WO2022053360A2 - Borne et outil permettant de raccorder un conducteur électrique à la borne et procédé de raccordement d'un conducteur électrique à la borne - Google Patents

Borne et outil permettant de raccorder un conducteur électrique à la borne et procédé de raccordement d'un conducteur électrique à la borne Download PDF

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Publication number
WO2022053360A2
WO2022053360A2 PCT/EP2021/074077 EP2021074077W WO2022053360A2 WO 2022053360 A2 WO2022053360 A2 WO 2022053360A2 EP 2021074077 W EP2021074077 W EP 2021074077W WO 2022053360 A2 WO2022053360 A2 WO 2022053360A2
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
electrical conductor
clamping jaw
clamp
tool
Prior art date
Application number
PCT/EP2021/074077
Other languages
German (de)
English (en)
Other versions
WO2022053360A3 (fr
Inventor
Andreas Wendt
Ralf Beckmann
Original Assignee
Phoenix Contact Gmbh & 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 & Co. Kg filed Critical Phoenix Contact Gmbh & Co. Kg
Priority to DE112021004709.4T priority Critical patent/DE112021004709A5/de
Priority to CN202190000721.6U priority patent/CN220570042U/zh
Publication of WO2022053360A2 publication Critical patent/WO2022053360A2/fr
Publication of WO2022053360A3 publication Critical patent/WO2022053360A3/fr

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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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/53—Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
    • 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

Definitions

  • the invention relates to a terminal for connecting an electrical conductor and a tool for connecting an electrical conductor to a terminal.
  • the invention also relates to a method for producing a connection of an electrical conductor to a clamp and an arrangement of clamp and tool.
  • Insulation displacement connection is known from the prior art. An electrical contact is often formed by inserting or pressing electrical conductors into a fork-like resilient insulation displacement connector. The insulation of the electrical conductor is severed and the metallic, electrically conductive inner conductor is clamped in for contact with the insulation displacement connector.
  • Insulation displacement terminals are available in different designs, for example with single or double clamping.
  • the insulation displacement connector must always be adapted and selected to the intended conductor type and its insulating material.
  • stranded conductors, solid conductors and enameled wire conductors with a cross section of approx. 0.01mm 2 (enamelled wire) to approx. 6mm 2 can be contacted with this.
  • Corresponding tools for producing a connection of electrical conductors to terminals are also known from the prior art.
  • a further problem is that, especially in the case of electrical conductors with a larger cross section, correspondingly higher forces have to be applied to connect the electrical conductor to the terminal. In this case, occurring mechanical loads can, for example, be undesirably transferred to circuit boards, printed circuit boards, etc. to which the terminal is attached and/or even damage them.
  • the document DE 10 2015 121 743 A1 describes a tool for connecting an electrical conductor that is encased in insulation to an insulation displacement connector. Inside the tool is a punch element for guidance and a cutting area for cutting the insulation of the electrical conductor before the electrical conductor is inserted into the clamping slot of the insulation displacement terminal.
  • the tool is equipped with pivotable holding means for holding engagement with the insulation displacement terminal when the tool is in a set-down position.
  • a gun-like tool for connecting an insulated electrical conductor to an electrical connector in the form of a clamp is known.
  • the tool has a sliding piston with a mandrel for inserting the electrical conductor into the clamp, which, by means of corresponding outer edges and surfaces, actuates elastically resilient gripping elements for holding and releasing the clamp.
  • the document DE 10 2016 114 344 B3 discloses a lever tool for connecting an insulation-coated electrical conductor to an insulation displacement connector, the lever tool having a stamping element with pressure sections for the electrical conductor and a guide element on the one hand and a counter-bearing element for holding the insulation displacement connector on the other.
  • the guide element engages in a form-fitting manner in a guide recess of the insulation displacement connector.
  • the document DE 100 48 298 A1 discloses a conductor connection element for connecting an electrical conductor to an insulation displacement connector.
  • the conductor connection element has a connection body with two U-shaped conductor receiving chambers and an integral part with a thread for actuating a screwable clamping screw in order to press the electrical conductor into the insulation displacement terminal, which is arranged on the side of the conductor receiving chambers by means of a pin.
  • the invention relates to a terminal for connecting an electrical conductor with a sheath, the terminal comprising a first clamping jaw and a second clamping jaw which are arranged opposite one another and/or spaced apart from one another, the first clamping jaw having a first clamping element and the second clamping jaw has a second clamping element, which are assigned to one another to form a clamping slot and are spaced apart from one another at least in sections, the first clamping element contacting the second clamping element at least in sections in order to form an operative connection between the first clamping element and the second clamping element.
  • the connection can preferably include the formation of an electrically conductive connection between the terminal and the electrical conductor.
  • the electrical conductor can preferably be an insulated electrical conductor or an electrical conductor sheathed with at least one insulating material.
  • the first clamping jaw and/or the second clamping jaw can preferably be designed as a metallic spring, for example as a leaf spring.
  • the clamp can be designed as a double spring clamp.
  • the first clamping jaw and the second clamping jaw can preferably be spaced apart from one another by a common web.
  • the clamping slot can preferably be designed to accommodate an electrical conductor.
  • the first clamping element can preferably contact the second clamping element at least in sections in the region of the clamping slot.
  • the first clamping element contacts the second clamping element at least in sections in such a way that the operative connection has a pivot bearing or pivot bearing function between the first clamping element and the second clamping element and/or a locking or locking function for the connected electrical conductor, preferably after receiving or connecting the electrical conductor in the terminal, i.e. in the clamping slot, and/or a stop or a stop function for the connected electrical conductor or the electrical conductor to be connected, preferably during the recording of the electrical conductor in the terminal, i.e. in the clamping slot, includes.
  • the first clamping element has a projection which at least partially contacts a stop, preferably a fold, of the second clamping element.
  • the clamp can be manufactured relatively easily and inexpensively, for example, preferably by means of at least one stamping process and/or at least one bending process.
  • the first clamping element is arranged prestressed relative to one another by the first clamping jaw and the second clamping element by the second clamping jaw, at least in the connected state of the electrical conductor, preferably forming a press connection at least in sections.
  • the first clamping jaw and/or the second clamping jaw in a view, preferably in a sectional view in the direction of the connected electrical conductor or the electrical conductor to be connected, is at least partially arcuate, U-shaped, V-shaped or is fork-shaped.
  • the first clamping element and the second clamping element for connecting the electrical conductor form at least one first connection section and preferably at least one second connection section, with the at least one first connection section and/or the at least one second connection section in a view, preferably in a side view in the direction of the connected electrical conductor or the electrical conductor to be connected, have a substantially round or ring-shaped contour and/or a substantially oval or curved contour and/or have cross-sections of different sizes.
  • the first clamping element can be configured essentially identically and/or essentially symmetrically to the second clamping element, at least in sections.
  • the at least one first connection section and/or the at least one second connection section can preferably be configured and/or designed in such a way that different electrical conductors with cross sections of different sizes can be connected to the terminal.
  • Electrical conductors with larger cross sections for example up to approximately 35 mm 2 , can preferably be accommodated in the terminal and connected to the terminal.
  • larger electrical currents can be transmitted.
  • the clamping slot it is possible for the clamping slot to form a substantially V-shaped contour, at least in sections, in a view, preferably in a side view, in the direction of the connected electrical conductor or the one to be connected, which preferably merges into the contour of a first connecting section.
  • the electrical conductor can be guided along a path defined by the terminal into the terminal, that is to say into the terminal slot, without the need for separate guide elements on a tool, for example.
  • first clamping jaw and the second clamping jaw are connected to one another via a common web and preferably the first clamping jaw, the second clamping jaw and the web in a view, preferably in a sectional view in the direction of the connected or of the electrical conductor to be connected, are essentially U-shaped.
  • first clamping jaw and/or the second clamping jaw prefferably have, at least in sections, two plate-shaped wall sections which are arranged spaced apart from one another and are preferably arranged at an angle to one another, which are preferably connected to one another via at least one wall section which is curved at least in sections.
  • the first clamping jaw and/or the second clamping jaw each have a first spring-elastic clamping jaw section and a second spring-elastic clamping jaw section, which is arranged at a distance from the first spring-elastic clamping jaw section, with the first clamping jaw preferably having the second clamping jaw are connected to one another via the respective first spring-elastic clamping jaw section and a common web.
  • the above-described, at least partially arcuate wall section which connects the two spaced apart, preferably inclined, plate-shaped wall sections, is designed as a second spring-elastic clamping jaw section.
  • the first spring-elastic clamping jaw section and the second spring-elastic clamping jaw section can preferably have greater extensibility and/or higher elasticity than the remaining sections or areas of the first and/or second clamping jaw.
  • the first spring-elastic clamping jaw section and the second spring-elastic clamping jaw section can thus be designed as spring elements, ie as elements with a spring-loaded function.
  • a clamp with two spring sections can be provided on each clamping jaw, which preferably enables a greater spring deflection.
  • an almost constant clamping force can also be provided over the clamping area, preferably at least over the area of the connection sections.
  • electrical conductors of different cross sections can be accommodated or clamped in an optimized manner.
  • first spring-elastic clamping jaw section and/or the second spring-elastic clamping jaw section prefferably be designed in a view, preferably in a side view in the direction of the connected electrical conductor or the electrical conductor to be connected, at least in sections curved or preferably at least in sections in the form of a hairpin curve.
  • the associated clamping elements can be subjected to appropriate prestressing, preferably in an adjustable manner.
  • first clamping element and/or the second clamping element is at least partially plate-shaped and/or flat.
  • a mutually directed arrangement of clamping surfaces in the form of end faces of the first clamping element and the second clamping element, preferably for forming at least one connection section, enables a clamping force or pressing force of a corresponding magnitude with such a configuration, for example, in relation to the electrical conductor.
  • first clamping element is connected to a wall section, preferably on an end face of the wall section, of the first clamping jaw, forming a recess or a gap
  • second clamping element is connected to a wall section, forming a recess or a gap, preferably on an end face of the wall section, the second clamping jaw is connected, wherein preferably the recess or the gap is configured for a tool guide section that can be accommodated or accommodated at least in sections for the guidance of the electrical conductor in the clamp and/or the storage of the tool on the clamp and/or or trained.
  • the tool guide section can preferably be plate-shaped and/or flat, at least in sections.
  • the tool guide section can preferably be accommodated or mounted in the clamp in a form-fitting manner, at least in sections.
  • the first clamping jaw comprises a further first clamping element and the second clamping jaw comprises a further second clamping element, which are assigned to one another and at least partially spaced apart from one another in order to form a further clamping slot, with the further first clamping element further second clamping element contacted at least in sections in order to form an operative connection, preferably as disclosed herein in relation to the first clamping element and the second clamping element, between the further first clamping element and the further second clamping element.
  • the electrical conductor can be connected to the terminal at two spaced-apart connection sections, which results, for example, in optimized electrical contacting.
  • the additional first clamping element can additionally be configured essentially identically and/or essentially symmetrically to the additional second clamping element, at least in sections.
  • the first clamping jaw and/or the second clamping jaw preferably on an end face of the first clamping jaw and/or on an end face of the second clamping jaw, has at least one holding element, preferably at least one projection, to form a Having operative connection with a tool applied to the terminal.
  • the at least one holding element can be configured and/or designed in the form of a projection, for example, so that a gripping element or locking element of the tool can be attached to the projection in order to preferably form a positive and/or non-positive connection between the clamp and the tool.
  • the clamp prefferably be formed from a metallic material, preferably in one piece, preferably by at least one bending process and/or stamping process.
  • a second general aspect of the invention relates to a tool, preferably an application tool, for producing a connection of an electrical conductor with a sheath to a terminal with at least one clamping slot and at least one holding element, preferably to a terminal as disclosed herein, the tool comprising a guide frame which , opposite the at least one clamping slot, is adapted at least in sections for contacting or connecting the clamp, preferably a first clamping jaw and a second clamping jaw of the clamp, configured and/or designed, and a carriage unit, which is mounted on the guide frame for guiding the electrical conductor into the Clamp, preferably within the clamp, is movably mounted, the guide frame having at least one locking element which is pivotally mounted, and the carriage unit for actuating the at least one locking element on and/or with the at least e a locking element is slidably coupled in order to bring the at least one locking element into engagement with the at least one holding element of the terminal, at least in sections during the guidance of the electrical conductor into the terminal, preferably within the
  • the tool can preferably be configured and/or designed for applying and/or connecting an electrical conductor to a clamp.
  • the electrical conductor can be designed as a sheathed conductor in the form of an electrical conductor with a sheath.
  • the carriage unit can preferably be mounted in a translationally displaceable manner.
  • a tool for example, which minimizes or avoids mechanical loads on carrier materials or carrier structures of a terminal when connecting an electrical conductor to the terminal.
  • Mechanical loads for example in the form of forces, preferably occur predominantly only within the tool, the electrical conductor and the clamp.
  • the guide frame has at least one cutting element in order to cut the sheathing of the electrical conductor at least in sections and preferably before the electrical conductor is guided into the terminal or within the terminal, preferably by the carriage unit, wherein preferably the at least one cutting element is mounted detachably and/or pivotably.
  • the guide frame can have four cutting elements.
  • at least one pre-cutting of the electrical conductor can take place, for example, by the at least one cutting element.
  • the at least one cutting element can be replaced by a detachable mounting, for example, and/or replaced by at least one cutting element of a different configuration and/or design.
  • the cutting depth and/or the cutting angle on the electrical conductor can be varied.
  • the tool can be adapted to different electrical conductors.
  • the at least one cutting element prefferably configured and designed, preferably configured and/or designed in a wedge-shaped or pyramid-shaped manner at least in sections, to push the sheathing of the electrical conductor apart at the cut point or in the cut region, preferably to press it apart.
  • the cut point or the cut area can preferably form the electrical contact point or the electrical contact area for forming the connection of the electrical conductor to the terminal, ie to one of the connection sections of the terminal.
  • the electrical conductor that has been stripped in places or in certain areas can be prepared for guiding or insertion into the clamping slot of the clamp.
  • the insulation of the electrical conductor can preferably be pushed or pushed apart at least as far as the at least one clamping slot of the clamp is wide.
  • the at least one cutting element is subjected to a pretension, preferably by a spiral spring, and/or is arranged on at least one cutting mechanism, which is detachably and/or adjustably attached to the guide frame and preferably at least comprises a further cutting element.
  • the at least one cutting unit can preferably be designed as a support structure or mounting structure for the at least one cutting element.
  • the guide frame has at least one assembly unit which is detachably attached to the guide frame or is integrally connected to the guide frame in one piece, with the at least one locking element being pivotably mounted on the at least one assembly unit.
  • the at least one cutting element is pivotably mounted on the at least one assembly subassembly, preferably releasably and pivotally mounted, or the at least one cutting mechanism is releasably and/or adjustably attached to the at least one assembly subassembly.
  • the at least one assembly unit and/or the at least one cutting unit can be designed in the form of a plate, at least in sections.
  • the at least one assembly subassembly can be optimally configured as a support structure, for example, and/or contribute to a compact design of the tool.
  • first clamping element and/or the second clamping element can be designed at least in sections as a cutting element and preferably each have a cutting edge at least in sections in order to be able to cut the electrical conductor further with the first clamping element and/or the second clamping element.
  • the carriage unit is slidably mounted on and/or with the at least one locking element via a link guide or is coupled to it, with preferably a link track on the at least one locking element and a sliding block on the carriage unit is arranged or formed.
  • the pivot axis of the at least one cutting element and the pivot axis of the at least one locking element are essentially perpendicular to one another or are arranged perpendicular to one another in a view, preferably in a plan view.
  • a third general aspect of the invention relates to a method for producing a connection of a sheathed electrical conductor to a terminal with at least one clamping slot and at least one retaining element, preferably to a terminal as disclosed herein.
  • the method can preferably be carried out with a tool as disclosed herein.
  • the tool can be operated manually, for example, or it can also be arranged on a robot arm for the automated production of the connection.
  • the procedure includes:
  • Attaching at least one pivotally mounted locking element of the tool to the clamp can also include, for example: Forming a power flow, preferably a closed power flow, between the clamp, the electrical conductor and the tool, preferably the at least one pivoted locking element.
  • the guiding, preferably pushing or pressing, of the electrical conductor into the region of a connection section of the at least one clamping slot can also preferably include, at least in sections and/or at least temporarily, a widening or folding open of the clamp.
  • the method further comprises: guiding the electrical conductor to at least one cutting element of the tool by means of the carriage unit;
  • At least one section of the sheathing of the electrical conductor is cut at a point to be connected to the terminal using the at least one cutting element
  • the cutting can preferably include cutting through the insulation at the point to be contacted or in the area to be contacted up to at least one wire.
  • the insulation of the electrical conductor can preferably be cut at a point in time at which the at least one pivotally mounted locking element holds the terminal, preferably on the at least one holding element of the terminal.
  • the method further comprises: pushing apart or pressing apart the sheathing of the electrical conductor at the point cut at least in sections or at the area cut at least in sections by means of the at least one cutting element.
  • a fourth general aspect of the invention relates to an arrangement comprising a clamp as disclosed herein and a tool as disclosed herein.
  • 1A is a front view of an embodiment of the clamp
  • FIG. 1B is a side view of the clamp embodiment shown in FIG. 1A;
  • FIGS. 1A and 1B are perspective views of the clamp embodiment shown in FIGS. 1A and 1B;
  • FIG. ID shows a front view of the embodiment of the clamp shown in FIGS. 1A to 1C with a connected electrical conductor
  • Figure 2A is a perspective view of an embodiment of the tool
  • FIG. 2B shows a further perspective view of the exemplary embodiment of the tool illustrated in FIG. 2A;
  • FIG. 2C is a front view of the embodiment of the tool shown in FIGS. 2A and 2B;
  • FIG. 2D is a plan view of the tool embodiment shown in FIGS. 2A through 2C;
  • Figure 3A is a sectional view (section A-A of Figure 2D) of the embodiment of the tool shown in Figures 2A to 2D and a front view of the embodiment of the clamp shown in Figures 1A to ID;
  • Figure 3B is a sectional view (section B-B of Figure 2D) of the embodiment of the tool illustrated in Figures 2A to 2D and the embodiment of the clamp illustrated in Figures 1A to ID;
  • FIG. 4A shows a perspective view of the carriage unit with a locking element of the exemplary embodiment of the tool illustrated in FIGS. 2A to 3B;
  • FIG. 4B shows an enlarged portion of the carriage assembly shown in FIG. 4A
  • FIG. 5A shows a perspective view of the cutting mechanism with a cutting element of the exemplary embodiment of the tool illustrated in FIGS. 2A to 3B;
  • FIG. 5B is a perspective view of the cutting element shown in FIG. 5A.
  • FIG. 1A shows a front view of an exemplary embodiment of the terminal 1 for connecting an electrical conductor 2 with a sheathing 20, ie for connecting a sheathed electrical conductor 2 (see FIG. ID in this regard).
  • the clamp 1 comprises a web 5 which is plate-shaped. Components and elements of the clamp 1 are arranged or formed on the web 5, which are described in more detail below.
  • Fastening plugs 23 in the form of soldering pins or soldering pins are arranged on the web 5 on the one hand.
  • the fastening plugs 23 are used to attach or fasten the terminal 1 to a printed circuit board, circuit board, printed circuit board, etc. (not shown in FIG. 1B, but see FIG. 2A, for example).
  • the web 5 comprises a first clamping jaw 3 and a second clamping jaw 4, each with corresponding wall sections, which are explained in more detail below.
  • the first clamping jaw 3 has a first spring-elastic clamping jaw section 24 and is arranged at a distance from the second clamping jaw 4 , which also has a first spring-elastic clamping jaw section 25 , via the web 5 .
  • the first clamping jaw 3 is arranged opposite the second clamping jaw 4 . This design is also apparent from the perspective view of the terminal 1 in Figure 1C.
  • the first spring-elastic clamping jaw section 24 of the first clamping jaw 3 is, in the view shown, ie in the direction of the connected or to be connected electrical conductor 2, at least partially arcuate and therefore optimized in terms of production technology.
  • the first resilient clamping jaw section 24 of the first clamping jaw 3 extends in the direction of the connected or to be connected electrical conductor 2 in the form of a channel and is connected to the web 5, preferably integrally connected (see also the perspective view of the clamp 1 in Figure 1C).
  • Both the first spring-elastic clamping jaw section 24 of the first clamping jaw 3 and the first spring-elastic clamping jaw section 25 of the second clamping jaw 4 represent areas which preferably have increased elasticity compared to other areas of the clamp 1. in order to be able to provide an optimized spring effect.
  • the increased elasticity in these sections can be achieved, for example, by means of a corresponding geometric design (for example, smaller wall thickness, curved contour, etc.) and/or by corresponding material properties (for example, high elasticity limits/yield points).
  • both the first clamping jaw 3 and the second clamping jaw 4 also each have a more or less U-shaped or preferably hairpin-curved wall section as the second spring-elastic clamping jaw section 26, 27, which opens in the direction of the web 5 is aligned.
  • the second resilient clamping jaw sections 26, 27 also form spring elements of the clamping jaws 3, 4, preferably for transferring and/or applying a force to the clamping elements 7, 8 for the part to be clamped, i.e. to be connected electrical conductor 2.
  • the first clamping jaw 3 and the second clamping jaw 4 are characterized by wall sections that are at least partially opposite and/or spaced apart from one another. Together with the first spring-elastic clamping jaw sections 24, 25, the result is an optimized resilient property and effect of the two clamping jaws 3 and 4.
  • the first clamping jaw 3 and the second clamping jaw 4 are essentially mirror-symmetrical to one another.
  • the first clamping jaw 3 and the second clamping jaw 4 are preferably designed as resilient elements in the form of metal springs, at least in sections, and therefore have a certain elasticity, preferably a geometric flexibility and/or flexibility due to the material.
  • a plate-shaped first clamping element 7 is arranged on the inner wall section of the first clamping jaw 3 or lying inside the clamp 1 .
  • a plate-shaped second clamping element 8 is arranged on the inner wall section of the second clamping jaw 4 or lying inside the clamp 1 .
  • the first clamping element 7 and the second clamping element 8 are designed and arranged essentially mirror-symmetrically to one another, at least in sections.
  • the first clamping element 7 and the second clamping element 8 are arranged at least in sections at a distance from one another via the first clamping jaw 3 and the second clamping jaw 4 and thus form a clamping slot 6 .
  • the clamping slot 6 is used for receiving or connecting the electrical conductor 2.
  • the clamp i.e. the first clamping element 7 and/or the second clamping element 8 to have a cutting edge at least in sections in the region of the essentially V-shaped contour for further cutting at least in sections of the electrical conductor 2.
  • first clamping element 7 and the second clamping element 8 are configured and designed and arranged in relation to one another in such a way that they form connection sections 11, 12, 13 for connecting the electrical conductor 2 to the terminal 1, with the electrical conductor 2 preferably being in one of the connection sections 11 , 12, 13 remains.
  • connection section 11 and the second connection section 12 have a substantially round or circular contour.
  • a third connection section 13 is characterized in the view shown in FIG. 1 by an essentially oval contour.
  • the terminal 1 can accommodate electrical conductors 2 of different sizes, ie different diameters. Electrical conductors 2 can preferably be connected to the terminal 1 up to a cross section of, for example, 35 mm 2 . Such an electrical conductor 2 is preferably accommodated in the third connection section 13 .
  • the terminal slot 6 of the terminal 1 is for receiving or connecting an electrical conductor
  • the electrical conductor 2 can only be guided into the terminal 1 via the V-shaped section of the clamping slot 6 .
  • the first clamping element 7 contacts the second clamping element 8 at least in sections in order to establish an operative connection between the first clamping element 7 and the second clamping element 8, preferably through the configuration and formation of the first jaw 3 and the second jaw 4.
  • the first clamping element 7 has a projection 9, ie a section projecting away from the clamping element 7, and the second clamping element 8 has a stop 10, preferably in the form of a fold.
  • the first clamping element 7 and the second clamping element 8 are arranged and acted upon in relation to one another with a preload.
  • the first clamping element 7 and the second clamping element 8 form, at least in sections, an interference fit at that point or in that area at which the projection 9 contacts the stop 10 .
  • the operative connection formed at the contact point or at the contact area between the projection 9 and the stop 10 comprises several functions.
  • the operative connection comprises a pivot bearing or a pivot bearing function between the first clamping element 7 and the second clamping element 8.
  • the clamping slot 6 widens to a greater or lesser extent.
  • the first clamping element 7 and the second clamping element 8 pivot more or less around the position of the projection 9 and the stop 10, ie away from each other (see also the illustration with the connected electrical conductor 2 in FIG. ID).
  • connection through the contacting of projection 9 with stop 10 in relation to a connected electrical conductor 2, which is located in one of the connection sections 11, 12 or 13, includes a locking or locking function and prevents, together with the described design of the respective Connection section 11, 12, 13 unintentionally falling out or being pulled out of the electrical conductor 2 from the terminal 1.
  • connection also includes a stop or a stop function for the electrical conductor 2 that is connected or is yet to be connected.
  • the contacting of projection 9 with stop 10 also creates a form-fitting barrier for electrical conductor 2, which, for example, prevents the electrical conductor from accidentally falling out 2 from the clamping slot 6 prevented.
  • the clamp 1 in FIG. 1A comprises holding elements 18 in the form of projections, each of which has a contact surface 19 .
  • the holding elements 18 with the contact surfaces 19 are used for receiving or holding by a tool 100 for connecting the electrical conductor 2 to the terminal 1 and are described in more detail with reference to further figures.
  • Figure 1B shows a side view of the embodiment of the clamp 1 shown in Figure 1A.
  • first clamping element 7 and the second clamping element 8 are connected to the first clamping jaw 3 and the second clamping jaw 4, forming a recess 14 between the first clamping element 7 and the first clamping jaw 3 and between the second clamping element 8 and the second clamping jaw 4.
  • first clamping jaw 3 comprises a further first clamping element 16, which is also arranged at a distance from the first clamping jaw 3, forming the recess 15.
  • the recesses 14 and 15 serve to accommodate sections of a tool 100 (see above all the further Figures 2A to 3B) for producing a connection of an electrical conductor 2 to the terminal 1 (see Figure 2D).
  • two retaining elements 18 are cuboid in the form of projections and are arranged spaced apart opposite one another on the first clamping jaw 3 and are preferably integrally connected in one piece to the first clamping jaw 3 .
  • Figure 1C shows a perspective view of the embodiment of the clamp 1 shown in Figures 1A and 1B.
  • the other second clamping element 17 on the second clamping jaw 4 can also be seen from this illustration.
  • the further first clamping element 16 and the further second clamping element 17 are also designed and arranged essentially mirror-symmetrically to one another and/or configured and designed in accordance with the first clamping element 16 and the second clamping element 17.
  • the further first clamping element 16 and the further second clamping element 17 form connection sections 11, 12, 13 analogously to the first clamping element 7 and the second clamping element 8 (not visible in the figures).
  • Figure 1C clearly shows the wall sections of the first and second spring-elastic clamping jaw sections 24, 25, 26, 27 of the first clamping jaw 3 and the second clamping jaw 4, which are curved and hairpin-curved in sections, as well as the projecting holding elements 18 arranged on them.
  • Figure ID shows a front view of the embodiment of the terminal 1 shown in Figures 1A to 1C with a connected electrical conductor 2.
  • the electrical conductor 2 is designed as a sheathed conductor and comprises a sheath 20 (sheath insulation), a filling insulation 21 and a stranded wire 22 accommodated therein.
  • the stranded wire 22 comprises a plurality of individual wires and is preferably made of an electrically conductive material, for example copper or a copper alloy, and is formed is used to connect the electrical conductor 2 to the terminal 1 to establish an electrically conductive connection.
  • the electrical conductor 2 has a corresponding or comparatively large cross section and is therefore accommodated in the essentially oval connection section 13 between the respective clamping elements 7 and 8 and 16 and 17 in the region of the clamping slot 6 .
  • clamping jaws 3 and 4 of the clamp 1 which are “pivoted open” via the clamping elements 7 and 8 as well as 16 and 17 or “pivoted apart” around the projection 9 and the stop 10.
  • to connect the electrical conductor 2 to the Clamp 1 "pivots” the first and second clamping jaws 3 and 4 due to the operative connection through the existing forced contact of the projection 9 with the stop 10.
  • the engagement of the projection 9 in the stop 10, that is to say the fold 10 also results in locking with respect to the electrical conductor 2, which can no longer be easily pulled out of the terminal 1.
  • Figure 2A now shows a perspective view of an embodiment of the tool 100 for producing a connection of an electrical conductor 2 with sheathing 20 to a terminal 1.
  • the tool 100 is attached or placed on the clamp 1, preferably at least in sections on the first clamping jaw 3 and the second clamping jaw 4 of the clamp 1.
  • the tool 100 can be configured and designed, for example, as a hand-operated tool 100 or as a tool 100 operated by a robot.
  • the tool 100 includes a guide frame 101.
  • the guide frame 101 has a U-shaped configuration with a web area and opposing leg areas.
  • a carriage unit 102 which is mounted on the guide frame 101 so that it can move, preferably move in a translational manner, in order to guide the electrical conductor 2 into the terminal 1 .
  • the carriage unit 102 is actuated by a plunger element 115 which is cylindrical.
  • the stamping element 115 is operatively connected to the carriage unit 102 via a through hole in the web area of the guide frame 101 or is preferably an integral one-piece component of the carriage unit 102.
  • the direction of movement of the stamping element 115 and thus of the carriage unit 102 is marked with "Y".
  • the assembly units 109 can be detachably fastened to the guide frame 101 or, as in the present case, can also be integrally connected in one piece to the guide frame 101 (see also the sectional view in FIG. 3B).
  • the detachable attachment can be done, for example, by means of several screw connections.
  • the mounting assemblies 109 are designed in the form of plates, at least in sections.
  • a cutting unit 116 is located on each assembly unit 109.
  • the cutting unit 116 is releasably attached to the assembly unit 109 via a plurality of screw connections 110 and can therefore be positioned and/or aligned relative to the guide frame 101 be positioned and / or adjusted accordingly, which is described in more detail below.
  • a cutting unit 116 comprises two cutting elements 107 each, which are provided for cutting the electrical conductor 2 at least in sections before the electrical conductor 2 is connected to the terminal 1 .
  • the position of the cutting elements 107 on the cutting mechanism 116 is matched to the position of the connection sections 11, 12, 13 of the clamp 1 accordingly.
  • the cutting units 116 are designed in the form of plates, at least in sections.
  • two locking elements 103 in the form of gripper arms each with a hook section 106, preferably in the form of a retaining claw, are pivotably mounted on each assembly assembly 109.
  • the pivotable mounting preferably takes place in each case by means of a bearing bolt 111.
  • the bearing bolts 111 are cylindrical and are connected to the mounting assembly 109, preferably integrally connected in one piece.
  • the carriage unit 102 is also on the locking elements
  • the sliding coupling is here as a sliding track
  • the carriage unit 102 has a sliding block 105 in the form of a cylindrical bolt for each locking element 103 .
  • the respective sliding block 105 of the carriage unit 102 is guided in the sliding track 104 of the respective locking element 103 .
  • the locking elements 103 gradually pivot in the direction of the tool 100 and the clamp 1 (see the directional arrows shown in FIG. 2A on the two locking elements 103 in the area of the first clamping jaw 3).
  • the holding elements 18 of the clamp preferably the contact surfaces 19 of the holding elements 18, are gripped, ie contacted, by the hook sections 106 of the locking elements 103.
  • the clamp 1 is now also connected to the tool 100 via the locking elements 103.
  • the terminal 1 is now held by the tool 100 by means of the gripping elements 103, preferably on the contact surfaces 19 of the holding elements 18, so that the connection of the electrical conductor 2 to the terminal 1 can be formed by the guide unit 102.
  • the electrical conductor 2 is cut at least in sections by the cutters 116 with their cutting elements 107, preferably before the electrical conductor 2 is guided into the area of the clamping slot 6 of the clamp 1, in order to then connect the electrical conductor 2 to the clamp 1 , as already described, to be connected.
  • the terminal 1 Due to the fact that the terminal 1 is held by the tool 100 , a force flow occurs only within the tool, the electrical conductor 2 and the terminal 1 during the formation of the connection of the electrical conductor 2 to the terminal 1 .
  • a force flow occurs only within the tool, the electrical conductor 2 and the terminal 1 during the formation of the connection of the electrical conductor 2 to the terminal 1 .
  • the introduction of harmful mechanical loads, preferably compressive forces, in a plate 200 to which the clamp 1 is attached is avoided.
  • Such mechanical stresses occur during assembly, that is to say during the connection process for forming the connection between the electrical conductor 2 and the terminal 1 .
  • the plate 200 can, for example, as a printed circuit board, circuit board or printed circuit board and is thus not unnecessarily stressed or damaged by the arrangement of the tool 100 with the terminal 1.
  • Figure 2B shows another perspective view of the embodiment of the tool 100 shown in Figure 2A.
  • the electrical conductor 2 is in the connection position with the terminal 1.
  • the electrical conductor 2 was moved by the carriage unit 102 from a starting position AP along the clamping slot 6 (see Figures 1A to 1B) to an end position EP , That is to one of the connection sections 11, 12, 13 (see Figures 1A to 1B) out or preferably pressed.
  • the carriage unit 102 was actuated by the plunger element 115, that is set in motion.
  • the stamping element 115 can, for example, be subjected to a force by hand or also be actuated, for example, by means of an actuating element of a robot arm (not shown in FIG. 2B).
  • Figure 2C shows a front view of the embodiment of the tool 100 shown in Figures 2A and 2B.
  • Figure 2D shows a top view of the embodiment of the tool 100 shown in Figures 2A to 2C with the sections A-A and B-B, which are shown in the further Figures 3A and 3B as sectional views.
  • FIG. 2D shows that the two assembly units 109 have an essentially plate-shaped configuration, at least in sections, and are arranged on two opposite outer sides of the leg regions of the guide frame 101.
  • the cutting elements 107 are wedge-shaped, at least in sections, in order to cut the electrical conductor 2 at least in sections.
  • two cutting elements 107 are arranged on the guide frame 111, that is to say on the cutting units 116, opposite one another and spaced apart and preferably pivotably mounted, which will be described in more detail below.
  • Figure 3A shows a sectional view (section A-A in Figure 2D) of the embodiment of the tool 100 shown in Figures 2A to 2D.
  • the cutting elements 107 which are pivotably mounted on cylindrical bolts 111, are clearly visible for cutting at least sections of the electrical conductor 2, preferably before the electrical conductor 2 is guided or inserted into the terminal 1 by the carriage unit 102.
  • the locking elements 103 which are pivotably mounted on the assembly subassemblies 109 via cylindrical bolts 111, can be seen just as well.
  • Figure 3B shows a sectional view (section B-B in Figure 2D) of that shown in Figures 2A to 2D
  • the tool 100 preferably the guide frame 101 of the tool 100, contacts the clamp 1 at least in sections on its first clamping jaw 3 and second clamping jaw 4 with one front end, i.e. one front surface of each of its leg regions.
  • first clamping jaw 3 and the second clamping jaw 4 as well as the web 5 of the clamp 1 have an essentially U-shaped design, with the first clamping jaw 3 and the second clamping jaw 4 representing leg areas which are connected to one another via the common web 5 are.
  • the cutting units 116 are each connected via screw connections 110 to the leg regions of the guide frame 101, here via the assembly units 109, that is to say detachably and/or preferably adjustably attached.
  • screw connections 110 using three grub screws and one conical head screw are preferably used for setting and thus for aligning and positioning the cutting units 116 with the cutting elements 107 .
  • the cutting units 116 with the cutting elements 107 pivotably mounted thereon can be attached to the guide frame 101 with a precise fit or in a defined manner.
  • FIG. 3B also shows that the cylindrical plunger element 115 is connected or formed integrally in one piece with the guide frame 101 .
  • the cylindrical plunger element 115 can be detachably fastened to the guide frame 101, for example by means of a screw connection.
  • Figure 4A shows a perspective view of the carriage assembly 102 of the tool 100 shown in Figures 2A through 3B.
  • conductor guide sections 112 of the carriage unit 102 for the electrical conductor 2 to be guided into the clamping slot 6 of a terminal 1 are also shown.
  • the conductor routing sections 112 are designed in the form of plates in sections and comprise guide contact surfaces 114 at their front ends.
  • the guide contact surfaces 114 are essentially curved, at least in sections. In other words, the guide contact surfaces 114 are modeled more or less according to the outer contour of an electrical conductor 2 .
  • the guide contact surfaces 114 ensure that the electrical conductor 2 to be connected is guided or introduced into the clamping slot 6 of the clamp 1 (see, for example, FIGS. 1A to ID).
  • the slide unit 102 includes tool guide sections 113.
  • the tool guide sections 113 are arranged at a distance from the conductor guide sections 112. Similar to the conductor guide sections 112, they are designed in the form of plates in sections and also have curved surfaces at their front ends for a possible contact for guiding the electrical conductor 2 into the clamping slot 6 of a clamp 1.
  • the tool guide sections 113 are used to form a form-fitting connection by engaging in recesses 14, 15 in the clamp 1 in order to mount the tool 100 on the clamp 1, preferably without play in the direction of the electrical conductor 2 to be connected.
  • Figure 4B shows an enlarged area Z of the carriage unit 102 with locking element 103 shown in Figure 4A.
  • the locking element 103 is pivotably mounted on the mounting assembly 109 via the bearing pin 111 . Furthermore, the beginning of the link path 104 at the locking element 103 can be clearly seen from FIG.
  • Two sliding blocks 105 are located in the upper region of a conductor routing section 112, ie opposite a guiding contact surface 114.
  • the sliding blocks 105 have a substantially cylindrical configuration in the form of bolts.
  • the sliding blocks 105 are guided in the sliding track 104 of the locking element 103 .
  • the link track 104 extends at least in sections along the locking element 103 in the direction of the hook section 106 of the locking element 103.
  • the sliding blocks 105 are arranged at a distance from the bearing pin 111 about which the locking element 103 is pivotably mounted. In other words, an offset between the bearing pin 111 of the locking element 103 and the sliding blocks 105 of the carriage unit 102 can be seen from FIG. 4B (see also FIG. 2B).
  • a movement of the carriage unit 102 along the link track 104 causes the locking element 103 to be actuated in the form of a pivoting process.
  • the hook section 106 of the locking element 103 moves with the increasing distance covered by the sliding blocks 105 in the link track 104 in the direction of the carriage unit 102/in the direction of the tool 100 and thus in the direction of the clamp 1 in order to grasp the clamp 1 on the corresponding holding elements 18 and to more or less hold or clasp them.
  • Figure 5A shows a perspective view of the cutting mechanism 116 with a cutting element 107 of the embodiment of the tool 100 shown in Figures 2A to 3B.
  • the cutting unit 116 is at least partially plate-shaped and has a more or less triangular contour.
  • the cutting unit 116 can be detachably attached to the assembly unit 109 via the screw connection 110 in the center of the cutting unit 116 (see also the sectional view in FIG. 3B).
  • the cutting unit 116 comprises three screw connections 110 arranged in a triangular shape. These enable the position and/or the angle and thus the alignment of the cutting unit 116 to the assembly unit 109 to be adjusted are supported on the mounting assembly 109 and by means of the screw connection 110 in the center of the cutting unit 116, the cutting unit 116 is releasably fastened relative to the mounting assembly 109, preferably pressing it against the mounting assembly l09.
  • the cutting depth and/or the cutting angle can thus be adjusted with the cutting unit 116 according to the requirements of the terminal 1 and/or the configuration and design of the electrical conductor 2 . It is possible to pre-cut different cross sections and insulation thicknesses of the electrical conductor 2 and thus different electrical conductors 2 .
  • the cutting unit 116 also includes two cylindrical bearing bolts 111 which extend away from the cutting unit 116 in opposite directions.
  • a cutting element 107 is pivotable and detachable, that is to say replaceable, mounted or fastened on a bearing pin 111 in each case.
  • differently configured or designed cutting elements 107 for different electrical conductors 2 can be arranged on the cutting mechanism 116 .
  • the tool 100 can be individually adapted or configured to the respective electrical conductor 2 .
  • a spiral spring 108 is arranged on each bearing pin 111, which applies a pretension to the cutting element 107.
  • Figure 5B shows a perspective view of the cutting element 107 shown in Figure 5A.
  • the cutting element 107 is wedge-shaped and therefore, in addition to a cutting edge, includes a section that widens from the cutting edge, in order to push apart at least sections of the sheathing 20 of the electrical conductor 2 that has been cut to expose the core, the individual wire or the stranded wire 22 of the electrical conductor 2 or to press and prepare for the process of connecting the electrical conductor 2 to the terminal 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

L'invention concerne une borne (1) pour le raccordement d'un conducteur électrique (2) ainsi qu'un outil (100) pour réaliser un raccordement entre un conducteur électrique (2) et une borne (1). L'invention concerne en outre un procédé pour réaliser un raccordement entre un conducteur électrique (2) et une borne (1) ainsi qu'un ensemble constitué de ladite borne (1) et dudit outil (100).
PCT/EP2021/074077 2020-09-09 2021-09-01 Borne et outil permettant de raccorder un conducteur électrique à la borne et procédé de raccordement d'un conducteur électrique à la borne WO2022053360A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112021004709.4T DE112021004709A5 (de) 2020-09-09 2021-09-01 Klemme und Werkzeug zum Anschluss eines elektrischen Leiters an die Klemme sowie Verfahren zum Anschließen eines elektrischen Leiters an die Klemme
CN202190000721.6U CN220570042U (zh) 2020-09-09 2021-09-01 一种用于连接带护套的电导体的端子、工具和组件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020123490.2A DE102020123490A1 (de) 2020-09-09 2020-09-09 Klemme und Werkzeug zum Anschluss eines elektrischen Leiters an die Klemme sowie Verfahren zum Anschließen eines elektrischen Leiters an die Klemme
DE102020123490.2 2020-09-09

Publications (2)

Publication Number Publication Date
WO2022053360A2 true WO2022053360A2 (fr) 2022-03-17
WO2022053360A3 WO2022053360A3 (fr) 2022-05-05

Family

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Application Number Title Priority Date Filing Date
PCT/EP2021/074077 WO2022053360A2 (fr) 2020-09-09 2021-09-01 Borne et outil permettant de raccorder un conducteur électrique à la borne et procédé de raccordement d'un conducteur électrique à la borne

Country Status (3)

Country Link
CN (1) CN220570042U (fr)
DE (2) DE102020123490A1 (fr)
WO (1) WO2022053360A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805214A (en) 1972-08-22 1974-04-16 Amp Inc Resilient electrical contact
DE10048298A1 (de) 2000-09-29 2003-05-28 Harting Kgaa Leiteranschlußelement
DE102015121743A1 (de) 2015-12-14 2017-06-14 Phoenix Contact Gmbh & Co. Kg Schneidklemmwerkzeug und Schneidklemme
DE102016114344B3 (de) 2016-08-03 2017-08-31 Phoenix Contact Gmbh & Co. Kg Schneidklemmwerkzeug und Schneidklemme

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249148B2 (fr) * 1972-12-20 1977-12-15
JP2001135370A (ja) * 1999-11-05 2001-05-18 Yazaki Corp 圧接コネクタ及び電線圧入装置
US6908331B2 (en) * 2002-09-27 2005-06-21 Donald C. Brown Insulation stripping connector for insulated wires

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805214A (en) 1972-08-22 1974-04-16 Amp Inc Resilient electrical contact
DE10048298A1 (de) 2000-09-29 2003-05-28 Harting Kgaa Leiteranschlußelement
DE102015121743A1 (de) 2015-12-14 2017-06-14 Phoenix Contact Gmbh & Co. Kg Schneidklemmwerkzeug und Schneidklemme
DE102016114344B3 (de) 2016-08-03 2017-08-31 Phoenix Contact Gmbh & Co. Kg Schneidklemmwerkzeug und Schneidklemme

Also Published As

Publication number Publication date
DE102020123490A1 (de) 2022-03-10
WO2022053360A3 (fr) 2022-05-05
DE112021004709A5 (de) 2023-07-06
CN220570042U (zh) 2024-03-08

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