CN105364788A - Hand tool - Google Patents
Hand tool Download PDFInfo
- Publication number
- CN105364788A CN105364788A CN201510508245.XA CN201510508245A CN105364788A CN 105364788 A CN105364788 A CN 105364788A CN 201510508245 A CN201510508245 A CN 201510508245A CN 105364788 A CN105364788 A CN 105364788A
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- CN
- China
- Prior art keywords
- driven shaft
- hand held
- held power
- locking element
- power machine
- 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.)
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Classifications
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- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
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- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
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- 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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Transmission Devices (AREA)
Abstract
A hand tool has a housing. A driving shaft driven by a driving motor and a driven shaft driven by the driving shaft are arranged in the housing at least in sections. The driven shaft is equipped with a locking device which is constructed to be used for preventing the driven shaft from rotatably moving at least indirectly when torque is imposed on the driven shaft which is in the static state. The locking device is provided with at least one locking element which is capable of axially moving relative to the driven shaft. The locking elements are constructed to be used for locking the rotational movement of the driven shaft when the driven shaft is not driven in a first axial operation position, and permitting the rotational movement of the driven shaft when the driven shaft is driven in a second axial operation position. The locking device is constructed to be used for allowing the axially movable locking elements to transit to the second axial operation position from the first axial operation position when the driving shaft carries out driving.
Description
Technical field
The present invention relates to a kind of hand held power machine, it has housing, in described housing, arrange that one can by the driven shaft of this drive shaft by the driving shaft of drive motor and one at least section, wherein, configure a locking system to described driven shaft, described locking system is configured to the rotary motion at least indirectly preventing driven shaft in the inactive state of described driving shaft when applying torque to described driven shaft.
Background technology
Hand held power machine, such as angle grinding machine or rig is disclosed on the one hand by prior art, in described hand held power machine, driving shaft or driven shaft must pass through can be changed between non-locking state and locking state by the lockable mechanism of operator's manual manipulation, or conversely.Such as disclose angle grinding machine, in the grinding machine of described angle, driven shaft is locked or release by button.Additionally, by prior art discloses the hand held power machine with locking system, namely so-called " main shaft automatic locking ", in described hand held power machine, when applying external torque and CD-ROM drive motor is not energized, driven shaft automatically enters into locking state by the locking element that can move radially.
The shortcoming of prior art is, needs the lockable mechanism of manual manipulation not allow replaced by one hand cutter and known locking system requires relatively large structure space due to the moveable locking element of radial direction and therefore can not use in the limited hand held power machine of structure space in corresponding hand held power machine.
Summary of the invention
Therefore task of the present invention is, provides a kind of novel hand-held toolroom machine, and it has the relatively little locking system of structure.
The problems referred to above are solved by a kind of hand held power machine, and it has housing, arrange that one can by the driven shaft of this drive shaft by the driving shaft of drive motor and one in described housing at least section.Configure a locking system to described driven shaft, described locking system is configured to the rotary motion at least indirectly preventing driven shaft in the inactive state of described driving shaft when applying torque to described driven shaft.Described locking system has at least one locking element that can move axially relative to described driven shaft, described locking element is configured to the rotary motion of driven shaft described in locking in the not driven situation of driving shaft in the first axial run location and in the second axial run location, allows the rotary motion of described driven shaft in the driven situation of driving shaft, wherein, described locking system is configured to cause described axially movable locking element to be transitioned into the second axial run location from the first axial run location when described drive shaft.
Compared with prior art, the advantage that hand held power machine of the present invention has is, allows to reduce to realize the structure space needed for locking system by using the locking element that can move axially.Thus, in the hand held power machine being provided with relatively little structure space, also can be equipped with locking system of the present invention, particularly when this locking system is constructed to the part of the replaceable construction unit of modular or this construction unit.
According to an embodiment, one configuration is arranged in described housing to the lockable mechanism of described locking system without relative rotation, wherein, the movable locking element of described axis to be configured in described first axial run location that structure form is sealed between described driven shaft with described lockable mechanism is connected.Simple and stable locking system can be provided thus.
The movable locking element of preferred described axis forms according to the type of the lock plate be arranged in without relative rotation on driven shaft and/or described lockable mechanism is formed according to the type of locking plate.Axially movably and the lock plate be arranged in without relative rotation on driven shaft is can the element of simple realization, it such as easily interacts with the locking plate arranged without relative rotation in the housing by toothing.This locking plate can manufacture simply and inexpensively and also can arrange simply or be fixed in the housing of hand held power machine.Manufacture simple and with low cost and the assembling of locking system can be realized thus.
According to an embodiment, described locking system has centrifugal force coupling arrangement, and wherein, described locking element can be moved axially by described centrifugal force coupling arrangement.Centrifugal force coupling arrangement provides following possibility: allow locking element axially move according to the rotating speed of driving shaft or driven shaft.At this, the compact transmission device of the automatic locking with driven shaft can be used, wherein, neither need the structure space added, also there is no need for the electric component controlling automatic locking device, this locking system can be integrated in existing hand held power machine simply thus.Therefore, locking element can enter into the second axial run location from the first axial run location (driven shaft is by locking described in this first axial run location) simply, can carry out the rotary motion of driven shaft in this second axial run location.
According to an embodiment, described locking system has spring to be spring-loaded by described locking element in described first axial run location.Locking element can be moved in locking position simply by spring.
According to an embodiment, described driven shaft is at least configured with many prism shapes section section, and wherein, described locking element is antitorque to be rotatably arranged on described many prism shapes section in axially movable mode.It is solution simple and with low cost for preventing locking element from reversing relative to driven shaft that driven shaft constructs the bight of many prism shapes section or seamed edge.
According to an alternative embodiment, par more than, particularly one or three pars are connected with described driving shaft positive and/or force closure ground, and wherein, described locking element is antitorque to be rotatably arranged on described many pars in axially movable mode.The many pars be fitted on driven shaft or engage with driving shaft tooth are for forbidding another conversion scheme simple and with low cost that locking element reverses.Thereby, it is possible to prevent locking element from reversing in a straightforward manner, and maintain axial displaceability simultaneously.
According to an embodiment, described driving shaft and described driven shaft, each other with predetermined angle, particularly vertically arrange, wherein, arrange one bevel gear-disk gear-match with transmitting torque between driving shaft and driven shaft.In a lot of hand held power machine, such as polishing machine or angle grinding machine, this transmission device between driving shaft and driven shaft allows economical space saving to install in the housing and realizes the human factor engineering moulding of hand held power machine.This disk gear particularly preferably is at this, a disk gear is arranged on driven shaft, because can utilize simple mechanical device anti-torsionally locked.
According to an embodiment, described driven shaft has a disk gear, and wherein, described disk gear has at least one groove and takes kinetoplast to receive.Locking element can be realized thus be coupled with the simple of disk gear.
In described locking element, preferably constructing one for taking kinetoplast, guide rail especially for ball or roller, wherein, taking kinetoplast described in the axial distance between disk gear and locking element can pass through and putting change in the respective run bits of described guide rail interior.By the groove in disk gear and the guide rail in locking element, provide a kind of simple and reliable possibility and reliably guide and movable take kinetoplast, particularly ball or roller.
Particularly preferably be at this, described guide rail particularly has depressed part in first terminal position, wherein, take kinetoplast described in be arranged in described depressed part when applying torque to described driven shaft in the inactive state of described driving shaft and/or in the inactive state of described driving shaft.Described guide rail allows the axially different distance realized between disk gear and locking element due to depressed part, by this guide rail, give the simple possibility allowing locking element move axially.Can realize allowing locking element move between the first axial run location and the second axial run location with simple possibility thus.
Another favourable further scheme is, described in take on first terminal position that kinetoplast is positioned at described guide rail in the first axial run location of described locking element and be positioned on second terminal location opposed with described first terminal position of described guide rail in the second axial run location of described locking element.Thus, the movement taking kinetoplast can cause moving axially of locking element on the whole path of guide rail, and need not occur precipitous gradient in guide rail, thus it is stuck to prevent taking kinetoplast.In addition, can being fixed in the terminal location of guide rail by taking kinetoplast, making the slippage unintentionally taking kinetoplast become difficult thus.
According to an embodiment, one is constructed for taking kinetoplast, guide rail especially for ball or roller in described disk gear, wherein, take kinetoplast described in the axial distance between disk gear and locking element can pass through and put change in the respective run bits of described guide rail interior.The guide rail installed in disk gear for taking kinetoplast is simple and reliable another the alternative possibility moved axially realizing locking element.
According to an embodiment, a driven shaft brake, particularly magnetic field brake unit are arranged for described driven shaft, preferred eddy-current brake.Can additionally provide wearing and tearing low thus and reliable brake apparatus.
According to an embodiment, described hand held power machine has one to be configured in angle gear between driving shaft and driven shaft according to the type structure of angle grinding machine.Thus, locking system of the present invention also can use in the grinding machine of angle with method in a straightforward manner.
According to an embodiment, described driven shaft and described locking system configure to a modular driven structure assembly, and described driven structure assembly can removably be connected with described hand held power machine.Can realize when whole hand held power machine need not be changed thus changing or safeguarding.
Accompanying drawing explanation
The present invention sets forth in the following description further according to the embodiment shown in accompanying drawing.At this, the component with identical function represents with identical Reference numeral.
In accompanying drawing:
Fig. 1: the perspective view that hand held power machine is shown, it has the locking system according to an embodiment;
Fig. 2: the sectional view being provided with the hand held power machine of driven structure assembly of the present invention that Fig. 1 is shown, it has locking system;
Fig. 3: the disintegration figure that the locking system of Fig. 2 is shown;
Fig. 4: the sectional view that the driven structure assembly of the hand held power machine of Fig. 2 is shown, direction is along the power stream in the be in the locking element of attaching troops to a unit first axial run location;
Fig. 5: the sectional view that Fig. 4 is shown, direction is along the power stream in the be in locking element second axial run location;
Fig. 6 a: the sectional view that Fig. 4 is shown, has to be in and takes kinetoplast in the first terminal position of the guide rail of attaching troops to a unit;
Fig. 6 b: the detail view that a local in Fig. 6 a is shown;
Fig. 7 a: the sectional view that Fig. 6 a is shown, has to be in and takes kinetoplast in the second terminal location of the guide rail of attaching troops to a unit;
Fig. 7 b: the detail view that a local in Fig. 7 a is shown;
Fig. 8: the disk gear that the hand held power machine of Fig. 1 is shown;
Fig. 9: the locking element that the hand held power machine of Fig. 1 is shown, it has the guide rail for locking element.
Detailed description of the invention
Fig. 1 illustrates the hand held power machine 100 being configured to angle grinding machine, and it has the locking system 140 according to an embodiment of the invention.But also point out, described hand held power machine 100 is only exemplarily configured to angle grinding machine and not as restriction of the present invention.Antithesis, it also can use in general manner in the hand held power machine, the particularly portable power tool that are equipped with or can be equipped with locking system 140 of the present invention.In the context of the present invention, " portable power tool " be interpreted as can by user without the electric tool that transports of Transport Machinery ground.At this, locking system 140 preferably can modular and/or removably such as by connector connect be integrated in arbitrary electric tool.
One is preferably arranged for driving the CD-ROM drive motor 120 of a driven structure assembly 130 in configuration is to the housing 110 of angle grinding machine 100.Preferred described CD-ROM drive motor 120 is configured to the motor of electronic commutation, but also can be any other motor.
Preferred described driven structure assembly 130 has driven shaft (210 in Fig. 2), and this driven shaft is used for driving plug-in type instrument 134, and described plug-in type instrument is such as configured to grinding disc.In order to be protected from such as grinding particle, to plug-in type instrument 134 preferred disposition one protective cover 132.
Exemplarily, CD-ROM drive motor 120 to be arranged in the motor section 114 of attaching troops to a unit of described housing 110 or described angle grinding machine 100 and described driven structure assembly 130 is arranged in the transmission device section 116 of housing or angle grinding machine.The first axial end portion 102 that transmission device section 116 is arranged in angle grinding machine 100 or housing 110 is exemplarily provided with auxiliary handle 118, and described auxiliary handle is preferably transverse to the principal spread direction 104 of angle grinding machine 100.Preferably construct a main handle 12 in the region of second axial end portion 101 axially opposed with described first axial end portion of angle grinding machine 100 or housing 110 at least section.In addition, the second axial end portion 101 is exemplarily arranged one for electrical network relatively at least to drive motors 120 cable 150 of powering.
But, also can arrange in described second axial end portion 101 Shangdi in general manner one for electrical network independently at least to drive motors 120 batteries of powering.Alternatively, also such as described hand held power machine 100 can manually be driven by crank.Hand held power machine 100 and particularly shown here angle grinding machine can additionally have driven shaft brake 214, such as eddy-current brake.
Fig. 2 illustrates the angle grinding machine 100 in Fig. 1, it has locking system 140, described locking system according to an embodiment be arranged for by can be rotated to support on Fig. 1 transmission device section 116 in and configuration to the driven shaft 210 of the driven structure assembly 130 of Fig. 1.This driven shaft 210 preferably can be driven the driving shaft 125 of rotation to be connected with one rotatable movement by the CD-ROM drive motor 120 in Fig. 1.
Driving shaft 125 preferably has bevel gear 127 on its end towards driven structure assembly 130, and described bevel gear is preferably connected according to the mode of angle gear 170 with the disk gear 220 of described driven structure assembly 130.In addition, driven structure assembly 130 has housing 200, and described housing is configured to two-piece housing 200,205 in this embodiment.
Driven shaft 210 be can be rotated to support in housing 200,205 by a bearing 201.Driven shaft 210 is arranged a centrifugal force coupling arrangement 160, a configuration can be made axially to move on described driving shaft 210 to the locking element 240 of locking system 140 by described centrifugal force coupling arrangement.In addition, locking system 140 comprises spring 250, and described spring to be supported in side on locking element 240 and to be supported on the many pars 260 be connected with driven shaft 210, such as three pars 261 at opposite side.
Preferably a lockable mechanism 270 is constructed without relative rotation, the form of this lockable mechanism preferably in locking plate 270 in housing 200,205.This lockable mechanism preferably can be connected with housing 200,205 with method in a straightforward manner or alternatively be molded over this on described housing 200,205 and/or with described housing and forms integratedly.
In locking element 240, preferable configuration one is for taking the guide rail 242 of kinetoplast (230 in Fig. 3,232).Alternatively ground, many pars 260, also can construct the section 212 of the shape of seamed edge more than on driven shaft 210, described locking element 240 without relative rotation and axially movably arrange on this section.
Fig. 3 illustrates locking system 140 in Fig. 2 and driven shaft 210.Locking system 140 comprises and being arranged in without relative rotation on driven shaft 210 and the locking element 240 that can move axially and take kinetoplast 230 such as in ball 232 form, described in take kinetoplast and be arranged between disk gear 220 and locking element 240.Described ball 232 can move in locking element 240 along guide rail 242.
Locking element 240 is pressed on disk gear 220 by spring 250, and wherein, described spring 250 is supported on the base of described many pars 260, particularly supports on the base of three pars 261 shown here.Alternatively, many pars 260 also can be configured to 4 seamed edges, 6 seamed edges, multiple tooth body or like this.On locking element 240, what have a tooth in exterior configuration one eats structure 241, and described tooth may be engaged in the card nose 271 of locking plate 270.Spring 250 can be configured to helical spring, elastomer, wavy spring, air spring or like this.
Figure 4 and 5 illustrate the driven structure assembly 130 of Fig. 2 respectively, and in this driven structure assembly, corresponding soil fertility stream changes according to the position of locking element 240.In the diagram, driven structure assembly 130 is illustrated by with lockup state.Ball 232 is in the first terminal position 244 of the guide rail 242 of locking element 240.By spring 250, locking element 240 is pressed by the direction towards disk gear 220, thus the toothing 241 of locking element 240 is engaged in the card nose 271 of locking plate 270.Stop the rotary motion of driven shaft 210 thus.
By the rotation of driving shaft 125 and the rotation be connected with described rotation by angle gear 170 of driven shaft 210, described ball 232 is brought in the second terminal location 248 by from described primary importance 244, described second terminal location is shown in Figure 5, wherein, described first terminal position 244 has relative to described second terminal location 248 depressed part 246 be in the guide rail 242 of locking element 240.By the movement of described ball 232, the spring force that described locking element 240 resists spring 250 moves towards the direction of bearing 201.At this, the axial distance 225 between disk gear 220 and locking element 240 increases, thus toothing 241 is sunk and thus the rotary motion of release driven shaft 210 towards the direction of bearing 201 from the card nose 271 of locking plate 270.At this, moving axially and the diameter of ball 232 and relevant with guide rail 242 along driven shaft 210.
Fig. 6 a with 7a shows the respective position relevant to the axial run location of ball 232 of the locking element 240 in Fig. 4 or 5 again in order to clearly represent further.In Fig. 6 b and 7b, be shown specifically respectively to Fig. 6 a and the 7a corresponding position of toothing 241 relative to card nose 271.
Fig. 8 illustrates the disk gear 220 according to an embodiment of Fig. 2.This disk gear also exemplarily has three for taking the groove 222 of ball 232 in kinetoplast 230, i.e. Fig. 3 or suitable roller or roller except the disk gear toothing in the toothing 241 of the bevel gear 127 for being engaged to Fig. 2 of routine, described in take kinetoplast 232 and be directed in described groove.Thus ensure that and take the reliable location of kinetoplast 230 relative to disk gear 220.
Preferably, the motion of ball 232 relative to disk gear in groove 222 is limited.Replace three each other respectively with 120 degree layouts and exemplarily according to groove 222 ground of the type structure of bag groove, described quantity also can change.This disk gear 220 such as can as sintered part manufacture and can simply and manufacture inexpensively.
Alternatively, the guide rail 242 in Fig. 2 of the locking element 240 of Fig. 2 also can be processed in disk gear 220.In this case, the groove 222 of bag groove shape can be configured in for keeping in the locking element 240 of described ball 232.
Fig. 9 illustrates the locking element 240 in Fig. 2, and it has the toothing 241 in Fig. 6.In addition, in locking element 240, exemplarily construct three guide rails 242 as described above, in described guide rail, have a ball 232 taken in kinetoplast 230, particularly Fig. 3 can be guided to the second terminal location 248 by from first terminal position 244 respectively.At this, construct a depressed part 246 in each guide rail 242, the ball 232 of attaching troops to a unit to be fallen when the driven shaft 210 of Fig. 2 rotates and simultaneously the driving shaft 125 of Fig. 2 is static in described depressed part and thus driven shaft 210 described in locking.Guide rail 242 preferably constructs according to the main direction of rotation of attaching troops to a unit of the angle grinding machine 100 of Fig. 1 at this.
Rotate if driving shaft 125 is driven by the CD-ROM drive motor 120 of Fig. 1 and 2, then the consequent rotary motion of this driving shaft fully, is not namely delivered on driven shaft 210 by the bevel gear 127 of the angle gear 170 of Fig. 1 and disk gear 220 with not being prevented from.But if such as first carry out the rotary motion of driven shaft 210 when the locking nut that gets loose is to change plug-in type instrument 134, then the rotary motion of driven shaft 210 is prevented from.In order to ensure this function, be then connected the connection element of centrifugal force coupling arrangement 160 form between driving shaft 125 with driven shaft 210.
Depending on driving situation, rotary motion is passed to driven shaft 210 or this driven shaft of locking by centrifugal force coupling arrangement 160., a part for this centrifugal force coupling arrangement 160, to be namely connected with driven shaft 210 locking element 240 positive for this reason, but or can to move axially on many pars 260 on this driven shaft 210.In addition, need locking element 240 to be moved the reset force got back in initial position, in described initial position, described driven shaft 210 is by locking.This is realized by spring 250.
Alternatively, the guide rail 242 in Fig. 2 of the locking element 240 of Fig. 2 also can be processed in disk gear 220.In this case, the groove 222 of bag groove shape can be configured in locking element 240 for keeping described ball 232.
In order to driven shaft 210 by locking or locked after rotary motion can be passed to driven shaft 210 from driving shaft 125 again, locking element 240 must move out from locked initial position.For this reason, the ball 232 in guide rail 242 is driven when hand held power machine 100 starts, thus locking element 240 is moved axially in the second axial run location, namely off-position.At this, described ball 232 is preferably made of steel, need not change in the life cycle of angle grinding machine 100.By the groove 222 in the disk gear 220 in Fig. 2 and the guide rail 242 for described ball 232, centrifugal force coupling arrangement 160 can flattened construct, thus makes it only need little additional structure space or do not need the structure space that adds.
According to an embodiment, locking system 140 modular and particularly removably forming.Modular locking system for multiple angles mill deformation scheme is also fine.Thus, finally can construct a kind of modular system for angle grinding machine, its such as comprise traditional locking with driven shaft 210 standard driven structure assembly 130, have by driven shaft brake 214 realize additional brake function driven structure assembly 130, there is the driven structure assembly 130 of locking system 140 of the present invention or there is the driven structure assembly 130 of locking system 140 of the present invention and driven shaft brake 214.But also point out, this driven shaft brake, particularly magnetic field brake unit and especially eddy-current brake are generally known to those skilled in the art, therefore in this application in order to allow description simple and brief for the purpose of be not described in detail.
Claims (16)
1. a hand held power machine (100), it has housing (200,205), arrange a driving shaft (125) that can be driven by CD-ROM drive motor (120) and a driven shaft (210) that can be driven by this driving shaft (125) in described housing at least section, wherein, a locking system (140) is configured to described driven shaft (210), described locking system is configured to the rotary motion at least indirectly preventing described driven shaft (210) in the inactive state of described driving shaft (125) when applying torque to described driven shaft (210), it is characterized in that, described locking system (140) has at least one locking element (240) that can move axially relative to described driven shaft (210), described locking element is configured to the rotary motion of driven shaft (210) described in locking in the not driven situation of described driving shaft (125) in the first axial run location and in the second axial run location, allows the rotary motion of described driven shaft (210) in described driving shaft (125) driven situation, wherein, described locking system (140) is configured to cause the described locking element (240) that can move axially to be transitioned into the second axial run location from the first axial run location when described driving shaft (125) drives.
2. hand held power machine according to claim 1, it is characterized in that, one configuration is arranged in described housing (200 without relative rotation to the lockable mechanism of described locking system (140) (270), 205) in, wherein, the described locking element (240) moved axially to be configured in described first axial run location that structure form is sealed between described driven shaft (210) with described lockable mechanism (270) is connected.
3. hand held power machine according to claim 2, it is characterized in that, described move axially locking element (240) according to the lock plate (240) be arranged in without relative rotation on described driven shaft (210) type form and/or described lockable mechanism (270) form according to the type of locking plate (270).
4. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described locking system (140) has centrifugal force coupling arrangement (160), wherein, described locking element (140) can be moved axially by described centrifugal force coupling arrangement (160).
5. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described locking system (140) has spring (250) to be spring-loaded in described first axial run location by described locking element (240).
6. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described driven shaft (210) is configured with many prism shapes section (212) at least section, wherein, described locking element (240) is antitorque is rotatably arranged on described many prism shapes section (212) in axially movable mode.
7. according to the hand held power machine one of claim 1 to 5 Suo Shu, it is characterized in that, par more than one (260), particularly one or three pars (261) are connected with described driving shaft (210) positive and/or force closure ground, wherein, described locking element (240) is antitorque is rotatably arranged on described many pars (260) in axially movable mode.
8. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described driving shaft (125) and described driven shaft (210) are each other with predetermined angle (α), particularly arrange mutual vertically, wherein, one bevel gear-disk gear-pairing (127,220) is set with transmitting torque between driving shaft (125) and driven shaft (210).
9. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described driven shaft (210) has a disk gear (220), wherein, described disk gear (220) has at least one groove (222) and takes kinetoplast (230) to receive.
10. hand held power machine according to claim 9, it is characterized in that, structure one is for taking kinetoplast (230), guide rail (242) especially for ball (232) or roller in the described locking element (240), wherein, take kinetoplast (230) described in the axial distance (225) between disk gear (220) and locking element (240) can pass through and put change in the respective run bits that described guide rail (242) is inner.
11. hand held power machines according to claim 10, it is characterized in that, described guide rail (242) particularly has depressed part (246) at first terminal position (244) place, wherein, take kinetoplast (230) described in be arranged in described depressed part (246) when applying torque to described driven shaft (210) in the inactive state of described driving shaft (125) and/or in the inactive state of described driving shaft (125).
12. hand held power machines according to claim 11, it is characterized in that, described in take kinetoplast (230) in the first axial run location of described locking element (240), be positioned at the first terminal position (244) of described guide rail (242) upper and be positioned in the second axial run location of described locking element (240) on second terminal location (246) opposed with described first terminal position (244) of described guide rail (242).
The hand held power machine that one of 13. according to Claim 8 to 12 are described, it is characterized in that, structure one is for taking kinetoplast (230), guide rail (224) especially for ball (232) or roller in the described disk gear (220), wherein, take kinetoplast (230) described in the axial distance (225) between disk gear (220) and locking element (240) can pass through and put change in the respective run bits that described guide rail (224) is inner.
14., according to the hand held power machine one of the claims Suo Shu, is characterized in that, arrange a driven shaft brake (214), particularly magnetic field brake unit, particularly preferably eddy-current brake for described driven shaft (210).
15. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, this hand held power machine has one to be configured in angle gear (170) between driving shaft (125) and driven shaft (210) according to the type structure of angle grinding machine.
16. hand held power machines according to claim 15, it is characterized in that, described driven shaft (210) and described locking system (140) configuration are to a modular driven structure assembly (130), and described driven structure assembly can removably be connected with described hand held power machine (100).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014216441.9 | 2014-08-19 | ||
| DE102014216441.9A DE102014216441A1 (en) | 2014-08-19 | 2014-08-19 | Hand tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105364788A true CN105364788A (en) | 2016-03-02 |
| CN105364788B CN105364788B (en) | 2020-04-21 |
Family
ID=55273786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510508245.XA Active CN105364788B (en) | 2014-08-19 | 2015-08-18 | Hand-held power tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105364788B (en) |
| DE (1) | DE102014216441A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843486A (en) * | 2016-10-18 | 2019-06-04 | 罗伯特·博世有限公司 | Fast fixture for hand tool, especially angle grinder at least one driven shaft being rotatably driven |
| CN114206533A (en) * | 2019-06-11 | 2022-03-18 | 费斯托工具有限责任公司 | Tool apparatus and method |
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| EP0691180A2 (en) * | 1994-07-08 | 1996-01-10 | Metabowerke GmbH & Co. | Locking device for the spindle of handtools |
| CN1484570A (en) * | 2001-12-06 | 2004-03-24 | ���ء����߸� | Manual machine tool with spindle stop |
| JP2006255866A (en) * | 2005-03-18 | 2006-09-28 | Makita Corp | Working tool |
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2014
- 2014-08-19 DE DE102014216441.9A patent/DE102014216441A1/en active Pending
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2015
- 2015-08-18 CN CN201510508245.XA patent/CN105364788B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691180A2 (en) * | 1994-07-08 | 1996-01-10 | Metabowerke GmbH & Co. | Locking device for the spindle of handtools |
| CN1484570A (en) * | 2001-12-06 | 2004-03-24 | ���ء����߸� | Manual machine tool with spindle stop |
| JP2006255866A (en) * | 2005-03-18 | 2006-09-28 | Makita Corp | Working tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843486A (en) * | 2016-10-18 | 2019-06-04 | 罗伯特·博世有限公司 | Fast fixture for hand tool, especially angle grinder at least one driven shaft being rotatably driven |
| CN109843486B (en) * | 2016-10-18 | 2021-08-31 | 罗伯特·博世有限公司 | Quick-action clamping device for a portable power tool and portable power tool |
| US11890720B2 (en) | 2016-10-18 | 2024-02-06 | Robert Bosch Gmbh | Quick clamping device for a portable power tool having at least one rotatably drivable output shaft, in particular an angle grinder |
| CN114206533A (en) * | 2019-06-11 | 2022-03-18 | 费斯托工具有限责任公司 | Tool apparatus and method |
| CN114206533B (en) * | 2019-06-11 | 2024-03-08 | 费斯托工具有限责任公司 | Tool apparatus and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105364788B (en) | 2020-04-21 |
| DE102014216441A1 (en) | 2016-02-25 |
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