CN209212647U - A kind of double-sided impeller - Google Patents
A kind of double-sided impeller Download PDFInfo
- Publication number
- CN209212647U CN209212647U CN201822265289.6U CN201822265289U CN209212647U CN 209212647 U CN209212647 U CN 209212647U CN 201822265289 U CN201822265289 U CN 201822265289U CN 209212647 U CN209212647 U CN 209212647U
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- CN
- China
- Prior art keywords
- cover board
- central part
- blade
- double
- front vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of double-sided impeller provided by the utility model, including wheel hub, blade, first cover board and the second cover board, wheel hub includes central part and outer peripheral portion, central part is in hollow cylinder, it is axially disposed on the inner sidewall of central part to have keyway, outer peripheral portion setting coaxial with central part, outer peripheral portion includes leading flank and trailing flank, leading flank and trailing flank are symmetrical arranged, blade includes front vane and rear blade, front vane is arranged on the corresponding central part of leading flank, rear blade is arranged on the corresponding central part in trailing flank, the first cover board is installed on front side of front vane, the second cover board is installed on front side of rear blade, the center of first cover board is equipped with the first water inlet, the center of second cover board is equipped with the second water inlet, the first water outlet is formed between the edge and leading flank of first cover board, between the edge and trailing flank of second cover board The second water outlet is formed, the first cover board and the second cover board are symmetrical arranged.
Description
Technical field
The utility model relates to impeller technical fields, more particularly to a kind of double-sided impeller.
Background technique
Centrifugal pump impeller at work, since the asymmetry and impeller internal detailed structure of impeller front and rear cover plate are different,
When running at high speed, generated axial force is different, and impeller can be made to generate biggish axial force, increases its energy loss, reduces leaf
The working efficiency of wheel.
Utility model content
In view of the above technical problems, the utility model provides a kind of double-sided impeller, to reach reduction energy loss, improves
The purpose of impeller and pump work efficiency.
A kind of double-sided impeller of the utility model, including wheel hub, blade, the first cover board and the second cover board, the wheel hub
Including central part and outer peripheral portion, the central part is in hollow cylinder, is set on the inner sidewall of the central part along axial direction
It is equipped with keyway, outer peripheral portion setting coaxial with the central part, the outer peripheral portion includes leading flank and trailing flank, institute
It states leading flank and the trailing flank is symmetrical arranged, the blade includes front vane and rear blade, and the front vane is arranged described
On the corresponding central part of leading flank, the rear blade is arranged on the corresponding central part in the trailing flank, the front vane
Front side be installed with first cover board, second cover board is installed on front side of the rear blade, in first cover board
The heart is equipped with the first water inlet, and the center of second cover board is equipped with the second water inlet, the edge of first cover board and it is described before
The first water outlet is formed between side, forms the second water outlet between the edge and the trailing flank of second cover board, it is described
First cover board and second cover board are symmetrical arranged.
Preferably, the front vane and the rear blade are symmetrical arranged.Further, the front vane and the rear blade
The plane of symmetry it is coplanar with the plane of symmetry of first cover board and second cover board.
Preferably, the established angle of the blade is 180 °.Further, the quantity of the front vane is 2, the rear blade
Quantity be 2, and the front vane be symmetrical arranged, the rear blade be symmetrical arranged.
Preferably, the blade is an integral molding structure with the wheel hub.
Compared with prior art, a kind of double-sided impeller of the utility model, is mentioned by the design of front vane and rear blade
High flow rate of liquid, to effectively increase the efficiency of pump, while reducing axial force by the symmetric design of front and rear cover plate, so that
The working efficiency of impeller has obtained significant raising.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double-sided impeller of an embodiment of the present invention.
Fig. 2 is a kind of diagrammatic cross-section in the direction A-A of double-sided impeller of an embodiment of the present invention.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment
Detailed description are as follows.
Referring to Figure 1 and Fig. 2, a kind of double-sided impeller of the utility model, including wheel hub 1, blade 2,3 and of the first cover board
Second cover board 4, wheel hub 1 include central part 11 and outer peripheral portion 12, central part 11 be in hollow cylinder, central part 11 it is interior
Axially disposed on side wall to have keyway 5, the setting coaxial with central part 11 of outer peripheral portion 12, outer peripheral portion 12 includes leading flank
121 and trailing flank 122, leading flank 121 and trailing flank 122 are symmetrical arranged, and blade 2 includes front vane 21 and rear blade 22, frontal lobe
Piece 21 is arranged on the corresponding central part 11 of leading flank 121, and rear blade 22 is arranged in the corresponding central part 11 in trailing flank 122
On, the front side of front vane 21 is installed with the first cover board 3, and the front side of rear blade 22 is installed with the second cover board 4, in the first cover board 3
The heart is equipped with the first water inlet 31, and the center of the second cover board 4 is equipped with the second water inlet 41, the edge and leading flank 121 of the first cover board 3
Between form the first water outlet 32, the second water outlet 42, the first cover board 3 are formed between the edge and trailing flank 122 of the second cover board 4
It is symmetrical arranged with the second cover board 4.
Preferably, front vane 21 and rear blade 22 are symmetrical arranged.Further, the plane of symmetry of front vane 21 and rear blade 22
It is coplanar with the plane of symmetry of the first cover board 3 and the second cover board 4.
Preferably, the established angle of blade 2 is 180 °.Further, the quantity of front vane 21 is 2, the quantity of rear blade 22
It is 2, and front vane 21 is symmetrical arranged, rear blade 22 is symmetrical arranged.
Preferably, blade 2 is an integral molding structure with wheel hub 1, to guarantee the structural strength of impeller.
A kind of double-sided impeller of the utility model improves flow rate of liquid by the design of front vane and rear blade, from
And the efficiency of pump is effectively increased, while axial force is reduced by the symmetric design of front and rear cover plate, so that the working efficiency of impeller
Significant raising is obtained.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (6)
1. a kind of double-sided impeller, which is characterized in that including wheel hub, blade, the first cover board and the second cover board, the wheel hub includes
Central part and outer peripheral portion, the central part is in hollow cylinder, axially disposed on the inner sidewall of the central part to have
Keyway, outer peripheral portion setting coaxial with the central part, the outer peripheral portion includes leading flank and trailing flank, before described
Side and the trailing flank are symmetrical arranged, and the blade includes front vane and rear blade, and the front vane is arranged in the front side
On the corresponding central part in face, the rear blade is arranged on the corresponding central part in the trailing flank, before the front vane
Side is installed with first cover board, and second cover board is installed on front side of the rear blade, and the center of first cover board is set
There is the first water inlet, the center of second cover board is equipped with the second water inlet, the edge and the leading flank of first cover board
Between form the first water outlet, form the second water outlet between the edge and the trailing flank of second cover board, described first
Cover board and second cover board are symmetrical arranged.
2. a kind of double-sided impeller as described in claim 1, which is characterized in that the front vane and the rear blade are symmetrically set
It sets.
3. a kind of double-sided impeller as claimed in claim 2, which is characterized in that the front vane and the rear blade it is symmetrical
Face is coplanar with the plane of symmetry of first cover board and second cover board.
4. a kind of double-sided impeller as described in claim 1, which is characterized in that the established angle of the blade is 180 °.
5. a kind of double-sided impeller as claimed in claim 4, which is characterized in that the quantity of the front vane is 2, the rear leaf
The quantity of piece is 2, and the front vane is symmetrical arranged, and the rear blade is symmetrical arranged.
6. a kind of double-sided impeller as described in claim 1, which is characterized in that the blade is integrally formed with the wheel hub
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822265289.6U CN209212647U (en) | 2018-12-31 | 2018-12-31 | A kind of double-sided impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822265289.6U CN209212647U (en) | 2018-12-31 | 2018-12-31 | A kind of double-sided impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212647U true CN209212647U (en) | 2019-08-06 |
Family
ID=67466793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822265289.6U Expired - Fee Related CN209212647U (en) | 2018-12-31 | 2018-12-31 | A kind of double-sided impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212647U (en) |
-
2018
- 2018-12-31 CN CN201822265289.6U patent/CN209212647U/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: 20190806 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |