CN211605431U

CN211605431U - Connector and cable assembly

Info

Publication number: CN211605431U
Application number: CN202020569935.2U
Authority: CN
Inventors: 张鸣; 黄争; 杨进全
Original assignee: 3M Innovative Properties Co
Current assignee: 3M Innovative Properties Co
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-09-29
Anticipated expiration: 2030-04-16

Abstract

The utility model provides a connector, which comprises a first insulating sleeve, a first conductive shielding tube and a second conductive shielding tube, the first insulating sleeve having a resiliency, the first conductive shielding tube disposed within the lumen of the first insulating sleeve, the second conductive shielding tube is arranged in the tube cavity of the first conductive shielding tube, the axial directions of the first insulating sleeve, the first conductive shielding tube and the second conductive shielding tube are the same, the outer surface of the first conductive shielding tube is attached to the inner surface of the first insulating sleeve, the outer surface of the second conductive shielding tube is attached to the inner surface of the first conductive shielding tube, the axial length of the first conductive shielding tube is smaller than that of the first insulating sleeve, and the axial length of the second conductive shielding tube is smaller than that of the first conductive shielding tube. The utility model also provides a cable subassembly, cable subassembly simple structure, electricity connection stability are good.

Description

Connector and cable assembly

Technical Field

The utility model relates to an electrical equipment field specifically relates to a connector and a cable subassembly including this cable subassembly.

Background

With the increase of electric equipment, cables with longer lengths are increasingly required. To facilitate installation, relatively short cables may be electrically connected together with connectors to form a longer cable assembly.

However, the reliability of the electrical connection of the cable assembly obtained by the connector connection may be insufficient. Therefore, how to obtain a cable assembly with reliable electrical connection becomes a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector and a cable subassembly including this connector, the cable subassembly has better electric connection reliability.

In order to achieve the above object, as one aspect of the present invention, there is provided a connector, wherein, the connector comprises a first insulating sleeve, a first conductive shielding tube and a second conductive shielding tube, the first insulating sleeve has elasticity, the first conductive shielding tube is arranged in the cavity of the first insulating sleeve, the second conductive shielding tube is arranged in the cavity of the first conductive shielding tube, the axial directions of the first insulating sleeve, the first conductive shielding tube and the second conductive shielding tube are the same, the outer surface of the first conductive shielding tube is attached to the inner surface of the first insulating sleeve, the outer surface of the second conductive shielding tube is attached to the inner surface of the first conductive shielding tube, the axial length of the first conductive shielding tube is smaller than that of the first insulating sleeve, and the axial length of the second conductive shielding tube is smaller than that of the first conductive shielding tube.

Preferably, the connector further includes at least one support core tube detachably provided inside the first insulating sleeve to spread at least both end openings of the first insulating sleeve.

Preferably, the second conductive shielding pipe is made of a metal material, and the connector includes two support core pipes, which are respectively disposed at both ends of the second conductive shielding pipe.

Preferably, the first conductive shielding pipe is made of a semiconductive material having elasticity, the connector includes one of the supporting core pipes, the supporting core pipe extends from one end of the connector to the other end of the connector, and the supporting core pipe passes through an inner cavity of the first conductive shielding pipe.

Preferably, the support core pipe is formed by spirally winding a plastic strip, and two adjacent turns of the support core pipe are fixedly connected by a physical or chemical method. The support core tube may also be cut from a plastic tube.

Preferably, the connector further includes a second insulating sleeve and an auxiliary conductive shielding sleeve, the auxiliary conductive shielding sleeve is disposed outside the first insulating sleeve, the second insulating sleeve and the auxiliary conductive shielding sleeve both have elasticity, the second insulating sleeve is sleeved outside the auxiliary conductive shielding sleeve, and the second insulating sleeve and the auxiliary conductive shielding sleeve can be separated;

the total length of the auxiliary conductive shielding sleeve and the total length of the second insulating sleeve are both greater than the length of the first insulating sleeve, two ends of the second insulating sleeve are both rolled up, and two ends of the auxiliary conductive shielding tube are both rolled up to expose two ports of the first insulating sleeve.

Preferably, the connector still includes from the type layer, it pastes from the type layer the second insulation support deviates from on the surface of supplementary conductive shielding cover, just the part that the second insulation support was rolled up with from the type layer laminating.

As another aspect of the present invention, a cable assembly is provided, which includes a first cable, a second cable and a connector, wherein the connector is the above connector provided by the present invention;

the first cable comprises a first cable main body and a first conductive connecting part arranged at one end of the first cable main body, and the first conductive connecting part is electrically connected with the first cable main body;

the second cable comprises a second cable main body and a second conductive connecting part arranged at one end of the second cable main body, and the second conductive connecting part is electrically connected with the second cable main body;

one end of the first cable, provided with the first conductive connecting part, is inserted into the second conductive shielding pipe, one end of the second cable, provided with the second conductive connecting part, is inserted into the second conductive shielding pipe, and the first conductive connecting part is electrically connected with the second conductive connecting part;

the first insulating sleeve is elastically deformed to generate a restoring force that presses the first cable main body and the second cable main body.

Preferably, a first mounting hole is formed in an end surface, facing the second conductive connecting part, of the first conductive connecting part, and a first positioning groove is formed in a hole wall of the first mounting hole;

the second conductive connecting part comprises a mounting part, a matching part and a positioning spring, the mounting part is formed on the end face, facing the first cable, of the second cable body, the matching part is formed on the mounting part, and a second positioning groove is formed in the outer peripheral surface of the matching part;

the matching part is inserted into the first mounting hole, and the first positioning groove and the second positioning groove are matched, so that one part of the positioning spring is arranged in the first positioning groove, and the other part of the positioning spring is arranged in the second positioning groove.

Preferably, the first mounting hole has a diameter that gradually decreases in a direction from the first conductive connecting portion to the first cable main body, and the fitting portion has a diameter that gradually increases in a direction from the fitting portion to the second cable main body.

Preferably, the first conductive connecting portion includes a first connecting portion and a fixing portion, the fixing portion is formed on an end surface of the first cable main body, a second mounting hole is formed at one end of the first connecting portion, the first mounting hole is formed at the other end of the first connecting portion, and the fixing portion is inserted into the mounting hole so that the first connecting portion is fixedly connected with the fixing portion.

Preferably, the cable assembly includes a conductive contact spring disposed within the second conductive shield tube, at least one of the first conductive connection portion and the second conductive connection portion being sleeved with at least one of the conductive contact springs.

the total length of the auxiliary conductive shielding sleeve and the total length of the second insulating sleeve are both greater than the length of the first insulating sleeve, the auxiliary conductive shielding sleeve covers a portion of the first cable that protrudes from the first insulating sleeve, and the auxiliary conductive shielding sleeve covers a portion of the second cable that protrudes from the first insulating sleeve.

Preferably, the cable assembly further includes two fixing covers, the two fixing covers are respectively disposed at two ends of the auxiliary conductive shielding cover, a part of the fixing cover covers the auxiliary conductive shielding cover, another part of the fixing cover extends to a corresponding one of the first cable and the second cable, and the second insulating cover covers the fixing cover.

The utility model provides a cable subassembly includes connector and first cable and second cable that electrical connection is together. The junction of the first cable and the second cable is located within the second conductive shielding tube, which is electrically connected to form a faraday cage, thereby preventing electrical leakage of the cable assembly including the connector.

Under the condition that the first insulating sleeve is not elastically deformed, the inner diameter of the first insulating sleeve is smaller than the diameter of the first cable and smaller than the diameter of the second cable. When the first cable and the second cable of electricity connection set up in the connector, elastic deformation takes place for first insulating sleeve pipe, and under the effect of restoring force, first insulating sleeve pipe parcel live first cable and second cable to can further fix the relative position of first cable and second cable, in order to ensure the stability that first cable and second cable are connected.

The utility model discloses in, the first electrically conductive shielding pipe that sets up to be longer than the electrically conductive shielding pipe of second can further prevent that the cable subassembly from taking place the electric leakage in the junction of first cable and second cable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic, front cross-sectional view of one embodiment of a connector provided by the present invention;

FIG. 2 is a schematic cross-sectional view of a support shield tube in the connector shown in FIG. 1;

FIG. 3 is a schematic view of a hollow support core in the connector shown in FIG. 1;

fig. 4 is a schematic semi-finished product of a cable assembly obtained with the connector provided in fig. 1;

fig. 5 is a schematic main sectional view of another embodiment of the connector provided by the present invention;

fig. 6 is a schematic semi-finished product of a cable assembly obtained with the connector shown in fig. 5, wherein the auxiliary conductive shielding sleeve and the second insulating sleeve are both in a rolled folded state;

fig. 7 is a schematic view of the semi-finished product shown in fig. 6 after the auxiliary conductive shielding sleeve is converted from a rolled-up folded state to a sleeved state and is fixed by a fixing member, wherein the fixing member is a constant-force collar and an adhesive tape;

fig. 8 is a schematic view of the semi-finished product shown in fig. 6 after the auxiliary conductive shielding sleeve is converted from a rolled folded state to a sleeved state and is fixed by a fixing member, wherein the fixing member is a constant-force collar and a fixing band;

fig. 9 is a schematic view of a cable assembly obtained using the semi-finished product shown in fig. 7 or 8;

FIG. 10 is a partial schematic structural view of an embodiment of a first cable;

FIG. 11 is a partial schematic structural view of an embodiment of a second cable;

FIG. 12 is a partial schematic structural view of another embodiment of a first cable;

fig. 13 is an external view of a cable assembly provided by the present invention at a connector.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As an aspect of the present invention, there is provided a connector, wherein, as shown in fig. 1 and 5, the connector includes a first insulating sleeve 210, a first conductive shielding tube 220, and a second conductive shielding tube 230. The first insulating sleeve 210 has elasticity, the first conductive shielding tube 220 is disposed in the cavity of the first insulating sleeve 210, the second conductive shielding tube 230 is disposed in the cavity of the first conductive shielding tube 220, and the axial directions of the first insulating sleeve 210, the first conductive shielding tube 220, and the second conductive shielding tube 230 are the same. The outer surface of the first conductive shielding tube 220 is attached to the inner surface of the first insulating sleeve 210, the outer surface of the second conductive shielding tube 230 is attached to the inner surface of the first conductive shielding tube 220, the axial length of the first conductive shielding tube 220 is less than the axial length of the first insulating sleeve 210, and the axial length of the second conductive shielding tube 230 is less than the axial length of the first conductive shielding tube 220.

The utility model provides a connector is used for connecting two cables to obtain the cable subassembly. Specifically, the utility model provides a connector is the utility model provides a part of cable subassembly. The principles of the connector and cable assembly provided by the present invention are described below with reference to fig. 4 and 9:

as shown in fig. 4 and 9, the cable assembly includes a connector, and a first cable 310 and a second cable 320 electrically connected together. The junction of the first cable 310 and the second cable 320 is located inside the second conductive shielding tube 230, and the first conductive shielding tube 220 and the second conductive shielding tube 230 are electrically connected to form a faraday cage, so that leakage of electricity can be prevented from a cable assembly including the connector.

In the case where the first insulating sleeve 210 is not elastically deformed, the inner diameter of the first insulating sleeve 210 is smaller than the diameter of the first cable 310 and smaller than the diameter of the second cable 320. When the electrically connected first cable 310 and second cable 320 are disposed in the connector, the first insulation sleeve 210 is elastically deformed, and the first insulation sleeve 210 wraps the first cable 310 and the second cable 320 under the restoring force, so that the relative positions of the first cable 310 and the second cable 320 can be further fixed to ensure the stability of the connection of the first cable 310 and the second cable 320.

In the present invention, providing the first conductive shielding pipe 220 longer than the second conductive shielding pipe 230 can further prevent the cable assembly from generating electric leakage at the junction of the first cable 310 and the second cable 320.

To facilitate the positioning of the first cable 310 and the second cable 320 in the connector, it is preferable that the connector further includes at least one support core tube 270, as shown in fig. 1 and 5, the support core tube 270 being detachably pre-positioned inside the first insulating sleeve 210 to spread at least both end openings of the first insulating sleeve 270.

When the first and

second cables

310 and 320 are disposed in the connector, the port of the first insulating sleeve 210, which is opened by the support core tube 270, is easily inserted, and after the first and

second cables

310 and 320 are electrically connected, the support core tube 270 may be removed.

To facilitate assembly of the first cable 310 and the second cable 320 with the connector, preferably, the entire inner cavity of the connector is supported during assembly. To achieve this, the second conductive shielding tube 230 may be made of a metal material having good rigidity and conductive performance, and the second conductive shielding tube 230 may maintain a stable shape (as shown in fig. 2). As shown in fig. 1, the second conductive shielding tube 230 is used to support the middle of the first insulating sleeve 210, and then two supporting core tubes 270 are disposed, wherein the two supporting core tubes 270 are disposed at two ends of the second conductive shielding tube 230, respectively, to support the rest of the first insulating sleeve 210.

Of course, the present invention is not limited thereto, and the first conductive shielding tube 210 may be made of a conductive material having elasticity, for example. For example, graphite or carbon nanotubes may be doped in the rubber to obtain a semiconductive material having elasticity. In this case, the support core tube 270 needs to extend through the entire lumen of the connector. As shown in fig. 5, the connector includes a support core tube 270, the support core tube 270 extending from one end of the connector to the other end of the connector, and the support core tube 270 passes through the inner cavity of the second conductive shielding tube 230, and the support core tube 270 also passes through the inner cavity of the first conductive shielding tube 210.

In the present invention, the specific structure of the support core tube 270 is not particularly limited, for example, as shown in fig. 3, the support core tube 270 is formed by spirally winding a plastic strip, and two adjacent turns of the support core tube are fixedly connected by a physical or chemical method (for example, by bonding using an adhesive). Pulling can make the supporting core tube 270 restore to the state of the plastic strip and take out from the first insulating sleeve, thus realizing the disassembly of the supporting core tube 270.

The utility model discloses do not limit to this, optionally, support core pipe 270 also can be formed by the plastic tubing cutting, shifts out the plastic tubing and can accomplish the installation.

To further continue and seal the electrical shielding of the cable assembly between the first cable 310 and the second cable 320, the connector preferably further comprises a second insulating sleeve 250 and an auxiliary conductive shielding sleeve 240. The auxiliary conductive shielding sleeve 240 is sleeved outside the first insulating sleeve 210, the second insulating sleeve 250 and the auxiliary conductive shielding sleeve 240 both have elasticity, the second insulating sleeve 250 is sleeved outside the auxiliary conductive shielding sleeve 240, and the second insulating sleeve 250 and the auxiliary conductive shielding sleeve 240 can be separated.

The total length of the auxiliary conductive shielding sleeve 240 and the total length of the second insulating sleeve 250 are both greater than the length of the first insulating sleeve 210, both ends of the second insulating sleeve 250 are rolled up, and both ends of the auxiliary conductive shielding sleeve 240 are rolled up to expose both ports of the first insulating sleeve 210.

After the first and second cables that are conductively connected are disposed in the second conductive shielding tube 230, the rolled portions of the auxiliary shielding conductive sleeve 240 and the second insulating sleeve 250 are rolled down in sequence, and a portion of the first cable 310 and a portion of the second cable 320 are covered with a portion of the auxiliary shielding conductive sleeve 240 that extends beyond the first insulating sleeve 210. And, the auxiliary shielding conductive sleeve 240 is also covered with a portion of the second insulating sleeve 250 beyond the first insulating sleeve 210.

To facilitate pulling down the rolled-up partial strip of the second insulating sleeve 250, the connector preferably further comprises a release layer 260, the release layer 260 is attached to the surface of the second insulating sleeve 250 facing away from the auxiliary conductive shielding sleeve 240, and the rolled-up part of the second insulating sleeve 250 is attached to the release layer 260.

As a second aspect of the present invention, there is provided a cable assembly, as shown in fig. 9, comprising a first cable 310, a second cable 320 and a connector, wherein the connector is the above connector provided by the present invention.

As shown in fig. 10, the first cable 310 includes a first cable main body 311 and a first conductive connection part 312 provided at one end of the first cable main body 311, and the first conductive connection part 312 is electrically connected to the first cable main body 311.

As shown in fig. 11, the second cable 320 includes a second cable main body 321 and a second conductive connection portion 322 provided at one end of the second cable main body 321, and the second conductive connection portion 322 is electrically connected to the second cable main body 321.

One end of the first cable 310 provided with the first conductive connection part 312 is inserted into the second conductive shielding tube 230, one end of the second cable 320 provided with the second conductive connection part 322 is inserted into the second conductive shielding tube 230, and the first conductive connection part 312 is electrically connected with the second conductive connection part 322.

In the present invention, the inner diameter of the first insulating sleeve 210 when not elastically deformed and in the free state is smaller than the diameter of the first cable main body 311 and smaller than the diameter of the second cable main body 312, and therefore, the first insulating sleeve 210 elastically deforms to generate the restoring force for pressing the first cable 311 and the second cable main body 312.

In the connector, the first conductive shielding tube 220 and the second conductive shielding tube 230 form a faraday cage, and the first insulating sleeve is matched with the faraday cage to prevent electric leakage after the first conductive connecting part 312 and the second conductive connecting part 322 are conductively connected. The relative positions of the first and

second cables

310 and 320 may be maintained by the restoring force of the first insulation sleeve 210, ensuring that the first and

second cables

310 and 320 can be stably connected. Moreover, the connector is simple in structure and low in cost.

In the present invention, how to realize the conductive connection between the first conductive portion 312 and the second conductive portion 322 is not particularly limited. In the embodiment shown in fig. 10, a first mounting hole is provided on an end surface of the first conductive connection portion 312 facing the second conductive connection portion, and a first positioning groove is formed on a hole wall of the first mounting hole.

Accordingly, in the particular embodiment shown in fig. 11, the second conductive connection portion 322 includes a mounting portion 322a, a mating portion 322b, and a positioning spring 322 c. A mounting portion 322a is formed on an end surface of the second cable body 321 facing the first cable, a fitting portion 322b is formed on the mounting portion 322a, and a second positioning groove is formed on an outer circumferential surface of the fitting portion 322 b.

As shown in fig. 9, the fitting portion 322b is inserted into the first mounting hole, and the first positioning groove and the second positioning groove are fitted such that a portion of the positioning spring is disposed in the first positioning groove and another portion of the positioning spring is disposed in the second positioning groove.

A positioning spring is provided to conductively connect the first conductive connection portion 312 and the second conductive connection portion 322. Also, the first conductive connection part 312 and the second conductive connection part 322 may be prevented from being separated by the restoring force of the positioning spring.

For convenience of assembly, it is preferable that the aperture diameter of the first mounting hole is gradually reduced in a direction from the first conductive connection part 312 to the first cable main body 311 (i.e., a direction from right to left in fig. 10). Accordingly, the diameter of the fitting portion 322b gradually increases in a direction from the fitting portion 322b to the second cable main body 321 (i.e., a direction from left to right in fig. 11).

The opening of the first mounting hole is slightly larger in diameter than the tip of the fitting portion 322b, and therefore, the fitting portion 322b can be easily inserted into the first mounting hole. "

In addition, the tapered surface of the first mounting hole and the tapered surface of the mating part 322b may make better contact, improving the stability of the conductive connection.

In the present invention, how to obtain the first conductive connecting portion 312 having the first mounting hole is not particularly limited. In the embodiment shown in fig. 10, the first mounting hole may be formed directly in the end surface of the first conductive connection portion 312.

As another embodiment, as shown in fig. 12, the first conductive connection part 312 includes a first connection part 312a and a fixing part 312b, the fixing part 312b is formed on an end surface of the first cable main body 311, one end of the first connection part 312a is formed with a second mounting hole, the other end of the first connection part 312a is formed with the first mounting hole, and the fixing part 312b is inserted into the second mounting hole so that the first connection part 312a is fixedly connected with the fixing part 312 b.

It should be noted that the first mounting hole and the second mounting hole may be communicated or not, and in the embodiment shown in fig. 12, a partition plate is formed between the first mounting hole and the second mounting hole.

In order to ensure that the first conductive connection portion and the second conductive connection portion are fixed in position after being conductively connected, preferably, the cable assembly includes a second conductive contact spring 330 disposed in the second conductive shielding tube, and at least one of the first conductive connection portion and the second conductive connection portion is sleeved with at least one of the second conductive contact springs 330.

As a preferred embodiment, the connector further comprises a second insulating sleeve 250 and an auxiliary conductive shield 240. The auxiliary conductive shielding sleeve 240 is sleeved outside the first insulating sleeve 210, the second insulating sleeve 250 and the auxiliary conductive shielding sleeve 240 both have elasticity, the second insulating sleeve 250 is sleeved outside the auxiliary conductive shielding sleeve 240, and the second insulating sleeve 250 and the auxiliary conductive shielding sleeve 240 can be separated.

The total length of the auxiliary conductive shielding sleeve 240 and the total length of the second insulating sleeve 250 are both greater than the length of the first insulating sleeve 210. The auxiliary conductive shielding 240 covers a portion of the first cable 310 protruding from the first insulating sleeve 210, and the auxiliary conductive shielding 240 covers a portion of the second cable 320 protruding from the first insulating sleeve 210.

In order to fix the position of the connector, it is preferable that the cable assembly further includes two fixing covers 410, as shown in fig. 7 and 8, the two fixing covers 410 being respectively provided at both ends of the auxiliary conductive shielding cover 240, a portion of the fixing cover 410 covering an end of the auxiliary conductive shielding cover 240, another portion of the fixing cover 410 extending to a corresponding one of the first and

second cables

310 and 320, and the second insulating cover 250 covering the fixing cover 410.

In the present invention, the specific structure of the fixing sleeve 410 is not particularly limited. For example, as shown in fig. 7, the securing sleeve 410 may be obtained by winding a plurality of turns around the interface of the auxiliary conductive shielding sleeve and the cable with a constant-force collar and a semi-conductive tape, or as shown in fig. 8, the securing sleeve 410 may be obtained by winding only one turn around the interface of the auxiliary conductive shielding sleeve and the cable.

The appearance of the finally obtained cable assembly at the connector is shown in fig. 13, namely, only the second insulating sleeve can be seen from the appearance, and the cable assembly is simple and beautiful.

A method of obtaining a cable assembly using the connector of fig. 1 and 5 will be described with reference to fig. 4, 6, 7 and 8.

First, as shown in fig. 1 and 5, the connector includes a support core tube 270 formed by spirally winding a plastic strip, the second insulating sleeve 250 is wound up, and the auxiliary conductive shield 240 is also wound up.

Inserting the first cable and the second cable into the support core, respectively, such that the first cable and the second cable are conductively connected within the second conductive shielding tube;

pulling the free end of the plastic strip of the support core tube hard and removing the support core tube to obtain the structure shown in fig. 4 or 6;

stripping off the auxiliary conductive shield 240 and fixing the ends with fasteners 410 to obtain the structure of fig. 7 or 8;

the second insulating sleeve 250 is also stripped down to obtain the cable assembly shown in fig. 9 and 13.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A connector, comprising a first insulating sleeve, a first conductive shielding tube and a second conductive shielding tube, the first insulating sleeve having a resiliency, the first conductive shielding tube disposed within the lumen of the first insulating sleeve, the second conductive shielding tube is arranged in the tube cavity of the first conductive shielding tube, the axial directions of the first insulating sleeve, the first conductive shielding tube and the second conductive shielding tube are the same, the outer surface of the first conductive shielding tube is attached to the inner surface of the first insulating sleeve, the outer surface of the second conductive shielding tube is attached to the inner surface of the first conductive shielding tube, the axial length of the first conductive shielding tube is smaller than that of the first insulating sleeve, and the axial length of the second conductive shielding tube is smaller than that of the first conductive shielding tube.

2. The connector according to claim 1, further comprising at least one support core tube detachably provided within the first insulating sleeve to support at least both end openings of the first insulating sleeve.

3. The connector according to claim 2, wherein the second conductive shielding tube is made of a metal material, and the connector includes two support core tubes provided at both ends of the second conductive shielding tube, respectively.

4. The connector of claim 2, wherein the first conductive shielding tube is made of a semiconductive material having elasticity, the connector includes one of the support core tubes extending from one end of the connector to the other end of the connector, and the support core tube passes through an inner cavity of the first conductive shielding tube.

5. The connector according to any one of claims 2 to 4, wherein the support core tube is formed by spirally winding a plastic strip, and two adjacent turns of the support core tube are fixedly connected by a physical or chemical method; or

The supporting core pipe is formed by cutting a plastic pipe.

6. The connector according to any one of claims 2 to 4, further comprising a second insulating sleeve and an auxiliary conductive shielding sleeve, wherein the auxiliary conductive shielding sleeve is arranged outside the first insulating sleeve, the second insulating sleeve and the auxiliary conductive shielding sleeve both have elasticity, the second insulating sleeve is sleeved outside the auxiliary conductive shielding sleeve, and the second insulating sleeve and the auxiliary conductive shielding sleeve can be separated;

the total length of the auxiliary conductive shielding sleeve and the total length of the second insulating sleeve are both greater than the length of the first insulating sleeve, two ends of the second insulating sleeve are both rolled up, and two ends of the auxiliary conductive shielding sleeve are both rolled up to expose two ports of the first insulating sleeve.

7. The connector of claim 6, further comprising a release layer attached to a surface of the second insulating sleeve facing away from the auxiliary conductive shielding sleeve, wherein a rolled portion of the second insulating sleeve is attached to the release layer.

8. A cable assembly comprising a first cable, a second cable and a connector, wherein the connector is the connector of claim 1;

9. The cable assembly of claim 8, wherein the end surface of the first conductive connecting portion facing the second conductive connecting portion is provided with a first mounting hole, and a first positioning groove is formed on a hole wall of the first mounting hole;

10. The cable assembly of claim 9, wherein the first mounting hole has a gradually decreasing bore diameter in a direction from the first conductive connecting portion to the first cable main body, and the mating portion has a gradually increasing diameter in a direction from the mating portion to the second cable main body.

11. The cable assembly according to claim 9, wherein the first conductive connecting portion includes a first connecting portion and a fixing portion, the fixing portion being formed on an end surface of the first cable main body, one end of the first connecting portion being formed with a second mounting hole, the other end of the first connecting portion being formed with the first mounting hole, the fixing portion being inserted into the second mounting hole so that the first connecting portion is fixedly connected with the fixing portion.

12. The cable assembly of any one of claims 8 to 11, comprising a conductive contact spring disposed within the second conductive shield tube, at least one of the first and second conductive connection portions being sleeved with at least one of the conductive contact springs.

13. The cable assembly of any one of claims 8 to 10, wherein the connector further comprises a second insulating sleeve and an auxiliary conductive shield sleeve, the auxiliary conductive shield sleeve being disposed outside the first insulating sleeve, the second insulating sleeve and the auxiliary conductive shield sleeve each having elasticity, the second insulating sleeve being fitted outside the auxiliary conductive shield sleeve, the second insulating sleeve and the auxiliary conductive shield sleeve being separable;

14. The cable assembly of claim 13, further comprising two securing sleeves disposed at respective ends of said auxiliary conductive shield, a portion of said securing sleeves covering said auxiliary conductive shield and another portion of said securing sleeves extending over a respective one of said first and second cables, said second insulating sleeve covering said securing sleeves.