EP2062657A1 - Extrusion tool - Google Patents

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Publication number
EP2062657A1
EP2062657A1 EP08105657A EP08105657A EP2062657A1 EP 2062657 A1 EP2062657 A1 EP 2062657A1 EP 08105657 A EP08105657 A EP 08105657A EP 08105657 A EP08105657 A EP 08105657A EP 2062657 A1 EP2062657 A1 EP 2062657A1
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EP
European Patent Office
Prior art keywords
guide slot
actuating lever
bearing pin
load arm
squeezing device
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
EP08105657A
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German (de)
French (fr)
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EP2062657B1 (en
Inventor
Christian Hefele
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.)
Hilti AG
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Hilti AG
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Publication date
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Publication of EP2062657A1 publication Critical patent/EP2062657A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B05C17/0116—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like characterised by the piston driving means
    • B05C17/012—Stepwise advancing mechanism, e.g. pawl and ratchets
    • B05C17/0123—Lever actuated
    • B05C17/0126—Lever actuated comprising an element, e.g. an arc compensating element, articulated at one end on the lever and at the other end on the piston rod driving means, e.g. a pawl

Definitions

  • the invention relates to a squeezing device for mass-containing container with a receiving space for the container, with at least one displaceable relative to the receiving space piston rod and with a squeezing device having a housing, at least one for advancing the piston rod in the housing pivotally mounted feed element and a handle with a an axis of rotation pivotable actuating lever, which is provided for actuation of the feed element at the feed element facing the end of the load arm engageable with the feed element in contact pressure transmitting means, wherein the length of the load arm of the pressure transmission means is adjustable to the axis of rotation of the actuating lever.
  • Containers include, for example cartridges with one or more receiving spaces for one or more components of the mass to be applied, the direct or z.
  • B. in foil bags are provided in the receiving spaces of the cartridge.
  • the term "container” also includes foil bags filled with one or more components of the mass to be delivered, which are inserted into a separate receiving body or arranged on the ejection device.
  • the pressure transmitting means acts on the advancing element, so that the piston rod is advanced over a predetermined amount.
  • a pressure piston arranged on the piston rod acts on the mass located in the container, so that with each advance of the piston rod a corresponding amount of the mass is discharged through a dispensing opening.
  • different feed forces for discharging the mass contained in the container are advantageous. If higher than the effective feed forces can be generated, more mass could be applied in the same time with the squeezing device. If the force required to operate the actuating lever is high in order to apply the necessary feed forces for applying the mass to it, this can very quickly lead to fatigue for the user.
  • a squeezing device for mass-containing container which has an actuating lever with a fixed relative to the housing fulcrum.
  • a guide element arranged displaceably in a guide is provided on the feed element facing the end of the load arm of the actuating lever with a pressure transmission means which acts upon actuation of the actuating lever on the feed element.
  • the element with the pressure transmission means in a desired position can be fixed.
  • a disadvantage of the known solution is that for moving the bearing element and thus for adjusting the gear ratio tool is required and the housing must be opened.
  • the object of the invention is to provide a squeezing device for different masses, in which the lever ratio can be adjusted as required by the user, but the squeezing device is simple in construction.
  • a guide slot and at least one pivot axis forming the bearing pin is provided, which is displaceably guided along the guide slot for adjusting the length of the load.
  • the length of the load arm can be varied in at least two positions, wherein the ends of the guide link limit the maximum adjustability of the bearing pin relative to the housing of the ejection device.
  • a short load arm can be adjusted, with the mass is applied at a high power requirement on the feed element with a pleasant hand force and low feed.
  • a longer load arm can be set, which allows for a lower power requirement on the feed element a faster deployment of the mass, as larger amounts of mass per stroke or each actuation of the operating lever are promoted.
  • the user can adjust the transmission ratio as needed and thus determine the force exerted on the advancing element.
  • the pressure transmitting means is formed, for example, as a surface or an edge.
  • the guide slot is provided on the operating lever of the handle.
  • the at least one axis of rotation of the actuating lever forming the bearing pin is accordingly provided in or on the housing of the ejection device. This allows easy operation and a simple design of the adjustment, which allows a cost-effective design and production of the squeezing.
  • the bearing pin is spring-loaded for fixing in the guide slot, whereby the actuating lever is fixed with a certain lever ratio.
  • the fixation of the bearing pin is released and the actuating lever is displaceable for setting a different lever ratio. If the desired lever ratio of the actuating lever gear ratio is set, the actuating lever is pulled when released again by the spring force to the limit of the guide slot and thereby fixed in this orientation.
  • At least two bearing receptacles for the at least one bearing pin are provided in the guide slot, which define at least two different leverage ratios of the actuating lever.
  • the bearing mounts ensure easy operation of the squeezing device, since the axis of rotation forming the bearing pin is held securely in the bearing seats up to a repositioning of the actuating lever, especially when the bearing pin is spring loaded.
  • the in the FIGS. 1 to 2 illustrated squeezing device 11 for mass-containing container has a receiving space 12 for the container, a respect to the receiving space 12 displaceable piston rod 13, at the end facing the receiving space 12 a pressure piston 14 is provided for acting on the container, and a squeezing device 16.
  • the ejection device 16 has a housing 17, a feed element 18 pivotally mounted for advancing the piston rod 13 in the housing 17, and a hang grip 19 with a stationary grip part 20 and an actuating lever 21 pivotable about a rotation axis 22.
  • the operating lever 21 has a power arm 25 with a handle portion and a load arm 24.
  • a pressure-transmitting means 23 which can be brought into contact with the advancing element 18 is provided on the end of the load arm 24 facing the advancing element 18.
  • the axis of rotation 22 of the actuating lever 21 is displaceable to change the lever ratio and thus the entire operating lever 21 relative to the housing 17 of the ejection device 16, wherein the length L1 of the load arm 24 is adjustable from the pressure transmission means 23 to the axis of rotation 22 of the actuating lever 21.
  • On the actuating lever 21 of the handle 19 is a guide slot 26 and in the housing 17 a guided along the guide slot 26, the axis of rotation 22 forming the bearing pin 31 is provided.
  • the guide slot 26 has at its ends depending on a bearing receptacle 27 and 28 for the bearing pin 31.
  • the bearing pin 31 is spring-loaded for fixing in the guide slot 26 via a coil spring 32.
  • the piston rods 13 Upon actuation of the actuating lever 21, the piston rods 13 is advanced with the pressure piston 14 via the feed element 18, wherein the component located in the container or components of the mass z. B. be deployed by a mixer housing at the desired application site.
  • a short load arm 24 In this position of the operating lever 21 is a short load arm 24 is set with the length L1, with which at a high power requirement on the feed element 18 and for discharging the mass, this is applied with a pleasant manual force and low feed.
  • FIG. 3 is a Auspressvorraum 41 with a squeezing device 46 shown in fragmentary form, in which the guide slot 56 on a separate, with the housing (not shown here) connected to element 59 and the axis of rotation 52 forming the bearing pin 61 is provided on the actuating lever 51.
  • the bearing pin 61 is spring loaded with the coil spring 62 held in the bearing receivers 57 and 58 respectively.
  • the axis of rotation 52 of the actuating lever 51 is displaceable to change the lever ratio relative to the housing 47 of the ejection device 46.
  • a longer load arm 54 is set with the length L2, with which at a low power requirement on the feed element 48 and for discharging the mass, this is applied faster, as larger amounts of mass per stroke are promoted.
  • the length of the power arm 55 from the rotation axis 22 to the grip portion of the power arm 55 is shorter than that in the FIG. 2 shown corresponding position of the actuating lever 51 (not shown here).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Coating Apparatus (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Automatic Assembly (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

The pressing device has receiving chamber for bundles, and a piston rod (13) adjustable opposite to the receiving chamber. A pressure transmission unit (23) brought with a feed element (18) is provided in a system for manipulation of the feed element at the end rotated to feed element of a load arm (24). A guidance link (26) and a bearing pin (31) are provided to form an axis of rotation (22), which is controlled along the guidance link in a displaceable manner, for adjusting the length of the load arms.

Description

Die Erfindung betrifft eine Auspressvorrichtung für Massen enthaltende Gebinde mit einem Aufnahmeraum für das Gebinde, mit zumindest einer gegenüber dem Aufnahmeraum verschiebbaren Kolbenstange und mit einer Auspresseinrichtung, die ein Gehäuse, zumindest ein zum Vorschub der Kolbenstange im Gehäuse verschwenkbar gelagertes Vorschubelement und ein Handgriff mit einem um eine Drehachse verschwenkbaren Betätigungshebel aufweist, der für eine Betätigung des Vorschubelementes an dem dem Vorschubelement zugewandten Ende des Lastarms ein mit dem Vorschubelement in Anlage bringbares Druckübertragungsmittel vorgesehen ist, wobei die Länge des Lastarms von dem Druckübertragungsmittel bis zur Drehachse des Betätigungshebels verstellbar ist.The invention relates to a squeezing device for mass-containing container with a receiving space for the container, with at least one displaceable relative to the receiving space piston rod and with a squeezing device having a housing, at least one for advancing the piston rod in the housing pivotally mounted feed element and a handle with a an axis of rotation pivotable actuating lever, which is provided for actuation of the feed element at the feed element facing the end of the load arm engageable with the feed element in contact pressure transmitting means, wherein the length of the load arm of the pressure transmission means is adjustable to the axis of rotation of the actuating lever.

Eine derartige Auspressvorrichtung dient dem Ausbringen von in Gebinden verpackten Massen, wie Mörtel- oder Dichtmassen, an einem Applikationsort. Gebinde umfassen beispielsweise Kartuschen mit einem oder mehreren Aufnahmeräumen für eine oder mehrere Komponenten der auszubringenden Masse, die direkt oder z. B. in Folienbeutel verpackt in den Aufnahmeräumen der Kartusche vorgesehen sind. Der Begriff "Gebinde" umfasst zudem mit einer oder mehreren Komponenten der auszubringenden Masse befüllte Folienbeutel, die in einen separaten oder an der Auspressvorrichtung angeordneten Aufnahmekörper eingesetzt werden.Such a squeezing device serves to dispense packaged masses, such as mortar or sealants, at an application site. Containers include, for example cartridges with one or more receiving spaces for one or more components of the mass to be applied, the direct or z. B. in foil bags are provided in the receiving spaces of the cartridge. The term "container" also includes foil bags filled with one or more components of the mass to be delivered, which are inserted into a separate receiving body or arranged on the ejection device.

Bei Betätigung des Betätigungshebels wirkt das Druckübertragungsmittel auf das Vorschubelement ein, so dass die Kolbenstange über ein vorbestimmtes Mass vorgeschoben wird. Beispielsweise ein an der Kolbenstange angeordneter Druckkolben wirkt auf die in dem Gebinde befindliche Masse ein, so dass bei jedem Vorschub der Kolbenstange eine entsprechende Menge der Masse durch eine Ausgabeöffnung ausgebracht wird.Upon actuation of the actuating lever, the pressure transmitting means acts on the advancing element, so that the piston rod is advanced over a predetermined amount. For example, a pressure piston arranged on the piston rod acts on the mass located in the container, so that with each advance of the piston rod a corresponding amount of the mass is discharged through a dispensing opening.

Die Länge des Lastarms des Betätigungshebels von der Drehachse bis zum Druckübertragungsmittel im Verhältnis zur Länge des Kraftarms von der Drehachse bis zum Griffabschnitt des Kraftarms, an dem der Anwender mit der Hand den Betätigungshebel betätigt, bestimmt dabei das Hebelverhältnis der beiden Arme des Betätigungshebels. In Abhängigkeit von der Art der auszubringenden Masse oder von äusseren Einflüssen sind unterschiedliche Vorschubkräfte zum Ausbringen der im Gebinde enthaltenen Massen vorteilhaft. Können höhere als die effektiven Vorschubkräfte erzeugt werden, liesse sich mehr Masse in der gleichen Zeit mit der Auspressvorrichtung ausbringen. Ist die erforderliche Kraft zur Betätigung des Betätigungshebels hoch, um die notwendigen Vorschubkräfte zum Ausbringen der Masse auf diese aufzubringen, so kann dies sehr schnell zur Ermüdung des Anwenders führen.The length of the load arm of the actuating lever from the axis of rotation to the pressure transmission means in relation to the length of the power arm from the axis of rotation to the Handle portion of the power arm on which the user actuates the operating lever by hand, thereby determines the lever ratio of the two arms of the actuating lever. Depending on the nature of the auszubringenden mass or external influences different feed forces for discharging the mass contained in the container are advantageous. If higher than the effective feed forces can be generated, more mass could be applied in the same time with the squeezing device. If the force required to operate the actuating lever is high in order to apply the necessary feed forces for applying the mass to it, this can very quickly lead to fatigue for the user.

Aus der US 5,197,635 ist eine Auspressvorrichtung für Massen enthaltende Gebinde bekannt, die einen Betätigungshebel mit einem gegenüber dem Gehäuse festen Drehpunkt aufweist. Zum Einstellen unterschiedlicher Hebelverhältnisse ist an dem dem Vorschubelement zugewandten Ende des Lastarms des Betätigungshebels ein in einer Führung verschieblich angeordnetes Element mit einem Druckübertragungsmittel vorgesehen, die bei der Betätigung des Betätigungshebels auf das Vorschubelement wirkt. Mit einer Spannschraube ist das Element mit dem Druckübertragungsmittel in einer gewünschten Position fixierbar.From the US 5,197,635 a squeezing device for mass-containing container is known, which has an actuating lever with a fixed relative to the housing fulcrum. For setting different lever ratios, a guide element arranged displaceably in a guide is provided on the feed element facing the end of the load arm of the actuating lever with a pressure transmission means which acts upon actuation of the actuating lever on the feed element. With a clamping screw, the element with the pressure transmission means in a desired position can be fixed.

Nachteilig an der bekannten Lösung ist, dass zum Verschieben des Lagerelementes und somit zum Verstellen des Übersetzungsverhältnisses Werkzeug erforderlich ist und das Gehäuse geöffnet werden muss.A disadvantage of the known solution is that for moving the bearing element and thus for adjusting the gear ratio tool is required and the housing must be opened.

Aufgabe der Erfindung ist es, eine Auspressvorrichtung für unterschiedliche Massen zu schaffen, bei dem das Hebelverhältnis vom Anwender bedarfsweise anpassbar ist, wobei die Auspressvorrichtung jedoch einfach im Aufbau ist.The object of the invention is to provide a squeezing device for different masses, in which the lever ratio can be adjusted as required by the user, but the squeezing device is simple in construction.

Die Aufgabe ist durch die Merkmale der unabhängigen Ansprüche gelöst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen dargelegt.The object is solved by the features of the independent claims. Advantageous developments are set forth in the subclaims.

Gemäss der Erfindung sind eine Führungskulisse und wenigstens ein die Drehachse bildender Lagerstift vorgesehen, der entlang der Führungskulisse zum Einstellen der Länge des Lastarms versetzbar geführt ist.According to the invention, a guide slot and at least one pivot axis forming the bearing pin is provided, which is displaceably guided along the guide slot for adjusting the length of the load.

Die Länge des Lastarms kann in zumindest zwei Positionen variiert werden, wobei die Enden der Führungskulisse die maximale Verstellbarkeit des Lagestifts gegenüber dem Gehäuse der Auspresseinrichtung beschränken. Einerseits kann ein kurzer Lastarm eingestellt werden, mit dem bei einem hohen Kraftbedarf am Vorschubelement mit angenehmer Handkraft und geringem Vorschub die Masse ausgebracht wird. Andererseits kann ein längerer Lastarm eingestellt werden, der bei einem geringeren Kraftbedarf am Vorschubelement ein schnelleres Ausbringen der Masse ermöglicht, da grössere Mengen der Masse pro Hub beziehungsweise bei jeder Betätigung des Betätigungshebels gefördert werden. Der Anwender kann jederzeit und ohne jegliche Hilfsmittel das Übersetzungsverhältnis bedarfsweise anpassen und somit die auf das Vorschubelement ausgeübte Kraft bestimmen. Das Druckübertragungsmittel ist beispielsweise als eine Fläche oder eine Kante ausgebildet.The length of the load arm can be varied in at least two positions, wherein the ends of the guide link limit the maximum adjustability of the bearing pin relative to the housing of the ejection device. On the one hand, a short load arm can be adjusted, with the mass is applied at a high power requirement on the feed element with a pleasant hand force and low feed. On the other hand, a longer load arm can be set, which allows for a lower power requirement on the feed element a faster deployment of the mass, as larger amounts of mass per stroke or each actuation of the operating lever are promoted. At any time and without any aids, the user can adjust the transmission ratio as needed and thus determine the force exerted on the advancing element. The pressure transmitting means is formed, for example, as a surface or an edge.

Vorzugsweise ist die Führungskulisse am Betätigungshebel des Handgriffs vorgesehen. Der zumindest eine die Drehachse des Betätigungshebels ausbildende Lagerstift ist dementsprechend im oder am Gehäuse der Auspresseinrichtung vorgesehen. Dies ermöglicht eine einfache Bedienung sowie eine einfache Ausgestaltung des Verstellmechanismus, was eine kostengünstige Ausgestaltung und Herstellung der Auspressvorrichtung ermöglicht.Preferably, the guide slot is provided on the operating lever of the handle. The at least one axis of rotation of the actuating lever forming the bearing pin is accordingly provided in or on the housing of the ejection device. This allows easy operation and a simple design of the adjustment, which allows a cost-effective design and production of the squeezing.

Bevorzugt ist der Lagerstift zur Fixierung in der Führungskulisse federbeaufschlagt, womit der Betätigungshebel mit einem bestimmten Hebelverhältnis fixiert ist. Durch eine Auslenkung des Betätigungshebels entgegen der Federkraft, vorteilhaft entgegen der Betätigungsrichtung des Kraftarms, wird die Fixierung des Lagerstifts aufgehoben und der Betätigungshebel ist zum Einstellen eines anderen Hebelverhältnisses verschiebbar. Ist das gewünschte Hebelverhältnis des Betätigungshebels Übersetzungsverhältnis eingestellt, wird der Betätigungshebel beim Loslassen wieder durch die Federkraft an die Begrenzung der Führungskulisse gezogen und dadurch in dieser Ausrichtung fixiert.Preferably, the bearing pin is spring-loaded for fixing in the guide slot, whereby the actuating lever is fixed with a certain lever ratio. By a deflection of the actuating lever against the spring force, advantageously against the operating direction of the power arm, the fixation of the bearing pin is released and the actuating lever is displaceable for setting a different lever ratio. If the desired lever ratio of the actuating lever gear ratio is set, the actuating lever is pulled when released again by the spring force to the limit of the guide slot and thereby fixed in this orientation.

Vorzugsweise sind in der Führungskulisse zumindest zwei Lageraufnahmen für den zumindest einen Lagerstift vorgesehen, die zumindest zwei unterschiedliche Hebelverhältnisse des Betätigungshebels definieren. Die Lageraufnahmen gewährleisten eine einfache Bedienung der Auspressvorrichtung, da der die Drehachse ausbildende Lagerstift in den Lageraufnahmen bis zu einer Umpositionierung des Betätigungshebels sicher gehalten ist, dies insbesondere wenn der Lagerstift federbeaufschlagt ist.Preferably, at least two bearing receptacles for the at least one bearing pin are provided in the guide slot, which define at least two different leverage ratios of the actuating lever. The bearing mounts ensure easy operation of the squeezing device, since the axis of rotation forming the bearing pin is held securely in the bearing seats up to a repositioning of the actuating lever, especially when the bearing pin is spring loaded.

Die Erfindung wird nachstehend anhand von zwei Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
Eine Auspressvorrichtung in Seitenansicht;
Fig. 2
einen Teilschnitt durch die Auspresseinrichtung gemäss Linie II-II in Fig. 1 mit dem Betätigungshebel in einer ersten Stellung; und
Fig. 3
einen Teilschnitt durch eine Variante der Auspresseinrichtung analog der Fig. 2 mit dem Betätigungshebel in einer zweiten Stellung.
The invention will be explained in more detail below with reference to two exemplary embodiments. Show it:
Fig. 1
A squeezing device in side view;
Fig. 2
a partial section through the ejection device according to line II-II in Fig. 1 with the operating lever in a first position; and
Fig. 3
a partial section through a variant of the ejection device analogous to Fig. 2 with the operating lever in a second position.

Grundsätzlich sind in den Figuren gleiche Teile mit den gleichen Bezugszeichen versehen.Basically, the same parts are provided with the same reference numerals in the figures.

Die in den Figuren 1 bis 2 dargestellte Auspressvorrichtung 11 für Massen enthaltende Gebinde weist einen Aufnahmeraum 12 für das Gebinde, eine gegenüber dem Aufnahmeraum 12 verschiebbare Kolbenstange 13, an der an einem dem Aufnahmeraum 12 zugewandten Ende ein Druckkolben 14 zur Beaufschlagung des Gebindes vorgesehen ist, und eine Auspresseinrichtung 16 auf.The in the FIGS. 1 to 2 illustrated squeezing device 11 for mass-containing container has a receiving space 12 for the container, a respect to the receiving space 12 displaceable piston rod 13, at the end facing the receiving space 12 a pressure piston 14 is provided for acting on the container, and a squeezing device 16.

Die Auspresseinrichtung 16 weist ein Gehäuse 17, ein zum Vorschub der Kolbenstange 13 im Gehäuse 17 verschwenkbar gelagertes Vorschubelement 18 und einen Hangriff 19 mit einem ortsfesten Griffteil 20 sowie einen um eine Drehachse 22 verschwenkbaren Betätigungshebel 21 auf. Der Betätigungshebel 21 weist einen Kraftarm 25 mit einem Griffabschnitt und einen Lastarm 24 auf. Für eine Betätigung des Vorschubelementes 18 ist an dem dem Vorschubelement 18 zugewandten Ende des Lastarms 24 ein mit dem Vorschubelement 18 in Anlage bringbares Druckübertragungsmittel 23 vorgesehen. Die Drehachse 22 des Betätigungshebels 21 ist zum Ändern des Hebelverhältnisses und somit der gesamte Betätigungshebel 21 gegenüber dem Gehäuse 17 der Auspresseinrichtung 16 verschiebbar, wobei die Länge L1 des Lastarms 24 von dem Druckübertragungsmittel 23 bis zur Drehachse 22 des Betätigungshebels 21 verstellbar ist. Am Betätigungshebel 21 des Handgriffs 19 ist eine Führungskulisse 26 und im Gehäuse 17 ein entlang der Führungskulisse 26 geführter, die Drehachse 22 bildender Lagerstift 31 vorgesehen. Die Führungskulisse 26 weist an ihren Enden je eine Lageraufnahme 27 bzw. 28 für den Lagerstift 31 auf. Der Lagerstift 31 ist zur Fixierung in der Führungskulisse 26 über eine Schraubenfeder 32 federbeaufschlagt. Durch eine Schwenkbewegung des Kraftarms 25 des Betätigungshebels 21 in Bezug auf die Darstellung in Figur 2 entgegen den Uhrzeigersinn wird der Eingriff des Lagerstifts 31 in der Lageraufnahme 27 aufgehoben und der Betätigungshebels 21 kann zum Einstellen eines anderen Übersetzungsverhältnisses verschoben werden.The ejection device 16 has a housing 17, a feed element 18 pivotally mounted for advancing the piston rod 13 in the housing 17, and a hang grip 19 with a stationary grip part 20 and an actuating lever 21 pivotable about a rotation axis 22. The operating lever 21 has a power arm 25 with a handle portion and a load arm 24. For an actuation of the advancing element 18, a pressure-transmitting means 23 which can be brought into contact with the advancing element 18 is provided on the end of the load arm 24 facing the advancing element 18. The axis of rotation 22 of the actuating lever 21 is displaceable to change the lever ratio and thus the entire operating lever 21 relative to the housing 17 of the ejection device 16, wherein the length L1 of the load arm 24 is adjustable from the pressure transmission means 23 to the axis of rotation 22 of the actuating lever 21. On the actuating lever 21 of the handle 19 is a guide slot 26 and in the housing 17 a guided along the guide slot 26, the axis of rotation 22 forming the bearing pin 31 is provided. The guide slot 26 has at its ends depending on a bearing receptacle 27 and 28 for the bearing pin 31. The bearing pin 31 is spring-loaded for fixing in the guide slot 26 via a coil spring 32. By a pivoting movement of the power arm 25 of the actuating lever 21 with respect to the illustration in FIG FIG. 2 counterclockwise the engagement of the bearing pin 31 in the bearing seat 27 is released and the operating lever 21 can be moved to set a different gear ratio.

Beim Betätigen des Betätigungshebels 21 wird über das Vorschubelement 18 die Kolbenstangen 13 mit den Druckkolben 14 vorgeschoben, wobei die sich in dem Gebinde befindliche Komponente oder Komponenten der Masse z. B. durch ein Mischergehäuse am gewünschten Applikationsort ausgebracht werden. In dieser Stellung des Betätigungshebels 21 ist ein kurzer Lastarm 24 mit der Länge L1 eingestellt, mit dem bei einem hohen Kraftbedarf am Vorschubelement 18 beziehungsweise zum Ausbringen der Masse diese mit angenehmer Handkraft und geringem Vorschub ausgebracht wird.Upon actuation of the actuating lever 21, the piston rods 13 is advanced with the pressure piston 14 via the feed element 18, wherein the component located in the container or components of the mass z. B. be deployed by a mixer housing at the desired application site. In this position of the operating lever 21 is a short load arm 24 is set with the length L1, with which at a high power requirement on the feed element 18 and for discharging the mass, this is applied with a pleasant manual force and low feed.

In der Figur 3 ist eine Auspressvorrichtung 41 mit einer Auspresseinrichtung 46 ausschnittsweise gezeigt, bei der die Führungskulisse 56 an einem separaten, mit dem Gehäuse (hier nicht dargestellt) verbundenen Element 59 und der die Drehachse 52 bildende Lagerstift 61 am Betätigungshebel 51 vorgesehen ist. Der Lagerstift 61 ist mit der Schraubenfeder 62 federbeaufschlagt in den Lageraufnahmen 57 bzw. 58 gehalten. Die Drehachse 52 des Betätigungshebels 51 ist zum Ändern des Hebelverhältnisses gegenüber dem Gehäuse 47 der Auspresseinrichtung 46 verschiebbar. In dieser gezeigten Stellung des Betätigungshebels 51 ist ein längerer Lastarm 54 mit der Länge L2 eingestellt, mit dem bei einem geringen Kraftbedarf am Vorschubelement 48 beziehungsweise zum Ausbringen der Masse diese schneller ausgebracht wird, da grössere Mengen der Masse pro Hub gefördert werden. Die Länge des Kraftarms 55 von der Drehachse 22 bis zum Griffabschnitt des Kraftarms 55 ist kürzer als bei der in der Figur 2 dargestellten entsprechenden Stellung des Betätigungshebels 51 (hier nicht dargestellt).In the FIG. 3 is a Auspressvorrichtung 41 with a squeezing device 46 shown in fragmentary form, in which the guide slot 56 on a separate, with the housing (not shown here) connected to element 59 and the axis of rotation 52 forming the bearing pin 61 is provided on the actuating lever 51. The bearing pin 61 is spring loaded with the coil spring 62 held in the bearing receivers 57 and 58 respectively. The axis of rotation 52 of the actuating lever 51 is displaceable to change the lever ratio relative to the housing 47 of the ejection device 46. In this illustrated position of the actuating lever 51, a longer load arm 54 is set with the length L2, with which at a low power requirement on the feed element 48 and for discharging the mass, this is applied faster, as larger amounts of mass per stroke are promoted. The length of the power arm 55 from the rotation axis 22 to the grip portion of the power arm 55 is shorter than that in the FIG. 2 shown corresponding position of the actuating lever 51 (not shown here).

Claims (4)

Auspressvorrichtung für Massen enthaltende Gebinde mit einem Aufnahmeraum (12) für das Gebinde, mit zumindest einer gegenüber dem Aufnahmeraum (12) verschiebbaren Kolbenstange (13) und mit einer Auspresseinrichtung (16; 46),
die ein Gehäuse (17; 47), zumindest ein zum Vorschub der Kolbenstange (13) im Gehäuse (17; 47) verschwenkbar gelagertes Vorschubelement (18; 48) und einen Handgriff (19) mit einem um eine Drehachse (22; 52) verschwenkbaren Betätigungshebel (21; 51) aufweist, der einen Kraftarm (25; 55) mit einem Griffabschnitt und einen Lastarm (24; 54) aufweist, wobei
für eine Betätigung des Vorschubelementes (18; 48) an dem dem Vorschubelement (18; 48) zugewandten Ende des Lastarms (24; 54) ein mit dem Vorschubelement (18; 48) in Anlage bringbares Druckübertragungsmittel (23; 53) vorgesehen ist, wobei
die Länge (L1; L2) des Lastarms (24; 54) von dem Druckübertragungsmittel (23; 53) bis zur Drehachse (22; 52) des Betätigungshebels (21; 51) verstellbar ist, gekennzeichnet durch
eine Führungskulisse (26; 56) und wenigstens einem die Drehachse (22; 52) bildenden Lagerstift (31; 61), der entlang der Führungskulisse (26; 56) zum Einstellen der Länge (L1; L2) des Lastarms (24; 54) versetzbar geführt ist.Pressing device for mass-containing container with a receiving space (12) for the container, with at least one with respect to the receiving space (12) displaceable piston rod (13) and with a squeezing device (16, 46),
at least one feed element (18; 48) pivotably mounted for advancing the piston rod (13) in the housing (17; 47) and a handle (19) with a pivotable about an axis of rotation (22; 52) An actuating lever (21; 51) having a force arm (25; 55) with a handle portion and a load arm (24; 54), wherein
for actuation of the advancing element (18; 48) at the end of the load arm (24; 54) facing the advancing element (18; 48), a pressure transfer means (23; 53) engageable with the advancing element (18; 48) is provided, wherein
the length (L1; L2) of the load arm (24; 54) is adjustable from the pressure transmission means (23; 53) to the axis of rotation (22; 52) of the operating lever (21; 51), characterized by
a guide slot (26; 56) and at least one pivot (22; 52) forming the bearing pin (31; 61) along the guide slot (26; 56) for adjusting the length (L1; L2) of the load arm (24; 54) is displaced led. Auspressvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Führungskulisse (26) am Betätigungshebel (21) des Handgriffs (19) vorgesehen ist.Squeezing device according to claim 1, characterized in that the guide slot (26) on the actuating lever (21) of the handle (19) is provided. Auspressvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Lagerstift (31; 61) zur Fixierung in der Führungskulisse (26; 56) federbeaufschlagt ist.Squeezing device according to claim 1 or 2, characterized in that the bearing pin (31; 61) is spring-loaded for fixing in the guide slot (26; Auspressvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass in der Führungskulisse (26; 56) zumindest zwei Lageraufnahmen (27, 28; 57, 58) für den Lagerstift (31; 61) vorgesehen sind.Squeezing device according to one of claims 1 to 3, characterized in that at least two bearing receptacles (27, 28; 57, 58) for the bearing pin (31; 61) are provided in the guide slot (26;
EP08105657A 2007-11-26 2008-10-24 Extrusion tool Active EP2062657B1 (en)

Applications Claiming Priority (1)

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DE102007057111A DE102007057111A1 (en) 2007-11-26 2007-11-26 squeezing

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US (1) US20090134187A1 (en)
EP (1) EP2062657B1 (en)
JP (1) JP2009125747A (en)
CN (1) CN101444772A (en)
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DE (2) DE102007057111A1 (en)

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DE102010030841A1 (en) 2010-07-02 2012-01-05 Hilti Aktiengesellschaft squeezing
DE102011004967A1 (en) 2011-03-02 2012-09-06 Hilti Aktiengesellschaft dispenser to
DE102014105935A1 (en) 2014-04-28 2015-10-29 Wolfcraft Gmbh Tool with reach adjustment
US9723845B2 (en) * 2014-12-12 2017-08-08 Helen Of Troy Limited Dispensing gun
JP7008214B2 (en) * 2018-03-01 2022-01-25 パナソニックＩｐマネジメント株式会社 Jet dispenser
EP3907011B1 (en) * 2019-01-04 2024-07-17 Hangzhou United Tools Co., Ltd. Glue gun
TWI709439B (en) * 2019-03-14 2020-11-11 翔宣富企業有限公司 Caulking gun and method for using the same
CN111715485B (en) * 2019-03-20 2022-05-10 翔宣富企业有限公司 Glue gun and using method thereof
GB2582641B (en) * 2019-03-29 2023-05-17 Siang Syuan Fu Entpr Co Ltd Caulking gun and method for using the same
US10668498B1 (en) * 2019-04-15 2020-06-02 Siang Syuan Fu Enterprise Co., Ltd. Caulking gun and method for using the same
EP4029613A1 (en) * 2021-01-18 2022-07-20 medmix Switzerland AG Dispenser
US11517935B1 (en) * 2021-12-01 2022-12-06 Tianjin Jinmao Group Co., Ltd Caulking gun handle and caulking gun

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Also Published As

Publication number Publication date
US20090134187A1 (en) 2009-05-28
DE102007057111A1 (en) 2009-05-28
ATE477855T1 (en) 2010-09-15
EP2062657B1 (en) 2010-08-18
JP2009125747A (en) 2009-06-11
CN101444772A (en) 2009-06-03
DE502008001146D1 (en) 2010-09-30

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