EP2675017A1 - Elément de raccordement pour conducteurs électriques - Google Patents

Elément de raccordement pour conducteurs électriques Download PDF

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Publication number
EP2675017A1
EP2675017A1 EP13163739.9A EP13163739A EP2675017A1 EP 2675017 A1 EP2675017 A1 EP 2675017A1 EP 13163739 A EP13163739 A EP 13163739A EP 2675017 A1 EP2675017 A1 EP 2675017A1
Authority
EP
European Patent Office
Prior art keywords
spring
connecting element
busbar
clamping
locking
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.)
Granted
Application number
EP13163739.9A
Other languages
German (de)
English (en)
Other versions
EP2675017B1 (fr
Inventor
Michael Meyer
Jakob Schellenberg
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 EP2675017A1 publication Critical patent/EP2675017A1/fr
Application granted granted Critical
Publication of EP2675017B1 publication Critical patent/EP2675017B1/fr
Not-in-force 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
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863—Coil spring
    • H01R4/4872—Coil spring axially compressed to retain wire end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring

Definitions

  • the invention relates to a connection element for electrical conductors, in particular shielded electrical conductors, according to the preamble of claim 1.
  • connection elements are used, inter alia, to connect electrical conductors to a busbar of an electrical installation.
  • the busbar serves as a reference potential, e.g. as a common mass.
  • a shielded electrical conductor is pressed against the busbar with an end exposed from the cable shield.
  • Such connection elements are therefore also referred to as a shield terminal.
  • connection element for electrical conductors, in which a spring clamping mechanism can be hooked by actuation with a tool at different positions of the spring clamping mechanism behind a retaining element to take a locked position, or can be unhooked by re-tool operation of the locking position.
  • the operation of the local connection element requires some practice. It can also lead to incorrect operation, because the current position of the spring clamp mechanism, ie whether this is in the locked position or not, is not readily apparent from the outside.
  • connection element for electrical conductors, in which a prestressed clamping spring is provided, with which an electrical conductor can be pressed against the busbar.
  • the connection element has a locking position in which the local spring clamping mechanism does not load the electrical conductor with the spring force.
  • the local connection element of the locking mechanism is designed as a tilting holder, in which the locking position is taken over a certain angle of a pressure piece. To release from the locking position, the pressure piece is pressed against the electrical conductor, which leads to tilting of the pressure piece and due to the rigid mechanical connection of the pressure piece with the tilt bracket for releasing the tilt bracket.
  • For releasing from the locking position so that portion of the connecting element, which serves for mechanically securing the connecting element to the busbar, to move away from the busbar. After releasing the locking mechanism, it is necessary to perform the correct mechanical attachment to the busbar.
  • the invention has for its object to provide a connection element for electrical conductors, in which the electrical conductor via a spring clamping mechanism to the busbar can be pressed, the handling of the connection element should be made easier and safer for the user and misuse options should be largely excluded.
  • connection element has the advantage that the handling and operation of the connection element for the user is considerably simplified and ergonomically designed. A faulty operation and faulty connection of electrical conductors is already largely excluded by the construction of the connection element.
  • the connecting element according to the invention has a locking mechanism with at least one elasticallysfedernden tab having at least a first locking means and at least one cooperating with the first locking means for forming a locking connection second locking means, the locking and releasing the locking of the spring clamping mechanism of the fastening of the connecting element on the busbar, which is done by means of the busbar mounting portion, are decoupled.
  • the connection element according to the invention can be mounted with the busbar mounting portion first in the final mounting position on the busbar become.
  • connection element on the busbar can be checked.
  • the spring clamping mechanism may already be in the locked position before or during the fastening of the connection element to the busbar.
  • the spring clamping mechanism can be brought into the locked position even after the attachment of the connection element to the busbar.
  • the connection element already fastened to the busbar and aligned therewith must no longer be released from it.
  • the locking mechanism can be solved in the existing position of the connecting element by mechanical application of force to the self-resilient tab, in which this is moved in the compression direction, ie against any existing bias of the self-resilient tab, thereby the first locking means of the second locking means is released and so that the spring clamp mechanism is released.
  • the self-resilient tab is thus movable relative to the second locking means.
  • the at least one tab is formed as an elasticallysfedernde tab, ie a corresponding spring action is already provided on or in the tab, so that the spring force of the clamping spring is not required for secure holding the spring clamping mechanism in the locking position, such as at EP 0 944 131 B1 ,
  • the self-resilient tab In the releasing operation of the locking mechanism, the self-resilient tab is moved in the jounce direction. Here, the self-resilient tab is stretched, or any existing bias ofsfedernde tab is increased.
  • the self-resilient tab can therefore be designed as a prestressed self-resilient tab.
  • the self-resilient tab does not necessarily have to be biased in any position of the spring clamp mechanism. Thus, the self-resilient tab, e.g. be tension-free in the clamping position or in other positions.
  • the connection element have a ramp on which the self-resilient tab is guided along during a relative movement between the first and the second latching means and the self-resilient tab thereby builds up the prestressing.
  • the self-resilient tab permanently has a preload which may be constant or may vary in height depending on the position of the spring clamp mechanism.
  • the first locking means may be formed, for example, as a latching lug or other latching projection and the second latching means as a latching edge, or vice versa. It can also be formed as a latching lug or other latching projection both locking means.
  • the self-resilient tab may be connected to the spring clamping mechanism and be movable with this along the connecting element. The self-resilient tab may also be attached to another part of the terminal that does not move with the spring clamp mechanism, such as on a back plate of the terminal.
  • the clamping spring can e.g. be designed as a spiral spring with a spring direction in the axial direction, as a torsion coil spring or other torsion spring, as a plate spring or as an elastically resilient curved or angled metal strip.
  • the clamping spring can be made of metal or of suitable plastics.
  • the transmission means may direct or indirectly, e.g., in relative motion between the first and second detent means, move the spring clamping mechanism. via a diversion, implement.
  • the transmission means may e.g. by a direct connection between the self-resilient tab and a part of the spring clamp mechanism, e.g. a pressure plate of the spring clamping mechanism, be realized.
  • the transmission means is adapted to transmit in the locking position, the spring force of the clamping spring completely or partially on the latching connection, so that the first latching means is thereby pressed against the second latching means.
  • the self-resilient tab on a spring independent of the spring mechanism may be formed in one embodiment of the invention as an elastic element, which has an elasticity corresponding to the requirements and thus own spring action due to the material used and / or the shape. In this case, it is not necessary to provide other components, such as an additional spring, for realizing the self-locking tab.
  • the self-resilient tab thus has, so to speak, an integrated spring mechanism independent of the clamping spring.
  • the independent spring mechanism may also have other components, such as acting in the direction of the compression and Ausfederides the self-resilient tab auxiliary spring, such as a coil spring or a plate spring. This has the advantage that the self-locking tab in terms other design degrees of freedom can be designed and optimized independently of the spring clamp mechanism or the clamping spring.
  • the locking of the spring clamping mechanism in the locked position by applying force to the self-resilient tab in that direction is releasable, which is opposite to the direction of movement of the self-resilient tab in the automatic rebound due to movement of the spring clamping mechanism in the locked position.
  • This allows easy operation of the connection element with respect to the locking and releasing the lock.
  • the self-resilient tab is to operate to release the lock, but not the spring clamp mechanism or its pressure plate.
  • the self-resilient tab may be formed with a manual operating portion, or an actuating lever or -drücker be present on the connection element.
  • the locking mechanism may be formed with a single self-locking tab or with several self-resilient tabs.
  • the symmetrical arrangement of an even number of self-resilient tabs for example of two symmetrically arranged self-resilient tabs on two opposite sides of the connection element, is advantageous.
  • According to an advantageous embodiment of the invention is to release the locking mechanism in each case to actuate a pair of self-resilient tabs in opposite directions of actuation, ie either towards or away from each other.
  • the self-resilient tab is adapted to spring in a direction which is substantially perpendicular to the effective direction of the spring force of the clamping spring.
  • the spring clamping mechanism can be designed differently.
  • the spring clamping mechanism only has a clamping spring, which has a certain contact point or contact side for engagement with the electrical conductor.
  • the clamping spring can act on the electrical conductor via a pressure plate of the spring clamping mechanism.
  • the clamping spring can be supported on the side facing away from the electrical conductor or the busbar side on a back plate of the connection element, which is connected to the busbar mounting portion.
  • the spring clamping mechanism has a pressure plate acted on by the clamping spring and movable relative to the busbar fastening section along the connection element, which is set up to press the electrical conductor against the busbar.
  • the pressure plate has the advantage that a secure fixing and adjustment of the electrical conductor can be ensured by appropriate shaping, for example by providing bevelled areas of the pressure plate, the electrical conductor to the desired location, usually in the middle of the busbar mounting portion , lead and center there.
  • Another advantage is that simple, commercially available springs can be used as a clamping spring, even if they would not be suitable by their shape alone for the action on the electrical conductor, such as coil springs.
  • By additionally provided pressure plate is a decoupling of the terminal point of the electrical Conductor of the clamping spring, so that a simple and better optimization of the terminal point can be made to the shape of electrical conductors, without complicating the design of the clamping spring.
  • the pressure plate is movable in a linear movement direction along the connection element.
  • the connection element can be used for this purpose, e.g. have rail-like straps that guide the pressure plate in the linear direction of movement.
  • the rail-like brackets can serve as connecting elements between the busbar mounting portion of the terminal member and the back plate, against which the clamping spring is supported.
  • the pressure plate can be moved along the connection element and in this case guided through parts of the connection element. This allows a secure guidance of the printing plate without additional components.
  • one or more of the self-resilient tabs are connected to the pressure plate or formed thereon.
  • connection element as a busbar mounting portion or part of the busbar mounting portion on at least one clamping bracket with at least two opposing clamping yoke ends which are resiliently latched onto a busbar.
  • the clamping bracket ends are fixed in the clamping position of the spring clamping mechanism by the pressure plate against a springing.
  • the pressure plate in addition to the function of pressing the electrical conductor against the busbar, has a further function, namely the securing of the clamping bracket ends against a spring, so that in the clamping position virtually no loosening of the connection element of the busbar is possible .
  • the pressure plate can release the fixation of the clamping bar ends, so that they can be solved by springs again from the busbar.
  • the clamps e.g. in the region in which the pressure plate is in the locking position or at least close to the locking position, have recesses or tapers, so that a certain amount of space is created, which makes it possible to spring up the clamping bar ends.
  • connection element has at least one pusher and / or lever, which is adapted to act on manual operation on the self-resilient tab for releasing the locking of the spring clamp mechanism.
  • This allows easy manual release of the spring clamp mechanism from the locked position without the need for tools.
  • a common operation by a single pusher and / or lever for one or moredesfedernde tabs may be provided or respective individual pushers and / or levers for eachsfedernde tab or groups of self-resilient tabs, for example pairs of self-resilient tabs to be actuated in opposite directions of action.
  • the connection element is fixed substantially immovably on the busbar. Even extreme conductor movements can not lead to tilting of the connection element with respect to the busbar.
  • connection element has at least one securing element which can be placed either in a secured position or in an unsecured position, wherein the actuation of the self-resilient tab is blocked by the securing element in the secured position and in the unsecured position Operability of the self-locking tab is not blocked.
  • the operating safety of the connection element can be increased. In particular, an unwanted operating error can be avoided.
  • the connecting element has at least one pusher and / or lever which is adapted to act on manual operation on the josfedernde tab for releasing the locking of the spring clamp mechanism, wherein by the securing element in the secured position of the pusher or the lever is blocked from acting on the self-locking tab and is not blocked in the unsecured position.
  • connection element has a patch on a back plate of the connection element cap on which the pusher, the lever and / or the securing element at least is arranged in its secured position.
  • the cap covers the connection element 1 upwards optically and protects the connection element at the same time.
  • the securing element is attached via a hinge to the cap.
  • the hinge may be formed in particular as a film hinge, which allows a production technology favorable and inexpensive realization of the hinge hinge.
  • the locking position by applying force to the self-resilient tab 8 opposite to the direction of the automatic rebound is releasable again.
  • connection element can advantageously be combined with all embodiments mentioned above and below.
  • FIG. 1 shows the connection element 1 in an isometric view
  • FIG. 2 shows a section 10 of FIG. 1
  • FIG. 3 shows a first side view of the connection element 1
  • FIG. 4 a second side view of the connection element 1
  • the FIG. 5 a section through the connection element 1 along a in FIG. 4 shown section plane AA.
  • connection element 1 is used for the mechanical fastening and electrical connection of an electrical conductor 2 to a busbar 3.
  • the connection element 1 is adapted to be clipped or clipped onto the busbar 3 in one direction 30, which will be described in more detail below.
  • the electrical conductor 2 is guided in a direction 20 between the connection element 1 and the busbar 3 and then pressed by means of a spring clamping mechanism 7 of the connection element 1 against the busbar 3.
  • connection element 1 has a busbar attachment section 5, via which the connection element 1 is fastened to the busbar 3.
  • bus bar fixing portion 5 respective bail arms 41, 42, 43, 44 of the terminal member 1 serving as a tension bar are in the form of a bar Shaped and mounted support for the busbar 3, such that clamping bracket ends 51, 53, 55, 57 are formed, which are adapted to the outer contour of the busbar 3 in terms of their internal dimensions and their inner contour.
  • the clamp ends 51, 53, 55, 57 terminate with angled pull hooks 52, 54, 56, 58, which are designed to encompass the busbar 3 from the underside and thus to fix the connection element 1 to the busbar 3.
  • the towing hooks 52, 54, 56, 57 have beveled edges aligned with the busbar 3 in the direction of attachment, which forces such forces on the towing hooks 52, 54, 56, 58 or the clamping yoke ends 51, 53 when the connecting element 1 is placed on the busbar 3 , 55, 57 that the bail arms 41, 42, 43, 44 spring open, ie, are moved in opposite directions in pairs away from each other until the towing hooks 52, 54, 56, 58 engage behind the busbar 3, whereby the bail arms 41, 42, 43, 44 can spring together again.
  • the busbar mounting portion 5 is connected via the hanger arms 41, 42, 43, 44 with a spring clamping mechanism 7 of the connection element 1.
  • the clamp arms 41, 42, 43, 44 thus also form a connecting portion 4.
  • the spring clamp mechanism 7 has a prestressed clamping spring 70, which may be formed as a spiral spring in pressure arrangement, for example, as shown in the figures.
  • the clamping spring 70 is supported against a back plate 6 of the connecting element 1, which is connected to the connecting portion 4, that is, the bail arms 41, 42, 43, 44 connected.
  • the connection element 1 therefore has, as in the FIG. 3 clearly visible, the connection element 1 to a U-shaped bracket, which is formed by the busbar mounting portion 5, the subsequent connecting portion 4 and the substantially vertically extending back plate 6.
  • the U-shaped bracket formed from these parts can be made in one piece, for example, as a stamped and bent part of a suitably suitable resilient material, for example of metal or a non-metallic material.
  • the clamping spring 70 is clamped between the back plate 6 and a pressure plate 76.
  • the pressure plate 76 is, as in particular in the Figures 3 and 5 is clearly visible, in a region 73 which serves for receiving and pressing the electrical conductor 2, not flat, but has symmetrical slopes, through which the electrical conductor 2 is adjusted and centered so that it is approximately centrally below the clamping spring 70 is located.
  • a separate component for example a sheet metal part, may be arranged on the side of the pressure plate 76 facing away from the back plate 6, which has the aforementioned bevels. In this case, the pressure plate 76 may be flat at least in the region 73.
  • the pressure plate 76 has two outwardly projecting ears 71, 72 extending obliquely away from the busbar mounting portion 5.
  • the ears 71, 72 serve to secure the clamping spring 70 in order to prevent it from falling or slipping out of the desired position within the U-shaped bracket.
  • the ears 71, 72 serve as an aid to manually tension the pressure plate 76 against the compressive force of the clamping spring 70, ie to move the pressure plate 76 in the direction of the back plate 6, in particular into the in the FIGS. 1 to 5
  • the ears 71, 72 taken either with two fingers and thus the pressure plate 76 are pulled in the direction of the back plate 6.
  • an aid can be hung in fastening openings 79, which are respectively present in the ears 71, 72, for example, a wire loop, with which the tensioning of the spring clamping mechanism 7 can take place.
  • the pressure plate 76 has guide projections 74, 75 which completely or partially surround the hanger arms 43, 44. In the figures, this is due to the perspective used for each of the visible guide projections on the Side of the hanger arms 43, 44 shown. On the opposite side of the hanger arms 41, 42, the pressure plate 76 may have comparable guide projections. By means of the guide projections 74, 75, the pressure plate 76 along the hanger arms 43, 44, and 41, 42 out. In this case, the guide projections 74, 75 slide along outer guide surfaces on the bow arms 43, 44, 41, 42 during a longitudinal movement of the pressure plate 76 in the effective direction of the spring force of the clamping spring 70.
  • the outer contour of the respective bow arms 41, 42, 43, 44 facing inward, ie concave so that the distance between the opposite sides of the respective pairs of bow arms 41, 42 and 43, 44th is reduced in the region of the arc sections 46, 47.
  • the guide projections 74, 75 of the pressure plate 76 are arranged and spaced from each other such that when the pressure plate 76 in the lower portions of the hanger arms 41, 42, 43, 44 in the direction of the busbar mounting portion 5, a substantially backlash-free or at least low-backlash guide results. Accordingly, in the in the FIGS. 1 to 5 shown upper position of the pressure plate 76 in the locked position or near the locking position a certain amount of space between the bail arms 41, 42, 43, 44 and the guide projections 74, 75 available. This clearance can be used to spring the bow arms 41, 42, 43, 44 for latching the connecting element onto the busbar 3. If the pressure plate 76 is further down, that is, more near the busbar mounting portion 5, then said clearance is not present. In this case, the pressure plate 76 thus blocks over the guide projections 74, 75 in this state undesirable springing of the hanger arms 41, 42, 43, 44, so that the connection element 1 is securely fixed to the busbar 3.
  • the back plate 6 in the region of the transition to the arcuate portions 46, 47 recesses, can be passed through the elasticallysfedernde tabs 8 of a locking mechanism.
  • the self-resilient tabs 8 have a transition section 80 which substantially comprises the self-resilient spring action, via which the self-resilient tabs 8 are connected to the pressure plate 76.
  • the transition section 80 also serves as a transmission means, which is adapted to transmit a movement of the spring clamping mechanism 7 in the locking position in a relative movement between the first and the second latching means 61, 62, 63, 64, 69,82, 83.
  • a guide section 81 adjoins the transition section 80, which can be formed from the material of the self-resilient tab 8 in the form of an outwardly punched-out and bent-out tab.
  • the guide portion 81 is thus arranged between the mutually facing surfaces of a respective pair of ironing arms 41, 42 and 43, 44.
  • the guide section 81 is guided by the mutually facing surfaces of the arcuate sections 46, 47 substantially free of play or at least with little play.
  • Adjoining the transition section 80 is a region of the self-resilient tab 8, in which latching lugs 82, 83 of the self-resilient tab 8 which project in a pair of substantially symmetrically outward directions are formed.
  • the locking lugs 82, 83 act as part of the locking mechanism together with locking edges 61, 62 which are formed at the transition between the arcuate portions 46, 47 and the back plate 6.
  • the latching edges 61, 62 extend in a plane that is substantially perpendicular to the effective direction of the spring force of the clamping spring 70.
  • the self-locking tab 8 ends with an actuating portion 84, which is intended to be operated by hand or by means of a tool, to a lock of the spring clamp mechanism in the locked position cancel. To release the lock, the two self-resilient tabs 8 on the operating portions 84 to move toward each other.
  • the locking lugs 82, 83 slide from the latching edges 61, 62, so that as a result of the force of the clamping spring 70, the pressure plate 76 is moved in the direction of the busbar mounting portion 5.
  • the self-resilient tabs 8 spring back outward as soon as the locking lugs 82, 83, the locking edges 61, 62 happen.
  • the latching lugs 82, 83 engage over the latching edges 61, 62 such that the pressure plate 76 is prevented from moving in the direction of the busbar fastening section 5. As a result, the locking connection is made.
  • the self-resilient tabs 8 can either be permanently compressed and thus under increased spring force, or by appropriate shaping of the hanger arms 41, 42, 43, 44 can also be provided that the self-resilient tabs rebound again, so that the tension is reduced in it.
  • the arrangement of the pressure plate 76 with the ears 71, 72 and the self-resilient tabs 8 can be made in one piece from a suitably suitable resilient material in the form of a stamped and bent part, e.g. made of metal or a non-metallic material.
  • the entire connection element 1 can thus be manufactured with only three separate components, namely the stamped bent part produced in the form of the U-shaped bracket, the second stamped bent part with the pressure plate 76, the ears 71, 72 and the self-resilient tabs 8 and Clamping spring 70 as a third part.
  • FIGS. 6 to 10 show a second embodiment of the connecting element 1.
  • the FIG. 6 again shows an isometric view
  • the FIG. 7 a side view that FIG. 8 a sectional view along in FIG. 7 Plotted sectional plane BB
  • the FIG. 9 again an isometric Representation in addition, an electrical conductor 2 and the busbar 3 is shown
  • the FIG. 10 a side view of the subject of FIG. 9
  • the connection element 1 according to the FIGS. 6 to 10 is identical in terms of various elements as the connecting element according to the FIGS. 1 to 5 , so that only the different elements will be explained in more detail below.
  • the connection element 1 according to the FIGS. 6 to 10 has a patch on the back plate 6 cap 9, which may be made of plastic, for example.
  • the cap 9 covers the connection element 1 upwards optically and protects the connection element 1 at the same time.
  • the cap 9 has two integrated manual actuators 91, 92 in the form of actuating levers, which are integrally connected via a material portion 93 with the rest of the material of the cap 9.
  • an actuation pressure can be exerted on the actuation sections 84 of the self-locking tabs 8 in order to release the spring clamp mechanism from the locking position.
  • the cap 9 also has a receptacle 99 for a label that can be inserted from above into the cap 9.
  • connection element 1 shows the connection element 1 in a clamping position in which by means of the clamping spring 70 via the pressure plate 76 of the electrical conductor 2 is pressed against the busbar 3.
  • the connection element 1 according to the invention is suitable for electrical conductors of all kinds, ie both conductors without external insulation and for shielded conductors.
  • the Figures 9 and 10 show by way of example a shielded conductor 2 with an outer insulation 21 and the electrically conductive core 22. In the area in which the connection to the busbar 3 is to be made electrically by the connection element 1, the insulation 21 is removed from the electrical conductor 2.
  • FIG. 11 shows a third embodiment of the connection element 1, which except for the difference explained below, the connection element of FIGS. 6 to 10 equivalent.
  • the connection element of FIGS. 6 to 10 equivalent is also a cap 9 available.
  • the actuating levers are not integrally formed with the cap 9, but designed as separate parts which are mounted pivotably about a respective axis of rotation 96 on the cap 9.
  • FIGS. 12 and 13 show a fourth embodiment of the connecting element 1.
  • the connecting element 1 in contrast to the embodiment according to the FIGS. 1 to 5 aresfedernden pools 8 not in the region of the recesses of the back plate 6 and in the space between the respective mutually facing sides of the hanger arms 41, 42 and 43, 44, but provided in a plan view of the connecting element 1 so to speak offset by 90 °, by instead of the holes 79 in the ears 71, 72 corresponding self-resilient tabs 8 are punched out of the ears 71, 72.
  • the self-resilient tabs 8 each have a resilient region 85 and a region 86, 88 containing the latching noses.
  • the resilient portion 85 also serves as a transmission means which is adapted to transmit a movement of the spring clamping mechanism 7 in the locking position in a relative movement between the first and second latching means 61, 62, 63, 64, 69,82, 83.
  • the latching edges cooperating with the self-resilient tabs 8 or their latching noses are formed in this case by areas 63, 64 on the upper side of the back plate 6, over which the locking tabs formed in the areas 86, 88 snap over in the locking position.
  • unlocking of the locking mechanism is characterized in that corresponding outwardly directed forces on the areas 86, 88, which then act as operating sections, are exercised, whereby their latching noses from the locking edges 63, 64 slip so that the lock is released and the pressure plate 76 is moved by the force of the clamping spring 70 in the direction of the busbar mounting portion 5.
  • FIGS. 14 to 17 show a fifth embodiment of a connecting element for electrical conductors, respectively in isometric views.
  • the Figures 14 and 16 show the connecting element 1 obliquely from the front
  • the FIGS. 15 and 17 show the connection element 1 obliquely from behind.
  • In the FIGS. 14 and 15 is the connection element 1 shown in the locked position, in the FIGS. 16 and 17 in the clamping position.
  • connection element 1 in turn has a back plate 6, which in this case is connected to a busbar attachment section 5 via only two clamp arms 41, 42.
  • the connection element 1 is thus open on one side.
  • the busbar mounting portion 5 is adapted to be positioned below the busbar 3 so that an inserted electrical conductor 2 is pressed from above against the busbar 3 via the spring clamping mechanism 7 and the busbar mounting portion 5 in the clamping position, the connection element 1 on the Busbar 3 stops.
  • the locking mechanism is formed in a comparable manner as in the previously described embodiments and advantageous to operate in the same way.
  • the pressure plate 76 according to the fifth embodiment is provided approximately centrally with a slot 141.
  • the two separated by the slot 141 areas of the pressure plate 76 are connected to each other via an ear 140 in which the slot 141 ends.
  • the pressure plate 76 passes via transmission means 80 into two self-resilient tabs 8.
  • the self-resilient tabs 8 extend to angled actuating portions 84 of the self-locking tabs 8, which in turn for manual actuation of the self-locking tabs for releasing the locking mechanism from the locking position are provided.
  • the elastic spring action is imparted to the self-resilient tabs 8 by the shape and configuration of the pressure plate 76, wherein the spring action is significantly influenced by the ear 140, on the extension of the slot 141 during compression or rebound of the self-resilient tabs 8 a torsional load is generated.
  • the respective self-resilient tab 8 has a respective latching edge 82, 83 in the area of the transmission means 80.
  • the locking edge 82, 83 cooperates with locking lugs 61, 62, which are formed as material projections on the mutually facing surfaces of the hanger arms 41, 42.
  • the locking edges 82, 83 that is, the first locking means, via the locking lugs 61, 62, that is, the second locking means, moves.
  • the self-resilient tabs 8 are moved towards each other when passing the locking lugs 61, 62, ie the slot 141 is at least temporarily narrower.
  • the self-resilient tabs 8 spring.
  • the self-resilient tabs 8 can rebound again and then form with the locking lugs 61, 62, the latching connection.
  • an actuation pressure is exerted manually on the actuation areas 84 of the self-locking tabs 8, for example by manual actuation with two fingers.
  • the self-resilient tabs 8 are in turn moved towards each other while reducing the width of the slot 141 so that the locking edges 82, 83, the locking lugs 61, 62 can happen.
  • the pressure plate 76 is moved together with the self-resilient tabs 8 toward the busbar mounting portion 5.
  • FIGS. 18 to 21 show a sixth embodiment of the connecting element, which apart from the differences explained below of the embodiment according to the FIGS. 6 to 11 equivalent.
  • the connection element 1 provided with a cap 9.
  • the variant with the pushers 91, 92 is assumed.
  • a cover part 180 is attached to a longitudinal side of the cap via a film hinge 181, which acts as a securing element for securing the connecting element 1 against unwanted actuation of the self-resilient tabs 8.
  • the lid member 180 can be pivoted to an open position corresponding to the unsecured position. This is in the FIGS. 18 and 19 shown.
  • the lid part 180 is shown in a folded-down position in which it rests against the top of the cap 9. The lid part 180 is then in a position corresponding to the secured position.
  • the film hinge 181 may be made of the material of the cap 9 and the lid part 180, so that the cap 9 can be manufactured with the lid part 180 in one piece in a manufacturing process.
  • other types of articulation of the cover part 180 are possible, for. B. via a separate hinge. Even a loose provision of the cover part 180 is possible.
  • the lid part 180 has at its to the respective pushers 91, 92 facing end portions protruding wings 184, which serve in the folded down state of the lid part 180 for blocking the pushers 91, 92.
  • this may be formed with locking lugs 183 which engage behind a corresponding edge of the cap 9 and thus secure the lid part 180.
  • the cover part 180 may have a window-like recess to release the view of an underlying labeling field 99.
  • the central area 182 may also be without a recess be formed, ie there is then the material of the cover part 180 is present. In this case, the central area 182 itself can be used as a label field.
  • FIG. 19 shows a section of the upper portion of the terminal 1 with the cap 9, in the in FIG. 18 It can be seen that the pusher 92 can be pressed by manual operation against thesfedernde tab 8, so that it can be released from its lock. In order to avoid unwanted incorrect operation of the connection element 1, the lid part 180 can be folded into the secured position, as in FIG. 20 shown.
  • the FIG. 21 shows a similar section as the FIG. 19 , but with lid part 180 folded down according to FIG FIG. 20 , It can be seen that a vane 184 of the lid portion 180 blocks the pusher 92 as indicated by the arrow B. Accordingly, the pusher 92 can not be pressed against thesfedernde tab 8, so that no unwanted triggering of the terminal 1 takes place.
  • the lid part 180 For a release of the self-resilient tab 8 by actuation by the pusher 92, the lid part 180 must first be folded up again, for. B. in the in FIG. 18 shown position.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)
EP13163739.9A 2012-06-12 2013-04-15 Elément de raccordement pour conducteurs électriques Not-in-force EP2675017B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012105056A DE102012105056A1 (de) 2012-06-12 2012-06-12 Anschlusselement für elektrische Leiter

Publications (2)

Publication Number Publication Date
EP2675017A1 true EP2675017A1 (fr) 2013-12-18
EP2675017B1 EP2675017B1 (fr) 2016-03-23

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ID=48128138

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EP13163739.9A Not-in-force EP2675017B1 (fr) 2012-06-12 2013-04-15 Elément de raccordement pour conducteurs électriques

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EP (1) EP2675017B1 (fr)
CN (1) CN103490179B (fr)
DE (1) DE102012105056A1 (fr)

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CN107482384A (zh) * 2017-09-11 2017-12-15 长沙勤凯智能科技有限公司 一种刚性接触网自动断开接头装置
GB2561219A (en) * 2017-04-06 2018-10-10 Secure Int Holdings Pte Ltd Electrical Terminal
WO2019167599A1 (fr) * 2018-03-02 2019-09-06 株式会社オートネットワーク技術研究所 Borne femelle
JP2019153565A (ja) * 2018-03-02 2019-09-12 株式会社オートネットワーク技術研究所 雌端子
EP3550667A1 (fr) * 2018-04-03 2019-10-09 Phoenix Contact GmbH & Co. KG Dispositif de raccordement destiné au raccordement d'une conduite d'un câble à un rail porteur permettant leur raccordement électrique
CN113164177A (zh) * 2018-11-28 2021-07-23 蛇牌股份公司 固定夹具和定向设备

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CN104283015A (zh) * 2014-09-28 2015-01-14 苏州市世纪晶源光电科技有限公司 弹簧式端子排
DE102018203554A1 (de) 2017-03-16 2018-09-20 Icotek Project Gmbh & Co. Kg Schirmklemme
CN112713415A (zh) * 2020-12-14 2021-04-27 安徽鑫龙低压电器有限公司 一种连接器
CN113612039B (zh) * 2021-07-21 2023-06-30 恩尼特克电子科技(深圳)有限公司 螺旋弹簧式锁线端子台
DE202022103877U1 (de) 2022-07-11 2023-10-18 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Adapterklemme zum Anklemmen eines elektrischen Leiters an eine Sammelschiene und damit gebildete Anordnung

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DE29715884U1 (de) * 1997-09-04 1997-10-23 Weidmüller Interface GmbH & Co, 32760 Detmold Anschlußelement für Schirmkabel
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GB2561219A (en) * 2017-04-06 2018-10-10 Secure Int Holdings Pte Ltd Electrical Terminal
GB2561219B (en) * 2017-04-06 2022-05-11 Secure Int Holdings Pte Ltd Electrical Terminal
CN107482384A (zh) * 2017-09-11 2017-12-15 长沙勤凯智能科技有限公司 一种刚性接触网自动断开接头装置
CN107482384B (zh) * 2017-09-11 2024-02-20 长沙勤凯智能科技有限公司 一种刚性接触网自动断开接头装置
WO2019167599A1 (fr) * 2018-03-02 2019-09-06 株式会社オートネットワーク技術研究所 Borne femelle
JP2019153565A (ja) * 2018-03-02 2019-09-12 株式会社オートネットワーク技術研究所 雌端子
CN111771306A (zh) * 2018-03-02 2020-10-13 株式会社自动网络技术研究所 阴端子
CN111771306B (zh) * 2018-03-02 2021-08-27 株式会社自动网络技术研究所 阴端子
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EP3550667A1 (fr) * 2018-04-03 2019-10-09 Phoenix Contact GmbH & Co. KG Dispositif de raccordement destiné au raccordement d'une conduite d'un câble à un rail porteur permettant leur raccordement électrique
CN113164177A (zh) * 2018-11-28 2021-07-23 蛇牌股份公司 固定夹具和定向设备

Also Published As

Publication number Publication date
EP2675017B1 (fr) 2016-03-23
CN103490179A (zh) 2014-01-01
DE102012105056A1 (de) 2013-12-12
CN103490179B (zh) 2016-12-28

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