Contact part

Patent metadata

Field	Value
Publication number	US-9716332-B1
Application number	US-201715415093-A
Country	US
Kind code	B1
Filing date	Jan 25, 2017
Priority date	Jan 26, 2016
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

Embodiments disclose a contact part comprising a sleeve forming a receiving space for a plug-in contact to be inserted in an insertion direction; a contact spring secured to an inside of the sleeve, the contact spring comprising a first protrusion, a second protrusion and an intermediate section between the first and second protrusions; and a plate-shaped contact tab attached to the sleeve so as to form the receiving space between the contact tab and the contact spring, the contact tab comprising a profile oriented towards the contact spring, the profile having a flat portion extending towards the intermediate section of the contact spring. Applications for the present disclosure include high-current plug connections, such as those used in vehicles and onboard wiring systems.

First claim

What is claimed is:

1. A contact part, comprising:
a sleeve enclosing a receiving space to accommodate a plug-in contact;
a contact spring secured to an inside of the sleeve, the contact spring comprising a first protrusion, a second protrusion, and an intermediate section between the first and second protrusions; and
a plate-shaped contact tab attached to the sleeve so as to form the receiving space between the contact tab and the contact spring, the contact tab comprising a profile oriented towards the contact spring, the profile having a flat portion extending towards the intermediate section of the contact spring.

2. The contact part according to claim 1 , wherein:
the sleeve comprises tabs arranged at each end of the sleeve; and
the contact spring is suspended in the sleeve from the tabs.

3. The contact part according to claim 1 , wherein the sleeve is a formed sheet metal part holding the contact spring in at least one of a positive fit or a friction fit.

4. The contact part according to claim 1 , wherein the contact spring comprises steel.

5. The contact part according to claim 1 , wherein the contact tab comprises at least one of a copper tab or a silver-plated profile.

6. The contact part according to claim 1 , wherein the receiving space is formed along a central plane through the sleeve, parallel to an insertion direction of the plug-in contact.

7. The contact part according to claim 1 , wherein the sleeve comprises an upper side and a lower side, and the protrusions are symmetrical about an axis perpendicular to the lower side.

8. The contact part according to claim 7 , wherein the protrusions comprise an approximate shape of at least a portion of a sine.

9. The contact part according to claim 7 , wherein the sleeve comprises a square stiffening bead on the upper side of the sleeve, the stiffening bead being configured to reinforce the sleeve.

10. The contact part according to claim 7 , wherein the sleeve comprises a first detent tab on the upper side of the sleeve and a second detent tab on the lower side of the sleeve, the first and second detent tabs being bent outwards from the sleeve.

11. The contact part according to claim 7 , wherein the height of the protrusions is a multiple of the thickness of the contact spring.

12. The contact part according to claim 11 , wherein the multiple is a factor of 3 to 10.

13. The contact part according to claim 7 , wherein the profile is symmetrical with respect to the axis.

14. The contact part according to claim 13 , wherein the height of the profile is a multiple of the thickness of the contact tab, the multiple being a factor of 2 to 4.

15. The contact part according to claim 13 , wherein the profile is arranged substantially between the first and second protrusions.

16. The contact part according to claim 1 , wherein the sleeve comprises positively interlocking side edges.

17. The contact part according to claim 16 , wherein the interlocking side edges are formed as a complementary meander.

18. A contact part for high-current plug connections in a vehicle, the contact part comprising:
a sleeve defining a receiving space to accommodate a plug-in contact, the sleeve being closed peripherally and comprising an upper side, a lower side, an open front side, and an open back side;
a contact spring secured to an inside of the sleeve at the upper side, the contact spring comprising a first protrusion, a second protrusion, and an intermediate section between the first and second protrusions; and
a plate-shaped contact tab attached to the sleeve at the lower side so as to form the receiving space between the contact tab and the contact spring, the contact tab comprising a profile protruding towards the contact spring, the profile having a flat portion extending in the intermediate section of the contact spring.

19. The contact part according to claim 18 , wherein:
the protrusions are symmetrical with respect to an axis perpendicular to the lower side; and
the profile is symmetrical with respect to the axis.

20. The contact part according to claim 18 , wherein:
the sleeve comprises a first tab arranged at the front side of the sleeve and a second tab arranged at the back side of the sleeve;
the contact spring is suspended in the sleeve from the tabs;
a first end of the contact spring is coupled to the first tab; and
a second end of the contact spring is coupled to the second tab.

Assignees

• Draexlmaier Lisa Gmbh

Inventors

• Wimmer Stefan
• Saller Robert
• Wimmer Christian

Classifications

• H01R13/03

  characterised by the material, e.g. plating, or coating materials · CPC title

• H01R13/113 Primary

  co-operating with pins or blades having a rectangular transverse section · CPC title

• H01R13/187

  with spring member in the socket · CPC title

• H01R24/00

  Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure (contact members H01R13/02; securing contact members in or to a base or case or insulating of contact members H01R13/40; bases or cases H01R13/46; means for supporting coupling part when not engaged H01R13/60; means for facilitating engagement or disengagement of coupling parts or for holding them in engagement H01R13/62; means for preventing, inhibiting or avoiding incorrect coupling H01R13/64) · CPC title

• H01R13/639 Primary

  Additional means for holding or locking coupling parts together, after engagement, {e.g. separate keylock, retainer strap} · CPC title