CN206925810U - Power tool - Google Patents
Power tool Download PDFInfo
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- CN206925810U CN206925810U CN201720497890.0U CN201720497890U CN206925810U CN 206925810 U CN206925810 U CN 206925810U CN 201720497890 U CN201720497890 U CN 201720497890U CN 206925810 U CN206925810 U CN 206925810U
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- CN
- China
- Prior art keywords
- driving member
- output shaft
- slide bar
- power tool
- transmission output
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Abstract
It the utility model is related to a kind of power tool, including housing, force piece, the workpiece that can be driven by force piece 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, 3rd driving member and slide bar, first driving member is located at power output shaft, second driving member and the 3rd driving member are connected in the first driving member respectively, second driving member and the 3rd 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 place with relative transmission output shaft, slide bar can be non-rotatably connected to the second driving member and the 3rd driving member respectively.In this power tool, the power for making the first driving member by slide bar is transferred to transmission output shaft by the second driving member or the 3rd driving member respectively, can have transmission output shaft and realize different rotating speed and moment of torsion, to meet different duty requirements.
Description
Technical field
It the utility model is related to a kind of power tool.
Background technology
Power tool generally only has a kind of output speed and output torque.For example, chain saw is mainly used in 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 the cutting demand for cutting moment of torsion and the efficiency of different size of wood etc. simultaneously.
Utility model content
Based on this, it is necessary to provide a kind of power tool for the power output that can meet a variety of moments of torsion and rotating speed.
A kind of power tool, including housing, 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, the 3rd driving member and slide bar, first driving member are located at the power
Output shaft, the transmission output shaft can relatively described housing into rotation, second driving member and the 3rd driving member pass respectively
Dynamic to be connected to first driving member, it is defeated that second driving member and the 3rd 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 relatively described transmission output shaft
First position and the second place, 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 place, the slide bar is non-rotatably connected to the 3rd driving member, institute
State workpiece and be connected to the transmission output shaft.
In this power tool, transmission output shaft is slidingly disposed at by slide bar to be passed respectively with the second driving member or the 3rd
Moving part connects, and the power of the first driving member is transferred to transmission output shaft by the second driving member or the 3rd driving member respectively, leads to
The setting of different drive ratios is crossed, can have transmission output shaft and realize different rotating speed and moment of torsion, to meet different operating mode need
Ask.
In one of the embodiments, the slide bar is located between second driving member and the 3rd driving member, institute
State the second driving member and the 3rd driving member end face close to each other is provided with latch, two opposing end surfaces of the slide bar are equipped with
The latch coordinated with the latch of second driving member or the 3rd driving member.
In one of the embodiments, the transmission mechanism also includes jackshaft, the 4th driving member and the 5th driving member, institute
State jackshaft can 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 connected and passed in first driving member, the 4th driving member with second driving member
Coordinate dynamicly, the 5th driving member drivingly coordinates with the 3rd driving member.
In one of the embodiments, the transmission mechanism also includes the relatively-stationary with the jackshaft the 6th transmission
Part, the 4th driving member are connected in first driving member by the 6th driving member, the 6th driving member with
First driving member drivingly coordinates.
In one of the embodiments, the diameter ratio of the 4th driving member and second driving member is more than the described 5th
The diameter ratio of driving member and the 4th driving member.
In one of the embodiments, 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 3rd driving member, described
4th driving member, the 5th driving member and the 6th driving member are gear.
In one of the embodiments, the slide bar is provided with handle portion.
In one of the embodiments, the workpiece includes work head and the 7th driving member, the 7th driving member
On the transmission output shaft, the work head is connected fixed cover with the 7th driving member.
In one of the embodiments, the power tool is chain saw.
Brief description of the drawings
Fig. 1 is the floor map of the power tool of the embodiment of the utility model one；
Fig. 2 is the structural representation 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.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open the understanding more thorough and comprehensive of content.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element between the two.When an element is considered as " connection " another element, it can be direct
It is connected to another element or may be simultaneously present element between the two.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Refer to Fig. 1 to Fig. 3, the power tool of the embodiment of the utility model one include housing 12, force piece 14, can be by moving
The workpiece 16 of the driving of power part 14 and the transmission mechanism being connected between force piece 14 and workpiece 16 (figure is not marked).Power
Part 14 and transmission mechanism can be located in housing 12.Force piece 14 includes power output shaft 142, and transmission mechanism includes the first transmission
Part 182, transmission output shaft 185, the second driving member 1852, the 3rd driving member 1854 and slide bar 1856, the first driving member 182 are located at
Power output shaft 142, transmission output shaft 185 can rotate relative to housing 12, and the second driving member 1852 and the 3rd driving member 1854 divide
Supplementary biography is dynamic to be connected to the first driving member 182, and it is defeated that the second driving member 1852 and the 3rd driving member 1854 are rotationally sheathed on transmission
Shaft 185, slide bar 1856 is not rotatable and is movably disposed in transmission output shaft 185 and is located respectively with relative transmission output shaft 185
In first position and the second place, when slide bar 1856 is in first position, slide bar 1856 is non-rotatably connected to the second transmission
Part 1852, when slide bar 1856 is in the second place, slide bar 1856 is non-rotatably connected to the 3rd driving member 1854.Workpiece
16 are connected to transmission output shaft 185.Specifically, the first driving member 182, the second driving member 1852 and the 3rd driving member 1854
For 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 the 3rd driving member 1854 connect, the power of the first driving member 182 is passed respectively by the second driving member 1852 or the 3rd
Moving part 1854 is transferred to transmission output shaft 185, by the setting of different drive ratios, can have transmission output shaft 185 and realize not
Same rotating speed and moment of torsion, to meet different duty requirements.It is appreciated that in other embodiments, on transmission output shaft 185
The driving member of three or more can be set, so, slide bar 1856 is corresponding to be in three or more diverse locations, so transmission output
Axle 185 exportable more different rotating speeds and moment of torsion, realize multi gear speed governing and/or regulation moment of torsion, meet more duty requirements.
In the present embodiment, slide bar 1856 is located between the second driving member 1852 and the 3rd driving member 1854, the second driving member
1852 and the 3rd the end face close to each other of driving member 1854 be provided with latch, two opposing end surfaces of slide bar 1856 are equipped with and second passes
The latch that the latch of the driving member 1854 of moving part 1852 or the 3rd coordinates.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 the 3rd driving member 1854 can also other modes match somebody with somebody
Close, as long as it can be non-rotatably connected to the second driving member 1852 or the 3rd driving member 1854, will not be described here.
In the present embodiment, transmission mechanism also includes jackshaft 187, the 4th driving member 1873 and the 5th driving member 1875, in
Countershaft 187 can be rotated relative to housing 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 connected drivingly matches somebody with somebody in the first driving member 182, the 4th driving member 1873 with the second driving member 1852
Close, the 5th driving member 1875 drivingly coordinates with the 3rd driving member 1854.So, the first driving member 182 and the second transmission are realized
The drive connection of part 1852, the 3rd driving member 1854.Specifically, the 4th driving member 1873 and the 5th driving member 1875 can be tooth
Wheel, it will be understood that cooperation between each driving member can also be the fit system of other transmissions except gear engagement system, such as
Chain gear transmission, belt transmission etc..
Further, transmission mechanism also includes and relatively-stationary 6th driving member 1877 of jackshaft 187, the 4th driving member
1873 are connected by the 6th driving member 1877 passes in the first driving member 182, the 6th driving member 1877 with the first driving member 182
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.So when slide bar 1856 is in first position, the second driving member 1852 is to workpiece
The 16 high rpm low torques of output, when power tool is chain saw, suitable for cutting small wood；When slide bar 1856 is in the second place
When, the 3rd driving member 1854 exports slow-speed of revolution high torque to workpiece 16, when power tool is chain saw, suitable for cutting big wood
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 gearratio needed
It is more compact with each part for being easy to set force piece 14 and transmission mechanism, structure.
In the present embodiment, slide bar 1856 is provided with handle portion 18562, makes it in the second transmission in order to operate slide bar 1856
Switch between the driving member 1854 of part 1852 and the 3rd.
In the present embodiment, workpiece 16 includes work first 162 and the 7th driving member 164, the fixed cover of the 7th driving member 164
On transmission output shaft 185, work first 162 is connected with the 7th driving member 164.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 first driving member 182 to rotate i.e.
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 set respectively two gear teeth with respectively with the second driving member
1852 and the 3rd driving member 1854 coordinate.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. power tool, it is characterised in that including housing, force piece, the workpiece that can be driven by the force piece 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, the 3rd driving member and slide bar, and first driving member is set In the power output shaft, the transmission output shaft can relatively described housing into rotation, second driving member and the 3rd biography Moving part is connected respectively to be rotationally sheathed in first driving member, second driving member and the 3rd driving member The transmission output shaft, the slide bar is not rotatable and is movably disposed in the transmission output shaft with relatively described transmission output Axle is respectively at first position and the second place, and when the slide bar is in the first position, the slide bar un-rotatably connects Second driving member is connected to, when the slide bar is in the second place, 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, it is characterised in that the slide bar is located at second driving member and described Between 3rd driving member, second driving member and the 3rd driving member end face close to each other are provided with latch, the slide bar Two opposing end surfaces be equipped with the latch of second driving member or the 3rd driving member coordinate latch.
- 3. power tool according to claim 1, it is characterised in that the transmission mechanism also includes jackshaft, the 4th biography Moving part and the 5th driving member, the jackshaft can 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 connected in first driving member, the 4th driving member Drivingly coordinate with second driving member, the 5th driving member drivingly coordinates with the 3rd driving member.
- 4. power tool according to claim 3, it is characterised in that the transmission mechanism also includes and the jackshaft phase To the 6th fixed driving member, the 4th driving member is connected in first driving member by the 6th driving member, 6th driving member drivingly coordinates with first driving member.
- 5. power tool according to claim 4, it is characterised 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, it is characterised 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, it is characterised in that first driving member, second driving member, institute It is gear to state the 3rd driving member, the 4th driving member, the 5th driving member and the 6th driving member.
- 8. power tool according to claim 1, it is characterised in that the slide bar is provided with handle portion.
- 9. power tool according to claim 1, it is characterised in that the workpiece includes work head and the 7th transmission Part, on the transmission output shaft, the work head connects the 7th driving member fixed cover with the 7th driving member transmission Connect.
- 10. power tool according to claim 1, it is characterised in that the power tool is chain saw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497890.0U CN206925810U (en) | 2017-05-05 | 2017-05-05 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720497890.0U CN206925810U (en) | 2017-05-05 | 2017-05-05 | Power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206925810U true CN206925810U (en) | 2018-01-26 |
Family
ID=61350950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720497890.0U Active CN206925810U (en) | 2017-05-05 | 2017-05-05 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206925810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789282A (en) * | 2017-05-05 | 2018-11-13 | 苏州宝时得电动工具有限公司 | Power tool |
-
2017
- 2017-05-05 CN CN201720497890.0U patent/CN206925810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789282A (en) * | 2017-05-05 | 2018-11-13 | 苏州宝时得电动工具有限公司 | Power tool |
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