CN221033267U - Impeller for wear-resistant and corrosion-resistant centrifugal pump - Google Patents
Impeller for wear-resistant and corrosion-resistant centrifugal pump Download PDFInfo
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- CN221033267U CN221033267U CN202322744443.9U CN202322744443U CN221033267U CN 221033267 U CN221033267 U CN 221033267U CN 202322744443 U CN202322744443 U CN 202322744443U CN 221033267 U CN221033267 U CN 221033267U
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- impeller
- resistant
- hole
- centrifugal pump
- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 15
- 230000007797 corrosion Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an impeller for a wear-resistant and corrosion-resistant centrifugal pump, which comprises an impeller telescopic mechanism, wherein the impeller telescopic mechanism comprises a base, a groove is formed in the base, a plurality of rubber sealing rings are connected in the groove in a sliding manner, the number of the rubber sealing rings is six, the rubber sealing rings are uniformly distributed in the groove, the outer side of an impeller body is in sliding connection with the base, the thickness of the extending impeller body can be changed by arranging the impeller telescopic mechanism, an arch block is pushed to move in a first through hole through gas, so that the gas enters the groove through a third through hole, the groove can be filled with gas, the rubber sealing rings are pushed to move through gas, the extending length of the impeller body is changed, and the arch block is driven to move in the first through hole through the restoring force of a first spring, so that the arch block can keep a fitting state with the first through hole all the time under the action of external force.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to an impeller for a wear-resistant and corrosion-resistant centrifugal pump.
Background
The centrifugal pump is widely applied in chemical industry production, and is a pump valve for liquid by the centrifugal force generated by the rotation of an impeller, so that the impeller is a core component of the centrifugal pump, the quality of the impeller determines the service performance and the service life of the centrifugal pump, the slurry conveyed by the centrifugal pump in the chemical industry production environment has strong abrasiveness and corrosiveness, and the impeller is a part which is worn by the slurry and most concentrated in overlook.
The width of the impeller blade of the existing centrifugal pump is fixed, the flow rate of the centrifugal pump is changed by adjusting the opening degree of a water outlet valve and the rotating speed of the impeller, but the reduction of the opening degree of the water outlet valve can lead to the increase of water flow resistance, the mechanical loss in a waterway is increased, the efficiency of the centrifugal pump is reduced, and the abrasion of the impeller is increased, so that the impeller for the abrasion-resistant and corrosion-resistant centrifugal pump is provided, and the problem in the prior art is solved.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: the reduction of the opening of the water outlet valve can lead to the increase of water flow resistance, increase the mechanical loss in the waterway, reduce the efficiency of the centrifugal pump and increase the abrasion of the impeller.
The aim of the utility model can be achieved by the following technical scheme:
The impeller for the wear-resistant corrosion-resistant centrifugal pump comprises an impeller telescopic mechanism, wherein one side of the impeller telescopic mechanism is provided with an air leakage mechanism;
Further comprises:
the impeller telescopic machanism includes the base, the inside of base is seted up flutedly, the inside sliding connection of recess has a plurality of rubber seal, the number of rubber seal is six, and rubber seal evenly distributed is in the inside of recess, one side fixedly connected with impeller body of rubber seal, the outside and the base sliding connection of impeller body.
As a further scheme of the utility model: the inside one side fixedly connected with fixed block that keeps away from rubber seal of recess, first through-hole has been seted up to the inside of fixed block, one side fixedly connected with baffle of first through-hole inside.
As a further scheme of the utility model: the center position inside the baffle is provided with a second through hole, one side of the baffle is fixedly connected with a first spring, and one side of the first spring away from the baffle is fixedly connected with an arch block.
As a further scheme of the utility model: the outside and the fixed block sliding connection of arch piece, the third through-hole has been seted up to the upper and lower both ends symmetry of arch piece, the fourth through-hole has been seted up to one side that the fixed block is close to first through-hole.
As a further scheme of the utility model: the air leakage mechanism comprises a connecting block, the outer side of the connecting block is fixedly connected with the base, the bottom end of the connecting block is connected with the fixing block in a fitting mode, and a fifth through hole is formed in the connecting block.
As a further scheme of the utility model: the inside sliding connection of fifth through-hole has the ejector pin, the bottom fixedly connected with semicircle ball of ejector pin, the surface of semicircle ball bottom is laminated with the fifth through-hole and is connected.
As a further scheme of the utility model: the top cover of ejector pin is equipped with the second spring, the outside threaded connection at ejector pin top has the threaded rod, the one end and the connecting block threaded connection of threaded rod.
The utility model has the beneficial effects that:
1. the thickness of the extending impeller body can be changed by arranging the impeller telescopic mechanism, the arch-shaped block is pushed to move in the first through hole by gas, so that the gas enters the groove through the third through hole, the groove can be filled with the gas, the rubber sealing ring is pushed to move by the gas, the extending length of the impeller body is changed, the flow of the centrifugal pump can be adjusted under the conditions of not reducing the lift of the water pump and not increasing the mechanical loss, the arch-shaped block is driven to move in the first through hole by the restoring force of the first spring, the arch-shaped block can always keep a joint state with the first through hole under the action of no external force, and the arch-shaped block is matched with the first through hole by the mutual fit of the arch-shaped block, so that the unidirectional circulation of the gas is realized, and the air tightness of the device is improved;
2. through setting up the mechanism of releasing can realize the gaseous emission function in the recess, utilize the screw thread effect between threaded rod and the ejector pin to fixed semicircle ball position in the connecting block, through the cooperation between semicircle ball and the connecting block, can prevent that gas from revealing, utilize the restoring force effect of second spring, thereby make semicircle ball remain laminating state with the connecting block all the time when not receiving external force effect, avoid the base to have the dust entering when not having the during operation.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the internal side view of the base of the present utility model;
FIG. 3 is a schematic view of the internal structure of the fixing block in the present utility model;
Fig. 4 is an enlarged schematic view of the structure of fig. 2 according to the present utility model.
In the figure: 1. an impeller telescoping mechanism; 101. a base; 102. a groove; 103. a rubber seal ring; 104. an impeller body; 105. a fixed block; 106. a first through hole; 107. a baffle; 108. a second through hole; 109. a first spring; 110. an arch block; 111. a third through hole; 112. a fourth through hole; 2. a gas release mechanism; 201. a connecting block; 202. a fifth through hole; 203. a push rod; 204. a semicircle sphere; 205. a second spring; 206. a threaded rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, an impeller for a wear-resistant and corrosion-resistant centrifugal pump comprises an impeller telescopic mechanism 1, wherein one side of the impeller telescopic mechanism 1 is provided with a gas leakage mechanism 2; the impeller telescopic mechanism 1 comprises a base 101, a groove 102 is formed in the base 101, a plurality of rubber sealing rings 103 are connected in the groove 102 in a sliding manner, the number of the rubber sealing rings 103 is six, the rubber sealing rings 103 are uniformly distributed in the groove 102, one side of each rubber sealing ring 103 is fixedly connected with an impeller body 104, the outer side of each impeller body 104 is connected with the base 101 in a sliding manner, and the surface of each impeller body 104 is coated with anticorrosive paint;
A fixed block 105 is fixedly connected to one side, away from the rubber sealing ring 103, of the groove 102, a first through hole 106 is formed in the fixed block 105, a baffle 107 is fixedly connected to one side of the inside of the first through hole 106, and the air tightness of the device is enhanced by the arrangement of the rubber sealing ring 103;
A second through hole 108 is formed in the center position inside the baffle 107, a first spring 109 is fixedly connected to one side of the baffle 107, an arch block 110 is fixedly connected to one side of the first spring 109 away from the baffle 107, and the arch block 110 is driven to move in the first through hole 106 by the restoring force of the first spring 109, so that the arch block 110 can always keep a bonding state with the first through hole 106 under the action of no external force;
The outer side of the arch block 110 is in sliding connection with the fixed block 105, the upper end and the lower end of the arch block 110 are symmetrically provided with third through holes 111, one side of the fixed block 105 close to the first through hole 106 is provided with a fourth through hole 112, and the arch block 110 is matched with the first through hole 107, so that unidirectional circulation of gas is realized, and the air tightness of the device is improved;
The air leakage mechanism 2 comprises a connecting block 201, the outer side of the connecting block 201 is fixedly connected with the base 101, the bottom end of the connecting block 201 is in fit connection with the fixed block 105, a fifth through hole 202 is formed in the connecting block 201, and air in the base 101 is conveniently discharged through the arrangement of the connecting block 201;
The inner part of the fifth through hole 202 is connected with a push rod 203 in a sliding way, the bottom of the push rod 203 is fixedly connected with a semicircle ball 204, the surface of the bottom of the semicircle ball 204 is connected with the fifth through hole 202 in a fitting way, and the gas leakage can be prevented through the cooperation between the semicircle ball 204 and the connecting block 201;
The top cover of ejector pin 203 is equipped with second spring 205, and the outside threaded connection at ejector pin 203 top has threaded rod 206, and threaded rod 206's one end and connecting block 201 threaded connection utilize the restoring force effect of second spring 205 to make semicircle ball 204 remain the laminating state with connecting block 201 all the time when not receiving external force effect, avoid base 101 to get into when not working.
The working principle of the utility model is as follows:
Before the impeller for the wear-resistant and corrosion-resistant centrifugal pump is used, the whole condition of the device is required to be checked firstly to confirm that normal operation can be performed, according to the embodiment shown in fig. 1-4, a base 101 is firstly arranged on one side of the centrifugal pump to provide power for an impeller body 104, the output end of an air pump is connected with one end of a connecting block 105, air enters a first through hole 106, an arch block 110 is pushed to extrude a first spring 109 to compress, and therefore the air enters a groove 102 through a third through hole 111;
Secondly, the gas pushes the rubber sealing ring 103 to move rightwards in the groove 102, so that the impeller body 104 is pushed out of the groove 102, the width of the impeller body 104 is changed, and the wear resistance of the impeller body 104 can be enhanced;
Finally, the threaded rod 206 is rotated, and the restriction of the threaded rod 206 on the ejector rod 203 is released by the threaded action between the threaded rod 206 and the ejector rod 203, so that the gas pushes the semicircular ball 204 to move upwards, the gas is discharged from the fifth through hole 202, and the impeller body 104 is contracted.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. An impeller for a wear-resistant and corrosion-resistant centrifugal pump comprises an impeller telescopic mechanism (1), wherein one side of the impeller telescopic mechanism (1) is provided with a gas leakage mechanism (2);
characterized by further comprising:
Impeller telescopic machanism (1) are including base (101), recess (102) have been seted up to the inside of base (101), the inside sliding connection of recess (102) has a plurality of rubber seal (103), the number of rubber seal (103) is six, and rubber seal (103) evenly distributed is in the inside of recess (102), one side fixedly connected with impeller body (104) of rubber seal (103), the outside and the base (101) sliding connection of impeller body (104).
2. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 1, wherein a fixed block (105) is fixedly connected to one side, away from the rubber sealing ring (103), of the inside of the groove (102), a first through hole (106) is formed in the inside of the fixed block (105), and a baffle (107) is fixedly connected to one side of the inside of the first through hole (106).
3. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 2, wherein a second through hole (108) is formed in the center position inside the baffle plate (107), a first spring (109) is fixedly connected to one side of the baffle plate (107), and an arch block (110) is fixedly connected to one side, away from the baffle plate (107), of the first spring (109).
4. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 3, wherein the outer side of the arch-shaped block (110) is in sliding connection with the fixed block (105), third through holes (111) are symmetrically formed in the upper end and the lower end of the arch-shaped block (110), and a fourth through hole (112) is formed in one side, close to the first through hole (106), of the fixed block (105).
5. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 1, wherein the air leakage mechanism (2) comprises a connecting block (201), the outer side of the connecting block (201) is fixedly connected with the base (101), the bottom end of the connecting block (201) is in fit connection with the fixed block (105), and a fifth through hole (202) is formed in the connecting block (201).
6. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 5, wherein a push rod (203) is slidably connected in the fifth through hole (202), a semicircle ball (204) is fixedly connected to the bottom of the push rod (203), and the surface of the bottom of the semicircle ball (204) is in fit connection with the fifth through hole (202).
7. The impeller for the wear-resistant and corrosion-resistant centrifugal pump according to claim 6, wherein a second spring (205) is sleeved on the top of the ejector rod (203), a threaded rod (206) is connected to the outer side of the top of the ejector rod (203) in a threaded manner, and one end of the threaded rod (206) is in threaded connection with the connecting block (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744443.9U CN221033267U (en) | 2023-10-13 | 2023-10-13 | Impeller for wear-resistant and corrosion-resistant centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744443.9U CN221033267U (en) | 2023-10-13 | 2023-10-13 | Impeller for wear-resistant and corrosion-resistant centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033267U true CN221033267U (en) | 2024-05-28 |
Family
ID=91181827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322744443.9U Active CN221033267U (en) | 2023-10-13 | 2023-10-13 | Impeller for wear-resistant and corrosion-resistant centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033267U (en) |
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2023
- 2023-10-13 CN CN202322744443.9U patent/CN221033267U/en active Active
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