EP1170062B1 - Dispensing pump - Google Patents

Dispensing pump Download PDF

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Publication number
EP1170062B1
EP1170062B1 EP01115984A EP01115984A EP1170062B1 EP 1170062 B1 EP1170062 B1 EP 1170062B1 EP 01115984 A EP01115984 A EP 01115984A EP 01115984 A EP01115984 A EP 01115984A EP 1170062 B1 EP1170062 B1 EP 1170062B1
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EP
European Patent Office
Prior art keywords
dispenser
bellows
pump
adapter
valve
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.)
Expired - Lifetime
Application number
EP01115984A
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German (de)
French (fr)
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EP1170062A2 (en
EP1170062A3 (en
Inventor
Bernd Schreckenberg
Werner Petzold
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RPC Bramlage GmbH
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RPC Bramlage GmbH
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Publication of EP1170062A2 publication Critical patent/EP1170062A2/en
Publication of EP1170062A3 publication Critical patent/EP1170062A3/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/084—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular member being deformed by stretching or distortion
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the invention relates to a dispensing pump for dispensing liquid, low-viscosity and / or pasty substances from bottles, cans or tube-like containers, with the features mentioned in the preamble of claim 1.
  • a discharge pump is from the document US 4,863,070 known.
  • a hand-operated pump dispenser which can be placed on a fluid container with a discharge reservoir for receiving the fluid to be dispensed, an inlet with a one-way valve for transferring the fluid from the reservoir into the dispensing reservoir, a first actuator for storing energy in a spring providing a pressure to carry the fluid from the reservoir and a second actuator having an outlet valve for delivering the pressurized fluid from the reservoir, wherein the dispensing reservoir is formed as a bellows, by activating the first actuating element by receiving the fluid via the one-way valve expandable and compressible upon activation of the second actuator under relaxation of the spring and delivery of the pressurized fluid through the outlet valve is.
  • the device shows a combination of bellows with intake valve and exhaust valve, but is relatively complicated and costly designed.
  • the DE 35 09 178 A1 relates to a bottles or the like attachable metering pump with pump bellows and two valves, one of which is associated with the inlet and the other a mouthpiece; It proposes to achieve a manufacturing and convenient solution that the mouthpiece-side valve closure body in the ceiling of the pump bellows catching cap sits, whose inner surface is guided on the lateral surface of the pump bellows comprehensive pan, sitting in the bottom of the riser side valve body. Also, this dispenser is relatively complicated in construction and not suitable for all applications.
  • the DE 40 41 136 C2 relates to a metering and spray pump for dispensing liquid, low-viscosity and / or pasty substances from bottle, can or tube-like containers, with a bellows made of elastic plastic, which is arranged between two telescopically mutually movable housing parts made of dimensionally stable plastic and as discharge valve at one end has a sleeve-like valve ring wall, which encloses the lateral surface of a pump housing on the first pumping housing exporting, round annular wall sealing and liftable and the intake valve at its other end also has a sleeve-shaped valve ring wall on the outer surface of a round, on the second Housing part molded valve seat sealingly and liftable abuts, through which the pumping medium is sucked from the container into the bellows.
  • a metering pump for dispensing metered quantities of viscous, especially paste-like substances from paste containers with a between two coaxial, telescopically mutually movable housing parts made of dimensionally stable plastic sealingly arranged bellows known as a pump organ, arranged at both ends as one-way valves intake and exhaust valves are arranged with axially movable valve closing members, wherein on a suction-side radial wall of the one housing part concentric to the intake valve , Is directed against the paste container Ansaugrohrstutzen, and in which the connected to the suction-side end of the bellows housing part is provided with a coaxial receiving device for the output port of the paste container.
  • the housing connected to the suction end of the bellows is integrally provided with a frontally open Hüllève for enveloping receiving a filled paste container with trailing piston and an axially on the suction side of the intake valve ⁇ ffnerst formulateels and that the paste container on an end wall against the front the suction valve having projecting collar which surrounds the Ansaugrohrstutzen sealing and having a disc or cup-like Abtrennver gleich which integrally connected via a thin, annular Abtrennsteg with him and is separable by the ⁇ ffnerst Schemeel of this.
  • bellows and valves are relatively expensive and arranged montageschreib unfavorable.
  • EP 0 738 543 B1 wherein it is a discharge pump for dispensing pasty substances from a bottle, can or tube-like paste container with a resilient bellows as a pump organ, the connecting between a dimensionally stable, designed as a hollow body upper housing part and a lower, coaxial thereto, also dimensionally stable, is arranged connected to the paste container or connectable housing part, wherein the upper housing part is guided in a telescopically movable manner in the lower housing part and an upper cylindrical wall portion of the bellows sealingly abuts against an annular wall fixed in the upper housing part, within which a paste channel is located and wherein a lower end portion of the bellows sealingly abuts a collar of a radial partition wall of the lower housing part, wherein a second hollow body is further inserted into the upper, a closable outlet opening housing part is, with the upper housing part a lying in the immediate vicinity of the outlet opening, associated with the paste channel paste storage space
  • the invention is based on the object, the device of the aforementioned types, d. H. a discharge pump for dispensing liquid, low-viscosity and / or pasty substances from bottle, can or tube-like containers, with a bellows made of elastic plastic, to simplify substantially, both in terms of the number of required components and their structural design, with the aim to drastically reduce the costs of manufacturing, assembly and maintenance.
  • the upper part of the bellows is provided with an outlet nozzle which rests tightly in the head nozzle of the dispenser head, whereby the assembly is further simplified.
  • the intermediate wall is equipped with a collar or collar for fixing the bellows on the adapter, via which the lower part or the end of the bellows is plugged or snapped when mounted.
  • a collar or collar for fixing the bellows on the adapter, via which the lower part or the end of the bellows is plugged or snapped when mounted.
  • a positive connection between container and intermediate wall is produced by a Klipszone and an anti-rotation with the advantage of safe handling, the rotation is preferably designed by an annular groove with axial corrugation and thus engaging complementary corrugation constructive.
  • a particular embodiment of the invention provides that intake and / or exhaust valve are designed as a ball valve, whereby a reliable function and cost-effective implementation can be achieved.
  • the dispensing head can be equipped with a spray nozzle and / or a foaming attachment in order to offer space for almost any application and thus to ensure high quantities with further cost reduction during production.
  • FIG. 1 a dispenser 1 for liquid, low-viscosity and / or pasty substances from bottles, cans or tube-like containers 2 is shown in perspective, the cap 3 covers the discharge pump 4 according to the invention.
  • FIG. 2 shows a non-inventive dispenser 1 in longitudinal section with disposed on the container 2 dispensing pump 4.
  • the substance to be dispensed for example, a skin cream by means of the discharge pump 4, consisting essentially of dispenser head 5 and bellows 6, when actuated from the Mouthpiece is issued with discharge opening 7, wherein the follower piston 8 is self-sealingly pulled up in the container 2 in a known manner. Ventilation of the follower piston 8 from below via the hole 9 instead of the follower piston 8, the container 2 when used as a bottle with a liquid filling alternatively a riser (not shown).
  • the bellows 6 is made of a thermoplastic elastomer (TPE) or polypropylene (PP), for example, and builds up a restoring force when compressed.
  • TPE thermoplastic elastomer
  • PP polypropylene
  • the discharge pump 4 namely the bellows 6 made of elastic plastic, which is arranged between two telescopically movable housing parts, ie designed as a pushbutton dispenser head 5 and designed as a guide sleeve adapter 10 made of dimensionally stable plastic and through which the Pump medium is conveyed from the container 2, wherein on the underside of the bellows 6, a suction valve 11 is disposed and at the top of an outlet valve 12 is located,
  • the adapter 10 has an inwardly projecting annular rib 13 at its upper end.
  • the dispenser head 5 is guided axially movable, which has at its lower end an annular bead 14 for guiding stabilization and stroke limitation or to prevent disengagement of the dispenser head 5 upwards out of the adapter 10.
  • the lower part of the adapter 10 is designed as an intermediate wall 15 and receives the intake valve 11 with intake opening 16.
  • a positive connection between the container 2 and intermediate wall 15 is given by the Klipszone 17 and the rotation 18, the latter can be designed, for example, by an annular groove with axial corrugation and thus engaging complementary corrugation.
  • Ring collar 19 equipped over which the lower part or the end of the bellows 6 is slipped or plugged during assembly.
  • the upper part of the bellows 6 receives the outlet valve 12 with outlet opening 20 and is provided with an outlet 21 which fits tightly in the head nozzle 22 of the dispensing head 5.
  • the dispenser 1 works as follows: As soon as the dispenser head 5 is pushed in after the cap 3 has been removed and the bellows 6 squeezes together, the suction valve 11 closes and with the outlet valve 12 open, the ingredient escapes through the head nozzle 22 and connected mouthpiece 7 for delivery to the consumer. When releasing the preferably provided with a dented or fluted actuating surface dispenser head push button 5 causes the material elasticity of the bellows 6 an automatic return of the dispenser head 5 in its original rest position. Wherein the exhaust valve 12 is closed, the intake valve 11 opens and the follower piston 8 moves in the container 2 upwards.
  • the dispenser head 5 according to the invention can according to FIG. 4
  • laterally axial webs 25 are arranged in the adapter 10, preferably three evenly distributed on the circumference.
  • the measures and embodiments according to the invention are not limited to the embodiments illustrated in the drawing figures. Possible modifications of the dispenser according to the invention may consist in that, for example, the dispenser head, the valves and / or the reservoir have different shapes, and that parts of other materials instead of plastics. Also, the dispenser can be designed as a double-chamber dispenser or two-chamber dispenser or two-chamber spray pump. The respective structural design is free to the skilled person in adaptation to particular uses.

Abstract

The dispenser pump (2,3) is used to deliver low-viscosity or pasty substances. It consists of a tubular unit which incorporates a compressible plastics bellows section. The housing has two concentric tubular sections and a dispenser head.

Description

Die Erfindung betrifft eine Abgabepumpe zur Abgabe flüssiger, niederviskoser und/oder pastöser Stoffe aus flaschen-, dosen- oder tubenartigen Behältern, mit den im Oberbegriff des Anspruchs 1 genannten Merkmalen. Eine derartige Abgabepumpe ist aus dem Dokument US 4 863 070 bekannt.The invention relates to a dispensing pump for dispensing liquid, low-viscosity and / or pasty substances from bottles, cans or tube-like containers, with the features mentioned in the preamble of claim 1. Such a discharge pump is from the document US 4,863,070 known.

Aus der DE 28 42 073 A1 ist ein handbetätigter Pumpdispensor bekannt, der auf einen Fluidbehälter aufsetzbar ist, mit einem Abgabereservoir zur Aufnahme des unter Druck abzugebenden Fluids, einem Einlass mit einem Einwegventil zur Überführung des Fluids aus dem Vorratsbehälter in das Abgabereservoir, einem ersten Betätigungselement zur Speicherung von Energie in einer Feder unter Bereitstellung eines Drucks zur Ausführung des Fluids aus dem Reservoir sowie einem zweiten Betätigungselement mit einem Auslassventil zur Abgabe des unter Druck stehenden Fluids aus dem Reservoir, wobei das Abgabereservoir als Balg ausgebildet ist, der durch Aktivierung des ersten Betätigungselementes unter Aufnahme des Fluids über das Einwegventil expandierbar und bei Aktivierung des zweiten Betätigungselementes unter Entspannung der Feder und Abgabe des unter Druck stehenden Fluids durch das Auslassventil zusammendrückbar ist. Die Vorrichtung zeigt zwar eine Kombination von Faltenbalg mit Ansaugventil und Auslassventil, ist aber verhältnismäßig kompliziert und kostenaufwendig ausgestaltet.From the DE 28 42 073 A1 a hand-operated pump dispenser is known, which can be placed on a fluid container with a discharge reservoir for receiving the fluid to be dispensed, an inlet with a one-way valve for transferring the fluid from the reservoir into the dispensing reservoir, a first actuator for storing energy in a spring providing a pressure to carry the fluid from the reservoir and a second actuator having an outlet valve for delivering the pressurized fluid from the reservoir, wherein the dispensing reservoir is formed as a bellows, by activating the first actuating element by receiving the fluid via the one-way valve expandable and compressible upon activation of the second actuator under relaxation of the spring and delivery of the pressurized fluid through the outlet valve is. Although the device shows a combination of bellows with intake valve and exhaust valve, but is relatively complicated and costly designed.

Die DE 35 09 178 A1 betrifft eine auf Flaschen oder dergleichen aufsetzbare Dosierpumpe mit Pumpenbalg und zwei Ventilen, von denen das eine dem Zulauf und das andere einem Mundstück zugeordnet ist; sie schlägt zur Erzielung einer herstellungs- und gebrauchsgünstigen Lösung vor, dass der mundstückigseitige Ventilverschlusskörper in der Decke einer den Pumpenbalg überfangenden Kappe sitzt, deren Innenfläche auf der Mantelfläche eines den Pumpenbalg umfassenden Topfes geführt ist, in dessen Boden der steigrohrseitige Ventilverschlusskörper sitzt. Auch dieser Spender ist verhältnismäßig kompliziert im Aufbau und nicht für alle Anwendungsfälle geeignet.The DE 35 09 178 A1 relates to a bottles or the like attachable metering pump with pump bellows and two valves, one of which is associated with the inlet and the other a mouthpiece; It proposes to achieve a manufacturing and convenient solution that the mouthpiece-side valve closure body in the ceiling of the pump bellows catching cap sits, whose inner surface is guided on the lateral surface of the pump bellows comprehensive pan, sitting in the bottom of the riser side valve body. Also, this dispenser is relatively complicated in construction and not suitable for all applications.

Die DE 40 41 136 C2 betrifft eine Dosier- und Spraypumpe zur Abgabe flüssiger, niederviskoser und/oder pastöser Stoffe aus flaschen-, dosen- oder tubenartigen Behältern, mit einem Faltenbalg aus elastischem Kunststoff, der verbindend zwischen zwei teleskopartig gegeneinander beweglichen Gehäuseteilen aus formstabilem Kunststoff angeordnet ist und der als Ausgabeventil am einen Ende eine hülsenartige Ventilringwand aufweist, welche die Mantelfläche einer an dem die Pumphübe ausführenden ersten Gehäuseteil angeformten, runden Ringwand dichtend und abhebbar umschließt und der als Ansaugventil an seinem anderen Ende ebenfalls eine hülsenförmige Ventilringwand aufweist, die an der Mantelfläche eines runden, am zweiten Gehäuseteil angeformten Ventilsitzes dichtend und abhebbar anliegt, durch welchen hindurch das Pumpmedium aus dem Behälter in den Faltenbalg angesaugt wird.The DE 40 41 136 C2 relates to a metering and spray pump for dispensing liquid, low-viscosity and / or pasty substances from bottle, can or tube-like containers, with a bellows made of elastic plastic, which is arranged between two telescopically mutually movable housing parts made of dimensionally stable plastic and as discharge valve at one end has a sleeve-like valve ring wall, which encloses the lateral surface of a pump housing on the first pumping housing exporting, round annular wall sealing and liftable and the intake valve at its other end also has a sleeve-shaped valve ring wall on the outer surface of a round, on the second Housing part molded valve seat sealingly and liftable abuts, through which the pumping medium is sucked from the container into the bellows.

Aus der DE 42 06 524 C2 ist ferner eine Dosierpumpe zur Abgabe dosierter Mengen zähflüssiger, insbesondere pastenartiger Stoffe aus Pastenbehältern mit einem zwischen zwei koaxialen, teleskopartig gegeneinander beweglichen Gehäuseteilen aus formstabilem Kunststoff dichtend angeordneten Faltenbalg als Pumporgan bekannt, an dessen beiden Enden als Einwegventile ausgebildete Ansaug- und Auslassventile mit axial beweglichen Ventilschließorganen angeordnet sind, wobei an einer ansaugseitigen Radialwand des einen Gehäuseteils ein zum Ansaugventil konzentrischer, gegen den Pastenbehälter gerichteter Ansaugrohrstutzen angeordnet ist, und bei der das mit dem ansaugseitigen Ende des Faltenbalgs verbundene Gehäuseteil mit einer koaxialen Aufnahmeeinrichtung für den Ausgabestutzen des Pastenbehälters versehen ist. Dabei ist vorgesehen, dass das mit dem ansaugseitigen Ende des Faltenbalgs verbundene Gehäuse einstückig versehen ist mit einem stirnseitig offenen Hüllkörper zur umhüllenden Aufnahme eines gefüllten Pastenbehälters mit Nachlaufkolben sowie einem auf der Ansaugseite des Ansaugventils axial vorspringenden Öffnerstößels und dass der Pastenbehälter an einer Stirnwand einen stirnseitig gegen das Ansaugventil vorstehenden Kragen aufweist, der den Ansaugrohrstutzen dichtend umschließt und der einen scheiben- oder topfartigen Abtrennverschluss aufweist, welcher einstückig über einen dünnen, ringförmigen Abtrennsteg mit ihm verbunden und durch den Öffnerstößel von diesem trennbar ist. Auch hier sind Faltenbalg und Ventile verhältnismäßig aufwendig und montagemäßig ungünstig angeordnet.From the DE 42 06 524 C2 is also a metering pump for dispensing metered quantities of viscous, especially paste-like substances from paste containers with a between two coaxial, telescopically mutually movable housing parts made of dimensionally stable plastic sealingly arranged bellows known as a pump organ, arranged at both ends as one-way valves intake and exhaust valves are arranged with axially movable valve closing members, wherein on a suction-side radial wall of the one housing part concentric to the intake valve , Is directed against the paste container Ansaugrohrstutzen, and in which the connected to the suction-side end of the bellows housing part is provided with a coaxial receiving device for the output port of the paste container. It is envisaged that the housing connected to the suction end of the bellows is integrally provided with a frontally open Hüllkörper for enveloping receiving a filled paste container with trailing piston and an axially on the suction side of the intake valve Öffnerstößels and that the paste container on an end wall against the front the suction valve having projecting collar which surrounds the Ansaugrohrstutzen sealing and having a disc or cup-like Abtrennverschluss which integrally connected via a thin, annular Abtrennsteg with him and is separable by the Öffnerstößel of this. Again, bellows and valves are relatively expensive and arranged montagemäßig unfavorable.

Ähnliches gilt für die EP 0 738 543 B1 , wobei es sich um eine Abgabepumpe zur Abgabe pastenartiger Stoffe aus einem flaschen-, dosen- oder tubenartigen Pastenbehälter mit einem federelastischen Faltenbalg als Pumporgan handelt, der verbindend zwischen einem formstabilen, als Hohlkörper ausgebildeten oberen Gehäuseteil und einem unteren, dazu koaxialen, ebenfalls formstabilen, mit dem Pastenbehälter verbundenen oder verbindbaren Gehäuseteil angeordnet ist, wobei der obere Gehäuseteil im unteren Gehäuseteil teleskopartig beweglich geführt ist und ein oberer zylindrischer Wandabschnitt des Faltenbalgs dichtend an einer im oberen Gehäuseteil ortsfesten Ringwand anliegt, innerhalb welcher sich ein Pastenkanal befindet und wobei ein unterer Endabschnitt des Faltenbalgs dichtend an einem Ringbund einer radialen Trennwand des unteren Gehäuseteils anliegt, wobei ferner in den oberen, eine verschließbare Auslassöffnung aufweisenden Gehäuseteil ein zweiter Hohlkörper eingesetzt ist, der mit dem oberen Gehäuseteil einen in der unmittelbaren Umgebung der Auslassöffnung liegenden, mit dem Pastenkanal in Verbindung stehenden Pastenstauraum bildet, in dem eine der Auslassöffnung gegenüberliegende, federelastische Membranwand angeordnet ist, die ein zur die Gehäuseachse spitzwinklig schneidenden Achse der Auslassöffnung koaxiales, stöpselartiges Schließorgan aufweist, und bei der der untere Gehäuseteil mit einem Ansaugventil versehen ist. Insbesondere werden hier der zweite Hohlkörper mit der Auslassöffnung in aufwendiger Weise weiter ausgestaltet.The same applies to the EP 0 738 543 B1 , wherein it is a discharge pump for dispensing pasty substances from a bottle, can or tube-like paste container with a resilient bellows as a pump organ, the connecting between a dimensionally stable, designed as a hollow body upper housing part and a lower, coaxial thereto, also dimensionally stable, is arranged connected to the paste container or connectable housing part, wherein the upper housing part is guided in a telescopically movable manner in the lower housing part and an upper cylindrical wall portion of the bellows sealingly abuts against an annular wall fixed in the upper housing part, within which a paste channel is located and wherein a lower end portion of the bellows sealingly abuts a collar of a radial partition wall of the lower housing part, wherein a second hollow body is further inserted into the upper, a closable outlet opening housing part is, with the upper housing part a lying in the immediate vicinity of the outlet opening, associated with the paste channel paste storage space in which an outlet opening opposite, resilient diaphragm wall is arranged, the axis of the housing at an acute angle intersecting axis of the outlet opening coaxial, plug-like Has closing member, and in which the lower housing part is provided with a suction valve. In particular, here the second hollow body with the outlet opening in a complex manner further configured.

Der Erfindung liegt die Aufgabe zugrunde, die Vorrichtung der eingangs genannten Bauarten, d. h. eine Abgabepumpe zur Abgabe flüssiger, niederviskoser und/oder pastöser Stoffe aus flaschen-, dosen- oder tubenartigen Behältern, mit einem Faltenbalg aus elastischem Kunststoff, wesentlich zu vereinfachen, und zwar sowohl hinsichtlich der Anzahl benötigter Bauteile als auch ihrer konstruktiven Ausbildung, mit dem Ziel, die Kosten für Fertigung, Montage und Wartung drastisch zu reduzieren.The invention is based on the object, the device of the aforementioned types, d. H. a discharge pump for dispensing liquid, low-viscosity and / or pasty substances from bottle, can or tube-like containers, with a bellows made of elastic plastic, to simplify substantially, both in terms of the number of required components and their structural design, with the aim to drastically reduce the costs of manufacturing, assembly and maintenance.

Zur Lösung wird bei einer Vorrichtung der im Oberbegriff von Anspruch 1 genannten Art mit der Erfindung vorgeschlagen, dass die Merkmale des kennzeichnenden Teils des Anspruchs 1 vorgesehen werden.To solve a device referred to in the preamble of claim 1 is proposed with the invention that the features of the characterizing part of claim 1 are provided.

Nach einer Ausgestaltung der Erfindung ist vorgesehen, dass der obere Teil des Faltenbalgs mit einem Auslassstutzen versehen ist, der im Kopfstutzen des Spenderkopfs dicht anliegt, wodurch die Montage weiter vereinfacht wird.According to one embodiment of the invention it is provided that the upper part of the bellows is provided with an outlet nozzle which rests tightly in the head nozzle of the dispenser head, whereby the assembly is further simplified.

Weiterhin ist es besonders zweckmäßig und vereinfacht die Montage, wenn zur Fixierung des Faltenbalgs am Adapter dessen Zwischenwand mit einem Kragen bzw. Ringbund ausgestattet ist, über den der untere Teil bzw. das Endstück des Faltenbalgs bei Montage stülpbar oder rastbar ist. Zur sicheren Abdichtung des Faltenbalgs am Adapter kann dessen Zwischenwand auch mit einer Ringnut ausgestattet sein, die sich zwischen dem inneren Ringbund und einem äußeren Ringbund ausbildet, in die der untere Teil bzw. das Endstück des Faltenbalgs bei Montage einsteckbar ist.Furthermore, it is particularly expedient and simplifies the assembly when the intermediate wall is equipped with a collar or collar for fixing the bellows on the adapter, via which the lower part or the end of the bellows is plugged or snapped when mounted. For secure sealing of the bellows on the adapter whose intermediate wall can also be equipped with an annular groove which forms between the inner annular collar and an outer annular collar into which the lower part or the end of the bellows can be inserted during assembly.

Ferner wird mit Vorteil einer sicheren Handhabung eine formschlüssige Verbindung zwischen Behälter und Zwischenwand durch eine Klipszone sowie eine Verdrehsicherung hergestellt, wobei die Verdrehsicherung vorzugsweise durch eine Ringnut mit axialer Riffelung und damit in Eingriff stehender komplementärer Riffelung konstruktiv ausgestaltet ist.Furthermore, a positive connection between container and intermediate wall is produced by a Klipszone and an anti-rotation with the advantage of safe handling, the rotation is preferably designed by an annular groove with axial corrugation and thus engaging complementary corrugation constructive.

Eine besondere Ausführungsform der Erfindung sieht vor, dass Ansaug-und/oder Auslassventil als Kugelventil ausgebildet sind, wodurch eine sichere Funktion und kostengünstige Realisierung erzielt werden kann.A particular embodiment of the invention provides that intake and / or exhaust valve are designed as a ball valve, whereby a reliable function and cost-effective implementation can be achieved.

Für die Abgabe flüssiger und/oder niedrigviskoser Stoffe kann der Spenderkopf mit einer Sprühdüse und/oder einem Schäumaufsatz ausgerüstet sein, um nahezu beliebigen Anwendungsmöglichkeiten Raum zu bieten und damit hohe Stückzahlen mit weiterer Kostensenkung bei der Fertigung zu gewährleisten.For dispensing liquid and / or low-viscosity substances, the dispensing head can be equipped with a spray nozzle and / or a foaming attachment in order to offer space for almost any application and thus to ensure high quantities with further cost reduction during production.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachstehenden Erläuterung von in den Zeichnungen schematisch dargestellten Ausführungsbeispielen.Further details, features and advantages of the invention will become apparent from the following explanation of schematically illustrated in the drawings embodiments.

Es zeigen:

Fig. 1
einen Spender in perspektivischer Seitenansicht,
Fig. 2
einen nicht erfindungsgemäßen Spender mit Abgabepumpe im Schnitt,
Fig. 3
einen vergrößerten Teilausschnitt aus Fig. 2,
Fig. 4
einen erfindungsgemäßen Spender zusätzlich mit Sprühdüse und Schäumaufsatz.
Show it:
Fig. 1
a dispenser in perspective side view,
Fig. 2
a non-inventive dispenser with discharge pump in section,
Fig. 3
an enlarged partial section Fig. 2 .
Fig. 4
a dispenser according to the invention additionally with spray nozzle and foaming attachment.

In Figur 1 ist ein Spender 1 für flüssige, niederviskose und/oder pastöse Stoffe aus flaschen-, dosen- oder tubenartigen Behältern 2 perspektivisch dargestellt, dessen Kappe 3 die erfindungsgemäße Abgabepumpe 4 abdeckt.In FIG. 1 a dispenser 1 for liquid, low-viscosity and / or pasty substances from bottles, cans or tube-like containers 2 is shown in perspective, the cap 3 covers the discharge pump 4 according to the invention.

Figur 2 zeigt einen nicht erfindungsgemäßen Spender 1 im Längsschnitt mit auf dem Behälter 2 angeordneter Abgabepumpe 4. Im Behälter 2 befindet sich der abzugebende Stoff, beispielsweise eine Hautcreme, die mittels der Abgabepumpe 4, bestehend im wesentlichen aus Spenderkopf 5 und Faltenbalg 6, bei Betätigung aus dem Mundstück mit Ausgabeöffnung 7 abgegeben wird, wobei in bekannter Weise der Nachlaufkolben 8 selbstabdichtend im Behälter 2 hochgezogen wird. Eine Belüftung des Nachlaufkolbens 8 von unten erfolgt über das Loch 9. Statt des Nachlaufkolbens 8 weist der Behälter 2 bei Verwendung als Flasche mit einer Flüssigkeitsfüllung alternativ ein Steigrohr (nicht dargestellt) auf. FIG. 2 shows a non-inventive dispenser 1 in longitudinal section with disposed on the container 2 dispensing pump 4. In the container 2 is the substance to be dispensed, for example, a skin cream by means of the discharge pump 4, consisting essentially of dispenser head 5 and bellows 6, when actuated from the Mouthpiece is issued with discharge opening 7, wherein the follower piston 8 is self-sealingly pulled up in the container 2 in a known manner. Ventilation of the follower piston 8 from below via the hole 9 instead of the follower piston 8, the container 2 when used as a bottle with a liquid filling alternatively a riser (not shown).

Der Faltenbalg 6 ist beispielsweise aus einem thermoplastischen Elastomer (TPE) oder Polypropylen (PP) hergestellt und baut beim Zusammendrücken eine Rückstellkraft auf.The bellows 6 is made of a thermoplastic elastomer (TPE) or polypropylene (PP), for example, and builds up a restoring force when compressed.

Aus der Figur 3 sind insbesondere weitere Details der Abgabepumpe 4 ersichtlich, nämlich der Faltenbalg 6 aus elastischem Kunststoff, der verbindend zwischen zwei teleskopartig gegeneinander beweglichen Gehäuseteilen, d. h. dem als Drucktaste ausgebildeten Spenderkopf 5 und einem als Führungshülse ausgestalteten Adapter 10 aus formstabilem Kunststoff angeordnet ist und durch den hindurch das Pumpmedium aus dem Behälter 2 gefördert wird, wobei an der Unterseite des Faltenbalgs 6 ein Ansaugventil 11 angeordnet ist und sich an der Oberseite ein Auslassventil 12 befindet,From the FIG. 3 In particular, further details of the discharge pump 4 can be seen, namely the bellows 6 made of elastic plastic, which is arranged between two telescopically movable housing parts, ie designed as a pushbutton dispenser head 5 and designed as a guide sleeve adapter 10 made of dimensionally stable plastic and through which the Pump medium is conveyed from the container 2, wherein on the underside of the bellows 6, a suction valve 11 is disposed and at the top of an outlet valve 12 is located,

Der Adapter 10 weist an seinem oberen Ende eine nach innen vorspringende Ringrippe 13 auf. Im Adapter 10 ist der Spenderkopf 5 axial beweglich geführt, der an seinem unteren Ende einen Ringwulst 14 zur Führungsstabilisierung und Hubbegrenzung besitzt bzw. um ein Lösen des Spenderkopfes 5 nach oben aus dem Adapter 10 zu verhindern.The adapter 10 has an inwardly projecting annular rib 13 at its upper end. In the adapter 10, the dispenser head 5 is guided axially movable, which has at its lower end an annular bead 14 for guiding stabilization and stroke limitation or to prevent disengagement of the dispenser head 5 upwards out of the adapter 10.

Der untere Teil des Adapters 10 ist als Zwischenwand 15 ausgestaltet und nimmt das Ansaugventil 11 mit Ansaugöffnung 16 auf. Eine formschlüssige Verbindung zwischen Behälter 2 und Zwischenwand 15 ist durch die Klipszone 17 sowie die Verdrehsicherung 18 gegeben, wobei letztere beispielsweise durch eine Ringnut mit axialer Riffelung und damit in Eingriff stehender komplementärer Riffelung konstruktiv ausgestaltet sein kann. Zur Fixierung des Faltenbalgs 6 am Adapter 10 ist dessen Zwischenwand 15 mit einem Kragen bzw.The lower part of the adapter 10 is designed as an intermediate wall 15 and receives the intake valve 11 with intake opening 16. A positive connection between the container 2 and intermediate wall 15 is given by the Klipszone 17 and the rotation 18, the latter can be designed, for example, by an annular groove with axial corrugation and thus engaging complementary corrugation. To fix the bellows 6 on the adapter 10 whose intermediate wall 15 with a collar or

Ringbund 19 ausgestattet, über den der untere Teil bzw. das Endstück des Faltenbalgs 6 bei Montage gestülpt bzw. gesteckt wird.Ring collar 19 equipped over which the lower part or the end of the bellows 6 is slipped or plugged during assembly.

Der obere Teil des Faltenbalgs 6 nimmt das Auslassventil 12 mit Auslassöffnung 20 auf und ist mit einem Auslassstutzen 21 versehen, der im Kopfstutzen 22 des Spenderkopfs 5 dicht anliegt.The upper part of the bellows 6 receives the outlet valve 12 with outlet opening 20 and is provided with an outlet 21 which fits tightly in the head nozzle 22 of the dispensing head 5.

Der Spender 1 funktioniert folgendermaßen: Sobald nach Entfernen der Kappe 3 der Spenderkopf 5 eingedrückt wird und der Faltenbalg 6 sich zusammenquetscht, schließt sich das Ansaugventil 11 und bei geöffnetem Auslassventil 12 entweicht durch Kopfstutzen 22 und angeschlossenem Mundstück 7 der Inhaltsstoff zur Abgabe an den Verbraucher. Beim Loslassen der vorzugsweise mit einer eingedellten oder geriffelten Betätigungsfläche versehenen Spenderkopf-Drucktaste 5 bewirkt die Materialelastizität des Faltenbalgs 6 eine selbsttätige Rückkehr des Spenderkopfs 5 in seine ursprüngliche Ruheposition. Wobei das Auslassventil 12 geschlossen ist, sich das Ansaugventil 11 öffnet und sich auch der Nachlaufkolben 8 im Behälter 2 nach oben bewegt.The dispenser 1 works as follows: As soon as the dispenser head 5 is pushed in after the cap 3 has been removed and the bellows 6 squeezes together, the suction valve 11 closes and with the outlet valve 12 open, the ingredient escapes through the head nozzle 22 and connected mouthpiece 7 for delivery to the consumer. When releasing the preferably provided with a dented or fluted actuating surface dispenser head push button 5 causes the material elasticity of the bellows 6 an automatic return of the dispenser head 5 in its original rest position. Wherein the exhaust valve 12 is closed, the intake valve 11 opens and the follower piston 8 moves in the container 2 upwards.

Für beliebige Verwendungen kann der erfindungsgemäße Spenderkopf 5 gemäß Figur 4 beispielsweise auch mit einer Sprühdüse 23 und/oder einem Schäumaufsatz 24 ausgerüstet sein. Um den erfindungsgemäßen Spender auf ein bestimmtes Ausbringvolumen zu begrenzen, sind im Adapter 10 seitlich axiale Stege 25 angeordnet, vorzugsweise drei auf dem Umfang gleichmäßig verteilt. Ferner ist aus Fig. 4 entnehmbar, dass zur exakten Fixierung und Abdichtung des Faltenbalgs 6 am Adapter 10 dessen Zwischenwand 15 mit einer Ringnut 27 ausgestattet ist, die sich zwischen dem inneren Ringbund 19 und einem äußeren Ringbund 26 ausbildet, in die der untere Teil bzw. das Endstück des Faltenbalgs 6 bei Montage einsteckbar ist.For any uses, the dispenser head 5 according to the invention can according to FIG. 4 For example, be equipped with a spray nozzle 23 and / or a foaming attachment 24. In order to limit the dispenser according to the invention to a certain application volume, laterally axial webs 25 are arranged in the adapter 10, preferably three evenly distributed on the circumference. Furthermore, it is off Fig. 4 removable, that for the exact fixing and sealing of the bellows 6 on the adapter 10 whose intermediate wall 15 is provided with an annular groove 27 which forms between the inner annular collar 19 and an outer annular collar 26, in which the lower part or the end of the bellows. 6 can be inserted during installation.

Die erfindungsgemäßen Maßnahmen und Ausgestaltungen sind nicht auf die in den Zeichnungsfiguren dargestellten Ausführungsbeispiele beschränkt. Mögliche Abwandlungen des erfindungsgemäßen Spenders können darin bestehen, dass beispielsweise der Spenderkopf, die Ventile und/oder der Vorratsbehälter unterschiedliche Formen aufweisen, und dass anstelle von Kunststoffen auch Teile aus anderen Materialien bestehen. Auch kann der Spender als Doppelkammer-Spender bzw. Zweikammer-Dosierspender oder Zweikammer-Spraypumpe ausgebildet sein. Die jeweilige konstruktive Ausgestaltung ist in Anpassung an besondere Verwendungen dem Fachmann freigestellt.The measures and embodiments according to the invention are not limited to the embodiments illustrated in the drawing figures. Possible modifications of the dispenser according to the invention may consist in that, for example, the dispenser head, the valves and / or the reservoir have different shapes, and that parts of other materials instead of plastics. Also, the dispenser can be designed as a double-chamber dispenser or two-chamber dispenser or two-chamber spray pump. The respective structural design is free to the skilled person in adaptation to particular uses.

Claims (6)

  1. Dispenser pump (4) for dispensing liquid, low-viscosity and/or pasty substances from bottle-like, can-like or tube-like containers, comprising a bellows (6) of elastic plastics material, which is arranged to be connecting between two housing parts telescopically movable relative to one another, namely a dispenser head (5) constructed as a pushbutton and an adapter (10) formed as a guide sleeve and of plastics material stable in shape, and through which the medium to be pumped is conveyed from the container (2), wherein the lower part of the adapter (10) is constructed as an intermediate wall (15), in which a suction valve (11) with a suction opening (16) is arranged within the bellows (6), and wherein the upper part of the bellows (6) is constructed as an outlet valve (12) with an outlet opening (20), characterised in that
    a) for precise fixing and secure sealing of the bellows (6) to the adapter (10) the intermediate wall (15) constructed in the form of a flat base is equipped with an annular groove (27), which is formed between an inner annular collar (19) and an outer annular collar (26) and into which the lower end piece of the bellows (6) is insertable during assembly; and
    b) for stabilisation of guidance and limitation of stroke of the dispenser head (5) in upward direction this has at its lower end an outwardly protruding annular bead (14) and the adapter (10) has at its upper end an inwardly protruding annular rib (13) and lateral axial webs (25) are arranged in the adapter (10), preferably three uniformly distributed at the circumference, for limitation of a defined delivery volume.
  2. Dispenser pump (4) according to claim 1, characterised in that the upper part of the bellows (6) is provided with an outlet stub pipe (21) which sealingly bears in the head stub pipe (22) of the dispenser head (5).
  3. Dispenser pump (4) according to claim 1 or 2, characterised in that a mechanically positive connection between container (2) and intermediate wall (15) is produced by a clip zone (17) and a rotational securing means (18), wherein the rotational securing means (18) is preferably constructively formed by an annular groove with axial ribbing and complementary ribbing disposed in engagement therewith.
  4. Dispenser pump (4) according to claim 1, 2 or 3, characterised in that the suction valve (11) and/or outlet valve (12) is or are formed as a ball valve or ball valves.
  5. Dispenser pump (4) according to one or more of claims 1 to 4, characterised in that the dispenser head (5) is equipped with a spray nozzle (23) and/or a foam attachment (24).
  6. Dispenser pump (4) according to one or more of claims 1 to 5, characterised in that the dispenser (1) is constructed as a double-chamber dispenser or twin-chamber metering dispenser or twin-chamber spray pump.
EP01115984A 2000-07-03 2001-06-30 Dispensing pump Expired - Lifetime EP1170062B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20011292U 2000-07-03
DE20011292U DE20011292U1 (en) 2000-07-03 2000-07-03 Dispensing pump

Publications (3)

Publication Number Publication Date
EP1170062A2 EP1170062A2 (en) 2002-01-09
EP1170062A3 EP1170062A3 (en) 2003-12-17
EP1170062B1 true EP1170062B1 (en) 2008-07-16

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ID=7943300

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Application Number Title Priority Date Filing Date
EP01115984A Expired - Lifetime EP1170062B1 (en) 2000-07-03 2001-06-30 Dispensing pump

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EP (1) EP1170062B1 (en)
AT (1) ATE401134T1 (en)
DE (2) DE20011292U1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US8814005B2 (en) 2012-04-27 2014-08-26 Pibed Limited Foam dispenser

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DE202004019763U1 (en) * 2004-12-22 2005-03-03 Megaplast Gmbh & Co. Kg Dosing pump for paste dispenser
DE102008029004A1 (en) * 2007-06-29 2009-01-02 Rpc Bramlage Gmbh Dispenser for dispensing liquid or pasty masses
DE102008023521B4 (en) * 2008-02-15 2009-12-03 Inotech Kunststofftechnik Gmbh Apparatus and method for dispensing flowable substances and method for producing a device for dispensing flowable substances
DE202011051538U1 (en) 2011-10-05 2013-01-08 Alfred Von Schuckmann Dispensers for pasty masses

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FR2380077A1 (en) * 1977-02-15 1978-09-08 Normos Norbert Manual liquid spray with an integral bellows and nozzle - using integral polypropylene components to eliminate sliding seals
DK426978A (en) 1977-09-27 1979-03-28 Unilever Nv HAND OPERATED PUMP SPRAYER
DE3429835A1 (en) * 1984-08-14 1986-02-20 Ing. Erich Pfeiffer GmbH & Co KG, 7760 Radolfzell FLOWING MATERIAL DISPENSER
DE3509178A1 (en) 1985-03-14 1986-09-18 mega product- und Verpackungsentwicklung Marketing GmbH & Co KG, 5600 Wuppertal Proportioning pump with pump bellows
DE3860930D1 (en) * 1987-07-07 1990-12-06 Raimund Andris DOSING PUMP FOR LIQUID AND / OR VISCOSE SUBSTANCES.
DE4041136C2 (en) 1990-12-21 1994-06-30 Andris Raimund Gmbh & Co Kg Dosing and spray pump for dispensing liquid, low-viscosity and pasty substances
DE4206524C2 (en) 1992-03-02 1997-04-24 Andris Raimund Gmbh & Co Kg Dosing pump for viscous, especially paste-like substances
US5664703A (en) * 1994-02-28 1997-09-09 The Procter & Gamble Company Pump device with collapsible pump chamber having supply container venting system and integral shipping seal
DE29506682U1 (en) 1995-04-19 1995-06-29 Megaplast Dosiersysteme Gmbh Dispensing pump made of plastic for pasty materials

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Publication number Priority date Publication date Assignee Title
US8814005B2 (en) 2012-04-27 2014-08-26 Pibed Limited Foam dispenser

Also Published As

Publication number Publication date
EP1170062A2 (en) 2002-01-09
DE20011292U1 (en) 2000-09-21
EP1170062A3 (en) 2003-12-17
DE50114113D1 (en) 2008-08-28
ATE401134T1 (en) 2008-08-15

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