EP0602389A1 - Liquid spraying or foam delivering apparatus - Google Patents

Liquid spraying or foam delivering apparatus Download PDF

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Publication number
EP0602389A1
EP0602389A1 EP93118244A EP93118244A EP0602389A1 EP 0602389 A1 EP0602389 A1 EP 0602389A1 EP 93118244 A EP93118244 A EP 93118244A EP 93118244 A EP93118244 A EP 93118244A EP 0602389 A1 EP0602389 A1 EP 0602389A1
Authority
EP
European Patent Office
Prior art keywords
compressed air
filling
valve
air
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP93118244A
Other languages
German (de)
French (fr)
Inventor
Bodo Hildebrandt
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.)
Procter and Gamble Deutschland GmbH
Original Assignee
Wella GmbH
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 Wella GmbH filed Critical Wella GmbH
Publication of EP0602389A1 publication Critical patent/EP0602389A1/en
Withdrawn legal-status Critical Current

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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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0811—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress 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
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0811—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container
    • B05B9/0816—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump
    • B05B9/0822—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump a discharge device being fixed to the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/42—Filling or charging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/42—Filling or charging means
    • B65D83/425—Delivery valves permitting filling or charging

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Such devices are known for example from EP-A-0 037 035 and EP-A-0 442 058.
  • An air pump that is manually operated and integrated with the device serves to generate the air pressure necessary for spraying or foaming a liquid.
  • Such a device is suitable for a user (end user) who only uses the device two to three times a day, it is not suitable for professional use - such as, for example, in a hairdressing salon - since this would result in frequent use of the device. which would require frequent manual pumping.
  • the task is therefore to create a generic device that is optionally also suitable for professional use.
  • liquid spray or foam dispensing device available, which can be used either for hand pump operation or with an air pressure filling device, one for professional application (hairdressing area) the compressed air is generated with the air pressure filling device.
  • the device can advantageously be provided without modification exclusively for end users (hand pump operation) or exclusively for professional use with an air pressure filling device.
  • the end user can later purchase an air pressure filling device, which makes it easier to use.
  • a major advantage is the fact that the professional use (hairdresser) of the device does not prevent it from being used even when, surprisingly, compressed air is no longer available and the air pressure filling device is far away by reloading the compressed air with the hand pump . So practically uninterrupted use can take place. This is particularly important if the sprayed liquid dries quickly (hair lacquer, color, etc.).
  • the non-detachable handle 2 has the advantage - in contrast to the detachable handle according to DE-PS 27 21 128 - that it cannot be lost, especially in professional use, in order to also help the device 1, 1A with the handle 2 in place To be able to pump 1B.
  • a liquid spray or foam dispensing device 1 which with a metering valve 6 and an air pump 3 to be actuated via a non-detachable handle 2 for loading a liquid storage chamber 4 with compressed air 5 for dispensing an air and liquid mixture in the form of a spray jet or is provided with foam.
  • the air pump 3 consists of a hollow cylinder 7 which is open at its lower end and closed at its upper end, the upper end being provided with radial openings 8 which are closed on the outside of the hollow cylinder 7 with a valve hose 9. These openings 8 and the valve hose 9 form a one-way valve 10 acting between the air pump 3 and the chamber 4 in the direction of the chamber 4.
  • the air pump 3 is provided with a piston valve 11, which is connected to the handle 2.
  • a pressure piston 12 is arranged, which displaces the air inside the hollow cylinder 7 through the openings 8 of the one-way valve 10.
  • the pressure piston 12 has a central opening 13, which is provided with a valve disk 14 fastened on one side and which together serve as a pressure compensation valve 15.
  • the lower end of the spool 11 is provided with an opening 16 which serves for air pressure compensation when the air pump 3 is actuated by means of the handle 2.
  • the metering valve 6 is connected to a riser pipe 18.
  • the device 1 can optionally be refilled by means of an upper screw cap 19 or a bottom screw cap 20.
  • the piston slide 11 is provided with radially arranged guide ribs 21.
  • the handle 2 is moved axially back and forth several times, as a result of which compressed air 5 reaches the chamber 4 via the one-way valve 10.
  • compressed air 5 reaches the chamber 4 via the one-way valve 10.
  • air flows through the openings 16, 13 via the pressure compensation valve 15 into the upper cavity of the hollow cylinder 7.
  • the pressure compensation valve 15 closes, as a result of which the air in the cavity of the hollow cylinder 7 is compressed and flows into the chamber 4 via the one-way valve 10 and (after repeated pumping) is available as compressed air 5.
  • the compressed air filling device 22 consists of a receiving seat 23 for receiving the device 1, an air pump 25 driven by a motor 24, which can optionally be provided with a compressed air reservoir.
  • the receiving seat 23 is provided with a spring-loaded base 26 which has an axially central passage opening 27 in order to connect a stationary compressed air connection part 28 to the opening 16 of the device in a compressed air-tight manner when the device 1 is depressed.
  • the compressed air connection part 28 is preferably made of a flexible material in order to achieve a compressed air-tight connection with the opening 16.
  • the compressed air connection part 28 is preferably designed as a sealing ring 32 at the upper end.
  • the sealing ring 32 By manually pressing the device 1 onto the receiving seat 23, after a short distance, the sealing ring 32 will enclose the opening 16 in a compressed air-tight manner and a switch 29 through the Floor 26 actuated, whereby the drive motor 24 drives the air pump 25 and thereby pumps a compressed air 5 via a hose section 30 through a compressed air channel 31 through the opening 16 of the device 1 and further takes the path via the pressure compensation valve 15 and the one-way valve 10 to the chamber 4.
  • the switch 29 is triggered by a plunger 33, the switch 29 preferably being provided as a so-called microswitch.
  • An external power supply which is connected to the device 1 by a cable 34, is used to supply power to the drive motor 24.
  • the compressed air filling device 22 to be provided as a wireless unit, in which case the power supply for the drive motor 24 is arranged inside the compressed air filling device 22 and can be recharged from the outside or operated with exchangeable batteries.
  • FIG 3 shows a metering valve 6A, as is known from DE-C-27 21 128, FIGS. 2 to 4.
  • This valve 6A serves on the one hand for spraying a liquid 4A from the device 1A, on the other hand for external filling with compressed air 5 through an outlet opening 38 of a valve head 39, a channel 40, a valve tappet channel 41, via a valve plate 42 and then finally through the riser pipe 18 in the chamber 4.
  • a valve (not shown) can also be provided which has a separate air and liquid supply up to a mixing chamber of a valve head and is optionally provided with a foam generating device. All that is required is a device for filling with compressed air.
  • FIG. 4 A corresponding compressed air filling device 22A for filling compressed air 5 of a device 1A via the metering valve 6A shown in FIG. 3 is shown in FIG. 4.
  • the device 22A essentially consists of an air pump 25, which is driven by a motor 24 and a lever arm 36, which is connected to the air pump 25 by a compressed air connection hose 43.
  • the compressed air connection part 28A is provided with a sealing ring 44 as a compressed air seal between the lever arm 22A and the device 1A.
  • the lever arm 36 is connected at one end to a joint 45 and provided with a tension spring 46, which normally holds the lever arm 36 in the position indicated by the broken line.
  • the device 1A For filling with compressed air 5, the device 1A is placed in a receiving seat 23A and the lever arm 36 is brought manually from the position indicated by the broken line to the position shown against the spring force, a switch 29 being actuated and driving the motor 24 or the air pump 25 and The device 1A is pressurized with compressed air 5 via the hose 43, compressed air connection part 28A and valve 6A. Thereafter, the lever 36 is released, whereby it returns to the position indicated by dashed lines. Then the device 1A is removed for further use.
  • FIG. 5 shows a further compressed air filling device 22B, similar to FIG. 4, wherein the device 1B is provided with a lateral compressed air filling valve 35 for filling with compressed air 5.
  • a plate or hose valve is provided here as valve 35.
  • the compressed air connection part 28B is brought into contact with the valve 35 by the pressure lever 47 of the depressed lever arm 37.
  • a lever 29 is actuated by the lever 37, which - as described above - activates the air pump 25.
  • a dashed switch 29A can be provided so that the air pump 25 is only activated when a device 1B is in the seat 23A of the device 22B, which can be achieved by connecting the two switches 29, 29A in series.
  • the lever arm 37 and the pressure lever 47 can be used with the Contact surfaces to the device 1B can be provided with a corresponding coating 48.
  • the device 1, 1A, 1B or / and the compressed air filling device 22, 22A, 22B can be provided with an overpressure prevention device, not shown.
  • liquid spray or foam dispenser 1, 1A, 1B is essentially made of plastic.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Liquid-spraying or foam-delivering apparatus (1), having a metering valve and an air pump (3), to be actuated by means of an undetachable handle (2), for filling a liquid supply chamber (4) with compressed air (5), there being arranged between the air pump (3) and the supply chamber (4) a one-way valve (10), acting in the direction of the chamber (4). The air pump (3) has a pressure-equalising valve (15), which communicates with the outside atmosphere, it being provided according to the invention that, for filling with compressed air (5), the pressure-equaliser valve (15) is designed such that it can be optionally connected to a compressed-air filling device (22) (Fig. 2). In a second version of the apparatus (1A), it is provided that the metering valve (6) is designed such that it can be optionally connected to a compressed-air filling device (22A). In a third version of the apparatus (1B), it is provided that the chamber (4) is provided on the outside with a compressed-air filling valve (35) which is designed such that it can be optionally connected to a compressed-air filling device (22B). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung nach der Gattung des Oberbegriffs des Anspruchs 1.The invention relates to a device according to the preamble of claim 1.

Derartige Vorrichtungen sind beispielsweise aus EP-A-0 037 035 und EP-A-0 442 058 bekannt. So dient eine mit der Vorrichtung integrierte, manuell zu betätigende Luftpumpe dazu, einen zum Versprühen oder Verschäumen einer Flüssigkeit notwendigen Luftdruck zu erzeugen. Eine solche Vorrichtung ist zwar für einen Benutzer (Endverbraucher), der die Vorrichtung nur zwei- bis dreimal pro Tag benutzt, geeignet, nicht jedoch für einen professionellen Gebrauch - wie beispielsweise in einem Friseursalon -, da hier ein oftmaliger Gebrauch der Vorrichtung anfallen würde, womit ein oftmaliges manuelles Nachpumpen notwendig wäre.Such devices are known for example from EP-A-0 037 035 and EP-A-0 442 058. An air pump that is manually operated and integrated with the device serves to generate the air pressure necessary for spraying or foaming a liquid. Although such a device is suitable for a user (end user) who only uses the device two to three times a day, it is not suitable for professional use - such as, for example, in a hairdressing salon - since this would result in frequent use of the device. which would require frequent manual pumping.

Demgegenüber liegt daher die Aufgabe zugrunde, eine gattungsgleiche Vorrichtung zu schaffen, die wahlweise auch für einen professionellen Gebrauch geeignet ist.In contrast, the task is therefore to create a generic device that is optionally also suitable for professional use.

Diese Aufgabe ist gelöst nach dem kennzeichnenden Teil des Anspruchs 1 oder 2 oder 3. Weitere vorteilhafte Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor.This object is achieved according to the characterizing part of claim 1 or 2 or 3. Further advantageous developments of the invention emerge from the subclaims.

Durch die Erfindung ist es nunmehr durch einfache konstruktive Maßnahmen möglich, eine Flüssigkeitssprüh- oder Schaumabgabevorrichtung zu Verfügung zu haben, die wahlweise für Handpumpenbetrieb oder mit einem Luftdruckfüllgerät verwendet werden kann, wobei für eine professionelle Anwendung (Friseurbereich) die Druckluft mit dem Luftdruckfüllgerät erzeugt wird.Through the invention it is now possible through simple structural measures to have a liquid spray or foam dispensing device available, which can be used either for hand pump operation or with an air pressure filling device, one for professional application (hairdressing area) the compressed air is generated with the air pressure filling device.

So kann vorteilhafterweise die Vorrichtung ohne Änderung ausschließlich für Endverbraucher (Handpumpenbetrieb) oder ausschließlich für einen professionellen Gebrauch mit einem Luftdruckfüllgerät vorgesehen werden. Außerdem kann der Endverbraucher sich später auch ein Luftdruckfüllgerät anschaffen, was die Benutzung erleichtert. Auch ist ein wesentlicher Vorteil darin zu sehen, daß beim professionellen Gebrauch (Friseur) der Vorrichtung diese auch dann nicht ihre Benutzung versagt, wenn überraschenderweise keine Druckluft mehr zur Verfügung steht und das Luftdruckfüllgerät weit entfernt ist, indem nunmehr mit der Handpumpe die Druckluft nachgeladen wird. So kann praktisch eine ununterbrochene Benutzung erfolgen. Dies ist besonders dann wichtig, wenn die versprühte Flüssigkeit schnell trocknet (Haarlack, Farbe usw.).Thus, the device can advantageously be provided without modification exclusively for end users (hand pump operation) or exclusively for professional use with an air pressure filling device. In addition, the end user can later purchase an air pressure filling device, which makes it easier to use. A major advantage is the fact that the professional use (hairdresser) of the device does not prevent it from being used even when, surprisingly, compressed air is no longer available and the air pressure filling device is far away by reloading the compressed air with the hand pump . So practically uninterrupted use can take place. This is particularly important if the sprayed liquid dries quickly (hair lacquer, color, etc.).

Die unlösbare Handhabe 2 hat den Vorteil - im Gegensatz zu der lösbaren Handhabe nach DE-PS 27 21 128 -, daß sie insbesondere bei professioneller Verwendung nicht verloren gehen kann, um auch hilfsweise mit der Handhabe 2 an Ort und Stelle die Vorrichtung 1, 1A, 1B nachpumpen zu können.The non-detachable handle 2 has the advantage - in contrast to the detachable handle according to DE-PS 27 21 128 - that it cannot be lost, especially in professional use, in order to also help the device 1, 1A with the handle 2 in place To be able to pump 1B.

Die Erfindung wird anhand von drei Ausführungsbeispielen näher beschrieben.The invention is described in more detail using three exemplary embodiments.

Es zeigt:

Fig. 1
einen Axialschnitt durch eine erste Vorrichtung;
Fig. 2
einen Schnitt durch ein erstes Druckluftfüllgerät mit einer aufgesetzten ersten Vorrichtung;
Fig. 3
einen Axialschnitt durch ein Dosierventil in einem Ausschnitt;
Fig. 4
einen Schnitt durch ein zweites Druckluftfüllgerät mit einer eingesetzten zweiten Vorrichtung;
Fig. 5
einen Schnitt durch ein drittes Druckluftfüllgerät mit einer eingesetzten dritten Vorrichtung.
It shows:
Fig. 1
an axial section through a first device;
Fig. 2
a section through a first compressed air filling device with an attached first device;
Fig. 3
an axial section through a metering valve in a cutout;
Fig. 4
a section through a second compressed air filling device with an inserted second device;
Fig. 5
a section through a third compressed air filling device with an inserted third device.

In der Fig. 1 ist eine Flüssigkeitssprüh- oder Schaumabgabevorrichtung 1 dargestellt, die mit einem Dosierventil 6 und einer über eine unlösbare Handhabe 2 zu betätigenden Luftpumpe 3 zum Beaufschlagen einer Flüssigkeitsvorratskammer 4 mit Druckluft 5 zum Abgeben eines Luft- und Flüssigkeitsgemisches in Form eines Sprühstrahls oder von Schaum versehen ist. Die Luftpumpe 3 besteht aus einem Hohlzylinder 7, der an seinem unteren Ende offen und an seinem oberen Ende verschlossen ist, wobei das obere Ende mit radialen Öffnungen 8 versehen ist, die außenseitig des Hohlzylinders 7 mit einem Ventilschlauch 9 verschlossen sind. Diese Öffnungen 8 und der Ventilschlauch 9 bilden ein zwischen der Luftpumpe 3 und der Kammer 4 in Richtung der Kammer 4 wirkendes Einwegventil 10. Weiter ist die Luftpumpe 3 mit einem Kolbenschieber 11 versehen, der mit der Handhabe 2 verbunden ist. Am oberen Ende des Kolbenschiebers 11 ist ein Druckkolben 12 angeordnet, der die innerhalb des Hohlzylinders 7 befindliche Luft über die Öffnungen 8 des Einwegventils 10 verdrängt. Der Druckkolben 12 weist eine mittige Öffnung 13 auf, die mit einer einseitig befestigten Ventilscheibe 14 versehen ist und die gemeinsam als ein Druckausgleichsventil 15 dienen. Das untere Ende des Kolbenschiebers 11 ist mit einer Öffnung 16 versehen, die zum Luftdruckausgleich dient, wenn mittels der Handhabe 2 die Luftpumpe 3 betätigt wird. Für den Transport der Flüssigkeit 4A über einen Ventilkopf 17 ist das Dosierventil 6 mit einem Steigrohr 18 verbunden. Zum Nachfüllen einer Flüssigkeit 4A kann die Vorrichtung 1 wahlweise mittels eines oberen Schraubverschlusses 19 oder eines bodenseitigen Schraubverschlusses 20 nachgefüllt werden. Zwecks axialer Führung ist der Kolbenschieber 11 mit radial angeordneten Führungsrippen 21 versehen.In Fig. 1, a liquid spray or foam dispensing device 1 is shown, which with a metering valve 6 and an air pump 3 to be actuated via a non-detachable handle 2 for loading a liquid storage chamber 4 with compressed air 5 for dispensing an air and liquid mixture in the form of a spray jet or is provided with foam. The air pump 3 consists of a hollow cylinder 7 which is open at its lower end and closed at its upper end, the upper end being provided with radial openings 8 which are closed on the outside of the hollow cylinder 7 with a valve hose 9. These openings 8 and the valve hose 9 form a one-way valve 10 acting between the air pump 3 and the chamber 4 in the direction of the chamber 4. Furthermore, the air pump 3 is provided with a piston valve 11, which is connected to the handle 2. At the upper end of the spool 11, a pressure piston 12 is arranged, which displaces the air inside the hollow cylinder 7 through the openings 8 of the one-way valve 10. The pressure piston 12 has a central opening 13, which is provided with a valve disk 14 fastened on one side and which together serve as a pressure compensation valve 15. The lower end of the spool 11 is provided with an opening 16 which serves for air pressure compensation when the air pump 3 is actuated by means of the handle 2. For the transport of the liquid 4A via a valve head 17, the metering valve 6 is connected to a riser pipe 18. To the Refilling a liquid 4A, the device 1 can optionally be refilled by means of an upper screw cap 19 or a bottom screw cap 20. For the purpose of axial guidance, the piston slide 11 is provided with radially arranged guide ribs 21.

Zum Betätigen der Luftpumpe 3 wird die Handhabe 2 mehrmals axial hin und her bewegt, wodurch über das Einwegventil 10 Druckluft 5 in die Kammer 4 gelangt. Während des Hubs nach unten des Druckkolbens 12 fließt zwecks Druckausgleichs (Ansaugen) Luft durch die Öffnungen 16, 13 über das Druckausgleichsventil 15 in den oberen Hohlraum des Hohlzylinders 7. Beim Hub nach oben schließt sich das Druckausgleichsventil 15, wodurch die Luft im Hohlraum des Hohlzylinders 7 komprimiert wird und über das Einwegventil 10 in die Kammer 4 fließt und (nach mehrmaligem Pumpen) als Druckluft 5 zur Verfügung steht.To operate the air pump 3, the handle 2 is moved axially back and forth several times, as a result of which compressed air 5 reaches the chamber 4 via the one-way valve 10. During the downward stroke of the pressure piston 12, for the purpose of pressure compensation (suction), air flows through the openings 16, 13 via the pressure compensation valve 15 into the upper cavity of the hollow cylinder 7. During the upward stroke, the pressure compensation valve 15 closes, as a result of which the air in the cavity of the hollow cylinder 7 is compressed and flows into the chamber 4 via the one-way valve 10 and (after repeated pumping) is available as compressed air 5.

In der Fig. 2 ist ein Druckluftfüllgerät 22 dargestellt, in dem die Vorrichtung 1 steht. Das Druckluftfüllgerät 22 besteht aus einem Aufnahmesitz 23 zum Aufnehmen der Vorrichtung 1, einer von einem Motor 24 angetriebenen Luftpumpe 25, die gegebenenfalls mit einem Druckluftvorratsbehälter versehen werden kann. Der Aufnahmesitz 23 ist mit einem federbelasteten Boden 26 versehen, der eine axial mittige Durchtrittsöffnung 27 aufweist, um beim Niederdrücken der Vorrichtung 1 ein ortsfestes Druckluftanschlußteil 28 mit der Öffnung 16 der Vorrichtung druckluftdicht zu verbinden. Das Druckluftanschlußteil 28 besteht vorzugsweise aus einem weichelastischen Material, um eine druckluftdichte Verbindung mit der Öffnung 16 zu erzielen. Vorzugsweise ist das Druckluftanschlußteil 28 am oberen Ende als ein Dichtring 32 ausgebildet. Durch manuelles Drücken der Vorrichtung 1 auf den Aufnahmesitz 23 wird nach einem kurzen Weg der Dichtring 32 die Öffnung 16 druckluftdicht umschließen und ein Schalter 29 durch den Boden 26 betätigt, wodurch der Antriebsmotor 24 die Luftpumpe 25 antreibt und dadurch eine Druckluft 5 über einen Schlauchabschnitt 30 durch einen Druckluftkanal 31 durch die Öffnung 16 der Vorrichtung 1 pumpt und weiter den Weg über das Druckausgleichsventil 15 und das Einwegventil 10 zur Kammer 4 nimmt. Ausgelöst wird der Schalter 29 durch einen Stößel 33, wobei vorzugsweise der Schalter 29 als ein sogenannter Mikroschalter vorgesehen ist. Zur Stromversorgung des Antriebsmotors 24 dient eine externe Energieversorgung, die mit einem Kabel 34 zur Vorrichtung 1 hin verbunden ist. Es kann aber auch vorgesehen werden, das Druckluftfüllgerät 22 als kabellose Einheit vorzusehen, wobei dann die Stromversorgung für den Antriebsmotor 24 innerhalb des Druckluftfüllgeräts 22 angeordnet ist und von außen her nachgeladen oder mit auswechselbaren Akkumulatoren betrieben werden kann.2 shows a compressed air filling device 22 in which the device 1 is located. The compressed air filling device 22 consists of a receiving seat 23 for receiving the device 1, an air pump 25 driven by a motor 24, which can optionally be provided with a compressed air reservoir. The receiving seat 23 is provided with a spring-loaded base 26 which has an axially central passage opening 27 in order to connect a stationary compressed air connection part 28 to the opening 16 of the device in a compressed air-tight manner when the device 1 is depressed. The compressed air connection part 28 is preferably made of a flexible material in order to achieve a compressed air-tight connection with the opening 16. The compressed air connection part 28 is preferably designed as a sealing ring 32 at the upper end. By manually pressing the device 1 onto the receiving seat 23, after a short distance, the sealing ring 32 will enclose the opening 16 in a compressed air-tight manner and a switch 29 through the Floor 26 actuated, whereby the drive motor 24 drives the air pump 25 and thereby pumps a compressed air 5 via a hose section 30 through a compressed air channel 31 through the opening 16 of the device 1 and further takes the path via the pressure compensation valve 15 and the one-way valve 10 to the chamber 4. The switch 29 is triggered by a plunger 33, the switch 29 preferably being provided as a so-called microswitch. An external power supply, which is connected to the device 1 by a cable 34, is used to supply power to the drive motor 24. However, provision can also be made for the compressed air filling device 22 to be provided as a wireless unit, in which case the power supply for the drive motor 24 is arranged inside the compressed air filling device 22 and can be recharged from the outside or operated with exchangeable batteries.

In der Fig. 3 ist ein Dosierventil 6A dargestellt, wie es aus der DE-C-27 21 128, Fig. 2 bis 4, bekannt ist. Dieses Ventil 6A dient einerseits zum Versprühen einer Flüssigkeit 4A aus der Vorrichtung 1A, andererseits zum externen Befüllen mit Druckluft 5 durch eine Austrittsöffnung 38 eines Ventilkopfes 39, einen Kanal 40, einen Ventilstößelkanal 41, über einen Ventilteller 42 und dann schließlich durch das Steigrohr 18 in die Kammer 4. Es kann aber auch ein nicht dargestelltes Ventil vorgesehen werden, das bis zu einer Mischkammer eines Ventilkopfes eine getrennte Luft- und Flüssigkeitszuführung aufweist und wahlweise mit einer Schaumerzeugungseinrichtung versehen ist. Es muß lediglich eine Einrichtung zum Befüllen mit Druckluft vorgesehen sein.3 shows a metering valve 6A, as is known from DE-C-27 21 128, FIGS. 2 to 4. This valve 6A serves on the one hand for spraying a liquid 4A from the device 1A, on the other hand for external filling with compressed air 5 through an outlet opening 38 of a valve head 39, a channel 40, a valve tappet channel 41, via a valve plate 42 and then finally through the riser pipe 18 in the chamber 4. However, a valve (not shown) can also be provided which has a separate air and liquid supply up to a mixing chamber of a valve head and is optionally provided with a foam generating device. All that is required is a device for filling with compressed air.

Ein entsprechendes Druckluftfüllgerät 22A zum Befüllen von Druckluft 5 einer Vorrichtung 1A über das in der Fig. 3 dargestellte Dosierventil 6A ist in der Fig. 4 dargestellt. Das Gerät 22A besteht im wesentlichen aus einer Luftpumpe 25, die von einem Motor 24 angetrieben ist und aus einem Hebelarm 36, der mit einem Druckluftverbindungsschlauch 43 mit der Luftpumpe 25 verbunden ist. Als Druckluftdichtung zwischen dem Hebelarm 22A und der Vorrichtung 1A ist das Druckluftanschlußteil 28A mit einem Dichtring 44 versehen. Der Hebelarm 36 ist an einem Ende mit einem Gelenk 45 verbunden und mit einer Zugfeder 46 versehen, die den Hebelarm 36 normalerweise in der gestrichelt angedeuteten Position hält. Zum Befüllen mit Druckluft 5 wird die Vorrichtung 1A in einen Aufnahmesitz 23A gestellt und der Hebelarm 36 von der gestrichelt angedeuteten Position manuell in die entgegen der Federkraft dargestellte Position gebracht, wobei ein Schalter 29 betätigt wird und den Motor 24 bzw. die Luftpumpe 25 antreibt und über den Schlauch 43, Druckluftanschlußteil 28A und Ventil 6A die Vorrichtung 1A mit Druckluft 5 beaufschlagt. Danach wird der Hebel 36 losgelassen, wodurch er in die gestrichelt angedeutete Position zurückkehrt. Dann wird die Vorrichtung 1A zur weiteren Benutzung entnommen.A corresponding compressed air filling device 22A for filling compressed air 5 of a device 1A via the metering valve 6A shown in FIG. 3 is shown in FIG. 4. The device 22A essentially consists of an air pump 25, which is driven by a motor 24 and a lever arm 36, which is connected to the air pump 25 by a compressed air connection hose 43. The compressed air connection part 28A is provided with a sealing ring 44 as a compressed air seal between the lever arm 22A and the device 1A. The lever arm 36 is connected at one end to a joint 45 and provided with a tension spring 46, which normally holds the lever arm 36 in the position indicated by the broken line. For filling with compressed air 5, the device 1A is placed in a receiving seat 23A and the lever arm 36 is brought manually from the position indicated by the broken line to the position shown against the spring force, a switch 29 being actuated and driving the motor 24 or the air pump 25 and The device 1A is pressurized with compressed air 5 via the hose 43, compressed air connection part 28A and valve 6A. Thereafter, the lever 36 is released, whereby it returns to the position indicated by dashed lines. Then the device 1A is removed for further use.

In der Fig. 5 ist ein - ähnlich der Fig. 4 - weiteres Druckluftbefüllungsgerät 22B dargestellt, wobei zum Befüllen mit Druckluft 5 die Vorrichtung 1B mit einem seitlichen Druckluftfüllventil 35 versehen ist. Als Ventil 35 ist hier ein Platten- oder Schlauchventil vorgesehen. Zum Befüllen mit Druckluft 5 wird das Druckluftanschlußteil 28B mit dem Ventil 35 in Kontakt durch den Andrückhebel 47 des niedergedrückten Hebelarms 37 gebracht. Dabei wird vom Hebel 37 ein Schalter 29 betätigt, der - wie oben beschrieben - die Luftpumpe 25 aktiviert. Ein gestrichelt angedeuteter Schalter 29A kann dazu vorgesehen werden, daß die Luftpumpe 25 nur dann aktiviert wird, wenn eine Vorrichtung 1B im Sitz 23A des Geräts 22B steht, was durch eine Reihenschaltung der beiden Schalter 29, 29A verwirklicht werden kann. Als Schutz gegen Berührungsspuren kann der Hebelarm 37 und der Andrückhebel 47 mit den Kontaktflachen zur Vorrichtung 1B mit einer entsprechenden Beschichtung 48 versehen werden.5 shows a further compressed air filling device 22B, similar to FIG. 4, wherein the device 1B is provided with a lateral compressed air filling valve 35 for filling with compressed air 5. A plate or hose valve is provided here as valve 35. For filling with compressed air 5, the compressed air connection part 28B is brought into contact with the valve 35 by the pressure lever 47 of the depressed lever arm 37. A lever 29 is actuated by the lever 37, which - as described above - activates the air pump 25. A dashed switch 29A can be provided so that the air pump 25 is only activated when a device 1B is in the seat 23A of the device 22B, which can be achieved by connecting the two switches 29, 29A in series. To protect against touch marks, the lever arm 37 and the pressure lever 47 can be used with the Contact surfaces to the device 1B can be provided with a corresponding coating 48.

Im Rahmen fachmännischer Überlegungen kann die Vorrichtung 1, 1A, 1B oder/und das Druckluftfüllgerät 22, 22A, 22B mit einer nicht dargestellten Überdruckverhinderungseinrichtung versehen werden.Within the scope of technical considerations, the device 1, 1A, 1B or / and the compressed air filling device 22, 22A, 22B can be provided with an overpressure prevention device, not shown.

Vorteilhafterweise ist die Flüssigkeitssprüh- oder Schaumabgabevorrichtung 1, 1A, 1B im wesentlichen aus Kunststoff hergestellt.Advantageously, the liquid spray or foam dispenser 1, 1A, 1B is essentially made of plastic.

Claims (11)

Flüssigkeitssprüh- oder Schaumabgabevorrichtung mit einem Dosierventil und einer über eine unlösbare Handhabe zu betätigenden Luftpumpe zum Befüllen einer Flüssigkeitsvorratskammer mit Druckluft, wobei zwischen der Luftpumpe und der Vorratskammer ein in Richtung der Kammer wirkendes Einwegventil angeordnet ist, und daß die Luftpumpe ein Druckausgleichsventil aufweist, das mit der Außenathmosphäre kommuniziert, dadurch gekennzeichnet, daß zum Befüllen mit Druckluft das Druckausgleichsventil (15) wahlweise mit einem Druckluftfüllgerät (22) verbindbar ausgebildet ist.Liquid spray or foam dispensing device with a metering valve and an air pump to be operated via a non-detachable handle for filling a liquid storage chamber with compressed air, a one-way valve acting in the direction of the chamber being arranged between the air pump and the storage chamber, and in that the air pump has a pressure compensating valve which communicates the outside atmosphere, characterized in that, for filling with compressed air, the pressure equalization valve (15) is optionally designed to be connectable to a compressed air filling device (22). Flüssigkeitssprüh- oder Schaumabgabevorrichtung mit einem Dosierventil und einer über eine unlösbare Handhabe zu betätigenden Luftpumpe zum Befüllen einer Flüssigkeitsvorratskammer mit Druckluft, wobei zwischen der Luftpumpe und der Vorratskammer ein in Richtung der Kammer wirkendes Einwegventil angeordnet ist, und daß die Luftpumpe ein Druckausgleichsventil aufweist, das mit der Außenathmosphäre kommuniziert, dadurch gekennzeichnet, daß zum Befüllen mit Druckluft das Dosierventil (6) wahlweise mit einem Druckluftfüllgerät (22A) verbindbar ausgebildet ist.Liquid spray or foam dispensing device with a metering valve and an air pump to be operated via a non-detachable handle for filling a liquid storage chamber with compressed air, a one-way valve acting in the direction of the chamber being arranged between the air pump and the storage chamber, and in that the air pump has a pressure compensating valve which communicates with the outside atmosphere, characterized in that, for filling with compressed air, the metering valve (6) can be optionally connected to a compressed air filling device (22A). Flüssigkeitssprüh- oder Schaumabgabevorrichtung mit einem Dosierventil und einer über eine unlösbare Handhabe zu betätigenden Luftpumpe zum Befüllen einer Flüssigkeitsvorratskammer mit Druckluft, wobei zwischen der Luftpumpe und der Vorratskammer ein in Richtung der Kammer wirkendes Einwegventil angeordnet ist, und daß die Luftpumpe ein Druckausgleichsventil aufweist, das mit der Außenathmosphäre kommuniziert, dadurch gekennzeichnet, daß zum Befüllen mit Druckluft die
Kammer (4) außenseitig mit einem Druckluftfüllventil (35) versehen ist, das wahlweise mit einem Druckluftfüllgerät (22B) verbindbar ausgebildet ist.Liquid spray or foam dispensing device with a metering valve and an air pump to be operated via a non-detachable handle for filling a liquid storage chamber with compressed air, a one-way valve acting in the direction of the chamber being arranged between the air pump and the storage chamber, and in that the air pump has a pressure compensating valve which the outside atmosphere communicates, characterized in that for filling with compressed air
Chamber (4) is provided on the outside with a compressed air filling valve (35) which can be optionally connected to a compressed air filling device (22B). Vorrichtung nach Anspruch 1 oder 2 oder 3, dadurch gekennzeichnet, daß die Handhabe (2) im Bodenbereich der Vorrichtung (1, 1A, 1B) vorgesehen ist.Device according to claim 1 or 2 or 3, characterized in that the handle (2) is provided in the bottom area of the device (1, 1A, 1B). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß als Luftpumpe (3) eine Kolbenpumpe (7, 12) vorgesehen ist.Apparatus according to claim 4, characterized in that a piston pump (7, 12) is provided as the air pump (3). Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Kolben (12) der Pumpe (3) als Druckausgleichsventil (15) ausgebildet ist.Apparatus according to claim 5, characterized in that the piston (12) of the pump (3) is designed as a pressure compensation valve (15). Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Handhabe (2) bodenseitig eine Öffnung (16) aufweist, die mit dem Druckausgleichsventil (15) korrespondiert und mit einem Druckluftanschlußteil (28) des Druckluftfüllgeräts (22) druckluftdicht verbindbar ausgebildet ist.Apparatus according to claim 4, characterized in that the handle (2) has an opening (16) on the bottom which corresponds to the pressure compensation valve (15) and is designed to be connectable in a compressed air-tight manner to a compressed air connection part (28) of the compressed air filling device (22). Vorrichtung nach mindestens Anspruch 1 oder 2 oder 3, dadurch gekennzeichnet, daß nach der Verbindung zwischen dem Druckluftfüllgerät (22, 22A, 22B) und der Vorrichtung (1, 1A, 1B) das Druckluftfüllgerät (22, 22A, 22B) aktiviert ist.Device according to at least claim 1 or 2 or 3, characterized in that after the connection between the compressed air filling device (22, 22A, 22B) and the device (1, 1A, 1B), the compressed air filling device (22, 22A, 22B) is activated. Vorrichtung nach mindestens Anspruch 1, dadurch gekennzeichnet, daß das Druckluftfüllgerät (22) kegelstumpfartig ausgestaltet ist und kegelstumpfseitig mit einem Aufnahmesitz (23) für die Vorrichtung (1) versehen ist.Device according to at least claim 1, characterized in that the compressed air filling device (22) is designed in the manner of a truncated cone and is provided on the truncated cone side with a receiving seat (23) for the device (1). Vorrichtung nach mindestens Anspruch 2, dadurch gekennzeichnet, daß das Druckluftfüllgerät (22A) mit einem ein Druckluftanschlußteil (28A) aufweisenden Hebelarm (36) zum Halten und Befüllen der Vorrichtung (1A) über das Dosierventil (6A) versehen ist.Device according to at least claim 2, characterized in that the compressed air filling device (22A) is provided with a lever arm (36) having a compressed air connection part (28A) for holding and filling the device (1A) via the metering valve (6A). Vorrichtung nach mindestens Anspruch 3, dadurch gekennzeichnet, daß das Druckluftfüllgerät (22B) mit einem Hebelarm (37) zum Halten und Befüllen der Vorrichtung (1B) über ein seitliches Druckluftanschlußteil (28B) versehen ist.Device according to at least claim 3, characterized in that the compressed air filling device (22B) is provided with a lever arm (37) for holding and filling the device (1B) via a side compressed air connection part (28B).
EP93118244A 1992-12-17 1993-11-11 Liquid spraying or foam delivering apparatus Withdrawn EP0602389A1 (en)

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DE9217250U 1992-12-17
DE9217250U DE9217250U1 (en) 1992-12-17 1992-12-17 Liquid spray or foam dispenser

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JPH06229399A (en) 1994-08-16
US5411183A (en) 1995-05-02

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