WO2007077052A1 - Outil manuel motorise, en particulier marteau-foreur et/ou marteau-piqueur - Google Patents

Outil manuel motorise, en particulier marteau-foreur et/ou marteau-piqueur Download PDF

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Publication number
WO2007077052A1
WO2007077052A1 PCT/EP2006/068677 EP2006068677W WO2007077052A1 WO 2007077052 A1 WO2007077052 A1 WO 2007077052A1 EP 2006068677 W EP2006068677 W EP 2006068677W WO 2007077052 A1 WO2007077052 A1 WO 2007077052A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
unit
hand tool
axis
motor
Prior art date
Application number
PCT/EP2006/068677
Other languages
German (de)
English (en)
Inventor
Gerhard Meixner
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
Priority to EP06819627A priority Critical patent/EP1968770A1/fr
Priority to US11/911,386 priority patent/US20080314610A1/en
Publication of WO2007077052A1 publication Critical patent/WO2007077052A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/062—Means for driving the impulse member comprising a wobbling mechanism, swash plate
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/003—Crossed drill and motor spindles
    • 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
    • B25D2250/245—Spatial arrangement of components of the tool relative to each other

Definitions

  • Hand tool in particular drill and / or chisel hammer
  • the invention relates to a hand tool according to the preamble of claim 1.
  • the gear unit has rotational axes which are aligned either perpendicular or parallel to the machining axis.
  • the invention relates to a hand tool, in particular a drill and / or chisel, with a motor unit and with a gear unit and with a machining axis. It is proposed that at least one transmission means of the gear unit has an axis of rotation aligned obliquely to the machining axis.
  • a “gear unit” is to be understood in particular as a unit for transmitting and / or converting rotational movements.
  • a "machining axis” is to be understood in particular as meaning an axis of rotation of a tool holder or a tool which can be positioned in the tool holder and / or a striking axis, in the direction of which an impulse can be introduced onto the tool which can be positioned in the tool holder.
  • an "oblique orientation” should be understood in particular to mean that the axis of rotation is neither parallel nor perpendicular to the machining axis, and preferably an angle between 95 ° and 175 ° or between 5 ° and 85 ° and particularly preferably between 100 ° and 150 ° ° or between 10 ° and 60 ° with the machining axis.
  • the transmission means can be formed by various means which appear appropriate to the person skilled in the art, such as bearing axles, pulleys, etc., but particularly advantageously at least partially by a toothed wheel and / or by a shaft, whereby an advantageous force flow also results in a compact construction can be achieved.
  • the transmission means is formed by a motor shaft, which is also expressly to be regarded as a transmission means within the meaning of the invention, the motor unit can be particularly space-saving in particular a hand tool housing are integrated.
  • a center of gravity of the motor unit can be advantageously matched in terms of location to boundary conditions.
  • a "motor shaft” should be understood in particular to mean a shaft which can be driven directly by means of a turbine unit and / or by means of an electromagnetic unit of the motor unit.
  • a "translation stage” should be understood to mean, in particular, a unit which has different input and output radii, wherein a torque is introduced into the transmission stage via the input radius and a torque is transmitted to a corresponding component via the output radius.
  • the solution according to the invention is in principle suitable for all hand tooling machines which appear to the skilled person to be suitable, but particularly advantageous for hand tool machines with a striking mechanism unit, so that a particularly compact design can be achieved despite additionally required components for the striking mechanism unit.
  • the hammer mechanism unit can have different drive units for converting a rotational movement into a striking motion, such as, for example, an eccentric unit or advantageously a wobble bearing, which in turn can be integrated in a particularly space-saving manner.
  • a "swash-bearing” is to be understood as meaning, in particular, a bearing in which, due to a rope supported on a bearing means, In the case of a rotation of the bearing means, a tumbling movement of the tumbling means is produced.
  • the handheld power tool has a motor shaft with an output region which is arranged at least partially on a side of the machining axis facing away from a center of gravity of the motor unit, whereby in particular a height predetermined by other structural units is advantageous for the Motor unit and the motor shaft used and overall low height can be achieved.
  • the hand tool machine has a motor shaft with an output region which is arranged at least partially on a side of a center of gravity of the motor unit facing away from the machining axis.
  • FIG. 1 shows a schematically illustrated hand tool in a side view with an excavation
  • Fig. 2 shows an alternative hand tool with a special translation stage
  • FIG 3 shows an alternative hand tool with a specially arranged output region of a motor shaft.
  • FIG. 1 shows a hand tool machine formed by a chisel hammer with a hand tool machine housing 34a, a motor unit 10a arranged in the hand tool machine housing 34a and a gear unit 12a which proceed to transmit a drive force from the motor unit 10a to a piston 36a of a percussion unit 26a of the hand tool machine is.
  • the piston 36a is guided in the direction of a machining axis 14a, in the direction of which impact pulses can be generated by the percussion mechanism unit 26a.
  • the impact pulses are transmitted to a tool, which can be positioned in a tool holder 40a and which is formed by a chisel and not shown in any more detail.
  • the gear unit 12a comprises a gear means 16a formed by a motor shaft, a gear means 18a formed by a motor pinion and a gear means 18a connected to the motor pinion.
  • Gear formed gear means 20a whose axes of rotation 22a, 24a are aligned obliquely to the machining axis 14a of the power tool.
  • the axes of rotation 22a, 24a of the gear means 16a, 18a, 20a have components extending in the direction of the machining axis 14a or are tilted in the direction of the tool holder 40a with their area facing a cover side 46a of the hand tool housing 34a.
  • the rotational axis 22a of the gear means 16a formed by the motor shaft and the gear means 18a formed by the motor pinion and mounted on the motor shaft has an angle 42a of approximately 105 ° to the machining axis 14a.
  • a motor pinion could be integrally formed on the motor shaft.
  • the motor unit 10a has a central longitudinal axis which is coaxial with the axis of rotation 22a and which is thus also aligned obliquely with respect to the machining axis 14a.
  • the rotational axis 24a of the gear means 20a formed by the gear wheel and meshing with the motor pinion has an angle 44a to the machining axis 14a of approximately 145 °.
  • An output portion 30a of the motor shaft in which the motor pinion meshes with the gear means 20a formed by the gear is disposed on a side of the machining axis 14a facing away from a center of gravity 32a of the motor unit 10a, or the output portion 30a is on the machining axis 14a the cover 46a of the power tool housing 34a facing side arranged.
  • the gear means formed by the gear 20a meshes with another, formed by a bevel gear 56a of Gear unit 12a, which is non-rotatably arranged on a parallel to the machining axis 14a aligned shaft 48a of the hammer mechanism unit 26a.
  • a motor pinion could also be coupled directly to a gear mounted on the shaft 48a.
  • a bearing means 50a of a wobble bearing 28a of the impact mechanism unit 26a is rotatably arranged on the shaft 48a, on which a wobble finger 52a is mounted obliquely to align the shaft 48a.
  • the wobble finger 52a is drivingly coupled to the piston 36a guided in a hammer tube 54a in the direction of the machining axis 14a.
  • a torque generated by the motor unit 10a is applied to the gear means 16a formed by the motor shaft, the gear means 16a via the gear means 18a formed by the motor pinion, the gear means 20a formed by the gear, the gear 56a and the shaft 48a on the gear Bearing means 50a of the wobble bearing 28a transmitted, which generates in conjunction with the wobble finger 52a in the axial direction or in the direction of the machining axis 14a reciprocating movement of the piston 36a.
  • a fan wheel 58a is mounted on the side of the motor unit 10a facing away from the motor pinion on the motor shaft.
  • FIGS. 2 and 3 show alternative hand-held power tools. Substantially identical components, features and functions are basically numbered by the same reference numerals. In order to distinguish between the embodiments However, games are the reference numerals of the exemplary embodiments, the letters a, b and c added. The following description is limited essentially to the differences from the exemplary embodiment in FIG. 1, wherein reference can be made to the description of the exemplary embodiment in FIG. 1 for components, features and functions that remain the same.
  • the gear unit 12b comprises a gear unit 12b which comprises a gear means 16b formed by a motor shaft, a gear means 18b formed by a motor pinion and a gear means 20b formed by the gear pinion of a gear stage whose rotation axes 22b, 24b are aligned obliquely to a processing axis 14b of the power tool.
  • the gear means 20b comprises two gears 60b, 62b, wherein the gear 60b meshes with its spur gear teeth with the gear means 18b formed by the motor pinion and the smaller of its diameter, formed by a bevel pinion 62b with a on a shaft 48b of a percussion unit 26b, of a gear wheel formed 56b meshes.
  • the hand tool machine formed by a chisel hammer in FIG. 3 has a gear unit 12c which comprises a gear means 16c formed by a motor shaft and a gear means 18c formed by a motor pinion whose rotation axis 22a encloses an angle 42c of approximately 90 ° with respect to a machining axis 14c. Furthermore, the gear unit 12c comprises a transmission means 20c, which is formed with the motor pinion by a bevel gear and whose rotation axis 24c is oriented obliquely to the machining axis 14c of the power tool.
  • the axis of rotation 24c of the gear mechanism 20c has a component extending in the direction of the machining axis 14c or the axis of rotation 24c is with its one cover side 46c of a hand-held power tool housing
  • the gear means 20c meshes on a side facing away from the motor pinion with a bevel gear 56c, which is non-rotatably mounted on a shaft 48c of a hammer mechanism unit 26c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

L'invention concerne un outil manuel motorisé, en particulier un marteau-foreur et/ou un marteau-piqueur qui comporte une unité de moteur (10a; 10b; 10c) et une unité de transmission (12a; 12b; 12c) ainsi qu'un axe de traitement (14a; 14b; 14c). On propose selon l'invention que l'axe de rotation (22a, 24a; 22b, 24b; 24c) d'au moins un moyen de transmission (16a, 18a, 20a; 16b, 18b, 20b; 18c) de l'unité de transmission (12a; 12b; 12c) soit orienté obliquement par rapport à l'axe de traitement (14a; 14b; 14c).
PCT/EP2006/068677 2005-12-29 2006-11-20 Outil manuel motorise, en particulier marteau-foreur et/ou marteau-piqueur WO2007077052A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06819627A EP1968770A1 (fr) 2005-12-29 2006-11-20 Outil manuel motorise, en particulier marteau-foreur et/ou marteau-piqueur
US11/911,386 US20080314610A1 (en) 2005-12-29 2006-11-20 Hand-Held Power Tool, in Particular a Rotary Hammer and/or Chisel Hammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005062861A DE102005062861A1 (de) 2005-12-29 2005-12-29 Handwerkzeugmaschine, insbesondere Bohr- und/oder Meißelhammer
DE102005062861.3 2005-12-29

Publications (1)

Publication Number Publication Date
WO2007077052A1 true WO2007077052A1 (fr) 2007-07-12

Family

ID=37698280

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/068677 WO2007077052A1 (fr) 2005-12-29 2006-11-20 Outil manuel motorise, en particulier marteau-foreur et/ou marteau-piqueur

Country Status (6)

Country Link
US (1) US20080314610A1 (fr)
EP (1) EP1968770A1 (fr)
CN (1) CN101351306A (fr)
DE (1) DE102005062861A1 (fr)
RU (1) RU2434733C2 (fr)
WO (1) WO2007077052A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011088233A (ja) * 2009-10-20 2011-05-06 Makita Corp 充電式電動工具
WO2014142112A1 (fr) * 2013-03-12 2014-09-18 株式会社マキタ Outil à percussion

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000393A1 (de) * 2007-07-19 2009-01-22 Hilti Aktiengesellschaft Handwerkzeugmaschine mit pneumatischem Schlagwerk
DE102011077220A1 (de) * 2010-12-21 2012-06-21 Robert Bosch Gmbh Elektrohandwerkzeug
US8925646B2 (en) 2011-02-23 2015-01-06 Ingersoll-Rand Company Right angle impact tool
DE102012221748A1 (de) * 2012-11-28 2014-05-28 Robert Bosch Gmbh Handwerkzeugmaschine
US9022888B2 (en) * 2013-03-12 2015-05-05 Ingersoll-Rand Company Angle impact tool
US10702448B2 (en) 2017-03-14 2020-07-07 Theragun, Inc. Percussive massage device and method of use
US11957635B2 (en) 2015-06-20 2024-04-16 Therabody, Inc. Percussive therapy device with variable amplitude
CN109549681B (zh) * 2018-11-22 2021-12-17 南昌大学第二附属医院 钻孔装置
US11564860B2 (en) 2018-12-26 2023-01-31 Therabody, Inc. Percussive therapy device with electrically connected attachment
US11452670B2 (en) 2018-12-26 2022-09-27 Therabody, Inc. Percussive therapy device with orientation, position, and force sensing and accessory therefor
US11890253B2 (en) 2018-12-26 2024-02-06 Therabody, Inc. Percussive therapy device with interchangeable modules
US11432994B2 (en) 2018-12-26 2022-09-06 Therabody, Inc. Intelligence engine system and method
US11357697B2 (en) 2018-12-26 2022-06-14 Therabody, Inc. Percussive therapy device
US11813221B2 (en) 2019-05-07 2023-11-14 Therabody, Inc. Portable percussive massage device
EP4008486A1 (fr) * 2020-12-04 2022-06-08 Hilti Aktiengesellschaft Machine-outil à deux moteurs
US11857481B2 (en) 2022-02-28 2024-01-02 Therabody, Inc. System for electrical connection of massage attachment to percussive therapy device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901981A (en) * 1931-01-12 1933-03-21 Ragnar Erfass Motor-driven mechanical hammer
DE655032C (de) * 1934-07-23 1938-01-06 Karl Axel Ragnar Erfass Motorangetriebener Hammer
DE952883C (de) * 1940-06-09 1956-11-22 Siemens Ag Elektrisches Schlagbohrgeraet
DE1477179A1 (de) * 1965-04-30 1969-03-20 Bosch Gmbh Robert Handwerkzeugmaschine besonders gedrungener Bauart
DE1652514A1 (de) * 1966-07-15 1971-03-25 Siddons Ind Drehschlaggeraet
US3718193A (en) * 1971-02-18 1973-02-27 Bosch Gmbh Robert Cooling system for portable impulse transmitting machines
WO1992020491A1 (fr) * 1991-05-18 1992-11-26 Robert Bosch Gmbh Outil electrique a guidage manuel, notamment perceuse
DE19647992A1 (de) * 1996-11-20 1998-05-28 Karl Schweikert Motorisch angetriebenes Handwerkzeug zum Bohren, Schrauben oder ähnlichen Verrichtungen
DE29800248U1 (de) * 1998-01-09 1999-05-06 Bosch Gmbh Robert Bohr- und/oder Schlaghammer
EP1431005A2 (fr) * 2002-12-19 2004-06-23 HILTI Aktiengesellschaft Outil à main électrique à percussion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873735A (en) * 1956-07-13 1959-02-17 Peugeot & Cie Soc Electric hammer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901981A (en) * 1931-01-12 1933-03-21 Ragnar Erfass Motor-driven mechanical hammer
DE655032C (de) * 1934-07-23 1938-01-06 Karl Axel Ragnar Erfass Motorangetriebener Hammer
DE952883C (de) * 1940-06-09 1956-11-22 Siemens Ag Elektrisches Schlagbohrgeraet
DE1477179A1 (de) * 1965-04-30 1969-03-20 Bosch Gmbh Robert Handwerkzeugmaschine besonders gedrungener Bauart
DE1652514A1 (de) * 1966-07-15 1971-03-25 Siddons Ind Drehschlaggeraet
US3718193A (en) * 1971-02-18 1973-02-27 Bosch Gmbh Robert Cooling system for portable impulse transmitting machines
WO1992020491A1 (fr) * 1991-05-18 1992-11-26 Robert Bosch Gmbh Outil electrique a guidage manuel, notamment perceuse
DE19647992A1 (de) * 1996-11-20 1998-05-28 Karl Schweikert Motorisch angetriebenes Handwerkzeug zum Bohren, Schrauben oder ähnlichen Verrichtungen
DE29800248U1 (de) * 1998-01-09 1999-05-06 Bosch Gmbh Robert Bohr- und/oder Schlaghammer
EP1431005A2 (fr) * 2002-12-19 2004-06-23 HILTI Aktiengesellschaft Outil à main électrique à percussion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011088233A (ja) * 2009-10-20 2011-05-06 Makita Corp 充電式電動工具
WO2014142112A1 (fr) * 2013-03-12 2014-09-18 株式会社マキタ Outil à percussion

Also Published As

Publication number Publication date
DE102005062861A1 (de) 2007-07-05
US20080314610A1 (en) 2008-12-25
CN101351306A (zh) 2009-01-21
EP1968770A1 (fr) 2008-09-17
RU2008130924A (ru) 2010-02-27
RU2434733C2 (ru) 2011-11-27

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