EP1015340B1 - Dispenser - Google Patents

Dispenser Download PDF

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Publication number
EP1015340B1
EP1015340B1 EP98947545A EP98947545A EP1015340B1 EP 1015340 B1 EP1015340 B1 EP 1015340B1 EP 98947545 A EP98947545 A EP 98947545A EP 98947545 A EP98947545 A EP 98947545A EP 1015340 B1 EP1015340 B1 EP 1015340B1
Authority
EP
European Patent Office
Prior art keywords
dispenser
pump
storage container
dispenser pump
section
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
EP98947545A
Other languages
German (de)
French (fr)
Other versions
EP1015340A1 (en
Inventor
Willi Lorscheidt
Matthias Prox
Manuel Czech
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.)
RPC Wiko GmbH and Co KG
Original Assignee
RPC Wiko GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RPC Wiko GmbH and Co KG filed Critical RPC Wiko GmbH and Co KG
Publication of EP1015340A1 publication Critical patent/EP1015340A1/en
Application granted granted Critical
Publication of EP1015340B1 publication Critical patent/EP1015340B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • 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
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—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
    • B05B11/02—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 dispensers that work on the pumping principle.
  • a pump device for a dispenser is modular Known design, with a specially designed mounting ring allows that the pumping device can be used for various applications, e.g. H. various Storage containers with various fastening devices and storage volumes can be used.
  • the invention is therefore based on the object of being versatile To create a dispenser pump. Furthermore, the invention is based on the object specify a corresponding dispenser and a modular dispenser system.
  • the limiting devices preferably come at maximum pump chamber volume against each other, to limit the relative movement between the piston body and the cylinder body over a maximum pump chamber volume out.
  • By designing the limiting devices on the piston and Cylinder bodies can have additional holding parts, as is often the case in the prior art be used, avoided. This makes the part variety of the dispenser pump reduced, so that fewer parts are stocked and assembly is more efficient is made possible.
  • the limiting devices continue to serve as well To prevent the pump from falling apart.
  • the piston body and the cylinder body are preferably interlocking in a bell shape trained and form the modular dispenser pump.
  • the limiting tabs limit the maximum pump chamber volume.
  • Through the bell-shaped Training results in a capsule-like structure of the dispenser pump, which contributes to a reduction in the construction volume.
  • the so trained Dispenser pumps can be used with a variety of different dispensers.
  • the total length of the dispenser pump is compressed in the axial direction Condition shorter than when extended with maximum pump chamber volume.
  • the dispenser pump can be used for both dispensers where the mouth opening is moved when a donation button is pressed, as well as in those dispensers in which the mouth opening cannot be moved.
  • the two non-return valves are preferably in the form of annular gap valves formed with a ring-like valve body. This enables an even one Inflow of medium into the pumping chamber or an output channel so that it especially with pasty media not to asymmetrical dead areas in the flow path comes.
  • the limiting devices on the piston body and cylinder body as projections on each other Opposite walls designed to improve leadership and to prevent the piston-cylinder arrangement from tilting with the opposite one Sliding wall. This will make it usable for a long time the reusable dispenser pump.
  • a donor for the delivery of flowable, for example liquid and / or pasty media dissolved with a Storage container with a storage chamber for holding the medium to be dispensed, a head piece with a donation mouth, and a pump device with a pump chamber delimited on the inlet and outlet side by check valves, wherein the pump device is designed as a modular dispenser pump and with the Headpiece and / or the storage container via snap or screw connections is connectable.
  • a donor for the delivery of flowable, for example liquid and / or pasty media dissolved with a Storage container with a storage chamber for holding the medium to be dispensed, a head piece with a donation mouth, and a pump device with a pump chamber delimited on the inlet and outlet side by check valves, wherein the pump device is designed as a modular dispenser pump and with the Headpiece and / or the storage container via snap or screw connections is connectable.
  • the dispenser pump and the head piece is the dispenser pump can be assembled separately from the other parts, so that they are subsequently more efficient Way can be assembled with the dispenser container and the head piece.
  • the dispenser container is preferably cylindrical Body formed, the top opening at the top over the entire Storage chamber cross section extends.
  • the storage chamber limiting trailing piston or an insert container with trailing piston be inserted into the storage container from the top.
  • a subsequent one Filling can then be carried out from this side, so that all assembly steps are carried out from the same side of the storage tank can.
  • the dispenser is assembled Condition the head piece attached directly to the storage container. This can be avoided that external forces acting on the head piece immediately be transferred to the dispenser pump. It can also be between the head piece and the storage container realize a greater fastening force than if that Headpiece would be attached directly to the dispenser pump since it can be reused of the donor, i.e. when replacing the storage tank or replacing it Filling and when loosening the head piece no risk of damage to the Dispenser pump exists.
  • the fastening force between the head piece and the storage tank can therefore be chosen larger, so that a high security against the There is a loss of the head piece.
  • the separate dispenser pump preferably has at least one fastening projection on that in the assembled state against the storage container and that Head piece comes to the plant. This will make the dispenser pump go without the headpiece or to be firmly connected to the storage container in its position in the dispenser established. This leads to a considerable simplification in the assembly, since the Dispenser pump only inserted between the storage container and the head piece must be, however, fixing the position by attaching the head piece the storage container. As an alternative to this, the one arranged on the storage chamber side Part of the dispenser pump can also be attached to the storage container itself.
  • the dispenser one is in the storage container arranged bellows surrounding the medium to be dispensed. With that stands the donation Medium no longer directly in with the inner wall of the storage container Contact. Rather, the storage chamber is provided in the bellows. this makes possible simple and clean filling and in particular refilling the storage tank.
  • a modular dispenser system that consists of head pieces, storage tanks and at least one pump device or dispenser pump, with a head piece, a storage container and a dispenser pump together form a dispenser with different head pieces can be combined with the same pumping device.
  • the dispenser in Figure 1 is composed of a storage container 1, a head piece 2 and a pumping device or dispenser pump 3 together.
  • the storage container 1 is formed as a substantially cylindrical body in which a storage chamber 5 is provided.
  • the bottom of this storage chamber is a trailing piston 4 limited.
  • At the head end of the storage container there is an upper opening 6 provided, in which the dispenser pump 3 can be used.
  • the trailing piston 4 can be inserted through the upper opening 6 into the storage container.
  • the filling of the storage container shown also takes place through the upper opening 6.
  • the embodiment shown is the bottom of the storage container through a wall closed, in which only one vent opening is provided.
  • the storage container can be designed in a conventional manner without a bottom wall be, then the filling of the storage container and the insertion of the Trailing piston 4 is carried out from the bottom side.
  • the interior of the storage container 1 is in the axial direction by a head Limited outer wall of the dispenser pump 3.
  • This dispenser pump is in detail Fig.2 shown. It has a piston body 10 with a piston section 11 and a cylinder body 20 with a cylinder section 21. Here is the piston section 11 slidably received in the cylinder section 21, wherein between both a pump chamber 30 is formed.
  • This pump chamber connects an input channel 24 and an outlet channel 14.
  • a reset device preferably a cylinder spring so arranged that the piston body 10 and that the cylinder body 20 in the direction of an enlargement of the pumping chamber to look for a pump stroke, in which the pump chamber volume is reduced, the pump chamber 30 refill.
  • a cylinder spring 40 others can elastic elements can be used as a reset device.
  • limiting devices are provided, which at maximum Pump chamber volumes come into contact with each other.
  • the limiting devices as projections 12, 22 on opposite ones Walls 13, 23 of the piston body 10 and the cylinder body 20 educated. These projections 12, 22 are each with the opposite one Wall in sliding engagement to guide the piston portion 11 on the cylinder portion 21 to stabilize.
  • the projections 12, 22, which are also used, for example, as a ring projection can prevent the dispenser pump from falling apart 3.
  • Their ramp-like design enables easy assembly of the piston body 10 and the cylinder body 20 by simply plugging them together, whereby the ramps snap in one after the other.
  • the piston body 10 and the cylinder body 20 are each bell-shaped. They engage with each other and together limit the dispenser pump outwards so that a capsule-like housing is formed.
  • By providing the projections 12, 22 on radial walls 13, 23 cause a relative displacement of the Piston body against the cylinder body to shorten the axial length of the Pump in the compressed state, i.e. with minimal pump chamber volume.
  • Fastening projection 25 is provided, for example, as an annular projection can be trained. This fastening projection serves to fix the position of the Dispenser pump 3 in the installed state between the head piece 2 and the storage container 1.
  • the check valves (31, 32) formed as annular gap valves with an annular valve body 35, 35 ', each one Annular gap 36.36 'of the input or output channel 14.24 covered. That in that Check valve 32 arranged in inlet channel 24 is supported by a retaining ring 34 the cylinder body 20 set.
  • the check valve 31 on the output channel side 14 is on the piston section 11, here as a separate one, on an outlet channel section attached piston 11 'is formed, supported.
  • the dispenser pump 3 is not based on radial symmetry limited, but can also, for example, for example, have a square or polygonal shape.
  • Ringspait valves shown can also other known check valves, for example flap valves can be used.
  • piston 11 ′ can be formed in one piece with the piston body 10 become. Also a kinematic reversal of the dispenser pump 3 with one reversal the opening direction of the check valves is possible.
  • the fastening protrusions 25 are then to be attached to the fixed part. All parts to be connected are preferably a snap connection designed so that easy assembly by axial plugging together is made possible, which can also be automated.
  • the movable part 7 has a donation channel that leads to an opening.
  • an automatically closing one at the mouth opening Sealing lip valve is provided, which prevents the ingress of foreign particles prevents the donation channel.
  • the movable part 7 is on the holding element 8 in the axial direction of the dispenser, which is parallel to the axial direction of the dispenser pump runs, arranged movably and against being pulled out in FIG. 1 secured upwards.
  • the holding element 8 has on its storage tank side End of a fastening section, via which this is attached to a fastening section attached in the region of the upper opening 6 of the storage container 1 can be.
  • the dispenser pump 3 can therefore be placed loosely on the storage container 1 become.
  • the attachment then takes place simultaneously with the attachment of the Head piece 2 on the storage container 1, for which purpose preferably a snap connection is used, which is a simple press on the head piece allowed the storage container.
  • the fastening device is detachable, to reuse the donor head, d. H. Dispenser pump 3 and enable head piece 2.
  • the first embodiment is not a form-fitting fastening device between the dispenser pump 3 and the storage container 1 and the dispenser pump 3 and the head piece 2 required.
  • dispensing channel of the movable part is connected to the dispensing channel 14 of the dispenser pump 3 connected by the attachment of the head piece 2 to the storage container 1, however, forces are exerted on the head piece from outside Storage tank 1 removed.
  • FIGS. 3 to 7 A further exemplary embodiment is shown in FIGS. 3 to 7, the in FIGS Figures 6 and 7 head pieces shown are interchangeable.
  • the dispenser in FIG. 3 is basically constructed in the same way as the dispenser in FIG. 1, so that in the following only the differences to that shown in Fig.1 Donor is received.
  • the dispenser pump 3 of the second embodiment has instead of the fastening projection 25 of the cylinder body 20 a bell-like mounting flange 125 on the cylinder body 120, which is the actual pump capsule radially surrounds.
  • the fastening flange 125 has a stop 126 on its circumference and a fastening section 127, via which the dispenser pump 3 in the area the upper opening 106 of the storage container can be fastened.
  • a further fastening section 128 is provided on the side of the stop 126, via the cap 109 surrounding the actual head piece 102 detachably the dispenser pump 3 can be attached.
  • a first head piece 102 that can be used with the dispenser pump is shown in FIG. This has an essentially cap-like shape, one on the end face 102a Mouth opening 102d is provided by an automatically closing Valve is protected against the ingress of foreign bodies.
  • To the mouth opening 102b carries a donation channel 102c which, when the head piece is attached, to the output channel 114 of the dispenser pump is coupled.
  • a second header 202 is shown in Figure 7.
  • This also cap-shaped Headpiece 202 has an applicator 202a, which is opposite to the axial direction of the donor is inclined.
  • At one end of applicator 202a is an orifice 202b provided through a donation channel 202c with the output channel 114 of the dispenser pump is connected.
  • the head piece serves simultaneously as a dispenser button.
  • the dispenser pump shown in Figure 4 can, however, with any Kop Fantasy known design can be coupled as long as the connection dimensions between the a dispensing channel of the head piece and the dispensing channel 114 match.
  • the storage container 101 can, as shown in the first embodiment, with a trailing piston 104-run, the medium to be dispensed directly is filled into the storage chamber.
  • a bellows 150 is used, which receives the medium to be dispensed.
  • the storage container 101 primarily serves to protect the bellows 150, which is preferably used as a bellows is performed.
  • the bellows 150 is through the upper opening 106 into the storage container usable and also has a holding section 151 with which the Bellows can be fixed on the storage container 101.
  • the holding section is preferably 151 formed as a separate retaining ring, which is connected via a snap connection attached a connecting piece 152 of the bellows 150 and another Snap connection is releasably attached to the storage container 101.
  • the connecting piece 152 of bellows 150 closes when the dispenser is assembled sealingly to the input channel 124 of the dispenser pump.
  • On the connector opposite side of the bellows has a bottom flange 154 which here takes over the function of the trailing piston.
  • the bottom flange 154 has one flexible, radially outer ring section 155 to which the radial boundary wall of the bellows.
  • pre-embossed folds 156 are provided on the radial wall. This prevents that under unfavorable circumstances the radial wall the connection piece 152 closes early.
  • This modular structure shown in FIG. 8 enables in the form of a modular dispenser system individual adaptation of the donor to different products, without having to develop a completely new donor. That's the way it is easily possible, a donor without further ado to the medium to be donated desired delivery rate per donation stroke or the storage volume in the storage container adapt.
  • the head piece can with respect to the direction of the donation mouth as well the use of muzzle valves can be individually adapted to the need.
  • the headers are not limited to those where the donation mouth is moved with a donation button, but also include such to whom the donation mouth is certain.
  • the one consisting of head pieces, storage containers and at least one dispenser pump Dispenser system therefore makes it possible to have several head pieces 2,102,202 to combine the same dispenser pump. Different storage containers can do the same can be combined with the dispenser pump.
  • the head pieces can be directly on Storage containers are designed to be attachable.
  • the individual modules of the donor system can according to the dispenser pumps claimed by this application or dispensers and their components are not, however limited to this.
  • the dispenser pump 3 of the modular dispenser system is, depending on the size or Diameter of the storage tank, adjustable. To do this, you only have to one cylinder body 20 through another cylinder body 120 with a mounting flange 125 can be replaced. All other components of the dispenser pump 3 can can be used with one as with the other cylinder body.
  • All components of the dispenser pump, the dispenser and the modular dispenser system are preferred as injection molded parts, also made of recyclable plastic.
  • the reset device can also be selected from a different material.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Fats And Perfumes (AREA)

Abstract

A dispensing pump implemented as modular functional unit comprises a piston body (10) having a piston section (11) and a cylinder body (20) having a cylinder section (21). The piston section (11) is slidably accommodated in the cylinder section (21). Both said elements define a pump chamber (30) together. An inlet channel (24) and an outlet channel (14) are connected via the pump chamber (30). A respective check valve (31, 32) is arranged in each of said channels (14, 24). Limiting devices (12, 22), which are adapted to be brought into engagement with one another, are provided on said piston body (10) and said cylinder body (20). In addition, a dispenser and a dispenser unit-assembly system are suggested.

Description

Die Erfindung betrifft Spender, die nach dem Pumpprinzip arbeiten.The invention relates to dispensers that work on the pumping principle.

Spender, die nach dem Pumpprinzip arbeiten, sind generell aus dem Stand der Technik bekannt. Derartige Spender weisen einen Pumpkopf und einen daran angeschlossenen Speicherbehälter auf. Bisher werden jedoch bei derartigen Spendern Speicherbehälter und Pumpkopf individuell aufeinander abgestimmt, so dass ein Pumpkopf immer nur zu einem bestimmten Speicherbehälter passt. Der Konstruktions- und Fertigungsaufwand für solche Spender ist dementsprechend hoch.Donors who work according to the pumping principle are generally from the state of the art Technology known. Such dispensers have a pump head and one on it connected storage tank. So far, however, such Dispensers storage tank and pump head individually matched, so that a pump head only ever fits one specific storage tank. The design and manufacturing effort for such dispensers is accordingly high.

Aus der US-A-4 991 746 ist eine Pumpeinrichtung für einen Spender in modularer Bauart bekannt, wobei ein speziell ausgebildeter Befestigungsring ermöglicht, dass die Pumpeinrichtung für verschiedene Anwendungen, d. h. verschiedene Speicherbehälter mit verschiedenen Befestigungsvorrichtungen und Speichervolumina genutzt werden kann.From US-A-4 991 746 a pump device for a dispenser is modular Known design, with a specially designed mounting ring allows that the pumping device can be used for various applications, e.g. H. various Storage containers with various fastening devices and storage volumes can be used.

Trotz der hierdurch sich ergebenden Reduzierung des Konstruktions- und Fertigungsaufwandes besteht angesichts der vielfältigen Einsatzmöglichkeiten von Spendern jedoch nach wie vor ein Interesse daran, diesen Aufwand weiter zu verringern.Despite the resulting reduction in design and manufacturing costs exists in view of the various possible uses of However, donors still have an interest in continuing this effort reduce.

Der Erfindung liegt daher die Aufgabe zugrunde, eine vielseitig einsetzbare Spenderpumpe zu schaffen. Weiterhin liegt der Erfindung die Aufgabe zugrunde, einen entsprechenden Spender sowie ein Spender-Baukastensystem anzugeben.The invention is therefore based on the object of being versatile To create a dispenser pump. Furthermore, the invention is based on the object specify a corresponding dispenser and a modular dispenser system.

Diese Aufgabe wird durch einen Spender gemäß Anspruch 1 gelöst. This task is accomplished by solved a dispenser according to claim 1.

Hierdurch ergibt sich eine besonders kompakte Spenderpumpe, die bei einer Vielzahl von in ihrem Kopfstück und Speicherbehälter frei gestaltbaren Spendern einsetzbar ist.This results in a particularly compact dispenser pump with a large number can be used by dispensers that can be freely designed in their head piece and storage container is.

Vorzugsweise kommen die Begrenzungsvorrichtungen bei maximalem Pumpkammervolumen gegeneinander zur Anlage, zur Beschränkung der Relativbewegung zwischen dem Kolbenkörper und dem Zylinderkörper über ein maximales Pumpkammervolumen hinaus. Durch die Ausbildung der Begrenzungsvorrichtungen am Kolben und Zylinderkörper können zusätzliche Halteteile, wie sie im Stand der Technik vielfach verwendet werden, vermieden werden. Dadurch wird die Teilevielfalt der Spenderpumpe reduziert, so daß eine geringere Teilebevorratung und eine effizientere Montage ermöglicht wird. Die Begrenzungsvorrichtungen dienen weiterhin auch dazu, ein Auseinanderfallen der Pumpe zu verhindern.The limiting devices preferably come at maximum pump chamber volume against each other, to limit the relative movement between the piston body and the cylinder body over a maximum pump chamber volume out. By designing the limiting devices on the piston and Cylinder bodies can have additional holding parts, as is often the case in the prior art be used, avoided. This makes the part variety of the dispenser pump reduced, so that fewer parts are stocked and assembly is more efficient is made possible. The limiting devices continue to serve as well To prevent the pump from falling apart.

Vorzugsweise sind der Kolbenkörper und der Zylinderkörper glockenförmig ineinandergreifend ausgebildet und bilden die modulare Spenderpumpe. Die Begrenzungsvorsprünge beschränken dabei das maximale Pumpkammervolumen. Durch die glokkenförmige Ausbildung ergibt sich nach außen eine kapselartige Stiuktur der Spenderpumpe, die zu einer Verringerung des Bauvolumens beiträgt. Die so ausgebildete Spenderpumpe kann bei einer Vielzahl verschiedenartiger Spender eingesetzt werden.The piston body and the cylinder body are preferably interlocking in a bell shape trained and form the modular dispenser pump. The limiting tabs limit the maximum pump chamber volume. Through the bell-shaped Training results in a capsule-like structure of the dispenser pump, which contributes to a reduction in the construction volume. The so trained Dispenser pumps can be used with a variety of different dispensers.

Die Gesamtlänge der Spenderpumpe ist in Axialrichtung in zusammengedrücktem Zustand kürzer als im ausgefahrenen Zustand bei maximalem Pumpkammervolumen. Die Spenderpumpe kann hierdurch sowohl bei Spendern eingesetzt werden, bei denen die Mündungsöffnung beim Niederdrücken einer Spendetaste mitbewegt wird, sowie bei solchen Spendern, bei denen die Mündungsöffnung nicht bewegbar ist.The total length of the dispenser pump is compressed in the axial direction Condition shorter than when extended with maximum pump chamber volume. As a result, the dispenser pump can be used for both dispensers where the mouth opening is moved when a donation button is pressed, as well as in those dispensers in which the mouth opening cannot be moved.

Vorzugsweise sind bei der Spenderpumpe die beiden Rückschlagventile als Ringspaltventile mit ringartigem Ventilkörper ausgebildet. Dies ermöglicht ein gleichmäßiges Einströmen von Medium in die Pumpkammer bzw. einen Ausgabekanal, so daß es insbesondere bei pastösen Medien nicht zu asymmetrischen Totbereichen im Strömungsweg kommt. In the dispenser pump, the two non-return valves are preferably in the form of annular gap valves formed with a ring-like valve body. This enables an even one Inflow of medium into the pumping chamber or an output channel so that it especially with pasty media not to asymmetrical dead areas in the flow path comes.

Gemäß einer weiteren vorteilhaften Ausführungsform der Erfindung sind die Begrenzungsvorrichtungen an dem Kolbenkörper und Zylinderkörper als Vorsprünge an einander gegenüberliegenden Wänden ausgebildet, die zur Verbesserung der Führung und zur Vermeidung eines Kippens der Kolben-Zylinderanordnung mit der jeweils gegenüberliegenden Wand in Gleiteingriff stehen. Hierdurch wird eine lange Gebrauchsfähigkeit der wieder-verwendbaren Spenderpumpe ermöglicht.According to a further advantageous embodiment of the invention, the limiting devices on the piston body and cylinder body as projections on each other Opposite walls designed to improve leadership and to prevent the piston-cylinder arrangement from tilting with the opposite one Sliding wall. This will make it usable for a long time the reusable dispenser pump.

Weiterhin wird die obengenannte Aufgabe durch einen Spender zur Abgabe von fließfähigen, beispielsweise flüssigen und/oder pastösen Medien gelöst, mit einem Speicherbehälter mit einer Speicherkammer zur Aufnahme des zu spendenden Mediums, einem Kopfstück mit einer Spendemündung, und einer Pumpeinrichtung mit einer eingangs- und ausgangsseitig durch Rückschlagventile begrenzten Pumpkammer, wobei die Pumpeinrichtung als modulare Spenderpumpe ausgebildet und mit dem Kopfstück und/oder dem Speicherbehälter über Rast- oder Schraubverbindungen verbindbar ist.Furthermore, the above task is carried out by a donor for the delivery of flowable, for example liquid and / or pasty media dissolved with a Storage container with a storage chamber for holding the medium to be dispensed, a head piece with a donation mouth, and a pump device with a pump chamber delimited on the inlet and outlet side by check valves, wherein the pump device is designed as a modular dispenser pump and with the Headpiece and / or the storage container via snap or screw connections is connectable.

Aufgrund der Begrenzung der in dem Speicherbehälter vorgesehenen Speicherkammer in Axialrichtung durch eine Außenwand der Spenderpumpe kann auf eine entsprechende Wandung an dem Speicherbehälter verzichtet werden. Hierdurch wird die Herstellbarkeit des Speicherbehälters vereinfacht. Durch die Modularisierung des Speicherbehälters, der Spenderpumpe und des Kopfstückes ist die Spenderpumpe von den anderen Teilen getrennt montierbar, so daß diese anschließend in effizienter Weise mit dem Spenderbehälter und dem Kopfstück zusammengebaut werden kann.Due to the limitation of the storage chamber provided in the storage container in the axial direction through an outer wall of the dispenser pump can on a corresponding Wall on the storage container can be dispensed with. This will make the Manufacture of the storage container simplified. By modularizing the Storage container, the dispenser pump and the head piece is the dispenser pump can be assembled separately from the other parts, so that they are subsequently more efficient Way can be assembled with the dispenser container and the head piece.

Bei dem obengenannten Spender ist vorzugsweise der Spenderbehälter als zylinderartiger Körper ausgebildet, dessen kopfseitige, obere Öffnung sich über den gesamten Speicherkammerquerschnitt erstreckt. Hierdurch kann beispielsweise ein die Speicherkammer begrenzender Nachlaufkolben bzw. ein Einsatzbehälter mit Nachlaufkolben von der Kopfseite in den Speicherbehälter eingesetzt werden. Auch eine anschließende Befüllung kann dann von dieser Seite aus vorgenommen werden, so daß sämtliche Montageschritte von der gleichen Seite des Speicherbehälters erfolgen können. In the case of the above-mentioned dispenser, the dispenser container is preferably cylindrical Body formed, the top opening at the top over the entire Storage chamber cross section extends. In this way, for example, the storage chamber limiting trailing piston or an insert container with trailing piston be inserted into the storage container from the top. Also a subsequent one Filling can then be carried out from this side, so that all assembly steps are carried out from the same side of the storage tank can.

Gemäß einer bevorzugten Ausführungsform des Spenders ist im zusammengebauten Zustand das Kopfstück unmittelbar an dem Speicherbehälter befestigt. Hierdurch kann vermieden werden, daß von außen auf das Kopfstück einwirkende Kräfte unmittelbar auf die Spenderpumpe übertragen werden. Zudem läßt sich zwischen dem Kopfstück und dem Speicherbehälter eine größere Befestigungskraft realisieren als wenn das Kopfstück direkt an der Spenderpumpe befestigt wäre, da bei einer Wiederverwendung des Spenders, d.h. beim Austausch des Speicherbehälters bzw. dessen erneuten Befüllen und beim Lösen des Kopfstückes keine Gefahr der Beschädigung der Spenderpumpe besteht. Die Befestigungskraft zwischen Kopfstück und Speicherbehälter kann daher größer gewählt werden, so daß eine hohe Sicherheit gegen das Verlieren des Kopfstückes besteht.According to a preferred embodiment of the dispenser is assembled Condition the head piece attached directly to the storage container. This can be avoided that external forces acting on the head piece immediately be transferred to the dispenser pump. It can also be between the head piece and the storage container realize a greater fastening force than if that Headpiece would be attached directly to the dispenser pump since it can be reused of the donor, i.e. when replacing the storage tank or replacing it Filling and when loosening the head piece no risk of damage to the Dispenser pump exists. The fastening force between the head piece and the storage tank can therefore be chosen larger, so that a high security against the There is a loss of the head piece.

Vorzugsweise weist die separate Spenderpumpe mindestens einen Befestigungsvorsprung auf, der im zusammengebauten Zustand gegen den Speicherbehälter und das Kopfstück zur Anlage kommt. Hierdurch wird die Spenderpumpe, ohne mit dem Kopfstück oder dem Speicherbehälter fest verbunden zu sein, in ihrer Lage im Spender festgelegt. Dies führt zu einer erheblichen Vereinfachung bei der Montage, da die Spenderpumpe lediglich zwischen den Speicherbehälter und das Kopfstück eingelegt werden muß, die Lagefestlegung jedoch durch die Befestigung des Kopfstückes an dem Speicherbehälter erfolgt. Alternativ hierzu kann das speicherkammerseitig angeordnete Teil der Spenderpumpe auch an dem Speicherbehälter selbst befestigt werden.The separate dispenser pump preferably has at least one fastening projection on that in the assembled state against the storage container and that Head piece comes to the plant. This will make the dispenser pump go without the headpiece or to be firmly connected to the storage container in its position in the dispenser established. This leads to a considerable simplification in the assembly, since the Dispenser pump only inserted between the storage container and the head piece must be, however, fixing the position by attaching the head piece the storage container. As an alternative to this, the one arranged on the storage chamber side Part of the dispenser pump can also be attached to the storage container itself.

Nach einer vorteilhaften Weiterbildung des Spenders ist in dem Speicherbehälter ein das zu spendende Medium umgebender Balg angeordnet. Damit steht das zu spendende Medium nicht mehr unmittelbar mit der Innenwand des Speicherbehälters in Berührung. Vielmehr ist die Speicherkammer in dem Balg vorgesehen. Dies ermöglicht ein einfaches und sauberes Befüllen und insbesondere Wiederbefüllen des Speicherbehälters.According to an advantageous development of the dispenser, one is in the storage container arranged bellows surrounding the medium to be dispensed. With that stands the donation Medium no longer directly in with the inner wall of the storage container Contact. Rather, the storage chamber is provided in the bellows. this makes possible simple and clean filling and in particular refilling the storage tank.

Weiterhin wird die obengenannte Aufgabe durch ein Spender-Baukastensystem gelöst, das aus Kopfstücken, Speicherbehältern und mindestens einer Pumpeinrichtung bzw. Spenderpumpe besteht, wobei jeweils ein Kopfstück, ein Speicherbehälter und eine Spenderpumpe gemeinsam einen Spender bilden, bei dem verschiedene Kopfstücke mit der gleichen Pumpeinrichtung kombinierbar sind.Furthermore, the above-mentioned object is achieved by a modular dispenser system, that consists of head pieces, storage tanks and at least one pump device or dispenser pump, with a head piece, a storage container and a dispenser pump together form a dispenser with different head pieces can be combined with the same pumping device.

Vorteilhafte Weiterbildungen der Erfindung sind den weiteren Unteransprüchen und der nachfolgenden Beschreibung zu entnehmen.Advantageous developments of the invention are the further subclaims and the following description.

Im folgenden wird nun die Erfindung anhand von Ausführungsbeispielen unter Bezug auf die Zeichnung beschrieben. Diese zeigt in:

Fig.1
ein erstes Ausführungsbeispiel eines Spenders im zusammengebauten Zustand,
Fig.2
eine Schnittdarstellung der Spenderpumpe von Fig.1,
Fig.3
ein zweites Ausführungsbeispiel eines Spenders im zusammengebauten Zustand,
Fig.4
eine Seitenansicht der Spenderpumpe von Fig.3,
Fig.5
eine Schnittdarstellung des Balges von Fig.3 im befüllten und im entleerten Zustand,
Fig.6
ein erstes Kopfstück für den in Fig.3 dargestellten Spender, und
Fig.7
ein zweites Kopfstück für den in Fig.3 dargestellten Spender.
Fig.8
ein Spender-Baukastensystem mit verschiedenen Kopfstücken, Spenderpumpen und Speicherbehältern.
The invention will now be described in the following using exemplary embodiments with reference to the drawing. This shows in:
Fig.1
a first embodiment of a dispenser in the assembled state,
Fig.2
2 shows a sectional illustration of the dispenser pump from FIG. 1,
Figure 3
a second embodiment of a dispenser in the assembled state,
Figure 4
a side view of the dispenser pump of Figure 3,
Figure 5
3 shows a sectional illustration of the bellows of FIG. 3 in the filled and in the emptied state,
Figure 6
a first head piece for the dispenser shown in Figure 3, and
Figure 7
a second head piece for the dispenser shown in Figure 3.
Figure 8
a modular dispenser system with various head pieces, dispenser pumps and storage containers.

Der Spender in Fig.1 setzt sich aus einem Speicherbehälter 1, einem Kopfstück 2 und einer Pumpeinrichtung bzw. Spenderpumpe 3 zusammen. Der Speicherbehälter 1 ist als im wesentlichen zylinderartiger Körper ausgebildet, in dem eine Speicherkammer 5 vorgesehen ist. Diese Speicherkammer wird bodenseitig durch einen Nachlaufkolben 4 begrenzt. Am kopfseitigen Ende des Speicherbehälters ist eine obere Öffnung 6 vorgesehen, in die die Spenderpumpe 3 einsetzbar ist. Der Nachlaufkolben 4 kann durch die obere Öffnung 6 in den Speicherbehälter eingesetzt werden. Die Befüllung des gezeigten Speicherbehälters erfolgt ebenfalls durch die obere Öffnung 6. In dem gezeigten Ausführungsbeispiel ist der Speicherbehälter bodenseitig durch eine Wand verschlossen, in der lediglich eine Entlüftungsöffnung vorgesehen ist. Dies ist insbesondere vorteilhaft, wenn, wie in dem später beschriebenen zweiten Ausführungsbeispiel gezeigt, in den Speicherbehälter 1 ein Balg mit dem zu spendenden Medium eingesetzt wird. Die Bodenwand dient dann auch dem Schutz das Balges. Alternativ kann jedoch der Speicherbehälter in herkömmlicher Weise ohne Bodenwand ausgebildet werden, wobei dann die Befüllung des Speicherbehälters und das Einsetzen des Nachlaufkolbens 4 von der Bodenseite erfolgt.The dispenser in Figure 1 is composed of a storage container 1, a head piece 2 and a pumping device or dispenser pump 3 together. The storage container 1 is formed as a substantially cylindrical body in which a storage chamber 5 is provided. The bottom of this storage chamber is a trailing piston 4 limited. At the head end of the storage container there is an upper opening 6 provided, in which the dispenser pump 3 can be used. The trailing piston 4 can can be inserted through the upper opening 6 into the storage container. The filling of the storage container shown also takes place through the upper opening 6. In the The embodiment shown is the bottom of the storage container through a wall closed, in which only one vent opening is provided. This is particularly so advantageous if, as in the second embodiment described later shown in the storage container 1, a bellows with the medium to be dispensed is used. The bottom wall then also serves to protect the bellows. alternative However, the storage container can be designed in a conventional manner without a bottom wall be, then the filling of the storage container and the insertion of the Trailing piston 4 is carried out from the bottom side.

Der Innenraum des Speicherbehälters 1 wird in Axialrichtung kopfseitig durch eine Außenwand der Spenderpumpe 3 begrenzt. Diese Spenderpumpe ist im Detail in Fig.2 dargestellt. Sie weist einen Kolbenkörper 10 mit einem Kolbenabschnitt 11 und einen Zylinderkörper 20 mit einem Zylinderabschnitt 21 auf. Dabei ist der Kolbenabschnitt 11 gleitbeweglich in dem Zylinderabschnitt 21 aufgenommen, wobei zwischen beiden eine Pumpkammer 30 gebildet wird. Diese Pumpkammer verbindet einen Eingangskanal 24 und einen Ausgangskanal 14. In beiden Kanälen ist jeweils ein Rückschlagventil 31,32 angeordnet. Beide Rückschlagventile sind so eingebaut, daß sie in die gleiche Richtung, d.h. in die Spenderichtung öffnen. Zwischen dem Kolbenkörper 10 und dem Zylinderkörper 20 ist weiterhin eine Rückstellvorrichtung, vorzugsweise eine Zylinderfeder, so angeordnet, die den Kolbenkörper 10 und die den Zylinderkörper 20 in Richtung einer Pumpkammervergrößerung beaufschlagt, um nach einem erfolgten Pumphub, bei dem das Pumpkammervolumen verkleinert wird, die Pumpkammer 30 wieder zu befüllen. Anstelle einer Zylinderfeder 40 können auch andere elastische Elemente als Rückstellvorrichtung verwendet werden.The interior of the storage container 1 is in the axial direction by a head Limited outer wall of the dispenser pump 3. This dispenser pump is in detail Fig.2 shown. It has a piston body 10 with a piston section 11 and a cylinder body 20 with a cylinder section 21. Here is the piston section 11 slidably received in the cylinder section 21, wherein between both a pump chamber 30 is formed. This pump chamber connects an input channel 24 and an outlet channel 14. There is a check valve in each of the two channels 31.32 arranged. Both check valves are installed so that they are in the same direction, i.e. open in the direction of dispensing. Between the piston body 10 and the cylinder body 20 is also a reset device, preferably a cylinder spring so arranged that the piston body 10 and that the cylinder body 20 in the direction of an enlargement of the pumping chamber to look for a pump stroke, in which the pump chamber volume is reduced, the pump chamber 30 refill. Instead of a cylinder spring 40, others can elastic elements can be used as a reset device.

Zur Begrenzung des maximalen Pumpkammervolumens sind an dem Kolbenkörper 10 und dem Zylinderkörper 20 Begrenzungsvorrichtungen vorgesehen, die bei maximalem Pumpkammervolumen gegeneinander zur Anlage kommen. In dem gezeigten Ausführungsbeispiel sind die Begrenzungsvorrichtungen als Vorsprünge 12,22 an gegenüberliegenden Wänden 13,23 des Kolbenkörpers 10 und des Zylinderkörpers 20 ausgebildet. Diese Vorsprünge 12,22, stehen jeweils mit der gegenüberliegenden Wand in Gleiteingriff, um die Führung des Kolbenabschnites 11 an dem Zylinderabschnitt 21 zu stabilisieren. Die Vorsprünge 12,22, die beispielsweise auch als Ringvorsprung ausgebildet werden können, verhindern ein Auseinanderfallen der Spenderpumpe 3. Ihre rampenartige Ausbildung ermöglicht einen einfachen Zusammenbau des Kolbenkörpers 10 und des Zylinderkörpers 20 durch ein einfaches Aufeinanderstecken, wobei die Rampen hintereinander einschnappen.To limit the maximum pump chamber volume are on the piston body 10 and the cylinder body 20 limiting devices are provided, which at maximum Pump chamber volumes come into contact with each other. In the shown Exemplary embodiment are the limiting devices as projections 12, 22 on opposite ones Walls 13, 23 of the piston body 10 and the cylinder body 20 educated. These projections 12, 22 are each with the opposite one Wall in sliding engagement to guide the piston portion 11 on the cylinder portion 21 to stabilize. The projections 12, 22, which are also used, for example, as a ring projection can prevent the dispenser pump from falling apart 3. Their ramp-like design enables easy assembly of the piston body 10 and the cylinder body 20 by simply plugging them together, whereby the ramps snap in one after the other.

Der Kolbenkörper 10 und der Zylinderkörper 20 sind jeweils glockenförmig ausgebildet. Sie stehen miteinander in Eingriff und begrenzen zusammen die Spenderpumpe nach außen, so daß ein kapselartiges Gehäuse gebildet wird. Durch das Vorsehen der Vorsprünge 12,22 an radialen Wänden 13,23 führt eine Relativverschiebung des Kolbenkörpers gegen den Zylinderkörper zu einer Verkürzung der Axiallänge der Pumpe im zusammengedrückten Zustand, d.h. bei minimalem Pumpkammervolumen.The piston body 10 and the cylinder body 20 are each bell-shaped. They engage with each other and together limit the dispenser pump outwards so that a capsule-like housing is formed. By providing the projections 12, 22 on radial walls 13, 23 cause a relative displacement of the Piston body against the cylinder body to shorten the axial length of the Pump in the compressed state, i.e. with minimal pump chamber volume.

An einer radialen Außenwand 26 des Zylinderkörpers 20 ist weiterhin mindestens ein Befestigungsvorsprung 25 vorgesehen, der beispielsweise auch als Ringvorsprung ausgebildet sein kann. Dieser Befestigungsvorsprung dient der Lagefestlegung der Spenderpumpe 3 im eingebauten Zustand zwischen dem Kopfstück 2 und dem Speicherbehälter 1.At least one is also on a radial outer wall 26 of the cylinder body 20 Fastening projection 25 is provided, for example, as an annular projection can be trained. This fastening projection serves to fix the position of the Dispenser pump 3 in the installed state between the head piece 2 and the storage container 1.

In dem gezeigten Ausführungsbeispiel nach Fig.1 sind die Rückschlagventile (31,32) als Ringspaltventile mit ringartigem Ventilkörper 35,35' ausgebildet, der jeweils einen Ringspalt 36,36' des Eingangs- bzw. Ausgangskanals 14,24 überdeckt. Das in dem Eingangskanal 24 angeordnete Rückschlagventil 32 ist durch einen Haltering 34 an dem Zylinderkörper 20 festgelegt. Das Rückschlagventil 31 auf der Seite des Ausgangskanals 14 ist an dem Kolbenabschnitt 11, der hier als separater, auf einen Ausgangskanalabschnitt aufgesteckter Kolben 11' ausgebildet ist, abgestützt. Durch die radialsymmetrische Ausbildung der Spenderpumpe 3 wird ein homogenes Spendeverhalten erzielt. Allerdings ist die Spenderpumpe nicht auf radialsymmetrische Ausführungen beschränkt, sondern kann im Querschnitt beispielsweise auch eine beliebige, beispielsweise quadratische oder mehreckige Form aufweisen. Anstelle der gezeigten Ringspaitventile können auch andere bekannte Rückschlagventile, beispielsweise Klappenventile, verwendet werden.In the exemplary embodiment shown in FIG. 1, the check valves (31, 32) formed as annular gap valves with an annular valve body 35, 35 ', each one Annular gap 36.36 'of the input or output channel 14.24 covered. That in that Check valve 32 arranged in inlet channel 24 is supported by a retaining ring 34 the cylinder body 20 set. The check valve 31 on the output channel side 14 is on the piston section 11, here as a separate one, on an outlet channel section attached piston 11 'is formed, supported. Through the radially symmetrical design of the dispenser pump 3 becomes a homogeneous dispensing behavior achieved. However, the dispenser pump is not based on radial symmetry limited, but can also, for example, for example, have a square or polygonal shape. Instead of Ringspait valves shown can also other known check valves, for example flap valves can be used.

Weiterhin kann der Kolben 11' einstückig mit dem Kolbenkörper 10 ausgebildet werden. Auch eine kinematische Umkehr der Spenderpumpe 3 mit einer Umkehrung der Öffnungsrichtung der Rückschlagventile ist möglich. Die Befestigungsvorsprünge 25 sind dann an dem feststehenden Teil anzubringen. Alle miteinander zu verbindenden Teile werden vorzugsweise als Schnappverbindung ausgeführt, so dass eine einfache Montage durch axiales Zusammenstecken ermöglicht wird, das auch automatisiert erfolgen kann.Furthermore, the piston 11 ′ can be formed in one piece with the piston body 10 become. Also a kinematic reversal of the dispenser pump 3 with one reversal the opening direction of the check valves is possible. The fastening protrusions 25 are then to be attached to the fixed part. All parts to be connected are preferably a snap connection designed so that easy assembly by axial plugging together is made possible, which can also be automated.

An die Spenderpumpe 3 schließt das Kopfstück 2 an, das ein bewegbares Teil 7, ein Halteelement 8 und eine Kappe 9 aufweist. Das bewegbare Teil 7 weist einen Spendekanal auf, der zu einer Mündungsöffnung führt. Im gezeigten Ausführungsbeispiel ist an der Mündungsöffnung zusätzlich ein selbstätig schließendes Dichtlippenventil vorgesehen, das ein Eindringen von Fremdpartikeln in den Spendekanal verhindert. Das bewegbare Teil 7 ist an dem Halteelement 8 in Axialrichtung des Spenders, die parallel zu der Axialrichtung der Spenderpumpe verläuft, bewegbar angeordnet und gegen ein Herausziehen in Fig. 1 nach oben gesichert. Das Halteelement 8 besitzt an seinem speicherbehälterseitigen Ende einen Befestigungsabschnitt, über den dieses an einem Befestigungsabschnitt im Bereich der oberen Öffnung 6 des Speicherbehälters 1 befestigt werden kann. To the dispenser pump 3 connects the head piece 2, which is a movable part 7, a holding element 8 and a cap 9. The movable part 7 has a donation channel that leads to an opening. In the embodiment shown is an automatically closing one at the mouth opening Sealing lip valve is provided, which prevents the ingress of foreign particles prevents the donation channel. The movable part 7 is on the holding element 8 in the axial direction of the dispenser, which is parallel to the axial direction of the dispenser pump runs, arranged movably and against being pulled out in FIG. 1 secured upwards. The holding element 8 has on its storage tank side End of a fastening section, via which this is attached to a fastening section attached in the region of the upper opening 6 of the storage container 1 can be.

Im zusammengebauten Zustand des Spenders wird der Befestigungsvorsprung 25 der Spenderpumpe zwischen dem Halteelement des Kopfstückes 2 und der Oberkante des Speicherbehälters 1 festlegt. Beim Zusammenbau des Spenders kann daher die Spenderpumpe 3 lose auf den Speicherbehälter 1 aufgesetzt werden. Die Befestigung erfolgt dann gleichzeitig mit der Befestigung des Kopfstückes 2 an dem Speicherbehälter 1, wozu vorzugsweise eine Schnappverbindung verwendet wird, die ein einfaches Aufpressen des Kopfstückes auf den Speicherbehälter erlaubt. Die Befestigungsvorrichtung ist lösbar ausgebildet, um eine Wiederverwendung des Spenderkopfes, d. h. Spenderpumpe 3 und Kopfstück 2 zu ermöglichen. In dem gezeigten ersten Ausführungsbeispiel sind keine formschlüssigen Befestigungsvorrichtungen zwischen der Spenderpumpe 3 und dem Speicherbehälter 1 und der Spenderpumpe 3 und dem Kopfstück 2 erforderlich.When the dispenser is assembled, the fastening projection 25 of the dispenser pump between the holding element of the head piece 2 and the Specifies the upper edge of the storage container 1. When assembling the dispenser the dispenser pump 3 can therefore be placed loosely on the storage container 1 become. The attachment then takes place simultaneously with the attachment of the Head piece 2 on the storage container 1, for which purpose preferably a snap connection is used, which is a simple press on the head piece allowed the storage container. The fastening device is detachable, to reuse the donor head, d. H. Dispenser pump 3 and enable head piece 2. In the shown The first embodiment is not a form-fitting fastening device between the dispenser pump 3 and the storage container 1 and the dispenser pump 3 and the head piece 2 required.

Zwar ist der Spendekanal des bewegbaren Teils mit dem Ausgabekanal 14 der Spenderpumpe 3 verbunden, durch die Befestigung des Kopfstückes 2 an dem Speicherbehälter 1 werden jedoch von außen auf das Kopfstück aufgebrachte Kräfte über den Speicherbehälter 1 abgeführt.It is true that the dispensing channel of the movable part is connected to the dispensing channel 14 of the dispenser pump 3 connected by the attachment of the head piece 2 to the storage container 1, however, forces are exerted on the head piece from outside Storage tank 1 removed.

Ein weiteres Ausführungsbeispiel ist in den Figuren 3 bis 7 gezeigt, wobei die in den Figuren 6 und 7 gezeigten Kopfstücke gegeneinander austauschbar sind.A further exemplary embodiment is shown in FIGS. 3 to 7, the in FIGS Figures 6 and 7 head pieces shown are interchangeable.

Der Spender in Fig.3 ist grundsätzlich in gleicher Weise wie der Spender in Fig.1 aufgebaut, so daß im folgenden nur auf die Unterschiede zu dem in Fig.1 gezeigten Spender eingegangen wird.The dispenser in FIG. 3 is basically constructed in the same way as the dispenser in FIG. 1, so that in the following only the differences to that shown in Fig.1 Donor is received.

Die Spenderpumpe 3 des zweiten Ausführungsbeispiels weist anstelle des Befestigungsvorsprunges 25 des Zylinderkörpers 20 einen glockenartigen Befestigungsflansch 125 an dem Zylinderkörper 120 auf, der die eigentliche Pumpkapsel radial umgibt. Der Befestigungsflansch 125 weist an seinem Umfang einen Anschlag 126 sowie einen Befestigungsabschnitt 127 auf, über den die Spenderpumpe 3 im Bereich der oberen Öffnung 106 des Speicherbehälters befestigbar ist. Auf der gegenüberliegenden Seite des Anschlages 126 ist ein weiterer Befestigungsabschnitt 128 vorgesehen, über den eine das eigentliche Kopfstück 102 umgebende Kappe 109 lösbar an der Spenderpumpe 3 angebracht werden kann.The dispenser pump 3 of the second embodiment has instead of the fastening projection 25 of the cylinder body 20 a bell-like mounting flange 125 on the cylinder body 120, which is the actual pump capsule radially surrounds. The fastening flange 125 has a stop 126 on its circumference and a fastening section 127, via which the dispenser pump 3 in the area the upper opening 106 of the storage container can be fastened. On the opposite A further fastening section 128 is provided on the side of the stop 126, via the cap 109 surrounding the actual head piece 102 detachably the dispenser pump 3 can be attached.

Zwischen der eigentlichen Pumpenkapsel 129, die in gleicher Weise wie die in Fig.2 gezeigte Spenderpumpe ausgebildet werden kann, und dem Befestigungsflansch 125 wird ein Ringspalt gebildet, in den sich ein radialer Umfangsabschnitt 102d des Kopfstückes 102 hinein erstreckt.Between the actual pump capsule 129, which in the same way as that in Fig.2 Dispenser pump shown can be formed, and the mounting flange 125th an annular gap is formed, into which a radial peripheral portion 102d of the head piece is located 102 extends into it.

Ein erstes, mit der Spenderpumpe verwendbares Kopfstück 102 ist in Fig.6 gezeigt. Dieses besitzt eine im wesentlichen kappenartige Form, an dessen Stirnseite 102a eine Mündungsöffnung 102d vorgesehen ist, die durch ein selbsttätig schließendes Ventil gegen das Eindringen von Fremdkörpern geschützt ist. Zu der Mündungsöffnung 102b führt ein Spendekanal 102c, der bei aufgesetztem Kopfstück mit dem Ausgangskanal 114 der Spenderpumpe gekoppelt ist.A first head piece 102 that can be used with the dispenser pump is shown in FIG. This has an essentially cap-like shape, one on the end face 102a Mouth opening 102d is provided by an automatically closing Valve is protected against the ingress of foreign bodies. To the mouth opening 102b carries a donation channel 102c which, when the head piece is attached, to the output channel 114 of the dispenser pump is coupled.

Ein zweites Kopfstück 202 ist in Fig.7 gezeigt. Dieses ebenfalls kappenartig ausgebildete Kopfstück 202 weist einen Applikator 202a auf, der gegenüber der Axialrichtung des Spenders geneigt ist. An einem Ende des Applikators 202a ist eine Mündungsöffnung 202b vorgesehen, die über einen Spendekanal 202c mit dem Ausgangskanal 114 der Spenderpumpe verbunden ist.A second header 202 is shown in Figure 7. This also cap-shaped Headpiece 202 has an applicator 202a, which is opposite to the axial direction of the donor is inclined. At one end of applicator 202a is an orifice 202b provided through a donation channel 202c with the output channel 114 of the dispenser pump is connected.

In den in Fig.6 und 7 gezeigten Ausführungsformen dient das Kopfstück gleichzeitig als Spendertaste. Die in Fig.4 gezeigte Spenderpumpe kann jedoch mit jedem Kopstück bekannter Bauart gekoppelt werden, solange die Anschlußmaße zwischen dem einen Spendekanal des Kopfstückes und dem Ausgabekanal 114 zusammenpassen.In the embodiments shown in FIGS. 6 and 7, the head piece serves simultaneously as a dispenser button. The dispenser pump shown in Figure 4 can, however, with any Kopstück known design can be coupled as long as the connection dimensions between the a dispensing channel of the head piece and the dispensing channel 114 match.

Der Speicherbehälter 101 kann, wie in dem ersten Ausführungsbeispiel gezeigt, mit einem Nachlaufkolben 104-ausgeführt werden, wobei das zu spendende Medium direkt in die Speicherkammer gefüllt wird.The storage container 101 can, as shown in the first embodiment, with a trailing piston 104-run, the medium to be dispensed directly is filled into the storage chamber.

Bei dem in den Fig.3 und 5 gezeigten Ausführungsbeispiel wird in die Speicherkammer ein Balg 150 eingesetzt, der das zu spendende Medium aufnimmt. Der Speicherbehälter 101 dient vor allem dem Schutz des Balges 150, der vorzugsweise als Faltenbalg ausgeführt wird. Der Balg 150 ist durch die obere Öffnung 106 in den Speicherbehälter einsetzbar und weist weiterhin einen Halteabschnitt 151 auf, mit dem der Balg an dem Speicherbehälter 101 festlegbar ist. Vorzugsweise ist der Haltebabschnitt 151 als separater Haltering ausgebildet, der über eine Schnappverbindung an einem Anschlußstutzen 152 des Balges 150 angebracht und über eine weitere Schnappverbindung lösbar in dem Speicherbehälter 101 befestigt ist. Der Anschlußstutzen 152 des Balges 150 schließt im zusammengebauten Zustand des Spenders dichtend an den Eingangskanal 124 der Spenderpumpe an. Auf der dem Anschlußstutzen gegenüberliegenden Seite weist der Balg einen Bodenflansch 154 auf, der hier die Funktion des Nachlaufkolbens übernimmt. Der Bodenflansch 154 weist einen flexiblen, radial außenliegenden Ringabschnitt 155 auf, an den die radiale Begrenzungswand des Balges anschließt. Bei der Entleerung des Balges 150 wird diese radiale Wand zusammengefaltet. Zur Ermöglichung eines geordneten Zusammenfaltens sind an der radialen Wand vorgeprägte Falten 156 vorgesehen. Hierdurch wird verhindert, daß unter ungünstigen Umständen die radiale Wand den Anschlußstutzen 152 vorzeitig verschließt. Um ein möglichst vollständiges Entleeren des Faltenbalges zu gewährleisten, ist der Ringabschnitt 155 flexibel ausgebildet, so daß dieser sich im entleerten Zustand des Balges zur Bodenseite hin verformen kann, während ein starrer Teil 157 der Bodenwand bis an den Anschlußstutzen 152 gesaugt werden kann.In the embodiment shown in Figures 3 and 5 is in the storage chamber a bellows 150 is used, which receives the medium to be dispensed. The storage container 101 primarily serves to protect the bellows 150, which is preferably used as a bellows is performed. The bellows 150 is through the upper opening 106 into the storage container usable and also has a holding section 151 with which the Bellows can be fixed on the storage container 101. The holding section is preferably 151 formed as a separate retaining ring, which is connected via a snap connection attached a connecting piece 152 of the bellows 150 and another Snap connection is releasably attached to the storage container 101. The connecting piece 152 of bellows 150 closes when the dispenser is assembled sealingly to the input channel 124 of the dispenser pump. On the connector opposite side of the bellows has a bottom flange 154 which here takes over the function of the trailing piston. The bottom flange 154 has one flexible, radially outer ring section 155 to which the radial boundary wall of the bellows. When the bellows 150 is emptied, it becomes radial Wall folded up. To enable orderly folding pre-embossed folds 156 are provided on the radial wall. This prevents that under unfavorable circumstances the radial wall the connection piece 152 closes early. To ensure that the bellows is emptied as completely as possible To ensure the ring portion 155 is flexible, so that this is in deflated condition of the bellows can deform toward the bottom while a rigid one Part 157 of the bottom wall can be sucked up to the connection piece 152.

Wie bereits oben ausgeführt, können verschiedene Kopfstücke mit der Spenderpumpe 3 kombiniert werden. Gleichfalls kann anstelle eines Speicherbehälters 1 mit Nachlaufkolben ein Speicherbehälter 101 mit Faltenbalg 150 eingesetzt werden.As already explained above, different head pieces can be used with the dispenser pump 3 can be combined. Likewise, instead of a storage container 1 with a follower piston a storage container 101 with bellows 150 can be used.

Dieser in Fig. 8 dargestellte, modulare Aufbau ermöglicht in Form eines Spender-Baukastensystems eine individuelle Anpassung der Spender an verschiedene Produkte, ohne daß hierzu ein gänzlich neuer Spender entwickelt werden müßte. So ist es problemlos möglich, einen Spender ohne weiteres an das zu spendende Medium, die gewünschte Fördermenge per Spendehub oder das Vorratsvolumen im Speicherbehälter anzupassen.This modular structure shown in FIG. 8 enables in the form of a modular dispenser system individual adaptation of the donor to different products, without having to develop a completely new donor. That's the way it is easily possible, a donor without further ado to the medium to be donated desired delivery rate per donation stroke or the storage volume in the storage container adapt.

Insbesondere das Kopfstück kann hinsichtlich der Richtung der Spendemündung sowie des Einsatzes von Mündungsventilen individuell an den Bedarf angepaßt werden. Die Kopfstücke sind dabei nicht auf solche beschränkt, bei denen die Spendemündung mit einer Spendetaste mitbewegt wird, sondern schließen auch solche ein, bei denen die Spendemündung feststeht.In particular, the head piece can with respect to the direction of the donation mouth as well the use of muzzle valves can be individually adapted to the need. The headers are not limited to those where the donation mouth is moved with a donation button, but also include such to whom the donation mouth is certain.

Das aus Kopfstücken, Speicherbehältern und mindestens einer Spenderpumpe bestehende Spendersystem ermöglicht es daher, mehrere Kopfstücke 2,102,202 mit derselben Spenderpumpe zu kombinieren. Genauso können verschiedene Speicherbehälter mit der Spenderpumpe kombiniert werden. The one consisting of head pieces, storage containers and at least one dispenser pump Dispenser system therefore makes it possible to have several head pieces 2,102,202 to combine the same dispenser pump. Different storage containers can do the same can be combined with the dispenser pump.

Wie in dem ersten Ausführungsbeispiel gezeigt, können die Kopfstücke direkt am Speicherbehälter befestigbar ausgebildet werden. Die einzelnen Module des Spendersystems können entsprechend den mit dieser Anmeldung beanspruchten Spenderpumpen bzw. Spendern und deren Bauteilen ausgebildet werden, sind jedoch nicht auf diese beschränkt.As shown in the first embodiment, the head pieces can be directly on Storage containers are designed to be attachable. The individual modules of the donor system can according to the dispenser pumps claimed by this application or dispensers and their components are not, however limited to this.

Die Spenderpumpe 3 des Spender-Baukastensystems ist, je nach Größe bzw. Durchmesser des Speicherbehälters, anpaßbar. Hierzu muß lediglich, je nach Bedarf, der eine Zylinderkörper 20 durch einen anderen Zylinderkörper 120 mit Befestigungsflansch 125 ausgetauscht werden. Alle anderen Bauteile der Spenderpumpe 3 können mit dem einen wie mit dem anderen Zylinderkörper verwendet werden.The dispenser pump 3 of the modular dispenser system is, depending on the size or Diameter of the storage tank, adjustable. To do this, you only have to one cylinder body 20 through another cylinder body 120 with a mounting flange 125 can be replaced. All other components of the dispenser pump 3 can can be used with one as with the other cylinder body.

Vorzugsweise sind alle Bauteile der Spenderpumpe, des Spenders sowie des Spender-Baukastensystems als Spritzgußteile, auch aus recyclebarem Kunststoff, herstellbar. Die Rückstellvorrichtung kann auch aus einem anderen Material gewählt werden.All components of the dispenser pump, the dispenser and the modular dispenser system are preferred as injection molded parts, also made of recyclable plastic. The reset device can also be selected from a different material.

Claims (14)

  1. Dispenser for the delivery of flowable, e.g. liquid or paste-like media, with a storage container (1, 101) to receive the media to be dispensed, with a replaceable dispenser pump (3) of modular design with an inlet (24, 124) and an outlet duct (14, 114) and with a pump chamber (30) defined on the inlet and outlet sides by return valves (32, 31) as well as a head piece (2, 102, 202) with a mouth, characterised by
    a modular replaceable dispenser pump (3), which may be inserted into replaceable storage containers (1, 101) and which may be connected to the head piece (2, 102, 202) and the storage container (1, 101) by catch or screw connections, with a pump chamber (30), which is formed by a plunger section (11) of a plunger body (10), which is received to allow sliding motion in the cylinder section (21) of a cylinder body (20) and with a fastening element (26, 125), which supports the dispenser pump (3) on the inside wall of the storage container (1, 101), wherein the cylinder body (20, 120) and the fastening element (26, 125) are constructed to be replaceable to adapt to different storage containers (1, 101);
    a restoring device (40) disposed between the plunger body (10) and the cylinder body (20) of the dispenser pump (3) with limiting devices (12, 22) for restricting the return movement, said limiting devices being disposed on the plunger body (10) and the cylinder body (20) and abutting against one another when the pump chamber volume is at maximum;
    a head piece (2, 102, 202), which may be replaceably attached to the dispenser pump (3), with dispensing mouth (102b, 202b) and dispensing duct (102c, 202c), said head piece being configured so that the dispensing duct (102c, 202c) may be inserted into the outlet duct (14, 114) of the dispenser pump (3);
    an insertion depth of the dispenser pump (3) into the storage container (1, 101) that is such that the lower edge of the dispenser pump (3) with its inlet duct (24, 124) has direct contact with the medium to be dispensed.
  2. Dispenser according to Claim 1, characterised in that to fix the position of the dispenser pump (3) when the dispenser is assembled, the dispenser pump (3) has at least one fastening projection (25, 126) on the fastening element (26, 125), which abuts against the storage container (1, 101) with one side and with the other side against the head piece (2, 102, 202), as a result of which the dispenser pump (3) is held between the storage container (1, 101) and the head piece (2, 102, 202).
  3. Dispenser according to Claim 2, characterised in that to fix the position of the dispenser pump (3), in addition, an appropriately configured holding element (8) of the head piece (2) in the attached position simultaneously detachably encloses the fastening flange element (26) of the dispenser pump (3) and the upper edge of the storage container (1) and thus detachably connects the dispenser pump (3) and the storage container (1) to one another.
  4. Dispenser according to Claim 1, 2 or 3, characterised in that to restrict the relative movement between the plunger body (10) and the cylinder body (20) beyond a maximum pump chamber volume, the limiting devices (12, 22) come into abutment against one another when the pump chamber volume is at maximum.
  5. Dispenser according to Claim 1, 2, 3 or 4, characterised in that the limiting devices (12, 22) are provided as projections on opposite walls (13, 23) of the plunger body (10) and the cylinder body (20) and are in sliding engagement with the respective opposite wall (23, 13).
  6. Dispenser according to one or more of Claims 1 to 5, characterised in that the plunger body (10) and the cylinder body (20) of the dispenser pump (3) are respectively configured to engage one inside the other in a bell-like arrangement.
  7. Dispenser according to one or more of Claims 1 to 6, characterised in that each return valve (31, 32) of the dispenser pump (3) is configured as a ring slot valve with ring-type valve body, which respectively covers a ring slot (36, 36') of the inlet or outlet duct (24, 14).
  8. Dispenser according to one or more of Claims 1 to 7, characterised in that the plunger section (11) of the plunger body (10) is configured as an attachable plunger (11').
  9. Dispenser according to Claim 8, characterised in that the plunger (11') is attached coaxially to a tubular outlet duct section of the plunger body (10) and is secured by a snap connection.
  10. Dispenser according to one or more of Claims 1 to 9, characterised in that the storage container (1) is of cylinder-like construction, an appropriately shaped follower plunger (4) is disposed in the storage chamber (5) of the storage container (1) and the storage container (1) has an upper opening (6) on the head side, which extends over the entire cross-section of the storage chamber.
  11. Dispenser according to one or more of Claims 1 to 9, characterised in that the storage container (101) is of cylinder-like construction and has an upper opening (106) on the head side extending over the entire cross-section of the storage chamber, and that a bellows unit (150) surrounding the medium to be dispensed is disposed in the storage container (101).
  12. Dispenser according to Claim 11, characterised in that the bellows unit (150) may be inserted into the storage container (101) through the upper opening (106) and may be fixed on the storage container (101) with a holding section (151).
  13. Dispenser according to Claim 11 or 12, characterised in that on its head side end, the bellows unit (150) has a connection piece (152) to connect the bellows unit (150) to the inlet duct (124) of the dispenser pump (3).
  14. Dispenser according to one or more of Claims 11 to 13, characterised in that the bellows unit (150) has a base flange (154) with a flexible ring section (155) located radially on the outside, onto which folds (156) of the bellows unit (150) adjoin, and when the bellows unit (150) is evacuated the flexible ring section (155) is deformed contrary to the direction of evacuation by the folds (156) laid one on the other.
EP98947545A 1997-09-23 1998-09-23 Dispenser Expired - Lifetime EP1015340B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29717034U 1997-09-23
DE29717034U DE29717034U1 (en) 1997-09-23 1997-09-23 Dispenser pump, dispenser and modular dispenser system
PCT/EP1998/006062 WO1999015425A1 (en) 1997-09-23 1998-09-23 Dispenser pump, dispenser and modular dispenser construction
CA002297308A CA2297308C (en) 1997-09-23 2000-01-27 Dispensing pump, dispenser and dispenser unit-assembly

Publications (2)

Publication Number Publication Date
EP1015340A1 EP1015340A1 (en) 2000-07-05
EP1015340B1 true EP1015340B1 (en) 2003-05-14

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US (1) US6371333B2 (en)
EP (1) EP1015340B1 (en)
AT (1) ATE240243T1 (en)
CA (1) CA2297308C (en)
DE (2) DE29717034U1 (en)
ES (1) ES2198072T3 (en)
WO (1) WO1999015425A1 (en)

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US7690535B2 (en) 2004-08-30 2010-04-06 Rieke Corporation Airless dispensing pump with tamper evidence features
US7891522B2 (en) 2004-08-30 2011-02-22 Rieke Corporation Airless dispensing pump
WO2020178339A1 (en) 2019-03-05 2020-09-10 Rpc Bramlage Gmbh Dispenser for discharging flowable compounds
WO2020178225A2 (en) 2019-03-05 2020-09-10 Rpc Bramlage Gmbh Dispenser for dispensing flowable masses
WO2020178225A3 (en) * 2019-03-05 2020-12-03 Rpc Bramlage Gmbh Dispenser for dispensing flowable masses
US11529640B2 (en) 2019-03-05 2022-12-20 Rpc Bramlage Gmbh Dispenser for discharging flowable compounds
US11745200B2 (en) 2019-03-05 2023-09-05 Rpc Bramlage Gmbh Dispenser for dispensing flowable masses

Also Published As

Publication number Publication date
US20010025863A1 (en) 2001-10-04
US6371333B2 (en) 2002-04-16
DE59808381D1 (en) 2003-06-18
DE29717034U1 (en) 1999-01-28
CA2297308A1 (en) 2001-07-27
ATE240243T1 (en) 2003-05-15
WO1999015425A1 (en) 1999-04-01
EP1015340A1 (en) 2000-07-05
CA2297308C (en) 2004-07-20
ES2198072T3 (en) 2004-01-16

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