CN220890574U - Centrifugal pump convenient for impeller replacement - Google Patents
Centrifugal pump convenient for impeller replacement Download PDFInfo
- Publication number
- CN220890574U CN220890574U CN202322814951.XU CN202322814951U CN220890574U CN 220890574 U CN220890574 U CN 220890574U CN 202322814951 U CN202322814951 U CN 202322814951U CN 220890574 U CN220890574 U CN 220890574U
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- Prior art keywords
- pump
- impeller
- centrifugal pump
- pump body
- groove
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- 238000009434 installation Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal pump convenient for impeller replacement, which comprises a pump body, wherein a water inlet is formed in one side surface of the pump body, a water outlet is formed in the top end surface of the pump body, a pump cover is arranged on the other side surface of the pump body, a motor is arranged on one side of the pump body, a support leg is arranged at the bottom of the motor, the output end of the motor is connected with a pump shaft, and an impeller is arranged outside one end of the pump shaft; through the disassembly and assembly components of the design, the impeller and the pump shaft are convenient to install and connect when the centrifugal pump is assembled in the early stage by workers, the structure is simple, the operation is convenient and quick, the installation efficiency of the workers is convenient to improve, the impeller can be quickly disassembled and replaced in the later stage, the purposes of time and labor saving can be achieved, and the practicability is good; through the damping component of design, the centrifugal pump of being convenient for realizes the absorbing effect at the in-process of operation for the motor can be with ground spacing connection, the condition that is difficult for taking place to remove when making centrifugal pump vibrations, the practical effect is better.
Description
Technical Field
The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with an impeller convenient to replace.
Background
The centrifugal pump is a pump for conveying liquid by virtue of centrifugal force generated when the impeller rotates, can be widely used for conveying slurry containing solid particles in industries such as electric power, metallurgy, coal, building materials and the like, such as hydraulic ash removal in a thermal power plant, pulp conveying in a metallurgical dressing plant, coal slurry in a coal washing plant, heavy medium conveying and the like, the impeller is an important component part of the centrifugal pump, and the impeller needs to be detached and replaced after long-time use.
Disclosure of utility model
The present utility model is directed to a centrifugal pump that facilitates replacement of an impeller, and solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal pump convenient to change impeller, includes the pump body, one side surface of the pump body is provided with the water inlet, the top face of the pump body is provided with the delivery port, the opposite side surface mounting of the pump body has the pump cover, one side of the pump body is provided with the motor, the stabilizer blade is installed to the bottom of motor, the output of motor is connected with the pump shaft, the one end externally mounted of pump shaft has the impeller, the impeller with the junction of pump shaft sets up the dismouting subassembly.
The assembly and disassembly assembly comprises a rectangular rod arranged at one end of the pump shaft, an installation slot for the rectangular rod to be inserted is formed in one end surface of the pump shaft, a metal strip is symmetrically fixed on the inner wall of the installation slot, a limiting clamping plate is mounted on the inner side surface of the metal strip, a through groove for the limiting clamping plate to penetrate is formed in the inner wall of the installation slot symmetrically, a limiting clamping groove is formed in the inner wall of an installation hole on the surface of the impeller symmetrically, the opening of the limiting clamping groove is opposite to the opening of the through groove, the top of the limiting clamping plate is clamped to the inside of the limiting clamping groove, a connecting magnetic sheet is mounted on the inner wall of one end of the installation slot, and one end surface of the rectangular rod is magnetically connected with the surface of the connecting magnetic sheet.
As a further preferable mode of the technical scheme, a limiting ring is arranged in the middle of the surface of the pump shaft, and one end surface of the impeller is in fit connection with one side surface of the limiting ring.
As a further preferable mode of the technical scheme, the other end surface of the rectangular rod is provided with a limiting groove, the cross section of the metal strip is isosceles trapezoid, and the length of the opening of the penetrating groove is larger than the surface length of the limiting clamping plate.
As a further preferable mode of the technical scheme, the bottom surface of the pump body is symmetrically fixed with the mounting support, and the junction box is mounted on the top of the surface of the motor.
As the further preferred of this technical scheme, the bottom face of stabilizer blade is provided with damper, damper including install in stabilizer blade bottom face edge's solid fixed ring, the gasbag pad is installed to gu fixed ring inboard, gu fixed ring's bottom face edge surface constant angle is fixed with the sucking disc, connecting draw-in groove has been seted up to gu fixed ring's inboard bottom surface constant angle, gu fixed lug is fixed with to gasbag pad's bottom face edge constant angle, gu fixed lug with the connection draw-in groove block is connected.
As a further preferable aspect of the present invention, the bottom outer diameter of the fixing ring is larger than the bottom end surface diameter of the leg, and the top end surface of the airbag cushion is bonded to the bottom end surface of the leg.
The utility model provides a centrifugal pump with an impeller convenient to replace, which has the following beneficial effects:
1. According to the utility model, through the designed dismounting assembly, the impeller and the pump shaft are convenient to mount and connect when a worker assembles the centrifugal pump in the early stage, the structure is simple, the operation is convenient and quick, the mounting efficiency of the worker is convenient to improve, the impeller can be quickly dismounted and replaced in the later stage, the purposes of time and labor saving can be achieved, and the practicability is good.
2. According to the utility model, through the designed damping component, the damping effect of the centrifugal pump is realized in the running process, so that the motor can be in limit connection with the ground, the centrifugal pump is not easy to move during vibration, and the practical effect is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the impeller and the pump shaft of the present utility model;
FIG. 3 is an enlarged schematic view of area A of FIG. 2;
FIG. 4 is a schematic view of the mounting structure of the damper assembly of the present utility model;
In the figure: 1. a pump body; 2. a water inlet; 3. a water outlet; 4. a motor; 5. a pump cover; 6. a mounting support; 7. a support leg; 8. a pump shaft; 9. an impeller; 10. a rectangular bar; 11. installing a slot; 12. a limit groove; 13. a through groove; 14. a metal strip; 15. a limiting clamping plate; 16. connecting magnetic sheets; 17. a limit clamping groove; 18. a limiting ring; 19. an airbag cushion; 20. a fixing ring; 21. a suction cup; 22. a fixing bump; 23. and a connecting clamping groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1, 2 and 3, in this embodiment, a centrifugal pump convenient for replacing impellers comprises a pump body 1, one side surface of the pump body 1 is provided with a water inlet 2, the top end surface of the pump body 1 is provided with a water outlet 3, the other side surface of the pump body 1 is provided with a pump cover 5, one side of the pump body 1 is provided with a motor 4, the bottom of the motor 4 is provided with a support leg 7, the output end of the motor 4 is connected with a pump shaft 8, one end of the pump shaft 8 is externally provided with an impeller 9, the bottom surface of the pump body 1 is symmetrically fixed with a mounting support 6, the top of the surface of the motor 4 is provided with a junction box, the joint of the impeller 9 and the pump shaft 8 is provided with a dismounting component, the dismounting component comprises a rectangular rod 10 arranged at one end surface of the pump shaft 8, a mounting slot 11 for inserting the rectangular rod 10 is arranged at one end surface of the pump shaft 8, the inner wall of the mounting slot 11 is symmetrically fixed with a metal strip 14, the inner side surface of the metal strip 14 is provided with a limiting clamping plate 15, the inner wall of the installation slot 11 is symmetrically provided with a through groove 13 for the penetration of the limit clamping plate 15, the inner wall of the installation hole on the surface of the impeller 9 is symmetrically provided with a limit clamping groove 17, the opening of the limit clamping groove 17 is opposite to the opening of the through groove 13, the top of the limit clamping plate 15 is clamped into the limit clamping groove 17, the other end surface of the rectangular rod 10 is provided with a limit groove 12, the cross section of the metal strip 14 is isosceles trapezoid, the length of the opening of the through groove 13 is greater than the surface length of the limit clamping plate 15, the inner wall of one end of the installation slot 11 is provided with a connecting magnetic sheet 16, one end surface of the rectangular rod 10 is magnetically connected with the surface of the connecting magnetic sheet 16, the impeller 9 and the pump shaft 8 are convenient to be installed and connected, the structure is simple, the operation of workers is convenient, the installation efficiency can be improved, and the impeller 9 can be quickly detached when the impeller 9 needs to be replaced in the later stage, the method is simple and easy to operate, can achieve the purposes of time and labor saving, and has good practicability.
As shown in fig. 3, a limiting ring 18 is installed in the middle of the surface of the pump shaft 8, one end surface of the impeller 9 is in fit connection with one side surface of the limiting ring 18, so that the impeller 9 is conveniently limited during installation, and a worker can conveniently rotate the impeller 9 to align the opening of the limiting clamping groove 17 at the opening of the through groove 13.
As shown in fig. 1 and 4, the bottom end surface of the supporting leg 7 is provided with a damping component, the damping component comprises a fixing ring 20 installed at the edge of the bottom end surface of the supporting leg 7, an air bag cushion 19 is installed on the inner side of the fixing ring 20, a sucker 21 is fixed on the surface of the edge of the bottom end surface of the fixing ring 20 at equal angles, a connecting clamping groove 23 is formed in the inner side bottom surface of the fixing ring 20 at equal angles, a fixing lug 22 is fixed on the edge of the bottom end surface of the air bag cushion 19 at equal angles, the fixing lug 22 is clamped and connected with the connecting clamping groove 23, the bottom outer diameter of the fixing ring 20 is larger than the bottom end surface diameter of the supporting leg 7, the top end surface of the air bag cushion 19 is bonded and connected with the bottom end surface of the supporting leg 7, the damping effect of the centrifugal pump can be conveniently realized in the running process, and the connection tightness between the supporting leg 7 and the ground can be improved, so that the situation of moving is not easy to occur when the motor 4 vibrates, and the practical effect is good.
The utility model provides a centrifugal pump with an impeller convenient to replace, which has the following specific working principle: in the utility model, when the impeller 9 and the pump shaft 8 are installed and connected in the earlier stage, the impeller 9 is pushed to sleeve the impeller 9 towards the outside of one end of the pump shaft 8, so that one side surface of a limiting ring 18 outside the pump shaft 8 on one end surface of the impeller 9 is attached and connected, then the impeller 9 is rotated to adjust the angle, so that the opening of a limiting clamping groove 17 on the inner wall of an installation hole of the impeller 9 is aligned with the opening of a penetrating groove 13 on the surface of the pump shaft 8, then one end of a rectangular rod 10 can be inserted into the installation slot 11, so that one end of the rectangular rod 10 is clamped into the installation slot 11, at the moment, one end of the rectangular rod 10 can squeeze the surface of a metal strip 14, so that the inner side surface of the metal strip 14 is attached to the inner side surface of the installation slot 11, and at the same time, a limiting clamping plate 15 on the inner side surface of the metal strip 14 can be clamped into the limiting clamping groove 17 through the penetrating groove 13, until one end surface of the rectangular rod 10 is magnetically connected with the surface of the connecting magnetic sheet 16 on the inner wall of one end of the mounting slot 11, so that the rectangular rod 10 can be mounted in the mounting slot 11 in a limited manner, meanwhile, the impeller 9 can be mounted outside one end of the pump shaft 8 in a limited manner, the structure is simple, the operation is convenient and quick, the mounting efficiency of workers is improved, when the impeller 9 needs to be dismounted and replaced in the later stage, the external dismounting tool can be inserted into the limiting groove 12 on the other end surface of the rectangular rod 10, the rectangular rod 10 can be pulled to move outside the mounting slot 11, the magnetic connection between one end surface of the rectangular rod 10 and the surface of the connecting magnetic sheet 16 is lost, until the rectangular rod 10 is completely separated from the inside of the mounting slot 11, the metal strip 14 can rebound and reset without receiving the extrusion force, the limiting clamping plate 15 is separated from the inside of the limiting clamping groove 17, and then the impeller 9 can be removed, the operation is simple and easy, and the practicability is good; when the damping component is installed, the fixing ring 20 is firstly fixed at the edge of the bottom end surface of the supporting leg 7, then the airbag cushion 19 can be pushed to be clamped into the fixing ring 20, and then the bottom end surface of the fixing ring 20 is pressed, so that the fixing lug 22 at the edge of the bottom end surface of the airbag cushion 19 is clamped into the connecting clamping groove 23 on the inner side bottom surface of the fixing ring 20, the airbag cushion 19 can be limited and installed in the fixing ring 20, when the supporting leg 7 is contacted with the ground, the sucker 21 on the bottom end surface of the fixing ring 20 can be in adsorptive connection with the ground, the supporting leg 7 can be limited and connected with the ground, and when the centrifugal pump vibrates in the running process, the airbag cushion 19 in the fixing ring 20 can realize a certain damping effect, and meanwhile, the sucker 21 can limit the supporting leg 7, so that the centrifugal pump is not easy to move during vibration, and the practical effect is good.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a centrifugal pump convenient to change impeller, includes pump body (1), one side surface of pump body (1) is provided with water inlet (2), the top face of pump body (1) is provided with delivery port (3), the opposite side surface mounting of pump body (1) has pump cover (5), one side of pump body (1) is provided with motor (4), stabilizer blade (7) are installed to the bottom of motor (4), the output of motor (4) is connected with pump shaft (8), one end externally mounted of pump shaft (8) has impeller (9), its characterized in that: a disassembly and assembly component is arranged at the joint of the impeller (9) and the pump shaft (8);
The disassembly and assembly comprises a rectangular rod (10) arranged at one end of a pump shaft (8), an installation slot (11) for inserting the rectangular rod (10) is formed in one end surface of the pump shaft (8), metal strips (14) are symmetrically fixed on the inner wall of the installation slot (11), limiting clamping plates (15) are mounted on the inner side surface of the metal strips (14), penetrating grooves (13) for penetrating the limiting clamping plates (15) are formed in the inner wall of the installation slot (11) symmetrically, limiting clamping grooves (17) are formed in the inner wall of an installation hole on the surface of an impeller (9) symmetrically, the opening of each limiting clamping groove (17) is opposite to the opening of each penetrating groove (13), the top of each limiting clamping plate (15) is clamped to the inside of each limiting clamping groove (17), a connecting magnetic sheet (16) is mounted on the inner wall of one end of each installation slot (11), and one end surface of each rectangular rod (10) is magnetically connected with the surface of each connecting magnetic sheet (16).
2. A centrifugal pump for facilitating replacement of an impeller according to claim 1, wherein: and a limiting ring (18) is arranged in the middle of the surface of the pump shaft (8), and one end surface of the impeller (9) is in fit connection with one side surface of the limiting ring (18).
3. A centrifugal pump for facilitating replacement of an impeller according to claim 1, wherein: the limiting groove (12) is formed in the surface of the other end of the rectangular rod (10), the cross section of the metal strip (14) is isosceles trapezoid, and the length of the opening of the through groove (13) is larger than the surface length of the limiting clamping plate (15).
4. A centrifugal pump for facilitating replacement of an impeller according to claim 1, wherein: the bottom surface symmetry of the pump body (1) is fixed with installing support (6), terminal box is installed at the surface top of motor (4).
5. A centrifugal pump for facilitating replacement of an impeller according to claim 1, wherein: the bottom surface of stabilizer blade (7) is provided with damper, damper including install in fixed ring (20) of stabilizer blade (7) bottom surface edge, gasbag pad (19) are installed to fixed ring (20) inboard, the bottom surface edge surface constant angle of fixed ring (20) is fixed with sucking disc (21), connection draw-in groove (23) have been seted up to the inboard bottom surface constant angle of fixed ring (20), the bottom surface edge constant angle of gasbag pad (19) is fixed with fixed lug (22), fixed lug (22) with connect draw-in groove (23) block and connect.
6. A centrifugal pump for facilitating replacement of an impeller as recited in claim 5, wherein: the bottom external diameter of the fixing ring (20) is larger than the bottom end surface diameter of the supporting leg (7), and the top end surface of the air bag cushion (19) is connected with the bottom end surface of the supporting leg (7) in an adhesive mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814951.XU CN220890574U (en) | 2023-10-20 | 2023-10-20 | Centrifugal pump convenient for impeller replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814951.XU CN220890574U (en) | 2023-10-20 | 2023-10-20 | Centrifugal pump convenient for impeller replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890574U true CN220890574U (en) | 2024-05-03 |
Family
ID=90866531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322814951.XU Active CN220890574U (en) | 2023-10-20 | 2023-10-20 | Centrifugal pump convenient for impeller replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890574U (en) |
-
2023
- 2023-10-20 CN CN202322814951.XU patent/CN220890574U/en active Active
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