Sealing of spring-loaded contact pin

• US 8,506,314 B2
• Filed: 03/01/2010
• Issued: 08/13/2013
• Est. Priority Date: 03/13/2009
• Status: Expired due to Fees

• Current Assignee: Rosenberger Hochfrequenztechnik GmbH & Company KG (Rosenberger Technology (Kunshan) Co., Ltd.)
• Original Assignee: Rosenberger Hochfrequenztechnik GmbH & Company KG (Rosenberger Technology (Kunshan) Co., Ltd.)
• Inventors: Gramsamer, Josef, Krautenbacher, Josef, Barbet, Anne
• Primary Examiner(s): DINH, PHUONG K
• Application Number:
  US13/256,265
• Publication Number:
  US 20120028489A1
• Time in Patent Office: 1,261 Days
• Field of Search: 439/289, 439/700, 439/824
• US Class Current: 439/289
• CPC Class Codes: H01R 13/2421 using coil springs
• CPC Class Codes: H01R 13/521 Sealing between contact members and housing, e.g. sealing insert
• CPC Class Codes: H01R 13/5219 Sealing means between coupling parts, e.g. interfacial seal
• CPC Class Codes: H01R 13/622 Screw-ring or screw-casing H01R13/623 takes precedence
• CPC Class Codes: H01R 24/40 specially adapted for high frequency

Abstract

A connector having a housing and at least one spring contact for establishing releasable electrical contacts. Each spring contact has a first contact pin axially movable, and a contact-side end facing a front side of the housing. A planar sealing element is arranged at the front side of the housing, and seals against a first predetermined fluid pressure. At least one through hole is in the sealing element within which a second contact pin is arranged. The second contact pin has a first contact-side end facing the spring contacts, and a second contact side end facing away from the front side of the housing. The second contact pin is arranged within the through hole and seals the through hole against a second predetermined fluid pressure. The first contact pin with the contact-side end mechanically hits the contact-side end of the second contact pin-establishing electrical contact.

Claims

1. A connector with a housing having a front side comprising:

at least one spring contact arranged in the housing for establishing electrical contacts which can be released, each spring contact including;

a first contact pin axially positionable; and

having a contact-side end facing said front side of the housing;

a sealing element covering the front side of the housing and sealing said side against a first predetermined fluid pressure, said sealing element including at least one through hole;

a second contact pin arranged within the through hole, including a first contact-side end facing the spring contacts, and a second contact-side end facing away from the front side of the housing, said second contact pin arranged within the through hole such that the second contact pin seals the through hole against a second predetermined fluid pressure;

at least one through hole arranged with the second contact pin such that a first contact pin with the contact-side end mechanically strikes the first contact-side end of a second contact pin establishing electrical contact between the first and second contact pin.

2. The connector of claim 1 wherein the housing is designed as an external conductor part made from an electrically conductive material.

3. The connector of claim 1 wherein the at least one first contact pin is arranged parallel to a longitudinal axis of the housing.

4. The connector of claim 1 including a cap nut arranged on the housing and projecting beyond the front side of the housing in an axial direction.

5. The connector of claim 1 wherein the at least one spring contact is held in a dielectric within the housing.

6. The connector of claim 5 wherein the dielectric is arranged in the housing terminating flush with the front side of the housing, and includes bores on the front face in the region of the through holes of the sealing element.

7. The connector of claim 1 wherein the second contact pin projects in an axial direction on both sides of the sealing element.

8. The connector of claim 1 wherein the at least one second contact pin is rotationally symmetrical.

9. The connector of claim 1 including a central section of the at least one second contact pin arranged within the through hole of the sealing element, and having the first and second contact-side ends of the second contact pin arranged outside of the through hole of the sealing element.

10. The connector of claim 1 wherein the sealing element is disc-shaped.

11. The connector of claim 1 including a pressing element arranged on the front side of the housing which grasps the sealing element around at least a part of its circumferential edge, and presses the sealing element axially against the front side.

12. The connector of claim 11 including a ring-formed seal arranged on the outer circumference of the pressing element.

13. The connector of claim 1 wherein the sealing element is made of an electrically insulating material.

14. The connector of claim 1 wherein the sealing element is formed of an elastically deformable material.

15. The connector of claim 3 wherein the second contact pin projects in an axial direction on both sides of the sealing element.

16. The connector of claim 6 wherein the second contact pin projects in an axial direction on both sides of the sealing element.

17. The connector of claim 6 wherein the at least one second contact pin is rotationally symmetrical.

18. The connector of claim 8 wherein the at least one second contact pin is dumbbell-formed.

19. The connector of claim 17 wherein the at least one second contact pin is dumbbell-formed.

20. The connector of claim 6 wherein the at least one second contact pin includes a maximum outer diameter in a direction perpendicular to a longitudinal axis of the second contact pin in a section which is arranged within the through hole of the sealing element, and which is greater than the maximum inner diameter of the through hole of the sealing element.

21. The connector of claim 6 wherein the sealing element is disc-shaped.

22. The connector of claim 7 wherein the sealing element is disc-shaped.

23. The connector of claim 21 including a pressing element arranged on the front side of the housing which grasps the sealing element around at least a part of its circumferential edge, and presses the sealing element axially against the front side.

24. The connector of claim 22 including a pressing element arranged on the front side of the housing which grasps the sealing element around at least a part of its circumferential edge, and presses the sealing element axially against the front side.

25. A connector with a housing having a front side comprising:

at least one spring contact arranged in the housing for establishing electrical contacts which can be released, the at least one spring contact includes a sleeve for receiving a first contact pin in a telescopic manner, each spring contact including;

said first contact pin axially positionable; and

having a contact-side end facing said front side of the housing;

a sealing element covering the front side of the housing and sealing said side against a first predetermined fluid pressure, said sealing element including at least one through hole;

a second contact pin arranged within the through hole, including a first contact-side end facing the spring contacts, and a second contact-side end facing away from the front side of the housing, said second contact pin arranged within the through hole such that the second contact pin seals the through hole against a second predetermined fluid pressure;

at least one through hole arranged with the second contact pin such that a first contact pin with the contact-side end mechanically strikes the first contact-side end of a second contact pin establishing electrical contact between the first and second contact pin.

26. The connector of claim 25 wherein the sleeve includes, and is at least partially embedded in, a dielectric.

27. The connector of claim 25 including an elastic spring element provided in the sleeve in such a way that this elastic spring element applies an axial force to the at least one axially movable first contact pin in the direction of the contact-side end of the first contact pin.

28. The connector of claim 26 including an elastic spring element provided in the sleeve in such a way that this elastic spring element applies an axial force to the at least one axially movable first contact pin in the direction of the contact-side end of the first contact pin.

29. The connector of claim 27 wherein the at least one first contact pin is arranged parallel to a longitudinal axis of the housing.

30. The connector of claim 27 including a cap nut arranged on the housing and projecting beyond the front side of the housing in an axial direction.

31. The connector of claim 28 wherein the at least one spring contact is held in a dielectric within the housing.

32. The connector of claim 27 wherein the at least one second contact pin is rotationally symmetrical.

33. The connector of claim 32 wherein the at least one second contact pin is dumbbell-formed.

34. The connector of claim 27 wherein the at least one second contact pin includes a maximum outer diameter in a direction perpendicular to a longitudinal axis of the second contact pin in a section which is arranged within the through hole of the sealing element, and which is greater than the maximum inner diameter of the through hole of the sealing element.

35. A connector with a housing having a front side comprising:

at least one spring contact arranged in the housing for establishing electrical contacts which can be released, each spring contact including;

a first contact pin axially positionable; and

having a contact-side end facing said front side of the housing;

a sealing element covering the front side of the housing and sealing said side against a first predetermined fluid pressure, said sealing element including at least one through hole;

a second contact pin arranged within the through hole, including a first contact-side end facing the spring contacts, and a second contact-side end facing away from the front side of the housing, said second contact pin arranged within the through hole such that the second contact pin seals the through hole against a second predetermined fluid pressure, said second contact pin including a central section arranged within the through hole of the sealing element, and having the first and second contact-side ends of the second contact pin arranged outside of the through hole of the sealing element;

at least one through hole arranged with the second contact pin such that a first contact pin with the contact-side end mechanically strikes the first contact-side end of a second contact pin establishing electrical contact between the first and second contact pin

wherein the at least one second contact pin includes a maximum outer diameter in a direction perpendicular to a longitudinal axis of the second contact pin on its first and second contact-side ends greater than the maximum outer diameter in the central section of the second contact pin.

36. A connector with a housing having a front side comprising:

at least one spring contact arranged in the housing for establishing electrical contacts which can be released, each spring contact including;

a first contact pin axially positionable; and

having a contact-side end facing said front side of the housing;

a sealing element covering the front side of the housing and sealing said side against a first predetermined fluid pressure, said sealing element including at least one through hole;

a second contact pin arranged within the through hole, including a first contact-side end facing the spring contacts, and a second contact-side end facing away from the front side of the housing, said second contact pin arranged within the through hole such that the second contact pin seals the through hole against a second predetermined fluid pressure;

at least one through hole arranged with the second contact pin such that a first contact pin with the contact-side end mechanically strikes the first contact-side end of a second contact pin establishing electrical contact between the first and second contact;

wherein the at least one second contact pin includes a maximum outer diameter in a direction perpendicular to a longitudinal axis of the second contact pin in a section which is arranged within the through hole of the sealing element, and which is greater than the maximum inner diameter of the through hole of the sealing element.