WO2011135125A1 - Unidirectional check valve for gas cylinders - Google Patents

Unidirectional check valve for gas cylinders Download PDF

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Publication number
WO2011135125A1
WO2011135125A1 PCT/ES2011/000141 ES2011000141W WO2011135125A1 WO 2011135125 A1 WO2011135125 A1 WO 2011135125A1 ES 2011000141 W ES2011000141 W ES 2011000141W WO 2011135125 A1 WO2011135125 A1 WO 2011135125A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
valve
shutter
gas
inlet
Prior art date
Application number
PCT/ES2011/000141
Other languages
Spanish (es)
French (fr)
Other versions
WO2011135125A8 (en
Inventor
Alfonso Pozo
Original Assignee
L.P.G. Tecnicas En Extincion De Incendios, S.L.
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 L.P.G. Tecnicas En Extincion De Incendios, S.L. filed Critical L.P.G. Tecnicas En Extincion De Incendios, S.L.
Publication of WO2011135125A1 publication Critical patent/WO2011135125A1/en
Publication of WO2011135125A8 publication Critical patent/WO2011135125A8/en

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Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F16K15/028—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element

Definitions

  • the present invention relates to a unidirectional check valve for gas-containing bottles, more specifically to a valve that allows the exit, but not the entry of extinguishing gas from a bottle into a bottle battery of a fire extinguishing installation and other pressurized gas supply facilities.
  • the bottles containing extinguishing gas used in centralized fire extinguishing facilities have respective unidirectional check valves that allow the circulation of gas in the exit direction and prevent its return into the bottles.
  • This invention is also applicable in other installations where a pressurized gas supply installation is connected to a conduit or secondary output circuit.
  • valves The purpose of these valves is, on the one hand, to prevent the gas supplied by the bottles from being able to back off and partially refill those bottles that are discharged or that have a lower pressure than the remaining ones and on the other have a safety function during installation and maintenance of the systems preventing the gas from being accidentally discharged through a port where a bottle is not connected at a given time where there may be personnel working.
  • said bottles are connected to a discharge collection tube, located above said bottles by means of sleeves arranged vertically and coupled at their ends to the discharge collection tube already the opening valve and Close the corresponding bottle.
  • the unidirectional check valves or non-return valves, are designed to work in an upright position, and are placed in the respective inlet sleeves of the bottles with the discharge manifold.
  • These unidirectional check valves have an inner passage in which a sealing ball facing a defined seat in the inner passage is housed with the possibility of displacement and is below said ball in the vertical position of use of the valve, of such that the aforementioned sealing ball tends to remain in the closed position by its own weight, preventing the passage of the gas in a downward direction of return, and allowing the passage of the gas in the upward direction of advance, since the gas pressure itself Raise the ball to an open position.
  • valves have at each of their ends a single inlet mouth which determines that each gas container bottle must be connected directly and independently to the respective inlet mouth of the collecting tube. Therefore, the technical problem to be solved is the development of a unidirectional check valve, which can work in any position, not necessarily in an upright position and that allows its output to be connected with two or more consecutive sections of a circulation pipe of the coming gas of different gas container bottles.
  • the unidirectional check valve for gas container bottles, object of this invention has technical characteristics that allow greater flexibility of use, proper operation in any spatial orientation and simultaneous connection of its outlet with two or more sections or sleeves Consecutive, forming a gas outlet duct from different bottles.
  • the valve comprises a body with a gas inlet to an inner housing, and an outlet to a sleeve or gas extraction conduit to the outside; being arranged in said housing a shutter in charge of preventing the circulation of gas between said inlet mouth and the outlet mouth.
  • the body has at its rear a housing closing lid, in which two or more outlet mouths are defined, these outlet mouths being communicated with the housing to facilitate the extraction and / or the passage of gas through said valve to two or more consecutive sections of a gas circulation line supplied from different bottles.
  • the inner housing has a front annular seat arranged around the inlet mouth and provided with an elastic seal.
  • the shutter has a discoidal shape, with an anterior annular shoulder facing the said elastic seal to establish the closure of the valve in the direction of return of the gas.
  • a compression spring acts against the back of the shutter, which forces said shutter into the closed position against the elastic seal.
  • valve allows its use as an inlet between two or more sleeves, thus enabling one bottle to be connected to another through the same conduit before the collecting tube , the valve acting as a section of gas passage from the corresponding bottle to a common gas outlet duct from different bottles, maintaining the valve its main function is to prevent unbalanced gas from flowing into the bottles connection.
  • this valve can be arranged in any orientation, both horizontal and inclined, regardless of the force of gravity, while obtaining smaller physical measurements of the valve.
  • the housing is cylindrical, with the coupling inlet in a base, and the obturator has its matching section for longitudinal guidance, said shutter presenting a drain surrounding on its front face, around the annular shoulder and communication holes between said emptying and the back of said shutter.
  • the obturator presents the holes distributed radially and with a certain inclination with respect to its transverse plane, orienting the gas jets from the front part of the housing towards the rear and stabilizing the opening of the valve, although the pressure of the gas flow decreases as the discharge of the bottle occurs.
  • the cover has a communication passage defined by a central hole between the inner housing of the valve and the outlet nozzles towards the sleeves, a seat for the compression spring being around this passage hole.
  • the mouths of exit can be faced coaxially or form to each other any angle.
  • the body and the cover have threaded areas for mutual coupling, facilitating the assembly and introduction of the shutter and the inner spring.
  • the inlet mouth comprises a threaded swivel coupling sleeve, connected to the front part of the body by means of an annular sealing rod.
  • This bushing allows that once the valve is placed on the bottle, it can be arranged in the orientation that is considered most convenient for the connection of the sleeves or conduits to be spliced, without losing tightness of the coupling.
  • the rotating bushing of the inlet port has an external hexagonal coupling to receive a key or drive tool.
  • cover and the body have notches in their contours to receive drive tools during their threaded engagement closing the housing.
  • FIG. 1 shows a sectioned elevation view of the valve.
  • FIG. 1 shows a plan view of the shutter.
  • FIG. 3 shows a sectional elevation view of the plug through a plane passing through the gas passage holes.
  • FIG. 4 shows a perspective view of the valve.
  • the unidirectional check valve comprises a body (1) with an inner housing (11) and a gas inlet (12) from a pressurized bottle or circuit, and a rear cover (2) that closes said housing (11) by means of a coupling through threaded areas (13 and 21) and an O-ring (10), being defined in this cover (2) two or more outlets (22) for the connection of sleeves or circulation pipes of the supplied gas.
  • Said outlets (22) are connected by a central communication passage (23), which in this case with two outlets (22) has a "T" shape, with the back of the housing (11).
  • the inlet mouth (12) is defined and, around this mouth, a front annular seat (14) with an elastic seal (15).
  • the shutter (3) has a discoidal shape with an annular shoulder (31) anteriorly facing the said elastic seal (15) for closing the valve.
  • the shutter (3) has a support (32) against which a compression spring (4) acts, which tends to keep the shutter in a closed position against the elastic seal (15).
  • the shutter (3) has a section coinciding with the housing (11) for its longitudinal guidance.
  • the shutter (3) has in its front face a recess (33) surrounding around the annular shoulder (31) of closing and communication holes (34) of said emptying (33) with the back of the shutter (3), enabling the gas inlet to the valve when the annular shoulder (31) is separated from the elastic seal (15) due to the inlet pressure.
  • These holes (34) are distributed radially and with a certain inclination with respect to the transverse plane of the shutter (3).
  • the cover (2) has the hole of the passage (23) centered and around it is a seat (24) of one end of the spring (4).
  • the inlet mouth (12) comprises a rotating bushing (16) with threaded coupling, which is connected to the front part of the body (1) by means of a metal sealing rod (17).
  • This rotating bushing (16) externally has a hexagonal coupling (18) to receive a drive tool.
  • the body (1) and the cover (2) have notches (19 and 25) in their contour to receive drive tools during assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to a valve that includes a body (1) having an inlet (12) to an inside housing (11), and an outlet (22) from said housing, there being a plug (3) between the inlet (12) and the outlet (22). The body (1) has a cover (2) for closing the housing (11), provided with two or more outlets (22) for the removal and/or flow of gas. The housing (11) has a ring seat (14) facing an elastic seal (15), and the plug (3) and a ring fitting (31) facing said elastic seal (15), there being a compression spring (4) located against the rear part of the plug (3), which, when in an inactive position, forces said plug (3) toward a closed position against the elastic seal (15).

Description

DESCRIPCIÓN  DESCRIPTION
VÁLVULA DE RETENCIÓN UNIDIRECCIONAL PARA BOTELLAS CONTENEDORAS DE GAS. UNIDIRECTIONAL RETENTION VALVE FOR GAS CONTAINER BOTTLES.
Objeto de la invención Object of the invention
La presente invención se refiere a una válvula de retención unidireccional para botellas contenedoras de gas, más concretamente a una válvula que permite la salida, pero no la entrada de gas extintor de una botella en una batería de botellas de una instalación de extinción de incendios y otras instalaciones de suministro de gas a presión.  The present invention relates to a unidirectional check valve for gas-containing bottles, more specifically to a valve that allows the exit, but not the entry of extinguishing gas from a bottle into a bottle battery of a fire extinguishing installation and other pressurized gas supply facilities.
Antecedentes de la invención. Background of the invention.
En la actualidad las botellas contenedoras de gas extintor utilizadas en instalaciones de extinción de incendios centralizadas, provistas de una batería de botellas de descarga simultánea, disponen de respectivas válvulas de retención unidireccional que permiten la circulación del gas en la dirección de salida e impiden su retorno hacia el interior de las botellas. Esta invención también es aplicable en otras instalaciones en las que se conecta una instalación de suministro de gas a presión a una conducción o circuito secundario de salida.  At present, the bottles containing extinguishing gas used in centralized fire extinguishing facilities, equipped with a battery of simultaneous discharge bottles, have respective unidirectional check valves that allow the circulation of gas in the exit direction and prevent its return into the bottles. This invention is also applicable in other installations where a pressurized gas supply installation is connected to a conduit or secondary output circuit.
La finalidad de estas válvulas es, por un lado, impedir que el gas suministrado por las botellas pueda retroceder y rellenar parcialmente aquellas botellas que se encuentren descargadas o que tienen una presión menor que las restantes y por otro tienen una función de seguridad durante la instalación y mantenimiento de los sistemas impidiendo que el gas pueda ser descargado accidentalmente por un puerto donde no esté conectada una botella en un momento dado donde pueda haber personal trabajando.  The purpose of these valves is, on the one hand, to prevent the gas supplied by the bottles from being able to back off and partially refill those bottles that are discharged or that have a lower pressure than the remaining ones and on the other have a safety function during installation and maintenance of the systems preventing the gas from being accidentally discharged through a port where a bottle is not connected at a given time where there may be personnel working.
Esta situación se evita mediante el uso de la válvula de retención unidireccional en cada una de las botellas.  This situation is avoided by using the unidirectional check valve on each of the bottles.
En las instalaciones de extinción de incendios provistas de una batería de botellas, dichas botellas se conectan a un tubo colector de descarga, situado por encima de dichas botellas mediante unos manguitos dispuestos en posición vertical y acoplados por sus extremos al tubo colector de la descarga y a la válvula de apertura y cierre de la botella correspondiente. In firefighting facilities equipped with a battery of bottles, said bottles are connected to a discharge collection tube, located above said bottles by means of sleeves arranged vertically and coupled at their ends to the discharge collection tube already the opening valve and Close the corresponding bottle.
Actualmente las válvulas de retención unidireccional, o válvulas antirretorno, están diseñadas para trabajar en posición vertical, y se sitúan en los respectivos manguitos de boca de entrada de las botellas con el tubo colector de descarga.  Currently, the unidirectional check valves, or non-return valves, are designed to work in an upright position, and are placed in the respective inlet sleeves of the bottles with the discharge manifold.
Estas válvulas de retención unidireccional presentan un pasaje interior en el que se encuentra alojada con posibilidad de desplazamiento una bola obturadora enfrentada a un asiento definido en el pasaje interior y que queda por debajo de dicha bola en la posición vertical de uso de la válvula, de forma que la mencionada bola obturadora tiende a mantenerse en la posición de cierre por propio peso, impidiendo el paso del gas en una dirección descendente de retorno, y permitiendo el paso del gas en la dirección ascendente de avance, ya que la propia presión del gas eleva la bola hacia una posición de apertura.  These unidirectional check valves have an inner passage in which a sealing ball facing a defined seat in the inner passage is housed with the possibility of displacement and is below said ball in the vertical position of use of the valve, of such that the aforementioned sealing ball tends to remain in the closed position by its own weight, preventing the passage of the gas in a downward direction of return, and allowing the passage of the gas in the upward direction of advance, since the gas pressure itself Raise the ball to an open position.
Sin embargo, la colocación de la válvula en una posición horizontal o invertida representa un problema técnico de funcionamiento, ya que la bola de cierre puede mantenerse en una posición de apertura permitiendo el paso del gas en la dirección de retorno.  However, placing the valve in a horizontal or inverted position represents a technical problem of operation, since the closing ball can be maintained in an opening position allowing the gas to pass in the return direction.
Estas válvulas disponen en cada uno de sus extremos de una única boca de boca de entrada lo que determina que cada botella contenedora de gas se tenga que conectar de forma directa e independiente a la respectiva de boca de entrada del tubo colector. Por tanto, el problema técnico a resolver es el desarrollo de una válvula de retención unidireccional, que pueda trabajar en cualquier posición, no necesariamente en posición vertical y que permita conectar su salida con dos o más tramos consecutivos de una conducción de circulación del gas procedente de diferentes botellas contenedoras de gas.  These valves have at each of their ends a single inlet mouth which determines that each gas container bottle must be connected directly and independently to the respective inlet mouth of the collecting tube. Therefore, the technical problem to be solved is the development of a unidirectional check valve, which can work in any position, not necessarily in an upright position and that allows its output to be connected with two or more consecutive sections of a circulation pipe of the coming gas of different gas container bottles.
Descripción de la invención Description of the invention
La válvula de retención unidireccional para botellas contenedoras de gas, objeto de esta invención presenta unas particularidades técnicas que permiten una mayor flexibilidad de uso, un correcto funcionamiento en cualquier orientación espacial y la conexión simultanea de su boca de salida con dos o más tramos o manguitos consecutivos, conformante de un conducto de salida del gas procedente de distintas botellas.  The unidirectional check valve for gas container bottles, object of this invention has technical characteristics that allow greater flexibility of use, proper operation in any spatial orientation and simultaneous connection of its outlet with two or more sections or sleeves Consecutive, forming a gas outlet duct from different bottles.
De acuerdo con la invención, la válvula comprende un cuerpo con una boca de entrada de gas hacia un alojamiento interior, y una boca de salida a un manguito o conducción de extracción del gas al exterior; encontrándose dispuesto en dicho alojamiento un obturador encargado de impedir la circulación de gas entre la citada boca de entrada y la boca de salida. According to the invention, the valve comprises a body with a gas inlet to an inner housing, and an outlet to a sleeve or gas extraction conduit to the outside; being arranged in said housing a shutter in charge of preventing the circulation of gas between said inlet mouth and the outlet mouth.
De acuerdo con la invención, el cuerpo presenta en su parte posterior una tapa de cierre del alojamiento, en la que se encuentran definidas dos o más bocas de salida, estando estas bocas de salida comunicadas con el alojamiento para facilitar la extracción y/o el paso de gas a través de dicha válvula hacia dos o más tramos consecutivos de una conducción de circulación del gas suministrado desde diferentes botellas.  According to the invention, the body has at its rear a housing closing lid, in which two or more outlet mouths are defined, these outlet mouths being communicated with the housing to facilitate the extraction and / or the passage of gas through said valve to two or more consecutive sections of a gas circulation line supplied from different bottles.
A su vez, el alojamiento interior presenta un asiento anular frontal dispuesto alrededor de la boca de entrada y provisto de una junta elástica. El obturador presenta una forma discoidal, con un resalte anular anterior enfrentado a la citada junta elástica para establecer el cierre del válvula en la dirección de retorno del gas. Contra la parte posterior del obturador actúa un muelle de compresión que fuerza dicho obturador hacia la posición de cierre contra la junta elástica.  In turn, the inner housing has a front annular seat arranged around the inlet mouth and provided with an elastic seal. The shutter has a discoidal shape, with an anterior annular shoulder facing the said elastic seal to establish the closure of the valve in the direction of return of the gas. A compression spring acts against the back of the shutter, which forces said shutter into the closed position against the elastic seal.
Esta configuración permite una serie de ventajas importantes entre las que se encuentran el hecho de que la válvula permite su uso como boca de entrada entre dos o más manguitos, habilitando así que una botella se pueda conectar a otra mediante una misma conducción antes del tubo colector, actuando la válvula como un tramo de paso de gas desde la botella correspondiente hacia un conducto común de salida del gas procedente de distintas botellas, manteniendo la válvula su función principal es impedir la salida de gas desequilibrada hacia la conexión de las botellas.  This configuration allows a series of important advantages among which are the fact that the valve allows its use as an inlet between two or more sleeves, thus enabling one bottle to be connected to another through the same conduit before the collecting tube , the valve acting as a section of gas passage from the corresponding bottle to a common gas outlet duct from different bottles, maintaining the valve its main function is to prevent unbalanced gas from flowing into the bottles connection.
Además, esta válvula se puede disponer en cualquier orientación, tanto horizontal como inclinada, independientemente de la fuerza de gravedad, a la vez que se obtienen unas medidas físicas de la válvula más reducidas .  In addition, this valve can be arranged in any orientation, both horizontal and inclined, regardless of the force of gravity, while obtaining smaller physical measurements of the valve.
Para conseguir que la válvula presente unas turbulencias reducidas al paso del gas a alta presión, el alojamiento es cilindrico, con la boca de entrada de acoplamiento en una base, y el obturador presenta su sección coincidente para su guiado longitudinal, presentando dicho obturador un vaciado circundante en su cara anterior, alrededor del resalte anular y unos orificios de comunicación entre dicho vaciado y la parte posterior de dicho obturador. El obturador presenta los orificios distribuidos radialmente y con una cierta inclinación respecto a su plano transversal, orientando los chorros de gas desde la parte anterior del alojamiento hacia atrás y estabilizando la apertura de la válvula, aunque la presión del flujo del gas decrezca a medida que se produce la descarga de la botella. In order to ensure that the valve has reduced turbulence at the passage of the gas at high pressure, the housing is cylindrical, with the coupling inlet in a base, and the obturator has its matching section for longitudinal guidance, said shutter presenting a drain surrounding on its front face, around the annular shoulder and communication holes between said emptying and the back of said shutter. The obturator presents the holes distributed radially and with a certain inclination with respect to its transverse plane, orienting the gas jets from the front part of the housing towards the rear and stabilizing the opening of the valve, although the pressure of the gas flow decreases as the discharge of the bottle occurs.
La tapa presenta entre el alojamiento interior de la válvula y las bocas de salida hacia los manguitos un paso de comunicación definido por un orificio central, encontrándose alrededor de este orificio del paso un asiento para el muelle de compresión.  The cover has a communication passage defined by a central hole between the inner housing of the valve and the outlet nozzles towards the sleeves, a seat for the compression spring being around this passage hole.
Las bocas de salida pueden estar enfrentadas coaxialmente o formar entre sí cualquier ángulo.  The mouths of exit can be faced coaxially or form to each other any angle.
El cuerpo y la tapa presentan unas zonas roscadas para su acoplamiento mutuo, facilitando la labor de montaje e introducción del obturador y del muelle interior.  The body and the cover have threaded areas for mutual coupling, facilitating the assembly and introduction of the shutter and the inner spring.
A su vez, la boca de entrada comprende un casquillo giratorio roscado de acoplamiento, conectado con la parte anterior del cuerpo mediante una varilla anular de estanqueidad. Este casquillo permite que una vez colocada la válvula sobre la botella, se pueda disponer en la orientación que se estime más conveniente para el enchufe de los manguitos o conducciones a empalmar, sin que se pierda estanqueidad del acoplamiento. El casquillo giratorio de la boca de entrada presenta exteriormente un acoplamiento hexagonal para recibir una llave o herramienta de accionamiento.  In turn, the inlet mouth comprises a threaded swivel coupling sleeve, connected to the front part of the body by means of an annular sealing rod. This bushing allows that once the valve is placed on the bottle, it can be arranged in the orientation that is considered most convenient for the connection of the sleeves or conduits to be spliced, without losing tightness of the coupling. The rotating bushing of the inlet port has an external hexagonal coupling to receive a key or drive tool.
A su vez, la tapa y el cuerpo presentan en sus contornos unas muescas para recibir unas herramientas de accionamiento durante su acoplamiento a rosca cerrando el alojamiento.  In turn, the cover and the body have notches in their contours to receive drive tools during their threaded engagement closing the housing.
Descripción de las figuras.  Description of the figures.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:  To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented:
- La figura 1 muestra una vista en alzado seccionado de la válvula. - Figure 1 shows a sectioned elevation view of the valve.
- La figura 2 muestra una vista en planta del obturador. - Figure 2 shows a plan view of the shutter.
- La figura 3 muestra una vista en alzado seccionado del obturador por un plano que pasa por los orificios de paso de gas.  - Figure 3 shows a sectional elevation view of the plug through a plane passing through the gas passage holes.
- La figura 4 muestra una vista en perspectiva de la válvula.  - Figure 4 shows a perspective view of the valve.
Realización preferente de la invención Preferred Embodiment of the Invention
Como se puede observar en las figuras referenciadas la válvula de retención unidireccional comprende un cuerpo (1) con un alojamiento (11) interior y una boca de entrada (12) de gas desde una botella o circuito a presión, y una tapa (2) posterior que cierra dicho alojamiento (11) mediante un acoplamiento por unas zonas roscadas (13 y 21) y una junta tórica (10), encontrándose definidas en esta tapa (2) dos o más bocas de salida (22) para la conexión de unos manguitos o conducciones de circulación del gas suministrado. Dichas bocas de salida (22) están conectadas mediante un paso (23) de comunicación central, que en este caso con dos bocas de salida (22) presenta forma de "T", con la parte posterior del alojamiento (11). As can be seen in the referenced figures, the unidirectional check valve comprises a body (1) with an inner housing (11) and a gas inlet (12) from a pressurized bottle or circuit, and a rear cover (2) that closes said housing (11) by means of a coupling through threaded areas (13 and 21) and an O-ring (10), being defined in this cover (2) two or more outlets (22) for the connection of sleeves or circulation pipes of the supplied gas. Said outlets (22) are connected by a central communication passage (23), which in this case with two outlets (22) has a "T" shape, with the back of the housing (11).
En el interior del alojamiento (11) se encuentra un obturador (3) de forma discoidal y de contorno correspondiente con la sección circular del alojamiento (11) cilindrico.  Inside the housing (11) there is a shutter (3) of discoidal shape and corresponding contour with the circular section of the cylindrical housing (11).
En la cara frontal del citado alojamiento (11) se encuentra definida la boca de entrada (12) y, alrededor de esta boca, un asiento anular (14) frontal con una junta elástica (15).  On the front face of said housing (11) the inlet mouth (12) is defined and, around this mouth, a front annular seat (14) with an elastic seal (15).
El obturador (3) presenta una forma discoidal con un resalte anular (31) anterior enfrentado a la citada junta elástica (15) para el cierre de la válvula.  The shutter (3) has a discoidal shape with an annular shoulder (31) anteriorly facing the said elastic seal (15) for closing the valve.
El obturador (3) dispone en la parte posterior de un apoyo (32) contra al que actúa un muelle (4) de compresión que tiende a mantener el obturador en una posición de cierre contra la junta elástica (15).  The shutter (3) has a support (32) against which a compression spring (4) acts, which tends to keep the shutter in a closed position against the elastic seal (15).
El obturador (3) presenta una sección coincidente con el alojamiento (11) para su guiado longitudinal. El obturador (3) presenta en su cara anterior un vaciado (33) circundante alrededor del resalte anular (31) de cierre y unos orificios (34) de comunicación de dicho vaciado (33) con la parte posterior del obturador (3), habilitando la entrada de gas a la válvula cuando el resalte anular (31) se separa de la junta elástica (15) por efecto de la presión de entrada. Estos orificios (34) se encuentran distribuidos radialmente y con una cierta inclinación respecto al plano transversal del obturador (3). La tapa (2) presenta el orificio del paso (23) centrado y a su alrededor se encuentra un asiento (24) de un extremo del muelle (4).  The shutter (3) has a section coinciding with the housing (11) for its longitudinal guidance. The shutter (3) has in its front face a recess (33) surrounding around the annular shoulder (31) of closing and communication holes (34) of said emptying (33) with the back of the shutter (3), enabling the gas inlet to the valve when the annular shoulder (31) is separated from the elastic seal (15) due to the inlet pressure. These holes (34) are distributed radially and with a certain inclination with respect to the transverse plane of the shutter (3). The cover (2) has the hole of the passage (23) centered and around it is a seat (24) of one end of the spring (4).
La boca de entrada (12) comprende un casquillo giratorio (16) de acoplamiento roscado, el cual está conectado con la parte anterior del cuerpo (1) mediante una varilla de metal de estanqueidad (17). Este casquillo giratorio (16) presenta exteriormente un acoplamiento hexagonal (18) para recibir una herramienta de accionamiento.  The inlet mouth (12) comprises a rotating bushing (16) with threaded coupling, which is connected to the front part of the body (1) by means of a metal sealing rod (17). This rotating bushing (16) externally has a hexagonal coupling (18) to receive a drive tool.
En una realización preferente el cuerpo (1 ) y la tapa (2) presentan en su contorno unas muescas (19 y 25) para recibir unas herramientas de accionamiento durante su montaje. In a preferred embodiment, the body (1) and the cover (2) have notches (19 and 25) in their contour to receive drive tools during assembly.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación.  Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not imply an alteration. of the essential features of the invention that are claimed below.

Claims

REIVINDICACIONES
1.- Válvula de retención unidireccional para botellas contenedoras de gas, del tipo de las que comprenden un cuerpo (1) con una boca de entrada (12) a un alojamiento (1 1 ) interior, y una boca de salida (22) de dicho alojamiento a un manguito o conducción de extracción del gas al exterior; encontrándose en dicho alojamiento (1 1) un obturador (3) de la circulación entre la citada boca de entrada (12) y la boca de salida (22) al manguito o conducción cuando la presión en la botella es inferior a un valor determinado, caracterizada porque el cuerpo (1 ) presenta en su parte posterior una tapa (2) de cierre del alojamiento (1 1 ), en la que se encuentran definidas dos o más bocas de salida (22), estando estas bocas de salida (22) comunicadas con el alojamiento (1 1) para facilitar la extracción y/o el paso de gas a través de dicha válvula; y porque el alojamiento (1 1) presenta alrededor de la boca de entrada (12) un asiento anular (14) frontal con una junta elástica (15), y el obturador (3) presenta una forma discoidal, con un resalte anular (31) anterior enfrentado a la citada junta elástica (15), encontrándose un muelle (4) de compresión dispuesto contra la parte posterior del obturador (3), y que en una posición inoperante fuerza dicho obturador (3) hacia una posición de cierre contra la junta elástica (15). 1.- Unidirectional check valve for gas container bottles, of the type comprising a body (1) with an inlet (12) to an inner housing (1 1), and an outlet (22) of said housing to a sleeve or gas extraction conduit to the outside; said housing (1 1) being a shutter (3) of the circulation between said inlet mouth (12) and the outlet mouth (22) to the sleeve or conduit when the pressure in the bottle is less than a certain value, characterized in that the body (1) has on its back a cover (2) for closing the housing (1 1), in which two or more outlets (22) are defined, these outlets (22) being communicated with the housing (1 1) to facilitate the extraction and / or the passage of gas through said valve; and because the housing (1 1) has a front annular seat (14) with an elastic seal (15) around the entrance mouth (12), and the obturator (3) has a discoidal shape, with an annular shoulder (31) ) in front of said elastic seal (15), a compression spring (4) being arranged against the back of the plug (3), and in an inoperative position said shutter (3) forces towards a closed position against the elastic seal (15).
2.- Válvula, según la reivindicación 1 , caracterizada porque el alojamiento2. Valve according to claim 1, characterized in that the housing
(1 1 ) es cilindrico con la boca de entrada (12) de acoplamiento en una base y el obturador (3) presenta su sección coincidente para su guiado longitudinal, comprendiendo dicho obturador (3) un vaciado (33) circundante en su cara anterior, alrededor del resalte anular (31 ) y unos orificios (34) de comunicación entre dicho vaciado (33) y la parte posterior de dicho obturador (3). (1 1) is cylindrical with the coupling inlet port (12) on a base and the shutter (3) has its matching section for longitudinal guidance, said shutter (3) comprising a recess (33) surrounding on its front face , around the annular shoulder (31) and communication holes (34) between said emptying (33) and the back of said shutter (3).
3. - Válvula, según la reivindicación 2, caracterizada porque los orificios (33) están distribuidos radialmente en el obturador (3) y presentan una cierta inclinación respecto a al plano transversal del obturador. 3. - Valve according to claim 2, characterized in that the holes (33) are distributed radially in the plug (3) and have a certain inclination with respect to the transverse plane of the plug.
4. - Válvula, según cualquiera de las reivindicaciones anteriores, caracterizada porque la tapa (2) presenta entre el alojamiento (1 1 ) y las bocas de salida (22) un paso (23) de comunicación definido por un orificio central, en torno al cual se encuentra definido un asiento (24) para el posicionamiento de uno de los extremos del muelle (4). 4. - Valve, according to any of the preceding claims, characterized in that the cover (2) has a communication passage (23) defined by a central orifice, around the housing (1 1) and the outlets (22) To which a seat (24) is defined for positioning one of the ends of the spring (4).
5. - Válvula, según cualquiera de las reivindicaciones anteriores, caracterizada porque el cuerpo (1 ) y la tapa (2) presentan unas zonas roscadas (13 y5. - Valve according to any of the preceding claims, characterized in that the body (1) and the cover (2) have threaded areas (13 and
21 ) para su acoplamiento mutuo. 21) for mutual coupling.
6. - Válvula, según cualquiera de las reivindicaciones anteriores, caracterizada porque la boca de entrada (12) comprende un casquillo giratorio (16) de acoplamiento roscado, conectado con la parte anterior del cuerpo (1 ) mediante una varilla anular de estanqueidad (17). 6. - Valve according to any one of the preceding claims, characterized in that the inlet port (12) comprises a threaded coupling swivel bush (16), connected to the front part of the body (1) by means of an annular sealing rod (17 ).
7. - Válvula, según la reivindicación 6, caracterizada porque el casquillo giratorio (16) de la boca de entrada (12) presenta extehormente un acoplamiento hexagonal (18) para recibir una herramienta de accionamiento. 7. - Valve according to claim 6, characterized in that the rotating bushing (16) of the inlet mouth (12) has an hexagonal coupling (18) to receive a drive tool.
8. - Válvula, según cualquiera de las reivindicaciones anteriores, caracterizada porque el cuerpo (1) y la tapa (2) presentan en su contorno unas muescas (19 y 25) para recibir unas herramientas de accionamiento durante su montaje. 8. - Valve, according to any of the preceding claims, characterized in that the body (1) and the cover (2) have notches (19 and 25) in their contour to receive drive tools during assembly.
PCT/ES2011/000141 2010-04-27 2011-04-26 Unidirectional check valve for gas cylinders WO2011135125A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES201000399U ES1072695Y (en) 2010-04-27 2010-04-27 UNIDIRECTIONAL RETENTION VALVE FOR GAS CONTAINER BOTTLES
ESU201000399 2010-04-27
ESU201000899 2010-04-27

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WO2011135125A1 true WO2011135125A1 (en) 2011-11-03
WO2011135125A8 WO2011135125A8 (en) 2012-12-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016014683A1 (en) * 2014-07-23 2016-01-28 John Tomasko In-line pressure relief valve and rupture disk

Citations (4)

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Publication number Priority date Publication date Assignee Title
US2930401A (en) * 1956-11-16 1960-03-29 Bobrick Mfg Corp Poppet valve construction
GB1114067A (en) * 1965-06-22 1968-05-15 Fischer Ag Georg Improvements in or relating to high pressure non-return valves
US20030131892A1 (en) * 2001-12-13 2003-07-17 Axel Hebmuller Non-return valve
ES2300992T3 (en) * 2004-01-30 2008-06-16 Eaton Corporation PRESSURE FALL RETENTION VALVE.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930401A (en) * 1956-11-16 1960-03-29 Bobrick Mfg Corp Poppet valve construction
GB1114067A (en) * 1965-06-22 1968-05-15 Fischer Ag Georg Improvements in or relating to high pressure non-return valves
US20030131892A1 (en) * 2001-12-13 2003-07-17 Axel Hebmuller Non-return valve
ES2300992T3 (en) * 2004-01-30 2008-06-16 Eaton Corporation PRESSURE FALL RETENTION VALVE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016014683A1 (en) * 2014-07-23 2016-01-28 John Tomasko In-line pressure relief valve and rupture disk
US11073218B2 (en) 2014-07-23 2021-07-27 Bs&B Innovations Limited In-line pressure relief valve and rupture disk

Also Published As

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ES1072695Y (en) 2010-12-14
WO2011135125A8 (en) 2012-12-13
ES1072695U (en) 2010-08-23

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