CN215120396U

CN215120396U - Frequency conversion energy-saving motor for water pump

Info

Publication number: CN215120396U
Application number: CN202120986554.9U
Authority: CN
Inventors: 詹汉中
Original assignee: Shenzhen Shanye Aquatic Products Co ltd
Current assignee: Shenzhen Shanye Aquatic Products Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-12-10
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a frequency conversion energy-saving motor for a water pump, which comprises a water pump, wherein the water pump is provided with a shell, and the motor is arranged in the shell; the rotor-stator assembly comprises a stator assembly, a rotor assembly and a protective body; the stator component is sleeved on the protective body, and the rotor component is arranged in the protective body; an opening is formed in one end of the protective body, a first bearing is sleeved at the end, not provided with the opening, of the protective body, and the bearing is used for limiting the stator assembly; when the motor is electrified, the stator component generates a magnetic field, so that the rotor rotates, and an impeller arranged on the rotor is driven to rotate to pump water; the second bearing and the third bearing are sleeved with shaft sleeves to protect the second bearing and the third bearing of the rotor and prevent the rotor from shaking; the two stator windings are symmetrical in position, so that a more uniform magnetic field is generated, and the rotor is more beneficial to work.

Description

Frequency conversion energy-saving motor for water pump

Technical Field

The utility model relates to a water pump technical field especially relates to an energy-conserving water pump motor of frequency conversion.

Background

The motor mainly functions to generate driving torque, is used as a power source of electrical appliances or various machines, is widely applied in various fields of production and life of people, and makes great contribution to the development and progress of society, the motor comprises a plurality of types, wherein most of the motors are outer rotor brushless direct current motors, the outer rotor brushless direct current motors usually comprise a stator, a rotor, a controller and other components for controlling the starting and stopping of the motor, the rotating speed and the rotating direction of the rotor, and the like, under the normal condition, the rotor and the controller of the outer rotor brushless direct current motors are exposed outside, if the motor is in a humid environment, such as the motor used on a water suction pump, when the water suction pump pumps water, water is very easy to splash onto the exposed controller, so that the controller circuit is short-circuited, potential safety hazards exist, the use safety is low, and the exposed controller is easy to damage, so that the service life of the controller is shortened, thereby shortening the service life of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a motor for a variable-frequency energy-saving water pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a frequency conversion energy-saving motor for a water pump comprises the water pump, wherein the water pump is provided with a shell, and the motor is arranged in the shell; the wind power generator is characterized by comprising a stator assembly, a rotor assembly and a protective body; the stator component is sleeved on the protective body, and the rotor component is arranged in the protective body; an opening is formed in one end of the protection body, a first bearing is sleeved at the end, not opened, of the protection body, and the bearing is used for limiting the stator assembly.

Preferably, the stator assembly includes a stator core and two stator windings, and the two stator windings are respectively wound on the stator core.

Preferably, the rotor assembly comprises a rotor, a second bearing and a third bearing, and the second bearing and the third bearing are respectively sleeved at two ends of the rotor; one end of the rotor penetrates through the opening and is connected with the impeller.

Preferably, the second bearing and the third bearing are both sleeved with shaft sleeves.

Preferably, the two stator windings are symmetrically positioned.

Preferably, the protective body has a hollow cylindrical shape.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a frequency conversion energy-saving motor for a water pump, which is characterized in that the motor is electrified, and a stator component generates a magnetic field to rotate a rotor, thereby driving an impeller arranged on the rotor to rotate and pumping water; the second bearing and the third bearing are sleeved with shaft sleeves to protect the second bearing and the third bearing of the rotor and prevent the rotor from shaking; the two stator windings are symmetrical in position, so that a more uniform magnetic field is generated, and the rotor is more beneficial to work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the motor according to the present invention.

Illustration of the drawings:

1. a shell, a stator component 2,

3. a rotor assembly, 4, a protective body,

5. a first bearing, 21, a stator core,

22. the stator winding, 31, the rotor,

32. the second bearing, 33, the third bearing,

34. and a shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "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, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, the variable-frequency energy-saving motor for the water pump comprises a water pump, wherein the water pump is provided with a shell 1, and the motor is arranged in the shell 1; comprises a stator component 2, a rotor component 3 and a protective body 4; the stator assembly 2 is sleeved on the protection body 4, and the rotor assembly 3 is arranged in the protection body 4; an opening 41 is formed in one end of the protection body 4, a first bearing 5 is sleeved on one end, not provided with the opening 41, of the protection body 4, and the first bearing 5 is used for limiting the stator assembly 2.

The stator assembly 2 comprises a stator core 21 and two stator windings 22, wherein the two stator windings 22 are respectively wound on the stator core 21; the motor is powered on, and stator module produces magnetic field for rotor 31 rotates, thereby drives the impeller of installing on rotor 31 and rotates, draws water.

Preferably, the rotor assembly 3 includes a rotor 31, a second bearing 32 and a third bearing 33, and the second bearing 32 and the third bearing 33 are respectively sleeved at two ends of the rotor 31; one end of the rotor 31 passes through the opening 41 and is connected with the impeller; the second bearing 32 and the third bearing 33 are sleeved with bushings 34 to protect the rotor second bearing 32 and the third bearing 33, and the rotor 31 is prevented from shaking.

The two stator windings 22 are symmetrically positioned, so that a more uniform magnetic field is generated, and the operation of the rotor 31 is facilitated.

The protective body 4 is in a hollow cylindrical shape, and other cylinders with hollow inner parts can also be adopted.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A frequency conversion energy-saving motor for a water pump comprises the water pump, wherein the water pump is provided with a shell, and the motor is arranged in the shell; the wind power generator is characterized by comprising a stator assembly, a rotor assembly and a protective body; the stator component is sleeved on the protective body, and the rotor component is arranged in the protective body; an opening is formed in one end of the protection body, a first bearing is sleeved at the end, not opened, of the protection body, and the bearing is used for limiting the stator assembly.

2. The motor for the variable-frequency energy-saving water pump according to claim 1, wherein the stator assembly comprises a stator core and two stator windings, and the two stator windings are respectively wound on the stator core.

3. The motor for the variable-frequency energy-saving water pump according to claim 1, wherein the rotor assembly comprises a rotor, a second bearing and a third bearing, and the second bearing and the third bearing are respectively sleeved at two ends of the rotor; one end of the rotor penetrates through the opening and is connected with the impeller.

4. The motor for the variable-frequency energy-saving water pump according to claim 3, wherein a bushing is sleeved on each of the second bearing and the third bearing.

5. The motor for the variable-frequency energy-saving water pump according to claim 2, wherein the two stator windings are symmetrically positioned.

6. The motor for the water pump of claim 1, wherein the protecting body is hollow cylinder.