阅读说明：本技术 一种离心式管道泵 (Centrifugal pipeline pump ) 是由 韩宗美 于 2021-07-22 设计创作，主要内容包括：本发明属于管道泵技术领域,公开了一种离心式管道泵,包括：管道壳体组件,其设置有进水口和出水口,管道壳体组件内设置有进水板,进水板上设置有流水孔；定子组件,其设置在管道壳体组件内；转子组件,其包括转子本体和叶轮,叶轮设置在转子本体的一端,转子组件的外径小于定子组件的内径,转子组件浮动地设置在定子组件内,叶轮位于靠近进水板的一端,定子组件通电能够驱使转子组件转动,以使叶轮驱使液体依次经进水口、流水孔、转子本体和定子组件之间的间隙流动以及出水口流动。转子组件无需通过轴承等与管道壳体组件直接连接,因此也无需密封,使该离心式管道泵的整体结构比较简单,维护简单,维护成本比较低；提高了使用寿命。(The invention belongs to the technical field of pipeline pumps, and discloses a centrifugal pipeline pump, which comprises: the pipeline shell assembly is provided with a water inlet and a water outlet, a water inlet plate is arranged in the pipeline shell assembly, and a water flowing hole is formed in the water inlet plate; a stator assembly disposed within the duct housing assembly; the rotor assembly comprises a rotor body and an impeller, the impeller is arranged at one end of the rotor body, the outer diameter of the rotor assembly is smaller than the inner diameter of the stator assembly, the rotor assembly is arranged in the stator assembly in a floating mode, the impeller is located at one end close to the water inlet plate, the stator assembly is electrified to drive the rotor assembly to rotate, and therefore liquid is driven by the impeller to flow through gaps among the water inlet, the drain hole, the rotor body and the stator assembly in sequence and the water outlet. The rotor assembly is not required to be directly connected with the pipeline shell assembly through a bearing and the like, so that sealing is not required, and the integral structure of the centrifugal pipeline pump is simple, the maintenance is simple, and the maintenance cost is low; the service life is prolonged.)

1. A centrifugal duct pump, comprising:

the pipeline shell assembly is provided with a water inlet (111) and a water outlet (121), a water inlet plate (112) is arranged in the pipeline shell assembly, and a water flowing hole (113) is formed in the water inlet plate (112);

a stator assembly (2) disposed within the duct housing assembly;

the rotor assembly (3) comprises a rotor body (31) and an impeller (32), the impeller (32) is arranged at one end of the rotor body (31), the outer diameter of the rotor assembly (3) is smaller than the inner diameter of the stator assembly (2), the rotor assembly (3) is arranged in the stator assembly (2) in a floating mode, the impeller (32) is located at one end close to the water inlet plate (112), the rotor assembly (3) can be driven to rotate by electrifying the stator assembly (2), so that liquid is driven by the impeller (32) to sequentially flow through the water inlet (111), the water flowing hole (113), gaps between the rotor body (31) and the stator assembly (2) and the water outlet (121).

2. The centrifugal pipe pump according to claim 1, wherein the pipe housing assembly comprises a first housing (11) and a second housing (12) which are arranged at intervals, a second end of the first housing (11) is connected with a first end of the stator assembly (2) in a sealing mode, a first end of the second housing (12) is connected with a second end of the stator assembly (2) in a sealing mode, the water inlet (111) is arranged at the first end of the first housing (11), and the water outlet (121) is arranged at the second end of the second housing (12).

3. A centrifugal pipe pump according to claim 1, wherein the housing assembly comprises a first housing (11), a mounting housing and a second housing (12), the first housing (11) and the second housing (12) being sealingly connected to both ends of the mounting housing, respectively, the stator assembly (2) being mounted within the mounting housing, the water inlet (111) being provided at a first end of the first housing (11), the water outlet (121) being provided at a second end of the second housing (12).

4. A centrifugal pipe pump according to claim 2, wherein the second end of the first housing (11) and the first end of the second housing (12) are provided with a connection portion (122), the connection portion (122) protruding into the stator assembly (2).

5. A centrifugal pipe pump according to claim 4, wherein a sealing ring (4) is provided between the stator assembly (2) and the connection portion (122).

6. The centrifugal channel pump of claim 2, wherein the water intake plate (112) is embedded in the first housing (11) and the impeller (32) is at least partially embedded in the first housing (11).

7. A centrifugal channel pump according to claim 6, wherein the rotor assembly (3) is located between the water intake plate (112) and the second housing (12).

8. The centrifugal duct pump of claim 1, wherein the impeller (32) and the core of the rotor body (31) are integrally formed.

9. The centrifugal duct pump according to claim 1, wherein the impeller (32) is provided with a plurality of arc-shaped blades along a circumferential direction thereof.

Technical Field

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

Background

The liquid-cooled centrifugal pump is a core component of an airborne environment-controlled liquid-cooled system, and generally comprises a liquid inlet, a pump shell, an impeller, a liquid outlet, a shaft seal structure and a driving motor. When a motor shaft of the liquid cooling centrifugal pump penetrates through a pump shell, the motor shaft is rotationally connected with the pump shell through a bearing, the bearing is generally sealed by a sealing structure, and a common shaft seal structure comprises a leather cup seal and a mechanical seal. Both shaft seal structures have the problems of leakage, short service life, need of regular replacement and the like. Furthermore, the structure of the liquid-cooled centrifugal pump is complicated, which results in high maintenance cost.

Therefore, a centrifugal pipeline pump 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 centrifugal pipeline pump which is simpler in overall structure, simple to maintain and lower in maintenance cost; and simultaneously, the service life of the centrifugal pipeline pump is prolonged.

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

there is provided a centrifugal pipe pump comprising:

the pipeline shell assembly is provided with a water inlet and a water outlet, a water inlet plate is arranged in the pipeline shell assembly, and a drain hole is formed in the water inlet plate;

a stator assembly disposed within the duct housing assembly;

the rotor assembly comprises a rotor body and an impeller, the impeller is arranged at one end of the rotor body, the outer diameter of the rotor assembly is smaller than the inner diameter of the stator assembly, the rotor assembly is arranged in the stator assembly in a floating mode, the impeller is located at one end close to the water inlet plate, the stator assembly can be driven to rotate by electrifying, so that the impeller drives liquid to flow through the water inlet, the drain hole, the gap between the rotor body and the stator assembly in sequence and the water outlet.

As a preferable technical solution of the centrifugal duct pump, the duct housing assembly includes a first housing and a second housing which are arranged at intervals, a second end of the first housing is hermetically connected to a first end of the stator assembly, a first end of the second housing is hermetically connected to a second end of the stator assembly, the water inlet is arranged at the first end of the first housing, and the water outlet is arranged at the second end of the second housing.

As a preferable technical solution of the centrifugal pipe pump, the casing assembly includes a first casing, a mounting casing and a second casing, the first casing and the second casing are respectively connected to two ends of the mounting casing in a sealing manner, the stator assembly is mounted in the mounting casing, the water inlet is disposed at a first end of the first casing, and the water outlet is disposed at a second end of the second casing.

As a preferable technical solution of the centrifugal pipe pump, the second end of the first housing and the first end of the second housing are provided with a connecting portion, and the connecting portion extends into the stator assembly.

As a preferable technical solution of the centrifugal pipe pump, a seal ring is provided between the stator assembly and the connecting portion.

As a preferable technical solution of the centrifugal pipe pump, the water inlet plate is embedded in the first housing, and the impeller is at least partially embedded in the first housing.

As a preferable technical solution of the centrifugal duct pump, the rotor assembly is located between the water inlet plate and the second housing.

As a preferable technical solution of the centrifugal pipe pump, the impeller and the iron core of the rotor body are integrally formed.

As a preferable technical scheme of the centrifugal pipeline pump, the impeller is provided with a plurality of arc-shaped blades along the circumferential direction of the impeller.

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

the stator assembly is electrified to drive the rotor assembly to rotate, so that the impeller drives liquid to flow through the water inlet, the drain hole, the gap between the rotor body and the stator assembly and the water outlet in sequence; the outer diameter of the rotor assembly is smaller than the inner diameter of the stator assembly, the rotor assembly is arranged in the stator assembly in a floating mode, the rotor assembly is not required to be directly connected with the pipeline shell assembly through a bearing and the like, and therefore sealing is not required, the overall structure of the centrifugal pipeline pump is simple, maintenance is simple, and maintenance cost is low; and simultaneously, the service life of the centrifugal pipeline pump is prolonged.

Drawings

FIG. 1 is a schematic diagram of a centrifugal tube pump according to the present invention;

fig. 2 is a schematic structural diagram of a rotor assembly provided by the present invention.

11, a first shell; 111. a water inlet; 112. a water intake plate; 113. a water flowing hole; 12. a second housing; 121. a water outlet; 122. a connecting portion;

2. a stator assembly; 3. a rotor assembly; 31. a rotor body; 32. an impeller; 4. and (5) sealing rings.

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 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 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 and 2, the present embodiment discloses a centrifugal duct pump including a duct housing assembly, a stator assembly 2, and a rotor assembly 3.

The pipeline shell assembly is provided with a water inlet 111 and a water outlet 121, a water inlet plate 112 is arranged in the pipeline shell assembly, and a water flowing hole 113 is formed in the water inlet plate 112; the stator assembly 2 is disposed within the duct housing assembly. Specifically, in this embodiment, the duct housing assembly includes a first housing 11 and a second housing 12 that are disposed at an interval, a second end of the first housing 11 is hermetically connected to a first end of the stator assembly 2, a first end of the second housing 12 is hermetically connected to a second end of the stator assembly 2, the first end of the first housing 11 is in a horn shape, a second end of the second housing 12 is in a horn shape, the water inlet 111 is disposed at the first end of the first housing 11, and the water outlet 121 is disposed at the second end of the second housing 12. That is, the apertures of the water inlet 111 and the water outlet 121 are smaller than the inner diameters of the first housing 11 and the second housing 12. The water inlet 111 and the water outlet 121 may be provided in the form of screw threads, or may be provided in the form of flanges.

The second end of the first housing 11 and the first end of the second housing 12 are provided with a connecting portion 122, and the connecting portion 122 extends into the stator assembly 2. A sealing ring 4 is arranged between the stator assembly 2 and the connecting portion 122, and the sealing ring 4 can ensure the sealing performance between the first shell 11 and the stator assembly 2 and between the second shell 12 and the stator assembly 2. Specifically, the inner edge of the end of the stator assembly 2 is provided with a receiving groove, and the seal ring 4 is located in the receiving groove. The water inlet plate 112 is embedded in the first housing 11 and located outside the stator assembly 2.

In other embodiments, the housing assembly includes a first housing, a mounting housing, and a second housing, the first housing and the second housing are respectively hermetically connected to two ends of the mounting housing, the stator assembly is mounted in the mounting housing, the water inlet is disposed at a first end of the first housing, and the water outlet is disposed at a second end of the second housing.

The outer diameter of the rotor assembly 3 is smaller than the inner diameter of the stator assembly 2, a certain gap is left between the outer diameter of the rotor assembly 3 and the inner diameter of the stator assembly 2, the rotor assembly 3 is arranged in the stator assembly 2 in a floating mode, and the rotor assembly 3 is located between the water inlet plate 112 and the second shell 12. Specifically, the inner diameter of the second housing 12 is smaller than the outer diameter of the rotor assembly 3, and the rotor assembly 3 can be blocked. The rotor assembly 3 includes a rotor body 31 and an impeller 32, the impeller 32 is disposed at one end of the rotor body 31, the impeller 32 is located at one end close to the water inlet plate 112, the impeller 32 is at least partially embedded in the first housing 11, and in this embodiment, the impeller 32 is embedded in the first housing 11. The impeller 32 and the iron core of the rotor body 31 are integrally formed. The impeller 32 is provided with a plurality of arc-shaped blades along the circumferential direction, the outer edges of the blades are located on the outer wall of the rotor body 31, and the inner edges are arranged close to the axis.

The stator assembly 2 is powered on to drive the rotor assembly 3 to rotate, so that the impeller 32 drives the liquid to flow through the water inlet 111, the water flowing hole 113, the gap between the rotor body 31 and the stator assembly 2, and the water outlet 121 in sequence.

The outer diameter of the rotor assembly 3 is smaller than the inner diameter of the stator assembly 2, the rotor assembly 3 is arranged in the stator assembly 2 in a floating manner, and the rotor assembly 3 is not required to be directly connected with the pipeline shell assembly through a bearing and the like, so that sealing is not required, the integral structure of the centrifugal pipeline pump is simple, the maintenance is simple, and the maintenance cost is low; and simultaneously, the service life of the centrifugal pipeline pump is prolonged.

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.