CN205639011U - Be suitable for through -flow fan structure of high rotational speed - Google Patents
Be suitable for through -flow fan structure of high rotational speed Download PDFInfo
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- CN205639011U CN205639011U CN201620432893.1U CN201620432893U CN205639011U CN 205639011 U CN205639011 U CN 205639011U CN 201620432893 U CN201620432893 U CN 201620432893U CN 205639011 U CN205639011 U CN 205639011U
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- main shaft
- flow fan
- fan structure
- wind wheel
- fan
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Abstract
The utility model discloses a be suitable for through -flow fan structure of high rotational speed, including the fan main part, the fan main part includes the fan shell, lies in the air wheel component of fan shell, rotor subassembly and stator module, the both ends of fan shell are provided with the end cover, air wheel component lies in the fan shell, and air wheel component includes to fix along fan shell length orientation and fix at main epaxial spacer and install the wind turbine blade on the spacer on the main shaft at both ends lid center, at least two, antifriction bearing has been cup jointed at the main shaft both ends, the rotor subassembly cup joints on the main shaft of wind turbine blade one end, stator module overlaps in the rotor subassembly outsidely. The utility model discloses a make the improvement to current through -flow fan structure, improve the rotational speed of through -flow fan, reach good rotational equilibrium, improve its life.
Description
Technical field
This utility model relates to Fan Equipment technical field, is specifically related to a kind of applicable high-revolving cross-flow fan structure.
Background technology
Cross flow fan is again crossflow fan, is mainly made up of impeller, air channel and motor three part.Impeller material is generally
Aluminium alloy or engineering plastics.Aluminum alloy impeller intensity is high, lightweight, high temperature resistant, it is possible to keep permanent steadily operating and indeformable;
Plastic impeller is by mold injection, then is formed by ultrasonic bonding, is generally used for the occasion that rotating speed is relatively low, is relatively large in diameter.Air channel one
As be sheet metal punch forming, it is also possible to plastics or aluminium alloy casting.Casing uses airflow design, is effectively reduced air-flow
Loss, make the work efficiency of blower fan be greatly improved.Motor is the power section of cross flow fan, can be with Alternating Current Power Supply, it is possible to
With direct current supply.Alternating Current Power Supply mainly has shaded-pole motor and capacitor motor, and direct current supply is then that brush DC is electronic
Machine.Drive motor general and impeller is flexible installing, be fixed on air channel.Cross flow fan is the most distinguished and the most admirable because of it, fan shaft during production
To length adjustable within the specific limits, being widely used in domestic air conditioning, the products such as stove, dim blower fan, air purifier held by wall
In.
As it is shown in figure 1, existing cross flow fan is mainly by motor, wind wheel, fan casing and related fittings composition, whole
Having three bearings in individual blower fan, have two bearings, blower fan non-dress motor side to have a bearing in motor, motor shaft and wind wheel are with one
Individual rubber parts is flexible coupling, and in blower fan three bearings are the most point-blank made certain repairing effect.Because of three bearings not
On a straight line, motor shaft uses soft strength with wind wheel, waits the usual rotating speed of the cross flow fan causing commonly using below
4000RPM, it is impossible to be suitable for high-revolving condition.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide one to be suitable for high-revolving through-flow wind
Machine structure, by making improvements existing cross-flow fan structure, improves the rotating speed of cross flow fan, and the rotation reaching good is put down
Weighing apparatus, improves its service life.
For solving the problems referred to above, the technical scheme that this utility model is used is as follows:
A kind of applicable high-revolving cross-flow fan structure, including fan main body, described fan main body includes blower housing, position
Wind wheel assembly, rotor assembly and stator module in blower housing；The two ends of described blower housing are provided with end cap, described wind
Wheel assembly is positioned at blower housing, and wind wheel assembly includes the main shaft, extremely being fixed on two end cap center along blower housing length direction
Few two spacers being fixed on main shaft and the wind wheel blade being arranged on spacer, described main shaft two ends are socketed with rolling
Bearing；Described rotor assembly is socketed on the main shaft of wind wheel blade one end, and described stator module is placed on outside rotor assembly.
As further scheme, rotor assembly described in the utility model includes rotor core and permanent magnet, described turn
Sub-iron core is fixed on main shaft, and permanent magnet is fixed on rotor core exterior periphery.
As further scheme, described permanent magnet described in the utility model is Nd-Fe-B permanent magnet.
As further scheme, stator module described in the utility model includes stator core and stator coil, stator
Iron core is fixed on permanent magnet excircle, and stator coil winding is in stator core.
As further scheme, spacer center described in the utility model is provided with the axis hole matched with main shaft, axle
Bore edges extends outward the flange of annular, being connected on main shaft by shaft hole sleeve and be fixed on main shaft by flange of spacer
On.
As further scheme, blower housing described in the utility model includes spiral case and tongue integrated with spiral case
Sheet.
As further scheme, rolling bearing described in the utility model and main shaft interference fit.
As further scheme, the aluminum blade that wind wheel blade described in the utility model uses thickness to be 0.8mm.
Compared to existing technology, the beneficial effects of the utility model are:
Applicable high-revolving cross-flow fan structure main shaft the most described in the utility model is by wind wheel assembly and rotor assembly
Connecting as one, the wind wheel changing tradition cross flow fan couples with rotor rubber parts, is effective to ensure that motor
Rotor and wind wheel linearity, improve the reliability of kinetic energy transmission；
In applicable high-revolving cross-flow fan structure the most described in the utility model, stator module is positioned at blower housing,
Changing tradition cross flow fan uses connecting plate to carry out second positioning, improves the positioning precision of product, effectively reduces simultaneously
Blower fan axial length；
In applicable high-revolving cross-flow fan structure the most described in the utility model, further scheme, blower housing bag
Include spiral case and tongue piece integrated with spiral case, form blower fan runner；
The rotating speed being suitable for high-revolving cross-flow fan structure blower fan the most described in the utility model can reach 7800RPM, fortune
Row is steadily；It is suitable for high-revolving needs.
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing cross flow fan；
Fig. 2 is the schematic diagram being suitable for high-revolving cross-flow fan structure described in the utility model；
Fig. 3 is sectional view at the A-A of Fig. 2；
Fig. 4 is sectional view at the B-B of Fig. 2；
Wherein, each reference is: 1, motor；2, wind wheel；10, blower housing；11, end cap；12, spiral case；13, tongue piece；
20, wind wheel assembly；21, main shaft；22, spacer；221, flange；23, wind wheel blade；30, rotor assembly；31, rotor core；
32, permanent magnet；40, stator module；41, stator core；42, stator coil；50, rolling bearing.
Detailed description of the invention
As it is shown in figure 1, existing cross flow fan is mainly by motor 1, wind wheel 2, blower housing 10 and related fittings group
Become, whole blower fan has three bearings, motor has two bearings, blower fan non-dress motor side have a bearing, motor shaft and wind
Wheel is flexible coupling with a rubber parts, and in blower fan three bearings are the most point-blank made certain repairing effect.Because of three
Bearing is not on a straight line, and motor shaft uses soft strength with wind wheel, waits the usual rotating speed of the cross flow fan causing commonly using below
4000RPM, it is impossible to be suitable for high-revolving condition.
As in figure 2 it is shown, applicable high-revolving cross-flow fan structure described in the utility model, including fan main body, described
Fan main body includes blower housing 10, is positioned at the wind wheel assembly 20 of blower housing 10, rotor assembly 30 and stator module 40；Institute
The two ends stating blower housing 10 are provided with end cap 11, and described wind wheel assembly 20 is positioned at blower housing 10, and wind wheel assembly 20 includes
Be fixed on the main shaft 21 at two end cap center along blower housing 10 length direction, spacer 22 that at least two is fixed on main shaft 21
And the wind wheel blade 23 being arranged on spacer 22, described main shaft 21 two ends are socketed with rolling bearing 50；Described rotor assembly
On 30 main shafts 21 being socketed in wind wheel blade 23 one end, it is outside that described stator module 40 is placed on rotor assembly 30.In this scenario,
Wind wheel assembly connects as one with rotor assembly, and the wind wheel changing tradition cross flow fan joins with rotor rubber parts
Connect, be effective to ensure that rotor and wind wheel linearity, improve the reliability of kinetic energy transmission；Stator module is positioned at blower housing
In, change tradition cross flow fan and use connecting plate to carry out second positioning, improve the positioning precision of product, the most effectively reduce
Blower fan axial length.
As further scheme, rotor assembly 30 described in the utility model includes rotor core 31 and permanent magnet 32,
Described rotor core 31 is fixed on main shaft 21, and permanent magnet 32 is fixed on rotor core 31 exterior periphery.
As further scheme, permanent magnet 32 described in the utility model is Nd-Fe-B permanent magnet.
As further scheme, stator module 40 described in the utility model includes stator core 41 and stator coil
42, stator core 41 is fixed on permanent magnet 32 excircle, and stator coil 42 is wrapped in stator core 41.
As further scheme, spacer 22 center described in the utility model is provided with the axle matched with main shaft 21
Hole, axis hole edge extends outward the flange 221 of annular, being connected on main shaft 21 by shaft hole sleeve and by turning over of spacer 22
221 limits are fixed on main shaft 21.
As further scheme, blower housing 10 described in the utility model includes spiral case 12 and becomes with spiral case 12 one
The tongue piece 13 of type.Forming blower fan runner, spiral case and tongue piece aluminium alloy lead to precision die cold drawing molding, the dimensional uniformity of parts
And intensity is all fine, the multiplex hardware stamping of flow channel component parts changing tradition cross flow fan forms, yielding state；Runner
Two sections of faces require to carry out secondary operations with high-precision CNC lathe, to meet the relevant form and position tolerance of flow channel component both ends of the surface
Requirement.
As further scheme, rolling bearing 50 described in the utility model and main shaft interference fit.
As further scheme, the aluminum blade that wind wheel blade 23 described in the utility model uses thickness to be 0.8mm.
Using duplicate removal method balance, the rotating speed of blower fan can reach 7800RPM, operates steadily, and reaches to design requirement.
Above-mentioned embodiment is only preferred implementation of the present utility model, it is impossible to limit this utility model protection with this
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of this utility model and replacing all belongs to
In this utility model scope required for protection.
Claims (8)
1. it is suitable for a high-revolving cross-flow fan structure, including fan main body, it is characterised in that described fan main body includes wind
Machine shell, it is positioned at wind wheel assembly, rotor assembly and the stator module of blower housing；The two ends of described blower housing are provided with end
Lid, described wind wheel assembly is positioned at blower housing, and wind wheel assembly includes being fixed on two end cap center along blower housing length direction
Main shaft, spacer that at least two is fixed on main shaft and the wind wheel blade that is arranged on spacer, described main shaft two ends
It is socketed with rolling bearing；Described rotor assembly is socketed on the main shaft of wind wheel blade one end, and described stator module is placed on rotor set
Outside part.
Applicable high-revolving cross-flow fan structure the most according to claim 1, it is characterised in that described rotor assembly includes
Rotor core and permanent magnet, described rotor core is fixed on main shaft, and permanent magnet is fixed on rotor core exterior periphery.
Applicable high-revolving cross-flow fan structure the most according to claim 2, it is characterised in that described permanent magnet is neodymium ferrum
Boron permanent magnet.
Applicable high-revolving cross-flow fan structure the most according to claim 2, it is characterised in that described stator module includes
Stator core and stator coil, stator core is fixed on permanent magnet excircle, and stator coil winding is in stator core.
5. according to the applicable high-revolving cross-flow fan structure described in any one of claim 1-4, it is characterised in that described fixed
Bit slice center is provided with the axis hole matched with main shaft, axis hole edge extend outward annular flange, spacer pass through axis hole
It is socketed on main shaft and is fixed on main shaft by flange.
6. according to the applicable high-revolving cross-flow fan structure described in any one of claim 1-4, it is characterised in that described blower fan
Shell includes spiral case and tongue piece integrated with spiral case.
7. according to the applicable high-revolving cross-flow fan structure described in any one of claim 1-4, it is characterised in that described rolling
Bearing and main shaft interference fit.
8. according to the applicable high-revolving cross-flow fan structure described in any one of claim 1-4, it is characterised in that described wind
The aluminum blade that impeller blade uses thickness to be 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620432893.1U CN205639011U (en) | 2016-05-15 | 2016-05-15 | Be suitable for through -flow fan structure of high rotational speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620432893.1U CN205639011U (en) | 2016-05-15 | 2016-05-15 | Be suitable for through -flow fan structure of high rotational speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639011U true CN205639011U (en) | 2016-10-12 |
Family
ID=57058902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620432893.1U Active CN205639011U (en) | 2016-05-15 | 2016-05-15 | Be suitable for through -flow fan structure of high rotational speed |
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| Country | Link |
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| CN (1) | CN205639011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640702A (en) * | 2016-11-29 | 2017-05-10 | 佛山市顺德区卓高电机制造有限公司 | Direct-current brushless fan device |
| CN110748503A (en) * | 2018-07-20 | 2020-02-04 | 大金工业株式会社 | Cross-flow fan volute, cross-flow fan and air conditioner indoor unit |
-
2016
- 2016-05-15 CN CN201620432893.1U patent/CN205639011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640702A (en) * | 2016-11-29 | 2017-05-10 | 佛山市顺德区卓高电机制造有限公司 | Direct-current brushless fan device |
| CN110748503A (en) * | 2018-07-20 | 2020-02-04 | 大金工业株式会社 | Cross-flow fan volute, cross-flow fan and air conditioner indoor unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |