CN219754877U

CN219754877U - Multifunctional centrifugal pump impeller

Info

Publication number: CN219754877U
Application number: CN202320526304.6U
Authority: CN
Inventors: 缪宏程
Original assignee: Jiangsu S&p Industry Co ltd
Current assignee: Jiangsu S&p Industry Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-26
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the technical field of impellers, in particular to a multifunctional centrifugal pump impeller, which comprises a pump shell and an impeller body, wherein the impeller body comprises a first impeller, a second impeller and a fixed shell, a first fixed shaft and a second fixed shaft are respectively connected to two sides of the fixed shell in a rotating mode, the first impeller is fixedly sleeved on the surface of the first fixed shaft, and the second impeller is fixedly sleeved on the surface of the second fixed shaft. According to the utility model, the impeller body is divided into the first impeller and the second impeller, and the first impeller and the second impeller are separated through the fixed shell, so that the first impeller and the second impeller can be separated to operate, and the purpose of pumping water in forward and reverse directions is realized.

Description

Multifunctional centrifugal pump impeller

Technical Field

The utility model relates to the technical field of impellers, in particular to a multifunctional centrifugal pump impeller.

Background

The centrifugal pump is a pump which is used for conveying liquid by centrifugal force generated when the impeller rotates, the centrifugal pump is operated by utilizing the centrifugal force generated when the impeller rotates to enable water to perform centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are required to be filled with water, then the motor is started, the pump shaft drives the impeller and the water to perform high-speed rotation motion, the water performs centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressing pipeline of the water pump through a runner of the volute pump shell.

The inside impeller that is generally installed of traditional centrifugal pump is driven by the motor and rotates, consequently make the centrifugal pump only can be with liquid orientation one direction extraction, the patent of publication No. CN213928752U discloses a novel multi-functional centrifugal pump, can realize positive and negative extraction, but its positive and negative extraction's technique is that drive two different impellers respectively through two motors and rotate, make the cost of whole centrifugal pump increase, and owing to set up two motors and two impellers, also can increase the expense of later maintenance, have certain drawback in the in-service use.

Disclosure of Invention

The utility model aims to provide a multifunctional centrifugal pump impeller, which solves the problems that in the prior art, when a centrifugal pump pumps liquid through the impeller, the centrifugal pump can only pump in one direction, if reverse pumping is needed, an operator needs to exchange pipelines of a water inlet pipe and a water outlet pipe, the use is inconvenient, and the cost of the whole centrifugal pump is increased by utilizing two motors and two impellers.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a multifunctional centrifugal pump impeller, includes pump case and impeller body, the impeller body includes first impeller, second impeller and fixed shell, the both sides of fixed shell rotate respectively and are connected with first fixed axle and second fixed axle, first impeller fixed cover is established on the surface of first fixed axle, the fixed cover of second impeller is established on the surface of second fixed axle, the inside of first fixed axle is provided with the actuating mechanism who is used for driving first fixed axle or second fixed axle and carries out pivoted, the inside of fixed shell is provided with the adjustment mechanism who is used for making the second impeller carry out reverse rotation, first impeller and second impeller symmetry set up, the impeller body sets up in the inside of pump case, the inside of pump case divide into three cavity, fixed shell fixed mounting is located two cavities about middle cavity, first impeller and second impeller respectively.

Preferably, the driving mechanism comprises a connecting sleeve, a spring, a first electromagnet, a second electromagnet, a connecting shaft and a limiting gear, wherein the limiting gear is fixedly arranged at a port of the connecting shaft, the connecting shaft movably penetrates through the first fixed shaft, the connecting sleeve is slidably sleeved at one end of the connecting shaft far away from the limiting gear, two ends of the spring are fixedly connected with the connecting shaft and the inner wall of the connecting sleeve respectively, and the first electromagnet and the second electromagnet are fixedly arranged inside the connecting sleeve and at the port of the connecting shaft respectively.

Preferably, the first electromagnet and the second electromagnet are both annular structures, and the first electromagnet and the second electromagnet are both sleeved on the surface of the spring.

Preferably, the adjusting mechanism comprises a rotating shaft, the rotating shaft is rotationally connected to the inside of the fixed shell, a second gear and a second turntable are fixedly arranged on the surface of the rotating shaft, a ring frame is rotationally connected to the inside of the fixed shell, a first gear is fixedly arranged at a port of the ring frame, the first gear is meshed with the second gear, a first turntable is fixedly arranged at a port of the second fixed shaft, which is positioned inside the fixed shell, and the first turntable and the second turntable are connected through belt transmission.

Preferably, the first fixing shaft is positioned at the port inside the fixing shell and the surface of the first gear is provided with tooth grooves matched with the size of the limiting gear.

Preferably, the ring frame is sleeved on the surface of the connecting shaft, and the limiting gear is positioned in the ring frame.

The utility model has at least the following beneficial effects:

through divide into first impeller and second impeller with the impeller body to separate through the fixed shell between the two, make first impeller and second impeller can separate the operation, and then realize the purpose of positive and negative pumping, compare in traditional impeller can only draw water towards the technique of one direction, it is more convenient to use, compare in the form that adopts two motors and two impellers in addition also can reduce the input of motor, reduce centrifugal pump's cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the pump housing of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a cross-sectional view of a stationary housing of the present utility model;

FIG. 5 is a cross-sectional view of a ring frame of the present utility model;

FIG. 6 is a schematic view of the structure of FIG. 5B according to the present utility model;

fig. 7 is a schematic view of a first gear structure according to the present utility model.

In the figure: 1. a pump housing; 2. an impeller body; 21. a first impeller; 22. a second impeller; 23. a fixed case; 3. a first electromagnet; 4. a spring; 5. a second electromagnet; 6. a connecting shaft; 7. a first fixed shaft; 8. a ring frame; 9. a first gear; 10. a first turntable; 11. a second fixed shaft; 12. a second turntable; 13. a rotating shaft; 14. a second gear; 15. tooth slots; 16. connecting sleeves; 17. and a limiting gear.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1-7, a multifunctional centrifugal pump impeller comprises a pump shell 1 and an impeller body 2, wherein the impeller body 2 comprises a first impeller 21, a second impeller 22 and a fixed shell 23, both sides of the fixed shell 23 are respectively and rotatably connected with a first fixed shaft 7 and a second fixed shaft 11, the first impeller 21 is fixedly sleeved on the surface of the first fixed shaft 7, the second impeller 22 is fixedly sleeved on the surface of the second fixed shaft 11, a driving mechanism for driving the first fixed shaft 7 or the second fixed shaft 11 to rotate is arranged in the first fixed shaft 7, an adjusting mechanism for enabling the second impeller 22 to reversely rotate is arranged in the fixed shell 23, the first impeller 21 and the second impeller 22 are symmetrically arranged in the pump shell 1, the inside of the pump shell 1 is divided into three cavities, the fixed shell 23 is fixedly arranged in the middle cavity, the first impeller 21 and the second impeller 22 are respectively positioned in the left cavity and the right cavity, the impeller body 2 is arranged in the pump shell 1 in use, a motor output shaft of the centrifugal pump is connected with the driving mechanism, the impeller body 2 is driven by the driving mechanism to rotate, further the first impeller 22 is driven by the driving mechanism to rotate, the second impeller 22 is driven by the driving mechanism, the second impeller 22 and the second impeller 22 is driven by the second impeller 22 to freely rotate, the first impeller 22 and the second impeller 22 can be freely and rotatably driven by the second impeller 22 and the second impeller 22, the second impeller 22 is freely and the second impeller 21 and the second impeller 22 can be freely and rotatably driven by the first impeller 21 and the second impeller 21 through the opposite direction and the second impeller and the first impeller and the second impeller 2 respectively, compared with the traditional technology that the impeller can only pump water towards one direction, the centrifugal pump is more convenient to use, and compared with the mode that two motors and two impellers are adopted, the input of the motors is reduced, and the cost of the centrifugal pump is reduced.

Further, the driving mechanism comprises a connecting sleeve 16, a spring 4, a first electromagnet 3, a second electromagnet 5, a connecting shaft 6 and a limiting gear 17, wherein the limiting gear 17 is fixedly arranged at a port of the connecting shaft 6, the connecting shaft 6 movably penetrates through the first fixed shaft 7, the connecting sleeve 16 is slidably sleeved at one end of the connecting shaft 6 far away from the limiting gear 17, two ends of the spring 4 are respectively fixedly connected with the connecting shaft 6 and the inner wall of the connecting sleeve 16, the first electromagnet 3 and the second electromagnet 5 are respectively fixedly arranged in the connecting sleeve 16 and the port of the connecting shaft 6, the connecting sleeve 16 in the driving mechanism is connected with a motor output shaft of the centrifugal pump, when the first impeller 21 is required to rotate, the first electromagnet 3 and the second electromagnet 5 are electrified through a control switch, so that the first electromagnet 3 and the second electromagnet 5 are attracted to each other, the connecting shaft 6 drives the limit gear 17 to move towards the connecting sleeve 16, the limit gear 17 is further clamped with the tooth groove 15 of the first fixed shaft 7, the motor drives the connecting sleeve 16 to rotate at the moment, the connecting sleeve 16 drives the connecting shaft 6 to rotate, the connecting shaft 6 drives the limit gear 17 to rotate, the limit gear 17 drives the first fixed shaft 7 to rotate, the first fixed shaft 7 drives the first impeller 21 to rotate, the purpose of pumping water is achieved, when the second impeller 22 is required to rotate for reversely pumping water, the first electromagnet 3 and the second electromagnet 5 are powered off, the connecting shaft 6 moves towards the direction away from the connecting sleeve 16 under the action of the spring 4, the limit gear 17 is clamped with the tooth groove 15 on the surface of the first gear 9 at the moment, the limit gear 17 is separated from the first fixed shaft 7, the motor is started, the motor drives the connecting sleeve 16 to rotate, the connecting sleeve 16 drives the connecting shaft 6 to rotate, the connecting shaft 6 drives the limiting gear 17 to rotate, and the limiting gear 17 drives the second fixed shaft 11 to reversely rotate through the adjusting mechanism, so that the second impeller 22 is driven to reversely rotate, and the purpose of reversely pumping water is achieved.

Further, the first electromagnet 3 and the second electromagnet 5 are of annular structures, and the first electromagnet 3 and the second electromagnet 5 are sleeved on the surface of the spring 4.

Further, the adjustment mechanism comprises a rotating shaft 13, the rotating shaft 13 is rotationally connected to the inside of a fixed shell 23, a second gear 14 and a second rotary table 12 are fixedly arranged on the surface of the rotating shaft 13, a ring frame 8 is rotationally connected to the inside of the fixed shell 23, a first gear 9 is fixedly arranged at the port of the ring frame 8, the first gear 9 is meshed with the second gear 14, a first rotary table 10 is fixedly arranged at the port of the second fixed shaft 11 inside the fixed shell 23, the first rotary table 10 is in belt transmission connection with the second rotary table 12, when the second impeller 22 is driven to reversely rotate, a limit gear 17 is clamped with a tooth slot 15 on the first gear 9, so that the limit gear 17 drives the first gear 9 to rotate by the ring frame 8, the first gear 9 drives the second gear 14 to reversely rotate, the second rotary table 12 is synchronously rotated by the rotating shaft 13, the second rotary table 12 synchronously rotates the first rotary table 10, the second fixed shaft 11 drives the second impeller 22 to rotate, and further the second impeller 22 reversely rotates, and the first impeller 21 cannot reversely rotate in the process.

Further, the end opening of the first fixing shaft 7 in the fixing shell 23 and the surface of the first gear 9 are provided with tooth grooves 15 which are matched with the size of the limiting gear 17.

Further, the ring frame 8 is sleeved on the surface of the connecting shaft 6, and the limiting gear 17 is located inside the ring frame 8.

In summary, in use, the impeller body 2 is installed inside the pump casing 1, the motor output shaft of the centrifugal pump is connected with the driving mechanism, the driving mechanism is used for driving the impeller body 2 to rotate, thereby achieving the purpose of pumping liquid, the driving mechanism and the adjusting mechanism are mutually matched, the first impeller 21 or the second impeller 22 can be freely selected and driven, the first impeller 21 and the second impeller 22 are symmetrically arranged, the adjusting mechanism can enable the rotation directions of the first impeller 21 and the second impeller 22 to be opposite, thereby achieving the purpose of changing the pumping direction, the impeller body 2 is divided into the first impeller 21 and the second impeller 22, and the first impeller 21 and the second impeller 22 can be separated to operate through the separation of the fixed shell 23, thereby achieving the purpose of pumping water in the forward and reverse directions, compared with the mode of adopting two motors and two impellers, the use is more convenient, the investment of the motors is reduced, the cost of the centrifugal pump is reduced, the connecting sleeve 16 in the driving mechanism is connected with the motor output shaft of the centrifugal pump, when the first impeller 21 is required to rotate, the first electromagnet 3 and the second electromagnet 5 are electrified through the control switch, so that the first electromagnet 3 and the second electromagnet 5 are attracted mutually, the connecting shaft 6 drives the limit gear 17 to move towards the connecting sleeve 16, the limit gear 17 is further clamped with the tooth slot 15 of the first fixed shaft 7, the motor drives the connecting sleeve 16 to rotate at the moment, the connecting sleeve 16 drives the connecting shaft 6 to rotate, the connecting shaft 6 drives the limit gear 17 to rotate, the limit gear 17 drives the first fixed shaft 7 to rotate, and the first fixed shaft 7 drives the first impeller 21 to rotate, thereby the purpose of pumping water is realized, when the second impeller 22 is required to rotate to reversely pump water, the first electromagnet 3 and the second electromagnet 5 are powered off, under the action of the spring 4, the connecting shaft 6 moves towards the direction away from the connecting sleeve 16, so that the limiting gear 17 and the tooth groove 15 on the surface of the first gear 9 are mutually clamped, the limiting gear 17 at the moment can be separated from the first fixed shaft 7, then the motor is started, the motor drives the connecting sleeve 16 to rotate, the connecting sleeve 16 drives the connecting shaft 6 to rotate, the connecting shaft 6 drives the limiting gear 17 to rotate, the limiting gear 17 drives the second fixed shaft 11 to reversely rotate through the adjusting mechanism, the second impeller 22 is driven to reversely rotate, when the second impeller 22 is driven to reversely rotate, the limiting gear 17 is clamped with the tooth groove 15 on the first gear 9, so that the limiting gear 17 drives the first gear 9 to rotate by using the ring frame 8, the first gear 9 drives the second gear 14 to reversely rotate, the second gear 14 synchronously rotates the second rotary disc 12 through the rotary disc 13, the first rotary disc 10 synchronously rotates, the first rotary disc 10 drives the second fixed shaft 11 to reversely rotate, and the second impeller 22 is driven to reversely rotate, so that the purpose of reversely pumping water is not achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multifunctional centrifugal pump impeller, includes pump case (1) and impeller body (2), its characterized in that, impeller body (2) include first impeller (21), second impeller (22) and fixed casing (23), the both sides of fixed casing (23) rotate respectively and are connected with first fixed axle (7) and second fixed axle (11), the fixed cover of first impeller (21) is established on the surface of first fixed axle (7), the fixed cover of second impeller (22) is established on the surface of second fixed axle (11), the inside of first fixed axle (7) is provided with the actuating mechanism that is used for driving first fixed axle (7) or second fixed axle (11) to carry out pivoted, the inside of fixed casing (23) is provided with the adjustment mechanism that is used for making second impeller (22) reverse rotation, first impeller (21) and second impeller (22) symmetry set up, impeller body (2) set up in the inside of pump case (1), the inside of pump case (1) is divided into three cavity, fixed installation is located two left and right side impeller (21) and second impeller (22) respectively.

2. The multifunctional centrifugal pump impeller according to claim 1, wherein the driving mechanism comprises a connecting sleeve (16), a spring (4), a first electromagnet (3), a second electromagnet (5), a connecting shaft (6) and a limiting gear (17), the limiting gear (17) is fixedly arranged at a port of the connecting shaft (6), the connecting shaft (6) movably penetrates through the first fixed shaft (7), the connecting sleeve (16) is slidably sleeved at one end, far away from the limiting gear (17), of the connecting shaft (6), two ends of the spring (4) are fixedly connected with the connecting shaft (6) and the inner wall of the connecting sleeve (16) respectively, and the first electromagnet (3) and the second electromagnet (5) are fixedly arranged inside the connecting sleeve (16) and at the port of the connecting shaft (6) respectively.

3. The multifunctional centrifugal pump impeller according to claim 2, wherein the first electromagnet (3) and the second electromagnet (5) are of annular structures, and the first electromagnet (3) and the second electromagnet (5) are sleeved on the surface of the spring (4).

4. A multifunctional centrifugal pump impeller according to claim 3, characterized in that the adjusting mechanism comprises a rotating shaft (13), the rotating shaft (13) is rotatably connected inside a fixed shell (23), a second gear (14) and a second rotary table (12) are fixedly arranged on the surface of the rotating shaft (13), a circular ring frame (8) is rotatably connected inside the fixed shell (23), a first gear (9) is fixedly arranged at a port of the circular ring frame (8), the first gear (9) is meshed with the second gear (14), a first rotary table (10) is fixedly arranged at a port of the second fixed shaft (11) inside the fixed shell (23), and the first rotary table (10) is connected with the second rotary table (12) through belt transmission.

5. The multifunctional centrifugal pump impeller according to claim 4, wherein the first fixed shaft (7) is positioned at the port inside the fixed shell (23) and the surface of the first gear (9) are provided with tooth grooves (15) which are matched with the size of the limiting gear (17).

6. The multifunctional centrifugal pump impeller according to claim 5, wherein the ring frame (8) is sleeved on the surface of the connecting shaft (6), and the limiting gear (17) is positioned inside the ring frame (8).