CN206712587U - Rotor mounting structure and blower fan system - Google Patents
Rotor mounting structure and blower fan system Download PDFInfo
- Publication number
- CN206712587U CN206712587U CN201720474032.4U CN201720474032U CN206712587U CN 206712587 U CN206712587 U CN 206712587U CN 201720474032 U CN201720474032 U CN 201720474032U CN 206712587 U CN206712587 U CN 206712587U
- Authority
- CN
- China
- Prior art keywords
- rotor
- bearing
- mounting structure
- cylindrical portion
- stator
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Field of power tools is the utility model is related to, discloses a kind of rotor mounting structure and blower fan system, the rotor mounting structure includes rotor erecting device（40）, stator（50）, bearing（61）With the rotor installed by the bearing（62）, the rotor erecting device includes housing（41）, the rotor installation portion that is arranged in the housing（44）And connect the connector of the housing and the rotor installation portion（42）, the rotor installation portion includes bearing chamber（441）, the bearing is interior installed in the bearing chamber and is positioned by the bearing chamber, and the stator is installed on the connector.The utility model is accurately positioned bearing by bearing chamber, it is ensured that the installation accuracy of rotor, meanwhile, by the way that stator is installed into connector, it can make rotor and stator that there is identical installation foundation.Thus, it is possible to more preferable air gap uniformity is obtained, so as to reduce motor noise.
Description
Technical field
Electric tool is the utility model is related to, more particularly to rotor mounting structure and blower fan system.
Background technology
High-speed electric expreess locomotive has small volume, power density are high, can be joined directly together and can improve drive system with load at a high speed to imitate
The advantages that rate, good application is obtained in the field such as household electrical appliances and lathe.The rotating speed of high-speed electric expreess locomotive is usually above 10,000 r/min, and one
The rotating speed of a little domestic vacuum cleaners micro-machines is even as high as 110,000 r/min.The high rotation speed operation of motor, vibrating noise are larger.At present,
Motor noise can be reduced by the air gap uniformity of stator core and rotor magnetic ring.But it is fixed that this needs precisely controls
Son, the installation accuracy of rotor.
Utility model content
The purpose of this utility model is to provide a kind of rotor mounting structure, to improve the installation accuracy of stator, rotor.
To achieve these goals, on the one hand the utility model provides a kind of rotor mounting structure, wherein, described fixed turn
Sub- mounting structure includes rotor erecting device, stator, bearing and the rotor installed by the bearing, the rotor installation
Device includes housing, the rotor installation portion being arranged in the housing and the company for connecting the housing and the rotor installation portion
Fitting, the rotor installation portion include bearing chamber, and the bearing is arranged in the bearing chamber and positioned by the bearing chamber,
The stator is installed on the connector.
Preferably, the bearing chamber includes open arrival end and the port of export, and the port of export is provided with for axially fixed
The locating ring of the position bearing.
Preferably, the rotor includes armature spindle and is installed on the magnet ring of the armature spindle, and the armature spindle passes through described
Bearing is installed, and the internal diameter of the locating ring is more than the external diameter of the magnet ring.
Preferably, there is gap, the bearing passes through filling with the bearing chamber between the bearing and the bearing chamber
Binding agent in the gap is fixedly connected.
Preferably, the axial dimension of the bearing chamber is not less than the axial dimension of the bearing.
Preferably, the inwall of the stator and the housing is arranged at intervals.
Preferably, the bearing supports for middle duplex bearing list.
Preferably, the rotor installation portion is formed as the form of multi-diameter shaft and has the first cylindrical portion and the second cylindrical portion,
The diameter of first cylindrical portion is less than the diameter of the second cylindrical portion, and the bearing chamber runs through first cylindrical portion and the second cylinder
Portion, second cylindrical portion along the multiple connectors for radially extending and being spaced of second cylindrical portion by connecting
In the housing.
Preferably, diameter of multiple connectors along second cylindrical portion is arranged in pairs；And/or the company
Auxiliary mounting hole is provided with fitting and/or second cylindrical portion.
The utility model also provides a kind of blower fan system, wherein, the blower fan system includes rotor of the present utility model
Mounting structure.
Pass through above-mentioned technical proposal, bearing can be accurately positioned by bearing chamber, so that it is guaranteed that the installation accuracy of rotor, together
When, by the way that stator is installed into connector, it can make rotor and stator that there is identical installation foundation.Thus, it is possible to obtain more
Good air gap uniformity, so as to reduce motor noise.
Brief description of the drawings
Fig. 1 is the rotor erecting device and rotor set of a kind of embodiment of rotor mounting structure of the present utility model
The stereogram of part；
Fig. 2 is Fig. 1 front view；
Fig. 3 be Fig. 2 in rotor assembly be installed in place after sectional view；
Fig. 4 is Fig. 3 top view.
Description of reference numerals
40- rotor erecting devices, 41- housings, 42- connectors, 42a- stator mounting holes, the circumferentially positioned portions of 43-, 44-
Rotor installation portion, 441- bearing chambers, 441a- locating rings, 442- auxiliary mounting holes, 50- stators, 60- rotor assembly, 61- bearings,
62- rotors, 621- armature spindles, 622- magnet rings.
Embodiment
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used is usual
Refer to the upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.
According to one side of the present utility model, there is provided a kind of rotor mounting structure, wherein, the rotor installation knot
Structure includes rotor erecting device 40, stator 50, bearing 61 and rotor 62 (bearing 61 and the rotor installed by the bearing 61
62 can be as single part or complete component (such as rotor assembly 60 in illustrated embodiment)), described fixed turn
Sub- erecting device 40 includes housing 41, the rotor installation portion 44 being arranged in the housing 41 and the connection housing 41 and institute
The connector 42 of rotor installation portion 44 is stated, the rotor installation portion 44 includes bearing chamber 441, and the bearing 61 is arranged on described
Positioned in bearing chamber 441 and by the bearing chamber 441, the stator 50 is installed on the connector 42.
Rotor mounting structure of the present utility model can be accurately positioned bearing 61 by bearing chamber 441, so that it is guaranteed that turning
The installation accuracy of son 62.Meanwhile by the way that stator 50 is installed into connector 42, it can make rotor 62 and stator 50 that there is identical
Installation foundation, thus, it is possible to more preferable air gap uniformity be obtained, so as to reduce motor noise.
In addition, bearing chamber 441 can include open arrival end and the port of export, bearing is installed will pass through bearing chamber 441
The relevant portion of rotor 62 is allowed to set while 61.Wherein it is preferred to the port of export is provided with for described in axially position
The locating ring 441a of bearing 61, to be more accurately located the installation site of bearing 61.
In embodiment as shown in Figure 1 to Figure 3, the rotor 62 includes armature spindle 621 and is installed on the armature spindle
621 magnet ring 622, the armature spindle 621 are installed by the bearing 61, and the internal diameter of the locating ring 441a is more than the magnet ring
622 external diameter, so as to while by locating ring 441a axially positions bearing 61, it is allowed to which magnet ring 622 is passed through and is arranged on suitable
Work as position.
Wherein, bearing 61 can be positioned in bearing chamber 441 by various appropriate ways.Preferably, for ease of installation, institute
Stating has gap between bearing 61 and the bearing chamber 441, the bearing 61 and the bearing chamber 441 by be filled in it is described between
Binding agent in gap is fixedly connected.Thus, it is possible to bearing 61 first is put into pre-determined bit in bearing chamber 441 (such as passes through locating ring
441a is positioned), then the outer ring of bearing 61 and bearing chamber 441 are fixed by injecting binding agent.
Furthermore it is preferred that it is not small by the strong fix bearing 61 of bearing chamber 441, the axial dimension of the bearing chamber 441
In the axial dimension of the bearing 61, so as to which bearing 61 can be all positioned in bearing chamber 441.
Bearing chamber 441 can be set by various appropriate ways, and rotor installation portion 44 can be set by corresponding mode
In housing 41.To take into account the setting of bearing chamber 441 and simplifying structure, it is preferable that the rotor installation portion 44 is formed as ladder
The form of axle simultaneously has the first cylindrical portion and the second cylindrical portion, and the diameter of the first cylindrical portion is less than the diameter of the second cylindrical portion, institute
State bearing chamber 441 and run through first cylindrical portion and the second cylindrical portion, second cylindrical portion is by along second cylindrical portion
The multiple connectors 42 for radially extending and being spaced be connected to the housing 41.Thus, on the one hand, can be easily
Bearing chamber 441 is formed, on the other hand, only can be connected to the part increased in size of housing 41, so as to simplify structure and saving
Cost.Wherein, rotor installation portion 44 is connected to housing 41 by connector 42, to increase connective stability, it is preferable that multiple described
Diameter of the connector 42 along second cylindrical portion is arranged in pairs.
As described above, connector 42 is also used as the installation foundation of stator 50, so that stator 50 and rotor 62 have phase
Same installation foundation, further improve air gap uniformity.Wherein, stator 50 can be installed to connector 42 by appropriate ways,
Such as the stator mounting hole 42a for installing the stator 50 is provided with the connector 42, stator 50 can pass through fastening
Part is installed on stator mounting hole 42a.
Preferably, the inwall of the stator 50 and the housing 41 is arranged at intervals, so as to be installed to connector in stator 50
It can be spaced apart to form annular channel between stator 50 and housing 41 with housing 41 when 42, in housing 41 from its upper end
In the case of air intake, air-flow can flow through annular runner and the part to each part and annular runner downstream of stator 50 provides
Radiating effect.In addition, to provide stator 50 positioning, rotor erecting device 40 can be included from the inwardly projecting week of housing 41
It is circumferentially positioned to provide stator 50 to location division 43.
In addition, rotor erecting device 40 can be also used for providing installation foundation to associated components.For example, the connector
42 and/or the rotor installation portion 44 be provided with auxiliary mounting hole 442, such as used in rotor mounting structure of the present utility model
When blower fan system, auxiliary mounting hole 442 can be used for installing guide vane wheel.Wherein, auxiliary mounting hole 442 can be arranged on suitably
Position, for example, in the illustrated embodiment, be respectively arranged with the connector 42 and second cylindrical portion a pair it is auxiliary
Help mounting hole 442.
In the utility model, bearing 61 can be various appropriate formats, it is preferable that the bearing 61 is middle duplex bearing list
Support, i.e., it is interior to have two small bearing list brace type bearing, to provide support in longer axial distance.
According to another aspect of the present utility model, there is provided a kind of blower fan system, wherein, the blower fan system includes this practicality
New rotor mounting structure.
In blower fan system of the present utility model, bearing 61 can be accurately positioned by bearing chamber 441, so that it is guaranteed that rotor 62
Installation accuracy.Meanwhile by the way that stator 50 is installed into connector 42, rotor 62 and stator 50 can be made to be installed with identical
Basis, thus, it is possible to more preferable air gap uniformity be obtained, so as to reduce motor noise.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
The utility model is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition,
The utility model no longer separately illustrates to various combinations of possible ways.But these simple variants and combination should equally be considered as this
Utility model disclosure of that, belongs to the scope of protection of the utility model.
Claims (10)
- A kind of 1. rotor mounting structure, it is characterised in that the rotor mounting structure include rotor erecting device (40), Stator (50), bearing (61) and the rotor (62) installed by the bearing (61), the rotor erecting device (40) include Housing (41), the rotor installation portion (44) being arranged in the housing (41) and the connection housing (41) and rotor peace The connector (42) in dress portion (44), the rotor installation portion (44) include bearing chamber (441), and the bearing (61) is arranged on described Positioned in bearing chamber (441) and by the bearing chamber (441), the stator (50) is installed on the connector (42).
- 2. rotor mounting structure according to claim 1, it is characterised in that the bearing chamber (441) includes open Arrival end and the port of export, the port of export are provided with the locating ring (441a) for bearing described in axially position (61).
- 3. rotor mounting structure according to claim 2, it is characterised in that the rotor (62) includes armature spindle (621) and the magnet rings (622) of the armature spindle (621) being installed on, the armature spindle (621) is installed by the bearing (61), The internal diameter of the locating ring (441a) is more than the external diameter of the magnet ring (622).
- 4. rotor mounting structure according to claim 1, it is characterised in that the bearing (61) and the bearing chamber (441) there is gap, the bearing (61) is consolidated with the bearing chamber (441) by the binding agent being filled in the gap between Fixed connection.
- 5. rotor mounting structure according to claim 1, it is characterised in that the axial dimension of the bearing chamber (441) Not less than the axial dimension of the bearing (61).
- 6. rotor mounting structure according to claim 1, it is characterised in that the stator (50) and the housing (41) Inwall be arranged at intervals.
- 7. rotor mounting structure according to claim 1, it is characterised in that the bearing (61) is middle duplex bearing list Support.
- 8. the rotor mounting structure according to any one in claim 1-7, it is characterised in that the rotor installation portion (44) be formed as the form of multi-diameter shaft and there is the first cylindrical portion and the second cylindrical portion, the diameter of the first cylindrical portion is less than the second circle The diameter in post portion, the bearing chamber (441) run through first cylindrical portion and the second cylindrical portion, and second cylindrical portion passes through edge The multiple connectors (42) for radially extending and being spaced of second cylindrical portion are connected to the housing (41).
- 9. rotor mounting structure according to claim 8, it is characterised in that multiple connectors (42) are along described The diameter of two cylindrical portions is arranged in pairs；And/or it is provided with the connector (42) and/or second cylindrical portion auxiliary Help mounting hole (442).
- 10. a kind of blower fan system, it is characterised in that the blower fan system includes described in any one determining in claim 1-9 Rotor mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474032.4U CN206712587U (en) | 2017-04-28 | 2017-04-28 | Rotor mounting structure and blower fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474032.4U CN206712587U (en) | 2017-04-28 | 2017-04-28 | Rotor mounting structure and blower fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712587U true CN206712587U (en) | 2017-12-05 |
Family
ID=60457815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720474032.4U Active CN206712587U (en) | 2017-04-28 | 2017-04-28 | Rotor mounting structure and blower fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206712587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171479A (en) * | 2017-04-28 | 2017-09-15 | 广东威灵电机制造有限公司 | Rotor mounting structure and blower fan system |
| CN109245410A (en) * | 2018-10-22 | 2019-01-18 | 深圳市中驱电机有限公司 | A kind of ultrahigh rotating speed motor |
-
2017
- 2017-04-28 CN CN201720474032.4U patent/CN206712587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171479A (en) * | 2017-04-28 | 2017-09-15 | 广东威灵电机制造有限公司 | Rotor mounting structure and blower fan system |
| CN109245410A (en) * | 2018-10-22 | 2019-01-18 | 深圳市中驱电机有限公司 | A kind of ultrahigh rotating speed motor |
| CN109245410B (en) * | 2018-10-22 | 2023-09-01 | 深圳市中驱电机有限公司 | Ultrahigh-rotation-speed motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103597215B (en) | Oblique draught fan | |
| CN206785668U (en) | Blower fan system and electric device | |
| CN109185196A (en) | electric fan | |
| CN206712587U (en) | Rotor mounting structure and blower fan system | |
| CN106169819A (en) | Monophase machine, fluid generating device and electric equipment | |
| CN104958046A (en) | Motor-built-in-type dust-collector rolling brush structure | |
| CN107171466A (en) | Stator mounting arrangement, stator mounting structure and blower fan system | |
| CN105703520B (en) | Magnetic suspension bearing high-speed motor with air bearing auxiliary | |
| CN107171479A (en) | Rotor mounting structure and blower fan system | |
| CN104481898B (en) | Use the external rotor axial-flow fan of electromagnetic bearing | |
| CN203655686U (en) | Blower support assembly and blower employing same | |
| CN208924080U (en) | A kind of motor | |
| CN205533310U (en) | Vertical fan that directly allies oneself with | |
| WO2019119803A1 (en) | Fan assembly and household appliance | |
| CN2912094Y (en) | Brushless d.c. dynamo with external Hall element | |
| CN106787309A (en) | Single-phase permanent brushless motor | |
| CN206211809U (en) | A kind of brush DC crossflow fan | |
| CN206149101U (en) | A high rotational speed series excited machine for food mixer | |
| CN208424158U (en) | Electric machine | |
| CN210927417U (en) | Novel superspeed single-phase motor | |
| CN209228650U (en) | A kind of integral type centrifugal compressor | |
| CN206149075U (en) | Hollow shaft brushless motor | |
| CN105890138A (en) | Air conditioner, outdoor unit and fan system thereof | |
| CN202065211U (en) | Novel electric fan | |
| CN201656607U (en) | Polyphase winding permanent magnet brushless DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |