CN114645874A

CN114645874A - Pump assembly

Info

Publication number: CN114645874A
Application number: CN202210139176.XA
Authority: CN
Inventors: 韩元平; 钱亚洲; 陈宝亮; 陈方
Original assignee: Anhui Xinhu Canned Motor Pump Co ltd
Current assignee: Anhui Xinhu Canned Motor Pump Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-06-21

Abstract

The invention belongs to the technical field of water pumps, and particularly relates to a pump assembly, which comprises: the first end of the pump body is provided with a water inlet; the pump cover is arranged at one end of the pump body, which is far away from the water inlet, the top of the pump cover is provided with a water outlet, at least the bottom of the pump cover is provided with a water inlet hole, at least the top of the pump cover is provided with a water return hole, and the water return hole is arranged close to the water outlet; the water-cooling shell, its setting is kept away from one side of the pump body at the pump cover, and the chamber and the water-cooling chamber that hold that the water-cooling shell was provided with hold the chamber and be used for holding rotor and stator, and the liquid of pump body ability can enter into the water-cooling intracavity through the inlet opening, and the liquid of water-cooling intracavity can flow back to the drain outlet department of the pump body through the return water hole. Liquid in the pump body can enter the water cooling cavity through the water inlet hole, and the liquid in the water cooling cavity can flow back to the water outlet of the pump body through the water return hole; liquid in the water-cooling shell can cool down rotor and stator, adopts the liquid in the pump body to cool down rotor and stator, and the specific heat capacity of liquid is higher, and the radiating efficiency is high, and the radiating effect is good.

Description

Pump assembly

Technical Field

The invention belongs to the technical field of water pumps, and particularly relates to a pump assembly.

Background

At present, a water pump usually adopts an air cooling structure, one end of a motor is provided with a fan blade connected to a motor shaft, when the motor runs, the fan blade rotates to drive air to flow, and the air flows to the surface of a heating body, so that cooling is carried out.

However, the fan blades rotate to do work, so that the efficiency of the whole machine is reduced. Additional noise is generated, the specific heat capacity of air is low, and the heat dissipation effect is poor.

Therefore, a pump assembly is needed to solve the above technical problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a pump assembly, wherein the rotor and the stator are cooled by liquid in the pump body, the specific heat capacity of the liquid is higher, the heat dissipation efficiency is high, and the heat dissipation effect is good.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pump assembly, comprising:

the first end of the pump body is provided with a water inlet;

the pump cover is arranged at one end, far away from the water inlet, of the pump body, a water outlet is formed in the top of the pump cover, at least the bottom of the pump cover is provided with a water inlet hole, at least the top of the pump cover is provided with a water return hole, and the water return hole is arranged close to the water outlet;

the water-cooling shell is arranged on one side, away from the pump body, of the pump cover, the water-cooling shell is provided with a containing cavity and a water-cooling cavity, the containing cavity is used for containing a rotor and a stator, liquid of the pump body can enter the water-cooling cavity through the water inlet hole, and the liquid in the water-cooling cavity can flow back to the water outlet of the pump body through the water return hole.

As an optimal technical scheme of a pump package spare, still include the frame, it sets up the pump body is kept away from one side of water inlet, and fix on the pump body, the frame cover is located the outside of water-cooling shell.

As a preferred technical scheme of a pump assembly, still include the impeller, it sets up in the pump body, the first end of the connecting shaft of rotor passes the pump cover and is located in the pump body, the impeller sets up in the first end of connecting shaft.

As a preferred technical scheme of the pump assembly, the impeller is a three-stage impeller.

As a preferred technical scheme of the pump assembly, the water-cooling shell comprises an inner shell and an outer shell sleeved on the outer side of the inner shell, one end, far away from the pump cover, of the inner shell and one end, far away from the pump cover, of the outer shell are connected in a sealing mode, the space between the inner shell and the outer shell forms the water-cooling cavity, and the inner side of the inner shell forms the accommodating cavity.

As a preferable technical solution of the pump assembly, the water-cooled casing further includes a skeleton disposed between the inner casing and the outer casing.

As a preferred technical scheme of the pump assembly, the pump assembly also comprises a circuit board which is arranged above the base.

As a preferred technical scheme of a pump subassembly, pump cover ring is equipped with a plurality of holes of permeating water, wherein the top is close to the discharge port be the return water hole, other are the inlet opening.

Compared with the prior art, the invention has the following beneficial effects:

liquid in the pump body can enter the water cooling cavity through the water inlet hole, and the liquid in the water cooling cavity can flow back to the water outlet of the pump body through the water return hole; liquid in the water-cooling shell can carry out cooling to rotor and stator, adopts the liquid in the pump body to carry out cooling to rotor and stator, and the specific heat capacity of liquid is higher, and the radiating efficiency is high, and the radiating effect is good.

Drawings

FIG. 1 is a cross-sectional view of a pump assembly provided by the present invention;

FIG. 2 is a schematic diagram of a pump cover according to the present invention;

FIG. 3 is a schematic structural view of a water-cooled housing according to the present invention;

fig. 4 is a schematic structural diagram of an impeller provided by the present invention.

Wherein, 1, a pump body; 11. a water inlet; 2. a pump cover; 21. a water outlet; 22. a water return hole; 23. a water inlet hole; 3. water-cooling the shell; 31. an inner shell; 32. a housing; 4. a rotor; 5. a stator; 6. a machine base; 7. an impeller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled 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.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 4, the present embodiment discloses a pump assembly including a pump body 1, a pump cover 2, a water-cooled casing 3, a base 6, an impeller 7, and a circuit board.

The first end of the pump body 1 is provided with a water inlet 11. The pump cover 2 is arranged at one end of the pump body 1 far away from the water inlet 11, namely at the second end of the pump body 1, and is used for plugging the pump cavity of the pump body 1. The top of the pump cover 2 is provided with a water outlet 21. At least the bottom of the pump cover 2 is provided with a water inlet hole 23, at least the top of the pump cover is provided with a water return hole 22, and the water return hole 22 is arranged close to the water outlet 21. Specifically, the pump cover 2 is annularly provided with a plurality of water permeable holes, wherein a water return hole 22 is arranged near the water outlet 21, and the other water inlet holes 23 are arranged. The specific number is seven.

Water-cooling shell 3 sets up the one side of keeping away from pump body 1 at pump cover 2, and water-cooling shell 3 is provided with hold chamber and water-cooling chamber, specifically, water-cooling shell 3 includes inner shell 31 and the shell 32 of locating the inner shell 31 outside of cover, and the one end sealing connection of pump cover 2 is kept away from to inner shell 31 and shell 32, and the space between inner shell 31 and the shell 32 forms the water-cooling chamber, and the inboard formation of inner shell 31 holds the chamber. The water-cooled shell 3 further comprises a skeleton, which is arranged between the inner shell 31 and the outer shell 32, and the skeleton plays a supporting role. The receiving chamber is used for receiving the rotor 4 and the stator 5, i.e. the stator 5 is embedded in the receiving chamber, and the rotor 4 is rotatably arranged in the stator 5.

Liquid in the pump body 1 can enter the water cooling cavity through the water inlet hole 23, and the liquid in the water cooling cavity can flow back to the water outlet 21 of the pump body 1 through the water return hole 22.

The engine base 6 is arranged on one side, far away from the water inlet 11, of the pump body 1 and fixed on the pump body 1, and the engine base 6 is sleeved on the outer side of the water cooling shell 3.

The impeller 7 is arranged in the pump body 1, the first end of the connecting shaft of the rotor 4 penetrates through the pump cover 2 and is located in the pump body 1, and the impeller 7 is arranged at the first end of the connecting shaft. Specifically, the impeller 7 is a three-stage impeller 7, and the impeller 7 has holes, so that liquid can flow through the impeller 7 toward the water-cooling shell 3.

The circuit board is arranged above the base 6 and used for controlling the operation of the pump body 1.

Liquid in the pump body 1 can enter the water cooling cavity through the water inlet hole 23, and the liquid in the water cooling cavity can flow back to the water outlet 21 of the pump body 1 through the water return hole 22; liquid in the water-cooling shell 3 can carry out cooling to rotor 4 and stator 5, adopts the liquid in the pump body 1 to carry out cooling to rotor 4 and stator 5, and the specific heat capacity of liquid is higher, and the radiating efficiency is high, and the radiating effect is good.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pump assembly, comprising:

a first end of the pump body (1) is provided with a water inlet (11);

the pump cover (2) is arranged at one end, far away from the water inlet (11), of the pump body (1), a water outlet (21) is formed in the top of the pump cover, at least the bottom of the pump cover (2) is provided with a water inlet hole (23), at least the top of the pump cover is provided with a water return hole (22), and the water return hole (22) is arranged close to the water outlet (21);

the water-cooling shell (3), it sets up pump cover (2) are kept away from one side of the pump body (1), chamber and water-cooling chamber are held in water-cooling shell (3) setting, it is used for holding rotor (4) and stator (5) to hold the chamber, the liquid of the pump body (1) ability can be passed through inlet opening (23) enter into in the water-cooling chamber, liquid in the water-cooling chamber can be passed through return water hole (22) flow back extremely outlet (21) department of the pump body (1).

2. The pump assembly according to claim 1, further comprising a base (6) disposed on a side of the pump body (1) away from the water inlet (11) and fixed to the pump body (1), wherein the base (6) is sleeved on an outer side of the water cooling housing (3).

3. The pump assembly according to claim 1, further comprising an impeller (7) disposed within the pump body (1), a first end of a connection shaft of the rotor (4) passing through the pump cover (2) being located within the pump body (1), the impeller (7) being disposed at a first end of the connection shaft.

4. A pump assembly according to claim 3, wherein the impeller (7) is a three-stage impeller (7).

5. The pump assembly according to claim 1, wherein the water-cooled shell (3) comprises an inner shell (31) and an outer shell (32) sleeved outside the inner shell (31), one ends of the inner shell (31) and the outer shell (32) far away from the pump cover (2) are connected in a sealing mode, the space between the inner shell (31) and the outer shell (32) forms the water-cooled cavity, and the inner side of the inner shell (31) forms the accommodating cavity.

6. The pump assembly according to claim 5, wherein the water-cooled housing (3) further comprises a skeleton arranged between the inner housing (31) and the outer housing (32).

7. The pump assembly of claim 2, further comprising a circuit board disposed above the housing (6).

8. Pump assembly according to claim 1, characterized in that the pump cover (2) is provided with a plurality of water permeable holes, of which the top near the discharge is a water return hole (22) and the others are water inlet holes (23).