CN205057974U - Hand -held power tool - Google Patents
Hand -held power tool Download PDFInfo
- Publication number
- CN205057974U CN205057974U CN201520382492.5U CN201520382492U CN205057974U CN 205057974 U CN205057974 U CN 205057974U CN 201520382492 U CN201520382492 U CN 201520382492U CN 205057974 U CN205057974 U CN 205057974U
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- acceptance division
- polygon
- held power
- axial end
- hand held
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- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000009527 percussion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- 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
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- 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
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
-
- 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
Abstract
The utility model relates to a hand -held power tool with driven shaft, this driven shaft have free axial tip, and the structure is equipped with the telescopic instrument acceptance division of locking on this free axial tip, and this instrument acceptance division has interior acceptance division of polygon and the outer acceptance division of polygon, wherein, and in order to set up plug -in type instrument locking in the polygon in the acceptance division, be equipped with at least one can by the locking sleeve towards the loaded locking member of orientation of acceptance division in the polygon, this locking member set up construct in in the through -hole on the instrument acceptance division, a serial communication port, the through -hole along the axial direction of instrument acceptance division has length, and this length structure is used for, can be except receiving at least, receive at least one stop pin outside at least one locking member, wherein, at least one stop pin structure is used for locking one and sets up plug -in type instrument on the outer acceptance division of polygon.
Description
Technical field
The utility model relates to a kind of hand held power machine, it has driven shaft, this driven shaft has free axial end portion, on this free axial end portion, structure is provided with the means accepts portion of locking bushing, this means accepts portion has acceptance division and the outer acceptance division of polygon in polygon, wherein, in order to the plug-in type instrument locking that will be arranged in polygon in acceptance division, be provided with the locking member that at least one can be loaded towards the direction of acceptance division in polygon by locking bushing, this locking member is arranged in the through hole be configured in means accepts portion.
Background technology
By the known a kind of such hand held power machine of prior art, it has driven shaft, and this driven shaft is configured with means accepts portion, and this means accepts portion has acceptance division and polygon acceptance division and locking bushing outward in polygon.In order to be locked by the first plug-in type instrument (this first plug-in type tool configuration is for being arranged on the outer acceptance division of polygon), means accepts portion has the first locking system; In order to be locked by the second plug-in type instrument (this second plug-in type tool configuration is for being arranged on acceptance division in polygon), means accepts portion has the second locking system.At this, these two locking systems to be arranged on independently of each other in the axially different section of driven shaft and to be therefore spaced from each other.
The shortcoming of prior art is, means accepts portion has structure space or the locational requirement of increase due to the mutual axially spaced-apart of described two locking systems.
Utility model content
Therefore task of the present utility model is, a kind of novel hand-held toolroom machine is provided, this novel hand-held toolroom machine has means accepts portion, this means accepts portion comprises acceptance division and the outer acceptance division of polygon in polygon, and this novel hand-held toolroom machine constructs compactly and has the structure space demand of reduction.
This problem is solved by a kind of hand held power machine, it has driven shaft, this driven shaft has free axial end portion, on this free axial end portion, structure is provided with the means accepts portion of locking bushing, this means accepts portion has acceptance division and the outer acceptance division of polygon in polygon, wherein, in order to the plug-in type instrument locking that will be arranged in polygon in acceptance division, be provided with at least one and can be locked the locking member that sleeve loads towards the direction of acceptance division in polygon, this locking member is arranged in the through hole be configured in means accepts portion.This through hole has length along the axial direction in means accepts portion, this length configuration is used for, can realize also receiving at least one stop pin except receiving at least one locking member, wherein, this at least one stop pin is configured to the plug-in type instrument locking that will be arranged on the outer acceptance division of polygon.
The utility model is therefore, it is possible to achieve and provide a kind of hand held power machine, and this hand held power machine has means accepts portion, and this means accepts portion is constructed compactly by the merging of corresponding locking system or combination and had the structure space demand of reduction.
Preferably, through hole, according to the type structure of elongated hole, can realize this at least one locking member and only partly be coupled in polygon in acceptance division by through hole.Therefore can reliably and effectively prevent means accepts portion because deeply or to be broadly coupled in polygon in acceptance division locked by unexpected at least one locking member.
Preferably, through hole so constructs, and this at least one stop pin can be positioned on the first axial end portion of this through hole, and this at least one locking member can be positioned on second axial end portion opposed with the first axial end portion of this through hole.Therefore can by simple mode and method realize locking member and stop pin in through-holes while arrange.
Preferably, driven shaft has the first section being provided with the first overall diameter on its free axial end portion, this first section forms the outer acceptance division of polygon at least section and transition is second section with larger second overall diameter, and wherein, through hole is arranged in the region of the first section.Therefore can by arranging the compactedness that the locking system of attaching troops to a unit mutually with acceptance division in polygon realizes this means accepts portion in the region of the outer acceptance division of polygon at least section.
According to a form of implementation, locking bushing forms two-piece type and has at least one keeper and operating parts.Therefore can provide a kind of locking bushing, this locking bushing has movable relative to each other component.
Preferably, keeper is arranged on the first section of driven shaft, and operating parts is arranged on the second section of driven shaft.Therefore can by arranging another compactedness that the locking system of attaching troops to a unit mutually with acceptance division in polygon realizes this means accepts portion in the region of the outer acceptance division of polygon at least section.
Preferably, keeper and operating parts form cup-shaped, and operating parts has flange form peripheral flange on its axial end portion towards keeper, the maximum interior diameter being equivalent to keeper of the overall diameter of this flange form peripheral flange.Therefore, it is possible to realize operating parts to be fixed on keeper by flange form peripheral flange with method in a straightforward manner.
Preferably, keeper forms inner space, and this internal space construction is that at least section ground receives described operating parts.Therefore can stablize and operating parts is received in keeper at least partly uncomplicatedly.
Preferably, flange form peripheral flange is locked in inner space by the clamping washer of annular.Therefore, operating parts and keeper can reliably and effectively be interconnected to form locking bushing.
Preferably, operating parts together with keeper against the spring force applied by first spring element of attaching troops to a unit along refer to from hand held power machine from axial direction can move to unlocked position from latched position.Therefore locking bushing can be made to be transferred to unlocked position from latched position by the common movement of operating parts and keeper with method in a straightforward manner.
Preferably, operating parts is at least moved in keeper when enabling at least one locking member take against the spring force applied by second spring element of attaching troops to a unit section.Therefore, can realize the one-handed performance in this means accepts portion in addition when being moved into by plug-in type instrument in polygon in acceptance division, wherein, operating parts is moved in keeper.
Preferably, operating parts has the first and second support section on its bottom surface, wherein, locking member at least supports by the first support section in the latched position of this locking member, and locking member at least supports by the second support section in the unlocked position of this locking member.Therefore this locking member can be supported by simple mode and method.
According to a form of implementation, keeper is axially loaded towards the direction of hand held power machine by first spring element of attaching troops to a unit, and operating parts by second spring element of attaching troops to a unit along refer to from hand held power machine from axial direction loading.Therefore can load by keeper and operating parts the configuration realizing the multiple possible running status of this locking bushing along contrary axial direction elasticity.
Preferably, operating parts and at least one locking member are axially loaded by the loading element of annular, and wherein, the loading element of described annular is loaded by the second spring element.Therefore the suitable locking of locking member in its latched position can be realized by providing with method in a straightforward manner this loading element.
Preferably, the outer acceptance division of polygon has receiving area, this receiving area be configured in driven shaft free axial end portion and be arranged on locking bushing in latched position towards described free axial end portion axial end portion between.Preferably, receiving area has following length, and this length is at least less than 12 millimeters and is preferably 8.9 millimeters.Therefore can provide the polygon with receiving area outer acceptance division by simple mode and method, to receive or to arrange plug-in type instrument (such as grafting spanner), wherein, receiving area has following length, and this length also can achieve the stable of plug-in type instrument and friction or without the setting of rocking.
According to a form of implementation, locking member opens a spacing with the free axis of driven shaft to end part interval in its latched position, and this spacing is preferably less than 17.2 millimeters, is preferably less than 14 millimeters and is particularly preferably 12 millimeters.Therefore can provide acceptance division in a kind of polygon, corresponding plug-in type instrument can reliably and to be effectively locked in this polygon in acceptance division.
In addition, this problem is solved by a kind of hand held power machine, this hand held power machine has driven shaft, this driven shaft has free axial end portion, on this free axial end portion, structure is provided with the means accepts portion of locking bushing, and this means accepts portion has acceptance division and the outer acceptance division of polygon in polygon.In order to the plug-in type instrument locking that will be arranged in polygon in acceptance division, be provided with the locking member that at least one can be loaded towards the direction of acceptance division in polygon by locking bushing, this locking member is arranged in the through hole be configured in means accepts portion.This polygon receives quality award from the ministry choosing outward and has receiving area, this receiving area be configured in driven shaft free axial end portion and be arranged on locking bushing in latched position towards described free axial end portion axial end portion between, wherein, receiving area has following length, and this length is at least less than 12 millimeters and is preferably 8.9 millimeters.
Accompanying drawing explanation
The utility model is set forth in the following description further according to the embodiment shown in accompanying drawing.Accompanying drawing illustrates:
Fig. 1: the schematic diagram with the hand held power machine in the means accepts portion according to form of implementation;
The perspective view of the local 200 of the hand held power machine of Fig. 2: Fig. 1;
The sectional view of the local 200 of Fig. 3: Fig. 2;
The sectional view in the means accepts portion of Fig. 4: Fig. 1;
Fig. 5: the sectional view in the means accepts portion of Fig. 1 in the polygon that plug-in type instrument is inserted into means accepts portion in acceptance division;
Fig. 6: have the plug-in type instrument of the Fig. 5 locked in acceptance division in polygon, the means accepts portion of Fig. 5;
Fig. 7: the means accepts portion of Fig. 5 and Fig. 6 in releasing process;
Fig. 8: when by plug-in type Tool Box to the outer acceptance division of polygon in means accepts portion Fig. 1 the sectional view in means accepts portion; And
Fig. 9: have the plug-in type instrument of the Fig. 8 locked in the outer acceptance division of polygon, the means accepts portion of Fig. 8.
Detailed description of the invention
Fig. 1 illustrates the hand held power machine 100 being provided with means accepts portion 150, and this hand held power machine has and is equipped with hand the tool housing 110 of 126 is exemplarily configured to battery-type rotary impact bottle opener device.
According to a form of implementation, hand held power machine 100 in order to independent of electrical network power and mechanically and electricity can be connected with batteries 130, for this reason alternatively but such as also can be driven by electrical network.But it should be noted that, the utility model is not limited to battery-type rotary impact bottle opener device, but or rather, generally can be applicable in following instrument: the means accepts portion 150 described in Fig. 2 to Fig. 9 can be adopted in these instruments, whether can drive and/or to drive with batteries independent of electrical network or driven by electrical network irrelevant by motor with this instrument.
Exemplarily be provided with in tool housing 110: CD-ROM drive motor 114, this CD-ROM drive motor is powered by batteries 130; Transmission device 118; Mechanical percussion mechanism 122; Wherein, CD-ROM drive motor 114 such as manually switch 128 can operate (that is, can connect and can turn off) and can be arbitrary motor type (such as electronic commutation motor or d.c. motor).CD-ROM drive motor 114 passes through attached troops to a unit motor drive shaft 116 and is connected with transmission device 118, and the rotation of motor drive shaft 116 is converted to the rotation of the driving element 120 (such as driving shaft) set between transmission device 118 and beater mechanism 122 by this transmission device.Transmission device 118 is explanatory to be arranged in gear mechanism housing 119, CD-ROM drive motor 114 is arranged in motor shell 115, and beater mechanism 122 is arranged in beater mechanism housing 121, wherein, these housings 119,115,121 are exemplarily arranged in tool housing 110.Below describe the local 200 of hand held power machine 100 in fig. 2, this local comprises beater mechanism 122, transmission device 118 and means accepts portion 150.
The beater mechanism 122 be connected with driving shaft 120 is exemplary is rotate or rotate beater mechanism, this rotation or rotate beater mechanism and produce that to have the impact type of high strength rotary pulsed and be delivered on driven shaft 124 (such as slave spindle).By the abundant known a kind of exemplary beater mechanism of prior art, utilize this beater mechanism can realize described beater mechanism 122, thus the detailed description to beater mechanism 122 can be saved at this for the brief property described.
On driven shaft 124, in the region of the side 112 of tool housing 110, be provided with preferable configuration for receiving the means accepts portion 150 of plug-in type instrument, this means accepts portion is provided with acceptance division (290 in Fig. 2) in the outer acceptance division (210 in Fig. 2) of polygon and polygon according to a form of implementation.Illustratively, the outer acceptance division (210 in Fig. 2) of polygon is configured to the plug-in type instrument that reception has inner polygon connection part (such as grafting spanner), and in polygon, acceptance division (290 in Fig. 2) is configured to receive the plug-in type instrument 170 formed according to the type of bottle opener device head.Exemplarily be configured to bottle opener device head and the following plug-in type instrument 170 therefore so indicated has shank 176, this shank has the connection profile 175 be configured in axial end region 178, and this connection profile is such as formed according to polygon (particularly hexagon) cross section of the outer groove 179 of standard DIN3126-E6.3 setting by shank 176 and on this shank.By the fully known this bottle opener device head of prior art, this bottle opener device head is explanatory is so-called HEX type, thus saves detailed description at this for the reason describing brief property.But it should be noted that, the utility model is not limited to the application of HEX bottle opener device head, but also can adopt other plug-in type instrument according to the design of the corresponding selection in means accepts portion 150, such as HEX drill bit and/or SDS-plus plug-in type instrument and/or SDS-Quick plug-in type instrument.
Fig. 2 shows the local 200 of the hand held power machine 100 of Fig. 1, and this local comprises the driven shaft 124 being provided with means accepts portion 150, and this driven shaft has acceptance division 290 in the outer acceptance division 210 of polygon and polygon on the first free axial end portion 301.The outer acceptance division 210 of polygon is preferably provided with outer polygonal profile 215 (explanatory is quadrangular configuration) at least section, and in polygon, acceptance division 290 is provided with inner polygon profile 295 (explanatory is hexagonal outline) at least section.
In addition, means accepts portion 150 has the locking bushing 240 on the periphery being axially movably bearing in driven shaft 124 in the region of the free axial end portion 301 of driven shaft 124, and this locking bushing is preferably made up of keeper 220 and operating parts 230 at least in two style.At this, operating parts 230 is arranged in the region of free axial end portion 301, and keeper 220 is arranged on second axial end portion 302 opposed with described free axial end portion 301 of driven shaft 124.
Fig. 3 shows the local 200 of the hand held power machine 100 of Fig. 1, and this local comprises means accepts portion 150 and beater mechanism 122 and transmission device 118.Beater mechanism 122 is arranged in beater mechanism housing 121 as shown in FIG. 1, and transmission device 118 is arranged in gear mechanism housing 119, wherein, the tool housing 110 being preferably torsionally fixed on the hand held power machine 100 of Fig. 1 in this illustratively described beater mechanism housing 121 1 is preferably torsionally fixed on gear mechanism housing 119 on the other hand.
Transmission device 118 is exemplary is the planetary transmission that can be driven by driving element 398, and this planetary transmission has single epicyclic gear stage 310.Driving element 398 be such as made up of the motor drive shaft 116 of Fig. 1 and rotatable movement be coupled to drive at least one planetary gear 312,313 in acceptance division 309, this acceptance division is arranged in the driving shaft 120 of Fig. 1.This driving shaft is explanatory to be bearing in gear mechanism housing 119 by bearing element 307 (such as rolling bearing) rotatable movement.What acceptance division 309 was configured in driving shaft 120 takes in moving part 397, is bearing in this preferred rotatable movement of planetary gear 312,313 and takes in moving part.Described planetary gear can axially not movable and reverse in the hollow wheel 311 be latchingly arranged in gear mechanism housing 119 and roll according to a form of implementation.
In addition, impact body 360 is torsionally connected with driving shaft 120 and is axially movably bearing on this driving shaft.The Compress Spring 384 surrounding described driving shaft 120 is provided with between impact body 360 and transmission device 118.According to a form of implementation, Compress Spring 384 to be supported on transmission device 118 and to load described impact body 360 along distal direction, that is, towards the direction in means accepts portion 150, as indicated with arrow 382.
In the uncharge operation of the hand held power machine 100 of Fig. 1, that is, impact if do not need to produce, then impact body 360 in axial forward end position along with driving shaft 120 rotates and to be taken by the rotation of the inverted cam 303,308 arranged on this driven shaft at this by driven shaft 124 and drive rotatably.At this, driven shaft 124 is explanatory to be bearing in the dead eye 399 be configured on driving shaft 120 and therefore preferred rotatable relative to driving shaft 120 with its axial end portion 302 rotatable movement towards driving shaft 120.In addition, driven shaft 124 is bearing in beater mechanism housing 121 and/or tool housing 110 according to a form of implementation by sleeve-shaped bearing element 370 rotatable movement, and this bearing element is such as preferably configured as sliding bearing, particularly sintered bearing according to the type structure of bearing holder (housing, cover).For this reason, the bearing element 370 hereinafter also referred to " bearing holder (housing, cover) " reverses latchingly fixing in the region of the side 112 of tool housing 110 (preferably at least press-in) in beater mechanism housing 121 and/or tool housing 110.
In the operation of the hand held power machine 100 of Fig. 1 mechanical percussion mechanism 122 produce impact time at driven shaft 124 in slave end is by locking, by impact body 360 against the power of Compress Spring 384 come axially along refer to from means accepts portion 150 from direction (as indicated with arrow 381) movement, thus impact body 360 can continue it relative to the rotation of driven shaft 124 skids off the inverted cam 303,308 of this driven shaft or rotate over this inverted cam.In order to avoid excessively moving axially of described impact body 360 at this, this impact body such as by bolster axially locking, wherein, preferably cushions the impact of described impact body 360 in predetermined axial rearward end position.So impact body 360 impacts to produce and to be bounce back in axial forward end position by Compress Spring 384 and can therefore continuing relative to driven shaft 124 be delivered on the inverted cam 303,308 of this driven shaft by shock pulse when rotating.Because the functional mode of mechanical percussion mechanism and the impact by this beater mechanism produce fully known for those skilled in that art, further describe so eliminate in this brief property for description.
According to a form of implementation, as shown in Figure 2ly on the free axial end portion 301 of driven shaft 124 be provided with means accepts portion 150 like that, this means accepts portion has acceptance division 290 and locking bushing 240 in the outer acceptance division 210 of polygon, polygon.In order to construct the outer acceptance division 210 of described polygon, driven shaft 124 preferably has the first section 351 of outfit first overall diameter on its free axial end portion 301, and this first section is transited into second section 353 with larger second overall diameter at least section.In the region of the first section 351, preferably on driven shaft 124, be configured with at least one and explanatory be two radial direction through hole 390,391.
Preferably, the outer acceptance division 210 of polygon for receiving plug-in type instrument such as grafting spanner (910 in Fig. 9) has receiving area 385, this receiving area preferable configuration driven shaft 124 free axial end portion 301 and be arranged on locking bushing 240 in latched position towards described free axial end portion 301 axial end portion 331 between.Receiving area 385 preferably has length a, and this length is at least less than 12 millimeters and is preferably 8.9 millimeters.
At this, explanatoryly illustrate that the locking bushing 240 with operating parts 230 and keeper 220 is in its latched position.Preferably, operating parts 230 is with its first and second axial end portion 331,332 and keeper 220 is configured to cup-shaped respectively with its first and second axial end portion 321,322.Preferably, operating parts 230 is at least substantially arranged on the first section 351 of driven shaft 124 in the latched position of locking bushing 240, and keeper 220 is arranged on the second section 353 of driven shaft 124.At this, keeper 220 and operating parts 230 are so arranged, make their the second axial end portion 322,332 respectively towards the second axial end portion 302 of driven shaft 124, wherein, the second axial end portion 332 of operating parts 230 is arranged in the region of the first axial end portion 321 of keeper 220.
Preferably, operating parts 230 has Flange-shaped Parts peripheral flange 333 on the second axial end portion 332, the maximum interior diameter being equivalent to keeper 220 of the overall diameter of this Flange-shaped Parts peripheral flange.In addition, keeper 220 constructs inner space 325, and this internal space construction is used for, and at least section ground receives described operating parts 230.In addition, locking bushing 240 is further described in the diagram.
In order to lock the bottle opener device head 170 of Fig. 1 in acceptance division 290 in polygon, be preferably respectively provided in each in radial direction through hole 390,391 few one such as according to the locking member 344 or 345 of locking ball type structure.These locking members 344,345 are loaded in the latched position of attaching troops to a unit by the locking bushing 240 be arranged in its latched position, so that in the polygon that can realize at least at least being coupled to by locking member 344,345 under the lock-out state in means accepts portion 150 means accepts portion 150 in acceptance division 290, so that bottle opener device head 170 is locked section.At this, locking member 344,345 in its latched position of attaching troops to a unit preferably and the spaced apart spacing b of free axial end portion 301 of driven shaft 124.Preferably, mutually opposing locking member 344,345 is configured with axis c, wherein, is arranged between the axis c of the locking member 344,345 in latched position and axial end portion 301 and is configured with spacing b.
According to a form of implementation, spacing b is less than 17.2 millimeters, is preferably less than 14 millimeters and is particularly preferably 12 millimeters.When spacing b in the latched position of locking bushing 240 and under the assembled state of bottle opener device head 170 and/or under the unassembled state of plug-in type instrument is 12 millimeters, the above-mentioned length a of receiving area 385 is preferably 8.9 millimeters long, thus such as in polygon, also can lock the plug-in type instrument (670 in Fig. 6) according to drill type structure in acceptance division 290.
Preferably, through hole 390,391 is used for according to the type structure of elongated hole, realizes only locking member 344,345 respectively and partially passes through and to arrive in polygon in acceptance division 290.According to a form of implementation, through hole 390,391 has length 393 respectively along the axial direction in means accepts portion 150, and this length at least achieves and receive at least one stop pin (920 in Fig. 9) except locking member 344,345.Preferably, at least one stop pin described (920 in Fig. 9) is configured to, and is locked in the plug-in type instrument (910 in Fig. 9) that the outer acceptance division 210 of polygon is arranged, such as grafting spanner.
Fig. 4 show be arranged on according on the driven shaft 124 of Fig. 3, the locking bushing 240 be in its latched position, this locking bushing has keeper 220 and operating parts 230.According to a form of implementation, keeper 220 is fixed or locking on driven shaft 124 by the direction of the first clamping washer 452 of annular along the arrow 381 of Fig. 3 on its second axial end portion 322.At this, the first clamping washer 452 is preferably arranged in the first annular groove 462, and this first annular groove is configured on the periphery of the second section 353 of driven shaft 124.
Operating parts 230 is preferably fixed or be locked at by the second clamping washer 456 of annular along the direction of the arrow 382 of Fig. 3 on keeper 220 in the peripheral flange 333 of its Fig. 3.At this, the second clamping washer 456 is arranged in the second annular groove 466, and this second annular groove is configured in the region of its first axial end portion 321 in the inner space 325 of keeper 220.
According to a form of implementation, operating parts 230 may be rubbed against spring force together with keeper 220 and moves along the direction of arrow 382, and this spring force is applied by the first attached troops to a unit spring element 422.Operating parts 230 and this of keeper 220 move corresponding to locking bushing 240 from its latched position to the movement unlocked position simultaneously.For this reason, the first spring element 442 is preferably arranged between the periphery of the second section 353 and the inner circumferential of operating parts 230 and by support ring 458 and is supported on the 3rd annular clamping washer 454 on the second section 353 of driven shaft 124.3rd clamping washer is arranged in the 3rd annular groove 464, and the 3rd annular groove is exemplarily arranged on towards in the region of the free axial end portion 301 of driven shaft 124 on the periphery of the second section 353.Preferably, clamping washer 452,454,456 is configured to metal dead ring, this metal dead ring preferred C shape ground structure.
According to a form of implementation, first section 351 of driven shaft 124 arranges second spring element 441 with the first and second axial end portions 445,446, this second spring element preferably so constructs, between the periphery making this second spring element can be arranged on the first section 351 and the inner circumferential of operating parts 230.Operating parts 230 is preferably axially loaded along the direction of arrow 382 by the second spring element 441, and keeper 220 is axially loaded along the direction of arrow 381 by the first spring element 442.
At the second spring element towards on the second axial end portion 446 of driven shaft 124 second axial end portion 302, the second spring element 441 be preferably supported on the second section 353 towards on the shoulder 471 of the free axial end portion 301 of driven shaft 124.On the first axial end portion 445 of the second spring element, second spring element 441 preferably loads the loading element 450 of an annular, and this loading element preferably has annular flange flange 451 and is therefore configured to L shape cross section on its side towards the free axial end portion 301 of driven shaft 124.In the latched position of locking bushing 240, this annular flange flange 451 is preferably placed in the second support section 414 and on locking member 344,345 owing to being loaded by the spring of the second spring element 441.
Preferably, operating parts 230 can be inserted in keeper 220 when making locking member 344,345 take against the spring force applied by the second spring element 441 at least section.For this reason, operating parts 230 has bottom surface 434 on its first free axial end portion 331, and this bottom surface has the first and second support section 412,414 arranged in inner circumferential.Locking member 344,345 preferably at least supports by the first support section 412 in its latched position, and locking member 344,345 is preferably at least supported in through hole 390,391 by the second support section 414 in its unlocked position.According to a form of implementation, each in through hole 390,391 has the first free axial end portion 421,423 and the second free axial end portion 422,424 respectively.Preferably, locking member 344,345 is separately positioned on the first free axial end portion 421,423 of through hole 390,391 in its latched position.
Fig. 5 shows in Fig. 1 to Fig. 4, in the polygon bottle opener device head 170 of Fig. 1 being moved into Fig. 2 to Fig. 4 along the direction of the arrow 381 of Fig. 3 in acceptance division 290 means accepts portion 150, wherein, in this case simplification view, what illustrate only bottle opener device head 170 is provided with the axial end region 178 connecting profile 175.At this, locking member 344,345 is made to move towards the direction of the second axial end portion 422,424 of through hole 390,391 and make it radially outward extrude at this by connecting profile 175, thus, locking member 344,345 makes described loading element 450 be loaded against the spring force of the second spring element 441 and be moved along the direction of arrow 381 when spring element 441 compresses.Locking member 344,345 is mobile in this degree like this, until these locking members may be fitted in the annular groove 179 on described end regions 178, as shown in FIG. 6.
The means accepts portion 150 of that Fig. 6 shows Fig. 1 to Fig. 5, that there is locking in acceptance division 290 in the polygon in means accepts portion 150 plug-in type instrument 670.This plug-in type instrument is exemplarily according to the type structure of drill, this drill is explanatory has boring section 672 that is cup-shaped, that be provided with sawtooth 671, and the bottle opener device head 170 that this drill is similar to Fig. 1 has the end regions 178 being equipped with and connecting profile 175 and annular groove 179.
In addition, Fig. 6 illustrates locking bushing 240 and is in the layout in its latched position and then illustrates locking member 344,345 in annular groove 179, be in layout in its latched position.At this, second spring element 441 so loads on loading element 450, the the first free axial end 421,423 locking member 344,345 being moved again by this loading element be back to through hole 390,391 and being supported on subsequently in the second support section 412 of operating parts 230, and locking member 344,345 reclines against the first support section 414 of operating parts 230.
Fig. 7 shows in Fig. 6, when acceptance division 290 unlocks in polygon means accepts portion 150, and wherein, locking bushing 240 and drill 670 axially overcome the first spring element 442 spring force along the direction of the arrow 382 of Fig. 3 is loaded by user or mobile.At this, the first spring element 442 is extruded or compresses, and locking bushing 240 (keeper 220 and operating parts 230) moves along the direction of arrow 382.Thus, between loading element 450 and the second support section 412 of operating parts 230, create spacing d, locking member 344,345 is moved in this spacing by moving of drill 670.Therefore, drill 670 unlocked and this drill can be pulled out from acceptance division in polygon 290 along the direction of arrow 382.After the release that locking bushing 240 follows closely, the first spring element 442 is expanded again and locking bushing 240 motion is got back in initial position.
Fig. 8 shows the means accepts portion 150 of the locking bushing 240 with Fig. 2 and Fig. 4, this means accepts portion in order to the plug-in type instrument (910 in Fig. 9) according to grafting spanner type structure is received in means accepts portion 150 the outer acceptance division 210 of polygon on and arrange and be in its unlocked position.At this, the operating parts 230 of locking bushing 240 overcomes the first spring element 441 spring force along the direction of the arrow 381 of Fig. 3 loads.This can by installing to realization on the outer acceptance division 210 of polygon by operating parts 230 described in user's direct control or by the direction along arrow 381 by grafting spanner (910 in Fig. 9) cover.At this, the first spring element 441 is extruded or compresses, and locking member 344,345 moves to the second axial end portion 422,424 of through hole 390,391 by the first support section 414 of operating parts 230.In addition, move along the direction of arrow 381 equally in the inner space of keeper 220 in the peripheral flange 333 of this operating parts 230.In addition, increase at this length a, precision (Rundlaufgenauigkeit) is jumped in the footpath that at least roughly can improve the grafting spanner (910 in Fig. 9) on the receiving area 385 being arranged on the outer acceptance division 210 of polygon thus.
Fig. 9 shows the means accepts portion 150 with the grafting spanner (910) of locking on the outer acceptance division 210 of polygon of Fig. 8.This grafting spanner preferably has acceptance division 915 and is provided with on the second axial end portion 902 that it is opposed with the first axial end portion 901 and connects profile 912 on its first axial end portion 901.Connect profile 912 for be arranged on the outer acceptance division 210 of polygon and there is at least one and explanatory be that two through holes 917,919 are for receiving at least one stop pin 920.
Preferably, stop pin 920 so constructs, and makes this stop pin extend until the second through hole 919 from the first through hole 917, is locked in the outer acceptance division 210 of polygon for making stop pin 920.At this, the through hole 390,391 arranged in driven shaft 124 in Fig. 1 to Fig. 8 preferably so constructs, stop pin 920 can be located on the first axial end portion 421,423 of this through hole, and locking member 344,345 can be located on the second axial end portion 422,423 of through hole 390,391.Therefore, locking member 344,345 and stop pin 920 can be arranged in through hole 390,391 simultaneously.
Illustratively, by locking bushing 240, due to the spring force of the first spring element 441, the direction along the arrow 382 of Fig. 3 loads the grafting spanner 910 outer acceptance division 210 of polygon locked.Therefore under the state that can be implemented in the non-load of grafting spanner 910, stop pin 920 is clamped.
Claims (18)
1. a hand held power machine (100), it has driven shaft (124), this driven shaft has free axial end portion (301), on this free axial end portion, structure is provided with the means accepts portion (150) of locking bushing (240), this means accepts portion has acceptance division in polygon (290) and the outer acceptance division (210) of polygon, wherein, in order to the plug-in type instrument (170 in described polygon in acceptance division (290) will be arranged on, 910) lock, be provided with the locking member (344 that at least one can be loaded towards the direction of acceptance division (290) in described polygon by described locking bushing (240), 345), this locking member is arranged on the through hole (390 be configured on described means accepts portion (150), 391) in, it is characterized in that, described through hole has length (393) along the axial direction of described means accepts portion (150), this length configuration is used for, can except receiving at least one locking member (344 described, 345) at least one stop pin (920) is at least received outside, wherein, at least one stop pin described is configured to locking one and is arranged on plug-in type instrument (910) on the outer acceptance division (210) of described polygon.
2. hand held power machine according to claim 1, it is characterized in that, described through hole (390,391) be used for according to the type structure of elongated hole, at least one locking member (344 described can be realized, 345) to be only partly coupled in described polygon in acceptance division (290) through described through hole (390,391).
3. hand held power machine according to claim 1 and 2, it is characterized in that, described through hole (390,391) so construct, make described at least one stop pin (920) that described through hole (390 can be positioned at, 391) the first axial end portion (421,423) on, and at least one locking member (344 described, 345) described through hole (390 can be positioned at, 391), with on opposed the second axial end portion (422,424) of described first axial end portion (421,423).
4. hand held power machine according to claim 1 and 2, it is characterized in that, described driven shaft (124) has the first section (351) being provided with the first overall diameter on its free axial end portion (301), this first section forms the outer acceptance division (210) of described polygon at least section and transition is second section (353) with larger second overall diameter, wherein, described through hole (390,391) is arranged in the region of described first section (351).
5. hand held power machine according to claim 1, is characterized in that, described locking bushing (240) is configured to two-piece type and has at least one keeper (220) and operating parts (230).
6. hand held power machine according to claim 5, it is characterized in that, described keeper (220) is arranged on first section (351) of described driven shaft (124), and described operating parts (230) is arranged on second section (351) of described driven shaft (124).
7. the hand held power machine according to claim 5 or 6, it is characterized in that, described keeper (220) and described operating parts (230) are configured to cup-shaped, and described operating parts (230) has flange form peripheral flange (432) on its axial end portion towards described keeper (433), the maximum interior diameter being equivalent to described keeper (220) of the overall diameter of this flange form peripheral flange.
8. the hand held power machine according to claim 5 or 6, is characterized in that, described keeper (220) forms inner space (425), and this internal space construction is used at least section ground and receives described operating parts (230).
9. hand held power machine according to claim 7, is characterized in that, described keeper (220) forms inner space (425), and this internal space construction is used at least section ground and receives described operating parts (230).
10. hand held power machine according to claim 9, is characterized in that, described flange form peripheral flange (432) is locked in described inner space (425) by the clamping washer (456) of annular.
11. hand held power machines according to claim 5, it is characterized in that, described operating parts (230) together with described keeper (220) can against the spring force applied by first spring element (442) of attaching troops to a unit along refer to from described hand held power machine (100) from axial direction (382) move to unlocked position from latched position.
12. hand held power machines according to claim 11, it is characterized in that, described operating parts (230) can be moved in described keeper (220) when making described at least one locking member (344,345) take against the spring force applied by second spring element (441) of attaching troops to a unit at least section.
13. hand held power machines according to claim 11 or 12, it is characterized in that, described operating parts (230) has the first support section (412) and the second support section (414) on its bottom surface (434), wherein, described first support section (412) is by described locking member (344,345) at least support in the latched position of this locking member, and described locking member (344,345) at least supports by described second support section (414) in the unlocked position of this locking member.
14. hand held power machines according to claim 11 or 12, it is characterized in that, described keeper (220) is axially loaded towards the direction of described hand held power machine (100) by first spring element (442) of attaching troops to a unit, and described operating parts (230) by second spring element (441) of attaching troops to a unit along refer to from described hand held power machine (100) from axial direction loading.
15. hand held power machines according to claim 14, it is characterized in that, described operating parts (230) and at least one locking member (344 described, 345) axially loaded by the loading element (450) of annular, wherein, the loading element (450) of described annular is loaded by described second spring element (441).
16. hand held power machines according to claim 1 and 2, it is characterized in that, the outer acceptance division (210) of described polygon has the receiving area (385) of outfit length (a), this receiving area be configured in described driven shaft (124) free axial end portion (301) and be arranged on locking bushing (240) in latched position towards this free axial end portion (301) axial end portion (331) between, wherein, described length (a) is at least less than 12 millimeters and is preferably 8.9 millimeters.
17. hand held power machines according to claim 1 and 2, it is characterized in that, described locking member (344,345) in its latched position, be spaced spacing (b) with the free axial end portion (301) of described driven shaft (124), this spacing is advantageously less than 17.2 millimeters, is preferably less than 14 millimeters and is particularly preferably 12 millimeters.
18. 1 kinds of hand held power machines (100), it has driven shaft (124), this driven shaft has free axial end portion (301), on this free axial end portion, structure is provided with the means accepts portion (150) of locking bushing (240), this means accepts portion has acceptance division in polygon (290) and the outer acceptance division (210) of polygon, wherein, in order to the plug-in type instrument (170 in described polygon in acceptance division (290) will be arranged on, 910) lock, be provided with the locking member (344 that at least one can be loaded towards acceptance division (290) direction in described polygon by described locking bushing (240), 345), this locking member is arranged on the through hole (390 be configured on described means accepts portion (150), 391) in, it is characterized in that, the outer acceptance division (210) of described polygon has receiving area (385), this receiving area be configured in described driven shaft (124) free axial end portion (301) and be arranged on locking bushing (240) in latched position towards this free axial end portion (301) axial end portion (331) between, wherein, described receiving area (385) has length (a), this length is at least less than 12 millimeters and is preferably 8.9 millimeters.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014210837 | 2014-06-06 | ||
| DE102014210837.3 | 2014-06-06 | ||
| DE102015204806.3A DE102015204806A1 (en) | 2014-06-06 | 2015-03-17 | Hand tool |
| DE102015204806.3 | 2015-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205057974U true CN205057974U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520382492.5U Active CN205057974U (en) | 2014-06-06 | 2015-06-05 | Hand -held power tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205057974U (en) |
| DE (1) | DE102015204806A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065023A (en) * | 2018-01-24 | 2019-07-30 | 罗伯特·博世有限公司 | Holding meanss for hand held power machine |
| CN110997239A (en) * | 2017-08-09 | 2020-04-10 | 罗伯特·博世有限公司 | Hand-held power tool with depth stop unit |
| WO2020118504A1 (en) * | 2018-12-11 | 2020-06-18 | Tti (Macao Commercial Offshore) Limited | Connector for coupling attachment to power tool |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022005929A1 (en) | 2020-07-02 | 2022-01-06 | Milwaukee Electric Tool Corporation | Rotary impact tool having bit holding device |
| DE102020214350A1 (en) * | 2020-11-16 | 2022-05-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool with an activation unit |
| DE102022209287A1 (en) * | 2022-09-07 | 2024-03-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool with a tool holder and a locking unit |
-
2015
- 2015-03-17 DE DE102015204806.3A patent/DE102015204806A1/en active Pending
- 2015-06-05 CN CN201520382492.5U patent/CN205057974U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110997239A (en) * | 2017-08-09 | 2020-04-10 | 罗伯特·博世有限公司 | Hand-held power tool with depth stop unit |
| CN110997239B (en) * | 2017-08-09 | 2022-04-01 | 罗伯特·博世有限公司 | Hand-held power tool with depth stop unit |
| CN110065023A (en) * | 2018-01-24 | 2019-07-30 | 罗伯特·博世有限公司 | Holding meanss for hand held power machine |
| WO2020118504A1 (en) * | 2018-12-11 | 2020-06-18 | Tti (Macao Commercial Offshore) Limited | Connector for coupling attachment to power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015204806A1 (en) | 2015-12-10 |
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