Steel mesh structure of gold-plated component

Abstract

The utility model relates to a steel mesh structure of a gold-plated component. The steel mesh structure of the gold-plated component comprises a steel mesh body, the steel mesh body is provided with a first tin feeding opening, a second tin feeding opening, a third tin feeding opening and a fourth tin feeding opening, the first tin feeding opening is flush with the second tin feeding opening, the third tin feeding opening is flush with the first tin feeding opening, and the fourth tin feeding opening is flush with the second tin feeding opening; a first closed channel is arranged between the first tin feeding opening and the second tin feeding opening, a second closed channel is arranged between the first tin feeding opening and the third tin feeding opening, and the first closed channel is perpendicular to the second closed channel. According to the scheme provided by the invention, the tin climbing phenomenon of the connector pin caused by excessive tin amount of the solder paste and over-wide coverage of the solder paste area on the pin can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board design technical field, in particular to a steel net structure of gold plated component. BACKGROUND

[0002] SMT is a kind of surface mounting technology, it can install the surface assembly component without pin or short pin on circuit board, then is welded by reflow soldering etc.

[0003] In related art, when gold-plated material connector is installed to circuit board by SMT, because PCB pad is also gold-plated material, same material patching tin paste will be tin climbing on connector pin after reflow soldering, leading to insufficient tin paste amount of connector pin, so that loose may occur. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of steel net structures of gold plated component, can solve the phenomenon of connector pin tin climbing caused by excessive tin paste tin amount and tin paste area covers pin too widely.

[0005] The utility model discloses a kind of steel net structures of gold plated component, can solve the phenomenon of connector pin tin climbing caused by excessive tin paste tin amount and tin paste area covers pin too widely.

[0006] The first aspect of the application provides a kind of steel net structures of gold plated component, comprising: steel net body, the first tin mouth, second tin mouth, third tin mouth and fourth tin mouth are set on the steel net body, the first tin mouth and the second tin mouth are mutually flush, the third tin mouth and the first tin mouth are mutually flush, the fourth tin mouth and the second tin mouth are mutually flush;First closed channel is arranged between the first tin mouth and the second tin mouth, second closed channel is arranged between the first tin mouth and the third tin mouth, the first closed channel and the second closed channel are mutually perpendicular.

[0007] The surface area of the first tin mouth is same with the surface area of the second tin mouth.

[0008] The surface area of the second tin mouth is same with the surface area of the third tin mouth.

[0009] The surface area of the third tin mouth is same with the surface area of the fourth tin mouth.

[0010] The width of the first closed channel is 0.35mm.

[0011] The width of the second closed channel is 0.35mm.

[0012] The first tin mouth has rectangular cross-sectional structure.

[0013] The thickness of the steel mesh body is 0.12mm.

[0014] Compared with the prior art, the utility model has at least the following advantages:

[0015] The connector of the application adopts a cross-shaped steel mesh opening form, so that the tin paste with equal areas of four sides can be evenly folded to the bottom, thereby stably reducing the tin amount, in order to solve the connector pin tin climbing phenomenon caused by excessive tin paste amount and wide pin coverage of tin paste area, and prevent the problem of poor welding quality caused by less tin of the solder pad and poor welding. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments.

[0017] Figure 1 It is a structural schematic view of the steel mesh structure of the gold-plated component in an embodiment of the utility model. DETAILED DESCRIPTION

[0018] The embodiments of the application will be described in more detail with reference to the drawings. Although the embodiments of the application are shown in the drawings, it should be understood that the application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the application more thorough and complete, and to fully convey the scope of the application to those skilled in the art.

[0019] It should be understood that although the terms "first", "second", "third" and the like can be used to describe various information in the application, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information without departing from the scope of the application. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0020] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0021] When the gold-plated connector is mounted on the circuit board by SMT, because the PCB pad is also gold-plated, the same material patch tin paste will flow through reflow soldering to the connector pin to perform tin climbing, which causes the tin paste of the connector pin to be insufficient, and thus looseness may occur.

[0022] To solve the above problems, the embodiment of the present application provides a steel mesh structure of a gold-plated component, which can solve the tin paste tin amount too much and the tin paste area covering the pin too wide, thereby causing the connector pin tin climbing phenomenon.

[0023] The technical scheme of the embodiment of the present application is described in detail below with reference to the drawings.

[0024] Please refer to Figure 1 A steel mesh structure of a gold-plated component, comprising: a steel mesh body 100, the steel mesh body 100 is provided with a first tin opening 110, a second tin opening 120, a third tin opening 130 and a fourth tin opening 140, the first tin opening 110 and the second tin opening 120 are flush with each other, the third tin opening 130 and the first tin opening 110 are flush with each other, and the fourth tin opening 140 and the second tin opening 120 are flush with each other; a first closed channel 150 is arranged between the first tin opening 110 and the second tin opening 120, a second closed channel 160 is arranged between the first tin opening 110 and the third tin opening 130, and the first closed channel 150 and the second closed channel 160 are perpendicular to each other.

[0025] It should be noted that the connector of the present application adopts a cross-shaped steel mesh opening form, so that the tin paste with equal area on four sides can be evenly folded to the bottom, thereby stably reducing the tin amount, in order to solve the tin paste amount too much and the tin paste area covering the pin too wide, thereby causing the connector pin tin climbing phenomenon, and preventing the tin paste from extending to the surface of the pin to cause the problem of poor soldering quality due to less tin on the pad.

[0026] Preferably, the surface area of the first tin opening 110 is the same as that of the second tin opening 120.

[0027] Preferably, the surface area of the second tin opening 120 is the same as that of the third tin opening 130.

[0028] Preferably, the surface area of the third tin opening 130 is the same as that of the fourth tin opening 140.

[0029] Preferably, the first tin opening 110 has a rectangular cross-sectional structure.

[0030] It should be noted that the four tin openings are equal-area rectangles and are distributed in a matrix on the steel mesh.

[0031] Preferably, the width of the first closed channel 150 is 0.35mm.

[0032] Preferably, the width of the second closed channel 160 is 0.35mm.

[0033] It should be noted that by setting the first closed channel 150 and the second closed channel 160, the adjacent two tin openings can be isolated to prevent the tin paste from melting together.

[0034] Preferably, the thickness of the steel mesh body 100 is 0.12mm.

[0035] The scheme of the present application has been described in detail above with reference to the drawings. In the above examples, the description of each example is focused on, and the parts not described in detail in a certain example can be referred to the relevant description of other examples. It should also be known by those skilled in the art that the actions and modules involved in the specification are not necessarily required by the present application. In addition, it can be understood that the steps in the method of the embodiments of the present application can be adjusted, combined and reduced in sequence according to actual needs, and the modules in the device of the embodiments of the present application can be combined, divided and reduced according to actual needs.

[0036] The above has described various embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, practical application or improvement of technology in the market, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A steel mesh structure for a gold-plated component, characterized by, Comprise: A steel mesh body, first, second, third and fourth upper tin openings are opened on the steel mesh body, the first upper tin opening and the second upper tin opening are flush with each other, the third upper tin opening and the first upper tin opening are flush with each other, and the fourth upper tin opening and the second upper tin opening are flush with each other; A first closed channel is arranged between the first upper tin opening and the second upper tin opening, a second closed channel is arranged between the first upper tin opening and the third upper tin opening, and the first closed channel and the second closed channel are perpendicular to each other.

2. The gold-plated steel mesh structure of a component according to claim 1, characterized in that, The surface area of the first upper tin opening is the same as that of the second upper tin opening.

3. The gold-plated steel mesh structure of a component according to claim 1, characterized in that, The surface area of the second upper tin opening is the same as that of the third upper tin opening.

4. The gold-plated steel mesh structure of a component according to claim 1, characterized in that, The surface area of the third upper tin opening is the same as that of the fourth upper tin opening.

5. The gold-plated steel mesh structure of a component according to claim 1, wherein, The width of the first closed channel is 0.35mm.

6. The gold-plated steel mesh structure of a component according to claim 5, characterized in that The width of the second closed channel is 0.35mm.

7. The gold-plated steel mesh structure of a component according to claim 1, characterized in that, The first upper tin opening has a rectangular cross-sectional structure.

8. The gold-plated steel mesh structure of a component according to claim 1, characterized in that, The thickness of the steel mesh body is 0.12mm.

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