Fan assembly and mobile air conditioner

Abstract

The utility model relates to the technical field of air conditioners, in particular to a fan assembly and a mobile air conditioner, and aims to solve the problem that a motor housing in the fan assembly is difficult to install. In order to achieve the purpose, the fan assembly comprises a first volute and a second volute which are buckled with each other, a fan cavity is defined between the first volute and the second volute, and a mounting hole is formed in the second volute; the two supporting arms are arranged on the second volute and oppositely located on the two sides of the mounting hole. The positioning protrusion is arranged on the second volute and located at the bottom end of the mounting hole. The motor is inserted into the mounting hole and comprises a motor housing matched with the mounting hole, and two limiting arms and positioning arms are arranged in the circumferential direction of the motor housing; the limiting arm and the supporting arm are correspondingly arranged and are in lap joint and abutting fit, and the positioning arm and the positioning protrusion are correspondingly arranged and provided with a positioning hole where the positioning protrusion can be inserted. Through abutting cooperation of the supporting arm and the limiting arm and cooperation of the positioning protrusion and the positioning hole, rapid positioning installation of the motor can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely provides a fan assembly and mobile air conditioner. BACKGROUND

[0002] At present, whether it is a hanging type air conditioner or a vertical type air conditioner, it needs to be fixedly installed at a limited position and cannot be moved. Therefore, a mobile air conditioner emerges as the times require. The mobile air conditioner mainly comprises a casing, an indoor airflow circulation assembly and an outdoor airflow circulation assembly. The indoor airflow circulation assembly and the outdoor airflow circulation assembly are both arranged in the casing. The casing is provided with an indoor air inlet and an indoor air outlet corresponding to the indoor airflow circulation assembly, and is simultaneously provided with an outdoor air inlet and an outdoor air outlet corresponding to the outdoor airflow circulation assembly. Since the mobile air conditioner is very small in size, it can be moved to different positions or rooms to adjust the temperature of the air in the positions or rooms.

[0003] In the mobile air conditioner of the related art, the motor housings of the indoor air supply fan and the outdoor air supply fan are usually fixed on the volute by screws, and then connected with the fan. That is, when the motor housing is installed, a plurality of screw holes on the motor housing and a plurality of screw holes on the volute are aligned respectively, and then screws are installed to fix them. However, it is difficult to align the screw holes, which results in a large difficulty and low efficiency in installing the motor housing. SUMMARY

[0004] The utility model aims at solving the above technical problem, that is, solving the problem of difficult installation and low efficiency of the motor housing in the fan assembly.

[0005] In a first aspect, the utility model provides a fan assembly, comprising: a first volute and a second volute which are buckled to each other, a fan cavity being defined between the first volute and the second volute, wherein the second volute is provided with a mounting hole; two support arms are arranged on the inner side surface of the second volute and located on the two sides of the mounting hole opposite to each other; a positioning protrusion is arranged on the inner side surface of the second volute and located at the bottom end of the mounting hole; a motor is inserted into the mounting hole, and the motor is at least partially located in the fan cavity. The motor comprises a motor housing matched with the mounting hole, two limiting arms and a positioning arm are arranged around the circumference of the motor housing; the limiting arms are arranged corresponding to the support arms and are in lapping abutting cooperation, and the positioning arm is arranged corresponding to the positioning protrusion and is provided with a positioning hole in which the positioning protrusion is inserted.

[0006] In the technical scheme, the two limiting arms are respectively matched with the overlapping support arms to preliminarily position the motor cover when the motor cover is inserted into the mounting hole; further, the positioning protrusion and the positioning hole are matched to completely position the motor cover after the motor cover is inserted into the mounting hole. In this way, the installation position of the motor part when the motor part is accommodated in the fan cavity can be quickly determined, the installation difficulty is reduced, and the installation precision and efficiency are improved; in addition, the two support arms and the positioning protrusion form a triangle to provide stable support, and the stability of the motor after installation is improved.

[0007] In the optional embodiment of the fan assembly, the support arms extend outward from the mounting hole, and the extension directions of the two support arms have an included angle.

[0008] By extending the support arms in a direction away from the positioning hole, and making the extension directions of the two support arms have an included angle, and setting the limiting arms to have inclined limiting sides corresponding to the support arms, the installation angle of the motor can be limited, and the installation precision is further improved.

[0009] In the optional embodiment of the fan assembly, the support arms are provided with a plurality of lightening grooves.

[0010] By setting the lightening grooves, the material amount of the support arms can be reduced while ensuring the structural strength, and the cost is saved.

[0011] In the optional embodiment of the fan assembly, the two support arms and the positioning protrusion are located on one side of the same semicircle of the mounting hole; and the two support arms are symmetrically arranged with respect to a diameter line of the positioning protrusion passing through the mounting hole.

[0012] In this way, the triangle formed between the two support arms and the positioning protrusion is located at least in the same semicircle of the positioning hole, the motor is stably supported, and the symmetric arrangement of the two support arms can further improve the stability of the motor support.

[0013] In the optional embodiment of the fan assembly, further comprising: a first fixing hole arranged in the second volute; a second fixing hole arranged in the limiting arm and corresponding to the first fixing hole, wherein the second fixing hole and the first fixing hole are connected by a first connecting piece.

[0014] By matching the first fixing hole, the second fixing hole and the first connecting piece, the motor cover can be fixedly connected with the second volute after positioning and installation, so as to ensure the stability of the motor after installation, and avoid shaking of the motor during operation.

[0015] In the alternative embodiment of the fan assembly, the second volute comprises a main body shell, a portion of the main body shell is recessed towards the fan cavity to form the mounting boss, wherein the mounting hole, the support arm and the positioning protrusion are all arranged on the mounting boss.

[0016] By recessing a portion of the main body shell towards the fan cavity to form the mounting boss, a receiving groove can be formed on the outside of the volute main body shell, and the motor can be located in the receiving groove after being inserted into the mounting hole and connected with the support arm and the positioning protrusion, thereby reducing the occupied space.

[0017] In the alternative embodiment of the fan assembly, further comprising: a positioning groove recessed from the mounting boss in a direction away from the fan cavity, and a portion of the positioning groove is in communication with the mounting hole; and a positioning baffle arranged on the motor cover and arranged in correspondence with the positioning groove.

[0018] The positioning groove and the positioning baffle can quickly determine the installation direction of the motor and improve the installation efficiency.

[0019] In the alternative embodiment of the fan assembly, further comprising: a wire outlet groove arranged on the outer side of the second volute and located at the connecting corner of the mounting boss and the main body shell.

[0020] The portion of the motor located outside the fan cavity is provided with a connecting wire connected with the power supply part of the motor, and the connecting wire can be arranged in the wire outlet groove to achieve protection of the connecting wire.

[0021] In the alternative embodiment of the fan assembly, further comprising: a sealing side arranged around the motor cover and abutting against the mounting boss.

[0022] The sealing side and the inner side of the second volute abut against each other, which can ensure the sealing of the fan cavity after the motor is installed.

[0023] In the second aspect, the utility model provides a mobile air conditioner, which comprises the fan assembly.

[0024] In the case of adopting the technical scheme, the mobile air conditioner has the fan assembly as described above, in the fan assembly, the preliminary positioning of the motor cover shell when being inserted into the mounting hole can be realized by making the two limiting arms respectively abut against the lap joint of the corresponding limiting arm; further, the complete positioning of the motor cover shell after being inserted into the mounting hole can be realized by the cooperation of the positioning protrusion and the positioning hole. In this way, the installation position of the motor part when being accommodated in the fan cavity can be quickly determined, the installation difficulty is reduced, so that the installation precision and the installation efficiency are improved, and then the assembly efficiency of the mobile air conditioner can be improved; in addition, a triangle can be formed between the two supporting arms and the positioning protrusion, so that stable support is provided, and then the stability after the motor is installed is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0026] Figure 1 is a structural schematic view of a fan assembly provided by the present application;

[0027] Figure 2 is an exploded schematic view of a fan assembly provided by the present application;

[0028] Figure 3 is a structural schematic view of a second volute and a motor provided by the present application;

[0029] Figure 4 is a structural schematic view of a second volute provided by the present application;

[0030] Figure 5 is a structural schematic view of a motor provided by the present application;

[0031] Figure 6 is a structural schematic view of a mobile air conditioner provided by the present application, in which part of the shell is removed.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 100, first volute; 110, air inlet;

[0034] 200, second volute; 201, mounting boss; 210, mounting hole; 220, supporting arm; 221, weight-reducing groove; 230, positioning protrusion; 240, first fixing hole; 250, third fixing hole; 260, positioning groove; 270, wire outlet groove;

[0035] 300, motor; 301, output shaft; 310, motor cover shell; 311, sealing side edge; 320, limiting arm; 330, positioning arm; 331, positioning hole; 340, second fixing hole; 350, fixing arm; 351, fourth fixing hole; 360, positioning baffle;

[0036] 400, fan;

[0037] 10, shell; 11, indoor heat exchange cavity; 12, outdoor heat exchange cavity; 20, middle partition plate; 30, indoor heat exchanger; 40, indoor fan; 50, outdoor heat exchanger; 60, outdoor fan. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present application will be described herein below with reference to the drawings. Those skilled in the art will appreciate that the embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. In the following technical description, in order to facilitate the explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0039] It should be noted that, in the description of the present application, the terms indicating the direction or positional relationship of "middle", "upper", "lower", "vertical", "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] In addition, it should also be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0041] In combination Figures 1 to 5 As shown in the drawings, the utility model provides a fan assembly, at least including first volute 100, second volute 200 and motor 300. First volute 100 and second volute 200 are buckled to each other, and the fan cavity is defined between first volute 100 and second volute 200, wherein, second volute 200 is equipped with mounting hole 210. Two support arms 220 are arranged on the inner side surface of second volute 200 respectively, and are located on the two sides of mounting hole 210 opposite to each other. Positioning protrusion 230 is arranged on the inner side surface of second volute 200, and is located below mounting hole 210 (with the direction of arrow A as the positive direction, the direction of arrow B as the negative direction). Figure 4The motor 300 is inserted into the mounting hole 210, and the motor 300 is at least partially located in the fan cavity. The motor 300 comprises a motor housing 310 matched with the mounting hole 210, two limiting arms 320 and a positioning arm 330 are arranged around the circumference of the motor housing 310. The limiting arms 320 are arranged corresponding to the supporting arms 220 and are overlapped and abutted, and the positioning arm 330 is arranged corresponding to the positioning protrusion 230 and is provided with a positioning hole 331 capable of inserting the positioning protrusion 230.

[0042] Optionally, the first volute 100 and the second volute 200 are connected by buckling, and the fan cavity is surrounded therebetween. The motor 300 can be arranged in the mounting hole 210 and at least partially accommodated in the fan cavity by the mounting hole 210 arranged on the second volute 200. The inner side of the second volute 200 is the side facing the fan cavity.

[0043] Optionally, the motor 300 is coaxially arranged with the mounting hole 210. In this way, the vibration and noise of the motor 300 during operation can be reduced, the service life is prolonged, and the operation efficiency of the motor 300 is improved. Further, the fan cavity is provided with a fan 400, and the output shaft 301 of the motor 300 is drivingly connected with the fan, so that the rotation of the fan 400 can be driven when the motor 300 operates. The fan 400 is coaxially arranged with the mounting hole 210 and the motor 300, so as to further improve the effective energy transmission of the motor 300 and improve the operation efficiency. Optionally, the fan 400 is a centrifugal fan.

[0044] Optionally, the motor 300 comprises a motor housing 310, wherein the shape and size of the motor housing 310 are matched with the shape and size of the mounting hole 210, so as to realize the matched installation of the motor 300 and the mounting hole 210.

[0045] Optionally, the first volute 100 is provided with an air inlet 110, the second volute 200 is provided with an air outlet, or the first volute 100 and the second volute 200 are provided with an air outlet. In this way, when the motor 300 drives the fan to operate, air is driven to enter the fan cavity from the air inlet 110 and flow out from the air outlet.

[0046] Optionally, two support arms 220 and a positioning protrusion 230 are arranged on the inner side of the second volute 200 for mounting the motor 300. The two support arms 220 are arranged oppositely on both sides of the mounting hole 210, and the positioning protrusion 230 is arranged at the bottom end of the mounting hole 210, and at this time, the positioning protrusion 230 is located between the two support arms 220. In this way, the two support arms 220 and the positioning protrusion 230 can form a stable triangular support structure. Correspondingly, a limiting arm 320 matched with the support arm 220 is arranged on the motor cover 310, the limiting arm 320 is overlapped on the upper end of the support arm 220 and abuts against the support arm 220; at the same time, a positioning arm 330 is arranged on the motor cover 310, and a positioning hole 331 matched with the positioning protrusion 230 is arranged on the positioning arm 330, and the positioning protrusion 230 can be inserted into the positioning hole 331. In this way, through the cooperation of the support arm 220 and the limiting arm 320, and the cooperation of the positioning protrusion 230 and the positioning hole 331, the rapid positioning and mounting of the motor 300 can be realized.

[0047] Optionally, a damping ring is arranged along the circumference of the mounting hole 210, and the damping ring is arranged on the side wall surface facing the center of the mounting hole 210, and the motor cover 310 is in sealed contact with the damping ring. In this way, the vibration noise of the motor 300 during operation can be reduced, and at the same time, the sealing performance of the fan cavity can be improved.

[0048] Alternatively, the damping ring is not arranged.

[0049] In the above technical scheme, through the abutting and stopping cooperation of the two limiting arms 320 and the corresponding support arms 220, the preliminary positioning of the motor cover 310 when being inserted into the mounting hole 210 can be realized; further, through the cooperation of the positioning protrusion 230 and the positioning hole 331, the complete positioning of the motor cover 310 after being inserted into the mounting hole 210 can be realized. In this way, the installation position of the motor 300 when being partially accommodated in the fan cavity can be quickly determined, the installation difficulty is reduced, and the installation precision and efficiency are improved; in addition, a triangle can be formed between the two support arms 220 and the positioning protrusion 230, so as to provide stable support, and further improve the stability of the motor 300 after being mounted.

[0050] In the optional embodiment of the above fan assembly, the support arm 220 extends outward from the mounting hole 210, and the extension directions of the two support arms 220 have an included angle; and the limiting arm 320 has an inclined limiting side surface matched with the support arm 220.

[0051] By arranging the support arms 220 to extend outward from the mounting holes 210, and by forming an angle between the extension directions of the two support arms 220, the support arms 220 can be tilted relative to the vertical axis. In this way, the tilted support arms 220 can disperse and transfer the load, not only supporting the vertical load but also effectively withstanding the lateral forces, providing more stable support performance.

[0052] By arranging the support arm 220 to be tilted in a direction away from the mounting hole 210 and arranging the limiting arm 320 to have an inclined limiting side surface corresponding to the support arm 220, the installation orientation of the motor 300 can be limited, thereby further improving the installation accuracy.

[0053] Specifically, the tilted support arm 220 can limit the installation angle of the motor 300. Due to the tilt of the support arm 220, the motor 300 can only be positioned and installed when the limiting arm 320 matches the support arm 220.

[0054] In addition, by tilting the support arm 220 , it is possible to disperse the vibration and reduce the displacement of the motor 300 caused by vibration after the motor 300 is running.

[0055] Furthermore, the limiting arm 320 has an inclined limiting side surface that matches the supporting arm 220. In this way, the limiting arm 320 and the supporting arm 220 can be closely matched, reducing the vibration noise between the two when the motor 300 is running.

[0056] Optionally, the support arm 220 extends outward from the mounting hole 210 and extends in a direction away from the positioning protrusion 230 .

[0057] Alternatively, the support arm 220 extends outward from the mounting hole 210 and extends toward the positioning protrusion 230 .

[0058] In an optional embodiment of the above-mentioned fan assembly, a plurality of weight-reducing grooves 221 are provided on the support arm 220 .

[0059] By providing the weight-reducing groove 221 , the material usage of the support arm 220 can be reduced while ensuring the structural strength, thereby saving costs.

[0060] Optionally, a plurality of weight-reducing grooves 221 are provided at intervals along the extension direction of the support arm 220 itself.

[0061] Alternatively, the weight-reducing groove 221 may not be provided.

[0062] In an optional embodiment of the above-mentioned fan assembly, the two support arms 220 and the positioning protrusion 230 are both located on one side of the same semicircle of the mounting hole 210; and the two support arms 220 are arranged symmetrically about the diameter line of the mounting hole 210 passing through the positioning protrusion 230.

[0063] In this way, the triangle formed by the two support arms 220 and the positioning protrusion 230 can be located on one side of the same semicircle of the mounting hole 210, forming a stable limiting support for the motor 300; and the symmetrical arrangement of the two support arms 220 can further improve the stability of the support for the motor 300.

[0064] Specifically, the mounting hole 210 includes a first radial line and a second radial line perpendicular to each other. Figure 4 The orientation shown is defined as follows: the second radial line is a diameter line extending vertically, and the first radial line is perpendicular to the second radial line, that is, the first radial line extends horizontally. The two support arms 220 and the positioning protrusion 230 are defined as being located on the same side of the first radial line, so that the two are located on one side of the same semicircle of the mounting hole 210 bounded by the first radial line. Furthermore, the two support arms 220 are symmetrically arranged on both sides of the second radial line, and the positioning protrusion is located on the second radial line. In this way, the two support arms 220 and the positioning protrusion 230 form a stable triangular support structure, which can provide stable support for the motor 300.

[0065] Alternatively, the two support arms 220 and the positioning protrusion 230 are respectively located on one side of the two opposite semicircles of the mounting hole 210 .

[0066] In an alternative embodiment of the above-mentioned fan assembly, the fan assembly further includes a first fixing hole 240 and a second fixing hole 340. The first fixing hole 240 is provided in the second volute 200, and the second fixing hole 340 is provided in the limiting arm 320, and the second fixing hole 340 is arranged corresponding to the first fixing hole 240, wherein the second fixing hole 340 and the first fixing hole 240 are connected by a first connecting member.

[0067] Through the cooperation between the first fixing hole 240, the second fixing hole 340 and the first connecting member, the motor cover 310 can be fixedly connected to the second volute 200 after positioning and installation, so as to ensure the stability of the motor 300 after installation and avoid shaking of the motor 300 during operation.

[0068] Optionally, the first fixing hole 240 and the second fixing hole 340 are both threaded holes; correspondingly, the first connecting member is a screw.

[0069] Alternatively, the first fixing hole 240 is a screw hole, and the second fixing hole 340 is a through hole with a smooth inner surface; correspondingly, the first connecting member is a screw threadedly connected to the first fixing hole 240 .

[0070] Alternatively, the first fixing hole 240 and the second fixing hole 340 are both rivet holes; correspondingly, the first connecting member is a rivet. Alternatively, the first fixing hole 240 and the second fixing hole 340 are both pin holes; correspondingly, the first connecting member is a pin or a positioning pin. Alternatively, the first fixing hole 240 and the second fixing hole 340 are both bolt holes; correspondingly, the first connecting member is a bolt.

[0071] In the alternative embodiment of the fan assembly, the fan assembly further comprises a third fixing hole 250, a fixing arm 350 and a fourth fixing hole 351. The third fixing hole 250 is arranged on the second volute 200 and located at the top end of the mounting hole 210; the fixing arm 350 is arranged on the motor housing 310 and arranged opposite to the positioning arm 330; the fourth fixing hole 351 is arranged on the fixing arm 350 and arranged corresponding to the third fixing hole 250; the fourth fixing hole 351 and the third fixing hole 250 are connected by a second connecting member.

[0072] Through the cooperation of the third fixing hole 250, the fourth fixing hole 351 and the second connecting member, the top end of the motor housing 310 and the second volute 200 can be fixedly connected, so as to improve the stability of the motor 300 after installation.

[0073] Alternatively, the third fixing hole 250 and the fourth fixing hole 351 are both threaded holes; correspondingly, the second connecting member is a screw.

[0074] Alternatively, the third fixing hole 250 is a threaded hole and the fourth fixing hole 351 is a through hole with a smooth inner surface; correspondingly, the second connecting member is a screw threadedly connected with the third fixing hole 250.

[0075] Alternatively, the third fixing hole 250 and the fourth fixing hole 351 are both rivet holes; correspondingly, the second connecting member is a rivet. Alternatively, the third fixing hole 250 and the fourth fixing hole 351 are both pin holes; correspondingly, the second connecting member is a pin or a positioning pin. Alternatively, the third fixing hole 250 and the fourth fixing hole 351 are both bolt holes; correspondingly, the second connecting member is a bolt.

[0076] In addition, the fourth fixing hole 351 is arranged on the fixing arm 350, which can avoid the opening of a hole on the motor housing 310 and can ensure the structural integrity and stability of the motor housing 310.

[0077] In the alternative embodiment of the fan assembly, the second volute 200 comprises a main body shell, and a part of the main body shell is recessed towards the fan cavity to form a mounting boss 201, wherein the mounting hole 210, the support arm 220 and the positioning protrusion 230 are arranged on the mounting boss 201.

[0078] Specifically, the second volute 200 comprises a main body shell and a recessed portion recessed towards the fan cavity. In this way, the recessed portion forms a mounting boss 201 in the fan cavity, while a receiving groove is formed on the outer side of the second volute 200. In this way, after the motor 300 is inserted into the mounting hole 210 and connected with the support arm 220 and the positioning protrusion 230, part of the motor 300 is located in the fan cavity and the other part of the motor 300 is located in the receiving groove, so that the occupation of the external space of the fan assembly can be reduced.

[0079] Optionally, the mounting hole 210 and the mounting boss 201 are coaxially arranged to make the stress of the mounting boss 201 more uniform and to make the structure more compact.

[0080] Alternatively, the mounting hole 210 and the mounting boss 201 are eccentrically arranged.

[0081] In the optional embodiment of the fan assembly described above, the fan assembly further comprises a positioning groove 260 and a positioning baffle 360. The positioning groove 260 is formed by recessing the mounting boss 201 away from the direction of the fan cavity; the positioning baffle 360 is arranged on the motor cover 310 and is arranged in correspondence with the positioning groove 260.

[0082] Through the cooperation of the positioning groove 260 and the positioning baffle 360, the installation direction of the motor can be quickly determined, and the installation efficiency is improved.

[0083] When installing the motor 300, as long as the positioning baffle 360 on the motor cover 310 is aligned and placed with the positioning groove 260, the installation direction of the motor 300 can be determined. Further, the support arm 220 is in abutting cooperation with the limiting arm 320, and the positioning protrusion 230 is in insertion cooperation with the positioning hole 331, so that the positioning and installation of the motor 300 can be quickly completed. Further, the connection of the first fixing hole 240 and the second fixing hole 340, and the connection of the third fixing hole 250 and the fourth fixing hole 351 are completed.

[0084] Alternatively, the positioning groove 260 and the positioning baffle 360 can not be arranged.

[0085] Optionally, the positioning groove 260 is arranged between one support arm 220 and the positioning protrusion 230.

[0086] Alternatively, the positioning groove 260 is arranged between two support arms 220 and located on the side away from the positioning protrusion 230.

[0087] In combination Figure 1 In the optional embodiment of the fan assembly described above, the fan assembly further comprises a wire outlet groove 270. The wire outlet groove 270 is arranged on the second volute 200 and located at the connecting corner of the mounting boss 201 and the main body shell.

[0088] The part of the motor 300 located outside the fan cavity is provided with a connecting wire connected with the power supply part of the motor 300, and the connecting wire is arranged in the wire outlet slot 270 through the arrangement of the wire outlet slot 270, so as to realize the protection of the connecting wire.

[0089] Optionally, the wire outlet slot 270 is arc-shaped recessed towards the fan cavity to avoid the emergence of edges and corners and improve the safety of the connecting wire.

[0090] Optionally, the positioning slot 260 is arranged correspondingly to the wire outlet slot 270.

[0091] Alternatively, the wire outlet slot 270 can not be arranged.

[0092] In the optional embodiment of the fan assembly, the fan assembly further comprises a sealing side edge 311. The sealing side edge 311 is arranged around the periphery of the motor housing 310, and the sealing side edge 311 abuts against the mounting boss 201.

[0093] Through the abutting cooperation of the sealing side edge 311 and the mounting boss 201, the sealing property of the fan cavity can be ensured after the motor is installed.

[0094] Alternatively, the sealing side edge 311 can not be arranged.

[0095] In the second aspect, in combination with Figure 6 As shown in the drawings, the utility model provides a kind of mobile air conditioner, including the fan assembly as described above.

[0096] In the case of using the above technical scheme, the mobile air conditioner has the fan assembly as described above, and in the fan assembly, by making the two limiting arms 320 respectively abut against the lap of the corresponding support arm 220, the preliminary positioning of the motor housing 310 inserted into the mounting hole 210 can be realized; further, by the cooperation of the positioning protrusion 230 and the positioning hole 331, the complete positioning of the motor housing 310 inserted into the mounting hole 210 can be realized. In this way, the installation position of the part of the motor 300 contained in the fan cavity can be quickly determined, the installation difficulty is reduced, so as to improve the installation precision and installation efficiency, and further the assembly efficiency of the mobile air conditioner can be improved; in addition, a triangle can be formed between the two support arms 220 and the positioning protrusion 230, so as to provide stable support, and further the stability of the motor 300 after installation is improved.

[0097] Optionally, in combination with Figure 6As shown, the mobile air conditioner comprises a housing 10 and a partition 20. The interior of the housing 10 is defined with a hollow inner cavity. The partition 20 is arranged in the hollow inner cavity, and the partition 20 divides the hollow inner cavity into an indoor heat exchange cavity 11 and an outdoor heat exchange cavity 12 which are arranged in an upper-lower distribution and are independent of each other. Correspondingly, the housing 10 is provided with an indoor air inlet and an indoor air outlet which are arranged corresponding to the indoor heat exchange cavity 11. In the Figure 6 In the figure, part of the housing 10 is removed so as to more directly show the structure inside the housing 10.

[0098] The indoor heat exchange cavity 11 is provided with an indoor heat exchanger 30 and an indoor fan 40. The indoor heat exchanger 30 and the indoor fan 40 are sequentially arranged on the partition 20 along the flow path of air in the indoor heat exchange cavity 11. The indoor air enters the indoor heat exchange cavity 11 through the indoor air inlet under the driving of the indoor fan 40, exchanges heat with the indoor heat exchanger 30, and then enters the indoor environment through the indoor air outlet under the driving of the indoor fan 40, so as to realize the temperature regulation of the indoor environment. Optionally, the indoor fan 40 is a fan assembly as described above.

[0099] The outdoor heat exchange cavity 12 is provided with a compressor, an outdoor heat exchanger 50 and an outdoor fan 60. The compressor, the outdoor heat exchanger 50 and the outdoor fan 60 are sequentially arranged along the flow path of air in the outdoor heat exchange cavity 12. The outdoor air enters the outdoor heat exchange cavity 12 through the outdoor air inlet under the driving of the outdoor fan 60, exchanges heat with the outdoor heat exchanger 50, and then enters the outdoor environment through the outdoor air outlet under the driving of the outdoor fan 60, so as to realize the temperature regulation of the outdoor environment. Optionally, the outdoor fan 60 is a fan assembly as described above.

[0100] Optionally, the specific structure of the interior of the mobile air conditioner can also be different from the above, for example, the indoor heat exchange cavity and the outdoor heat exchange cavity can be arranged in a left-right adjacent manner, and the specific structure of the indoor heat exchange cavity and the outdoor heat exchange cavity can also be different from the above, and can be adjusted according to the actual structure layout.

[0101] Optionally, the fan assembly as described above can also be used in other forms of air conditioning devices, such as window air conditioners, dehumidifiers, ceiling air conditioners, floor air conditioners, fresh air air conditioners and the like.

[0102] So far, the technical scheme of the present application has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical schemes after the changes or replacements will all fall within the protection scope of the present application.

Claims

1. A fan assembly comprising: The fan assembly comprises: a first volute and a second volute which are buckled to each other, and a fan cavity is defined between the first volute and the second volute, wherein a mounting hole is arranged on the second volute; two support arms which are arranged on the inner side of the second volute and located on the two sides of the mounting hole opposite to each other; a positioning protrusion which is arranged on the inner side of the second volute and located at the bottom end of the mounting hole; a motor which is inserted into the mounting hole and at least partially located in the fan cavity, the motor comprises a motor cover which is matched with the mounting hole, two limiting arms and a positioning arm are arranged around the circumference of the motor cover; the limiting arms are arranged in correspondence with the support arms and are in overlapping abutting cooperation, and the positioning arm is arranged in correspondence with the positioning protrusion and is provided with a positioning hole in which the positioning protrusion is inserted.

2. The fan assembly according to claim 1, wherein the support arms extend outward from the mounting hole, and the extension directions of the two support arms have an included angle; the limiting arms have inclined limiting sides which are matched with the support arms.

3. The fan assembly of claim 2, wherein, Further comprising: a plurality of lightening grooves are arranged on the support arms.

4. The fan assembly according to claim 1, wherein the two support arms and the positioning protrusion are located on the same side of a semicircle of the mounting hole; and the two support arms are arranged symmetrically to a diameter line of the positioning protrusion passing through the mounting hole.

5. The fan assembly according to claim 1, characterized in that: Further comprising: a first fixing hole arranged on the second volute; a second fixing hole arranged on the limiting arm and arranged in correspondence with the first fixing hole; wherein the second fixing hole and the first fixing hole are connected by a first connecting piece.

6. The fan assembly according to claim 1, wherein the second volute comprises a main body shell, and part of the main body shell is recessed towards the fan cavity to form a mounting boss, wherein the mounting hole, the support arms and the positioning protrusion are arranged on the mounting boss.

7. The fan assembly of claim 6, wherein, Further comprising: a positioning groove which is recessed from the mounting boss in a direction away from the fan cavity, and part of the positioning groove is in communication with the mounting hole; a positioning baffle which is arranged on the motor cover and arranged in correspondence with the positioning groove.

8. The fan assembly of claim 6, wherein, Further comprising: an outlet groove which is arranged on the outer side of the second volute and located at the connecting corner of the mounting boss and the main body shell.

9. The fan assembly of claim 6, wherein, Further comprising: a sealing side edge which is arranged around the circumference of the motor cover and abuts against the mounting boss.

10. A mobile air conditioner characterized by comprising: The fan assembly comprises any one of claims 1 to 9.

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