Grounding terminal structure convenient to weld
By adding welding protrusions to the grounding terminal structure, the problems of narrow welding space and wire damage in traditional coaxial connectors are solved, achieving efficient and reliable welding results and improving the strength and consistency of the solder joints.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional coaxial cable connectors suffer from problems during the soldering process, such as narrow soldering space, difficulty in uniformly covering the solder, incomplete solder joints, easy damage to the wires, and low soldering efficiency.
A welding protrusion is added to the grounding terminal structure. Taking advantage of its distance from the wire, an open welding space is formed. The welding protrusion is connected to the iron shell. The outer side of the welding protrusion can be plated with nickel or silver to improve wettability and oxidation resistance. The welding protrusion is integrally formed with the substrate.
It improves welding efficiency and consistency, reduces wire damage, enhances weld strength and conductivity, and is suitable for multi-wire welding and single grounding terminal welding.
Smart Images
Figure CN224068026U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, and in particular to a grounding terminal structure that is easy to solder. Background Technology
[0002] In the production process of traditional coaxial connectors, the grounding terminal and the connector shell are usually soldered to complete the assembly of the connector. However, during the soldering process, because the solder holes of conventional connector shells are small, often no more than 2mm in diameter, the soldering iron tip cannot penetrate the solder hole to operate. This results in a narrow working space and the solder liquid cannot evenly cover the solder joint, causing phenomena such as cold solder joints or incomplete solder joints. Moreover, in the conventional soldering method, the distance between the soldering iron tip and the wire is too close, and the high temperature of the soldering can easily burn the insulation layer of the wire, reducing the reliability of the product. At the same time, when soldering multiple wires together or a single grounding terminal, it is necessary to repeatedly adjust the amount of solder and the soldering angle, resulting in low soldering efficiency and poor consistency.
[0003] Therefore, considering the aforementioned technical problems, it is necessary to provide a new technical solution. Utility Model Content
[0004] The purpose of this invention is to provide a grounding terminal structure that can improve welding efficiency and product reliability, while reducing wire damage, increasing wire lifespan, and improving connector welding consistency.
[0005] To solve the above-mentioned technical problems, this utility model provides a grounding terminal structure that is easy to weld, and the specific technical solution is as follows:
[0006] A grounding terminal structure that is easy to weld includes a substrate. One side of the substrate is connected to a wire to form a wiring side, and the other side of the substrate is used to connect to an iron shell to form a connection side. A welding protrusion is integrally formed on the connection side of the substrate and extends outward from the connection side of the substrate. The welding protrusion is close to the end edge of the substrate. The welding protrusion and the substrate are made of the same conductive material. When the grounding terminal is connected to the iron shell, it is electrically connected to the iron shell through and only through the welding protrusion.
[0007] Preferably, the end of the welding protrusion furthest from the substrate has a smooth, hemispherical arc surface to facilitate the flow of molten solder and the formation of solder joints.
[0008] Preferably, the height of the welding protrusion extending outward from the substrate is 1-2 mm, and the width of the welding protrusion is 1.5-2.5 mm.
[0009] Preferably, the height of the welding protrusion extending outward from the substrate is 1.5 mm, and the width of the welding protrusion is 1.8 mm.
[0010] Preferably, the outer side of the welding protrusion is plated with a nickel layer or a silver layer.
[0011] Preferably, the welding protrusion and the substrate are integrally formed by a single stamping using a stamping die.
[0012] The grounding terminal structure of this utility model, which is easy to weld, has the following beneficial effects:
[0013] This utility model provides a grounding terminal structure that is easy to weld. By adding a welding protrusion to the outside of the grounding terminal instead of conventional solder guide grooves and other welding auxiliary structures, and by utilizing the characteristic that the welding protrusion is far away from the wire, the soldering iron is kept away from the wire when the grounding terminal is welded to the iron shell, forming an open welding space. This makes it easier to visually monitor the amount and shape of solder and to calibrate, effectively improving the strength and conductivity of the solder joint, resulting in a higher pass rate, stronger consistency, easier and more efficient welding, and stronger process compatibility. It is suitable for welding mixed wires and single terminals without changing the tooling.
[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0015] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a cross-sectional schematic diagram of a grounding terminal structure that is easy to weld.
[0017] Wherein, 1-substrate; 11-wiring side; 12-connection side; 2-welding protrusion. Detailed Implementation
[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example
[0019] Please see Figure 1A grounding terminal structure that is easy to weld includes a substrate 1. One side of the substrate 1 is connected to a wire to form a wiring side 11, and the other side of the substrate is used to connect to an iron shell to form a connection side 12. A welding protrusion 2 is integrally formed on the connection side of the substrate and extends outward from the connection side of the substrate. The welding protrusion is close to the end edge of the substrate. The welding protrusion and the substrate are made of the same conductive material. When the grounding terminal is connected to the iron shell, it is electrically connected to the iron shell through and only through the welding protrusion.
[0020] The end of the welding protrusion 2 furthest from the substrate has a smooth, hemispherical arc surface to facilitate the flow of molten solder and the formation of solder joints. Molten solder fills the gap between the welding protrusion and the iron shell, filling the contact surface between the welding protrusion and the iron shell, and forms hemispherical solder joints after cooling.
[0021] The height of the welding protrusion 2 extending outward from the substrate is 1-2 mm, and the width of the welding protrusion is 1.5-2.5 mm. When the height of the welding protrusion 2 extending outward from the substrate is 1.5 mm and the width of the welding protrusion is 1.8 mm, the soldering effect of the welding protrusion is better and it will not affect the connection effect between the grounding terminal and the iron shell.
[0022] The outer side of the welding protrusion 2 is plated with a nickel layer or a silver layer. The plating on the outside of the welding protrusion is used to improve the welding wettability and oxidation resistance, thereby improving the welding effect.
[0023] The welding protrusion 2 and the substrate 1 are integrally formed by a single stamping using a stamping die.
[0024] The beneficial effects of this utility model are as follows: by adding a welding protrusion to the outside of the grounding terminal to replace the conventional solder guide groove and other welding auxiliary structures, and by utilizing the characteristic that the welding protrusion is far away from the wire, the soldering iron is kept away from the wire when the grounding terminal is welded to the iron shell, and an open welding space is formed. This makes it more convenient to visually monitor the amount and shape of solder and to calibrate, effectively improves the firmness and conductivity of the solder joint, has a higher pass rate and stronger consistency, makes welding more convenient and efficient, and has stronger process compatibility. It is suitable for welding mixed wires and single terminals without changing the tooling.
[0025] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications and variations to the above embodiments within the scope of the present invention.
Claims
1. A ground terminal structure facilitating soldering, characterized by: The utility model relates to a grounding terminal, comprising a substrate (1), one side of the substrate (1) is connected with a wire to form a wiring side (11), the other side of the substrate is used for being connected with an iron shell to form a connecting side (12), a welding bump (2) extending to the outside of the connecting side of the substrate is integrally formed on the connecting side of the substrate, the welding bump is close to the end edge of the substrate, the welding bump and the substrate adopt the same conductive material, and the grounding terminal is conductively connected with the iron shell through the welding bump when the grounding terminal is connected with the iron shell.
2. The ground terminal structure facilitating soldering according to claim 1, characterized by: The end of the welding bump (2) away from the substrate is a smooth arc surface in a semispherical shape to facilitate the flow of tin liquid to form a welding point.
3. The ground terminal structure facilitating soldering of claim 1, wherein: The welding bump (2) extends outward from the substrate by a height of 1-2 mm, and the width of the welding bump is 1.5-2.5 mm.
4. The ground terminal structure facilitating soldering of claim 3, wherein: The welding bump (2) extends outward from the substrate by a height of 1.5 mm, and the width of the welding bump is 1.8 mm.
5. The ground terminal structure facilitating soldering of claim 1, wherein: The outer side of the welding bump (2) is plated with a nickel layer or a silver layer.
6. The ground terminal structure facilitating soldering of claim 1, wherein: The welding bump (2) and the substrate (1) are integrally formed by single stamping using a stamping die.