EP3050167B1 - Borne de connexion électrique - Google Patents

Borne de connexion électrique Download PDF

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Publication number
EP3050167B1
EP3050167B1 EP14772120.3A EP14772120A EP3050167B1 EP 3050167 B1 EP3050167 B1 EP 3050167B1 EP 14772120 A EP14772120 A EP 14772120A EP 3050167 B1 EP3050167 B1 EP 3050167B1
Authority
EP
European Patent Office
Prior art keywords
clamping
connection terminal
lever
clamping spring
leg
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
EP14772120.3A
Other languages
German (de)
English (en)
Other versions
EP3050167A1 (fr
Inventor
Andreas Wendt
Fredrik Brand
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 EP3050167A1 publication Critical patent/EP3050167A1/fr
Application granted granted Critical
Publication of EP3050167B1 publication Critical patent/EP3050167B1/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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/52—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw which is spring loaded
    • 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
    • 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
    • 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
    • H01R4/4811—Spring details
    • H01R4/4814—Self-latching arrangements
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • 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

Definitions

  • the present invention relates to an electrical terminal for connecting at least one conductor and in particular an electrical terminal, which is also suitable for connecting conductors with large cross-sections.
  • the clamping lever comprises a plurality of clamping springs and a clamping foot at the end of the clamping springs to clamp a recorded conductor to the current bar.
  • the Clamping lever is connected to a hand lever over which the actuation takes place.
  • a disadvantage of the known connection terminal is the relatively complicated constructed clamping lever, in which the individual clamping springs are difficult to manufacture and in which, where appropriate, subsidence can occur.
  • An electrical connection terminal serves for the electrically contacting connection of at least one conductor of a current bar accommodated on a holder.
  • At least one clamping spring is provided for applying a clamping force.
  • a pivoting clamping lever is used to clamp the conductor.
  • the clamping spring has a first leg and at least one second leg.
  • the clamping spring is pivotally coupled to the first leg of the clamping lever.
  • the Clamping spring is pivotally coupled to the second leg to the auxiliary lever.
  • the auxiliary lever and the clamping lever are pivotally mounted on the holder.
  • the electrical terminal according to the invention has many advantages, since it allows a structure with fewer components and with simple components.
  • the fact that a frictional connection of the holder via the clamping lever, the clamping spring and the auxiliary lever, can be achieved with relatively few and structurally simple components on the one hand even an even higher clamping force and on the other hand even an even larger opening angle.
  • the holder can also be referred to as a clamping body and serves to receive the current bar and the pivotal attachment of the clamping lever.
  • the electrical terminal according to the invention provides a tilting lever clamp with dynamic leverage available.
  • an opening angle between the current bar and the clamping edge in the open state is at least 45 °.
  • the opening angle or the maximum opening angle is greater than 60 ° and preferably greater than 75 °. Opening angles of 90 ° and even more than 90 ° are possible and preferred.
  • a first pivot axis and at least one second pivot axis spaced therefrom are provided on the clamping lever.
  • the clamping spring has a first axle receptacle and at least one second axle receptacle spaced therefrom and in particular parallel.
  • the auxiliary lever is equipped with a first rotary unit and at least one spaced apart and in particular parallel second rotary unit. This means that the clamping lever, the clamping spring and preferably the auxiliary lever each have two mutually remote separate and in particular parallel joints.
  • the clamping lever is pivotally mounted on the holder via the first pivot axis.
  • the first axle receiving the clamping spring is provided on the first leg of the clamping spring and it is provided the second axle receiving the clamping spring on the second leg of the clamping spring.
  • the arranged on the first leg first axle receiving the clamping spring is coupled to the second pivot axis of the clamping lever.
  • the first rotary unit of the auxiliary lever has an axis which is pivotally connected to the second axle receptacle on the second leg of the clamping spring.
  • the second rotary unit of the auxiliary lever is pivotally mounted on the holder.
  • the second rotary unit of the auxiliary lever has a rounded outer contour, which is pivotable on a matched rounded recess of the holder is included.
  • the outer contour and the recess each have a circular shape or the shape of a circle segment.
  • the second rotary unit of the auxiliary lever is pivotally or rotatably received on the rounded outer contour of the holder and preferably supported.
  • the second rotation unit of the auxiliary lever includes an opening into which a guide shaft is inserted.
  • the second rotary unit can be rotatably mounted on the guide axis at the opening.
  • the guide axis in the opening is not used for the transmission of forces, but essentially only for guidance.
  • the guide axis may for example be part of the housing and, for example, consist of a plastic pin which is pivoted or clipped into the opening.
  • the guide axis may be an axle on the holder or else to be introduced separately into the holder in order to pivotally receive and / or support the auxiliary lever on the second rotary unit.
  • the clamping spring is part of an actuating unit.
  • the actuator unit consists only of the clamping spring.
  • the clamping spring preferably has a double function: the clamping spring serves to apply the clamping force and at the same time as an actuating lever.
  • At least one tool opening is preferably provided on the actuating unit to introduce a tool and actuate the electrical connection terminal, for example to clamp an electrical conductor or to release the clamping.
  • the actuating unit preferably has a tool holder.
  • the tool holder may be provided on an insert part.
  • the clamping spring for example, has a substantially C-shaped cross section, and that the inner region of the cross section is at least partially filled by the insert part.
  • the tool holder On the insert part, the tool holder may be provided which serves as an abutment when operating to transmit the actuating forces.
  • the insert may for example consist of plastic. But it is also possible that the tool holder and / or an abutment is provided by bent over to the clamping spring tabs or the like.
  • an inner diameter of the tool opening is larger than an inner diameter of the tool holder.
  • different angles of the tool holder can be provided on the insert part, for example, different geometries and purposes of the electrical terminal.
  • the orientation of the tool holder on the insert part may have different angles to the surface of the tool opening on the clamping spring.
  • a different configuration of the entire terminal can be made possible by different inserts.
  • an extended application possibility can be achieved for different terminals only by replacing a single simple component, without significantly increasing the storage requirements for parts.
  • the tool holder preferably extends transversely to the current bar.
  • the angle between the tool holder and the current bar can vary in the open state and depends on the intended use.
  • the actuating unit preferably acts on the clamping lever via the auxiliary lever.
  • the actuating unit practically consists only of the clamping spring on which the tool opening is provided. It is also possible that a lever extension or the like is provided on the clamping spring in order to operate the terminal without additional tool can.
  • the clamping spring acts at least in the clamping state as a tension spring.
  • the clamping spring is at least substantially relaxed in the open state.
  • the clamping spring is completely relaxed in the open state.
  • substantially relaxed means in particular an effective force which is less than 10% of the maximum intended clamping force.
  • the clamping lever is in the clamping state behind a dead center.
  • a force is first required to transfer the clamping lever from the clamping state back to the open position. This leads to a self-assurance or self-locking of the clamping state and increases security.
  • This is preferably realized by the fact that as a tension spring acting clamping spring before reaching the clamping state can contract slightly again, so that the tension decreases slightly.
  • the end of the first leg and / or the end of the second leg of the clamping spring is respectively bent to form each of the first and / or the second axle receptacle. This allows easy production of the clamping spring and a reliable function.
  • At least the holder and the clamping lever and the auxiliary lever are designed as stamped bent parts. This allows a particularly simple and cost-effective production and assembly.
  • At least one groove for securing a conductor received on the current bar and clamped there is provided on the current bar.
  • the groove is provided on the current bar transversely to the insertion opening and is arranged at least approximately where the clamping lever clamps the conductor against the current bar.
  • At least one push-through protection is provided, which prevents a passage of a recorded conductor through the terminal.
  • a push-through protection consist of a recorded in another or other groove of the current bar part, which is inserted from the outside through corresponding holes in the holder and thus secured to the holder is added.
  • the electrical terminal according to the invention enables the application of a high clamping force at a simultaneously possible large opening angle, which can reach and exceed 60 or 75 °. Even with ladders with large cross-sections of 20 mm 2 , 25 mm 2 or 30 mm 2 or 35 mm 2 , a zero clamping is made possible after a first time terminals and the removal of such a conductor, in which by the clamping lever a thin conductor with diameters of 1 mm , 0.5 mm or less can still be reliably clamped.
  • the electrical terminal is designed in particular as a toggle clamp, which allows easy, fast and safe wiring of various conductor cross sections.
  • the principle of this toggle clamp is based on a lever mechanism, which is followed by a spring mechanism in the form of a clamping spring to transmit a very large contact normal force on the conductor.
  • the spring geometry should correspond to a specific shape.
  • the dimension of the entire toggle clamp remains within a size used in the cabinet and preferably also the material used for the clamping spring low, an optimal geometry is particularly preferably used.
  • the clamping spring has at least a 1.5-fold S-shape.
  • the clamping spring acts as two series-connected springs with increased spring stiffness with the same material and the same size.
  • the clamping spring has at the ends in each case an axle of z.
  • B. the type of eyelet for components to be connected.
  • a connection is made between the axle receptacles (eyelets) via the 1.5-fold S-shape.
  • the bending radii, both the outer bend at the two ends, as well as the middle bend depend on the force ratio and the spring rate, which should have the clamping spring.
  • the outer radius should be made smaller and the average radius larger. For a smaller spring rate can be reversed procedure.
  • the contour can of course also consist of other springs and more radii than 1.5 times a "S" and have any number of S-like shapes. The more S-shapes are present, the stiffer the clamping spring becomes.
  • the clamping spring at least substantially at least a 1.5-fold S-shape.
  • the clamping spring has a 1.5-fold S-shape.
  • the clamp spring has a curvature portion with an outer radius (R2) and two curvature portions with inner radii (R1), with the curvatures having the inner radii to the side with the first leg and the second Leg are opened and wherein the curvature portion is opened with the outer radius to the other opposite side.
  • the sections with the curvatures with inner radii are located spatially between the first leg and the second leg.
  • the clamping spring consists of the first leg and the second leg and a plurality of curvature sections therebetween, namely preferably at least two curvature sections with inner radii and a curvature section provided therebetween with an outer radius.
  • FIG. 1 shows a schematic perspective view of a terminal 200, which consists of several juxtaposed row of electrical terminals 100 according to the invention.
  • a housing 150 for the illustrated electrical terminals 100 is provided here. It is also possible that each individual electrical connection terminal has a single housing 150. Preferably, such exists Housing 150 made of an electrically non-conductive material.
  • Each individual electrical connection terminal 100 has a holder 108, which serves as a holding body and clamping body.
  • an upwardly open insertion area or swiveling area 115 is provided in order to receive an electrical conductor 126 or an electrical cable 125 in the holder 108 and to clamp it to the current bar 110.
  • FIG. 2 shows in a schematically enlarged perspective view of a single electrical terminal 100 in which the housing 150 has been omitted in order to better represent and recognize the individual components.
  • the electrical connection terminal 100 has a holder 108 with two lateral walls 123, which overall has an approximately U-shaped cross section.
  • the holder 108 consists of a bending stamped part.
  • the current bar 110 is received on the holder 108.
  • a push-through protection 117 is attached to a groove 116 (cf. Fig. 6 ) and arranged prevents insertion of an inserted conductor and also secures the current bar 110 within the holder 108.
  • the electrical terminal further has a clamping lever 102 which is received on a first pivot axis 113 pivotally mounted on the bracket 108.
  • the clamping lever 102 has a second pivot axis 114, which is arranged at a distance from the first pivot axis 113.
  • On the second pivot axis 114 one end of a first leg 136 of the clamping spring 101 is pivotally received.
  • the first pivot axis 113 and the second pivot axis 114 are here aligned at least approximately parallel.
  • the clamping spring 101 with the first leg 136 and the second leg 137 has an overall approximately C-shaped configuration. At the end of the second leg 137, the clamping spring 101 is pivotally received or mounted on the axle 112.
  • the axle 112 is part of the first rotary unit 129 at a first end of the auxiliary lever 104.
  • the auxiliary lever 104 consists of two parallel side walls 121, which are interconnected via a cross connector 105.
  • the cross connector 105 has in a front view of an approximately U-shaped configuration to allow pivoting of the second leg 137 of the clamping spring 101 on the first rotary unit 129 of the auxiliary lever 104.
  • the auxiliary lever 104 is also a one-piece bending stamped part.
  • a second rotary unit 130 is provided at the second end of the auxiliary lever 104.
  • the second rotary unit 130 comprises a central hole 111, in which a in FIG. 2 non-visible plastic pin engages as a guide axis 151 of the housing 150 (see. Fig. 6 ) to the second Rotary unit 130 to lead.
  • the second rotating unit 130 is rotatably mounted on the hole 111.
  • the second rotary unit 130 and thus the auxiliary lever 104 via the circular outer shape 107, which is received on the circular recess 106, pivotally mounted.
  • the virtual axis of rotation extends centrally through the opening 111.
  • the round outer contour 107 of the second rotary unit 130 rotates within the circular recess 106 on the bracket 108 about the virtual axis of rotation. It is an effective force transfer in this vertical direction, ie in a direction transverse to the current bar 110, allows.
  • the virtual axis of rotation through the opening 111 is here aligned parallel to the axis 112, which in turn is aligned at least approximately parallel to the pivot axis 114.
  • the clamping spring 101 with its overall approximately C-shaped side view has inside the "C" on an insert, which is designed here as a plastic insert 118 and as an abutment for a tool 120 (see. FIG. 3 ) in the operation of the terminal 100 is used.
  • the clamping spring 101 is loaded here on train, so that in the load case, the two legs 136 and 137 of the clamping spring 101 from each other.
  • the clamping spring 101 also serves as an actuating unit 103 or as an actuating lever and, in addition to the clamping spring 101, also comprises the plastic insert 118.
  • a tool opening 109 is provided on the second leg 137 of the clamping spring 101, through which a tool 120 can be inserted like a screwdriver. with the Move the screwdriver, the terminal 100 from the open state 144 in the clamping state 145 and back to transfer.
  • FIG. 3 shows a schematic perspective view of the terminal 100 with a designed as a plug plastic insert 118.
  • FIG. 4 shows a front view of the electrical terminal 100, in which the approximately U-shaped configuration of the holder 108 with the current bar 110 inserted therein can be seen. Also attracted are the clamping lever 102 with the clamping edge and the plastic insert 118 as an abutment and the first pivot axis 113, on which the clamping lever 102 is pivotally received on the holder 108.
  • FIG. 5 shows a side view of the electrical terminal 100.
  • the first pivot axis 113 and the second pivot axis 114 are added.
  • the clamping lever 102 is pivotable in total about the pivot axis 113 received on the holder 108, so that with the pivoting of the clamping lever 102 and the clamping edge 122 is pivoted.
  • the first leg 136 of the clamping spring 101 is rotatably received.
  • the second leg 137 of the clamping spring 101 is pivotable relative to the first rotary unit 129 of the auxiliary lever 104.
  • the second rotary unit 130 of the auxiliary lever 104 is rotatably received on the circular recess 106 on the round recess 106 of the holder 108.
  • FIG. 6 shows a sectional side view of the electrical terminal 100.
  • the plastic insert 118 can be seen, which is received on the clamping spring 101.
  • a receiving opening 132 for receiving a tool 120 is provided in the plastic insert 118.
  • an inner diameter 109a of the tool opening 109 in the clamping spring is provided with a larger diameter than the inner diameter 132a of the receiving opening 132 in the plastic insert 118.
  • the clamping spring 101 for use with different plastic inserts 118 or with plastic inserts 118 provided with different receiving openings 132 be. This allows the provision of different terminals 100, in which only the plastic insert 118 differs and thus changes the operating angle.
  • the clamping lever 102 has two parallel side walls, between which the clamping edge 122 is provided. Also, the clamping lever 102 is designed here as a one-piece stamped and bent part.
  • a groove 116 is provided, in which a rod-shaped push-through protection 117 is executed, which is received in corresponding lateral openings in the walls 123 of the holder 108.
  • a fuse of the current bar 110 takes place in the axial direction and also a push-through protection for a conductor 126 is possible.
  • a groove 131 is provided in the current bar 110, which is arranged where the clamping edge 122 has an inserted conductor 126 against the current bar 110 suppressed.
  • conductor 126 can deform into the groove 131 during the clamping process, so that an effective pull-out protection can be ensured.
  • the first axle receptacle 127 can be seen cut on the first leg 136 of the clamping spring 101.
  • the second axle receptacle 128 can be seen cut, which surrounds the axis 112 of the first rotary unit 129 of the auxiliary lever 104.
  • the guide axis 151 is shown in section in the hole 111 or the virtual axis of rotation of the second rotary unit 130 of the auxiliary lever 104.
  • FIG. 7 shows a plan view of the electrical terminal 100.
  • the tool opening 109 can be seen.
  • the auxiliary lever 104 engages with the cross connector 105, the second leg 137 of the clamping spring 101.
  • the clamping lever 102 has the right aligned clamping edge 122, which engages in the clamping state in the groove 131 or presses a conductor against the groove 131 of the current bar.
  • FIG. 8 schematically a cable 125 is shown with an electrical conductor 126.
  • FIGS. 8 to 10 Various parts of the electrical terminal 100 have been omitted in order to better illustrate the function.
  • the bracket 108 was not shown. It should be noted, however, that the clamping lever 102 is fixedly connected to the holder 108 via the first pivot axis 113. In addition, the second rotary unit 130 of the auxiliary lever 104 is supported with the round outer shape 107 at the correspondingly round recess 106 of the holder 108 here fixed.
  • the opening angle 146 between the current bar 110 and the clamping edge 122 of the clamping lever 102 is here more than 75 ° and almost 90 °. Depending on the geometric design of the clamping lever 102, the opening angle 146 can be selected even larger. As a rule, however, this opening angle 146 is sufficient to be able to pivot in particular also rigid conductors 126 with large cross-sections into the pivoting region 115 from above.
  • FIG. 8 shows FIG. 9 an intermediate state in which the clamping lever 102 has already been significantly pivoted. This is done by introducing a tool into the tool opening 109 on the clamping spring 101 and in the illustration according to FIG FIGS. 8 to 10 is pivoted clockwise.
  • the pivoting virtually powerless, since the distance between the two legs 136 and 137 of the clamping spring 101 is not or practically almost unchanged and thus the spring tension does not change. This achieves a pleasant operation.
  • FIG. 10 shows the clamping state 145.
  • the clamping edge 122 is located in FIG. 10 in the groove 131 of the current bar 110 at.
  • the clamping spring 101 is tensioned, wherein the distance of the first leg 136 from the second leg 137 widens. Due to the stable clamping spring 101, therefore, a high clamping force is generated.
  • FIG. 10 In FIG. 10 is shown a self-inhibited state.
  • a dead center was exceeded, so that in the clamping state 145, the clamping spring 101 is slightly relaxed relative to the maximum bias. This achieves a stable state.
  • the self-inhibited state is here recognizable by the fact that the connecting line 119 between the axis 112 and the second pivot axis 114 runs just below the center of the hole 111 or the virtual axis of rotation of the second rotary unit 130 of the auxiliary lever 104.
  • the clamping spring 101 when transferring the electrical connection terminal into the opening state 144, the clamping spring 101 must first be preloaded in order to overcome the dead center.
  • the second pivot axis 114 is shown in the illustration FIG. 10 shown dashed, since they are behind the second rotary unit 130 of the auxiliary lever 104 and thus is not actually visible in this illustration.
  • the clamping spring 101 at least substantially a 1.5-fold S-shape, as in FIGS. 11 and 12 is shown.
  • the clamping spring 101 has a curvature section 147 with an outer radius R2 and two curvature sections 148, 149 with preferably identical or similar inner radii R1, with the curvature sections 148, 149 with the inner radii R1 the side are open at which the first leg 136 and the second leg 137 have their free end.
  • the curvature portion 147 having the outer radius R2 is opened to the opposite side, in particular.
  • the sections with the curvatures 148, 149 with the inner radii R1 are located spatially between the first leg 136 and the second leg 137.
  • outer radius R2 of the curvature section 147 is greater than the inner radii R1 of the curvature sections 148, 149.
  • a very advantageous electrical terminal 100 is provided, which is capable of rows and can be made of simple components.
  • the designed as a tilting lever clamp electrical terminal 100 has a dynamic leverage, in which at the beginning of the closing operation, the clamping edge 122 covers a long way and in the further closing With a small force a relatively long distance is covered with the tool, which is converted into a high clamping force.
  • Both the clamping spring 101 and the clamping lever 102 and the auxiliary lever 104 and the bracket 108 may be made of stamped and bent parts. This allows a simple and cost-effective production, also for mass production.
  • the maximum opening angle 146 can be made very large, so that even the most massive ladder can be pivoted into the upwardly open pivoting region 115.
  • the second rotary unit 130 may have a round outer contour 107 which engages in a correspondingly round recess 106 of the holder 108. This is possible because no tensile forces occur, so that at the hole 111 a simple plastic pin 151 of the housing 150 is sufficient.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Clamps And Clips (AREA)

Claims (15)

  1. Borne de connexion (100) pour la connexion par mise en contact électrique d'au moins un conducteur (126) au niveau d'une barre conductrice (110) reçue sur un support (108), comportant au moins un ressort de serrage (101) pour l'application d'une force de serrage et un levier de serrage pivotable (102) pour serrer le conducteur (126),
    caractérisée en ce que
    le ressort de serrage (sans) présente une première branche (136) et au moins une seconde branche (137) et est couplé de manière articulée par le levier de serrage (102) et par la seconde branche (137) à un levier auxiliaire (104) et que le levier de serrage (102) et le levier auxiliaire (104) sont disposés de manière à pouvoir pivoter sur le support (108).
  2. Borne de connexion (100) selon la revendication précédente, dans laquelle un angle d'ouverture (146) entre la barre conductrice et le bord de serrage en position d'ouverture est supérieur à 45° et en particulier supérieur à 60° et de préférence supérieur à 75°.
  3. Borne de connexion (100) selon une des revendications précédentes, dans laquelle, au niveau du levier de serrage (101), un premier axe de pivotement (113) et au moins un second axe de pivotement (114) espacé de celui-ci sont disposés et dans laquelle le ressort de serrage (101) possède un premier support d'axe (127) et au moins un second support d'axe (128) espacé de celui-ci et dans lequel le levier auxiliaire (104) possède une première unité de rotation (129) et au moins une seconde unité de rotation (130) espacée de celle-ci.
  4. Borne de connexion (100) selon la revendication précédente, dans laquelle le levier de serrage (101) est fixé de manière à pouvoir pivoter par le premier axe de pivotement (113) au support (108).
  5. Borne de connexion (100) selon une des deux revendications précédentes, dans laquelle le premier support d'axe (127) du ressort de serrage (101) est prévu au niveau de la première branche (136) du ressort de serrage (101) et le second support d'axe (128) du ressort de serrage (101) est prévu au niveau de la seconde branche (137) du ressort de serrage (101).
  6. Borne de connexion (100) selon une des trois revendications précédentes, dans laquelle la première unité de rotation (129) du levier auxiliaire (104) présente un axe (112) qui est relié de manière à pouvoir pivoter au second support d'axe (127) de la seconde branche (137) du ressort de serrage (101) et la seconde unité de rotation (130) du levier auxiliaire (104) est disposée de manière à pouvoir pivoter au niveau du support (108).
  7. Borne de connexion (100) selon une des quatre revendications précédentes, dans laquelle la seconde unité de rotation (130) du levier auxiliaire (104) présente un contour extérieur arrondi (107) qui est reçu au niveau d'un évidement arrondi adapté (106) du support (108).
  8. Borne de connexion (100) selon une des revendications précédentes, dans laquelle la seconde unité de rotation (130) du levier auxiliaire (104) présente une ouverture (111) dans laquelle un axe de guidage (151) est introduit.
  9. Borne de connexion (100) selon une des revendications précédentes, dans laquelle le ressort de serrage (100) fait partie d'une unité d'actionnement (101) et l'unité d'actionnement (103) présente en particulier une ouverture pour outil (109) et/ou un support d'outil (118) au niveau d'une pièce.
  10. Borne de connexion (100) selon la revendication précédente, dans laquelle un diamètre intérieur (109a) de l'ouverture pour outil (109) est supérieur à un diamètre intérieur (132a) du support d'outil (118).
  11. Borne de connexion (100) selon une des revendications précédentes, dans laquelle l'unité d'actionnement (103) agit par l'intermédiaire du levier auxiliaire (104) sur le levier de serrage (102).
  12. Borne de connexion (100) selon une des revendications précédentes, dans laquelle le ressort de serrage (101), en position de serrage (145), fait office de ressort de traction et/ou est sensiblement détendu en position d'ouverture (144).
  13. Borne de connexion (100) selon une des revendications précédentes, dans laquelle le ressort de serrage (101) présente 1,5 fois une forme de S.
  14. Borne de connexion (100) selon la revendication précédente, dans laquelle le ressort de serrage (101) présente, dans la zone présentant 1,5 fois une forme de S, une section courbée (147) dotée d'un diamètre extérieur (R2) et deux sections courbées (148, 149) dotées de rayons intérieurs (R1), les sections courbées (148, 149) dotées des rayons intérieurs (R1) s'ouvrant vers la première branche et la seconde branche et la section courbée (147) dotée du rayon extérieur (R2) S'ouvrant sur l'autre côté.
  15. Borne de connexion (100) selon la revendication précédente, dans laquelle le rayon extérieur (R2) est supérieur à au moins un rayon intérieur (R1).
EP14772120.3A 2013-09-23 2014-09-23 Borne de connexion électrique Active EP3050167B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013110475.4A DE102013110475A1 (de) 2013-09-23 2013-09-23 Elektrische Anschlussklemme
PCT/EP2014/070176 WO2015040231A1 (fr) 2013-09-23 2014-09-23 Borne de connexion électrique

Publications (2)

Publication Number Publication Date
EP3050167A1 EP3050167A1 (fr) 2016-08-03
EP3050167B1 true EP3050167B1 (fr) 2017-11-08

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EP14772120.3A Active EP3050167B1 (fr) 2013-09-23 2014-09-23 Borne de connexion électrique

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US (1) US9537228B2 (fr)
EP (1) EP3050167B1 (fr)
JP (1) JP6521947B2 (fr)
CN (1) CN105637708B (fr)
DE (1) DE102013110475A1 (fr)
DK (1) DK3050167T3 (fr)
TW (1) TWI559634B (fr)
WO (1) WO2015040231A1 (fr)

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DE202015105022U1 (de) * 2015-09-22 2016-12-23 Weidmüller Interface GmbH & Co. KG Anschlussvorrichtung für Leiter
DE102015119342B4 (de) * 2015-11-10 2022-01-27 Phoenix Contact Gmbh & Co. Kg Anschlussklemme mit Kniehebel
DE202016008218U1 (de) 2016-04-20 2017-05-02 Phoenix Contact Gmbh & Co. Kg Anschlussklemme zur Leiterplattenmontage
DE102016111627A1 (de) * 2016-06-24 2017-12-28 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme
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Also Published As

Publication number Publication date
EP3050167A1 (fr) 2016-08-03
WO2015040231A1 (fr) 2015-03-26
CN105637708B (zh) 2018-02-16
DE102013110475A1 (de) 2015-03-26
DK3050167T3 (en) 2018-01-22
CN105637708A (zh) 2016-06-01
JP2016536736A (ja) 2016-11-24
US9537228B2 (en) 2017-01-03
TWI559634B (zh) 2016-11-21
US20160261053A1 (en) 2016-09-08
JP6521947B2 (ja) 2019-05-29
TW201530942A (zh) 2015-08-01

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