EP2123364A1 - Dispenser with shock-proof valve - Google Patents

Dispenser with shock-proof valve Download PDF

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Publication number
EP2123364A1
EP2123364A1 EP09159380A EP09159380A EP2123364A1 EP 2123364 A1 EP2123364 A1 EP 2123364A1 EP 09159380 A EP09159380 A EP 09159380A EP 09159380 A EP09159380 A EP 09159380A EP 2123364 A1 EP2123364 A1 EP 2123364A1
Authority
EP
European Patent Office
Prior art keywords
dispenser
pump chamber
valve
pumping
outlet 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.)
Granted
Application number
EP09159380A
Other languages
German (de)
French (fr)
Other versions
EP2123364B3 (en
EP2123364B1 (en
Inventor
Karlheinz Hummel
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.)
Aptar Villingen GmbH
Original Assignee
Megaplast GmbH
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Publication date
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Publication of EP2123364A1 publication Critical patent/EP2123364A1/en
Application granted granted Critical
Publication of EP2123364B1 publication Critical patent/EP2123364B1/en
Publication of EP2123364B3 publication Critical patent/EP2123364B3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • 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
    • B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve

Definitions

  • the invention relates to a dispenser for flowable to pasty masses with an outlet valve having a pumping chamber, wherein the pumping chamber consists of a pumping chamber upper part and a pumping chamber lower part, which are to be moved for a pumping operation relative to each other.
  • the invention has the object of providing a dispenser, as stated above, to design so that, at least in certain stresses such as vibrations, as possible no unwanted mass leakage takes place.
  • an actuating part is provided for acting on the pump chamber upper part and the control part is connected to the actuating part.
  • the action on the actuating part thus causes at the same time - and also first, before the pumping process is carried out - an action on the outlet valve. A special operation is not required. For the user, this leading effect on the exhaust valve need not appear at all.
  • the actuating part may be a dispenser head part.
  • the dispenser head portion is depressed and this then preferably first the modulation of the outlet valve causes in the release position and then the pumping operation, ie the discharge of the mass from a donor mouth of the donor.
  • control part is formed as a mandrel connected to the actuating part. This makes it possible in a simple manner, in particular if, as is preferred, the mandrel extends vertically, to transmit the actuating force to the outlet valve. It is also a space-saving design achieved. It is also preferred that the control part does not yet act on the outlet valve during the first movement of the actuating part, but that an idle stroke is arranged upstream. This is achieved for example by a distance measure between the tip of the example mandrel and the outlet valve.
  • the outlet valve can be arranged in the pump chamber upper part, which is preferably designed to be movable relative to a preferably fixed pump chamber lower part.
  • the outlet valve is thus directly associated with the dispenser head part, which is correspondingly favorable, if this is also formed as the actuating part.
  • the pump chamber upper part can be further Wegverlagerbar by means of the control part.
  • a restoring spring which is preferably provided in the dispenser to move the pump chamber parts apart again after a collapse, does not act on the pump chamber upper part, but on the dispenser part, which has the control part, ie approximately on the dispenser head part.
  • the control part which may be zuggekoppelt in this respect to the pumping chamber upper part, can then be brought about after a collapse of the chamber parts to carry out a pumping movement, the return of the pump chamber shell.
  • the outlet valve is in a further detail preferably designed so that it is pressed without displacement into the outlet position in a movement of the pump chamber parts to each other by located in the pumping chamber under pressure mass in its closed position. So it does not just shut down as long as it does is not driven, the pumping chamber, but approximately in it, for example, due to shocks, building up pressure at the same time reinforces the closing action of the exhaust valve.
  • the outlet valve has a valve disk and a valve stem, wherein the valve stem is arranged facing away from the valve disk in the discharge direction.
  • a dispenser 1 which is provided for dispensing flowable to pasty masses, for example creams of a cosmetic nature or else, for example, for dispensing toothpaste.
  • the dispenser 1 has a dispensing head 2, which in the illustration in Fig. 1 is covered by a protective cap 3.
  • the cap 3 is by means of a Spenderkopfunterteil 4 trained Rastwülsten 5 rastgehaltert on the dispenser head.
  • the dispenser head lower part 4 also forms in one piece the pump chamber lower part 6, which consists of an upwardly open cylinder section.
  • the cylinder portion has upper-side inwardly directed overlapping projections 7, which limit the return stroke movement of the pump chamber upper part 8, as will be explained later.
  • a return spring in the form of a bellows 9 is arranged on the outside of the pump chamber lower part.
  • the bellows 9 is located on the outside of the pump chamber lower part.
  • On the upper side it is supported on an underside of a dispenser head part 11.
  • the dispenser head part 11 is guided on the inside of a guide section 12 formed concentrically with the pump chamber lower part 6 on the dispenser head lower part 4.
  • This guide portion 12 has the Ausfahrbegrenzung, in basically the same way as the pumping chamber lower part 6, inwardly projecting projections 13, which may also be formed as a peripheral edge.
  • a dispensing tube 14 is formed which terminates in a dispensing mouth 15. This is directed to the side.
  • the dispenser head part 11 has further on the inside, also inside to the upper portion of the pump bellows 9, a cylindrical guide portion 16 in which the pumping chamber upper part 17 is guided.
  • the pump chamber upper part 17 is composed in detail of a piston part 18, a receiving part 19 and the exhaust valve 20 which is held between the piston part 18 and the receiving part 19.
  • the piston part 18 has on its underside a piston portion 21 which is arranged telescopically on the inside of the cylinder portion of the pump chamber lower part 6.
  • an inlet valve 22 is further arranged, which is latched by a holding part 23 in the dispenser head lower part 4.
  • Both the inlet valve 22, as well as the outlet valve 20 are made of a soft plastic.
  • a valve plate 24 is provided in the inlet valve 22, which at negative pressure, ie upon return stroke movement of the pump chamber upper part 8 (FIG. Fig. 3 ) in the pumping chamber 25 lifts off from the valve counter-area 26 formed by the latching part and allows mass to enter from the storage space 27 into the pumping chamber.
  • the valve disk 22 is connected to a mounting portion 28 of the inlet valve 22 via connecting arms, not shown in detail.
  • the outlet valve 20 also has a cylindrical mounting portion 29, which is arranged on the inside of the receiving part 19. He is also covered by the piston part 18 below and inside.
  • valve disk 31 is sealingly connected to the receiving part 19 by means of an upper edge 33.
  • valve stem 34 By means of an integrally formed on the valve plate 31 valve stem 34 he projects into an upper tapered cylinder portion of the receiving part 19 a.
  • a downwardly directed mandrel 35 is further formed on the inside, which is aligned axially with the valve stem 34.
  • the mandrel 35 is arranged at a vertical distance with respect to its free end to the upper free end of the valve stem 34. This results in depressing the dispenser head part 11 a corresponding way, which is still associated with no influence on the exhaust valve 20.
  • the mandrel 35 has a bead-like thickening 36 on the underside, which prevents withdrawal from the through hole 37 in the receiving part 19, through which the mandrel 35 extends therethrough. At the same time this allows the retraction of the pump chamber upper part after a depression, as further described below.
  • the dispenser head part 11 Upon actuation of the dispenser by pressing on the dispenser head part 11, the dispenser head part 11 first moves downward when the pump bellows 9 is deflected, until the end face of the mandrel 35 comes into contact with the facing end face of the valve shaft 34. As the stroke continues, the dispenser head portion 11 pushes the outlet valve downward by means of the spike 35 and the valve stem 34, such that the valve disc 31 releases a passageway from the pumping chamber 25 into the dispensing tube 24.
  • the depression of the outlet valve is limited by a stop position of the guide portion 16 on an associated outer shoulder 38 of the receiving part 19, see Fig. 2 , When the abovementioned stop is reached, a further reduction of the pumping head part 11, a reduction of the pumping chamber 25 and concomitantly a discharge of mass from the pumping chamber 25 through the dispensing tube 14 and the mouth 15.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)

Abstract

The dispenser (1) has a pump chamber (25) with a movable upper pump chamber part (8) and a fixed lower pump chamber part (6), where the chamber parts are movable relative to one another for a pumping process. An outlet valve (20) is arranged on the pump chamber, and a mandrel (35) moves the outlet valve into a release position before beginning the pumping process. A dispenser head part (11) acts on the upper pump chamber part, and the mandrel is connected with the dispenser head part. The mandrel moves the upper pump chamber part from a final pumping position into a starting pumping position.

Description

Die Erfindung betrifft einen Spender für fließfähige bis pastöse Massen mit einer ein Auslassventil aufweisenden Pumpkammer, wobei die Pumpkammer aus einem Pumpkammeroberteil und einem Pumpkammerunterteil besteht, die für einen Pumpvorgang relativ zueinander zu bewegen sind.The invention relates to a dispenser for flowable to pasty masses with an outlet valve having a pumping chamber, wherein the pumping chamber consists of a pumping chamber upper part and a pumping chamber lower part, which are to be moved for a pumping operation relative to each other.

Derartige Spender sind bereits in vielfältiger Ausgestaltung bekannt geworden. Es wird beispielsweise auf die EP 520315 A1 verwiesen.Such dispensers have already become known in various designs. It is for example on the EP 520315 A1 directed.

Bei dem bekannten Spender erfolgt bei einer, etwa durch eine Erschütterung oder dergleichen ausgelösten Bewegung der Pumpkammerteile zueinander mitunter ein nicht gewünschter Massenaustritt. Man kennt hierzu zwar bereits Transportsicherungen, bei denen aber jeweils eine entsprechende Verstellung am Spender vorzunehmen ist.In the case of the known dispenser, a movement of the pump chamber parts, which is triggered by a vibration or the like, is sometimes accompanied by an undesired mass exit. Although this already known transport safety devices, but in each case a corresponding adjustment to make the dispenser.

Ausgehend von dem dargestellten Stand der Technik beschäftigt sich die Erfindung mit der Aufgabe, einen Spender, wie eingangs angegeben, so auszugestalten, dass, jedenfalls bei gewissen Beanspruchungen wie etwa Erschütterungen, möglichst kein ungewollter Massenaustritt stattfindet.Starting from the illustrated prior art, the invention has the object of providing a dispenser, as stated above, to design so that, at least in certain stresses such as vibrations, as possible no unwanted mass leakage takes place.

Eine mögliche Lösung dieser Aufgabe ist nach einem ersten Erfindungsgedanken durch den Gegenstand des Anspruches 1 gegeben, wobei in diesem Fall darauf abgestellt ist, dass das Auslassventil vor Beginn eines Pumpvorgangs mittels eines Steuerteils in eine Freigabestellung zu verlagern ist. Das Auslassventil wird also nicht wie üblich durch die Masse selbst verlagert, sondern muss zunächst aktiv in eine Freigabestellung verlagert werden. Diese Verlagerung in die Freigabestellung muss vorgeschaltet zu jedem Pumpvorgang erfolgen. Dies beinhaltet zugleich, dass ansonsten, nach Beendigung des Pumpvorgangs, das Auslassventil sich in einer Sperrstellung befindet. Es ist eine zwangsläufige Abfolge bei der Durchführung eines Pumpvorgangs gegeben, dass erst, zu Beginn des Pumpvorgangs, das Auslassventil über einen besonderen Vorgang in eine Freigabestellung zu verlagern ist. Eine Erschütterung des Spenders insgesamt oder eine nur leichte Berührung eines grundsätzlich zur Durchführung eines Pumpvorganges an dem Spender zu betätigenden Teils führt noch nicht zu einem Masseaustritt.A possible solution to this problem is given by the subject matter of claim 1 according to a first inventive idea, wherein in this case it is aimed at the fact that the exhaust valve is to be moved before the start of a pumping operation by means of a control part in a release position. The exhaust valve is therefore not displaced as usual by the mass itself, but must first be actively shifted to a release position. This shift to the release position must be made upstream of each pumping operation. This implies at the same time, that otherwise, after completion of the pumping process, the outlet valve is in a blocking position. There is an inevitable sequence in the implementation of a pumping action is that only at the beginning of the pumping operation, the exhaust valve is to move over a special process in a release position. A vibration of the donor in total or only a light touch of a basically to perform a pumping operation on the dispenser to be actuated part does not lead to a mass leak.

Weitere Merkmale der Erfindung sind nachstehend, auch in der Figurenbeschreibung, oftmals in ihrer bevorzugten Zuordnung zu dem bereits vorstehend erläuterten Anspruchskonzept beschrieben, sie können aber auch in einer Zuordnung zu nur einem oder mehreren einzelnen Merkmalen dieses Anspruchskonzeptes oder unabhängig oder in einem anderen Gesamtkonzept von Bedeutung sein.Further features of the invention are described below, also in the description of the figures, often in their preferred assignment to the claim concept already explained above, but they can also be assigned to only one or more individual features of this claim concept or independently or in another overall concept of importance be.

So ist es besonders bevorzugt, dass für eine Einwirkung auf das Pumpkammeroberteil ein Betätigungsteil vorgesehen ist und das Steuerteil mit dem Betätigungsteil verbunden ist. Die Einwirkung auf das Betätigungsteil bewirkt damit zugleich - und auch zunächst, vor Durchführung des Pumpvorgangs -, eine Einwirkung auf das Auslassventil. Ein besonderer Betätigungsvorgang ist nicht erforderlich. Für den Benutzer braucht diese voreilende Einwirkung auf das Auslassventil gar nicht in Erscheinung zu treten.Thus, it is particularly preferred that an actuating part is provided for acting on the pump chamber upper part and the control part is connected to the actuating part. The action on the actuating part thus causes at the same time - and also first, before the pumping process is carried out - an action on the outlet valve. A special operation is not required. For the user, this leading effect on the exhaust valve need not appear at all.

Weiterhin kann das Betätigungsteil ein Spenderkopfteil sein. Zur Benutzung wird das Spenderkopfteil heruntergedrückt und hierbei dann bevorzugt zunächst die Aussteuerung des Auslassventils in die Freigabestellung bewirkt und im Weiteren dann der Pumpvorgang, d.h. das Ausbringen der Masse aus einer Spendemündung des Spenders.Furthermore, the actuating part may be a dispenser head part. For use, the dispenser head portion is depressed and this then preferably first the modulation of the outlet valve causes in the release position and then the pumping operation, ie the discharge of the mass from a donor mouth of the donor.

Besonders bevorzugt ist, dass das Steuerteil als mit dem Betätigungsteil verbundener Dorn ausgebildet ist. Hiermit lässt sich in einfacher Weise, insbesondere wenn, wie bevorzugt, der Dorn sich vertikal erstreckt, die Betätigungskraft auf das Auslassventil übertragen. Es ist auch eine raumsparende Gestaltung erreicht. Es ist auch bevorzugt, dass das Steuerteil noch nicht bei erster Bewegung des Betätigungsteils auf das Auslassventil einwirkt, sondern dass ein Leerhub vorgeschaltet ist. Dies wird beispielsweise erreicht durch ein Abstandsmaß zwischen der Spitze des beispielsweise Dorns und dem Auslassventil.It is particularly preferred that the control part is formed as a mandrel connected to the actuating part. This makes it possible in a simple manner, in particular if, as is preferred, the mandrel extends vertically, to transmit the actuating force to the outlet valve. It is also a space-saving design achieved. It is also preferred that the control part does not yet act on the outlet valve during the first movement of the actuating part, but that an idle stroke is arranged upstream. This is achieved for example by a distance measure between the tip of the example mandrel and the outlet valve.

Weiter bevorzugt kann das Auslassventil in dem gegenüber einem bevorzugt feststehend ausgebildeten Pumpkammerunterteil bevorzugt beweglich ausgebildeten Pumpkammeroberteil angeordnet sein. Das Auslassventil ist damit unmittelbar zugeordnet dem Spenderkopfteil, was entsprechend günstig ist, wenn dieses zugleich als das Betätigungsteil ausgebildet ist.More preferably, the outlet valve can be arranged in the pump chamber upper part, which is preferably designed to be movable relative to a preferably fixed pump chamber lower part. The outlet valve is thus directly associated with the dispenser head part, which is correspondingly favorable, if this is also formed as the actuating part.

Das Pumpkammeroberteil kann weiter vermittels des Steuerteils rückverlagerbar sein. Dies ist dann vorteilhaft, wenn eine Rückstellfeder, die bevorzugt in dem Spender vorgesehen ist, um die Pumpkammerteile nach einem Zusammenfahren wieder auseinander zu bewegen, nicht auf das Pumpkammeroberteil einwirkt, sondern auf das Spenderteil, welches das Steuerteil aufweist, also etwa auf das Spenderkopfteil. Vermittels des Steuerteiles, das insoweit an das Pumpkammeroberteil zuggekoppelt sein kann, kann dann hierüber nach einem Zusammenfahren der Kammerteile zur Durchführung einer Pumpbewegung das Zurückfahren des Pumpkammeroberteils bewirkt werden.The pump chamber upper part can be further rückverlagerbar by means of the control part. This is advantageous if a restoring spring, which is preferably provided in the dispenser to move the pump chamber parts apart again after a collapse, does not act on the pump chamber upper part, but on the dispenser part, which has the control part, ie approximately on the dispenser head part. By means of the control part, which may be zuggekoppelt in this respect to the pumping chamber upper part, can then be brought about after a collapse of the chamber parts to carry out a pumping movement, the return of the pump chamber shell.

Das Auslassventil ist in weiterer Einzelheit bevorzugt so gestaltet, dass es ohne die Verlagerung in die Auslassstellung bei einer Bewegung der Pumpkammerteile zueinander durch in der Pumpkammer unter Druck befindliche Masse in seine Verschlussstellung gedrückt wird. Es verschließt also nicht nur, solange es nicht angesteuert ist, die Pumpkammer, sondern ein etwa sich darin, etwa auf Grund von Erschütterungen, aufbauender Druck verstärkt zugleich noch die Verschlusswirkung des Auslassventils.The outlet valve is in a further detail preferably designed so that it is pressed without displacement into the outlet position in a movement of the pump chamber parts to each other by located in the pumping chamber under pressure mass in its closed position. So it does not just shut down as long as it does is not driven, the pumping chamber, but approximately in it, for example, due to shocks, building up pressure at the same time reinforces the closing action of the exhaust valve.

In weiterer Einzelheit ist bevorzugt, dass das Auslassventil einen Ventilteller aufweist und einen Ventil-Schaft, wobei der Ventil-Schaft von dem Ventilteller in Ausgaberichtung weisend angeordnet ist.In further detail, it is preferred that the outlet valve has a valve disk and a valve stem, wherein the valve stem is arranged facing away from the valve disk in the discharge direction.

Nachstehend ist die Erfindung weiter anhand der beigefügten Zeichnung erläutert, die aber lediglich ein Ausführungsbeispiel der Erfindung darstellt. Hierbei zeigt:

Fig.
1 einen Querschnitt durch einen auf ein Tubenteil aufgesetzten Spenderkopf, überfangen von einer Schutzkappe in der unbetätigten Stellung;
Fig. 2
eine Darstellung gemäß Fig. 1, ohne Schutzkappe, in der betätigten Stellung; und
Fig. 3
eine Darstellung gemäß Fig. 1 bzw. Fig. 2, darstellend die Rückhubbewegung.
In the following, the invention will be explained further with reference to the accompanying drawing, which, however, represents only one embodiment of the invention. Hereby shows:
FIG.
1 shows a cross section through a dispenser head placed on a tube part, covered by a protective cap in the unactuated position;
Fig. 2
a representation according to Fig. 1 , without protective cap, in the actuated position; and
Fig. 3
a representation according to Fig. 1 respectively. Fig. 2 , representing the return stroke movement.

Dargestellt und beschrieben ist zunächst mit Bezug zu Fig. 1 ein Spender 1, der zur Ausgabe von fließfähigen bis pastösen Massen vorgesehen ist, beispielsweise Cremes kosmetischer Art oder aber auch beispielsweise zur Ausgabe von Zahnpasta.Shown and described is first with reference to Fig. 1 a dispenser 1, which is provided for dispensing flowable to pasty masses, for example creams of a cosmetic nature or else, for example, for dispensing toothpaste.

Der Spender 1 weist einen Spenderkopf 2 auf, der bei der Darstellung in Fig. 1 von einer Schutzkappe 3 überfangen ist. Die Schutzkappe 3 ist mittels an einem Spenderkopfunterteil 4 ausgebildeten Rastwülsten 5 an dem Spenderkopf rastgehaltert.The dispenser 1 has a dispensing head 2, which in the illustration in Fig. 1 is covered by a protective cap 3. The cap 3 is by means of a Spenderkopfunterteil 4 trained Rastwülsten 5 rastgehaltert on the dispenser head.

Das Spenderkopfunterteil 4 bildet zugleich einteilig das Pumpkammerunterteil 6 aus, das aus einem nach oben offenen Zylinderabschnitt besteht. Der Zylinderabschnitt weist oberseitig nach innen gerichtete Überfangvorsprünge 7 auf, welche die Rückhubbewegung des Pumpkammeroberteils 8, wie noch zu erläutern ist, begrenzen.The dispenser head lower part 4 also forms in one piece the pump chamber lower part 6, which consists of an upwardly open cylinder section. The cylinder portion has upper-side inwardly directed overlapping projections 7, which limit the return stroke movement of the pump chamber upper part 8, as will be explained later.

Außenseitig an dem Pumpkammerunterteil 6 ist eine Rückstellfeder in Form eines Federbalges 9 angeordnet. Mit einem Fußbereich 10 liegt der Federbalg 9 außenseitig an dem Pumpkammerunterteil an. Oberseitig stützt er sich an einer Unterseite eines Spenderkopfteils 11 ab.On the outside of the pump chamber lower part 6, a return spring in the form of a bellows 9 is arranged. With a foot region 10, the bellows 9 is located on the outside of the pump chamber lower part. On the upper side it is supported on an underside of a dispenser head part 11.

Das Spenderkopfteil 11 ist innenseitig eines an dem Spenderkopfunterteil 4 konzentrisch zu dem Pumpkammerunterteil 6 ausgebildeten Führungsabschnittes 12 geführt. Dieser Führungsabschnitt 12 weist zur Ausfahrbegrenzung, in grundsätzlich gleicher Weise wie das Pumpkammerunterteil 6, nach innen ragende Vorsprünge 13 auf, die auch als umlaufende Kante ausgebildet sein können.The dispenser head part 11 is guided on the inside of a guide section 12 formed concentrically with the pump chamber lower part 6 on the dispenser head lower part 4. This guide portion 12 has the Ausfahrbegrenzung, in basically the same way as the pumping chamber lower part 6, inwardly projecting projections 13, which may also be formed as a peripheral edge.

In dem Spenderkopfteil 11 ist ein Ausgaberöhrchen 14 ausgebildet, das in einer Spendemündung 15 ausläuft. Diese ist seitlich gerichtet.In the dispenser head part 11, a dispensing tube 14 is formed which terminates in a dispensing mouth 15. This is directed to the side.

Das Spenderkopfteil 11 weist weiter innenseitig, auch innen zu dem oberen Bereich des Pumpenbalges 9, einen zylindrischen Führungsabschnitt 16 auf, in dem das Pumpkammeroberteil 17 geführt ist.The dispenser head part 11 has further on the inside, also inside to the upper portion of the pump bellows 9, a cylindrical guide portion 16 in which the pumping chamber upper part 17 is guided.

Das Pumpkammeroberteil 17 setzt sich im Einzelnen aus einem Kolbenteil 18, einem Aufnahmeteil 19 und dem zwischen dem Kolbenteil 18 und dem Aufnahmeteil 19 gefassten Auslassventil 20 zusammen.The pump chamber upper part 17 is composed in detail of a piston part 18, a receiving part 19 and the exhaust valve 20 which is held between the piston part 18 and the receiving part 19.

Das Kolbenteil 18 weist unterseitig einen Kolbenabschnitt 21 auf, der innenseitig des Zylinderabschnittes des Pumpkammerunterteils 6 teleskopierbar angeordnet ist.The piston part 18 has on its underside a piston portion 21 which is arranged telescopically on the inside of the cylinder portion of the pump chamber lower part 6.

In dem Spenderkopfunterteil 4 ist weiterhin ein Einlassventil 22 angeordnet, das durch ein Halteteil 23 in dem Spenderkopfunterteil 4 rastgehaltert ist.In the dispenser head lower part 4, an inlet valve 22 is further arranged, which is latched by a holding part 23 in the dispenser head lower part 4.

Sowohl das Einlassventil 22, wie auch das Auslassventil 20 bestehen aus einem Weichkunststoff. Hierbei ist bei dem Einlassventil 22 ein Ventilteller 24 vorgesehen, der bei Unterdruck, d.h. bei Rückhubbewegung des Pumpkammeroberteils 8 (Fig. 3) in der Pumpkammer 25 von der durch das Rastteil gebildeten Ventilgegenfläche 26 abhebt und Masse aus dem Vorratsraum 27 in die Pumpkammer eintreten lässt. Der Ventilteller 22 ist über im Einzelnen nicht dargestellte Verbindungsarme mit einem Montageabschnitt 28 des Einlassventils 22 verbunden.Both the inlet valve 22, as well as the outlet valve 20 are made of a soft plastic. In this case, a valve plate 24 is provided in the inlet valve 22, which at negative pressure, ie upon return stroke movement of the pump chamber upper part 8 (FIG. Fig. 3 ) in the pumping chamber 25 lifts off from the valve counter-area 26 formed by the latching part and allows mass to enter from the storage space 27 into the pumping chamber. The valve disk 22 is connected to a mounting portion 28 of the inlet valve 22 via connecting arms, not shown in detail.

Das Auslassventil 20 weist gleichfalls einen zylinderförmigen Montageabschnitt 29 auf, der innenseitig des Aufnahmeteils 19 angeordnet ist. Er ist zugleich von dem Kolbenteil 18 unten und innen überfasst.The outlet valve 20 also has a cylindrical mounting portion 29, which is arranged on the inside of the receiving part 19. He is also covered by the piston part 18 below and inside.

In dem Montageabschnitt 29, der über einen Verjüngungsabschnitt 30 in einen Ventilteller 31 übergeht, sind, beim Ausführungsbeispiel in dem Verjüngungsabschnitt 30, Durchgangswege 32 für die Masse vorgesehen. Der Ventilteller 31 liegt vermittels eines oberen Randes 33 an dem Aufnahmeteil 19 dichtend an. Mittels eines an den Ventilteller 31 angeformten Ventil-Schaftes 34 ragt er in einen oberen verjüngten Zylinderabschnitt des Aufnahmeteils 19 ein.In the mounting portion 29, which merges via a taper portion 30 in a valve plate 31, are provided in the embodiment in the taper portion 30, passageways 32 for the mass. The valve disk 31 is sealingly connected to the receiving part 19 by means of an upper edge 33. By means of an integrally formed on the valve plate 31 valve stem 34 he projects into an upper tapered cylinder portion of the receiving part 19 a.

An dem Spenderkopfteil 11 ist weiterhin innenseitig ein nach unten gerichteter Dorn 35 ausgebildet, der axial mit dem Ventil-Schaft 34 fluchtet. In der unbetätigten Stellung gemäß Fig. 1 ist der Dorn 35 mit vertikalem Abstand hinsichtlich seines freien Endes zu dem oberen freien Ende des Ventil-Schaftes 34 angeordnet. Das erbringt beim Niederdrücken des Spenderkopfteils 11 einen entsprechenden Weg, dem noch keine Einwirkung auf das Auslassventil 20 zugeordnet ist.On the dispenser head part 11, a downwardly directed mandrel 35 is further formed on the inside, which is aligned axially with the valve stem 34. In the unconfirmed position according to Fig. 1 the mandrel 35 is arranged at a vertical distance with respect to its free end to the upper free end of the valve stem 34. This results in depressing the dispenser head part 11 a corresponding way, which is still associated with no influence on the exhaust valve 20.

Der Dorn 35 besitzt unterseitig eine wulstartige Verdickung 36, die ein Herausziehen aus der Durchgangsbohrung 37 in dem Aufnahmeteil 19, durch welches sich der Dorn 35 hindurcherstreckt, hindert. Zugleich ermöglicht dies das Zurückziehen des Pumpkammeroberteils nach einer Niederdrückung, wie weiter unten noch beschrieben.The mandrel 35 has a bead-like thickening 36 on the underside, which prevents withdrawal from the through hole 37 in the receiving part 19, through which the mandrel 35 extends therethrough. At the same time this allows the retraction of the pump chamber upper part after a depression, as further described below.

Bei einer Betätigung des Spenders durch Drücken auf das Spenderkopfteil 11 fährt zunächst bei Einfederung des Pumpbalges 9 das Spenderkopfteil 11 nach unten bis die Stirnfläche des Dorns 35 mit der zugewandten Stirnfläche des Ventil-Schaftes 34 in Berührung kommt. Bei einem Fortsetzen des Hubes drückt das Spenderkopfteil 11 vermittels des Dorns 35 und des Ventil-Schaftes 34 das Auslassventil nach unten, derart, dass der Ventilteller 31 einen Durchlass aus der Pumpkammer 25 in das Ausgaberöhrchen 24 freigibt. Das Niederdrücken des Auslassventils ist begrenzt durch eine Anschlagstellung des Führungsabschnittes 16 an einer zugeordneten äußeren Schulter 38 des Aufnahmeteils 19, siehe Fig. 2. Wenn der vorgenannte Anschlag erreicht ist, erfolgt im Weiteren, bei weiterem Niederdrücken des Spenderkopfteils 11, eine Verkleinerung der Pumpkammer 25 und damit einhergehend ein Austrag von Masse aus der Pumpkammer 25 durch das Spenderöhrchen 14 und die Mündung 15.Upon actuation of the dispenser by pressing on the dispenser head part 11, the dispenser head part 11 first moves downward when the pump bellows 9 is deflected, until the end face of the mandrel 35 comes into contact with the facing end face of the valve shaft 34. As the stroke continues, the dispenser head portion 11 pushes the outlet valve downward by means of the spike 35 and the valve stem 34, such that the valve disc 31 releases a passageway from the pumping chamber 25 into the dispensing tube 24. The depression of the outlet valve is limited by a stop position of the guide portion 16 on an associated outer shoulder 38 of the receiving part 19, see Fig. 2 , When the abovementioned stop is reached, a further reduction of the pumping head part 11, a reduction of the pumping chamber 25 and concomitantly a discharge of mass from the pumping chamber 25 through the dispensing tube 14 and the mouth 15.

Wenn der Betätigungsdruck von dem Spenderkopfteil 11 genommen wird, fährt das Spenderkopfteil 11 zufolge der Federwirkung des Pumpenbalges 9 zurück in Richtung seiner Ausgangsstellung gemäß Fig. 1. Ein solcher Zustand ist in Fig. 3 dargestellt. Hierbei ist auf Grund der Kopplung des Dornes 35 mit dem Aufnahmeteil 19 ein Zurückschleppen des Pumpkammeroberteils in die Ausgangsstellung gemäß Fig. 1 verbunden. Der Rückhub ist begrenzt durch ein Anschlagen des Pumpkammeroberteils 17 bzw. des Kolbenteils 18, konkret des Kolbenabschnittes 21, an dem Überfangvorsprung 7 bzw. der auf das Spenderoberteil 11 wirkenden Hubbegrenzung durch den Vorsprung 13.When the actuation pressure is taken from the dispenser head part 11, the dispenser head part 11 moves back according to the spring action of the pump bellows 9 in the direction of its initial position according to Fig. 1 , Such a condition is in Fig. 3 shown. In this case, due to the coupling of the mandrel 35 with the receiving part 19, a drag back of the pump chamber upper part in the starting position according to Fig. 1 connected. The return stroke is limited by abutment of the pump chamber upper part 17 or of the piston part 18, specifically of the piston portion 21, on the overlapping projection 7 or the stroke limit acting on the dispenser top 11 by the projection 13.

Alle offenbarten Merkmale sind (für sich) erfindungswesentlich. In die Offenbarung der Anmeldung wird hiermit auch der Offenbarungsinhalt der zugehörigen/beigefügten Prioritätsunterlagen (Abschrift der Voranmeldung) vollinhaltlich mit einbezogen, auch zu dem Zweck, Merkmale dieser Unterlagen in Ansprüche vorliegender Anmeldung mit aufzunehmen.All disclosed features are essential to the invention. The disclosure of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Spenderdonor
22
Spenderkopfdispenser head
33
Schutzkappeprotective cap
44
SpenderkopfunterteilDispenser head base
55
Rastwülstelatching beads
66
PumpkammerunterteilPumping chamber part
77
ÜberfangvorsprüngeFlashed projections
88th
PumpkammeroberteilPumping chamber top
99
Federbalg 9Bellows 9
1010
Fußbereich 10Foot area 10
1111
SpenderkopfteilDispenser head
1212
Führungsabschnittguide section
1313
Vorsprüngeprojections
1414
Ausgaberöhrchendischarge tube
1515
Spendemündungdispensing opening
1616
Führungsabschnittguide section
1717
PumpkammeroberteilPumping chamber top
1818
Kolbenteilpiston part
1919
Aufnahmeteilreceiving part
2020
Auslassventiloutlet valve
2121
Kolbenabschnittpiston section
2222
Einlassventilintake valve
2323
Halteteilholding part
2424
Ventiltellervalve disc
2525
Pumpkammerpumping chamber
2626
VentilgegenflächeValve mating surface
2727
Vorratsraumpantry
2828
Montageabschnittmounting portion
2929
Montageabschnittmounting portion
3030
Verjüngungsabschnitttapered section
3131
Ventiltellervalve disc
3232
DurchgangswegePassageways
3333
Oberer Randupper edge
3434
Ventil-Schaft-Valve stem
3535
Dornmandrel
3636
Verdickungthickening
3737
DurchgangsbohrungThrough Hole

Claims (8)

Spender (1) für fließfähige bis pastöse Massen mit einer ein Auslassventil (20) aufweisenden Pumpkammer (25), wobei die Pumpkammer (25) aus einem Pumpkammeroberteil (17) und einem Pumpkammerunterteil (6) besteht, die für einen Pumpvorgang relativ zueinander zu bewegen sind, dadurch gekennzeichnet, dass das Auslassventil (20) vor Beginn eines Pumpvorgangs mittels eines Steuerteils in eine Freigabestellung zu verlagern ist.Dispenser (1) for flowable to pasty masses with an outlet valve (20) having pumping chamber (25), wherein the pumping chamber (25) consists of a pumping chamber upper part (17) and a pumping chamber lower part (6) to move for a pumping operation relative to each other are, characterized in that the outlet valve (20) is to be moved before the start of a pumping operation by means of a control part in a release position. Spender nach Anspruch 1 oder insbesondere danach, dadurch gekennzeichnet, dass für eine Einwirkung auf ein Pumpkammeroberteil (17) ein Betätigungsteil vorgesehen ist und dass das Steuerteil mit dem Betätigungsteil verbunden ist.Dispenser according to claim 1 or in particular according thereto, characterized in that for an action on a pump chamber upper part (17) an actuating part is provided and that the control part is connected to the actuating part. Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Betätigungsteil ein Spenderkopfteil (11) ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the actuating part is a dispenser head part (11). Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Steuerteil als mit dem Betätigungsteil verbundener Dorn (35) ausgebildet ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the control part is formed as a mandrel (35) connected to the actuating part. Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Auslassventil (20) in einem gegenüber einem feststehenden Pumpkammerunterteil (6) beweglichen Pumpkammeroberteil (17) angeordnet ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the outlet valve (20) is arranged in a pump chamber upper part (17) which is movable relative to a fixed pump chamber lower part (6). Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Pumpkammeroberteil (17) vermittels des Steuerteils aus einer Pump-Endstellung in eine Pump-Anfangsstellung zurückverlagerbar ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the pump chamber upper part (17) is zurückverlagerbar by means of the control part from a pump end position in a pump-start position. Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Auslassventil (20) ohne die Verlagerung in die Freigabestellung bei einer Bewegung der Pumpkammerteile (17, 6) zueinander durch die in der Pumpkammer (25) unter Druck befindliche Masse in seine Verschlussstellung gedrückt ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the outlet valve (20) without the displacement in the release position upon movement of the pumping chamber parts (17, 6) to each other by the in the pumping chamber (25) under pressure mass in its closed position is pressed. Spender nach einem der vorhergehenden Ansprüche, oder insbesondere danach, dadurch gekennzeichnet, dass das Auslassventil (20) einen Ventilteller (31) aufweist und einen Ventil-Schaft (34), wobei der Ventil-Schaft (34) von dem Ventilteller (31) in Ausgaberichtung weisend angeordnet ist.Dispenser according to one of the preceding claims, or in particular according thereto, characterized in that the outlet valve (20) comprises a valve plate (31) and a valve stem (34), wherein the valve stem (34) of the valve plate (31) in Issue direction is arranged facing.
EP09159380.6A 2008-05-19 2009-05-05 Dispenser with shock-proof valve Active EP2123364B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008024181.4A DE102008024181B4 (en) 2008-05-19 2008-05-19 donor

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US (1) US8205772B2 (en)
EP (1) EP2123364B3 (en)
AT (1) ATE512723T1 (en)
DE (1) DE102008024181B4 (en)

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GB0603416D0 (en) * 2006-02-20 2006-03-29 Rieke Corp Dispensers e.g. for cosmetics
FR2948343A1 (en) * 2009-07-22 2011-01-28 Rexam Dispensing Smt PUSH BUTTON FOR A SYSTEM FOR DISTRIBUTING A PRESSURIZED PRODUCT
MX2013004380A (en) * 2010-10-20 2013-12-06 Meadwestvaco Calmar Inc Precompression pump mechanisms.
KR101378369B1 (en) * 2011-06-14 2014-03-27 (주)연우 Pumping type cosmetic vessel
DE102012107679A1 (en) 2012-08-21 2014-02-27 Megaplast Gmbh Dispenser has wall portion that is formed of metallocene polyethylene material, and main portion which is provided with pumping chamber, material duct and bottom storage unit at which predetermined amount of testosterone is received
KR101805595B1 (en) * 2017-08-23 2017-12-07 변영광 Case for liquid state cosmetics
KR101966742B1 (en) 2017-10-24 2019-04-08 변영광 Case for liquid state cosmetics
GB2587372B (en) * 2019-09-25 2022-09-07 Berlin Packaging Uk Ltd Improved fluid dispensers
KR20230016056A (en) 2020-05-29 2023-01-31 알피씨 브램라지 게엠베하 pump for dispensing fluid

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DE78276C (en) * C. allemann, Hamburg-Hammerbrook, Albertstr. 8 Squirt bottle
EP0520315A1 (en) 1991-06-22 1992-12-30 Raimund Andris GmbH & Co. KG Metering pump dispenser for liquid or pasty products
US20010054623A1 (en) 2000-02-23 2001-12-27 Philippe Bonningue Pump including a spring-forming diaphragm, and a receptacle fitted therewith
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US20080093386A1 (en) 2006-10-23 2008-04-24 Arminak & Associates, Inc. Foamer pump

Also Published As

Publication number Publication date
EP2123364B3 (en) 2013-09-25
DE102008024181A1 (en) 2009-11-26
EP2123364B1 (en) 2011-06-15
US20090283548A1 (en) 2009-11-19
DE102008024181B4 (en) 2016-03-03
US8205772B2 (en) 2012-06-26
ATE512723T1 (en) 2011-07-15

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