CN210686422U - Centrifugal blower impeller - Google Patents
Centrifugal blower impeller Download PDFInfo
- Publication number
- CN210686422U CN210686422U CN201921008751.2U CN201921008751U CN210686422U CN 210686422 U CN210686422 U CN 210686422U CN 201921008751 U CN201921008751 U CN 201921008751U CN 210686422 U CN210686422 U CN 210686422U
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- China
- Prior art keywords
- nut
- impeller
- impeller hub
- centrifugal
- rectangular sheet
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- Expired - Fee Related
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Abstract
The utility model discloses a centrifugal blower impeller, which comprises a disc-shaped impeller hub and an annular wheel edge which is coaxially arranged with the impeller hub; a plurality of centrifugal blades with arc-shaped sections are uniformly distributed between the impeller hub and the wheel edge in a circumferential array, and the length direction of each centrifugal blade is parallel to the axis of the impeller hub; the reinforcing ribs of the utility model effectively improve the structural strength of the centrifugal blades, and are helpful for overcoming the torsional force applied to the impeller in the process of accelerating rotation; the convex surface of the arc body of the nut anti-loosening sheet elastically supports against the outer side surface of the impeller hub or the wheel edge; like this the circular arc body can produce certain elastic deformation, and this elastic deformation makes this circular arc body produce certain resilience force effect all the time, and then makes the nut of screwing up the state receive the elasticity pretightning force that the nut held in the palm all the time, and then prevents effectively that nut 5 from taking place the not hard up condition, and then effectively improves split type impeller's reliability.
Description
Technical Field
The utility model belongs to the fan field.
Background
The impeller of the centrifugal blower has a large number of blades and a complex structure, and if an all-welded structure is adopted, the process is often too complex and the consistency of the product is difficult to ensure, so that a split-type disassembly structure is often adopted at present; and split type dismantlement structure's impeller is because not welded structure, consequently its blade can take place the not hard up phenomenon of junction after work for a long time, and then causes the noise, even more dangerous consequence.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a centrifugal blower impeller capable of preventing looseness.
The technical scheme is as follows: in order to achieve the purpose, the centrifugal blower impeller of the utility model comprises a disc-shaped impeller hub and an annular wheel edge which is coaxially arranged with the impeller hub; a plurality of centrifugal blades with arc-shaped sections are uniformly distributed between the impeller hub and the wheel edge in a circumferential array, and the length direction of each centrifugal blade is parallel to the axis of the impeller hub; two ends of each centrifugal blade are respectively and vertically and fixedly connected with a first rectangular sheet and a second rectangular sheet; two threaded columns are vertically and fixedly arranged on one sides of the first rectangular sheet and the second rectangular sheet far away from the centrifugal blade; each grain column correspondingly penetrates through the stud through hole on the impeller hub or the wheel edge; the first rectangular sheet and the second rectangular sheet are respectively clung to the wheel edge and the inner side surface of the impeller hub; the nut locking device is characterized by further comprising a plurality of nut locking pieces, the middle parts of the nut locking pieces are downwards arc-shaped, downwards sunken and arc-shaped, two ends of each nut locking piece are provided with planar nut supports, and each nut support is provided with a sleeve hole in a hollowed-out mode; the tail ends of the two threaded columns on each first rectangular sheet respectively penetrate through the two sleeve holes on the corresponding nut anti-loosening sheet; the tail ends of the two threaded columns on each second rectangular sheet respectively penetrate through the two sleeve holes on the corresponding nut anti-loosening sheet; each threaded column is provided with a nut in a threaded locking manner, and each nut inwards pushes the corresponding nut support; and under the state that each nut is tightened, the convex surface of the arc body of each nut anti-loosening sheet elastically supports against the outer side surface of the impeller hub or the wheel edge.
Furthermore, the nut anti-loosening sheet is made of carbon spring steel.
Further, the axle center position fixed mounting of impeller wheel hub has the wheel center, be provided with the pivot mounting hole with the axle center on the wheel center.
Furthermore, a plurality of structural reinforcing ribs are integrally arranged on one side of the arc convex surface of each centrifugal blade, and each structural reinforcing rib extends along the length of each centrifugal blade in a square manner.
Has the advantages that: the reinforcing ribs of the utility model effectively improve the structural strength of the centrifugal blades, and are helpful for overcoming the torsional force applied to the impeller in the process of accelerating rotation; the convex surface of the arc body of the nut anti-loosening sheet elastically presses the outer side surface of the impeller hub or the wheel edge; like this the circular arc body can produce certain elastic deformation, and this elastic deformation makes this circular arc body produce certain resilience force effect all the time, and then makes the nut of screwing up the state receive the elasticity pretightning force that the nut held in the palm all the time, and then prevents effectively that nut 5 from taking place the not hard up condition, and then effectively improves split type impeller's reliability.
Drawings
FIG. 1 is a schematic view of the overall structure of the impeller;
FIG. 2 is an enlarged partial schematic view of the wheel rim;
FIG. 3 is a schematic view of a centrifugal blade configuration;
FIG. 4 is a schematic structural view of an anti-loosening sheet of the nut;
FIG. 5 is a schematic wheel edge view;
FIG. 6 is a schematic cross-sectional view of a centrifugal blade.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A centrifugal blower impeller as shown in figures 1 to 6, comprising a disc-shaped impeller hub 2 and an annular rim 3 arranged coaxially with the impeller hub 2; a plurality of centrifugal blades 1 with arc-shaped sections are uniformly distributed between the impeller hub 2 and the wheel edge 3 in a circumferential array, and the length direction of each centrifugal blade 1 is parallel to the axis of the impeller hub 2; the impeller hub 2 of the present embodiment is fixedly provided with a hub 22 at an axial center position, the hub 22 is provided with a rotating shaft mounting hole 21 at the same axial center, and the rotating shaft mounting hole 21 is used for connecting a rotating shaft; in the embodiment, a plurality of structural reinforcing ribs 15 are integrally arranged on one side of the arc convex surface of each centrifugal blade 1, and each structural reinforcing rib 15 extends along the length of the centrifugal blade 1 in a square manner; the reinforcing ribs 15 effectively improve the structural strength of the centrifugal blade 1 and are beneficial to overcoming the torsional force applied to the impeller in the process of accelerating rotation; in the embodiment, two ends of each centrifugal blade 1 are respectively and fixedly connected with a first rectangular sheet 11 and a second rectangular sheet 12 in a vertical manner; two threaded columns 7 are vertically and fixedly arranged on one sides of the first rectangular sheet 11 and the second rectangular sheet 12, which are far away from the centrifugal blade 1; each grain column 7 correspondingly penetrates through a stud penetrating hole 14 on the impeller hub 2 or the wheel edge 3; a first rectangular sheet 11 and a second rectangular sheet 12 are respectively clung to the inner side surfaces of the wheel edge 3 and the impeller hub 2; the anti-loosening nut is characterized by further comprising a plurality of nut anti-loosening pieces 6, in order to increase the resilience reliability of the anti-loosening nut, the nut anti-loosening pieces 6 are made of carbon spring steel, the middle parts of the nut anti-loosening pieces 6 are downwards arc-shaped and downwards sunken to form arc bodies 10, two ends of each nut anti-loosening piece 6 are planar nut supports 8, and each nut support 8 is provided with a sleeve hole 9 in a hollowed-out mode; the tail ends of the two threaded columns 7 on each first rectangular sheet 11 respectively penetrate through the two sleeve holes 9 on the corresponding nut anti-loosening sheet 6; the tail ends of the two threaded columns 7 on each second rectangular sheet 12 respectively penetrate through the two sleeve holes 9 on the corresponding nut anti-loosening sheet 6; each threaded column 7 is provided with a nut 5 in a threaded locking manner, and each nut 5 inwards pushes the corresponding nut support 8; under the state that each nut 5 is screwed, the convex surface of the arc body 10 of each nut anti-loosening sheet 6 elastically supports against the outer side surface of the impeller hub 2 or the wheel edge 3; like this the arc body 10 can produce certain elastic deformation, and this elastic deformation makes this arc body 10 produce certain resilience force effect all the time, and then makes the nut 5 of screwing up the state receive the elasticity pretightning force that the nut held in the palm 8 all the time, and then prevents effectively that nut 5 from taking place the not hard up condition, and then effectively improves split type impeller's reliability.
The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (4)
1. A centrifugal blower impeller characterized by: comprises a disc-shaped impeller hub (2) and an annular wheel edge (3) which is coaxial with the impeller hub (2); a plurality of centrifugal blades (1) with arc-shaped sections are uniformly distributed between the impeller hub (2) and the wheel edge (3) in a circumferential array, and the length direction of each centrifugal blade (1) is parallel to the axis of the impeller hub (2); two ends of each centrifugal blade (1) are respectively and fixedly connected with a first rectangular sheet (11) and a second rectangular sheet (12) in a vertical mode; two threaded columns (7) are vertically and fixedly arranged on one sides of the first rectangular sheet (11) and the second rectangular sheet (12) far away from the centrifugal blade (1); each grain column (7) correspondingly penetrates through a stud penetrating hole (14) on the impeller hub (2) or the wheel edge (3); a first rectangular sheet (11) and a second rectangular sheet (12) are respectively clung to the inner side surfaces of the wheel edge (3) and the impeller hub (2); the nut locking device is characterized by further comprising a plurality of nut locking pieces (6), the middle parts of the nut locking pieces (6) are downward arc-shaped and are downward sunken to form arc bodies (10), two ends of each nut locking piece (6) are provided with planar nut supports (8), and each nut support (8) is hollowed to form a sleeve hole (9); the tail ends of the two threaded columns (7) on each first rectangular sheet (11) respectively penetrate through the two sleeve holes (9) on the corresponding nut anti-loosening sheet (6); the tail ends of the two threaded columns (7) on each second rectangular sheet (12) respectively penetrate through the two sleeve holes (9) on the corresponding nut anti-loosening sheet (6); each threaded column (7) is provided with a nut (5) in a threaded locking manner, and each nut (5) inwards pushes the corresponding nut support (8); and under the tightening state of each nut (5), the convex surface of the arc body (10) of each nut anti-loosening sheet (6) elastically presses against the outer side surface of the impeller hub (2) or the rim (3).
2. A centrifugal blower wheel according to claim 1, wherein: the nut anti-loosening sheet (6) is made of carbon spring steel.
3. A centrifugal blower wheel according to claim 1, wherein: the impeller is characterized in that a wheel center (22) is fixedly mounted at the axis position of the impeller hub (2), and a rotating shaft mounting hole (21) is formed in the wheel center (22) coaxially.
4. A centrifugal blower wheel according to claim 1, wherein: a plurality of structural reinforcing ribs (15) are integrally arranged on one side of the arc convex surface of each centrifugal blade (1), and each structural reinforcing rib (15) extends along the length of the centrifugal blade (1) in a square manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008751.2U CN210686422U (en) | 2019-07-01 | 2019-07-01 | Centrifugal blower impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008751.2U CN210686422U (en) | 2019-07-01 | 2019-07-01 | Centrifugal blower impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210686422U true CN210686422U (en) | 2020-06-05 |
Family
ID=70901564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921008751.2U Expired - Fee Related CN210686422U (en) | 2019-07-01 | 2019-07-01 | Centrifugal blower impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210686422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220101978A (en) * | 2021-01-12 | 2022-07-19 | 한국수자원공사 | Variable impeller for pump |
-
2019
- 2019-07-01 CN CN201921008751.2U patent/CN210686422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220101978A (en) * | 2021-01-12 | 2022-07-19 | 한국수자원공사 | Variable impeller for pump |
| KR102479533B1 (en) | 2021-01-12 | 2022-12-20 | 한국수자원공사 | Variable impeller for pump |
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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: 20200605 Termination date: 20210701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |