CN214617188U - Mixed flow pump shell and impeller blade clearance adjusting structure - Google Patents
Mixed flow pump shell and impeller blade clearance adjusting structure Download PDFInfo
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- CN214617188U CN214617188U CN202022367295.XU CN202022367295U CN214617188U CN 214617188 U CN214617188 U CN 214617188U CN 202022367295 U CN202022367295 U CN 202022367295U CN 214617188 U CN214617188 U CN 214617188U
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- blade
- impeller
- sliding
- impeller body
- adjusting
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Abstract
The utility model discloses a mixed flow pump casing and impeller blade clearance adjustment structure, include: casing and impeller, the impeller is fixed at the lower extreme of pump shaft, the structure of impeller includes: the impeller comprises an impeller body, wherein a plurality of blade sliding holes are uniformly formed in the periphery of the impeller body, blades matched with the blade sliding holes are arranged in the blade sliding holes in a sliding mode, an O-shaped sealing ring is arranged between each blade and the impeller body, a plurality of blade adjusting sliding sleeves corresponding to the blade sliding holes one to one are uniformly and fixedly arranged on the inner wall of the impeller body, each blade is arranged in the corresponding blade adjusting sliding sleeve in a penetrating mode in a sliding mode, bolt sliding grooves are symmetrically formed in two sides of each blade adjusting sliding sleeve and are arranged in parallel with the corresponding blade sliding holes, one end, close to the impeller body, of each bolt sliding groove is sealed, and the other end, far away from the impeller body, of each bolt sliding groove penetrates through the corresponding blade adjusting sliding sleeve.
Description
Technical Field
The utility model relates to a water pump especially relates to a mixed flow pump casing and impeller blade clearance adjustment structure.
Background
The mixed flow pump is one kind of water pump, and the clearance between the casing and the impeller blade determines the pumping efficiency of the pump body to a certain extent. The gaps between the existing mixed flow pump shell and impeller blades are fixed and cannot be adjusted, and the shells with different pipe diameters are required to be assembled with different impeller blades, so that the limitation is large and the application range is small.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a mixed flow pump shell and impeller blade clearance adjusting structure with wide application range.
In order to solve the technical problem, the utility model discloses a technical scheme is: mixed flow pump shell and impeller blade clearance adjustment structure includes: casing and impeller, the impeller is fixed at the lower extreme of pump shaft, the structure of impeller includes: the impeller comprises an impeller body, a plurality of blade sliding holes are uniformly formed in the periphery of the impeller body, blades matched with the blade sliding holes are arranged in the blade sliding holes in a sliding mode, O-shaped sealing rings are arranged between the blades and the impeller body, a plurality of blade adjusting sliding sleeves corresponding to the blade sliding holes one to one are uniformly and fixedly arranged on the inner wall of the impeller body, the blades are arranged in the blade adjusting sliding sleeves in a sliding mode, bolt sliding grooves are symmetrically formed in two sides of each blade adjusting sliding sleeve and are arranged in parallel with the blade sliding holes, one ends, close to the impeller body, of the bolt sliding grooves are sealed, the other ends, far away from the impeller body, of the bolt sliding grooves penetrate through the other ends, adjusting bolts matched with the bolt sliding grooves are symmetrically arranged on two sides of each blade, adjusting nuts are connected with the adjusting bolts to fix the blades and the blade adjusting sliding sleeves together, and a guide cone is arranged at the lower end of the impeller body through fastening screws, and a sealing gasket is arranged between the impeller body and the guide cone.
The utility model has the advantages that: above-mentioned mixed flow pump shell and impeller blade clearance adjustment structure, novel structure when the installation can adjust the clearance between casing and the impeller blade through the clearance gauge measurement, adjusts to suitable within range, is convenient for improve the efficiency of drawing water of the pump body, and simultaneously, impeller blade can assemble to the casing of different pipe diameters, and application scope is wide, satisfies the pluralism demand.
Drawings
Fig. 1 is a schematic structural view of a gap adjusting structure between a mixed flow pump casing and an impeller blade of the present invention.
Fig. 2 is a partial sectional structural view of a-a in fig. 1.
In the figure: 1. the impeller comprises a shell, 2, an impeller, 3, a pump shaft, 4, an impeller body, 5, a blade sliding hole, 6, a blade, 7, an O-shaped sealing ring, 8, a blade adjusting sliding sleeve, 9, a bolt sliding groove, 10, an adjusting bolt, 11, an adjusting nut, 12, a fastening screw, 13 and a flow guide cone.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the mixed flow pump housing and impeller vane gap adjusting structure includes: the pump comprises a shell 1 and an impeller 2, wherein the impeller 2 is fixed at the lower end of a pump shaft 3, and the impeller 2 structurally comprises: the impeller comprises an impeller body 4, a plurality of blade sliding holes 5 are uniformly arranged around the impeller body 4, a plurality of blades 6 matched with the blade sliding holes 5 are arranged in the blade sliding holes 5 in a sliding manner, an O-shaped sealing ring 7 is arranged between the blades 6 and the impeller body 4, a plurality of blade adjusting sliding sleeves 8 corresponding to the blade sliding holes 5 one to one are uniformly and fixedly arranged on the inner wall of the impeller body 4, the blades 6 are arranged in the blade adjusting sliding sleeves 8 in a sliding manner, bolt sliding grooves 9 are symmetrically arranged on two sides of each blade adjusting sliding sleeve 8, the bolt sliding grooves 9 are arranged in parallel with the blade sliding holes 5, one end, close to the impeller body 4, of each bolt sliding groove 9 is sealed, the other end, far away from the impeller body 4, of each bolt sliding groove 9 penetrates through the other end, adjusting bolts 10 matched with the bolt sliding grooves 9 are symmetrically arranged on two sides of the blades 6, and adjusting nuts 11 are connected with the adjusting bolts 10 to fix the blades 6 and the blade adjusting sliding sleeves 8 together, a guide cone 13 is arranged at the lower end of the impeller body 4 through a fastening screw 12, and a sealing gasket is arranged between the impeller body 4 and the guide cone 13.
During adjustment, the fastening screw 12 is loosened to take the guide cone 13 down, the adjusting nuts 11 on two sides of the blade 6 are loosened, the blade 6 can freely slide in the blade sliding hole 5 and the blade adjusting sliding sleeve 8, the feeler gauge is sent between the shell 1 and the blade 6, after the clearance is adjusted to be required, the adjusting nuts 11 are pre-pressed and screwed, after the feeler gauge is taken out, the adjusting nuts 11 are continuously screwed to fix the blade 6 and the blade adjusting sliding sleeve 8 together, and the blades 6 are sequentially adjusted according to the steps.
Above-mentioned mixed flow pump shell and impeller blade clearance adjustment structure, novel structure when the installation can adjust the clearance between casing and the impeller blade through the clearance gauge measurement, adjusts to suitable within range, is convenient for improve the efficiency of drawing water of the pump body, and simultaneously, impeller blade can assemble to the casing of different pipe diameters, and application scope is wide, satisfies the pluralism demand.
Claims (1)
1. Mixed flow pump shell and impeller blade clearance adjustment structure includes: casing (1) and impeller (2), impeller (2) are fixed at the lower extreme of pump shaft (3), its characterized in that: the structure of the impeller (2) comprises: the impeller comprises an impeller body (4), a plurality of blade sliding holes (5) are uniformly formed in the periphery of the impeller body (4), blades (6) matched with the blade sliding holes are arranged in the blade sliding holes (5) in a sliding mode, an O-shaped sealing ring (7) is arranged between each blade (6) and the impeller body (4), a plurality of blade adjusting sliding sleeves (8) corresponding to the blade sliding holes (5) one by one are uniformly and fixedly arranged on the inner wall of the impeller body (4), the blades (6) are slidably arranged in the blade adjusting sliding sleeves (8) in a penetrating mode, bolt sliding grooves (9) are symmetrically formed in two sides of each blade adjusting sliding sleeve (8), the bolt sliding grooves (9) are arranged in parallel to the blade sliding holes (5), one end, close to the impeller body (4), of each bolt sliding groove (9) is sealed, and the other end, far away from the impeller body (4), of each bolt sliding groove (9) penetrates through the corresponding blade sliding hole, adjusting bolts (10) matched with the bolt sliding grooves (9) are symmetrically arranged on two sides of the blade (6), adjusting nuts (11) are connected with the adjusting bolts (10) to fix the blade (6) and the blade adjusting sliding sleeve (8) together, a guide cone (13) is arranged at the lower end of the impeller body (4) through fastening screws (12), and a sealing gasket is arranged between the impeller body (4) and the guide cone (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367295.XU CN214617188U (en) | 2020-10-22 | 2020-10-22 | Mixed flow pump shell and impeller blade clearance adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367295.XU CN214617188U (en) | 2020-10-22 | 2020-10-22 | Mixed flow pump shell and impeller blade clearance adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617188U true CN214617188U (en) | 2021-11-05 |
Family
ID=78375570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022367295.XU Active CN214617188U (en) | 2020-10-22 | 2020-10-22 | Mixed flow pump shell and impeller blade clearance adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617188U (en) |
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2020
- 2020-10-22 CN CN202022367295.XU patent/CN214617188U/en active Active
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