CN219436728U

CN219436728U - Air conditioner with inner rotor motor

Info

Publication number: CN219436728U
Application number: CN202320288359.8U
Authority: CN
Inventors: 王洪海; 纪泽轩; 韩香丽; 袁秀娟
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-07-28
Anticipated expiration: 2033-02-22

Abstract

The application provides an air conditioner with an inner rotor motor. The air conditioner includes casing and inner rotor motor, and the inner rotor motor includes: the stator is arranged in the shell and fixedly connected with the shell; the rotor is arranged in the stator, the rotor comprises an iron core, magnetic steel and a rotor shaft, the rotor shaft is positioned at the center of the rotor, the iron core is provided with a plurality of magnetic steels which are distributed in a circular array by taking the rotor shaft as the center, and the magnetic steel and the iron core are distributed at intervals; the damping part is connected with the rotor and comprises a connecting piece and a soft rubber piece, the soft rubber piece is connected with the rotor and is positioned in the stator, and the connecting piece is positioned at one side of the rotor, which is close to the fan blade; the fan blade is connected to one end of the connecting piece, which is far away from the stator; the soft rubber piece is formed by injection molding soft rubber between the connecting piece and the rotor; the rotor drives the damping part to rotate so as to drive the fan blade to rotate. The air conditioner is connected with the fan blade through the damping part by arranging the inner rotor motor, so that the total volume of the inner rotor motor and the fan blade is smaller.

Description

Air conditioner with inner rotor motor

Technical Field

The utility model relates to the technical field of household appliances, in particular to an air conditioner with an inner rotor motor.

Background

With the wide application of the fresh air conditioner, the fresh air conditioner becomes a type with more and more requirements when a user selects the air conditioner, the user puts forward smaller requirements on the volume of the fresh air conditioner, and lower requirements on the cost of the fresh air conditioner. The fresh air conditioner is provided with a fresh air module for introducing fresh air, the fresh air module comprises a motor and fan blades, the motor drives the fan blades to rotate so as to roll the outdoor fresh air into the fresh air channel, and accordingly the fresh air enters the fresh air conditioner and is conveyed to the indoor space, and air quality in the indoor environment is adjusted.

In the prior art, a split structure is arranged between the motor and the fan blade, so that the motor and the fan blade occupy a larger volume of the fresh air module, the whole size of the fresh air conditioner is larger, the manufacturing cost of the fresh air conditioner is higher, and the requirements of users on smaller volume and lower cost of the fresh air conditioner cannot be met.

Disclosure of Invention

The present utility model solves at least one of the technical problems in the related art to a certain extent.

To this end, this application aims at providing an air conditioner with inner rotor motor, and this air conditioner is through setting up to connect through the buffer unit between inner rotor motor and the fan blade, makes the total volume of inner rotor motor and fan blade less, and through setting up the soft rubber spare, the soft rubber spare can play the effect that slows down and transmits the vibration of rotor to the connecting piece and transmit to the fan blade again, can effectually reduce the influence of electromagnetic force to the solid frequency noise of fan blade.

An air conditioner with an inner rotor motor according to the present application includes:

a housing located at the outermost side of the air conditioner;

an inner rotor motor, comprising:

the stator is arranged in the shell and is fixedly connected with the shell;

the rotor is arranged in the stator and comprises an iron core, magnetic steel and a rotor shaft, the rotor shaft is positioned at the center of the rotor, the iron core is provided with a plurality of magnetic steels which are distributed in a circular array by taking the rotor shaft as the center, and the magnetic steel and the iron core are distributed at intervals;

the damping part is connected with the rotor and comprises a connecting piece and a soft rubber piece, the soft rubber piece is connected with the rotor and is positioned in the stator, and the connecting piece is positioned at one side of the rotor, which is close to the fan blade;

the fan blade is connected to one end of the connecting piece, which is far away from the stator;

the soft rubber piece is formed by injection molding soft rubber between the connecting piece and the rotor;

the rotor drives the damping part to rotate, and the damping part drives the fan blade to rotate.

In some embodiments of the present application, through hard gum injection molding between iron core, magnet steel and the rotor shaft, hard gum includes first hard gum and second hard gum, and first hard gum and second hard gum integrated into one piece, first hard gum forms in the clearance between rotor and the stator, and second hard gum forms in the clearance between rotor and connecting piece.

In some embodiments of the present application, the stator is a cylindrical structure, in which a mounting space is formed, the mounting space is used for mounting the stator and mounting the shock absorbing portion, a bearing is provided in the mounting space, and the rotor shaft is mounted on the bearing.

In some embodiments of the present application, the hard gel may be selected from nylon 66 or molding compound BMC or other injection molding material.

In some embodiments of the present application, a plurality of through holes and through grooves are formed in the hard adhesive, and when the soft adhesive is required to be injection molded, the soft adhesive can be injected from the through holes and the through grooves during production.

In some embodiments of the present application, the connecting piece and the fan blade are welded together by an ultrasonic welding process, and when the connecting piece rotates along with the rotation of the rotor, the connecting piece drives the fan blade to rotate together.

In some embodiments of the present application, a plane perpendicular to the central axis of the rotor shaft is a first plane, a projection of the iron core on the first plane is a sector, and a projection of the magnetic steel on the first plane is a rectangle.

In some embodiments of the present application, the flexible glue member is formed with a plurality of fixing grooves, the fixing grooves include a first groove and a second groove, the rotor is connected in the first groove, the connecting member is connected in the second groove, and the first groove and the second groove extend along the axial direction.

In some embodiments of the present application, the fan blade is of a cylindrical structure, and a rotation shaft is provided at a center of an end portion of the fan blade, which is far away from the stator, and supports the fan blade to rotate along the rotation shaft.

In some embodiments of the present application, an annular connection groove is formed on a side of the stator, which is close to the connecting piece, and a connection ring protruding towards the stator is formed on a side of the connecting piece, which is close to the stator, and the connection ring is connected in the connection groove.

The application has at least the following positive effects:

the application provides an air conditioner with an inner rotor motor. The air conditioner includes casing and inner rotor motor, and the inner rotor motor includes: the stator is arranged in the shell and fixedly connected with the shell; the rotor is arranged in the stator, the rotor comprises an iron core, magnetic steel and a rotor shaft, the rotor shaft is positioned at the center of the rotor, the iron core is provided with a plurality of magnetic steels which are distributed in a circular array by taking the rotor shaft as the center, and the magnetic steel and the iron core are distributed at intervals; the damping part is connected with the rotor and comprises a connecting piece and a soft rubber piece, the soft rubber piece is connected with the rotor and is positioned in the stator, and the connecting piece is positioned at one side of the rotor, which is close to the fan blade; the fan blade is connected to one end of the connecting piece, which is far away from the stator; the soft rubber piece is formed by injection molding soft rubber between the connecting piece and the rotor; the rotor drives the damping part to rotate so as to drive the fan blade to rotate. This air conditioner is through setting up between inner rotor motor and the fan blade through the buffer unit connection, makes the total volume of inner rotor motor and fan blade less, and through setting up the flexible glue spare, the flexible glue spare can play the vibration with the rotor slow down and transmit to the connecting piece and transmit the effect to the fan blade again, can effectually reduce the influence of electromagnetic force to the solid frequency noise of fan blade.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a view of an inner rotor motor and fan blade mating connection according to an embodiment of the present application;

fig. 2 is a view of an inner rotor motor and wind She Cafen according to an embodiment of the present application;

FIG. 3 is a disassembled view of a rotor and a shock absorber according to an embodiment of the present application;

FIG. 4 is a view of a mating connection of a rotor and a shock absorber according to an embodiment of the present application;

FIG. 5 is a view of a mating connection of a rotor and a shock absorber according to an embodiment of the present application;

FIG. 6 is a view of a rotor according to an embodiment of the present application;

FIG. 7 is another view of a perspective of a rotor according to an embodiment of the present application;

FIG. 8 is a view of a rotor with hard gelatin removed according to an embodiment of the present application;

FIG. 9 is a left side view of FIG. 5;

FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9;

FIG. 11 is a left side view of FIG. 1;

FIG. 12 is a cross-sectional view in the B direction of FIG. 11;

in the above figures: 1. a housing; 2. an inner rotor motor; 21. a stator; 211. an installation space; 212. a bearing; 213. a connection groove; 22. a rotor; 221. an iron core; 222. magnetic steel; 223. a rotor shaft; 23. a damper; 231. a connecting piece; 2311. connecting the circular rings; 232. a soft rubber piece; 2321. a first groove; 2322. a second groove; 24. hard glue; 241. a first hard adhesive; 242. a second hard adhesive; 243. a through hole; 244. a through groove; 3. a fan blade; 251. and (3) rotating the shaft.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular number of features being indicated. Thus, a feature defining "a first", "a second" or the like may include one or more such features explicitly or implicitly.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Hereinafter, embodiments of the present application will be described in detail with reference to fig. 1 to 12. In the figures, the side of the air conditioner with the inner rotor 22 motor 2 facing the user in use is defined as the front side, and the opposite side is defined as the rear side.

Along with the demand of customer to the new trend air conditioner increases gradually, people put forward more further requirement to the new trend air conditioner, the new trend air conditioner includes the new trend module, the new trend module is used for introducing the new trend to indoor environment, be equipped with the new wind pipe on the new trend module, new trend pipe intercommunication indoor environment and outdoor environment, the new trend module includes new fan and fan blade 3, rotate through the new fan and form the low pressure and drive the new trend and get into in the new trend module from the new wind pipe, and get into indoor environment through the new trend entry of new trend air conditioner, with play the effect to indoor environment's air quality improvement, can effectual increase the oxygen content in the indoor space, the effectual carbon dioxide content in the indoor environment that reduces, the effectual dilution people is in indoor environment for a long time in to indoor environment release peculiar smell etc. in, the comfort level of user's using the air conditioner has been greatly improved.

Because the application range of the fresh air conditioner is wider and wider, people put forward higher demands on the fresh air conditioner, hope that the fresh air conditioner has smaller volume, and can reduce the space occupied by the fresh air conditioner.

The application provides an air conditioner with less volume, the air conditioner includes inner rotor 22 motor 2, and inner rotor 22 motor 2 is as an organic whole, can reduce the inside space of the air conditioner that inner rotor 22 motor 2 occupy to make the air conditioner can have less volume, thereby reduce the indoor space that the air conditioner occupy.

The air conditioner includes a housing 11, the housing 11 being located at the outermost side of the air conditioner, the housing 11 having a protective effect for the air conditioner, the housing 11 being for protecting components inside the air conditioner, and providing an installation air conditioner of the internal components.

The air conditioner in this application is fresh air conditioner, and the air conditioner includes compressor, condenser, expansion valve and evaporimeter, carries out refrigeration cycle or heats the cycle through compressor, condenser, expansion valve and evaporimeter. The refrigerating cycle and the heating cycle comprise a compression process, a condensation process, an expansion process and an evaporation process, and cold or heat is provided for the indoor space through the heat absorption and release processes of the refrigerant, so that the temperature of the indoor space is regulated.

The compressor compresses the refrigerant gas into a high-temperature and high-pressure state and discharges the compressed refrigerant gas, and the discharged refrigerant gas flows into the condenser. The condenser condenses the compressed high-temperature and high-pressure gaseous refrigerant into a liquid refrigerant, and heat is released to the surrounding environment through the condensation process.

The liquid refrigerant flowing out of the condenser enters an expansion valve, and the expansion valve expands the liquid refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid refrigerant. The low-pressure liquid refrigerant flowing out of the expansion valve enters the evaporator, and when the liquid refrigerant flows through the evaporator, the heat absorbed by the liquid refrigerant evaporates into low-temperature low-pressure refrigerant gas, and the refrigerant gas in a low-temperature low-pressure state returns to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. Throughout the cycle, the air conditioner may adjust the temperature of the indoor space.

The air conditioner comprises an air conditioner indoor unit, an air conditioner outdoor unit and an expansion valve, wherein the air conditioner outdoor unit comprises a compressor and an outdoor heat exchanger, the air conditioner indoor unit comprises an indoor heat exchanger, and the expansion valve can be arranged in the air conditioner indoor unit or the air conditioner outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger can be used as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater of a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler of a cooling mode.

The inner rotor 22 motor 2 and the fan blade 3 are of an integrated structure, wherein the inner rotor 22 motor 2 comprises a stator 21 and a rotor 22, the stator 21 is arranged in the shell 11 and fixedly connected with the shell 11, and a relatively fixed state is kept between the stator 21 and the shell 11. In this embodiment, the stator 21 is fixedly connected to the housing 11 through an outer ring rubber ring.

The rotor 22 is provided inside the stator 21 and fixedly connected with the motor, the rotor 22 can rotate relative to the stator 21, and the rotor 22 is rotatably connected with the stator 21.

The rotor 22 includes a plurality of iron cores 221, a plurality of magnetic steels 222, and a rotor shaft 223, the rotor shaft 223 is located at a central position of the rotor 22, the iron cores 221 are arranged in a circular array with the rotor shaft 223 as a center, the magnetic steels 222 are arranged in a circular array with the rotor shaft 223 as a center, and the magnetic steels 222 and the iron cores 221 are arranged at intervals.

Specifically, an iron core 221 is disposed between two adjacent magnetic steels 222, a magnetic steel 222 is disposed between two adjacent magnetic steels 221, a rotor shaft 223 is located at the center of a circular array formed by the magnetic steels 222, the rotor shaft 223 is also located at the center of a circular array formed by the magnetic steels 221, the rotor shaft 223 and the magnetic steels 222 are fixedly connected through hard glue 24 injection molding, and rotation of the rotor shaft 223 can drive rotation of the magnetic cores 221 and the magnetic steels 222.

The damping part 23 is connected with the rotor 22, and the damping part 23 is used for reducing vibration of the rotor 22 transmitted to the fan blade 3, in this embodiment, the damping part 23 includes a connecting piece 231 and a soft rubber piece 232, the soft rubber piece 232 is connected with the rotor 22 and is located inside the stator 21, the connecting piece 231 is located at one side of the rotor 22 close to the fan blade 3, the soft rubber piece 232 can play the role of reducing vibration of the rotor 22 and transmitting to the connecting piece 231 and then transmitting to the fan blade 3, and can effectively reduce the influence of electromagnetic force on fixed frequency noise of the fan blade 3.

The fan blade 3 is connected at the one end of connecting piece 231 that keeps away from stator 21, and when rotor 22 rotated, rotor 22 drove damper 23 and rotates, and damper 23 includes the connecting piece 231 of being connected with the fan blade 3, and the connecting piece 231 drives fan blade 3 and rotates to form the low pressure in order to make outdoor wind get into fresh air module and blow into indoor from the fresh air export on the casing 11 from fresh air pipe.

The soft rubber member 232 is formed by injection molding between the connecting member 231 and the rotor 22, so that the rotor 22 can be fixedly connected with the soft rubber member 232, and the rotation of the rotor 22 can drive the rotation of the soft rubber member 232, so as to reduce the vibration transmitted from the rotor 22 to the connecting member 231, and reduce the vibration transmitted from the connecting member 231 to the fan blade 3.

When the motor drives the rotor 22 to rotate, the rotor 22 drives the damping part 23 to rotate, and the damping part 23 drives the fan blade 3 to rotate. The soft rubber member 232 can play a role in slowing down the vibration of the rotor 22 and transmitting to the connecting member 231 and then transmitting to the fan blade 3, and can effectively reduce the influence of electromagnetic force on the fixed frequency noise of the fan blade 3.

In this embodiment, the soft rubber member 232 is formed by injection molding between the connecting member 231 and the rotor 22, so that the shock absorbing portion 23 and the rotor 22 are integrally formed, the manufacturing steps are simple, the manufacturing cost is low, the rotor 22 and the fan blade 3 can be ensured to be fixedly connected, the complexity of the connecting structure between the motor 2 of the inner rotor 22 and the fan blade 3 is reduced, the internal volume of the fresh air conditioner commonly occupied by the motor 2 of the inner rotor 22 and the fan blade 3 can be effectively reduced, and the internal volume of the fresh air conditioner is smaller, so that the requirement of a user on less occupied indoor space of the fresh air conditioner can be met.

In the prior art, the fresh air conditioner comprises a fresh air module, the fresh air module comprises a motor and a fan blade 3, the motor drives the fan blade 3 to rotate so as to roll outdoor fresh air into a fresh air channel, and therefore the fresh air enters the fresh air conditioner and is conveyed to an indoor space, and air quality in an indoor environment is adjusted. The split type structure is arranged between the motor and the fan blade 3, so that the motor and the fan blade 3 occupy a larger volume of the fresh air module, the whole size of the fresh air conditioner is larger, the manufacturing cost of the fresh air conditioner is higher, and the requirements of users on smaller volume and lower cost of the fresh air conditioner cannot be met.

Compared with the prior art, the fresh air conditioner comprises an inner rotor 22 motor 2 and a fan blade 3, the inner rotor 22 motor 2 comprises a rotor 22 and a connecting piece 231, the connecting piece 231 is fixedly connected with the fan blade 3, the rotor 22 is connected with the connecting piece 231 through a soft rubber piece 232 formed by soft rubber injection molding, and therefore the inner rotor 22 motor 2 and the fan blade 3 are connected through a damping part 23.

In some embodiments of the present application, the core 221, the magnetic steel 222, and the rotor shaft 223 are injection molded by the hard cement 24, the hard cement 24 includes a first hard cement 241 and a second hard cement 242, the first hard cement 241 is formed in a gap between the rotor 22 and the stator 21, and the second hard cement 242 is formed in a gap between the rotor 22 and the connecting piece 231. The first hard adhesive 241 and the second hard adhesive 242 are integrally formed.

The iron core 221 and the magnetic steel 222 are arranged in a circular array, and when the iron core 221, the magnetic steel 222 and the rotor shaft 223 are injection molded through the hard glue 24, the iron core 221, the magnetic steel 222 and the rotor shaft 223 are in a disc shape and are jointly located in the space inside the stator 21.

Because the core 221, the magnetic steel 222 and the rotor shaft 223 are injection molded through the hard glue 24, the core 221, the magnetic steel 222 and the rotor shaft 223 are fixedly connected and rotate together, so that the rotor 22 can rotate in the inner space of the stator 21 stably, and the rotor 22 can rotate stably and output rotation to the fan blade 3.

In some embodiments of the present application, the stator 21 has a cylindrical structure in which a mounting space 211 is formed, the mounting space 211 is used for mounting the stator 21 and the mounting damper 23, a bearing 212 is provided in the mounting space 211, and a rotor shaft 223 is mounted on the bearing 212.

The stator 21 has a cylindrical structure, so that vibration transmitted by the stator 21 can be relatively uniform in all directions when the rotor 22 rotates, the service life of the stator 21 is prolonged, and the probability of damage of the stator 21 in the process of rotating the rotor 22 is reduced.

The installation space 211 is used for installing the stator 21 and installing the damper portion 23 so that the stator 21, the rotor 22, and the damper portion 23 overlap in the axial direction, thereby reducing the width of the inner rotor 22 motor 2 in the axial direction to reduce the volume of the inner rotor 22 motor 2.

The bearing 212 is provided in the installation space 211, the center of the bearing 212 is provided with an installation hole, and the rotor shaft 223 is installed on the installation hole in the center of the bearing 212, so that the rotor shaft 223 can be fixedly connected with the bearing 212.

In some embodiments of the present application, the hard gel 24 may be selected from nylon 66 or molding compound BMC or other injection molding material.

In some embodiments of the present application, the hard rubber 24 is provided with a plurality of through holes 243 and through grooves 244, and when the soft rubber 232 needs to be injection molded, the soft rubber 232 can be injected from the through holes 243 and the through grooves 244 during production.

Soft rubber is injected between the rotor 22 and the connecting piece 231 from the through holes 243 and the through grooves 244, the soft rubber has good fluidity, can be filled in the gap between the rotor 22 and the connecting piece 231, and can be solidified into a soft rubber piece 232 when being solidified, and the soft rubber piece 232 has good vibration reduction effect. The soft rubber penetrates between the rotor 22 and the connecting piece 231, when the rotor 22 rotates, the soft rubber piece 232 can rotate along with the rotation of the rotor 22, and the soft rubber piece 232 is fixedly connected with the connecting piece 231, so that the rotation of the rotor 22 can be transmitted to the connecting piece 231 through the soft rubber piece 232, and the influence of electromagnetic force on the fixed frequency noise of the fan blade 3 can be effectively reduced.

In some embodiments of the present application, the connection member 231 and the fan blade 3 are welded together by an ultrasonic welding process, and when the connection member 231 rotates along with the rotation of the rotor 22, the connection member 231 drives the fan blade 3 to rotate together.

Specifically, the connecting piece 231 and the fan blade 3 are welded through an ultrasonic welding process, so that the connecting piece 231 and the fan blade 3 can be effectively welded into a whole, and the connecting piece 231 can drive the fan blade 3 to rotate together in the process of rotating along with the rotor 22, so that the fan blade 3 rotates to form low pressure to drive external air flow into the new air pipe.

In this embodiment, the connecting piece 231 is disc-shaped, the connecting piece 231 has a first connecting surface matched with the peripheral outline of the fan blade 3, the first connecting surface is a circular surface, and the shape and the size of the first connecting surface are matched with the shape and the size of the end face of the fan blade 3, which is close to the first connecting surface, so that the fan blade 3 can be more firmly connected to the first connecting surface.

In some embodiments of the present application, the plane perpendicular to the central axis of rotor shaft 223 is a first plane, the projection of core 221 on the first plane is a sector, and the projection of magnetic steel 222 on the first plane is a rectangle.

The iron cores 221 are fan-shaped and the plurality of iron cores 221 are arranged in a circular array such that the iron cores 221 can be arranged in a circular array centering on the rotor shaft 223. The magnetic steel 222 is sandwiched between two adjacent iron cores 221, so that the magnetic steel 222 can be matched with the arrangement of the iron cores 221, so that the hard glue 24 can penetrate through the magnetic steel 222 and the iron cores 221, and the magnetic steel 222 and the iron cores 221 can be tightly matched and connected with the hard glue 24.

In some embodiments of the present application, the soft rubber 232 is formed with a plurality of fixing grooves, the fixing grooves include a first groove 2321 and a second groove 2322, the rotor 22 is connected in the first groove 2321, the connecting member 231 is connected in the second groove 2322, and the first groove 2321 and the second groove 2322 extend along the axial direction.

Specifically, the soft rubber member 232 flows in from the through hole 243 and the through groove 244 on the hard rubber 24 member, the soft rubber member 232 is formed in the gap between the rotor 22 and the connection member 231, and when injection molding, the soft rubber member 232 flows in the gap between the rotor 22 and the connection member 231, so that the soft rubber member 232 is formed to be able to fit the rotor 22 and the connection member 231.

The first groove 2321 is clamped on the rotor 22, the first groove 2321 is used for limiting the rotor 22 in the axial moving direction, the second groove 2322 is clamped on the connecting piece 231, the second groove 2322 is used for limiting the rotor 22 in the axial moving direction, and the first groove 2321 and the second groove 2322 are formed on the soft rubber piece 232, so that the limit of the soft rubber piece 232 on the rotor 22 and the connecting piece 231 is achieved, the relative position relationship between the rotor 22 and the connecting piece 231 is kept fixed, the rotor 22 can drive the soft rubber piece 232 to rotate in the rotating process, the connecting piece 231 is driven to rotate, the connecting piece 231 and the fan blade 3 are kept fixed, and the rotor 22 can drive the fan blade 3 to rotate.

In the installation space 211 of the stator 21, the installation space 211 is a cylindrical groove, the soft rubber member 232 is formed in a gap between the rotor 22 and the connection member 231, and the soft rubber member 232 is disk-shaped.

In some embodiments of the present application, the fan blade 3 has a cylindrical structure, and a rotation shaft 251 is disposed at the center of the end of the fan blade 3 away from the stator 21, where the rotation shaft 251 supports the fan blade 3 to rotate along the rotation shaft 251.

The fan blade 3 includes a first end plate and a second end plate disposed opposite to each other, the first end plate being connected to the connection member 231, and the second end plate being connected to the rotation shaft 251. Be equipped with wind-guiding blade 3 between first end plate and the second end plate, wind-guiding blade 3 extends along the extending direction of rotation axis 251, and wind-guiding blade 3 has a plurality ofly, and a plurality of wind-guiding blades 3 are connected in the peripheral edge department of first end plate and second end plate, and when fan blade 3 rotatory, wind-guiding blade 3 is rotatory to make fan blade 3 department form the low pressure, in order to make the air in the external environment get into fresh air module through the fresh air pipe, the fresh air export on the rethread casing 11 blows fresh air to indoor environment in.

In some embodiments of the present application, an annular connection groove 213 is provided on a side of the stator 21 near the connection member 231, and a connection ring 2311 protruding toward the stator 21 is provided on a side of the connection member 231 near the stator 21, and the connection ring 2311 is connected in the connection groove 213.

Specifically, the opening of the annular groove faces the fan blade 3, so that the connection ring 2311 is connected in the annular groove, and the connection ring 2311 can be inserted in the annular groove, so that the connection member 231 is rotationally connected with the stator 21, the connection member 231 can rotate relative to the stator 21, and meanwhile the connection ring 2311 can rotate in the annular groove.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An air conditioner having an inner rotor motor, comprising:

a housing located at an outermost side of the air conditioner;

an inner rotor motor, comprising:

the stator is arranged in the shell and is fixedly connected with the shell;

the rotor is arranged in the stator and comprises an iron core, magnetic steel and a rotor shaft, the rotor shaft is positioned at the center of the rotor, the iron core is provided with a plurality of magnetic steels which are distributed in a circular array by taking the rotor shaft as the center, the magnetic steel is provided with a plurality of magnetic steels which are distributed in a circular array by taking the rotor shaft as the center, and the magnetic steel and the iron core are distributed at intervals;

the damping part is connected with the rotor and comprises a connecting piece and a soft rubber piece, and the soft rubber piece is connected with the rotor and positioned in the stator;

the fan blade is connected to one end, far away from the stator, of the connecting piece; the connecting piece is positioned on one side of the rotor, which is close to the fan blade;

2. The air conditioner with an inner rotor motor according to claim 1, wherein the core, the magnetic steel and the rotor shaft are injection molded by hard glue, the hard glue comprises a first hard glue and a second hard glue, the first hard glue and the second hard glue are integrally molded, the first hard glue is formed in a gap between the rotor and the stator, and the second hard glue is formed in a gap between the rotor and the connecting piece.

3. The air conditioner with an inner rotor motor according to claim 1, wherein the stator has a cylindrical structure in which an installation space for installing the stator and the shock absorbing portion is formed, a bearing is provided in the installation space, and the rotor shaft is installed on the bearing.

4. The air conditioner with an inner rotor motor according to claim 2, wherein the hard glue is nylon 66 or plastic molding compound BMC.

5. The air conditioner with an inner rotor motor according to claim 2, wherein the hard rubber is provided with a plurality of through holes and through grooves, and when the soft rubber piece is required to be injection-molded, the soft rubber piece can be injected from the through holes and the through grooves during production.

6. The air conditioner with an inner rotor motor according to claim 1, wherein the connecting piece and the fan blade are welded together through an ultrasonic welding process, and when the connecting piece rotates along with the rotation of the rotor, the connecting piece drives the fan blade to rotate together.

7. The air conditioner with an inner rotor motor according to claim 1 or 6, wherein a plane perpendicular to a central axis of the rotor shaft is a first plane, a projection of the iron core on the first plane is a sector, and a projection of the magnetic steel on the first plane is a rectangle.

8. The air conditioner with an inner rotor motor according to claim 1, wherein a plurality of fixing grooves are formed on the soft rubber member, the fixing grooves include a first groove and a second groove, the rotor is connected in the first groove, the connecting member is connected in the second groove, and the first groove and the second groove extend in an axial direction.

9. An air conditioner with an inner rotor motor according to claim 1 or 8, wherein the fan blade is of a cylindrical structure, a rotation shaft is provided at a center of an end portion of the fan blade away from the stator, and the rotation shaft supports the fan blade to rotate along the rotation shaft.

10. An air conditioner with an inner rotor motor according to claim 1 or 8, characterized in that an annular connecting groove is provided on the side of the stator close to the connecting piece, a connecting ring protruding toward the stator is provided on the side of the connecting piece close to the stator, and the connecting ring is connected in the connecting groove.