EP3208889B1 - Bloc de jonction à ressort de traction - Google Patents

Bloc de jonction à ressort de traction Download PDF

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Publication number
EP3208889B1
EP3208889B1 EP17153746.7A EP17153746A EP3208889B1 EP 3208889 B1 EP3208889 B1 EP 3208889B1 EP 17153746 A EP17153746 A EP 17153746A EP 3208889 B1 EP3208889 B1 EP 3208889B1
Authority
EP
European Patent Office
Prior art keywords
spring
actuating
housing
arms
expansion element
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
EP17153746.7A
Other languages
German (de)
English (en)
Other versions
EP3208889A1 (fr
Inventor
Artur Dura
Dariusz Izydorczyk
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3208889A1 publication Critical patent/EP3208889A1/fr
Application granted granted Critical
Publication of EP3208889B1 publication Critical patent/EP3208889B1/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
    • H01R4/4809—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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • 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
    • 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
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the 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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2416—Means for guiding or retaining wires or cables connected to terminal blocks

Definitions

  • the invention relates to a tension spring clamp, in particular for connecting an electrical component, with a housing, with at least two loop-shaped tension springs arranged inside the housing, with at least two current bars and with at least one actuating element for opening the tension springs.
  • the two tension springs each having a clamping leg with a clamping window, a plant leg and a clamping leg with the plant leg connecting spring legs are arranged in mirror image to each other that the spring legs face each other.
  • the actuating element is arranged between the two tension springs and can be brought from a first position in which the tension springs are closed into a second position in which the tension springs are open, the actuating element deflecting the spring legs in its second position, so that the clamping windows are open in the clamping legs.
  • tension spring terminals have been used in industrial connection technology for decades.
  • the loop-shaped tension spring is opened with an actuating tool, so that a conductor to be connected or a connecting wire of an electrical component can be inserted through the clamping window in the clamping leg of the tension spring in the connection space.
  • the actuating tool relaxes the tension spring, whereby the conductor or the lead wire is pulled by the spring force of the tension spring against the voltage applied to the plant leg of the tension spring current bar.
  • spring clips are often used in cabinets as a connection or feed-through terminal.
  • spring-cage terminals are often designed as four-conductor, double-deck or three-pole spring-cage terminals.
  • the individual terminals are also usually designed so that a plurality of terminals can be lined up to form a terminal block. becomes.
  • spring-cage terminals also used as terminals for printed circuits as so-called print terminals.
  • a to be connected to the tension spring conductor is inserted with the tension spring open by a corresponding conductor insertion opening in the housing.
  • an actuating opening is usually formed in the housing, in which a corresponding actuating tool, such as the tip of a screwdriver, can be introduced to open the tension spring.
  • the screwdriver tip presses during the opening operation against the spring leg of the tension spring, so that the clamping leg is depressed and thus the clamping window is opened.
  • the DE 42 39 480 A1 discloses a tension spring clamp having two pivotally mounted actuating levers for opening two tension springs.
  • the actuation handles include pushers, which can be engaged with a screwdriver. These actuation levers are designed as levers with lever arms of different lengths. On a lever arm, the pusher recess is arranged, wherein acts on the other lever arm, the force for deflecting the respective associated tension spring.
  • a disadvantage of this embodiment is that the clamping points can only be operated one after the other.
  • a tension spring clamp with which two tension springs can be opened at the same time shows the DE 102 53 517 B3 ,
  • the two tension springs are arranged in mirror image to each other, with the spring legs are opposite.
  • an actuating tool can be introduced in an elastic expansion body, which is arranged between the two tension springs and bears against both spring legs.
  • By turning the actuating tool of the elastic expansion body is widened by the width of the actuating tool, whereby the two spring legs deflected and thus the tension springs are opened.
  • the spreader After pressing the spreader and subsequent removal of the BeHencerienstechnikmaschinemaschinemaschinemaschinens the spreader returns to its original shape.
  • a disadvantage of this embodiment is that a tension spring clamp with such an expansion body is relatively inflexible in its dimensions, in particular as regards the arrangement of the tension springs. For contacting larger electrical components such a tension spring clamp is therefore unsuitable.
  • tension spring clamp according to the invention is that the actuating arms of the respective application can be adjusted accordingly. They can for example be designed as elongated bars. If a tension spring clamp for larger electrical components, such as diodes, is required, in which the two connecting wires have a correspondingly greater distance from each other, so only the actuating arms must be increased in their longitudinal extent. For smaller components correspondingly shorter actuation arms suffice.
  • the configuration of the expansion element and the position of the expansion element can remain unchanged. The dimensions of the expansion element can remain the same. In this way, a tension spring clamp according to the invention can be formed by appropriate choice of the length of the actuating arms for the connection of electrical components of different sizes.
  • the actuating arms Upon actuation of the actuating element, the actuating arms are moved by the expansion element in the direction of the spring legs of the tension springs. The spring legs are thereby deflected, so that then acts on the actuating arms, a spring force in the direction of the expansion element as restoring force.
  • the actuation can be realized by an actuating tool which is inserted through an opening in the housing. It is also conceivable Actuating mechanism, which is formed directly on the housing, so that can be dispensed with an external operating tool. If the operating tool is removed or the actuating mechanism is operated in such a way that the first position is reached, the spring force of the tension springs or of the spring legs acts on the actuating arms. Since the spring force then counteracts no force by the actuating tool, the actuating arms return to the first position, so that the tension springs are no longer open.
  • the expansion element is resilient and has two spring arms.
  • the spring arms are deflected in the second position of the actuating element from its rest state.
  • the expansion element can be easily moved, for example, by an actuating tool from the first position to the second position.
  • the expansion element returns due to its resilient property back to the first position. The expansion element is thus anxious to remain in the first position or to return to the first position.
  • the actuating element that is to say the expanding element and the two actuating arms, is configured symmetrically with respect to an axis which runs parallel to an extension direction of the expanding element.
  • the actuating arms are thus configured identically.
  • Such a symmetrical arrangement is not absolutely necessary, but it facilitates the manufacture of the elements, since only two different components must be made.
  • the actuating arms may also have different dimensions, so that the expansion element in the installed position does not have the same distance from the two tension springs.
  • the actuating element is integrally formed.
  • the actuating element can be produced for example by injection molding.
  • a plastic offers itself as a material particularly because it has the necessary elastic properties and at the same time has an electrically insulating effect.
  • the positioning of the actuating element is facilitated by the one-piece design.
  • the actuating element is thus self-positioning, that is, the resilient expansion element ensures that the actuating arms always return to the first position.
  • the spreader is elongate and rotatably mounted in the housing.
  • the expansion element is not formed integrally with the actuating arms, so that the expansion element is rotatable relative to the actuating arms.
  • the longitudinal axis of the expansion element is arranged in the first position perpendicular to the longitudinal axis of the actuating arms and in the second position parallel to the longitudinal axis of the actuating arms. Due to the elongated configuration of the expansion element, the actuating arms are pressed apart by rotating the elongated expansion element from the first position to the second position. The actuating arms are moved in the direction of the tension springs or on the spring legs and deflect this. The tension springs are opened.
  • the spring force of the tension springs acts in the second position on the actuating arms in the direction of the expansion element. If the expansion element is rotated back into the first position, the actuating arms can also return to the first position by the spring force.
  • the expansion element may have a recess for receiving an actuating tool. This makes it easy to turn just like a screwdriver.
  • a reset element is arranged on the actuating arms, which in the second position exerts a restoring force on the actuating arms in the direction of the expansion element.
  • the actuating arms are spent in this way, regardless of the configuration of the expansion element by a restoring force from the second to the first position.
  • the return elements may be formed, for example, as spring arms which are connected to the actuating arms.
  • the return elements can be positioned directly on the spring legs. But it is also possible that the return elements are arranged at a different location on the actuating arm.
  • the restoring elements can be made of the same Material consist as the operating arms. In this way it is possible to produce the actuating arms with the return elements or even the entire actuating element with the return elements in one step, for example by injection molding.
  • the housing has ribs in the interior, whereby the air and leakage current paths between the two tension springs or the two current bars connected to the tension springs are increased.
  • the ribs are preferably configured in the manner of a labyrinth, so that the air and creepage distances significantly increase even with small sizes.
  • the scope of application of the spring-loaded terminal can thus be extended into ranges of voltages up to 400 V or more.
  • the ribs stabilize the housing structure, since the housing is stiffened from the inside out. An impression or bending of the housing is made more difficult.
  • the tension spring clamp is provided that on an outer side of the housing, a plug connection, in particular for attachment to a terminal block is provided and that on the side of the plug connection locking elements, in particular latching hooks are formed on the housing.
  • the plug-in connector carries electrical contacts, so that the tension spring terminal can be attached with a connected component or conductors to a terminal block, which has a corresponding mating contact.
  • latching hooks are additionally provided, which can engage in a corresponding recess in the housing of the terminal block.
  • the tension spring clamp can be securely connected in this way with another component, in particular a terminal block. Even with vibrations as a safe electrical and mechanical connection is guaranteed.
  • the housing is thus on one side of the plug-in mechanism on the plug-in mechanism over than on the other side.
  • the tension spring clamp can be plugged onto a terminal block such that a connection point arranged in the terminal block for an external conductor is not covered by the housing of the tension spring clamp.
  • the tension spring clamp according to the invention is used in particular for connecting an electrical component, for example a diode or a resistor.
  • a receptacle for the electrical component is preferably formed in the housing of the tension spring clamp.
  • the receptacle has connection openings through which the connecting wires for connecting the component to the tension springs can be pushed through.
  • the insertion direction may be specified. So that the wrong direction is not selected when connecting such an electrical component, a mechanical coding is provided so that the device can be inserted and thus connected only in one direction.
  • the receptacle for the component can assume different configurations.
  • diodes or resistors can be easily positioned in the receptacle, the electrical components being fixed in their position. This also prevents the connection contacts of the electrical component from being damaged by external forces acting on the component.
  • a cover may additionally be fastened to the housing or be connected to the housing via latching elements, by means of which the receptacle can be closed after insertion of the component. As a result, the contact safety of the component can be ensured and the degree of protection or the IP class of the terminal can be increased.
  • the lid may preferably consist of a transparent plastic, so that even when the lid is closed, the component arranged in the receptacle can be seen from the outside.
  • a transparent plastic so that even when the lid is closed, the component arranged in the receptacle can be seen from the outside.
  • a holder for mechanically securing the electrical Component is insertable.
  • the holder can be locked by at least one actuating arm in the inserted position.
  • the holder may be configured, for example, U-shaped with a U-back and two U-legs.
  • the holder is then inserted after connecting an electrical component with the U-legs in the recording, so that the electrical component is enclosed by the housing and the holder.
  • the holder can also be designed so that it is inserted together with the component in the receptacle.
  • latching hooks may be formed on the U-legs and a corresponding receptacle on the housing.
  • corresponding hooks are formed on one of the actuating arms. These are not in the second position in engagement with the latching hook or a recess on the U-legs of the holder, but they are on the position in which the holder is mounted pushed out.
  • the actuator When the actuator is moved from the second position to the first position, the actuating arms are moved in the direction of the expansion element.
  • the latching hooks engage the actuating arms in the latching hooks of the U-legs or in the recesses of the U-legs and thus prevent a vertical displacement of the holder. A horizontal displacement can be prevented that are formed on the housing insertion receptacles for the holder.
  • a further advantageous embodiment of the invention provides that the housing has recesses for heat dissipation. In this way, the heat transfer through the housing material or the heat transfer between the interfaces eliminated. Resulting heat can thus be easily routed out of the housing and released to the environment.
  • Fig. 1 shows a tension spring clamp 1 with an electrical component 2 inserted therein.
  • the tension spring clamp 1 has a housing 3 and two tension springs 4 arranged within the housing 3, each of which bears against a current bar 5. Between the mirror-image mutually arranged tension springs 4, an actuating element 6 for opening the tension springs 4 is arranged.
  • the tension springs 4 each have, in a manner known per se, a clamping leg 7 with a clamping window 8 formed therein, an abutment leg 9 bearing against the current bar 5 and a spring bar 10 connecting the clamping leg 7 with the abutment leg 9.
  • the actuating element 6 has two actuating arms 12 and a spreading element 13 arranged between the actuating arms 12.
  • the expansion element 13 has two spring arms 14, between the one in the Fig. 1 not shown actuating tool can be introduced. If the actuating tool, which may in particular be a screwdriver, is rotated by approximately 90 °, this leads to the expansion element 13 correspondingly widening. The expansion element 13 is thereby moved from a first position to a second position, wherein the actuating arms 12 are moved in the direction of the tension springs 4.
  • the tension springs 4 are opened by the force transmitted by the actuating tool and the electrical component 2 can be connected to the tension spring clamp 1 by a connecting wire 11 is inserted into an open clamping window 8 a tension spring 4 respectively.
  • the actuating arms 12 and the expansion element 13 are in the in Fig. 1 illustrated embodiment not connected to each other. While the spring arms 14 of the expansion element 13 are formed out of the housing 3 and thus connected to the housing 3, the actuating arms 12 are formed as separate components and slidably disposed in the housing 3. At the point at which the actuating arms 12 touch the expansion element 13, a slight depression 15 is formed on the expansion element 13, which is adapted to the shape of the actuating arms 12. A similar embodiment is provided on the side of the actuating arms 12, which lies opposite the spring legs 10. At this point, the actuating arms 12 are formed inwardly so that the curved contour of the spring leg 10 corresponds to the contour of the actuating arms 12.
  • Fig. 2 shows a second embodiment of a tension spring clamp 1.
  • the expansion element 13 is connected to the housing 3, while the actuating arms 12 are formed as separate components.
  • return elements 16 formed in the form of spring arms. The return elements 16 ensure that the actuating arms 12 are acted upon in the second position with an additional spring force in the direction of the expansion element 13.
  • the actuating arms 12 are in this way not only returned by the spring legs 10 and the tension springs 4 in the first position, but also by the spring force of the return elements 16.
  • the position of the actuating arms 12 in the first position of the actuating element 6 is also selected be that the spring legs 10 facing ends of the actuating arms 12 have a distance from the spring legs 10, as in the left illustration of the tension spring 4 in Fig. 2 is shown.
  • Fig. 3 shows an integral actuating element 6, in which the actuating arms 12 are connected to the expansion element 13.
  • the expansion element 13 itself is designed to be resilient, so that it automatically returns to the second position after being moved to the first position.
  • the actuating arms 12 are designed as elongated beams having a recess in the interior, whereby a material savings is achieved.
  • the expansion element 13 is designed loop-shaped, wherein the spring arms 14 do not touch each other in the first position.
  • the end of a screwdriver can be inserted in the area between the actuating arms 12, wherein the screwdriver is then rotated by 90 °, as can be seen from a comparison of Fig. 4 and 5 is apparent.
  • the loop shape of the expansion element 13 causes the spring arms 14 together describe a circular path, whereby an opening 17 is formed.
  • the opening 17 can be used for the positioning of the expansion element 13 in the housing 3.
  • Fig. 4 and 5 show a preferred embodiment of the tension spring clamp 1 according to the invention, wherein in Fig. 4 the actuator 6 in the first position and in Fig. 5 the actuator 6 is shown in the second position.
  • the actuator 6 corresponds to the in Fig. 3
  • the actuating arms 12 are arranged between corresponding webs 18 in the housing 3, so that they are guided safely when moving from the first position to the second position.
  • the bearing of the actuating element 6 in the housing 3 also takes place in that the expansion element 13 is plugged with its opening 17 on a pin 19 formed in the housing 3.
  • the actuating arms 12 thicken at the ends both on the side which bears against the spring legs 10, and on the side which is fixedly connected to the expansion element 13. In this way, in each case a stop with the webs 3 formed in the housing 3 is formed in both directions of movement of the actuating arms 12.
  • the actuating arms 12 can not be moved arbitrarily far in the direction of the tension springs 4, which could otherwise result in damage to the expansion element 13 if the spring arms 14 were deflected beyond the yield point.
  • the stop in the other direction ensures that the spring arms 14 of the spreader 13 do not touch even in the first position, whereby the insertion of the end of an actuating tool 20 between the actuating arms 12 would be prevented or at least made more difficult.
  • Fig. 5 is the tension spring clamp 1 shown, in which the end of the actuating tool 20 is rotated by 90 °, so that the actuating element 6 is in the second position, so that the tension springs 4 are in the second position, that is, the tension springs 4 are open ,
  • the expansion element 13 is pressed apart and thus the actuating arms 12 are displaced in the direction of the tension springs 4.
  • the spring legs 10 are deflected by the actuating arms 12 in the direction of the plant leg 9 and the clamping window 8 is opened in the clamping leg 7.
  • the connecting wires 11 of an electrical component 2 can then be inserted through the open clamping window 8 in the terminal points of the tension springs 4, so that the connecting wires 11 - as in Fig. 1 and 2 represented - in each case on the tension spring 4 facing away from the bottom of the current bar 5.
  • ribs 21 are formed in the housing 3, which serve primarily to reinforce the housing 3, so that it is stiffer overall.
  • On one side 22 of the housing 3 - in the illustrated orientation of the underside - also a plug-in connection 23 is formed.
  • the plug-in connection 23 serves the tension spring clamp 1 on a further component, for example one in Fig. 7 mecanicstecken illustrated terminal 24.
  • the plug connection 23 has corresponding electrically conductive contacts 25, which are electrically conductively connected to the current bars 5. Between the contacts 25 ribs are arranged, which serve to extend the air and creepage distances between the contacts 25. In this way, the tension spring clamp 1 is also designed for higher voltages.
  • the tension spring clamp 1 is also designed for higher voltages.
  • the plug connection 23 is arranged eccentrically on the side 22 of the housing 3.
  • the asymmetric configuration makes it possible that in the plugged state of the tension spring clamp 1 on the terminal 24 a disposed in the terminal 24 connection point 26 for an external conductor is not covered by the housing 3 of the tension spring clamp 1 (see. Fig. 7 ).
  • latching hooks 27 are furthermore arranged on the side 22 of the housing 3, which can engage in a corresponding latching recess 28 in the housing of the terminal block 24.
  • the latching hooks 27 are arranged and designed such that a groove for a label can be used as a latching recess 28.
  • Fig. 6 shows the tension spring clamp 1 according to the Fig. 4 and 5 with closed housing 3.
  • a receptacle 29 for an electrical component 2 is formed at the top of the housing 3.
  • the receptacle 29 has approximately the shape of an upwardly open cuboid, so that an electrical component 2 is positioned by the cuboid shape in the housing 3.
  • connection openings 30 allow the connecting wires 11 of the device 2 can be inserted from the arranged in the receptacle 29 component 2 in the open clamping window 8 of the tension springs 4.
  • Fig. 7 shows the tension spring clamp 1 according to the 4 to 6 plugged onto a terminal 24.
  • the arranged on the housing 3 latching hooks 27 are engaged in a functioning as a recess 28 groove of the terminal 24, which otherwise serves to receive a label.
  • the tension spring clamp 1 is characterized electrically and mechanically fixed to the terminal block 24 connected. Since the housing 3 of the tension spring clamp 1 extends substantially over the central region of the terminal block 24, both connection points 26 of the terminal 24 are freely accessible even when the tension spring clamp 1 is plugged in so that conductors can be connected to the connection points 26.
  • a holder 31 is arranged in the housing 3, which serves to hold the electrical component 2.
  • the holder 31 is configured U-shaped and has a U-back and two U-legs.
  • the holder 31 is inserted when connecting the electrical component 2 with the U-legs in the receptacle 29, so that the electrical component 2 from the bottom of the receptacle 29 and the bracket 31 is enclosed.
  • the bracket 31 may be fixed by hooks on the actuating arm 12 when the actuating arm 12 is in its first position. At the U-leg of the holder 31 corresponding recesses are then formed, can engage in the hooks of the actuating arm 12.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (10)

  1. Pince (1) à ressort de traction, en particulier pour le raccordement d'un composant électrique (2), présentant un boîtier (3), au moins deux ressorts de traction (4) en forme de boucle disposés à l'intérieur du boîtier (3), au moins deux barres de courant (5) et au moins un élément d'actionnement (6) qui permet d'ouvrir les ressorts de traction (4),
    chacun des ressorts de traction (4) présentant une branche de serrage (7) dotée d'une fenêtre de serrage (8), une branche de pose (9) et une branche élastique (10) reliant la branche de serrage (7) à la branche de pose (9),
    les deux ressorts de traction (4) étant disposés symétriquement l'un par rapport à l'autre de telle sorte que les branches élastiques (10) soient situées l'une en face de l'autre,
    l'élément d'actionnement (6) étant disposé entre les deux ressorts de traction (4) et pouvant être amené d'une première position dans laquelle les ressorts de traction (4) sont fermés à une deuxième position dans laquelle les ressorts de traction (4) sont ouverts et
    l'élément d'actionnement (6) déviant la branche élastique (10) dans sa deuxième position de telle sorte que les fenêtres de serrage (8) dans les branches de serrage (7) soient ouvertes,
    l'élément d'actionnement (6) présentant deux bras d'actionnement (12) et un élément d'écartement (13) disposé entre les bras d'actionnement (12),
    caractérisée en ce que
    chacun des bras d'actionnement (12) s'étend depuis l'élément d'écartement (13) en direction d'une branche élastique (10) d'un ressort de traction (4), et
    en ce que lorsque l'élément d'actionnement (6) est amené de la première position à la deuxième position, les bras d'actionnement (12) sont déplacés par l'élément d'écartement (13) en direction de la branche élastique (10) correspondante de telle sorte que dans la deuxième position, les branches élastiques (10) soient déviées par les bras d'actionnement (12).
  2. Pince (1) à ressort de traction selon la revendication 1, caractérisée en ce que l'élément d'écartement (13) est élastique et présente deux bras élastiques (14), les bras élastiques (14) étant sortis de leur état de repos dans la deuxième position.
  3. Pince (1) à ressort de traction selon les revendications 1 ou 2, caractérisée en ce que l'élément d'actionnement (6) est réalisé d'une seule pièce.
  4. Pince (1) à ressort de traction selon la revendication 1, caractérisée en ce que l'élément d'écartement (13) est allongé et monté à rotation dans le boîtier (3), l'axe longitudinal (LS) de l'élément d'écartement (13) étant perpendiculaire à l'axe longitudinal (LB) des bras d'actionnement (12) dans la première position et parallèles à l'axe longitudinal (LB) des bras d'actionnement (12) dans la deuxième position.
  5. Pince (1) à ressort de traction selon l'une des revendications 1 à 4, caractérisée en ce que sur chacun des bras d'actionnement (12) est disposé un élément de rappel (16) qui, dans la deuxième position, exerce sur les bras d'actionnement (12) une force de rappel en direction de l'élément d'écartement (13).
  6. Pince (1) à ressort de traction selon l'une des revendications 1 à 5, caractérisée en ce que le boîtier (3) présente à l'intérieur des nervures (21) qui renforcent la rigidité du boîtier (3).
  7. Pince (1) à ressort de traction selon l'une des revendications 1 à 6, caractérisée en ce que sur un côté (22) du boîtier (3) est prévu un raccordement enfichable (23), en particulier pour l'enfichage sur une pince de rangée (20), et en ce que des crochets d'encliquetage (27) sont formés sur le boîtier (3) du côté du raccordement enfichable (23).
  8. Pince (1) à ressort de traction selon l'une des revendications 1 à 7, caractérisée en ce que sur le boîtier (3) est formé un logement (29) pour un composant électrique (2), en ce que le logement (29) présente des ouvertures de raccordement (30) qui permettent le raccordement du composant électrique (2) sur la barre de courant (5) et en ce qu'une ou plusieurs ouvertures de raccordement (30) présentent un codage mécanique.
  9. Pince (1) à ressort de traction selon la revendication 8, caractérisée en ce que dans le logement (29) peut être inséré un support (31) qui assure la fixation mécanique du composant électrique (2) et en ce que le support (31) est bloquè par au moins un bras d'actionnement (12) dans la position enfichée.
  10. Pince (1) à ressort de traction selon les revendications 8 ou 9, caractérisée en ce qu'un couvercle est fixé sur le boîtier (3) ou peut être fixé sur le boîtier (3) par des éléments d'encliquetage, et permet de fermer le logement (29).
EP17153746.7A 2016-02-18 2017-01-30 Bloc de jonction à ressort de traction Active EP3208889B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016102842.8A DE102016102842A1 (de) 2016-02-18 2016-02-18 Zugfederklemme

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EP3208889A1 EP3208889A1 (fr) 2017-08-23
EP3208889B1 true EP3208889B1 (fr) 2018-12-12

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EP (1) EP3208889B1 (fr)
CN (1) CN107093807B (fr)
DE (1) DE102016102842A1 (fr)
ES (1) ES2711568T3 (fr)

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Publication number Priority date Publication date Assignee Title
JP6988848B2 (ja) * 2018-03-14 2022-01-05 オムロン株式会社 端子台

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE4239480A1 (de) 1992-11-21 1994-05-26 Wago Verwaltungs Gmbh Federkraftklemme mit Betätigungsdrücker
WO1998025325A1 (fr) * 1996-11-30 1998-06-11 Atlantis Solar Systeme Ag Dispositif de serrage pour le raccordement de connexions electriques d'elements solaires
DE19961764A1 (de) * 1999-12-21 2001-06-28 Siemens Ag Schraubenlose Klemme
DE10253517B3 (de) 2002-11-16 2004-05-13 Phoenix Contact Gmbh & Co. Kg Zugfederklemme mit zueinander spiegelbildlichen Zugfedern
FR2904150B1 (fr) * 2006-07-19 2008-10-10 Legrand France Appareil electrique comportant une borne de connexion bilaterale
CN204947117U (zh) * 2015-08-04 2016-01-06 泰科电子(上海)有限公司 连接器

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Also Published As

Publication number Publication date
CN107093807A (zh) 2017-08-25
EP3208889A1 (fr) 2017-08-23
DE102016102842A1 (de) 2017-08-24
ES2711568T3 (es) 2019-05-06
CN107093807B (zh) 2019-05-31

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