EP3500405B1 - Handwerkzeugmaschine und verfahren zur dämpfung einer handwerkzeugmaschine - Google Patents

Handwerkzeugmaschine und verfahren zur dämpfung einer handwerkzeugmaschine Download PDF

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Publication number
EP3500405B1
EP3500405B1 EP17745148.1A EP17745148A EP3500405B1 EP 3500405 B1 EP3500405 B1 EP 3500405B1 EP 17745148 A EP17745148 A EP 17745148A EP 3500405 B1 EP3500405 B1 EP 3500405B1
Authority
EP
European Patent Office
Prior art keywords
housing
power tool
damping
unit
machine housing
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
EP17745148.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3500405A1 (de
Inventor
Thomas Palaver
Tobias Lutz
Szabolcs Gyori
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 EP3500405A1 publication Critical patent/EP3500405A1/de
Application granted granted Critical
Publication of EP3500405B1 publication Critical patent/EP3500405B1/de
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
    • B25F5/006—Vibration damping means
    • 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
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping

Definitions

  • a handheld power tool with a machine housing, a coupling housing connected to the machine housing and a damping unit arranged between the machine housing and the coupling housing, which is provided to dampen a transmission of vibrations and / or oscillations to an energy storage unit that can be coupled to the coupling housing, wherein an electronics unit is arranged in the machine housing.
  • a handheld power tool which has a machine housing designed as an outer housing and a coupling housing designed as an inner housing and connected to the machine housing in a vibration-damped manner.
  • a handheld power tool which has a machine housing designed as an inner housing and a coupling housing designed as an outer housing and connected to the machine housing in a vibration-damped manner.
  • Other examples are from the DE102007028382A1 , DE202012100274U1 , EP1714748A2 or DE202012214257A1 known.
  • a handheld power tool in particular an oscillating handheld power tool, is proposed, with a drive unit, with at least one Machine housing designed as an outer housing, in which the drive unit is received, with at least one coupling housing designed as a further outer housing and connected to the machine housing in an assembled state, in particular in a connection area, which is provided for coupling to a, advantageously for supplying the drive unit ,
  • Energy storage unit is provided, with an electronics unit, which is at least partially, preferably at least a large part and particularly preferably completely, arranged within the coupling housing, and with a damping unit, which when the drive unit is in operation, a transmission of vibrations and / or oscillations from the Machine housing on the coupling housing at least partially attenuates.
  • Provided is to be understood in particular as being special, designed and / or equipped.
  • the fact that an object is provided 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 expression “at least a large part” should be understood to mean in particular at least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95%.
  • the handheld power tool can be designed as any, advantageously electrically designed, particularly advantageously oscillating, handheld power tool, such as a garden tool, a drill, a combination hammer, a drill and / or chisel hammer, a drill, a cordless screwdriver, a cordless drill, as a milling machine, as a plane, as a saw and / or as a grinding machine or the like.
  • the handheld power tool is preferably designed as a multifunctional handheld power tool and particularly preferably as a multifunctional oscillation handheld power tool.
  • the hand-held tractor can also have at least one processing unit, in particular in operative connection with the drive unit, at least one, in particular at least partially, preferably at least a large part, and particularly preferably completely, further electronics unit arranged within the machine housing and / or, advantageously as a battery pack and / or embodied as a battery pack, comprise energy storage unit.
  • processing unit should be In particular, a unit can be understood which is provided in particular at least to receive at least one machining tool and / or has at least one machining tool.
  • the processing unit could be linearly, rotatably and / or rotatably driven, in particular by means of the drive unit.
  • the processing unit is preferably designed as an oscillation unit and can be driven in an oscillating manner, in particular by means of the drive unit, in particular in a back and forth movement over a defined angular range.
  • an "outer housing” is to be understood in particular as a housing in which at least 50%, advantageously at least 60%, preferably at least 70%, particularly advantageously at least 80% and particularly preferably at least 90%, of a total housing surface of the outer housing of an area surrounding the handheld power tool is facing and / or, in particular by a user and / or from the outside, is freely accessible.
  • At least 50%, advantageously at least 60%, preferably at least 70%, particularly advantageously at least 80% and particularly preferably at least 90%, of all straight lines starting from a housing surface of the outer housing and in particular aligned perpendicular to the housing surface are free from an intersection with a other component of the handheld power tool, in particular the machine housing and / or the coupling housing.
  • An “electronics unit” should also be understood to mean, in particular, a unit with at least one electrical and / or electronic component, in particular operated by means of a voltage and / or a current.
  • the functionality of the at least one electrical and / or electronic component can be impaired, damaged and / or destroyed by vibrations and / or oscillations transmitted in particular to the at least one electrical and / or electronic component.
  • the electronics unit is advantageously designed as an electronics circuit board and / or as an electronics circuit board.
  • a "damping unit” is to be understood as meaning, in particular, a unit, in particular with at least one damping element, which is intended to transfer, in particular, mechanical, vibrations and / or oscillations from the machine housing to the coupling housing, which is in particular from the drive unit and / or the Processing unit on the Machine housing are transmitted to at least partially dampen and in particular to reduce.
  • the damping unit and / or the at least one damping element is preferably arranged between the machine housing and the coupling housing and advantageously in the connection area.
  • the damping unit and / or the at least one damping element particularly preferably makes direct contact with the machine housing and / or the coupling housing, in particular in at least one state of use and advantageously permanently.
  • the machine housing and / or the coupling housing preferably has at least one receiving recess for the at least one damping element, in particular adapted to a shape and / or contour of the damping element.
  • the at least one damping element is particularly advantageously designed to be flexible and advantageously elastic and consists in particular at least partially, preferably at least to a large extent and particularly preferably completely, from a flexible and advantageously elastic material.
  • an "elastic object” is to be understood in particular as an object that has at least a partial area and / or at least a part that in a normal operating state at least in its position by at least 0.1 cm, preferably at least 0.5 cm and particularly preferably by at least 1 cm, is elastically changeable, and which in particular generates a counterforce which is dependent on a change in position and preferably proportional to the change and which in particular counteracts the change.
  • the elastic object is repeatedly deformable, in particular free from damage, and in particular automatically strives to return to a basic shape after deformation.
  • the flexible and advantageously elastic material can in particular be a silicone, an elastomer, a thermoplastic, a rubber, in particular synthetic rubber and / or advantageously natural rubber, and / or a rubber-like material.
  • the damping unit also comprises several, in particular at least two, at least four and / or at least six, advantageously at least essentially structurally identical, damping elements.
  • "At least essentially structurally identical" objects are to be understood to mean in particular objects which have outer shapes that are at least essentially identical to one another, but are in particular in at least one feature, such as an internal structure, a material and / or a way of functioning.
  • the at least essentially structurally identical objects are preferably identical to one another.
  • a corresponding configuration of the handheld power tool can in particular improve efficiency, in particular space efficiency, component efficiency, life efficiency, environmental efficiency and / or cost efficiency.
  • vibration damping of an electronics unit and an energy storage unit can be achieved, whereby a service life of the electronics unit and the energy storage unit can advantageously be extended.
  • vibrations and / or oscillations acting on a user can be reduced, whereby operating convenience can advantageously be increased.
  • a service life and / or fatigue strength can particularly advantageously be improved and / or wear can be minimized.
  • the electronics unit can be designed, for example, as control electronics for the drive unit, as control electronics for an operating unit, as control electronics for a display unit and / or as evaluation electronics for operating the handheld power tool or the like.
  • the electronics unit is preferably designed as control electronics for the energy storage unit and is provided in particular for controlling an operation and / or a supply of the energy storage unit.
  • the electronics unit advantageously has an operative connection, advantageously an electrical connection, with the energy storage unit in at least one operating state. In this way, in particular, a secure and advantageously vibration-damped connection between the energy storage unit and the electronics unit can be achieved.
  • the coupling housing encompasses the machine housing in a connection area, in particular between the coupling housing and the machine housing, in particular the aforementioned connection area, at least partially, preferably at least to a large extent and particularly preferably completely, which in particular provides stability and / or a Space efficiency can be improved.
  • assembly efficiency and / or maintenance efficiency can be improved.
  • the coupling housing has at least two, advantageously exactly two, coupling housing parts that can be separated from one another, advantageously simple assembly of the coupling housing on the machine housing and / or advantageously simple assembly of the damping unit can be achieved.
  • the machine housing particularly advantageously has at least two, advantageously precisely two, machine housing parts which can be separated from one another.
  • the machine housing and / or the coupling housing preferably have a shell construction.
  • at least one of the damping elements of the damping unit is assigned to each of the coupling housing parts and / or machine housing parts.
  • the coupling housing have at least two coupling housing parts separable from one another in a first separating direction, in particular the coupling housing parts already mentioned, and the machine housing at least two machine housing parts separable from one another in a second separating direction different from the first separating direction, in particular those already previously mentioned machine housing parts.
  • the first separation direction is preferably aligned at least substantially perpendicular to the second separation direction.
  • the expression "at least substantially perpendicular” is intended to define in particular an alignment of a direction relative to a reference direction, the direction and the reference direction, especially viewed in a plane, at an angle in particular between 82 ° and 98 °, advantageously between 85 ° and 95 ° and particularly preferably between 88 ° and 92 °. In this way, in particular, assembly can be further simplified and / or stability can be further improved.
  • a particularly high space efficiency and / or user friendliness, in particular by reducing the vibrations and / or oscillations, can be achieved in particular if the coupling housing has at least one grip area, advantageously the rear grip area and / or the grip area facing away from the machining unit, in particular for guiding and / or holding the handheld power tool.
  • the machine housing define at least one further grip area, advantageously the front grip area and / or the grip area facing the processing unit, in particular for guiding and / or holding the handheld power tool, whereby in particular an advantageous weight distribution and / or guidance of the handheld power tool can be achieved .
  • the damping unit could, for example, comprise at least one at least substantially conical, frusto-conical, spherical and / or hemispherical damping element.
  • the damping unit comprises at least one damping element which is at least essentially cylindrical, in particular circular cylindrical.
  • all of the damping elements of the damping unit are at least essentially cylindrical, in particular circular cylindrical.
  • the damping element and / or the damping elements are preferably designed in the form of a hollow cylinder.
  • an “at least substantially cylindrical” object is to be understood as meaning in particular an object that deviates from a cylindrical reference object with a volume fraction of at most 30%, preferably at most 20% and particularly preferably at most 10%.
  • the handheld power tool have at least one, advantageously pin-shaped, alignment element formed separately from the machine housing and the coupling housing, which is provided to align the machine housing and the coupling housing relative to one another when the machine housing and the coupling housing are connected.
  • the alignment element is preferably arranged in the connection area.
  • the alignment element is particularly preferably connected to the machine housing and / or the coupling housing in a non-positive and / or form-fitting manner, at least in an assembled state, advantageously by means of a clamp connection and / or a screw connection.
  • an alignment element can alternatively be designed in one piece with a machine housing and / or a coupling housing.
  • “in one piece” is to be understood in particular to be at least cohesively connected and / or designed with one another.
  • the material bond can be produced, for example, by an adhesive process, an injection molding process, a welding process, a soldering process and / or another process.
  • it is to be understood as being formed from one piece and / or in one piece.
  • This one piece is preferably made from a single blank, a mass and / or a casting, such as in an extrusion process, in particular a single and / or multi-component extrusion process, and / or an injection molding process, in particular a one and / or multi-component Injection molding process.
  • advantageous assembly and / or alignment of the components can be achieved during assembly.
  • the damping unit comprises at least one damping element which, in the assembled state, makes direct contact with the machine housing, the coupling housing and the alignment element.
  • the damping unit comprises at least one damping element which, in the assembled state, makes direct contact with the machine housing, the coupling housing and the alignment element.
  • at least two damping elements of the damping unit contact the machine housing, the coupling housing and the alignment element directly in the assembled state.
  • the handheld power tool having a drive unit, at least one machine housing designed as an outer housing in which the drive unit is accommodated, at least one designed as a further outer housing and in a mounted state, in particular in a connection area, the coupling housing connected to the machine housing, which is provided for coupling to an energy storage unit, advantageously provided for supplying the drive unit, and has an electronics unit which is at least partially, preferably at least largely and particularly preferably completely, within the Coupling housing is arranged, wherein during operation of the drive unit, a transmission of vibrations and / or oscillations from the machine housing to the coupling housing is at least partially damped, in particular by means of a damping unit.
  • an efficiency in particular a space efficiency, a component efficiency, a life efficiency, an environmental efficiency and / or a cost efficiency can be improved.
  • vibration damping of an electronics unit and an energy storage unit can be achieved, whereby a service life of the electronics unit and the energy storage unit can advantageously be extended.
  • vibrations and / or oscillations acting on a user can be reduced, whereby operating convenience can advantageously be increased.
  • a service life and / or fatigue strength can particularly advantageously be improved and / or wear can be minimized.
  • the handheld power tool and the method for damping the handheld power tool are not intended to be limited to the application and embodiment described above.
  • the hand-held power tool and the method for damping the hand-held power tool can have a number of individual elements, components and units that differs from a number of individual elements, components and units mentioned herein in order to fulfill a mode of operation described herein.
  • FIG 1 shows a handheld power tool 10 in a schematic representation.
  • the hand machine tool 10 is designed as an oscillation hand machine tool.
  • the handheld power tool 10 is designed as a multifunctional handheld power tool and, in particular, optionally provided for grinding, milling, sawing, cutting and / or rasp processing.
  • the handheld power tool 10 is designed to be operated by a motor.
  • handheld power tool 10 is designed as an electric handheld power tool.
  • the handheld power tool 10 is designed to be cordless and thus in particular battery-operated and / or battery-operated.
  • a handheld power tool as any other handheld power tool, such as a hammer drill, chisel hammer, impact drill, demolition hammer, drill, milling machine, saw, cordless screwdriver and / or garden tool or the like. It is also conceivable to design a handheld power tool to be wired and thus in particular to be network-operated.
  • the handheld power tool 10 comprises a housing unit 46.
  • the housing unit 46 forms an outer housing of the handheld power tool 10. At least a large part of the components required for operating the handheld power tool 10 are arranged within the housing unit 46.
  • the housing unit 46 comprises a machine housing 14.
  • the machine housing 14 is designed as an outer housing. In the present case, the machine housing 14 forms a front part of the handheld power tool 10. Inside of the machine housing 14, at least a large part of the components required for driving the handheld power tool 10 are arranged.
  • the machine housing 14 is also formed in at least two parts and comprises two machine housing parts 34, 36.
  • the machine housing parts 34, 36 have a shell design.
  • the machine housing parts 34, 36 are designed as housing shells.
  • the machine housing parts 34, 36 are designed to be separable from one another.
  • the machine housing parts 34, 36 can be separated from one another in a separating direction 32.
  • the machine housing parts 34, 36 can thus be moved in the separating direction 32 for separating and / or for connecting.
  • the separation direction 32 is oriented perpendicular to a processing plane and / or a substrate. Accordingly, the machine housing parts 34, 36 have a horizontal plane of separation.
  • the machine housing 14 defines a grip area 40.
  • the grip area 40 is designed as a guide grip area.
  • the grip area 40 is arranged on a side of the handheld power tool 10 facing a front area.
  • the grip area 40 is provided at least essentially for guiding the handheld power tool 10.
  • a separation direction could also be aligned parallel to a processing plane and / or a substrate.
  • a machine housing could be designed in three parts and / or four parts.
  • a machine housing could also be constructed in one piece and / or in one piece.
  • a machine housing and / or at least one machine housing part could also have a pot construction or a combination of a shell construction and a pot construction.
  • a machine housing has an additional grip element for holding and / or guiding a handheld power tool and / or that an additional grip element for holding and / or guiding the handheld power tool can be fastened to the machine housing.
  • the housing unit 46 comprises a coupling housing 16.
  • the coupling housing 16 is designed as an outer housing.
  • the coupling housing 16 is formed separately from the machine housing 14.
  • the coupling housing In the present case 16 forms a rear part of the handheld power tool 10.
  • the coupling housing 16 is provided for coupling to an energy storage unit 18.
  • the coupling housing 16 has an interface 48 for connecting the energy storage unit 18, which in the present case is designed in particular as a battery pack.
  • at least a large part of the components required for operating the energy storage unit 18 are arranged within the coupling housing 16.
  • the coupling housing 16 is connected to the machine housing 14 in an assembled state.
  • the coupling housing 16 is connected to the machine housing 14 in a connection area 24, in the present case in particular arranged at least essentially centrally with respect to the handheld power tool 10.
  • the coupling housing 16 completely surrounds the machine housing 14.
  • the coupling housing 16 is also designed in at least two parts and comprises two coupling housing parts 26, 28 (cf. also Figure 2 ).
  • the coupling housing parts 26, 28 have a shell construction.
  • the coupling housing parts 26, 28 are designed as housing shells.
  • the coupling housing parts 26, 28 are designed to be separable from one another.
  • the coupling housing parts 26, 28 can be separated from one another in a further separation direction 30 (cf. Figure 2 ).
  • the coupling housing parts 26, 28 can thus be moved in the further separation direction 30 for separation and / or connection.
  • the further separation direction 30 is different from the separation direction 32.
  • the further separation direction 30 is oriented perpendicular to the separation direction 32.
  • the further separation direction 30 is aligned in the present case parallel to the processing plane and / or the substrate. Accordingly, the coupling housing parts 26, 28 have a vertical separation plane.
  • the coupling housing 16 defines a further grip area 38.
  • the further grip area 38 is designed as the main grip area.
  • the further grip area 38 is arranged on a side of the handheld power tool 10 facing away from the front area.
  • the further grip area 38 is provided at least essentially to hold the handheld power tool 10.
  • a further separation direction could also be perpendicular be aligned with a processing plane and / or a subsurface.
  • a coupling housing could be designed in three parts and / or four parts.
  • a coupling housing could in principle also be designed in one piece and / or in one piece.
  • a coupling housing and / or at least one coupling housing part could also have a pot construction or a combination of a shell construction and a pot construction. It is also conceivable that a coupling housing has an additional grip element for holding and / or guiding a handheld power tool and / or that an additional grip element can be fastened to the coupling housing for holding and / or guiding the handheld power tool.
  • the handheld power tool 10 also comprises at least one alignment element 44 (cf. in particular Figure 2 ).
  • the handheld power tool 10 comprises two alignment elements 44, in particular in the Figures 2 to 5
  • the alignment elements 44 are formed separately from the machine housing 14.
  • the alignment elements 44 are formed separately from the coupling housing 16.
  • the alignment elements 44 are made of metal.
  • the alignment elements 44 are at least essentially identical to one another.
  • the alignment elements 44 are also designed in the shape of a pin.
  • the alignment elements 44 are designed at least essentially in the shape of a hollow cylinder. In the present case, the alignment elements 44 are designed as centering pins.
  • the alignment elements 44 are provided at least to align the machine housing 14 and the coupling housing 16 relative to one another when the machine housing 14 and the coupling housing 16 are connected.
  • the alignment elements 44 are connected to the machine housing 14 in a force-fitting and / or form-fitting manner.
  • the alignment elements 44 are connected to the machine housing 14 by means of a clamp connection in the assembled state.
  • the alignment elements 44 are non-positively and / or positively connected to the coupling housing 16 in the assembled state.
  • the alignment elements 44 are connected to the coupling housing 16 in the assembled state by means of a screw connection.
  • each of the alignment elements 44 comprises an internal thread which is used to receive a screw connection element 66. The alignment elements 44 are thus provided for fastening the coupling housing 16 to the machine housing 14.
  • the alignment elements 44 are aligned such that a respective main direction of extent of the alignment elements 44 is parallel to the further separation direction 30.
  • the alignment elements 44 are arranged offset from one another in the separating direction 32.
  • a handheld power tool could also include precisely one alignment element and / or several, in particular at least three, at least four and / or at least five alignment elements.
  • at least one alignment element could also consist of plastic.
  • at least one alignment element can be designed in one piece with a machine housing and / or a coupling housing. It is also conceivable to design at least one alignment element as a solid element and / or a solid profile.
  • the handheld power tool 10 also has a processing unit 50 (cf. Figure 1 ).
  • the processing unit 50 is arranged in the front region of the handheld power tool 10.
  • the processing unit 50 is arranged in a front area of the machine housing 14.
  • the processing unit 50 is at least partially arranged within the machine housing 14.
  • the machining unit 50 comprises at least one machining tool holder, which is provided for holding a machining tool.
  • the machining tool is intended for machining workpieces.
  • a machining unit corresponds directly to a machining tool.
  • the handheld power tool 10 includes a drive unit 12.
  • the drive unit 12 is arranged within the machine housing 14.
  • the drive unit 12 comprises a motor 60, in the present case in particular an electric motor.
  • the drive unit 12 also includes a gear 62, in the present case in particular an oscillation gear.
  • the drive unit 12 is in operative connection with the processing unit 50.
  • the drive unit 12 is provided to drive the processing unit 50 in an oscillating manner, in particular in a back and forth movement over a defined angular range.
  • a motor of a drive unit as an internal combustion engine and / or a hybrid engine.
  • a transmission could also be fundamentally different from an oscillation transmission.
  • the handheld power tool 10 also includes an electronics unit 20.
  • the electronics unit 20 is designed as an electrical and / or electronic unit. In the present case, the electronics unit 20 is designed as an electronics board. The electronics unit 20 is arranged completely in the coupling housing 16.
  • the electronics unit 20 is designed as control electronics. In the present case, the electronics unit 20 is designed as control electronics for the energy storage unit 18 and is provided in particular to control an operation and / or a supply of the energy storage unit 18. Accordingly, the electronics unit 20 has an electrical connection to the energy storage unit 18 in at least one operating state. Alternatively or additionally, however, an electronics unit could also be designed as control electronics for a drive unit and / or as evaluation electronics.
  • the handheld power tool 10 comprises a damping unit 22 (cf. in particular Figure 2 ).
  • the damping unit 22 is arranged between the machine housing 14 and the coupling housing 16.
  • the damping unit 22 is arranged in the connection area 24.
  • the damping unit 22 makes direct contact with the machine housing 14 and the coupling housing 16.
  • the damping unit 22 is provided to at least partially dampen a transmission of vibrations and / or oscillations from the machine housing 14 to the coupling housing 16 when the drive unit 12 is in operation.
  • the damping unit 22 comprises at least one damping element 42.
  • the damping unit 22 comprises four damping elements 42, in particular in the Figures 2 to 5 for the sake of clarity, only one of the damping elements 42 is provided with reference symbols.
  • the damping elements 42 are at least essentially identical.
  • the damping elements 42 are cylindrical, in the present case in particular circular cylindrical.
  • the damping elements 42 are also designed as a hollow cylinder.
  • the damping elements 42 are also designed to be flexible.
  • the damping elements 42 are designed to be deformable.
  • the damping elements 42 are elastic and consist entirely of an elastic material.
  • the damping elements 42 consist of a damping material. In the present case, the damping elements 42 are made of rubber.
  • the damping elements 42 contact the machine housing 14, the coupling housing 16 and at least one of the alignment elements 44 directly.
  • Two of the damping elements 42 are in each case arranged on opposite sides of the handheld power tool 10 with respect to the further separation direction 30.
  • the damping elements 42 are arranged completely within the coupling housing 16.
  • the damping elements 42 are arranged, in particular clamped, between an inside of the coupling housing 16 and an outside of the machine housing 14.
  • the machine housing 14 has several, in the present case in particular four, receiving recesses 64 corresponding to the damping elements 42, one of the damping elements 42 being arranged in each of the receiving recesses 64 in the assembled state (cf. in particular Figure 3 ).
  • two of the damping elements 42 are assigned to each of the alignment elements 44.
  • the damping elements 42 completely encompass the respective alignment element 44.
  • the damping element 42 is arranged in one of the receiving recesses 64 of the machine housing 14.
  • a first cover surface 68 of the damping element 42 contacts the machine housing 14.
  • an outer side surface 70 of the damping element 42 contacts the machine housing 14.
  • the outer side surface 70 of the damping element 42 contacts the machine housing 14 at least over part of an entire extent of the damping element 42.
  • the damping element 42 completely encompasses one of the alignment elements 44.
  • an inner side surface 72 of the damping element 42 contacts the alignment element 44.
  • the inner side surface 72 of the damping element 42 contacts the alignment element 44 over an entire extent of the damping element 42.
  • a second cover surface 74 of the damping element 42 opposite, in particular, the first cover surface 68 makes contact with the coupling housing 16.
  • a damping unit could also have a different number of damping elements, such as precisely one damping element and / or two damping elements and / or at least six damping elements.
  • At least one damping element could also have a shape deviating from a cylinder and, for example, be designed in the shape of a truncated cone.
  • at least one damping element could in principle also consist of silicone and / or a thermoplastic.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Vibration Prevention Devices (AREA)
EP17745148.1A 2016-08-22 2017-07-17 Handwerkzeugmaschine und verfahren zur dämpfung einer handwerkzeugmaschine Active EP3500405B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215660.8A DE102016215660A1 (de) 2016-08-22 2016-08-22 Handwerkzeugmaschine und Verfahren zur Dämpfung einer Handwerkzeugmaschine
PCT/EP2017/067977 WO2018036720A1 (de) 2016-08-22 2017-07-17 Handwerkzeugmaschine und verfahren zur dämpfung einer handwerkzeugmaschine

Publications (2)

Publication Number Publication Date
EP3500405A1 EP3500405A1 (de) 2019-06-26
EP3500405B1 true EP3500405B1 (de) 2020-12-16

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EP17745148.1A Active EP3500405B1 (de) 2016-08-22 2017-07-17 Handwerkzeugmaschine und verfahren zur dämpfung einer handwerkzeugmaschine

Country Status (4)

Country Link
EP (1) EP3500405B1 (zh)
CN (1) CN109863001B (zh)
DE (1) DE102016215660A1 (zh)
WO (1) WO2018036720A1 (zh)

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WO2022246220A1 (en) * 2021-05-21 2022-11-24 Milwaukee Electric Tool Corporation Oscillating multi-tool

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019212302A1 (de) * 2019-08-16 2021-02-18 Robert Bosch Gmbh Bearbeitungswerkzeug, insbesondere Oszillationsbearbeitungswerkzeug
DE202019106969U1 (de) * 2019-12-13 2021-03-16 C. & E. Fein Gmbh Elektrische Handwerkzeugmaschine
DE202019106967U1 (de) * 2019-12-13 2021-03-16 C. & E. Fein Gmbh Elektrische Handwerkzeugmaschine
EP3943251A1 (de) * 2020-07-22 2022-01-26 Hilti Aktiengesellschaft Stossdämpfungseinrichtung für einen akkumulator
WO2022261302A1 (en) 2021-06-09 2022-12-15 Black & Decker Inc. Battery pack isolation system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2749381A1 (en) * 2012-12-25 2014-07-02 Makita Corporation Impact tool

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4575223B2 (ja) * 2005-04-20 2010-11-04 株式会社マキタ 回転工具
JP4977533B2 (ja) 2007-06-07 2012-07-18 株式会社マキタ 可搬型電動工具
DE102007028382A1 (de) * 2007-06-20 2008-12-24 Robert Bosch Gmbh Handwerkzeugmaschinengehäuseeinheit
DE102009002982A1 (de) * 2009-05-11 2010-11-18 Robert Bosch Gmbh Handwerkzeugmaschine, insbesondere Elektrohandwerkzeugmaschine
DE202012100274U1 (de) * 2012-01-26 2012-03-15 Einhell Germany Ag Handwerkzeugmaschine
DE102012212066A1 (de) * 2012-07-11 2014-01-16 Robert Bosch Gmbh Tragbare Werkzeugmaschine
DE102012214257A1 (de) * 2012-08-10 2014-02-13 Robert Bosch Gmbh Elektrowerkzeug mit einem Motorgehäuse und einem Handgriff mit mehreren elastischen Dämpfungselementen
US10232479B2 (en) 2013-05-06 2019-03-19 Milwaukee Electric Tool Corporation Power tool including a battery pack isolation system
DE102014103856A1 (de) 2014-03-20 2015-09-24 C. & E. Fein Gmbh Handwerkzeug mit einem Außengehäuse und einem Innengehäuse

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2749381A1 (en) * 2012-12-25 2014-07-02 Makita Corporation Impact tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022246220A1 (en) * 2021-05-21 2022-11-24 Milwaukee Electric Tool Corporation Oscillating multi-tool

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EP3500405A1 (de) 2019-06-26
CN109863001B (zh) 2022-08-02
DE102016215660A1 (de) 2018-02-22
CN109863001A (zh) 2019-06-07

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