CN216361893U

CN216361893U - Liquid crystal screen composite structure

Info

Publication number: CN216361893U
Application number: CN202123010010.8U
Authority: CN
Inventors: 蔡寄文; 贾俊; 谈赛; 王云飞; 石云烽; 郑文涓; 戴旭毅
Original assignee: Wasion Electric Co Ltd
Current assignee: Weisheng Energy Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-22
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a liquid crystal screen combined structure, which consists of a shielding frame, a liquid crystal screen, damping cotton and a PCB adapter plate; the liquid crystal screen is arranged in the shielding frame, the damping cotton is adhered to the rear part of the liquid crystal screen, the welding leg arranged on the shielding frame penetrates through the connecting port on the PCB adapter plate and then is welded, the welding leg is electrically connected with the grounding point on the PCB adapter plate while being welded, the fixing and interference shielding effects on the liquid crystal screen are realized, the bending piece formed on the shielding frame plays a role in leveling and limiting the PCB adapter plate, and the deformation of the welding leg during welding pressing is avoided; the liquid crystal screen combined structure disclosed by the utility model is simple in production process requirement, high in consistency and suitable for displaying of circuit breaker products.

Description

Liquid crystal screen composite structure

Technical Field

The utility model belongs to the field of electric appliances, and particularly relates to a liquid crystal display combined structure.

Background

The traditional fixed connection mode of the liquid crystal screen and the PCB is that the liquid crystal screen is stuck and fixed on the PCB by silica gel, and the FPC flat cable of the liquid crystal screen is connected with the PCB by welding; the method has long silica gel solidification time and low production efficiency; the glue amount is difficult to control, the position consistency of the liquid crystal screen is poor when the liquid crystal screen is pasted, and the conditions of unevenness, deflection and the like of the liquid crystal screen can occur; meanwhile, as the FPC flat cable welding feet are arranged closely, short circuit, insufficient welding and other defects often occur when the FPC flat cable welding feet are welded with a PCB; the existing market mostly adopts a mode of combining a plastic seat and a screen.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a liquid crystal screen combination structure.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a LCD screen integrated configuration, includes shielding frame and the PCB keysets with shielding frame fixed connection, the shielding frame is made for the metal, the shielding frame middle part takes shape there is the rectangle through-hole, the shielding frame rear portion is formed with the wall of bending around the frame, it has a plurality of piece of bending to take shape on the wall of bending, the LCD screen is installed to corresponding in the wall of bending, install the snubber block between LCD screen and the PCB keysets, the shaping has the recess that corresponds with the snubber block on the PCB keysets.

The shielding frame is fixedly connected with the PCB adapter plate in a mode that a plurality of welding feet are fixed on the shielding frame, connectors are formed on the PCB adapter plate corresponding to the welding feet, and the welding feet are connected with the connectors and then are welded and fixed; and the PCB adapter plate is provided with a grounding point, and the connector is electrically connected with the grounding point.

In a further improvement, the metal is cupronickel.

In a further improvement, the liquid crystal screen comprises a liquid crystal screen visual area, and the liquid crystal screen visual area corresponds to the area of the rectangular through hole.

In a further improvement, a U-shaped FPC flat cable is installed on the lower portion of the liquid crystal display, a rectangular groove corresponding to the U-shaped FPC flat cable is formed in the lower portion of the bending wall, a notch corresponding to the U-shaped FPC flat cable is formed in the lower portion of the PCB adapter plate, an FBC socket is installed on the rear portion of the PCB adapter plate, and the FBC socket is electrically connected with the U-shaped FPC flat cable.

In a further improvement, the bending pieces and the bending wall form an included angle of 90 degrees, and the number of the bending pieces is 4.

In a further improvement, the PCB adapter plate is provided with 3 groups of contact pins.

In a further improvement, the damping block is made of damping cotton.

In a further improvement, the number of the welding feet and the connecting ports is 4.

The utility model has the advantages that:

according to the utility model, the shielding frame and the PCB adapter plate are welded well through the welding leg and are simultaneously electrically connected with the grounding point on the PCB adapter plate, so that the fixing and interference shielding effects on the liquid crystal screen are realized, the 90-degree bent piece formed on the shielding frame is attached to the PCB adapter plate to play a role in leveling and limiting, and the deformation of the welding leg during welding pressing is avoided; the shock absorption cotton and the shielding frame can effectively protect the liquid crystal screen, the assembly can complete the production of the assembly through a simple process, the design of the assembly has consistency, and the difference caused by manual control is avoided.

Drawings

FIG. 1 is a schematic diagram of a liquid crystal panel assembly with components separated from each other;

FIG. 2 is a perspective view of a liquid crystal panel assembly;

FIG. 3 is a schematic view of a shielding frame in a liquid crystal panel assembly;

FIG. 4 is a schematic side view of an LCD panel assembly;

FIG. 5 is a schematic diagram of a back side of a liquid crystal panel assembly.

The specific implementation mode is as follows:

the utility model is further explained with reference to the drawings and the embodiments.

Example 1

As shown in fig. 1, 2, 3, 4 and 5, the liquid crystal panel assembly structure includes the following components:

a liquid crystal screen composite structure comprises a shielding frame 1 and a PCB adapter plate 4 fixedly connected with the shielding frame 1, wherein the shielding frame 1 and the PCB adapter plate 4 are fixedly connected in a mode that a plurality of welding feet 11 are fixed on the shielding frame 1, a connecting port 5 is formed on the PCB adapter plate 4 corresponding to the welding feet 11, and the welding feet 11 are connected with the connecting port 5 and then are welded and fixed; the PCB adapter plate 4 is provided with a grounding point, the connecting ports 5 are electrically connected with the grounding point, and the number of the welding legs 11 and the number of the connecting ports 5 are 4; the shielding frame 1 is made of copper white, a rectangular through hole 13 is formed in the middle of the shielding frame 1, a bent wall 14 is formed around a frame at the rear part of the

shielding frame

1, 4 bent pieces 12 are formed on the bent wall 14, an included angle of 90 degrees is formed between each bent piece 12 and the corresponding bent wall 14, a liquid crystal screen 2 is correspondingly installed in each bent wall 14, the visual area of each liquid crystal screen 2 corresponds to the area of the rectangular through hole 13, damping cotton 3 is installed at the rear part of each liquid crystal screen 2, and a groove corresponding to the damping cotton 3 is formed in each PCB adapter plate 4; a U-shaped FPC flat cable 44 is arranged at the lower part of the liquid crystal screen 2, a rectangular groove 15 corresponding to the U-shaped FPC flat cable 44 is formed at the lower part of the bending wall 14, a notch 42 corresponding to the U-shaped FPC flat cable 44 is formed at the lower part of the PCB adapter plate 4, an FBC socket 43 is arranged at the rear part of the PCB adapter plate 4, and the FBC socket 43 is electrically connected with the U-shaped FPC flat cable 44; the PCB interposer 4 has 3 sets of pins 41 mounted thereon.

In this embodiment, the connection mode and the effect of each component are as follows:

the shielding frame 1 and the PCB adapter plate 4 are welded well through the welding feet 11 and are simultaneously electrically connected with the grounding point on the PCB adapter plate 4, so that the liquid crystal screen 2 is fixed and the interference is shielded, and the 90-degree bent piece 12 formed on the shielding frame 1 is attached to the PCB adapter plate 4 to play a role in leveling and limiting, so that the deformation of the welding feet 11 during welding pressing is avoided; the damping cotton 3 and the shielding frame 1 can effectively protect the

liquid crystal screen

2, and 3 groups of contact pins 41 arranged on the PCB adapter plate 4 can be inserted into other PCBs, so that the installation is convenient; the assembly can complete the production of the components through a simple process, and the design of the combination has consistency, so that the difference caused by manual control is avoided.

While embodiments of the utility model have been disclosed above, it is not limited to the applications set forth in the description and embodiments, which are fully applicable to various fields of endeavor for which the utility model is intended, and further modifications may readily be effected therein by those skilled in the art, without departing from the general concept defined by the claims and their equivalents, which are to be limited not to the specific details shown and described herein.

Claims

1. The utility model provides a LCD screen integrated configuration, its characterized in that, including shielding frame and with shielding frame fixed connection's PCB keysets, the shielding frame is made for the metal, the shielding frame middle part is formed with the rectangle through-hole, the shielding frame rear portion is formed with the wall of bending around the frame, it has a plurality of piece of bending to form on the wall of bending, the LCD screen is installed to the correspondence in the wall of bending, install the snubber block between LCD screen and the PCB keysets, the shaping has the recess that corresponds with the snubber block on the PCB keysets.

2. The liquid crystal display panel combination structure of claim 1, wherein the shielding frame is fixedly connected with the PCB adapter plate in a manner that a plurality of solder legs are fixed on the shielding frame, a connector is formed on the PCB adapter plate corresponding to the solder legs, and the solder legs are connected with the connector and then welded and fixed; and the PCB adapter plate is provided with a grounding point, and the connector is electrically connected with the grounding point.

3. A liquid crystal panel assembly as claimed in claim 1, wherein said metal is copper white.

4. The liquid crystal screen combination structure according to claim 1, wherein the liquid crystal screen comprises a liquid crystal screen viewing area, and the liquid crystal screen viewing area corresponds to the area of the rectangular through hole.

5. The liquid crystal display panel assembly structure of claim 1, wherein a U-shaped FPC cable is mounted on a lower portion of the liquid crystal display panel, a rectangular groove corresponding to the U-shaped FPC cable is formed on a lower portion of the bending wall, a notch corresponding to the U-shaped FPC cable is formed on a lower portion of the PCB interposer, an FBC socket is mounted on a rear portion of the PCB interposer, and the FBC socket is electrically connected to the U-shaped FPC cable.

6. The liquid crystal panel assembly of claim 1, wherein the bending pieces and the bending walls form an included angle of 90 °, and the number of the bending pieces is 4.

7. The liquid crystal panel assembly of claim 1, wherein 3 sets of pins are mounted on the PCB interposer.

8. The liquid crystal panel assembly of claim 1, wherein the damping block is a damping cotton.

9. The liquid crystal panel assembly of claim 2, wherein the number of the solder tails and the number of the connectors are 4.