EP3787845B1 - Carter de machine-outil - Google Patents

Carter de machine-outil Download PDF

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Publication number
EP3787845B1
EP3787845B1 EP19722597.2A EP19722597A EP3787845B1 EP 3787845 B1 EP3787845 B1 EP 3787845B1 EP 19722597 A EP19722597 A EP 19722597A EP 3787845 B1 EP3787845 B1 EP 3787845B1
Authority
EP
European Patent Office
Prior art keywords
housing shell
shell element
housing
machine tool
drive train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19722597.2A
Other languages
German (de)
English (en)
Other versions
EP3787845A1 (fr
Inventor
Uwe Engelfried
Florian Schmehl
Jens Zieger
Jan Hiller
Ulrich Bohne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3787845A1 publication Critical patent/EP3787845A1/fr
Application granted granted Critical
Publication of EP3787845B1 publication Critical patent/EP3787845B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • the invention is based on a machine tool housing with at least one first housing shell element and with at least one second housing shell element, which is connected to the first housing shell element via at least one contact surface of the first housing shell element and via at least one contact surface of the second housing shell element along at least one contact line between the first housing shell element and the second 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.
  • first housing shell element and the second housing shell element are connected to one another, in particular fixed to one another, at least essentially free of visible fastening elements along the contact line.
  • the first housing shell element and the second housing shell element are preferably designed as housing shells.
  • 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 made of a plastic.
  • the first housing shell element and/or the second housing shell element are/is formed from a metal, from a composite material, in particular fiber composite material, or from another material that appears sensible to a person skilled in the art.
  • the second housing shell element is formed from a material that is different from a material of the first housing shell element.
  • the machine tool is preferably designed as a hand-held power tool, such as an electric screwdriver, a grinder, a jigsaw or the like.
  • a hand-held power tool such as an electric screwdriver, a grinder, a jigsaw or the like.
  • internal components of the machine tool such as a motor, a gearbox, control electronics or the like, are arranged within the housing formed by at least the first housing shell element and the second housing shell element and/or are enclosed by the housing.
  • the machine tool housing can comprise at least one additional housing shell element, in particular depending on a type or type of machine tool.
  • the contact line is in particular a line along which the first housing shell element and the second housing shell element are arranged against one another in an assembled state of the machine tool housing, in particular abut one another.
  • the contact line is preferably designed as a separating edge along which the first housing shell element and the second housing shell element are connected to one another and/or can be separated.
  • the contact line corresponds in particular at least essentially to a course a housing edge of the first housing shell element or the second housing shell element.
  • the housing edge of the first housing shell element or the second housing shell element runs at least substantially perpendicular to a wall thickness of the first housing shell element or the second housing shell element.
  • the housing edge of the first housing shell element or the second housing shell element delimits the first housing shell element or the second housing shell element, in particular in a direction that is at least substantially perpendicular to the housing edge and the wall thickness of the first housing shell element or the second housing shell element.
  • the housing edge of the first housing shell element preferably has a course corresponding to a course of the housing edge of the second housing shell element.
  • the first housing shell element and the second housing shell element lie against one another along the housing edge of the first housing shell element and along the housing edge of the second housing shell element in at least substantially precise shape, in particular like a puzzle piece.
  • the first housing shell element and the second housing shell element lie against one another via the contact surface of the first housing shell element and the contact surface of the second housing shell element.
  • the contact surface of the first housing shell element or the contact surface of the second housing shell element is in particular spanned 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 housing shell element.
  • substantially perpendicular is intended to define, in particular, an orientation of a direction relative to a reference direction, wherein the direction and the reference direction, in particular viewed in a plane, enclose an angle of 90° and the angle has a maximum deviation of in particular less than 8° , advantageously smaller than 5° and particularly advantageously smaller than 2°.
  • the handle is in particular a housing area on which a user grips the machine tool to use and/or operate the machine tool.
  • a first housing shell element and a second Housing shell elements which form a housing for an electric screwdriver, a drill, a hammer drill or the like, can at least partially form a handle designed as a pistol grip.
  • a handle designed as a pistol grip is in particular designed at least essentially analogously to a handle of a pistol.
  • a machine tool housing with a pistol grip can be grasped at least essentially in the same way as a pistol.
  • an actuation switch for actuating the machine tool is arranged on the handle at least essentially analogously to a trigger of a pistol.
  • a handle designed as a pistol grip is aligned at an angle to a housing section adjoining the handle.
  • the handle designed as a pistol grip and the housing section adjoining the handle form at least essentially an L-shaped end section of the machine tool housing.
  • the handle which is designed as a pistol grip, merges into the rest of the machine tool housing in an arc shape.
  • the first housing shell element and the second housing shell element are preferably connected to one another, in particular fixed to one another.
  • the first housing shell element and the second housing shell element are connected to one another, in particular fixed to one another, at least on the handle, at least essentially free of visible fastening elements.
  • the first housing shell element and the second housing shell element are connected to one another along the contact line, completely free of visible fastening elements, in particular fixed to one another.
  • the fastening elements, in particular not visible from the outside, for fixing the first housing shell element and the second housing shell element can in particular be designed as screws, connecting pins, bolts, locking elements, screw holes or as other fastening elements that appear useful to a person skilled in the art.
  • 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.
  • the fastening elements are preferably in an assembled state of the machine tool housing or the machine tool, in particular for the user. not visible, especially not visible.
  • the fastening elements in particular not visible from the outside, are through the first housing shell element, through the second housing shell element and / or through further components of the machine tool housing or the machine tool, such as a tool holder, a switch, a cover, a clip or the like. , hidden.
  • the inventive design of the machine tool housing can advantageously provide a machine tool housing that allows use free of visible or disruptive fastening elements.
  • An advantageously comfortable and safe machine tool housing can be provided, which is advantageously ergonomically designed, in particular on a handle.
  • a visually appealing machine tool housing can advantageously be provided, which enables advantageously simple assembly and/or disassembly.
  • An advantageously inexpensive machine tool housing can be provided, which enables a machine tool that is advantageously easy to maintain.
  • the handle is designed to be at least substantially free of separating edges at least on a side facing a tool side and/or a side of the handle facing away from it.
  • the tool side of the machine tool housing is in particular an outside of the first housing shell element and/or the second housing shell element, which has at least one outlet opening from which an output element of the machine tool can protrude to drive an insert tool, and/or which, in an assembled state of the machine tool housing, has a tool holder faces the machine tool and/or an insert tool arranged on the tool holder.
  • a force can be exerted in the direction of the tool side or transversely to a main extension plane of the tool side.
  • a “main extension plane” of a unit is to be understood in particular as a plane which is parallel to a largest side surface of a smallest imaginary cuboid, which just completely encloses the unit, and in particular through the center of the cuboid runs.
  • Transverse is intended to mean, in particular, an orientation of a direction and/or an axis relative to a reference direction and/or a reference axis, the orientation of the direction and/or the axis being at least different from an at least substantially parallel orientation to the reference direction and/or 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 intended to mean, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, with the direction having a deviation from the reference direction, in particular less than 8°, advantageously less than 5° and particularly advantageously less than 2 ° has.
  • the handle is designed to be at least substantially free of separating edges, at least on the side of the handle facing away from the tool side.
  • the handle is designed to be at least substantially free of separating edges on the side of the handle facing the tool side and facing away from the tool side.
  • the handle has at least one separating edge on at least one side of the handle that is at least substantially perpendicular to the side of the handle that is aligned with the tool side.
  • the handle preferably has two sides of the handle that are at least substantially perpendicular to the tool side.
  • the handle has the separating edge on both of the sides that are at least substantially perpendicular to the tool side.
  • the term “intended” is intended to mean, in particular, specifically programmed, designed and/or equipped.
  • the fact that an object is intended for a specific function should be understood in particular to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
  • the handle can advantageously be designed to be free of separating edges on a side of the handle on which a force is exerted during use.
  • An advantageously ergonomic grip option can be provided for an advantageous transmission of force to an insert tool.
  • 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 close are connected to one another to form a housing area to accommodate a drive train unit of a machine tool.
  • a course of the separating edge corresponds at least substantially to the contact line.
  • the first housing shell element and the second housing shell element are connected to one another along the separating edge to form the handle.
  • the separating edge on the handle runs at least essentially linearly.
  • the drive train unit is preferably intended to drive an insert tool of the machine tool.
  • the drive train unit can, for example, include a motor, in particular an electric motor, a transmission, a drive and/or output shaft or the like.
  • the drive train unit is at least partially arranged within the first housing shell element and the second housing shell element in the housing region to accommodate the drive train unit.
  • the meandering course of the separating edge is in particular designed differently from a linear course of the separating edge.
  • the separating edge on the housing area is curved at least in sections to accommodate the drive train unit.
  • the separating edge in the housing area runs at least once in an arc to accommodate the drive train unit.
  • the separating edge in the housing area extends in a multiple arc shape to accommodate the drive train unit.
  • a separating edge section that opens directly into an arcuate course of the separating edge with a separating edge section that directly adjoins the arcuate course of the separating edge can enclose an angle greater than 45°, preferably an angle greater than 90° and particularly preferably an angle greater than 120°.
  • the separating edge section which opens directly into the arcuate course of the separating edge and the separating edge section which directly adjoins the arcuate course of the separating edge can enclose an angle smaller than 180°, preferably an angle smaller than 160° and particularly preferably an angle smaller than 140°.
  • the separating edge runs at least substantially along a first outside of the first housing shell element and the second housing shell element.
  • the separating edge runs at least substantially along a second outside of the first housing shell element and the second housing shell element, facing away from the first outside symmetrical to a course along the first outside.
  • the separating edge runs in at least two mutually angled separating planes between the first housing shell element and the second housing shell element.
  • a separating plane is in particular a plane between the first housing shell element and the second housing shell element, in which the separating edge runs and which is in particular aligned at least substantially perpendicular to a contacting direction along which the first housing shell element and the second housing shell element abut one another, in particular are fixed to one another.
  • the parting plane is aligned at least substantially parallel to the contact surface of the first housing shell element or the second housing shell element.
  • a parting plane is angled to a further parting plane at an angle greater than 45°, preferably at an angle greater than 90° and particularly preferably at an angle greater than 120°.
  • the parting plane is angled to the further parting plane at an angle of less than 180°, preferably at an angle of less than 160° and particularly preferably at an angle of less than 140°.
  • the separating edge preferably runs in more than two separating planes that are angled towards one another.
  • 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 contributes to a positive and/or non-positive connection of the first housing shell element to the second housing shell element, at least to a fixation of the first housing shell element and the second housing shell element on at least one further component, in particular a bearing bridge, is provided.
  • the connecting element can in particular be designed as a spring, as a dovetail or as another connecting element that appears useful to a person skilled in the art.
  • the machine tool housing comprises at least one counter-connecting element arranged at least on the first housing shell element and/or on the second housing shell element, which is in particular provided as a counterpart to the connecting element.
  • the counter-connecting element can in particular be designed as a groove, as a locking recess or as another counter-connecting element that appears sensible to a person skilled in the art.
  • the connecting element can be brought into engagement with the counter-connecting element for a positive and/or non-positive connection of the first housing shell element with the second housing shell element.
  • the counter-connecting element is designed to correspond to the connecting element.
  • the further component of the machine tool housing can be designed as a bearing bridge, a locking tab or the like.
  • the further component is intended to accommodate 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 on the further component, in particular by a positive and/or non-positive connection with the counter-connecting element.
  • the connecting element connects the first housing shell element in a form-fitting and/or non-positive manner with the further component and the second housing shell element.
  • the connecting element connects the first housing shell element to the further component in a form-fitting and/or non-positive manner with the second housing shell element in such a way that the first housing shell element and the second housing shell element are fixed to the further component by a clamp connection.
  • the connecting element and the counter-connecting element are arranged on an inside of the first housing shell 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 cohesively connected to the first housing shell element and/or to the second housing shell element, in particular formed in one piece with the first housing shell element and/or the second housing shell element.
  • one-piece is intended to mean, in particular, formed in one piece.
  • this one piece is produced from a single blank, a mass and/or a casting, particularly preferably in an injection molding process, in particular a single and/or multi-component injection molding process.
  • a positive and/or non-positive connection of the first housing shell element to the second housing shell element can advantageously be achieved without visible fastening elements.
  • the machine tool housing comprises at least one snap hook element arranged on the first housing shell element and/or on the second housing shell element for a snap connection of the first housing shell element with the second housing shell element.
  • the machine tool housing comprises at least one counter-snap hook element arranged on the first housing shell element and/or on the second housing shell element and corresponding to the snap hook element.
  • 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.
  • the snap hook element and/or the counter snap hook element are cohesively connected to the first housing shell element and/or to the second housing shell element, in particular formed in one piece with the first housing shell element and/or with the second housing shell element.
  • the snap hook element is preferably designed to be at least partially elastic.
  • the snap hook element can in particular have at least one locking 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 locking recess, as a locking projection or the like.
  • 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 snap hook element and/or the counter snap hook element can/can in particular be formed from a material different from a material of the first housing shell element and/or the second housing shell element, for example from a metal, in particular a spring steel.
  • a further possibility can be provided for a connection of the first housing shell element and the second housing shell element to one another that is at least essentially free of visible fastening elements.
  • the machine tool housing comprises at least one, in particular horseshoe-shaped, clamping element, which is provided at least on the handle for a clamping connection of the first housing shell element with the second housing shell element.
  • the clamping element is formed separately from the first housing shell element and the second housing shell element.
  • the clamping element can be designed to be at least partially elastic.
  • the clamping element is in particular designed like a clip.
  • the clamping element is intended to hold the first housing shell element and the second housing shell element together by a clamping action of the clamping element.
  • the clamping element can in particular have 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 insides of the first housing shell element and the second housing shell element.
  • the clamping element is designed to be slid onto the fastening ribs.
  • the clamping element is preferably at least essentially horseshoe-shaped.
  • the clamping element is at least essentially C-shaped, U-shaped, L-shaped, semi-ring-shaped or the like.
  • The, in particular horseshoe-shaped, clamping element can in particular have finger-like clamping extensions.
  • the horseshoe-shaped clamping element preferably exerts a clamping effect on the fastening ribs.
  • the first housing shell element and the second housing shell element each have at least one clamping recess into which the clamping element, in particular a clamping extension of the clamping element, can be inserted.
  • the clamping recess is designed as a partial recess in the first housing shell element and the second housing shell element.
  • a clamping extension of the clamping element can be inserted into a clamping recess of the first housing shell element and a further clamping extension of the clamping element can be inserted into a further clamping recess of the second housing shell element in order to fix the first housing shell element and the second housing shell element to one another.
  • the clamping recess is preferably designed to correspond to a shape of the clamping extension.
  • at least one clamping recess is arranged on the inside of the first housing shell element and the second housing shell element.
  • the clamping element can preferably be formed from a material that is different from a material of the first housing shell element and the second housing shell element, for example from a metal, in particular a spring steel.
  • the machine tool housing preferably has two clamping elements, with one clamping element fixing the first housing shell element and the second housing shell element to one another in a region of the separating edge on a first inside of the handle and a further clamping element fixing the first housing shell element and the second housing shell element in a region of the separating edge on a second , the inside of the handle opposite the first inside of the handle is fixed to one another.
  • an additional possibility can be provided for a connection of the first housing shell element and the second housing shell element to one another that is at least essentially free of visible fastening elements.
  • the clamping element is arranged at least partially within at least one wall recess of the first housing shell element and/or the second housing shell element.
  • the wall recess at least essentially points to the clamping recess analogous shape.
  • the clamping extension of the, in particular horseshoe-shaped, clamping element can be inserted into the wall recess.
  • the first housing shell element and the second housing shell element each have at least one wall recess, preferably at least two wall recesses.
  • the wall recess is at least essentially closed except for an insertion opening through which the clamping extension can be inserted.
  • the first housing shell element and the second housing shell element, at least on the handle have a wall thickness which is intended to accommodate the clamping element, in particular the clamping extension.
  • the wall recess is designed as a cavity in a wall of the first housing shell element and/or the second housing shell element.
  • the clamping element can advantageously be at least essentially hidden in an incompletely assembled state of the machine tool housing or the machine tool.
  • the clamping element has at least one locking recess for locking at least one battery unit of a machine tool on the handle.
  • the at least substantially horseshoe-shaped clamping element comprises the locking recess.
  • the locking recess is preferably designed as a recess in a locking extension of the clamping element.
  • the battery unit is preferably intended to supply energy to the drive train unit of the machine tool.
  • the handle is preferably intended to at least partially accommodate the battery unit within the first housing shell element and the second housing shell element.
  • the battery unit can be fixed at least partially within the first housing shell element and the second housing shell element by means of the locking recess.
  • the battery unit is preferably designed as a battery pack.
  • the battery unit is designed as a capacitor, as a connecting plug for coupling to a power network or as another battery unit that appears useful to a person skilled in the art.
  • 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.
  • the clamping recess preferably has a shape corresponding to the locking hook element.
  • the locking recess can in particular be rectangular, round, elliptical or the like.
  • the locking hook element is designed to be detachably lockable in the locking recess.
  • Each clamping element preferably has a locking recess. A space-saving and robust, in particular secure, locking of the battery unit on the handle can advantageously be made possible.
  • the machine tool housing comprises at least one identification element, in particular formed separately from the first housing shell element and/or the second housing shell element, which has at least one extension for fixing the first housing shell element and/or the second housing shell element.
  • the identification element is preferably intended to identify the machine tool housing or the machine tool, in particular as belonging to a specific series of machine tools.
  • the identification element is designed in particular as a static identification element.
  • the identification element is intended for identification without changes.
  • the marking element is designed to be at least substantially energy-free.
  • the identification element preferably has at least one surface structure.
  • the surface structuring is preferably designed as a silver coating.
  • the surface structuring is designed as an embossing, in particular in the form of a logo or the like.
  • the identification element is at least essentially designed like a clasp, tongue or the like.
  • the identification element is preferably curved at least in sections.
  • the identification element is preferably made of a material that is different from the material of the first housing shell element and/or the second housing shell element, for example a metal, in particular a spring steel.
  • the identification element is preferably used, for example, to fix the first housing shell element and/or the second housing shell element, in particular to one another and/or to at least one further component the bearing bridge or a cover.
  • the identification element comprises at least one extension, preferably two extensions.
  • the extension is preferably designed as an at least partial bend, in particular an at least substantially vertical bend, of the identification element.
  • the marking element is intended to engage with the extension in at least one groove of the first housing shell element and/or the second housing shell element.
  • the marking element preferably engages with an extension in a groove of the first housing shell element and with a further extension in a further groove in the second housing shell element.
  • the marking element can engage with an extension in a groove of the further component.
  • the marking element is designed magnetically to magnetically fix the first housing shell element and/or the second housing shell element.
  • the identification element can also be provided to conceal fastening elements, such as screws, connecting pins or the like. Visible fastening elements can advantageously be replaced or at least hidden by a marking element.
  • the invention is based on a machine tool, in particular a hand-held power tool, with at least one machine tool housing according to the invention.
  • the machine tool is preferably designed as a hand-held electric tool, in particular a cordless hand-held electric tool.
  • the machine tool is preferably designed as an electric screwdriver, as a grinder, as a jigsaw or as another machine tool that appears useful to a person skilled in the art.
  • a machine tool can advantageously be provided with a comfortable, safe, ergonomic, cost-effective, easy-to-maintain and visually attractive machine tool housing.
  • the machine tool comprises at least one drive train unit, via which the first housing shell element and the second housing shell element are fixed to one another along a drive axis of the drive train unit.
  • the drive train unit is intended in particular to drive an insert tool of the machine tool.
  • the insert tool can be designed in particular as a screwdriver bit, as a drill, as a sanding plate, as a saw blade or as another insert tool that appears useful to a person skilled in the art.
  • the drive train unit comprises at least one motor, in particular an electric motor, at least one transmission, at least one drive shaft and/or at least one output shaft.
  • the drive axis of the drive train unit runs at least substantially parallel, in particular coaxially, to a longitudinal axis of the drive shaft and/or the output shaft of the drive train unit.
  • a longitudinal axis of an object in particular a cylindrical object, is in particular an axis which is aligned at least essentially perpendicular to a cross-sectional area of the object spanned by cylindrical radii of the object.
  • the drive train unit is provided for a rotating and/or oscillating drive of the insert tool around and/or along the drive axis.
  • the user When using the machine tool, the user preferably exerts a force along the drive axis on the machine tool, in particular on the insert tool of the machine tool.
  • the drive train unit is intended to fix the first housing shell element and the second housing shell element to one another along the drive axis.
  • the first housing shell element and the second housing shell element are arranged at least essentially one behind the other, in particular on the drive train unit.
  • at least one parting plane runs at least in sections, in particular on the handle, transversely to the drive axis.
  • the first housing shell element and the second housing shell element are fixed to one another along the drive axis, preferably by means of fastening elements and/or a locking tab on the drive train unit and via the drive train unit.
  • a stable fixation of the first housing shell element and the second housing shell element to one another can advantageously be achieved.
  • the first housing shell element, the second housing shell element and the drive train unit form due to the fixation creates an advantageously linear force transmission chain with few weak points.
  • the machine tool comprises at least one drive train unit, wherein the machine tool housing has at least one receiving element, in particular a locking tab or a bearing bridge, which is arranged and/or can be arranged on the first housing shell element and/or on the second housing shell element and which at least serves to fasten the at least substantially complete drive train unit is at least partially provided within the first housing shell element and / or the second housing shell element and for a connection of the first housing shell element to the second housing shell element.
  • the drive train unit corresponds to the drive train unit described above.
  • the machine tool housing preferably 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 materially connected in particular 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 in one piece to the first housing shell element and/or or with the second housing shell element, preferably with the first housing shell element or with the second housing shell element.
  • a receiving element that can be arranged on the first housing shell element and/or on the second housing shell element is in particular connected and/or connectable to the first housing shell element and/or the second housing shell element in a force-fitting and/or form-fitting manner, for example by a screw connection, a latching or the like .
  • An object arranged within the machine tool housing, in particular within the first housing shell element and/or the second housing shell element, is preferably not visible from the outside in a mounted state of the machine tool, in particular through an at least substantially opaque machine tool housing.
  • an object arranged within the machine tool housing, in particular within the first housing shell element and/or the second housing shell element is spatially separated from an environment of the machine tool, for example a user's hand which grips the machine tool, by the first housing shell element and/or the second housing shell element .
  • the receiving element is preferably designed as a locking tab, as a bearing bridge or as another receiving element that appears useful to a person skilled in the art.
  • a receiving element designed as a locking tab is preferably provided for fastening the drive train unit, with at least essentially all components of the drive train unit being connected to one another.
  • the locking tab is provided for a non-positive and/or positive connection, in particular a latching, with at least one, preferably a single, component of the drive train unit, via which at least essentially all components of the drive train unit are fixed to one another.
  • the locking tab is preferably designed to be at least partially elastic.
  • the locking tab has at least one, preferably two, locking tab extension, which is provided for fixing the at least substantially complete drive train unit.
  • the drive train unit has at least one coupling element which is intended to be connected to the receiving element, in particular to the locking tab extension. At least one locking recess is preferably arranged on the locking tab extension.
  • the coupling element of the drive train unit is designed as a latching element, which is intended in particular for latching with the locking tab extension, in particular with the latching recess.
  • the coupling element can be used as a locking recess, in particular for locking with the receiving element, as a screw or a thread, in particular for a screw connection with the receiving element, as a plug-in element or a plug-in receptacle, in particular for a plug-in connection with the receiving element , as a clamping element or a clamping recess, in particular a clamp connection with the receiving element, or as another coupling element that appears sensible to a person skilled in the art.
  • the coupling element is preferably arranged on at least one component of the drive train unit.
  • the coupling element is arranged at least on a transmission cover of the drive train unit.
  • the gearbox cover is preferably intended to fix the engine to the gearbox.
  • the coupling element in particular the coupling element designed as a latching element, is designed at least in sections in a ramp-like manner, in particular to spread the locking tab extension.
  • the gear cover preferably comprises two coupling elements, one of the coupling elements being provided for latching with a locking tab extension, in particular with a latching recess.
  • a receiving element designed as a bearing bridge is preferably provided for fastening the drive train unit, with at least a large part of the components of the drive train unit being present separately from one another.
  • the individual components of the drive train unit can each be individually connected to the bearing bridge, in particular in a non-positive and/or positive manner.
  • the bearing bridge preferably has a plurality of fastening recesses, slots or the like, on and/or by means of which the components of the drive train unit can be arranged.
  • the components of the drive train unit are mechanically and/or electrically connected to one another via the bearing bridge.
  • the receiving element is preferably provided for a, in particular non-positive and/or positive, connection of the first housing shell element to the second housing shell element.
  • the first housing shell element and the second housing shell element are fixed to one another via the receiving element.
  • the receiving element can in particular be materially connected to the first housing shell element, in particular formed in one piece with the first housing shell element, and the second housing shell element can be non-positively and/or positively connected to the receiving element and in particular fixed to the first housing shell element.
  • the receiving element can be separate from that first housing shell element and the second housing shell element can be formed and the first housing shell element and the second housing shell element can be non-positively and / or positively connected to the receiving element and in particular fixed to one another, for example by means of the connecting element.
  • An advantageously simple arrangement of the drive train unit can be achieved at least partially within the first housing shell element and/or the second housing shell element while at the same time connecting the first housing shell element and the second housing shell element to one another at least essentially free of visible fastening elements.
  • the machine tool housing in particular to form an at least substantially linear force transmission chain, comprises at least one fixing element, in particular a screw, to connect the first housing shell element or the second housing shell element to the receiving element and / or the drive train unit, wherein the Fixing element has a main extension direction that is at least substantially parallel to a drive axle of the drive train unit.
  • the fixing element is preferably designed as a screw.
  • the fixing element is designed as a connecting pin, as a connecting bolt or as another fixing element that appears sensible to a person skilled in the art.
  • a “main extension direction” of an object should be understood to mean, in particular, a direction which runs parallel to a longest edge of a smallest geometric cuboid, which just completely encloses the object.
  • the fixing element is arranged on a tool receiving area of the first housing shell element or the second housing shell element, on which a tool holder and/or an insert tool can be arranged.
  • the fixing element fixes the first housing shell element or the second housing shell element along the drive axis on the receiving element and/or on the drive train unit, in particular on a gearbox housing of the drive train unit.
  • the machine tool housing comprises a plurality of fixing elements, in particular three fixing elements, which are used to connect the first housing shell element or the second housing shell element to the receiving element and/or the Drive train unit are provided and have the main extension directions aligned at least substantially parallel to the drive axle.
  • an at least substantially linear force transmission chain can be formed by means of the fixing element, wherein a force from a user is transmitted at least substantially linearly via the first housing shell element, the drive train unit and the second housing shell element to the insert tool or a workpiece.
  • a robust and efficiently operable machine tool can advantageously be provided.
  • the machine tool comprises at least one drive train unit, wherein the machine tool device has at least one tool holder that can be attached to the drive train unit, in particular without tools, at least to cover at least one fixing element of the machine tool housing.
  • the drive train unit preferably corresponds to the drive train unit described above.
  • the tool holder is preferably intended to hold the insert tool.
  • the tool holder can be designed in particular as a tool chuck, in particular as a drill chuck, as a grinding plate holder, as a saw blade holder or as another tool holder that appears useful to a person skilled in the art.
  • the tool holder is preferably arranged on the tool holder area of the first housing shell element or the second housing shell element and is in particular fastened to the drive train unit.
  • the tool holder can be attached to the drive shaft or the output shaft of the drive train unit.
  • 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.
  • the drive train unit preferably drives the tool holder and the insert tool via the tool holder.
  • the tool holder covers at least one fixing element, preferably all fixing elements arranged on the tool receiving area of the first housing shell element or the second housing shell element.
  • the tool holder covers the fixing element, which connects the first housing shell element or the second Housing shell element is provided with the receiving element and / or the drive train unit and which has a main extension direction that is at least substantially parallel to the drive axis of the drive train unit.
  • the tool holder covers at least one, preferably two, ventilation openings of the first housing shell element or of the second housing shell element arranged on the tool holder area.
  • the ventilation opening is provided for supplying air to the drive train unit, in particular to the engine.
  • the tool holder is intended to suck in air, in particular at least essentially dust-free air, by rotating the tool holder and to generate an air flow into the ventilation opening.
  • a machine tool that is at least essentially free of visible fastening elements can advantageously be provided, with the tool holder having an additional function for concealing fastening elements.
  • Separate cover elements can advantageously be at least largely dispensed with and a cost-effective and compact machine tool can be provided.
  • the machine tool comprises at least one battery unit for supplying energy to the drive train unit, wherein the battery unit has at least one locking hook element for locking with the clamping element.
  • the battery unit preferably corresponds to the battery unit described above.
  • the battery unit is preferably intended to supply energy to the drive train unit.
  • the battery unit is provided to supply energy to an electronic unit of the machine tool.
  • An “electronic unit” should in particular be understood to mean a unit with at least one control electronics.
  • Control electronics is to be understood in particular as a unit with a processor unit and with a memory unit as well as with an operating program stored in the memory unit.
  • the electronic unit can in particular be designed as a circuit board, in particular with a microprocessor, an integrated circuit or the like, or comprise at least one circuit board, in particular with a microprocessor, an integrated circuit or the like.
  • the electronic unit is provided for controlling and/or regulating the drive train unit, in particular the motor of the drive train unit.
  • the machine tool comprises at least one battery contact element for electrically connecting the battery unit to the drive train unit and/or the electronics unit.
  • the locking hook element is preferably designed to be at least partially elastic.
  • the locking hook element has at least one locking hook extension for engagement in the locking recess of the clamping element.
  • the locking hook element is provided for locking with a fastening recess of the first housing shell element and/or the second housing shell element.
  • 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 one another. A space-saving and robust, in particular secure, locking of the battery unit on the handle can advantageously be made possible.
  • the invention is based on a method for assembling a machine tool, in particular a machine tool according to the invention.
  • 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 axis of the drive train unit.
  • the first housing shell element and/or the second housing shell element are attached to the drive train unit via the receiving element, in particular the locking tab, and/or via the fixing element, in particular the fixing element, which has a main extension direction that is at least substantially parallel to the drive axis of the drive train unit the drive train unit is in particular fixed to one another.
  • the first housing shell element and the second housing shell element can be fixed to one another at least essentially one behind the other, in particular to form an advantageously linear and low-weak point force transmission chain with the drive train unit.
  • the first housing shell element and the second housing shell element are connected to one another, in particular fixed to one another, at least essentially free of visible fastening elements along at least one contact line.
  • the first housing shell element and the second housing shell element are connected to one another in particular by means of fixing elements, in particular the connecting element, the snap hook element and/or the clamping element, which are arranged at least largely on the inside of the first housing shell element and/or the second housing shell element.
  • visible fixing elements are hidden 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 push-button switch of the machine tool housing.
  • the first housing shell element and the second housing shell element can be connected to one another particularly easily.
  • the at least substantially complete drive train unit is at least partially located within the first housing shell element and/or the second housing shell element on at least one receiving element which is arranged and/or can be arranged on the first housing shell element and/or on the second housing shell element, in particular one Locking tab or a bearing bridge, is attached, wherein the first housing shell element is connected to the second housing shell element by means of the receiving element.
  • the at least essentially complete drive train unit is pre-assembled, in particular at least the motor is coupled to the transmission by means of a transmission cover.
  • a receiving element which is present separately from the first housing shell element and/or the second housing shell element can be fastened to, in particular at least partially within, the first housing shell element and/or the second housing shell element, in particular with the first housing shell element and/or be screwed to the second housing shell element.
  • the pre-assembled drive train unit is at least partially inserted into the receiving element, in particular the locking tab, is inserted, whereby the locking tab extension is spread open due to the at least partially ramp-like design of the coupling element and the locking recess locks with the coupling element.
  • the drive train unit can be attached individually, in particular non-positively and/or positively, to the receiving element, in particular to the bearing bridge.
  • the receiving element can in particular be arranged at least partially within the first housing shell element and/or the second housing shell element or be present separately from the first housing shell element and the second housing shell element.
  • the components of the drive train unit can be at least partially attached to the receiving element within the first housing shell element and/or the second housing shell element.
  • the components of the drive train unit are fastened to a receiving element that is separate from the first housing shell element and the second housing shell element and that the first housing shell element and/or the second housing shell element are fastened at least partially within the at least substantially complete drive train unit in a subsequent method step of the first housing shell element and/or the second housing shell element are/will be fastened to the receiving element, in particular around the at least substantially complete drive train unit.
  • the drive train unit can advantageously simply 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 one another at least essentially free of visible fastening elements.
  • the first housing shell element is connected to the second housing shell element by means of at least one connecting element arranged on the first housing shell element and/or on the second housing shell element, at least to fix the first housing shell element and the second housing shell element is connected positively and/or non-positively to at least one further component, in particular a bearing bridge.
  • the connecting element is brought into engagement with the counter-connecting element for a positive and/or non-positive connection of the first housing shell element with the second housing shell element.
  • the connecting element is positively and/or non-positively connected to the further component, in particular to the receiving element designed as a bearing bridge.
  • first housing shell element is connected to the second housing shell element in a form-fitting and/or non-positive manner by means of the connecting element on the further component in such a way that the first housing shell element and the second housing shell element are fixed to the further component by a clamp connection.
  • a positive and/or non-positive connection of the first housing shell element to the second housing shell element can advantageously be achieved without visible fastening elements.
  • 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.
  • the locking extension of the snap hook element is brought into engagement with the counter snap hook element.
  • the first housing shell element is connected to the second housing shell element in a force-fitting and/or positive manner by means of the snap hook element.
  • a further possibility can be provided for a connection of the first housing shell element and the second housing shell element to one another that is at least essentially free of visible fastening elements.
  • the first housing shell element is connected to the second housing shell element at least at the handle by means of at least one clamping element, which is at least partially arranged within at least one wall recess of the first housing shell element and/or the second housing shell element.
  • the clamping element in particular the clamping extension of the clamping element is at least partially inserted into the wall recess.
  • the clamping element is arranged on the fastening ribs or at least partially in the clamping recess for a clamping connection of the first housing shell element with the second housing shell element.
  • the 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 to the clamping element, in particular to the locking recess of the clamping element, by means of the locking hook element.
  • an additional possibility can be provided for a connection of the first housing shell element and the second housing shell element to one another that is at least essentially free of visible fastening elements.
  • the first housing shell element and/or the second housing shell element are/will be fixed by means of at least one extension of at least one marking element, in particular formed separately from the first housing shell element and/or the second housing shell element.
  • the first housing shell element and/or the second housing shell element are/are fixed to one another and/or to at least one further component, for example the receiving element or a cover, by means of the marking element.
  • the extensions of the identification element are brought into engagement with a groove in the first housing shell element, a groove in the second housing shell element and/or a groove in the further component.
  • first housing shell element and/or the second housing shell element are magnetically fixed by means of the marking element and/or that fixing elements such as screws, connecting pins or the like are covered by means of the marking element.
  • fixing elements such as screws, connecting pins or the like are covered by means of the marking element.
  • visible fastening elements can advantageously be replaced using the marking element.
  • the first housing shell element or the second housing shell element is secured 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 form an at least substantially linear force transmission chain, wherein the fixing element has a main extension direction that is at least substantially parallel to a drive axis of the drive train unit.
  • the fixing element is arranged on the tool receiving area of the housing shell element or the second housing shell element.
  • the first housing shell element or the second housing shell element is connected to the receiving element and/or the drive train unit by means of a plurality of fixing elements, preferably with three fixing elements.
  • At least one tool holder of the machine tool housing is attached to the drive train unit, in particular without tools, at least to conceal at least one fixing element.
  • the tool holder is preferably arranged on the tool holder area and in particular attached to the drive train unit.
  • the tool holder is attached to the drive shaft or the output shaft, in particular screwed onto the drive shaft or the output shaft by means of the thread.
  • at least one fixing element preferably all fixing elements arranged on the tool receiving area, is covered by means of the tool holder.
  • at least one, preferably two, ventilation openings arranged on the tool receiving area are covered by the tool holder.
  • the machine tool housing according to the invention, the machine tool according to the invention and/or the method according to the invention should not be limited to the application and embodiment described above.
  • the machine tool housing according to the invention, the machine tool according to the invention and/or the method according to the invention can/can be one of a number of individual elements, components mentioned herein to fulfill a function of operation described herein and units and process steps have a different number.
  • values lying within the stated limits should also be considered disclosed and can be used in any way.
  • Figure 1 shows a side view of a machine tool 36a.
  • the machine tool 36a is designed as a hand-held machine tool.
  • the machine tool 36a is designed as a cordless electric hand tool.
  • the machine tool 36a is designed as an electric screwdriver, in particular as a cordless electric screwdriver.
  • the machine tool 36a includes a machine tool housing 10a.
  • the machine tool 36a and the machine tool housing 10a are shown in an assembled state.
  • the machine tool housing 10a has a first housing shell element 12a and a second housing shell element 14a.
  • the first housing shell member 12a and the second housing shell member 14a are along a contact line 20a between the first housing shell element 12a and the second housing shell element 14a are connected to one another at least essentially free of fastening elements that are visible, in particular from the outside.
  • the first housing shell element 12a and the second housing shell element 14a are fixed to one another at least substantially free of visible fastening elements along a contact line 20a between the first housing shell element 12a and the second housing shell element 14a.
  • the first housing shell element 12a and the second housing shell element 14a are connected to one another, in particular fixed to one another, along the contact line 20a, completely free of fastening elements that are visible, in particular from the outside.
  • the contact line 20a corresponds at least essentially to a course of a housing edge 80a of the first housing shell element 12a or a housing edge 82a of the second housing shell element 14a (cf. Figure 4 ).
  • 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 shape.
  • the first housing shell element 12a and the second housing shell element 14a are made of a plastic.
  • the first housing shell element 12a and/or the second housing shell element 14a are/is formed from a metal, from a composite material, in particular fiber composite material, or from another material that appears sensible to a person skilled in the art.
  • the second housing shell element 14a is formed from a material that 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 together form a housing of an electric screwdriver, in particular in a state fixed to one another.
  • the first housing shell element 12a and the second housing shell element 14a lie against each other in a precisely shaped manner, in particular like a puzzle piece, 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.
  • the first housing shell element 12a and the second housing shell element 14a lie against each other at a contact surface 16a of the first housing shell element 12a and a contact surface 18a of the second housing shell element 14a (cf. Figure 14 ).
  • the first housing shell element 12a and the second housing shell element 14a form a handle 22a at least in sections.
  • the first housing shell element 12a and the second housing shell element 14a form a pistol grip at least in sections.
  • the handle 22a is designed as a pistol grip.
  • the handle 22a is a housing area on which a user grips the machine tool 36a to use and/or operate the machine tool 36a.
  • a battery unit 62a of the machine tool 36a is removably arranged on the handle 22a.
  • a cover cap 86a of the battery unit 62a can be seen.
  • the cover cap 86a is flush with the first housing shell element 12a and with the second housing shell element 14a on the handle 22a.
  • the machine tool housing 10a has a tool holder 76a for holding an insert tool 88a of the machine tool 36a.
  • the insert tool 88a is arranged in the tool holder 76a in a replaceable manner.
  • the tool holder 76a is designed as a tool chuck.
  • the insert tool 88a is in Figure 1 exemplified 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 train unit 34a.
  • the first housing shell element 12a and the second housing shell element 14a are fixed to one another via the drive train unit 34a along a drive axis 68a of the drive train unit 34a.
  • the drive train unit 34a is intended to drive the insert tool 88a.
  • the drive train unit 34a is intended to drive the tool holder 76a, on which the insert tool 88a is arranged.
  • the powertrain unit 34a includes a motor 90a.
  • the motor 90a is designed as an electric motor.
  • the drive train unit 34a includes a transmission 92a.
  • the drive train unit 34a includes an output shaft 94a (cf. Figure 3 ).
  • the drive axis 68a of the drive train unit 34a runs at least substantially parallel, in particular coaxially, to a longitudinal axis of the output shaft 94a.
  • the drive train unit 34a is intended to rotate the insert tool 88a about the drive axle 68a.
  • the user practices while using it the machine tool 36a exerts a force along the drive axis 68a on the machine tool 36a, in particular on the insert tool 88a of the machine tool 36a.
  • the drive train unit 34a is intended to fix 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 arranged at least substantially one behind the other when viewed along the drive axis 68a, in particular on the drive train unit 34a. At least a first parting plane 38a of the machine tool housing 10a runs at least in sections, in particular on the handle 22a, transversely to the drive axis 68a (cf. Figure 5 ).
  • the first housing shell element 12a and the second housing shell element 14a are fixed to one another along the drive axis 68a by means of fixing elements 72a of the machine tool housing 10a and by means of a receiving element 70a on the drive train unit 34a and via the drive train unit 34a.
  • the fixing elements 72a preferably form at least part of the fastening elements, which are in particular not visible from the outside, by means of which at least the first housing shell element 12a and the second housing shell element 14a are connected to one another, in particular fixed to one another.
  • the machine tool housing 10a has the fixing elements 72a to form an at least substantially linear force transmission 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 bolts or the like.
  • the fixing elements 72a are intended to connect the second housing shell element 14a to the receiving element 70a and/or the drive train unit 34a.
  • the second housing shell element 14a is fixed to the drive train unit 34a by means of the fixing elements 72a.
  • the second housing shell element 14a is fixed to the transmission 92a, in particular to a transmission housing of the transmission 92a, by means of the fixing elements 72a.
  • the fixing elements 72a have a main extension direction 74a that is at least substantially parallel to the drive axle 68a of the drive train unit 34a.
  • the fixing elements 72a are arranged on a tool receiving area 96a of the second housing shell element 14a in which the tool holder 76a can be arranged.
  • the fixing elements 72a fix the second housing shell element 14a along the drive axle 68a on the drive train unit 34a.
  • an at least substantially linear force transmission chain can be formed, with a force starting from a user being transmitted at least substantially linearly via the first housing shell element 12a, the drive train unit 34a and the second housing shell element 14a to the insert tool 88a or a workpiece.
  • the tool holder 76a can be attached to the drive train unit 34a without tools. However, it is also conceivable that the tool holder 76a can be attached to the drive train unit 34a by using a fastening tool.
  • the tool holder 76a is intended to conceal the fixing elements 72a of the machine tool housing 10a.
  • the tool holder 76a is attached to the output shaft 94a.
  • the first housing shell element 12a is fixed to the drive train 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 arranged within the first housing shell element 12a.
  • the receiving element 70a is designed as a locking tab.
  • the receiving element 70a is intended to fasten the at least substantially complete drive train unit 34a at least partially within the first housing shell element 12a and/or the second housing shell element 14a and to connect the first housing shell element 12a to the second housing shell element 14a.
  • the machine tool 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 in one piece with the first housing shell element 12a. Alternatively, it is conceivable that the receiving element 70a is connected to the first housing shell element 12a in a force-fitting and/or positive manner, in particular by a screw connection.
  • the receiving element 70a designed as a locking tab, is provided for fastening the drive train unit 34a, with at least essentially all components of the drive train unit 34a being connected to one another.
  • the receiving element 70a is intended for a non-positive and/or positive connection with at least one, preferably a single, component Drive train unit 34a is provided, via which at least essentially all components of the drive train unit 34a are fixed to one another.
  • the receiving element 70a is intended to lock with the component of the drive train unit 34a, via which at least essentially all components of the drive train unit 34a are fixed to one another.
  • the receiving element 70a is designed to be at least partially elastic.
  • the receiving element 70a has two locking tab extensions 98a.
  • the two locking tab extensions 98a are arranged symmetrically to one another.
  • the locking tab extensions 98a are intended to fix the at least essentially complete drive train unit 34a.
  • a locking recess 100a is arranged on each of the locking tab extensions 98a.
  • the drive train unit 34a has two coupling elements 102a.
  • the coupling elements 102a are designed as latching elements.
  • the coupling elements 102a are intended to lock with the locking tab extensions 98a, in particular with the locking recesses 100a.
  • the coupling elements 102a act as locking recesses, in particular for latching with the receiving element 70a, as screws or threads, in particular for screwing with the receiving element 70a, as plug-in elements or plug-in receptacles, in particular for a plug-in connection with the receiving element 70a, are designed as clamping elements or clamping recesses, in particular for a clamping connection with the receiving element 70a, or as other coupling elements 102a that appear useful to a person skilled in the art.
  • 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 transmission cover 104a of the drive train unit 34a.
  • the coupling elements 102a are arranged symmetrically to one another on two outer sides of the gear cover 104a facing away from one another.
  • the coupling elements 102a are formed in one piece with the gear cover 104a.
  • the gearbox cover 104a is intended to fix the motor 90a to the gearbox 92a.
  • the coupling elements 102a are designed like a ramp, at least in sections.
  • the coupling elements 102a are designed in a ramp-like manner at least in sections to spread the locking tab extensions 98a. In each case one of the coupling elements 102a is provided for latching with a locking tab extension 98a, in particular with a respective locking recess 100a.
  • the receiving element 70a is one, In particular, a non-positive and/or positive connection of the first housing shell element 12a to the second housing shell element 14a is provided.
  • the first housing shell element 12a and the second housing shell element 14a are fixed to one another via the receiving element 70a.
  • the receiving element 70a is formed in one piece with the first housing shell element 12a and the second housing shell element 14a is non-positively and/or positively connected to the receiving element 70a via the fixing elements 72a and the drive train unit 34a and is fixed to the first housing shell element 12a.
  • the machine tool 36a has an electronics unit 106a.
  • the electronic unit 106a is designed as a circuit board with a microprocessor, an integrated circuit or the like.
  • the electronics unit 106a is intended to control and/or regulate the drive train unit 34a, in particular the motor 90a of the drive train unit 34a.
  • the electronics unit 106a is arranged on a carrier unit 108a of the machine tool 36a.
  • the carrier unit 108a is intended to accommodate the electronics unit 106a and a switch unit 110a of the machine tool 36a.
  • the first housing shell element 12a has mounting extensions 112a.
  • the mounting extensions 112a are provided for an arrangement of the carrier unit 108a with the electronics 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.
  • the fastening receptacle 114a is provided for fixing the carrier unit 108a, in particular the switch unit 110a arranged on the carrier unit 108a, on the first housing shell element 12a.
  • the fastening receptacle 114a is intended to fix the second housing shell element 14a to the first housing shell element 12a.
  • the fastening receptacle 114a is designed like a tube.
  • a further fixing element 116a of the machine tool housing 10a can be inserted into the fastening receptacle 114a.
  • 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 covered in an assembled state of the machine tool 36a by an actuation switch 84a of the machine tool 36a.
  • the actuation switch 84a is arranged on the switch unit 110a in a mounted state of the machine tool 36a.
  • the machine tool 36a includes an accumulator contact element 118a.
  • the battery contact element 118a is intended to realize an electrical connection of the battery unit 62a with the drive train unit 34a and with the electronics unit 106a.
  • the accumulator contact element 118a is arranged in a mounted state of the machine tool 36a on the first housing shell element 12a, in particular within the first housing shell element 12a.
  • Figure 3 shows part of the machine tool 36a in a perspective view.
  • the first housing shell element 12a is shown.
  • the drive train unit 34a, the carrier unit 108a with the electronics unit 106a and the switch unit 110a and the battery contact element 118a are arranged on the first housing shell element 12a.
  • the coupling elements 102a of the drive train unit 34a are locked with the locking tab extensions 98a, in particular with the locking recesses 100a.
  • the output shaft 94a is arranged on the transmission 92a.
  • the output shaft 94a has a thread 120a.
  • the tool holder 76a can be screwed onto the output shaft 94a using the thread 120a.
  • the machine tool 36a includes an actuating element 122a.
  • the actuating element 122a is intended for a selection of rotation direction modes and/or speed modes of the drive train unit 34a.
  • the actuating element 122a is designed as a rotating ring.
  • the actuating element 122a is arranged in a ring shape around the gear 92a.
  • the actuating element 122a is movable on a spring 124a of the machine tool 36a, in particular rotatably movable about the drive axis 68a, mounted on the gear 92a.
  • the machine tool 36a has a displacement element 126a.
  • the displacement element 126a is designed as a displacement ring.
  • the displacement element 126a is arranged in a ring shape around the gear 92a.
  • the displacement element 126a is movable on the spring 124a, in particular movable axially along the drive axis 68a, mounted on the gear 92a.
  • the actuating element 122a is provided for displacing the displacing element 126a to actuate the displacing element 126a.
  • the displacement element 126a is for displacement a switching wheel (not shown), in particular a ring gear, of the transmission 92a is provided, which is provided for switching at least the speed modes of the drive train unit 34a, in particular of the transmission 92a.
  • Figure 4 shows an exploded view of the machine tool housing 10a in a perspective view.
  • the contact line 20a corresponds at least substantially to a course of the housing edge 80a of the first housing shell element 12a and a course of the housing edge 82a of the second housing shell element 14a.
  • the housing edge 80a of the first housing shell element 12a has a course that corresponds to a course 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 against each other in a precisely shaped manner, in particular like a puzzle piece, 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.
  • the handle 22a is designed to be at least substantially free of separating edges at least on a side 26a facing a tool side 24a and/or a side 28a facing away from the handle 22a.
  • the handle 22a is designed to be free of separating edges on the side 26a facing the tool side 24a and on the side 28a of the handle 22a facing away from the tool side 24a.
  • the side 26a of the handle 22a facing the tool side 24a is formed by the second housing shell element 14a.
  • the side 28a of the handle 22a facing away from the tool side 24a is formed by the first housing shell element 12a.
  • the tool side 24a of the machine tool housing 10a is an outside of the second housing shell element 14a, which is intended to accommodate the tool holder 76a in an assembled state of the machine tool housing 10a.
  • the user can exert a force in the direction of the tool side 24a, in particular transversely to a main extension plane of the tool side 24a, in particular via the handle 22a.
  • the handle 22a has a separating edge 30a on a first outside 128a that is at least substantially perpendicular to that of the tool side 24a facing side 26a of the handle 22a is aligned.
  • the handle 22a has the separating edge 30a on a second outside 130a, which is aligned at least substantially perpendicular to the side 26a of the handle 22a facing the tool side 24a.
  • the first outside 128a of the handle 22a faces away from the second outside 130a of the handle 22a.
  • the separating edge 30a runs at least in sections in a meandering manner.
  • the first housing shell element 12a and the second housing shell element 14a are connected to one another along the meandering separating edge 30a at least to form a housing region 32a for receiving the drive train unit 34a of the machine tool 36a.
  • a course of the separating edge 30a corresponds at least essentially to the contact line 20a.
  • the first housing shell element 12a and the second housing shell element 14a are connected to one another along the separating edge 30a to form the handle 22a.
  • the separating edge 30a runs at least essentially linearly on the handle 22a.
  • the meandering course of the separating edge 30a is designed differently from a linear course of the separating edge 30a.
  • the separating edge 30a runs curved at least in sections on the housing area 32a to accommodate the drive train unit 34a.
  • the separating edge 30a runs at least once in an arc shape in the housing area 32a to accommodate the drive train unit 34a.
  • the separating edge 30a extends in several arcs in the housing area 32a to accommodate the drive train unit 34a.
  • a first separating edge section 132a of the separating edge 30a which opens directly into an arcuate course of the separating edge 30a, closes with a second separating edge section 134a of the separating edge 30a, which directly adjoins the arcuate course of the separating edge 30a, in particular at an angle greater than 45 °, preferably an angle greater than 90 ° and particularly preferably an angle greater than 120°.
  • the first separating edge section 132a which opens directly into the arcuate course of the separating edge 30a, closes with the second separating edge section 134a, which directly adjoins the arcuate course of the separating edge 30a, in particular at an angle smaller than 180°, preferably an angle smaller than 160° and particularly preferably an angle smaller as 140°.
  • the separating edge 30a runs at least essentially along a first outside 136a of the machine tool housing 10a.
  • the separating edge 30a runs along a second, the first outside 136a of the Machine tool housing 10a facing away from the outside 138a of the machine tool housing 10a at least substantially symmetrical to a course along the first outside 136a of the machine tool housing 10a.
  • the machine tool housing 10a includes an identification element 64a.
  • the identification element 64a is formed separately from the first housing shell element 12a and from the second housing shell element 14a.
  • the identification element 64a is intended to identify the machine tool housing 10a or the machine tool 36a, in particular as belonging to a specific series of machine tools 36a.
  • the identification element 64a is designed as a static identification element 64a.
  • the identification element 64a is intended for change-free identification.
  • the identification element 64a is designed to be at least essentially energy-free.
  • the identification element 64a has a first surface structuring 140a.
  • the first surface structuring 140a is designed as a silver coating of the identification element 64a.
  • the identification element 64a has a second surface structuring 142a.
  • the second surface structuring 142a is designed as an embossing of the identification element 64a.
  • the identification element 64a is at least essentially designed like a clasp.
  • the identification element 64a is curved at least in sections.
  • 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 made of a metal, in particular of spring steel.
  • the identification element 64a is arranged on a top side 144a of the machine tool housing 10a.
  • the machine tool housing 10a has two connecting pins 146a.
  • the connecting pins 146a are intended to connect the second housing shell element 14a to a cover 148a of the machine tool housing 10a and to the first housing shell element 12a.
  • the machine tool housing 10a is formed free of the connecting pins 146a and the first housing shell element 12a is connected to the second housing shell element 50a via other fastening elements.
  • the aperture 148a is on the top 144a of the machine tool housing 10a.
  • the identification element 64a and the cover 148a are intended to cover the connecting pins 146a.
  • Figure 5 shows another exploded view of the machine tool housing 10a in a perspective view.
  • the separating edge 30a runs in at least two mutually angled separating planes 38a, 40a, 42a, 44a, 46a between the first housing shell element 12a and the second housing shell element 14a.
  • a separating 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 runs and which is in particular aligned at least substantially perpendicular to a contacting direction along which 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 towards one another.
  • the separating edge 30a runs from a battery receiving opening 150a of the handle 22a on the first outside 128a of the handle 22a starting to the battery receiving opening 150a on the second outside 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.
  • the second parting plane 40a is angled to the first parting plane 38a at an angle greater than 45°, preferably at an angle greater than 90° and particularly preferably at an angle greater than 120°.
  • the second parting plane 40a is at an angle smaller than 180° to the first parting plane 38a, preferably angled at an angle smaller than 160° and particularly preferably at an angle smaller than 140°.
  • the third parting plane 42a is angled to the second parting plane 40a, the fourth parting plane 44a to the third parting plane 42a and the fifth parting plane 46a to the fourth parting plane 44a.
  • Figure 6 shows a frontal view of a part of the machine tool 36a in a perspective view.
  • the tool side 24a of the machine tool housing 10a is shown.
  • the tool receiving area 96a is shown.
  • the tool receiving area 96a is essentially designed like a circular surface.
  • the output shaft 94a runs through a center point of the tool receiving area 96a.
  • the fixing elements 72a are arranged around the center.
  • One of the fixing elements 72a is arranged at a corner point of an imaginary equilateral triangle, through whose center the output shaft 94a extends.
  • Two ventilation openings 152a of the second housing shell element 14a are arranged on the tool receiving area 96a.
  • the ventilation openings 152a are provided for supplying air to the drive train unit 34a, in particular to the engine 90a.
  • the ventilation 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 76a is intended to cover the ventilation openings 152a when arranged on the output shaft 94a.
  • the tool holder 76a is intended to suck in air, in particular at least essentially dust-free air, by rotating the tool holder 76a and to generate an air flow into the ventilation openings 152a.
  • the air flow is directed to the drive train unit 34a, in particular through a labyrinth-like air flow guide.
  • the air flow is intended to cool the drive train unit 34a, in particular the motor 90a.
  • FIG. 7 shows a top view of the machine tool 36a in a perspective view.
  • the top 144a of the machine tool housing 10a is shown.
  • the identification element 64a is from the first housing shell element 12a viewed along the drive axis 68a in the direction of the tool holder 76a arranged behind the actuating element 122a.
  • 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 designed 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 arranged in front of the actuating element 122a, viewed from the first housing shell element 12a along the drive axis 68a in the direction of the tool holder 76a.
  • the air outlet opening 154a of the first housing shell element 12a is intended to allow the air flow to escape from the machine tool housing 10a for cooling the drive train unit 34a.
  • 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 out of the machine tool housing 10a through the air outlet opening 154a of the first housing shell element.
  • the second housing shell element 14a has two air outlet openings 166a, in particular designed as ventilation slots.
  • One air outlet opening 166a of the second housing shell element 14a is arranged on the first outside 136a of the machine tool housing 10a and on the second outside 138a of the machine tool housing 10a. Due to the perspective representation in Figure 7 only the air outlet opening 166a of the second housing shell element 14a arranged on the first outside 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 battery contact element 118a of the machine tool 36a in a perspective view.
  • the battery unit 62a is designed as a battery pack. Alternatively, it is conceivable that the battery unit 62a is designed as a capacitor, as a connecting plug for coupling to a power grid or the like is.
  • the battery unit 62a is intended for attachment to the handle 22a at least partially within the first housing shell element 12a and the second housing shell element 14a.
  • the battery unit 62a is intended to be locked with at least one clamping element 54a of the machine tool housing 10a on the handle 22a.
  • the battery unit 62a has at least one locking hook element 78a for locking with the clamping element 54a.
  • the battery unit 62a has two locking hook elements 78a. Due to the perspective representation, in Figure 8 only one of the locking hook elements 78a is shown.
  • the locking hook elements 78a are designed to be at least partially elastic.
  • the locking hook elements 78a are arranged on two sides of the battery unit 62a facing away from each other.
  • the locking hook elements 78a are attached to the cover cap 86a between the cover cap 86a and a battery cell 158a of the battery unit 62a.
  • the machine tool housing 10a has two clamping elements 54a. Due to the perspective representation, in Figure 8 only one of the clamping elements 54a is shown.
  • the clamping elements 54a are provided at least on the handle 22a for a clamping connection of the first housing shell element 12a with the second housing shell element 14a.
  • the clamping elements 54a are at least essentially horseshoe-shaped. Alternatively, it is conceivable that the clamping elements 54a are at least essentially C-shaped, U-shaped, L-shaped, semi-ring-shaped or the like.
  • the clamping elements 54a are formed separately from the first housing shell element 12a and the second housing shell element 14a.
  • the clamping elements 54a are at least partially elastic.
  • the clamping elements 54a have finger-like clamping extensions 160a.
  • the clamping elements 54a are formed from 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 locking recess 60a for locking the battery unit 62a on the handle 22a.
  • the locking recess 60a is an at least substantially rectangular recess in a locking extension 162a of the clamping elements 54a trained.
  • the locking hook elements 78a are designed to be detachable and lockable in the locking recesses 60a.
  • the locking hook elements 78a each have a locking hook extension 164a for engagement in the locking recesses 60a of the clamping elements 54a.
  • the locking recesses 60a and the locking hook extensions 164a have shapes that correspond to one another.
  • the locking hook elements 78a are provided for locking with a fastening recess of the first housing shell element 12a and/or the second housing shell element 14a.
  • the battery unit 62a is shown in a state connected to the battery contact element 118a.
  • the battery contact element 118a is connected to the battery unit 62a at an end of the battery unit 62a facing away from the cover cap 86a.
  • the battery contact element 118a has contact extensions 168a.
  • the accumulator contact element has four contact extensions 168a.
  • the contact extensions 168a are intended to realize an electrical connection with the electronic unit 106a.
  • Figure 9 shows the machine tool 36a in another perspective view.
  • the battery unit 62a is not shown for the sake of clarity.
  • the clamping element 54a is arranged on the handle 22a.
  • the battery unit 62a can be at least partially inserted into the handle 22a through the battery receiving opening 150a to lock it with the clamping elements 54a.
  • Figure 10 shows a sectional view of the handle 22a of the machine tool housing 10a in a perspective view. Part of the handle 22a is shown in an area of the battery receiving opening 150a. The battery unit 62a is shown in a locked state with the clamping element 54a. The battery cell 158a is not shown for the sake of clarity.
  • the first housing shell element 12a has a clamping recess 170a.
  • the second housing shell element 14a has a clamping recess 172a.
  • a clamping extension 160a of the clamping element 54a is inserted into the clamping recess 170a of the first housing shell element 12a and into the clamping recess 172a of the second housing shell element 14a to fix the clamping element 54a first housing shell element 12a and the second housing shell element 14a are inserted together.
  • the clamping recess 170a of the first housing shell element 12a is designed as a partial recess in the first housing shell element 12a.
  • the clamping recess 172a of the second housing shell element 14a is designed as a partial recess in the second housing shell element 14a.
  • the clamping recesses 170a, 172a are designed to correspond to a shape of the clamping extensions 160a.
  • the clamping recess 170a of the first housing shell element 12a is arranged on an inside 174a of the first housing shell element 174a.
  • the clamping recess 172a of the second housing shell element 14a is arranged on an inside 176a of the second housing shell element 14a.
  • the first housing shell element 12a has a further clamping recess 170a for receiving another of the clamping elements 54a.
  • the second housing shell element 14a has a further clamping recess 172a for receiving the further 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.
  • the locking hook extension 164a is locked to the locking recess 60a.
  • the locking hook extension 164a engages with the locking recess 60a.
  • the locking hook extension 164a extends through the locking recess 60a.
  • FIG 12 shows a first alternative of a handle 22a 'in a perspective view.
  • Two alternative clamping elements 54a' are arranged on the handle 22a'.
  • the clamping elements 54a' are designed to be free of locking recesses.
  • the clamping elements 54a' are each arranged in a wall recess 56a of a first housing shell element 12a' and a wall recess 58a of a second housing shell element 14a'.
  • the wall recesses 56a, 58a have shapes that are at least essentially analogous to the clamping recesses 170a, 172a.
  • Clamping extensions 160a' of the clamping elements 54a' can be inserted into the wall recesses 56a, 58a.
  • the first housing shell element 12a' has two wall 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 essentially closed except for insertion openings 178a of the first housing shell element 12a', through which the clamping extensions 160a' can be inserted.
  • the wall recesses 58a of the second housing shell element 14a' are at least essentially closed except for insertion openings 180a of the second housing shell element 14a', through which the clamping extensions 160a' can be inserted.
  • the wall recesses 56a of the first housing shell element 12a' or the wall recesses 58a of the second housing shell element 14a' are designed as cavities in a wall of the first housing shell element 12a' or the second housing shell element 14a'.
  • Figure 13 shows a second alternative of a handle 22a" in a perspective view.
  • An alternative clamping element 54a” is arranged on the handle 22a".
  • the clamping element 54a" is designed to be free of a locking recess.
  • the clamping element 54a” is designed like a clamp.
  • the clamping element 54a” is intended to hold together a first housing shell element 12a" and a second housing shell element 14a” by a clamping action of the clamping element 54a”.
  • 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 inside 174a" of the first housing shell element 12a".
  • the fastening rib 184a of the second housing shell element 14a" is arranged on an inside 176a" of the second housing shell element 14a".
  • the clamping element 54a" is designed to be pushable onto the fastening ribs 182a, 184a.
  • the clamping element 54a" pushed onto the fastening ribs 182a, 184a exerts, in particular by means of the clamping extensions 160a", a clamping effect at least substantially perpendicular to the first parting plane 38a on the fastening ribs 182a, 184a, through which the first housing shell element 12a" and the second housing shell element 14a" can be fixed together.
  • Figure 14 shows an additional exploded view of the machine tool housing 10a in a perspective view.
  • the first housing shell element 12a and the second housing shell element 14a are at least partially shown.
  • the first housing shell element 12a and the second housing shell element 14a lie against one another via the contact surface 16a of the first housing shell element 12a and the contact surface 18a of the second housing shell element 14a.
  • the contact surface 16a of the first housing shell element 12a or the contact surface 18a of the second housing shell element 14a is determined 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 housing shell element 12a or .spanned by a wall thickness 188a of the second housing shell element 14a.
  • the housing edge 80a of the first housing shell element 12a or the housing edge 82a of the second housing shell element 14a delimits the first housing shell element 12a or 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 is aligned at least substantially perpendicular to the housing edge 82a and the wall thickness 188a of the second housing shell element 14a.
  • 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 includes two snap hook elements 50a arranged on the first housing shell element 12a.
  • the machine tool housing 10a comprises two counter-snapping hook elements 190a which are arranged on the second housing shell element 14a and correspond to the snap hook elements 50a.
  • the snap hook elements 50a are arranged on the inside 174a of the first housing shell element 12a.
  • the counter snap hook elements 190a are arranged on the inside 176a of the second housing shell element 14a.
  • the snap hook elements 50a are cohesively connected to the first housing shell element 12a.
  • the snap hook elements 50a are connected in one piece to the first housing shell element 12a.
  • the snap hook elements 50a are designed to be at least partially elastic.
  • the snap hook elements 50a each have a locking extension 192a.
  • the locking extensions 192a can be brought into engagement with the counter snap hook elements 190a.
  • the counter snap hook elements 190a are designed as locking recesses in the second housing shell element 14a.
  • the snap connection between the first housing shell element 12a and the second housing shell element 14a is designed as a positive and/or non-positive connection.
  • the snap hook members 50a are formed from a material different from a material of the first housing shell member 12a and the second housing shell member 14a.
  • the snap hook elements 50a are made of a metal, in particular a spring steel.
  • Figure 15 shows the identification element 64a in a perspective view.
  • the identification 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 identification element 64a has two extensions 66a.
  • the identification element 64a is provided for fixing the first housing shell element 12a and/or the second housing shell element 14a to one another and/or to at least one further component, for example the cover 148a.
  • the extensions 66a are designed as at least partial bends of the marking element 64a.
  • the extensions 66a are designed as at least substantially vertical bends of the identification element 64a.
  • the identification element 64a has the second surface structuring 142a in the middle.
  • Figure 16 shows a sectional view of a part of the machine tool 36a in a perspective view. Part of the top 144a of the machine tool housing 10a is shown.
  • the marking element 64a is intended to engage with 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 used to fix the first housing shell element 12a and the second housing shell element 14a are provided 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 identification element 64a fixes the cover 148a on the second housing shell element 14a.
  • the marking element 64a engages with one of the extensions 66a in a groove 196a of the cover 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 cover 148a run at least substantially perpendicular to the drive axis 68a.
  • the identification element 64a is designed magnetically to magnetically fix the first housing shell element 12a and/or the second housing shell element 14a.
  • 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 train unit 34a and via the drive train unit 34a.
  • 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 essentially free of visible fastening elements, in particular fixed to one another.
  • the first housing shell element 12a and the second housing shell element 14a are connected to one another by means of fastening components arranged at least largely on the inside 174a of the first housing shell element 12a and/or on the inside 176a of the second housing shell element 14a, in particular the snap hook elements 50a and the clamping elements 54a.
  • visible fastening components are secured by means of further components of the machine tool 36a or the machine tool housing 10a, in particular by means of the identification element 64a, by means of the tool holder 76a and by means of the actuation switch 84a.
  • the at least substantially complete drive train unit 34a is at least partially within the first housing shell element 12a and/or the second housing shell element 14a on the receiving element 70a which is arranged and/or can be arranged on the first housing shell element 12a and/or on the second housing shell element 14a. in particular the locking tab or a bearing bridge, fastened, the first housing shell element 12a being connected to the second housing shell element 14a by means of the receiving element 70a.
  • the at least essentially complete drive train unit 34a is pre-assembled.
  • the motor 90a is coupled to the transmission 92a by means of the transmission cover 104a.
  • a receiving element that is present separately from the first housing shell element 12a and/or the second housing shell element 14a can be fastened to, in particular at least partially within, the first housing shell element 12a and/or the second housing shell element 14a, in particular with the first housing shell element 12a and/or the second housing shell element 14a are screwed.
  • the pre-assembled drive train unit 34a is at least partially inserted into the receiving element 70a, with the locking tab extensions 98a being spread open due to the at least partially ramp-like design of the coupling elements 102a and the locking recesses 100a locking with the coupling elements 102.
  • the first housing shell element 12a is connected to the second housing shell element 14a by means of 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 snap hook elements 50a arranged on the first housing shell element 12a.
  • the locking extensions 192a of the snap hook elements 50a are connected to the counter snap hook elements 190a engaged.
  • the first housing shell element 12a is connected to the second housing shell element 14a in a force-fitting and/or positive manner by means of the snap hook elements 50a.
  • the first housing shell element 12a is secured at least to the handle 22a' by means of the clamping element 54a', which is at least partially arranged within at least one wall recess 56a, 58a of the first housing shell element 12a' and/or the second housing shell element 14a' second housing shell element 14a 'connected.
  • 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.
  • the clamping element 54a" is arranged on the fastening ribs 182a, 184a for a clamping connection of the first housing shell element 12a" with the second housing shell element 14a".
  • the clamping element 54a is at least partially arranged in the clamping recesses 170a, 172a
  • 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.
  • the first housing shell element 12a and/or the second housing shell element 14a are fixed by means of the extension 66a of the marking element 64a, which is in particular formed separately from the first housing shell element 12a and/or the second housing shell element 14a.
  • the second housing shell element 14a is fixed to the cover 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 cover 148a.
  • the first housing shell element 12a and/or the second housing shell element 14a are magnetically fixed by means of the marking element 64a.
  • the first housing shell element 12a or the second housing shell element 14a is connected to the receiving element 70a and/or the drive train unit 34a by means of at least one fixing element 72a, in particular a screw, in particular to form an at least substantially linear force transmission chain, wherein the fixing element 72a has a main extension direction 74a that is at least substantially parallel to the drive axle 68a of the drive train unit 34a.
  • the second housing shell element 14a is connected to the drive train unit 34a by means of three fixing elements 72a.
  • the fixing elements 72 are arranged on the tool receiving area 96a.
  • the tool holder 76a of the machine tool housing 10a is attached to the drive train unit 34a, in particular without tools, at least to conceal at least one fixing element 72a.
  • the tool holder 76a is arranged on the tool holder area 96a and attached to the drive train unit 34a.
  • the tool holder 76a is attached to the output shaft 94a, in particular screwed onto the output shaft 94a by means of the thread 120a.
  • all fixing elements 72a arranged on the tool holder area 96a are covered.
  • two ventilation openings 152a arranged on the tool holder area 96a are covered.
  • Figure 17 shows a side view of a first alternative machine tool 36b.
  • the machine tool 36b is designed as a jigsaw.
  • the machine tool 36b has a machine tool housing 10b.
  • the machine tool housing 10b includes a first housing shell element 12b and a second housing shell element 14b.
  • the machine tool housing 10b has a third housing shell element 198b.
  • the third housing shell element 198b is connected to the first housing shell element 12b and to the second housing shell element 14b.
  • the second housing shell element 14b and the first housing shell element 12b are connected to one another 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 substantially free of visible fastening elements, in particular fixed 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 a handle 22b at least in sections.
  • the handle 22b is designed to be at least substantially free of separating edges on a side 26b facing a tool side 24b and on a side 28b of the handle 22b facing away from the tool side 24b.
  • the third housing shell element 198b is arranged on the tool side 24b of the machine tool housing 10b.
  • the third housing shell element 198b at least essentially forms a tool receiving area 96b.
  • the machine tool housing 10b includes a sliding plate 200b.
  • the sliding plate 200b is intended to rest against a workpiece and to slide along the workpiece during use of the machine tool 36b.
  • the sliding plate 200b is arranged on the third housing shell member 198b.
  • the sliding plate 200b is on one of the first housing shell members 12b and the side of the third housing shell element 198b facing away from the second housing shell element 14b.
  • the third housing shell member 198b is arranged between the first housing shell member 12b, the second housing shell member 14b and the sliding plate 200b.
  • a connection point between the second housing shell element 14b and the third housing shell element 198b is covered by a marking element 64b of the machine tool housing 10b.
  • FIG 18 shows an exploded view of the machine tool housing 10b in a perspective view.
  • the machine tool housing 10b includes a receiving element 70b.
  • the receiving element 70b can be arranged at least partially within the first housing shell element 12b, the second housing shell element 14b and the third housing shell element 198b.
  • the machine tool housing 10b includes an actuation switch 84b.
  • the actuation switch 84b can be arranged on the receiving element 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 intended to accommodate components of a drive train unit 34b of the machine tool 36b on the receiving element 70b.
  • Figure 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, which at least serves to ensure a positive and/or non-positive connection of the first housing shell element 12b to the second housing shell element 14b, at least to fix the first Housing shell element 12b and the second housing shell element 14b is provided on at least one further component, in particular a bearing bridge.
  • the machine tool housing 10b includes four connecting elements 48b.
  • the connecting elements 48b are arranged on the first housing shell element 12b.
  • the connecting elements 48b are provided for a positive and/or non-positive connection of the first housing shell element 12b with the second housing shell element 14b for fixing the first housing shell element 12b and the second housing shell element 14b on the receiving element 70b.
  • the connecting elements 48b connect the first housing shell element 12b in a positive and/or non-positive manner with the receiving element 70b and the second housing shell element 14b.
  • the connecting element 48b connects the first housing shell element 12b to the receiving element 70b in a form-fitting and/or non-positive manner with the second housing shell element 14b in such a way that the first housing shell element 12b and the second housing shell element 14b are fixed to the receiving element 70b by a clamp connection.
  • the connecting elements 48b are arranged on an inside 174b of the first housing shell element 12b.
  • the connecting elements 48b are arranged at a distance from one another when viewed along a housing edge 80b of the first housing shell element 12b.
  • Two of the connecting elements 48b are arranged opposite one another and symmetrically to one another on the inside 174b of the first housing shell element 12b.
  • the connecting elements 48b are formed in one piece 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 shell receiving extensions 206b.
  • the housing shell receiving extensions 206b are provided for fixing the first housing shell element 12b on the receiving element 70b.
  • One of the connecting elements 48b can be received at least partially by one of the housing shell receiving extensions 206b in a positive and/or non-positive manner.
  • the connecting elements 48b can be at least partially inserted into the housing shell receiving extensions 206b.
  • Two of the housing shell receiving extensions 206b are arranged on a first side of the receiving element 70b that is oriented towards a first outside 136b of the machine tool housing 10b.
  • the two housing shell receiving extensions 206b are arranged at a distance from one another when viewed along a main extension direction 208b of the receiving element 70b. There are at least two more housing shell receiving extensions 206b arranged substantially symmetrically to the two housing shell receiving extensions 206b on a second side of the receiving element 70b oriented towards a second outside 138b of the machine tool housing 10b.
  • 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 arranged on a side 210b of the third housing shell element 198b facing away from the sliding plate 200b.
  • the third housing shell element 198b is connected to the first housing shell element 12b and to the second housing shell element 14b on the side 210b of the third housing shell element 198b facing away from the sliding plate 200b.
  • the further snap hook element 52b is designed at least essentially analogously to the snap hook element 50a of the machine tool housing 10a of the first exemplary embodiment.
  • Figure 20 shows the receiving element 70b in a perspective view.
  • the at least essentially complete drive train unit 34b is arranged on the receiving element 70b.
  • the sliding plate 200b is arranged on the receiving element 70b.
  • a motor 90b, a gearbox 92b and an output shaft 94b of the drive train unit 34b are arranged on the receiving element 70b.
  • the drive train unit 34b includes an air duct 212b arranged on the receiving element 70b.
  • the air duct 212b is intended to lead exhaust air out of the machine tool housing 10b and to direct the exhaust air in the direction of a tool holder 76b of the machine tool housing 10b.
  • the air duct 212b surrounds the motor 90b at least substantially completely, in particular in an area of a fan wheel (not shown here) of the drive train unit 34b.
  • the air duct 212b is at least partially arranged in a ring shape around the motor 90b.
  • the air duct 212b is intended to suck in the air by means of the fan wheel, in particular via a ventilation opening 152b in an area of the further snap hook element 52b, and through the motor 90b Guided air on the side of the motor 90b facing the fan wheel is to be directed at least partially in the direction of the tool holder 76b.
  • the air duct 212b comprises a blow-out opening which faces the tool holder 76b, in particular is directed towards it.
  • a carrier unit 108b is arranged on the receiving element 70b.
  • An electronics unit 106b is arranged on the carrier unit 108b.
  • a battery contact element 118b is arranged on the receiving element 70b.
  • the carrier unit 108b with the electronics unit 106b is arranged behind the motor 90b.
  • the motor 90b is arranged behind the actuation switch 84b.
  • the actuation switch 84b is arranged behind the battery contact element 118b.
  • the machine tool 36b includes a cable 214b.
  • the cable 214b electrically connects the electronics unit 106b to the battery contact element 118b.
  • the receiving element 70b is designed to be at least partially electrically conductive for an electrical connection of the components of the machine tool 36b.
  • Figure 21 shows a top view of the machine tool 36b in a schematic sectional view.
  • the first housing shell element 12b is connected to the second housing shell element 14b by means of the connecting elements 48b and is fixed to the receiving element 70b.
  • the connecting elements 48b are designed as grooves.
  • the machine tool housing 10b includes four mating connecting elements 216b. In Figure 21 only two of the counter-connecting elements 216b are shown.
  • the counter-connecting elements 216b are arranged on the second housing shell element 14b.
  • the counter-connecting elements 216b are arranged on an inside 176b of the second housing shell element 14b.
  • the counter-connecting elements 216b are formed in one piece with the second housing shell element 14b.
  • the counter-connecting elements 216b are designed as springs.
  • the counter-connecting elements 216b are provided as counterparts to the connecting elements 48b.
  • one of the connecting elements 48b is intended for 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 counter-connecting elements 216b can be brought into engagement.
  • the counter-connecting elements 216b are designed to correspond to the connecting elements 48b.
  • the second housing shell element 14b is fixed to the receiving element 70b by means of two fixing elements 72b of the machine tool housing 10b.
  • the fixing elements 72b are designed as screws.
  • the fixing elements 72b are covered by the identification element 64b.
  • the second housing shell element 14b is fixed to the receiving element 70b only by means of the counter-connecting elements 216b and the connecting elements 48b.
  • the identification element 64b has extensions which, instead of the fixing elements 72b, fix the second housing shell element 14b to the receiving element 70b and/or to the first housing shell element 12b.
  • Figure 22 shows a side view of the machine tool 36b in a schematic sectional view.
  • the machine tool housing 10b has a further counter-snapping hook element 218b.
  • the further counter-snap hook element 218b is arranged on the inside 174b of the first housing shell element 12b.
  • the further snap hook element 52b has a locking extension 220b.
  • the further locking extension 220b is in engagement with the further counter-snapping hook element 218b.
  • the further counter-snapping hook element 218b is designed as a locking recess in the first housing shell element 12b.
  • the further counter-snap hook element 218b is designed at least essentially analogously to the counter-snap hook element 190a of the first exemplary embodiment.
  • a method for assembling the machine tool 36b is described below.
  • additional and/or different method steps are used, in particular based on Figures 17 to 22 , described.
  • the first housing shell element 12b and the second housing shell element 14b are connected to one another along the contact line 20b, at least essentially free of visible fastening elements, in particular fixed to one another.
  • the third housing shell element 198b is connected to the first Housing shell element 12b and connected to the second housing shell element 14b along the contact line 20b at least substantially free of visible fastening elements, in particular fixed to the first housing shell element 12b and to the second housing shell element 14b.
  • the third housing shell element 198b is fixed to the first housing shell element 12b by means of the further snap hook element 52b.
  • 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.
  • the third housing shell element 198b is fixed to the second housing shell element 14b by means of the marking element 64b.
  • the at least substantially complete drive train unit 34b is at least partially located 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 , attached, wherein the first housing shell element 12b is connected to the second housing shell element 14b by means of the receiving element 70b.
  • the at least substantially complete drive train unit 34b is at least partially arranged within the first housing shell element 12b, the second housing shell element 14b and the third housing shell element 198b.
  • At least essentially all components of the drive train unit 34b are individually fastened to the receiving element 70b in a non-positive and/or positive manner.
  • the components of the drive train unit 34b are attached to the receiving element 70b, which is separate from the first housing shell element 12b, the second housing shell element 14b and the third housing shell element 198b.
  • the first housing shell element 12b and the second housing shell element 14b are fastened at least partially within the first housing shell element 12b and the second housing shell element 14b to the receiving element 70b around the at least substantially complete drive train unit 34b in a following method step for fastening the at least substantially complete drive train unit 34b .
  • the first housing shell element 12b is attached to the receiving element 70b, in particular to the housing shell receiving extensions 206b, by means of the connecting elements 48b.
  • the second housing shell element 14b is attached to the receiving element 70b by means of the fixing elements 72b.
  • the first housing shell element 12b is connected to the second housing shell element 12b by means of at least one connecting element 48b arranged on the first housing shell element 12b and/or on the second housing shell element 14b, at least to fix the first housing shell element 12b and the second housing shell element 14b on at least one Another component, in particular a bearing bridge, is positively and/or non-positively connected.
  • the connecting elements 48b are brought into engagement with the counter-connecting elements 216b to form a positive and/or non-positive connection of the first housing shell element 12b with the second housing shell element 14b.
  • the sliding plate 200b is fixed on the third housing shell element 198b and/or on the receiving element 70b.
  • Figure 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 designed as a sanding sheet holder.
  • the machine tool housing 10c includes a first housing shell element 12c and a second housing shell element 14c.
  • the machine tool housing 10c has a cover element 222c.
  • the tool holder 76c is arranged on the cover element 222c.
  • the cover member 222c is on the first housing shell member 12c and on the second housing shell member 14c arranged.
  • 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 a handle 22c at least in sections.
  • the handle 22c is designed to be at least substantially free of separating edges on a side 26c facing a tool side 24c and on a side 28c of the handle 22c facing away from the tool side 24c.
  • the cover element 222c is arranged on the tool side 24c of the machine tool housing 10c.
  • the cover element 222c at least essentially forms a tool receiving area 96c.
  • the cover element 222c is arranged between the first housing shell element 12c, the second housing shell element 14c and the tool holder 76c.
  • the tool holder 76c is arranged on a side of the cover element 222c facing away from the first housing shell element 12c and the second housing shell element 14c.
  • An insert tool 88c of the machine tool 36c is arranged on the tool holder 76c.
  • the insert tool 88c is designed as a sanding 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.
  • Figure 24 shows the machine tool 36c in a perspective view.
  • the machine tool 36c is shown viewed from a side of the cover element 222c facing away from the first housing shell element 12c and the second housing shell element 14c.
  • a drive train unit 34c of the machine tool 36c includes three swing legs 224c.
  • the swing legs 224c are designed as pairs of swing legs.
  • the tool holder 76c can be attached to the swing legs 224c.
  • the tool holder 76c is not shown for the sake of clarity.
  • the drive train unit 34c includes an output shaft 94c.
  • the swing legs 224c are arranged around the output shaft 94c.
  • One of the swing 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 element 222c is intended to cover the swing legs 224c to be fixed at least partially within the first housing shell element 12c and/or the second housing shell element 14c.
  • FIG 25 shows a side view of the machine tool 36c in a schematic sectional view.
  • the machine tool housing 10c includes a receiving element 70c.
  • the receiving element 70c is designed 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 inside 174c of the first housing shell element 12c.
  • the receiving element 70c is formed in one piece with the first housing shell element 12c.
  • the at least essentially complete drive train unit 34c is arranged on the receiving element 70c.
  • the receiving element 70c has a main extension plane 226c, which is aligned at least substantially perpendicular to the drive axis 68c.
  • the receiving element 70c has a bearing dome 228c.
  • a motor 90c of the drive train unit 34c and the output shaft 94c are at least partially arranged within the bearing dome 228c.
  • the motor 90c is screwed to the receiving element 70c on the bearing dome 228c.
  • the output shaft 94c is pressed into the bearing dome 228c.
  • the output shaft 94c is designed as an eccentric shaft.
  • the drive train unit 34c has further components arranged in the bearing dome 228c, which are at least partially arranged on the output shaft 94c, in particular at least partially around the output shaft 94c.
  • the further components of the drive train unit 34c include bearing elements, in particular ball bearings, for rotatably mounting 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.
  • An electronics unit 106c of the machine tool 36c is inserted into the plug-in receptacle 230c.
  • the drive train unit 34c includes an exhaust unit 232c.
  • the exhaust air unit 232c is intended for air removal.
  • the exhaust air unit 232c is intended to remove heated exhaust air from the motor 90c and/or from the electronics unit 106c.
  • the exhaust air unit 232c has at least one air duct 212c, which is intended to draw the exhaust air out of the machine tool housing through at least one air outlet opening 154c, in particular a ventilation slot, which is formed by the first housing shell element 12c and the second housing shell element 14c 10c (cf. Figure 24 ).
  • the exhaust air is transported, in particular blown, through the air duct 212c by a fan wheel of the drive train unit 34c, which is not shown and is arranged or integrated in particular on the motor 90c.
  • the exhaust air unit 232c is intended to fix the electronics unit 106c on the motor 90c.
  • the exhaust air unit 232c is at least partially arranged on the electronics unit 106c and on the motor 90c.
  • the exhaust air unit 232c is arranged at least in sections at least essentially in a ring shape around the motor 90c.
  • the exhaust air unit 232c is arranged at least in sections between the motor 90c and the electronics unit 106c.
  • the exhaust air unit 232c fixes, in particular clamps, the electronics unit 106c in the plug-in receptacle 230c and on the motor 90c.
  • the exhaust air unit 232c is intended to fix a battery contact element 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 air unit 232c is made of plastic.
  • the exhaust air unit 232c has a motor receiving element 234c.
  • the motor receiving element 234c is designed 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 for disposition around the motor 90c.
  • the exhaust air 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 fastening elements 236c are provided for fixing the battery contact element 118c on the exhaust air unit 232c.
  • the contact element fastening elements 236c are designed as grooves.
  • the battery contact element 118c can be at least partially inserted into the contact element fastening elements 236c.
  • FIG 27 shows a top view of the machine tool 36c in a schematic representation.
  • the machine tool 36c is shown viewed from the cover element 222c along the drive axis 68c.
  • the cover element 222c is not shown for the sake of clarity.
  • the machine tool housing 10c includes two fixing elements 72c.
  • the fixing elements 72c fix the second housing shell element 14c on the receiving element 70c.
  • the fixing elements 72 are designed as screws.
  • the receiving element 70c includes three fastening recesses 202c.
  • the fastening recesses 202c are designed as screw holes.
  • the fastening recesses 202c are provided for fixing the cover element 222c on the receiving element 70c.
  • One of the fastening recesses 202c is arranged at a corner point of an imaginary equilateral triangle, through the center of which the output shaft 94c extends along the drive axis 68c.
  • a battery unit 62c of the machine tool 36c is arranged on the handle 22c of the machine tool housing 10c.
  • the battery unit 62c is at least partially arranged within the first housing shell element 12c and the second housing shell element 14c.
  • a cover cap 86c of the battery unit 62c is arranged outside the first housing shell element 12c and the second housing shell element 14c and extends the handle 22c.
  • FIG 28 shows the machine tool 36c in another perspective view.
  • the machine tool 36c is from the same perspective as in Figure 24 shown.
  • the cover element 222c is not shown for the sake of clarity.
  • the swing legs 224c are connected to one another via a swing leg ring 238c.
  • the swing legs 224c and the swing leg ring 238c are formed in one piece with each other.
  • the swing leg ring 238c is arranged on the receiving element 70c.
  • the swing leg ring 238c is pushed onto the receiving element 70c.
  • the swing leg ring 238c is arranged in a ring 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 swing legs 224c extend at least substantially parallel to the drive axle 68c.
  • a method for assembling the machine tool 36c is described below.
  • additional and/or different process steps in particular based on the Figures 23 to 28 , described.
  • the first housing shell element 12c and the second housing shell element 14c are connected to one another along the contact line 20c, at least essentially free of visible fastening elements, in particular fixed to one another.
  • 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 essentially free of visible fastening elements, in particular screwed to the receiving element 70c.
  • the screws are covered in at least one further process step by means of the tool holder 76c.
  • the at least substantially complete drive train unit 34c is at least partially located within the first housing shell element 12c and/or the second housing shell element 14c on at least one receiving element 70c, in particular the bearing bridge, arranged on the first housing shell element 12c and/or on the second housing shell element 14c , attached, wherein the first housing shell element 12c is connected to the second housing shell element 14c by means of the receiving element 70c.
  • At least essentially all components of the drive train unit 34c are individually fastened to the receiving element 70c in a force-fitting and/or positive manner.
  • the components of the drive train unit 34c are at least partially attached to the receiving element 70c within the first housing shell element 12c.
  • 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 electronics unit 106c is inserted into the plug-in receptacle 230c.
  • the exhaust unit 232c is at least partially pushed over the motor 90c.
  • the electronics unit 106c is fixed to the motor 90c by means of the exhaust air unit 232c.
  • the second housing shell element 14c is fixed to the receiving element 70c by means of the fixing elements 72c, the first housing shell element 12c being connected to the second housing shell element 14c by means of the receiving element 70c.
  • 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.

Claims (25)

  1. Boîtier d'outillage ayant au moins un premier élément de coque de boîtier (12a ; 12b ; 12c) et ayant au moins un deuxième élément de coque de boîtier (14a ; 14b ; 14c) qui est relié au premier élément de coque de boîtier (12a ; 12b ; 12c) par au moins une surface de contact (16a) du premier élément de coque de boîtier (12a ; 12b ; 12c) ; 12b ; 12c) et par au moins une surface de contact (18a) du deuxième élément de coque de boîtier (14a ; 14b ; 14c) le long d'au moins une ligne de contact (20a ; 20b ; 20c) entre le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c), le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c) formant au moins par parties une poignée (22a ; 22b ; 22c), en particulier une poignée pistolet, caractérisé en ce que le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c) sont reliés entre eux, en particulier fixés l'un à l'autre, le long de la ligne de contact (20a ; 20b ; 20c), au moins essentiellement sans éléments de fixation visibles.
  2. Boîtier d'outillage selon la revendication 1, caractérisé en ce que la poignée (22a ; 22b ; 22c) est réalisée au moins sensiblement sans bords de séparation au moins sur un côté (26a ; 26b ; 26c) tourné vers un côté d'outil (24a ; 24b ; 24c) et/ou sur un côté opposé (28a ; 28b ; 28c) de la poignée (22a ; 22b ; 22c).
  3. Boîtier d'outillage selon la revendication 1 ou 2, caractérisé par au moins un bord de séparation (30a) s'étendant selon des méandres, le long duquel le premier élément de coque de boîtier (12a) et le deuxième élément de coque de boîtier (14a) sont reliés l'un à l'autre au moins pour former une zone de boîtier (32a) destinée à recevoir une unité de transmission (34a) d'un outillage (36a) .
  4. Boîtier d'outillage selon la revendication 3, caractérisé en ce que le bord de séparation (30a) s'étend dans au moins deux plans de séparation (38a, 40a, 42a, 44a, 46a) inclinés l'un par rapport à l'autre entre le premier élément de coque de boîtier (12a) et le deuxième élément de coque de boîtier (14a).
  5. Boîtier d'outillage selon l'une des revendications précédentes, caractérisé par au moins un élément de liaison (48b) agencé au moins sur le premier élément de coque de boîtier (12b) et/ou sur le deuxième élément de coque de boîtier (14b), qui est prévu au moins pour une liaison par complémentarité de forme et/ou de force du premier élément de coque de boîtier (12b) avec le deuxième élément de coque de boîtier (14b) au moins pour une fixation du premier élément de coque de boîtier (12b) et du deuxième élément de coque de boîtier (14b) sur au moins un autre composant, en particulier un pont de montage.
  6. Boîtier d'outillage selon l'une des revendications précédentes, caractérisé par au moins un élément (50a) d'accrochage par encliquetage aménagé sur le premier élément de coque de boîtier (12a) et/ou sur le deuxième élément de coque de boîtier (14a) pour une liaison par encliquetage du premier élément de coque de boîtier (12a) au deuxième élément de coque de boîtier (14a).
  7. Boîtier d'outillage selon l'une des revendications précédentes, caractérisé par au moins un élément de serrage (54a), en particulier en forme de fer à cheval, qui est prévu au moins sur la poignée (22a) pour une liaison par serrage du premier élément de coque de boîtier (12a) avec le deuxième élément de coque de boîtier (14a).
  8. Boîtier d'outillage selon la revendication 7, caractérisé en ce que l'élément de serrage (54a) est disposé au moins partiellement à l'intérieur d'au moins un évidement de paroi (56a, 58a) du premier élément de coque de boîtier (12a) et/ou du deuxième élément de coque de boîtier (14a).
  9. Boîtier d'outillage selon la revendication 7 ou 8, caractérisé en ce que l'élément de serrage (54a) présente au moins un évidement de verrouillage (60a) pour un verrouillage d'au moins une unité de batterie (62a) d'un outillage (36a) sur la poignée (22a).
  10. Boîtier d'outillage selon l'une des revendications précédentes, caractérisé par au moins un élément d'identification (64a ; 64b ; 64c), en particulier formé séparément du premier élément de coque de boîtier (12a ; 12b ; 12c) et/ou du deuxième élément de coque de boîtier (14a ; 14b ; 14c), qui présente au moins un prolongement (66a) pour une fixation du premier élément de coque de boîtier (12a) et/ou du deuxième élément de coque de boîtier (14a).
  11. Outillage, notamment outillage à main, comportant au moins un boîtier d'outillage selon l'une quelconque des revendications précédentes.
  12. Outillage selon la revendication 11, caractérisé par au moins une unité de transmission (34a ; 34b ; 34c) par laquelle le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c) sont fixés l'un à l'autre le long d'un axe d'entraînement (68a ; 68b ; 68c) de l'unité de transmission (34a ; 34b ; 34c).
  13. Outillage selon la revendication 11 ou 12, caractérisé par au moins une unité de transmission (34a ; 34b ; 34c), le boîtier de l'outillage comportant au moins un élément de réception (70a ; 70b ; 70c) agencé et/ou apte à être agencé sur le premier élément de coque de boîtier (12a ; 12b ; 12c) et/ou sur le deuxième élément de coque de boîtier (14a ; 14b ; 14c), en particulier une patte de verrouillage ou un pont de montage, qui est prévu au moins pour une fixation de l'unité de transmission (34a ; 34b ; 34c) au moins sensiblement complète au moins partiellement à l'intérieur du premier élément de coque de boîtier (12a ; 12b ; 12c) et/ou du deuxième élément de coque de boîtier (14a ; 14b ; 14c) et pour une liaison du premier élément de coque de boîtier (12a ; 12b ; 12c) avec le deuxième élément de coque de boîtier (14a ; 14b ; 14c).
  14. Outillage selon la revendication 13, caractérisé en ce que le boîtier de l'outillage comporte, en particulier pour former une chaîne de transmission de force au moins sensiblement linéaire, au moins un élément de fixation (72a ; 72b ; 72c), en particulier une vis, pour une liaison du premier élément de coque de boîtier (12a ; 12b ; 12c) ou du deuxième élément de coque de boîtier (14a ; 14b ; 14c) avec l'élément de réception (70a ; 70b ; 70c) et/ou l'unité de transmission (34a ; 34b ; 34c), l'élément de fixation (72a ; 72b ; 72c) présentant une direction d'extension principale (74a) orientée au moins sensiblement parallèlement à un axe d'entraînement (68a ; 68b ; 68c) de l'unité de transmission (34a ; 34b ; 34c) .
  15. Outillage selon l'une des revendications 11 à 14, caractérisé par au moins une unité de transmission (34a ; 34c), le dispositif d'outillage présentant au moins un porte-outil (76a ; 76c) apte à être fixé, en particulier sans outil, sur l'unité de transmission (34a ; 34c) pour au moins cacher au moins un élément de fixation (72a ; 72c) du boîtier de l'outillage.
  16. Outillage selon l'une quelconque des revendications 12 à 15, caractérisé par au moins une unité de batterie (62a ; 62c) pour une alimentation en énergie de l'unité de transmission (34a ; 34c), l'unité de batterie (62a ; 62c) comprenant au moins un élément (78a) formant crochet de verrouillage pour un verrouillage avec l'élément de serrage (54a).
  17. Procédé d'assemblage d'un outillage selon l'une des revendications 11 à 16, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c) sont fixés l'un à l'autre par l'intermédiaire d'au moins une unité de transmission (34a ; 34b ; 34c) le long d'un axe d'entraînement (68a ; 68b ; 68c) de l'unité de transmission (34a ; 34b ; 34c).
  18. Procédé selon la revendication 17, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a ; 12b ; 12c) et le deuxième élément de coque de boîtier (14a ; 14b ; 14c) sont reliés l'un à l'autre, en particulier fixés l'un à l'autre, le long d'au moins une ligne de contact (20a ; 20b ; 20c) au moins sensiblement exempte d'éléments de fixation visibles.
  19. Procédé selon la revendication 17 ou 18, caractérisé en ce que, au cours d'au moins une étape du procédé, l'unité de transmission (34a ; 34b ; 34c) au moins sensiblement complète est fixée au premier élément de coque de boîtier (12a ; 12b ; 12c) et/ou du deuxième élément de coque de boîtier (14a ; 14b ; 14c), à au moins un élément de réception (70a ; 70b ; 70c) agencé et/ou apte à être agencé au moins partiellement à l'intérieur du premier élément de coque de boîtier (12a ; 12b ; 12c) et/ou du deuxième élément de coque de boîtier (14a ; 14b ; 14c), en particulier une patte de verrouillage ou un pont de montage, le premier élément de coque de boîtier (12a ; 12b ; 12c) étant relié au deuxième élément de coque de boîtier (14a ; 14b ; 14c) au moyen de l'élément de réception (70a ; 70b ; 70c).
  20. Procédé selon l'une des revendications 17 à 19, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12b) est relié au deuxième élément de coque de boîtier (14b) au moyen d'au moins un élément de liaison (48b) agencé sur le premier élément de coque de boîtier (12b) et/ou sur le deuxième élément de coque de boîtier (14b), au moins pour une fixation du premier élément de coque de boîtier (12b) et du deuxième élément de coque de boîtier (14b) sur au moins un autre composant, en particulier un pont de montage, par complémentarité de forme et/ou par force.
  21. Procédé selon l'une des revendications 17 à 20, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a) est relié au deuxième élément de coque de boîtier (14a) au moyen d'au moins un élément (50a) formant crochet à encliquetage agencé sur le premier élément de coque de boîtier (12a) et/ou sur le deuxième élément de coque de boîtier (14a).
  22. Procédé selon l'une quelconque des revendications 17 à 21, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a) est relié au deuxième élément de coque de boîtier (14a), au moins au niveau de la poignée (22a), au moyen d'au moins un élément de serrage (54a) qui est agencé au moins partiellement à l'intérieur d'au moins un évidement de paroi (56a, 58a) du premier élément de coque de boîtier (12a) et/ou du deuxième élément de coque de boîtier (14a) .
  23. Procédé selon l'une des revendications 17 à 22, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a) et/ou le deuxième élément de coque de boîtier (14a) est/sont fixé(s) au moyen d'au moins un prolongement (66a) d'au moins un élément de marquage (64a), en particulier réalisé séparément du premier élément de coque de boîtier (12a) et/ou du deuxième élément de coque de boîtier (14a) .
  24. Procédé selon l'une des revendications 17 à 23, caractérisé en ce que, dans au moins une étape du procédé, le premier élément de coque de boîtier (12a ; 12b ; 12c) ou le deuxième élément de coque de boîtier (14a ; 14b ; 14c) est relié à au moins un élément de réception (70a ; 70b ; 70c) et/ou à l'unité de transmission (34a ; 34b ; 34c), en particulier pour former une chaîne active de transmission de force au moins sensiblement linéaire,au moyen d'au moins un élément de fixation (72a ; 72b ; 72c), en particulier une vis, l'élément de fixation (72a ; 72b ; 72c) présentant une direction d'extension principale (74a ; 74b ; 74c) orientée au moins sensiblement parallèlement à un axe d'entraînement (68a ; 68b ; 68c) de l'unité de transmission (34a ; 34b ; 34c) .
  25. Procédé selon l'une des revendications 17 à 24, caractérisé en ce que, dans au moins une étape du procédé, au moins un porte-outil (76a ; 76c) du boîtier de l'outillage est fixé à l'unité de la transmission (34a ; 34c) au moins pour masquer au moins un élément de fixation (72a ; 72c), notamment sans outil.
EP19722597.2A 2018-05-04 2019-05-06 Carter de machine-outil Active EP3787845B1 (fr)

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DE102018206873.9A DE102018206873A1 (de) 2018-05-04 2018-05-04 Werkzeugmaschinengehäuse
PCT/EP2019/061523 WO2019211486A1 (fr) 2018-05-04 2019-05-06 Carter de machine-outil

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EP3787845B1 true EP3787845B1 (fr) 2024-02-28

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US11691261B2 (en) 2020-06-02 2023-07-04 Snap-On Incorporated Housing clamp for a power tool
DE102020210626A1 (de) 2020-08-20 2022-02-24 Robert Bosch Gesellschaft mit beschränkter Haftung Handwerkzeugmaschine

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CN112334280A (zh) 2021-02-05
WO2019211486A1 (fr) 2019-11-07
DE102018206873A1 (de) 2019-11-07
EP3787845A1 (fr) 2021-03-10

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