CN209976879U - Combined centrifugal impeller - Google Patents
Combined centrifugal impeller Download PDFInfo
- Publication number
- CN209976879U CN209976879U CN201920846666.7U CN201920846666U CN209976879U CN 209976879 U CN209976879 U CN 209976879U CN 201920846666 U CN201920846666 U CN 201920846666U CN 209976879 U CN209976879 U CN 209976879U
- Authority
- CN
- China
- Prior art keywords
- impeller
- blade
- blades
- shaft sleeve
- cover plate
- 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.)
- Active
Links
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 241000681094 Zingel asper Species 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
Classifications
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- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/247—Vanes elastic or self-adjusting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
Abstract
The utility model discloses a combined centrifugal impeller, which belongs to the technical field of water pumps and comprises an impeller shaft sleeve, a plurality of blades and at least one cover plate, wherein the impeller shaft sleeve is sleeved on a pump shaft, the blades are arranged at the periphery of the impeller shaft sleeve, all the blades are uniformly distributed along the periphery of the impeller shaft sleeve, and the cover plate is fixedly connected with one end of the impeller shaft sleeve and covers the blades; the impeller comprises a blade, and is characterized in that one end of the blade is provided with an insertion part, the cross section of the insertion part is triangular, the side wall of the impeller shaft sleeve is provided with a slot for the insertion part to be inserted into, one side of the cover plate, which faces the blade, is provided with a plurality of strip-shaped limiting grooves, and the other end of the blade is arranged in the limiting grooves. The utility model discloses an impeller is through inciting somebody to action the other end of blade inserts the difference the spacing groove, thereby change the angle of emergence angle of blade, and then can change blade, reduce cost alone according to the demand when adjusting centrifugal pump's lift and changing in addition.
Description
Technical Field
The utility model belongs to the technical field of the water pump, especially, relate to an impeller of water pump.
Background
The impeller pump drives the liquid to rotate at a high speed by a working impeller, and transmits mechanical energy to the liquid so as to achieve the purpose of conveying the liquid, and comprises a vortex type pump, a centrifugal type pump and the like, wherein the centrifugal pump utilizes the rotation of the impeller to enable water to generate centrifugal motion to work, before the centrifugal pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the pump shell, the lift of the centrifugal pump is related to the blade emergence angle of the impeller, the emergence angle of the impeller in the prior art is fixed, and if the impeller needs to be replaced, the whole impeller needs to be replaced, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a modular centrifugal impeller, and the blade of impeller passes through grafting portion demountable installation in the impeller axle sleeve, can change the blade alone according to the demand during change, reduce cost, and the apron of impeller has a plurality of spacing grooves, and different spacing grooves can be arranged in according to the demand to the end that stretches out of blade to can change impeller blade's exit angle, thereby can adjust the lift of centrifugal pump.
In order to solve the technical problem, the utility model discloses a technical scheme of adoption as follows:
a combined centrifugal impeller comprises an impeller shaft sleeve, a plurality of blades and at least one cover plate, wherein the impeller shaft sleeve is sleeved on a pump shaft, the blades are arranged on the periphery of the impeller shaft sleeve, all the blades are uniformly distributed along the periphery of the impeller shaft sleeve, and the cover plate is fixedly connected to one end of the impeller shaft sleeve and covers the blades;
the impeller comprises a blade, a cover plate and an impeller shaft sleeve, wherein one end of the blade is provided with an inserting part, the cross section of the inserting part is triangular, the side wall of the impeller shaft sleeve is provided with a slot for the inserting part to insert into, one side of the cover plate, facing the blade, is provided with a plurality of strip-shaped limiting grooves, the other end of the blade is arranged in the limiting grooves, and the other end of the blade is inserted into different limiting grooves, so that the angle of the emergence angle of the blade is changed.
Further, the number of the limiting grooves is 2 times or 3 times of the number of the blades.
Furthermore, the number of the cover plates is 2, and the 2 cover plates are respectively and fixedly connected to two ends of the impeller shaft sleeve.
Further, the number of the blades is 12, and the number of the limiting grooves in each cover plate is 24.
Further, the cover plate is fixedly mounted on the impeller shaft sleeve through screws.
Further, the blade is an aluminum blade or a stainless steel blade.
Further, the section of the inserting part is an isosceles triangle, and the angle of the vertex angle of the isosceles triangle is 15-30 degrees.
Furthermore, the cover plate is provided with a boss facing one side of the blade, the boss is positioned at the edge of the cover plate and arranged along the whole circle of the cover plate, and the limit groove is arranged on the boss.
Further, the boss and the cover plate are of an integrated structure or a split mounting structure.
The utility model has the advantages that:
the impeller of the utility model has the blades which are detachably arranged on the impeller shaft sleeve through the inserting part, and the blades can be replaced independently according to the requirement during replacement, thereby reducing the cost;
the utility model discloses a blade, the cross-section of its grafting portion is isosceles triangle, the angle of isosceles triangle's apex angle is 15-30, and triangle-shaped's structure makes blade under the effect of centrifugal force with the impeller axle sleeve can the block more and more tight, improves the combination precision of impeller, improves the life of impeller.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of the impeller of the present invention;
fig. 2 is an exploded schematic view of the impeller of the present invention;
FIG. 3 is a view of section A of FIG. 2;
FIG. 4 is a view of section B of FIG. 2;
FIG. 5 is a schematic view of the blade installation of the present invention;
fig. 6 is a schematic view of the blade installation of the present invention (adjusted exit angle installation);
the parts in the drawings are marked as follows:
impeller axle sleeve 1, slot 11, blade 2, grafting portion 21, apron 3, spacing groove 31 and boss 32.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a combined centrifugal impeller as shown in figures 1 to 6: the impeller pump comprises an impeller shaft sleeve 1, a plurality of blades 2 and at least one cover plate 3, wherein the impeller shaft sleeve is sleeved on a pump shaft, the blades are arranged on the periphery of the impeller shaft sleeve, all the blades are uniformly distributed along the periphery of the impeller shaft sleeve, and the cover plate is fixedly connected to one end of the impeller shaft sleeve and covers the blades;
one end of each blade is provided with an insertion part 21, the section of each insertion part is triangular, the side wall of the impeller shaft sleeve is provided with a slot 11 for the insertion part to be inserted into, one side of the cover plate, facing the blades, is provided with a plurality of strip-shaped limiting grooves 31, and the other end of each blade is arranged in the limiting groove;
as shown in fig. 5 and 6: the other end of the blade is inserted into different limiting grooves, so that the angle of the emergence angle of the blade is changed.
The number of the limiting grooves is 2 times or 3 times of the number of the blades.
In this embodiment, the number of the cover plates is 2, and the 2 cover plates are respectively and fixedly connected to two ends of the impeller shaft sleeve.
In the embodiment, as an optimal scheme, in specific implementation, 12 blades are provided, and 24 limiting grooves are provided in each cover plate.
The cover plate is fixedly arranged on the impeller shaft sleeve through screws.
The blade is an aluminum blade or a stainless steel blade.
The section of the insertion part is an isosceles triangle, and the angle of the vertex angle of the isosceles triangle is 15-30 degrees.
The apron orientation one side of blade is equipped with boss 32, the boss is located the edge of apron just sets up along the whole circle of apron, the spacing groove is located in the boss.
The boss and the cover plate are of an integrated structure or a split mounting structure.
In this embodiment, the boss and the cover plate are integrated.
The utility model discloses a working process and theory of operation as follows:
the blades of the impeller are detachably mounted on the impeller shaft sleeve through the inserting part, the blades can be replaced independently according to requirements during replacement, the cost is reduced, the cover plate of the impeller is provided with a plurality of limiting grooves, and the extending ends of the blades can be arranged in different limiting grooves according to requirements, so that the emergent angle of the blades of the impeller can be changed, and the lift of the centrifugal pump can be adjusted;
the section of the insertion part of the blade is an isosceles triangle, the angle of the vertex angle of the isosceles triangle is 15-30 degrees, the blade can be clamped with the impeller shaft sleeve more and more tightly under the action of centrifugal force due to the triangular structure, the combination precision of the impeller is improved, and the service life of the impeller is prolonged.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (9)
1. A modular centrifugal impeller characterized in that: the impeller pump comprises an impeller shaft sleeve (1), a plurality of blades (2) and at least one cover plate (3), wherein the impeller shaft sleeve is sleeved on a pump shaft, the blades are arranged on the periphery of the impeller shaft sleeve, all the blades are uniformly distributed along the periphery of the impeller shaft sleeve, and the cover plate is fixedly connected to one end of the impeller shaft sleeve and covers the blades;
one end of each blade is provided with an insertion part (21), the cross section of each insertion part is triangular, the side wall of the impeller shaft sleeve is provided with a slot (11) for the insertion part to insert, one side of the cover plate, facing the blades, is provided with a plurality of strip-shaped limiting grooves (31), the other ends of the blades are arranged in the limiting grooves, and the other ends of the blades are inserted into different limiting grooves, so that the angles of the emergence angles of the blades are changed.
2. The combined centrifugal impeller of claim 1, wherein: the number of the limiting grooves is 2 times or 3 times of the number of the blades.
3. The combined centrifugal impeller of claim 1, wherein: the number of the cover plates is 2, and the 2 cover plates are respectively and fixedly connected to two ends of the impeller shaft sleeve.
4. The combined centrifugal impeller of claim 2, wherein: the blade is equipped with 12, every the spacing groove on the apron is equipped with 24.
5. Combined centrifugal impeller according to claim 1 or 3, characterized in that: the cover plate is fixedly arranged on the impeller shaft sleeve through screws.
6. The combined centrifugal impeller of claim 1, wherein: the blade is an aluminum blade or a stainless steel blade.
7. The combined centrifugal impeller of claim 1, wherein: the section of the insertion part is an isosceles triangle, and the angle of the vertex angle of the isosceles triangle is 15-30 degrees.
8. The combined centrifugal impeller of claim 1, wherein: the apron orientation one side of blade is equipped with the boss, the boss is located the edge of apron just sets up along the whole circle of apron, the spacing groove is located the boss.
9. The combined centrifugal impeller of claim 8, wherein: the boss and the cover plate are of an integrated structure or a split mounting structure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846666.7U CN209976879U (en) | 2019-06-06 | 2019-06-06 | Combined centrifugal impeller |
| PCT/CN2019/095587 WO2020244024A1 (en) | 2019-06-06 | 2019-07-11 | Combined eccentric impeller |
| DE202019105788.2U DE202019105788U1 (en) | 2019-06-06 | 2019-07-11 | Combined centrifugal impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846666.7U CN209976879U (en) | 2019-06-06 | 2019-06-06 | Combined centrifugal impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976879U true CN209976879U (en) | 2020-01-21 |
Family
ID=68886607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920846666.7U Active CN209976879U (en) | 2019-06-06 | 2019-06-06 | Combined centrifugal impeller |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN209976879U (en) |
| DE (1) | DE202019105788U1 (en) |
| WO (1) | WO2020244024A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090577A (en) * | 2021-04-06 | 2021-07-09 | 江苏大学 | Centrifugal pump impeller with adjustable blade outlet angle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727801A (en) * | 2020-12-25 | 2021-04-30 | 福安市建达流体科技有限公司 | High-strength water pump impeller convenient to replace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101252513B1 (en) * | 2010-12-21 | 2013-04-10 | 자동차부품연구원 | A water pump of temperature response |
| CN203248397U (en) * | 2013-04-09 | 2013-10-23 | 长沙山水节能研究院有限公司 | Centrifugal water pump with vanes capable of being adjusted online |
| CN104006001B (en) * | 2014-05-29 | 2016-04-27 | 安徽银龙泵阀股份有限公司 | A kind of pump core with heating wire |
| CN204082645U (en) * | 2014-09-15 | 2015-01-07 | 温岭市新动力机械有限公司 | Half-opened impeller |
-
2019
- 2019-06-06 CN CN201920846666.7U patent/CN209976879U/en active Active
- 2019-07-11 DE DE202019105788.2U patent/DE202019105788U1/en active Active
- 2019-07-11 WO PCT/CN2019/095587 patent/WO2020244024A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090577A (en) * | 2021-04-06 | 2021-07-09 | 江苏大学 | Centrifugal pump impeller with adjustable blade outlet angle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020244024A1 (en) | 2020-12-10 |
| DE202019105788U1 (en) | 2019-11-21 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |