US3328743A - Quick disconnect-electrical - Google Patents

Quick disconnect-electrical Download PDF

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Publication number
US3328743A
US3328743A US376824A US37682464A US3328743A US 3328743 A US3328743 A US 3328743A US 376824 A US376824 A US 376824A US 37682464 A US37682464 A US 37682464A US 3328743 A US3328743 A US 3328743A
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United States
Prior art keywords
grooves
members
finger
assembled
relation
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 - Lifetime
Application number
US376824A
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English (en)
Inventor
Jerry E Acord
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Corp
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Northrop Grumman Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northrop Grumman Corp filed Critical Northrop Grumman Corp
Priority to US376824A priority Critical patent/US3328743A/en
Priority claimed from FR94851A external-priority patent/FR1511368A/fr
Priority to BE694337D priority patent/BE694337A/xx
Application granted granted Critical
Publication of US3328743A publication Critical patent/US3328743A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H01R13/633—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 disengagement only
    • H01R13/635—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 disengagement only by mechanical pressure, e.g. spring force

Definitions

  • This invention pertains to electrical connectors and more particularly to quick disconnect electrical connectors including a pair of major portions embodying means normally functioning to retain the major portions in firm mating relation and providing an electrical flow path therethrough and subsequently allowing separation thereof and discontinuance of the flow path therethrough upon application of certain predetermined forces.
  • the present connector is illustrated as being utilized to provide a plurailty of electrical circuits between a missile and an electrical power source of an airplane (not shown) by which the connector is carried aloft.
  • the present connector has many other applications and may be utilized in any situation in which the continuity of an electrical current is necessary and subsequently the abrupt discontinuance thereof is required.
  • An object of the present invention is to provide a quick disconnect electrical connector the major components of which normally separate in response to opposing forces acting thereon in an axial direction. Another object is to provide a quick disconnect electrical connector comprising a pair of major components, the components having assembled and disassembled relations in which they have a firm mating and a separated relation, respectively, and when separated can be urged into their assembled relation either by an angular or a straight line movement.
  • Another object is to provide a quick disconnect electrical connector having a minimum number of working parts.
  • Another object is to provide a quick disconnect electrical connector which because of its simplicity is especially free of malfunctioning tendencies.
  • FIGURE 1 is a fragmentary side elevational view of an aircraft nacelle adapted to support a plurality of bombs and utilizing the quick disconnect electrical connector as disclosed herein.
  • FIGURE 2 is a sectional view of the bomb of FIGURE 1 viewed along the line 22 of the latter figure.
  • FIGURE 3 is a sectional view of the connector of FIGURE 2 as viewed along the line 33 of the latter figure.
  • FIGURE 4 is a fragmentary perspective view of the connector of FIGURES 2 and 3 showing the assembled relationship of certain components thereof.
  • FIGURE 5 is an exploded view of the electrical connector of FIGURES 2 and 3.
  • FIGURE 1 a bomb 11 is shown attached to a nacelle 12 of an aircraft (not shown).
  • An electrical connector 14 of the type disclosed herein is utilized to transmit electrical signals to the bomb 11 and subsequently functions to allow separation of all electrical connections thereto at such time as the bomb is dispensed from the nacelle 12.
  • the embodiment of the electrical connector 14 includes two major portions 16 and 17, the portions 16 and 17-as best seen in FIGURES 2 and 3are hereinafter referred to as the male and female end portions of the connector 14.
  • Each of the portions 16 and 17 include cylindrical sleeve-like members 18 and 19, respectively.
  • Inserts 21 and 22, constructed of rubber or other resilient-like material, are contained in the members 18 and 19, respectively.
  • Miniature receptacles 23 are moulded in the insert 22 and pin means 24 are moulded in the insert 21, the latter being received in respective receptacles at such time as the connector 14 is assembled.
  • the inserts 21 and 22 are of conventional construction, the receptacles 23 and pin means 24 function in a normal manner to provide electrical flow paths through the connector 14.
  • the inserts 21 and 22 in their assembled relation function to provide a seal precluding the possibility of moisture contacting and shorting the flow paths referred to above.
  • the member 19 includes an external flange portion 26 at approximately the mid-portion thereof when considered in a longitudinal direction whereby the member 19 may be secured to the outer Wall of the bomb 11.
  • the lower end of the member 19 is threaded providing means for receiving an apertured cap (not shown), its (member 19) upper end is counterbored thereby providing an annular space therebetween and the upper end of the insert 22.
  • Three equally spaced pins 31 are provided on the member 19 and project radially outward therefrom at 10- cations above the flange- 26, the pins 31 functioning in a manner that will become obvious as the disclosure progresses.
  • the member 18 when considered longitudinally-carries an externally formed annular flange 27 at approximately the midpoint thereof.
  • the portion of the member 18 above the flange 27 (FIGURE 3) is externally threaded as indicated by the numeral 28.
  • the flange 27 bottoms on the upper end of the member 19 or approximately so.
  • a gasket 29 is provided between the members 18 and 19.
  • a plurality of longitudinally extending projections 32 (FIGURE 5) are provided on the member 18 and project externally from the outer surface thereof below the flange 27, a plurality of corresponding grooves (not shown) are provided in the upper end of the member,1'9.
  • the projections 32 and corresponding. grooves (-not shown) function in a conventional manner to insure the proper angular relationship between the pins 24 and receptacles 23 at such time as components comprising the connector 14 are assembled.
  • a band-like member 33 in its assembled relation, has a surrounding relation with respect to the member 19.
  • the member 33 carries an internally extending flange 34 at its upper end as viewed in FIGURE 3.
  • Three equally spaced slots 36 are provided internally thereof. Extending between each of the slots 36 is a thread-like groove 37, the grooves cooperating with the pins 31 to provide a camming action during assembly of the connector 14 and functions to urge the portion 16 and 17 into firm contacting relation.
  • the portion of the grooves 37, adjacent the right side edge of the slots 36 as viewed in FIGURE 4, is inclined downwardly as indicated by the numeral 48.
  • An internally recessed annular groove 38 is also provided in the member 33 immediately adjacent and below the flange 34.
  • a spring washer 39 is positioned in the groove 38 and functions in a manner explained during the description of the assembly of the components comprising the connector 1i
  • the washer 39 has three notches 41 provided in the outer periphery thereof, the spring being angularly positioned in the groove 38 so that the notches 41 coincide with the grooves 36.
  • a locking member 42 mates with the band-like member 33.
  • the upper portion of the member 42 includes an annular portion having three finger members '43 extending longitudinally therefrom, the finger members being equally spaced about the annular portion.
  • the members 43 are of a size and shape allowing them to be slideably received in the slots 36, their thickness is such that their inner surfaces have a flush relation with the innermost surface of the member 33 when the two are in their assembled relation.
  • a semicircular groove 45 is provided in the right edge of each of the finger members 43 as viewed in FIGURE 4. These grooves (grooves 45) are located at the outer end of the finger members and function in a manner presently explained.
  • a wire wound compression spring 44 and a ring nut 46, the latter has an outwardly extending annular flange 47 at its upper end.
  • Internal threads 28', adapted to engage the threads 28, are provided on the member 46.
  • the spring 39 is first positioned in the groove 38 and oriented so that the notches 41 coincide with the slots 36.
  • the finger members 43 of the member 42 are then inserted in the slots 36 and urged therein until the lower surface of the annular portion of the member 42 bottoms on the member 33, this position is hereinafter referred to as the bottomed position of the member 42.
  • the member 33 and the end portion of each finger member 43 has a special relation with respect to the grooves 37.
  • the left-hand end edge portion of the finger member 43 provides a continuation of the groove 37 while the right-hand end edge portion, although slightly rounded, as i indicated by the numeral 35, extends below the adjacent grooves 37.
  • the right-hand side edge of the finger members 43 efiectively closes the grooves 37 and blocks travel of the pins 31 therein. Also it is pointed out that the grooves 37, immediately adjacent the right side of the finger member 43, is inclined downwardly. It is in the above mentioned inclined portion of the grooves, indicated by the numeral 48 (FIGURE 4), that the pin members 31 come to rest at such time as the portions 16 and 17 are assembled to provide the connector 14.
  • the position of the finger members as shown in FIGURE 4 is referred to as their extended position, the extended position of the finger members corresponding to the bottomed position of the member 42.
  • the components 33, 39 and 42, assembled as described above, are now positioned in surrounding relation with respect to the sleeve member 18.
  • the spring 44 is positioned in the annular space between the members 42 and 46.
  • the relation of the members 33, 42 and 44 is maintained and secured to the member 18 by the ring nut 46 which is positioned substantially as shown in FIGURE 3 with the threads 28', engaging the threads 28 on the member 18.
  • the member 42 may be raised, within limits allowed by the spring 44, with respect to the member 33, and this position of the member 42 is referred to as its spaced position.
  • the male and female portions 16 and 17 are now positioned in spaced axial alignment; during this operation the relative angular relation of the pins 24, with respect to the receptacles 23, is insured by the projections 32 being received in the aforementioned grooves (not shown). Subsequently, the portions 16 and 17 are brought into firm contacting relation either by rotational movement of the members 33 and 42 or by application of opposing forces applied in an axial direction.
  • the connector 14 embodies means requiring only a straight line force applied in an axial direction to effect its assembly.
  • an indicating mark is provided on the end of the member 33 indicated by the numeral 40.
  • these members are rotated with respect to the member 18 until the indicating mark is located directly opposite a corresponding mark on or a part of the member 18, for example-the largest of the projections 32.
  • This operation insures, with the projections 32 mating with the aforementioned grooves (not shown) in the member 15?, that the pins 31 will contact the finger members 43 directly below the rounded portion 35.
  • a multiple cable 50 containing a plurality of Wires the ends of which are individually attached to respective pins 24 of the connector 14, passes up through the nacelle 12 to the power source of the aforementioned aircraft (not shown).
  • One end of a pair of lanyard cords 4949 are attached to the ring portion of the locking member 42 and the other ends to fixed structurefor example, the lower wall of the nacelle 12.
  • the bomb 11 is retained in position on the nacelle 12 by a device similar to that shown in our copending application entitled Attach and Ejection Mechanism, filed Apr. 27, 1964, and now Patent No. 3,242,808.
  • the pins 24 will be pulled from their respective receptacles 23 and electrical signals will no longer be transmitted to the bomb 11.
  • the apertures 51 in the member 33 provide visual observation as to the location of the pins 31 and therefore provide assurance that components comprising the connector 14 have assumed their proper relationship when assembled.
  • An electrical quick disconnect connector comprising:
  • sleeve means defining a plurality of helical-like grooves having upper and lower edges and slot means interrupting said grooves;
  • locking means including an annular portion having finger means extending therefrom;
  • grooves include major and minor portions, said minor portions sloping oppositely with respect tosaid major portions and 'being located adjacent said finger means in the assembled relation of sleeve and locking means on said first and second members and with the latter members drawn into said firm relation.
  • each of said end edges including at least two distinct portions, one of said portions constituting an extension of the upper edge of said grooves at such time as said sleeve and locking means are assembled and said finger means are in said extended positions.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
US376824A 1964-06-22 1964-06-22 Quick disconnect-electrical Expired - Lifetime US3328743A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US376824A US3328743A (en) 1964-06-22 1964-06-22 Quick disconnect-electrical
BE694337D BE694337A (xx) 1964-06-22 1967-02-20

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US376824A US3328743A (en) 1964-06-22 1964-06-22 Quick disconnect-electrical
FR94851A FR1511368A (fr) 1967-02-14 1967-02-14 Dispositif de connexion électrique à déconnexion rapide

Publications (1)

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US3328743A true US3328743A (en) 1967-06-27

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US376824A Expired - Lifetime US3328743A (en) 1964-06-22 1964-06-22 Quick disconnect-electrical

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BE (1) BE694337A (xx)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468078A (en) * 1982-07-28 1984-08-28 The Bendix Corporation Forwardly removable coupling ring for an electrical connector
US4620759A (en) * 1983-06-15 1986-11-04 Trw Inc. Preloaded electrical connector utilizing angularly grouped pawls for both indexing and latching of plug and receptacle components
US4645282A (en) * 1986-02-28 1987-02-24 Allied Corporation Releasing electrical connector assembly
US4695109A (en) * 1986-08-28 1987-09-22 Allied Corporation Quick release connector
US4950174A (en) * 1989-02-21 1990-08-21 The United States Of America As Represented By The Secretary Of The Air Force Field separable ordnance stepover bracket
US6713711B2 (en) 2001-11-09 2004-03-30 Thermal Dynamics Corporation Plasma arc torch quick disconnect
US20040175977A1 (en) * 2002-12-17 2004-09-09 John Eaton Electrical connector
US20060077031A1 (en) * 2004-10-12 2006-04-13 Grace Lee Concealed adjustable temperature switch
WO2006081820A1 (en) * 2005-02-01 2006-08-10 Terma A/S Uncoupling mechanism for male and female connectors
US20070096862A1 (en) * 2005-11-01 2007-05-03 Grace Lee Concealed adjustable temperature switch
US9774139B1 (en) * 2016-03-22 2017-09-26 Jeffrey M. Dominique Controlled shear point wiring adapter
US10615539B1 (en) * 2016-04-04 2020-04-07 Radiall Connection system with a bayonet-type locking device adapted to allow a quick disconnecting operation
US10790615B2 (en) 2018-12-28 2020-09-29 Raytheon Company Cable quick connector adapter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9224346D0 (en) * 1992-11-20 1993-01-13 Itt Ind Ltd Improvements relating to coupling/de-coupling arrangements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1871370A (en) * 1927-06-07 1932-08-09 Adams Ind Inc Coupling terminal for conduits
US2795438A (en) * 1954-04-23 1957-06-11 Oetiker Hans Pin-detent swivel coupling with locking means
US3049690A (en) * 1961-06-05 1962-08-14 Frederick J Sparber Quick disconnect electrical connector
US3063032A (en) * 1959-11-24 1962-11-06 Bendix Corp Separable connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1871370A (en) * 1927-06-07 1932-08-09 Adams Ind Inc Coupling terminal for conduits
US2795438A (en) * 1954-04-23 1957-06-11 Oetiker Hans Pin-detent swivel coupling with locking means
US3063032A (en) * 1959-11-24 1962-11-06 Bendix Corp Separable connector
US3049690A (en) * 1961-06-05 1962-08-14 Frederick J Sparber Quick disconnect electrical connector

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468078A (en) * 1982-07-28 1984-08-28 The Bendix Corporation Forwardly removable coupling ring for an electrical connector
US4620759A (en) * 1983-06-15 1986-11-04 Trw Inc. Preloaded electrical connector utilizing angularly grouped pawls for both indexing and latching of plug and receptacle components
US4645282A (en) * 1986-02-28 1987-02-24 Allied Corporation Releasing electrical connector assembly
US4695109A (en) * 1986-08-28 1987-09-22 Allied Corporation Quick release connector
EP0257846A2 (en) * 1986-08-28 1988-03-02 Amphenol Corporation Quick release connector
EP0257846A3 (en) * 1986-08-28 1989-03-15 Amphenol Corporation Quick release connector
US4950174A (en) * 1989-02-21 1990-08-21 The United States Of America As Represented By The Secretary Of The Air Force Field separable ordnance stepover bracket
US6713711B2 (en) 2001-11-09 2004-03-30 Thermal Dynamics Corporation Plasma arc torch quick disconnect
US20040175977A1 (en) * 2002-12-17 2004-09-09 John Eaton Electrical connector
US7097490B2 (en) * 2002-12-17 2006-08-29 Edo Mbm Technology Limited Electrical connector
US20060077031A1 (en) * 2004-10-12 2006-04-13 Grace Lee Concealed adjustable temperature switch
WO2006081820A1 (en) * 2005-02-01 2006-08-10 Terma A/S Uncoupling mechanism for male and female connectors
US20070096862A1 (en) * 2005-11-01 2007-05-03 Grace Lee Concealed adjustable temperature switch
US7372356B2 (en) * 2005-11-01 2008-05-13 Homeease Industrial Co., Ltd. Concealed adjustable temperature switch
US9774139B1 (en) * 2016-03-22 2017-09-26 Jeffrey M. Dominique Controlled shear point wiring adapter
US10615539B1 (en) * 2016-04-04 2020-04-07 Radiall Connection system with a bayonet-type locking device adapted to allow a quick disconnecting operation
US10790615B2 (en) 2018-12-28 2020-09-29 Raytheon Company Cable quick connector adapter

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BE694337A (xx) 1967-07-31

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