CN206280473U - Electric tool - Google Patents
Electric tool Download PDFInfo
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- CN206280473U CN206280473U CN201621225004.0U CN201621225004U CN206280473U CN 206280473 U CN206280473 U CN 206280473U CN 201621225004 U CN201621225004 U CN 201621225004U CN 206280473 U CN206280473 U CN 206280473U
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- Prior art keywords
- extraction part
- electric tool
- bearing
- gear
- oil extraction
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Abstract
A kind of electric tool, it includes housing, force piece, clutch shaft bearing, the first oil extraction part and work head, force piece is arranged in the housing and including line shaft, clutch shaft bearing is axially sheathed on the line shaft, first oil extraction part is axially sheathed on outside the line shaft and positioned at one end of the clutch shaft bearing axis direction, and work head can rotate under the driving of the force piece;Wherein, the first oil extraction part rotating Vortex synchronous with the line shaft and the first oil scupper along the line shaft axis direction spiral is offered thereon, first oil scupper is opposite with the direction of rotation of the line shaft to the rotation direction near the clutch shaft bearing.In the utility model, it is provided with the line shaft of clutch shaft bearing and is respectively arranged with the first oil extraction part, the helicla flute rotated on the first oil extraction part when electric tool works always discharges grease, can be prevented effectively from grease and enter into inside clutch shaft bearing, causes clutch shaft bearing to fail.
Description
Technical field
The utility model is related to a kind of electric tool.
Background technology
Conventional power tool, for example, the bearing being sheathed on axle in the mill of angle is generally not provided with anti-oil structure, or only passes through
Increase a pad to cover the gap of bearing, to reach grease proofing effect, but its effect is poor.After long-time use, oil pocket
Interior grease can be entered into bearing, reduce bearing life.
Utility model content
Based on this, it is necessary to provide a kind of service life for extending bearing to reduce user's maintenance cost, lift user's body
The electric tool tested.
A kind of electric tool, it includes:
Housing;
Force piece, is arranged in the housing and including line shaft;
Clutch shaft bearing, is axially sheathed on the line shaft;
First oil extraction part, is axially sheathed on outside the line shaft and positioned at one end of the clutch shaft bearing axis direction;With
And
Work head, it can rotate under the driving of the force piece;
Wherein, the first oil extraction part rotating Vortex synchronous with the line shaft and offer thereon along the line shaft axle
First oil scupper of line direction spiral, first oil scupper near the clutch shaft bearing rotation direction and the line shaft rotation
Turn in opposite direction.
Wherein in one embodiment, the electric tool includes first gear, and the first gear is axially sheathed on institute
State on line shaft, the first oil extraction part be located between the clutch shaft bearing and the first gear, and with the first gear
One is provided separately.
Wherein in one embodiment, the electric tool includes output shaft and is sheathed on the second of described output shaft one end
Gear, the second gear is engaged with the first gear and drives the output shaft to rotate, and the work head is connected to described
The one end of output shaft away from the second gear.
Wherein in one embodiment, the electric tool includes the second bearing being axially sheathed on the output shaft
And the second oil extraction part, the second oil extraction part is located between the second gear and the second bearing, the second oil extraction part
Rotated with the output shaft synchronous and offer the second oil scupper along the output shaft axis direction spiral, described second thereon
Oil scupper is opposite with the direction of rotation of the output shaft to the rotation direction near the second bearing.
Wherein in one embodiment, the second oil extraction part integrally or is provided separately with the second gear.
Wherein in one embodiment, the axis direction of the line shaft is vertical with the axis direction of the output shaft.
Wherein in one embodiment, the electric tool is angle grinder.
In the utility model, it is provided with the line shaft of clutch shaft bearing and is respectively arranged with the first oil extraction part, works as electric tool
The helicla flute rotated on the first oil extraction part during work always discharges grease, can be prevented effectively from grease and enter into clutch shaft bearing
Inside, causes clutch shaft bearing to fail.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model electric tool;
Fig. 2 is the part A enlarged drawing of electric tool shown in Fig. 1;
Fig. 3 is the part B enlarged drawing of electric tool shown in Fig. 1.
Specific 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 real 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
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
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 of combination of one or more related Listed Items.
Fig. 1 is refer to, in the utility model preferred embodiment, electric tool 100 includes housing 10, force piece 20, first
Bearing 30, the first oil extraction part 40 and work first 50.Wherein, force piece 20 is arranged in housing 10, and including line shaft 21.The
One bearing 30 is axially sheathed on line shaft 21, and is located at interval between housing 10 and line shaft 21.First oil extraction part 40 is axially
It is sheathed on outside line shaft 21 and positioned at one end of the axis direction of clutch shaft bearing 30.Work first 50 can be in the driving backspin of force piece 20
Turn, to perform correspondence work.
In this specific embodiment, electric tool 100 is angle grinder, and force piece 20 is the motor being arranged in angle grinder,
Line shaft 21 extends to the direction away from force piece 20 in the horizontal direction.It is to be appreciated that in some other embodiment, it is electronic
Instrument 100 can be provided with the instrument of bearing for other.
Please in the lump referring to Fig. 2, specifically, the first oil extraction part 40 and the synchronous rotating Vortex of line shaft 21 and edge is offered thereon
First oil scupper 41 of the axis direction spiral of line shaft 21, the first oil scupper 41 is to the rotation direction and line shaft near clutch shaft bearing 30
21 direction of rotation is opposite.If that is, line shaft 21 is to carry out dextrad dextrorotation vertically under the driving of force piece 20
Turn, then the first oil extraction part 40 carries out dextrad and turn clockwise with line shaft 21 is synchronous, the first oil scupper 41 on the first oil extraction part 40
To near clutch shaft bearing 30 to left-handed, i.e., near the first oil scupper of direction 41 of clutch shaft bearing 30 be vertically right high left low.Such as
This, when grease through the first oil extraction part 40 flow into clutch shaft bearing 30 during, will the revolving force of the first oil extraction part 40 effect under, by
First oil scupper 41 is discharged in opposite direction, to prevent grease from entering clutch shaft bearing 30.Similarly, if line shaft 21 is in force piece
20 drivings are lower to carry out left-hand rotate counterclockwise vertically, and grease also will be through the first oil scupper 41 on the first oil extraction part 40 along opposite
Direction is discharged.
Further, electric tool 100 includes first gear 60, and first gear 60 is axially sheathed on line shaft 21, the
One oil extraction part 40 is located between clutch shaft bearing 20 and first gear 60, and integrally or is provided separately with first gear 60.In this tool
In body embodiment, the first oil extraction part 40 is integrally formed at first gear 60 near one end of clutch shaft bearing 20, and can be with the first tooth
Wheel 60 rotates with line shaft 21 jointly, prevents grease from entering in clutch shaft bearing 20.It is to be appreciated that in some other embodiment
In, the first oil extraction part 40 can be separately set between first gear 60 and clutch shaft bearing 20, be not limited thereto, and be need only to be provided at
Grease enters on the path of clutch shaft bearing 20.
Please in the lump referring to Fig. 1 and Fig. 3, further, electric tool 100 includes output shaft 70 and is sheathed on output shaft 70 1
The second gear 80 at end, second gear 80 is engaged with first gear 60 and drives output shaft 70 to rotate, and work first 50 is connected to defeated
Shaft 70 away from second gear 80 one end, with the presence of being engaged with second gear 80 in first gear 60 with output shaft 70 1
With rotation.In this specific embodiment, the axis direction of output shaft 70 is vertical with the axis direction of line shaft 21, and both rotations
Turn in opposite direction.
Further, electric tool 100 includes the second bearing 90 and the second row that are axially sheathed on output shaft 70
Oily part 91.Wherein, second bearing 90 is arranged on output shaft 70 near one end of work first 50, and the second oil extraction part 91 is located at second
Between gear 80 and second bearing 90 and with the synchronous rotary of output shaft 70.
In order to prevent grease from entering in second bearing 90, offered on the second oil extraction part 91 along the axis direction spiral shell of output shaft 70
Second oil scupper 910 of rotation, the second oil scupper 910 is to the rotation direction for being close to second bearing 90 and the direction of rotation phase of output shaft 70
Instead.That is, if output shaft 70 turns clockwise to carry out dextrad vertically under the drive of second gear 80, second row
Oily part 91 synchronously carries out dextrad and turns clockwise with output shaft 70, and second oil scupper 910 is near second on the second oil extraction part 91
Bearing 90 to left-handed, i.e., near the second oil scupper of direction 910 of second bearing 90 is vertically right high left low.In this way, working as grease
During second bearing 90 being flowed into through the second oil extraction part 91, will be under the effect of the revolving force of the second oil extraction part 91, by the second oil extraction
Groove 910 is discharged in opposite direction, to prevent grease from entering second bearing 90.Similarly, if output shaft 70 is to carry out a left side vertically
To rotate counterclockwise, grease also will in opposite direction be discharged through the second oil scupper 910 on the second oil extraction part 90.It is specific real at this
Apply in example, the second oil extraction part 91 is wholely set with second gear 80.It is to be appreciated that in some other embodiment, second row
Oily part 91 can be also independently disposed between second bearing 90 and second gear 80, be not limited thereto, and be need only to be provided at grease and entered
Enter on the path of second bearing 90.
In this specific embodiment, the first oil extraction part 40 and the second oil extraction are respectively arranged with line shaft 21 and output shaft 70
Part 91, it is possible to understand that ground, in some other embodiment, can only set as needed one of which also can, be not limited thereto.
In the utility model, it is provided with the line shaft 21 of clutch shaft bearing 30 and is provided with the output shaft 70 of second bearing 90
The first oil extraction part 40 and the second oil extraction part 91 are respectively arranged with, the first oil extraction part 40 and second row when electric tool 100 works
The helicla flute rotated on oily part 91 always discharges grease, can be prevented effectively from grease and enter into the axle of clutch shaft bearing 30 and second
Hold inside 90, cause clutch shaft bearing 30 and second bearing 90 to fail.Additionally, the sealing effect at clutch shaft bearing 30 and second bearing 90
Fruit preferably when, the grease in oil pocket can use the lower grease of needle penetration, the lower grease of needle penetration can to significantly improve first
The life-span of gear 60 and second gear 80.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for 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 protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of electric tool, it is characterised in that:Including:
Housing;
Force piece, is arranged in the housing and including line shaft;
Clutch shaft bearing, is axially sheathed on the line shaft;
First oil extraction part, is axially sheathed on outside the line shaft and positioned at one end of the clutch shaft bearing axis direction;And
Work head, it can rotate under the driving of the force piece;
Wherein, the first oil extraction part rotating Vortex synchronous with the line shaft and offer thereon along the line shaft axis side
To the first oil scupper of spiral, first oil scupper is to the rotation direction for being close to the clutch shaft bearing and the rotation side of the line shaft
To opposite.
2. electric tool as claimed in claim 1, it is characterised in that:The electric tool includes first gear, described first
Gear is axially sheathed on the line shaft, and the first oil extraction part is located between the clutch shaft bearing and the first gear,
And integrally or be provided separately with the first gear.
3. electric tool as claimed in claim 2, it is characterised in that:The electric tool includes output shaft and is sheathed on described
The second gear of output shaft one end, the second gear is engaged with the first gear and drives the output shaft to rotate, described
Work head is connected to the one end of the output shaft away from the second gear.
4. electric tool as claimed in claim 3, it is characterised in that:The electric tool is axially sheathed on described defeated including
Second bearing and the second oil extraction part on shaft, the second oil extraction part be located at the second gear and the second bearing it
Between, the second oil extraction part rotated with the output shaft synchronous and offer thereon along the output shaft axis direction spiral
Two oil scuppers, second oil scupper is opposite with the direction of rotation of the output shaft to the rotation direction near the second bearing.
5. electric tool as claimed in claim 4, it is characterised in that:The second oil extraction part and the second gear one or
It is provided separately.
6. electric tool as claimed in claim 4, it is characterised in that:The axis direction of the line shaft and the output shaft
Axis direction is vertical.
7. electric tool as claimed in claim 1, it is characterised in that:The electric tool is angle grinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621225004.0U CN206280473U (en) | 2016-11-14 | 2016-11-14 | Electric tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621225004.0U CN206280473U (en) | 2016-11-14 | 2016-11-14 | Electric tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206280473U true CN206280473U (en) | 2017-06-27 |
Family
ID=59082373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621225004.0U Active CN206280473U (en) | 2016-11-14 | 2016-11-14 | Electric tool |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206280473U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021000940A1 (en) * | 2019-07-04 | 2021-01-07 | 苏州宝时得电动工具有限公司 | Handheld tool |
-
2016
- 2016-11-14 CN CN201621225004.0U patent/CN206280473U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021000940A1 (en) * | 2019-07-04 | 2021-01-07 | 苏州宝时得电动工具有限公司 | Handheld tool |
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