CN103269833A - Transmission arrangement for a power tool, and power tool - Google Patents
Transmission arrangement for a power tool, and power tool Download PDFInfo
- Publication number
- CN103269833A CN103269833A CN201180060988.5A CN201180060988A CN103269833A CN 103269833 A CN103269833 A CN 103269833A CN 201180060988 A CN201180060988 A CN 201180060988A CN 103269833 A CN103269833 A CN 103269833A
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- transmission device
- coupling unit
- clutch
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- bevel gear
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 230000008878 coupling Effects 0.000 claims abstract description 80
- 238000010168 coupling process Methods 0.000 claims abstract description 80
- 238000005859 coupling reaction Methods 0.000 claims abstract description 80
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001227561 Valgus Species 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
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- 230000011218 segmentation Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Percussive Tools And Related Accessories (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a transmission arrangement (100) for transferring a rotational movement in a power tool, in particular a hand-power tool (10), comprising a coupling unit (140) which is designed as an engagement coupling and which comprises at least two coupling members (152, 154) and a bevel transmission (108) that has a bevel gear pair (106). A gear (104) of the bevel gear pair (106) forms a coupling member (152) of the coupling unit (140).
Description
Technical field
The present invention relates to a kind of according to claim 1 transmission device for electric tool as described in the preamble.
Background technology
Electric tool, especially hand held electric tool for example depth stop driver, electric screw driver machine, rig or hammer drill are known, and they comprise that a transmission device that is used for transferring rotational motion, one are constructed to clutch unit engaging clutch, that have two coupling units and one and have the right bevel gear speed changer of bevel gear.
" engaging clutch " especially is appreciated that a clutch at this, and wherein the unit for the connection of setting up transmitting torque forms cooperation by the axial passing that preferably is pulled to each other.
In known utensil, the clutch unit that is configured to engaging clutch is arranged on the different positions at this with the Bevel Gear Transmission device, especially is arranged in the construction unit that separates of transmission device." different positions " especially are interpreted as clutch unit and the layout of spatially separating of Bevel Gear Transmission device in transmission device inside at this.A kind of situation especially described in term " construction unit that separates ", namely not only the bevel gear of the coupling unit of clutch unit but also Bevel Gear Transmission device to being constituted by the element that separates on the structure.This structurally different element by transmission device in the Bevel Gear Transmission device that acts on that turns to that rotatablely moves produces, as by control or the control action of clutch unit on rotatablely moving." control or control action " this especially to rotatablely move, especially controllable braking, interruption or the cancellation from the driving side of transmission device to the transmission of the torque of the slave end of transmission device.
Summary of the invention
Has advantage according to the transmission device with feature of independent claims of the present invention, namely by the structure of the right wheel of bevel gear as the coupling unit of the clutch unit that is configured to engaging clutch, under the situation of identical ability to work, take littler structure space than known transmission device according to transmission device of the present invention." bevel gear to " especially is interpreted as the right device of the wheel with each rotation at this, wherein two rotations be not parallel to each other mutually ground, especially become greater than 0 ° of angle and less than 90 ° of angles ground mutual orientations.Preferably, the right rotating shaft wire clamp of bevel gear become one between 10 ° and 90 °, the preferred angle between 50 ° and 80 °." coupling unit " especially is understood that a unit or element in addition, can realize or realize control or the control action of clutch unit by it.
Be to have reduced the number of components of transmission device by the integrated cost of steering-effecting in the wheel of Bevel Gear Transmission device of the control of clutch function or control action and Bevel Gear Transmission device as other advantage with descending.
Favourable expanded configuration and the improvement of the feature that obtains in independent claims, providing by the measure of listing in the dependent claims.
Preferred bevel gear can be adjusted in one as the wheel for inputting of the input side of Bevel Gear Transmission device or the favourable gearratio between pinion and the slave end thus to being arranged on the slave end of Bevel Gear Transmission device.
Realize in the following manner that according to the transmission device with extra high efficient of the present invention namely the right wheel of bevel gear is a gear and especially is constructed to bevel gear or crown gear.Particularly advantageously be, this is taken turns and is constructed to crown gear because the Bevel Gear Transmission device along bevel gear right second take turns, especially the rotation of wheel for inputting or pinion to change with respect to the position be insensitive.
In a kind of simple especially embodiment according to transmission device of the present invention, this is taken turns a side and is loaded with coupling unit, is used for foundation and connects with the effect of the corresponding coupling unit of second coupling unit.
" side " especially is understood that the face of taking turns at this, and it is not parallel with respect to the rotation of wheel, preferably is at least 45 ° angle, especially preferably is substantially perpendicular to the rotation orientation." coupling unit " especially is interpreted as such parts on meaning of the present invention, they can produce, cause or cause dismountable, force closure and/or the sealed connection of shape between the coupling unit that correspondingly constitutes." detachably " but this especially be understood that repeated removal and/or about aspect the rotary speed that rotatablely moves quick release, preferably in the scope of a part of changeing detachable and/or compare with the rotary power that will transmit that rotatablely moves very little power, preferably less than rotary power 15%, especially preferably less than 2%.Suitable coupling unit this can for example leave a blank by geometry, valgus, claw-like, the projection shape or similarly structure or for example the rubbing surface on the coupling unit constitute, conversion ground or additionally, coupling unit can be by the electromagnetic component parts of the sealed connection of magnet and/or electromagnet or, force closure dismountable be used to setting up known to the skilled and/or shape for example." corresponding coupling unit " especially is understood that coupling unit, and they cause in couples respectively, cause or cause dismountable, force closure and/or the sealed connection of shape.
If clutch unit is constructed to friction clutch, can be implemented in simply so according to the input side of transmission device of the present invention and the controllable transmission on the limit that rotatablely moves between the outlet side.At this, especially also can realize the transmission of being braked, wherein, the transmission of being braked especially is understood that the output rotary power that reduces with respect to the input rotary power.See at this that as other advantage clutch unit can be independent of the relatively rotation place closure of its coupling unit.
Preferably, coupling device is configured to corresponding rubbing surface at this." corresponding rubbing surface " especially is understood that on the coupling unit mutual opposed at this, and they apply a very important frictional force in the zone at rubbing surface mutually when producing the surface contact.Especially be understood that a frictional force in this " very important frictional force ", it enough is used for the torque on the input side is delivered to outlet side at least in part.
A kind of preferred embodiment in, rubbing surface is constructed to corresponding taper seat.At this, " corresponding taper seat " especially is understood that two opposed taper seat or the conical surfaces in couples, wherein, first taper seat is that an outside and second taper seat are inner faces, and wherein the outside can be coupled in the inner face so that setting up friction connects, and makes these faces form contact, is preferably formed the wedge shape contact or connects.
In another preferred embodiment, clutch unit is constructed to jaw clutch, wherein, one coupling unit in the described at least coupling unit constitutes by the kayser dead slot, and the coupling unit that is constructed to joint element of another coupling unit can be coupled in this kayser dead slot.Allow to control simply transmission of torque from from input side to outlet side according to the embodiment in this wise of transmission device of the present invention, especially the high efficiency while with the binary system control mode.
In a kind of particularly preferred expanded configuration, one in the coupling unit is constructed to rolling element, the especially rolling element of elasticity pretension, the claw of second coupling unit or kayser projection can be coupled to wherein, so pawl formula or kayser projection clutch can easily be constructed to safety clutch.A safety clutch has advantage, and namely transmitting torque is limited in maximum, can realize the favourable additional and/or defencive function in the electric tool thus.
When being provided with according to of the present invention during for the transmission device of transferring rotational motion to the working cell, obtain a kind of favourable embodiment of electric tool, especially hand held electric tool as for example depth stop driver, electric screw driver machine, rig or hammer drill, it has for generation of the electric drive unit that rotatablely moves.Preferably, one of said driver element driven rotation that drives rotation and described transmission device ground that is not parallel to each other mutually is directed, the center of gravity of electric tool can be advantageously designed thus, especially in hand held electric tool, the handgrip front can be advantageously be placed on.
In a kind of preferred expanded configuration of electric tool, control or clutch operating parts that at least one is used for the clutch state of adjusting clutch unit are set." clutch state " especially is interpreted as in the connection status between the coupling unit and/or adjustable parameter for the stiffness of coupling between coupling unit at this.Especially in friction or safety clutch, stiffness of coupling has limited the transmission of torque from input side to outlet side.The technical staff is at these known different parts of document from being familiar with, the spring system or the lever system that for example have adjustable spring force, be used for for example allowing the thrust of change friction clutch, they can be advantageously provided in according to transmission device of the present invention as required.Spring system or lever system for example are made of corresponding " control assembly " at this.Such control or clutch operating parts are for example fully known by DE 10 2,006 057 283 A1 for the technical staff.
Description of drawings
Embodiments of the present invention are shown in the drawings and describe in detail in the following description.It illustrates:
Fig. 1 illustrates conduct according to the depth stop driver of first embodiment of transmission device of the present invention;
Fig. 2 illustrates first embodiment as the wheel of coupling unit;
Fig. 3 a and 3b illustrate second embodiment as the wheel of coupling unit;
Fig. 4 illustrates conduct according to the hammer drill of second embodiment of transmission device of the present invention;
Fig. 5 a and 5b illustrate the 3rd embodiment as the wheel of coupling unit.
The specific embodiment
Fig. 1 illustrates the schematic diagram of a depth stop driver as first example that has according to electric tool 10, the especially hand held electric tool of transmission device 100 of the present invention.
In the housing 13 of housing 12, especially a multi-piece type of electric tool 10, transmission device 100 is arranged between a driver element 14 and the working cell 20 at this, and this driver element comprises a motor 16 with motor shaft 18.An operating unit 22 that is used for starting electric tool 10 and control and/or adjusting device 24 also are set, a preferred electronic unit 25 in housing 12.A battery or secondary battery unit also are set, and a preferred removable battery or secondary battery unit 27 are used for providing energy to driver element 14.Conversion ground or replenish ground, energy feed unit 26 but also can be constructed to one unshowned at this, but for the technical staff known mains supply unit that digs for a long time.In addition, for technical staff also known other energy feed unit fuel cell for example, they can alternatively or additionally be used.
In the preferred embodiment according to Fig. 1, operating unit 22 and control and/or adjusting device 24,25 are arranged in housing 12,13 the handgrip section 28.Energy feed unit 26,27 preferably is arranged in the end regions 29 of handgrip section 28 at this.Driver element 14 is arranged on housing 12,13 one and drives in the section 30 in the example according to Fig. 1, and transmission device 100 and working cell 20 one is arranged in inner part 32 and is received in housing 12, an active section 34 of 13.
In the embodiment according to Fig. 1, pinion 102 is constructed to the roller gear 103 of straight-tooth or helical teeth and is arranged for one second take turns 104 and form a Bevel Gear Drive transmission device 108 as conical gear to 106.This second is taken turns 104 and arranges, especially can be arranged on the axle of working-spindle 40 with rotating freely around rotation 110 at this.In the embodiment according to Fig. 1, second takes turns 104 is arranged on supporting arrangement 130, for example sliding bearing 103 or rolling bearing in the centre bore 105 with respect to this axle or working-spindle 40 decoupling zeros by one, especially rotates decoupling zero.
The gearratio IW of Bevel Gear Drive device 108 at this between 1 and 10, preferably between between 2 and 8, particularly preferably in 2.5 and 6.
Second takes turns 104 preferably is constructed to crown gear 112 and has the crown gear tooth portion 113 of a straight-tooth or helical teeth at this at this.Conversion ground, pinion 102 and second take turns 104 but also can be constructed to a pair of angular wheel, as by known to the skilled.
According to Fig. 1, electric machine rotational axis line 36 and second is taken turns 104,112 rotation 110 and is pressed from both sides into one 90 ° angle W1.But also can be advantageously, this angle W1 is between 10 ° and 90 °, especially between 50 ° and 80 °, as it according to as shown in second application examples of Fig. 4.
In the application examples according to Fig. 1, at least one coupling unit 150 of a clutch unit 140 is set a side 114 that 20 direction is pointed to towards the working cell basically, preferably be arranged on this side 114, especially be connected with side 114.A kind of preferred, for installing in the friendly embodiment, coupling unit 150 and second is taken turns 104,112 and is constituted integratedly, thus second takes turns first coupling unit 152 of 104 formation clutch units 140.
20 take turns second coupling unit 154 that clutch unit 140 is set before 104,112 up to second towards the working cell, and it preferably can not be connected with axle or working-spindle 40 with relatively rotating.
In a kind of particularly preferred embodiment, as it as shown in Fig. 1, can fix for this reason, an interposed clutch element 155 is set between first and second coupling units 152,154, it abuts on first coupling unit 152 towards the direction of second coupling unit 154.In an engagement state of second coupling unit 154, it sets up force closure and/or sealed being connected in order to drive 152 rotations of first coupling unit of shape with interposed clutch element 155.
A reposition element 158 that for example is constructed to spring element, especially helical spring element 156 according to Fig. 1 is being set between two coupling units 152,154 or between second coupling unit 154 and interposed clutch element 155, it is brought into coupling unit 152,154 in the first clutch state, wherein, coupling unit 152,154 does not mesh in this first clutch state in according to the example of Fig. 1.Therefore clutch unit 140 is opened, and the transmission from first coupling unit, 152 to second coupling units 154 is interrupted.
In order to make clutch unit 140 transfer to one among Fig. 1 in the unshowned second clutch state from first arrangement of clutch, coupling unit 152,154 engagements are so that transmitting torque also arranges clutch operating parts 160 in the second clutch state.In the simple embodiment according to Fig. 1, clutch operating parts 160 are constructed to two axle sections 42 that can axially move along rotation 110 of axle or working-spindle 40,44 chain.At this, axle section 42,44 constitutes in this wise and/or arranges, and moving axially of the section 42 of winning can be delivered to towards the direction of clutch unit 140 on second section.Second coupling unit 154 this preferably be connected with second section 44 rigidly and therefore can by axle section 42,44 move axially and first coupling unit 152 forms engagement.
In the embodiment according to Fig. 1, clutch unit 140 preferably is constructed to a dog clutch 141.Fig. 2,3a and 3b illustrate a crown gear 112 for this reason and take turns 104 for example embodiment as second of Bevel Gear Transmission device 108.Identical or act on identical feature and indicate identical at this
Reference numeral.
Four kayser dead slots 162 that are arranged in the side 114 are set in the crown gear 112 according to Fig. 2, they be provided for receiving second coupling unit 154 correspondingly constitute, at this unshowned joint element 164.Joint element 164 preferably is constructed to claw type or projection shape at this.Kayser dead slot 162 and joint element 164 form coupling unit 152,154 coupling unit 150 at this.
But also maybe advantageously, replace four kayser dead slots 162 that more or less, especially two, three or five kayser dead slots 162 are set.The quantity of the joint element 164 of second coupling unit 154 preferably upwards by the restricted number of kayser dead slot 162, especially maybe advantageously, arranges still less, preferred only half so much joint element 164 of kayser dead slot 162.Can stipulate also that in special circumstances two coupling units 152,154 have kayser dead slot 162 and joint element 164 respectively.
Fig. 2 also illustrates bearing unit 130 in second layout of taking turns in 104,112 the centre bore 105.In the embodiment according to Fig. 2, bearing unit 130 is constructed to sliding bearing.
Fig. 2 illustrates conical tubular gear 112, can advantageously regulate half the corresponding angle W1 with taper subtended angle WK by it, Fig. 3 a and 3b illustrate the layout of crown gear tooth portion 113 on the vertical side 114 with respect to periphery 116 of crown gear 112.This design especially is suitable for the almost vertical layout of the rotation of driver element 14 and working cell 20, as them for example according to shown in Figure 1.
Fig. 3 b illustrates the section that passes through crown gear 112 along line A-A of Fig. 3 a.Can see that in this section the kayser dead slot 162 of this embodiment has one basically snapping in or mistake kayser type exterior feature 168 that circumferencial direction 166 arranges.Snapping in or cross kayser type exterior feature 168 is characteristics by a degree of depth that changes in a circumferential direction of kayser dead slot 162 especially at this.
The engaged fit that this snaps in or mistake kayser type wide 168 is conducive to set to the joint element 164 of second coupling unit 154 on the one hand.In a kind of preferred expanded configuration,------rolling element of spring element pretension---for example by---constitutes especially as the rolling element of elasticity pretension, can pass through the kayser process and realizes one by the clutch unit 140 of maximum torque transfer capacity restriction by snapping in or cross kayser type exterior feature 168 on the other hand for for example ball, roller or roller for the rolling element of joint element 164 by not drawing at this wherein.Conversion ground, joint element 164 also can be constructed to slope or projection.The technical staff sees the so-called different embodiments of crossing the kayser clutch for this reason, and its feature that was conducive to kayser can be used under the situation that does not influence inventive concept in according to transmission device 100 of the present invention.
Fig. 4 illustrate have the 3rd embodiment according to the schematic diagram of the hammer drill of transmission device 100 of the present invention second application examples as electric tool 10.Identical or act on identical feature and have the Reference numeral identical with the example of describing before at this.
As in according to the example of Fig. 1, housing 12,13 has especially electronic unit form of working cell 20 and operating unit 22, control and/or regulon 24(except the driver element 14 that is configured to motor 16) and energy feed unit 26.
, be arranged for according to transmission device 100 of the present invention one is delivered on the axle or working-spindle 40 that is constructed to jackshaft 46, controllably is delivered on the working cell 20 by driver element 14 in the driving moment that motor shaft 18 produces by top explanation in the known mode.At this, " controllably transmitting " especially is understood that to activate alternatively/forbid input quantity is delivered in the output quantity.In particular, the end regions 38 of motor shaft 18 has by the disclosed pinion 102 of Fig. 1,103, it and second take turns 104 and form bevel gear according to the Bevel Gear Transmission device 108 of transmission device 100 of the present invention to 106.This device and the mode of action at this corresponding to by the known embodiment of Fig. 1, thereby especially about function and possible modification possibility with reference to explanation before.
The working cell 20 of hammer drill comprises at least one beater mechanism driver 48.This beater mechanism driver 48 has one and is used for the oscillatory gearing mechanism 52 of driven plunger unit 54 oscillatorily in the example according to Fig. 4, it comprises a bearing insert 56, but the preferred free rotary ground supporting of this bearing insert is on jackshaft.A rotating driver 50 can also be set, as it only schematically illustrating among Fig. 4.
Preferably be constructed to second of crown gear 112 and take turns the 104 friction profiles 180 that have an annular in its side 114, it has an internal valve 182 that radially has inside sensing basically in the direction of centre bore 105.Shell surface 64 and internal valve 182 are constructed to rubbing surface 184, rubbing surface 184 especially complimentary to one another, that can contact basically each other respectively planarly.Preferred shell surface or internal valve 64,182 subtended angle O1 and O2 is approximate constitutes in the same manner, thus the connection of a force closure that causes by frictional force when two conical 64,182 engagement, formed, especially clamp and connect or wedge shape connects.This particularly well in Fig. 5 b as seen.Conversion ground also can arrange one about the structure of its radial directed exchange of rubbing surface 184 in according to transmission device 100 of the present invention.Rubbing surface 184 forms the coupling unit 150 of clutch unit 140 thus, wherein, second take turns 104,112 and friction profile 180 form second coupling unit 154 that first coupling units 152 and bearing insert 56 and circular cone ring 62 form clutch units 140.
What Fig. 5 a illustrated first coupling unit 152 takes turns 104,112 and the example of the friction profile 180 arranged around centre bore 105 according to second of Fig. 4.Friction profile 180,152 is listed as this at this and is configured to conical sleeve around the ground formation with the circular cone ring 62 of second coupling unit 154.But also maybe advantageously, at least one coupling unit 152,154 be constructed to segmentation, especially be configured to the conical sleeve section that section ground interrupts.
A kind of preferred, at length do not illustrate at this, but for the technical staff for example from DE 102,006 057 283 A1 the known embodiment, at least one control or clutch operating parts 160 are set in the electric tool 10 according to Fig. 4, and it allows one by the clutch state of operator's conversion clutch unit 140 of electric tool 10.About control or the structure of clutch operating parts 160 and working method in this respective description with reference to DE 10 2,006 057 283 A1.Obviously also can in having according to the electric tool 10 of transmission device 100 of the present invention, use other for control known to the skilled or clutch operating parts 160 for technicians.
The combination of the individual features of the embodiment that the technical staff especially passes through in above explanation obtains other modification according to transmission device 100 of the present invention.
Claims (13)
1. be used for the transmission device (100) in electric tool, especially hand held electric tool (10) transferring rotational motion, comprise a clutch unit (140) that is constructed to engaging clutch, this clutch unit has at least two coupling units (152,154) and one have bevel gear to the Bevel Gear Transmission device (108) of (106), it is characterized in that described bevel gear forms a coupling unit (152) of clutch unit (140) to a wheel (104) of (106).
2. transmission device according to claim 1 (100) is characterized in that, described bevel gear is arranged on the slave end of described Bevel Gear Transmission device (108) the wheel (104) of (106).
3. transmission device according to claim 1 (100) is characterized in that, described bevel gear is a gear to the wheel (104) of (106), and especially is constructed to bevel gear or crown gear (112).
4. according to each described transmission device (100) in the above claim, it is characterized in that, describedly take turns (104,112) be loaded with coupling unit (150) in a side (114), it is used for foundation and connects with the effect of the corresponding coupling unit (150) of second coupling unit (154) of clutch unit (140).
5. transmission device according to claim 4 (100) is characterized in that, described clutch unit (140) is constructed to friction clutch, and described coupling unit (150) is constructed to corresponding rubbing surface (184).
6. transmission device according to claim 5 (100) is characterized in that, described rubbing surface (184) is constructed to corresponding taper seat (64,182)
7. transmission device according to claim 4 (100) is characterized in that, described clutch unit (140) is constructed to jaw clutch (141), and described at least coupling unit (152; 154) one coupling unit (150) in constitutes by kayser dead slot (162), another coupling unit (154; 152) the coupling unit that is constructed to joint element (164) (150) can be coupled in this kayser dead slot.
8. transmission device according to claim 7 (100) is characterized in that, described coupling unit (152; 154) one in one the coupling unit (150) in is constructed to rolling element, the especially rolling element of elasticity pretension, and they can be coupled to another coupling unit (154; 152) in the kayser dead slot (162).
9. according to each described transmission device (100) in the above claim, it is characterized in that, described bevel gear is loaded a power, preferred spring force to the wheel (104) of the formation coupling unit (152) of (106), this power makes wheel (104,152) from second coupling unit (154) separately.
10. according to each described transmission device in the above claim, it is characterized in that, described bevel gear to the rotation (36,110) of (106) press from both sides into one between 10 ° and 90 °, the angle W1 between 50 ° and 80 ° especially.
11. electric tool, especially hand held electric tool (10), has one for generation of each is described for the transmission device (100) of transferring rotational motion to the working cell (20) in the electric drive unit that rotatablely moves (14,16) and the above claim of basis.
12. electric tool according to claim 11 is characterized in that, one of described driver element (a 14) driven rotation (110) that drives rotation (36) and described transmission device (100) ground orientation that is not parallel to each other mutually.
13. according to claim 11 or 2 described electric tools, it is characterized in that, control or clutch operating parts (160) that at least one is used for the clutch state of adjusting clutch unit (140) be set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010063729 DE102010063729A1 (en) | 2010-12-21 | 2010-12-21 | Gear arrangement for a power tool and power tool |
| DE102010063729.7 | 2010-12-21 | ||
| PCT/EP2011/070209 WO2012084346A1 (en) | 2010-12-21 | 2011-11-16 | Transmission arrangement for a power tool, and power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103269833A true CN103269833A (en) | 2013-08-28 |
Family
ID=44971034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180060988.5A Pending CN103269833A (en) | 2010-12-21 | 2011-11-16 | Transmission arrangement for a power tool, and power tool |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2655020A1 (en) |
| CN (1) | CN103269833A (en) |
| DE (1) | DE102010063729A1 (en) |
| RU (1) | RU2013133707A (en) |
| WO (1) | WO2012084346A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770871A (en) * | 2018-09-27 | 2021-05-07 | 罗伯特·博世有限公司 | Safety brake device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013202027B4 (en) | 2013-02-07 | 2024-09-26 | Robert Bosch Gmbh | Portable machine tool with one main handle and one bow handle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1095068A (en) * | 1965-10-14 | 1967-12-13 | Mets Owerke Kg Closs Rauch & S | Improvements in motor-driven grinders comprising bevel gearings |
| DE2158598B2 (en) * | 1971-11-26 | 1974-05-09 | Metabowerke Kg, Closs, Rauch & Schnizler, 7440 Nuertingen | Lubricating device for gears with operation in all positions |
| DE3328955A1 (en) * | 1983-08-11 | 1985-02-21 | Robert Bosch Gmbh, 7000 Stuttgart | ANGLE GRINDERS WITH A SAFETY CLUTCH |
| DE102006057283A1 (en) | 2006-12-05 | 2008-06-12 | Robert Bosch Gmbh | hand tool |
-
2010
- 2010-12-21 DE DE201010063729 patent/DE102010063729A1/en active Pending
-
2011
- 2011-11-16 EP EP11782440.9A patent/EP2655020A1/en not_active Withdrawn
- 2011-11-16 RU RU2013133707/02A patent/RU2013133707A/en not_active Application Discontinuation
- 2011-11-16 CN CN201180060988.5A patent/CN103269833A/en active Pending
- 2011-11-16 WO PCT/EP2011/070209 patent/WO2012084346A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770871A (en) * | 2018-09-27 | 2021-05-07 | 罗伯特·博世有限公司 | Safety brake device |
| US11673218B2 (en) | 2018-09-27 | 2023-06-13 | Robert Bosch Gmbh | Safety braking device |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2013133707A (en) | 2015-01-27 |
| WO2012084346A1 (en) | 2012-06-28 |
| DE102010063729A1 (en) | 2012-09-27 |
| EP2655020A1 (en) | 2013-10-30 |
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Application publication date: 20130828 |