CN217582512U

CN217582512U - Novel long-life centrifugal pump

Info

Publication number: CN217582512U
Application number: CN202221124879.7U
Authority: CN
Inventors: 姜春新; 郑水华
Original assignee: Jiangsu Weierte Pump Co ltd
Current assignee: Jiangsu Weierte Pump Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-14
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to a novel long-life centrifugal pump in the technical field of water pump manufacturing, including the water pump body, the inside cooperation of water pump body is provided with the working chamber, and the cooperation is provided with the impeller subassembly in this working chamber, the impeller subassembly sets up in the bottom of pivot through articulated subassembly, the upper end cooperation of working chamber is provided with sealed accessory cavity, separate through cutting off between sealed accessory cavity and the working chamber, the outside of water pump body corresponds the working chamber and sealed accessory cavity still cooperates and is provided with the casing, and this water pump inner structure is more simple and reasonable, and the staff of being convenient for is in the installation and the dismantlement in later stage, and sealed effect is better simultaneously, and is more simple, has reduced the fault incidence in later stage.

Description

Novel long-life centrifugal pump

Technical Field

The utility model relates to a technical field is made to the water pump, in particular to centrifugal pump follows.

Background

A water pump sealing device is disclosed in the existing Chinese patent database, and the patent application numbers are as follows: CN2020109463362, filing date: 2020.09.10, publication No. CN112032058A, publication date: 2020.12.04, the utility model discloses an application discloses a centrifugal pump, including the centrifugal pump main part, this main part of centrifugation includes the centrifugal pump casing, is equipped with the centrifugal pump impeller in the centrifugal pump casing inner chamber, and the left side middle part of centrifugal pump casing is equipped with the motor, and the motor shaft of motor sets up right, and the right-hand member of motor shaft is equipped with rather than the transmission shaft of well central line altogether, and the cooperation of centrifugal pump impeller is installed on the transmission shaft to drive the rotation by the transmission shaft, this utility model discloses after using for a long time, the produced centrifugal force of impeller reduces gradually, influences the work efficiency of water pump, and sealed effect is not good simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the shortcoming that above prior art exists, provide a novel long-life centrifugal pump, this water pump inner structure is more simple reasonable, and the staff of being convenient for is at the installation and the dismantlement in later stage, and sealed effect is better simultaneously, and is more simple, has reduced the fault incidence in later stage.

The purpose of the utility model is realized like this: the utility model provides a novel long-life centrifugal pump, includes water pump body (1), one side cooperation of water pump body (1) is provided with import (2), and the opposite side cooperation of water pump body (1) is provided with export (3), the cooperation of center department of water pump body (1) is provided with pivot (4), and this pivot (4) are driven through drive arrangement (5) that set up in water pump body (1) top, water pump body (1) inside cooperation is provided with working chamber (6), and this working chamber (6) fit in is provided with impeller subassembly (7), impeller subassembly (7) set up in the bottom of pivot (4) through articulated subassembly (8), the upper end cooperation of working chamber (6) is provided with sealed accessory chamber (9), separate through cutting off (10) between sealed accessory chamber (9) and the working chamber (6), the outside of water pump body (1) corresponds working chamber (6) and sealed accessory chamber (9) and still cooperates and is provided with casing (11).

When the utility model is used, the rotating shaft (4) is driven by the driving device (5), the impeller component (7) synchronously rotates and forms centrifugal force in the turbine cavity, water source is absorbed into the interior of the water pump body (1) through the inlet (2), a plurality of groups of turbulence blades (15) are arranged on the impeller component (7), so that the absorption effect on the water source can be greatly improved, meanwhile, the clearance between adjacent turbulence blades (15) can further improve the volume in the interior of the water pump body (1), so that the conveying capacity of the water pump body (1) in unit time is increased, the partition (10) can effectively prevent water stain from entering the sealed auxiliary cavity (9), when the rotating shaft (4) works, the rotating shaft can slightly shake due to the working environment, at the moment, the damping and buffering components (16) in the hinged component (8) can elastically deform, thereby, the shaking degree of the rotating shaft (4) is reduced, meanwhile, the connecting shaft stabilizer (17) can ensure that the rotating shaft (4) always rotates on the same central line, deflection is prevented, the positioning bulge (14) and the positioning can be slightly shaken due to the existence of working environment, the impeller component can effectively remind personnel of shaking, when the rotating shaft (7) is installed, the impeller component can effectively prevent the impeller component from shaking, the impeller component from shaking after the impeller component (7) from shaking, the impeller component from shaking in the upper end of the impeller component (7) in the working environment, impact between the impeller assembly (7) and the hinge assembly (8) will be prevented.

The utility model has the advantages that: the utility model provides a novel long-life centrifugal pump, this water pump inner structure is more simple reasonable, and the staff of being convenient for is in the installation and the dismantlement in later stage, and sealed effect is better simultaneously, and is more simple, has reduced the fault incidence in later stage.

As a further improvement, impeller subassembly (7) are articulated to be set up in the bottom of pivot (4) and with pivot (4) synchronous motion, impeller overlap (12) have been preset to the outer periphery of impeller subassembly (7), connect through-hole (13) have been preset to center department corresponding pivot (4) of impeller subassembly (7), and one side cooperation that the diameter of this through-hole (13) corresponds pivot (4) sets up through-hole (13) is provided with location arch (14), pivot (4) correspond location arch (14) and have preset positioning groove, and this positioning groove is interference fit and can dismantle with location arch (14).

As a further improvement, the array is provided with a plurality of groups of vortex blades (15) between the outer periphery of through-hole (13) to the interior circumference of impeller overlap (12), every group vortex blade (15) be clockwise set up on impeller subassembly (7) and with impeller subassembly (7) integrated into one piece, still reserve between adjacent two sets of vortex blades (15) and have the clearance, the one end of vortex blade (15) meets with the interior circumference of impeller overlap (12), and the other end of vortex blade (15) meets with the outer periphery of through-hole (13).

As a further improvement, the articulated subassembly (8) sets up in the top of impeller subassembly (7) and offsets with the lower surface that cuts off (10), articulated subassembly (8) suit is in the outside of pivot (4) and with cut off (10) and impeller subassembly (7) articulated fixed mutually, the cooperation of the inside corresponding pivot (4) of articulated subassembly (8) is provided with shock attenuation buffering subassembly (16), and this shock attenuation buffering subassembly (16) set up in the inner wall of articulated subassembly (8) and offset with the outer wall of pivot (4), shock attenuation buffering subassembly (16) are damping spring and with articulated subassembly (8) integrated into one piece.

As a further improvement, it is fixed that wall (10) set up and divide into with casing (11) are articulated in the inside middle part position of water pump body (1) and both sides, the below of cutting off (10) is called working chamber (6), and the top of cutting off (10) is called sealed vice chamber (9), sealed vice chamber (9) correspond pivot (4) and are provided with even axle stabilizer (17), even axle stabilizer (17) suit sets up in the outside of pivot (4) and reserve the clearance with the outer wall of pivot (4).

As the utility model discloses a further improvement, sealed vice chamber (9) correspond even axle stabilizer (17) and are provided with reinforcing plate (18), the upper end and the lower extreme of even axle stabilizer (17) correspond reinforcing plate (18) and cut off (10) and be provided with constant head tank (19), reinforcing plate (18) correspond constant head tank (19) with cutting off (10) and are provided with orientation module (20), and this orientation module (20) and reinforcing plate (18) and cut off (10) integrated into one piece.

As a further improvement, the reinforcing plate (18) is fixed with the casing (11) through bolted connection, cut off (10) and reinforcing plate (18) and correspond pivot (4) and preset the trompil, the diameter setting that the diameter of this trompil corresponds pivot (4) and with reserve the clearance between the outer wall of pivot (4).

As a further improvement of the utility model, the upper end of the hinge assembly (8) is hinged and fixed with the partition (10) and forms a physical seal.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a schematic view of the impeller assembly of the present invention.

Fig. 3 is an enlarged view of the position A of the present invention.

The device comprises a water pump body 1, an inlet 2, an outlet 3, a rotating shaft 4, a driving device 5, a working cavity 6, an impeller component 7, a hinge component 8, a sealing auxiliary cavity 9, a partition 10, a shell 11, an impeller flange 12, a through hole 13, a positioning bulge 14, a turbulence blade 15, a damping and buffering component 16, a connecting shaft stabilizer 17, a reinforcing plate 18, a positioning groove 19 and a positioning module 20.

Detailed Description

As shown in fig. 1-3, a novel long-life centrifugal pump includes a water pump body 1, an inlet 2 is cooperatively arranged on one side of the water pump body 1, an outlet 3 is cooperatively arranged on the other side of the water pump body 1, a rotating shaft 4 is cooperatively arranged at the center of the water pump body 1, the rotating shaft 4 is driven by a driving device 5 arranged above the water pump body 1, a working chamber 6 is cooperatively arranged inside the water pump body 1, an impeller assembly 7 is cooperatively arranged in the working chamber 6, the impeller assembly 7 is arranged at the bottom of the rotating shaft 4 through a hinge assembly 8, a sealing auxiliary chamber 9 is cooperatively arranged at the upper end of the working chamber 6, the sealing auxiliary chamber 9 is separated from the working chamber 6 through a partition 10, and a housing 11 is cooperatively arranged outside the water pump body 1 corresponding to the working chamber 6 and the sealing auxiliary chamber 9; the impeller assembly 7 is hinged to the bottom of the rotating shaft 4 and moves synchronously with the rotating shaft 4, an impeller flange 12 is preset on the outer circumferential surface of the impeller assembly 7, a connecting through hole 13 is preset at the center of the impeller assembly 7 corresponding to the rotating shaft 4, a positioning bulge 14 is arranged on one side of the through hole 13 with the diameter corresponding to the diameter of the rotating shaft 4 in a matched and matched mode, a positioning groove is preset on the rotating shaft 4 corresponding to the positioning bulge 14, and the positioning groove and the positioning bulge 14 are in interference fit and can be detached; a plurality of groups of turbulence blades 15 are arrayed between the outer circumferential surface of the through hole 13 and the inner circumferential surface of the impeller flange 12, each group of turbulence blades 15 is clockwise arranged on the impeller assembly 7 and is integrally formed with the impeller assembly 7, a gap is reserved between two adjacent groups of turbulence blades 15, one end of each turbulence blade 15 is connected with the inner circumferential surface of the impeller flange 12, and the other end of each turbulence blade 15 is connected with the outer circumferential surface of the through hole 13; the hinge assembly 8 is arranged above the impeller assembly 7 and is abutted against the lower surface of the partition 10, the hinge assembly 8 is sleeved outside the rotating shaft 4 and is hinged and fixed with the partition 10 and the impeller assembly 7, a damping and buffering assembly 16 is arranged inside the hinge assembly 8 corresponding to the rotating shaft 4 in a matched manner, the damping and buffering assembly 16 is arranged on the inner wall of the hinge assembly 8 and is abutted against the outer wall of the rotating shaft 4, and the damping and buffering assembly 16 is a damping spring and is integrally formed with the hinge assembly 8; the partition 10 is arranged in the middle of the interior of the water pump body 1, two sides of the partition are hinged and fixed with the shell 11, the lower part of the partition 10 is called a working cavity 6, the upper part of the partition 10 is called a sealing auxiliary cavity 9, the sealing auxiliary cavity 9 is provided with a connecting shaft stabilizer 17 corresponding to the rotating shaft 4, and the connecting shaft stabilizer 17 is sleeved outside the rotating shaft 4 and provided with a gap with the outer wall of the rotating shaft 4; the sealing auxiliary cavity 9 is provided with a reinforcing plate 18 corresponding to the connecting shaft stabilizer 17, the upper end and the lower end of the connecting shaft stabilizer 17 are provided with positioning grooves 19 corresponding to the reinforcing plate 18 and the partition 10, the reinforcing plate 18 and the partition 10 are provided with positioning modules 20 corresponding to the positioning grooves 19, and the positioning modules 20 are integrally formed with the reinforcing plate 18 and the partition 10; the reinforcing plate 18 and the shell 11 are fixedly connected through bolts, the partition 10 and the reinforcing plate 18 are provided with openings corresponding to the rotating shaft 4 in advance, the diameter of each opening is arranged corresponding to the diameter of the rotating shaft 4, and a gap is reserved between each opening and the outer wall of the rotating shaft 4; the upper end of the hinge assembly 8 is hinged and fixed with the partition 10 to form a physical seal.

The utility model discloses the during operation: the pivot 4 is driven through the drive arrangement 5, impeller subassembly 7 will rotate in step and make the turbine intracavity form centrifugal force, adsorb the water source by import 2 into inside the pump body 1, because be provided with a plurality of groups vortex blade 15 on the impeller subassembly 7, so can have the improvement of very big degree to the adsorption effect of water source, the clearance between the adjacent vortex blade 15 simultaneously, can further improve the volume inside the pump body 1, make the delivery capacity in the unit time of pump body 1 increase, cut off 10 will effectively prevent to get into water stain in the sealed accessory chamber 9, when the pivot 4 is at work, because the reason of operational environment, probably the family produces slight rocking, shock attenuation buffering subassembly 16 inside articulated subassembly 8 this moment will take place elastic deformation, thereby reduce the degree of rocking of pivot 4, even axle stabilizer 17 will guarantee that pivot 4 rotates on same center line all the time, prevent to deflect, the existence of location arch 14 and positioning groove, can effectively remind the staff, prevent the impeller from being installed by mistake, after the work of pump body 1, pivot 4 may produce slight rocking because of operational environment reason, when pivot 4 rocks subassembly 7 rocks, when the installation also can produce slight impact subassembly 7, when this moment, the articulated subassembly 7 of the articulated subassembly also can prevent the impeller from taking place the articulated subassembly 8 of this moment.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative labor, and these substitutions and modifications are all within the protection scope.

Claims

1. The utility model provides a novel long-life centrifugal pump, includes water pump body (1), one side cooperation of water pump body (1) is provided with import (2), and the opposite side cooperation of water pump body (1) is provided with export (3), the center department cooperation of water pump body (1) is provided with pivot (4), and this pivot (4) are driven through drive arrangement (5) that set up in water pump body (1) top, its characterized in that: the water pump comprises a water pump body (1), wherein a working cavity (6) is arranged in the water pump body (1) in a matched mode, an impeller assembly (7) is arranged in the working cavity (6) in a matched mode, the impeller assembly (7) is arranged at the bottom of a rotating shaft (4) through a hinge assembly (8), a sealing auxiliary cavity (9) is arranged in the upper end of the working cavity (6) in a matched mode, the sealing auxiliary cavity (9) is separated from the working cavity (6) through a partition (10), and the working cavity (6) and the sealing auxiliary cavity (9) corresponding to the outside of the water pump body (1) are further provided with a shell (11) in a matched mode.

2. A novel long life centrifugal pump as claimed in claim 1, wherein: impeller subassembly (7) are articulated to be set up in the bottom of pivot (4) and with pivot (4) synchronous motion, impeller overlap (12) have been preset in the outer periphery of impeller subassembly (7), connect the via hole (13) have been preset in the center department of impeller subassembly (7) corresponding pivot (4), and the diameter setting of this via hole (13) corresponds pivot (4), one side cooperation of via hole (13) is provided with location arch (14), positioning groove has been preset in pivot (4) corresponding location arch (14), and this positioning groove is interference fit and can dismantle with location arch (14).

3. A novel long life centrifugal pump as claimed in claim 2, wherein: a plurality of groups of turbulence blades (15) are arranged between the outer circumferential surface of the through hole (13) and the inner circumferential surface of the impeller flange (12) in an array mode, each group of turbulence blades (15) is clockwise arranged on the impeller assembly (7) and is integrally formed with the impeller assembly (7), a gap is reserved between every two adjacent groups of turbulence blades (15), one end of each turbulence blade (15) is connected with the inner circumferential surface of the impeller flange (12), and the other end of each turbulence blade (15) is connected with the outer circumferential surface of the through hole (13).

4. A novel long life centrifugal pump as claimed in claim 1, wherein: articulated subassembly (8) set up in the top of impeller subassembly (7) and offset with the lower surface that cuts off (10), articulated subassembly (8) suit in the outside of pivot (4) and with cut off (10) and impeller subassembly (7) articulated fixed mutually, articulated subassembly (8) inside corresponds pivot (4) cooperation and is provided with shock attenuation buffer unit (16), and this shock attenuation buffer unit (16) set up in the inner wall of articulated subassembly (8) and offset with the outer wall of pivot (4), shock attenuation buffer unit (16) are damping spring and with articulated subassembly (8) integrated into one piece.

5. A novel long life centrifugal pump as claimed in claim 1, characterized in that: cut off (10) and set up in the inside middle part position of water pump body (1) and both sides divide into and articulate fixedly with casing (11), the below of cutting off (10) is called working chamber (6), and the top of cutting off (10) is called sealed vice chamber (9), sealed vice chamber (9) are provided with even axle stabilizer (17) corresponding pivot (4), even axle stabilizer (17) suit sets up in the outside of pivot (4) and reserves the clearance with the outer wall of pivot (4).

6. A novel long life centrifugal pump as claimed in claim 1, wherein: the sealing auxiliary cavity (9) is provided with a reinforcing plate (18) corresponding to the connecting shaft stabilizer (17), the upper end and the lower end of the connecting shaft stabilizer (17) are provided with positioning grooves (19) corresponding to the reinforcing plate (18) and the partition (10), the reinforcing plate (18) and the partition (10) are provided with positioning modules (20) corresponding to the positioning grooves (19), and the positioning modules (20) are integrally formed with the reinforcing plate (18) and the partition (10).

7. A novel long life centrifugal pump as claimed in claim 6, characterized in that: the reinforcing plate (18) is fixedly connected with the shell (11) through bolts, an opening is formed in the partition (10) and the reinforcing plate (18) in advance corresponding to the rotating shaft (4), the diameter of the opening is arranged corresponding to the diameter of the rotating shaft (4), and a gap is reserved between the diameter of the opening and the outer wall of the rotating shaft (4).

8. A novel long life centrifugal pump as claimed in claim 1, wherein: the upper end of the hinge assembly (8) is hinged and fixed with the partition (10) to form sealing, and a gap is reserved between the upper end of the impeller assembly (7) and the lower end of the hinge assembly (8).