Connector

Abstract

The utility model discloses a connector. The connector comprises a housing, an insulating rubber core and a conductive assembly. The shell is provided with a mounting cavity, and the insulating rubber core is at least partially located in the mounting cavity and fixedly connected with the shell. The insulating rubber core is provided with a first installation part, a first conductive part of the conductive assembly is inserted into the first installation part, the first installation part is provided with a first buckle towards the inner side, and the first conductive part is provided with a limiting opening matched with the first buckle. The first buckle is buckled into the limiting opening to achieve limiting installation of the first conductive piece and the insulating rubber core. And the structural stability of the connector in the use process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy electric automobile field, concretely relates to a connector. BACKGROUND

[0002] With the development of automobile industry, new energy industry high voltage and high current connector is applied more and more widely, and the electric trend is more and more obvious, and the demand for high voltage and high current is increasing, and there is great demand for product stability and cost reduction. The high current via hole connector on the market mainly uses the terminal cold pressure connection mode for current transmission, and the traditional copper wire and copper nose are pressure connected, and the aluminum wire and copper nose are pressure connected for cost reduction, but the high temperature rise is easy to cause the risk of ablation, resulting in insufficient product electrical connection stability. SUMMARY

[0003] The utility model discloses a kind of connectors to solve the deficiency of the prior art described above, and it is provided that aluminum wire copper bar ultrasonic welding, glue core lock catch, gasket is prevented in the mode of falling off, while effectively reducing the cost, can guarantee product electrical connection stability.

[0004] The utility model provides a kind of connector, comprising:

[0005] Shell, with three side-by-side installation cavities;

[0006] Insulating rubber core, fixedly installed at the front end of the installation cavity, the insulating rubber core is at least partially located in the installation cavity and is fixedly connected with the shell;The front end of the insulating rubber core has a first mounting part;The first mounting part has a first plug-in cavity;The first mounting part is provided with a first buckle towards the inner side;

[0007] Conductive assembly, inserted into the insulating rubber core, the conductive assembly includes first conductive part and second conductive part welded fixedly, the first conductive part is inserted into the first plug-in cavity, the end face of the first conductive part towards the first buckle is provided with a limiting port, the first buckle is matched with the limiting port, the first buckle is buckled into the limiting port, and the first mounting part and the first conductive part are fixedly positioned.

[0008] In an embodiment, the insulating rubber core has a second mounting part connected with the first mounting part, the second mounting part has a second plug-in cavity, the second plug-in cavity is communicated with the first plug-in cavity, the second conductive part is inserted into the second mounting part, and the front end of the second conductive part abuts against the inner side face of the second mounting part close to one end of the first mounting part.

[0009] In an embodiment, the inner wall of the shell is provided with a first limiting step, and the outer wall of the insulating rubber core is provided with a second limiting step at the corresponding position, and the first limiting step and the second limiting step are clamped.

[0010] In an embodiment, the inner wall of the shell is provided with an anti-falling groove, and the anti-falling groove is provided with an anti-falling washer, which is arranged at the rear end of the insulating rubber core and limits and fixes the insulating rubber core.

[0011] In an embodiment, the anti-falling washer is provided with an opening.

[0012] In an embodiment, the second conductive member has a fixedly connected connecting end and a cable, and the connecting end is fixed by ultrasonic welding with the first conductive member.

[0013] In an embodiment, the cable has a metal shielding layer inside, one end of the metal shielding layer extends outward from the inside of the cable and is folded to cover the outer wall of the cable, and an inner shielding ring is sleeved outside the metal shielding layer, and an outer shielding ring is arranged between the inner shielding ring and the shell.

[0014] In an embodiment, a second buckle is arranged on the outer side wall of the rear end of the shell, an tail wire sleeve is sleeved outside the second conductive member, the tail wire sleeve has a clamping groove matched with the second buckle, and the second buckle is clamped into the clamping groove to fixedly connect the shell and the tail wire sleeve.

[0015] In an embodiment, a wire clamp is further arranged between the second conductive member and the tail wire sleeve, and a plurality of limiting protrusions are arranged on one side of the wire clamp facing the second conductive member.

[0016] In an embodiment, a first sealing member is arranged between the second conductive member and the shell.

[0017] The connector of the technical scheme of the utility model, including shell, insulating rubber core and conductive assembly. The shell has a mounting cavity, and the insulating rubber core is at least partially located in the mounting cavity and fixedly connected with the shell. The insulating rubber core has a first mounting portion, and a first conductive member of the conductive assembly is inserted into the first mounting portion. The first mounting portion is provided with a first buckle towards the inner side, and the first conductive member is provided with a limiting opening matched with the first buckle. The first buckle is clamped into the limiting opening to realize the limiting installation of the first conductive member and the insulating rubber core. The structural stability of the connector during use is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0019] Figure 1is a perspective exploded view of the connector according to an embodiment of the utility model;

[0020] Figure 2 is a structure sectional view of the connector according to an embodiment of the utility model;

[0021] Figure 3 is a main view of the installation structure of the shell and the insulating rubber core according to the utility model;

[0022] Figure 4 is Figure 3 is a sectional view along line A-A;

[0023] Figure 5 is a three-dimensional structure schematic view of the main body according to an embodiment of the utility model;

[0024] Figure 6 is a sectional view of the shell according to an embodiment of the utility model;

[0025] Figure 7 is a sectional view of the insulating rubber core according to an embodiment of the utility model;

[0026] Figure 8 is a perspective view of the anti-drop gasket according to an embodiment of the utility model;

[0027] Figure 9 is a sectional view of the second conductive member, the inner shielding ring, the wire clamp and the tail wire sleeve according to an embodiment of the utility model;

[0028] Figure 10 is a three-dimensional structure schematic view of the conductive assembly according to an embodiment of the utility model;

[0029] Figure 11 is a three-dimensional structure schematic view of the wire clamp according to an embodiment of the utility model;

[0030] Explanation of reference signs:

[0031] Reference Name Reference Name Reference Name 1 Housing 21 First mounting portion 422 Cable 1a Mounting cavity 211 First buckle 422a Metal shielding layer 11 Third mounting portion 22 Second mounting portion 51 Outer shielding ring 111 Sealing groove 221 Second limiting step 52 Inner shielding ring 12 Fourth mounting portion 3 Anti-falling washer 61 First sealing element 121 Second buckle 3a Opening 62 Gasket 122 Anti-falling groove 4 Conductive assembly 7 Wire clamp 123 Limiting rib 41 First conductive element 71 Limiting protrusion 13 First limiting step 41a Limiting opening 8 Tail wire sleeve 2 Insulating rubber core 42 Second conductive element 9 Second sealing element 2a First plug-in cavity 421 Connection end 2b Second plug-in cavity 421a Step surface

[0032] The utility model realizes the purpose, functional characteristics and advantages, which will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

[0035] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel solutions, for example, "A and / or B" includes A solution, or B solution, or A and B solutions. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0037] With the development of automobile industry, new energy industry high-voltage and high-current connector is applied more and more widely, and the electric trend is more and more obvious, and the demand for high-voltage and high-current is increasing, and there is a great demand for product stability and cost reduction. The high-current via connector on the market mainly uses terminal cold pressure connection to transmit current, and the traditional copper wire is mainly used for pressure connection with copper nose, and the aluminum wire is used for pressure connection with copper nose for cost reduction, but the temperature rise is too high, which is easy to cause ablation risk, resulting in insufficient electrical connection stability of the product.

[0038] The utility model provides a kind of connector. Please refer to Figures 1 to 11The connector comprises a shell 1, three installation cavities 1a arranged side by side, an insulating rubber core 2 fixedly installed at the front end of the installation cavities 1a, the insulating rubber core 2 being at least partially located in the installation cavities 1a and fixedly connected with the shell 1, the insulating rubber core 2 being provided with a first installation portion 21 at the front end, the first installation portion 21 being provided with a first plug-in cavity 2a, and the first installation portion 21 being provided with a first buckle 211 towards the inside, a conductive assembly 4 being inserted into the insulating rubber core 2, the conductive assembly 4 comprising a first conductive piece 41 and a second conductive piece 42 fixedly welded, the first conductive piece 41 being inserted into the first plug-in cavity 2a, the first conductive piece 41 being provided with a limiting opening 41a on the end face towards the first buckle 211, the first buckle 211 being matched with the limiting opening 41a, and the first buckle 211 being buckled into the limiting opening 41a to limit and fix the first installation portion 21 and the first conductive piece 41.

[0039] In the embodiment, the shell 1 is made of metal material, and the shell 1 comprises a third installation portion 11 and a fourth installation portion 12 arranged integrally. The connector comprises three groups of insulating rubber cores 2 and three groups of conductive assemblies 4. The insulating rubber core 2 can be made of plastic material. The three groups of insulating rubber cores 2 are respectively installed in the three installation cavities 1a of the shell 1, and the insulating rubber core 2 is fixed at the position close to the third installation portion 11 of the installation cavity 1a. It can be understood that the insulating rubber core 2 is at least partially fixedly installed in the installation cavity 1a. The conductive assembly 4 comprises a first conductive piece 41, the end of the insulating rubber core 2 away from the shell 1 is provided with a first connecting portion 21 for inserting the first conductive piece 41, and the first conductive piece 41 at least partially extends out of the first connecting portion 21. The insulating rubber core 2 is sleeved outside the first conductive piece 41, so that the first conductive piece 41 does not directly contact the shell 1. The first conductive piece 41 can be made of pure copper material, but is not limited to this, to ensure that the first conductive piece 41 has good conductivity. The conductive assembly 4 further comprises a second conductive piece 42 fixedly welded with the first conductive piece 41. In the conventional crimping mode, a large amount of heat is easily generated at the crimping position of the conductive piece, which causes the risk of ablation. The first conductive piece 41 and the second conductive piece 42 welded together can effectively solve the problem of temperature rise at the connecting position, and have stronger connection stability. The first installation portion 21 is provided with a buckle 211 towards the first conductive piece 41, and the end of the first conductive piece 41 towards the buckle 211 is provided with a limiting opening 41a matched with the buckle 211. The buckle 211 is buckled into the limiting opening 41a to limit the first conductive piece 41, prevent the first conductive piece 41 from being separated from the insulating rubber core 2, and enhance the durability and stability of the connector. The end face of the third installation portion 11 away from the fourth installation portion 12 is further provided with a sealing groove 111, and the sealing groove 111 is provided with a second sealing piece 9, to ensure the sealing connection of the connector.

[0040] Further, the insulating core 2 has a second mounting portion 22 connected with the first mounting portion 21, the second mounting portion 22 has a second insertion cavity 2b, the second insertion cavity 2b is communicated with the first insertion cavity 2a, the second conductive member 42 is inserted into the second mounting portion 22, and the front end of the second conductive member 42 abuts against the inner side of the end of the second mounting portion 22 close to the first mounting portion 21.

[0041] Specifically, the first conductive member 41 and the second conductive member 42 are connected by lap welding, and after welding, the conductive assembly 4 has a stepped surface 421a. The conductive assembly 4 is inserted into the insulating core 2, the second conductive member 42 extends into the second insertion cavity 2b of the second mounting portion 22, and during assembly, the second conductive member 42 is inserted in the direction close to the first mounting portion 21 until the stepped surface 421a abuts against the inner wall of the second mounting portion 22, and the inner side of the end of the second mounting portion 22 close to the first mounting portion 21 limits the further movement of the second conductive member 42, thereby limiting the second conductive member 42. At the same time of limiting and fixing the conductive assembly 4, it can also be monitored whether the conductive assembly 4 and the insulating core 2 are installed in place.

[0042] Further, please refer to Figure 1 , the inner wall of the shell 1 is provided with a first limiting step 13, the outer wall of the insulating core 2 is provided with a second limiting step 221 at the corresponding position, and the first limiting step 13 and the second limiting step 221 are clamped.

[0043] Specifically, the inner cavity diameter of the third mounting portion 11 of the shell 1 is smaller than the inner cavity diameter of the fourth mounting portion 12, and the first limiting step 13 is formed on the inner wall of the shell 1. The outer side wall of the end of the second mounting portion 22 of the insulating core 2 away from the first mounting portion 21 is provided with a second limiting step 221. The second limiting step 221 is a protrusion on the outer side wall of the insulating core 2, and the structure and position of the second limiting step 221 are correspondingly arranged with the first limiting step 13. During assembly, the insulating core 2 is inserted from the opening of the fourth mounting portion 12 and moved in the direction close to the third mounting portion 11 until the second limiting step 221 abuts against the first limiting step 13, thereby limiting the further movement of the insulating core 2 in this direction, limiting and installing the insulating core 2, and at the same time ensuring that the insulating core 2 is installed in place.

[0044] Further, please refer to Figure 1 and Figure 2 , the inner wall of the shell 1 is provided with an anti-falling groove 122, the anti-falling groove 122 is provided with an anti-falling washer 3, and the anti-falling washer 3 is arranged at the rear end of the insulating core 2 to limit and fix the insulating core 2.

[0045] Specifically, the anti-falling groove 122 is arranged on the inner wall of the shell 1, the anti-falling washer 3 is arranged in the anti-falling groove 122, the insulating rubber core 2 is inserted into the shell 1, and the second limiting step 221 abuts against the first limiting step 13. The insertion direction of the insulating rubber core 2 is the front end, and the opposite direction is the rear end. The anti-falling washer 3 is arranged at the rear end of the insulating rubber core 2, and the anti-falling washer 3 is in close contact with the rear end of the insulating rubber core 2, so that the insulating rubber core 2 and the shell 1 are kept in a fixed state. The anti-falling washer 3 limits the movement of the insulating rubber core 2 to the rear end, and fixes the insulating rubber core 2, thereby preventing the insulating rubber core 2 from falling off during use.

[0046] Further, please refer to Figure 1 The anti-falling washer 3 is provided with an opening 3a.

[0047] Specifically, the opening 3a is arranged to facilitate the installation of the anti-falling washer 3 in the anti-falling groove 122.

[0048] Further, please refer to Figure 1 The second conductive part 42 has a fixed connection end 421 and a cable 422, and the connection end 421 is fixed to the first conductive part 41 by ultrasonic welding.

[0049] Specifically, the second conductive part 42 has a connection end 421 at one end close to the first conductive part 41, and at least a part of the connection end 421 is overlapped and welded with the first conductive part 41. Preferably, the connection end 421 and the first conductive part 41 are ultrasonically welded. The end surface of the connection end 421 away from the step surface 421a is connected with the cable 422, and the cable 422 includes an aluminum wire and an outer protective layer. Compared with the traditional copper wire, the aluminum wire has the advantages of high strength, high quality, low resistance and strong conductivity. At the same time, the cable 422 is made of aluminum wire, which can greatly reduce the cost. The connection of the aluminum wire is larger than that of the copper wire, so that the ultrasonic welding of the first conductive part 41 and the second conductive part 42 can effectively solve the problem of temperature rise at the connection, avoid the risk of ablation, and improve the safety and reliability of the connector.

[0050] Further, please refer to Figure 1 The cable 422 has a metal shielding layer 422a inside, one end of the metal shielding layer 422a extends outward from the inside of the cable 422 and is folded to cover the outer wall of the cable 422, the outer part of the metal shielding layer 422a is sleeved with an inner shielding ring 52, and the inner shielding ring 52 is arranged between the shell 1 and the outer shielding ring 51.

[0051] Specifically, the cable 422 has an outer protective layer, and a metal shielding layer 422a is arranged in the outer protective layer. The metal shielding layer 422a extends outward from the inside of the cable 422 and is folded on the outer wall of the outer protective layer at one end close to the connecting end 421. The metal shielding layer 422a folded on the outer wall of the outer protective layer is sleeved with an inner shielding ring 52 outside, and the inner shielding ring 52 is in conductive connection with the metal shielding layer 422a. The inner shielding ring 52 and the outer shielding ring 51 are sleeved between the inner wall of the shell 1. The outer shielding ring 51 is provided with a plurality of spaced-apart reeds towards the inner shielding ring 52. The outer wall of the outer shielding ring 51 is in conductive connection with the inner wall of the shell 1, and the reeds are in conductive connection with the outer wall of the inner shielding ring 52. The reeds apply a pressing force to the inner shielding ring 52, so that the outer shielding ring 51, the inner shielding ring 52 and the cable 422 are relatively fixed and cannot be separated, ensuring the stability of the conduction. The metal shielding layer 422a is in conduction with the shell 1 under the action of the inner shielding ring 52 and the outer shielding ring 51, so that the shell 1 has a shielding function, thereby enabling the connector to effectively prevent electromagnetic interference.

[0052] Further, please refer to Figure 1 , the second buckle 121 is arranged on the outer side wall of the rear end of the shell 1, and the second conductive part 42 is sleeved with a tail wire sleeve 8. The tail wire sleeve 8 has a clamping groove matched with the second buckle 121, and the second buckle 121 is clamped into the clamping groove to fixedly connect the shell 1 and the tail wire sleeve 8.

[0053] Specifically, the tail wire sleeve 8 is provided with a mounting hole, and the second conductive part 42 is arranged in the mounting hole. The shell 1 is installed in cooperation with the tail wire sleeve 8. The second buckle 121 is arranged on the outer side wall of the fourth mounting part 12 away from the third mounting part 11. The tail wire sleeve 8 is provided with a clamping groove matched with the second buckle 121, and the shell 1 and the tail wire sleeve 8 are fixedly connected by the clamping of the second buckle 121 and the clamping groove. Preferably, the outer wall of the fourth mounting part 12 can be spaced apart with a plurality of second buckles 121, and the clamping grooves of the tail wire sleeve 8 are arranged correspondingly with the second buckles 121, further enhancing the assembly stability of the shell 1 and the tail wire sleeve 8.

[0054] Further, please refer to Figure 1 , the second conductive part 42 and the tail wire sleeve 8 are further provided with a wire clamp 7. The wire clamp 7 has a plurality of limiting protrusions 71 towards the second conductive part 42.

[0055] Specifically, the wire clamp 7 is arranged between the second conductive member 42 and the tail wire sleeve 8, and the wire clamp 7 is composed of a circular ring and a crimping portion connected to the circular ring, and the crimping portion has an inclined surface at an end away from the circular ring, and can be tightened inward under the action of external pressure. The wire clamp 7 is sleeved outside the second conductive member 42, the tail wire sleeve 8 is sleeved outside the wire clamp 7, and the crimping portion is tightened inward under the pressure of the tail wire sleeve 8, so as to fix the second conductive member 42. The end face of the crimping portion towards the second conductive member 42 is provided with a plurality of limiting protrusions 71, so that the wire clamp 7 is in interference fit with the second conductive member 42, and the wire clamp 7 and the second conductive member 42 are fixedly assembled.

[0056] Further, please refer to Figure 1 , the second conductive member 42 and the shell 1 are provided with a first sealing member 61.

[0057] Specifically, the front end of the wire clamp 7 is provided with the first sealing member 61, and the first sealing member 61 is sleeved outside the second conductive member 42. The first sealing member 61 is arranged between the wire clamp 7 and the outer shielding ring 51, and the first sealing member 61 and the outer shielding ring 51 are further provided with a gasket 62. In assembly, the outer shielding ring 51, the gasket 62, the first sealing member 61, the wire clamp 7 and the tail wire sleeve 8 are sequentially sleeved outside the second conductive member 42, the tail wire sleeve 8 is fixedly assembled with the shell 1, and the outer shielding ring 51, the gasket 62 and the first sealing member 61 are prevented from being separated from the shell. The end face of the first sealing member 61 towards the second conductive member 42 and the end face away from the second conductive member 42 are uniformly provided with a plurality of sealing protrusions, and the sealing protrusions are respectively in abutment with the inner side wall of the shell 1 and the outer side wall of the second conductive member 42, so as to realize sealed connection.

[0058] The utility model connector adopts ultrasonic welding of copper first conductive member 41 and second conductive member 42 containing aluminum wire, reduces the overall weight and manufacturing cost of product, effectively solves the temperature rise problem of conductor connection, and increases the service life of product. The first limiting step 13 of the shell 1 and the second limiting step 221 of the insulating rubber core 13 are limited and matched, the anti -drop gasket 3 arranged on the inner wall of the shell 1 is used for limiting and clamping the insulating rubber core 13, and the fixed assembly of the insulating rubber core 13 and the shell 1 is guaranteed. The first buckle 211 of the insulating rubber core 2 and the limiting mouth 41a of the first conductive member 41 are buckled and matched, and the step surface 421a of the conductive assembly 4 and the limiting of the inner wall of the insulating rubber core 13 are matched, so as to realize the fixed assembly of the insulating rubber core 13 and the conductive assembly 4. The wire clamp 7 and the tail wire sleeve 8 are sleeved outside the conductive assembly 4, and the shell 1 and the conductive assembly 4 are fixedly assembled through the second buckle 121 and the clamping groove. The structure effectively improves the safety and stability of the connector.

[0059] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0060] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary, and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application without departing from the principles and spirit of the present application.

Claims

1. A connector characterized by comprising: The utility model relates to a shell (1) has three side -by -side installation cavity (1a); Insulating rubber core (2) is fixedly installed to the front end of installation cavity (1a), and the insulating rubber core (2) is located at least partially in installation cavity (1a) with fixed connection with shell (1);The front end of insulating rubber core (2) has first mounting part (21);First mounting part (21) has first plug-in cavity (2a);First mounting part (21) is equipped with first buckle (211) towards the inside; Conductive assembly (4) is inserted in insulating rubber core (2), and the conductive assembly (4) includes the fixed welding first conductive part (41) with second conductive part (42), the first conductive part (41) is inserted in first plug-in cavity (2a), the first conductive part (41) is equipped with limit port (41a) on the end face towards first buckle (211), and first buckle (211) is matched with limit port (41a), and first buckle (211) is buckled into limit port (41a), and first mounting part (21) and first conductive part (41) are fixedly positioned. The insulating rubber core (2) has a second mounting part (22) connected to the first mounting part (21), the second mounting part (22) has a second plug-in cavity (2b), the second plug-in cavity (2b) is in communication with the first plug-in cavity (2a), the second conductive part (42) is inserted into the second mounting part (22), and the second conductive part (42) is in abutment with the inner side surface of the second mounting part (22) close to one end of the first mounting part (21).

2. The connector of claim 1, wherein, The inner wall of the shell (1) is provided with a first limiting step (13), and the outer wall of the insulating rubber core (2) is provided with a second limiting step (221) at a corresponding position, and the first limiting step (13) and the second limiting step (221) are clamped.

3. The connector of claim 1, wherein, The inner wall of the shell (1) is provided with an anti-disengagement groove (122), and the anti-disengagement groove (122) is provided with an anti-disengagement washer (3) inside, the anti-disengagement washer (3) is arranged at the rear end of the insulating rubber core (2), and the insulating rubber core (2) is fixedly positioned.

4. The connector of claim 3, wherein The anti-disengagement washer (3) is provided with an opening (3a).

5. The connector of claim 4, wherein, The second conductive part (42) has a fixedly connected connecting end (421) and a cable (422), and the connecting end (421) is fixed by ultrasonic welding with the first conductive part (41).

6. The connector of claim 1, wherein, The cable (422) has a metal shielding layer (422a) inside, one end of the metal shielding layer (422a) extends outward from the inside of the cable (422) and is folded to cover the outer wall of the cable (422), and the outside of the metal shielding layer (422a) is provided with an inner shielding ring (52), and the outer shielding ring (51) is arranged between the inner shielding ring (52) and the shell (1).

7. The connector of claim 6, wherein ​ 8. The connector of claim 1, wherein, The second buckle (121) is arranged on the outer side wall of the rear end of the shell (1), the second conductive part (42) is externally sleeved with a tail wire sleeve (8), the tail wire sleeve (8) has a clamping groove matched with the second buckle (121), and the second buckle (121) is clamped into the clamping groove to fixedly connect the shell (1) and the tail wire sleeve (8).

9. The connector of claim 8, wherein, A wire clamp (7) is further arranged between the second conductive part (42) and the tail wire sleeve (8), and a plurality of limiting protrusions (71) are arranged on one side of the wire clamp (7) facing the second conductive part (42).

10. The connector of claim 3, wherein, A first sealing part (61) is arranged between the second conductive part (42) and the shell (1).

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