WO2019211486A1

WO2019211486A1 - Machine tool housing

Info

Publication number: WO2019211486A1
Application number: PCT/EP2019/061523
Authority: WO
Inventors: Uwe Engelfried; Florian Schmehl; Jens Zieger; Jan Hiller; Ulrich Bohne
Original assignee: Robert Bosch Gmbh
Priority date: 2018-05-04
Filing date: 2019-05-06
Publication date: 2019-11-07
Also published as: EP3787845A1; CN112334280A; DE102018206873A1; EP3787845B1

Abstract

The invention relates to a machine tool housing having at least one housing shell element (12a; 12b; 12c) and at least one second housing shell element (14a; 14b; 14c) that is connected to the first housing shell element (12a; 12b; 12c) via at least one contact surface (16a) of the first housing shell element (12a; 12b; 12c) and via at least one contact area (18a) of the second housing shell element (14a; 14b; 14c) along at least one contact line (20a; 20b; 20c) between the first housing shell element (12a; 12b; 12c) and the second housing shell element (14a; 14b; 14c), wherein the first housing shell element (12a; 12b; 12c) and the second housing shell element (14a; 14b; 14c) forms, at least in sections, a handle (22a; 22b; 22c), in particular, a gun handle. According to the invention, the first housing shell element (12a; 12b; 12c) and the second housing shell element (14a; 14b; 14C) are interconnected along the contact line (20a; 20b; 20C) at least essentially free from visible fastening elements, in particular fixed to one another.

Description

description

Tool housing

State of the art

It is already a machine tool housing with at least a first Ge housing shell element and at least a second Gehäuseschalenele element, the surface with the first housing shell element via at least one contact surface of the first housing shell element and at least one Kontaktflä surface of the second housing shell element along at least one line of contact between the first housing shell element and the second Gehäusescha lenelement is connected, wherein the first housing shell element and the second housing shell element at least partially form a handle, in particular a pistol grip, have been proposed.

Disclosure of the invention

The invention is based on a machine tool housing having at least one first housing shell element and at least one second housing seschalenelement, the at least one contact surface of the first housing shell member and at least one contact surface of the second housing shell member along at least one contact line between the first housing shell element and the at least one second housing two th housing shell element is connected, wherein the first housing shell element and the second housing shell element at least partially form a handle, in particular a pistol grip. It is proposed that the first housing shell element and the second housing shell element are connected to one another along the contact line, at least essentially free of visible fastening elements, in particular fixed to one another. The first housing shell element and the second Ge housing shell element are preferably formed as housing shells. In particular, the first housing shell element and the second housing shell element have a three-dimensional shape. The first housing shell element and the second housing shell element are preferably formed from a plastic. Alternatively, it is conceivable that the first housing shell element and / or the second housing shell element from a metal, from a composite material, in particular fiber composite material, or from another, the skilled person appear useful material is ausgebil det / is. In particular, it is conceivable that the second housing shell element is formed of a material different from a material of the first housing shell element nen. At least the first housing shell element and the second housing shell element form, in particular in a mutually fixed state, together a housing of a machine tool. The machine tool is preferably as a hand tool, as in example as an electric screwdriver, as a grinding machine, ge as a Stichsä o. The like. Formed. Preferably within the fabric by at least the first housing shell member and the second housing shell member th housing further, preferably all, internal components of the machine tool, such as a motor, a transmission, control electronics o. The like. Arranged and / or enclosed by the housing. Preferably, the machine tool housing, in particular depending on a type or a type of machine tool, comprise at least one additional housing shell element.

The contact line is in particular a line along which the first housing shell element and the second housing shell element are arranged in an assembled state of the machine tool housing to each other, in particular special abut against each other. Preferably, the contact line is formed as a separating edge, along which the first housing shell element and the second housing shell element are connected to each other and / or separable. The contact line corresponds in particular at least substantially to a course a housing edge of the first housing shell element or the second Ge housing shell element. Preferably, the housing edge of the first housing shell element or of the second housing shell element runs at least substantially perpendicular to a wall thickness of the first housing shell element or of the second housing shell element. Preferably, the housing edge of the first housing shell element or of the two th housing shell element limits the first housing shell element or the two te housing shell element, in particular in a direction which is directed at least substantially perpendicular to the housing edge and the wall thickness of the Ers th housing shell element and the second housing shell element is. The housing edge of the first housing shell element preferably has a course with a course of the housing edge of the second housing shell element corresponding course. In particular, the first housing shell element and the second housing shell element are in a mon-oriented state of the machine tool housing along the housing edge of the first housing shell member and along the housing edge of the second housing shell element at least substantially dimensionally accurate, in particular jigsaw-like, to each other. Preferably, the first housing shell element and the second housing shell element over the contact surface of the first housing shell element and the contact surface of the second housing shell element abut each other. The contact surface of the first housing shell elements or the contact surface of the second housing shell element is clamped in particular by a maximum length of the housing edge of the first housing shell element or the second housing shell element and by a wall thickness of the first housing shell element or the second hous seschalenelements. The term "substantially perpendicular" is intended in particular to define an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maxi male deviation of particular smaller than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.

The handle is in particular a housing area, on which a user grips the machine tool for use and / or actuation of the machine tool. In particular, a first housing shell element and a second Housing shell element, which form a housing for an electric screwdriver, a drill, a hammer drill o. The like., At least from section to form a trained as a pistol grip handle. A designed as a pistol grip handle is particularly at least We sentlichen analogous to a handle of a gun formed. In particular, a machine tool housing with a pistol grip at least in Wesentli Chen tangible analogous to a gun. Preferably, an actuating switch for actuating the machine tool is arranged at least substantially analogously to a trigger of a pistol on the handle. Preferably, a trained as a pistol grip handle is aligned at an angle to a grip on the hand subsequent housing portion. In particular, the trained as a pistol grip handle and the subsequent subsequent to the handle housing section at least substantially an L-shaped Endab section of the machine tool housing from. The ausgebil as a pistol grip handle is in particular arcuate nengehäuse in the rest of the machine tool.

The first housing shell element and the second housing shell element are preferably connected to one another, in particular fixed to one another. Preference, the first housing shell element and the second housing shell element are connected to each other at least on the handle at least substantially free of view ble fastening elements together, in particular fixed to each other. Preferably, the first housing shell element and the second housing shell element along the contact line completely free of visible fasteners connected to each other, in particular fixed to each other. The, in particular not visible from the outside, fasteners for fixing the first housing shell member and the second Gehäusescha lenelements can be designed as fasteners, in particular as screws, connecting pins, bolts, locking elements, screw holes or other, a person skilled in the meaning of apparent fasteners. The machine tool housing preferably has a plurality of, in particular different, fastening elements for connecting the first housing shell element and the second housing shell element to one another. Preferably, the fastening elements are in an assembled state of the machine tool housing or of the machine tool, in particular for the user, not visible, especially not visible. Preferably, the insbesonde re not visible from the outside, fastener elements by the first housing shell element, by the second housing shell element and / or by wei tere components of the machine tool housing or the machine tool, such as a tool holder, a switch, a shutter, a clip o The like, covered.

The inventive design of the machine tool housing can advantageously be provided a machine tool housing, which allows use free of visible or disturbing fasteners. It can be an advantageously comfortable and safe machine tool housing be made, which is advantageously ergonomically designed in particular on a handle. It can advantageously be provided a visually appealing Werkzeugmaschi nengehäuse, which allows an advantageously simple assembly and / or disassembly. It can be provided generating machine housing advantageous advantageous cost factory, which allows an advantageous easy to maintain machine tool.

Furthermore, it is proposed that the handle is formed at least substantially on a side facing the tool side and / or opposite side of the handle at least substantially free of separating edges. The tool side of the machine tool housing is in particular an outer side of the first housing shell element and / or the second housing shell element having at least one outlet opening from which an output element of the machine tool can protrude to drive an insert tool, and / or in a mounted state of the machine tool housing a Tool holder of the machine tool and / or a tool receiving at the factory arranged application tool is facing. Preferably, a use of the machine tool housing or Werkzeugma machine by the user, especially on the handle, a force in the direction of the tool side or transversely to a main extension plane of the tool side exercisable. A "main extension plane" of a unit is to be understood in particular special a plane which is parallel to a largest side surface of a smallest imaginary cuboid, which just completely surrounds the unit, and in particular through the center of the cuboid runs. By "transverse" is intended in particular an orientation of a direction and / or an axis relative to a reference direction and / or a reference axis were ver, wherein the orientation of the direction and / or the axis at least different from an at least substantially parallel alignment with the reference direction and / or to the reference axis and in particular is skewed or perpendicular to the reference direction and / or to the reference axis. "Substantially parallel" is to be understood, in particular, as an orientation of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction a deviation in particular dress ner than 8 °, advantageously less than 5 ° and particularly advantageously smaller as 2 ° points.

Preferably, the handle is formed at least on the tool side abgewand th side of the handle at least substantially free of separating edges. Preferably, the handle on the side facing the tool side and the side facing away from the tool side of the handle is formed at least substantially free of separating edges. Preferably, the handle has at least one separating edge on at least one at least substantially perpendicular to the aligned side of the handle to the tool side. Preferably, the handle has two sides of the handle aligned at least substantially perpendicular to the tool side. In particular, the handle on both of the at least substantially perpendicular to the tool side aligned pages on the separation edge. "Provided" is to be understood in particular spei ell programmed, designed and / or equipped. The fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state. Advantageously, the handle on one side of the handle, on which a force is applied during use, be formed separating edge free. It can be provided an advantageous ergonomic grip option for an advantageous power transmission to an insert tool.

It is also proposed that the machine tool housing comprises at least one meandering separating edge along which the first housing shell element and the second housing shell element at least a formation of a housing portion to a recording of a Antriebsstran geinheit a machine tool are connected together. In particular, a course of the separating edge corresponds at least substantially never the Kontaktli. Preferably, the first housing shell element and the second housing shell element Ge are interconnected to form the handle along the separation edge. Preferably, the separating edge extends at least substantially linearly on the handle. The drive train unit is preferably provided for driving an insert tool of the machine tool. The drive train unit, for example, a motor, in particular a Elekt romotor, a transmission, a drive and / or output shaft o. The like. Include. Preferably, the drive train unit is arranged at least partially within the first housing shell element and the second housing shell element in the housing area to receive the drive train unit.

The meandering course of the separating edge is in particular formed differently from a linear course of the separating edge. In particular, the separating edge on the housing area extends to a receptacle of the drive train unit, at least in sections. Preferably, the separation edge extends in the housing portion to a recording of the drive train unit at least once arcuate. Preferably, the separating edge extends in the housin sebereich to a recording of the drive train unit multiple arcuate. In particular, an opening directly into an arcuate course of the separating edge separating edge portion with an adjoining directly to the arcuate profile of the separation edge separating edge portion an angle resi ßer than 45 °, preferably an angle greater than 90 ° and more preferably include an angle greater than 120 °. In particular, the opening directly into the arcuate profile of the separating edge separating edge portion with the directly following the arcuate profile of the separating edge separating edge portion an angle smaller than 180 °, preferably an angle smaller than 160 ° and more preferably include an angle smaller than 140 °. Preferably, the separating edge runs at least substantially along a first outer side of the first housing shell element and the second housing shell element. Preferably, the separating edge extends along a second, the first outer side facing away from the outer side of the first housing shell elements and the second housing shell element at least substantially symmetrical to a course along the first outer side. It can be achieved in front of some connection between the first housing shell element and the second housing shell element, in particular to an advantageous power transmission between the first housing shell element and the second hous seschalenelement.

Furthermore, it is proposed that the separating edge runs in at least two zueinan of the angled dividing planes between the first housing shell element and the second housing shell element. A parting plane is in particular special a plane between the first housing shell element and the second housing shell element in which the separating edge extends and the particular special at least substantially aligned perpendicular to a contacting direction along which the first housing shell element and the second housing shell element abut each other, in particular fixed to each other are. In particular, the parting plane is aligned at least substantially parallel to the contact surface of the first housing shell element or of the second housing shell element. In particular, a parting plane to a wide ren dividing plane at an angle greater than 45 °, preferably at an angle greater than 90 ° and particularly preferably at an angle greater than 120 ° abgewin kelt. In particular, the parting plane to the further parting plane in an angle is less than 180 °, preferably at an angle less than 160 ° and particularly preferably angled at an angle smaller than 140 °. Preferably, the separating edge extends in more than two mutually angled parting planes. Before geous a multi-level connection between the first Gehäusescha lenelement and the second housing shell element can be achieved. An advantageously stable connection between the first housing shell element and the second housing shell element can be achieved.

In addition, it is proposed that the machine tool housing comprises at least one connecting element arranged at least on the first housing shell element and / or on the second housing shell element, which at least leads to a positive and / or non-positive connection of the first housing element to the second housing shell element at least to a fixation of the the first housing shell element and the second Gehäusescha lenelements on at least one other component, in particular a Lagerbrü- bridge, is provided. The connecting element can be designed, in particular, as a spring, as a dovetail or as another connecting element which appears expedient to a person skilled in the art. Preferably, the machine tool housing comprises at least one shell element at least on the first housing element and / or on the second housing shell element arrange Tes counter-connecting element, which is provided in particular as a counterpart to the connecting element. The counter-connecting element can be designed in particular as a groove, as a latching recess or as another, a person skilled in appearing appropriate counter-connecting element. The connecting element is len to a positive and / or non-positive Ver connection of the first housing shell element with the second Gehäusescha preferably engageable with the mating connector. In particular, the counter-connecting element is formed corresponding to the connecting element.

The further component of the machine tool housing may be designed as a bearing bridge as a locking tab or the like. In particular, the further component is provided for receiving the at least substantially complete drive train unit. The connecting element is provided for a positive and / or non-positive connection of the first housing shell element with the second housing shell element for fixing the first housing shell element and the second housing shell element to the further component, in particular by a positive and / or non-positive connection with the mating connecting element , Preferably, the United connecting element connects the first housing shell element form and / or kraftschlüs sig with the other component and the second housing shell element. Alterna tively, it is conceivable that the connecting element the form-fitting and / or non-positively connects with the second housing shell member, the first housing shell element such that the first housing shell element and the second housing shell element are fixed by a clamping connection to the wide ren component. Preferably, the connecting element and the Ge genverbindungselement are arranged on an inner side of the first Gehäuseschalenele element and / or the second housing shell element, which is hidden in an assembled state of the machine tool housing. The connecting element and / or the counter-connecting element can / can in particular especially cohesively connected to the first housing shell element and / or to the second housing shell element, in particular integrally formed with the first housing shell element and / or the second housing shell element. Under "one-piece" is to be formed in particular in a piece formed ver. Preferably, this is a piece of a single raw ling, a mass and / or a casting, particularly preferably in an injection molding process, in particular a one- and / or multi-component injection molding process prepared. Advantageously, a positive and / or non-positive connection of the first housing shell element with the second housing shell element can be achieved free of visible fastening elements.

Furthermore, it is proposed that the machine tool housing be connected to at least one snap-hook element arranged on the first housing shell element and / or on the second housing shell element

Snap connection of the first housing shell element with the second Ge housing shell element comprises. Preferably, the Werkzeugmaschi nengehäuse at least one arranged on the first housing shell element and / or on the second housing shell element with the snap hook element corresponding Gegenschnapphakenelement. Preferably, the snap hook element and / or the counter snap hook element are arranged on the inside of the first housing shell element and / or the second housing shell element. Preferably, the snap hook element and / or the counter snap hook element are cohesively connected to the first housing shell element and / or connected to the second housing shell element, in particular integrally formed with the first housing shell element and / or with the second housing shell element. The Schnapphakenele element is preferably formed at least partially elastic. The snap hook element may in particular have at least one latching extension which can be brought into engagement with the counter snap hook element. The counter snap hook element can in particular be designed as a latching recess, as a latching projection or the like. Preferably, the snap connection between the first housing shell element and the second housing shell element is designed as a positive and / or non-positive connection. The Schnappha kenelement and / or the Gegenschnapphakenelement can / can in particular dere from one of a material of the first housing shell member and / or the second housing shell member different material forms be, for example, a metal, in particular a spring steel. Before geous another option for at least substantially free of visible fasteners formed connection of the first hous seschalenelements and the second housing shell element be provided to each other be.

It is also proposed that the machine tool housing comprises at least one, in particular horseshoe-shaped, clamping element which is provided with the second housing shell element at least on the handle to a clamping connection of the first housing shell element. Preference, the clamping element is formed separately from the first housing shell element and the second housing shell element. In particular, the clamping element may be formed at least partially elastic. The clamping element is in particular designed like a clip. In particular, the clamping element is provided to hold the first housing shell element and the second housing shell element by a clamping action of the clamping element zusammenzuhal th. The clamping element may in particular at least one, preferably two, clamping extensions. The first housing shell element and the second housing shell element preferably each have at least one fastening rib. The fastening ribs are preferably arranged on the inner sides of the first housing shell element and the second housing shell element. Preferably, the clamping element is designed to be pushed onto the fastening ribs. The clamping element pushed onto the fastening ribs, in particular by means of the clamping extensions, preferably exerts a clamping effect on the fastening ribs at least substantially perpendicular to the parting plane, by which the first housing shell element and the second housing shell element are fixed to one another.

Preferably, the clamping element is at least substantially horseshoe-shaped. Alternatively, it is conceivable that the clamping element is at least in We sentlichen C-shaped, U-shaped, L-shaped, semi-annular o. The like. Is formed.

The, in particular horseshoe-shaped, clamping element may have in particular fingerar term clamping extensions. By means of finger-like clamping extensions can the horseshoe-shaped clamping element preferably exert a clamping action on the fastening ribs. Alternatively, or in addition to the Befestigungsrip pen is conceivable that the first housing shell element and the second hous seschalenelement each having at least one clamping recess into which the clamping element, in particular a clamping extension of the clamping element, a feasible. Preferably, the clamping recess is formed as a partial recess in the first housing shell element and the second housing shell element. In particular, a clamping extension of the clamping element in a clamping recess of the first housing shell member and another clamping extension of the clamping element in a further clamping recess of the second housing shell member to a fixing of the first Gehäusescha lenelements and the second housing shell member is inserted one another. Preferably, the clamping recess is formed corresponding to a Formge environment of the clamping extension. Preferably, in each case at least one clamping recess is arranged on the inner sides of the first housing shell element and the second housing shell element. The clamping element may preferably be made of a material different from a material of the first housing shell elements and the second housing shell element material, for example, a metal, in particular a spring steel. Preferably, the machine tool housing has two Klemmelemen te, wherein a clamping element, the first housing shell element and the second housing shell element fixed in a region of the separating edge on a ers th inside of the handle together and another clamping element, the first housing shell element and the second housing shell element in a region of the separating edge a second, the first inside of the handle opposite, inside of the handle fixed to each other. Advantageously, an additional possibility for at least substantially free of visible fasteners formed connection of the first housing shell member and the second housing shell member miteinan be provided.

It is also proposed that the clamping element is at least partially disposed within at least one wall recess of the first housing shell elements and / or the second housing shell element. The wall recess has a to the clamping recess at least in the substantial analogous shaping. In particular, in the Wandungsausneh tion of the clamping extension of, in particular horseshoe-shaped, clamping element can be inserted. In particular, the first housing shell element and the second housing shell element each have at least one wall recess, preferably at least two wall recesses. Preferably, the Wandungsausnehmung is at least substantially closed except for an insertion opening through which the clamping extension is inserted. Preferably, the first housing shell element and the second housing shell element, at least on the handle, a wall thickness, which is seen to a recording of the clamping element, in particular of the clamping extension before. In particular, the Wandungsausnehmung is formed as a cavity in a wall of the first housing shell member and / or the second Ge häuseschalenelements. Advantageously, the clamping element can already be at least substantially hidden in an incompletely mounted state of the machine tool housing or of the machine tool.

It is also proposed that the clamping element has at least one Verriege ment recess for locking at least one battery unit of a machine tool on the handle. In particular, the at least substantially horseshoe-shaped clamping element comprises the Verriegelungsaus perception. The locking recess is preferably formed as a recess in a locking extension of the clamping element. The battery unit is preferably provided for a power supply of the drive train unit of the machine tool. The handle is preferably provided for at least partially receiving the battery unit within the first Gehäusescha lenelements and the second housing shell member. In particular, the battery unit by means of the locking recess is at least teilwei se within the first housing shell member and the second housing shell member fixed. The battery unit is preferably formed as a battery pack. Alternatively, it is conceivable that the battery unit is designed as a capacitor, as a connector to a coupling to a power grid or as another ree, one skilled in the art seem appropriate battery unit. In particular, the battery unit has at least one locking hook element for locking with the clamping element, in particular with the locking recess of the clamping element on. The clamping recess preferably has has a shape corresponding to the locking hook element. The locking recess may in particular be rectangular, round, elliptical or the like. Preferably, the locking hook element is detachably formed latched in the locking recess. Preferably, each clamping element has a locking recess. Advantageously, a space-saving and resistant, in particular secure, locking of the battery unit can be made possible on the handle.

Furthermore, it is proposed that the machine tool housing comprises at least one, in particular separately to the first housing shell element and / or the second housing shell element formed, marking element comprising at least one extension to a fixation of the Ers th housing shell member and / or the second housing shell member. The marking element is preferably provided for marking the machine tool housing or the machine tool, in particular as belonging to a specific series of machine tools. The marking element is designed in particular as a static marking voltage element. In particular, the identification element is provided for a change-free identification. In particular, the identification element is formed at least substantially without energy consumption. Preferably, the marking element has at least one surface structuring on. The surface structuring is preferably formed as a silver coating. Alternatively or additionally, it is conceivable that the surface structuring is formed as an embossing, in particular in the form of a logo or the like. Preferably, the identification element is at least substantially in the manner of a clasp, tongue-like or the like. The identification element is preferably curved at least in sections. The marking element is preferably made of a shell material different from the material of the first housing shell element and / or the second housing material, such as a metal, in particular special spring steel, formed.

The marking element is preferably to a fixing of the first Ge housing shell element and / or the second housing shell element, in particular special to each other and / or on at least one other component, by way of example the bearing bridge or a panel, provided. In particular, the identification element comprises at least one extension, preferably two extensions.

The extension is preferably designed as an at least sectionwise angling, in particular an at least substantially perpendicular angling, of the identification element. For a fixation of the first housing shell member and / or the second housing shell member is the Kenn drawing element provided to intervene with the extension in at least one groove of the first housing shell member and / or the second housing shell elements. Preferably, the identification element engages a fixing of the first housing shell element and the second Gehäusescha lenelements together with an extension in a groove of the first Gehäusescha lenelements and with a further extension in a further groove of the second housing shell element. To fix the first Gehäuseschalenele element and / or the second housing shell element to the other component, the identification element can engage with an extension in a groove of the other component. Alternatively or additionally, it is conceivable that the marking element is formed magnetically to a magnetic fixation of the first Gehäuseschalenele element and / or the second housing shell member. The marking element may further to a covering of fastening supply elements, such as screws, connecting pins o. The like., Be provided. Advantageously, visible fastening elements can be replaced by an identification element or at least covered.

Furthermore, the invention is based on a machine tool, in particular a hand tool, with at least one machine according to the invention generating machine housing. The machine tool is preferably designed as an electric hand tool, in particular a cordless electric hand tool. The machine tool is preferably designed as an electric screwdriver, as a grinding machine, as a jig saw or as another machine tool that appears appropriate to a person skilled in the art. Advantageously, a machine tool can be provided with a comfortable, safe, ergonomic, inexpensive, easy to maintain and visually appealing Werkzeugmaschi nengehäuse. Furthermore, it is proposed that the machine tool comprises at least one drive train unit on which the first housing shell element and the second housing shell element are fixed together along a drive axis of the drive train geinheit. The drive train unit is provided in particular for driving an insert tool of the machine tool. The insertion tool can be designed, in particular, as a screwdriver bit, as a drill, as a grinding plate, as a saw blade or as another insertion tool that appears meaningful to a person skilled in the art. Preferably, the drive train unit comprises at least one motor, in particular an electric motor, at least one gear, at least one drive shaft and / or at least one output shaft. Preferably, the drive axle of the Antriebsstran geinheit unit runs at least substantially parallel, in particular coaxially, to a longitudinal axis of the drive shaft and / or the output shaft of Antriebsstrangein unit. A longitudinal axis of a, in particular cylindrical, object is in particular special an axis, which is aligned at least substantially perpendicular to a plane defined by cylinder radii of the object cross-sectional area of the object. Preferably, the drive train unit is provided for a rotating and / or oscillating drive of the insertion tool around and / or along the drive axis. When using the machine tool, the user preferably applies a force along the drive axis to the tool machine, in particular to the insert tool of the machine tool. Preferably, the drive train unit is provided to fix the first housing seschalenelement and the second housing shell element along the drive shaft to each other. In particular, the first Gehäusescha lenelement and the second housing shell element along the drive axis considered at least substantially one behind the other, in particular on the on triebsstrangeinheit arranged. In particular, at least one Trennebe ne at least partially, in particular on the handle, transverse to the drive shaft to. The first housing shell element and the second Gehäusescha lenelement are preferably along the drive axle by means of fastening elements and / or a locking tab on the drive train unit and fixed to each other via the drive train unit. Advantageously, a stable fixation of the first housing shell element and the second Gehäusescha lenelements can be achieved together. The first housing shell element, the second housing shell element and the drive train unit form Because of the fixation an advantageous linear and weak point force transmission effect chain from.

In addition, it is proposed that the machine tool comprises at least one drive train unit, wherein the machine tool housing has at least one housing element arranged on the first housing shell element and / or on the second housing element and / or can be arranged, in particular a locking lug or a bearing bridge, which at least at least partially within the first housing shell element and / or the second housing shell element and to a connection of the first housing shell element with the second housing shell element is seen before for attachment of the at least substantially complete drive strangeunit. Preferably, the drive train unit corresponds to the previously described drive train unit. Preferably, the Werkzeugmaschi nengehäuse has a single receiving element. Alternatively, it is conceivable that the machine tool housing has a plurality of receiving elements. A receiving element arranged on the first housing shell element and / or on the second housing shell element is in particular materially connected to the first housing shell element and / or to the second housing shell element, preferably to the first housing shell element or to the second housing shell element, in particular integrally with the first housing shell element and / or with the second Gehäusescha lenelement, preferably with the first housing shell element or with the second housing shell element formed. An element which can be arranged on the first housing shell element and / or on the second housing shell element is in particular non-positive and / or form-fitting, for example by a screw connection, a latching or the like, connected to the first housing shell element and / or the second housing shell element and / or or connectable. A within the machine tool housing, in particular special within the first housing shell member and / or the second housing shell element, arranged object is in an assembled state of the machine tool preferably from the outside, in particular by at least substantially opaque machine tool housing, not visible. In particular, a within the machine tool housing, in particular within the first housing shell element and / or the second th housing shell element, arranged object by the first housing shell element and / or at least partially enclosed by the second housing shell element. In particular, an inside of the machine tool housing, in particular within the first housing shell element and / or the second housing shell element, arranged object by the first housing shell element and / or the second housing shell element spatially from an environment of the machine tool, for example a hand of a user who engages the machine tool, separated.

The receiving element is preferably designed as a locking tab, as a bearing bridge or as another receiving element which appears expedient to a person skilled in the art. A trained as a locking tab receiving element is preferably provided for attachment of the Antriebsstrangein unit, wherein at least substantially all components of the drive train to the unit are connected. In particular, the Verriege is lungslasche to a non-positive and / or positive connection, in particular a latch, provided with at least one, preferably a single, component of the Antriebstrangeinheit over which at least substantially sämtli che components of the drive train unit are fixed together. The locking tab is preferably formed at least partially elastic. In particular, the locking tab has at least one, preferably two, locking tabs extension, which is provided for fixing the at least substantially complete drive train unit. In particular, the Antriebsstrangein unit has at least one coupling element, which is provided for connection to the receiving element, in particular with the locking tab extension. Preferably, at least one locking recess is arranged on the locking tab extension. Preferably, the coupling element of the drive strangeunit is designed as a latching element, which is provided in particular to a Verras device with the locking tab extension, in particular with the Rastausneh determination. Alternatively or additionally, it is conceivable that the Kopp ment element as a latching recess, in particular to a latching with the receiving element, as a screw or a thread, in particular to a screw with the receiving element, as a plug-in element or a plug-in receptacle, in particular to a plug connection with the Aufnahmeele element, as a clamping element or a clamping recess, in particular to a clamping connection with the receiving element, or as another, a professional appears to be useful coupling element is formed. The coupling element is preferably arranged on at least one component of the drive strangeinheit. Preferably, the coupling element is arranged at least on a gear cover of the drive train unit. The gear cover is preferably provided for fixing the engine to the transmission. Preferably, the coupling element, in particular designed as a latching element coupling element, at least partially ramp-like, in particular special to a spreading of the locking tab extension is formed. Preferably, the transmission cover comprises two coupling elements, wherein each case one of the coupling elements to a latching, each with a Ver riegelungslaschenfortsatz, in particular with a respective recess, seen in front of.

A trained as a bearing bracket receiving element is preferably provided for attachment of the drive train unit, wherein at least a majority of the components of the drive train unit are present separately. In particular, the individual components of the drive train unit are each a single, in particular non-positive and / or positive, with the bearing bridge connecting bar. Preferably, the bearing bridge has a plurality of Befestigungsaus recesses, slots o. The like. On, and / or by means of which the components of the drive train unit can be arranged. In particular, it is conceivable that the construction parts of the drive train unit via the bearing bridge mechanically and / or electrically connected to each other.

The receiving element is preferably provided for a, in particular non-positive and / or positive, connection of the first housing shell element with the second housing shell element. In particular, the first Ge housing shell element and the second housing shell element on the receiving element to each other are fixed. The receiving element may in particular cohesively connected to the first housing shell element, in particular integrally formed with the first housing shell element, and the two te housing shell element may force and / or form-fitting with the Aufnah meelement connected and in particular be fixed ment to the first Gehäuseschalenele. Preferably, the receiving element separately from the be formed from the first housing shell element and the second housing shell element and the first housing shell element and the second housing shell element can positively and / or positively connected to the receiving element and in particular fixed to each other, for example by means of the connecting element. It may be an advantageous simple arrangement of the drive strangeunit at least partially within the first housing shell member and / or the second housing shell member at a same time formed at least substantially free of visible fasteners Ver connection of the first housing shell element and the second Gehäusescha lenelements achieved together.

Furthermore, it is proposed that the machine tool housing, in particular for the formation of an at least substantially linear force tragungswirkkette, at least one fixing element, in particular a screw, to a connection of the first housing shell member or the second Gehäu seschalenelements with the receiving element and / or the Antriebsstrangein unit comprising, wherein the fixing element comprises a drive unit to a drive axis of the drive unit at least substantially aligned parallel main direction Strecker direction. The fixing element is preferably formed as a screw. Alternatively, it is conceivable that the fixing element is designed as a connecting pin, as a connecting bolt or as another, one skilled in the sense appearing useful Fixiereiement. A "main direction of extension" of an object is to be understood in particular a direction, wel che parallel to a longest edge of a smallest geometric cuboid runs ver, which just completely encloses the object. Preferably, the fixing element is arranged on a tool receiving area of the first housing shell element or of the second housing shell element, on which a tool holder and / or an insertion tool can be arranged. Preferably, the fixing element fixes the first housing shell element or the second housing shell element along the drive axle to the receiving element and / or to the drive train unit, in particular to a gear housing of the drive train unit. Preferably, the machine tool housing comprises a plurality of fixing elements, in particular three Fixie relemente, which leads to a connection of the first housing shell element or the second housing shell element with the receiving element and / or Drive train unit are provided and having at least substantially paral lel aligned to the drive axis main directions of extension. By means of the fixing element, in particular an at least substantially li neare power transmission active chain can be formed, wherein a force is transmitted from a user at least substantially linearly over the first housing shell element, the drive train unit and the second housing shell element to the insert tool or a workpiece. Advantageously, a robust and efficiently operated machine tool can be provided.

It is also proposed that the machine tool comprises at least one drive train unit, wherein the machine tool device has at least one, in particular tool-free, attachable to the Antriebsstrangeinheit tool holder at least to cover at least one Fixierele element of the machine tool housing. The drive train unit preferably corresponds to the previously described drive train unit. The tool holder is preferably provided for receiving the tool. The tool holder can in particular as a work tool chuck, in particular as a chuck, as a grinding plate holder, as a saw blade holder or as another, a skilled person as meaning he seems to be formed tool holder. The tool holder is preferably arranged on the tool receiving portion of the first housing shell element or the second housing shell element and in particular attached to the drive train unit. In particular, the tool holder can be attached to the drive shaft or the output shaft of the drive train unit. Preferably, the drive shaft or the output shaft has a thread, by means of which the tool holder is screwed onto the drive shaft or the output shaft. Preferably, the drive train unit drives the tool holder and via the tool holder the insert tool.

In particular, the tool holder conceals at least one fixing element, preferably all arranged on the tool receiving portion of the first housing shell element or the second housing shell element Fixie relemente. Preferably, the tool holder covers the fixing element, which leads to a connection of the first housing shell element or of the second Housing shell element is provided with the receiving element and / or the drive odd unit and having a unit to the drive axle of the drive unit at least substantially aligned parallel main direction. In particular, the tool holder conceals at least one, preferably two, arranged on the tool receiving area Be ventilation opening of the first housing shell element or the second hous seschalenelements. Preferably, the ventilation opening is provided for an air supply to the drive train unit, in particular to the engine. Before preferably the tool holder is provided to suck in by a rotation of the tool holder, in particular at least substantially dust-free, air and to generate an air flow in the ventilation opening. Advantageously, an at least substantially free of visible Befestigungsele instruments trained machine tool can be provided, wherein the work tool receptacle has an additional function for concealing Befestigungsele instruments. It can be advantageous to dispense with at least largely separate cover elements and a cost-effective and compactly formed machine tool can be provided.

Furthermore, it is proposed that the machine tool comprises at least one Ak kueinheit to a power supply of the drive train unit, wherein the battery unit has at least one locking hook element to a locking with the clamping element. The battery unit preferably corresponds to the previously described battery unit. The battery unit is preferably provided for a power supply of the drive train unit. Preferably, the battery unit is provided to a power supply of an electronics unit of the machine tool. An "electronic device" is to be understood as meaning in particular a unit having at least one control electronics. By "control electronics" is meant in particular a unit with a processor unit and with a memory unit and with an operating program stored in the memory unit. The electronics unit can in particular be designed as a printed circuit board, in particular with a microprocessor, an integrated circuit or the like, or at least one printed circuit board, in particular with a microprocessor, an integrated circuit or the like. Preferably, the electronics unit is for controlling and / or regulating the drive train unit, in particular the motor of the drive train unit. seen. In particular, the machine tool comprises at least one Akkumu latorkontaktelement to an electrical connection of the battery unit with the drive train unit and / or the electronic unit. The locking hook element is preferably formed at least partially elastic. Preferably, the locking hook element has at least one Verriegelungshakenfort set to engage in the locking recess of the clamping element. Alternatively or additionally, it is conceivable that the locking hook element is provided for locking with a mounting recess of the first Gehäusescha lenelements and / or the second housing shell member.

The locking hook element is preferably arranged on a battery cell and / or on a cover cap of the battery unit. The battery unit preferably has two locking hook elements, in particular arranged on two sides of the battery cell facing away from each other. Advantageously, a space-saving and resistant, in particular secure, locking of the battery unit can be made possible on the handle.

In addition, the invention is based on a method for mounting a machine tool, in particular a machine tool according to the invention.

It is proposed that in at least one method step, the first housing shell element and the second housing shell element are fixed to one another via at least one drive train unit along a drive axle of the drive train unit. Preferably, the first Gehäuseschalenele element and / or the second housing shell element on the receiving element, in particular the locking tab, and / or on the fixing element, in particular special fixing element having a geinheit to the drive axle of the Antriebsstran at least substantially aligned parallel main direction, at the drive train unit and the drive train unit in particular fixed to each other. Advantageously, the first housing shell element and the second housing shell element along the drive axis be seeks at least substantially consecutively fixed to each other, in particular to form an advantageous linear and weak point Kraftübertragungswirkkette with the drive train unit. Furthermore, it is proposed that in at least one method step, the first housing shell element and the second housing shell element ent at least one contact line at least substantially free of visible fasteners connected to each other, in particular fixed to each other. The first housing shell element and the second housing shell element are in particular by means of at least the majority of the inner sides of the first housing shell element and / or the second housing shell elements arranged fixing elements, in particular the Verbindungsele element, the snap hook element and / or the clamping element connected to each other. Possibly visible fixing elements are by means of other components of the machine tool or the machine tool housing, in particular by means of the marking element, by means of the tool holder and / or by means of a trigger switch of the machine tool housing, ver covers. Advantageously, the first housing shell element and the second Ge housing shell element can be particularly easily connected to each other.

It is further proposed that in at least one method step, the at least substantially complete drive train unit at least partially within the first housing shell member and / or the second housing shell member on at least one arranged on the first housing shell member and / or on the second housing shell member and / or arrangeable receiving element, in particular a locking tab or a bearing bridge, is fastened, wherein by means of the receiving element, the first housing shell element is connected to the second housing shell element. Preferably, the at least substantially complete drive train unit is preassembled, in particular at least the motor coupled by means of a gear cover with the transmission in a further, in particular upstream, Ver procedural step. Preferably, in an additional, insbesonde re upstream, step a separately from the first Gehäusescha lenelement and / or the second housing shell member present on receiving element, in particular at least partially within, the first Ge housing shell element and / or the second housing shell element fastened taken, in particular with the first housing shell element and / or the two-th housing shell element are screwed. Preferably, the pre-assembled drive train unit is at least partially in the receiving element, in particular, the locking tab, inserted, which is spread by the at least partially ramp-like design of the coupling element of the Ver locking tab extension and the latching recess is locked to the coupling element.

Alternatively, it is conceivable that at least substantially all components of the drive train unit are fastened individually, in particular non-positively and / or positively, to the receiving element, in particular to the bearing bridge. In particular, the receiving element may be arranged at least partially within the first housing shell element and / or the second housing shell element or may be present separately from the first housing shell element and the second housing shell element. In particular, the components of the drive train unit can at least partially within the first housing shell member and / or the second housing shell member are attached to the receiving element on. Alternatively, it is conceivable that the components of the drive train unit be fastened to a present separately from the first housing shell element and the second housing shell element receiving element and the first housing shell element and / or the second Ge housing shell element in a subsequent process step to attach the at least substantially complete drive train unit at least in part, within the first housing shell element and / or the second Ge housing shell element on the receiving element, in particular to the at least substantially complete Antriebstrangeinheit around, attached who / will. Advantageously, the drive train unit can be arranged at least partially within the first housing shell element and / or the second housing shell element while at the same time the first housing shell element and the second housing shell element can be connected to each other at least in Wesentli free of visible fasteners.

It is further proposed that in at least one method step, the first housing shell element by means of at least one shell element on the first housing and / or arrange on the second housing shell element th connection element with the second housing shell element at least to a fixation of the first housing shell element and the second housing. Seschalenelements on at least one other component, in particular a bearing bridge, positively and / or non-positively connected. Preferably, the connecting element is brought into positive and / or non-positive connection of the first housing shell element with the second housing shell element with the mating connecting element. Preferably, the connecting element is positively and / or non-positively connected to the other component, in particular with the receiving element designed as a bearing bridge, the verbun. Alternatively, it is conceivable that the first housing shell element by means of the connecting element on the further component such form and / or kraftschlüs sig is connected to the second housing shell element that the first housing shell element and the second housing shell element are fixed by a clamping connection to the other component. Advantageously, a positive and / or non-positive connection of the first housing shell element with the second housing shell element can be achieved free of visible Befestigungsele elements.

In addition, it is proposed that in at least one method step, the first housing shell element is connected to the second housing shell element by means of at least one snap hook element arranged on the first housing shell element and / or on the second housing shell element. Preferably, the latching extension of the snap hook element is brought into engagement with the genschnapphakenelement Ge. Preferably, the first Ge housing shell element with the second housing shell element by means of the snap hook element is positively and / or positively connected. Advantageously, another way to one of visible fasteners at least substantially free connection of the first Gehäuseschalenele element and the second housing shell element provided to each other who the.

Furthermore, it is proposed that in at least one method step, the first housing shell element is connected by means of at least one clamping element which is at least partially disposed within at least one wall recess of the first housing shell element and / or the second housing shell element, at least on the handle with the second housing shell element. In particular, the clamping element, in particular the clamping extension of the clamping element, at least partially inserted into the wall recess. Alternatively, it is conceivable that the clamping element is arranged to a clamping connection of the first housing shell element with the second housing shell element on the fastening ribs or at least partially in the clamping recess. In a further method step, the rechargeable battery unit is preferably arranged at least partially within the first housing shell element and / or the second housing shell element on the handle and locked by means of the locking hook element with the clamping element, in particular with the locking recess of the clamping element. Advantageously, an additional possibility for one of visible fasteners at least substantially free connection of the first housing shell member and the second housing shell member are provided together.

It is also proposed that in at least one method step, the first housing shell element and / or the second housing shell element by means of at least one extension of at least one, in particular separately formed to the Ers th housing shell element and / or the second housing shell element, identification element is fixed / is. Preferably, who / the first housing shell element and / or the second Gehäusescha lenelement by means of the marking element to each other and / or at least one further component, for example, the receiving element or a diaphragm, fixed. Preferably, the extensions of the marking element with a groove of the first housing shell element, a groove of the second Ge housing shell element and / or a groove of the other component in engagement ge introduced. Alternatively or additionally, it is conceivable that the first housing shell element and / or the second housing shell element are magnetically fixed by means of the marking voltage element and / or that by means of the marking voltage element fixing elements, such as screws, connecting pins o. The like. Are covered ver. Advantageously, alternatively or additionally by means of the marking element element visible fasteners can be replaced.

Furthermore, it is proposed that in at least one method step, the first housing shell element or the second housing shell element by means of at least one fixing element, in particular a screw, with at least a receiving element and / or the drive train unit, in particular to a formation of an at least substantially linear Kraftübertragungswirk chain, is connected, wherein the fixing element has a direction of a drive axis of the drive train unit at least substantially aligned principal extension direction. Preferably, the fixing element is arranged on the tool receiving area of the housing shell element or of the second housing shell element Ge. In particular, the first Gehäusescha lenelement or the second housing shell element by means of a plurality of fixing elements, preferably with three fixing elements, connected to the receiving element and / or the drive train unit. Advantageously, a robust and efficiently operated machine tool can be mounted.

In addition, it is proposed that in at least one method step at least one tool holder of the machine tool housing is fastened to the drive train unit at least to conceal at least one fixing element, in particular without tools. The tool holder is preferably arranged on the tool receiving area and in particular attached to the drive train unit. Preferably, the tool holder is attached to the drive shaft or the output shaft, in particular screwed by means of the thread on the drive shaft or the output shaft. In particular, by means of the tool holder at least one fixing element, preferably all arranged on the tool receiving area fixing elements, ver covers. In particular, by means of the tool holder at least one, before given to two, arranged on the tool receiving area ventilation opening covered. Advantageously, a plurality of advantageous functions can be covered in a single procedural step by arranging the tool holder on the drive train unit.

The machine tool housing according to the invention, the machine tool according to the invention and / or the method according to the invention should / should not be limited to the application and embodiment described above. In particular, the machine tool housing according to the invention, the machine tool according to the invention and / or the method according to the invention can be used to fulfill a function described hereinbefore one of a number of individual elements referred to herein. divide and have units and process steps deviating number. In addition, in the value ranges indicated in this disclosure, values lying within the stated limits are also to be disclosed as disclosed and used as desired.

drawings

Further advantages emerge from the following description of the drawing. In the drawings, three embodiments of the invention are shown. The drawings, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.

Show it:

1 is a side view of a Werkzeugmaschi invention ne,

2 is an exploded view of the Werkzeugma machine according to the invention in a perspective view,

3 shows a part of the machine tool according to the invention in a perspective view,

4 is an exploded view of a tool according to the invention machine housing of Werkzeugma machine according to the invention in a perspective view,

5 is a perspective view of another exploded view of the machine tool according to the invention, FIG. 6 is a front view of a part of the machine tool according to the invention in a perspective view,

7 is a plan view of the machine tool according to the invention in a perspective view,

8 a battery unit connected to an accumulator contact element of the machine tool according to the invention of the invention to the machine tool according to the invention in a perspective view,

9 shows the machine tool according to the invention in a further perspective view,

Fig. 10 is a sectional view of a handle of the invention

Machine tool housing in a perspective Dar position,

11 is a clamping element of the invention Werkzeugmaschi nengehäuses in a perspective view, Fig. 12 shows a first alternative of the handle of the invention

Machine tool housing in a perspective Dar position,

Fig. 13 shows a second alternative of the handle of the invention

Machine tool housing in a perspective Dar position,

Fig. 14 is an additional exploded view of the invention

Machine tool housing in a perspective Dar position,

16 shows a sectional view of a part of the machine tool according to the invention in a perspective illustration, FIG. 17 shows a side view of a first alternative inventive machine tool,

18 is an exploded view of a first alternative erfindungsge MAESSEN machine tool housing of the first alternative machine tool according to the invention of Figure 17 in a perspective view,

Fig. 19 is a side view of the first alternative inventive

Machine tool housing in an exploded view,

FIG. 20 shows a receiving element of the first alternative inventive machine tool housing from FIG. 19 in a perspective view, FIG. 21 is a plan view of the first alternative machine tool according to the invention from FIG. 17 in a schematic sectional view,

Fig. 22 is a side view of the first alternative invention

Machine tool of Figure 17 in a schematic sectional view,

23 is a side view of a second alternative inventive Shen machine tool,

FIG. 24 is a perspective view of the second alternative machine tool according to the invention from FIG. 23;

Fig. 25 is a side view of the second alternative invention

Machine tool from FIG. 23 in a schematic sectional representation,

Fig. 26 is an exhaust unit of the second alternative invention

Machine tool from Figure 23 in a perspective Dar position,

Fig. 27 is a plan view of the second alternative invention

Machine tool from Figure 23 in a schematic Dar position and

Fig. 28, the second alternative machine tool according to the invention of Figure 23 in a further perspective view.

Description of the embodiments

FIG. 1 shows a side view of a machine tool 36a. The tool machine 36 a is designed as a hand tool. The tool machine 36 a is formed as a wireless electric hand tool. The machine tool 36a is designed as an electric screwdriver, in particular as a rechargeable battery. The machine tool 36 a comprises a machine tool housing 10 a. The machine tool 36a and the Werkzeugmaschi nengehäuse 10a are shown in an assembled state. The tool machine housing 10 a has a first housing shell element 12 a and a second housing shell element 14 a. The first housing shell element 12a and the second housing shell element 14a are along a contact line 20 a between the first housing shell element 12 a and the second Ge housing shell element 14 a at least substantially free of, in particular from the outside, visible fasteners connected to each other. The first housing shell element 12a and the second housing shell element 14a are fixed to one another along a contact line 20a between the first housing shell element 12a and the second housing shell element 14a at least substantially free of visible fastening elements. The first housing salen element 12a and the second housing shell element 14a are completely free along the contact line 20a, in particular from the outside, visible fastening elements connected to each other, in particular fixed to each other. The contact line 20a corresponds at least substantially to a profile of a housing edge 80a of the first housing shell element 12a or a housing edge 82a of the second housing shell element 14a (compare FIG. The first housing shell element 12a and the second housing shell element 14a are designed as housing shells. The first housing shell element 12a and the second housing shell element 14a have a three-dimensional Formge environment. The first housing shell element 12a and the second Gehäusescha lenelement 14a are formed of a plastic. Alternatively, it is conceivable that the first housing shell element 12a and / or the second Gehäusescha lenelement 14a made of a metal, made of a composite material, in particular fiber composite material, or from another, a person skilled in the meaning appearing material is / is. In particular, it is conceivable that the second housing shell element 14a is formed from a material which is different from a material of the first housing shell element 12a. At least the first housing shell element 12a and the second housing shell element 14a form, in particular in a mutually fixed state, together a housing of an electric screwdriver. The first housing shell element 12a and the second housing shell element 14a lie in a mounted state of the machine tool housing 10a along the housing edge 80a of the first housing shell element 12a and along the housing edge 82a of the two th housing shell element 14a in exact form, in particular jigsaw-like, to each other. The first housing shell element 12a and the second housing shell element 14a lie against a contact surface 16a of the first Gehäusescha lenelements 12a and a contact surface 18a of the second Gehäuseschalenele element 14a to each other (see Figure 14). The first housing shell element 12a and the second housing shell element 14a form, at least in sections, a handle 22a. The first housing shell element 12a and the second housing shell element 14a form, at least in sections, a pistol grip. The handle 22a is formed as a pistol grip. The handle 22a is a housing portion where a user grips the machine tool 36a for use and / or operation of the machine tool 36a. Within the first housing shell element 12a and the second housing shell element 14a, a battery unit 62a of the machine tool 36a is detachably arranged on the handle 22a. Only one cover cap 86a of the battery unit 62a can be seen in FIG. The cover cap 86a terminates flush with the first Gehäuseschalenele element 12a and with the second housing shell member 14a on the handle 22a. The machine tool housing 10a has a tool holder 76a for receiving an insert tool 88a of the machine tool 36a. The insert tool 88a is interchangeably arranged in the tool holder 76a. The tool holder 76a is formed as a tool chuck. The insert tool 88a is formed in FIG. 1 by way of example as a screwdriver bit.

FIG. 2 shows an exploded view of the machine tool 36a in a perspective view. The machine tool 36a includes a drive strange unit 34a. The first housing shell element 12a and the second housing shell element 14a are fixed to one another via the drive strand unit 34a along a drive axis 68a of the drive strand unit 34a. The drive strange unit 34a is provided to drive the insertion tool 88a.

The drive train unit 34a is provided for driving the tool holder 76a, on which the insert tool 88a is arranged. The powertrain unit 34a includes a motor 90a. The motor 90a is formed as an electric motor. The drive train unit 34a includes a transmission 92a. The drive train unit 34a includes an output shaft 94a (see Fig. 3). At the drive shaft 68a of the drive train unit 34a extends at least essenli chen parallel, in particular coaxially, to a longitudinal axis of the output shaft 94a. The drive train unit 34a is provided for a rotary drive of the feed tool 88a about the drive axle 68a. The user practices at a use of the machine tool 36a a force along the drive shaft 68a on the machine tool 36a, in particular on the insert tool 88a of the machine tool 36a, from. The drive train unit 34a is provided for fixing the first housing shell element 12a and the second housing shell element 14a to one another along the drive axis 68a. The first housing shell element 12a and the second housing shell element 14a are viewed along the drive axis 68a at least substantially one behind the other, in particular on the drive train unit 34a, arranged. At least one first dividing plane 38a of the machine tool housing 10a extends at least in sections, in particular on the handle 22a, transversely to the drive axis 68a (see FIG. The first housing shell element 12a and the second Ge housing shell element 14a are fixed along the drive axle 68a by means of Fixierele elements 72a of the machine tool housing 10a and by means of a receiving element 70a to the Antriebsstrangeinheit 34a and the Antriebsstrangein unit 34a to each other. Preferably, the fixing elements 72a form at least a part of, in particular from the outside, not visible Befestigungsele elements, by means of which at least the first housing shell member 12a and the second housing shell member 14a connected to each other, in particular anei nander fixed are.

The machine tool housing 10a has the fixing elements 72a for forming an at least substantially linear force transmission active chain. The machine tool housing 10a has three fixing elements 72a.

The fixing elements 72a are designed as screws. Alternatively, it is conceivable that the fixing elements 72a are designed as connecting pins, as connecting pins or the like. The fixing elements 72a are provided for connecting the second housing shell element 14a to the receiving element 70a and / or to the drive train unit 34a. The second housing shell element 14a is fixed to the drive strand unit 34a by means of the fixing elements 72a. The two te housing shell element 14a is by means of the fixing elements 72a on the Ge gear 92a, in particular to a transmission housing of the transmission 92a, fixed. The fixing elements 72a have a to the drive axle 68a of the Antriebsstran geinheit 34a at least substantially parallel aligned Hauptterstre ckungsrichtung 74a. The fixing elements 72a are arranged on a tool receiving area 96a of the second housing shell element 14a the tool holder 76a can be arranged. The fixing members 72a fix the second housing shell member 14a along the drive shaft 68a to the drive string unit 34a. By means of the fixing elements 72a, an at least substantially linear force transmission effect chain can be formed, wherein a force from a user at least substantially linear over the first Ge housing shell element 12a, the Antriebsstrangereinheit 34a and the second hous seschalenelement 14a to the insert tool 88a and a workpiece transmis conditions becomes. The tool holder 76a is tool-less at the Antriebsstrangein unit 34a fastened. However, it is also conceivable that the tool holder 76a by means of an insert of a fastening tool on the Antriebsstran geinheit 34a can be fastened. The tool holder 76a is provided to cover the fixing elements 72a of the machine tool housing 10a. The tool holder 76a is fixed to the output shaft 94a.

The first housing shell element 12a is fixed to the drive strand unit 34a by means of the receiving element 70a. The receiving element 70a is arranged on the first housing shell element 12a. The receiving element 70a is at least partially disposed within the first housing shell element 12a is. The receiving element 70a is formed as a locking tab. The receiving element 70a is at least partially within the first housing shell element 12a and / or the second housing shell element 14a and to a connection of the first housing shell element 12a provided with the second housing shell element 14a for attachment of the at least Wesentli chen complete Antriebsstrangereinheit 34a. The Werkzeugma machine housing 10a has a single receiving element 70a. Alternatively, it is conceivable that the machine tool housing 10a has a plurality of receiving elements 70a. The receiving element 70a is formed integrally with the first housing shell element 12a. Alternatively, it is conceivable that the receiving element 70a non-positively and / or positively, in particular by a screw connection, is connected to the first housing shell element 12a. The trained as a locking tab receiving element 70a is provided to egg ner attachment of the drive train unit 34a, wherein at least substantially all components of the drive train unit 34a are ver together a related party. The receiving element 70a is a force and / or formschlüs-type connection with at least one, preferably a single component of Drive train unit 34a provided over which at least substantially all components of the drive train unit 34a are fixed to each other. The receiving element 70a is provided for latching with the component of the drive train unit 34a via which at least substantially all components of the drive train unit 34a are fixed to one another. The receiving element 70a is at least partially elastic. The receiving element 70a has two locking tab extensions 98a. The two Verriegelungslaschenfort sets 98a are arranged symmetrically to each other. The locking tab extensions 98 a are provided for fixing the at least substantially complete drive train unit 34 a. At the locking tab extensions 98a each have a latching recess 100a is arranged. The drive train unit 34a has two coupling elements 102a. The coupling elements 102a are designed as latching elements. The coupling elements 102a are to a Ver latching with the locking tab extensions 98a, in particular with the Ras tausnehmungen 100a, provided. Alternatively or additionally, it is conceivable that the coupling elements 102a as recesses, in particular to a catch with the receiving element 70a, as screws or threads, in particular special to a screw with the receiving element 70a, as Steckele elements or plug-in receptacles, in particular to a plug connection with the receiving element 70a, as clamping elements or clamping recesses, in particular special to a clamping connection with the receiving element 70a, or as other, a person skilled in the useful appearing coupling elements 102a are formed. The coupling elements 102a are arranged on at least one component of the drive train unit 34a. The coupling elements 102a are arranged on a gear cover 104a of the drive train unit 34a. The Kopp distribution elements 102 a are arranged symmetrically to each other on two outer sides of the gear cover 104 a facing away from each other. The Kopplungsele elements 102 a are integrally formed with the gear cover 104 a. The gear cover 104a is seen to fix the motor 90a on the gear 92a. The coupling elements 102a are formed at least partially ramp-like. The coupling elements 102a are formed to a spreading of the locking tab extensions 98a at least partially ramp-like. In each case one of the coupling elements 102a is provided for latching with in each case one locking tab extension 98a, in particular each having a latching recess 100a. The receiving element 70a is to a, in particular non-positive and / or positive, connection of the first housing shell member 12 a provided with the second housing shell member 14 a. The first housing shell element 12a and the second housing shell element 14a are fixed to one another via the receiving element 70a. The Aufnahmeele element 70a is integrally formed with the first housing shell member 12a and the second housing shell member 14a is connected via the fixing elements 72a and the drive train unit 34a non-positively and / or positively connected to the receiving element 70a and fixed to the first housing shell member 12a.

The machine tool 36a has an electronic unit 106a. The electronic unit 106a is formed as a circuit board having a microprocessor, an integrating circuit, or the like. The electronics unit 106a is provided for controlling and / or regulating the drive train unit 34a, in particular the motor 90a of the drive train unit 34a. The electronic unit 106a is arranged on a carrier unit 108a of the machine tool 36a. The carrier unit 108a is provided for receiving the electronic unit 106a and a switch unit 110a of the machine tool 36a. The first housing salen element 12a has mounting projections 112a. The mounting extensions 112a are provided for arranging the carrier unit 108a with the electronic unit 106a arranged on the carrier unit 108a and the switch unit 110a on the first housing shell element 12a, in particular at least partially within the first housing shell element 12a. The first housing shell element 12a has a fastening receptacle 114a. Be the fastening receptacle 114a is provided to a fixation of the support unit 108a, in particular special arranged on the support unit 108a switch unit 110a, on the first housing shell element 12a. The Befestigungsaufnah me 114a is provided for fixing the second housing shell member 14a on the first housing shell member 12a. The Befestigungsaufnah me 114a is tubular. In the fastening receptacle 114a, a further fixing element 116a of the machine tool housing 10a can be introduced. The further fixing element 116a is designed as a screw. The further fixing element 116a fixes the second housing shell element 14a and the switch unit 110a with the carrier unit 108a and the electronics unit 106a along the drive axis 68a on the fastening receptacle 114a, in particular on the first housing shell element 12a. The further fixing element 116a is concealed in a mounted state of the machine tool 36a by a Actuate supply switch 84a of the machine tool 36a. The operating scarf ter 84 a is arranged in an assembled state of the machine tool 36 a to the switch unit 110 a. The machine tool 36a comprises an accumulator contact element 118a. The accumulator contact element 118a is provided for implementation of an electrical connection of the battery unit 62a to the drive train unit 34a and to the electronic unit 106a. The Ak kumulatorkontaktelement 118 a is in an assembled state of the machine tool 36 a arranged on the first housing shell member 12 a, in particular inner half of the first housing shell member 12 a.

FIG. 3 shows a part of the machine tool 36a in a perspective view. Shown is the first housing shell element 12a. On the first housing shell element 12a, the drive train unit 34a, the carrier unit 108a with the electronics unit 106a and the switch unit 110a and the accumulator contact element 118a are arranged. The coupling elements 102a of the drive train unit 34a are latched to the locking tab extensions 98a, in particular to the latching recesses 100a. The output shaft 94a is disposed on the transmission 92a. The output shaft 94a has a thread 120a. By means of the thread 120 a is the tool holder 76 a on the drive shaft 94 a screwed. The machine tool 36a comprises a Actuate transmission element 122a. The actuator 122a is provided for selection of rotational direction modes and / or speed modes of the drive train unit 34a. The actuator 122a is formed as a rotary ring. The actuator 122a is disposed annularly around the gear 92a. The actuating element 122a is movable on a spring 124a of the machine tool 36a, in particular rotatable about the drive axis 68a, mounted on the gear 92a. The machine tool 36 a has a displacement advertising element 126 a. The displacement element 126 a is formed as a displacement ring. The displacement member 126a is annularly arranged around the transmission 92a. The displacement element 126a is movable on the spring 124a, in particular axially along the drive axis 68a, movable on the gear 92a. The actuator 122a is provided for displacing the displacement member 126a to operate the displacement member 126a. The displacement member 126a is at a displacement a shift wheel, not shown in detail, in particular ring gear, the gearbox bes 92a provided, which is to a circuit at least the speed modes of the drive train unit 34a, in particular the transmission 92a, vorgese hen.

Figure 4 shows an exploded view of the machine tool housing 10a in a perspective view. The contact line 20a at least substantially corresponds to a profile of the housing edge 80a of the first Gehäusescha lenelements 12a and a profile of the housing edge 82a of the second hous seschalenelements 14a. The housing edge 80a of the first housing shell element 12a has a course corresponding to a profile of the housing edge 82a of the second housing shell element 14a. The first housing shell element 12a and the second housing shell element 14a lie in an assembled state of the machine tool housing 10a along the housing edge 80a of the first housing shell element 12a and along the housing edge 82a of the second housing shell element 14a in exact shape, in particular jigsaw-like, to each other.

The handle 22a is formed at least substantially on a tool side 24a facing side 26a and / or opposite side 28a of the handle 22a at least substantially without separating edges. The handle 22a is formed on the tool side 24a facing side 26a and on the tool side 24a opposite side 28a of the handle 22a separating edge free. The tool side 24a facing side 26a of the handle 22a is formed by the two te housing shell member 14a. The tool side 24a abgewand te side 28 a of the handle 22 a is formed by the first housing shell member 12 a. The tool side 24 a of the machine tool housing 10 a is an outer side of the second housing shell element 14 a, which is provided in a mounted state of the machine tool housing 10 a to receive the tool receiving receptacle 76 a. For use of the Werkzeugmaschi nengehäuses 10 a and the machine tool 36 a is exercised by the user, in particular special on the handle 22 a, a force in the direction of the tool side 24 a, in particular transversely to a main extension plane of the tool side 24 a. The handle 22a has a separating edge 30a on a first outer side 128a, which is at least substantially perpendicular to that of the tool holder. page 24a facing side 26a of the handle 22a is aligned. The hand grip 22a has the separating edge 30a on a second outer side 130a, which is at least substantially perpendicular to the tool side 24a facing th side 26a of the handle 22a aligned. The first outer side 128a of the handle 22a faces away from the second outer side 130a of the handle 22a.

The separating edge 30a runs in a meandering manner at least in sections. The first housing shell element 12a and the second housing shell element 14a are connected to each other along the meandering separating edge 30a at least to a Bil tion of a housing portion 32a to a recording of the drive train unit 34a of the machine tool 36a. A profile of the separating edge 30a at least substantially corresponds to the contact line 20a. The first housing shell element 12a and the second housing shell element 14a are interconnected to form the handle 22a along the separation edge 30a. The separating edge 30a runs on the handle 22a at least in We sentlichen linear. The meandering course of the separating edge 30a is formed differently from a linear course of the separating edge 30a. The separating edge 30a extends at the housing portion 32a to a receiving the Antriebsstrangein unit 34a at least partially curved. The separating edge 30a extends at least once in an arcuate manner in the housing region 32a to receive the drive strand unit 34a. The separating edge 30a extends in the Gehäusebe rich 32a to a recording of the drive train unit 34a multiple bogenför mig. A first directly into an arcuate course of the separating edge 30a Mün dividend separating edge portion 132a of the separating edge 30a closes with a two ten directly to the arcuate course of the separating edge 30a connect the separating edge portion 134a of the separating edge 30a in particular an angle greater than 45 °, preferably an angle greater as 90 ° and more preferably an angle greater than 120 °. The first directly into the arcuate course of the separating edge 30a opening separating edge portion 132a closes with the second directly following the arcuate course of the separating edge 30a subsequent sequent separating edge portion 134a in particular an angle less than 180 °, preferably an angle less than 160 ° and more preferably an angle less than 140 °. The separating edge 30a extends at least substantially ent long a first outer side 136a of the machine tool housing 10a. The separating edge 30a extends along a second, the first outer side 136a of the Machine tool housing 10a opposite outer side 138a of the machine tool housing 10a at least substantially symmetrical to a course along the first outer side 136a of the machine tool housing 10a.

The machine tool housing 10a comprises an identification element 64a. The marking element 64a is formed separately from the first housing shell element 12a and from the second housing shell element 14a.

The marking element 64a is provided for marking the machine tool housing 10a or the machine tool 36a, in particular as belonging to a specific series of machine tools 36a. The marker 64a is formed as a static marker 64a. The identification element 64a is provided for a non-marking identification. The identification element 64a is formed at least substantially energy-free. The marking element 64a has a first surface structuring 140a. The first surface patterning 140a is formed as a silver coating of the indicia element 64a. The marking element 64a has a second surface structuring 142a. The second surface structuring 142a is formed as an embossment of the identification element 64a. The identification element 64a is formed at least substantially like a clasp. The identification element 64a is at least partially curved from formed. The identification element 64a is formed from a material different from the material of the first housing shell element 12a and the second housing shell element 14a. The identification element 64a is formed from a metal, in particular from a spring steel. The identification element 64a is arranged on an upper side 144a of the machine tool housing 10a. The machine tool housing 10a has two connecting pins 146a. The connecting pins 146a are provided to a connection of the second housing shell member 14a with a diaphragm 148a of the machine tool housing 10a and with the first housing shell member 12a. Alternatively, it is conceivable that the machine tool housing 10a is formed free of the connecting pins 146a and the first Gehäusescha lenelement 12a via other fasteners to the second housing shell member 50a is connected. The aperture 148a is on the top 144a of the machine tool housing 10a. The identification element 64a and the diaphragm 148a are provided to cover the connection pins 146a.

Figure 5 shows a further exploded view of the machine tool housing 10a in a perspective view. The separating edge 30a extends in at least two mutually angled dividing planes 38a, 40a, 42a, 44a, 46a between tween the first housing shell member 12a and the second Gehäusescha lenelement 14a. A parting plane 38a, 40a, 42a, 44a, 46a is in particular a plane between the first housing shell element 12a and the second housing shell element 14a, in which the separating edge 30a extends and which, in particular, is directed at least substantially perpendicular to a contacting direction, along the the first housing shell element 12a and the second housing shell element 14a abut one another, in particular are fixed to one another. The parting planes 38a, 40a, 42a, 44a, 46a are aligned at least substantially parallel to the contact surface 16a of the first housing shell element 12a or to the contact surface 18a of the second housing shell element 14a. The machine tool housing 10a has at least five parting planes 38a, 40a, 42a, 44a, 46a. A second parting plane 40a is angled to a first parting plane 40a. A third parting plane 42a is angled to the second parting plane 40a. A fourth parting plane 44a is angled to the third parting plane 42a. A fifth parting plane 46a is angled to the fourth parting plane 44a. All parting planes 38a, 40a, 42a, 44a, 46a are angled to each other. The separating edge 30a extends from a Akkuauf receiving opening 150a of the handle 22a on the first outer side 128a of the handle 22a starting to the Akkuaufnahmeöffnung 150a on the second outer side 130a of the handle 22a in the first parting plane 38a, then in the second parting plane 40a, then in the third parting plane 42a, then in the fourth parting plane 44a, then in the fifth parting plane 46a, then in the fourth parting plane 44a, then in the third parting plane 42a, then in the second parting plane 40a, and finally again in the first parting plane 38a. In particular, the second parting plane 40a to the first parting plane 38a in an angle Win greater than 45 °, preferably at an angle greater than 90 ° and particularly preferably be bent be an angle greater than 120 °. In particular, the second parting plane 40a to the first parting plane 38a is at an angle smaller than 180 °, preferably bent at an angle smaller than 160 ° and particularly preferably at an angle smaller than 140 °. Analogous to a bend of the second parting plane 40a to the first parting plane 38a, the third parting plane 42a is angled to the second parting plane 40a, the fourth parting plane 44a is inclined to the third parting plane 42a, and the fifth parting plane 46a is angled to the fourth parting plane 44a.

FIG. 6 shows a frontal view of a part of the machine tool 36a in a perspective view. It is the tool side 24a of Werkzeugma machine housing 10a shown. Shown is the tool receiving area 96a. The tool receiving portion 96a is formed in a substantially circular area. Through a center of the tool receiving portion 96 a ver, the output shaft 94 a runs. To the center of the fixing elements 72 a are arranged. In each case one of the fixing elements 72a is arranged at a corner of a ge thought equilateral triangle, through the center of which the output shaft 94a extends. At the tool receiving portion 96 a two ventilation openings 152 a of the second housing shell element 14 a angeord net. The ventilation openings 152a are provided for supplying air to the drive train unit 34a, in particular to the motor 90a. The vent openings 152a are formed as at least substantially rectangular recesses in the second housing shell element 14a. The ventilation openings 152a have rounded corners. The tool holder 76 a is provided in a arranged on the output shaft 94 a state to cover the Belüf device openings 152 a. The tool holder 76a is seen to pre-suck by a rotation of the tool holder 76a, in particular at least substantially dust-free, air and to generate a flow of air into the ventilation openings 152a. Within the second Gehäusescha lenelements 14 a of the air flow, in particular through a labyrinthine air flow guide, led to the drive train unit 34 a. The air flow is for cooling the drive train unit 34a, in particular of the motor 90a, seen before.

FIG. 7 shows a top view of the machine tool 36a in a perspective view. It is the top 144 a of the machine tool housing 10 a shown. The marking element 64a is from the first housing Tray element 12a from along the drive shaft 68a in the direction of the power tool receptacle 76a considered behind the actuator 122a arranged. The first housing shell element 12a has an air outlet opening 154a. The air outlet opening 154a of the first housing shell element 12a is arranged on the upper side 144a of the machine tool housing 10a, in particular of the first housing shell element 12a. The air outlet opening 154a of the first housing shell element 12a is ausgebil det as an at least substantially rectangular recess in the first housing shell element 12a. The air outlet opening 154a of the first housing shell element 12a has a main extension direction 156a, which is aligned at least substantially perpendicular to the drive axis 68a. The air outlet opening 154a of the first housing shell element 12a is viewed from the first Gehäuseschalenele element 12a along the drive axis 68a in the direction of Werkzeugaufnah me 76a in front of the actuator 122a. The Luftaus outlet opening 154a of the first housing shell member 12a is provided to allow the air flow to cool the drive train unit 34a from the Werkzeugma machine housing 10a escape. The machine tool 10a can have a fan, in particular arranged on the motor 90a. The fan may be provided to convey air from an interior of the machine tool housing 10a through the air outlet port 154a of the first shell member out of the machine tool housing 10a. The second housing shell element 14a has two, in particular designed as ventilation slots, air outlet openings 166a. In each case an air outlet opening 166a of the second housing shell element 14a is disposed on the first Au side 136a of the machine tool housing 10a and on the second Au ßenseite 138a of the machine tool housing 10a. Due to the perspective view in FIG. 7, only the air outlet opening 166a of the second housing shell element 14a arranged on the first outer side 136a of the machine tool housing 10a can be seen.

FIG. 8 shows the battery unit 62a of the machine tool 36a connected to the accumulator contact element 118a of the machine tool 36a in a perspective view. The battery unit 62 a is ausgebil det as a battery pack. Alternatively, it is conceivable that the battery unit 62a as a capacitor, as a connector for coupling to a power grid o. The like. Formed is. The battery unit 62a is provided for attachment to the handle 22a at least partially within the first housing shell member 12a and the second housing shell member 14a. The battery unit 62a is Ver to a locking with at least one clamping element 54a of the machine tool housing 10a provided on the handle 22a. The battery unit 62a has at least one locking hook element 78a to a lock with the clamping element 54a. The battery unit 62a has two locking hook elements 78a. Due to the perspective view, only one of the locking hook elements 78a is shown in FIG. The locking hook elements 78a are at least partially elastic. The locking hook elements 78a are arranged on two opposite sides of the battery unit 62a is. The locking hook elements 78a are between the cover cap 86a and a battery cell 158a of the battery unit 62a attached to the cover cap 86a.

Each of the locking hook elements 78a is respectively locked with a clamping element 54a. The machine tool housing 10a has two Klemmelemen te 54a. Due to the perspective view, only egg Nes of the clamping elements 54a is shown in Figure 8. The clamping elements 54a are provided at least on the handle 22a to a clamping connection of the first housing shell element 12a with the second housing shell element 14a. The clamping elements 54a are ausgebil det at least substantially horseshoe-shaped. Alternatively, it is conceivable that the clamping elements 54a at least in We sentlichen C-shaped, U-shaped, L-shaped, semi-annular o. The like. Are formed. The clamping elements 54a are formed separately from the first housing shell element 12a and the second housing shell element 14a. The Klemmele elements 54a are formed at least partially elastic. The clamping elements 54a have finger-like clamping extensions 160a. The clamping elements 54a are formed of a material different from a material of the first housing shell element 12a and the second housing shell element 14a. The clamping elements 54a are made of a metal, in particular a spring steel. The clamping elements 54a each have a Verriegelungsausneh tion 60a to a locking of the battery unit 62a on the handle 22a. The locking recess 60a is designed as an at least substantially rectangular recess in a locking projection 162a of the clamping element. ments 54a trained. The locking hook elements 78a are detachably formed latchably in the locking recesses 60a. The Verriegelungsha kenelemente 78 a each have a locking hook extension 164 a to egg nem engaged in the locking recesses 60 a of the clamping elements 54 a. The locking recesses 60a and the locking hook extensions 164a have mutually corresponding shapes. Alternatively or additionally, it is conceivable that the locking hook elements 78a to a Ver locking with a mounting recess of the first Gehäuseschalenele element 12a and / or the second housing shell element 14a are provided.

The rechargeable battery unit 62a is shown in a state connected to the rechargeable battery contact element 118a. The accumulator contact element 118a is connected to the end of the battery unit 62a facing away from the cover cap 86a with the battery unit 62a. The accumulator contact element 118a has contact extensions 168a. The accumulator contact element has four Kontaktfortsät ze 168 a. The contact extensions 168 a are provided for realizing an electrical connection with the electronic unit 106 a.

FIG. 9 shows the machine tool 36a in a further perspective view. The battery unit 62a is not shown for clarity.

The clamping element 54a is arranged on the handle 22a. The battery unit 62a is at least partially insertable into the handle 22a for locking with the clamping elements 54a through the battery receiving opening 150a.

Figure 10 shows a sectional view of the handle 22a of the machine tool housing 10a in a perspective view. Shown is a portion of the handle 22a in a portion of the battery receiving opening 150a. The Akkuein unit 62 a is in a locked with the clamping element 54 a state Darge presents. The battery cell 158a is not shown for clarity. The first housing shell element 12a has a clamping recess 170a. The second housing shell element 14a has a clamping recess 172a. In the clamping recess 170 a of the first housing shell member 12 a and in the clamping recess 172 a of the second housing shell member 14 a depending Weil a clamping extension 160 a of the clamping member 54 a to a fixation of first housing shell element 12a and the second housing shell element 14a introduced to each other. The clamping recess 170 a of the first housing shell member 12 a is formed as a partial recess in the first Gehäusescha lenelement 12 a. The clamping recess 172 a of the second housing salen element 14 a is formed as a partial recess in the second housing shell element 14 a. The clamping recesses 170a, 172a are formed corresponding to a shape of the clamping extensions 160a. The clamping recess 170a of the first housing shell element 12a is arranged on an inner side 174a of the first housing shell element 174a.

The clamping recess 172a of the second housing shell element 14a is arranged on an inner side 176a of the second housing shell element 14a. The first housing shell element 12a has a further clamping recess 170a for receiving a further one of the clamping elements 54a. The second housing shell element 14a has a further clamping recess 172a for receiving the further of the clamping elements 54a.

FIG. 11 shows the clamping element 54a in a perspective view. The clamping element 54a is locked to the battery unit 62a. For the sake of clarity, only the cover cap 86a and the locking hook element 78a are shown by the battery unit 62a. The locking hook extension 164a is locked to the locking recess 60a. The Verriegelungsha kenfortsatz 164 a is engaged with the locking recess 60 a. The locking hook extension 164a engages through the locking recess 60a.

FIG. 12 shows a first alternative of a handle 22a 'in a perspective view. On the handle 22a 'two alternative clamping elements 54a' are arranged. The clamping elements 54a 'are formed free of Verriegelungsausneh rules. The clamping elements 54a 'are each in a Wandungs recess 56a of a first housing shell member 12a' and a Wan tion recess 58a of a second housing shell member 14a 'angeord net. The Wandungsausnehmungen 56a, 58a have to the Klemmausnehmun gene 170a, 172a at least substantially analogous shapes. In the Wandungsausnehmungen 56 a, 58 a clamping extensions 160 a 'of Klemmele elements 54 a' can be inserted. The first housing shell element 12a 'has two walls training recesses 56a on. The second housing shell element 14a 'has two wall recesses 58a. The wall recesses 56a of the first housing shell element 12a 'are at least substantially closed except for insertion openings 178a of the first housing shell element 12a', through which the clamping extensions 160a 'are insertable. The Wan tion recesses 58 a of the second housing shell member 14 a 'are formed at least substantially closed except for insertion openings 180 a of the second housing shell member 14 a', through which the clamping extensions 160 a 'are insertable. The Wandungsausnehmungen 56a of the first housing seschalenelements 12a 'and the Wandungsausnehmungen 58a of the second housing shell member 14a' are formed as cavities in a wall of the first housing shell member 12a 'and the second housing shell member 14a'.

FIG. 13 shows a second alternative of a handle 22a "in a perspective view. On the handle 22a "an alternative clamping element 54a" is arranged. The clamping element 54a "is formed free from a Verriegelungsaus perception. The clamping element 54a "is formed like a clamp.

The clamping element 54a "is provided to hold a first Gehäuseschalenele element 12a" and a second housing shell element 14a "by a Klemmwir effect of the clamping element 54a" together. The clamping element 54a "has two clamping extensions 160a". The first housing shell element 12a "has a fastening rib 182a. The second housing shell element 14a "has a fastening rib 184a. The fastening rib 182a of the first housing shell element 12a "is arranged on an inner side 174a" of the first housing shell element 12a ". The fastening rib 184a of the second housing shell element 14a "is arranged on an inner side 176a" of the second housing shell element 14a ". The clamping element 54a "is designed to be pushed onto the fastening ribs 182a, 184a. The on the fastening supply ribs 182 a, 184 a deferred clamping element 54 a "exercises, in particular by means of the clamping extensions 160 a" at least Wesentli Chen perpendicular to the first parting plane 38 a on the fixing ribs 182 a, 184 a, through which the first housing shell element 12 a "and the second housing shell element 14a "are fixed together. Figure 14 shows an additional exploded view of the Werkzeugmaschinenge housing 10a in a perspective view. At least partially shown, the first housing shell element 12a and the second housing shell element 14a. In a mounted state of the machine tool housing 10 a, the first housing shell member 12 a and the second Gehäusescha lenelement 14 a on the contact surface 16 a of the first housing shell member 12 a and the contact surface 18 a of the second housing shell member 14 a anei each other. The contact surface 16a of the first housing shell element 12a or the contact surface 18a of the second housing shell element 14a is characterized by a maximum length of the housing edge 80a of the first housing shell element 12a or a maximum length of the housing edge 82a of the second housing shell element 14a and by a wall thickness 186a of the first housin seschalenelements 12a or clamped by a wall thickness 188a of the second Ge housing shell element 14a. The housing edge 80a of the first housing shell element 12a or housing edge 82a of the second housing shell element 14a delimits the first housing shell element 12a and the second housing shell element 14a in a direction that is at least substantially perpendicular to the housing edge 80a and the wall thickness 186a of the first housing shell element 12a or at least substantially perpendicular to the housing edge 82a and the wall thickness 188a of the second housing shell element 14a is aligned.

The machine tool housing 10a comprises at least one snap hook element 50a arranged on the first housing shell element 12a and / or on the second housing shell element 14a for a snap connection of the first housing shell element 12a to the second housing shell element 14a. The machine tool housing 10a comprises two seschalenelement 12a arranged on the first housings snap hook elements 50a. The work generating machine housing 10 a comprises two on the second Gehäuseschalenele element 14 a arranged with the snap hook elements 50 a corresponding Gegenschnapphakenelemente 190 a. The snap hook elements 50a are arranged on the inner side 174a of the first housing shell element 12a.

The Gegenschnapphakenelemente 190 a are arranged on the inner side 176 a of the second housing shell element 14 a. The snap hook elements 50a are materially connected to the first housing shell element 12a. alternative It is conceivable that the snap hook elements 50a are integrally connected to the first Ge housing shell element 12a. The snap hook elements 50a are formed at least partially elastic. The snap hook elements 50a each have Weil Weil a latching projection 192a. The latching projections 192 a can be brought into engagement with the counter snap hook elements 190 a. The Gegenschnapphakenele elements 190 a are formed as locking recesses in the second Gehäuseschalenele element 14 a. The snap connection between the first housing shell element 12 a and the second housing shell element 14 a is formed as a positive and / or non-positive connection. The Schnapphakenele elements 50 a are made of a material of the first Gehäuseschalenele element 12 a and the second housing shell member 14 a different Mate rial. The snap hook elements 50a are made of a metal, in particular special spring steel.

FIG. 15 shows the identification element 64a in a perspective view. The marking element 64a has at least one extension 66a for fixing the first housing shell element 12a and / or the second housing shell element 14a. The marking element 64a has two extensions 66a. The marking element 64a is for fixing the first housing shell element 12a and / or the second Gehäusescha lenelements 14a to each other and / or on at least one other component, at play the aperture 148a, provided. The extensions 66a are formed as at least sections angled portions of the marking element 64a.

The extensions 66a are formed as at least substantially perpendicular bends of the marking element 64a. The marking element 64a has the second surface structuring 142a in the center.

Figure 16 shows a sectional view of a part of the machine tool 36a in a perspective view. Shown is a part of the upper side 144a of the machine tool housing 10a. In order to fix the first housing shell element 12a and / or the second housing shell element 14a, the identification element 64a is provided to engage the extensions 66a in at least one groove of the first housing shell element 12a and / or in at least one groove 194a of the second housing shell element 14a. The identification element 64a is for fixing the first housing shell elements 12a and the second housing shell member 14a to each other to engage with one of the extensions 66a in the groove of the first housing shell element 12a and with another of the extensions 66a in the groove 194a of the second housing shell element 14a. The labeling member 64a fixes the shade 148a to the second shell member 14a. In order to fix the panel 148a on the second housing shell element 14a, the identification element 64a engages with one of the extensions 66a in a groove 196a of the panel 148a and with another of the extensions 66a in the groove 194a of the second housing shell element 194. The groove 194a of the second housing shell element 14a and the groove 196a of the diaphragm 148a extend at least substantially perpendicular to the drive axis 68a. Alternatively or additionally, it is conceivable that the marking element 64a is magnetically formed to a Magneti's fixation of the first housing shell member 12a and / or the second housing shell member 14a.

In the following, a method for mounting the machine tool 36a, in particular with reference to the preceding figures, will be described. In at least one method step, the first housing shell element 12a and the second housing shell element 14a are fixed to one another along the drive axis 68a of the drive train unit 34a. The first housing shell element 12a and the second housing shell element 14a are fixed to one another via the receiving element 70a and via the fixing elements 72a on the drive strand unit 34a and via the drive strand unit 34a.

In at least one further method step, the first housing shell element 12a and the second housing shell element 14a are connected to one another along the contact line 20a at least substantially free from visible Befestigungselemen th, in particular fixed together. The first housing shell member 12a and the second housing shell member 14a are connected by means of at least largely on the inside 174a of the first housing shell member 12a and / or on the inside 176a of the second housing shell member 14a arranged fastening components, in particular the Schnapphakenelemen th 50a and the clamping elements 54a, with each other. Possibly visible fastening components are by means of other components of the machine tool 36a and the machine tool housing 10a, in particular mitels of the marking element 64a, mitels the tool holder 76a and mitels of the actuating switch 84a, covered.

In at least one further process step, the at least substantially complete drive train unit 34a is at least partially disposed within the first housing shell member 12a and / or the second housing shell member 14a on and disposed on the first housing shell member 12a and / or second housing shell member 14a Receiving element 70a, in particular the locking tab or a bearing bridge, attached, wherein mitels of the receiving element 70a, the first housing shell element 12a is connected to the second housing shell element 14a. In a further, in particular upstream, process step, the at least substantially complete drive train unit 34a is preassembled. In the further upstream process step, the engine 90a is coupled to the transmission 92a by means of the transmission cover 104a. In an addi tional, in particular upstream, Verfahrensschrit a separately from the first housing shell member 12 a and / or the second Gehäusescha lenelement 14 a present receiving element, in particular at least partially within, the first housing shell member 12 a and / or the two th housing shell member 14 a attached, in particular with the first Ge housing shell element 12a and / or the second housing shell element 14a are screwed. The preassembled drive train unit 34a is at least partially inserted into the receiving element 70a, whereby the locking plate extensions 98a are spread open by the at least partially ramp-like design of the coupling elements 102a and the latching recesses 100a engage with the coupling elements 102.

In at least one further procedural step, the first housing shell element 12a is connected to the second housing shell element 14a by at least one snap hook element 50a arranged on the first housing shell element 12a and / or on the second housing shell element 14a. The first housing shell element 12a is connected to the second housing shell element 14a by means of the first housing shell element 12a to parent snap hook elements 50a. The latching projections 192a of the snap hook elements 50a become with the Gegenschnapphakenelementen 190a engaged. The first housing shell element 12a is non-positively and / or positively connected to the second housing shell element 14a by means of the snap-hook elements 50a.

In at least one further method step, the first housing shell element 12a is arranged by means of the clamping element 54a 'which is at least partially disposed within at least one wall recess 56a, 58a of the first housing shell element 12a' and / or the second housing shell element 14a ', at least on the handle 22a'. connected to the second housing shell element 14a '. The clamping elements 54a ', in particular the clamping extensions 160a' of the clamping elements 54a 'are at least partially inserted into the wall recesses 56a, 58a. Alternatively, it is conceivable that the clamping element 54a "to a clamping connection of the first housing shell elements 12a" with the second housing shell element 14a "on the fastening supply ribs 182a, 184a is arranged. Furthermore, alternatively, it is conceivable that the clamping element 54a is at least partially disposed in the clamping recesses 170a, 172a. In a further method step, the battery unit 62a is arranged at least partially within the first housing shell element 12a and the second housing shell element 14a on the handle 22a and locked by means of the locking hook elements 78a with the clamping elements 54a, in particular with the locking recesses 60a of the clamping elements 54a.

In at least one further method step, the first housing shell element 12a and / or the second housing shell element 14a is fixed by means of the extension 66a of the identification element 64a, in particular separately to the first housing shell element 12a and / or the second housing shell element 14a. The second housing shell element 14a is fixed to the diaphragm 148a by means of the identification element 64a. The extensions 66a of the identification element 64a are brought into engagement with the groove 194a of the second housing shell element 14a and the groove 196a of the diaphragm 148a. Alternatively or additionally, it is conceivable that the first housing shell element 12a and / or the second housing shell element 14a are magnetically fixed by means of the identification element 64a. In at least one further method step, the first housing shell element 12a or the second housing shell element 14a by means of at least one fixing element 72a, in particular a screw, with the Aufnahmeele element 70a and / or the Antriebsstrangereinheit 34a, in particular to form an at least substantially linear Kraftübertragungswirkkette verbun , wherein the fixing element 72a has a direction of the drive axle 68a of the drive odd unit 34a at least substantially parallel aligned Hauptterstre direction of direction 74a. The second housing shell element 14a is connected by means of three fixing elements 72a with the drive train unit 34a. The fixing elements 72 are arranged on the tool receiving area 96a.

In at least one further method step, the tool holder 76a of the machine tool housing 10a is secured to the drive train unit 34a at least to conceal at least one fixing element 72a, in particular without tools. The tool holder 76a is disposed on the tool receiving portion 96a and fixed to the drive string unit 34a.

The tool holder 76 a is fixed to the output shaft 94 a, in particular by means of the thread 120 a screwed onto the output shaft 94 a. By means of the tool holder 76a are all covered on the Werkzeugaufnahmebe 96a fixing elements 72a hidden. By means of the tool holder 76a, two ventilation openings 152a arranged on the tool receiving area 96a are concealed.

With regard to further method steps of the method for mounting the machine tool 36a, reference may be made to the preceding description of the machine tool 36a, since this description is also analogous to the method to read and thus all features with respect to the machine tool 36a also in relation to the method an assembly of the machine 36a work as disclosed apply.

FIGS. 17 to 28 show two further exemplary embodiments of the invention. The following descriptions and the drawings are essentially limited to the differences between the embodiments, with respect to the same designated components, in particular with respect to compo le with the same reference numerals, in principle, to the drawings and / or the description of the other embodiments, in particular of Figures 1 to 16, can be referenced. To distinguish the embodiments of the letter a is the reference numerals of the embodiment in Figures 1 to 16 adjusted. In the exemplary embodiments of FIGS. 17 to 28, the letter a is replaced by the letters b and c.

FIG. 17 shows a side view of a first alternative machine tool 36b. The machine tool 36b is designed as a jigsaw. The factory machine 36b has a machine tool housing 10b. The work tool housing 10b includes a first housing shell member 12b and a second housing shell member 14b. The machine tool housing 10b has a third housing shell element 198b. The third housing shell member 198b is connected to the first housing shell member 12b and the second housing shell member 14b. The second housing shell element 14b and the first housing shell element 12b are connected to each other via the third housing shell element 198b. The first housing shell element 12b is connected to the second housing shell element 14b and to the third housing shell element 198b along a contact line 20b at least essentially free of visible fastening elements, in particular to the second housing shell element 14b and to the third housing shell element 198b. The first housing shell element 12b and the second housing shell element 14b form, at least in sections, a handle 22b. The handle 22b is formed on a tool side 24b facing side 26b and on a side facing away from the tool side 24b 28b of the handle 22b at least substantially free of separating edges. The third housing shell element 198b is arranged on the tool side 24b of the machine tool housing 10b. The third Gehäuseschalenele element 198b at least substantially forms a tool receiving portion 96b. An insert tool 88b of the machine tool 36b is formed as a stitch saw blade. The insert tool 88b is not shown for the sake of clarity. The machine tool housing 10b includes a slide plate 200b. The slide plate 200b is provided to abut against a workpiece during use of the machine tool 36b and to slide along the workpiece. The slide plate 200b is disposed on the third housing shell member 198b. The slide plate 200b is mounted on a first housing shell arranged element 12b and the second housing shell element 14b side facing away from the third housing shell element 198b. The third Gehäusescha lenelement 198b is disposed between the first housing shell member 12b, the second housing shell member 14b and the sliding plate 200b. A joint between the second housing shell member 14b and the third housing shell member 198b is concealed by an identification element 64b of the machine tool housing 10b.

Figure 18 shows an exploded view of the machine tool housing 10b in a perspective view. The machine tool housing 10b to summarizes a receiving element 70b. The receiving element 70b is at least partially within the first housing shell member 12b, the second hous seschalenelements 14b and the third housing shell member 198b can be arranged. The machine tool housing 10b includes an actuating switch 84b. The operation switch 84b can be arranged on the receiving member 70b. The receiving element 70b is designed as a bearing bridge.

The receiving element 70b is formed separately from the first housing shell element 12b, the second housing shell element 14b and the third housing shell element 198b. The receiving element 70b has a plurality of fastening recesses 202b and slots 204b. The fastening recesses 202b and slots 204b are provided for receiving components of a drive string unit 34b of the machine tool 36b on the receiving member 70b.

FIG. 19 shows a side view of the machine tool housing 10b in an exploded view. The machine tool housing 10b comprises at least one connecting element 48b arranged at least on the first housing shell element 12b and / or on the second housing shell element 14b, at least for a positive and / or non-positive connection of the first housing shell element 12b to the second housing shell element 14b Housing shell member 12b and the second housing shell member 14b on at least one other component, in particular a bearing bridge, is provided. The machine tool housing 10b comprises four connecting elements 48b. The connecting elements 48b are arranged on the first housing shell element 12b. The connection Bushing elements 48b are hen to a positive and / or non-positive connection of the first housing shell member 12b with the second Gehäuseschalenele element 14b for fixing the first housing shell member 12b and the second housing shell member 14b on the receiving element 70b vorgese. The connecting elements 48b connect the first housing shell element 12b positively and / or non-positively with the receiving element 70b and the two-th housing shell element 14b. Alternatively, it is conceivable that the connecting element 48b, the first housing shell element 12b on the receiving element 70b positively and / or non-positively with the second housing shell element 14b connects that the first housing shell member 12b and the second housing shell member 14b by a clamping connection on the receiving element 70b are fixed. The connecting elements 48b are arranged on an inner side 174b of the first housing shell element 12b. The Ver connecting elements 48b are viewed along a housing edge 80b of the first hous seschalenelements 12b spaced from each other. In each case two of the connecting elements 48b are arranged opposite each other and at one another symmetrically on the inner side 174b of the first Gehäuseschalenele element 12b. The connecting elements 48b are formed integrally with the first housing shell element 12b.

The first housing shell element 12b and the second housing shell element 14b are fixed to one another via the receiving element 70b and by means of the connecting elements 48b. The receiving element 70b has four housing shells receiving extensions 206b. The housing shell receiving extensions 206b are provided for fixing the first housing shell element 12b on the receiving element 70b. In each case one of the connecting elements 48b is at least partially by one of the Gehäuseschalenaufnahmefortätze 206b positively and / or non-positively absorbable. The connecting elements 48b are at least partially insertable into the housing shell receiving extensions 206b. In each case two of the housing shell receiving extensions 206b are arranged on a first, in the direction of a first outer side 136b of the machine tool housing 10b oriented side of the receiving element 70b. The two hous seschalenaufnahmefortsätze 206b are viewed along a main extension direction 208b of the receiving member 70b spaced angeord net. Two more of the housing shell receiving extensions 206b are at least arranged substantially symmetrically to the two housing shell receiving projections 206b on a second, in the direction of a second outer side 138b of the machine tool housing 10b oriented side of the receiving element 70b to.

The machine tool housing 10b has a further snap hook element 52b. The further snap hook element 52b is arranged on the third housing shell element 198b. The further snap hook element 52b is provided for a snap connection of the third housing shell element 198b to the first housing shell element 12b. The further snap hook element 52b is disposed on a side facing away from the sliding plate 200b side 210b of the third housing shell member 198b th. The third Gehäuseschalenele element 198b is connected to the sliding plate 200b opposite side 210b of the third housing shell member 198b with the first housing shell member 12b and with the second housing shell member 14b. The further snap hook element 52b is formed at least substantially analogously to the snap hook element 50a of the machine tool housing 10a of the first exemplary embodiment.

FIG. 20 shows the receiving element 70b in a perspective view. On the receiving element 70b, the at least substantially complete to drive train unit 34b is arranged. On the receiving element 70 b, the sliding plate 200 b is arranged. On the receiving element 70b are a motor 90b, a gear 92b and an output shaft 94b of the drive train unit 34b angeord net. The drive train unit 34b comprises an air guide channel 212b arranged on the receiving element 70b. The air duct 212b is seen before to bring out an exhaust air from the machine tool housing 10b and the exhaust air in the direction of a tool holder 76b of the Werkzeugmaschi nengehäuses 10b to conduct. The air duct 212 b surrounds the motor 90 b at least substantially completely, in particular in a region of a fan wheel (not shown here in detail) of the drive train unit 34 b. The air guide channel 212b is at least partially disposed annularly around the motor 90b. The air duct 212 b is provided to the by means of the fan wheel, in particular via a ventilation opening 152 b in a region of the further snap hook element 52 b sucked in and, by the motor 90 b guided air on the fan wheel side facing the motor 90b at least partially in the direction of the tool holder 76b. The air-guiding channel 212b comprises a blow-out opening which faces the tool holder 76b, in particular is directed onto it. On the receiving element 70b, a carrier unit 108b is arranged. An electronic unit 106b is arranged on the carrier unit 108b. On the receiving element 70b a battery mulatorkontaktelement 118b is arranged. Viewed along the main extension direction 208b of the receiving element 70b, the carrier unit 108b with the electronic unit 106b is arranged behind the motor 90b. Viewed along the main direction of extension 208b of the receiving element 70b, the motor 90b is arranged behind the actuating switch 84b. Viewed along the main direction of extension 208b of the receiving element 70b, the actuating switch 84b is arranged behind the accumulator contact element 118b. The factory machine 36b includes a cable 214b. The cable 214b electrically connects the electronic unit 106b to the battery contactor 118b. Alternatively, it is conceivable that the receiving element 70b is formed at least partially electrically conductive to an electrical connection of the components of the machine tool 36b.

FIG. 21 shows a top view of the machine tool 36b in a schematic sectional view. The first housing shell element 12b is ver by means of the connecting elements 48b with the second housing shell member 14b and fixed to the receiving element 70b. The connecting elements 48b are formed as grooves. The machine tool housing 10b comprises four mating connection elements 216b. In Figure 21, only two of the Gegenver connecting elements 216b are shown. The mating connection members 216b are disposed on the second housing shell member 14b. The Gegenverbin tion elements 216 b are disposed on an inner side 176 b of the second Gehäusescha lenelements 14 b. The mating connecting members 216b are integrally formed with the second housing shell member 14b. The Gegenverbin tion elements 216b are formed as springs. The Gegenverbindungsele elements 216b are vorgese hen as counterparts to the connecting elements 48b. In each case one of the connecting elements 48b is connected to a positive and / or non-positive connection of the first housing shell element 12b with the second housing shell element 14b, each with one of the mating connection elements. elements 216b engageable. The mating connection members 216b are formed corresponding to the connection members 48b. The second housing shell element 14b is fixed by means of two fixing elements 72b of the machine tool housing 10b to the receiving element 70b. The Fixie relemente 72b are designed as screws. The fixing elements 72b are covered by the marking element 64b. Alternatively, it is conceivable that the second housing shell element 14b only by means of the mating connection elements 216b and the connecting elements 48b is fixed to the receiving element 70b. Further alternatively, it is conceivable that the Kennzeichnungsele element 64b has extensions which fixes the second Ge housing shell element 14b on the receiving element 70b and / or on the Ers th housing shell element 12b instead of the fixing elements 72b.

FIG. 22 shows a side view of the machine tool 36b in a schematic sectional view. The machine tool housing 10b has a wide res Gegenschnapphakenelement 218b. The further counter snap hook element 218b is arranged on the inner side 174b of the first housing shell element 12b. The further snap hook element 52b has a Rastfort set 220b. The further latching extension 220b is connected to the other counter snap hook element 218b into engagement. The further counter snap hook element 218b is designed as a latching recess in the first housing shell element 12b. The further counter snap hook element 218b is formed at least essentially analogously to the counter snap hook element 190a of the first exemplary embodiment.

Hereinafter, a method of assembling the machine tool 36b will be described. In particular, additional and / or different method steps, in particular with reference to the figures 17 to 22 described in comparison to the method for a Mon days of the machine tool 36 a of the first embodiment. In at least one method step, the first housing shell element 12b and the second housing shell element 14b are connected to each other at least substantially free of visible fastening elements, at least substantially free of visible fastening elements, in particular fixed to one another. In the same method step or in at least one further subsequent method step, the third housing shell element 198b is connected to the first th housing shell member 12b and the second housing shell member 14b along the contact line 20b at least substantially free of visible fasteners connected, in particular on the first Gehäusescha lenelement 12b and fixed to the second housing shell member 14b. The third housing shell element 198b is fixed by means of the further snap-hook element 52b on the first housing shell element 12b. The third housing shell element 198b is fixed to the second housing shell element 14b via the first housing shell element 12b and via the receiving element 70b. Alternatively or additionally, it is conceivable that the third Gehäusescha lenelement 198b is fixed by means of the marking element 64b on the second Ge housing shell element 14b.

In at least one further method step, the at least substantially complete drive train unit 34b is at least partially disposed within the first housing shell element 12b and / or the second housing shell element 14b on at least one receiving element 70b which can be arranged on the first housing shell element 12b and / or on the second housing shell element 14b , in particular the bearing bridge, fastened, by means of the receiving element 70b to the first housing shell element 12b is connected to the second housing shell element 14b. The at least substantially complete drive train unit 34b is at least partially disposed within the first housing shell member 12b, the second housing shell member 14b and the third housing shell member 198b. In a further upstream method step, at least substantially all components of the drive string unit 34b are fastened individually and / or positively to the receiving element 70b. The components of the drive train unit 34b are fastened to the receiving element 70b provided separately from the first housing shell element 12b, the second housing shell element 14b and the third housing shell element 198b. The first Gehäuseschalenele element 12 b and the second housing shell member 14 b are in a follow the process step to attach the at least substantially com plete Antriebsstrangereinheit 34 b at least partially within the first Ge housing shell member 12 b and the second housing shell member 14 b on the receiving element 70 b to the at least substantially complete Attached to drive train unit 34b. The first housing shell element 12b is fastened by means of the connecting elements 48b to the receiving element 70b, in particular special on the Gehäuseschalenaufnahmefortsätzen 206b. The second housing shell element 14b is fastened to the receiving element 70b by means of the fixing elements 72b.

In at least one further Verfahrensschrit the first housing shell element 12 b is at least one arranged on the first housing shell member 12 b and / or on the second housing shell member 14 b Ver connection element 48 b with the second housing shell member 12 b at least to a fixation of the first housing shell member 12 b and the second housing shell member 14 b at least one further component, in particular a bearing bridge, positively and / or non-positively connected. The connec tion elements 48b are brought to a positive and / or non-positive connection of the first housing shell member 12b with the second Gehäuseschalenele element 14b with the mating connector elements 216b engaged. In at least one further procedural step, the sliding plate 200b is fixed to the third housing shell element 198b and / or to the receiving element 70b.

With regard to further procedural step of the method for mounting the machine tool 36b, reference may be made to the preceding description of the machine tool 36b, since this description is also analogous to the method to read and thus all features with respect to the machine tool 36b also in relation to the method assembly of the machine 36b are considered to be disclosed.

FIG. 23 shows a side view of a second alternative machine tool 36c. The machine tool 36c is designed as a grinding machine. The machine tool 36c has a machine tool housing 10c. The machine tool housing 10c has a tool holder 76c. The tool holder 76c is formed as a Schleifblathalterung. The work tool housing 10c includes a first housing shell member 12c and a second housing shell member 14c. The machine tool housing 10c has a cover element 222c. The tool holder 76c is disposed on the cover member 222c. The cover element 222c is attached to the first housing shell element 12c and to the second housing shell element 12c. arranged element 14c. The first housing shell element 12c is connected to the second housing shell element 14c and to the cover element 222c along a contact line 20c at least substantially free of visible fastening elements. The first housing shell element 12c and the second housing shell element 14c form, at least in sections, a handle 22c. The handle 22c is formed on a tool side 24c facing side 26c and on a tool side 24c opposite side 28c of the handle 22c at least substantially separated edges. The cover member 222c is arranged on the tool side 24c of the machine tool housing 10c. The cover member 222c at least substantially forms a tool receiving portion 96c. The cover member 222c is disposed between the first housing shell member 12c, the second housing shell member 14c and the tool holder 76c. The tool holder 76c is disposed on a side facing away from the first Gehäuseschalenele element 12c and the second housing shell member 14c of the cover member 222c. An insert tool 88c of the machine tool 36c is arranged on the tool holder 76c. The insert tool 88c is formed as an abrasive sheet. The machine tool housing 10c has an identification element 64c which is arranged between the cover element 222c and the second housing shell element 14c.

FIG. 24 shows the machine tool 36c in a perspective view. The machine tool 36c is viewed from a side facing away from the first housing shell member 12c and the second housing shell member 14c side of the cover element from 222c. A drive train unit 34c of the machine tool 36c includes three swing legs 224c. The vibrating legs 224c are formed as pairs of oscillating legs. On the oscillating legs 224c, the tool holder 76c can be fastened. The tool holder 76c is the sake of clarity not shown. The drive train unit 34c includes an output shaft 94c. The vibrating legs 224c are arranged around the output shaft 94c. In each case one of the oscillating legs 224c is arranged at a corner point of an imaginary equilateral triangle, through the center of which the output shaft 94c extends along a drive axis 68c of the drive train unit 34c. The cover member 222c is provided for swinging legs 224c at least partially within the first housing shell member 12c and / or the second housing shell member 14c to fix.

FIG. 25 shows a side view of the machine tool 36c in a schematic sectional view. The machine tool housing 10c comprises a receiving element 70c. The receiving element 70 c is formed as a bearing bridge. The receiving element 70c is arranged on the first housing shell element 12c. The receiving element 70c is arranged on an inner side 174c of the first housing shell element 12c. The receiving element 70c is formed integrally with the first housing shell element 12c. On the receiving element 70 c at least substantially complete Antriebsstran geinheit 34 c is arranged. The receiving element 70c has a Haupterstre ckungsebene 226c, which is aligned at least substantially perpendicular to the drive shaft 68c on. The receiving element 70c has a bearing dom 228c. A motor 90c of the drive train unit 34c and the output shaft 94c are at least partially disposed within the bearing dome 228c. The motor 90c is screwed to the receiving element 70c on the bearing dome 228c ver. The output shaft 94c is pressed into the bearing dome 228c. From the drive shaft 94 c is formed as an eccentric shaft. The drive train unit 34c has further components arranged in the bearing dome 228c, which components are arranged at least partially on the output shaft 94c, in particular at least partially around the output shaft 94c. The other components of the drive strange unit 34c include bearing elements, in particular ball bearings, to a rotatable mounting of the output shaft 94c in the bearing dome 228c and at least one unbalance compensation element. The receiving element 70c has a plug-in receptacle 230c. In the plug-in receptacle 230c, an electronic unit 106c of the machine tool 36c is inserted.

The drive train unit 34c includes an exhaust air unit 232c. The exhaust unit 232c is provided for exhausting air. The exhaust air unit 232c is designed to discharge heated exhaust air from the engine 90c and / or from the electronics unit 106c. The exhaust air unit 232c has at least one air duct 212c, which is provided to remove the exhaust air from the factory through at least one air outlet opening 154c, in particular a ventilation slit, which is formed by the first housing shell element 12c and the second housing shell element 14c. lead out machine housing 10c (see Figure 24). The exhaust air is transported through a not further shown, in particular on the motor 90c arrange TES or integrated fan wheel of the drive train unit 34c through the Luftfüh signaling channel 212c, in particular blown. The exhaust unit 232c is provided for fixing the electronic unit 106c to the motor 90c. The exhaust unit 232c is at least partially disposed on the electronic unit 106c and on the motor 90c. The exhaust air unit 232c is at least partially arranged at least substantially annularly around the motor 90c. The exhaust air unit 232c is arranged at least in sections between the engine 90c and the electronic unit 106c. The exhaust air unit 232 c fixed, in particular clamps, the electronic unit 106 c in the plug-in receptacle 230 c and the motor 90 c. The exhaust unit 232c is provided to fix an accumulator contact member 118c. The accumulator contact element 118c is arranged on a side of the exhaust air unit 232c facing away from the electronics unit 106c.

FIG. 26 shows the exhaust air unit 232c in a perspective view. The exhaust unit 232c is formed of a plastic. The exhaust unit 232c has a motor receiving element 234c. The motor receiving member 234c is formed as a ring. The motor receiving element 234c has an inner diameter corresponding to a diameter of the motor 90c. The motor receiving member 234c is provided to be arranged around the motor 90c. The exhaust unit 232c has two contact element fastening elements 236c. The contact element fastening elements 236c are arranged on a side of the exhaust air unit 232c facing away from the motor receiving element 234c. The contact element fixing members 236c are provided for fixing the accumulator contact member 118c to the exhaust unit 232c. The contact element fixing members 236c are formed as grooves. The accumulator contact element 118c is at least partially insertable into the Kontaktele mentbefestigungselemente 236c.

FIG. 27 shows a plan view of the machine tool 36c in a schematic representation. The machine tool 36c is shown viewed from the cover member 222c along the drive axis 68c. The cover element 222c is not shown for the sake of clarity. The machine tool housing 10c comprises two fixing elements 72c. The fixation elements te 72c fix the second housing shell element 14c on the Aufnahmeele element 70c. The fixing elements 72 are designed as screws. The receiving element 70c comprises three fastening recesses 202c. The fastening supply recesses 202 c are formed as screw holes. The fastening movement recesses 202 c are provided for fixing the cover member 222 c on the receiving member 70 c. Each one of the mounting recesses 202 c is arranged at each corner of an imaginary gleichseiti gene triangle through the center of which the output shaft 94 c extends along the drive axis 68 c. On the handle 22c of the machine tool housing 10c a battery unit 62c of the machine tool 36c is arranged. The battery pack 62c is at least partially disposed within the first housing shell member 12c and the second housing shell member 14c. A cover cap 86c of the battery unit 62c is disposed outside of the first housing shell member 12c and the second housing shell member 14c, and extends the handle 22c.

FIG. 28 shows the machine tool 36c in a further perspective view. The machine tool 36c is shown from a same perspective as in FIG. The cover member 222c is not shown for the sake of clarity. The vibrating legs 224c are connected to each other via a swing leg ring 238c. The swing legs 224c and the swing leg ring 238c are formed integrally with each other. The swing leg ring 238c is disposed on the receiving member 70c. The oscillating leg ring 238c is pushed onto the receiving element 70c. The oscillating leg ring 238c is arranged annularly around the bearing dome 228c. The machine tool housing 10c has an air outlet opening 154c between the first housing shell element 12c and the second housing shell element 14c. A main extension direction 156c of the air outlet opening 154c extends at least substantially parallel to the drive axis 68c. The oscillating legs 224c extend at least substantially parallel to the drive axis 68c.

Hereinafter, a method of assembling the machine tool 36c will be described. In particular, compared to the method of assembling the machine tool 36a of the first embodiment and the method of assembling the machine tool 36b of the second embodiment. Example additional and / or different process steps, in particular special with reference to Figures 23 to 28, described. In at least one procedural step, the first housing shell member 12c and the second Ge housing shell member 14c along the line of contact 20c at least essenli chen free of visible fasteners connected to each other, in particular special fixed to each other. In at least one further downstream process step, the cover element 222c is connected to the first housing shell element 12c and to the second housing shell element 14c along the contact line 20c at least substantially free of visible fastening elements, in particular screwed to the receiving element 70c. The screws are concealed in at least one further method step by means of the tool holder 76c.

In at least one further method step, the at least substantially complete drive train unit 34c is at least partially disposed within the first housing shell element 12c and / or the second housing shell element 14c on at least one receiving element 70c disposed on the first housing shell element 12c and / or on the second housing shell element 14c , in particular the bearing bridge, fastened, wherein by means of the receiving element 70 c on the first housing shell element 12 c is connected to the second housing shell element 14 c. At least substantially all Liche components of the drive train unit 34c are individually positively and / or positively attached to the receiving element 70c. The components of the drive strange unit 34 c at least partially within the first housing shell member 12 c attached to the receiving element 70 c. The motor 90c is attached to the bearing dome 228c. The output shaft 94c is at least partially pressed into the bearing dome 228c. The electronic unit 106c is inserted into the socket 230c. The exhaust unit 232c is at least partially pushed over the motor 90c. The electronic unit 106c is fixed to the motor 90c by means of the exhaust unit 232c. The second housing shell element 14c is fixed by means of the fixing elements 72c to the receiving element 70c, wherein the first housing shell element 12c is connected to the second housing shell element 14c by means of the receiving element 70c. In at least one further method step, the cover element 222c is attached to the first housing shell element 12c and the second housing shell element 14c arranged. The cover element 222c is fixed to the receiving element 70c, in particular screwed to the receiving element 70c.

With regard to further method steps of the method for mounting the machine tool 36c, reference may be made to the preceding description of the factory tool 36c, since this description is also analogous to the method to read and thus all features with respect to the machine tool 36c also in relation to the method an assembly of the machine 36c work as disclosed apply.

Claims

claims

1. Machine tool housing with at least one first Gehäusescha lenelement (12a, 12b, 12c) and at least one second housing shell member (14a, 14b, 14c), the ment with the first Gehäuseschalenele (12a, 12b, 12c) via at least one contact surface (16a ) of the first housing shell element (12a; 12b; 12c) and at least one contact surface (18a) of the second housing shell element (14a; 14b; 14c) along at least one contact line (20a; 20b; 20c) between the first housing shell element (12a; 12b) 12c) and the second housing shell element (14a; 14b; 14c), wherein the first housing shell element (12a; 12b; 12c) and the second housing shell element (14a; 14b; 14c) at least in sections comprise a handle (22a; 22b; 22c), in particular a pistol grip, characterized in that the first housing shell element (12a; 12b; 12c) and the second housing element (14a; 14b; 14c) are spaced along the contact line (20a; 20b; 20c) st substantially free of visible fasteners connected to each other, in particular fixed to each other, are.

2. Machine tool housing according to claim 1, characterized in that the handle (22a, 22b, 22c) at least on one of a factory tool side (24a, 24b, 24c) facing side (26a, 26b, 26c) and / or from the side facing (28a 28b, 28c) of the handle (22a; 22b; 22c) is at least substantially free of separating edges.

3. Machine tool housing according to claim 1 or 2, characterized by at least one meandering extending separating edge (30 a), along which the first housing shell element (12 a) and the second housing shell element (14 a) at least to form a housing portion (32 a) to a receptacle of a drive train unit (34 a) of a machine tool (36 a) are interconnected.

4. Machine tool housing according to claim 3, characterized in that the separating edge (30 a) in at least two mutually abgewinkel th dividing planes (38 a, 40 a, 42 a, 44 a, 46 a) between the first housing seschalenelement (12 a) and the second housing shell element (14 a) extends ,

5. Machine tool housing according to one of the preceding claims, characterized by at least one at least on the first housing shell element (12b) and / or on the second housing shell element (14b) arranged connecting element (48b), at least to a positive and / or non-positive connection of the first housing shell elements (12b) with the second housing shell element (14b) at least for a fixation of the first housing shell element (12b) and the second housing shell element (14b) on at least one further component, in particular a bearing bridge is provided.

6. Machine tool housing according to one of the preceding claims, characterized by at least one on the first housing shell element (12 a) and / or on the second housing shell element (14 a) arranged snap hook element (50 a) to a snap connection of the first housing shell element (12 a) with the second Gehäusescha lenelement (14a).

7. Machine tool housing according to one of the preceding claims, characterized by at least one, in particular horseshoe-shaped, clamping element (54 a) which is at least on the handle (22 a) to a clamping connection of the first housing shell member (12 a) with the second housing shell element (14 a) together.

8. Machine tool housing according to claim 8, characterized in that the clamping element (54 a) at least partially within at least one Wandungsausnehmung (56 a, 58 a) of the first housing shell elements (12 a) and / or the second housing shell element (14 a) is arranged to.

9. Machine tool housing according to claim 7 or 8, characterized in that the clamping element (54 a) at least one locking recess (60 a) for locking at least one battery unit (62 a) of a machine tool (36 a) on the handle (22 a).

10. Machine tool housing according to one of the preceding claims, characterized by at least one, in particular separately to the Ers th housing shell element (12a, 12b; 12c) and / or the second Ge housing shell element (14a, 14b, 14c) formed, Kennzeichnungsele element (64a, 64b 64 c) having at least one extension (66 a) to a Fixie tion of the first housing shell member (12 a) and / or the second Ge housing shell member (14 a).

11. Machine tool, in particular hand tool, with at least one machine tool housing according to one of the preceding claims.

12. A machine tool according to claim 11, characterized by at least one drive train unit (34a, 34b, 34c), via which the first housing shell element (12a, 12b, 12c) and the second housing shell element (14a, 14b, 14c) along a drive axis (68a; 68b, 68c) of the drive unit (34a, 34b, 34c) are fixed to each other.

13. Machine tool according to claim 11 or 12, characterized by at least one drive train unit (34a, 34b, 34c), wherein the work generating machine housing at least one element on the first housing shell (12a, 12b, 12c) and / or on the second housing shell element (14a; 14b, 14c) arranged and / or can be arranged receiving element (70a, 70b, 70c), in particular a locking strap or a bearing bridge, at least partially fixing the at least substantially complete drive train unit (34a, 34b, 34c) at least partially within the and to the first housing shell element (12a, 12b, 12c) and / or the second housing shell element (14a, 14b, 14c) and to a connection of the first housing shell element (12a, 12b, 12c) to the second housing shell element (14a, 14b, 14c) ,

14. Machine tool according to claim 13, characterized in that the machine tool housing, in particular for forming an at least substantially linear force transmission active chain, at least one fixing element (72a, 72b, 72c), in particular a screw, to a connection of the first housing shell element (12a, 12b 12c) or the second housing shell element (14a, 14b, 14c) with the Aufnahmeele element (70a, 70b, 70c) and / or the Antriebstrangeinheit (34a, 34b, 34c), wherein the fixing element (72a, 72b, 72c) a to a drive shaft (68a, 68b, 68c) of the drive train unit (34a, 34b, 34c) to at least substantially parallel aligned main extension direction (74a).

15. Machine tool according to one of claims 11 to 14, characterized by at least one drive train unit (34a, 34c), wherein the work generating machine device at least one, in particular without tools, on the drive train unit (34a, 34c) attachable tool holder (76a, 76c) at least one Covering at least one fixing element (72a, 72c) of the machine tool housing has.

16. Machine tool according to one of claims 12 to 15, characterized by at least one battery unit (62a, 62c) to a power supply of the drive train unit (34a, 34c), wherein the battery unit (62a, 62c) at least one locking hook element (78a) to a lock having the clamping element (54a).

17. A method for assembling a machine tool, in particular a machine tool according to one of claims 11 to 16, characterized in that in at least one method step, the first Ge housing shell element (12a, 12b, 12c) and the second housing shell element (14a, 14b, 14c ) are fixed to one another via at least one drive train unit (34a; 34b; 34c) along a drive axle (68a; 68b; 68c) of the drive train unit (34a; 34b; 34c).

18. The method according to claim 17, characterized in that in at least one method step, the first housing shell element (12a, 12b, 12c) and the second housing shell element (14a, 14b, 14c) along at least one contact line (20a, 20b, 20c) at least essentially free of visible fasteners connected together, in particular fixed to each other, are.

19. Method according to claim 17, characterized in that in at least one method step the at least substantially complete drive train unit (34a; 34b; 34c) is at least partially within the first housing shell element (12a; 12b; 12c) and / or the second housing shell element (14a; 14b; 14c) are arranged on at least one receiving element (70a; 70b; 70c.) Arranged on the first housing shell element (12a; 12b; 12c) and / or on the second housing shell element (14a; 14b; 14c) ), in particular a locking lug or a bearing bridge is fastened, wherein by means of Aufnah meelements (70a, 70b, 70c), the first housing shell element (12a, 12b, 12c) with the second housing shell element (14a, 14b, 14c) is connected.

20. The method according to any one of claims 17 to 19, characterized in that in at least one method step, the first Gehäusescha lenelement (12b) by means of at least one of the first housing shell element (12b) and / or on the second housing shell element (14b) arranged connecting element ( 48 b) with the second Gehäusescha lenelement (14 b) at least to a fixing of the first Gehäusescha lenelements (12 b) and the second housing shell element (14 b) on at least one further component, in particular a bearing bridge, positively and / or non-positively connected.

21. The method according to any one of claims 17 to 20, characterized in that in at least one method step, the first Gehäusescha lenelement (12a) with the second housing shell element (14a) by means of at least one of the first housing shell element (12a) and / or on the second housing shell element (14a) arranged Schnappha kenelements (50a) is connected.

22. The method according to any one of claims 17 to 21, characterized in that in at least one method step, the first Gehäusescha lenelement (12a) by means of at least one clamping element (54a) at least partially within at least one Wandungsausnehmung (56a, 58a) of the first housing shell element (12 a) and / or the second Ge housing shell element (14 a) is arranged, at least on the handle (22 a) with the second housing shell element (14 a) is connected.

23. The method according to any one of claims 17 to 22, characterized in that in at least one method step, the first Gehäusescha lenelement (12a) and / or the second housing shell element (14a) with means of at least one extension (66a) at least one, in particular sepa rat The identification element (64a) is / are fixed to the first housing shell element (12a) and / or the second housing shell element (14a).

24. The method according to any one of claims 17 to 23, characterized in that in at least one method step, the first Gehäusescha lenelement (12a, 12b, 12c) or the second housing shell element (14a, 14b, 14c) by means of at least one fixing element (72a, 72b; 72c), in particular a screw, with at least one receiving element (70a;

70b; 70c) and / or the drive train unit (34a; 34b; 34c), in particular to form an at least substantially linear force transmission effect chain, wherein the fixing element (72a; 72b; 72c) to a drive axle (68a; 68b, 68c ) of the drive strand unit (34a; 34b; 34c) at least substantially parallel aligned Hauptterstre ckungsrichtung (74a; 74b, 74c).

25. The method according to any one of claims 17 to 24, characterized in that in at least one method step at least one tool holder (76a, 76c) of the machine tool housing at least to egg nem obscuring at least one fixing element (72a, 72c), in particular without tools, on the Drive train unit (34a, 34c) is attached.