CN220205895U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an air conditioner indoor unit, which comprises two air outlet parts and a first air deflector, wherein the two air outlet parts are vertically arranged, and the two air outlet parts are arranged at intervals, so that a through air duct is formed between the two air outlet parts; each air outlet part is provided with a first air outlet which is vertically arranged. The first air deflector is vertically arranged and can be rotatably arranged around the edge of the rear end of the first air deflector, and the rear end of the first air deflector is arranged on the side wall of the through air duct or is close to the side wall of the through air duct. Because the rotatable air deflector is arranged in the through air duct, the air quantity of indoor air introduced by the through air duct is adjustable, and further the uniform air quantity is adjustable, so that a user can feel different air-conditioning air body senses, and the diversified requirements of the user on the air-conditioning air supply comfort can be met.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit.

Background

With the rapid development of air conditioning technology and the continuous improvement of living standard of people, more types of air conditioners are developed and applied to markets, and more users are also paying more attention to the comfort of air supply of the air conditioners. The double-tower air conditioner is used as a novel air conditioner, and the air inducing technology is adopted, so that indoor air and heat exchange air can be mixed and then enter the indoor environment, the cool and uncooled air supply effect is achieved, and the rapid cooling effect of the indoor environment can be realized after the air inducing is closed. However, in practical applications, the air supply requirements for the air conditioner are different in consideration of the age, physical condition, and the like of the user. In the existing air conditioner, because the uniform air quantity of the air conditioner is fixed, the air supply comfort diversified requirements of a user on the air conditioner are difficult to meet. In view of the above problems, no effective solution has been proposed at present.

Disclosure of Invention

In view of the above problems, the present utility model has been made to provide an indoor unit of an air conditioner that overcomes the above problems or at least partially solves the above problems, and can solve the problem of uniform air volume fixation of the existing air conditioner, thereby meeting the diversified demands of users on the comfort of air supply of the air conditioner.

Specifically, the present utility model provides an air conditioner indoor unit, comprising:

the two vertically arranged air outlet parts are arranged at intervals, so that a through air duct is formed between the two air outlet parts; each air outlet part is provided with a first air outlet which is vertically arranged;

the first air deflector is vertically arranged, the first air deflector is rotatably arranged around the edge of the rear end of the first air deflector, and the rear end of the first air deflector is arranged on the side wall of the through air duct or close to the side wall of the through air duct.

Optionally, a yielding groove is formed in the side wall of the through air duct, and the first air deflector is arranged in the yielding groove.

Optionally, the number of the first air deflectors is two, the two first air deflectors are rotatably arranged around the edge of the rear end of the first air deflectors, and the rear ends of the two first air deflectors are respectively arranged on the two side walls of the through air duct or close to the two side walls of the through air duct.

Optionally, the lengths of the two first air outlets are the same and are at the same height;

the length of the through air duct is greater than or equal to the length of the first air deflector;

the length of the first air deflector is greater than or equal to that of the first air outlet, the lower end of the first air deflector is lower than or equal to that of the first air outlet, and the upper end of the first air deflector is higher than or equal to that of the first air outlet.

Optionally, the outer surface of the other side wall of the first air deflector facing the through air duct is on the same surface as the corresponding side wall.

Optionally, the air conditioner further comprises a power device, wherein the power device is used for driving the first air deflectors to rotate, and the number of the power devices is consistent with that of the first air deflectors.

Optionally, the upper end and the lower end of the first air deflector are rotatably arranged on the top wall or the bottom wall of the through air duct through rotating shafts;

the power device is arranged on the upper side of the top wall of the through air duct, and the rotating shaft on the upper side of the top wall of the through air duct passes through the top wall of the through air duct to be connected with the power device;

the bottom wall downside of the through air duct is provided with a shaft sleeve, and the rotating shaft of the bottom wall downside of the through air duct is inserted into the shaft sleeve.

Optionally, the width of the through air duct gradually decreases from back to front;

the front end of the through air duct is connected with the first air outlet through an arc surface, and the arc surface protrudes towards the front of the through air duct.

Optionally, a second air outlet is further arranged at the front side of each air outlet part,

the second air outlet is positioned at one side of the first air outlet away from the other air outlet part;

the second air outlet is arranged in a vertical bar shape.

Optionally, each air outlet portion includes:

an air outlet main part, wherein the front side of the air outlet main part is provided with a communication port extending along the length direction of the air outlet main part; the two edges of the communication port extending along the length direction are a first edge and a second edge respectively; the surface of the air outlet base part comprises an air guide area connected to the first edge; the edge of the air guide area, which is arranged opposite to the first edge, is a third edge;

the air guide body is arranged at the front side of the air guide area; part or all of the front side surface of the air guide body is a first air guide surface, the first air outlet is arranged between the second edge and the air guide body, and the second air outlet is arranged between the third edge and the air guide body;

the two air guide devices are respectively arranged at the corresponding first air outlets, are used for guiding air out in the width direction of the first air outlets and can move to a wide-angle air guide position which is used for limiting a wide-angle air duct with the first air guide surface; the air guiding device comprises at least one second air guiding plate; when the wind guiding device moves to the wide-angle wind guiding position, the edge, closest to the wind guiding body, of the second wind guiding plate is positioned at the front side of the first wind guiding surface.

In the air conditioner indoor unit, a through air duct is formed between two air outlet parts in the air conditioner indoor unit, when the air conditioner starts to work, the two air outlet parts supply air forwards through respective air outlets, and a negative pressure environment is formed in the through air duct, so that indoor air behind the air conditioner indoor unit is caused to flow forwards through the through air duct to mix air outlet air flows of the two air outlet parts, and a drainage air mixing effect is formed. Because be provided with rotatable first aviation baffle in the wind channel that link up for the amount of wind of the indoor air that link up the wind channel and introduce is adjustable, and then makes even amount of wind adjustable, finally makes the user feel different air conditioner wind body and feel, can satisfy the user and supply air the diversified demand of travelling comfort to the air conditioner. Particularly, the first air deflector rotates around the rear edge of the first air deflector, and the special position of the rear edge enables the influence of the first air deflector on the airflow to be minimum, ensures the smoothness of air supply and has lower air supply noise.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

fig. 1 is a cross-sectional view of an air conditioning indoor unit according to an embodiment of the present utility model;

fig. 2 is a schematic front view of an air conditioning indoor unit according to an embodiment of the present utility model;

fig. 3 is a perspective view of a partial position of an indoor unit of an air conditioner according to an embodiment of the present utility model.

Detailed Description

An air conditioner indoor unit according to an embodiment of the present utility model is described below with reference to fig. 1 to 3. In the description of the present embodiment, it should be understood that the terms "first" and "second" 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 at least one such feature, i.e. one or more such features. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. When a feature "comprises or includes" a feature or some of its coverage, this indicates that other features are not excluded and may further include other features, unless expressly stated otherwise.

Unless specifically stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," "coupled," and the like should be construed broadly, as they may be connected, either permanently or removably, or integrally; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present utility model as the case may be.

Furthermore, in the description of the present embodiments, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature therebetween. That is, in the description of the present embodiment, the first feature being "above", "over" and "upper" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature "under", "beneath", or "under" a second feature may be a first feature directly under or diagonally under the second feature, or simply indicate that the first feature is less level than the second feature.

In the description of the present embodiment, a description referring to the terms "one embodiment," "some embodiments," "illustrative 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 do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Fig. 1 is a cross-sectional view of an indoor unit of an air conditioner according to the present utility model, as shown in fig. 1, and referring to fig. 2 to 3, an indoor unit 10 of an air conditioner according to an embodiment of the present utility model includes two air outlet portions 100 and a first air deflector 200 disposed vertically. The two air outlet portions 100 are disposed at a distance such that a through air duct 300 is formed between the two air outlet portions 100. Each air outlet portion 100 is provided with a first air outlet 110 which is vertically arranged. The first air guide plate 200 is vertically disposed, the first air guide plate 200 is rotatably disposed around a rear end edge thereof, and a rear end of the first air guide plate 200 is disposed on a side wall of the through air duct 300 or adjacent to the side wall of the through air duct 300.

In the indoor unit of the air conditioner of the present utility model, as shown in fig. 1, a through duct 300 is formed between two air outlet portions 100 in the indoor unit 10 of the air conditioner, and when the air conditioner starts to operate, the two air outlet portions 100 supply air forward through respective air outlets, and at the same time, a negative pressure environment is formed in the through duct 300, so that indoor air behind the indoor unit 10 of the air conditioner is caused to flow forward through the through duct 300 to mix with the air outlet flows of the two air outlet portions 100, thereby forming a drainage air mixing effect. Because the rotatable first air deflector 200 is arranged in the through air duct 300, the air quantity of indoor air introduced by the through air duct 300 is adjustable, so that the uniform air quantity is adjustable, and finally, a user can feel different air-conditioning air body senses, and the user can meet the diversified requirements on the air-conditioning air supply comfortableness. In particular, the first air deflector 200 rotates around its rear edge, and the special position of the rear edge minimizes the influence of the first air deflector 200 on the airflow, ensures the air supply smoothness, and has lower air supply noise.

In some embodiments of the present utility model, as shown in fig. 3, a relief groove is provided on a sidewall of the through air duct 300, and the first air deflector 200 is disposed in the relief groove. When the air conditioning indoor unit 10 does not perform uniform air, the relief groove can reduce the influence of the first air guide plate 200 on the airflow.

In some embodiments of the present utility model, as shown in fig. 3, the outer surface of the other sidewall of the first air deflector 200 facing the through air duct 300 is on the same plane as the corresponding sidewall. That is, the outer surface of the first air deflector 200 is on the same plane with the side wall of the through air duct 300, that is, the edge of the first air deflector 200 coincides with the opening edge of the abdication groove, that is, the first air deflector 200 is sealed at the opening of the abdication groove. By the arrangement, when the first air deflector 200 does not need to work, the air guiding of the original through air duct 300 is not influenced, and meanwhile, the influence of the abdication groove on the air guiding of the through air duct 300 can be prevented.

In some embodiments of the present utility model, as shown in fig. 1, the number of first air deflectors 200 is two, the two first air deflectors 200 are rotatably disposed around the rear end edges thereof, and the rear ends of the two first air deflectors 200 are respectively disposed on the two sidewalls of the through air duct 300 or adjacent to the two sidewalls of the through air duct 300. The first wind deflector 200 can control the wind quantity of induced air during the operation of the air conditioner. The two first air deflectors 200 are arranged, so that the air induction quantity of the whole through air duct 300 can be rapidly and effectively controlled, the air induction efficiency is higher, and the air homogenizing efficiency of the air conditioner indoor unit 10 is improved, so that the diversified requirements of a user on the air supply comfort of the air conditioner are met.

In some embodiments of the present utility model, as shown in fig. 3, the two first air outlets 110 have the same length and are at the same height. The length of the through air duct 300 is greater than or equal to the length of the first air deflection 200. The length of the first air deflector 200 is greater than or equal to the length of the first air outlet 110, the lower end of the first air deflector 200 is lower than the lower end of the first air outlet 110 or is higher than the lower end of the first air outlet 110, and the upper end of the first air deflector 200 is higher than the upper end of the first air outlet 110 or is higher than the upper end of the first air outlet 110.

In this embodiment, two air outlet portions 100 of the air conditioner are respectively provided with a vertical first air outlet 110, and the length of the first air deflector 200 is set to be greater than or equal to the length of the first air outlet 110, so that the air outlet range of the whole first air outlet 110 can be covered by the first air deflector 200 in the working process, and the air outlet at any position of the first air outlet 110 can be mixed by the air from the through air duct 300 so as to be evenly distributed, so that the air distribution amount can be adjusted, and the situations that the air outlet of the first air outlet 110 is not evenly distributed and the air distribution amount is not adjustable are prevented. Meanwhile, the air blown out from the vertically arranged first air outlet 110 can avoid the delamination of the indoor temperature, so that the indoor temperature is uniformly distributed in the up-down direction.

In some embodiments of the present utility model, as shown in fig. 3, the indoor unit 10 further includes a power device 400, where the power device 400 is used to drive the first air deflectors 200 to rotate, and the number of the power devices 400 is consistent with the number of the first air deflectors 200. The power device 400 mainly provides external power for the rotation of the first air deflector 200, for example, the power device 400 is a stepping motor, and the stepping motor is configured to be a mode capable of driving the first air deflector 200 to rotate through an assembly structure, so that the motor can drive the first air deflector 200 to rotate according to the user requirement when the air conditioner is in normal operation.

In some embodiments of the present utility model, as shown in fig. 3, the upper and lower ends of the first wind deflector 200 are rotatably installed to the top and bottom walls of the through-air duct 300 by rotating shafts. The power unit 400 is located at the upper side of the top wall of the through air duct 300, and a rotating shaft passing through the upper side of the top wall of the through air duct 300 passes through the top wall of the through air duct 300 to be connected to the power unit 400. A shaft sleeve is provided at the lower side of the bottom wall of the through air duct 300, and a rotating shaft at the lower side of the bottom wall of the through air duct 300 is inserted into the shaft sleeve.

In some embodiments of the present utility model, the width of the through air duct 300 gradually becomes smaller from the rear to the front as shown in fig. 1. The front end of the through air duct 300 is connected with the first air outlet 110 through an arc surface, and the arc surface protrudes towards the front of the through air duct. The width between the through air channels 300 is gradually reduced, so that the air guiding effect of the through air channels 300 is better, and the through air channels 300 with the shape can accelerate the introduced air flow. The front end of the through air duct 300 is connected with the first air outlet 110 through the arc surface, so that the mixed air flows out more smoothly, and the air outlet effect is better.

In some embodiments of the present utility model, as shown in fig. 2, two air outlet portions 110 are symmetrically disposed about a vertical reference plane extending front and rear. The symmetrically arranged air outlet portions 110 make the shape of the vertical air conditioner indoor unit 10 stable and meet the aesthetic requirements of people.

In some embodiments of the present utility model, as shown in fig. 1, a second air outlet 120 is further provided at a front side of each air outlet portion 100. The second air outlet 120 is located at a side of the first air outlet 110 away from the other air outlet 100. The second air outlet 120 is provided in a vertical bar shape. The air outlet of the second air outlet 120 provided in a vertical bar shape can prevent the indoor temperature from layering, so that the indoor temperature is uniform in the up-down direction.

In some embodiments of the present utility model, as shown in fig. 1, each air outlet portion 100 is provided therein with an air outlet duct and a bypass duct, a front end of each air outlet duct is connected to an edge of a corresponding first air outlet 110, each bypass duct is communicated with a corresponding air outlet duct, and each bypass duct is communicated with a corresponding second air outlet 120.

In some embodiments of the present utility model, as shown in fig. 1, each air outlet portion 100 has a first air guiding surface connected to an edge of a corresponding first air outlet 110 on a side away from the other air outlet portion 100. The indoor unit 10 further includes two air guiding devices 500, where each air guiding device 500 is disposed at a corresponding first air outlet 110, and is configured to guide air in a width direction of the first air outlet 110 and move to a wide-angle air guiding position that defines a wide-angle air duct with the first air guiding surface.

In operation, the air guiding device 500 on the air outlet portion 100 rotates to guide the direction of the air blown out from the first air outlet 110, particularly, when the air guiding device 500 rotates to the wide-angle air guiding position, at least a part of the air blown out from the first air outlet 110 enters the wide-angle air duct defined by the first air guiding surface and the air guiding device 500 and is blown out in a direction away from the other air outlet portion 100, so that the air outlet angle of the first air outlet 110 is enlarged, and the air outlet angles of the two air outlet portions 100 are further larger, thereby meeting the requirement of the user on wide-angle air supply of the vertical air conditioner indoor unit 10.

In some embodiments of the present utility model, as shown in fig. 1, each of the air outlet portions 100 includes an air outlet base 130 and an air guide 140. The front side of the air outlet base 130 has a communication port extending in the longitudinal direction of the air outlet base 130. The two edges of the communication port extending along the length direction are a first edge and a second edge respectively. The surface of the air-out base 130 includes an air-guiding region connected to the first edge. The edge of the air guiding area, which is arranged opposite to the first edge, is a third edge. The wind guide 140 is disposed at the front side of the wind guide area. The wind guiding body 140 includes a first wind guiding surface disposed on a front side of the wind guiding body 140, the first wind guiding surface has a fourth edge and a fifth edge, the fourth edge is close to the second edge, the fifth edge is close to the third edge, and the fifth edge is in an oblique front of the fourth edge. Between the wind guide body 140 and the wind guide area is a bypass wind channel. The interval between the second edge and the end of the air guide body 30 having the fourth edge is the first air outlet 110, and the interval between the third edge and the end of the air guide body 140 having the fifth edge is the second air outlet 120. The bypass duct communicates the communication port with the second air outlet 120.

In these embodiments, as shown in fig. 1, by providing the air outlet base 130 and the air guide body 140, each air outlet 100 is provided with two air outlets and a first air guide surface, so that the vertical air conditioner indoor unit 10 has novel design and two purposes on the premise of realizing wide-angle air outlet.

In some embodiments of the present utility model, as shown in fig. 1, an air outlet structure 121 is disposed at the second air outlet 120, and the air outlet structure 121 blows the air outlet passing through the second air outlet 120 toward a front side of the second air outlet 120 near the third edge. That is, the wind entering the bypass duct can change the wind direction and enlarge the wind outlet angle after passing through the wind outlet structure 121.

In some embodiments of the present utility model, as shown in fig. 1, the air outlet structure 121 includes a plurality of arc plates, and the plurality of arc plates are disposed in parallel, and the plurality of arc plates protrude toward the front of the first air outlet 110, so that the air outlet passing through the arc plates blows out toward the front side of the second air outlet 120 near the third edge.

Of course, in other embodiments of the present utility model, the second air outlet 120 is provided with an air outlet structure 121, and the air outlet structure 121 blows the air outlet passing through the second air outlet 120 toward the right front of the second air outlet 120.

In some embodiments of the present utility model, as shown in FIG. 1, an air intake structure 122 is provided at the inlet of the bypass duct to break up the wind passing through the inlet of the bypass duct.

Further, in some embodiments of the present utility model, as shown in fig. 1, the air intake structure 122 is a micro-plate, and two edges of the micro-plate along the length direction are respectively connected to the fourth edge and the first edge. Part of the air outlet of the communication port is scattered by the micropores through the micropore plate to become breeze, so that the air outlet is softer.

In some embodiments of the present utility model, as shown in fig. 1, the wind guiding device 500 includes at least one second wind guiding plate 510, and when the wind guiding device 500 moves to the wide-angle wind guiding position, an edge of the second wind guiding plate 510 closest to the wind guiding body 140, which is close to the wind guiding body 140, is located at a front side of the first wind guiding surface. This arrangement may provide a wide angle air duct between the second air deflection plate closest to the air deflection body 140 and the first air deflection surface. Preferably, the air guiding device 500 includes two second air guiding plates 510. The two second air deflectors are arranged along the width direction of the first air outlet 110.

In some embodiments of the present utility model, as shown in fig. 1, the air outlet portion 100 further includes an air duct connected to the communication port, and a tangential plane of an air duct wall of the air duct connected to the first edge at the first edge is a reference tangential plane. The air guide body 140 is located at one side of the reference tangential plane far away from the first air outlet. The arrangement is beneficial to wide-angle wind guiding and can not obstruct the wind outlet of the communication port.

In some embodiments of the present utility model, as shown in fig. 1, the through duct 300 includes only an air inlet section and an air outlet section connected to each other. The width of the air outlet section gradually increases along the flow direction of the air flow. The width of the air inlet section gradually becomes smaller along the flowing direction of the air flow. The above arrangement of the through air duct 300 facilitates the air entering from the rear side of the through air duct 300 and also facilitates the air in the through air duct 300 to flow forward.

In some embodiments of the present utility model, as shown in fig. 1, the second edge is the front end of the air outlet section.

In some embodiments of the present utility model, an air inlet 600 communicating with the communication port is provided on a sidewall of each of the air outlet portions 130. A fan is arranged in each air outlet main part 130, and the fan guides air to enter the air outlet main parts 130 and blow out from the communication ports. The fan is a cross flow fan 131. At least one of the air outlet portions 130 is provided with a heat exchanger 132 therein. When one of the two air outlet base parts 130 blows the heat exchange air flow, the non-heat exchange air flow and the air in the through air duct 300 are mixed in front of the vertical air conditioner indoor unit 10, so that the temperature of the mixed air flow is closer to the room temperature, and the air outlet is soft. When both the two air outlet main units 130 blow the heat exchange air flow, the heat exchange air flow and the air in the through air duct 300 are mixed in front of the vertical air conditioner indoor unit 10, and the air outlet is also softened.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. An air conditioning indoor unit, comprising:

the two vertically arranged air outlet parts are arranged at intervals, so that a through air duct is formed between the two air outlet parts; each air outlet part is provided with a first air outlet which is vertically arranged;

the first air deflector is vertically arranged, the first air deflector is rotatably arranged around the edge of the rear end of the first air deflector, and the rear end of the first air deflector is arranged on the side wall of the through air duct or close to the side wall of the through air duct.

2. An indoor unit for an air conditioner according to claim 1, wherein,

the side wall of the through air duct is provided with a yielding groove, and the first air deflector is arranged in the yielding groove.

3. An indoor unit for an air conditioner according to claim 1, wherein,

the two first air deflectors are rotatably arranged around the edges of the rear ends of the two first air deflectors, and the rear ends of the two first air deflectors are respectively arranged on or close to the two side walls of the through air duct.

4. An indoor unit for an air conditioner according to claim 1, wherein,

the lengths of the two first air outlets are the same and are positioned at the same height;

the length of the through air duct is greater than or equal to the length of the first air deflector;

the length of the first air deflector is greater than or equal to that of the first air outlet, the lower end of the first air deflector is lower than or equal to that of the first air outlet, and the upper end of the first air deflector is higher than or equal to that of the first air outlet.

5. An indoor unit for an air conditioner according to claim 2, wherein,

the outer surface of the first air deflector, which faces the other side wall of the through air duct, is positioned on the same surface as the corresponding side wall.

6. The indoor unit of claim 1, further comprising a power device, wherein the power device is configured to drive the first air deflectors to rotate, and the number of power devices is consistent with the number of first air deflectors.

7. The indoor unit of claim 6, wherein the indoor unit of the air conditioner,

the upper end and the lower end of the first air deflector are rotatably arranged on the top wall and the bottom wall of the through air duct through rotating shafts;

the power device is arranged on the upper side of the top wall of the through air duct, and the rotating shaft on the upper side of the top wall of the through air duct passes through the top wall of the through air duct to be connected with the power device;

the bottom wall downside of the through air duct is provided with a shaft sleeve, and the rotating shaft of the bottom wall downside of the through air duct is inserted into the shaft sleeve.

8. An indoor unit for an air conditioner according to claim 1, wherein,

the width of the through air duct gradually becomes smaller from back to front;

the front end of the through air duct is connected with the first air outlet through an arc surface, and the arc surface protrudes towards the front of the through air duct.

9. An indoor unit for an air conditioner according to claim 1, wherein,

a second air outlet is further formed in the front side of each air outlet part;

the second air outlet is positioned at one side of the first air outlet away from the other air outlet part;

the second air outlet is arranged in a vertical bar shape.

10. The indoor unit of claim 9, wherein each of the air outlet portions includes:

an air outlet main part, wherein the front side of the air outlet main part is provided with a communication port extending along the length direction of the air outlet main part; the two edges of the communication port extending along the length direction are a first edge and a second edge respectively; the surface of the air outlet base part comprises an air guide area connected to the first edge; the edge of the air guide area, which is arranged opposite to the first edge, is a third edge;

the air guide body is arranged at the front side of the air guide area; part or all of the front side surface of the air guide body is a first air guide surface, the first air outlet is arranged between the second edge and the air guide body, and the second air outlet is arranged between the third edge and the air guide body;

the two air guide devices are respectively arranged at the corresponding first air outlets, are used for guiding air out in the width direction of the first air outlets and can move to a wide-angle air guide position which is used for limiting a wide-angle air duct with the first air guide surface; the air guiding device comprises at least one second air guiding plate; when the wind guiding device moves to the wide-angle wind guiding position, the edge, closest to the wind guiding body, of the second wind guiding plate is positioned at the front side of the first wind guiding surface.