Radio frequency coaxial hole head connector

Abstract

The utility model provides a radio frequency coaxial hole head connector, which comprises a pin, an insulating shell, a gasket and an outer shell, the pin is arranged in the insulating shell, the insulating shell is arranged in the outer shell and is fixed through the gasket, the outer shell comprises a first connecting section, a first mounting section and a fixing section which are coaxially arranged in sequence, and the outer wall of the first connecting section is provided with external threads; the insulating shell comprises a second connecting section, a second mounting section and a third connecting section which are coaxially arranged in sequence; the contact pin comprises a hole head section and a welding section which are coaxially arranged in sequence; the hole head section and the welding section are correspondingly inserted into the second connecting section and the second mounting section respectively; a connecting jack is formed in the end, away from the welding section, of the hole head section, a deformation groove is formed in the outer wall of the connecting jack in the axial direction, a core wire connecting hole is formed in the end, away from the hole head section, of the welding section, and a through welding hole is formed in the side wall of the core wire connecting hole. And the core wire is welded and connected with the side wall of the core wire connecting hole through the welding hole.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and particularly relates to a radio frequency coaxial hole connector. Background Art

[0002] Radio frequency coaxial connectors are important components widely used in fields such as communication and electronic devices. Traditional radio frequency coaxial connectors usually adopt a direct plug-in connection, that is, the hole end of the hole connector is inserted into the pin end of the pin connector, so that the pins of the jack of the hole connector and the pins of the plug of the pin connector are directly butted, resulting in insufficient connection stability and easy detachment under external force; in addition, the pins of the connector and the core wire of the cable are welded at the end. It is necessary to relatively fix the connector and the core wire of the cable before welding. The operation is not easy, and the welding at the end is unreliable and easy to fall off; this may lead to signal leakage or signal loss. Therefore, it is necessary to provide a radio frequency coaxial hole connector to solve or at least partially solve the above problems. Summary of the Utility Model

[0003] An embodiment of the utility model provides a radio frequency coaxial hole connector, which optimizes the structure. The pin is provided with a core wire connection hole and a welding hole to achieve reliable welding connection between the pin and the core wire; the outer shell is provided with an external thread to achieve reliable threaded connection of the outer shell.

[0004] A radio frequency coaxial hole connector provided by an embodiment of the utility model includes a pin, an insulating shell, a gasket and an outer shell. The pin is arranged in the insulating shell. The insulating shell is arranged in the outer shell and fixed by the gasket. The outer shell includes a first connection section, a first installation section and a fixing section arranged coaxially in sequence. The outer wall of the first connection section is provided with an external thread; the insulating shell includes a second connection section, a second installation section and a third connection section arranged coaxially in sequence. The pin includes a hole head section and a welding section arranged coaxially in sequence; the hole head section and the welding section are respectively inserted into and arranged in the second connection section and the second installation section; the second connection section is located inside the first connection section. The second installation section and the third connection section are inserted and fixed on the inner wall of the first installation section; a connection jack is arranged at the end of the hole head section far from the welding section. A deformation groove is arranged axially along the outer wall of the connection jack. A core wire connection hole is arranged at the end of the welding section far from the hole head section. A through welding hole is arranged on the side wall of the core wire connection hole. When connecting a cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded and connected to the side wall of the core wire connection hole through the welding hole.

[0005] Preferably, the inner wall of the first installation section from the end connecting the first connection section to the end connecting the fixed section is successively provided with a first step, a second step, and a third step. The inner diameters of the first step, the second step, and the third step decrease successively. The inner diameter of the second step matches the outer diameter of the second installation section, and the inner diameter of the third step matches the outer diameter of the third connection section.

[0006] Preferably, the inner diameter of the first step matches the outer diameter of the gasket; an outer wall of the second installation section near the end connecting the second connection section is provided with a fixing groove, and the diameter of the fixing groove matches the inner diameter of the gasket. When the insulating shell is arranged in the outer shell, the gasket is arranged between the fixing groove and the first step to fix the insulating shell.

[0007] Preferably, the inner diameter of the third connection section is the same as the inner diameter of the fixed section, the length of the core wire of the cable is the same as the length of the core wire connection hole, the core wire of the cable is welded to the core wire connection hole. When the pin, the insulating shell, the gasket, and the outer shell are completely installed, the third connection section of the insulating shell and the fixed section of the outer shell both cover the cable.

[0008] Preferably, the diameter of the cable is slightly smaller than the inner diameter of the fixed section, and the cable is locked by compressing the fixed section to deform it.

[0009] Preferably, there are multiple deformation grooves, and the multiple deformation grooves are arranged at equal intervals along the circumferential direction.

[0010] Preferably, the material of the pin is beryllium copper, the material of the insulating shell is plastic, and the material of the outer shell is metal.

[0011] Compared with the prior art, the technical solution of the present utility model has beneficial effects.

[0012] For example, a radio frequency coaxial pin connector includes a pin, an insulating shell, a gasket, and a housing. The pin is disposed in the insulating shell, and the insulating shell is disposed in the housing and fixed by the gasket. The housing includes a first connection section, a first mounting section, and a fixing section arranged coaxially in sequence. The outer wall of the first connection section is provided with an external thread; the insulating shell includes a second connection section, a second mounting section, and a third connection section arranged coaxially in sequence. The pin includes a hole head section and a welding section arranged coaxially in sequence; the hole head section and the welding section are respectively inserted into and disposed in the second connection section and the second mounting section; the second connection section is located inside the first connection section, and the second mounting section and the third connection section are inserted and fixed on the inner wall of the first mounting section; a connection jack is provided at the end of the hole head section away from the welding section, a deformation groove is arranged axially on the outer wall of the connection jack, a core wire connection hole is provided at the end of the welding section away from the hole head section, and a through welding hole is provided on the side wall of the core wire connection hole. When connecting a cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded and connected to the side wall of the core wire connection hole through the welding hole, realizing a reliable welding connection between the pin and the core wire; the housing is provided with an external thread to realize a reliable threaded connection of the housing; the reasonable deployment and connection of the pin, the insulating shell, the gasket, and the housing make the structure more stable and reliable; there are fewer components, simplifying the time and steps required for assembly, and improving the assembly efficiency and error tolerance rate.

[0013] For another example, the inner diameter of the third connection section is the same as the inner diameter of the fixing section, and the length of the core wire of the cable is the same as the length of the core wire connection hole, ensuring good contact connection between the core wire and the pin.

[0014] For another example, when the core wire of the cable is welded to the core wire connection hole and the pin, the insulating shell, the gasket, and the housing are installed, the third connection section of the insulating shell and the fixing section of the housing are both wrapped outside the cable; the diameter of the cable is slightly smaller than the inner diameter of the fixing section, and the cable is locked by pressing and deforming the fixing section; ensuring good fixation of the cable. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the radio frequency coaxial pin connector in an embodiment of the present invention;

[0016] Figure 2 is a cross-sectional view of the radio frequency coaxial pin connector in an embodiment of the present invention;

[0017] Figure 3 is a cross-sectional view of the housing in an embodiment of the present invention;

[0018] Figure 4 is a schematic structural diagram of the pin in an embodiment of the present invention

[0019] Figure 5 is a cross-sectional view of the pin in an embodiment of the present invention.

[0020] Description of the Reference Numerals:

[0021] 1. Outer shell; 11. First connection section; 12. First mounting section; 13. Fixed section; 121. First step; 122. Second step; 123. Third step;

[0022] 2. Insulating shell; 21. Second connection section; 22. Second mounting section; 23. Third connection section;

[0023] 3. Gasket;

[0024] 4. Pin; 41. Hole head section; 42. Welding section; 43. Connection jack; 44. Deformation groove; 45. Core wire connection hole; 46. Welding hole. Specific embodiments

[0025] To make the objectives, features, and beneficial effects of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It can be understood that the specific embodiments described below are only used to explain the present utility model and are not intended to limit the present utility model. Moreover, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and the descriptions of the same or similar elements in different embodiments and the descriptions of the elements, features, effects, etc. of the prior art may also be omitted.

[0026] Refer to Figures 1 - 5 , an embodiment of the present utility model provides a radio frequency coaxial hole head connector.

[0027] Specifically, the radio frequency coaxial pin connector includes a pin 4, an insulating shell 2, a gasket 3 and a housing 1. The pin 4 is arranged in the insulating shell 2, and the insulating shell 2 is arranged in the housing 1 and fixed by the gasket 3. The housing 1 includes a first connection section 11, a first installation section 12 and a fixing section 13 arranged coaxially in sequence. The outer wall of the first connection section 11 is provided with an external thread; the insulating shell 2 includes a second connection section 21, a second installation section 22 and a third connection section 23 arranged coaxially in sequence. The pin 4 includes a hole head section 41 and a welding section 42 arranged coaxially in sequence; the hole head section 41 and the welding section 42 are respectively inserted into and arranged in the second connection section 21 and the second installation section 22; the second connection section 21 is located inside the first connection section 11, and the second installation section 22 and the third connection section 23 are inserted and fixed on the inner wall of the first installation section 12; the end of the hole head section 41 away from the welding section 42 is provided with a connection jack 43, and a deformation groove 44 is arranged axially along the outer wall of the connection jack 43. The end of the welding section 42 away from the hole head section 41 is provided with a core wire connection hole 45, and a through welding hole 46 is arranged on the side wall of the core wire connection hole 45. When connecting a cable, the core wire of the cable is inserted into the core wire connection hole 45, and the core wire is welded and connected to the side wall of the core wire connection hole 45 through the welding hole 46; realizing reliable welding connection between the pin 4 and the core wire; the housing 1 is provided with an external thread to realize reliable threaded connection of the housing 1. While the pin 4 is paired and connected, the housing 1 is paired and threadedly connected, adding an additional fixation to enhance the safety of the paired structure and make the connection more reliable and stable; the reasonable deployment and connection of the pin 4, the insulating shell 2, the gasket 3 and the housing 1 make the structure more stable and reliable; the number of components is small, simplifying the time and steps required for assembly, and improving the assembly efficiency and error tolerance rate.

[0028] In some embodiments, the inner wall of the first installation section 12 from the end connecting the first connection section 11 to the end connecting the fixing section 13 is sequentially provided with a first step 121, a second step 122 and a third step 123. The inner diameters of the first step 121, the second step 122 and the third step 123 decrease in sequence. The inner diameter of the second step 122 matches the outer diameter of the second installation section 22, and the inner diameter of the third step 123 matches the outer diameter of the third connection section 23.

[0029] In some embodiments, the inner diameter of the first step 121 matches the outer diameter of the gasket 3; the outer wall of the end of the second installation section 22 close to the second connection section 21 is provided with a fixing groove, and the diameter of the fixing groove matches the inner diameter of the gasket 3. When the insulating shell 2 is arranged in the housing 1, the gasket 3 is arranged between the fixing groove and the first step 121 to fix the insulating shell 2; realizing reliable assembly of the insulating shell 2 and the housing 1.

[0030] In some embodiments, the inner diameter of the third connection section 23 is the same as the inner diameter of the fixing section 13, and the length of the core wire of the cable is the same as the length of the core wire connection hole 45, ensuring good contact connection between the core wire and the pin 4.

[0031] In some embodiments, when the core wires of the cable are welded to the core wire connection holes 45, and the pins 4, the insulating housing 2, the gasket 3 and the outer housing 1 are installed, the third connection section 23 of the insulating housing 2 and the fixing section 13 of the outer housing 1 are both wrapped around the cable; the diameter of the cable is slightly smaller than the inner diameter of the fixing section 13, and the cable is locked by pressing the fixing section 13 to deform it, ensuring good fixation of the cable; the cable is locked by crimping, which simplifies the operation of cable assembly and avoids the possible scratching of the connector housing caused by twisting the tail clip.

[0032] In some embodiments, there are multiple deformation grooves 44, and the multiple deformation grooves 44 are arranged at equal intervals along the circumferential direction.

[0033] In some embodiments, the material of the pin 4 is beryllium copper, the material of the insulating housing 2 is plastic, and the material of the outer housing 1 is metal.

[0034] In summary, the radio frequency coaxial hole head connector of the present invention includes a pin 4, an insulating housing 2, a gasket 3 and an outer housing 1. The pin 4 is arranged in the insulating housing 2, the insulating housing 2 is arranged in the outer housing 1 and fixed by the gasket 3. The outer housing 1 includes a first connection section 11, a first installation section 12 and a fixing section 13 arranged coaxially in sequence. The outer wall of the first connection section 11 is provided with an external thread; the insulating housing 2 includes a second connection section 21, a second installation section 22 and a third connection section 23 arranged coaxially in sequence. The pin 4 includes a hole head section 41 and a welding section 42 arranged coaxially in sequence; the hole head section 41 and the welding section 42 are respectively inserted into the second connection section 21 and the second installation section 22; the second connection section 21 is located inside the first connection section 11, and the second installation section 22 and the third connection section 23 are inserted and fixed on the inner wall of the first installation section 12; the end of the hole head section 41 away from the welding section 42 is provided with a connection jack 43, and a deformation groove 44 is arranged axially along the outer wall of the connection jack 43. The end of the welding section 42 away from the hole head section 41 is provided with a core wire connection hole 45, and a through welding hole 46 is arranged on the side wall of the core wire connection hole 45. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole 45, and the core wire is welded to the side wall of the core wire connection hole 45 through the welding hole 46; reliable welding connection between the pin 4 and the core wire is realized; the outer housing 1 is provided with an external thread to realize reliable threaded connection of the outer housing 1. While the pin 4 is paired and connected, the outer housing 1 is paired and threadedly connected, adding an additional fixation and strengthening the safety of the paired structure, making the connection more reliable and stable; the reasonable deployment and connection of the pin 4, the insulating housing 2, the gasket 3 and the outer housing 1 make the structure more stable and reliable; the number of components is small, simplifying the time and steps required for assembly, and improving the assembly efficiency and error tolerance rate.

[0035] Furthermore, the inner diameter of the third connection section 23 of the present invention is the same as the inner diameter of the fixing section 13, and the length of the core wire of the cable is the same as the length of the core wire connection hole 45, ensuring good contact connection between the core wire and the pin 4.

[0036] Further, when the core wires of the cable of the present utility model are welded to the core wire connection holes 45 and the pins 4, the insulating housing 2, the gaskets 3 and the outer housing 1 are installed, the third connection section 23 of the insulating housing 2 and the fixing section 13 of the outer housing 1 are both wrapped around the cable; the diameter of the cable is slightly smaller than the inner diameter of the fixing section 13, and the cable is locked by pressing the fixing section 13 to deform it, ensuring good fixation of the cable.

[0037] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the disclosure of the present utility model, even when describing a single embodiment with respect to specific features. The feature examples provided in the disclosure of the present utility model are intended to be illustrative rather than restrictive, unless otherwise stated. In specific implementations, according to actual needs and when technically feasible, the technical features of one or more dependent claims can be combined with the technical features of the independent claim, and can be combined in any appropriate manner rather than only through the specific combinations listed in the claims from the technical features of the corresponding independent claims.

[0038] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

Claims

1. A radio frequency coaxial hole connector, characterized in that, It includes a pin, an insulating shell, a gasket and a housing. The pin is arranged in the insulating shell, and the insulating shell is arranged in the housing and fixed by the gasket. The housing includes a first connection section, a first installation section and a fixing section arranged coaxially in sequence. The outer wall of the first connection section is provided with an external thread; the insulating shell includes a second connection section, a second installation section and a third connection section arranged coaxially in sequence. The pin includes a hole head section and a welding section arranged coaxially in sequence; the hole head section and the welding section are respectively inserted and arranged into the second connection section and the second installation section; the second connection section is located inside the first connection section, and the second installation section and the third connection section are inserted and fixed on the inner wall of the first installation section; a connection jack is arranged at the end of the hole head section away from the welding section, a deformation groove is arranged along the axial direction on the outer wall of the connection jack, a core wire connection hole is arranged at the end of the welding section away from the hole head section, and a through welding hole is arranged on the side wall of the core wire connection hole. When connecting a cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded and connected to the side wall of the core wire connection hole through the welding hole.

2. The RF coaxial hole connector according to claim 1, wherein The inner wall of the first installation section is sequentially provided with a first step, a second step and a third step from the end connecting the first connection section to the end connecting the fixing section. The inner diameters of the first step, the second step and the third step decrease in sequence. The inner diameter of the second step matches the outer diameter of the second installation section, and the inner diameter of the third step matches the outer diameter of the third connection section.

3. The RF coaxial hole connector according to claim 2, wherein The inner diameter of the first step matches the outer diameter of the gasket; a fixing groove is arranged on the outer wall of the end of the second installation section close to the second connection section. The diameter of the fixing groove matches the inner diameter of the gasket. When the insulating shell is arranged in the housing, the gasket is arranged between the fixing groove and the first step to fix the insulating shell.

4. The RF coaxial hole connector according to claim 1, wherein, The inner diameter of the third connection section is the same as the inner diameter of the fixing section. The length of the core wire of the cable is the same as the length of the core wire connection hole. When the core wire of the cable is welded to the core wire connection hole and the pin, the insulating shell, the gasket and the housing are completely installed, the third connection section of the insulating shell and the fixing section of the housing both cover the cable.

5. The RF coaxial hole connector according to claim 4, wherein, The diameter of the cable is slightly smaller than the inner diameter of the fixing section, and the cable is locked by pressing the fixing section to deform it.

6. The RF coaxial hole connector according to claim 1, characterized in that There are multiple deformation grooves, and the multiple deformation grooves are arranged at equal intervals along the circumferential direction.

7. The RF coaxial hole connector according to claim 1, characterized in that, The material of the pin is beryllium copper, the material of the insulating shell is plastic, and the material of the housing is metal.

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