EP3389946B1 - Machine-outil portative pourvue d'une unité de commande - Google Patents

Machine-outil portative pourvue d'une unité de commande Download PDF

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Publication number
EP3389946B1
EP3389946B1 EP16809021.5A EP16809021A EP3389946B1 EP 3389946 B1 EP3389946 B1 EP 3389946B1 EP 16809021 A EP16809021 A EP 16809021A EP 3389946 B1 EP3389946 B1 EP 3389946B1
Authority
EP
European Patent Office
Prior art keywords
power tool
shifting
unit
switching
portable power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16809021.5A
Other languages
German (de)
English (en)
Other versions
EP3389946A1 (fr
Inventor
Florian Bantle
Juergen Gairing
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
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3389946A1 publication Critical patent/EP3389946A1/fr
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Publication of EP3389946B1 publication Critical patent/EP3389946B1/fr
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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
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/023—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket for imparting an axial impact, e.g. for self-tapping screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/006—Mode changers; Mechanisms connected thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/091—Electrically-powered tool components
    • B25D2250/095—Electric motors

Definitions

  • the present invention relates to a hand-held power tool with a drive unit for driving an insert tool in at least one non-striking operating mode, the drive unit having a hammer mechanism for driving the insert tool in an assigned striking mode, and the drive unit having a switching unit for switching the drive unit between the at least one a non-striking operating mode and the assigned striking mode is assigned.
  • Hand-held power tools are known from the prior art which have a drive unit with a drive motor, the drive unit being assigned an impact mechanism and / or a switchable transmission.
  • the drive unit In order to activate / deactivate the striking mechanism and / or switch the drive unit between two or more different gear stages, the drive unit is assigned a manually actuable switch element.
  • a hand-held power tool with a gear change-over unit which is provided with an actuatable shift ring and an actuating unit with a servomotor.
  • the servomotor is designed to actuate the actuatable shift ring for gear shifting between different gear stages when activated.
  • this hand tool has no striking mechanism.
  • the document DE 44 45 812 A1 discloses a hand tool with a hammer mechanism.
  • the present invention provides a new hand tool with a drive unit for driving an insert tool in at least one non-striking operating mode, the drive unit having a hammer mechanism for driving the insert tool in an associated striking mode, and the drive unit having a switching unit for switching the drive unit between is assigned to the at least one non-striking operating mode and the assigned striking mode.
  • the switching unit is assigned a servomotor which is designed to activate the hammer mechanism when the drive unit is activated in the non-striking operating mode by switching the drive unit from the at least one non-striking operating mode to the assigned striking mode.
  • the invention thus makes it possible to provide a new hand-held power tool in which at least the hammer mechanism can be conveniently activated or deactivated by a motor, with a further ease of use possibly being improved.
  • a fully automatic activation or deactivation depending on an application scenario of the hand machine tool can also be implemented. It is thus possible in a simple manner to switch the drive unit from the at least one non-striking operating mode to the assigned striking mode by the servomotor.
  • the servomotor is preferably coupled to an activation element for activating the hammer mechanism, the activation element being designed to release a blocking of the hammer mechanism in a non-striking operating mode by at least one deactivation element.
  • the hammer mechanism can thus be activated and deactivated safely and reliably.
  • the activation element has an inclined plane for the axial displacement of the at least one deactivation element, and / or a deflection system for the axial displacement of the at least one deactivation element is assigned to the activation element, and / or the activation element is designed in the manner of an actuating unit.
  • a switching unit can be provided with which the hammer mechanism can be adjusted to different Way can be activated / deactivated.
  • the switching unit preferably has an actuatable switching element, the servomotor being designed to activate the actuatable switching element to switch the drive unit between the at least one non-striking operating mode and the assigned striking mode when activated.
  • the hammer mechanism can thus be activated and / or deactivated simply and safely.
  • the servomotor is preferably designed to drive a shaft on which a linearly movable actuating element is provided which is coupled to the actuatable switching element and is designed to convert a rotary movement of the shaft into a linear movement of the actuatable switching element required for activating or deactivating the hammer mechanism.
  • the rotary movement of the servomotor can thus be effectively and reliably converted into a linear movement of the switching element.
  • the shaft is preferably designed in the manner of a threaded shaft. A robust and stable shaft for linear movement of the actuating element can thus be provided.
  • the drive unit has a switchable transmission, the switch unit being designed to switch between at least two different gear stages.
  • a drive unit can thus be provided in which an application-specific setting of a torque available during operation can be made possible via a gear stage setting.
  • the switchable transmission is preferably designed in the manner of a planetary transmission, the actuatable switching element being designed in the manner of a switching ring gear which is linearly movable between at least two shift positions, the at least two shift positions being assigned to the at least two different gear stages.
  • a suitable switchable transmission can thus be provided in a simple manner.
  • the switching unit has a transmission unit on, which couples the actuating element to the switching ring gear and is designed to transmit a linear movement of the actuating element to the linearly movable switching ring gear.
  • the linear movement of the actuating element can thus be transmitted safely and reliably to the shiftable transmission or its switching ring gear.
  • the transmission unit preferably has a shift rod which is linearly displaceable by a linear movement of the adjusting element and connects the switching ring gear to the adjusting element. A stable and robust coupling of the actuating element to the switching ring gear can thus be achieved.
  • the transmission unit preferably has a switching bracket which connects the shift rod and the shift ring gear to one another in such a way that, in a tooth-on-tooth arrangement of the shift ring gear with the shiftable transmission, the shift ring gear is prestressed in the direction of a predetermined shift position. This enables a safe and reliable connection between the shift rod and the shift ring gear for transmitting the linear movement.
  • a first switching position of the actuating element corresponds to a screwing mode, a second switching position to a drilling mode and a third switching position to an impact drilling mode.
  • a setting of different operating modes of the hand tool can thus be made possible.
  • a position detection element is preferably assigned to the actuating element, which is designed to detect a respectively current switching position of the actuating element. In this way, a current operating mode of the handheld power tool can be determined in a simple and uncomplicated manner.
  • the actuating element can preferably be moved at least between a first and a second switching position, the first switching position corresponding to the at least one non-striking operating mode and the second switching position corresponding to the assigned striking mode, and the position detection element being linearly displaceable at least between a first and a second detection position, wherein the first detection position is designed to detect the first switching position and the second detection position is designed to detect the second switching position.
  • the current switching position can easily Way can be detected.
  • a linear sensor is preferably assigned to the position detection element and is designed to detect a current detection position of the position detection element.
  • the current detection position of the position detection element can thus be detected safely and reliably.
  • the position detection element is arranged on the control element or on the shaft assigned to the control motor. A simple and uncomplicated arrangement of the position detection element for detecting the current switching position of the actuating element can thus be made possible.
  • An operating unit is preferably provided for setting an operating mode required during operation by activating the servomotor. It is thus possible to set the operating mode in a simple manner.
  • the control unit preferably has at least one display element for displaying a respectively set operating mode.
  • the operating mode set in each case can thus be clearly and clearly recognizable to a user via the at least one display element.
  • Fig. 1 shows an exemplary hand power tool 100 with a housing 110, in which at least one drive motor (210 in Fig. 2 ) for driving a preferably interchangeable insert tool 109 that can be arranged in a tool holder 190 in at least one non-striking operating mode.
  • the tool holder 190 is preferably designed for receiving insert tools with an external coupling, for example a screwdriver bit, and / or for receiving insert tools with an internal coupling, for example a socket wrench.
  • the tool holder 190 is connected to an insert tool 109 with an external coupling, the insert tool 109 in Fig. 1 is designed as an example as a screwdriver bit.
  • Such a screwdriver bit is sufficiently known from the prior art so that an in-depth description is omitted here for the sake of conciseness of the description.
  • the housing 110 preferably has at least one handle.
  • the housing 110 has a first handle 103 and a second handle 104.
  • the two handles 103, 104 each have a handle area which is designed to be grasped by one hand of a user during operation.
  • the first handle 103 is arranged on an end of the handheld power tool 100 facing away from the tool holder 190
  • the second handle 104 is arranged on an end of the handheld power tool 100 facing the tool holder 190.
  • a hand switch 105 is arranged on the first handle 103.
  • the drive motor (210 in Fig. 2 ) can be actuated, for example, via the manual switch 105, that is to say it can be switched on and off, and preferably electronically controlled or regulated in such a way that both reversing operation and specifications with regard to a desired rotational speed can be implemented.
  • An on / off switch is preferably assigned to the manual switch 105, the manual switch 105 is preferably designed as a pusher, but can also be designed as a button.
  • a direction of rotation switch 106 is preferably arranged in the area of the hand switch 105, via which optionally a direction of rotation of the drive motor (210 in Fig. 2 ) or an output shaft assigned to the drive motor is adjustable.
  • the handheld power tool 100 can preferably be connected to a battery pack 102 for the mains-independent power supply, but can alternatively also be operated in a network-dependent manner.
  • the hand-held power tool 100 is preferably designed in the manner of an impact drill or impact screwdriver and has an impact mechanism (260 in. For the impact drive of the insert tool 109 in an assigned impact mode Fig. 2 ) on.
  • the striking mechanism (260 in Fig. 2 ) designed as a hammer mechanism, preferably as a pneumatic hammer mechanism, in particular as a wobble hammer mechanism.
  • the handheld power tool 100 has a switchable gear (220 in Fig. 2 ) that can be switched between at least a first and a second gear stage.
  • the first gear step can correspond to a screw mode, for example, and the second gear step can correspond to a drilling mode.
  • further gear stages can also be realized, so that, for example, a drilling mode with a small torque in the second gear stage and a drilling mode with a large torque is assigned to a third gear stage, etc.
  • the gearbox (220 in Fig. 2 ) and the drive motor (210 in Fig. 2 ) and the striking mechanism (260 in Fig. 2 ) preferably form a drive unit (211 in Fig. 2 ) to drive the insert tool 109.
  • the drive unit (211 in Fig. 2 ) is also assigned a switching unit 205 which, at least for switching the drive unit between the at least one non-striking operating mode and the assigned striking mode, or for activating / deactivating the striking mechanism (260 in Fig. 2 ) is trained.
  • the switching unit 205 is preferred for activating / deactivating the hammer mechanism (260 in Fig. 2 ) and / or for switching the switchable transmission (220 in Fig. 2 ) between at least two different gear levels.
  • At least one user guidance unit 115 is provided, which at least for activating / deactivating the striking mechanism (260 in Fig. 2 ) is provided.
  • the user guidance unit 115 can be used for active and / or passive user guidance when the hammer mechanism (260 in.) Is activated / deactivated accordingly Fig. 2 ) be trained.
  • active user guidance a user of handheld power tool 100 is preferably guided by visual, auditory and / or haptic instructions or requests for activation / deactivation, while with passive user guidance a corresponding activation / deactivation is carried out automatically and is preferably only displayed to the user. Exemplary implementations of active and passive user guidance are described in detail below.
  • the user guidance unit 115 preferably has at least one manually operable operating unit with at least one manually operable operating element 116, 117, preferably with three operating elements (1821-1823 in Fig. 18 ), and illustratively with a first and second manually operable control element 116, 117.
  • the illustrative two operating elements 116, 117 are preferably at least for initiating a switching process for activating / deactivating the striking mechanism (260 in Fig. 2 ) educated. It is pointed out that the user guidance unit 115 alternatively or additionally also for switching over the switchable transmission (220 in Fig. 2 ) can be formed. At least one of the two operating elements 116, 117 can preferably be designed as a switch and / or button.
  • the user guidance unit 115 preferably comprises a mobile computer, e.g. a smartphone and / or a tablet computer, and / or the operating element 116, 117 can be designed as a display.
  • a mobile computer e.g. a smartphone and / or a tablet computer
  • the operating element 116, 117 can be designed as a display.
  • other so-called “smart devices” such as B. a watch, glasses, etc. can be used as a mobile computer.
  • gesture control can also be used.
  • the user guidance unit 115 is at least partially integrated into the handheld power tool 100 and / or at least partially as an external, separate component (1740 in Fig. 17 ) educated.
  • the display can be integrated in the handheld power tool 100 and / or externally be arranged. Switching instructions can preferably be shown on the display in order at least to make it easier for a user of handheld power tool 100 to operate and / or to set, for example, an application-specific operating mode of handheld power tool 100.
  • the handheld power tool 100 preferably has a communication interface 1050, which is preferably provided for communication with the user guidance unit 115, which can preferably be operated by a user, and is designed to at least activation / deactivation instructions for activating / deactivating the striking mechanism (260 in Fig. 2 ) and / or switching instructions for application-specific switching of the transmission (220 in Fig. 2 ) between the two different gear levels.
  • the communication interface 1050 is at least designed to send a control or actuation signal to at least one of the operating elements 116, 117.
  • the control signal can be generated in response to an actuation of the at least one operating element 116, 117.
  • the generation of the control signal can preferably be triggered by the user guidance unit 115, i.e. for example by means of a mobile computer in the form of a smartphone or a tablet computer, so that the operating elements 116, 117 can also be dispensed with.
  • the generation can also be triggered directly by the communication interface 1050, e.g. as a function of predetermined operating parameters, so that the operating elements 116, 117 can in turn be dispensed with.
  • the communication interface 1050 is designed in the manner of a wireless transmission module, in particular as a radio module for wireless communication using the Bluetooth standard.
  • the transmission module can also be designed for any other wireless and / or wired communication, for example via WLAN and / or LAN.
  • Fig. 2 shows the handheld power tool 100 of Fig. 1 with a drive unit 211 for driving the insert tool 109, with a drive motor 210.
  • the drive unit 211 is assigned at least one hammer mechanism 260, in particular a wobble hammer mechanism, for the impact drive of the insert tool 109.
  • the wobble striking mechanism 260 is preferably designed to convert a rotational movement of the drive unit 211 into an axial impact pulse that corresponds to that in the tool holder 190 of FIG Fig. 1 arranged insert tool 109 is transmitted.
  • the wobble mechanism 260 has a wobble bearing 263 which is connected to a wobble finger 262, the wobble bearing 263 transmitting the rotary movement of the drive motor 210 to the wobble finger 262.
  • the wobble finger 262 preferably converts the rotary movement into an axial impact pulse and transmits it to a piston unit 265.
  • the wobble bearing 263 is preferably connected to a countershaft 267. When the wobble mechanism 260 is in operation, the wobble bearing 263 rotates relative to the wobble finger 262 and synchronously with the countershaft 267.
  • a drive element 261 illustratively designed as a pinion, for driving a gearwheel 264 assigned to the wobble mechanism 260 is arranged ,
  • the mode of operation of the wobble striking mechanism 260 and further details of components thereof are shown in FIG DE 10 2012 212 404 A1 and the DE 10 2012 212 417 A1 described.
  • the striking mechanism 260 which is preferably designed as a wobble striking mechanism, is also referred to below as a “hammer striking mechanism 260”.
  • At least one, illustratively a first and second deactivation element 274, 276, blocks the hammer mechanism 260 or the piston unit 265 so that the piston unit 265 is axially blocked.
  • the first deactivation element 274 is arranged perpendicular to a longitudinal axis of the drive motor 210 in the housing 110 and the second deactivation element 276 is arranged parallel to the longitudinal axis of the drive motor 210.
  • the first deactivation element 274 is preferably acted upon by a spring element 278 away from the housing 110 or towards the hammer mechanism 260 and the second deactivation element 276 is acted on via a spring element 277 in the direction of the tool holder 190 or in the direction of the gearwheel 264 of the hammer mechanism 260.
  • the first deactivation element 274 preferably has a blocking side 269 facing the second deactivation element 276 and the second deactivation element 276 has a blocking edge 275 facing the first deactivation element 274, the blocking side 269 being in contact with the blocking edge 275 in the non-striking operating mode and thus the second deactivation element 276 prevents axial movement of the piston unit 265.
  • the drive unit 211 has a switchable transmission 220.
  • the drive unit 211 preferably has the hammer mechanism 260 and the switchable transmission 220, wherein preferably an axis of rotation of the countershaft 267 of the hammer mechanism 260 corresponds to an axis of rotation of the switchable transmission 220.
  • a gearwheel 238 assigned to the gearbox 220 is connected to the hammer mechanism 260 or arranged on the countershaft 267.
  • the switchable transmission 220 is preferably designed in the manner of a planetary transmission and preferably at least between two different gear stages (G1, G2 in Fig. 3 ) switchable.
  • the transmission 220 has at least one, illustratively three contours 232, 234, 236.
  • the first contour 232 is preferably embodied laterally on the switching ring gear 230 and is arranged facing the drive motor 210, the first contour 232 preferably being associated with a contour element 237 with a counter contour.
  • the contour element 237 preferably has sheet metal.
  • the second contour 234 is preferably assigned to the first gear stage of the transmission 220 and the third contour 236 is assigned to the second gear stage, the respective contours 234, 236 meshing with the switching element 230.
  • the switching element 230 is designed in the manner of a switching ring gear, which is located between at least two switching positions (S, D in Fig.
  • the switching ring gear 230 is designed as a ring gear of a second planetary gear stage, but alternatively the switching ring gear 230 can also be designed as an additional switching ring gear of the planetary gear 220.
  • a gear change is preferably also possible with a tooth-on-tooth arrangement between the switching ring gear 230 and the planetary gear 220.
  • a drive element 239 is assigned to the transmission 220, illustratively on a side facing away from the hammer mechanism 260 or a side facing the drive motor 210.
  • the drive element 239 preferably meshes with an output element 212 of the drive motor 210.
  • the drive element 239 and the output element 212 are preferably designed as pinions.
  • FIG. 2 the switching unit 205 from Fig. 1 , which is designed to activate / deactivate the hammer mechanism 260 and / or to switch the switchable transmission 220. It is pointed out that the switching unit 205 can activate / deactivate the hammer mechanism or the hammer mechanism 260 and can switch the transmission 220. However, the switching unit 205 can also only activate / deactivate the hammer mechanism 260 or switch the transmission 220. For the sake of simplicity and conciseness of the description, only the switching unit 205 for activating / deactivating the hammer mechanism 260 and for switching the switchable transmission 220 is described below.
  • the switching unit 205 is preferably assigned at least one actuating unit 280 with a servomotor 282 and a servomotor gear 284.
  • the communication interface 1050 is preferably designed to transmit a control signal for activating the servomotor 282 to the servomotor 282.
  • the actuating unit 280 is designed to activate the hammer mechanism 260 in the non-striking operating mode by switching the drive unit 211 from the at least one non-striking operating mode to the assigned striking mode or to activate / deactivate the hammer mechanism 260 upon activation and / or when activated, the transmission 220 to switch between the two different gear stages.
  • the servomotor 282 is preferably coupled to an activation element 297 via an actuating element 292.
  • the switching unit 205 has an actuatable switching element 230, the servomotor 282 being designed, when activated, to actuate the actuable switching element 230 for switching the drive unit 211 between the at least one non-striking operating mode and the assigned impact mode and / or for changing gear Gearbox 220 to operate.
  • the actuating element 292 is preferably designed to convert a rotary movement of the shaft 285 at least into a linear movement of the actuatable switching element 230.
  • the servomotor 282 is preferably designed to drive a shaft 285 on which the preferably linearly movable actuating element 292 is arranged.
  • the shaft 285 is preferably designed in the manner of a threaded shaft which has a constant thread pitch at least in sections along its axial extent, and preferably along its entire length.
  • the control element 292 is preferably in at least two, illustratively three switching positions (H, D, S in Fig. 3 ) can be arranged, which are each preferably assigned to an operating mode. At least one first switching position (S, D in Fig. 3 ) the at least one non-striking operating mode and a second switching position (H in Fig. 3 ) corresponds to the assigned beat mode.
  • the first switching position (S in Fig. 3 ) a screwing mode with a preferably comparatively slow rotational speed of the insert tool 109
  • the second switching position (D in Fig. 3 ) corresponds to a drilling mode with a comparatively fast rotational speed of the insert tool 109
  • a third switching position (H in Fig. 3 ) corresponds to the assigned impact mode, in particular an impact drilling mode.
  • the actuating element 292 is preferably assigned a position detection element 258 which can be displaced linearly at least between a first and a second, preferably a first, second and third, detection position.
  • the first detection position is for the detection of the first switching position (S in Fig. 3 )
  • the second detection position for the detection of the second switching position (D in Fig. 3 )
  • the third detection position for the detection of the third switching position (H in Fig. 3 ) educated.
  • a switch position (S, D, H in Fig. 3 ) or a detection position of the control element 292 and the two other switching positions are determined and / or approached via a time / current function.
  • the second switching position (D in Fig. 3 ) or the second detection position is detected.
  • the position detection element 258 is associated with electronics 250 with at least one linear sensor 255, which is designed to detect a current detection position of the position detection element 258.
  • the linear sensor 255 is preferably arranged on an underside 256 of a circuit board 251 facing the position detection element 258.
  • linear sensor 255 is assigned at least one, illustratively three sensor elements 252, 253, 254.
  • the position detection element 258 is arranged on the adjusting element 292, but can alternatively be arranged on the shaft 285.
  • the shaft 285, which is preferably designed as a threaded shaft, in the area of the linear sensor 255 can have, at least in some areas, a larger or smaller thread pitch deviating from the thread pitch otherwise provided along its axial extent, in order to enable an application-specific setting of a linear movement of the adjusting element 292.
  • the control element 292 is exemplary in the first switching position (S in Fig. 3 ) or the first detection position, wherein the sensor element 254 detects the position detection element 258.
  • the activation element 297 is designed to release a blocking of the hammer mechanism 260 in a non-striking operating mode by the two deactivation elements 274, 276.
  • the activation element 297 can have an inclined plane (710 in Fig. 7 ) for the axial displacement of the at least one deactivation element 274, and / or the activation element 297 is assigned a deflection system 270 for the axial displacement of the at least one deactivation element 274, and / or the activation element 297 is in the manner of an actuating unit (1620 in Fig. 16 ) educated.
  • the activation element 297 is coupled to a deflection system 270, the deflection system 270 being designed to activate and / or deactivate the hammer mechanism 260.
  • the activation element 297 is designed to block the hammer mechanism 260 in one to solve non-striking operating mode by the two deactivation elements 274, 276.
  • the deflection system 270 is preferably assigned a deflection element 272, which has a first and second leg element 271, 279, which are arranged at a predetermined angle to one another and which are connected to one another via a pivot point 273.
  • the deflection element 272 is pivotably arranged in the housing 110 via the pivot point 273.
  • the first leg element 271 is arranged facing the first deactivation element 274 and the second leg element 279 is arranged facing the activation element 297.
  • the pivot point 273 is preferably illustratively above the activation element 297.
  • the deflection element 272 is preferably pivoted clockwise.
  • the actuating element 292 is in the third switching position (H in Fig. 3 ) is arranged, the second leg element 279 being pivoted clockwise by the activation element 297.
  • the first leg element 271 acts on the first deactivation element 274 against a spring force of the spring element 278 or displaces the first deactivation element 274 upward in the direction of the housing 110 or its axial direction.
  • the second deactivation element 276 is released and the piston unit 265 of the hammer mechanism 260 is released or the striking mode is set.
  • the actuating element 292 moves into the first or second switching position (S, D in Fig. 3 ), the activation element 297 moving away from the second leg element 273.
  • the two spring elements 278, 277 act on the deactivation elements 274, 276, which then move back to their starting position and block or deactivate the hammer mechanism 260.
  • the operating unit 115 is provided for setting an operating mode required during operation by activating the servomotor 282 of the switching unit 205.
  • the servomotor 282 can be activated by actuating the at least one control element 115.
  • the communication interface 1050 of Fig. 1 designed to transmit a control signal to the actuator 282 to activate the actuator 282.
  • the switching unit 205 preferably has a transmission unit 290 which couples the actuating element 292 to the shifting ring gear 230 of the transmission 220 and is designed to transmit a linear movement of the adjusting element 292 to the linearly movable shifting ring gear 230.
  • the transmission unit 290 preferably has a shift rod 295 which is linearly displaceable by a linear movement of the actuating element 292.
  • a first and second stop element 293, 294 are preferably assigned to the actuating element 292, the first stop element 293 being arranged facing the hammer mechanism 260 and the second stop element 294 being arranged facing the drive motor 210.
  • the shift rod 295 is in the first and second shift positions (S, D in Fig. 3 ) on the first stop element 293 and in the third switching position (H in Fig. 3 ) is the shift rod 295 on the second stop element 294.
  • the switching rod 295 is arranged in a guide element 296, which is preferably connected to the actuating element 292.
  • the transmission unit 290 preferably connects the shift ring gear 230 to the actuating element 292.
  • the transmission unit 290 preferably has a shift bracket 240 which connects the shift rod 295 and the shift ring gear 230 to one another.
  • the switching ring gear 230 is preferably only axially fixed with the switching bracket 240.
  • the switching bracket 240 is preferably designed as a wire bracket. It is pointed out that the design of the transmission unit 290 with a shift rod 295 and a shift bracket 240 is only of an exemplary nature and should not be seen as a limitation of the invention.
  • the shift rod 295 can also be connected directly to the shift ring gear 230, that is to say without a shift bracket 240.
  • Fig. 3 shows the drive unit 211 of FIG Fig. 2 the handheld power tool 100 from Fig. 1 with the switching unit 205 and illustrates an exemplary arrangement of the switching unit 205 or the actuating element 292 in at least two, illustratively three operating modes or switching positions S, D, H.
  • a first switching position S corresponds to a first gear stage G1 of the transmission 220, which is preferably one comparatively slow gait.
  • the first switching position S preferably corresponds to a screwing mode.
  • the actuating element 292 is preferably arranged on the shaft 285 in such a way that the sensor element 254 detects the position detection element 258.
  • a spring element 412 assigned to the transmission unit 290 acts on the shift rod 295 in the first gear stage G1 or on the first stop element 293 of the actuating element 292.
  • the switching ring gear 230 preferably meshes with the contour element 237, a positive fit preferably being formed.
  • a linear movement of the control element 292 in the direction of the tool holder 190 preferably moves the control element 292 into a second switching position D.
  • the second switching position D preferably corresponds to a second gear stage G2 of the transmission 220, which preferably corresponds to a comparatively fast gear type.
  • the second switching position D preferably corresponds to a drilling mode.
  • the control element 292 is preferably arranged on the shaft 285 in the second switching position D or the second detection position such that the sensor element 253 detects the position detection element 258.
  • the spring element 412 acts on the shift rod 295 in the second gear stage G2 or, analogously to the first shift position S, on the first stop element 293 of the actuating element 292.
  • the switching ring gear 230 preferably meshes with the third contour 236 of the gear wheel 238, a positive fit preferably being formed ,
  • a further linear movement of the actuating element 292 in the direction of the tool holder 190 preferably moves the actuating element 292 into a third shift position H.
  • the third shift position H preferably corresponds to the second gear stage G2 of the transmission 220 and a striking mode or a position S1 of the hammer mechanism 260.
  • the third shift position H preferably corresponds to a percussion drilling mode, but can also correspond to a further percussion drilling mode in which the transmission 220 is switched to the first gear stage G1.
  • the shifting bracket 240 acts on this Switching ring gear 230 in such a way that the two parts can mesh with one another when the drive motor 210 starts up and can thus mesh with one another.
  • the hammer mechanism 260 is deactivated in the first and / or second switching position S, D, the gearwheel 264 assigned to the hammer mechanism 260 being arranged in a position S0. In this position S0, an axial movement of the hammer mechanism 260 or an impact pulse is blocked by the two deactivation elements 274, 276.
  • the blocking side 269 of the first deactivation element 274 bears against the blocking edge 275 of the second deactivation element 276, the second deactivation element 276 with its side 301 facing the tool holder 190 preventing axial movement of a support element 305 assigned to the hammer mechanism 260 and thus preventing axial movement of the piston unit 265 or an impact pulse of the hammer mechanism 260 blocked.
  • the support element 305 is preferably designed as a needle bearing, which is designed to decouple the second deactivation element 276 from the gear 264.
  • the actuating element 292 is preferably arranged on the shaft 285 in such a way that the sensor element 252 detects the position detection element 258.
  • a spring element 412 assigned to the transmission unit 290 urges the shift rod 295 into the second gear stage G2 and the activation element 297 assigned to the actuating element 292 preferably rotates the deflection element 272 in a clockwise direction.
  • the first leg element 271 as described above, is pivoted against the spring force of the spring element 278 against the first deactivation element 274 or it moves the first deactivation element 274 in the direction of the housing 110.
  • the second deactivation element 276 is thereby released, one of the countershaft 267 the bottom 304 of the first deactivation element 274 facing the hammer mechanism 260 is arranged on an upper side 303 of the second deactivation element 276 facing the first deactivation element 274.
  • An axial force is applied to the tool holder 190 via the insert tool 109, which force shifts with the gear 264 in the direction of the drive motor 210 or into the position S1 and thus activates the hammer mechanism 260.
  • the activation element 297 moves away from the second leg element 273.
  • the two spring elements 278, 277 act on the deactivation elements 274, 276, which then move back to their starting position and deactivate the hammer mechanism 260 or shift the gear 264 axially in the direction of the tool holder 190 and thus arrange them in the position S0.
  • Fig. 4 shows the handheld power tool 100 of 1 to 3 with the drive unit 211 and the switching unit 205 in the first switching position S.
  • the sensor element 254 detects the position detection element 258 and the spring element 412 applies the switching rod 295 to the first gear stage G1 or to the first stop element 293 of the actuating element 292.
  • Clarified Fig. 4 the guide element 296, which has an H-shaped base body with a recess 416 facing the hammer mechanism 260 and a recess 414 facing the drive motor 210.
  • the spring element 412 is preferably arranged in the recess 414 and the activation element 297 is arranged in the recess 416.
  • the shift rod 295 is assigned to the guide element 296, preferably embodied in one piece with it.
  • Clarified Fig. 4 the exemplary embodiment of the shift rod 295 with a preferably approximately triangular base body.
  • the shift rod 295 preferably has a recess 422 in the region of its end facing the shift ring gear 230 for arranging the shift bracket 240.
  • the switching bracket 240 preferably connects the switching rod 295 and the switching ring gear 230 to one another in such a way that, in a tooth-on-tooth arrangement of the switching ring gear 230 with the transmission 220, the switching ring gear 230 is biased by the switching bracket 240 in the direction of the set switching position.
  • FIG. 4 an exemplary embodiment of the contour element 237, which preferably forms a positive connection in the first switching position S with the first contour 232 of the switching ring gear 230.
  • the switching ring gear 230 preferably meshes with the second contour 234 of the transmission 220.
  • the first deactivation element 274 which preferably has an L-shaped base body, the second leg element 271 abutting a lower edge 401 of the first deactivation element 274 facing the leg element 271.
  • Fig. 5 shows the handheld power tool 100 of 1 to 3 with the drive unit 211 and the switching unit 205 in the second switching position D.
  • the sensor element 253 detects the position detection element 258 and the spring element 412 applies the switching rod 295 to the second gear stage G2 or to the first stop element 293 of the actuating element 292.
  • the switching ring gear 230 meshes with the third contour 236.
  • Fig. 6 shows the handheld power tool 100 of 1 to 3 with the drive unit 211 and the switching unit 205 in the third switching position H.
  • the sensor element 252 detects the position detection element 258, the spring element 412 applies the switching rod 295 to the second gear stage G2 and the activation element 297 rotates this Deflection element 272 for activating the hammer mechanism 260.
  • the first leg element 271 as described above, is pivoted against the spring force of the spring element 278 against the first deactivation element 274 or the first deactivation element 274 is pressed upwards in the direction of the housing 110, illustratively.
  • the second deactivation element 276 is released or moved in the direction of an arrow 601 in the direction of the drive motor 210.
  • the bottom 304 of the first deactivation element 274 is arranged on the top 303 of the second deactivation element 276.
  • the shift rod 295 is preferably fixed between a housing stop and the second stop element 294.
  • Fig. 7a shows the switching unit 205 of Fig. 2 with the actuating element 292 and the activation element 297, which alternatively or additionally has an inclined plane 710 for the axial displacement of the first deactivation element 274.
  • the design of the activation element 297 with the inclined plane 710 means that the deflection element 272 can be dispensed with, since the underside 401 of the first deactivation element 274 for activating the hammer mechanism 260 is movable over the inclined plane 710 in the direction of the housing 110.
  • Clarified Fig. 7a the switching unit 205 with deactivated hammer mechanism 260 or in the first or second switching position S, D.
  • Fig. 7b shows the switching unit 205 of Fig. 2 with the activation element 297 from Fig. 7a with activated hammer mechanism 260.
  • the first deactivation element 274 is arranged by shifting its underside 401 over the inclined plane 710 on a top side 712 of the activation element 297 or, in the direction of the housing 110, illustratively upwards. As a result, the second deactivation element 276 has released or activated the hammer mechanism 260.
  • Fig. 8 shows the actuator 280 of Fig. 2 with the shaft 285 and the actuating element 292.
  • the position detection element 258 is arranged on the shaft 285 via a linearly movable holding element 812.
  • the holding element 812 and the position detection element 258 preferably form a position detection unit 810.
  • Fig. 9 shows the switching unit 205 of Fig. 2 with the position detection unit 810 from Fig. 8 and a deflection system 270 with a first deactivation element 910 designed in accordance with a further embodiment.
  • the deflection system 270 has, analogously to the deflection system from 2 to 6 the deflecting element 272 with its two leg elements 271, 279, but the deflecting element 272 is arranged upside down or arranged in such a way that it is illustratively displaced downward by pivoting counterclockwise to disengage the first deactivation element 910.
  • the fulcrum 273 of the deflection element 272 is preferably illustratively below the activation element 297.
  • the first deactivation element 910 is preferably provided with an elongate base body which has a first, illustratively upper, and a second, illustratively lower, end 912, 916 and a side 914 facing the tool holder 190 and a side 913 facing the drive motor 210. Furthermore, the first deactivation element 910 has at its second end 916 a receiving web 917 for supporting the second deactivation element 276, which preferably has a blocking edge 275 on the side 914 of the first deactivation element 910 is present. In addition, the first deactivation element 910 is acted upon by a spring element 922 arranged at its second end 916.
  • control element 292 is arranged in the second switching position D, in which the activation element 297 bears against the deflection element 272.
  • the activation element 297 illustratively rotates the deflection element 272 counterclockwise.
  • the second leg element 279 of the deflection element 272 shifts the first deactivation element 910 downward at its first end 912 in the direction of the countershaft 267 or illustratively, the spring element 922 being compressed and the second deactivation element 276 moving towards the drive motor 210 or illustratively can move right and thus releases the hammer mechanism 260.
  • Fig. 10 shows the switching unit 205 of Fig. 2 with the deflection system 270 from Fig. 9 with the deactivation element 910.
  • the actuating element 292 is arranged in the first switching position S, the activation element 297 being spaced apart from the deflection element 272.
  • Fig. 11 shows the switching unit 205 of FIG Fig. 2 with the deflection system 270 from Fig. 9 and Fig. 10 , Clarified Fig. 11 a standing element 1110, preferably arranged in the housing 110, against which the leg element 279 of the deflecting element 272 preferably abuts when the hammer mechanism 260 is deactivated.
  • Fig. 12 shows the switching unit 205 of Fig. 2 with the deflection system 270 from 9 to 11 with the deactivation element 910.
  • the actuating element 292 is arranged in the second switching position D, the activation element 297 preferably abutting the deflection element 272.
  • Fig. 13 shows the in the housing 110 of Fig. 1 arranged switching unit 205 of Fig. 2 with the deflection system 270 from Fig. 12 ,
  • the actuating element 292 is arranged in the second switching position D, the activation element 297 abutting the deflecting element 272 and the leg element 279 of the deflecting element 272 abutting the standing element 1110.
  • Fig. 14 shows the switching unit 205 of Fig. 2 with the deflection system 270 from 9 to 13 with the deactivating element 910.
  • the actuating element 292 is arranged in the third switching position H, the activating element 297 acting on the deflecting element 272 on its leg element 271 and thus rotating it.
  • the first deactivation element 910 is displaced in the direction of the countershaft 267 and the second deactivation element 276 can move in the direction of the drive motor 210 and thus release the hammer mechanism 260.
  • Fig. 15 shows the in the housing 110 of Fig. 1 arranged switching unit 205 of Fig. 2 with the deflection system 270 from Fig. 14 ,
  • the actuating element 292 is arranged in the third switching position H, the activating element 297 acting on the first deactivating element 910 via the deflecting element 272 and releasing or activating the second deactivating element 276 and thus the hammer mechanism 260.
  • Fig. 16 shows the switching unit 205 of FIG Fig. 2 , which is provided with a first and second actuating unit 1610, 1620.
  • the two actuating units 1610, 1620 preferably each have a separate servomotor 1612, 1622 and an associated servomotor gear 1614, 1624.
  • the first actuating unit 1610 is preferably designed to shift the gear of the transmission 220.
  • the servomotor gear 1614 displaces the shifting ring gear 230 for gear change, preferably via the shift bracket 240.
  • the second actuating unit 1620 is preferably designed as an activation element 297 of the hammer mechanism 260.
  • the second actuating unit 1620 displaces a deactivation element 274 or 1630 for activating / deactivating the hammer mechanism 260.
  • the deactivation element 1630 has an elongated base body with a first and second blocking edge 1632, 1634.
  • the first blocking edge 1632 is arranged in the area of the piston unit 265 of the hammer mechanism 260 and the second blocking edge 1634 is arranged in the area of the support element 305. At least one blocking edge 1632, 1634 blocks the hammer mechanism 260 in the non-striking operating mode.
  • Fig. 17 shows the handheld power tool 100 of Fig. 1 with the communication interface 1050 and the user guidance unit 115 from Fig. 1
  • the user guidance unit 115 can be at least partially designed as an external, separate component 1740.
  • the external component 1740 preferably has a mobile computer, in particular in the manner of a smartphone and / or tablet computer.
  • other so-called “smart devices" such as B. a watch, glasses, etc. can be used as a mobile computer.
  • gesture control can also be used.
  • the handheld power tool 100 preferably has a display for displaying a set operating mode.
  • the user guidance unit 115 preferably forms a tool system 1700 with the handheld power tool 100.
  • the mobile computer 1740 preferably has a display 1710, which is preferably designed in the manner of a touchscreen.
  • the display 1710 preferably has at least one, illustratively three control elements 1711, 1712, 1713 for entering at least one operating mode of the handheld power tool 100.
  • the controls 1711-1713 on the display 1710 are designed as control panels, but could also be designed as switches and / or buttons.
  • the control signal described above is preferably designed to display on the display 1710 a request to initiate a switching process for switching the switching unit 205 between the different switching positions S, D, H to generate.
  • Instructions are preferably shown on the display 1710, for example an instruction as to which switching position S, D, H or which operating mode is to be set for a given operation, which a user of the handheld power tool 100 can subsequently set, for example using the operating elements 116, 117 ,
  • the mobile computer 1740 can also be at least partially integrated into the handheld power tool 100 and the operating mode is preferably set automatically, preferably via the switching unit 205. It should be noted that the in Fig. 17 described, exemplary implementations of the user guidance unit 115 can be combined with one another as desired and, for example, the communication interface 1050 can also take over the functionality of the user guidance unit 115.
  • Fig. 18 shows the user guidance unit 115 of FIG Fig. 1 , which is preferably designed in the manner of an operating unit 1820 for manually setting a switch position S, D, H or an operating mode.
  • the control unit 1820 is preferably provided with at least one, illustratively three control elements 1821, 1822, 1823 for setting a switch position S, D, H.
  • the control element 1821 is provided for setting the screwing mode, the control element 1822 for setting the drilling mode and the control element 1823 for setting the impact mode, the control elements 1821-1823, for example, having symbols corresponding to the operating modes.
  • the control elements 1821-1823 are preferably arranged on a circuit board 1830.
  • the control unit 1820 is preferably at least partially integrated in the handheld power tool 100.
  • the circuit board 1830 preferably has at least one and illustratively three switching elements 1835, 1836, 1837.
  • Three display elements 1831, 1832, 1833 are preferably provided to display a respectively set switching position S, D, H. These are preferably designed as lighting elements.
  • a switching element 1835-1837 with a lighting element 1831-1833 is assigned to an operating element 1821-1823.
  • switching element 1835 and lighting element 1831 are assigned to control element 1821
  • switching element 1836 and lighting element 1832 are assigned to control element 1822
  • switching element 1837 and lighting element 1833 are assigned to control element 1823.
  • the lighting means 1831, 1832, 1833 can preferably be activated at least to display the request to initiate a switching process for switching the transmission 220 between the different gear stages or to activate the hammer mechanism 260.
  • the switching elements 1835-1837 are preferably designed as switches or pushbuttons and / or the lighting elements 1831-1833 are designed in the manner of LEDs.
  • the control unit 1820 can also be designed in the manner of a display, preferably with a touchscreen, and / or a mobile computer, it being possible for a symbol to be actuated in each case to light up and / or flash on the display.
  • the control unit 1820 is preferably connected via the actuating unit 280 or the servomotor 282 and the servomotor gear 284 to the transmission unit 290 for setting an operating mode selected by a user 1840.
  • Fig. 19 shows the tool system 1700 from Fig. 17 with the handheld power tool 100 and the mobile computer 1740 from Fig. 17 , Clarified Fig. 19 the hand machine tool 100 with its drive unit 211 from Fig. 2 , which has the drive motor 210, the transmission 220, the hammer mechanism 260 and a torque limiting element 1925 for setting a maximum transmissible torque.
  • the torque limiting element 1925 can be designed in the manner of a mechanical slip clutch or an electrical torque limitation.
  • Electronics 250 controls at least one actuator 1951, 1952, 1953. Illustrations are shown in Fig. 19 Three actuators 1951, 1952, 1953 are shown, the actuator 1951 being designed as an example for changing gear of the transmission 220, the actuator 1952 for activating / deactivating the hammer mechanism 260 and the actuator 1953 for setting a torque by means of the torque limiting element 1925 when an actuator 1951-1953 is activated, an activation signal is forwarded to an associated lighting element 1831-1833. Alternatively or additionally, the activation signal can also be designed as a signal tone.
  • the mobile computer 1740 has an interactive program 1942, 1944 for communication with the communication interface 1050 of the handheld power tool 100, in particular a smartphone app.
  • a first program 1942 for setting use cases is preferred trained, for example, to screw a screw into softwood.
  • the program 1942 preferably determines operating parameters, for example a rotational speed, a direction of rotation, a torque, a gear stage and / or an impact operation requirement, for a particular application, and forwards these to the communication interface 1050 of the handheld power tool 100.
  • the communication interface 1050 is preferably designed to transmit a control signal to the actuators 1951, 1952, 1953 of the handheld power tool 100, at least one actuator 1951, 1952, 1953 being designed to activate the hammer mechanism 260 when activated by the communication interface 1050 and / or to switch the transmission 220 between the different gear stages.
  • the communication interface 1050 preferably transmits the control signal to the electronics 250, which activates and / or controls the respective actuators 1951-1953.
  • a second program 1944 is provided, which is used to set at least one specific operating parameter, e.g. a speed, a direction of rotation, a torque, a gear stage and / or a percussion operation requirement.
  • a user of the handheld power tool 100 inputs desired operating parameters directly via the 1944 program. These are then transmitted to the communication interface 1050 of the handheld power tool 100, the communication interface 1050 forwarding a corresponding control signal as described above.
  • the handheld power tool 100 can have at least one signal transmitter 1911, 1912, 1913 for the manual setting of a switch position S, D, H, or an operating mode, or for the manual setting of operating parameters.
  • a first signal transmitter 1911 is configured, for example, to change gear
  • a second signal transmitter 1912 to activate and / or deactivate the hammer mechanism 260
  • a third signal transmitter 1913 to set the torque.
  • the respective signal transmitter 1911-1913 is preferably designed to send a control signal to the electronics 250, depending on the application or input, so that the electronics 250 can activate and / or control the respective actuators 1951-1953.
  • the signal transmitters 1911-1913 are designed as electrical signal transmitters, but can also be designed as any other signal transmitter, for example as a mechanically displaceable lever arm.
  • the user guidance unit 115 can be assigned a display and / or a mobile computer 1740 which, as described above, displays switching instructions for application-specific switching of the transmission 220 and / or for activating / deactivating the hammer mechanism 260.
  • the switching instructions or activation / deactivation can be visualized on the display and / or the mobile computer 1740 as step-by-step instructions.
  • the at least one control element 116, 117 for initiating a switchover process for switching the transmission 220 between the two different gear stages and / or for initiating activation / deactivation of the hammer mechanism 260 preferably has a sensor 1970 which is designed to communicate the communication interface 1050 and / or to transmit an actuation signal to the mobile computer 1740 when the at least one control element 116, 117 is actuated, so that a respective next step of corresponding switchover instructions can be displayed.
  • the senor 1970 can also be designed as an internal and / or external sensor for monitoring and / or optimizing the handheld power tool 100 and preferably as a temperature sensor, acceleration sensor, position sensor, etc.
  • software can be provided which is designed to check and, if necessary, adapt the settings of the electronics 250 or of the handheld power tool 100, e.g. output a warning signal when the drive motor 210 has become hot due to excessive torque and / or carry out an automatic gear change.
  • An adapter interface 1980 is preferably provided for connection to at least one adapter 1985.
  • the adapter interface 1980 can be designed in the manner of a mechanical interface, an electrical interface and / or a data interface, the adapter 1985 for transmitting information and / or control signals, such as a torque, for example. a speed, a voltage, a current and / or further data to the handheld power tool 100.
  • the adapter 1985 preferably has a transmission unit.
  • the adapter 1985 can be designed, for example, as a rangefinder and transmit determined parameters to the handheld power tool 100 via the adapter interface 1980.
  • the adapter can be used with and / or without drive unit 211.
  • the adapter 1985 can preferably be activated via the mobile computer 1740, and this or the display can visualize activation of the adapter 1985.
  • the electronics 250 preferably controls the drive motor 210 and / or a work area lighting 1904.
  • the drive motor 210 is preferably controlled as a function of a direction of rotation signal transmitted by the direction of rotation switch 106.
  • the hand switch 105 preferably has a lock 1960, which is preferably designed as a mechanical and / or electrical lock.
  • the on / off switch 107 and / or the electronics 250 is supplied with power by the battery pack 102.
  • Fig. 20 shows the control unit 1820 of Fig. 18 which according to one embodiment has a setting element 2020 for manual setting of the respective operating mode.
  • the setting element 2020 is preferably formed in one piece with the switching unit 205 and preferably projects through a recess 2005 in the operating unit 1820. By shifting the setting element 2020 in the direction of a double arrow 2003, the switching unit 205 is shifted, as a result of which the respective operating mode can be set.
  • the control elements 1821-1823 have symbols corresponding to the respective operating modes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Claims (19)

  1. Machine-outil à main (100) comprenant une unité d'entraînement (211) destinée à entraîner un outil à insert (109) dans au moins un mode de fonctionnement sans percussion, l'unité d'entraînement (211) comportant un mécanisme de percussion (260) destiné à entraîner en percussion l'outil à insert (109) dans un mode de percussion associé, et l'unité d'entraînement (211) étant associée à une unité de commutation (205) destinée à commuter l'unité d'entraînement (211) entre l'au moins un mode de fonctionnement sans percussion et le mode de percussion associé, caractérisée en ce que l'unité de commutation (205) est associée à un servomoteur (282) qui est conçu pour activer le mécanisme de percussion (260), lors d'une activation dans le mode de fonctionnement sans percussion, par commutation de l'unité d'entraînement (211) d'au moins un mode de fonctionnement sans percussion dans le mode de percussion associé.
  2. Machine-outil à main selon la revendication 1, caractérisée en ce que le servomoteur (282) est accouplé à un élément d'activation (297) destiné à activer le mécanisme de percussion (260), l'élément d'activation (297) étant conçu pour libérer un blocage du mécanisme de percussion (260) dans un mode de fonctionnement sans percussion par le biais d'au moins un élément de désactivation (274).
  3. Machine-outil à main selon la revendication 2, caractérisé en ce que l'élément d'activation (297) comporte un plan incliné (710) par rapport au coulissement axial de l'au moins un élément de désactivation (274), et/ou l'élément d'activation (297) est associé à un système de déviation (270) par rapport au coulissement axial de l'au moins un élément de désactivation (274) et/ou l'élément d'activation (297) est conçu à la manière d'une unité de réglage (1620).
  4. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que l'unité de commutation (205) comporte un élément de commutation actionnable (230), le servomoteur (282) étant conçu, lorsqu'il est activé, pour actionner l'élément de commutation actionnable (230) afin de commuter l'unité d'entraînement (211) entre l'au moins un mode de fonctionnement sans percussion et le mode de percussion associé.
  5. Machine-outil à main selon la revendication 4, caractérisée en ce que le servomoteur (282) est conçu pour entraîner un arbre (285) sur lequel un élément de réglage (292) mobile linéairement est prévu qui est accouplé à l'élément de commutation actionnable (230) et qui est conçu pour convertir un mouvement en rotation de l'arbre (285) en un mouvement linéaire de l'élément de commutation actionnable (230) nécessaire pour activer ou désactiver le mécanisme de percussion (260).
  6. Machine-outil à main selon la revendication 5, caractérisée en ce que l'arbre (285) est conçu à la manière d'une tige filetée.
  7. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce que l'unité d'entraînement (211) comporte une transmission commutable (220), l'unité de commutation (205) étant conçue pour commuter entre au moins deux niveaux de marche différents.
  8. Machine-outil à main selon l'une des revendications 4 à 6 avec 7, caractérisée en ce que la transmission commutable (220) est conçue à la manière d'une transmission planétaire (220), l'élément de commutation actionnable (230) étant conçu à la manière d'une couronne de commutation (230) qui peut se déplacer linéairement entre au moins deux positions de commutation (G1, G2), les au moins deux positions de commutation (G1, G2) étant associées aux au moins deux niveaux de marche différents.
  9. Machine-outil à main selon la revendication 8, caractérisée en ce que l'unité de commutation (205) comporte une unité de transmission (290) qui accouple l'élément d'actionnement (292) à la couronne de commutation (230) et qui est conçue pour transmettre un mouvement linéaire de l'élément de réglage (292) à la couronne de commutation (230) mobile linéairement.
  10. Machine-outil à main selon la revendication 9, caractérisée en ce que l'unité de transmission (290) comporte une barre de commutation (295) qui peut coulisser linéairement par un mouvement linéaire de l'élément de réglage (292) et qui relie la couronne de commutation (230) à l'élément de réglage (292).
  11. Machine-outil à main selon la revendication 9 ou 10, caractérisée en ce que l'unité de transmission (290) comporte un étrier de commutation (240) qui relie la barre de commutation (295) et la couronne de commutation (230) l'une à l'autre de telle sorte que, dans un agencement dent sur dent de la couronne de commutation (230) avec la transmission commutable (220), la couronne de commutation (230) est précontrainte en direction d'une position de commutation prédéterminée (S, D, H).
  12. Machine-outil à main selon l'une des revendications 5 à 11, caractérisée en ce qu'une première position de commutation (S) de l'élément de réglage (292) correspond à un mode de vissage, une deuxième position de commutation (D) correspond à un mode de perçage et une troisième position de commutation (H) correspond à un mode de perçage à percussion.
  13. Machine-outil à main selon l'une des revendications 5 à 12, caractérisée en ce que l'élément de réglage (292) est associé à un élément de détection de position (258) qui est conçu pour détecter une position de commutation actuelle respective de l'élément de réglage (292).
  14. Machine-outil à main selon la revendication 13, caractérisée en ce que l'élément de réglage (292) est mobile au moins entre une première et une deuxième position de commutation, la première position de commutation (S, D) correspondant à l'au moins un mode de fonctionnement sans percussion et la deuxième position de commutation (H) correspondant au mode de commutation associé, et l'élément de détection de position (258) pouvant être déplacé linéairement au moins entre une première et une deuxième position de détection, la première position de détection étant conçue pour détecter la première position de commutation (S, D) et la deuxième position de détection étant conçue pour détecter la deuxième position de commutation (H).
  15. Machine-outil à main selon la revendication 14, caractérisée en ce que l'élément de détection de position (258) est associé à un capteur linéaire (255) qui est conçu pour détecter une position de détection actuelle respective de l'élément de détection de position (258).
  16. Machine-outil à main selon la revendication 14 ou 15, caractérisée en ce que l'élément de détection de position (258) est disposé au niveau de l'élément de réglage (292) ou de l'arbre (285) associé au servomoteur (282).
  17. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce qu'une unité de commande (115) est prévue pour régler un mode de fonctionnement requis pendant le fonctionnement par activation du servomoteur (282).
  18. Machine-outil à main selon la revendication 17, caractérisée en ce que l'unité de commande (115) comporte au moins un élément d'affichage (1831, 1832, 1833) destiné à afficher un mode de fonctionnement réglé respectif.
  19. Machine-outil à main selon l'une des revendications précédentes, caractérisée en ce qu'une activation/désactivation du mode de percussion est déclenchée par un capteur de température, un capteur de position ou un capteur d'accélération.
EP16809021.5A 2015-12-18 2016-12-08 Machine-outil portative pourvue d'une unité de commande Active EP3389946B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015226085.2A DE102015226085A1 (de) 2015-12-18 2015-12-18 Handwerkzeugmaschine mit einer Schalteinheit
PCT/EP2016/080203 WO2017102531A1 (fr) 2015-12-18 2016-12-08 Machine-outil portative pourvue d'une unité de commande

Publications (2)

Publication Number Publication Date
EP3389946A1 EP3389946A1 (fr) 2018-10-24
EP3389946B1 true EP3389946B1 (fr) 2020-02-19

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Family Applications (1)

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EP16809021.5A Active EP3389946B1 (fr) 2015-12-18 2016-12-08 Machine-outil portative pourvue d'une unité de commande

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US (1) US20190001478A1 (fr)
EP (1) EP3389946B1 (fr)
CN (1) CN108367421B (fr)
DE (1) DE102015226085A1 (fr)
WO (1) WO2017102531A1 (fr)

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CN108367421A (zh) 2018-08-03
WO2017102531A1 (fr) 2017-06-22
DE102015226085A1 (de) 2017-06-22
US20190001478A1 (en) 2019-01-03
CN108367421B (zh) 2022-02-22
EP3389946A1 (fr) 2018-10-24

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