EP2293880B1 - Fluid discharge head - Google Patents
Fluid discharge head Download PDFInfo
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- EP2293880B1 EP2293880B1 EP09761388.9A EP09761388A EP2293880B1 EP 2293880 B1 EP2293880 B1 EP 2293880B1 EP 09761388 A EP09761388 A EP 09761388A EP 2293880 B1 EP2293880 B1 EP 2293880B1
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- European Patent Office
- Prior art keywords
- discharge head
- fluid discharge
- head according
- valve body
- chamber
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Classifications
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- 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
- B05B11/0067—Lift valves having a valve seat located downstream the valve element (take precedence)
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- 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
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- 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
- B05B1/3468—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 means for controlling the flow of liquid entering or leaving the swirl chamber
- B05B1/3473—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 means for controlling the flow of liquid entering or leaving the swirl chamber in response to liquid pressure
-
- 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
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other
-
- 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
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
-
- 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
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7835—Valve seating in direction of flow
Description
Die Erfindung betrifft einen Fluidaustragkopf nach dem Oberbegriff des Anspruchs 1.The invention relates to a fluid discharge head according to the preamble of
Siehe als nächtliegender Stand der Technik
Aus
Aufgabe der Erfindung ist es daher, einen Fluidaustragkopf zu schaffen, der einen verbesserten Ventilschluss erlaubt.The object of the invention is therefore to provide a Fluidaustragkopf, which allows an improved valve closing.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of
Hierdurch wird ein Fluidaustragkopf mit einem Ventilschluss geschaffen, bei dem die Rücksaugungsproblematik beim Schließen des Ventils durch ein Überdruckventil eliminiert wird. Ein blitzartiges Verschließen direkt nach einem Sprühstoß gewährleistet, dass weder Keime noch sonstige Verunreinigungen durch die Medienaustrittsöffnung in den Fluidaustragkopf eindringen können. Die Kraft zur Öffnung des Ventils wird über das in den Austragkopf geförderte Medium direkt aufgebracht. Ein einstellbarer Mediendruck öffnet den federbelasteten Ventilverschluss durch Bewegen des Ventilkörpers gegen eine Federkraft. Das mittels einer Austragvorrichtung in den Fluidaustragkopf geförderte Medium wird dabei in einen geschlossenen und abgedichteten Raum der Zylinderkammer geleitet, aus der der Medienauslass angeströmt wird. Die Kammer stellt eine Medienmenge am Medienauslass an, deren Medienoberfläche in Verbindung mit dem Medienvordruck dem Eindringen von Bakterien und Verunreinigungen entgegensteht. Eine kleine Dimensionierung des Ventilverschlusses ist möglich.As a result, a fluid discharge head is provided with a valve closing, in which the Rücksaugungsproblematik is eliminated when closing the valve by a pressure relief valve. A flash-like closure immediately after a spray ensures that neither germs nor other contaminants can penetrate through the media outlet opening in the Fluidaustragkopf. The force for opening the valve is applied directly via the conveyed into the discharge head medium. An adjustable media pressure opens the spring-loaded valve closure by moving the valve body against a spring force. The conveyed by a discharge in the Fluidaustragkopf medium is directed into a closed and sealed space of the cylinder chamber, from which the media outlet is flown. The chamber adjusts a quantity of media at the media outlet whose media surface, in conjunction with the media preprint, prevents the penetration of bacteria and contaminants. A small dimensioning of the valve closure is possible.
Der Zwischenventilteller, auf den die Feder wirkt, um den Ventilkörper in den oberen Ventilsitz zu pressen, besitzt vorzugsweise eine Dichtleiste zum bodenseitigen Abdichten der Zylinderkammer. Bei hinreichendem Mediendruck in der Zylinderkammer, dessen Kammerboden den Zwischenventilteller bildet, hebt der obere Ventilsitz ab, wenn die durch den Medienvordruck hervorgerufene Kraft auf den Zwischenventilteller größer ist als die zuhaltende Federkraft. Durch das Übersetzungsverhältnis der projizierten Flächen und des ansteigenden Drucks innerhalb der Zylinderkammer kann auf das Öffnungs- und Schließverhalten Einfluss genommen werden.The intermediate valve plate on which the spring acts to press the valve body into the upper valve seat preferably has a sealing strip for sealing the cylinder chamber at the bottom. With sufficient media pressure in the cylinder chamber, the bottom of the chamber forms the intermediate valve plate, the upper valve seat lifts off when caused by the media pressure on the intermediate valve plate is greater than the spring force to be maintained. By the ratio of the projected areas and the increasing pressure within the cylinder chamber can be influenced on the opening and closing behavior.
Der untere Ventilsitz hat vorzugsweise die Funktion einer Stopfbuchsendichtung für den Medienkanal, an der sich das bewegte untere Ende des Ventilkörpers abdichtend anlegt.The lower valve seat preferably has the function of a stuffing box gasket for the media channel, at which the moving lower end of the valve body sealingly applies.
Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further embodiments of the invention are described in the following description and the dependent claims.
Die Erfindung wird nachstehend anhand der in den beigefügten Abbildungen dargestellten Ausführungsbeispiele näher erläutert.
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Fig. 1 zeigt schematisch im Schnitt einen Fluidaustragkopf gemäß einem ersten Ausführungsbeispiel, -
Fig. 2 zeigt schematisch den Ventilverschluss des Fluidaustragkopfes gemäßFig. 1 in vergrößerter Darstellung, -
Fig. 3 zeigt den Fluidaustragkopf gemäßFig. 2 mit geöffnetem Ventilverschluss, -
Fig. 4 zeigt schematisch im Schnitt einen Fluidaustragkopf gemäß einem zweiten Ausführungsbeispiel, -
Fig. 5 zeigt den Fluidaustragkopf gemäßFig. 4 mit geöffnetem Ventilverschluss, -
Fig. 6 zeigt schematisch eine Draufsicht des Fluidaustragkopfes gemäßFig. 4 mit teilweise entferntem Austragstutzen, -
Fig. 7 zeigt schematisch im Schnitt einen Fluidaustragkopf gemäß einem dritten Ausführungsbeispiel, -
Fig. 8 zeigt schematisch den Fluidaustragkopf gemäßFig. 7 mit möglichen Wegen des Druckabfalls.
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Fig. 1 shows schematically in section a Fluidaustragkopf according to a first embodiment, -
Fig. 2 schematically shows the valve closure of the fluid discharge according toFig. 1 in an enlarged view, -
Fig. 3 shows the fluid discharge according toFig. 2 with open valve closure, -
Fig. 4 shows schematically in section a Fluidaustragkopf according to a second embodiment, -
Fig. 5 shows the fluid discharge according toFig. 4 with open valve closure, -
Fig. 6 schematically shows a plan view of the fluid discharge according toFig. 4 with partially removed discharge nozzle, -
Fig. 7 shows schematically in section a fluid discharge head according to a third embodiment, -
Fig. 8 schematically shows the fluid discharge according toFig. 7 with possible ways of pressure drop.
Der Fluidaustragkopf 1 und die Austragvorrichtung 2 sind zur Austragsbetätigung unter Verkürzung des Spenders axial gegeneinander bewegbar. Bei Freigabe einer Betätigungskraft kehren sie durch eine Feder F in entgegengesetzter Richtung zur Ausgangsstellung gemäß
Der Fluidaustragkopf 1 umfasst einen Austragstutzen 5 mit einer Austragöffnung 6, die hier stirnseitig am Austragstutzen 5 vorgesehen ist. Der Austragstutzen 5 nimmt eine Innenhülse 7 auf, die einen Medienkanal 8 begrenzt, der an einen Austragabschnitt 26 einer Medienführung 34 in Form von aneinander anschließenden und innerhalb des Fluidaustragkopfes 1 liegenden Kanalabschnitten und/oder Medienräumen anschließt.The
Die Innenhülse 7 kann ferner ein Verbindungsglied 9 zur Verbindung mit dem Gegenstück 4 der Austragvorrichtung 2 aufweisen. Die Innenhülse 7 ist an ihrem der Austragöffnung 6 zugewandten Ende 11 topfförmig ausgebildet zur Ausbildung einer Zylinderkammer 12 in Verbindung mit dem stirnseitigen Ende 13 des Austragstutzens 5, das die Austragöffnung 6 aufweist. Zum Verschließen der Austragöffnung 6 nimmt die Innenhülse 7 einen die Austragöffnung 6 selbsttätig schließenden federbelasteten Ventilkörper 10 auf.The
Der Ventilkörper 10 ist als zylindrischer Kolben ausgebildet, der in der von der Innenhülse 7 kopfseitig gebildeten Zylinderkammer 12 axial verschiebbar ist. Der bewegbare Ventilkörper 10 unterteilt die Zylinderkammer 12 in einen oberen und einen unteren Kammerabschnitt. Der obere Kammerabschnitt bildet eine Druckkammer 19, die an den Medienkanal 8 angeschlossen und zur Austragöffnung 6 hin geöffnet und geschlossen werden kann. Der untere Kammerabschnitt dient zur Aufnahme eines Federelementes, insbesondere einer Druckfeder 20, zur Druckbelastung des Ventilkörpers 10, damit dieser mit einer Vorspannkraft als federbelasteter Ventilkörper 10 die Austragsöffnung 6 verschließt.The
Für den Ventilkörper 10 ist ein oberer Ventilsitz 14 und ein unterer Ventilsitz 15 vorgesehen, die zugleich als Führungslager für die Kolbenenden 16, 17 dienen können. Vorzugsweise dient mindestens einer der beiden Ventilsitze 14, 15 als Führungslager. Der Kolben des Ventilkörpers 10 weist einen Zwischenventilteller 18 auf, der einen Kammerboden der an den Medienkanal 8 angeschlossenen Druckkammer 19 bildet. Der Zwischenventilteller 18 dichtet die Druckkammer 19 zum oberen Ventilsitz 14 ab. Der Zwischenventilteller 18 dient ferner vorzugsweise zur Führung der Bewegung des Ventilkörpers 10 in der Zylinderkammer 12. Der Zwischenventilteller 18 ist vorzugsweise als umlaufende Dichtungslippe ausgebildet, die den Ventilkörper 10 in der Zylinderkammer 12 bei seiner Auf- und Abwärtsbewegung führt. Der Zwischenventilteller 18 bildet einen Kammerboden der Druckkammer 19, der gegenüber der Austragöffnung 6 axial bewegbar ist, und zwar durch Bewegung des Ventilkörpers 10. Der Volumeninhalt der Druckkammer 19 variiert folglich, wobei die Volumenvergrößerung bei Öffnung der Austragöffnung 6 durch den Mediumdruck im Durchlasskanal 21 ausgefüllt wird, so dass keine Keime eindringen können. Die Verkleinerung des Volumeninhalts der Druckkammer 19 beim Schließen der Austragöffnung 6 bewirkt einen Mediumrestschub, der das Eindringen von Keimen verhindert.For the
Zum Öffnen des oberen Ventilsitzes 14 ist in der Druckkammer 19 ein Medienaustragdruck einstellbar, der höher ist als eine den Ventilkörper 10 zuhaltende Federkraft der Druckfeder 20. Die
Der Ventilkörper 10 wird von Medium durchströmt, wozu der Ventilkörper 10 einen Durchlasskanal 21 aufweist, der den Medienkanal 8 mit der Druckkammer 19 verbindet. Vorzugsweise ist der Durchlasskanal 21 zentrisch durch den Ventilkörper 10 geführt. Der Durchlasskanal 21 wird von einem Steigrohrabschnitt gebildet, der auslassseitig vorzugsweise in einer Ringnut 22 endet, die den Durchlasskanal 21 in die Druckkammer 19 überleitet.The
Der untere Ventilsitz 15 hat vorzugsweise die Funktion einer Stopfbuchsendichtung, in der ein tüllenartig verbreitertes Kolbenende 17 des Ventilkörpers 10 abdichtend anliegt, und zwar bei einer Abwärts- und Aufwärtsbewegung des Ventilkörpers 10.The
Der obere Ventilsitz 14 umfasst vorzugsweise eine geschlitzte Buchse 24, die das obere Kolbenende 16 bei der Öffnungs- und Schließbewegung führen kann, andererseits die Anströmung der Austragöffnung 6 durch Buchsenschlitze erlaubt, wenn das obere Kolbenende 16 mit einer vorzugsweise gerundeten Dichtfläche 23 abhebt und die Austragöffnung 6 gegenüber der Druckkammer 19 freigibt. Die Austragöffnung 6 kann eine oder mehrere Öffnungen aufweisen, je nachdem, welches Sprühbild oder Strahlbild erwünscht ist. Die Buchse 24 kann eine Drallkammer ausbilden.The
Die Buchse 24 ist vorzugsweise an dem Austragstutzen 5 ausgebildet und dazu freistehend ausgebildet. Die Druckkammer 19 umgibt die Austragöffnung 6 mit einem Anströmkessel an Fluid, der zwischen dem Zwischenventilteller 18 und dem oberen Ventilsitz 14 eine Standhöhe an Fluid als Anströmreservoir benachbart zur Austragöffnung 6 bereitstellt. Vor dem Abheben des Ventilkörpers 10 von dem oberen Ventilsitz 14 steht das Medium mit einem hohen Anfangsdruck an. Dieser Vordruck in der Druckkammer 19 ist höher als der Umgebungsdruck, so dass beim Freigeben der Austragöffnung 6 das anstehende Medium unmittelbar austritt. Der Vordruck wird vorzugsweise in einem Bereich zwischen 1,5 und 2,3 bar eingestellt.The
Die Öffnungscharakteristik wird bestimmt durch das Übersetzungsverhältnis der projizierten Flächen F1 und F2, wobei F1 durch den Ventilsitz 15 für das untere Kolbenende 17 und dessen Durchmesser bestimmt wird, während F2 durch die Druckkammer 19 und den Durchmesser des Zwischenventiltellers 18 bestimmt wird. F3 bestimmt die Öffnungsweite der Austragöffnung 6 im Bereich der Dichtfläche 23 am oberen Kolbenende des Ventilkörpers 10.The opening characteristic is determined by the gear ratio of the projected areas F1 and F2, where F1 is determined by the
Die Druckfeder 20 ist eingesetzt in die Zylinderkammer 12 und stützt sich ab einerseits an einer Unterseite des Zwischenventiltellers 18 und einer Schulter 27 der Zylinderkammer 12 benachbart zum Ventilsitz 15.The
Der Ventilkörper 10 ist entgegen der Federkraft der Druckfeder 20 axial verschiebbar zum Öffnen und Schließen des oberen Ventilsitzes 14. Der axiale Hub ist begrenzbar durch eine Federkompression und der dadurch ansteigenden Federkraft und/oder durch einen Anschlag, der an dem unteren Ventilsitz 15 vorgesehen sein kann.The axial displacement is limited by a spring compression and thereby increasing spring force and / or by a stopper which may be provided on the
Die Innenhülse 7 sitzt fest angeordnet in dem Austragstutzen 5, wobei die Befestigung lösbar über eine Schnappverbindung erfolgen kann.The
Der Austragstutzen 5 weist für eine manuelle Betätigung unter Aufbringung von Betätigungskräften auf das Gegenstück 4 Fingerauflageflächen 25 auf. Der Austragstutzen 5, der zur Weiterleitung des aus dem Medienbehälter ausgetragenen Fluids dient, schließt mit seinem Medienkanal 8 an einen Austragabschnitt 26 in Form eines Austragkanals des Gegenstücks 4 an. Die Öffnungsweite des Kanals 26 ist wählbar und kann über Einsatzstücke an die gewünschte Fördermenge angepasst werden. Die Kanäle 26, 8 und 21 sind vorzugsweise entlang einer zentralen Achse übereinandergesetzt.The
Der Austragstutzen 5 besitzt hier die Form einer Nasenolive, um als Nasenadapter auf das Gegenstück 4 aufgesetzt werden zu können. Für andere Anwendungszwecke kann der Austragstutzen 5 andere Außenkonturen besitzen.The
Weiterhin unterscheidet sich das zweite Ausführungsbeispiel von dem ersten Ausführungsbeispiel dadurch, dass der Medienkanal 8 an einen Austragabschnitt 26 in Form einer Medienkammer anschließt, die über ein Ventil, insbesondere ein Kugelventil 32, gegenüber einem Rückfluss von Medium abgesperrt bzw. gesichert ist. Der erfindungsgemäße Fluidaustragkopf 1 ist dabei mit einer Vielzahl verschiedener Austrag- und Fördersysteme 33 kombinierbar.Furthermore, the second embodiment differs from the first embodiment in that the
Im Übrigen gelten die vorstehenden Ausführungen zum ersten Ausführungsbeispiel für das zweite Ausführungsbeispiel entsprechend.Incidentally, the above statements apply to the first embodiment of the second embodiment accordingly.
Gemäß einem dritten in
Hierzu ist vorgesehen ein Fluidaustragkopf mit einem eine Austragöffnung 6 aufweisenden Austragstutzen 5, in dem eine Innenhülse 7 angeordnet ist, die einen Medienkanal 8 aufweist und einen die Austragöffnung 6 selbsttätig schließenden federbelasteten Ventilkörper 10 aufnimmt, der als axial verschiebbarer Kolben mit einem oberen 14 und einem unterem Ventilsitz 15 für die Kolbenenden 16, 17 in einem topfförmigen Ende der Innenhülse 7 angeordnet ist. Das topfförmige Ende 11 bildet eine Zylinderkammer 12 für den Ventilkörper 10 mit einem inneren Durchlasskanal 21, und das topfförmige Ende 11 weist eine Wandöffnung 42 zwischen der Zylinderkammer 12 und einem Innenraum 43 des Austragstutzens 5 auf.For this purpose, a fluid discharge head with a
Das topfförmige Ende 11 besitzt eine Wandöffnung 42 zwischen der Zylinderkammer 12 und einem Innenraum 43 des Austragstutzens 5.
Der Fluidaustragkopf 1 weist ferner an dem topfförmigen Ende 11 einen Außennocken 44 auf, der als Anschlag mit einer Rippe 45 an einer Innenwandung 48 des Austragstutzens 5 bei einer axial aufwärts gerichteten Bewegung der Innenhülse 7 zusammenwirkt.The
Der Austragstutzen 5, der zur Weiterleitung des aus dem Medienbehälter ausgetragenen Fluids dient, schließt mit seinem Medienkanal 8 an einen Austragabschnitt 26 in Form eines Austragkanals des Gegenstücks 4 an. Die Öffnungsweite des Kanals 26 ist wählbar und kann über Einsatzstücke an die gewünschte Fördermenge angepasst werden. Die Kanäle 26, 8 und 21 sind vorzugsweise entlang einer zentralen Achse übereinandergesetzt.The
Der Austragstutzen 5 besitzt hier die Form einer Nasenolive, um als Nasenadapter auf das Gegenstück 4 aufgesetzt werden zu können. Für andere Anwendungszwecke kann der Austragstutzen 5 andere Außenkonturen besitzen.The
Im Übrigen gelten die vorstehenden Ausführungen zu dem ersten und zweiten Ausführungsbeispiel des Fluidaustragkopf hier entsprechend.Incidentally, the above statements on the first and second embodiments of the Fluidaustragkopf apply here accordingly.
Claims (13)
- Fluid discharge head for application to a mating piece (4) of a discharge device (2) having a discharge nozzle (5) which has a discharge opening (6) and in which an inner sleeve (7) is arranged, which has a medium duct (8) and houses a spring-loaded valve body (10) automatically closing the discharge opening (6), characterized in that the medium duct (8) extends through the valve body (10) as a passage duct (21), the inner sleeve (7) has a connecting element (9) to provide a connection to the mating piece (4) and the inner sleeve is pot-shaped at its end (11) facing the discharge opening (6), in order to form a potlike cylinder chamber (12) in conjunction with the front end (13) of the discharge nozzle (5), the valve body (10) is formed as a cylindrical piston, which is axially displaceable in the cylinder chamber (12) formed by the inner sleeve (7), wherein an upper (14) and a lower valve seat (15) is provided for the piston ends (16, 17), and the valve body (10) has an intermediate valve plate (18), which forms a chamber bottom of a pressure chamber (19) connected to the medium duct (8), and, in order to open the upper valve seat (14), a medium discharge pressure which is higher than a spring force holding the valve body (10) closed is settable in the pressure chamber, for which purpose a compression spring (20) is inserted into the cylinder chamber (12) and is supported at one end on the bottom of the intermediate valve plate (18) and on a shoulder (27) of the cylinder chamber (12) adjacent to the valve seat (1), for the spring preloading of the valve body (10).
- Fluid discharge head according to claim 1, characterized in that the intermediate valve plate (18) seals off the pressure chamber (19) in relation to the upper valve seat (14).
- Fluid discharge head according to claim 1 or 2, characterized in that the intermediate valve plate (18) is formed as a circumferential sealing lip, which guides the valve body (10) in the cylinder chamber (12) during its upward and downward movement.
- Fluid discharge head according to one of claims 1 10 3, characterized in that the lower valve seat (15) houses in a sealing manner a piston end (17) broadening in the manner of a funnel.
- Fluid discharge head according to one of claims 1 to 4, characterized in that at least one valve seat (14, 15) is formed as a guide bearing for a piston end (16, 17).
- Fluid discharge head according to one of claims 1 to 5, characterized in that the passage duct (21) is led centrally through the valve body (10).
- Fluid discharge head according to one of claims 1 to 6, characterized in that the upper valve seat (14) is formed in a bush (24).
- Fluid discharge head according to claim 7, characterized in that the bush (24) is formed as a slotted self-supporting bush in one piece with the discharge nozzle (5).
- Fluid discharge head according to claim 7, characterized in that the bush (24) is formed as an insertable component (29).
- Fluid discharge head according to claim 9, characterized in that the inserted component (29) is shaped spider-like with legs (30) and has swirl ducts (31) on the top side.
- Fluid discharge head according to one of claims 1 to 10, characterized in that the pressure chamber (19) surrounds the discharge opening (6) with an inflow chamber.
- Fluid discharge head according to one of claims 1 to 11, characterized in that the medium duct (8) adjoins a discharge section (26) of a medium guide (34) in the form of duct sections and/or medium spaces adjoining one another and located within the fluid discharge head (1).
- Fluid discharge head according to claim 12, characterized in that the medium duct (8) is connectable to a chamber-like discharge section (26) of a discharge system (33), secured against reverse flow of medium by a valve (32).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008027598A DE102008027598A1 (en) | 2008-06-10 | 2008-06-10 | Fluid discharge head for use with fluid discharge device, has valve body with intermediate valve disk that defines compartment bottom of pressure chamber, where medium discharge pressure is adjusted in chamber to open upper valve seat |
DE102008027600A DE102008027600A1 (en) | 2008-06-10 | 2008-06-10 | Fluid discharge head for use with fluid discharge device, has valve body with intermediate valve disk that defines compartment bottom of pressure chamber, where medium discharge pressure is adjusted in chamber to open upper valve seat |
PCT/EP2009/003721 WO2009149825A1 (en) | 2008-06-10 | 2009-05-26 | Fluid discharge head |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2293880A1 EP2293880A1 (en) | 2011-03-16 |
EP2293880B1 true EP2293880B1 (en) | 2016-09-28 |
EP2293880B2 EP2293880B2 (en) | 2021-05-05 |
Family
ID=40902219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09761388.9A Active EP2293880B2 (en) | 2008-06-10 | 2009-05-26 | Fluid discharge head |
Country Status (9)
Country | Link |
---|---|
US (1) | US8985401B2 (en) |
EP (1) | EP2293880B2 (en) |
JP (1) | JP5458328B2 (en) |
CN (1) | CN102056677B (en) |
BR (1) | BRPI0915020B1 (en) |
CA (1) | CA2725608C (en) |
ES (1) | ES2609294T5 (en) |
RU (1) | RU2488448C2 (en) |
WO (1) | WO2009149825A1 (en) |
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DE102008027599A1 (en) | 2008-06-10 | 2009-12-31 | Meadwestvaco Calmar Gmbh | Fluidaustragkopf |
FR2975021B1 (en) * | 2011-05-11 | 2014-03-07 | Jacques Gerbron | PUMP FOR DOSING AND DISPENSING A LIQUID OR VISCOUS PRODUCT |
DE102011106261A1 (en) | 2011-05-18 | 2012-11-22 | Meadwestvaco Calmar Gmbh | Dispenser for metered delivery of liquid media |
DE102011101898A1 (en) * | 2011-05-18 | 2012-11-22 | Meadwestvaco Calmar Gmbh | Fluidaustragkopf |
JP6057597B2 (en) * | 2011-08-12 | 2017-01-11 | キャニヨン株式会社 | Accumulated trigger sprayer and its accumulator valve |
CN102357439B (en) * | 2011-10-28 | 2013-05-08 | 中国农业科学院农田灌溉研究所 | fluid pulse spraying device |
DE102012011655B3 (en) | 2012-06-13 | 2013-06-06 | Meadwestvaco Calmar Gmbh | Dispenser for the metered discharge of liquid or pasty media |
USD734448S1 (en) * | 2012-11-28 | 2015-07-14 | Meadwestvaco Calmar Gmbh | Dispenser |
DE102013202531B3 (en) * | 2013-02-16 | 2014-05-28 | Aptar Radolfzell Gmbh | Dispenser for the discharge of liquids |
USD734449S1 (en) * | 2013-05-21 | 2015-07-14 | Meadwestvaco Calmar Gmbh | Dispenser |
DE102016204953A1 (en) * | 2016-03-24 | 2017-09-28 | F. Holzer Gmbh | Metering pump for a metering device and metering device |
DE102016221820A1 (en) * | 2016-11-08 | 2018-05-09 | Beiersdorf Ag | Self-closing dispensing head |
CN107626017B (en) * | 2017-08-16 | 2019-12-31 | 深圳博纳精密给药系统股份有限公司 | Liquid dropping device |
CN111491682B (en) * | 2017-12-22 | 2024-02-13 | 索芙特海尔公司 | Flexible pump chamber |
DE102018003551A1 (en) | 2018-05-03 | 2019-11-07 | Daimler Ag | Filter element and filter assembly |
KR102140284B1 (en) * | 2018-09-06 | 2020-07-31 | 임종수 | Device for spraying liquid cosmetic mist |
WO2020227308A1 (en) * | 2019-05-06 | 2020-11-12 | Alternative Packaging Solutions, Llc | Spray device and methods of assembly and use |
USD980069S1 (en) | 2020-07-14 | 2023-03-07 | Ball Corporation | Metallic dispensing lid |
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- 2009-05-26 US US12/997,078 patent/US8985401B2/en active Active
- 2009-05-26 JP JP2011512856A patent/JP5458328B2/en active Active
- 2009-05-26 CA CA2725608A patent/CA2725608C/en not_active Expired - Fee Related
- 2009-05-26 CN CN200980121889.6A patent/CN102056677B/en active Active
- 2009-05-26 EP EP09761388.9A patent/EP2293880B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
RU2488448C2 (en) | 2013-07-27 |
JP5458328B2 (en) | 2014-04-02 |
JP2011523894A (en) | 2011-08-25 |
EP2293880A1 (en) | 2011-03-16 |
ES2609294T3 (en) | 2017-04-19 |
CN102056677A (en) | 2011-05-11 |
CA2725608C (en) | 2016-09-20 |
CA2725608A1 (en) | 2009-12-17 |
ES2609294T5 (en) | 2021-12-01 |
US8985401B2 (en) | 2015-03-24 |
BRPI0915020A2 (en) | 2015-10-27 |
EP2293880B2 (en) | 2021-05-05 |
BRPI0915020B1 (en) | 2020-02-04 |
US20110084100A1 (en) | 2011-04-14 |
WO2009149825A1 (en) | 2009-12-17 |
CN102056677B (en) | 2014-02-26 |
RU2010154455A (en) | 2012-08-20 |
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