CN209448588U - A kind of brushless high speed motor of dust collector - Google Patents
A kind of brushless high speed motor of dust collector Download PDFInfo
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- CN209448588U CN209448588U CN201920257050.6U CN201920257050U CN209448588U CN 209448588 U CN209448588 U CN 209448588U CN 201920257050 U CN201920257050 U CN 201920257050U CN 209448588 U CN209448588 U CN 209448588U
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- shaft
- limiting section
- dust collector
- magnetite
- high speed
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Abstract
The utility model relates to a kind of brushless high speed motor of dust collector, including casing and shaft, casing includes main part, and main part lower end has extended to form ventilation unit outward, and ventilation unit is formed with the air duct being connected to up and down along main part periphery；After main part lower end extends inwardly and raise upward to form limiting section, the bearing hole location being connected to up and down is formed on the inside of limiting section, bearing part is equipped in bearing hole location, shaft is passed through from bearing part, extend limiting section in the both ends of shaft, shaft one end is in vacant state, and shaft other end is fixedly connected with fan blade, and fan blade is in the outside in air duct.The hanging one end of shaft is connected with rotor and is connected with rotor portions, and rotor portions include supporting block, magnetite and protective case, and supporting block is connected on the inside of magnetite, and magnetite uses bonded neodymium-iron-boron, the periphery connection protective case of magnetite.Rotor portions are located on the inside of limiting section.Noise is small, and revolving speed is fast, and simple and reliable for structure, cheap, and wind-guiding is high-efficient, is suitable for large-scale mass production manufacture.
Description
Technical field
The utility model relates to a kind of brushless high speed motor of dust collector, belong to technical field of motors.
Background technique
Currently, brush motor occupies most of market of motor of dust collector, brush motor works as carbon because design has carbon brush
Brush has rubbed, and electrical machinery life also just terminates, so there is the brush motor of dust collector service life not grow.Main portion of the motor as dust catcher
Part, when motor breaks down, dust catcher is not just available.But other components of dust catcher are but still good, so causing
Great waste.Therefore, use brushless motor that can greatly improve the service life of dust catcher as motor of dust collector, it will not
It causes to waste.
But traditional brushless motor of dust collector and brshless DC motor, speed cannot accomplish quickly, and noise compared with
Greatly, wind power utilization rate is low, in addition, structure is complicated for conventional brush-less motor of dust collector, part is more, and assembly is cumbersome, causes brushless suction
Dirt device motor cost is high, can not popularize.Traditional front and back bearings structure to processing and assembly precision require it is very high, processing and
Assembly slightly deviation will shine bad at motor or even cause to scrap.Conventional brush-less motor can not accomplish height due to reasons in structure
Speed, therefore bigger blade is all taken in order to improve suction, to cause motor body bigger, it is unfavorable for hand-held cleaners
With the application of the mobile fields such as sweeping robot.Therefore it needs to research and develop a kind of new high speed motor of dust collector organization plan.
Utility model content
The utility model aim is to provide a kind of brushless high speed motor of dust collector, and noise is small, and revolving speed is fast, and structure
Simple and reliable, cheap, wind-guiding is high-efficient, is suitable for large-scale mass production manufacture.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of brushless high speed motor of dust collector, including
Casing and shaft, the casing include main part, and the main part lower end has extended to form ventilation unit, the ventilation unit outward
The air duct being connected to up and down is formed with along the main part periphery；After the main part lower end extends inwardly and raise upward to be formed
Limiting section is formed with the bearing hole location being connected to up and down on the inside of the limiting section, is equipped with bearing part in the bearing hole location, and described turn
Axis is passed through from the bearing part, and the limiting section is extended at the both ends of shaft, and shaft one end is in vacant state, and shaft is in addition
One end is fixedly connected with fan blade, and the fan blade is in the outside in the air duct.
As the preferred embodiment of brushless high speed motor of dust collector, the hanging one end of the shaft, which is connected with rotor and is connected with, to be turned
Sub-portion, the rotor portions include supporting block, magnetite and protective case, and the supporting block is connected on the inside of the magnetite, the magnetite
Using bonded neodymium-iron-boron, the periphery of magnetite connects the protective case.The rotor portions are located on the inside of the limiting section.Rotor portions
Effect is in rotating excitation field by magnetic force line cutting and then generation (output) electric current.Under high revolving speed, rotor portions need to bear very
Big centrifugal force, common bonded neodymium-iron-boron magnetite intensity is unbearable, enhances the endurance of rotor portions by increasing protective case.
As the preferred embodiment of brushless high speed motor of dust collector, stator department, the stator department are equipped on the outside of the rotor portions
Including stator core and stator winding frame, the inside of the stator core, the stator position is arranged in the stator winding frame
In the outside of the rotor portions, stator department is located on the inside of the limiting section.Stator department is part stationary in motor, stator
The main function in portion is to generate rotating excitation field.
As the preferred embodiment of brushless high speed motor of dust collector, described casing one end is connected with front cover, and the front cover is arranged
In the outside of the limiting section.Front cover plays the role of the seal protection to casing front end.
As the preferred embodiment of brushless high speed motor of dust collector, described casing one end is connected with rear cover, and the rear cover passes through
It is bolted to one end of the limiting section.Rear cover plays the role of the seal protection to casing rear end.
As the preferred embodiment of brushless high speed motor of dust collector, control circuit is connected between the rear cover and limiting section
Plate, the control circuit board are fixed by the bolt.Controling circuit structure of control circuit board itself belongs to the prior art, real
The control action of motor now pair.
The beneficial effects of the utility model are: main part lower end has extended to form ventilation unit outward, ventilation unit is along main body
Portion periphery is formed with the air duct being connected to up and down；After main part lower end extends inwardly and raise upward to form limiting section, limiting section
Inside is formed with the bearing hole location being connected to up and down, is equipped with bearing part in bearing hole location, and shaft is passed through from bearing part, and the two of shaft
Limiting section is extended at end, and shaft one end is in vacant state, and shaft other end is fixedly connected with fan blade, and fan blade is in air duct
Outside.Technical solutions of the utility model are by making the air duct and machine on conventional cleaners motor to casing and air duct integrated design
Shell is combined into a part, is metalwork, and it is high to can be processed degree, and shaft one end, which is in vacant state and can improve rotor portions, is fixed on casing
On concentricity, and the fixed bonding of two metalworks easily can be formed into the part that be combined into one, it is self-contained to improve motor
Precision simplifies later period motor packaging technology, the quality of batch making motor is effectively guaranteed.Magnetite adds the knot of protection steel bushing
Structure can allow motor to be increased to higher revolving speed, and high revolving speed can have bigger air quantity and wind pressure and higher efficiency.
Detailed description of the invention
Fig. 1 is brushless high speed motor of dust collector decomposition texture schematic diagram provided by the embodiment of the utility model；
Fig. 2 is schematic cross-sectional view of the brushless high speed motor of dust collector provided by the embodiment of the utility model along center；
Fig. 3 is the structural schematic diagram of brushless high speed motor of dust collector casing provided by the embodiment of the utility model；
Fig. 4 is the hanging schematic diagram of brushless high speed motor of dust collector shaft provided by the embodiment of the utility model；
Fig. 5 traditional brushless high speed motor of dust collector magnetite and protective case schematic diagram provided by the embodiment of the utility model；
In figure.1, casing；2, shaft；3, main part；4, ventilation unit；5, air duct；6, limiting section；7, bearing hole location；8, axis
Bearing member；9, fan blade；10, rotor portions；11, supporting block；12, magnetite；13, protective case；14, stator department；15, stator core；16, fixed
Sub- bobbin winder bracket；17, front cover；18, rear cover；19, control circuit board；20, bolt.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Term used in the description of the utility model is intended merely to describe
The purpose of specific embodiment, it is not intended that in limitation the utility model.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of brushless high speed motor of dust collector, including casing 1 and shaft are provided
2, the casing 1 includes main part 3, and 3 lower end of main part has extended to form ventilation unit 4 outward, and the ventilation unit 4 is along institute
It states 3 periphery of main part and is formed with the air duct 5 being connected to up and down；After 3 lower end of main part extends inwardly and raise upward to be formed
Limiting section 6 is formed with the bearing hole location 7 being connected to up and down on the inside of the limiting section 6, is equipped with bearing part 8 in the bearing hole location 7,
The shaft 2 is passed through from the bearing part 8, and the limiting section 6 is extended at the both ends of shaft 2, and 2 one end of shaft is in hanging shape
State, 2 other end of shaft are fixedly connected with fan blade 9, and the fan blade 9 is in the outside in the air duct 5.
Referring to Fig. 1 and Fig. 2, in one embodiment of brushless high speed motor of dust collector, the hanging one end connection of the shaft 2
There is rotor to be connected with rotor portions 10, the rotor portions 10 include supporting block 11, magnetite 12 and protective case 13, and the supporting block 11 connects
It connects in 12 inside of magnetite, the magnetite 12 uses bonded neodymium-iron-boron, and the periphery of magnetite 12 connects the protective case 13.It is described
Rotor portions 10 are located at 6 inside of limiting section.The effect of rotor portions 10 is in rotating excitation field by magnetic force line cutting and then generation
(output) electric current.For magnetite 12 partly because walking around under speed 80,000, rotor portions 10 need to bear very big centrifugal force, common viscous
It connects that 12 intensity of neodymium iron boron magnetite is unbearable, enhances the endurance of rotor portions 10 by increasing protective case 13.Protective case 13 can
Using the stainless steel steel bushing of 0.5mm.
Specifically, being equipped with stator department 14 on the outside of the rotor portions 10, the stator department 14 includes stator core 15 and stator
The inside of the stator core 15 is arranged in bobbin winder bracket 16, the stator winding frame 16, and the stator department 14 is located at the rotor
The outside in portion 10, stator department 14 are located at 6 inside of limiting section.Stator department 14 is part stationary in motor, stator department
14 main function is to generate rotating excitation field.
Referring to fig. 2, in one embodiment of brushless high speed motor of dust collector, described 1 one end of casing is connected with front cover 17, institute
State the outside that front cover 17 is set in the limiting section 6.Front cover 17 plays the role of the seal protection to 1 front end of casing.The casing 1
One end is connected with rear cover 18, and the rear cover 18 is connected to one end of the limiting section 6 by bolt 20.Rear cover 18 is played to casing
The seal protection of 1 rear end acts on.Control circuit board 19, the control circuit board are connected between the rear cover 18 and limiting section 6
19 is fixed by the bolt 20.The controling circuit structure of control circuit board 19 itself belongs to the prior art, the motor realized pair
Control action.
3 lower end of the utility model main part has extended to form ventilation unit 4 outward, and ventilation unit 4 is formed along 3 periphery of main part
There is the air duct 5 being connected to up and down；After 3 lower end of main part extends inwardly and raise upward to form limiting section 6,6 inside shape of limiting section
At there is the bearing hole location 7 being connected to up and down, it is equipped with bearing part 8 in bearing hole location 7, shaft 2 is passed through from bearing part 8, and the two of shaft 2
Limiting section 6 is extended at end, and 2 one end of shaft is in vacant state, and 2 other end of shaft is fixedly connected with fan blade 9, and fan blade 9 is in
The outside in air duct 5.Technical solutions of the utility model are by making on conventional cleaners motor to casing 1 and the integrated design of air duct 5
Air duct 5 and casing 1 are combined into a part, are metalwork, degree height can be processed, 2 one end of shaft, which is in vacant state, can improve rotor
Portion 10 is fixed on the concentricity on casing 1, and the fixed bonding of two metalworks easily can be formed the part being combined into one,
The self-contained precision of motor is improved, later period motor packaging technology is simplified, the quality of batch making motor is effectively guaranteed.Magnetite
Add the structure of protective case that motor can be allowed to be increased to higher revolving speed, high revolving speed can have bigger air quantity and wind pressure and higher
Efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of brushless high speed motor of dust collector, including casing (1) and shaft (2), which is characterized in that the casing (1) includes
Main part (3), main part (3) lower end have extended to form ventilation unit (4) outward, and the ventilation unit (4) is along the main body
Portion (3) periphery is formed with the air duct (5) being connected to up and down；After main part (3) lower end extends inwardly and raise upward to be formed
Limiting section (6), limiting section (6) inside are formed with the bearing hole location (7) being connected to up and down, are equipped in the bearing hole location (7)
Bearing part (8), the shaft (2) pass through from the bearing part (8), and the limiting section (6) are extended at the both ends of shaft (2),
Shaft (2) one end is in vacant state, and shaft (2) other end is fixedly connected with fan blade (9), and the fan blade (9) is in described
The outside in air duct (5).
2. a kind of brushless high speed motor of dust collector according to claim 1, which is characterized in that the shaft (2) is hanging
One end is connected with rotor and is connected with rotor portions (10), and the rotor portions (10) include supporting block (11), magnetite (12) and protective case
(13), the supporting block (11) is connected on the inside of the magnetite (12), and the magnetite (12) uses bonded neodymium-iron-boron, magnetite (12)
Periphery connect the protective case (13)；
The rotor portions (10) are located on the inside of the limiting section (6).
3. a kind of brushless high speed motor of dust collector according to claim 2, which is characterized in that on the outside of the rotor portions (10)
Equipped with stator department (14), the stator department (14) includes stator core (15) and stator winding frame (16), the stator winding frame
(16) it is arranged in the inside of the stator core (15), the stator department (14) is located at the outside of the rotor portions (10), stator
Portion (14) is located on the inside of the limiting section (6).
4. a kind of brushless high speed motor of dust collector according to claim 1, which is characterized in that described casing (1) one end connects
It is connected to front cover (17), the front cover (17) is set in the outside of the limiting section (6).
5. a kind of brushless high speed motor of dust collector according to claim 1, which is characterized in that described casing (1) one end connects
It is connected to rear cover (18), the rear cover (18) is connected to one end of the limiting section (6) by bolt (20).
6. a kind of brushless high speed motor of dust collector according to claim 5, which is characterized in that the rear cover (18) and limit
It is connected between portion (6) control circuit board (19), the control circuit board (19) is fixed by the bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257050.6U CN209448588U (en) | 2019-02-28 | 2019-02-28 | A kind of brushless high speed motor of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257050.6U CN209448588U (en) | 2019-02-28 | 2019-02-28 | A kind of brushless high speed motor of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209448588U true CN209448588U (en) | 2019-09-27 |
Family
ID=68033628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920257050.6U Active CN209448588U (en) | 2019-02-28 | 2019-02-28 | A kind of brushless high speed motor of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209448588U (en) |
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2019
- 2019-02-28 CN CN201920257050.6U patent/CN209448588U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 701, No. 301-401,71-7, No. 71-1, Xintian Avenue, Xintian Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Hengdrive Motor Co.,Ltd. Address before: Floor 3, Building A, No. 71-1, Xintian Avenue, Xintian Community, Fuyong Subdistrict, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN HENGDRIVE ELECTRIC CO.,LTD. |
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| CP03 | Change of name, title or address |