CN109476007A - hand-held power tool device - Google Patents
hand-held power tool device Download PDFInfo
- Publication number
- CN109476007A CN109476007A CN201780043225.7A CN201780043225A CN109476007A CN 109476007 A CN109476007 A CN 109476007A CN 201780043225 A CN201780043225 A CN 201780043225A CN 109476007 A CN109476007 A CN 109476007A
- Authority
- CN
- China
- Prior art keywords
- hand
- tool device
- machine tool
- rotary impact
- jackshaft
- Prior art date
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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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Power Tools In General (AREA)
- Drilling And Boring (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a hand-held power tool device having a drive unit (12 a; 12 b; 12c) with a drive shaft (14 a; 14 b; 14c), at least one rotary percussion mechanism (16 a; 16 b; 16c), and at least one cooling air unit (36 a; 36 b; 36c) having at least one fan wheel (38 a; 38 b; 38c) arranged between the drive unit (12 a; 12 b; 12c) and the rotary percussion mechanism (16 a; 16 b; 16 c). According to the invention, the fan wheel (38 a; 38 b; 38c) and the rotary percussion mechanism (16 a; 16 b; 16c) overlap at least partially in the axial direction (40 a; 40 b; 40 c).
Description
Background technique
It has proposed a kind of hand-held machine tool device, there is the driving unit with drive shaft, at least one rotation
Beater mechanism and at least one cooling air unit, which, which has, is arranged in driving unit and rotary impact mechanism
Between at least one blast fan.
Summary of the invention
The present invention relates to a kind of hand-held machine tool devices, have the driving unit with drive shaft, at least one rotation
Turn beater mechanism and at least one cooling air unit, which, which has, is arranged in driving unit and rotary impact machine
At least one blast fan between structure.
The present invention proposes that at least partially axially direction is overlapped for blast fan and rotary impact mechanism.
Within a context, " hand-held machine tool device " is it should be particularly understood that at least part of hand held power machine, outstanding
It is component.Hand-held machine tool device especially also may include whole hand held power machine.Here, hand held power machine can
To be configured to arbitrary machine, it is advantageously configured as motor, is more advantageously configured to rotary impact driver." driving unit " is outstanding
It is interpreted as being arranged for the unit for especially converting electrical energy into kinetic energy, especially rotation energy." setting " especially should be understood that
Specifically to program, designing and/or be equipped with." object setting is for determining function " should be particularly understood that the object is extremely
Meet and/or implement the determination function in a few application or operating status.Within a context, " rotary impact mechanism " especially manages
Solution is rushed to be arranged for for at least substantially continuous power output of driving unit being converted to impact the rotary pulsed of shape
Hit mechanism.Rotary impact mechanism especially can be structured as cam rotary impact mechanism or V-shaped groove formula rotary impact mechanism.
Herein, " cooling air unit " should be particularly understood that, with lower unit, the unit is cold with being arranged for generating
At least one component of air stream, such as in particular by means of the generation of negative pressure, by means of the negative-pressure ward for cooling air.It is cold
But air element has at least one blast fan for being arranged for generating cold air stream.Cooling air unit is especially arranged to
For keeping rotary impact mechanism and/or driving unit cooling.Cooling air unit is especially arranged to be driven by driving unit.It is cooling
The blast fan of air element is especially arranged in the drive shaft of driving unit.Driving unit is especially arranged for making fan leaf
Wheel is in rotary motion.
Within a context, at least two elements and/or unit " overlapping " are it should be especially appreciated that be the element and/or unit
It is at least partially disposed in the plane intersected with overlapped element and/or unit in the assembled state.Preferably, fan
Impeller in axial direction at least partly exceeds rotary impact mechanism.Axial direction especially at least substantially corresponds to driving unit
Drive shaft longitudinal extension." longitudinal extension " of object is it should be particularly understood that following direction, the direction are parallel to
Just entirely around the maximum lateral edges of the minimum geometry cuboid of the object.Within a context, blast fan is at least partly
Ground " exceeds " rotary impact mechanism, it should be especially appreciated that be, at least part of blast fan in axial direction extended, especially
At least one blast fan piece exceeds at least part of rotary impact mechanism.Blast fan especially have it is multiple along circumferential direction
The blast fan piece of arrangement, the blast fan piece overlap at least part of rotary impact mechanism along circumferential direction.Upper and lower
Wen Zhong, " circumferential direction " it should be particularly understood that circular direction, the midpoint of the circular direction is at least substantially arranged in rotary impact
At mechanism and/or the axis centre of blast fan.
By this kind of configuration, this hand-held machine tool device with advantageous architectural characteristic can be provided.Especially may be used
With the arrangement by blast fan and rotary impact organizational overlapping realize rotary impact mechanism advantageous compact structure type,
It is especially advantageous to obtain small structure length.The length of hand-held machine tool device is for example up to 200mm, is especially up to
160mm, especially it is up to 140mm, is particularly preferably up to 130mm.The length of hand-held machine tool device especially includes driving
Moving cell and rotary impact mechanism and instrument acceptance division.Furthermore it is possible to realize the advantageous cooling of rotary impact mechanism.
Moreover, it is proposed that rotary impact mechanism has at least one gear unit, wherein blast fan and gear unit are at least
Partly in axial direction it is overlapped.Transmission device is especially configured to planet gear transmission device." planet gear transmission device " is outstanding
It is interpreted as having at least one the planetary gear transmission device connecting with pinion frame, and the planetary gear is radially square
To being coupled inwardly with sun gear with gear ring and/or radially outwardly.Sun gear, planetary gear and/or gear ring especially can be with
It is formed by Knucle-gear or the non-round gear by mating with each other.Multiple planet gear transmission devices can engage with following one another
And/or multiple grades can be added between planetary gear and gear ring.Blast fan especially in axial direction at least partly exceeds
Transmission device.Blast fan especially exceeds at least one actuated element and/or at least one gear stage of gear unit.Thus may be used
To realize the so advantageous that effectively to cool down of gear unit.Furthermore, it is possible to realize the compactly advantageous of hand-held machine tool device
Structure type, especially advantageous structure length that must be small.
Moreover, it is proposed that rotary impact mechanism has at least one beater mechanism lid, the beater mechanism lid and gear unit
Gear ring constructs one-piece, wherein at least partially axially direction is overlapped for blast fan and at least beater mechanism lid.Upper and lower
Wen Zhong, " beater mechanism lid " is it should be particularly understood that cap member, the cap member are arranged for making rotary impact mechanism towards at least
The direction of one other hand held power machine unit is especially at least largely closed towards the direction of driving unit
Lock.Within a context, " at least largely " it should be particularly understood that at least up to 51%, preferably at least reach 65% and
Particularly preferably at least up to 75%.Beater mechanism lid especially has at least one through-going recess, which is arranged for
Make at least one axis, especially drive shaft at least partially through." gear ring " is it should be particularly understood that the biography with wheel rim (Kranz)
Moving gear, the wheel rim is with the shape of cylinder shell or with the shape design of the cylinder shell of interruption." single type " especially should be understood that
It is the connection that at least material is sealed, such as passes through welding process, bonding process, injection moulding process and/or other art technology
Personnel are considered as significant process, and/or, be interpreted as advantageously shaping in a component, such as by manufacture by casting and/
Or by advantageously being shaped with one pack system or multicomponent injection method and by the manufacture of single blank.Beater mechanism lid and tooth
Circle is especially at least formed substantially by metal material, preferably by metal sintered material.It is possible thereby to realize beater mechanism lid and with
Advantageous obtain of the gear ring of beater mechanism lid single type connection effectively cools down.Furthermore having for hand-held machine tool device may be implemented
Sharp structure type that must be compact, especially advantageous structure length that must be small.
Moreover, it is proposed that gear unit has at least one jackshaft, wherein blast fan and at least described jackshaft are at least
Partly in axial direction it is overlapped." jackshaft " should be particularly understood that the axis of power train, the axis are especially arranged in especially hand-held
Between the driving unit and driven shaft of formula toolroom machine.At least one described jackshaft is especially arranged for especially will be single by driving
The power and/or movement that member generates directly and/or indirectly are transmitted on driven shaft.Jackshaft is especially at least partly configured to
The construction of hand-held machine tool device is the pinion frame of the gear unit of planet gear transmission device.Jackshaft is especially at least
It is partly supported on inside beater mechanism lid." jackshaft is at least partially supporting inside beater mechanism lid " especially should be understood that
For the end of the driven shaft away from rotary impact mechanism of jackshaft can be rotated to support on inside beater mechanism lid.Upper and lower
Wen Zhong, " rotatably supporting " should be particularly understood that jackshaft is arranged for relative to beater mechanism lid at least in operation shape
Implement rotational motion in state.It is possible thereby to realize the advantageous cooling of the jackshaft of gear unit.Furthermore, it is possible to realize hand-held
The advantageous structure type that must be compact of machine tool device, especially advantageous structure length that must be small.
Moreover, it is proposed that gear unit has at least one midship shaft bearing, wherein blast fan and at least described jackshaft
At least partially axially direction is overlapped bearing.Within a context, " midship shaft bearing " is it should be particularly understood that transverse bearing, the diameter
It is arranged for rotatably supporting jackshaft to bearing.Midship shaft bearing is disposed directly upon the through-going recess of beater mechanism lid
On.Midship shaft bearing is especially arranged on the side of the driven shaft towards rotary impact mechanism of beater mechanism lid.Jackshaft axis
It holds especially it is so structured that sliding bearing or rolling bearing.Preferably, midship shaft bearing can be structured as rolling bearing, such as structure
It makes as ball bearing, roller bearing or needle bearing.Preferably, midship shaft bearing is at least partially disposed at rotary impact mechanism
Inside beater mechanism lid.Beater mechanism lid especially has at least one bearing receiving unit, which is arranged for connecing
Receive midship shaft bearing.Within a context, " bearing receiving unit " is it should be particularly understood that the area at least partly constructed by beater mechanism lid
Domain, the region are arranged for the fixed arrangement in position of the midship shaft bearing inside beater mechanism lid.Bearing receiving unit is especially
It is constructed one-piece with beater mechanism lid.Bearing receiving unit is especially arranged in the region of the through-going recess of beater mechanism lid.Axis
Receiving unit is held especially at least to construct to part hollow cylindricality.Bearing receiving unit especially has on the end away from beater mechanism lid
For midship shaft bearing, at least substantially annular stop element.Stop element especially with bearing receiving unit structure one-piece
It makes.The interior diameter of bearing receiving unit especially at least substantially corresponds to the overall diameter of midship shaft bearing.Preferably, bearing passes through pressure
Cooperation is fixed in bearing receiving unit." press-fit " should be particularly understood that the connection of force closure, the connection may be embodied as transverse direction
And/or longitudinal pressing.Here, " connection of force closure " should be particularly understood that releasable connection, wherein between the two components
Retentivity preferably pass through frictional force between components transmitting.It is possible thereby to realize the advantageous cooling of midship shaft bearing.This
Outside, advantageous structure type that must be compact, the especially advantageous structure length that must be small of hand-held machine tool device may be implemented.
Moreover, it is proposed that driving unit has at least one without shell motor.Preferably, drive shaft construction is no shell motor
Armature shaft.It is possible thereby to realize the so advantageous that effectively to cool down of driving unit.Furthermore, it is possible to realize hand-held machine tool device
Advantageous compact structure type, especially advantageous small structure length.
In addition, proposing the hand held power machine, especially at least one hand-held machine tool device according to the present invention
It is rotary impact driver.It is possible thereby to provide advantageous hand held power machine that must be compact, especially advantageous rotation that must be compact
Impact driver machine.Hand held power machine especially can have advantageous structure length that must be small.
Herein, hand-held machine tool device according to the present invention should not be limited to application recited above and embodiment party
Formula.Hand-held machine tool device according to the present invention for meeting working principle described here especially can have each member
The quantity different from quantity mentioned herein of part, component and unit.
Detailed description of the invention
Other advantages are obtained by following Detailed description of the invention.Three embodiments of the invention are shown in the accompanying drawings.Attached drawing, explanation
Book and claim include multiple features in combination.Those skilled in the art also comply with destination and individually observe the feature simultaneously
And it is summarized as other significant combinations.
Attached drawing is shown:
Fig. 1 is configured to the schematic section cross-sectional view of the hand held power machine of rotary impact driver,
The section view of the hand-held machine tool device with driving unit and rotary impact mechanism of Fig. 2 hand held power machine
Figure,
The perspective representation of the jackshaft of hand-held machine tool device in Fig. 3 Fig. 2,
The cross-sectional view of jackshaft in Fig. 4 Fig. 3,
Planetary gear receiving unit is worked into the schematic representation in jackshaft by Fig. 5,
The front view of Fig. 6 hand held power machine,
The cross-sectional view of Fig. 7 hand held power machine,
The cross-sectional view of the hand-held machine tool device of Fig. 8 substitution, and
The cross-sectional view of the hand-held machine tool device of another substitution of Fig. 9.
Specific embodiment
Fig. 1 illustrates the hand held power machine 34a for being configured to rotary impact driver with schematic section section view.Hand-held
Toolroom machine 34a is configured to the rotary impact driver of storage battery power supply.Hand held power machine 34a includes perpendicular to hand-held tool
The setting of machine 34a is used to receive the handle of the rotation axis 84a of the instrument acceptance division 86a of plug-in type tool (being not shown here)
80.Handle 80a includes the battery receiving unit 90a on the side 88a away from hand held power machine 34a.Battery receiving unit
90a is arranged for receiving the secondary battery unit 92a of the energy supply for hand held power machine 34a.
In addition, hand held power machine 34a has the hand-held tool with driving unit 12a and rotary impact mechanism 16a
Machine device 10a.Fig. 2 is shown in section view hand-held machine tool device 10.Hand-held machine tool device 10a has drive shell
72a and beater mechanism shell 74a (referring to Fig. 1).Drive shell 72a is at least substantially completely around driving unit 12a.Impact
Mechanism shell 74a is at least substantially completely around rotary impact mechanism 16a (referring to Fig. 1).Driving unit 12a be configured to by
Give the electric drive unit of electric energy in secondary battery unit 92a confession.For driving unit 12a with no shell motor 26a, this is electronic without shell
Machine is arranged for, and the electric energy provided by secondary battery unit 92a is converted to rotation energy.Motor 26a is configured to open electricity
Motivation, the component of motor 26a is individually supported in drive shell 72a in the open motor.In addition, driving unit
12a has drive shaft 14a, which is arranged for, and rotation can be transmitted on rotary impact mechanism 16a.Drive shaft 14a
It is formed completely by the armature shaft 28a of no shell motor 26a.Armature shaft 28a is implemented one-piece.Rotary impact mechanism 16a construction
For V-shaped groove formula rotary impact mechanism.Rotary impact mechanism 16a is arranged for, by the continuous power output of driving unit 12a
It is converted into the rotary pulsed of impact shape.The power of driving unit 12a by the impactor 96a of rotary impact mechanism 16a by means of
The pulse of high power intensity and generate the impact on the corresponding anvil 100a of slave spindle 15a to be transferred to plug-in type tool.?
In shown embodiment, anvil 100a is constructed one-piece with slave spindle 15a and instrument acceptance division 86a.Impactor 96a this
Sample is supported, and makes it possible to realize axial movement and radial motion.The control of axial movement by V-shaped groove 98a (referring to Fig. 3) and
Follower ball 97a (referring to Fig. 1).Spring 138a is responsible for the resetting movement of impactor 96a.
Rotary impact mechanism 16a has jackshaft 18a, which at least substantially orients to driven in registry axis 14a.This
Outside, hand-held machine tool device 10a has at least one bearing 20a for supporting drive shaft 14a.Bearing 20a is at least partly
Ground is arranged in the plane 22a intersected with jackshaft 18a, which moves towards with being at least substantially orthogonal to jackshaft 18a.Driving
Axis 14a is at least partially supporting inside jackshaft 18a.Jackshaft 18a, which has, receives groove 24a, which is arranged to
For at least partly receiving drive shaft 14a.Groove 24a is received at least substantially along the rotation axis 108a of jackshaft 18a
Extend.Drive shaft 14a is at least partly reached in jackshaft 18a in the assembled state, and the reception for especially reaching jackshaft 18a is recessed
In slot 24a.Bearing 20a for supporting drive shaft 14a, which is arranged in, to be received inside groove 24a.For supporting the axis of drive shaft 14a
It holds 20a and is configured to rolling bearing.In addition, jackshaft 18a has sealing element receiving unit 30a.Sealing element receiving unit 30a is direct
It is arranged on the importing opening 136a of the reception groove 24a of jackshaft 18a, importing opening is arranged for drive shaft 14a
It imported into jackshaft 18a.In addition, jackshaft 18a, which has, is arranged at least one of sealing element receiving unit 30a sealing member
Part 32a.Sealing element 32a is configured to Simmer ring, is especially configured to radial shaft seal ring, and the Simmer ring is in the assembled state
It is arranged between drive shaft 14a and jackshaft 18a.Sealing element receiving unit 30a is configured to Simmer ring receiving unit.For supporting
The other bearing 102a of drive shaft 14a be arranged in the motor 26a in drive shell 72a away from instrument acceptance division 86a
On the 104a of side.
In addition, hand-held machine tool device 10a has cooling air unit 36a, which includes being arranged in
At least one blast fan 38a between driving unit 12a and rotary impact mechanism 16a.Blast fan 38a is especially arranged to use
In cooling air stream of the generation for keeping rotary impact mechanism 16a and/or driving unit 12a cooling.Blast fan 38a anti-torsion
Ground is arranged on the drive shaft 14a of driving unit 12a.Driving unit 12a is arranged for, and makes blast fan 38a in hand-held
During the operation of toolroom machine 34a in rotary motion.Blast fan 38a and rotary impact mechanism 16a are at least partly along axis
It is overlapped to direction 40a.Preferably, in axial direction 40a at least partly exceeds rotary impact mechanism 16a to blast fan 38a.Wind
Vane wheel 38a has multiple blast fan piece 110a arranged along circumferential direction, and the blast fan piece overlaps along circumferential direction
At least part of rotary impact mechanism 16a.At least substantially in axial direction 40a extends blast fan piece 110a.Rotation punching
Hitting mechanism 16a has at least one gear unit 42a for being configured to single-pinion planetary gear transmission device 50a.It is driven for supporting
The bearing 20a of axis 14a be arranged in planet gear transmission device 50a on the side of driving unit 12a.In drive shaft 14a
Engaging section 144a between planet gear transmission device 50a is arranged between bearing 20a and bearing 102a.Alternatively, it is driven
Unit 42a can be structured as multistage planetary gear transmission device.Preferably, the blast fan 38a and at least described gear unit 42a
At least partially axially direction 40a is overlapped.Planet gear transmission device 50a includes at least one gear ring 46a.In addition, rotation
Beater mechanism 16a includes beater mechanism lid 44a.Beater mechanism lid 44a is arranged in driving unit 12a and planet gear transmission device
Between 50a.Beater mechanism lid 44a be especially arranged for making rotary impact mechanism 16a towards the direction of driving unit 12a at least
Largely it is blocked.Beater mechanism lid 44a has through-going recess 106a, which is arranged at least making to drive
Moving axis 14a at least partially through.Beater mechanism lid 44a is constructed one-piece with gear ring 46a.Beater mechanism lid 44a and gear ring
46a is at least substantially made of a kind of metal material, is especially made of metal sintered material.Preferably, blast fan 38a and extremely
Shaochong hits mechanism cover 44a, and at least partially axially direction 40a is overlapped.
Hand-held machine tool device 10 also has the midship shaft bearing 48a for supporting jackshaft 18a.Midship shaft bearing
48a is configured to rolling bearing.Alternatively, midship shaft bearing 48a can be structured as sliding bearing.Midship shaft bearing 48a is configured to
Transverse bearing, the transverse bearing are arranged for can be rotated to support on jackshaft 18a in beater mechanism lid 44a.Jackshaft
Bearing 48a is at least partially disposed at the inside of the beater mechanism lid 44a of rotary impact mechanism 16a.Midship shaft bearing 48a is direct
It is arranged on the through-going recess 106a of beater mechanism lid 44a.Midship shaft bearing 48a be arranged in beater mechanism lid 44a towards work
On the side for having receiving unit 86a.Beater mechanism lid 44a has at least one bearing receiving unit 52a, which is arranged to
For receiving midship shaft bearing 48a.Bearing receiving unit 52a is constructed one-piece with beater mechanism lid 44a.Bearing receiving unit 52a
It is arranged in the region of the through-going recess 106a of beater mechanism lid 44a.Bearing receiving unit 52a at least substantially hollow cylindrical ground structure
It makes.Bearing receiving unit 52a has for midship shaft bearing 48a at least substantially on the end away from beater mechanism lid 44a
The stop element 112a of annular.Stop element 112a is constructed one-piece with bearing receiving unit 52a.Bearing receiving unit 52a's is interior
Diameter at least substantially corresponds to the overall diameter of midship shaft bearing 48a.Preferably, midship shaft bearing 48a is fixed by press-fit
In bearing receiving unit 52a.Preferably, blast fan 38a and at least midship shaft bearing 48a and/or jackshaft 18a be at least partly
In axial direction 40a is overlapped on ground.
Fig. 3 shows jackshaft 18a with perspective representation.Fig. 4 illustrates jackshaft with the section view along cutting plane III-III
18a.Jackshaft 18a is configured to the pinion frame 94a of planet gear transmission device 50a.Jackshaft 18a has along circumferential direction
Multiple planetary gear receiving unit 54a, 56a, 58a and planetary gear supporting portion 60a, 62a, 64a of arrangement.In each planet tooth
It is respectively disposed with a planetary gear 130a in wheel receiving unit 54a, 56a, 58a, the planetary gear is rotatable by means of pin 132a
Ground is supported.Jackshaft 18a has at least on its outer periphery at least in the region of at least one planetary gear supporting portion
One material notch 66a, 68a, 70a.The quantity of material notch 66a, 68a, 70a corresponding to planetary gear receiving unit 54a, 56a,
The quantity of 58a.Each planetary gear receiving unit 54a, 56a, 58a are just associated with material notch 66a, 68a, a 70a.It is intermediate
Axis 18a have be respectively provided with planetary gear supporting portion 60a, 62a, a 64a three planetary gear receiving unit 54a, 56a,
58a.Planetary gear supporting portion 60a, 62a, 64a are at least substantially arranged in 120 ° with missing one another along circumferential direction respectively
On jackshaft 18a.Planetary gear receiving unit 54a, 56a, 58a passes through for the longitudinal extension 122a of jackshaft 18a
The partition 124a radially extended is separated from each other.It is observed along the longitudinal extension 122a of jackshaft 18a, planetary gear receiving unit
54a, 56a, 58a pass through wall elements 126a, 128a limit of two dish types, and the wall elements are at least substantially orthogonal to longitudinal prolong
It arranges with stretching direction 122a.Wall elements 126a, 128a are at least substantially circularly constructed.Wall elements 126a, 128a and jackshaft
18a is constructed one-piece.Material notch 66a, 68a, 70a are at least substantially constructed to circular segment.Planetary gear receiving unit 54a,
56a, 58a at least substantially fan cylindricalityGround construction.Material notch 66a, 68a, 70a is added
Work is into a wall elements in wall elements 126a, 128a.Material notch 66a, 68a, 70a are machined into wall elements 126a,
The wall elements are arranged in the assembled state of jackshaft 18a towards the direction of driving unit 12a.Wall elements 126a, 128a have
At least substantially identical radius.Alternatively, a wall elements in described wall elements 126a, 128a can have lesser half
Diameter.
Material notch 66a, 68a, 70a during manufacturing between axis 18a when be arranged for temporarily at least partly receiving milling
Head main shaft 78a (referring to Fig. 5).Planetary gear receiving unit 54a, 56a, 58a is worked into jackshaft 18a by means of disc milling cutter 134a
Blank in.And when processing planetary gear receiving unit 54a, 56a, 58a, the milling head main shaft 78a of disc milling cutter 134a is by least
It is partly introduced into material notch 66a, 68a, 70a.Preferably, planetary gear receiving unit 54a, 56a, 58a are in Same Way
It is at least substantially simultaneously worked into jackshaft 18a in step, in particular by means of multiple identical disc milling cutter 134a.Disk
Shape milling cutter 134a is directed in this way on jackshaft 18a, so that milling head main shaft 78a is at any point in time at least substantially parallel in
Between axis 18a longitudinal extension 122a move towards.
Fig. 6 shows hand held power machine 34a with front view.Fig. 7 shows hand held power machine 34a along transversal VI-VI's
Cross-sectional view.The gear ring 46a of planet gear transmission device 50a is clamped between drive shell 72a and beater mechanism shell 74a.It drives
Dynamic shell 72a and beater mechanism shell 74a has clamping face 114a, which reclines from opposite side respectively in the assembled state
On at least one face 116a of gear ring 46a and clamping force is applied on gear ring 46a by the clamping face respectively.Gear ring 46a is borrowed
Help at least one bolt element 76a, be fixed on drive shell 72a preferably by means of at least one bolt.Gear ring 46a example
Fixed by four bolt element 76a to property.Gear ring 46a has groove 118a on outer periphery, and the groove is arranged for
Pass through bolt element 76a.Drive shell 72a has the thread groove of quantity corresponding with the quantity of bolt element 76a
120a, the thread groove have screw thread corresponding with the screw thread of bolt element 76a.Drive shell 72a, beater mechanism shell
74a and gear ring 46a is connected with each other by means of bolt element 76a in the assembled state, wherein gear ring 46a is arranged in drive shell
Between 72a and beater mechanism shell 74a.Alternatively or additionally, gear ring 46a can be by means of at least one bolt element 76a
It is fixed on beater mechanism shell 74a.
Another embodiment of the present invention is shown in figs. 8 and 9.Following description and drawings be essentially limited to embodiment it
Between difference, wherein can also join in principle about the component of same names, especially with respect to the component with same reference numerals
According to other embodiment, the attached drawing of especially Fig. 1 to 7 and/or explanation.In order to distinguish embodiment, alphabetical a is placed in Fig. 1 to 7
Embodiment appended drawing reference behind.In the embodiment of Fig. 1 to 7, alphabetical a is substituted by letter b to c.
Fig. 8 is shown in section view the alternate configuration of hand-held machine tool device 10b.Hand-held machine tool device 10b has
Driving unit 12b and rotary impact mechanism 16b with planet gear transmission device 50b.Driving unit 12b is electronic with no shell
Machine 26b, this is arranged for converting electrical energy into rotation energy without shell motor.Motor 26b is configured to open motor.This
Outside, driving unit 12b has drive shaft 14b, which, which is arranged for rotate, can be transmitted to rotary impact mechanism 16b
On.Drive shaft 14b is partly formed by the armature shaft 28b of no shell motor 26b.
Rotary impact mechanism 16b has jackshaft 18b, which at least substantially orients to driven in registry axis 14b.This
Outside, hand-held machine tool device 10b has at least one bearing 20b for supporting drive shaft 14b.At least portion drive shaft 14b
It is supported on inside jackshaft 18b with dividing.Jackshaft 18b, which has, receives groove 24b, which is arranged at least partly
Ground receives drive shaft 14b.Bearing 20b is directly arranged on the importing opening 136b of the reception groove 24b of jackshaft 18b, this is led
Enter opening to be arranged for for drive shaft 14b importeding into jackshaft 18b.Bearing 20b for supporting drive shaft 14b is arranged in
On the side towards driving unit 12b of planet gear transmission device 50b.Bearing 20b is configured to rolling bearing.
Fig. 9 is shown in section view the alternate configuration of hand-held machine tool device 10c.Hand-held machine tool device 10c has
Driving unit 12c and rotary impact mechanism 16c with planet gear transmission device 50c.Driving unit 12c is electronic with no shell
Machine 26c, this is arranged for converting electrical energy into rotation energy without shell motor.Motor 26c is configured to open motor.This
Outside, driving unit 12c has drive shaft 14b, which, which is arranged for rotate, can be transmitted to rotary impact mechanism 16c
On.Drive shaft 14c is partly formed by the armature shaft 28c of no shell motor 26c.
Rotary impact mechanism 16c has jackshaft 18c, which at least substantially orients to driven in registry axis 14c.This
Outside, hand-held machine tool device 10c has at least one bearing 20c for supporting drive shaft 14c.At least portion drive shaft 14c
It is supported on inside jackshaft 18c with dividing.Jackshaft 18c, which has, receives groove 24c, which is arranged at least partly
Ground receives drive shaft 14c.Bearing 20c is directly arranged on the importing opening 136c of the reception groove 24c of jackshaft 18c, this is led
Enter opening to be arranged for for drive shaft 14c importeding into jackshaft 18c.Bearing 20c for supporting drive shaft 14c is arranged in
On the side towards driving unit 12c of planet gear transmission device 50c.Bearing 20c is configured to ball bearing.In addition, hand-held
Machine tool device 10c has sealing ring 140c, which surrounds bearing 20c along circumferential direction and the sealing ring is arranged in axis
It holds between the interior diameter of reception groove 24c of 20c and jackshaft 18c.Jackshaft 18c has slot 142c, which is arranged for
Receive sealing ring 140c.
Claims (11)
1. hand-held machine tool device has with drive shaft (14a；14b；Driving unit (12a 14c)；12b；12c), extremely
A few rotary impact mechanism (16a；16b；16c) and at least one cooling air unit (36a；36b；36c), the cooling air
Unit, which has, is arranged in the driving unit (12a；12b；12c) and the rotary impact mechanism (16a；16b；Between 16c)
At least one blast fan (38a；38b；38c), which is characterized in that the blast fan (38a；38b；38c) and the rotation
Beater mechanism (16a；16b；16c) at least partially axially direction (40a；40b；40c) it is overlapped.
2. hand-held machine tool device according to claim 1, which is characterized in that the blast fan (38a；38b；
38c) in axial direction (40a；40b；40c) at least partly exceed the rotary impact mechanism (16a；16b；16c).
3. hand-held machine tool device according to claim 1 or 2, which is characterized in that the rotary impact mechanism (16a；
16b；16c) there is at least one gear unit (42a；42b；42c), wherein the blast fan (38a；38b；38c) and institute
State gear unit (42a；42b；42c) at least partially axially direction (40a；40b；40c) it is overlapped.
4. hand-held machine tool device according to claim 3, which is characterized in that the rotary impact mechanism (16a；
16b；16c) there is at least one beater mechanism lid (44a；44b；44c), the beater mechanism lid and the gear unit (42a；
42b；Gear ring (46a 42c)；46b；It 46c) constructs one-piece, wherein the blast fan (38a；38b；38c) and at least
Beater mechanism lid (the 44a；44b；44c) at least partially axially direction (40a；40b；40c) it is overlapped.
5. hand-held machine tool device according to claim 3 or 4, which is characterized in that the gear unit (42a；42b；
42c) there is at least one jackshaft (18a；18b；18c), wherein the blast fan (38a；38b；It is 38c) and at least described
Jackshaft (18a；18b；18c) at least partially axially direction (40a；40b；40c) it is overlapped.
6. the hand-held machine tool device according to any one of claim 3 to 5, which is characterized in that the transmission is single
Member (42a；42b；42c) there is at least one midship shaft bearing (48a；48b；48c), wherein the blast fan (38a；38b；
38c) and at least described midship shaft bearing (48a；48b；48c) at least partially axially direction (40a；40b；40c) it is overlapped.
7. hand-held machine tool device according to claim 6, which is characterized in that the midship shaft bearing (48a；48b；
48c) it is at least partially disposed at the rotary impact mechanism (16a；16b；Beater mechanism lid (44a 16c)；44b；In 44c)
Portion.
8. hand-held machine tool device according to any one of the preceding claims, which is characterized in that the driving unit
(12a；12b；12c) have at least one without shell motor (26a；26b；26c).
9. hand-held machine tool device according to claim 8, which is characterized in that the drive shaft (14a；14b；14c)
It is configured to the no shell motor (26a；26b；Armature shaft (28a 26c)；28b；28c).
10. hand-held machine tool device according to any one of the preceding claims, which is characterized in that the hand-held work
The length of tool machine device is up to 200mm, is especially up to 160mm, is especially up to 140mm, is particularly preferably up to
130mm。
11. hand held power machine has at least one hand held power machine dress according to any one of the preceding claims
Set (10a；10b；10c).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016212570.2 | 2016-07-11 | ||
| DE102016212570 | 2016-07-11 | ||
| DE102017211773.7 | 2017-07-10 | ||
| DE102017211773.7A DE102017211773A1 (en) | 2016-07-11 | 2017-07-10 | Hand machine tool device |
| PCT/EP2017/067399 WO2018011204A2 (en) | 2016-07-11 | 2017-07-11 | Hand-held power tool device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109476007A true CN109476007A (en) | 2019-03-15 |
| CN109476007B CN109476007B (en) | 2022-10-28 |
Family
ID=60676443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780043225.7A Active CN109476007B (en) | 2016-07-11 | 2017-07-11 | Hand-held machine tool device |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3481596B1 (en) |
| CN (1) | CN109476007B (en) |
| DE (1) | DE102017211773A1 (en) |
| WO (1) | WO2018011204A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001477A (en) * | 2019-12-19 | 2021-06-22 | 罗伯特·博世有限公司 | Hand-held power tool with finger guard |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3514407A1 (en) * | 2018-01-23 | 2019-07-24 | Milwaukee Electric Tool Corporation | Power tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020094907A1 (en) * | 2001-01-12 | 2002-07-18 | Elger William A. | Gear assembly for a power tool |
| US20120279736A1 (en) * | 2009-07-29 | 2012-11-08 | Hitachi Koki Co., Ltd. | Impact tool |
| CN102848357A (en) * | 2011-07-01 | 2013-01-02 | 株式会社牧田 | Impact tool |
| CN102950585A (en) * | 2011-08-09 | 2013-03-06 | 株式会社牧田 | Hitting tool |
| US20130075121A1 (en) * | 2010-03-08 | 2013-03-28 | Hitachi Koki Co., Ltd. | Impact tool |
| CN104339324A (en) * | 2013-08-08 | 2015-02-11 | 株式会社牧田 | Impact tool |
| WO2015122539A1 (en) * | 2014-02-17 | 2015-08-20 | 株式会社マキタ | Dust collector and work tool provided with dust collector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB699051A (en) * | 1951-10-02 | 1953-10-28 | Independent Pneumatic Tool Co | Improvements in or relating to rotary impact tools |
-
2017
- 2017-07-10 DE DE102017211773.7A patent/DE102017211773A1/en not_active Withdrawn
- 2017-07-11 CN CN201780043225.7A patent/CN109476007B/en active Active
- 2017-07-11 EP EP17748406.0A patent/EP3481596B1/en active Active
- 2017-07-11 WO PCT/EP2017/067399 patent/WO2018011204A2/en not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020094907A1 (en) * | 2001-01-12 | 2002-07-18 | Elger William A. | Gear assembly for a power tool |
| US20120279736A1 (en) * | 2009-07-29 | 2012-11-08 | Hitachi Koki Co., Ltd. | Impact tool |
| US20130075121A1 (en) * | 2010-03-08 | 2013-03-28 | Hitachi Koki Co., Ltd. | Impact tool |
| CN102848357A (en) * | 2011-07-01 | 2013-01-02 | 株式会社牧田 | Impact tool |
| CN102950585A (en) * | 2011-08-09 | 2013-03-06 | 株式会社牧田 | Hitting tool |
| CN104339324A (en) * | 2013-08-08 | 2015-02-11 | 株式会社牧田 | Impact tool |
| WO2015122539A1 (en) * | 2014-02-17 | 2015-08-20 | 株式会社マキタ | Dust collector and work tool provided with dust collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001477A (en) * | 2019-12-19 | 2021-06-22 | 罗伯特·博世有限公司 | Hand-held power tool with finger guard |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018011204A2 (en) | 2018-01-18 |
| CN109476007B (en) | 2022-10-28 |
| EP3481596A2 (en) | 2019-05-15 |
| EP3481596B1 (en) | 2023-07-05 |
| DE102017211773A1 (en) | 2018-01-11 |
| WO2018011204A3 (en) | 2018-03-08 |
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