CN214366735U

CN214366735U - Axial flow water pump

Info

Publication number: CN214366735U
Application number: CN202022806870.1U
Authority: CN
Inventors: 白本通; 吕政举; 杨年险
Original assignee: Hunan Esin Technology Co ltd
Current assignee: Hunan Esin Technology Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-10-08
Anticipated expiration: 2030-11-28

Abstract

The utility model relates to an axial flow water pump, which comprises a stator, a rotor, a first water seal bearing, a second water seal bearing, a first bearing fixing frame, a second bearing fixing frame and a fluid pipeline, the stator is nested on the shell of the fluid pipeline, the rotor, the first bearing fixing frame and the second bearing fixing frame are arranged in the fluid pipeline, the first bearing fixing frame and the second bearing fixing frame are positioned at two ends of the fluid pipeline, the rotor is provided with a rotating shaft, the first water seal bearing is fixed at the center of the first bearing fixing frame, the second water seal bearing is fixed at the center of the second bearing fixing frame, the first water seal bearing and the second water seal bearing support the rotating shaft, a spiral impeller structure is arranged inside the rotor, and the spiral impeller structure and the rotor inner shell are connected into a whole. The rotor realizes the combination of the fluid pipeline and the power mechanism, the function of the rotor for pumping fluid and the reduction of the resistance of the fluid flowing into the fluid pipeline.

Description

Axial flow water pump

Technical Field

The utility model relates to a water pump product field, concretely relates to axial flow water pump.

Background

The traditional water pump is generally divided into a power part and a pipeline part, the two parts are connected together to realize the function of pumping fluid, the structure of the water pump needs a large space, the power part and the pipeline part are not combined together, and the fluid flow direction of the water pump is in a centrifugal direction and cannot be adapted to special occasions.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an axial flow water pump, which realizes the combination of a fluid pipeline and a power mechanism by arranging a stator on a fluid pipeline shell and a rotor inside the fluid pipeline; the spiral impeller structure is arranged in the rotor, so that the function of pumping fluid by the rotor is realized; the spiral flow guide structure is formed by arranging the plurality of supporting connecting strips in the bearing fixing frame to be uniformly spaced and form a certain angle with the rotating shaft, so that the resistance of fluid flowing into the fluid pipeline is reduced.

The utility model discloses the technical scheme of implementation case as follows:

an axial flow water pump, the water pump includes stator, rotor, first water seal bearing, second water seal bearing, first bearing mount, second bearing mount and fluid pipeline, the stator nestification is in the shell of fluid pipeline, rotor, first bearing mount, second bearing mount are arranged in inside the fluid pipeline, first bearing mount with the second bearing mount with fluid pipeline inner shell fixed connection, first bearing mount, the second bearing mount is located the fluid pipeline both ends, the rotor is located in the middle of the fluid pipeline, the rotor has the pivot, first water seal bearing fixes the center of first bearing mount, second water seal bearing fixes the center of second bearing mount, first water seal bearing and second water seal bearing support the pivot, the rotor is internally provided with a spiral impeller structure, and the spiral impeller structure is connected with the rotor inner shell into a whole.

Preferably, the first bearing fixing frame and the second bearing fixing frame both comprise a plurality of supporting connecting strips and a bearing fixing body, one ends of the supporting connecting strips are fixedly connected with the inner shell of the fluid pipeline into a whole, the other ends of the supporting connecting strips are connected with the outer shell of the bearing fixing body into a whole, the supporting connecting strips are evenly spaced, the supporting connecting strips jointly form a spiral flow guide structure, the bearing fixing body is of a hollow structure, and the water seal bearing is fixed in the bearing fixing body.

Preferably, the spiral impeller structure comprises a plurality of impellers and a central shaft, one ends of the plurality of impellers are fixedly connected with the rotor inner shell into a whole, the other ends of the plurality of impellers are connected with the central shaft outer shell into a whole, the plurality of impellers are uniformly spaced, and the plurality of impellers form a spiral structure together.

Preferably, the central shaft is of a hollow structure, and the rotating shaft and the central shaft inner shell are fixedly connected into a whole.

Preferably, the axial included angle between the plurality of support connecting strips and the rotating shaft is 5-10 degrees.

Preferably, the axial included angle between the impellers and the rotating shaft is 30-45 degrees.

Compared with the prior art, the beneficial effects of the utility model reside in that: the stator is arranged on the shell of the fluid pipeline, and the rotor is arranged in the fluid pipeline, so that the combination of the fluid pipeline and the power mechanism is realized; the spiral impeller structure is arranged in the rotor, so that the function of pumping fluid by the rotor is realized; the spiral flow guide structure is formed by arranging the plurality of supporting connecting strips in the bearing fixing frame to be uniformly spaced and form a certain angle with the rotating shaft, so that the resistance of fluid flowing into the fluid pipeline is reduced.

Drawings

Fig. 1 is a schematic view of an axial flow water pump according to the present invention;

fig. 2 is an exploded schematic view of the axial flow water pump of the present invention;

fig. 3 is a schematic view of a bearing fixing frame in the axial flow water pump of the present invention;

fig. 4 is a schematic view of a rotor in the axial flow water pump of the present invention;

10. a stator; 20. a rotor; 21. a rotating shaft; 22. an impeller; 23. a central shaft; 30. a first water seal bearing; 40. a second water seal bearing; 50. a first bearing mount; 51. supporting the connecting strip; 52. a bearing fixing body; 60. a second bearing mount; 70. and (4) a circulating pipeline.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 and fig. 2, fig. 1 is a schematic view of the axial flow water pump of the present invention, and fig. 2 is an exploded schematic view of the axial flow water pump of the present invention. An axial flow water pump comprises a stator, a rotor, a first water seal bearing, a second water seal bearing, a first bearing fixing frame, a second bearing fixing frame and a fluid pipeline; the fluid pipeline is used as a fluid flowing carrier and a stator fixing shell in the utility model, and is equivalent to a shell in the motor; in the utility model, the stator is nested on the outer shell of the fluid pipeline, the stator is fixed with the fluid pipeline, the rotor, the first bearing fixing frame and the second bearing fixing frame are arranged inside the fluid pipeline, the first bearing fixing frame and the second bearing fixing frame are arranged at two ends of the fluid pipeline, the rotor is arranged in the middle of the fluid pipeline, the first bearing fixing frame and the second bearing fixing frame are fixedly connected with the inner shell of the fluid pipeline, the first water seal bearing is fixed at the center of the first bearing fixing frame, the second water seal bearing is fixed at the center of the second bearing fixing frame, generally, the rotor is provided with a rotating shaft, the first water seal bearing and the second water seal bearing support the rotating shaft, the rotating shaft supports the rotor to be suspended, the rotor rotates to drive the rotating shaft to rotate, in the utility model, the rotor is used as a power part for pumping fluid, the rotor is provided with a structure different from that of the traditional rotor, specifically, the inner part of the rotor is provided with a spiral impeller structure, the spiral impeller structure is connected with the rotor inner shell into a whole, and the rotor rotates and rotates along with the spiral impeller structure to rotate around the center of the rotor to suck fluid.

In order to meet the requirement that fluid can flow into a fluid pipeline while the supporting rotating shaft rotates, as shown in fig. 3, the first bearing fixing frame preferably comprises a plurality of supporting connecting strips and a bearing fixing body, the bearing fixing body is of a hollow structure, the water seal bearing is fixed in the bearing fixing body, one ends of the supporting connecting strips are fixedly connected with an inner shell of the fluid pipeline into a whole, the other ends of the supporting connecting strips are fixedly connected with an outer shell of the bearing fixing body into a whole, the supporting connecting strips are uniformly spaced, in order to reduce resistance in the fluid flowing-in process, preferably, as shown in fig. 3, the supporting connecting strips form a spiral flow guide structure together, and an axial included angle between the supporting connecting strips and the rotating shaft is 5-10 degrees.

In order to increase the rotating force of the rotor with the spiral impeller structure, as shown in fig. 4, specifically, the spiral impeller structure includes a plurality of impellers and a central shaft, one end of each of the plurality of impellers is fixedly connected with the inner shell of the rotor into a whole, the other end of each of the plurality of impellers is connected with the outer shell of the central shaft into a whole, the plurality of impellers are uniformly spaced, the plurality of impellers jointly form a spiral structure, and the axial included angle between the plurality of impellers and the rotating shaft is 30-45 °.

In order to increase the rotating shaft force of the rotor driving the rotating shaft, preferably, the central shaft is a hollow structure, and the rotating shaft is fixedly connected with the inner shell of the central shaft into a whole.

The utility model realizes the combination of the fluid pipeline and the power mechanism by arranging the stator on the shell of the fluid pipeline and arranging the rotor in the fluid pipeline; the spiral impeller structure is arranged in the rotor, so that the function of pumping fluid by the rotor is realized; the spiral flow guide structure is formed by arranging the plurality of supporting connecting strips in the bearing fixing frame to be uniformly spaced and form a certain angle with the rotating shaft, so that the resistance of fluid flowing into the fluid pipeline is reduced.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An axial flow water pump characterized in that:

the axial flow water pump comprises a stator, a rotor, a first water seal bearing, a second water seal bearing, a first bearing fixing frame, a second bearing fixing frame and a fluid pipeline, wherein the stator is nested on an outer shell of the fluid pipeline, the rotor, the first bearing fixing frame and the second bearing fixing frame are arranged in the fluid pipeline, the first bearing fixing frame and the second bearing fixing frame are fixedly connected with an inner shell of the fluid pipeline, the first bearing fixing frame and the second bearing fixing frame are positioned at two ends of the fluid pipeline, the rotor is positioned in the middle of the fluid pipeline, the rotor is provided with a rotating shaft, the first water seal bearing is fixed at the center of the first bearing fixing frame, the second water seal bearing is fixed at the center of the second bearing fixing frame, and the first water seal bearing and the second water seal bearing support the rotating shaft, the rotor is internally provided with a spiral impeller structure, and the spiral impeller structure is connected with the rotor inner shell into a whole.

2. The axial-flow water pump according to claim 1, characterized in that: the first bearing fixing frame and the second bearing fixing frame all include a plurality of support connecting strips and bearing fixing bodies, a plurality of support connecting strip one ends with fluid pipeline inner shell fixed connection becomes integrative, a plurality of support connecting strip other ends with bearing fixing body shell links into an integrated entity, the interval is even between a plurality of support connecting strips, a plurality of support connecting strip whole forms spiral water conservancy diversion structure, the bearing fixing body is hollow structure, first water seal bearing is fixed in the first bearing fixing body, second water seal bearing is fixed in the second bearing fixing body.

3. The axial-flow water pump according to claim 2, characterized in that: the spiral impeller structure comprises a plurality of impellers and a central shaft, one ends of the impellers are fixedly connected with the rotor inner shell into a whole, the other ends of the impellers are connected with the central shaft outer shell into a whole, the impellers are evenly spaced, and the impellers form a spiral structure together.

4. The axial-flow water pump according to claim 3, characterized in that: the central shaft is of a hollow structure, and the rotating shaft and the central shaft inner shell are fixedly connected into a whole.

5. The axial-flow water pump according to claim 4, characterized in that: the axial included angle between the plurality of supporting connecting strips and the rotating shaft is 5-10 degrees.

6. The axial-flow water pump according to claim 5, characterized in that: the axial included angle between the impellers and the rotating shaft is 30-45 degrees.