FR2542413A1 - Method for assembling a solenoid valve controlled by an electromagnet, and device for implementing it - Google Patents

Method for assembling a solenoid valve controlled by an electromagnet, and device for implementing it Download PDF

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Publication number
FR2542413A1
FR2542413A1 FR8303983A FR8303983A FR2542413A1 FR 2542413 A1 FR2542413 A1 FR 2542413A1 FR 8303983 A FR8303983 A FR 8303983A FR 8303983 A FR8303983 A FR 8303983A FR 2542413 A1 FR2542413 A1 FR 2542413A1
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France
Prior art keywords
cylindrical guide
solenoid valve
controlled
electromagnet
assembling
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Withdrawn
Application number
FR8303983A
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French (fr)
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Individual
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Individual
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Priority to FR8303983A priority Critical patent/FR2542413A1/en
Publication of FR2542413A1 publication Critical patent/FR2542413A1/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves
    • F16K31/0658Armature and valve member being one single element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/40Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
    • F16K31/402Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a diaphragm

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The subject of the invention is a method for assembling a solenoid valve. The cylindrical guide 5 around which the electromagnet is arranged is fixed to the main casing by a clip 11 which is force fitted and held in its housing by crimping using rotation or ultrasound. Application: solenoid valves for washing machines or dishwashers.

Description

La présente invention a pour objet un procédé pour l'assemblage d'une électro-vanne a commande par électro aimant, du type comportant un boitier principal muni d'une entrée de fluide et d'au moins une sortie de fluide, ladite électro-vanne comportant un obturateur commandé par un noyau mobile en translation dans un guide cylindrique, ledit guide cylindrique comportant a l'une de ses extrémités un évasement venu de matiere avec le guide et determinant avec le corps une chambre d'ecoule- ment de fluide pouvant être obturée sous l'action dudit obturateur commande par le noyau qui est commandé par voie électromagnétique par un electro-aimant disposé autour dudit guide cylindrique. Elle concerne également un dispositif pour sa mise en oeuvre. The present invention relates to a method for assembling a solenoid valve controlled by an electromagnet, of the type comprising a main unit provided with a fluid inlet and at least one fluid outlet, said electro- valve comprising a shutter controlled by a core movable in translation in a cylindrical guide, said cylindrical guide comprising at one of its ends a flaring made of material with the guide and determining with the body a fluid flow chamber capable of be closed under the action of said shutter controlled by the core which is controlled electromagnetically by an electromagnet disposed around said cylindrical guide. It also relates to a device for its implementation.

Une électro-vanne de ce type a par exemple fait l'obje des brevets français 1 487 913 et 2 041 964 auxquels référence est expressément faite et qui sont introduits par voie de référence. Ces documents- constituent -I'état de la technique. A solenoid valve of this type has for example been the subject of French patents 1,487,913 and 2,041,964 to which reference is expressly made and which are introduced by reference. These documents constitute - the state of the art.

Dans ces dispositifs connus, l'ensemble constituant le guide cylindrique et l'évasement, venu de montage avec le guide, est rendu solidaire du boitier principal par vissage. In these known devices, the assembly constituting the cylindrical guide and the flaring, which is assembled with the guide, is made integral with the main unit by screwing.

Il est ainsi nécessaire d'utiliser 4 ou 6 vis uniquement pour cette seule opération, qui est inacceptable au niveau des coûts de production. It is thus necessary to use 4 or 6 screws only for this single operation, which is unacceptable in terms of production costs.

Pour remédier à ces inconvénients, il a déjà été proposé d'assembler le guide cylindrique sur le boitier par soudure par ultrasons. To overcome these drawbacks, it has already been proposed to assemble the cylindrical guide on the housing by ultrasonic welding.

Bien que cette technique ne mette en oeuvre aucune piece rapportée, ce qui est a priori moins onéreux, on rencontre de nombreuses difficultés en raison de l'oxydation quasi instantanée des pieces, entrainant des difficultés de soudure. Although this technique does not use any added parts, which is a priori less expensive, there are many difficulties due to the almost instantaneous oxidation of the parts, causing welding difficulties.

L'invention a pour objet de proposer un procédé d'assemblage aussi fiable que les procédés de l'art antérieur, ne présentant pas 1' inconvénient des nombreuses interventions mécaniques du vissage, ni celui des difficultés de soudure de la technique par ultrasons. The object of the invention is to propose an assembly method as reliable as the methods of the prior art, not presenting the drawback of the numerous mechanical interventions of the screwing, nor that of the welding difficulties of the ultrasonic technique.

Conformément a l'invention, ce résultat est obtenu avec un procédé pour l'assemblage d'une électro-vanne à commande par électro-aimant, du type comportant un boitier principal muni d'une entrée de fluide et d'au moins une sortie de fluide, ladite élèctro-vanne comportant un obturateur comman dé par un noyau mobile en translation dans un guide cylindrique, ledit guide cylindrique comportant a l'une de ses extrémités un évasement venu de matière avec le guide et déterminant avec le corps une chambre d'écoulement de fluide pouvant etre obture sous l'action dudit obturateur commandé par le noyau qui est commandé par voie électromagnétique par un électro-aimant disposé autour dudit guide cylindrique, caractérisé en ce que le guide cylindrique est fixé sur le boitier principal par un clip introduit a force, de préférence mécaniquement, et assuré dans son logement par un sertissage par rotation ou ultrasons. In accordance with the invention, this result is obtained with a method for assembling a solenoid valve controlled by an electromagnet, of the type comprising a main housing provided with a fluid inlet and at least one outlet. fluid, said solenoid valve comprising a shutter controlled by a movable core in translation in a cylindrical guide, said cylindrical guide comprising at one of its ends a flaring made of material with the guide and determining with the body a chamber flow of fluid which can be closed under the action of said obturator controlled by the core which is controlled electromagnetically by an electromagnet disposed around said cylindrical guide, characterized in that the cylindrical guide is fixed to the main housing by a clip force-fitted, preferably mechanically, and secured in its housing by crimping by rotation or ultrasound.

On comprendra mieux l'invention à l'aide de la description ci-après faite en référence aux dessins annexés dans lesquels
- la figure 1 est une vue en coupe d'un assemblage conforme à l'invention,
- la figure 2 est une vue en plan d'un clip utilisé pour l'assemblage de la figure 1.
The invention will be better understood using the description below made with reference to the accompanying drawings in which
FIG. 1 is a sectional view of an assembly according to the invention,
- Figure 2 is a plan view of a clip used for the assembly of Figure 1.

Dans le corps du boitier (1) débouche une conduite (2), dans une chambre (3) délimite également par l'évasement (4) d'un guide cylindrique creux (5). In the body of the case (1) opens a pipe (2), in a chamber (3) also delimited by the flaring (4) of a hollow cylindrical guide (5).

Dans le guide (5) est disposé un noyau (6) rappelé par un ressort (7) prenant appui sur le fond (8) du guide (5). Le noyau (6) est commandé par un électro-aimant schématisé par un enroulement de solénoïde (9). In the guide (5) is arranged a core (6) returned by a spring (7) bearing on the bottom (8) of the guide (5). The core (6) is controlled by an electromagnet shown diagrammatically by a solenoid winding (9).

Le déplacement du noyau (6) commande une membrane (10) d'obturation de la conduite (2). The displacement of the core (6) controls a membrane (10) for closing off the pipe (2).

Le problème posé est de rendre solidaires l'un de l'autre le guide cylindrique (5) et le boitier (1). The problem is to make the cylindrical guide (5) and the housing (1) integral with one another.

Conformément a l'invention, ceci est réalisé par un clip circulaire (11) prenant appui d'une part sur la face externe de l'évasement (4) et d'autre part sur la paroi interne (12) du corps de boitier (1). According to the invention, this is achieved by a circular clip (11) bearing on the one hand on the external face of the flare (4) and on the other hand on the internal wall (12) of the housing body ( 1).

Ce clip est introduit à force de préférence mEcanique- ment. il est assuré dans son logement par sertissage, soit par rotation soit par ultra-sons. This clip is preferably inserted mechanically. it is secured in its housing by crimping, either by rotation or by ultrasound.

On a représenté un clip, spécifiquement utilisable pour cette application, à la figure 2. A clip has been shown, specifically usable for this application, in FIG. 2.

il se compose d'une couronne circulaire (13) comportant des ergots élastiques (14) disposés radialement et faisant saillie vers L'extérieur, inclinés de environ 300 par rapport au plan de la couronne circulaire (13). it consists of a circular crown (13) comprising elastic lugs (14) arranged radially and projecting towards the outside, inclined by approximately 300 relative to the plane of the circular crown (13).

Ce procédé d'assemblage présente l'avantage d'être fiable, peu sujet aux oxydations et peu onéreux. il trouve une application en particulier pour les électro-vannes des machines à laver le linge ou la vaisselle. This assembly process has the advantage of being reliable, not very subject to oxidation and inexpensive. it finds an application in particular for the solenoid valves of washing machines for laundry or dishes.

En outre, il permet de remplacer l'ensemble de la bobine électro-aimant sans avoir à démonter le corps, ce qui est le cas pour les dispositifs de l'art antérieur. Avec un assemblage par vis, par exemple, il faut pour ce faire démonter l'ensemble de l'électro-vanne.  In addition, it allows the entire electromagnetic coil to be replaced without having to dismantle the body, which is the case for the devices of the prior art. With a screw assembly, for example, this requires the disassembly of the solenoid valve.

Claims (2)

REVENDICATIONS.CLAIMS. 1. Procédé pour l'assemblage d'une électro-vanne à commande par électro-aimant, du type comportant un boitier principal muni d'une entrée de fluide et d'au moins une sortie de fluide, ladite électro-vanne comportant un obturateur commandé par un noyau mobile en translation dans un guide cylindrique, ledit guide cylindrique comportant à l'une de ses extrémités un évasement venu de matière avec le guide et déterminant avec le corps une chambre d'écoulement de fluide pouvant être obturée sous l'action dudit obturateur commandé par le noyau qui est commandé par voie électromagnétique par ùn électro-aimant disposé autour dudit guide cylindrique, caractérisé en ce que le guide cylindrique (5) est fixé sur le boitier principal par un clip (11) introduit à force, de préférence mécaniquement, et1. Method for assembling a solenoid valve controlled by an electromagnet, of the type comprising a main unit provided with a fluid inlet and at least one fluid outlet, said solenoid valve comprising a shutter controlled by a core movable in translation in a cylindrical guide, said cylindrical guide comprising at one of its ends a flaring formed integrally with the guide and determining with the body a fluid flow chamber which can be closed under the action said obturator controlled by the core which is controlled electromagnetically by an electromagnet arranged around said cylindrical guide, characterized in that the cylindrical guide (5) is fixed to the main housing by a clip (11) inserted by force, preferably mechanically, and assuré dans son logement par un sertissage par rotation ou ultrasons. ensured in its housing by crimping by rotation or ultrasound. 2. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, caractérisé en ce que le clip (11) se compose d'une couronne circulaire (13) comportant des ergots élastiques (14) disposés radialement et faisant saillie vers l'extérieur, inclinés de environ 30 par rapport au plan de la couronne circulaire (13). 2. Device for implementing the method according to claim 1, characterized in that the clip (11) consists of a circular crown (13) comprising elastic lugs (14) arranged radially and projecting outwards , inclined by about 30 relative to the plane of the circular crown (13).
FR8303983A 1983-03-09 1983-03-09 Method for assembling a solenoid valve controlled by an electromagnet, and device for implementing it Withdrawn FR2542413A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8303983A FR2542413A1 (en) 1983-03-09 1983-03-09 Method for assembling a solenoid valve controlled by an electromagnet, and device for implementing it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8303983A FR2542413A1 (en) 1983-03-09 1983-03-09 Method for assembling a solenoid valve controlled by an electromagnet, and device for implementing it

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FR2542413A1 true FR2542413A1 (en) 1984-09-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559591A1 (en) * 1992-03-04 1993-09-08 Eaton S.A.M. Process for assembling an electromagnetic valve by ultrasonic welding
FR2728045A1 (en) * 1994-12-12 1996-06-14 Elbi Int Spa SUPPORT AND GUIDING DEVICE FOR A SHUTTER OF A SOLENOID VALVE, AND METHOD FOR MANUFACTURING THE SAME

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1236714A (en) * 1959-09-08 1960-07-22 Legris Fils resilient body solenoid valve
FR2045349A5 (en) * 1970-03-04 1971-02-26 Rausch & Pausch
FR2450987A3 (en) * 1979-03-05 1980-10-03 Zanussi Elettromecc ELECTROVALVE, PARTICULARLY FOR WASHING MACHINES

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1236714A (en) * 1959-09-08 1960-07-22 Legris Fils resilient body solenoid valve
FR2045349A5 (en) * 1970-03-04 1971-02-26 Rausch & Pausch
FR2450987A3 (en) * 1979-03-05 1980-10-03 Zanussi Elettromecc ELECTROVALVE, PARTICULARLY FOR WASHING MACHINES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559591A1 (en) * 1992-03-04 1993-09-08 Eaton S.A.M. Process for assembling an electromagnetic valve by ultrasonic welding
FR2688165A1 (en) * 1992-03-04 1993-09-10 Eaton Sa Monaco PROCESS FOR ASSEMBLING PLASTIC PARTS BY ULTRASONIC WELDING, AND ITS APPLICATION TO ELECTROMAGNETIC VALVES.
FR2728045A1 (en) * 1994-12-12 1996-06-14 Elbi Int Spa SUPPORT AND GUIDING DEVICE FOR A SHUTTER OF A SOLENOID VALVE, AND METHOD FOR MANUFACTURING THE SAME

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