EP0893845B1 - Contact à déplacement d'isolation ainsi que bornier ou module et barette comportant un contact à déplacement d'isolation - Google Patents

Contact à déplacement d'isolation ainsi que bornier ou module et barette comportant un contact à déplacement d'isolation Download PDF

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Publication number
EP0893845B1
EP0893845B1 EP98112294A EP98112294A EP0893845B1 EP 0893845 B1 EP0893845 B1 EP 0893845B1 EP 98112294 A EP98112294 A EP 98112294A EP 98112294 A EP98112294 A EP 98112294A EP 0893845 B1 EP0893845 B1 EP 0893845B1
Authority
EP
European Patent Office
Prior art keywords
contact
spring
insulation displacement
sides
legs
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.)
Expired - Lifetime
Application number
EP98112294A
Other languages
German (de)
English (en)
Other versions
EP0893845A3 (fr
EP0893845A2 (fr
Inventor
Klaus-Dieter Burmeister
Norbert Gaertner
Stefan Wildner
Wolfgang Edelmann
Hans-Dieter Otto
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP0893845A2 publication Critical patent/EP0893845A2/fr
Publication of EP0893845A3 publication Critical patent/EP0893845A3/fr
Application granted granted Critical
Publication of EP0893845B1 publication Critical patent/EP0893845B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives

Definitions

  • the invention relates to an insulation displacement contact, which in the Connection technology used to connect two copper wires is, as well as a terminal block or a connection module and a terminal block with at least one insulation displacement contact.
  • IDC contacts are generally used to connect electrical conductors, what by penetrating one Isolation and subsequent contacting of the wire core of the leader is reached. Especially when the conductors or wires to be connected are comparatively thick, are responsible for the penetration and contacting described Wire core of the veins comparatively high forces and thus a stable design of the insulation displacement contact required.
  • a so-called front wiring terminal is in the DE 195 41 137 A1 discloses and has pivotable contact clips to which in a complex way a comparative narrow, with her thighs parallel to the Contact legs extending over-spring to support the Clamp can be attached.
  • the arrangement shown is however, due to the pivotable attachment of the Contact bracket complicated and moreover due to the moving elements prone to failure.
  • the prior art Known insulation displacement contacts the invention is the The task is to create an insulation displacement contact that has a small width in the direction of division and at the same time for a reliable penetration of the Isolation of the connected conductors and contacting the Wire soul provides.
  • the insulation displacement contact should be reliable work and moreover in a simple way in one Housing can be installed.
  • the insulation displacement contact according to the invention has a contact spring with two resilient contact legs, that limit a contact slot.
  • the contact spring separate component is a U-shaped force spring intended.
  • the material of the Contact leg and the material of the power spring ideal for the requirements placed on these components be adjusted.
  • the contact legs a material with good electrical conductivity be used.
  • the power spring is more advantageous Way used a material with good spring properties.
  • the contact can be made compact overall be made comparatively small by making the contact legs be designed, which is possible because the to Contact required force from the disconnected Force spring is applied. This can be designed and be arranged so that due to the intended good Spring properties the contact leg in the direction of Contact slot squeezes that a reliable Functionality is ensured.
  • the use of a separate power spring also provides significant advantages in terms of manufacturing the so-called contact spring, which the two contact legs contains.
  • the contact slot between the two Contact legs can namely with relatively coarse Manufacturing tolerances are made by punching. This results, for example, in contrast to one Cutting the sheet by cutting, neatly trained Edge.
  • the width of the contact slot essentially becomes controlled by the force applied by the power spring and is less dependent on manufacturing tolerances.
  • the power spring pushes the contact legs out of one Starting position together to a certain extent, so that a desired width of the contact slot is established.
  • the fact that the power spring, so to speak, the contact legs compressing against their spring force is to deform the Back against the force of the power spring their initial state is a comparatively small force required so that thin wires can be contacted, without the risk that they will be cut.
  • comparatively thick wires are contacted should also be thicker for the severing trained insulation required a high force that after spreading the contact legs over their Initial state through the power spring and in one is applied to a certain extent by the contact spring.
  • the contact according to the invention thus advantageously has a special spring characteristic and is for a large one Range of veins of thinner and thicker training usable.
  • Insulation displacement contacts run the legs of the power spring, which can also be called feather legs, largely perpendicular to insulation displacement areas of the Contact legs and embrace them.
  • the contact leg formed contact spring and one separate power spring reached the Contact leg and the power spring so designed and be arranged so that the contact edges of the contact legs, which form a contact slot, even when the Contacts, for example when connecting wires, in parallel stay together. This is done by targeting the Leg of the power spring perpendicular to the direction of the Contact leg reached. Designed in this orientation the connection of the contact and the Power spring for transferring the spring forces is particularly easy.
  • the contact legs in one of their ends distant area are angled.
  • the contact legs on the contact spring usually are integrally formed. In a way, they're in one Place that is away from their ends with each other connected so that at this point the by the Contact leg limited contact slot ends. If now in the contact according to the invention in the area between the front end of the contact legs and their connection point an angle, preferably by approximately 90 °, is provided, so the power spring with its perpendicular to the Contact legs extending legs on the front Areas of the contact legs are attached such that the contact slot when the Contact leg opens.
  • the power spring on this front area of the contact leg is attached in such a way that her legs are largely perpendicular to the Contact legs run, so there is a good one Support the opening movement of the contact legs in that this is largely parallel alignment diverge.
  • This is particularly advantageous if two conductors at the same time, i.e. in one contact slot one behind the other or one above the other. With yourself V-shaped opening contact causes the closer to conductor arranged at the end of the contact leg is less strong being clamped and contacted while for the bottom conductor the danger is that his wire soul is too strong is cut.
  • the U-shaped power spring largely has plate-shaped legs, which the insulation displacement areas the contact leg over a longer area with In other words, over a certain amount of time Reach around the contact slot extending width.
  • this Embodiment can be a particularly stable and even distributed force support of the contact spring reached become.
  • a second embodiment of the invention is correct the trained separately from the contact legs Force spring with the first embodiment.
  • the legs of the power spring however largely parallel to the contact legs, the Contact leg between the legs of the power spring like this continued to penetrate the power spring.
  • This allows a particularly compact design of the Insulation displacement contact can be achieved. This points especially only two contact legs and is firm arranged.
  • the contact legs themselves or the component on which they are formed with good electrical conductivity.
  • the for the reliable contacting of the wires required force is generated by the separate power spring applied with a material with good spring properties, these in a space-saving manner on the contact legs is appropriate.
  • the legs of the U-shaped power spring run, so to speak, directly on the outer edges of the Contact legs and are transverse to the contact legs aligned.
  • the legs of the power spring can also be used here at least partially penetrated by the contact legs his. This penetration is especially for the floor, So the area between the legs, the power spring in front.
  • the U-shaped power spring requires just as much as the first embodiment in a direction to the side of the Outside edges of the contact legs little space, so that a low pitch for terminals with such Insulation displacement contact can be achieved.
  • For one reliable contacting of inserted wires can separate power spring made of a suitable material Provide the necessary force.
  • connection point between the power spring and the contact legs can be in Form a recess of the contact legs on their Realize outer edges. In these recesses can Engage the legs of the power spring and for the positive Provide connection.
  • the Force spring and the contact spring are loose from each other, i.e. that it is not intended to be outside of a housing be firmly connected.
  • the Force and the contact spring with regard to their position by a Housing or a housing chamber functional positioned.
  • Cutouts on the outer edges of the contact legs and the areas of the interacting with these recesses Force spring can be omitted, the construction of the two Elements particularly simple. The required location assignment is guaranteed by areas of the housing in which the Force and the contact spring are introduced.
  • the contact legs with respect to a direction perpendicular to offset and / or twisted in their planar extent are arranged to each other.
  • a transfer means in this connection that the two contact legs on slightly spaced apart locations along the Length of an inserted wire. Under twisting is too understand that the respective sheet metal surfaces of the Contact legs are not in a common plane. Rather, they are at an angle to each other due to the rotation. If necessary, the two contact legs can both be offset as well as twisted to each other.
  • the Contact legs have an insertion opening that with Cutting edges is provided. This is so-called pre-cutting edges that do not contact the Wire soul serve, but the insulation already at Partially tear open the wires.
  • Corresponding cores can have advantages on the reliability of insulation penetration and the contacting of the wire core can be obtained.
  • FIGS Drawings illustrated embodiments explained in more detail.
  • a so-called contact spring 12 on the one hand and a separate power spring 14 on the other hand extend from one Base section 16 of the contact spring 12 in front of a first Bending 18 two largely parallel to each other Contact leg 20. These two contact legs 20 are in their course up to their front ends 22 again angled. In the area between the second bend 24 and the front end 22 are the two contact legs 20 gripped laterally by the U-shaped power spring 14.
  • the two Contact leg 20 each have a recess on its outer edge 26 in which the stepped ends of the two legs 28 of the power spring 14 are used. This results in a positive connection between the power spring 14 and the contact spring 12.
  • FIG. 1 The embodiment shown in FIG. 1 is concerned is the embodiment of the invention in which the Contact legs 20 largely perpendicular to the legs 28 the power spring 14 run. As can be seen from the figure is, the areas of the contact legs 20 that are between the bend 24 and the front end 22 are largely aligned horizontally. In contrast the legs 28 of the force spring 24 extend for this purpose largely vertical.
  • the two Exercised contact leg 20 When introducing a vein in the Contact slot 30 at the front ends 22 of the Contact leg 20 becomes a force on the two Exercised contact leg 20, which spreads this outwards. This spread must be against the spring force of the contact legs 28 take place, which compresses the contact legs 20.
  • the contact legs 28 Due to the fact that the contact legs 28 have a certain width, namely in the area of the extension of the respective recess 26, on the outer sides of the Contact leg 20 abut, and due to the fact that the contact legs 20 are angled at the point 24, the contact legs remain in a spread state largely parallel to each other.
  • the contact legs 20 were namely in the area of the point 24 connected, they would endeavor to (in seen from the top view) open in a V-shape. In the shown Embodiment takes place such a V-shaped opening however for the contact legs 20 only in the area between the Bend 24 and the point near the second Angle 18 at which the contact slot ends, and the two contact legs 20 in the common base section 16 pass over.
  • the power spring 14 including their Leg 28 a certain length to form Legs 28 and a connector between the Has legs that are largely plate-shaped. As mentioned, this can result in a widely distributed application the external power support to the two Contact legs 20 are guaranteed.
  • Fig. 1 is also shown that the ends 22 of the contact legs 20 as Insertion opening for the contact slot 30 is formed obliquely are, so that there is a gentle introduction of veins.
  • the contact slot has a narrow area between the end 22 and the bend 24 and one wider area between the bends 24 and 18.
  • the contact 10 according to FIG. 2 is a second embodiment of the insulation displacement contact 10 according to the invention shown.
  • the contact 10 according to FIG. 2 also has one Contact spring 12, which is formed by a separately Force spring 14 is encompassed to a certain extent.
  • the contact spring 12 is regarding the contact slot and the front Ends 22 of the two contact legs 20 to the contact spring 12 designed similarly, with the exception that the contact legs 20 are not angled. Rather, it is located at the Contact spring 12 only a single bend 18 between a base section 16 and the contact legs 20.
  • the contact spring 12 is more advantageous Way of an electrically highly conductive material trained, which is not necessarily good Has spring properties.
  • the contact legs 20 are from the outside through the veins separate power spring 14 made of a material with good Wrapped around spring properties.
  • the power spring 14 also with a certain Longitudinal extension formed so that both the legs 28th as well as the connection 32 between the two legs 28 are plate-shaped.
  • the slots 34 end a certain distance in front of the Top edge of the power spring 14, so that in the end regions of the Contact legs 28 continuous surfaces are formed with which the two contact legs 28 in recesses 26 of Contact legs 20 are connected to these.
  • FIG. 3 additionally shows how the one in FIG. 1 Embodiment shown an opening of the Contact slot 30 with a parallel arrangement of the two Contact leg 20 takes place.
  • the schematic top view shows that those areas of the contact legs 20, the between the bend 18 and shown in Fig. 1 the second bend 24 and run according to the 3 largely perpendicular to Extend the drawing plane, open in a V-shape.
  • the areas of Contact leg 20 in front of the bend 24 follow the Movement of the respective points 24 so that they - with Support by the power spring 14 - parallel to each other stay.
  • the contact legs 20 largely occur parallel alignment to each other in the direction of arrows A or A 'apart so that for two introduced one after the other Veins 36 have a contact slot 30, which is largely is the same size.
  • Fig. 4 shows schematically a preferred arrangement of the two Contact legs 20 to each other.
  • the cross-sectional view is to recognize that the two contact legs 20 with respect a direction B in which an inserted wire runs, are offset from one another. This allows favorable for certain applications Achieve contacting properties.

Landscapes

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

Claims (13)

  1. Contact à déplacement d'isolant, comportant
    un ressort de contact (12) comportant deux branches de contact élastiques (20), qui délimitent une fente de contact (30), et
       caractérisé par
    un ressort de force en forme de U (14),
    qui est agencé sous la forme d'un composant séparé du ressort de contact (12), et
    dont les branches (28) s'étendent dans une large mesure perpendiculairement aux zones de déplacement d'isolant des branches de contact (20) et entourent ces dernières pour la transmission des forces du ressort.
  2. Contact à déplacement d'isolant selon la revendication 1, caractérisé en ce que les branches de contact (20) sont coudées dans une zone (24) éloignée de leur extrémité (22) de telle sorte qu'à l'aide du ressort de force (14), également lors de l'ouverture de la fente de contact (30), les arêtes de contact, qui délimitent la fente de contact, s'étendent au moins par endroits dans une large mesure en étant parallèles entre elles.
  3. Contact à déplacement d'isolant selon la revendication 1 ou 2, caractérisé en ce que le ressort de force en forme de U (14) possède des branches (28), qui sont dans une large mesure en forme de plaques et enserrent les zones de déplacement d'isolant des branches de contact (20), sur une zone plus longue.
  4. Contact à déplacement d'isolant, comportant,
    un ressort de contact (12) possédant deux branches de contact élastiques (20), qui délimitent une fente de contact (30), et
       caractérisé par
    un ressort de force en forme de U (14),
    qui est agencé sous la forme d'un composant séparé du ressort de contact (12), et
    dont les branches (28) sont dans une large mesure parallèles aux branches de contact (20), les branches de contact (20) s'étendant, au moins dans la zone (32), entre les branches (28) du ressort de force (14), de manière à traverser le ressort de force (14).
  5. Contact à déplacement d'isolant selon au moins l'une des revendications précédentes, caractérisé en ce que les branches de contact (20) et les branche (28) du ressort de force (14) sont reliées selon une liaison par formes complémentaires.
  6. Contact à déplacement d'isolant selon au moins l'une des revendications précédentes, caractérisé en ce que les branches de contact (20) évidées, au niveau de leurs bords extérieurs, pour un engrènement avec les branches (28) du ressort de force (14).
  7. Contact à déplacement d'isolant selon au moins l'une des revendications précédentes, caractérisé en ce que le ressort de force (14) peut être encliqueté sur le ressort de contact (12).
  8. Contact à déplacement d'isolant selon au moins l'une des revendications 1 à 4, caractérisé en ce que le ressort de force (14) et le ressort de contact (12) sont prévus séparément l'un de l'autre et, quant à leur position, sont positionnés, d'une manière correspondant au fonctionnement, par un boítier ou une chambre de boítier.
  9. Contact à déplacement d'isolant selon au moins l'une des revendications précédentes, caractérisé en ce que les branches de contact (20) sont disposées de manière à être décalées et/ou pivotées l'une par rapport à l'autre, dans une direction perpendiculaire à leur étendue dans le plan de leur surface.
  10. Contact à déplacement d'isolant selon au moins l'une des revendications précédentes, caractérisé en ce que les branches de contact (20) pourvues de leurs extrémités avant (22) sont agencées en forme d'entonnoir, sans arêtes de coupe.
  11. Contact à déplacement d'isolant selon au moins l'une des revendications 1 à 8, caractérisé en ce que les branches de contact (20) comportent, sur leurs extrémités avant (22), des arêtes de coupe formées dans la zone de l'ouverture.
  12. Barrette ou module de raccordement comportant au moins un contact à déplacement d'isolant selon au moins l'une des revendications précédentes.
  13. Borne de raccordement comportant au moins un contact à déplacement d'isolant selon au moins l'une des revendications 1 à 11.
EP98112294A 1997-07-25 1998-07-02 Contact à déplacement d'isolation ainsi que bornier ou module et barette comportant un contact à déplacement d'isolation Expired - Lifetime EP0893845B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732182A DE19732182C1 (de) 1997-07-25 1997-07-25 Schneidklemm-Kontakt sowie Anschlußleiste oder -modul und Reihenklemme mit einem Schneidklemm-Kontakt
DE19732182 1997-07-25

Publications (3)

Publication Number Publication Date
EP0893845A2 EP0893845A2 (fr) 1999-01-27
EP0893845A3 EP0893845A3 (fr) 2000-07-26
EP0893845B1 true EP0893845B1 (fr) 2002-06-12

Family

ID=7836962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112294A Expired - Lifetime EP0893845B1 (fr) 1997-07-25 1998-07-02 Contact à déplacement d'isolation ainsi que bornier ou module et barette comportant un contact à déplacement d'isolation

Country Status (5)

Country Link
US (1) US6027361A (fr)
EP (1) EP0893845B1 (fr)
AT (1) ATE219299T1 (fr)
DE (2) DE19732182C1 (fr)
ES (1) ES2178081T3 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
EP3024093A1 (fr) 2014-11-21 2016-05-25 TE Connectivity Nederland B.V. Dispositif de contact à déplacement d'isolation
EP3293827A1 (fr) 2016-09-07 2018-03-14 TE Connectivity Nederland B.V. Dispositif de contact autodénudant et procédé permettant de connecter électriquement un câble comportant une gaine et conducteur ayant un tel dispositif

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US5453028A (en) * 1994-05-11 1995-09-26 Molex Incorporated Electrical connector
DE19541137A1 (de) * 1995-10-30 1997-05-07 Wago Verwaltungs Gmbh Elektr. Frontverdrahtungsklemme

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3024093A1 (fr) 2014-11-21 2016-05-25 TE Connectivity Nederland B.V. Dispositif de contact à déplacement d'isolation
EP3293827A1 (fr) 2016-09-07 2018-03-14 TE Connectivity Nederland B.V. Dispositif de contact autodénudant et procédé permettant de connecter électriquement un câble comportant une gaine et conducteur ayant un tel dispositif

Also Published As

Publication number Publication date
ATE219299T1 (de) 2002-06-15
US6027361A (en) 2000-02-22
EP0893845A3 (fr) 2000-07-26
DE59804396D1 (de) 2002-07-18
DE19732182C1 (de) 1999-03-25
ES2178081T3 (es) 2002-12-16
EP0893845A2 (fr) 1999-01-27

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