EP1861203A1 - Hand piston pump comprising a blockable distribution head which is used to distribute liquid substances - Google Patents

Hand piston pump comprising a blockable distribution head which is used to distribute liquid substances

Info

Publication number
EP1861203A1
EP1861203A1 EP06723573A EP06723573A EP1861203A1 EP 1861203 A1 EP1861203 A1 EP 1861203A1 EP 06723573 A EP06723573 A EP 06723573A EP 06723573 A EP06723573 A EP 06723573A EP 1861203 A1 EP1861203 A1 EP 1861203A1
Authority
EP
European Patent Office
Prior art keywords
locking sleeve
piston rod
cylinder
dispensing head
hand
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
EP06723573A
Other languages
German (de)
French (fr)
Other versions
EP1861203B1 (en
Inventor
Thomas Hohmann
Robert Pfannhauser
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.)
Silgan Dispensing Systems Hemer GmbH
Original Assignee
MeadWestvaco Calmar 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 MeadWestvaco Calmar GmbH filed Critical MeadWestvaco Calmar GmbH
Publication of EP1861203A1 publication Critical patent/EP1861203A1/en
Application granted granted Critical
Publication of EP1861203B1 publication Critical patent/EP1861203B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position
    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by 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
    • B05B11/01—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
    • B05B11/0005—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

Definitions

  • the invention relates to a hand piston pump with a blockable dispensing head for dispensing fluid substances according to the preamble of claim 1.
  • a hand pump which has an output head which is mounted on the shaft of the pump itself.
  • This shaft is in the normal state of rest against the exterior of a hollow body, which forms the main body of the pump.
  • a hollow and movable shaft Inside the cavity of the main part extends the lower end of a hollow and movable shaft, which is pressed by a spring acting on its lower end, to the outside.
  • a locking sleeve With the hollow body, a locking sleeve is also firmly connected.
  • the pump has one or more cams or small teeth or projections, whereby the dispensing head is lockable on the locking sleeve.
  • the pump has one or more sealing inserts, which are opposite to the outer complete the atmosphere when the dispensing head is locked on the pump main body.
  • the object of the invention is therefore to provide a hand piston pump according to the preamble of claim 1, which is equipped with a locking sleeve and it works wear and reliable.
  • This provides a hand piston pump in which the locking sleeve encapsulates the spring to position the spring to the low-wear spring bias of the dispensing head as well as to control a bias on the locking element, and this encapsulation further forms with the cylinder a raceway for the outer shank portion of the dispensing head ,
  • the locking of the dispensing head is then not only reliably achieved, but also guided the dispensing head at the piston strokes, whereby an oblique pressing on the dispensing head is compensated. Tilting can not occur.
  • the bias acting on the locking element also compensates for manufacturing tolerances without compromising functionality. Oxidation of the fluid substance is precluded because the spring is located outside the product flow.
  • the dispensing head is lockable in the up position and / or the down position.
  • FIG. 1 shows schematically in longitudinal section a hand piston pump at rest
  • FIG. 2 shows schematically in longitudinal section the hand piston pump according to FIG. 1 with the dispensing head lowered
  • FIGS. 1 and 2 shows schematically a perspective side view of the locking sleeve of the hand piston pump according to FIGS. 1 and 2.
  • the invention relates to a hand piston pump with a blockable dispensing head 1 for dispensing fluid substances.
  • the hand piston pump comprises a cylinder 2, the upper end of which is fixedly connected to a closure 3, which is fastened on the mouthpiece of a container, not shown, for receiving a liquid or creamy substance to be dispensed.
  • the closure 3 is provided here with a thread as a closure element.
  • the cylinder 2 may have a rim 4 as the upper termination.
  • An inner locking sleeve 5 is firmly positioned in the cylinder 2 to form a cylinder bushing for a hollow piston rod 6.
  • the locking sleeve 5 is preferably clamped in the cylinder 2, to which the locking sleeve 5 can wear a clamping ring 7 with sealing lip 8, which abuts a shoulder 9 of the cylinder 2 can be supported.
  • the locking sleeve 5 extends along an upper portion of the cylinder 2, wherein an upper end 10 of the locking sleeve 5 can extend to an upper end of the cylinder 2, which is here formed by the rim 4, or projecting with respect to the rim 4.
  • the locking sleeve 5 forms with the cylinder 2 along an upper portion of the cylinder 2 facing the dispensing head 1 a guide channel 11 as a raceway for an outer shaft portion 12 of the dispensing head 1 parallel to the piston rod 6.
  • the dispensing head 1 has, in addition to the outer shaft portion 12 an inner spaced therefrom Shank portion through which the attachment to the piston rod 6 takes place and continues the output channel 29 of the hollow piston rod 6.
  • the piston rod 6 extends with one end 13 into a pump chamber 22 of the cylinder 2 and carries at the other end 14 provided with the outer shaft portion 12 dispensing head 1. At one end 13 is seated a sleeve 15, the pump chamber 22 of the cylinder. 2 to the upper part of the cylinder 2 seals. The end 13 has at least one inlet opening 16 for connecting the pump chamber 22 with a cavity 17 of the hollow piston rod 6.
  • the locking sleeve 5 forms with the piston rod 6 an inner cage 18 for receiving a spring 19, which pushes the piston rod 6 relative to the cylinder 2 outwardly into a rest position and against the spring force, the piston rod 6 is lowered by pressure on the dispensing head 1 for dispensing substance ,
  • the spring 19 is supported, on the one hand, on a base 20 of the locking sleeve 5 and, on the other hand, on a locking element 21 provided on the piston rod 6.
  • the locking element 21 belongs to a device for blocking the dispensing head 1, which comprises at least one locking element, which is engageable with the Verrriegelungshülse 5.
  • the locking sleeve 5 is shown again in Fig. 3 individually.
  • the locking sleeve 5 may be formed with corresponding cutouts 23, 24 into which the locking element 21 of the piston rod 6 can engage.
  • the piston rod 6 preferably has, as a locking element 21, two opposing cams or projections which can be brought into engagement with the cutouts 23, 24 by rotating the piston rod 6 in the locking sleeve 5.
  • the transverse to the longitudinal extent of the locking sleeve 5 extending locking element 21 is guided in a disengagement division in grooves 25 which are formed on the locking sleeve 5 and allow the longitudinal movement in the piston strokes.
  • the pump chamber 22 is preferably temporarily closed by a ball 26 with respect to a riser 27.
  • Fig. 1 the hand piston pump is shown in the rest position. In this up position, the dispensing head 1 can be locked. In the rest position, the outer shaft portion 12 is preferably threaded into the guide channel 11 to ensure sufficient guidance already at the beginning of each piston stroke.
  • the clamping ring 7 of the locking sleeve 5 can form a stop for an immersion depth of the outer shaft portion 12 in the guide channel 11th
  • the hand piston pump is shown in the lowered position.
  • the dispensing head 1 may also be lockable. Air can be sucked in via a suction opening 28 in the wall of the cylinder 2. Seals and / or filters for the incoming air may be provided.

Landscapes

  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to a hand piston pump comprising a blockable distribution head for the distribution of liquid substances. Said pump comprises a cylinder, an internal locking sleeve for a hollow piston rod and which forms a cylinder leadthrough, whereby one end thereof extends into the pump chamber of the cylinder and the other end thereof supports the distribution head which is provided with an external shaft section, a spring which presses the piston rod into a rest position, in relation to the cylinder, in an outward direction. Said piston rod can be lowered by pressure on the distribution head in order to distribute a substance, counter to the spring force thereof, and also comprises a device which is used to block the distribution head, which comprises at least one locking element which can be placed in contact with the locking sleeve. The locking sleeve (5) forms an inner cage (18) with the piston rod (6) in order to receive the spring (19) which presses one side against the base (20) of the locking sleeve (5) and the other side against the locking element (21) which is provided on the piston rod (6). The locking sleeve (5) forms, with the cylinder (2) along the upper section and which is oriented towards the distribution head (1), a guiding channel (11 ) which is parallel to the piston rod (6) as a sliding path for the external shaft section (12) of the distribution head (1).

Description

Handkolbenpumpe mit blockierbarem Ausgabekopf zur Ausgabe von fluiden Substanzen Hand piston pump with blockable dispensing head for dispensing fluid substances
Die Erfindung betrifft eine Handkolbenpumpe mit blockierbarem Ausgabekopf zur Ausgabe von fluiden Substanzen nach dem Oberbegriff des Anspruchs 1.The invention relates to a hand piston pump with a blockable dispensing head for dispensing fluid substances according to the preamble of claim 1.
Aus DE 33 16 308 A1 ist eine Handpumpe bekannt, die einen Ausgabekopf aufweist, der auf dem Schaft der Pumpe selbst angebracht ist. Dieser Schaft steht im normalen Ruhezustand gegenüber dem Äußeren eines hohlen Hauptteils vor, das den Grundkörper der Pumpe bildet. Im Inneren des Hohlraums des Hauptteils verläuft das untere Ende eines hohlen und beweglichen Schaftes, der durch eine Feder, die auf sein unteres Ende einwirkt, nach außen gedrückt wird. Mit dem hohlen Hauptteil ist ferner eine Verriegelungshülse fest verbunden. Die Pumpe weist einen oder mehrere Nocken oder kleine Zähne oder Vorsprünge auf, womit der Ausgabekopf an der Verriegelungshülse verriegelbar ist. Außerdem besitzt die Pumpe einen oder mehrere Dichtungseinsätze, die gegenüber der Außen- atmosphäre abschließen, wenn der Ausgabekopf auf dem Grundkörper der Pumpe verriegelt ist.From DE 33 16 308 A1 a hand pump is known, which has an output head which is mounted on the shaft of the pump itself. This shaft is in the normal state of rest against the exterior of a hollow body, which forms the main body of the pump. Inside the cavity of the main part extends the lower end of a hollow and movable shaft, which is pressed by a spring acting on its lower end, to the outside. With the hollow body, a locking sleeve is also firmly connected. The pump has one or more cams or small teeth or projections, whereby the dispensing head is lockable on the locking sleeve. In addition, the pump has one or more sealing inserts, which are opposite to the outer complete the atmosphere when the dispensing head is locked on the pump main body.
Der Vorteil eines verriegelbaren Ausgabekopfes geht einher mit dem Nachteil, daß beim Niederdrücken des Ausgabekopfes dieser häufig verkantet. Bei verkantetem Ausgabekopf werden die Kolbenhübe unvollständig ausgeführt, so daß Mehrfachbetätigungen erfolgen, die dann unerwünschte Übermengen liefern. Ferner ist der Verschleiß erhöht.The advantage of a lockable dispensing head goes along with the disadvantage that when the dispensing head is pressed down, it often jams. When tilted dispensing head piston strokes are performed incomplete, so that multiple operations are done, which then deliver unwanted excess quantities. Furthermore, the wear is increased.
Aufgabe der Erfindung ist es daher, eine Handkolbenpumpe nach dem Oberbegriff des Anspruchs 1 zu schaffen, die mit einer Verriegelungshülse ausgestattet ist und dabei verschleißarm und zuverlässig arbeitet.The object of the invention is therefore to provide a hand piston pump according to the preamble of claim 1, which is equipped with a locking sleeve and it works wear and reliable.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.
Hierdurch wird eine Handkolbenpumpe geschaffen, bei der die Verriegelungshülse die Feder kapselt, um die Feder zur verschleißarmen Federvorspannung des Ausgabekopfes als auch zur Steuerung einer Vorspannung auf das Verriegelungselement zu positionieren, und diese Kapselung ferner mit dem Zylinder eine Laufbahn für den äußeren Schaftabschnitt des Ausgabekopfes bildet. Die Verriegelung des Ausgabekopfes wird dann nicht nur zuverlässig erreicht, sondern der Ausgabekopf bei den Kolbenhüben auch geführt, wodurch ein schräges Drücken auf den Ausgabekopf ausgeglichen wird. Ein Verkanten kann nicht auftreten. Die auf das Verriegelungselement wirkende Vorspannung gleicht zudem Fertigungstoleranzen ohne Beeinträchtigung der Funktionalität aus. Eine Oxidation der fluiden Substanz ist ausgeschlossen, weil die Feder außerhalb des Produktflusses angeordnet ist.This provides a hand piston pump in which the locking sleeve encapsulates the spring to position the spring to the low-wear spring bias of the dispensing head as well as to control a bias on the locking element, and this encapsulation further forms with the cylinder a raceway for the outer shank portion of the dispensing head , The locking of the dispensing head is then not only reliably achieved, but also guided the dispensing head at the piston strokes, whereby an oblique pressing on the dispensing head is compensated. Tilting can not occur. The bias acting on the locking element also compensates for manufacturing tolerances without compromising functionality. Oxidation of the fluid substance is precluded because the spring is located outside the product flow.
Bevorzugt ist die Verwendung von zwei Vorsprüngen als Verriegelungselement, die als Stifte eine Abstützung für die Feder liefern, ohne daß hierdurch deren Funktion, in einen Ausschnitt eingreifen zu können, um eine Verriegelung zu erreichen, beeinträchtigt würde.Preference is given to the use of two projections as a locking element, which provide a support for the spring as pins without thereby Function to be able to engage in a cutout to achieve a lock would be impaired.
Der Ausgabekopf ist in der Oben-Position und/oder der Unten-Position verriegelbar.The dispensing head is lockable in the up position and / or the down position.
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 des in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert.The invention will be explained in more detail with reference to the embodiment shown in the accompanying drawings.
Fig. 1 zeigt schematisch im Längsschnitt eine Handkolbenpumpe im Ruhezustand,1 shows schematically in longitudinal section a hand piston pump at rest,
Fig. 2 zeigt schematisch im Längsschnitt die Handkolbenpumpe gemäß Fig. 1 mit abgesenktem Ausgabekopf,2 shows schematically in longitudinal section the hand piston pump according to FIG. 1 with the dispensing head lowered,
Fig. 3 zeigt schematisch eine perspektivische Seitenansicht der Verriegelungshülse der Handkolbenpumpe gemäß Fig. 1 und 2.3 shows schematically a perspective side view of the locking sleeve of the hand piston pump according to FIGS. 1 and 2.
Die Erfindung betrifft eine Handkolbenpumpe mit einem blockierbarem Ausgabekopf 1 zur Ausgabe von fluiden Substanzen. Die Handkolbenpumpe umfaßt einen Zylinder 2, dessen oberes Ende fest verbunden ist mit einem Verschluß 3, der auf dem Mundstück eines nicht dargestellten Behälters zur Aufnahme einer auszugebenden flüssigen oder sahnigen Substanz befestigbar ist. Der Verschluß 3 ist hier mit einem Gewinde als Verschlußelement versehen. Der Zylinder 2 kann einen Kranz 4 als oberen Abschluß aufweisen.The invention relates to a hand piston pump with a blockable dispensing head 1 for dispensing fluid substances. The hand piston pump comprises a cylinder 2, the upper end of which is fixedly connected to a closure 3, which is fastened on the mouthpiece of a container, not shown, for receiving a liquid or creamy substance to be dispensed. The closure 3 is provided here with a thread as a closure element. The cylinder 2 may have a rim 4 as the upper termination.
Eine innere Verriegelungshülse 5 sitzt fest positioniert in dem Zylinder 2 unter Ausbildung einer Zylinderdurchführung für eine hohle Kolbenstange 6. Die Verriegelungshülse 5 ist vorzugsweise in den Zylinder 2 eingeklemmt, wozu die Verriegelungshülse 5 einen Klemmring 7 mit Dichtlippe 8 tragen kann, der sich an einem Absatz 9 des Zylinders 2 abstützen kann. Die Verriegelungshülse 5 erstreckt sich entlang eines oberen Teilstücks des Zylinders 2, wobei sich ein oberes Ende 10 der Verriegelungshülse 5 bis zu einem oberen Ende des Zylinders 2, das hier von dem Kranz 4 gebildet wird, erstreckt oder gegenüber dem Kranz 4 vorstehen kann.An inner locking sleeve 5 is firmly positioned in the cylinder 2 to form a cylinder bushing for a hollow piston rod 6. The locking sleeve 5 is preferably clamped in the cylinder 2, to which the locking sleeve 5 can wear a clamping ring 7 with sealing lip 8, which abuts a shoulder 9 of the cylinder 2 can be supported. The locking sleeve 5 extends along an upper portion of the cylinder 2, wherein an upper end 10 of the locking sleeve 5 can extend to an upper end of the cylinder 2, which is here formed by the rim 4, or projecting with respect to the rim 4.
Die Verriegelungshülse 5 bildet mit dem Zylinder 2 entlang eines dem Ausgabekopf 1 zugewandten oberen Abschnitts des Zylinders 2 einen Führungskanal 11 als Laufbahn für einen äußeren Schaftabschnitt 12 des Ausgabekopfes 1 parallel zur Kolbenstange 6. Der Ausgabekopf 1 besitzt neben dem äußeren Schaftabschnitt 12 einen davon beabstandeten inneren Schaftabschnitt, über den die Befestigung an der Kolbenstange 6 erfolgt und der den Ausgabekanal 29 von der hohlen Kolbenstange 6 fortsetzt.The locking sleeve 5 forms with the cylinder 2 along an upper portion of the cylinder 2 facing the dispensing head 1 a guide channel 11 as a raceway for an outer shaft portion 12 of the dispensing head 1 parallel to the piston rod 6. The dispensing head 1 has, in addition to the outer shaft portion 12 an inner spaced therefrom Shank portion through which the attachment to the piston rod 6 takes place and continues the output channel 29 of the hollow piston rod 6.
Die Kolbenstange 6 erstreckt sich mit einem Ende 13 in einen Pumpenraum 22 des Zylinders 2 und trägt an dem anderen Ende 14 den mit dem äußeren Schaftabschnitt 12 versehenen Ausgabekopf 1. An dem einen Ende 13 sitzt eine Manschette 15, die den Pumpenraum 22 des Zylinders 2 zum oberen Teil des Zylinders 2 hin abdichtet. Das Ende 13 besitzt mindestens eine Eintrittsöffnung 16 zur Verbindung des Pumpenraums 22 mit einem Hohlraum 17 der hohlen Kolbenstange 6.The piston rod 6 extends with one end 13 into a pump chamber 22 of the cylinder 2 and carries at the other end 14 provided with the outer shaft portion 12 dispensing head 1. At one end 13 is seated a sleeve 15, the pump chamber 22 of the cylinder. 2 to the upper part of the cylinder 2 seals. The end 13 has at least one inlet opening 16 for connecting the pump chamber 22 with a cavity 17 of the hollow piston rod 6.
Die Verriegelungshülse 5 bildet mit der Kolbenstange 6 einen Innenkäfig 18 zur Aufnahme einer Feder 19, die die Kolbenstange 6 gegenüber dem Zylinder 2 nach außen in eine Ruheposition drückt und gegen deren Federkraft die Kolbenstange 6 durch Druck auf den Ausgabekopf 1 zur Ausgabe von Substanz absenkbar ist. Die Feder 19 stützt sich einerseits an einem Boden 20 der Verriegelungshülse 5 und andererseits an einem an der Kolbenstange 6 vorgesehenen Verriegelungselement 21 ab. Das Verrriegelungselement 21 gehört zu einer Einrichtung zum Blockieren des Ausgabekopfes 1 , die mindestens ein Verriegelungselement umfaßt, das mit der Verrriegelungshülse 5 in Eingriff bringbar ist. Die Verriegelungshülse 5 ist in Fig. 3 nochmals einzeln dargestellt. Um die Handkolbenpumpe mit dem Ausgabekopf 1 in der Oben-Position und/oder der Unten-Position verriegeln zu können, kann die Verriegelungshülse 5 mit entsprechenden Auschnitten 23, 24 ausgebildet sein, in die das Verriegelungselement 21 der Kolbenstange 6 eingreifen kann. Die Kolbenstange 6 weist dazu vorzugsweise als Verriegelungselement 21 zwei gegenüberliegende Nocken oder Vorsprünge auf, die durch ein Drehen der Kolbenstange 6 in der Verriegelungshülse 5 durch Drehen des Ausgabekopfes 1 mit den Ausschnitten 23, 24 in Eingriff bringbar sind. Das quer zur Längserstreckung der Verriegelungshülse 5 sich erstreckende Verriegelungselement 21 ist in einer Außereingriffsteilung in Nuten 25 geführt, die an der Verriegelungshülse 5 ausgebildet sind und die Längsbewegung bei den Kolbenhüben erlauben.The locking sleeve 5 forms with the piston rod 6 an inner cage 18 for receiving a spring 19, which pushes the piston rod 6 relative to the cylinder 2 outwardly into a rest position and against the spring force, the piston rod 6 is lowered by pressure on the dispensing head 1 for dispensing substance , The spring 19 is supported, on the one hand, on a base 20 of the locking sleeve 5 and, on the other hand, on a locking element 21 provided on the piston rod 6. The locking element 21 belongs to a device for blocking the dispensing head 1, which comprises at least one locking element, which is engageable with the Verrriegelungshülse 5. The locking sleeve 5 is shown again in Fig. 3 individually. In order to lock the hand piston pump with the dispensing head 1 in the up position and / or the down position, the locking sleeve 5 may be formed with corresponding cutouts 23, 24 into which the locking element 21 of the piston rod 6 can engage. For this purpose, the piston rod 6 preferably has, as a locking element 21, two opposing cams or projections which can be brought into engagement with the cutouts 23, 24 by rotating the piston rod 6 in the locking sleeve 5. The transverse to the longitudinal extent of the locking sleeve 5 extending locking element 21 is guided in a disengagement division in grooves 25 which are formed on the locking sleeve 5 and allow the longitudinal movement in the piston strokes.
Der Pumpenraum 22 ist vorzugsweise durch eine Kugel 26 gegenüber einem Steigrohr 27 zeitweilig verschließbar.The pump chamber 22 is preferably temporarily closed by a ball 26 with respect to a riser 27.
In Fig. 1 ist die Handkolbenpumpe in der Ruheposition dargestellt. In dieser Oben- Position kann der Ausgabekopf 1 verriegelbar sein. In der Ruheposition ist der äußere Schaftabschnitt 12 in den Führungskanal 11 vorzugsweise eingefädelt, um eine hinreichende Führung bereits zu Beginn eines jeden Kolbenhubs sicherzustellen. Der Klemmring 7 der Verriegelungshülse 5 kann einen Anschlag bilden für eine Eintauchtiefe des äußeren Schaftabschnitts 12 in den Führungskanal 11.In Fig. 1, the hand piston pump is shown in the rest position. In this up position, the dispensing head 1 can be locked. In the rest position, the outer shaft portion 12 is preferably threaded into the guide channel 11 to ensure sufficient guidance already at the beginning of each piston stroke. The clamping ring 7 of the locking sleeve 5 can form a stop for an immersion depth of the outer shaft portion 12 in the guide channel 11th
In Fig. 2 ist die Handkolbenpumpe in der abgesenkten Position dargestellt. In dieser Unten-Position kann der Ausgabekopf 1 ebenfalls verriegelbar sein. Über eine Ansaugöffnung 28 in der Wandung des Zylinders 2 kann Luft angesaugt werden. Dichtungen und/oder Filter für die einströmende Luft können vorgesehen sein. In Fig. 2, the hand piston pump is shown in the lowered position. In this down position, the dispensing head 1 may also be lockable. Air can be sucked in via a suction opening 28 in the wall of the cylinder 2. Seals and / or filters for the incoming air may be provided.

Claims

Patentansprüche claims
1. Handkolbenpumpe mit blockierbarem Ausgabekopf zur Ausgabe von fluiden Substanzen mit einem Zylinder, einer eine Zylinderdurchführung bildenden inneren Verriegelungshülse für eine hohle Kolbenstange, die sich mit einem Ende in einen Pumpenraum des Zylinders erstreckt und an dem anderen Ende den mit einem äußeren Schaftabschnitt versehenen Ausgabekopf trägt, einer Feder, die die Kolbenstange gegenüber dem Zylinder nach außen in eine Ruheposition drückt und gegen deren Federkraft die Kolbenstange durch Druck auf den Ausgabekopf zur Ausgabe von Substanz absenkbar ist, und mit einer Einrichtung zum Blockieren des Ausgabekopfes, die mindestens ein Verriegelungselement umfaßt, das mit der Verriegelungshülse in Eingriff bringbar ist, dadurch gekennzeichnet, daß die Verriegelungshülse (5) mit der Kolbenstange (6) einen Innenkäfig (18) bildet zur Aufnahme der Feder (19), die sich einerseits an einem Boden (20) der Verriegelungshülse (5) und andererseits an dem an der Kolbenstange (6) vorgesehenen Verriegelungselement (21) abstützt, und die Verriegelungshülse (5) entlang des dem Ausgabekopf (1) zugewandten oberen Abschnitts mit dem Zylinder (2) einen Führungskanal (11) als Laufbahn für den äußeren Schaftabschnitt (12) des Ausgabekopfes (1) parallel zur Kolbenstange (6) bildet.A hand piston pump with a blockable dispensing head for dispensing fluid substances with a cylinder, a cylindrical bushing forming an inner locking sleeve for a hollow piston rod which extends with one end into a pump chamber of the cylinder and at the other end carries the provided with an outer shaft portion dispensing head a spring urging the piston rod outwardly towards the cylinder to a rest position against the spring force of which the piston rod is depressurable by pressure on the dispensing head for dispensing substance, and means for blocking the dispensing head comprising at least one locking element is engageable with the locking sleeve, characterized in that the locking sleeve (5) with the piston rod (6) an inner cage (18) for receiving the spring (19), on the one hand at a bottom (20) of the locking sleeve (5 ) and on the other hand on the piston rod (6) provided locking element (21), and the locking sleeve (5) along the output head (1) facing upper portion with the cylinder (2) has a guide channel (11) as a raceway for the outer shaft portion (12) of the dispensing head ( 1) parallel to the piston rod (6).
2. Handkolbenpumpe nach Anspruch 1 , dadurch gekennzeichnet, daß das Verriegelungselement (21) zwei gegenüberliegend angeordnete, quer zur Längserstreckung der Verriegelungshülse (5) sich erstreckende Vorsprünge aufweist.2. Hand piston pump according to claim 1, characterized in that the locking element (21) has two oppositely disposed transversely to the longitudinal extent of the locking sleeve (5) extending projections.
3. Handkolbenpumpe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß in der Ruheposition der äußere Schaftabschnitt (12) des Ausgabekopfes (1) mit einem Anfangsstück in den Führungskanal (11) ragt. 3. Hand piston pump according to claim 1 or 2, characterized in that in the rest position of the outer shaft portion (12) of the dispensing head (1) projects with an initial piece in the guide channel (11).
4. Handkolbenpumpe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verriegelungshülse (5) Ausschnitte (23, 24) aufweist, die mit dem Verriegelungselement (21) in einer Oben-Position und in einer Unten- Position in Eingriff bringbar sind.4. Hand piston pump according to one of claims 1 to 3, characterized in that the locking sleeve (5) cutouts (23, 24) which are engageable with the locking element (21) in an up position and in a down position in engagement ,
5. Handkolbenpumpe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Verriegelungshülse (5) über einen Klemmring (7) in dem Zylinder (2) fest sitzend einsetzbar ist, der einen Anschlag bildet für den äußeren Schaftabschnitt (12) in dem Führungskanal (11). 5. Hand piston pump according to one of claims 1 to 4, characterized in that the locking sleeve (5) via a clamping ring (7) in the cylinder (2) is firmly seated inserted, which forms a stop for the outer shaft portion (12) in the Guide channel (11).
EP06723573.9A 2005-03-23 2006-03-21 Hand piston pump comprising a blockable distribution head which is used to distribute liquid substances Active EP1861203B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005013408A DE102005013408A1 (en) 2005-03-23 2005-03-23 Hand pump for fluid substances has inner locking sleeve forming with piston rod an inner cage with spring and guide channel for outer shaft section of delivery head for securely guided movement
PCT/EP2006/002559 WO2006100028A1 (en) 2005-03-23 2006-03-21 Hand piston pump comprising a blockable distribution head which is used to distribute liquid substances

Publications (2)

Publication Number Publication Date
EP1861203A1 true EP1861203A1 (en) 2007-12-05
EP1861203B1 EP1861203B1 (en) 2013-05-08

Family

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Application Number Title Priority Date Filing Date
EP06723573.9A Active EP1861203B1 (en) 2005-03-23 2006-03-21 Hand piston pump comprising a blockable distribution head which is used to distribute liquid substances

Country Status (5)

Country Link
US (1) US20080190960A1 (en)
EP (1) EP1861203B1 (en)
CN (1) CN100546726C (en)
DE (1) DE102005013408A1 (en)
WO (1) WO2006100028A1 (en)

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DE602006009827D1 (en) * 2006-11-16 2009-11-26 Guala Dispensing Spa Trigger-type atomizer with lockable actuator
US7931172B2 (en) * 2007-04-16 2011-04-26 Roy Kuo Pump dispenser used with lotion bottle
ITVI20110230A1 (en) * 2011-08-05 2013-02-06 Stefano Doria DEVICE FOR DISTRIBUTION OF FLUIDS AND LIQUIDS
US20150090738A1 (en) * 2013-09-27 2015-04-02 Emsar S.P.A Actuating device for a dispensing pump of a dispenser
CN106481519B (en) * 2015-08-26 2019-11-15 深圳市莱德士科技有限公司 Energy storage device and the booster pump for using the device
CN105396721A (en) * 2015-10-23 2016-03-16 上海应用技术学院 Pressing atomizer nozzle with self-locking structure
WO2019238237A1 (en) * 2018-06-14 2019-12-19 Coster Tecnologie Speciali S.P.A. A manual piston pump for a fluid container
IT201800007700A1 (en) * 2018-07-31 2020-01-31 Aptar Italia Spa A DISPENSER FOR THE DISPENSING OF A FLUID
CN110155489B (en) 2019-06-18 2024-05-17 兴必盛塑业(南通)有限公司 Pump assembly and container with content discharging function

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See references of WO2006100028A1 *

Also Published As

Publication number Publication date
CN101171088A (en) 2008-04-30
WO2006100028A1 (en) 2006-09-28
DE102005013408A1 (en) 2006-09-28
WO2006100028A8 (en) 2007-12-13
EP1861203B1 (en) 2013-05-08
US20080190960A1 (en) 2008-08-14
CN100546726C (en) 2009-10-07

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