CN205453368U - Miniature digital air intake motor - Google Patents
Miniature digital air intake motor Download PDFInfo
- Publication number
- CN205453368U CN205453368U CN201521056730.XU CN201521056730U CN205453368U CN 205453368 U CN205453368 U CN 205453368U CN 201521056730 U CN201521056730 U CN 201521056730U CN 205453368 U CN205453368 U CN 205453368U
- Authority
- CN
- China
- Prior art keywords
- electric machine
- stator
- drive end
- machine casing
- bearing bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a miniature digital air intake motor, stator module and rotor subassembly in including motor casing and locating motor casing. Motor casing's the fixed front end housing that is provided with of front end. The external diameter of front end housing is less than motor casing's internal diameter. Be provided with two axisymmetric connectors between the periphery wall of front end housing and the motor casing inner wall. The upper end system of connector has two water conservancy diversion inclined planes, and the periphery wall of front end housing inwards inclines the axial extension and constitutes wind guide surface, and motor casing inner wall, water conservancy diversion inclined plane enclose the tubaeform water conservancy diversion passageway of component with wind guide surface mutually. The lower extreme of connector extends to the motor casing rear end, and stator module fixed mounting is on the extension of connector. The utility model discloses an optimize motor inner structure, improve power of induced drafting and heat -sinking capability on the volume can be reduced's basis. The efficiency of the heat exchange has avoided the other part to stop the air current simultaneously on the air current is through the route, makes the air current discharge in order, has guaranteed to induced draft is improved.
Description
Technical field
This utility model relates to a kind of brushless electric machine for vacuum cleaner, specifically a kind of Miniature digital induced-draught electric motor.
Background technology
Along with the raising of quality of the life, the use of vacuum cleaner is more and more universal.Vacuum cleaner is divided by kind dry suction vacuum cleaner and Wet-dry vacuum cleaner, and motor of dust collector is the heart of vacuum cleaner.Motor of dust collector mainly has two parts to constitute: motor part and fan section.Motor of dust collector is the highest to rotation speed requirements, along with the development of motor technology, has the motor of brush configuration gradually cannot meet the requirement of existing vacuum cleaner, and brushless motor speed is high, volume is little, easy care, applies more and more extensive in vacuum cleaner.
Patent of invention title: a kind of brushless electric machine for vacuum cleaner, number of patent application: 201310024896.2 disclose a kind of brushless electric machine for vacuum cleaner, including controller, commutator, it is embedded with the stator core of winding and is located at the rotor core within stator core, and for consolidating described stator core and the housing of described rotor core, winding described in three groups it is embedded with on described stator core, in the middle part of described rotor core, peripheral sintering has rubidium ferrum boron magnet steel, the magnetic pole that adjacent described magnet steel points to direction, place, axis is different, described magnet steel periphery is provided with stainless stirrup, described controller includes driver and position detection chip, described commutator includes transformator and AC/DC changeover switch.This patent uses stator to be effectively increased motor speed at outer rotor in interior mode, uses position detection chip detection motor position, is effectively increased the precision of position detection.
Along with the development of cleaner technology, some are the most increasing for the hand held cleaner demand of the small space such as automobile.But hand held cleaner needs, and volume is little, lightweight, suction big, and existing brushless electric machine is difficult to reach its technology requirement.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provides a kind of Miniature digital induced-draught electric motor, is reduced the volume of motor by structure innovation, and improves air draught power, motor radiating efficiency and service life.
This utility model solves the technical scheme that used of above-mentioned technical problem: a kind of Miniature digital induced-draught electric motor, including electric machine casing and in being located at electric machine casing stator assembly and rotor assembly.The front end of electric machine casing is fixedly installed drive end bearing bracket.The external diameter of drive end bearing bracket is less than the internal diameter of electric machine casing.It is provided with two axisymmetric connectors between periphery wall and the electric machine casing inwall of drive end bearing bracket.The upper end of connector is shaped with two water conservancy diversion inclined-planes, and the periphery wall of drive end bearing bracket is to inner shafts to extending composition wind-guiding face, and electric machine casing inwall, water conservancy diversion inclined-plane enclose the flaring flow-guiding channel of composition mutually with wind-guiding face.The lower end of connector extends to electric machine casing rear end, and stator module is fixedly mounted on the extension of connector.
For optimizing technique scheme, this utility model also includes the technical scheme of following improvement.
Above-mentioned stator module includes the stator installation seat being fixed on connector, the stator core being fixed on stator installation seat and stator coil, and fixes the circuit board being connected with stator installation seat.
The middle part of above-mentioned drive end bearing bracket is shaped with the axle bearing mount portion that one is connected.Rotate in axle bearing mount portion and be provided with rotating shaft.Rotating shaft is stretched out the end of drive end bearing bracket and is installed with fan blade.Rotor assembly is arranged in rotating shaft, and couples with stator module.
Above-mentioned circuit board is fixedly mounted between wind-guiding face and axle bearing mount portion, and the heat sink on circuit board is positioned at the air outlet of flow-guiding channel.
Above-mentioned electric machine casing is installed with blade cover, and blade cover is positioned at the outside of drive end bearing bracket, has smooth air-inlet cavity between drive end bearing bracket and blade cover, and fan blade is positioned at air-inlet cavity, and the edge of fan blade extends to drive end bearing bracket edge.
The back side of above-mentioned fan blade is shaped with groove, and axle bearing mount portion is positioned at groove.
Above-mentioned axle bearing mount portion has the fixed part of fixed stator iron core.
Above-mentioned axle bearing mount portion is fixed with bearing holder (housing, cover), and bearing holder (housing, cover) is provided with clutch shaft bearing and second bearing at two intervals, is provided with cushion between clutch shaft bearing and the second bearing.
Compared with prior art, Miniature digital induced-draught electric motor of the present utility model, by optimizing internal structure of motor, improves air draught power and heat-sinking capability on the basis of reducing volume.Electric machine casing inwall, water conservancy diversion inclined-plane enclose the flaring flow-guiding channel of composition mutually and lead into the air-flow within electric machine casing with wind-guiding face, make air-flow directly can blow facing to the sidewall of thermal component in the outlet of flow-guiding channel, improve heat exchanger effectiveness, avoid miscellaneous part simultaneously and pass through to stop on path air-flow at air-flow, air-flow is made to discharge in order, it is ensured that air draught efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of this utility model embodiment.
Fig. 2 is the assembling decomposing schematic representation of Fig. 1.
Fig. 3 is the profile of Fig. 1.
Fig. 4 is the bottom view of Fig. 1.
Fig. 5 is the bottom view of electric machine casing in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 to Fig. 5 show structural representation of the present utility model.
Reference therein is: electric machine casing 1, flow-guiding channel 11, drive end bearing bracket 2, wind-guiding face 2a, axle bearing mount portion 2b, fixed part 2c, connector 3, water conservancy diversion inclined-plane 3a, stator installation seat 4, stator core 41, stator coil 42, circuit board 43, fan blade 5, blade cover 51, groove 52, fresh air inlet 53, bearing holder (housing, cover) 6, clutch shaft bearing the 61, second bearing 62, cushion 63, rotating shaft 7, rotor 8.
A kind of Miniature digital induced-draught electric motor of the present utility model, including electric machine casing 1 and in being located at electric machine casing 1 stator assembly and rotor assembly.The front end of electric machine casing 1 is fixedly installed drive end bearing bracket 2.The external diameter of drive end bearing bracket 2 is less than the internal diameter of electric machine casing 1.It is provided with two axisymmetric connectors 3 between periphery wall and electric machine casing 1 inwall of drive end bearing bracket 2.The upper end of connector 3 is shaped with two water conservancy diversion inclined-plane 3a, and the periphery wall of drive end bearing bracket 2 is to inner shafts to extending composition wind-guiding face 2a, and electric machine casing 1 inwall, water conservancy diversion inclined-plane 3a and wind-guiding face 2a phase enclose the flaring flow-guiding channel 11 of composition.
The lower end of connector 3 extends to electric machine casing 1 rear end, and stator module is fixedly mounted on the extension of connector 3.By arranging connector 3, both having played the effect of fixing drive end bearing bracket 2, and can facilitate again the installation of stator module, the internal structure making electric machine casing 1 is more compact, effectively reduces motor volume.
Stator module of the present utility model includes the stator installation seat 4 being fixed on connector 3, be fixed on stator installation seat 4 stator core 41 and stator coil 42, and the circuit board 43 that be connected fixing with stator installation seat 4.
Rotating be shaped with the axle bearing mount portion 2b, axle bearing mount portion 2b that one is connected at the middle part of drive end bearing bracket 2 in and be provided with rotating shaft 7, rotating shaft 7 is stretched out the end of drive end bearing bracket 2 and is installed with fan blade 5.Rotor assembly includes a rotor 8, and rotor 8 is arranged in rotating shaft 7, and couples with stator module.
Above-mentioned circuit board 43 is fixedly mounted between wind-guiding face 2a and axle bearing mount portion 2b, and the heat sink on circuit board 43 is positioned at the air outlet of flow-guiding channel 11.There is between the wind-guiding face 2a and axle bearing mount portion 2b of drive end bearing bracket 2 installing space of circuit board 43, circuit board 43 is arranged between wind-guiding face 2a and axle bearing mount portion 2b, the internal structure that can make electric machine casing 1 is more compact, and makes the heat sink on circuit board 43 just be arranged on the air outlet of flow-guiding channel 11.After the air that fan blade 5 is discharged flows through flow-guiding channel 11 guiding, can concentrate and blow in heat sink and the side of stator coil 42, even if electric machine casing 1 inner space reduces, also can improve circuit board 43 and the heat-sinking capability of stator coil 42.
Above-mentioned electric machine casing 1 is installed with blade cover 51, and blade cover 51 is positioned at the outside of drive end bearing bracket 2, is shaped with fresh air inlet 53 at the middle part of blade cover 51.Having smooth air-inlet cavity between drive end bearing bracket 2 and blade cover 51, fan blade 5 is positioned at air-inlet cavity, and the edge of fan blade 5 extends to drive end bearing bracket 2 edge.In prior art, being typically provided with multiple wind blade between blade cover 51 and drive end bearing bracket 2, multiple wind blades are centered around fan blade 5 peripheral guiding wind-force, but also limit the size of fan blade 5, reduce air draught power.This utility model encloses the flaring flow-guiding channel 11 of composition by electric machine casing 1 inwall, water conservancy diversion inclined-plane 3a with wind-guiding face 2a phase and guides wind-force, without to arrange wind blade again, the edge that can make fan blade 5 extends to drive end bearing bracket 2 edge, increases the size of fan blade 5, improves air draught power.
In prior art, after air-flow enters motor internal, can be stopped that by the various parts of motor internal such as stator module, circuit board etc. reduce air draught power on certain procedures.In this utility model, air-flow enters electric machine casing 1 inside by flaring flow-guiding channel 11, just can discharge in order after only carrying out heat exchange with the sidewall of heat sink and the sidewall of stator coil 42, other parts do not pass through on path at air-flow, it is ensured that air draught efficiency.
The back side of above-mentioned fan blade 5 is shaped with groove 52, and axle bearing mount portion 2b is positioned at groove 52, to reduce motor volume.
Above-mentioned axle bearing mount portion 2b has the fixed part 2c of fixed stator iron core 41, plays the effect strengthening stator core 41 stability.
It is fixed with bearing holder (housing, cover) 6 in above-mentioned axle bearing mount portion 2b, is provided with clutch shaft bearing 61 and second bearing 62 at two intervals in bearing holder (housing, cover) 6, between clutch shaft bearing 61 and the second bearing 62, is provided with cushion 63.Use cushion 63 can reduce clutch shaft bearing 61 and the installing space of the second bearing 62.
Most preferred embodiment of the present utility model illustrates, those of ordinary skill in the art the various changes made or remodeling are all without departing from scope of the present utility model.
Claims (8)
1. a Miniature digital induced-draught electric motor, including electric machine casing (1) and in being located at electric machine casing (1) stator assembly and rotor assembly, it is characterized in that: the front end of described electric machine casing (1) is fixedly installed drive end bearing bracket (2)；The external diameter of described drive end bearing bracket (2) is less than the internal diameter of electric machine casing (1)；It is provided with two axisymmetric connectors (3) between periphery wall and electric machine casing (1) inwall of described drive end bearing bracket (2)；The upper end of described connector (3) is shaped with two water conservancy diversion inclined-planes (3a), the periphery wall of described drive end bearing bracket (2) is to inner shafts to extending composition wind-guiding face (2a), and described electric machine casing (1) inwall, water conservancy diversion inclined-plane (3a) enclose the flaring flow-guiding channel of composition (11) mutually with wind-guiding face (2a)；The lower end of described connector (3) extends to electric machine casing (1) rear end, and described stator module is fixedly mounted on the extension of connector (3).
A kind of Miniature digital induced-draught electric motor the most according to claim 1, it is characterized in that: described stator module includes the stator installation seat (4) being fixed on connector (3), the stator core (41) that is fixed on stator installation seat (4) and stator coil (42), and the circuit board (43) that be connected fixing with stator installation seat (4).
A kind of Miniature digital induced-draught electric motor the most according to claim 2, is characterized in that: the middle part of described drive end bearing bracket (2) is shaped with the axle bearing mount portion (2b) that one is connected；Rotate in described axle bearing mount portion (2b) and be provided with rotating shaft (7)；Described rotating shaft (7) is stretched out the end of drive end bearing bracket (2) and is installed with fan blade (5)；Described rotor assembly is arranged in described rotating shaft (7), and couples with stator module.
A kind of Miniature digital induced-draught electric motor the most according to claim 3, it is characterized in that: described circuit board (43) is fixedly mounted between wind-guiding face (2a) and axle bearing mount portion (2b), and the heat sink on described circuit board (43) is positioned at the air outlet of flow-guiding channel (11).
A kind of Miniature digital induced-draught electric motor the most according to claim 4, it is characterized in that: described electric machine casing (1) is installed with blade cover (51), blade cover (51) is positioned at the outside of drive end bearing bracket (2), between described drive end bearing bracket (2) and blade cover (51), there is smooth air-inlet cavity, described fan blade (5) is positioned at air-inlet cavity, and the edge of fan blade (5) extends to drive end bearing bracket (2) edge.
A kind of Miniature digital induced-draught electric motor the most according to claim 5, is characterized in that: the back side of described fan blade (5) is shaped with groove (52), described axle bearing mount portion (2b) is positioned at groove (52).
A kind of Miniature digital induced-draught electric motor the most according to claim 6, is characterized in that: described axle bearing mount portion (2b) has the fixed part (2c) of fixed stator iron core (41).
A kind of Miniature digital induced-draught electric motor the most according to claim 7, it is characterized in that: described axle bearing mount portion (2b) is fixed with bearing holder (housing, cover) (6), described bearing holder (housing, cover) (6) is provided with clutch shaft bearing (61) and second bearing (62) at two intervals, is provided with cushion (63) between clutch shaft bearing (61) and the second bearing (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056730.XU CN205453368U (en) | 2015-12-17 | 2015-12-17 | Miniature digital air intake motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056730.XU CN205453368U (en) | 2015-12-17 | 2015-12-17 | Miniature digital air intake motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453368U true CN205453368U (en) | 2016-08-10 |
Family
ID=57180191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521056730.XU Withdrawn - After Issue CN205453368U (en) | 2015-12-17 | 2015-12-17 | Miniature digital air intake motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406634A (en) * | 2015-12-17 | 2016-03-16 | 宁波纽兴克电机有限公司 | Micro digital air suction motor |
-
2015
- 2015-12-17 CN CN201521056730.XU patent/CN205453368U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406634A (en) * | 2015-12-17 | 2016-03-16 | 宁波纽兴克电机有限公司 | Micro digital air suction motor |
| CN105406634B (en) * | 2015-12-17 | 2017-05-17 | 宁波纽新克电机股份有限公司 | Micro digital air suction motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101105188B (en) | Suction cleaner blower | |
| JP4706092B2 (en) | Electric blower and electric vacuum cleaner using the same | |
| CN211579812U (en) | Brushless dust catcher motor and dust catcher | |
| CN105406634B (en) | Micro digital air suction motor | |
| CN205389165U (en) | Dust catcher DC Brushless motor | |
| CN205453368U (en) | Miniature digital air intake motor | |
| CN205453392U (en) | Motor for dust collector | |
| CN205618393U (en) | Adopt axial flux brushless motor's dust collector fan | |
| CN101862156B (en) | Electric blower and electric dust collector including the same | |
| CN208442047U (en) | A kind of small-sized dry and wet two-purpose dust collector electric fan | |
| CN105406644B (en) | A kind of digital induced-draught electric motor | |
| CN205622447U (en) | Adopt axial flux brushless motor's dust collector fan | |
| CN206099653U (en) | Induced draft from fanning cold type open motor | |
| CN213508249U (en) | Hand-held hair drier | |
| CN111987855A (en) | Stator module and fan motor | |
| CN108678976A (en) | A kind of small-sized dry and wet two-purpose dust collector electric fan | |
| CN205248976U (en) | Digital air intake motor | |
| CN212959185U (en) | Mounting structure of fan and dust catcher of using thereof | |
| CN111030359B (en) | Wind pressure self-increasing motor heat dissipation device based on Bernoulli principle | |
| CN105827079A (en) | Dust collector blower fan using axial magnetic flux brushless motor | |
| CN206432844U (en) | One kind is used for rotor winding formula motor ventilation and cooling structure | |
| CN212463003U (en) | Stator module and fan motor | |
| CN205583932U (en) | Dust catcher brushless motor's cooling device | |
| CN219499144U (en) | High-speed motor and dust collector | |
| CN219268656U (en) | High-efficiency refrigerating dust collector motor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20170517 |