EP3367510B1 - Borne de connexion de conducteur - Google Patents

Borne de connexion de conducteur Download PDF

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Publication number
EP3367510B1
EP3367510B1 EP18168528.0A EP18168528A EP3367510B1 EP 3367510 B1 EP3367510 B1 EP 3367510B1 EP 18168528 A EP18168528 A EP 18168528A EP 3367510 B1 EP3367510 B1 EP 3367510B1
Authority
EP
European Patent Office
Prior art keywords
actuating lever
conductor
contact piece
lever
clamping spring
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
EP18168528.0A
Other languages
German (de)
English (en)
Other versions
EP3367510A1 (fr
Inventor
Markus Lorenschat
Rudolf Mastel
Maria GLAMMEIER
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3367510A1 publication Critical patent/EP3367510A1/fr
Application granted granted Critical
Publication of EP3367510B1 publication Critical patent/EP3367510B1/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
    • H01R4/483—Pivoting arrangements, e.g. lever pushing 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
    • 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
    • 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
    • H01R4/48—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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R4/4835—Mechanically bistable arrangements, e.g. locked by the housing when the spring is biased

Definitions

  • the invention relates to a conductor terminal with the features of claim 1.
  • Conductor terminals for example in the form of terminal blocks, are for example from the DE 10 2011 110 640 A1 , the DE 10 2013 101409 A1 or the EP 02 53 239 B1 known
  • the invention is based on the object of further developing such conductor connection terminals with regard to ergonomics, manufacturing costs and/or ease of assembly.
  • the actuating lever automatically adapts to the forces that occur and is therefore subject to reduced wear compared to a fixed axle bearing.
  • the floating mounting allows for simple, even subsequent assembly of the actuating lever when the insulating housing is already closed.
  • the support of the operating lever on the contact piece which is usually made of metal, offers a robust counter bearing for the operating lever.
  • the contact piece together with a corresponding part of the actuating lever, forms a pivot bearing that is very low-wear. Since the actuating lever can advantageously be made of plastic, for example an insulating material of the insulating housing, this also results with the metallic contact piece a favorable pairing of materials that is low-friction and at the same time low-wear.
  • the actuating lever at least in certain pivoting angles, can also be supported with its rear side on an inner wall of the insulating material housing.
  • the actuating lever can act on the clamping spring directly or indirectly in order to cancel the clamping effect of the clamping spring at the conductor clamping point and not to apply the spring force of the clamping spring to an electrical conductor inserted into the conductor connection terminal, or to open the clamping point.
  • the clamping spring can apply the spring force directly to the electrical conductor at the conductor clamping point, in that the clamping spring touches the conductor, or indirectly via an intermediate component.
  • the contact piece has a clamping section, in which the contact point is arranged, and a bearing section, on which the actuating lever is at least partially supported in the open position, with the conductor receiving chamber between the clamping section and the bearing section is arranged.
  • the clamping spring has a contact leg, via which the clamping spring is supported on a first side of the bearing section, which faces the conductor receiving chamber, on the contact piece. This has the advantage that the clamping spring is securely supported with low material and production costs.
  • the actuating lever at least in the open position, is at least partially supported on a second side of the bearing section of the contact piece, facing away from the conductor receiving chamber.
  • the bearing section is connected to the clamping section via a connecting section of the contact piece.
  • the contact piece with the bearing section and the clamping section can be provided in a simple manner as a one-piece component, e.g. in the form of a stamped and bent part.
  • the connecting section can be guided laterally past the area in which the conductor is to be accommodated in the conductor receiving chamber.
  • the connecting section can also form a lateral delimitation of the conductor receiving chamber.
  • the arrangement of bearing section, connecting section and clamping section can be formed in a U-shape.
  • the clamping section, the bearing section and the connecting section can be formed in one piece from a material, in particular metal.
  • the bearing section of the contact piece is designed as a plate, in particular as a metal plate.
  • the first side of the bearing section and the second side of the bearing section can be spaced apart from one another by the thickness of the plate of the bearing section.
  • a closed force chain is formed by a driver element of the clamping spring via a tension arm of the actuating lever acting on the driver element its outer contour, and via the first side and the second side of the bearing section onto the contact leg of the clamping spring.
  • the conductor receiving chamber is separated from the actuating lever by the upper section, in particular the bearing section, of the contact piece.
  • This has the advantage that the areas of the bearing section and the clamping section are separated by the area of the conductor receiving chamber lying in between. In this way, more favorable construction and space conditions of the conductor terminal are created.
  • a pull arm of the actuating lever is arranged between the outer contour of the actuating lever and a grip area of the actuating lever.
  • the actuating lever has an eccentric outer contour, via which the actuating lever is supported on the contact piece.
  • the pivot bearing contour of the actuating lever is thus formed by the eccentric outer contour.
  • the actuating lever can be displaced translationally relative to the insulating material housing and/or the contact piece when it is pivoted in addition to a rotary movement.
  • the actuating lever has improved degrees of freedom during the pivoting movement, which in turn is conducive to low-wear storage, easy assembly of the actuating lever in the insulating material housing of the conductor terminal and a pleasant feel during actuation.
  • the actuating lever has at least one tension arm which engages behind a driver element of the clamping spring, so that the clamping spring can be deflected by the tension arm when the actuating lever is pivoted into the open position by tensile loading of the clamping spring.
  • This has the advantage that the clamping spring can simultaneously exert a reaction force on the actuating lever, which acts on it in the direction of the closed position.
  • a self-locking toggle lever principle can be implemented with little effort in this way with regard to the actuating lever, so that little or no additional effort is required to lock it in the open position.
  • the clamping spring has a window-like recess into which the pull arm of the actuating lever engages.
  • the driver element of the clamping spring can be realized by an upper edge of the window-like recess, or in other words a transverse web of the clamping spring formed there. This allows the clamping spring to be coupled to the tension arm in a simple and inexpensive manner. It is only necessary to produce the window-like recess by punching out a piece of material from the material of the clamping spring.
  • a self-coupling system can be created in this way, in which the actuating lever can be inserted into the insulating material housing with the clamping spring already inserted in the insulating material housing and the pull arm can then be inserted into the window-like recess can snap. After this, the pulling arm engages behind the driver element, so that from now on the clamping spring can be actuated by pivoting the actuating lever.
  • the conductor connection terminal has first latching means, by which the actuating lever is latched in the open position.
  • first latching means by which the actuating lever is latched in the open position.
  • the first latching means comprises a first lever latching means which is part of the operating lever and a first contact piece latching means which is part of the contact piece.
  • the first lever latching means and the first contact piece latching means cooperate with each other to latch the actuating lever in the open position.
  • the first lever locking means can be designed as a groove, trough or other depression in the actuating lever
  • the first contact piece locking means can be designed as a protruding nose, contact edge or similar projection adapted to the shape of the first lever locking means.
  • a reverse assignment is also advantageous, in that the first lever locking means is in the form of a nose or other projection and the first contact piece locking means is in the form of a groove or other indentation.
  • the first contact piece latching means can be formed by the front edge or a rounded front edge at the front end of an upper section of the contact piece pointing toward the actuating lever.
  • the conductor connection terminal has second latching means, by means of which the actuating lever is latched in the closed position.
  • the second latching means have a second lever latching means, which is part of the actuating lever, and a second housing latching means, which is part of the insulating housing.
  • the second lever latch means and the second housing latch means cooperate with each other to latch the operating lever in the closed position.
  • the actuating lever has bearing pins which protrude parallel to the axis of rotation of the pivoting movement and which are designed to secure the actuating lever against removal of the actuating lever from the insulating material housing.
  • the floating operating lever can be secured in operating situations of the conductor connection terminal in which the operating lever is not otherwise held in the insulating housing, e.g. by the clamping spring.
  • the bearing journals do not function, or at least not primarily, for mounting the actuating lever in the insulating material housing for carrying out the pivoting movement, but mainly as a means of securing against removal of the actuating lever from the insulating material housing.
  • the insulating material housing has a lever insertion channel for inserting the actuating lever, the lever insertion channel having a guide contour for guiding the bearing journal at least during insertion of the actuating lever.
  • the bearing journals have another function, namely a guiding function of the actuating lever during insertion into the insulating material housing.
  • the areas of the actuating lever to be arranged in the insulating-material housing place one defined path in it, which is formed by designing the guide contour in such a way that the lever reaches its desired end position in the insulating material housing and is not prevented from being inserted by other components, such as the clamping spring.
  • the part of the contact piece on which the actuating lever is supported at least in the open position is designed as a ramp that falls in the direction of rotation of the actuating lever when it is opened.
  • the ramp can be in the form of a linear ramp or a non-linear ramp, i.e. with a linearly decreasing contour or with a non-linearly decreasing contour, e.g. a progressively or degressively decreasing contour.
  • the assembly of the conductor terminal is understood to mean the assembly of the individual components of the conductor terminal to form the finished, ultimately functional conductor terminal.
  • the housing parts of the insulating material housing e.g. two housing half-shells, can be equipped with the components of the contact insert before assembly and then joined together.
  • the Figures 1 to 4 show the conductor connection terminal in a side view with the insulating housing open, so that the internal structure can be seen, in different operating positions of the operating lever.
  • the figure 1 the conductor terminal in the closed position with no conductor connected
  • the figure 2 in closed position with conductor connected
  • Figure 3 shows the conductor terminal in the partially open position and the figure 4 in fully open position, each with no conductor connected. The structure and function of the conductor terminal are described below with reference to the Figures 1 to 4 explained in more detail.
  • the conductor connection terminal 1 has an insulating material housing 2, which can be designed, for example, as a flat, essentially cuboid housing, so that several conductor connection terminals can be lined up next to one another.
  • the insulating material housing 2 can be designed, for example, in the form of two housing half-shells, which are connected to one another after the internal components have been installed.
  • the insulating material housing 2 accommodates the inner components, with the open side finally being closed with a cover 9 or an adjacent conductor connection terminal 1 . Accordingly, the Figures 1 to 4 a view of the conductor terminal with the cover part 9 removed.
  • the conductor connection terminal 1 has at least one contact piece 3, a clamping spring 5 and an actuating lever 7 as further components.
  • the contact piece 3 forms with the clamping spring 5 a contact insert of the conductor terminal 1.
  • the clamping spring 5 and the contact piece 3 are, for example, made entirely of electrically conductive material, in particular metal.
  • the actuating lever can be made of any material, for example the same material as the insulating material housing 2, for example a plastic material.
  • the insulating housing 2 has a conductor insertion opening 6 through which an electrical conductor 8 to be connected can be inserted into the conductor terminal 1 .
  • the conductor 8 can be guided with a stripped end 80 first through the conductor insertion opening 6 into a conductor receiving chamber 60, such as that figure 2 indicates.
  • the contact piece 3 is located in the region of the conductor receiving chamber 60.
  • the conductor receiving chamber 60 can in particular be designed in the shape of a funnel.
  • the contact piece 3 has electrically conductive contact pins 4 for electrical external contacting of the conductor connection terminal 1, which protrude from the insulating material housing 2.
  • the contact piece 3 can be designed, for example, as a U-shaped component when looking into the conductor connection opening 6 , which extends from a lower section identified by the reference number 3 via a connecting section 33 to an upper section 32 .
  • the upper section 32 is connected to a slanted section 31 of the contact piece 3 which is directed in the conductor insertion direction and acts as a slanted conductor insertion point.
  • the beveled section 31 can also be formed as part of the housing 2 of the conductor connection terminal 1 .
  • the clamping spring 5 extends from a first end area 52 over several arcuate areas to a second end area 50.
  • the second end area 50 forms a conductor clamping point 30 with a contact point of the contact piece 3, with which a connected electrical conductor can be connected between the second end area 50 and the Contact piece 3 can be clamped, in particular the figure 2 indicates.
  • the clamping spring 5 is deflected accordingly.
  • the clamping spring 5 also has a driver element 51 .
  • This can at integral formation of the clamping spring 5 can be produced by stamping out an inner portion of the material of the clamping spring. The punched-out inner section then forms the second end region 50 of the clamping spring 5.
  • a crossbar at the end of the window-like recess 59 for example, lies against the pull arm 73 of the actuating lever 7 and forms the driver element 51.
  • the clamping spring 5 is received and held within a clamping spring receiving area of the insulating material housing 2, which is bordered by an inner wall 23 of the insulating material housing 2.
  • the clamping spring 5 is supported with its first end area 52 on one end of the upper section 32 of the contact piece 3 from below.
  • the clamping spring 5 is supported with its second end section 50 on the lower section of the contact piece 3 or on the connected electrical conductor 8, 80.
  • the actuating lever 7 has a grip area 70 which is designed for manually actuating the actuating lever 7 .
  • the actuating lever 7 In the closed position, the actuating lever 7 is pivoted downwards and protrudes only slightly from the insulating material housing 2, in particular only in the handle area 70.
  • the actuating lever 7 In the partially open position and in the fully open position, the actuating lever 7 is pivoted upwards and projects upwards out of the insulating material housing 2 .
  • the actuating lever 7 has two bearing pins 71 protruding laterally from the material of the lever 7 .
  • the actuating lever 7 is not mounted in the insulating material housing 2 via the bearing journals 71 .
  • the bearing journals 71 serve to prevent the actuating lever 7, which is floating in the insulating material housing 1 and is therefore mounted loosely, from being lost can go. This will be discussed in more detail later in connection with the assembly of the operating lever 7 in the insulating material housing 2 .
  • the floating mounting of the actuating lever 7 is realized by supporting the actuating lever 7 via an outer contour 72 of the actuating lever 7 forming a support surface, via which the actuating lever 7 is supported relative to the contact piece 3, in particular its upper section 32.
  • the actuating lever 7 has a pull arm 73 embodied, for example, in the form of a protruding lug, which engages in the window recess 59 of the clamping spring 5 and thereby engages the driver element 51 from behind. Furthermore, the actuating lever 7 has a second lever latching means 74, embodied, for example, in the form of a protruding lug, via which the actuating lever 7 can be moved in its in figure 1 shown closed position by locking the second lever locking means 74 with a designed as a housing locking means, correspondingly shaped locking section on an inner wall 22 of the insulating housing 2 and can be fixed.
  • the actuating lever 7 has a first lever latching means 75 embodied, for example, in the form of an indentation or a groove.
  • the actuating lever 7 can be fixed in its fully open position via this first lever locking means 75, specifically by locking the first lever locking means 75 with a part of the contact piece 3 serving as a counter bearing, as in particular in FIG figure 4 is recognizable.
  • the first lever latching means 75 latches onto an edge, for example the front edge 32a or the possibly rounded front edge at the front end of the upper section 32 of the contact piece 3 .
  • This is in the figure 4 shown as detent R1.
  • An additional detent R2 can be formed between a lower region of the pull arm 73 and a shoulder arranged, for example, on the inner housing wall 22 of the insulating material housing 2 .
  • the outer contour 72 of the actuating lever 7 slides on the contact piece 3.
  • the outer contour 72 is designed in such a way that the actuating lever 7 moves relative to the insulating material housing 2 and thus also to the contact piece 3 during the pivoting movement. This can be observed, for example, by an upward movement of the bearing pin 71 during the opening movement or a downward movement during the closing movement of the actuating lever 7.
  • the actuating lever 7 is not supported on the surrounding insulating material housing 2 via the bearing journal 71, but rather via its rear outer contour 72, which is supported against the upper section 32 of the contact piece 3, which thus forms a pivot bearing surface.
  • the lever 7 can also be supported with a rear side 79 on an inner wall 21 of the insulating material housing 2, at least in certain pivoting angles.
  • the clamping spring 5 holds as a result of the tensile force exerted on the driver element 51 the actuating lever 7 in the position shown, the fixation being supported by the force of the clamping spring 5 via the first lever locking means 75 in connection with the first contact piece locking means.
  • the clamping spring 5 With the operating lever 7 in the closed position and the electrical conductor 8 connected, as in figure 2 shown, the clamping spring 5 is deflected. In this state, the driver element 51 of the clamping spring 5 is therefore not in contact with the tension arm 73 of the actuating lever 7 and is located in a free space below the actuating lever 7. In this state, the actuating lever 7 is in connection with the second housing latching means by the second lever latching means 74 fixed in the position shown in the insulating material housing.
  • the actuating lever 7 and its support on the contact piece 3 are provided at a point which is arranged away from the contact point of the contact piece 3 or the conductor clamping point 30, such that the conductor receiving chamber 60 is arranged in between.
  • the actuating lever 7 is supported on a bearing section 3.2 of the contact piece 3, specifically on a second side 3.2b (top side here) of the bearing section 3.2 that faces away from the conductor receiving chamber 60.
  • the contact leg 52 of the clamping spring 5 is supported on the opposite side of the contact piece 3, namely on a first side 3.2a (here underside) of the bearing section 3.2 facing the conductor receiving chamber 60.
  • the figure 5 shows the actuating lever as a single component in an isometric representation.
  • the bearing journals 71 can be flattened on the underside. This can be helpful for inserting the actuating lever 7 into the insulating housing 2, which is already closed. The actuating lever 7 can then also be inserted from above into the insulating material housing 2 in a position which corresponds to the fully open position. At the same time, the actuating lever 7 cannot be removed from the insulating housing 2 in the closed position.
  • a correspondingly designed lever insertion channel 20 is provided with a guide contour 24, the clear width of which is smaller than the largest diameter of the bearing pin 71 and slightly larger than or equal to the diameter in the area of the flattening.
  • the figure 6 shows the advantageous possibility of inserting the actuating lever 7 through the lever insertion channel 20 in the insulating material 2, from which in the figure 6 only part of the upper area is shown.
  • the bearing pin is guided through the tapering lever insertion channel 20 in such a way that the bearing pin 71 snaps behind the inner wall of the housing when it enters the interior of the insulating material housing.
  • actuating lever 7 can have recesses 76 and webs 77 .
  • the insulating material housing 2 is already closed and the contact piece and the clamping spring are already inserted therein.
  • the clamping spring can be pre-deflected by an object inserted into the conductor insertion opening 6 into the conductor receiving area 60 as an aid, e.g. a screwdriver or an electrical conductor, so that the driver element 51 as in figure 2 recognizable counterclockwise pivoted.
  • the actuating lever 7 can then be used from above. In doing so, the pulling arm 73 grips behind the driver element 51, which has been pivoted by the aid.
  • latching means 78 arranged on the side, e.g.
  • FIGS Figures 7 to 9 shown in comparable views and positions as the first embodiments in the figures 1 , 2 and 4 , ie in the figure 7 in the closed position with no conductor connected, in which figure 8 in the closed position with the conductor connected and in the figure 9 in fully open position with no conductor connected.
  • the second embodiment has many of the same features as the first embodiment and differs, among other things, in a different way of fixing the actuating lever 7 in the closed position.
  • second lever locking means 74 is provided on this for fixing the actuating lever 7, but which is not spaced from the pull arm 73 as in the first embodiment, but is formed on this pull arm 73 itself.
  • a web 26 is provided in the insulating material housing 2, which can be designed, for example, in the manner of a flexible housing strap. This web 26, which then forms the second housing locking means, can thus be deflected when the force is not applied too high, so that when the operating lever 7 is opened, the fixed, closed position can be overcome with moderate effort.
  • the figure 7 shows the actuating lever 7 in the closed position.
  • the second lever locking means 74 presses harder against the web 26 and deflects it somewhat. From a certain open position, the second lever locking means 74 snaps over the web 26, so that the fixation is overcome.
  • the operating lever 7 can then be moved to the open position according to FIG figure 9 be led. In this it is fixed as in the first embodiment via a latch between the first lever latch means 75 and the contact piece 3 (latch R1).
  • the other side wall can, as can be seen in the figures, be designed partially open.
  • an open side wall of a conductor terminal is covered by the closed side wall 27 of the next conductor terminal.
  • a cover plate 9 can be placed on this last conductor terminal, like that figure 13 indicates.
  • the end plate 9 and the side wall 27 of a conductor terminal can each have a guide section 28, 98 at the upper edge, which serves to guide and hold the actuating lever 7 of an adjacent conductor terminal.
  • the actuating lever 7 is supported with a guide contour (79a) facing the guide section 28, 98 on the guide section 28, 98 at least in sections during its pivoting movement.
  • the Figures 13 and 14 show the conductor terminal according to the second embodiment in a cross-sectional view.
  • the figure 13 represents the conductor connection terminal when the operating lever is in the closed position and the electrical conductor is inserted figure 14 with the actuating lever open and the electrical conductor also inserted.
  • the Figures 15 to 17 show a third embodiment of the conductor terminal, each in a perspective view.
  • the figure 18 shows the operating lever 7 of this conductor terminal, also in a perspective view.
  • the actuating lever 7 is in the closed position.
  • Both figures 16 and 17 an additional electrical conductor is inserted into the conductor connection terminal.
  • the representation of figure 17 corresponds to that of figure 16 , with the difference that the contact piece 3 is shown cut in two places, in such a way that the connecting section 33 is missing. This further clarifies the view of the stripped end 80 of the conductor 8 and its clamping via the second end region 50 of the clamping spring 5 .
  • a difference of the third embodiment of the conductor terminal to the previously described embodiments consists in the position and shape of an element 78a arranged on the lever 7 for fixing the lever in the closed position.
  • the element 78a can again be regarded as a latching means, but differs from the previously explained lever-fixed latching means 74 in that the lever fixation realized in this way does not lead to a brief increase in the actuating force when the lever 7 is opened.
  • the element 78a can be in the form of a web, for example, which is arranged on the side of the lever 7 and runs in a clearance in the adjacent housing 2 and in this way defines/limits an end position of the actuating lever 7 in each case.
  • the actuating lever 7 is fixed relative to the insulating material housing 2 by means of lateral latching means 78 arranged in the front area of the actuating lever 7.
  • the conductor connection terminal according to the invention in all of the explained embodiments additionally has an optimized overload protection for protecting the clamping spring 5 if the conductor 8 is inserted into the conductor receiving chamber 60 at an angle or otherwise improperly.
  • the clamping spring 5 must be protected against excessive loading of the second end area 50 and the area that extends from the second end area 50 to the approximately semi-circular spring arc running along the wall 23 .
  • the beveled section 31 designed as part of the insulating material housing 2 extends in the exemplary embodiment to below the upper section 32 of the contact piece. This beveled section 31 thus acts at the same time as a stop for the second end area 50 of the clamping spring 5, so that it cannot be deflected any further upwards.
  • the part of the contact piece 3 on which the actuating lever 7 is supported at least in the open position and possibly also in other positions, in particular in positions before the open position is reached, can be considered in the direction of rotation of the actuating lever when opening can be designed as a rising ramp, falling ramp or as a neutral surface without an incline.
  • the previously described first and third embodiment of the connection terminal show a design as a rising ramp, the second embodiment as a neutral surface.
  • a falling ramp can be realized by the upper portion 32 of the contact piece 3 not, as for example in figure 1 can be seen, is formed to the operating lever 7 towards the front of the terminal 1, ie to the side of the conductor insertion opening 6, increasing, but with a decreasing pitch. With such a design, the actuating forces required to be applied to the actuating lever 7 for pivoting into the open position can be reduced. The result is an easier and more pleasant operation of the connection terminal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)

Claims (16)

  1. Borne de connexion de conducteur (1), comprenant les éléments suivants :
    a) au moins un boîtier en matériau isolant (2),
    b) au moins un insert de contact (3, 5) disposé au moins partiellement dans le boîtier en matériau isolant (2) et présentant au moins une pièce de contact (3) et au moins un ressort de serrage (5),
    c) la pièce de contact formant avec le ressort de serrage au moins un emplacement de serrage de conducteur (30) pour un conducteur électrique (8) qui est à contacter au moyen de la borne de connexion de conducteur (1) et qui peut être sollicité par une force élastique du ressort de serrage (5) au niveau de l'emplacement de serrage de conducteur (30),
    d) au moins un levier d'actionnement (7) monté pivotant dans le boîtier en matériau isolant (2) et destiné à actionner le ressort de serrage (5), le levier d'actionnement (7) pouvant pivoter d'une position fermée à une position ouverte, et inversement, par rapport au boîtier en matériau isolant (2) et/ou à la pièce de contact (3) et, au moins dans la position ouverte, un conducteur électrique (8) introduit dans la borne de connexion de conducteur (1) n'étant pas sollicité par la force élastique du ressort de serrage (5) au niveau de l'emplacement de serrage de conducteur (30),
    e) le levier d'actionnement (7) étant monté flottant et s'appuyant au moins en partie sur la pièce de contact (3) au moins dans la position ouverte, caractérisée en ce que
    f) la borne de connexion de conducteur (1) comprend des premiers moyens d'enclenchement (32, 75) par lesquels le levier d'actionnement (7) est enclenché dans la position ouverte,
    g) les premiers moyens d'enclenchement (32, 75) comprennent un premier moyen d'enclenchement de levier (75) qui fait partie du levier d'actionnement (7), et un premier moyen d'enclenchement de pièce de contact (32) qui fait partie de la pièce de contact (3),
    h) dans la position complètement ouverte du levier d'actionnement (7), le ressort de serrage (5) maintient le levier d'actionnement (7) dans la position complètement ouverte en raison de sa force de traction exercée sur un élément entraîneur (51) du ressort de serrage (5), la fixation via le premier moyen d'enclenchement de levier (75) en liaison avec le premier moyen d'enclenchement de pièce de contact (32) étant assistée par la force du ressort de serrage (5).
  2. Borne de connexion de conducteur selon la revendication précédente, caractérisée en ce que la pièce de contact (3) présente une portion de serrage (3.1) dans laquelle est disposé l'emplacement de contact, et une portion de montage (3.2) sur laquelle le levier d'actionnement (7) s'appuie au moins partiellement dans la position ouverte, une chambre de réception de conducteur (60) étant disposée entre la portion de serrage (3.1) et la portion de montage (3.2).
  3. Borne de connexion de conducteur selon la revendication précédente, caractérisée en ce que le ressort de serrage (5) présente une branche d'appui (52) par laquelle le ressort de serrage (5) s'appuie sur la pièce de contact (3) sur un premier côté (3.2a) de la portion de montage (3.2) tourné vers la chambre de réception de conducteur (60).
  4. Borne de connexion de conducteur selon l'une des revendications 2 à 3, caractérisée en ce qu'au moins dans la position ouverte, le levier d'actionnement (7) s'appuie au moins en partie sur un deuxième côté (3.2b) de la portion de montage (3.2) de la pièce de contact (3) détourné de la chambre de réception de conducteur (60).
  5. Borne de connexion de conducteur selon l'une des revendications 2 à 4, caractérisée en ce que la portion de montage (3.2) est reliée à la portion de serrage (3.1) par une portion de liaison (33) de la pièce de contact (3).
  6. Borne de connexion de conducteur selon l'une des revendications 2 à 5, caractérisée en ce que la portion de montage (3.2) de la pièce de contact (3) est réalisée sous forme de plaque, en particulier sous forme de plaque métallique.
  7. Borne de connexion de conducteur selon l'une des revendications 2 à 6, caractérisée en ce qu'au moins dans la position ouverte du levier d'actionnement (7), une chaîne de force fermée vers la branche d'appui (52) du ressort de serrage (5) est formée depuis un élément entraîneur (51) du ressort de serrage (5), en passant par un bras de traction (73) du levier d'actionnement (7) sollicitant l'élément entraîneur (51), par son contour extérieur (72) et par le premier côté (3.2a) et le deuxième côté (3.2b) de la portion de montage (3.2).
  8. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce que la chambre de réception de conducteur (60) est séparée du levier d'actionnement (7) par la portion supérieure (32), en particulier par la portion de montage (3.2), de la pièce de contact (3).
  9. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce qu'un bras de traction (73) du levier d'actionnement (7) est disposé entre le contour extérieur (72) du levier d'actionnement (7) et une zone de préhension (70) du levier d'actionnement (7).
  10. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce que le levier d'actionnement (7) présente des tourillons de montage (71) qui font saillie parallèlement à l'axe de rotation du mouvement de pivotement et qui sont conçus pour bloquer le levier d'actionnement (7) à l'encontre d'un enlèvement du levier d'actionnement (7) hors du boîtier en matériau isolant (2).
  11. Borne de connexion de conducteur selon la revendication précédente, caractérisée en ce que le boîtier en matériau isolant (2) présente un canal d'introduction de levier (20) pour insérer le levier d'actionnement (7), le canal d'introduction de levier (20) présentant un contour de guidage (24) pour guider les tourillons de montage (71) au moins pendant l'insertion du levier d'actionnement (7).
  12. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce que la partie de la pièce de contact (3) sur laquelle le levier d'actionnement (7) s'appuie au moins dans la position ouverte est réalisée sous la forme d'une rampe descendant dans le sens de rotation du levier d'actionnement (7) lors de l'ouverture.
  13. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce que le levier d'actionnement (7) s'appuie sur une portion supérieure (32) de la pièce de contact (3), et une chambre de réception de conducteur (60) destinée à recevoir le conducteur électrique (8) à contacter est disposée entre la portion supérieure (32) et un emplacement de contact de la pièce de contact (3) au niveau duquel l'emplacement de serrage de conducteur (30) est formé avec une zone d'extrémité (50) du ressort de serrage (5).
  14. Borne de connexion de conducteur selon l'une des revendications précédentes,
    caractérisée en ce que le levier d'actionnement (7) présente un premier moyen d'enclenchement de levier (75) par l'intermédiaire duquel le levier d'actionnement (7) peut être fixé dans sa position complètement ouverte par enclenchement du premier moyen d'enclenchement de levier (75) avec une partie de la pièce de contact (3), servant de contre-palier, sous la forme d'un cran (R1).
  15. Borne de connexion de conducteur selon la revendication 14,
    caractérisée en ce que dans la position complètement ouverte du levier d'actionnement (7), un cran supplémentaire (R2) est formé entre une zone inférieure d'un bras de traction (73) du levier d'actionnement (7) et un épaulement disposé sur une paroi interne (22) du boîtier en matériau isolant (2).
  16. Borne de connexion de conducteur selon la revendication 15,
    caractérisée en ce que la ligne d'action de la force de traction de l'élément entraîneur (51) passe entre le cran (R1) et le cran supplémentaire (R2).
EP18168528.0A 2014-09-26 2015-09-25 Borne de connexion de conducteur Active EP3367510B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014114026.5A DE102014114026B4 (de) 2014-09-26 2014-09-26 Leiteranschlussklemme und Verfahren zu deren Montage
PCT/EP2015/072121 WO2016046372A1 (fr) 2014-09-26 2015-09-25 Borne de raccordement de conducteur et procédé de montage de ladite borne
EP15770876.9A EP3198681B1 (fr) 2014-09-26 2015-09-25 Borne de raccordement de conducteur et procédé de montage de ladite borne

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EP15770876.9A Division EP3198681B1 (fr) 2014-09-26 2015-09-25 Borne de raccordement de conducteur et procédé de montage de ladite borne

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EP3367510A1 EP3367510A1 (fr) 2018-08-29
EP3367510B1 true EP3367510B1 (fr) 2022-11-16

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EP15770876.9A Active EP3198681B1 (fr) 2014-09-26 2015-09-25 Borne de raccordement de conducteur et procédé de montage de ladite borne

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EP (2) EP3367510B1 (fr)
JP (2) JP6416389B2 (fr)
KR (2) KR101925227B1 (fr)
CN (2) CN110474173B (fr)
DE (1) DE102014114026B4 (fr)
ES (2) ES2933496T3 (fr)
PL (2) PL3367510T3 (fr)
TR (1) TR201807285T4 (fr)
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JP6416389B2 (ja) 2018-10-31
DE102014114026A1 (de) 2016-03-31
PL3367510T3 (pl) 2023-02-20
KR102034977B1 (ko) 2019-10-21
ES2676590T3 (es) 2018-07-23
KR20180129988A (ko) 2018-12-05
CN107078414B (zh) 2019-09-13
WO2016046372A1 (fr) 2016-03-31
JP6698752B2 (ja) 2020-05-27
US20180205159A1 (en) 2018-07-19
JP2018160467A (ja) 2018-10-11
PL3198681T3 (pl) 2018-10-31
TR201807285T4 (tr) 2018-06-21
EP3367510A1 (fr) 2018-08-29
KR101925227B1 (ko) 2018-12-04
DE102014114026B4 (de) 2023-03-30
CN107078414A (zh) 2017-08-18
EP3198681B1 (fr) 2018-05-16
US20200153125A9 (en) 2020-05-14
US10193245B2 (en) 2019-01-29
US20190109390A1 (en) 2019-04-11
US10665965B2 (en) 2020-05-26
KR20170061666A (ko) 2017-06-05
ES2933496T3 (es) 2023-02-09
CN110474173B (zh) 2020-12-18
CN110474173A (zh) 2019-11-19
JP2017528877A (ja) 2017-09-28
EP3198681A1 (fr) 2017-08-02

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