EP2618967A1 - Dispositif de commande de machine-outil portative - Google Patents

Dispositif de commande de machine-outil portative

Info

Publication number
EP2618967A1
EP2618967A1 EP11739071.6A EP11739071A EP2618967A1 EP 2618967 A1 EP2618967 A1 EP 2618967A1 EP 11739071 A EP11739071 A EP 11739071A EP 2618967 A1 EP2618967 A1 EP 2618967A1
Authority
EP
European Patent Office
Prior art keywords
switching device
operating
lever
hand tool
power tool
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.)
Granted
Application number
EP11739071.6A
Other languages
German (de)
English (en)
Other versions
EP2618967B1 (fr
Inventor
Willy Braun
Juergen Lennartz
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 EP2618967A1 publication Critical patent/EP2618967A1/fr
Application granted granted Critical
Publication of EP2618967B1 publication Critical patent/EP2618967B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B25D16/003—Clutches specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of 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
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0015—Tools having a percussion-only mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of 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
    • B25D2216/0007—Details of percussion or rotation modes
    • B25D2216/0023—Tools having a percussion-and-rotation mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2216/00—Details of 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
    • B25D2216/0084—Mode-changing mechanisms
    • 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
    • B25D2250/165—Overload clutches, torque limiters
    • 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
    • B25D2250/255—Switches

Definitions

  • a hand tool machine switching device which has an operating unit for actuating a switching element of a coupling.
  • the operating unit in this case has an operating element and a lever-like transmission element.
  • the operating element is coupled by means of a flexible steel cable with the lever-like transmission element.
  • the invention relates to a handheld power tool switching device having at least one operating unit for actuating a switching element, which has at least one operating element and at least one lever-like transmission element.
  • the operating unit has at least one scanner coupled to the operating element.
  • a "control unit” is to be understood here as meaning, in particular, a unit which has at least one component which can be actuated directly by an operator and which is provided by operation and / or by inputting parameters a process and / or a state
  • the operating element of the operating unit is preferably actuated directly by an operator, so that a force flow from the operating element directly and / or indirectly via the lever-like transmission element to the switching element for switching a clutch and / or a gearbox can be enabled.
  • switching element is intended here to define an element which is provided, as a result of an operation, a clutch and / or a transmission at least from a first stage, in particular a first overload stage and / or a first gear stage, in a second stage, in particular one
  • the switching element is preferably mounted so as to be translationally displaceable, in particular along a longitudinal axis of the switching element
  • the switching element may be movably mounted on another manner that appears meaningful to a person skilled in the art is.
  • the switching element is controlled by means of a synchronization element of the operating unit, so that a secure switching operation can take place within the clutch and / or the transmission.
  • a "synchronization element" is to be understood here as meaning, in particular, an element which permits a preselection of a clutch stage and / or a gear stage in an un-synchronized state of components of the clutch and / or transmission and a movement of a component, in particular of the shifting element is caused by stored energy in a synchronized state of the components of the clutch and / or the gearbox .
  • the synchronization element is along a force flow between the transmission element and the
  • the synchronization element is particularly preferably formed by an elastic, in particular spring-elastic, component.
  • a "lever-like transmission element” is to be understood here as meaning, in particular, an element which is intended to direct, by means of a tilting movement and / or a rotational movement about an axis, a force exerted by an operator on a component, in particular on the operating element
  • the lever-like transmission element is subjected to bending stress.
  • a “scanner” is to be understood here in particular as a rigid, component which preferably has tensile forces and compressive forces and torques, in particular tensile forces and compressive forces greater than 1 N and torques greater than 1 Nm, transmitted and a movement of another component, in particular the operating element picks up, in particular transmits and / or converts, so that another component, in particular the Switching element, due to the tapped Be movement can be controlled directly and / or indirectly.
  • Embodiment of the power tool machine switching device can be structurally simple an advantageous operation, in particular a switching operation, a clutch and / or a transmission can be achieved.
  • the operating element at least one
  • control structure is to be understood here as meaning, in particular, a structure, in particular a geometric shape, of the operating element, which is intended to cause a movement of the scanner as a result of a movement of the operating element be achieved.
  • the scanner is pivotally mounted.
  • the control structure is provided to pivot the scanner in response to a movement of the operating element in a switching position about a pivot axis.
  • a "shift position" is to be understood here as meaning, in particular, a position of the operating element in which the operating element, for example, lingers after being actuated by an operator, can be achieved structurally simply by direct and / or indirect actuation of the switching element.
  • the operating element has an axis of rotation which extends at least substantially parallel to a pivot axis of the lever-like transmission element.
  • substantially parallel is meant in particular an orientation of a direction and / or an axis relative to a reference direction and / or a reference axis, in particular in a plane, wherein the direction and / or the axis relative to the reference direction and / or the reference axis has a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° .
  • it is easy to achieve an interaction between the operating element and the lever-like transmission element.
  • control structure has a control cam which has a spacing which changes with respect to a rotational axis of the operating element, in particular a changing radial distance.
  • control cam is formed by a control recess.
  • control cam is formed by a control rib.
  • a material recess in a surface of the operating element is to be understood here, in which a component, in particular the scanner, extends at least partially and / or through which the component, in particular the scanner, extends at least partially
  • the control element in the region of the control recess has a lower material thickness, in particular a material thickness of 0 mm, compared to an area of the control element adjoining the control recess be transformed into a movement, in particular in a tilting movement of the scanner.
  • the scanner is formed integrally with the lever-like transmission element.
  • integral is intended in particular to be coherently connected, for example by a welding process and / or
  • Adhesive process, etc. and advantageously molded to be understood, such as by the production of a cast and / or by the production in a single or Mehrkomponentenspntzvon. It can be advantageous space, installation and cost savings.
  • the operating element is formed integrally with the lever-like transmission element. It can be advantageously achieved a compact hand tool machine switching device.
  • the operating element is mounted translationally displaceable.
  • the operating element is displaceably mounted along a longitudinal axis of the operating element.
  • the longitudinal axis of the operating element extends in a mounted state of the hand tool machine switching device in a hand tool along an axis of rotation of a tool holder of the power tool and / or along a machining axis of the power tool. It can be advantageously achieved a comfortable operation of the control.
  • the handheld power tool switching device preferably has at least one reset unit, which is provided to automatically reset the operating element.
  • the term "automatically” should in this case be understood to mean, in particular, a release of stored energy of a restoring element of the restoring unit to the operating element, so that a force, in particular a decoupled from the operator force, the return element can take place on the control.
  • a safety function can advantageously be achieved so that, for example, the operating element can be returned to a basic position as a function of an operating state of a hand-held power tool in which the hand-held power tool switching device is mounted.
  • the reset unit has at least one return spring.
  • the return spring is designed as a leg spring and / or as a helical spring. It can be constructively simply a provision of the
  • Control element can be achieved.
  • the restoring unit has at least one locking element which locks the operating element in at least one switching position.
  • the locking element is loaded by means of a spring force in the direction of the operating element, so that the locking element due to the spring force in a Rastaus- recess of the control element can engage and thus lock the operating element in a switching position. It can be advantageously achieved a backup of the control element in a switching position.
  • the invention is further based on a hand tool, in particular a drill and / or a chisel hammer, with a hand tool machine switching device according to the invention. It can be advantageously achieved a high ease of use for an operator of the power tool.
  • FIG. 2 shows a sectional view through a front region of the handheld power tool according to the invention in a schematic illustration
  • FIG. 3 shows a detailed view of the handheld power tool switching device according to the invention in a schematic representation
  • FIG. 4 shows a detailed view of the handheld power tool switching device according to the invention in a locked position in a schematic representation .
  • FIG. 5 shows a handheld power tool according to the invention with an alternative handheld power tool switching device according to the invention in a schematic representation
  • FIG. 6 shows a detailed view of the hand-held power tool switching device according to the invention from FIG. 5 in a schematic representation
  • FIG. 7 shows a handheld power tool according to the invention with a further alternative handheld power tool switching device in a schematic representation
  • FIG. 8 shows a detailed view of the hand-held power tool switching device according to the invention from FIG. 7,
  • Fig. 9 shows a hand tool according to the invention with a further alternative hand tool switching device in a schematic representation
  • FIG. 10 shows a detailed view of a hand tool machine switching device according to the invention from FIG. 9 in a schematic representation.
  • FIG. 1 shows a hand tool 36a according to the invention, which is designed as a drill and / or chisel hammer.
  • the hand tool machine 36a comprises a multi-shell housing 38a, which surrounds a motor unit 40a and a gear unit 42a. Furthermore, the hand tool 36a has a
  • FIG. 2 shows a sectional view through a front region of the handheld power tool 36a.
  • the handheld power tool 36a has an overload clutch 48a.
  • the overload clutch 48a in this case has an already known to those skilled functioning.
  • the overload clutch 48a is disposed in a bevel gear stage 60a of the transmission unit 42a.
  • the overload coupling 48a is arranged at another point of the gear unit 42a that appears appropriate to a person skilled in the art and / or within the housing 38a of the handheld power tool 36a.
  • the bevel gear stage 60a of the gear unit 42a is provided to rotationally drive a hammer tube 62a of the portable power tool 36a and the tool holder 44a by means of a torque generated by the motor unit 40a.
  • An axis of rotation of the overload clutch 48a extends at least substantially perpendicular to a rotational axis 164a of the hammer tube 62a and / or the tool holder 44a.
  • the overload clutch 48a has two overload stages, a low overload stage and a high overload stage, which can be activated by means of a switching element 14a of the overload clutch 48a. However, it is conceivable that the overload clutch 48a has more than two overload stages, which can be activated by means of the switching element 14a. In the low overload level, the overload clutch 48a triggers at a lower allowable torque compared to the high overload level.
  • the switching element 14a is axially displaceably mounted in the overload clutch 48a, so that the switching element 14a in a switching operation can translatorsich along a longitudinal axis 50a of the switching element 14a within the overload clutch 48a can be moved.
  • the hand tool 36a can thereby be switched between the two overload stages of the overload clutch 48a.
  • the longitudinal axis 50a of the switching element 14a extends at least substantially perpendicular to the axis of rotation 164a of the hammer tube 62a.
  • the handheld power tool 36a comprises a handheld power tool switching device 10a.
  • FIG. 3 shows a detailed view of the handheld power tool switching device 10a.
  • the handheld power tool switching device 10a has an operating unit 12a with an operating element 16a and with a lever-type transmission element 18a.
  • the operating element 16a is in this case designed as a rotary switch 52a which is coaxial with a longitudinal axis 50a of the switching element 14a
  • Rotary shaft 24a is rotatably mounted in the housing 38a.
  • the rotary switch 52a in this case has two switching positions. In a switching position designed as a starting position, the low overload level of the overload clutch 48a is activated. In a switching position designed as an operating position, the high overload level of the overload clutch 48a is activated.
  • the rotary switch 52a has in a direction perpendicular to the axis of rotation 24a extending plane at least substantially a circular ring cross-section. Further, the rotary switch 52a includes an actuating cam 54a extending along a radial direction 56a of the rotary switch 52a out of a housing shell 58a of the housing 38a.
  • the actuation cam 54a can be directly from an operator of the power tool
  • the rotary switch 52a may be rotated along a predetermined angular range about the rotation axis 24a.
  • the rotary switch 52a is axially secured in the housing 38a by means of a bayonet closure 66a (FIG. 4).
  • the operating unit 12a further has a scanner 20a coupled to the operating element 16a.
  • the scanner 20a is pivotally mounted on a holding element 64a.
  • the holding element 64a is rotatably mounted in the housing 38a.
  • the scanner 20a is integrally formed with the lever-type transmission member 18a.
  • the rocker arm 68a has a first leg 72a and a second leg 74a rigidly connected to the first leg 72a via a bearing portion 76a.
  • the first leg 72a and the second leg 74a are angled relative to each other and enclose an angle of approximately 90 °. However, it is also conceivable that the first leg 72a and the second leg 74a include a non-90 ° Wnkel.
  • the operating element 16a has a control structure 22a which is provided to connect the scanner 20a and thus the rocker 68a designed as a rocker arm 68a. led lever-like transmission element 18a to lead.
  • the control structure 22a has a control cam 28a which has a spacing which changes with respect to the axis of rotation 24a of the operating element 16a designed as a rotary switch 52a (FIG. 4).
  • the control cam 28a has an eccentric profile with respect to a circumferential direction 70a of the rotary switch 52a, which plane is perpendicular to the axis of rotation 24a.
  • the control cam 28a is of a recess in a perpendicular to the axis of rotation 24a extending annular side 80a of the
  • Rotary switch 52a formed.
  • the first leg 72a of the rocker arm 68a is arranged with a cylindrical end 84a in the control cam 28a.
  • a synchronization element 78a which connects the tilting lever 68a and the switching element 14a, is arranged on an end 86a facing the switching element 14a.
  • the synchronization element 78a is formed by a spring element 82a, which is elastically deformable.
  • the spring element 82a is arranged along a force flow between the rocker arm 68a and the switching element 14a, so that the spring element 82a can transmit a force from the rocker arm 68a to the switching element 14a.
  • the spring element 82a has two legs 88a, 90a with bent ends which are arranged in grooves 92a, 94a of the switching element 14a and partially surround the switching element 14a.
  • the two legs 88a, 90a are connected to one another in a material-locking manner by a connecting piece 96a.
  • the connector 96a is connected to the rocker arm 68a.
  • the overload clutch 48a is switched from the low overload level to the high overload level in a synchronized state.
  • the overload clutch 48a prevents movement of the switching element 14a within the overload clutch 48a.
  • the synchronization element 78a designed as a spring element 82a stores the movement of the rocker arm 68a as potential energy in an unsynchronized state of the overload clutch 48a.
  • the rotary switch 52a and the rocker arm 68a can thus also be moved in a non-synchronized state of the overload clutch 48a by compensation of the synchronization element 78a designed as a spring element 82a.
  • the switching element 14a is moved by the potential energy stored within the overload element 48a within the overload clutch 48a toward the hammer tube 62a, such that the overload clutch 48a is moved from a low overload level is switched to the high overload level.
  • a sequence of a switching operation from an operating position of the rotary sleepers 52a into an initial position takes place essentially analogously to the switching process described above. The difference is that the overload clutch 48a is switched from a high overload level to a low level overload.
  • the portable power tool switching device 10a has a
  • the restoring unit 30a has a return spring 32a designed as a leg spring 122a.
  • the leg spring 122a is supported at one end on the rotary switch 52a and at another end at an inner portion of the housing 38a.
  • 25 switch 52a is loaded after movement from the initial position to the operating position about the axis of rotation 24a by the leg spring 122a in a direction opposite to the rotational movement with a spring force.
  • the leg spring 122a thus attempts to move the rotary switch 52a back to the initial position.
  • the return unit 30a has a locking element 34a, which locks the rotary switch 52a in a switching position, the operating position.
  • the rotary switch 52a has a latching recess 98a into which the locking element 34a can engage.
  • the latching recess 98a is arranged on a circumference 100a of the rotary switch 52a, which extends perpendicular to the radial direction 56a and along the circumferential direction 70a.
  • the reset unit 30a has a base plate 110a for supporting individual components of the reset unit 30a.
  • the base plate 110a is arranged in the region of the hammer tube 62a and extends from the tool holder 44a in the direction of the overload clutch 48a. That as a locking lever
  • the lock lever 1 12a is biased toward the rotary switch 52a by means of a cooperation of a slider member 16a of the reset unit 30a and spring members 102a, 104a of the reset unit 30a, which are formed as coil springs 106a, 108a.
  • the locking lever 112a can thus automatically engage in the latching recess 98a of the rotary switch 52a after rotation of the rotary switch 52a from the starting position into the operating position.
  • the coil springs 106a, 108a are supported on a side facing away from the locking lever 112a side 1 14a via the in the base plate 1 10a axially movably mounted slide member 116a on the base plate 1 10a.
  • Slide element 1 16a extends on a side facing the locking lever 1 12a in a slot 1 18a of the locking lever 1 12a into it. Further, the slider member 116a is connected to the lock lever 112a by a latching connection.
  • a spring pin 120a of the reset unit 30a is arranged on a side facing away from the locking lever 1 12a side of the slider element 116a .
  • the spring pin 120a is also axially movably mounted in a recess of the base plate 110a.
  • the spring pin 120a engages with a side facing away from the slider element 116a into a recess of a locking sleeve 124a of the tool holder
  • the locking sleeve 124a is provided to lock the insert tool 46a located in the tool holder 44a.
  • the spring pin 120a Upon actuation of the locking sleeve 124a for unlocking the insert tool 46a, for example during a tool change, the spring pin 120a is displaced axially in the direction of the locking lever 12a.
  • the spring pin 120a in this case also displaces the slide element 16a axially in the direction of the lock lever 12a.
  • An axial movement of the slider element 116a against a spring force of the coil springs 106a, 108a causes a pivotal movement of the locking lever 112a in the direction of the tool holder 44a.
  • the locking lever 1 12a is moved out of the locking recess 98a and the rotary switch 52a is moved into the initial position due to a spring force of the leg spring 122a.
  • a release of the reset unit 30a due to a cancellation of a force of an operator on a switch 126a ( Figure 1) for energizing the motor unit 40a is also conceivable.
  • Other technical embodiments that appear appropriate to a person skilled in the art for triggering the restoring unit 30a are also conceivable.
  • the rotary switch 52a can also be moved manually by an operator from the operating position to the starting position.
  • the operator can move the blocking lever 1 12a out of the latching recess 98a by overriding a latching torque of the blocking lever 1 12a against the spring force of the coil springs 106a, 108a, so that the blocking lever 112a releases the rotary switch 52a.
  • the rotary switch 52a moves automatically due to the spring force of the leg spring 122a in the starting position.
  • Figures 5 to 10 alternative embodiments are shown. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, the letters a to d are added to the reference numerals of the embodiments.
  • FIG. 5 shows a partial view of a handheld power tool 36b.
  • the portable power tool 36b has an allowable torque limit overload clutch 48b and a handheld power tool switching device 10b that includes an operation unit 12b for operating a shift element 14b of the overload clutch 48b (FIG. 6).
  • the operating unit 12b has a control element 16b designed as a rotary switch 52b and a lever-like transmission element 18b.
  • the rotary switch 52b is rotatably mounted about a rotation axis 24b in a housing 38b of the portable power tool 36b.
  • the rotary switch 52b is disposed on an outer periphery of a housing shell 58b of the housing 38b and extends into an inner portion of the housing.
  • the rotary switch 52b is in a region of a hammer tube 62b of FIG.
  • FIG. 6 shows a detailed view of the handheld power tool switching device 10b.
  • the handheld power tool switching device 10b has a scanner 20b which is coupled to the operating element 16b designed as a rotary switch 52b.
  • the scanner 20b is pivotally mounted in the housing 38b. Further, the scanner 20b is integrally formed with the lever-type transmission member 18b.
  • the operating element 16b embodied as a rotary switch 52b has an axis of rotation 24b which extends at least substantially parallel to a pivot axis 26b of the lever-type transmission element 18b.
  • the lever-like transmission element 18b has two legs 72b, 74b which extend at least substantially parallel to one another and which are connected to one another in a material-locking manner via a connecting element 132b which is angled away relative to both legs 72b, 74b.
  • the control element 16b embodied as a rotary switch 52b also has a control structure 22b, which is provided to guide the scanner 20b designed as a lever-like transmission element 18b.
  • the control structure 22b is formed by a recess in a circumference 100b of the rotary switch 52b.
  • the circumference 100b of the rotary switch 52b extends along a circumferential direction 70b which extends in a plane perpendicular to the axis of rotation 24b.
  • One of the two legs 72b, 74b of the transmission element 18b of this type is arranged in the control structure 22b.
  • the operating unit 12b further comprises a shift lever 130b, which has a swivel axis coaxial to the pivot axis 26b of the lever-like transmission element 18b.
  • the shift lever 130b is formed by means of a spring element 82b
  • the shift lever 130b is urged by the synchronizing element 78b in the direction of the switching element 14b with a spring force.
  • the lever-like transmission element 18b comprises a driving element 128b, 52b in a movement of the rotary switch from a switching position to a starting position with the
  • Shift lever 130b can be coupled.
  • the shift lever 130b is moved away from the shift element 14b by the drive element 128b against the spring force of the synchronization element 78b, so that the overload clutch 48b is switched to a low overload level.
  • the rotary switch 52b Upon movement of the rotary switch 52b from the starting position to the operating position becomes the lever-like
  • Transmission element 18b moves in the direction of the switching element 14b. in this connection the driving element 128b releases the shift lever 130b.
  • the shift lever 130b can move in the direction of the shift element 14b by the spring force of the synchronization element 78b.
  • the switching element 14b can be moved in a synchronized state of the overload clutch 48b within the overload clutch 48b along a longitudinal axis 50b of the switching element 14b.
  • the overload clutch 48b is switched from a low overload level to a high overload level.
  • the handheld power tool switching device 10b has a restoring unit 30b, which is provided to act as the rotary switch 52b
  • the return unit 30b has a return spring 32b designed as a leg spring 122b. Furthermore, the restoring unit 30b has a locking element 34b which locks the operating element 16b designed as a rotary switch 52b in a switching position designed as an operating position.
  • the rotary switch 52b has a
  • FIG. 7 shows a partial view of a handheld power tool 36c with an alternative embodiment of a handheld power tool switching device 10c.
  • the hand tool 36c has an overload clutch 48c for limiting an allowable torque.
  • the handheld power tool switching device 10c has an operating unit 12c (FIG. 8).
  • the operating unit 12c has as
  • Slide switch 134c trained operating element 16c and a lever-like transmission element 18c The operating element 16c embodied as a slide switch 134c is mounted so as to be translationally displaceable in a housing 38c of the handheld power tool 36c.
  • the slide switch 134c is displaceably mounted along a rotation axis 164a of a tool holder 44c of the portable power tool 36c.
  • FIG. 8 shows a detailed view of the handheld power tool switching device 10c.
  • the slide switch 134c is coupled via a pivot joint 136c to a scanner 20c of the operating unit 12c designed as a shift fork 138c.
  • the shift fork 138c is further connected via a further rotary joint 140c with the mitartigen transmission element 18c coupled.
  • the lever-like transmission element 18c is connected to the switching element 14c of the overload clutch 48c via a synchronization element 78c designed as a spring element 82c.
  • Transmission element 18c shifted.
  • the lever-like transmission element 18c is tilted about a pivot axis 26c.
  • the switching element 14c is displaced translationally within the overload clutch 48c via the synchronization element 78c in a synchronized state of the overload clutch 48c.
  • the overload clutch 48c is switched from a low overload level to a high overload level.
  • the handheld power tool switching device 10c has a reset unit 30c which is provided to automatically reset the operating element 16c designed as a slide switch 134c.
  • the reset unit 30c which is provided to automatically reset the operating element 16c designed as a slide switch 134c.
  • Resetting unit 30c designed as a coil spring 142c return spring 32c, which loads the slide switch 134c in the direction of the initial position with a spring force. Furthermore, the restoring unit 30c has a locking element 34c which locks the operating element 16c designed as a slide switch 134c in a switching position designed as an operating position.
  • the slide switch 134c comprises a locking structure 144c in which the locking element 34c can engage.
  • the locking element 34c is trapezoidal and is acted upon by means of a coil spring 146c in the direction of the slide switch 134c with a spring force.
  • One side 148c of the locking element 34c abuts against an inclined surface 150c of the locking structure 144c in a locking position of the locking element 34c.
  • the reset unit 30c has a decoupling element 152c.
  • the decoupling element 152c is coupled to a locking sleeve 124c of the tool holder 44c on a side facing away from the locking element 34c by means of a slider element 116c.
  • the decoupling element 152c is displaced via the slider element 16c in the direction of the locking element 34c.
  • the decoupling element 152c has a decoupling slope 154c, which is provided to urge the arresting element 34c counter to the spring force of the helical spring. to move the 146c.
  • the inclined surface 150c of the locking structure 144c is disengaged from the locking element 34c.
  • the disk switch 134c is moved to the home position due to the spring force of the coil spring 142c.
  • the overload clutch 48c is switched from a high overload level to a low overload level in a synchronized state.
  • FIG. 9 shows a partial view of a handheld power tool 36d with an alternative embodiment of a handheld power tool switching device 10d.
  • the hand tool 36d has an overload clutch 48d for limiting an allowable torque.
  • the handheld power tool switching device 10d has an operating unit 12d (FIG. 10).
  • the operating unit 12d has a control element 16d designed as a toggle switch 156d and a lever-like transmission element 18d.
  • the operating element 16d designed as a toggle switch 156d is pivotable in a housing 38d of the handheld power tool
  • the toggle switch 156d is pivotably mounted about a pivot axis 26d running perpendicular to a rotation axis 164d of a tool receptacle 44d of the handheld power tool 36d.
  • FIG. 10 shows a detailed view of the handheld power tool switching device
  • the operating unit 12d further comprises a scanner 20d coupled to the operating element 16d designed as a toggle switch 156d.
  • the scanner 20d is integrally formed with the toggle switch 156d.
  • the toggle switch 156d is formed integrally with the lever-type transmission element 18d. Further, the toggle switch 156d is one with elastic clip
  • the shift clasp 158d formed synchronization element 78d connected.
  • the shift clasp 158d is in this case connected to the shift element 14d of the overload clutch 48d.
  • the elastic shift clasp 158d is thus actuated, which shifts the shift element 14d in a synchronized state of the overload clutch 48d in a translatory manner within the overload clutch 48d.
  • the overload clutch 48d is switched from a low overload level to a high overload level.
  • the shift clasp 158d is elastically deformed, so that the shift element 14d and the shift clasp 158d are biased toward the overload clutch 48d.
  • the switching element 14d becomes shifted translationally along the longitudinal axis 50d of the switching element 14d by the bias voltage within the overload clutch 48d.
  • the handheld power tool switching device 10d has a reset unit 30d, which is provided to automatically reset the operating element 16d formed as a toggle switch 156d.
  • the restoring unit 30d has a return spring 32d designed as a helical spring 142d, which loads the toggle switch 156d in the direction of an initial position with a spring force.
  • the return spring 32d is provided to move the toggle switch 156d about the pivot axis 26d to an initial position due to the spring force.
  • the return spring 32d is formed as a leg spring 122d, which is arranged around the pivot axis 26d.
  • the restoring unit 30d has a locking element 34d, which locks the operating element 16d designed as a toggle switch 156d in a switching position designed as an operating position.
  • the toggle switch 156d comprises a locking structure 144d, which abuts on the locking element 34d in the operating position of the toggle switch 156d.
  • the locking element 34c is hook-shaped.
  • the locking structure 144d comprises a locking pin 160d, which is mounted translationally displaceable and spring-loaded by a coil spring 162d in the toggle switch 156d.
  • the locking element 34d is coupled on a side facing away from the toggle switch 156d by means of a slider element 16d with a locking sleeve 124d of the tool holder 44d.
  • the locking element 34d Upon actuation of the locking sleeve 124d, the locking element 34d is displaced over the slider element 16d in the direction of the locking bolt 160d. In this case, the locking bolt 160d is displaced axially into the toggle switch 156d counter to a spring force of the helical spring 162d so that the toggle switch 156d is tilted into the starting position as a result of the spring force of the return spring 32d.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

L'invention porte sur un dispositif de commande de machine-outil portative comprenant au moins un bloc de commande (12a; 12b; 12c; 12d) pour l'actionnement d'un élément de commutation (14a; 14b; 14c; 14d), qui présente au moins un élément de commande (16a; 16b; 16c; 16d) et au moins un élément de transmission (18a; 18b; 18c; 18d) du type levier. Selon l'invention, le bloc de commande (12a; 12b; 12c; 12d) comporte au moins un palpeur (20a; 20b; 20c; 20d) qui est couplé à l'élément de commande (16a; 16b; 16c; 16d).
EP11739071.6A 2010-09-23 2011-08-04 Dispositif de commande de machine-outil portative Not-in-force EP2618967B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010041259 DE102010041259A1 (de) 2010-09-23 2010-09-23 Handwerkzeugmaschinenschaltvorrichtung
PCT/EP2011/063421 WO2012038141A1 (fr) 2010-09-23 2011-08-04 Dispositif de commande de machine-outil portative

Publications (2)

Publication Number Publication Date
EP2618967A1 true EP2618967A1 (fr) 2013-07-31
EP2618967B1 EP2618967B1 (fr) 2018-10-10

Family

ID=44629591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11739071.6A Not-in-force EP2618967B1 (fr) 2010-09-23 2011-08-04 Dispositif de commande de machine-outil portative

Country Status (5)

Country Link
EP (1) EP2618967B1 (fr)
CN (1) CN103108727B (fr)
DE (1) DE102010041259A1 (fr)
RU (1) RU2013118449A (fr)
WO (1) WO2012038141A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538166A1 (de) * 1985-10-26 1987-04-30 Hilti Ag Bohrhammer mit dreharretierung
JP3424880B2 (ja) * 1995-08-18 2003-07-07 株式会社マキタ ハンマードリル
DE10033100A1 (de) * 2000-07-07 2002-01-17 Hilti Ag Kombiniertes Elektrohandwerkzeuggerät
AU2003266373A1 (en) 2002-09-13 2004-04-30 Black & Decker Inc Rotary tool
JP4981506B2 (ja) * 2007-04-12 2012-07-25 株式会社マキタ ハンマードリル

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012038141A1 *

Also Published As

Publication number Publication date
CN103108727B (zh) 2016-01-20
WO2012038141A1 (fr) 2012-03-29
EP2618967B1 (fr) 2018-10-10
DE102010041259A1 (de) 2012-03-29
CN103108727A (zh) 2013-05-15
RU2013118449A (ru) 2014-10-27

Similar Documents

Publication Publication Date Title
EP2129496B1 (fr) Machine-outil portative
EP1578564B1 (fr) Marteau perforateur
EP2718061B1 (fr) Dispositif de serrage pour outil électroportatif
EP2467238B1 (fr) Unité de commande pour machine-outil à main
WO2014195279A1 (fr) Machine-outil portative équipée d'une transmission débrayable
WO2008064955A1 (fr) Machine-outil manuelle
WO2006045611A1 (fr) Module pour outil electrique et outil electrique equipe d'un tel module
DE102012212417B4 (de) Schalteinheit
EP1259357B1 (fr) Machine-outil
WO2012156120A1 (fr) Logement d'outil
EP1632314A2 (fr) Commutateur avec un ressort de synchronisation
WO2008107232A1 (fr) Système d'engrenage
WO2019057487A1 (fr) Système de scie à chaîne
EP2618967B1 (fr) Dispositif de commande de machine-outil portative
EP2199029A2 (fr) Interrupteur rotatif
DE102010064371B4 (de) Handwerkzeugmaschinenspannvorrichtung mit Schaltelement
WO2012089640A1 (fr) Dispositif de serrage de machine-outil à main
DE19716976A1 (de) Elektrowerkzeugmaschine
WO2008107231A1 (fr) Machine-outil portative
DE102007062729A1 (de) Handwerkzeugmaschine
WO2005050056A2 (fr) Dispositif de verrouillage pour une boite de vitesses a commande manuelle de vehicule a moteur

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130423

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20180419

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1050677

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181015

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

Ref country code: DE

Ref legal event code: R096

Ref document number: 502011014839

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20181010

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190110

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190110

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190210

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190210

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190111

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502011014839

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

26N No opposition filed

Effective date: 20190711

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20190822

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20190827

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20191021

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190804

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190804

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1050677

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190804

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190804

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502011014839

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200804

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210302

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20110804

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200804

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181010