ES2557133T3 - Trigger dispensing device with a supply valve - Google Patents
Trigger dispensing device with a supply valve Download PDFInfo
- Publication number
- ES2557133T3 ES2557133T3 ES11813567.2T ES11813567T ES2557133T3 ES 2557133 T3 ES2557133 T3 ES 2557133T3 ES 11813567 T ES11813567 T ES 11813567T ES 2557133 T3 ES2557133 T3 ES 2557133T3
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- Prior art keywords
- membrane
- dispensing
- pumping chamber
- frame
- piston
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1009—Piston pumps actuated by a lever
- B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure stroke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1045—Sealing or attachment arrangements between pump and container the pump being preassembled as an independent unit before being mounted on the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/1067—Pump inlet valves actuated by pressure
- B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
Dispositivo de dispensación de gatillo (1) para un líquido que comprende: - una cámara de bombeo (4) y un pistón (8) que se desliza de manera estanca en la cámara de bombeo (4) a lo largo de un eje de pistón (X); - un gatillo (12) conectado funcionalmente al pistón (8) para moverlo; - un conducto de aspiración (6) conectable fluídicamente a un recipiente del líquido que se va a dispensar, en el que dicho conducto de aspiración (6) sale en la cámara de bombeo (4) a través de una abertura de aspiración (6a); - un conducto de dispensación (14), hecho en un bastidor (3) de material rígido, que se extiende a lo largo de un eje de dispensación (Z), en conexión fluídica en un extremo con la cámara de bombeo (4) a través de una abertura de entrada (14a) y, en el otro extremo, en conexión fluídica con el ambiente exterior en el que la abertura de entrada (14a) está rodeada por un realce axial (14c) de material rígido; - una válvula de aspiración (30) adecuada para regular el paso de fluido entre el conducto de aspiración (6) y la cámara de bombeo (4); - una válvula de suministro (60) adecuada para regular el paso de fluidos entre la cámara de bombeo (4) y el conducto de dispensación (14) que comprende una membrana (62) de material flexible, estando adosada, en la configuración de reposo, al realce axial (14c) de la boca dispensadora (14a); - un elemento de bloqueo (80), hecho de un material rígido, adecuado para aplicarse al bastidor (3) y para influir sobre dicha membrana (62) en compresión para sostenerla apretada contra dicho bastidor (3), y que comprende un orificio (84) al que se aplica la válvula de entrega (60); caracterizado porque la válvula de suministro (60) comprende un vástago (70) que desliza en el orificio (84) del elemento de bloqueo (80).Trigger dispensing device (1) for a liquid comprising: - a pumping chamber (4) and a piston (8) sliding tightly in the pumping chamber (4) along a piston axis (X); - a trigger (12) functionally connected to the piston (8) to move it; - a suction conduit (6) fluidly connectable to a container of the liquid to be dispensed, in which said suction conduit (6) exits into the pumping chamber (4) through a suction opening (6a) ; - a dispensing conduit (14), made in a frame (3) of rigid material, extending along a dispensing axis (Z), in fluid connection at one end with the pumping chamber (4) a through an inlet opening (14a) and, at the other end, in fluid connection with the external environment in which the inlet opening (14a) is surrounded by an axial boss (14c) of rigid material; - a suction valve (30) suitable for regulating the passage of fluid between the suction conduit (6) and the pumping chamber (4); - a supply valve (60) suitable for regulating the passage of fluids between the pumping chamber (4) and the dispensing conduit (14) comprising a membrane (62) of flexible material, being attached, in the rest configuration , to the axial projection (14c) of the dispensing mouth (14a); - a locking element (80), made of a rigid material, suitable to be applied to the frame (3) and to influence said membrane (62) in compression to hold it pressed against said frame (3), and comprising a hole ( 84) to which the delivery valve (60) is applied; characterized in that the supply valve (60) comprises a stem (70) which slides in the hole (84) of the blocking element (80).
Description
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DESCRIPCIONDESCRIPTION
Dispositivo de dispensacion de gatillo con una valvula de suministroTrigger dispensing device with a supply valve
La presente invencion se refiere a un dispositivo de dispensacion de gatillo para un liquido.The present invention relates to a trigger dispensing device for a liquid.
Los dispositivos dispensadores de gatillo conocidos conciben medios de bombeo accionados por gatillo, que aspiran el liquido a una camara de bombeo y lo dispensan hacia fuera por medio de un piston.Known trigger dispensing devices conceive trigger-operated pumping means, which aspirate the liquid into a pumping chamber and dispense it outwardly by means of a piston.
Se sabe bien que, para que el chorro del liquido dispensado llegue a una buena distancia desde el dispositivo y sea bien pulverizado en gotas finas, antes de la dispensacion se necesita una precompresion del liquido.It is well known that, in order for the jet of the dispensed liquid to reach a good distance from the device and be well sprayed in fine drops, a precompression of the liquid is required before dispensing.
Se conocen muchos dispositivos dispensadores de gatillo con una valvula de precompresion, tambien llamada valvula de suministro, colocada entre la camara de bombeo y el conducto dispensador de liquido, como se divulga en el documento WO 0033970.Many trigger dispensing devices with a precompression valve, also called a supply valve, are placed between the pumping chamber and the liquid dispensing conduit, as disclosed in WO 0033970.
Sin embargo, dichas valvulas tienen numerosos inconvenientes: a menudo, sometidas a la presion del liquido, provocan una caida en la presion de dispensacion debido a las fugas entre las valvulas y los componentes que las soportan.However, such valves have numerous drawbacks: often, subject to the pressure of the liquid, they cause a drop in the dispensing pressure due to leaks between the valves and the components that support them.
La finalidad de la presente invencion es satisfacer los requisitos mencionados anteriormente y vencer los inconvenientes de las soluciones anteriores, mediante la elaboracion de un dispositivo de dispensacion de gatillo con una valvula de suministro que se comporte optimamente cuando este abierta.The purpose of the present invention is to satisfy the aforementioned requirements and overcome the drawbacks of the above solutions, by developing a trigger dispensing device with a supply valve that behaves optimally when it is open.
Dicha finalidad se logra mediante un dispositivo de dispensacion segun la reivindicacion 1.Said purpose is achieved by means of a dispensing device according to claim 1.
Las caracteristicas y ventajas del dispositivo de dispensacion de gatillo segun la presente invencion seran evidentes a partir de la siguiente descripcion, hecha a modo de un ejemplo no limitativo, con referencia a los dibujos adjuntos, en los que:The characteristics and advantages of the trigger dispensing device according to the present invention will be apparent from the following description, made by way of a non-limiting example, with reference to the accompanying drawings, in which:
- la figura 1 muestra una vista en seccion transversal del dispositivo de dispensacion segun la presente invencion, segun una realizacion;- Figure 1 shows a cross-sectional view of the dispensing device according to the present invention, according to an embodiment;
- la figura 2 muestra una ampliacion del area II en la figura 1;- Figure 2 shows an enlargement of area II in Figure 1;
- las figuras 3a y 3b muestran una respectiva vista trasera y una delantera de una valvula de suministro del dispositivo de dispensacion de la figura 1;- Figures 3a and 3b show a respective rear view and a front view of a supply valve of the dispensing device of Figure 1;
- las figuras 4a y 4b muestran un respectiva vista trasera y una delantera de un elemento de union del dispositivo de dispensacion de la figura 1; y- Figures 4a and 4b show a respective rear view and a front view of a joint element of the dispensing device of Figure 1; Y
- la figura 5 muestra una vista en seccion transversal de una valvula de suministro segun la presente invencion, segun todavia una realizacion adicional.- Figure 5 shows a cross-sectional view of a supply valve according to the present invention, according to a still further embodiment.
Un conjunto de dispensacion para un liquido comprende un recipiente, para contener el liquido que se va a dispensar, y un dispositivo de dispensacion de gatillo accionado manualmente, conectado mecanicamente al recipiente.A dispensing assembly for a liquid comprises a container, to contain the liquid to be dispensed, and a manually operated trigger dispensing device, mechanically connected to the container.
Por ejemplo, el dispositivo 1 comprende una sujecion 2 para la conexion al cuello del recipiente, por ejemplo para una conexion roscada o de bayoneta.For example, the device 1 comprises a fastener 2 for connection to the neck of the container, for example for a threaded or bayonet connection.
El dispositivo 1 comprende ademas un bastidor 3, generalmente hecho de un material de bastidor relativamente rigido para el soporte de los otros componentes.The device 1 further comprises a frame 3, generally made of a relatively rigid frame material for the support of the other components.
En particular, el dispositivo 1 comprende medios de bombeo adecuados para aspirar el liquido del recipiente y para pulverizarlo fuera del propio dispositivo.In particular, the device 1 comprises suitable pumping means to aspirate the liquid from the container and to spray it out of the device itself.
Por ejemplo, los medios de bombeo comprenden una camara de bombeo 4 adecuada para ser colocada en comunicacion fluidica con el recipiente; por ejemplo, el bastidor 3 comprende un conducto de aspiracion 6 abierto en un extremo hacia el recipiente y tal como para salir, en el extremo opuesto, en la camara 4.For example, the pumping means comprise a pumping chamber 4 suitable to be placed in fluid communication with the container; for example, the frame 3 comprises a suction duct 6 open at one end towards the container and such as to exit, at the opposite end, in the chamber 4.
Los medios de bombeo comprenden ademas un piston 8, que se desliza de manera estanca en la camara 4 a lo largo de un eje de piston X.The pumping means further comprise a piston 8, which slides tightly in the chamber 4 along a piston axis X.
Por ejemplo, el bastidor 3 comprende una pared de camara 10a, por ejemplo cilindrica, con su eje coincidente con el eje de piston X, que define anularmente la camara 4, y una pared extrema 10b, por ejemplo perpendicular al eje deFor example, the frame 3 comprises a chamber wall 10a, for example cylindrical, with its axis coinciding with the piston axis X, which annularly defines the chamber 4, and an end wall 10b, for example perpendicular to the axis of
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piston, colocada opuesta al cabezal de piston 8, que define el fondo de la camara 4.piston, placed opposite the piston head 8, which defines the bottom of the chamber 4.
Preferentemente el conducto de aspiracion 6 sale en la camara de bombeo 4 a traves de la abertura de aspiracion 6a hecha en dicha pared extrema 10b.Preferably the suction duct 6 exits in the pumping chamber 4 through the suction opening 6a made in said end wall 10b.
Ademas, el dispositivo 1 comprende medios de accionamiento manejados manualmente, adecuados para ser movidos para mover el piston 8 en traslacion.In addition, the device 1 comprises manually operated drive means, suitable for being moved to move the piston 8 in translation.
Por ejemplo, los medios de accionamiento comprenden un gatillo 12, soportado por el bastidor 3, por ejemplo abisagrado en el o trasladable en el. El gatillo 12 es aplicable al piston 8 para mover dicho piston en traslacion.For example, the actuating means comprise a trigger 12, supported by the frame 3, for example hinged on or translatable therein. Trigger 12 is applicable to piston 8 to move said piston in translation.
El piston 8 se desliza en la camara 4 entre una posicion de carrera de comienzo o hacia atras o de reposo inicial, en la que el volumen de la camara 4 es maximo, y una posicion de dispensacion de carrera de extremo o hacia delante o final, en la que el volumen de la camara es minimo.The piston 8 slides in the chamber 4 between a starting or backward or initial resting position, in which the volume of the chamber 4 is maximum, and an end or forward or final stroke dispensing position , in which the volume of the camera is minimal.
Preferentemente ademas, los medios de accionamiento comprenden medios de retorno adecuados para empujar el gatillo hacia la posicion de reposo inicial. Por ejemplo, dichos medios de retorno comprenden un elemento elastico.Preferably also, the drive means comprise return means suitable for pushing the trigger towards the initial rest position. For example, said return means comprise an elastic element.
Ademas, el dispositivo 1 comprende un conducto de dispensacion 14 adecuado para ser colocado en comunicacion fluidica en una abertura de entrada 14a con la camara de bombeo 4 y, en una abertura de salida 14b con el ambiente exterior, para pulverizar el liquido al entorno.In addition, the device 1 comprises a dispensing conduit 14 suitable to be placed in fluid communication in an inlet opening 14a with the pumping chamber 4 and, in an outlet opening 14b with the outside environment, to spray the liquid into the environment.
Por ejemplo, el bastidor 3 comprende una pared de conducto 16 anular alrededor de un eje de dispensacion Z que define anularmente el conducto de dispensacion 14.For example, the frame 3 comprises an annular conduit wall 16 around a dispensing axis Z which annularly defines the dispensing conduit 14.
El conducto de dispensacion se extiende a lo largo del eje de dispensacion Z, preferentemente separado de y paralelo al eje de piston X.The dispensing conduit extends along the dispensing axis Z, preferably separated from and parallel to the piston axis X.
Segun una realizacion, la abertura de entrada 14a esta delimitada circunferencialmente por un realce axial o escalon anular (14c) que se proyecta axialmente.According to one embodiment, the inlet opening 14a is circumferentially delimited by an axial enhancement or annular step (14c) that projects axially.
Segun una realizacion adicional, la abertura de entrada 14a esta definida por la abertura generada por un bisel 14d colocada en el extremo del conducto de dispensacion 14.According to a further embodiment, the inlet opening 14a is defined by the opening generated by a bevel 14d placed at the end of the dispensing conduit 14.
Ademas, en la abertura de entrada 14a, fuera del conducto dispensador 14, el bastidor 3 comprende una pared de union 17, por ejemplo una pared anular que tiene simetria axial con el eje de dispensacion Z.Also, in the inlet opening 14a, outside the dispensing conduit 14, the frame 3 comprises a joint wall 17, for example an annular wall having axial symmetry with the dispensing axis Z.
Por ejemplo, la pared de union 17 finaliza con un realce anular 17a que se extiende radialmente hacia fuera como para forma un recorte.For example, the junction wall 17 ends with an annular enhancement 17a that extends radially outward as to form a cutout.
Alrededor de la abertura de entrada 14a, fuera del conducto dispensador 14, como la pared de soporte 17 tiene dimensiones radiales mas grandes que dicha abertura de entrada 14a, se hace una superficie de corona 18 que rodea al menos parcialmente a dicha abertura de entrada 14a.Around the inlet opening 14a, outside the dispensing conduit 14, as the support wall 17 has radial dimensions larger than said inlet opening 14a, a crown surface 18 is made that at least partially surrounds said inlet opening 14a .
La superficie de corona 18 esta interrumpida por un paso intermedio 19 que sale en la camara de presion 4, para colocar dicha camara de presion en comunicacion con el conducto de dispensacion 14.The crown surface 18 is interrupted by an intermediate passage 19 that exits in the pressure chamber 4, to place said pressure chamber in communication with the dispensing conduit 14.
Preferentemente ademas, el dispositivo 1 comprende una boquilla 20 aplicada al extremo de salida 14b del conducto de dispensacion 14, para colocar el liquido saliente en vortice o para nebulizarlo finamente o abrir/cerrar la salida del conducto de dispensacion.Preferably also, the device 1 comprises a nozzle 20 applied to the outlet end 14b of the dispensing conduit 14, to place the outgoing liquid in a vortex or to fine mist it or open / close the outlet of the dispensing conduit.
Una realizacion de dicha boquilla se describe, por ejemplo, en el documento BS22010A000003 a nombre del solicitante, cuya ensenanza se incorpora en el presente documento.An embodiment of said nozzle is described, for example, in document BS22010A000003 in the name of the applicant, whose teaching is incorporated herein.
Preferentemente el dispositivo 1 comprende medios de aspiracion de valvula adecuados para permitir el paso de liquido desde el conducto de aspiracion 6 a la camara de presion 4 cuando el piston 8 retorna desde la posicion final a la posicion inicial y adecuados para limitar o impedir el retorno del liquido desde la camara de bombeo 4 al conducto de aspiracion 6 cuando el piston se mueve desde la posicion inicial a la posicion final.Preferably the device 1 comprises suitable valve suction means to allow the passage of liquid from the suction line 6 to the pressure chamber 4 when the piston 8 returns from the final position to the initial position and suitable to limit or prevent the return of the liquid from the pumping chamber 4 to the suction duct 6 when the piston moves from the initial position to the final position.
Los medios de aspiracion de valvula comprenden una valvula de aspiracion 30 adecuada para separar fluidicamente la camara de bombeo 4 del conducto de aspiracion 6, aplicada a la pared extrema 10b de la camara 4, para rodear o cubrir la abertura de aspiracion 6a.The valve suction means comprise a suction valve 30 suitable for fluidly separating the pumping chamber 4 from the suction duct 6, applied to the end wall 10b of the chamber 4, to surround or cover the suction opening 6a.
Preferentemente ademas, el dispositivo 1 comprende medios de valvula de suministro adecuados para permitir el paso de liquido presurizado desde la camara de bombeo 4 al conducto dispensador 14 cuando el piston se mueve desde la posicion inicial a la posicion final.Preferably further, the device 1 comprises suitable supply valve means to allow the passage of pressurized liquid from the pumping chamber 4 to the dispensing conduit 14 when the piston moves from the initial position to the final position.
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Los medios de valvula de suministro comprenden una valvula de suministro 60, aplicada a la admision del conducto de dispensacion 14, que esta en la abertura de entrada 14a.The supply valve means comprise a supply valve 60, applied to the intake of the dispensing conduit 14, which is in the inlet opening 14a.
La valvula de suministro 60 comprende una membrana 62 que supera la abertura de entrada 14a, que tiene un lado delantero 64, orientado al conducto de dispensacion 14, y un lado trasero 66. Preferentemente la membrana 62 tiene simetria axial con un eje de valvula Y, por ejemplo coincidente con el eje de dispensacion Z.The supply valve 60 comprises a membrane 62 that exceeds the inlet opening 14a, which has a front side 64, oriented to the dispensing conduit 14, and a rear side 66. Preferably the membrane 62 has axial symmetry with a valve axis Y , for example coincident with the dispensing axis Z.
En la configuracion de reposo, la membrana 62, y en particular el lado delantero 64, tiene una forma convexa hacia el conducto de dispensacion 14.In the resting configuration, the membrane 62, and in particular the front side 64, has a convex shape towards the dispensing conduit 14.
Segun una realizacion, la membrana 62, y en particular el lado delantero 54, tiene forma hemisferica.According to one embodiment, the membrane 62, and in particular the front side 54, is hemispherical in shape.
La valvula 60 comprende ademas, segun una realizacion, un labio anular continuo 68, que se proyecta axialmente desde el lado delantero 66 de la membrana 62.The valve 60 further comprises, according to one embodiment, a continuous annular lip 68, which projects axially from the front side 66 of the membrane 62.
En la configuracion de reposo, el labio anular 68 rodea la abertura de entrada 14a; por ejemplo, esta colocado como para adosarse al escalon anular 14c, preferentemente colocandose radialmente fuera de el.In the resting configuration, the annular lip 68 surrounds the inlet opening 14a; for example, it is positioned to be attached to the annular step 14c, preferably being placed radially out of it.
Preferentemente ademas, la valvula 60 comprende un vastago 70, que se proyecta desde el lado trasero 66 de la membrana 62, preferentemente a lo largo del eje de valvula Y.Preferably also, the valve 60 comprises a rod 70, which projects from the rear side 66 of the membrane 62, preferably along the axis of valve Y.
Segun una realizacion, en el extremo libre o extremo distal de la membrana 62, el vastago 60 tiene un engrosamiento exterior que preferentemente es en disminucion hacia la membrana 62, mientras en el lado opuesto esta conectado a un tiro anular 74.According to one embodiment, at the free or distal end of the membrane 62, the rod 60 has an outer thickening that is preferably decreasing towards the membrane 62, while on the opposite side it is connected to an annular draft 74.
Segun una realizacion adicional, el vastago 70 comprende un realce radial 70a hacia fuera, por ejemplo anular y continuo.According to a further embodiment, the rod 70 comprises a radial enhancement 70a outward, for example annular and continuous.
Preferentemente el vastago 70 es enteramente hueco axialmente, preferentemente provisto de una cavidad ciega hacia el extremo libre del vastago o hacia la membrana 62.Preferably the rod 70 is entirely axially hollow, preferably provided with a blind cavity towards the free end of the rod or towards the membrane 62.
Preferentemente ademas, la membrana 62 comprende una parte de union 78 en la zona periferica exterior, que define radialmente la membrana 62 externamente y esta definida por ejemplo entre dos superficies laterales ortogonales al eje de valvula Y.Preferably also, the membrane 62 comprises a joint portion 78 in the outer peripheral zone, which radially defines the membrane 62 externally and is defined, for example, between two lateral surfaces orthogonal to the valve axis Y.
Segun una realizacion adicional, la parte de union 78 comprende un manguito anular 78a que se aplica a la pared de union 17, rodeandola externamente.According to a further embodiment, the joint portion 78 comprises an annular sleeve 78a that is applied to the joint wall 17, surrounding it externally.
La membrana esta hecha de un material de membrana relativamente flexible.The membrane is made of a relatively flexible membrane material.
El dispositivo de dispensacion 1 comprende ademas un elemento de bloqueo 80, hecho de un material mas rigido que el material flexible de la valvula de suministro 60, adecuado para bloquear la valvula de suministro 60 en el bastidor 3.The dispensing device 1 further comprises a blocking element 80, made of a stiffer material than the flexible material of the supply valve 60, suitable for blocking the supply valve 60 in the frame 3.
El elemento de bloqueo 80 comprende un cuerpo 82, comprendiendo preferentemente una pluralidad de nervaduras de refuerzo distanciadas angularmente 82a, y provistas de un orificio de bloqueo 84, de manera preferente axialmente a traves, en eje con el eje de valvula Y de la valvula de suministro 60.The locking element 80 comprises a body 82, preferably comprising a plurality of angularly spaced reinforcement ribs 82a, and provided with a locking hole 84, preferably axially through, in axis with the valve axis Y of the valve supply 60.
Preferentemente el cuerpo 82 comprende un saliente de bloqueo 86, que se proyecta radialmente adentro del orificio 84, equipado con una superficie de tiro orientada hacia el conducto de dispensacion 14.Preferably the body 82 comprises a locking projection 86, which projects radially inside the hole 84, equipped with a draft surface oriented towards the dispensing conduit 14.
El cuerpo 82 es adecuado para un acoplamiento por accionamiento rapido a la valvula de suministro 60, por medio del vastago 70 que se puede bloquear por accionamiento rapido al saliente 86.The body 82 is suitable for quick-acting coupling to the supply valve 60, by means of the rod 70 which can be locked by rapid actuation to the projection 86.
Ademas, el elemento de bloqueo 80 comprende una pared de bloqueo anular 88, colocada de manera periferica externamente al cuerpo 82, que tiene una extension axial.In addition, the locking element 80 comprises an annular locking wall 88, peripherally positioned externally to the body 82, which has an axial extension.
La pared de bloqueo 88 comprende un rebaje anular 90, preferentemente equipado con una superficie de tiro, aplicada a presion al realce anular 17a del bastidor 3.The blocking wall 88 comprises an annular recess 90, preferably equipped with a pulling surface, applied under pressure to the annular enhancement 17a of the frame 3.
De esta manera la parte de union 78 de la membrana 62 permanece comprimida entre el cuerpo 82 del elemento de bloqueo 80 y la pared de union 17 del bastidor 3.In this way the joint portion 78 of the membrane 62 remains compressed between the body 82 of the locking element 80 and the joint wall 17 of the frame 3.
La membrana 62 tiene una dimension radial exterior menor que la dimension radial interior de la pared de bloqueo 88, para impedir la interferencia estructural perjudicial para el rapido ensamblaje de los componentes. En otrasThe membrane 62 has an outer radial dimension smaller than the inner radial dimension of the blocking wall 88, to prevent structural interference detrimental to the rapid assembly of the components. In others
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palabras, la membrana esta distanciada radial y perifericamente de la pared de bloqueo 88.words, the membrane is radially and peripherally distanced from the blocking wall 88.
Ademas, segun una realizacion, la pared de bloqueo 80 comprende un collarin de tope 89, por ejemplo continuo y anular, que se proyecta axialmente desde el cuerpo 82, en eje con el orificio 84.Furthermore, according to one embodiment, the locking wall 80 comprises a stop collar 89, for example continuous and annular, projecting axially from the body 82, in axis with the hole 84.
Segun una realizacion preferida, ademas, el dispositivo 1 comprende una cubierta 90 soportada por el bastidor 3, para cubrir dicho bastidor y los componentes interiores. El gatillo 12 y preferentemente la boquilla 20 sobresalen de la cubierta 90.According to a preferred embodiment, in addition, the device 1 comprises a cover 90 supported by the frame 3, to cover said frame and the interior components. The trigger 12 and preferably the nozzle 20 protrude from the cover 90.
Segun una realizacion preferida, la valvula de aspiracion y/o la valvula de suministro estan hechas por moldeo, por ejemplo en una pieza, por ejemplo de polietileno de baja densidad (PELD) o de material plastico, inyectados y expandidos, rejilla de celda cerrada, tal como etilenvinilactetato (EVA) o polioxietileno (POE).According to a preferred embodiment, the suction valve and / or the supply valve are made by molding, for example in one piece, for example of low density polyethylene (PELD) or plastic material, injected and expanded, closed cell grid , such as ethylene vinyl acetate (EVA) or polyoxyethylene (POE).
Preferentemente ademas, el elemento de bloqueo es moldeado, por ejemplo, en una sola pieza, de un material mas rigido que el material de membrana, por ejemplo de polipropileno (PP).Preferably also, the blocking element is molded, for example, in a single piece, of a more rigid material than the membrane material, for example polypropylene (PP).
Preferentemente ademas, el elemento de bastidor 3 es moldeado, por ejemplo, en una sola pieza, de un material mas rigido que el material de membrana, por ejemplo de polipropileno (PP).Preferably also, the frame element 3 is molded, for example, in a single piece, of a more rigid material than the membrane material, for example of polypropylene (PP).
Durante el uso normal del dispositivo 1, esta conectado mecanicamente al recipiente y el tubo esta conectado usualmente al conducto de aspiracion 6, para aspirar el liquido contenido en el recipiente.During normal use of the device 1, it is mechanically connected to the container and the tube is usually connected to the suction duct 6, to aspirate the liquid contained in the container.
En una configuracion inicial, supongase que la camara de bombeo 4 ya contiene el liquido aspirado y que el piston esta en la posicion de reposo inicial.In an initial configuration, suppose that the pumping chamber 4 already contains the aspirated liquid and that the piston is in the initial rest position.
Al accionar el gatillo 12, el piston 8 se mueve desde la posicion inicial hacia la posicion final empujando el liquido contenido en la camara de bombeo 4, completando una fase de dispensacion del dispositivo.When the trigger 12 is actuated, the piston 8 moves from the initial position to the final position by pushing the liquid contained in the pumping chamber 4, completing a dispensing phase of the device.
Durante la fase de dispensacion, el liquido actua en la valvula de aspiracion 30, para crear un sello contra el retorno del liquido desde de camara 4 hacia el recipiente.During the dispensing phase, the liquid acts on the suction valve 30, to create a seal against the return of the liquid from chamber 4 to the container.
Ademas, durante la fase de dispensacion, el liquido actua en la valvula de suministro para distanciar la membrana 62 de la boca de aspiracion 14a; en particular el liquido deforma la membrana 62 de modo que el labio anular 68 se separa del escalon anular 14c.Also, during the dispensing phase, the liquid acts on the supply valve to distance the membrane 62 from the suction mouth 14a; in particular, the liquid deforms the membrane 62 so that the annular lip 68 is separated from the annular step 14c.
En particular, el liquido se introduce por si mismo entre la membrana 62 y la superficie de corona 18, externamente al labio anular 68, provocando la desunion de dicho labio del escalon 14c y de ese modo la entrada del liquido presurizado al conducto de dispensacion 14.In particular, the liquid enters itself between the membrane 62 and the crown surface 18, externally to the annular lip 68, causing the lip of the stage 14c to disengage and thereby the entrance of the pressurized liquid into the dispensing conduit 14 .
Durante la deformacion de la membrana el vastago 70 realiza un cambio dentro del orificio 74, guiado por el saliente 86.During the deformation of the membrane the rod 70 makes a change inside the hole 74, guided by the projection 86.
Ventajosamente, esto permite una deformacion cuidadosamente guiada y calibrada de la membrana, impidiendo deformaciones anomalas.Advantageously, this allows a carefully guided and calibrated deformation of the membrane, preventing anomalous deformations.
El movimiento hacia atras de la membrana 62 esta limitado por el collarin de tope 89, al que se adosa durante la fase de dispensacion.The backward movement of the membrane 62 is limited by the stop collar 89, to which it is attached during the dispensing phase.
Durante la fase de dispensacion, el elemento elastico se deforma elasticamente.During the dispensing phase, the elastic element deforms elastically.
Al final de la dispensacion el piston esta en la posicion final y el gatillo es liberado. Los medios de retorno actuan en el gatillo para llevarlo de nuevo hacia atras, arrastrando al mismo tiempo el piston desde la posicion final hacia la posicion inicial, realizando una fase de retorno del uso del dispositivo.At the end of the dispensing the piston is in the final position and the trigger is released. The return means act on the trigger to bring it back, while dragging the piston from the final position to the initial position, performing a return phase of the use of the device.
Durante la fase de retorno, se crea una depresion en la camara de bombeo 4 por medio del deslizamiento de manera estanca del piston 8.During the return phase, a depression is created in the pumping chamber 4 by means of the tightly sliding of the piston 8.
Durante la fase de retorno, la valvula de aspiracion 30 hace posible aspirar liquido del recipiente a la camara de bombeo 4.During the return phase, the suction valve 30 makes it possible to aspirate liquid from the container to the pumping chamber 4.
En la fase de retorno ademas la membrana 62 de la valvula de dispensacion 60 permanece en contacto con el escalon 14c o con el bisel 14d del bastidor 3.In the return phase, in addition, the membrane 62 of the dispensing valve 60 remains in contact with the step 14c or with the bezel 14d of the frame 3.
Innovadoramente, el dispositivo de dispensacion segun la invencion se comporta de una manera optima cuando dispensa, gracias al sello optimo entre la valvula y el bastidor.Innovatively, the dispensing device according to the invention behaves in an optimal manner when dispensing, thanks to the optimal seal between the valve and the frame.
Ventajosamente, ademas, el dispositivo es muy simple de ensamblar y por lo tanto hace posible reducir el tiempo en maquina y por lo tanto aumentar la produccion.Advantageously, in addition, the device is very simple to assemble and therefore makes it possible to reduce machine time and therefore increase production.
En particular, muchos componentes son coaxiales, permitiendo un ensamblaje muy rapido; ademas muchos 5 componentes tienen simetria axial, impidiendo de ese modo problemas de orientacion para el ensamblaje.In particular, many components are coaxial, allowing very fast assembly; In addition, many 5 components have axial symmetry, thus preventing orientation problems for the assembly.
Segun un aspecto ventajoso adicional, los componentes a menudo estan conectados por accionamiento rapido, llevando a un ensamblaje de alta velocidad y fiable.According to an additional advantageous aspect, the components are often connected by rapid drive, leading to a high-speed and reliable assembly.
10 Esta claro que una persona experta en la tecnica puede realizar modificaciones en el dispositivo descrito anteriormente para satisfacer requisitos contingentes.10 It is clear that a person skilled in the art can make modifications to the device described above to satisfy contingent requirements.
Por ejemplo, segun una realizacion, el eje de piston y el eje de dispensacion estan separados e relacionados.For example, according to one embodiment, the piston shaft and the dispensing shaft are separated and related.
15 Dichas variaciones tambien estan incluidas dentro del area de proteccion tal como se define mediante las siguientes reivindicaciones.Said variations are also included within the protection area as defined by the following claims.
Claims (14)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBS20110013 | 2011-02-16 | ||
| ITBS2011A000013A IT1403860B1 (en) | 2011-02-16 | 2011-02-16 | TRIGGER SUPPLY DEVICE WITH DELIVERY VALVE |
| IT000126A ITBS20110126A1 (en) | 2011-09-21 | 2011-09-21 | TRIGGER SUPPLY DEVICE WITH DELIVERY VALVE |
| ITBS20110126 | 2011-09-21 | ||
| PCT/IB2011/055893 WO2012110861A1 (en) | 2011-02-16 | 2011-12-22 | Trigger dispensing device with a supply valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2557133T3 true ES2557133T3 (en) | 2016-01-22 |
Family
ID=45531900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES11813567.2T Active ES2557133T3 (en) | 2011-02-16 | 2011-12-22 | Trigger dispensing device with a supply valve |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2648853B1 (en) |
| ES (1) | ES2557133T3 (en) |
| WO (1) | WO2012110861A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619488B (en) * | 2011-04-13 | 2017-09-08 | 米德韦斯特瓦科卡尔玛公司 | improved trigger sprayer valve |
| ITBS20130114A1 (en) | 2013-07-31 | 2015-02-01 | Guala Dispensing Spa | TRIGGER SUPPLY DEVICE |
| CN105642470A (en) * | 2015-12-25 | 2016-06-08 | 中山市美捷时包装制品有限公司 | Gun pump capable of being used at multiple angles |
| IT202200016053A1 (en) * | 2022-07-28 | 2024-01-28 | Guala Dispensing Spa | TRIGGER DISPENSING HEAD |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05104040A (en) * | 1991-05-22 | 1993-04-27 | Jun Yanagida | Sprayer |
| US5467900A (en) * | 1994-03-16 | 1995-11-21 | Afa Products, Inc. | Precompression valve for trigger sprayer |
| NL1011964C2 (en) * | 1998-12-10 | 2000-11-09 | Afa Polytek Bv | Precompression system for spray dispenser has precompression valve biased to closing position by spring, with space connected to pump and conduit connected to discharge nozzle |
| IT1397485B1 (en) | 2010-01-15 | 2013-01-16 | Guala Dispensing Spa | DISTRIBUTION DEVICE FOR A LIQUID WITH MULTIFUNCTIONAL NOZZLE |
-
2011
- 2011-12-22 ES ES11813567.2T patent/ES2557133T3/en active Active
- 2011-12-22 EP EP11813567.2A patent/EP2648853B1/en active Active
- 2011-12-22 WO PCT/IB2011/055893 patent/WO2012110861A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| EP2648853B1 (en) | 2015-09-23 |
| EP2648853A1 (en) | 2013-10-16 |
| WO2012110861A1 (en) | 2012-08-23 |
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