CN210715256U - High-strength centrifugal wind wheel - Google Patents
High-strength centrifugal wind wheel Download PDFInfo
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- CN210715256U CN210715256U CN201921776629.XU CN201921776629U CN210715256U CN 210715256 U CN210715256 U CN 210715256U CN 201921776629 U CN201921776629 U CN 201921776629U CN 210715256 U CN210715256 U CN 210715256U
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- chassis
- wind wheel
- fan blade
- reinforcing ring
- connecting shaft
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Abstract
The utility model discloses a high-strength centrifugal wind wheel, which comprises a first wind wheel and a second wind wheel, wherein the first wind wheel comprises a first chassis and a first reinforcing ring, a plurality of first fan blades are fixedly connected between the first chassis and the first reinforcing ring and are annularly and uniformly distributed, one side of the first chassis, which is opposite to the first fan blades, is axially and convexly provided with a connecting shaft, and the connecting part of the connecting shaft and the first chassis is of a hexagonal prism structure; the second wind wheel comprises a second chassis and a second reinforcing ring, a plurality of second fan blades are uniformly distributed between the second chassis and the second reinforcing ring in an annular mode, two ends of each second fan blade are respectively connected with the second chassis and the second reinforcing ring in an inserting way, and two side edges of each second fan blade are coated with wear-resistant metal sleeves; after the connecting shaft passes through the second chassis, the hexagonal prism part of the connecting shaft is fixedly arranged on the second chassis; the length of the first fan blade is 1/2-1/3 of the length of the second fan blade. The service life of the first fan blade is prolonged through the wear-resistant metal sleeve, and the two ends of the first fan blade are relatively uniformly worn through the second wind wheel.
Description
Technical Field
The utility model relates to a centrifugal wind wheel technical field, especially a high strength centrifugal wind wheel.
Background
The existing centrifugal wind wheel generally adopts a column type wind wheel structure in order to save the manufacturing cost, although the structure is simple to manufacture, the strength is lower, and particularly, the two sides of the fan blade are easy to wear, so that the dynamic balance of the centrifugal wind wheel is damaged. In addition, the centrifugal wind wheel is used for air inlet at the center and air outlet at two sides, so that one end of the fan blade close to the air inlet side is abraded more due to sufficient air volume, one side far away from the air inlet is abraded less due to less air volume, and finally, two ends of the fan blade in the centrifugal wind wheel are abraded unevenly, so that the dynamic balance of the centrifugal wind wheel is damaged. When the dynamic balance of the centrifugal wind wheel is damaged, the centrifugal wind wheel shakes, and the centrifugal fan cannot work normally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength centrifugal wind wheel can guarantee the homogeneity of fan blade wearing and tearing promptly, can promote the life of fan blade in the centrifugal wind wheel again, guarantees centrifugal fan's long-time normal work.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a high strength centrifugal wind wheel comprising:
the first wind wheel comprises a first chassis and a first reinforcing ring arranged opposite to the first chassis, a plurality of first fan blades are fixedly connected between the first chassis and the first reinforcing ring and are uniformly distributed in an annular shape, a connecting shaft is axially and convexly arranged on one side of the first chassis back to the first fan blades, and the connecting part of the connecting shaft and the first chassis is of a hexagonal prism structure;
the second wind wheel comprises a second chassis and a second reinforcing ring arranged opposite to the second chassis, a plurality of second fan blades are uniformly distributed between the second chassis and the second reinforcing ring in an annular manner, two ends of each second fan blade are respectively connected with the second chassis and the second reinforcing ring in an inserting way, and two side edges of each second fan blade are coated with wear-resistant metal sleeves; after the connecting shaft passes through the second chassis, the hexagonal prism part of the connecting shaft is fixedly inserted on the second chassis;
the first fan blade is 1/2-1/3 of the second fan blade in length.
Furthermore, the vertical surfaces of the upper end and the lower end of the wear-resistant metal sleeve are respectively provided with a clamping block which protrudes transversely.
Furthermore, the wear-resistant metal sleeve is detachably connected with the two side edges of the second fan blade.
Furthermore, the second chassis and the second reinforcing ring are respectively provided with an annular groove, a positioning ring is embedded in the annular groove, and each positioning ring penetrates through one end of each of the plurality of second fan blades which are annularly arranged.
Has the advantages that: 1. the first wind wheel can push the entering air to one end far away from the air inlet with a certain weight, so that the effect of supplementing the insufficient side air volume is achieved, and the abrasion uniformity of two ends of a second fan blade in the second wind wheel is ensured; meanwhile, the two side edges of the second fan blade are coated with the wear-resistant metal sleeves, so that the wear-resistant strength of the two side edges, which are most easily worn by the second fan blade, is ensured, and the service life of the second fan blade is prolonged. 2. The fixture block is arranged on the wear-resistant metal sleeve, a certain positioning effect can be achieved, and the second chassis and the second reinforcing ring do not need to be subjected to parallelism calibration in the installation process. 3. The wear-resisting metal covering is connected with dismantling between the second fan blade for wear-resisting metal covering becomes a removable consumable article, thereby has reduced the maintenance the utility model discloses a cost. 4. The positioning ring can ensure that the second chassis and the second reinforcing ring cannot be separated from the second fan blade in the high-speed rotation process of the second wind wheel.
Drawings
FIG. 1 is an assembly view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is an assembly view of the wear-resistant metal sleeve and a second fan blade;
FIG. 4 is a schematic structural view of a wear-resistant metal sleeve;
FIG. 5 is a schematic diagram of a first wind wheel;
fig. 6 is a schematic structural view of a reinforcement ring.
Reference numerals: 1. the wind wheel structure comprises a first wind wheel 11, a first chassis 12, a first reinforcing ring 13, a first fan blade 14, a connecting shaft 141, a hexagonal prism 2, a second wind wheel 21, a second chassis 22, a second reinforcing ring 23, a second fan blade 24, a wear-resistant metal sleeve 241, a clamping block 25, an annular groove 26, a positioning ring 3 and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The high-strength centrifugal wind wheel shown in fig. 1 to 6 comprises a first wind wheel 1 and a second wind wheel 2 fixedly sleeved outside the first wind wheel. The first wind wheel 1 comprises a first chassis 11 and a first reinforcing ring 12 arranged opposite to the first chassis, a plurality of first fan blades 13 distributed in an annular shape are arranged between the first chassis 11 and the first reinforcing ring 12, and two ends of each first fan blade are fixedly connected with the end faces of the first chassis and the first reinforcing ring respectively. Meanwhile, a connecting shaft 14 is axially and protrudingly arranged on the side surface of the first chassis, which faces away from the first reinforcing ring 12, and the joint of the connecting shaft and the first chassis is in a hexagonal prism 141 structure.
The second wind wheel 2 has a specific structure including a second chassis 21 and a second reinforcing ring 22 disposed opposite to the second wind wheel, wherein a plurality of second blades 23 are disposed between the second chassis and the second reinforcing ring and are annularly and uniformly distributed, and two ends of each second blade are respectively inserted into the second chassis and the second reinforcing ring in an interference fit manner. In addition, two longitudinal side edges of the second fan blade are respectively coated with a wear-resistant metal sleeve 24. Meanwhile, a hexagonal through hole matched with the section of the hexagonal prism on the connecting shaft 14 is formed in the center of the second chassis, and the hexagonal prism 141 at the tail of the connecting column after penetrating through the hexagonal through hole is clamped and fixed in the hexagonal through hole. Preferably, in order to ensure that the hexagonal prism 141 and the second wind wheel are not separated from each other, a nut 3 is screwed on the connecting column and tightly pressed against the side surface of the second chassis, so as to ensure that the first chassis and the second bottom plate can also be tightly pressed against each other.
In order to ensure the uniformity of the second wind wheel at the position, the length of the first fan blade is 1/2-1/3 of the length of the second fan blade.
As a further improvement of the above embodiment, a latch 241 is provided on the vertical surface of the upper and lower ends of the wear-resistant metal sleeve, and the latch 241 can be latched on the opposite surfaces of the second chassis and the second reinforcing ring.
As a further improvement of the above embodiment, the wear-resistant metal sleeve 24 is detachably connected with the second fan blade 22.
As a further improvement of the above embodiment, an annular groove 25 is respectively formed on the side surfaces of the second chassis and the second reinforcing ring, which are away from each other, and a positioning ring 26 is embedded in the annular groove, and the positioning ring 26 is respectively inserted into the end portion of the second chassis or the second reinforcing ring through the second fan blade, so that the second chassis and the second reinforcing ring cannot be separated from the second fan blade in the high-speed rotation process of the second wind wheel 2.
Claims (4)
1. A high strength centrifugal wind wheel, comprising:
the first wind wheel comprises a first chassis and a first reinforcing ring arranged opposite to the first chassis, a plurality of first fan blades are fixedly connected between the first chassis and the first reinforcing ring and are uniformly distributed in an annular shape, a connecting shaft is axially and convexly arranged on one side of the first chassis back to the first fan blades, and the connecting part of the connecting shaft and the first chassis is of a hexagonal prism structure;
the second wind wheel comprises a second chassis and a second reinforcing ring arranged opposite to the second chassis, a plurality of second fan blades are uniformly distributed between the second chassis and the second reinforcing ring in an annular manner, two ends of each second fan blade are respectively connected with the second chassis and the second reinforcing ring in an inserting way, and two side edges of each second fan blade are coated with wear-resistant metal sleeves; after the connecting shaft passes through the second chassis, the hexagonal prism part of the connecting shaft is fixedly inserted on the second chassis;
the first fan blade is 1/2-1/3 of the second fan blade in length.
2. A high strength centrifugal wind rotor according to claim 1, wherein: the vertical surfaces at the upper end and the lower end of the wear-resistant metal sleeve are respectively provided with a clamping block which protrudes transversely.
3. A high strength centrifugal wind rotor according to claim 2, wherein: the wear-resistant metal sleeve is detachably connected with the two side edges of the second fan blade.
4. A high strength centrifugal wind rotor according to any of claims 1 to 3, wherein: the second chassis and the second reinforcing ring are respectively provided with an annular groove, a positioning ring is embedded in the annular groove, and each positioning ring penetrates through one end of a plurality of second fan blades arranged in an annular mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776629.XU CN210715256U (en) | 2019-10-22 | 2019-10-22 | High-strength centrifugal wind wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776629.XU CN210715256U (en) | 2019-10-22 | 2019-10-22 | High-strength centrifugal wind wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715256U true CN210715256U (en) | 2020-06-09 |
Family
ID=70934088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921776629.XU Active CN210715256U (en) | 2019-10-22 | 2019-10-22 | High-strength centrifugal wind wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715256U (en) |
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2019
- 2019-10-22 CN CN201921776629.XU patent/CN210715256U/en active Active
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