WO2008037530A1 - Handwerkzeugmaschine - Google Patents
Handwerkzeugmaschine Download PDFInfo
- Publication number
- WO2008037530A1 WO2008037530A1 PCT/EP2007/057894 EP2007057894W WO2008037530A1 WO 2008037530 A1 WO2008037530 A1 WO 2008037530A1 EP 2007057894 W EP2007057894 W EP 2007057894W WO 2008037530 A1 WO2008037530 A1 WO 2008037530A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- output shaft
- housing
- hand tool
- tool according
- Prior art date
Links
Classifications
-
- 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
Definitions
- the invention relates to a hand tool, in particular a rotary impact driver, according to the preamble of claim 1.
- Rotary impact wrenches which, to reduce the high engine speed to a lower speed, have a one-step transmission, e.g. a planetary gear, exhibit. Especially at speeds of 2000-3000 revolutions per minute, a gear with a comparatively large circumference is required to achieve the desired speed conversion.
- a gearbox that requires a larger space is not appropriate.
- greater flexibility in adjusting the speed and torque of the output side is desirable.
- the hand tool according to the invention in particular a rotary impact driver, has a multi-stage, e.g. two-stage, gearbox on.
- the transmission can be dimensioned smaller in diameter, so that a smaller space for the transmission is required.
- a multi-stage transmission can be easily adapted to different requirements in terms of speed and torque.
- the hand tool according to the invention has the advantage that it has a smaller
- the transmission is a planetary gear, which due to its compact design is particularly well integrated into the power tool and a compact design of the power tool allows a total.
- the multi-stage transmission in particular planetary gear, is preferably a catchy transmission.
- the hand tool according to the invention comprises an electric motor for driving a drive shaft.
- the drive shaft is coupled via a multi-stage, eg two-stage, gearbox with an output shaft.
- a mechanical impact mechanism in particular a mechanical rotary impact mechanism, for example a V-groove rotary impact mechanism, ensures a striking drive of an insertion tool.
- the function and construction of a mechanical striking mechanism, in particular a rotary impact mechanism are well known from the prior art.
- the output shaft drives a Malawiaufhahme, in which an insert tool, such as a screwdriver bit, is located.
- the output shaft is stored in at least two bearings. At least one bearing is located at the end of the output shaft facing the transmission. This bearing is also referred to below as the transmission side bearing. Preferably, the transmission-side bearing is connected downstream of the transmission. This means that the transmission-side bearing is arranged seen behind the gear in the working direction. The output shaft thus does not pass through the multi-stage transmission.
- the output shaft is designed as a planet carrier at its end on the transmission side.
- the output shaft on the transmission-side end for example, pins, on which the planet gears are applied.
- a separate housing is provided at least for the multi-stage transmission, the transmission-side bearings and a part of the output shaft.
- the separate housing for the transmission, the gearbox bearing and at least a portion of the output shaft is also referred to below as the transmission housing.
- the gearbox side bearing and a part of the output shaft so forms a module that can be installed in the housing of the power tool.
- the transmission-side end of the module When installed in the housing of the power tool, the transmission-side end of the module is connected to the drive shaft of the electric motor.
- the gear housing is preferably made of plastic, which is why the additional weight of the gear housing is negligible.
- a separate transmission housing also has the advantage that the like with grease, oil or the like. Afflicted components of the transmission and the bearing are in a substantially closed housing, so that other components of the power tool, such as electronic components, not by the grease, oil or the like. be polluted. Therefore, the transmission housing is preferably provided at its transmission-side end, ie at the side facing the electric motor, with a cover element, preferably also made of plastic.
- the cover may be a lid, a cap or the like. be. It has a central opening for receiving the drive shaft of the electric motor. The cover prevents in particular the escape of grease, oil or the like. or the penetration of dust particles or other dirt particles at the transmission end of the
- the cover may additionally serve to receive and fix the electric motor, so that the transmission housing with the electric motor forms a structural unit.
- the hand tool according to the invention is in particular a rotary impact driver.
- FIG. 1 shows an embodiment of the hand tool according to the invention with a two-stage planetary gear and an impact mechanism in an exploded view
- Figure 2 shows a cross section through the two-stage planetary gear with striking mechanism of FIG .. 1
- the drive train of an embodiment of a portable power tool comprising the components of an electric motor, a two-stage, single-speed gear, a mechanical percussion and a tool holder.
- the illustrated embodiment is the mechanical components of a rotary impact wrench. In the following, only the essential components of the invention will be described in more detail.
- An electric motor 10 includes a drive shaft 12, on which a gear wheel is arranged as a drive pinion 31 rotatably.
- the drive pinion 31 forms part of a two-stage planetary gear 30 and drives planet wheels 32 of the first gear stage.
- the planet gears 31 roll within a ring gear 36.
- a first planet carrier 33 is rotated, which in turn drives a further toothing 34 planet gears 35 of the second gear stage.
- the planet gears 35 roll within the ring gear 36 and drive a second - A -
- the planet carrier 37 on.
- the second planet carrier 37 is rotatably connected to an output shaft 51.
- the planet carrier 37 is formed integrally with the output shaft 51 in the form of pins according to FIG.
- the output shaft 51 is mounted at its transmission-side end in a bearing 52, preferably a rolling bearing, in particular a deep groove ball bearing.
- the two-stage planetary gear 30, the bearing 52 and a part of the output shaft 51 are received in a separate housing 20 made of plastic.
- the housing 20 is provided with a cap, also made of plastic, as a cover 22.
- the cover element 22 has a central opening 23 for receiving the drive shaft 12.
- the output shaft 51 projects out of the housing 20.
- the two-stage planetary gear 50, the gear-side bearing 52 and a part of the output shaft 51 in the housing 20 with the cover 22 form a first module 100.
- the module 100 is connected on the transmission side with the drive pinion 31 on the drive shaft 12 of the electric motor 10. On the bearing side, the module 100 is connected to the percussion mechanism 50 via the output shaft 51 protruding from the housing 20.
- the output shaft 51 with the bearing 52 forms part of a mechanical percussion mechanism 50, which in the illustrated embodiment is a V-groove rotary impact mechanism.
- the impact mechanism 50 comprises a compression spring 55, a rotary impact weight 56 with drive cam 53, driving balls 57 in a V-groove 58 and output cam 54, which are integrally formed with an extension piece 59 of the output shaft 51.
- the extension piece 59 is mounted in a second bearing 61.
- a washer 24 serves to receive and fix the compression spring 55 and the protection of the housing 20 from heating and wear by the friction of the spring 55.
- Rotary impact mechanism is not discussed here, since it is well known to those skilled in the art.
- the extension piece 59 of the output shaft 51 is connected to a tool holder 62.
- the striking mechanism with the extension piece 59 of the output shaft 51 is received in a housing part 63, preferably made of metal.
- a housing cover 64 made of an elastic plastic covers at least part of the housing part 63.
- the module 100 is connected to the housing part 63 via pins 65.
- the striking mechanism 50 is accommodated in a closed housing, so that no grease, oil or the like. can escape or dirt particles can enter.
- the housing part 63 forms with the output shaft 59 and the tool holder 62, a second module 200. Between the first module 100 and the second module 200, the impact mechanism 50 is arranged as a unit. This allows a modular design of the entire drive train of the power tool with the advantage that individual modules are easily replaceable.
- Fig. 2 the components of the rotary impact wrench of FIG. 1 are shown in cross section. It can be seen that the output shaft 51 does not pass through the two-stage planetary gear 50, but is mounted in the working direction in front of the planetary gear 50 in a bearing 52, i. the bearing 52 is connected downstream of the planetary gear 50.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009528662A JP2010504220A (ja) | 2006-09-27 | 2007-07-31 | 手持ち式工作機械 |
EP07788089A EP2069107A1 (de) | 2006-09-27 | 2007-07-31 | Handwerkzeugmaschine |
US12/095,602 US20100224033A1 (en) | 2006-09-27 | 2007-07-31 | Handheld power tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006045842A DE102006045842A1 (de) | 2006-09-27 | 2006-09-27 | Handwerkzeugmaschine |
DE102006045842.7 | 2006-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008037530A1 true WO2008037530A1 (de) | 2008-04-03 |
Family
ID=38626988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/057894 WO2008037530A1 (de) | 2006-09-27 | 2007-07-31 | Handwerkzeugmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100224033A1 (de) |
EP (1) | EP2069107A1 (de) |
JP (1) | JP2010504220A (de) |
CN (1) | CN101516577A (de) |
DE (1) | DE102006045842A1 (de) |
WO (1) | WO2008037530A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009029055A1 (de) * | 2009-09-01 | 2011-03-10 | Robert Bosch Gmbh | Bohr- und/oder Meißelhammervorrichtung |
DE102010029559A1 (de) * | 2010-06-01 | 2011-12-01 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem mechanischen Schlagwerk |
CN103291844A (zh) * | 2012-03-02 | 2013-09-11 | 博世电动工具(中国)有限公司 | 电动工具及其传动装置 |
DE102012211914B4 (de) * | 2012-04-05 | 2023-06-15 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem Planetengetriebe |
KR101378831B1 (ko) | 2013-05-06 | 2014-04-02 | 고등기술연구원연구조합 | 전동공구용 기어박스 조립체 및 그 기어박스 조립체의 기어박스 캡과 기어박스 하우징의 체결 풀림 방지구조 |
US9878435B2 (en) | 2013-06-12 | 2018-01-30 | Makita Corporation | Power rotary tool and impact power tool |
JP6027946B2 (ja) * | 2013-06-12 | 2016-11-16 | パナソニック株式会社 | インパクトレンチ |
GB201421577D0 (en) | 2014-12-04 | 2015-01-21 | Black & Decker Inc | Drill |
GB201421576D0 (en) | 2014-12-04 | 2015-01-21 | Black & Decker Inc | Drill |
JP2017159418A (ja) * | 2016-03-10 | 2017-09-14 | パナソニックIpマネジメント株式会社 | インパクト回転工具 |
CN106425971A (zh) * | 2016-11-16 | 2017-02-22 | 锐奇控股股份有限公司 | 齿轮箱 |
DE102016223678B4 (de) * | 2016-11-29 | 2022-10-13 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
JP7462273B2 (ja) * | 2020-07-31 | 2024-04-05 | パナソニックIpマネジメント株式会社 | インパクト回転工具 |
US11958170B2 (en) * | 2021-12-13 | 2024-04-16 | Makita Corporation | Impact tool |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1522745A (en) * | 1975-04-15 | 1978-08-31 | Bosch Gmbh Robert | Motor-driven drill hammer |
DE4004464A1 (de) * | 1989-07-15 | 1991-01-24 | Kress Elektrik Gmbh & Co | Elektrowerkzeug |
US6142242A (en) * | 1999-02-15 | 2000-11-07 | Makita Corporation | Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus |
US20020094907A1 (en) * | 2001-01-12 | 2002-07-18 | Elger William A. | Gear assembly for a power tool |
EP1652630A2 (de) * | 2004-10-28 | 2006-05-03 | Makita Corporation | Elektrowerkzeug mit Betriebsartenwahlschalter zur Auswahl einer aus mehreren Betriebsarten |
EP1714745A2 (de) * | 2005-04-21 | 2006-10-25 | TechTronic Industries, Co., Ltd | Betriebsartenwahlmechanismus für ein Schlagwerkzeug |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4291173B2 (ja) * | 2004-02-10 | 2009-07-08 | 株式会社マキタ | インパクトドライバ |
-
2006
- 2006-09-27 DE DE102006045842A patent/DE102006045842A1/de not_active Withdrawn
-
2007
- 2007-07-31 CN CNA2007800359737A patent/CN101516577A/zh active Pending
- 2007-07-31 JP JP2009528662A patent/JP2010504220A/ja not_active Withdrawn
- 2007-07-31 WO PCT/EP2007/057894 patent/WO2008037530A1/de active Application Filing
- 2007-07-31 EP EP07788089A patent/EP2069107A1/de not_active Withdrawn
- 2007-07-31 US US12/095,602 patent/US20100224033A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1522745A (en) * | 1975-04-15 | 1978-08-31 | Bosch Gmbh Robert | Motor-driven drill hammer |
DE4004464A1 (de) * | 1989-07-15 | 1991-01-24 | Kress Elektrik Gmbh & Co | Elektrowerkzeug |
US6142242A (en) * | 1999-02-15 | 2000-11-07 | Makita Corporation | Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus |
US20020094907A1 (en) * | 2001-01-12 | 2002-07-18 | Elger William A. | Gear assembly for a power tool |
EP1652630A2 (de) * | 2004-10-28 | 2006-05-03 | Makita Corporation | Elektrowerkzeug mit Betriebsartenwahlschalter zur Auswahl einer aus mehreren Betriebsarten |
EP1714745A2 (de) * | 2005-04-21 | 2006-10-25 | TechTronic Industries, Co., Ltd | Betriebsartenwahlmechanismus für ein Schlagwerkzeug |
Also Published As
Publication number | Publication date |
---|---|
US20100224033A1 (en) | 2010-09-09 |
CN101516577A (zh) | 2009-08-26 |
DE102006045842A1 (de) | 2008-04-03 |
EP2069107A1 (de) | 2009-06-17 |
JP2010504220A (ja) | 2010-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008037530A1 (de) | Handwerkzeugmaschine | |
EP1924407B1 (de) | Handbohrmaschine mit schaltgetriebe | |
EP0635658A2 (de) | Umlaufgetriebe mit Drehmomentbegrenzer und dessen Verwendung in Handwerkzeugen | |
WO2001098035A1 (de) | Handwerkzeugmaschine | |
DE102010063200A1 (de) | Handwerkzeugmaschine mit einem mechanischen Schlagwerk | |
DE3636229A1 (de) | Elektrisches handwerkzeug | |
WO2012049024A2 (de) | Handgeführtes elektrowerkzeug mit einer spindellockvorrichtung | |
DE19942271A1 (de) | Elektrowerkzeug | |
DE102010002013B4 (de) | Aufsatz für eine Handwerkzeugmaschine | |
DE202009017422U1 (de) | Handgeführtes Elektrowerkzeug | |
WO2009083307A1 (de) | Handwerkzeugmaschine mit einer, mindestens eine drehbar gelagerte zwischenwelle umfassenden getriebevorrichtung | |
DE202007010301U1 (de) | Kraftfahrzeugtürschloss | |
DE102015007333B4 (de) | Getriebe mit einem Gehäuse und einer Planetengetriebestufe zur Überlagerung mehrerer eintreibender Wellen | |
DE10326866A1 (de) | Lagerungsanordnung für mindestens ein Getriebezahnrad | |
DE102006046580A1 (de) | Mehrstufiges Untersetzungsgetriebe | |
EP1410879A1 (de) | Automatischer Spindellock | |
DE102009054929B4 (de) | Handwerkzeugmaschinenvorrichtung | |
DE4425961A1 (de) | Planetengetriebe und dessen Verwendung | |
DE10258863A1 (de) | Handwerkzeugmaschinengetriebe und Handwerkzeugmaschine | |
DE1982397U (de) | Schraubenschluessel nach art eines steckschluessels. | |
DE10134000A1 (de) | Bohrmaschine für Netz- und Akkubetrieb | |
EP1880122B1 (de) | Schaltanordnung für eine in planetenbauweise ausgeführte nachschalt-gruppe eines mehrgruppengetriebes | |
DE102010043737A1 (de) | Handwerkzeugmaschine | |
DE102010043099A1 (de) | Handwerkzeugmaschine mit einem mechanischen Schlagwerk | |
DE102008043905A1 (de) | Getriebe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200780035973.7 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007788089 Country of ref document: EP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07788089 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12095602 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2009528662 Country of ref document: JP Kind code of ref document: A |