CN206913086U - A kind of hand held power machine with centralising device - Google Patents
A kind of hand held power machine with centralising device Download PDFInfo
- Publication number
- CN206913086U CN206913086U CN201720806325.8U CN201720806325U CN206913086U CN 206913086 U CN206913086 U CN 206913086U CN 201720806325 U CN201720806325 U CN 201720806325U CN 206913086 U CN206913086 U CN 206913086U
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- China
- Prior art keywords
- planet carrier
- face
- main shaft
- slave unit
- hand held
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- 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.)
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- 238000005553 drilling Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims abstract description 7
- 230000004323 axial length Effects 0.000 claims description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling And Boring (AREA)
- Retarders (AREA)
Abstract
It the utility model is related to a kind of hand held power machine with centralising device, the main shaft of the hand held power machine one section away from tool heads is provided with the slave unit that can not be connected with the relative rotation with main shaft, the main shaft passes through slave unit, clamping body and the locating snap ring with the logical heart face of cylinder are supported on the housing of hand held power machine, solution lock section on planet carrier is engaged with the clamping body interval with the clamping face of the excircle positioned at slave unit, wherein, slave unit is provided with the centering piece of cylindrical projection shape towards the end face of planet carrier, planet carrier is away from the centring hole being provided with main shaft end face with centering piece mating reaction, the centring hole and the center drilling where carrying piece and solution lock section are coaxial, it is and coaxial with the centering piece.The utility model can greatly improve concentricity, and it is noise in toolroom machine use effectively to reduce hand-held.
Description
Technical field
Field of power tools is the utility model is related to, particularly a kind of hand held power machine with centralising device.
Background technology
Presently disclosed DE69921250T2, it is known that a kind of toolroom machine with motor, fixed in relative housing, circle
A lock spindle taking device is disposed in the chamber of cylindricality, the chamber includes the jackshaft of driving side, the lock spindle taking device bag
Include a prismatic slave unit.Cannelure is provided with the seamed edge of prism, the finger-like carrying piece being axially directed to is with week
It is scarfed to the gap on direction in these cannelures.Carrying piece is formed on countershaft-gear, in prismatic surface and cylindrical cavity
Or it is arranged between the inwall for the sleeve that in the chamber, relative housing is fixed and is provided with pinch roller.It is electronic in normal work
The torque of machine is delivered on countershaft-gear by little gear, and is delivered to from there through carrying piece on slave unit, should
Slave unit regularly coordinates on jackshaft.By jackshaft drive jackshaft little gear, the jackshaft little gear with it is driven
Gear engagement and therefore drive shaft.When the torque being delivered to by driven gear on jackshaft is more than countershaft-gear transmission
During torque, slave unit rotates relative to carrying piece in predetermined inner space, and pinch roller is in slave unit and phase
Apply clamping action between the cylindrical cavity fixed to housing so that the torque as caused by main shaft is supported on housing and blocked
Main shaft.
Another patent of invention CN102271869B, discloses a kind of shaft lock structure, wherein the clamping body of pinch roller stroke and
The locating snap ring for being enclosed in the pinch roller is directly engaged on towards on the section of main shaft, and is existed in circumferential direction in planet carrier
Stroke has a guide part towards main shaft end face for axially protruding past planet carrier between carrying piece, the guide part with it is prismatic
Take the rounded edge collective effect of ejector half profile portion.The seamed edge for taking ejector half profile portion with prism is rounded on slave unit
And the part face of one cylinder of stroke.The outer surface of the slave unit is made up of arc surface and plane, such spindle processing
Get up cumbersome, the coaxial precision of planet carrier and main shaft also needs to improve again in addition.
The content of the invention
The utility model proposes a kind of hand held power machine with centralising device, including rotatable shaft and planet carrier,
The planet carrier includes carrying piece, with a rotational direction really fixed gap transmit torque to one can not be relative with the main shaft
On the slave unit rotatably connected, the main shaft is supported on by slave unit, clamping body and with the locating snap ring on the face of cylinder
On the housing of the hand held power machine；The planet carrier include it is axially projecting in the planet carrier towards the main shaft end face
Solution lock section, the clamping face of excircle of the solution lock section with the clamping body and positioned at the slave unit is engaged；It is described
Carrying piece is circumferentially distributed on the center drilling of the planet carrier of plate-like, and the center drilling and the planet carrier are coaxial；It is described from
Dynamic component is provided with the centering piece of cylindrical projection shape towards the end face of the planet carrier, and the planet carrier is in the remote main shaft
End face is provided with the centring hole with the centering piece mating reaction, and the centring hole and the center drilling where the carrying piece are same
Axle, and it is coaxial with the centering piece.
According to further embodiment of the present utility model, the diameter of the centring hole is less than the straight of the center drilling
Footpath.
According to further embodiment of the present utility model, the axial length of the centering piece and the axial depth of centring hole
It is roughly the same.
According to another embodiment of the present utility model, a kind of hand held power machine with centralising device, including can revolve
Turn main shaft, planet carrier and second layer central gear, the planet carrier includes carrying piece, so that fixed gap will really in a rotational direction
Torque is delivered on a slave unit that can not be connected with the relative rotation with the main shaft, and the main shaft passes through slave unit, folder
Tight body and the locating snap ring with the face of cylinder are supported on the housing of the hand held power machine；The planet carrier includes axially projecting
In the solution lock section towards the main shaft end face of the planet carrier, the solution lock section is with the clamping body and positioned at the follower
The clamping face of the excircle of part is engaged；The carrying piece is circumferentially distributed on the center drilling of the planet carrier of plate-like, in described
Heart perforate and the planet carrier are coaxial；The second layer central gear is arranged on the planet carrier and end where the solution lock section
On the relative reverse side in face, the slave unit is provided with the centering piece of cylindrical projection shape towards the end face of the planet carrier, described
Second layer central gear is provided with the centring hole with the centering piece mating reaction on the side end face close to the main shaft, described
Centring hole and the second layer central gear are coaxial and coaxial with the centering piece.
According to further embodiment of the present utility model, the second layer central gear is close to the side of the main shaft
End face is provided with boss, and the centring hole is arranged on the boss.
According to further embodiment of the present utility model, the carrying piece and the solution lock section axially spaced-apart are distributed in disk
On the center drilling of the planet carrier of shape.
According to further embodiment of the present utility model, the carrying piece is circumferentially distributed in the center of the planet carrier of plate-like
In perforate, the solution lock section is diametrically separated by a certain distance with the carrying piece.
According to further embodiment of the present utility model, the axial cross section of the slave unit is equilateral hexagon.
According to further embodiment of the present utility model, the solution lock section and the clamping face on the slave unit are preferred
Diametrically there is certain distance.
By embodiment of the present utility model, concentricity can be greatly improved, centring hole and main shaft centering are set, is ensured
The axiality of main shaft and centring hole, while the gear assembly in planet carrier is installed also with the center of planet carrier i.e. centring hole
Centered on the heart, then the axiality of gear assembly and main shaft is also ensure that, and on the premise of axiality is greatly improved, effectively reduced
Noise in use.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is the part explosive view of one embodiment of the present utility model.
Fig. 2 is the planet carrier stereogram of one embodiment of the present utility model.
Fig. 3 is the main shaft part sectional view of the cordless power tool of one embodiment of the present utility model.
Fig. 4 is the part explosive view of another embodiment of the present utility model.
Fig. 5 is the planet carrier stereogram of another embodiment of the present utility model.
Fig. 6 is the main shaft part sectional view of the cordless power tool of another embodiment of the present utility model.
Fig. 7 is that axle of the present utility model locks released state schematic diagram.
Fig. 8 is that axle of the present utility model locks lock-out state schematic diagram.
Embodiment
A kind of hand held power machine with centralising device of the present embodiment, spindle shaft as shown in Figure 1 lock explosive view institute
Show, including rotatable shaft 1 and planet carrier 9.Main shaft 1 is provided with one end away from tool heads and can not rotated against with the main shaft 1
Slave unit 5, the preferably slave unit axial cross section is equilateral hexagon, and circumferencial direction is made up of multiple clamping faces.It is driven
Part is provided with the centering piece 6 with the cylindrical projection shape of slave unit 5 towards the end face of planet carrier 9, and the centering piece 6 can be fixed
And without relative motion on the end face of slave unit 5, can also be fixed and what can be rotated against be arranged on follower
On the end face of part 5.Main shaft 1 clamps face 4, clamping body 2 and the locating snap ring with the logical heart face of cylinder by slave unit 5 and thereon
7 are supported on the housing of hand held power machine.
As shown in Figures 2 and 3, planet carrier 9 includes carrying piece 11 and solution lock section 8, and wherein carrying piece 11 is with direction of rotation
On really fixed gap transmit torque to 5 on a slave unit that can not be connected with the relative rotation with the main shaft 1, solution lock section 8
It is axially projecting in planet carrier towards main shaft end face.The present embodiment is preferably provided with the 8 circumferentially-spaced distribution of carrying piece 11 and solution lock section
On the center drilling of the planet carrier 9 of plate-like, the center drilling and planet carrier 9 are coaxial.The shape of center drilling and slave unit 5
Shape it is roughly the same, three sides of wherein hexagon are arranged to carrying piece 11, and the other three extends outwardly until solution lock section 8
Outer face.The planet carrier can be with as shown in figure 5, set carrying piece 11 and solution lock section 8 to be circumferentially distributed in the planet carrier 9 of plate-like
On center drilling, the center drilling and planet carrier 9 are coaxial.The shape of center drilling is roughly the same with the shape of slave unit 5, its
Six sides of middle hexagon are disposed as carrying piece 11, and solution lock section 8 is set diametrically at a certain distance from carrying piece 11.
Planet carrier 9 is by carrying piece 11, and transmit torque to can not be relative with main shaft 1 for fixed gap really in a rotational direction
On the slave unit 5 rotatably connected.Solution lock section 8 is axially projecting in the end face towards main shaft 1 of planet carrier 9, when its with it is driven
When being assembled together on part, solution lock section 8 coordinates with clamping face 3, and being preferably provided with solution lock section 8 and clamping face 3 diametrically has
Certain distance, so mismatched with clamping face 3, then do not transmit moment of torsion, solution lock section 8 is there will be no stress generation, then solution lock section 8 is not
It is fragile.The set-up mode of preferable solution lock section and carrying piece for more than, herein accordingly, between solution lock section 8 and clamping body 2
Every be engaged with multiple clamping faces of the excircle positioned at slave unit.
The end face away from main shaft is provided with the centring hole 10 with the mating reaction of centering piece 6, the centring hole 10 in planet carrier 9
It is coaxial with center drilling, and the diameter of centring hole is less than the diameter of center drilling, axial length and the centring hole 10 of centering piece 6
Axial depth is roughly the same.
Clamping face is inserted into the center drilling of planet carrier 9 and to determine corresponding the taking of gap support planet carrier 9
On moving part 11, the determination gap allows planet carrier 9 and the rotary motion of the determination of the property taken of main shaft 1.In the folder of slave unit 5
Tight face 4 be provided with the row of pinch roller 2 into clamping body, they are in confined state by the locating snap ring 7 with center circle cylinder
Surround.
As shown in fig. 7, in normal work, as shown by arrows in FIG., torque is delivered to from planet carrier 9 by carrying piece 11
On the clamping face 4 of slave unit.As shown in figure 8, under special circumstances, as shown by arrows in FIG., planet carrier is delivered to from main shaft 1
Upper 9 torque exceedes the torque of driving, then clamps face by clamping body in the clamping face of main shaft and the hollow cylinder of locating snap ring
Established between face and clamp connection, so that the torque applied by main shaft is supported on the housing of drive device and the main shaft is locked
Only.
An embodiment of the present utility model, centring hole and main shaft centering are set in planet carrier, ensure main shaft and right
The axiality of mesopore, while the gear assembly in planet carrier is installed also using the center of the planet carrier i.e. center of centring hole in
The heart, then the axiality of gear assembly and main shaft is also ensure that, and on the premise of axiality is greatly improved, effectively reduced in use
Noise.
Another embodiment of the present utility model, as shown in figure 4, a kind of hand held power machine with centralising device includes
Rotatable shaft 1 and planet carrier 9.Main shaft 1 is provided with the follower that can not be rotated against with the main shaft 1 in one end away from tool heads
Part 5, preferably the slave unit axial cross section are equilateral hexagon, and circumferencial direction is made up of multiple clamping faces.Slave unit towards
The end face of planet carrier 9 is provided with the centering piece 6 with the cylindrical projection shape of slave unit 5, and the centering piece 6 can be fixed and without relative
Motion installed in the end face of slave unit 5 on, can also be fixation and can rotate against installed in the end face of slave unit 5
On.Main shaft 1 is supported on hand by slave unit 5 and clamping face thereon 4, clamping body 2 and with the locating snap ring 7 for leading to the heart face of cylinder
On the housing for holding formula toolroom machine.
As shown in Figure 2 and Figure 6, planet carrier 9 includes carrying piece 11 and solution lock section 8, and wherein carrying piece 11 is with direction of rotation
On really fixed gap transmit torque to 5 on a slave unit that can not be connected with the relative rotation with the main shaft 1, solution lock section 8
It is axially projecting in planet carrier towards main shaft end face.The present embodiment is preferably provided with the 8 circumferentially-spaced distribution of carrying piece 11 and solution lock section
On the center drilling of the planet carrier 9 of plate-like, the center drilling and planet carrier 9 are coaxial.The shape of center drilling and slave unit 5
Shape it is roughly the same, three sides of wherein hexagon are arranged to carrying piece 11, and the other three extends outwardly until solution lock section 8
Outer face.The planet carrier can be with as shown in figure 5, set carrying piece 11 and solution lock section 8 to be circumferentially distributed in the planet carrier 9 of plate-like
On center drilling, the center drilling and planet carrier 9 are coaxial.The shape of center drilling is roughly the same with the shape of slave unit 5, its
Six sides of middle hexagon are disposed as carrying piece 11, and solution lock section 8 is set diametrically at a certain distance from carrying piece 11.
Second layer central gear 13 is installed on reverse side relative with end face where solution lock section in planet carrier 9, the second layer
Central gear 13 is provided with the centring hole 14 with the mating reaction of centering piece 6, wherein centring hole 14 on the side end face close to main shaft 1
It is coaxial with second layer central gear 13 and coaxial with centering piece.The present embodiment is preferred, in second layer central gear close to main shaft
One side end face is provided with boss, and centring hole 14 is set on the boss.
As shown in fig. 6, when assembled, locating snap ring 7 is arranged on clamping face and the outside of clamping body, 9 sets of planet carrier
On slave unit, the planet carrier is axial arranged along main shaft with locating snap ring.Centering piece 6 passes through locating snap ring 7 and planet carrier 9, with
Centring hole 14 on second layer central gear 13 coordinates, and realizes that centering positions.
Another embodiment of the present utility model, set in centring hole and main shaft pair, protect on second layer central gear
The axiality of main shaft and centring hole, while the axiality of gear assembly and main shaft are demonstrate,proved, and on the premise of axiality is greatly improved,
Effectively reduce the noise in use.
More than two embodiments in, the face of clamping use same plane symmetric design, can be using polygon car during processing
Technique is processed, and substantially increases processing efficiency and machining accuracy.
To the disclosed embodiments, embodiment illustrated herein is not restricted to specifically.Made for the utility model
Any modification, equivalent substitution and improvements etc., the scope of protection of the utility model all should be belonged to.
Claims (9)
1. a kind of hand held power machine with centralising device, including rotatable shaft and planet carrier, the planet carrier includes taking
Moving part, with a rotational direction really fixed gap transmit torque to one can not be connected with the relative rotation with the main shaft it is driven
On part, the main shaft is supported on the hand held power machine by slave unit, clamping body and with the locating snap ring on the face of cylinder
Housing on；The planet carrier includes the axially projecting solution lock section towards the main shaft end face in the planet carrier, the solution
The clamping face of excircle of the lock section with the clamping body and positioned at the slave unit is engaged；The carrying piece is circumferentially distributed in
On the center drilling of the planet carrier of plate-like, the center drilling and the planet carrier are coaxial；It is characterized in that：The slave unit
The centering piece of cylindrical projection shape is provided with towards the end face of the planet carrier, the planet carrier is on the end face away from the main shaft
Provided with the centring hole with the centering piece mating reaction, the centring hole and the center drilling where the carrying piece are coaxial, and
It is coaxial with the centering piece.
A kind of 2. hand held power machine with centralising device according to claim 1, it is characterised in that：The centring hole
Diameter be less than the center drilling diameter.
A kind of 3. hand held power machine with centralising device according to claim 2, it is characterised in that：The centering piece
Axial length it is roughly the same with the axial depth of centring hole.
4. a kind of hand held power machine with centralising device, including rotatable shaft, planet carrier and second layer central gear, institute
Stating planet carrier includes carrying piece, with a rotational direction really fixed gap transmit torque to one can not relative rotation with the main shaft
On the slave unit for turning ground connection, the main shaft is supported on institute by slave unit, clamping body and with the locating snap ring on the face of cylinder
State on the housing of hand held power machine；The planet carrier include it is axially projecting in the planet carrier towards the main shaft end face
Solution lock section, the clamping face of excircle of the solution lock section with the clamping body and positioned at the slave unit are engaged；It is described to take
Moving part is circumferentially distributed on the center drilling of the planet carrier of plate-like, and the center drilling and the planet carrier are coaxial；Described second
Layer central gear is arranged on reverse side relative with end face where the solution lock section on the planet carrier, it is characterised in that：It is described
Slave unit is provided with the centering piece of cylindrical projection shape towards the end face of the planet carrier, and the second layer central gear is close
One side end face of the main shaft is provided with the centring hole with the centering piece mating reaction, and the centring hole and the second layer are too
Positive gear is coaxial, and coaxial with the centering piece.
A kind of 5. hand held power machine with centralising device according to claim 4, it is characterised in that：The second layer
Central gear is provided with boss on the side end face close to the main shaft, and the centring hole is arranged on the boss.
6. a kind of hand held power machine with centralising device according to any claim in claim 1 to 5, it is special
Sign is：On the center drilling for the planet carrier that the carrying piece and the solution lock section axially spaced-apart are distributed in plate-like.
7. a kind of hand held power machine with centralising device according to any claim in claim 1 to 5, it is special
Sign is：The carrying piece is circumferentially distributed on the center drilling of the planet carrier of plate-like, and the solution lock section exists with the carrying piece
Radially it is separated by a certain distance.
8. a kind of hand held power machine with centralising device according to any claim in claim 1 to 5, it is special
Sign is：The axial cross section of the slave unit is equilateral hexagon.
9. a kind of hand held power machine with centralising device according to any claim in claim 1 to 5, it is special
Sign is：The solution lock section preferably diametrically has certain distance with the clamping face on the slave unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806325.8U CN206913086U (en) | 2017-07-05 | 2017-07-05 | A kind of hand held power machine with centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720806325.8U CN206913086U (en) | 2017-07-05 | 2017-07-05 | A kind of hand held power machine with centralising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206913086U true CN206913086U (en) | 2018-01-23 |
Family
ID=61336129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720806325.8U Withdrawn - After Issue CN206913086U (en) | 2017-07-05 | 2017-07-05 | A kind of hand held power machine with centralising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206913086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139140A (en) * | 2017-07-05 | 2017-09-08 | 浙江格致工具有限公司 | A kind of hand held power machine with centralising device |
-
2017
- 2017-07-05 CN CN201720806325.8U patent/CN206913086U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139140A (en) * | 2017-07-05 | 2017-09-08 | 浙江格致工具有限公司 | A kind of hand held power machine with centralising device |
| CN107139140B (en) * | 2017-07-05 | 2024-03-19 | 永康市皇冠电动工具制造有限公司 | Hand-held power tool with centering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211022 Address after: 321300 No. 771 Xiangzhang West Avenue, Xicheng street, Yongkang City, Jinhua City, Zhejiang Province Patentee after: YONGKANG CROWN POWER TOOLS MANUFACTURE Co.,Ltd. Address before: 321017 first floor of plant 5, No. 418 Wenxi street, Jinpan development new area, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG GEZHI TOOLS Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180123 Effective date of abandoning: 20240319 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180123 Effective date of abandoning: 20240319 |