CN108789282A - Power tool - Google Patents
Power tool Download PDFInfo
- Publication number
- CN108789282A CN108789282A CN201710310002.4A CN201710310002A CN108789282A CN 108789282 A CN108789282 A CN 108789282A CN 201710310002 A CN201710310002 A CN 201710310002A CN 108789282 A CN108789282 A CN 108789282A
- Authority
- CN
- China
- Prior art keywords
- driving member
- output shaft
- slide bar
- power tool
- transmission output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
Abstract
The present invention relates to a kind of power tools, including shell, force piece, it can be by workpiece that force piece drives and the transmission mechanism that is connected between force piece and workpiece, force piece includes power output shaft, transmission mechanism includes the first driving member, transmission output shaft, second driving member, third driving member and slide bar, first driving member is set to power output shaft, second driving member and third driving member are sequentially connected respectively in the first driving member, second driving member and third driving member are rotationally sheathed on transmission output shaft, slide bar is not rotatable and is movably disposed in transmission output shaft and is respectively at first position and the second position with opposite transmission output shaft, slide bar can be non-rotatably connected to the second driving member and third driving member respectively.In this power tool, so that the power of the first driving member is transferred to transmission output shaft by the second driving member or third driving member respectively by slide bar, transmission output shaft can be made to have and realize different rotating speed and torque, to meet different duty requirements.
Description
Technical field
The present invention relates to a kind of power tools.
Background technology
Usually only a kind of output rotating speed of power tool and output torque.For example, chain saw is mainly used for lumbering as one kind
And producing material, the power tool of shear action is carried out using the L-shaped blade transverse movement on saw chain staggeredly, if only a kind of shelves
Position, then can not meet and cut the torque of different size of wood and the cutting demand of efficiency etc. simultaneously.
Invention content
Based on this, it is necessary to provide a kind of power tool for the power output that can meet a variety of torques and rotating speed.
A kind of power tool, including shell, force piece, the workpiece that can be driven by the force piece and be connected to described
Transmission mechanism between force piece and the workpiece, the force piece include power output shaft, and the transmission mechanism includes
First driving member, transmission output shaft, the second driving member, third driving member and slide bar, first driving member are set to the power
Output shaft, the transmission output shaft can the relatively described housing into rotation, second driving member and the third driving member pass respectively
Dynamic to be connected to first driving member, it is defeated that second driving member and the third driving member are rotationally sheathed on the transmission
Shaft, the slide bar is not rotatable and is movably disposed in the transmission output shaft and is respectively at the relatively described transmission output shaft
First position and the second position, when the slide bar is in the first position, the slide bar is non-rotatably connected to described
Two driving members, when the slide bar is in the second position, the slide bar is non-rotatably connected to the third driving member, institute
It states workpiece and is connected to the transmission output shaft.
In this power tool, transmission output shaft is slidingly disposed to be passed respectively with the second driving member or third by slide bar
Moving part connects, and the power of the first driving member is made to be transferred to transmission output shaft by the second driving member or third driving member respectively, leads to
The setting of different drive ratios is crossed, transmission output shaft can be made to have and realize different rotating speed and torque, to meet different operating mode need
It asks.
The slide bar is set between second driving member and the third driving member in one of the embodiments, institute
It states the second driving member and third driving member end face close to each other is equipped with latch, two opposing end surfaces of the slide bar are equipped with
With the latch of the latch of second driving member or third driving member cooperation.
The transmission mechanism further includes jackshaft, the 4th driving member and the 5th driving member, institute in one of the embodiments,
State jackshaft can the relatively described housing into rotation, the 4th driving member and the 5th driving member are both secured to the jackshaft
On, and the 4th driving member is sequentially connected in first driving member, the 4th driving member is passed with second driving member
Coordinate dynamicly, the 5th driving member drivingly coordinates with the third driving member.
The transmission mechanism further includes and relatively-stationary 6th transmission of the jackshaft in one of the embodiments,
Part, the 4th driving member are sequentially connected by the 6th driving member in first driving member, the 6th driving member with
First driving member drivingly coordinates.
The diameter ratio of the 4th driving member and second driving member is more than the described 5th in one of the embodiments,
The diameter ratio of driving member and the 4th driving member.
The diameter of the 6th driving member is more than the diameter of the 4th driving member in one of the embodiments,.
First driving member, second driving member, the third driving member, described in one of the embodiments,
4th driving member, the 5th driving member and the 6th driving member are gear.
The slide bar is equipped with handle portion in one of the embodiments,.
The workpiece includes work head and the 7th driving member, the 7th driving member in one of the embodiments,
Fixing sleeve is set on the transmission output shaft, and the work head is sequentially connected with the 7th driving member.
The power tool is chain saw in one of the embodiments,.
Description of the drawings
Fig. 1 is the floor map of the power tool of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the removal partial shell of power tool shown in Fig. 1；And
Fig. 3 is the sectional view at power tool A-A in Fig. 2.
Specific implementation mode
Specific embodiments of the present invention are described in detail below with reference to Figure of description, but the present invention can be with
The multitude of different ways for being defined by the claims and covering is implemented.
Please refer to Fig.1 to Fig.3, the power tool of one embodiment of the invention include shell 12, force piece 14, can be by force piece
The workpiece 16 of 14 drivings and the transmission mechanism being connected between force piece 14 and workpiece 16 (figure is not marked).Force piece 14
It can be set in shell 12 with transmission mechanism.Force piece 14 includes power output shaft 142, and transmission mechanism includes the first driving member
182, transmission output shaft 185, the second driving member 1852, third driving member 1854 and slide bar 1856, the first driving member 182 are set to dynamic
Power output shaft 142, transmission output shaft 185 can be rotated relative to shell 12, and the second driving member 1852 and third driving member 1854 are distinguished
It is sequentially connected in the first driving member 182, the second driving member 1852 and third driving member 1854 are rotationally sheathed on transmission output
Axis 185, slide bar 1856 is not rotatable and is movably disposed in transmission output shaft 185 and is respectively at opposite transmission output shaft 185
First position and the second position, when slide bar 1856 is in first position, slide bar 1856 is non-rotatably connected to the second driving member
1852, when slide bar 1856 is in the second position, slide bar 1856 is non-rotatably connected to third driving member 1854.Workpiece 16
It is connected to transmission output shaft 185.Specifically, the first driving member 182, the second driving member 1852 and third driving member 1854 can be
Gear.
In this power tool, by slide bar 1856 be slidingly disposed at transmission output shaft 185 with respectively with the second driving member
1852 or third driving member 1854 connect, so that the power of the first driving member 182 is passed respectively by the second driving member 1852 or third
Moving part 1854 is transferred to setting of the transmission output shaft 185 by different drive ratios, and transmission output shaft 185 can be made to have and realize difference
Rotating speed and torque, to meet different duty requirements.It is appreciated that in other embodiments, also may be used on transmission output shaft 185
The driving member of three or more is set, in this way, slide bar 1856, which corresponds to, is in three or more different locations, such transmission output shaft
185 exportable more different rotating speeds and torque, realize multi gear speed governing and/or adjust torque, meet more duty requirements.
In the present embodiment, slide bar 1856 is set between the second driving member 1852 and third driving member 1854, the second driving member
1852 and the end face close to each other of third driving member 1854 be equipped with latch, two opposing end surfaces of slide bar 1856 are equipped with and second passes
The latch of the latch of moving part 1852 or third driving member 1854 cooperation.Specifically, it is defeated to be slideably sheathed on transmission for slide bar 1856
On shaft 185.It is appreciated that slide bar 1856 and the second driving member 1852 and third driving member 1854 can also other modes match
It closes, as long as it can be non-rotatably connected to the second driving member 1852 or third driving member 1854, this will not be repeated here.
In the present embodiment, transmission mechanism further includes jackshaft 187, the 4th driving member 1873 and the 5th driving member 1875, in
Countershaft 187 can be rotated relative to shell 12, and the 4th driving member 1873 and the 5th driving member 1875 are both secured on jackshaft 187, and
4th driving member 1873 is sequentially connected in the first driving member 182, and the 4th driving member 1873 is drivingly matched with the second driving member 1852
It closes, the 5th driving member 1875 drivingly coordinates with third driving member 1854.In this way, realizing the transmission of the first driving member 182 and second
The drive connection of part 1852, third driving member 1854.Specifically, the 4th driving member 1873 and the 5th driving member 1875 can be tooth
Wheel, it will be understood that the cooperation between each driving member can also be the fit system of other transmissions in addition to gear engagement system, such as
Sprocket wheel transmission, belt transmission etc..
Further, transmission mechanism further includes and 187 relatively-stationary 6th driving member 1877 of jackshaft, the 4th driving member
1873 are sequentially connected by the 6th driving member 1877 in the first driving member 182, and the 6th driving member 1877 and the first driving member 182 pass
Coordinate dynamicly.Specifically, the 6th driving member 1877 can be gear.
In the present embodiment, the diameter ratio of the 4th driving member 1873 and the second driving member 1852 be more than the 5th driving member 1875 with
The diameter ratio of 4th driving member 1854.In this way, when slide bar 1856 is in first position, the second driving member 1852 is to workpiece
The 16 high rpm low torques of output are suitable for cutting small wood when power tool is chain saw；When slide bar 1856 is in the second position
When, third driving member 1854 exports slow-speed of revolution high torque to workpiece 16, when power tool is chain saw, is suitable for the big wood of cutting
Head.In the present embodiment, the diameter of the 6th driving member 1877 is more than the diameter of the 4th driving member 1873, to realize the transmission ratio needed
With convenient for each component of force piece 14 and transmission mechanism is arranged, structure is more compact.
In the present embodiment, slide bar 1856 is equipped with handle portion 18562, makes it in the second transmission in order to operate slide bar 1856
Switch between part 1852 and third driving member 1854.
In the present embodiment, workpiece 16 includes work head 162 and the 7th driving member 164,164 fixing sleeve of the 7th driving member
On transmission output shaft 185, work head 162 and the 7th driving member 164 are sequentially connected.Specifically, the 7th driving member 164 can be
Sprocket wheel.
It is appreciated that force piece 14 can be motor, hydraulic motor etc., as long as it can drive the rotation of the first driving member 182 i.e.
It can.
It is appreciated that jackshaft 187, the 4th driving member 1873, the 5th driving member 1875 and the 6th driving member 1877
Omit, in two different positions of diameter on the first driving member 182 be respectively set two gear teeth with respectively with the second driving member
1852 and third driving member 1854 coordinate.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of power tool, which is characterized in that including shell, force piece, can by workpiece that the force piece drives and
The transmission mechanism being connected between the force piece and the workpiece, the force piece include power output shaft, the biography
Motivation structure includes the first driving member, transmission output shaft, the second driving member, third driving member and slide bar, and first driving member is set
In the power output shaft, the transmission output shaft can the relatively described housing into rotation, second driving member and third biography
Moving part is sequentially connected respectively in first driving member, and second driving member and the third driving member are rotationally sheathed on
The transmission output shaft, the slide bar is not rotatable and is movably disposed in the transmission output shaft with the relatively described transmission output
Axis is respectively at first position and the second position, and when the slide bar is in the first position, the slide bar un-rotatably connects
It is connected to second driving member, when the slide bar is in the second position, the slide bar is non-rotatably connected to described
Three driving members, the workpiece are connected to the transmission output shaft.
2. power tool according to claim 1, which is characterized in that the slide bar is set to second driving member and described
Between third driving member, second driving member and third driving member end face close to each other are equipped with latch, the slide bar
Two opposing end surfaces be equipped with the latch coordinated with the latch of second driving member or the third driving member.
3. power tool according to claim 1, which is characterized in that the transmission mechanism further includes jackshaft, the 4th biography
Moving part and the 5th driving member, the jackshaft can the relatively described housing into rotation, the 4th driving member and the 5th driving members
It is both secured on the jackshaft, and the 4th driving member is sequentially connected in first driving member, the 4th driving member
Drivingly coordinate with second driving member, the 5th driving member drivingly coordinates with the third driving member.
4. power tool according to claim 3, which is characterized in that the transmission mechanism further includes and the jackshaft phase
To fixed 6th driving member, the 4th driving member is sequentially connected by the 6th driving member in first driving member,
6th driving member drivingly coordinates with first driving member.
5. power tool according to claim 4, which is characterized in that the 4th driving member and second driving member
Diameter is than the diameter ratio more than the 5th driving member and the 4th driving member.
6. power tool according to claim 4, which is characterized in that the diameter of the 6th driving member is more than the described 4th
The diameter of driving member.
7. power tool according to claim 4, which is characterized in that first driving member, second driving member, institute
It is gear to state third driving member, the 4th driving member, the 5th driving member and the 6th driving member.
8. power tool according to claim 1, which is characterized in that the slide bar is equipped with handle portion.
9. power tool according to claim 1, which is characterized in that the workpiece includes work head and the 7th transmission
Part, the 7th driving member fixing sleeve are set on the transmission output shaft, and the work head connects with the 7th driving member transmission
It connects.
10. power tool according to claim 1, which is characterized in that the power tool is chain saw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310002.4A CN108789282A (en) | 2017-05-05 | 2017-05-05 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710310002.4A CN108789282A (en) | 2017-05-05 | 2017-05-05 | Power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108789282A true CN108789282A (en) | 2018-11-13 |
Family
ID=64054578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710310002.4A Withdrawn CN108789282A (en) | 2017-05-05 | 2017-05-05 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789282A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616033Y (en) * | 2003-03-18 | 2004-05-19 | 黑龙江省海轮王农机制造有限公司 | Threshing machine blower speed-changing device |
| CN2936607Y (en) * | 2006-08-17 | 2007-08-22 | 苏州宝时得电动工具有限公司 | Speed regulating gearshifting device for electric tool |
| JP2013188947A (en) * | 2012-03-14 | 2013-09-26 | Hitachi Koki Co Ltd | Chain saw |
| CN104066557A (en) * | 2012-01-18 | 2014-09-24 | 日立工机株式会社 | Chainsaw |
| CN104675962A (en) * | 2013-11-29 | 2015-06-03 | 苏州宝时得电动工具有限公司 | Transmission mechanism of electric tool |
| CN104884207A (en) * | 2012-08-17 | 2015-09-02 | 喜利得股份公司 | Drive-in device having an effective drive |
| CN104948714A (en) * | 2014-03-31 | 2015-09-30 | 北京中家智铭设计有限公司 | High and low speed drive mechanism |
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
| CN206925810U (en) * | 2017-05-05 | 2018-01-26 | 苏州宝时得电动工具有限公司 | Power tool |
-
2017
- 2017-05-05 CN CN201710310002.4A patent/CN108789282A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2616033Y (en) * | 2003-03-18 | 2004-05-19 | 黑龙江省海轮王农机制造有限公司 | Threshing machine blower speed-changing device |
| CN2936607Y (en) * | 2006-08-17 | 2007-08-22 | 苏州宝时得电动工具有限公司 | Speed regulating gearshifting device for electric tool |
| CN104066557A (en) * | 2012-01-18 | 2014-09-24 | 日立工机株式会社 | Chainsaw |
| JP2013188947A (en) * | 2012-03-14 | 2013-09-26 | Hitachi Koki Co Ltd | Chain saw |
| CN104884207A (en) * | 2012-08-17 | 2015-09-02 | 喜利得股份公司 | Drive-in device having an effective drive |
| CN104675962A (en) * | 2013-11-29 | 2015-06-03 | 苏州宝时得电动工具有限公司 | Transmission mechanism of electric tool |
| CN104948714A (en) * | 2014-03-31 | 2015-09-30 | 北京中家智铭设计有限公司 | High and low speed drive mechanism |
| CN106090145A (en) * | 2016-08-04 | 2016-11-09 | 四川川龙拖拉机制造有限公司 | A kind of hillside tractor gearshift |
| CN206925810U (en) * | 2017-05-05 | 2018-01-26 | 苏州宝时得电动工具有限公司 | Power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |