EP0841722B1 - Connecteur électrique concu spécialement pour une valve électrique - Google Patents

Connecteur électrique concu spécialement pour une valve électrique Download PDF

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Publication number
EP0841722B1
EP0841722B1 EP97115594A EP97115594A EP0841722B1 EP 0841722 B1 EP0841722 B1 EP 0841722B1 EP 97115594 A EP97115594 A EP 97115594A EP 97115594 A EP97115594 A EP 97115594A EP 0841722 B1 EP0841722 B1 EP 0841722B1
Authority
EP
European Patent Office
Prior art keywords
contact carrier
face
connector
sealing collar
sheath
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
EP97115594A
Other languages
German (de)
English (en)
Other versions
EP0841722A1 (fr
Inventor
Helmut Fuchs
Lothar Fuhrmeister
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.)
Lumberg Automation Components GmbH and Co KG
Original Assignee
Lumberg Automation Components GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lumberg Automation Components GmbH and Co KG filed Critical Lumberg Automation Components GmbH and Co KG
Publication of EP0841722A1 publication Critical patent/EP0841722A1/fr
Application granted granted Critical
Publication of EP0841722B1 publication Critical patent/EP0841722B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R13/621—Bolt, set screw or screw clamp
    • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts

Definitions

  • the invention relates to an electrical connector, in particular a plug for connection to solenoid valves, with a plug contact elements containing contact carrier and with this and possibly an electronic circuit and terminal conductor enveloping sheath of relatively soft plastic material set, wherein the jacket over the counterpart part as the solenoid valve facing end face of the contact carrier projecting, annular circumferential sealing collar forms, and wherein at the foot of the sealing collar a gap between the jacket and the contact carrier cross and the end face of the contact carrier contacting material area is connected.
  • the material area forms a narrow, circumferential sealing lip, which overlaps the peripheral edge of the end face of the contact carrier slightly.
  • the jacket is formed by molding the contact carrier and its associated components and lead ends with a plastic material.
  • the material used for the overmolded jacket is a relatively soft plastic, such as e.g. a thermoplastic polyurethane elastomer.
  • the sealing area can be the jacket, in particular due to its elasticity, in case of improper handling of the connector partially solve the contact carrier from the contact carrier.
  • the sealing collar moves away from the contact carrier and here opens a gap, in and through the moisture or impurities, such as dust, can enter and crawl into the plug.
  • the gap formation can also lead to permanent deposits of foreign particles and thus to bulges of the side walls of the shell, which can have the consequence that the sealing effect of the sealing collar is completely lost.
  • the invention is therefore an object of the invention to provide an electrical connector presupposed in the preamble of claim 1 way in which the capillary is turned off and can reach neither moisture nor impurities to be protected contact elements and possibly electronic circuits and lead ends.
  • the invention solves this problem with the features of claim 1 and is accordingly characterized in that the material region extends over the end face of the contact carrier away and at least partially connects the foot portions of the sealing collar tensile strength with each other.
  • the material region largely spans the end face of the contact carrier substantially only with the exception of the openings for plug-in contact elements and possibly a fastening element like screw or the like., With which the connector is set on the mating connector part.
  • the contact carrier may be provided on its outer surface with grooves in which the casing material engages positively and thus is held particularly secure on the contact carrier.
  • the grooves are undercut and extend in the direction transverse to the end face of the contact carrier.
  • a connector according to the invention prevents the known in the prior art as the cause of its disadvantages gap opening, as transmitted to the sealing collar in terms of its local spread from the contact carrier outward forces transmitted from the local foot area on a substantially opposite to the direction of pull foot counter forces.
  • the material area covers almost the entire end face of the contact carrier, a gap formation in the critical area between the contact carrier and the sheath enclosing it is otherwise completely impossible.
  • the invention also has the advantage that as material of the plastic sheath, an at least as soft and resilient material can be used as it is used in the known connectors.
  • the connector shown in its entirety by 10 in Fig. 1 initially comprises a plastic contact carrier 11, in the contact elements 12, e.g. Fork spring contacts (Fig. 3) are received, with which corresponding complementary contact elements, for. B. pin or blade contacts, a mating connector part not shown pluggable cooperate.
  • a plastic contact carrier 11 in the contact elements 12, e.g. Fork spring contacts (Fig. 3) are received, with which corresponding complementary contact elements, for. B. pin or blade contacts, a mating connector part not shown pluggable cooperate.
  • the connector 10 is formed due to its recessed "female" contact elements 12 as a socket. Accordingly, the end face 13 of the contact carrier 11 openings 14 as insertion openings for the contact pins of the mating connector part.
  • the contact carrier 11 is penetrated by a bore 15 which serves to receive a screw, with which the connector 10 can be secured or secured to the mating connector part.
  • the contact carrier 11 is then encapsulated with a plastic compound, which forms a designated 16 compliant coat. This is also plug housing and handle body.
  • the jacket 16 also encloses a possibly arranged therein circuit board and the terminal ends of a leading through the spout 17, not shown, connecting line.
  • the jacket 16 protrudes beyond the end face 13 of the contact carrier 11 to form a resilient, annular seal, whereby a sealing collar 18 is formed.
  • At least one material region designated by 21, which spans the end face 13 of the contact carrier 11, is formed at the same time as the injection of the sealing collar 18. In the embodiment, this is done essentially over the entire surface, but with the recess already described openings 14 and 15 in the contact carrier.
  • This additional material region 21 is-as FIG. 3 makes clear-formed in the foot region 22 of the sealing collar 18, so that the sealing collar 18 protrudes functionally over the outer surface 23 of the material region 21.
  • the entire circumferential foot 22 of the sealing collar 18 is connected to the - in this case substantially plate-shaped and large-area - material region 21. It is essential that the end face 13 of the contact carrier 11 spanning, tensile material region 21 can exert restraining forces when trying to deform at any circumferential point the sealing collar 18 to the outside.
  • a special positive connection comprises in the outside of the contact carrier 11 molded grooves 25. These are preferably formed undercut, as shown with dovetail cross-section. They extend in the insertion direction of the connector and take material of the shell 16 in its encapsulation form-fitting manner. Thus, the jacket 16 is peripherally held by the contact carrier 11 in addition to this.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (5)

  1. Connecteur à enfichage électrique, en particulier prise mâle pour le raccordement à des électrovannes, avec un support de contact (11), contenant des éléments de contact à enfichage, et avec une enveloppe (16) enveloppant celui-ci et, le cas échéant, un circuit électronique ainsi que des extrémités de conducteur de raccordement, l'enveloppe étant formée d'un matériau synthétique réglé de façon relativement souple, l'enveloppe constituant une collerette d'étanchéité (18) de pourtour en forme d'anneau faisant saillie de la face frontale (13), tournée vers la partie de prise conjuguée, telle que l'électrovanne, du support de contact, au pied de la collerette d'étanchéité, étant liée, par la matière, une zone de matériau (21) couvrant l'intervalle entre l'enveloppe et le support de contact et entrant en contact avec la face frontale du support de contact, la zone de matériau (21) s'étendant sur la face frontale (13) du support de contact (11), caractérisé en ce que la zone de matériau relie ensemble de façon rigide en traction, au moins par tronçons, des zones de pied de la collerette d'étanchéité.
  2. Connecteur électrique à enfichage selon la revendication 1, caractérisé en ce que la zone de matériau (21) couvre sensiblement la totalité de la face frontale (13) du support de contact (11), à l'exception de passages (14 ; 15) pour des éléments de contact et, le cas échéant, pour un élément de fixation, tel qu'une vis ou analogue.
  3. Connecteur électrique à enfichage selon la revendication 1 ou 2, caractérisé en ce que le support de contact (11) est muni, sur sa face extérieure (24), de rainures (25), dans lesquelles le matériau d'enveloppe s'engage en produisant une liaison à ajustement de forme.
  4. Connecteur électrique à enfichage selon la revendication 3, caractérisé en ce que les rainures (25) sont munies de contre-dépouille.
  5. Connecteur électrique à enfichage selon les revendications 3 et 4, caractérisé en ce que les rainures (25) s'étendent dans la direction transversale à la face frontale du support de contact (11).
EP97115594A 1996-11-11 1997-09-09 Connecteur électrique concu spécialement pour une valve électrique Expired - Lifetime EP0841722B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646293 1996-11-11
DE19646293A DE19646293C1 (de) 1996-11-11 1996-11-11 Elektrischer Steckverbinder, insbesondere Stecker zum Anschluß an Magnetventile

Publications (2)

Publication Number Publication Date
EP0841722A1 EP0841722A1 (fr) 1998-05-13
EP0841722B1 true EP0841722B1 (fr) 2006-08-23

Family

ID=7811152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97115594A Expired - Lifetime EP0841722B1 (fr) 1996-11-11 1997-09-09 Connecteur électrique concu spécialement pour une valve électrique

Country Status (4)

Country Link
US (1) US5890928A (fr)
EP (1) EP0841722B1 (fr)
JP (1) JPH10172642A (fr)
DE (1) DE19646293C1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9089323B2 (en) 2005-02-22 2015-07-28 P Tech, Llc Device and method for securing body tissue
DE102005039506A1 (de) 2005-08-20 2007-02-22 Hirschmann Automation And Control Gmbh Steckverbinder mit einem an dem Gehäuse des Steckverbinders angeordneten unverlierbaren Dichtelement
DE102006033139B3 (de) * 2006-07-18 2008-01-31 Hirschmann Automation And Control Gmbh Steckverbinder mit einem weichen Außenmantel, einem Kontaktträger und einem Dichtkragen
DE102010025574A1 (de) * 2010-06-30 2012-01-05 Robert Bosch Gmbh Elektromagnet
DE102012223431A1 (de) * 2012-12-17 2014-06-18 Robert Bosch Gmbh Gehäuse für eine elektrische Maschine mit einer Dichtung
DE102020110640B4 (de) 2020-04-20 2023-02-09 Amphenol Tuchel Industrial GmbH Steckverbindersystem
US20230072117A1 (en) * 2020-05-28 2023-03-09 Zhejiang Dunan Artificial Environment Co., Ltd. Solenoid Valve Coil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2127544A (en) * 1935-03-22 1938-08-23 Hubbell Inc Harvey Waterproof rubber covering for cord connecters
US2458153A (en) * 1946-06-07 1949-01-04 Festge Charles Safety device for electric plugs
US2502634A (en) * 1947-05-22 1950-04-04 Ohio Brass Co Electric connector
US3120987A (en) * 1961-02-21 1964-02-11 Hubbell Inc Harvey Electrical cord connector having an improved protective covering
DE3507696C1 (de) * 1985-03-05 1986-04-17 Murr-Elektronik AG, Neuhausen Winkelstecker mit Anschlußkabel
IT232522Y1 (it) * 1994-08-31 2000-01-10 Cogip Srl Connettore elettrico/elettronico per connessione elettrovalvole di controllo dei fluidi in genere.

Also Published As

Publication number Publication date
DE19646293C1 (de) 1998-02-12
US5890928A (en) 1999-04-06
JPH10172642A (ja) 1998-06-26
EP0841722A1 (fr) 1998-05-13

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