CN109578327A - A kind of backward inclined type of impeller - Google Patents
A kind of backward inclined type of impeller Download PDFInfo
- Publication number
- CN109578327A CN109578327A CN201811496549.9A CN201811496549A CN109578327A CN 109578327 A CN109578327 A CN 109578327A CN 201811496549 A CN201811496549 A CN 201811496549A CN 109578327 A CN109578327 A CN 109578327A
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- CN
- China
- Prior art keywords
- chassis
- tilting section
- inclined type
- backward inclined
- impeller according
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of backward inclined type of impellers, including chassis, several blades of chassis upper surface are set, several blades are arranged with the center circumferential array on chassis, blade includes surface plate, connect the arc plate of surface plate side, arc plate is set to far from the side in the middle part of chassis, the top surface of blade is provided with the first tilting section, connect the second tilting section of the first tilting section, first tilting section is set to the top surface of surface plate, first tilting section is disposed in proximity to one end of center chassis, first inclined height in the middle part of chassis towards chassis lateral direction by being gradually increased, second tilting section connects the highest point side of the first tilting section, the height of second tilting section is gradually reduced toward chassis outer ledge, the upper surface of second tilting section and the surface on chassis form the first angle, first tilting section, the lateral surface of second tilting section is outer with blade Side is coplanar.The present invention solves the problems, such as that traditional centrifugal impeller structure is single, cannot facilitate adjusting wind speed air quantity.
Description
Technical field
The present invention relates to a kind of impeller, especially a kind of backward inclined type of impeller.
Background technique
The design method of blower centrifugal impeller is using single straight plate blade or single circular arc flow design, such series at present
Change single mode design will cause blower performance change it is too big, it has not been convenient to controlled wind speed, air quantity.Traditional impeller blade,
Impeller is processed using steel plate, and blade is easy to happen bending deformation, the performance of blower is caused to be difficult to ensure, and uses Dan Ping
The Blade Properties difference of plate processing is poor；Using welding processing impeller, machining accuracy is difficult to guarantee, and manufacturing cost is too high, working efficiency
It is lower, it is difficult to guarantee fan performance；It is also easy to produce static electricity when running at high speed to produce fire by friction using steel plate materials welding integral leaf wheel
Flower causes fire.
Summary of the invention
The technical problem to be solved by the present invention is solving that traditional centrifugal impeller structure is single, cannot facilitate adjusting wind speed
The problem of air quantity.
The solution that the present invention solves its technical problem is:
Including chassis, several blades of the chassis upper surface, several described leaves are arranged in a kind of backward inclined type of impeller
Piece is arranged with the center circumferential array on the chassis, and the blade includes the arc plate of surface plate, the connection surface plate side,
The arc plate is set to far from the side in the middle part of the chassis, and the top surface of the blade is provided with the first tilting section, connection institute
The second tilting section of the first tilting section is stated, first tilting section is set to the top surface of the surface plate, first tilting section
Be disposed in proximity to one end of the center chassis, the first inclined height by the middle part of the chassis towards on the outside of the chassis
Direction is gradually increased, and second tilting section connects the highest point side of first tilting section, the height of second tilting section
It spends toward the chassis outer ledge and is gradually reduced, the upper surface of second tilting section and the surface on the chassis form the first folder
Angle, first tilting section, the lateral surface of second tilting section are coplanar with the lateral surface of the blade.
As a further improvement of the above technical scheme, further include reel, be provided with aperture, the axis in the middle part of the chassis
The periphery of disk is provided with several grooves, and the inner wall of the aperture is provided with several protrusions, the protrusion and the groove
Correspond cooperation.
As a further improvement of the above technical scheme, the lateral surface of the reel is provided with several slots, the plane
Plate connects the slot, and the tangential direction of the depth direction of slot slot position corresponding with the reel forms acute angle.
As a further improvement of the above technical scheme, the chassis uses aluminum alloy material.
As a further improvement of the above technical scheme, the blade uses aluminum alloy material.
As a further improvement of the above technical scheme, the angle of first angle is 10 ° -20 °.
As a further improvement of the above technical scheme, the angle of first angle is 15 °.
As a further improvement of the above technical scheme, the surface plate and the tangent connection of the arc plate, the circular arc
The tangent line of plate and the chassis edge forms obtuse angle.
As a further improvement of the above technical scheme, the diameter of a circle that the outboard end of several surface plates surrounds is big
In the half of several surrounded diameter of a circles of arc plate outboard end.
As a further improvement of the above technical scheme, the diameter of a circle etc. that the outboard end of several surface plates surrounds
In the half of several surrounded diameter of a circles of arc plate outboard end.
As a further improvement of the above technical scheme, the reel is provided with reinforcement between surface plate adjacent two-by-two
Muscle.
As a further improvement of the above technical scheme, the lateral surface of the reinforcing rib is provided with fillet, the fillet
Outer ledge of the circular arc opening direction towards the chassis.
As a further improvement of the above technical scheme, the vertical chassis of the surface plate, the arc plate.
The beneficial effects of the present invention are: the blade is arranged with center chassis circumference array, so that chassis is during rotation
With movable vane piece rotation, it can be achieved that the function of air draught and air draft, the setting of the surface plate and the arc plate are extraneous upon rotation of the blade
Wind blown out from surface plate using arc plate, the effective controllability for improving air inlet with outlet air passes through first tilting section, the
The setting of two tilting sections, the first angle, extraneous air are inhaled into the middle part of chassis, and partial air passes through the lateral surface of blade
Blowout, partial air are blown out again by first tilting section, the second tilting section, the first angle, when air is by first inclination
Section, the second tilting section, the first angle, air are moved along its surface, and the performance indicator for the blower which meets effectively mentions
High impeller reaches the design efficiency of some particular characteristic index, in addition, the performance of impeller can be played preferably.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the first axonometric drawing of the invention；
Fig. 2 is side structure schematic diagram of the invention；
Fig. 3 is overlooking structure diagram of the invention；
Fig. 4 is the second axonometric drawing of the invention.
In figure: chassis 1, surface plate 2, arc plate 3, the first tilting section 4, the second tilting section 5, the first angle 6, groove 7 are convex
Rise 8, slot 9, acute angle 10, obtuse angle 11, reinforcing rib 12, reel 13.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Including chassis 1, several leaves of 1 upper surface of chassis are arranged in referring to Fig.1~Fig. 4, a kind of backward inclined type of impeller
Piece, several described blades are arranged with the center circumferential array on the chassis 1, and the blade includes surface plate 2, connects described put down
The arc plate 3 of 2 side of panel, the arc plate 3 are set to the side far from 1 middle part of chassis, and the top surface of the blade is set
It is equipped with the second tilting section 5 of the first tilting section 4, connection first tilting section 4, first tilting section 4 is set to described flat
The top surface of panel 2, first tilting section 4 are disposed in proximity to the one end at 1 center of chassis, the first inclined height by
1 middle part of chassis is gradually increased towards 1 lateral direction of chassis, and second tilting section 5 connects first tilting section 4
Highest point side, the height of second tilting section 5 is gradually reduced toward 1 outer ledge of chassis, second tilting section 5
Upper surface and the chassis 1 surface formed the first angle 6, the outside of first tilting section 4, second tilting section 5
Face is coplanar with the lateral surface of the blade.
In the present embodiment, the blade is with the setting of 1 center circumferential array of chassis, so that chassis 1 drives during rotation
Blade rotation, it can be achieved that air draught and air draft function, the setting of the surface plate 2 and the arc plate 3, upon rotation of the blade the external world
Wind is blown out from surface plate 2 using arc plate 3, the effective controllability for improving air inlet with outlet air, by first tilting section 4,
The setting of second tilting section 5, the first angle 6, extraneous air are inhaled into from the middle part on chassis 1, and partial air is by blade
Lateral surface blowout, partial air are blown out again by first tilting section 4, the second tilting section 5, the first angle 6, when air is by being somebody's turn to do
First tilting section 4, the second tilting section 5, the first angle 6, air are moved along its surface, the performance for the blower which meets
Index effectively improves the design efficiency that impeller reaches some particular characteristic index, in addition, the performance of impeller can preferably be sent out
It waves.
It is further used as preferred embodiment, further includes reel 13, aperture, the axis are provided in the middle part of the chassis 1
The periphery of disk 13 is provided with several grooves 7, and the inner wall of the aperture is provided with several protrusions 8, described raised 8 with it is described
Groove 7 corresponds cooperation；The structure is simple, setting is convenient, and setting with this configuration being capable of more convenient income reel 13
Installation, disassembly, the furthermore installation of the reel 13, more convenient connection machine shaft.
It is further used as preferred embodiment, the lateral surface of the reel 13 is provided with several slots 9, the surface plate
The 2 connection slots 9, the tangential direction of 9 position of the depth direction of the slot 9 slot corresponding with the reel 13 form acute angle
10, the structure is simple, setting is reasonable, and setting with this configuration more convenient can be entered the wind the angle on blade
It adjusts.
It is further used as preferred embodiment, the chassis 1 uses aluminum alloy material.
It is further used as preferred embodiment, the blade uses aluminum alloy material.
It is easy to produce static electricity when avoiding running at high speed using traditional steel to produce fire by friction by the setting of the aluminum alloy material
Flower, by using aluminum alloy material, those skilled in the art can disposably cast integral wheel, in addition, the camber of arc plate 3
It is bent more accurate, it is ensured that air inlet, the air outlet angle of blade do not need secondary operation integral wheel, improve impeller usability
Energy and production efficiency.
It is further used as preferred embodiment, the angle of first angle 6 is 10 ° -20 °；The structure is simple, is arranged
Rationally, the air output of setting with this configuration, blade is ideal.
It is further used as preferred embodiment, the angle of first angle 6 is 15 °；Preferably, first angle 6
When using 15 °, air output had both been able to satisfy the air quantity performance of blade, while while producing is more convenient.
It is further used as preferred embodiment, the surface plate 2 and the tangent connection of the arc plate 3, the arc plate 3
Obtuse angle 11 is formed with the tangent line at 1 edge of chassis；The structure is simple, setting is convenient, and it is more stable to can be realized outlet air, furthermore
Those skilled in the art can be according to the adjustment to obtuse angle 11, so that meeting is accordingly fan performance.
It is further used as preferred embodiment, the diameter of a circle that the outboard end of several surface plates 2 surrounds is equal to
The half of several surrounded diameter of a circles of 3 outboard end of arc plate.
It is further used as preferred embodiment, the diameter of a circle that the outboard end of several surface plates 2 surrounds is greater than
The half of several surrounded diameter of a circles of 3 outboard end of arc plate.
It is further used as preferred embodiment, the reel 13 is provided with reinforcement between surface plate 2 adjacent two-by-two
Muscle 12, the structure is simple, setting is reasonable.
It is further used as preferred embodiment, the lateral surface of the reinforcing rib 12 is provided with fillet, the circle of the fillet
Outer ledge of the arc opening direction towards the chassis 1.
It is further used as preferred embodiment, the vertical chassis 1 of the surface plate 2, the arc plate 3；The knot
Structure is simple, setting is convenient, and setting with this configuration can facilitate processing while the performance requirement for meeting fan blade.
Those skilled in the art correspondingly can be bent the blade by changing the outer diameter of the impeller during design
Intersection point diameter increases, and blade bending intersection point diameter refers to the surface plate 2 and 3 junction of arc plate；In impeller outer diameter
When increase, which increases, i.e. the diameter that the highest point of several first tilting sections 4 is surrounded increases；
When the outer diameter of impeller increases, the arc plate 3, surface plate 2 height can be correspondingly improved, and then effectively improve air quantity；When
When the outer diameter of impeller increases, which correspondingly increases；When impeller outer diameter increases, which correspondingly increases.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (13)
1. a kind of backward inclined type of impeller, it is characterised in that: including chassis (1), setting the chassis (1) upper surface several leaves
Piece, several described blades are arranged with the center circumferential array of the chassis (1), and the blade includes surface plate (2), connection institute
The arc plate (3) of surface plate (2) side is stated, the arc plate (3) is set to far from the side in the middle part of the chassis (1), described
The top surface of blade is provided with the second tilting section (5) of the first tilting section (4), connection first tilting section (4), and described first inclines
Oblique section (4) is set to the top surface of the surface plate (2), and first tilting section (4) is disposed in proximity to the chassis (1) center
One end, the first inclined height are described by being gradually increased in the middle part of the chassis (1) towards the chassis (1) lateral direction
Second tilting section (5) connects the highest point side of first tilting section (4), and the height of second tilting section (5) is described in
Chassis (1) outer ledge is gradually reduced, and the upper surface of second tilting section (5) and the surface of the chassis (1) form first
Angle (6), first tilting section (4), the lateral surface of second tilting section (5) are coplanar with the lateral surface of the blade.
2. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: it further include reel (13), the chassis (1)
Middle part is provided with aperture, and the periphery of the reel (13) is provided with several grooves (7), if the inner wall of the aperture is provided with
Dry raised (8), the protrusion (8) and the groove (7) correspond and cooperate.
3. a kind of backward inclined type of impeller according to claim 2, it is characterised in that: the periphery of the reel (13) is provided with
Several slots (9), the surface plate (2) connect the slot (9), the depth direction and the reel of the slot (9)
(13) tangential direction of corresponding slot (9) position forms acute angle (10).
4. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the blade uses aluminum alloy material.
5. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the chassis (1) uses aluminum alloy material.
6. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the angle of first angle (6) is
10°-20°。
7. a kind of backward inclined type of impeller according to claim 6, it is characterised in that: the angle of first angle (6) is
15°。
8. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the surface plate (2) and the arc plate
(3) tangent line at tangent connection, the arc plate (3) and the chassis (1) edge forms obtuse angle (11).
9. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the outside of several surface plates (2)
The diameter of a circle surrounded is held to be greater than the half of several surrounded diameter of a circles of arc plate (3) outboard end.
10. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the outside of several surface plates (2)
The diameter of a circle surrounded is held to be equal to the half of several surrounded diameter of a circles of arc plate (3) outboard end.
11. a kind of backward inclined type of impeller according to claim 3, it is characterised in that: the reel (13) is adjacent two-by-two
Reinforcing rib (12) are provided between surface plate (2).
12. a kind of backward inclined type of impeller according to claim 11, it is characterised in that: the lateral surface of the reinforcing rib (12) is set
It is equipped with fillet, the outer ledge of the circular arc opening direction of the fillet towards the chassis (1).
13. a kind of backward inclined type of impeller according to claim 1, it is characterised in that: the surface plate (2), the arc plate
(3) the vertical chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496549.9A CN109578327B (en) | 2018-12-07 | 2018-12-07 | Backward bending impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496549.9A CN109578327B (en) | 2018-12-07 | 2018-12-07 | Backward bending impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578327A true CN109578327A (en) | 2019-04-05 |
| CN109578327B CN109578327B (en) | 2023-09-05 |
Family
ID=65927771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811496549.9A Active CN109578327B (en) | 2018-12-07 | 2018-12-07 | Backward bending impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578327B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231952A1 (en) * | 2002-06-18 | 2003-12-18 | Moss Glenn A. | Turbine fuel pump impeller |
| CN203430854U (en) * | 2013-08-29 | 2014-02-12 | 中联重科股份有限公司 | Impeller, centrifugal fan provided with impeller and road cleaning equipment |
| DE202017100191U1 (en) * | 2017-01-16 | 2017-01-26 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan impeller with predefined outflow direction |
| CN107143522A (en) * | 2017-07-03 | 2017-09-08 | 广东威灵电机制造有限公司 | Impeller, blower fan and motor |
| CN107288927A (en) * | 2017-08-17 | 2017-10-24 | 苏州欧比特机械有限公司 | A kind of blast fan |
| CN207920954U (en) * | 2018-02-01 | 2018-09-28 | 芜湖美的厨卫电器制造有限公司 | Impeller, wind turbine and gas heater |
-
2018
- 2018-12-07 CN CN201811496549.9A patent/CN109578327B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030231952A1 (en) * | 2002-06-18 | 2003-12-18 | Moss Glenn A. | Turbine fuel pump impeller |
| CN203430854U (en) * | 2013-08-29 | 2014-02-12 | 中联重科股份有限公司 | Impeller, centrifugal fan provided with impeller and road cleaning equipment |
| DE202017100191U1 (en) * | 2017-01-16 | 2017-01-26 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan impeller with predefined outflow direction |
| CN107143522A (en) * | 2017-07-03 | 2017-09-08 | 广东威灵电机制造有限公司 | Impeller, blower fan and motor |
| CN107288927A (en) * | 2017-08-17 | 2017-10-24 | 苏州欧比特机械有限公司 | A kind of blast fan |
| CN207920954U (en) * | 2018-02-01 | 2018-09-28 | 芜湖美的厨卫电器制造有限公司 | Impeller, wind turbine and gas heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578327B (en) | 2023-09-05 |
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