CA1315857C - Coaxial connector assembly - Google Patents
Coaxial connector assemblyInfo
- Publication number
- CA1315857C CA1315857C CA000615094A CA615094A CA1315857C CA 1315857 C CA1315857 C CA 1315857C CA 000615094 A CA000615094 A CA 000615094A CA 615094 A CA615094 A CA 615094A CA 1315857 C CA1315857 C CA 1315857C
- Authority
- CA
- Canada
- Prior art keywords
- collar
- diameter
- conductor
- male
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Abstract
COAXIAL CONNECTOR ASSEMBLY
ABSTRACT OF THE DISCLOSURE
A microminiature coaxial connector is described. The connector comprises a male half and a female half and an annular electrical spring contact member which functions to provide continuous annular outer conductor electrical contact and RFI suppression. The annular spring member provides continuous annular outer conductor contact between facing surfaces at said male and female surfaces even during slight conductor misalignment. The spring is retained on said female member by a groove adjacent the outer end thereof, the outer end thereof is tapered away from a collar defining the outer end of the groove towards its axis, and the male member is at least 5% larger in diameter than the diameter of said female member adjacent the collar and said spring member extends at least 5%
beyond the diameter of said collar.
ABSTRACT OF THE DISCLOSURE
A microminiature coaxial connector is described. The connector comprises a male half and a female half and an annular electrical spring contact member which functions to provide continuous annular outer conductor electrical contact and RFI suppression. The annular spring member provides continuous annular outer conductor contact between facing surfaces at said male and female surfaces even during slight conductor misalignment. The spring is retained on said female member by a groove adjacent the outer end thereof, the outer end thereof is tapered away from a collar defining the outer end of the groove towards its axis, and the male member is at least 5% larger in diameter than the diameter of said female member adjacent the collar and said spring member extends at least 5%
beyond the diameter of said collar.
Description
~L 3 1 ~ 8 ~ 7 3 The present invention is directed to a coaxial 4 connector assembly, particularly the microminiature type wherein the total assembly is less than 1/4 inch in 6 diameter. The present invention is an improvement over 7 the coaxial connector described in U.S. Patent No.
8 4,426,127 owned by the Assignee of the present invention.
In microminiature coaxial connectors there is normally 11 an outer shield comprising a male half and a female half 12 and an annular electrical spring contact is often provided 13 for furnishing continuous annual outer electrical contact 14 between the two members so as to assure shielding of the inner coaxial conductor from radio frequency interference 16 and other electrical phenomena which can adversely affect 17 the quality of the signal being carried by the inner 18 coaxial conductor.
19 BRI~F DESCRIPTION OF THE INVENTION
In the present invention the spring member is carried 21 by the female portion of the outer pair of shielding 22 conductors and is held in a groove which extends from near 23 the outer end of the female conductor. This outer end is 24 preferably tapered towards the axis of the conductor, the outer end providing a collar which defines one end of the 26 groove for retaining the spring. The spring extends 27 outwardly from the female member by at least 5% of the ' -2- ` 13~8~7 1 diameter of the female member and the female member is 2 preferably at least 5% smaller in diameter than is the 3 male member. Thus, when the male member and the female 4 member are in engagement and coaxially aligned, the electrical contac-t between the two is primarily through 6 the spring contact. This arrangement also permits easy 7 engagement and disengagement vf the two mating members and 8 permits a reasonable amount of misalignment between the g axes of the.two memhers. The electrical contact will still be continuous and shielding will not be disturbed 11 even though the two elements are not coaxially aligned but 12 one is displaced from the axis by a substantial distance 13 from the other because of manufacturing tolerances or 14 other problems.
In a preferred form of the invention, a snap ring of 16 larger outer diameter than the interior surface of the 17 male connector and a smaller inner diameter than the 18 collar on the female connector is carried in a groove in 19 the male surface. When the female member is inserted, the taper end enters the snap ring and expands it over the 21 collar. Then, as the collar is fully seated, the snap 22 ring passes into the spring retaining groove behind the 23 collar and contracts into this groove thus holding the 24 ~emale member against dislodgement.
DETAILED DESCRIPTION OF THE INVENTION
26 For a fuller understanding of the invention reference 27 should be had to the following detailed description taken _3_ ~ 31 ~g ~7 1 in connection with the following drawings wherein:
2 Figure 1 is a schematic diagrammatic partially section 3 view of one preferred form of the invention; and 4 Figure 2 is another view of Fig. 1 with one of the axes of the mating conduc~or slightly displaced from the 6 other.
7 Referring now to Figure 1 the outer male shield 8 conductor is shown generally at 10 and the female outer 9 conductor is shown generally at 12 having an internal sleeve 14 which fits within ~he inner surface 15 of sleeve 11 10. An inner coaxial conductor 16 is arranged to be 12 engaged by a corresponding internal coaxial conductor 18 13 carried in association with the member 12. Insulators 20 14 and 21 space the internal coaxial conductors 16, 18 from the outer shield members. An annular leaf spring 22 is 16 carried in a groove 24 in the outer surface of the female 17 contact member 14 associated with an outer shield. The 18 collar 26 adjacent the outer end of the groove serves to 19 hold the spring in the groove. This collar is at least 5%
smaller in diameter than the diameter of the surface 15 of 21 the male member 10 and the collar 26 is tapered at its 22 outer end by approximately 15. The inner conductor 16 23 preferably has a number of longitudinal slots 28 which 24 permit axial misalignment between the inner coaxial members 16 and 18. There is also provided on the interior 26 surface of the male member 10 a groove 30 which receives a 27 snap ring 32. In its normal condition the ~nap ring 32 , _4 ' ~31~7 1 has an external diameter larger than the diameter of the 2 surface 15 so that it is held in the groove 30 in its 3 normal position. The inner diameter of snap ring 32 is 4 less than the outer diameter of the collar 25. Thus, after the collar passes through the snap ring in the 6 process of engagement, the snap ring closes down into the 7 groo~e 24 and engages the back corner of the collar 26 8 holding it against removal.
9 As can be seen in Figure 1, where the two members are in complete axial alignment, the inner female member 14 is 11 uniformally spaced from the interior surface 15 of the 12 outer male member 10 and the electrical contact is 13 essentially through the leaf spring 22 and a conductive 14 elastomer 34 against which the tapered surface 27 abuts.
In Fig. 2 the inner and Guter members are not axially 16 aligned but the inner member has been displaced upwardly 17 so that the upper surface of the inner member adjacent the 18 collar abuts the inner surface 15 at the top of the 19 drawing and at the bottom of the drawing the spacing between the collar and the surface is twice the normal 21 spacing. In both cases the spring 22 engages the inner 22 surface lS of the outer member 10. As can be seen in Fig.
23 2 the slots 28 on the inner female coa~ial contact 16 24 permit bending of this female contact to accommodate misalignment with the male inner coaxial contact 18.
8 4,426,127 owned by the Assignee of the present invention.
In microminiature coaxial connectors there is normally 11 an outer shield comprising a male half and a female half 12 and an annular electrical spring contact is often provided 13 for furnishing continuous annual outer electrical contact 14 between the two members so as to assure shielding of the inner coaxial conductor from radio frequency interference 16 and other electrical phenomena which can adversely affect 17 the quality of the signal being carried by the inner 18 coaxial conductor.
19 BRI~F DESCRIPTION OF THE INVENTION
In the present invention the spring member is carried 21 by the female portion of the outer pair of shielding 22 conductors and is held in a groove which extends from near 23 the outer end of the female conductor. This outer end is 24 preferably tapered towards the axis of the conductor, the outer end providing a collar which defines one end of the 26 groove for retaining the spring. The spring extends 27 outwardly from the female member by at least 5% of the ' -2- ` 13~8~7 1 diameter of the female member and the female member is 2 preferably at least 5% smaller in diameter than is the 3 male member. Thus, when the male member and the female 4 member are in engagement and coaxially aligned, the electrical contac-t between the two is primarily through 6 the spring contact. This arrangement also permits easy 7 engagement and disengagement vf the two mating members and 8 permits a reasonable amount of misalignment between the g axes of the.two memhers. The electrical contact will still be continuous and shielding will not be disturbed 11 even though the two elements are not coaxially aligned but 12 one is displaced from the axis by a substantial distance 13 from the other because of manufacturing tolerances or 14 other problems.
In a preferred form of the invention, a snap ring of 16 larger outer diameter than the interior surface of the 17 male connector and a smaller inner diameter than the 18 collar on the female connector is carried in a groove in 19 the male surface. When the female member is inserted, the taper end enters the snap ring and expands it over the 21 collar. Then, as the collar is fully seated, the snap 22 ring passes into the spring retaining groove behind the 23 collar and contracts into this groove thus holding the 24 ~emale member against dislodgement.
DETAILED DESCRIPTION OF THE INVENTION
26 For a fuller understanding of the invention reference 27 should be had to the following detailed description taken _3_ ~ 31 ~g ~7 1 in connection with the following drawings wherein:
2 Figure 1 is a schematic diagrammatic partially section 3 view of one preferred form of the invention; and 4 Figure 2 is another view of Fig. 1 with one of the axes of the mating conduc~or slightly displaced from the 6 other.
7 Referring now to Figure 1 the outer male shield 8 conductor is shown generally at 10 and the female outer 9 conductor is shown generally at 12 having an internal sleeve 14 which fits within ~he inner surface 15 of sleeve 11 10. An inner coaxial conductor 16 is arranged to be 12 engaged by a corresponding internal coaxial conductor 18 13 carried in association with the member 12. Insulators 20 14 and 21 space the internal coaxial conductors 16, 18 from the outer shield members. An annular leaf spring 22 is 16 carried in a groove 24 in the outer surface of the female 17 contact member 14 associated with an outer shield. The 18 collar 26 adjacent the outer end of the groove serves to 19 hold the spring in the groove. This collar is at least 5%
smaller in diameter than the diameter of the surface 15 of 21 the male member 10 and the collar 26 is tapered at its 22 outer end by approximately 15. The inner conductor 16 23 preferably has a number of longitudinal slots 28 which 24 permit axial misalignment between the inner coaxial members 16 and 18. There is also provided on the interior 26 surface of the male member 10 a groove 30 which receives a 27 snap ring 32. In its normal condition the ~nap ring 32 , _4 ' ~31~7 1 has an external diameter larger than the diameter of the 2 surface 15 so that it is held in the groove 30 in its 3 normal position. The inner diameter of snap ring 32 is 4 less than the outer diameter of the collar 25. Thus, after the collar passes through the snap ring in the 6 process of engagement, the snap ring closes down into the 7 groo~e 24 and engages the back corner of the collar 26 8 holding it against removal.
9 As can be seen in Figure 1, where the two members are in complete axial alignment, the inner female member 14 is 11 uniformally spaced from the interior surface 15 of the 12 outer male member 10 and the electrical contact is 13 essentially through the leaf spring 22 and a conductive 14 elastomer 34 against which the tapered surface 27 abuts.
In Fig. 2 the inner and Guter members are not axially 16 aligned but the inner member has been displaced upwardly 17 so that the upper surface of the inner member adjacent the 18 collar abuts the inner surface 15 at the top of the 19 drawing and at the bottom of the drawing the spacing between the collar and the surface is twice the normal 21 spacing. In both cases the spring 22 engages the inner 22 surface lS of the outer member 10. As can be seen in Fig.
23 2 the slots 28 on the inner female coa~ial contact 16 24 permit bending of this female contact to accommodate misalignment with the male inner coaxial contact 18.
Claims (7)
1. A micro-miniature coaxial connector comprising, in combination, a male half and a female half having facing surfaces, and an annular electrical spring contact member which functions to provide continuous annular outer conductor electrical contact and RFI suppression, wherein the annular spring member provides continuous annular outer conductor contact between facing surfaces at said male and female surfaces even during slight conductor misalignment, said spring being retained on said female member by a groove adjacent the outer end thereof, said outer end being tapered away from a collar defining the outer end of the groove towards its axis, an engaging diameter of outer end of said male connector half having a tapered surface adjacent to said tapered end of said female connector half to aid in aligning said halves when mating, said male member being at least 5% larger in diameter than the diameter of said female member adjacent the collar and said spring member extending at least 5%
beyond the diameter of said collar; and a snap ring of larger outer diameter than said male surface and of smaller inner diameter than said collar carried in a groove in said male surface into which the snap ring can expand when the female member is inserted into engagement with the male surface, said lock ring contracting into said groove behind the collar when said surfaces are in full engagement to lock said surfaces against axial movement.
beyond the diameter of said collar; and a snap ring of larger outer diameter than said male surface and of smaller inner diameter than said collar carried in a groove in said male surface into which the snap ring can expand when the female member is inserted into engagement with the male surface, said lock ring contracting into said groove behind the collar when said surfaces are in full engagement to lock said surfaces against axial movement.
2. A connector of claim 1, wherein said collar is at least 5% smaller in diameter than the interior diameter of said male member, so that when said male half and female half are axially aligned electrical contact is primarily through said spring element.
3. A connector of claim 1 or claim 2, and further comprising an electrically conductive elastomer gasket ring, carried on said male member against which said outer end taper of said female member may engage and compensates for misalignment of said male and female connector halves when fully engaged, providing continuous circumferential electrical contact and RFI suppression.
4. A micro-miniature coaxial connector comprising in combination an outer half and an inner half having facing surfaces, an annular electrical spring contact member which functions to provide continuous annular outer conductor electrical contact and RFI suppression, wherein the annular spring member provides continuous annular outer conductor contact between facing surfaces of said outer and inner halves even during slight conductor misalignment, said spring contact member being retained on one of said halves by a groove adjacent the outer end thereof, said outer end being tapered away from a collar defining the outer end of the groove, the inner surface of the outer half being at least five percent larger in diameter than the outer surface of the inner half, said measurements being adjacent the spring retaining collar, said spring member in its uncompressed state spanning a distance greater than the spacing between said inner and outer halves and being compressible to span the smaller spacing formed when said two inner and outer halves are assembled, and a snap ring carried by that one of the members which does not carry the spring member, the snap ring having an inner diameter greater than the collar diameter and an outer diameter greater than the collar diameter whereby when it passes over the collar it is retained by the collar against axial movement.
5. A micro-miniature coaxial connector comprising in combination an outer half and inner half, an annular electrical spring contact member located in a groove adjacent an outer end thereof, said spring member in its uncompressed state spanning a distance greater than the spacing between said inner and outer halves and being compressible to span the smaller spacing formed when said two inner and outer halves are assembled, a conductive elastomer tapered ring contacted by a tapered end of said inner half and an inner diameter land in said outer half, and a snap ring to retain an assembled connector's said outer half and inner half against axial movement.
6. A micro-miniature coaxial connector of claim 5, wherein said inner coaxial conductor can be fitted with said internal coaxial conductor pin, and said outer shield conductor fitted with said inner coaxial conductor socket, and reversibly with said inner conductor fitted with said conductor socket and said outer shield conductor fitted with said conductor pin.
7. A micro-miniature coaxial connector comprising in combination an outer half and an inner half, an annular electrical spring contact member located in a groove adjacent an outer end thereof, said spring member in its uncompressed state spanning a distance greater than the spacing between said inner and outer halves and being compressible to span the smaller spacing formed when said two inner and outer halves are assembled, a conductive elastomer tapered ring contacted by a tapered end of said inner half and an inner diameter land in said outer half, and a snap ring engaged by a collar and a groove when said connector halves are joined.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/337,363 | 1989-04-13 | ||
| US07/337,363 US4929188A (en) | 1989-04-13 | 1989-04-13 | Coaxial connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1315857C true CA1315857C (en) | 1993-04-06 |
Family
ID=23320270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000615094A Expired - Fee Related CA1315857C (en) | 1989-04-13 | 1989-09-29 | Coaxial connector assembly |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4929188A (en) |
| CA (1) | CA1315857C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US3793610A (en) * | 1973-02-01 | 1974-02-19 | Itt | Axially mating positive locking connector |
| US4050149A (en) * | 1976-05-06 | 1977-09-27 | Amerace Corporation | Methods and apparatus for electrical contact assembly |
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| US4426127A (en) * | 1981-11-23 | 1984-01-17 | Omni Spectra, Inc. | Coaxial connector assembly |
| DE3704873A1 (en) * | 1987-02-16 | 1988-08-25 | Dunkel Otto Gmbh | CONTACT SETUP |
-
1989
- 1989-04-13 US US07/337,363 patent/US4929188A/en not_active Expired - Fee Related
- 1989-09-29 CA CA000615094A patent/CA1315857C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9502824B2 (en) | 2014-05-23 | 2016-11-22 | Itt Manufacturing Enterprises, Llc | Electrical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| US4929188A (en) | 1990-05-29 |
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| MKLA | Lapsed | ||
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