BTB female end fitting structure

Abstract

This utility model discloses a BTB female connector structure, including a connector body with an opening for inserting and removing the male connector. The opening edge has an arcuate portion, and a guide extension portion is provided on the side of the arcuate portion away from the opening edge. The extension direction of the guide extension portion is the same as the insertion and removal direction of the male connector. By designing the opening edge as an arcuate portion and providing a guide extension portion on the side of the arcuate portion away from the opening edge, and the extension direction of the guide extension portion being the same as the insertion and removal direction of the male connector, it effectively prevents the male connector from causing scratch damage to the female connector during insertion and removal, avoids the generation of metal shavings that could lead to electrical short circuits, and guides the male connector to be inserted smoothly, reducing the risk of the spring arm being crushed, and improving the reliability and service life of the connector.

Description

Technical Field

[0001] This utility model relates to the field of BTB (Board to Board) connector technology, and in particular to a BTB female terminal fitting structure. Background Technology

[0002] In existing BTB connectors, the opening edge of the female fitting is typically designed with a bevel. This design has the following drawbacks:

[0003] During the mating process between the male and female BTB fittings, the beveled edge of the female fitting is easily crushed, causing the fitting spring arm to lose its protective function, which in turn causes the spring arm function of the product to fail.

[0004] When the sharp corners of the female fitting come into contact with the metal of the male fitting, they can easily scratch and generate metal shavings, which can cause short circuit failure in the electrical performance of the product.

[0005] The above problems seriously affect the performance and reliability of BTB connectors, and a new female fitting structure is urgently needed to solve them. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide a BTB female end fitting structure to solve the problem that the opening edge of the female end fitting is easily crushed and easily scratched to generate metal shavings in the prior art.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a BTB female end fitting structure, including a fitting body, the fitting body having an opening for inserting and removing the male end fitting, the edge of the opening having an arc portion, and a guide extension portion having a side of the arc portion away from the edge of the opening, the extension direction of the guide extension portion being the same as the insertion and removal direction of the male end fitting.

[0008] Furthermore, the radius of the arc portion is 0.2mm-0.5mm.

[0009] Furthermore, the length of the guide extension is 1mm-2mm.

[0010] Furthermore, the thickness of the guide extension is 0.1mm-0.3mm.

[0011] Furthermore, the main body of the fitting is made of beryllium bronze, and its surface is plated with a nickel layer with a thickness of 3μm-5μm.

[0012] Furthermore, the arcuate portion and the guide extension portion are integrally formed.

[0013] Furthermore, the surface roughness of the arc portion is no greater than Ra0.8.

[0014] Furthermore, the end of the guide extension is provided with a chamfer, the angle of which is 30°-45°.

[0015] Furthermore, the main body of the fitting is provided with a positioning structure for cooperating with the male fitting.

[0016] Furthermore, the positioning structure is a protrusion or groove provided on one side of the fitting body, and the size of the protrusion or groove matches the corresponding structure on the male fitting.

[0017] The beneficial effects of this utility model are as follows: The BTB female terminal hardware structure provided by this utility model designs the opening edge as an arc portion and sets a guide extension portion on the side of the arc portion away from the opening edge. The extension direction of the guide extension portion is the same as the insertion and removal direction of the male terminal hardware. This effectively prevents the male terminal hardware from being scratched and damaged during the insertion and removal process, avoids the generation of metal shavings that could lead to electrical short circuits, and guides the male terminal hardware to be inserted smoothly, reducing the risk of the spring arm being crushed and improving the reliability and service life of the connector. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of a BTB connector in the prior art.

[0019] Figure 2 This is a cross-sectional schematic diagram of the BTB female end fitting structure according to Embodiment 1 of this utility model.

[0020] Label Explanation:

[0021] 1. Fitting body; 11. Arc section; 12. Guide extension section; 2. Male fitting. Detailed Implementation

[0022] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0023] Please refer to Figure 2 A BTB female fitting structure includes a fitting body 1, the fitting body 1 having an opening for inserting and removing a male fitting 2, the edge of the opening having an arc portion 11, and a guide extension portion 12 having a side of the arc portion 11 away from the edge of the opening, the extension direction of the guide extension portion 12 being the same as the insertion and removal direction of the male fitting 2.

[0024] As can be seen from the above description, the beneficial effects of this utility model are as follows: by designing the opening edge as an arc portion 11, and providing a guide extension portion 12 on the side of the arc portion 11 away from the opening edge, and the extension direction of the guide extension portion 12 is the same as the insertion and removal direction of the male end fitting 2, it effectively prevents the male end fitting 2 from causing scratch damage to the female end fitting during insertion and removal, avoids the generation of metal shavings that could lead to electrical short circuits, and guides the male end fitting 2 to be inserted smoothly, reducing the risk of the spring arm being crushed, and improving the reliability and service life of the connector.

[0025] Furthermore, the radius of the arc portion 11 is 0.2mm-0.5mm.

[0026] As can be seen from the above description, limiting the radius of the arc portion 11 to the range of 0.2mm-0.5mm can ensure that the arc portion 11 has sufficient strength and rigidity, and can also provide a good guiding effect when the male end fitting 2 is inserted and removed, so as to avoid the impact of the connector's performance and reliability due to the arc portion 11 being too large or too small, and ensure the stability and durability of the connector during use.

[0027] Furthermore, the length of the guide extension 12 is 1mm-2mm.

[0028] As described above, the guide extension 12 is in the range of 1mm-2mm in length, which can effectively guide the insertion and removal of the male end fitting 2, enabling it to be accurately inserted into the opening, reducing deviation and friction during the insertion and removal process. At the same time, it avoids increasing structural complexity and cost due to the guide extension 12 being too long, or failing to play an effective guiding role due to it being too short, thereby improving the assembly efficiency and reliability of the connector.

[0029] Furthermore, the thickness of the guide extension 12 is 0.1mm-0.3mm.

[0030] As described above, the thickness of the guide extension 12 is in the range of 0.1mm-0.3mm. This ensures that it has a certain strength and rigidity to withstand the insertion and extraction forces, while avoiding the guide extension 12 from being easily deformed or broken due to insufficient thickness, which would affect the normal use and lifespan of the connector. If the thickness exceeds the upper limit, it may increase the complexity and cost of the structure, and have limited effect on improving the overall performance of the connector.

[0031] Furthermore, the main body 1 of the fitting is made of beryllium bronze and its surface is plated with a nickel layer with a thickness of 3μm-5μm.

[0032] As described above, the fitting body 1 is made of beryllium bronze, which has high strength, high elastic modulus and good wear resistance, and can meet the mechanical performance requirements of BTB female fittings during long-term use, ensuring the elasticity and stability of its spring arm; the surface is plated with a nickel layer with a thickness of 3μm-5μm, which can improve the surface hardness, wear resistance and corrosion resistance of the fitting body 1, further extend the service life of the connector, and improve its electrical performance.

[0033] Furthermore, the arc portion 11 and the guide extension portion 12 are integrally formed.

[0034] As can be seen from the above description, the arc portion 11 and the guide extension portion 12 are integrally formed structures, which can ensure the connection strength and integrity between the two, avoid problems such as loosening or falling off that may occur due to separate manufacturing and assembly, improve the quality and reliability of the connector, and at the same time simplify the production process, reduce manufacturing costs and assembly difficulty.

[0035] Furthermore, the surface roughness of the arc portion 11 is less than or equal to Ra0.8.

[0036] As described above, the surface roughness of the arc portion 11 is less than or equal to Ra0.8, which can reduce the friction and wear when the male end fitting 2 contacts the arc portion 11, improve the smoothness and reliability of insertion and removal, reduce the risk of metal chips generated by scratching due to surface roughness, and further enhance the electrical performance and stability of the connector.

[0037] Furthermore, the end of the guide extension 12 is provided with a chamfer, the angle of which is 30°-45°.

[0038] As described above, the guide extension 12 has a chamfer at its end, and the chamfer angle is in the range of 30°-45°. This makes it easier for the male fitting 2 to be guided into the opening during insertion and removal, reducing insertion and removal force and friction, improving the convenience and reliability of insertion and removal, and avoiding problems such as poor guiding effect or stress concentration caused by improper chamfer angle, thus extending the service life of the connector.

[0039] Furthermore, the main body 1 of the fitting is provided with a positioning structure for cooperating with the male fitting 2.

[0040] As described above, the main body 1 of the fitting is provided with a positioning structure for mating with the male fitting 2, which can ensure that the male fitting 2 and the female fitting are quickly and accurately aligned and mated during the insertion and removal process, improve the accuracy and stability of the connection, prevent poor contact or damage caused by positional deviation, and improve the overall performance and reliability of the connector.

[0041] Furthermore, the positioning structure is a protrusion or groove provided on one side of the hardware body 1, and the size of the protrusion or groove matches the corresponding structure on the male end hardware 2.

[0042] As described above, the positioning structure is a protrusion or groove on one side of the hardware body 1, and its size matches the corresponding structure on the male end hardware 2. This design is simple and reliable, easy to manufacture and assemble, and can realize quick positioning and stable connection between the female end hardware and the male end hardware 2, ensuring the stability of the electrical and mechanical performance of the connector during use.

[0043] Please refer to Figure 2 Embodiment 1 of this utility model is as follows: A BTB female connector structure includes a connector body 1, which has an opening for inserting and removing a male connector 2. The opening edge is provided with an arc portion 11, and a guide extension portion 12 is provided on the side of the arc portion 11 away from the opening edge. The extension direction of the guide extension portion 12 is the same as the insertion and removal direction of the male connector 2. It can be understood that by designing the opening edge as an arc portion 11 and providing a guide extension portion 12 on the side of the arc portion 11 away from the opening edge, and the extension direction of the guide extension portion 12 is the same as the insertion and removal direction of the male connector 2, it effectively prevents the male connector 2 from causing scratch damage to the female connector during insertion and removal, avoids the generation of metal shavings that could lead to electrical short circuits, and guides the male connector 2 to be inserted smoothly, reducing the risk of the spring arm being crushed and improving the reliability and service life of the connector.

[0044] Preferably, the arc portion 11 and the guide extension portion 12 are integrally formed. This ensures the connection strength and integrity between the two, avoids problems such as loosening or detachment that may occur due to separate manufacturing and assembly, improves the quality and reliability of the connector, simplifies the production process, and reduces manufacturing costs and assembly difficulty. Specifically, the surface roughness of the arc portion 11 is less than or equal to Ra0.8. This reduces the friction and wear when the male fitting 2 contacts the arc portion 11, improves the smoothness and reliability of insertion and removal, reduces the risk of metal shavings caused by scratching due to surface roughness, and further enhances the electrical performance and stability of the connector.

[0045] In some embodiments, the end of the guide extension 12 is chamfered at an angle of 30°-45°. This makes it easier for the male fitting 2 to be guided into the opening during insertion and removal, reducing insertion and removal forces and friction, improving the convenience and reliability of insertion and removal, and avoiding problems such as poor guiding effect or stress concentration caused by improper chamfer angle, thus extending the service life of the connector. Furthermore, a positioning structure for mating with the male fitting 2 can be provided on the fitting body 1. Specifically, the positioning structure can be a protrusion or groove on one side of the fitting body 1, the size of which matches the corresponding structure on the male fitting 2. This design is simple, reliable, easy to manufacture and assemble, and enables rapid positioning and stable connection between the female fitting and the male fitting 2, ensuring the stability of the electrical and mechanical performance of the connector during use.

[0046] Optionally, the radius of the arc portion 11 is 0.2mm-0.5mm. This ensures that the arc portion 11 has sufficient strength and rigidity, while also providing good guidance during the insertion and removal of the male fitting 2. This prevents the arc portion 11 from being too large or too small, thus affecting the performance and reliability of the connector and ensuring its stability and durability during use. Furthermore, the length of the guide extension 12 is 1mm-2mm. This ensures effective guidance for the insertion and removal of the male fitting 2, allowing it to be accurately inserted into the opening and reducing deviation and friction during the insertion and removal process. At the same time, it avoids increasing structural complexity and cost due to excessively long guide extension 12, or failing to play an effective guiding role due to excessively short guide extension 12, thereby improving the assembly efficiency and reliability of the connector; furthermore, the thickness of the guide extension 12 is 0.1mm-0.3mm, so that it can ensure that it has a certain strength and rigidity to withstand the insertion and extraction forces, while avoiding the guide extension 12 being prone to deformation or breakage due to insufficient thickness, which would affect the normal use and life of the connector; if the thickness exceeds the upper limit, it may increase the complexity and cost of the structure, and have limited improvement on the overall performance of the connector.

[0047] In some other embodiments, the hardware body 1 is made of beryllium bronze, and its surface is plated with a nickel layer with a thickness of 3μm-5μm. Beryllium bronze has high strength, high elastic modulus and good wear resistance, which can meet the mechanical performance requirements of BTB female hardware during long-term use and ensure the elasticity and stability of its spring arm. The nickel layer with a thickness of 3μm-5μm on the surface can improve the surface hardness, wear resistance and corrosion resistance of the hardware body 1, further extend the service life of the connector, and improve its electrical performance.

[0048] In summary, the BTB female connector structure provided by this utility model effectively prevents scratch damage to the female connector during the insertion and removal of the male connector by designing the opening edge as an arc and providing a guide extension on the side of the arc away from the opening edge, and the extension direction of the guide extension is the same as the insertion and removal direction of the male connector. This avoids the generation of metal shavings that could lead to electrical short circuits, while also guiding the male connector to be inserted smoothly, reducing the risk of the spring arm being crushed, and improving the reliability and service life of the connector.

[0049] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A BTB female terminal fitting structure, characterized in that, The device includes a fitting body having an opening for inserting and removing male fittings. The opening has an arc-shaped edge, and a guide extension is provided on the side of the arc-shaped edge away from the opening edge. The extension direction of the guide extension is the same as the insertion and removal direction of the male fitting.

2. The BTB female fitting structure according to claim 1, characterized in that, The radius of the arc portion is 0.2mm-0.5mm.

3. The BTB female fitting structure according to claim 1, characterized in that, The length of the guide extension is 1mm-2mm.

4. The BTB female fitting structure according to claim 1, characterized in that, The thickness of the guide extension is 0.1mm-0.3mm.

5. The BTB female end fitting structure according to claim 1, characterized in that, The main body of the fitting is made of beryllium bronze, and its surface is plated with a nickel layer with a thickness of 3μm-5μm.

6. The BTB female fitting structure according to claim 1, characterized in that, The arc portion and the guide extension portion are integrally formed.

7. The BTB female fitting structure according to claim 1, characterized in that, The surface roughness of the arc portion is no greater than Ra0.

8.

8. The BTB female fitting structure according to claim 1, characterized in that, The end of the guide extension is chamfered, and the angle of the chamfer is 30°-45°.

9. The BTB female fitting structure according to claim 1, characterized in that, The main body of the fitting is provided with a positioning structure for cooperating with the male fitting.

10. The BTB female fitting structure according to claim 9, characterized in that, The positioning structure is a protrusion or groove on one side of the fitting body, and the size of the protrusion or groove matches the corresponding structure on the male fitting.

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