EP1037325A2 - Dispositif de serre câble - Google Patents

Dispositif de serre câble Download PDF

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Publication number
EP1037325A2
EP1037325A2 EP00105225A EP00105225A EP1037325A2 EP 1037325 A2 EP1037325 A2 EP 1037325A2 EP 00105225 A EP00105225 A EP 00105225A EP 00105225 A EP00105225 A EP 00105225A EP 1037325 A2 EP1037325 A2 EP 1037325A2
Authority
EP
European Patent Office
Prior art keywords
cable
guide sleeve
cable guide
side section
diameter
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.)
Withdrawn
Application number
EP00105225A
Other languages
German (de)
English (en)
Other versions
EP1037325A3 (fr
Inventor
Werner Wild
Wolfgang Zissler
Reinhold Ringel
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.)
Spinner GmbH
Original Assignee
Spinner 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 Spinner GmbH filed Critical Spinner GmbH
Publication of EP1037325A2 publication Critical patent/EP1037325A2/fr
Publication of EP1037325A3 publication Critical patent/EP1037325A3/fr
Withdrawn legal-status Critical Current

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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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing
    • H01R13/5829—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing the clamping part being flexibly or hingedly connected to the housing
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire

Definitions

  • the invention relates to a device for strain relief, mechanical connection of a cable with a connector or another fitting.
  • the invention relates in particular on a strain relief device for plastic-coated Cable for the transmission of electrical or optical signals.
  • strain relief devices are in the prior art known in many embodiments and form in the Usually part of the connector. They are common formed as a bracket or clamps with a corresponding Counterpart until achieving a sufficient Clamping the cable jacket are screwed. Likewise Gagging nipples are known which are squeezed onto the cable sheath and against a stop in the connector issue.
  • Another known solution consists of a Screw sleeve with conical bore, which when screwing in the connector a ring enclosing the cable jacket increasingly compresses radially from elastic material.
  • strain reliefs have the disadvantage that they are in are generally not tool-free, no defined Generate clamping force and especially with thin cables, e.g. Fiber optic cables are ineffective as well as proportionate build big. Often the installation conditions do not allow that Use of tools.
  • the invention has for its object a strain relief device to create at least part of the does not have the aforementioned disadvantages.
  • the proposed strain relief device is therefore a separated from the respective connector or the like separate part that is basically any mechanical connection with depending on the cable type and application different connectors is formed.
  • the Strain relief device in turn comprises only two parts simple form, e.g. in the injection molding process Have plastic manufactured inexpensively.
  • the lock and Unlocking is possible without tools.
  • In the locked Position is a design clamping force exercised the sheath of the cable, so that on the one hand a sufficient strain relief is ensured, on the other hand damage to the electrical conductors or the optical fibers is avoided by excessive radial pressure.
  • strain relief device as of the The respective strain relief device makes a separate part of the fitting universally combinable with different Fittings. This advantage can be dispensed with, so there is of course also a one-piece connection with a housing, in particular an injection molded Plastic housing, into consideration. The latter can be appropriate be divided and optical or electronic Contain components that run over the cable Generate or process signals.
  • the cable guide sleeve in its cable-side Section is axially slotted (claim 2).
  • the Number of axial slots and thus the number of radial resilient segments of the cable guide sleeve can be used on the Material and type of cable can be matched.
  • the at least one area of reduced internal diameter the cable guide sleeve can be ring or ring segment shaped be formed (claim 3).
  • the deformation of the cable jacket then at least largely evenly distributed over the entire scope.
  • the connector-side section of the cable guide sleeve For connecting the strain relief device to the connector can the connector-side section of the cable guide sleeve a thread for screwing to the cable end Have end of the connector (claim 4).
  • the cable guide sleeve has an external thread and the connector have a corresponding internal thread.
  • the locking piece in the unlocked position captive on the cable guide sleeve be held (claim 5).
  • the locking piece have a snap-in inner shoulder that with a protruding ring shoulder of the cable guide sleeve cooperates.
  • the locking piece is preferably locked in the Secured position held on the cable guide sleeve (Claim 6). This can be done in particular by locking be realized, the elasticity of the cable side Section of the cable guide sleeve.
  • a particularly slim design of the strain relief device is characterized in that the cable guide sleeve in their cable-side section near their cable-side End a first cylindrical surface with a first Has diameter that is in the direction of the connector Section connects a conical lateral surface that the Transition to a second cylindrical surface with a second, larger diameter, and that the Locking piece is a sliding sleeve, the lights Inner diameter equal to or larger than the diameter the first lateral surface and smaller than the diameter of the second mating surface of the cable-side section of the cable guide sleeve is (claim 7).
  • a particularly short design is characterized in that the locking piece is a rotating sleeve, the lights Inner diameter is at least above a certain one axial area in the circumferential direction between a smaller one Value and a larger value changes and that changes in the same Range of the outer diameter of the cable-side section the cable guide sleeve in the same direction in the circumferential direction changes so that a rotation of the rotating sleeve in the locked Position the cable-side section of the cable guide sleeve compresses radially (claim 8).
  • the position of the rotating sleeve can relative to the cable guide sleeve at least in the locked Position limited by slings (claim 10).
  • the slings can in particular from a nose on the rotating sleeve and a complementary groove or recess, over a corresponding angular range of Cable guide sleeve extends exist.
  • the strain relief device illustrated in FIGS. 1 to 3 for a schematically represented cable with a Cable sheath 1 and a core 2, which comprises an optical fiber, consists of a cable guide sleeve 10 and a sliding sleeve 20th
  • the cable guide sleeve 10 has a plug-side section 11, the ring flange 11a with subsequent External thread 11b includes. Section 11 is in that only schematically indicated, cable-side end of any Connector 100 screwed in.
  • Section 11 is connected on the cable side (to the left) a section 12.
  • This consists of axial Slits 13 (see FIG. 2) generated segments 14.
  • the segments 14 have approximately the first Third, calculated from the plug-side section 11, radially projecting shoulders 14a and near the radial (here left) end of section 11 protruding shoulders 14b. The shoulders 14b jump not as far as shoulders 14a.
  • the profiles of the Shoulders 14a, 14b and in particular their to rest on the Cable sheath 1 certain areas are designed so that they good adhesion without damaging the cable sheath, but preferably a combined positive and non-positive connection can be created by lightly "digging in”.
  • the graphic The form shown is only an example.
  • the shoulders 14b can be omitted if the increasing tensile forces only are low.
  • the section 12 or its segments 14 have on their cable-side, left end of a ring collar 15 to which a first cylindrical lateral surface 16 connects to the right, which have a conical outer surface 17 and a Locking edge 18 in a second cylindrical lateral surface 19 passes that ends on a ring shoulder.
  • the width of the annular shoulder 21 is approximately equal to the width of the first cylindrical lateral surface 16 section 12 of the cable guide sleeve.
  • the unlocked state shown in FIG. 1 becomes this strain relief device by moving this with a profiled lateral surface 22 sliding sleeve 20 in the direction of the arrow in Fig. 3 in the locked Positioned.
  • the segments 14 compressed so that their segmented ring shoulders 14a, 14b in the cable sheath 1 under partly elastic, partly plastic deformation of the same in the at 1a and 1b Push in or dig in the indicated manner.
  • the strain relief device illustrated in FIGS. 4 to 9 consists of a cable guide sleeve 40 and a sliding sleeve 50.
  • the cable guide sleeve 40 has a plug-side section 41, the ring flange 41a with subsequent External thread 41b includes that for connection to one here Any connector, not shown, is used.
  • Section 41 is connected on the cable side (to the left) a section 42.
  • This consists of axial Slits (see FIG. 5) generated segments 44.
  • the cable guide sleeve in its section 42 radially compressible, preferably elastically compressible.
  • the segments 44 On the inside, the segments 44 have approximately in Half-length of the ring segment-shaped, recessed Shoulders 44a. Their design and function corresponds to Shoulders 14a in the embodiment according to FIGS. 1 to 3.
  • the one on the shoulders 44a to the left, i.e. on the of the side facing away from the connector, subsequent Part of the segments 44 can function as a kink protection for the cable.
  • the section 42 or its segments 44 carry an annular collar 46, which is followed by a jacket section to the left, 5 in the circumferential direction Way is profiled.
  • the thickness of the segments 44 increases that is, from the two side edges towards the apex closed, however, the apex of each segment (44) is in shape a flat groove or trough 48 is formed.
  • Rotating sleeve 50 has a section 51 with an inner profile 51a, the course of which can be seen from FIG. 5. This is followed by an annular groove for receiving the collar 46 of the cable guide sleeve 40.
  • the collar 46 will from a recessed ring shoulder 52 of the rotary sleeve 50 attacked as loss protection.
  • 5 that is Inner profile 51a of section 51 designed so that the inside diameter of the rotary sleeve 50 in the in Figures 4 and 5 position shown at the level of the grooves 43rd between segments 44 to form nasal regions 51b is the smallest and towards the apex of the respective segments 44 increases.
  • This strain relief device is turned by turning it the rotating sleeve 50 into that illustrated in FIGS. 6 and 7, locked position brought.
  • the angle of rotation is in the embodiment with four segments 45 °.
  • the interacting outer profile of the segments 44 and the segments of the inner profile of the rotating sleeve 50 44 compressed so that their segmented ring shoulders 44a in the cable sheath 1 under partly elastic, partly plastic deformation of the same in the one indicated at 1a Push in or dig in.
  • the nose-like areas 51b cause a slight locking the rotating sleeve 50 with the cable guide sleeve 40 both in the unlocked and in the locked Position.
  • Figures 8 and 9 illustrate a further development this embodiment, in which the rotary sleeve 50 in axial Direction is extended by a nose 53, which in a Circumferential groove 49 in the annular flange 41a of section 41 of the Cable guide sleeve 40 engages.
  • the circumferential groove 49 extends only over a corresponding angle of rotation (here 45 °) Circumferential area of the ring flange 41a.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP00105225A 1999-03-17 2000-03-13 Dispositif de serre câble Withdrawn EP1037325A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19911816 1999-03-17
DE19911816 1999-03-17

Publications (2)

Publication Number Publication Date
EP1037325A2 true EP1037325A2 (fr) 2000-09-20
EP1037325A3 EP1037325A3 (fr) 2000-09-27

Family

ID=7901247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105225A Withdrawn EP1037325A3 (fr) 1999-03-17 2000-03-13 Dispositif de serre câble

Country Status (1)

Country Link
EP (1) EP1037325A3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241737A1 (fr) * 2001-03-13 2002-09-18 GIRA GIERSIEPEN GmbH. & CO. KG Appareil électrique avec décharge de traction sans visse
WO2004084359A1 (fr) * 2003-03-15 2004-09-30 Wieland Electric Gmbh Connecteur electrique
WO2006133830A1 (fr) * 2005-06-15 2006-12-21 Hirschmann Automation And Control Gmbh Connecteur solaire dote d'un element de decharge de traction
EP2299547A1 (fr) * 2009-09-16 2011-03-23 Harting Electronics GmbH & Co. KG Boîtier de connecteur à fiche doté d'une connexion de câble intégrée
WO2015086817A1 (fr) * 2013-12-12 2015-06-18 Delphi International Operations Luxembourg S.À R.L. Connecteur electrique muni d'un dispositif de serrage de cable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313780A (en) * 1940-03-29 1943-03-16 Snyder Res Inc Ductile tubing connector
US3861778A (en) * 1974-05-22 1975-01-21 Sola Basic Ind Inc Electrical connector with strain relief
US4874331A (en) * 1988-05-09 1989-10-17 Whittaker Corporation Strain relief and connector - cable assembly bearing the same
US5219304A (en) * 1992-11-23 1993-06-15 Lin Chen H Electrical plug
EP0577035A1 (fr) * 1992-07-03 1994-01-05 Alcatel Components Limited Dispositif serre-câbles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313780A (en) * 1940-03-29 1943-03-16 Snyder Res Inc Ductile tubing connector
US3861778A (en) * 1974-05-22 1975-01-21 Sola Basic Ind Inc Electrical connector with strain relief
US4874331A (en) * 1988-05-09 1989-10-17 Whittaker Corporation Strain relief and connector - cable assembly bearing the same
EP0577035A1 (fr) * 1992-07-03 1994-01-05 Alcatel Components Limited Dispositif serre-câbles
US5219304A (en) * 1992-11-23 1993-06-15 Lin Chen H Electrical plug

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241737A1 (fr) * 2001-03-13 2002-09-18 GIRA GIERSIEPEN GmbH. & CO. KG Appareil électrique avec décharge de traction sans visse
WO2004084359A1 (fr) * 2003-03-15 2004-09-30 Wieland Electric Gmbh Connecteur electrique
WO2006133830A1 (fr) * 2005-06-15 2006-12-21 Hirschmann Automation And Control Gmbh Connecteur solaire dote d'un element de decharge de traction
EP2299547A1 (fr) * 2009-09-16 2011-03-23 Harting Electronics GmbH & Co. KG Boîtier de connecteur à fiche doté d'une connexion de câble intégrée
US8246377B2 (en) 2009-09-16 2012-08-21 Harting Electronics Gmbh & Co. Kg Connector housing with integrated cable clamp
WO2015086817A1 (fr) * 2013-12-12 2015-06-18 Delphi International Operations Luxembourg S.À R.L. Connecteur electrique muni d'un dispositif de serrage de cable
US9728891B2 (en) 2013-12-12 2017-08-08 Delphi International Operations Luxembourg, Sarl Electrical connector provided with a cable clamping device

Also Published As

Publication number Publication date
EP1037325A3 (fr) 2000-09-27

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