EP2786957A1 - Industrial truck with a tank cap - Google Patents

Industrial truck with a tank cap Download PDF

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Publication number
EP2786957A1
EP2786957A1 EP20140163129 EP14163129A EP2786957A1 EP 2786957 A1 EP2786957 A1 EP 2786957A1 EP 20140163129 EP20140163129 EP 20140163129 EP 14163129 A EP14163129 A EP 14163129A EP 2786957 A1 EP2786957 A1 EP 2786957A1
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EP
European Patent Office
Prior art keywords
tank
opening
truck
lid
industrial truck
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
EP20140163129
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German (de)
French (fr)
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EP2786957B1 (en
Inventor
Marion Becker
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Jungheinrich AG
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Jungheinrich AG
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Publication of EP2786957A1 publication Critical patent/EP2786957A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07513—Details concerning the chassis
    • B66F9/07518—Fuel or oil tank arrangements

Definitions

  • the present invention relates to an industrial truck with a tank lid.
  • a tank of a truck with a plurality of openings, each opening being closable with a lid.
  • an industrial truck has an opening for its tank and an opening for an air filter.
  • the tank with transparent tank walls, so that from the outside visually the level of the tank with oil can be seen.
  • the openings of the tank are usually under a hood of the truck, where the openings with their caps sitting on it are to be additionally protected from external influences.
  • a maintenance such as an oil change or a ventilation filter replacement or the control of the level, therefore, first the hood or at least one maintenance hood must be opened or dismantled, whereby maintenance is time-consuming.
  • a hydraulic unit in which a return filter unit is provided, which has a filter housing and a filter element arranged in the filter housing.
  • the filter housing has an elongated sleeve portion which is formed at its upper end with a radial flange. About the radial flange, the filter housing is supported on a screw socket and is secured by a bolted to the screw socket lid.
  • the object of the present invention is to provide an industrial truck whose maintenance is less time-consuming and whose tank is less susceptible to leaks.
  • the truck according to the invention has a hood which covers a tank of the truck, wherein the tank has a tank opening for filling and sucking off a liquid and wherein the hood has a corresponding opening of the tank recess through which a tank cap can be arranged on the tank opening, wherein a dipstick for detecting the liquid level in the tank is provided on the tank lid.
  • the hood Through the recess of the hood through the tank lid can be attached to the tank opening of the tank.
  • the hood does not need to be removed first.
  • the level of liquid in the tank can be quickly controlled by turning the tank lid off the tank opening.
  • the dipstick located in the tank lid is removed with the tank cap and can directly display the level of the liquid in the tank.
  • the tank lid arranged in the recess of the hood closes flush with the hood in a closed position. Flushing the bonnet and tank cap eliminates unnecessary uneven surfaces on the truck's fuel cap. In addition, the fuel cap is stored protected against accidental untwisting.
  • a ventilation filter housing has a passage opening pointing into the interior of the tank.
  • the passage opening of the ventilation filter housing also forms access to the liquid, in particular the oil, in the tank. The access to the ventilation filter housing and to the tank is thus formed through one and the same opening.
  • the fuel cap serves as a lid for the passage opening at the same time.
  • the fuel cap serves as a lid for the passage opening at the same time.
  • a cavity is provided between the ventilation filter housing and an inner wall of the tank, in which a ventilation filter element is arranged.
  • the arrangement of the ventilation filter element between the housing of the ventilation filter element and an inner wall of the tank leads to a space saving.
  • a recess for ventilating the tank is provided in the outer wall of the tank.
  • the recess in the outer wall creates a cavity in the wall of the tank, which is conducive to the ventilation of the tank.
  • the wall in the region of the recess at least one opening, via which the tank interior is in communication with the environment.
  • the at least one opening may be formed in a portion of the wall as a single aperture or as a plurality of spaced-apart openings. Further, a plurality of openings along the walls of the tank opening may be provided, whereby an optimal ventilation of the tank can be ensured.
  • the tank cover conceals the at least one opening at a distance in its position closing the tank opening.
  • the fuel cap covers the opening at a distance, it is ensured that no dirt can pass through from the outside through the opening. At the same time can be saved for a cover of the opening in an advantageous manner material.
  • the tank lid preferably forms a ventilation duct in its position closing the tank opening and the wall of the tank.
  • the ventilation of the tank can be easily generated by the formation of a channel between the tank lid and tank wall, without using additional material.
  • a thread for closing the tank with the tank extends in an inner region of the tank lid above the recess.
  • the thread in the interior of the tank cap as well as the thread on the outer circumference of the tank is formed in an area above the at least one opening.
  • the upper side of the tank lid has a recess, in particular a hexagon socket, for opening or closing the tank.
  • a recess in particular a hexagon socket
  • the tank lid can be placed flush with the aid of an Allen wrench in the recess of the hood and closed with the tank under the hood by screwing. By flush closing the top of the tank lid with the hood unintentional opening of the tank lid can be avoided.
  • the fuel cap is provided along its lateral outer periphery with means that improve the grip of the tank cap. If the fuel cap is placed on the tank opening, the fuel cap can first be turned on with the hands of the maintenance executing staff before the fuel cap can be better screwed into the hood via the recess in the top of the tank lid with the aid of a Allen key.
  • the dipstick on tank lid on tank markings, which allows an assignment to a required level for a mast used.
  • the use of different masts requires to vary the level of the oil in the truck.
  • the tank markings on the dipstick indicate whether the level is sufficient for a particular mast, or whether oil must be added or extracted if necessary.
  • the tank itself need not be made of a transparent material, such as a transparent plastic. Unscrewing the tank lid will automatically unscrew the dipstick so that the level can be read directly on the dipstick.
  • the tank lid along its inner circumference of a thread and the tank along its outer circumference in the region of its tank opening on a thread, which allow for interlocking a reliable closure between the tank lid and tank.
  • the threads in the tank lid and in the area of the tank opening can each extend only to one area of the tank lid or the tank opening.
  • the thread in the tank lid extends in particular from the inner bottom cover, while the thread in the region of the tank opening extends from the upper edge of the tank. In this way it can be ensured that the region lying below the thread remains open even when the tank cap is arranged on the tank opening.
  • the ventilation filter element is a star filter.
  • a Schwappschutz in the tank below the ventilation filter element can be arranged to keep liquid splashes from the ventilation filter element.
  • a Schwapptik can in a simple way Avoid venting the vent filter element with oil due to heavy movement of the oil in the tank.
  • a section of an industrial truck 1 is shown.
  • the seat of the truck 1 is arranged on a hood 2, wherein behind the seat in the hood a recess 8 is provided.
  • a gas cap 10 is arranged through the recess 8 of the hood 2 through a gas cap 10 is arranged.
  • the fuel cap 10 closes an opening of the tank 4, which is arranged below the hood in the truck.
  • Fig. 2 schematically shows such a tank 4.
  • the tank 4 has a single opening 6.
  • the tank opening 6 can be closed with a tank lid 10.
  • the fuel cap 10 has a dipstick 12.
  • the dipstick 12 has tank markings that correspond to the tank markings on the tank and indicate a minimum level for a used mast.
  • Fig. 3 shows an enlarged section of the Fig. 2 , in the fuel cap 10 and the tank opening 6 are clearly visible.
  • the tank lid 10 has on its upper side a recess 25 which is formed in particular as a hexagon socket. In the Recess 25 of the tank lid 10 can thus engage a hexagon key and attach the fuel cap 10 to the tank opening 6 of the tank 4.
  • the tank opening 6 of the tank 4 has at its outer periphery a thread 26. Under the thread 26 has a recess 18 for venting the tank 4 is provided.
  • the wall of the tank opening 6 is formed thinner than in other areas of the tank opening.
  • the wall of the tank opening has a plurality of openings 20, which are provided in the region of the recess 18. In this way, a plurality of ventilation slots in the wall of the tank opening 6 is mounted below the thread 26 of the tank 6.
  • a ventilation filter housing 14 is further arranged in the tank opening 6.
  • the ventilation filter housing and the tank opening 6 can be closed with a tank lid 10.
  • Fig. 4 shows a tank 4, on which a gas cap 10 is arranged in its closed position.
  • the ventilation filter housing 14 is arranged in the region of the tank opening 6.
  • the ventilation filter housing 14 has an opening through which the dipstick 12 of the tank lid 10 protrudes into the interior of the tank 4.
  • recess 25 can be seen, in particular, an Allen key can engage.
  • a ventilation filter element 16 is arranged, which is arranged along the entire inner circumference of the tank opening 6.
  • a recess 18 for venting the tank 4 is also provided in the outer wall of the tank 4. Another recess 18 is arranged diametrically to the first.
  • the tank lid 10 conceals the recesses 18 in the outer wall of the tank 4.
  • a ventilation duct 22 between the tank lid 10 and the walls of the tank opening 6 is formed by the tank lid 10 at a distance from the walls of the tank opening 6 covered.
  • the ventilation channels 22 are arranged as the recesses 18 diametrically to each other.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

Flurförderzeug [1] mit einer Haube [2], die einen Tank [4] des Flurförderzeugs [1] verdeckt, wobei der Tank [4] eine Tanköffnung [6] zum Einfüllen und Absaugen einer Flüssigkeit aufweist, wobei die Haube [2] eine der Öffnung [6] des Tankes [4] entsprechende Aussparung [8] aufweist, durch die ein Tankdeckel [10] auf der Tanköffnung [6] anordenbar ist, wobei an dem Tankdeckel [10] ein Peilstab [12] zum Feststellen des Flüssigkeitsstandes in dem Tank [4] vorgesehen ist.Industrial truck [1] with a hood [2], which covers a tank [4] of the industrial truck [1], wherein the tank [4] has a tank opening [6] for filling and sucking off a liquid, wherein the hood [2] a the opening [6] of the tank [4] corresponding recess [8], through which a tank cap [10] on the tank opening [6] can be arranged, wherein on the tank cap [10] a dipstick [12] for detecting the liquid level in the tank [4] is provided.

Description

Die vorliegende Erfindung betrifft ein Flurförderzeug mit einem Tankdeckel.The present invention relates to an industrial truck with a tank lid.

Es ist bekannt, einen Tank eines Flurförderzeugs mit mehreren Öffnungen auszubilden, wobei jede Öffnung mit einem Deckel verschließbar ist. Gewöhnlich weist ein Flurförderzeug eine Öffnung für dessen Tank und eine Öffnung für einen Luftfilter auf. Ferner ist es bekannt, den Tank mit transparenten Tankwandungen auszubilden, so dass von außen visuell der Füllstand des Tankes mit Öl erkennbar ist. Mit steigender Anzahl an Öffnungen im Tank steigt ebenfalls die Gefahr an Leckagen bzw. Rissen im Tank. Zudem befinden sich die Öffnungen des Tankes üblicherweise unter einer Haube des Flurförderzeugs, wo die Öffnungen mit ihren darauf sitzenden Deckeln von äußeren Einflüssen zusätzlich geschützt werden sollen. Bei einer Wartung, wie bei einem Ölwechsel oder einem Belüftungsfilterwechsel oder der Kontrolle des Füllstandes muss daher zunächst die Haube oder mindestens eine Wartungshaube geöffnet bzw. demontiert werden, wodurch eine Wartung zeitaufwendig wird.It is known to form a tank of a truck with a plurality of openings, each opening being closable with a lid. Usually, an industrial truck has an opening for its tank and an opening for an air filter. Furthermore, it is known to form the tank with transparent tank walls, so that from the outside visually the level of the tank with oil can be seen. With increasing number of openings in the tank also increases the risk of leaks or cracks in the tank. In addition, the openings of the tank are usually under a hood of the truck, where the openings with their caps sitting on it are to be additionally protected from external influences. For a maintenance, such as an oil change or a ventilation filter replacement or the control of the level, therefore, first the hood or at least one maintenance hood must be opened or dismantled, whereby maintenance is time-consuming.

Aus EP 1 612 418 B1 ist ein Hydraulikaggregat bekannt, bei dem eine Rücklauffiltereinheit vorgesehen ist, die ein Filtergehäuse und ein im Filtergehäuse angeordnetes Filterelement aufweist. Das Filtergehäuse besitzt einen länglichen Hülsenabschnitt, der an seinem oberen Ende mit einem radialen Flansch ausgebildet ist. Über den radialen Flansch stützt sich das Filtergehäuse an einem Schraubstutzen ab und wird durch einen mit dem Schraubstutzen verschraubten Deckel gesichert.Out EP 1 612 418 B1 a hydraulic unit is known in which a return filter unit is provided, which has a filter housing and a filter element arranged in the filter housing. The filter housing has an elongated sleeve portion which is formed at its upper end with a radial flange. About the radial flange, the filter housing is supported on a screw socket and is secured by a bolted to the screw socket lid.

Davon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Flurförderzeug bereitzustellen, dessen Wartung weniger zeitintensiv ist und dessen Tank weniger anfällig für Leckagen ist.Based on this, the object of the present invention is to provide an industrial truck whose maintenance is less time-consuming and whose tank is less susceptible to leaks.

Diese Aufgabe wird gelöst durch ein Flurförderzeug mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen des Flurförderzeugs sind in den Unteransprüchen beschrieben.This object is achieved by a truck with the features of claim 1. Advantageous embodiments of the truck are described in the subclaims.

Das erfindungsgemäße Flurförderzeug weist eine Haube auf, die einen Tank des Flurförderzeugs verdeckt, wobei der Tank eine Tanköffnung zum Einfüllen und Absaugen einer Flüssigkeit aufweist und wobei die Haube eine der Öffnung des Tankes entsprechende Aussparung aufweist, durch die ein Tankdeckel auf der Tanköffnung anordenbar ist, wobei an dem Tankdeckel ein Peilstab zum Feststellen des Flüssigkeitsstandes in dem Tank vorgesehen ist. Durch die Aussparung der Haube hindurch kann der Tankdeckel an der Tanköffnung des Tankes angebracht werden. Bei einem Abnehmen des Tankdeckels braucht die Haube nicht zunächst entfernt werden. Zudem kann der Füllstand der sich im Tank befindenden Flüssigkeit schnell kontrolliert werden, indem der Tankdeckel von der Tanköffnung gedreht wird. Der sich im Tankdeckel befindende Peilstab wird mit dem Tankdeckel herausgenommen und kann den Füllstand der Flüssigkeit im Tank direkt anzeigen.The truck according to the invention has a hood which covers a tank of the truck, wherein the tank has a tank opening for filling and sucking off a liquid and wherein the hood has a corresponding opening of the tank recess through which a tank cap can be arranged on the tank opening, wherein a dipstick for detecting the liquid level in the tank is provided on the tank lid. Through the recess of the hood through the tank lid can be attached to the tank opening of the tank. When removing the fuel cap, the hood does not need to be removed first. In addition, the level of liquid in the tank can be quickly controlled by turning the tank lid off the tank opening. The dipstick located in the tank lid is removed with the tank cap and can directly display the level of the liquid in the tank.

Gemäß einer Ausgestaltung schließt der in der Aussparung der Haube angeordnete Tankdeckel in einer Schließposition bündig mit der Haube ab. Durch das bündige Abschließen von Haube und Tankdeckel entstehen keine unnötigen unebenen Flächen auf der Tankhaube des Flurförderzeugs. Zudem ist der Tankdeckel vor einem ungewollten Aufdrehen geschützt gelagert.According to one embodiment, the tank lid arranged in the recess of the hood closes flush with the hood in a closed position. Flushing the bonnet and tank cap eliminates unnecessary uneven surfaces on the truck's fuel cap. In addition, the fuel cap is stored protected against accidental untwisting.

Gemäß einer weiteren Ausgestaltung weist ein Belüftungsfiltergehäuse eine in den Innenraum des Tankes weisende Durchgangsöffnung auf. Die Durchgangsöffnung des Belüftungsfiltergehäuses bildet zugleich den Zugang zu der Flüssigkeit, insbesondere dem Öl, im Tank. Der Zugang zu dem Belüftungsfiltergehäuse und zu dem Tank wird folglich durch ein und dieselbe Öffnung gebildet.According to a further embodiment, a ventilation filter housing has a passage opening pointing into the interior of the tank. The passage opening of the ventilation filter housing also forms access to the liquid, in particular the oil, in the tank. The access to the ventilation filter housing and to the tank is thus formed through one and the same opening.

Bevorzugt dient der Tankdeckel gleichzeitig als Deckel für die Durchgangsöffnung. Hierdurch können einerseits unnötige Öffnungen im Tank vermieden und andererseits die Anzahl an Tankdeckeln gering gehalten werden.Preferably, the fuel cap serves as a lid for the passage opening at the same time. As a result, on the one hand avoid unnecessary openings in the tank and on the other hand, the number of fuel caps are kept low.

Nach einer Ausgestaltung ist zwischen dem Belüftungsfiltergehäuse und einer inneren Wandung des Tankes ein Hohlraum vorgesehen, in dem ein Belüftungsfilterelement angeordnet ist. Die Anordnung des Belüftungsfilterelementes zwischen dem Gehäuse des Belüftungsfilterelementes und einer inneren Wandung des Tankes führt zu einer Platzeinsparung.According to one embodiment, a cavity is provided between the ventilation filter housing and an inner wall of the tank, in which a ventilation filter element is arranged. The arrangement of the ventilation filter element between the housing of the ventilation filter element and an inner wall of the tank leads to a space saving.

Gemäß einer weiteren bevorzugten Ausgestaltung ist in der äußeren Wandung des Tankes eine Ausnehmung zum Belüften des Tankes vorgesehen. Die Ausnehmung in der äußeren Wandung erzeugt einen Hohlraum in der Wandung des Tankes, der zur Belüftung des Tankes förderlich ist.According to a further preferred embodiment, a recess for ventilating the tank is provided in the outer wall of the tank. The recess in the outer wall creates a cavity in the wall of the tank, which is conducive to the ventilation of the tank.

Bevorzugt weist die Wandung im Bereich der Ausnehmung mindestens eine Durchbrechung auf, über die das Tankinnere mit der Umgebung in Verbindung steht. Die mindestens eine Durchbrechung kann in einem Teilbereich der Wandung als eine einzige Durchbrechung oder als mehrere voneinander beabstandete Durchbrechungen ausgebildet sein. Ferner kann eine Vielzahl von Durchbrechungen entlang der Wandungen der Tanköffnung vorgesehen sein, wodurch eine optimale Belüftung des Tankes sichergestellt werden kann.Preferably, the wall in the region of the recess at least one opening, via which the tank interior is in communication with the environment. The at least one opening may be formed in a portion of the wall as a single aperture or as a plurality of spaced-apart openings. Further, a plurality of openings along the walls of the tank opening may be provided, whereby an optimal ventilation of the tank can be ensured.

Gemäß einer weiteren Ausgestaltung verdeckt der Tankdeckel in seiner die Tanköffnung verschließenden Position die mindestens eine Durchbrechung in einem Abstand. Indem der Tankdeckel die Durchbrechung in einem Abstand verdeckt, wird sichergestellt, dass durch die Durchbrechung hindurch kein Schmutz von außen nach innen gelangen kann. Zugleich kann in vorteilhafter Weise Material für eine Abdeckung der Durchbrechung eingespart werden.According to a further embodiment, the tank cover conceals the at least one opening at a distance in its position closing the tank opening. By the fuel cap covers the opening at a distance, it is ensured that no dirt can pass through from the outside through the opening. At the same time can be saved for a cover of the opening in an advantageous manner material.

Bevorzugt bilden der Tankdeckel in seiner die Tanköffnung verschließenden Position und die Wandung des Tankes einen Lüftungskanal. Die Durchlüftung des Tankes kann in einfacher Weise durch die Bildung eines Kanals zwischen Tankdeckel und Tankwandung erzeugt werden, ohne dabei weiteres Material einzusetzen.The tank lid preferably forms a ventilation duct in its position closing the tank opening and the wall of the tank. The ventilation of the tank can be easily generated by the formation of a channel between the tank lid and tank wall, without using additional material.

Gemäß einer Ausgestaltung erstreckt sich ein Gewinde zum Verschließen des Tankes mit dem Tank in einem inneren Bereich des Tankdeckels oberhalb der Ausnehmung. Das Gewinde im Inneren des Tankdeckels als auch das Gewinde an dem äußeren Umfang des Tankes ist in einem Bereich oberhalb der mindestens einen Durchbrechung ausgebildet. Hierdurch wird einerseits ein sicheres Verschließen des Tankes mit dem Tankdeckel erzielt und andererseits die Bildung eines Lüftungskanals ermöglicht.According to one embodiment, a thread for closing the tank with the tank extends in an inner region of the tank lid above the recess. The thread in the interior of the tank cap as well as the thread on the outer circumference of the tank is formed in an area above the at least one opening. As a result, on the one hand, a secure closure of the tank is achieved with the tank lid and on the other hand allows the formation of a ventilation duct.

Gemäß einer Ausgestaltung weist die Oberseite des Tankdeckels eine Ausnehmung auf, insbesondere einen Innensechskant, zum Öffnen oder Schließen des Tankes. Durch die Ausnehmung in der Oberseite des Tankdeckels kann der Tankdeckel unter Zuhilfenahme eines Inbusschlüssels auf einfache Weise bündig in die Ausnehmung der Haube aufgesetzt und mit dem Tank unter der Haube durch Hineindrehen verschlossen werden. Durch das bündige Abschließen der Oberseite des Tankdeckels mit der Haube kann ein unbeabsichtigtes Öffnen des Tankdeckels vermieden werden.According to one embodiment, the upper side of the tank lid has a recess, in particular a hexagon socket, for opening or closing the tank. Through the recess in the top of the tank lid, the tank lid can be placed flush with the aid of an Allen wrench in the recess of the hood and closed with the tank under the hood by screwing. By flush closing the top of the tank lid with the hood unintentional opening of the tank lid can be avoided.

Gemäß einer Ausgestaltung ist der Tankdeckel entlang seines seitlichen Außenumfangs mit Mitteln versehen, die die Griffigkeit des Tankdeckels verbessern. Wird der Tankdeckel auf die Tanköffnung aufgesetzt, kann der Tankdeckel zunächst mit den Händen des die Wartung ausführenden Personals aufgedreht werden, bevor der Tankdeckel über die Ausnehmung in der Oberseite des Tankdeckels unter Zuhilfenahme eines Inbusschlüssels besser in die Haube hineingedreht werden kann.According to one embodiment, the fuel cap is provided along its lateral outer periphery with means that improve the grip of the tank cap. If the fuel cap is placed on the tank opening, the fuel cap can first be turned on with the hands of the maintenance executing staff before the fuel cap can be better screwed into the hood via the recess in the top of the tank lid with the aid of a Allen key.

In einer weiteren Ausgestaltung weist der Peilstab am Tankdeckel Tankmarkierungen auf, die eine Zuordnung zu einem benötigten Füllstand für ein verwendetes Hubgerüst ermöglicht. Die Verwendung unterschiedlicher Hubgerüste erfordert es, den Füllstand des Öles in dem Flurförderzeug zu variieren. Die Tankmarkierungen am Peilstab zeigen an, ob der Füllstand für ein bestimmtes Hubgerüst ausreichend ist, oder ob gegebenenfalls Öl zugefügt oder abgesaugt werden muss. Hierbei muss der Tank selber nicht aus einem transparenten Material, wie beispielsweise einem transparenten Kunststoff, gefertigt sein. Durch Aufdrehen des Tankdeckels wird automatisch der Peilstab mit herausgedreht, so dass der Füllstand direkt am Peilstab abgelesen werden kann.In a further embodiment, the dipstick on tank lid on tank markings, which allows an assignment to a required level for a mast used. The use of different masts requires to vary the level of the oil in the truck. The tank markings on the dipstick indicate whether the level is sufficient for a particular mast, or whether oil must be added or extracted if necessary. In this case, the tank itself need not be made of a transparent material, such as a transparent plastic. Unscrewing the tank lid will automatically unscrew the dipstick so that the level can be read directly on the dipstick.

Gemäß einer weiteren Ausgestaltung weisen der Tankdeckel entlang seines Innenumfangs ein Gewinde und der Tank entlang seines Außenumfangs im Bereich seiner Tanköffnung ein Gewinde auf, welche bei Ineinanderdrehen eine zuverlässige Verschließung zwischen Tankdeckel und Tank ermöglichen. Die Gewinde im Tankdeckel und im Bereich der Tanköffnung können sich jeweils nur auf einen Bereich des Tankdeckels bzw. der Tanköffnung erstrecken. Das Gewinde im Tankdeckel erstreckt sich insbesondere vom inneren Bodendeckel, während das Gewinde im Bereich der Tanköffnung sich vom oberen Rand des Tankes erstreckt. Auf diese Weise kann sichergestellt werden, dass der unterhalb des Gewindes liegende Bereich auch dann offen liegen bleibt, wenn der Tankdeckel auf der Tanköffnung angeordnet ist.According to a further embodiment, the tank lid along its inner circumference of a thread and the tank along its outer circumference in the region of its tank opening on a thread, which allow for interlocking a reliable closure between the tank lid and tank. The threads in the tank lid and in the area of the tank opening can each extend only to one area of the tank lid or the tank opening. The thread in the tank lid extends in particular from the inner bottom cover, while the thread in the region of the tank opening extends from the upper edge of the tank. In this way it can be ensured that the region lying below the thread remains open even when the tank cap is arranged on the tank opening.

Bevorzugt ist das Belüftungsfilterelement ein Sternfilter.Preferably, the ventilation filter element is a star filter.

Gemäß einer weiteren bevorzugten Ausgestaltung ist ein Schwappschutz im Tank unter dem Belüftungsfilterelement anordenbar, um Flüssigkeitsspritzer vom Belüftungsfilterelement fernzuhalten. Mit einem Schwappschutz kann in einfacher Weise vermieden werden, dass das Belüftungsfilterelement bei starker Bewegung des Öles im Tank durch das Öl verunreinigt wird.According to a further preferred embodiment, a Schwappschutz in the tank below the ventilation filter element can be arranged to keep liquid splashes from the ventilation filter element. With a Schwappschutz can in a simple way Avoid venting the vent filter element with oil due to heavy movement of the oil in the tank.

Ein bevorzugtes Ausführungsbeispiel wird nachfolgend in den Figuren 1 bis 4 beschrieben. Es zeigen:

Fig. 1
einen Ausschnitt eines Sitzbereichs in einem Flurförderzeug,
Fig. 2
einen Tank in einem Flurförderzeug,
Fig. 3
einen Tankdeckel oberhalb einer Öffnung des Tankes und
Fig. 4
einen Tankdeckel, der eine Öffnung des Tankes verschließt.
A preferred embodiment is described below in the FIGS. 1 to 4 described. Show it:
Fig. 1
a section of a seating area in an industrial truck,
Fig. 2
a tank in a truck,
Fig. 3
a fuel cap above an opening of the tank and
Fig. 4
a fuel cap that closes an opening in the tank.

In Fig. 1 ist ein Ausschnitt eines Flurförderzeugs 1 dargestellt. Der Sitz des Flurförderzeugs 1 ist auf einer Haube 2 angeordnet, wobei hinter dem Sitz in der Haube eine Aussparung 8 vorgesehen ist. Durch die Aussparung 8 der Haube 2 hindurch ist ein Tankdeckel 10 angeordnet. Der Tankdeckel 10 verschließt eine Öffnung des Tankes 4, der unterhalb der Haube im Flurförderzeug angeordnet ist.In Fig. 1 a section of an industrial truck 1 is shown. The seat of the truck 1 is arranged on a hood 2, wherein behind the seat in the hood a recess 8 is provided. Through the recess 8 of the hood 2 through a gas cap 10 is arranged. The fuel cap 10 closes an opening of the tank 4, which is arranged below the hood in the truck.

Fig. 2 zeigt schematisch einen solchen Tank 4. Der Tank 4 weist eine einzige Öffnung 6 auf. Die Tanköffnung 6 kann mit einem Tankdeckel 10 verschlossen werden. Zudem weist der Tankdeckel 10 einen Peilstab 12 auf. Der Peilstab 12 weist Tankmarkierungen auf, die den Tankmarkierungen auf dem Tank entsprechen und einen Mindestfüllstand für ein verwendetes Hubgerüst anzeigen. Fig. 2 schematically shows such a tank 4. The tank 4 has a single opening 6. The tank opening 6 can be closed with a tank lid 10. In addition, the fuel cap 10 has a dipstick 12. The dipstick 12 has tank markings that correspond to the tank markings on the tank and indicate a minimum level for a used mast.

Fig. 3 zeigt einen vergrößerten Ausschnitt der Fig. 2, in dem Tankdeckel 10 und die Tanköffnung 6 gut erkennbar sind. Der Tankdeckel 10 weist an seiner Oberseite eine Ausnehmung 25 auf, die insbesondere als Innensechskant ausgebildet ist. In die Ausnehmung 25 des Tankdeckels 10 kann folglich ein Sechskantinbusschlüssel eingreifen und den Tankdeckel 10 auf die Tanköffnung 6 des Tankes 4 anbringen. Die Tanköffnung 6 des Tankes 4 weist an ihrem äußeren Umfang ein Gewinde 26 auf. Unter dem Gewinde 26 ist eine Ausnehmung 18 zum Belüften des Tankes 4 vorgesehen. Im Bereich der Ausnehmung ist die Wand der Tanköffnung 6 dünner ausgebildet als in anderen Bereichen der Tanköffnung. Ferner weist die Wandung der Tanköffnung eine Vielzahl an Durchbrechungen 20 auf, die im Bereich der Ausnehmung 18 vorgesehen sind. Auf diese Weise wird unterhalb des Gewindes 26 des Tankes 6 eine Vielzahl an Lüftungsschlitzen in der Wandung der Tanköffnung 6 angebracht. Fig. 3 shows an enlarged section of the Fig. 2 , in the fuel cap 10 and the tank opening 6 are clearly visible. The tank lid 10 has on its upper side a recess 25 which is formed in particular as a hexagon socket. In the Recess 25 of the tank lid 10 can thus engage a hexagon key and attach the fuel cap 10 to the tank opening 6 of the tank 4. The tank opening 6 of the tank 4 has at its outer periphery a thread 26. Under the thread 26 has a recess 18 for venting the tank 4 is provided. In the region of the recess, the wall of the tank opening 6 is formed thinner than in other areas of the tank opening. Furthermore, the wall of the tank opening has a plurality of openings 20, which are provided in the region of the recess 18. In this way, a plurality of ventilation slots in the wall of the tank opening 6 is mounted below the thread 26 of the tank 6.

In die Tanköffnung 6 ist ferner ein Belüftungsfiltergehäuse 14 angeordnet. Das Belüftungsfiltergehäuse und die Tanköffnung 6 können mit einem Tankdeckel 10 verschlossen werden.In the tank opening 6, a ventilation filter housing 14 is further arranged. The ventilation filter housing and the tank opening 6 can be closed with a tank lid 10.

Fig. 4 zeigt einen Tank 4, auf dem ein Tankdeckel 10 in seiner Schließposition angeordnet ist. In der Ansicht des Tankes und des Tankdeckels ist zu sehen, dass das Belüftungsfiltergehäuse 14 im Bereich der Tanköffnung 6 angeordnet ist. Das Belüftungsfiltergehäuse 14 weist eine Öffnung auf, durch die hindurch der Peilstab 12 des Tankdeckels 10 in den Innenraum des Tankes 4 hineinragt. Im Querschnitt des Tankdeckels 10 ist ferner die in der Oberseite des Tankdeckels 10 vorgesehene Ausnehmung 25 zu sehen, in die insbesondere ein Inbusschlüssel eingreifen kann. Ferner sind in einem oberen Bereich der Tanköffnung 6 ein Gewinde 24 zu sehen, das im Innenumfang des Tankdeckels vorgesehen ist, und ein Gewinde 26, das entlang des Außenumfangs der Tanköffnung 6 vorgesehen ist. Das Ineinandergreifen der Gewinde 24 und 26 ermöglicht eine zuverlässige Verschließung zwischen Tankdeckel 10 und Tank 4. Fig. 4 shows a tank 4, on which a gas cap 10 is arranged in its closed position. In the view of the tank and the tank cap, it can be seen that the ventilation filter housing 14 is arranged in the region of the tank opening 6. The ventilation filter housing 14 has an opening through which the dipstick 12 of the tank lid 10 protrudes into the interior of the tank 4. In the cross section of the fuel cap 10 is also provided in the top of the tank lid 10 recess 25 can be seen, in particular, an Allen key can engage. Further, in an upper portion of the tank opening 6, a thread 24, which is provided in the inner periphery of the tank cap, and a thread 26, which is provided along the outer periphery of the tank opening 6. The meshing of the threads 24 and 26 allows a reliable closure between the tank lid 10 and tank. 4

Zwischen dem Belüftungsfiltergehäuse 14 und der äußeren Wandung der Tanköffnung 6 ist ein Belüftungsfilterelement 16 angeordnet, welches entlang des gesamten inneren Umfangs der Tanköffnung 6 angeordnet ist.Between the ventilation filter housing 14 and the outer wall of the tank opening 6, a ventilation filter element 16 is arranged, which is arranged along the entire inner circumference of the tank opening 6.

In der äußeren Wandung des Tankes 4 ist ferner eine Ausnehmung 18 zum Belüften des Tankes 4 vorgesehen. Eine weitere Ausnehmungen 18 ist diametral zu der ersten angeordnet. In seiner die Tanköffnung 6 verschließenden Position verdeckt der Tankdeckel 10 die Ausnehmungen 18 in der äußeren Wandung des Tankes 4. Ein Lüftungskanal 22 zwischen Tankdeckel 10 und den Wandungen der Tanköffnung 6 wird dadurch gebildet, dass der Tankdeckel 10 die Wandungen der Tanköffnung 6 in einem Abstand verdeckt. Die Lüftungskanäle 22 sind wie die Ausnehmungen 18 diametral zueinander angeordnet. Hierdurch wird eine Belüftung des Tankes 4 in einfacher Weise ermöglicht.In the outer wall of the tank 4, a recess 18 for venting the tank 4 is also provided. Another recess 18 is arranged diametrically to the first. In its position closing the tank opening 6, the tank lid 10 conceals the recesses 18 in the outer wall of the tank 4. A ventilation duct 22 between the tank lid 10 and the walls of the tank opening 6 is formed by the tank lid 10 at a distance from the walls of the tank opening 6 covered. The ventilation channels 22 are arranged as the recesses 18 diametrically to each other. As a result, a ventilation of the tank 4 is made possible in a simple manner.

Claims (16)

Flurförderzeug (1) mit einer Haube (2), die einen Tank (4) des Flurförderzeugs (1) verdeckt, wobei der Tank (4) eine Tanköffnung (6) zum Einfüllen und Absaugen einer Flüssigkeit aufweist, dadurch gekennzeichnet, dass die Haube (2) eine der Öffnung des Tankes (4) entsprechende Aussparung (8) aufweist, durch die ein Tankdeckel (10) auf der Tanköffnung (6) anordenbar ist, wobei an dem Tankdeckel (10) ein Peilstab (12) zum Feststellen des Flüssigkeitsstandes in dem Tank (4) vorgesehen ist.Industrial truck (1) with a hood (2) which covers a tank (4) of the industrial truck (1), the tank (4) having a tank opening (6) for filling and sucking off a liquid, characterized in that the hood ( 2) one of the opening of the tank (4) corresponding recess (8) through which a tank lid (10) on the tank opening (6) can be arranged, wherein on the tank lid (10) a dipstick (12) for detecting the liquid level in the tank (4) is provided. Flurförderzeug (1) nach Anspruch 1 gekennzeichnet dadurch, dass der in der Aussparung (8) der Haube (2) angeordnete Tankdeckel (10) in einer Schließposition bündig mit der Haube (2) abschließt.Truck (1) according to claim 1, characterized in that in the recess (8) of the hood (2) arranged tank cover (10) in a closed position is flush with the hood (2). Flurförderzeug (1) nach Anspruch 1 oder 2 gekennzeichnet dadurch, dass ein Belüftungsfiltergehäuse (14) eine in den Innenraum des Tankes (4) weisende Durchgangsöffnung (15) aufweist.Industrial truck (1) according to claim 1 or 2 characterized in that a ventilation filter housing (14) has a in the interior of the tank (4) facing through opening (15). Flurförderzeug (1) nach Anspruch 3 gekennzeichnet dadurch, dass der Tankdeckel (10) gleichzeitig als Deckel für die Durchgangsöffnung (15) dient.Truck (1) according to claim 3, characterized in that the tank lid (10) serves at the same time as a cover for the passage opening (15). Flurförderzeug (1) nach einem der Ansprüche 1 bis 4 gekennzeichnet dadurch, dass zwischen dem Belüftungsfiltergehäuse (14) und einer inneren Wandung des Tankes (4) ein Hohlraum vorgesehen ist, in dem ein Belüftungsfilterelement (16) angeordnet ist.Truck (1) according to one of claims 1 to 4, characterized in that between the ventilation filter housing (14) and an inner wall of the tank (4) is provided a cavity in which a ventilation filter element (16) is arranged. Flurförderzeug (1) nach einem der Ansprüche 1 bis 5 gekennzeichnet dadurch, dass in der äußeren Wandung des Tankes (4) eine Ausnehmung (18) zum Belüften des Tankes (4) vorgesehen ist.Truck (1) according to one of claims 1 to 5, characterized in that in the outer wall of the tank (4) has a recess (18) for venting the tank (4) is provided. Flurförderzeug (1) nach Anspruch 6 gekennzeichnet dadurch, dass die Wandung im Bereich der Ausnehmung (18) mindestens eine Durchbrechung (20) aufweist, über die das Tankinnere mit der Umgebung in Verbindung steht.Industrial truck (1) according to claim 6, characterized in that the wall in the region of the recess (18) has at least one opening (20), via which the tank interior communicates with the environment. Flurförderzeug (1) nach Anspruch 6 oder 7 gekennzeichnet dadurch, dass der Tankdeckel (10) in seiner die Tanköffnung (6) verschließenden Position die mindestens eine Durchbrechung (20) in einem Abstand verdeckt.Truck (1) according to claim 6 or 7 characterized in that the tank lid (10) in its the tank opening (6) closing position, the at least one opening (20) covered at a distance. Flurförderzeug (1) nach einem der Ansprüche 6 bis 8 gekennzeichnet dadurch, dass der Tankdeckel (10) in seiner die Tanköffnung (6) verschließenden Position und die Wandung des Tankes (4) einen Lüftungskanal (22) bilden.Industrial truck (1) according to one of claims 6 to 8, characterized in that the tank lid (10) in its the tank opening (6) closing position and the wall of the tank (4) form a ventilation duct (22). Flurförderzeug (1) nach einem der Ansprüche 6 bis 9 gekennzeichnet dadurch, dass ein Gewinde (24) zum Verschließen des Tankdeckels (10) mit dem Tank (4) sich in einen innerem Bereich des Tankdeckels (10) oberhalb der Ausnehmung (18) erstreckt.Industrial truck (1) according to one of claims 6 to 9, characterized in that a thread (24) for closing the tank lid (10) with the tank (4) extends into an inner region of the tank lid (10) above the recess (18) , Flurförderzeug (1) nach einem der Ansprüche 1 bis 10 gekennzeichnet dadurch, dass die Oberseite des Tankdeckels (10) eine Ausnehmung (25) aufweist, insbesondere einen Innensechskant, zum Öffnen oder Schließen des Tankes (4).Industrial truck (1) according to one of claims 1 to 10, characterized in that the upper side of the tank lid (10) has a recess (25), in particular a hexagon socket, for opening or closing the tank (4). Flurförderzeug (1) nach einem der Ansprüche 1 bis 11 gekennzeichnet dadurch, dass der Tankdeckel (10) entlang seines seitlichen Außenumfangs mit Mitteln versehen ist, die die Griffigkeit des Tankdeckels (10) verbessern.Industrial truck (1) according to one of claims 1 to 11, characterized in that the tank lid (10) along its lateral outer periphery is provided with means which improve the grip of the tank cap (10). Flurförderzeug (1) nach einem der Ansprüche 1 bis 12 gekennzeichnet dadurch, dass der Peilstab (12) am Tankdeckel (10) Tankmarkierungen aufweist, die eine Zuordnung zu einem benötigten Füllstand für ein verwendetes Hubgerüst ermöglichen.Truck (1) according to any one of claims 1 to 12, characterized in that the dipstick (12) on the tank lid (10) has tank markings, which allow an assignment to a required level for a mast used. Flurförderzeug (1) nach einem der Ansprüche 1 bis 13 gekennzeichnet dadurch, dass der Tankdeckel (10) entlang seines Innenumfangs ein Gewinde (24) und der Tank (4) entlang seines Außenumfangs im Bereich seiner Tanköffnung (6) ein Gewinde (26) aufweisen, welche bei Ineinanderdrehen eine zuverlässige Verschließung zwischen Tankdeckel (10) und Tank (4) ermöglichen.Industrial truck (1) according to one of claims 1 to 13, characterized in that the tank lid (10) along its inner circumference a thread (24) and the tank (4) along its outer periphery in the region of its tank opening (6) has a thread (26) , which allow a reliable closure between tank lid (10) and tank (4) when twisting. Flurförderzeug (1) nach einem der Ansprüche 1 bis 14 gekennzeichnet dadurch, dass das Belüftungsfilterelement (16) ein Sternfilter ist.Truck (1) according to one of claims 1 to 14, characterized in that the ventilation filter element (16) is a star filter. Flurförderzeug (1) nach einem der Ansprüche 1 bis 15 gekennzeichnet dadurch, dass ein Schwappschutz im Tank (4) unter dem Belüftungsfilterelement (16) anordenbar ist, um Flüssigkeitsspritzer vom Belüftungsfilterelement (16) fern zu halten.Industrial truck (1) according to one of claims 1 to 15, characterized in that a Schwappschutz in the tank (4) under the ventilation filter element (16) can be arranged to keep liquid splashes away from the ventilation filter element (16).
EP14163129.1A 2013-04-03 2014-04-02 Industrial truck with a tank cap Active EP2786957B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201320003085 DE202013003085U1 (en) 2013-04-03 2013-04-03 Truck with a fuel cap

Publications (2)

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EP2786957A1 true EP2786957A1 (en) 2014-10-08
EP2786957B1 EP2786957B1 (en) 2015-08-05

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EP (1) EP2786957B1 (en)
CN (1) CN104100580B (en)
DE (1) DE202013003085U1 (en)

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US4616872A (en) * 1984-11-28 1986-10-14 Kubota, Ltd. Earth moving vehicle
JPH06191297A (en) * 1992-12-28 1994-07-12 Toyota Autom Loom Works Ltd Oil tank for industrial vehicle and oil tank installing structure
DE202006013012U1 (en) * 2006-08-24 2007-01-04 Birnbreuer, Harald Oil tank closure for internal combustion engine of motorcycle, has interlocking unit arranged along fuel dip stick at height such that it is brought into engagement with interlocking shoulder of oil tank formed at ends of filler neck
EP1612418B1 (en) 2004-07-03 2007-02-28 Jungheinrich Aktiengesellschaft Hydraulic unit for forklift truck
DE102010004650A1 (en) * 2010-01-13 2011-07-14 Jungheinrich AG, 22047 Hydraulic unit for industrial trucks

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Publication number Priority date Publication date Assignee Title
JPH07318393A (en) * 1994-05-24 1995-12-08 Nissan Motor Co Ltd Liquid level measuring tool of liquid storage tank
CN201161647Y (en) * 2007-12-29 2008-12-10 光阳工业股份有限公司 Motorcycle oil tank cover cap
CN201982388U (en) * 2011-03-10 2011-09-21 三一重机有限公司 Hydraulic oil tank for mining dump truck
CN202138645U (en) * 2011-05-20 2012-02-08 力帆实业(集团)股份有限公司 Reinforced structure of general gasoline engine fuel tank cover

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616872A (en) * 1984-11-28 1986-10-14 Kubota, Ltd. Earth moving vehicle
JPH06191297A (en) * 1992-12-28 1994-07-12 Toyota Autom Loom Works Ltd Oil tank for industrial vehicle and oil tank installing structure
EP1612418B1 (en) 2004-07-03 2007-02-28 Jungheinrich Aktiengesellschaft Hydraulic unit for forklift truck
DE202006013012U1 (en) * 2006-08-24 2007-01-04 Birnbreuer, Harald Oil tank closure for internal combustion engine of motorcycle, has interlocking unit arranged along fuel dip stick at height such that it is brought into engagement with interlocking shoulder of oil tank formed at ends of filler neck
DE102010004650A1 (en) * 2010-01-13 2011-07-14 Jungheinrich AG, 22047 Hydraulic unit for industrial trucks

Also Published As

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DE202013003085U1 (en) 2014-07-04
CN104100580A (en) 2014-10-15
CN104100580B (en) 2017-12-19
EP2786957B1 (en) 2015-08-05

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