EP2577805A1 - Élément de contact pour ensemble connecteur - Google Patents

Élément de contact pour ensemble connecteur

Info

Publication number
EP2577805A1
EP2577805A1 EP11722469.1A EP11722469A EP2577805A1 EP 2577805 A1 EP2577805 A1 EP 2577805A1 EP 11722469 A EP11722469 A EP 11722469A EP 2577805 A1 EP2577805 A1 EP 2577805A1
Authority
EP
European Patent Office
Prior art keywords
clamping
contact element
section
cable
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11722469.1A
Other languages
German (de)
English (en)
Inventor
Sebastien Enderlin
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.)
Multi Holding AG
Original Assignee
Multi Holding 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 Multi Holding AG filed Critical Multi Holding AG
Publication of EP2577805A1 publication Critical patent/EP2577805A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • H01R13/5804—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 comprising a separate cable clamping part
    • 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
    • H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam

Definitions

  • the present invention relates to a contact element for a plug arrangement according to the preamble of claim 1.
  • DE 101 52 520 shows such a contact element, which is in communication with a plug element.
  • a disadvantage of such a contact element is the fact that at a tensile force on the cable, as occurs for example when disconnecting a connection between two cables, the cable can be torn out of the plug element and so the electrical connection is impaired.
  • connection between the cable and the plug-in element can easily be released during the service life, which leads to loose contacts, which are difficult to locate.
  • an easy-to-use contact element is to be specified, which also ensures good electrical connection between cable and clamp connector and at the same time to prevent tensile stresses on the cable, that the electrical connection is impaired.
  • This object is solved by the features of claim 1. Accordingly, a contact element for mechanical clamping and electrical connection of a cable with the contact element is used.
  • the cable comprises strands and an insulation surrounding the strands, the strands being exposed in a strand section and being enveloped by the insulation in an insulation section adjoining the strand section. The strands are therefore exposed in the front part of the cable, in the region of the end of the cable and are therefore no longer surrounded by the insulation.
  • the contact element comprises a receiving portion for receiving the cable and a clamping lever which is movably connected to the receiving portion.
  • the clamping lever comprises a first clamping portion and a second clamping portion, wherein the first clamping portion comes to lie in a contacting region of the receiving portion, in which an electrical contact between the strand portion and contact element is mediated, and wherein the second clamping portion comes to lie in a clamping region of the receiving portion in which the insulation section is mechanically clamped.
  • the clamping lever is formed separately from the contact element, which consists essentially of the receiving portion and the contact portion, wherein the clamping lever is pivotally mounted about an axis of rotation to the contact element.
  • the first clamping portion acts on the stranded portion of the cable, so that the strands between the receiving portion and clamping lever mechanically and electrically be clamped
  • the second clamping portion acts on the insulation portion of the cable, so that the insulation portion between the receiving portion and clamping lever for strain relief is clamped mechanically and electrically insulating.
  • the clamping lever preferably has at least one clamping edge at the clamping sections. About such a clamping edge, a good electrical contact and mechanical clamping can be achieved at the corresponding areas.
  • the movement of the clamping lever is preferably carried out about a pivot point, wherein the respective at least one clamping edge of the first clamping portion and the second clamping portion with respect to the pivot point lie on the same side.
  • the clamping lever has a bearing portion, with which the clamping lever is in communication with the receiving portion, wherein the first and the second clamping portion are integrally formed on the bearing portion so that they extend in regions in the same direction.
  • the surfaces of the contact element which are in communication with the cable, in particular with the insulation section and the strand section, are preferably at least partially provided with a structure which increases the friction between the cable and the respective surface of the contact element. This can further increase the quality of the connection.
  • the friction increasing structure is at least one mandrel protruding from the corresponding surface, and / or the friction increasing structure is at least one groove penetrating into the corresponding surface.
  • the at least one mandrel communicates with the insulation portion and the grooves with the strand portion in connection.
  • the contact element further comprises a contact portion, which adjoins the receiving portion and is preferably integrally connected thereto, and wherein the contact element via the contact portion with other electrically conductive Elements, such as another contact element is electrically conductively connected.
  • the contact portion has the shape of a plug or a socket.
  • the sockets of a first contact element with the plug of a second contact element is electrically connected.
  • the Aufhahmeabites further comprises at least one, preferably two, three or four, locking element (s), in which locking lugs of the clamping lever can engage.
  • the clamping lever can be secured.
  • the contact element comprises a stop element, to which the cable with the strands or the strand section can be stopped.
  • a stop element to which the cable with the strands or the strand section can be stopped.
  • the clamping lever is pivotally connected to the Aufhahmeabites in connection.
  • the clamping lever may be slidably connected to the receiving portion in communication with the receiving portion.
  • Fig. 1 is a perspective view of a contact element from the front in the
  • FIG. 2 is a rear perspective view of the contact element of FIG. 1;
  • FIG. Fig. 3 is a sectional view of the contact element of Fig. 1 along the
  • FIG. 4 is a sectional view of the contact element of FIG. 1 along the central axis with the cable clamped; FIG. and
  • FIG. 5 is a perspective view of a contact element in the form of a
  • FIG. 1 shows a perspective view of a contact element 1 for mechanical clamping and electrical connection of a cable with the contact element 1.
  • the cable has essentially two points of contact with the contact element 1.
  • a clamping force is exerted on the cable by the contact element 1, so that it is secured against tensile forces in the direction of the cable.
  • the cable is electrically connected to the contact element 1.
  • the contact element 1 is preferably used in a plug connection for mediating an electrical contact between two connection parts, such as a socket and a plug part.
  • a first contact element 1 is placed in the socket part and a second contact element 1 in the plug part, wherein upon plugging the socket part with the plug part, an electrical contact between the first contact element 1 and the second contact element 1 can be taught.
  • the two cables, which are in communication with the contact elements 1 are electrically connected to each other.
  • the socket part and the plug part can be designed as desired, wherein these are preferably made of a material insulating the electric current.
  • the contact element 1 comprises a receiving portion 2, a contact portion 3 and a clamping lever 4, which is movable with the Aufiiahmeabterrorism 2, here pivotally connected via a rotation axis D.
  • the clamping lever 4 is formed as a separate element of the contact element 1, which essentially comprises the Aufiiahmeabêt 2 and here still the contact portion 3.
  • the embarkiiahmeabêt 2 serves essentially to receive the cable for mechanical clamping, as well as for the electrical contact.
  • the contact portion 3, which adjoins the Aufiiahmeabêt 2 essentially serves the electrical contact with the contact portion 3 of a further contact element 3 or a another arbitrary contact element, which may for example be part of a device.
  • the clamping lever 4 can be operated from a releasing position in a clamping position, wherein in the releasing position, the cable 5 is not clamped and wherein in the clamping position, the cable 5 between clamping lever and Aurhahmeabites 2 is firmly clamped.
  • the clamping lever 4 comprises, as can be clearly seen in FIGS. 3 and 4, essentially a first clamping section 40 and a second clamping section 41.
  • the first clamping section 40 clamps the strands 51 of the cable 5 in the receiving section 2 both mechanically and electrically connected to the Aur shakingabites 2.
  • an electric current conductive contact between strands 51 and Aurhahmeabêt 2 or contact element 1 is mediated.
  • the strand section 51 or the strands 51 can be clamped directly and inexpensively to the fitting section via the first clamping section 40. By directly and immediately, it is meant that there is no other element between the clamping portion 40 and the strand portion 51.
  • the second clamping portion 41 acts on the insulation 50 of the cable and thus clamps the cable 5 in the turning section 2. It is clear from the figures that the insulating section 50 or the insulation 50 can be clamped directly and directly to the arming section via the second clamping section 41 , By directly and immediately, it is understood that there is no other element between the clamping portion 41 and the insulating portion 51.
  • the clamping on the insulation 50 acts as a strain relief, wherein the cable is clamped mechanically and electrically insulating between the clamping lever 4 and the receiving portion 2.
  • the second clamping portion 41 can easily penetrate into the insulation 50.
  • the first clamping portion 40 has an effective lever length Hl, which is shorter than the effective lever length H2 of the second clamping portion 41.
  • Hl the length from the pivot point D to the point at which the respective clamping lever with the insulation 50 and the strand 51 of the cable 5 is connected, understood.
  • H2 is greater than Hl by a factor of 1.5 to 8, more preferably by a factor of 2 to 5.
  • the receiving portion 2 extends over a clamping region 22, in which the cable is mechanically clamped for strain relief, wherein the clamping region 22 then a contacting region 23 connects, in which the electrical contact between the cable and contact element is produced.
  • the interior 20 Seen from the central axis Ml forth, the interior 20 is bounded at the bottom by a wall 24 and is open at the top, wherein over the interior 20 of the clamping lever 4 comes to rest, as will be described with reference to FIG 3 then.
  • the wall 24 and the inner space 20 extend over the clamping region 22 and the contacting region 23.
  • the clamping region 22 has a substantially semicircular cross-section as seen in cross-section perpendicular to the central axis M. Other cross sections are also conceivable.
  • the cable 5 is clamped with the clamping lever 4 via the insulation 50, that is to say that the cable 5 lies with the insulation 50 in the clamping region 22.
  • Each of the two latching portions 25 has at least one, here two, locking lugs 250, in which the clamping lever 4 can engage when it is in.
  • one latching portion 25 extends from the wall 24 on both sides of the opening 21 the clamping position is located.
  • the arrangement of several detents has the advantage that cables with different cross sections can be clamped. Consequently, the clamping lever 4 engages directly and exclusively on the clamping element 1, here on the latching portion 25, and an additional support via an external element, such as a housing, is omitted here.
  • the clamping portion 22 at least one reinforcing bead 26, which the Clamping area 22 provides greater stability.
  • the reinforcing bead 26 is here arranged in the region of the latching sections 25 and extends over the entire wall 24.
  • a friction between the insulation 50 of the cable 5 and the clamping region 22 structure can be arranged in the base 220 of the clamping region 22.
  • this structure is shown by a mandrel 221, which may partially penetrate the insulation or which partially deforms the insulation.
  • the contacting region 23, viewed in cross-section perpendicular to the central axis M1, has a substantially rectangular cross-section. Other cross sections are also conceivable. In the contacting region 23, the strands 51 of the cable 5 come to rest.
  • the strand 51 rest on a contact surface 230.
  • the contacting region 23 has a friction-increasing structure, in this case a multiplicity of grooves 27, which improve the electrical contact between the cable and the contact element 1.
  • the grooves 27 can be dispensed with.
  • the contacting region 23 further has a stop element 28 which serves as a stop for the cable to be clamped and extends into the interior 20 substantially perpendicular to the central axis M1.
  • Each of the bearing sections 29 comprises a bearing opening 290, in which the clamping lever 4 is pivotably mounted.
  • the two bearing openings 290 define a rotation axis D about which the clamping lever 4 can be pivoted.
  • the bearing portion 29 includes optional position pawls 291, which easily lock the clamping lever 4 in the open position against a closing movement S to the interior 20 out.
  • the bearing portion 29 stops 293 at which the clamping lever 4 may be present in the open position.
  • the bearing openings 290 also include an elongate opening 294, which as Mounting aid for the clamping lever is used.
  • the contact portion 3 extends along a second center axis M2.
  • the second center axis M2 preferably runs parallel to the first center axis M1.
  • the second center axis M2 can also run at an angle to the first central axis M1, so that contact section 3 and receiving section 2 are at an angle to one another.
  • the contact portion 3 may be formed both as a plug or as a socket. In the figures 1 to 3, an embodiment is shown as a socket 30, while in the figure
  • plug 31 an embodiment is shown as plug 31.
  • the contact element 1 can be formed both as a plug element, as well as a socket element.
  • the plug 31 of the plug element 1 is guided into the socket of the socket element 1 (see FIGS. 1 to 3).
  • the bushing 30 essentially comprises a bushing opening 32 extending along the second center axis M2.
  • a contact blade 33 or another element improving the electrical contact between bushing and plug is preferably arranged in the bushing opening 32.
  • the contact blade 33 is here in the direction of the central axis M2 of stop elements 34 at.
  • the stop elements 34 may be arranged both in front of and behind the contact blade 33, so that a displacement thereof in the bushing opening 32 is prevented.
  • the plug 31 essentially has a cylindrical shaft 35, which likewise extends along the second center axis M2.
  • the cylindrical shaft 35 in this case has a diameter which is smaller than the diameter of the bushing opening 32, so that the shaft 35 can be inserted into the bushing opening 32.
  • the receiving portion 2 and the contact portion 3 are preferably integrally connected to each other, that is, the two sections form a single element.
  • the clamping lever 4 has a first clamping section 40 and a second clamping section 41.
  • the two clamping portions 40, 41 are connected to each other via a bearing portion 42.
  • the bearing portion 42, two bearings 43 are formed, with which the clamping lever is mounted in the bearing opening 290.
  • the arrangement of the two clamping sections 40, 41 will now be explained with reference to FIG.
  • the two clamping portions 40, 41 are arranged with respect to the axis of rotation D so that the clamping portions 40, 41 and the clamping edge 403, 413 seen from the axis of rotation D come to rest on the same side.
  • the first clamping section 40 extends from the right-hand side, via an arc 400, which is then followed by a substantially straight leg 401.
  • the leg 401 is followed by a clamping leg 402, which comes into contact with the strands 51.
  • the leg 401 has a length such that the clamping leg 402 comes to rest behind the pivot point D when viewed from the arc 400.
  • the clamping leg 402 comprises a clamping edge 403 which acts on the strands 51 and presses them against the contact surface 230 of the contacting region 23.
  • the clamping leg 402 has a similar shape with respect to the contacting region 23 in the direction of the central axis M1.
  • the edge 403 of the clamping leg 402 which also extends on the strands 51 as a straight line, runs.
  • Other shapes are also conceivable, with complementary shapes being preferred.
  • an edge is understood here, as can be seen in the drawings, the end face of the respective element.
  • the second clamping section 41 extends from the left side via a substantially curved elbow 410, which is adjoined by a leg 411 which leads into the actual clamping leg 412.
  • the clamping leg 412 acts on the insulation 50 of the cable 5.
  • the clamping leg 412 has a convex clamping edge 413, which is here provided with optional engagement prongs 414.
  • the clamping edge 413 can also be designed differently, for example as a straight line.
  • two latching elements 416 are arranged on both sides, which can enter into a latching connection with the latching lugs 250 when the clamping lever 4 is in the inhibiting position.
  • the locking elements 416 may also have guide elements 417, which guide the clamping lever 4 on the bearing portion 25 side.
  • a tab 425 may additionally be provided, which is formed out of the elbow 420.
  • the user can press the clamping lever 4 from its initial position in the clamping position and apply the appropriate force.
  • the tab 425 also has the effect that the region of the elbow 420, in which the tabs 425 is located, consists essentially of two mutually parallel webs. These webs can be easily resiliently bend in the preparation of the clamping connection, which allows a particularly simple engagement.
  • the contact element 1 is made of a material which conducts electricity. Preferably from a spring bronze.
  • the contact element 1 is produced by a stamping and forming process and is preferably used in a plug or socket housing made of a material which insulates the electrical current.
  • a spring steel is used for the clamping lever 4 and a brass alloy is used for the receiving section 2 and the contact section 3.
  • Socket M1 first central axis

Abstract

L'élément de contact (1) selon l'invention sert au serrage mécanique et à la connexion électrique d'un câble à l'élément de contact (1). Le câble (5) comprend des torons (51) et une isolation (50) enrobant les torons, les torons (51) étant nus dans une section de torons (51) et enrobés par l'isolation dans une section d'isolation (50) adjacente à la section de torons (51). L'élément de contact (1) comprend une section de logement (2) servant à loger le câble (5) et un levier de serrage (4) qui est raccordé de façon mobile à la section de logement (2). Le levier de serrage (4) comprend une première section de serrage (40) et une seconde section de serrage (41), la première section de serrage (40) étant disposée dans une zone de contact (23) de la section de logement (2), dans laquelle un contact électrique est établi entre la section de torons (51) et l'élément de contact (1), et la seconde section de serrage (41) étant disposée dans une zone de serrage (22) de la section de logement (2), dans laquelle la section d'isolation (50) est serrée mécaniquement.
EP11722469.1A 2010-06-04 2011-06-01 Élément de contact pour ensemble connecteur Withdrawn EP2577805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH8982010 2010-06-04
PCT/EP2011/059085 WO2011151393A1 (fr) 2010-06-04 2011-06-01 Élément de contact pour ensemble connecteur

Publications (1)

Publication Number Publication Date
EP2577805A1 true EP2577805A1 (fr) 2013-04-10

Family

ID=42635106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11722469.1A Withdrawn EP2577805A1 (fr) 2010-06-04 2011-06-01 Élément de contact pour ensemble connecteur

Country Status (3)

Country Link
EP (1) EP2577805A1 (fr)
CN (1) CN102934287A (fr)
WO (1) WO2011151393A1 (fr)

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CN103840277B (zh) * 2014-03-05 2016-02-17 国家电网公司 66kV输电线路引流线带电连接线夹
DE102014117949B4 (de) * 2014-12-05 2023-08-17 Unimet Gmbh Kontaktmodul mit Klemmeinrichtung
JP6563272B2 (ja) * 2015-08-04 2019-08-21 タイコエレクトロニクスジャパン合同会社 電気端子
DE202015104962U1 (de) * 2015-09-18 2016-12-21 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
BE1024468B1 (de) 2017-02-27 2018-02-28 Phoenix Contact Gmbh & Co Federkraftanschluss und Rundsteckverbinder mit einer Vielzahl von Federkraftanschlüssen
TWI691132B (zh) * 2017-07-06 2020-04-11 進聯工業股份有限公司 導線聯接端子之導電組件結構
DE202017105162U1 (de) * 2017-08-28 2018-11-30 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
JP6885295B2 (ja) * 2017-10-24 2021-06-09 株式会社オートネットワーク技術研究所 コネクタ端子およびコネクタ
DE102018128431B4 (de) * 2018-11-13 2020-06-10 Phoenix Contact Gmbh & Co. Kg Anschlussklemmenanordnung zum Anschließen eines elektrischen Leiters
JP2020119689A (ja) * 2019-01-22 2020-08-06 株式会社ヨコオ コネクタ
DE102019123949B4 (de) * 2019-09-06 2021-03-18 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme mit Klemmfeder

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Also Published As

Publication number Publication date
WO2011151393A1 (fr) 2011-12-08
CN102934287A (zh) 2013-02-13

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