CN221227831U

CN221227831U - PCB golden finger deviation prevention structure

Info

Publication number: CN221227831U
Application number: CN202322853448.5U
Authority: CN
Inventors: 陈桂坤; 刘武平; 杜彬涌
Original assignee: Huatong Precision Circuit Board Huizhou Co ltd
Current assignee: Huatong Precision Circuit Board Huizhou Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-06-25
Anticipated expiration: 2033-10-24

Abstract

The utility model provides a PCB golden finger deviation prevention structure, which relates to the field of PCB boards, and comprises a PCB board body, wherein a plurality of golden fingers are arranged on the PCB board, a coupling unit is arranged on the side part of each golden finger, a bottom plate and a CVL layer are arranged on the coupling unit, the bottom plate and the CVL layer are sequentially arranged on the coupling unit from inside to outside, a copper ring is arranged on the CVL layer, and the copper ring is arranged between the bottom plate and the CVL layer.

Description

PCB golden finger deviation prevention structure

Technical Field

The application relates to the field of PCB boards, in particular to a PCB golden finger deviation prevention structure.

Background

The PCB golden finger plays an important role in electronic products. First, they are used to connect circuit boards and other electronic components, such as sockets, connectors, chips, etc. The connecting element of the golden finger can be reliably and electrically connected with the circuit board. And secondly, the PCB golden finger is used for transmitting signals and currents. They act as input-output interfaces for the circuit board and are capable of transmitting signals and currents from the electronic component to the circuit board or from the circuit board to other electronic components.

The existing golden finger special-shaped stamping can be stamped to the copper plate in the stamping process, so that copper slag with a certain probability is generated, the copper slag can influence the performance of the PCB golden finger, the existing anti-stamping deviation is electrical measurement monitoring, and the stamping deviation is judged by taking the stamping copper plate as an open circuit.

Disclosure of Invention

The embodiment of the application aims to provide a PCB golden finger deviation prevention structure which can solve the technical problem of PCB golden finger deviation punching.

The embodiment of the application provides a PCB golden finger deviation prevention structure, which comprises a PCB board body, wherein a plurality of golden fingers are arranged on the PCB board, a coupling unit is arranged on the side part of each golden finger, a bottom plate and a CVL layer are arranged on the coupling unit, the bottom plate and the CVL layer are sequentially arranged on the coupling unit from inside to outside, a copper ring is arranged on the CVL layer, and the copper ring is arranged between the bottom plate and the CVL layer.

Preferably, the bottom plate and the CVL layer are all round, and the circle center of the bottom plate, the circle center of the CVL layer and the circle center of the copper ring are overlapped.

Preferably, the diameter of the bottom plate is 1.5-2mm, the inner diameter of the copper ring is 1.7-1.8mm, the outer diameter of the copper ring is 1.9-2.1mm, and the diameter of the CVL layer is 2.1-3mm.

Preferably, the bottom plate is made of PI material.

Preferably, the outer edge of the CVL layer may abut against the golden finger.

The utility model has the beneficial effects that:

The utility model provides a PCB golden finger deviation prevention structure, which comprises a PCB board body, wherein a plurality of golden fingers are arranged on the PCB board, a coupling unit is arranged on the side part of each golden finger, a bottom plate and a CVL layer are arranged on each coupling unit, the bottom plate and the CVL layer are sequentially arranged on each coupling unit from inside to outside, a copper ring is arranged on each CVL layer, and the copper rings are arranged between the bottom plates and the CVL layers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a partial structure of a PCB board according to the present utility model;

fig. 2 shows a structure of a coupon unit according to the present utility model.

The reference numerals are respectively:

1. a PCB body; 2. a golden finger; 3. a coupling unit; 4. a bottom plate; 5. a CVL layer; 6. a copper ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-2, a deviation preventing structure for a PCB golden finger comprises a PCB board body 1, a plurality of golden fingers 2 are arranged on the PCB board, a copper ring 6 is arranged on the side of the golden finger 2, a bottom plate 4 and a CVL layer 5 are arranged on the copper ring 3, the bottom plate 4 and the CVL layer 5 are sequentially arranged on the copper ring 3 from inside to outside, a copper ring 6 is arranged on the CVL layer 5, and the copper ring 6 is arranged between the bottom plate 4 and the CVL layer 5.

In this embodiment, the bottom plate 4 and the CVL layer 5 are all circular, and the center of the bottom plate 4, the center of the CVL layer 5, and the center of the copper ring 6 are overlapped.

Specifically, the middle part of the bottom plate 4 is punched, the size of a punched hole after punching is about 1.5mm, and when the punching fails, a punching needle contacts the copper ring 6 and causes a certain damage to the copper ring 6.

In this embodiment, the diameter of the base plate 4 is 1.5-2mm, the inner diameter of the copper ring 6 is 1.7-1.8mm, the outer diameter of the copper ring 6 is 1.9-2.1mm, the diameter of the CVL layer 5 is 2.1-3mm, specifically, the diameter of the base plate 4 is 1.7mm, the inner diameter of the copper ring 6 is 1.7mm, the outer diameter of the copper ring 6 is 2.1mm, and the outer diameter of the CVL layer 5 is 2.5mm.

In this embodiment, the bottom plate 4 is made of PI material.

In this embodiment, the outer edge of the CVL layer 5 may abut against the golden finger 2, and the coupling unit 3 may be provided with a plurality of coupling units, which may be set according to the number of punched holes.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A PCB golden finger deviation prevention structure is characterized in that: including the PCB board body, be provided with a plurality of golden fingers on the PCB board, golden finger lateral part is provided with the couple unit, be provided with bottom plate and CVL layer on the couple unit, the bottom plate the CVL layer from inside to outside in proper order set up in on the couple unit, be provided with the copper ring on the CVL layer, the copper ring set up in the bottom plate with between the CVL layer.

2. The PCB golden finger deviation prevention structure according to claim 1, wherein: the bottom plate the CVL layer is circular, the centre of a circle of bottom plate the centre of a circle of CVL layer the centre of a circle of copper ring overlaps the setting.

3. The PCB golden finger deviation prevention structure according to claim 1, wherein: the diameter of the bottom plate is 1.5-2mm, the inner diameter of the copper ring is 1.7-1.8mm, the outer diameter of the copper ring is 1.9-2.1mm, and the diameter of the CVL layer is 2.1-3mm.

4. The PCB golden finger deviation prevention structure according to claim 1, wherein: the bottom plate is made of PI materials.

5. The PCB golden finger deviation prevention structure according to claim 1, wherein: the outer edge of the CVL layer can be abutted with the golden finger.