EP3210260B1 - Ensemble pour connecter deux conducteurs électriques - Google Patents

Ensemble pour connecter deux conducteurs électriques Download PDF

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Publication number
EP3210260B1
EP3210260B1 EP15781953.3A EP15781953A EP3210260B1 EP 3210260 B1 EP3210260 B1 EP 3210260B1 EP 15781953 A EP15781953 A EP 15781953A EP 3210260 B1 EP3210260 B1 EP 3210260B1
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EP
European Patent Office
Prior art keywords
conductor
press
contacting
receptacle
arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15781953.3A
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German (de)
English (en)
Other versions
EP3210260A1 (fr
Inventor
Markus Eckel
Wilhelm Grzywok
Uwe Hauck
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.)
TE Connectivity Germany GmbH
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TE Connectivity Germany GmbH
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Publication date
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Publication of EP3210260A1 publication Critical patent/EP3210260A1/fr
Application granted granted Critical
Publication of EP3210260B1 publication Critical patent/EP3210260B1/fr
Active legal-status Critical Current
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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
    • H01R25/161—Details
    • H01R25/162—Electrical connections between or with rails or bus-bars
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve

Definitions

  • the invention relates to an arrangement for connecting a first electrical conductor to a second electrical conductor.
  • the invention relates to an arrangement for connecting two electrical conductors, of which at least one electrical conductor is a busbar or a cable lug.
  • Arrangements for connecting electrical conductors are known. Often two conductors are connected to one another by plugging them together. In the area of high voltages and / or currents, however, plug-in connections are often impractical, since massive conductors are often used with which plug-in connectors can only be implemented inadequately.
  • screw connections are used to connect at least one busbar or a cable lug to another conductor. For example, a cable lug with an opening for a screw can be screwed to a busbar or a second cable lug.
  • Similar connections are used when two busbars or two cable lugs are to be connected to one another.
  • This method of connection is complex and has some disadvantages.
  • the screw and / or nut can be lost when connecting or disconnecting the conductors.
  • Another known problem can be that a screw cannot be completely removed from both conductors. It can happen that when the screw has reached the end of a maximum path, it completely penetrates one of the two conductors and at the same time is still partially arranged in the other conductor. This makes it difficult or even impossible to separate the two conductors.
  • Another known disadvantage is that at least one of the two conductors is often only inadequately or not at all protected against contact and can therefore endanger the safety of a person handling at least one of the conductors.
  • the object is achieved by an arrangement for connecting a first electrical conductor to a second electrical conductor, with a pressing adapter, which has a receptacle for the first conductor and at least one externally actuatable pressing member, and with a housing-like contact protection with a receptacle for the Second conductor, the contact guard being insertable into a chamber of the pressure adapter along a pushing-in direction and having at least one contacting slot running parallel to the pushing-in direction, which releases an inside of the contact guard for contacting to the outside, the at least one pressure member having an actuating section that is electrically isolated from the rest of the pressure member for actuating the pressing member, and wherein the contact protection is closed at a front end pointing in the direction of insertion.
  • the solution according to the invention solves the problem particularly advantageously.
  • the protection against accidental contact can effectively prevent a person or another part from accidentally touching a second conductor accommodated in the protection against accidental contact.
  • the contacting slot can expose a received second conductor to the outside so that it can be connected to a first conductor.
  • the externally actuatable pressing member By means of the externally actuatable pressing member, the first and the second conductor can be pressed against one another in the pressing adapter, so that an electrical connection can be established between the two conductors.
  • a direct screw connection of the two conductors to one another can thus be dispensed with, which is why the two conductors can be repeatedly connected or detached from one another with ease.
  • the contacting slot can release the interior of the contact protection, in particular for receiving the first conductor. Contacting the two conductors can then take place in the area of the contacting slot.
  • the at least one contact-making slot can either run in the direction of its longitudinal extent parallel to the direction of insertion, or with a depth direction. The isolated actuation section and the touch guard closed at the front end increases the safety when actuating the at least one pressing member.
  • the pressing member can be designed for the separately actuatable frictional connection of a first conductor arranged in the pressing adapter and a second conductor accommodated in the contact protection. So two leaders can be held together in the pressure adapter by a frictional connection. At the same time, they are connected to one another in an electrically conductive manner via the frictional connection.
  • the pressing member can be operated independently of the insertion of the conductor into the pressing adapter. For example, the contact protection with the second conductor can first be pushed into the pressing adapter and then the pressing member can be actuated.
  • connection between the first and the second conductor can be obtained in that a normal force acting perpendicular to the direction of insertion can be generated between the first and the second conductor by the pressing member. This is particularly advantageous in the event that the direction of the longitudinal extension of the at least one contacting slot runs parallel to the direction of insertion.
  • the pressing member When the contact protection is inserted, the pressing member can be arranged above the at least one contacting slot. As a result, the pressing member can press the first conductor in the direction of the contacting slot.
  • the receptacle for the first conductor is preferably arranged between the at least one contacting slot and the pressing member. A direction of action of the pressing member can be directed towards the contacting slot. In this way, a normal force acting perpendicular to the direction of insertion can be generated between the first and the second conductor when the direction of the longitudinal extension of the at least one contacting slot runs parallel to the direction of insertion.
  • the pressing member can be held captive on the pressing adapter.
  • the pressing member can be movably held on the pressing adapter so that it can be actuated easily despite being undetachable.
  • a pressing member of particularly simple construction can be obtained in that the pressing member is formed by a screw.
  • the screw can be arranged such that a screw longitudinal axis is arranged perpendicular to the direction of insertion.
  • the screw longitudinal axis can also be arranged parallel to the direction of insertion.
  • the screw can, for example, be guided through a thread which is formed directly in the pressure adapter or through a separate nut which can be held in the pressure adapter.
  • a mating thread for the screw can be formed in a connecting piece that can be fastened to the second conductor.
  • the screw can not be lost if the screw can only be moved against the direction of action up to a position determined by a stop element.
  • the position can be determined in such a way that the screw completely releases at least one of the conductors so that the conductors can easily be separated from one another. Since the pressing member, or the screw, at least in one advantageous embodiment, is not screwed directly to one of the conductors or does not penetrate the conductors, the connection of the two conductors to one another or the detachment of the two conductors can be particularly easy. However, embodiments are also conceivable in which the screw is preassembled by one of the two Head is led.
  • the arrangement can be designed in such a way that at least when connecting the two conductors to one another, threading the screw through at least one of the two conductors can be dispensed with. In this way it is possible for the two conductors to be held together by a screw connection, but for the known problems of the arrangements from the prior art described above not to arise.
  • the arrangement can have a movable force distribution element on which the pressing member can act.
  • the force distribution element can distribute the normal force generated by the pressure element over a larger area, so that a surface pressure of the pressure element on one of the two conductors can be reduced.
  • the force distribution element can be held captive on the pressing member.
  • the force distribution element can be connected to the pressing member via a ball joint.
  • the pressing member can also penetrate the force distribution element at at least one point in order to achieve a captive holder. If the force distribution element is to act on at least one of the conductors by pressing, the conductor can have a recess in the area where the force distribution element acts on the pressure element in order to free space for the part of the pressure element penetrating the force distribution element.
  • the actuating section which is electrically isolated from the rest of the pressing member, can be formed by an insulating cap on the screw head.
  • the arrangement can have a housing which is electrically insulated at least from the pressing adapter, the actuating section of the at least one pressing member being accessible from the outside.
  • the housing can also protect conductors arranged in the press-on adapter against contact from the outside.
  • the housing can have an opening on an operating side which releases the chamber for the protection against accidental contact to the outside. In order to prevent an unintentional penetration of a finger or a tool into the opening, the opening can be surrounded by a protruding collar.
  • the arrangement can have a shield which surrounds the arrangement in order to shield the arrangement electromagnetically from the outside.
  • the arrangement can also have a security system or be connected to a security system.
  • a safety system can be formed, for example, by a high-voltage interlock system (HVIL). It can thereby be ensured that conductors arranged in the pressure adapter are no longer live before the pressure element is actuated or at least one of the conductors is handled.
  • HVIL high-voltage interlock system
  • This configuration with a touch guard that is closed at a front end pointing in the pushing-in direction is particularly advantageous when the longitudinal direction of the contacting slot runs parallel to the pushing-in direction. If, on the other hand, the contact-making slot runs with a depth direction parallel to the push-in direction, a tight closure could prevent or make the connection of the two conductors with one another more difficult. However, it is possible for the contact-making slot to be closed elastically, so that in a non-connected state the penetration of a finger, objects, or contamination is prevented. When the two conductors are connected to one another, however, the elastic closure can then be deflected, as a result of which the contacting slot is released for connection to the first conductor.
  • the at least one contacting slot can extend continuously to the front end of the contact protection.
  • the at least one contacting slot can simultaneously serve as a guide for inserting the contact protection in a straight line into the pressing adapter. This can apply both to the case that the longitudinal direction of the contacting slot runs parallel to the pushing-in direction and also to the case that the contacting slot runs with a depth direction parallel to the pushing-in direction.
  • the at least one contacting slot is preferably designed such that a finger cannot reach the interior of the contact protection.
  • the at least one contacting slot is preferably designed in such a way that a standardized test finger, for example a VDE test finger, cannot contact a conductor accommodated in the contact protection.
  • the at least one contacting slot preferably has a slot width of approximately 2, preferably approximately 3 to approximately 4 mm, particularly preferably approximately 3.5 mm.
  • a wall thickness is Contact protection next to the contacting slot preferably about 1.5 to about 2.5 mm. The wall thickness depends on the slot width.
  • a larger slot width requires a greater wall thickness in order to prevent a finger from penetrating the contacting slot into the interior of the contact guard.
  • the wall thickness of the protection against contact is preferably at least approximately 2 mm.
  • a ratio of slot width to wall thickness is preferably 1.75.
  • the contacting slot is preferably narrower than a third of an inner width of the contact protection in an embodiment in which the longitudinal direction of the contacting slot runs parallel to the direction of insertion.
  • the inner width of the contact protection is preferably approximately the width of a conductor that is to be received in the contact protection. If the contact protection has a single contacting slot on one side, one of the contacting slots is preferably in the middle, i.e. arranged at the same distance to the sides of the contact protection on the contact protection.
  • the arrangement comprises a first conductor received in the receptacle of the pressure adapter and a second conductor received in the receptacle of the contact protection, the first conductor at least in one end section arranged in the receptacle by a busbar and the second conductor in at least one is formed in the contact protection arranged end section by a cable lug, or vice versa.
  • the arrangement according to the invention can therefore be used particularly advantageously for connecting a cable lug to a busbar.
  • the pressing adapter can be arranged on the side of the busbar or on the side of the cable lug.
  • the respective other conductor is then arranged in the contact protection and can be pushed into the pressing adapter.
  • the end sections of the first and second conductors can also be formed by cable lugs or by busbars.
  • the end sections of the first and second conductors can have flat flat bodies, the flat sides of which are arranged perpendicular to one another when the conductors are received in the press-on adapter. It is particularly advantageous if one of the conductors is arranged in the center of the second conductor. It is particularly advantageous if the first conductor is arranged standing vertically in the center above the contact protection and can be pressed into the at least one contacting slot by the pressing member. So the two conductors in the compression adapter be pressed together particularly easily and effectively at the same time. The at least one pressing member then engages the narrow side, which is opposite the second conductor, of the end section of the first conductor formed as a flat body.
  • a movable force distribution element can be arranged between the at least one pressing member and the first conductor. This is particularly advantageous when the first conductor is a busbar. Busbars are often made of alloys that mostly contain copper and are therefore easily deformable. The movable force distribution element can then prevent damage to the busbar by the pressing member.
  • At least one contacting element connected to the first conductor can be frictionally held in the at least one contacting slot by the pressing member on the second conductor.
  • the at least one contacting element preferably produces the electrical connection between the first and the second conductor.
  • the at least one contacting element can be formed monolithically with the end section of the first conductor or connected to it by suitable connection techniques such as pressing, welding or screwing.
  • the at least one contacting element can be formed by at least one edge running parallel to the direction of insertion in the end section of the first conductor.
  • a particularly advantageous electrical contact can thereby be achieved, since the two conductors can be connected directly to one another.
  • the edge of the first conductor can represent the contacting element and can be pressed into the contacting slot in the contact protection on the second conductor.
  • the at least one edge running parallel to the direction of insertion preferably has an essentially straight flat section.
  • the edge can be formed by the narrow side of a flat body. As a result, a particularly large contact area can be obtained between the two conductors.
  • the at least one contacting element can also be configured as a contacting rib which protrudes from the first conductor.
  • the first conductor can then be pressed in the direction of the second conductor in such a way that the contacting rib is pressed through the contacting slot onto the second conductor.
  • the contacting element can also be designed as a part connected to the first conductor.
  • the at least one contacting element can also be designed as a rib on the at least one force distribution element, provided that the force distribution element is conductively connected to the first conductor.
  • the contact guard can have at least one support slot which is arranged on a side of the contact guard opposite the pressing member.
  • the pressing adapter can have at least one support rib which is designed to be complementary to the support slot.
  • the at least one support rib can then support the second conductor in the pressed-on state and hold it in a form-fitting manner at least in the effective direction of the at least one pressure element.
  • the at least one support rib and the at least one support slot can also serve to guide the contact protection when it is pushed into the pressure adapter. In the pressed-on state, the at least one support rib can be held on the second conductor with a friction fit through the at least one support slot.
  • the at least one support rib is electrically connected to the first conductor, there is also an electrical allocation between the first and the second conductor via the at least one support rib.
  • the support slot is at the same time a further contact-making slot.
  • the at least one support rib represents a contacting element which is held in the contacting slot on the second conductor with a friction fit.
  • the first conductor can have an end section which has a U-shaped profile in a cross section transverse to the direction of insertion, and wherein the legs of the U-shaped profile can be pressed against the second conductor through at least two contacting slots under the action of the pressing member are.
  • the legs of the U-shaped profile then represent two contacting elements.
  • the legs can be shaped such that they are perpendicular to a surface of the second conductor at least in the area of a joint between the first and second conductor.
  • the second conductor is preferably formed at least in the end section by a flat body.
  • a further advantageous embodiment of the arrangement according to the invention has at least one contacting slot, the depth direction of which runs parallel to the direction of insertion.
  • This advantageous embodiment preferably has an electrically conductive connecting piece which can be fastened to the second conductor and which is at least partially surrounded by at least an outer wall of the housing-like contact protection.
  • the connecting piece has a receptacle for the pressure element, which is formed complementary to the pressure element, the pressure element being insertable into the receptacle parallel to the direction of insertion, and the contacting slot running at least in sections around the receptacle for the pressure element.
  • the connecting piece can extend the second conductor in such a way that it can be received in the form of the connecting piece in the receptacle for the second conductor in the housing-like contact protection.
  • the electrically conductive connecting piece can be firmly connected to the second conductor prior to the connection of the two conductors to one another or as part of a pre-assembly.
  • the connecting piece can be connected to the second conductor in particular by welding, screwing or pressing.
  • the second conductor can in particular be a busbar.
  • the connector is advantageous in order to contact the second conductor at any point. The contact is therefore not limited to an end section of the second conductor.
  • a longitudinal axis of the connecting piece preferably runs parallel to the direction of insertion.
  • the receptacle can be formed centrally in the connection piece, so that the connection piece runs at least in sections coaxially to the receptacle.
  • the connector may have a cylindrical outer surface that is coaxial with the receptacle.
  • the connecting piece can have the shape of a bolt.
  • the connecting piece can also have a rectangular or square cross section. It is particularly advantageous if the connecting piece as a whole has a circular cross section, but deviates from the circular cross section at at least one point.
  • the connecting piece can be flattened on one side. As a result of the deviation from the circular cross-section, a mismatch protection can be obtained.
  • the pressing adapter and thus also the first conductor can be connected to the connecting piece in only one or a limited number of several predetermined orientations.
  • the connecting piece can have at least one undercut on its outside, into which at least one projection of an inside of the outer wall of the contact guard can engage in order to hold the outer wall of the contact guard securely and captively on the connecting piece.
  • at least one sealing element can be present between the connecting piece and the inside of the outer wall of the contact protection.
  • the connecting piece can have a circumferential groove on its outside, for example, into which a sealing element, such as a sealing ring, can be inserted.
  • the receptacle for the pressing member can for example have an internal thread to which a pressing member designed as a screw can be screwed.
  • the receptacle can also have latching elements, for example undercuts, into which the pressing member can engage in order to connect the second conductor to the first conductor.
  • the receptacle is preferably shaped as a blind hole. As a result, it is possible to dispense with threading the pressure member through the connecting piece or through the second conductor. To release the two conductors, it may be sufficient to remove the pressing member from the receptacle. Then the two conductors can be separated from each other against the direction of insertion.
  • the contacting slot can be configured as an annular slot in sections or continuously.
  • This ring slot can be circular. However, other shapes, for example oval or angular, are also possible.
  • the contacting slot can be delimited from the receptacle for the pressing element by a sleeve which can be inserted into the connecting piece and which is permeable to the pressing element parallel to the direction of insertion.
  • the sleeve which is preferably made entirely of an electrically insulating material, can form the same together with the outer wall of the housing-like contact protection.
  • the sleeve can be inserted in the area of the open end of the receptacle and protrude from the connecting piece in the direction of insertion. In the other direction, or towards the interior of the connecting piece, an internal thread for the pressing member can connect to the sleeve in the receptacle.
  • the sleeve can be pressed or glued into the receptacle, for example.
  • Another advantageous type of fastening can be achieved in that the receptacle in the connecting piece has at least one undercut into which at least one latching projection of the sleeve can engage, so that the sleeve is held captive on the connecting piece.
  • the outer wall and the sleeve preferably protrude beyond an end of the connecting piece pointing in the push-in direction.
  • the contacting slot is preferably so deep that an effective contact protection is formed, ie that a finger of a human hand or a VDE test finger cannot get through the contacting slot to the connecting piece. Inadvertent contact with the connecting piece, which is electrically conductively connected to the busbar in an assembled state, can thereby be effectively prevented.
  • a guide slot can be arranged between the connecting piece and the outer wall of the housing-like contact protection, which runs concentrically around the connecting piece and is designed to receive a housing part of the pressing adapter.
  • the pressing adapter and the first conductor arranged therein can advantageously be guided through the guide slot for connection to the second conductor. Furthermore, at least in a connected state, an interior of the arrangement can be closed or sealed to the outside.
  • both the housing part of the pressing adapter and the outer wall of the touch guard preferably extend around the connecting part and around the pressing member arranged in the receptacle in the connecting part.
  • At least one sealing element can be present.
  • the connecting piece can have a circumferential groove into which a sealing element, such as a sealing ring, can be inserted.
  • a sealing element can then press against an inner wall of the housing part of the pressing adapter.
  • a sealing element can also be arranged on the inner wall of the housing part. It is also possible for at least one sealing element to be arranged in the connected state between an inner side of the outer wall of the contact protection and the outer side of the housing part of the press-on adapter.
  • the housing part of the pressure adapter and / or the outer wall of the contact protection can have locking elements.
  • the two parts can initially be connected to one another so far that the locking elements interlock.
  • the two parts can be held together in a pre-assembly position.
  • the pressure element can be operated so that the two conductors are connected to one another.
  • the locking elements can be formed by locking hooks on one of the two parts and corresponding counter-locking hooks or recesses on the other part.
  • the arrangement can have a contacting element that can be connected to the first conductor, which is configured complementary to the contacting slot and can be pressed against the connecting piece by means of the pressing member through the contacting slot.
  • the first and the second conductor are connected to one another indirectly.
  • the first conductor is connected to the contacting element and the second conductor to the connector.
  • the contacting element is pressed against the connecting piece through the contacting slot.
  • the contacting element can be penetrated by the pressing member in the form of a sleeve and parallel to the direction of insertion. In this way, a uniform contact pressure on the contacting element can be generated by the pressing member.
  • the contacting element can be frictionally and / or positively connectable to the first conductor.
  • the first conductor can have an opening into which the contacting element can be pressed.
  • the contacting element can also be welded to the first conductor, for example.
  • Another alternative can be to screw the contacting element to the first conductor.
  • the contacting element can have an external thread which can be screwed into an internal thread in the first conductor that is designed to be complementary thereto.
  • Another alternative is not to firmly connect the contacting element to the first conductor, but only to hold it captive in the pressure element, a secure connection with the first conductor only taking place when the pressure element presses the first conductor and the contact element together.
  • the pressing member can be electrically insulated at an end facing the second conductor. This can increase the safety in handling.
  • the housing part of the pressure adapter and the electrically insulated end of the pressure element can form a further contact protection that prevents a finger from getting into the interior of the pressure adapter and touching electrically conductive parts of the pressure element and / or the contacting element. Due to the combination with the contact protection for the second conductor, the arrangement can thus have a two-sided contact protection.
  • the pressing member can have an actuating section, which is electrically isolated from the rest of the pressing member, for actuating the pressing member.
  • the actuating section can be designed in this way be that this rests against an inside of the housing of the pressing adapter at least when the two conductors are connected.
  • the actuating section can be guided through the housing parallel to the direction of insertion.
  • At least one sealing element can be arranged between the actuating section and the housing.
  • the actuating section and / or the housing can have a circumferential groove into which a sealing element can be inserted.
  • the actuating section can preferably not be fully guided out of the housing.
  • the housing and / or the actuating member can have stop elements such as latching projections and / or latching recesses, which interlock in such a way that the actuating member is effectively prevented from being led out of the housing.
  • the actuating section is preferably firmly connected to the rest of the pressing member so that the pressing member can be guided through the actuating member in the housing. Since the pressing member, especially if it is formed by a screw, generally has a shape extending elongated parallel to the direction of insertion, the fixed connection with the actuating section can prevent the pressing member from tilting out of an alignment parallel to the direction of insertion. The fixed connection between the pressing member and the actuating section and the guidance of the actuating section in the housing parallel to the direction of insertion can therefore also contribute to increased safety.
  • FIG. 5 all components of the described embodiment individually in an exploded view.
  • the arrangement 1 has a press-on adapter 3 and a touch guard 5.
  • the press-on adapter 3 has a receptacle 7 for a first conductor 9 and the contact protection 5 has a receptacle 11 for a second conductor 13.
  • the first conductor 9 is shown as a busbar 15 and the second conductor 13 as a cable lug 17 merely as an example.
  • the first conductor 9 is formed by a cable lug 17 and the second conductor 13 is formed by a busbar 15.
  • the two conductors 9 and 13 are formed by busbars 15 or cable lugs 17.
  • the pressing adapter 3 has a chamber 19 into which the contact guard 5 can be pushed along the direction of insertion E.
  • the chamber 19 is open towards the receptacle 7 for the first conductor 9, so that the first conductor 9 can protrude at least partially into the chamber 19.
  • the pressure adapter 3 On the side 21 opposite the receptacle 7, the pressure adapter 3 has the two support ribs 23 which protrude into the chamber 19.
  • the support ribs 23 extend elongated parallel to the direction of insertion E. They are preferably formed monolithically with a body 25 of the pressing adapter 3.
  • the body 25 of the pressing adapter 3 is preferably formed as a cast part. Furthermore, the body 25 is preferably formed from a conductive material.
  • the receptacle 7 for the first conductor 9 is limited by two holding jaws 27, which can be formed monolithically with the body 25.
  • the holding jaws 27 can guide the first conductor 9 when it is inserted into the pressure adapter 3 and hold it in a desired position.
  • the holding jaws 27 preferably delimit the chamber 19 for the contact protection 5 in the direction of the receptacle 7.
  • the cross section of the chamber 19 and the receptacle 7 point transversely to the insertion direction E (see FIG Fig. 2 ) have a substantially elongated shape and are arranged perpendicular to one another.
  • the chamber 19 is open in the middle at a level between the two support ribs 23 towards the receptacle 7.
  • the elongated shape of the receptacle 7 extends parallel to an effective direction W of the pressing member 29.
  • the pressing member 29 is designed to connect the first conductor 9 to the second conductor 13 in a frictionally engaged manner.
  • the pressing member 29 can be formed as a screw 31.
  • the screw 31 is guided through an internal thread 33 in the body 25 of the pressing adapter 3.
  • the pressing adapter 3 can also have a nut, which is connected to the body 25, for guiding the screw 31.
  • a rotation of the screw 31 about the screw longitudinal axis L leads to a movement of the screw 31 along or counter to the direction of action W.
  • the screw 31 has a screw head 35 pointing counter to the direction of action W as an actuating section 41.
  • the screw head 35 preferably has a screw head diameter 37 which is larger than a screw diameter 39. As a result, the screw 31 cannot be completely countersunk in the internal thread 33.
  • the body 25 then forms a stop for the screw head 35 in the direction of action W.
  • the screw head 35 represents the actuation section 41 of the pressing member 29.
  • the actuation section 41 does not necessarily have to be shaped as a screw head 35. If the screw 31 is designed, for example, as a grub screw, the actuating section 41 can be formed at the end of the screw 31 pointing against the direction of action W without going beyond the screw diameter 39. For example, the actuating section 41 can be formed as a hexagon socket opening.
  • the pressing member 29 has the electrically insulated actuating section 43, which is preferably formed by an insulating cap 45.
  • the insulating cap 45 can have the shape of a screw head in order to be actuated by a correspondingly designed tool.
  • the insulating cap 45 is preferably formed from a plastic.
  • the arrangement 1 can have a housing 47 which is at least insulated from the pressing adapter 3.
  • the housing 47 can have an opening 49 through which the electrically insulated actuating section 43 of the pressing member 29 can protrude to the outside.
  • the opening 49 is preferably smaller than a stop element 51 of the electrically insulated actuation section 43.
  • the stop element 51 can be shaped as a circumferential ring or as a screw head and form a stop for the electrically insulated actuation section 43 against the effective direction W. The stop element 51 thus prevents the pressing member 29 from being completely detached from the pressing adapter 3.
  • the housing 47 also has a collar 53 which protrudes against the direction of insertion E and which releases the chamber 19 for the contact protection 5.
  • the collar 53 can prevent a finger, a tool or another part from getting into the housing 47 and making electrical contact with one of the elements located in the housing 47.
  • a movable force distribution element 55 is arranged between the pressing member 29 and the receptacle 7 for the first conductor 9.
  • the force distribution element 55 can distribute a force generated by the pressing member 29 in the effective direction W to a first conductor 9 arranged in the receptacle 7.
  • the force distribution element 55 is preferably at least as long along the insertion direction E as the body 25 of the pressure adapter 3. In a direction transverse to the insertion direction E and transverse to the effective direction W, the force distribution element is preferably wider than the screw diameter 39 and wider than the receptacle 7 for the first Head 9.
  • the force distribution element 55 protrudes from the body 25 of the pressing adapter 3 with the ends lying in and opposite to the insertion direction E.
  • the ends 57 are preferably bent upwards against the effective direction W so that the force distribution element 55 partially engages around the body 25 with the ends 57.
  • the force distribution element 55 is thereby secured against displacement along the insertion direction E.
  • the pressing adapter 3 there is a receptacle 59 for the force distribution element 55 which has abutment surfaces 61 which secure the force distribution element 55 against movement parallel to the effective direction W.
  • a distance 63 between the abutment surfaces 61 in the direction of the effective direction W is smaller than a length 65 of the bent ends 57 parallel to the effective direction W.
  • the contact protection 5 has a contacting slot 67 which runs parallel to the direction of insertion E.
  • the contacting slot 67 is arranged in the cross section transversely to the direction of insertion E in the center of the contact protection 5.
  • the contacting slot 67 exposes the interior 69 of the contact guard 5.
  • the contacting slot 67 extends as far as a front end 71 of the contact protection 5.
  • the contacting slot 67 has a slot width 68 transversely to the direction of insertion E.
  • a wall thickness 70 of the protection against contact 5 in the area of the contacting slot 67 is preferably selected such that a ratio of slot width 68 to wall thickness 70 is approximately 1.75.
  • the contact protection 5 is closed at the front end 71.
  • the contacting slot 67 releases the interior 69 of the contact protection 5 for the receptacle 7 for the first conductor 9.
  • the pressing member 29 is arranged above the contacting slot 67.
  • Cross-section across the direction of insertion ( Fig. 2 ) the longitudinal axis L of the pressing member 29 running parallel to the direction of action W is arranged centrally above the contacting slot 67.
  • the contact protection 5 has support slots 73 on the side 2 opposite the contacting slot 67.
  • the support slots 73 are designed to be complementary to the support ribs 23 of the pressing adapter 3. Due to the interaction between support slots 73 and support ribs 23, the contact protection 5 can be guided when it is pushed into the chamber 19.
  • the contact protection 5 preferably extends so far that electrically conductive parts of the second conductor 13 are completely covered.
  • An insulation 78 of the second conductor 13 preferably protrudes into the contact protection 5.
  • the end section 77 of the second conductor 13 is formed by the flat body 79 of the cable lug 17.
  • the flat body 79 has an upper flat side 81 and a lower flat side 83.
  • the upper flat side 81 is released for contacting the first conductor 9 through the contacting slot 67.
  • the lower flat side 83 is released through the support slots 73 towards the support ribs 23.
  • the flat sides 81 and 83 run perpendicular to the direction of action W when the second conductor 13 with the contact protection 5 is received in the chamber 19.
  • the cable lug 17 has the crimp area 85 behind the flat body 79. In the crimp area 85, the cable lug 17 is surrounded by the contact protection 5. The second conductor 13 is therefore protected against contact by the contact protection 5 and the cable insulation 78.
  • the first conductor 9 is formed at least in its end section 87 which can be received in the receptacle 7 by a busbar 15. As already described above, the first conductor 9 can also have a cable lug, the end section of which can be received in the receptacle 7 instead of the busbar.
  • the end section 87 of the first conductor 9 is formed as a flat body 89.
  • the flat sides 91 of the first conductor 9 run parallel to the effective direction W and parallel to the insertion direction E when the first conductor 9 is received in the receptacle 7 in the press-on adapter 3.
  • the flat sides 91 of the first conductor thus run perpendicular to the flat sides 81 and 83 of the second conductor 13 when both conductors are arranged in the press-on adapter 3.
  • the flat sides 91 have a spacing 92 which corresponds at least to the slot width 68 of the contacting slot 67.
  • the flat body 89 of the first conductor 9 has an upper edge 93 and a lower edge 95, which run parallel to the direction of insertion and form narrow sides of the flat body 89.
  • the lower edge 95 forms the contacting element 97 of the first conductor 9. Since the contacting element 97 is formed by the lower edge 95 of the end section 87 or the flat body 89, the contacting element 97 is formed monolithically with the first conductor 9. To make contact between the first conductor 9 and the second conductor 13, the first conductor 9 is pressed against the second conductor 13. In this case, the pressing member 29 exerts a normal force acting in the effective direction W on the end section 87 of the first conductor 9.
  • the power is generated by the Force distribution element 55 is distributed uniformly over the upper edge 93 of the end section 87.
  • the lower edge 95 of the end section 81, which forms the contacting element 97, protrudes through the contacting slot 67 of the contact protection 5 and is pressed against the end section 77 of the second conductor 13.
  • the pressing by the pressing member 29 therefore ensures a frictional connection between the first conductor 9 and the second conductor 13 in the area of the contacting slot 67.
  • the end section 77 of the second conductor 13 is pressed against the support ribs 23 by the contact pressure of the pressing member 27.
  • the second conductor 13 is thus pressed in between the first conductor 9 and the support ribs 23 and the first conductor 9 is pressed in between the force distribution element 55 and the second conductor 13.
  • the body 25 of the pressing adapter 3 can establish an electrical connection to the first conductor 9. This additional electrical connection can be conveyed to the first conductor 9, for example, via the holding jaws 27 and / or via the pressing member 29 and / or the force distribution element 55.
  • the pressing member 29 is preferably operated in such a way that at least one of the two conductors 9 and 13 or both can be easily inserted into the respective receptacle. Only when both the first conductor 9 and the second conductor 13 with the contact protection 5 are arranged in the respective receptacles or the chamber 19 is the pressing member 29 actuated, so that a force is exerted on both conductors 9 and 13 along the effective direction W becomes. The pressing member 29 is therefore operated separately.
  • the arrangement 1 has a touch guard 5 in which the end section 77 of the second conductor 13 is arranged.
  • the second conductor 13 in the second embodiment is formed by a busbar 15.
  • the second conductor 13 is formed by a cable lug.
  • the touch guard has two contact-making slots 67 which are arranged next to one another and parallel to one another and parallel to the direction of insertion E.
  • the contacting slots 67 are opposite the support slots 73.
  • the contact protection 5 can be formed as part of a housing a housing wall portion 99 of which is shown.
  • the housing wall section 99 preferably extends perpendicular to the direction of insertion E.
  • the pressing adapter 3 of the second embodiment has a chamber 19 into which the contact protection 5 can be pushed along the insertion direction E.
  • the first conductor 9 is formed as a cable lug 17. If the second conductor 13 is also formed as a cable lug, the arrangement 1 can serve to connect two cable lugs to one another. Another alternative can be that the first conductor 9 is also formed by a busbar. The second conductor can then also be either a cable lug or a busbar.
  • the end section 87 of the first conductor 9 has a cross section transverse to the insertion direction E (see Fig. 7 ) has a U-shaped profile.
  • the two legs 101 of the U-shaped profile form two flat bodies 89 of the first conductor 9 with the flat sides 91, which are arranged perpendicular to the flat sides 81 and 83 of the flat body 79 of the second conductor 13.
  • the flat bodies 89 run parallel to the direction of action W and to the direction of insertion E.
  • a transverse leg 103 of the U-shaped profile forms a flat body which, at least in sections, runs perpendicular to the direction of action W and parallel to the direction of insertion E.
  • the pressing member 29 can act on the transverse leg 103.
  • the transverse limb 103 distributes the force generated by the pressing member 29 in the effective direction W to the two limbs 101.
  • the limbs 101 and the transverse limb 103 can be formed from a formerly flat cable lug 17 by punching or by another deformation technique. If the first conductor 9 is formed by a busbar 15, then the busbar 15 can also be shaped by suitable deformation techniques in such a way that two legs 101 and a transverse leg 103 are produced.
  • the first conductor 9 has lower edges 95 running parallel to the sliding direction E. These lower edges 95 form two contacting elements 97.
  • the contacting elements 97 can contact the second conductor 13 by protruding through the contacting slots 67.
  • the leg ends 105 lie opposite the support ribs 23 parallel to the direction of action W.
  • the second conductor 13 can be supported particularly well and a particularly non-positive connection can be established between the first conductor 9 and the second conductor 13.
  • the body 25 is divided into two parts and has a lower contact section 107 and an upper pressing section 109.
  • the body 25 can also consist of a single part.
  • the pressing section 109 has an essentially U-shaped cross section to the direction of insertion E, with end sections 111 of the legs of the U-shaped cross section being bent towards one another.
  • the contact section 107 has two mutually opposite grooves 113 which are open parallel to the push-in direction E and on two sides transversely to the effective direction W, in which the leg ends 111 of the pressing section can be received.
  • the contact section 107 and the pressing section 109 can be joined together by being pushed together along the insertion direction E. When the two parts are pushed together, the parts are held together in a form-fitting manner along the effective direction W.
  • the pressing section 109 has an internal thread 33 for the pressing member 29, which is designed as a screw 31.
  • the internal thread 33 is part of a press-in nut 115, which is arranged in a complementary opening 117 in the pressing section 109.
  • the internal thread 33 can also be formed directly in the pressing section 109.
  • the contact section 107 has two contacting shafts 119 which open the receptacle 7 for the first conductor 9 towards the chamber 19.
  • the contacting shafts 119 allow the legs 101 of the first conductor 9 to contact the second conductor 13. In a connected state, the legs 101 protrude through the contacting shafts 119 and the contacting slots 67 up to the second conductor 13.
  • the contacting shafts 119 are closed in the direction of insertion E and against the direction of insertion. If the legs 101 of the first conductor 9 are arranged in the contacting slots 119, the legs 101 are held in the contacting slots 119 in a form-fitting manner in the insertion direction E. The conductor 9 can thereby be secured against being pulled out against the direction of insertion E.
  • the arrangement 1 preferably has a housing 47 which electrically insulates the pressing adapter 3 and the first conductor 9 located in the pressing adapter 3 from the outside.
  • the housing 47 preferably extends in the direction of insertion E until it covers a cable insulation 7, 8 of the first conductor 9.
  • a collar 53 projects against the direction of insertion E and releases the chamber 19 for insertion of the contact guard 5 and the second conductor 13.
  • An opening 49 in the housing allows an electrically insulated actuating section 43 of the pressing member to be actuated from outside the housing.
  • the opening 49 is preferably designed in such a way that the electrically insulated actuating section 43 cannot penetrate completely to the outside through the opening 49, as a result of which the pressing member 29 is held captive on the pressing adapter 3.
  • the housing 47 can be formed in two parts with a lower shell 121 and an upper shell 123, which can be clipped together.
  • the third embodiment is designed for indirect contact between the first conductor 9 and the second conductor 13.
  • the first conductor 9 is shown as a cable lug 17 and the second conductor 13 as a busbar 15 merely by way of example. As in the previously described embodiments, all combinations of cable lug 17 and busbar 15 are also conceivable here.
  • the first conductor 9 is held in a receptacle 7 which is arranged behind the chamber 19 for the contact protection 5 in the direction of insertion E.
  • the first conductor 9, designed as a cable lug 17, is screwed to the body 25 of the pressing adapter 3.
  • the first conductor 9 has an opening 125 in its end section 87.
  • a screw 127 can protrude through the opening 125 and can be screwed into a thread 129 in the body 25.
  • a washer 131 can also be arranged between the screw 127 and the first conductor 9.
  • the body 25 is formed from an electrically conductive material, so that the body 25 becomes part of the conductor 9.
  • the pressing adapter 3 has a force distribution element 55, which can be subjected to pressure in the effective direction W by the pressing member 29.
  • the force distribution element 55 has a contacting rib 133 which runs parallel to the insertion direction E and protrudes in the effective direction W.
  • the contacting rib 133 is arranged above the contacting slot 67 and can be pressed by the pressing member 29 through the contacting slot 67 onto the second conductor 13.
  • the contacting rib 133 then represents a contacting element 97.
  • the contacting rib 133 can be connected in an electrically conductive manner to the body 25 via the screw 31 and therefore produce an electrical contact between the first conductor 9 and the second conductor 13.
  • the second conductor 13 is pressed in the area of the support slots 73 onto the support ribs 23, which are formed monolithically with the body 25. This also creates an electrical contact between the first conductor 9 and the second conductor 13 via the support ribs 23.
  • the first conductor 9 can have any shape.
  • the first conductor 9 can also be a cable which is pressed onto the body 25 via a suitably shaped washer 131.
  • the washer 131 can have the shape of a bracket, for example, so that a multi-core cable can also be pressed onto the body 25 by the screw 127.
  • the arrangement 1 has a pressure adapter 3 with a receptacle 7 for the first conductor 9 and a housing-like contact protection 5 with a receptacle 11 for the second conductor 13.
  • the contact guard 5 can be pushed into a chamber 19 of the pressure adapter 3 along the insertion direction E and has a contacting slot 67 running parallel to the insertion direction E, which releases an interior 69 of the contact guard 5 for contacting to the outside.
  • the contacting slot 67 runs with its depth direction T parallel to the insertion direction E.
  • the fourth embodiment is particularly advantageous when a connection is not to be made between the end sections of cables and / or busbars, but rather, for example, on a piece of a conductor that does not represent the end section of the conductor.
  • This is in the Figures 14-16 shown by way of example using a busbar 15.
  • the part of the arrangement 1 according to the invention which is located on the second conductor 13 is described first. It is only shown as an example that the arrangement 1 is used to connect a busbar 15 to a cable lug 17.
  • the busbar 15 can be surrounded at least in the area of the arrangement 1 by a sheath 135 which insulates the busbar 15 from the outside.
  • a connecting piece 137 which is part of the arrangement 1, is electrically connected to the busbar 15.
  • the connecting piece 137 serves to extend the busbar 15 and represents the second conductor 13, which is received in the receptacle 11 of the contact guard 5.
  • the connecting piece 135 has a base 139 at which it is connected to the busbar 15.
  • the connection between the base 139 and the busbar 15 can take place, for example, by welding, screwing or pressing.
  • a connection by screwing for example a screw (not shown) can be passed through the busbar 15 and screwed into an internal thread (not shown) in the connecting piece 137. The screw head can then rest on the side of the busbar 15 opposite the connecting piece 137.
  • the connecting piece 137 extends away from the base 139 along a longitudinal axis 140 parallel to the insertion direction E.
  • the connecting piece 137 preferably has a substantially cylindrical shape.
  • the connecting piece 137 preferably has the shape of a bolt. If it is shaped as a bolt, a longitudinal axis of the bolt extends parallel to the insertion direction E.
  • the end 141 facing away from the base 139 is accessible through the contacting slot 67 and can be brought into contact with the contacting element 97 of the first conductor 9.
  • the contacting slot 67 can be formed as an annular slot 143.
  • the connecting piece 137 has a receptacle 145 for the pressing member 29.
  • the receptacle 145 extends parallel to the longitudinal axis 140 into the connecting piece 137.
  • the receptacle 145 is preferably shaped as a blind hole 146, the open end of which points in the insertion direction E.
  • the receptacle 145 is preferably closed in the direction of the base 139.
  • the receptacle 145 is preferably arranged centrally in the connecting piece 137 so that it runs coaxially to the longitudinal axis 140 of the connecting piece 137.
  • the receptacle 145 can also extend continuously through the connecting piece 137, that is to say also through the base 139 thereof, so that an opening (not shown) on the base 139 can be used to connect the connecting piece 137 to the busbar 15.
  • the receptacle 145 preferably has an internal thread 147 into which the pressing member 29, designed as a screw 31, can be screwed. If, as described above as an alternative, the receptacle 145 is continuous and not formed as a blind hole, the internal thread 147 can extend to the opening in the base, so that a screw (not shown) is guided through the busbar 15 and with the internal thread in the Base 139 can be screwed.
  • a region 148 can be arranged in which the diameter 149 of the receptacle 145 is greater than the diameter 151 of the receptacle 145 in the region of the internal thread 147. This region 148 can serve to receive the sleeve 153.
  • the sleeve 153 can delimit the contacting slot 67 from the receptacle 145.
  • a longitudinal direction of the sleeve 153 preferably runs coaxially to the longitudinal axis 140 of the connecting piece 137.
  • the sleeve 153 is preferably held captive in the receptacle 145.
  • the sleeve 153 can, for example, be pressed or glued into the receptacle 140.
  • the sleeve and / or the connecting piece 137 have latching means in the region 148 which can interlock in order to hold the sleeve 153 in the receptacle 145.
  • latching means 155 are only shown schematically.
  • the connecting piece 137 can have at least one undercut 157 in the region 148 on an inner wall of the receptacle 145, into which at least one latching hook 159 of the sleeve 153 can latch.
  • the undercut 157 can be formed, for example, as a recess or as a groove running around the inner wall of the receptacle 145.
  • the contacting slot 67 is delimited by the outer wall 161 of the contact guard 5.
  • the outer wall 161 preferably runs cylindrically around the connecting piece 137 and is arranged coaxially to the longitudinal axis 140 of the connecting piece 137.
  • the outer wall 161 preferably protrudes in the area of the base 139 of the connecting piece 137 into a recess 163 in the casing 135 in order to ensure continuous insulation around the busbar 15 and around the connecting piece 137.
  • the outer wall 161 can bear directly on the connecting piece 137.
  • the outer wall 161 is preferably held on the connecting piece 137 in this area.
  • the outer wall 161 can be pressed onto the connecting piece 137.
  • the outer wall 161 is preferably latched to the connecting piece 137.
  • latching elements can be arranged in the area of the base 139 both on the connecting piece 137 and on the outer wall 161, which can interlock in order to hold the outer wall 161 on the connecting piece 137.
  • the connecting piece 137 can have a recess 165 in the region of the base 139 and the outer wall 161 can have a latching projection 167. Both elements are in Fig. 14 indicated.
  • the recess 165 can also be formed as a circumferential groove in the connecting piece 135.
  • the connecting piece 137 has a circumferential groove (not shown) in the area of the base 139, into which a sealing element (not shown) can be inserted in order to seal the area between the connecting piece 137 and the outer wall 161.
  • a groove can also be formed in the outer wall 161, or a sealing element can be arranged between the outer wall 161 and the connecting piece 137, neither or both elements having a groove.
  • the guide slot 169 is designed to receive a housing part 171 of the pressing adapter 3.
  • the guide slot 169 is preferably arranged circumferentially around the connecting piece 137 and coaxial therewith.
  • the guide slot 169 preferably extends in the area of the one opposite the base 139 End 141 of the connecting piece 137 into the contacting slot 67.
  • the connecting piece 137 preferably has at least one circumferential groove 173 on its outside, into which a sealing element 175, preferably a sealing ring, is inserted.
  • the contacting slot 67, the connecting piece 137, the outer wall 161 and the housing part 171 are shown with a circular cross section or with a cylindrical shape.
  • the pressing adapter 3 can be connected to the contact protection 5 and the connecting piece 137 in any desired orientation with respect to a rotation about the longitudinal axis 140.
  • the arrangement 1 can have a misplacement protection (not shown).
  • a misplacement protection (not shown).
  • the connecting piece 137 has a cross section deviating from the circular shape at at least one point.
  • the connecting piece 137 can be flattened on at least one side, the flattening running parallel to the longitudinal axis 140.
  • the housing part 171 can then be shaped in a complementary manner thereto, so that it can only be connected to the contact protection 5 in an orientation in which the complementary parts fit into one another.
  • Both the outer wall 161 and the sleeve 153 preferably protrude so far beyond the end 141 of the connecting piece 137 in the insertion direction E that an effective contact protection 5 is formed to prevent contact with the connecting piece 137.
  • the height 177 at which the outer wall 161 protrudes over the end 141, and which at the same time represents the depth of the contacting slot 67, must be selected depending on the slot width 68, which is given by the distance between the sleeve 153 and the outer wall 161, and vice versa.
  • the slot width 68 and the height 177 are selected to be at least so large that a finger or a VDE test finger can no longer reach the end 141 of the connecting piece 137.
  • the sleeve 153 and the outer wall 161 can end flush with one another in the insertion direction E, but this is not absolutely necessary.
  • the outer wall 161 can protrude beyond the sleeve 153 in the insertion direction E in order to protect the sleeve 153 from damage.
  • the sleeve 153 can extend further in the insertion direction E than the outer wall 161 in order to enable the pressing member 29 to be caught as early as possible when the two conductors are connected to one another.
  • the outer wall 161 can have latching elements (not shown) that can be connected to complementarily designed latching elements of the housing part 171 of the pressing adapter 3. As a result, the housing part 171 can be held in a preassembly position on the outer wall 161, which can facilitate the handling of the arrangement 1.
  • the housing part 171 extends out of the chamber 19 of the pressure adapter 3 against the direction of insertion.
  • the contact protection 5 can be pushed into the chamber 19.
  • the outer wall 161 is arranged circumferentially around the housing part 171 and the sleeve 153 is arranged inside the housing part 171.
  • the housing part 171 is preferably formed essentially as a cylinder wall and runs coaxially to the longitudinal axis L of the pressing adapter 29.
  • the longitudinal axis L of the pressing adapter 29 and the longitudinal axis 140 of the connecting piece 137 are identical.
  • the pressing adapter 3 has the contacting element 97, which can be connected to the first conductor 9 and, in a state connected to it, represents an extension of the latter.
  • the contacting element 97 can be designed in the shape of a ring and can be arranged coaxially to the pressing adapter 29. That is, the longitudinal axis L of the pressing adapter 29 simultaneously forms the ring axis.
  • the contacting element 97 can be firmly connected to the first conductor 9, shown for example as a cable lug 17.
  • the connection can be made, for example, by pressing, screwing or welding.
  • the contacting element 97 is pressed with a connection section 179 into a recess 181 in the cable lug 17.
  • the contacting element 97 can also be held in the pressing adapter 3 in a movable but captive manner.
  • the housing part 171 can have, for example, elastically deflectable latching elements directed in the direction of the pressing adapter 29, which allow the contacting element 97 to be inserted into the pressing adapter 3, but effectively prevent the contacting element 97 from falling out of the pressing adapter 3.
  • the receptacle 7 for the first conductor 9 or for the cable lug 17 extends perpendicular to the longitudinal axis L, so that the cable lug 17 intersects the longitudinal axis L of the pressure adapter 29 with its end section 87.
  • the pressing adapter 29 is formed as a screw 31 and penetrates the contacting element 97 parallel to its longitudinal axis L.
  • the screw head 35 is on one of the housing part 171 side facing away from the contacting element 97 is arranged.
  • the screw head 35 is connected to an electrically insulated actuation section 43, so that the screw can be actuated or rotated without a tool coming into electrical contact with the screw 31.
  • the actuating section 43 preferably has the shape of a cylinder jacket surface on its outer side 183.
  • the housing 47 of the pressing adapter 3 is shaped like a hollow cylinder at least in an area 185 surrounding the actuating section 43, so that the actuating section 43 rests with its outer side 183 on the housing 47.
  • the actuating member 29 can be guided in the pressing adapter 3 and secured against tilting transversely to the housing part 171.
  • the screw head 35 is preferably firmly connected to the actuating section 43. This can be done, for example, by gluing the two parts together. Preferably, however, the screw head 35 is encapsulated or cast around with the material of the actuating section 43.
  • the screw head 35 can be configured such that it can press the contacting element 97 directly against the connecting piece 137.
  • the contacting element 97 can also be arranged only on the side of the cable lug 17 opposite the screw head 35, so that the screw head 35 can apply pressure to the contacting element 97 indirectly via the cable lug 17.
  • the screw head 35 is dimensioned in such a way that it can apply pressure both to the contacting element 97 directly and to a part of the cable lug 17.
  • a good connection of the contacting element 97 to the connecting piece 137 can be ensured, and the cable lug 17 can also be pressed against the contacting element 97, which can increase the security of the connection, since the connection between the contacting element 97 and the cable lug 17 is prevented from being released becomes.
  • the actuating section 43 preferably has at least one circumferential groove 187 and a sealing element 189 received in the groove 187, so that a seal is formed between the actuating section 43 and the housing 47 in the area 185.
  • latching elements can be attached which can prevent the actuating section 43 and the screw 31 connected to it from being released.
  • the screw 31 On its side opposite the head 35, the screw 31 has the threaded section 191 with which the screw 31 can be screwed into the internal thread 147 of the receptacle 145 is. At its end 193 opposite the screw head 35, the screw 31 has an insulating tip 195.
  • the insulating tip 195 is formed from an electrically non-conductive material and can be held captive on the screw 31.
  • the tip 195 preferably does not protrude beyond a free end 197 of the housing part 171. In this way, contact protection on the side of the first conductor 9 can be formed by the tip 195 and by the housing part 171.
  • a distance 199 between the tip 195 and the housing part 171 is selected such that a finger cannot penetrate an area between the screw 31 and the housing part 171 to such an extent that an electrically conductive part of the screw 31 can be touched.
  • the above-described fixed connection of the screw head 35 to the electrically insulated actuation section 43 as well as the guidance of the same in the area 185 of the housing 47 are of particular advantage, since these features can prevent the screw 31 from being pushed when the screw 31 is pressed is deflected or tilted at its end 193 transversely to its longitudinal axis L, so that the distance 199 between the tip 195 and the housing part 171 is increased.
  • the arrangement 1 preferably has a sealing element 201 which encloses a cable insulation 78 of the first conductor 9 and thus seals the housing 47 in the area in which the conductor 9 is led out of the housing 47. Together with the sealing element 189 between the electrically insulated actuation section and the housing 47, the housing 47 is therefore only open to the outside in the area of the chamber 19.
  • the electrically conductive parts such as the screw 31, the contacting element 97 and the end section 87 are preferably only accessible through an area surrounded by the housing part 171.
  • the housing 47 also has a receiving slot 203 running around the housing part 171 for receiving the outer wall 161 of the touch guard 5, but the base 205 of the receiving slot 203 is closed so that the electrically conductive parts of the pressing adapter 3 are not accessible from the receiving slot 203. If the contact protection 5 with the connecting piece 137 is accommodated in the chamber 19, the interior of the pressing adapter 3 or the electrically conductive elements arranged in the pressing adapter 3 can be sealed from the outside.
  • the contact protection 5 is first pushed into the chamber 19 in the direction of insertion E.
  • the outer wall 161 penetrates into the receiving slot 203, the housing part 171 into the guide slot 169 and the screw 31 into the receptacle 145.
  • the contacting element 97 penetrates through the contacting slot 67 and rests on the end 141 of the connecting piece 137.
  • the sleeve 153 penetrates with its free end into a receiving area 207 of the contacting element 97.
  • the receiving area 207 is arranged between the screw 31 and the rest of the contacting element 97.
  • the screw 31 is first received with its threaded section 191 in the sleeve 153.
  • the screw 31 When the touch guard 5 is pushed into the chamber 19, the screw 31 is displaced in the pushing-in direction E, so that the electrically insulated actuation section 43 can protrude from the area 185 of the housing 47.
  • the pressing member 29 can be actuated by screwing the screw 31 into the receptacle 145.
  • a tool that is complementary to the electrically insulated actuation section 43 can be used.
  • the electrically isolated actuation section 43 is preferably sunk in the housing 47.
  • the contacting element 97 is pressed against the connecting piece 137 by the pressing member 29. This creates an electrically conductive connection between the first conductor 9 and the second conductor 13.
  • the electrically conductive parts of the arrangement 1, in particular the connecting piece 137, the screw 31, the contacting element 97 and the cable lug 17 are sealed to the outside by the sealing elements 175, 189 and 201 and by the connection between the outer wall 161 and the base 139.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (13)

  1. Ensemble (1) pour le raccordement d'un premier conducteur électrique (9) à un second conducteur électrique (13), comprenant un adaptateur à enfoncer (3) qui présente un logement (7) pour le premier conducteur (9) et au moins un organe à enfoncer (29) pouvant être actionné de l'extérieur, et présentant une protection contre le toucher (5) en forme de boîtier avec un logement (11) pour le second conducteur (13), la protection contre le toucher (5) pouvant être insérée dans une chambre (19) de l'adaptateur de pression de contact (3) le long d'une direction d'insertion (E) et présentant au moins une fente de contact (67) s'étendant parallèlement à la direction d'insertion (E), qui libère un espace intérieur (69) de la protection contre le toucher (5) pour l'établissement d'un contact avec l'extérieur, caractérisé en ce que le au moins un élément de pression de contact (29) présente une section d'actionnement (43) isolée électriquement du reste de l'élément de pression de contact (29) pour l'actionnement de l'élément de pression de contact (29), et en ce que la protection contre le toucher (5) est fermée à une extrémité avant (71) orientée dans la direction d'insertion (E).
  2. Ensemble (1) selon la revendication 1, dans lequel l'élément de pression (29) est maintenu de manière captive sur l'adaptateur de pression (3).
  3. Ensemble (1) selon les revendications 1 ou 2, avec un élément mobile de répartition des forces (55) sur lequel agit l'organe de pression (29).
  4. Ensemble (1) selon la revendication 3, dans lequel l'élément mobile de répartition des forces (55) est maintenu de manière imperdable sur l'organe de pression (29) et/ou sur l'adaptateur de pression (3).
  5. Ensemble (1) selon l'une des revendications 1 à 4, avec un boîtier (47) isolé électriquement au moins de l'adaptateur de pression (29), la partie d'actionnement (43) isolée électriquement du au moins un élément de pression (29) étant accessible de l'extérieur.
  6. Ensemble (1) selon l'une des revendications 1 à 5, avec un premier conducteur (9) reçu dans le logement (7) de l'adaptateur de pression de contact (3) et un second conducteur (13) reçu dans le logement (7) de la protection contre le toucher (5), dans lequel le premier conducteur (9) est formé par un rail conducteur (15) au moins dans une section terminale (87) disposée dans le logement (7) et le second conducteur (13) est formé par une cosse de câble (17) au moins dans une section terminale (19) disposée dans la protection contre le toucher (5), ou vice versa.
  7. Ensemble (1) selon la revendication 6, dans lequel, lors de l'insertion de la protection contre les contacts (5) dans la chambre (19), au moins un élément de contact (97) relié au premier conducteur (9) est maintenu en prise par friction dans la fente de contact (67) au nombre à l'aide d'au moins un élément de pression (29) au niveau du second conducteur (13).
  8. Ensemble (1) selon les revendications 6 ou 7, dans lequel le premier conducteur (9) présente une partie d'extrémité (87) qui a un profil en forme de U dans une section transversale à la direction d'insertion (E), et dans lequel les branches 101 du profil en forme de U peuvent être pressées contre le second conducteur (13) par au moins deux fentes de contact (67) sous l'action de l'élément de pression (29).
  9. Ensemble (1) selon l'une des revendications 1 à 5, comportant une pièce de raccordement (137) électriquement conductrice, qui peut être fixée sur le second conducteur (13), qui est entourée au moins par endroits par une paroi extérieure (161) de la protection contre le toucher (5) en forme de boîtier et qui comporte un logement (145) pour l'élément de pression de contact (29), qui est réalisé de manière complémentaire à l'élément de pression de contact (29), dans lequel l'élément de pression (29) peut être inséré dans le logement (145) parallèlement à la direction d'insertion (E), dans lequel la fente de contact (67) s'étend au moins par sections autour du logement (145) pour l'élément de pression (29), et dans lequel une direction de profondeur (T) de la fente de contact (67) s'étend parallèlement à la direction d'insertion (E).
  10. Ensemble (1) selon la revendication 9, dans lequel la fente de contact (67) est délimitée par rapport au logement (145) pour l'élément de pression (29) par une douille (153) qui peut être insérée dans la pièce de raccordement (137) et qui est perméable à l'élément de pression (29) dans la direction d'insertion (E).
  11. Ensemble (1) selon les revendications 9 ou 10, dans lequel une fente de guidage (169) est disposée entre la pièce de raccordement (137) et la paroi extérieure (161) de la protection contre le toucher (5) en forme de boîtier, laquelle fente de guidage (169) s'étend concentriquement autour de la pièce de raccordement (137) et est conçue pour recevoir une partie de boîtier (171) de l'adaptateur de pression de contact (3).
  12. Ensemble (1) selon l'une des revendications 9 à 11, comportant un élément de contact (97) qui peut être relié au premier conducteur (9), qui est conçu de manière complémentaire à la fente de contact (67) et qui peut être pressé au moyen de l'organe de pression (29) à travers la fente de contact (67) contre la pièce de raccordement (137).
  13. Ensemble (1) selon la revendication 12, dans lequel l'élément de contact (97) est en forme de manchon et est pénétré par l'organe de pression (29) dans la direction d'insertion (E).
EP15781953.3A 2014-10-21 2015-10-21 Ensemble pour connecter deux conducteurs électriques Active EP3210260B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014221347.9A DE102014221347A1 (de) 2014-10-21 2014-10-21 Anordnung zur Verbindung zweier elektrischer Leiter
PCT/EP2015/074297 WO2016062736A1 (fr) 2014-10-21 2015-10-21 Ensemble pour connecter deux conducteurs électriques

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EP3210260A1 EP3210260A1 (fr) 2017-08-30
EP3210260B1 true EP3210260B1 (fr) 2020-10-07

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US (1) US10476180B2 (fr)
EP (1) EP3210260B1 (fr)
JP (1) JP6537604B2 (fr)
CN (1) CN107078409B (fr)
DE (1) DE102014221347A1 (fr)
WO (2) WO2016062476A2 (fr)

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Also Published As

Publication number Publication date
DE102014221347A1 (de) 2016-04-21
JP2017531906A (ja) 2017-10-26
US20170229789A1 (en) 2017-08-10
WO2016062476A2 (fr) 2016-04-28
CN107078409A (zh) 2017-08-18
CN107078409B (zh) 2020-04-28
EP3210260A1 (fr) 2017-08-30
US10476180B2 (en) 2019-11-12
JP6537604B2 (ja) 2019-07-03
WO2016062736A1 (fr) 2016-04-28

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