CN216077610U

CN216077610U - Noise reduction water pump

Info

Publication number: CN216077610U
Application number: CN202122015526.5U
Authority: CN
Inventors: 李玉
Original assignee: Guangdong Yunya Electric Appliance Co ltd
Current assignee: Guangdong Yunya Electric Appliance Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-18
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a noise reduction water pump which comprises a rotor assembly, a stator assembly and a pump shell, wherein the rotor assembly comprises a rotor and a rotor shell, a rotor inner cavity is formed in the rotor shell, and the rotor is transversely and rotatably arranged in the rotor inner cavity; the stator assembly comprises a stator core and a stator shell, the stator core is arranged on the outer side of the rotor shell and is connected with the rotor assembly through the stator core; the pump case forms on rotor case's opening, be formed with at least one exhaust portion on it, exhaust portion and rotor inner chamber intercommunication, the gas that seals up the deposit in the rotor inner chamber is discharged outside the water pump, to the different installation position of water pump among the practical application, the exhaust hole sets up a plurality ofly, one of a plurality of exhaust holes that each installation position corresponds is in the highest position of pump case terminal surface, make the commonality of water pump installation higher, satisfy under the different position installation state, the gas that seals up in the discharge water pump that all can be thorough, it is big to solve the noise that the aqueous vapor mixture caused in the course of the work, inefficiency scheduling problem.

Description

Noise reduction water pump

Technical Field

The utility model belongs to the technical field of water pump equipment, and particularly relates to a noise reduction water pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported.

The existing water pump is not provided with an exhaust device, certain air can be contained in a pipeline and a pump body in the common use process, certain influence can be brought to the pressure difference of the inlet and the outlet of the water pump due to the phenomenon, the water pump lift is shortened, the working noise is large, water cannot be conveyed normally, and the working efficiency of the water pump in the use process is reduced seriously.

Disclosure of Invention

The utility model aims to provide a noise reduction water pump, which aims to solve the problems that in the prior art, a certain amount of gas is sealed in the pump when water is used, so that the lift of the water pump is shortened, the working noise is high, the working efficiency is low and the like.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides a noise reduction water pump, which comprises:

the rotor assembly comprises a rotor and a rotor shell, one end of the rotor shell is open, a rotor inner cavity is formed inside the rotor shell, and the rotor is transversely and rotatably arranged in the rotor inner cavity;

the stator assembly comprises a stator core and a stator shell, the stator core is arranged outside the rotor shell, is distributed on the periphery of the inner cavity of the rotor and is connected with the rotor assembly through the stator core;

and the pump shell is formed on the opening of the rotor shell, and at least one exhaust part is formed on the pump shell and communicated with the rotor inner cavity for exhausting gas in the rotor inner cavity.

In some embodiments of the present application, the rotor housing includes a mounting plate, a rotating housing, and a positioning portion formed on the rotating housing, the rotating housing and the positioning portion are fixed on the mounting plate, and the rotor cavity is formed in the rotating housing.

In some embodiments of the present application, the rotating housing is a cylindrical structure, and an annular mounting gap is formed between the rotating housing and the positioning portion, for mounting the stator core.

In some embodiments of the present application, the mounting plate further has two limiting portions extending downward, and the stator core is positioned between the two limiting portions.

In some embodiments of the present application, the air discharge portion is a communication hole formed in an end surface of the pump housing, the communication hole is detachably connected with an air discharge pipe, and in an operating state, one of the communication holes is located at the highest position of the end surface of the pump housing.

In some embodiments of the present application, the stator housing is a shell structure with an opening at one end, and two opposite sides of the stator housing are formed with mounting groove structures extending downward from the opening of the stator housing.

In some embodiments of the present application, a bearing cover is formed between the opening of the rotor housing and the rotor, and a first bearing is connected between the rotor and the bearing cover.

In some embodiments of this application, the rotor stretches into the one end of rotor inner chamber is connected with the second bearing, through the rotatable installation of second bearing is in the rotor inner chamber, first bearing and second bearing are favorable to guaranteeing that the rotation process is smooth and easy.

In some embodiments of the present application, an impeller is installed at an end of the rotor extending out of the inner cavity of the rotor, and an impeller cavity is formed in the pump casing, and in an installation state, the impeller is located in the impeller cavity.

In some embodiments of the present application, the pump housing has a water inlet and a water outlet formed thereon.

Compared with the prior art, the utility model has the advantages and positive effects that:

the application relates to a water pump of making an uproar falls, its pump case is connected on the opening of rotor shell, and is formed with at least one exhaust hole on it, and the impeller cavity and the rotor inner chamber of pump case are linked together, and the gas that seals up in the rotor inner chamber is discharged outside the water pump, and under the installation state, the position in exhaust hole is located the terminal surface highest position of pump case, guarantees that the gas in the impeller cavity of pump case can discharge completely.

To the multiple installation position in the actual process, the exhaust hole sets up a plurality ofly, and any installation position can satisfy one of a plurality of exhaust holes and be in the highest position of pump case terminal surface for the commonality of water pump installation is higher, satisfies under the different position installation states, and the gas of sealing up in the thorough drainage water pump solves noise big, the water pump lift that the water-air mixture caused in the working process shortens, the inefficiency scheduling problem.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a noise reduction water pump according to an embodiment of the present invention;

FIG. 2 is a top view of one embodiment of the present invention;

FIG. 3 is a sectional view A-A of FIG. 2;

FIG. 4 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 5 is one of the pump casing structural schematics;

FIG. 6 is a second schematic view of the pump housing construction;

FIG. 7 is a schematic view of a rotor housing construction;

FIG. 8 is a schematic view of the internal structure of the rotor housing;

FIG. 9 is a schematic view of a stator housing construction;

FIG. 10 is a schematic view of the stator core and stator housing installation;

in the figure, the position of the upper end of the main shaft,

100. a pump housing;

110. an exhaust section;

120. an exhaust pipe;

130. an impeller cavity;

140. a water inlet;

150. a water outlet;

200. a rotor assembly;

210. a rotor; 211. an impeller; 212. a bearing end cap; 213. a second bearing;

220. a rotor housing; 221. mounting a plate; 2211. a limiting part; 222. rotating the housing; 2221. an inner cavity of the rotor; 223. a positioning part; 224. a mounting gap;

300. a stator assembly;

310. a stator core;

320. a stator housing; 321. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

As shown in fig. 1 to 4, the present embodiment provides a noise reduction water pump, which includes a rotor assembly 200, a stator assembly 300, and a pump housing 100, wherein the rotor assembly 200 includes a rotor 210 and a rotor housing 220, one end of the rotor housing 220 is open, a rotor inner cavity 2221 is formed inside the rotor housing, the rotor 210 is installed in the rotor inner cavity 2221 from the opening of the rotor housing 220, and in an operating state, the rotor 210 is installed transversely in the rotor inner cavity 2221 and can rotate freely in the rotor inner cavity 2221.

The stator assembly 300 mainly functions to generate an induced magnetic field, and includes a stator core 310 and a stator housing 320, the stator core 310 is disposed outside the rotor housing 220 and distributed on the periphery of the rotor inner cavity 2221, and the rotor 210 cuts the induced magnetic field generated by the stator assembly 300 during the rotation process in the rotor inner cavity 2221.

As shown in fig. 5 and 6, a pump housing 100 is mounted on an opening of the rotor housing 220, a water inlet 140 and a water outlet 150 are formed on the pump housing 100, the fluid is delivered into the pump housing 100 from the water inlet 140, and is delivered to a target position from the water outlet 150 under the action of a water pump, at least one exhaust part 110 is formed on the pump housing 100, and the exhaust part 110 is communicated with the rotor cavity 2221 and is used for exhausting gas in the rotor cavity 2221.

The end of the rotor 210 extending out of the rotor inner cavity 2221 is provided with an impeller 211, the pump housing 100 is formed with an impeller cavity 130, and in the installed state, the impeller 211 is located in the impeller cavity 130.

Before the water pump begins to work, there is not the fluid transport in the water pump, the inside is full of gas, after the water pump begins to work, from water inlet 140 input liquid, at this moment, be the gas-liquid mixture state in the water pump, if the gas in the water pump can not in time be discharged, is sealed in the water pump all the time, then the problem at the bottom of the water pump noise is big, efficiency, this scheme sets up the exhaust hole on pump case 100, can in time be with the gas outgoing wherein, effectively reduce noise at work, improve the work efficiency of water pump.

In some embodiments of the present application, in consideration of various installation conditions, the installation direction of the noise reduction water pump is not unique, in order to ensure that a plurality of exhaust portions 110 are formed on the end surface of the pump casing 100 in different installation directions of the noise reduction water pump, one of the exhaust portions 110 is always higher than the position of the water outlet 150 on the pump casing 100 and is at the highest point of the end surface of the pump casing 100 in the installation state, so that the gas enclosed in the water pump can be completely output.

The exhaust part 110 is a communication hole formed on the end surface of the pump case 100, the exhaust pipe 120 is detachably connected to the communication hole, the exhaust part 110 at the highest position is externally connected with the exhaust pipe 120, and the gas sealed in the water pump can be conveyed to the outside to be exhausted.

As shown in fig. 7 to 10, the rotor housing 220 includes a mounting plate 221, a rotating housing 222, and a positioning portion 223 formed on the rotating housing 222, the rotating housing 222 and the positioning portion 223 are fixed on the mounting plate 221, a rotor cavity 2221 is formed in the rotating housing 222, the mounting plate 221 is used as a mounting base, the rotating housing 222 is formed below the mounting plate 221, and the stator core 310 is located between the rotating housing 222 and the positioning portion 223.

Specifically, the rotary case 222 has a cylindrical structure, an annular mounting gap 224 is formed between the rotary case 222 and the positioning portion 223, and the stator core 310 is positioned in the mounting gap 224 and fixed to the outer wall of the rotary case 222.

As shown in fig. 10, two stopper portions 2211 extending downward are further formed on the mounting plate 221, and the stator core 310 is positioned between the two stopper portions 2211.

The stator housing 320 is a shell structure with an opening at one end, the stator housing 320 is connected to the mounting plate 221 of the rotor housing 220, the two opposite sides of the stator housing 320 are formed with mounting grooves 321 extending downward from the opening of the stator housing 320, and the stator core 310 is located in the mounting grooves 321.

In the installation process, the stator core 310 is first fixed on the outer wall of the rotor housing 220, then the stator housing 320 is sleeved on the stator core 310 from the opening position, the stator core 310 is fixed in the installation groove 321, and finally the stator housing 320 is fixed on the installation plate 221.

In other embodiments of the present application, a bearing cover 212 is formed between the opening position of the rotor housing 220 and the rotor 210, a first bearing is connected between the rotor 210 and the bearing cover 212, and a second bearing 213 is connected to an end of the rotor 210 extending into the rotor cavity 2221, and is rotatably mounted in the rotor cavity 2221 through the second bearing 213.

The rotor inner cavity 2221 is connected with the rotor 210 through the first bearing and the second bearing 213, so that smooth rotation of the rotor 210 can be ensured, friction is reduced, accurate positioning in the rotation process of the rotor 210 is facilitated, and offset in the rotation process is reduced.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.

Claims

1. A noise reducing water pump, comprising:

2. The noise-reducing water pump of claim 1,

including mounting panel, rotation shell and formation on the rotor housing rotate location portion on the shell, rotate the shell and location portion is all fixed on the mounting panel, the rotor inner chamber forms rotate in the shell.

3. The noise-reducing water pump of claim 2,

the rotating shell is of a cylindrical structure, and an annular mounting gap is formed between the rotating shell and the positioning portion and used for mounting the stator core.

4. The noise-reducing water pump of claim 2,

still be formed with two spacing portions of downwardly extending on the mounting panel, stator core fixes a position two between the spacing portion.

5. The noise-reducing water pump of claim 1,

the exhaust part is a communication hole formed in the end face of the pump shell, the communication hole is detachably connected with an exhaust pipe, and in a working state, one of the communication holes is located at the highest position of the end face of the pump shell.

6. The noise-reducing water pump of claim 1,

the stator shell is of a shell structure with one open end, and mounting groove structures extending downwards from the opening of the stator shell are formed on two opposite side faces of the stator shell.

7. The noise-reducing water pump of claim 1,

a bearing end cover is formed between the opening position of the rotor shell and the rotor, and a first bearing is connected between the rotor and the bearing end cover.

8. The noise-reducing water pump of claim 1,

and one end of the rotor, which extends into the inner cavity of the rotor, is connected with a second bearing, and the second bearing is rotatably arranged in the inner cavity of the rotor.

9. The noise-reducing water pump of claim 1,

the end of the rotor extending out of the rotor inner cavity is provided with an impeller, the pump shell is provided with an impeller cavity, and the impeller is positioned in the impeller cavity in the installation state.

10. The noise-reducing water pump of claim 1,

a water inlet and a water outlet are formed on the pump shell.