CN104057414A - Hand-held Machine Tool Provided With Machine Tool Accommodating Device Comprising Polygonal Inner Accommodating Device And Polygonal Outer Accommodating Device - Google Patents
Hand-held Machine Tool Provided With Machine Tool Accommodating Device Comprising Polygonal Inner Accommodating Device And Polygonal Outer Accommodating Device Download PDFInfo
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- CN104057414A CN104057414A CN201410099917.1A CN201410099917A CN104057414A CN 104057414 A CN104057414 A CN 104057414A CN 201410099917 A CN201410099917 A CN 201410099917A CN 104057414 A CN104057414 A CN 104057414A
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- storing apparatus
- polygon
- fixture
- hand held
- power machine
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- 238000003780 insertion Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 31
- 230000004323 axial length Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 abstract 3
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/107—Retention by laterally-acting detents, e.g. pins, screws, wedges; Retention by loose elements, e.g. balls
- B23B31/1071—Retention by balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2265/00—Details of general geometric configurations
- B23B2265/32—Polygonal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Percussive Tools And Related Accessories (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention relates to a hand-held machine tool provided with a driven shaft (124). A tool accommodating device (150) provided with a polygonal inner accommodating device (290) and a polygonal outer accommodating device (210) are arranged on the driven shaft. The tool accommodating device is provided with at least one penetrating opening (325). A locking member (360) penetrates the penetrating opening in a matched locking position to fit into the polygonal inner accommodating device (290) so that a plug-in tool (410) arranged in the polygonal inner accommodating device (290) is locked. In order to fix the locking member (360) into the at least one penetrating opening (325), at least one fixing piece (350) capable of having a at least locally elastic deformation is provided, the fixing piece cannot move in an axial direction and is arranged on the polygonal outer accommodating device (210) without a relative rotation.
Description
Technical field
The present invention relates to have the hand held power machine of driven shaft, the tool Holder that is provided with the interior storing apparatus of polygon and the outer storing apparatus of polygon is arranged on described driven shaft, described tool Holder has at least one and runs through opening, runs through opening and be coupled in described polygon in storing apparatus to will be arranged on the insertion tool locking in storing apparatus in described polygon described in locking element passes in a lock position of attaching troops to a unit.
Background technology
There is the known a kind of such hand held power machine that is configured to rotary impact driver of document WO2011/104105A1, it has tool Holder, tool Holder comprise 28mm long for example for hold storing apparatus in the polygon of screwdriver head and 11.55mm long for example for the outer storing apparatus of polygon of receiving sleeve spanner.The centre of storing apparatus in the large polygon about passing vertically storing apparatus outside polygon, that is to say that from the polygon free end of storing apparatus starts with being interval with and running through opening of 14mm, the locking element of attaching troops to a unit can run through opening by this and be coupled in polygon in storing apparatus in a corresponding lock position.
For this hand held power machine disadvantageously, for example according to Europe or North America industrial standard manufacture and sleeve outside polygon the box spanner on storing apparatus because the shorter length of storing apparatus outside the polygon of 11.55mm only can be become flexible and rock when hand held power machine moves.Thus box spanner can by the outer storing apparatus of polygon get loose and therefore cannot be reliable use together with this hand held power machine.
Summary of the invention
Therefore task of the present invention is, a kind of new hand held power machine is provided, it has tool Holder, this tool Holder comprises storing apparatus and the outer storing apparatus of polygon in polygon, according to Europe or North America industrial standard manufacture and be inserted into box spanner on the outer storing apparatus of polygon can locking ground and reliable on this tool Holder, move.
This problem solves by having the hand held power machine of driven shaft, the tool Holder that is provided with the interior storing apparatus of polygon and the outer storing apparatus of polygon is arranged on described driven shaft, described tool Holder has at least one and runs through opening, runs through opening and be coupled in described polygon in storing apparatus to will be arranged on the insertion tool locking in storing apparatus in described polygon described in locking element passes in a lock position of attaching troops to a unit.For described locking element is fixed on described at least one run through in opening, be provided with at least one fixture of strain at least partly, described fixture is axially not movable and be arranged on without relative rotation on the outer storing apparatus of described polygon.
Therefore the present invention has realized a kind of hand held power machine is provided, in its tool Holder, by locking element is fixed on to the prolongation that can realize the outer storing apparatus of polygon in the region of the outer storing apparatus of polygon by means of the fixture of elastically deformable, thereby the box spanner of for example manufacturing according to Europe or North America industrial standard also can be safely and is connected with the outer storing apparatus of polygon reliably and can be driven.
Preferably, described at least one type structure that the fixture of strain encircles according to the C shape of elastically deformable at least partly.
Can provide thus robust and cost favourable fixture.
Described at least one at least partly the fixture of strain preferably there is at least one vacancy, described locking element is coupled at least partly in described vacancy in described lock position of attaching troops to a unit and in a unlocked position of attaching troops to a unit.
Can not only in lock position but also in unlocked position, realize thus the safe and reliable fixing of locking element.
Preferably, in described at least one lock position that the fixture of strain is attached troops to a unit described in being configured under no-load condition, described locking element to be loaded at least partly.
Can realize described locking element is loaded in the lock position of attaching troops to a unit by simple mode and method thus.
According to a form of implementation, be provided with a locking member, it is configured to realize described at least one locking of the fixture of strain at least partly under no load condition.
The present invention realizes thus provides a kind of hand held power machine, wherein can be particularly in the polygon of in service effective prevention tool Holder of hand held power machine being not intended to and release out of control of storing apparatus.
Preferably, described locking member configures to an actuation member, and described actuation member is in order to discharge described at least one elastic force that the fixture of strain is applied by the spring part of attaching troops to a unit by means of described locking member opposing at least partly along referring to move to unlocked position from lock position from the axial direction of described hand held power machine.
Can realize thus use close friend and comfortable the controlling so that by storing apparatus release in the polygon of tool Holder of locking member.
Preferably, described locking element is according to the type structure of locking ball.
Can provide simple and inexpensive locking element thus.
Preferably, described locking ball has diameter more than 3.2mm.
The locking element of stable and robust can be provided thus.
According to a form of implementation, free end that is formed in described tool Holder and described at least one run through the scope that axial length between the open centre point of opening is positioned at 11mm to 13mm.
The present invention has realized thus provides a kind of hand held power machine, and the insertion tool of manufacturing according to different international standards can be safely and locking and operation on the tool Holder of described hand held power machine reliably.Particularly for example can be safely according to the box spanner of Europe or North America industrial standard manufacture and utilize reliably the outer storing apparatus of polygon to drive and can be safely and utilize reliably storing apparatus in polygon to drive according to the insertion tool of Nippon Standard manufacture.
Preferably, in described polygon, storing apparatus has at least axial length of 26.5mm.
In polygon, in storing apparatus, also can hold the insertion tool with long handle thus.
Preferably, the outer storing apparatus of described polygon has at least 15mm and the preferred axial length at least about 16mm.
The insertion tool that can be connected with the outer storing apparatus of polygon thus arbitrarily, can be when hand held power machine moves non-loosening and without impact driven on tool Holder.
The problem that beginning is carried herein also can solve by a kind of tool Holder, it has storing apparatus and the outer storing apparatus of polygon in polygon, wherein, be provided with at least one and run through opening, described in locking element passes in a lock position of attaching troops to a unit, run through opening and be coupled in described polygon in storing apparatus to make to be arranged on the insertion tool locking in storing apparatus in described polygon.For described locking element is fixed on described at least one run through in opening, be provided with at least one fixture of strain at least partly, described fixture is axially not movable and be arranged on without relative rotation on the outer storing apparatus of described polygon.
Accompanying drawing explanation
Embodiment shown in reference to the accompanying drawings further illustrates the present invention in the following description.Accompanying drawing illustrates:
Fig. 1: the schematic diagram according to a form of implementation with the hand held power machine of insertion tool;
Fig. 2: there is the tool Holder of driven shaft and Fig. 1 and be provided with according to the perspective view of the assembly of the locking system of the fixture of the first form of implementation;
The exploded view of the assembly of Fig. 3: Fig. 2;
The sectional view of the assembly of Fig. 4: Fig. 2 is provided with an exemplary insertion tool in this assembly;
Fig. 5: there is driven shaft and tool Holder and be provided with according to the perspective view of the assembly of the locking unit of the fixture of the second form of implementation;
Fig. 6: having according to the exploded view of the assembly of the fixture of the second form of implementation in Fig. 5;
Fig. 7: according to the perspective view of the fixture of the 3rd form of implementation;
Fig. 8: according to the perspective view of the fixture of the 4th form of implementation;
Fig. 9: the sectional view of the assembly in Fig. 5 is provided with an exemplary insertion tool in this assembly.
The specific embodiment
Fig. 1 illustrates a hand held power machine 100 that is provided with tool Holder 150, and it has the housing 110 that comprises handle 126.According to a form of implementation, hand held power machine 100 can not be connected with batteries 130 with electric means by machinery in order to rely on mains supply.
Hand held power machine 100 is exemplarily configured to rechargeable rotary impact driver.Yet should be noted that, the present invention is not limited to rechargeable rotary impact driver, but can in different electric tools, apply, such as application in driver, drill/driver machine, percussive drill etc., and whether can not rely on electrical network and drive or depend on electrical network and drive by batteries irrelevant with electric tool.In addition be noted that the present invention is not limited to the hand held power machine that motor drives, but can in the instrument of application tool storing apparatus 150, use in general manner.
In housing 100, be provided with electric drive motor 114, transmission device 118 and the selectable beater mechanism 122 of by batteries 130, being powered.The motor that described electric drive motor 114 for example can be controlled, namely can be connected and can turn-off and can be any type by hand switch 128, for example electronic commutation motor or d.c. motor.Preferably, described CD-ROM drive motor 114 can be made not only can realize inverted running by so Electronic Control or adjusting (or without FEEDBACK CONTROL or FEEDBACK CONTROL), and can realize predetermined about the rotating speed aspect of expectation.The functional mode of applicable CD-ROM drive motor and structure are fully known by prior art, thereby are not described in detail for describing succinct object.
CD-ROM drive motor 114 is connected with transmission device 118 via the motor drive shaft 116 of attaching troops to a unit, and transmission device is converted to the driving element 120 being arranged between transmission device 118 and optional beater mechanism 122, the rotation of for example driving shaft by the rotation of motor drive shaft 116.This is changed preferably and so realizes, the rotating speed rotation that driving element 120 still reduces with the moment of torsion increasing with respect to motor drive shaft 116.Be arranged in motor shell 115 to CD-ROM drive motor 114 illustrative and transmission device 118 is arranged in gear mechanism housing 119, wherein gear mechanism housing 119 and motor shell 115 are exemplarily arranged in described housing 110.
Optionally, the beater mechanism 122 that is connected with driving element 120 is exemplarily rotation or revolution beater mechanism, it is rotary pulsed and by described rotary pulsed being delivered on driven shaft 124, for example slave spindle that its generation has high-intensity impact type.On driven shaft 124, be provided with tool Holder 150, it is preferably configured to hold insertion tool and not only can be connected with the insertion tool 140 with outer polygon male part 142 but also can be connected with insertion tool, for example box spanner with inner polygon male part according to a form of implementation.Insertion tool 140 is exemplarily configured to have illustrative and is configured to the screwdriver head of the outer polygon male part 142 of hexagon male part, and described male part is arranged in the interior storing apparatus (290 in Fig. 2) being applicable to of tool Holder 150.Such screwdriver head is enough known by prior art, thereby is not described in detail for describing succinct object.
Yet be noted that interior storing apparatus (290 in Fig. 2) can be configured to not only for holding screwdriver head 140, and can or to this alternatively for holding so-called HEX drill bit.Applicable HEX drill bit is the insertion tool with handle, and described handle comprises at least partly hexagonal cross section and is provided with cannelure.In addition, interior storing apparatus (290 in Fig. 2) also can or alternatively be configured to hold so-called SDS-flash mini type drilling tool to this.For this reason, applicable SDS-flash mini type drilling tool is such drilling tool, and it has columniform handle substantially, described handle have two longitudinal axis that are parallel to this handle outstanding rotarily drive brace, described in rotarily drive brace and there is respectively locking vacancy.In addition or to this, alternatively also can be configured to hold the insertion tool of other types yet be noted that interior storing apparatus (290 in Fig. 2), for example, for holding SDS-Plus insertion tool.Exemplary insertion tool is enough known for those skilled in that art, for example, by document DE202007010699U1, its disclosure is brought in this description clearly, thereby can be not described in detail for describing succinct object at this.
Fig. 2 illustrates an assembly 200, it comprises the driven shaft that is provided with tool Holder 150 124 in Fig. 1, and the close end region 202 that is provided with at least one and illustrative and is provided with two driven projections 208 of driven shaft is connected with the optional beater mechanism 122 of hand held power machine 100 in Fig. 1.According to a form of implementation, in the distal portion region of driven shaft 124 or on free end 204, be provided with axial expansion portion 135.The choosing of this axial expansion quality award from the ministry be formed on driven shaft 124 and preferably and this driven shaft single type form.
According to a form of implementation, the direction of driven shaft 124 from described driven projection 208 beginnings towards free end 204 is until the first annular shoulder 215 has the First section 214 of a pref. cylindrical, and described First section has the first diameter D1.On the second annular shoulder 299, driven shaft 124 is transitioned in the outer storing apparatus 210 of configuration to tool Holder 150.Outer storing apparatus 210 and interior storing apparatus at least in axial direction running through partly 290 form tool Holders 150 and in the region of the second annular shoulder 299, be formed into illustrative on driven shaft 124 and preferably and this driven shaft single type form.Give described interior storing apparatus 290 configurations a locking system 240.
Outer storing apparatus 210 is exemplarily the outer storing apparatus of polygon, the outer storing apparatus of preferred quadrangle, it is radially looked illustrative and has four preferred flat sides 261,262,263,264 and be at least configured to hold the insertion tool with inner polygon male part according to Europe or North America industrial standard manufacture, for example box spanner according to a form of implementation.261,262,263,264 illustrative ground, described side interconnect via the seamed edge of chamfered edge.
Towards the direction of the free end 204 of driven shaft 124, outer storing apparatus 210 is transitioned in axial expansion portion 235.This axial expansion portion exemplarily has end flange 232, the diameter of described end flange can be so predetermined, make this diameter be less than the interval between two opposed sides of outer storing apparatus 210, for example interval between side 261 and 263 or 262 and 264.In the region of axial expansion portion 235, fix the holding element 230 of a preferred elastically deformable.This holding element is for being fixed on outer storing apparatus 210 according to the insertion tool with inner polygon male part, for example box spanner of Europe or North America industrial standard manufacture.Holding element 230 illustrative ground have a fixture 238, the turn that described fixture preferable configuration is elastically deformable.
Interior storing apparatus 290 exemplarily according to the type structure of storing apparatus in polygon in the inside of driven shaft 124 and at least holding the screwdriver head 140 of Fig. 1.Illustrative ground, interior storing apparatus 290 has the interior profile 295 of hexagon and preferably has at least axial length of 26.5mm.Give the screwdriver head 140 of interior storing apparatus 290 at least one locking unit 300 of configuration for locking Fig. 1, this locking unit is described below in Fig. 3 and 4.This locking unit configures to locking system 240 and is arranged in the region of a holding tank 217 that is located at illustrative on outer storing apparatus 210 ground annular according to a form of implementation.
According to a form of implementation, locking system 240 has actuation member 260, give this actuation member configuration a locking piece 270 that is provided with interior annular shoulder 275, described locking member is configured to locking unit 300 to be locked in a lock position of attaching troops to a unit by inner annular shoulder 275.Actuation member 260 illustrative ground have a handle sleeve 278 that is provided with external knob region 268, and described handle sleeve preferably has elastomer and for example rubber, consists of and be fixed on locking piece 270.The locking piece 270 that preferably annular forms can be moved to from lock position towards the direction of described free end 204 unlocked position and is locked in the locking unit 300 in its lock position to discharge by actuation member 260.
Fig. 3 shows the assembly 200 of Fig. 2, for illustrating an exemplary design of locking system 240 and driven shaft 124.This driven shaft is transitioned in the second cylindrical portion section 216 with Second bobbin diameter D2 at the first annular shoulder 215 places, and this Second bobbin diameter is less than the first diameter D1 of columniform First section 214.In the region of the second cylindrical portion section 216, on driven shaft 124, be provided with cannelure 218, described driven shaft again attenuates at the second annular shoulder 299 places and is transitioned into like that as described in Figure 2 in outer storing apparatus 210, on this outer storing apparatus, constructs cannelure 217.The axial expansion portion 235 that is exemplarily provided with equally cannelure 231 adjoins with described outer storing apparatus 210.
According to a form of implementation, in the region of cannelure 217, form at least one and preferably two run through the locking element 360 of opening 325 for holding to attach troops to a unit, described locking element configures to locking unit 300.Described locking element 360 is preferably according to the type structure of locking ball and preferably have that 3.2mm is above, the diameter of 4mm at least particularly.For locking element 360 is fixed on and is run through in opening 325, be preferably provided with at least one fixture 350 of strain at least partly.
Fixture 350 is preferably according to elastically deformable and can be clamped to the type constitution of the C shape ring on driven shaft 124 and have at least one and preferred two mutual opposed vacancies 352 in the end opposite of diameter, and locking element 360 is not only coupled at least partly in described vacancy in the lock position of attaching troops to a unit of locking unit 300 but also in the unlocked position of attaching troops to a unit.At this fixture 350, be preferably configured under no load condition, described locking element 360 is loaded in the lock position of attaching troops to a unit.In addition, fixture 350 has annular flange flange 350.
According to the first form of implementation, fixture 350 can be locked in the lock position of attaching troops to a unit by the locking piece 270 to the actuation member 260 of locking system 240 by configuration.Locking piece 270 is remained on driven shaft 124 to annular at least partly locking system 240, preferred and the about L shaped keeper 380 of cross section by a same configuration, this keeper has at least one and preferred two extensions 382 radially, described extension be provided with respectively with respect to keeper 380, tangentially implement run through opening 384.
In a kind of exemplary assembling of assembly 200, first annular keeper 380 is shifted onto in the second cylindrical portion section 216 of driven shaft 124 until come on the first annular shoulder 215.In the inside of keeper 380, in the second cylindrical portion section 216, be provided with spring part 242, preferred pressure spring subsequently.This compression spring by by safety collar 246, preferably C shape ring is fixed in the cannelure 218 being arranged in the second cylindrical portion section 216 so with respect to keeper 380 pretensions, and this keeper is loaded by the direction elasticity in the close end region 202 towards driven shaft 124.
In next step, locking element 360 is arranged on and is fixed on this driven shaft running through in opening 325 and by fixture 350 is shifted onto or is clamped on driven shaft 124 of driven shaft 124.In these fixture 350 preferred axes to not movable and be arranged on without relative rotation on outer storing apparatus 210.
So locking piece 270 is shifted onto on keeper 380 subsequently, make its inner annular shoulder 275 radially abut in the annular flange flange 354 of fixture 350 and its radial expansion portion 382 is coupled to accordingly radially in dead slot 375 of locking piece 270, wherein at each, radially in the region of dead slot 375, be respectively equipped with two mutual opposed, tangential holes 374,376.In another step, by the fixing described locking piece 270 of horizontal or tangential pin 370, this laterally or tangential pin be pushed into respectively in hole 374,384 and 376.Horizontal or tangential pin fixing by the handle sleeve 278 that is provided with outer grip area 268 being shifted onto on locking piece 270 in hole 374,384 and 376 realized subsequently.At this, handle sleeve 278 is at least fixed in the outer annular groove 379 of locking piece 270 by an inner annular shoulder 369 arranging thereon.Handle sleeve 278, locking piece 270, laterally or tangential pin 370 and keeper 380 configurations to actuation member 260.
Be noted that laterally or tangential pin 370 can be arranged in hole 374,384 and 376 loosely because these laterally or tangential pin by handle sleeve 278, be fixed on locking piece 270 and keeper 380.Yet to this replacement or additionally, laterally or tangential pin 370 also can be pressed into, be screwed into or be riveted in described hole 374,384 and 376 and/or bonding, be welded on locking piece 270 and/or keeper 380.
Finally holding element 230 is fixed in the cannelure 231 of axial expansion portion 235.At this, first configuration is arranged in cannelure 231 to O shape ring 234 holding element 230, that preferably have rubber, subsequently retaining element 238 is arranged on the excircle of cannelure.
Fig. 4 shows Fig. 2 or the assembly in Fig. 3 200 after assembling, comprises and is provided with the driven shaft 124 of tool Holder 150 and locking system 240 and comprises boring insertion tool 410 exemplary, that manufacture according to Japanese Industrial Standards.These boring insertion tool 410 illustrative ground have bore portion section 412 cup-shaped, that be provided with sawtooth 418 and pin-shaped lock part section or locking handle 414, and described lock part section or locking handle are provided with the polygonal profile that is configured to rotarily drive and have the groove 416 of at least part of annular.The locking element 360 of the locking unit 300 of locking system 240 is coupled in groove 416, for locking handle 414 being locked to interior storing apparatus 290.
Locking element 360 is radially inwardly loaded in the lock position of attaching troops to a unit by running through opening 325 by fixture 350, and wherein fixture 350 is preferably in no load condition and be locked in by locking piece 270 under this state in the lock position of actuation member 260 of locking system 240.Actuation member 260 is for the elastic force that discharges fixture 350 and applied by spring part 242 by means of locking piece 270 opposing is referring on the axial direction of hand held power machine (100 in Fig. 1), namely the direction towards free end 204 moves to unlocked position from lock position.After such release, boring insertion tool 410 can be pulled out from interior storing apparatus 290, and wherein locking element 360 is radially outward pressed in the opening 352 of fixture 350 and this fixture can the outwards distortion of resilient radial ground.
At the free end 204 of tool Holder 150 or driven shaft 124 and run through between the open centre point 499 of opening 325 preferable configuration and have in the scope at 11mm to 13mm, the preferred axial length 415 of 12mm.At open centre point 499 and be locked between the bore portion section 412 of the boring insertion tool 410 in interior storing apparatus 290 preferable configuration and have in the scope at 13mm to 15mm, the preferred axial length 425 of 14mm.Outer storing apparatus 210 preferably has at least 15mm and the preferred axial length 488 at least about 16mm.
Fig. 5 shows assembly 500, it comprises the driven shaft 524 that is provided with tool Holder 550, and the close end region 502 that is provided with at least one and illustrative and is provided with two driven projections 508 of driven shaft can be connected with the selectable beater mechanism 122 of the hand held power machine 100 of Fig. 1 according to another form of implementation.In the proximal end region of driven shaft 524 or be provided with to illustrative the axial expansion portion 235 of Fig. 2 to 4 on free end 504, its this be exemplarily formed on driven shaft 524 and preferably and this driven shaft single type form.
According to a form of implementation, the direction of driven shaft 524 from described driven projection 508 beginnings towards described free end 504 is until the first annular shoulder 515 has the First section 514 of a pref. cylindrical, and this First section has the first diameter DI.This First section is transitioned in the second cylindrical portion section 516 at the first annular shoulder 515 places, and described the second cylindrical portion section has Second bobbin diameter DII, wherein DII<DI.The second cylindrical portion section 516 is transitioned in the outer storing apparatus 510 of a configuration to tool Holder 550 at the second annular shoulder 599 places.Together with the interior storing apparatus 590 that outer storing apparatus 510 at least runs through partly vertically with, form tool Holder 550.
Outer storing apparatus 510 preferably has at least 15mm and preferably at least about the axial length of 16mm and be exemplarily the outer storing apparatus of polygon, the preferred outer storing apparatus of quadrangle, it is radially looked illustrative and has four preferred flat sides 561,562,563,564.These illustrative ground, side interconnect via the seamed edge of chamfered edge.Towards the direction of the free end 504 of driven shaft 524, outer storing apparatus 510 is transitioned in axial expansion portion 235, and this axial expansion portion is provided with end flange 232.The holding element 230 of elastically deformable is fixed in the region of axial expansion portion 235, and described holding element has retaining element 238, the turn that described retaining element preferable configuration is elastically deformable.
Interior storing apparatus 590 exemplarily according to the type structure of storing apparatus in polygon in the inside of driven shaft 524 and at least for holding the screwdriver head 140 of Fig. 1.Illustrative ground, interior storing apparatus 590 has the interior profile 595 of hexagon and preferably has at least axial length of 26.5mm.Attach troops to a unit at least one locking unit 600 for the screwdriver head 140 of locking Fig. 1 to interior storing apparatus 590, this locking unit is described below in Fig. 6 and 9.This locking unit is arranged in a region that is located at holding tank 517 on outer storing apparatus 510, illustrative ground annular according to a form of implementation.
Fig. 6 shows the assembly 500 of Fig. 5, for illustrating an exemplary design of locking unit 600 and driven shaft 524.This driven shaft in the region of cannelure 517, have at least one and preferably two run through the locking element 660 of opening 625 for holding to attach troops to a unit, described locking element configures to locking unit 600.Locking element 660 is preferably according to the type structure of locking ball and preferably have diameter more than 3.2mm.For locking element 660 is fixed on and is run through in opening 625, be preferably provided with at least one fixture 650 of strain at least partly, it configures equally to locking unit 600.
Fixture 650 is preferably according to elastically deformable and can be clamped to the C shape ring structure on driven shaft 524, and it preferably has metal.This fixture preferably includes with the inner side 654 of cross section 654 in for example circular with the outside 656 of for example rectangle external cross section.Preferably, fixture 650 has at least one and preferred two vacancies 652, and locking element 660 is not only coupled at least partly in described vacancy in the lock position of attaching troops to a unit of locking unit 600 but also in the unlocked position of attaching troops to a unit.At this fixture 650, be preferably configured under no load condition, described locking element 660 is loaded in the lock position of attaching troops to a unit.
In a kind of exemplary assembling of assembly 500, locking element 660 is arranged on to running through in opening 625 of driven shaft 524 and by fixture 650 is promoted or be clamped on driven shaft 524 to be fixed on this driven shaft.In these fixture 650 preferred axes to not movable and be arranged on without relative rotation in the cannelure 517 on outer storing apparatus 510.Holding element 230 is fixed in the cannelure 231 of axial expansion portion 235 subsequently.At this, first the configuration in Fig. 3 is arranged in cannelure 231 to O shape ring 234 holding element 230, that preferably have rubber, subsequently fixture 238 is arranged on the excircle of cannelure.
Fig. 7 shows according to the fixture 750 of replacing form of implementation, and this fixture can replace fixture 650 in Fig. 6 and Fig. 5 and application together with locking unit 600 in 6.This fixture preferably have C shape roughly, encircle 780 and the outer covering piece 756 that for example formed by plastics in the metal with circular inner periphery 754.Illustrative ground, two in the end opposite of diameter the opposed opening 752 that runs through through encircling 780 and covering 756 in metal.In other respects, shape and function are corresponding to the fixture 650 in Fig. 6 and therefore no longer further elaboration.
Fig. 8 shows the fixture 850 of replacing form of implementation according to another, and this fixture can replace fixture 650 in Fig. 6 and Fig. 5 and application together with locking unit 600 in 6.This fixture preferably by one, has the inner periphery of circular and the metal C shape of excircle 584 or 856 ring forms, and exemplarily has two opposed openings 852 that run through in the end opposite of diameter.
Fig. 9 shows Fig. 5 or the assembly in Fig. 6 500 after assembling, comprises and is provided with the driven shaft 524 of tool Holder 550 and locking unit 600 and comprises the boring insertion tool 410 in the Fig. 4 exemplarily manufacturing according to Japanese Industrial Standards.This locking unit preferably in the preferred one hand of boring insertion tool 410 is pushed into interior storing apparatus 590 time by boring insertion tool automatic locking there and preferably boring insertion tool 410 is automatically being discharged when interior storing apparatus 590 one hands are pulled out to this boring insertion tool, the functional mode of locking unit 600 is corresponding to the functional mode of the locking unit 300 in Fig. 2 to 4, thereby can be not described in detail for describing succinct object at this.
Fig. 9 has illustrated a kind of form of implementation of the outer storing apparatus 510 that has illustrative and extend.This outer storing apparatus preferably has at least axial length 988 of 16mm.
Claims (12)
1. hand held power machine (100), it has driven shaft (124), the tool Holder (150) that is provided with the interior storing apparatus (290) of polygon and the outer storing apparatus (210) of polygon is arranged on described driven shaft, described tool Holder has at least one and runs through opening (325), described in locking element (360) passes in a lock position of attaching troops to a unit, running through opening is coupled in storing apparatus in described polygon (290) so that locking is arranged on the insertion tool (410) in storing apparatus in described polygon (290), it is characterized in that, described in described locking element (360) is fixed on, at least one runs through in opening (325), at least one fixture of strain (350) at least is partly set, described fixture is axially not movable and be arranged on without relative rotation on the outer storing apparatus (210) of described polygon.
2. hand held power machine according to claim 1, is characterized in that, described at least one type constitution that the fixture of strain (350) encircles according to the C shape of elastically deformable at least partly.
3. hand held power machine according to claim 2, it is characterized in that, described at least one at least partly the fixture of strain (350) there is at least one vacancy (352), described locking element (360) is coupled at least partly in described vacancy in described lock position of attaching troops to a unit and in a unlocked position of attaching troops to a unit.
4. according to the hand held power machine one of the claims Suo Shu, in described at least one lock position that the fixture of strain (350) is attached troops to a unit described in being configured under no load condition, described locking element (360) to be loaded at least partly.
5. hand held power machine according to claim 4, it is characterized in that, one locking member (270) is set, and described locking member is configured under described no load condition, to lock described at least one fixture of strain (350) at least partly.
6. hand held power machine according to claim 5, it is characterized in that, described locking member (270) is configured to an actuation member (260), described actuation member for discharge described at least one at least partly the fixture of strain (350) can utilize spring force that described locking member (270) opposing applies by the spring part of attaching troops to a unit (242) and referring to from lock position, to move to unlocked position on the axial direction of described hand held power machine (100).
7. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, described locking element (360) is according to the type structure of locking ball.
8. hand held power machine according to claim 7, is characterized in that, described locking ball has the diameter that is greater than 3.2mm.
9. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, be configured in described tool Holder (150) free end (204) and described at least one run through the scope that axial length (415) between the open centre point (499) of opening (325) is positioned at 11mm to 13mm.
10. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, in described polygon, storing apparatus (290) has at least axial length of 26.5mm.
11. according to the hand held power machine one of the claims Suo Shu, it is characterized in that, the outer storing apparatus (210) of described polygon has at least 15mm and the preferred axial length at least about 16mm.
12. tool Holders (150), it has storing apparatus (290) and the outer storing apparatus (210) of polygon in polygon, wherein, at least one is set and runs through opening (325), described in one locking element (360) passes in the lock position of attaching troops to a unit, running through opening is coupled in storing apparatus in described polygon (290) to will be arranged on insertion tool (410) locking in storing apparatus in described polygon (290), it is characterized in that, described in described locking element (360) is fixed on, at least one runs through in opening (325), at least one fixture of strain (350) at least is partly set, described fixture is axially not movable and be arranged on without relative rotation on the outer storing apparatus (210) of described polygon.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310204782 DE102013204782A1 (en) | 2013-03-19 | 2013-03-19 | Hand tool with a tool holder, which has a polygonal interior shot and a polygonal outdoor shot |
| DE102013204782.7 | 2013-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057414A true CN104057414A (en) | 2014-09-24 |
| CN104057414B CN104057414B (en) | 2018-11-30 |
Family
ID=51484628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410099917.1A Expired - Fee Related CN104057414B (en) | 2013-03-19 | 2014-03-18 | With the hand held power machine including the toolroom machine storing apparatus of storing apparatus outside storing apparatus in polygon and polygon |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104057414B (en) |
| DE (1) | DE102013204782A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111819034A (en) * | 2018-03-08 | 2020-10-23 | 罗伯特·博世有限公司 | hand-held power tool |
| CN115210044A (en) * | 2020-03-31 | 2022-10-18 | 喜利得股份公司 | Sleeve retaining device for power tool |
| TWI791702B (en) * | 2018-01-12 | 2023-02-11 | 德商達威力愛德威利有限兩合公司 | Torque tool |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016200979A1 (en) * | 2016-01-25 | 2017-07-27 | Robert Bosch Gmbh | Hand tool with a tool holder |
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| US4824298A (en) * | 1986-10-23 | 1989-04-25 | Hilti Aktiengesellschaft | Hand-held tool with detachable tool bit chuck |
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| CN2734405Y (en) * | 2004-10-08 | 2005-10-19 | 浙江三鸥机械股份有限公司 | Quick change joint |
| CN1703304A (en) * | 2002-06-10 | 2005-11-30 | 沃拉·沃克·赫尔曼·沃纳两合公司 | Chuck for receiving tools operated by rotating around the axis thereof |
| US7028589B1 (en) * | 2005-06-29 | 2006-04-18 | Ming-Ta Cheng | Resilient positioning assembly for an axle in a power tool |
| CN2787342Y (en) * | 2005-03-30 | 2006-06-14 | 杭州贝克机械有限公司 | Quick-changing type output axle housing |
| CN102762327A (en) * | 2010-02-25 | 2012-10-31 | 罗伯特·博世有限公司 | Handheld machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007010699U1 (en) | 2007-08-01 | 2007-10-04 | Robert Bosch Gmbh | Hand tool |
-
2013
- 2013-03-19 DE DE201310204782 patent/DE102013204782A1/en not_active Withdrawn
-
2014
- 2014-03-18 CN CN201410099917.1A patent/CN104057414B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824298A (en) * | 1986-10-23 | 1989-04-25 | Hilti Aktiengesellschaft | Hand-held tool with detachable tool bit chuck |
| CN1703304A (en) * | 2002-06-10 | 2005-11-30 | 沃拉·沃克·赫尔曼·沃纳两合公司 | Chuck for receiving tools operated by rotating around the axis thereof |
| US20040232631A1 (en) * | 2003-05-23 | 2004-11-25 | Tsai-Ching Chen | Chuck apparatus |
| CN2734405Y (en) * | 2004-10-08 | 2005-10-19 | 浙江三鸥机械股份有限公司 | Quick change joint |
| CN2787342Y (en) * | 2005-03-30 | 2006-06-14 | 杭州贝克机械有限公司 | Quick-changing type output axle housing |
| US7028589B1 (en) * | 2005-06-29 | 2006-04-18 | Ming-Ta Cheng | Resilient positioning assembly for an axle in a power tool |
| CN102762327A (en) * | 2010-02-25 | 2012-10-31 | 罗伯特·博世有限公司 | Handheld machine tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI791702B (en) * | 2018-01-12 | 2023-02-11 | 德商達威力愛德威利有限兩合公司 | Torque tool |
| CN111819034A (en) * | 2018-03-08 | 2020-10-23 | 罗伯特·博世有限公司 | hand-held power tool |
| CN115210044A (en) * | 2020-03-31 | 2022-10-18 | 喜利得股份公司 | Sleeve retaining device for power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104057414B (en) | 2018-11-30 |
| DE102013204782A1 (en) | 2014-09-25 |
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