CN205466045U - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN205466045U CN205466045U CN201521080109.7U CN201521080109U CN205466045U CN 205466045 U CN205466045 U CN 205466045U CN 201521080109 U CN201521080109 U CN 201521080109U CN 205466045 U CN205466045 U CN 205466045U
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- Prior art keywords
- motor
- kuppe
- electric tool
- containment vessel
- rotor
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Abstract
The utility model provides an electric tool, it includes: the motor has rotor and cover and locates the outer stator of rotor, the rotor includes a pivot that has the output, axial fan, the group locates the pivot, axial fan is located the rotor is close to one side of output, the motor casing, the cover is located outside motor and the axial fan, the motor casing is including setting up in the motor location muscle and the kuppe of motor casing inner wall, motor location muscle corresponds the motor stator periphery sets up, the kuppe corresponds the axial fan periphery sets up, motor location muscle and kuppe are the integrative process shaping. Shell structure has been simplified in motor location muscle and kuppe integrated into one piece's design, has reduced the influence of air current dispersion to the amount of wind simultaneously.
Description
Technical field
The application relates to a kind of electric tool, has the electronic of axial flow motor more particularly to a kind of
Instrument.
Background technology
Maintenance and the maintenance of actuating unit (referring mainly to motor) are to ensure that electric tool performance and longevity
The importance of life.Generally, motor can be placed in a shell, in order to further
Ensure that motor in use dispels the heat in time and efficiently, it will usually between fan and shell
Assemble a kuppe again.Kuppe in the market is mainly by interference fit or axially
Keeper machinery will be assembled in shell, and such structure designs the manufacture to shell and kuppe
Propose higher requirement；And the most inevitably leave gap owing to assembling to cause,
Air-flow dispersion and air quantity are reduced, and then affects heat dispersion.
Accordingly, it would be desirable to existing electric tool is improved, to overcome present in prior art
Defect.
Utility model content
The application aims to provide the electric tool of a kind of improvement, its simple in construction, and has preferably
Heat dispersion.
To this end, according to an aspect of the application, this utility model provides a kind of electric tool,
Comprising: motor, having rotor and the stator being sheathed on outside rotor, described rotor includes one
The individual pivot with outfan；Aerofoil fan, is mounted on described pivot, described aerofoil fan position
In described rotor near the side of outfan；Motor casing, covers at described motor and aerofoil fan
Outward；Described motor casing includes motor positioning bar and the kuppe being arranged at motor casing inwall；Institute
State the corresponding described motor stator periphery of motor positioning bar to arrange, the corresponding described axial flow of described kuppe
Fan periphery is arranged, and described motor positioning bar and kuppe are integrated machine-shaping.
According to a kind of embodiments possible, described motor casing also includes being integrally machined molding and being positioned at
Containment vessel outside described kuppe, the wall thickness of described containment vessel is more than the wall thickness of kuppe.
According to a kind of embodiments possible, described containment vessel and kuppe have shared same wall
Intersection.
According to a kind of embodiments possible, described containment vessel is provided with reinforcement with the gap location of kuppe
Muscle.
According to a kind of embodiments possible, described motor casing is plastic material, described containment vessel,
Kuppe and motor positioning bar are integrated injection mo(u)lding.
According to a kind of embodiments possible, described motor casing has confession near pivot outfan side
The opening that motor loads, the outside wall surface of described containment vessel loads on direction in retracted configuration at motor.
According to a kind of embodiments possible, described kuppe extends to described motor stator periphery,
Described motor positioning bar takes shape on described kuppe medial wall.
According to a kind of embodiments possible, the gap between described containment vessel and kuppe away from
Close on the end face of pivot outfan side.
According to a kind of embodiments possible, the diameter of described aerofoil fan is straight more than motor stator
Footpath.
According to a kind of embodiments possible, the motor stator diameter that described motor positioning bar limits is big
Cause the diameter equal to kuppe.
According to the application, described motor positioning bar and the integrated design of kuppe, simplify
Shell structure, reduces the air-flow dispersion impact on air quantity simultaneously.
Accompanying drawing explanation
Below will be according to detailed description of the invention and combine accompanying drawing and be more completely understood and recognize this
Above and other aspect of application, in the accompanying drawings:
Fig. 1 is the stereochemical structure signal of the electric tool that one embodiment of this utility model is used
Figure；
Fig. 2 is the sectional structure schematic diagram in A-A direction in Fig. 1；
Fig. 3 is the sectional structure schematic diagram in Fig. 1 electric tool B-B direction in fig. 2；
Fig. 4 is the sectional structure schematic diagram of this utility model motor casing C-C position in figure 3.
Detailed description of the invention
Embodiments possible more of the present utility model are described with reference to the accompanying drawings.Different attached
In figure, same or analogous parts are presented with like reference characters.Should be appreciated that attached simultaneously
Figure is only used for illustrating this utility model, wherein the size of parts, proportionate relationship and portion
The number of part is all not as to restriction of the present utility model.
Refer to shown in Fig. 1, the electric tool of one embodiment of this utility model, specially one
Kind of circular saw cutting machine, including substrate 100 and be articulated in the operating portion above described substrate 100
200.Described operating portion 200 includes motor 10 (referring to shown in Fig. 2), is driven by motor 10
Dynamic saw blade 300, the upper shield 400 covering described saw blade 300 top and covering institute
State the lower shield 500 of saw blade bottom.During work, regulate and fix operating portion 200 to needs
The degree of depth and inclination angle, power-on, substrate 100 be positioned on cutting material and before push away annular saw and cut
Cutting mill makes lower shield 500 retraction, and saw blade 300 has exposed cutting；While work, axle
Flow fan 20 (referring to shown in Fig. 2), with motor 10 pivoting action, is inhaled continuously
Enter the normal temperature air in the external world and take away heat through motor 10 surface, and then preventing motor overheating from making
Become infringement.
Please in conjunction with shown in Fig. 2 to Fig. 4, the power section of described circular saw cutting machine includes: institute
State motor 10, there is rotor 101 and the stator 102 being sheathed on outside rotor 101, described turn
Son 101 includes a pivot 1021 with outfan 1021a；Aerofoil fan 20, is mounted on
Described pivot 1021, described aerofoil fan 20 is positioned at described rotor 101 near outfan 1021a
Side；Motor casing 30, covers at outside described motor 10 and aerofoil fan 20；Described motor
Shell 30 includes motor positioning bar 301 and the kuppe 302 being arranged at motor casing 30 inwall；
Corresponding described motor stator 102 periphery of described motor positioning bar 301 is arranged, described kuppe 302
Corresponding described aerofoil fan 20 periphery is arranged, and described motor positioning bar 301 and kuppe 302 are
It is integrally machined molding.This utility model is by by motor positioning bar 301 and kuppe 302 one
It is molded on motor casing 30, simplifies structure design and installation complexity, reduce air-flow simultaneously
The dispersion impact on air quantity.
Described motor casing 30 also includes being integrally machined molding and being positioned at outside described kuppe 302
Containment vessel 303, the wall thickness of described containment vessel 303 is more than the wall thickness of kuppe 302.Wall thickness is also
Reflecting the difference of function, containment vessel 303 is positioned at the most external of circular saw cutting machine, directly bears
Hit and drop risk, thus requirement of strength is higher, and kuppe 302 is primarily to realize
Gathering of air quantity, it is achieved the guiding of wind direction.Described containment vessel 303 and kuppe 302 have
There is the intersection of shared same wall, thus kuppe 302 can be realized at containment vessel 303
In the range of diameter maximization design.Described containment vessel 303 sets with the gap location of kuppe 302
There is reinforcement 304, to improve the overall construction intensity of containment vessel 303.And, this gap is also
Cushioning effect can be played when being hit.
Described motor casing 30 has what power supply machine 10 loaded near pivot outfan 1021a side
Opening 305, the outside wall surface of described containment vessel 30 loads on the D of direction in retracted configuration at motor.
Described motor casing 30 is plastic material, described containment vessel 303, kuppe 302 and motor location
Muscle 301 is integrated injection mo(u)lding.Described kuppe 302 extends to outside described motor stator 102
In week, described motor positioning bar 301 takes shape on described kuppe 302 medial wall.Described axial flow
The diameter of fan 20 is more than the diameter of motor stator 102.Described containment vessel 303 and kuppe
Gap between 302 is closed at the end face 306 away from pivot outfan 1021a side, so may be used
The air quantity dispersion caused during to reduce air intake further.
It is pointed out that the motor casing described in specific embodiment above is integrated to be molded into
Type, certainly, in some other embodiment, it is also possible to be die cast metal molding etc., as long as
It is to be integrally machined；Additionally, kuppe 302 described in specific embodiment extends to described electricity
Machine stator 102 periphery, described motor positioning bar 301 takes shape in described kuppe 302 medial wall
On, in some other embodiment, it is also possible to the internal diameter for kuppe is less than containment vessel internal diameter,
The electricity that motor positioning bar extends internally from the inwall of containment vessel and described motor positioning bar is limited
Machine stator diameter is substantially equal to the diameter of kuppe, and this equally realizes mesh of the present utility model
's.Although describe the application herein with reference to specific embodiment, but scope of the present application
It is not limited to shown details.In the case of without departing from the ultimate principle of the application, can pin
These details are made various amendment.
Claims (10)
1. an electric tool, comprising:
Motor (10), having rotor (101) and be sheathed on rotor (101) stator (102) outward, described rotor (101) includes a pivot (1021) with outfan (1021a)；
Aerofoil fan (20), is mounted on described pivot (1021), and described aerofoil fan (20) is positioned at the described rotor (101) side near outfan (1021a)；
Motor casing (30), covers at described motor (10) and aerofoil fan (20) outward；
It is characterized in that: described motor casing (30) includes being arranged at motor positioning bar (301) and the kuppe (302) of motor casing (30) inwall；Described motor positioning bar (301) corresponding described motor stator (102) periphery is arranged, described kuppe (302) corresponding described aerofoil fan (20) periphery is arranged, and described motor positioning bar (301) and kuppe (302) are integrated machine-shaping.
2. electric tool as claimed in claim 1; it is characterized in that: described motor casing (30) also includes being integrally machined molding and being positioned at the containment vessel (303) in described kuppe (302) outside, and the wall thickness of described containment vessel (303) is more than the wall thickness of kuppe (302).
3. electric tool as claimed in claim 2, it is characterised in that: described containment vessel (303) and kuppe (302) have the intersection of shared same wall.
4. electric tool as claimed in claim 3, it is characterised in that: described containment vessel (303) is provided with reinforcement (304) with the gap location of kuppe (302).
5. electric tool as claimed in claim 2, it is characterised in that: described containment vessel (303), kuppe (302) and motor positioning bar (301) are integrated the motor casing (30) of injection mo(u)lding.
6. electric tool as claimed in claim 2; it is characterized in that: described motor casing (30) has, near pivot outfan (1021a) side, the opening (305) that power supply machine (10) loads, the outside wall surface of described containment vessel (303) loads on direction in retracted configuration at motor.
7. the electric tool as according to any one of claim 1-6, it is characterized in that: described kuppe (302) extends to described motor stator (102) periphery, described motor positioning bar (301) takes shape on described kuppe (302) medial wall.
8. electric tool as claimed in claim 7, it is characterised in that: the gap between described containment vessel (303) and kuppe (302) is closed on the end face away from pivot outfan (1021a) side.
9. electric tool as claimed in claim 8, it is characterised in that: the diameter of described aerofoil fan (20) is more than the diameter of motor stator (102).
10. the electric tool as according to any one of claim 1-6, it is characterised in that: motor stator (102) diameter that described motor positioning bar (301) limits is substantially equal to the diameter of kuppe (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080109.7U CN205466045U (en) | 2015-12-22 | 2015-12-22 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080109.7U CN205466045U (en) | 2015-12-22 | 2015-12-22 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205466045U true CN205466045U (en) | 2016-08-17 |
Family
ID=56660412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521080109.7U Active CN205466045U (en) | 2015-12-22 | 2015-12-22 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205466045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436848A (en) * | 2017-02-16 | 2018-08-24 | 博世电动工具（中国）有限公司 | Air precleaning component and electric tool with it |
| CN112368113A (en) * | 2018-06-29 | 2021-02-12 | 工机控股株式会社 | Electric tool |
-
2015
- 2015-12-22 CN CN201521080109.7U patent/CN205466045U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436848A (en) * | 2017-02-16 | 2018-08-24 | 博世电动工具（中国）有限公司 | Air precleaning component and electric tool with it |
| CN108436848B (en) * | 2017-02-16 | 2024-02-27 | 博世电动工具（中国）有限公司 | Air pre-cleaning assembly and electric tool with same |
| CN112368113A (en) * | 2018-06-29 | 2021-02-12 | 工机控股株式会社 | Electric tool |
| US12011818B2 (en) | 2018-06-29 | 2024-06-18 | Koki Holdings Co., Ltd. | Electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170322 Address after: 211106 Jiangning economic and Technological Development Zone, Jiangsu, general Avenue, No. 159, No. Patentee after: Nanjing Chervon Industry Co., Ltd. Address before: 310052 Binjiang District, Zhejiang Province, Hangzhou Road, No. 567 Patentee before: Bosch Power Tools (China) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |