EP1588770A2 - Tête de décharge pour dispositif de dosage - Google Patents

Tête de décharge pour dispositif de dosage Download PDF

Info

Publication number
EP1588770A2
EP1588770A2 EP05007347A EP05007347A EP1588770A2 EP 1588770 A2 EP1588770 A2 EP 1588770A2 EP 05007347 A EP05007347 A EP 05007347A EP 05007347 A EP05007347 A EP 05007347A EP 1588770 A2 EP1588770 A2 EP 1588770A2
Authority
EP
European Patent Office
Prior art keywords
nozzle
discharge head
receptacle
head according
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05007347A
Other languages
German (de)
English (en)
Other versions
EP1588770B1 (fr
EP1588770A3 (fr
Inventor
Christa Wohriska
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP1588770A2 publication Critical patent/EP1588770A2/fr
Publication of EP1588770A3 publication Critical patent/EP1588770A3/fr
Application granted granted Critical
Publication of EP1588770B1 publication Critical patent/EP1588770B1/fr
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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • 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

Definitions

  • the invention relates to a discharge head for a metering device, in a flow channel arrangement is integrated, with a flow path the metering device is connectable, wherein the flow channel arrangement led to a nozzle exit, which is a recording for a separate nozzle component having a nozzle exit axis defined, and wherein between the flow channel arrangement and the Nozzle outlet a flow guide is provided.
  • Such a discharge head for a metering device for applying a Medium is known from DE 198 13 078 A1.
  • the discharge head is made of plastic and has an integrated flow channel arrangement Mistake.
  • By attaching the discharge head to a Pump unit may flow channel arrangement with a flow path the pump unit to be connected.
  • the flow channel arrangement has a radial to a central longitudinal axis of the discharge head extending flow channel section, which in a swirling unit opens, which serves as a flow-guiding unit for the outflowing medium serves.
  • the swirling unit is integrally formed in the cap-shaped shaped discharge head formed.
  • In front of an outlet opening of the discharge head, which follows the swirling unit is one with an outlet nozzle provided pusher component, which is a separate Represents nozzle component.
  • the slider component is made of plastic and preferably manufactured in one piece and together with the discharge head.
  • the slide member In a rest position, defined after the manufacture of the components is, the slide member is about the finest injection molding compounds On the input side of a transverse to the flow channel arrangement and serving as a recording sliding groove held.
  • By pushing down the slide component separates the fine connections, so that the slider component in the sliding groove downwardly displaceable is, whereby the integrated in the slide member outlet nozzle is positioned in front of the swirling unit.
  • the discharge head is located now in a functional position, in the touchdown the discharge head on the pump unit a discharge of the particular liquid medium, preferably a spraying done can.
  • the object of the invention is a discharge head of the aforementioned To create kind, which can be made very small-scale construction and can be produced in a simple manner.
  • the nozzle member disc-shaped is designed and has a central nozzle opening, and that the nozzle member symmetrical to that defined by the nozzle opening Nozzle exit axis is designed.
  • the solution according to the invention makes it extremely simple possible to mount the nozzle member in the receptacle of the discharge head and to achieve such a functional discharge head.
  • the disk-shaped and symmetrical to the nozzle exit axis taking place Design of the nozzle component allows a non-directional mounting of the nozzle component. This means that the nozzle component in any Position can be inserted into the receptacle and without a subsequent Alignment already with the insertion of the desired end position has reached.
  • the receptacle is in their dimensions adapted to the nozzle member so that the nozzle member flush in the recording is usable.
  • the solution according to the invention is suitable in particular for metering devices that carry out liquid media.
  • the nozzle member is configured such that the nozzle member together with the flow guiding unit and the nozzle outlet defines a spray nozzle.
  • the nozzle member is configured such that the nozzle member together with the flow guiding unit and the nozzle outlet defines a spray nozzle.
  • Other types of free-flowing, free-flowing or free-flowing or gaseous To discharge media are also possible.
  • the solution according to the invention is particularly suitable for use in the cosmetics sector or in the pharmaceutical sector.
  • inventive Solution are particularly particularly small-scale Discharge heads achievable.
  • Particularly advantageous is the invention for metering pumps can be used, which has a pump diameter of less than 9 mm. These are miniaturized dosing pumps.
  • the receptacle coaxial is designed to be open to the nozzle exit axis to the outside, that the nozzle component along the nozzle exit axis in the receptacle can be mounted.
  • the insertion of the nozzle component along the nozzle exit axis in the recording allows advantageous in a single step already an exact and final positioning of the nozzle component in the receptacle and thus in the discharge head.
  • the disc-shaped nozzle member designed rotationally symmetrical to the nozzle exit axis.
  • a flat cylindrical disc preferably in their middle coaxial with the nozzle exit axis a corresponding Has nozzle opening.
  • the nozzle component is mirror-symmetrical to a radial with respect to the nozzle exit axis Designed mid-level. This makes it possible for the nozzle component both in a first orientation as well as in a second, mirror-inverted Align with the recording and still in both cases to achieve the same nozzle function.
  • the recording securing means assigned for fixing the nozzle member in the receptacle serve to form, force or firmly bonded in the receptacle.
  • securing means locking profiles which the nozzle member hold positively in the receptacle.
  • the nozzle component Preferably the nozzle component fully automatically mounted in the receptacle. It is also possible to mount the nozzle component manually.
  • the locking profiles designed so that the nozzle component by hand without the Inserted with the aid of a corresponding tool in the recording or can be engaged.
  • a separate Provided securing component which can be connected to the discharge head is and in its safety position the nozzle member form or restrained in the recording frictionally.
  • the security component is preferably designed cap or sleeve-like and on the discharge head attachable or pushable.
  • the cap or sleeve-shaped securing component have a passage opening, whose diameter is slightly larger than a diameter the nozzle outlet.
  • the securing component is at his Mounted on the discharge head such that the passage opening inevitably positioned coaxially with the nozzle exit.
  • a securing means adhesive provided in the mounted state, the nozzle member in the Capture firmly secures. This is a very simple and cost-effective design.
  • the securing means are such designed to counteract a retention force on the nozzle member exert a medium exit direction that is greater than a compressive force of the conveyed in the flow channel arrangement medium. This is ensures that the medium pressure in a discharge process or in Unused condition of the pump can not cause the nozzle member to squeeze out of the receptacle, throw it out or shoot out.
  • This embodiment is particularly at Dosier Surpriseen advantageous by heating under greater pressure advised.
  • the securing means are so executed that they have a circumferential sealing effect for the nozzle member have axially and / or radially to the nozzle exit axis. This is ensures that the flow channel arrangement no leakage losses Having in the region of the nozzle outlet. Appropriate liquid exits exclusively through the nozzle opening.
  • the thickness of the nozzle member and the depth of the receptacle are coordinated so that the nozzle member mounted in his Position is held backlash in the recording and by the orbiting Circling edge or differently shaped securing means revolving is held in this mounting position.
  • a discharge head 1 according to FIGS. 1 and 2 is greatly enlarged in FIG Illustration shown. Also, the sectional view of FIG. 2 provides a multiple increase in the actual dimensions of the discharge head 1.
  • the discharge head 1 according to FIGS. 1 and 2 is used for metering devices used with mechanical pumping units, in particular equipped with piston pumps. Such dosing are used to dispense liquid media from the cosmetic or pharmaceutical field used.
  • Particularly preferred the discharge head 1 according to FIGS. 1 and 2 an actual diameter of less than 9 mm. With these small dimensions is the discharge head 1 advantageously part of a miniaturized metering device, as well as the other parts of the metering device preferably no larger diameter than the discharge head. 1
  • the discharge head 1 is made of a thermoplastic material by injection molding made in one piece.
  • the discharge head 1 is a cap-shaped Component is and has an outer shell 2, which is substantially is cylindrical. Coaxial inside the outer jacket 2, a sleeve-shaped collar portion 3 is provided, which as well as the Outer jacket 2 is open at the bottom.
  • the collar portion 3 serves the discharge head 1 to an outlet region, not shown a Putting the pumping unit of the metering and so the discharge head 1 to be connected to a flow path of the pump unit.
  • the metering device preferably has, in addition to the pumping unit a medium storage on.
  • the collar portion 3 surrounds a first flow channel section a flow channel arrangement within the discharge head 1.
  • first flow channel section 8 in a second, radially oriented flow channel section 6 via, to an outlet opening 4 of the discharge head. 1 leads.
  • an unspecified receiving area provided for a nozzle plate 9.
  • a flow guide unit in the form of a swirling arrangement 7 is provided, which is easily recognizable with reference to FIG. 1.
  • Both the receiving area and the swirling arrangement 7 have an axis of symmetry that an exit axis A of the outlet opening 4 corresponds.
  • the exit axis A is perpendicular to a unspecified center longitudinal axis of the discharge head 1 and preferably aligned radially to this.
  • the second flow channel section 6 opens into an upper area of the swirling arrangement 7 and the receiving area, as shown in FIG. 2 recognizable is.
  • the receiving area serves to receive a nozzle disk 9, which is designed rotationally symmetrical.
  • the nozzle plate 9 has in the Top view of a circular shape and is in the center with a passage in the form a nozzle opening 10 is provided.
  • the recording area is in his Dimensions matched to the nozzle plate 9, that the nozzle disc 9 in their assembled state shown in FIG. 2 flush in the receiving area sitting. In the assembled state is a nozzle axis of the nozzle opening 10 identical to the exit axis A.
  • the nozzle disc is also mirror-symmetrical to a related to the nozzle exit axis A. aligned radial center plane.
  • the nozzle plate 9 is designed as a one-piece plastic body, the with a rounded in cross section, circumferential or circumferential Edge area is provided.
  • the outlet opening 4 has a circular edge contour on.
  • the edge contour has a diameter that is less than a diameter of the receiving area, which is a circular or has cylindrical edge contour.
  • the edge contour of the receiving area is tuned to the diameter of the nozzle disk 9 so that the receiving area for the nozzle disk 9 a substantially ensures a play-free fit.
  • the depth of the recording area is also matched to the thickness of the nozzle disk 9, so that the nozzle disk 9 is held axially flush in the receiving area.
  • the nozzle disk 9 For mounting the nozzle disk 9, the nozzle disk 9 is in front of the Outlet opening 4 is positioned and then applying a axial pressure force pressed into the receiving area. Because the nozzle disk 9 and also the latching edge of the edge contour of the outlet opening 4 are made of plastic, is a certain elastic compliance the edge contour of the outlet opening 4 on the one hand and the edge the nozzle disc 9 on the other hand ensures, so that a pressing the nozzle disk 9 is possible. After pressing behind the engages behind Locking edge of the nozzle disk 9. The locking edge 5 thus enables the form-fitting, play-free retention of the nozzle disk 9.
  • the positive locking Restraining forces which the locking rim 5 exerts on the nozzle disk 9, causes a circumferential sealing function, so that the nozzle plate 9 sealed is held in the receiving area. Liquid can therefore only pass through the central nozzle opening 10 to the outside.
  • the form-fitting retention forces are dimensioned so great that that no pushing out of the nozzle disk 9 under strong Overpressure promoted liquid medium within the two flow channel sections 6, 8 is made possible to the outlet opening 4.
  • a discharge head 1a is provided, which essentially corresponds to the discharge head according to FIGS. 1 and 2. Except for the differences described below, the entire applies Revelation of the embodiment of the discharge head 1 according to Figs. 1 and 2 for the discharge head 1a.
  • Function equal or identical components or sections of the discharge head 1a are identical Reference numerals as in the discharge head 1 according to FIG. 1 and 2, but with the addition of the letter a.
  • the difference in the discharge head 1a is that of the swirling arrangement 7a and the second flow channel section 6a subsequent receiving area for receiving the nozzle disk 9 directly on the outside of the outer shell 2a of the discharge head 1a is arranged.
  • the outlet opening 4a is in a separate securing component provided in the form of a sleeve-like securing hood 5a, the non-positively from above via the discharge head 1a or outer jacket 2a is pushed.
  • the outlet opening 4a has a much smaller diameter than the receiving area for the Nozzle disk 9 on.
  • the outlet opening 4a becomes coaxial in front of the nozzle axis the nozzle disk 9 is positioned.
  • a circumferential edge contour of Outlet opening 4a thus necessarily serves as a peripheral edge projection, the positive retention of the nozzle disk 9 in the Recording area causes.
  • the inner diameter of the securing hood 5a is slightly smaller as the outer diameter of the outer shell 2a, so that a safer Frictional connection of the safety hood 5a in its on the outer sheath 2a plugged state is ensured.
  • the safety hood 5a with respect to the outer jacket of the discharge head to twist. This allows the outlet opening in one with the nozzle opening of the nozzle plate aligned position or in a be rotated relative to the nozzle disc rotated position. In the twisted position obscured a shell portion of the safety hood the nozzle disc completely, so that no discharge process is possible. Once the outlet opening in the aligned with the nozzle disc position is twisted, a corresponding spraying process can take place.
  • the safety hood has no safety function, but is exclusively a decorative component.
  • the outer jacket of the discharge head and the safety hood each have a polygonal outer contour. These polygonal outer contours Ensure that the safety cap fits accurately the outer sheath can be attached and then not twisted can. The plugging is done in such a way that inevitably the Outlet opening is positioned in alignment in front of the nozzle disc.
  • the securing component is designed so that it when placing on the outer shell only a portion of the Outer shell covered by the nozzle disc or the outlet opening the discharge head is positioned.
  • a security component can then in particular a half shell shape or a similar, rotationally asymmetric Represent component.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
  • Nozzles (AREA)
EP05007347A 2004-04-19 2005-04-05 Tête de décharge pour dispositif de dosage Expired - Lifetime EP1588770B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004021001A DE102004021001A1 (de) 2004-04-19 2004-04-19 Austragkopf für eine Dosiereinrichtung
DE102004021001 2004-04-19

Publications (3)

Publication Number Publication Date
EP1588770A2 true EP1588770A2 (fr) 2005-10-26
EP1588770A3 EP1588770A3 (fr) 2008-01-16
EP1588770B1 EP1588770B1 (fr) 2010-04-28

Family

ID=34934745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007347A Expired - Lifetime EP1588770B1 (fr) 2004-04-19 2005-04-05 Tête de décharge pour dispositif de dosage

Country Status (4)

Country Link
EP (1) EP1588770B1 (fr)
AT (1) ATE465816T1 (fr)
DE (2) DE102004021001A1 (fr)
ES (1) ES2343575T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU208502U1 (ru) * 2020-12-15 2021-12-22 Акционерное общество "Арнест" (АО "Арнест") Аэрозольное устройство

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192611A (en) 1961-08-31 1965-07-06 Scovill Manufacturing Co Method of making and assembling the components of an aerosol dispenser button
DE19813078A1 (de) 1998-03-25 1999-09-30 Pfeiffer Erich Gmbh & Co Kg Spender für Medien sowie Verfahren zur Herstellung eines Spenders

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702957A (en) * 1952-09-26 1955-03-01 Zonite Products Corp Valved closure
US2767023A (en) * 1956-03-27 1956-10-16 Risdon Mfg Co Spray nozzles
GB1021073A (en) * 1963-04-05 1966-02-23 Scovill Manufacturing Co Aerosol dispenser button
DE3443640A1 (de) * 1984-11-29 1986-06-05 Karlheinz 8902 Neusäß Kläger Zerstaeuberduese eines fluessigkeitszerstaeubers
DE29802025U1 (de) * 1998-02-06 1998-04-02 Hsu, Chih-Lung, Taichung Hochdruckzerstäuber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192611A (en) 1961-08-31 1965-07-06 Scovill Manufacturing Co Method of making and assembling the components of an aerosol dispenser button
DE19813078A1 (de) 1998-03-25 1999-09-30 Pfeiffer Erich Gmbh & Co Kg Spender für Medien sowie Verfahren zur Herstellung eines Spenders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU208502U1 (ru) * 2020-12-15 2021-12-22 Акционерное общество "Арнест" (АО "Арнест") Аэрозольное устройство

Also Published As

Publication number Publication date
DE502005009478D1 (de) 2010-06-10
DE102004021001A1 (de) 2005-11-10
EP1588770B1 (fr) 2010-04-28
ES2343575T3 (es) 2010-08-04
ATE465816T1 (de) 2010-05-15
EP1588770A3 (fr) 2008-01-16

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