CN112963359A

CN112963359A - Shaftless fluid jet equipment

Info

Publication number: CN112963359A
Application number: CN202110386691.3A
Authority: CN
Inventors: 黄明乐
Original assignee: Hefei Xianhu Semiconductor Technology Co ltd
Current assignee: Hefei Xianhu Semiconductor Technology Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-06-15

Abstract

The invention discloses shaftless fluid injection equipment, which comprises a pump body, a stator component, a rotor component and a bearing component, wherein the pump body is provided with a plurality of bearing holes; the utility model discloses a pump, including the pump body, stator part and rotor part, the both ends of the pump body are provided with water inlet pipe and water outlet pipe, stator part and rotor part distribute side by side, and leave the clearance between the two, stator part fixes inside the pump body, the rotor part passes through bearing unit and connects inside the pump body, rotor part, stator part are the loop configuration and form fluid passage between the loop configuration inside be provided with the impeller on the rotor part, through stator part drives the rotor part and rotates, and then drives the impeller and rotate and produce thrust and realize fluid jet to the convection cell. The rotor and the stator are arranged in parallel, and the electromagnetic coil winding on the stator component is matched with the magnet on the rotor to drive the rotor to rotate, so that the impeller is driven to rotate to generate thrust on fluid to realize fluid injection.

Description

Shaftless fluid jet equipment

Technical Field

The invention relates to the technical field of fluid propulsion, in particular to shaftless fluid jet equipment.

Background

The existing water spraying pump mostly adopts a pump shaft driving mode, and vibration and noise are still inevitably generated when a pump shaft rotates. Meanwhile, as the blades are fixed on the shaft hub of the pump shaft, the central axis of the shaft hub coincides with the central axis of the pump body, once foreign matters enter the pump body, the blades or the pump shaft are bent, the blades rotating at high speed impact the inner cavity of the pump body, the blades and even the ship body are damaged, and the ship loses power completely.

While the traditional water jet pump mostly adopts a pump shaft driving mode, the publication number CN102285441A describes the general structure of the water jet propulsion pump: the pump body consists of a cylindrical middle section, a nozzle section and a flow inlet section which are respectively arranged at two ends of the cylindrical middle section and fixedly connected with the cylindrical middle section, a pump shaft which is coaxially arranged with the pump body is arranged in the pump, and the impeller is driven to rotate by the rotation of the pump shaft, so that the effects of sucking and spraying fluid are achieved, and thrust is generated.

Chinese patent CN107246395A discloses a marine electromagnetic shaftless rim wheel water spray pump, which includes: a water jet pump, a stator component, a rotor component and a bearing assembly; the water spray pump comprises a shell, a water outlet and a water inlet, wherein the water outlet and the water inlet are arranged at two ends of the shell; the stator component and the rotor component are arranged on the shell at a position close to the water outlet; the stator part is of an annular structure, the rotor part is arranged in a ring of the stator part, and the stator part and the rotor part are connected with each other through a bearing assembly; a motor coil winding is arranged inside the stator part, and a rotor ring, a permanent magnet and a paddle are arranged inside the rotor part; a motor coil winding in the stator component generates a rotating magnetic field after being electrified, the permanent magnet drives the rotor ring to rotate under the action of the rotating magnetic field, and the paddle is connected with the rotor ring to rotate and generate thrust to push the ship to advance. The rotor passes through the bearing setting in the inner ring of stator in this patent, and the propelling movement dynamics to the fluid is less.

Disclosure of Invention

In view of the above problems in the prior art, an object of the present invention is to provide a shaftless fluid injection apparatus, which improves a pushing force for a fluid and realizes injection of the fluid.

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

a shaftless fluid ejection apparatus comprising a pump body, a stator component, a rotor component and a bearing component; the utility model discloses a pump, including the pump body, stator part and rotor part, the both ends of the pump body are provided with water inlet pipe and water outlet pipe, stator part and rotor part distribute side by side, and leave the clearance between the two, stator part fixes inside the pump body, the rotor part passes through bearing unit and connects inside the pump body, rotor part, stator part are the loop configuration and form fluid passage between the loop configuration inside be provided with the impeller on the rotor part, through stator part drives the rotor part and rotates, and then drives the impeller and rotate and produce thrust and realize fluid jet to the convection cell.

Furthermore, a plurality of bulges are uniformly distributed on the surface of one side, close to the rotor part, of the stator part, electromagnetic coil windings are arranged on the bulges, grooves corresponding to the bulges are formed in the surface of one side, close to the stator part, of the rotor part, and magnets are installed in the grooves.

Furthermore, a water inlet cover body is arranged on the front side of the rotor part, and a water outlet cover body is arranged on the rear side of the stator part.

Furthermore, a water outlet pipeline is connected to the rear side of the water outlet cover body.

Further, the impeller is fixedly arranged on the inner surface of the rotor component.

Further, the stator, rotor and bearing components are located inside the pump body.

Compared with the prior art, the invention has the following advantages:

the rotor and the stator are arranged in parallel, and the electromagnetic coil winding on the stator component is matched with the magnet on the rotor to drive the rotor to rotate, so that the impeller is driven to rotate to generate thrust on fluid to realize fluid injection.

1. The rotor and the stator are arranged in parallel in the application, so that the real shaftless arrangement is realized, and the shaft cost is saved.

2. Since no shaft is needed, the position of the middle shaft can be free to be used as a pipeline or a channel for placing conveying fluid, so that the volume of the device is reduced.

3. The device can use plastics or other materials to seal and isolate the stator, does not influence the operating mode of rotor, can place whole device like this in fluid (liquid) also do not influence the operating mode of device.

4. The device can reduce the whole thickness, becomes very thin, obtains ultra-thin characteristic.

5. The device can conveniently place a multi-stage impeller on the rotor to obtain larger fluid lift.

6. If in the application of high power, a fluid heat dissipation pipeline can be conveniently added on the back surface (the surface opposite to the rotor) of the stator, so that the liquid cooling and heat dissipation functions of the stator are realized, and the stator has good heat dissipation performance.

Drawings

FIG. 1 is a schematic structural view of a shaftless fluid ejection apparatus of the present invention;

FIG. 2 is an exploded schematic view of the shaftless fluid ejection apparatus of FIG. 1;

FIG. 3 is a front view of a stator component of the shaftless fluid ejection apparatus of FIG. 1;

fig. 4 is a front view of a rotor assembly of the shaftless fluid ejection device of fig. 1.

In the figure: the pump body 1, the stator component 2, the rotor component 3, the bearing component 4, the water inlet pipe orifice 101, the water outlet pipe orifice 102, the gap 5, the impeller 6, the fluid channel 7, the water inlet cover body 8, the water outlet cover body 9, the water outlet pipeline 10, the protrusion 201 and the groove 301.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

As shown in fig. 1-4, a shaftless fluid ejection apparatus includes a pump body 1, a stator part 2, a rotor part 3, and a bearing part 4; the utility model provides a fluid injection pump, including pump body 1, stator part 2, stator part 3, stator part 6, stator part 2, stator part 3, stator part 2, and stator part 2 are the loop configuration, and form fluid passage 7 between the loop configuration is inside the stator part 3 is last to be provided with impeller 6, through stator part 2 drives rotor part 3 and rotates, and then drives impeller 6 and rotate the fluid and produce thrust and realize fluid injection.

The rotor and the stator are arranged in parallel, and the stator component drives the rotor to rotate, so that the impeller is driven to rotate to generate thrust on fluid, and fluid injection is realized.

As shown in fig. 2, in an embodiment of the present invention, a plurality of protrusions 201 are uniformly distributed on a side surface of the stator component 2 close to the rotor component 3, electromagnetic coil windings are disposed on the protrusions 201, a groove 301 corresponding to the protrusion 201 is disposed on a side surface of the rotor component 3 close to the stator component 2, and a magnet is mounted in the groove 301.

As shown in fig. 1 and 2, in one embodiment of the present invention, a water inlet cover 8 is provided on the front side of the rotor part 3, and a water outlet cover 9 is provided on the rear side of the stator part 2.

Wherein, the rear side of the water outlet cover body 9 is connected with a water outlet pipeline 10.

As shown in fig. 1 and 2, in an embodiment of the present invention, the impeller 6 is fixedly disposed on the inner surface of the rotor part 3.

In the present invention, the stator part 2, the rotor part 3 and the bearing part 4 are all located inside the pump body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shaftless fluid ejection apparatus, characterized by: the pump comprises a pump body (1), a stator component (2), a rotor component (3) and a bearing component (4); the utility model discloses a hydraulic pump, including pump body (1), stator part (2), stator part (3), stator part (2) and rotor part (3), the both ends of the pump body are provided with water inlet pipe (101) and water outlet pipe (102), stator part (2) and rotor part (3) distribute side by side, and leave clearance (5) between the two, stator part (2) are fixed inside the pump body (1), rotor part (3) are connected inside the pump body (1) through bearing part (4), rotor part (3), stator part (2) are the loop configuration, and form fluid passage (7) between the loop configuration is inside be provided with impeller (6) on rotor part (3), through stator part (2) drive rotor part (3) and rotate, and then drive impeller (6) and rotate and produce thrust and realize fluid.

2. The shaftless fluid ejection apparatus of claim 1, wherein: the stator part (2) is close to a plurality of protrusions (201) on the surface of one side of the rotor part (3), the protrusions (201) are provided with electromagnetic coil windings, a groove (301) corresponding to the protrusions (201) is formed in the surface of one side of the rotor part (3) close to the stator part (2), and magnets are installed in the groove (301).

3. The shaftless fluid ejection apparatus of claim 1, wherein: a water inlet cover body (8) is arranged on the front side of the rotor component (3), and a water outlet cover body (9) is arranged on the rear side of the stator component (2).

4. A shaftless fluid ejection apparatus according to claim 3, wherein: a water outlet pipeline (10) is connected with the rear side of the water outlet cover body (9).

5. The shaftless fluid ejection apparatus of claim 1, wherein: the impeller (6) is fixedly arranged on the inner surface of the rotor component (3).

6. The shaftless fluid ejection apparatus of claim 1, wherein: the stator component (2), the rotor component (3) and the bearing component (4) are all located inside the pump body (1).