Cable connector and vehicle

By designing the slot and sealing ring structure in the cable connector, the problem of loosening of the connector under vibration and impact in the prior art is solved, and the stability and reliability of signal transmission are achieved.

CN120016230APending Publication Date: 2025-05-16FAW JIEFANG AUTOMOTIVE CO
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Patent Information

Application Number
CN202510426907.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2025-05-16

AI Technical Summary

Technical Problem

Existing RF coaxial connectors are prone to loosening or breaking when subjected to strong impact and vibration, affecting signal transmission, and are more prominent in the chassis environment of commercial vehicles.

Method used

A cable connector is designed, and a second end of the first insulating member is arranged spaced from the second end of the first housing and a clamping slot is formed. The second housing is interspersed into the clamping slot to ensure the stability of the mechanical connection, and enhance the vibration resistance and sealing performance of the connector through structures such as sealing rings and springs.

Benefits of technology

It effectively avoids the cable connector loosening or breaking under vibration and impact, ensures reliable connection of coaxial signal lines, and improves the stability and reliability of signal transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of communication cables, and discloses a cable connector and a vehicle, and the cable connector comprises a threaded sleeve, and a first plugging head and a second plugging head which are in plugging cooperation; the first plug connector comprises a first shell and a first plug terminal arranged in the first shell; the second plug connector comprises a second shell and a second plug terminal arranged in the second shell, the first end of the threaded sleeve is rotationally sleeved on the second shell, and the second end of the threaded sleeve is in clearance fit with the second shell to form a first slot; the first shell is in threaded connection with the threaded sleeve, the first shell extends into the first slot, the first plugging terminal is in plugging fit with the second plugging terminal, the first plugging connector further comprises a first insulating part, the first end of the first insulating part is fixedly embedded in the first shell, the first end of the first insulating part is fixedly sleeved on the first plugging terminal, and the second end of the first insulating part is fixedly sleeved on the second plugging terminal. The second end of the first insulating part and the second end of the first shell are arranged at an interval and form a clamping groove, and the second shell is inserted into the clamping groove in an interference manner; and thus, reliable connection of the cable is ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of communication cables, and in particular to a cable connector and a vehicle. Background Art

[0002] Coaxial signal transmission, also known as radio frequency transmission, mainly relies on the propagation of electromagnetic waves. The coaxial signal line includes an inner core and a shielding layer. The inner core is inserted into the shielding layer. The inner core is used to transmit signals. The shielding layer plays a role in shielding electromagnetic interference. An insulating layer is also provided between the shielding layer and the inner core. Coaxial signal transmission has the advantages of large bandwidth and strong anti-interference ability. With the development of commercial vehicle electronic and electrical technology, four-way imaging is increasingly used in commercial vehicles. Generally, coaxial signal transmission is used to realize digital signal transmission from the camera to the on-board screen. Since the chassis of commercial vehicles is relatively long, the camera to the on-board screen needs to be connected through several sections of coaxial lines. Therefore, it is necessary to connect the coaxial lines through a coaxial signal transmission connector to ensure signal transmission.

[0003] In the prior art, a radio frequency coaxial connector includes a first connector and a second connector; the first connector includes a first shell, and a first connecting portion is disposed on the outer side of the first shell; the second connector includes a second shell and a sleeve; a second connecting portion matching the first connecting portion is disposed on the inner wall of the sleeve; the first connecting portion and the second connecting portion are threadedly matched to ensure that when the first connecting portion and the second connecting portion are plugged in, the center pin always moves along the axis. The sleeve is limited to move axially along the second connector by a limiting retaining spring. The connection strength of the radio frequency coaxial connector is improved by the threaded matching of the first connecting portion and the second connecting portion and the limiting retaining spring.

[0004] However, threaded connections and retaining springs are still at risk of loosening when subjected to strong impact and vibration, especially in commercial vehicles. Due to the poor chassis environment of commercial vehicles, electrical components and wires are exposed to the natural environment and are affected by wind, sun, rain, snow, and vehicle oil. In addition, the commercial vehicle chassis vibrates strongly, which poses a great challenge to signal transmission.

[0005] Therefore, there is an urgent need for a cable connector and a vehicle to solve the above technical problems. Summary of the invention

[0006] The object of the present invention is to provide a cable connector and a vehicle, wherein the cable connector can ensure reliable connection of a coaxial signal line and prevent the cable connector from loosening or breaking due to vibration and impact, thereby affecting signal transmission.

[0007] To achieve this object, the present invention adopts the following technical solutions:

[0008] On the one hand, a cable connector is provided, which includes a first plug connector, a second plug connector, and a threaded sleeve that are plug-matched; the first plug connector includes a first shell and a first plug terminal arranged in the first shell, the first shell is used to be fixedly connected to the insulation layer of the first cable, and the first plug terminal is used to be fixedly connected to the wire of the first cable; the second plug connector includes a second shell and a second plug terminal arranged in the second shell, the first end of the threaded sleeve is rotatably sleeved on the second shell, the second end of the threaded sleeve is gap-matched with the second shell and forms a first slot, the first end of the second shell is used to be fixedly connected to the insulation layer of the second cable, and the second plug terminal is used to be fixedly connected to the wire of the second cable; the first shell is threadedly connected to the threaded sleeve, and the first shell extends into the first slot, the first plug terminal is plug-matched with the second plug terminal, the first plug connector also includes a first insulating member, the first end of the first insulating member is fixedly embedded in the first shell and the first end of the first insulating member is fixedly sleeved on the first plug terminal, the second end of the first insulating member is spaced apart from the second end of the first shell and forms a slot, and the second shell is interference-plugged in the slot.

[0009] Preferably, the second plug connector also includes a second insulating member, a first end of the second insulating member is fixedly embedded in the second shell and sleeved on the second plug terminal, the second end of the first insulating member is spaced apart from the second plug terminal to form a second slot, and the second end of the second insulating member is plugged into the second slot.

[0010] Preferably, the second end of the second insulating member abuts against the first insulating member, and the second end of the first insulating member abuts against the second insulating member.

[0011] Preferably, the cable connector further comprises a first sealing ring, which is sleeved on the second insulating member, and the inner side of the first sealing ring is pressed against the second insulating member, and the outer side of the first sealing ring is pressed against the second shell; and / or, the cable connector further comprises a second sealing ring, which is sleeved on the second plug-in terminal, the inner side of the second sealing ring is pressed against the second plug-in terminal, and the outer side of the second sealing ring is pressed against the second insulating member.

[0012] Preferably, the cable connector further comprises a third sealing ring, which is arranged in the first slot, and along the plugging direction of the first plug connector and the second plug connector, the first shell presses the third sealing ring against the second shell.

[0013] Preferably, the cable connector also includes a retaining spring, which is sleeved on the first shell and is used to clamp with the second shell; and / or, the cable connector also includes a fourth sealing ring, which is sleeved on the first shell, and the inner side of the fourth sealing ring is tightly pressed against the first shell, and the outer side of the fourth sealing ring is tightly pressed against the second shell.

[0014] Preferably, the first shell and the second shell are both made of metal material.

[0015] Preferably, the first shell is provided with a first mounting groove, the first mounting groove is used to be plugged with the shielding layer of the first cable, and the second shell is provided with a second mounting groove, the second mounting groove is used to be plugged with the shielding layer of the second cable.

[0016] Preferably, the width of the slot gradually decreases along the depth direction of the slot, and the thickness of the second shell is greater than the minimum width of the slot and less than the maximum width of the slot; and / or, the second shell includes an annular connecting portion and a plurality of plug-in portions that are all connected to the connecting portion and are spaced apart along the circumferential direction of the connecting portion, the first end of the threaded sleeve is rotatably sleeved on the connecting portion, the connecting portion is used to be fixedly connected to the insulating layer of the second cable, the first end of the first insulating member is fixedly embedded in the connecting portion, the second end of the threaded sleeve is gap-matched with the plurality of plug-in portions to form a first slot, and the plurality of plug-in portions are interference-fitted into the slot.

[0017] On the other hand, a vehicle is provided, which includes a first cable, a second cable, a chassis, a clamp and a cable connector of any of the above technical solutions, wherein the first cable is connected to the first plug connector, the second cable is connected to the second plug connector, the clamp is detachably connected to the chassis, and the cable connector is clamped to the clamp.

[0018] The beneficial effects of the present invention are: providing a cable connector and a vehicle, wherein the cable connector is spaced apart from the second end of the first insulating member and the second end of the first shell to form a slot, and the second shell is interference-fitted into the slot to ensure reliable connection of the coaxial signal line and prevent the cable connector from loosening or breaking due to vibration and impact, thereby affecting signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a cross-sectional view of a first plug connector of a cable connector provided by the present invention;

[0020] Figure 2 is a cross-sectional view of the second plug connector of the cable connector provided by the present invention;

[0021] Figure 3 is a partial cross-sectional view of the cable connector provided by the present invention after being plugged in and mated;

[0022] Figure 4 It is an assembly diagram of the cable connector and the clamp provided by the present invention.

[0023] In the figure: 1, first plug connector; 11, first housing; 111, first mounting slot; 12, first plug terminal; 13, first insulating member; 14, slot;

[0024] 2. second plug connector; 21. second housing; 211. second mounting groove; 212. connecting portion; 213. plug-in portion; 22. second plug-in terminal; 23. first slot; 24. second insulating member; 25. second slot;

[0025] 3. Threaded sleeve; 4. First sealing ring; 5. Second sealing ring; 6. Third sealing ring; 7. Circlip; 8. Clamp;

[0026] 9. first cable; 91. conductor; 92. insulation layer; 93. shielding layer; 94. insulation outer sheath;

[0027] 10. Second cable. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0032] Coaxial signal transmission, also known as radio frequency transmission, mainly relies on the propagation of electromagnetic waves. Coaxial signals are generally transmitted using coaxial cables, such as Figure 1 As shown, in this embodiment, the first wire and the second wire are both coaxial cables. Taking the first wire as an example, the first wire includes from the inside to the outside: a wire 91, an insulating layer 92, a shielding layer 93 and an insulating outer sheath 94. Coaxial cables have the advantages of strong anti-signal interference ability, high transmission signal quality, and fast transmission speed. When the signal transmission path is long and the length of a section of coaxial cable is not enough, a cable connector is often used to connect several sections of the cable to ensure signal transmission. However, when the connector is subjected to strong impact and vibration, there is a risk of loosening. Especially in vehicles, due to the poor chassis environment, electrical components and wires 91 are exposed to the natural environment, and are affected by wind, sun, rain and snow, vehicle oil, chassis vibration, etc., which brings great challenges to signal transmission. Therefore, this embodiment provides a cable connector and a vehicle to solve the above problems.

[0033] On the one hand, please refer to Figures 1 to 3The cable connector includes a first plug connector 1, a second plug connector 2, and a threaded sleeve 3 that are plugged together; the first plug connector 1 includes a first shell 11, and a first plug terminal 12 arranged in the first shell 11, the first shell 11 is used to be fixedly connected to the insulating layer 92 of the first cable 9, and the first plug terminal 12 is used to be fixedly connected to the wire 91 of the first cable 9; the second plug connector 2 includes a second shell 21, and a second plug terminal 22 arranged in the second shell 21, the first end of the threaded sleeve 3 is rotatably sleeved on the second shell 21, the second end of the threaded sleeve 3 is gap-matched with the second shell 21 to form a first slot 23, the first end of the second shell 21 is fixedly connected to the second shell 21, and the second end of the threaded sleeve 3 is loosely matched with the second shell 21 to form a first slot 23. The end is used to be fixedly connected to the insulating layer 92 of the second cable 10, and the second plug-in terminal 22 is used to be fixedly connected to the wire 91 of the second cable 10; the first shell 11 is threadedly connected to the threaded sleeve 3, and the first shell 11 extends into the first slot 23, the first plug-in terminal 12 is plugged into the second plug-in terminal 22, the first plug connector 1 also includes a first insulating member 13, the first end of the first insulating member 13 is fixedly embedded in the first shell 11 and the first end of the first insulating member 13 is fixedly sleeved on the first plug-in terminal 12, the second end of the first insulating member 13 is spaced apart from the second end of the first shell 11 and forms a slot 14, and the second shell 21 is interference-fitted into the slot 14. In this way, the first housing 11 is threadedly connected with the threaded sleeve 3 to ensure a tight fit between the first housing 11 and the threaded sleeve 3, and provide a stable mechanical connection. During the assembly process of the first plug connector 1 and the second plug connector 2, the threads are screwed in to ensure that the first plug terminal 12 is always assembled with the second plug terminal 22 along the axial direction, avoiding the bending of the first plug terminal 12 or the second plug terminal 22 due to uneven force during the plugging and unplugging process, thereby causing the cable connector to fail. Furthermore, the design of the first insulating member 13 provides additional insulation protection for the wire 91, and the second end of the first insulating member 13 is spaced apart from the second end of the first housing 11 to form a slot 14. The second housing 21 is inserted into the slot 14 with interference fit, which facilitates the assembly of the first plug connector 1 and the second plug connector 2, and further ensures the mechanical connection strength of the connector. Ensure the reliable connection of the coaxial signal line and avoid the cable connector from loosening or breaking due to vibration and impact, which affects signal transmission.

[0034] Optionally, see Figure 2 and Figure 3The second plug connector 2 further includes a second insulating member 24, the first end of which is fixedly embedded in the second housing 21 and sleeved on the second plug terminal 22, the second end of the first insulating member 13 is spaced apart from the second plug terminal 22 to form a second slot 25, and the second end of the second insulating member 24 is plugged into the second slot 25. This arrangement ensures the integrity and accuracy of signal transmission; at the same time, when the first plug connector 1 and the second plug connector 2 are plugged in, the second end of the first insulating member 13 is spaced apart from the second plug terminal 22 to form a second slot 25, and the second end of the second insulating member 24 is plugged into the second slot 25, further ensuring the stability of the cable connector structure, and preventing the first plug connector 1 and the second plug connector 2 from being relatively displaced under vibration or impact, thereby affecting signal transmission.

[0035] Optionally, see Figure 3 , the second end of the second insulating member 24 abuts against the first insulating member 13, and the second end of the first insulating member 13 abuts against the second insulating member 24. In this way, through the mutual abutment of the first insulating member 13 and the second insulating member 24, on the one hand, it helps to further improve the stability of the cable connector structure and reduce the relative displacement caused by vibration or impact; on the other hand, it provides double-layer insulation protection for the connection between the first plug terminal 12 and the second plug terminal 22, further reduces leakage, and improves the safety and reliability of the cable connector.

[0036] Optionally, see Figure 2 The cable connector further includes a first sealing ring 4, which is sleeved on the second insulating member 24, and the inner side of the first sealing ring 4 is tightly pressed against the second insulating member 24, and the outer side of the first sealing ring 4 is tightly pressed against the second shell 21. In this way, the first sealing ring 4 ensures the seal between the second insulating member 24 and the second shell 21, which helps prevent water, dust or other contaminants from entering the interior of the cable connector along the gap between the second insulating member 24 and the second shell 21, thereby improving the reliability of the cable connector in harsh environments.

[0037] Optionally, the cable connector further includes a second sealing ring 5, which is sleeved on the second plug-in terminal 22, with the inner side of the second sealing ring 5 pressed against the second plug-in terminal 22, and the outer side of the second sealing ring 5 pressed against the second insulating member 24. In this way, the second sealing ring 5 ensures the sealing between the second plug-in terminal 22 and the second insulating member 24, prevents moisture, dust or other contaminants from entering the interior of the cable connector along the gap between the second plug-in terminal 22 and the second insulating member 24, and further improves the reliability of the cable connector in harsh environments.

[0038] Optionally, see Figure 1 and Figure 2The cable connector further includes a third sealing ring 6, which is disposed in the first slot 23, and along the plugging direction of the first plug connector 1 and the second plug connector 2, the first housing 11 presses the third sealing ring 6 against the second housing 21. In this way, the third sealing ring 6 further provides an additional sealing layer, and together with the first sealing ring 4 and the second sealing ring 5, multiple sealing protections are formed to improve the waterproof and dustproof capabilities, ensure the reliability of the cable connector in harsh environments, and extend the service life of the cable connector.

[0039] Optionally, see Figure 1 and Figure 3 The cable connector further includes a clamping spring 7, which is sleeved on the first housing 11 and is used to clamp with the second housing 21. In this way, the clamping spring 7 is locked to ensure a stable connection between the first housing 11 and the second housing 21, and prevent the connection between the first plug connector 1 and the second plug connector 2 from being accidentally disconnected or loosened; at the same time, the clamping spring 7 does not require complicated tools or steps to lock, making the assembly process of the cable connector faster and more convenient, and improving the convenience of using the cable connector.

[0040] In some embodiments, the cable connector may further include a fourth sealing ring, which is sleeved on the first housing 11, and the inner side of the fourth sealing ring is pressed against the first housing 11, and the outer side of the fourth sealing ring is pressed against the second housing 21. The fourth sealing ring is provided to provide the cable connector with a waterproof and dustproof effect, thereby further improving the reliability of the cable connector.

[0041] Optionally, the first shell 11 and the second shell 21 are both made of metal materials. This arrangement enhances the structural strength of the cable connector, ensures that the cable connector is not easily deformed or damaged when subjected to impact or pressure, and ensures stable signal transmission. At the same time, the metal shell forms an electrostatic shield, ensuring that the signal inside the cable connector is not disturbed and can be transmitted stably.

[0042] Specifically, the first shell 11 and the second shell 21 are both made of copper-tin-zinc alloy electroplating, which has good corrosion resistance, wear resistance and toughness, is not easily corroded and resists stress cracking, and ensures the reliability of the cable connector in various environments. In other embodiments, the first shell 11 and the second shell 21 can also be made of metal materials such as nickel-silver alloy, copper-aluminum alloy, etc. This embodiment does not limit the specific composition of the metal.

[0043] Optionally, see Figure 1 and Figure 2The first housing 11 is provided with a first mounting groove 111, which is used to be plugged into the shielding layer 93 of the first cable 9, and the second housing 21 is provided with a second mounting groove 211, which is used to be plugged into the shielding layer 93 of the second cable 10. With such a configuration, on the one hand, the first mounting groove 111 and the second mounting groove 211 provide a mechanical fixing method for the shielding layer 93, ensuring a stable connection between the shielding layer 93 and the cable connector, and on the other hand, by plugging the shielding layers 93 of the first cable 9 and the second cable 10 into the first mounting groove 111 and the second mounting groove 211, respectively, the electromagnetic compatibility performance of the cable connector can be improved, and the influence of external electromagnetic interference on signal transmission can be reduced.

[0044] Preferably, a heat shrink tube sleeve is provided at the joint between the shielding layer 93 of the first cable 9 and the first installation groove 111; and / or, at the joint between the shielding layer 93 of the second cable 10 and the second installation groove 211, so as to further enhance the insulation and sealing of the cable connector and ensure the safety and reliability of the cable connector.

[0045] Optionally, see Figures 1 to 3 , the width of the card slot 14 gradually decreases along the depth direction of the card slot 14, the thickness of the second shell 21 is greater than the minimum width of the card slot 14 and less than the maximum width of the card slot 14; and / or, the second shell 21 includes a ring-shaped connecting portion 212 and a plurality of plug-in portions 213 that are all connected to the connecting portion 212 and are spaced apart along the circumferential direction of the connecting portion 212, the first end of the threaded sleeve 3 is rotatably sleeved on the connecting portion 212, the connecting portion 212 is used to be fixedly connected to the insulating layer 92 of the second cable 10, the first end of the first insulating member 13 is fixedly embedded in the connecting portion 212, the second end of the threaded sleeve 3 is gap-matched with the plurality of plug-in portions 213 to form a first slot 23, and the plurality of plug-in portions 213 are interference-inserted into the card slot 14. Specifically, the end of the plug-in portion 213 away from the connecting portion 212 has an arc-shaped protrusion. With such a configuration, the slot width of the card slot 14 gradually decreases along the depth direction of the card slot 14. During the insertion of the card portion into the card slot 14, the arc-shaped protrusion can be interference-fitted into the card slot 14, preventing the cable connector from loosening after being plugged in. At the same time, other positions of the plug-in portion 213 will not rub against the slot wall of the card slot 14, reducing the wear of the cable connector during the plug-in and unplugging process. At the same time, the plug-in portion 213 arranged at intervals separates the second end of the first insulating member 13 from the second end of the first housing 11, playing a certain radial support and anti-vibration role, further ensuring the stability and reliability of the cable connector plug-in structure.

[0046] On the other hand, please refer to Figure 4, a vehicle is provided, the vehicle comprising a first cable 9, a second cable 10, a chassis, a clamp 8 and the above-mentioned cable connector, the first cable 9 is connected to the first plug connector 1, the second cable 10 is connected to the second plug connector 2, the clamp 8 is detachably connected to the chassis, and the cable connector is clamped to the clamp 8. Specifically, the vehicle can be a commercial vehicle, and the first cable 9 and the second cable 10 are both coaxial cables. In other embodiments, the vehicle can also be a truck, an engineering vehicle, etc. Preferably, a clamping groove is provided on the cable connector, and a clamping block is provided on the contact surface between the clamp 8 and the cable connector, and the clamping block is clamped in the clamping groove, so that the cable connector is clamped to the clamp 8. By connecting the clamp 8 to the chassis, the relative position of the cable connector and the chassis of the vehicle is further fixed, which facilitates the arrangement of the coaxial cable on the vehicle.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A cable connector, comprising a first plug connector (1), a second plug connector (2), and a threaded sleeve (3) for plugging and mating; the first plug connector (1) comprises a first housing (11), and a first plug terminal (12) arranged in the first housing (11); the first housing (11) is used to be fixedly connected to an insulating layer (92) of a first cable (9); the first plug terminal (12) is used to be fixedly connected to a wire (91) of the first cable (9); the second plug connector (2) comprises a second housing (21), and a second plug terminal (22) arranged in the second housing (21); the threaded sleeve (3) is provided with a plurality of plug terminals, each of which is provided with a plurality of plug terminals. The first end is rotatably sleeved on the second shell (21), the second end of the threaded sleeve (3) is gap-matched with the second shell (21) to form a first slot (23), the first end of the second shell (21) is used to be fixedly connected to the insulating layer (92) of the second cable (10), and the second plug-in terminal (22) is used to be fixedly connected to the wire (91) of the second cable (10); the first shell (11) is threadedly connected to the threaded sleeve (3), and the first shell (11) extends into the first slot (23), and the first plug-in terminal (12) is plugged and matched with the second plug-in terminal (22), characterized in that The first plug connector (1) further comprises a first insulating member (13), a first end of the first insulating member (13) being fixedly embedded in the first housing (11) and a first end of the first insulating member (13) being fixedly sleeved on the first plug terminal (12), a second end of the first insulating member (13) being spaced apart from a second end of the first housing (11) and forming a slot (14), and the second housing (21) being interference-fitted into the slot (14).

2. The cable connector according to claim 1, characterized in that: The second plug connector (2) further comprises a second insulating member (24), a first end of the second insulating member (24) being fixedly embedded in the second housing (21) and sleeved on the second plug terminal (22), a second end of the first insulating member (13) being spaced apart from the second plug terminal (22) to form a second slot (25), and a second end of the second insulating member (24) being plugged into the second slot (25).

3. The cable connector according to claim 2, characterized in that: The second end of the second insulating member (24) abuts against the first insulating member (13), and the second end of the first insulating member (13) abuts against the second insulating member (24).

4. The cable connector according to claim 3, characterized in that: The cable connector further comprises a first sealing ring (4), the first sealing ring (4) being sleeved on the second insulating member (24), the inner side of the first sealing ring (4) being pressed against the second insulating member (24), and the outer side of the first sealing ring (4) being pressed against the second housing (21); and / or, The cable connector further comprises a second sealing ring (5), wherein the second sealing ring (5) is sleeved on the second plug-in terminal (22), the inner side of the second sealing ring (5) is pressed against the second plug-in terminal (22), and the outer side of the second sealing ring (5) is pressed against the second insulating member (24).

5. The cable connector according to claim 4, characterized in that: The cable connector further comprises a third sealing ring (6), wherein the third sealing ring (6) is arranged in the first slot (23), and along the plugging direction of the first plug connector (1) and the second plug connector (2), the first shell (11) presses the third sealing ring (6) against the second shell (21).

6. The cable connector according to claim 1, characterized in that: The cable connector further comprises a retaining spring (7), wherein the retaining spring (7) is sleeved on the first shell (11), and the retaining spring (7) is used for being clamped with the second shell (21); and / or the cable connector further comprises a fourth sealing ring, wherein the fourth sealing ring is sleeved on the first shell (11), and the inner side of the fourth sealing ring is pressed against the first shell (11), and the outer side of the fourth sealing ring is pressed against the second shell (21).

7. The cable connector according to any one of claims 1 to 6, characterized in that: The first shell (11) and the second shell (21) are both made of metal material.

8. The cable connector according to claim 7, characterized in that: The first shell (11) is provided with a first mounting groove (111), and the first mounting groove (111) is used for plugging with the shielding layer (93) of the first cable (9), and the second shell (21) is provided with a second mounting groove (211), and the second mounting groove (211) is used for plugging with the shielding layer (93) of the second cable (10).

9. The cable connector according to claim 1, characterized in that: The slot width of the card slot (14) gradually decreases along the depth direction of the card slot (14); the thickness of the second shell (21) is greater than the minimum width of the card slot (14) and less than the maximum width of the card slot (14); and / or the second shell (21) comprises an annular connecting portion (212) and a plurality of plug-in portions (213) which are all connected to the connecting portion (212) and are arranged at intervals along the circumferential direction of the connecting portion (212); the first end of the threaded sleeve (3) is rotatably sleeved on the connecting portion (212); the connecting portion (212) is used to be fixedly connected to the insulating layer (92) of the second cable (10); the first end of the first insulating member (13) is fixedly embedded in the connecting portion (212); the second end of the threaded sleeve (3) is clearance-matched with the plurality of plug-in portions (213) to form the first slot (23); and the plurality of plug-in portions (213) are interference-inserted into the card slot (14).

10. A vehicle, characterized in that: The vehicle comprises a first cable (9), a second cable (10), a chassis, a clamp (8), and a cable connector according to any one of claims 1 to 9, wherein the first cable (9) is connected to the first plug connector (1), the second cable (10) is connected to the second plug connector (2), the clamp (8) is detachably connected to the chassis, and the cable connector is clamped to the clamp (8).