WO2016082655A1

WO2016082655A1 - Crossflow-type flow-making pump

Info

Publication number: WO2016082655A1
Application number: PCT/CN2015/093363
Authority: WO
Inventors: 梁卫昕
Original assignee: 梁卫昕
Priority date: 2014-11-27
Filing date: 2015-10-30
Publication date: 2016-06-02
Also published as: CN204239341U

Abstract

Disclosed is a crossflow-type flow-making pump, comprising an impeller shell (1) formed with a water inlet and a water outlet, an impeller assembly (2) pivotally connected to two ends of the impeller shell (1), and an electric motor (8) used for driving the impeller assembly (2). The impeller assembly (2) comprises an impeller used for driving the flow of liquid, and a first turntable (22) and a second turntable (24) respectively fixedly mounted at two ends of the impeller. A rotary shaft (21) rotatably mounted on the impeller shell (1) is formed on the first turntable (22). A cavity (27) used for plug-in mounting a rotor shaft (81) of the electric motor (8) is formed on the second turntable (24). The crossflow-type flow-making pump can enable sufficient liquid circulation in a container, and reduce the dead angle positions where the liquid flows relatively slowly.

Description

Cross flow type flow pump

Technical field

The utility model relates to a flow pump, in particular to a cross flow type flow pump for circulating a liquid in a container sufficiently.

Background technique

The existing flow pump mainly uses an inner rotor brushless motor with a propeller type axial blade to push the liquid, or an inner rotor brushless motor and a centrifugal blade to suck and extrude the liquid to make the liquid flow. The inner rotor brushless motor is characterized by high speed, but low torque, so it can only drive small-sized blades, and the flow area of such a flow pump is small, and high flow rate can only be obtained by high speed. Increase traffic. Therefore, such a flow pump is used for liquid circulation and flow generation, and there is a phenomenon that the water flow in the container is not uniform and the circulation is insufficient, and a dead space in which the liquid flow is less likely to occur in the liquid container.

Utility model content

In view of the deficiencies of the prior art, the object of the present invention is to provide a cross-flow type flow pump which can fully circulate the liquid in the container and significantly reduce the dead angle of the liquid flow.

In order to achieve the above object, the utility model adopts the following technical solutions:

A cross flow type flow pump comprising an impeller casing formed with a water inlet and a water outlet, an impeller assembly pivoted to both ends of the impeller casing, and a motor for driving the impeller assembly;

The impeller assembly includes an impeller for driving a liquid flow, and is fixedly mounted on the leaf a first wheel and a second wheel at both ends of the wheel, the first wheel is formed with a rotating shaft rotatably mounted on the impeller casing, and the second wheel is formed with a rotor shaft of the power supply machine Cavity.

Preferably, the number of the impeller assembly and the impeller casing are two, respectively located on both sides of the motor.

Preferably, the impeller includes a first impeller blade and a second impeller blade, and a third roulette is disposed between the first reel and the second reel, the first impeller blade being fixed to the first reel and Between the third wheel, the second impeller piece is fixed between the second wheel and the third wheel; the number of the first impeller pieces is plural, arranged along the circumference of the axis of the first wheel The number of the second impeller pieces is plural, and is arranged along the circumference of the axis of the second wheel.

Preferably, the impeller casing includes a first sleeve disposed in parallel and a second sleeve fixed to the stator of the motor, the first sleeve and the second sleeve being connected by a circular arc outer casing, the outer casing The upper side is provided with a baffle.

Preferably, the first sleeve is fitted with an end cover, the end cover is inserted with a bushing rubber pad, the bushing rubber pad is inserted with a bushing, and the rotating shaft is rotatably inserted Inside the bushing.

Preferably, the impeller casing further comprises a tongue plate laterally connected between the first sleeve and the second sleeve, the region between the tongue plate and the baffle forming a water outlet, the tongue plate and the outer casing The area between the lower sides forms a water inlet.

Preferably, the tongue plate includes a first tongue plate and a second tongue plate disposed in parallel, one side of the first tongue plate and the second tongue plate is vertically fixedly connected with a third tongue plate, the first tongue plate A plurality of reinforcing ribs are fixedly coupled to the second tongue.

Preferably, the cavity is inserted with a soft rubber pad, and the rotor shaft of the motor is inserted into the soft rubber On the mat.

Preferably, the rotating shaft is a ceramic shaft.

Preferably, the motor is an outer rotor motor.

The beneficial effects of the utility model are as follows:

The utility model drives the operation of the impeller assembly pivotally connected to the two ends of the impeller casing by the motor, thereby driving the circulating flow of the liquid in the container, the impeller assembly comprises an impeller for driving the liquid flow, and the first wheel disc fixedly mounted at the two ends of the impeller and a second wheel, the first wheel is formed with a rotating shaft rotatably mounted on the impeller casing, and the second wheel is formed with a cavity of the rotor shaft of the power supply machine, and the rotating work of the impeller assembly is performed The liquid in the container is fully circulated, and the dead angle of the liquid flow is significantly reduced; at the same time, the number of the impeller assembly and the impeller casing are two, respectively located on both sides of the motor, which can further fully circulate the liquid in the container; The motor is an outer rotor motor, which can make the impeller assembly obtain a large torque, so that the motor can drive a large elongated impeller, which compensates for the low torque of the inner rotor brushless motor.

DRAWINGS

Figure 1 is a schematic view of the overall structure of the present invention;

Figure 2 is a partial exploded view of the utility model;

Figure 3 is a schematic structural view of the impeller casing of the present invention;

Figure 4 is a schematic structural view of the impeller assembly of the present invention;

Figure 5 is a schematic view showing the structure of the tongue plate of the present invention.

Wherein: 1, the impeller casing; 11, the first sleeve; 12, the second sleeve; 13, the outer casing; 14. The deflector; 2, the impeller assembly; 21, the rotating shaft; 22, the first rotating disc; 23, the third rotating disc; 24, the second rotating disc; 25, the first impeller piece; 26, the second impeller piece; 27, cavity; 3, tongue plate; 31, first tongue plate; 32, second tongue plate; 33, third tongue plate; 34, reinforcing ribs; 4, end cover; 5, bushing rubber pad; Bushing; 7, soft pad; 8, motor; 81, rotor shaft.

detailed description

Hereinafter, the present invention will be further described in conjunction with the drawings and specific embodiments:

As shown in FIG. 1-5, the cross flow type flow pump of the present invention comprises an impeller casing 1 formed with a water inlet and a water outlet, and an impeller assembly 2 pivoted at two ends of the impeller casing 1 for driving the impeller. The motor 8 working on the component 2;

The impeller assembly 2 includes an impeller for driving a liquid flow, a first wheel 22 and a second wheel 24 fixedly mounted at both ends of the impeller, respectively, and the first wheel 22 is formed to be rotatably mounted on the impeller casing A rotating shaft 21 on the upper side of the second wheel (24) is formed with a cavity 27 into which the rotor shaft 81 of the power supply unit 8 is inserted.

The utility model drives the operation of the impeller assembly 2 pivotally connected to the two ends of the impeller casing 1 by the motor 8, thereby driving the circulating flow of the liquid in the container, and the rotation of the impeller assembly 2 allows the liquid in the container to fully circulate, thereby significantly reducing the liquid flow. Less dead ends.

Preferably, both the impeller assembly 2 and the impeller casing 1 are two in number, respectively located on either side of the motor 8, which further allows sufficient circulation of liquid within the vessel.

Preferably, the impeller includes a first impeller piece 25 and a second impeller piece 26, and a third wheel 23 is disposed between the first wheel 22 and the second wheel 24, and the first impeller piece 25 is fixed Yu Between the first wheel 22 and the third wheel 23, the second impeller piece 26 is fixed between the second wheel 24 and the third wheel 23; the number of the first impeller pieces 25 is plural. Arranged along the circumference of the axis of the first wheel 22, the number of the second impeller blades 26 is plural, arranged along the circumference of the axis of the second wheel 24. By setting in this way, the flow of the liquid driven by the flow pump can be significantly increased, thereby further reducing the dead angle of the liquid flow.

In addition, the number of the first impeller blades 25 and the second impeller blades 26 may be set according to the size of the container, the amount of water, the properties of the liquid, and other practical conditions.

Preferably, the impeller casing 1 includes a first sleeve 11 disposed in parallel and a second sleeve 12 fixed to the stator of the motor 8, the first sleeve 11 and the second sleeve 12 passing through a circular arc shape The outer casing 13 is connected, and the upper side of the outer casing 13 is provided with a deflector 14. Through the arrangement of the baffle 14, the liquid flow direction can be significantly guided.

Preferably, the first sleeve 11 is fitted with an end cover 4, and the end cover 4 is internally inserted with a bushing rubber pad 5, and the bushing rubber pad 5 is internally inserted with a bushing 6 The shaft 21 is rotatably inserted into the sleeve 6. The arrangement of the bushing rubber pad 5 and the bushing 6 can significantly reduce the wear of the rotating shaft 21 and the end cap 4, thereby effectively extending the service life of the rotating shaft 21.

Preferably, the impeller casing 1 further comprises a tongue 3 laterally connected between the first sleeve 11 and the second sleeve 12, the region between the tongue plate 3 and the deflector 14 forming a water outlet, The area between the tongue plate 3 and the lower side of the outer casing 13 forms a water inlet. By the arrangement of the tongue 3, the liquid in the container can form a circulating flow of water and water at the impeller assembly 2.

Further, as a modification of the present invention, a region between the tongue plate 3 and the deflector 14 may be formed as a water inlet, and a region between the tongue plate 3 and the lower side of the outer casing 13 forms a water outlet.

Preferably, the tongue plate 3 includes a first tongue plate 31 and a second tongue plate 32 arranged in parallel, A third tongue plate 33 is vertically fixedly connected to one side of the first tongue plate 31 and the second tongue plate 32. A plurality of reinforcing ribs 34 are fixedly coupled between the first tongue plate 31 and the second tongue plate 32.

Preferably, the cavity 27 is internally provided with a soft rubber pad 7 on which the rotor shaft 81 of the motor 8 is inserted. By providing the soft pad 7, the wear of the rotor shaft 81 of the motor 8 can be significantly reduced, and the service life of the rotor shaft 81 of the motor 8 can be significantly extended.

Preferably, the rotating shaft 21 is a ceramic shaft. Since the ceramic shaft has the characteristics of high strength, high temperature resistance, wear resistance, corrosion, high insulation, etc., it can be used as a preferred mode of using the new type of shaft 21.

Preferably, the motor 8 is an outer rotor motor, which can make the impeller assembly 2 obtain a large torque, so that the motor 8 can drive a large elongated impeller, which compensates for the defect of the low torque of the conventional inner rotor brushless motor. .

The first impeller piece 25 and the second impeller piece 26 of the present invention are fixed to the impeller casing 1 by ultrasonic welding.

After the device is assembled according to the above-described connection method, the motor 8 is energized to continuously rotate the rotor and the rotor shaft 81 of the motor 8, and the rotor shaft 81 of the motor 8 drives the rotation of the first impeller piece 25 and the second impeller piece 26 at both ends. Working, in cooperation with the impeller casing 1 and the tongue plate 3, a static pressure difference is formed in the impeller, a region between the tongue plate 3 and the deflector 14 forms a water outlet, and a region between the tongue plate 3 and the lower side of the casing 13 is formed. The nozzle allows the liquid to circulate continuously through the impeller. Compared with the traditional flow pump, in the application environment where high flow rate and high lift are not required, the liquid in the container can be fully circulated, and the dead angle of less liquid flow is significantly reduced.

A person skilled in the art can make various other changes and modifications according to the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the claims of the present invention. .

Claims

A cross-flow type flow pump, comprising: an impeller casing formed with a water inlet and a water outlet, an impeller assembly pivoted at two ends of the impeller casing, and a motor for driving the impeller assembly;

The impeller assembly includes an impeller for driving a liquid flow, a first wheel and a second wheel respectively fixedly mounted at both ends of the impeller, and the first wheel is formed with a rotating shaft rotatably mounted on the impeller casing, A cavity in which the rotor shaft of the power supply machine is inserted is formed on the second wheel.
The flow pump of claim 1 wherein the impeller assembly and the impeller housing are both in number, each on either side of the motor.
A flow pump according to claim 1, wherein said impeller includes a first impeller blade and a second impeller blade, and a third reel is disposed between said first reel and said second reel. The first impeller piece is fixed between the first wheel and the third wheel, and the second impeller piece is fixed between the second wheel and the third wheel; the number of the first impeller pieces is plural And arranged along the circumference of the axis of the first wheel, the number of the second impeller pieces being plural, arranged along the circumference of the axis of the second wheel.
A flow pump according to claim 1 wherein said impeller housing includes a first sleeve disposed in parallel and a second sleeve secured to the stator of the motor, said first sleeve and second The sleeve is connected by a circular arc-shaped outer casing, and the upper side of the outer casing is provided with a baffle.
The flow pump according to claim 4, wherein the first sleeve is fitted with an end cap, the end cap is inserted with a bushing rubber pad, and the bushing rubber pad is inserted There is a sleeve, and the shaft is rotatably inserted in the sleeve.
A flow pump according to claim 4, wherein said impeller casing further comprises a tongue plate laterally connected between said first sleeve and said second sleeve, said tongue plate and said deflector The area forms a water outlet, and the area between the tongue and the underside of the outer casing forms a water inlet.
A flow pump according to claim 6, wherein said tongue plate comprises a first tongue plate and a second tongue plate disposed in parallel, one side of said first tongue plate and said second tongue plate being vertically fixedly connected There is a third tongue, and a plurality of reinforcing ribs are fixedly connected between the first tongue and the second tongue.
The flow pump according to any one of claims 1 to 7, wherein the cavity is inserted with a soft rubber pad, and the rotor shaft of the motor is inserted on the soft rubber pad.
A flow pump according to any one of claims 1 to 7, wherein the rotating shaft is a ceramic shaft.
A flow pump according to any one of claims 1 to 7, wherein the motor is an outer rotor motor.