CN219389901U - Fan assembly, air treatment module and air conditioner with same - Google Patents

Abstract

The utility model discloses a fan assembly, an air treatment module and an air conditioner with the same, wherein the fan assembly comprises: the volute is provided with a fan cavity, and an inlet and an outlet which are communicated with the fan cavity; the motor is arranged in the fan cavity and comprises a body and an output shaft; the wind wheel is arranged in the fan cavity, is provided with a hub, is connected with the output shaft, is relatively fixed with the output shaft in the circumferential direction of the output shaft and can move along the axial direction of the output shaft; the elastic piece is arranged between the body and the hub, and is used for driving the hub to move towards the direction away from the body, and the output shaft is provided with a limiting structure for limiting the hub to move towards the direction away from the body. According to the fan assembly, the elastic piece is arranged, so that the breakage and damage caused by the severe impact of the wind wheel and the volute can be effectively avoided, the probability of damage of the fan assembly due to transportation falling is reduced, and the maintenance cost and the maintenance time of the fan assembly are reduced.

Description

Fan assembly, air treatment module and air conditioner with same

Technical Field

The utility model relates to the technical field of air treatment equipment, in particular to a fan assembly, an air treatment module and an air conditioner with the fan assembly.

Background

In the prior art, the wind wheel is rigidly connected with the motor, once the air conditioner falls, particularly, the motor is kept at the upper position after falling, and when the wind wheel is in a lower position relationship, the motor with heavy weight drives the wind wheel to collide with the volute, so that the wind wheel is broken and damaged due to severe impact extrusion.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the fan assembly, which can effectively avoid the breakage and damage caused by the severe collision of the wind wheel and the volute, and reduce the probability of damage of the fan assembly caused by transportation falling.

The utility model also provides an air treatment module, which comprises the fan assembly.

The utility model also provides an air conditioner which comprises the air treatment module.

A fan assembly according to an embodiment of the present utility model includes: the volute is provided with a fan cavity, and an inlet and an outlet which are communicated with the fan cavity; the motor is arranged in the fan cavity and comprises a body and an output shaft, the body is fixed at one axial end of the volute, and the output shaft is connected with the body and extends along the axial direction of the volute; the wind wheel is arranged in the fan cavity and is provided with a hub, the hub is connected with the output shaft, and the hub and the output shaft are relatively fixed in the circumferential direction of the output shaft and can move along the axial direction of the output shaft; the elastic piece is arranged between the body and the hub to drive the hub to move towards the direction away from the body, the output shaft is provided with a limiting structure, and the limiting structure is positioned on one side of the hub away from the elastic piece and used for limiting the hub to move towards the direction away from the body.

According to the fan assembly provided by the embodiment of the utility model, due to the arrangement of the elastic piece, when the fan assembly is in the normal operation or shutdown state, a certain pre-pressure can be provided for the wind wheel, so that the wind wheel is relatively fixed in the axial direction of the output shaft, the wind wheel is ensured not to be separated from the output shaft, and the wind wheel is reliably arranged on the output shaft and rotates or is static along with the output shaft; when the fan assembly falls down, particularly the motor is kept up after falling, and when the wind wheel is in a lower position relationship, the elastic piece is compressed and deformed under force to buffer and absorb the violent impact force of part of the volute to the wind wheel, so that the cracking damage caused by the violent impact of the wind wheel and the volute is effectively avoided, the probability of damage of the fan assembly due to the transportation falling is reduced, the maintenance cost and the maintenance time of the fan assembly are reduced, and the sales cost of the fan assembly is reduced.

In addition, the fan assembly according to the utility model can also have the following additional technical features:

in some embodiments, the elastic member is sleeved on the output shaft.

In some embodiments, a side of the body facing the hub has a spacer, and the resilient member abuts the spacer.

In some embodiments, the hub is provided with a mounting hole, a shaft sleeve is fixed in the mounting hole, the shaft sleeve is sleeved outside the output shaft and connected with the output shaft, and the elastic piece is stopped against the shaft sleeve.

In some embodiments, one of the outer peripheral wall of the shaft sleeve and the inner peripheral wall of the mounting hole is provided with a positioning protrusion, and the other is provided with a positioning groove matched with the positioning protrusion.

In some embodiments, the output shaft is provided with a clamping groove extending along the circumferential direction of the output shaft, the limiting structure is a split ring, and the split ring is clamped in the clamping groove.

In some embodiments, the fan assembly further comprises a motor housing disposed within the fan cavity and comprising: the mounting seat is connected with one axial end of the volute; the motor cover is connected with the mounting seat and jointly defines a mounting cavity with the mounting seat, the body is arranged in the mounting cavity, and the motor cover is provided with a through hole for the output shaft to penetrate out.

In some embodiments, the mount is snapped with the volute; and/or the mounting seat is connected with the volute casing through a fastener; and/or the mounting seat is connected with the motor cover through a fastener.

In some embodiments, the volute includes a first volute and a second volute arranged and connected in an axial direction of the volute, the first volute and the second volute together defining the fan cavity, the body being secured to a surface of the first volute facing the second volute.

In some embodiments, the first volute and the second volute are connected by a fastener.

In some embodiments, the wind wheel is a centrifugal wind wheel, the inlet is arranged on an axial end face of the volute far away from the body, and the outlet is arranged on a circumferential wall face of the volute.

In some embodiments, a wind deflector is provided at the inlet, the wind deflector being disposed around the inlet and extending into the fan cavity.

The utility model also provides an air treatment module with the embodiment.

An air treatment module according to an embodiment of the present utility model includes: the fan assembly; the air inlet shell is connected with the volute and jointly defines an air inlet cavity with the volute, the inlet is communicated with the air inlet cavity, and an air inlet opening communicated with the air inlet cavity is further formed in the air inlet shell.

According to the air treatment module provided by the embodiment of the utility model, by arranging the fan assembly and the elastic piece, when the fan assembly is in a normal operation or shutdown state, certain pre-pressure can be provided for the wind wheel, so that the wind wheel is relatively fixed in the axial direction of the output shaft, the wind wheel is ensured not to be separated from the output shaft, and the wind wheel is reliably arranged on the output shaft and rotates or stands along with the output shaft; when the fan assembly falls down, particularly the motor is kept up after falling, and when the wind wheel is in a lower position relationship, the elastic piece is compressed and deformed under force to buffer and absorb the violent impact force of part of the volute to the wind wheel, so that the cracking damage caused by the violent impact of the wind wheel and the volute is effectively avoided, the probability of damage of the fan assembly due to the transportation falling is reduced, the maintenance cost and the maintenance time of the fan assembly are reduced, and the sales cost of the fan assembly is reduced.

In addition, the air treatment module according to the utility model may also have the following additional technical features:

in some embodiments, the number of the air suction openings is two, one of the two air suction openings is suitable for being communicated with indoor environment, and the other air suction opening is suitable for being communicated with outdoor environment.

In some embodiments, the air treatment module further comprises: the air outlet frame assembly is connected with the volute, a flow channel is defined in the air outlet frame assembly, the outlet is communicated with the flow channel, and the air outlet frame assembly is provided with an air outlet communicated with the flow channel.

The utility model also provides an air conditioner with the embodiment.

An air conditioner according to an embodiment of the present utility model includes: the shell is internally provided with a heat exchange air duct, and a first air inlet and a first air outlet which are communicated with the heat exchange air duct; the heat exchange assembly and the heat exchange fan assembly are arranged in the heat exchange air duct; the air treatment module is arranged in the shell and is distributed with the heat exchange air duct along the length direction of the shell, and the shell is provided with a second air inlet communicated with the air suction inlet and a second air outlet communicated with the outlet.

According to the air conditioner provided by the embodiment of the utility model, through the arrangement of the air treatment module and the elastic piece, when the fan assembly is in the normal operation or the shutdown state, a certain pre-pressure can be provided for the wind wheel, so that the wind wheel is relatively fixed in the axial direction of the output shaft, the wind wheel is ensured not to be separated from the output shaft, and the wind wheel is reliably arranged on the output shaft and rotates or stands along with the output shaft; when the fan assembly falls down, particularly the motor is kept up after falling, and when the wind wheel is in a lower position relationship, the elastic piece is compressed and deformed under force to buffer and absorb the violent impact force of part of the volute to the wind wheel, so that the cracking damage caused by the violent impact of the wind wheel and the volute is effectively avoided, the probability of damage of the fan assembly due to the transportation falling is reduced, the maintenance cost and the maintenance time of the fan assembly are reduced, and the sales cost of the fan assembly is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a perspective view of an air conditioner according to an embodiment of the present utility model;

fig. 2 is an exploded view of an air conditioner according to an embodiment of the present utility model;

fig. 3 is a partial sectional view of an air conditioner according to an embodiment of the present utility model;

fig. 4 is an enlarged view at a in fig. 3;

FIG. 5 is a perspective view of an air treatment module according to an embodiment of the utility model;

FIG. 6 is a perspective view of a fan assembly according to an embodiment of the present utility model;

FIG. 7 is an exploded view of a blower assembly according to an embodiment of the utility model;

FIG. 8 is a perspective view of a first volute of a fan assembly according to an embodiment of the present utility model;

FIG. 9 is a perspective view of a motor cover of a fan assembly according to an embodiment of the present utility model;

FIG. 10 is a perspective view of a motor of a fan assembly according to an embodiment of the present utility model;

FIG. 11 is an angled perspective view of a mount for a fan assembly according to an embodiment of the present utility model;

FIG. 12 is another angular perspective view of a mount for a fan assembly according to an embodiment of the present utility model;

FIG. 13 is a cross-sectional view of a first volute, motor, and motor housing of a fan assembly according to an embodiment of the present utility model;

FIG. 14 is a perspective view of a rotor of a fan assembly according to an embodiment of the present utility model;

FIG. 15 is a perspective view of a sleeve of a fan assembly according to an embodiment of the present utility model;

FIG. 16 is a cross-sectional view of a rotor of a fan assembly according to an embodiment of the present utility model;

fig. 17 is an enlarged view at B in fig. 16;

FIG. 18 is a perspective view of a shim of a fan assembly according to an embodiment of the present utility model;

FIG. 19 is a perspective view of a spacing structure of a fan assembly according to an embodiment of the present utility model;

FIG. 20 is a cross-sectional view of a blower assembly according to an embodiment of the utility model, wherein the second volute is not shown;

fig. 21 is an enlarged view at C in fig. 20;

FIG. 22 is a perspective view of a second volute of a fan assembly according to an embodiment of the present utility model;

FIG. 23 is a cross-sectional view of a fan assembly according to an embodiment of the present utility model.

Reference numerals:

1000. an air conditioner;

100. an air treatment module; 101. a fan assembly;

1. a volute; 11. a first volute; 111. an outlet; 112. a clamping hole; 12. a second volute; 121. an inlet; 122. an air guide ring; 13. a fan cavity; 14. a fastener;

2. A motor; 21. a body; 211. a gasket; 22. an output shaft; 221. a limit structure; 2211. a buckle; 222. a clamping groove; 223. an output shaft platform; 224. an output shaft boss;

3. a wind wheel; 31. a hub; 32. a shaft sleeve; 321. positioning the bulge; 322. a sleeve hole platform;

4. an elastic member;

5. a motor housing; 51. a mounting base; 511. a bayonet lock; 52. a motor cover; 521. a through hole;

6. an air inlet shell; 61. an air inlet cavity; 62. an air suction port; 621. a first air suction port; 6211. a first air inlet grille; 622. a second air suction port;

7. an air outlet frame assembly; 71. an air outlet;

200. a housing; 201. a panel assembly; 2011. an upper panel; 2012. a lower panel; 202. a top cover; 203. a chassis component; 204. a rear case member; 2041. a first air inlet; 2042. a second air inlet grille; 2043. a second air inlet; 2044. a first sub-air inlet; 2045. a second sub-air inlet; 2046. a second air outlet; 205. an air outlet frame member; 2051. a first air outlet; 2052. opening and closing a door;

300. a heat exchange assembly; 301. a water receiving tray; 302. a drain pipe;

400. and a heat exchange fan assembly.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

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

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A fan assembly 101 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 7 and 23, a fan assembly 101 according to an embodiment of the present utility model includes a volute 1, a motor 2, a wind wheel 3, and an elastic member 4.

Specifically, referring to fig. 23, the volute 1 has a fan chamber 13, and an inlet 121 and an outlet 111 that communicate with the fan chamber 13. Further, referring to fig. 13, the motor 2 is provided in the fan chamber 13, the motor 2 includes a body 21 and an output shaft 22, the body 21 is fixed to one axial end of the scroll casing 1, and the output shaft 22 is connected to the body 21 and extends in the axial direction of the scroll casing 1 (refer to the a direction shown in fig. 13).

Further, referring to fig. 20, the wind wheel 3 is disposed in the fan chamber 13, and the wind wheel 3 may drive the air flow from the inlet 121 into the fan chamber 13 and then out of the outlet 111. Further, referring to fig. 14 and 20, the wind wheel 3 has a hub 31, the hub 31 is connected to the output shaft 22, the hub 31 and the output shaft 22 are relatively fixed in the circumferential direction of the output shaft 22 and movable in the axial direction of the output shaft 22 (refer to the a direction shown in fig. 20), and the motor 2 can be caused to drive the wind wheel 3 to rotate by being connected to the output shaft 22 through the hub 31 and relatively fixed in the circumferential direction.

Still further, referring to fig. 21, the elastic member 4 is disposed between the body 21 and the hub 31 to drive the hub 31 to move in a direction away from the body 21, and the output shaft 22 has a limiting structure 221 thereon, where the limiting structure 221 is located on one side of the hub 31 away from the elastic member 4, for limiting the hub 31 from moving in a direction away from the body 21, so as to prevent the wind wheel 3 from being separated from the output shaft 22.

It can be appreciated that when the fan assembly 101 is in a normal operation or a shutdown state, the elastic member 4 provides a certain pre-pressure to the wind wheel 3, so that the wind wheel 3 is relatively fixed in the axial direction of the output shaft 22, ensuring that the wind wheel 3 cannot be separated from the output shaft 22, and the wind wheel 3 is reliably mounted on the output shaft 22 and rotates or is stationary along with the output shaft 22; when the fan assembly 101 falls down, particularly when the motor 2 is kept up after falling, and the wind wheel 3 is in a downward position relationship, the wind wheel 3 is driven by the motor 2 to move towards the direction close to the volute 1 due to the action of gravity, the wind wheel 3 is contacted with the volute 1 and then receives a reaction force from the volute 1, so that the wind wheel 3 moves towards the direction close to the motor 2, at the moment, the elastic piece 4 is compressed and deformed under the stress to buffer and absorb part of severe impact force from the volute 1 to the wind wheel 3, and then the absorbed impact force is released relatively slowly, so that the breakage and damage caused by severe impact of the wind wheel 3 and the volute 1 are effectively avoided, and the purpose of protecting the wind wheel 3 is achieved.

In the prior art, once the fan assembly falls down, particularly the motor is kept at the upper position after falling, and when the wind wheel is in the lower position relationship, the motor has large overall weight and large inertia, and the wind wheel which is rigidly connected with the motor is driven to collide with the volute, so that the wind wheel is broken and damaged due to severe impact extrusion. Compared with the fan assembly in the prior art, the elastic piece 4 is additionally arranged to realize flexible connection of the wind wheel 3 and the motor 2, so that breakage and damage caused by severe impact of the wind wheel 3 and the volute 1 are effectively avoided, the probability of damage of the fan assembly 101 due to transportation and falling is reduced, the maintenance cost and the maintenance time of the fan assembly 101 are reduced, and the sales cost of the fan assembly 101 is reduced.

According to the fan assembly 101 provided by the embodiment of the utility model, due to the arrangement of the elastic piece 4, when the fan assembly 101 is in the normal operation or shutdown state, a certain pre-pressure can be provided for the wind wheel 3, so that the wind wheel 3 is relatively fixed in the axial direction of the output shaft 22, the wind wheel 3 is ensured not to be separated from the output shaft 22, and the wind wheel 3 is reliably arranged on the output shaft 22 and rotates or is static along with the output shaft 22; when the wind wheel assembly 101 falls down, particularly the motor 2 is kept up after falling, and when the wind wheel 3 is in a lower position relationship, the elastic piece 4 is compressed and deformed under force to buffer and absorb part of severe impact force from the volute 1 to the wind wheel 3, so that the breakage and damage caused by severe impact of the wind wheel 3 and the volute 1 are effectively avoided, the probability of damage of the fan assembly 101 due to transportation falling is reduced, the maintenance cost and the maintenance time of the fan assembly 101 are reduced, and the sales cost of the fan assembly 101 is reduced.

In some embodiments of the present utility model, referring to fig. 21, the elastic member 4 is sleeved on the output shaft 22, so that the elastic member 4 can provide pre-compression to the wind wheel 3 when the fan assembly 101 is in a normal operation or a shutdown state; when the fan assembly 101 falls down, particularly when the motor 2 is kept up after falling down and the wind wheel 3 is in a downward position, the elastic piece 4 is convenient for buffering and absorbing the impact force of the volute 1.

Of course, the utility model is not limited thereto, and the elastic member 4 may be plural ones spaced apart in the circumferential direction of the output shaft 22.

In some embodiments of the present utility model, referring to fig. 18 and 21, a gasket 211 is provided on a side of the body 21 facing the hub 31, the gasket 211 is penetrated on the output shaft 22, and the elastic member 4 abuts against the gasket 211, so that the contact area between the elastic member 4 and the motor 2 can be increased, loosening is prevented, and the elastic member 4 and the motor 2 are protected. Alternatively, referring to fig. 10 and 21, an output shaft boss 224 is provided on the output shaft 22 of the motor 2, and may support the spacer 211, so as to facilitate installation and fixing of the spacer 211.

In some embodiments of the present utility model, referring to fig. 14 and 21, the hub 31 has a mounting hole, in which a sleeve 32 is fixed, and the sleeve 32 is sleeved outside the output shaft 22 and connected to the output shaft 22. Specifically, referring to fig. 10 and 15, the shaft sleeve 32 has a shaft sleeve hole platform 322, the output shaft 22 has an output shaft platform 223, and the shaft sleeve 32 and the output shaft 22 can be prevented from rotating relatively in the circumferential direction of the output shaft 22 by positioning and matching the shaft sleeve hole platform 322 and the output shaft platform 223, so that the shaft sleeve 32 rotates or is stationary along with the output shaft 22, and the wind wheel 3 is guaranteed to rotate or be stationary along with the output shaft 22. Further, referring to fig. 21, the elastic member 4 abuts against the sleeve 32 to better provide pre-compression force to the wind wheel 3, so as to ensure the reliability of the installation of the wind wheel 3 and the effect of buffering and absorbing the impact force of the volute 1 by the elastic member 4.

In a further embodiment of the present utility model, referring to fig. 16 and 17, a positioning protrusion 321 is provided on one of the outer peripheral wall of the sleeve 32 and the inner peripheral wall of the mounting hole, and a positioning groove matched with the positioning protrusion 321 is provided on the other, so that the coupling force between the hub 31 and the sleeve 32 can be increased, and the hub 31 is ensured to rotate or be stationary along with the output shaft 22. It can be understood that the outer peripheral wall of the shaft sleeve 32 is provided with a positioning protrusion 321, and the inner peripheral wall of the mounting hole is provided with a positioning groove matched with the positioning protrusion 321; the inner peripheral wall of the mounting hole may be provided with a positioning protrusion 321, and the outer peripheral wall of the sleeve 32 may be provided with a positioning groove matching the positioning protrusion 321.

Of course, the utility model is not limited thereto, and the matching of the positioning protrusion 321 and the positioning groove may be replaced by a threaded matching, the outer peripheral wall of the shaft sleeve 32 is provided with an external thread, and the inner peripheral wall of the mounting hole is provided with an internal thread, so that the binding force between the hub 31 and the shaft sleeve 32 can be increased, and the hub 31 is ensured to rotate or be static along with the output shaft 22.

In some embodiments of the present utility model, referring to fig. 10 and 21, a clamping groove 222 extending along a circumferential direction of the output shaft 22 is provided on the output shaft 22, the limiting structure 221 is a split ring, so that the assembly of the limiting structure 221 is facilitated, the split ring is clamped in the clamping groove 222, and the hub 31 can be further limited to move towards a direction away from the body 21 by matching the split ring and the clamping groove 222, so as to prevent the wind wheel 3 from separating from the output shaft 22. Further, referring to fig. 19, the split ring has a plurality of buckles 2211, which can improve the stability of the split ring matching with the clamping groove 222. For example, the number of snaps 2211 may be two, three, four, or five. In one specific example, as shown in fig. 19, the opening collar has three snaps 2211 that can mate with the detents 222 from three locations.

Of course, the present utility model is not limited thereto, and the limiting structure 221 may be an axial elastic retainer ring, and the axial elastic retainer ring cooperates with the clamping groove 222 to prevent the wind wheel 3 from being separated from the output shaft 22; alternatively, the limiting structure 221 and the wind wheel 3 may prevent the wind wheel 3 from being separated from the output shaft 22 by screw engagement.

In some embodiments of the present utility model, referring to fig. 7 and 13, the fan assembly 101 further includes a motor housing 5, where the motor housing 5 is disposed in the fan chamber 13 and includes a mounting seat 51 and a motor cover 52, the mounting seat 51 is connected to one axial end of the volute 1, and the motor cover 52 is connected to the mounting seat 51 and defines a mounting chamber with the mounting seat 51. Further, referring to fig. 9 and 13, the body 21 is disposed in the mounting cavity, the motor cover 52 has a through hole 521 for the output shaft 22 to penetrate, and the motor 2 is supported and clamped by the cooperation of the mounting seat 51 and the motor cover 52, so that the stability and reliability of the motor 2 are improved.

In a further embodiment of the present utility model, referring to fig. 8, 11 and 13, the mounting seat 51 is clamped with the volute 1, a plurality of clamping pins 511 are arranged at intervals on one end of the mounting seat 51 facing the volute 1, a plurality of clamping holes 112 corresponding to the plurality of clamping pins 511 are arranged on the volute 1, and the clamping pins 511 and the clamping holes 112 cooperate to play a role in positioning, so that the connection between the mounting seat 51 and the volute 1 is facilitated, and the assembly efficiency of the fan assembly 101 can be improved. For example, the number of the locking pins 511 may be two, three, four or five, and the number of the locking holes 112 may be two, three, four or five corresponding to the locking pins 511 one by one. In a specific example, as shown in fig. 8 and 11, three clamping pins 511 are provided on the mounting seat 51, and three clamping holes 112 corresponding to the three clamping pins 511 one by one are provided on the volute 1, so that the positioning can be performed from three places, and the accuracy of the matching of the mounting seat 51 and the volute 1 is improved.

Further, referring to fig. 7, the mounting base 51 is connected with the volute casing 1 through the fastening member 14, so that the reliability of connection between the mounting base 51 and the volute casing 1 can be improved, and the disassembly and assembly between the mounting base 51 and the volute casing 1 are facilitated, so that the assembly time of the fan assembly 101 can be shortened. Further, referring to fig. 7, 9 and 12, the mounting base 51 is connected to the motor cover 52 by the fastening member 14, so that the reliability of the connection between the mounting base 51 and the motor cover 52 can be improved, and the disassembly and assembly between the mounting base 51 and the motor cover 52 are facilitated, so that the assembly time of the fan assembly 101 can be shortened.

In some embodiments of the present utility model, referring to fig. 6 and 23, the scroll 1 includes a first scroll 11 and a second scroll 12 arranged and connected in an axial direction of the scroll 1, the first scroll 11 and the second scroll 12 together define a fan chamber 13, and a body 21 is fixed on a surface of the first scroll 11 facing the second scroll 12, so that processing of the scroll 1 and assembly of the fan assembly 101 can be facilitated.

In a further embodiment of the present utility model, referring to fig. 7, the first scroll 11 and the second scroll 12 are connected by the fastening member 14, so that the reliability of the connection between the first scroll 11 and the second scroll 12 can be improved, and the disassembly and assembly between the first scroll 11 and the second scroll 12 can be facilitated, so that the assembly time of the fan assembly 101 can be shortened.

In some embodiments of the present utility model, referring to fig. 23, the wind wheel 3 is a centrifugal wind wheel 3, the centrifugal wind wheel 3 is axially air-fed, radially air-discharged, the inlet 121 is disposed on an axial end surface of the volute 1 far away from the body 21, the outlet 111 is disposed on a circumferential wall surface of the volute 1, and air flow axially enters the volute 1 from the inlet 121 and then radially flows out of the volute 1 from the outlet 111, so that noise can be reduced as much as possible, and running stability of the fan assembly 101 can be ensured.

In a further embodiment of the present utility model, referring to fig. 22, a wind guiding ring 122 is disposed at the inlet 121, and the wind guiding ring 122 is disposed around the inlet 121 and extends toward the inside of the fan chamber 13, so as to play a role in guiding the airflow, and prevent part of the airflow from circulating outside the fan chamber 13.

The present utility model also proposes an air treatment module 100 having the fan assembly 101 of the above embodiment.

As shown in fig. 3 and 4, the air treatment module 100 according to the embodiment of the present utility model includes the air intake housing 6 and the blower assembly 101 described above.

Specifically, referring to fig. 3 and 4, the air inlet housing 6 is connected with the volute 1 and defines an air inlet cavity 61 together with the volute 1, the inlet 121 is communicated with the air inlet cavity 61, and the air inlet housing 6 is further provided with an air suction inlet 62 communicated with the air inlet cavity 61. It will be appreciated that the airflow within the air inlet housing 6 is directed from the inlet 62 into the air inlet chamber 61 and then from the inlet 121 into the fan chamber 13, thereby effecting the treatment of the airflow entering the air inlet housing 6.

According to the air treatment module 100 of the embodiment of the utility model, by arranging the fan assembly 101 and the elastic piece 4, when the fan assembly 101 is in a normal operation or shutdown state, a certain pre-pressure can be provided for the wind wheel 3, so that the wind wheel 3 is relatively fixed in the axial direction of the output shaft 22, the wind wheel 3 is ensured not to be separated from the output shaft 22, and the wind wheel 3 is reliably arranged on the output shaft 22 and rotates or stands along with the output shaft 22; when the fan assembly 101 falls down, particularly the motor 2 is kept up after falling, and the wind wheel 3 is in a downward position relationship, the elastic piece 4 is compressed and deformed under force to buffer and absorb part of severe impact force from the volute 1 to the wind wheel 3, so that the cracking damage caused by severe impact of the wind wheel 3 and the volute 1 is effectively avoided, the probability of damage of the fan assembly 101 due to transportation falling is reduced, and the maintenance cost and the maintenance time of the fan assembly 101 are reduced.

In some embodiments of the present utility model, referring to fig. 5, there are two suction ports 62, one of the two suction ports 62 is adapted to communicate with the indoor environment, and the other is adapted to communicate with the outdoor environment. The air suction port 62 is divided into a first air suction port 621 and a second air suction port 622, the first air suction port 621 is suitable for being communicated with an indoor environment, the second air suction port 622 is suitable for being communicated with an outdoor environment, and indoor air flow can enter the air treatment module 100 through the first air suction port 621, so that indoor air circulation is realized; the outdoor air flow enters the air treatment module 100 through the second air suction port 622, and the outdoor fresh air is introduced into the room, so that the fresh air function is realized, the quality of the indoor air can be improved to a certain extent, and the use experience of a user is improved.

Optionally, referring to fig. 5, a first air inlet grille 6211 is provided at the first air inlet 621, on the one hand, the first air inlet grille 6211 can prevent hands or other foreign matters from entering the air treatment module 100, thereby protecting the safety of the user and ensuring the normal operation of the air treatment module 100; on the other hand, the first air inlet grille 6211 can prevent insects and mice from entering the air treatment module 100 to damage the air treatment module 100, thereby ensuring the normal operation of the air treatment module 100.

In some embodiments of the present utility model, referring to fig. 4 and 5, the air treatment module 100 further includes an air outlet frame assembly 7, the air outlet frame assembly 7 is connected with the volute 1, a flow channel is defined in the air outlet frame assembly 7, an outlet 111 is communicated with the flow channel, and an air outlet 71 communicated with the flow channel is formed on the air outlet frame assembly 7. It will be appreciated that the flow direction of the air flow in the air outlet frame assembly 7 is such that the air flow enters the flow channel from the outlet 111 and then exits from the air outlet 71, thereby effecting the treatment of the air flow entering the air outlet frame assembly 7.

Optionally, an air treatment assembly is arranged in the air outlet frame assembly 7, and the air treatment assembly is arranged in the flow channel. The air treatment component is at least one of a purification component, a humidification component, a heating component and a sterilization component, and can select different components according to the actual requirements of different air treatment modules 100, so as to meet different use requirements.

Wherein, the air flow entering the air treatment module 100 can be purified by the purification component, so that the purified air flow is blown indoors, and the air quality is improved; the humidifying assembly can humidify the air flow entering the air treatment module 100, so that the air flow with humidity is blown into the room, the moisture content in the room is increased, and the indoor humidifying effect is realized; the heating component can heat or refrigerate the air flow entering the air treatment module 100, so that the air flow entering the air treatment module 100 from the outside is heated or cooled, the air flow with proper temperature is blown into the room, and the use experience of a user is improved; the sterilization assembly can sterilize the air flow entering the air treatment module 100, so that the sterilized air flow is blown indoors, cleaner, sanitary and healthy air is provided for the user, and different use demands of the user can be met.

The present utility model also proposes an air conditioner 1000 having the air treatment module 100 of the above embodiment.

As shown in fig. 2, the air conditioner 1000 according to the embodiment of the present utility model includes a housing 200, a heat exchange assembly 300, a heat exchange fan assembly 400, and the above-described air treatment module 100.

Specifically, referring to fig. 1, the casing 200 can protect the internal structure of the air conditioner 1000, thereby avoiding damage caused by exposure of the internal structure of the air conditioner 1000, being beneficial to prolonging the service life of the air conditioner 1000 and having better appearance effect.

Further, referring to fig. 1, the housing 200 includes a panel assembly 201, a top cover 202, a chassis member 203, a rear box member 204, and an air outlet frame member 205, and the panel assembly 201 includes an upper panel 2011 and a lower panel 2012, wherein the upper panel 2011 is connected with the lower panel 2012, which is beneficial to reducing the production cost and maintenance cost of the air conditioner 1000. Still further, referring to fig. 1, a portion of the rear case member 204 is connected to the lower panel 2012, a portion is connected to the air outlet frame member 205, the ends of the rear case member 204 and the lower panel 2012, which are far away from the upper panel 2011, are connected to the chassis member 203, and the top cover 202 is connected to the ends of the rear case member 204 and the air outlet frame member 205, which are far away from the chassis member 203, so that an integral structure is formed, protection of the internal structure of the air conditioner 1000 is achieved, and damage caused by contact of the user is avoided.

Further, referring to fig. 1 and 2, the housing 200 has a heat exchange air duct, a first air inlet 2041 and a first air outlet 2051, wherein the first air inlet 2041 is communicated with the heat exchange air duct, the first air inlet 2041 is provided on the rear housing part 204 and extends along the length direction (up-down direction shown in fig. 1) of the rear housing part 204, and air flow outside the air conditioner 1000 can enter the air conditioner 1000 through the first air inlet 2041.

Further, referring to fig. 2, a second air inlet grille 2042 is provided at the first air inlet 2041, on the one hand, the second air inlet grille 2042 can prevent hands or other foreign matters from entering the air conditioner 1000, thereby protecting the safety of the user and ensuring the normal operation of the air conditioner 1000; on the other hand, the second air inlet grille 2042 can prevent insects and mice from entering the housing 200 of the air conditioner 1000 to damage the air conditioner 1000, thereby ensuring normal operation of the air conditioner 1000 and ensuring attractive appearance of the air conditioner 1000.

Optionally, the second air inlet grille 2042 is detachably connected with the rear case component 204, the second air inlet grille 2042 can ensure that the appearance of the housing 200 is attractive, and after the second air inlet grille 2042 is detached, the components in the air conditioner 1000 are convenient to repair and replace, meanwhile, the second air inlet grille 2042 is convenient to clean, and dust accumulation of the second air inlet grille 2042 caused by overlong service time is avoided.

Further, referring to fig. 1, a first air outlet 2051 is provided in the air outlet frame member 205 and extends in a longitudinal direction (up-down direction shown in fig. 1) of the air conditioner 1000, and an air flow in the air conditioner 1000 can be blown into a room through the first air outlet 2051. Further, referring to fig. 1, the air outlet frame 205 is provided with a door 2052, and the door 2052 is movable along a width direction (a direction b shown in fig. 1) of the first air outlet 2051, so that the door 2052 can open or close the first air outlet 2051 to match with the opening or closing of the air conditioner 1000.

As can be appreciated, when the air conditioner 1000 is in use, the opening and closing door 2052 can open the first air outlet 2051, so that air flow can flow into the room through the first air outlet 2051; when the air conditioner 1000 is closed, the switch door 2052 can close the first air outlet 2051, so that dust, insects and the like are prevented from entering the air conditioner 1000, normal use of the air conditioner 1000 is ensured, and the air conditioner 1000 has a good appearance effect.

Further, referring to fig. 2, the heat exchange assembly 300 and the heat exchange fan assembly 400 are disposed in the heat exchange air duct, the heat exchange fan assembly 400 can drive the air flow outside the air conditioner 1000 to enter the housing 200 through the first air inlet 2041, the air flow in the housing 200 can exchange heat with the heat exchange assembly 300, and the air flow after heat exchange can be blown into the room through the first air outlet 2051, thereby achieving the effect of adjusting the indoor temperature and meeting the use requirement of users.

Optionally, referring to fig. 2, the second air inlet grille 2042 may be opposite to the heat exchange assembly 300 and the heat exchange fan assembly 400, so that the heat exchange fan assembly 400 drives the air flow outside the air conditioner 1000 to enter the casing 200 through the second air inlet grille 2042, so that the air flow is smoother, the air inlet amount is increased, the air inlet efficiency of the heat exchange fan assembly 400 is improved, the noise generated when the air conditioner 1000 operates is reduced, and the performance and the comfort of the air conditioner 1000 are improved. Preferably, as shown in FIG. 2, the heat exchange assembly 300 is disposed upstream of the heat exchange fan assembly 400 in the direction of flow of the air stream.

Still further, referring to fig. 2, the water receiving tray 301 is disposed below the heat exchange assembly 300, and is used for receiving condensed water generated during operation of the heat exchange assembly 300, so as to avoid the condensed water on the heat exchange assembly 300 flowing into the housing 200, so that the housing 200 is dripped or short-circuited in components in the housing 200. Further, referring to fig. 2, a drain pipe 302 is connected to the water receiving tray 301, for draining condensed water in the water receiving tray 301 to the outside of the air conditioner 1000.

Still further, referring to fig. 2, the air treatment module 100 is disposed in the housing 200 and is arranged along the length direction of the housing 200 with the heat exchange air duct, and the housing 200 has a second air inlet 2043 communicating with the air suction inlet 62 and a second air outlet 2046 communicating with the outlet 111, so as to treat the air flow entering the air treatment module 100. The second air inlet 2043 and the second air outlet 2046 are disposed on the rear case component 204, wherein the second air inlet 2043 includes a first sub-air inlet 2044 and a second sub-air inlet 2045, the first sub-air inlet 2044 is opposite to the first air inlet 621 and is disposed on the left and right sides of the air conditioner 1000, the second sub-air inlet 2045 is opposite to the second air inlet 622 and is disposed on the rear side of the air conditioner 1000, the second air outlet 2046 is disposed on the left and right sides of the air conditioner 1000, and air flow outside the air conditioner 1000 can enter the heat exchange air duct through the second air inlet 2043 and is blown into a room through the second air outlet 2046.

When the second air inlet 2043 is communicated with the indoor environment, indoor air flow enters the heat exchange air duct from the second air inlet 2043 and is blown back into the room again through the second air outlet 2046, so that indoor air circulation is realized; when the second air inlet 2043 is communicated with the outdoor environment, outdoor air flows into the heat exchange air duct from the second air inlet 2043, and is blown indoors through the second air outlet 2046, so that outdoor fresh air is introduced indoors, and a fresh air function is realized.

According to the air conditioner 1000 of the embodiment of the utility model, by arranging the air treatment module 100 and the elastic piece 4, when the fan assembly 101 is in a normal operation or shutdown state, a certain pre-pressure can be provided for the wind wheel 3, so that the wind wheel 3 is relatively fixed in the axial direction of the output shaft 22, the wind wheel 3 is ensured not to be separated from the output shaft 22, and the wind wheel 3 is reliably arranged on the output shaft 22 and rotates or stands along with the output shaft 22; when the fan assembly 101 falls down, particularly the motor 2 is kept up after falling, and the wind wheel 3 is in a downward position relationship, the elastic piece 4 is compressed and deformed under force to buffer and absorb part of severe impact force from the volute 1 to the wind wheel 3, so that the cracking damage caused by severe impact of the wind wheel 3 and the volute 1 is effectively avoided, the probability of damage of the fan assembly 101 due to transportation falling is reduced, and the maintenance cost and the maintenance time of the fan assembly 101 are reduced.

An air conditioner 1000 according to one embodiment of the present utility model is described below with reference to fig. 1 to 23, it being understood that the following description is only exemplary and is intended to be illustrative of the present utility model and not to be construed as limiting the present utility model.

Specifically, as shown in fig. 1 to 23, the air conditioner 1000 includes: the housing 200, the heat exchange assembly 300, the heat exchange fan assembly 400, and the air treatment module 100.

Further, the casing 200 can protect the internal structure of the air conditioner 1000, so as to avoid damage caused by exposure of the internal structure of the air conditioner 1000, thereby being beneficial to prolonging the service life of the air conditioner 1000 and having better appearance effect. The heat exchange fan assembly 400 is arranged in the heat exchange air duct, the heat exchange fan assembly 400 can drive air flow outside the air conditioner 1000 to enter the shell 200 through the first air inlet 2041, the air flow in the shell 200 can exchange heat with the heat exchange assembly 300, and the air flow after heat exchange can be blown into a room through the first air outlet 2051, so that the effect of adjusting indoor temperature is achieved, and the use requirement of a user is met.

Still further, the air treatment module 100 is disposed in the housing 200 and is arranged along the length direction of the housing 200 with the heat exchange air duct, and the air treatment module 100 includes: fan assembly 101, inlet air shell 6 and air-out frame subassembly 7.

Specifically, the fan assembly 101 includes: the device comprises a volute 1, a motor 2, a wind wheel 3, an elastic piece 4 and a motor casing 5. The scroll 1 includes a first scroll 11 and a second scroll 12 arranged and connected in an axial direction of the scroll 1, and the first scroll 11 and the second scroll 12 are connected by a fastener 14 to collectively define a fan chamber 13. The spiral case 1 is provided with an inlet 121 and an outlet 111 which are communicated with the fan cavity 13, the outlet 111 is arranged on the circumferential wall surface of the spiral case 1, the inlet 121 is arranged on the axial end surface of the second spiral case 12, a wind guide ring 122 is arranged at the inlet 121, the wind guide ring 122 surrounds the inlet 121 and extends towards the inside of the fan cavity 13, the guiding effect of air flow can be achieved, and part of air flow is prevented from circulating outside the fan cavity 13.

Further, the motor 2 is disposed in the fan chamber 13, the motor 2 includes a body 21 and an output shaft 22, the body 21 is fixed on a surface of the first scroll 11 facing the second scroll 12, and the output shaft 22 is connected with the body 21 and extends in an axial direction of the scroll 1. The output shaft 22 is provided with a clamping groove 222 extending along the circumferential direction of the output shaft 22, the output shaft 22 is provided with a limiting structure 221, the limiting structure 221 is a split check ring and is clamped in the clamping groove 222, and the wind wheel 3 can be prevented from being separated from the output shaft 22 through the matching of the split check ring and the clamping groove 222.

Still further, wind wheel 3 locates in fan cavity 13, under fan assembly 101 normal operating condition, wind wheel 3 can drive the air current in the fan cavity 13 and flow, wind wheel 3 has wheel hub 31, wheel hub 31 has the mounting hole, the mounting hole internal fixation has axle sleeve 32, axle sleeve 32 cover is located outside the output shaft 22 and is connected with output shaft 22, be equipped with location protrusion 321 on the periphery wall of axle sleeve 32, be equipped with on the interior periphery wall of mounting hole with location protrusion 321 complex positioning groove, can increase wheel hub 31 and axle sleeve 32's cohesion, make wheel hub 31 and output shaft 22 relatively fixed in the circumferencial direction of output shaft 22, and wheel hub 31 is movable along the axial direction of output shaft 22.

Still further, the elastic member 4 is disposed between the body 21 and the hub 31 to drive the hub 31 to move in a direction away from the body 21, the elastic member 4 is sleeved on the output shaft 22 and is stopped by the shaft sleeve 32, so that a certain pre-pressure can be provided to the wind wheel 3 when the fan assembly 101 is in a normal operation or shutdown state, the wind wheel 3 is relatively fixed in the axial direction of the output shaft 22, the wind wheel 3 is ensured not to be separated from the output shaft 22, and the wind wheel 3 is reliably mounted on the output shaft 22 and rotates or is stationary along with the output shaft 22; when the fan assembly 101 falls down, particularly the motor 2 is kept up after falling, and the wind wheel 3 is in a downward position relationship, the elastic piece 4 is compressed and deformed under force to buffer and absorb part of severe impact force from the volute 1 to the wind wheel 3, so that the cracking damage caused by severe impact of the wind wheel 3 and the volute 1 is effectively avoided, the probability of damage of the fan assembly 101 due to transportation falling is reduced, and the maintenance cost and the maintenance time of the fan assembly 101 are reduced.

In addition, the gasket 211 is arranged on one side of the body 21 facing the hub 31, the gasket 211 is penetrated on the output shaft 22, the elastic piece 4 is abutted against the gasket 211, the contact area between the elastic piece 4 and the motor 2 can be increased, looseness is prevented, and the elastic piece 4 and the motor 2 are protected.

In addition, motor casing 5 locates in the fan chamber 13 and including mount pad 51 and motor cover 52, mount pad 51 and first spiral case 11 joint and mount pad 51 are connected through fastener 14 with the axial one end of first spiral case 11, motor cover 52 is connected through fastener 14 with mount pad 51 and prescribes a limit to the installation chamber jointly with mount pad 51, body 21 locates in the installation chamber, have the through hole 521 that is used for output shaft 22 to wear out on the motor cover 52, support centre gripping installation motor 2 through the cooperation of mount pad 51 and motor cover 52, stability and reliability of motor 2 have been improved.

Further, the air inlet shell 6 is connected with the volute 1 and jointly defines an air inlet cavity 61 with the volute 1, the inlet 121 is communicated with the air inlet cavity 61, the air inlet shell 6 is further provided with two air suction inlets 62 communicated with the air inlet cavity 61, the air suction inlets 62 are divided into a first air suction inlet 621 and a second air suction inlet 622, the first air suction inlet 621 is suitable for being communicated with an indoor environment, the second air suction inlet 622 is suitable for being communicated with an outdoor environment, and indoor air flow can enter the air treatment module 100 through the first air suction inlet 621, so that indoor air circulation is realized; the outdoor air flow enters the air treatment module 100 through the second air suction port 622, and the outdoor fresh air is introduced into the room, so that the fresh air function is realized, the quality of the indoor air can be improved to a certain extent, and the use experience of a user is improved.

Further, the air outlet frame assembly 7 is connected with the volute 1, a flow channel is defined in the air outlet frame assembly 7, the outlet 111 is communicated with the flow channel, the air outlet frame assembly 7 is provided with an air outlet 71 communicated with the flow channel, the casing 200 is provided with a second air inlet 2043 communicated with the air suction inlet 62 and a second air outlet 2046 communicated with the outlet 111, so that air flows into the air inlet cavity 61 through the second air inlet 2043 and the air suction inlet 62, then flows into the fan cavity 13 through the inlet 121, flows into the flow channel from the outlet 111 after being processed, and then flows out of the air conditioner 1000 through the air outlet 71 and the second air outlet 2046.

Other configurations and operations of the blower assembly 101, the air treatment module 100, and the air conditioner 1000 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (16)

1. A fan assembly, comprising:

the volute is provided with a fan cavity, and an inlet and an outlet which are communicated with the fan cavity;

the motor is arranged in the fan cavity and comprises a body and an output shaft, the body is fixed at one axial end of the volute, and the output shaft is connected with the body and extends along the axial direction of the volute;

the wind wheel is arranged in the fan cavity and is provided with a hub, the hub is connected with the output shaft, and the hub and the output shaft are relatively fixed in the circumferential direction of the output shaft and can move along the axial direction of the output shaft;

the elastic piece is arranged between the body and the hub to drive the hub to move towards the direction away from the body, the output shaft is provided with a limiting structure, and the limiting structure is positioned on one side of the hub away from the elastic piece and used for limiting the hub to move towards the direction away from the body.

2. The fan assembly of claim 1, wherein the elastic member is sleeved on the output shaft.

3. The fan assembly of claim 1 wherein a side of the body facing the hub has a spacer, the resilient member abutting the spacer.

4. The fan assembly of claim 1, wherein the hub has a mounting hole, a sleeve is fixed in the mounting hole, the sleeve is sleeved outside the output shaft and connected with the output shaft, and the elastic member is stopped against the sleeve.

5. The fan assembly of claim 4, wherein one of the outer peripheral wall of the sleeve and the inner peripheral wall of the mounting hole is provided with a positioning projection, and the other is provided with a positioning groove which is matched with the positioning projection.

6. The fan assembly according to claim 1, wherein the output shaft is provided with a clamping groove extending along the circumferential direction of the output shaft, the limiting structure is a split washer, and the split washer is clamped in the clamping groove.

7. The fan assembly of claim 1 further comprising a motor housing disposed within the fan cavity and comprising:

The mounting seat is connected with one axial end of the volute;

the motor cover is connected with the mounting seat and jointly defines a mounting cavity with the mounting seat, the body is arranged in the mounting cavity, and the motor cover is provided with a through hole for the output shaft to penetrate out.

8. The fan assembly of claim 7, wherein the mount is snapped with the volute;

and/or the mounting seat is connected with the volute casing through a fastener;

and/or the mounting seat is connected with the motor cover through a fastener.

9. The fan assembly of claim 1 wherein the volute includes first and second volutes aligned and connected in an axial direction of the volute, the first and second volutes collectively defining the fan chamber, the body being secured to a surface of the first volute facing the second volute.

10. The fan assembly of claim 9, wherein the first volute and the second volute are connected by a fastener.

11. The fan assembly of claim 1, wherein the wind wheel is a centrifugal wind wheel, the inlet is provided on an axial end face of the volute remote from the body, and the outlet is provided on a circumferential wall face of the volute.

12. The fan assembly of claim 11 wherein the inlet is provided with a wind deflector disposed around the inlet and extending into the fan cavity.

13. An air treatment module, comprising:

the fan assembly of any of claims 1-12;

the air inlet shell is connected with the volute and jointly defines an air inlet cavity with the volute, the inlet is communicated with the air inlet cavity, and an air inlet opening communicated with the air inlet cavity is further formed in the air inlet shell.

14. An air treatment module according to claim 13, wherein there are two suction openings, one of the two openings being adapted to communicate with an indoor environment and the other being adapted to communicate with an outdoor environment.

15. The air treatment module of claim 13, further comprising:

the air outlet frame assembly is connected with the volute, a flow channel is defined in the air outlet frame assembly, the outlet is communicated with the flow channel, and the air outlet frame assembly is provided with an air outlet communicated with the flow channel.

16. An air conditioner, comprising:

The shell is internally provided with a heat exchange air duct, and a first air inlet and a first air outlet which are communicated with the heat exchange air duct;

the heat exchange assembly and the heat exchange fan assembly are arranged in the heat exchange air duct;

the air treatment module of any one of claims 13-15, wherein the air treatment module is disposed in the housing and is arranged with the heat exchange air duct along the length direction of the housing, and the housing is provided with a second air inlet communicated with the air suction inlet and a second air outlet communicated with the outlet.