is disposed on the other side of the top of the LED backlight substrate main body (1).