EP0767978B1 - Connecteur electrique a fiches - Google Patents

Connecteur electrique a fiches Download PDF

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Publication number
EP0767978B1
EP0767978B1 EP95924279A EP95924279A EP0767978B1 EP 0767978 B1 EP0767978 B1 EP 0767978B1 EP 95924279 A EP95924279 A EP 95924279A EP 95924279 A EP95924279 A EP 95924279A EP 0767978 B1 EP0767978 B1 EP 0767978B1
Authority
EP
European Patent Office
Prior art keywords
contact
diameter
pin
receiving chamber
spring
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
EP95924279A
Other languages
German (de)
English (en)
Other versions
EP0767978A1 (fr
Inventor
Uwe Frinker
Peter Pszola
Stephan Peter Dieudonne
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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
Priority claimed from DE4441303A external-priority patent/DE4441303A1/de
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to EP97119582A priority Critical patent/EP0836245B1/fr
Publication of EP0767978A1 publication Critical patent/EP0767978A1/fr
Application granted granted Critical
Publication of EP0767978B1 publication Critical patent/EP0767978B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/14—Resiliently-mounted rigid sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863—Coil spring

Definitions

  • the invention relates to an electrical connector with a connector receptacle and a connector pin, in particular a round plug in cross section, wherein the connector receptacle has a receiving chamber and in the receiving chamber has an axially compressible, single coil spring coil arranged is.
  • Such an electrical connector is from WO-A-86/01645 in the Form known that in the insertion direction in front of the coil spring a contact piece axially displaceable in the receiving chamber is arranged with which the connector pin in face electrical contact during insertion occurs. It is also known to be a tubular To provide plug receptacle on which on an outer surface a helical spring is pushed on, one Winding of the coil spring through an opening in the Connector receptacle secant the inside of the connector receptacle enforced. The plug pin is used during a plug-in process due to the secant winding pressed against an inner surface of the connector receptacle, so that in this way the desired electrical contact comes about.
  • a such electrical connector is preferred a household appliance such as a vacuum cleaner or one Food processor trained. With a vacuum cleaner, for example. to connect a separate electric drive having electric carpet brush.
  • the connector can be used as a control contact find application as main current contact.
  • the invention The connector system is also characterized by that the pin immersed in the spring to Entering the pen tip into the spring constriction, the Contact turn or the contact turns, no noteworthy Frictional resistance is opposed.
  • the electrical initial contact is in the area of English Spring windings of the insertion opening closed. When the contact turns are reached the actual electrical contact.
  • the spring is angled at this point. This then overlaps with that Spring coils located on the plug pin on the surface of the connector pin and form a total large contact area.
  • the low friction between the connector pin and the spring coils up to actual contacting keeps the wear during.
  • the necessary contact pressure between the coil spring and the connector pin is on the one hand between the the contact turn and up to a rear face remaining spring axially, and on the other hand by spring tipping and winding on the pin reached radially.
  • the English contact turns pull the insertion opening as the first or last contact Place the resulting rollover and Tear-off sparks when plugging and pulling under electrical Load on themselves and keep the actual contact area free from the scorch marks.
  • the degree of contact coverage as is the case with Plug systems specified according to the prior art can, with the connector system described here with to be equated to the plug guard between reaching the contact turn and the block state (Ossification) the between the contact turn and the remaining end face of the receiving chamber Residual spring is possible.
  • the typical mechanical properties the coil spring and the constructive design of the diameter of the receiving chamber, the receiving chamber and the spring insertion area allow feeding the round connector pin with a large angle error, radial and axial misalignment.
  • With appropriate Choice of spring material and correct dimensional coordination of the spring contact system remains the spring force the coil spring and thus the contact force itself extreme climatic conditions until the end of their service life of the connector system.
  • Bpsw. is the Contact turn at least in the second third of the coil spring trained, preferably also in the second half the coil spring. But it can also be an individual different arrangement can be made because of the position the contact winding in the course of the helical spring from the free pin length, the most dimensionally unfavorable tolerance chain between the pin tip and the contact turn and the design of the contact chamber and the position of the contact element is dependent.
  • the Coil spring itself can in the usual way from one Spring wire exist.
  • a front end of the connector pin can be designed in different ways. E.g. hemispherical.
  • a slightly conical shape is preferred Forming the front end of the connector pin.
  • the Coil spring overall suitably lies with one Preload in the connector receptacle or the receiving chamber a. This turns the coil spring into contact pressure a contact element on a rear face For example, as detailed below described, built to be a safe electrical To ensure contacting of the leading wire.
  • a connector pin When a connector pin is inserted it can be plugged in Dependence on the preload and the insertion pressure to lift the willow feather from the front Contact surface of the insertion opening of the receiving chamber come.
  • the coil spring lifts when it is pulled out of the connector pin not from the front contact surface on the contact element.
  • a wall of the reception chamber which is arranged to the side of the coil spring, preferably extends at a distance of at least about a diameter of a spring wire which one consists of the coil spring corresponds to the coil spring.
  • An outer diameter of the coil spring will surpass both sides by at least 0.5 mm. this applies bsw. for small pin diameters; the spring contact system can also be used with a different design will. This ensures that the coil spring a non-centered connector pin can dodge to avoid one too quickly increasing, wear-promoting frictional force.
  • a rear end of the coil spring is more preferred with connected a contact element that is under implementation through the receiving chamber in the radial direction electrical connection allows. Furthermore, the contact element also in the axial direction into the receiving chamber be fitted.
  • the Receiving chamber preferably designed open at the end.
  • the inserted contact part for example in the receiving chamber contact part inserted from behind, thus replacing the rear end face of the receiving chamber and offers the Coil spring the system at the spring end. At the same time this is good contact between the coil spring and reached the contact part.
  • the contact part can continue be provided with a crimp connection for immediate Crimp on a strand.
  • the helical spring is a spiral spring, which has some turns, the diameter of which is larger is as the outside diameter of the connector pin and which has further turns that opposite one another the outer diameter of the connector pin smaller diameter exhibit.
  • the Coil spring overall funnel-shaped.
  • an electrical connector 1 the there is a helical spring 2 and a plug pin 3.
  • the coil spring 2 and the plug pin 3 are electrical conductive.
  • An electrical circuit 4 can be inserted into the helical spring 2 getting closed.
  • the helical spring 2 mainly turns 5 having an equal (inner) main diameter. Furthermore, the helical spring 2 also has contact turns 6, one opposite the main diameter have smaller contact blades dk.
  • the main diameter ie is a little larger than an outer diameter d of the connector pin 3 while a contact diameter dk is smaller than the diameter d of the connector pin 3rd
  • Fig. 3 it can be seen that the coil spring 2 in a receiving chamber 7 is arranged.
  • the coil spring 2 is inserted into the receiving chamber 7 with prestress, so that they are on the front face 8 or rear end face 9 of the receiving chamber 7 with bias is present.
  • the concern on the rear face can by means of or on a contact element 10 be given, which is described in more detail below is.
  • the receiving chamber 7 can, for example, in the plastic injection molding process - If necessary in two parts to insert the Coil spring 2 - be made.
  • a front end of the coil spring 2 assigned an insertion funnel 12 which into a Insertion opening 13 opens.
  • the insertion opening 13 has about a diameter that is a major diameter ie corresponds to the turns 5.
  • Fig. 4 is the process of inserting a pin into the coil spring and the resulting contact state clarified in detail.
  • the plug pin 3 is inserted so far into the coil spring is that this is in any case in the area of their free end turns 5 ° (slightly) compress. Because of the geometry of the contact turns 6 is provided 4 introduced a pin between the longitudinal axis a "of the plug pin 3 and the central axis a 'of the - unaffected - coil spring a. Due to the given geometry, the dome-shaped Design of a tip of the connector pin in and of course extending obliquely to the central axis a ' Contact turns 6 still gives the essential Effect that the coil spring 2 bend is looking for.
  • a conductive connection between the coil spring 2 and a voltage source 14 (see FIG. 1) of the circuit 4 can in detail by the already mentioned Contact element 10 (see. Fig. 3) can be achieved.
  • This Contact element 10 has a platelet-shaped contact surface 14 through a radial opening 15 in the Receiving chamber 7 is inserted into this. she lies in front of the rear end wall 9 of the receiving chamber 7. Die Coil spring 2 is in - on the front - pressure system the plate 14. A spread-out latching foot 14 'of Contact element 10 can in a recess 16 Be receiving chamber 7 inserted.
  • Ben an embodiment of the electrical connector 6 is the coil spring as a spiral spring 22 trained. It tapers from a tallest Diameter D1 at its beginning to a smallest diameter D2 at its end.
  • the connector pin 3 is such inserted into the coil spring 22 that the larger Diameter of the coil of the coil spring 22 is not on the Pin 3, some of the smaller helix with a smaller diameter.

Claims (10)

  1. Liaison électrique à enfichage (1) avec un logement d'enfichage (7) et une broche d'enfichage (3), en particulier une broche d'enfichage (3) à section transversale ronde, dans laquelle le logement d'enfichage (7) comporte une chambre de réception et un ressort hélicoïdal (2) présentant des enroulements individuels (5, 6) susceptibles d'être comprimés dans la direction axiale est disposé dans la chambre de réception, les enroulements (5) présentant principalement le même diamètre principal (dh), caractérisée en ce que le diamètre principal (dh) est supérieur au diamètre extérieur (d) de la broche d'enfichage (3), et en ce qu'un ou quelques enroulements de contact (6) ont un diamètre de contact (dk) inférieur au diamètre principal (dh), le diamètre de contact (dk) étant également inférieur au diamètre extérieur (d) de la broche d'enfichage (3).
  2. Liaison électrique à enfichage (1) selon la revendication 1, caractérisée en ce que, grâce à une coopération entre un enroulement de contact (6) et une zone avant de la broche d'enfichage (3), les enroulements (5) se trouvant dans une zone avant du ressort hélicoïdal (2) viennent en appui de contact sur la broche d'enfichage (3).
  3. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce que l'enroulement de contact (6) est disposé de façon décalée dans la direction d'enfichage de la broche d'enfichage (3), par rapport à une zone arrière du ressort hélicoïdal (3).
  4. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'une extrémité avant de la broche d'enfichage (3) est réalisée selon une forme conique.
  5. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce que le ressort hélicoïdal (2) est disposé avec une pré-contrainte dans la chambre de réception (7).
  6. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce que le ressort hélicoïdal (2) appuie seulement du coté frontal dans la chambre de réception (7).
  7. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'une paroi de la chambre de réception (7) est placée avec un espacement (a), disposé latéralement par rapport au ressort hélicoïdal (2), espacement correspondant au moins approximativement à un diamètre du fil de ressort, à partir duqucl est réalisé le ressort hélicoïdal (2).
  8. Liaison électrique à enfichage (1) selon une ou plusieurs des revendications précédentes, caractérisée en ce qu'une extrémité arrière du ressort hélicoïdal (2) est reliée à un élément de contact (10) qui permet, par passage à travers la chambre de réception d'enfichage (7), d'établir un raccordement électrique en direction radiale,
  9. Liaison électrique à enfichage (1) comportant un logement d'enfichagr (7) et une broche d'enfichage (3), en particulier une broche d'enfichage (3) à section transversale ronde, le logement d'enfichage (7) présentant une chambre de réception et dans la chambre de réception étant disposé un ressort hélicoïdal présentant des enroulements individuels (5) susceptibles d'être comprimés dans la direction axiale, caractérisée en ce que le ressort hélicoïdal est un ressort spiral (22) qui présente quelques enroulements dont le diamètre est supérieur au diamètre extérieur de la broche d'enfichage (3) et qui présente d'autres enroulements qui ont un diamètre inférieur au diamètre extérieur de la broche d'enfichage (3).
  10. Liaison électrique à enfichage (1) selon la revendication 9, caractérisée en ce que le ressort spiral (22) est disposé de façon à pouvoir se déformer radialement dans le logement d'enfichage (7).
EP95924279A 1994-06-29 1995-06-19 Connecteur electrique a fiches Expired - Lifetime EP0767978B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97119582A EP0836245B1 (fr) 1994-06-29 1995-06-19 Connecteur électrique à fiches

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE4422437 1994-06-29
DE4422437 1994-06-29
DE4433657 1994-09-21
DE4433657 1994-09-21
DE4441303A DE4441303A1 (de) 1994-06-29 1994-11-21 Elektrische Steckverbindung
DE4441303 1994-11-21
PCT/EP1995/002364 WO1996000994A1 (fr) 1994-06-29 1995-06-19 Connecteur electrique a fiches

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97119582A Division EP0836245B1 (fr) 1994-06-29 1995-06-19 Connecteur électrique à fiches

Publications (2)

Publication Number Publication Date
EP0767978A1 EP0767978A1 (fr) 1997-04-16
EP0767978B1 true EP0767978B1 (fr) 1998-10-28

Family

ID=27206521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95924279A Expired - Lifetime EP0767978B1 (fr) 1994-06-29 1995-06-19 Connecteur electrique a fiches

Country Status (14)

Country Link
US (2) US5906520A (fr)
EP (1) EP0767978B1 (fr)
JP (1) JP3560615B2 (fr)
CN (2) CN1119843C (fr)
AT (2) ATE233964T1 (fr)
AU (1) AU2885395A (fr)
CZ (2) CZ286008B6 (fr)
DK (1) DK0767978T3 (fr)
ES (2) ES2188851T3 (fr)
HK (1) HK1000645A1 (fr)
PL (1) PL177680B1 (fr)
PT (1) PT836245E (fr)
SK (2) SK282668B6 (fr)
WO (1) WO1996000994A1 (fr)

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CN102823072B (zh) * 2010-03-24 2015-04-15 日本发条株式会社 连接器
TWI418732B (zh) * 2011-01-20 2013-12-11 Lextar Electronics Corp Light body connection device
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FR3010241B1 (fr) * 2013-09-04 2017-01-06 Hypertac Sa Connecteur electrique a effort d'insertion reduit
CH708837A1 (de) 2013-11-14 2015-05-15 Kistler Holding Ag Piezoelektrischer Kraftsensor mit lösbarer elektrischer Verbindung zwischen Elektrode und Kontaktpin.
DE202014001590U1 (de) * 2014-02-20 2014-04-07 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbindung
CN106420315A (zh) * 2016-11-08 2017-02-22 江苏德尔福医疗器械有限公司 一种智能健阴仪
US10608354B2 (en) * 2017-03-23 2020-03-31 Verily Life Sciences Llc Implantable connector with two electrical components
CN107681286A (zh) * 2017-10-24 2018-02-09 镇江科胜电子科技有限公司 一种插入式电子连接器
CN107910668A (zh) * 2017-10-27 2018-04-13 镇江科胜电子科技有限公司 一种压入式电子连接器
CN109216990A (zh) * 2018-09-11 2019-01-15 东莞中探探针有限公司 导向定位式探针
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Also Published As

Publication number Publication date
DK0767978T3 (da) 1999-07-12
SK282667B6 (sk) 2002-11-06
CZ286008B6 (cs) 1999-12-15
CN1154763A (zh) 1997-07-16
SK167796A3 (en) 1997-06-04
US5906520A (en) 1999-05-25
CN1198365C (zh) 2005-04-20
AU2885395A (en) 1996-01-25
EP0767978A1 (fr) 1997-04-16
HK1000645A1 (en) 2003-11-21
PL317990A1 (en) 1997-05-12
ES2123260T3 (es) 1999-01-01
JPH10502211A (ja) 1998-02-24
WO1996000994A1 (fr) 1996-01-11
CZ288203B6 (en) 2001-05-16
ATE233964T1 (de) 2003-03-15
CN1389960A (zh) 2003-01-08
PT836245E (pt) 2003-07-31
PL177680B1 (pl) 1999-12-31
ES2188851T3 (es) 2003-07-01
CN1119843C (zh) 2003-08-27
SK282668B6 (sk) 2002-11-06
JP3560615B2 (ja) 2004-09-02
US6086432A (en) 2000-07-11
ATE172817T1 (de) 1998-11-15
CZ374596A3 (en) 1997-06-11

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