CN206397810U - A kind of impeller assembly and the blower fan including the impeller assembly - Google Patents
A kind of impeller assembly and the blower fan including the impeller assembly Download PDFInfo
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- CN206397810U CN206397810U CN201621441376.7U CN201621441376U CN206397810U CN 206397810 U CN206397810 U CN 206397810U CN 201621441376 U CN201621441376 U CN 201621441376U CN 206397810 U CN206397810 U CN 206397810U
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- electric machine
- impeller assembly
- external rotor
- rotor electric
- impeller
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Abstract
The utility model discloses a kind of impeller assembly, including impeller bodies, wheel hub and axle sleeve, the hub inner lumen is used to install external rotor electric machine, the motor shaft of the external rotor electric machine passes through the axle sleeve, the wheel hub inwall is provided with the first torque transfer structure, first torque transfer structure and the second torque transfer structure detachable connection being arranged on the rotor of the external rotor electric machine, second torque transfer structure cooperate with first torque transfer structure and the torque of the rotor of the external rotor electric machine are delivered on the impeller assembly.Thus achieve while larger transmission torque is ensured, be easy to the maintaining of equipment.The invention also discloses a kind of blower fan including the impeller assembly.The utility model novelty simple in construction, it is safe and reliable, there is good economic benefit.
Description
Technical field
The utility model is related to a kind of impeller assembly, and the blower fan including the impeller assembly.
Background technology
At present, impeller assembly mainly has two ways with motor connection：One is impeller assembly is consolidated with inner rotor motor 1
Fixed, referring to Fig. 1, the axle sleeve 3 on the wheel hub 6 of impeller assembly 5 is fastenedly connected with the screw of motor shaft 2, nut or clip 4, motor
Axle 2 transmits power impeller by impeller assembly axle sleeve 3 and rotated, and the impeller assembly of this assembling mode is detachable, has the disadvantage to pass
The torque passed is small, the easily loose or dislocation such as screw or nut, there is certain potential safety hazard.The second is impeller assembly and external rotor electric
Machine is fixed, referring to Fig. 2-1 to Fig. 2-2, and the steel ring 7 of impeller assembly 5 is directly fitted on the rotor diameter of external rotor electric machine 8, is turned
Son is rotated and rotated by the impeller component 5 of steel ring 7, and the transmission torque of this assembling mode is big, but impeller assembly is non-disconnectable
Unload, need special frock and equipment to press-fit impeller assembly.Motor with impeller assembly is man-to-man matches, be broken impeller assembly or electricity
Machine, is both needed to complete machine replacing, and later maintenance cost is high.Also, after plastic injection, impeller cover is by welding with impeller bodies
Fixed, although mould is simple, and production lathe tonnage is small, and power consumption is few, and fund input is little, but many one of welding sequences, needs
Increase extra welding equipment and welding tooling；Or mould core pulling, its mould is complicated, and uses injection lathe tonnage height, life
Produce cost high.
Therefore, it is necessary to invent a kind of impeller assembly, it, which may be mounted on external rotor electric machine, transmits larger torque, again
Dismountable function can be realized, is easy to the maintenance in later stage.
Utility model content
In order to solve the above-mentioned technical problem, one of the purpose of this utility model is to provide a kind of impeller assembly, the impeller sets
Part is detachably attachable on external rotor electric machine, can transmit larger torque, again convenient dismounting, reduce later maintenance into
This.
To achieve the above object, the technical scheme that the utility model is taken is as follows：
A kind of impeller assembly, including impeller bodies, wheel hub and axle sleeve, the impeller bodies are along the circumferentially disposed of wheel hub, institute
State axle sleeve to be arranged on the end face of wheel hub, the hub inner lumen is used to install external rotor electric machine, the motor of the external rotor electric machine
Axle passes through the axle sleeve so that the external rotor electric machine, axle sleeve and the wheel hub are coaxially disposed, and the wheel hub inwall is provided with first
Torque transfer structure, it is characterised in that：First torque transfer structure is with being arranged on the rotor of the external rotor electric machine
Second torque transfer structure detachable connection, second torque transfer structure and the first torque transfer structure phase interworking
The torque of the rotor of the external rotor electric machine is delivered on the impeller assembly by conjunction.The torque transfer structure include boss with
The Demountables such as groove structure, fastening type structure, are easy to the assembling of the impeller assembly and the external rotor electric machine so that
Part is changed when either component is damaged, it is not necessary to which complete machine is changed.Also, above-mentioned impeller assembly and external rotor electric machine can be done respectively
Dynamic balance running, improves the suitability of impeller assembly and external rotor electric machine.
Further, first torque transfer structure is arranged at the boss of the wheel hub inwall for several, and described the
Two torque transfer structures are several grooves being arranged on the rotor of the external rotor electric machine；Or, first torque is passed
The groove that structure is arranged at the wheel hub inwall for several is passed, second torque transfer structure is to be arranged on the outer rotor
Several boss on the rotor of motor.Torque is transmitted between impeller assembly and external rotor electric machine by boss and groove, is passed
Pass torque big, at the same it is simple in construction, it is easy to process.
Further, the wheel hub inwall is provided with what several were in contact with the side of the rotor of the external rotor electric machine
The radial positioning face of cylinder and several axially position planes being in contact with the end face of the rotor of the external rotor electric machine.The footpath
The radial motion of the rotor can be limited to positioning cylindrical surface, the axially position plane can limit the axial direction fortune of the rotor
It is dynamic.In the assembling process of the impeller assembly and the external rotor electric machine, the radial positioning face of cylinder can also play guiding
The effect of positioning.
Further, the wheel hub is provided with some radiating grooves through wheel hub wall.The wheel hub hollow out sets to form some
Radiating groove, is easy to, by the heat discharge of motor, can also save material, reduce cost of material.
Further, the impeller assembly also includes impeller cover, and the impeller cover is filled with the impeller bodies buckle
With integral.The impeller cover of the impeller assembly is combined with impeller bodies using snap-fitted, and mould is simple, production lathe ton
Position is small, and power consumption is few, and fund input is few, and injection molding cost is low.Snap-fitted combination is not required to welding equipment and Welder
Dress, is not required to additionally increase input.
Further, the impeller bodies and the wheel hub integrated injection molding.
The two of the purpose of this utility model be to provide it is a kind of include the blower fan of above-mentioned impeller assembly, its technical scheme taken
It is as follows：
A kind of blower fan, the blower fan includes external rotor electric machine and impeller assembly, it is characterised in that：The impeller assembly is upper
State any impeller assembly.
Further, in addition to nut, external screw thread, the external rotor electric are provided with the motor shaft of the external rotor electric machine
Machine is assembled to the hub inner lumen of the impeller assembly, and the motor shaft passes through the axle sleeve, and the nut is externally threaded with carrying
Motor shaft is threadedly coupled, and the impeller assembly and the external rotor electric machine are carried out into axial restraint.The axle sleeve is not transmitted substantially
Moment of torsion, mainly plays axially position fixation, and the torque of motor mainly passes to impeller by aforementioned torque transferring structure.
Further, second torque transfer structure is the compensating groove being arranged on the rotor of the external rotor electric machine.
Torque directly is transmitted using the compensating groove on existing external rotor electric machine, is skillfully constructed, extra fluting can be avoided to process.
Further, the nut is left-handed nut, and the external screw thread is left hand thread.The axle sleeve of the impeller assembly with
Motor shaft is fastenedly connected with left-handed nut, and impeller assembly more rotates that nut is tighter, and the safety in the absence of the easy loose or dislocation of nut is hidden
Suffer from.
Relative to prior art, the utility model achieves beneficial technique effect：Impeller assembly and external rotor electric machine
Detachable connection, can be easy to the maintaining of equipment while larger transmission torque is ensured.First, due to realizing
It is detachably connected, external rotor electric machine and impeller can individually carry out dynamic balance running, improves both suitabilities, either component is damaged
Shi Genghuan parts, it is not necessary to which complete machine is changed；Second, the installation between impeller assembly and external rotor electric machine does not need welding equipment
Press-fit impeller with mounted welder, mould is simple, and production lathe tonnage is small, and power consumption is few, and fund input is few, and processing cost is low；Third,
The axle sleeve of impeller is fastenedly connected with motor shaft with anti-tooth nut, and it is tighter that impeller more rotates nut, in the absence of the easy loose or dislocation of nut
Potential safety hazard, safe and reliable, impeller is detachable.The utility model novelty simple in construction, it is safe and reliable, there is economic effect well
Benefit.
Brief description of the drawings
Fig. 1 is the assembling structure of impeller assembly and inner rotor motor in the prior art.
Fig. 2-1 is the assembling structure front view of impeller assembly and external rotor electric machine in the prior art.
Fig. 2-2 is the assembling structure left view of impeller assembly and external rotor electric machine in the prior art.
Fig. 3-1 is the utility model blower fan assembling left view.
Fig. 3-2 is the utility model blower fan assembling front view.
Fig. 4-1 is the utility model impeller assembly structure left view.
Fig. 4-2 is the utility model impeller assembly structural front view.
Fig. 5 is the utility model impeller assembly explosive view.
Fig. 6 is the utility model external rotor electric machine external structure.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments to this
Utility model is further elaborated, but the claimed scope of the utility model is not limited to following specific implementations
Example.
Referring to Fig. 3-5, the utility model discloses a kind of impeller assembly 100, including impeller bodies 110, wheel hub 108 and axle
Set 107, the wheel hub 108 is approximately bowl structure, and the impeller bodies 110 are along the circumferentially disposed of wheel hub 108, the axle sleeve
107 are arranged on the end face of wheel hub 108, and the hub inner lumen is used to install external rotor electric machine 106, the external rotor electric machine 106
Motor shaft 101 pass through the axle sleeve 107 so that the external rotor electric machine 106, axle sleeve 107 and the wheel hub 108 are coaxially set
Put, the wheel hub inwall is provided with the first torque transfer structure 104, first torque transfer structure 104 is described outer with being arranged on
The detachable connection of the second torque transfer structure 112 on the rotor of rotor electric machine 106, second torque transfer structure 112
Cooperated with first torque transfer structure 104 and the torque of the rotor of the external rotor electric machine 106 is delivered to the leaf
On wheel assembly 100.The torque transfer structure includes the Demountables such as boss and groove structure, fastening type structure.It is preferred that
Ground, first torque transfer structure is arranged at the boss 104 of the wheel hub inwall, the second torque transmission knot for several
Structure is several grooves 112 being arranged on the rotor of the external rotor electric machine 106.Certainly, the boss and the groove
Location swap is also possible.
The wheel hub 108 is provided with some radiating grooves through wheel hub wall, and the wheel hub hollow out sets to form 8 spoke-like spokes
Structure.Some boss 104 are arranged on vertically hung scroll inwall, it is preferable that the boss 104 is symmetrical arranged along hub centre.For
The intensity of the enhancing vertically hung scroll, can set some ribs in the outside of vertically hung scroll.
Referring to Fig. 3-6, the vertically hung scroll inwall of the wheel hub 108 is provided with several rotors with the external rotor electric machine 106
The radial positioning face of cylinder 105 that is in contact of side and several axles being in contact with the end face of the rotor of the external rotor electric machine
To positioning plane 103.The radial positioning face of cylinder 105 can limit the radial motion of the rotor, the axially position plane
103 can limit the axial movement of the rotor.In the assembling process of the impeller assembly 100 and the external rotor electric machine 106,
The radial positioning face of cylinder can also play a part of guide-localization.
Further, the impeller assembly also includes impeller cover 109, the impeller cover 109 and the impeller bodies
110 snap-fitteds are integral.The impeller cover 109 of the impeller assembly 100 is combined with impeller bodies 110 using snap-fitted,
Mould is simple, and production lathe tonnage is small, and power consumption is few, and fund input is few, and injection molding cost is low.Snap-fitted combination is not
Welding equipment and welding tooling are needed, is not required to additionally increase input.In addition, the impeller bodies 110 and the one note of the wheel hub 108
It is moulded into type.
Include the blower fan of above-mentioned impeller assembly the invention also discloses a kind of, the blower fan includes external rotor electric machine
106 and impeller assembly 100, the impeller assembly 100 is any of the above-described kind of impeller assembly.The blower fan also includes nut 102,
External screw thread is provided with the motor shaft of the external rotor electric machine 106, the external rotor electric machine 106 is assembled to the impeller assembly
In 100 hub inner lumen, the motor shaft passes through the axle sleeve 107, and the nut 102 is with carrying externally threaded motor axle thread
Connection, carries out axially position by the impeller assembly 100 and the external rotor electric machine 106 and fixes.Further, the nut
102 be left-handed nut, and the external screw thread is left hand thread.The axle sleeve 107 of the impeller assembly 100 and motor shaft left-handed nut
It is fastenedly connected, it is tighter that impeller assembly 100 more rotates nut, in the absence of the potential safety hazard of the easy loose or dislocation of nut.
Further, second torque transfer structure is the compensating groove being arranged on the rotor of the external rotor electric machine
112.Torque directly is transmitted using the compensating groove 112 on existing external rotor electric machine, is skillfully constructed, extra fluting can be avoided to add
Work.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into scope of the claims of the present utility model.Although in addition,
Some specific terms have been used in this specification, but these terms are merely for convenience of description, utility model do not constituted
Any limitation.
Claims (10)
1. a kind of impeller assembly, including impeller bodies, wheel hub and axle sleeve, the impeller bodies are described along the circumferentially disposed of wheel hub
Axle sleeve is arranged on the end face of wheel hub, and the hub inner lumen is used to install external rotor electric machine, the motor shaft of the external rotor electric machine
Through the axle sleeve so that the external rotor electric machine, axle sleeve and the wheel hub are coaxially disposed, the wheel hub inwall is provided with first turn
Square transferring structure, it is characterised in that：First torque transfer structure and be arranged on the rotor of the external rotor electric machine the
Two torque transfer structure detachable connections, second torque transfer structure cooperates with first torque transfer structure
The torque of the rotor of the external rotor electric machine is delivered on the impeller assembly.
2. a kind of impeller assembly according to claim 1, it is characterised in that：First torque transfer structure is several
The boss of the wheel hub inwall is arranged at, second torque transfer structure is to be arranged on the rotor of the external rotor electric machine
Several grooves；Or, first torque transfer structure is arranged at the groove of the wheel hub inwall, described second for several
Torque transfer structure is several boss being arranged on the rotor of the external rotor electric machine.
3. a kind of impeller assembly according to claim 1 or 2, it is characterised in that：The wheel hub inwall is provided with several
The radial positioning face of cylinder being in contact with the side of the rotor of the external rotor electric machine and several and the external rotor electric machine
The axially position plane that the end face of rotor is in contact.
4. a kind of impeller assembly according to claim 1, it is characterised in that：The wheel hub is provided with some through wheel hub wall
Radiating groove.
5. a kind of impeller assembly according to any one of claim 1, it is characterised in that：The impeller assembly also includes impeller
Cover plate, the impeller cover and the impeller bodies snap-fitted are integral.
6. a kind of impeller assembly according to any one of claim 5, it is characterised in that：The impeller bodies and the wheel hub
Integrated injection molding.
7. a kind of blower fan, the blower fan includes external rotor electric machine and impeller assembly, it is characterised in that：According to the impeller assembly
Impeller assembly described in claim any one of 1-6.
8. a kind of blower fan according to claim 7, it is characterised in that：Also include nut, the motor of the external rotor electric machine
External screw thread is provided with axle, the external rotor electric machine is assembled to the hub inner lumen of the impeller assembly, and the motor shaft passes through institute
Axle sleeve is stated, the nut is threadedly coupled with externally threaded motor shaft, the impeller assembly and the external rotor electric machine are entered
Row axial restraint.
9. a kind of blower fan according to claim 7, it is characterised in that：Second torque transfer structure is described to be arranged at
Compensating groove on the rotor of external rotor electric machine.
10. a kind of blower fan according to claim 8, it is characterised in that：The nut is left-handed nut, and the external screw thread is
Left hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441376.7U CN206397810U (en) | 2016-12-27 | 2016-12-27 | A kind of impeller assembly and the blower fan including the impeller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621441376.7U CN206397810U (en) | 2016-12-27 | 2016-12-27 | A kind of impeller assembly and the blower fan including the impeller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206397810U true CN206397810U (en) | 2017-08-11 |
Family
ID=59511401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621441376.7U Active CN206397810U (en) | 2016-12-27 | 2016-12-27 | A kind of impeller assembly and the blower fan including the impeller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206397810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194387A (en) * | 2018-03-07 | 2018-06-22 | 常州祥明智能动力股份有限公司 | Axial flow blower |
| WO2021196712A1 (en) * | 2020-04-03 | 2021-10-07 | 常熟市斯佳登电器有限公司 | Impeller having improved structure |
-
2016
- 2016-12-27 CN CN201621441376.7U patent/CN206397810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194387A (en) * | 2018-03-07 | 2018-06-22 | 常州祥明智能动力股份有限公司 | Axial flow blower |
| WO2021196712A1 (en) * | 2020-04-03 | 2021-10-07 | 常熟市斯佳登电器有限公司 | Impeller having improved structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528300 9 Daliang, five Shalong Shuncheng Road, Daliang, Shunde, Foshan, Guangdong Patentee after: Fanshida electromechanical Limited by Share Ltd Address before: 528300 9 Daliang, five Shalong Shuncheng Road, Daliang, Shunde, Foshan, Guangdong Patentee before: FANS-TECH ELECTRIC CO., LTD. |