Coaxial connector based on ball clamping

Abstract

The utility model provides a coaxial connector based on ball clamping, which comprises a pin, an insulating shell, an insulating ring, a shell and a threaded sleeve, the pin is arranged in the insulating shell and extends into the insulating ring, and the insulating shell and the insulating ring are arranged in the shell; a ball hole is formed in the shell in the radial direction in a penetrating mode, a ball is arranged in the ball hole, the ball is allowed to move in the ball hole in the radial direction within a certain range, the thread sleeve is arranged outside the ball hole of the shell in a sleeving mode, and a spring is arranged in the ball hole. One end of the spring abuts against the ball, and the other end of the spring abuts against the inner wall of the threaded sleeve. A petal ring is arranged between the insulating shell and the outer shell, the inner wall of the petal ring wraps the insulating shell, and the inner wall of the petal ring is connected with the outer shell. According to the utility model, the shell is provided with the spring and the ball, and reliable connection with a paired connector is realized through the ball; petal rings are arranged in the shell, so that connection is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a coaxial connector based on ball locking. Background Art

[0002] RF coaxial connectors are a key component widely used in communications, electronic equipment, and other fields. Traditional RF coaxial connectors typically utilize a straight-plug connection, where the female end of a female connector plugs into the pin end of a male connector. This allows the female connector's pin to directly mate with the pin's pin. This lacks stability and can easily cause disengagement when subjected to external forces. Therefore, there is a need for a coaxial connector based on a ball-type detent to address, or at least partially resolve, these issues. Utility Model Content

[0003] The embodiment of the utility model provides a coaxial connector based on ball locking, which has an optimized structure, and a spring and a ball are set in the shell, and a reliable connection with a matching connector is achieved through the ball; a petal ring is set in the shell, and the connection is more stable.

[0004] An embodiment of the present invention provides a coaxial connector based on ball positioning, comprising a pin, an insulating shell, an insulating ring, an outer shell and a screw sleeve, wherein the pin is arranged in the insulating shell and extends into the insulating ring, and the insulating shell and the insulating ring are arranged in the outer shell; the outer shell is radially penetrated by a ball hole, the ball hole is provided with a ball and allows the ball to move radially within a certain range in the ball hole, the screw sleeve is sleeved outside the ball hole of the outer shell, and a spring is provided in the ball hole, one end of the spring abuts against the ball and the other end abuts against the inner wall of the screw sleeve; a petal ring is provided between the insulating shell and the outer shell, the inner wall of the petal ring covers the insulating shell, and the inner wall of the petal ring is connected to the outer shell.

[0005] Preferably, the diameter of the ball hole gradually increases radially from the inside to the outside, the diameter of the ball is smaller than the maximum outer diameter of the ball hole and larger than the minimum outer diameter of the ball hole, the ball hole prevents the ball from escaping from the inside and allows the ball to move radially within a certain range in the ball hole under the action of external force and the elastic force of the spring.

[0006] Preferably, 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 third connecting section, a second mounting section and a fourth connecting section coaxially arranged in sequence, and the pin includes a needle section, a transition section and a welding section coaxially arranged in sequence; the transition section is inserted into the second mounting section; the welding section is located in the fourth connecting section, and the second mounting section is inserted and fixed inside the first mounting section; the fourth connecting section is inserted and fixed inside the second connecting section; and the screw sleeve is sleeved on the outside of the first connecting section.

[0007] Preferably, the third connecting section is located inside the first connecting section, and the petal ring is arranged outside the third connecting section; the outer wall of the petal ring is provided with an external thread, and the inner wall of the first connecting section close to the first installation section is provided with an internal thread matching the external thread, and the petal ring is threadedly connected to the outer shell.

[0008] Preferably, the insulating ring is arranged between the welding section of the pin and the fourth connecting section of the insulating shell.

[0009] Preferably, a washer is further included, one end of which is inserted between the insulating ring and the outer shell until it abuts against the end of the insulating shell, and the other end abuts against the end of the insulating ring.

[0010] Preferably, the inner wall of the first connecting section of the shell is provided with a groove, a rubber ring is provided in the groove, and the rubber ring is located between the petal ring and the shell.

[0011] Preferably, a core wire connection hole is provided at the end of the welding 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.

[0012] Preferably, the end of the needle section of the insertion pin away from the welding section forms a tapered head; and the outer wall of the welding section is provided with an assembly boss and knurling.

[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 based on ball positioning includes a pin, an insulating shell, an insulating ring, an outer shell and a screw sleeve. The pin is arranged in the insulating shell and extends into the insulating ring. The insulating shell and the insulating ring are arranged in the outer shell; a ball hole is radially penetrated by the outer shell, a ball is arranged in the ball hole and allows the ball to move radially within a certain range in the ball hole, the screw sleeve is sleeved outside the ball hole of the outer shell, and a spring is arranged in the ball hole, one end of the spring abuts against the ball and the other end abuts against the inner wall of the screw sleeve; a petal ring is arranged between the insulating shell and the outer shell, the inner wall of the petal ring covers the insulating shell, and the inner wall of the petal ring is connected to the outer shell; a reliable connection with the matching connector is achieved through the ball; the petal ring is arranged in the outer shell, and the connection with the matching connector is more stable; 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, an insulating ring connected to the insulating shell and a washer connected to the insulating ring are provided to achieve insulation between the pin and the core wire and the shell while ensuring reliable fixation of the cable.

[0017] 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. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a coaxial connector based on ball locking in an embodiment of the present invention;

[0019] Figure 2 It is a cross-sectional view of a coaxial connector based on ball locking in an embodiment of the present utility model;

[0020] Figure 3 is a cross-sectional view of the housing 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. Ball hole; 22. Internal thread; 23. Groove; 24. Snap ring groove; 25. First connecting section; 26. First mounting section; 27. Second connecting section;

[0026] 3. Washer;

[0027] 4. Insulation ring;

[0028] 5. Insulating shell; 51. Third connecting section; 52. Second mounting section; 53. Fourth connecting section;

[0029] 6. Insert pin; 61. Needle head section; 611. Conical head; 62. Transition section; 63. Welding section; 64. Knurling; 65. Assembly boss; 66. Core wire connection hole; 67. Welding hole;

[0030] 7. Rubber ring;

[0031] 8. Petal circle;

[0032] 9. Snap ring. DETAILED DESCRIPTION

[0033] In order to make the purpose, features and beneficial effects of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is understood that the specific embodiments described below are only used to explain the present invention, and are not intended to limit the present invention. In addition, the same or similar reference numerals may be used in the figures to refer to the same or similar elements in different embodiments, and the descriptions of the same or similar elements in different embodiments as well as the descriptions of the prior art elements, features, effects, etc. may be omitted. In the following, "circumferential", "axial" and "radial" all refer to the "circumferential", "axial" and "radial" directions of the housing 2.

[0034] Reference Figure 1-Figure 5 , an embodiment of the utility model provides a coaxial connector based on ball locking.

[0035] Specifically, the coaxial connector based on ball positioning includes a pin 6, an insulating shell 5, an insulating ring 4, a shell 2 and a screw sleeve 1. The pin 6 is arranged in the insulating shell 5 and extends to the insulating ring 4. The insulating shell 5 and the insulating ring 4 are arranged in the shell 2; the shell 2 is provided with a ball hole 21 along the radial direction, and a ball (not shown) is provided in the ball hole 21 and allows the ball to move radially within a certain range in the ball hole 21. The screw sleeve 1 is set outside the ball hole 21 of the shell 2, and the ball hole 21 is provided. There is a spring (not shown), one end of the spring abuts against the ball and the other end abuts against the inner wall of the screw sleeve 1; a petal ring 8 is provided between the insulating shell 5 and the outer shell 2, the inner wall of the petal ring 8 covers the insulating shell 5, and the inner wall of the petal ring 8 is connected to the outer shell 2; the matching connector is provided with a positioning groove, and when the connector is plugged in, the ball retracts into the ball hole 21, and when the ball hole 21 is inserted into the relative positioning groove, the ball is stuck in the positioning groove under the elastic force of the spring to achieve a reliable connection, and the petal ring 8 makes the connection with the matching connector tighter.

[0036] Specifically, there are a plurality of ball holes 21 , and the plurality of ball holes 21 are arranged at equal intervals along the circumferential direction.

[0037] In some embodiments, the diameter of the ball hole 21 gradually increases radially from the inside to the outside, and the diameter of the ball is smaller than the maximum outer diameter of the ball hole 21 and larger than the minimum outer diameter of the ball hole 21. The ball hole 21 prevents the ball from escaping from the inside and allows the ball to move radially within a certain range in the ball hole 21 under the action of external force and the elastic force of the spring.

[0038] In some embodiments, the outer shell 2 includes a first connecting section 25, a first mounting section 26 and a second connecting section 27 coaxially arranged in sequence; the insulating shell 5 includes a third connecting section 51, a second mounting section 52 and a fourth connecting section 53 coaxially arranged in sequence, and the pin 6 includes a needle section 61, a transition section 62 and a welding section 63 coaxially arranged in sequence; the transition section 62 is inserted into the second mounting section 52; the welding section 63 is located in the fourth connecting section 53, the second mounting section 52 is inserted and fixed inside the first mounting section 26; the fourth connecting section 53 is inserted and fixed inside the second connecting section 27; the screw sleeve 1 is sleeved on the outside of the first connecting section 25.

[0039] Specifically, a snap ring groove 24 is provided on the outer wall of the first connecting section 25 , and the screw sleeve 1 is connected to the housing 2 via a snap ring 9 , which is disposed in the snap ring groove 24 .

[0040] In some embodiments, the third connecting segment 51 is located inside the first connecting segment 25, and the petal ring 8 is arranged outside the third connecting segment 51; the outer wall of the petal ring 8 is provided with an external thread, and the inner wall of the first connecting segment 25 near the first mounting segment 26 is provided with an internal thread 22 matching the external thread, and the petal ring 8 is threadedly connected to the outer shell.

[0041] In some embodiments, the insulating ring 4 is disposed between the welding section 63 of the plug pin 6 and the fourth connecting section 53 of the insulating shell 5 to further isolate the plug pin 6 from the shell 2 .

[0042] In some embodiments, a gasket 3 is also included, one end of which is inserted between the insulating ring 4 and the outer shell 2 until it abuts against the end of the insulating shell 5, and the other end abuts against the end of the insulating ring 4; it further isolates the pin 6, the cable connecting the pin 6 and the outer shell 2 while fixing the cable.

[0043] In some embodiments, a groove 23 is provided on the inner wall of the first connecting section 25 of the housing 2, and a rubber ring 7 is provided in the groove 23. The rubber ring 7 is located between the petal ring 8 and the housing 2 and acts as a buffer when the mating connector is inserted.

[0044] In some embodiments, a core wire connection hole 66 is provided at the end of the welding section 63, and a through welding hole 67 is provided on the side wall of the core wire connection hole 66. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole 66, and the core wire is welded to the side wall of the core wire connection hole 66 through the welding hole 67.

[0045] In some embodiments, the end of the needle section 61 of the pin 6 away from the welding section 63 forms a conical head 611; the outer wall of the welding section 63 is provided with an assembly boss 65 and a knurling 64, which is conducive to the positioning and fixation of the pin 6.

[0046] In some embodiments, the material of the pin 6 is beryllium copper, the material of the insulating shell 5 is plastic, and the material of the outer shell 2 is metal.

[0047] To sum up, the coaxial connector based on ball positioning of the present invention includes a pin 6, an insulating shell 5, an insulating ring 4, an outer shell 2 and a screw sleeve 1. The pin 6 is arranged in the insulating shell 5 and extends to the insulating ring 4. The insulating shell 5 and the insulating ring 4 are arranged in the outer shell 2; the outer shell 2 is radially penetrated by a ball hole 21, and a ball is arranged in the ball hole 21 and allows the ball to move radially within a certain range in the ball hole 21. The screw sleeve 1 is sleeved outside the ball hole 21 of the outer shell 2, and a spring is arranged in the ball hole 21. One end of the spring abuts against the ball and the other end abuts against the inner wall of the screw sleeve 1; a petal ring 8 is arranged between the insulating shell 5 and the outer shell 2, and the inner wall of the petal ring 8 covers the insulating shell 5, and the inner wall of the petal ring 8 is connected to the outer shell 2; a reliable connection with the matching connector is achieved through the ball; the petal ring 8 is arranged in the outer shell 2, and the connection with the matching connector is more stable; the reasonable deployment connection of the pin 6, the insulating shell 5, the outer shell 2 and the screw sleeve 1 makes the structure more stable and reliable.

[0048] Furthermore, the present invention provides an insulating ring 4 connected to the insulating shell 5 and a washer 3 connected to the insulating ring 4, which achieves insulation between the pin 6, the core wire and the shell 2 while ensuring reliable fixation of the cable.

[0049] Furthermore, the end of the welding section 63 of the utility model is provided with a core wire connection hole 66, and the side wall of the core wire connection hole 66 is provided with a through welding hole 67. When connecting the cable, the core wire of the cable is inserted into the core wire connection hole 66, and the core wire is welded to the side wall of the core wire connection hole 66 through the welding hole 67, thereby realizing a reliable welding connection between the pin 6 and the core wire.

[0050] 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.

[0051] 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 based on ball locking, characterized in that: It includes a pin, an insulating shell, an insulating ring, an outer shell and a screw sleeve, the pin is arranged in the insulating shell and extends into the insulating ring, the insulating shell and the insulating ring are arranged in the outer shell; the outer shell is radially penetrated by a ball hole, the ball hole is provided with a ball and allows the ball to move radially within a certain range in the ball hole, the screw sleeve is sleeved outside the ball hole of the outer shell, the ball hole is provided with a spring, one end of the spring abuts against the ball and the other end abuts against the inner wall of the screw sleeve; a petal ring is provided between the insulating shell and the outer shell, the inner wall of the petal ring covers the insulating shell, and the inner wall of the petal ring is connected to the outer shell.

2. The coaxial connector based on ball locking according to claim 1, characterized in that: The diameter of the ball hole gradually increases radially from the inside to the outside, the diameter of the ball is smaller than the maximum outer diameter of the ball hole and larger than the minimum outer diameter of the ball hole, the ball hole prevents the ball from escaping from the inside and allows the ball to move radially within a certain range in the ball hole under the action of external force and the elastic force of the spring.

3. The coaxial connector based on ball locking according to claim 1, characterized in that: 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 third connecting section, a second mounting section, and a fourth connecting section coaxially arranged in sequence; the pin includes a needle section, a transition section, and a welding section coaxially arranged in sequence; the transition section is inserted into the second mounting section; the welding section is located in the fourth connecting section, and the second mounting section is inserted and fixed inside the first mounting section; the fourth connecting section is inserted and fixed inside the second connecting section; the screw sleeve is sleeved on the outside of the first connecting section.

4. The coaxial connector based on ball locking according to claim 3, characterized in that: The third connecting section is located inside the first connecting section, and the petal ring is arranged outside the third connecting section; the outer wall of the petal ring is provided with an external thread, and the inner wall of the first connecting section close to the first installation section is provided with an internal thread matching the external thread, and the petal ring is threadedly connected to the outer shell.

5. The coaxial connector based on ball locking according to claim 3, characterized in that: The insulating ring is arranged between the welding section of the pin and the fourth connecting section of the insulating shell.

6. The coaxial connector based on ball locking according to claim 1, characterized in that: It also includes a gasket, one end of which is inserted between the insulating ring and the shell until it abuts against the end of the insulating shell, and the other end of which abuts against the end of the insulating ring.

7. The coaxial connector based on ball locking according to claim 1, characterized in that: The inner wall of the first connecting section of the shell is provided with a groove, and a rubber ring is provided in the groove. The rubber ring is located between the petal ring and the shell.

8. The coaxial connector based on ball locking according to claim 3, characterized in that: The end of the welding section is provided with a core wire connection hole, and the side wall of the core wire connection hole is provided with a through welding 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.

9. The coaxial connector based on ball locking according to claim 3, characterized in that: The end of the needle section of the insertion pin away from the welding section forms a tapered head; the outer wall of the welding section is provided with an assembly boss and knurling.

10. The coaxial connector based on ball locking 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 outer shell is metal.

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