CN215333608U - Impeller of multi-wing fan - Google Patents
Impeller of multi-wing fan Download PDFInfo
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- CN215333608U CN215333608U CN202121670536.6U CN202121670536U CN215333608U CN 215333608 U CN215333608 U CN 215333608U CN 202121670536 U CN202121670536 U CN 202121670536U CN 215333608 U CN215333608 U CN 215333608U
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- rim plate
- impeller
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Abstract
The utility model belongs to the technical field of fans, and particularly relates to an impeller of a multi-wing fan, which comprises a rear wheel disc, a front annular wheel disc positioned on the front side of the rear wheel disc, and a plurality of first blades connected between the rear wheel disc and the front annular wheel disc, wherein the rear wheel disc, the front annular wheel disc and the first blades are made of aluminum alloy, the rear wheel disc, the front annular wheel disc and the first blades are integrally formed by die casting, one end of the first blade is connected to the front end surface of the rear wheel disc, and the other end of the first blade is connected to the inner ring of the front annular wheel disc. The utility model has the advantages of no need of assembly and high precision.
Description
The technical field is as follows:
the utility model belongs to the technical field of fans, and particularly relates to an impeller of a multi-wing fan.
Background art:
the fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy.
Chinese utility model patent CN203297132U discloses a fan, including the casing, it forms the outward appearance of fan, plays the effect of protection and support to the device and the component that are located its inside. Furthermore, the fan also comprises blades positioned in the shell, and an impeller front disk and an impeller rear disk which are matched with the blades. Specifically, mounting holes are formed in the impeller front disc and the impeller rear disc, and the end portions of the blades extend into the mounting holes so as to be fixedly connected with the impeller front disc and the impeller rear disc. And the front disk of the impeller and the rear disk of the impeller are circular. The fan also comprises a plurality of supporting pieces which are uniformly distributed in the casing and form a certain included angle with the front impeller disc and the rear impeller disc. Particularly, support piece have with impeller front bezel edge fixed connection's first end and fixed connection in the second end that closes on impeller back plate central axis department, a plurality of support pieces evenly arrange around the central axis of impeller back plate so that the holding power that support piece provided is comparatively even, the mechanical properties of fan is good, support piece has increased the mechanical strength and the circularity of impeller front bezel and impeller back plate simultaneously.
When the impeller of the fan is assembled, the blades, the impeller front disc, the impeller rear disc and the supporting piece need to be assembled, the assembling steps are multiple, the operation is troublesome, and the precision of the assembly error is not high.
The utility model content is as follows:
the utility model aims to provide an impeller of a multi-wing fan, which does not need to be assembled and has high precision.
The utility model is realized by the following steps:
the utility model provides an impeller of multi-wing formula fan, includes back rim plate, the preceding ring shape rim plate that is located back rim plate front side and the multi-disc blade of being connected between back rim plate and the preceding ring shape rim plate, the material of back rim plate, preceding ring shape rim plate and blade is the aluminum alloy, back rim plate, preceding ring shape rim plate and blade are one and are the die-casting shaping of an organic whole, the one end of blade is connected on the preceding terminal surface of back rim plate, the inner circle of preceding ring shape rim plate is connected to the other end.
In the impeller of the multi-wing fan, the rear wheel disc is disc-shaped, and a through hole for the rotating shaft to pass through is formed in the middle of the rear wheel disc.
In the impeller of the multi-wing fan, the rear side of the rear wheel disc is provided with a rear circular wheel disc, a plurality of blades II are connected between the rear wheel disc and the rear circular wheel disc, the rear circular wheel disc and the blades II are made of aluminum alloy, the rear wheel disc, the rear circular wheel disc and the blades II are integrally formed in a die-casting mode, one end of each blade II is connected to the rear end face of the rear wheel disc, and the other end of each blade II is connected with the inner ring of the rear circular wheel disc.
In the impeller of the multi-blade fan, the first blade and the second blade are arranged in a staggered manner.
In the impeller of the multi-wing fan, the rear wheel disc comprises a circular ring-shaped rim, a hub arranged in the rim and used for assembling the rotating shaft, and a plurality of spokes for connecting the rim and the hub, one end of the first blade is connected to the front end face of the rim, and one end of the second blade is connected to the rear end face of the rim.
In the impeller of the multi-wing fan, the height H1 of the front circular ring-shaped wheel disc is 8mm-12mm, the height H2 of the rear circular ring-shaped wheel disc is 8mm-12mm, and the thickness of the first blade is 2.5mm-3.5 mm.
Compared with the prior art, the utility model has the outstanding advantages that:
1. the rear wheel disc, the front annular wheel disc and the first blade are integrally formed through die casting, assembly and supporting pieces are not needed, the number of assembly steps is small, parts are few, and the integral forming precision is high;
2. the rear side of the rear wheel disc is provided with the rear circular wheel disc, the second blades are connected between the rear wheel disc and the rear circular wheel disc, and the rear wheel disc, the rear circular wheel disc and the second blades are integrally formed through over-casting, so that the high die drawing rejection rate and the poor strength of the first blades in the forming process due to the overlong first blades can be avoided, and the height of the impeller can be lengthened.
Description of the drawings:
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the present invention;
FIG. 3 is a side view of a first embodiment of the present invention;
FIG. 4 is a perspective view of a second embodiment of the present invention;
fig. 5 is a side view of a second embodiment of the present invention.
Reference numerals: 1. a rear wheel disc; 11. a rim; 12. a hub; 13. spokes; 2. a front circular wheel disc; 3. a first blade; 4. a rear circular wheel disc; 5. and a second blade.
The specific implementation mode is as follows:
the utility model will now be further described by way of specific examples, with reference to figures 1 to 5:
the first embodiment is as follows:
the utility model provides an impeller of multi-wing formula fan, includes back rim plate 1, be located the preceding ring shape rim plate 2 of back rim plate 1 front side and the multi-disc is connected the blade 3 between back rim plate 1 and preceding ring shape rim plate 2, the material of back rim plate 1, preceding ring shape rim plate 2 and blade 3 is the aluminum alloy, back rim plate 1, preceding ring shape rim plate 2 and blade 3 are integrative die-casting shaping, the one end of blade 3 is connected on the preceding terminal surface of back rim plate 1, the inner circle of preceding ring shape rim plate 2 is connected to the other end. As shown in figures 1-3, the rear wheel disc 1, the front annular wheel disc 2 and the first blades 3 are integrally formed through die casting, assembly and supporting pieces are not needed, assembly steps are few, parts are few, and the integral forming precision is high.
Furthermore, the rear wheel disc 1 is disc-shaped, and a through hole for the rotating shaft to pass through is formed in the middle of the rear wheel disc.
Furthermore, the height H1 of the front circular ring-shaped wheel disc 2 is 8mm-12mm, and the thickness of the first blade 3 is 2.5mm-3.5 mm. In this embodiment, the height H1 of the front circular ring-shaped wheel disc 2 is 10mm, the thickness of the first blade 3 is 3mm, the structure is firm and reliable, and the front circular ring-shaped wheel disc 2 has good mechanical strength and good roundness.
Example two:
the structure of this embodiment is substantially the same as that of the first embodiment, and the main difference is that: the rear wheel disc is characterized in that a rear circular wheel disc 4 is arranged on the rear side of the rear wheel disc 1, a second plurality of blades 5 are connected between the rear wheel disc 1 and the rear circular wheel disc 4, the rear circular wheel disc 4 and the second blades 5 are made of aluminum alloy, the rear wheel disc 1, the rear circular wheel disc 4 and the second blades 5 are integrally formed in a die-casting mode, one end of each second blade 5 is connected to the rear end face of the rear wheel disc 1, and the other end of each second blade is connected with the inner ring of the rear circular wheel disc 4. As shown in fig. 4 and 5, the impeller provided by the utility model can avoid high die drawing rejection rate and poor strength of the first blade 3 in the forming process due to the overlong first blade 3, and can also lengthen the height of the impeller.
For better air outlet effect, the first blade 3 and the second blade 5 are arranged in a staggered mode.
Structure of rear wheel disc 1: as shown in fig. 4, the rear wheel disc 1 includes a circular rim 11, a hub 12 disposed in the rim 11 for mounting the rotating shaft, and a plurality of spokes 13 connecting the rim 11 and the hub 12, wherein one end of the first blade 3 is connected to a front end surface of the rim 11, and one end of the second blade 5 is connected to a rear end surface of the rim 11. Compared with the first embodiment in which the rear wheel disc 1 is disc-shaped, the structure of the rear wheel disc 1 in the first embodiment is more material-saving and firm.
Furthermore, the height H1 of the front circular ring-shaped wheel disc 2 is 8mm-12mm, the height H2 of the rear circular ring-shaped wheel disc 4 is 8mm-12mm, and the thickness of the first blade 3 is 2.5mm-3.5 mm. In this embodiment, the height H1 of the front circular ring-shaped wheel disc 2 is 10mm, the height H2 of the rear circular ring-shaped wheel disc 4 is 10mm, the thickness of the first blade 3 is 3mm, the structure is firm and reliable, and the mechanical strength and the roundness of the front circular ring-shaped wheel disc 2 and the rear circular ring-shaped wheel disc 4 are good.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides an impeller of multi-wing formula fan, includes back rim plate (1), be located the preceding ring shape rim plate (2) of back rim plate (1) front side and multi-disc connect behind rim plate (1) and preceding ring shape rim plate (2) between blade (3), its characterized in that: the material of back rim plate (1), preceding ring shape rim plate (2) and blade (3) is the aluminum alloy, back rim plate (1), preceding ring shape rim plate (2) and blade (3) are die-casting shaping as an organic whole, the inner circle of preceding ring shape rim plate (2) is connected to the one end of blade (3) on the preceding terminal surface of back rim plate (1), the other end.
2. The impeller of a multiple-wing fan according to claim 1, wherein: the rear wheel disc (1) is disc-shaped, and a through hole for the rotating shaft to pass through is formed in the middle of the rear wheel disc.
3. The impeller of a multiple-wing fan according to claim 1, wherein: the rear wheel disc (1) rear side is equipped with back ring shape rim plate (4), be connected with multi-disc blade two (5) between back rim plate (1) and back ring shape rim plate (4), the material of back ring shape rim plate (4) and blade two (5) is the aluminum alloy, back rim plate (1), back ring shape rim plate (4) and blade two (5) are integrative die-casting, the one end of blade two (5) is connected on the rear end face of back rim plate (1), the inner circle of back ring shape rim plate (4) is connected to the other end.
4. The impeller of a multiple-wing fan according to claim 3, wherein: the first blade (3) and the second blade (5) are arranged in a staggered mode.
5. The impeller of a multiple-wing fan according to claim 3, wherein: the rear wheel disc (1) comprises a circular ring-shaped rim (11), a hub (12) arranged in the rim (11) and used for assembling a rotating shaft, and a plurality of spokes (13) connected with the rim (11) and the hub (12), wherein one end of the first blade (3) is connected to the front end face of the rim (11), and one end of the second blade (5) is connected to the rear end face of the rim (11).
6. The impeller of a multiple-wing fan according to claim 1, wherein: the height of the front circular ring-shaped wheel disc (2) is 8mm-12mm, and the thickness of the first blade (3) is 2.5mm-3.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121670536.6U CN215333608U (en) | 2021-07-21 | 2021-07-21 | Impeller of multi-wing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121670536.6U CN215333608U (en) | 2021-07-21 | 2021-07-21 | Impeller of multi-wing fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333608U true CN215333608U (en) | 2021-12-28 |
Family
ID=79569241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121670536.6U Active CN215333608U (en) | 2021-07-21 | 2021-07-21 | Impeller of multi-wing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333608U (en) |
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2021
- 2021-07-21 CN CN202121670536.6U patent/CN215333608U/en active Active
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