CN219181904U

CN219181904U - Automobile PCB fixing structure

Info

Publication number: CN219181904U
Application number: CN202223549925.0U
Authority: CN
Inventors: 陈贝; 孙玲玲
Original assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Current assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-13
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an automobile PCB fixing structure, which comprises: the PCB is provided with a mounting hole; the protective sleeve is arranged in the mounting hole, and the middle part of the protective sleeve is of a hollow structure; the connecting component is detachably arranged in the protective sleeve and is used for fixing the PCB on an automobile; the utility model can solve the problem that the screw is fixed Kong Mafan when the automobile PCB is installed, which is not beneficial to the installation of the PCB.

Description

Automobile PCB fixing structure

Technical Field

The utility model relates to the technical field of PCB boards, in particular to an automobile PCB board fixing structure.

Background

The PCB circuit board, also called a printed circuit board, is an important electronic component, and is a support for electronic components. After the electronic equipment adopts the printed board, due to the consistency of the similar printed boards, the error of manual wiring is avoided, automatic insertion or mounting, automatic soldering and automatic detection of electronic components can be realized, the quality of the electronic equipment is ensured, the labor productivity is improved, the cost is reduced, the maintenance is convenient, and the PCB board can be used in the application environments of instrument boards, vehicle sound equipment, driving computers and the like on automobiles.

At present, when the automobile PCB circuit board is installed, the PCB circuit board needs to be installed through a plurality of screws, and the screws are fixed Kong Mafan when installed, so that the PCB circuit board cannot be initially fixed and positioned, and the installation of the PCB circuit board is not facilitated.

Disclosure of Invention

In order to overcome the above disadvantages, the present utility model is directed to a fixing structure for a PCB board of an automobile.

In order to achieve the above object, the present utility model comprises:

the PCB is provided with a mounting hole;

the protective sleeve is arranged in the mounting hole, and the middle part of the protective sleeve is of a hollow structure;

the connecting assembly is detachably arranged in the protective sleeve and used for fixing the PCB on an automobile.

In the above-mentioned preferred technical scheme of car PCB board fixed knot constructs, coupling assembling includes:

the pressing piece is movably arranged in the protective sleeve;

the butt piece, the butt piece has two at least and with the even installation of press piece axis center press the piece bottom, have arc elastic part on the butt piece, the butt piece is keeping away from press piece one end with the help of the elasticity of elastic part comes the butt on the protective sheath inner wall.

In the preferred technical scheme of the automobile PCB fixing structure, paraffin is fixedly connected to the inner wall of the protective sleeve, and one end, far away from the pressing piece, of the abutting piece abuts against the paraffin.

In the preferred technical scheme of the automobile PCB fixing structure, the protective cover is glued to the top of the protective cover, and one end, far away from the abutting piece, of the pressing piece abuts against the top wall of the protective cover.

In the above preferred technical solution of the fixing structure of the PCB board of the automobile, the pressing member has a stretching portion at one end far away from the abutting member.

In the preferred technical scheme of the automobile PCB fixing structure, the outer wall of the protective sleeve is provided with a thread groove, the top of the protective sleeve is provided with a liquid injection hole, and the liquid injection hole is communicated with the thread groove.

In the preferred technical scheme of the automobile PCB fixing structure, the protective sleeve is made of hard plastic.

The utility model has the beneficial effects that the connecting component is controlled to enter the threaded hole position on the automobile and is abutted against the threaded hole position, so that the PCB is preliminarily fixed on the automobile, the operation is convenient, the connecting component is sequentially taken out of the protective sleeve, one screw is nailed on the automobile through the protective sleeve while one connecting component is taken out, the installation of the PCB is realized, the operation is convenient, and the installation effect is good.

Drawings

FIG. 1 is a first schematic illustration of the present utility model;

FIG. 2 is a second schematic diagram of the present utility model;

FIG. 3 is a schematic view of a PCB in section;

figure 4 is a cross-sectional view of the protective sleeve;

FIG. 5 is a schematic illustration of the attachment of the protective sheath to the press;

FIG. 6 is a schematic illustration of the connection of the push-down member and the abutment member;

in the figure: the PCB board 1, the protective sleeve 2, the first part 21, the thread groove 211, the liquid injection hole 212, the second part 22, the pressing piece 31, the stretching part 311, the abutting piece 32, the elastic part 321, the paraffin 4 and the protective cover 5.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 to 6, a fixing structure of an automotive PCB according to the present utility model includes:

the PCB 1 is provided with a mounting hole;

the protective sleeve 2 is arranged in the mounting hole, and the middle part of the protective sleeve 2 is of a hollow structure;

the connecting assembly is detachably arranged in the protective sleeve 2 and is used for fixing the PCB 1 on an automobile.

Referring to fig. 4, the overall cross section of the protective sleeve 2 is approximately in an "i" shape, the protective sleeve 2 is composed of a first portion 21 and a second portion 22, the cross section of the first portion 21 is approximately in a "T" shape, the second portion 22 is in a circular ring shape, and the second portion 22 is in threaded connection with the bottom of the first portion 21.

It should be noted that, the automobile is provided with a threaded hole site for installing the PCB board 1, and the threaded hole site is arranged in one-to-one correspondence with the PCB board 1.

When installing PCB board 1 on the car, in the control coupling assembling got into the screw hole site on the car, coupling assembling supported in the screw hole site to realize preliminarily fixing PCB board 1 on the car, the simple operation later takes out coupling assembling protective sheath 2 in proper order, when taking out a coupling assembling, establish a screw on the car through this protective sheath 2 nail, realize the installation to PCB board 1, the simple operation, the installation is effectual.

In one or more embodiments, the connection assembly includes:

a pressing piece 31, wherein the pressing piece 31 is movably arranged in the protective sleeve 2;

the abutting piece 32 is provided with at least two abutting pieces 32, the abutting pieces 32 are uniformly arranged at the bottom of the pressing piece 31 in the center of the central axis of the pressing piece 31, the abutting pieces 32 are provided with arc-shaped elastic parts 321, and one end, far away from the pressing piece 31, of each abutting piece 32 is abutted against the inner wall of the protective sleeve 2 by means of the elastic force of the elastic parts 321.

Referring to fig. 3-6, the pressing piece 31 is matched with the inner wall of the protective sleeve 2, and the top of the pressing piece 31 extends out of the protective sleeve 2; the abutting piece 32 of the application is provided with three abutting pieces and is uniformly distributed at the bottom of the pressing piece 31 by taking the central axis of the pressing piece 31 as the center, the elastic portion 321 of the abutting piece 32 is in an arc shape, the elastic portion 321 has certain elasticity, and under the elastic action of the elastic portion 321, the abutting piece 32 is abutted and fixed on the inner wall of the protective sleeve 2 at one end far away from the pressing piece 31.

In the initial state, one end of the abutting part 32 far away from the pressing part 31 is located inside the protective sleeve 2, the upper end of the pressing part 31 extends out of the top of the protective sleeve 2, and the distance that the pressing part 31 extends out of the protective sleeve 2 is greater than the distance that the elastic part 321 is away from the bottom end of the protective sleeve 2.

When the PCB board 1 needs to be primarily fixed on the automobile, the pressing piece 31 and the abutting piece 32 are firstly controlled to move downwards in the protective sleeve 2, so that the abutting piece 32 enters the threaded hole on the automobile at one end far away from the pressing piece 31, when the elastic portion 321 is located at the bottom of the protective sleeve 2, under the elastic action of the elastic portion 321, the abutting piece 32 is abutted and fixed in the threaded hole on the automobile at one end far away from the pressing piece 31, and then the same operation is adopted for connecting components at other positions, so that the PCB board 1 is primarily fixed on the automobile.

When the PCB needs to be fixed on an automobile, firstly, the pressing piece 31 and the abutting piece 32 are pulled towards the direction away from the automobile, so that the pressing piece 31 and the abutting piece 32 are withdrawn from the protective sleeve 2, then, the screw is installed on the automobile through the protective sleeve 2, and then, the connecting components at other positions adopt the same operation, so that the PCB 1 can be fixed on the automobile, the operation is convenient, the fixing effect on the PCB 1 is good, and the practicability is strong.

In one or more embodiments, the inner wall of the protective sleeve 2 is fixedly connected with paraffin 4, and the abutting piece 32 abuts against the paraffin 4 at one end far away from the pressing piece 31.

With reference to fig. 3, by such arrangement, the installation of the pressing member 31 and the abutting member 32 is facilitated, the abutting member 32 is prevented from extending out of the protective sleeve 2, the equipment adjustment time is reduced, and the efficiency of installing the PCB board 1 on an automobile is improved.

In one or more embodiments, the protective cover 5 is glued to the top of the protective cover 2, and the pressing member 31 abuts against the top wall of the protective cover at the end remote from the abutting member 32.

With reference to fig. 1 and 3, by the arrangement, the fixing of the pressing piece 31 and the abutting piece 32 can be further realized, and the problem that the pressing piece 31 and the abutting piece 32 are lost in the transportation process is effectively prevented; when in use, the protective cover 5 is removed, and the operation is convenient.

In one or more embodiments, the pressing member 31 has a stretching portion 311 at an end away from the abutment member 32.

Referring to fig. 3, 4 and 5, a worker can take out the pressing member 31 and the abutting member 32 from the protective sleeve 2 by pulling the stretching portion 311 upward, so that the operation is convenient.

In one or more embodiments, the outer wall of the protective sleeve 2 is provided with a thread groove 211, the top of the protective sleeve 2 is provided with a liquid injection hole 212, and the liquid injection hole 212 is communicated with the thread groove 211.

Referring to fig. 3-5, it can be understood that the protective sleeve 2 is in a glue connection with the PCB board 1, when glue is injected between the protective sleeve 2 and the PCB board 1, the liquid injection hole 212 is a glue inlet, and glue can flow along the thread groove 211, so that the glue is fully distributed between the protective sleeve 2 and the PCB board 1, the glue injection efficiency is high, and the practicability is achieved.

In one or more embodiments, the protective sleeve 2 is made of a rigid plastic.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a car PCB board fixed knot constructs which characterized in that includes:

the PCB is provided with a mounting hole;

2. The automobile PCB fixing structure of claim 1, wherein: the connection assembly includes:

the pressing piece is movably arranged in the protective sleeve;

3. The automobile PCB fixing structure of claim 2, wherein: the inner wall of the protective sleeve is fixedly connected with paraffin, and one end of the abutting part far away from the pressing part abuts against the paraffin.

4. A car PCB board fixing structure according to claim 3, wherein: the protective cover is glued at the top of the protective cover, and one end of the pressing piece far away from the abutting piece abuts against the top wall of the protective cover.

5. The automobile PCB fixing structure of claim 2, wherein: the pressing piece is provided with a stretching part at one end far away from the abutting piece.

6. The automobile PCB fixing structure of claim 1, wherein: the outer wall of the protective sleeve is provided with a thread groove, the top of the protective sleeve is provided with a liquid injection hole, and the liquid injection hole is communicated with the thread groove.

7. The automobile PCB fixing structure of claim 1, wherein: the protective sleeve is made of hard plastic.