A quick detachable SMA type RF connector

Abstract

The utility model discloses a quick dismounting's SMA type radio frequency connector belongs to radio frequency connector field. Quick dismounting's SMA type radio frequency connector, including the connector body, the surface of front shell is provided with dustproof protection mechanism, the surface of connector body and the inner wall of wire block are provided with quick dismounting mechanism, the surface of connector body and guide pin connecting piece is provided with high compactness mechanism. The utility model not only makes radio frequency connector use can improve the efficiency of dismounting, simultaneously, makes radio frequency connector use can prevent external force to destroy the connecting place of wire block and cable inner conductor, makes radio frequency connector use can ensure that signal is not interfered with in transmission process, reduces signal attenuation and distortion to the signal transmission is more stable, simultaneously, the cost that brought about because of frequent maintenance and replacement is reduced, and dust and water pollution are reduced to enter internal parts, make radio frequency connector's service life is longer.

Description

Technical Field

[0001] This utility model relates to the field of radio frequency connector technology, and in particular to an SMA type radio frequency connector that can be quickly assembled and disassembled. Background Technology

[0002] SMA type RF connectors are widely used small threaded coaxial connectors with wide bandwidth, high performance, high reliability, and long lifespan. SMA type RF connectors are suitable for connecting RF cables or microstrip lines in the RF circuits of microwave equipment and digital communication systems. Under the existing technology, the rotation or movement of the SMA connector pins can break the microstrip line, resulting in the inability to transmit signals normally. Moreover, disassembly and assembly are relatively cumbersome. In order to meet the needs of the market, there is a need for an SMA type RF connector that can be quickly disassembled and assembled.

[0003] A search revealed a Chinese patent with authorization number 202222835814.X, which discloses an SMA-type RF connector and cable assembly, including an inner conductor located inside an outer conductor. The patent utilizes compensation steps one and two: compensation step one is positioned between the PTFE insulation support and the inner conductor, and compensation step two is positioned between the inner conductor and the cable core. The aforementioned SMA-type RF connector and cable assembly have the following shortcomings: Existing SMA-type RF connectors are inconvenient to assemble and disassemble, reducing efficiency and making the connection between the conductor block and the inner conductor susceptible to damage from external forces. Furthermore, the tightness of existing SMA-type RF connectors needs improvement, compromising signal transmission and causing signal attenuation and distortion, leading to unstable signal transmission and increased costs due to frequent maintenance and replacement. Additionally, existing SMA-type RF connectors lack adequate dust protection, allowing dust and water contamination to enter internal components, shortening the connector's lifespan. Utility Model Content

[0004] The purpose of this utility model is to solve the problems of inconvenience in disassembly and assembly, inconvenient operation, insufficient tightness, and inadequate dust protection of existing RF connectors. Therefore, this utility model proposes an SMA type RF connector that can be quickly disassembled and assembled.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A quick-release SMA type RF connector includes a connector body, a housing mounted on the surface of the connector body, a threaded sleeve on the surface of the housing, a front shell mounted on the surface of the threaded sleeve, the front shell communicating with the interior of the housing and the connector body, a wire block fixedly connected to the interior of the connector body, an outer conductor of a cable on the surface of the connector body, an inner conductor of a cable mounted on the surface of the outer conductor, a dustproof protection mechanism on the surface of the front shell, a quick-release mechanism on the surface of the connector body and the inner wall of the wire block, and a high-tightness mechanism on the surface of the connector body and the guide pin connector.

[0006] As a preferred technical solution of this application, a PTFE insulating support is fixed inside the housing. The PTFE insulating support has an axial through hole. A central guide pin is fixedly inserted into the through hole of the PTFE insulating support. The front end of the central guide pin extends from the first end of the housing, and the rear end of the central guide pin is located in the through hole of the PTFE insulating support. A guide pin connector is installed on the surface of the PTFE insulating support. The surface of the guide pin connector is in contact with the surface of the conductor block. A cable shielding layer is installed on the inner wall of the connector body. The inner wall of the cable shielding layer is in contact with the surface of the conductor block. A wire core is provided on the surface of the inner conductor of the cable. One end of the wire core extends into the interior of the inner conductor of the cable, and the other end of the inner conductor of the cable extends into the interior of the guide pin connector. A welding port is opened on the surface of the guide pin connector.

[0007] As a preferred technical solution of this application, the dust protection mechanism is composed of a first rubber sealing gasket, a dust cover, a second rubber sealing gasket, an internal threaded hole and a rubber clamping block. The surface of the front shell is provided with a dust cover, and the inner wall of the front shell is provided with an internal threaded hole. One end of the dust cover extends into the interior of the front shell and is threadedly engaged with the internal threaded hole.

[0008] As a preferred technical solution of this application, the inner wall of the dust cover is equipped with a second rubber sealing gasket for sealing, the surface of the second rubber sealing gasket is in contact with the surface of the front shell, the inner wall of the dust cover is equipped with a rubber clip, the surface of the rubber clip is in contact with the surface of the front shell, and the inner wall of the threaded sleeve is equipped with a first rubber sealing gasket, the surface of the first rubber sealing gasket is in contact with the surface of the shell.

[0009] As a preferred technical solution of this application, the high-tightness mechanism is composed of a groove, a fixed cylinder, a guide groove, a pressure block, an extrusion plate, and a push rod. The surface of the connector body is provided with grooves, the inner wall of the connector body is provided with a fixed cylinder, the inside of the fixed cylinder is provided with an extrusion plate, the inner walls on both sides of the fixed cylinder are provided with guide grooves, the guide grooves and the surface of the extrusion plate are slidably engaged with each other, the inside of the groove is provided with a push rod, one end of the push rod passes through the connector body and the fixed cylinder in sequence and is fixed to the surface at the top position of the extrusion plate, the push rod is slidably engaged with the inner walls of the connector body and the fixed cylinder.

[0010] As a preferred technical solution of this application, a pressure block is provided on one side of the fixed cylinder, one end of the pressure block penetrates through the fixed cylinder and is fixed to the surface at the bottom of the extrusion plate, the pressure block slides with the inner wall of the fixed cylinder, and the surface of the pressure block contacts the surface of the guide needle connector.

[0011] As a preferred technical solution of this application, the quick disassembly and assembly mechanism consists of a protective cover, a wire hole, a positioning block, an installation groove, and a wire groove. The surface of the connector body is provided with a protective cover, and the inner wall of the protective cover is threadedly engaged with the surface of the connector body. Positioning blocks are installed on the inner wall of the protective cover, and the positioning blocks are engaged with the surface of the connector body. A wire hole is opened on the surface at the center of the protective cover, and one end of the outer conductor of the cable passes through the wire hole and extends to the outside of the wire hole.

[0012] As a preferred technical solution of this application, the inner wall of the conductor block is provided with an installation groove, one end of the inner conductor of the cable extends into the interior of the installation groove, the installation groove matches the inner conductor of the cable, the inner wall of the guide pin connector and the center position of the conductor block are both provided with conductor grooves, one end of the wire core extends into the interior of the conductor groove, and the conductor groove matches the wire core.

[0013] Compared with the prior art, this utility model provides a quick-install and disassemble SMA type RF connector, which has the following advantages: 1. This quick-release SMA type RF connector improves the efficiency of disassembly and assembly through its quick-release mechanism. At the same time, it prevents external forces from damaging the connection between the conductor block and the inner conductor of the cable during use, thus solving the problem of inconvenience and difficulty in operation during disassembly and assembly in the existing technology. 2. This quick-release SMA type RF connector, through its highly compact mechanism, ensures that the signal is not interfered with during transmission, reduces signal attenuation and distortion, thereby making the signal transmission more stable. At the same time, it reduces the cost caused by frequent maintenance and replacement, and solves the problem that the compactness of existing technologies needs to be further improved. 3. This quick-release SMA type RF connector, through its dustproof protection mechanism, reduces the entry of dust and water contamination into internal components, thus extending the service life of the RF connector and solving the problem of insufficient dustproof protection in existing technologies. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model; Figure 3 This is an enlarged side view sectional diagram of the present invention; Figure 4 For the present utility model Figure 2 Enlarged structural diagram of the dust protection mechanism; Figure 5 For the present utility model Figure 2 A magnified structural diagram of a medium-to-high density mechanism; Figure 6 For the present utility model Figure 2 Enlarged structural diagram of the rapid disassembly and assembly mechanism.

[0015] In the picture: 1. Connector body; 101. Screw sleeve; 102. Front shell; 103. Center guide pin; 104. Housing; 105. PTFE insulation support; 106. Guide pin connector; 107. Wire block; 108. Inner conductor of cable; 109. Outer conductor of cable; 110. Cable shielding layer; 111. Wire core; 112. Weld joint; 2. Dustproof protection mechanism; 21. First rubber sealing gasket; 22. Dust cover; 23. Second rubber sealing gasket; 24. Internal threaded hole; 25. Rubber clamp; 3. High-tightness mechanism; 31. Groove; 32. Fixing cylinder; 33. Guide groove; 34. Pressure block; 35. Extrusion plate; 36. Push rod; 4. Quick disassembly and assembly mechanism; 41. Protective cover; 42. Wire hole; 43. Positioning clamp; 44. Mounting groove; 45. Wire groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0017] Example:

[0018] Reference Figure 1-3A quick-release SMA type RF connector includes a connector body 1, a housing 104 mounted on the surface of the connector body 1, a threaded sleeve 101 threaded onto the surface of the housing 104, a front housing 102 mounted on the surface of the threaded sleeve 101, the front housing 102 communicating with the interior of the housing 104 and the connector body 1, a wire block 107 fixedly connected inside the connector body 1, and a PTFE insulating support 105 fixedly fixed inside the housing 104. The PTFE insulating support 105 has an axial through hole, and a center guide pin 103 is fixedly inserted into the through hole of the PTFE insulating support 105. The front end of the center guide pin 103 extends from the first end of the housing 104, and the rear end of the center guide pin 103 is located at the PTFE insulating... Inside the through hole of the support 105, a guide pin connector 106 is mounted on the surface of the PTFE insulating support 105. The surface of the guide pin connector 106 is in contact with the surface of the conductor block 107. A cable shielding layer 110 is mounted on the inner wall of the connector body 1. The inner wall of the cable shielding layer 110 is in contact with the surface of the conductor block 107. A cable outer conductor 109 is provided on the surface of the connector body 1. A cable inner conductor 108 is mounted on the surface of the cable outer conductor 109. A wire core 111 is provided on the surface of the cable inner conductor 108. One end of the wire core 111 extends into the interior of the cable inner conductor 108, and the other end of the cable inner conductor 108 extends into the interior of the guide pin connector 106. A solder joint 112 is provided on the surface of the guide pin connector 106.

[0019] Reference Figure 2 and Figure 4 Furthermore, the front housing 102 is equipped with a dustproof protection mechanism 2. This mechanism consists of a first rubber sealing gasket 21, a dust cover 22, a second rubber sealing gasket 23, an internal threaded hole 24, and a rubber retainer 25. The dust cover 22 is located on the surface of the front housing 102, and the inner wall of the front housing 102 has an internal threaded hole 24. One end of the dust cover 22 extends into the interior of the front housing 102 and is threaded into the internal threaded hole 24. The inner wall of the dust cover 22 is fitted with a second rubber sealing gasket 23 for sealing, and the surface of the second rubber sealing gasket 23 contacts the surface of the front housing 102. Rubber retainers 25 are also fitted on the inner walls of the dust cover 22, and their surfaces contact the surface of the front housing 102. The inner walls of the threaded sleeve 101 are fitted with first rubber sealing gaskets 21, and the surface of the first rubber sealing gaskets 21 contacts the surface of the housing 104. By providing this dustproof protection mechanism, dust and water contamination entering the internal components can be reduced, thus extending the service life of the RF connector.

[0020] Reference Figure 2 and Figure 6Furthermore, the connector body 1 and the inner wall of the wire block 107 are provided with a quick-release mechanism 4. The quick-release mechanism 4 consists of a protective cover 41, a wire hole 42, a positioning block 43, a mounting groove 44, and a wire groove 45. The surface of the connector body 1 is provided with a protective cover 41, and the inner wall of the protective cover 41 is threadedly engaged with the surface of the connector body 1. The inner wall of the protective cover 41 is equipped with positioning blocks 43, which are engaged with the surface of the connector body 1. A wire hole 42 is provided on the surface at the center position. One end of the outer conductor 109 of the cable passes through the wire hole 42 and extends to the outside of the wire hole 42. A mounting groove 44 is provided on the inner wall of the conductor block 107. One end of the inner conductor 108 of the cable extends into the interior of the mounting groove 44, and the mounting groove 44 matches the inner conductor 108 of the cable. A wire groove 45 is provided on the inner wall of both the guide pin connector 106 and the center position of the conductor block 107. One end of the wire core 111 extends into the interior of the wire groove 45, and the wire groove 45 matches the wire core 111. By setting up a quick-release mechanism, the efficiency of disassembly and assembly can be improved. At the same time, it can prevent external force from damaging the connection between the conductor block 107 and the inner conductor 108 of the cable during use of the RF connector.

[0021] Reference Figure 2 and Figure 6 Furthermore, the connector body 1 and the guide pin connector 106 are provided with a high-tightness mechanism 3. The high-tightness mechanism 3 is composed of a groove 31, a fixed cylinder 32, a guide groove 33, a pressure block 34, a pressing plate 35, and a push rod 36. The surface of the connector body 1 is provided with grooves 31, and the inner wall of the connector body 1 is provided with a fixed cylinder 32. The inside of the fixed cylinder 32 is provided with a pressing plate 35, and the inner walls on both sides of the fixed cylinder 32 are provided with guide grooves 33. The guide grooves 33 and the surfaces of the pressing plates 35 slide against each other. Inside the groove 31, a push rod 36 is provided. One end of the push rod 36 passes through the connector body 1 and the fixing cylinder 32, and is fixed to the surface at the top of the extrusion plate 35. The push rod 36 slides against the inner walls of the connector body 1 and the fixing cylinder 32. A pressure block 34 is provided on one side of the fixing cylinder 32. One end of the pressure block 34 passes through the fixing cylinder 32 and is fixed to the surface at the bottom of the extrusion plate 35. The pressure block 34 slides against the inner wall of the fixing cylinder 32, and the surface of the pressure block 34 contacts the surface of the guide pin connector 106. By setting a high-tightness mechanism, it is possible to ensure that the signal is not interfered with during transmission, reduce signal attenuation and distortion, thereby making the signal transmission more stable, and at the same time reducing the cost caused by frequent maintenance and replacement.

[0022] Specifically, when using the SMA type RF connector, which is designed for quick assembly and disassembly: First, the protective cover 41 is fitted over the outer conductor 109 of the cable through the wire hole 42. The outer conductor 109, inner conductor 108, and wire core 111 are then passed sequentially through the mounting groove 44 and the wire groove 45, ultimately allowing the wire core 111 to be inserted into the guide pin connector 106, thereby connecting with the center guide pin 103. The inner conductor 108 of the cable matches the mounting groove 44, and the wire core 111 matches the wire groove 45. The wire groove 45 guides and positions the wire core 111, allowing it to quickly align with the wire groove 45, improving installation efficiency. At this point, the protective cover 41 moves to one side of the connector body 1. The user rotates the protective cover 41, and the outer conductor 109, inner conductor 108, and wire core 111 are then disassembled. Conductor 109, inner conductor 108, and core 111 do not rotate with the protective cover 41. The protective cover 41 is installed on the surface of the connector body 1 by the threaded engagement between the protective cover 41 and the surface of the connector body 1. At this time, the protective cover 41 drives the positioning block 43 to automatically lock onto the surface of the connector body 1. Under the action of the protective cover 41, the connection between the conductor block 107 and the inner conductor 108 can be shielded and protected. At the same time, it can improve the stability of the outer conductor 109, inner conductor 108, and core 111 during installation, so as to realize the function of quick assembly and disassembly of the RF connector. This improves the efficiency of assembly and disassembly when using the RF connector, and prevents external force from damaging the connection between the conductor block 107 and the inner conductor 108 when using the RF connector.

[0023] Subsequently, the user inserts the wire core 111 into the inside of the guide pin connector 106, and then welds the wire core 111 and the guide pin connector 106 together through the welding joint 112. Next, the user places the threaded sleeve 101 on the surface of the housing 104, and rotates the threaded sleeve 101 and the front housing 102. With the threaded engagement between the threaded sleeve 101 and the surface of the housing 104, the threaded sleeve 101 and the front housing 102 are installed on the surface of the housing 104. The PTFE insulation support 105 ensures the overall impedance characteristics of the entire RF connector. The cable shielding layer 110 reflects and absorbs external electromagnetic fields, reducing interference to the internal signals of the cable and ensuring signal stability and accuracy. For communication cables and control cables, the cable shielding layer 110 prevents internal signal leakage and avoids the intrusion of external interference signals. Simultaneously, it homogenizes the electric field distribution, prevents partial discharge, and improves the insulation performance and service life of the cable.

[0024] Subsequently, to further improve the signal stability of the connector body 1, the user presses the push rod 36 inside the groove 31, causing the push rod 36 to slide on the inner walls of the connector body 1 and the fixing cylinder 32. At this time, the push rod 36 pushes the extrusion plate 35 to move inside the fixing cylinder 32, causing the push rod 36 to drive the extrusion plate 35 to slide inside the guide groove 33. At this time, the extrusion plate 35 drives the pressure block 34 to move, causing the pressure block 34 to slide on the inner wall of the fixing cylinder 32. At this time, the two pressure blocks 34 simultaneously and in opposite directions extrude the guide pin connector 106. This causes the groove inside the guide pin connector 106 to be compressed and deformed, thereby making the inner wall of the guide pin connector 106 tightly contact and press against the surface of the wire core 111, improving the tightness of the connection between the wire core 111 and the guide pin connector 106, so as to achieve the high tightness function of the RF connector. This ensures that the signal is not interfered with during the transmission process, reduces signal attenuation and distortion, and makes the signal transmission more stable. At the same time, it reduces the cost caused by frequent maintenance and replacement.

[0025] Subsequently, when the screw sleeve 101 is installed on the surface of the housing 104, the first rubber sealing gasket 21 on the inner wall of the front housing 102 moves to contact the surface of the housing 104. Under the action of the first rubber sealing gasket 21, the sealing performance of the RF connector is enhanced. During use in thunderstorms, it can reduce the ingress of rainwater and prevent cable short circuits. When the connector body 1 is not in use, the user places the dust cover 22 on the surface of the front housing 102, causing one end of the dust cover 22 to move into the interior of the front housing 102. The user then rotates the dust cover 22. 2. With the dust cover 22 threaded into the internal threaded hole 24, the dust cover 22 is installed on the surface of the front housing 102. At this time, the second rubber sealing gasket 23 on the inner wall of the dust cover 22 moves to contact the surface of the front housing 102, and the rubber clip 25 on the inner wall of the dust cover 22 moves to contact the surface of the front housing 102, so that dust will not enter the interior of the RF connector, thereby realizing the dust protection function of the RF connector, reducing the entry of dust and water pollution into the internal parts, making the RF connector have a longer service life, and finally completing the short-term use.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A quick-release SMA type RF connector, comprising a connector body (1), characterized in that: The connector body (1) is fitted with a housing (104) on its surface. A threaded sleeve (101) is threaded onto the surface of the housing (104). A front housing (102) is fitted onto the surface of the threaded sleeve (101). The front housing (102) is connected to the interior of the housing (104) and the connector body (1). A wire block (107) is fixedly connected to the interior of the connector body (1). An outer conductor (109) of a cable is provided on the surface of the connector body (1). An inner conductor (108) of a cable is installed on the surface of the outer conductor (109). A dustproof protection mechanism (2) is provided on the surface of the front housing (102). A quick disassembly and assembly mechanism (4) is provided between the surface of the connector body (1) and the inner wall of the wire block (107). A high-tightness mechanism (3) is provided between the surface of the connector body (1) and the guide pin connector (106).

2. The SMA type RF connector with quick assembly and disassembly according to claim 1, characterized in that: A PTFE insulating support (105) is fixed inside the housing (104). The PTFE insulating support (105) has an axial through hole. A central guide pin (103) is fixedly inserted into the through hole of the PTFE insulating support (105). The front end of the central guide pin (103) extends from the first end of the housing (104), and the rear end of the central guide pin (103) is located in the through hole of the PTFE insulating support (105). A guide pin connector (106) is mounted on the surface of the PTFE insulating support (105). 6) The surface of the connector body (1) is in contact with the surface of the conductor block (107). The inner wall of the connector body (1) is equipped with a cable shielding layer (110). The inner wall of the cable shielding layer (110) is in contact with the surface of the conductor block (107). The surface of the inner conductor (108) of the cable is provided with a wire core (111). One end of the wire core (111) extends into the interior of the inner conductor (108) of the cable. The other end of the inner conductor (108) extends into the interior of the guide pin connector (106). The surface of the guide pin connector (106) is provided with a solder joint (112).

3. The SMA type RF connector with quick assembly and disassembly according to claim 1, characterized in that: The dust protection mechanism (2) consists of a first rubber sealing gasket (21), a dust cover (22), a second rubber sealing gasket (23), an internal threaded hole (24), and a rubber clip (25). The surface of the front shell (102) is provided with a dust cover (22), and the inner wall of the front shell (102) is provided with an internal threaded hole (24). One end of the dust cover (22) extends into the interior of the front shell (102) and is threadedly engaged with the internal threaded hole (24).

4. The SMA type RF connector with quick assembly and disassembly according to claim 3, characterized in that: The inner wall of the dust cover (22) is equipped with a second rubber sealing gasket (23) for sealing. The surface of the second rubber sealing gasket (23) is in contact with the surface of the front shell (102). The inner wall of the dust cover (22) is equipped with a rubber clip (25). The surface of the rubber clip (25) is in contact with the surface of the front shell (102). The inner wall of the threaded sleeve (101) is equipped with a first rubber sealing gasket (21). The surface of the first rubber sealing gasket (21) is in contact with the surface of the shell (104).

5. The SMA type RF connector with quick assembly and disassembly according to claim 1, characterized in that: The high-density mechanism (3) consists of a groove (31), a fixed cylinder (32), a guide groove (33), a pressure block (34), an extrusion plate (35), and a push rod (36). The surface of the connector body (1) is provided with grooves (31), and the inner wall of the connector body (1) is provided with a fixed cylinder (32). The inside of the fixed cylinder (32) is provided with an extrusion plate (35). The inner walls on both sides of the fixed cylinder (32) are provided with guide grooves (33). The guide grooves (33) and the surface of the extrusion plate (35) slide against each other. The inside of the groove (31) is provided with a push rod (36). One end of the push rod (36) passes through the connector body (1) and the fixed cylinder (32) in sequence and is fixed to the surface at the top of the extrusion plate (35). The push rod (36) slides against the inner walls of the connector body (1) and the fixed cylinder (32).

6. The quick-release SMA type RF connector according to claim 5, characterized in that: A pressure block (34) is provided on one side of the fixed cylinder (32). One end of the pressure block (34) passes through the fixed cylinder (32) and is fixed to the surface at the bottom of the extrusion plate (35). The pressure block (34) slides and engages with the inner wall of the fixed cylinder (32). The surface of the pressure block (34) is in contact with the surface of the guide needle connector (106).

7. The SMA type RF connector with quick assembly and disassembly according to claim 1, characterized in that: The quick disassembly and assembly mechanism (4) consists of a protective cover (41), a wire hole (42), a positioning block (43), an installation groove (44), and a wire groove (45). The surface of the connector body (1) is provided with a protective cover (41). The inner wall of the protective cover (41) is threadedly engaged with the surface of the connector body (1). The inner wall of the protective cover (41) is equipped with positioning blocks (43). The positioning blocks (43) are engaged with the surface of the connector body (1). A wire hole (42) is opened on the surface at the center of the protective cover (41). One end of the outer conductor (109) of the cable passes through the wire hole (42) and extends to the outside of the wire hole (42).

8. The SMA type RF connector with quick assembly and disassembly according to claim 2, characterized in that: The inner wall of the conductor block (107) is provided with an installation groove (44), one end of the inner conductor (108) of the cable extends into the interior of the installation groove (44), the installation groove (44) matches the inner conductor (108) of the cable, the inner wall of the guide pin connector (106) and the center position of the conductor block (107) are both provided with a conductor groove (45), one end of the wire core (111) extends into the interior of the conductor groove (45), the conductor groove (45) matches the wire core (111).

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