CN201307782Y - Permanent magnet DC brushless motor of dust catcher - Google Patents
Permanent magnet DC brushless motor of dust catcher Download PDFInfo
- Publication number
- CN201307782Y CN201307782Y CNU2008201674177U CN200820167417U CN201307782Y CN 201307782 Y CN201307782 Y CN 201307782Y CN U2008201674177 U CNU2008201674177 U CN U2008201674177U CN 200820167417 U CN200820167417 U CN 200820167417U CN 201307782 Y CN201307782 Y CN 201307782Y
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- bearing
- silicon steel
- steel sheet
- brushless motor
- motor
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a permanent magnet DC brushless motor of a dust catcher, which comprises a plastic encapsulated DC brushless motor stator and a plastic encapsulated DC brushless motor. The DC brushless motor rotor and a rotor main shaft are connected through direct injection molding of engineering plastic and magnetic powder; and the plastic encapsulated DC brushless motor stator comprises stator ambroin, a winding, a first silicon iron sheet group, a silicon steel sheet group, and a third silicon steel sheet group which form an integral part through injection molding. the structure of the permanent magnet DC brushless motor adopts spliced combination and superposition riveted joint to realize, thereby reducing material waste caused by silicon steel sheet whole stamping in the common motor stator, reducing material cost, and improving safety performance of the product through plastic encapsulating the DC brushless motor rotor; and the DC brushless motor rotor and the is an integral part through injection molding of the magnetic powder and the engineering plastic, thereby improving the connection accuracy and reducing the cost.
Description
Technical field
The utility model relates to a kind of dc brushless motor, particularly relates to adopting new technology and the motor stator of new construction and the dust catcher non-brush permanent-magnet DC motor of rotor.
Background technology
The dust catcher direct current machine that uses on prior art such as the market, major part is a brush direct current motor, its rotor and stator are fixed on motor housing or the motor base after normally silicon steel sheet and coil winding form, its coil exposes in air, and insulating motor coil paint scratch or high-voltage breakdown all work the mischief to human body safety.And the silicon steel sheet of its motor adopts whole punch forming, has caused waste of material.These motors are by brush speed governing commutation simultaneously, and noise was big when motor ran up.As the patent No. is that ZL200620170643.1 China's utility model patent " motor of dust collector " discloses a kind of dust catcher direct current machine, and this patent is installed in motor stator on the end cap exactly, and its rotor and ironcore choke all expose in air; And this motor also has traditional phase changer and brush assembly.This patented technology scheme has just simply been improved the motor radiating structure, solves fundamentally that the motor feels hot and the commutation problem.Efficiency of motor and security performance do not have too big raising.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of integrated modeization, modularization in one, has low-noise high-efficiency, simple in structure, dependable performance safety, easy for installation, be fit to the dust catcher non-brush permanent-magnet DC motor of producing in enormous quantities.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the dust catcher non-brush permanent-magnet DC motor, comprise plastic package brushless direct current motor stator and dc brushless motor rotor, wherein: dc brushless motor rotor and rotor main shaft are formed by connecting through engineering plastics and the direct injection moulding of magnetic; The plastic package brushless direct current motor stator constitutes one by stator insulation plastics, coiling and first group of silicon steel sheet, second group of silicon steel sheet, the 3rd group of silicon steel sheet through injection mo(u)lding.
The measure of taking also comprises: first group of silicon steel sheet in the above-mentioned dc brushless motor stator, second group of silicon steel sheet are respectively to be formed by the folded mutually riveted joint of at least two blade unit silicon steel sheets with the 3rd group of silicon steel sheet.
Coiling in the above-mentioned stator insulation plastic wraps plastic package brushless direct current motor stator.
Above-mentioned rotor main shaft two ends are pressed into high-speed bearing and high-speed bearing respectively; All be shaped on air outlet on upper bearing (metal) bearing and the lower bearing bearing; Fan blade is fixedly connected on the rotor main shaft by the fan blade hold-down nut; Outer cover presses into the lower bearing bearing; Upper bearing (metal) bearing and lower bearing bearing link together by screw.
Constitute the air draught groove between above-mentioned lower bearing bearing and the outer cover, this air draught groove is connected with the air outlet that the lower bearing bearing is shaped on.
Compared with prior art, the dc brushless motor rotor and the rotor main shaft of the utility model employing are formed by connecting through engineering plastics and the direct injection moulding of magnetic; The plastic package brushless direct current motor stator constitutes one by stator insulation plastics, coiling and first group of silicon steel sheet, second group of silicon steel sheet, the 3rd group of silicon steel sheet through injection mo(u)lding; Structure adopts split combination, stack riveted joint to form; Reduced the waste of material that the whole punching press of common electric machine stator silicon steel sheet causes, reduced material cost, and, improved the security of products energy this dc brushless motor rotor plastic packaging; Its dc brushless motor rotor directly constitute one by magnetic and engineering plastics injection mo(u)lding, improved the connection precision, reduced cost.
Description of drawings
Fig. 1 is the perpendicular cross-sectional schematic of the assembling of the utility model embodiment;
Fig. 2 is the cross-sectional schematic diagram of looking of the assembling of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
It is as follows that the accompanying drawing of each components and parts is drawn label declaration among the figure: figure grade explanation: high-speed bearing 1, rotor main shaft 2, upper bearing (metal) bearing 3, dc brushless motor rotor 4, coiling 5, plastic package brushless direct current motor stator 6, lower bearing bearing 7, fan blade 8, fan blade hold-down nut 9, high-speed bearing 10, outer cover 11, air draught groove 12, stator insulation plastics 13,15, the three groups of silicon steel sheets 16 of 14, the second groups of silicon steel sheets of first group of silicon steel sheet.
As Fig. 1 to embodiment shown in Figure 2: the dust catcher non-brush permanent-magnet DC motor comprises plastic package brushless direct current motor stator 6 and dc brushless motor rotor 4.
Dc brushless motor rotor 4 among Fig. 1 is formed by connecting through engineering plastics and the direct injection moulding of magnetic with rotor main shaft 2.
Plastic package brushless direct current motor stator 6 among Fig. 1 is by the stator insulation plastics 13 among Fig. 1, and 15, the three groups of silicon steel sheets 16 of 14, the second groups of silicon steel sheets of first group of silicon steel sheet constitute one through injection mo(u)lding among coiling 5 and Fig. 2; Wherein, the coiling 5 in the stator insulation plastics 13 parcel plastic package brushless direct current motor stators 6.First group of silicon steel sheet 14 in the dc brushless motor stator 6, second group of silicon steel sheet 15 are respectively to be formed by the folded mutually riveted joint of at least two blade unit silicon steel sheets with the 3rd group of silicon steel sheet 16.The folded mutually quantity of determining unit silicon steel sheet as required.
Rotor main shaft 2 two ends are pressed into high-speed bearing 1 and high-speed bearing 10 respectively; All be shaped on air outlet on upper bearing (metal) bearing 3 and the lower bearing bearing 7; Constitute air draught groove 12 between lower bearing bearing 7 and the outer cover 11, this air draught groove 12 is connected with the air outlet that lower bearing bearing 7 is shaped on.Fan blade 8 is fixedly connected on the rotor main shaft 2 by fan blade hold-down nut 9; Outer cover 11 presses into lower bearing bearing 7.Upper bearing (metal) bearing 3 and lower bearing bearing 7 link together by screw.No Hall element feedback component on the stator insulation plastics 13 of plastic package brushless direct current motor stator 6.
Advantage of the present utility model is: it has adopted the motor new construction of plastic package brushless direct current motor stator 1 and dc brushless motor rotor 2, and the motor manufacturing is more succinct, and technology is more succinct.And motor connection precision is higher, and motor and outside connection are more convenient, and the complete machine cost reduces.Especially adopted motor stator plastic packaging and rotor magnetic and plastic injection technique, insulation property are better, and security performance is higher.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (5)
1, dust catcher non-brush permanent-magnet DC motor, comprise plastic package brushless direct current motor stator (6) and dc brushless motor rotor (4), it is characterized in that: described dc brushless motor rotor (4) is formed by connecting through engineering plastics and the direct injection moulding of magnetic with rotor main shaft (2); Described plastic package brushless direct current motor stator (6) constitutes one with first group of silicon steel sheet (14), second group of silicon steel sheet (15), the 3rd group of silicon steel sheet (16) through injection mo(u)lding by stator insulation plastics (13), coiling (5).
2, the described non-brush permanent-magnet DC motor of root a tree name claim 1 is characterized in that: the first group of silicon steel sheet (14) in the described dc brushless motor stator (6), second group of silicon steel sheet (15) and the 3rd group of silicon steel sheet (16) are respectively to be formed by the folded mutually riveted joint of at least two blade unit silicon steel sheets.
3, the described non-brush permanent-magnet DC motor of root a tree name claim 1 is characterized in that: the coiling (5) in described stator insulation plastics (13) the described plastic package brushless direct current motor stators of parcel (6).
4, root a tree name claim 1 or 2 described non-brush permanent-magnet DC motors is characterized in that: described rotor main shaft (2) two ends are pressed into high-speed bearing (1) and high-speed bearing (10) respectively; All be shaped on air outlet on upper bearing (metal) bearing (3) and the lower bearing bearing (7); Fan blade (8) is fixedly connected on the rotor main shaft (2) by fan blade hold-down nut (9); Outer cover (11) presses into lower bearing bearing (7); Upper bearing (metal) bearing (3) and lower bearing bearing (7) link together by screw.
5, the described non-brush permanent-magnet DC motor of root a tree name claim 4 is characterized in that: constitute air draught groove (12) between described lower bearing bearing (7) and the outer cover (11), this air draught groove (12) is connected with the air outlet that described lower bearing bearing (7) is shaped on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201674177U CN201307782Y (en) | 2008-11-06 | 2008-11-06 | Permanent magnet DC brushless motor of dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201674177U CN201307782Y (en) | 2008-11-06 | 2008-11-06 | Permanent magnet DC brushless motor of dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307782Y true CN201307782Y (en) | 2009-09-09 |
Family
ID=41100248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201674177U Expired - Fee Related CN201307782Y (en) | 2008-11-06 | 2008-11-06 | Permanent magnet DC brushless motor of dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307782Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570658A (en) * | 2010-12-22 | 2012-07-11 | 卧龙电气集团股份有限公司 | Electric corrosion prevention rotor and production method thereof |
| CN104257325A (en) * | 2010-05-24 | 2015-01-07 | 日立空调·家用电器株式会社 | Vacuum Cleaner |
| WO2015180557A1 (en) * | 2014-05-28 | 2015-12-03 | 莱克电气股份有限公司 | Rotor and processing and assembling method therefor |
| CN105240318A (en) * | 2014-07-10 | 2016-01-13 | 莱克电气股份有限公司 | Motor of dust collector |
| WO2017008439A1 (en) * | 2015-07-16 | 2017-01-19 | 莱克电气股份有限公司 | High-speed hall-less three-phase vacuum cleaner motor |
| EP3639716B1 (en) | 2011-10-12 | 2021-11-03 | Black & Decker Inc. | Cyclonic separation apparatus |
-
2008
- 2008-11-06 CN CNU2008201674177U patent/CN201307782Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257325A (en) * | 2010-05-24 | 2015-01-07 | 日立空调·家用电器株式会社 | Vacuum Cleaner |
| CN104257325B (en) * | 2010-05-24 | 2017-05-03 | 日立空调·家用电器株式会社 | Vacuum Cleaner |
| CN102570658A (en) * | 2010-12-22 | 2012-07-11 | 卧龙电气集团股份有限公司 | Electric corrosion prevention rotor and production method thereof |
| CN102570658B (en) * | 2010-12-22 | 2015-04-01 | 卧龙电气集团股份有限公司 | Electric corrosion prevention rotor and production method thereof |
| EP3639716B1 (en) | 2011-10-12 | 2021-11-03 | Black & Decker Inc. | Cyclonic separation apparatus |
| WO2015180557A1 (en) * | 2014-05-28 | 2015-12-03 | 莱克电气股份有限公司 | Rotor and processing and assembling method therefor |
| US10454336B2 (en) | 2014-05-28 | 2019-10-22 | Kingclean Electric Co., Ltd. | Rotor and processing and assembling method therefor |
| CN105240318A (en) * | 2014-07-10 | 2016-01-13 | 莱克电气股份有限公司 | Motor of dust collector |
| CN105240318B (en) * | 2014-07-10 | 2018-09-04 | 莱克电气股份有限公司 | Motor of dust collector |
| WO2017008439A1 (en) * | 2015-07-16 | 2017-01-19 | 莱克电气股份有限公司 | High-speed hall-less three-phase vacuum cleaner motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20151106 |
|
| EXPY | Termination of patent right or utility model |