EP2844397B1 - Unité de distribution - Google Patents

Unité de distribution Download PDF

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Publication number
EP2844397B1
EP2844397B1 EP13728922.9A EP13728922A EP2844397B1 EP 2844397 B1 EP2844397 B1 EP 2844397B1 EP 13728922 A EP13728922 A EP 13728922A EP 2844397 B1 EP2844397 B1 EP 2844397B1
Authority
EP
European Patent Office
Prior art keywords
valve
valve body
metering pump
delivery unit
unit according
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.)
Active
Application number
EP13728922.9A
Other languages
German (de)
English (en)
Other versions
EP2844397A2 (fr
Inventor
Hans Georg Hagleitner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to SI201330114T priority Critical patent/SI2844397T1/sl
Priority to PL13728922T priority patent/PL2844397T3/pl
Priority to HRP20160029TT priority patent/HRP20160029T1/hr
Publication of EP2844397A2 publication Critical patent/EP2844397A2/fr
Application granted granted Critical
Publication of EP2844397B1 publication Critical patent/EP2844397B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • 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
    • B05B11/10—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
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure inside the container

Definitions

  • the invention relates to a dispensing unit for liquid or pasty media with a container, on the neck of a two-part metering pump is placed, wherein a hollow cylindrical first part of the metering pump connects to the neck and at a suction port a first one-way valve having a first valve body, said a piston-forming second part of the metering pump is provided with an outer actuating lug for a stroke of the metering pump, slidably extending in the first part, and at a suction opening aligned with the suction port, a second one-way valve having a preferably spring-loaded, second valve body, and wherein the two one-way valves open in the same direction, and the distance between the two valve bodies is variable.
  • the first one-way valve will hereinafter also be referred to as a suction valve and the second one-way valve as a dispensing valve.
  • a container with a metering pump for an unspecified liquid medium is known, wherein the container is in the delivery on the head.
  • the two valve bodies are conical and arranged at the two ends of a spring-loaded rod, wherein in the rest position the second valve is closed at the discharge opening and the first valve is open at the suction opening, so that the pump chamber is filled with the medium.
  • the first valve closes and the second opens, so that the portion contained in the pump chamber can flow out.
  • the piston-forming second part then returns to the starting position, wherein the second valve closes and the first opens, so that the pump chamber fills again.
  • the rigid connection of the two valve body leads to inaccuracies in the dosage, since the two valves are not optimally matched to each other, the flow properties of the medium play a role.
  • the rigid connection has the advantage that, for example, in the case of air trapped in the pump chamber the Dispensing valve is reliably opened even if the resulting pressure in the pump chamber is not sufficient for this purpose.
  • the invention has now taken on the task of creating an existing from the container and the associated metering pump dispensing unit, in which even in a fault inaccuracies in the dosage causing valve positions are avoided.
  • This is achieved in that the first valve body arranged in the intake opening is designed as an opening stop for the second valve body arranged in the opposite discharge opening.
  • the two valve bodies operate unaffected by a substantial part of the stroke of the pump from each other, and it comes before the end of the stroke only in case of failure, when the second valve body is stuck in the closed position, to a direct coupling between the two valve bodies, forcibly the dispensing valve opens. In the pump chamber trapped, compressed air can escape from the metering pump. This is especially for a first time operation of advantage.
  • the coupling of the two valves also ensures that when a dried dispensing valve, as it may be the case for a longer standstill, the second valve body is mechanically opened.
  • the closing force of the intake valve corresponds to the required opening force of the dispensing valve.
  • the second valve body has an axially projecting into the metering shaft whose free end is at a distance from the first valve body.
  • an abutment for the spring may be formed, which acts on the second valve body in the closed position, so that the dispensing valve is tight and the medium does not drip.
  • a dispensing unit in particular for head-mounted use in a dispenser for dispensing a liquid or pasty medium, comprises a rigid, aeratable container 1 with a metering pump 5 arranged on its neck 2, which is covered by a protective cap 3 until use, such as Fig. 1 shows.
  • the metering pump 5 comprises two essential parts 11, 16, of which the first part 11 arranged on the neck 2 of the container 1, in particular unsolvable glued or welded, when the container 1 and the metering pump 5 are made of a plastic.
  • Such a dispensing unit is exchanged for a filled after emptying.
  • the first part 11 of the metering pump 5 is formed as a hollow cylinder and in the connection region with the container, a suction opening is provided, which is associated with an intake valve in the form of a first one-way valve 6.
  • the first valve body 7 provided in the first one-way valve is spherical and held loosely in a valve cage 12 comprising a plurality of webs with inwardly projecting end protrusions.
  • the valve seat is cone-shaped. Due to gravity, therefore, the first one-way valve 6 in the in Fig. 2 shown rest position open.
  • Other suitable intake valves are for example flap valves, umbrella valves or beak valves.
  • the second part 16 of the metering pump 5 forms the piston and is slidably disposed in the hollow cylindrical first part 11 against a spring 21, so that the delivery chamber 20 of the metering pump can change.
  • the intake opening in the first part 11 opposite a discharge opening is provided in the second part 16, which is associated with a dispensing valve in the form of a rectified, so outwardly opening second one-way valve 8.
  • the second one-way valve 8 has a conically widening valve body 9 which has a shaft 10 extending axially into the delivery chamber 20. The shaft ends at a variable distance a, which is smaller than the stroke h of the metering pump to the first valve body 7.
  • the shaft 10 has an annular shoulder, and a closing spring 22 is clamped between the annular shoulder and the inside of the valve seat in the second part 16 , In the in Fig. 2 shown rest position is therefore the second one-way valve 8 sealingly closed.
  • the closing spring 22 determines the opening pressure of the metering pump. 5
  • the delivery chamber 20 is reduced by raising the piston-forming second part 16.
  • the device used for this purpose is not the subject of the invention, wherein in Fig. 2 only one provided in the upside-down use in a dispenser driving sleeve 25 is shown by dashed lines, which engages around the second one-way valve 8 on an outer actuating lug 17 on the second part 16 of the metering pump 5. Below the discharge opening can still, optionally changeable, disc-like jet regulator 18 od. Like. Be provided to control flow rate or atomization of the escaping medium.
  • the system of the shaft 10 to the first valve body 7 helps to eliminate or avoid malfunctions that may result from the fact that the second valve body 9 in particular also hangs under the action of the closing spring 22 in the discharge opening. These malfunctions are dependent on the type and consistency of the medium contained and simultaneous air inclusion in the delivery chamber 20, especially at the first use, just before consumption of the content, or prolonged disuse by gluing the second valve body 9 in the discharge opening.
  • the lifting of the second piston-forming part 16 would in such a case empty the delivery chamber 20 only when the trapped air can be compressed to such an extent that the pressure is sufficient to release the second bonded valve body 9. If the proportion of air is too high, it would even be conceivable that the second valve body remains in its valve seat, and the metering pump is useless, since each stroke compresses only the air and each return stroke relaxes them, but not displaced.
  • FIG. 4 An accident caused mainly by air entrapment of this kind is out Fig. 4 seen.
  • the first valve body 7 is pressed into the valve seat, while the second valve body 9, which is additionally acted upon by the compression spring 22 has not moved down, so that the second one-way valve 8 also remains closed.
  • the pressure in the delivery chamber 20 may increase sufficiently, and the second one-way valve 8 opens, whereupon further metering operations take place in the desired manner.
  • a ventilation channel 14 is provided, which extends into the container 1 and is provided with a further one-way valve, in particular a duckbill valve.
  • the spring 21 for the return of the second part 16 of the metering pump 5 can be omitted if the unspecified described actuator for the metering pump 5, from the in Fig. 2 the driving sleeve 25 is drawn by dashed lines, having a return spring or the like, and the driving sleeve 25, the actuating projection 17 forcibly leads in both directions.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Compressor (AREA)
  • Massaging Devices (AREA)
  • Beans For Foods Or Fodder (AREA)

Claims (6)

  1. Unité de distribution pour des agents liquides ou pâteux avec un récipient (1), sur le goulot duquel (2) une pompe de dosage (5) présentant deux parties (11, 16) est placée, une première partie cylindrique et creuse (11) de la pompe de dosage (5) étant contiguë au goulot (2) et présentant sur une ouverture d'aspiration une première soupape à une voie (6) avec un premier corps de soupape (7), une seconde partie (16) formant un piston de la pompe de dosage (5) étant pourvue d'une saillie d'actionnement (17) extérieure pour un levage (h) de la pompe de dosage (5), s'étendant de manière mobile dans la première partie (11) et présentant sur une ouverture de distribution s'alignant sur l'ouverture d'aspiration une seconde soupape à une voie (8) avec un second corps de soupape (9), de préférence sollicité par ressort, et les deux soupapes à une voie (6, 8) ouvrant dans la même direction et la distance (a) entre les deux corps de soupape (7, 9) étant variable, caractérisée en ce que le premier corps de soupape (7) agencé dans l'ouverture d'aspiration est réalisé comme une butée d'ouverture pour le second corps de soupape (9) agencé dans l'ouverture de distribution se trouvant en face.
  2. Unité de distribution selon la revendication 1, caractérisée en ce que le second corps de soupape (9) présente une tige (10) pénétrant axialement dans la pompe de dosage (5), dont l'extrémité libre est à distance (a) du premier corps de soupape (7).
  3. Unité de distribution selon la revendication 1 ou 2, caractérisée en ce que la seconde soupape à une voie présente un siège de soupape conique et un corps de soupape (9) en forme de cône.
  4. Unité de distribution selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le premier corps de soupape (7) est réalisé de manière sphérique.
  5. Unité de distribution selon la revendication 4, caractérisée en ce que le premier corps de soupape (7) est maintenu lâche dans une cage de soupape (12) prévue dans la première partie (11) de la pompe de dosage (5) pour une utilisation inversée.
  6. Unité de distribution selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le récipient (1) est incompressible et la première partie (11) présente un canal d'entrée d'air (14) équipé d'une soupape à une voie.
EP13728922.9A 2012-04-30 2013-04-26 Unité de distribution Active EP2844397B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI201330114T SI2844397T1 (sl) 2012-04-30 2013-04-26 Razdeljevalna enota
PL13728922T PL2844397T3 (pl) 2012-04-30 2013-04-26 Zespół dozujący
HRP20160029TT HRP20160029T1 (hr) 2012-04-30 2013-04-26 Uređaj za izdavanje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA518/2012A AT511827B1 (de) 2012-04-30 2012-04-30 Abgabeeinheit für flüssige oder pastöse Medien
PCT/AT2013/000080 WO2013163666A2 (fr) 2012-04-30 2013-04-26 Unité de distribution pour substances liquides ou pâteuses

Publications (2)

Publication Number Publication Date
EP2844397A2 EP2844397A2 (fr) 2015-03-11
EP2844397B1 true EP2844397B1 (fr) 2015-10-21

Family

ID=47833616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13728922.9A Active EP2844397B1 (fr) 2012-04-30 2013-04-26 Unité de distribution

Country Status (10)

Country Link
EP (1) EP2844397B1 (fr)
AT (1) AT511827B1 (fr)
ES (1) ES2559266T3 (fr)
HR (1) HRP20160029T1 (fr)
HU (1) HUE028392T2 (fr)
PL (1) PL2844397T3 (fr)
PT (1) PT2844397E (fr)
RS (1) RS54484B1 (fr)
SI (1) SI2844397T1 (fr)
WO (1) WO2013163666A2 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8207733A (pt) * 1981-06-04 1983-05-10 Pharmasol Corp Recipiente pressurizado com bomba de suprimento
GB8507868D0 (en) * 1985-03-26 1985-05-01 Salesprint Temple Group Ltd Liquid dispenser
US4964544A (en) * 1988-08-16 1990-10-23 Bobrick Washroom Equipment, Inc. Push up dispenser with capsule valve
US4949877A (en) * 1989-05-11 1990-08-21 Bobrick Washroom Equipment, Inc. Fluid dispenser valve
US4993600A (en) * 1989-10-10 1991-02-19 James River Corporation Liquid dispenser pump
US5975360A (en) * 1991-05-20 1999-11-02 Ophardt; Heiner Capped piston pump
DE19713721C2 (de) * 1997-04-03 2000-04-20 Calmar Albert Gmbh Spender
US6516976B2 (en) * 2000-12-19 2003-02-11 Kimberly-Clark Worldwide, Inc. Dosing pump for liquid dispensers
EP2135681B1 (fr) * 2008-06-20 2015-04-15 Gojo Industries, Inc. Pompe à mousse à deux temps

Also Published As

Publication number Publication date
EP2844397A2 (fr) 2015-03-11
WO2013163666A2 (fr) 2013-11-07
RS54484B1 (sr) 2016-06-30
HUE028392T2 (en) 2016-12-28
AT511827B1 (de) 2013-03-15
WO2013163666A3 (fr) 2013-12-27
AT511827A4 (de) 2013-03-15
PL2844397T3 (pl) 2016-04-29
SI2844397T1 (sl) 2016-02-29
PT2844397E (pt) 2016-01-28
HRP20160029T1 (hr) 2016-02-12
ES2559266T3 (es) 2016-02-11

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