WO2012045679A2 - Machine-outil portative à oscillation - Google Patents

Machine-outil portative à oscillation Download PDF

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Publication number
WO2012045679A2
WO2012045679A2 PCT/EP2011/067135 EP2011067135W WO2012045679A2 WO 2012045679 A2 WO2012045679 A2 WO 2012045679A2 EP 2011067135 W EP2011067135 W EP 2011067135W WO 2012045679 A2 WO2012045679 A2 WO 2012045679A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
unit
oscillating
housing shells
output
Prior art date
Application number
PCT/EP2011/067135
Other languages
German (de)
English (en)
Other versions
WO2012045679A3 (fr
Inventor
Tobias Lutz
Szabolcs Gyori
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
Priority claimed from DE201010041923 external-priority patent/DE102010041923A1/de
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN201180047734.XA priority Critical patent/CN103153536B/zh
Priority to RU2013119819/02A priority patent/RU2013119819A/ru
Priority to EP11763939.3A priority patent/EP2625001B1/fr
Publication of WO2012045679A2 publication Critical patent/WO2012045679A2/fr
Publication of WO2012045679A3 publication Critical patent/WO2012045679A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • 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

  • Oszillationshandwerkmaschinen comprising an output unit having an output shaft, a drive unit to an oscillating drive of the output shaft and a housing unit for receiving the drive unit and the output unit comprising two housing shells.
  • the invention is based on an oscillating hand-held power tool having at least one output unit which comprises at least one output shaft, with at least one drive unit for an oscillating drive of the output shaft and with at least one housing unit for receiving the drive unit and the output unit, which has at least two housing shells.
  • the housing shells have at least one connecting plane extending at least substantially perpendicular to a movement axis of the output shaft, in which the housing shells are connected to one another.
  • a "handheld oscillating tool” should be understood here to mean, in particular, a portable machine tool for machining workpieces that can be transported by an operator without transporting machine and which, in an operating state, oscillates about the axis of movement of a machining tool connected to a tool holder of the portable machine tool
  • the hand tool has a mass, which is less than 40 kg, preferably less than 10 kg and more preferably less than 5 kg.
  • Oscillation hand tool machine is particularly preferably designed as a multi-functional machine tool.
  • the Oszillationshandwerkmaschine another which appears to a person skilled in apparent embodiment, such as a jigsaw, as
  • An "output unit” is to be understood here as meaning, in particular, a unit which is provided to transmit forces and / or torques generated by the drive unit to a machining tool and / or to overcome forces and / or torques generated by the drive unit
  • the output unit preferably comprises at least one tool holder which can be coupled to the machining tool.
  • “Provided” is to be understood in particular to be specially designed and / or specially equipped. For generating forces and / or torques by means of the drive unit, thermal energy, chemical energy and / or electrical energy are preferred
  • the drive unit is designed as an electric motor.
  • housing shell is intended to define a component which is at least essentially curved around at least one axis and which is provided, at least in a state connected to a further component, in particular a further housing shell, a drive unit and A material thickness of the housing shell is in particular less than 50%, preferably less than 25% and particularly preferably less than 10% of a longitudinal extent of the
  • the expression “substantially perpendicular” should in this case in particular define an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, smaller
  • the housing unit may have a cup-shaped construction or a shell construction.
  • Connection level “should be understood here in particular a plane which, in an assembled state of the housing shells at least two relatively spaced points at least one outer surface of the housing shells intersects and in which the housing shells in an assembled state abut each other.
  • the housing shells by means of connecting elements, such as by means of a cover plate, by means of screws, by means of a tongue and groove connection, etc., releasably connected to each other.
  • connecting elements such as by means of a cover plate, by means of screws, by means of a tongue and groove connection, etc., releasably connected to each other.
  • the drive unit has a drive axle which is arranged in a plane extending at least substantially parallel to the connection plane.
  • the drive axle is formed by a rotation axis of an armature shaft of the drive unit designed as an electric motor.
  • substantially parallel is to be understood here as meaning, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction is a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2), the drive axle being particularly preferably arranged in the assembled plane in the assembled state, it is advantageously possible to achieve a symmetrical design of bearing receiving elements of the housing shells for receiving bearing elements for supporting the drive unit.
  • connection plane in the region of the connection plane, are kept small, so that in particular an arrangement of the drive axle in the connection plane has a positive effect in terms of reducing movement of the housing shells relative to each other
  • one of the housing shells are formed as a cover shell, for example, allows a particularly convenient accessibility during service work on the drive unit.
  • the Oszillationshandwerkmaschine on at least one output bearing unit comprising at least one output bearing element which is arranged in a mounted state form fit in at least one Abtriebslagerauf- 5 takemeelement one of the housing shells, wherein the output bearing element at least in a separate state of the housing shells in an at least substantially Parallel to the connecting plane extending bearing level of the output bearing receiving element is at least substantially completely enclosed by the output bearing receiving element.
  • the output bearing element is designed as a rolling bearing element or as a sliding bearing element, which supports the output shaft movable.
  • the expression "completely enclosed” is intended here to define in particular an arrangement, in particular a positive-locking arrangement, of the output bearing element in the output bearing receiving element of one of the housing shells, wherein the output element is surrounded by the housing shell along a total angular range of 360.degree ..
  • the output bearing receiving element can hereby
  • the output bearing receiving element has partial regions, in particular web-shaped partial regions, which are distributed uniformly along the outer circumference of the output bearing element along the arcuate region of 360 ° and bear against the outer circumference Due to the at least substantially parallel arrangement of the bearing plane of the output bearing receiving element to the connection plane can also be structurally simple a Rela- 5 tivrise the housing shells due to reaction forces, which are caused by an oscillating drive of the output shaft can be reduced or advantageously prevented.
  • the oscillating hand tool machine at least comprises a form-fitting unit for a positive connection of the housing shells, which has at least one positive locking element, which extend to form a positive connection in a reaction force direction, along the reaction forces caused by an oscillating drive of the output shaft extends at least substantially transversely to a reaction force direction.
  • the positive-locking element preferably extends transversely to the connection plane. In this case, the positive-locking element extends in particular ders preferred at least substantially perpendicular to the connection plane.
  • the term "at least essentially transversal" is to be understood here as meaning, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction including an angle deviating from 180 ° and an integral multiple of 180.degree ..
  • the form-fitting unit preferably forms a spring groove It is structurally simple to achieve a positive connection of the housing shells which particularly advantageously counteracts a relative movement of the housing shells in an operation of the oscillating handheld power tool.
  • the positive-locking element is arranged on one of the housing shells and extends at least substantially along an entire circumferential direction extending in the connecting plane. It can be achieved particularly advantageous a secure and stable connection of the housing shells.
  • the invention is based on an oscillating handheld power tool having a housing unit which has at least one first housing shell and at least one second housing shell.
  • the oscillating hand tool machine has at least one cover plate which is provided to connect the first and the second housing shell in a form-fitting manner.
  • a "cover plate” is to be understood as meaning a component which preferably at least partially covers a parting line between the at least two housing shells and, in particular, forms an outer surface of the oscillating hand tool, preferably the housing unit of the oscillating hand tool %, preferably less than 25% and particularly preferably less than 10% of a longitudinal extent of the cover plate can be advantageously prevented by the positive connection of the at least two housing shells by the at least one cover plate
  • At least two housing shells are also preferably reinforced, whereby an advantageous high stability of Housing unit of Oszillationshandwerkmaschine is achieved.
  • the housing unit of Oszillationshandwerkmaschine preferred narrow and easy to be designed, whereby an advantageous high ease of use of the Oszillationshandwerkmaschine can be achieved.
  • the oscillation hand tool machine has a spring groove unit, via which the at least one cover plate and the at least first and the at least second housing shell are connected. Due to the configuration of the invention, in particular an advantageously simple connection between the at least one cover plate and the at least two
  • a particularly preferred simple and stable connection can be achieved if the at least first and the at least second housing shell form at least one common spring element of the spring groove unit which is provided in at least one groove of the spring groove unit, which is arranged at least partially in the at least one cover plate to be introduced.
  • the jointly formed by the at least two housing shells spring element and the at least one groove of the cover plate is preferably designed as a dovetail joint.
  • the Oszillationshandwerkmaschine invention should not be limited to the application and embodiment described above.
  • the oscillatory hand tool according to the invention can have a number different from a number of individual elements, components and units mentioned herein. drawing
  • FIG. 3 is a sectional view along the line III-III of Figure 1 with a representation of a distribution of forces on housing shells of a housing unit of Oszillationshandwerkmaschine invention during operation of Oszillationshand- Anlagenmaschine invention in a schematic representation,
  • FIG. 4 is a detailed view of a driven bearing unit of the oscillating hand tool according to the invention in a schematic representation
  • FIG. 5 shows an alternative oscillating hand tool according to the invention in a side view in a schematic representation
  • FIG. 6 is an additional housing shell of the oscillating hand tool machine in a perspective view in a schematic representation
  • FIG. 7 shows a section through the oscillation hand tool according to the invention in a region of the additional housing shell in a schematic illustration
  • Fig. 8 shows a part of the Oszillationshandwerkmaschine invention with a removed from the housing shells cover plate in a schematic representation. Description of the embodiments
  • FIG. 1 shows an electrically operable oscillating handheld power tool 68a with at least one output unit 70a, which comprises at least one output shaft 72a (FIG. 2).
  • the oscillating handheld power tool 68a further comprises at least one drive unit 74a for an oscillating drive of the output shaft 72a and at least one housing unit 10a for receiving the drive unit 74a and the output unit 70a, which has at least two housing shells 12a, 14a.
  • the housing shells 12a, 14a In a mounted state, the housing shells 12a, 14a have at least one at least substantially perpendicular to one
  • Movement axis 76a of the output shaft 72a extending connecting plane 78a, in which the housing shells 12a, 14a are interconnected.
  • the connecting plane 78a extends at least substantially parallel to a main extension direction 26a of the oscillating handheld power tool 68a.
  • the movement axis 76a of the output shaft 72a is formed as a pivot axis of the hollow shaft output shaft 72a of the output unit 70a, around which the output shaft 72a oscillates in an operation of the oscillating manual power tool 68a as a result of driving by the drive unit 74a.
  • the output unit 70a is in a manner already known to a person skilled in the art by means of a
  • the drive unit 74a has a drive axle 80a which is arranged in a plane extending at least substantially parallel to the connection plane 78a.
  • the connection plane 78a and the plane in which the drive shaft 80a is arranged coincide.
  • the drive shaft 80a extends in a mounted state of the housing shells 12a, 14a in the connection plane 78a.
  • the output unit 70a comprises a tool holder 30a, on which a machining tool 98a for machining workpieces
  • the tool holder 30a is non-rotatably connected to the output shaft 72a designed as a hollow spindle by means of an interference fit, so that a pivoting movement of the output shaft 72a can be transmitted to the tool holder 30a.
  • the tool holder 30a is connected to the output shaft 72a by means of another type that appears appropriate to a person skilled in the art.
  • the oscillating hand tool machine 68a has a clamping unit 100a for fixing the machining tool 98a to the tool holder 30a along the movement axis 76a.
  • the clamping unit 100a comprises a clamping element 96a which is axially movable along the movement axis 76a by means of a clamping lever 102a and a clamping mechanism (not shown here in detail) of the clamping unit 100a.
  • the clamping element 96a is movably mounted in the output shaft 72a designed as a hollow spindle (FIG. 4).
  • FIG. 2 shows an exploded view of the oscillating handheld power tool 68a.
  • the output unit 70a and the drive unit 74a are inserted into the housing shell 14a of the housing shells 12a, 14a designed as an assembly shell or fixed in the housing shell 14a designed as an assembly shell.
  • the oscillating handheld power tool 68a additionally comprises at least one output bearing unit 82a, which comprises at least one output bearing element 84a, which in a mounted state is positively arranged in at least one output bearing receiving element 86a of one of the housing shells 12a, 14a, wherein the output bearing element 84a at least in a separate one another Condition of the housing shells 12a, 14a in at least substantially parallel to the connecting plane 78a extending bearing plane of the Abtriebslageraufnah- me element 86a at least substantially completely from the output bearing receiving element 86a is enclosed ( Figure 4).
  • the output bearing element 84a is designed as a roller bearing, by means of which the output shaft 72a is mounted in the mounting shell designed as a housing shell 14a of the housing shells 12a, 14a pivotally about the movement axis 76a of the output shaft 72a.
  • the output bearing element 84a is pressed into the output bearing receiving element 86a of the housing shell 14a of the housing shells 12a, 14a designed as an assembly shell.
  • the housing shell 12a of the housing shells 12a, 14a designed as a cover shell is connected to the housing shell 14a of the housing shells 12a, 14a, which is designed as an assembly shell.
  • the housing shells 12a, 14a are interconnected by a movement of the housing shells 12a, 14a relative to one another along a direction extending at least substantially parallel to the movement axis 76a.
  • the oscillation hand tool machine 68a comprises at least one form-locking unit 88a for a positive connection of the housing shells 12a, 14a.
  • the form-locking unit 88a has at least one positive-locking element 90a which extends at least substantially transversely to a reaction-force direction 94a to form a positive connection in a reaction force 94a, along which reaction forces produced by an oscillating drive of the output shaft 72a extend (FIG ).
  • the form-fitting element 90a is designed as a web-shaped spring of a spring-groove connection.
  • the form-locking element 90a is arranged in the assembled state of the housing shells 12a, 14a on the housing shell 14a of the housing shells 12a, 14a designed as an assembly shell in the region of the connection plane 78a.
  • the positive-locking element 90a is arranged on the housing shell 12a of the housing shells 12a, 14a designed as a cover shell in the region of the connection plane 78a.
  • the mold closing element 90a extends at least substantially perpendicular to
  • Connection plane 78a in a direction remote from the designed as a mounting shell housing shell 14a of the housing shells 12a, 14a direction.
  • the positive-locking element 90a further extends at least substantially along an entire circumferential direction running in the connecting plane 78a on the housing shell 14a of the housing shells 12a, 14a designed as an assembly shell.
  • the form-fitting unit 88a further has at least one further positive-locking element 92a for forming the positive connection in the direction of reaction 94a.
  • the further form-fitting element 92a also extends at least substantially transversely to a reaction force direction 94a.
  • the further positive locking element 92a is formed as a groove of the spring-groove connection.
  • the further positive locking element 92a is arranged in an assembled state on the housing shell 12a formed as a cover shell of the housing shells 12a, 14a in the region of the connecting plane 78a.
  • the further positive-locking element 92a is arranged on the housing shell 14a of the housing shells 12a, 14a designed as an assembly shell.
  • the further form-fitting element 92a extends at least substantially along the entire circumferential direction running in the connecting plane 78a on the housing shell 12a of the housing shells designed as a cover shell
  • the positive-locking element 90a and the further positive-locking element 92a are brought into engagement to form a positive connection.
  • the form-locking element 90a configured as a web-shaped spring element 46a engages in a mounted state of the housing shells 12a, 14a in the further form-locking element 92a designed as a groove 48a (FIG. 3).
  • the housing shells 12a, 14a are positively connected to one another by means of the form-locking unit 88a, the housing shells 12a, 14a are fixed to one another along the direction at least substantially parallel to the movement axis 76a with connecting elements (not shown here in detail), such as screws.
  • FIGS. 5 to 8 show an alternative embodiment. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, the reference numerals of the embodiments, the letters a and b are added. The following description is essentially limited to the differences from the first exemplary embodiment in FIGS. 1 to 3, wherein reference can be made to the description of the first exemplary embodiment in FIGS. 1 to 3 with regard to components, features and functions remaining the same.
  • FIG. 5 shows an oscillating handheld oscillating hand tool 68b.
  • the oscillation hand tool machine 68b comprises a housing unit 10b, which has a first housing shell 12b and a second housing shell 14b.
  • the housing unit 10b comprises at least two housing shells 12b, 14b.
  • the housing unit 10b of the oscillating handheld power tool 68b is L-shaped.
  • the housing unit 10b is provided to receive an output unit 70b of the oscillating hand tool machine 68b and a drive unit 74b of the oscillating hand tool machine 68b.
  • the long leg 24b of the housing unit 10b encloses the drive unit 74b formed by an electric motor.
  • the drive unit 74b is provided to oscillate an output shaft 72b of the output unit 70b of the oscillating handheld power tool 68b. float.
  • the first housing shell 12b and the second housing shell 14b have a connection plane 78b extending at least substantially perpendicular to a movement axis 76b of the output shaft 72b, in which the housing shells 12b, 14b are connected to one another.
  • the housing unit 10b forms a short leg 28b, which extends perpendicular to the main extension direction 26b of the oscillating handheld power tool 68b.
  • a tool receptacle 30b of the output unit 70b is arranged on the short leg 28b of the housing unit 10b, which is intended to receive and secure a machining tool (not shown).
  • a power cable 32 b is arranged, which is provided to supply the drive unit 74 b in an operating state of the oscillating hand tool 68 b with electrical energy.
  • the housing unit 10b of the oscillating handheld power tool 68b has two cover plates 16b, 18b, which are respectively arranged laterally on the oscillating handheld power tool 68b.
  • the two cover plates 16b, 18b are mirror-symmetrical to one another.
  • the two cover plates 16b, 18b are on opposite sides of the long leg 24b of the housing unit
  • the two cover plates 16b, 18b each extend over part of the entire length of the oscillating hand tool 68b.
  • the two cover plates 16b, 18b partially cover a parting line 34b between the first and the second housing shell 12b, 14b in the main extension direction 26b of the oscillating handheld power tool 68b.
  • the parting line 34b extends for the most part in the connecting plane 78b.
  • the two cover plates 16b, 18b are in each case positively connected to the first and the second housing shell 12b, 14b via a spring groove unit 19b.
  • the spring groove unit 19b has a spring element 20b and a groove 22b.
  • the first and second housing shells 12b, 14b extend along the main extension direction 26b of the oscillating hand tool machine 68b.
  • the parting line 34b of the first and the second housing shell 12b, 14b extends parallel to the main extension direction 26b of the oscillating hand tool
  • the two cover plates 16b, 18b extend in an assembled state in each case parallel to the main extension device 26b of the oscillating handheld power tool 68b. In an assembled state, the two cover plates 16b, 18b are each secured to the housing unit 10b of the oscillating handheld power tool 68b with a fastening screw 36b in the main direction of extension 26b. In a mounted state of the cover plates 16b, 18b, the housing unit 10b of the oscillating handheld power tool 68b has an at least substantially oval contour in a plane perpendicular to the main extension direction 26b (FIG. 3).
  • the first and the second housing shell 12b, 14b each have two receiving areas.
  • each of the housing shells 12b, 14b are each arranged in an edge region 38b, 40b of the housing shells 12b, 14b.
  • the edge portion 38b of the first housing shell 12b and the edge portion 40b of the second housing shell 14b abut each other in an assembled state of the housing shells 12b, 14b and form the parting line 34b between the housing shells 12b, 14b.
  • the receiving areas of the housing shell 12b, 14b extend in an assembled state of the housing shells 12b, 14b parallel to the main extension direction 26b of the oscillating handheld power tool 68b.
  • the receiving areas of the housing shell 12b, 14b are arranged on opposite sides of the housing shells 12b, 14b.
  • a receiving region of the first housing shell 12b adjoins in each case a receiving region of the second housing shell 14b.
  • the receiving areas of the first and the second housing shell 12b, 14b in an assembled state together comprise in each case the spring element 20b.
  • the spring element 20b is composed in an assembled state of two spring element halves 42b, 44b.
  • the first and the second housing shell 12b, 14b each form one of the two spring element halves 42b.
  • a spring-groove connection is provided in each case.
  • the spring element halves 42b of the first housing shell 12b each have a form-locking element 90b, designed as a spring element 46b, of a form-locking unit 88b of the oscillating hand-held power tool 68b.
  • the spring element 46b has a rectangular cross-section.
  • the spring element halves 44b of the second housing shell 14b each have a further positive-locking element 92b of the form-locking unit 88b that corresponds to the spring element 46b and that is designed as a groove 48b on.
  • the groove 48b has a rectangular cross section.
  • the spring-groove connections of the spring elements 20b of the first and the second housing shell 12b, 14b prevent a movement of the first and the second housing shell 12b, 14b transversely to the main extension direction 26b of the oscillating hand tool 68b relative to each other.
  • the spring element 20b which is formed by the spring element half 42b of the first housing shell 12b and by the spring element half 44b of the second housing shell 14b, has a guide surface 50b.
  • the guide surface 50b of the spring member 20b extends in a plane parallel to the short
  • the guide surface 50b of the spring element 20b is adjoined by two retaining surfaces 52b of the spring element 20b.
  • the holding surfaces 52b of the spring element 20b extend in an assembled state of the housing shells 12b, 14b parallel to the main extension direction 26b of the oscillating handheld power tool 68b.
  • the holding surfaces 52b of the spring element 20b are arranged on opposite sides of the guide surface 50b of the spring element 20b.
  • the holding surfaces 52b of the spring element 20b each include an acute angle with the guide surface 50b of the spring element 20b.
  • the second housing shell 14b has a latching recess 54b.
  • the latching recess 54b is arranged in the main extension direction 26b, viewed from the power cable 32b to the tool holder 30b, after the spring element 20b.
  • the latching recess 54b extends perpendicular to the main extension direction 26b of the oscillating handheld power tool 68b and parallel to the short leg 28b of the housing unit 10b.
  • the latching recess 54b has a semicircular cross-section.
  • the housing unit 10b of the oscillating handheld power tool 68b has a fastening recess 56b.
  • the attachment recess 56b is arranged downstream of the spring element 20b in the main extension direction 26b of the oscillatory hand tool machine 68b, viewed from the power cable 32b toward the tool holder 30b.
  • Each of the two cover plates 16b, 18b has an outer surface 58b, which in an assembled state adjoins the contour of the first and the second housing shell 12b, 14b.
  • Each cover plate 16b, 18b has the groove 22b, which on a side facing away from the outer surface 58b of the cover plate 16b, 18b is arranged ( Figure 2).
  • the groove 22b of the cover plate 16b, 18b has a guide surface 60b which, in a mounted state of the cover plate 16b, 18b, extends parallel to both the long leg 24b and the short leg 28b of the housing unit 10b of the oscillating hand tool 68b.
  • the guide surface 60b of the groove 22b is adjoined by two retaining surfaces 62b of the groove 22b.
  • the holding surfaces 62b of the groove 22b extend in a mounted state of the cover plate 16b, 18b parallel to the main extension direction 26b of the oscillating hand tool 68b.
  • the holding surfaces 62b are arranged on opposite sides of the guide surface 60b of the groove 22b.
  • Holding surfaces 62b of the groove 22b each include an acute angle with the guide surface 60b.
  • the second housing shell 14b has a latching element 64b.
  • the latching element 64b is in the main extension direction 26b, from the power cable 32b to
  • the latching element 64b extends perpendicular to the main extension direction 26b of the oscillating handheld power tool 68b and parallel to the short leg 28b of the housing unit 10b.
  • the latching element 64b has a semicircular cross section.
  • each of the two cover plates 16b, 18b has a fastening recess 66b.
  • the mounting recess 66b of the cover plate 16b, 18b is in an assembled state of the cover plate 16b, 18b on the housing unit 10b of the oscillating hand tool 68b in the main extension direction 26b of the oscillating hand tool 68b, viewed from the power cable 32b toward the tool holder 30b, respectively, after the groove
  • the first and second housing shells 12b, 14b are assembled perpendicular to the main extension direction 26b of the oscillating hand tool machine 68b.
  • the spring elements 46b of the spring element halves 42b of the first housing shell 12b engage in the grooves 48b of the spring element halves 44b of the second housing shell 14b.
  • the spring element 20b is respectively inserted into the groove 22b of the cover plate 16b, 18b.
  • the guide surface 60b of the groove 22b slides past the guide surface 50b of the spring element 20b.
  • the retaining surfaces 62b of the groove 22b and the retaining surfaces 52b of the spring element 20b which are each arranged at an acute angle, bear against each other and form a positive connection between the first housing shell 12b, the second housing shell 14b and the cover plate 16b, 18b.
  • the mounting recess 66b of the cover plate 16b, 18b covers the fastening recess 56b of the housing unit 10b.
  • the mounting recess 56b, 66b of the cover plate 16b, 18b and the housing unit 10b engages a mounting screw 36b.
  • the cover plate 16b, 18b is secured captively and releasably to the housing unit 10b of the oscillating handheld power tool 68b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Portable Power Tools In General (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

L'invention concerne une machine-outil portative à oscillation comportant au moins une unité de sortie (70a ; 70a) qui comprend au moins un arbre de sortie (72a ; 72b), au moins une unité d'entraînement (74a ; 74b) destinée à entraîner l'arbre de sortie (72a ; 72b) en oscillation et au moins une unité boîtier (10a ; 10b) destinée à loger l'unité d'entraînement (74a ; 74b) et l'unité de sortie (70a ; 7b) et qui présente au moins deux coques de boîtier (12a, 14a ; 12b, 14b). Selon l'invention, les coques de boîtier (12a, 14a ; 12b, 14b) présentent à l'état monté au moins un plan d'assemblage (78a ; 78b) au moins sensiblement perpendiculaire à un axe de déplacement (76a ; 76b) de l'arbre de sortie (72a ; 72b) dans lequel les coques de boîtier (12a, 14a ; 12b, 14b) sont assemblées l'une à l'autre.
PCT/EP2011/067135 2010-10-04 2011-09-30 Machine-outil portative à oscillation WO2012045679A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180047734.XA CN103153536B (zh) 2010-10-04 2011-09-30 振荡式手持式工具机
RU2013119819/02A RU2013119819A (ru) 2010-10-04 2011-09-30 Осциллирующая ручная машина
EP11763939.3A EP2625001B1 (fr) 2010-10-04 2011-09-30 Machine-outil portative à oscillation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010041923.0 2010-10-04
DE201010041923 DE102010041923A1 (de) 2010-10-04 2010-10-04 Handwerkzeugmaschine
DE102011076947.1 2011-06-06
DE102011076947 2011-06-06

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Publication number Priority date Publication date Assignee Title
US10654161B2 (en) 2017-03-29 2020-05-19 Makita Corporation Work tool
US10828765B2 (en) 2017-03-29 2020-11-10 Makita Corporation Work tool
DE102019104639A1 (de) 2018-03-28 2019-10-02 Makita Corporation Kraftwerkzeug
JP2019171513A (ja) * 2018-03-28 2019-10-10 株式会社マキタ 電動工具
US11045939B2 (en) 2018-03-28 2021-06-29 Makita Corporation Power tool
JP7096032B2 (ja) 2018-03-28 2022-07-05 株式会社マキタ マルチツール

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WO2012045679A3 (fr) 2012-06-28
EP2625001A2 (fr) 2013-08-14
CN103153536A (zh) 2013-06-12
CN103153536B (zh) 2017-09-05
EP2625001B1 (fr) 2018-04-18

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