CN216928964U

CN216928964U - Cable assembly for high-voltage connector and high-voltage connector

Info

Publication number: CN216928964U
Application number: CN202220244757.5U
Authority: CN
Inventors: 马飞松; 陈诚; 姜开轩
Original assignee: Tyco Electronics Shanghai Co Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd
Priority date: 2021-09-06
Filing date: 2022-01-29
Publication date: 2022-07-08
Anticipated expiration: 2032-01-29
Also published as: CN216794015U; KR20230117047A

Abstract

The utility model discloses a cable assembly for a high-voltage connector and the high-voltage connector. A cable assembly, comprising: a single cable; a terminal fixed and electrically connected to a conductor core of the cable; and a cable fixing assembly for fixing the cable to the housing of the connector. The cable fixing component is provided with a single cable hole for the cable to pass through, so that the cable fixing component is sleeved on the cable; the cable assembly is a unitary piece adapted to be single-piece insertable into a cable receptacle on the housing in a single-piece manner. In the utility model, each cable assembly only comprises a single cable, so that the weight of each cable assembly is reduced, and the insertion difficulty of the cable assemblies is reduced.

Description

Cable assembly for high-voltage connector and high-voltage connector

Technical Field

The present invention relates to a cable assembly for a high voltage connector and a high voltage connector including the same.

Background

In the prior art, a high-voltage connector generally includes a housing, a shield connector, a grommet, a cable clamp, an end cap, a plurality of cables, and a plurality of terminals. During assembly, the plurality of terminals need to be soldered to the plurality of cables, respectively. Then, sheathing the shielding connecting piece, the sealing ring, the cable clamp and the end cover on the cable in sequence and assembling into an assembly; finally, the assembly comprising the plurality of cables is inserted integrally into the housing. Because the cable diameter of the high-voltage connector is very big, the subassembly that consequently includes many cables is very heavy, and the cartridge degree of difficulty is great simultaneously, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to addressing at least one of the problems and deficiencies in the prior art.

According to an aspect of the present invention, there is provided a cable assembly for a high voltage connector, comprising: a single cable; a terminal fixed and electrically connected to a conductor core of the cable; and a cable fixing assembly for fixing the cable to the housing of the connector. The cable fixing component is provided with a single cable hole for the cable to pass through, so that the cable fixing component is sleeved on the cable; the cable assembly is a unitary piece adapted to be single-piece insertable into a cable receptacle on the housing in a single-piece manner.

According to an exemplary embodiment of the utility model, the cable fixing assembly comprises: the locking sleeve is sleeved on the cable and is suitable for being locked on the shell; and a cable clamp fitted over the cable and assembled in the locker house, the locker house applying a predetermined clamping force to the cable clamp to clamp and fix the cable by the cable clamp when the cable clamp is assembled in the locker house.

According to another exemplary embodiment of the utility model, the cable clamp comprises a plurality of resilient fingers for clamping onto the cable, the latching sleeve comprises a tapered inner surface for radially compressing the resilient fingers, the plurality of resilient fingers being adapted to clamp the cable under compression of the latching sleeve.

According to another exemplary embodiment of the present invention, the locker house comprises: a cylindrical portion fitted around the cable and having the tapered inner surface formed therein; and a snap portion connected to the cylindrical portion and having formed thereon a latching feature adapted to latch onto the housing.

According to another exemplary embodiment of the utility model, the cable clamp further comprises a main body portion to which the plurality of resilient claws are connected; the buckling part comprises a side wall and a radial wall connected between the side wall and the cylindrical part, the main body part of the cable clamp is accommodated in a space surrounded by the buckling part, and the plurality of elastic claws are inserted into the cylindrical part.

According to another exemplary embodiment of the present invention, the cable assembly for a high voltage connector further comprises: and the shielding connecting piece is sleeved on the cable and is electrically connected with the shielding layer of the cable.

According to another exemplary embodiment of the present invention, the cable assembly for a high voltage connector further comprises: a terminal holding body formed with a terminal insertion groove for inserting the terminal; and the shielding shell is sleeved on the terminal holding body and used for shielding the terminal, and one end of the shielding connecting piece is assembled on the shielding shell and is electrically connected with the shielding shell.

According to another exemplary embodiment of the present invention, the one end of the shield connection member is cylindrical and fitted over the shield shell, and a plurality of elastic cantilevers having contact protrusions for making electrical contact with the shield shell are formed on the one end of the shield connection member.

According to another exemplary embodiment of the present invention, the cable assembly for a high voltage connector further comprises: a sealing ring sleeved on the cable and adapted to be inserted into the cable insertion hole on the housing, wherein when the sealing ring is inserted into the cable insertion hole on the housing, the sealing ring is radially compressed between the housing and the cable to seal a gap therebetween.

According to another exemplary embodiment of the present invention, the cable assembly for a high voltage connector further comprises: the positioning piece is sleeved on the cable and used for being abutted against one end of the sealing ring, and the sealing ring is positioned between the positioning piece and the cable clamp of the cable fixing component.

According to another exemplary embodiment of the present invention, the positioning element is disposed between the shielding connector and the sealing ring, the shielding connector is crimped on the shielding layer of the cable, and one end of the positioning element is pushed against the shielding connector.

According to another aspect of the present invention, there is provided a high voltage connector comprising: the shell is provided with a cable jack and a mating port for mating the mating connector; and the cable assembly is inserted into the cable jack, and the cable assembly is inserted into the cable jack in a single-component mode in a one-time pluggable mode.

According to an exemplary embodiment of the present invention, the housing includes a plurality of cable insertion holes and a plurality of cable assemblies inserted into the plurality of cable insertion holes, respectively.

According to another exemplary embodiment of the utility model, mating latching features adapted to mate with latching features on a latching sleeve of the cable assembly are formed on an outer wall of the housing to latch the latching sleeve to the housing.

According to another exemplary embodiment of the present invention, an inner wall of the cable insertion hole on the housing is in interference fit with the packing of the cable assembly such that the packing is radially compressed between the inner wall of the cable insertion hole and the outer surface of the cable.

According to another exemplary embodiment of the present invention, a maximum outer diameter of the shield connector of the cable assembly is smaller than an inner diameter of a cable receptacle on the housing to allow the shield connector to be inserted into the cable receptacle.

In the foregoing exemplary embodiments according to the present invention, each cable assembly includes only a single cable, so that the weight of each cable assembly is reduced, and the difficulty of inserting the cable assembly is reduced.

Other objects and advantages of the present invention will become apparent from the following description of the utility model which refers to the accompanying drawings, and may assist in a comprehensive understanding of the utility model.

Drawings

FIG. 1 shows a perspective view of a connector according to an example embodiment of the utility model;

FIG. 2 shows an exploded view of the connector shown in FIG. 1;

FIG. 3 shows a perspective view of one of the cable assemblies in the connector of FIG. 2;

FIG. 4 shows an exploded view of the cable assembly of FIG. 3;

fig. 5 shows a schematic view of the cable assembly shown in fig. 3 with the shield shell and the terminal holder removed;

fig. 6 shows an exploded view of the cable assembly of fig. 5, showing the cable clamp.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the utility model with reference to the drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to one general technical concept of the present invention, there is provided a cable assembly for a high voltage connector, including: a single cable; a terminal fixed and electrically connected to a conductor core of the cable; and a cable fixing assembly for fixing the cable to the housing of the connector. The cable fixing component is provided with a single cable hole for the cable to pass through, so that the cable fixing component is sleeved on the cable; the cable assembly is a unitary piece adapted to be single-piece insertable into a cable receptacle on the housing in a single-piece manner.

FIG. 1 shows a perspective view of a connector according to an example embodiment of the utility model; FIG. 2 shows an exploded view of the connector shown in FIG. 1; fig. 3 shows a perspective view of one cable assembly 100 of the connector of fig. 2.

As shown in fig. 1-3, in the illustrated embodiment, the connector may be a high voltage connector. The connector includes: a housing 200 and a plurality of cable assemblies 100. The housing 200 is formed with a plurality of cable insertion holes 201. The plurality of cable assemblies 100 are inserted into the plurality of cable insertion holes 201, respectively.

Fig. 4 shows an exploded view of the cable assembly 100 of fig. 3; fig. 5 shows a schematic view of the cable assembly 100 shown in fig. 3 with the shield shell 170 and the terminal holder 180 removed; fig. 6 shows an exploded view of the cable assembly 100 of fig. 5, showing the cable clamp 190.

As shown in fig. 1-6, in the illustrated embodiment, each cable assembly 100 includes: a single cable 110, a terminal 130, and

cable retention assemblies

120, 190. The terminal 130 is electrically connected with the conductor core 111 of the cable 110, for example, the terminal 130 may be soldered onto an end of the conductor core 111 of the cable 110.

Cable securing assemblies

120, 190 are mounted over cable 110 for securing cable 110 to connector housing 200. In the illustrated embodiment,

cable retention assemblies

120, 190 are provided with a single cable aperture 101 for cable 110 to pass therethrough, thereby enabling

cable retention assemblies

120, 190 to be nested over cable 110.

As shown in fig. 1-6, in the illustrated embodiment, the cable assembly 100 is a single piece adapted to be pluggable into a cable receptacle 201 on the housing 200 in a single piece at a time.

As shown in fig. 1-6, in the illustrated embodiment, the

cable securing assembly

120, 190 includes: a locking sleeve 120 and a cable clamp 190. A locking sleeve 120 is fitted over the cable 110 and adapted to lock onto the housing 200. Cable clamp 190 is fitted over cable 110 and assembled into shackle sleeve 120. When cable clamp 190 is assembled into boot sleeve 120, boot sleeve 120 exerts a predetermined clamping force on cable clamp 190 to clamp and secure cable 110 with cable clamp 190.

As shown in fig. 1-6, in the illustrated embodiment, the cable clamp 190 includes a plurality of resilient fingers 192 for clamping onto the cable 110. The locking sleeve 120 includes a tapered inner surface for radially compressing the resilient fingers 192. A plurality of resilient fingers 192 are adapted to grip cable 110 under compression by boot 120.

As shown in fig. 1-6, in the illustrated embodiment, the boot sleeve 120 includes: cylindrical portion 122 and

locking portions

121 and 123. The cylindrical portion 122 of the lock sleeve 120 is fitted around the cable 110, and the tapered inner surface is formed inside the cylindrical portion 122 of the lock sleeve 120. The latching

portions

121, 123 are connected to the cylindrical portion 122, and latching features 121a adapted to latch onto the housing 200 are formed on the latching

portions

121, 123.

As shown in fig. 1-6, in the illustrated embodiment, the cable clamp 190 further includes a plate-shaped main body portion 191. A plurality of elastic claws 192 are connected to the body portion 191. A plurality of resilient fingers 192 are evenly spaced around the circumference of cable 110. The clasping

portions

121, 123 of the cable clamp 190 include a sidewall 121 and a radial wall 123 connected between the sidewall 121 and the cylindrical portion 122. In the illustrated embodiment, the body portion 191 of the cable clamp 190 is accommodated in the space surrounded by the snap-in

portions

121 and 123, and the plurality of elastic claws 192 are inserted into the cylindrical portion 122. The latching features 121a are formed on the sidewalls 121 of the latching

portions

121, 123.

As shown in fig. 1-6, in the illustrated embodiment, the cable assembly further includes a shield connector 140, where the shield connector 140 is disposed over the cable 110 and electrically connected to the shield of the cable 110.

As shown in fig. 1 to 6, in the illustrated embodiment, the cable assembly further includes a terminal holder 180 and a shield shell 170. Terminal insertion grooves 181 for inserting the terminals 130 are formed in the terminal holding body 180. The shield case 170 is fitted over the terminal holding body 180 to shield the terminal 130. One end of the shield connector 140 is assembled on the shield case 170 and electrically connected to the shield case 170.

As shown in fig. 1 to 6, in the illustrated embodiment, one end of the shield connector 140 is cylindrical and is fitted over the shield case 170, and a plurality of elastic cantilevers 143 are formed at one end of the shield connector 140. The elastic cantilever 143 has a contact protrusion for making electrical contact with the outer wall of the shield case 170, and the contact protrusion may be a circular protrusion.

As shown in fig. 1-6, in the illustrated embodiment, the cable assembly further includes a sealing ring 160 that fits over the cable 110 and is adapted to be inserted into a cable receptacle 201 on the housing 200. When the sealing ring 160 is inserted into the cable insertion hole 201 on the housing 200, the sealing ring 160 is radially compressed between the housing 200 and the cable 110 to seal a gap therebetween.

As shown in fig. 1-6, in the illustrated embodiment, the cable assembly further includes a positioning member 150, the positioning member 150 being sleeved on the cable 110 for abutting against an end of the sealing ring 160. The ends of the sealing ring 160 abut against the positioning member 150 and the cable clamps 190 of the

cable fixing assemblies

110, 120, respectively, such that the sealing ring 160 is positioned between the positioning member 150 and the cable clamps 190 of the

cable fixing assemblies

110, 120.

As shown in fig. 1-6, in the illustrated embodiment, the spacer 150 is disposed between the shield connection 140 and the seal ring 160. The shielding connector 140 may be pressed against the shielding layer of the cable 110, and one end of the positioning member 150 may push against the shielding connector 140.

As shown in fig. 1-6, in the illustrated embodiment, a mating latching feature 221 adapted to mate with the latching feature 121a on the latching sleeve 120 of the cable assembly 100 is formed on an outer wall of the housing 200 to latch the latching sleeve 120 to the housing 200. In the illustrated embodiment, the latching features 121a are slots and the mating latching features 221 are protrusions. However, the utility model is not limited to the illustrated embodiment, for example, the latching feature 121a may be a protrusion and the mating latching feature 221 may be a slot.

As shown in fig. 1-6, in the illustrated embodiment, the inner wall of the cable receptacle 201 on the housing 200 is interference fit with the sealing ring 160 of the cable assembly 100 such that the sealing ring 160 is radially compressed between the inner wall of the cable receptacle 201 and the outer surface of the cable 110.

As shown in fig. 1-6, in the illustrated embodiment, the maximum outer diameter of shield connector 140 of cable assembly 100 is less than the inner diameter of cable receptacle 201 on housing 200 to allow shield connector 140 to be inserted into cable receptacle 201.

As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, there is also disclosed a connector including: a housing 200 and a cable assembly 100. The housing 200 is formed with a cable insertion hole 201 and a mating port 202 that mates with a mating connector. The cable assembly 100 is inserted into the cable insertion hole 201.

It will be appreciated by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without structural or conceptual conflicts, and that such modifications are intended to fall within the scope of the present invention.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the utility model.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the utility model.

Claims

1. A cable assembly for a high voltage connector, comprising:

a single cable;

a terminal fixed and electrically connected to a conductor core (111) of the cable; and

a cable fixing assembly for fixing the cable to a housing of a connector,

the cable fixing component is provided with a single cable hole for the cable to pass through, so that the cable fixing component is sleeved on the cable,

the cable assembly is a unitary piece adapted to be single-piece insertable into a cable receptacle on the housing in a single-piece manner.

2. The cable assembly for a high voltage connector of claim 1, wherein:

the cable fixing assembly includes:

the locking sleeve is sleeved on the cable and is suitable for being locked on the shell; and

a cable clamp fitted over the cable and assembled in the locker,

the locking sleeve exerts a predetermined clamping force on the cable clamp when the cable clamp is assembled into the locking sleeve to clamp and secure the cable by the cable clamp.

3. The cable assembly for a high voltage connector of claim 2, wherein:

the cable clamp includes a plurality of resilient fingers for clamping onto the cable, the latching sleeve includes a tapered inner surface for radially compressing the resilient fingers, and the plurality of resilient fingers are adapted to clamp the cable under compression by the latching sleeve.

4. The cable assembly for a high voltage connector of claim 3, wherein:

the lock catch sleeve comprises:

a cylindrical portion fitted around the cable and having the tapered inner surface formed therein; and

a snap portion connected to the barrel portion and having formed thereon a snap feature adapted to snap onto the housing.

5. The cable assembly for a high voltage connector of claim 4, wherein:

the cable clamp further includes a main body portion to which the plurality of resilient fingers are connected;

the buckling part comprises a side wall and a radial wall connected between the side wall and the cylindrical part,

the main body portion of the cable clamp is accommodated in a space surrounded by the catching portion, and the plurality of elastic claws are inserted into the cylindrical portion.

6. The cable assembly for a high voltage connector according to any one of claims 1-5, further comprising:

and the shielding connecting piece is sleeved on the cable and is electrically connected with the shielding layer of the cable.

7. The cable assembly for a high voltage connector of claim 6, further comprising:

a terminal holding body formed with a terminal insertion groove for inserting the terminal; and

a shield case fitted over the terminal holder for shielding the terminal,

one end of the shielding connecting piece is assembled on the shielding shell and is electrically connected with the shielding shell.

8. The cable assembly for a high voltage connector of claim 7, wherein:

one end of the shielding connecting piece is cylindrical and sleeved on the shielding shell, a plurality of elastic cantilevers are formed at one end of the shielding connecting piece, and the elastic cantilevers are provided with contact bulges used for being in electrical contact with the shielding shell.

9. The cable assembly for a high voltage connector of claim 6, further comprising:

a seal ring sleeved on the cable and suitable for being inserted into the cable jack on the shell,

when the grommet is inserted into a cable insertion hole on the housing, the grommet is radially compressed between the housing and the cable to seal a gap therebetween.

10. The cable assembly for a high voltage connector of claim 9, further comprising:

a positioning piece sleeved on the cable and used for abutting against one end of the sealing ring,

the seal ring is positioned between the locating piece and a cable clamp of the cable fixing assembly.

11. The cable assembly for a high voltage connector of claim 10, wherein:

the locating piece is arranged between the shielding connecting piece and the sealing ring, the shielding connecting piece is pressed on the shielding layer of the cable, and one end of the locating piece pushes the shielding connecting piece.

12. A high voltage connector, comprising:

the shell is provided with a cable jack and a mating port for mating the mating connector; and

a cable assembly inserted into the cable insertion hole,

the cable assembly of any one of claims 1-11, which is single-piece, single-use, pluggable and insertable into the cable receptacle.

13. The high voltage connector of claim 12, wherein:

the shell comprises a plurality of cable jacks and a plurality of cable assemblies, and the cable assemblies are respectively inserted into the cable jacks.

14. The high voltage connector of claim 12, wherein:

mating latching features (221) adapted to mate with latching features on a latching sleeve of the cable assembly are formed on an outer wall of the housing to latch the latching sleeve to the housing.

15. The high voltage connector of claim 12, wherein:

the inner wall of the cable jack on the shell is in interference fit with the sealing ring of the cable assembly, so that the sealing ring is radially squeezed between the inner wall of the cable jack and the outer surface of the cable.

16. The high voltage connector of claim 12, wherein:

the maximum outer diameter of the shield connector of the cable assembly is smaller than the inner diameter of the cable receptacle on the housing to allow the shield connector to be inserted into the cable receptacle.