CN218959191U

CN218959191U - Blind hole circuit board for Mini-Led display

Info

Publication number: CN218959191U
Application number: CN202223427176.4U
Authority: CN
Inventors: 陈恩松; 向宝杰; 朱汉楚
Original assignee: Shenzhen Kelai Intelligent Display Co ltd
Current assignee: Shenzhen Kelai Intelligent Display Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-02
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of circuit boards, in particular to a blind hole circuit board for Mini-Led display, which comprises a blind hole circuit board main body, wherein buffer structures are arranged at four corners of the blind hole circuit board main body, each buffer structure comprises a fixed column, limiting sheets are connected to the upper end and the lower end of each fixed column, springs are connected to the outer surface of one side of each limiting sheet, fixing screws penetrate through the inside of each fixed column, cylindrical through grooves are formed in the joints of the corresponding fixed columns and the corresponding fixing screws, limiting rings are arranged on the outer surfaces of the side ends of the corresponding fixing screws, and when a shell is impacted outside, the buffer structures are arranged in the blind hole circuit board main body through the springs at the upper end and the lower end of each fixed column in each buffer structure, so that the blind hole circuit board main body 1 is prevented from vibrating due to the fact that impact force directly acts on the blind hole circuit board main body, and the service life of the blind hole circuit board main body can be effectively prolonged.

Description

Blind hole circuit board for Mini-Led display

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a blind hole circuit board for Mini-Led display.

Background

Blind hole PCBs are one of the most common printed circuit boards in today's various modern electronic devices (e.g., smart phones, notebook computers, touch screen devices, gaming machines, etc.); it uses blind vias and other types of vias in its connection system to provide high density interconnections between different layers on a circuit board.

The existing blind hole circuit board for Mini-Led display generally utilizes bolt fixing and the inside of a shell, the blind hole circuit board is connected with the shell in a hard connection mode, when the outside of the shell is impacted, the blind hole circuit board is easy to damage due to the lack of a buffer structure, and the service life of the blind hole circuit board is shortened.

There is therefore a need for a blind hole circuit board for Mini-Led displays that ameliorates the above-described problems.

Disclosure of Invention

The utility model aims to provide a blind hole circuit board for Mini-Led display, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a blind hole circuit board for Mini-Led shows, includes blind hole circuit board main part, buffer structure is installed to blind hole circuit board main part's four corners department, buffer structure includes the fixed column, the upper and lower both ends of fixed column all are connected with spacing piece, one side surface connection of spacing piece has the spring, the inside of fixed column runs through there is set screw, the cylinder logical groove has been seted up to the junction of fixed column and set screw, set screw's side surface is provided with the spacing ring.

As a preferable scheme of the utility model, the fixing column and the blind hole circuit board main body are fixedly connected, and the limiting sheet and the fixing column are of an integrated structure.

As a preferable scheme of the utility model, the connection mode between the spring and the limiting piece is fixed connection, and the fixing column and the limiting piece are both made of plastic materials.

As a preferable scheme of the utility model, the number of the limiting plates and the springs in the buffer structure is two groups, and the limiting plates and the springs are symmetrically distributed.

As a preferable scheme of the utility model, the fixed column is movably sleeved with the fixed screw through the cylindrical through groove.

As a preferable scheme of the utility model, the connection mode between the limiting ring and the fixing screw is fixed welding, and the diameter of the cylindrical through groove is larger than that of the limiting ring.

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

1. according to the utility model, the buffer structure is arranged in the blind hole circuit board for Mini-Led display, when the outside of the shell is impacted, springs at the upper end and the lower end of the fixing column in the buffer structure buffer the blind hole circuit board main body, so that the impact force is prevented from directly acting on the blind hole circuit board main body to cause vibration of the blind hole circuit board main body 1, and the service life of the blind hole circuit board main body can be effectively prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the buffer structure of the present utility model;

fig. 3 is a split perspective view of a buffer structure according to the present utility model.

In the figure: 1. a blind hole circuit board main body; 2. a buffer structure; 201. fixing the column; 202. a limiting piece; 203. a spring; 204. a fixing screw; 205. a cylindrical through groove; 206. and a limiting ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments in the present utility model are all within the protection scope of the present utility model.

In order to facilitate an understanding of the utility model, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including one or more of the relevant listed items and all combinations thereof.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a blind hole circuit board for Mini-Led shows, including blind hole circuit board main part 1, buffer structure 2 is installed to blind hole circuit board main part 1's four corners department, buffer structure 2 includes fixed column 201, and both ends all are connected with spacing piece 202 about the fixed column 201, and one side surface of spacing piece 202 is connected with spring 203, and the inside of fixed column 201 runs through has set screw 204, and cylindrical logical groove 205 has been seted up to the junction of fixed column 201 and set screw 204, and set screw 204's side surface is provided with spacing ring 206.

The fixing column 201 is fixedly connected with the blind hole circuit board main body 1, the limiting piece 202 and the fixing column 201 are of an integrated structure, and the fixing column 201 is cylindrical.

The connection mode between the spring 203 and the limiting piece 202 is fixed connection, the materials of the fixing column 201 and the limiting piece 202 are all plastic materials, and the cross section of the limiting piece 202 is circular.

The number of the limiting sheets 202 and the number of the springs 203 in the buffer structure 2 are two, and the limiting sheets and the springs are symmetrically distributed; springs 203 at the upper end and the lower end of the fixing column 201 buffer the blind hole circuit board main body 1, so that impact force is prevented from being directly conducted onto the blind hole circuit board main body 1, and the service life of the blind hole circuit board main body 1 can be effectively prolonged.

The fixed column 201 is movably sleeved with the fixed screw 204 through a cylindrical through groove 205.

The connection mode between the limiting ring 206 and the fixing screw 204 is fixed welding, and the diameter of the cylindrical through groove 205 is larger than that of the limiting ring 206.

The working flow of the utility model is as follows: when the blind hole circuit board for Mini-Led display is installed, firstly, the blind hole circuit board main body 1 is placed at a designated position in the shell, under the condition that the fixing column 201 is movably sleeved with the fixing screw 204 through the cylindrical through groove 205, the fixing screw 204 passes through the fixing column 201 through the cylindrical through groove 205, after the fixing screw 204 is screwed into an installation seat on the shell by using a tool, and the like, other parts in the shell are assembled after four groups of fixing screws 204 are installed, finally, the shell is closed, when the outside of the shell is impacted, springs 203 at the upper end and the lower end of the fixing column 201 buffer the blind hole circuit board main body 1, and impact force is prevented from directly acting on the blind hole circuit board main body 1 to cause vibration and vibration, so that the service life of the blind hole circuit board main body 1 can be effectively prolonged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein 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. A blind hole circuit board for Mini-Led shows, includes blind hole circuit board main part (1), its characterized in that: the utility model discloses a blind hole circuit board, including blind hole circuit board main part (1), buffer structure (2) are installed in four corners department of blind hole circuit board main part (1), buffer structure (2) are including fixed column (201), both ends all are connected with spacing piece (202) about fixed column (201), one side surface of spacing piece (202) is connected with spring (203), the inside of fixed column (201) is run through there is set screw (204), cylindrical logical groove (205) have been seted up in the junction of fixed column (201) and set screw (204), the side surface of set screw (204) is provided with spacing ring (206).

2. The blind hole circuit board for Mini-Led display of claim 1, wherein: the fixing column (201) is fixedly connected with the blind hole circuit board main body (1), and the limiting piece (202) and the fixing column (201) are of an integrated structure.

3. The blind hole circuit board for Mini-Led display of claim 1, wherein: the spring (203) is fixedly connected with the limiting piece (202), and the fixing column (201) and the limiting piece (202) are made of plastic materials.

4. The blind hole circuit board for Mini-Led display of claim 1, wherein: the number of the limiting sheets (202) and the number of the springs (203) in the buffer structure (2) are two, and the limiting sheets and the springs are symmetrically distributed.

5. The blind hole circuit board for Mini-Led display of claim 1, wherein: the fixing column (201) is movably sleeved with the fixing screw (204) through a cylindrical through groove (205).

6. The blind hole circuit board for Mini-Led display of claim 1, wherein: the connection mode between the limiting ring (206) and the fixing screw (204) is fixed welding, and the diameter of the cylindrical through groove (205) is larger than that of the limiting ring (206).