CN212343581U

CN212343581U - Motor and washing machine

Info

Publication number: CN212343581U
Application number: CN202021512280.1U
Authority: CN
Inventors: 郭丙春
Original assignee: Foshan Welling Washer Motor Manufacturing Co Ltd; Huaian Welling Motor Manufacturing Co Ltd
Current assignee: Foshan Welling Washer Motor Manufacturing Co Ltd; Huaian Welling Motor Manufacturing Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-01-12
Anticipated expiration: 2030-07-27

Abstract

The application provides a motor and washing machine, the motor includes stator module, the rotor subassembly, a controller, first end cover and second end cover, the controller is located in the space that first end cover and second end cover enclose, the rotor subassembly includes the pivot, rotor body and bearing, the internal surface arch of first end cover is provided with annular bearing wall, the inside of annular bearing wall is formed with the bearing chamber that holds the bearing, the structure has been seted up to the controller, the annular bearing wall passes dodges the structure setting, make the controller be fixed in the internal surface that has annular bearing wall of first end cover. The application provides a motor and washing machine, built-in with the controller, can simplify the mounting structure of controller and need not to set up the controller cover, dodge the structure through seting up on the controller, make the controller can fix the terminal surface at first end cover, do not occupy the axial space of motor as far as possible, reduce the volume of motor.

Description

Motor and washing machine

Technical Field

The application belongs to the technical field of household appliances, and particularly relates to a motor and a washing machine.

Background

Household appliances are essential in daily life, and the appearance of the household appliances such as washing machines replaces manpower washing, so that the hands of people are liberated. In the washing machine, a tub of the washing machine is driven by a motor and controlled by a controller, and the present controller is fixed to the outside of the motor and a controller cover is provided outside the controller for protecting the controller. When the controller is external, the required structural components and corresponding mounting structures are more, so that the overall structure is complex. In order to simplify the structure, some manufacturers integrate the controller inside the motor, but the motor is oversized and the cost of the motor is increased.

Disclosure of Invention

An object of the embodiment of the application is to provide a motor and a washing machine, so as to solve the technical problems that the external installation structure of a controller is complex, and the built-in controller causes the motor to have overlarge volume and increased cost in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a motor, includes stator module, rotor subassembly, controller, first end cover and second end cover, stator module rotor subassembly with the controller is all located in the space that first end cover with the second end cover encloses, the rotor subassembly includes the pivot, locates the rotor body of pivot periphery and be used for supporting the bearing of pivot, the internal surface arch of first end cover is provided with annular bearing wall, the inside of annular bearing wall is formed with and is used for holding the bearing chamber of bearing, the controller has been seted up and has been dodged the structure, annular bearing wall passes dodge the structure setting, make the controller be fixed in the first end cover have the internal surface of annular bearing wall.

In one embodiment, the avoiding structure is a central hole arranged in the middle of the controller; or the avoiding structure is a notch extending from the center of the control part to the edge.

In one embodiment, the first end cover comprises an end cover bottom wall and an annular side wall, the annular side wall is formed by extending the edge of the end cover bottom wall along the axial direction of the rotating shaft, and the controller is fixed on the end cover bottom wall.

In one embodiment, the controller includes a control board disposed parallel to the end cap bottom wall and electronics integrated on the control board.

In one embodiment, the axial height of the bearing cavity is H1, the distance between the surface of the control plate facing away from the end cover bottom wall and the end cover bottom wall is H2, H1> H2, the end cover bottom wall, the annular side wall, the outer wall of the annular bearing wall and the side of the control plate facing the end cover bottom wall enclose a glue cavity, and the glue cavity is filled with glue.

In one embodiment, the first end cap and/or the second end cap are provided with mounting feet for connection with an external structure.

In one embodiment, the controller is welded, riveted, or secured to the first end cap by fasteners.

In one embodiment, the first end cover is provided with a heat dissipation structure, and the heat dissipation structure and the controller are respectively arranged on two opposite sides of the first end cover.

In one embodiment, the heat dissipation structure comprises a heat dissipation seat fixed on the first end cover and a plurality of heat dissipation fins arranged on the heat dissipation seat at intervals; or, the heat radiation structure comprises a plurality of heat radiation fins which are arranged on the first end cover at intervals.

In one embodiment, the heat dissipation structure and the first end cap are integrally or separately molded.

In one embodiment, the first end cap is made of an insulating material and the heat dissipation structure is made of a metallic material.

The application also provides a washing machine comprising the motor.

The application provides a motor and washing machine's beneficial effect lies in: compared with the prior art, this application motor includes stator module, rotor subassembly, controller, first end cover and second end cover, and the controller is built-in with the controller in locating the space that first end cover and second end cover enclose, can simplify the mounting structure of controller and need not to set up the controller cover. The first end cover is internally provided with an annular bearing wall, a bearing cavity for accommodating a bearing is formed inside the annular bearing wall, and the controller can be fixed on the inner surface of the first end cover with the annular bearing wall by arranging an avoiding structure on the controller, namely the controller is fixed on the end surface of the first end cover, so that the axial space of the motor is not occupied as far as possible, the size of the motor is reduced, and the cost of the motor is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front view of an electric motor provided in an embodiment of the present application;

fig. 2 is a cross-sectional view of a motor provided in an embodiment of the present application;

FIG. 3 is a top view of a first endcap and a controller provided in accordance with an embodiment of the present application;

FIG. 4 is a cross-sectional view of a first endcap and a controller provided in accordance with an embodiment of the present application;

fig. 5 is a perspective structural view of a first end cap according to an embodiment of the present application;

fig. 6 is an exploded view of a first end cap according to an embodiment of the present disclosure.

Wherein, in the figures, the respective reference numerals:

1-a first end cap; 11-end cap bottom wall; 12-an annular side wall; 13-an annular bearing wall; 130-a bearing cavity; 14-a heat dissipation structure; 141-a heat sink; 142-a heat sink; 15-mounting a window; 16-glue cavity; 2-a second end cap; 3-a stator assembly; 4-a rotor assembly; 41-a rotating shaft; 42-a rotor body; 43-a bearing; 5-a controller; 51-an avoidance structure; 52-first connection hole; 6-mounting the foot.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The motor provided in the embodiment of the present application will now be described.

Referring to fig. 1 and 2, in one embodiment of the present application, the motor includes a first end cap 1, a second end cap 2, a stator assembly 3, a rotor assembly 4, and a controller 5, the first end cap 1 and the second end cap 2 are fixedly connected, and the stator assembly 3, the rotor assembly 4, and the controller 5 are all disposed in a space enclosed by the first end cap 1 and the second end cap 2, so that the controller 5 is disposed inside the motor, and a controller cover and an installation structure thereof are not required to be disposed, thereby simplifying the installation structure. The rotor assembly 4 includes a rotating shaft 41, a bearing 43 and a rotor body 42, the rotor body 42 is disposed at the periphery of the rotating shaft 41, two ends of the rotating shaft 41 are respectively supported on the first end cover 1 and the second end cover 2 through the bearing 43, that is, the first end cover 1 and the second end cover 2 both have a bearing cavity 130, and the bearing cavity 130 is used for placing the bearing 43 to support the rotating shaft 41. More specifically, the first end cover 1 is provided with a ring-shaped bearing wall 13 protruding from the inside thereof, a bearing cavity 130 is formed inside the ring-shaped bearing wall 13, the bearing 43 is fixed in the bearing cavity 130, and one end of the rotating shaft 41 near the first end cover 1 extends into the bearing 43 of the bearing cavity 130. The controller 5 is provided with an avoiding structure 51 for avoiding the annular bearing wall 13, so that the annular bearing wall 13 can pass through the controller 5. In this way, the controller 5 can go over the annular bearing wall 13 and then be fixed to the surface of the first end cap 1 having the annular bearing wall 13, so that the controller 5 can utilize the axial space occupied by the annular bearing wall 13 without excessively increasing the volume of the motor, and thus the increased production cost when the controller 5 is built in can be reduced.

The motor in the above embodiment includes stator module 3, rotor module 4, controller 5, first end cover 1 and second end cover 2, and controller 5 is located in the space that first end cover 1 and second end cover 2 enclose, embeds controller 5, can simplify the mounting structure of controller 5 and need not to set up the controller cover. The first end cover 1 is internally provided with the annular bearing wall 13, the inside of the annular bearing wall 13 forms a bearing cavity 130 for accommodating the bearing 43, and the controller 5 is provided with the avoiding structure 51, so that the controller 5 can be fixed on the inner surface of the first end cover 1 with the annular bearing wall 13 by crossing the annular bearing wall 13, namely the controller 5 is fixed on the end surface of the first end cover 1, the axial space of the motor is not occupied as much as possible, the volume of the motor is reduced, and the cost of the motor is reduced.

In one embodiment of the present application, referring to fig. 3 and 4, the avoiding structure 51 is a central hole disposed in the middle of the controller 5, and the inner diameter of the central hole is larger than the outer diameter of the annular bearing wall 13, so that the annular bearing 43 wall 13 can smoothly pass through the controller 5. In other embodiments, the avoiding structure 51 is a notch extending from the center of the controller 5 to the controller 5, such that when the controller 5 is assembled, the annular bearing wall 13 can enter the center of the controller 5 from the notch, which can be U-shaped. The specific shape of the escape structure 51 is not limited here, and the annular bearing wall 13 may be passed through.

In one embodiment of the present application, referring to fig. 4, the first end cap 1 includes an end cap bottom wall 11 and an annular side wall 12, and the annular side wall 12 is formed by extending an edge of the end cap bottom wall 11 along an axial direction of the rotating shaft 41. The annular bearing wall 13 is connected to the end cover bottom wall 11, and is formed by extending the end cover bottom wall 11 in the axial direction of the rotating shaft 41. Accordingly, the controller 5 is fixed to the end cover bottom wall 11, and the axial space of the annular bearing wall 13 can be utilized.

Optionally, the controller 5 includes a control board and an electronic device integrated on the control board, and the control board is disposed in parallel with the end cover bottom wall 11, so that the control board is close to the end cover bottom wall 11, which is more favorable for heat dissipation of the controller 5 and also facilitates utilization of the axial space of the annular bearing wall 13.

Wherein the control board can be fixed to the first end cap 1 by welding, riveting or by fasteners, and the specific fixing manner of the control board is not limited herein. When the control panel is fixed in first end cover 1 through the fastener, seted up first connecting hole 52 on the control panel, the corresponding second connecting hole of having seted up on first end cover 1, the fastener passes first connecting hole 52 and second connecting hole, is fixed in the control panel on first end cover 1.

Optionally, referring to fig. 4, the height of the bearing cavity 130 is H1, the distance between the surface of the controller 5 facing away from the end cover bottom wall 11 and the end cover bottom wall 11 is H2, and H1 is greater than H2. When the height H1 of the bearing cavity 130 is greater than H2, the controller 5 does not exceed the top of the annular bearing wall 13 in the axial direction of the rotating shaft 41, and the axial length of the motor is not increased additionally, so that the volume of the motor is not increased additionally. Like this, the outer wall of end cover diapire 11, annular lateral wall 12, annular bearing wall 13 and the control panel enclose to close towards end cover diapire 11 one side and form gluey chamber 16, and each side of gluey chamber 16 comprises each wall of foretell, makes gluey chamber 16 be the closure form, can glue the inside encapsulating of chamber 16, and the heat dispersion that can strengthen controller 5 is glued the inside encapsulating of chamber 16, prevents the inside of heat reverse transfer to motor.

In one embodiment of the present application, the first end cap 1 and/or the second end cap 2 is provided with mounting feet 6 for connection with an external structure. Specifically, referring to fig. 1, the first end cap 1 is provided with a mounting foot 6, and the mounting foot 6 is used for being fixedly connected with an external structure such as a water storage barrel, so that the motor can be fixed on the external structure. The mounting feet 6 can be provided with mounting holes for mounting. Referring to fig. 3, the second end cap 2 is provided with a mounting leg 6, and the motor can be fixed to an external structure through the mounting leg 6, or can be matched with the mounting leg 6 of the first end cap 1 together, so as to fix the motor to the external structure.

In one embodiment of the present application, referring to fig. 5 and fig. 6, the first end cap 1 is provided with a heat dissipation structure 14, and the heat dissipation structure 14 and the controller 5 are respectively disposed on two opposite sides of the first end cap 1, so that heat generated by the controller 5 is quickly dissipated through the heat dissipation structure 14. More specifically, the heat dissipation structure 14 and the controller 5 are respectively provided on opposite sides of the end cover bottom wall 11. Wherein, the control panel of the controller 5 can be closely arranged to the heat dissipation structure 14, so that the generated heat can be quickly dissipated.

Optionally, the heat dissipation structure 14 includes a plurality of fins 141 disposed at intervals, or the heat dissipation structure 14 is a sheet structure such as heat dissipation silica gel, heat dissipation graphite, or the like. Wherein, the heat sink 141 is directly fixed on the first end cap 1. In another embodiment, the heat dissipating structure 14 includes a heat dissipating base 142 and a plurality of heat dissipating fins 141 spaced apart from each other, the heat dissipating base 142 is fixed on the first end cap 1 and can directly contact with the controller 5, and the heat dissipating fins 141 are fixed on the heat dissipating base 142.

In one embodiment of the present application, the heat dissipation structure 14 and the first end cap 1 are integrally formed, and may be manufactured by an injection molding or casting process. In other embodiments of the present application, the heat dissipation structure 14 and the first end cover 1 are formed separately, the first end cover 1 is provided with an installation window 15, and the heat dissipation structure 14 is fixed at the installation window 15, so that the controller 5 can directly contact with the heat dissipation structure 14, and the heat dissipation efficiency is accelerated.

Alternatively, the first end cap 1 is made of an insulating material, such as a mass molded plastic, a resin material, other common plastics, etc., and since the first end cap 1 is made of an insulating material, it is possible to further reduce the size of the motor regardless of the electric gap and the creepage distance. The first end cap 1 may of course also be made of metal. The heat dissipation structure 14 is made of a metal material, and can ensure its heat dissipation efficiency. In other embodiments, the heat dissipation structure 14 may also be made of heat dissipation silicone, heat dissipation graphite, or the like.

Optionally, the outer wall of the first end cover 1 is provided with a reinforcing rib, which can enhance the strength of the first end cover 1. Particularly, when the first end cover 1 is made of a non-metal material, the strength of the first end cover is lower than that of a metal end cover, and the rigidity of the first end cover 1 can be improved by arranging the reinforcing ribs.

The application also provides a washing machine, which comprises the motor in any one of the above embodiments, wherein the motor comprises a stator assembly 3, a rotor assembly 4, a controller 5, a first end cover 1 and a second end cover 2, the controller 5 is arranged in a space enclosed by the first end cover 1 and the second end cover 2, the controller 5 is arranged in the controller, the installation structure of the controller 5 can be simplified, and a controller cover is not required to be arranged. The first end cover 1 is internally provided with the annular bearing wall 13, the bearing cavity 130 for accommodating the bearing 43 is formed inside the annular bearing wall 13, and the controller 5 is provided with the avoiding structure 51, so that the controller 5 can be fixed on the inner surface of the first end cover 1 with the annular bearing wall 13, namely the controller 5 is fixed on the end surface of the first end cover 1, the axial space of the motor is not occupied as far as possible, the volume of the motor is reduced, and the cost of the motor and the cost of the washing machine are reduced.

Optionally, the washing machine further includes a water storage tub to which the motor is fixed by a fastener or the like.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a motor, its characterized in that includes stator module, rotor subassembly, controller, first end cover and second end cover, stator module the rotor subassembly with the controller is all located in the space that first end cover with the second end cover encloses, the rotor subassembly includes the pivot, locates the rotor body of pivot periphery and be used for supporting the bearing of pivot, the internal surface arch of first end cover has annular bearing wall, the inside of annular bearing wall is formed with and is used for holding the bearing chamber of bearing, the controller has been seted up and has been dodged the structure, the annular bearing wall passes dodge the structure setting, make the controller be fixed in the interior surface that has of first end cover annular bearing wall.

2. The motor of claim 1, wherein: the avoiding structure is a central hole arranged in the middle of the controller; or the avoiding structure is a notch extending from the center of the controller to the edge.

3. The motor of claim 1, wherein: the first end cover comprises an end cover bottom wall and an annular side wall, the annular side wall is formed by extending the edge of the end cover bottom wall in the axial direction of the rotating shaft, and the controller is fixed on the end cover bottom wall.

4. The motor of claim 3, wherein: the controller includes a control board disposed parallel to the end cap bottom wall and electronics integrated on the control board.

5. The motor of claim 4, wherein: the axial height of bearing chamber is H1, the control panel dorsad the surface of end cover diapire with distance between the end cover diapire is H2, H1> H2, the end cover diapire the annular lateral wall the outer wall of annular bearing wall and the control panel towards end cover diapire one side encloses to close and forms gluey chamber, glue the intracavity encapsulating setting.

6. The motor according to any one of claims 1 to 5, wherein: and the first end cover and/or the second end cover are/is provided with mounting feet for connecting with an external structure.

7. The motor according to any one of claims 1 to 5, wherein: the controller is welded, riveted or otherwise secured to the first end cap by fasteners.

8. The motor according to any one of claims 1 to 5, wherein: the first end cover is provided with a heat dissipation structure, and the heat dissipation structure and the controller are respectively arranged on two opposite sides of the first end cover.

9. The motor of claim 8, wherein: the heat dissipation structure comprises a heat dissipation seat fixed on the first end cover and a plurality of heat dissipation fins arranged on the heat dissipation seat at intervals; or, the heat radiation structure comprises a plurality of heat radiation fins which are arranged on the first end cover at intervals.

10. The motor of claim 8, wherein: the heat dissipation structure and the first end cover are integrally formed or formed in a split mode.

11. The motor of claim 8, wherein: the first end cover is made of an insulating material, and the heat dissipation structure is made of a metal material.

12. Washing machine, its characterized in that: comprising an electric motor according to any of claims 1-11.