CN108105155A - A kind of screw impeller - Google Patents
A kind of screw impeller Download PDFInfo
- Publication number
- CN108105155A CN108105155A CN201810095154.1A CN201810095154A CN108105155A CN 108105155 A CN108105155 A CN 108105155A CN 201810095154 A CN201810095154 A CN 201810095154A CN 108105155 A CN108105155 A CN 108105155A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- blade
- segment
- rear end
- screw impeller
- 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.)
- Granted
Links
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of screw impellers, belong to impeller technical field.It solves limitation of the existing axial-flow windwheel due to its structure, when being arranged in pipeline, wind-force and the more low technical problem of wind speed caused by rotation.The blade of this screw impeller is fixed on the lateral surface of wheel hub in the shape of a spiral along the axial direction of wheel hub, circular array is set blade centered on the central axes of wheel hub in the circumferential, radius gradually increases the front end of wheel hub from front to back, the rear end portion of wheel hub is cylindrical, the front end of blade and the front end of wheel hub are connected, and the rear end portion of blade and the rear end portion of wheel hub are connected.The design of spiral helicine blade and the wheel hub of lengthening can increase the distance that air flows between blade in the present invention, so that blade can assign air more kinetic energy, help to enhance wind pressure, improve wind-force.
Description
Technical field
The invention belongs to impeller technical fields, refer in particular to a kind of screw impeller.
Background technology
At present, axial-flow windwheel is a kind of energy transformation mechanism, the mechanical energy of rotation is turned extensively using fluid flowing is promoted
It is changed to fluid flowing kinetic energy.If axial-flow windwheel includes wheel hub and the dry plate blade being arranged on wheel hub, blade has leading edge, leaf
Point, outer rim, trailing edge, blade root, normal pressure face, negative pressure face.
A kind of axial-flow windwheel as disclosed in the utility model of Application No. " 201621210516.X " and with axis stream wind
The air conditioner of wheel, including：Wheel hub and multiple blades, multiple blades are located at the outer circumferential surface of wheel hub with being arranged in order along clockwise direction
On, the front side edge edge of each blade along clockwise direction is formed as leading edge, the rear lateral edge shape of each blade along clockwise direction
As trailing edge, the edge of the connection leading edge of each blade and the outer end of trailing edge is formed as outer rim, and outer rim is formed as middle part evagination
Arc, the two side walls face of each blade is respectively formed as normal pressure face and negative pressure face.
But above-mentioned axial-flow windwheel is due to the limitation of its structure, when being arranged in pipeline, rotate caused by wind-force with
And wind speed is relatively low.
The content of the invention
The object of the present invention is to provide a kind of more powerful impellers of wind-force.
The object of the present invention is achieved like this：
A kind of screw impeller, the impeller include wheel hub and at least three pieces blade, it is characterised in that：Blade is along wheel hub
It is axial to be fixed in the shape of a spiral on the lateral surface of wheel hub, the blade battle array in a ring centered on the central axes of the wheel hub in the circumferential
Row are set, and radius gradually increases the front end of the wheel hub from front to back, and the rear end portion of the wheel hub is cylindrical, before blade
The front end of end and wheel hub is connected, and the rear end portion of blade and the rear end portion of wheel hub are connected.
The design of spiral helicine blade and the wheel hub of lengthening can increase air and be flowed between blade in this screw impeller
Dynamic distance so that blade can assign air more kinetic energy, helps to enhance wind pressure, improves wind-force.Hub nose portion
Radius is gradually increased from front to back is designed with beneficial to directing the air between blade, reduces resistance when importing, rear end portion is in
It is cylindric to play the role of water conservancy diversion, make air more uniform when flowing backward, avoiding interacting causes wind-force to die down.
In a kind of above-mentioned screw impeller, the wheel hub includes the first segment, the second segment that set gradually from front to back
With the 3rd section, the first segment is in hemispherical, and for the second segment in pre-small post-large round table-like of radius, described 3rd section is in cylinder
Shape, the back-end radius of the first segment is equal with the front-end radius of second segment, the back-end radius of second segment and the 3rd section of radius
It is equal.
In a kind of above-mentioned screw impeller, vaned outer edge and the distance of wheel hub central axes be equal.
In a kind of above-mentioned screw impeller, the lower edge in the vane nose portion is fixed on first segment, the leaf
The leading edge of piece is located on rear side of the front end of first segment and is set along the radial direction of wheel hub.
In a kind of above-mentioned screw impeller, the blade is integrally formed with wheel hub.
In a kind of above-mentioned screw impeller, the rear end of the blade is bent to form baffle axially backward along wheel hub
Plate, the inner face of the flow-stopping plate are set along the radial direction of wheel hub.The design of flow-stopping plate can be by spiral helicine wind shift into edge
Axially backward, wind-force bigger is made.
In a kind of above-mentioned screw impeller, the rear end of the flow-stopping plate protrudes from the rear end of wheel hub backward.
In a kind of above-mentioned screw impeller, the inner hollow and open rearward end of the wheel hub, before the wheel hub
End is provided with the circular hole coaxial with wheel hub, and the wheel hub wall of circular hole rear end forms circular convex equal with circular hole of internal diameter backward
Rise, be provided with the connecting tube coaxial with wheel hub in the wheel hub, the front end of the connecting tube be plugged in circular protrusion and
It is connected with the inner wall of circular protrusion, the front end of the pipe is formed for the arc key of the shaft key connection with motor.
In a kind of above-mentioned screw impeller, the front end of the first segment is provided with several, and first segment is perforative
Heat emission hole, the heat emission hole are arranged in array on the first segment of wheel hub centered on the axis of wheel hub.
In a kind of above-mentioned screw impeller, the company of radial direction is provided at circumferentially spaced between the pipe and wheel hub wall
Fishplate bar, the heat emission hole set on the wheel hub is arranged between vane nose and circular hole and all heat emission holes are respectively positioned on adjacent two connection
In the gap of plate.The design of heat emission hole can reduce the temperature of motor, help to improve the stability and security of the present invention.On
First segment, circular protrusion, pipe and connecting plate is stated to be integrally formed.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：
The design of spiral helicine blade and the wheel hub of lengthening can increase air and be flowed between blade in this screw impeller
Dynamic distance so that blade can assign air more kinetic energy, helps to enhance wind-force.Hub nose portion from front to back half
Footpath is gradually increased to be designed with beneficial to directing the air between blade, reduces resistance when importing, and rear end portion is cylindrical can be with
Play the role of water conservancy diversion, make air more uniform when flowing backward, avoiding interacting causes wind-force to die down.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the overall structure diagram of another angle of the present invention.
Fig. 3 is the sectional view of the present invention.
In figure, 1, blade；2nd, first segment；3rd, second segment；4th, the 3rd section；5th, flow-stopping plate；6th, circular hole；7th, circular protrusion；
8th, connecting tube；9th, arc key；10th, heat emission hole；11st, connecting plate；12nd, wheel hub.
Specific embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, referring to Fig. 1-3：
This screw impeller includes wheel hub 12 and at least three pieces blade 1, blade 1 are integrally formed with wheel hub 12, and blade 1 is along wheel
The axial direction of hub 12 is fixed in the shape of a spiral on the lateral surface of wheel hub 12, and blade 1 is in the circumferential centered on the central axes of wheel hub 12
Circular array is set, and radius gradually increases the front end of wheel hub 12 from front to back, and the rear end portion of wheel hub 12 is cylindrical, blade
The front end of 1 front end and wheel hub 12 is connected, and the rear end portion and the rear end portion of wheel hub 12 of blade 1 are connected.This screw impeller
In spiral helicine blade 1 and the design of wheel hub 12 that lengthens can increase the distance that air flows between blade 1 so that leaf
Piece 1 can assign air more kinetic energy, help to enhance wind-force.Radius gradually increased is set 12 front end of wheel hub from front to back
Between beneficial to blade 1 is directed the air into, resistance when importing, the cylindrical work that can play water conservancy diversion of rear end portion are reduced
With making air more uniform when flowing backward, avoiding interacting causes wind-force to die down.
Further, wheel hub 12 includes the first segment 2 set gradually from front to back, second segment 3 and the 3rd section 4, first segment 2
In hemispherical, for second segment 3 in pre-small post-large round table-like of radius, the 3rd section 4 cylindrical, the back-end radius of first segment 2 and the
Two section 3 of front-end radius is equal, and the back-end radius of second segment 3 is equal with the 3rd section 4 of radius, the outer edge of all blades 1 with
The distance of 12 central axes of wheel hub is equal；The lower edge of 1 front end of blade is fixed on first segment 2, and the leading edge of blade 1 is located at
It is set on rear side of the front end of first segment 2 and along the radial direction of wheel hub 12.
Further, the rear end of blade 1 is bent to form flow-stopping plate 5, the inward flange of flow-stopping plate 5 axially backward along wheel hub 12
It is set along the radial direction of wheel hub 12；The design of flow-stopping plate 5 can be by spiral helicine wind shift into axially rearward, making wind-force more
Greatly.；The rear end of flow-stopping plate 5 protrudes from the rear end of wheel hub 12 backward.
Further, the inner hollow and open rearward end of wheel hub 12, the front end of wheel hub 12 are provided with coaxial with wheel hub 12
Circular hole 6,12 inner wall of wheel hub of 6 rear end of circular hole forms the internal diameter annular shape protrusion 7 equal with circular hole 6 backward, in wheel hub 12
Be provided with the connecting tube 8 coaxial with wheel hub 12, the front end of connecting tube 8 be plugged in circular protrusion 7 and with circular protrusion 7
Inner wall be connected, the front end of pipe is formed for the arc key 9 of the shaft key connection with motor；The front end of first segment 2
Several are provided with by 2 perforative heat emission hole 10 of first segment, heat emission hole 10 is arranged on centered on the axis of wheel hub 12 in array
On the first segment 2 of wheel hub 12；The connecting plate 11 of radial direction is provided at circumferentially spaced between 12 inner wall of pipe and wheel hub, is set on wheel hub 12
The heat emission hole 10 put is arranged between 1 front end of blade and circular hole 6 and all heat emission holes 10 are respectively positioned on the gap of adjacent two connecting plate 11
It is interior.The design of heat emission hole 10 can reduce the temperature of motor, help to improve the stability and security of the present invention.Above-mentioned first
Section 2, circular protrusion 7, pipe and connecting plate 11 are integrally formed.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.
Claims (10)
1. a kind of screw impeller, including wheel hub and at least three pieces blade, it is characterised in that：Blade along wheel hub axial direction helically
Shape is fixed on the lateral surface of wheel hub, and circular array is set blade centered on the central axes of the wheel hub in the circumferential, institute
Stating the front end of wheel hub, radius increases from front to back, and the rear end portion of the wheel hub is cylindrical, the front end of blade and wheel hub
Front end is connected, and the rear end portion of blade and the rear end portion of wheel hub are connected.
2. a kind of screw impeller according to claim 1, it is characterised in that：The wheel hub includes setting successively from front to back
The first segment put, second segment and the 3rd section, the first segment is in hemispherical, and the second segment is in the pre-small post-large round platform of radius
Shape, described 3rd section cylindrical, and the back-end radius of the first segment is equal with the front-end radius of second segment, the rear end of second segment
Radius is equal with the 3rd section of radius.
3. a kind of screw impeller according to claim 1, it is characterised in that：The vaned outer edge of institute and wheel hub axis
The distance of line is equal.
4. a kind of screw impeller according to claim 2, it is characterised in that：The lower edge in the vane nose portion is fixed
In on first segment, the leading edge of the blade is located on rear side of the front end of first segment and is set along the radial direction of wheel hub.
5. a kind of screw impeller according to claim 1, it is characterised in that：What the blade was integrally formed with wheel hub
Integral structure.
6. according to a kind of screw impeller described in claim 1-5 any one, it is characterised in that：The rear end edge of the blade
Wheel hub is bent to form flow-stopping plate axially backward, and the inner face of the flow-stopping plate is set along the radial direction of wheel hub.
7. a kind of screw impeller according to claim 6, it is characterised in that：The rear end of the flow-stopping plate protrudes from backward
The rear end of wheel hub.
8. according to a kind of screw impeller described in claim 1-6 any one, it is characterised in that：In the inside of the wheel hub
Empty and open rearward end, the front end of the wheel hub are provided with the circular hole coaxial with wheel hub, the wheel hub wall of circular hole rear end backward into
Type has the internal diameter annular shape protrusion equal with circular hole, and the connecting tube coaxial with wheel hub, the connecting tube are provided in the wheel hub
Front end be plugged in circular protrusion and be connected with the inner wall of circular protrusion, the front end of the pipe, which forms, to be used for
With the arc key of the shaft key connection of motor.
9. a kind of screw impeller according to claim 2, it is characterised in that：If the front end of the first segment is provided with
Dry a by the perforative heat emission hole of first segment, the heat emission hole is arranged on the first segment of wheel hub centered on the axis of wheel hub in array
On.
10. a kind of screw impeller according to claim 8, it is characterised in that：Week between the pipe and wheel hub wall
To the connecting plate for being arranged at intervals with radial direction, the heat emission hole set on the wheel hub is arranged between vane nose and circular hole and all scattered
Hot hole is respectively positioned in the gap of adjacent two connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095154.1A CN108105155B (en) | 2018-01-31 | 2018-01-31 | Spiral impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095154.1A CN108105155B (en) | 2018-01-31 | 2018-01-31 | Spiral impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108105155A true CN108105155A (en) | 2018-06-01 |
| CN108105155B CN108105155B (en) | 2024-04-05 |
Family
ID=62221438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095154.1A Active CN108105155B (en) | 2018-01-31 | 2018-01-31 | Spiral impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108105155B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374613A (en) * | 2021-06-10 | 2021-09-10 | 合肥新沪屏蔽泵有限公司 | Turbine pipeline pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030059895A (en) * | 2002-01-03 | 2003-07-12 | 엘지전자 주식회사 | Turbo-fan |
| CN1954151A (en) * | 2003-12-05 | 2007-04-25 | 阿果技术公司 | High performance inducer |
| CN101338766A (en) * | 2007-07-04 | 2009-01-07 | 富准精密工业(深圳)有限公司 | Centrifugal fan and heat sink module adopting same |
| CN201739195U (en) * | 2010-05-18 | 2011-02-09 | 江苏金通灵风机股份有限公司 | Converter gas dry process axial flow fan device |
| CN103615411A (en) * | 2013-12-05 | 2014-03-05 | 江苏飞跃机泵集团有限公司 | Flow guiding generator of medium concentration pulp pump |
| CN105626552A (en) * | 2016-02-22 | 2016-06-01 | 柴俊麟 | Spiral centrifugal fan and air treatment device |
| CN208778337U (en) * | 2018-01-31 | 2019-04-23 | 浙江元达机电有限公司 | A kind of screw impeller |
-
2018
- 2018-01-31 CN CN201810095154.1A patent/CN108105155B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030059895A (en) * | 2002-01-03 | 2003-07-12 | 엘지전자 주식회사 | Turbo-fan |
| CN1954151A (en) * | 2003-12-05 | 2007-04-25 | 阿果技术公司 | High performance inducer |
| CN101338766A (en) * | 2007-07-04 | 2009-01-07 | 富准精密工业(深圳)有限公司 | Centrifugal fan and heat sink module adopting same |
| CN201739195U (en) * | 2010-05-18 | 2011-02-09 | 江苏金通灵风机股份有限公司 | Converter gas dry process axial flow fan device |
| CN103615411A (en) * | 2013-12-05 | 2014-03-05 | 江苏飞跃机泵集团有限公司 | Flow guiding generator of medium concentration pulp pump |
| CN105626552A (en) * | 2016-02-22 | 2016-06-01 | 柴俊麟 | Spiral centrifugal fan and air treatment device |
| CN208778337U (en) * | 2018-01-31 | 2019-04-23 | 浙江元达机电有限公司 | A kind of screw impeller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374613A (en) * | 2021-06-10 | 2021-09-10 | 合肥新沪屏蔽泵有限公司 | Turbine pipeline pump |
| CN113374613B (en) * | 2021-06-10 | 2024-06-04 | 合肥新沪屏蔽泵有限公司 | Turbine pipeline pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108105155B (en) | 2024-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240313 Address after: 230000, No. 780 Mingchuan Road, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province Applicant after: Anhui Xinhu canned motor pump Co.,Ltd. Country or region after: Zhong Guo Address before: No. 185 Second Ring Road, Bianyu Village, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province, 317500 Applicant before: ZHEJIANG YUANDA ELECTROMECHANICAL CO.,LTD. Country or region before: Zhong Guo |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |