CN220285989U

CN220285989U - Booster pump

Info

Publication number: CN220285989U
Application number: CN202321941497.8U
Authority: CN
Inventors: 周兴华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-01-02
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a booster pump, which comprises a shell, a motor, a pump body and a control module, wherein the pump body comprises an impeller, the motor comprises a rotor and a stator, the motor comprises an isolation device, the isolation device is positioned between the stator and the rotor to ensure that the stator and the rotor are not communicated with each other, the isolation device comprises a first accommodating cavity and a second accommodating cavity, the rotor is arranged in the first accommodating cavity, the second accommodating cavity is provided with a second convex column, a mounting cavity is formed by the outer side wall of the second convex column and the inner side wall of the second accommodating cavity, and the stator is arranged in the mounting cavity; through setting up isolating device and making the motor have waterproof function, motor overall structure is compact, and space utilization is high.

Description

Booster pump

Technical Field

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

Background

In daily life, the problems of poor experience caused by insufficient water pressure and small water flow rate can be frequently encountered when people use water, and even the problems that related equipment in a pipeline cannot work normally and the like can occur. For example, when using a gas water heater, it may be encountered that the water flow is too small to ignite, and it is necessary to use a booster pump to boost the piping system.

The stator and the rotor of the motor in the booster pump in the market are communicated and are not separated, and when the pump body works, water easily enters the rotor and the stator and does not have a waterproof function; and the motor is inconvenient to fix in the position in the pump, inconvenient to install, or the used fixing piece occupies a relatively large space, so that the space utilization rate in the pump is not high.

Disclosure of Invention

In order to solve the defects in the prior art, the booster pump is provided, and the motor has the characteristics of waterproof function, compact structure and convenience in installation.

The utility model is realized by adopting the following technical scheme:

the utility model provides a booster pump, includes casing, motor, the pump body, control module, be equipped with the cavity in the casing, the motor the pump body the control module installs in the cavity, the motor with control module electric connection, the pump body includes the impeller, the motor includes rotor and stator, the impeller with the rotor is connected, the motor includes isolating device, isolating device is located the stator with make between the rotor the stator with the rotor is not linked together each other, isolating device includes first holding chamber and second holding chamber, first holding chamber bottom is equipped with first projection, rotor one end is equipped with first recess, the rotor install in first holding chamber, first projection with first recess adaptation, the second holding chamber is equipped with the second projection, the second projection lateral wall with the space between the second holding chamber inside wall forms the installation chamber, the stator install in the chamber, first holding chamber bottom wall and second projection coincidence.

Further, the first accommodating cavity and the second convex column are cylindrical, the center lines are positioned on the same straight line, and the diameter of the circular cross section of the opening of the first accommodating cavity is the same as that of the circular cross section of the second convex column.

Further, a second groove is formed in one end of the isolation device and is communicated with the opening of the first accommodating cavity, the impeller is accommodated in the second groove, and the bottom surface of the second groove and the opening of the first accommodating cavity are located on the same horizontal plane.

Further, a first mounting through hole is formed in the periphery of the isolation device, a second mounting through hole is correspondingly formed in the pump body, and bolts penetrate through the first mounting through hole and the second mounting through hole to enable the pump body to be fixedly connected with the isolation device.

Further, the pump body is provided with a third accommodating cavity, and when the isolating device is connected with the pump body, the impeller is at least partially positioned in the third accommodating cavity.

Further, one end of the pump body extends outwards to form a water outlet part, the water outlet part is hollow and communicated with the third accommodating cavity, and a diversion trench is arranged at the communication position of the water outlet part and the third accommodating cavity.

Further, the center line of the water outlet part is eccentrically arranged relative to the center line of the pump body.

Further, the pump body is provided with a fourth accommodating cavity, a turbine is arranged in the fourth accommodating cavity, a magnetic part is connected to the turbine, a Hall sensor is arranged in the cavity, and the Hall sensor is correspondingly arranged with the magnetic part and is in signal connection with the control module.

Further, one end of the pump body extends outwards to form a water inlet part, and the water inlet part is hollow and communicated with the fourth accommodating cavity.

Further, the water inlet part and the outer side wall of the water outlet part are provided with threads.

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

the stator and the rotor of the motor are not communicated by arranging the isolating device, and when the booster pump works, water flow can not contact the stator when passing through the impeller, so that the motor has a waterproof function; and through being equipped with first holding chamber, second holding chamber, first projection, second projection on isolating device, make stator and rotor easy to assemble and fix on isolating device, make motor overall structure compact, space utilization is high.

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 view of the outer structure of a housing of a booster pump according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a booster pump housing of the utility model;

FIG. 3 is a partial exploded view a of the motor and pump body of FIG. 2;

FIG. 4 is a schematic diagram of the isolation device of FIG. 2;

fig. 5 is a partial exploded view b of the motor and pump body of fig. 2.

Detailed Description

In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present utility model easy to understand, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be manufactured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-5, the booster pump of the present utility model comprises a casing 4, a motor 1, a pump body 2, and a control module 5, wherein the casing 4 comprises a left half-shell and a right half-shell, which are fixed by screws, a cavity 41 is formed in the casing 4, the motor 1, the pump body 2, and the control module 5 are all installed in the cavity 41, the motor 1 is electrically connected with the control module 5, the control module 5 comprises a control electric plate and a control switch, the pump body 2 comprises an impeller 21, the motor 1 comprises a rotor 11 and a stator 12, the impeller 21 is connected with the rotor 11, the impeller 21 can be driven to rotate when the rotor 11 rotates, the motor 1 further comprises an isolation device 3, the isolation device 3 is positioned between the stator 12 and the rotor 11 to enable the stator 12 and the rotor 11 not to be communicated with each other, a first accommodating cavity 31 and a second accommodating cavity 32 are respectively arranged at the left side and the right side of the isolation device 3, the rotor 11 is installed in the first accommodating cavity 31, the stator 12 is installed in the second accommodating cavity 32, and the first accommodating cavity 31 and the second accommodating cavity 32 are not communicated with each other, so that the stator 12 and the rotor 11 are not communicated with each other, when the motor 1 and the rotor 11 are in operation, and the impeller 21 are not contacted with each other, and water flow can not pass through the impeller 21, and the impeller 1 when the impeller is in operation, and the water can not pass through the impeller.

Specifically, the bottom of the first accommodating cavity 31 is provided with a first convex column 311, the bottom of the rotor 11 is provided with a first groove 111, and when the rotor 11 is installed in the first accommodating cavity 31, the first convex column 311 is matched with the first groove 111, so that the rotor 11 is stably installed in the first accommodating cavity 31, the installation is convenient, and the space is saved.

Specifically, the second accommodating cavity 32 is provided with a second protruding post 321, a space between the outer side wall of the second protruding post 321 and the inner side wall of the second accommodating cavity 32 forms an installing cavity 33, the stator 12 is installed in the installing cavity 33, and thus the stator 12 is stably installed in the installing cavity 33, the installation is convenient, and the space is saved.

Specifically, the bottom wall of the first accommodating cavity 31 coincides with the top wall of the second protruding column 321, that is, the first accommodating cavity 31 and the second protruding column 321 are respectively located at the left side and the right side of the isolating device 3, the rotor 11 is installed in the first accommodating cavity 31, the stator 12 is installed at the outer side of the second protruding column 321, the stator 12 and the rotor 11 are isolated, so that the stator 12 and the rotor 11 are not communicated with each other, space is saved, the whole structure of the motor 1 is compact, and the installation and the fixation are convenient.

Preferably, the first accommodating cavity 31 and the second protruding pillar 321 are both cylindrical, and the center lines are located on the same straight line, and the diameter of the circular cross section of the opening of the first accommodating cavity 31 is the same as the diameter of the circular cross section of the second protruding pillar 321.

Preferably, one end of the isolation device 3 is provided with a second groove 34, the second groove 34 is in open communication with the first accommodating cavity 31, the impeller 21 is accommodated in the second groove 34, and the bottom surface of the second groove 34 and the opening of the first accommodating cavity 31 are positioned on the same horizontal plane.

Preferably, the periphery of the isolation device 3 is provided with a first mounting through hole 35, the pump body 2 is correspondingly provided with a second mounting through hole 22, and the pump body 2 is fixedly connected with the isolation device 3 through bolts passing through the first mounting through hole 35 and the second mounting through hole 22.

Preferably, the pump body 2 is provided with a third accommodation chamber 23, and the impeller 21 is at least partially located in the third accommodation chamber 23 when the isolation device 3 is connected with the pump body 2.

Preferably, one end of the pump body 2 extends outwards to form a water outlet portion 24, the water outlet portion 24 is hollow and is communicated with the third accommodating cavity 23, and a diversion trench 241 is arranged at the communication position of the water outlet portion 24 and the third accommodating cavity 23.

Specifically, the diversion trench 241 is provided, so that the water flow can more easily flow out of the third accommodation cavity 23.

Preferably, the centerline of the water outlet 24 is disposed eccentrically with respect to the pump body 2 centerline.

Specifically, the water outlet portion 24 is eccentrically disposed, so that water flows out of the third accommodating chamber 23 more easily.

Preferably, the pump body 2 is provided with a fourth accommodating cavity 25, a turbine 251 is installed in the fourth accommodating cavity 25, a magnetic piece 252 is connected to the turbine 251, a hall sensor 42 is arranged in the cavity 41, and the hall sensor 42 is correspondingly arranged with the magnetic piece 252 and is in signal connection with the control module 5.

Specifically, the water flow flowing from the water inlet 26 to the water outlet 24 of the pump body 2 pushes the turbine 251 to rotate, the larger the water flow is, the faster the rotating speed of the turbine 251 is, the higher the rotating speed of the ring magnet on the turbine 251 is, the frequency of the flow signal generated by the hall sensor 42 is, in the measuring range, the frequency signal and the water flow have a corresponding relation, the flow can be detected through the data processing of the control board of the automatic booster pump connected with the hall sensor 42, the control of the start and stop of the water pump is realized, when the water flow is small, the booster pump is started, the water pressure of the pipeline achieves the expected effect, when the water flow is large and even exceeds the expected pressure, the booster pump stops working, the operation is simple and convenient, and the user experience is improved.

Preferably, one end of the pump body 2 extends outwards to form a water inlet part 26, and the water inlet part 26 is hollow and is communicated with the fourth accommodating cavity 25.

Preferably, the outer side walls of the water inlet 26 and the water outlet 24 are provided with threads 27.

In particular, the provision of the screw thread 27 allows the water pipe to be directly connected thereto when the booster pump is used by a user.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in 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 booster pump, includes casing, motor, the pump body, control module, be equipped with the cavity in the casing, the motor the pump body the control module installs in the cavity, the motor with control module electric connection, the pump body includes the impeller, the motor includes rotor and stator, the impeller with the rotor is connected, its characterized in that, the motor includes isolating device, isolating device is located the stator with make between the rotor the stator with the rotor is mutually non-communicated, isolating device includes first holding chamber and second holding chamber, first holding chamber bottom is equipped with first projection, rotor one end is equipped with first recess, the rotor install in first holding chamber, first projection with first recess adaptation, second holding chamber is equipped with the second projection, the second projection lateral wall with the space between the second holding chamber inside wall forms the installation chamber, the stator install in the first holding chamber with the second roof wall coincidence.

2. The booster pump of claim 1 wherein the first receiving chamber and the second projection are cylindrical and have centerlines that are on a common line, the circular cross-sectional diameter of the first receiving chamber opening being the same as the circular cross-sectional diameter of the second projection.

3. The booster pump of claim 2 wherein a second recess is provided at one end of the isolation device, the second recess being in communication with the first chamber opening, the impeller being received in the second recess, the bottom surface of the second recess being on the same horizontal plane as the first chamber opening.

4. The booster pump of claim 1 wherein the spacer is provided with a first mounting hole on a perimeter thereof, and the pump body is provided with a second mounting hole corresponding thereto, the pump body being fixedly connected to the spacer by bolts passing through the first and second mounting holes.

5. The booster pump of claim 4 wherein said pump body defines a third chamber and said impeller is at least partially disposed within said third chamber when said isolator is coupled to said pump body.

6. The booster pump of claim 5 wherein one end of the pump body extends outwardly to form a water outlet portion, the water outlet portion is hollow and communicates with the third chamber, and a diversion trench is provided at a communication position of the water outlet portion and the third chamber.

7. The booster pump of claim 6 wherein a centerline of the water outlet is disposed eccentrically with respect to the pump body centerline.

8. The booster pump of claim 6 wherein the pump body is provided with a fourth receiving chamber, a turbine is mounted in the fourth receiving chamber, a magnetic member is connected to the turbine, and a hall sensor is disposed in the cavity and corresponds to the magnetic member and is in signal connection with the control module.

9. The booster pump of claim 8 wherein one end of the pump body extends outwardly to form a water inlet portion that is hollow inside and communicates with the fourth receiving chamber.

10. The booster pump of claim 9 wherein said water inlet portion and said water outlet portion outer side wall are threaded.