WO2005050790A1 - Ensemble boitier pour un connecteur d'une paire de connexion electrique - Google Patents

Ensemble boitier pour un connecteur d'une paire de connexion electrique Download PDF

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Publication number
WO2005050790A1
WO2005050790A1 PCT/EP2004/012037 EP2004012037W WO2005050790A1 WO 2005050790 A1 WO2005050790 A1 WO 2005050790A1 EP 2004012037 W EP2004012037 W EP 2004012037W WO 2005050790 A1 WO2005050790 A1 WO 2005050790A1
Authority
WO
WIPO (PCT)
Prior art keywords
retaining ring
arrangement according
ring
housing arrangement
housing
Prior art date
Application number
PCT/EP2004/012037
Other languages
German (de)
English (en)
Inventor
Markus Bihrer
Original Assignee
U.I. Lapp Gmbh
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 U.I. Lapp Gmbh filed Critical U.I. Lapp Gmbh
Priority to EP04790823A priority Critical patent/EP1685628A1/fr
Publication of WO2005050790A1 publication Critical patent/WO2005050790A1/fr

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/508—Bases; Cases composed of different pieces assembled by a separate clip or spring
    • 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
    • H01R13/622—Screw-ring or screw-casing

Definitions

  • the invention relates to a housing arrangement for a plug of an electrical plug connection, comprising a housing body with a housing axis, a coupling sleeve to be placed on the housing body in an axial mounting direction with coupling formations for coupling the plug to a mating plug of the plug-in pair, and a retaining ring which is inserted into a receiving groove of a first of the two components: housing body and coupling sleeve is to be inserted and immersed in the final assembly state of the plug to secure the coupling sleeve against being pulled off the housing body into a recess of the other, second of the two components.
  • a plug is understood here to mean any component that is set up to be plugged together with a suitable mating plug in order to establish an electrical connection. It doesn't matter what type of
  • Contact elements of the plug is executed, for example with contact pins, contact sockets, contact springs or the like, and the number of such contact elements are provided in the plug.
  • a metallic snap ring with a circular or rectangular cross section serves as the retaining ring.
  • the snap ring is inserted into a receiving groove running in a ring around the outer circumference of the housing body. It has a shape slightly different from a circular shape, for example an oval or slightly elliptical shape. Its circumferential contour is specially designed so that the snap ring, when inserted into the receiving groove of the housing body, projects radially from the receiving groove at one or more circumferential locations.
  • these protruding circumferential regions protrude into an inner circumferential annular groove of the coupling sleeve and thus prevent the coupling sleeve from being able to be pulled off the housing body.
  • the detonation (slot) of the snap ring makes it possible to install the connector Press the snap ring together radially so that it is completely immersed in the groove in the housing body. The coupling sleeve can then be pushed onto the housing body. As soon as the coupling sleeve with said ring groove comes over the snap ring, the snap ring springs back radially outwards and engages in the ring groove of the coupling sleeve.
  • a disadvantage of the known solution is that when the plug is assembled, the snap ring must be pressed together by hand or a suitable tool so that the coupling sleeve can be pushed onto the housing body and moved over the snap ring. This can be very tedious.
  • the object of the invention is to provide a housing arrangement of the type mentioned at the outset, which allows simple assembly.
  • the retaining ring carries a locking lip arrangement with at least one flexibly deflectable locking lip which, when the retaining ring is properly inserted into the receiving groove, protrudes from the receiving groove in such a way that the at least one locking lip first of all when the coupling sleeve is placed on the housing body second component is pushed away and finally resiliently into the recess of the second Component snaps into place.
  • the second component can automatically push away the latching lip due to its flexibility and thus move past the latching lip when the coupling sleeve is placed on the housing body.
  • the receiving groove for the retaining ring can either on the outer circumference of the
  • the latching recess is then correspondingly formed either on the inner circumference of the coupling sleeve or on the outer circumference of the housing body.
  • the latching lip can extend over at least part of the circumferential length of the retaining ring and, when viewed in an axial plan view, can be curved in a circular arc.
  • the locking lip arrangement can have a single locking lip which extends at least approximately over the entire circumferential length of the retaining ring.
  • the locking lip arrangement can also have a plurality of locking lips distributed in the circumferential direction of the retaining ring.
  • the retaining ring for forming the latching lip arrangement has, when viewed in an axial section, an annular wall portion which extends obliquely to an annular axis of the retaining ring at an acute angle, which is free at one axial end and is slotted at at least one circumferential point.
  • an inclined ring wall section can be used to form one or more locking lips, the free lip ends of which lie in the region of the free end of the ring wall section.
  • the ring wall section is only slotted at one point, a single locking lip can be formed, which can extend substantially over the entire circumferential length of the retaining ring.
  • the inclined annular wall section is preferably essentially conical.
  • a cone angle of the ring wall section between 10 and 20 degrees with respect to the ring axis of the retaining ring has proven to be favorable in order to ensure that the coupling sleeve can be pushed easily onto the housing body.
  • the oblique ring wall section will widen radially outwards towards its free end or taper radially inwards.
  • a particularly good elastic deflectability of the locking lip arrangement can be achieved between the transitional area between the oblique ring wall section and adjacent areas of the retaining ring.
  • the retaining ring can have a radially projecting ring nose, which is assigned to a channel recess formed at the base of the receiving groove.
  • the ring lug can ensure a secure hold of the retaining ring in the receiving groove of the housing body, in particular if the channel recess is at least partially substantially complementary to the ring lug.
  • the ring nose can also have an indexing function, which ensures that the retaining ring is properly inserted into the receiving groove, that is to say with the prescribed axial orientation. If the retaining ring is to be inserted into a receiving groove on the outer circumference of the housing body, the ring lug expediently protrudes radially inward and adjoins an end region of the oblique ring wall section of smaller diameter.
  • the retaining ring in which the retaining ring is to be inserted into a receiving groove on the inner circumference of the coupling sleeve Ring nose expediently radially outwards and adjoins a larger diameter end region of the oblique ring wall section.
  • the latching recess can be designed as an annular groove which, when viewed in an axial section in at least approximately the same shape as the contour of the oblique ring wall section, has an obliquely, in particular conically, extending bottom.
  • Such a design of the latching recess allows the latching lip arrangement to lie flat against the bottom of the latching recess. This is advantageous in order to achieve a uniform contact of the retaining ring in the circumferential direction on the second component without local pressure peaks which can lead to increased abrasion and wear.
  • the retaining ring can be completely severed at a peripheral point.
  • the separating point is preferably delimited by opposing separating point delimiting surfaces of the retaining ring, which run obliquely with respect to an axial longitudinal plane containing the ring axis and passing through the separating point.
  • the slope of the interface delimitation surfaces is favorable for a jerk and tilt-free, easy rotation of the retaining ring relative to the housing body and / or the coupling sleeve.
  • Plastic is preferred as the material for the retaining ring, although other materials, such as metal, are not fundamentally excluded.
  • the plastic can contain a lubricant, which further improves the smoothness of the rotatability of the retaining ring with respect to the housing body and / or the coupling sleeve. Even after a long period of time, there is no fear of abrasion.
  • the retaining ring itself can ensure the electrical connection of the housing body and the coupling sleeve.
  • an electrically conductive plastic material can be used for the retaining ring. It is the same possible that the retaining ring has a galvanically applied coating made of electrically conductive material.
  • the coupling sleeve and the housing body are preferably rotatably coupled relative to one another by the retaining ring. Then the connection of the plug and the mating connector of the mating pair can be made by screwing, for which purpose the coupling formations of the coupling sleeve expediently comprise an internal thread which can be screwed to an external thread of the mating connector.
  • Figure 1 in a schematic, partially sectioned representation of an embodiment of a connector housing for a plug of an electrical connector pair
  • FIG. 2 shows a perspective view of a retaining ring used in the plug housing of FIG. 1;
  • Figure 3 shows a variant of the retaining ring of Figure 2
  • FIG. 4 shows an enlarged section of the plug housing of FIG. 1 in an exploded and sectioned illustration
  • FIG. 5 shows an enlarged view of part of the retaining ring from FIG. 2,
  • Fig. 6 shows another variant of a retaining ring for a connector housing according to the invention.
  • FIG. 1 shows a connector housing 10 of a connector of an electrical connector pair, generally designated 12 and designed as a circular connector.
  • electrical contacts are accommodated in a manner not shown, which come into electrical contact with corresponding mating contacts of the mating connector 14 when the connector 12 is connected to a mating connector 14 indicated by dashed lines.
  • the electrical contacts of the plug 12 can, for example, be contact pins or contact sockets which are held in a contact carrier inserted into the plug housing 10.
  • the plug housing 10 is composed essentially of a sleeve-shaped housing body 16 and a likewise sleeve-shaped coupling nut 20 which is held on the housing body 16 by means of a retaining ring 18.
  • the retaining ring 18 provides for a coupling of the housing body 16 and the coupling nut 20 that is rotatable relative to one another about a housing axis 22.
  • the coupling nut is designed with an internal thread 24 with which it is used to secure the plug connection between the plug 12 and the mating plug 14 to an external thread 26 of the mating plug 14 is detachably screwable.
  • the coupling nut 20 When the coupling nut 20 is screwed onto the mating connector 14, the mating connector 14 is pulled axially towards the housing body 16 of the connector 12, whereby either the electrical contacts of the connector 12 are only contacted with the mating contacts of the mating connector 14 or already in the course of a previous mating of the connector 12 and the mating connector 14, initial contacting of the contacts of the connector 12 with the mating contacts of the mating connector 14 is strengthened or deepened.
  • the coupling nut 20 can be provided on its outer circumference with an anti-slip knurling, which facilitates the screwing of the coupling nut 20 with the mating connector 14.
  • the coupling nut 20 is placed in an axial mounting direction 28 on an axial end portion 30 of the housing body 16.
  • the coupling nut 20 is pushed onto the housing body 16 until the retaining ring 18 resiliently in one on the inner circumference of the Coupling nut 20 snaps into the form of an annular groove.
  • FIG. 4 The mentioned recess is designated 32 there.
  • Its leading edge 34 in the mounting direction 28 forms an axial shoulder which serves as a stop for the retaining ring 18 and prevents the coupling nut 20 from being able to be removed from the housing body 16 against the mounting direction 28 after proper installation.
  • the retaining ring 18 engages in the latching recess 32 and lies opposite the axial shoulder 34 with an axially directed latching surface 36.
  • the coupling nut 20 also has on its inner circumference an annular projection 38 which is formed at an axial distance from the latching recess 32 and which forms an abutment surface 40 directed axially against the shoulder 34. In the final assembly state of the plug 12, the coupling nut 20 lies with this stop surface 40 of an axial end face 42 of the end section 30 of the
  • the retaining ring 18 is inserted into a receiving groove 44 which is annular in shape on the outer circumference of the housing body 16.
  • the receiving groove 44 has a groove bottom 46, into which a groove-shaped depression 48 is formed which extends over the entire groove circumference. As can be seen in FIG. 4, the recess 48 is located in the region of the front axial end of the receiving groove 44 in the mounting direction 28.
  • the retaining ring 18 is designed with an annular nose 50 that is essentially complementary to the recess 48 and that is formed when the retaining ring 18 is inserted comes to rest in the receiving groove 44 in the recess 48.
  • the interaction of the ring nose 50 and the Indentation 48 ensures secure axial positioning of the retaining ring 18 in the receiving groove 44 and also ensures that the retaining ring 18 is inserted into the receiving groove 44 in the correct axial orientation.
  • the retaining ring 18 also has an annular wall region 52 which widens conically in the mounting direction 28 and is lip-like in the axial longitudinal section and which forms a locking lip arrangement of the retaining ring 18.
  • the wall area 52 adjoins the ring nose 50 in the area of its smaller end. Its larger diameter end is designed as a free end.
  • the free end of the wall region 52 projects obliquely out of the receiving groove 44.
  • Its outer surface forms a run-up slope 54 for the coupling nut 20.
  • the coupling nut 20 runs onto this run-up slope 54 when it is placed onto the housing body 16 from the side of the end face 42 with a nut end 56 leading in the mounting direction 28.
  • the cone angle ⁇ of the wall region 52 with respect to the ring axis of the retaining ring 18, which coincides with the housing axis 22 when the retaining ring 18 is inserted in the receiving groove 44, should be selected such that a comparatively smooth running of the
  • Coupling nut 20 on the retaining ring 18 is made possible.
  • This cone angle is preferably between 10 ° and 20 °, for example approximately 15 °.
  • the latching of the wall area 52 in the latching recess 32 can be associated with an audible noise, such as a click, so that the fitter receives an acoustic signal that signals that the assembly was correct and correct. If the coupling nut 20 presses the wall area 52 of the retaining ring 18 radially inward when it is placed on the housing body 16, the ring nose 50 preferably remains essentially unchanged in the recess 48 of the receiving groove 44.
  • the retaining ring 18 on its inner circumferential side in the transition region between the ring nose 50 and the wall region 52 has an indentation 58, in particular a circular arc.
  • the material thickness of the retaining ring 18 is locally reduced by the indentation 58, which ensures a certain flexibility of the wall area 52 as a whole relative to the ring nose 50.
  • the flexible deflectability of the wall region 52 can be based, at least in part or even predominantly, on such an articulation with respect to the ring nose 50.
  • the wall area 52 itself can then be made comparatively thick and stiff, which enables a high holding force in the locked state.
  • the flexible deflectability of the wall area 52 can also be based at least in part or even predominantly on the inherent elasticity of the wall area 52.
  • the depth of the receiving groove 44 in the areas adjoining the recess 48 is selected such that a sufficiently deep immersion of the wall area 52 in the receiving groove 44 is made possible when the coupling nut 20 is pushed onto the housing body 16.
  • the groove base 46 of the receiving groove 44 can be increasingly deepened in its area adjoining the recess 48 in the mounting direction 28, as indicated in FIG. 4.
  • this area of the groove base 46 it is also possible to design this area of the groove base 46 with a constant depth.
  • the bottom of the latching recess 32 can be tapered in accordance with the conicity of the wall area in the mounting direction 28, the cone angle of the bottom 60 being either approximately equal to the cone angle ⁇ of the wall area 52 or somewhat smaller than the cone angle ⁇ ,
  • the conically recessed shape of the latching recess 32 allows the retaining ring to hug the surface 60 of the latching recess 32 in the final assembly state of the plug 12
  • FIG. 2 shows an embodiment of the retaining ring 18 in a perspective view. It can be seen that the retaining ring 18 is severed at a separation point denoted by 62, but otherwise has no slots. The wall area 52 thus forms a single one over the entire circumferential length of the
  • Retaining ring 18 extending locking lip which is designated 64 here.
  • the retaining ring 18 is designed with a circular contour both on the inner circumferential side and on the outer circumferential side. So it does not have a circumferential contour that deviates from a circular shape, like spring rings in conventional solutions. This allows that the retaining ring 18 in the final assembly state of the connector 12 on the
  • Such a uniform contact can be further favored by a sufficiently inherently elastic material of the retaining ring 18. It is advantageous in a large-area contact of the retaining ring 18 on the coupling nut 10 and on the housing body 16 that there is no fear of chip formation due to local abrasion. Shavings could in fact impair the smooth running of the connection between the coupling nut 20 and the housing body 16 and also get into the screw thread 24 of the coupling nut 20, where they can be a hindrance when the coupling nut 20 is screwed onto the mating connector 14.
  • the retaining ring 18 has a plurality of slots 66 machined approximately uniformly in the circumferential direction into the wall region 52, through which slots 66, which each extend only over part of the circumferential length of the retaining ring 18, are formed.
  • the slots 66 are open towards the free end of the wall area 52 and can penetrate the retaining ring 18, for example, almost into the area in which the ring nose 50 adjacent to the wall area 52.
  • Each of the locking lips 64 forms a locking surface 36 at its free lip end.
  • the separation point 62 of the retaining ring 18 is shown enlarged.
  • the separation point 62 is delimited by opposite separation point delimitation surfaces 68 which run parallel to one another.
  • the interface delimitation surfaces 68 are oriented such that they diverge in an axial direction with respect to a ring axis 70 of the retaining ring 18, the interface delimitation surfaces 68 diverging from the ring nose 50 of the retaining ring 18 toward the free end of the wall area 52 in the example of FIG. 5.
  • the separating point boundary surfaces 68 run axially obliquely with respect to an imaginary axial longitudinal plane that contains the ring axis and passes through the separating point 62. In the case of the viewing direction in FIG.
  • the retaining ring 18 can be manufactured in a technically simple and inexpensive manner from a plastic material, for example by injection molding. A lubricant can be integrated into the plastic material, so that separate lubrication as with conventional snap rings is not necessary.
  • the assembly of the coupling nut 20 on the housing body 16 is effortless because the coupling nut 20 automatically presses the retaining ring 18 radially inward and so no special tool for compressing the retaining ring 18 is required.
  • the choice of a plastic material for the retaining ring 18 is also advantageous because the retaining ring 18 can have a lower hardness than the materials of the coupling nut 20 and the housing body 16, which are often made of metal.
  • the retaining ring 18 scrapes chips from the coupling nut 20 or from the housing body 16.
  • the retaining ring 18 can be made of an electrically conductive material, in particular Plastic material, or be coated with an electrically conductive layer by electroplating.
  • the ring nose 50a is arranged in the region of the larger diameter end of the retaining ring 18a and points radially outwards.
  • the receiving groove 44a is formed on the inner circumference of the coupling nut 20a, while the housing body 16a carries the latching recess 32a on its outer circumference.
  • the at least one locking lip 64a protrudes radially inward from the receiving groove 44a.
  • the coupling nut 20a is pushed onto the housing body 16a, the at least one latching lip 64a is pressed radially outward from the housing body 16a, as a result of which the housing body 16a can move past the retaining ring 18a.
  • the housing body 16a with its latching recess 32a reaches the axial location of the retaining ring 18a, the latter snaps back radially inward and engages in the latching recess 32a.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Ensemble boîtier pour un connecteur d'une paire de connexion électrique, qui possède un corps (16) pourvu d'un axe (22) ainsi qu'une douille de couplage (20) destinée à être installée sur le corps dans un sens d'installation axial (28). La douille de couplage sert à coupler le connecteur avec un connecteur correspondant de la paire de connexion. Une bague de retenue (18) destinée à être installée dans une rainure réceptrice (44) ménagée dans le premier des deux composants que sont le corps et le manchon de couplage (18) sert à fixer le manchon de couplage de manière qu'il ne puisse pas être ôté du corps par traction. A cet effet, ladite bague pénètre par encliquetage, à l'état de montage final du connecteur, dans un évidement d'encliquetage (32) du second des deux composants. Pour que le connecteur soit facile à monter, la bague de retenue porte un ensemble lèvre d'encliquetage comportant au moins une lèvre d'encliquetage souple pouvant être déviée. Lorsque la bague de retenue est installée correctement dans la rainure réceptrice, la lèvre d'encliquetage fait saillie par rapport à ladite rainure de manière telle que lors de l'installation du manchon de couplage sur le corps, la bague de retenue est d'abord poussée dans une direction opposée au second composant, puis encliquetée par force de ressort dans l'évidement d'encliquetage dudit second composant. De préférence, l'ensemble lèvre d'encliquetage est formé par un segment de paroi annulaire (52) à évasement conique de la bague de retenue qui est fendue sur au moins un site périphérique.
PCT/EP2004/012037 2003-11-18 2004-10-25 Ensemble boitier pour un connecteur d'une paire de connexion electrique WO2005050790A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04790823A EP1685628A1 (fr) 2003-11-18 2004-10-25 Ensemble boitier pour un connecteur d'une paire de connexion electrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003153886 DE10353886B3 (de) 2003-11-18 2003-11-18 Gehäuseanordnung für einen Stecker einer elektrischen Steckpaarung
DE10353886.0 2003-11-18

Publications (1)

Publication Number Publication Date
WO2005050790A1 true WO2005050790A1 (fr) 2005-06-02

Family

ID=34042295

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/012037 WO2005050790A1 (fr) 2003-11-18 2004-10-25 Ensemble boitier pour un connecteur d'une paire de connexion electrique

Country Status (3)

Country Link
EP (1) EP1685628A1 (fr)
DE (1) DE10353886B3 (fr)
WO (1) WO2005050790A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8337111B2 (en) * 2009-12-08 2012-12-25 GM Global Technology Operations LLC Axial retention assembly
DE102009058722B4 (de) * 2009-12-17 2017-10-05 Amphenol-Tuchel Electronics Gmbh Steckverbinder mit einer drehfedergelagerten Überwurfmutter
DE202011050026U1 (de) * 2011-05-03 2012-08-13 Coninvers Gmbh Spielfreie nachstellende axiale Verbindung zweier Steckverbindergehäuseteile
DE102011050455B4 (de) 2011-05-18 2020-04-23 Turck Holding Gmbh Sensoranordnung mit zwei gegeneinander drehbaren Gehäuseteilen
EP2827457A1 (fr) * 2013-07-18 2015-01-21 Spinner GmbH Connecteur RF rotatif avec écrou de couplage
DE102013216524B3 (de) * 2013-08-21 2014-10-02 Ifm Electronic Gmbh Druckmessumformer mit verdrehbarer Gehäusehülse
DE102017101870A1 (de) 2017-01-31 2018-08-02 Harting Electric Gmbh & Co. Kg Steckverbindergehäuse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413875A (en) * 1981-09-23 1983-11-08 Matrix Science Corporation Connector retaining apparatus
DE8903769U1 (fr) * 1989-03-25 1989-05-24 Souriau Electric Gmbh, 4006 Erkrath, De
DE9104985U1 (fr) * 1991-04-23 1991-08-22 Interconnectron Gmbh, 8360 Deggendorf, De

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Publication number Priority date Publication date Assignee Title
DE19743212C1 (de) * 1997-09-30 1999-02-11 Siemens Ag Elektrische Steckerkupplung
DE29719217U1 (de) * 1997-10-30 1998-02-19 Hengstler Peter Gmbh & Co Kg Mehrpoliger Steckverbinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413875A (en) * 1981-09-23 1983-11-08 Matrix Science Corporation Connector retaining apparatus
DE8903769U1 (fr) * 1989-03-25 1989-05-24 Souriau Electric Gmbh, 4006 Erkrath, De
DE9104985U1 (fr) * 1991-04-23 1991-08-22 Interconnectron Gmbh, 8360 Deggendorf, De

Also Published As

Publication number Publication date
EP1685628A1 (fr) 2006-08-02
DE10353886B3 (de) 2005-02-10

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