EP2086064B1 - Contact d'estampage électrique - Google Patents

Contact d'estampage électrique Download PDF

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Publication number
EP2086064B1
EP2086064B1 EP09001396.2A EP09001396A EP2086064B1 EP 2086064 B1 EP2086064 B1 EP 2086064B1 EP 09001396 A EP09001396 A EP 09001396A EP 2086064 B1 EP2086064 B1 EP 2086064B1
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EP
European Patent Office
Prior art keywords
press
section
contact
electrical
stop
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
EP09001396.2A
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German (de)
English (en)
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EP2086064A1 (fr
Inventor
Janos Nabilek
Ralf Ehler
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.)
Vincotech Holdings SARL
Original Assignee
Vincotech Holdings SARL
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Filing date
Publication date
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Publication of EP2086064A1 publication Critical patent/EP2086064A1/fr
Application granted granted Critical
Publication of EP2086064B1 publication Critical patent/EP2086064B1/fr
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • 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
    • H01R13/08—Resiliently-mounted rigid 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection

Definitions

  • the invention relates to an electrical press-fit, in particular a Einpressstattrome, for transmitting electrical current and / or electrical signals, with a press-fit portion and a mounting portion, which are mechanically coupled to each other via a relief portion, and the relief portion has a compensation area and a stop area, wherein the Balancing area allows a coupled relative movement of the press-in portion and the mounting portion, and the stopper area blocks a Auftechnology of press-fit portion and mounting portion. Furthermore, the invention relates to an electrical or electronic module or a printed circuit board with an electrical press-in contact.
  • electrical contact elements for electrical contacting of carriers, such.
  • carrier As printed circuit boards, known which are designed as press-fit. Press-fit contacts are used to produce solderless electrical connections, which are referred to as so-called press-in connections.
  • Electrical contact between the press-fit contact and the carrier is made in the press-fit connection by inserting a pin of the press-fit contact into a bore of the carrier having a smaller diameter than the pin. The inside of the hole is copper-plated or additionally tin-plated, which adjusts itself by the pressure of the pin in the bore, at the same time a mechanical fixation and an electrical contact.
  • the US Pat. No. 6,997,727 B1 discloses an electrical contact element for mutually electrically contacting two circuit boards.
  • the contact element has two flat, directly abutting legs, each leg having an inwardly open, rectangular, deformable portion, which are arranged offset to one another in the contact element.
  • These rectangular frames formed in the respective leg enable the contact element to withstand a mechanical load which occurs between two interconnected printed circuit boards. Furthermore, a capillary action is minimized due to the two abutting legs, for a liquid solder by the open rectangular sections.
  • the US 6,155,856 discloses an electrical contact element for a printed circuit board, as well as an arrangement of the contact element on the printed circuit board and a housing.
  • the contact element has a spiral or S-shaped relief section, so that thermal elongations do not affect too much on an electrical contacting of the circuit board.
  • the arrangement of contact element, printed circuit board and the housing is provided such that the contact element is soldered to the circuit board, adjoins this electrical contacting the discharge section and subsequently the contact element is firmly connected to the housing.
  • the US 2004/0106327 A1 discloses a one-piece electrical connection sleeve for two electrical pin contacts, the opposite sides are inserted into the connection sleeve.
  • the connecting sleeve is designed partially in the circumferential direction and fully slotted in the longitudinal direction. Due to the structural weakening of the connecting sleeve a certain mobility of their two longitudinal end portions is realized against each other.
  • the US Pat. No. 6,511,336 B1 discloses a resilient mount for a mountable on a circuit board motor, wherein the holder simultaneously also makes an electrical contact of the motor with the circuit board. An electrical connection of the motor with the bracket via a solderless clamp connection.
  • the DE 20 2005 014 070 U1 describes a printed circuit board Einpressadapter with two pairs of abutment surfaces, which are arranged offset from one another along its longitudinal direction. Due to the staggered pairs of stop surfaces, in particular high insertion forces can be unevenly guided through the stop area.
  • the contact element of DE 10 2004 050 715 B3 is formed S-shaped, which should be compensated for acting on the contact element mechanical vibrations.
  • the electrical press-in contact according to the invention has a relief section which reliably avoids the occurrence of impermissibly high forces on the corresponding mechanical and electrical connections (solder connection and / or press-in connections) of the press-fit contact, and in that, when a press-in section of the press-in contact is pressed in, the unloading section does not collapse.
  • the press-fit invention should be rational and easy to handle.
  • the object of the invention is achieved by means of an electrical press-in contact, in particular a press-fit pin contact, for transmitting electrical current and / or electrical signals, according to claim 1, and an electrical or electronic module or a printed circuit board with a press-fit contact according to the invention, according to claim 14.
  • the electrical press-fit contact according to the invention has a press-in section and a mounting section, preferably designed as a soldering or press-fit section, which are connected to one another, preferably integrally, via a relief section of the press-in contact according to the invention.
  • the unloading section comprises a balancing section which imparts movement of the press-fitting section and the mounting section toward and away from each other.
  • the relief section according to the invention has a stop region which prevents excessive relative movement between the press-fit section and the mounting section.
  • the stop area according to the invention of the relief section is designed such that it limits the compensation area in its maximum compression or extension, whereby the relative movement of the press-in against the mounting portion or the relative movement of the mounting portion relative to the press-in only limited. According to the invention, damage to the compensation area is prevented by the abutment area.
  • the stop region in such a way that both the movement towards one another and the movement away from one another by the press-in section and the mounting section can be limited.
  • the abutment region is designed such that it blocks only one movement of the press-in section and the mounting section in one direction. This preferably takes place in the Auffactzu movement of press-fit portion and mounting portion.
  • the abutment region of the electrical press-fit contact is arranged on / in the press-in contact, that the Aufgluzu movement of Einpressabêt and mounting portion, is blocked from a certain position of press-in against the mounting portion to each other and can not continue to take place.
  • the blockage of the mutual Mechanzu movement is chosen such that the compensation area is not damaged, d. H. not to be compressed too much, so that compensation bends, S-bends or a spiral of the compensation area can maintain their respective function.
  • damage in particular the collapse of the relief section or of the compensation region of the electrical press-fit contact, is prevented by a force bypass.
  • This force bypass limits excessive deformation of the press-in contact in the press-in direction, but allows one, preferably free, deformation against the press-in direction.
  • unacceptably high tensile loads on a solder joint or a press-fit are reliably avoided but also realized a secure pressing of the press-fit.
  • the force bypass of the electrical press-in contact according to the invention can be achieved by various design measures.
  • the compensation area and the abutment area of the press-fit contact can be provided directly adjacent to one another or also further apart from one another on / in the press-fit contact. It is only necessary to ensure that the compensation area and the stop area are located in an insertion force direction between the press-in section and the mounting section.
  • the stop region is provided substantially symmetrically with respect to a longitudinal center line of the press-in section on / in the electrical press-in contact.
  • the stop region is preferably arranged substantially symmetrically with respect to a force line passing through the press-fit contact.
  • the force center line is formed by the press-in force on the press-in contact, in particular its press-in section, and results from a press-fitting of the press-in contact into a carrier.
  • the electrical press-fit contact for blocking the mutual movement of the press-fit portion and the mounting portion has two cooperating stops.
  • a stop on a press-in section-side part of the abutment portion and the other stop on a mounting portion-side part of the stop portion is provided.
  • the two stops when not already abutting each other, move toward each other and come into mutual contact, thereby stopping the movement of the press-fitting portion and the mounting portion. If the two stops abut each other, then the mounting portion can be pressed into a respective contacting opening of the carrier. The force for this is preferably introduced from the mounting portion on the two stops in the press-in.
  • the two stops in a rest position of the electrical press-fit contact, abut each other with contact or be spaced from each other by a slot or a gap.
  • a press-in contact is realized in which initially only a Vonchroweg-moving the press-fit and the mounting portion is possible.
  • a gap between the provided both stops it is on the one hand a Vonchroweg- and a Aufratzu-moving the press-fit and the mounting portion possible, and on the other hand can be determined by a size of the slit or the gap a compressed end position of the press-in against the mounting portion.
  • the stop region of the relief section has at least one single shaft or preferably two shafts. At a free end of the respective shaft of the mounting section-side stop is provided.
  • the shank (s) of the relief section are preferably arranged substantially symmetrically with respect to the force center line of the press-fit contact. If a single shaft is provided, the compensation area of the respective press-fit contact is asymmetrical with respect to the force center line; If, on the other hand, two shafts are provided, then it is also possible to additionally arrange the compensation area symmetrically with respect to the force center line.
  • the respective compensation area is substantially parallel, spaced apart by a slot, provided for the relevant shaft.
  • the press-fitting-side stop cooperating with the respective mounting portion-side stopper is provided at a shoulder of the relief portion.
  • the shoulder is part of the stop section.
  • a corresponding number of shoulders opposite the shaft in question is provided in / on the unloading section of the electrical pressfit contact.
  • One or both of two cooperating stops may have a recess for the purpose of joint position finding, in which the respective other stop is receivable and thus lockable to a certain extent. This prevents the shaft and shoulder from sliding past each other during the pressing in of the press-fit contact.
  • the one or more shanks and the compensation area in the mounting portion of the electrical press-fit over are materially connected to each other in one piece.
  • the respective shaft, the compensation area and the mounting section are materially connected to each other in one piece.
  • the relevant shoulder and the compensation area are formed materially in one piece with the press-in section. Since the compensation area in embodiments of the invention is materially integral with both the mounting portion and the press-in portion, the mounting portion and the press-in portion are preferably formed integrally material, whereby one receives a materially integrally formed press-fit.
  • a compensation bar of the compensation area forms the press-in section-side stop of the stop area adjoining the compensation area.
  • one of the preferably longer longitudinal sides of the balance web forms the press-in section-side stop.
  • This longitudinal side of the compensating web is preferably located directly on the mounting portion-side stop of the electrical press-in contact. This stop is z. B. an end face of the mounting portion.
  • the compensation area in such embodiments of the invention substantially comprises the compensation web and, if appropriate, its fastenings in the direction of the mounting section and press-in section of the electrical press-in contact.
  • the abutment region of the press-in contact essentially comprises that longitudinal side of the equalizer bar which forms the press-in section-side stop, and the corresponding one, preferably provided on the mounting portion mounting section-side stop.
  • the two stops are substantially adjacent to each other, and the abutment portion of the press-in contact is substantially a common surface of the balance web and the mounting portion.
  • the compensating web preferably lies flat on the mounting section, or with its side forming the press-in section-side stop parallel on an end face of the mounting section.
  • the press-in portion can be moved away from the mounting portion, in which case the stop area additionally receives a gap between the two stops.
  • the compensation area and the stop area at any desired positions of the press-fit contact between its mounting section and its press-in section. It depends according to the invention only on the fact that the stop area limits the compensation area in its maximum range of motion in at least one direction. Which arrangement of the compensation area is selected in relation to the stop area depends on the desired properties of the respective press-in contact and can be selected in almost any desired manner. Furthermore, according to the invention, all known for electrical contact elements, in particular press-in and solder contacts, compensation areas can be applied.
  • Electrical contact elements 1 *, 2 * according to the prior art, as shown in the Fig. 1 and 2 are shown in the electronics and electrical require due to forces occurring due to external influences, such. B. thermal elongations, dimensional and / or assembly tolerances, a compensation area 210. This compensation area 210 avoids the occurrence of unacceptably high forces on the relevant contact element 1 *, 2 * produced electrical connections. So show the Fig. 1 an electrical soldering contact 2 * and the Fig. 2 an electrical press-in contact 1 * for a module according to the prior art.
  • Soldering contacts 2 * are already being manufactured with a compensation region 210 (compensation arches, S-arcs) in order to prevent unacceptably high forces on the electrical contacts that can be produced thereby. If such solder contact elements 2 * with a press-in section 300 (see Fig. 2 ) and press-fitted instead of a soldering section, the compensation region 210 of such a press-fit contact 1 * would collapse during the pressing-in process due to the required press-in force for the press-in section 300.
  • the press-in contacts 1 * locked by means of a lock on the housing 3 (projection dashed in Fig. 2 shown), or the housing 3 is directly connected to a portion of the press-fit 1 *, which in the Fig. 2 is shown, in which the housing 3 on or around the press-in contact 1 * or splashed around.
  • a lock with the housing 3 requires very tight tolerances and is not always easily used due to special mechanical properties of a structure of the module.
  • a portion of the housing 3 or even a separate housing 3 is necessary, which makes the relevant module or its housing 3 complicated in construction and costly.
  • the show Fig. 1 and 2 an attachment of the respective electrical contact element 1 *, 2 * on a support 4, which has an electrical or electronic component 5.
  • the relevant contact element 1 *, 2 * is provided with a mounting portion 100, the z. B. is soldered to a conductor track of the carrier 4.
  • the show Fig. 1 and 2 in that the space between the support 4 and the housing 3 is approximately half filled with a silicone gel, the housing 3 being glued to the support 4.
  • a respective electrical press-fit contact 1 has a mounting or fastening section 100, a relief section 200, a transition section 400 and a press-fit section 300.
  • the respective press-fit 1 is extending in a longitudinal direction L, flat and elongated, which in the Fig. 3 . 6 . 9 and 12 easy to recognize.
  • the press-fit contact 1 is preferably formed as a stamped and bent part and consists of an electrically conductive material which preferably has good spring properties.
  • the electrical press-fit contact 1 according to the invention can be any electrical contact element 1, the z. B. is designed as electrical Einpressit- or -buchsentitle.
  • the mounting portion 100 of the respective electrical press-fit contact 1 is formed in the present embodiments, each as a soldering foot. However, it is also possible to form a mounting portion 100 as a press-fit portion 300.
  • the relief section 200 serves to compensate for forces that occur on the press-fit contact 1 and has a compensation or expansion area 210 which compensates for any differences in length between the mounting section 100 and the press-fit section 300 opposite thereto.
  • the compensation region 210 can be constructed like a compensation region 210 according to the prior art and can have, for example, one or a plurality of compensation bends, S-bends or a spiral.
  • the relief section 200 or its compensation area 210 is adjoined by the transition section 400 and by the press-in section 300.
  • a force bypass on the press-in contact 1 is created according to the invention.
  • This force bypass limits deformation of the compensation area 210, so that the compensation area 210 can not be damaged.
  • the force bypass limits the deformation of the compensation area 210 in only one direction, namely the press-in direction (see force arrow F in the Fig. 5 . 8th . 11 and 14 ), but allows deformation in the opposite direction.
  • the relief section 200 of the electrical press-fit contact 1 has, in addition to the compensation region 210, a stop region 220.
  • compensation area 210 and stop area 220 are provided in parallel and approximately at the same height in the press-fit contact 1.
  • the compensation area 210 is reduced in the present embodiment compared to a thickness of the remaining press-fit 1 (see Fig. 3 ) and has at least one compensating arc 212 and a balancing web 215.
  • the compensation area 210 in the in Fig. 3 shown side view the shape of two consecutively connected S.
  • the stopper portion 220 is formed in the press-fit 1, which is good in the Fig. 4 you can see.
  • the stop region 220 essentially comprises two stops 221, 223, which are spaced apart by a slot 222.
  • About a height (extension in the longitudinal direction L) of the slot 222 is a maximum Auffactzumos of mounting portion 100 and press-fit 300 adjustable.
  • the one stop 221 of the electrical press-fit contact 1 is provided on one side of the press-fit contact 1, on which also the mounting portion 100 is located.
  • the opposing stopper 223 is provided on one side of the press-fit 1, to which also the press-in portion 300 is located.
  • the slot 222 located between the mounting portion-side stopper 221 and the press-in portion-side stopper 223 is bridged by the compensation portion 210 of the press-fit contact 1, so that the mounting portion 100 is preferably integrally connected to the press-fit portion 300.
  • the mounting portion-side stopper 221 is preferably a free end of a shaft 201 provided in the relief portion 200, extending from the mounting portion 100 in the longitudinal direction L. Parallel to this shank 201, the compensating sheet (s) 212 or the compensating web (s) 215 are provided.
  • the press-in section-side stopper 223 is preferably provided on a shoulder 203 integrally connected to the press-fit portion 300. In the present embodiment, the shoulder 203 is materially connected integrally via the transition section 400 with the press-in section 300.
  • the press-in section 300, possibly the transition section 400, the shoulder 203 and the shaft 201 are preferably arranged in the longitudinal direction L of the electrical press-fit contact 1. It is preferred that this longitudinal direction L of a Force center line of a press-in force F (see Fig. 5 ), so that a compressive force on the press-fit 1 can be transmitted well over the shoulder 203 on the shaft 201.
  • the shaft 201 is provided in the press-fit contact 1 such that its center line substantially coincides with the force center line L of the press-fit contact 1.
  • the shaft 201 is aligned parallel to the force center line L.
  • the mounting portion 100 designed as a soldering foot is essentially a tab bent out of the plane of the electrical press-in contact 1, which is shown in FIG Fig. 3 good to see. Starting from the formed as a tab Lötfuß the mounting portion 100 extends in the longitudinal direction L of the press-fit 1 (see 4 and 5 ) and then forks into the shaft 201 and a laterally branching from the shaft 201 transition portion 104th
  • the compensation area 210 is provided at the transition section 104.
  • the shaft 201 Parallel to the compensation region 210, the shaft 201 extends and approximately at the level of the mounting portion-side stop 221 of the shaft 201, the compensation region 210 ends, and a transition section 204, which is provided on the compensation region 210, integrally connects the compensation region 210 with the shoulder 203 Shoulder 203 is a part of the transition section 400, which merges into the press-in section 300.
  • the Fig. 6 to 8 show a second embodiment of the electrical press-fit contact 1 according to the invention, wherein substantially the relief portion 200 has a different shape.
  • the press-fit contact 1 is constructed symmetrically with respect to the longitudinal direction L of the press-fit contact 1 and, starting from the transition section 400, has two provided thereon Shoulders 203, on each of which a press-in section-side stop 223 is provided.
  • the two shoulders 203 are spaced transversely from each other, and therebetween a portion of the press-fit contact 1 extends downward with respect to Fig. 6 to 8 away, which then forms a part of the compensation area 210 of the press-fit contact 1 via a compensation arc 212.
  • the compensation area 210 extends out of the plane of the press-fit contact 1 and has the shape of an S in a side view (see FIG Fig. 8 ).
  • the compensation region 210 extends downwards in the longitudinal direction L from the press-fit section 300 and merges integrally into the mounting section 100, which is preferably designed as a soldering foot.
  • the mounting portion 100 is again formed as in the first embodiment of the invention, as a protruding from the plane of the electrical press-fit contact 1 tab, wherein on two opposite sides of the tab each have a portion of the press-fit 1 is provided.
  • the compensation area 210 integrally merges into this, on the opposite side, the mounting portion 100 forks through two transition portions 104 to two shafts 201, at the respective end of a mounting portion-side stopper 221 is provided, each with a press-in section-side stop 223 of the corresponding shoulder 203 can cooperate.
  • the compensation area 210 is provided between the two transitional sections 104.
  • at least the compensation region 210 is preferably made slightly thinner in its material thickness than the remaining electrical press-fit contact 1, which is good in the Fig. 6 you can see.
  • a height of the slot 222 is a maximum amount of a Auffactzumate the mounting portion 100 and the press-in portion 300 adjustable. The smaller this clearance, the less mounting section 100 and press-fit section 300 can move toward each other.
  • the slot 222 can be selected to be as large as possible so that the compensation area 210 is not damaged when the two stops 221, 223 abut each other.
  • Fig. 9 to 11 show a third embodiment of the electrical press-fit contact 1 according to the invention, wherein the compensation area 210 and the stop area 220 are no longer parallel but serially arranged as in the previous embodiments.
  • one side of the compensation area 210 preferably also simultaneously forms a stop 221, 223 of the stop area 220.
  • the mounting section 100 which is preferably in the form of a soldering foot, is designed block-like, and on one side of the mounting section 100, the latter goes over into the compensating region 210 with a tab.
  • the tab-shaped compensation area 210 is integrally connected to the mounting portion 100 via a compensation arc 212 and, on the opposite side, also merges integrally via a compensation arc 212 into the transitional portion 400 and finally into the press-in portion 300.
  • the compensation area 210 is now designed and provided within the electrical press-fit contact 1 such that it rests with a longitudinal side on an end face of the block-shaped mounting portion 100. Ie. between the lying on the mounting portion 100 compensation area 210 and the mounting portion 100, no gap is provided.
  • the side with which the compensation area 210 lies on the mounting section 100 also simultaneously forms the press-in section-side stop 223 of the stop area 220, whereas that side of the mounting portion 100 forms the mounting portion-side stopper 221, which faces the balance portion 210.
  • the stop area 220 essentially comprises the two stops 221, 223 which are formed on the compensation area 210 or the mounting section 100.
  • a press-in force F is introduced according to this embodiment of the invention directly over the compensation arc 212 and the compensation area 210, via the press-in section-side stop 223 in the mounting portion-side stop 221 and from there into the mounting portion 100. If a force is exerted counter to this direction, the press-in section-side stop 223 can lift off from the mounting section-side stop 221 and thus provide a length compensation for the press-fit section 300 and the mounting section 100.
  • the respective sections of the electrical press-fit contact 1 transmitting the press-in force F are designed to be as stiff as possible.
  • this relates in particular to the shank or shafts 201, as well as the shoulder 203 or the shoulders 203.
  • an independent blocking of the press-fit contact 1 is realized, which implements the blocking without additional components or sections of components.
  • the Fig. 12 to 14 show a fourth embodiment of the electrical press-fit contact 1 according to the invention, which is similar to the second embodiment of the press-fit 1.
  • the comments on the second embodiment should therefore also apply to the fourth embodiment.
  • a difference between the second and fourth embodiments of the invention is substantially in another form of the mounting portion 100 and the compensation area 210 and the stop area 220.
  • the mounting portion 100 has in the present embodiment in its plan the shape of a U, which grows substantially linearly in a third dimension, whereby the electrical press-in contact 1 in a lower portion (with respect to the Fig. 14 ) is formed trough-shaped. From a certain height, this trough is slotted (slots 202), wherein the slots 202 are arranged in a transition region of a respective leg to the web of the U and grow up to a longitudinal end of the trough.
  • the balancing web 215 of the compensation area 210 has in a side view (see Fig. 13 ) substantially the shape of an S, wherein the balancing web 215 has two compensating arcs 212 at its longitudinal ends, by means of which the balancing web 215 on the one hand in the mounting portion 100 and on the other hand in the transition section 400 and the press-in section 300 passes.
  • the balancing web 215 extends in the direction of a central region of the shafts 201 arranged substantially perpendicular thereto and is guided at an angle, preferably a 45 ° angle, with respect to the longitudinal axis L between the mounting section 100 and the remaining electrical press-fit contact 1. Ie. the balancing web 215 further displaces the transition section 400 or the press-in section 300 inwardly with respect to a side wall (web of the U-shaped ground plan) of the trough-shaped mounting section 100 into the press-fit contact 1.
  • the shafts 201 which are essentially parallel with their large sides and which may also be referred to as walls, are each provided with a shoulder 203 of FIG Stop region 220 in the longitudinal direction L of the electrical press-fit contact 1 with respect to, whereby a stable arrangement is formed, which is well suited for thin stampings.
  • the respective free longitudinal end of the shanks 201 in turn each forms a mounting portion-side stopper 221 and the respective free longitudinal end of the shoulders 203 each einpressabisme-sided stop 223.
  • the two stops 221, 223 can in turn rest against each other or in the rest position of the press-fit 1 a slot 222 spaced from each other.
  • the respective shaft 201 and / or the respective shoulder 203 may have a recess 204.
  • there is only one recess 201 in the respective shoulder 203 which is best in the Fig. 12 can be seen.
  • the electrical press-in contact 1 in a portion of the shoulders 203 tapers in its wall thickness, so that the underlying portion of the press-fit 1 is thinner.
  • a taper of the wall thickness is preferably completed at the latest at that free end of the respective shoulder 203, on which the press-in section-side stop 223 of the respective shoulder 203 is provided. This results in an improved centerability of the shoulder in the recess 204 and a reduced spring constant of the compensation area 210.

Claims (14)

  1. Contact électrique à emmanchement forcé, notamment broche de contact à emmanchement forcé, destiné à la transmission de courant électrique et/ou de signaux électriques, comprenant un tronçon d'emmanchement forcé (300) et un tronçon de montage (100), qui sont couplés mutuellement par voie mécanique par l'intermédiaire d'un tronçon de décharge (200), et le tronçon de décharge (200) présentant une zone de compensation (210) et une zone de butée (220), la zone de compensation (210) autorisant un mouvement relatif couplé du tronçon d'emmanchement forcé (300) et du tronçon de montage (100), et la zone de butée (220) bloquant un mouvement de rapprochement du tronçon d'emmanchement forcé (300) et du tronçon de montage (100), caractérisé en ce que la zone de butée (220) du tronçon de décharge (200) est agencée sensiblement de manière symétrique par rapport à une ligne de force médiane (L) du contact électrique à emmanchement forcé (1), le long de laquelle une force d'emmanchement forcé (F), qui résulte d'un emmanchement à force du contact électrique à emmanchement forcé (1) dans un support (4), peut être transférée dans le contact électrique à emmanchement forcé (1).
  2. Contact électrique à emmanchement forcé selon la revendication 1, caractérisé en ce que la zone de compensation (210) et la zone de butée (220) sont agencées en parallèle ou en série l'une par rapport à l'autre dans le tronçon de décharge (200) du contact électrique à emmanchement forcé (1).
  3. Contact électrique à emmanchement forcé selon la revendication 1 ou la revendication 2, caractérisé en ce que la zone de butée (220) du tronçon de décharge (200) présente une butée (223) du côté tronçon d'emmanchement forcé et une butée (221) du côté tronçon de montage, les deux butées (221, 223) boquant, lors d'une interaction réciproque, le mouvement de rapprochement du tronçon d'emmanchement forcé (300) et du tronçon de montage (100).
  4. Contact électrique à emmanchement forcé selon la revendication 3, caractérisé en ce que dans une position de repos du contact électrique à emmanchement forcé (1), il est prévu une fente (222) ou un interstice entre la butée (223) du côté tronçon d'emmanchement forcé et la butée (221) du côté tronçon de montage, ou en ce que dans la position de repos du contact électrique à emmanchement forcé (1), la butée (223) du côté tronçon d'emmanchement forcé s'appuie contre la butée (221) du côté tronçon de montage.
  5. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 4, caractérisé en ce que la zone de compensation (210) du tronçon de décharge (200) présente au moins un arc de compensation (212) et/ou une nervure de compensation (215), pour assurer une compensation de longueur entre le tronçon d'emmanchement forcé (300) et le tronçon de montage (100).
  6. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 5, caractérisé en ce que le tronçon de décharge (200) comprend un corps (201) à l'extrémité libre duquel est prévue la butée (221) du côté tronçon de montage, et, à distance et sensiblement de manière parallèle au corps (201) du tronçon de décharge (200), est prévue la zone de compensation (210) du contact électrique à emmanchement forcé (1), ou en ce que le corps (201) et la zone de compensation (210) du tronçon de décharge (200) se raccordent au tronçon de montage (100) du contact électrique à emmanchement forcé (1).
  7. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 6, caractérisé en ce que le tronçon de décharge (200) présente un épaulement (203) sur lequel est prévue la butée (223) du côté tronçon d'emmanchement forcé.
  8. Contact électrique à emmanchement forcé selon la revendication 7, caractérisé en ce que l'épaulement (203) et la zone de compensation (210) du tronçon de décharge (200) se raccordent au tronçon d'emmanchement forcé (300) du contact électrique à emmanchement forcé (1), ou en ce qu'entre l'extrémité libre du corps (201) et l'épaulement (203) est prévu la fente (222) ou l'interstice, ou en ce que le corps (201) et/ou l'épaulement (203) présentent un évidement (204) dans lequel, ou respectivement par lequel, l'épaulement (203) peut être centré lors de l'emmanchement à force du contact à emmanchement forcé (1).
  9. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 8, caractérisé en ce que le contact à emmanchement forcé est réalisé avec un seul corps (201) agencé sensiblement de manière symétrique par rapport à la ligne de force médiane (L), et une zone de compensation (210) agencée de manière asymétrique par rapport à la ligne de force médiane (L), ou avec deux corps (201) agencés sensiblement de manière symétrique par rapport à la ligne de force médiane (L) et entre lesquels la zone de compensation (210) du tronçon de décharge (200) se raccorde au tronçon d'emmanchement forcé (300) du contact électrique à emmanchement forcé (1).
  10. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 5, caractérisé en ce que le tronçon de décharge (200) est composé de la butée (221) du côté tronçon de montage et d'une nervure de compensation (215) de la zone de compensation (210), un côté longitudinal de la nervure de compensation (215) formant la butée (223) du côté tronçon d'emmanchement forcé de la zone de butée (220), et la nervure de compensation (225) étant prévue pour une compensation de longueur entre le tronçon d'emmanchement forcé (300) et le tronçon de montage (100).
  11. Contact électrique à emmanchement forcé selon la revendication 10, caractérisé en ce que dans la position de repos du contact électrique à emmanchement forcé (1), la nervure de compensation (215) s'écarte sensiblement selon un angle droit du tronçon d'emmanchement forcé (300), et est prévue sensiblement de manière parallèle par rapport à la butée (221) du côté tronçon de montage dans le contact électrique à emmanchement forcé (1).
  12. Contact électrique à emmanchement forcé selon les revendications 1 à 11, caractérisé en ce que la zone de compensation (210) et la zone de butée (220) sont réalisées d'un seul tenant l'une avec l'autre sur le plan de la matière qui les constitue.
  13. Contact électrique à emmanchement forcé selon l'une des revendications 1 à 12, caractérisé en ce que le tronçon d'emmanchement forcé (300) et le tronçon de décharge (200) et/ou le tronçon de montage (100) et le tronçon de décharge (200) sont réalisés d'un seul tenant sur le plan de la matière qui les constitue.
  14. Module électrique ou électronique ou plaque de circuit imprimé, caractérisés par un contact électrique à emmanchement forcé (1) selon l'une des revendications 1 à 13.
EP09001396.2A 2008-02-02 2009-02-02 Contact d'estampage électrique Active EP2086064B1 (fr)

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DE102008007310.5A DE102008007310B4 (de) 2008-02-02 2008-02-02 Elektrischer Einpresskontakt

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US7867016B2 (en) 2011-01-11
DE102008007310A1 (de) 2009-08-06
DE102008007310B4 (de) 2016-01-07
EP2086064A1 (fr) 2009-08-05
US20090197439A1 (en) 2009-08-06

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