CN219062009U

CN219062009U - Booster pump

Info

Publication number: CN219062009U
Application number: CN202223356422.1U
Authority: CN
Inventors: 李丽萍
Original assignee: Zhejiang Suoli Industry And Trade Co ltd
Current assignee: Zhejiang Suoli Industry And Trade Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-23
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to a booster pump, which at least comprises a first-stage booster pump and a second-stage booster pump, wherein the first-stage booster pump comprises a first-stage booster pump body and a first motor connected to the first-stage booster pump body, a first pump cavity is arranged in the first-stage booster pump body, a first booster wheel is arranged in the first pump cavity, an output shaft of the first motor is connected with the first booster wheel, a first water inlet pipe and a first water outlet pipe which are communicated with the first pump cavity are also arranged on the first-stage booster pump body, the second-stage booster pump comprises a second-stage booster pump body and a second motor connected to the second-stage booster pump body, a second pump cavity is arranged in the second-stage booster pump body, an output shaft of the second motor is connected with the second booster wheel, a second water outlet pipe and a second water inlet pipe which are communicated with the second pump cavity are also arranged on the second-stage booster pump body, and an outlet end of the first water outlet pipe is connected with an inlet end of the second water inlet pipe. The utility model adopts a double-pump structure, so that the supercharging effect of the booster pump is stronger.

Description

Booster pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a booster pump.

Background

The booster pump is often used in daily life, and the main applications of the booster pump include water heater pressurization, high building low water pressure, sauna, bath and other pressurization applications, pressurization of insufficient water pressure at the uppermost layer of an apartment, solar automatic pressurization, reverse osmosis water purifier pressurization and the like.

However, most of booster pumps in the prior art adopt a single pump structure, and the booster pump with the single pump structure has the defects of insufficient pressure when being used on a high floor because the power of the booster pump is fixed, and the booster pump with higher power is replaced at the moment, but the booster pump with higher power is replaced, so that the booster pump is necessarily required to use a motor with higher power, and the noise generated by the motor with higher power during working is extremely large, so that the booster pump is very inconvenient to use.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a booster pump which has good boosting effect and can reduce noise.

The aim of the utility model is realized by the following technical scheme:

the booster pump at least comprises a first-stage booster pump and a second-stage booster pump, wherein the first-stage booster pump comprises a first-stage booster pump body and a first motor connected to the first-stage booster pump body, a first pump cavity is formed in the first-stage booster pump body, a first boosting wheel is installed in the first pump cavity, an output shaft of the first motor is connected with the first boosting wheel, a first water inlet pipe and a first water outlet pipe which are communicated with the first pump cavity are further formed in the first-stage booster pump body, the second-stage booster pump comprises a second-stage booster pump body and a second motor connected to the second-stage booster pump body, a second pump cavity is formed in the second-stage booster pump body, an output shaft of the second motor is connected with the second boosting wheel, a second water outlet pipe and a second water inlet pipe which are communicated with the second pump cavity are further arranged on the second-stage booster pump body, and an outlet end of the first water outlet pipe is connected with an inlet end of the second water inlet pipe.

Further, the first water inlet pipe is perpendicular to the first water outlet pipe, and the second water outlet pipe is perpendicular to the second water inlet pipe.

Further, the central axis of the first water inlet pipe is perpendicular to the longitudinal section of the first pump cavity, the central axis of the first water outlet pipe is perpendicular to the transverse section of the first pump cavity, the central axis of the second water outlet pipe is perpendicular to the longitudinal section of the second pump cavity, and the central axis of the second water inlet pipe is perpendicular to the transverse section of the second pump cavity.

Further, the central axis of the first water inlet pipe is parallel to the central axis of the second water outlet pipe, and the inlet end of the first water inlet pipe and the outlet end of the second water outlet pipe are positioned on the same side.

Further, the first pump cavity is axially arranged along the central axis of the first water inlet pipe, and the second pump cavity is axially arranged along the central axis of the second water inlet pipe.

Further, the three-stage pressurizing pump comprises a three-stage pressurizing pump body and a third motor, a third pump cavity is formed in the three-stage pressurizing pump body, a third pressurizing wheel is installed in the third pump cavity, an output shaft of the third motor is connected with the third pressurizing wheel, a third water outlet pipe and a third water inlet pipe which are communicated with the third pump cavity are further arranged on the three-stage pressurizing pump body, one end of the connecting pipe is connected with an outlet end of the second water outlet pipe, and the other end of the connecting pipe is connected with an inlet end of the third water inlet pipe.

Further, the third water inlet pipe is perpendicular to the third water outlet pipe.

Further, the central axis of the third water outlet pipe is perpendicular to the longitudinal section of the third pump cavity, and the central axis of the third water inlet pipe is perpendicular to the transverse section of the third pump cavity.

Further, the third pump cavity is axially arranged along the central axis of the third water inlet pipe.

Further, the central axis of the first water inlet pipe and the central axis of the second water outlet pipe are parallel to the central axis of the third water outlet pipe, and the inlet end of the first water inlet pipe and the outlet end of the third water outlet pipe are positioned on the same side.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, through the structure that the first-stage booster pump body and the second-stage booster pump body are connected, the utility model can adapt to the use scene of a high floor when the pump pressure of a booster pump is increased, and the first-stage booster pump body and the second-stage booster pump body both adopt motors with lower power, so that the pump pressure can be increased and the noise can be reduced when the pump is operated.

Drawings

Fig. 1 is a schematic perspective view of a booster pump according to the present utility model.

Figure 2 is a schematic diagram of the front view of the booster pump of the present utility model.

Fig. 3 is a schematic diagram showing an exploded structure of the booster pump of the present utility model.

Fig. 4 is a schematic diagram showing an exploded structure of the booster pump of the present utility model.

Figure 5 is a schematic diagram of the front view of the booster pump of the present utility model using three pump bodies.

Fig. 6 is a schematic diagram showing an exploded structure of a pump body of a three-stage booster pump according to the present utility model.

Fig. 7 is a schematic diagram showing an exploded structure of a pump body of a three-stage booster pump according to the present utility model.

Detailed Description

The utility model is described in further detail below with reference to examples given in the accompanying drawings.

As shown in fig. 1 to 7, the present embodiment provides a booster pump including a primary booster pump 1 and a secondary booster pump 2. The first-stage booster pump 1 includes a first-stage booster pump body 11 and a first motor 12 connected to the first-stage booster pump body 11. A first pump cavity 13 is arranged in the first-stage booster pump body 11, a first booster wheel 131 is arranged in the first pump cavity 13, and an output shaft of the first motor 12 is connected with the first booster wheel 131 and can drive the first booster wheel 131 to rotate. The first-stage booster pump body 11 is also provided with a first water inlet pipe 14 and a first water outlet pipe 15 which are communicated with the first pump cavity 13, and the first water inlet pipe 14 and the first water outlet pipe 15 are mutually perpendicular. The second-stage booster pump 2 includes a second-stage booster pump body 21 and a second motor 22 connected to the second-stage booster pump body 21. A second pump cavity 23 is arranged in the second-stage booster pump body 21, a second booster wheel 231 is arranged in the second pump cavity 23, and an output shaft of the second motor 22 is connected with the second booster wheel 231 and can drive the second booster wheel 231 to rotate. The second-stage booster pump body 21 is also provided with a second water outlet pipe 24 and a second water inlet pipe 25 which are communicated with the second pump cavity 23, and the second water outlet pipe 24 is mutually perpendicular to the second water inlet pipe 25. The outlet end 17 of the first outlet pipe 15 is connected to the inlet end 27 of the second inlet pipe 25.

As described above, the central axis of the first water inlet pipe 14 is perpendicular to the longitudinal section of the first pump chamber 13, and the central axis of the first water outlet pipe 15 is perpendicular to the transverse section of the first pump chamber 13. The central axis of the second water outlet pipe 24 is perpendicular to the longitudinal section of the second pump chamber 23, and the central axis of the second water inlet pipe 25 is perpendicular to the transverse section of the second pump chamber 23.

As described above, the central axis of the first inlet pipe 14 and the central axis of the second outlet pipe 24 are parallel to each other, and the inlet end 16 of the first inlet pipe 14 and the outlet end 26 of the second outlet pipe 24 are located on the same side.

As described above, the first pump chamber 13 is axially disposed along the central axis of the first water inlet pipe 14, and the second pump chamber 23 is axially disposed along the central axis of the second water inlet pipe 25.

As described above, specifically, the first motor 12 includes the first rotor 121, the first stator 122, the first fixed shaft 123, and the first motor housing 124, the first rotor 121 is installed in the first motor housing 124 through the first fixed shaft 123, one end of the first fixed shaft 123 is fixed to the first motor housing 124, and the other end of the first fixed shaft 123 is fixed to the first pump chamber 13. The first stator 122 is installed in the first motor housing 124 and is wrapped around the first rotor 121, the first motor housing 124 is connected to the first-stage booster pump 11, and the first booster wheel 131 is integrally connected to the first rotor 121.

As described above, specifically, the second motor 22 includes the second rotor 221, the second rotor 222, the second fixed shaft 223, and the second motor housing 224, the second rotor 221 is installed in the second motor housing 224 through the second fixed shaft 223, one end of the second fixed shaft 223 is fixed to the second motor housing 224, and the other end of the second fixed shaft 223 is fixed to the second pump chamber 23. The second stator 222 is installed in the second motor housing 224 and is wrapped around the second rotor 221, the second motor housing 224 is connected to the second booster pump body 21, and the second booster wheel 231 is integrally connected to the second rotor 221.

In summary, the working principle of the booster pump in this example is as follows: when the first motor 12 is driven, the first rotor 121 rotates around the axis of the first fixed shaft 123, and simultaneously drives the first pressurizing wheel 131 integrally connected with the first rotor 121 to rotate. The first pressurizing wheel 131 generates suction force when rotating, and the suction force can enable water flow to be sucked into the first water inlet pipe 14 from the inlet end 16 of the first water inlet pipe 14 and guided into the first pump cavity 13 through the first water inlet pipe 14, and then the water flow in the first pump cavity 13 is discharged to the first water outlet pipe 15 and flows out from the outlet end 17 of the first water outlet pipe 15. At this time, the second motor 22 is driven to rotate the second rotor 221 around the axis of the second fixing shaft 223, and simultaneously drives the second pressurizing wheel 231 integrally connected with the second rotor 221 to rotate. The second pressurizing wheel 231 generates a suction force when rotating, and the suction force can enable the water flowing out of the outlet end 17 of the first water outlet pipe 15 to be sucked into the second water inlet pipe 25 from the inlet end 27 of the second water inlet pipe 25 and be led into the second pump cavity 23 through the second water inlet pipe 25, and then the water flowing in the second pump cavity 23 is discharged to the second water outlet pipe 24 and flows out of the outlet end 26 of the second water outlet pipe 24. By adopting such a structure in which the primary booster pump 1 and the secondary booster pump 2 are connected, noise generation is reduced while a booster effect is brought about to the water flow.

As described above, the three-stage booster pump 3 and the connection pipe 4 are also included. The three-stage booster pump 3 includes a three-stage booster pump body 31 and a third motor 32. A third pump cavity 33 is arranged in the three-stage booster pump body 31, a third booster wheel 331 is arranged in the third pump cavity 33, and an output shaft of the third motor 32 is connected with the third booster wheel 331 and can drive the third booster wheel 331 to rotate. The third-stage booster pump body 31 is also provided with a third water outlet pipe 34 and a third water inlet pipe 35 which are communicated with the third pump cavity 33, and the third water outlet pipe 34 is mutually perpendicular to the third water inlet pipe 35. One end of the connecting pipe 4 is connected to the outlet end 26 of the second outlet pipe 24, and the other end of the connecting pipe 4 is connected to the inlet end 36 of the third inlet pipe 35. Specifically, the connection pipe 4 is screwed with the outlet end 26 of the second water outlet pipe 24, and the inlet end 36 of the third water inlet pipe 35 is screwed on the connection pipe 4.

As described above, the central axis of the third water outlet pipe 34 is perpendicular to the longitudinal section of the third pump chamber 33, and the central axis of the third water inlet pipe 35 is perpendicular to the lateral section of the third pump chamber 33.

As described above, specifically, the third motor 32 includes the third rotor 321, the third rotor 322, the third fixed shaft 323, and the third motor housing 324, the third rotor 321 is installed in the third motor housing 324 through the third fixed shaft 323, one end of the third fixed shaft 323 is fixed to the third motor housing 324, and the other end of the third fixed shaft 323 is fixed to the third pump chamber 33. The third stator 322 is installed in the third motor housing 324 and is wrapped around the third rotor 321, the third motor housing 324 is connected with the pump body 31 of the three-stage booster pump, and the third booster wheel 331 is connected with the third rotor 321 into a whole.

As described above, the third pump chamber 33 is axially disposed along the central axis of the third water inlet pipe 35.

As described above, the central axis of the first water inlet pipe 14 and the central axis of the second water outlet pipe 24 are both parallel to the central axis of the third water outlet pipe 34, and the inlet end 16 on the first water inlet pipe 14 is on the same side as the outlet end 37 of the third water outlet pipe 34.

In summary, the working principle of the booster pump in this example is as follows: when the first motor 12 is driven, the first rotor 121 rotates around the axis of the first fixed shaft 123, and simultaneously drives the first pressurizing wheel 131 integrally connected with the first rotor 121 to rotate. The first pressurizing wheel 131 generates suction force when rotating, and the suction force can enable water flow to be sucked into the first water inlet pipe 14 from the inlet end 16 on the first water inlet pipe 14 and guided into the first pump cavity 13 through the first water inlet pipe 14, and then the water flow in the first pump cavity 13 is discharged to the first water outlet pipe 15 and flows out from the outlet end 17 of the first water outlet pipe 15. At this time, the second motor 22 is driven to rotate the second rotor 221 around the axis of the second fixing shaft 223, and simultaneously drives the second pressurizing wheel 231 integrally connected with the second rotor 221 to rotate. The second pressurizing wheel 231 generates a suction force when rotating, and the suction force can enable the water flowing out of the outlet end 17 of the first water outlet pipe 15 to be sucked into the second water inlet pipe 25 from the inlet end 27 of the second water inlet pipe 25 and be led into the second pump cavity 23 through the second water inlet pipe 25, and then the water flowing in the second pump cavity 23 is discharged to the second water outlet pipe 24 and flows out of the outlet end 26 of the second water outlet pipe 24. At this time, the third motor 32 drives the third rotor 321 to rotate around the axis of the third fixed shaft 323, and simultaneously drives the third pressurizing wheel 331 integrally connected to the third rotor 321 to rotate. The third pressurizing wheel 331 generates a suction force when rotated, and the suction force sucks the water flowing out of the outlet end 26 of the second water outlet pipe 24 into the connecting pipe 4, sucks the water sucked into the connecting pipe 4 into the third water inlet pipe 35 from the inlet end 36 of the third water inlet pipe 35, and then guides the water into the third pump chamber 33 through the third water inlet pipe 35. At this time, the water introduced into the third pump chamber 33 is discharged to the third water outlet pipe 34 and flows out from the outlet end 37 of the third water outlet pipe 34. By adopting such a structure in which the first-stage booster pump 1, the second-stage booster pump 2, and the third-stage booster pump 3 are connected in order, noise generation is reduced while a booster effect is brought to the water flow.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.

Claims

1. A booster pump, characterized in that: the pressure pump comprises a first pressure pump body and a second pressure pump body, wherein the first pressure pump body comprises a first pressure pump body and a first motor connected to the first pressure pump body, a first pump cavity is arranged in the first pressure pump body, a first pressurizing wheel is arranged in the first pump cavity, an output shaft of the first motor is connected with the first pressurizing wheel, a first water inlet pipe and a first water outlet pipe which are communicated with the first pump cavity are further arranged on the first pressure pump body, the second pressure pump body comprises a second pressure pump body and a second motor connected to the second pressure pump body, a second pump cavity is arranged in the second pressure pump body, a second pressurizing wheel is arranged in the second pump cavity, an output shaft of the second motor is connected with the second pressurizing wheel, a second water outlet pipe and a second water inlet pipe which are communicated with the second pump cavity are further arranged on the second pressure pump body, and an outlet end of the first water outlet pipe is connected with an inlet end of the second water inlet pipe.

2. A booster pump according to claim 1, wherein: the first water inlet pipe is mutually perpendicular to the first water outlet pipe, and the second water outlet pipe is mutually perpendicular to the second water inlet pipe.

3. A booster pump according to claim 2, wherein: the central axis of the first water inlet pipe is perpendicular to the longitudinal section of the first pump cavity, the central axis of the first water outlet pipe is perpendicular to the transverse section of the first pump cavity, the central axis of the second water outlet pipe is perpendicular to the longitudinal section of the second pump cavity, and the central axis of the second water inlet pipe is perpendicular to the transverse section of the second pump cavity.

4. A booster pump according to claim 3, wherein: the central axis of the first water inlet pipe is parallel to the central axis of the second water outlet pipe, and the inlet end of the first water inlet pipe and the outlet end of the second water outlet pipe are positioned on the same side.

5. A booster pump according to claim 3 or 4, wherein: the first pump cavity is axially arranged along the central axis of the first water inlet pipe, and the second pump cavity is axially arranged along the central axis of the second water inlet pipe.

6. A booster pump according to claim 1, wherein: the three-stage pressurizing pump comprises a three-stage pressurizing pump body and a third motor, wherein a third pump cavity is formed in the three-stage pressurizing pump body, a third pressurizing wheel is installed in the third pump cavity, an output shaft of the third motor is connected with the third pressurizing wheel, a third water outlet pipe and a third water inlet pipe which are communicated with the third pump cavity are further arranged on the three-stage pressurizing pump body, one end of the connecting pipe is connected with an outlet end of the second water outlet pipe, and the other end of the connecting pipe is connected with an inlet end of the third water inlet pipe.

7. A booster pump as defined in claim 6, wherein: the third water inlet pipe is perpendicular to the third water outlet pipe.

8. A booster pump as defined in claim 7, wherein: the central axis of the third water outlet pipe is perpendicular to the longitudinal section of the third pump cavity, and the central axis of the third water inlet pipe is perpendicular to the transverse section of the third pump cavity.

9. A booster pump according to claim 7 or 8, wherein: the third pump cavity is axially arranged along the central axis of the third water inlet pipe.

10. A booster pump as defined in claim 6, wherein: the central axis of the first water inlet pipe and the central axis of the second water outlet pipe are parallel to the central axis of the third water outlet pipe, and the inlet end of the first water inlet pipe and the outlet end of the third water outlet pipe are positioned on the same side.