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EP2034562B1 - Connecteur à fiches doté d'un corps d'isolation en une pièce - Google Patents

Connecteur à fiches doté d'un corps d'isolation en une pièce Download PDF

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Publication number
EP2034562B1
EP2034562B1 EP08014369.6A EP08014369A EP2034562B1 EP 2034562 B1 EP2034562 B1 EP 2034562B1 EP 08014369 A EP08014369 A EP 08014369A EP 2034562 B1 EP2034562 B1 EP 2034562B1
Authority
EP
European Patent Office
Prior art keywords
contact insert
contact
connector
clamping
plug
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
EP08014369.6A
Other languages
German (de)
English (en)
Other versions
EP2034562A3 (fr
EP2034562A2 (fr
Inventor
Johann Krech
Bernd Hagmann
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.)
Lapp Engineering AG
Original Assignee
Lapp Engineering 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
Application filed by Lapp Engineering AG filed Critical Lapp Engineering AG
Publication of EP2034562A2 publication Critical patent/EP2034562A2/fr
Publication of EP2034562A3 publication Critical patent/EP2034562A3/fr
Application granted granted Critical
Publication of EP2034562B1 publication Critical patent/EP2034562B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade 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
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • H01R13/057—Resilient pins or blades co-operating with sockets having a square transverse section
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/114—Resilient sockets co-operating with pins or blades having a square transverse section
    • 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
    • H01R13/50—Bases; Cases formed as an integral body
    • 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
    • H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
    • 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
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface
    • 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
    • H01R4/5075—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw having an uneven wire receiving surface to improve the contact

Definitions

  • a connector is described with a one-piece insulating body for receiving contact inserts, which are connected to electrical conductors.
  • the insulating body is for this purpose formed with a receiving area for receiving at least one substantially cylindrical contact insert, wherein the contact insert at a first end a contact portion for electrical connection with a gegentician shaped contact piece of the connector, at a second end an insertion opening with a central longitudinal axis for receiving a conductor , A clamping device and a connecting portion for mechanical connection of the contact portion having the insulating body.
  • the clamping device is arranged such that an actuation of the clamping device for releasable and reconnectable fastening of the male conductor takes place from a direction transverse to the central longitudinal axis, wherein the clamping device comprises either a clamping screw or a screwless clamping element.
  • Such electrical connectors are particularly suitable for use with higher voltages and / or currents (rated voltage: up to 600 V and more (about 1000 V), rated current: up to 16 A and more (about 80 A)), e.g. used for electrical equipment in mechanical engineering, electrical cabinets, light and sound cabling, or the like.
  • the receiving area of the insulating body is adapted to the type of clamping device over which the contact insert to be used has.
  • the clamping device comprises a clamping screw or a screwless clamping element
  • the insulating body has a different shape.
  • the clamping device is designed as a clamping screw
  • it is additionally secured in the receiving region of the insulating body via a further insulating body, which is designed as a lid. This is for example latched, pressed, glued or fixed by welding.
  • Another way to secure the clamping screw is to introduce them into a one-piece insulating body.
  • the conductor is inserted from the same side from which the clamping element is actuated by means of an actuating tool. Accordingly, the actuation direction substantially coincides with the central longitudinal axis of the insertion opening for receiving a conductor.
  • a connector for circuit boards has a one-piece block of dielectric material.
  • a plurality of chambers extends from the back to the front of the block, each chamber receiving an electrical contact element.
  • a chamber can accommodate two differently configured contact elements, wherein the differently configured contact elements each comprise a clamping element in the form of a clamping screw.
  • an object is to make the production of connectors cost and at the same time to ensure a reliable electrical connector.
  • the insulating body has at least one stop to cooperate with a arranged on the connecting portion locking element for securing the contact insert, and at least one recess in its receiving area, which is dimensioned so that both the Insert clamping screw into the recess and the screwless clamping element is accessible through the recess from the outside.
  • the at least one recess of the insulating body is bounded on two opposite sides by webs which are substantially parallel to one another and are oriented coaxially with respect to the actuating direction.
  • At least one land has at least one opening substantially coaxial with the direction of actuation and the shape of which gives the land a compliance relative to a clamping screw, the degree of compliance being determined by the shape of the opening.
  • the contact insert is secured within the insulator against being pulled against the insertion direction, without the need for further Isolier analysesmaschine, such as lids or the like., would be necessary or that the fuse of the contact insert must be made in a one-piece insulating body by means of a clamping screw.
  • the recess in the receiving area of the insulating body further ensures that the insulating body can be used regardless of whether a contact insert with a clamping screw or with a screwless clamping element is to be received therein.
  • a (based on these two possible embodiments of the clamping device) "universal" insulating body is provided.
  • the contact insert can be inserted into the insulating body regardless of whether the clamping device used comprises a clamping screw or a screwless clamping element. In that an actuation of the clamping device both in the case of a clamping screw and in the case of a screwless clamping element in the inserted state of the contact insert is still possible, a conductor can be attached at any time releasably and reconnectable with the clamping device within the insertion of the contact insert.
  • the latching element is designed to be resilient in order to allow movement of the contact insert in an insertion direction and to rest with an active surface in a direction opposite to the direction of insertion against the stop.
  • the locking element may comprise a resilient latching hook, which is integrally connected to the contact insert. Due to the integral design, the number of parts used and in this way the assembly times are reduced.
  • the present invention provides that the at least one recess of the insulating body is bounded on two opposite sides by webs which are essentially parallel to one another and are oriented coaxially with respect to the actuating direction.
  • the webs are dimensioned such that on the one hand they do not obstruct actuation of the clamping device by means of an actuating tool and on the other hand can touch a clamping screw to be introduced into the recess on the peripheral surface of its screw head or screw shank. It can also be provided that the webs are wedge-shaped and include in the direction of actuation of an increasingly smaller clear width between the mutually facing flanks.
  • the webs may each have a contact surface on the facing flanks.
  • the contact surfaces can also be concave in the direction of actuation and increasingly larger.
  • the clamping device used of the contact insert comprises a clamping screw. This is screwed from the outside into an internal thread of a screw hole, which is attached to the contact insert and aligned with the receptacle of the insulating body to act on a conductor located in the insertion (possibly with the interposition of a conductor protection).
  • the conductor is shakeproof in the insertion and clamp with minimum electrical contact resistance.
  • the concave curved surfaces of the webs may have a radius of curvature which substantially corresponds to the radius of the screw head or the screw shaft.
  • the contact surfaces do not increase or increase in a direction opposite to the actuating direction increasingly.
  • the contact surfaces a z .B. have friction-increasing embossing. Such an embossing further strengthens the mechanical resistance and thus the securing effect.
  • At least one web has at least one bore oriented substantially coaxially with the direction of actuation and the shape of which gives the web a compliance relative to a clamping screw, the degree of compliance being determined by the shape of the bore.
  • the bore of the web can be dimensioned differently large, both in terms of their depth and their diameter.
  • the bore may have different cross sections, z. B. a circular or elliptical cross-section.
  • the recess is formed open against the insertion direction to allow insertion of the contact insert with preassembled clamping device in the insulating body.
  • the recess has an opening in the direction opposite to the insertion direction, which is large enough to introduce a pre-assembled on a contact insert clamping screw. This simplifies in particular the assembly of the connector, since the contact insert and the preassembled clamping device can be introduced as an assembly in the insulating body.
  • the contact insert in the region of the insertion opening has a contact inner surface for the conductor, against which the conductor is pressed by the clamping device and which has a macroscopic surface structure to increase the number of contact points of the conductor with the contact insert.
  • the macroscopic surface structure in one of the central longitudinal axis containing sectional view have a sawtooth-like profile, the tips of which point away from the insertion opening.
  • the sawtooth profile produces a directional mechanical resistance, similar to a barb, that does not significantly affect the movement of the conductor in one direction (insertion) while making it difficult to move in the opposite direction (withdrawal). This is achieved by the fact that the profile with its opposite movement of the tips increases the necessary extraction force of the conductor.
  • the contact insert may have an engagement region in which at least one positive connection point for forming the cylindrical contact insert is arranged.
  • a cylindrical contact insert can be produced from a substantially planar base material by providing an engagement formation, for example a bulge, and a corresponding receiving formation, for example a recess, for producing a positive connection at two outer edges of the flat base material to be joined.
  • the contact insert has at least one support surface for resting on at least one corresponding bearing surface in the insulating body.
  • the support surface allows on the one hand a positionally accurate introduction of the contact insert in the insulating body and limits the other hand, the insertion depth of the contact insert in the insulating body.
  • the contact insert has a conductor protection, which is integrally connected to the contact insert.
  • the conductor protection protrudes from the contact insert in the region of the insertion opening and is formed in a bending region with such a bend that it extends into the insertion opening.
  • the conductor protection have an embossing in its bending region, which allows a defined suspension of the conductor protection.
  • Such a conductor protection is particularly advantageous if the clamping device has a clamping screw, which would be in direct contact with the inserted conductor without conductor protection and possibly damage it.
  • such a conductor protection is always designed as a separate part, which must be additionally introduced and secured in the contact insert.
  • the integral design of the conductor protection makes an additional fuse superfluous without restricting the functionality of the conductor protection.
  • the clamping device may comprise a screwless clamping element in the form of a clamping spring which can be actuated by an opening arranged on the contact insert by means of an actuating tool.
  • the clamping spring in a sectional view containing the central longitudinal axis has a substantially V-shaped cross section with two legs, which are movable relative to each other due to elastic deformation.
  • the clamping spring may have a clamping leg to clamp the conductor against the contact insert, and a support leg for supporting the clamping spring on the contact insert.
  • the clamping spring can be used as a separate part in the contact insert or integrally formed connected to the contact insert.
  • the clamping spring may further comprise at its clamping leg a receptacle for the actuating tool.
  • This receptacle can be formed for example by a recess and / or a bent portion of the clamping leg.
  • the conductor is inserted into the insertion opening so far that the clamping leg - as soon as it is no longer held under tension with the actuating tool - presses the conductor against the contact surface in the region of the insertion opening and fastened in this way.
  • the opening on the contact insert is adapted in shape to the arrangement of the clamping spring in the contact insert, so that it provides at least one stop for supporting the actuating tool. As a result, in particular the handling of the actuating tool is facilitated.
  • the contact insert is designed to be made of a flat sheet by punching and bending.
  • the contact insert is structurally designed such that it can be punched out as a whole from a flat sheet metal and formed by bending individual parts to the cylindrical contact element. This allows a more cost-effective production compared to the common machining processes, such as turning the contact insert, and further reduces the production costs.
  • Fig. 1 shows a schematic isometric view of a connector 10.
  • the connector 10 has an insulating body 14 with two rows parallel to each other arranged electrical contact inserts 12. It is understood that in the insulating body 14 depending on the configuration of the connector 10 two, four, six, ten, sixteen, twenty-four, thirty-two, forty-eight, or up to two hundred sixteen and more contact inserts may be arranged in two or more substantially parallel rows.
  • Fig. 2 shows fragmentary (according to detail II in Fig. 1 ) The typical installation situation of a first contact insert 12 in an insulating body 14 of the connector 10.
  • the contact insert 12 is provided in this first embodiment with a clamping device comprising a clamping screw 16.
  • the webs 48 will be described below with respect to their function and geometry with reference to the Fig. 7 described in more detail.
  • Fig. 3 shows a schematic perspective view of a first contact insert 12 of a connector 10.
  • the contact insert 12 is substantially cylindrical and comprises at a first end a contact portion 18 for electrical connection with a diametrically shaped contact piece of the connector 10 and at its opposite second end frontally an insertion 20 with a central longitudinal axis L for receiving a conductor (not shown).
  • the insertion opening 20 is designed as a hollow cylindrical hole, wherein its central longitudinal axis L is oriented substantially coaxially to the contact portion 18.
  • the contact portion 18 forms with its spread ends at the first (in Fig. 3 lower) end of the contact insert 12 a socket, but it can also be designed as a pin with a closed first end (see. Fig. 9 ).
  • the contact insert 12 further has a cross-sectionally substantially square connecting portion 22 which is formed by bending and by means of an engaging portion 30 and 130 (see Fig. 9 ) is held together under positive locking.
  • a flat material such as a galvanized tape
  • a partial galvanization of the material used can be mounted in the connection region of the conductor and in the contact section 16 either on the outer surface in the case of a contact pin or on the inner surface in the case of a contact socket. In this way, it is ensured that a good electrical connection is made possible via the contact insert 12 of conductor and connector 10.
  • a hole in the form of a screw hole 24 (in Fig. 3 indicated) arranged to receive the clamping screw 16.
  • This can, for example, a screw with z. B. metric thread, wherein the screw hole 24 has a corresponding metric internal thread.
  • the clamping screw 16 may also have a self-tapping thread, whereby the process step of threading into the screw hole 24 of the connecting portion 22 is omitted.
  • the conductor is inserted through the insertion opening 20 along the central longitudinal axis L of the insertion opening 20 (based on Fig. 3 ) inserted from above into this, so that the end face of the stripping rests on unprepared conductor, or the extension of the wire end ferrule on the upper edge of the insertion opening 20.
  • an actuating tool for example, a screwdriver screwed deeper into the screw hole 24 and presses with the interposition of a conductor guard 26 the head against an inner surface of the insertion 20.
  • the clamping screw 16 also directly with her screw shank the Press the conductor against the inner surface.
  • the conductor protection 26 serves to protect the conductor from any damage by the clamping screw 16. As in Fig.
  • the leader will be in the in Fig. 3 illustrated embodiment pressed by the clamping screw 16 and the conductor guard 26 against a contact inner surface A in the region of the insertion opening 20 which is arranged on the opposite side of the screw hole 24 in the connecting portion 22 of the contact insert 12.
  • this has a macroscopic surface structure, here with a longitudinal sawtooth-like profile, the tips of which point away from the insertion opening 20 in the direction of the first end of the contact insert 12. In this case, even a slight deviation between insertion angle and exit angle is sufficient to allow such an effect as that of a barb.
  • the insertion angle can be more than 50 °, while the exit angle is less than 40 °, for example.
  • the introduced in the insertion opening conductor is thus secured in addition to the locking force caused by the clamping screw 16 against unwanted withdrawal from the contact insert 12.
  • two locking elements 38 are formed in the form of resilient latching hook in its connection region. These are simply punched out of the flat base material with the exception of a holding web 40 and bent outwards. In this way, a second end of the contact insert 12 facing active surface 42, which can be supported on a mounted on the insulating body 14 stop 44 in a direction opposite to the insertion direction E blocking.
  • the contact insert 12 is inserted in the insertion direction E in the insulating body 14 until the active surfaces 42 of the two locking elements 38 latch against the stops 44 and lock a pull-out movement by their engaged with the stops 44 active surfaces 42.
  • the locking elements 38 it is possible to secure the contact insert 12 without the use of additional insulating in the insulating body 14 of the connector 10 sufficiently against unwanted extraction.
  • the contact insert 12 is supported in the embodiment shown via four support surfaces 70 on corresponding bearing surfaces 72 in the insulating body 14.
  • the support surfaces 70 are in this case arranged on the substantially square connecting portion 22 in the bending corners.
  • the bearing surfaces 72 on the insulating body 14 are formed in that the receiving region of the insulating body 14 in the bending corners of the male contact insert 12 has a smaller cross-section than the contact insert 12.
  • at least one support surface 70 of the contact insert 12 and a corresponding bearing surface 72 on the Insulating body 14 may be formed in a different area than that of the bending corners of the contact insert 12.
  • Fig. 4 to 7 show different views and details of the introduced into the insulating body 14 first contact insert 12. It is in 4 and 5 the installation situation is shown both from the front as well as cut while Fig. 6 a detailed view of the mechanical latching of the contact insert 12 in the insulating body 14 represents.
  • the insulating body 14 has, as Fig. 2 and 4 to 7 show recesses 46 (see. Fig. 4 ), which are sufficiently large to introduce a clamping screw 16 and to ensure accessibility of the clamping screw 16 and thus to ensure an adjustment of the screwing of the clamping screw 16 in the screw hole 24. Furthermore, each recess 46 bounded on two opposite sides by webs 48, which are arranged parallel to each other and coaxial with the actuating direction B. The webs have in an area that in the front view Fig. 4 at the same height with the cylindrical screw head 36 of the clamping screw 16 has a thickened portion 50 which has a bore 52 substantially centrally disposed. At the two side edges of the webs 48 is in this section 50 (see. Fig.
  • the clamping screw 16 undergoes a mechanical resistance when inserted into the screw hole 24.
  • this contact surface 54 increases in the direction of actuation B increasingly, whereby the resistance in the form of an increasing braking or clamping action when screwing the clamping screw 16 also increases. This prevents loosening or loosening of the clamping screw 16 during transport.
  • contact surface A convex or to present a contact surface 54 of constant size in the direction of actuation B. It may also be useful, depending on the application, that the contact surface 54 increases in a direction opposite to the direction of actuation B.
  • the concave contact surfaces 54 have a radius of curvature that substantially corresponds to the radius of the screw head 36 and thereby produce a linear contact between the screw head 36 and the webs 48, whereby the mechanical resistance is more pronounced with otherwise identical parameters than with a punctiform Contact.
  • the mechanical resistance can be further enhanced by the fact that the contact surfaces 54, as in Fig. 7 to recognize, have a friction-increasing imprint. In this case, this embossment is formed by grooves extending essentially in one direction transversely to the circumferential direction of the screw head 36.
  • the holes 52 on the webs 48 may be formed as through holes or blind holes with different depths. In this way, it is also possible to influence the normal force acting on the circumferential surface of the screw head 36 and thus the mechanical resistance of the clamping screw 16.
  • the bores 52 may have a circular or elliptical cross-section.
  • FIGS. 8 to 12 show in a similar manner a second embodiment of a connector according to the invention, the second contact insert in its insulating body receives.
  • the same reference numerals are used as in the FIGS. 1 to 6 , but preceded by the number "1".
  • the clamping device of the second contact insert 112 comprises a screwless clamping element instead of a clamping screw. Furthermore, the second contact insert 112 has an opening 166 in its connection region 122 in order to actuate the clamping element through this opening 166.
  • This screwless clamping element 156 is used in the present embodiment of the contact insert 112 (see Fig. 9 ) is formed by a clamping spring 156, which is completely received in the contact insert and is substantially V-shaped with two legs 158, 160 is formed.
  • upper edge of the clamping spring 156 which in cross-section denotes the tip of the Vs at which the two legs 158, 160 are in contact, extends longitudinally in the example shown an upper end edge 128 and the second (in Fig. 9 upper) end of the contact insert 112 faces.
  • the effective direction of the clamping spring 156 is not consistent with the direction of actuation B.
  • the contact inner surface A is not opposite to the opening 166, but with respect to one of the legs of the clamping spring 156, the clamping leg 158 arranged.
  • the support leg 160 of the clamping spring 156 is supported with its surface facing away from the clamping leg 158 on an inner surface of the connecting portion 122, while the clamping leg 158 projects transversely from the support leg 160 in the direction of the contact surface 54 and presses against it.
  • the clamping leg 158 In its end remote from the second end of the contact insert 112, the clamping leg 158 has a bending section 162, so that it is substantially J-shaped.
  • the bending portion 162 oriented to the left in a "J" is disposed facing the support leg.
  • a tool receiving recess 164 may be arranged in the form of an elongate opening. Both the bending portion 162 and the Malawifactaus Principleung 164 serve to receive an actuating tool (not shown), by means of which the clamping leg 158 can be moved in the direction of the support leg 160.
  • the clamping member 156 may be latched, welded, glued or similarly secured in the connecting portion 122.
  • the opening 166 is arranged in the connecting portion 122 of the contact insert 112, comparable to the screw hole 24th of the first embodiment.
  • This can, as in Fig. 7 shown adapted in shape to the outer contour of the clamping spring 156, here to the V-shape of the clamping spring 156. In this way it is ensured that in at least one area is given a stop for the operating tool.
  • the contact portion 118 of the contact insert 112 is in Fig. 9 formed in the form of a pin, wherein the lower ends, which face the first end of the contact insert 112, are bent towards each other.
  • a substantially conical stylus tip 168 is formed, by means of which the penetration of the pin-shaped contact insert is simplified into a complementary socket.
  • FIGS. 9 to 12 also show analogous to the FIGS. 3 to 6 different details of the connector 110 according to the invention with plugged contact insert 112th

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (15)

  1. Connecteur enfichable (10 ; 110) doté d'un corps isolant (14 ; 114) réalisé d'une seule pièce et d'au moins un insert de contact (12 ; 112) de forme pour l'essentiel cylindrique, ledit insert de contact (12 ; 112) présentant
    - à une première extrémité, un segment de contact (18 ; 118) pour une liaison électrique avec une pièce de contact contre-formée du connecteur enfichable (10 ; 110),
    - à une deuxième extrémité, une ouverture d'introduction (20 ; 120) avec un axe longitudinal médian (L) pour le logement d'un conducteur,
    - un dispositif de serrage autorisant un actionnement dudit dispositif de serrage pour la fixation amovible du conducteur à loger depuis une direction (B) perpendiculaire audit axe longitudinal médian (L), le dispositif de serrage comportant soit une vis de serrage (16), soit un élément de serrage sans vis (156), et
    - un segment de liaison (22 ; 122) pour la liaison mécanique de l'insert de contact (12 ; 112) au corps isolant (14 ; 114), et
    le corps isolant (14 ; 114) étant réalisé avec une zone de logement destinée au logement dudit insert de contact (12 ; 112) et présentant au moins une butée (44 ; 144) pour coopérer avec un élément d'encliquetage (38 ; 138) agencé sur ledit segment de liaison (22 ; 122) pour la fixation de l'insert de contact,
    et présentant dans sa zone de logement au moins une réservation (46 ; 146) dimensionnée de telle sorte qu'elle permet aussi bien possible l'introduction de la vis de serrage (16) dans ladite réservation (46 ; 146) que l'accès depuis l'extérieur à l'élément de serrage sans vis (156), par l'intermédiaire de cette réservation (46 ; 146),
    caractérisé en ce que ladite réservation (46 ; 146) du corps isolant (14 ; 114) est délimitée sur deux côtés diamétralement opposés par des barrettes (48 ; 148) disposées pour l'essentiel parallèles les unes par rapport autres et orientées coaxialement par rapport à la direction d'actionnement (B), au moins une barrette (48 ; 148) possédant une ouverture (52 ; 152) qui est orientée pour l'essentiel coaxialement par rapport à la direction d'actionnement (B) et dont la forme confère à la barrette (48 ; 148) une capacité d'élasticité par rapport à une vis de serrage (16), la mesure de cette capacité d'élasticité étant déterminée par la forme de l'ouverture (52 ; 152).
  2. Connecteur enfichable (10 ; 110) selon la revendication 1,
    caractérisé en ce que l'élément d'encliquetage (38 ; 138) est formé de manière élastique pour permettre un déplacement de l'insert de contact (12 ; 112) dans une direction d'introduction (E) et pour s'appuyer sur la butée (44 ; 114) à l'aide d'une surface active (42 ; 142), avec effet bloquant, dans une direction opposée à la direction d'introduction (E).
  3. Connecteur enfichable (10 ; 110) selon la revendication 1 ou 2,
    caractérisé en ce que l'élément d'encliquetage (38 ; 138) comporte un crochet d'encliquetage élastique relié de préférence intégralement à l'insert de contact (12 ; 112).
  4. Connecteur enfichable (10 ; 110) selon l'une des revendications 1 à 3,
    les barrettes (48 ; 148) présentant sur les flancs se faisant face respectivement une surface de contact (54 ; 154) pour une tête de vis de la vis de serrage (16), préférentiellement lesdites surfaces de contact (54 ; 154) étant formées de manière concave et allant en s'agrandissant dans la direction d'actionnement (B), et préférentiellement les surfaces de contact (54 ; 154) présentant une empreinte.
  5. Connecteur enfichable (10 ; 110) selon l'une des revendications 1 à 4, les ouvertures (52 ; 152) pratiquées dans les barrettes (48 ; 148) présentant une section circulaire ou elliptique.
  6. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, caractérisé en ce que la réservation (46 ; 146) est réalisée ouverte à l'opposé de la direction d'introduction (E) pour permettre l'introduction de l'insert de contact (12 ; 112) avec le dispositif de serrage pré-monté dans le corps isolant (14 ; 114).
  7. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, caractérisé en ce que l'insert de contact (12 ; 112) présente dans la zone de l'ouverture d'introduction (20 ; 120) une surface intérieure de contact (A) pour le conducteur, contre laquelle le conducteur est pressé par le dispositif de serrage et qui, pour augmenter le nombre des points de contact du conducteur avec l'insert de contact (12 ; 112), possède une structure de surface macroscopique, préférentiellement ladite structure de surface macroscopique présentant dans une vue en coupe contenant l'axe longitudinal médian (L) un profil en dents de scie dont les pointes sont dirigées en éloignement de l'ouverture d'introduction (20 ; 120).
  8. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, caractérisé en ce que l'insert de contact (12 ; 112) présente une zone de prise (30 ; 130), dans laquelle est agencé au moins un point de liaison à complémentarité de forme pour former l'insert de contact (12 ; 112) de forme cylindrique.
  9. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, l'insert de contact (12) présentant au moins une surface d'appui (70 ; 170) pour l'appui sur au moins une surface d'appui correspondante (72 ; 172) ménagée dans le corps isolant (14 ; 114).
  10. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, l'insert de contact (12) présentant un dispositif de protection de conducteur (26) qui est intégralement relié à l'insert de contact (12).
  11. Connecteur enfichable (10 ; 110) selon la revendication 10, ledit dispositif de protection de conducteur (26) faisant saillie de l'insert du contact (12), dans la zone de l'ouverture d'introduction (20), et étant formé dans une zone de flexion avec une telle flexion (32) qu'il s'étend à l'intérieur de l'ouverture d'introduction (20), et préférentiellement le dispostif de protection de conducteur (26) présentant dans sa zone de flexion une empreinte (34) qui permet une élasticité définie du dispositif de protection de conducteur (26).
  12. Connecteur enfichable (110) selon l'une des revendications précédentes, caractérisé en ce que l'élément de serrage sans vis (156) comprend un ressort de serrage actionnable au moyen d'un outil d'actionnement, à travers une ouverture (166) agencée sur l'insert de contact (112), préférentiellement ledit ressort de serrage (156) présentant, dans une vue en coupe contenant l'axe longitudinal médian (L), une section pour l'essentiel en forme de V avec deux bras (158 ; 160) qui, suite à une déformation élastique, peuvent se déplacer l'un par rapport à l'autre.
  13. Connecteur enfichable (110) selon la revendication 12, le ressort de serrage (156) présentant un bras de serrage (158) pour serrer le conducteur contre l'insert de contact (112), ainsi qu'un bras d'appui (160) pour l'appui du ressort de serrage (156) sur l'insert de contact (112), préférentiellement le ressort de serrage (156) présentant à son bras de serrage (158) un logement (162 ; 164) pour l'outil d'actionnement.
  14. Connecteur enfichable (110) selon lune des revendications 11 ou 12, caractérisé en ce que l'ouverture (166) sur l'insert de contact (112) est, dans sa forme, adaptée à l'agencement du ressort de serrage (156) dans l'insert de contact (112) si bien qu'elle fournit au moins une butée pour l'appui de l'outil d'actionnement.
  15. Connecteur enfichable (10 ; 110) selon l'une des revendications précédentes, caractérisé en ce que l'insert de contact (12 ; 112) est fabriqué par poinçonnage et par pliage à partir d'une tôle plane.
EP08014369.6A 2007-09-10 2008-08-12 Connecteur à fiches doté d'un corps d'isolation en une pièce Active EP2034562B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007042944A DE102007042944A1 (de) 2007-09-10 2007-09-10 Steckverbinder mit einem einteiligen Isolierkörper

Publications (3)

Publication Number Publication Date
EP2034562A2 EP2034562A2 (fr) 2009-03-11
EP2034562A3 EP2034562A3 (fr) 2012-09-26
EP2034562B1 true EP2034562B1 (fr) 2013-10-09

Family

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Application Number Title Priority Date Filing Date
EP08014369.6A Active EP2034562B1 (fr) 2007-09-10 2008-08-12 Connecteur à fiches doté d'un corps d'isolation en une pièce

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EP (1) EP2034562B1 (fr)
DE (1) DE102007042944A1 (fr)
ES (1) ES2439460T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3386033A1 (fr) 2017-04-07 2018-10-10 Lapp Engineering & Co. Corps isolant d'une unité de connecteur
EP4266509A1 (fr) 2022-04-19 2023-10-25 Lapp Engineering AG Unité de connecteur enfichable et connecteur enfichable

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT508278B1 (de) * 2009-06-10 2011-12-15 Siemens Ag Klemme mit einer klemmfeder
EP2495825A1 (fr) 2011-03-02 2012-09-05 Lapp Engineering & Co. Connecteur à fiches
DE102013019695B4 (de) * 2013-11-26 2018-06-07 Amphenol-Tuchel Electronics Gmbh Steckverbinder mit einem Steckverbinderkontaktträger
DE102014002054A1 (de) * 2014-02-18 2015-09-03 Wieland Electric Gmbh Leiteranschluss für einen Steckverbinder
DE102020003770B4 (de) * 2020-06-19 2023-06-29 Sbs Massenbachhausen Verwaltungs Gmbh Elektrischer Kontakt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537469A1 (de) * 1975-08-22 1977-03-03 Wieland Elektrische Industrie Elektrische leitungsklemme
US4174147A (en) * 1977-03-01 1979-11-13 Amerace Corporation Circuit panel connector
DE8235354U1 (de) * 1982-12-16 1983-05-11 Köttgen GmbH & Co KG, 5060 Bergisch Gladbach Schraubverbinder für Starkstromkabel
DE102005053565A1 (de) * 2005-11-08 2007-07-12 Aloys Mennekes Anlagengesellschaft Mbh & Co. Kg Steckerstift mit Schneidklemme

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3386033A1 (fr) 2017-04-07 2018-10-10 Lapp Engineering & Co. Corps isolant d'une unité de connecteur
US10148030B2 (en) 2017-04-07 2018-12-04 Lapp Engineering & Co. Insulating body for an electrical plug connection unit
EP4266509A1 (fr) 2022-04-19 2023-10-25 Lapp Engineering AG Unité de connecteur enfichable et connecteur enfichable

Also Published As

Publication number Publication date
DE102007042944A1 (de) 2009-03-12
EP2034562A3 (fr) 2012-09-26
ES2439460T3 (es) 2014-01-23
EP2034562A2 (fr) 2009-03-11

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