CN216218261U

CN216218261U - Automotive electronics PCB board mounting structure

Info

Publication number: CN216218261U
Application number: CN202122525087.2U
Authority: CN
Inventors: 陆晓明; 陈平; 李梦蝉; 王福礼; 苗天凤; 薛守博
Original assignee: Jiangsu Toppower Automotive Electronics Co ltd
Current assignee: Jiangsu Toppower Automotive Electronics Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-05
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an automotive electronic PCB (printed circuit board) mounting structure in the technical field of automotive electronic parts, which comprises a structure main body, wherein the top of the structure main body is provided with a stud and a positioning column, the top of the structure main body is movably provided with a PCB, the tops of the structure main body and the PCB are provided with metal shells, and the PCB is arranged in an interlayer between the metal shells and the structure main body.

Description

Automotive electronics PCB board mounting structure

Technical Field

The utility model relates to the technical field of automobile electronic parts, in particular to an automobile electronic PCB mounting structure.

Background

In the process of automobile electronic design, usually, the PCB and the metal shell are respectively installed and fixed with the plastic structure main body, and in the electromagnetic compatibility test process, the PCB is found to simultaneously fix the plastic structure main body and the metal shell, so that the electromagnetic compatibility characteristic of parts is improved, the number of installation screws can be reduced, and the material cost and the production cost are saved. Therefore, the automobile electronic PCB mounting structure is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a mounting structure of an electronic PCB of an automobile, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an automotive electronics PCB board mounting structure, includes the main structure body, the top of main structure body is provided with double-screw bolt and reference column, the top activity of main structure body sets up the PCB board, the top of main structure body and PCB board sets up metal casing, and the PCB board sets up in metal casing and main structure body's intermediate layer.

Furthermore, a threaded hole is formed in the inner wall of the top of the stud, a fixing hole matched with the threaded hole is formed in the PCB, and a mounting hole matched with the threaded hole is formed in the outer wall of the metal shell.

Furthermore, a positioning hole matched with the positioning column is formed in the PCB, and a limiting blind hole matched with the positioning hole is formed in the bottom of the metal shell.

Furthermore, the inner wall of the mounting hole on the metal shell is provided with a screw, and the screw penetrates through the fixing hole and is in threaded connection with the inner wall of the threaded hole.

Furthermore, the periphery of the fixing hole on the PCB board is provided with a bare copper sheet, and the bare copper sheet is electrically connected with the screw and the metal shell.

Furthermore, the height of the positioning columns is higher than that of the studs, the positioning columns are divided into two groups, and the studs are divided into four groups.

Compared with the prior art, the utility model has the beneficial effects that: the automobile electronic PCB board mounting mode designed by the utility model is simple to operate, the electromagnetic compatibility of parts can be improved, the number of mounting screws can be reduced, and the material cost and the production cost are saved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a structural body; 2. a PCB board; 3. a metal housing; 4. a screw; 5. a stud; 6. a positioning column; 7. a PCB board; 8. positioning holes; 9. and (7) installing holes.

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.

Referring to fig. 1, the present invention provides a technical solution: an automobile electronic PCB mounting structure comprises a structure main body 1, wherein the structure main body 1 adopts a plastic structure main body, the structure main body 1 is taken as a base, a stud 5 and a positioning column 6 are arranged at the top of the structure main body 1, a PCB 2 is movably arranged at the top of the structure main body 1, a metal shell 3 is arranged at the top of the structure main body 1 and the PCB 2, the PCB 2 is arranged in an interlayer between the metal shell 3 and the structure main body 1, concave plates are arranged at the left side and the right side of the metal shell 3, the sizes of the opposite end surfaces of the metal shell 3 and the PCB 2 and the structure main body 1 are the same, during mounting, firstly, the PCB 2 is positioned and mounted on the plastic structure main body 1, a positioning hole 8 and the positioning column 6 are limited and assembled during mounting, then the metal shell 3 is placed on the top of the PCB 2, a screw 4 sequentially passes through a mounting hole 9 on the metal shell 3 and a fixing hole 7 on the PCB 2, and finally, the inner wall of the stud 5 on the structure body 1 is in threaded connection, so that the assembly of the PCB 2 is completed.

Referring to fig. 1 again, the inner wall of the top of the stud 5 is provided with a threaded hole, the PCB 2 is provided with a fixing hole 7 matched with the threaded hole, and the outer wall of the metal shell 3 is provided with a mounting hole 9 matched with the threaded hole, so that the fixing hole 8, the threaded hole and the mounting hole 9 are in limit fit, and the PCB 2 can be conveniently positioned;

referring to fig. 1 again, the PCB 2 is provided with a positioning hole 8 matching with the positioning post 6, and the bottom of the metal shell 3 is provided with a limiting blind hole matching with the positioning hole 8, so that the PCB 2 and the metal shell 3 can be more conveniently limited and mounted when mounted;

referring to fig. 1 again, the inner wall of the mounting hole 9 on the metal shell 3 is provided with a screw 4, and the screw 4 passes through the fixing hole 7 and is in threaded connection with the inner wall of the threaded hole, and is fixed by the screw 4 through threaded connection, so that the PCB 2 can be mounted and mounted with better stability;

referring to fig. 1 again, bare copper sheets are arranged on the periphery of the fixing hole 7 on the PCB 2 and electrically connect the screw 4 and the metal shell 3, so that good electromagnetic compatibility is ensured when the components are mounted;

referring to fig. 1 again, the height of the positioning columns 6 is higher than that of the studs 5, and there are two sets of positioning columns 6, and there are four sets of studs 5, so that the studs are fixed and mounted in a limited manner, and the stability is high.

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. The utility model provides an automotive electronics PCB board mounting structure, includes main structure body (1), its characterized in that: the top of main structure body (1) is provided with double-screw bolt (5) and reference column (6), the top activity of main structure body (1) sets up PCB board (2), the top of main structure body (1) and PCB board (2) sets up metal casing (3), and PCB board (2) set up in the intermediate layer of metal casing (3) and main structure body (1).

2. The automotive electronics PCB board mounting structure of claim 1, wherein: the top inner wall of the stud (5) is provided with a threaded hole, the PCB (2) is provided with a fixing hole (7) matched with the threaded hole, and the outer wall of the metal shell (3) is provided with a mounting hole (9) matched with the threaded hole.

3. The automotive electronics PCB board mounting structure of claim 1, wherein: the PCB (2) is provided with a positioning hole (8) matched with the positioning column (6), and the bottom of the metal shell (3) is provided with a limiting blind hole matched with the positioning hole (8).

4. The automotive electronics PCB board mounting structure of claim 2, wherein: the inner wall of the mounting hole (9) in the metal shell (3) is provided with a screw (4), and the screw (4) penetrates through the fixing hole (7) to be connected to the inner wall of the threaded hole in a threaded mode.

5. The automotive electronics PCB board mounting structure of claim 1, wherein: the periphery of the fixing hole (7) on the PCB (2) is provided with a bare copper sheet, and the bare copper sheet is electrically connected with the screw (4) and the metal shell (3).

6. The automotive electronics PCB board mounting structure of claim 1, wherein: the height of the positioning columns (6) is higher than that of the studs (5), two groups of positioning columns (6) are provided, and four groups of studs (5) are provided.