FR2607218A1 - Rotating connection for a pipeline for supplying liquid fuel to air-gas torches - Google Patents

Rotating connection for a pipeline for supplying liquid fuel to air-gas torches Download PDF

Info

Publication number
FR2607218A1
FR2607218A1 FR8616430A FR8616430A FR2607218A1 FR 2607218 A1 FR2607218 A1 FR 2607218A1 FR 8616430 A FR8616430 A FR 8616430A FR 8616430 A FR8616430 A FR 8616430A FR 2607218 A1 FR2607218 A1 FR 2607218A1
Authority
FR
France
Prior art keywords
air
handle
socket
nut
gas torches
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.)
Granted
Application number
FR8616430A
Other languages
French (fr)
Other versions
FR2607218B1 (en
Inventor
Jean-Marie Tandart
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.)
Virax SA
Original Assignee
Virax 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 Virax SA filed Critical Virax SA
Priority to FR8616430A priority Critical patent/FR2607218B1/en
Publication of FR2607218A1 publication Critical patent/FR2607218A1/en
Application granted granted Critical
Publication of FR2607218B1 publication Critical patent/FR2607218B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/465—Details, e.g. noise reduction means for torches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
    • F16L27/0816—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings having radial sealing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The subject of the invention is a male/female rotating connection constituting an accessory for the pipeline for supplying liquid fuel to air-gas torches. It comprises a body 11 rotating in a socket 13 which is mounted directly on the rear fitting of the handle of the torch by means of the connecting nut 16. Its size is so small that the diameter of the body is less than or equal to the diameter of the screw thread of the nut 16. By virtue of this connection, the flexible supply hose does not roll up on itself and, since the friction opposing rotation is very low, the user is practically unaware of the rigidity of the said flexible hose. The field of application of this rotating connection is that of air-gas torches.

Description

La présente invention concerne un raccord tournant conçu comme un nouveau moyen de raccordement d'un chalumeau aéro-gaz à son flexible d'alimentation en fluide combustible. En général le manche de ce type de chalumeau est constitué d'une poignée traversée longitudinalement par un tube métallique portant d'un côté un dispositif de commande du gaz et de l'autre une douille annelée porte-tuyau fixée de manière permanente ou amovible pour recevoir le flexible d'alimentation qui est maintenu en place par un collier de serrage. En cours d'utilisation tous les mouvements du manche sont transmis au flexible d'alimentation qui réagit aux efforts de torsion d'une part en s'enroulant sur lui-même et d'autre part en freinant les mouvements dudit manche, car sa rigidité augmente avec la torsion, ce qui gêne beaucoup l'opérateur.Pour remédier à ces inconvénients, une première solution a été proposée ; c'est le manche à robinet tournant dans lequel la douille porte-tuyau a été remplacée par le dispositif de commande du gaz auquel on a adjoint un tube métallique traversant la poignée pour se terminer par un injecteur de façon à ce que cet ensemble raccordé au flexible d'alimentation puisse tourner librement par rapport à ladite poignée solidaire du brûleur.La liberté de rotation du flexible par rapport à la poignée du manche est acquise au prix de plusieurs nouveaux inconvénients : d'une part l'injecteur n'est plus interchangeable car il a été intégré à l'extrémité du tube tournant traversant la poignée et d'autre part le dispositif de commande du gaz est difficile à manoeuvrer car en plus d'être placé à l'arrière du manche pour ne pas créer de problème d'étanchéité5 le robinet est tournant par rapport à ce dernier, ce qui oblige l'utilisateur à employer ses deux mains pour faire varier l'intensité de la flamme en cours de travail. The present invention relates to a rotary connector designed as a new means of connecting an air-gas torch to its flexible fuel supply hose. In general, the handle of this type of blowtorch consists of a handle traversed longitudinally by a metal tube carrying on one side a gas control device and on the other a corrugated pipe-holder socket permanently or removably attached for receive the supply hose which is held in place by a hose clamp. During use, all the movements of the handle are transmitted to the supply hose which reacts to torsional forces on the one hand by winding on itself and on the other hand by slowing down the movements of said handle, because its rigidity increases with torsion, which greatly annoys the operator. To remedy these drawbacks, a first solution has been proposed; it is the handle with a rotating tap in which the pipe-holder sleeve has been replaced by the gas control device to which a metal tube has been added passing through the handle to end in an injector so that this assembly connected to the supply hose can rotate freely relative to said handle integral with the burner. The freedom to rotate the hose relative to the handle of the handle is acquired at the cost of several new drawbacks: on the one hand the injector is no longer interchangeable because it was integrated at the end of the rotating tube passing through the handle and on the other hand the gas control device is difficult to operate because in addition to being placed at the rear of the handle so as not to create any problem d 'waterproofing5 the valve is rotating relative to the latter, which requires the user to use both hands to vary the intensity of the flame during work.

La présente invention se propose également de remédier aux inconvénients majeurs du manche classique, mais sans les remplacer par d'autres qui dans le cas du manche à robinet tournant sont tout aussi gênant. Le raccord tournant objet de l'invention est un accessoire que l'on peut ajouter å n'importe quel manche classique au niveau de la douille portetuyau pourvu que cette dernière soit amovible et fixée par un écrou fileté à un diamètre normalisé. The present invention also proposes to remedy the major drawbacks of the conventional handle, but without replacing them with others which, in the case of the handle with a rotary tap, are just as troublesome. The swivel fitting object of the invention is an accessory which can be added to any conventional handle at the level of the hose-holder socket provided that the latter is removable and fixed by a threaded nut to a standardized diameter.

Dans ce qui suit l'invention est exposée en détail à l'aide de dessins représentant seulement un mode d'exécution donné à titre d'exemple non limitatif
- la figure 1 est une vue en coupe d'un manche de chalumeau aéro
gaz raccordé à son flexible d'alimentation par le raccord tour
nant objet de l'invention.In what follows, the invention is explained in detail using drawings representing only one embodiment given by way of non-limiting example.
- Figure 1 is a sectional view of an aero torch handle
gas connected to its supply hose by the tower connector
object of the invention.

- la figure 2 est un agrandissement de la vue en coupe du raccord
tournant.- Figure 2 is an enlargement of the sectional view of the connector
turning.

- la figure 3 est une vue latérale du corps du raccord tournant. - Figure 3 is a side view of the body of the rotary connector.

- la figure 4 représente la section du corps suivant un plan A-A
perpendiculaire à l'axe d'entrée.- Figure 4 shows the section of the body along a plane AA
perpendicular to the entry axis.

En se reportant à la figure 1 qui présente un manche de chalumeau aéro-gaz classique équipé du raccord tournant selon l'invention, on constate que ledit raccord se fixe sur un mamelon (1) qui par l'inter médiaire d'un écrou (2) et d'une rondelle (3) prend appui sur l'épaule- ment arrière (4) de la poignée (5) pour exercer sur le-tube de liaison (6) l'effort de traction nécessaire au blocage du corps du robinet de commande (7) contre le rebord (8) de son logement hexagonal (9) situé à 1.! autre extrémité de ladite poignée.Le raccord tournant étant un raccord mêle-femelle avec une entrée mâle ayant les mêmes dimensions intérieuresxet extérieures que celles de l'entrée du mamelon (1), sa mise. place sur un manche classique entre ce dernier et le flexible d'alimentation (10) se réduit à une opération de dévissage d'écrou suivi de deux vissages. Referring to FIG. 1 which presents a conventional aero-gas torch handle fitted with the rotary connector according to the invention, it can be seen that said connector is fixed to a nipple (1) which by means of a nut ( 2) and a washer (3) bears on the rear shoulder (4) of the handle (5) to exert on the connecting tube (6) the tensile force necessary for blocking the body of the control tap (7) against the edge (8) of its hexagonal housing (9) located at 1.! other end of said handle. The rotary connector being a female-female connector with a male inlet having the same internal and external dimensions as those of the nipple inlet (1), its setting. place on a conventional handle between the latter and the supply hose (10) is reduced to a nut unscrewing operation followed by two screw connections.

Sur la figure 2 qui représente à une échelle double de celle de la figure 1 le raccord tournant objet de l'invention, on voit qu'il comprend un corps (11) tournant dans un alésage (12) d'une douille (13) à culot sphérique (14) possedant un épaulement (15) par lequel elle est retenue contre le manche du chalumeau par serrage de l'écrou de raccordement (16). Ainsi le culotsphérique (14) de la douille (13) en venant au contact de la portée conique du mamelon (1) assure l'étanchéité nécessaire #pour empêcher-le fluide combustible de s'échapper le long des filets de l'écrou de raccordement (16) ou au niveau de-son embase intérieure (22).Quant à l'étanchéité entre le pivot cylindrique (20) du corps (ll) et l'alésage (12) de la do#uille (13)-élle est assurée par un joint place dans:la-gorge -annulaire (21) dudit pinot qui est#immobilisé en translation dans la douille par un moyen de retenue tel qu'un anneau élastique (18) place dans une seconde gorge annulaire (19). pour pouvoir prendre appui sur le nez du culot sphérique (14).L'anneau élastique (18) n'étant pas un élément d'étanchéité, le fluide circulant dans l'i..- trieur du corps.(1#1) pourrait s'échapper å 9 l'extérieuren profitant du jeu existant entre le pivot et la douille s'il n'en était pas empêché par la présence du joint torique (17). In FIG. 2 which represents on a scale double that of FIG. 1 the rotary coupling object of the invention, it can be seen that it comprises a body (11) rotating in a bore (12) of a socket (13) with a spherical base (14) having a shoulder (15) by which it is retained against the handle of the torch by tightening the connection nut (16). Thus the spherical base (14) of the sleeve (13) coming into contact with the conical surface of the nipple (1) provides the necessary seal # to prevent the combustible fluid from escaping along the threads of the nut connection (16) or at its inner base (22). As for the seal between the cylindrical pivot (20) of the body (ll) and the bore (12) of the do # uille (13) -elle is ensured by a seal placed in: the annular groove (21) of said pinot which is # immobilized in translation in the sleeve by a retaining means such as an elastic ring (18) placed in a second annular groove (19) . in order to be able to bear on the nose of the spherical base (14). The elastic ring (18) not being a sealing element, the fluid circulating in the distributor of the body. (1 # 1) could escape outside 9 taking advantage of the play existing between the pivot and the bushing if not prevented by the presence of the O-ring (17).

Ce raccord tournant est d'un encombrement si réduit que le diamètre du corps (îi) est inférieur ou égal au diamètre nominal du filetage de l'écrou de raccordement (16). L'axe de l'entrée mâle (23) du raccord tournant et l'axe de symétrie du pivot cylindrique (20) font un angle (OX, #) ayant une valeur comprise entre 550 et 650 pour conférer un maximum de maniabilité au chalumeau pour w d'un tel raccord. Mais il est possible d'envisager d'autres valeurs comprises entre 0 et 900 pour d'autres applications. This swivel fitting is so compact that the diameter of the body (îi) is less than or equal to the nominal diameter of the thread of the connection nut (16). The axis of the male inlet (23) of the rotary connector and the axis of symmetry of the cylindrical pivot (20) make an angle (OX, #) having a value between 550 and 650 to give maximum maneuverability to the torch for w of such a fitting. However, it is possible to envisage other values between 0 and 900 for other applications.

Parmi les trois opérations nécessaires à la mise en place du raccord sur nos manches de chalumeau classique, le vissage de l'écrou de la douille du flexible sur le corps dudit raccord requiert l'immobilisation de ce dernier par tout moyen approprié. La clé à fourche étant un des outils les plus répandus, il a été prévu sur les flancs du corps deux plats d'immobilisation (24), (25) parallèles que l'on voit sur les figures 3 et 4 et dont l'écartement correspond à une ouverture de clé normalisée. Among the three operations necessary for the fitting of the fitting on our conventional blowtorch sleeves, the screwing of the nut of the hose socket on the body of said fitting requires the immobilization of the latter by any appropriate means. The open-end wrench being one of the most widespread tools, two immobilization plates (24), (25) are provided on the sides of the body which are seen in FIGS. 3 and 4 and whose spacing corresponds to a standardized key opening.

Grâce à ce raccord d'une part le flexible ne s'enroule plus sur lui-même car il ne subit plus de torsion quels que soient les mouvements que l'utilisateur impose au manche du chalumeau et d'autre part comme les frottements s'opposant à la rotation du pivot (20) dans la douille (13) sont très faibles, l'utilisateur ne perçoit pratiquement plus la rigidité du flexible, ce qui se traduit par une plus grande facilité d'emploi et par une réduction notable de la fatigue. Thanks to this connection on the one hand the flexible no longer winds on itself because it does not undergo any more torsion whatever the movements that the user imposes on the handle of the torch and on the other hand as the friction s opposing the rotation of the pivot (20) in the sleeve (13) are very low, the user practically no longer perceives the rigidity of the hose, which results in greater ease of use and in a significant reduction in the tired.

Le domaine d'application du raccord tournant objet de l'invention est celui des chalumeaux aéro-gaz.  The field of application of the rotary coupling object of the invention is that of air-gas torches.

Claims (6)

REVENDICATIONS 1/ Raccord tournant mêle-femelle pour tuyauterie d'alimentation en fluide combustible des chalumeaux aéro-gaz caractérisé en ce qu'il comprend un écrou de raccordement (16) retenant par son embase intérieure (22) une douille (13) à culot sphérique (14) qui est traversée axialement par le pivot cylindrique (20) du corps (11) pourvu d'un moyen de retenue empêchant toute translation axiale dudit corps et de son joint d'étanchéité. 1 / Mixing-female swivel connection for fuel fluid supply pipes for air-gas torches, characterized in that it comprises a connection nut (16) retaining by its internal base (22) a socket (13) with a spherical base (14) which is crossed axially by the cylindrical pivot (20) of the body (11) provided with a retaining means preventing any axial translation of said body and its seal. 2/ Raccord tournant selon la revendication 1 caractérisé en ce que le diamètre du corps est inférieur ou égal au diamètre nominal du filetage de écrou de raccordement. 2 / swivel fitting according to claim 1 characterized in that the diameter of the body is less than or equal to the nominal diameter of the thread of the connecting nut. 3/ Raccord tournant selon la revendication 1 caractérisé en ce que le joint d'étanchéité est un joint torique (17) interposé dans une gorge annulaire (21) du corps, entre ce dernier et l'alésage (12) de la douille pour que le fluide traversant l'intérieur dudit corps ne puisse pas s'échapper à l'extérieur pendant la rotation en profitant du jeu existant entre les deux pièces. 3 / rotary coupling according to claim 1 characterized in that the seal is an O-ring (17) interposed in an annular groove (21) of the body, between the latter and the bore (12) of the sleeve so that the fluid passing through the interior of said body cannot escape to the exterior during rotation by taking advantage of the play existing between the two parts. 4/ Raccord tournant selon la revendication 1 caractérisé en ce que le moyen de retenue du corps dans la douille est un anneau élastique (18) placé dans une seconde gorge annulaire (19) pour pouvoir prendre appui sur le nez du culot sphérique (14). 4 / swivel fitting according to claim 1 characterized in that the means for retaining the body in the socket is an elastic ring (18) placed in a second annular groove (19) in order to be able to bear on the nose of the spherical base (14) . 5/ Raccord tournant selon la revendication 1 caractérisé en ce que l'axe de l'entrée mâle (23) et l'axe de symétrie du pivot cylindrique (20) font un angle (OX, oY) ayant une valeur comprise entre 550 et 650. 5 / rotary coupling according to claim 1 characterized in that the axis of the male inlet (23) and the axis of symmetry of the cylindrical pivot (20) make an angle (OX, oY) having a value between 550 and 650. 6/ Raccord tournant selon la revendication 1 caractérisé en ce que les flancs du corps (11) présentent deux plats d'immobilisation (24), (25) parallèles dont l'écartement correspond à une ouverture de clé à fourche normalisée.  6 / swivel fitting according to claim 1 characterized in that the sides of the body (11) have two immobilization plates (24), (25) parallel whose spacing corresponds to a standard open-end wrench opening.
FR8616430A 1986-11-21 1986-11-21 ROTATING FITTING FOR FUEL FLUID SUPPLY PIPES FOR AERO-GAS TORCHES Expired - Lifetime FR2607218B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8616430A FR2607218B1 (en) 1986-11-21 1986-11-21 ROTATING FITTING FOR FUEL FLUID SUPPLY PIPES FOR AERO-GAS TORCHES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8616430A FR2607218B1 (en) 1986-11-21 1986-11-21 ROTATING FITTING FOR FUEL FLUID SUPPLY PIPES FOR AERO-GAS TORCHES

Publications (2)

Publication Number Publication Date
FR2607218A1 true FR2607218A1 (en) 1988-05-27
FR2607218B1 FR2607218B1 (en) 1992-05-15

Family

ID=9341203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8616430A Expired - Lifetime FR2607218B1 (en) 1986-11-21 1986-11-21 ROTATING FITTING FOR FUEL FLUID SUPPLY PIPES FOR AERO-GAS TORCHES

Country Status (1)

Country Link
FR (1) FR2607218B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE397356C (en) * 1924-06-20 James August Mc George Connection for pipes, rods, etc. like
FR1127312A (en) * 1955-07-09 1956-12-13 Friedrich Grohe Swingarm for water pipes
CH536454A (en) * 1971-09-15 1973-04-30 Zambini Prosper Pipe joint
FR2286335A1 (en) * 1974-09-27 1976-04-23 Kubota Ltd Pipe connection permitting relative angular movement - uses spherical surfaced sleeves fitted over ends of tubes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE397356C (en) * 1924-06-20 James August Mc George Connection for pipes, rods, etc. like
FR1127312A (en) * 1955-07-09 1956-12-13 Friedrich Grohe Swingarm for water pipes
CH536454A (en) * 1971-09-15 1973-04-30 Zambini Prosper Pipe joint
FR2286335A1 (en) * 1974-09-27 1976-04-23 Kubota Ltd Pipe connection permitting relative angular movement - uses spherical surfaced sleeves fitted over ends of tubes

Also Published As

Publication number Publication date
FR2607218B1 (en) 1992-05-15

Similar Documents

Publication Publication Date Title
FR2510714A1 (en) COAXIAL COUPLING FOR TUBES
FR2720019A1 (en) Welding torch with spherical joint cable adaptor
FR2773730A1 (en) DRILLING CHUCK AND DRILLING DEVICE COMPRISING SUCH A CHUCK
CH683403A5 (en) A quick-coupling of a tool intended to be driven in rotation.
FR2607218A1 (en) Rotating connection for a pipeline for supplying liquid fuel to air-gas torches
FR2661231A1 (en) DEVICE FOR SHUTTING INTERNAL RING DRIVE SHAFTS.
FR2485148A3 (en) TAP
FR3056433B1 (en) PNEUMATIC TENSIONING DEVICE WITH PIVOTING CONNECTION
FR2789648A1 (en) Throttle grip for motorcycle has throttle sleeve with collar supporting on ball bearing
EP3346169B1 (en) Fluid supply connection for sanitary fitting with check valve
EP0330631B1 (en) Swivel joint connecting hose and shower head
FR2686391A3 (en) Tap assembly
FR2578506A1 (en) LEVER OF MANEUVER FOR A BICYCLE
FR2634536A1 (en) Quick connection of a pump to a tyre valve with an end fitting having a projecting ring
FR2676952A3 (en) Screwdriver which can screw and unscrew screws or other similar fasteners with high torque and very fast
EP0862000B1 (en) Gas cock
EP0272991A1 (en) Welded valve with double sealing
FR2688569A1 (en) Device allowing the leaktight coupling of two tubular elements
FR2825774A1 (en) Coupling for passage of fluid under pressure has nipple shaped to prevent rotation when engaged with matching surfaces in adjoining component
FR2640008A1 (en) Nut and tool for tightening this nut
FR2606859A1 (en) TWO-WAY CONNECTION FOR WATER TAKING WITH INDEPENDENT REGULATING VALVES
FR2790055A3 (en) Pipe coupling with tubular body and nut has inner ring with stepped spherical surfaces to allow for misalignment of connected pipes
FR2681548A1 (en) Spanner
FR2655586A1 (en) Apparatus for joining two elements of pipework together by screwing
FR2513347A1 (en) Rotating male threaded flexible pipe connector - has outer rotating component with O=ring seals and external thread

Legal Events

Date Code Title Description
ST Notification of lapse