Air supply device and air conditioner indoor unit

Abstract

The present invention provides an air supply device and an indoor unit of an air conditioner, the air supply device comprising: a housing; an air supply mechanism, at least part of which is arranged in the housing, the air supply mechanism comprising an air duct component, the air duct component forming an air duct and an air supply port connected to the air duct; wherein an installation gap is provided between the air duct component and the housing, and a sealing structure is provided in the installation gap to seal the installation gap. The air supply device of the present invention solves the problems of air leakage and backflow in the air supply device in the prior art.

Description

Technical Field

[0001] The present invention relates to the field of household appliances, and in particular to an air supply device and an indoor unit of an air conditioner. Background Art

[0002] At present, the air supply mechanism of the air conditioner is generally composed of a fan blade, a motor, a housing, an air inlet component and an air outlet component. When the air supply mechanism is working, the fan blade rotates, and the air flow passes through the air inlet component, the fan blade and the air outlet component. Figure 1 As shown, the up and down air outlet directions and angles of the air conditioner are adjusted by the up and down swinging of the air guide plate 4. When the air guide plate 4 changes the air outlet direction, it is bound to reduce the air volume of the air conditioner, reduce the fan performance, and further reduce the energy efficiency of the air conditioner. When the air guide plate 4 is located at different angles, the impact on the air volume is different. When the air guide plate 4 is at the top or bottom, the air volume is reduced the most. In addition, the up and down wind sweeping angle range of the air guide plate 4 is small and cannot meet the user's use requirements. At the same time, large vortices are easily generated near the air outlet component, resulting in large aerodynamic noise, which affects people's comfort. For this reason, an air supply mechanism is proposed in the prior art. The air duct of the air supply mechanism can be rotatably arranged, which can realize large-angle rotation air supply without attenuation of the air volume, and can effectively reduce aerodynamic noise.

[0003] However, the above-mentioned air supply mechanism also has certain problems. In order to ensure that the air duct can rotate, the air duct needs to be separated from the shell during design, but the gap between them will cause air leakage and backflow, resulting in a reduction in the air volume at the air outlet, thereby reducing the energy efficiency of the air conditioner, and accompanied by the generation of noise, which cannot meet the user's usage requirements. Summary of the invention

[0004] The main purpose of the present invention is to provide an air supply device and an air conditioner indoor unit to solve the problems of air leakage and backflow in the air supply device in the prior art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided an air supply device, comprising: a housing; an air supply mechanism, at least a part of which is arranged in the housing, the air supply mechanism comprises an air duct component, the air duct component forms an air duct and an air supply port connected to the air duct; wherein an installation gap is provided between the air duct component and the housing, and a sealing structure is provided in the installation gap to seal the installation gap.

[0006] Furthermore, the air duct component is rotatably arranged to change the air supply direction of the air supply port; the sealing structure includes: a sealing member, a first sealing end of the sealing member is connected to the shell, and a second sealing end of the sealing member is abutted against the air duct component.

[0007] Further, the sealing member has a first sealing end and a second sealing end which are arranged opposite to each other along a first preset direction, and the sealing member is arranged to be reciprocatingly movable along the first preset direction.

[0008] Furthermore, the sealing structure further includes: a sliding groove provided in the housing, the sliding groove extending along a first preset direction, and the first sealing end being disposed in the sliding groove; an elastic member disposed in the sliding groove, a first connecting end of the elastic member being connected to the housing, and a second connecting end of the elastic member being connected to the first sealing end.

[0009] Furthermore, the seal includes a sliding portion and a contact portion. One end of the sliding portion forms the first sealing end, the other end of the sliding portion is connected to the contact portion, and one end of the contact portion away from the sliding portion abuts against the air duct component; the contact portion is a rolling portion, and the rolling portion is rotatably disposed relative to the sliding portion; wherein, the rolling portion is a ball or a roller; and / or, the contact portion is made of a flexible material.

[0010] Furthermore, the second sealing end abuts against the arc-shaped contact surface of the air duct component. The connection between the contact point of the second sealing end and the arc-shaped contact surface and the center of curvature of the arc-shaped contact surface is the first reference line, and the included angle between the first reference line and the first preset direction is β; wherein, 0 ≤ β < arccotμ, and μ is the friction coefficient between the seal and the air duct component.

[0011] Furthermore, the housing includes a panel body and a bottom case, and the air duct component includes a volute tongue and a volute casing; there are installation gaps between the panel body and the volute tongue and between the bottom case and the volute casing, a sealing structure is provided between the panel body and the volute tongue, and a sealing structure is provided between the bottom case and the volute casing.

[0012] Furthermore, the air duct component is rotatably disposed to change the air supply direction of the air outlet; the air supply device further includes a first limiting structure and a second limiting structure. The first limiting structure stops the air duct component at a first preset position, and the second limiting structure stops the air duct component at a second preset position, so that the air duct component rotates between the first preset position and the second preset position; the first limiting structure is disposed on the housing; and / or, the first limiting structure is disposed on the air duct component; the second limiting structure is disposed on the housing; and / or, the second limiting structure is disposed on the air duct component.

[0013] Furthermore, the housing includes a panel body and a bottom case, and the air duct component includes a volute tongue and a volute casing; the first limiting structure is disposed on the panel body; and / or, the first limiting structure is disposed on the volute tongue; the second limiting structure is disposed on the bottom case; and / or, the second limiting structure is disposed on the volute casing.

[0014] According to another aspect of the present invention, there is provided an air conditioner indoor unit, including an air supply device, and the air supply device is the above-mentioned air supply device.

[0015] The air supply device of the present invention comprises a housing and an air supply mechanism, at least part of which is arranged in the housing, and the air supply mechanism comprises an air duct component, which forms an air duct and an air supply port connected to the air duct, so that the air supply device supplies air through the air supply port. An installation gap is provided between the air duct component of the air supply device and the housing, and the installation gap is sealed by providing a sealing structure, so that air leakage and backflow in the installation gap are avoided, the air volume of the air supply port is ensured, and the energy efficiency of the air conditioner is improved, the noise generation is reduced, and the use requirements of the user are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 The air supply mechanism in the background technology is shown;

[0018] Figure 2 A schematic diagram showing a situation in which the air duct component of the air supply device of the indoor unit of the air conditioner according to the present invention is in a first preset position;

[0019] Figure 3 Shows Figure 2 The first partial enlarged view in;

[0020] Figure 4 Shows Figure 2 The second partial enlarged view in FIG.

[0021] Figure 5 A schematic diagram showing an embodiment in which the contact portion of the air supply device according to the present invention is made of a flexible material;

[0022] Figure 6 A schematic diagram is shown when the air duct component of the air supply device of the indoor unit of the air conditioner according to the present invention is in the second preset position.

[0023] The above drawings include the following reference numerals:

[0024] 10. Shell; 11. Panel body; 12. Bottom shell; 20. Air supply mechanism; 21. Air duct component; 211. Air duct; 212. Air supply port; 213. Arc contact surface; 214. Volute tongue; 215. Volute; 22. Fan blade; 30. Installation gap; 40. Sealing structure; 41. Sealing member; 411. Sliding portion; 412. Contact portion; 42. Sliding groove; 43. Elastic member; 50. First limiting structure; 60. Second limiting structure;

[0025] 1. Panel; 2. Heat exchanger; 3. Filter; 4. Air guide plate. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] The present invention provides an air supply device, please refer to Figures 2 to 6 , comprising: a shell 10; an air supply mechanism 20, at least part of which is arranged in the shell 10, and the air supply mechanism 20 includes a duct component 21, the duct component 21 forms an air duct 211 and an air supply port 212 connected to the air duct 211; wherein, an installation gap 30 is provided between the duct component 21 and the shell 10, and a sealing structure 40 is provided in the installation gap 30 to seal the installation gap 30.

[0030] The air supply device of the present invention includes a housing 10 and an air supply mechanism 20, at least part of which is disposed in the housing 10, and the air supply mechanism 20 includes an air duct component 21, the air duct component 21 forms an air duct 211 and an air supply port 212 connected to the air duct 211, so that the air supply device supplies air through the air supply port 212. An installation gap 30 is provided between the air duct component 21 of the air supply device and the housing 10, and the installation gap 30 is sealed by providing a sealing structure 40, so as to avoid air leakage and backflow in the installation gap 30, ensure the air volume of the air supply port 212, thereby improving the energy efficiency of the air conditioner, reducing the generation of noise, and meeting the use requirements of users.

[0031] In this embodiment, the air duct component 21 is rotatably arranged to change the air supply direction of the air supply port 212. Such an arrangement can change the air supply direction of the air supply device, and further change the air supply direction of the air conditioner indoor unit.

[0032] In this embodiment, the sealing structure 40 includes a sealing member 41, a first sealing end of the sealing member 41 is connected to the housing 10, and a second sealing end of the sealing member 41 is disposed against the air duct component 21. Such an arrangement seals the installation gap 30 through the sealing member 41, and since the second sealing end is disposed against the air duct component 21, the sealing of the installation gap 30 can be ensured even if the air duct component 21 rotates.

[0033] In this embodiment, the sealing member 41 has a first sealing end and a second sealing end arranged opposite to each other along the first preset direction, and the sealing member 41 is arranged to be reciprocatingly movable along the first preset direction. Such an arrangement can ensure that the second sealing end is always against the air duct component 21 to achieve sealing.

[0034] In this embodiment, the sealing structure 40 further includes: a slide groove 42, which is arranged on the housing 10, the slide groove 42 extends along the first preset direction, and the first sealing end is arranged in the slide groove 42; an elastic member 43, which is arranged in the slide groove 42, the first connecting end of the elastic member 43 is connected to the housing 10, and the second connecting end of the elastic member 43 is connected to the first sealing end. Such an arrangement ensures that the second sealing end is always against the air duct component 21, and the arrangement of the slide groove 42 ensures that the sealing member 41 moves along the first preset direction, that is, it plays a positioning role for the sliding part of the sealing member 41; it can also reduce air leakage.

[0035] Specifically, the first connecting end of the elastic member 43 is connected to the bottom of the slide slot 42, and the elastic member 43 extends along the first preset direction, that is, the elastic member 43 is telescopically arranged to extend along the first preset direction. The elastic member 43 keeps the seal in a compressed state at all times, ensuring that the installation gap is always in a sealed state.

[0036] Optionally, the elastic member 43 is a spring.

[0037] Specifically, the slide groove and the shell are formed integrally.

[0038] In this embodiment, the sealing member 41 includes a sliding portion 411 and a contact portion 412, one end of the sliding portion 411 forms a first sealing end, the other end of the sliding portion 411 is connected to the contact portion 412, and one end of the contact portion 412 away from the sliding portion 411 is abutted against the air duct component 21; the contact portion 412 is a rolling portion, and the rolling portion is rollably arranged relative to the sliding portion 411; wherein the rolling portion is a ball or a roller; and / or the contact portion 412 is made of a flexible material.

[0039] Specifically, the sliding portion 411 is a plate-shaped structure, and such a configuration has good sealing effect and movement reliability.

[0040] Specifically, the flexible material can also be said to be a soft deformable material. When the air duct component rotates, the flexible material can deform, fill the installation gap, ensure that the contact part 412 is always in contact with the air duct component, and ensure reliable sealing. Moreover, it can effectively reduce the friction force, which can not only reduce the air volume loss but also not hinder the rotation of the air duct.

[0041] Optionally, the flexible material can be rubber.

[0042] Specifically, the rolling part is a ball or a roller. When the air duct component rotates, the rolling part can roll accordingly, which can effectively reduce the friction force, does not hinder the rotation of the air duct component, ensures the smooth movement of the air duct component, and ensures reliable sealing.

[0043] In other embodiments, a flexible layer can also be provided outside the rolling part, and the rolling part contacts the air duct component through the flexible layer; wherein, the flexible layer is made of a flexible material.

[0044] In this embodiment, as Figure 2 shown, the second sealing end abuts against the arc-shaped contact surface 213 of the air duct component 21. The connection between the contact point of the second sealing end and the arc-shaped contact surface and the center of curvature of the arc-shaped contact surface 213 is the first reference line, and the included angle between the first reference line and the first preset direction is β; wherein, 0 ≤ β < arccotμ, and μ is the friction coefficient between the seal 41 and the air duct component 21.

[0045] Specifically, the smaller β is, the smaller the reciprocating movement resistance of the seal 41 is, the more reliable the work is, the greater the sealing pressing force is, and the better the sealing effect is. Optimally, β = 0; at this time, the normal pressure between the sliding part and the chute is the smallest, the static friction force is the smallest, and the reliability of the sliding part is higher.

[0046] Specifically, the air duct component 21 includes at least two arc-shaped contact surfaces 213. The first arc-shaped contact surface 213 among the at least two arc-shaped contact surfaces 213 is located at the volute tongue 214, and the second arc-shaped contact surface 213 among the at least two arc-shaped contact surfaces 213 is located at the volute casing 215.

[0047] In this embodiment, the housing 10 includes a panel body 11 and a bottom shell 12, and the air duct component 21 includes a volute tongue 214 and a volute casing 215; there are installation gaps 30 between the panel body 11 and the volute tongue 214 and between the bottom shell 12 and the volute casing 215. A sealing structure 40 is provided between the panel body 11 and the volute tongue 214, and a sealing structure 40 is provided between the bottom shell 12 and the volute casing 215.

[0048] Specifically, the slide groove 42 of the sealing structure 40 arranged between the panel body 11 and the volute tongue 214 is arranged on the panel body 11, and the notch of the slide groove 42 is arranged toward the volute tongue 214, and the second sealing end of the seal 41 of the sealing structure 40 arranged between the panel body 11 and the volute tongue 214 is abutted against the volute tongue 214.

[0049] Specifically, the slide groove 42 of the sealing structure 40 arranged between the bottom shell 12 and the volute 215 is arranged on the bottom shell 12, and the notch of the slide groove 42 is arranged toward the volute 215, and the second sealing end of the seal 41 of the sealing structure 40 arranged between the bottom shell 12 and the volute 215 is against the volute 215.

[0050] In this embodiment, the air supply device also includes a first limiting structure 50 and a second limiting structure 60. The first limiting structure 50 stops the air duct component 21 at a first preset position, and the second limiting structure 60 stops the air duct component 21 at a second preset position, so that the air duct component 21 can rotate between the first preset position and the second preset position; the first limiting structure 50 is arranged on the outer shell 10; and / or, the first limiting structure 50 is arranged on the air duct component 21; the second limiting structure 60 is arranged on the outer shell 10; and / or, the second limiting structure 60 is arranged on the air duct component 21.

[0051] In this embodiment, the outer shell 10 includes a panel body 11 and a bottom shell 12, and the air duct component 21 includes a volute tongue 214 and a volute 215; the first limiting structure 50 is arranged on the panel body 11; and / or, the first limiting structure 50 is arranged on the volute tongue 214; the second limiting structure 60 is arranged on the bottom shell 12; and / or, the second limiting structure 60 is arranged on the volute 215.

[0052] Specifically, the first limiting structure 50 includes a first protrusion and a first recessed portion matched with the first protrusion, the first protrusion is arranged on the volute tongue 214, and the first recessed portion is arranged on the panel body 11. When the air duct component is in the first preset position, the first protrusion is limited in the first recessed portion; the second limiting structure 60 includes a second protrusion and a second recessed portion matched with the second protrusion, the second protrusion is arranged on the volute 215, and the second recessed portion is arranged on the bottom shell 12. When the air duct component is in the second preset position, the second protrusion is limited in the second recessed portion.

[0053] During specific implementation, when the air duct component rotates clockwise to the first preset position, that is, when air is supplied horizontally, the first protrusion on the air duct component contacts the first recessed portion on the outer shell, restricting the air duct component from continuing to rotate clockwise. At this time, the horizontal position of the top end of the rear part of the air duct component is flush with the sealing structure, ensuring that there is no air leakage at the rear; when the air duct component rotates counterclockwise to the second preset position, that is, when air is supplied vertically, the second protrusion on the air duct component contacts the second recessed portion on the outer shell, restricting the air duct component from continuing to rotate counterclockwise. At this time, the horizontal position of the top end of the front part of the air duct component is flush with the sealing structure, ensuring that there is no air leakage at the front.

[0054] In this embodiment, the air supply mechanism 20 further includes a fan blade 22, which is arranged in the air duct. The air duct component is coaxial with the fan blade 22 and can rotate around the rotation axis of the fan blade 22; the first motor of the air supply mechanism drives the fan blade to rotate at a high speed, so that the air flow enters and flows out of the air duct; the second motor of the air supply structure drives the air duct component to rotate, so that the air outlet direction of the air duct component can rotate around the rotation axis of the fan blade 22 to supply air, thereby realizing the up-down air supply or left-right air supply of the air conditioner indoor unit.

[0055] The air supply mechanism of the present application may be a centrifugal fan in addition to a cross-flow fan.

[0056] The present invention also provides an air conditioner indoor unit, please refer to Figure 2 and Figure 6 , including an air supply device, wherein the air supply device is the air supply device in the above embodiment.

[0057] Specifically, the indoor unit of the air conditioner at least comprises a panel 1, a heat exchanger 2, and a filter 3, and the panel 1, the heat exchanger 2, the filter 3 and the housing are connected as a whole.

[0058] The present application aims to reduce air leakage and backflow in the indoor unit of the air conditioner, ensure that the air volume is not reduced, and effectively reduce aerodynamic noise.

[0059] The present application solves the problem of air leakage and backflow in the gap between the rotating air duct component and the outer shell, reduces air volume loss, and reduces aerodynamic noise.

[0060] The beneficial effects of the present application are reducing air volume loss, improving air conditioning energy efficiency, reducing eddy currents in supply air flow, reducing aerodynamic noise, meeting user requirements, and improving user comfort.

[0061] The present application can solve the shortcomings of the existing wind guide plate 4. The wind guide plate 4 is eliminated, the wind resistance is smaller, the air volume is increased, and the wind sweeping angle is also increased; the performance of the whole machine is improved, and the sealing structure can solve the problems of air leakage and backflow in the gaps between the air duct components and the outer shell, reduce the air volume loss, meet the user's comfort requirements, and reduce the vortex of the supply air flow, solving the problem of aerodynamic noise in the prior art.

[0062] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0063] The air supply device of the present invention includes a housing 10 and an air supply mechanism 20, at least part of which is disposed in the housing 10, and the air supply mechanism 20 includes an air duct component 21, the air duct component 21 forms an air duct 211 and an air supply port 212 connected to the air duct 211, so that the air supply device supplies air through the air supply port 212. An installation gap 30 is provided between the air duct component 21 of the air supply device and the housing 10, and the installation gap 30 is sealed by providing a sealing structure 40, so as to avoid air leakage and backflow in the installation gap 30, ensure the air volume of the air supply port 212, thereby improving the energy efficiency of the air conditioner, reducing the generation of noise, and meeting the use requirements of users.

[0064] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0065] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An air supply device, characterized in that: Comprising: A housing (10); An air supply mechanism (20), at least a part of the air supply mechanism (20) is arranged inside the housing (10), the air supply mechanism (20) includes a duct component (21), and the duct component (21) forms a duct (211) and an air outlet (212) communicating with the duct (211); Wherein, there is an installation gap (30) between the duct component (21) and the housing (10), and a sealing structure (40) is arranged in the installation gap (30) to seal the installation gap (30); The duct component (21) is rotatably arranged to change the air supply direction of the air outlet (212); The sealing structure (40) includes: A seal (41), a first sealing end of the seal (41) is connected to the housing (10), and a second sealing end of the seal (41) abuts against the duct component (21); the seal (41) has the relatively arranged first sealing end and the second sealing end along a first preset direction, and the seal (41) is arranged to be reciprocally movable along the first preset direction; A chute (42), arranged on the housing (10), the chute (42) extends along the first preset direction, and the first sealing end is arranged in the chute (42); An elastic member (43), arranged in the chute (42), a first connection end of the elastic member (43) is connected to the housing (10), and a second connection end of the elastic member (43) is connected to the first sealing end.

2. The air supply device according to claim 1, characterized in that: The seal (41) includes a sliding portion (411) and a contact portion (412), one end of the sliding portion (411) forms the first sealing end, the other end of the sliding portion (411) is connected to the contact portion (412), and the end of the contact portion (412) far from the sliding portion (411) abuts against the duct component (21); The contact portion (412) is a rolling portion, and the rolling portion is arranged to be rollable relative to the sliding portion (411); wherein, the rolling portion is a ball or a roller; and / or The contact portion (412) is made of a flexible material.

3. The air supply device according to claim 1, characterized in that: The second sealing end abuts against an arc-shaped contact surface (213) of the duct component (21), a connection line between the contact point of the second sealing end and the arc-shaped contact surface and the center of curvature of the arc-shaped contact surface (213) is a first reference line, and an included angle between the first reference line and the first preset direction is β; wherein, 0≤β<arccotμ, and μ is the friction coefficient between the seal (41) and the duct component (21).

4. The air supply device according to any one of claims 1 to 3, characterized in that: The housing (10) comprises a panel body (11) and a bottom shell (12); the air duct component (21) comprises a volute tongue (214) and a volute (215); the panel body (11) and the volute tongue (214) and the bottom shell (12) and the volute (215) both have the installation gap (30); the sealing structure (40) is provided between the panel body (11) and the volute tongue (214), and the sealing structure (40) is provided between the bottom shell (12) and the volute (215).

5. The air supply device according to claim 1, characterized in that: The air duct component (21) is rotatably arranged to change the air supply direction of the air supply port (212); the air supply device further comprises a first limiting structure (50) and a second limiting structure (60); the first limiting structure (50) stops the air duct component (21) at a first preset position, and the second limiting structure (60) stops the air duct component (21) at a second preset position, so that the air duct component (21) can rotate between the first preset position and the second preset position; The first limiting structure (50) is arranged on the housing (10); and / or the first limiting structure (50) is arranged on the air duct component (21); The second limiting structure (60) is arranged on the housing (10); and / or the second limiting structure (60) is arranged on the air duct component (21).

6. The air supply device according to claim 5, characterized in that: The housing (10) comprises a panel body (11) and a bottom housing (12); the air duct component (21) comprises a volute tongue (214) and a volute housing (215); The first limiting structure (50) is arranged on the panel body (11); and / or the first limiting structure (50) is arranged on the volute tongue (214); The second limiting structure (60) is arranged on the bottom shell (12); and / or the second limiting structure (60) is arranged on the volute (215).

7. An air conditioner indoor unit, comprising an air supply device, characterized in that: The air supply device is the air supply device according to any one of claims 1 to 6.

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