CN212055211U - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
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- CN212055211U CN212055211U CN202020655626.7U CN202020655626U CN212055211U CN 212055211 U CN212055211 U CN 212055211U CN 202020655626 U CN202020655626 U CN 202020655626U CN 212055211 U CN212055211 U CN 212055211U
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- laminated
- fan blade
- fan
- arc
- axial flow
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- 238000010030 laminating Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses an axial fan, including the tube-shape casing, support piece, including a motor, an end cap, a controller, and a cover plate, the axle sleeve, the multi-disc is folded fan blade and multi-disc and is folded the pressure fan blade, the motor passes through support piece and installs in the tube-shape casing, and the pivot center of motor and the coincidence of the central line of tube-shape casing, the axle sleeve is installed in the pivot of motor, each is folded the pressure fan blade and is even interval arrangement on the terminal surface of axle sleeve, each folds the pressure fan blade and arranges in the interval of corresponding two adjacent quilt pressure fan blades, and each folds the pressure fan blade and fold and press on adjacent a pair of quilt pressure fan blade, each folds the pressure fan blade and is folded the terminal surface fastening. The axial flow fan has the advantages of stable and reliable structure, low cost and convenient disassembly and assembly.
Description
Technical Field
The utility model mainly relates to a fan technical field especially relates to an axial fan.
Background
Axial flow fans are widely used in various industrial occasions, and generally comprise a cylindrical shell, a motor, a shaft sleeve, a hub and blades, wherein the motor is arranged in the cylindrical shell through a support piece, a rotating shaft of the motor is connected with the hub through the shaft sleeve, and the blades are welded on the peripheral edge of the hub at intervals.
The existing axial flow fan adopts a direct welding installation mode, so that a hub with high enough strength is required to be used as a welding foundation, and on one hand, the hub is used as the welding foundation, has relatively large volume and increases the manufacturing cost of the whole axial flow fan; on the other hand, in the form of direct welding, once one of the blades is damaged, the whole hub and other blades cannot be used, and the whole hub and blades are replaced again, so that the use, replacement and maintenance costs are further increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide an axial fan of stable in structure reliable, low cost, the dismouting of being convenient for.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the axial flow fan comprises a cylindrical shell, a supporting piece, a motor, a shaft sleeve, a plurality of laminated fan blades and a plurality of laminated fan blades, wherein the motor is installed in the cylindrical shell through the supporting piece, the center of a rotating shaft of the motor is overlapped with the central line of the cylindrical shell, the shaft sleeve is installed on the rotating shaft of the motor, the laminated fan blades are evenly arranged on the end face of the shaft sleeve at intervals, the laminated fan blades are arranged in the interval between two corresponding adjacent laminated fan blades, each laminated fan blade is laminated on an adjacent pair of laminated fan blades, and the laminated fan blades are fixedly connected with the end face of the shaft sleeve through bolts.
As a further improvement of the above technical solution:
and the two sides of each laminated fan blade are provided with laminated depressions, and each laminated fan blade is laminated in the laminated depressions of the adjacent two sides of the laminated fan blades.
When each laminated fan blade is laminated in the laminated depression of the laminated fan blades on two adjacent sides, the laminated fan blades and the laminated fan blades keep the surface level at the laminated position.
The same bolt is connected with the adjacent laminated fan blades and the laminated fan blades.
The middle part of the edge of one side of the laminated fan blade and the laminated fan blade is provided with a section of arc-shaped concave part, the middle part of the edge of the other side of the laminated fan blade is provided with a section of arc-shaped convex part, and the arc-shaped convex part and the arc-shaped concave part are in gradual smooth transition.
The laminating ends of the laminating fan blades and the laminated fan blades are set to be plane ends, and the plane ends are in gradual smooth transition to the arc-shaped concave parts and the arc-shaped convex parts.
The end, far away from the laminating end, of the laminating fan blade and the laminated fan blade is set to be an arc-shaped warping end, and the arc-shaped warping end is in gradual smooth transition to the arc-shaped concave part and the arc-shaped convex part.
The laminated fan blade and the laminated fan blade are gradually thinned from the plane end to the arc-shaped warping end.
The supporting piece is equipped with a plurality ofly, the supporting piece includes the guide plate of backup pad setting in backup pad one end, and each backup pad is evenly arranged and is connected tube-shape casing and motor along motor circumferential direction, and each guide plate is close to and folds the pressure fan blade and is folded the pressure fan blade.
And the bottom of the cylindrical shell is provided with a ground foot.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses an axial fan, during the installation, install the motor on support piece earlier, then place support piece in the tube-shape casing together with the motor, it is fixed to make support piece be connected with the tube-shape casing, ensure the pivot center of motor and the coincidence of tube-shape casing's central line, install the axle sleeve in the pivot of motor again, then will respectively be folded and press the fan blade to be even interval arrangement on the terminal surface of axle sleeve, will respectively fold and press the fan blade to arrange in the interval of corresponding two adjacent quilt folds and press the fan blade, ensure that each folds and press the fan blade to fold and press on adjacent a pair of quilt folds and press the fan blade, will respectively fold with the bolt at last and press the fan blade and be folded the terminal surface fastening connection who presses fan blade. Compared with the traditional structure, the axial flow fan saves a hub, and reduces the manufacturing cost of the whole axial flow fan; each laminated fan blade and each laminated fan blade are arranged on the end face of the shaft sleeve through bolts, a detachable connecting structure is formed, disassembly and assembly are convenient, and the convenience of replacement and maintenance of the laminated fan blades and the laminated fan blades is improved, so that the use, replacement and maintenance costs are reduced; furthermore, each laminated fan blade is laminated on the laminated fan blades on two adjacent sides, and through the interval laminated structure, all the laminated fan blades and the laminated fan blades form a continuous associated structure in the circumferential direction, so that connection strength compensation is provided for bolt connection, and stability and reliability are greatly improved.
Drawings
Fig. 1 is a schematic view of the three-dimensional exploded structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the fan blade assembly of the present invention.
Fig. 4 is a schematic view of the assembly main structure of the middle fan blade of the present invention.
Fig. 5 is a schematic view of the assembly bottom structure of the middle fan blade of the present invention.
The reference numerals in the figures denote:
1. a cylindrical housing; 2. a support member; 21. a support plate; 22. a baffle; 3. a motor; 4. a shaft sleeve; 5. laminating the fan blades; 6. the laminated fan blades; 7. a bolt; 8. an arc-shaped concave part; 9. an arc-shaped convex part; 10. and (5) ground feet.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
Fig. 1 to 5 show the utility model discloses axial fan's an embodiment, including tube-shape casing 1, support piece 2, motor 3, axle sleeve 4, the multi-disc is folded fan blade 5 and the multi-disc and is folded and press fan blade 6, motor 3 installs in tube-shape casing 1 through support piece 2, and motor 3's pivot center and tube-shape casing 1's central line coincidence, axle sleeve 4 installs in motor 3's pivot, each is folded and presses fan blade 6 to be even interval arrangement on the terminal surface of axle sleeve 4, each folds and presses fan blade 5 to arrange in corresponding two adjacent intervals of being folded and press fan blade 6, and each folds and press fan blade 5 to fold and press on adjacent a pair of fan blade 6, each folds and presses fan blade 5 and is folded and press the terminal surface fastening connection that fan blade 6 passes through bolt 7 and axle sleeve 4. During installation, the motor 3 is firstly installed on the supporting piece 2, then the supporting piece 2 and the motor 3 are placed in the cylindrical shell 1, the supporting piece 2 and the cylindrical shell 1 are fixedly connected, the center of a rotating shaft of the motor 3 is ensured to be superposed with the central line of the cylindrical shell 1, then the shaft sleeve 4 is installed on the rotating shaft of the motor 3, then the superposed fan blades 6 are uniformly arranged on the end face of the shaft sleeve 4 at intervals, the superposed fan blades 5 are arranged in the interval between two corresponding adjacent superposed fan blades 6, each superposed fan blade 5 is ensured to be superposed on the adjacent superposed fan blades 6, and finally the superposed fan blades 5 and the superposed fan blades 6 are fixedly connected with the end face of the shaft sleeve 4 through bolts 7. Compared with the traditional structure, the axial flow fan saves a hub, and reduces the manufacturing cost of the whole axial flow fan; each laminated fan blade 5 and each laminated fan blade 6 are arranged on the end face of the shaft sleeve 4 through bolts 7, a detachable connecting structure is formed, disassembly and assembly are convenient, the convenience of replacement and maintenance of the laminated fan blades 5 and the laminated fan blades 6 is improved, and therefore the use, replacement and maintenance costs are reduced; furthermore, each laminated fan blade 5 is laminated on the laminated fan blades 6 on two adjacent sides, and through the interval laminated structure, all the laminated fan blades 5 and the laminated fan blades 6 form a continuous associated structure in the circumferential direction, so that connection strength compensation is provided for connection of the bolts 7, and stability and reliability are greatly improved.
In this embodiment, the two sides of each of the laminated fan blades 6 are provided with laminated depressions, and each of the laminated fan blades 5 is laminated in the laminated depressions of the adjacent two sides of the laminated fan blades 6. The laminating depression is convenient for laminating and positioning the laminating fan blade 5 on one hand to improve the convenience of installation, and on the other hand, the laminating depression can form a blocking force on the laminating fan blade 5, when the laminating fan blade 5 is subjected to wind power, the blocking force acts on the laminating fan blade 5, and the shearing load of the bolt 7 is well reduced.
In this embodiment, when each of the laminated fan blades 5 is laminated in the laminated recess of the laminated fan blades 6 on two adjacent sides, the laminated fan blades 5 and the laminated fan blades 6 keep the surface level at the laminated position. The arrangement can prevent the wind flow from being subjected to resistance at the position, and the axial flow effect is improved.
In this embodiment, the same bolt 7 connects the adjacent laminated fan blade 5 and the laminated fan blade 6. The connecting position of the bolt 7 is just positioned at the laminating position, so that the cost is saved on one hand; on the other hand, the bolt 7 connection is equivalently strongly connected at the laminated position, and the connection strength is greatly improved.
In this embodiment, the middle of the edge of one side of the laminated fan blade 5 and the laminated fan blade 6 is provided with a section of arc-shaped concave portion 8, the middle of the edge of the other side is provided with a section of arc-shaped convex portion 9, and the arc-shaped convex portion 9 and the arc-shaped concave portion 8 are in gradual smooth transition. The wind flow enters from the arc concave part 8 and is blocked by the arc convex part 9 and is output to the tail end of the fan blade to form axial flow wind, and the axial flow wind generator is simple in structure and ingenious in design.
In this embodiment, the laminating end of the laminating fan blade 5 and the laminated fan blade 6 is set as a plane end, and the plane end is in gradual smooth transition to the arc-shaped concave part 8 and the arc-shaped convex part 9. The arrangement of the plane end increases the contact area with the end surface of the shaft sleeve 4 and improves the connection strength.
In this embodiment, the end of the laminated fan blade 5 and the end of the laminated fan blade 6 away from the laminated end are set as arc-shaped warped ends, and the arc-shaped warped ends are in gradual smooth transition to the arc-shaped concave portion 8 and the arc-shaped convex portion 9. The arrangement of the arc-shaped warping end enables the air flow to be output, and more stable and reliable axial flow air is formed.
In this embodiment, the laminated fan blade 5 and the laminated fan blade 6 are gradually thinned from the plane end to the arc-shaped warping end. The thickness of the plane end is larger than that of the arc-shaped warping end, so that the stress and the connection strength of the plane end are guaranteed, and the energy consumption can be reduced.
In this embodiment, the plurality of supporting members 2 are provided, each supporting member 2 includes a supporting plate 21 disposed on a flow guide plate 22 at one end of the supporting plate 21, each supporting plate 21 is uniformly arranged along the circumferential direction of the motor 3 and is connected to the cylindrical shell 1 and the motor 3, and each flow guide plate 22 is close to the laminated fan blade 5 and the laminated fan blade 6. In the structure, the supporting plate 21 mainly plays a role in connecting and supporting the motor 3, and the guide plate 22 is close to the fan blade, so that the wind flow is conveniently guided to the fan blade, and the energy consumption is reduced.
In this embodiment, the bottom of the cylindrical casing 1 is provided with feet 10. The anchor 10 is used to support the cylindrical housing 1, ensuring stability in use.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an axial fan which characterized in that: the fan blade laminating machine comprises a cylindrical shell (1), a supporting piece (2), a motor (3), a shaft sleeve (4), a plurality of laminating fan blades (5) and a plurality of laminated fan blades (6), wherein the motor (3) is installed in the cylindrical shell (1) through the supporting piece (2), the center of a rotating shaft of the motor (3) is superposed with the center line of the cylindrical shell (1), the shaft sleeve (4) is installed on the rotating shaft of the motor (3), the laminated fan blades (6) are evenly arranged on the end face of the shaft sleeve (4) at intervals, the laminated fan blades (5) are arranged in the interval of two corresponding adjacent laminated fan blades (6), each laminated fan blade (5) is laminated on the adjacent pair of laminated fan blades (6), and the laminated fan blades (5) and the laminated fan blades (6) are fastened and connected with the end face of the shaft sleeve (4) through bolts (7).
2. The axial flow fan according to claim 1, wherein: the two sides of each laminated fan blade (6) are provided with laminated depressions, and each laminated fan blade (5) is laminated in the laminated depressions of the adjacent two sides of the laminated fan blades (6).
3. The axial flow fan according to claim 2, wherein: when each laminated fan blade (5) is laminated in the laminated depression of the laminated fan blade (6) at two adjacent sides, the laminated fan blade (5) and the laminated fan blade (6) keep the surface level at the laminated position.
4. The axial flow fan according to claim 3, wherein: the same bolt (7) is connected with the adjacent laminated fan blade (5) and the laminated fan blade (6).
5. The axial flow fan according to claim 4, wherein: the middle part of the edge of one side of the laminated fan blade (5) and the laminated fan blade (6) is provided with a section of arc-shaped concave part (8), the middle part of the edge of the other side of the laminated fan blade is provided with a section of arc-shaped convex part (9), and the arc-shaped convex part (9) and the arc-shaped concave part (8) are in gradual smooth transition.
6. The axial flow fan according to claim 5, wherein: the laminating end of the laminating fan blade (5) and the laminated fan blade (6) is a plane end, and the plane end is in gradual smooth transition to the arc concave part (8) and the arc convex part (9).
7. The axial flow fan according to claim 6, wherein: the end, far away from the laminating end, of the laminating fan blade (5) and the laminated fan blade (6) is set to be an arc-shaped warping end, and the arc-shaped warping end is in gradual smooth transition to the arc-shaped concave part (8) and the arc-shaped convex part (9).
8. The axial flow fan according to claim 7, wherein: the laminated fan blade (5) and the laminated fan blade (6) are gradually thinned from the plane end to the arc-shaped warping end.
9. The axial flow fan according to any one of claims 1 to 8, wherein: support piece (2) are equipped with a plurality ofly, support piece (2) include that backup pad (21) set up guide plate (22) in backup pad (21) one end, and each backup pad (21) evenly arranges and connect tube-shape casing (1) and motor (3) along motor (3) circumferential direction, and each guide plate (22) are close to fold and press fan blade (5) and fold and press fan blade (6).
10. The axial flow fan according to any one of claims 1 to 8, wherein: the bottom of the cylindrical shell (1) is provided with feet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655626.7U CN212055211U (en) | 2020-04-26 | 2020-04-26 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020655626.7U CN212055211U (en) | 2020-04-26 | 2020-04-26 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055211U true CN212055211U (en) | 2020-12-01 |
Family
ID=73519158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020655626.7U Active CN212055211U (en) | 2020-04-26 | 2020-04-26 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055211U (en) |
-
2020
- 2020-04-26 CN CN202020655626.7U patent/CN212055211U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 414000 No. 9, West of Ankang Road and North of Liaoyuan Road, Jinlong District, High tech Zone, Jinlong Town, Xiangyin County, Yueyang City, Hunan Province Patentee after: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. Address before: 21 / F, building 2, Yingxiang spring phase 2, 220 Fuyuan West Road, Kaifu District, Changsha City, Hunan Province 410005 Patentee before: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Yizhong Fan Co.,Ltd. Assignor: HUNAN JINNUO POWER EQUIPMENT MANUFACTURING CO.,LTD. Contract record no.: X2023980047101 Denomination of utility model: An axial flow fan Granted publication date: 20201201 License type: Common License Record date: 20231120 |