Wire connector

Abstract

According to the wire connector provided by the invention, the first wire, the insertion conductor, the conductor groove and the second wire are sequentially connected, so that electrical connection between the first wire and the second wire is realized, and electrical connection between the first wire and the second wire after connection is ensured; the first connecting end and the second connecting end can be fixed through the fixing sleeve, the first connecting end and the second connecting end are kept relatively fixed, the stability of the wire connector is improved, meanwhile, the fixing sleeve is arranged on the outer wall of the first connecting end and the outer wall of the second connecting end in a sleeving mode, and the first connecting end and the second connecting end can be protected at the same time; therefore, the first wire and the second wire in the wire connector are protected. Besides, in the whole wire connector, the sequential connection of the first wire, the insertion conductor, the conductor groove and the second wire and the matching of the insertion conductor and the conductor groove do not need to adopt a bolt connection mode, so that the use flexibility of the wire connector is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wire connecting device, in particular to a wire connector. BACKGROUND

[0002] Wire refers to the material used as wire and cable, and also refers to wire in industry, which is generally made of copper or aluminum and is very common in mechanical equipment or other electronic equipment. In the process of using wire, wire connectors are often used to better connect two different wires and protect the connected joints.

[0003] The existing wire connectors are mostly unstable in structure, which is not conducive to actual use. In order to improve the structural stability, a large number of bolts are usually used for fixation. In actual use, this way of using a large number of bolts is not convenient for operators to quickly connect and lock two wires.

[0004] Therefore, how to provide a wire connector with good structural stability and convenient operation is a problem to be solved. INVENTION CONTENTS

[0005] Therefore, the purpose of the present application is to provide a wire connector to solve or partially solve the problems in the background art.

[0006] In order to achieve the above purpose, the present application provides a wire connector, which comprises:

[0007] A hollow joint part comprising a first insertion end and a first connecting end, the first insertion end being provided for the end of a first wire to insert, an insertion conductor being provided inside the joint part, one end of the insertion conductor extending out of the first connecting end, and the other end of the insertion conductor being used for connecting with the inserted first wire;

[0008] A hollow interface part comprising a second insertion end and a second connecting end, the second insertion end being provided for the end of a second wire to insert, a conductor groove being provided inside the interface part, the inner wall of the conductor groove being a conductive layer, the insertion conductor being inserted into the conductor groove and contacting the conductive layer, and the conductive layer and / or the insertion conductor located in the conductor groove being used for connecting with the inserted second wire;

[0009] A fixing sleeve being sleeved on the outer wall of the first connecting end and the second connecting end and connected with the first connecting end and the second connecting end.

[0010] Optionally, a plug block is fixed inside the joint part, at least one insertion conductor being provided in the plug block, one end of the insertion conductor extending out of the plug block and being used for connecting with the first wire, and the other end of the insertion conductor extending out of the plug block and being inserted into the conductor groove.

[0011] Optionally, the insertion conductor is provided with a connecting hole near one end of the first wire, and the first wire is inserted into the connecting hole and in contact with the side wall of the connecting hole.

[0012] Optionally, the first fixing member has one end located outside the joint part and the other end abutting against the first wire after sequentially passing through the joint part and the insertion conductor.

[0013] Optionally, the interface part is provided with a socket block, the socket block is provided with the conductor slot and the connecting through hole, the connecting through hole is in communication with the conductor slot, the conductor slot is located near the joint part, the connecting through hole is located away from the joint part, and the connecting through hole is for the second wire to pass through.

[0014] Optionally, the second fixing member has one end located outside the interface part and the other end abutting against the second wire after sequentially passing through the interface part and the socket block.

[0015] Optionally, the socket block and the second insertion end are provided with a containing cavity, the containing cavity is provided with an elastic member, one end of the elastic member is connected with the socket block, the other end of the elastic member is connected with the inner wall of the interface part, and the elastic member is used for sleeving the outer wall of the second wire.

[0016] Optionally, the outer wall of the joint part is provided with an external thread cylinder, the internal thread is arranged in the fixed sleeve, and the external thread cylinder is in threaded connection with the fixed sleeve.

[0017] Optionally, the fixed sleeve comprises a main body part and a first protruding part protruding from one end of the main body part, and the first connecting end and the second connecting end are located on the side of the first protruding part away from the interface part.

[0018] Optionally, the interface part is provided with a second protruding part near the second connecting end, and the second protruding part is in abutment or clamping connection with the first protruding part.

[0019] From the above, it can be seen that the wire connector provided by the application realizes the electrical connection between the first wire and the second wire through the sequential connection of the first wire, the insertion conductor, the conductor groove and the second wire, ensures the electrical connection between the first wire and the second wire after connection; through the cooperation of the insertion conductor and the conductor groove, the relative fixation between the interface part and the joint part is ensured, the structural stability of the wire connector is improved, and then the connection stability between the first wire and the second wire is ensured; the first connecting end and the second connecting end can be fixed by the fixing sleeve, so that the two remain relatively fixed and the stability of the wire connector is improved. At the same time, the fixing sleeve sleeved on the outer wall of the first connecting end and the second connecting end can simultaneously protect the first connecting end and the second connecting end, and then protect the first wire and the second wire located in the wire connector. In addition, in the whole wire connector, the sequential connection of the first wire, the insertion conductor, the conductor groove and the second wire, and the cooperation of the insertion conductor and the conductor groove do not need to use the bolt connection mode, which greatly improves the use flexibility of the wire connector. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a structural schematic diagram of the wire connector of the embodiment of the present application.

[0022] Figure 2 It is an exploded schematic diagram of the wire connector of the embodiment of the present application.

[0023] Figure 3 It is a side view of the wire connector of the embodiment of the present application.

[0024] Figure 4 It is a sectional view of the wire connector of the embodiment of the present application in A-A direction.

[0025] In the figure: 10, joint part; 101, first extension end; 102, first connecting end; 11, plug block; 12, insertion conductor; 121, connecting hole; 20, interface part; 201, second connecting end; 202, second extension end; 203, second protruding part; 21, socket block; 211, connecting through hole; 22, conductor groove; 23, elastic member; 30, first wire; 4, second wire; 5, fixing sleeve; 51, main body part; 52, first protruding part; 60, external thread cylinder; 70, sealing ring; 80, first fixing member; 90, second fixing member. DETAILED DESCRIPTION

[0026] For the purpose of making the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with specific embodiments and with reference to the drawings.

[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be understood as the common meanings understood by those skilled in the art to which the present application belongs. The terms "first", "second" and similar terms used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms cover the elements or objects listed after the terms and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships can also be changed accordingly.

[0028] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a wire connector, comprising: a hollow joint part 10, comprising a first insertion end 101 and a first connection end 102, the first insertion end 101 being provided for the end of a first wire 30 to insert, the joint part 10 being internally insulated and provided with an insertion conductor 12, one end of the insertion conductor 12 extending out of the first connection end 102, the other end of the insertion conductor 12 being used to connect with the inserted first wire 30; a hollow interface part 20, comprising a second insertion end 202 and a second connection end, the second insertion end 202 being provided for the end of a second wire 4 to insert, the interface part 20 being internally provided with a conductor groove 22, the inner wall of the conductor groove 22 being a conductive layer, the insertion conductor 12 being inserted into the conductor groove 22 and being in contact with the conductive layer, the conductive layer and / or the insertion conductor 12 located in the conductor groove 22 being used to connect with the inserted second wire 4; a fixing sleeve 5, sleeved on the outer wall of the first connection end 102 and the second connection end and connected with the first connection end 102 and the second connection end.

[0029] Specifically, the joint part 10 is a hollow cylindrical structure, and the joint part 10 comprises a first insertion end 101 and a first connection end 102. The first insertion end 101 is provided for the end of a first wire 30 to insert, and in actual use, one end of the first wire 30 is inserted from the first insertion end 101, so as to connect the first wire 30 with other components.

[0030] The inside of the joint part 10 is provided with an inserted conductor 12, which is made of a conductor material and has one end extending out of the first connecting end 102 to facilitate insertion into the conductor groove 22 inside the interface part 20. The other end of the inserted conductor 12 is used to connect with the extended first wire 30. It is worth noting that since the inserted conductor 12 is made of a conductor material, the connection between the inserted conductor 12 and the first wire 30 enables electrical connection between the inserted conductor 12 and the first wire 30.

[0031] The interface part 20 is a hollow cylindrical structure, which includes a second extended end 202 for the end of the second wire 4 to extend into and a second connecting end 201. In actual use, one end of the second wire 4 is extended from the second extended end 202 to facilitate connection with other components.

[0032] The interface part 20 is provided with a conductor groove 22 inside, and the inner wall of the conductor groove 22 is a conductive layer made of a conductive material. The inserted conductor 12 is inserted into the conductor groove 22 and contacts the conductive layer, so that the inserted conductor 12 and the conductive layer are electrically connected.

[0033] The conductive layer and / or the inserted conductor 12 located in the conductor groove 22 are used to connect with the extended second wire 4, so that the extended second wire 4 can be directly connected with the conductive layer, or directly connected with the inserted conductor 12 in the conductor groove 22, or connected with the conductive layer through the side wall and connected with the inserted conductor 12 through the end. When the second wire 4 is only connected with the conductive layer, since the conductive layer is connected with the inserted conductor 12 and both are made of conductive materials, the electrical connection between the second wire 4 and the inserted conductor 12 is achieved, and since the inserted conductor 12 is connected with the first wire 30, the electrical connection between the first wire 30 and the second wire 4 is ultimately achieved.

[0034] The fixed sleeve 5 is sleeved on the outer wall of the first connecting end 102 and the second connecting end 201 and connected with the first connecting end 102 and the second connecting end 201, so that the fixed sleeve 5 can fix the first connecting end 102 and the second connecting end 201, keeping them relatively fixed and improving the stability of the wire connector. At the same time, the fixed sleeve 5 sleeved on the outer wall of the first connecting end 102 and the second connecting end 201 can simultaneously protect the first connecting end 102 and the second connecting end 201, thereby protecting the first wire 30 and the second wire 4 inside the wire connector.

[0035] In specific implementation, the extended ends of the first wire 30 and the second wire 4 will expose the internal metal wires to ensure the electrical connection of the first wire 30, the second wire 4, the inserted conductor, and the conductor groove 22.

[0036] In the present application, the electrical connection between the first wire 30 and the second wire 4 is achieved by the sequential connection of the first wire 30, the insertion conductor 12, the conductor groove 22 and the second wire 4, ensuring the electrical connection between the first wire 30 and the second wire 4 after connection; by the cooperation of the insertion conductor 12 and the conductor groove 22, the relative fixation between the interface part 20 and the joint part 10 is ensured, the structural stability of the wire connector is improved, and the connection stability between the first wire 30 and the second wire 4 is ensured; by the fixing sleeve 5, the first connecting end 102 and the second connecting end 201 can be fixed, so that they remain relatively fixed, improving the stability of the wire connector. At the same time, the fixing sleeve 5 is sleeved on the outer wall of the first connecting end 102 and the second connecting end 201, which can simultaneously protect the first connecting end 102 and the second connecting end 201, and further protect the first wire 30 and the second wire 4 located in the wire connector.

[0037] In addition, in the entire wire connector, the sequential connection of the first wire 30, the insertion conductor 12, the conductor groove 22 and the second wire 4, and the cooperation of the insertion conductor 12 and the conductor groove 22 do not need to use the bolt connection mode, which greatly improves the use flexibility of the wire connector.

[0038] In some embodiments, the joint part 10 has a plug block 11 fixed inside, at least one insertion conductor 12 is provided in the plug block 11, one end of the insertion conductor 12 extends out of the plug block 11 and is used for connecting with the first wire 30, and the other end of the insertion conductor 12 extends out of the plug block 11 and is inserted into the conductor groove 22.

[0039] Specifically, at least one insertion conductor 12 is fixed and provided in the plug block 11, one end of the insertion conductor 12 extends out of the plug block 11 and is used for connecting with the first wire 30, and the other end of the insertion conductor 12 extends out of the plug block 11 and is inserted into the conductor groove 22, and the insertion conductor 12 plays a role of electrically connecting the first wire 30 and the conductor groove 22.

[0040] In some embodiments, the insertion conductor 12 has a connecting hole 121 at one end close to the first wire 30, and the first wire 30 is inserted into the connecting hole 121 and in contact with the side wall of the connecting hole 121.

[0041] Specifically, the first fixing member 80 is arranged outside the joint part 10 at one end and abuts against the first wire 30 after passing through the joint part 10 and the insertion conductor 12 in sequence at the other end. In this way, the first fixing member 80 can push the first wire 30 to make the first wire 30 contact the sidewall of the connecting hole 121, thereby ensuring the electrical connection between the first wire 30 and the insertion conductor 12. In addition, the first fixing member 80 can also fix the position of the first wire 30, so as to ensure that the position of the first wire 30 cannot be moved at will, thereby ensuring the stability and durability of the electrical connection between the first wire 30 and the insertion conductor 12. For example, the first fixing member 80 can be a bolt.

[0042] In the present application, only one first fixing member 80 is used to ensure the electrical connection between the first wire 30 and the insertion conductor 12, which not only improves the stability of the structure, but also facilitates user operation and improves the convenience of operation.

[0043] In some embodiments, the interface part 20 is provided with a socket block 21, the socket block 21 is provided with the conductor slot 22 and the connecting through hole 211, the connecting through hole 211 is in communication with the conductor slot 22, the conductor slot 22 is arranged close to the joint part 10, the connecting through hole 211 is arranged away from the joint part 10, and the connecting through hole 211 is used for the second wire 4 to pass through.

[0044] Specifically, the second wire 4 extends from the second extending end 202 and connects with the inner wall of the conductor slot 22 or the insertion conductor 12 after passing through the connecting through hole 211, so as to realize the electrical connection between the second wire 4 and the insertion conductor 12.

[0045] The wire connector further comprises a second fixing member 90, one end of the second fixing member 90 is arranged outside the interface part 20, and the other end abuts against the second wire 4 after passing through the interface part 20 and the socket block 21 in sequence. In this way, the second fixing member 90 can fix the position of the second wire 4, so as to ensure that the position of the second wire 4 cannot be moved at will, thereby ensuring the stability and durability of the electrical connection between the second wire 4 and the conductor slot 22 and / or the insertion conductor 12. For example, the second fixing member 90 can be a bolt.

[0046] In the present application, only one second fixing member 90 is used to ensure the electrical connection between the second wire 4 and the insertion conductor 12 and / or the conductor slot 22, which not only improves the stability of the structure, but also facilitates user operation and improves the convenience of operation.

[0047] In some embodiments, the socket block 21 and the second insertion end 202 have a receiving cavity, and an elastic member 23 is arranged in the receiving cavity, one end of the elastic member 23 is connected with the socket block 21, and the other end of the elastic member 23 is connected with the inner wall of the interface portion 20, and the elastic member 23 is arranged on the outer wall of the second wire 4.

[0048] Specifically, one end of the elastic member 23 is connected with the socket block 21, and the other end of the elastic member 23 is connected with the inner wall of the interface portion 20, so that the elastic member 23 serves as a connector between the socket block 21 and the interface portion 20, and the stability of the socket block 21 is improved. For example, the elastic member 23 can be a spring.

[0049] In a specific implementation, one end of the second wire 4 is inserted from the second insertion end 202, passes through the connecting through hole 211, and is connected with the inner wall of the conductor groove 22 or the inserted conductor 12.

[0050] When the elastic member 23 is in a normal state, one end of the socket block 21 is connected with the elastic member 23, and the other end of the socket block 21 extends out of the second connecting portion 201, so that the socket block 21 is connected with the inserted conductor 12, and the inserted conductor 12 can be inserted into the conductor groove 22 of the socket block 21.

[0051] When the inserted conductor 12 is inserted into the socket block 21, the inserted conductor 12 presses the socket block 21, so that the socket block 21 moves towards the second connecting portion 201, and then presses the elastic member 23. When the inserted conductor 12 cannot be continuously inserted, it indicates that the inserted conductor 12 has completely abutted against the conductor groove 22. At this time, the second wire 4 can be fixed by using the second fixing member 90, so as to fix the position of the second wire 4, and then ensure the stability of the connection.

[0052] The outer wall of the second wire 4 is sleeved with a sealing ring 70, and the sealing ring 70 is located between the elastic member 23 and the second connecting end 201. When the inserted conductor 12 is inserted into the socket block 21 until the inserted conductor 12 cannot be continuously inserted, it indicates that the inserted conductor 12 has completely abutted against the conductor groove 22. At this time, the sealing ring 70 abuts against the inner wall of the second insertion end 202, so as to limit the position of the second wire 4 and seal the second insertion end 202. At this time, the position of the second wire 4 can be fixed by using the second fixing member 90, or the second fixing member 90 can not be used, and the position of the second wire 4 is fixed only by the pressing of the inserted conductor 12 and the limiting of the sealing ring 70.

[0053] In some embodiments, the outer wall of the joint part 10 is provided with an external threaded cylinder 60, the fixing sleeve 5 is internally provided with an internal thread, the external threaded cylinder 60 is threadedly connected with the fixing sleeve 5, thus realizing the fixation of the fixing sleeve with the joint part 10 and ensuring the structural stability of the joint part 10.

[0054] In some embodiments, the fixing sleeve 5 comprises a main body part 51 and a first protruding part 52 protruding from one end of the main body part 51, and the first connecting end 102 and the second connecting end 201 are located on the side of the first protruding part 52 away from the interface part 20.

[0055] Specifically, the interface part 20 is provided with a second protruding part 203 near the second connecting end 201, the second protruding part 203 abuts or is clamped with the first protruding part 52, thus the first protruding part 52 can limit the second protruding part 203, and further limit the interface part 20, ensuring the structural stability of the interface part 20.

[0056] In this application, the fixing sleeve 5 can simultaneously limit and fix the interface part 20 and the joint part 10, ensuring the relative fixation of the interface part 20 and the joint part 10, improving the structural stability of the wire connector, and further ensuring the connection stability of the first wire 30 and the second wire 4.

[0057] Meanwhile, the fixing sleeve 5 is threadedly connected with the joint part 10, and the fixing sleeve 5 abuts with the interface part 20, thus realizing the limiting and fixation of the interface part 20 and the joint part 10, and without the need of using fixing members such as bolts, greatly improving the use convenience of the wire connector and facilitating actual operation.

[0058] Further, the first wire 30 is sleeved with a sealing ring near the first insertion end 101, which limits the first wire 30 and improves the sealing property of the first insertion end 101, to further protect the first wire 30.

[0059] In specific implementation, one end of the second wire 4 extends from the second insertion end 202, passes through the elastic member 23 and the connecting through hole 211, and is connected with the inner wall of the conductor groove 22. At this time, the socket block 21 is in the extended state under the normal action of the elastic member 23, and the sealing ring 70 on the second wire 4 does not contact the second insertion end 202 of the interface part 20 at this time.

[0060] One end of the first wire 30 extends from the first insertion end 101 into the connecting hole 121, and the first wire 30 is fixed in position by using the first fixing member 80, so that the first wire 30 contacts the side wall of the connecting hole 121.

[0061] When the first wire 30 and the second wire 4 need to be connected, the joint part 10 and the interface part 20 are aligned, and the insertion conductor 12 on the joint part 10 is inserted into the conductor groove 22 of the interface part 20, and the insertion conductor 12 is continuously pushed, at which time the socket block 21 is extruded to move in the direction close to the second extending end 202, and the spring (i.e., the aforementioned elastic member 23) is compressed, and the spring continuously applies a force to the socket block 21, and the socket block 21 and the plug block 11 are continuously kept in close contact, which not only plays a waterproof role but also plays a role in increasing the stability of the electrical connection between the insertion conductor 12 and the conductor groove 22. At the same time that the socket block 21 is extruded to move in the direction close to the second extending end 202, the second wire 4 also moves in the direction close to the second extending end 202 along with the socket block 21, so that the sealing ring 70 and the inner wall of the second extending end 202 are in close contact, and the sliding connection between the second wire 4 and the second extending end 202 is sealed, thereby increasing the sealing performance of the device. Then, the position of the second wire 4 can be further fixed by the second fixing member 90.

[0062] Then the fixing sleeve 5 is screwed onto the outer threaded cylinder 60, and the second protruding part 203 is located on the side of the first protruding part 52 away from the interface part 20, and then the fixing sleeve 5 is continuously rotated to threadedly connect the fixing sleeve 5 with the outer threaded cylinder 60 and make the first protruding part 52 abut against the second protruding part 203, thereby fixing the joint part 10 and the interface part 20.

[0063] The wire connector of the present application has the following beneficial effects:

[0064] Quick connection: By designing the inner and outer threaded connection structure, the wire connector can be connected in a short time, which greatly improves the connection efficiency compared with the traditional multi-bolt fixing method.

[0065] Waterproof sealing performance: Through the design of the sealing ring 70 and the close contact of the socket block 21 under the action of the spring, the waterproof performance of the connector in harsh environments is ensured, and the problems of short circuit or corrosion caused by water entering are effectively prevented.

[0066] Stability enhancement: The pressure applied by the spring to the socket block 21 ensures the close contact between the insertion conductor 12 and the conductor groove 22, enhances the stability of the electrical connection, and reduces the signal transmission problems caused by poor contact.

[0067] Easy to disassemble and maintain: Since the threaded connection method is adopted, the user can easily disassemble the connector for inspection or replace the wire when needed, which reduces the maintenance cost and complexity.

[0068] In summary, the wire connector not only solves the inconvenience existing in the traditional connection method, but also improves the overall reliability and practicality through its unique design.

[0069] It should be understood by those of ordinary skill in the art that the discussion of any embodiment is merely exemplary and not intended to be limiting of the scope of the application (including the claims) as it is intended to cover any alternatives, modifications, and equivalents falling within the broad scope of the appended claims. The technical features of the above embodiments or among different embodiments can also be combined, and the steps can be implemented in any order, and there are many other changes of different aspects of the application as described above, which are not provided in details for the sake of brevity.

[0070] Embodiments of the application are intended to cover all alternatives, modifications, and variations falling within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications and variations are intended to be encompassed by the appended claims.

Claims

1. A wire connector, characterized by The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, The utility model relates to a hollow joint part, including second extension end and second connecting end, the second extension end is used for the end of second wire extension, the inside of joint part is provided with conductor groove, the inner wall of conductor groove is the conductive layer, the insertion conductor inserts in conductor groove and is contacted with the conductive layer, the conductive layer and / or insertion conductor in conductor groove are used for connecting with the second wire of extension, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 2. The wire connector of claim 1, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 3. The wire connector of claim 2, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 4. The wire connector of claim 3, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 5. The lead connector of claim 1, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 6. The wire connector of claim 5, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 7. The wire connector of claim 5, wherein, The utility model relates to a hollow joint part, including first extension end and first connecting end, the first extension end is used for the end of first wire extension, the inside of joint of part is insulated and is provided with the insertion conductor, one end of insertion conductor is out of first connecting end, the other end of insertion conductor is used for connecting with the first wire of extension, 8. The lead connector of claim 1, wherein, ​ 9. The wire connector of claim 8, wherein, ​ 10. The lead connector of claim 9, wherein, ​

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