Electrical connection and termination assemblies

Patent metadata

Field	Value
Publication number	US-10340611-B2
Application number	US-201414201109-A
Country	US
Kind code	B2
Filing date	Mar 7, 2014
Priority date	Mar 14, 2013
Publication date	Jul 2, 2019
Grant date	Jul 2, 2019

Abstract

An electrical cable termination assembly includes a crimp body configured for electrically connecting a conductive core of an electrical cable to a conductive pin. The crimp body is further configured to receive the conductive core at a first end thereof and the conductive pin at a second end thereof. The assembly further includes a locking sleeve that is located radially outwardly of the crimp body and is movable relative to the crimp body between a locking position and an unlocking position.

First claim

The invention claimed is:

1. An electrical cable termination assembly, comprising:
a crimp body configured for electrically connecting a conductive core of an electrical cable to a conductive pin, wherein the crimp body is further configured to receive the conductive core at a first end of the crimp body and the conductive pin at a second end of the crimp body;
a locking sleeve that is located radially outwardly of the crimp body, wherein the locking sleeve is movable relative to the crimp body between a locking position and an unlocking position, and wherein the locking sleeve is configured such that rotation of the locking sleeve moves the locking sleeve between the locking position and the unlocking position;
a locking member, wherein the locking member is movable relative to the crimp body so as to be able to lock the pin in the crimp body when the locking sleeve is moved from the unlocking position to the locking position, and wherein the locking member is at least partially disposed in an aperture in the crimp body when the locking sleeve is in the locking position;
a protrusion on the crimp body spaced axially from the second end; and
a compensation insert at the second end of the crimp body, the compensation insert having a conical internal shape and a cylindrical outer shape such that the compensation insert at least partially extends over the locking sleeve when the locking sleeve is in the unlocking position,
wherein the locking sleeve is threadedly engaged with the crimp body such that rotation of the locking sleeve causes the locking sleeve to move axially between the unlocking position and the locking position away from the second end until the locking sleeve abuts the protrusion, and
wherein a distance between the locking sleeve and the second end is greater when the locking sleeve is in the locking position than when the locking sleeve is in the unlocking position.

2. The assembly of claim 1 , wherein the locking sleeve comprises a recess, and wherein the locking member is at least partially located in the recess when the locking sleeve is in the unlocking position.

3. The assembly of claim 2 , wherein the locking sleeve and the locking member are configured such that the locking member is moved out of the recess when the locking sleeve is moved from the unlocking position to the locking position.

4. The assembly of claim 1 , wherein the locking member is moved in a radially inward direction when the locking sleeve is moved from the unlocking position to the locking position.

5. The assembly of claim 1 , wherein the locking member comprises at least one ball.

6. The assembly of claim 1 , wherein:
the assembly is configured to terminate an electrical cable with a conductive core and an axially extending annular insulation portion around the conductive core;
the crimp body is configured to be crimped to the conductive core of the electrical cable; and
the crimp body comprises an axially extending part configured to extend axially forwardly along a length of the conductive core and to be located radially outwardly of the conductive core and radially inwardly of the annular insulation portion.

7. The assembly of claim 1 , wherein the locking sleeve comprises a conductive sleeve;
wherein the conductive sleeve is electrically connected to the crimp body;
wherein the conductive sleeve is located radially outwardly of the crimp body;
wherein the conductive sleeve extends over at least part of the crimp body that receives the conductive core; and
wherein the conductive sleeve extends over at least part of the crimp body that receives the conductive pin.

8. The assembly of claim 7 , wherein the conductive sleeve extends over substantially an entire axial distance between an insulator of the electrical cable and an insulator around the conductive pin.

9. The assembly of claim 1 , wherein the locking sleeve and the protrusion form a continuous external profile.

10. An electrical cable termination comprising:
a cable termination assembly;
an electrical cable with a conductive core; and
a conductive pin,
wherein the cable termination assembly comprises:
a crimp body configured for electrically connecting a conductive core of an electrical cable to the conductive pin, wherein the crimp body is further configured to receive the conductive core at a first end of the crimp body and the conductive pin at a second end of the crimp body;
a locking sleeve that is located radially outwardly of the crimp body, wherein the locking sleeve is movable relative to the crimp body between a locking position and an unlocking position, and wherein the locking sleeve is configured such that rotation of the locking sleeve moves the locking sleeve between the locking position and the unlocking position;
a locking member, wherein the locking member is movable relative to the crimp body so as to be able to lock the pin in the crimp body when the locking sleeve is moved from the unlocking position to the locking position, and wherein the locking member is at least partially disposed in an aperture in the crimp body when the locking sleeve is in the locking position;
a protrusion on the crimp body spaced axially from the second end; and

a compensation insert at the second end of the crimp body, the compensation insert having a conical internal shape and a cylindrical outer shape such that the compensation insert at least partially extends over the locking sleeve when the locking sleeve is in the unlocking position,
wherein the conductive core of the electrical cable is crimped in the crimp body at the first end thereof and the conductive pin is received in the crimp body at the second end thereof,
wherein the pin is configured to be locked in the crimp body when the locking sleeve is in the locking position, and
wherein the locking sleeve is threadedly engaged with the crimp body such that rotation of the locking sleeve causes the locking sleeve to move axially between the unlocking position and the locking position away from the second end until the locking sleeve abuts the protrusion, and
wherein a distance between the locking sleeve and the second end is greater when the locking sleeve is in the locking position than when the locking sleeve is in the unlocking position.

11. The electrical cable termination of claim 10 , wherein the pin comprises a circumferential groove, and wherein the locking member is configured to engage with the circumferential groove on the pin when the locking sleeve is in the locking position.

12. The electrical cable termination of claim 10 , wherein the locking sleeve and the protrusion form a continuous external profile.

13. An electrical cable termination assembly for terminating an electrical cable with a conductive core and an axially extending annular insulation portion around the conductive core, the electrical cable termination assembly comprising:
a crimp body configured to be crimped to the conductive core of the electrical cable, wherein the crimp body comprises an axially extending part that is configured to extend axially forwardly along a length of the conductive core, and wherein the axially extending part is further configured to be located radially outwardly of the conductive core and radially inwardly of the annular insulation portion;
a locking sleeve that is located radially outwardly of the crimp body, wherein the locking sleeve is movable relative to the crimp body between a locking position and an unlocking position, and wherein the locking sleeve is configured such that rotation of the locking sleeve moves the locking sleeve between the locking position and the unlocking position;
a locking member;

Assignees

• Burrow Christopher
• Simmonds Mark
• Siemens Ag

Inventors

• Burrow Christopher
• Simmonds Mark

Classifications

• H01R13/523

  for use under water · CPC title

• H01R13/622

  Screw-ring or screw-casing (H01R13/623 takes precedence) · CPC title

• H01R4/5058

  using a ball · CPC title

• H01R13/625

  Casing or ring with bayonet engagement · CPC title

• H01R13/04

  Pins or blades for co-operation with sockets · CPC title