High frequency miniature connectors with canted coil springs and related methods
View Patent ↗Coaxial connecting devices used for transmitting high frequency electrical signals having two connector elements of generally cylindrical profile, and wherein each of the connector elements has an inner conductor, an insulator, and an outer conductor. In one of the two connector elements that may be of a male or a female orientation has two canted coil spring contacts where at least one of a first spring contact can be retained within at least one first spring groove within a second inner conductor and at least one of a second spring contact is retained within at least one second spring groove within a second outer conductor. The at least one second spring contact can be used as a simultaneous EMI shielding contact and latching, locking, or both latching and locking device.
1. A high frequency connecting apparatus comprising:
a first connector element comprising a first conductor, a second conductor, and a first insulator separating the first conductor from the second conductor; the first insulator fitted between the first conductor and the second conductor of the first connector element, wherein said first conductor of the first connector element comprises a first engagement tip;
a second connector element comprising a first conductor, a second conductor, and a second insulator separating the first conductor from the second conductor, the second insulator fitted between the first conductor and the second conductor of the second connector element, wherein the first conductor of the second connector element comprises a second engagement tip, the second conductor of the second connector element surrounding the first conductor of the second connector element; and
a groove on the first conductor of the second connector element retaining a canted coil spring, the canted coil spring contacting the first conductor of the first connector element and the first conductor of the second connector element to engage the first connector element to the second connector element.
2. The high frequency connecting apparatus of claim 1 , wherein the canted coil spring has a configuration with alternating coils with different coil dimensions.
3. The high frequency connecting apparatus of claim 2 , wherein the canted coil spring is retained within at least one metal spring handling ring.
4. The high frequency connecting apparatus of claim 3 ,
wherein the first engagement tip comprises a male tip; and
wherein the second engagement tip comprises a female tip comprising a bore receiving the male tip therein.
5. The high frequency connecting apparatus of claim 1 , wherein the canted coil spring is mounted to the groove of the first conductor of the second connector element prior to engaging the first connector element to the second connector element.
6. The high frequency connecting apparatus of claim 5 , wherein the second conductor of the first connector element surrounds the first conductor of the first connector element.
7. The high frequency connecting apparatus of claim 5 , wherein the first insulator comprises a base and a sidewall projecting perpendicular to a surface of the base.
8. The high frequency connecting apparatus of claim 7 , wherein the first conductor of the first connector element comprises a flange extending transverse to a connection axis of the first conductor, the flange corresponding to a recess in the base of the first insulator.
9. The high frequency connecting apparatus of claim 7 , wherein the second connector of the first connector element comprises a base and a sidewall, the base defining an interior lip for fitment with the first insulator.
10. The high frequency connecting apparatus of claim 1 , wherein the second engagement tip receives the first engagement tip in a state where the canted coil spring contacts the first conductor of the first connector element and the first conductor of the second connector element.
11. The high frequency connecting apparatus of claim 10 , wherein the second engagement tip has a bore and the first engagement tip has an elongated body, and wherein the canted coil spring is a radial canted coil spring.
12. A method of manufacturing a high frequency connecting apparatus comprising:
forming a first connector element comprising a first conductor, a second conductor, and a first insulator separating the first conductor from the second conductor; the first insulator fitted between the first conductor and the second conductor of the first connector element, wherein said first conductor of the first connector element comprises a first engagement tip;
forming a second connector element comprising a first conductor, a second conductor, and a second insulator separating the first conductor from the second conductor, the second insulator fitted between the first conductor and the second conductor of the second connector element, wherein the first conductor of the second connector element comprises a second engagement tip, wherein the second conductor of the second connector element surrounds the first conductor of the second connector element; and
forming a groove on the first conductor of the second connector element and retaining a canted coil spring in the groove, the canted coil spring contacting the first conductor of the first connector element and the first conductor of the second connector element to engage the first connector element to the second connector element.
13. The method of claim 12 , wherein the second engagement tip receives the first engagement tip in a state where the canted coil spring contacts the first connector element and the second connector element.
14. The method of claim 12 , wherein the canted coil spring has a configuration with alternating coils with different coil dimensions.
15. The method of claim 14 , wherein the canted coil spring is retained within at least one metal spring handling ring.
16. The method of claim 15 ,
wherein the first engagement tip comprises a male tip; and
wherein the second engagement tip comprises a female tip comprising a bore for receiving the male tip.
17. The method of claim 12 , wherein the canted coil spring is mounted to the groove of the first conductor of the second connector element prior to engaging the first connector element to the second connector element.
18. The method of claim 17 , wherein the second conductor of the first connector element surrounds the first conductor of the first connector element.
19. The method of claim 17 , wherein the first insulator comprises a base and a sidewall projecting perpendicular to a surface of the base.
20. The method of claim 19 , wherein the first conductor of the first connector element comprises a flange extending transverse to a connection axis of the first conductor, the flange corresponding to a recess in the base of the first insulator.
21. The method of claim 19 , wherein the second connector of the first connector element comprises a base and a sidewall, the base defining an interior lip for fitment with the first insulator.
22. A high frequency connecting apparatus comprising:
a first connector element comprising a first conductor, a second conductor, and a first insulator separating the first conductor from the second conductor; the first insulator fitted between the first conductor and the second conductor of the first connector element, wherein said first conductor of the first connector element comprises a first engagement tip;
a second connector element comprising a first conductor, a second conductor, and a second insulator separating the first conductor from the second conductor, the second insulator fitted between the first conductor and the second conductor of the second connector element, the first conductor having a sidewall defining an interior of the first conductor, wherein the first conductor of the second connector element comprises a second engagement tip, wherein the second conductor of the second connector element surrounds the first conductor of the second connector element; and
a groove on an interior surface of the sidewall defining the interior of the second connector element retaining a canted coil spring in the groove, the canted coil spring contacting the first conductor of the first connector element and the first conductor of the second connector element.
23. The high frequency connecting apparatus of claim 22 , wherein the first insulator comprises a base and a sidewall projecting perpendicular to a surface of the base.
24. The high frequency connecting apparatus of claim 22 , wherein the first conductor of the first connector element comprises a flange extending transverse to a connection axis of the first conductor, the flange corresponding to a recess in the base of the first insulator.
25. The high frequency connecting apparatus of claim 22 , wherein the second connector of the first connector element further comprises a base adjacent to the interior surface of the sidewall, the base defining an interior lip for fitment with the first insulator.