Motor and air conditioner

Abstract

The utility model discloses a motor and an air conditioner. The motor comprises a rotor assembly, a stator assembly and a plastic-coated shell. The stator assembly is located on the radial outer side of the rotor assembly, the plastic-coated shell is arranged outside the stator assembly, the plastic-coated shell and the stator assembly are integrally formed, the plastic-coated shell comprises a body and an installation lug, the installation lug is arranged on the peripheral wall of the body, and the surface of the side, in the axial direction of the body, of the installation lug is an installation face and is flush with the axial end face of the same side of the body. According to the motor of the utility model, the motor is convenient to install, stress concentration can be avoided, the structural stability can be improved, and the cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, and particularly to a motor and an air conditioner. Background Art

[0002] In related technologies, as an important device for converting electrical energy into mechanical energy, motors play a key role in many fields such as compressors, refrigeration equipment, and household appliances. Generally, a plastic-coated shell is provided on the motor to play a role in insulation and protection, and the installation structure is arranged on the plastic-coated shell. However, the existing motors have problems such as stress concentration at the installation structure, poor structural strength, and high cost. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a motor which is convenient for installation, can avoid stress concentration, improve structural stability and reduce costs at the same time.

[0004] The utility model also provides an air conditioner including the above-mentioned motor.

[0005] The motor according to the embodiment of the utility model includes: a rotor assembly, a stator assembly, and a plastic-coated shell. The stator assembly is located radially outside the rotor assembly. The plastic-coated shell is arranged outside the stator assembly and integrally formed with the stator assembly. The plastic-coated shell includes a body and mounting ears. The mounting ears are arranged on the outer peripheral wall of the body. One surface of the mounting ear along the axial direction of the body is the mounting surface and is flush with the axial end surface on the same side as the body.

[0006] By arranging the mounting ears of the plastic-coated shell on the outer peripheral wall of the body and making the mounting surface on one side of the mounting ear along the axial direction of the body flush with the axial end surface on the same side as the body, the motor according to the embodiment of the utility model can facilitate fixation and installation, reduce the risk of stress concentration at the mounting ears, improve the structural stability and reliability of the motor, and extend its service life. At the same time, under the same stress requirements, when the mounting surface of the mounting ear is flush with the axial end surface on the same side as the body, the thickness of the mounting ear along the axial direction of the body can be reduced, thereby reducing the material consumption of the mounting ear and further reducing the manufacturing cost of the motor.

[0007] According to some embodiments of the utility model, the mounting ear is located at one end of the body in the axial direction, and the surface of the mounting ear facing away from the other end in the axial direction of the body is the mounting surface.

[0008] According to some embodiments of the utility model, in the radially outward direction of the body, the surface of the mounting ear facing away from the mounting surface is inclined towards the mounting surface.

[0009] In some embodiments of the present utility model, the mounting ear is provided with a mounting hole that penetrates the mounting ear in the axial direction of the body.

[0010] In some embodiments of the present utility model, the mounting hole has a notch, and the notch is located at an end of the mounting ear facing away from the body.

[0011] In some embodiments of the present utility model, a first groove is provided on a surface of the mounting ear facing away from the mounting surface, and the mounting hole penetrates the bottom wall of the first groove and is spaced apart from the side wall of the first groove.

[0012] In some embodiments of the present utility model, a second groove is provided on a surface of the mounting ear facing away from the mounting surface, and the second groove communicates with the first groove and is located on a side of the first groove close to the body.

[0013] In some embodiments of the present utility model, the mounting ear and the body are an integral part; and / or, a plurality of mounting ears are spaced apart along the circumferential direction of the body.

[0014] An air conditioner according to an embodiment of the present utility model includes: the above-mentioned motor.

[0015] By arranging the stator assembly for the motor in the plastic-coated shell, and at the same time arranging the mounting ear of the plastic-coated shell on the outer peripheral wall of the body, and making the mounting surface on one side of the mounting ear along the axial direction of the body flush with the axial end surface on the same side of the body, the air conditioner according to an embodiment of the present utility model can facilitate the fixing and installation, reduce the risk of stress concentration at the mounting ear, thereby improving the structural stability and reliability of the plastic-coated shell and prolonging its service life, and thus can improve the stability and reliability of the motor and the air conditioner. At the same time, under the same stress requirements, when the mounting surface of the mounting ear is flush with the axial end surface on the same side of the body, the thickness of the mounting ear along the axial direction of the body can be reduced, thereby reducing the material consumption of the mounting ear, reducing the manufacturing cost of the plastic-coated shell and the motor, and further reducing the cost of the air conditioner.

[0016] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:

[0018] Figure 1 is the front view of the plastic-coated shell of the motor according to an embodiment of the present utility model;

[0019] Figure 2It is the left view of the plastic-coated shell of the motor according to an embodiment of the present invention;

[0020] Figure 3 It is the cross-sectional view of the motor according to an embodiment of the present invention.

[0021] Reference numerals:

[0022] 100, plastic-coated shell;

[0023] 1, body; 11, first end face;

[0024] 2, mounting ear; 21, mounting surface; 22, mounting hole; 23, notch; 24, first groove; 25, second groove;

[0025] 3, stator assembly;

[0026] 300, motor;

[0027] 4, rotor assembly; 41, rotor core; 42, rotor magnet;

[0028] 5, rotating shaft. Detailed implementation manners

[0029] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation to the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0031] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] The following describes a motor 300 according to an embodiment of the present utility model with reference to the accompanying drawings.

[0033] As Figure 1 and Figure 2 shown, the motor 300 according to an embodiment of the present utility model includes a rotor assembly 4, a stator assembly 3, and a plastic-coated housing 100.

[0034] Specifically, as Figure 1 、 Figure 2 and Figure 3 shown, the stator assembly 3 is located radially outside the rotor assembly 4, and the plastic-coated housing 100 is provided outside the stator assembly 3 and integrally formed with the stator assembly 3. Among them, the plastic-coated housing 100 includes a body 1 and mounting ears 2. The mounting ears 2 are provided on the outer peripheral wall of the body 1. One surface of the mounting ears 2 along the axial direction of the body 1 is a mounting surface 21 and is flush with the axial end surface on the same side as the body 1.

[0035] It can be understood that the rotor assembly 4 is rotatably provided in the stator assembly 3. The motor 300 is further provided with a rotating shaft 5. The rotating shaft 5 passes through the rotor assembly 4 and is connected to the rotor assembly 4. One end of the rotating shaft 5 extends from the side of the body 1 facing away from the mounting surface 21. The rotor assembly 4 includes a rotor core 41, a rotor magnet 42, etc. The rotor magnet 42 can be a permanent magnet or an electromagnet. The stator assembly 3 can generate a rotating magnetic field after being energized. The rotor magnet 42 can respond to the rotating magnetic field generated by the stator assembly 3, generate magnetic force, and make the rotor core 41 rotate, thereby providing torque to drive the rotating shaft 5 to rotate. One end of the rotating shaft 5 extends from the side of the body 1 facing away from the mounting surface 21, so that the mounting surface 21 can be used for the installation of the motor 300, and at the same time, it does not interfere with the rotation of the rotating shaft 5, and the normal operation and installation of the motor 300 can be realized.

[0036] The stator assembly 3 includes a stator core, a stator winding, etc. The stator winding is wound around the stator core. When the stator winding is energized, the stator core can generate a rotating magnetic field. The stator assembly 3 is provided in the plastic-coated housing 100. The plastic-coated housing 100 can be formed by coating the stator assembly 3 through processes such as injection molding. The plastic-coated housing 100 has the functions of insulation and protection, and can also enhance the mechanical strength of the stator assembly 3, thereby improving the electrical performance and safety of the motor 300.

[0037] Among them, the mounting ear 2 is provided on the outer peripheral wall of the body 1, and the mounting ear 2 is used for fixing and mounting the motor 300. One surface of the mounting ear 2 along the axial direction of the body 1 is the mounting surface 21 and is flush with the axial end surface on the same side of the body 1, which can facilitate the fixing and mounting of the motor 300. As Figure 1 and Figure 3 shown in the example, along the axial direction of the body 1, the axial end surface of the body 1 on the same side as the mounting surface 21 of the mounting ear 2 is specifically the first end surface 11, and the outer peripheral edge portion of the first end surface 11 is flush with the mounting surface 21.

[0038] Among them, when mounting the motor 300, the mounting surface 21 is the surface of the mounting ear 2 facing the fixing member for fixing the motor 300.

[0039] Furthermore, by setting the mounting surface 21 of the mounting ear 2 to be flush with the axial end surface on the same side of the body 1, that is, the mounting surface 21 and the axial end surface on the same side of the body 1 are a smooth plane without structures such as protrusions and corners. Compared with the case where the mounting surface of the mounting ear is spaced from the axial end surface on the same side of the body in the axial direction of the body, it can effectively reduce the stress of the mounting ear 2 and reduce the risk of stress concentration at the mounting ear 2 during installation. It can improve the safety and reliability of the structure of the mounting ear 2 and extend its service life, thereby enhancing the structural stability and service life of the plastic-coated shell 100, and further enhancing the structural stability and service life of the motor 300. At the same time, under the same stress requirements, when the mounting surface 21 of the mounting ear 2 is flush with the axial end surface on the same side of the body 1, the thickness of the mounting ear 2 along the axial direction of the body 1 can be reduced, thereby reducing the material usage of the mounting ear 2, and further reducing the manufacturing cost of the plastic-coated shell 100 and the motor 300.

[0040] According to the motor 300 of the embodiment of the present invention, by providing the mounting ear 2 of the plastic-coated shell 100 on the outer peripheral wall of the body 1 and making the mounting surface 21 on one side of the mounting ear 2 along the axial direction of the body 1 flush with the axial end surface on the same side of the body 1, it can facilitate fixing and mounting, and can also reduce the risk of stress concentration at the mounting ear 2, thereby improving the structural stability and reliability of the motor 300 and extending its service life. At the same time, under the same stress requirements, when the mounting surface 21 of the mounting ear 2 is flush with the axial end surface on the same side of the body 1, the thickness of the mounting ear 2 along the axial direction of the body 1 can be reduced, thereby reducing the material usage of the mounting ear 2, and further reducing the manufacturing cost of the motor 300.

[0041] In some embodiments of the present invention, such as Figure 1 and Figure 3As shown, the mounting ear 2 is located at one end of the body 1 in the axial direction. The surface of the mounting ear 2 facing away from the other end of the body 1 in the axial direction is the mounting surface 21. This facilitates making the mounting surface 21 of the mounting ear 2 flush with the axial end face on the same side of the body 1. The structural arrangement is reasonable and convenient for processing. It can effectively reduce the risk of stress concentration at the mounting ear 2 during installation, improve the safety and reliability of the structure of the mounting ear 2, and extend its service life, thereby enhancing the structural stability and service life of the plastic-coated shell 100 and the motor 300. For example, as Figure 1 and Figure 3 shown in the example, the mounting ear 2 is provided at one end of the body 1 close to the first end face 11 in the axial direction. The surface of the mounting ear 2 close to the first end face 11 is the mounting surface 21, and the first end face 11 is flush with the mounting surface 21.

[0042] In some embodiments of the present utility model, as Figure 1 and Figure 3 shown, in the direction radially outward of the body 1, the surface of the side of the mounting ear 2 facing away from the mounting surface 21 is inclined towards the mounting surface 21. In the direction radially inward of the body 1, the thickness of the mounting ear 2 in the axial direction of the body 1 gradually increases, and the structural strength of the mounting ear 2 close to the body 1 gradually increases. Thus, the connection strength between the mounting ear 2 and the body 1 can be enhanced, thereby improving the structural stability and reliability of the plastic-coated shell 100 and extending its service life, and further improving the structural stability and service life of the motor 300.

[0043] In some embodiments of the present utility model, as Figure 2 shown, the mounting ear 2 has a mounting hole 22 that penetrates the mounting ear 2 in the axial direction of the body 1. The mounting hole 22 is used for fixation and installation. The structural design is reasonable, the installation difficulty can be reduced and the cost is low. The operator only needs to fix according to the position of the mounting hole 22. At the same time, the mounting hole 22 can ensure that mounting parts such as fasteners are firmly fixed in the mounting position, reducing the risk of damage caused by vibration or impact. For example, the operator can pass a fastener such as a bolt that matches the mounting hole 22 through the mounting hole 22 to complete the fixation and installation of the motor 300 provided with the plastic-coated shell 100.

[0044] In some embodiments of the present utility model, as Figure 2 shown, the mounting hole 22 has a notch 23, and the notch 23 is located at the end of the mounting ear 2 facing away from the body 1. The structure of the notch 23 is simple, easy to implement and low in cost, which can provide convenience for installation and disassembly. The operator can put in or take out a mounting part such as a fastener from the notch 23, reducing the operation difficulty of installation and disassembly, and thus can improve the efficiency of installation and disassembly. On the other hand, the notch 23 can reduce the weight of the plastic-coated shell 100 without affecting the structural strength of the mounting ear 2, and is thus beneficial to the transportation and installation of the motor 300.

[0045] In some embodiments of the present invention, Figure 2 As shown, the mounting ear 2 has a first groove 24 on the side surface facing away from the mounting surface 21, and the mounting hole 22 penetrates the bottom wall of the first groove 24 and is spaced apart from the side wall of the first groove 24. The first groove 24 can play a role of limiting and positioning, further facilitating the installation at the mounting ear 2. During the installation process, the first groove 24 can be used as a positioning reference, and can be used in conjunction with mounting parts such as gaskets and bolts, which helps to reduce installation errors and reduce the difficulty of operation for operators, thereby improving installation efficiency and quality.

[0046] In some embodiments of the present invention, Figure 2 As shown, the mounting ear 2 has a second groove 25 on the surface of the side away from the mounting surface 21, and the second groove 25 is connected to the first groove 24 and is located on the side of the first groove 24 close to the body 1. The position of the second groove 25 does not affect the fixed connection of the mounting ear 2, nor is it a key position that affects the structural strength of the mounting ear 2. Therefore, the weight of the overmolded shell 100 can be reduced without affecting the structural strength of the mounting ear 2, and the transportation and installation of the motor 300 can be facilitated. At the same time, the material usage of the overmolded shell 100 can be reduced, thereby effectively reducing the manufacturing cost of the motor 300.

[0047] In some embodiments of the present invention, Figure 1 and Figure 2 As shown, the mounting ear 2 and the body 1 are an integral part, and can be integrally processed by a process such as injection molding, which can reduce the production process and thus improve production efficiency. At the same time, the connection strength between the mounting ear 2 and the body 1 can be enhanced, thereby enhancing the overall structural stability and reliability of the overmolded shell 100 and the motor 300.

[0048] In some embodiments of the present invention, Figure 2 As shown, the mounting ears 2 are multiple and spaced apart along the circumferential direction of the body 1. The multiple mounting ears 2 can form multiple mounting positions in the circumferential direction of the body 1, so that the motor 300 provided with the overmolded shell 100 can be fixedly installed at multiple locations in the circumferential direction of the body 1, thereby enhancing the connection stability between the motor 300 and the connected part. At the same time, the force between the overmolded shell 100 and the connected part can be dispersed to the multiple mounting ears 2, thereby reducing the stress generated by each mounting ear 2, thereby reducing the risk of damage to the mounting ear 2 and extending the service life of the overmolded shell 100 and the motor 300.

[0049] The air conditioner according to the embodiment of the present utility model is described below.

[0050] The air conditioner according to the embodiment of the utility model includes: the above-mentioned motor 300.

[0051] Among them, the air conditioner includes an indoor unit and an outdoor unit. The above-mentioned motor 300 can be the motor 300 that drives the blower in the outdoor unit of the air conditioner, or the motor 300 that drives the impeller in the indoor unit of the air conditioner.

[0052] For the air conditioner according to the embodiment of the present invention, by arranging the stator assembly 3 for the motor 300 in the plastic-coated shell 100, and at the same time arranging the mounting ears 2 of the plastic-coated shell 100 on the outer peripheral wall of the body 1, and making the mounting surface 21 on one side of the mounting ear 2 along the axial direction of the body 1 flush with the axial end surface on the same side of the body 1, it can facilitate the fixing and installation, and can also reduce the risk of stress concentration at the mounting ear 2, thereby improving the structural stability and reliability of the plastic-coated shell 100 and extending its service life, so as to improve the stability and reliability of the motor 300 and the air conditioner. At the same time, under the same stress requirements, when the mounting surface 21 of the mounting ear 2 is flush with the axial end surface on the same side of the body 1, the thickness of the mounting ear 2 along the axial direction of the body 1 can be reduced, thereby reducing the material consumption of the mounting ear 2, reducing the manufacturing cost of the plastic-coated shell 100 and the motor 300, and further reducing the cost of the air conditioner.

[0053] Other components of the motor 300 according to the embodiment of the present invention, such as the stator core, stator winding, rotor core 41, rotor magnet 42, etc., and the operations are known to those of ordinary skill in the art and will not be described in detail here.

[0054] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0055] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A motor, characterized in that: include: Rotor assembly; a stator assembly, the stator assembly being located radially outside the rotor assembly; A plastic-coated shell, wherein the plastic-coated shell is arranged outside the stator assembly and the plastic-coated shell and the stator assembly are integrally formed, the plastic-coated shell comprises a body and a mounting ear, the mounting ear is arranged on the outer peripheral wall of the body, and a surface of one side of the mounting ear along the axial direction of the body is a mounting surface and is flush with the axial end surface on the same side of the body.

2. The motor according to claim 1, characterized in that The mounting ear is located at one end of the body in the axial direction, and the surface of the mounting ear away from the other end of the body in the axial direction is the mounting surface.

3. The motor according to claim 1, characterized in that In the radial outward direction of the body, a surface of the mounting ear facing away from the mounting surface is inclined toward the mounting surface.

4. The motor according to claim 1, characterized in that The mounting ear is provided with a mounting hole which penetrates the mounting ear in the axial direction of the body.

5. The motor according to claim 4, characterized in that The mounting hole has a notch, and the notch is located at an end of the mounting ear away from the body.

6. The motor according to claim 4, characterized in that A first groove is formed on a surface of the mounting ear on a side away from the mounting surface, and the mounting hole penetrates through a bottom wall of the first groove and is spaced apart from a side wall of the first groove.

7. The motor according to claim 6, characterized in that A second groove is formed on a surface of the mounting ear that is away from the mounting surface. The second groove is communicated with the first groove and is located on a side of the first groove that is close to the body.

8. The motor according to claim 6, characterized in that The mounting ear and the body are an integral piece; And / or, the mounting ears are multiple and spaced apart along the circumferential direction of the body.

9. An air conditioner, characterized in that: Comprising a motor according to any one of claims 1-8.

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