EP3874562B1 - Ressort de serrage pour une borne de connexion sans vis - Google Patents

Ressort de serrage pour une borne de connexion sans vis Download PDF

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Publication number
EP3874562B1
EP3874562B1 EP19797254.0A EP19797254A EP3874562B1 EP 3874562 B1 EP3874562 B1 EP 3874562B1 EP 19797254 A EP19797254 A EP 19797254A EP 3874562 B1 EP3874562 B1 EP 3874562B1
Authority
EP
European Patent Office
Prior art keywords
clamping
limb
contact
extension
conductor
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
EP19797254.0A
Other languages
German (de)
English (en)
Other versions
EP3874562A1 (fr
Inventor
Andreas Ramm
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.)
Bals Elektrotechnik GmbH and Co KG
Original Assignee
Bals Elektrotechnik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bals Elektrotechnik GmbH and Co KG filed Critical Bals Elektrotechnik GmbH and Co KG
Publication of EP3874562A1 publication Critical patent/EP3874562A1/fr
Application granted granted Critical
Publication of EP3874562B1 publication Critical patent/EP3874562B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details

Definitions

  • the present invention relates to a clamping spring for a screwless connection terminal for clamping a conductor, in particular for an electrical connector device.
  • Clamping springs for screwless connection terminals are known to have the advantage that a conductor to be electrically connected can be installed without the use of screwing means.
  • clamping springs have the function of clamping the wire ends of a conductor to be connected, which in principle can also be a single-core or multi-core power cable with a stranded wire, a solid wire or a conductor inserted in a ferrule, to a contact element.
  • there is an automatic adjustment to the respective cross-section of the conductor so that one and the same connection terminal can advantageously be used for flexible lines and cables of different dimensions and designs.
  • Connection terminals with clamping springs of the type described are used, among other things, in electrical connector systems designed for three-phase and/or alternating current, which consist of a plug part and a coupling part or a wall socket, for example appliance plugs, flange appliance plugs, surface-mounted appliance plugs, sockets and sockets, the requirements of which are also specified in the IEC standards 60309-1,-2 and EN 60309-1,-2 are used.
  • the applicant known screwless terminal has a contact element and a prestressed mounted on this, preferably designed as a cage clamp spring.
  • the contact element comprises a connection section with an electrical contact surface for making electrical contact with the conductor to be connected, and the clamping spring ensures that the conductor is clamped to the contact surface of the contact element and thus fixes the conductor.
  • the clamping spring has a contact leg, a clamping leg and a tensioning leg, which connects the contact leg to the clamping leg.
  • the clamp limb has a clamp opening through which the wire ends of the conductor are routed for clamping and the contact limb protrudes in a crossing manner.
  • the clamping leg has a conductor clamping extension which is aligned essentially parallel to the contact surface of the contact element and has a clamping surface.
  • the conductor to be connected should be clamped between a surface section of the clamping surface of the conductor clamping extension and the contact surface of the contact element.
  • the conductor clamping extension serves to improve the function of the cross-sectional area of a clamping leg in the clamping opening of conventional clamping springs.
  • this conductor clamping extension causes the conductor conductor profile to be pressed flat, thereby increasing the electrical contact surface and consequently reducing the ohmic resistance of the contact resistance.
  • a clamping spring according to the preamble of claim 1 is in DE 20 2011 103484 U1 disclosed. Another clamp spring is in DE 198 31 851 C1 disclosed.
  • the clamping spring according to the invention for a screwless connection terminal is initially designed according to the prior art mentioned at the outset in that the clamping spring has a clamping leg, a contact leg and a tensioning leg.
  • the tensioning leg is connected both to the clamping leg and to the contact leg, with the clamping leg and the contact leg crossing over one another. This crossing is designed in such a way that the clamping leg has a clamping opening through which the contact leg extends.
  • the contact leg is prestressed against an edge of the clamping opening remote from the tensioning leg, so that an exposed wire end of the conductor to be connected can be clamped to a contact surface of a contact element of a screwless connection terminal with the aid of the contact leg.
  • the clamping spring according to the invention comprises a clamping extension with a clamping surface, similar to the prior art mentioned at the outset.
  • the clamping extension according to the invention is designed completely differently and more advantageously than the prior art.
  • the clamping extension starts from the free end of the clamping leg that is remote from the clamping leg and initially extends away from the clamping leg, but then extends back in a substantially curved shape in the direction of the tensioning leg and is only then finally aligned in the direction of the contact leg.
  • Such a configuration of the clamping extension of the clamping spring has the advantage over the prior art mentioned above that the exposed wire end of an electrical conductor with the clamping spring according to the invention can be clamped more effectively, in particular significantly more stable and more efficient, lets get stuck.
  • the clamping spring according to the invention is equipped with two pressure areas. The first pressure area is located at the edge of the clamping opening of the clamping leg, in which the exposed wire end is clamped, ie the pressure exerted as a result of the clamping takes place on a small area.
  • the advantage here is that the small pressure-loaded surface can cut deeper into strands and, particularly in the case of a ferrule arranged on the exposed wire end of the conductor, into corresponding notches, so that the exposed wire end is clamped particularly firmly at this point, a very high tensile strength in the direction of insertion of the conductor or along the conductor and unintentional release from the clamped position is almost impossible.
  • the small pressure-loaded area is comparable to a knife blade due to its small cross-section and the resulting cutting effect, it is referred to below as a knife edge designated.
  • a further resulting advantage of the knife edge formed on the edge of the clamping opening is that the knife edge relieves the main strain on the pull-out forces of the clamping spring due to its strong clamping force and its correspondingly provided high tensile strength.
  • the second pressure area is located at the free end of the clamping extension, ie in the area of the clamping extension that adjoins the curved area of the clamping extension and is essentially aligned in the direction of the contact leg, and is referred to below as the clamping surface.
  • the exposed core ends of a conductor and in particular the stranded wires or fine wires are pressed flat onto a contact surface of a contact element by the clamping surface of the clamping extension.
  • the clamping spring according to the invention with a combination of the two pressure areas described above, ie the knife edge formed on the edge of the clamping opening and the clamping surface of the clamping extension, leads to a fast, safe and controlled electrical and also mechanical connection with a conductor.
  • the clamping spring according to the invention has been further developed as a result of the two pressure areas in particular in such a way that from the outset it is designed both for good transmission of the current and for a high tensile strength in the direction of insertion of the conductor or along the conductor.
  • the combination of the two pressure areas ensures that the exposed wire end does not bend during insertion into the clamping opening, as is possible in the case of only one pressure area, since the two pressure areas discussed above simultaneously ensure that the exposed wire end is clamped.
  • the design of the clamping extension of the clamping spring according to the invention is much easier and cheaper to produce than the prior art mentioned at the outset, in that the clamping extension extends directly from the free end of the clamping leg that is remote from the clamping leg, on the one hand, particularly in the case of a one-piece design of clamping leg and clamping extension, and on the other hand mechanically more stable.
  • the clamping extension is formed from a section of the clamping leg, namely from the clamping opening punched out of the clamping leg, either by bending a part that has been cut out in favor of the clamping opening, but still attached one side connected to the clamping leg portion of the clamping leg in a position parallel to the contact leg, or by completely punching out this section and then attaching it to the clamping leg.
  • a clamping extension produced in this way is according to the EP 2 442 403 A1 designed as a clamping plate or sheet metal flag.
  • the clamping extension of the clamping spring according to the invention is not formed from an initially inner section of the clamping leg, but can be regarded as an extension of the clamping leg, so to speak.
  • the clamping extension of the clamping spring according to the invention can thus be compared to the EP 2 442 403 A1 have a larger cross-sectional area that is comparable to the clamping leg and are therefore designed to be more massive and mechanically more stable.
  • the clamping extension starting from the free end of the first leg that is remote from the clamping leg, is initially essentially semicircular in shape with a bulge pointing away from the clamping leg, before it then transitions in an arc shape into an area in which the clamping extension in the Is aligned substantially parallel to the contact leg.
  • the clamping extension is integrally formed on the clamping leg.
  • a one-piece design of the clamping leg and the clamping extension is mechanically very stable.
  • further processing steps such as screwing, soldering or Join, so that such a clamping extension can also be produced more quickly and thus more cost-effectively.
  • the clamping extension is not formed in one piece on the clamping leg, but is attached to the clamping leg by means of joining. Joining also includes a cohesive joining process such as welding or soldering. Such a configuration is particularly advantageous when the clamping leg and the clamping extension are made of different materials. A metal or a material with a high electrical conductivity and a high thermal conductivity is preferably used for the production of the clamping extension.
  • a further embodiment of the present invention provides that the clamping extension has the same material as the clamping spring. This enables a one-piece design of the clamping leg and the clamping extension, which is very stable from a mechanical point of view. Furthermore, because they are made from the same material, the clamping leg and the clamping extension also have the same material properties, such as the same electrical conductivity, the same specific resistance and the same thermal conductivity.
  • the clamping surface of the clamping extension has at least partially a surface profile.
  • This surface profiling can have a surface structuring similar to that of a pliers profile, so that the conductor to be connected rests with improved frictional engagement.
  • the electrical Contact resistance and heat transfer resistance further reduced by pressing these surface structures into the wire ends of the conductor.
  • a particularly effective mechanical connection with high tensile strengths between the wire ends of the conductor and the clamping extension is also achieved in the second pressure range of the clamping spring.
  • the wire ends of the conductor are not only clamped in the first pressure area, designed as a knife edge, between the edge of the clamping opening that is remote from the clamping leg and the contact surface of a contact element with a high tensile strength, but also with the help of the surface profiling of the clamping extension pressed profiled clamping surface with a high tensile strength to the contact surface of a contact element.
  • the clamping spring and/or the clamping extension is designed as a whole as a single stamped and bent part.
  • the clamping spring according to the invention used to connect the conductor to a contact element is made from a suitable electrically conductive material, usually metal, in a stamping and bending process.
  • a suitable electrically conductive material usually metal
  • an additional method step is used during the manufacturing process of the clamping spring, in which preferably a stamping and bending method is also used.
  • the clamping extension is formed directly from an end section of the clamping leg of the clamping spring that is significantly longer than that of conventional clamping legs of clamping springs, in that this extended end section is bent and aligned such that the extended end portion of the clamping leg according to the present invention first extends away from the clamping leg, then extends back in the direction of the clamping leg in a substantially curved shape and finally extends in the direction of the contact leg or in the assembled state is aligned to a contact element essentially parallel to the contact surface of the contact element.
  • the present invention also includes a screwless connection terminal for connecting an electrical conductor with the clamping spring according to one of the embodiments described above.
  • the screwless connection terminal also has a contact element to which the conductor is to be electrically connected and which has a connection section and a contact surface. The conductor to be connected is clamped between a surface section of the clamping surface of the clamping extension of the clamping spring and the contact surface of the contact element.
  • the clamping surface of the clamping extension and/or the contact surface of the contact element has at least partially a surface profile.
  • this surface profiling can have a surface structuring similar to that of a Have a pincer profile with the result that the conductor to be connected rests with improved frictional engagement.
  • the contact surface of the contact element can also have a surface profiling and lead to the same advantages as have already been explained with regard to a surface profiling of the clamping surface of the clamping extension.
  • a surface profiling of the contact surface of the contact element in addition to a surface profiling of the clamping surface of the clamping extension ensures an even further improved frictional connection when the conductor lies on it, since the outer surface of the conductor, which is clamped with a surface-profiled clamping surface, is larger in this case. This creates a particularly effective mechanical connection with very high tensile strength between the wire ends of the conductor and the clamping extension and the contact element.
  • the present invention also includes an electrical plug connection, which has at least one screwless connection terminal according to the invention, as mentioned above, with a clamping spring according to the invention.
  • An electrical plug connection with a connection terminal according to the invention and in particular with a clamping spring according to the invention has the same advantages over the prior art as is the case for the clamping spring according to the invention.
  • the Figures 1A to 1D show an embodiment of a bent clamping spring 1 in a profile view ( Figure 1A ), in a view from below in the direction of arrow C on the clamping spring 1 ( Figure 1B ), in a view towards the arrow A on the clamping spring Figure 1A and in perspective ( Figure 1D ), wherein the clamping spring 1 is designed as a cage tension spring 1 in the preferred embodiment shown, is preferably made of metal and has a clamping leg 7, a contact leg 8 and a tensioning leg 9. The clamping leg 7 and the contact leg 8 are connected to one another via the clamping leg 9, as in Figure 1A and 1D shown.
  • a clamping opening 6 is cut out in the clamping leg 7 of the cage clamp spring 1 ( Figure 1D ), which allows the clamping leg 7 and the contact leg 8 to cross over.
  • the exposed wire ends 2a of a conductor 2 which is in Figures 1A to 1D however, is not shown in the in Figure 1A shown insertion direction E are introduced.
  • the exposed wire ends 2a of a conductor 2 inserted into the clamping opening 6 then lie on the edge of the clamping opening 6 that is remote from the clamping arm 9, which represents a first pressure area with a small cross-section and acts as a knife edge due to its cutting effect on the exposed wire ends 2a 12, at ( Figure 1D ).
  • the clamping leg 7 also has a clamping extension 10 with a clamping surface 11, the clamping surface 11 forming a second flat pressure area.
  • the clamping extension 10 is formed in one piece on the clamping leg 7 , has the same material as the clamping leg 7 and can be regarded as an extension of the clamping leg 7 .
  • the clamping extension 10 starts from the free end of the clamping leg 7 that is remote from the clamping leg 9 and initially extends away from the clamping leg 9 and then essentially bent shape back in the direction of the clamping leg 9 to extend back, and is finally aligned in the direction of the contact leg 8 extending.
  • the essentially curved shape of the clamping extension is semicircular.
  • the clamping surface 11 of the clamping extension 10 is always oriented essentially parallel to the surface of the contact leg 8 and thus extends in the insertion direction E of a conductor 2 to be electrically connected (not in Figures 1A to 1D shown).
  • Figures 2A to 2D provide, according to one embodiment of the invention, a clamping spring 1 attached to a screwless connection element, here as a cage clamp 1 according to FIG Figures 1A to 1D formed with clamping leg 7, contact leg 8 and clamping leg 9, each with a contact element 5 in the form of a contact pin 5 and a contact sleeve or socket 5, which are mechanically plugged into one another and electrically connected.
  • Both the contact pin 5 and the contact sleeve 5 each have a connection section 3 with a contact surface 4, which is electrically connected to a conductor 2 by means of its exposed wire ends 2a.
  • Figure 2B shows a longitudinal section of the in Figure 2A shown arrangement, Figure 2C a perspective view and Figure 2D a cross section.
  • the exposed wire ends 2a of the conductor 2 are pressed flat on the one hand by the clamping surface 11 of the clamping extension 10 onto the contact surfaces 4 of the respective contact elements 5, as shown in FIG Figure 2B shown. Due to the large clamping surface 11 of the clamping extension 10, the contact surface claimed by the exposed wire ends 2a covers almost the entire usable electrical Contact surface 4 of the respective contact element 5 for resting ( Figure 2D ). This leads to a very good transmission of the current between the exposed wire end 2a of the conductor 2 and the contact surface 4 of the respective contact element 5, since larger electrical contact surfaces with low electrical losses are created.
  • the exposed wire ends 2a of the conductor 2 are clamped by the clamping extension 10 between the edge of the clamping opening 6 of the clamping leg 7, which is designed as a knife edge 12 and is remote from the clamping leg 9, and the contact surface 4 of the respective contact element 5, by the clamping extension 10 on exerts pressure on the edge of the clamping opening 6 of the clamping leg 7, which is designed as a knife edge 12 and is remote from the clamping leg 9 ( Figure 2C ).
  • the small pressure-loaded area at the edge of the clamping opening 6, which is referred to as a knife edge 12 due to its small cross-section and the resulting cutting effect, can penetrate deeper into strands and in the case of a ferrule arranged on the exposed wire end 2a of the conductor 2 Cut into corresponding notches so that the exposed wire end 2a is clamped particularly firmly, there is a high tensile strength in the direction of insertion E of the conductor 2 and consequently an unintentional release from the clamped position in the direction of insertion E of the conductor 2 is not possible.
  • the knife edge 12 relieves the main strain on the pull-out forces of the clamping spring 1 due to its strong clamping force and its correspondingly provided high tensile strength.
  • the simultaneous clamping of the exposed core end 2a on two pressure-loaded surfaces has the advantage that with one and the same clamping spring 1 both good transmission of the current and high tensile strength in the insertion direction E of the conductor 2 with simultaneous main strain relief through the formed knife edge 12 is made possible, while a clamping extension 10 according to the prior art with only one trained pressure area can be pronounced either for good transmission of the current or for high tensile strength in the insertion direction E of the conductor 2.
  • Figures 3A to 3D as well as in the Figures 4A to 4D is in each case an embodiment of a clamping spring 1 which is attached to a screwless connection element and is used as a cage clamp spring 1 according to FIG Figures 1A to 1D formed with clamping leg 7, 8 investment leg and clamping leg 9, with a case of the Figures 3A to 3D as a contact sleeve 5 and in the case of the Figures 4A to 4D Contact element 5 designed as a contact pin 5 is shown.
  • Figures 3B and 4B each show a longitudinal section of the corresponding Figures 3A and 4A shown arrangement, Figures 3C and 4C a perspective view and Figures 3D and 4D a cross section.
  • the cage clamp 1 is mounted on the contact element 5 in a prestressed manner.
  • the protruding section of the connection element 3 of the contact sleeve 5 ( Figures 3A to 3C ) or contact pin 5 ( Figures 4A to 4C ) is inserted through the clamping opening 6 in such a way that the protruding section of the connecting element 3 rests at least partially against the contact leg 8 of the cage clamp 1 and the clamping extension 10 also rests with its clamping surface 11 on the protruding section of the connecting element 3, provided that no conductor has yet been inserted.
  • the clamping leg 7 of the clamping spring 1 is in contact with the end face of the contact element 1 . This creates a non-positive connection and fixation of the cage clamp 1 on the contact element 5.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Cable Accessories (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (11)

  1. Ressort de serrage (1) pour une borne de connexion sans vis pour le serrage d'un conducteur (2),
    dans lequel le ressort de serrage (1) présente une branche de serrage (7), une branche d'appui (8) et une branche de tension (9), dans lequel la branche de tension (9) est reliée à la branche de serrage (7) et à la branche d'appui et la branche de serrage (7) et la branche d'appui (8) sont réalisées sous la forme de branches se croisant, dans lequel la branche de serrage (7) présente une ouverture de serrage (6), à travers laquelle la branche d'appui (8) passe, de sorte que la branche d'appui (8) s'applique de manière précontrainte sur un bord de l'ouverture de serrage (6) éloigné de la branche de tension (9), de sorte qu'une extrémité de brin dénudée du conducteur (2) peut être serrée à bloc sur une surface de contact (4) d'un élément de contact (5) d'une borne de connexion sans vis avec la branche d'appui (8),
    dans lequel la branche de serrage (7) présente un prolongement de serrage (10) avec une surface de serrage (11) ,
    caractérisé en ce que le prolongement de serrage (10) est réalisé de manière à s'étendre tout d'abord à partir de l'extrémité libre de la branche de serrage (7) éloignée par rapport à la branche de tension (9) à distance de la branche de tension (9), puis de manière à s'étendre à nouveau sous forme sensiblement courbée en direction de la branche de tension (9) et enfin en direction de la branche d'appui (8).
  2. Ressort de serrage (1) selon la revendication 1, caractérisé en ce que le prolongement de serrage (10) est réalisé à partir de l'extrémité libre de la branche de serrage (7) éloignée par rapport à la branche de tension (9) tout d'abord sensiblement en forme de demi-cercle avec une courbure opposée à la branche de tension (9) et ensuite est orienté de manière à passer de façon arquée sensiblement parallèlement à la branche d'appui (8).
  3. Ressort de serrage (1) selon la revendication 1 ou 2, caractérisé en ce que le prolongement de serrage (10) est formé d'une seule pièce sur la branche de serrage (7).
  4. Ressort de serrage (1) selon la revendication 1 ou 2, caractérisé en ce que le prolongement de serrage (10) est monté sur la branche de serrage (7) au moyen d'un assemblage, dans lequel l'assemblage peut également être un processus d'assemblage par liaison de matières tel que le soudage ou brasage.
  5. Ressort de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le prolongement de serrage (10) présente le même matériau que le ressort de serrage (5).
  6. Ressort de serrage (1) selon la revendication 1, caractérisé en ce que la surface de serrage (11) du prolongement de serrage (10) présente au moins en partie un profilage de surface.
  7. Ressort de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le ressort de serrage (5) et/ou le prolongement de serrage (10) est réalisé dans son ensemble sous la forme d'une seule pièce découpée et pliée.
  8. Ressort de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface de serrage 11 réalise une zone de pression plane et/ou l'extrémité de brin dénudée du conducteur (2) peut être pressée par la surface de serrage (11) du prolongement de serrage (10) à plat sur la surface de contact de l'élément de contact.
  9. Borne de connexion sans vis pour la connexion d'un conducteur électrique à un ressort de serrage (1) selon l'une quelconque des revendications 1 à 8, dans laquelle la borne de connexion présente un élément de contact (5), auquel le conducteur (2) est à connecter électriquement et lequel présente une partie de connexion (3) et une surface de contact (4), dans laquelle le conducteur (2) à connecter est à coincer entre une partie de surface de la surface de serrage (11) du prolongement de serrage (10) et la surface de contact (4) de l'élément de contact (5).
  10. Borne de connexion sans vis selon la revendication 9, caractérisée en ce que la surface de serrage (11) du prolongement de serrage (10) et/ou la surface de contact (4) de l'élément de contact (5) présente au moins en partie un profilage de surface.
  11. Connexon enfichable électrique, caractérisée en ce que celle-ci comprend au moins une borne de connexion sans vis selon la revendication 9 ou 10.
EP19797254.0A 2018-10-31 2019-10-30 Ressort de serrage pour une borne de connexion sans vis Active EP3874562B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018127284.7A DE102018127284A1 (de) 2018-10-31 2018-10-31 Klemmfeder für eine schraubenlose Anschlussklemme
PCT/EP2019/079609 WO2020089277A1 (fr) 2018-10-31 2019-10-30 Ressort de serrage pour une borne de connexion sans vis

Publications (2)

Publication Number Publication Date
EP3874562A1 EP3874562A1 (fr) 2021-09-08
EP3874562B1 true EP3874562B1 (fr) 2022-10-12

Family

ID=68424895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19797254.0A Active EP3874562B1 (fr) 2018-10-31 2019-10-30 Ressort de serrage pour une borne de connexion sans vis

Country Status (8)

Country Link
US (1) US11336035B2 (fr)
EP (1) EP3874562B1 (fr)
CN (1) CN112997363A (fr)
BR (1) BR112021008317A2 (fr)
DE (1) DE102018127284A1 (fr)
ES (1) ES2932608T3 (fr)
PL (1) PL3874562T3 (fr)
WO (1) WO2020089277A1 (fr)

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DE3514099C2 (de) * 1985-04-16 1994-11-17 Wago Verwaltungs Gmbh Verbindungsklemme für elektrische Leiter
DE19753078C2 (de) * 1997-11-29 1999-09-30 Lumberg Karl Gmbh & Co Elektrische Anschlußklemme, insbesondere Anreihklemme
DE19831851C1 (de) * 1998-07-16 2000-02-10 Harting Kgaa Einrichtung zum Anschluß von Lichtwellenleiterkabeln
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BR112021008317A2 (pt) 2021-08-03
PL3874562T3 (pl) 2023-01-30
DE102018127284A1 (de) 2020-04-30
US20210376497A1 (en) 2021-12-02
EP3874562A1 (fr) 2021-09-08
US11336035B2 (en) 2022-05-17
CN112997363A (zh) 2021-06-18
ES2932608T3 (es) 2023-01-23
WO2020089277A1 (fr) 2020-05-07

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