EP1340591B1 - Electric hand tool - Google Patents

Electric hand tool Download PDF

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Publication number
EP1340591B1
EP1340591B1 EP03000296A EP03000296A EP1340591B1 EP 1340591 B1 EP1340591 B1 EP 1340591B1 EP 03000296 A EP03000296 A EP 03000296A EP 03000296 A EP03000296 A EP 03000296A EP 1340591 B1 EP1340591 B1 EP 1340591B1
Authority
EP
European Patent Office
Prior art keywords
housing component
hand
power tool
housing
held power
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.)
Expired - Lifetime
Application number
EP03000296A
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German (de)
French (fr)
Other versions
EP1340591A1 (en
Inventor
Walter Penka
Oliver Dipl.-Ing. Nyber
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.)
Metabowerke GmbH and Co
Original Assignee
Metabowerke GmbH and Co
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Filing date
Publication date
Application filed by Metabowerke GmbH and Co filed Critical Metabowerke GmbH and Co
Publication of EP1340591A1 publication Critical patent/EP1340591A1/en
Application granted granted Critical
Publication of EP1340591B1 publication Critical patent/EP1340591B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided

Definitions

  • the invention relates in particular to an electric hand tool an eccentric or oscillating or reciprocating drivable electric grinding tool, such as one in particular Triangular grinder, random orbit sander, or one Planer, a varnish cutter or jigsaw, etc. with a Dust extraction device and one with the Interacting dust extractor Dust collection device, in which the Dust pickup device from an essentially rigid, forming a dust collecting space on the machine housing attachable housing component is formed in the Filter medium is receivable.
  • an electric hand tool an eccentric or oscillating or reciprocating drivable electric grinding tool, such as one in particular Triangular grinder, random orbit sander, or one Planer, a varnish cutter or jigsaw, etc. with a Dust extraction device and one with the Interacting dust extractor Dust collection device, in which the Dust pickup device from an essentially rigid, forming a dust collecting space on the machine housing attachable housing component is formed in the Filter medium is receivable.
  • Such a tool is from DE 299 23 577U
  • the invention is intended to be exemplified below with reference to a Electric grinder are explained without, however a restriction to this should be made.
  • the In principle, invention can be applied to all hand tools can be used where there is dust or chips.
  • Dust removal or reception facilities are at Electric grinders, for example in the form of a Grinding dust transport channel to which a vacuum cleaner hose can be coupled, or in the form of a dust collecting bag educated.
  • Such an electric hand tool is, for example, from known from DE 198 00 045 A1. Furthermore also reveals DE 41 21 256 A1 an electric tool with a container for dust, the container being designed as a dust bag and at the rear end of the housing by plugging it onto the Exhaust duct can be attached. To the dust bag too stabilize, a holding device is provided which on Connection cable of the Sanders is attached. Here too must the dust bag can be removed from the device for emptying and In addition, such a dust bag is not available mechanical damage protected.
  • a rigid housing-forming component which can be attached directly to the machine housing and which can be arranged directly on the machine housing, preferably on the underside of the machine housing, and is held thereon.
  • the dust collecting space is not, as when using a dust bag, protruding to the rear or from the sides of the machine housing of the electric hand tool and is therefore arranged in a manner that is objectionable, but instead nestles compactly against the machine housing.
  • the dust collection container is designed here as a rigid plastic container which is plugged onto the exhaust air duct of a sander.
  • the filter is firmly connected to the housing cover of the dust collector, so that the dust collector has to be removed from the device to change the filter.
  • the cover must then be removed and replaced with a new cover with a new filter. The same applies to the emptying of the dust collector, whereby the replacement of the lid can be omitted in this case.
  • DE 40 38 634 C2 describes a grinding device known in which a collecting container is provided, wherein here openings in the collection container through mesh as Filters are spanned.
  • the filtering of the exhaust air is thus via a flat filter ensured that applied to a stable frame is. For emptying the container or changing or The entire dust collection container must be cleaned be removed from the device.
  • the present invention is the Task based on an electric hand tool of the above to improve the way that the Emptying and changing the filter significantly easier is.
  • the object is achieved by an electric hand tool with the features of claim 1 solved.
  • the Housing component detachable with the machine housing in its Mounting position is connected, in particular with this can be positively locked.
  • the housing component forming the dust collection space can be on be held on the machine housing in any way, in particular, it can also be firmly connected to it. Before fastening with screws, a clamped or a form-fitting arrangement prefers. It proves to be advantageous if that Housing component in its mounting position on Machine housing can be locked. If so, it turns out turn out to be an advantage if a manually removable Resilient locking element is provided, which is preferably on a rear end side of the device in the longitudinal direction is arranged.
  • the housing component is detachably connected to the Machine housing, this has the advantage that it for example against a suction port Dust extraction device, for example a vacuum cleaner, can be exchanged.
  • the housing component can be essentially as Injection molded plastic part and in particular consist of two shells.
  • the use of a Clamshell house has manufacturing technology Benefits.
  • the electric hand tool is the one that forms the dust essentially rigid housing component on the Machine housing, preferably on its Workpiece-facing underside, can be pushed on. It can be on this way a compact appearance of the Electric hand tool are generated and also that Postponing the housing component by a user felt uncomplicated and easy to carry out.
  • a connection piece is connectable, one of them opposite end side, two opposite one another Long sides and one facing away from the machine housing Bottom side and one facing the machine housing Cover page.
  • a kind Dust transport channel formed between the tool, for example one triangular or round sanding pads or one rectangular sanding disc, and the Dust collection device is usually a kind Dust transport channel formed. This dust transport channel mouths directly into the dust collection room.
  • the Dust transport channel preferably runs on the underside of the electric hand tool facing the workpiece and is a further development of the invention of the machine housing self-educated. He prefers in the to Electrical hand tool oriented end face of the Gehausebauteils.
  • the opening to Change the filter or empty the dust collector the end side is arranged. Especially if the Opening at the end can make emptying easy Can be realized by opening by opening the lid or pivoting the flap is released and the tool with its longitudinal extension is held vertically where e.g. the sanding plate up and that Point the power cord down. This way it can be special just the dust from the dust collector into one any end catch container can be transferred.
  • the filter can be changed by opening the flap and the filter from the opening and the Dust collector is pulled out towards the Long axis of the electric hand tool, but none here Disability caused by the tool itself.
  • the housing component forms such a grip protection against touching a user of the electric hand tool with a workpiece or the tool, e.g. the Sanding disc itself.
  • the machine house in the area of Handle as well as the housing component can be ergonomic Recessed grip with simultaneous hand protection are formed, as they are sometimes with modern electric hand tools. is already provided.
  • a user's gripping and guiding hand therefore before resting on the workpiece and therefore before Injuries protected, which is particularly advantageous.
  • the preferably slot-shaped air outlet openings of the Housing component can in itself over all sides of the Dust collection room can be arranged. According to a preferred In the embodiment, they essentially extend continuously across the bottom and / or the top of the Housing component and / or in the long sides and can over the entire transverse direction of each side run.
  • the slit-shaped Air outlet openings can also be certain Design accents can be set.
  • the air outlet opening to be attached to the deck side, since this makes it easier Introducing and sealing the filter media by means of a hinged flap at the top to close the opening is possible.
  • the on a frame is arranged, it can be provided that the Frame in the area of the deck inside the Housing component comes to rest and in the area of the frame sealing takes place. This way it can be special simply achieved good dust filtering from the air be and at the same time a simple insertion of the Filters can be ensured by simply opening the flap is pivoted above and the filter in the corresponding Grooves is inserted.
  • Such a configuration is considered by a user found particularly easily.
  • the lid for Closing the opening in an articulated manner on the housing component is set, particularly at its towards the End facing the top side.
  • the lid can then be moved around a substantially horizontal pivot axis upwards fold.
  • both the closed position via locking means with the Housing component is lockable, but it can also be Detent provided in one or two open steps his.
  • a first stage of opening be provided for emptying the Dust collector serves.
  • the flap all the way up is pivoted and a special in this position simple changing of the filter medium is made possible.
  • the lid can have the advantage to always remain on the device, even when changing or cleaning the filter insert, which is easy from behind is pulled out of the housing. In this way it is Lid captively connected to the housing component.
  • a Sealing edge is provided with a circumferential Sealing edge in the housing component corresponds and the Seals filter against the housing component, the Sealing edge integrated in particular in the guide means is or is formed by this itself.
  • the filter medium can consist of a filter insert consisting of a frame and a filter firmly attached to it be formed, the frame in particular a can have a rectangular shape. With the frame it can Filter media then in housing grooves as a guide inserted or on gangways as a guide to be put off. Generally, inside the Housing component support means provided as a guide be, this web or rib-shaped inner protrusion can own.
  • the filter medium can do this act as a pleated filter, the pleated filter attached to its two ends, i.e. the front and the end side, have a filter cover made of plastic can. The pleated filter can be covered so that it is closed on all sides.
  • the cover can be the shape of the pleated filter correspond.
  • the rectangular frame can provide that the filter is symmetrical and thus a Incorrect installation can be avoided relatively safely.
  • housing component is tightly connected to the machine housing, wherein in Housing component on the front or the corresponding side of the machine housing one circumferential seal, in particular an O-ring, is provided against which the other component rests and is pressed will ensure that a tight connection is ensured.
  • the housing component is not towards its bottom side protrudes beyond the tool itself.
  • the housing component has a flat, flat bottom side has, as a result when turning off the Electric hand tool on a pad a wobble-free stable arrangement can be achieved. If the bottom side of the housing component in the same plane as the surface of the Tool runs, so the electric hand tool on the total floor area of the dust collecting space Housing component are parked. Unless this floor area is set back to the flat tool enable easier machining of a workpiece, so there is an at least transverse linear one Support available, so that the device tilts Side is largely avoided.
  • the end side of the housing component is designed so that a cable grommet of the power connector connected to the Machine housing is attached and protrudes from it, is encompassed by the housing component.
  • Housing component should be designed so that it is in the area its end side to the end grip of the machine housing is connectable and is shaped so that it fits in seamlessly this passes over and so the impression of a uniform Griffes conveyed together with the machine housing.
  • Dust collecting housing component detachable and against an external dust extraction device is interchangeable. It is particularly advantageous if the Connection piece on the machine housing is designed so that no adapter is necessary.
  • Figure 1 shows a preferred embodiment of a Electric hand tool according to the invention in the form of a Sanders with a dust pick-up device 2 from one an essentially rigid dust collecting space 4 and detachable on a machine housing 6 of the grinding device attachable housing member 8 is formed.
  • the sander includes a known and not closer described grinding plate 10 with through openings in not shown way. Through the passage openings dust gets into the inside of the grinding machine Machine housing required. This is done by a appropriate blower device required.
  • the Blower device is designed in a known manner and blows air and thus grinding dust through the openings in the Sanding disc 10 into a dust transport channel.
  • the Dust transport channel opens into an entry opening or a connecting piece with an inlet opening of the Dust collecting space 4 cooperates on its end face 12.
  • the electric drive is by means of a cable 14 a cable connector 16 connected to the machine housing is given.
  • the cable gland is replaced by a Part 18 of the housing component 8 encompassed.
  • the share of Housing component 18 is designed so that it on the one side with the housing component 8 a harmonious shape forms and on the other hand is designed so that it connects seamlessly to the machine housing 6, so that the housing component 8 together with the machine housing 6 forms an organic form.
  • the machine housing 6 is so at least in the area 20 trained that it serves as a handle.
  • a Actuator 22 for switching the on and off Tool provided in the area of Housing 20, which serves as a handle.
  • the customized shape of the Housing component 8 to the machine shape of the sander Design very appealing tool can be achieved.
  • the distance 26 between the region 20 and the housing component 8 a protected guide of the Tool can be achieved. If the grip area 20 by a user is gripped by the hand Housing component 8 protected. That way, next to safe and very ergonomic handling be guaranteed.
  • FIG. 2 now shows the extracted Housing component 8.
  • the housing component here has air outlet openings 28 which in the Side walls 30 and the top side 32 of the housing component 8 are arranged. Through the air outlet openings 28 the filtered air blown out by the dust is largely exempt.
  • the bottom side 34 of the housing component is straight trained to at least one linear support at Parking the sander and tipping it backwards to ensure. Lateral tilting of the tool can be prevented.
  • the housing component 8 consists of two half shells 8a and 8b, which are connected by screw connections 36 are connected.
  • a Cover 40 provided in the direction of arrow 42 pivotable, but fixed to the housing component 8 connected is.
  • the lid is a hinged lid executed, which is rotatably mounted about a hinge. The In this way flap 40 is captive and also permanent a filter change or emptying the Dust collector protected against losing as it does not have to or cannot be removed.
  • FIG 3 shows the dust collector according to Figure 2 in a side view, with one half of the housing removed and the cover 40 is shown cut.
  • the Attachment of the cover 40 is carried out with the swivel joint 44 here between the housing halves.
  • a sealing lip 46 points to the inside of the dust collector.
  • a locking lug 49 provided with which the flap 40 with the housing component 8th can be locked into place so that the flap is secure closed is. That's in the dust collector Filter means 50 stored, consisting of a rectangular Frame 52 and a pleated filter 54.
  • the filter medium 50 is here in a groove 51 ( Figure 4) in the housing halves 8a and 8b performed.
  • the groove 51 also serves as Sealant to the filter medium against the To seal the dust collecting housing. Sealing in the area the flap 40 takes place via the sealing lip 46, which as Part of the circumferential seal is provided. If the Cover flap 40 pivoted in the direction of arrow 42 is, the sealing lip 46 releases the filter medium 50 and this can in the direction of arrow 56 from the Dust collector can be removed by simple Pull out.
  • FIG. 4 now shows the representation according to Figure 2, wherein the rear cover has been removed.
  • the housing consists of two half shells 8a and 8b, the can be made of plastic as injection molded parts.
  • a pleated filter 54 is used as filter means 50 provided, the folds of which are also shown in FIG are.
  • the back ends of the pleats of the filter are here through a correspondingly shaped plastic cover 58 covered in order to blow out the unfiltered To prevent air.
  • FIG. 6 A top view of a corresponding one The filter is shown in FIG. 6, the frame 52 being deliberately rectangular was designed to fit both in terms of to enable one as well as the other direction and thus to prevent incorrect installation of the Filters 50 is possible.
  • FIG see the cover 58 opposite the pleated filter 54 become.
  • FIG. 8 shows a separate illustration of the Lid in a side view with the hinge 44 as well the locking lug 49 at the lower end 48 of the cover 40.
  • the Dust collection container can be emptied by the cover 40 from its first rest position, in which it has an opening 60 closes on the end side 38 of the housing component 8, in a second rest position is brought.
  • the filter medium consisting of filter frame 52 and To remove folder filter 54 from the dust collection area and replace if necessary.
  • the lid is captively attached to the housing 8. Through the additional attachment of the dust collection cassette on the grommet 16 of the power cord 14 or at the rear End of the sand house on which the power cord 14 from the If a device is operated, a stable unit results Dust collection cassette and sand house.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Surgical Instruments (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The device has a suction device and a dust collection device (2) with a filter arrangement. The dust collection device has a housing part (8) with a guide arrangement for the filter arrangement and an opening with a cover for removing the filter arrangement and for emptying dust collected within the housing part. The cover can be opened and closed for filter removal with the housing part mounted on the tool housing (6).

Description

Die Erfindung betrifft ein Elektrohandwerkzeug insbesondere ein exzentrisch oder oszillierend bzw. hin- und hergehend antreibbares Elektroschleifwerkzeug, wie insbesondere einen Dreieckschleifer, Exzenterschleifer oder Sander, bzw. einen Hobel, eine Lackfrase oder Stichsage, etc. mit einer Staubabsaugeinrichtung und einer mit der Staubabsaugeinrichtung zusammenwirkenden Staubaufnahmeeinrichtung, bei dem die Staubaufnahmeeinrichtung von einem im wesentlichen starren, einen Staubsammelraum bildenden, am Maschinengehäuse anbringbaren Gehausebauteil gebildet ist, in den ein Filtermittel aufnehmbar ist. Ein solches Werkzeug ist aus DE 299 23 577U bekanntThe invention relates in particular to an electric hand tool an eccentric or oscillating or reciprocating drivable electric grinding tool, such as one in particular Triangular grinder, random orbit sander, or one Planer, a varnish cutter or jigsaw, etc. with a Dust extraction device and one with the Interacting dust extractor Dust collection device, in which the Dust pickup device from an essentially rigid, forming a dust collecting space on the machine housing attachable housing component is formed in the Filter medium is receivable. Such a tool is from DE 299 23 577U known

Die Erfindung soll im Folgenden beispielhaft anhand eines Elektroschleifgerätes erlautert werden, ohne dass jedoch eine Beschrankung hierauf vorgenommen werden soll. Die Erfindung kann grundsatzlich bei allen Handwerkzeugen eingesetzt werden, bei denen eine Staubentwicklung besteht bzw. Spane anfallen.The invention is intended to be exemplified below with reference to a Electric grinder are explained without, however a restriction to this should be made. The In principle, invention can be applied to all hand tools can be used where there is dust or chips.

Staubabfuhr- oder -aufnahmeeinrichtungen sind bei Elektroschleifgeräten beispielsweise in Form eines Schleifstaubtransportkanals, an den ein Staubsaugerschlauch ankoppelbar ist, oder in Form eines Staubsammelbeutels ausgebildet.Dust removal or reception facilities are at Electric grinders, for example in the form of a Grinding dust transport channel to which a vacuum cleaner hose can be coupled, or in the form of a dust collecting bag educated.

Es erweist sich oftmals als hinderlich, wenn das Gerat mit einem Staubsaugerschlauch verbunden ist, weil dies die Handhabbarkeit und Manovrierbarkeit beim Schleifen erheblich einschränkt. Ubliche Staubsaugerschlauche sind zudem nicht allzu lang, so dass bei Uberkopfarbeiten zusatzliche Schwierigkeiten entstehen können. Auch die Verwendung eines aus Papier oder textilen Materialien gebildeten Staubauffangbeutels ist nachteilig, da dieser die Abmessungen des Schleifgerats nicht selten auf das Doppelte vergrößert. Daruber hinaus ist das Wechseln der an- und abkoppelbaren Staubbeutel aufwendig und unbefriedigend. It often proves to be a hindrance if the device is included a vacuum cleaner hose is connected because this is the Manageability and maneuverability when grinding significantly restricted. Common vacuum cleaner hoses are also not too long, so when working overhead additional difficulties may arise. Also the Use of paper or textile materials formed dust collection bag is disadvantageous because of this the dimensions of the grinder not infrequently on the Enlarged twice. In addition, changing is the attachable and detachable dust bags complex and unsatisfactory.

Ein derartiges Elektrohandwerkzeug ist beispielsweise aus der DE 198 00 045 A1 bekannt. Des weiteren offenbart auch die DE 41 21 256 A1 ein Elektrowerkzeug mit einem Behaltnis fur Staub, wobei das Behaltnis als Staubbeutel ausgebildet ist und am hinteren Gehauseende durch Aufstecken auf den Abluftkanal angebracht werden kann. Um den Staubsack zu stabilisieren, ist eine Halteeinrichtung vorgesehen, die am Anschlusskabel des Sanders befestigt wird. Auch hier muss der Staubsack zum Entleeren vom Gerat abgenommen werden und daruber hinaus ist ein derartiger Staubsack nicht vor mechanischen Beschädigungen geschutzt.Such an electric hand tool is, for example, from known from DE 198 00 045 A1. Furthermore also reveals DE 41 21 256 A1 an electric tool with a container for dust, the container being designed as a dust bag and at the rear end of the housing by plugging it onto the Exhaust duct can be attached. To the dust bag too stabilize, a holding device is provided which on Connection cable of the Sanders is attached. Here too must the dust bag can be removed from the device for emptying and In addition, such a dust bag is not available mechanical damage protected.

Weiterhin ist es bekannt, ein starres, unmittelbar an das Maschinengehause anbringbares gehausebildendes Bauteil vorzusehen, welches unmittelbar am Maschinengehause, vorzugsweise an der Unterseite des Maschinengehauses anordenbar und an diesem gehalten ist. Auf diese Weise ist der Staubsammelraum nicht, wie bei Verwendung eines Staubbeutels, nach hinten oder von den Seiten des Maschinengehauses des Elektrohandwerkzeugs abstehend und damit storend angeordnet, sondern er schmiegt sich kompakt an das Maschinengehäuse an. Eine derartige Gestaltung ist beispielsweise aus der
DE 198 31 383 A1 bekannt. Der Staubsammelbehälter ist hier als starrer Kunststoffbehälter ausgebildet, der auf den Abluftkanal eines Sanders aufgesteckt wird. Der Filter ist fest mit dem Gehausedeckel des Staubauffangbehalters verbunden, so dass zum Wechsel des Filters der Staubauffangbehalter vom Gerat abgenommen werden muss. Es muss dann der Deckel entfernt werden und gegen einen neuen Deckel mit einem neuen Filter ausgetauscht werden. Gleiches gilt fur das Entleeren des Staubauffangbehälters, wobei der Austausch des Deckels in diesem Fall entfallen kann.Furthermore, it is known to provide a rigid housing-forming component which can be attached directly to the machine housing and which can be arranged directly on the machine housing, preferably on the underside of the machine housing, and is held thereon. In this way, the dust collecting space is not, as when using a dust bag, protruding to the rear or from the sides of the machine housing of the electric hand tool and is therefore arranged in a manner that is objectionable, but instead nestles compactly against the machine housing. Such a design is for example from the
DE 198 31 383 A1 known. The dust collection container is designed here as a rigid plastic container which is plugged onto the exhaust air duct of a sander. The filter is firmly connected to the housing cover of the dust collector, so that the dust collector has to be removed from the device to change the filter. The cover must then be removed and replaced with a new cover with a new filter. The same applies to the emptying of the dust collector, whereby the replacement of the lid can be omitted in this case.

Daruber hinaus ist aus der DE 40 38 634 C2 ein Schleifgerat bekannt, bei dem ein Sammelbehalter vorgesehen ist, wobei hier Offnungen im Sammelbehalter durch Netzgewebe als Filter uberspannt sind.In addition, DE 40 38 634 C2 describes a grinding device known in which a collecting container is provided, wherein here openings in the collection container through mesh as Filters are spanned.

Schließlich ist aus der DE 299 23 577 U1 ein gattungsgemaßes Elektrohandwerkzeug bekannt, mit einem starren Gehausebauteil als Staubsammelraum, in das ein Filtermittel uber mehrere Seiten innen an das Gehausebauteil anlegbar ist, wobei das Filtermittel aus einem ebenen Abschnitt eines Filtermaterials den Abmessungen der Innenseite des Gehäusebauteils entsprechend faltbar ist.Finally, from DE 299 23 577 U1 Generic electrical hand tool known, with a rigid housing component as a dust collection space in the Filter media on several sides on the inside Housing component can be applied, with the filter medium a flat section of a filter material Dimensions of the inside of the housing component accordingly is foldable.

Die Filterung der Abluft wird damit uber einen Flachfilter gewahrleistet, der auf einen stabilen Rahmen aufgebracht ist. Zum Entleeren des Behalters bzw. Wechseln oder Reinigen des Filters muss der gesamte Staubsammelbehalter vom Gerat abgenommen werden.The filtering of the exhaust air is thus via a flat filter ensured that applied to a stable frame is. For emptying the container or changing or The entire dust collection container must be cleaned be removed from the device.

Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Elektrohandwerkzeug der vorstehend genannten Art dahingehend zu verbessern, dass die Entleerung und der Wechsel des Filters deutlich erleichtert ist.Proceeding from this, the present invention is the Task based on an electric hand tool of the above to improve the way that the Emptying and changing the filter significantly easier is.

Die Aufgabe wird durch ein Elektrohandwerkzeug mit dem Merkmalen des Anspruchs 1 gelöst. Durch die Vorsehung einer Offnung, die durch eine Klappe bzw. einen Deckel verschließbar ist, kann erreicht werden, dass nicht langer eine Entfernung des Staubsammelbehalters von der Maschine zum Entleeren und zum Wechseln des Filters notwendig ist. Grundsatzlich ist es damit auch moglich, den Staubsammelbehalter fest mit dem Handwerkzeug selbst zu verbinden.The object is achieved by an electric hand tool with the features of claim 1 solved. Through the Providing an opening through a flap or a Lid is lockable, can not be achieved longer distance from the dust collector Machine for emptying and changing the filter necessary is. In principle, it is also possible to Dust collection container firmly with the hand tool itself connect.

Es kann jedoch auch vorgesehen sein, dass das Gehausebauteil lösbar mit dem Maschinengehause in seiner Montageposition verbunden ist, insbesondere mit diesem formschlussig verrastbar ist.However, it can also be provided that the Housing component detachable with the machine housing in its Mounting position is connected, in particular with this can be positively locked.

Das den Staubsammelraum bildende Gehausebauteil kann an sich in beliebiger Weise am Maschinengehause gehalten sein, insbesondere kann es auch fest mit diesem verbunden sein. Vor einer Befestigung mittels Schrauben wird eine klemmschlüssige oder eine formschlussige Anordnung bevorzugt. Dabei erweist es sich als vorteilhaft, wenn das Gehäusebauteil in seiner Montageposition am Maschinengehäuse verrastbar ist. Solchenfalls erweist es sich wiederum als Vorteil, wenn ein manuell losbares federndes Rastelement vorgesehen ist, das vorzugsweise an einer in Langsrichtung hinteren Endseite des Gerates angeordnet ist.The housing component forming the dust collection space can be on be held on the machine housing in any way, in particular, it can also be firmly connected to it. Before fastening with screws, a clamped or a form-fitting arrangement prefers. It proves to be advantageous if that Housing component in its mounting position on Machine housing can be locked. If so, it turns out turn out to be an advantage if a manually removable Resilient locking element is provided, which is preferably on a rear end side of the device in the longitudinal direction is arranged.

Sofern das Gehausebauteil losbar verbunden ist mit dem Maschinengehause, besitzt dies den Vorteil, dass es beispielsweise gegen einen Sauganschluss eines Staubabsauggerates, beispielsweise eines Staubsaugers, ausgetauscht werden kann. If the housing component is detachably connected to the Machine housing, this has the advantage that it for example against a suction port Dust extraction device, for example a vacuum cleaner, can be exchanged.

Das Gehausebauteil kann dabei im wesentlichen als Kunststoffspritzgussteil ausgebidet sein und insbesondere aus zwei Schalen bestehen. Die Verwendung eines Zweischalengehauses besitzt herstellungstechnische Vorteile.The housing component can be essentially as Injection molded plastic part and in particular consist of two shells. The use of a Clamshell house has manufacturing technology Benefits.

Bei einer bevorzugten Ausfuhrungsform des erfindungsgemäßen Elektrohandwerkzeuges ist das den Staubsammelraum bildende, im wesentlichen starre Gehausebauteil auf das Maschinengehause, vorzugsweise auf dessen werkstuckzugewandte Unterseite, aufschiebbar. Es kann auf diese Weise eine kompakte Erscheinungsform des Elektrohandwerkzeuges erzeugt werden und außerdem wird das Aufschieben des Gehausebauteils von einem Benutzer als unkompliziert und leicht durcnfuhrbar empfunden.In a preferred embodiment of the invention The electric hand tool is the one that forms the dust essentially rigid housing component on the Machine housing, preferably on its Workpiece-facing underside, can be pushed on. It can be on this way a compact appearance of the Electric hand tool are generated and also that Postponing the housing component by a user felt uncomplicated and easy to carry out.

In einer weiteren Ausbildung der Erfindung ist das Gehausebauteil im wesentlichen langlich ausgebildet, mit einer Längserstreckung, die in der Montageposition mit der Langserstreckung des Elektrohandwerkzeugs zusammenfallt und das Gehäusebauteil weist eine zum Werkzeug hin orientierte Stirnseite auf, an der es mit der Absaugvorrichtung uber einen Anschlussstutzen verbindbar ist, eine davon abgewandte Endseite, zwei einander gegenuberliegende Längsseiten sowie eine von dem Maschinengehäuse abgewandte Bodenseite und eine dem Maschinengehause zugewandte Deckseite. Zwischen dem Werkzeug, beispielsweise einem dreieckformigeren oder runden Schleifteller bzw. einem rechteckigen Schleifteller, und der Staubaufnahmeeinrichtung ist ublicherweise eine Art Staubtransportkanal ausgebildet. Dieser Staubtransportkanal mundet direkt in den Staubsammelraum. Der Staubtransportkanal verläuft vorzugsweise auf der werkstuckzugewandten Unterseite des Elektrohandwerkzeuges und ist in Weiterbildung der Erfindung vom Maschinengehause selbst gebildet. Er mundet vorzugsweise in die zum Elektrohandwerkzeug hin orientierte Stirnseite des Gehausebauteils.In a further embodiment of the invention that is Housing component essentially elongated, with a longitudinal extension, which in the assembly position with the Longitudinal extension of the electric hand tool collapses and the housing component has one oriented towards the tool Face on which it is with the suction device a connection piece is connectable, one of them opposite end side, two opposite one another Long sides and one facing away from the machine housing Bottom side and one facing the machine housing Cover page. Between the tool, for example one triangular or round sanding pads or one rectangular sanding disc, and the Dust collection device is usually a kind Dust transport channel formed. This dust transport channel mouths directly into the dust collection room. The Dust transport channel preferably runs on the underside of the electric hand tool facing the workpiece and is a further development of the invention of the machine housing self-educated. He prefers in the to Electrical hand tool oriented end face of the Gehausebauteils.

Es kann hierbei vorgesehen sein, dass die Öffnung zum Filterwechseln bzw. Entleeren des Staubauffangbehalters an der Endseite angeordnet ist. Insbesondere bei Vorsehen der Offnung an der Endseite kann eine Entleerung auf einfache Weise verwirklicht werden, indem die Offnung durch Offnen des Deckels bzw. Verschwenken der Klappe freigeben wird und das Werkzeug mit seine Langserstreckung senkrecht gehalten wird, wobei z.B. der Schleifteller nach oben und das Netzkabel nach unten zeigen. Auf diese Weise kann besonders einfach der Staub aus dem Staubsammelraum in einen beliebigen Endauffangbehalter uberfuhrt werden.It can be provided that the opening to Change the filter or empty the dust collector the end side is arranged. Especially if the Opening at the end can make emptying easy Can be realized by opening by opening the lid or pivoting the flap is released and the tool with its longitudinal extension is held vertically where e.g. the sanding plate up and that Point the power cord down. This way it can be special just the dust from the dust collector into one any end catch container can be transferred.

Daruber hinaus ist auf diese Weise auch besonders einfach ein Wechsel des Filters moglich, indem die Klappe geöffnet wird und der Filter aus der Offnung und dem Staubsammelbehalter hinaus gezogen wird, in Richtung der Langsachse des Elektrohandwerkzeugs, wobei hier keine Behinderung durch das Werkzeug selber besteht.In addition, it is also particularly simple in this way the filter can be changed by opening the flap and the filter from the opening and the Dust collector is pulled out towards the Long axis of the electric hand tool, but none here Disability caused by the tool itself.

Insbesondere kann vorgesehen sein, dass zwischen dem Maschinengehäuse und der Deckseite zumindest bereichsweise ein Abstand in der Montageposition verbleibt und das Maschinengehause in diesem Bereich als Griff ausgebildet ist, wobei das Gehausebauteil so einen Griffschutz bildet gegen Beruhrungen eines Benutzers des Elektrohandwerkzeugs mit einem Werkstuck oder dem Werkzeug, also z.B. dem Schleifteller selbst.In particular, it can be provided that between the Machine housing and the top side at least in some areas a distance remains in the mounting position and that Machine housing designed as a handle in this area is, the housing component forms such a grip protection against touching a user of the electric hand tool with a workpiece or the tool, e.g. the Sanding disc itself.

Durch Ausgestaltung des Maschinengehauses im Bereich des Griffes sowie des Gehausebauteils kann eine ergonomische Griffmulde mit gleichzeitigem Handschutz gebildet werden, wie sie bei modernen Elektrohandwerkzeugen heute z.T. bereits vorgesehen ist.By designing the machine house in the area of Handle as well as the housing component can be ergonomic Recessed grip with simultaneous hand protection are formed, as they are sometimes with modern electric hand tools. is already provided.

Die umgreifende und fuhrende Hand eines Benutzers wird daher vor Beruhungen mit dem Werkstuck und daher vor Verletzungen geschützt, was besonders vorteilhaft ist. Auf der werkstuckzugewandten Unterseite des Maschinengehäuses kann dieses in vorteilhafter Weise eine wellenformig ausgebildete Greifkontur fur die Finger eines Benutzers des Gerates ausbilden.A user's gripping and guiding hand therefore before resting on the workpiece and therefore before Injuries protected, which is particularly advantageous. On the underside of the machine housing facing the workpiece this can advantageously be wave-shaped trained gripping contour for the fingers of a user of the Train equipment.

Die vorzugsweise schlitzförmigen Luftaustrittsöffnungen des Gehausebauteils können an sich uber samtlichen Seiten des Staubsammelraums angeordnet sein. Nach einer bevorzugten Ausfuhrungsform erstrecken sie sich im wesentlichen durchgehend uber die Bodenseite und/oder die Deckseite des Gehausebauteils und/oder in die Längsseiten hinein und können uber die gesamte Querrichtung der jeweiligen Seite verlaufen. Durch die Ausgestaltung der schlitzförmigen Luftaustrittsoffnungen können daruber hinaus bestimmte Designakzente gesetzt werden.The preferably slot-shaped air outlet openings of the Housing component can in itself over all sides of the Dust collection room can be arranged. According to a preferred In the embodiment, they essentially extend continuously across the bottom and / or the top of the Housing component and / or in the long sides and can over the entire transverse direction of each side run. By designing the slit-shaped Air outlet openings can also be certain Design accents can be set.

Besonders bevorzugt ist es jedoch, die Luftaustrittsoffnung an der Deckseite anzubringen, da dann ein leichteres Einbringen und Abdichten der Filtermittel durch eine nach oben verschwenkbare Klappe zum Verschließen der Öffnung moglich ist.It is particularly preferred, however, the air outlet opening to be attached to the deck side, since this makes it easier Introducing and sealing the filter media by means of a hinged flap at the top to close the opening is possible.

Insbesondere wenn ein Filtereinsatz verwendet wird, der an einem Rahmen angeordnet ist, kann vorgesehen sein, dass der Rahmen im Bereich der Deckseite im Inneren des Gehausebauteils zum Liegen kommt und im Bereich des Rahmens eine Abdichtung stattfindet. Auf diese Weise kann besonders einfach eine gute Staubfilterung aus der Luft erzielt werden und gleichzeitig ein einfaches Einschieben des Filters gewahrleistet sein, indem die Klappe einfach nach oben verschwenkt wird und der Filter in die entsprechenden Nuten eingeschoben wird.Especially if a filter insert is used, the on a frame is arranged, it can be provided that the Frame in the area of the deck inside the Housing component comes to rest and in the area of the frame sealing takes place. This way it can be special simply achieved good dust filtering from the air be and at the same time a simple insertion of the Filters can be ensured by simply opening the flap is pivoted above and the filter in the corresponding Grooves is inserted.

Eine derartige Ausgestaltung wird von einem Benutzer als besonders problemlos gefunden.Such a configuration is considered by a user found particularly easily.

Dabei kann vorgesehen sein, dass der Deckel zum Verschließen der Offnung gelenkig an dem Gehausebauteil festgelegt ist, insbesondere an seinem in Richtung der Deckseite zugewandten Ende. Der Deckel lässt sich dann um eine im wesentlichen horizontale Schwenkachse nach oben umklappen. Es kann dabei vorgesehen sein, dass er sowohl in der geschlossenen Stellung uber Rastmittel mit dem Gehausebauteil verrastbar ist, aber es kann auch eine Rastung in einer oder zwei geoffneten Stufen vorgesehen sein. So kann beispielsweise eine erste Stufe der Öffnung vorgesehen sein, die zur Entleerung des Staubsammelbehalters dient. In einer zweiten Stufe kann dann vorgesehen sein, dass die Klappe ganz nach oben verschwenkt ist und in dieser Position ein besonders einfaches Wechseln des Filtermittels ermöglicht wird. Insbesondere kann der Deckel jedoch den Vorteil besitzen, stets am Gerat zu verbleiben, und zwar auch beim Wechseln oder Saubern des Filtereinsatzes, der einfach von hinten aus dem Gehause herausgezogen wird. Auf diese Weise ist der Deckel unverlierbar mit dem Gehausebauteil verbunden.It can be provided that the lid for Closing the opening in an articulated manner on the housing component is set, particularly at its towards the End facing the top side. The lid can then be moved around a substantially horizontal pivot axis upwards fold. It can be provided that both the closed position via locking means with the Housing component is lockable, but it can also be Detent provided in one or two open steps his. For example, a first stage of opening be provided for emptying the Dust collector serves. In a second stage then be provided that the flap all the way up is pivoted and a special in this position simple changing of the filter medium is made possible. In particular, however, the lid can have the advantage to always remain on the device, even when changing or cleaning the filter insert, which is easy from behind is pulled out of the housing. In this way it is Lid captively connected to the housing component.

Schließlich kann vorgesehen sein, dass am Deckel eine Dichtkante vorgesehen ist, die mit einer umlaufenden Dichtkante in dem Gehausebauteil korrespondiert und den Filter gegenuber dem Gehäusebauteil abdichtet, wobei die Dichtkante insbesondere in die Fuhrungsmittel integriert ist oder durch diese selbst gebildet wird.Finally, it can be provided that a Sealing edge is provided with a circumferential Sealing edge in the housing component corresponds and the Seals filter against the housing component, the Sealing edge integrated in particular in the guide means is or is formed by this itself.

Damit wird sichergestellt, dass samtliche Abluft durch den Filter hindurchgelangt, bevor sie aus dem Gehausebauteil austreten kann. Eine besonders gute und effektive Abluftreinigung wird auf diese Weise sichergestellt.This ensures that all the exhaust air through the Filters get through before coming out of the housing component can leak. A particularly good and effective one Exhaust air cleaning is ensured in this way.

Das Filtermittel kann als ein Filtereinsatz, bestehend aus einem Rahmen und einem hiermit fest verbundenen Filter ausgebildet sein, wobei der Rahmen insbesondere eine rechteckige Form besitzen kann. Mit dem Rahmen kann das Filtermittel dann in Gehausenuten als Führungsmittel eingeschoben oder auf Gehausestege als Führungsmittel aufgeschoben sein. Generell konnen im Inneren des Gehäusebauteils Stutzmittel als Fuhrungsmittel vorgesehen sein, wobei diese steg- oder rippenformige Innenvorsprunge besitzen konnen. Bei dem Filtermittel kann es sich hierbei um einen Faltenfilter handeln, wobei der Faltenfilter an seinen beiden Enden, also der Stirn- und der Endseite, einen aus Kunststoff bestehenden Filterabschluss besitzen kann. Der Faltenfilter kann damit abgedeckt werden, so dass er allseitig geschlossen ist.The filter medium can consist of a filter insert consisting of a frame and a filter firmly attached to it be formed, the frame in particular a can have a rectangular shape. With the frame it can Filter media then in housing grooves as a guide inserted or on gangways as a guide to be put off. Generally, inside the Housing component support means provided as a guide be, this web or rib-shaped inner protrusion can own. The filter medium can do this act as a pleated filter, the pleated filter attached to its two ends, i.e. the front and the end side, have a filter cover made of plastic can. The pleated filter can be covered so that it is closed on all sides.

Die Abdeckung kann dabei der Form des Faltenfilters entsprechen.The cover can be the shape of the pleated filter correspond.

Durch den rechteckigen Rahmen kann vorgesehen sein, dass der Filter symmetrisch ausgebildet ist und somit ein Falscheinbau verhaltnismaßig sicher vermieden werden kann.The rectangular frame can provide that the filter is symmetrical and thus a Incorrect installation can be avoided relatively safely.

Schließlich kann vorgesehen sein, dass das Gehausebauteil mit dem Maschinengehäuse dicht verbunden ist, wobei im Gehausebauteil an der Stirnseite oder der korrespondierenden Seite des Maschinengehauses eine umlaufende Dichtung, insbesondere ein O-Ring, vorgesehen ist, gegen den das andere Bauteil anliegt und so gepresst wird, dass eine dichte Verbindung sichergestellt ist.Finally, it can be provided that the housing component is tightly connected to the machine housing, wherein in Housing component on the front or the corresponding side of the machine housing one circumferential seal, in particular an O-ring, is provided against which the other component rests and is pressed will ensure that a tight connection is ensured.

Um ein besonders leichtes Arbeiten mit dem Elektrohandwerkzeug zu gewahrleisten, kann vorgesehen sein, dass das Gehausebauteil in Richtung seiner Bodenseite nicht uber das Werkzeug selbst hinausragt.To make working with the To ensure electrical hand tools can be provided that the housing component is not towards its bottom side protrudes beyond the tool itself.

Es erweist sich ferner darüber hinaus als vorteilhaft, wenn das Gehausebauteil eine flachenhafte ebene Bodenseite aufweist, da hierdurch beim Abstellen des Elektrohandwerkzeugs auf eine Unterlage eine wackelfreie stabile Anordnung erreicht werden kann. Wenn die Bodenseite des Gehausebauteils in derselben Ebene wie die Flache des Werkzeugs verlauft, so kann das Elektrohandwerkzeug auf der gesamten Bodenflache des den Staubsammelraum bildenden Gehäusebauteils abgestellt werden. Sofern diese Bodenflache gegenuber dem flachenhaften Werkzeug zurückgesetzt ist, um eine leichtere Bearbeitung eines Werkstucks zu ermoglichen, so steht eine zumindest quer verlaufende linienförmige Auflage zur Verfugung, so dass ein Verkippen des Gerats zur Seite hin weitgehend vermieden wird.It also proves advantageous if the housing component has a flat, flat bottom side has, as a result when turning off the Electric hand tool on a pad a wobble-free stable arrangement can be achieved. If the bottom side of the housing component in the same plane as the surface of the Tool runs, so the electric hand tool on the total floor area of the dust collecting space Housing component are parked. Unless this floor area is set back to the flat tool enable easier machining of a workpiece, so there is an at least transverse linear one Support available, so that the device tilts Side is largely avoided.

Um das Gehausebauteil noch sicherer mit dem Maschinengehause zu verbinden, kann vorgesehen sein, dass die Endseite des Gehausebauteils so gestaltet ist, dass eine Kabeltulle des Netzanschlussteils, die an dem Maschinengehause angebracht ist und aus diesem hervorsteht, durch das Gehausebauteil umgriffen wird. Dabei kann das Gehausebauteil so ausgebildet sein, dass es im Bereich seiner Endseite an das Endgriffstuck des Maschinengehauses anschließbar ist und so geformt ist, das es nahtlos in dieses ubergeht und so den Eindruck eines einheitlichen Griffes zusammen mit dem Maschinengehause vermittelt. To make the housing component even safer with the To connect the machine housing can be provided that the end side of the housing component is designed so that a cable grommet of the power connector connected to the Machine housing is attached and protrudes from it, is encompassed by the housing component. It can Housing component should be designed so that it is in the area its end side to the end grip of the machine housing is connectable and is shaped so that it fits in seamlessly this passes over and so the impression of a uniform Griffes conveyed together with the machine housing.

Da es bei Bedarf doch erforderlich oder wünschenswert wäre, eine externe Staubabsaugvorrichtung einzusetzen, erweist es sich als besonders vorteilhaft, wenn das den Staubsammelraum bildende Gehäusebauteil abnehmbar und gegen eine externe Staubabsaugvorrichtung austauschbar ist. Hierbei ist es besonders vorteilhaft, wenn der Anschlussstutzen am Maschinengehäuse so gestaltet ist, dass kein Adapter notwendig ist.Since it would be necessary or desirable if necessary, Using an external dust extraction device proves it prove to be particularly advantageous if that Dust collecting housing component detachable and against an external dust extraction device is interchangeable. It is particularly advantageous if the Connection piece on the machine housing is designed so that no adapter is necessary.

Weitere Einzelheiten und Merkmale sowie Vorteile der Erfindung ergeben sich aus den beigefugten Anspruchen, fur deren Merkmale jeweils fur sich genommen Schutz beansprucht wird, und aus der zeichnerischen Darstellung und nachfolgenden Beschreibung einer bevorzugten Ausfuhrungsform des erfindungsgemäßen Elektrohandwerkzeugs.Further details and features as well as advantages of Invention result from the appended claims, for the characteristics of which each claim protection by themselves will, and from the graphic representation and following description of a preferred Embodiment of the electric hand tool according to the invention.

Dabei zeigen:

Figur 1
eine Seitenansicht eines erfindungsgemaßen Elektroschleifgerates;
Figur 2
ein Gehausebauteil gemäß Figur 1 einzeln in einer Seitenansicht;
Figur 3
die Darstellung gemaß Figur 2, wobei eine Gehausehalfte entfernt wurde;
Figur 4
ein Staubsammelbehälter gemaß Figur 2 von hinten mit entferntem Deckel;
Figur 5
ein Filtermittel von hinten ;
Figur 6
eine Draufsicht auf ein Filtermittel gemaß Figur 5;
Figur 7
ein Längsschnitt durch ein Filtermittel gemaß Figur 6 und
Figur 8
eine Seitenansicht des Deckels.
Show:
Figure 1
a side view of an inventive electric grinder;
Figure 2
a housing component according to Figure 1 individually in a side view;
Figure 3
the representation according to Figure 2, with one half of the housing removed;
Figure 4
a dust collector according to Figure 2 from behind with the lid removed;
Figure 5
a filter medium from behind;
Figure 6
a plan view of a filter means according to Figure 5;
Figure 7
a longitudinal section through a filter means according to Figure 6 and
Figure 8
a side view of the lid.

Figur 1 zeigt eine bevorzugte Ausfuhrungsform eines erfindungsgemaßen Elektrohandwerkzeuges in Form eines Sanders mit einer Staubaufnahmeeinrichtung 2 die von einem einen im wesentlichen starren Staubsammelraum 4 bildenden und losbar an einem Maschinengehause 6 des Schleifgerates anbringbaren Gehäusebauteil 8 gebildet ist.Figure 1 shows a preferred embodiment of a Electric hand tool according to the invention in the form of a Sanders with a dust pick-up device 2 from one an essentially rigid dust collecting space 4 and detachable on a machine housing 6 of the grinding device attachable housing member 8 is formed.

Der Sander umfasst einen an sich bekannten und nicht naher beschriebenen Schleifteller 10 mit Durchgangsoffnungen in nicht dargestellter Weise. Durch die Durchgangsoffnungen wird im Schleifbetrieb Staub in das Innere des Maschinengehäuses gefordert. Dies wird durch eine entsprechende Gebläseeinrichtung gefordert. Die Geblaseeinrichtung ist in bekannter Weise ausgebildet und blast Luft und damit Schleifstaub durch die Öffnungen im Schleifteller 10 hindurch in einen Staubtransportkanal. Der Staubtransportkanal mündet in eine Eintrittsoffnung bzw. einen Anschlussstutzen, der mit einer Eintrittsöffnung des Staubsammelraums 4 an dessen Stirnseite 12 zusammenwirkt.The sander includes a known and not closer described grinding plate 10 with through openings in not shown way. Through the passage openings dust gets into the inside of the grinding machine Machine housing required. This is done by a appropriate blower device required. The Blower device is designed in a known manner and blows air and thus grinding dust through the openings in the Sanding disc 10 into a dust transport channel. The Dust transport channel opens into an entry opening or a connecting piece with an inlet opening of the Dust collecting space 4 cooperates on its end face 12.

Der elektrische Antrieb ist uber ein Kabel 14 das mittels eines Kabelstutzens 16 an dem Maschinengehause verbunden ist, gegeben. Der Kabelstutzen wird hierbei durch ein Anteil 18 des Gehäusebauteils 8 umgriffen. Der Anteil des Gehausebauteil 18 ist dabei so ausgebildet, dass er auf der einen Seite mit dem Gehausebauteil 8 eine harmonische Form bildet und auf der anderen Seite so ausgebildet ist, dass er nahtlos an das Maschinengehäuse 6 anschließt, so dass der Gehäusebauteil 8 zusammen mit dem Maschinengehäuse 6 eine organisch wirkende Gesamtform bildet.The electric drive is by means of a cable 14 a cable connector 16 connected to the machine housing is given. The cable gland is replaced by a Part 18 of the housing component 8 encompassed. The share of Housing component 18 is designed so that it on the one side with the housing component 8 a harmonious shape forms and on the other hand is designed so that it connects seamlessly to the machine housing 6, so that the housing component 8 together with the machine housing 6 forms an organic form.

Das Maschinengehause 6 ist dabei zumindest im Bereich 20 so ausgebildet, dass es als Griff dient. Im Bereich des Gehauses 20, das als Griff dient, ist daruber hinaus ein Betätigungselement 22 zum Ein- und Ausschalten des Werkzeugs vorgesehen. An dem Schleifteller 10 kann ein passendes Sandpapier befestigt werden. The machine housing 6 is so at least in the area 20 trained that it serves as a handle. In the area of Housing 20, which serves as a handle, is also a Actuator 22 for switching the on and off Tool provided. On the grinding plate 10, a suitable sandpaper can be attached.

Zum Fuhren des gezeigten Sanders ist daruber hinaus ein weiterer vorderer Handgriff 24 vorgesehen, der mit der zweiten Hand ergriffen werden kann.To run the shown sanders is also a further front handle 24 provided with the second hand can be taken.

Insgesamt kann durch die angepasste Form des Gehäusebauteils 8 an die Maschinenform des Sanders ein im Design sehr ansprechendes Werkzeug erreicht werden. Daruber hinaus kann durch den Abstand 26 zwischen dem Bereich 20 und dem Gehausebauteil 8 eine geschutzte Fuhrung des Werkzeugs erzielt werden. Wird der Griffbereich 20 durch einen Benutzer ergriffen, wird die Hand durch das Gehausebauteil 8 geschutzt. Auf diese Weise kann neben einer sicheren auch eine sehr ergonomische Handhabung gewährleistet werden.Overall, the customized shape of the Housing component 8 to the machine shape of the sander Design very appealing tool can be achieved. About that In addition, the distance 26 between the region 20 and the housing component 8 a protected guide of the Tool can be achieved. If the grip area 20 by a user is gripped by the hand Housing component 8 protected. That way, next to safe and very ergonomic handling be guaranteed.

Figur 2 zeigt nun in herausgezogener Darstellung den Gehausebauteil 8. Am vorderen Ende 12 befindet sich hierbei der Staubkanalanschluss der am hinteren Ende des Staubkanals des Sanders befestigt wird. Das Gehausebauteil besitzt hierbei Luftaustrittsoffnungen 28, die in den Seitenwanden 30 sowie der Deckseite 32 des Gehäusebauteils 8 angeordnet sind. Durch die Luftaustrittsöffnungen 28 wird die gefilterte Luft ausgeblasen, die vom Staub weitestgehend befreit ist.Figure 2 now shows the extracted Housing component 8. At the front end 12 there is the dust duct connection at the rear end of the Sanders dust duct is attached. The housing component here has air outlet openings 28 which in the Side walls 30 and the top side 32 of the housing component 8 are arranged. Through the air outlet openings 28 the filtered air blown out by the dust is largely exempt.

Die Bodenseite 34 des Gehausebauteils ist hierbei gerade ausgebildet, um zumindest eine linienformige Auflage beim Abstellen des Sanders und beim Kippen desselben nach hinten zu gewährleisten. Ein seitliches Verkippen des Werkzeugs kann hierdurch verhindert werden.The bottom side 34 of the housing component is straight trained to at least one linear support at Parking the sander and tipping it backwards to ensure. Lateral tilting of the tool can be prevented.

Daruber hinaus kann gut der Anteil 18 des Gehausebauteils 8 gesehen werden, was zum Umgreifen der Kabeltulle 16 dient. Das Gehausebauteil 8 besteht hierbei aus zwei Halbschalen 8a und 8b, die durch Verschraubungen 36 miteinander verbunden sind.In addition, the portion 18 of the housing component 8 can well can be seen what is used to grip the cable grommet 16. The housing component 8 consists of two half shells 8a and 8b, which are connected by screw connections 36 are connected.

An der Endseite 38 des Gehäusebauteils 8 ist hierbei ein Deckel 40 vorgesehen, der in Pfeilrichtung 42 verschwenkbar, jedoch fest mit dem Gehausebauteil 8 verbunden ist. Der Deckel ist hierbei als Klappdeckel ausgeführt, der um ein Scharnier drehbar gelagert ist. Die Klappe 40 ist auf diese Weise unverlierbar und auch wahrend eines Filterwechsels bzw. eines Entleeren des Staubsammelbehalters gegen Verlieren geschutzt, da sie nicht abgenommen werden muss bzw. kann.On the end side 38 of the housing component 8 there is a Cover 40 provided in the direction of arrow 42 pivotable, but fixed to the housing component 8 connected is. The lid is a hinged lid executed, which is rotatably mounted about a hinge. The In this way flap 40 is captive and also permanent a filter change or emptying the Dust collector protected against losing as it does not have to or cannot be removed.

Die Anlenkung des Deckels ist in Figur 3 dargestellt.The articulation of the lid is shown in Figure 3.

Figur 3 zeigt den Staubsammelbehälter gemaß Figur 2 in einer Seitenansicht, wobei eine Gehausehalfte abgenommen wurde und der Deckel 40 geschnitten dargestellt ist. Die Befestigung des Deckels 40 mit dem Drehgelenk 44 erfolgt hierbei zwischen den Gehausehalften. Eine Dichtlippe 46 weist ins Innere des Staubsammelbehalters.Figure 3 shows the dust collector according to Figure 2 in a side view, with one half of the housing removed and the cover 40 is shown cut. The Attachment of the cover 40 is carried out with the swivel joint 44 here between the housing halves. A sealing lip 46 points to the inside of the dust collector.

Am unteren Ende 48 der Klappe 40 ist eine Rastnase 49 vorgesehen, mit der die Klappe 40 mit dem Gehausebauteil 8 rastend verriegelt werden kann, so dass die Klappe sicher geschlossen ist. In dem Staubsammelbehalter ist das Filtermittel 50 gelagert, bestehend aus einem rechteckigen Rahmen 52 sowie einem Faltenfilter 54. Das Filtermittel 50 ist hierbei in einer Nut 51 (Figur 4) in den Gehäusehalften 8a und 8b geführt. Die Nut 51 dient hier gleichzeitig als Dichtmittel, um das Filtermittel gegenuber dem Staubsammelgehause abzudichten. Die Abdichtung im Bereich der Klappe 40 erfolgt dabei uber die Dichtlippe 46, die als Teil der umlaufenden Dichtung vorgesehen ist. Sofern die Abdeckklappe 40 ganz in Richtung des Pfeils 42 verschwenkt ist, gibt die Dichtlippe 46 das Filtermittel 50 frei und dieses kann in Pfeilrichtung 56 aus dem Staubsammelbehältnis entfernt werden durch einfaches Herausziehen.At the lower end 48 of the flap 40 is a locking lug 49 provided with which the flap 40 with the housing component 8th can be locked into place so that the flap is secure closed is. That's in the dust collector Filter means 50 stored, consisting of a rectangular Frame 52 and a pleated filter 54. The filter medium 50 is here in a groove 51 (Figure 4) in the housing halves 8a and 8b performed. The groove 51 also serves as Sealant to the filter medium against the To seal the dust collecting housing. Sealing in the area the flap 40 takes place via the sealing lip 46, which as Part of the circumferential seal is provided. If the Cover flap 40 pivoted in the direction of arrow 42 is, the sealing lip 46 releases the filter medium 50 and this can in the direction of arrow 56 from the Dust collector can be removed by simple Pull out.

Im Bereich des Staubkanalanschlusses 13 ist ebenfalls ein O-Ring vorgesehen, uber den eine Abdichtung des Gehausebauteils 8 gegenüber dem Maschinengehause 6 erfolgt. In the area of the dust duct connection 13 there is also a O-ring provided, through which a seal of the Housing component 8 takes place opposite the machine housing 6.

Figur 4 zeigt nun die Darstellung gemaß Figur 2, wobei der hintere Deckel entfernt wurde. Gut zu erkennen ist, dass das Gehause aus zwei Halbschalen 8a und 8 b besteht, die aus Kunststoff als Spritzgussteile hergestellt sein konnen. Als Filtermittel 50 ist hierbei ein Faltenfilter 54 vorgesehen, dessen Falten ebenfalls in Figur 4 gezeigt sind. Die hinteren Enden der Falten des Filters sind hier durch eine entsprechend geformte Kunststoffabdeckung 58 uberdeckt, um auch hier ein Herausblasen der ungefilterten Luft zu verhindern.Figure 4 now shows the representation according to Figure 2, wherein the rear cover has been removed. It is easy to see that the housing consists of two half shells 8a and 8b, the can be made of plastic as injection molded parts. Here, a pleated filter 54 is used as filter means 50 provided, the folds of which are also shown in FIG are. The back ends of the pleats of the filter are here through a correspondingly shaped plastic cover 58 covered in order to blow out the unfiltered To prevent air.

Figur 5 zeigt nun einen Filtereinsatz von hinten, wobei der Filterrahmen 52 sowie die Filterabdeckung der Falten 58 zu erkennen sind. Eine Draufsicht auf einen entsprechenden Filter zeigt Figur 6 wobei der Rahmen 52 bewusst rechteckig gestaltet wurde, um einen Einbau sowohl hinsichtlich der einen als auch der anderen Richtung zu ermöglichen und somit zu verhindern, dass ein fehlerhafter Einbau des Filters 50 moglich ist. In Figur 7 kann neben dem Rahmen 52 die Abdeckung 58 gegenuber dem Faltenfilter 54 ersehen werden.Figure 5 now shows a filter insert from behind, the Filter frame 52 and the filter cover of the folds 58 too are recognizable. A top view of a corresponding one The filter is shown in FIG. 6, the frame 52 being deliberately rectangular was designed to fit both in terms of to enable one as well as the other direction and thus to prevent incorrect installation of the Filters 50 is possible. In addition to the frame 52, FIG see the cover 58 opposite the pleated filter 54 become.

Schließlich zeigt Figur 8 eine separate Darstellung des Deckels in einer Seitenansicht mit dem Scharnier 44 sowie der Rastnase 49 am unteren Ende 48 des Deckels 40. Finally, FIG. 8 shows a separate illustration of the Lid in a side view with the hinge 44 as well the locking lug 49 at the lower end 48 of the cover 40.

Wird nun im Betrieb Schleifstaub durch den Staubabfuhrkanal in den Staubsammelbehalter hineingefördert, so durchdringt die staubgeschwangerte Luft den Filter 50 und tritt durch die Luftaustrittsöffnungen 28 aus dem Gehausebauteil 8 aus.Is now grinding dust in operation through the dust discharge channel conveyed into the dust collector, so penetrated the dust-laden air passes through the filter 50 the air outlet openings 28 from the housing component 8.

Sobald der Staubsammelraum gefullt ist, kann - ohne dass dieser von der Maschine entfernt wird - der Staubsammelbehalter entleert werden, indem der Deckel 40 aus seiner ersten Rastposition, in der er eine Offnung 60 an der Endseite 38 des Gehausebauteils 8 verschließt, in eine zweite Rastposition gebracht wird.As soon as the dust collecting space is filled, it can - without this is removed from the machine - the Dust collection container can be emptied by the cover 40 from its first rest position, in which it has an opening 60 closes on the end side 38 of the housing component 8, in a second rest position is brought.

Durch weiteres Offnen des Deckels ist es daruber hinaus moglich, das Filtermittel bestehend aus Filterrahmen 52 und Falterfilter 54 aus dem Staubsammelraum zu entnehmen und ggf. auszutauschen.By opening the lid further it is beyond possible, the filter medium consisting of filter frame 52 and To remove folder filter 54 from the dust collection area and replace if necessary.

Durch die Fuhrung in Nuten, die gleichzeitig der Abdichtung dienen im Staubsammelbehalter wird eine besonders einfache Montage und Demontage des Filtermittels 50 erzielt. Dies kann herstellungstechnisch auf einfache Weise durch die Verwendung eines Zwei-Schalen-Kunststoffgehäuses realisiert werden.Due to the guidance in grooves, which at the same time the sealing serve in the dust collector is a particularly simple Assembly and disassembly of the filter medium 50 achieved. This can be easily manufactured by the Realized using a two-shell plastic housing become.

Der Deckel ist dabei verlierfest am Gehause 8 befestigt. Durch die zusatzliche Befestigung der Staubauffangkassette an der Kabeltülle 16 des Netzkabels 14 bzw. am hinteren Ende des Sandergehauses, an dem das Netzkabel 14 aus dem Gerat gefuhrt wird, ergibt sich eine stabile Einheit aus Staubauffangkassette und Sandergehause.The lid is captively attached to the housing 8. Through the additional attachment of the dust collection cassette on the grommet 16 of the power cord 14 or at the rear End of the sand house on which the power cord 14 from the If a device is operated, a stable unit results Dust collection cassette and sand house.

Zwischen dem Anteil 18 des Gehausebauteils 8 und dem Maschinengehause 6 ist ein O-Ring angeordnet, um die Ubertragung von Schwingungen und Vibrationen des Werkzeugs auf das Gehausebauteil zu verhindern oder zumindest zu dämpfen.Between the portion 18 of the housing component 8 and Machine housing 6 has an O-ring arranged around it Transmission of oscillations and vibrations of the tool to prevent or at least to the housing component dampen.

Insbesondere durch ein Entleeren bzw. Filterwechsel ohne Abnahme des Gehausebauteils 8 wird das Arbeiten mit einem entsprechend ausgerusteten Sander deutlich vereinfacht.In particular by emptying or changing the filter without Removal of the housing component 8 will work with one appropriately equipped sander significantly simplified.

Claims (17)

  1. Hand-held power tool, in particular grinding tool, plane, router or saw with an extraction device and a dust collection device (2) working in cooperation with the extraction device in which tool the dust collection device (2) is formed by a substantially rigid housing component (8) forming a dust collection chamber (4) attachable to the machine housing (6), in which filter means (50) are receivable, characterised in that the housing component (8) comprises guide means for receiving the filter means and the housing component (8) has an aperture (60) closable by a cover (40) for receiving the filter means (50) and for emptying the dust which has been collected and extracted in the housing component (8), in the assembled position in which the housing component (8) is connected to the machine housing (6) the cover (40) being openable and closable to exchange the filter means (50) and to empty the dust collection chamber (4).
  2. Hand-held power tool according to claim 1, characterised in that in its assembled position the housing component (8) is detachably connected to the machine housing (6), in particular is positively latchable therewith.
  3. Hand-held power tool according to claim 1 or 2, characterised in that the housing component (8) has a longitudinal extension which in the assembled position coincides with the longitudinal extension of the hand-held power tool and the housing component (8) has a front face (12) oriented toward the hand-held power tool, on which face it can be connected to the extraction device via a connecting pipe, an end face (38) facing away therefrom and two longitudinal faces (30) opposing one another, in addition to a bottom face (34) facing away from the machine housing (6) and a top face (32) facing the machine housing (6).
  4. Hand-held power tool according to one or more of the preceding claims, characterised in that the aperture (60) is arranged on the end face (38).
  5. Hand-held power tool according to one or more of the preceding claims, characterised in that in the assembled position a spacing (26) remains at least partially between the machine housing (6) and the top face (32) and the machine housing (6) is constructed in this region as a grip (20) and the housing component (8) forms a grip protector to shield a user from touching a workpiece or the tool (10).
  6. Hand-held power tool according to one or more of the preceding claims, characterised in that the housing component (8) has air outlet apertures (28) which in particular are slit-shaped.
  7. Hand-held power tool according to one or more of the preceding claims, characterised in that the air outlet apertures (28) are provided on the bottom (34) and/or top face (32) and the longitudinal faces (30).
  8. Hand-held power tool according to one or more of the preceding claims, characterised in that to close the aperture (60) the cover (40) is hingeably fixed to the housing component (8) and in particular is engageable in the open and closed position.
  9. Hand-held power tool according to one or several of the preceding claims, characterised in that on the cover (40) a sealing edge (46) is provided which corresponds to a circular sealing edge in the housing component (8) and is inserted therein, the sealing edge in particular being integrated into the guide means.
  10. Hand-held power tool according to one or several of the preceding claims, characterised in that the housing component (8) is constructed as a two-shell housing.
  11. Hand-held power tool according to one or several of the preceding claims, characterised in that the filter means (50) are a filter insert consisting of a frame (52) and a filter (54) tightly connected therewith and the frame (52) works in cooperation with the guide means.
  12. Hand-held power tool according to one or several of the preceding claims, characterised in that the end face (38) of the housing component (8) grips a cable bushing (16) which is attached to the machine housing (6) and protrudes therefrom.
  13. Hand-held power tool according to one or several of the preceding claims, characterised in that the housing component (8) is tightly connected to the machine housing (6), in particular in the housing component (8) on the front face (12) or the corresponding face of the machine housing (6) a peripheral seal, in particular an O-ring, is provided against which the other component rests.
  14. Hand-held power tool according to one or several of the preceding claims, characterised in that the frame (52) of the filter insert is formed as a rectangle, so that the front and end faces of the filter means (50) are identical in construction.
  15. Hand-held power tool according to one or several of the preceding claims, characterised in that the filter (54) is a folded filter, a filter fold closure (58) which can in particular consist of plastics, being fixable in one piece to the frame (52).
  16. Hand-held power tool according to one or several of the preceding claims, characterised in that the housing component (8) in the direction of its bottom face (34) does not protrude over the tool.
  17. Hand-held power tool according to one or several of the preceding claims, characterised in that when the housing component (8) is removed a dust extraction device is attachable to the connecting pipe of the suction device of the machine housing (6).
EP03000296A 2002-03-02 2003-01-09 Electric hand tool Expired - Lifetime EP1340591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10209325 2002-03-02
DE10209325A DE10209325B4 (en) 2002-03-02 2002-03-02 Electric hand tool

Publications (2)

Publication Number Publication Date
EP1340591A1 EP1340591A1 (en) 2003-09-03
EP1340591B1 true EP1340591B1 (en) 2004-07-07

Family

ID=27675177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03000296A Expired - Lifetime EP1340591B1 (en) 2002-03-02 2003-01-09 Electric hand tool

Country Status (4)

Country Link
EP (1) EP1340591B1 (en)
AT (1) ATE270602T1 (en)
DE (2) DE10209325B4 (en)
ES (1) ES2224078T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD741557S1 (en) 2014-01-15 2015-10-20 Milwaukee Electric Tool Corporation Dust collector
USD742081S1 (en) 2014-01-15 2015-10-27 Milwaukee Electric Tool Corporation Dust collector

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358583A1 (en) * 2003-12-15 2005-07-07 Robert Bosch Gmbh Electric hand tool
DE102006026768A1 (en) * 2006-06-09 2007-12-13 Robert Bosch Gmbh Dust filter device
CN103862381B (en) * 2014-03-29 2017-06-20 台州鑫峰环保科技有限公司 Polishing dust removal device
CN105380568A (en) * 2015-08-19 2016-03-09 尚平 Micro dust collector

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DE403864C (en) * 1920-10-08 1924-10-07 Schmidt Sche Heissdampf Ges M Device for carrying out the process for overheating the operating steam
US4967516A (en) * 1989-12-13 1990-11-06 Ryobi Motor Products Corp. Debris collection system for a surface treating tool
DE4121256C2 (en) * 1991-06-27 1996-08-08 Metabowerke Kg Power tool with a container for dust and the like
DE19800045B4 (en) * 1997-02-27 2006-08-31 Robert Bosch Gmbh sander
DE19831383A1 (en) * 1998-07-14 2000-01-20 Bosch Gmbh Robert Power tool with integrated dust collection container, which is particularly safely joined with valve on dust inlet and hook on top and has easy exchangeable filter positioned in top lid
KR100686902B1 (en) * 1998-12-17 2007-02-26 코닌클리케 필립스 일렉트로닉스 엔.브이. Vacuum cleaner with detachable dust container
DE29923577U1 (en) * 1999-04-01 2000-11-30 Metabowerke GmbH & Co, 72622 Nürtingen Electric grinder
DE19924547A1 (en) * 1999-05-28 2000-11-30 Bosch Gmbh Robert Hand tool with integrated dust suction; has integrated dust suction connected to flat dust box with air exit holes in releasable covers on side walls, where air exit holes have dust-proof filters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD741557S1 (en) 2014-01-15 2015-10-20 Milwaukee Electric Tool Corporation Dust collector
USD742081S1 (en) 2014-01-15 2015-10-27 Milwaukee Electric Tool Corporation Dust collector

Also Published As

Publication number Publication date
DE50300028D1 (en) 2004-08-12
DE10209325A1 (en) 2003-09-25
DE10209325B4 (en) 2005-11-10
ES2224078T3 (en) 2005-03-01
EP1340591A1 (en) 2003-09-03
ATE270602T1 (en) 2004-07-15

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