CN204851763U - Centrifugal pump and impeller thereof - Google Patents
Centrifugal pump and impeller thereof Download PDFInfo
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- CN204851763U CN204851763U CN201520479200.XU CN201520479200U CN204851763U CN 204851763 U CN204851763 U CN 204851763U CN 201520479200 U CN201520479200 U CN 201520479200U CN 204851763 U CN204851763 U CN 204851763U
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- arc section
- radius
- impeller
- circular arc
- molded line
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Abstract
The utility model discloses an impeller, including the rim plate, the fixed at least three blade of circular array in the rim plate quotation, the three circular arc section that connects gradually the first meridian runner molded lines of component is according to being first circular arc section, second circular arc section and third circular arc section respectively by the central order to the edge of rim plate, and first circular arc section radius is 1.5 to 1.9 with the radial range of value that compares of second circular arc section, second circular arc section radius is 2 to 2.3 with the radial range of value that compares of third circular arc section, the three circular arc section that connects gradually component second meridian runner molded lines is according to being fourth circular arc section, the 5th circular arc section and the 6th circular arc section respectively by the extremely marginal order in rim plate center, and the radial range of value that compares of fourth circular arc section radius and the 5th circular arc section is 0.5 to 1, the radial range of value that compares of the 5th circular arc section radius and the 6th circular arc section is 1.5 to 2. Above -mentioned impeller has improved the liquid flow condition. The utility model also discloses a centrifugal pump of including above -mentioned impeller.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of impeller.In addition, the utility model also relates to a kind of centrifugal pump comprising above-mentioned impeller.
Background technique
Centrifugal pump makes internal water carry out centrifugal motion by vane rotary and carries out work.Chief component has impeller, the pump housing and pump shaft etc.Along with China is in the industries such as metallurgy, electric power, sewage treatment, the industrial structure is to energy-conserving and environment-protective future development, and its industry equipment is also gradually to energy-conserving and environment-protective future development.Therefore, the new demand towards the future development such as high efficiency, high pressure ratio, small flow, long service life, for ease of maintenaince installation is proposed to centrifugal pump.
Impeller, as the topmost core component of centrifugal pump, has the features such as rotating speed is high, delivery pressure is large.The impeller blade adopted in traditional high-lift small flow high speed centrifugal pump is generally prismatic blade, but adopts prismatic blade that overall efficiency can be made to reduce, and improves complete machine energy consumption.
Therefore, how overcoming the defect of traditional high-lift small flow centrifugal pump high energy consumption, is the current technical issues that need to address of those skilled in the art.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of impeller, and this impeller improves flow of fluid situation, makes the flowing of liquid more smooth and easy.Another object of the present utility model is to provide a kind of centrifugal pump comprising above-mentioned impeller.
For achieving the above object, the utility model provides following technological scheme:
A kind of impeller, comprises wheel disc, fixing at least three blades of circular array in described wheel disc card, and the sideline of the meridional channel of described blade is the first meridional channel molded line and the second meridional channel molded line;
Three arc sections connecting to form described first meridional channel molded line are successively respectively the first arc section, the second arc section and three-arc section according to by described order of taking turns disk center to edge, and the ratio range of the radius of described first arc section radius and described second arc section is 1.5 to 1.9; The ratio range of the radius of described second arc section radius and described three-arc section is 2 to 2.3;
Three arc sections connecting to form described second meridional channel molded line are successively respectively the 4th arc section, the 5th arc section and the 6th arc section according to by described order of taking turns disk center to edge, and the ratio range of the radius of described 4th arc section radius and described 5th arc section is 0.5 to 1; The ratio range of the radius of described 5th arc section radius and described 6th arc section is 1.5 to 2.
Preferably, the root molded line of described blade is connected to form successively by the first circular arc that six radiuses are different; The top molded line of described blade is connected to form successively by the second circular arc that six radiuses are different.
Preferably, the radius ratio of described first arc section, described second arc section and described three-arc section is 104.35:60.82:28.22;
The radius scale of described 4th arc section, described 5th arc section and described 6th arc section is 44.48:53.07:29.61.
Preferably, be 26.7:36.15:45.78:54.16:59.96:60.85 according to the order of taking turns disk center to edge by described, the radii ratio of six described first circular arcs that forms described root molded line; Be 48.46:51.97:57.59:65.43:75.56:84.35 according to the order of taking turns disk center to edge by described, the radii ratio that forms six described circular arcs of described top molded line.
Preferably, the radius of described first arc section is 104.35mm, and the radius of described second arc section is 60.82mm, and the radius of described three-arc section is 28.22mm;
The radius of described 4th arc section is 44.48mm, the radius of described 5th arc section is 53.07mm, and the radius of described 6th arc section is 29.61mm.
Preferably, 26.7mm, 36.15mm, 45.78mm, 54.16mm, 59.96mm, 60.85mm is followed successively by according to the order of taking turns disk center to edge by described, the radius of six described first circular arcs that forms described root molded line;
48.46mm, 51.97mm, 57.59mm, 65.43mm, 75.56mm, 84.35mm is followed successively by according to the order of taking turns disk center to edge by described, the radius of six described second circular arcs that forms described top molded line.
Preferably, the number of described blade is five, evenly arranges between each described blade.
A kind of centrifugal pump, the stator comprising impeller and be connected with the outlet of described impeller, described impeller is the impeller as described in above-mentioned any one.
Preferably, described centrifugal pump is high speed pump.
The impeller that the utility model provides comprises wheel disc and is fixed on the blade in wheel disc card, first meridional channel molded line of blade and the second meridional channel molded line are made up of the arc section that three radiuses are different respectively, form in three arc sections of the first meridional channel molded line, the ratio range of the radius of the first arc section radius and the second arc section is 1.5 to 1.9; The ratio range of the radius of the second arc section radius and three-arc section is 2 to 2.3; Form in the second meridional channel molded line, the ratio range of the radius of the 4th arc section radius and the 5th arc section is 0.5 to 1; The ratio range of the radius of the 5th arc section radius and the 6th arc section is 1.5 to 2.
The radius scale relation of above-mentioned arc section is obtained by three-dimensional flow theory design, meet the full three-dimensional flow theory requirement of blade, the vane type line of impeller more meets the Real Flow Field rule of liquid in impeller, is conducive to improving flow of fluid situation, makes the flowing of liquid more smooth and easy.
The centrifugal pump that the utility model provides, because adopting above-mentioned impeller, can make the flowing in centrifugal pump more smooth and easy, produces noise low, thus improves overall efficiency, higher than the efficiency of general prismatic blade centrifugal pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 provides by the utility model the front view of impeller;
Fig. 2 provides by the utility model the longitudinal sectional view of impeller.
In figure, 1 is blade, and 2 is wheel disc, and 3 is the first meridional channel molded line, and 4 is the second meridional channel molded line, and 5 is root molded line, and 6 is top molded line.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Core of the present utility model is to provide a kind of impeller, and this impeller improves flow of fluid situation, makes the flowing of liquid more smooth and easy.Another core of the present utility model is to provide a kind of centrifugal pump comprising above-mentioned impeller.
Please refer to Fig. 1 and Fig. 2, Fig. 1 provides by the utility model the front view of impeller; Fig. 2 provides by the utility model the longitudinal sectional view of impeller.
A kind of impeller provided by the utility model, comprises wheel disc 2, and in wheel disc 2 card, fixing at least three blades 1 of circular array, in the present embodiment wheel disc 2 card are provided with altogether five blades, 1, five blades 1 and all arrange according to circular array.
The molded line of above-mentioned blade 1 adopts full three-dimensional flow theory to design, the meridional channel sideline of blade 1 is the first meridional channel molded line 3 and the second meridional channel molded line 4, first meridional channel molded line 3 and the second meridional channel molded line 4 are connected to form successively by three arc sections respectively, and the first meridional channel molded line 3 and the second meridional channel molded line 4 are all arrange along the radial direction of wheel disc 2.
Particularly, three arc sections connecting to form the first meridional channel molded line 3 are successively respectively the first arc section, the second arc section and three-arc section, and are tactic according to by wheel disc 2 center to edge.Radius about each arc section is arranged, and the ratio range of the radius of the first arc section radius and the second arc section is 1.5 to 1.9; The ratio range of the radius of the second arc section radius and three-arc section is 2 to 2.3.
Three arc sections connecting to form the second meridional channel molded line 4 are successively respectively the 4th arc section, the 5th arc section and the 6th arc section, arrange according to the order by wheel disc 2 center to edge.Radius about each arc section is arranged, and the ratio range of the radius of the 4th arc section radius and the 5th arc section is 0.5 to 1; The ratio range of the radius of the 5th arc section radius and the 6th arc section is 1.5 to 2.
The radius scale relation of each arc section is specifically set in the present embodiment, above-mentioned radius scale relation is obtained by three-dimensional flow theory design, meet the full three-dimensional flow theory requirement of blade, the vane type line of impeller more meets the Real Flow Field rule of liquid in impeller, be conducive to improving flow of fluid situation, make the flowing of liquid more smooth and easy.
In a preferred implementation provided by the utility model, the root molded line 5 of blade 1 is connected to form successively by the first circular arc that six radiuses are different; The top molded line 6 of blade 1 is connected to form successively by the second circular arc that six radiuses are different.
Equally, root molded line 5 and top molded line 6 are also obtained by three-dimensional flow theory design, and the flow of fluid flowing through blade can be made more smooth and easy.
Only the restriction of scope is carried out to the ratio of each arc section of the first meridional channel molded line 3 and the second meridional channel molded line 4 in above-described embodiment, by modeling and analysis, obtained optimum radius scale relation.
In a preferred implementation of the present utility model, finer restriction is carried out to the ratio of each arc section of the first meridional channel molded line 3 and the second meridional channel molded line 4.
The radius ratio of the first arc section, the second arc section and three-arc section is 104.35:60.82:28.22; The radius scale of the 4th arc section, the 5th arc section and the 6th arc section is 44.48:53.07:29.61.
Equally, in another preferred embodiment, according to by the order at wheel disc 2 center to edge, the radii ratio of six the first circular arcs that forms root molded line 5 be: 26.7:36.15:45.78:54.16:59.96:60.85; According to being 48.46:51.97:57.59:65.43:75.56:84.35 by the order at wheel disc 2 center to edge, the radii ratio that forms six the second circular arcs of top molded line 6.
Preferably, the radius of the first arc section is 104.35mm, and the radius of the second arc section is 60.82mm, and the radius of three-arc section is 28.22mm; The radius of the 4th arc section is 44.48mm, the radius of the 5th arc section is 53.07mm, and the radius of the 6th arc section is 29.61mm.
We can know, above-mentioned each arc section can be not only above-mentioned size, can carry out the expansion of geometric ratio according to different service condition to above-mentioned radius or reduce, can ensure the highly effective of impeller.
Preferably, 26.7mm, 36.15mm, 45.78mm, 54.16mm, 59.96mm, 60.85mm is followed successively by according to by the order at wheel disc 2 center to edge, the radius of six the first circular arcs that forms root molded line 5; 48.46mm, 51.97mm, 57.59mm, 65.43mm, 75.56mm, 84.35mm is followed successively by according to by the order at wheel disc 2 center to edge, the radius of six the second circular arcs that forms top molded line 6.
With the first arc section in like manner, above-mentioned each arc section can be not only above-mentioned size, can carry out the expansion of geometric ratio according to different service condition to above-mentioned radius or reduce, can ensure the highly effective of impeller.
Alternatively, the number of wheel disc 2 upper blade 1 is five in the above-described embodiments, and arc round angle between each blade 1 is equal.Equally, the number of blade 1 also can adjust according to service condition.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Except the impeller that above-described embodiment is introduced, the utility model also provides a kind of centrifugal pump comprising impeller disclosed in above-described embodiment, centrifugal pump is because adopting above-mentioned impeller, the flowing in centrifugal pump can be made more smooth and easy, generation noise is low, thus improve overall efficiency, higher than the efficiency of general prismatic blade centrifugal pump.The structure of other each several parts of this centrifugal pump please refer to prior art, repeats no more herein.Particularly, this centrifugal pump also can be high speed pump.
Above a kind of centrifugal pump provided by the utility model and impeller thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (9)
1. an impeller, it is characterized in that, comprise wheel disc (2), fixing at least three blades (1) of circular array in described wheel disc (2) card, the meridional channel of described blade (1) is made up of the first meridional channel molded line (3) and the second meridional channel molded line (4);
Described first meridional channel molded line (3) is connected to form successively by three arc sections, be respectively the first arc section, the second arc section and three-arc section according to the order by described wheel disc (2) center to edge, the ratio range of the radius of described first arc section and the radius of described second arc section is 1.5 to 1.9; The ratio range of the radius of described second arc section and the radius of described three-arc section is 2 to 2.3;
Described second meridional channel molded line (4) is connected to form successively by three arc sections, be respectively the 4th arc section, the 5th arc section and the 6th arc section according to the order by described wheel disc (2) center to edge, the ratio range of the radius of described 4th arc section and the radius of described 5th arc section is 0.5 to 1; The ratio range of the radius of described 5th arc section and the radius of described 6th arc section is 1.5 to 2.
2. impeller according to claim 1, is characterized in that, the root molded line (5) of described blade (1) is connected to form successively by the first circular arc that six radiuses are different; The top molded line (6) of described blade (1) is connected to form successively by the second circular arc that six radiuses are different.
3. impeller according to claim 2, is characterized in that,
The radius ratio of described first arc section, described second arc section and described three-arc section is 104.35:60.82:28.22;
The radius scale of described 4th arc section, described 5th arc section and described 6th arc section is 44.48:53.07:29.61.
4. impeller according to claim 3, it is characterized in that, according to being 26.7:36.15:45.78:54.16:59.96:60.85 by the order at described wheel disc (2) center to edge, the radii ratio of six described first circular arcs that forms described root molded line (5); According to being 48.46:51.97:57.59:65.43:75.56:84.35 by the order at described wheel disc (2) center to edge, the radii ratio of six described second circular arcs that forms described top molded line (6).
5. the impeller according to claim 3 or 4 any one, is characterized in that, the radius of described first arc section is 104.35mm, and the radius of described second arc section is 60.82mm, and the radius of described three-arc section is 28.22mm;
The radius of described 4th arc section is 44.48mm, the radius of described 5th arc section is 53.07mm, and the radius of described 6th arc section is 29.61mm.
6. impeller according to claim 5, is characterized in that,
26.7mm, 36.15mm, 45.78mm, 54.16mm, 59.96mm, 60.85mm is followed successively by according to by the order at described wheel disc (2) center to edge, the radius of six described first circular arcs that forms described root molded line (5);
48.46mm, 51.97mm, 57.59mm, 65.43mm, 75.56mm, 84.35mm is followed successively by according to by the order at described wheel disc (2) center to edge, the radius of six described second circular arcs that forms described top molded line (6).
7. impeller according to claim 6, is characterized in that, the number of described blade (1) is five, evenly arranges between each described blade (1).
8. a centrifugal pump, the stator comprising impeller and be connected with the outlet of described impeller, is characterized in that, described impeller is the impeller described in claim 1 to 7 any one.
9. centrifugal pump according to claim 8, is characterized in that, described centrifugal pump is high speed pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479200.XU CN204851763U (en) | 2015-07-03 | 2015-07-03 | Centrifugal pump and impeller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479200.XU CN204851763U (en) | 2015-07-03 | 2015-07-03 | Centrifugal pump and impeller thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204851763U true CN204851763U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520479200.XU Expired - Fee Related CN204851763U (en) | 2015-07-03 | 2015-07-03 | Centrifugal pump and impeller thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170449U1 (en) * | 2016-10-11 | 2017-04-25 | Общество с ограниченной ответственностью "ИнжиТех" | SLAVE PUMP WHEEL |
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2015
- 2015-07-03 CN CN201520479200.XU patent/CN204851763U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170449U1 (en) * | 2016-10-11 | 2017-04-25 | Общество с ограниченной ответственностью "ИнжиТех" | SLAVE PUMP WHEEL |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210430 Address after: No. 409, group 9, pengying, heizhang village, Zhanglin Township, Zhenping county, Nanyang City, Henan Province Patentee after: Liu Hongliang Address before: 474250 xiwuligang, Zhenping county, Nanyang City, Henan Province Patentee before: NANYANG XINWEI ELECTROMECHANICAL Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220110 Address after: 450000 Room 308, building 2, Xinghua building, Jingkai Second Street, Zhengzhou area (Jingkai), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Zhengzhou Chenwei Fluid Technology Co.,Ltd. Address before: No. 409, group 9, pengying, heizhang village, Zhanglin Township, Zhenping county, Nanyang City, Henan Province Patentee before: Liu Hongliang |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |