CN1419997A - Shift device of multi-speed gear-box for electric machine tool - Google Patents
Shift device of multi-speed gear-box for electric machine tool Download PDFInfo
- Publication number
- CN1419997A CN1419997A CN 02151364 CN02151364A CN1419997A CN 1419997 A CN1419997 A CN 1419997A CN 02151364 CN02151364 CN 02151364 CN 02151364 A CN02151364 A CN 02151364A CN 1419997 A CN1419997 A CN 1419997A
- Authority
- CN
- China
- Prior art keywords
- slide plate
- gear shift
- shift slide
- spring clip
- gear
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/38—Detents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
- Portable Power Tools In General (AREA)
- Drilling And Boring (AREA)
Abstract
The shift device has a shift slider 9 movably supported on a machine tool housing 8 and which can be carried in multiple shifts shifted, the shift slider 9 connects to a movable portion 6 of the gearbox. In order to definitely lock the shift slider 9 in all shifts, at least one snapclose spring 23, 24 is provided which generates connection for rubbing transmission force between the shift slider 9 and the guide device 10, and the guide device 10 or the shift slider 9 is provided with grooves 27, 28 whose number is equivalent to the shift number of the transmitter, when the shift slider 9 is reached to the corresponding shift, the snapclose springs 23, 24 are locked in the grooves.
Description
Prior art
The present invention relates to a kind of gearshift that is used for the electric tools multiple-speed gear-box, this gearshift has one and is bearing on the toolroom machine housing movably, can be brought into the gear shift slide plate in a plurality of gears, this gear shift slide plate is connected with a moveable portion effect of speed changer, wherein, in the toolroom machine housing, settled the device that is used for gear shift slide plate guiding.
This gearshift that is used for the electric tools multiple-speed gear-box is known from DE 3904085A1.Wherein, in the gear shift slide plate that can in the toolroom machine housing, move, be fixed with a camber member, this camber member insert one be subordinated to speed changer, can axially movable change gear in.This gear shift camber member has the performance of spring element and has such function thus: when operation gear shift slide plate, in case reach the next tooth-backlash position between change gear and the fixed gear, the tooth of this removable change gear just is engaged in the fixed gear.This known gear shift slide plate do not have make its can clearly discern the device of ground kayser in one or another gear.
Advantage of the present invention
The gearshift that is used for the electric tools multiple-speed gear-box in the described type of beginning part, according to claim 1, perhaps fixing at least one spring clip on the gear shift slide plate or on the guider of gear shift slide plate, this spring clip makes between gear shift slide plate and the guider and produces being connected of the power transmission that can rub.Guider or gear shift slide plate are provided with the groove that quantity is equivalent to speed changer shelves progression, and when the gear shift slide plate reached corresponding gear, spring clip snapped in the groove.This spring clip is a kind of very simple device technically, makes the gear shift slide plate obtain corresponding many a plurality of stable latched position with gear quantity by it.On each gear of gear shift slide plate, multiple-speed gear-box is placed in its a plurality of gears one, and the gear shift slide plate is maintained reliably, makes to have stoped speed changer unexpectedly to be deviate from from the corresponding shelves level of being inserted.In addition, lock by spring clip and can make the operator feel that clearly speed changer has been placed in the desirable shelves level in the corresponding groove.
Advantageous forms of implementation of the present invention and further configuration can be by learning in the dependent claims.
What conform with purpose is, the gear shift slide plate be parallel in two vertical side portion that moving direction extends with it at least one between two spigot surfaces, be directed to, and, settle at least one spring clip in described at least one vertical side portion of gear shift slide plate and at the spigot surface of its downside extension and/or between the spigot surface that side is extended thereon, this spring clip is fixed on the gear shift slide plate on the one hand, is bearing on the other hand on the corresponding spigot surface, and this spigot surface is provided with the groove that is used for spring clip.
Advantageously, the gear shift slide plate has bearing rail strip on two vertical side portion, fix at least one spring clip on the downside of each bearing rail strip respectively, wherein, each bearing rail strip is bearing in its spring clip and is placed on the toolroom machine housing, is provided with on the spigot surface of groove.Accompanying drawing
At length explain the present invention by a plurality of embodiment illustrated in the accompanying drawings below.Shown in the figure:
Fig. 1 has a cross section of the electric tools speed changer of the gear shift slide plate that is used to make shifting of transmission,
Fig. 2 have the gear shift slide plate of packing into wherein the toolroom machine housing parts vertical section and
The stereogram that gear shift slide plate of Fig. 3 is seen from its downside.
Embodiment describes
An electric tools shown in Figure 1, the planetary transmission of an electric screw driver for example.This planetary transmission is with known manner, for example known by DE 3904085, comprise a sun gear 1, this sun gear is connected with the driving shaft 2 antitorque commentaries on classics ground of a motor, comprise planetary gear 3,4 and 5 and hollow wheel 6 of surrounding planetary gear and sun gear a plurality of and sun gear 1 engagement, planetary gear 3,4,5 with the engagement of this hollow wheel.Whole speed changer is closed in the case of transmission 7.Hollow wheel 6 can be supported along driving shaft 2 with moving axially.This can axially movable hollow wheel 6 be used for for example being designed to the gear shift of the planetary transmission of two grades of levels.
In a primary importance, the engagement of a unshowned tooth portion makes that this hollow wheel is fixed un-rotatably on hollow wheel 6 and the case of transmission 7, and the planetary gear 3,4 and 5 that is driven by sun gear 1 goes in ring in the internal tooth portion of hollow wheel 6.In a second place, hollow wheel is not fixed on the case of transmission 7, but rotates together with planetary gear 3,4 and 5.Occupy in described these two positions which according to hollow wheel 6, produce different gear ratio from driving shaft 2 to unshowned electric tools main shaft.
A part of toolroom machine housing 8 also is shown among Fig. 1, and speed changer is placed in this toolroom machine housing.
Gear shift slide plate 9 has a handgrip 17 outstanding from the aperture 16 of toolroom machine housing 8 at upside, and it makes the operator of electric tools can operate gear shift slide plate 9.A camber member 18 of for example making with wire is connected with the gear shift slide plate, the opening respect to one another 19 and 20 that two arm portion ground of this camber member surround case of transmissions 7 and pass case of transmission 7 is inserted in the speed changer, makes the end 21 and 22 of camber member 18 catch the hollow wheel 6 in the case of transmission 7.Camber member end 21 and 22 can for example be inserted in the outer wall of hollow wheel 6 in the unshowned groove.Like this, can act on axial force transmission on the gear shift slide plate 9 on hollow wheel 6 with one by camber member 18.Therefore, by operation gear shift slide plate 9 hollow wheel 6 is moved axially in one or another gear.
Be arranged on last spigot surface 12 and 13 on the toolroom machine housing 8 and preferably be so positioned and be shaped, make them be bearing in the next door of its handgrip 17 of gear shift slide plate 9 upsides.Press to the last spigot surface 12 and 13 of toolroom machine housing 8 by gear shift slide plate 9 with its upper side, can reach and prevent that dirt from entering the high-seal of toolroom machine housing 8 inside by aperture 16.
Gear shift slide plate 9 should be in its each gear kayser clearly.On the one hand the operator is felt thus and reach desirable gear, the kayser by gear shift slide plate 9 remains in the selected gear hollow wheel 6 reliably on the other hand, makes hollow wheel can not deviate from voluntarily from this position.Which device can reach these requirements shown in Fig. 2 and 3 by, wherein, in the description part of being correlated with, use identical reference number with Fig. 1.
Fig. 2 illustrates the vertical section in a zone of this electric tools, and gear shift slide plate 9 is arranged in this zone, and Fig. 3 illustrates gear shift slide plate 9 stereogram of seeing from its downside alone.Two views among Fig. 2 and Fig. 3 show, at the downside that is placed in two bearing rail strips 14,15 on gear shift slide plate 9 vertical side portion, have fixed spring clip 23,24.These two spring clips 23,24 respectively have one outside, promptly bend the kayser projection 25,26 that from corresponding bearing rail strip 14,15.By its kayser projection 25,26, spring clip 23,24 is bearing on the following spigot surface 10,11 on being shaped on the toolroom machine housing 8.At this, because the spring force of spring clip 23,24, gear shift slide plate 9 is outwards pressed to the aperture 16 in the toolroom machine housing 8, makes gear shift slide plate 9 press to last spigot surface 12,13 on the toolroom machine housing 8 with its upper surface.Consequent gear shift slide plate 9 is sealed well with the tight aperture 16 that makes on the toolroom machine housing 8 that contacts between the toolroom machine housing 8, and stops dirt to be invaded.
When gear shift slide plate 9 moved, spring clip 23,24 slided along them on the following spigot surface 10,11 on the toolroom machine housing 8 with its kayser projection 25,26, was processed with the as many groove 27,28 of shelves level that is had with speed changer in the spigot surface 10,11 down at these.In addition, groove 27,28 is so positioned, and makes when at every turn reaching the gear of the gear shift slide plate 9 kayser projection 25,26 of spring clip 23,24 snap in the groove 27,28 under in the of one.
In an illustrated embodiment, be that a two speed transmission is provided with two grooves 27,28.But the present invention is not limited to two speed transmission, and is as long as the as many groove of shelves level that is had with speed changer is set on spigot surface 10,11, all applicable.
Different with illustrated embodiment, spring clip 23,24 also can be placed between bearing rail strip 14,15 and the last spigot surface 12,13.In addition, each spring clip 23,24 also can have an above kayser projection.Corresponding therewith, a plurality of grooves also are set in the spigot surface that is touched by spring clip 23,24.If a plurality of kayser protrusions snap are in a plurality of grooves in each gear, then the gear shift slide plate in each gear by locking better.By in each bearing rail strip 14,15 of gear shift slide plate 9, settling a plurality of spring clips and correspondingly having a plurality of grooves in the spigot surface 10,11 and 12,13 at toolroom machine housing 8 therewith, can reach identical effect.
The kayser of gear shift slide plate 9 in each gear can pass through equally with Fig. 2, and the spring clip 23,24 in 3 illustrated embodiments is provided with on the contrary aspect motion with groove 27,28 and realizes.In other words, spring clip 23,24 can be fixed on the following of toolroom machine housing 8 and go up on the spigot surface 10,11,12,13, and affiliated groove 27,28 can be opened in the bearing rail strip 14,15 of gear shift slide plate 9.
Basic design of the present invention is, for gear shift slide plate 9, realize and the corresponding latched position of shelves level by spring clip 23,24, the version of employed speed changer is irrelevant in this inventive concept and the electric tools, and this speed changer for example can have the structure of above-mentioned planetary transmission.
Claims (3)
1. the gearshift that is used for the electric tools multiple-speed gear-box, this gearshift has one and is bearing in movably on the toolroom machine housing (8), can be brought into the gear shift slide plate (9) in a plurality of gears, this gear shift slide plate is connected with a moveable portion (6) effect of speed changer, wherein, in toolroom machine housing (8), be mounted with the device (10 that is used for gear shift slide plate (9) guiding, 13), it is characterized in that, at gear shift slide plate (9) or guider (10,13) fix at least one spring clip (23,24) on, this spring clip is at gear shift slide plate (9) and guider (10,13) produce the connection of the power transmission that can rub between, and, guider (10,13) or gear shift slide plate (9) be provided with the groove (27,28) that quantity is equivalent to speed changer shelves progression, at gear shift slide plate (9) when reaching corresponding gear, spring clip (23,24) snaps in these grooves.
2. according to the gearshift of claim 1, it is characterized in that gear shift slide plate (9) is parallel in two vertical side portion that moving direction extends at least one at two spigot surfaces (10,11 with it; 12,13) be directed between, and, described at least one vertical side portion at gear shift slide plate (9) is established at least one spring clip (23 of arrangement thereon with the spigot surface (10,11) that extends at its downside and/or between the spigot surface (12,13) that side is extended, 24), this spring clip is fixed on gear shift slide plate (9) on the one hand and goes up, is bearing on the other hand corresponding spigot surface (10,11,12,13) on, this spigot surface is provided with the groove (27,28) that is used for spring clip (23,24).
3. according to the gearshift of claim 1, it is characterized in that gear shift slide plate (9) has bearing rail strip (14,15) on two vertical side portion, fix at least one spring clip (23 respectively at the downside of these bearing rail strips, 24), and, bearing rail strip (14,15) each in is with its spring clip (23,24) be bearing in and be placed in toolroom machine housing (8) and go up, be provided with on the spigot surface (10,11) of groove (27,28).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10156392.2 | 2001-11-16 | ||
| DE2001156392 DE10156392B4 (en) | 2001-11-16 | 2001-11-16 | Gear shift device for a multistage transmission of a power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1419997A true CN1419997A (en) | 2003-05-28 |
| CN1317108C CN1317108C (en) | 2007-05-23 |
Family
ID=7706023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021513643A Expired - Fee Related CN1317108C (en) | 2001-11-16 | 2002-11-18 | Shift device of multi-speed gear-box for electric machine tool |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2003205478A (en) |
| CN (1) | CN1317108C (en) |
| DE (1) | DE10156392B4 (en) |
| GB (1) | GB2383387B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232976B (en) * | 2005-08-03 | 2010-09-08 | 罗伯特·博世有限公司 | Electrical device, in particular an electrical hand-held power tool |
| CN102149518A (en) * | 2008-09-12 | 2011-08-10 | 罗伯特·博世有限公司 | Hand-held power tool having a switchable mechanism |
| CN102712085A (en) * | 2010-01-12 | 2012-10-03 | 罗伯特·博世有限公司 | Hand-operated power tool having a planetary gear |
| US8919217B2 (en) | 2008-12-02 | 2014-12-30 | Robert Bosch Gmbh | Handheld power tool with a shiftable gear |
| CN105492170A (en) * | 2013-09-02 | 2016-04-13 | 喜利得股份公司 | Portable power tool |
| CN106312957A (en) * | 2015-07-06 | 2017-01-11 | 浙江格致工具有限公司 | Power tool |
| CN111065490A (en) * | 2017-08-29 | 2020-04-24 | 费斯托工具有限责任公司 | Hand-held power tool |
| CN112936191A (en) * | 2019-12-10 | 2021-06-11 | 苏州宝时得电动工具有限公司 | Hand-held power tool |
| CN113165155A (en) * | 2018-11-22 | 2021-07-23 | 罗伯特·博世有限公司 | Hand-held power tool with a gear shifting device |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10222824A1 (en) * | 2002-05-21 | 2003-12-04 | Hilti Ag | Power tool with multi-stage gear |
| SE525188C2 (en) * | 2003-03-03 | 2004-12-21 | Atlas Copco Tools Ab | Power tool with reversing gear adjustable with actuator |
| WO2007123478A1 (en) * | 2006-04-26 | 2007-11-01 | Scania Cv Ab (Publ) | Control arrangement and gearbox |
| SE529864C2 (en) * | 2006-05-03 | 2007-12-18 | Scania Cv Abp | Control device and gearbox |
| DE102006035386A1 (en) * | 2006-10-31 | 2008-05-08 | Hilti Ag | Power tool with multistage gearbox |
| CN102937166B (en) * | 2007-08-29 | 2015-09-09 | 苏州宝时得电动工具有限公司 | Speed change tool |
| US8251158B2 (en) | 2008-11-08 | 2012-08-28 | Black & Decker Inc. | Multi-speed power tool transmission with alternative ring gear configuration |
| DE102009051844A1 (en) * | 2009-10-29 | 2011-05-05 | C. & E. Fein Gmbh | hand tool |
| JP5857217B2 (en) * | 2011-11-14 | 2016-02-10 | パナソニックＩｐマネジメント株式会社 | Switching operation device |
| DE102012213723B4 (en) | 2012-03-26 | 2023-11-02 | Robert Bosch Gmbh | Gear shifting device for a switchable transmission of a machine tool |
| DE102013202953A1 (en) | 2013-02-22 | 2014-09-11 | Robert Bosch Gmbh | Hand tool |
| CN107470677B (en) * | 2016-06-08 | 2019-11-22 | 南京德朔实业有限公司 | Torsion exports tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142211U (en) * | 1984-07-30 | 1986-03-18 | リョービ株式会社 | Rotary power tool gearbox |
| DE3904085A1 (en) * | 1989-02-11 | 1990-08-23 | Licentia Gmbh | Electric tool with a multi-step reduction gear and with a device, actuable at standstill, for changing the gear |
| DD301099A7 (en) * | 1989-06-30 | 1992-10-08 | Piko Sonneberg Veb K | BRANCH MACHINE, ESPECIALLY CHILDREN AND TOYS TOOL MACHINE |
| US5365028A (en) * | 1993-08-03 | 1994-11-15 | Kabushiki Kaisha T An T | Slide switches |
| DE19902187A1 (en) * | 1998-03-04 | 1999-09-16 | Scintilla Ag | Planetary gearing for use with hand tools e.g. electric screwdrivers etc. |
| JP2000288960A (en) * | 1999-04-01 | 2000-10-17 | Mobiletron Electronics Co Ltd | Control mechanism to change speed of motor-drive tool |
-
2001
- 2001-11-16 DE DE2001156392 patent/DE10156392B4/en not_active Expired - Fee Related
-
2002
- 2002-11-07 GB GB0226046A patent/GB2383387B/en not_active Expired - Fee Related
- 2002-11-14 JP JP2002330865A patent/JP2003205478A/en active Pending
- 2002-11-18 CN CNB021513643A patent/CN1317108C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232976B (en) * | 2005-08-03 | 2010-09-08 | 罗伯特·博世有限公司 | Electrical device, in particular an electrical hand-held power tool |
| CN102149518A (en) * | 2008-09-12 | 2011-08-10 | 罗伯特·博世有限公司 | Hand-held power tool having a switchable mechanism |
| US10005176B2 (en) | 2008-09-12 | 2018-06-26 | Robert Bosch Gmbh | Hand-held tool machine having a switchable mechanism |
| US9089954B2 (en) | 2008-09-12 | 2015-07-28 | Robert Bosch Gmbh | Hand-held tool machine having a switchable mechanism |
| US8919217B2 (en) | 2008-12-02 | 2014-12-30 | Robert Bosch Gmbh | Handheld power tool with a shiftable gear |
| CN101745899B (en) * | 2008-12-02 | 2015-02-25 | 罗伯特·博世有限公司 | Handheld power tool with a shiftable gear |
| CN102712085B (en) * | 2010-01-12 | 2016-06-08 | 罗伯特·博世有限公司 | There is the manual electric tool of planetary transmission |
| US9097331B2 (en) | 2010-01-12 | 2015-08-04 | Robert Bosch Gmbh | Hand-held power tool having a planetary gearbox |
| CN102712085A (en) * | 2010-01-12 | 2012-10-03 | 罗伯特·博世有限公司 | Hand-operated power tool having a planetary gear |
| CN105492170A (en) * | 2013-09-02 | 2016-04-13 | 喜利得股份公司 | Portable power tool |
| CN105492170B (en) * | 2013-09-02 | 2018-05-08 | 喜利得股份公司 | Cordless power tool |
| US10328565B2 (en) | 2013-09-02 | 2019-06-25 | Hilti Aktiengesellschaft | Portable power tool |
| CN106312957A (en) * | 2015-07-06 | 2017-01-11 | 浙江格致工具有限公司 | Power tool |
| CN106312957B (en) * | 2015-07-06 | 2018-12-28 | 浙江格致工具有限公司 | Power tool |
| CN111065490A (en) * | 2017-08-29 | 2020-04-24 | 费斯托工具有限责任公司 | Hand-held power tool |
| CN111065490B (en) * | 2017-08-29 | 2023-11-03 | 费斯托工具有限责任公司 | Hand-held tool machine |
| CN113165155A (en) * | 2018-11-22 | 2021-07-23 | 罗伯特·博世有限公司 | Hand-held power tool with a gear shifting device |
| CN112936191A (en) * | 2019-12-10 | 2021-06-11 | 苏州宝时得电动工具有限公司 | Hand-held power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0226046D0 (en) | 2002-12-18 |
| CN1317108C (en) | 2007-05-23 |
| DE10156392B4 (en) | 2008-04-10 |
| GB2383387B (en) | 2004-02-04 |
| JP2003205478A (en) | 2003-07-22 |
| GB2383387A (en) | 2003-06-25 |
| DE10156392A1 (en) | 2003-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 Termination date: 20131118 |