Outer rotor motor, fan component and air conditioner

Abstract

The utility model discloses an external rotor motor, a fan component and an air conditioner, the external rotor motor comprises a rotor assembly, a stator assembly and a limiting assembly, the rotor assembly comprises a rotating shaft and a rotor, and the rotating shaft and the rotor cooperate to rotate synchronously; the stator assembly comprises a stator, the stator is provided with a center hole, the rotor sleeves the stator and is coupled and matched with the stator, the rotating shaft penetrates through the center hole, and a matched bearing is arranged between the rotating shaft and the stator; the limiting assembly is detachably matched with at least one of the stator and the rotor so as to be switched between a positioning state and a releasing state, in the positioning state, the limiting assembly is constructed to position the position of the rotor assembly in the axial direction of the rotating shaft, and in the releasing state, the limiting assembly releases positioning limitation on the rotor assembly. Therefore, the rotor assembly and the stator assembly can be positioned by using the limiting assembly, so that damage caused by collision between the rotor assembly and the stator assembly can be prevented in the carrying process, and the service life of the outer rotor motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of air conditioners, in particular to an outer rotor motor, a fan component and an air conditioner. Background Art

[0002] As the functions of air conditioners increase, the size of air conditioner indoor units is getting larger and larger, and the space occupied is increasing, which affects the user experience. In the related art, air conditioner indoor units usually use outer rotor motors to drive the crossflow impeller to reduce the overall size of the air conditioner indoor units. However, in some extreme working conditions, such as external force impact during transportation, the coordination between the rotor and the stator in the outer rotor motor will be affected, thereby affecting the normal operation of the air conditioner. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an outer rotor motor, which can use a limit assembly to position the rotor assembly and the stator assembly, and can prevent the rotor assembly and the stator assembly from colliding and causing damage during transportation.

[0004] According to an embodiment of the utility model, the outer rotor motor includes: a rotor assembly, the rotor assembly includes a rotating shaft and a rotor, the rotating shaft and the rotor cooperate to rotate synchronously; a stator assembly, the stator assembly includes a stator, the stator is provided with a center hole, the rotor sleeve is arranged outside the stator and is coupled with the stator, the rotating shaft is passed through the center hole, and a matching bearing is provided between the rotating shaft and the stator; a limit assembly, the limit assembly is detachably matched with at least one of the stator and the rotor to switch between a positioning state and a release state, in the positioning state the limit assembly is configured to position the rotor assembly in the axial direction of the rotating shaft, and in the release state the limit assembly releases the positioning restriction on the rotor assembly.

[0005] According to the outer rotor motor of the embodiment of the utility model, by setting a limit assembly, the rotor assembly and the stator assembly can be positioned by the limit assembly. In this way, during the transportation process, the rotor assembly and the stator assembly can be prevented from colliding and causing damage, which is beneficial to improving the service life of the outer rotor motor.

[0006] According to some embodiments of the utility model, the outer rotor motor comprises a shell and a first excitation component arranged on the inner wall of the shell, an end of the shell is provided with an open mouth, the stator comprises an end cover and a second excitation component arranged on the end cover, the first excitation component is outermostly disposed on the second excitation component, the end cover covers the open mouth, and the limit assembly is detachably arranged between the shell and the end cover.

[0007] According to the outer rotor motor of some embodiments of the present invention, in the positioning state, a portion of the limit assembly is located radially outside the housing.

[0008] According to the outer rotor motor of some embodiments of the present invention, in the positioning state, the limit assembly is in abutment contact with the housing and the end cover respectively.

[0009] According to some embodiments of the external rotor motor of the present invention, the casing includes a main body and a surrounding portion, the surrounding portion extends along the circumference of the main body and is sleeved on the radial outside of the second excitation component, the limiting assembly is supported between the surrounding portion and the end cover, and the orthographic projection of the surrounding portion along the axial direction of the rotating shaft is located in the middle of the limiting assembly along the radial direction of the rotating shaft.

[0010] According to the outer rotor motor of some embodiments of the present invention, the limiting assembly includes a plurality of limiting members arranged at intervals, and the plurality of limiting members are arranged at intervals along the circumference of the end cover.

[0011] According to the outer rotor motor of some embodiments of the present invention, the plurality of limit members are evenly spaced apart and arranged along the circumference of the end cover; or, the plurality of limit members are symmetrically arranged along the radial direction of the rotating shaft.

[0012] According to the outer rotor motor of some embodiments of the present invention, the limiting assembly is constructed in a ring shape.

[0013] According to some embodiments of the outer rotor motor of the present invention, the stator is provided with a shoulder portion extending into the center hole, and the matching bearing and the shoulder portion are axially arranged opposite to each other; the outer rotor motor also includes a buffer component, which is arranged between the shoulder portion and the matching bearing and is constructed to be compressibly deformable.

[0014] According to the outer rotor motor of some embodiments of the present invention, in the axial direction of the rotating shaft, matching bearings are provided on both sides of the shaft shoulder portion, and the buffer member is provided between each matching bearing and the shaft shoulder portion.

[0015] According to the outer rotor motor of some embodiments of the present invention, the buffer is formed as a corrugated gasket.

[0016] According to some embodiments of the utility model, the outer rotor motor, the matching bearing includes an inner ring, an outer ring and a rolling element, the rolling element is rotatably arranged between the inner ring and the outer ring, the inner ring is outermostly arranged on the rotating shaft, and the outer ring is arranged on the stator.

[0017] The utility model also provides a fan component.

[0018] The fan component according to the embodiment of the utility model comprises a driving wind wheel and an outer rotor motor according to any one of the above embodiments, and the rotating shaft is connected to the driving wind wheel.

[0019] According to the fan components of some embodiments of the utility model, the driving wind wheel is a crossflow wind wheel, and the outer rotor motor is connected to one axial end of the crossflow wind wheel.

[0020] The utility model further provides an air conditioner.

[0021] An air conditioner according to an embodiment of the utility model includes a fan component according to any of the above embodiments.

[0022] The fan component, the air conditioner and the outer rotor motor have the same advantages as those of the prior art, which will not be described in detail here.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1 is a schematic diagram of an outer rotor motor according to some embodiments of the utility model;

[0026] Figure 2 It is a schematic diagram of the installation of the limit assembly according to some embodiments of the utility model;

[0027] Figure 3 It is a schematic diagram of the installation of the limit assembly according to other embodiments of the utility model;

[0028] Figure 4 Schematic diagram of installation of the limit assembly according to some embodiments of the utility model;

[0029] Figure 5 is a schematic diagram of an outer rotor motor according to other embodiments of the utility model;

[0030] Figure 6 It is a schematic diagram of a fan component according to an embodiment of the utility model.

[0031] Reference numerals:

[0032] Fan parts 1000;

[0033] Outer rotor motor 100; driving wind wheel 200; supporting base 300;

[0034] Rotor assembly 1; shaft 11; axial direction X of the shaft; rotor 12; housing 121; open opening 1211; main body 122; surrounding portion 123;

[0035] stator assembly 2; stator 21; end cover 211; second excitation member 212; center hole 22; shaft shoulder 23;

[0036] Matching bearing 3; buffer member 4; limit assembly 5; limit member 51. DETAILED DESCRIPTION

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Hereinafter, an outer rotor motor 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

[0041] like Figure 1-Figure 6As shown, according to an embodiment of the utility model, the outer rotor motor 100 includes: a rotor assembly 1, a stator assembly 2 and a limit assembly 5, the rotor assembly 1 includes a rotating shaft 11 and a rotor 12, and the rotating shaft 11 and the rotor 12 cooperate to rotate synchronously; the stator assembly 2 includes a stator 21, the stator 21 is provided with a center hole 22, the rotor 12 is sleeved on the outside of the stator 21 and coupled with the stator 21, the rotating shaft 11 is passed through the center hole 22, and a matching bearing 3 is provided between the rotating shaft 11 and the stator 21; the limit assembly 5 is detachably matched with at least one of the stator 21 and the rotor 12 to switch between a positioning state and a release state, in the positioning state the limit assembly 5 is configured to position the rotor assembly 1 in the axial direction X of the rotating shaft 11, and in the release state the limit assembly 5 releases the positioning restriction on the rotor assembly 1.

[0042] Therefore, the limiting assembly 5 can be used to position the rotor assembly 1 and the stator assembly 2, so that during the transportation process, the rotor assembly 1 and the stator assembly 2 can be prevented from colliding and causing damage, which is beneficial to improving the service life of the outer rotor motor 100.

[0043] For example, refer to Figure 1-Figure 2 As shown, the outer rotor motor 100 includes: a rotor assembly 1 and a stator assembly 2. The rotor assembly 1 includes a rotating shaft 11 and a rotor 12, and the rotating shaft 11 and the rotor 12 cooperate to rotate synchronously. For example, the rotating shaft 11 can be passed through the rotor 12 and fixedly connected to the rotor 12 so that the rotating shaft 11 can drive the rotor 12 to rotate synchronously, or the rotating shaft 11 can be directly fixed on the rotor 12 so that the two rotate synchronously, which is not limited here.

[0044] The stator assembly 2 includes a stator 21, which is provided with a center hole 22. The rotating shaft 11 protrudes from one side of the rotor 12 and is inserted into the center hole 22. The rotor 12 is sleeved outside the stator 21 so that the rotor 12 can be used to protect the stator 21. The rotor 12 is coupled with the stator 21 so that the stator 21 can drive the rotor 12 to drive the rotating shaft 11 to rotate synchronously. A matching bearing 3 is provided between the rotating shaft 11 and the stator 21. The matching bearing 3 can be sleeved on the rotating shaft 11, and the matching bearing 3 is supported on the inner wall of the center hole 22 so that the rotating shaft 11 can be rotatably matched with the stator 21 through the matching bearing 3.

[0045] Furthermore, the outer rotor motor 100 also includes a limit assembly 5, which can be detachably matched with at least one of the stator 21 and the rotor 12, such as the limit assembly 5 can be detachably matched with the stator 21, or the limit assembly 5 can be detachably matched with the rotor 12; or, the limit assembly 5 can be detachably matched with the stator 21 and the rotor 12 respectively, and the present application does not impose any restrictions on this.

[0046] The limiting assembly 5 has a positioning state and a release state. In the positioning state, the limiting assembly 5 is configured to position the rotor assembly 1 in the axial direction X of the rotating shaft 11, and in the release state, the limiting assembly 5 releases the positioning restriction on the rotor assembly 1. For example, the limiting assembly 5 can be configured as a clamping pad, which is used to clamp between the rotor 12 and the stator 21.

[0047] Of course, the present application is not limited to this. The limit assembly 5 can also be constructed as a buckle, which can be movably mounted on the rotor 12 and used to selectively engage with the stator assembly 2. The limit assembly 5 can also be set as other structures with a limit function.

[0048] Specifically, when the outer rotor motor 100 needs to be transported, the limit assembly 5 can be connected to at least one of the stator 21 and the rotor 12 to switch to the positioning state, and the limit assembly 5 can position the rotor assembly 1 and the stator assembly 2 along the axial direction X of the rotating shaft 11, so that when the outer rotor motor 100 is impacted, the rotor assembly 1 and the stator assembly 2 can be prevented from colliding; and when the outer rotor motor 100 needs to be used, the limit assembly 5 can be detached to switch to the release state, thereby releasing the positioning restriction of the limit assembly 5 on the rotor assembly 1, so that the rotor assembly 1 can rotate relative to the stator assembly 2. This is conducive to protecting the outer rotor motor 100.

[0049] According to the outer rotor motor 100 of the embodiment of the utility model, by setting the limit assembly 5, the rotor assembly 1 and the stator assembly 2 can be positioned by the limit assembly 5. In this way, during the transportation process, the rotor assembly 1 and the stator assembly 2 can be prevented from colliding and causing damage, which is beneficial to improving the service life of the outer rotor motor 100.

[0050] In some embodiments of the utility model, the rotor 12 includes a shell 121 and a first excitation component arranged on the inner wall of the shell 121, an open mouth 1211 is provided at the end of the shell 121, the stator 21 includes an end cover 211 and a second excitation component 212 arranged on the end cover 211, the first excitation component is outermostly arranged on the second excitation component 212, the end cover 211 covers the open mouth 1211, and the limit assembly 5 is detachably arranged between the shell 121 and the end cover 211.

[0051] For example, refer to Figure 1 and Figure 2As shown, the rotor 12 includes a housing 121 and a first excitation member (not shown in the figure), the first excitation member is arranged on the inner wall of the housing 121, and an open port 1211 is arranged at the end of the housing 121. The stator 21 includes an end cover 211 and a second excitation member 212, the second excitation member 212 is connected to the side of the end cover 211 facing the rotor 12, and the second excitation member 212 can extend from the open port 1211 into the housing 121, so that the first excitation member can be spaced and arranged on the outside of the second excitation member 212. The end cover 211 is matched with the open port 1211, so that the end cover 211 can cover the open port 1211.

[0052] The edge of the end cover 211 and the portion of the outer shell 121 surrounding the open opening 1211 together define an annular accommodating space, which is open outward in the radial direction of the rotating shaft 11. The limit assembly 5 is matched with the accommodating space. The limit assembly 5 is detachably arranged in the accommodating space. The limit assembly 5 is used to respectively cooperate with the stator 21 and the rotor 12 to achieve positioning between the rotor assembly 1 and the stator assembly 2.

[0053] Through the above arrangement, the user can operate the limit assembly 5 from the radial outer side of the rotor 12 and can directly confirm the state of the limit assembly 5 from the outer side, which helps to reduce the operating difficulty of the limit assembly 5 and improves the design rationality of the outer rotor motor 100.

[0054] It should be noted that the stator 21 is provided with a plastic shell, which is used to be sleeved on the outside of the second excitation member 212 to insulate and separate the first excitation member and the second excitation member 212, thereby preventing the first excitation member and the second excitation member 212 from directly contacting each other when the stator 21 collides with the rotor 12. In addition, one of the first excitation member and the second excitation member 212 is a permanent magnet, and the other is a winding coil.

[0055] In some embodiments of the present invention, Figure 1 As shown, in the positioning state, a part of the limit assembly 5 can be arranged to be located radially outside the housing 121. Preferably, a part of the limit assembly 5 can be arranged to extend to the radial outside of the end cover 211 along the rotating shaft 11. Thus, the difficulty of disassembling and assembling the limit assembly 5 can be reduced, and the practicality of the limit assembly 5 is improved.

[0056] In some embodiments of the present invention, in the positioning state, the stop assembly 5 is in abutment contact with the housing 121 and the end cover 211 respectively. Figure 1 As shown, the limiting assembly 5 can be constructed as a card pad. In the positioning state, the limiting assembly 5 extends into the accommodating space and the two sides are respectively in abutment contact with the housing 121 and the end cover 211 to achieve positioning between the stator 21 and the rotor 12. In this way, the positioning effect of the limiting assembly 5 can be guaranteed, and the structural complexity of the limiting assembly 5 is simplified, thereby improving the practicality of the limiting assembly 5.

[0057] In some embodiments of the utility model, the housing 121 includes a main body 122 and a surrounding portion 123, the surrounding portion 123 extends along the circumference of the main body 122 and is sleeved on the radial outside of the second excitation component 212, the limiting assembly 5 is supported between the surrounding portion 123 and the end cover 211, and the positive projection of the surrounding portion 123 along the axial direction X of the rotating shaft 11 is located in the middle of the limiting assembly 5 along the radial direction of the rotating shaft 11.

[0058] For example, refer to Figure 1 As shown, the shell 121 includes a main body portion 122 and a surrounding portion 123. The main body portion 122 is arranged on one side of the stator 21 along the axial direction X. The surrounding portion 123 is constructed in a circular tube shape. The surrounding portion 123 extends along the circumference of the main body portion 122 and is connected to the main body portion 122. The surrounding portion 123 is matched with the second excitation component 212 so that the surrounding portion 123 can be spaced apart and sleeved on the radial outer side of the second excitation component 212. The first excitation component is connected to the inner side of the surrounding portion 123 and is coupled to the second excitation component 212.

[0059] The limiting assembly 5 can be arranged to be supported between the side surface of the surrounding portion 123 facing the end cover 211 and the end cover 211, the cross section of the rotating shaft 11 is set as a projection surface, and the positive projection of the surrounding portion 123 along the axial direction X of the rotating shaft 11 is located in the middle of the limiting assembly 5 along the radial direction of the rotor assembly 1, that is, the surrounding portion 123 can be limitedly supported in the middle of the limiting assembly 5 along the radial direction of the rotating shaft 11. Through the above arrangement, the matching stability between the surrounding portion 123 and the limiting assembly 5 can be improved, which is conducive to improving the limiting effect of the limiting assembly 5.

[0060] In some embodiments of the present invention, referring to Figure 2 As shown, the limiting assembly 5 may include a plurality of spaced limiting members 51, which are spaced apart along the circumference of the end cover 211, so that the plurality of limiting members 51 can limit the rotor assembly 1 from different positions. Through the above arrangement, the limiting effect of the limiting assembly 5 can be ensured, and the lightweight design of the limiting assembly 5 can be realized, thereby improving the practicality of the limiting assembly 5.

[0061] In some embodiments of the present invention, Figure 2 As shown, a plurality of stoppers 51 may be arranged evenly spaced apart along the circumference of the end cover 211; or, as shown in FIG. Figure 3 As shown, a plurality of limiting members 51 may be symmetrically arranged along the radial direction of the rotating shaft 11. Through the above arrangement, the limiting effect of the limiting assembly 5 may be improved, which is beneficial to improving the stability of the outer rotor motor 100 during transportation.

[0062] In some embodiments of the present invention, Figure 4As shown, the limiting assembly 5 can be constructed into a ring shape, so that the limiting assembly 5 can fully cooperate with the rotor assembly 1 along the circumferential direction. In this way, the limiting effect of the limiting assembly 5 can be guaranteed.

[0063] In an actual setting, the material of the limit component 5 can be set to an elastic material such as rubber. In this way, during the installation process, the limit component 5 can be driven to deform so that the limit component 5 can be sleeved on the outside of the rotor 12 and move along the rotor 12 to the accommodating space; or, the material of the limit component 5 can be set to a rigid material such as plastic, and the limit component 5 is provided with a plurality of limit members 51, and the plurality of limit members 51 are all constructed in a fan shape, and the plurality of limit members 51 are arranged in sequence along the circumference of the rotating shaft 11 and form a ring.

[0064] In some embodiments of the present invention, the stator 21 is provided with a shoulder portion 23 extending into the center hole 22, and the matching bearing 3 and the shoulder portion 23 are arranged relative to each other in the axial direction X; the outer rotor motor 100 also includes a buffer 4, which is arranged between the shoulder portion 23 and the matching bearing 3 and is configured to be compressibly deformable.

[0065] For example, refer to Figure 1 As shown, the stator 21 is provided with a shoulder portion 23 extending into the center hole 22. The shoulder portion 23 is radially protruding inwardly on the inner wall of the center hole 22. The matching bearing 3 and the shoulder portion 23 are relatively arranged in the axial direction X of the rotating shaft 11, so that the shoulder portion 23 can be used to limit the matching bearing 3 in the axial direction X.

[0066] At the same time, the outer rotor motor 100 also includes a buffer 4, which is arranged between the shoulder portion 23 and the mating bearing 3. For example, the buffer 4 is also sleeved on the rotating shaft 11 to enhance the structural stability of the buffer 4, and the buffer 4 is clamped between the shoulder portion 23 and the mating bearing 3 to separate the mating bearing 3 and the shoulder portion 23 in the axial direction X of the rotating shaft 11. The buffer 4 is constructed to be compressibly deformable.

[0067] In this way, under some impact conditions, the mating bearing 3 will not directly collide with the shaft shoulder 23 when moving along the axial direction X, but will achieve buffering by compressing the buffer 4, thereby avoiding direct collision between the mating bearing 3 and the shaft shoulder 23 and damaging the mating bearing 3, so as to extend the service life of the mating bearing 3. Among them, the "buffer 4" refers to a structure or material with a buffering and impact absorption function. For example, the buffer 4 can be a corrugated gasket, a rubber ring or other other structures with a buffering function, which are not limited here. In this way, the reliability of the outer rotor motor 100 can be improved.

[0068] In some embodiments of the present invention, Figure 5As shown, in the axial direction X of the rotating shaft 11 , matching bearings 3 are provided on both sides of the shaft shoulder 23 , and a buffer 4 is provided between each matching bearing 3 and the shaft shoulder 23 .

[0069] Therefore, by providing matching bearings 3 on both sides of the shoulder portion 23, the matching stability of the rotating shaft 11 and the stator 21 can be enhanced, and the corresponding buffer member 4 can be used between each matching bearing 3 and the shoulder portion 23 to absorb the impact force to play a buffering role. In this way, when the rotor assembly 1 and the stator assembly 2 move on either side of the axial direction X, the buffer member 4 can absorb the impact of the corresponding matching bearing 3 on the shoulder portion 23, thereby avoiding the corresponding matching bearing 3 and the shoulder portion 23 from colliding and damaging the matching bearing 3, so as to extend the service life of the corresponding matching bearing 3, and the buffer member 4 can also play a certain buffering role when the fan component 1000 rotates.

[0070] In some embodiments of the present invention, Figure 1 As shown, the buffer 4 can be configured to be a corrugated gasket. It should be noted that a "corrugated gasket" is also called a wave washer, which is a circular sheet with a regular wave shape. By configuring the buffer 4 as a corrugated gasket, it is convenient to improve its shock absorption and impact resistance while ensuring its buffering effect, which is conducive to extending the service life of the buffer 4, and the corrugated gasket has a simple structure, which is conducive to reducing costs.

[0071] In some embodiments of the present invention, the matching bearing 3 includes an inner ring, an outer ring and a rolling element. The rolling element is rotatably disposed between the inner ring and the outer ring. The inner ring is externally mounted on the rotating shaft 11 , and the outer ring is disposed on the stator 21 .

[0072] Thus, the mating bearing 3 can be formed into a deep groove ball bearing, which is beneficial to improve the mating stability between the rotating shaft 11 and the stator 21. In addition, the buffer 4 can provide a certain preload force to the mating bearing 3. It should be noted that the mating bearing 3 is a core component of the operation of the outer rotor motor 100. If the mating bearing 3 is damaged, the noise of the outer rotor motor 100 will increase, affecting the user experience. If the damage of the mating bearing 3 is aggravated, the motor may not rotate.

[0073] In the related art, there is usually a certain clearance (gap) between the inner ring and the outer ring of the matching bearing 3. If a certain preload force is not applied when it is installed on the rotating shaft 11, the noise of the matching bearing 3 will be relatively loud when the outer rotor motor 100 is running.

[0074] In the present invention, the buffer member 4 can provide a certain preload force to the mating bearing 3, thereby reducing the noise of the mating bearing 3 when the outer rotor motor 100 is running.

[0075] The utility model also provides a fan component 1000 .

[0076] like Figure 6 As shown, the fan component 1000 according to the embodiment of the utility model includes a driving wind wheel 200 and an outer rotor motor 100 according to any of the above embodiments, and the rotating shaft 11 is connected to the driving wind wheel 200 so that the rotating shaft 11 can drive the driving wind wheel 200 to rotate synchronously.

[0077] According to the fan component 1000 of the embodiment of the utility model, by setting the limit component 5, the rotor component 1 and the stator component 2 can be positioned by using the limit component 5. In this way, during the transportation process, the rotor component 1 and the stator component 2 can be prevented from colliding and causing damage, which is beneficial to increasing the service life of the outer rotor motor 100 and improving the reliability of the fan component 1000.

[0078] It should be noted that the fan component 1000 can be applied to a radiator, an air conditioner or other equipment, etc., and is not limited here.

[0079] In some embodiments of the present utility model, the driving wind wheel 200 is a cross-flow wind wheel, and the outer rotor motor 100 is connected to one axial end of the cross-flow wind wheel. Figure 6 As shown, the driving wind wheel 200 can be set as a crossflow wind wheel, the outer rotor motor 100 is connected to one axial end of the crossflow wind wheel, the rotating shaft 11 is transmission-connected to the crossflow wind wheel, and the other axial end X of the crossflow wind wheel is rotatably supported on the support seat 300, so that the rotating shaft 11 can drive the crossflow wind wheel to rotate synchronously.

[0080] It should be noted that a limiting surface may be provided on the support seat 300, and when the rotating shaft 11 drives the crossflow impeller to move in a direction away from the stator assembly 2, the crossflow impeller may be limited on the limiting surface of the support seat 300 to prevent the rotor assembly 1 from being separated from the stator assembly 2. Thus, a reasonable layout of the fan component 1000 can be achieved.

[0081] The utility model further provides an air conditioner.

[0082] The air conditioner according to the embodiment of the utility model comprises the fan component 1000 according to any one of the above embodiments.

[0083] According to the air conditioner of the embodiment of the utility model, by setting the limit assembly 5, the rotor assembly 1 and the stator assembly 2 can be positioned by using the limit assembly 5. In this way, during the transportation process, the rotor assembly 1 and the stator assembly 2 can be prevented from colliding and causing damage, which is beneficial to increasing the service life of the outer rotor motor 100, improving the reliability of the fan component 1000, and improving the overall performance of the air conditioner.

[0084] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does 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.

[0085] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An outer rotor motor, characterized in that: include: A rotor assembly, the rotor assembly comprising a rotating shaft and a rotor, the rotating shaft and the rotor cooperate to rotate synchronously; A stator assembly, wherein the stator assembly comprises a stator, wherein the stator is provided with a center hole, wherein the rotor is sleeved outside the stator and coupled with the stator, wherein the rotating shaft passes through the center hole, and a matching bearing is provided between the rotating shaft and the stator; A limit assembly, wherein the limit assembly is detachably matched with at least one of the stator and the rotor to switch between a positioning state and a release state, wherein in the positioning state the limit assembly is configured to position the rotor assembly in the axial direction of the rotating shaft, and in the release state the limit assembly releases the positioning restriction on the rotor assembly.

2. The outer rotor motor according to claim 1, characterized in that: The rotor includes a shell and a first excitation component arranged on the inner wall of the shell, an end of the shell is provided with an open mouth, the stator includes an end cover and a second excitation component arranged on the end cover, the first excitation component is outer-circuited on the second excitation component, the end cover covers the open mouth, and the limiting assembly is detachably arranged between the shell and the end cover.

3. The outer rotor motor according to claim 2, characterized in that: In the positioning state, a portion of the limiting assembly is located radially outside the housing.

4. The outer rotor motor according to claim 2, characterized in that: In the positioning state, the limiting assembly is in abutment contact with the housing and the end cover respectively.

5. The outer rotor motor according to claim 2, characterized in that: The shell includes a main body and a surrounding portion, the surrounding portion extends along the circumference of the main body and is sleeved on the radial outside of the second excitation component, the limiting assembly is supported between the surrounding portion and the end cover, and the orthographic projection of the surrounding portion along the axial direction of the rotating shaft is located in the middle of the limiting assembly along the radial direction of the rotating shaft.

6. The outer rotor motor according to claim 2, characterized in that: The limiting assembly includes a plurality of limiting members that are spaced apart from each other, and the plurality of limiting members are spaced apart from each other along the circumference of the end cover.

7. The outer rotor motor according to claim 6, characterized in that: The plurality of limit members are evenly spaced apart and arranged along the circumference of the end cover; or, the plurality of limit members are symmetrically arranged along the radial direction of the rotating shaft.

8. The outer rotor motor according to claim 2, characterized in that: The limiting component is configured in a ring shape.

9. The outer rotor motor according to any one of claims 1 to 8, characterized in that: The stator is provided with a shaft shoulder portion extending into the central hole, and the matching bearing and the shaft shoulder portion are arranged opposite to each other in the axial direction; The outer rotor motor further includes a buffer member, which is disposed between the shaft shoulder portion and the mating bearing and is configured to be compressibly deformable.

10. The outer rotor motor according to claim 9, characterized in that: In the axial direction of the rotating shaft, matching bearings are provided on both sides of the shaft shoulder portion, and the buffer member is provided between each matching bearing and the shaft shoulder portion.

11. The outer rotor motor according to claim 9, characterized in that: The buffer is formed as a corrugated gasket.

12. The outer rotor motor according to claim 9, characterized in that: The matching bearing comprises an inner ring, an outer ring and a rolling element, wherein the rolling element is rotatably arranged between the inner ring and the outer ring, the inner ring is externally mounted on the rotating shaft, and the outer ring is arranged on the stator.

13. A fan component, characterized in that: It comprises a driving wind wheel and an outer rotor motor according to any one of claims 1 to 12, wherein the rotating shaft is connected to the driving wind wheel.

14. The fan component according to claim 13, characterized in that: The driving wind wheel is a crossflow wind wheel, and the outer rotor motor is connected to one axial end of the crossflow wind wheel.

15. An air conditioner, characterized in that: Comprising a fan component according to claim 13 or 14.

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