CN218471269U

CN218471269U - Connecting structure of PCB (printed circuit board) in case power supply

Info

Publication number: CN218471269U
Application number: CN202222257651.1U
Authority: CN
Inventors: 陈鸿毅
Original assignee: Dongguan Yujia Electronics Co ltd
Current assignee: Dongguan Yujia Electronics Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-10
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a connecting structure of a PCB in a case power supply, which comprises a shell, a PCB and a copper column; wherein: the shell is provided with a mounting cavity, and the PCB and the copper columns are arranged in the mounting cavity; the PCB board is provided with a positioning hole, the inner end and the outer end of the positioning hole penetrate through the PCB board, the inner end of the copper column is provided with a positioning part matched with the positioning hole, the positioning part is arranged in the positioning hole from outside to inside and is fixed on the PCB board in a tinning mode, and the outer end of the copper column is arranged on the inner wall of the mounting cavity; so, through the design of copper post, utilize location portion adaptation in the locating hole and adopt tinned mode with location portion be fixed in the locating hole on, improved the firm in connection nature between copper post and the PCB board, guaranteed the PCB board at the inside connection stability of shell, structural design is ingenious reasonable, has reduced manual work and material cost, and stability in use is good, and application scope is wide.

Description

Connecting structure of PCB (printed circuit board) in case power supply

Technical Field

The utility model relates to a PCB board field technique especially indicates a connection structure of PCB board in quick-witted case power.

Background

With the development of science and technology, computers gradually become one of indispensable machines in daily work and life, a computer case is usually provided with components such as a CPU, a main board, a hard disk, a memory stick, a video card, an optical disk drive, a case power supply and the like, the case power supply is used for converting 220V alternating current into direct current and specially supplying power to the components such as the CPU, the main board, the hard disk, the memory stick, the video card, the optical disk drive and the like, and is a hub for supplying power to all components of the case and also an important component part of the computer.

The conventional case power supply generally comprises a shell, a PCB (printed circuit board), a power supply fan, a socket and other parts, wherein when the PCB is installed, a copper column needs to be installed on the PCB in advance, a connecting hole is formed in the PCB, a threaded part is correspondingly arranged on the copper column, the threaded part penetrates through the connecting hole and is fixedly locked on the PCB through a nut, and the other end of the copper column is fixed in the shell so as to form the assembly and fixation of the PCB in the shell; however, its structural design is not good enough, and the mode that this nut is connected needs the manual work to go on, and needs the nut, and the cost of labor is high, has increased material cost, and simultaneously, if the nut is connected insecure, the PCB board receives external influence and the shake phenomenon appears in the shell easily to cause appearing damaging between PCB board and other parts, lead to the product to be unable to use, application scope is little.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a connection structure of PCB board in quick-witted case power, and it utilizes location portion adaptation in locating hole and adopts tinned mode to be fixed in location portion on the locating hole through the design of copper post, has improved the firm in connection nature between copper post and the PCB board, has reduced manual work and material cost, and application scope is wide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connecting structure of a PCB in a case power supply comprises a shell, the PCB and a copper column; wherein: the shell is provided with a mounting cavity, and the PCB and the copper column are arranged in the mounting cavity; the PCB is provided with the locating hole on the PCB board, the PCB board all link up to the inner, the outer end of locating hole, the inner of copper post is provided with the location portion of matcing the locating hole, location portion is from outer to interior set up in the locating hole and be fixed in on the PCB board through the tinned mode, the outer end of copper post sets up in the inner wall of installation cavity.

Preferably, the inner end of the positioning part passes through the positioning hole to be exposed.

As a preferable scheme, a first copper foil layer is arranged on the inner wall of the positioning hole.

Preferably, the inner surface and the outer surface of the PCB board are provided with a second copper foil layer.

As a preferred scheme, the outer end of copper post is provided with first connecting hole, the outside of casing corresponds the copper post and is provided with the second connecting hole to through a connecting piece from outer to interior connect gradually in second connecting hole, first connecting hole in order to form the equipment connection between copper post and the casing.

Preferably, the copper columns are provided with a plurality of copper columns which are arranged around the outer end edge of the PCB in a spacing mode.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the copper column is mainly designed, the positioning part is adapted to the positioning hole and fixed on the positioning hole by adopting a tinning mode, the connection firmness between the copper column and the PCB is improved, the connection stability of the PCB inside the shell is ensured, the structural design is ingenious and reasonable, the labor and material costs are reduced, the use stability is good, and the application range is wide;

and, the setting of first copper foil layer to location portion tin material adsorbs in the locating hole when tin-plating operation, has improved the speed of tin-plating operation, thereby has improved the production efficiency of product, and simultaneously, the setting of second copper foil layer, so that tin material adsorbs on the surface of PCB board, thereby has improved the joint strength between copper post and PCB board each other, and the practicality is strong.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a PCB board and copper pillars according to an embodiment of the present invention.

The attached drawings indicate the following:

10. casing 101 and mounting cavity

11. PCB board 111, locating hole

112. First copper foil layer 113, second copper foil layer

12. Copper pillar 121, positioning part

122. A first connection hole.

Detailed Description

Referring to fig. 1 and fig. 2, a specific structure of an embodiment of the present invention is shown, in which the present invention is described by taking a PCB of a chassis power supply as an example, and the present invention is not limited to be used in the chassis power supply, and can also be used in other electronic devices.

A connecting structure of a PCB in a case power supply comprises a shell 10, a PCB 11 and a copper column 12; wherein:

the shell 10 is provided with a mounting cavity 101, and the PCB 11 and the copper column 12 are arranged in the mounting cavity 101;

the PCB 11 is provided with a positioning hole 111, and the inner end and the outer end of the positioning hole 111 penetrate through the PCB 11;

the inner end of the copper column 12 is provided with a positioning part 121 matched with the positioning hole, the positioning part 121 is arranged in the positioning hole 111 from outside to inside and is fixed on the PCB 11 in a tinning mode, the outer end of the copper column 12 is arranged on the inner wall of the mounting cavity 101, the outer end of the copper column 12 is provided with a first connecting hole 122, the outer side of the shell 10 is provided with a second connecting hole corresponding to the copper column, and the second connecting hole and the first connecting hole 122 are sequentially connected with each other from outside to inside through a connecting piece so as to form assembling connection between the copper column 12 and the shell 10; preferably, the copper pillars 12 are provided with a plurality of rows and arranged at intervals around the outer end edge of the PCB board 11; so, through the design of copper post, utilize location portion adaptation in the locating hole and adopt tinned mode with location portion be fixed in the locating hole on, improved the firm in connection nature between copper post and the PCB board, guaranteed the PCB board at the inside connection stability of shell, structural design is ingenious reasonable, has reduced manual work and material cost, and stability in use is good, and application scope is wide.

In this embodiment, a first copper foil layer 112 is disposed on an inner wall of the positioning hole 111, a second copper foil layer 113 is disposed on both an inner surface and an outer surface of the PCB 11, and preferably, an inner end of the positioning portion 121 passes through the positioning hole 111 to be exposed; so, the setting on first copper foil layer to location portion tin material adsorbs in the locating hole when tin-plating operation, has improved the speed of tin-plating operation, thereby has improved the production efficiency of product, and simultaneously, the setting on second copper foil layer, so that partial tin material adsorbs in the edge of the locating hole of PCB board, thereby has improved the joint strength between each other of copper post and PCB board, and the practicality is strong.

The utility model has the key design points that the positioning part is adapted to the positioning hole and fixed on the positioning hole by adopting a tinning mode mainly through the design of the copper column, so that the connection firmness between the copper column and the PCB is improved, the connection stability of the PCB inside the shell is ensured, the structural design is ingenious and reasonable, the labor and material costs are reduced, the use stability is good, and the application range is wide;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a connection structure of PCB board in quick-witted case power which characterized in that: the PCB comprises a shell, a PCB board and a copper column; wherein: the shell is provided with a mounting cavity, and the PCB and the copper column are arranged in the mounting cavity; the PCB is provided with the locating hole on the PCB board, the PCB board all link up to the inner, the outer end of locating hole, the inner of copper post is provided with the location portion of matcing the locating hole, location portion is from outer to interior set up in the locating hole and be fixed in on the PCB board through the tinned mode, the outer end of copper post sets up in the inner wall of installation cavity.

2. The connection structure of the PCB board in the power supply of the cabinet according to claim 1, wherein: the inner end of the positioning part penetrates through the positioning hole to be exposed.

3. The connection structure of the PCB board in the power supply of the cabinet according to claim 1, wherein: and a first copper foil layer is arranged on the inner wall of the positioning hole.

4. The connection structure of the PCB board in the power supply of the cabinet according to claim 1, wherein: and the inner surface and the outer surface of the PCB are both provided with second copper foil layers.

5. The connection structure of the PCB board in the power supply of the cabinet according to claim 1, wherein: the outer end of copper post is provided with first connecting hole, the outside of casing corresponds the copper post and is provided with the second connecting hole to connect gradually in second connecting hole, first connecting hole in order to form the equipment connection between copper post and the casing from outer to interior through a connecting piece.

6. The connection structure of the PCB board in the power supply of the cabinet according to claim 1, wherein: the copper columns are provided with a plurality of copper columns and are arranged around the outer end edge of the PCB in a spacing mode.