CN103098350A - DC motor for vacuum cleaner - Google Patents
DC motor for vacuum cleaner Download PDFInfo
- Publication number
- CN103098350A CN103098350A CN2011800261665A CN201180026166A CN103098350A CN 103098350 A CN103098350 A CN 103098350A CN 2011800261665 A CN2011800261665 A CN 2011800261665A CN 201180026166 A CN201180026166 A CN 201180026166A CN 103098350 A CN103098350 A CN 103098350A
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- Prior art keywords
- casing
- dust collector
- movable vane
- interior
- collector motor
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Abstract
A DC motor for a vacuum cleaner comprises a casing (10) located at one end, a rotor(50) accommodated in the casing (10) and provided with a shaft (100), a wind cover(20) arranged at the other end and provided with a wind inlet, and a movable impeller (30) and a fixed impeller (40) accommodated in the wind cover(20). The shaft (100) is connected fixedly with the movable impeller (30) by a fixture (70). The structure of the motor is simple and stable, and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of DC dust collector motor.
Background technology
Conventional small direct-current high-efficiency motor of dust collector, such as Fig. 1, its casing 1 can not be directly connected to determining impeller 6, but pass through an end cap 8
To position impeller 6, and the connection fixed by screw 7 between end cap 8 and casing 1, which assembly technology is complicated, not only increases cost but also wind path has some setbacks, and influences fan efficiency.Its other rotating shaft 11
With by upper and lower 4, the 5 movable vane wheel 2 constituted connected mode for movable vane wheel 2 bottom sheet 5 first with the upper riveting of lower clamping ring 3 in one, the then endoporus 31 by upper lower clamping ring 3 and rotating shaft 11
Interference fit is fixedly connected, and this connected mode is unreliable, Fraquent start when especially motor works, and easily causes loosening, so as to influence reliability and the life-span of motor.And the motor needs extra increase cooling fan, not only increases cost, and complex process, cooling effect is poor, adds motor wind frictional dissipation, influences fan efficiency.
The content of the invention
The present invention seeks to：A kind of DC dust collector motor is provided.
The present invention the first technical scheme be：A kind of DC dust collector motor, it includes：Casing positioned at one end, be contained in casing and the rotor with a rotating shaft, be contained in casing and surrounding rotor and set stator, positioned at the other end and the fan housing with air inlet and the movable vane wheel that is housed in fan housing and determine impeller, the casing has the flange with determining impeller abutting contact, and the rotating shaft is fixedly connected with movable vane wheel by a nut.
The present invention the second technical scheme be：A kind of DC dust collector motor, it includes：Casing positioned at one end, be contained in casing and the rotor with a rotating shaft, be contained in casing and surrounding rotor and set stator, positioned at the other end and the fan housing with air inlet, be housed in fan housing movable vane wheel, below movable vane wheel and with several air channels determine impeller, the casing has a flange with determining impeller abutting contact, the flange at least allow air channel a part directly it is exposed outside.
The present invention the 3rd technical scheme be：A kind of DC dust collector motor, it includes：Casing positioned at one end, be contained in casing and the rotor with a rotating shaft, be contained in casing and surrounding rotor and set stator, positioned at the other end and the fan housing with air inlet, the movable vane wheel that is housed in fan housing and determine impeller below movable vane wheel and with several air channels, the casing has the flange with determining impeller abutting contact, the flange has an opening, diameter of the opening at least above rotor.
The present invention the 4th technical scheme be：A kind of DC dust collector motor, it includes：Casing positioned at one end, it is contained in casing and the rotor with a rotating shaft, positioned at the other end and the fan housing with air inlet and the movable vane wheel that is housed in fan housing and determines impeller, the casing has the flange with determining impeller abutting contact, and the rotating shaft is fixedly connected with the bottom sheet of movable vane wheel by a fixing device.
The method have the advantages that：Be connected by metal insert and rotating shaft interference fit, it is simple in construction and stably, it is difficult to loosen, the extension life-span.By increasing air inlet, and air passage portion is exposed outside, it is not necessary to additionally configure cooling fan, simplifies assembly technology, reduces cost and ensure that wind path is smooth, and air quantity is big and wind speed is fast, and good cooling results strengthen fan efficiency.It is fixedly connected simultaneously by nut, there is coupling mechanism force during electric motor starting, is difficult to loosen, and bushing uses ledge structure, increase and movable vane wheel fit diameter, and Stability Analysis of Structures extends the life-span.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the sectional view of shaft connecting mode in the prior art；
Fig. 2 is the half section schematic diagram of the first embodiment of the present invention；
Fig. 3 is the schematic side view of movable vane wheel in the first embodiment of the present invention；
Fig. 4 is the elevational schematic view of movable vane wheel in the first embodiment of the present invention；
Fig. 5 is the half section schematic diagram of the second embodiment of the present invention, and wherein partial enlargement is illustrated；
Fig. 6 is the decomposing schematic representation of the second embodiment of the present invention.
Embodiment
Embodiment：The present invention provides a kind of first embodiment of the DC dust collector motor of novel rotating shaft connected mode, such as Fig. 2-4
It is shown, it includes casing 10 positioned at one end, is contained in casing 10 and the rotor 50 with a rotating shaft 100, positioned at the other end and with air inlet（Non- label）Fan housing 20, be housed in fan housing 20
Interior movable vane wheel 30, positioned at the lower section of movable vane wheel 30 determine impeller 40 and positioned at the unilateral fixing device 70 of the bottom sheet 32 of movable vane wheel 30.Wherein casing 10 has with determining impeller 40
One flange 12 of abutting contact.Fixing device 70 includes a metal insert 72, the plastics retainer 74 with the injection molding of metal insert 72, and the metal insert 72 includes and rotating shaft 100
One insert hole 720 of interference fit.Wherein retainer 74 is preferably at least three salient points, and the bottom sheet 32 of movable vane wheel 30
Then be correspondingly arranged at least three holes, so as to salient point be from the outside of bottom sheet to inner side flexibly clamping in corresponding hole.Thus the present embodiment be connected by metal insert and rotating shaft interference fit, simple in construction and stably, is difficult to loosen, the extension life-span.
As shown in Fig. 5-6, it is the second embodiment of the present invention, and it includes being located at one end and the casing 10 with flange 12
, be contained in casing 10 and the rotor 50 with a rotating shaft 100, be contained in casing 10 and surrounding rotor 50 and set stator 60, positioned at the other end and with air inlet（Non- label）Fan housing
20th, the movable vane wheel 30 that is housed in fan housing 20, positioned at the lower section of movable vane wheel 30 and impeller 40 and the bottom sheet 32 positioned at movable vane wheel 30 are determined with several air channels 42
A pair of trim rings 33 of both sides.Wherein rotating shaft 100 is fixedly connected with movable vane wheel 30 by a nut 22, and nut 22 has T shapes hole, spin locking direction and the movable vane wheel 30 of nut 22
Direction of rotation on the contrary, the trim ring 33 include positioned at center trim ring hole 330.
Casing 10 is one end open and interior hollow cylinder, is made of metal material, and flange 12 is located at casing 10
Openend, profile is annular in shape, and its diameter is less than the diameter for determine impeller 40, and more than the diameter of casing 10 so that determine the air channel 42 of impeller 40 positioned at flange 12
The partial denudation in outside is outside, it is ensured that the fraction come out by movable vane wheel 30 is discharged by exposed air channel 42, and fraction is entered in casing 10 because of the air channel positioned at the inboard portion of flange 12, flows through rotor
Gap between 50 and stator 60, finally flows out from the air outlet 102 of casing 10.The flange 12 by an at least screw 44 and determines impeller 40 with determining impeller 40 by plane contact
Interfix.Good fixation is achieved in, and is easy to miniaturization, densification, low cost, and make it that internal gas flow flowing is more smoothly.
One end of rotating shaft 100 is arranged with step-like bushing 34, and the bushing 34 is located at movable vane wheel 30 and determines impeller 40
Between, by upper and lower trim ring hole 330 and the hole of movable vane wheel 30 and extend into the T shapes hole of nut 22, to strengthen the fixation of rotating shaft 100 and movable vane wheel 30.
In summary, the present invention is by increasing air inlet, and air passage portion is exposed outside, it is not necessary to additionally configure cooling fan, simplifies assembly technology, reduces cost and ensure that wind path is smooth, and air quantity is big and wind speed is fast, and good cooling results strengthen fan efficiency.It is fixedly connected simultaneously by nut, there is coupling mechanism force during electric motor starting, is difficult to loosen, and bushing uses ledge structure, increase and movable vane wheel fit diameter, and Stability Analysis of Structures extends the life-span.
Certainly the above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art to understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.Equivalent transformation or modification that all Spirit Essences according to main technical schemes of the present invention are done, should all be included within the scope of the present invention.
Claims (17)
1.
A kind of DC dust collector motor, it includes：Casing positioned at one end（10）, be contained in casing（10）It is interior and with a rotating shaft（100）Rotor（50）, be contained in casing（10）Interior and surrounding rotor（50）And the stator set（60）, positioned at the other end and with air inlet fan housing（20）And it is housed in fan housing（20）Interior movable vane wheel（30）With determine impeller（40）, it is characterised in that：The casing（10）With with determining impeller（40）One flange of abutting contact（12）, the rotating shaft（100）With movable vane wheel（30）Pass through a nut（22）To be fixedly connected.
2.
DC dust collector motor according to claim 1, it is characterised in that：The rotating shaft（100）One end be arranged with a bushing（34）, and the bushing（34）To be step-like.
3. DC dust collector motor according to claim 2, it is characterised in that：The step-like bushing（34）Extend into nut（22）It is interior.
4.
DC dust collector motor according to claim 3, it is characterised in that：The nut（22）Spin locking direction and movable vane wheel（30）Direction of rotation it is opposite.
5.
DC dust collector motor according to claim 4, it is characterised in that：The flange（12）For ring-type, and its diameter is less than and determines impeller（40）Diameter, and pass through an at least screw（44）With determining impeller（40）Interfix.
6. a kind of DC dust collector motor, it includes：Casing positioned at one end（ 10 ）, be contained in casing（ 10 ）It is interior and with a rotating shaft（ 100
）Rotor（ 50 ）, be contained in casing（ 10 ）Interior and surrounding rotor（ 50 ）And the stator set（ 60 ）, positioned at the other end and with air inlet fan housing（ 20 ）, be housed in fan housing（ 20
）Interior movable vane wheel（ 30 ）, positioned at movable vane wheel（ 30 ）Lower section and with several air channels（ 42 ）Determine impeller（ 40 ）, it is characterised in that：The casing（ 10 ）With with determining impeller（ 40
）One flange of abutting contact（ 12 ）, the flange（ 12 ）At least allow air channel（ 42 ）A part directly it is exposed outside.
7.
DC dust collector motor according to claim 6, it is characterised in that：The flange（12）For ring-type, and its diameter is less than and determines impeller（40）Diameter, the rotating shaft（100）One end be arranged with a bushing（34）, and the bushing（34）To be step-like.
8. DC dust collector motor according to claim 7, it is characterised in that：The step-like bushing（34）Extend into nut（22）It is interior.
9.
DC dust collector motor according to claim 8, it is characterised in that：The nut（22）Spin locking direction and movable vane wheel（30）Direction of rotation on the contrary, the flange（12）Pass through an at least screw（44）With determining impeller（40）Interfix.
10.
A kind of DC dust collector motor, it includes：Casing positioned at one end（10）, be contained in casing（10）It is interior and with a rotating shaft（100）Rotor（50）, be contained in casing（10）Interior and surrounding rotor（50）And the stator set（60）, positioned at the other end and with air inlet fan housing（20）, be housed in fan housing（20）Interior movable vane wheel（30）And positioned at movable vane wheel（30）Lower section and with several air channels（42）Determine impeller（40）, it is characterised in that：The casing（10）With with determining impeller（40）One flange of abutting contact（12）, the flange（12）With an opening（120）, the opening（120）At least above rotor（50）Diameter.
11.
DC dust collector motor according to claim 10, it is characterised in that：The flange（12）Allow for ring-type and at least air channel（42）A part directly it is exposed outside, and its diameter be less than determine impeller（40）Diameter, the rotating shaft（100）One end be arranged with a bushing（34）, and the bushing（34）To be step-like.
12.
DC dust collector motor according to claim 11, it is characterised in that：The step-like bushing（34）Extend into nut（22）It is interior, the nut（22）Spin locking direction and movable vane wheel（30）Direction of rotation on the contrary, the flange（12）Pass through an at least screw（44）With determining impeller（40）Interfix.
13. a kind of DC dust collector motor, it includes：Casing positioned at one end（10）, be contained in casing（10）It is interior and with a rotating shaft（100）Rotor（50）, positioned at the other end and with air inlet fan housing（20）And it is housed in fan housing（20）Interior movable vane wheel（30）With determine impeller（40）, it is characterised in that：The casing（10）With with determining impeller（40）One flange of abutting contact（12）, the rotating shaft（100）With movable vane wheel（30）Bottom sheet（32）Pass through a fixing device（70）To be fixedly connected.
14. the DC dust collector motor according to claim 13, it is characterised in that：The fixing device（ 70 ）Including a metal insert（ 72
）, the metal insert（ 72 ）Including with rotating shaft（ 100 ）One insert hole of interference fit（ 720 ）.
15. DC dust collector motor according to claim 14, it is characterised in that：The metal insert（72）Further comprise and metal insert（72）One retainer of injection molding（74）.
16. DC dust collector motor according to claim 15, it is characterised in that：The retainer（74）For at least three salient points, and bottom sheet（32）It is correspondingly arranged on corresponding hole.
17. the DC dust collector motor according to claim 16, it is characterised in that：The fixing device（ 70 ）Positioned at movable vane wheel（ 30
）Bottom sheet（ 32 ）One side, and retainer（ 74 ）Salient point be from bottom sheet（ 32 ）Outside fastened to inner side.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/074743 WO2012024954A1 (en) | 2010-08-26 | 2011-05-27 | Dc motor for vacuum cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103098350A true CN103098350A (en) | 2013-05-08 |
Family
ID=48213195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800261665A Pending CN103098350A (en) | 2011-05-27 | 2011-05-27 | DC motor for vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103098350A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706329A (en) * | 2004-06-09 | 2005-12-14 | 乐金电子(天津)电器有限公司 | Vane wheel assembling structure for fan motor in vacuum cleaner |
| JP2010059811A (en) * | 2008-09-02 | 2010-03-18 | Panasonic Corp | Electric blower and vacuum cleaner using the same |
| CN201750283U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel assembled DC dust collector motor |
| CN201750290U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel cooling-mode DC dust collector motor |
| CN201750291U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel DC dust collector motor adopting rotating shaft connecting mode |
| CN201830086U (en) * | 2010-09-20 | 2011-05-11 | 莱克电气股份有限公司 | Novel direct-current cleaner motor adopting spindle connection |
-
2011
- 2011-05-27 CN CN2011800261665A patent/CN103098350A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706329A (en) * | 2004-06-09 | 2005-12-14 | 乐金电子(天津)电器有限公司 | Vane wheel assembling structure for fan motor in vacuum cleaner |
| JP2010059811A (en) * | 2008-09-02 | 2010-03-18 | Panasonic Corp | Electric blower and vacuum cleaner using the same |
| CN201750283U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel assembled DC dust collector motor |
| CN201750290U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel cooling-mode DC dust collector motor |
| CN201750291U (en) * | 2010-08-26 | 2011-02-16 | 莱克电气股份有限公司 | Novel DC dust collector motor adopting rotating shaft connecting mode |
| CN201830086U (en) * | 2010-09-20 | 2011-05-11 | 莱克电气股份有限公司 | Novel direct-current cleaner motor adopting spindle connection |
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Application publication date: 20130508 |