CN104440802A - Handheld tool machine - Google Patents
Handheld tool machine Download PDFInfo
- Publication number
- CN104440802A CN104440802A CN201410475095.2A CN201410475095A CN104440802A CN 104440802 A CN104440802 A CN 104440802A CN 201410475095 A CN201410475095 A CN 201410475095A CN 104440802 A CN104440802 A CN 104440802A
- Authority
- CN
- China
- Prior art keywords
- hand held
- power machine
- locking
- held power
- means accepts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The present invention relates to a hand-held machine tool. The hand-held machine tool equipped with a driven shaft, a tool receiving portion being arranged at the driven shaft and provided with a locking sleeve. The tool receiving portion is provided with at least one internal receiving unit for receiving a plug-in tool. The tool receiving portion is provided with at least one locking element can be loaded by the locking sleeve.The at least one locking element is arranged on the tool receiving portion penetrate the opening so as to allow said at least one locking element is fitted at least to the inner section receiving at least a portion of the tool receiving portion in the locked state. The at least one locking element is smaller than the minimum radius of the penetrating opening by the locking sleeve along the radial direction of the tool receiving portion of the portion of the maximum coverage.
Description
Technical field
The present invention relates to a kind of hand held power machine, it has driven shaft, described driven shaft is configured with the means accepts portion being equipped with locking sleeve, described means accepts portion has acceptance division at least one, for receiving plug-in type instrument, and described means accepts portion is equipped with at least one locking element that can be loaded by described locking sleeve, wherein, at least one locking element described is arranged in be arranged at and described means accepts portion penetrates in opening, at least to allow at least one locking element described to be coupled in described interior acceptance division in the lockup state in described means accepts portion at least section.
Background technology
A kind of hand held power machine being configured to rotary impact type bottle opener device is like this there is known by DE 20 2,006 014 850 U1, described hand held power machine has the means accepts portion being equipped with interior acceptance division, for receiving plug-in type instrument (such as bottle opener device head).In order to be fixed in interior acceptance division by this bottle opener device head, locking system is set, in described locking system, the action direction that locking sleeve radially points to inwardly in the lock position of attaching troops to a unit loads corresponding locking element (these locking elements are configured to locking ball) against bottle opener device head and is therefore locked in interior acceptance division by described bottle opener device head.This locking sleeve by means of the Compress Spring of attaching troops to a unit along away from the axial direction pretension of bottle opener device head and the power that must overcome this spring by the user of hand held power machine move on to corresponding unlocked position from lock position, to make means accepts portion unlock along the direction of bottle opener device head.
The shortcoming of prior art is, the operation of hand held power machine is bothersome and complicated, because such as in order to bottle opener device head is locked in interior acceptance division, must this bottle opener device head be pushed in interior acceptance division while the locking sleeve of manipulation tool acceptance division, wherein, bottle opener device head and locking sleeve can move in opposite axial directions.Operated by user's both hands at these needs, wherein, utilize a hand must implement the manipulation of locking sleeve, and utilize another hand must keep this bottle opener device head and be pushed in interior acceptance division.This may cause the comfortableness when using this hand held power machine impaired.
Summary of the invention
Therefore, task of the present invention is, provides a kind of novel hand-held toolroom machine, it has the means accepts portion being configured to receive the plug-in type instrument of attaching troops to a unit, wherein, means accepts portion can be handled by one hand, for by plug-in type tool locking in means accepts portion.
This task is solved by the hand held power machine with driven shaft, described driven shaft is configured with the means accepts portion being equipped with locking sleeve, described means accepts portion has acceptance division at least one, for receiving plug-in type instrument, and described means accepts portion is equipped with at least one locking element that can be loaded by described locking sleeve.At least one locking element described is arranged in and is arranged at penetrating in opening in described means accepts portion, at least to allow at least one locking element described to be coupled in described interior acceptance division in the lockup state in described means accepts portion at least section.The least radius of opening is penetrated described at least one locking element described to be less than along the maximal cover portion of the radial direction in described means accepts portion by described locking sleeve.
Therefore, present invention achieves and a kind of hand held power machine is provided, wherein, when plug-in type instrument is pushed in means accepts portion against this at least one locking element, described locking element is pressed against locking sleeve, wherein, can be realized by the manipulation of at least one locking element to locking sleeve by the covering of the reduction of locking sleeve by least one locking element, thus can realize with method in a straightforward manner singlehanded ground manipulation tool acceptance division with by plug-in type tool locking in means accepts portion.
Means accepts quality award from the ministry selection of land is arranged in the region of the side of the tool housing of hand held power machine, wherein, side is configured with at least one axial protuberance in the region penetrating opening, and described axial protuberance exceedes towards the direction of locking sleeve and penetrates opening and stretch out until exceed the central axis that this penetrates opening.
By providing this axial protuberance can safely and reliably achieve, at least one locking element be less than along the maximal cover portion of the radial direction in means accepts portion the least radius penetrating opening by locking sleeve.
According to an embodiment, driven shaft is bearing in bearing element in the region of side rotatable movement, and wherein, bearing element constructs at least one axial protuberance.
Therefore the present invention can achieve and propose a kind of hand held power machine, wherein, can realize axial protuberance in a straightforward manner with method when not using additional component.
Described bearing element is preferably jewel.
Therefore, it is possible to provide bearing element durable and with low cost.
Preferably in the lockup state in means accepts portion, construct predetermined spacing penetrating between the central axis of opening and the axial rearward end portion of locking sleeve, wherein, central axis this side closer is arranged.
Therefore, it is possible to ensure that, at least one locking element is less than along the maximal cover portion of the radial direction in means accepts portion the least radius penetrating opening by locking sleeve.
Described predetermined spacing is preferably at least 0.4mm.
Therefore, it is possible to ensure that with method in a straightforward manner, described locking sleeve can be handled by least one locking element when being pushed in means accepts portion by plug-in type instrument.
According to an embodiment, at least one locking element described is locking ball.
Therefore, it is possible to allow to provide a kind of locking element uncomplicated and with low cost.
Described locking ball preferably has the radius of at least 1.75mm.
Therefore, it is possible to allow to provide a kind of durable and stable locking element.
The least radius penetrating opening is less than to this situation of the radius of locking ball, locking ball selects along the maximal cover quality award from the ministry of the radial direction in means accepts portion the radius being less than this locking ball by locking sleeve.
Therefore, this situation least radius penetrating opening being less than to the radius of locking ball can ensure that the function according to means accepts portion of the present invention in a straightforward manner with method, so as singlehanded ground by plug-in type tool locking in interior acceptance division.
According to an embodiment, locking sleeve is loaded along the axial direction springing pointed to towards hand held power machine by the spring element of attaching troops to a unit.
Therefore, the present invention can realize providing a kind of hand held power machine with means accepts portion, and described means accepts portion also can handle, to take off the plug-in type instrument be arranged in described means accepts portion with and comfortable mode and method friendly to user.
Accompanying drawing explanation
The present invention is elaborated in the following description according to the embodiment shown in accompanying drawing.In accompanying drawing:
Fig. 1 illustrates the sketch with the hand held power machine in means accepts portion according to an embodiment,
Fig. 2 illustrates the partial sectional view with the hand held power machine in means accepts portion of Fig. 1,
Fig. 3 illustrates the amplification Local map of Fig. 2,
Fig. 4 illustrates the perspective view in the means accepts portion of Fig. 1 to Fig. 3.
Detailed description of the invention
Fig. 1 illustrates the hand held power machine 100 being equipped with means accepts portion 150, and described hand held power machine has and is equipped with hand the tool housing 110 of 126 is exemplarily configured to battery-rotary impact type bottle opener device.According to an embodiment, hand held power machine 100 can with batteries 130 mechanically with electricity be connected with not relying on electrical network for induced current, to run with alternatively such as also can be dependent on electrical network for this reason.
But be pointed out that, the present invention is not limited to battery-rotary impact type bottle opener device, but can use in different electric tools or rather, in these electric tools (such as at bottle opener device, brill formula bottle opener device, impact drill etc.), instrument is placed in rotation, does not utilize batteries with whether can relying on electrical network or run irrelevant with depending on electrical network with described electric tool.In addition it is noted that the present invention is not limited to the hand held power machine of motor operation, but can be widely used in instrument, Fig. 2 can be used in these instruments to means accepts portion 150 illustrated in fig. 4.
Be furnished with in tool housing 110: the electric drive motor 114 supplied with electric current by batteries 130; Transmission device 118; Mechanical percussion mechanism 122, wherein, CD-ROM drive motor 114 manually switch 128 can be handled (can connect and can turn off) and can be arbitrary motor type (such as electric rectification motor or d.c. motor).CD-ROM drive motor 114 is connected with transmission device 118 by the motor drive shaft 116 of attaching troops to a unit, and the rotation of motor drive shaft 116 can be converted to the rotation of the actuator 120 (such as driving shaft) arranged between transmission device 118 and beater mechanism 122 by described transmission device.Illustratively, transmission device 118 is 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, gear mechanism housing 119, motor shell 115 and beater mechanism housing 121 are exemplarily arranged in tool housing 110.
The beater mechanism 122 be connected with driving shaft 120 is exemplarily rotate or rotary type beater mechanism, and it is rotary pulsed and be delivered on driven shaft 124 (such as slave spindle) that described rotation or rotary type beater mechanism produce the impact type with high strength.A kind of exemplary beater mechanism is described at DE 20 2,006 014 850 U1, utilize described beater mechanism can realize this beater mechanism 122, at this clearly with reference to this document and the instruction of the document can be understood as a part for description of the present invention, thus the detailed description to beater mechanism 122 can be cancelled at this for the object making description simple and clear.
On driven shaft 124, in the region of the side 112 of tool housing 110, be furnished with the means accepts portion 150 being configured to receive plug-in type instrument 170, described means accepts portion is at least arranged for utilizing outer multi couple device to receive plug-in type instrument according to an embodiment.Illustratively, means accepts portion 150 is configured to receive the plug-in type instrument 170 according to the type structure of bottle opener device head, described plug-in type instrument has shank 176, this shank 176 to have in the end regions 178 of axis the coupling profile 175 of structure, and described coupling profile is formed by the multi-sided cross section (particularly hexagon cross section) of shank 176 and the cannelure 179 that is such as arranged on the outside on described shank according to DIN 3126-E6.3.This bottle opener device head (explanatory is so-called HEX model) is fully open by prior art, thus eliminates detailed description at this for the object making description simple and clear.But be pointed out that, the present invention is not limited to and uses HEX bottle opener device head, but also can use other plug-in type instrument (such as HEX drill bit and/or SDS-plus-plug-in type instrument and/or SDS-Quick-plug-in type instrument) according to the configuration of the corresponding selection in means accepts portion 150.
Local Figure 200 of hand held power machine 100 shown in Figure 2 below, described hand held power machine comprises means accepts portion 150, beater mechanism 122 and transmission device 118.
Fig. 2 illustrates local Figure 200 of the hand held power machine 100 of Fig. 1, and described hand held power machine has the means accepts portion 150 that is in lockup state and is in exemplary normal operating beater mechanism 122 and transmission device 118.As illustrated in fig. 1, beater mechanism 122 is arranged in beater mechanism housing 121, and transmission device 118 is arranged in gear mechanism housing 119, wherein, at this illustratively, beater mechanism housing 121 be preferably fixed on the hand held power machine 100 of Fig. 1 without relative rotation on the one hand tool housing 110 on and be fixed on gear mechanism housing 119 on the other hand.
Transmission device 118 is exemplarily the planetary gear transmission device with single planetary stage 210, this planetary gear transmission device can be driven by driving element, in described transmission device, driving element is such as made up of the motor drive shaft 116 of Fig. 1, and rotatable movement be coupled in the axial end portion of the driving shaft 120 being arranged on Fig. 1 acceptance division 209 in drive at least one planetary gear 212,213.In addition, this axial end portion is preferably configured with planet bearing part or takes moving part 214, described in take moving part and be bearing in gear mechanism housing 119 by bearing element 207 (such as rolling bearing) rotatable movement.To this alternatively, take moving part 214 to be connected with driving shaft 120 by the jockey be applicable to.Preferably, be bearing in planetary gear 212,213 rotatable movement and take in moving part 214.According to an embodiment, these planetary gears can one can not with axial motion and prevent from being torsionally arranged in the hollow wheel 211 in gear mechanism housing 119 roll.
On the end face of described beater mechanism 122, be exemplarily furnished with pad 230 what take moving part 214, described pad has opening 231 and is bearing on driving shaft 120 through described opening.In addition, impact body 250 is connected without relative rotation with driving shaft 120 and can be axially movably bearing on described driving shaft.Be furnished with between impact body 225 and pad 230 and be illustratively bearing in damping piece 232 on driving shaft 120 and impact for producing in the operation of the hand held power machine 100 of Fig. 1 around the pressing spring 234 of this driving shaft 120, as described below.Pressing spring 234 abut in this pressing spring on the axial end portion of pad 230 against this pad and described pad can (such as by plastics injection moulding) be formed on pressing spring 234.To this alternatively, pressing spring 234 and pad 230 can construct integratedly.The axial end portion towards impact body 250 of pressing spring 234 to be arranged in impact body 250 and to against the support chip 239 of ball bearing shape there.
According to an embodiment, pressing spring 234 to be supported on pad 230 and to load this impact body 250 as the direction (namely towards the direction in means accepts portion 150) towards distally shown in arrow 282.In the no-load run of the hand held power machine 100 of Fig. 1, that is once not need to produce and impact, so impact body 250 in fig. 2 shown in axial forward end position in rotate together with driving shaft 120 and to be taken by the rotation being arranged in the driven projection 203,208 on driven shaft at this and drive this driven shaft 124 rotatably.At this illustratively, driven shaft 124 to be bearing in the bearing openings 205 be configured on driving shaft 120 with axial end portion 202 rotatable movement towards driving shaft 120 of this driven shaft and therefore preferably can to rotate relative to driving shaft 120.In addition according to an embodiment, driven shaft 124 is bearing in beater mechanism housing 121 by bearing element 270 rotatable movement of sleeve-shaped, and described bearing element is such as preferably configured to sliding bearing, particularly sintered bearing according to the type of jewel.Hereafter prevent torsionally fixing in the region of the side 112 of tool housing 110 (preferably at least press-in) in beater mechanism housing 121 also referred to as the bearing element 270 of " jewel " for this reason.
When mechanical percussion mechanism 122 produces impact in the operation of the hand held power machine 100 of Fig. 1, as shown in arrow 281, the power that impact body 250 overcomes described pressing spring 234 axially moves up in the side away from means accepts portion 150, thus impact body 250 can continue this impact body relative to the rotation of driven shaft 124 can trackslip above the driven projection 203,208 of this driven shaft and maybe can cross this driven projection and rotate.In order to avoid described impact body 250 exceedingly to move axially at this, described impact body is blocked in the axial direction by damping piece 232 in predetermined axial rearward end position, and wherein, the impact of impact body 250 is preferably decayed by damping piece 232.Then, impact body 250 is bounce back into again for generation of impact in the axial forward end position shown in Fig. 2 by pressing spring 234, and therefore can be delivered on the driven projection 203,208 of this driven shaft by shock pulse relative in the further rotating of driven shaft 124.Because it is fully known that the principle of work and power of mechanical percussion mechanism and the impact by this beater mechanism produce for technical staff, so eliminate detailed description at this for the object making description simple and clear.
According to an embodiment, driven shaft 124 dorsad axial end portion 202, on the axial free end 204 of this driven shaft 124, means accepts portion 150 is arranged in the region of side 112 of tool housing 110.Described means accepts portion exemplarily has interior acceptance division 290, and described interior acceptance division is such as provided with inner polygon profile 295 (being illustratively hexagon profile) at least section.The profile 176 that is such as coupled can import along the direction of arrow 281 or be pushed in this polygon interior acceptance division 290, and the axial end region 178 being provided with the bottle opener device head 170 of cannelure 179 that described coupling profile is configured in Fig. 1 is such as provided with corresponding multi-sided cross section.
In order to be locked in polygon interior acceptance division 290 by the bottle opener device head 170 of Fig. 1, locking system 240 is arranged in the region of the axial end portion 204 of this driven shaft on driven shaft 124.Described locking system there is at least one and illustratively two be configured in the radial penetration opening 246,247 on driven shaft 124, these penetrate opening and have central axis 280 respectively, and are furnished with at least one respectively such as according to the locking element 245 or 244 of locking ball type structure described penetrating in opening.Locking ball 244,245 preferably has the radius being at least 1.75mm, and the central axis 280 penetrating opening 246,247 preferably intersects at unique point and forms cutting plane.In addition, locking sleeve 260 at least region is arranged in the region of polygon interior acceptance division 290, on the excircle that described locking sleeve axially movably can be bearing in driven shaft 124 and be configured to by locking ball 244,245 particularly radial inward be loaded in the lock position of attaching troops to a unit, can realize making locking ball 244,245 be coupled in the polygon interior acceptance division 290 in means accepts portion 150 in the lockup state in means accepts portion 150 with pointing at least section.
According to an embodiment, locking ball 244,245 is less than along the maximal cover portion (being 394 in figure 3) of the radial direction in means accepts portion 150 least radius marked with Reference numeral 288 penetrating opening 247 or 246 by locking sleeve 260.In order to described situation can be realized, in the region penetrating opening 246,247, the side 112 of tool housing 110 arranges at least one axial protuberance 298, and described axial protuberance is preferably constructed by jewel 270 and exceed this tool housing with predetermined length 294 on the axial direction of tool housing 110 and stretches out.This axial protuberance 298 preferably exceedes towards the direction of locking sleeve 260 and penetrates opening 246,247 and stretch out until exceed these central axis 280 penetrating opening and spaced apart with the side 287 towards this protuberance of locking sleeve 260 in addition.Between the axial rearward end portion (being 380 in figure 3) of the central axis 280 and locking sleeve 260 that penetrate opening 246,247, the predetermined spacing 296 being preferably at least 0.4mm is configured with in the lockup state in means accepts portion 150, wherein, central axis 280 is comparatively arranged close to ground, side 112 than the axial end side (being 380 in figure 3) at rear portion.
But it is noted that the least radius 288 penetrating opening 246,247 is illustratively at least substantially equal to or is greater than the corresponding radius (being 388 in figure 3) of locking ball 244,245 in fig. 2.Least radius 288 is less than to this situation of the radius (being 388 in figure 3) of locking ball 244,245, locking ball 244,245 is preferably less than the radius (being 388 in figure 3) of locking ball 244,245 along the maximal cover portion (being 394 in figure 3) of the radial direction in means accepts portion 150 by locking sleeve 260.
According to an embodiment, locking sleeve 260 is in the annular flange flange 262 on the axial end portion of jewel 270 with inside of this locking sleeve, and this annular flange flange is configured to locking ball 244,245 to be particularly loaded in the lock position of attaching troops to a unit to radial inward sensing.Support ring 242 is exemplarily arranged on driven shaft 124 by the opposed axial end portion of locking sleeve 260, described support ring be supported on such as be configured to C shape ring, on the relieving ring 241 of preferable alloy, described relieving ring is illustratively fixed in the cannelure 292 on the periphery being configured in driven shaft 124.The spring element 243 being exemplarily configured to Compress Spring is bearing in the region between support ring 242 and annular flange flange 262, preferably between driven shaft 124 and locking sleeve 260, and described spring element loads described locking sleeve 260 along the direction springing of arrow 281.
Fig. 3 illustrates the means accepts portion of Fig. 2, described means accepts portion have be arranged in penetrate in opening 246,247 and by locking sleeve 260 radial inward load locking ball 244,245 and jewel 270.Fig. 3 for explaining the exemplary maximal cover portion 394 of described locking ball 244,245 by locking sleeve 260 and the exemplary radius 388 of locking ball 244,245, and for illustration of the axial rearward end portion 380 of described locking sleeve 260.
When the plug-in type instrument (the bottle opener device head 170 of such as Fig. 1) be applicable to is moved in means accepts portion 150 along the direction of arrow 281, plug-in type instrument radially outward presses described locking ball 244,245 against locking sleeve 260, thus the elastic force that described locking sleeve overcomes described spring element 243 due to locking ball 244,245 by the reason in the maximal cover portion 394 of locking sleeve 260 axially moves along the direction of arrow 282, until plug-in type instrument discharges again described locking ball 244,245.Described locking ball then can be loaded in the lock position that this locking ball attaches troops to a unit and then by plug-in type tool locking in means accepts portion 150 by locking sleeve 260.Therefore, plug-in type instrument by user singlehanded to be pushed in means accepts portion 150 and to be locked in described means accepts portion, and do not need the another hand for this reason utilizing user to handle described locking sleeve 260 individually.
Fig. 4 illustrates a kind of assembly 300, described assembly have driven shaft 124, locking ball 244,245, locking sleeve 260, spring element 243, support ring 242 and Fig. 2 relieving ring 241, so that the representative configuration scheme of these elements to be described.
Claims (10)
1. a hand held power machine (100), it has driven shaft (124), described driven shaft is configured with the means accepts portion (150) being equipped with locking sleeve (260), described means accepts portion has acceptance division at least one (290), for receiving plug-in type instrument (170), and described means accepts portion is equipped with at least one locking element (244 that can be loaded by described locking sleeve (260), 245), wherein, at least one locking element (244 described, 245) be arranged in be arranged at described means accepts portion (150) penetrates opening (247, 246) in, at least to allow at least one locking element (244 described in the lockup state of described means accepts portion (150), 245) be coupled in described interior acceptance division (290) at least section, it is characterized in that, at least one locking element (244 described, 245) to be less than along the maximal cover portion (394) of the radial direction of described means accepts portion (150) by described locking sleeve (260) described in penetrate opening (247, 246) least radius (288).
2. hand held power machine according to claim 1, it is characterized in that, described means accepts portion (150) is arranged in the region of the side (112) of the tool housing (110) of described hand held power machine (100), wherein, described side (112) penetrate opening (247 described, 246) at least one axial protuberance (298) is configured with in region, the central axis (280) of opening (247,246) is penetrated described in described axial protuberance extends over towards the direction of described locking sleeve (260).
3. hand held power machine according to claim 2, it is characterized in that, described driven shaft (124) can be bearing in rotary motion in bearing element (270) in the region of described side (112), wherein, described bearing element (270) forms at least one axial protuberance (298) described.
4. hand held power machine according to claim 3, is characterized in that, described bearing element (270) is jewel.
5. the hand held power machine according to any one of claim 2 to 4, it is characterized in that, in the lockup state of described means accepts portion (150), opening (247 is penetrated described, 246) predetermined spacing (296) is configured with between central axis (280) and the axial rearward end portion (380) of described locking sleeve (260), wherein, described central axis (280) is arranged closer to described side (112).
6. hand held power machine according to claim 5, is characterized in that, described predetermined spacing is at least 0.4mm.
7. according to hand held power machine in any one of the preceding claims wherein, it is characterized in that, at least one locking element described (244,245) is locking ball (244,245).
8. hand held power machine according to claim 7, is characterized in that, described locking ball (244,245) has the radius (388) of at least 1.75mm.
9. the hand held power machine according to claim 7 or 8, it is characterized in that, opening (247 is penetrated for described, 246) least radius (288) is less than described locking ball (244,245) situation of radius (388), described locking ball (244,245) be less than the radius (388) of described locking ball (244,245) along the maximal cover portion (394) of the radial direction of described means accepts portion (150) by described locking sleeve (260).
10. according to hand held power machine in any one of the preceding claims wherein, it is characterized in that, described locking sleeve (260) is loaded along axial direction (281) springing pointed to towards described hand held power machine (100) by the spring element (243) of attaching troops to a unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013218675.4 | 2013-09-18 | ||
| DE201310218675 DE102013218675A1 (en) | 2013-09-18 | 2013-09-18 | Hand tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104440802A true CN104440802A (en) | 2015-03-25 |
| CN104440802B CN104440802B (en) | 2019-05-07 |
Family
ID=52579925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410475095.2A Active CN104440802B (en) | 2013-09-18 | 2014-09-17 | Hand held power machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104440802B (en) |
| DE (1) | DE102013218675A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848926A (en) * | 2017-11-30 | 2019-06-07 | 南京德朔实业有限公司 | Electric tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021214919A1 (en) | 2021-12-22 | 2023-06-22 | Robert Bosch Gesellschaft mit beschränkter Haftung | hand tool |
| DE102022209286A1 (en) * | 2022-09-07 | 2024-03-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand tool with a mechanical rotary impact mechanism |
| DE102022210252A1 (en) * | 2022-09-28 | 2024-03-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Tool holder for a hand tool |
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- 2013-09-18 DE DE201310218675 patent/DE102013218675A1/en not_active Ceased
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- 2014-09-17 CN CN201410475095.2A patent/CN104440802B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848926A (en) * | 2017-11-30 | 2019-06-07 | 南京德朔实业有限公司 | Electric tool |
| CN109848926B (en) * | 2017-11-30 | 2022-01-04 | 南京德朔实业有限公司 | Electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104440802B (en) | 2019-05-07 |
| DE102013218675A1 (en) | 2015-03-19 |
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