CN217129908U - Impeller of cooling fan - Google Patents
Impeller of cooling fan Download PDFInfo
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- CN217129908U CN217129908U CN202221087275.XU CN202221087275U CN217129908U CN 217129908 U CN217129908 U CN 217129908U CN 202221087275 U CN202221087275 U CN 202221087275U CN 217129908 U CN217129908 U CN 217129908U
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- fan impeller
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Abstract
The utility model discloses a radiator fan impeller, include circular shape foreign steamer hub, circular shape interior hub and connect a plurality of blade between foreign steamer hub and interior hub, the back of interior hub is provided with the wheel hub cavity, be provided with the radial strengthening rib of a plurality of in the wheel hub cavity, be provided with the assembly boss that convenient location was put into in the wheel hub cavity on the front wheel hub wall of interior hub, the assembly boss is protruding to the evagination and is exceeded foreign steamer hub and blade, be provided with convenient location on the radial strengthening rib the location structure of assembly boss. This radiator fan impeller can be better pile up neatly, avoids extrudeing the blade and causes irreversible deformation.
Description
Technical Field
The utility model relates to a radiator fan impeller for install and provide the cooling air on the cooling motor of car radiator fan system.
Background
At present, a fuel vehicle and an electric vehicle need to be provided with a heat dissipation fan assembly for cooling in the driving process, and the heat dissipation fan assembly generally drives a fan impeller to rotate by a motor so as to achieve the heat dissipation effect. The structure of the fan impeller with the structure generally comprises an outer hub and an inner hub, wherein the outer hub is connected with the inner hub through blades, the inner hub is connected with a rotor of a motor through a connecting structure, the current connecting structure is that a mounting disc is fixedly arranged on the motor in a rotating mode, then three mounting holes which are arranged in a triangular mode are formed in the central area of the inner hub of the impeller, and the inner hub of the impeller is fixed with the mounting disc through three bolts to achieve transmission.
However, the current fan impeller has the following two problems: 1. the existing fan impellers need to be stacked when being transported or stacked, and adjacent outer hubs and blades of the fan impellers can be mutually extruded when being stacked, so that the blades are deformed, and the deformation of the blades can influence the air outlet efficiency and the dynamic balance of the fan; 2. after the prior impeller is driven by a motor to rotate at a high speed, the impeller is easy to vibrate and has relatively high noise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a radiator fan impeller, this radiator fan impeller pile up neatly that can be better, avoid extrudeing the blade and cause irreversible deformation.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a radiating fan impeller, includes circular shape foreign steamer hub, circular shape interior hub and connects a plurality of blade between foreign steamer hub and interior hub, the back of interior hub is provided with the wheel hub cavity, be provided with the radial strengthening rib of a plurality of in the wheel hub cavity, be provided with the assembly boss that convenient location was put into the wheel hub cavity on the front wheel hub wall of interior hub, the assembly boss is outside protruding stretch and surpass foreign steamer hub and blade, be provided with convenient location on the radial strengthening rib the location structure of assembly boss.
Preferably, the positioning structure comprises a positioning step provided on each radial reinforcing rib, and the positioning steps together form a positioning area for accommodating the assembling boss.
Preferably, the positioning step is an L-shaped positioning step.
Preferably, the front hub wall of the inner hub is provided with a plurality of independent separating bar slots, and the separating bar slots separate the front hub wall into a plurality of vibration damping sheets.
Preferably, the vibration stopping sheets are uniformly distributed relative to the rotation center circumference of the impeller.
Preferably, the number of the vibration damping sheets is three, each vibration damping sheet is formed by separating two separating strip grooves, and the two separating strip grooves are symmetrically distributed relative to one radius of the front hub wall.
Preferably, each of the dividing grooves is a curved groove.
Preferably, one radial reinforcing rib is arranged on each of two sides of the root of each blade.
As a preferable scheme, bolt connecting bosses are uniformly distributed on the circumference of the back hub wall of the inner hub, a plurality of long ray reinforcing ribs which are uniformly distributed on the circumference and emit from the center to the periphery are arranged on the back hub wall of the inner hub, the bolt connecting bosses are connected with one long ray reinforcing rib, positioning support columns are arranged on the rest long ray reinforcing ribs, and short ray reinforcing ribs are arranged in the area between the adjacent long ray reinforcing ribs.
Preferably, each bolt connecting boss is further provided with a plurality of scattering reinforcing ribs which scatter outwards.
After the technical scheme is adopted, the utility model discloses an effect is: because the radiating fan impeller comprises the circular outer hub, the circular inner hub and a plurality of blades connected between the outer hub and the inner hub, the back surface of the inner hub is provided with the hub cavity, the hub cavity is internally provided with a plurality of radial reinforcing ribs, the front hub wall of the inner hub is provided with the assembling boss which is convenient to position and put into the hub cavity, the assembling boss protrudes outwards and exceeds the outer hub and the blades, and the radial reinforcing ribs are provided with the positioning structures which are convenient to position the assembling boss, the assembling boss of the inner hub can be plugged into the hub cavity when the radiating fan impeller is stacked, then the assembling boss is positioned and supported by the positioning structures to avoid the swinging of the assembling boss, so that the assembling boss is very stable in the transportation or storage process, exceeds the blades and the outer hub, and the blades between adjacent impellers cannot be extruded to cause deformation when the blades are stacked, avoid influencing the performance of the impeller due to extrusion.
And because the positioning structure comprises the positioning steps arranged on each radial reinforcing rib, and the positioning steps form a positioning area for accommodating the assembling boss together, the end face of the assembling boss can be supported by utilizing the positioning steps, and the assembling boss can be prevented from shaking in the positioning area, so that the positioning effect is better.
And because the front hub wall of the inner hub is provided with a plurality of independent separating strip grooves which separate the front hub wall into a plurality of vibration damping sheets, the vibration damping sheets formed by the separating strip grooves weaken the local rigidity and weaken and release the vibration generated when the impeller runs.
And because the vibration stopping sheets are uniformly distributed relative to the circumference of the rotation center of the impeller, the dynamic balance is better when the impeller runs.
And because the number of the vibration stopping sheets is three, each vibration stopping sheet is formed by separating two separating strip grooves, and the two separating strip grooves are symmetrically distributed relative to one radius of the front hub wall, the circumferential uniform distribution of the vibration stopping sheets is convenient, and each vibration stopping sheet is in a symmetrical shape relative to the radius, so that the dynamic balance of the impeller is ensured while the vibration is stopped.
And each separating strip groove is a curved strip groove, so that stress concentration can be reduced as much as possible, and the rigidity weakening of the vibration stopping sheet is moderate.
And because the two sides of the root part of each blade are respectively provided with one radial reinforcing rib, the radial reinforcing ribs are beneficial to the uniform filling of the blades in the injection molding process, and the strength of the blades can be enhanced.
The bolt connecting bosses are evenly distributed on the circumference of the back hub wall of the inner hub, a plurality of long ray reinforcing ribs which are evenly distributed on the circumference and emit from the center to the periphery are arranged on the back hub wall of the inner hub, the bolt connecting bosses are all connected with one long ray reinforcing rib, positioning support columns are arranged on the rest long ray reinforcing ribs, short ray reinforcing ribs are arranged in the area between the adjacent long ray reinforcing ribs, the strength of the inner hub can be enhanced by using the long ray reinforcing ribs and the short ray reinforcing ribs, meanwhile, the positioning support columns can assist in positioning and supporting the motor, and the motor is ensured to be more stable after being fixed.
And because each bolt connecting boss is also provided with a plurality of scattering reinforcing ribs which scatter outwards, the bolt connecting bosses are reinforced, and the bolt is more firm when being conveniently fixed.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front perspective view of an embodiment of the present invention;
fig. 2 is a back perspective view of an embodiment of the present invention;
fig. 3 is a schematic back view of an embodiment of the invention;
fig. 4 is a schematic front view of an embodiment of the invention;
in the drawings: 1. an outer hub; 2. an inner hub; 3. a blade; 4. a dividing strip groove; 5. a vibration damping sheet; 6. assembling a boss; 7. a hub cavity; 8. radial reinforcing ribs; 9. positioning a step; 10. the lug boss is connected by a bolt; 11. scattering reinforcing ribs; 12. a long ray reinforcing rib; 13. positioning a support column; 14. short-ray reinforcing ribs.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
As shown in fig. 1 to 4, a heat dissipation fan impeller comprises a circular outer hub 1, a circular inner hub 2 and a plurality of blades 3 connected between the outer hub 1 and the inner hub 2, wherein a hub cavity 7 is provided on the back of the inner hub 2, the hub cavity 7 is used for facilitating the installation and fixation between the impeller and a driving motor, wherein the fixation between the hub cavity 7 and the driving motor is currently performed by the following two conventional schemes: 1. a mounting hole is directly formed in the center of the hub cavity 7, and output shafts of the driving motors penetrate through the mounting hole and are fixed with each other; 2. the hub cavity 7 is provided with a plurality of bolt connecting bosses 10, the bolt connecting bosses 10 are provided with bolt mounting holes, the driving motor adopts an outer rotor motor, and an outer rotor of the driving motor is directly fixed with the impeller through bolt fixing. The novel hub assembly structure is characterized in that a plurality of radial reinforcing ribs 8 are arranged in the hub cavity 7, an assembly boss 6 which is convenient to position and put into the hub cavity 7 is arranged on the hub wall on the front face of the inner hub 2, the assembly boss 6 protrudes outwards and exceeds the outer hub 1 and the blades 3, and a positioning structure which is convenient to position and is arranged on the radial reinforcing ribs 8 is arranged on the assembly boss 6. In this embodiment, each blade 3 has one radial stiffener 8 on both sides of the root, that is, each blade 3 corresponds to two radial stiffeners 8, and the radial stiffeners 8 are located on both sides of the root of the blade 3.
In the present embodiment, the positioning structure includes a positioning step 9 disposed on each radial reinforcing rib 8, and the positioning step 9 is preferably an L-shaped positioning step 9. The positioning steps 9 together form a positioning area for receiving the mounting boss 6. When the fan impeller is manufactured, the balance of the fan impeller can be adjusted by adjusting the thickness of the radial reinforcing ribs 8, and when the impeller is driven to rotate by the driving motor, certain flowing air can be generated by the radial reinforcing ribs 8 and can cool the driving motor.
In the embodiment, a plurality of independent separating bar slots 4 are arranged on the front hub wall of the inner hub 2, and the separating bar slots 4 separate the front hub wall into a plurality of vibration stopping sheets 5. The vibration damping sheets 5 are uniformly distributed relative to the circumference of the rotation center of the impeller, so that the dynamic balance of the impeller is ensured as much as possible. As shown in fig. 3 and 4, the number of the vibration damping sheets 5 is three, each vibration damping sheet 5 is formed by dividing two separating strip grooves 4, and the two separating strip grooves 4 are symmetrically distributed relative to one radius of the front hub wall. And each separating strip groove 4 is a curved strip groove, so that the situation that the vibration damping sheet 5 has a sharp corner can be avoided, and the reduction rigidity is softer.
In this embodiment, the back hub wall of the inner hub 2 is uniformly and circumferentially provided with a plurality of bolt connection bosses 10, the back hub wall of the inner hub 2 is provided with a plurality of circumferentially and uniformly distributed long ray reinforcing ribs 12 which are emitted from the center to the periphery, the bolt connection bosses 10 are connected with one long ray reinforcing rib 12, the rest of the long ray reinforcing ribs 12 are provided with positioning support columns 13, and the region between the adjacent long ray reinforcing ribs 12 is provided with a short ray reinforcing rib 14. The positioning support column 13 is used for supporting the driving motor, so that the fixing between the driving motor and the impeller is more stable. Each bolt connecting boss 10 is also provided with a plurality of scattering reinforcing ribs 11 which scatter outwards, and the scattering reinforcing ribs 11 can play a role in reinforcing the bolt connecting column.
The impeller of the cooling fan in the embodiment is convenient to stack and stack, reduces extrusion deformation of the blades 3, and can effectively weaken local rigidity and weaken and release vibration generated when the impeller runs by using the vibration stopping sheet 5.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a cooling fan impeller, includes circular shape outer hub, circular shape interior hub and connects a plurality of blade between outer hub and interior hub, the back of interior hub is provided with the hub cavity, be provided with the radial strengthening rib of a plurality of in the hub cavity, its characterized in that: the front hub wall of the inner hub is provided with an assembly boss which is convenient to position and put into the hub cavity, the assembly boss protrudes outwards and exceeds the outer hub and the blades, and the radial reinforcing ribs are provided with positioning structures which are convenient to position the assembly boss.
2. The heat dissipating fan impeller of claim 1, wherein: the positioning structure comprises positioning steps arranged on each radial reinforcing rib, and the positioning steps form a positioning area for accommodating the assembling boss together.
3. The heat dissipation fan impeller of claim 2, wherein: the positioning step is an L-shaped positioning step.
4. The heat dissipating fan impeller of claim 1, wherein: the front hub wall of the inner hub is provided with a plurality of independent separating strip grooves, and the separating strip grooves separate the front hub wall into a plurality of vibration damping sheets.
5. The heat dissipation fan impeller of claim 4, wherein: the vibration stopping sheets are uniformly distributed relative to the circumference of the rotation center of the impeller.
6. The heat dissipation fan impeller of claim 5, wherein: the number of the vibration damping sheets is three, each vibration damping sheet is formed by separating two separating strip grooves, and the two separating strip grooves are symmetrically distributed relative to one radius of the front hub wall.
7. The heat dissipation fan impeller of claim 6, wherein: each separating strip groove is a curved strip groove.
8. The heat dissipating fan impeller of claim 1, wherein: and two sides of the root of each blade are provided with one radial reinforcing rib.
9. The heat dissipation fan impeller of claim 8, wherein: the hub comprises an inner hub and is characterized in that bolt connecting bosses are evenly distributed on the wall of the hub on the back face of the inner hub in a circumferential mode, a plurality of long ray reinforcing ribs which are evenly distributed on the wall of the hub on the back face of the inner hub and emit from the center to the periphery are arranged on the wall of the hub on the back face of the inner hub in a circumferential mode, the bolt connecting bosses are connected with one long ray reinforcing rib, positioning support columns are arranged on the rest long ray reinforcing ribs, and short ray reinforcing ribs are arranged in the area between the adjacent long ray reinforcing ribs.
10. The heat dissipation fan impeller of claim 9, wherein: each bolt connection boss is also provided with a plurality of scattering reinforcing ribs which scatter outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221087275.XU CN217129908U (en) | 2022-05-07 | 2022-05-07 | Impeller of cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221087275.XU CN217129908U (en) | 2022-05-07 | 2022-05-07 | Impeller of cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129908U true CN217129908U (en) | 2022-08-05 |
Family
ID=82651595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221087275.XU Active CN217129908U (en) | 2022-05-07 | 2022-05-07 | Impeller of cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129908U (en) |
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2022
- 2022-05-07 CN CN202221087275.XU patent/CN217129908U/en active Active
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Address after: No. 8, Xinfeng Hexi Road, Tangshi, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215600 Patentee after: Jiangsu Langxin Electric Co.,Ltd. Address before: 215600 2 Fuxin Road, Yang Shi Town, Zhangjiagang, Suzhou, Jiangsu Patentee before: JIANGSU LANGXIN ELECTRIC Co.,Ltd. |