CN213598205U - Outer rotor spiral fan blade conical booster fan - Google Patents
Outer rotor spiral fan blade conical booster fan Download PDFInfo
- Publication number
- CN213598205U CN213598205U CN202022403802.0U CN202022403802U CN213598205U CN 213598205 U CN213598205 U CN 213598205U CN 202022403802 U CN202022403802 U CN 202022403802U CN 213598205 U CN213598205 U CN 213598205U
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- Prior art keywords
- fan
- shell
- outer rotor
- spiral
- external rotor
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- Expired - Fee Related
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- 241000886569 Cyprogenia stegaria Species 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the fan field, an external rotor spiral fan blade toper booster fan, the fan shell is set to the taper shape, install the fan blade according to the spiral on the external rotor electric machine axial shell circumference, the support cover of both ends about the both ends is stretched out respectively to the both ends axle of external rotor electric machine back shaft, connect with the brace rod on the support cover of both ends about, the other end of brace rod is fixed on the fan shell by the screw at both ends about respectively, external rotor electric machine and fan blade are whole to be unsettled and installed in the middle of the fan shell, and make the external diameter of spiral fan blade leave the space with the inner wall of fan shell, must not rub and collide; the pressurizing mode is that the air inlet is large, the air outlet is small, and the spiral fan blades are in the same taper according to the fan shell, so that the gas entering the fan is pressurized to the gas coming out of the fan shell; the invention reduces the accessories of the traditional fan, saves complex connecting parts, transmission modes and supporting platforms, saves a large amount of steel, reduces the manufacturing cost, has long service life and the like.
Description
Technical Field
The invention relates to an electromechanical product in the field of environmental protection, in particular to an outer rotor spiral fan blade conical booster fan.
Background
At present, fans used in mines, tunnels, factory workshops and chemical industries basically have fans of three modes: centrifugal, drum, axial flow; the fans in the three modes are respectively independent accessories of a motor and fan blades of the air box, and the motor drives the fan blades of the air box to rotate and needs to transmit power through a coupler or a belt; thus, a motor, a bracket or a platform of the air box are required to be arranged; in conclusion, the wind pressure of the air inlet and the air outlet of the existing fan is equal, and the wind pressure, the wind speed and the wind range are difficult to increase; the existing fan has technical defects, and the set of the traditional fan is large in size, wastes a large amount of steel and manufacturing cost, and is troublesome to carry and install.
The invention discloses a conical booster fan with outer rotor helical fan blades.
Disclosure of Invention
In order to solve the defects of the fan used for production and the technical defects, the invention provides the conical booster fan with the outer rotor helical fan blades.
The invention relates to an outer rotor spiral fan blade conical booster fan, which preferably adopts the technical scheme that: a conical booster fan with an outer rotor helical fan blade is characterized in that a fan shell is conical, and the size of the conical degree is set according to the air output and the boosting multiple of the fan; the outer rotor motor and the fan blades are integrally installed on the circumference of an axial shell of the outer rotor motor according to a spiral shape, the outer rotor motor and the fan blades are integrated, shaft extending ends of the left end and the right end of a supporting shaft of the outer rotor motor respectively penetrate through supporting sleeves at the left end and the right end, supporting ribs are respectively and uniformly distributed on the supporting sleeves at the left end and the right end, the other ends of the supporting ribs at the left end and the right end are respectively fixed on the fan shell through screws at the left end and the right end, and therefore the outer rotor motor and the fan blades are integrally installed in the middle of the fan shell in a hanging mode, a gap is reserved between the outer diameter of the spiral fan blades.
In order to achieve the purpose of supercharging, the invention adopts the further technical scheme that the air inlet is large, the air outlet is small, and the large-small proportion of the air inlet and the air outlet is determined according to the requirements of the fan and the supercharging multiple.
The invention has the further technical scheme that fan blades are spirally arranged on a shell cylinder in the axial direction of the outer rotor motor, the size of the fan blades is determined according to the taper of the fan shell, and the size of the thread pitch is set according to the length of the shell of the outer rotor motor and the size of the fan.
By adopting the technical scheme, the invention has the following beneficial effects: not only reduces the accessories of the traditional fan, saves complex connecting parts, transmission modes and supporting platforms on the whole structure, saves a large amount of steel and reduces the manufacturing cost.
Further features of the invention will be apparent from the description of the embodiments which follows.
Drawings
Fig. 1 is a schematic view of the overall sectional structure of the present invention.
Fig. 2 is a schematic end view of the air outlet of the fan of the present invention.
Fig. 3 is a schematic end view of the air inlet of the fan of the present invention.
Fig. 4 is an overall schematic view of the external rotor motor and the helical fan blade of the present invention.
Reference signs illustrate: 1-a fan housing; 2-an outer rotor motor; 3-fan blades; 4-supporting the left shaft extension end of the shaft of the outer rotor motor; 5-left end support sleeve; 6-air outlet; 7-left end support ribs; 8-screws for fixing the supporting ribs at the left end, wherein the number of the screws is determined according to the number of the supporting ribs; 9-air inlet; 10-a power supply sheath wire led out from the outer rotor motor; 11-the right shaft extension end of the outer rotor motor supporting shaft; 12-right end support sleeve; 13-screws for fixing the supporting ribs at the right end; 14-right end support rib.
While the drawings necessary for a detailed description of the invention or for a prior art description will now be briefly described in order to clearly illustrate the detailed description of the invention, it should be apparent that the drawings in the following description are illustrative of some embodiments of the invention and that other drawings may be derived therefrom by those skilled in the art without the exercise of inventive faculty.
Detailed Description
In the description of the present invention, it should be noted that the terms "middle", "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, for example: can be mounted by bolts or screws or screw connection; or can be mechanically connected and installed; or can be installed by electric welding connection. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The following describes the embodiments of the present invention with reference to fig. 1, fig. 2, fig. 3, and fig. 4.
A conical booster fan with an outer rotor helical fan blade is characterized in that a fan shell 1 is conical, and the size of the conical degree is set according to the air output and the boosting multiple of the fan; the outer rotor motor 2 is provided with fan blades 3 on the circumference of the outer rotor motor 2 according to a spiral shape, so that the outer rotor motor 2 and the fan blades 3 are integrated, the shaft extending ends of the left end 4 and the right end 11 of a supporting shaft of the outer rotor motor 2 respectively penetrate through the supporting sleeves 5 and 12 at the left end and the right end, supporting ribs are respectively and uniformly distributed on the supporting sleeves 5 and 12 at the left end and the right end, and the other ends of the left supporting rib 7 and the right supporting rib 14 are respectively fixed on the fan shell 1 through screws 8 and 13 at the left end and the right end, so that the outer rotor motor 2 and the fan blades 3 are integrally suspended in the middle of the fan shell 1, a gap is reserved between the outer diameter of the spiral fan blades 3 on the outer rotor motor 2 and the inner wall of the fan shell 1, and the fan blades 3.
The further technical scheme of the invention is that in order to achieve the purpose of pressurization, the air inlet 9 is larger than the air outlet 6, and the large-small proportion of the air inlet 9 to the air outlet 6 is determined according to the requirements of the fan and the pressurization multiple.
The invention further adopts the technical scheme that the fan blades 3 are arranged on an axial shell cylinder of the outer rotor motor 2 in a spiral mode, the size of the fan blades 3 is determined according to the taper of the fan shell, and the size of the thread pitch is set according to the length of the shell of the outer rotor motor 2 and the size of the fan.
The technical scheme adopted by the pressurization mode is that the air inlet is large, the air outlet is small, the inner fan blades are in a spiral mode, air in the air inlet is sucked into the fan shell when the fan shell rotates in an operation mode, the fan shell is conical, the spiral fan blades on the outer rotor motor are in the same taper degree as the fan shell, a certain gap is reserved between the spiral fan blades and the fan shell, and when the outer rotor motor rotates in an electrified mode, the air coming in and out is pressurized.
The invention has the following beneficial effects: not only the accessories of the traditional fan are reduced, but also the complex connecting parts, transmission modes and supporting platforms are saved on the whole structure, a large amount of steel is saved, and the manufacturing cost is reduced; in the using process, because a traditional transmission mode is not adopted, no friction loss exists, and the electric energy is saved; and fittings such as a coupler, a belt, a flange plate and the like are not arranged, so that the aging damage of the fittings is avoided.
The conical booster fan with the outer rotor helical fan blades has the characteristics of energy conservation, material conservation, reduction in manufacturing cost, convenience in use, installation and transportation, long service life and the like.
Claims (3)
1. A conical booster fan with spiral fan blades on external rotor features that the casing of said fan is made into a conical shape, the conicity is determined according to the air output and boosting times of fan, the spiral fan blades are installed to the axial circumference of casing of external rotor motor, the supporting sleeves are respectively extended out of the two ends of supporting axle of external rotor motor, the supporting ribs are uniformly arranged on the supporting sleeves, and the other ends of supporting ribs are fixed to casing of fan by screws.
2. The outer rotor helical fan blade conical booster fan as claimed in claim 1, wherein the air inlet is large, the air outlet is small, and the large-to-small ratio of the air inlet to the air outlet is determined according to the fan and the requirement of the boosting multiple.
3. The outer rotor helical fan blade conical booster fan of claim 1, wherein the fan blades and fan blades are sized according to the taper of the fan housing, and the pitch is set according to the length of the outer rotor motor housing and the size of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403802.0U CN213598205U (en) | 2020-10-26 | 2020-10-26 | Outer rotor spiral fan blade conical booster fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403802.0U CN213598205U (en) | 2020-10-26 | 2020-10-26 | Outer rotor spiral fan blade conical booster fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598205U true CN213598205U (en) | 2021-07-02 |
Family
ID=76592569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022403802.0U Expired - Fee Related CN213598205U (en) | 2020-10-26 | 2020-10-26 | Outer rotor spiral fan blade conical booster fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598205U (en) |
-
2020
- 2020-10-26 CN CN202022403802.0U patent/CN213598205U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 |