EP2932563B1 - Élément de contact - Google Patents

Élément de contact Download PDF

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Publication number
EP2932563B1
EP2932563B1 EP13750029.4A EP13750029A EP2932563B1 EP 2932563 B1 EP2932563 B1 EP 2932563B1 EP 13750029 A EP13750029 A EP 13750029A EP 2932563 B1 EP2932563 B1 EP 2932563B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact element
layer
side end
plug
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
EP13750029.4A
Other languages
German (de)
English (en)
Other versions
EP2932563A1 (fr
Inventor
Reza HOSSAINI
Matthias Haucke
Markus Ofenloch
Peter Kraemer
Ufuk TUEY
Mohamed Aboulkassem
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
Original Assignee
TE Connectivity Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TE Connectivity Germany GmbH filed Critical TE Connectivity Germany GmbH
Publication of EP2932563A1 publication Critical patent/EP2932563A1/fr
Application granted granted Critical
Publication of EP2932563B1 publication Critical patent/EP2932563B1/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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • 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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case

Definitions

  • the invention relates to a contact element made of an electrically conductive contact material for producing an electrically conductive connection, with a plug-side end for mating with a complementary mating contact element, in particular a socket, and a conductor-side end to which an electrical conductor can be fastened, wherein a plug-side cross section of Contact element is greater than a conductor-side cross-section, wherein at the plug-side end at least one envelope of the contact material is present, wherein at the plug-side end of the contact element by the envelope formed from at least two contact layers multilayer region of the contact material is formed, and wherein the plug-side end at least one projecting latching tongue extends in the direction of the conductor-side end, wherein the latching tongue has a foot at the plug-side end and a free latching tongue end at the ladder-side end, and with a reinforcement region which extends behind the multilayer region in the direction of the conductor-side end, wherein the reinforcing region is formed from at least two reinforcing layers.
  • Contact elements in particular plugs, have long been known and are used in numerous electrical and electronic devices. Contact elements are usually heavily stressed by repeated attachment to and release from a mating contact element, so that they must have on the plug side a stress sufficient strength. This is usually realized by a sufficiently high material thickness at the plug end. At the conductor end, on the other hand, it is necessary for the contact element to have a small material thickness in order to be connected to a conductor, e.g. To connect by pressing methods such as crimping.
  • contact elements have been made by being made from one piece of starting material by means of exciting methods, e.g. Milling be shaped.
  • the resulting surfaces often still have to be smoothed and / or coated.
  • This production method requires many production steps, consumed by the removal of much material and is therefore complicated and expensive.
  • the reinforcing region has at least one securing element for preventing the bending of the latching tongue in the direction of the contact element.
  • the contact element Due to the simple structure of the contact element this is inexpensive to manufacture. It also has the required strength for repeated bonding and loosening, and can be made in different dimensions using the same starting material.
  • the reinforcing layers in the reinforcing region can provide additional stability to the contact element. By the securing element can be prevented that the latching tongue is bent back into the contact element.
  • the contact element may have an elongated basic shape. It has a plug-side end for mating with a complementary mating contact element, in particular a socket, and a conductor-side end to which an electrical conductor can be fastened.
  • cables or strip conductors can be used as conductors.
  • the conductors can be attached to the conductor-side end of the contact element by common methods. In particular, they can be soldered or pressed by crimping to the conductor end. For crimping, a lower material thickness is required at the conductor-side end than at the plug-side end, therefore the conductor-side end can be formed from only one layer of the contact material.
  • the contact material may be selected so that the desired type of connection, in particular crimping, can be realized without having to change the material thickness of the contact material in an initial shape by machining processes.
  • the invention provides that at least one envelope of the contact material is present.
  • the envelope may be formed from the contact material by bending, bending or other suitable method.
  • a continuous and smooth contact region for the repeatedly detachable connection with a complementary mating contact element can extend on the outer sides of the outer contact layers of the multilayer region.
  • the plug-side cross section mentioned at the beginning is measured through the multilayer region perpendicular to a surface of the contact region.
  • the plug-side cross-section is larger than the conductor-side cross-section, which is determined by the thickness of the contact material.
  • the plug-side cross section of the contact element through the multilayer region can be at least twice as large as the conductor-side cross section.
  • the plug-side end is difficult to deform and well suited for repeated loosening and fastening of the contact element.
  • the continuous and smooth contact area is particularly advantageous since it is free of disturbances such as e.g. Burrs, folds or welds is.
  • the contact element can thus be easily assembled with the complementary mating contact element.
  • the contact area is continuous and contains no constrictions or openings, it can be avoided that damage caused by overheating due to high current densities in narrow areas of the contact area.
  • the envelope may be tapered in a plugging direction.
  • the rejuvenation can be pointed or rounded.
  • the rounded taper is particularly advantageous for a contact element because it has no burrs, welds or similar imperfections. It is essentially smooth and can therefore be inserted particularly easily into a mating contact element, such as e.g. a socket are inserted.
  • the envelope may form a head of the contact element.
  • the taper may be formed from a sequence of multiple edges.
  • the sequence of edges can be designed so that the tip is well suited for easy insertion into a mating contact element.
  • the at least one spacer by which the at least two contact layers of the multilayer region are held spaced from one another. Due to the size of the spacers, the number of contact layers and the thickness of the contact material, the cross section of the contact element may be determined at the plug end.
  • the at least one spacer may be formed from at least one deformed region of the contact material. This is particularly advantageous because in the manufacture of the contact element no additional components must be added, but the spacer can be formed directly from the contact material by suitable techniques such as bending or other forming processes.
  • the at least one spacer may be formed from at least one deformed edge of a contact layer of the multilayered region, wherein the deformed edge may be adjacent to an adjacent contact layer.
  • This shape of the spacer is particularly advantageous since it is located at the edge of the multi-layer area, whereby the largest possible continuous contact area is formed.
  • At least one of the contact layers may have at least one closure element which, in an assembled state, is positively accommodated in at least one associated complementary recess on another layer of the multilayer region, in particular on an adjacent contact layer.
  • the closure elements can prevent bending of the contact element after manufacture. This is particularly advantageous because it allows a long life and frequent use of the contact element.
  • the at least one closure element can be pressed by friction with an associated recess.
  • a frictional pressing of a closure element with an associated recess is particularly advantageous because it can be dispensed with complex connection techniques such as soldering or welding.
  • At least one closure element and / or its associated recess may be tapered in the direction of the associated recess. This embodiment facilitates the frictional pressing of the closure element with the associated recess in the manufacturing process.
  • the latching tongue can be formed from a contact layer of the multilayered area.
  • the latching tongue can be arranged in particular at an angle between 0 ° and 90 ° to a surface of the single-layer area at the conductor-side end.
  • the contact element may have at least one support element which extends from the plug-side end in the direction of the conductor-side end and bears against the surface of another contact layer, in particular an adjacent one.
  • the support element can in particular Keep an open end of a contact layer of the multi-layered area at a distance from the adjacent contact layer. It therefore contributes to the stability of the plug end.
  • the at least one support element can abut with its conductor-side end in an area between the foot and the free latching tongue end of the latching tongue on the surface of the single-layer area. This is particularly advantageous since the support elements maintain the spacing of the contact layers in the multilayer region even when a pressure is exerted on the latching tongue.
  • the reinforcing region may comprise at least one further envelope of the contact material, wherein the further envelope may be formed by folding the contact material in a direction other than the envelope of the multilayer region, and the at least two reinforcing layers may be joined by the at least one further envelope.
  • This at least one envelope additionally increases the stability. The production of the reinforcing layers by folding can be easily and therefore incorporated inexpensively in the manufacturing process of the contact element.
  • At least one of the reinforcing layers may comprise at least one spacer by which at least two of the reinforcing layers are spaced from each other. These spacers can prevent compression of the two reinforcing layers and thereby give the contact element dimensional stability in the reinforcing region.
  • At least one of the reinforcing layers may be directly or indirectly positively and / or frictionally connected with at least one of the contact layers of the multilayer region.
  • the combination of reinforcing layers with contact layers produces a particularly dimensionally stable contact element.
  • the interconnected reinforcing layers and contact layers may have interlocking elements which automatically engage in the manufacture of the contact element by folding into each other and produce the positive and frictional connection.
  • the area of the contact material. which forms the envelope of the multi-layer area at the plug-side end have a widening, in particular an undercut widening.
  • a region of the contact material which forms a reinforcing layer as an envelope in the mounted state may have a head-shaped region which, when folded over, can be pressed into the undercut widening of a contact layer and thereby connect reinforcing layer and contact layer.
  • the head-shaped region can have a deformation region, in particular an opening or an incision, which allows an elastic deformation of the head region. If the head area is pressed into the expansion, the head can be deformed elastically, since the head is compressed in the direction of the deformation area. The head can then exert pressure on the expansion. As a result, contact and reinforcement layer can also be connected to each other by friction.
  • the expansion in the reinforcing ply and the head-shaped region may be present in the contact ply.
  • the contact element may comprise at least one spacer which extends from a contact position in the direction of the reinforcing layers, wherein a support region of the spacer is arranged between the reinforcing layers of the reinforcing region.
  • the support region of the spacer may extend at least partially parallel to the reinforcing layers.
  • the at least one spacer may have a securing section which projects at least partially into at least one positive-locking opening in at least one of the reinforcing layers.
  • At least one of the reinforcing layers may be penetrated by a latching tongue extending from another reinforcing layer.
  • a latching tongue can also be used when using reinforcing layers.
  • the contact element may have a head portion which is disposed at the plug-side end of the multi-layered portion and include the envelope of the contact material and thus the head of the contact element.
  • the head width can be determined by the width of the head at the plug-side end and the connector width by the width of the plug in the multi-layer area outside the head area.
  • the head width can be smaller than the connector width. If the head width is smaller than the connector width, then the head region can represent a narrowing of the width of the contact element, which can facilitate a mating of the contact element with a mating contact element.
  • At least two contact elements can be formed with spacers of different dimensions. These contact elements can together form a sentence.
  • the contact elements may have different cross-sections at their plug-side end.
  • the contact element can be produced by turning the contact material at least once from the plug-side end in the direction of the conductor-side end.
  • the contact material may be in its original form as a stampable material e.g. present as a sheet.
  • the thickness of the sheet may preferably determine the cross-section of the contact material at the conductor-side end of the contact element.
  • Fig. 1 shows a side view of a first embodiment of a contact element according to the invention 1.
  • the contact element 1 consists of the contact material 4 and has a plug-side end 3 for mating with a mating contact element, and a conductor-side end 5 for connection to an electrical conductor.
  • the contact element 1 has two contact layers 11: one of the conductor-side end 5 to the plug-side end 3 continuous plug layer 11b and a shorter, extending over the plug-side end 3 envelope layer 11a.
  • the two contact layers 11a and 11b together form the multi-layer region 9.
  • the turn-over layer 11a has an open end 12 pointing in the direction of the conductor-side end 5.
  • the plug-side end 3 is essentially formed from the multilayer region 9.
  • the multilayer region 9 is formed by folding over the contact material 4.
  • the two contact layers 11a and 11b are substantially parallel to each other and spaced from each other.
  • the envelope 7 of the contact material 4 is tapered in the insertion direction 2 and forms the head 21 of the contact element.
  • the plug-side cross section 17 is larger than the conductor-side cross section 19.
  • Spacers 23 hold the two contact layers 11a and 11b of the multilayer region 9 at a defined distance from one another.
  • the spacer 23 is formed from a deformed portion 24 of the turnup layer 11a.
  • An edge 30 of the turnup layer 11a is formed as a spacer 23 in the direction of the plug layer 11b.
  • the spacer 23 abuts against the plug layer 11b, which in this case is the contact layer 11 adjacent to the turnup layer 11a.
  • the spacers 23 are bounded by the closure elements 27.
  • the closure elements 27 are formed by forming a portion of the plug layer 11b. They are received positively in the assembled state 28 in recesses 29 of the envelope layer 11a. The closure elements 27 are pressed into the recesses 29.
  • the shutter members 27 connect the two contact layers 11a and 11b of the multilayer portion 9 with each other, so that the contact sheets 11a and 11b can not be separated from each other.
  • the closure elements 27 and the spacers 23 therefore ensure the dimensional stability of the contact elements.
  • the closure elements 27 may be tapered in the direction of the recesses 29. Likewise, the recesses 29 may be widened in the direction of the closure elements 27. As a result, the compression is facilitated in the production.
  • the outer sides 14 of the outer contact layers 16 of the multilayer region 9 form the contact region 13 of the contact element 1.
  • This contact region 13 is substantially smooth and continuous and therefore particularly advantageous for the mating of the contact element 1 with a mating contact element such as a socket.
  • the head 21 may be rounded. This facilitates the insertion of the contact element 1 in a mating contact element. If, on the other hand, the envelope 7 is formed by edge-forming methods, such as folding, then the head 21 can have edges which also ensure a smooth insertion of the contact element 1 into a mating contact element when a tapering of the envelope 7 in the insertion direction 2 is maintained.
  • a latching tongue 31 extends in the direction of the conductor-side end 5.
  • Your free latching tongue end 35 is from the Umzzilageebene 32 of the contact element 1 and has substantially in the direction of the conductor end 5.
  • the latching tongue 31 can be used to attach the Contact element 1 serve in a contact housing.
  • support members 37 extend in the direction of the conductor-side end 5.
  • the support members 37 abut against a surface 39 on the inside of the plug layer 11b.
  • the support elements 37 hold in the region of the latching tongue 31, the two contact layers 11a and 11b of the multilayer region 9 spaced from each other.
  • the support elements 37 prevent the two plies 11a and 11b from being compressed. As a result, the cross section 17 of the multi-layer area 9 is maintained, which ensures the secure fit of the contact element 1 in a mating contact element.
  • the conductor-side end 5 of the contact element 1 is used for connection to an electrical conductor, such as e.g. a cable. Since the conductor-side end 5 is essentially formed from a single-layer region 15, it is particularly suitable for pressing with a conductor, in particular for crimping.
  • Fig. 2 shows a schematic representation of a part of the plug-side end 3 of the embodiment Fig. 1 , A pair of closure elements 27 is shown here in section.
  • the contact region 13 is essentially formed from the outer contact layers 16 of the multilayer region 9.
  • the surface 41 of the contact region 13 is substantially smooth and extends continuously from the plug-side end 3 in the direction of the conductor-side end 5.
  • the contact area 13 is free of disturbances such as burrs, seams, welds or openings. It ensures a particularly smooth contact of the contact element 1 with a Counter contact element and a trouble-free electrical connection with the mating contact element.
  • the closure elements 27 are formed by forming a portion of the plug layer 11b. They are positively received in recesses 29 in the turnup 11 a. The spacers 23 are delimited in the longitudinal direction 43 by the closure elements 27.
  • Fig. 3 shows the plug-side end 3 of the first embodiment of a contact element 1 according to the invention in an enlarged view, wherein a region with spacers 23 is shown in section.
  • the spacers 23 are formed from deformed regions 24 of the turnup layer 11a in the multilayer region 9.
  • the edges 30 of the turnup layer 11a are formed along the longitudinal direction 43 of the contact element 1 in the direction of the plug layer 11b.
  • spacers 23 are formed by bending the edges 30. They can also be formed by folding or other forming methods.
  • the deformed edges 30 form the spacers 23 and abut against the plug layer 11b.
  • the spacers 23 keep the two contact layers 11a and 11b of the multi-layered region 9 at a distance from one another.
  • the spacers 23 are bounded in the longitudinal direction by the closure elements 27.
  • the spacers 23 are formed continuously between the delimiting closure elements 27 and lie continuously against the plug layer 11b. Alternatively, they can also be formed from several transformations. Instead of bending methods, other methods such as stamping or embossing may also be used to make the spacers.
  • Fig. 4 shows the area around the latching tongue 31 of the first embodiment in a schematic representation.
  • the latching tongue 31 extends from the turnup layer 11a in the direction of the conductor-side end 5 of the contact element 1.
  • the latching tongue 31 points away from the contact element 1.
  • the foot 33 of the latching tongue 31 is connected to the turnup 11a.
  • the support members 37 extend from the turnup ply 11a toward the ladder side end 5.
  • the support members 37 are formed from deformed portions of the turnup ply 11a.
  • supporting elements 37 are formed by bending.
  • support elements may also be formed by other suitable methods, such as embossing.
  • the support elements 37 abut against a surface 39 of an inner side of the adjacent plug layer 11b. In the longitudinal direction 43, the support elements 37 are located between the foot 33 and the locking tongue end 35 of the latching tongue 31 on the surface 39 of the connector layer 11b.
  • Fig. 5 shows a further embodiment of a contact element 1 according to the invention.
  • the contact element 1 has a reinforcement region V, which extends from the end of the multilayer region 9 in the direction of the conductor-side end 5.
  • the turnup 11a is shortened at its open end 12 compared to the previous embodiment.
  • the reinforcement region V has two envelopes 45 extending parallel to the longitudinal direction 43, which are formed by folding over the edges 47 of the connector layer 11b running parallel to the longitudinal direction 43 in an envelope direction 46 towards the contact element 1.
  • the plug layer 11b may initially be formed wider than in the previously described embodiment in order to provide contact material 4 for the longitudinal envelopes 45 of the edges 47.
  • the longitudinal envelopes 45 form a fold-over layer 20a, which is essentially parallel to the plug layer 11b and adjoins the turn-up layer 11a of the multilayer region 9 at its end 49 pointing in the insertion direction 2.
  • the folded-over layer 20 a and the connector layer 11 b represent the reinforcing layers 20 in the reinforcement region V.
  • the folded-over layer 20a is formed from two turned-over edges 47 of the plug layer 11b.
  • the Umfaltlage 20a may be formed from the envelope of a single edge 47 of the connector layer 11b.
  • the reinforcing layers 20 give the contact element 1 additional stability.
  • the plug layer 11b has spacers 51. These can be formed by suitable forming techniques such as i.a. Punching, punching or bending in the connector layer 11b be formed.
  • connection extensions 53 are inserted in a form-fit manner into a complementary receiving opening 55 in the turnup layer 11a.
  • the receiving opening 55 is keyhole-shaped and extends to the conductor-side end 57 of the turn-up layer 11 a, so that the connection extensions 53, which extend from the fold-over 20 a, can engage in the receiving openings 55.
  • connection extensions 53 have neck portions 53a and head portions 53b.
  • the receiving opening 55 has an undercut 55a. The undercut 55 a engages in the neck areas 53 a of the connection extensions 53.
  • the head areas 53b there is a deformation area 53c.
  • the connecting extensions 53 are pressed into the receiving opening 55, the head regions 53b are pressed elastically in the direction of the deformation region 53c and exert a pressure on the receiving opening 55.
  • the turn-up layer 11a is frictionally and positively connected to the reinforcing layer 20a.
  • the latching tongue 31 extends in this embodiment of the connector layer 11b.
  • the folded-over layer 20a has a latching tongue opening 59, through which the latching tongue 31 projects from the plug-in layer 11b.
  • the latching tongue opening 59 is essentially rectangular, with its longitudinal sides 61 running parallel to the longitudinal direction 43 of the contact element 1.
  • the latching tongue opening 59 is dimensioned and arranged such that the latching tongue 31 protrudes unhindered through it and can therefore be used.
  • the Securing elements 65 are formed from deformed areas of the fold-over layer 20a and extend in the direction of the plug-side end 3 into the latching tongue opening 59.
  • the multilayer region 9 is tapered in the insertion direction 2 such that a head width 67 is smaller than a connector width 69.
  • the head width 67 indicates the width of the head 21 along an axis 71 perpendicular to the insertion direction 2 and parallel to the Umtschlagenebene 32.
  • the connector width 69 indicates the width of the contact element 1 in the multi-layer area 9 outside the head area S.
  • the connector width 69 is measured parallel to the axis 71.
  • the single-layer region 15 adjoins the reinforcement region V at the conductor-side end 5.
  • Fig. 6 shows the embodiment Fig. 5 in a rear view.
  • the plug layer 11b has the spacers 51, which keeps the folded-over layer 20a at a distance from the plug layer 11b and prevents undesired compression of the layers 11b and 20a.
  • the spacers 51 are formed by punching or other suitable forming techniques in the plug layer 11b. Both folded edges 47 abut against these spacers 51.
  • the securing elements 65 are hook-shaped. They are connected to the Umfaltlage 20a, or extend from this.
  • the securing elements 65 are first bent in the direction of the plug position 11b and then point in the direction of the latching tongue 31.
  • the securing elements 65 prevent the latching tongue 31 from bending back into the contact element 1, so that the function of the latching tongue 31 is retained.
  • FIGS. 7 and 8 show a third embodiment of a contact element 1 according to the invention Fig. 7 the embodiment in a perspective view and the Fig. 8 the embodiment in a longitudinal section along in Fig. 7 Plotted sectional plane AA.
  • the third embodiment has a multi-layered region 9 pointing in the plugging direction 2 and a reinforcing region V.
  • a crimping region C adjoins the reinforcing region V.
  • the crimping area C points transverse to the longitudinal direction 43 standing crimping teeth 73, which serve for connection to foil conductors (not shown) or a cable (not shown).
  • a bending portion B is disposed between the crimping region C and the reinforcing region V.
  • the bending section B has bending regions 75, which can serve to align the plug-side part 3, when the contact element 1 is connected at its crimping region C to an electrical line.
  • the multilayer region 9 consists of two contact layers 11, which are parallel to each other with the exception of the head region S.
  • the contact element 1 has a spacer 23 which extends from the turnup layer 11a in the direction of the reinforcing region V.
  • the spacer 23 is formed from a deformed edge 30 of the turnup 11a.
  • the edge 30 extends transversely to the plug-in direction 2 and is arranged at an end of the turn-up layer 11a adjacent to the reinforcement region V.
  • the spacer 23 is with reference to FIGS. 9 and 10 described in more detail.
  • the contact element 1 has a latching tongue 31, which extends from the plug layer 11b, starting against the insertion direction 2.
  • the latching tongue 31 projects through the fold-over layer 20a, which, like the plug-in layer 11b, has a latching tongue opening 59.
  • Fig. 9 shows an enlargement of the in Fig. 8 K marked circle around the spacer 23 and Fig. 10 a cut along in Fig. 9 with BB marked cutting plane.
  • the spacer 23 extends from the turnup layer 11a against the insertion direction 2 in the direction of the conductor end 5.
  • the spacer 23 has a support portion 77 and an offset portion 79. In the offset portion 79, the contact material 4 from the turnup layer 11a toward the connector position 11b added.
  • the support region 77 is arranged at its end facing the conductor end 5 between the fold-over layer 20a and the plug layer 11b.
  • the support region 77 of the spacer 23 supports the fold-over layer 20a and the plug layer 11b in the reinforcement region V from each other. Since the support region 77 bears against the plug layer 11b, the turnup layer 11a in the multilayer region 9 is also supported against the plug layer 11b.
  • the gap 81 extends between the plug layer 11b and the fold-over layer 20a.
  • the width 83 of the intermediate space 81 is smaller than a thickness 85 of the contact material 4.
  • the support region 77 is at a predetermined plug-side cross section 17 between the fold over layer 20a and the connector layer 11b, the fold-over layer 20a has two recesses 87 triangular in the sectional plane BB.
  • the recesses 87 can be made, for example, by pressing the corresponding portions of the fold over layer 20a.
  • a recess may be located on the support region 77 so that it can be inserted between the fold-over layer 20a and the plug layer 11b.
  • the recesses 87 extend substantially parallel to the fold-over layer 20a. They do not necessarily have to be triangular. The shape depends on the shape of the support portion 77. In the exemplary embodiment shown, the support region 77 is trapezoidal in the sectional plane BB, with the tip of the trapezoid pointing in the direction of the conductor-side end. The triangular recesses 87 are optimized for receiving the trapezoidal support region 77.
  • FIGS. 11 and 12 show a fourth embodiment of a contact element according to the invention 1. It shows Fig. 11 a perspective view and Fig. 12 a longitudinal section along in Fig. 11 with AA marked cutting plane.
  • the fourth embodiment substantially corresponds to the third embodiment described above. Therefore, at this point, only the differences between the two embodiments are discussed.
  • the contact element 1 has a spacer 23 which, as in the third exemplary embodiment, extends from the turn-over layer 11a in the direction of the conductor-side end 5.
  • the spacer 23 of the fourth embodiment has a securing portion 89 at its end facing the conductor end 5.
  • the spacer 23 and the securing portion 89 are with reference to FIGS Fig. 13 and 14 described in more detail.
  • the contact element 1 has a latching tongue 31, which corresponds to the latching tongue 31 of the second and the third embodiment.
  • two latching elements 59 extend from the plug layer 11b and are located opposite securing elements 65.
  • the securing elements 65 are with respect to the Fig. 15 described in more detail.
  • the Fig. 13 and 14 show the details of a spacer 23 according to the invention of the fourth embodiment. It shows the Fig. 13 an enlargement of the in the Fig. 12 marked circle section K and the Fig. 14 a cut along in Fig. 13 marked section plane BB.
  • the spacer 23 extends from the turnup layer 11a against the insertion direction 2 toward the conductor end 5.
  • the offset portion 79 displaces the contact material 4 from the turnup layer 11a between the connector layer 11b and the turndown layer 20a.
  • the support region 77 abuts against the plug layer 11b.
  • the plug layer 11b is supported against the turnup layer 11a.
  • the folded-over layer 20a bears against the support region 77 and is thereby supported against the plug layer 11b.
  • the securing portion 89 has securing wings 91 which extend outwardly away from the plug-in position 11b.
  • the folded-over layer 20a has a form-fitting opening 93 into which the securing wings 91 extend.
  • the securing wings 91 thus form a positive connection with the fold-over layer 20a in the longitudinal direction 43.
  • slippage of the turnup layer 11a in the longitudinal direction 43 can be prevented. This is particularly advantageous when the contact element 1 (not shown) is inserted into a counter contact element or is released from it and between the contact element 1 and the mating contact element has a large force on the turnup 11a and the connector layer 11b acts.
  • the Umfaltlage 20a has a recess 87.
  • the recess 87 can be made for example by pressing the contact material 4 of the Umfaltlage 20a in the area above the spacer 23.
  • the edges 95 and 97 are rounded. In this case, the curves of the leading edges 95 preferably have a smaller radius than the curves of the trailing edges 97.
  • the leading edges 95 are less strongly rounded in order to increase the positive connection of the securing section 89 in the insertion direction 2 with the fold-over layer 20a. As a result, slipping out of the spacer 23 from the intermediate space 81 is made more difficult.
  • the trailing edges 97 are less rounded, as against the insertion direction in addition to the positive connection between the securing portion 89 and the edge 99 of the form-locking opening 93 is a positive connection between the turnup 11a and the Umfaltlage 20a.
  • the curves facilitate the assembly of the contact element 1 and prevent protruding sharp edges or tips of the contact element 1, in particular because the fuse wings 91 can protrude slightly from the positive connection opening 93, for example, after a load on the contact element 1.
  • Fig. 15 shows a section through an inventive contact element 1 according to the fourth embodiment along in Fig. 11 with CC marked cutting plane.
  • the latching tongue 31 extends through the latching tongue opening 59 in the fold-over layer 20a and the plug-in layer 11b away from the plug-in layer 11b.
  • the securing elements 65 close the latching tongue opening 59 in the plug-in position 11b against undesired bending of the latching tongue 31 through the plug-in layer 11b.
  • the latching tongue 31 is, before it is bent, in a plane with the plug layer 11b. In this case, it is connected to the securing elements 65. After a release of the latching tongue 31 and bending away from the plug layer 11b, the securing elements 65 are formed by pressing so that their distance 103 is smaller than the width 105 of the latching tongue 31st

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (16)

  1. Elément de contact (1) en un matériau de contact (4) électriquement conducteur, pour l'établissement d'une liaison électriquement conductrice, comprenant une extrémité côté fiche (3) destinée à être enfichée mutuellement avec un élément de contact conjugué, complémentaire, notamment une douille, et
    une extrémité côté conducteur (5), à laquelle peut être fixé un conducteur électrique,
    une section transversale (17) de l'élément de contact (1) du côté fiche, étant plus grande qu'une section transversale (19) du côté conducteur,
    au moins un rabat (7) du matériau de contact (4) existant à l'extrémité côté fiche (3), et au moins une zone multicouches (9) du matériau de contact (4), constituée d'au moins deux couches de contact (11), étant formée à l'extrémité côté fiche (3), par le rabat (7), et
    au moins une languette d'encliquetage (31) en saillie, s'étendant de l'extrémité côté fiche (3) en direction de l'extrémité côté conducteur (5), la languette d'encliquetage (31) présentant un pied (33) à l'extrémité côté fiche et une extrémité libre de languette d'encliquetage (35) à l'extrémité côté conducteur,
    et une zone de renfort (V), qui s'étend derrière la zone multicouches (9), en direction de l'extrémité côté conducteur (5),
    la zone de renfort (V) étant constituée d'au moins deux couches de renfort (20),
    caractérisé en ce que la zone de renfort (V) présente au moins un élément de sécurité (65) destiné à empêcher un pliage de la languette d'encliquetage (31) en direction de l'élément de contact (1).
  2. Elément de contact (1) selon la revendication 1, caractérisé en ce qu'il est prévu au moins une entretoise d'espacement (23) par laquelle lesdites au moins deux couches de contact (11) sont maintenues à distance l'une de l'autre.
  3. Elément de contact (1) selon la revendication 2, caractérisé en ce que ladite au moins une entretoise d'espacement (23) est formée par au moins une zone déformée (24) du matériau de contact (4).
  4. Elément de contact (1) selon l'une des revendications 2 à 3, caractérisé en ce que ladite au moins une entretoise d'espacement (23) est formée par au moins un bord (30) déformé d'une couche de contact (11) de la zone multicouches (9), le bord (30) déformé venant s'appuyer sur une couche de contact (11) voisine.
  5. Elément de contact (1) selon l'une des revendications 1 à 4, dans lequel des couches de contact extérieures (16) de la zone multicouches (9) sont formées par des couches de contact (11), caractérisé en ce qu'une zone de contact (13) continue et lisse, s'étend à partir de l'extrémité côté fiche (3) en direction de l'extrémité côté conducteur (5), sur les côtés extérieurs (14) des couches de contact extérieures (16) de la zone multicouches (9), en vue d'assurer une liaison démontable de manière répétitive avec un élément de contact conjugué, complémentaire.
  6. Elément de contact (1) selon l'une des revendications 1 à 5, caractérisé en ce qu'au moins l'une des couches de contact (11) comporte au moins un élément de fermeture (27), qui, dans un état monté, vient se loger par complémentarité de formes, à l'intérieur d'un évidement complémentaire (29) dans une autre couche de contact (11) de la zone multicouches (9), notamment à l'intérieur d'une couche de contact (11) munie d'entretoises d'espacement (23).
  7. Elément de contact (1) selon la revendication 6, caractérisé en ce qu'au moins un élément de fermeture (27) est monté à force dans un évidement (29) associé, en y étant ainsi lié par adhérence.
  8. Elément de contact (1) selon la revendication 6 ou la revendication 7, caractérisé en ce qu'au moins un élément de fermeture (27) et/ou son évidement (29) associé, est rétréci en direction de l'évidement (29) associé.
  9. Elément de contact (1) selon l'une des revendications 1 à 8, caractérisé par au moins un élément d'appui (37), qui s'étend de l'extrémité côté fiche (3) en direction de l'extrémité côté conducteur (5) et s'appuie sur la surface d'une couche de contact (11) voisine.
  10. Elément de contact (1) selon la revendication 9, caractérisé en ce que ledit au moins un élément d'appui (37) s'appuie, au niveau de son extrémité côté conducteur, sur la surface d'une couche de contact (11) voisine, dans une zone entre le pied (33) et l'extrémité libre de languette d'encliquetage (35) de la languette d'encliquetage (31).
  11. Elément de contact (1) selon l'une des revendications 1 à 10, caractérisé en ce que la zone de renfort (V) présente un autre rabat (45) du matériau de contact (4), ledit autre rabat (45) étant formé par rabattement du matériau de contact (4) dans une autre direction de rabattement (46) que celle du rabat (7) de la zone multicouches (9), et au moins les deux couches de renfort (20) ainsi formées étant reliées par ledit au moins un autre rabat (45).
  12. Elément de contact (1) selon l'une des revendications 1 à 11, caractérisé en ce que l'une au moins des couches de renfort (20) présente au moins une entretoise d'espacement (51) par l'intermédiaire de laquelle au moins deux des couches de renfort (20) sont maintenues espacées mutuellement.
  13. Elément de contact (1) selon l'une des revendications 1 à 12, caractérisé en ce que l'une au moins des couches de renfort (20) est reliée directement ou indirectement, par complémentarité de formes et/ou par adhérence, à au moins l'une des couches de contact (11) de la zone multicouches (9).
  14. Elément de contact (1) selon l'une des revendications 1 à 13, caractérisé en ce que l'une au moins des couches de renfort (20) est traversée par une languette d'encliquetage (31), qui s'étend à partir d'une autre couche de renfort (20).
  15. Elément de contact (1) selon l'une des revendications 1 à 14, caractérisé en ce qu'une largeur de tête (67) est inférieure à une largeur de fiche (69).
  16. Jeu comprenant au moins deux éléments de contact (1) selon l'une des revendications 2 à 15, caractérisé par des entretoises d'espacement (23) de dimension différente.
EP13750029.4A 2012-12-13 2013-08-12 Élément de contact Active EP2932563B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012223082.3A DE102012223082A1 (de) 2012-12-13 2012-12-13 Kontaktelement und Verfahren zur Herstellung eines Kontaktelements
PCT/EP2013/066836 WO2014090422A1 (fr) 2012-12-13 2013-08-12 Élément de contact et procédé de fabrication d'un élément de contact

Publications (2)

Publication Number Publication Date
EP2932563A1 EP2932563A1 (fr) 2015-10-21
EP2932563B1 true EP2932563B1 (fr) 2018-05-02

Family

ID=48986117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13750029.4A Active EP2932563B1 (fr) 2012-12-13 2013-08-12 Élément de contact

Country Status (5)

Country Link
US (1) US9705227B2 (fr)
EP (1) EP2932563B1 (fr)
CN (1) CN104981945B (fr)
DE (1) DE102012223082A1 (fr)
WO (1) WO2014090422A1 (fr)

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DE102019113152B3 (de) * 2019-05-17 2020-10-08 Amphenol-Tuchel Electronics Gmbh Steckkontaktelement für eine elektrisch leitende Verbindung
CN213520383U (zh) * 2020-07-20 2021-06-22 泰科电子(上海)有限公司 导电端子
DE102021110325B3 (de) 2021-04-22 2022-08-04 Ks Gleitlager Gmbh Verfahren zum Herstellen eines Kontaktträgers für einen elektrischen Schaltkontakt und Kontaktträger

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Also Published As

Publication number Publication date
EP2932563A1 (fr) 2015-10-21
CN104981945A (zh) 2015-10-14
US20150357740A1 (en) 2015-12-10
US9705227B2 (en) 2017-07-11
DE102012223082A1 (de) 2014-06-18
CN104981945B (zh) 2018-02-09
WO2014090422A1 (fr) 2014-06-19

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