EP1317025B1 - Heavy duty connection device for data cable, more especially RJ-45-connector - Google Patents

Heavy duty connection device for data cable, more especially RJ-45-connector Download PDF

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Publication number
EP1317025B1
EP1317025B1 EP02026512A EP02026512A EP1317025B1 EP 1317025 B1 EP1317025 B1 EP 1317025B1 EP 02026512 A EP02026512 A EP 02026512A EP 02026512 A EP02026512 A EP 02026512A EP 1317025 B1 EP1317025 B1 EP 1317025B1
Authority
EP
European Patent Office
Prior art keywords
housing
cable
connector
connector arrangement
characterised
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.)
Active
Application number
EP02026512A
Other languages
German (de)
French (fr)
Other versions
EP1317025A3 (en
EP1317025A2 (en
Inventor
Werner Bachmann
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.)
Neutrik AG
Original Assignee
Neutrik AG
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
Family has litigation
Priority to US12082 priority Critical
Priority to US10/012,082 priority patent/US6582248B2/en
Application filed by Neutrik AG filed Critical Neutrik AG
Publication of EP1317025A2 publication Critical patent/EP1317025A2/en
Publication of EP1317025A3 publication Critical patent/EP1317025A3/en
Application granted granted Critical
Publication of EP1317025B1 publication Critical patent/EP1317025B1/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21753302&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1317025(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/516Means for holding or embracing insulating body, e.g. casing, hoods
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means 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
    • H01R13/59Threaded ferrule or bolt operating in a direction parallel to the cable or wire
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/56Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562Bending-relieving
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45

Description

  • The invention relates to a durable connector assembly for data cables, in particular RJ-45 cables, for mounting on a cable connector, in particular RJ-45 connector, with cable connected thereto, comprising:
  1. a) a housing with a thread arranged on one of its surfaces;
  2. b) a radially compressible clamping member which clamps the cable;
  3. c) a tapered spout, which radially compresses the clamping part, and
  4. d) a threaded bushing for forming a threaded connection with the thread on the housing.
  • A generic connector assembly is in the DE 100 11 341 shown.
  • The transmission of electronic data between computing systems via cable is well known. These cables typically have a multi-pole male connector whose configuration is similar to a rectangular telephone jack. A widely used 8-pin connector is known in the art as an "RJ-45" connector. For example, for networked personal computers, RJ-45 connectors are often used to connect to the individual computers on the network card interface.
  • An RJ-45 cable is usually available with an RJ-45 plug attached to each end. For some applications, the standard RJ-45 connector is prone to damage and failure. For example, it is not well suited for repeated insertion and removal in and out of a chassis receptacle; the contacts will be slightly bent or misplaced by incorrect insertion. The plastic latch (locking arm) can tire and break off, so that the plug is no longer firmly seated in the socket. The cable itself is prone to failure by repeated kinking at the point where the cable enters the receptacle. Furthermore, the cable can be torn by longitudinal load from the plug. The plug housing is molded of plastic and is easily deformed or broken when accidentally stepped on, for example.
  • The object of the invention has been found to provide a device for protecting a cable connector, in particular an RJ-45 cable connector, through which the risk of damage during insertion into a corresponding socket while this is inserted into the socket and when pulling out the plug socket avoided or reduced and allows a simple and accurate insertion into the socket can be. According to the invention, this is achieved by a plug arrangement having the features of patent claim 1.
  • Advantageously, the housing of the plug assembly may be cylindrical and open at both ends and have a transverse partition with a shaped opening for receiving and positioning the cable plug in the housing. By coaxially arranged on the cable, radially compressible clamping part of the cable connector can be pressed against a arranged on the partition stop and the cable are clamped in the compressed state of the clamping part.
  • The conically tapered grommet, which is also coaxially disposed on the cable, may protrude from the housing at the rear of the assembly through the socket seated on the grommet, the socket being threadedly connected to the housing.
  • As we tighten the socket on the housing, the grommet is pulled towards the housing, which presses the clamp radially against the cable. As a result, tensile stresses of the cable are separated from the cable connector and instead transmitted to the housing.
  • A corresponding chassis connector socket can receive the connector assembly with the cable connector disposed therein while having on its axial end face an annular recess for receiving and positioning the front end of the housing. For locking the housing, when the electrical contact between the cable plug and the socket is made, a releasable spring latch may be provided on the socket.
  • It can be provided by the invention, a protection device for a cable connector, in particular an RJ-45 connector, which facilitates the insertion and removal in and out of a chassis female connector; which securely guides the plug into the socket contacts upon insertion and securely locks the plug in the socket without repeatedly bending the locking arm of the cable plug; holding the cable to isolate tensile loads of the cable from the cable connector; the cable from kinking near the Place where the cable opens into the plug protects; and which can be retrofitted to any existing cable connector.
  • Further advantages and details of the invention are explained below with reference to the embodiment of the Erfidnung shown in the accompanying drawings. In the drawing show:
  • Fig. 1 and 2
    three-dimensional top and bottom views of a cable connector connected to the end of a data transmission cable;
    Fig. 3
    a three-dimensional exploded view showing the arrangement of a socket, a grommet and a tensioning part on a cable, which are prepared for assembly according to the invention;
    Fig. 4
    a three-dimensional view showing the arrangement of a C-ring stop member on the cable;
    Fig. 5
    a three-dimensional exploded view showing the insertion of the socket, the spout, the clamping part and the C-ring stop member in a plug housing;
    Fig. 6
    a three-dimensional view from the back of an assembled connector according to the invention;
    Fig. 7
    an exploded view in plan view of an assembled connector and a chassis receptacle according to the invention;
    Fig. 8
    a top view of the assembled, in Fig. 7 shown, male and female connector;
    Fig. 9
    a plan view of the corresponding opposite side of the FIGS. 7 and 8 shown chassis connector;
    Fig. 10
    a three-dimensional view of the front of an assembled connector according to the invention; and
    Fig. 11
    a plan view of the corresponding opposite side of the in Fig. 6 . 7 and 10 shown connector.
  • With reference to Fig. 1 to 6 For example, a durable cable connector assembly 10 (FIG. Fig. 6 . 10, 11 ) according to the invention on an existing, standardized cable connector 12, for example, an RJ-45 data connector, which is arranged in a conventional manner at one end of the data cable 14, are mounted. In Fig. 1 and 2 the cable plug 12 is shown in two different orientations, with the contacts 16 down in FIG Fig. 1 (not visible) and up in Fig. 2 , The cable connector 12 includes a resilient arm 58 (or a latch) to releasably lock the cable connector in its inserted position, as is known in the art.
  • The components and sequence of assembly of a robust cable connector assembly 10 are shown in FIG Fig. 3 to 5 shown. A clamping member 18 is made of elastic plastic and has an overall substantially cylindrical shape over a first portion 20, on the cable connector 12 facing the front side, and an overall substantially conical shape over a second portion 22, on the abgwandten from the cable connector rear side , The cylinder and cone are divided into segments axially by longitudinal slots 24 that extend over a portion of the entire length of the tension member 18 so that the conical sections may be radially compressed as described below to allow the tension member to clamp the cable 14. Furthermore, one of the slots 24 extends the full length of the tension member 18 so that the tension member can be pulled apart and, as in FIG Fig. 3 shown on the cable can be clipped.
  • A spout 26 also has an overall substantially cylindrical portion 28 and an overall substantially conical portion 30. The inner surface of the portion 28 is axially tapered (front to back) to cooperate with the conical portion 22 of the tension member 18 when the tension member is inserted into the spout 26 as described below. Like the clamping part 18 and the spout 26 is axially split so that it can be clipped onto the cable 14. Preferably, the conical portion 30 is shaped to have spaced annular slots 32. The spout 26 has a radial flange 31 which extends around its front end.
  • A sleeve 34 is generally cylindrical and has an inner diameter greater than the outer diameter of the cylindrical spout portion 28, but less than the diameter of the flange 31, so that the spout 26 can be slid through the sleeve 34 but through the flange therein 31 is held. The bushing 34 can be placed on the cable 14 by sliding the plug 12 through the bushing before mounting the grommet and the tensioning part on the cable. The bushing 34 is provided with an internal threading in its region facing the front side of the plug arrangement (in FIG Fig. 3 Not shown).
  • A C-ring stop 36 may, as in Fig. 4 shown on the cable 14, adjacent to the cable connector 12, are used as a thrust element for the clamping part 18 during assembly.
  • A housing as a whole is substantially cylindrical, preferably formed from a die-cast metal, and has a transverse partition wall 40 (FIG. Fig. 7, 8 . 11 ) with an opening 41 ( Fig. 11 ), which corresponds to the cross-sectional profile of the cable connector 12. The opening 41 is provided with a recess 60 for receiving the resilient arm 58 and for holding the resilient arm 58 in a depressed position. The partition 40 is disposed within the housing 38 at a longitudinal location selected to provide a corresponding positioning of the cable plug 12 in the housing. The housing 38 has an externally threaded portion 42 for cooperation with the sleeve 34 during assembly. Preferably, the housing 38 is provided with a longitudinal groove 44 on its inner side to engage in a corresponding counter-longitudinal rib 46 on the clamping member 18, so that a mutual rotation during assembly is prevented.
  • The long-life cable connector assembly 10, as in Fig. 5 shown assembled to a complete assembly 10, as in Fig. 6 shown to form. The cable connector 12 and the C-ring stopper 36 are inserted through the opening 41 in the housing 38 until they are stopped by a step 43 in the cable connector 12. The clamping member 18 is inserted into the housing 38 until the clamping member is engaged with the C-ring stopper 36, the rib 46 being aligned and sliding into the corresponding mating groove 44. The spout 26 is engaged with the tapered portion 22 of the tension member 18. The bushing 34 is pushed over the nozzle 26 until the bush rests against the flange 31. The spout 26 protrudes, as in Fig. 6 shown beyond the socket (on the back). The bush 34 is then screwed onto the thread 42 on the housing 38. The grommet 26 is moved against the clamping member 18 and thus causes the conical section 22 is pressed radially on the cable 14. The plug 12 is pushed against the partition wall 40 and is thus firmly and correctly positioned in the housing 38. If the sleeve 34 is fixedly secured to the housing 38 and thus the clamping member 18 is pressed firmly against the cable 14, a sealing tape 45 can be clipped on the spout 26 to the cable 14 to fix the spout thereto. Annular slots 32 in the spout 26 allow the spout to also bend as the cable 14 is bent. Thus, the cable through the spout 26th From damage due to kinking, and protected by the clamping member 18 from damage due to longitudinal stresses. Furthermore, the cable connector 12 is protected by the robust die-cast housing 38 from damage or improper use.
  • The assembly 10 is plugged into a chassis receptacle 48 (FIG. FIGS. 7 and 9 ), which is provided with an end face 49 and a receiving opening 50 with a cross-sectional shape of the cable connector 12. An annular recess 52 surrounds the end face 49 to the housing 38, as in FIGS. 7 and 8 shown to record. A longitudinal rib 51 on the female connector 48 mates with a corresponding counter-longitudinal groove 53 in the housing 38 to positively orient the cable connector 12 in its angular position with respect to the aperture 50 for safe insertion. The depth of the recess 52 in the longitudinal direction is selected so that when the housing 38 has reached the bottom of the recess 52, the contacts 16 of the plug are correctly positioned in contact with the contacts 54 of the female connector 48. The plug assembly 10 is releasably held in the receptacle 48 by a latch 56.
  • The foregoing description of a preferred embodiment of the invention has been presented for purposes of illustration and description. Various modifications are conceivable and possible without departing from the scope of the invention.
  • Claims (12)

    1. A durable connector arrangement for data cables, in particular RJ45 cables, for mounting on a cable connector, in particular an RJ45 connector, with attached cable, comprising:
      a) a housing (38) with a thread (42) arranged on one of its faces;
      b) a radially compressible clamping element (18), which grips the cable (14);
      c) a tapered sleeve (26), which radially compresses the clamping element (18), and
      d) a threaded bushing (34) for forming a threaded connection with the thread (42) on the housing (38),
      characterised in that
      the housing (38) comprises positioning means for positioning the cable connector (12) in a predetermined position within the housing (38) and in that the radially compressible clamping element (18) holds the cable connector (12) in its predetermined position in the housing (38), the bushing (34) being suitable for holding the tapered sleeve (26), and the bushing (34), the sleeve (26), the clamping element (18), the housing (38) and the cable connector (12) being clamped together by tightening of said threaded connection.
    2. A connector arrangement according to claim 1, characterised in that the positioning means comprise a transverse partition (40) in the housing (38).
    3. A connector arrangement according to claim 1 or claim 2, characterised in that the housing (38) is formed of die-cast metal.
    4. A connector arrangement according to any one of claims 1 to 3, characterised in that the sleeve (26) comprises a slotted, conical portion (30), which projects through the bushing (34) in order to provide bending strain relief for the cable (14).
    5. A connector arrangement according to any one of claims 1 to 4, characterised in that the housing (38) is provided with a longitudinal groove (44) and the clamping element (18) is provided with a corresponding mating longitudinal rib (46), in order to prevent relative rotation of the housing and the clamping element (18).
    6. A connector arrangement according to any one of claims 1 to 5, characterised in that, to form at least one electrical connection, a chassis socket (48) is additionally provided for correspondingly receiving the connector arrangement.
    7. A connector arrangement according to claim 6, characterised in that the housing (38) is provided with a longitudinal groove (51) and the socket (48) is provided with a corresponding mating longitudinal rib, in order to ensure orientation of the connector arrangement relative to the socket upon insertion of the connector arrangement into the socket.
    8. A connector arrangement according to claim 6 or claim 7, characterised in that a snap catch (56) is provided for releasable connection of the connector arrangement with the chassis socket.
    9. A connector arrangement according to any one of claims 1 to 8, characterised in that a recess (60) is additionally provided in the housing (38) for receiving a resilient arm (58) of the cable connector (12), the resilient arm (58) being held in the recess (60) in the depressed position.
    10. A connector arrangement according to claim 9, characterised in that the recess (60) is provided at an opening (41) in the transverse partition in the housing, the opening (41) corresponding to the cross-sectional profile of the cable connector (12).
    11. A connector arrangement according to any one of claims 1 to 10, characterised in that the clamping element (18) comprises a longitudinal slot (24) extending over the length of the clamping element, the clamping element being capable of being spread apart and clipped onto the cable (14).
    12. A connector arrangement according to any one of claims 1 to 11, characterised in that a longitudinal slot is provided which extends through the jacket of the sleeve and over the length of said sleeve, the sleeve (26) being capable of being spread apart and clipped onto the cable (14).
    EP02026512A 2001-11-29 2002-11-27 Heavy duty connection device for data cable, more especially RJ-45-connector Active EP1317025B1 (en)

    Priority Applications (2)

    Application Number Priority Date Filing Date Title
    US12082 1993-02-01
    US10/012,082 US6582248B2 (en) 2001-11-29 2001-11-29 Durable RJ-45 data connector assembly

    Publications (3)

    Publication Number Publication Date
    EP1317025A2 EP1317025A2 (en) 2003-06-04
    EP1317025A3 EP1317025A3 (en) 2006-04-05
    EP1317025B1 true EP1317025B1 (en) 2008-03-05

    Family

    ID=21753302

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02026512A Active EP1317025B1 (en) 2001-11-29 2002-11-27 Heavy duty connection device for data cable, more especially RJ-45-connector

    Country Status (7)

    Country Link
    US (1) US6582248B2 (en)
    EP (1) EP1317025B1 (en)
    CN (1) CN1253974C (en)
    AT (1) AT388507T (en)
    DE (1) DE50211823D1 (en)
    ES (1) ES2302780T3 (en)
    HK (1) HK1055019A1 (en)

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    Also Published As

    Publication number Publication date
    DE50211823D1 (en) 2008-04-17
    CN1253974C (en) 2006-04-26
    US6582248B2 (en) 2003-06-24
    EP1317025A3 (en) 2006-04-05
    EP1317025A2 (en) 2003-06-04
    HK1055019A1 (en) 2006-07-14
    ES2302780T3 (en) 2008-08-01
    CN1433111A (en) 2003-07-30
    US20030100215A1 (en) 2003-05-29
    AT388507T (en) 2008-03-15

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