Motor assembly for air conditioner and air conditioner

Abstract

The utility model provides a motor assembly for an air conditioner and the air conditioner. The motor assembly comprises a motor and a motor installation device. The motor has a housing. The motor mounting device defines a mounting space for accommodating the casing. The motor installation device is further provided with heat dissipation holes. The lowest position of the heat dissipation hole is located at a preset distance above the lowest position of the machine shell. The lowest position of the heat dissipation hole is higher than the lowest position of the machine shell, the distance between the lowest position of the heat dissipation hole and the lowest position of the machine shell is preset, and the situation that melt flows out of the heat dissipation hole and even damages an air channel device or a heat exchange device of the air conditioner is avoided while the heat dissipation effect of the heat dissipation hole is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a motor component for an air conditioner and the air conditioner. Background Art

[0002] With the improvement of living standards, air conditioners have been widely used in family life. The air conditioner includes a wind wheel and a motor assembly located in an air duct. The motor assembly is connected to the wind wheel through a motor to drive the fan to rotate to supply air.

[0003] However, when the motor works for a long time or fails, the motor may produce melt due to excessive temperature, which may then flow out of the heat dissipation holes and damage the air duct or heat exchange device of the air conditioner. Utility Model Content

[0004] In view of the above problems, the present utility model is proposed to provide a motor assembly for an air conditioner and an air conditioner that overcomes the above problems or at least partially solves the above problems, and can solve the problem that the molten material generated by the overhigh temperature of the motor flows out from the heat dissipation holes and causes damage to the air duct or heat exchange device of the air conditioner.

[0005] Specifically, the utility model provides a motor assembly for an air conditioner, comprising:

[0006] The electric motor has a housing.

[0007] The motor mounting device defines a mounting space for accommodating the housing and is also provided with heat dissipation holes.

[0008] The lowest position of the heat dissipation hole is at a preset distance above the lowest position of the housing.

[0009] Optionally, the heat dissipation hole is located on an upper side of a horizontal reference plane, and the horizontal reference plane is located at a preset distance above the lowest position of the housing.

[0010] The ratio of the distance between the axis center of the output shaft of the motor and the horizontal reference plane to the preset distance is 1 to 2; and the output shaft of the motor is arranged horizontally.

[0011] Optionally, the motor mounting device comprises a motor seat and a motor cover matched with the motor seat. The motor cover is mounted on the motor seat to define the mounting space.

[0012] The motor mounting device has a through hole for connecting the outside of the motor mounting space and the mounting space. The through hole is arranged on the motor seat. The output shaft of the motor passes through the motor mounting device through the through hole.

[0013] Optionally, the motor assembly further comprises two vibration-damping rings, each of which comprises a first ring portion in an annular shape and a second ring portion connected to an outer peripheral wall of the first ring portion and having a thickness smaller than that of the first ring portion.

[0014] The housing includes a main body and two convex parts respectively located on both sides of the main body. Each of the first ring parts is sleeved on one of the convex parts, the inner peripheral wall of each of the first ring parts contacts and abuts against the corresponding convex part, the two ends of each of the first ring parts contact and abut against the corresponding side of the main body and the motor mounting device, the outer peripheral wall of each of the first ring parts contacts and abuts against the motor mounting device, and the two ends of each of the second ring parts contact and abut against the corresponding side of the main body and the motor mounting device.

[0015] Optionally, the two protrusions are respectively a front protrusion located at the front side of the main body and connected to the main body, and a rear protrusion located at the rear side of the main body and connected to the main body. The output shaft of the motor passes through the front protrusion.

[0016] The two vibration-damping rings are respectively a front vibration-damping ring sleeved on the front convex part and a rear vibration-damping ring sleeved on the rear convex part.

[0017] Optionally, the heat dissipation hole includes a first heat dissipation hole, which is arranged at a position on the motor cover corresponding to the rear protrusion, and the first heat dissipation hole is located on the inner side of the outer peripheral wall of the corresponding first circle.

[0018] Optionally, the motor cover comprises a rear wall having a communication hole, a peripheral wall connected to the rear wall, and a protrusion connected to the edge of the communication hole, the protrusion defines an extrusion cavity, the rear vibration damping ring is inserted into the extrusion cavity, and the peripheral wall of the protrusion contacts and abuts against the peripheral wall of the first ring portion of the rear vibration damping ring.

[0019] An annular protrusion is arranged on the front surface of the rear wall, and the annular protrusion contacts and abuts against the second ring portion of the rear damping ring. Alternatively, the front surface of the rear wall contacts and abuts against the second ring portion of the rear damping ring.

[0020] Optionally, the heat dissipation hole includes a second heat dissipation hole, and the second heat dissipation hole is arranged on the rear wall of the motor cover.

[0021] Optionally, the heat dissipation holes include third heat dissipation holes, and the third heat dissipation holes are arranged on the peripheral wall of the installation space. A plurality of first notches are arranged on the peripheral wall of the motor cover, and the motor seat closes the first notches to form the third heat dissipation holes.

[0022] Optionally, a threading hole is provided on the peripheral wall of the installation space, a second notch is provided on the peripheral wall of the motor cover, and the motor seat closes the second notch to form the threading hole.

[0023] An indicating protrusion is provided on the peripheral wall of the protruding portion, and the indicating protrusion points to the threading hole.

[0024] Optionally, the communicating hole is a special-shaped hole, so that a portion of the peripheral wall of the protruding portion protrudes toward the threading hole to form the indicating protrusion.

[0025] The rear vibration damping ring further comprises a filling block connected to the first ring portion and / or the second ring portion of the rear vibration damping ring, and the filling block is located in a cavity defined by the indicating protrusion.

[0026] Optionally, a plurality of first ribs extending along the axial direction of the first circle portion are arranged on the peripheral wall of the first circle portion.

[0027] Optionally, the motor seat and the motor cover are connected by snap-fit.

[0028] Optionally, a plurality of first mounting ears are arranged on the peripheral wall of the motor base, and a plurality of second mounting ears are correspondingly arranged on the peripheral wall of the motor cover. The first mounting ears are arranged with first mounting holes, and the second mounting ears are correspondingly arranged with second mounting holes.

[0029] A plurality of second convex ribs extending along the axial direction of the motor cover are arranged on the peripheral wall of the motor cover.

[0030] Optionally, the motor is a variable frequency motor or a fixed frequency motor.

[0031] The utility model also provides an air conditioner, which comprises a rotating member and the above-mentioned motor assembly, wherein the rotating member is installed on the output shaft of the motor.

[0032] Optionally, the rotating member is a cross-flow impeller.

[0033] The air conditioner further comprises an air duct device, wherein the air duct device defines an air duct space for installing the cross-flow impeller, and the motor assembly is installed on the air duct device.

[0034] Optionally, the air conditioner further comprises a fixing device, which is used to simultaneously fix the motor cover and the motor base of the motor assembly to the air duct device.

[0035] A mounting groove is provided at one end of the air duct device, and the motor seat of the motor assembly is installed in the mounting groove.

[0036] The air duct device comprises a volute tongue portion and a volute case portion, wherein the volute tongue portion is provided with a volute tongue matched with the crossflow impeller, and the volute case portion is provided with a volute case matched with the crossflow impeller.

[0037] The volute tongue portion is installed on the volute case portion, a portion of the installation groove is arranged on the volute tongue portion, and the remaining portion is arranged on the volute case portion.

[0038] In the motor assembly of the utility model, the lowest position of the heat dissipation hole is higher than the lowest position of the casing, and the heat dissipation hole is at a preset distance from the lowest position of the casing. While not affecting the heat dissipation effect of the heat dissipation hole, it also prevents the molten material from flowing out of the heat dissipation hole and even causing damage to the air duct device or heat exchange device of the air conditioner.

[0039] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0041] Figure 1 is a schematic rear view of a motor assembly according to an embodiment of the utility model;

[0042] Figure 2 is a schematic cross-sectional view of a motor assembly according to an embodiment of the utility model;

[0043] Figure 3 is a schematic rear view of a motor assembly according to an embodiment of the utility model;

[0044] Figure 4 is a schematic partial structural diagram of an air conditioner according to an embodiment of the utility model;

[0045] Figure 5 It is a schematic partial exploded view of an air conditioner according to an embodiment of the utility model.

[0046] List of reference numerals: 100, motor; 110, housing; 111, main body; 112, convex portion; 1121, front convex portion; 1122, rear convex portion; 120, output shaft; 200, motor mounting device; 210, motor seat; 211, through hole; 212, second convex rib; 220, motor cover; 221, convex portion; 2211, indicating convexity; 230, installation space; 300, threading hole; 400, vibration damping ring; 401, first ring portion; 402, second ring portion; 410, front vibration damping ring; 420, rear vibration damping ring; 430, first rib; 510, first mounting ear; 511, first mounting hole; 520, second mounting ear; 521, second mounting hole; 700, heat dissipation hole; 710, first heat dissipation hole; 720, second heat dissipation hole; 730, third heat dissipation hole; 800, rotating part; 900, air duct device; 910, mounting groove. DETAILED DESCRIPTION

[0047] Refer to the following Figures 1 to 5 To describe the motor assembly for an air conditioner and the air conditioner of an embodiment of the utility model. In the description of this embodiment, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0048] Unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to the specific circumstances.

[0049] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of this embodiment, the first feature being "above", "above", and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below", or "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0050] In the description of the present embodiment, 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 may be combined in any one or more embodiments or examples in a suitable manner.

[0051] Figure 1 is a schematic rear view of a motor assembly according to an embodiment of the utility model, such as Figure 1 As shown, and refer to Figures 2 to 5 The embodiment of the utility model provides a motor assembly for an air conditioner, including a motor 100 and a motor mounting device 200. The motor 100 has a housing 110. The motor mounting device 200 defines an installation space 230 for accommodating the housing 110. The motor mounting device 200 is also provided with a heat dissipation hole 700. The lowest position of the heat dissipation hole 700 is at a preset distance h1 above the lowest position of the housing 110.

[0052] In this embodiment, the lowest position of the heat dissipation hole 700 is higher than the lowest position of the casing 110, and is at a preset distance from the lowest position of the casing 110, so as to avoid excessive temperature in the installation space 230 when the motor 100 is working, thereby ensuring the normal operation of the motor 100, and preventing the molten material from flowing out of the heat dissipation hole 700, thereby preventing the outflowing molten material from damaging the air duct device 900 or the heat exchange device of the air conditioner, thereby improving the user experience.

[0053] In some embodiments of the motor assembly of the utility model, Figure 1As shown, the heat dissipation hole 700 is located above the horizontal reference plane a, and the horizontal reference plane a is located at a preset distance h1 above the lowest position of the housing 110. The ratio of the distance h2 from the axis center of the output shaft of the motor 100 to the horizontal reference plane a to the preset distance h1 is 1 to 2.

[0054] In this embodiment, the motor 100 is installed in the installation space 230, the output shaft 120 is arranged horizontally, and the motor installation device 200 is used to support and protect the motor 100. The heat dissipation hole 700 connects the installation space 230 with the outside, and the heat dissipation hole 700 is arranged on the upper side of the horizontal reference plane a, and the position of the horizontal reference plane a is higher than the lowest position of the housing 110. When the ratio between the distance h2 between the axis center of the output shaft of the motor 100 and the horizontal reference plane a and the preset distance h1 is less than 1, the setting position of the heat dissipation hole 700 is relatively high, which is not conducive to the heat dissipation at the bottom of the installation space 230, thereby affecting the heat dissipation effect of the heat dissipation hole 700. When the ratio between the distance h2 between the axis center of the output shaft of the motor 100 and the horizontal reference plane a and the preset distance h1 is greater than 2, when the motor 100 generates melt due to excessive temperature, the melt is easy to flow out from the heat dissipation hole 700, and even damage the air duct device 900 or the heat exchange device of the air conditioner. Therefore, preferably, the ratio of the distance h2 between the center point of the output shaft of the motor 100 and the horizontal reference plane a to the preset distance h1 is 1.5, so as to avoid excessive temperature in the installation space 230 when the motor 100 is working, ensure the normal operation of the motor 100, and avoid the molten material from flowing out of the heat dissipation hole 700, thereby avoiding the outflowing molten material from damaging the air duct device 900 or the heat exchange device of the air conditioner, thereby improving the user experience.

[0055] In some embodiments of the motor assembly of the utility model, Figure 2 and Figure 5 As shown, the motor mounting device 200 includes a motor base 210 and a motor cover 220 matched with the motor base 210. The motor cover 220 is mounted on the motor base 210 to define an installation space 230. The motor mounting device 200 has a through hole 211 for connecting the outside of the motor mounting device 200 and the installation space 230. The through hole 211 is provided on the motor base 210. The output shaft 120 of the motor 100 passes through the motor mounting device 200 through the through hole 211.

[0056] In this embodiment, the output shaft 120 is horizontally disposed and passes through a through hole 211 disposed on the motor base 210 to connect to the rotating member 800 outside the motor mounting device 200 and drive the rotating member 800 to rotate.

[0057] Alternatively, in some embodiments of the motor assembly of the present invention, the motor 100 can be a dual-axis motor 100 having two output shafts 120, and the two output shafts 120 respectively pass through the motor base 210 and the motor cover 220 to connect the two rotating parts 800 outside the motor mounting device 200 and drive the two rotating parts 800 to rotate.

[0058] In some embodiments of the motor assembly of the present invention, the motor cover 220 can be connected to the motor base 210 by means of threaded connection, snap connection, magnetic connection or other connection methods, so as to facilitate the installation of the motor 100 in the installation space 230 or removal from the installation space 230.

[0059] Preferably, the motor base 210 and the motor cover 220 are connected by a buckle to facilitate the assembly of the motor mounting device 200. The buckle is integrally formed on the motor base 210 or the motor cover 220, which improves the strength of the buckle and reduces the possibility of buckle damage.

[0060] In some embodiments of the motor assembly of the utility model, Figure 2 and Figure 5 As shown, the motor assembly also includes two vibration-damping rings 400, each of which has a first ring portion 401 in an annular shape and a second ring portion 402 connected to the outer peripheral wall of the first ring portion 401 and having a thickness less than that of the first ring portion 401. The housing 110 includes a main body 111 and two convex portions 112 located on both sides of the main body 111. Each first ring portion 401 is sleeved on a convex portion 112, the inner peripheral wall of each first ring portion 401 contacts and abuts against the corresponding convex portion 112, the two ends of each first ring portion 401 contact and abut against the corresponding side of the main body 111 and the motor mounting device 200, the outer peripheral wall of each first ring portion 401 contacts and abuts against the motor mounting device 200, and the two ends of each second ring portion 402 contact and abut against the corresponding side of the main body 111 and the motor mounting device 200.

[0061] In this embodiment, the first ring portion 401 of the vibration damping ring 400 is sleeved on the protrusion 112 of the motor 100, and the motor 100 is fixed in the installation space 230 by the cooperation between the vibration damping ring 400 and the protrusion 112. The vibration damping ring 400 is installed between the motor 100 and the motor mounting device 200, which plays a vibration reduction role on the motor 100. When the motor 100 is working, the collision between the motor 100 and the motor mounting device 200 is avoided, and the noise generated by vibration when the motor 100 is working is reduced, thereby improving the user's experience.

[0062] Moreover, the second ring portion 402 is arranged on the outer peripheral wall of the first ring portion 401 close to the main body portion 111, and the thickness of the second ring portion 402 is less than that of the first ring portion 401, so that the vibration-damping ring 400 is in the shape of a stepped column. The stepped column formed by the first ring portion 401 and the second ring portion 402 cooperates with the motor 100 and the motor mounting device 200, and the vibration-damping effect of the vibration-damping ring 400 on the motor 100 is further improved.

[0063] In some embodiments of the motor assembly of the present invention, the motor 100 is a variable frequency motor to save energy consumption of the air conditioner.

[0064] Alternatively, the motor 100 may also be a fixed-frequency motor, which has a lower cost, thereby reducing the production and maintenance costs of the air conditioner.

[0065] Furthermore, since variable frequency motors and fixed frequency motors have various sizes, when using motors 100 of different sizes, it is only necessary to select a vibration damping ring 400 of the corresponding size to complete the fixation of the motor 100 in the installation space 230, thereby improving the adaptability of the motor mounting device 200, and only replacing the vibration damping ring 400 can reduce the use cost of the motor assembly.

[0066] In some embodiments of the motor assembly of the utility model, Figure 2 and Figure 5 As shown, the two protrusions 112 are respectively a front protrusion 1121 located at the front side of the main body 111 and connected to the main body 111, and a rear protrusion 1122 located at the rear side of the main body 111 and connected to the main body 111. The output shaft 120 of the motor 100 passes through the front protrusion 1121. The two vibration damping rings 400 are respectively a front vibration damping ring 410 sleeved on the front protrusion 1121 and a rear vibration damping ring 420 sleeved on the rear protrusion 1122. The output shaft 120 of the motor 100 passes through the motor seat 210 and the front protrusion 1121 connected to the motor seat 210 to connect the rotating member 800 outside the motor mounting device 200 and promote the rotating member 800 to rotate.

[0067] In some embodiments of the motor assembly of the utility model, Figure 1 As shown, the heat dissipation holes 700 include first heat dissipation holes 710, which are disposed on the motor cover 220 at positions corresponding to the rear protrusions 1122, and are located on the inner side of the outer peripheral wall of the corresponding first ring portion 401. There are multiple first heat dissipation holes 710.

[0068] In this embodiment, the plurality of first heat dissipation holes 710 are all located at the rear convex portion 1122, that is, the convex portion 112 located on the side of the motor mounting device 200 away from the output shaft 120, so that the first heat dissipation holes 710 are away from the air duct and close to the outside of the air conditioner, thereby improving the heat dissipation effect of the first heat dissipation holes 710. Moreover, the first ring portion 401 is a hollow cylinder, and the first heat dissipation holes 710 are arranged on the inner side of the outer peripheral wall of the corresponding first ring portion 401, so that the hollow part of the first ring portion 401 is connected to the first heat dissipation holes 710, so that the motor 100 can effectively dissipate heat through the first heat dissipation holes 710. Moreover, the first heat dissipation holes 710 are higher than the horizontal reference plane a, thereby preventing the melt from flowing out of the first heat dissipation holes 710.

[0069] In some embodiments of the motor assembly of the utility model, Figure 2 As shown, the motor cover 220 includes a rear wall with a connecting hole, a peripheral wall connected to the rear wall, and a protrusion 221 connected to the edge of the connecting hole, the protrusion 221 defines an extrusion cavity, and the rear vibration damping ring 420 is inserted into the extrusion cavity. The peripheral wall of the protrusion 221 contacts and abuts against the peripheral wall of the first ring portion 401 of the rear vibration damping ring 420. An annular protrusion is provided on the front surface of the rear wall, and the annular protrusion contacts and abuts against the second ring portion 402 of the rear vibration damping ring 420.

[0070] In this embodiment, the rear wall, the peripheral wall and the raised portion 221 of the motor cover 220 are an integrally formed structure. The raised portion 221 defines an extrusion cavity, and the first ring portion 401 of the rear vibration damping ring 420 is inserted into the extrusion cavity to facilitate the cooperation between the motor mounting device 200 and the vibration damping ring 400, thereby improving the installation stability of the motor 100 and the vibration damping effect of the vibration damping ring 400.

[0071] Alternatively, the front surface of the rear wall may also be in contact with and abut against the second ring portion 402 of the rear damping ring 420 .

[0072] In some embodiments of the motor assembly of the utility model, Figure 2 As shown, the motor seat 210 includes a front wall with a connecting hole, a peripheral wall connected to the front wall, and a protrusion 221 connected to the edge of the connecting hole, the protrusion 221 defines an extrusion cavity, and the front vibration damping ring 410 is inserted into the extrusion cavity. The peripheral wall of the protrusion 221 contacts and abuts against the peripheral wall of the first circle portion 401 of the front vibration damping ring 410. An annular protrusion is provided on the rear surface of the front wall, and the annular protrusion contacts and abuts against the second circle portion 402 of the front vibration damping ring 410. Alternatively, the front surface of the rear wall of the motor seat 210 can also contact and abut against the second circle portion 402 of the front vibration damping ring 410.

[0073] In some embodiments of the motor assembly of the utility model, Figure 3As shown, the heat dissipation hole 700 includes a second heat dissipation hole 720, which is disposed on the rear wall of the motor cover 220 to improve the heat dissipation effect of the motor mounting device 200. Moreover, the second heat dissipation hole 720 is higher than the horizontal reference plane a, thereby preventing the melt from flowing out of the second heat dissipation hole 720. There are multiple second heat dissipation holes 720.

[0074] In some embodiments of the motor assembly of the utility model, Figure 3 As shown, the plurality of heat dissipation holes 700 include a third heat dissipation hole 730, which is disposed on the peripheral wall of the installation space 230, and a plurality of first gaps are disposed on the peripheral wall of the motor cover 220, and the motor base 210 closes the first gaps to form the third heat dissipation hole 730. There are a plurality of third heat dissipation holes 730.

[0075] In this embodiment, a first notch is provided on the peripheral wall of the motor cover 220 to form the third heat dissipation hole 730, which simplifies the manufacturing difficulty of the third heat dissipation hole 730, reduces the use of materials of the motor cover 220, and reduces the production cost. The third heat dissipation hole 730 is provided on the peripheral wall of the motor cover 220 to improve the heat dissipation effect of the motor mounting device 200. Moreover, the third heat dissipation hole 730 is higher than the horizontal reference plane a, which prevents the melt from flowing out of the third heat dissipation hole 730.

[0076] In some embodiments of the motor assembly of the utility model, Figure 3 As shown, a threading hole 300 is provided on the peripheral wall of the installation space 230, a second notch is provided on the peripheral wall of the motor cover 220, and the motor seat 210 closes the second notch to form the threading hole 300. An indicating protrusion 2211 is provided on the peripheral wall of the protrusion 221, and the indicating protrusion 2211 points to the threading hole 300.

[0077] In this embodiment, the connection line of the motor 100 is connected to an external power source or controller through the threading hole 300. The indicator protrusion 2211 points to the threading hole 300 to facilitate identification of the installation direction of the motor cover 220, simplifying the installation method and improving the user experience.

[0078] Furthermore, in some embodiments of the motor assembly of the present utility model, Figure 3 As shown, the communicating hole is a special-shaped hole, so that a portion of the peripheral wall of the protruding portion 221 protrudes toward the threading hole 300 to form an indicating protrusion 2211 .

[0079] In this embodiment, the indicating protrusion 2211 is formed by partially protruding the peripheral wall of the protrusion 221 toward the threading hole 300, and the protrusion 221 is integrally formed, so that the production method of the indicating protrusion 2211 is simple and the production cost of the motor assembly is reduced.

[0080] In some embodiments of the motor assembly of the present invention, the rear vibration damping ring 420 further includes a filling block connected to the first ring portion 401 or the second ring portion 402 of the rear vibration damping ring 420 , and the filling block is located in the cavity defined by the indicating protrusion 2211 .

[0081] In this embodiment, a filling block is provided on the circumferential side of the first circle portion 401 or the second circle portion 402, and the filling block is located inside the indicating protrusion 2211, so that the vibration damping ring 400 and the protrusion 221 can fit more closely, prevent the vibration damping ring 400 from rotating relative to the protrusion 221, and improve the installation stability of the vibration damping ring 400.

[0082] In some embodiments of the motor assembly of the utility model, Figure 5 As shown, a plurality of first convex ribs 430 extending along the axial direction of the first circle portion 401 are arranged on the peripheral wall of the first circle portion 401 to improve the structural strength of the vibration damping ring 400 and to increase the service life of the vibration damping ring 400 .

[0083] In some embodiments of the motor assembly of the utility model, Figure 5 As shown, a plurality of first mounting ears 510 are provided on the peripheral wall of the motor base 210, and a plurality of second mounting ears 520 are correspondingly provided on the peripheral wall of the motor cover 220. The first mounting ears 510 are provided with first mounting holes 511, and the second mounting ears 520 are correspondingly provided with second mounting holes 521.

[0084] In this embodiment, the plurality of first mounting holes 511 are coaxially arranged with the corresponding second mounting holes 521 to facilitate the connection between the motor cover 220 and the motor base 210. The motor mounting device 200 can also be directly mounted on the air duct device 900 through the first mounting holes 511 and the second mounting holes 521.

[0085] Further, the number of the plurality of first mounting ears 510 is 4, and the number of the plurality of second mounting ears 520 is 4. The four first mounting ears 510 are evenly spaced along the peripheral wall of the motor base 210, and the four second mounting ears 520 are evenly spaced along the peripheral wall of the motor cover 220, so as to improve the connection strength between the motor mounting device 200 and the air duct device 900.

[0086] In some embodiments of the motor assembly of the utility model, Figure 3 As shown, a plurality of second convex ribs 212 extending along the axial direction of the motor cover 220 are provided on the peripheral wall of the motor cover 220 to improve the structural strength of the motor mounting device 200 and to increase the service life of the motor mounting device 200 .

[0087] The utility model also provides an air conditioner. In some embodiments of the air conditioner of the utility model, Figure 4 and Figure 5As shown, the air conditioner includes a rotating member 800 and a motor assembly in any of the above embodiments, and the rotating member 800 is installed on the output shaft 120 of the motor 100.

[0088] In this embodiment, the motor assembly rotates through the output shaft 120 of the motor 100, driving the rotating member 800 to rotate. The heat dissipation hole 700 is arranged on the upper side of the horizontal reference plane a to prevent the temperature in the installation space 230 from being too high when the motor 100 is working, to ensure the normal operation of the motor 100, and to prevent the melt from flowing out of the heat dissipation hole 700, thereby preventing the melt from damaging the air duct device 900 or the heat exchange device of the air conditioner, thereby improving the user experience.

[0089] In some embodiments of the air conditioner of the utility model, Figure 5 As shown, the rotating member 800 is a crossflow impeller. The air conditioner further includes an air duct device 900, which defines an air duct space for installing the crossflow impeller, and the motor assembly is installed on the air duct device 900. The air duct space is connected to the air outlet of the air conditioner, and the output shaft 120 of the motor 100 drives the crossflow impeller to rotate, so that the air conditioner sends air out through the air outlet.

[0090] In some embodiments of the air conditioner of the present invention, the air conditioner further comprises a fixing device, which is used to simultaneously fix the motor cover 220 and the motor base 210 of the motor assembly to the air duct device 900. An installation groove 910 is provided at one end of the air duct device 900, and the motor base 210 of the motor assembly is installed in the installation groove 910.

[0091] Furthermore, the fixing device may be a connecting piece such as a screw or a stud.

[0092] In this embodiment, the motor base 210 and the motor cover 220 are both separately arranged from the air duct device 900. After the motor 100 is installed in the installation space 230, the motor 100 can be connected to the air duct device 900 by using a fixing device through the first mounting hole 511 and the second mounting hole 521 of the first mounting ear 510 and the second mounting ear 520 to facilitate the disassembly and assembly of the motor 100.

[0093] Of course, the motor base 210 may be installed in the installation slot 910 of the air duct device 900 first, and then the motor 100 may be installed.

[0094] Furthermore, the air duct device 900 includes a volute tongue portion and a volute portion, the volute tongue portion has a volute tongue that matches the crossflow impeller, and the volute portion has a volute that matches the crossflow impeller. The volute tongue portion is mounted on the volute portion, a portion of the mounting groove 910 is disposed on the volute tongue portion, and the remaining portion is disposed on the volute portion. The mounting groove 910 is disposed on the volute portion and the volute tongue portion to reduce the space occupied by the motor assembly and the air duct device 900 inside the air conditioner, thereby making the internal structural arrangement of the air conditioner more compact, which is beneficial to reducing the overall volume of the air conditioner, so that the air conditioner is suitable for installation in a small space environment.

[0095] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A motor assembly for an air conditioner, characterized in that: include: A motor having a housing; A motor mounting device, wherein the motor mounting device defines a mounting space for accommodating the housing; The motor mounting device is also provided with heat dissipation holes; The lowest position of the heat dissipation hole is at a preset distance above the lowest position of the housing.

2. The motor assembly according to claim 1, characterized in that: The heat dissipation hole is located on the upper side of a horizontal reference plane, and the horizontal reference plane is located at a preset distance above the lowest position of the housing; The ratio of the distance between the axis center of the output shaft of the motor and the horizontal reference plane to the preset distance is 1 to 2; and the output shaft of the motor is arranged horizontally.

3. The motor assembly according to claim 2, characterized in that: The motor mounting device comprises a motor seat and a motor cover matched with the motor seat; the motor cover is mounted on the motor seat to define the mounting space; The motor mounting device has a through hole for connecting the outside of the motor mounting space and the mounting space; the through hole is arranged on the motor seat; the output shaft of the motor passes through the motor mounting device through the through hole; The motor assembly further comprises two vibration-damping rings, each of which comprises a first ring portion in an annular shape and a second ring portion connected to an outer peripheral wall of the first ring portion and having a thickness smaller than that of the first ring portion; and The housing includes a main body and two protrusions on both sides of the main body; each of the first circle parts is mounted on one of the protrusions, the inner circumferential wall of each of the first circle parts contacts and abuts against the corresponding protrusion, the two ends of each of the first circle parts contact and abut against the corresponding side of the main body and the motor mounting device, the outer circumferential wall of each of the first circle parts contacts and abuts against the motor mounting device, and the two ends of each of the second circle parts contact and abut against the corresponding side of the main body and the motor mounting device.

4. The motor assembly according to claim 3, characterized in that: The two protrusions are respectively a front protrusion located at the front side of the main body and connected to the main body, and a rear protrusion located at the rear side of the main body and connected to the main body; the output shaft of the motor passes through the front protrusion; The two vibration damping rings are respectively a front vibration damping ring sleeved on the front convex part and a rear vibration damping ring sleeved on the rear convex part; The heat dissipation hole is a first heat dissipation hole, which is arranged at a position on the motor cover corresponding to the rear convex portion, and the first heat dissipation hole is located on the inner side of the outer peripheral wall of the corresponding first ring portion.

5. The motor assembly according to claim 4, characterized in that: The motor cover comprises a rear wall having a communicating hole, a peripheral wall connected to the rear wall, and a raised portion connected to the edge of the communicating hole, wherein the raised portion defines an extrusion cavity, and the rear vibration damping ring is inserted into the extrusion cavity; the peripheral wall of the raised portion contacts and abuts against the peripheral wall of the first ring portion of the rear vibration damping ring; An annular protrusion is arranged on the front surface of the rear wall, and the annular protrusion contacts and abuts against the second ring portion of the rear damping ring; or the front surface of the rear wall contacts and abuts against the second ring portion of the rear damping ring.

6. The motor assembly according to claim 5, characterized in that: The heat dissipation holes include second heat dissipation holes, and the second heat dissipation holes are arranged on the rear wall of the motor cover.

7. The motor assembly according to claim 5, characterized in that The heat dissipation holes include third heat dissipation holes, and the third heat dissipation holes are arranged on the peripheral wall of the installation space. A plurality of first notches are arranged on the peripheral wall of the motor cover, and the motor seat closes the first notches to form the third heat dissipation holes.

8. The motor assembly according to claim 7, characterized in that A threading hole is provided on the peripheral wall of the installation space, a second notch is provided on the peripheral wall of the motor cover, and the motor seat closes the second notch to form the threading hole; The circumferential wall of the protrusion is provided with an indicating protrusion, and the indicating protrusion points to the threading hole; The communicating hole is a special-shaped hole, so that a portion of the peripheral wall of the protruding portion protrudes toward the threading hole to form the indicating protrusion; The rear vibration damping ring further comprises a filling block connected to the first ring portion and / or the second ring portion of the rear vibration damping ring, and the filling block is located in a cavity defined by the indicating protrusion.

9. The motor assembly according to claim 3, characterized in that: A plurality of first convex ribs extending along the axial direction of the first circle portion are arranged on the peripheral wall of the first circle portion.

10. The motor assembly according to claim 3, characterized in that The motor seat and the motor cover are connected by snap fasteners; A plurality of first mounting ears are arranged on the peripheral wall of the motor base, and a plurality of second mounting ears are correspondingly arranged on the peripheral wall of the motor cover; the first mounting ears are arranged with first mounting holes, and the second mounting ears are correspondingly arranged with second mounting holes; A plurality of second convex ribs extending along the axial direction of the motor cover are arranged on the peripheral wall of the motor cover.

11. An air conditioner, characterized in that: The invention comprises a rotating member and the motor assembly according to any one of claims 1 to 10, wherein the rotating member is mounted on the output shaft of the motor.

12. The air conditioner according to claim 11, characterized in that: The rotating member is a cross-flow impeller; The air conditioner further comprises an air duct device, wherein the air duct device defines an air duct space for installing the cross-flow impeller, and the motor assembly is installed on the air duct device.

13. The air conditioner according to claim 12, characterized in that: The air conditioner further comprises a fixing device, which is used to simultaneously fix the motor cover and the motor base of the motor assembly to the air duct device; A mounting groove is provided at one end of the air duct device, and the motor seat of the motor assembly is installed in the mounting groove; The air duct device comprises a volute tongue portion and a volute case portion, wherein the volute tongue portion is provided with a volute tongue matched with the crossflow impeller, and the volute case portion is provided with a volute case matched with the crossflow impeller; The volute tongue portion is installed on the volute case portion, a portion of the installation groove is arranged on the volute tongue portion, and the remaining portion is arranged on the volute case portion.

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