CN221057701U - Copper-aluminum conductor connector - Google Patents

Abstract

The utility model provides a copper-aluminum conductor connector, and belongs to the field of connectors. The copper-aluminum conductor connector comprises an insulator for wrapping copper and aluminum conductor electric connection joints and a shielding shell which is arranged outside the insulator and is used for being conducted with shielding layers of the aluminum conductor and the copper conductor, wherein sealing structures used for being filled between the shielding shell and the insulating layers of the aluminum conductor and between the shielding shell and the insulating layers of the copper conductor are respectively arranged at two ends of the shielding shell, and the shielding shell forms a protective shell at the outermost side of the copper-aluminum conductor connector. According to the copper-aluminum conductor connector, the shielding shell is used as the protective shell of the copper-aluminum conductor connector, so that the shielding shell can play a role in electric shielding, meanwhile, can play a role in protection and sealing, and compared with a plastic shell, the strength is higher, and the plastic shell does not need to be arranged outside the shielding shell, so that the overall cost of the copper-aluminum conductor connector is reduced.

Description

Copper-aluminum conductor connector

Technical Field

The utility model belongs to the field of connectors, and particularly relates to a copper-aluminum conductor connector.

Background

The material of the high-voltage wire harness for realizing the electric transmission among the electric accessories of the electric automobile is mainly copper, but the copper conductor is weaker than the aluminum conductor in the aspects of cost and light weight, so that the aluminum conductor is adopted to replace the copper conductor to realize the cost reduction and weight reduction of the whole automobile has become a necessary trend. However, the conductivity of aluminum is lower than that of copper, so that the same current carrying capacity is required, the sectional area is required to be enlarged, the wiring of the whole automobile is increased, the mounting difficulty is increased, the corresponding electric interface is required to be specially customized and developed, and the input cost is high. In addition, the mechanical properties of aluminum such as tensile strength and hardness are weaker than those of copper, and the aluminum cannot be used on a driving motor line with severe vibration. Therefore, copper wires are often used for wire harnesses arranged at high vibration positions, aluminum bars are used for the rest positions to achieve cost reduction and weight reduction, and joints between the copper wires and the aluminum bars need shielding and waterproof treatment.

For example, chinese patent application publication No. CN218586364U and publication No. 2023, 3 and 7 discloses a copper wire and aluminum rod shielding adapter, which comprises an upper insulating plastic shell and a lower insulating plastic shell for wrapping a copper-aluminum welding joint, an upper shielding shell and a lower shielding shell which are covered outside the upper insulating plastic shell and the lower insulating plastic shell and are in conduction with a shielding layer of a copper wire and an aluminum rod shielding layer, a plastic shell which is cylindrical and is used for being sleeved outside the above structure, and sealing elements and plastic tail clips for waterproof and sealing are arranged at two ends of the plastic shell.

According to the technical scheme, the welding joint of the copper-aluminum conductor can be rapidly and conveniently treated, and effective insulation, shielding and sealing of the welding joint of the copper-aluminum conductor are realized. But in the above-mentioned technical scheme, adopt two sets of parts, adopt shielding shell to realize shielding promptly, adopt plastic housing to realize outside protection and sealing in addition, the structure is more complicated, leads to manufacturing cost high, and the mounting process is loaded down with trivial details to plastic housing has the weak point that intensity is not enough, and easy damage leads to sealed inefficacy when the emergence is knocked with.

Disclosure of utility model

The utility model aims to provide a copper-aluminum conductor connector, which solves the technical problems of higher shielding and protection cost and insufficient strength of a plastic shell respectively realized by adopting two sets of parts in the prior art.

In order to achieve the above purpose, the technical scheme of the copper-aluminum conductor connector provided by the utility model is as follows:

The utility model provides a copper aluminium conductor connector, includes the insulator that is used for wrapping copper, aluminium conductor electric connection joint and sets up outside the insulator and be used for with aluminium conductor and copper conductor's shielding layer switch-on shielding shell, shielding shell's both ends are provided with respectively and are used for filling between shielding shell and aluminium conductor's insulating layer and fill seal structure between shielding shell and copper conductor's insulating layer, shielding shell constitutes copper aluminium conductor connector outside's protecting crust.

The beneficial effects are that: the technical scheme is a further improvement on the prior art. Among the above-mentioned technical scheme, the joint of copper conductor and aluminium conductor can be shielded effectively to the shielding shell, regard as the shielding shell of this copper aluminium conductor connector with the shielding shell, no longer need set up the plastic casing, can reduce manufacturing cost effectively, and simultaneously, the intensity of shielding shell is higher than the plastic casing. And the shielding shell also has good heat dissipation capability, and can effectively avoid overheating at the joint of the copper conductor and the aluminum conductor.

As a further improvement, the shielding shell is conducted with the shielding layers of the aluminum conductor and the copper conductor through the conducting piece, the conducting piece is of a sheet structure, at least one shielding spring claw is arranged on two sides of the conducting piece, and the shielding spring claws on two sides of the conducting piece are respectively used for being abutted to and conducted with the shielding layers of the shielding shell and the aluminum conductor/the copper conductor.

The beneficial effects are that: in the assembly process, the shielding elastic claw is easy to deform, so that the installation of the conducting piece is convenient. According to the technical scheme, the conducting piece can be formed by stamping a whole metal sheet, so that the production and the manufacturing are facilitated.

As a further development, the conductor comprises a base ring for sheathing the outside of the shielding layer of the aluminum conductor/copper conductor, the shielding spring fingers being connected to the base ring.

The beneficial effects are that: the base body ring can provide larger space for the arrangement of the shielding elastic claw, so that effective shielding is realized, and the installation of the conducting piece is facilitated. And the conducting piece with the annular structure can fully fill the shielding blind area of the shell, so that better shielding is realized.

As a further improvement, at least one end portion of the insulator is provided with a mounting structure for fixing the conductive member.

The beneficial effects are that: the technical scheme can facilitate the installation of the conducting strip and ensure the stability of the conducting strip.

As a further improvement, the mounting structure comprises a limiting body arranged at the end part of the insulator, the limiting body is provided with a clamping groove with an opening facing the center of the insulator, and the conducting piece is also provided with a mounting spring claw which is used for being clamped into the clamping groove and is in stop fit with the inner side wall of the clamping groove so as to prevent the conducting piece from being separated from the insulator.

The beneficial effects are that: according to the technical scheme, after the conducting piece is attached to the end part of the insulator, the installation elastic claw can be elastically inserted into the clamping groove and form stop fit with the inner side wall of the clamping groove, so that the conducting piece is kept stable. The technical scheme has simple structure, fully utilizes the structural characteristics of the conducting piece and is convenient for assembly.

As a further improvement, the shielding shell is an integrated shell which is used for being sleeved outside the aluminum conductor/copper conductor in advance before the copper conductor and the aluminum conductor are electrically connected.

The beneficial effects are that: the integrated shell has better sealing performance and protective performance, and shielding can be better realized.

As a further improvement, a positioning structure for positioning the shielding shell in the assembly process of the shielding shell is further arranged between the insulator and the shielding shell, the positioning structure comprises a positioning protrusion arranged on one of the insulator and the shielding shell, a step structure which is used for being blocked and matched with one side of the positioning protrusion on the other one, a positioning buckle arranged on one of the shielding shell and the insulator, and a clamping structure which is used for being clamped and matched with the positioning buckle and is arranged on the other one; the positioning bulge/step structure and the positioning buckle/clamping structure are arranged at intervals in the length direction of the shielding shell.

The beneficial effects are that: before assembly, the shielding shell is sleeved on the copper conductor or the aluminum conductor in advance, and when the shell is assembled, the shell is only required to be pushed along the length direction of the shell, so that the shell can be assembled in place by abutting the step structure on the shell with the positioning protrusion, and an operator can conveniently assemble the shell. Through the cooperation of location buckle and joint structure, can make the shell can keep stable after the assembly is put in place.

As a further improvement, the stop mating surface between the locating boss and the step structure is an inclined surface.

The beneficial effects are that: the inclined plane structure can play a role in guiding, so that the assembly of the shell is facilitated, the shape change of the step structure on the shell is gentle, and the forming of the shell is facilitated.

As a further improvement, the positioning buckle is an elastic sheet formed on the insulator, the clamping structure is a convex rib arranged on the inner wall of the shielding shell, and the side wall of the convex rib is a stop wall used for forming stop fit with the end part of the elastic sheet.

The beneficial effects are that: in the process of assembling the shell, the inner wall of the shell can extrude the elastic sheet to deform the elastic sheet, the elastic sheet can continue to deform when passing through the convex edge, and the elastic sheet can spring up to form stop fit with the side wall of the convex edge after passing through the convex edge. The technical scheme has simple structure, convenient manufacture and convenient operation.

As a further improvement, a plurality of supporting ribs are formed on the inner side wall of the shielding shell along the circumferential direction, the supporting ribs extend along the length direction of the shell, one side, away from the shell, of the supporting ribs is used for being abutted against the outer wall of the insulator, the convex rib is arranged between two adjacent supporting ribs, and the positioning protrusion or the step structure is arranged on the supporting ribs.

The beneficial effects are that: the support protruding rib can enable a stable gap between the shell and the insulator, and meanwhile, the contact area of the support protruding rib and the insulator is small, so that the shell can be conveniently assembled.

Drawings

FIG. 1 is a schematic diagram of a copper conductor and aluminum conductor solder joint of embodiment 1 of a copper-aluminum conductor connector according to the present utility model;

FIG. 2 is a schematic view showing the mounting structure of an insulator in accordance with embodiment 1 of the present utility model;

Fig. 3 is a schematic view showing a structure of a copper-aluminum conductor connector according to embodiment 1 of the present utility model with a shield shell removed;

FIG. 4 is a cross-sectional view of embodiment 1 of the copper aluminum conductor connector of the present utility model;

Fig. 5 is a schematic diagram showing the overall structure of a copper-aluminum conductor connector according to embodiment 1 of the present utility model.

Reference numerals illustrate:

1. An upper insulating split body; 2. a lower insulating split; 3. a positioning groove; 4. positioning the bulge; 5. a shielding housing; 6. a first wire sealing body; 7. a second wire sealing body; 8. a first end cap; 9. a second end cap; 10. a first conductive member; 11. a second conductive member; 12. shielding spring claws; 13. a limiting body; 14. a clamping groove; 15. an Zhuangdan claws; 16. a baffle; 17. limiting convex ribs; 18. supporting the convex ribs; 19. positioning the bulge; 20. a step structure; 21. a spring plate; 22. a rib; 23. a copper conductor; 24. an aluminum conductor; 25. a shielding press ring; 26. copper sheet.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

The present utility model is described in further detail below with reference to examples.

Specific embodiment 1 of the copper-aluminum conductor connector provided by the utility model:

This copper aluminium conductor connector is through establishing the shield shell as the protective housing of this copper aluminium conductor connector to when guaranteeing that the shield shell plays the effect of electric shield, can also play protection and sealed effect, compare in plastic housing intensity is higher, and need not set up plastic housing in the shield shell outside, reduced the overall cost of this copper aluminium conductor connector.

Referring to fig. 1, in this embodiment, a copper conductor 23 is a conductor core of a copper wire, an aluminum conductor 24 is a conductor core of an aluminum row, an insulating layer and a shielding layer are sequentially disposed on the outer sides of the copper conductor 23 and the aluminum conductor 24, and a shielding pressing ring 25 for tightening the shielding layer is further disposed on the end portion of the shielding layer of the copper conductor 23. In the connection, the copper sheet 26 for transition is welded at the connection part of the aluminum conductor 24 and the copper conductor 23, and then the copper wire is welded on the copper sheet 26 to form a welded joint. Compared with the bolt-connected joint, the welding joint can realize the electric connection of the copper conductor 23 and the aluminum conductor 24, simultaneously can reduce the size of the joint, and avoids electrochemical corrosion caused by direct contact of the copper conductor 23 and the aluminum conductor 24.

The copper aluminum conductor connector includes an insulator and a shield shell 5.

Referring to fig. 2, the insulator comprises a lower insulating split body 2 and an upper insulating split body 1 which can be connected together through a buckle, grooves are formed in the lower insulating split body 2 and the upper insulating split body 1, and after the lower insulating split body 2 is connected with the upper insulating split body 1, a containing cavity for containing a copper conductor 23 and an aluminum conductor 24 is formed. The end shaping of aluminium conductor 24 has positioning groove 3, and the shaping has the protruding 4 of location that is used for with positioning groove 3 joint complex on the lower insulating components of a whole that can function independently 2 with last insulating components of a whole that can function independently 1 assembly welded joint department after, the protruding 4 of location can play spacing effect to the insulator with positioning groove 3's cooperation, guarantees the relative stability of insulator and welded joint.

Referring to fig. 4 and 5, the shielding shell 5 is a cylindrical metal shell integrated with the shielding shell 5, the shielding shell 5 is sleeved on an aluminum row in advance before assembly, and after the insulator is installed, the shielding shell 5 is pushed to enable the shielding shell 5 to be sleeved outside the insulator.

Both ends of the shielding shell 5 are provided with sealing structures, wherein the sealing structures comprise wire sealing bodies and end covers, the first wire sealing bodies 6 and the first end covers 8 are positioned at the copper conductors 23, and the second wire sealing bodies 7 and the second end covers 9 are positioned at the aluminum conductors 24.

Referring to fig. 3 and 4, the wire sealing body is made of rubber and is of an annular structure, a plurality of annular sealing ribs are formed on the inner side and the outer side of the wire sealing body, the inner side sealing ribs are in interference fit with copper wires or aluminum bars, and the outer side sealing ribs are in interference fit with the inner wall of the shielding shell 5, so that good sealing is guaranteed.

The end caps have through holes for copper wires or aluminum bars to pass through, and the end caps are connected with the corresponding ends of the shield case 5 by means of snaps to protect the wire body.

Referring to fig. 3 and 4, the insulator is provided with a via at both ends, wherein a first via 10 is located at the copper conductor 23 and a second via 11 is located at the aluminum conductor 24.

The conducting piece comprises a matrix ring, shielding elastic claws 12 connected with the matrix ring are arranged at the inner side and the outer side of the conducting piece at intervals, and the conducting piece is formed by stamping a metal sheet. The shielding spring claw 12 on the inner side of the first conducting member 10 is used for contacting and conducting with the shielding pressing ring 25 of the copper wire, the shielding spring claw 12 on the inner side of the second conducting member 11 is used for contacting and conducting with the shielding layer of the aluminum row, and the shielding spring claw 12 on the outer sides of the first conducting member 10 and the second conducting member 11 are both used for contacting and conducting with the inner wall of the shielding shell 5.

The conducting piece not only can realize the conduction between the shielding layer of the copper wire or the aluminum row and the shielding shell 5, but also can play a role in shielding, and fills the shielding blind area of the shielding shell 5.

The first conducting piece 10 is tightly attached to the end part of the insulator, limit bodies 13 with columnar structures are formed at four corners of the insulator, clamping grooves 14 facing the center of the insulator are formed on the limit bodies 13, and mounting elastic claws 15 which are used for being clamped into the clamping grooves 14 and form stop fit with the inner side walls of the clamping grooves 14 to prevent the conducting piece from being separated from the insulator are arranged on the outer sides of the conducting piece. One side of the first conductive member 10 away from the insulator abuts against the shield pressing ring 25. Before the first conductive member 10 is mounted, the first conductive member 10 is first sleeved on the copper wire and abutted against the end of the shielding pressing ring 25, then an insulator is mounted, and the mounting claws 15 are clamped into the clamping grooves 14.

In order to ensure a sufficient safety distance, the first wire sealing body 6 is mounted at the end of the shielding collar 25 remote from the insulator. However, since the material of the first wire sealing body 6 is softer and is easily scratched by the shielding pressing ring 25, the baffle 16 is disposed between the first wire sealing body 6 and the shielding pressing ring 25, and the baffle 16 has an axial limiting function on the first wire sealing body 6 in addition to the function of protecting the first wire sealing body 6, and the first end cover 8 is located at one side of the first wire sealing body 6 away from the baffle 16 and also has an axial limiting function on the first wire sealing body 6.

The second wire sealing body 7 is abutted to the corresponding end part of the insulator, the second conducting piece 11 is abutted to one side, far away from the insulator, of the second wire sealing body 7, the insulator has an axial positioning function on the second wire sealing body 7, and the second wire sealing body 7 also has an axial positioning function on the second conducting piece 11. The second end cover 9 is located one side of the second conduction piece 11 far away from the second wire sealing body 7, and a limiting convex rib 17 is formed on the inner wall of the second end cover 9, and after the second end cover 9 is installed, the limiting convex rib 17 is abutted with the second conduction piece 11 so as to axially position the second conduction piece 11.

In order to be convenient for keep the clearance between shielding shell 5 and the insulator, the shaping has the support protruding muscle 18 that extends along its length direction on the inner wall of shielding shell 5, and one side that supports protruding muscle 18 kept away from shielding shell 5 is used for with the outer wall butt of insulator, and the area of contact of support protruding muscle 18 and insulator is less, is convenient for produce relative slip with the insulator to the installation of convenient shielding shell 5.

A positioning structure for positioning the shield shell 5 is also provided between the insulator and the shield shell 5.

The location structure is including setting up the location protruding 4 on insulating components of a whole that can function independently 1 keep away from lower insulating components of a whole that can function independently 2, and the location protruding 4 is located the one end that insulating components of a whole that can function independently 1 is close to first end cover 8 on, and the shaping of one side that shielding shell 5 corresponds with insulating components of a whole that can function independently 1 on has step structure 20, and step structure 20 includes the shielding shell 5 wall of step and is located the step of this department and support protruding muscle 18. The step structure 20 can form a stop fit with the positioning protrusion 4, and a side surface of the positioning protrusion 4 for being matched with the step structure 20 is an inclined surface, so that the insulator and the shielding shell 5 can be conveniently formed and assembled.

The positioning structure further comprises a positioning buckle arranged on the insulator and a clamping structure arranged on the shielding shell 5 and used for being matched with the positioning buckle. The insulator is provided with a containing groove, the containing groove is positioned on one side, far away from the first end cover 8, of the positioning protrusion 4, the positioning buckle is an elastic sheet 21 formed on the bottom wall of the containing groove, and one end, far away from the bottom wall of the containing groove, of the positioning buckle is obliquely extended out of the containing groove. The clamping structure is a convex rib 22 formed on the inner wall of the shielding shell 5, the cross section of the convex rib 22 is a right triangle, the inclined surface of the convex rib faces the step structure 20, and a side wall of the convex rib 22 away from the step structure 20 is a stop wall for forming stop fit with the end part of the elastic sheet 21.

After the shielding shell 5 is assembled in place, the step structure 20 on the shielding shell 5 will abut against the positioning protrusion 4 on the insulator, and the positioning buckle will cross the clamping structure and be clamped with the clamping structure, so that the shielding shell 5 and the insulator form a fixed connection.

Specific embodiment 2 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another structure of the conductive member, which is different from embodiment 1 in that the conductive member in this embodiment includes a plastic body having elasticity and a metal conductive layer plated outside the plastic body, and is capable of being elastically deformed at the time of assembly, thereby bringing the outside thereof into close contact with and conductive to the shield case, bringing the inside thereof into close contact with and conductive to the shield layer of the copper conductor or the aluminum conductor, and further enhancing the sealing performance of the copper-aluminum conductor connector.

Specific embodiment 3 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another structure of the conducting member, which is different from embodiment 1 in that the conducting member in this embodiment is a long strip structure, two ends of the conducting member are bent to form two elastic claws, the conducting member is fixedly mounted at the end of the insulator by a bolt, and the two elastic claws of the conducting member are respectively used for contacting and conducting with the shielding shell and contacting and conducting with the shielding layer of the copper conductor or the aluminum conductor.

Specific embodiment 4 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another mounting structure of the conducting member, which is different from embodiment 1 in that in this embodiment, the insulator is not provided with a limiting body, but a connecting column is formed at an end portion of the insulator, and a connecting hole is formed in the conducting member, and the connecting column is forcibly installed in the connecting hole during mounting, so as to realize connection of the conducting member.

In this embodiment, the first conducting member and the second conducting member are both installed with the insulator by using the above-mentioned installation structure, and the second wire sealing body is located at a side of the second conducting member away from the insulator.

In other embodiments, the first conductive member may be mounted according to the mounting structure described above, and the second conductive member may be mounted in the same manner as in embodiment 1.

Specific embodiment 5 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another mounting structure of the via member, which is different from embodiment 1 in that the via member is directly mounted in the shield case.

Specific example 6 of the copper aluminum conductor connector provided by the utility model:

The present embodiment provides another mounting structure of the shielding shell, which is different from embodiment 1 in that a positioning structure for positioning the shielding shell is not provided between the insulator and the shielding shell in this embodiment, and after the first end cover and the second end cover are mounted, the shielding shell and the insulator can be ensured not to be separated from each other by using the first end cover and the second end cover.

Specific embodiment 7 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another structure of the positioning structure, which is different from embodiment 1 in that positioning pits are formed on the inner wall of the shielding shell in the present embodiment, and positioning protruding points matched with the positioning pits in a clamping manner are formed on the outer wall of the insulator. In the process of installing the shielding shell, the positioning convex points can generate compression deformation under the extrusion of the inner wall of the shielding shell, and after the shielding shell is installed, the positioning convex points can reach the positioning concave pits and restore to the original state, so that the shielding shell and the insulator are mutually connected in a positioning mode.

Specific embodiment 8 of the copper-aluminum conductor connector provided by the utility model:

the present embodiment provides another structure of the positioning structure, which is different from embodiment 1 in that no inclined surface is provided on the positioning protrusion in the present embodiment, and the cross-sectional shape of the positioning protrusion is rectangular.

Specific embodiment 9 of the copper-aluminum conductor connector provided by the utility model:

the difference between the positioning buckle and the embodiment 1 is that in this embodiment, the positioning buckle is an inclined elastic steel sheet welded on the inner wall of the shielding shell, the clamping structure is a clamping edge formed on the insulator, and after the shielding shell is assembled in place, the end part of the elastic steel sheet passes over the clamping edge and is clamped with the clamping edge.

The embodiment 10 of the copper-aluminum conductor connector provided by the utility model comprises:

The present embodiment provides another structure of the locking structure, which is different from embodiment 1 in that the locking structure is a matching groove formed on the shielding shell, and the positioning buckle will be locked into the groove after the shielding shell is assembled.

Specific embodiment 11 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another structure of the shield case, which is different from embodiment 1 in that the inner wall of the shield case is not provided with the supporting ribs, and the inner wall of the shield case is directly contacted with the insulator.

Specific embodiment 12 of the copper-aluminum conductor connector provided by the utility model:

The present embodiment provides another structure of the shielding shell, which is different from embodiment 1 in that the shielding shell in this embodiment is a split structure, and includes two shells that can be fastened to each other, the two shells are connected by a bolt, and a sealant is disposed between the two shells.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a copper aluminium conductor connector, including the insulator that is used for wrapping copper, aluminium conductor electric connection joint and set up at the insulator outside and be used for with aluminium conductor and copper conductor's shielding layer switch-on shielding shell, its characterized in that, shielding shell's both ends are provided with respectively and are used for filling between shielding shell and aluminium conductor's insulating layer and fill the seal structure between shielding shell and copper conductor's insulating layer, shielding shell constitutes copper aluminium conductor connector's the protective housing that is outermost.

2. The copper-aluminum conductor connector according to claim 1, wherein the shielding shell is conducted with the shielding layers of the aluminum conductor and the copper conductor through a conducting piece, the conducting piece is of a sheet-shaped structure, at least one shielding spring claw is arranged on two sides of the conducting piece, and the shielding spring claws on two sides of the conducting piece are respectively used for being abutted against and conducted with the shielding layers of the shielding shell and the aluminum conductor/copper conductor.

3. The copper aluminum conductor connector of claim 2 wherein the conductive member includes a base ring for surrounding the aluminum conductor/copper conductor shield, the shield fingers being connected to the base ring.

4. A copper aluminum conductor connector as recited in claim 2 or 3, wherein at least one end portion of the insulator is provided with a mounting structure for fixing the conductive member.

5. The copper aluminum conductor connector as recited in claim 4, wherein the mounting structure comprises a limiting body arranged at the end of the insulator, a clamping groove with an opening facing the center of the insulator is formed in the limiting body, and a mounting spring claw which is used for being clamped into the clamping groove and forms a blocking fit with the inner side wall of the clamping groove so as to prevent the conducting piece from being separated from the insulator is further arranged on the conducting piece.

6. A copper aluminum conductor connector as recited in any of claims 1 to 3, wherein the shield shell is an integral housing for being sleeved on the exterior of the aluminum conductor/copper conductor prior to electrical connection of the copper and aluminum conductors.

7. The copper aluminum conductor connector as recited in claim 6, wherein a positioning structure for positioning the shield shell during assembly of the shield shell is further provided between the insulator and the shield shell, the positioning structure including a positioning projection provided on one of the insulator and the shield shell, and a step structure provided on the other for a stop fit with one side of the positioning projection, the positioning structure further including a positioning buckle provided on one of the shield shell and the insulator, and a snap-fit structure provided on the other for a snap-fit with the positioning buckle; the positioning bulge/step structure and the positioning buckle/clamping structure are arranged at intervals in the length direction of the shielding shell.

8. The copper aluminum conductor connector of claim 7 wherein the stop mating surface between the locating boss and the step structure is a beveled surface.

9. The copper aluminum conductor connector of claim 7 wherein the positioning buckle is a spring formed on the insulator, the clamping structure is a rib provided on an inner wall of the shielding shell, and a side wall of the rib is a stop wall for forming a stop fit with an end of the spring.

10. The copper aluminum conductor connector of claim 9 wherein a plurality of support ribs are formed circumferentially on the inner side wall of the shield shell, the support ribs extend in the length direction of the shell, one side of the support ribs remote from the shell is used for abutting against the outer wall of the insulator, the rib is disposed between two adjacent support ribs, and the positioning protrusion or step structure is disposed on the support ribs.