FR2616001A1 - O-ring seal system for mounting sheathed electrical resistors on stoppers - Google Patents

O-ring seal system for mounting sheathed electrical resistors on stoppers Download PDF

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Publication number
FR2616001A1
FR2616001A1 FR8707410A FR8707410A FR2616001A1 FR 2616001 A1 FR2616001 A1 FR 2616001A1 FR 8707410 A FR8707410 A FR 8707410A FR 8707410 A FR8707410 A FR 8707410A FR 2616001 A1 FR2616001 A1 FR 2616001A1
Authority
FR
France
Prior art keywords
flanges
mounting
resistors
mounting system
rings
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.)
Withdrawn
Application number
FR8707410A
Other languages
French (fr)
Inventor
Patrick Bertin
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.)
Etirex SA
Original Assignee
Etirex SA
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 Etirex SA filed Critical Etirex SA
Priority to FR8707410A priority Critical patent/FR2616001A1/en
Publication of FR2616001A1 publication Critical patent/FR2616001A1/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/01Mounting; Supporting

Abstract

O-ring seal system for mounting sheathed resistors on plastic clips or stoppers, characterised in that it comprises two plastic half-clips 12, 14 between which are arranged O-ring seals 16 surrounding the sheathed cylindrical resistors 10 passing through them, these two half-clips being placed in contact and rigidly joined together so that they compress the said O-ring seals onto the electrical resistors passing through the stopper thus produced by assembling the two half-clips.

Description

La présente invention concerne un système ae montage de résistances électriques blindees sur des brides ou des bouchons. On sait que dans les systèmes actuellement réalises, de telles resistances blindées sont montées sur des brides ou des bouchons généralement métalliques qui sont soudés ou brasés sur les circuits à blindage cuivre acier ou inox. La présente invention stest fixe pour objectif d'apporter un système de montage de résistances électriques blindées sur des brides ou des bouchons en matière plastique, tout en assurant bien entendu l'étanchéité requise pour ce type de materiel. The present invention relates to a system for mounting shielded electrical resistors on flanges or plugs. It is known that in the systems currently produced, such shielded resistors are mounted on generally metallic flanges or plugs which are welded or brazed on the copper, steel or stainless steel shielded circuits. The present invention is fixed for the purpose of providing a system for mounting shielded electrical resistors on plastic flanges or plugs, while of course ensuring the tightness required for this type of material.

En conséquence, cette invention concerne un système de montage par joints toriques de résistances blindées sur des brides ou des bouchons en matière plastique, caractérise en ce qu'il comprend deux demi-brides en matiere plastique entre lesquelles sont disposes aes Joints toriques entourant les résistances cylindriques blindees les traversant, ces deux demi-brides étant mises au contact et solidarisées l'une contre l'autre de manière qu'elles compriment lesdits joints toriques sur les resistances électriques traversant le bouchon ainsi réalisé par l'assemblage des deux demi-brides. Consequently, this invention relates to a system for mounting by O-rings of armored resistors on plastic flanges or plugs, characterized in that it comprises two plastic half-flanges between which are disposed the O-rings surrounding the resistors cylindrical shielded passing through them, these two half-flanges being brought into contact and secured one against the other so that they compress said O-rings on the electrical resistances passing through the plug thus produced by the assembly of the two half-flanges .

Selon un mode de réalisation préfère ae la pressente invention, les deux demi-brides sont assemblées l'une contre l'autre par soudage, notamment par soudage par ultra-sons. Dans ce cas, on realise de préférence un emboîtement annulaire des deux demi-brides avant leur soudage. According to one preferred embodiment of the present invention, the two half-flanges are assembled one against the other by welding, in particular by ultrasonic welding. In this case, an annular interlocking of the two half-flanges is preferably carried out before their welding.

D'autres caractéristiques et avantages de cette invention ressortiront de la description faite ci-après en référence au dessin annexe qui en illustre des exemples de réalisation dépourvus de tout caractere limitatif. Sur le dessin
La figure 1 est une vue en élévation latérale et coupe verticale d'un premier exemple de réalisation du dispositif selon l'invention
La figure 2 est une vue en plan de la figure 1 et
La figure 3-est une vue de détail illustrant la façon selon laquelle on réalise un emboîtement des deux demi-brides l'une sur l'autre.
Other characteristics and advantages of this invention will emerge from the description given below with reference to the appended drawing which illustrates examples thereof which are devoid of any limiting character. On the drawing
Figure 1 is a side elevational view in vertical section of a first embodiment of the device according to the invention
Figure 2 is a plan view of Figure 1 and
FIG. 3-is a detail view illustrating the way in which the two half-flanges are fitted one on the other.

Sur l'exemple de réalisation illustré par les figures 1 et 2, le systeme selon l'invention comporte deux demi-brides 12 et 14 traversées par les résistances électriques cylindriques blindées 10, autour desquelles sont disposés des joints toriques 16 interposés par ailleurs entre les deux demi-brides 12 et 14 de manière à assurer l'étanchéité après assemblage des deux demi-brides 12, 14 l'une contre l'autre. A cet effet, les faces en regard des deux demi-brides 12 et 14 comportent des logements 22, 24 destinés à recevoir les joints toriques tels que 16, lors de l'assemblage de ces deux demi-brides. In the example of embodiment illustrated in FIGS. 1 and 2, the system according to the invention comprises two half-flanges 12 and 14 crossed by the armored cylindrical electrical resistors 10, around which O-rings 16 are disposed, interposed between the two half-flanges 12 and 14 so as to ensure sealing after assembly of the two half-flanges 12, 14 one against the other. To this end, the facing faces of the two half-flanges 12 and 14 include housings 22, 24 intended to receive the O-rings such as 16, during the assembly of these two half-flanges.

Selon un exemple de réalisation préféré de cette invention, les deux faces internes des demi-brides sont mises au contact l'une de l'autre puis elles sont assemblées par.soudage, de préférence par ultra-sons. On prévoit dans ce cas un emboîtement des deux demi-brides l'une sur l'autre. A cet effet, la demi-bride supérieure 12 comporte une gorge annulaire 20 pourvue d'un chanfrein 20', cette gorge annulaire 20 étant disposée en regard d'une saillie en forme de couronne annulaire 18, prévue sur la surface interne de la demi-bride 14.Ainsi, lors de rapprochement des deux demi-brides 12 et 14, la saillie 18 vient s'emboîter dan la gorge 20 et la soudure par ultra-sons provoque la fusion du chanfrein 20' et la solidarisation des deux demi-brides 12, 14, l'une contre l'autre, emprisonnant ainsi les joints toriques 16 comprimes sur la periphérie externe des résistanceE blindées 10. According to a preferred embodiment of this invention, the two internal faces of the half-flanges are brought into contact with one another and then they are assembled by welding, preferably by ultrasound. In this case, the two half-flanges are fitted one on the other. To this end, the upper half-flange 12 comprises an annular groove 20 provided with a chamfer 20 ′, this annular groove 20 being disposed opposite a projection in the form of an annular crown 18, provided on the internal surface of the half -flange 14. Thus, when the two half-flanges 12 and 14 are brought closer, the projection 18 comes to fit into the groove 20 and the ultrasonic welding causes the chamfer 20 ′ to merge and the two half-pieces to be joined together. flanges 12, 14, one against the other, thus trapping the O-rings 16 compressed on the outer periphery of the shielded resistors 10.

Au lieu d'un soudage par ultra-sons, on peut prévoir un collage des deuz faces internes des demi-brides 12 et 14, ce qui permet d'éviter l'emboîtemene annulaire de ces demi-brides mais nécessite un bridage de l'ensemble pendant lt durée de la polymérisation de la colle utilisée. Instead of ultrasonic welding, it is possible to provide a bonding of the two internal faces of the half-flanges 12 and 14, which makes it possible to avoid the annular fitting of these half-flanges but requires a clamping of the together for the duration of the polymerization of the adhesive used.

Selon encore un autre mode de réalisation, qui a été représenté égalemen sur les figures 1 et 2, on peut utiliser un serrage par vis et écrou pour assure la solidarisation des deux demi-brides l'une contre l'autre. On peut utilise dans ce cas, comme representé sur la figure 1, une vis centrale à tête fendue 2 (ou hexagonale selon le mode d'application, recevant un écrou de serrage (no représenté) qui vient comprimer le montage en se logeant partiellement, en fin d vissage, dans le lamage inférieur central 28 de la demi-bride 14. Ce mode d réalisation est facile à mettre en oeuvre mais il présente l'inconvénient d'u risque de déserrage, par intervention, après remplissage de la capacité recevan le bouchon constitué par l'assemblage des deux demi-brides 12, 14 maintenant le résistances 10, d'une personne non habilitée. According to yet another embodiment, which has also been shown in FIGS. 1 and 2, it is possible to use a tightening by screw and nut to ensure the joining of the two half-flanges against each other. In this case, as shown in FIG. 1, it is possible to use a central slotted head screw 2 (or hexagonal depending on the mode of application, receiving a tightening nut (no shown) which compresses the assembly while being partially housed, at the end of screwing, in the central lower counterbore 28 of the half-flange 14. This embodiment is easy to implement but it has the disadvantage of a risk of loosening, by intervention, after filling of the receiving capacity. the plug constituted by the assembly of the two half-flanges 12, 14 maintaining the resistors 10, of an unauthorized person.

Le système de montage selon la présente invention présente une excellent aptitude aux chocs, ce qui permet d'éviter des contraintes de dilatation différentielles et également d'éviter des préparations contraignantes sur l'éta de surface des éléments chauffants (tolérances draconniennes sur les diametreC, absence de poussière, d'humidité, d'oxydes ou de graisses).  The mounting system according to the present invention has an excellent impact ability, which makes it possible to avoid differential expansion constraints and also to avoid restrictive preparations on the surface area of the heating elements (draconian tolerances on diameters, no dust, moisture, oxides or grease).

Il demeure bien entendu que la présente invention n'est pas l.imitee aux exemples de réalisation décrits ci-dessus nais qu'elle en englobe toutes les variantes. It remains to be understood that the present invention is not limited to the embodiments described above, but that it encompasses all variants thereof.

Claims (5)

REVENDICAIIONS 1- Système de montage par joints toriques de résistances blindées sur des brides ou des bouchons en matière plastique, caractérisé en ce qu'il comprend deux demi-brides (12, 14) en matière plastique entre lesquelles sont disposés des joints toriques (16) entourant les résistances cylindriques blindées (10) les traversant, ces deux demi-brides étant mises au contact et solidarisées l'une contre l'autre de manière qu'elles compriment lesdits joints toriques sur les résistances électriques traversant le bouchon ainsi réalisé par l'assemblage des deux demi-brides. 1- Mounting system by O-rings of armored resistors on plastic flanges or plugs, characterized in that it comprises two plastic half-flanges (12, 14) between which O-rings are arranged (16) surrounding the armored cylindrical resistances (10) passing through them, these two half-flanges being brought into contact and secured to one another so that they compress said O-rings on the electrical resistances passing through the plug thus produced by the assembly of the two half-flanges. 2- Système de montage selon la revendication 1, caractérisé en ce que les deux demi-brides (12, 14) sont assemblées l'une contre l'autre, notamment par soudage ou par ultra-sons. 2- mounting system according to claim 1, characterized in that the two half-flanges (12, 14) are assembled one against the other, in particular by welding or ultrasonic. 3- Système de montage selon l'une des revendications 1 ou 2, caractérisS en ce que l'on réalise un emboîtement annulaire (20, 18) des deux demi-brideE avant leur soudage. 3- mounting system according to one of claims 1 or 2, characterized in that one carries out an annular interlocking (20, 18) of the two half-flange before welding. 4- Système de montage selon la revendication 1, caractérisé en ce que le deux demi-brides t12, 14) sont maintenues assemblées l'une sur l'autre par bridage et collage. 4- mounting system according to claim 1, characterized in that the two half-flanges t12, 14) are kept assembled one on the other by clamping and gluing. 5- Système de montage selon la revendication 1, caractérisé en ce que lei deux demi-brides (12, 14) sont maintenues assemblées l'une sur l'autre à l'aid d'une vis centrale recevant un écrou de serrage.  5- mounting system according to claim 1, characterized in that lei two half-flanges (12, 14) are held assembled one on the other using a central screw receiving a tightening nut.
FR8707410A 1987-05-26 1987-05-26 O-ring seal system for mounting sheathed electrical resistors on stoppers Withdrawn FR2616001A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8707410A FR2616001A1 (en) 1987-05-26 1987-05-26 O-ring seal system for mounting sheathed electrical resistors on stoppers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707410A FR2616001A1 (en) 1987-05-26 1987-05-26 O-ring seal system for mounting sheathed electrical resistors on stoppers

Publications (1)

Publication Number Publication Date
FR2616001A1 true FR2616001A1 (en) 1988-12-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8707410A Withdrawn FR2616001A1 (en) 1987-05-26 1987-05-26 O-ring seal system for mounting sheathed electrical resistors on stoppers

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FR (1) FR2616001A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124465A1 (en) * 1971-05-17 1972-11-30 Siemens Ag Thermal generator
DE3204382A1 (en) * 1981-02-12 1982-10-21 Austria Email - EHT Aktiengesellschaft, 1140 Wien Screw-in heating element
FR2540574A1 (en) * 1983-02-04 1984-08-10 Electricite De France METHOD AND DEVICE FOR MOUNTING A SEALED SCREW CONNECTION ASSEMBLY, PARTICULARLY FOR CONNECTING A DIP ELEMENT TO A SPEAKER
EP0185154A1 (en) * 1984-12-13 1986-06-25 Buderus Küchentechnik GmbH Fastening arrangement for the electric heating elements of a cooking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124465A1 (en) * 1971-05-17 1972-11-30 Siemens Ag Thermal generator
DE3204382A1 (en) * 1981-02-12 1982-10-21 Austria Email - EHT Aktiengesellschaft, 1140 Wien Screw-in heating element
FR2540574A1 (en) * 1983-02-04 1984-08-10 Electricite De France METHOD AND DEVICE FOR MOUNTING A SEALED SCREW CONNECTION ASSEMBLY, PARTICULARLY FOR CONNECTING A DIP ELEMENT TO A SPEAKER
EP0185154A1 (en) * 1984-12-13 1986-06-25 Buderus Küchentechnik GmbH Fastening arrangement for the electric heating elements of a cooking device

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