EP1246311B1 - Serre-câble - Google Patents

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Publication number
EP1246311B1
EP1246311B1 EP02076236A EP02076236A EP1246311B1 EP 1246311 B1 EP1246311 B1 EP 1246311B1 EP 02076236 A EP02076236 A EP 02076236A EP 02076236 A EP02076236 A EP 02076236A EP 1246311 B1 EP1246311 B1 EP 1246311B1
Authority
EP
European Patent Office
Prior art keywords
clamping
clamping part
passage
housing
fastening
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
EP02076236A
Other languages
German (de)
English (en)
Other versions
EP1246311A1 (fr
Inventor
Koen Verelst
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.)
FCI SA
Original Assignee
FCI SA
Framatome Connectors International SAS
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 FCI SA, Framatome Connectors International SAS filed Critical FCI SA
Publication of EP1246311A1 publication Critical patent/EP1246311A1/fr
Application granted granted Critical
Publication of EP1246311B1 publication Critical patent/EP1246311B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire

Definitions

  • the invention relates to a device for clamping a cable according to the preamble of claim 1.
  • US 4,065,201 which is considered as the closest prior art, discloses a two-part cable connector comprising a body with an integrated extending neck and a nut.
  • the neck has a bore for passing a cable and an outer thread to engage with the internally threaded nut.
  • the neck further has slots such that ears are formed on the neck. Flexibility of the ears is obtained by reducing the outer diameter of the neck near the rearmost end.
  • EP-A-0 913 900 discloses a device for clamping a cable of this type, wherein the housing part consists of two housing halves together determining a mainly cylindrical passage for receiving the clamping part.
  • the resilient fingers of the clamping part are provided with radial projections pressing the resilient fingers inwardly to reduce the size of the passage of the clamping part so that the fingers grip the outer side of the jacket of the cable.
  • the two housing halves are fixed together by means of clamping bolts.
  • EP-A-0 736 933 discloses a cable connector, wherein a housing of the connector is provided with a conical clamping device for connecting the shielding of the cable to the housing of the connector.
  • the cable is clamped to the housing of the connector by means of a clamping strip.
  • the invention aims to provide an improved device of the above-mentioned type.
  • the device for clamping a cable of the invention is characterized by the characterizing portion of claim 1.
  • a device for clamping a cable wherein the conical section of the clamping part and the conical inner wall of the chamber of the housing part are cooperating to force the resilient fingers inwardly to thereby grip the outer side of the cable.
  • the clamping part moves axially into the chamber, wherein the axial movement of the clamping part is translated into a radial movement of the resilient fingers.
  • the performance of the clamping operation of the device is largely independent of variation in cable diameter, so that tolerances of cable diameter are not critical. In applications of the device of the invention in a cable connector, wherein the clamping part is located at the inner side of the cable connector, the clamping operation of the device will increase if a pulling force is exerted on the cable.
  • Figs. 1-4 show an embodiment of a cable clamp or device for clamping a cable, wherein the device is shown in a fully assembled state in fig. 3.
  • the device comprises a clamping part 1 having a passage 2 for receiving a cable 3 and three resilient fingers 4, wherein the fingers 4 are moveable inwardly to reduce the size of the passage 2. It will be understood that a different number of resilient fingers can be used.
  • the device further comprises a housing part 5 having a passage 6 with a chamber 7 at one end for receiving the clamping part 1.
  • the housing part comprises two housings halves 8.
  • the housing part 5, i.e. the housing halves 8 are part of a cable connector housing not further shown. The invention is however not restricted to use of the device described in cable connectors.
  • a fastening part 9 which in the embodiment shown is made as a nut, is provided to fasten the clamping part 1 and housing part 5 to one another to obtain the fully assembled state of fig. 3.
  • the clamping part 1 comprises a conical section 10 with a conical outer side and this conical section includes the resilient fingers 4.
  • the chamber 7 of the housing part 5 is provided with a conical inner wall adapted to engage the conical outer side of the fingers 4.
  • the clamping part 1 is provided with a fastening section 11 having a screw thread. This fastening section projects out of the passage 6 of the housing part 5 when the conical section 11 is received in the conical chamber 7 as shown in figs. 1 and 2.
  • the clamping part 1 When the nut 9 is fastened on the fastening section 11, the clamping part 1 will be pulled in axial direction into the conical chamber 7 so that the resilient fingers 4 are forced inwardly to reduce the size of the passage 2 and the cable 3 will be clamped within the passage 2.
  • the clamping part 1 is provided with a section 12 having a plurality of flat outer surfaces 13.
  • the passage 6 of the housing part 5 is provided with a section 14 having a plurality of flat inner walls 15 engaging the flat outer surfaces 13 of the clamping part 1.
  • the housing halves 8 each are provided with a projecting collar 16 enclosing a part of the passage 6 of the housing.
  • the collar 16 is received in an annular space of the nut 9. It will be understood that if the housing part 5 is a single part, it is not necessary to provide the housing part with a collar.
  • Fig. 5 shows an embodiment of the device described, wherein the housing part 5 is provided with a resilient locking element 17 having a projection 18 at its free end engaging in a groove of the serrated outer side 19 of the nut 9. In this manner the nut 9 will be automatically locked so that it can not be unscrewed unintentionally.
  • Figs. 6 and 7 show a further embodiment of the invention, wherein a clamping part 20 is used having two passages 21 for cables 3. For each passage 21 three resilient fingers 22 are provided, wherein the fingers 22 together determine the conical section 10 of the clamping part 20.
  • one housing half 8 is shown and the nut 9 is not yet screwed on the fastening section 11 of the clamping part 20.
  • the fastening section 11 in this case includes the section 12 with flat surfaces 13.
  • the housing half 8 determines half of the passage 6 of the housing part with a chamber 7 with conical inner wall.
  • the device for clamping a cable described shows the advantage that the clamping performance is independent of variations in diameter of the cables 3, so that tolerances of cable diameters are not critical. An efficient squeezing of the cable(s) is obtained, so that after assembly of the device displacement of the cable can not occur and no stress can be exerted on terminated wires of the cable. Moreover, if a pulling force is exerted on the cable, the clamping part 1, 20 will be tensioned such that the clamping part 1, 20 will be locked even more tightly. No special tools are required to assemble the clamping device. If the device is used in a cable connector for example, the wires of the cable can be terminated and the clamping device can be assembled at the end of the termination procedure. Moreover the clamping device can be dismantled easily and is fully repairable. In case of a one piece housing part 5, the clamping part 1, 20 and fastening part 9 can be pre-assembled.

Landscapes

  • Installation Of Indoor Wiring (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)

Claims (7)

  1. Dispositif de serrage d'un câble, comprenant un élément de serrage (1, 20) ayant au moins un passage (2, 21) de réception d'un câble (3), ledit élément de serrage (1, 20) ayant une section conique (10) avec un côté extérieur conique, la section conique (10) comprenant au moins un doigt ressort (4, 22) pouvant se déplacer pour réduire la taille du passage, et un élément de boítier (5) ayant un passage (6) avec une chambre (7) à une extrémité pour recevoir l'élément de serrage (1, 20), le dispositif comprenant en outre un élément de fixation (9) permettant de forcer les doigts ressorts (4, 22) vers l'intérieur pour réduire la taille du passage de l'élément de serrage,
       caractérisé en ce que ledit élément de fixation (9) est utilisé pour fixer l'élément de serrage et l'élément de boítier l'un à l'autre, et en ce que la chambre (7) de l'élément de boítier (5) est dotée d'une paroi intérieure conique conçue pour venir en prise avec le côté extérieur conique d'au moins le ou les doigts ressorts (4, 22), dans lequel l'élément de fixation (9) force l'élément de serrage (1, 20) axialement vers la chambre (7) pendant la fixation, pour ainsi forcer le ou les doigts ressorts (4, 22) vers l'intérieur.
  2. Dispositif selon la revendication 1, dans lequel l'élément de serrage (1, 20) est doté d'une section (12) ayant une ou plusieurs surfaces extérieures plates (13), dans lequel le passage (6) de l'élément de boítier (5) est doté d'une section (14) ayant une ou plusieurs parois intérieures plates (15) conçues pour venir en prise avec les surfaces extérieures plates de l'élément de serrage.
  3. Dispositif selon l'une quelconque des revendications 1 ou 2, dans lequel l'élément de serrage (1, 20) est doté d'une section de fixation (11) opposée à la section conique (7), ladite section de fixation (11) faisant saillie par rapport au passage (6) de l'élément de boítier (5) quand la section conique (10) est reçue dans la chambre conique (7), dans lequel la section de fixation (11) est conçue pour coopérer avec l'élément de fixation (9) afin de fixer l'élément de serrage (1, 20) dans la chambre (7) de l'élément de boítier (5).
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de boítier (5) comprend deux moitiés de boítier (8), dans lequel les moitiés de boítier sont chacune dotées d'un collet en saillie (16) renfermant une partie du passage (6) de l'élément de boítier (5) opposée à la chambre (7), dans lequel l'élément de fixation (9) est doté d'un espace annulaire pour recevoir le collet (16).
  5. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de fixation (9) est réalisé sous la forme d'un écrou, dans lequel l'élément de boítier (5) est doté d'un élément de blocage (17) permettant de bloquer l'écrou.
  6. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de serrage (20) est doté de deux passages (21), dans lequel au moins un doigt ressort (22) est situé au niveau de la circonférence de chaque passage, et dans lequel les doigts ressorts de tous les passages font partie de la section conique (10) de l'élément de serrage (20) et sont forcés vers l'intérieur pour réduire la taille du passage correspondant pendant la fixation des éléments de serrage et de boítier.
  7. Elément de serrage (1, 20) destiné à un dispositif selon l'une quelconque des revendications précédentes.
EP02076236A 2001-03-29 2002-03-26 Serre-câble Expired - Lifetime EP1246311B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1017734A NL1017734C2 (nl) 2001-03-29 2001-03-29 Kabelklem.
NL1017734 2001-03-29

Publications (2)

Publication Number Publication Date
EP1246311A1 EP1246311A1 (fr) 2002-10-02
EP1246311B1 true EP1246311B1 (fr) 2004-06-09

Family

ID=19773157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02076236A Expired - Lifetime EP1246311B1 (fr) 2001-03-29 2002-03-26 Serre-câble

Country Status (4)

Country Link
EP (1) EP1246311B1 (fr)
AT (1) ATE268953T1 (fr)
DE (1) DE60200598T2 (fr)
NL (1) NL1017734C2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113960432B (zh) * 2021-10-29 2024-08-27 国网河南省电力公司南阳供电公司 一种电缆接头局放电流检测装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2250685A (en) * 1939-11-24 1941-07-29 Thomas B Tiefenbacher Locking device
LU38571A1 (fr) * 1959-06-29
US3649054A (en) * 1970-12-03 1972-03-14 Warren G Mcclenan Cable fitting for ship bulkheads
US3801131A (en) * 1973-04-30 1974-04-02 Appleton Electric Co Sealed electrical connector for securing conduits to junction boxes
US4065201A (en) * 1976-11-19 1977-12-27 E. F. Johnson Company Connector

Also Published As

Publication number Publication date
DE60200598T2 (de) 2005-06-09
EP1246311A1 (fr) 2002-10-02
DE60200598D1 (de) 2004-07-15
ATE268953T1 (de) 2004-06-15
NL1017734C2 (nl) 2002-10-01

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