Coaxial connector with detachable two-section contact pin

Abstract

The utility model provides a coaxial connector with a detachable two-section contact pin, which comprises a contact pin, an insulating shell, a shell and a threaded sleeve, the contact pin is arranged in the insulating shell, the insulating shell is arranged in the shell, the threaded sleeve is sleeved outside the shell and is movably connected with the shell, and the inner wall of the threaded sleeve is provided with threads; the contact pin comprises a contact pin body and a contact pin head which are detachably connected at the end, an assembling boss is arranged on the periphery of the end, away from the contact pin head, of the contact pin body, the outer diameter of the contact pin head is larger than that of the contact pin body, the outer diameter of the contact pin body is matched with the inner diameter of the insulating shell, and the end, connected with the contact pin head, of the contact pin body penetrates through the insulating shell and then is connected with the contact pin head. The pin and the insulating shell are fixed by the assembly boss and the pin head; the end of the pin head away from the pin body forms a conical head. According to the utility model, the structure is optimized, the pin is arranged to be a detachable two-section structure, and reliable connection between the pin and the insulating shell is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a coaxial connector with a detachable two-section pin. Background Art

[0002] Coaxial connectors are important components widely used in communications, electronic equipment, and other fields. Existing coaxial connectors feature pins that are mated to the insulating shell. Slight dimensional deviations prevent the shell from tightly fitting the outer shell, affecting connector reliability. Furthermore, the connector pins are welded to the cable's core wire at the ends, requiring the connector and cable's core wire to be fixed relative to each other before welding. This is difficult to do, and the welds at the ends are unreliable and prone to falling off, potentially leading to signal leakage or loss. Therefore, there is a need for a coaxial connector with a detachable two-section pin to address, or at least partially solve, these problems. Utility Model Content

[0003] The embodiment of the utility model provides a coaxial connector with a detachable two-section pin, which optimizes the structure. The pin is set to a detachable two-section structure to achieve reliable connection between the pin and the insulating shell.

[0004] The embodiment of the present invention provides a coaxial connector with a detachable two-section pin, comprising a pin, an insulating shell, an outer shell and a screw sleeve, wherein the pin is arranged in the insulating shell, the insulating shell is arranged in the outer shell, the screw sleeve is sleeved on the outside of the outer shell and movably connected to the outer shell, and the inner wall of the screw sleeve is provided with a thread; the pin comprises a pin body and a pin head that are detachably connected at the end, an assembly boss is provided at the outer periphery of the end of the pin body away from the pin head, the outer diameter of the pin head is larger than the outer diameter of the pin body, the outer diameter of the pin body matches the inner diameter of the insulating shell, the end of the pin body connected to the pin head passes through the insulating shell and is connected to the pin head, the assembly boss and the pin head fix the pin to the insulating shell; the end of the pin head away from the pin body forms a tapered head.

[0005] Preferably, a connecting column is coaxially provided at the end of the pin body connected to the pin head, an external thread is provided on the outer wall of the connecting column, a connecting hole matching the connecting column is provided at the end of the pin head connected to the pin body, an internal thread matching the external thread is provided on the inner wall of the connecting hole, and the pin body and the pin head are detachably threadedly connected to the connecting hole via the connecting column.

[0006] Preferably, a mounting groove is provided at the end of the conical head away from the pin body, and the mounting groove is a straight groove.

[0007] Preferably, a core wire connection hole is provided at the end of the pin body away from the pin head, and a through welding hole is provided on the side wall of the core wire connection hole. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded to the side wall of the core wire connection hole through the welding hole.

[0008] Preferably, the outer shell includes a first connecting segment, a first mounting segment and a second connecting segment coaxially arranged in sequence; the insulating shell includes a second mounting segment and a third connecting segment coaxially arranged in sequence, the second mounting segment is inserted into the first mounting segment, and the third connecting segment is located in the second connecting segment; the pin body is inserted into the second mounting segment, and the pin head is arranged in the first connecting segment to connect with the pin body; the screw sleeve is sleeved on the outside of the first connecting segment.

[0009] Preferably, a connecting gasket is provided between the third connecting segment and the second connecting segment; the connecting gasket includes a fourth connecting segment and a fifth connecting segment coaxially arranged in sequence, the fourth connecting segment is sleeved outside the third connecting segment, the inner diameter of the fourth connecting segment matches the outer diameter of the third connecting segment, and the inner diameter of the fifth connecting segment matches the inner diameter of the third connecting segment.

[0010] Preferably, the inner walls of the fourth connecting segment and the fifth connecting segment are connected by an inclined surface; the outer wall of the fourth connecting segment is fitted with the inner wall of the second connecting segment, and a tail clip installation space is reserved between the fifth connecting segment and the inner wall of the second connecting segment.

[0011] Preferably, a rubber ring is provided between the first connecting section and the screw sleeve.

[0012] Preferably, the screw sleeve is movably connected to the housing via a snap ring.

[0013] 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.

[0014] Compared with the prior art, the technical solution of the utility model has beneficial effects.

[0015] For example, a coaxial connector with a detachable two-stage pin includes a pin, an insulating shell, an outer shell and a screw sleeve. The pin is arranged in the insulating shell, the insulating shell is arranged in the outer shell, the screw sleeve is sleeved on the outside of the outer shell and is movably connected to the outer shell, and the inner wall of the screw sleeve is provided with a thread; the pin includes a pin body and a pin head that are detachably connected at the end, and an assembly boss is provided on the outer periphery of the end of the pin body away from the pin head. The outer diameter of the pin head is larger than the outer diameter of the pin body, and the outer diameter of the pin body matches the inner diameter of the insulating shell. The end of the pin body connected to the pin head passes through the insulating shell and is connected to the pin head. The assembly boss and the pin head fix the pin to the insulating shell; reliable positioning and installation of the pin and the insulating shell are achieved; the end of the pin head away from the pin body forms a tapered head; the reasonable deployment and connection of the pin, insulating shell, outer shell and screw sleeve make the structure more stable and reliable.

[0016] For another example, a core wire connection hole is provided at the end of the welding section away from the needle section, and a through welding hole is provided on the side wall of the core wire connection hole. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded to the side wall of the core wire connection hole through the welding hole, thereby realizing a reliable welding connection between the pin and the core wire.

[0017] For another example, a straight-shaped mounting groove is provided at the end of the conical head away from the pin body, which facilitates the detachable threaded connection between the pin head and the pin body by using a screwdriver. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a coaxial connector with a detachable two-section pin in an embodiment of the present utility model;

[0019] Figure 2 It is a cross-sectional view of a coaxial connector with a detachable two-section pin in an embodiment of the present utility model;

[0020] Figure 3 is a cross-sectional view of a connecting washer in an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pin in the embodiment of the utility model;

[0022] Figure 5 It is a cross-sectional view of the pin in the embodiment of the present utility model.

[0023] Description of reference numerals:

[0024] 1. Screw sleeve;

[0025] 2. Housing; 21. First connecting section; 22. First mounting section; 23. Second connecting section;

[0026] 3. Connecting washer; 31. Fourth connecting section; 32. Fifth connecting section;

[0027] 4. Insulating shell; 41. Second mounting section; 42. Third connecting section;

[0028] 5. Snap ring;

[0029] 6. Pin; 61. Pin head; 611. Conical head; 612. Mounting slot; 62. Pin body; 621. Assembly boss; 622. Core wire connection hole; 623. Welding hole;

[0030] 7. Rubber ring. DETAILED DESCRIPTION

[0031] To make the objectives, features, and beneficial effects of the present invention more clearly understood, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described below are merely for the purpose of explaining the present invention and are not intended to limit the present invention. Furthermore, the drawings may use the same or similar reference numerals to refer to the same or similar elements in different embodiments, and the description of the same or similar elements in different embodiments, as well as the description of prior art elements, features, and effects, may be omitted.

[0032] Reference Figure 1-Figure 5 , an embodiment of the utility model provides a coaxial connector with a detachable two-section pin.

[0033] Specifically, the coaxial connector with a detachable two-stage pin includes a pin 6, an insulating shell 4, a shell 2 and a screw sleeve 1. The pin 6 is arranged in the insulating shell 4, the insulating shell 4 is arranged in the shell 2, the screw sleeve 1 is sleeved on the outside of the shell 2 and is movably connected to the shell 2, and the inner wall of the screw sleeve 1 is provided with a thread; the pin 6 includes a pin body 62 and a pin head 61 that are detachably connected at the end, and an assembly boss 621 is provided on the outer periphery of the end of the pin body 62 away from the pin head 61. The outer diameter of the pin head 61 is larger than the outer diameter of the pin body 62, and the outer diameter of the pin body 62 matches the inner diameter of the insulating shell 4. The end of the pin body 62 connected to the pin head 61 passes through the insulating shell 4 and is connected to the pin head 61. The assembly boss 621 and the pin head 61 fix the pin 6 to the insulating shell 4, thereby realizing reliable positioning and installation of the pin 6 and the insulating shell 4; a conical head 61 is formed at the end of the pin head 61 away from the pin body 62.

[0034] In some embodiments, a connecting column is coaxially provided at the end of the pin body 62 connected to the pin head 61, and an external thread is provided on the outer wall of the connecting column. A connecting hole matching the connecting column is provided at the end of the pin head 61 connected to the pin body 62, and an internal thread matching the external thread is provided on the inner wall of the connecting hole. The pin body 62 and the pin head 61 are detachably threadedly connected through the connecting column and the connecting hole.

[0035] In some embodiments, a mounting groove 612 is provided at the end of the conical head 611 away from the pin body 62. The mounting groove 612 is a straight groove, which facilitates the detachable threaded connection between the pin head 61 and the pin body 62 by using a screwdriver.

[0036] In some embodiments, a core wire connection hole 622 is provided at the end of the pin body 62 away from the pin head 61, and a through welding hole 623 is provided on the side wall of the core wire connection hole 622. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole 622, and the core wire is welded to the side wall of the core wire connection hole 622 through the welding hole 623, thereby realizing a reliable welding connection between the core wire and the pin 6.

[0037] In some embodiments, the outer shell 2 includes a first connecting section 21, a first mounting section 22, and a second connecting section 23 coaxially arranged in sequence; the insulating shell 4 includes a second mounting section 41 and a third connecting section 42 coaxially arranged in sequence, the second mounting section 41 is inserted into the first mounting section 22, and the third connecting section 42 is located in the second connecting section 23; the pin body 62 is inserted into the second mounting section 41, and the pin head 61 is arranged in the first connecting section 21 to connect the pin body 62; the screw sleeve 1 is sleeved on the outside of the first connecting section 21; the pin 6, insulating shell 4, outer shell 2 and screw sleeve 1 are reasonably deployed and connected, and the structure is more stable and reliable.

[0038] In some embodiments, a connecting gasket 3 is provided between the third connecting segment 42 and the second connecting segment 23; the connecting gasket 3 includes a fourth connecting segment 31 and a fifth connecting segment 32 coaxially arranged in sequence, the fourth connecting segment 31 is sleeved outside the third connecting segment 42, the inner diameter of the fourth connecting segment 31 matches the outer diameter of the third connecting segment 42, and the inner diameter of the fifth connecting segment 32 matches the inner diameter of the third connecting segment 42.

[0039] In some embodiments, the inner walls of the fourth connecting segment 31 and the fifth connecting segment 32 are connected by an inclined surface; the outer wall of the fourth connecting segment 31 is fitted with the inner wall of the second connecting segment 23, and a tail clip installation space is reserved between the fifth connecting segment 32 and the inner wall of the second connecting segment 23.

[0040] In some embodiments, a rubber ring 7 is provided between the first connecting section 21 and the screw sleeve 1 .

[0041] In some embodiments, the screw sleeve 1 and the housing 2 are movably connected via a snap ring 5 .

[0042] In some embodiments, the material of the pin 6 is beryllium copper, the material of the insulating shell 4 is plastic, and the material of the outer shell 2 is metal.

[0043] In summary, the coaxial connector with a detachable two-stage pin of the present invention comprises a pin 6, an insulating shell 4, a shell 2 and a screw sleeve 1. The pin 6 is arranged in the insulating shell 4, the insulating shell 4 is arranged in the shell 2, the screw sleeve 1 is sleeved outside the shell 2 and is movably connected to the shell 2, and the inner wall of the screw sleeve 1 is provided with a thread; the pin 6 includes a pin body 62 and a pin head 61 that are detachably connected at the end, and the outer periphery of the end of the pin body 62 away from the pin head 61 is provided with an assembly boss 621, and the pin head 61 is provided with a screw thread. The outer diameter is larger than the outer diameter of the pin body 62, and the outer diameter of the pin body 62 matches the inner diameter of the insulating shell 4. The end of the pin body 62 connected to the pin head 61 passes through the insulating shell 4 and is connected to the pin head 61. The assembly boss 621 and the pin head 61 fix the pin 6 and the insulating shell 4 to achieve reliable positioning and installation of the pin 6 and the insulating shell 4; the end of the pin head 61 away from the pin body 62 forms a tapered head 611; the pin 6, insulating shell 4, outer shell 2 and screw sleeve 1 are reasonably deployed and connected, and the structure is more stable and reliable.

[0044] Furthermore, the end of the pin body 62 of the utility model is provided with a core wire connection hole 622 away from the pin head 61, and the side wall of the core wire connection hole 622 is provided with a through welding hole 623. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole 622, and the core wire is welded to the side wall of the core wire connection hole 622 through the welding hole 623, thereby realizing a reliable welding connection between the core wire and the pin 6.

[0045] Furthermore, a straight-shaped mounting groove 612 is provided at the end of the conical head 611 of the present invention away from the pin body 62, so as to facilitate the detachable threaded connection between the pin head 61 and the pin body 62 by using a screwdriver.

[0046] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative, not restrictive, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claim, based on actual needs and where technically feasible, and may be derived from the technical features of the corresponding independent claim in any appropriate manner rather than solely through the specific combinations listed in the claims.

[0047] Although the present invention is disclosed as above, it is not limited thereto. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope defined by the claims.

Claims

1. A coaxial connector with a detachable two-section pin, characterized in that: It includes a pin, an insulating shell, an outer shell and a screw sleeve, the pin is arranged in the insulating shell, the insulating shell is arranged in the outer shell, the screw sleeve is sleeved on the outside of the outer shell and movably connected to the outer shell, and the inner wall of the screw sleeve is provided with a thread; the pin includes a pin body and a pin head that are detachably connected at the end, and an assembly boss is provided at the outer periphery of the end of the pin body away from the pin head, the outer diameter of the pin head is larger than the outer diameter of the pin body, the outer diameter of the pin body matches the inner diameter of the insulating shell, the end of the pin body connected to the pin head passes through the insulating shell and is connected to the pin head, the assembly boss and the pin head fix the pin to the insulating shell; the end of the pin head away from the pin body forms a tapered head.

2. The coaxial connector with detachable two-section pins according to claim 1, wherein: A connecting column is coaxially provided at the end of the pin body connected to the pin head, and an external thread is provided on the outer wall of the connecting column. A connecting hole matching the connecting column is provided at the end of the pin head connected to the pin body, and an internal thread matching the external thread is provided on the inner wall of the connecting hole. The pin body and the pin head are detachably threadedly connected to the connecting hole via the connecting column.

3. The coaxial connector with detachable two-section pins according to claim 1, wherein: The end of the conical head away from the pin body is provided with a mounting groove, and the mounting groove is a straight groove.

4. The coaxial connector with detachable two-section pins according to claim 1, wherein: A core wire connection hole is provided at the end of the pin body away from the pin head, and a through welding hole is provided on the side wall of the core wire connection hole. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole, and the core wire is welded to the side wall of the core wire connection hole through the welding hole.

5. The coaxial connector with detachable two-section pins according to claim 1, wherein: The outer shell includes a first connecting section, a first mounting section, and a second connecting section coaxially arranged in sequence; the insulating shell includes a second mounting section and a third connecting section coaxially arranged in sequence, the second mounting section is inserted into the first mounting section, and the third connecting section is located in the second connecting section; the pin body is inserted into the second mounting section, and the pin head is arranged in the first connecting section to connect with the pin body; the screw sleeve is sleeved on the outside of the first connecting section.

6. The coaxial connector with detachable two-section pins according to claim 5, wherein: A connecting gasket is provided between the third connecting segment and the second connecting segment; the connecting gasket includes a fourth connecting segment and a fifth connecting segment coaxially arranged in sequence, the fourth connecting segment is sleeved outside the third connecting segment, the inner diameter of the fourth connecting segment matches the outer diameter of the third connecting segment, and the inner diameter of the fifth connecting segment matches the inner diameter of the third connecting segment.

7. The coaxial connector with detachable two-section pins according to claim 6, wherein: The inner walls of the fourth connecting segment and the fifth connecting segment are connected by an inclined surface; the outer wall of the fourth connecting segment is fitted with the inner wall of the second connecting segment, and a tail clip installation space is reserved between the fifth connecting segment and the inner wall of the second connecting segment.

8. The coaxial connector with detachable two-section pins according to claim 5, wherein: A rubber ring is provided between the first connecting section and the screw sleeve.

9. The coaxial connector with detachable two-section pins according to claim 1, wherein: The screw sleeve is movably connected to the shell via a snap ring.

10. The coaxial connector with detachable two-section pins according to claim 1, wherein: 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.

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