CN206276978U - Power tool - Google Patents
Power tool Download PDFInfo
- Publication number
- CN206276978U CN206276978U CN201621194142.7U CN201621194142U CN206276978U CN 206276978 U CN206276978 U CN 206276978U CN 201621194142 U CN201621194142 U CN 201621194142U CN 206276978 U CN206276978 U CN 206276978U
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- China
- Prior art keywords
- power tool
- gear
- box
- casing
- armature shaft
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Abstract
The utility model discloses a kind of power tool, including casing, gear-box, actuator, armature shaft and clutch shaft bearing, the gear-box is connected to described casing one end, the actuator and the armature shaft are in the casing, the armature shaft can be driven by the actuator and be rotated, the armature shaft includes relative first end and the second end, and the first end is provided with first bevel gear, the casing is provided with supporting part near one end of the gear-box, the clutch shaft bearing is sheathed on the armature shaft, and between the first bevel gear and the supporting part of the casing, the supporting part supports the clutch shaft bearing.In this power tool, clutch shaft bearing is supported by setting supporting part on casing, when first bevel gear is subject to opposition, supporting part can prevent first bevel gear towards the second end play of armature shaft, and supporting part is located at casing, without increasing parts, simple structure newly.
Description
Technical field
The utility model is related to a kind of power tool.
Background technology
The power tools such as electric circular saw in order that structure is more compact, generally using bevel gear as drive disk assembly, using cone
Gear-driven power tool, usual casing and gear-box are separate.However, using the dynamically working of bevel gear, in work
During, radial load can be resolved into the power of radial and axial both direction due to bevel gear, therefore, bevel gear is easily subject to axle
To active force and axial float.
Usually, to solve the problems, such as bevel gear axial float, generally set back-up ring, pressing plate to support, or in setting
Cover to support, but this mode needs to increase the parts of power tool, causes power tool cost to increase, and due to power work
The setting of the parts such as the fan and motor of tool, due to insufficient space or can have the reasons such as strong magnetic, cause inconvenience using setting pressing plate
Or the mode of middle cover is supported.
Utility model content
Based on this, it is necessary to provide a kind of power tool for preventing bevel gear play and simple structure.
A kind of power tool, including casing, gear-box, actuator, armature shaft and clutch shaft bearing, the gear-box are connected to
In the casing, the armature shaft can be driven by the actuator for described casing one end, the actuator and the armature shaft
Dynamic to rotate, the armature shaft includes relative first end and the second end, and the first end is provided with first bevel gear, the casing
One end near the gear-box is provided with supporting part, and the clutch shaft bearing is sheathed on the armature shaft, and positioned at described first
Between bevel gear and the supporting part of the casing, the supporting part supports the clutch shaft bearing.
In this power tool, clutch shaft bearing is supported by setting supporting part on casing, when first bevel gear is subject to reverse
During active force, supporting part can prevent first bevel gear towards the second end play of armature shaft, and supporting part is located at casing, without newly-increased
Parts, simple structure.
Wherein in an embodiment, the casing includes that, towards the raised connecting portion in its inner space, the supporting part is located at
The connecting portion.
Wherein in an embodiment, the second bevel gear engaged with the first bevel gear, institute are provided with the gear-box
First bevel gear is stated to stretch into the gear-box.
Wherein in an embodiment, the gear-box includes being located at the case shell near one end of the casing, the case shell
Middle part protruded towards the side away from the casing, form receiving portion, the clutch shaft bearing is contained in described accommodation section.
Wherein in an embodiment, the bottom of the described accommodation section of the gear-box is provided with stage portion, on the armature shaft
Back-up ring is arranged with, the stage portion and the back-up ring support outer ring and the inner ring of a side end face of the clutch shaft bearing respectively；Institute
State armature shaft and be provided with step section, it is another that the step section of the supporting part and the armature shaft supports the clutch shaft bearing respectively
The outer ring of side end face and inner ring.
Wherein in an embodiment, the gear-box includes output shaft, and the armature shaft is described defeated with the gear-box
Shaft is vertical.
Wherein in an embodiment, the actuator is located at second end of the armature shaft, the institute of the armature shaft
State the second end and be additionally provided with second bearing, the actuator is located between the clutch shaft bearing and the second bearing.
Wherein in an embodiment, the power tool also includes battery bag, and the battery bag is located at the casing and sets
There is the relative other end in one end of the gear-box.
Wherein in an embodiment, the power tool also includes being sheathed on the fan of the armature shaft.
Wherein in an embodiment, the gear-box of the power tool is used to be connected in workpiece, to drive
The dynamic workpiece work；The power tool is electric circular saw, and the workpiece is on saw blade component, and the gear-box
It is also associated with base plate and is close to workpiece with cutting.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the power tool of the embodiment of the utility model one.
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 be in the presence of 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 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 referred to, the power tool of the embodiment of the utility model one includes casing 10, gear-box 30, actuator 50, electricity
Pivot 60 and clutch shaft bearing 702, gear-box 30 are connected to the one end of casing 10, and actuator 50 and armature shaft 60 are located in casing 10,
Armature shaft 60 can drive rotation by actuator 50, and armature shaft 60 includes relative first end and the second end, and its first end is provided with
First bevel gear 602.Casing 10 is provided with supporting part 102 near one end of gear-box 30, and clutch shaft bearing 702 is sheathed on armature shaft 60
On, and between the supporting part 102 of first bevel gear 602 and casing 10, supporting part 102 supports clutch shaft bearing 702.Specifically
Ground, actuator 50 can be motor.
In this power tool, clutch shaft bearing 702 is supported by setting supporting part 102 on casing 10, work as first bevel gear
602 when being subject to opposition, and supporting part 102 can prevent first bevel gear 602 towards the second end play of armature shaft 60, and support
Portion 102 is located at casing 10, without increasing parts, simple structure newly.
In the present embodiment, casing 10 includes that, towards the raised connecting portion 104 in its inner space, supporting part 102 is located at connecting portion
104。
In the present embodiment, the second bevel gear 302 engaged with first bevel gear 602, the first cone tooth are provided with gear-box 30
Wheel 602 is stretched into gear-box 30.
In the present embodiment, gear-box 30 includes being located at the case shell 304 near one end of casing 10, the middle part court of case shell 304
Side away from casing 10 protrudes, and forms receiving portion, and clutch shaft bearing 702 is contained in receiving portion.
In the present embodiment, the bottom of the receiving portion of gear-box 30 is provided with stage portion 3042, and back-up ring is arranged with armature shaft 60
3044, stage portion 3042 and back-up ring 3044 support outer ring and the inner ring of a side end face of clutch shaft bearing 702 respectively.
In the present embodiment, armature shaft 60 is provided with step section, and the step section of supporting part 102 and armature shaft 60 supports first respectively
The outer ring of another side end face of bearing 702 and inner ring.
In the present embodiment, gear-box includes output shaft, and armature shaft 60 is mutually perpendicular to and sets with the output shaft of gear-box.
In the present embodiment, actuator 50 is located at the second end of armature shaft 60, and the second end of armature shaft 60 is additionally provided with the second axle
704 are held, actuator 50 is located between clutch shaft bearing 702 and second bearing 704.
In the present embodiment, power tool also includes battery bag 80, and battery bag 80 is located at casing 10 and is provided with gear-box 30
The relative other end in one end.
In the present embodiment, power tool also includes being sheathed on the fan 100 of armature shaft 60.Fan 100 is with armature shaft 60 1
Rise and rotate to radiate.Specifically, fan 100 is presented axially between actuator 50 and clutch shaft bearing 702.
In the present embodiment, the gear-box 30 of power tool is used to be connected in workpiece 901, to drive workpiece
90 work.Specifically, power tool can be electric circular saw, and workpiece 901 can be to be also associated with saw blade component, and gear-box 30
Base plate 903 is close to workpiece with cutting, it will be understood that the part such as workpiece 901 or other cuttings or grinding, can root
Set according to process requirements.
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 (10)
1. a kind of power tool, it is characterised in that：Including casing, gear-box, actuator, armature shaft and clutch shaft bearing, the tooth
Roller box is connected to described casing one end, and in the casing, the armature shaft can be by institute for the actuator and the armature shaft
State actuator and drive rotation, the armature shaft includes relative first end and the second end, and the first end is provided with the first cone tooth
Wheel, the casing is provided with supporting part near one end of the gear-box, and the clutch shaft bearing is sheathed on the armature shaft, and position
Between the first bevel gear and the supporting part of the casing, the supporting part supports the clutch shaft bearing.
2. power tool according to claim 1, it is characterised in that the casing is included towards the raised company in its inner space
Socket part, the supporting part is located at the connecting portion.
3. power tool according to claim 1, it is characterised in that be provided with the gear-box and the first bevel gear
The second bevel gear of engagement, the first bevel gear is stretched into the gear-box.
4. power tool according to claim 1, it is characterised in that the gear-box includes being located near the casing
The case shell of one end, the middle part of the case shell is protruded towards the side away from the casing, forms receiving portion, and the clutch shaft bearing is accommodated
In described accommodation section.
5. power tool according to claim 4, it is characterised in that the bottom of the described accommodation section of the gear-box is provided with
Stage portion, is arranged with back-up ring on the armature shaft, the stage portion and the back-up ring support the side of the clutch shaft bearing respectively
The outer ring of end face and inner ring；The armature shaft is provided with the step section difference of step section, the supporting part and the armature shaft
Support outer ring and the inner ring of another side end face of the clutch shaft bearing.
6. power tool according to claim 1, it is characterised in that the gear-box includes output shaft, the armature shaft
The output shaft with the gear-box is vertical.
7. power tool according to claim 1, it is characterised in that the actuator is located at described the of the armature shaft
Two ends, second end of the armature shaft is additionally provided with second bearing, and the actuator is located at the clutch shaft bearing and described the
Between two bearings.
8. power tool according to claim 1, it is characterised in that the power tool also includes battery bag, the electricity
Chi Bao is located at the casing other end relative with the one end for being provided with the gear-box.
9. power tool according to claim 1, it is characterised in that the power tool also includes being sheathed on the armature
The fan of axle.
10. the power tool according to claim 1-9 any one, it is characterised in that the tooth of the power tool
Roller box is used to be connected in workpiece, to drive the workpiece to work；The power tool is electric circular saw, the work
Make part and be close to workpiece with cutting to be also associated with base plate on saw blade component, and the gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194142.7U CN206276978U (en) | 2016-10-28 | 2016-10-28 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194142.7U CN206276978U (en) | 2016-10-28 | 2016-10-28 | Power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206276978U true CN206276978U (en) | 2017-06-27 |
Family
ID=59083246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621194142.7U Active CN206276978U (en) | 2016-10-28 | 2016-10-28 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206276978U (en) |
-
2016
- 2016-10-28 CN CN201621194142.7U patent/CN206276978U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |