EP1756916B1 - Dispositif d'actionnement - Google Patents

Dispositif d'actionnement Download PDF

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Publication number
EP1756916B1
EP1756916B1 EP05716489A EP05716489A EP1756916B1 EP 1756916 B1 EP1756916 B1 EP 1756916B1 EP 05716489 A EP05716489 A EP 05716489A EP 05716489 A EP05716489 A EP 05716489A EP 1756916 B1 EP1756916 B1 EP 1756916B1
Authority
EP
European Patent Office
Prior art keywords
groove
sealing part
housing
actuating device
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.)
Not-in-force
Application number
EP05716489A
Other languages
German (de)
English (en)
Other versions
EP1756916A1 (fr
Inventor
Heinz Jacobus
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.)
Hydac Electronic GmbH
Original Assignee
Hydac Electronic 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 Hydac Electronic GmbH filed Critical Hydac Electronic GmbH
Priority to PL05716489T priority Critical patent/PL1756916T3/pl
Publication of EP1756916A1 publication Critical patent/EP1756916A1/fr
Application granted granted Critical
Publication of EP1756916B1 publication Critical patent/EP1756916B1/fr
Not-in-force 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert

Definitions

  • the invention relates to an actuating device, in particular actuating magnet, for driving valves, with a housing and a coil body arranged therein, in which a switching part is guided and which is provided with the winding of a conductor which is connected by means of a holding device with contact parts of a connector plate, which is placed while maintaining a distance by means of a plug insert on the outer peripheral surface of the housing, wherein the plug insert for the installation of an annular sealing part has a contact surface which extends groove-shaped within the plug insert and wherein in the installed state by pressing the sealing part at least in the direction of the bobbin occurring gap between the plug plate and the outer peripheral surface of the housing is sealingly closed.
  • actuating devices which are also referred to as actuation magnets
  • the switching part is essentially formed from a tubular bolt, which is a predeterminable upon electrical excitation of the coil via a connectable to the connector plate device plug Traveling distance covers this and triggers an actuation or switching operation, for example, in a valve shutting off and guiding fluid flows triggers.
  • the plug-in has an internal thread and two cutting inserts, each provided with a spline are and which are separated from each other by a groove-shaped abutment shoulder for receiving the annular sealing part.
  • the gap formation in the region of the plug plate between the potting compound and the outer peripheral surface of the housing is very narrow and is closed by the annular sealing part in the compressed state then the sealing part is stretched very strongly in the direction of the gap and compressed in a pressing manner , which leads to a high material load in the annular sealing part and in particular due to the sharp-edged design of the cutting inserts damage to the sealing part can not be excluded, which may affect the sealing function such that it comes in later operation to failure of the actuator and thus to failures in hydraulic circuits to which the actuator is operatively connected.
  • the present invention seeks to provide a small-scale as possible actuating device, which is particularly suitable for use in vehicle technology and still functional at high humidity in operation - even over a long period of use - is , This object is achieved by an actuator with the features of claim 1 in its entirety.
  • the groove depth is selected such that in the unpressed state about half of the sealing part is received in the groove and that in the installed state, the groove is completely filled with the sealing part to a supernatant, the sealing closes the gap occurring, the moisture at the location of the attachment of the connector plate can no longer get into the housing interior and in particular not to the bobbin with the winding.
  • the annular sealing part is chambered in a groove of the plug insert, which also has a large volume of displacement space into which the sealing part can be displaced during encapsulation with the plastic potting compound, harmful compression, shear and shear forces are on the sealing part largely excluded, which ensures that even over long periods of use, the sealing function is maintained in a reliable manner.
  • the chambered sealing part retains, in particular outwardly, its part-annular sealing surface and can thus make the said gap seal with a high degree of elasticity. Since the groove in the plug insert can be provided on the groove bottom with rounded transitions to the transverse side walls, sharp-edged, the sealing effect optionally impairing edge geometries are avoided within the plug insert. Without being displaced or pressed in, as shown in the prior art, in a sealing gap extending parallel to the longitudinal axis of the plug insert, the preferably O-ring-shaped cross section of the sealing part is maintained, which can best fulfill its sealing function for the gap.
  • the switching device has a bobbin 10 made of plastic material, wherein the bobbin 10 ends has two annular flanges 12, between which the winding package 14 of a conductor 16 extends, the pertinent coil for ease of representation in the Fig.1 was omitted.
  • a switching part (not shown) out, in particular with the pertinent switching part control and actuate hydraulic valves.
  • the bobbin 10 is surrounded by a substantially cylindrically shaped housing 18 made of metallic material.
  • the pertinent structure is common in solenoid actuators, so that will not be discussed in more detail here at this point.
  • the annular flange 12 of the bobbin 10 which faces the environment, forms a ring plate 20 (FIG. Fig.2 ), which engages with an integrally formed on it holding means 22 an end-side groove-shaped recess 24 in the housing 18, wherein both the annular plate 20 and the holding device 22 at least partially along its outer contour a radial gap 26 to the facing housing parts 18 leave free, with a Plastic potting compound 28 can be ejected.
  • a Plastic potting compound 28 can be ejected.
  • Fig.1 the potting compound 28 also omitted.
  • the ring plate 20 For centering the ring plate 20 within the inner periphery of the housing 18, it can be kept at a distance and center-centered for the encapsulation or encapsulation with the potting compound 28 over radial projections 30 protruding along its outer circumference.
  • the radial projections 30 are dimensioned such that they center the holding device 22 for insertion into the Umg discern- or Umspritzform sufficiently accurate. After insertion into the mold but creates a gap between the housing 18 and holding device 22.
  • the holding device 22 has a central piece 32 which is formed as a flat plate and which projects radially beyond the groove-shaped recess 24.
  • the holding device 22 has at its end on the plate-shaped center piece 32, two pin-like extensions 34, around which the ends of the conductor 16 are wound in order to ensure such a firm connection of the conductor 16 with the holding device 22.
  • two pairs of webs 36 are provided on the upper side of the middle piece 32 in each outer region, each having a receptacle with a V-shaped cross section, in which the conductor 16 can be inserted.
  • a guide device (not shown in detail), by means of which the conductor 16 intersects in the addressed region and without touching the winding package 14 at this point is led running.
  • the conductor 16 is guided by means of the holding device 22 over a predetermined distance between the respective pairs of webs 36 such that they for direct contact with two contact parts 38 of a connector plate 40 of at least one side, but preferably of all Pages off, freely accessible.
  • the respective contact part 38 of the connector plate 40 has a roof-like connecting piece 42 which can be placed from above onto the conductor piece between the two pairs of webs 36.
  • the two free leg pieces of each connecting piece 42 which include the conductor 16 within the holding device 22, can be compressed and then welded together, wherein a conductive connection between the respective contact part 38 and the associated conductor piece of the conductor 16 is established.
  • the roof-like Vietnamese Vietnamesesstükke 42 are each offset outwardly to the respective extension 34 out and connected to a respective flat contact path 44, arranged on the perpendicular to her and connected to a connector tab 46 of the connector plate 40 is present, which is above the top of the switching device also available.
  • a pertinent contact track 40 is in the Fig.1 shown only for the likewise designed as a connector lug 46 ground terminal, which is like the other connector lugs 46 upwards and for connection to female connector parts of a device plug (not shown) is provided for the subsequent power supply.
  • All contact paths 44 and connector lugs 46 can be cut or punched out of a flat board and are then encapsulated with the plastic material of the connector plate 40.
  • the plug plate 40 has substantially centrally a plug insert 48 which is formed in the manner of a cylindrical sleeve. By means of this plug insert 48, the plug plate 40 can be placed while maintaining a distance on the outer peripheral surface 50 as the outer wall of the housing 18.
  • the plug insert 48 has for the installation of an annular sealing part 52 ( Fig.1 ) a contact surface 54 which extends groove-shaped within the plug insert 48.
  • the groove depth of the groove 56 is selected such that in the unmressed Condition as shown in the Fig.1 only about half of the sealing part 52 is received.
  • the cross section of the groove 56 is rectangular, in particular square, wherein in the unpressed state, the sealing part 52 abuts at least along two diametrically opposed sealing lines 60 on the inside of the groove 56.
  • the two side walls 62 and 64 of the groove 56 are perpendicular to the groove bottom 66, wherein in the unmolded state as shown in the Fig.1 between the received in the groove 56 sealing member 52 and the groove 56 itself a displacement chamber 68 is formed.
  • the displacement chamber 68 itself is in turn subdivided via the annular sealing part 52 into two partial spaces 68a, b.
  • the groove 56 in the region of the transition between their respective side walls 62,64 and the groove bottom 66 seen in cross-section arcuate transitions. If the annular sealing part 52 in the unmolded state as shown in the Fig.1 with its inner circumference rests against the groove bottom 66, so far a further sealing line with the walls of the groove 56 is realized.
  • the plug insert 48 is subdivided by the outer peripheral side introduced groove 56 into two areas 70,72, of which the one portion 70 is received in the housing 18 such that the groove 56 with its one lower side wall 64 by a step 74 offset with the outer peripheral surface 50th of the housing 18 closes. Insofar, the step 74 also limits the later-to-be-sealed gap 58.
  • the other region 72 of the plug-in insert 48 tapers in a heel-like manner in the direction of the plug plate 40 and on the side facing away from the groove 56 of the paragraph 76 thus formed is a contact surface 78 for serving as a ground terminal contact part 38 of the connector plate 40 is present.
  • the plug insert 48 is formed from an electrically conductive, in particular metallic material and the plug insert 48 penetrates the said ground connection in the form of the contact part 38.
  • the height of the plug insert 48 is selected such that it extends between the inner wall 80 of the housing 18 to the Top 82 of the connector plate 40 extends.
  • an inlet space 84 is limited, which serves to supply the potting compound 28 for sealing purposes, wherein during encapsulation of in Fig.1 parts shown, the sealing member 52 is pressed into the displacement chamber 68 of the groove 56 until the elastic parts of the sealing member 52 in abutment with the side walls 62,64 and with the groove bottom 66 of the groove 56.
  • inlet passages 86 available.
  • the plug insert 48 is formed on the outer peripheral side as a smooth socket part; However, it would also be conceivable od a corrugation. Like. Provide to facilitate the connection with the plastic potting compound 28. It is surprising for a person of ordinary skill in the field of actuating and switching magnets that he receives using a conventional O-ring in a suitably designed plug 48 over the known solutions a significantly improved sealing effect with long-lasting operating life, without the sealing member 52 preferably would be exposed in the form of an O-ring overly damaging stresses.
  • the spaces forming the free spaces 68a, b of the displacement chamber 68 also form a receptacle for the O-ring insofar as by temperature fluctuations, in particular in the form of a temperature increase, the geometric dimensions of the O-ring can change, in particular in the form of a volumetric expansion, which is received by the subspaces 68a, b.

Claims (10)

  1. Dispositif d'actionnement, notamment aimant d'actionnement, pour commander des soupapes, comprenant un boîtier (18) et un corps (10) de bobine, qui y est disposé, dans lequel est guidé une partie de commutation et qui est muni de l'enroulement (14) d'un conducteur (16), lequel est relié, au moyen d'un dispositif (22) de maintien, à des parties (38) de contact d'une plaque (40) de connecteur, qui, en conservant une certaine distance, est mise au moyen d'un insert (48) d'enfoncement sur la surface (50) périphérique extérieure du boîtier (18), l'insert (48) d'enfoncement ayant, pour l'application d'une partie (52) d'étanchéité annulaire qui y est disposée, une surface (54) d'application, qui s'étend en forme de rainure, à l'intérieur de la pièce (48) d'enfoncement et dans lequel, à l'état monté, par compression de la partie (52) d'étanchéité, au moins l'intervalle (58) se produisant dans la direction du corps (10) de bobine, entre l'insert (48) d'enfoncement et la surface (50) périphérique extérieure du boîtier (18), est fermé de manière étanche, caractérisé en ce que la profondeur de la rainure est choisie de manière à ce que, à l'état non comprimé, à peu près la moitié de la partie (52) d'étanchéité soit reçue dans la rainure (56) et de manière à ce que, à l'état monté, la rainure (56) soit remplie complètement jusqu'à débordement de la partie (52) d'étanchéité, qui ferme avec étanchéité l'intervalle (58) qui se produit.
  2. Dispositif d'actionnement suivant la revendication 1, caractérisé en ce que la section transversale de la rainure (56) est rectangulaire, en étant notamment carrée, et en ce qu'à l'état non comprimé, la partie (52) d'étanchéité s'applique à la paroi de la rainure (56), au moins le long de deux lignes (60) d'étanchéité, opposées diamétralement l'une à l'autre.
  3. Dispositif d'actionnement suivant la revendication 1 ou 2, caractérisé en ce que les deux parois (62, 64) latérales de la rainure (56) sont perpendiculaires au fond (66) de la rainure et en ce que, à l'état non comprimé, un espace (68) de refoulement est formé, entre la partie (52) d'étanchéité reçue dans la rainure (56) et la rainure (56) elle-même.
  4. Dispositif d'actionnement suivant la revendication 3, caractérisé en ce que l'espace (68) de refoulement se subdivise en deux sous-espaces (68a, b) et en ce que la subdivision est provoquée par la partie (52) d'étanchéité.
  5. Dispositif d'actionnement suivant l'une des revendications 1 à 4, caractérisé en ce que l'insert (48) d'enfoncement est subdivisé, par la rainure (56) ménagée du côté du pourtour extérieur, en deux parties (70, 72), dont l'une (70) est reçue dans le boîtier (18), en ce que la rainure (56) est, par l'une de ses parois (64) latérales, à affleurement avec la surface (50) périphérique extérieure du boîtier (18) ou décalée d'un gradin (74) par rapport à celle-ci.
  6. Dispositif d'actionnement suivant la revendication 5, caractérisé en ce que l'autre partie (72) de l'insert (48) d'enfoncement se rétrécit à la manière d'un gradin, dans la direction de la plaque (40) de connecteur, et en ce qu'elle a une surface (78) d'application d'au moins une partie (38) de contact servant de borne de la plaque (40) de connecteur du côté du gradin (76) formé, qui est éloigné de la rainure (56).
  7. Dispositif d'actionnement suivant la revendication 6, caractérisé en ce que l'insert (48) d'enfoncement est en un matériau conducteur de l'électricité, notamment en un matériau métallique, et en ce que l'insert (48) d'enfoncement traverse la borne de masse.
  8. Dispositif d'actionnement suivant l'une des revendications 1 à 7, caractérisé en ce que la hauteur de l'insert (48) d'enfoncement est choisie, de manière à ce qu'il s'étende entre la paroi (80) intérieure du boîtier (18) jusqu'à la face (82) supérieure de la plaque (40) de connecteur.
  9. Dispositif d'actionnement suivant l'une des revendications 4 à 8, caractérisé en ce que, entre la surface (50) périphérique extérieure du boîtier (18) et la plaque (40) de connecteur, est délimité un espace (84) d'accès, qui sert à faire accéder une composition (28) de scellement à des fins d'étanchéité, laquelle refoule en partie la partie (52) d'étanchéité dans l'espace (68) de refoulement de la rainure (56).
  10. Dispositif d'actionnement suivant l'une des revendications 1 à 9, caractérisé en ce que la partie (52) d'étanchéité annulaire est formée d'une plaque d'étanchéité circulaire, notamment d'un joint torique.
EP05716489A 2004-06-16 2005-04-01 Dispositif d'actionnement Not-in-force EP1756916B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05716489T PL1756916T3 (pl) 2004-06-16 2005-04-01 Urządzenie uruchamiające

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004029185A DE102004029185A1 (de) 2004-06-16 2004-06-16 Betätigungsvorrichtung
PCT/EP2005/003419 WO2005124934A1 (fr) 2004-06-16 2005-04-01 Dispositif d'actionnement

Publications (2)

Publication Number Publication Date
EP1756916A1 EP1756916A1 (fr) 2007-02-28
EP1756916B1 true EP1756916B1 (fr) 2010-10-13

Family

ID=34962603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05716489A Not-in-force EP1756916B1 (fr) 2004-06-16 2005-04-01 Dispositif d'actionnement

Country Status (7)

Country Link
US (1) US7471177B2 (fr)
EP (1) EP1756916B1 (fr)
JP (1) JP2008503074A (fr)
AT (1) ATE484863T1 (fr)
DE (2) DE102004029185A1 (fr)
PL (1) PL1756916T3 (fr)
WO (1) WO2005124934A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025574A1 (de) * 2010-06-30 2012-01-05 Robert Bosch Gmbh Elektromagnet
DE102010055212A1 (de) * 2010-12-20 2012-06-21 Svm Schultz Verwaltungs-Gmbh & Co. Kg Elektromagnet mit einem Anschlussbereich

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521823A (en) 1968-07-19 1970-07-28 United Carr Inc Method of making a sealed electrical connector component
US3922477A (en) 1971-08-30 1975-11-25 Viking Industries Through-wall conductor seal
DE3833474C2 (de) * 1988-10-01 1996-12-19 Teves Gmbh Alfred Ventilblock für eine schlupfgeregelte hydraulische Bremsanlage
DE4341087C2 (de) * 1993-12-02 1996-02-08 Bso Steuerungstechnik Gmbh Abgedichtete Schaltvorrichtung
DE19854100B4 (de) * 1998-11-24 2013-10-10 Bosch Rexroth Aktiengesellschaft Magnetspulenanordnung
JP2001241468A (ja) * 2000-02-29 2001-09-07 Sanden Corp 電磁クラッチ用ヨーク
EP1284003B1 (fr) 2000-05-25 2009-12-02 Bosch Rexroth AG Ensemble bobine d'excitation
DE10104998A1 (de) * 2001-02-03 2002-08-22 Hydac Electronic Gmbh Schaltvorrichtung

Also Published As

Publication number Publication date
EP1756916A1 (fr) 2007-02-28
US20070246668A1 (en) 2007-10-25
DE502005010388D1 (de) 2010-11-25
US7471177B2 (en) 2008-12-30
PL1756916T3 (pl) 2011-04-29
ATE484863T1 (de) 2010-10-15
DE102004029185A1 (de) 2006-01-12
WO2005124934A1 (fr) 2005-12-29
JP2008503074A (ja) 2008-01-31

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