CN212536094U - Motor shaft pressure boost speed-up structure for water pump - Google Patents
Motor shaft pressure boost speed-up structure for water pump Download PDFInfo
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- CN212536094U CN212536094U CN202021146530.4U CN202021146530U CN212536094U CN 212536094 U CN212536094 U CN 212536094U CN 202021146530 U CN202021146530 U CN 202021146530U CN 212536094 U CN212536094 U CN 212536094U
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- impeller
- motor shaft
- water pump
- shell
- bearing
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Abstract
The utility model relates to a motor shaft pressure boost speed-up structure for water pump, including rotor and shell, the rotor includes yoke dish and motor shaft, the motor shaft is the long banding structure of circle shape, and motor shaft one end passes through the bearing with yoke dish fixed connection, the other end and shell and rotates and be connected, the inside of motor shaft is provided with first impeller and second impeller, first impeller and second impeller and motor shaft fixed connection, the flabellum of first impeller and second impeller all rotates with the motor shaft to be connected, and first impeller and the reverse setting of second impeller, fixedly connected with spliced pole between first impeller and the second impeller. The utility model discloses be provided with the motor shaft, the motor shaft is hollow structure, and the motor shaft is inside to be provided with a pair of impeller, thereby the impeller carries out the secondary pressure boost to rivers and improves the water pump lift after rivers get into the motor shaft.
Description
Technical Field
The utility model relates to a motor manufacturing field especially relates to a motor shaft pressure boost speed-up structure for water pump.
Background
The principle of the existing water pump motor is that water is sucked from a water pump liquid inlet and is discharged from a liquid outlet after passing through an impeller or other structures in a water pump cavity.
The existing water pump has short lift, and in order to solve the problem, a plurality of groups of impellers are added at the water outlet position of the water pump to carry out multistage pressurization on water flow.
Disclosure of Invention
The utility model discloses a solve the problem that current water pump lift is short, provide a motor shaft pressure boost speed-raising structure for water pump, be provided with the motor shaft, the motor shaft is hollow structure, and the motor shaft is inside to be provided with a pair of impeller, thereby the impeller carries out the secondary pressure boost to rivers and improves the water pump lift after rivers get into the motor shaft.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a motor shaft pressure boost speeding structure for water pump, includes rotor and shell, the rotor includes yoke dish and motor shaft, the motor shaft is the long banding structure of circle shape, and motor shaft one end passes through the bearing rotation with yoke dish fixed connection, the other end and shell and is connected, the inside of motor shaft is provided with first impeller and second impeller, first impeller and second impeller and motor shaft fixed connection, the flabellum of first impeller and second impeller all rotates with the motor shaft to be connected, and first impeller and the reverse setting of second impeller, fixedly connected with spliced pole between first impeller and the second impeller.
Further, first impeller and second impeller include pivot and flabellum, first impeller sets up in motor shaft water inlet position, the pivot is the ladder cylindrical, and pivot minor diameter end ring is established between flabellum, major diameter end and the motor shaft inner ring face and is rotated through the bearing and be connected, the second impeller sets up in motor shaft water outlet position, rotates through the bearing between the pivot major diameter end of second impeller and the motor shaft inner ring face and is connected.
Furthermore, a spiral groove is formed in the inner ring surface, located between the first impeller and the second impeller, of the motor shaft.
Furthermore, the outer ring surface of the water outlet and the water inlet of the motor shaft is provided with a protective shell, the protective shell is of a circular structure, the protective shell and the motor shaft are of an integrated structure, and the protective shell is arranged on the outer side of the shell.
Furthermore, the shell is rotatably connected with the magnetic yoke disc through a bearing, the shell is of an annular structure, and fins for heat dissipation are arranged on the outer surface of the shell in an annular mode.
The utility model has the advantages that:
1. the utility model is provided with a motor shaft, the motor shaft is of a circular strip-shaped structure, one end of the motor shaft is fixedly connected with a magnetic yoke disc, the other end of the motor shaft is rotationally connected with a shell through a bearing, a first impeller and a second impeller are arranged inside the motor shaft, the first impeller and the second impeller are fixedly connected with the motor shaft, the fan blades of the first impeller and the second impeller are rotationally connected with the motor shaft, the first impeller and the second impeller are reversely arranged, and a connecting column is fixedly connected between the first impeller and the second impeller;
during the use, the water pump motor circular telegram is rotated, rivers from the outside through the motor shaft water inlet get into the motor shaft, in motor shaft water inlet position, because its water pressure grow that rivers passageway cross-sectional area diminishes, rivers promote first impeller rotatory, inside water flow through first impeller and motor shaft clearance gets into the motor shaft simultaneously, the rotatory rivers of motor shaft circular telegram receive inertial rotation, first impeller drives the second impeller rotation under rivers promote, rivers flow through the second impeller acceleration in motor shaft delivery port position to the water pump lift is promoted.
2. The motor shaft is hollow structure, and rivers take away the heat that motor stator, rotor operation produced when the motor shaft is inside to avoid the motor to generate heat seriously.
Drawings
Fig. 1 is one of the schematic structural diagrams of the motor shaft supercharging and accelerating structure for the water pump of the present invention.
Fig. 2 is a second schematic structural diagram of the motor shaft supercharging and accelerating structure for a water pump of the present invention.
Fig. 3 is a third schematic structural view of the motor shaft supercharging and accelerating structure for a water pump of the present invention.
Fig. 4 is a motor shaft sectional view of the motor shaft supercharging and accelerating structure for the water pump of the present invention.
The reference numbers in the drawings are as follows: the impeller comprises a shell 1, a motor shaft 2, a first impeller 3, a second impeller 4, a connecting column 5 and a protective shell 6.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1-4, a motor shaft supercharging and accelerating structure for a water pump comprises a rotor and a housing 1, wherein the rotor comprises a magnetic yoke disc and a motor shaft 2, the motor shaft 2 is a circular long strip-shaped structure, one end of the motor shaft 2 is connected with the magnetic yoke disc and the other end of the motor shaft is connected with the housing 1 through a bearing in a rotating mode, a first impeller 3 and a second impeller 4 are arranged inside the motor shaft 2, the first impeller 3 and the second impeller 4 are fixedly connected with the motor shaft 2, fan blades of the first impeller 3 and the second impeller 4 are connected with the motor shaft 2 in a rotating mode, the first impeller 3 and the second impeller 4 are arranged in a reverse mode, and a connecting column 5 is fixedly connected between the first impeller 3 and the second impeller 4.
For making rivers get into and carry out the secondary pressure boost acceleration rate behind motor shaft 2, first impeller 3 and second impeller 4 include pivot and flabellum, first impeller 3 sets up in 2 water inlet positions of motor shaft, the pivot is the ladder cylindrical, and pivot minor diameter end ring is established between flabellum, the big footpath end and the 2 interior anchor rings of motor shaft and is connected through the bearing rotation, second impeller 4 sets up in 2 delivery port positions of motor shaft, is connected through the bearing rotation between the big footpath end of pivot of second impeller 4 and the 2 interior anchor rings of motor shaft.
In order to increase the water flow rotation potential energy, a spiral groove is formed in the inner ring surface of the motor shaft 2 between the first impeller 3 and the second impeller 4.
In order to prevent water flow from entering the motor, a protective shell 6 is arranged on the outer annular surface of the position of the water outlet and the water inlet of the motor shaft 2, the protective shell 6 is of a circular ring-shaped structure, the protective shell 6 and the motor shaft 2 are of an integrated structure, and the protective shell 6 is arranged on the outer side of the shell 1.
In order to improve the rotation potential energy of water flow, the shell 1 is rotatably connected with the magnetic yoke disc through a bearing, the shell 1 is of an annular structure, and fins for heat dissipation are arranged on the outer surface of the shell 1 in an annular mode.
During operation, the water pump motor is electrified and rotated, water flow enters the inner cavity of the motor shaft 2 from the outside through the water inlet of the motor shaft 2, the water pressure is increased at the position of the water inlet of the motor shaft 2 due to the fact that the cross section area of a water flow channel is reduced, the water flow pushes the first impeller 3 to rotate, meanwhile, water flows through the gap between the first impeller 3 and the motor shaft and enters the motor shaft 2, the motor shaft 2 is electrified and rotated, the water flow is subjected to inertia rotation, and the first impeller 3 drives the second impeller 4 to rotate through the connecting column;
the second impeller 4 is rotatory, and second impeller 4 sets up with first impeller 3 is reverse, and inside the second impeller 4 rotation quickens rivers flow and pushes out 2 with rivers in the motor shaft, and rivers obtain the secondary pressure boost and speed-up, and the lift of water pump obtains improving.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. The utility model provides a motor shaft pressure boost speeding structure for water pump, includes rotor and shell (1), its characterized in that, the rotor includes yoke dish and motor shaft (2), motor shaft (2) are the long structure of circle shape, and motor shaft (2) one end and yoke dish fixed connection, the other end pass through the bearing rotation with shell (1) and are connected, the inside of motor shaft (2) is provided with first impeller (3) and second impeller (4), first impeller (3) and second impeller (4) and motor shaft (2) fixed connection, the flabellum of first impeller (3) and second impeller (4) all rotates with motor shaft (2) and is connected, and first impeller (3) and second impeller (4) reverse setting has spliced pole (5), fixedly connected with between first impeller (3) and the second impeller (4).
2. The motor shaft supercharging and accelerating structure for the water pump according to claim 1, wherein the first impeller (3) and the second impeller (4) include a rotating shaft and blades, the first impeller (3) is disposed at a water inlet of the motor shaft (2), the rotating shaft is in a stepped cylindrical shape, the blades are annularly disposed at a small diameter end of the rotating shaft, a large diameter end of the rotating shaft is rotatably connected with an inner annular surface of the motor shaft (2) through a bearing, the second impeller (4) is disposed at a water outlet of the motor shaft (2), and a large diameter end of the rotating shaft of the second impeller (4) is rotatably connected with an inner annular surface of the motor shaft (2) through a bearing.
3. The water pump motor shaft supercharging and accelerating structure according to claim 2, wherein a spiral groove is formed in an inner annular surface of the motor shaft (2) between the first impeller (3) and the second impeller (4).
4. The motor shaft supercharging and accelerating structure for the water pump according to claim 3, wherein a protective shell (6) is arranged on the outer annular surface of the position of the water outlet and the water inlet of the motor shaft (2), the protective shell (6) is of a circular ring structure, the protective shell (6) and the motor shaft (2) are of an integrated structure, and the protective shell (6) is arranged outside the housing (1).
5. The motor shaft supercharging and accelerating structure for the water pump is characterized in that the shell (1) is rotatably connected with the magnetic yoke disc through a bearing, the shell (1) is of a ring-shaped structure, and fins for heat dissipation are annularly arranged on the outer surface of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146530.4U CN212536094U (en) | 2020-06-19 | 2020-06-19 | Motor shaft pressure boost speed-up structure for water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021146530.4U CN212536094U (en) | 2020-06-19 | 2020-06-19 | Motor shaft pressure boost speed-up structure for water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536094U true CN212536094U (en) | 2021-02-12 |
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ID=74547799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021146530.4U Active CN212536094U (en) | 2020-06-19 | 2020-06-19 | Motor shaft pressure boost speed-up structure for water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536094U (en) |
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2020
- 2020-06-19 CN CN202021146530.4U patent/CN212536094U/en active Active
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