EP0251909B2 - Elément de connexion pour câble électrique monoconducteur à connexion axiale - Google Patents

Elément de connexion pour câble électrique monoconducteur à connexion axiale Download PDF

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Publication number
EP0251909B2
EP0251909B2 EP19870401474 EP87401474A EP0251909B2 EP 0251909 B2 EP0251909 B2 EP 0251909B2 EP 19870401474 EP19870401474 EP 19870401474 EP 87401474 A EP87401474 A EP 87401474A EP 0251909 B2 EP0251909 B2 EP 0251909B2
Authority
EP
European Patent Office
Prior art keywords
clamp
connecting element
orifice
flexible blade
connection
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
EP19870401474
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0251909A1 (fr
EP0251909B1 (fr
Inventor
René Bresson
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.)
L M I FRANCE S.A.
Original Assignee
L M I FRANCE SA
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9336696&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0251909(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by L M I FRANCE SA filed Critical L M I FRANCE SA
Publication of EP0251909A1 publication Critical patent/EP0251909A1/fr
Application granted granted Critical
Publication of EP0251909B1 publication Critical patent/EP0251909B1/fr
Publication of EP0251909B2 publication Critical patent/EP0251909B2/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
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
    • H01R4/5091—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge combined with a screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member

Definitions

  • the invention relates to a connection element. for single conductor electrical cable with connection axial.
  • connection elements to connection called transverse.
  • This type of connector or element connection type terminal has a socket connection in which the conductor to connect is introduced, the end of the latter having been stripped, and a clamping means, such as an oriented screw transversely to the axial direction of the conductor being used to ensure blocking mechanical conductor against the socket and the electrical contact with it.
  • connection element has to date given satisfaction, especially in home applications or applications for which a reduced number of conductors must be connected, the connection elements being mechanically integral to form strips or bars forming connector.
  • connection elements are do not lend themselves well to industrial uses, in particular for the realization of electrical control circuits and power of automata or electronic circuits industrial. Indeed, the screwing of the driver to connect produces an overwriting of the latter on the contact area of the socket, which most often has the effect of provoking contacts of poor quality, especially in the case where relative movements of the conductor and the socket are produced periodically, by vibrations mechanical for example.
  • connection element or male or female electrical connector by the Applicant.
  • This connector was the subject of the request French patent FR-A-2,466,883 filed on October 5, 1979 in the name of the Applicant.
  • connection element or connector as described in this patent application does not provide a satisfactory solution to the problem of mounting a plurality of conductors to connect since this type of connection element or connector remains a connection element or connector with transverse connection.
  • Document FR-A-2 574 598 discloses a connection element according to the preamble of claim 1.
  • the object of the present invention is to implement a connection element or connector in which the crushing of the conductor to be connected by screw is completely removed, both being of small overall height and having an axial wire entry.
  • Another object of the present invention is the implementation of a connector, consisting of a multiple connection elements, highly reliable of uses, in which the degradation effect electrical contacts, for example mechanical fatigue, due to vibration or movement relative of the contact between the conductor to be connected and the contact area of the connection element or connector is substantially removed.
  • Another object of the present invention is also the implementation of a connection element or low cost connector.
  • Connection element for electric cable single conductor object of the present invention, presents the Features set out in claim 1.
  • the invention finds application for the connection of electronic electrical circuits industrial and in particular of automatons or automatisms industrial.
  • Connection element for electric cable monoconductor object of the invention will first of all described in conjunction with Figures 1a and 1b mentioned above.
  • connection element object of the invention comprises a connection element body denoted 1 made of material insulating.
  • the connection element body may have a substantially parallelepiped shape or at least an elongated shape with a longitudinal axis noted ⁇ .
  • connection element comprises formed in the infrastructure of it, a connection chamber noted 10.
  • the connection chamber has a conduit connection marked 100, substantially parallel to the axis longitudinal ⁇ and terminating on one face of the body of connection element 1.
  • Conductor C to be connected can thus be introduced into the connection duct 100, in order to reach the aforementioned connection chamber 10.
  • connection chamber 10 comprises a conductive stirrup marked 101, movable in translation along the direction of the longitudinal axis ⁇ .
  • Stirrup mobile 101 has at least one orifice denoted 1010, likely to be an extension of the connection 100 above.
  • orifice 1010 can thus be brought into extension of the connection conduit 100.
  • connection chamber 10 includes a flexible blade denoted 102, fixed relative to the element body of connection 1.
  • the flexible blade 102 allows the guidance of the conductor C to be connected, as an extension of the conduit connection 100; it is engaged in the orifice 1010 of the bracket 101, the latter therefore being movable in translation in the longitudinal direction ⁇ by relation to the body of connection element 1 and by compared to the flexible blade 102.
  • the element body of connection 1 also has drive means in translation of the stirrup 101, means marked 2, also ensuring the locking of the stirrup in position in the direction of longitudinal translation ⁇ above, relative to the connection chamber 10 and / or relative to the flexible lamp 102.
  • drive means in translation of the stirrup 101 means marked 2 also ensuring the locking of the stirrup in position in the direction of longitudinal translation ⁇ above, relative to the connection chamber 10 and / or relative to the flexible lamp 102.
  • FIG. 2 represents a view in section of Figure 1a, for example, the section plane being a plane parallel to the plane P represented on the Figure 1a, but containing the longitudinal axis ⁇ of the connection element.
  • the orifice 1010 of the stirrup 101 is advantageously inclined relative to in the direction of the longitudinal axis ⁇ , the inclination or angle of inclination being noted ⁇ in FIG. 2.
  • the angle the aforementioned inclination can be taken equal to 45 °.
  • the hole 1010 of the stirrup 101 has advantageously a substantially rectangular section, the short sides of the above section being substantially orthogonal to the axis direction longitudinal ⁇ .
  • the engagement of the blade 102 in the rectangular hole 1010 allows free play, when moving the stirrup 101, from the latter, by relative to the connection chamber 10 and relative to the flexible blade 102.
  • the flexible blade 102 has a dimension, in an orthogonal direction to the longitudinal axis ⁇ , substantially equal to the small side of the rectangular section of port 1010 of stirrup 101.
  • stirrup 101 In order to make the stirrup 101, it can be obtained by machining a bar of material conductor, provided with an axial section orifice rectangular determined. This material is normally commercially available.
  • the stirrup 101 can also advantageously be made by molding a material such as the material known as "ZAMAC" (registered trademark).
  • the flexible blade can be shaped so as to present a first part noted 1021, of slight inclination with respect to the direction of the longitudinal axis ⁇ .
  • This first part is arranged as an extension of the 100 connection, substantially, and thus ensures guiding the cable or conductor to be connected C, into hole 1010 of stirrup 101, when this is for example brought into abutment against the wall of the connection chamber 10.
  • the first part 1021 of the flexible blade 102 can advantageously be engaged in a housing 12 formed in the element body of connection 1, so as to ensure good fixing blade 102 relative to the connection chamber 10 and relative to the body of the connection element 1.
  • the flexible blade 102 has a second part marked 1022, in continuation of the first part 1021, this second part 1022 presenting substantially the same inclination as the inclination orifice 1010 of stirrup 101.
  • the flexible blade 102 has a third part 1023, an extension of the second part 1022, this third part making it possible to ensure substantially closing the orifice 1010 of the stirrup 101, at the opposite end to that of the connection duct.
  • the third part 1023 takes further support on a shoulder noted 11 of the body connection element, as shown in figure 2.
  • the third part 1023 of the blade flexible 102 can be extended by any electrical contact female or male corresponding respectively, as will be described later in the description.
  • the drive means 2 may include advantageously without limitation a set constituted by a screw 20 fixed relative to the body of the connection element 1, and a threaded orifice 21, formed in the movable stirrup 101, and in which the screw is engaged.
  • Screw 20 and the tapped hole 21 have substantially a longitudinal axis of symmetry parallel to the longitudinal axis ⁇ previously described.
  • the screw 20 ends on the same face of the body of the connection element that the conduit of connection 100, through which the conductor to be connected C is introduced.
  • the screw head of the aforementioned screw 20 can thus appear at an opening 13 formed on the aforementioned face of the body of the element of connection.
  • the screw 20 has one end in contact with the flexible blade 102, end at contact opposite to the screw head previously described.
  • the aforementioned end can have a conical shape with a half opening angle is substantially equal to the inclination ⁇ of the hole 1010 of the stirrup 101, and thereby the inclination of the second part 1022 of the blade flexible 102.
  • the aforementioned screw 20 may present in the vicinity of the screw head a groove 200, allowing the fixing of this screw in the aforementioned direction ⁇ , but the free rotation thereof relative to an edge 130 perpendicular to the direction ⁇ previously described.
  • the longitudinal axis of the assembly constituted by the screw 20 and the threaded orifice 21 is noted D.
  • the body 1 connecting element can be formed, so nonlimiting, in a plastic material such as polycarbonate.
  • the flexible blade 102 is made of an electrical material conductive, such as copper, brass, beryllium bronze. She can present at the level of its second part 1022, intended to ensure the electrical contact with conductor C, a coating protective conductor, such as a gold coating, tinning or the like. So the conductor C to connect having been introduced at its end stripped into hole 1010 of stirrup 101, the setting in motion of the screw 20 allows the displacement of the stirrup 101, which secures the wedging of conductor C and making the contact electric desired.
  • an electrical material conductive such as copper, brass, beryllium bronze. She can present at the level of its second part 1022, intended to ensure the electrical contact with conductor C, a coating protective conductor, such as a gold coating, tinning or the like. So the conductor C to connect having been introduced at its end stripped into hole 1010 of stirrup 101, the setting in motion of the screw 20 allows the displacement of the stirrup 101, which secures the wedging of conductor C and making the contact electric desired.
  • these faces or contact zones can advantageously have roughness, such as grooving allowing better restraint of conductor C.
  • the roughness above may have a dimension or relief sufficient, in order to allow the realization of conductor connection by displacement of insulation, conductor C to be connected then being introduced in the connection conduit 100 and in the orifice 1010 of stirrup 101, without stripping the end of this one beforehand.
  • a connector comprising a plurality of elements connection as previously defined will be now described in connection with Figures 3a and 3b.
  • the Eci connection elements, Ecj can be arranged next to each other, in at least one row so as to form a strip or connector strip.
  • the connector such that defined can advantageously comprise two rows connection elements, the connection element current of each row being respectively noted Eci, Ecj.
  • the connector as defined is such that two opposite connection elements noted Eci, Ecj, of both rows are arranged symmetrically with respect to the median plane noted Q1.
  • FIG. 3b there is also shown a cross-sectional view of the connector shown in FIG. 3a, the section being made according to a plane Q2, plane of transverse symmetry of two elements of connection opposite Eci, Ecj.
  • each element Eci connection, Ecj has the same elements that the elements represented in figure 2.
  • the elements common to each element Eci connection, Ecj and in figure 2 do not have been referenced, so as not to interfere with clarity from the drawing in Figure 3b.
  • the third party noted 1023i, 1023j of the flexible blade of each element Eci correspondent, Ecj can be extended by a female or male electrical contact respectively, this female or male electrical contact respectively being noted 1024i, 1025i, 1026i and 1024j, 1025j, 1026j.
  • This electrical contact can for example be constituted by flexible blades, forming a lyre type contact or the like.
  • the connector defined above, such as shown in Figures 3a and 3b, can then, from advantageously, constitute a type connector multi-conductor plug-in.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP19870401474 1986-06-25 1987-06-25 Elément de connexion pour câble électrique monoconducteur à connexion axiale Expired - Lifetime EP0251909B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8609194 1986-06-25
FR8609194A FR2600827B1 (fr) 1986-06-25 1986-06-25 Element de connexion pour cable electrique monoconducteur a connexion axiale

Publications (3)

Publication Number Publication Date
EP0251909A1 EP0251909A1 (fr) 1988-01-07
EP0251909B1 EP0251909B1 (fr) 1992-01-02
EP0251909B2 true EP0251909B2 (fr) 2000-08-16

Family

ID=9336696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870401474 Expired - Lifetime EP0251909B2 (fr) 1986-06-25 1987-06-25 Elément de connexion pour câble électrique monoconducteur à connexion axiale

Country Status (3)

Country Link
EP (1) EP0251909B2 (el)
DE (2) DE8708843U1 (el)
FR (1) FR2600827B1 (el)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2737048B1 (fr) * 1995-07-18 1997-10-10 Lmi Composants Element de connexion a connexion axiale pour conducteur electrique
DE19651045C1 (de) * 1996-12-09 1998-04-09 Pfisterer Elektrotech Karl Schraubverbinder
FR2901420B1 (fr) * 2006-05-18 2016-11-25 Axon'cable Micro-connecteur de puissance
DE102007009448B4 (de) * 2007-02-23 2009-02-26 Phoenix Contact Gmbh & Co. Kg Elektrisch leitendes Steckkontaktelement
DE102015109836B4 (de) * 2015-06-19 2017-10-12 Amphenol-Tuchel Electronics Gmbh Kontaktbaugruppe zum feldkonfektionierbaren Anschluss einer Leitung
EP4117119A1 (en) * 2021-07-08 2023-01-11 Sacopa, S.A.U. Electrical connector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287035A (en) * 1941-01-07 1942-06-23 Hubbell Inc Harvey Solderless connector
FR2407578A1 (fr) * 1977-10-26 1979-05-25 Alsthom Cgee Borne de raccordement axial
FR2466883A1 (fr) * 1979-10-05 1981-04-10 Lmi France Connecteur electrique male ou femelle

Also Published As

Publication number Publication date
FR2600827B1 (fr) 1988-11-18
FR2600827A1 (fr) 1987-12-31
EP0251909A1 (fr) 1988-01-07
DE8708843U1 (de) 1987-08-13
EP0251909B1 (fr) 1992-01-02
DE3775638D1 (de) 1992-02-13

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