CN104440802B - Hand held power machine - Google Patents
Hand held power machine Download PDFInfo
- Publication number
- CN104440802B CN104440802B CN201410475095.2A CN201410475095A CN104440802B CN 104440802 B CN104440802 B CN 104440802B CN 201410475095 A CN201410475095 A CN 201410475095A CN 104440802 B CN104440802 B CN 104440802B
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- Prior art keywords
- acceptance division
- locking
- hand held
- held power
- power machine
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 22
- 239000010437 gem Substances 0.000 claims description 7
- 229910001751 gemstone Inorganic materials 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 12
- 238000003825 pressing Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Abstract
The present invention relates to a kind of hand held power machines, it is with driven shaft, the instrument acceptance division for being equipped with locking sleeve is configured on the driven shaft, the instrument acceptance division has at least one interior receiving unit, for receiving plug-in type tool, and the instrument acceptance division is equipped at least one locking element that can be loaded by the locking sleeve, wherein, at least one described locking element, which is arranged in, is set to penetrating in opening in the instrument acceptance division, to be cooperated in the interior receiving unit with allowing at least one locking element at least section at least in the lockup state of the instrument acceptance division, at least one described locking element is less than the least radius for penetrating opening along the maximal cover portion of the radial direction of the instrument acceptance division by the locking sleeve.
Description
Technical field
The present invention relates to a kind of hand held power machines to be configured with outfit locking with driven shaft on the driven shaft
The instrument acceptance division of sleeve, the instrument acceptance division has at least one interior receiving unit, for receiving plug-in type tool, and institute
State instrument acceptance division equipped with can by the locking sleeve load at least one locking element, wherein it is described at least one
Locking element, which is arranged in, is set to penetrating in opening in the instrument acceptance division, so as at least in the lock of the instrument acceptance division
It is cooperated in the interior receiving unit with only allowing at least one locking element at least section in state.
Background technique
It there is known the hand-held that rotary impact type bottle opener device is configured to as one kind as 20 2,006 014 850 U1 of DE
Toolroom machine, the hand held power machine have equipped with interior receiving unit instrument acceptance division, for receive plug-in type tool (such as
Bottle opener device head).In order to which this bottle opener device head to be fixed in interior receiving unit, locking system is set, in the locking system,
The action direction that locking sleeve is directed toward in the lock position attached along radial inward is against the corresponding lock of bottle opener device head load
Only element (these locking elements are configured to locking ball) and therefore the bottle opener device head is locked in interior receiving unit.This lock
Only sleeve is pre-tightened along the axial direction far from bottle opener device head by means of the compressed spring attached and must be by hand-held tool
The user of machine overcomes the power of this spring to move on in corresponding unlocked position along the direction of bottle opener device head from lock position, with
Just unlock instrument acceptance division.
The shortcomings that prior art, is that the operation of hand held power machine is bothersome and complicated, because for example in order to by bottle opener device
Head is locked in interior receiving unit, must be pushed into the bottle opener device head while locking sleeve of manipulation instrument receiving unit inscribed
In receipts portion, wherein bottle opener device head and locking sleeve can move in opposite axial directions.It is needed herein by user's both hands
Ground operation, wherein the manipulation of locking sleeve must be implemented using a hand, and the bottle opener device head must be kept using another hand
And it is pushed into interior receiving unit.The comfort that this may result in when using this hand held power machine is impaired.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of novel hand-held toolroom machine, have to be configured to receive and be matched
The instrument acceptance division of the plug-in type tool of category, wherein instrument acceptance division can be manipulated singlehandedly, be used for plug-in type tool lock
Only in instrument acceptance division.
The task is solved by the hand held power machine with driven shaft, and outfit lock sleeve is configured on the driven shaft
The instrument acceptance division of cylinder, the instrument acceptance division has at least one interior receiving unit, for receiving plug-in type tool, and it is described
Instrument acceptance division is equipped at least one locking element that can be loaded by the locking sleeve.At least one described locking element
It is arranged in and is set to penetrating in opening in the instrument acceptance division, so as at least in the lockup state of the instrument acceptance division
It is cooperated in the interior receiving unit with allowing at least one locking element at least section.At least one described locking element is logical
It crosses the locking sleeve and is less than the minimum for penetrating opening along the maximal cover portion of the radial direction of the instrument acceptance division
Radius.
Therefore, the present invention, which realizes, provides a kind of hand held power machine, wherein by plug-in type tool against this at least one
When a locking element is pushed into instrument acceptance division, the locking element is pressed against locking sleeve, wherein passes through at least one
Locking element can be realized the manipulation by least one locking element to locking sleeve by the covering of the reduction of locking sleeve,
To can be realized singlehanded ground manipulation instrument receiving unit with method in a simple manner to connect plug-in type tool locking in tool
In receipts portion.
Instrument acceptance division is preferably arranged in the region of the end side of the tool housing of hand held power machine, wherein is being held
It is configured at least one axially projecting portion on side in the region for penetrating opening, the axially projecting portion is towards the side of locking sleeve
To be more than penetrate opening stretch out until be more than this penetrate the central axis of opening.
It can safely and be reliably achieved by providing this axially projecting portion, at least one locking element passes through lock
Only sleeve is less than the least radius for penetrating opening along the maximal cover portion of the radial direction of instrument acceptance division.
According to one embodiment, driven shaft is supported in bearing element to rotatable movement in the region of end side,
In, bearing element constructs at least one axially projecting portion.
Therefore the present invention, which can be realized, proposes a kind of hand held power machine, wherein in a simple manner with method not
It can be realized axially projecting portion in the case where using additional component.
The bearing element is preferably jewel.
Therefore it is capable of providing durable and low-cost bearing element.
Preferably in the lockup state of instrument acceptance division, after the axial direction of the central axis and locking sleeve that penetrate opening
Predetermined spacing is constructed between end, wherein the closer end side arrangement of central axis.
Therefore it can ensure, at least one locking element is by locking sleeve along the radial direction of instrument acceptance division
Maximal cover portion is less than the least radius for penetrating opening.
The predetermined spacing is preferably at least 0.4mm.
Therefore it can be ensured in a simple manner with method, the energy when plug-in type tool to be pushed into instrument acceptance division
It is enough that the locking sleeve is manipulated by least one locking element.
According to one embodiment, at least one described locking element is locking ball.
Therefore it can allow for providing a kind of uncomplicated and low-cost locking element.
The locking ball preferably has at least radius of 1.75mm.
Therefore it can allow for providing a kind of durable and stable locking element.
Least radius for penetrating opening is less than such case of the radius of locking ball, and locking ball passes through locking sleeve edge
The maximal cover portion of the radial direction of instrument acceptance division be preferably smaller than the radius of the locking ball.
It therefore, can be in a simple manner for penetrating the such case for the radius that the least radius of opening is less than locking ball
Ensure the function of instrument acceptance division according to the present invention, with method so as to singlehandedly by plug-in type tool locking in interior receiving unit
In.
According to one embodiment, locking sleeve is by the spring element attached along the axial direction being directed toward towards hand held power machine
Direction springing load.
Therefore, the present invention, which can be realized, provides a kind of hand held power machine with instrument acceptance division, and the tool receives
Portion can be also arranged in the instrument acceptance division with manipulating to the friendly and comfortable ways and means of user to remove
Plug-in type tool.
Detailed description of the invention
The present invention is elaborated in the following description according to embodiment shown in the drawings.In attached drawing:
Fig. 1 shows the schematic diagram of the hand held power machine with instrument acceptance division according to one embodiment,
Fig. 2 shows the partial sectional view of the hand held power machine with instrument acceptance division of Fig. 1,
Fig. 3 shows the amplification Local map of Fig. 2,
Fig. 4 shows the perspective view of the instrument acceptance division of Fig. 1 to Fig. 3.
Specific embodiment
Fig. 1 is shown provided with the hand held power machine 100 of instrument acceptance division 150, and the hand held power machine, which has, to be equipped with
The tool housing 110 of hand handle 126 and it is illustratively configured to battery-rotary impact type bottle opener device.According to an embodiment party
Formula, hand held power machine 100 mechanically can with electric be connect with battery group 130 so as not to supply electricity dependent on power grid
Stream, runs in which alternatively for example can also can be dependent on power grid thus.
However, it is noted that the present invention is not limited to battery-rotary impact type bottle opener device, but more specifically can be with
It is used in different electric tools, in these electric tools (such as in bottle opener device, brill formula bottle opener device, impact drill
Deng), tool is placed in rotation, whether battery group or dependence can be utilized independent of power grid with the electric tool
It in power grid runs unrelated.Further noted that the present invention is not limited to the hand held power machine of motor operation, but can be general
All over applied in tool, Fig. 2 can be used in these tools to instrument acceptance division 150 illustrated in fig. 4.
It is disposed in tool housing 110: the electric drive motor 114 supplied by battery group 130 with electric current；Transmission device
118；Mechanical percussion mechanism 122, wherein drive motor 114 is operated with manual switches 128 and can manipulate and (can connect and can turn off)
And motor type (such as electric rectification motor or d.c. motor) can be arbitrary.Drive motor 114 passes through the horse attached
It is connect up to axis 116 with transmission device 118, the rotation of motor drive shaft 116 can be converted into 118 He of transmission device by the transmission device
The rotation for the actuator 120 (such as drive shaft) being arranged between beater mechanism 122.Illustratively, transmission device 118 is arranged in biography
In dynamic device housing 119, drive motor 114 is arranged in motor shell 115, and beater mechanism 122 is arranged in beater mechanism
In shell 121, wherein gear mechanism housing 119, motor shell 115 and beater mechanism shell 121 are illustratively arranged at tool
In shell 110.
The beater mechanism 122 connecting with drive shaft 120 is illustratively rotation or rotary type beater mechanism, the rotation or
Rotary type beater mechanism, which generates, to be had high-intensitive impact type rotary pulsed and is transmitted to driven shaft 124 (such as slave spindle)
On.A kind of illustrative beater mechanism is described in 20 2,006 014 850 U1 of DE, may be implemented using the beater mechanism
The beater mechanism 122, the introduction explicitly with reference to this document and the document can be understood as description of the invention herein
A part, thus herein for alloing the purpose of specification simplicity to cancel the detailed description to beater mechanism 122.
On driven shaft 124, it is disposed in the region of the end side of tool housing 110 112 and is configured to receive plug-in type
The instrument acceptance division 150 of tool 170, at least setting is used to utilize outer polygon coupling the instrument acceptance division according to one embodiment
Clutch receives plug-in type tool.Illustratively, instrument acceptance division 150 is configured to receive the type structure according to bottle opener device head
Plug-in type tool 170, the plug-in type tool has shank 176, which has in axial end regions 178
The coupling profile 175 of construction, it is described coupling profile by shank 176 multi-sided cross section (especially six side cross sections) and, for example,
It is formed according to the annular groove 179 that the outside on the shank is arranged in DIN 3126-E6.3.This bottle opener device head is (explanatory to be
So-called HEX model) it is sufficiently disclosed by the prior art, to be eliminated specifically for the purpose for making specification simplicity herein
It is bright.However, it is noted that the present invention is not limited to using HEX bottle opener device head, but can also be according to the phase of instrument acceptance division 150
The configuration that should be selected comes using other plug-in type tools (such as HEX drill bit and/or SDS-plus- plug-in type tool and/or SDS-
Quick- plug-in type tool).
The Local map 200 of hand held power machine 100 is shown in FIG. 2 below, the hand held power machine includes that tool connects
Receipts portion 150, beater mechanism 122 and transmission device 118.
Fig. 2 shows the Local map 200 of the hand held power machine 100 of Fig. 1, the hand held power machine, which has, is in locking shape
Instrument acceptance division 150 in state and the beater mechanism in exemplary normal operation 122 and transmission device 118.Such as Fig. 1
Shown in, beater mechanism 122 is arranged in beater mechanism shell 121, and transmission device 118 is arranged in gear mechanism housing
In 119, wherein herein illustratively, on the one hand beater mechanism shell 121 is preferably fixed on the hand-held of Fig. 1 without relative rotation
On the tool housing 110 of formula toolroom machine 100 and another aspect is fixed on gear mechanism housing 119.
Transmission device 118 is illustratively the planetary gear transmission device with single planetary stage 210, planet gear transmission dress
Setting can be driven by driving element, and in the transmission device, driving element is for example made of the motor drive shaft of Fig. 1 116, and
It is cooperated to rotatable movement in the receiving unit 209 in the axial end portion for the drive shaft 120 that Fig. 1 is set to drive at least one
Planetary gear 212,213.In addition, planet load-bearing part or carrying piece 214 are preferably configured on this axial end portion, it is described to take
Part is supported in gear mechanism housing 119 by bearing element 207 (such as rolling bearing) rotatable movement.It is replaceable to this
Ground, carrying piece 214 can be connect by suitable attachment device with drive shaft 120.Preferably, planetary gear 212,213 is rotatable
It is supported in carrying piece 214 to movement.According to one embodiment, these planetary gears can be not axially moveably and anti-one
It is rolled in the hollow wheel 211 being only torsionally arranged in gear mechanism housing 119.
In carrying piece 214 towards being illustratively disposed with gasket 230, the pad on the end face of the beater mechanism 122
Piece, which has opening 231 and passes through the opening, to be supported in drive shaft 120.In addition, impact body 250 is with drive shaft 120 without phase
It can be supported on to rotationally connection and axially movably in the drive shaft.It is disposed between impact body 225 and gasket 230
It the damping piece 232 that is illustratively supported in drive shaft 120 and is used for around the pressing spring 234 of the drive shaft 120 in Fig. 1
Hand held power machine 100 operation in generate impact, as described below.Pressing spring 234 stick on the pressing spring towards gasket
On 230 axial end portion against the gasket and the gasket can (such as passing through plastic injection) be formed on pressing spring 234.
Alternatively to this, pressing spring 234 and gasket 230 can be constructed integrally.The axial direction towards impact body 250 of pressing spring 234
End is arranged in impact body 250 and againsts the support chip 239 of ball bearing shape there.
According to one embodiment, pressing spring 234 be supported on gasket 230 and as with shown in arrow 282 towards remote
The direction (i.e. towards the direction of instrument acceptance division 150) of side loads the impact body 250.In the nothing of the hand held power machine 100 of Fig. 1
In load operation, that is to say, that once not needing to generate impact, impact body 250 is at axial forward end position shown in Fig. 2
It sets and rotates with drive shaft 120 and taken herein by the rotation for the driven convex block 203,208 being arranged on driven shaft together
To be rotatably driven the driven shaft 124.Herein illustratively, driven shaft 124 is with the axial direction towards drive shaft 120 of the driven shaft
It is supported in the bearing openings 205 being configured in drive shaft 120 to 202 rotatable movement of end and it is therefore preferred to being capable of phase
Drive shaft 120 is rotated.Furthermore according to an embodiment, driven shaft 124 is rotatable by the bearing element 270 of sleeve-shaped
It is supported in beater mechanism shell 121 to movement, the bearing element is for example constructed according to the type of jewel and preferably
For sliding bearing, particularly sintered bearing.The bearing element 270 for being hereinafter also referred to " jewel " thus prevents torsionally in tool
(being preferably at least pressed into) fixed in the region of the end side 112 of shell 110 is in beater mechanism shell 121.
When mechanical percussion mechanism 122 generates impact in the operation of the hand held power machine 100 of Fig. 1, such as with arrow
Shown in 281, impact body 250 overcomes the power of the pressing spring 234 axially to move up in the direction far from instrument acceptance division 150
It is dynamic, so that impact body 250 can continue the impact body relative to the rotation of driven shaft 124 and can be in the driven of the driven shaft
It trackslips above convex block 203,208 or the driven convex block can be crossed and rotate.In order to avoid the excessive earth's axis of the impact body 250 herein
To movement, the impact body is blocked in predetermined axial rearward end portion position by damping piece 232 in the axial direction, wherein
The impact of impact body 250 is preferably decayed by damping piece 232.Then, impact body 250 bounces back into institute in Fig. 2 by pressing spring 234 again
For generating impact in the axial forward end portion position shown, and therefore can be relative in the further rotating of driven shaft 124
Shock pulse is transmitted on the driven convex block 203,208 of the driven shaft.Because the principle of work and power of mechanical percussion mechanism and
It by the impact of this beater mechanism generation is fully known for technical staff, so herein for keeping specification concise
Purpose eliminates detailed description.
According to one embodiment, the axial end portion 202 backwards to driven shaft 124, the driven shaft 124 axially free
On end 204, instrument acceptance division 150 is arranged in the region of end side 112 of tool housing 110.The instrument acceptance division example
Property there is interior receiving unit 290, be equipped with internal polygon profile 295 (illustratively to the interior receiving unit for example, at least section
For six edge profiles).Such as coupling profile 176 can import or be pushed into this polygon interior receiving unit along the direction of arrow 281
In 290, the coupling profile is constructed in the axial end region 178 of the bottle opener device head 170 equipped with annular groove 179 of Fig. 1 simultaneously
And for example equipped with corresponding multi-sided cross section.
In order to which the bottle opener device head 170 of Fig. 1 to be locked in polygon interior receiving unit 290, locking system 240 is in driven shaft 124
On be arranged in the region of axial end portion 204 of the driven shaft.The locking system has at least one and illustratively two
Radial penetration opening 246,247 of a construction on driven shaft 124, these penetrate opening and are respectively provided with central axis 280, and
At least one locking element 245 or 244 for example constructed according to locking ball type is respectively disposed in opening in described penetrate.Lock
Only ball 244,245 preferably has the radius for being at least 1.75mm, and the central axis 280 for penetrating opening 246,247 is preferred
Ground, which intersects at, uniquely to be put and forms cutting plane.In addition, at least region of locking sleeve 260 be arranged in polygon interior receiving unit
In 290 region, the locking sleeve is axially displaceably supported on the excircle of driven shaft 124 and is configured to lock
Only ball 244,245 is particularly radial is loaded into the lock position attached with being inwardly directed to, so as in the lock of instrument acceptance division 150
It only can be realized the polygon interior receiving unit 290 for making locking ball 244,245 at least be cooperated to section instrument acceptance division 150 in state
In.
According to one embodiment, locking ball 244,245 is by locking sleeve 260 along the radial direction of instrument acceptance division 150
The maximal cover portion (being 394 in Fig. 3) in direction is less than the most smaller part marked with appended drawing reference 288 for penetrating opening 247 or 246
Diameter.In order to realize the situation, in the region for penetrating opening 246,247, set on the end side of tool housing 110 112
At least one axially projecting portion 298 is set, the axially projecting portion is preferably constructed by jewel 270 and in tool housing 110
Axial direction on scheduled length 294 more than the tool housing stretch out.This axially projecting portion 298 is preferably towards locking
The direction of sleeve 260 is more than to penetrate opening 246,247 to stretch out until penetrating the central axis 280 of opening and furthermore beyond these
With being spaced apart towards the end side of the protrusion 287 for locking sleeve 260.In the central axis 280 and lock for penetrating opening 246,247
Only between the axial rearward end portion (being 380 in Fig. 3) of sleeve 260, it is configured in the lockup state of instrument acceptance division 150 preferably
The predetermined spacing 296 for being at least 0.4mm, wherein central axis 280 than rear portion axial end side (in Fig. 3 be 380) compared with
It is arranged close to 112 ground of end side.
However, it is noted that the least radius 288 for penetrating opening 246,247 is illustratively at least approximately equal in Fig. 2
Or the corresponding radius (being 388 in Fig. 3) greater than locking ball 244,245.For least radius 288 be less than locking ball 244,
Such case of 245 radius (being 388 in Fig. 3), locking ball 244,245 is by locking sleeve 260 along instrument acceptance division
The maximal cover portion (being 394 in Fig. 3) of 150 radial direction is preferably less than the radius of locking ball 244,245 (in Fig. 3
For 388).
According to one embodiment, locking sleeve 260 has on the axial end portion towards jewel 270 of the locking sleeve
There is an internal annular flange 262, which is configured to load locking ball 244,245 is particularly radial with being inwardly directed to
Into the lock position attached.On the opposed axial end portion of locking sleeve 260 illustratively by support ring 242 be arranged in from
On moving axis 124, the support ring, which is supported on, to be for example configured on C-shaped ring, preferably metal relieving ring 241, the relieving ring
It is illustratively fixed in the annular groove 292 being configured on the periphery of driven shaft 124.It is illustratively configured to the bullet of compressed spring
Spring element 243 is supported between support ring 242 and annular flange 262, preferably between driven shaft 124 and locking sleeve 260
In region, the spring element loads the locking sleeve 260 along the direction springing of arrow 281.
Fig. 3 shows the instrument acceptance division of Fig. 2, the instrument acceptance division have be arranged in penetrate it is in opening 246,247 and
And it is locked up the locking ball 244,245 and jewel 270 of 260 radial inward of sleeve load.Fig. 3 is for explaining the locking
Ball 244,245 passes through the exemplary maximal cover portion 394 of locking sleeve 260 and the exemplary radius 388 of locking ball 244,245,
And the axial rearward end portion 380 for illustrating the locking sleeve 260.
Tool is moved into along the direction of arrow 281 in the plug-in type tool (such as bottle opener device head 170 of Fig. 1) being suitble to
When in receiving unit 150, plug-in type tool radially outward presses the locking ball 244,245 against locking sleeve 260, thus described
Locking sleeve overcomes the spring element due to the maximal cover portion 394 that locking ball 244,245 passes through locking sleeve 260
243 elastic force is mobile axially along the direction of arrow 282, until plug-in type tool discharges the locking ball 244,245 again.Institute
Stating locking ball then can be loaded into plug-in type tool lock in the lock position that the locking ball is attached in turn by locking sleeve 260
Only in instrument acceptance division 150.Therefore, plug-in type tool is pushed into instrument acceptance division 150 by user singlehandedly and is locked
Only in the instrument acceptance division, without utilizing the another hand of user individually to manipulate the locking sleeve thus
260。
Fig. 4 shows a kind of component 300, and the component has driven shaft 124, locking ball 244,245, locking sleeve 260, bullet
The relieving ring 241 of spring element 243, support ring 242 and Fig. 2, to illustrate the representative configuration scheme of these elements.
Claims (10)
1. a kind of hand held power machine (100) is configured with outfit lock sleeve with driven shaft (124) on the driven shaft
The instrument acceptance division (150) of cylinder (260), the instrument acceptance division have at least one interior receiving unit (290), for receiving insertion
Formula tool (170), and the instrument acceptance division is equipped at least one locking that can be loaded by the locking sleeve (260)
Element (244,245), wherein at least one described locking element (244,245), which is arranged in, is set to the instrument acceptance division
(150) penetrating in opening (247,246) on, at least to allow institute in the lockup state of the instrument acceptance division (150)
It states at least one locking element (244,245) to be at least cooperated to section in the interior receiving unit (290), which is characterized in that institute
State radial direction of at least one locking element (244,245) by the locking sleeve (260) along the instrument acceptance division (150)
The maximal cover portion (394) in direction is less than the least radius (288) for penetrating opening (247,246).
2. hand held power machine according to claim 1, which is characterized in that the instrument acceptance division (150) is arranged in institute
In the region for stating the end side (112) of the tool housing (110) of hand held power machine (100), wherein on the end side (112)
At least one axially projecting portion (298), the axially projecting court, portion are configured in the region for penetrating opening (247,246)
The direction of the locking sleeve (260) extend over the central axis (280) for penetrating opening (247,246).
3. hand held power machine according to claim 2, which is characterized in that the driven shaft (124) is in the end side
(112) it can be supported on to rotary motion in bearing element (270) in region, wherein the bearing element (270) constitutes institute
State at least one axially projecting portion (298).
4. hand held power machine according to claim 3, which is characterized in that the bearing element (270) is jewel.
5. hand held power machine according to any one of claim 2 to 4, which is characterized in that in the instrument acceptance division
(150) in lockup state, in the central axis (280) for penetrating opening (247,246) and the locking sleeve (260)
Predetermined spacing (296) are configured between axial rearward end portion (380), wherein the central axis (280) is closer to the end
Side (112) arrangement.
6. hand held power machine according to claim 5, which is characterized in that the predetermined spacing is at least 0.4mm.
7. hand held power machine according to any one of claim 1 to 4, which is characterized in that at least one described locking
Element (244,245) is locking ball (244,245).
8. hand held power machine according to claim 7, which is characterized in that the locking ball (244,245) has at least
The radius (388) of 1.75mm.
9. hand held power machine according to claim 7, which is characterized in that for the opening (247,246) of penetrating
Least radius (288) is less than the case where radius (388) of the locking ball (244,245), and the locking ball (244,245) passes through
The locking sleeve (260) is less than the lock along the maximal cover portion (394) of the radial direction of the instrument acceptance division (150)
The only radius (388) of ball (244,245).
10. hand held power machine according to any one of claim 1 to 4, which is characterized in that the locking sleeve
(260) spring element (243) being attached is along axial direction (281) springing being directed toward towards the hand held power machine (100)
Load.
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 CN104440802A (en) | 2015-03-25 |
| CN104440802B true 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) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848926B (en) * | 2017-11-30 | 2022-01-04 | 南京德朔实业有限公司 | Electric tool |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143440A (en) * | 2004-10-28 | 2008-03-19 | 株式会社牧田 | Electric power tool |
| CN103786136A (en) * | 2012-10-17 | 2014-05-14 | 罗伯特·博世有限公司 | Hand-held machine tool device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10241054A1 (en) * | 2002-09-05 | 2004-03-18 | Robert Bosch Gmbh | Tool holding area of hammer drill and matching tool, comprising specifically arranged corresponding wider and narrower sections |
| DE10334619A1 (en) * | 2003-07-30 | 2005-02-17 | Robert Bosch Gmbh | Tool holder, in particular quick-change chuck |
| DE202006014850U1 (en) | 2006-09-27 | 2006-11-23 | Robert Bosch Gmbh | Mechanical beater for manual machine tool has impact body mounted axially movable and rotationally secured on drive shaft and an elastomer axial stop as ring-shaped spring element also mounted on drive shaft |
| CN102548716B (en) * | 2009-08-28 | 2015-09-09 | 株式会社牧田 | Power tool |
| JP5722638B2 (en) * | 2010-09-28 | 2015-05-27 | 株式会社マキタ | Rechargeable power tool |
| JP5468570B2 (en) * | 2011-06-17 | 2014-04-09 | 株式会社マキタ | Impact tool |
-
2013
- 2013-09-18 DE DE201310218675 patent/DE102013218675A1/en active Pending
-
2014
- 2014-09-17 CN CN201410475095.2A patent/CN104440802B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143440A (en) * | 2004-10-28 | 2008-03-19 | 株式会社牧田 | Electric power tool |
| CN103786136A (en) * | 2012-10-17 | 2014-05-14 | 罗伯特·博世有限公司 | Hand-held machine tool device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013218675A1 (en) | 2015-03-19 |
| CN104440802A (en) | 2015-03-25 |
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