CN215009905U

CN215009905U - Brushless DC motor structure for washing machine

Info

Publication number: CN215009905U
Application number: CN202022817374.6U
Authority: CN
Inventors: 何梦琦; 谢静娟
Original assignee: Huzhou Nanxun Xinlong Motor Co ltd
Current assignee: Huzhou Nanxun Xinlong Motor Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-12-03
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a brushless DC motor structure for washing machine, including motor main body, motor main body is including stator, rotor and end cover, and the rotor sets up at the stator internal rotation to set up the end cover at the both ends of stator, the rotor extends the main shaft and passes the end cover setting at both ends, the main shaft extends respectively to motor main body's both ends, and wherein the shaping has annular meshing section on the main shaft of one end, and meshing section side direction meshing is connected with washing machine's working part and is set up, and the diameter of meshing section is less than the biggest external diameter of main shaft to keep away empty setting with working part, the terminal shaping of the other end of main shaft has the draw-in groove, and the fixed tip joint spare that sets up on the draw-in groove, the fixed main epaxial cup joint structure of joint spare. The main purpose of this device is for the motor provides better mounting structure's form change, reduces the volume of motor itself, obtains better economic benefits for the enterprise.

Description

Brushless DC motor structure for washing machine

Technical Field

The utility model relates to a motor structure among the domestic appliance specifically is a direct current brushless motor structure for washing machine.

Background

The washing machine is a common household appliance, the washing machine drives a roller therein to rotate through a motor, the effect of rolling and rubbing clothes back and forth in the washing machine is achieved, and therefore the effect of removing clothes stains is achieved, the motor is a core component of operation work of the washing machine, the whole load operation of the roller is driven when the motor operates, along with the improvement of living conditions and the development of information technology, the household appliance is developed towards the direction of intellectualization, the intelligent household appliance environment not only realizes automation, but also needs to meet the diversified requirements of daily life of people, the washing machine is a common household appliance, different washing requirements of people and different washing strengths are needed to be solved, the washing strength mainly depends on the rotation of the roller, and the driving of the motor is a main realization form for realizing different changes of the roller, the variable frequency operation of the motor can not only reduce the power consumption of the washing machine, but also adjust the output torque force to achieve the purpose of accurate control, and the washing machine motor also needs to be developed towards the direction of miniaturization, so that the volume is reduced as much as possible, and a room is provided for the overall design of the washing machine.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a direct current brushless motor structure for washing machine.

The utility model provides a technical scheme that above-mentioned problem adopted is: including the motor main part, the motor main part is including stator, rotor and end cover, and the rotor sets up at the stator internal rotation to set up the end cover at the both ends of stator, the rotor extends the main shaft and passes the end cover setting at both ends, the main shaft extends respectively to the both ends of motor main part, and wherein the shaping has annular meshing section on the main shaft of one end, and meshing section side direction meshing is connected with washing machine's working part and is set up, and the diameter of meshing section is less than the maximum external diameter of main shaft to keep away the empty setting with working part, the terminal shaping of the other end of main shaft has the draw-in groove, fixedly sets up tip joint spare on the draw-in groove, the epaxial cup joint structure of joint spare fixing.

The device is a motor form improved on the structure of the washing machine motor, mainly aims to provide better form change of a mounting structure for the motor, the conventional motor mostly directly uses the axial driving force to limit the mounting position of the motor, there is a space limitation in the overall design of the washing machine, the structure cannot be further optimized, and by providing the engaging portion on the shaft end, the axial force can be changed into other torsion through a meshed structure, a gear, a rack or a ball sleeve and the like, the installation change of the motor is greatly expanded, the motor can improve the working efficiency of the motor, reduce the volume of the motor, reduce the manufacturing cost, provide more choices for a whole machine manufacturer, provide more design optimization directions for conventional household appliances, accord with the direction of technical development, and obtain better economic benefits for enterprises.

Further, motor main part fixed connection support frame, support frame fix motor main part in washing machine's installation space, the support frame shaping has ring flange, high hoisting frame and fixed baseplate, fixed baseplate is the level setting to it is fixed with washing machine's major structure, the coaxial fixed connection of the axle terminal surface of ring flange and end cover, connect through high hoisting frame between ring flange and the fixed baseplate, mutual right angle between high hoisting frame and the fixed baseplate is connected. The motor main part is fixed through stable support frame, has improved the stability of motor to practice thrift the volume.

Furthermore, the height lifting frame is formed with a weight reducing opening, the edge of the weight reducing opening is arc-shaped and is formed in a fillet transition mode, and one side edge of the weight reducing opening is matched with the annular edge structure of the flange plate. The support frame adopts a weight reduction structure mode, the support strength of the support frame is improved, the integral bending of a support structure surface is avoided, and the service life of the structure is prolonged.

Furthermore, the whole support frame is formed by stamping and bending a sheet structure, a plurality of lightening holes are formed in the surface of the support frame, corresponding concave structures are formed in the surfaces of the corresponding end covers, and the edges of the end covers and the concave parts are correspondingly installed and formed. The whole sheet structure that is of support frame, the effectual of support to the support frame adopts stamping forming, can the shaping lightening hole and the sunk structure who corresponds with the terminal surface, and the precision of installation is better, the steady quality.

Furthermore, the flange plate is bent outwards to form a positioning plate, and the positioning plate is arranged opposite to the positioning hole in the washing machine. The locating plate is used for facilitating locating during installation, and because the part connected with the flange plate is of an annular structure, the locating plate can be quickly located and installed, installation efficiency is improved, and installation errors are reduced.

Compared with the prior art, the utility model, have following advantage and effect: the device is a motor form improved on the structure of the washing machine motor, mainly aims to provide better form change of a mounting structure for the motor, the conventional motor mostly directly uses the axial driving force to limit the mounting position of the motor, there is a space limitation in the overall design of the washing machine, the structure cannot be further optimized, and by providing the engaging portion on the shaft end, the axial force can be changed into other torsion through a meshed structure, a gear, a rack or a ball sleeve and the like, the installation change of the motor is greatly expanded, the motor can improve the working efficiency of the motor, reduce the volume of the motor, reduce the manufacturing cost, provide more choices for a whole machine manufacturer, provide more design optimization directions for conventional household appliances, accord with the direction of technical development, and obtain better economic benefits for enterprises.

Drawings

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

In the figure: 1. motor main part, 2, end cover, 3, meshing section, 4, draw-in groove, 5, support frame, 6, ring flange, 7, high hoisting frame, 8, fixed baseplate, 9, subtract heavy trompil.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

The utility model provides a brushless DC motor structure for washing machine, includes motor body 1, motor body 1 is including stator, rotor and end cover 2, and the rotor sets up at the stator internal rotation to set up end cover 2 at the both ends of stator, the rotor extends the main shaft and passes the end cover 2 setting at both ends, the main shaft extends respectively to motor body 1's both ends, and wherein the shaping has annular meshing section 3 on the main shaft of one end, and 3 side direction meshing of meshing section are connected with washing machine's working part and are set up, and the diameter of meshing section 3 is less than the biggest external diameter of main shaft to keep away the sky with working part and set up, and the terminal shaping of the other end of main shaft has draw-in groove 4, and the fixed tip joint spare that sets up on the draw-in groove 4, the epaxial cup joint structure of joint spare fixing.

1 fixed connection support frame 5 of motor main part, support frame 5 fixes motor main part 1 in washing machine's installation space, 5 shaping of support frame have ring flange 6, high hoisting frame 7 and fixed baseplate 8, fixed baseplate 8 sets up for the level to it is fixed with washing machine's major structure, the coaxial fixed connection of shaft terminal surface of ring flange 6 and end cover 2, connect through high hoisting frame 7 between ring flange 6 and the fixed baseplate 8, mutual right angle between high hoisting frame 7 and the fixed baseplate 8 is connected.

The height lifting frame 7 is formed with a lightening opening 9, the edge of the lightening opening 9 is arc-shaped and is formed in a fillet transition way, and one side edge of the lightening opening is matched with the annular edge structure of the flange plate 6.

The support frame 5 is integrally formed by stamping and bending a sheet structure, a plurality of lightening holes are formed in the surface of the support frame, corresponding concave structures are formed in the surface of the corresponding end cover 2, and the edge of the end cover 2 and the concave parts are correspondingly formed in an installing mode.

And the flange 6 is bent outwards to form a positioning plate, and the positioning plate is arranged opposite to the positioning hole in the washing machine.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a brushless DC motor structure for washing machine, includes motor main part (1), its characterized in that: motor body (1) is including stator, rotor and end cover (2), and the rotor sets up at the stator internal rotation to set up end cover (2) at the both ends of stator, the rotor extends the main shaft and passes end cover (2) settings at both ends, the main shaft extends respectively to the both ends of motor body (1), and wherein the shaping has annular meshing section (3) on the main shaft of one end, and meshing section (3) side direction meshing is connected with washing machine's working part and is set up, and the diameter of meshing section (3) is less than the maximum external diameter of main shaft to keep away empty with working part and set up, and the terminal shaping of the other end of main shaft has draw-in groove (4), and fixed tip joint spare that sets up on draw-in groove (4), the epaxial cup joint structure of joint spare fixing.

2. The structure of the brushless dc motor for a washing machine according to claim 1, wherein: motor main part (1) fixed connection support frame (5), support frame (5) are fixed motor main part (1) in washing machine's installation space, support frame (5) shaping has ring flange (6), high hoisting frame (7) and fixed baseplate (8), fixed baseplate (8) set up for the level to fixed with washing machine's major structure, the coaxial fixed connection of shaft end face of ring flange (6) and end cover (2), connect through high hoisting frame (7) between ring flange (6) and fixed baseplate (8), mutual right angle between high hoisting frame (7) and the fixed baseplate (8) is connected.

3. The brushless dc motor structure of claim 2, wherein: the height lifting frame (7) is formed with a weight reducing opening (9), the edge of the weight reducing opening (9) is arc-shaped and is formed in a fillet transition mode, and one side edge of the weight reducing opening is matched with the annular edge structure of the flange plate (6).

4. The brushless dc motor structure of claim 3, wherein: the support frame (5) is integrally formed by stamping and bending a sheet structure, a plurality of lightening holes are formed in the surface of the support frame, corresponding concave structures are formed in the surface of the corresponding end cover (2), and the edge of the end cover (2) and the concave parts are correspondingly installed and formed.

5. The brushless dc motor structure of claim 2, wherein: and the flange (6) is provided with a positioning plate which is bent outwards and is arranged opposite to the positioning hole on the washing machine.