CN217357083U

CN217357083U - Indoor unit of air conditioner

Info

Publication number: CN217357083U
Application number: CN202220120538.6U
Authority: CN
Inventors: 牛天新; 郝本华; 李国行; 任豪
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-09-02
Anticipated expiration: 2032-01-17

Abstract

The application relates to the technical field of air conditioners and discloses an air conditioner indoor unit, which comprises a heat exchange shell and a heat exchanger, wherein an air inlet is formed in the heat exchange shell; the air outlet shell is provided with a hollow cavity and an air outlet communicated with the hollow cavity, the bottom of the air outlet shell is open, the air outlet shell is sleeved on the boss through the opening, and the edge part of the opening is abutted against the top wall of the heat exchange shell, so that the air outlet shell can rotate relative to the heat exchange shell to adjust the horizontal air outlet angle; and the air guide device is arranged at the air outlet and can swing up and down to adjust the air outlet height. The application discloses air conditioning indoor unit has improved the efficiency that adjusts the temperature effectively.

Description

Indoor unit of air conditioner

Technical Field

The application relates to the technical field of air conditioners, for example to an air conditioner indoor unit.

Background

The air conditioner becomes one of indispensable household appliances in life, and the comfort of the living environment of people is effectively improved. The air conditioner on the market sets up the aviation baffle in air outlet department, realizes adjusting the air-out direction through the rotation of aviation baffle, and the air supply scope is limited.

In order to expand the air supply range, the prior art discloses a rotating mechanism of an air outlet frame, which comprises a chassis, a first rolling part and a turntable, wherein the chassis is provided with an upper surface and a lower surface, and the upper surface is provided with a plurality of first mounting grooves; the first rolling piece is arranged in the first mounting groove; the rotary table is used for connecting the air outlet frame and is supported by the first rolling piece; the turntable is mounted on the chassis in a limiting mode, and the first rolling part enables the turntable to rotate relative to the chassis, so that the large-angle rotation of the air outlet frame can be met, and the air supply range of the air conditioner is enlarged.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the prior art, the air outlet angle in the horizontal direction can only be adjusted by adjusting the large-angle rotation of the air outlet frame, and the air supply range is small, so that the temperature adjusting efficiency is low.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an indoor unit of an air conditioner, which improves the temperature adjusting efficiency.

In some embodiments, the air conditioning indoor unit includes: the heat exchange shell is provided with an air inlet, a boss is upwards constructed on the top wall of the heat exchange shell, and the boss is provided with a first through hole; the air outlet shell is provided with a hollow cavity and an air outlet communicated with the hollow cavity, the bottom of the air outlet shell is open, the air outlet shell is sleeved on the boss through the opening, and the edge part of the opening is abutted against the top wall of the heat exchange shell, so that the air outlet shell can rotate relative to the heat exchange shell to adjust the horizontal air outlet angle; and the air guide device is arranged at the air outlet and can swing up and down to adjust the air outlet height.

In some embodiments, the boss comprises: the first boss is circular in section and arranged on the top wall of the heat exchange shell; the second boss is circular in cross section and coaxially arranged on the top surface of the first boss; the diameter of the first boss is larger than that of the second boss, and the first boss and the second boss form a step.

In some embodiments, an open edge portion of the bottom of the air outlet casing extends downward to form a cylindrical sidewall, the cylindrical sidewall is sleeved on the first boss and forms an interlayer with the second boss, and a driving device is disposed in the interlayer and used for driving the air outlet casing to rotate so as to adjust the air outlet angle.

In some embodiments, the driving device comprises: a rack provided inside the cylindrical side wall in a circumferential direction of the cylindrical side wall; the motor is fixed on the step, and an output shaft of the motor is vertically arranged; the gear is coaxially arranged on the output shaft of the motor and meshed with the rack; the motor drives the gear to rotate, and drives the air outlet shell to rotate so as to adjust the air outlet angle.

In some embodiments, the first boss is configured with an annular protrusion on the outer side, and the cylindrical side wall is configured with an annular groove on the inner side corresponding to the position of the annular protrusion; when the air outlet shell is sleeved on the heat exchange shell, the annular groove is clamped on the annular bulge.

In some embodiments, the air guiding device comprises: the air outlet frame body is arranged at the air outlet; the air outlet frame body is provided with a plurality of swinging blades, the swinging blades extend along the horizontal direction and are arranged in the air outlet frame body, and the swinging blades are all rotatably connected with the air outlet frame body.

In some embodiments, the plurality of swing vanes comprises: actively swinging the blades; and the driven swing blades are in transmission connection with the driving swing blade through a transmission rod, so that the driven swing blades and the driving swing blade synchronously rotate.

In some embodiments, a first end of the driving swing blade is provided with a first convex column, first ends of a plurality of driven swing blades are provided with second convex columns, the position of the driving rod corresponding to the first convex column and the second convex column is provided with a second through hole, and the first convex column and the second convex column respectively extend out of the second through hole; the first ends of the driven swing blades and the first ends of the driving swing blades are located on the same side of the air outlet frame body.

In some embodiments, an opening is opened at an end of the air outlet frame corresponding to the active swing vane, and the air guiding device further includes: and the shifting component is in transmission connection with one end of the driving swing blade, and part of the shifting component extends out of the opening.

In some embodiments, further comprising: and the air inlet grille is arranged at the air inlet of the heat exchange shell.

The air-conditioning indoor unit provided by the embodiment of the disclosure can realize the following technical effects:

in the air-conditioning indoor unit provided by the embodiment of the disclosure, air enters the heat exchange shell from the air inlet, enters the air outlet shell through the first through hole after heat exchange, and is blown out from the air outlet of the air outlet shell. The air-out casing is rotatable to be connected in heat transfer casing, rotates through the air-out casing and can adjust the air-out angle, adjusts the ascending air-out angle of horizontal direction promptly. An air outlet of the air outlet shell is provided with an air guide device, and the air outlet height can be adjusted through the up-and-down swing of the air guide device, namely the air outlet angle in the vertical direction is adjusted.

The air conditioner indoor unit provided by the embodiment of the disclosure can effectively enlarge the air supply angle by matching the rotation of the air outlet casing with the air guide device arranged on the air outlet casing, thereby improving the efficiency of adjusting the indoor environment.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of another air conditioner indoor unit provided in the embodiment of the present disclosure;

fig. 3 is a schematic structural view of an air guiding device with an air outlet frame removed according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a heat exchange housing provided by an embodiment of the present disclosure;

FIG. 5 is a partially enlarged schematic view of a heat exchange housing provided in accordance with an embodiment of the present disclosure.

Reference numerals:

100: a heat exchange housing; 110: a boss; 120: a first boss; 121: an annular projection; 130: a second boss; 140: a first through hole; 150: a step;

200: an air outlet shell; 210: a cylindrical side wall;

300: an air guide device; 310: actively swinging the blades; 311: a first convex column; 320: driven swinging blades; 321: a second convex column; 330: a transmission rod;

400: an air inlet grille.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

With reference to fig. 1 to 5, an embodiment of the present disclosure provides an indoor unit of an air conditioner, including a heat exchange housing 100 and an air outlet housing 200, where the heat exchange housing 100 is provided with an air inlet, a boss 110 is configured on a top wall of the heat exchange housing 100, and the boss 110 is provided with a first through hole 140; the air outlet casing 200 is configured with a hollow cavity and an air outlet communicated with the hollow cavity, the bottom of the air outlet casing 200 is open, the air outlet casing 200 is sleeved on the boss 110 through the opening, and the edge part of the opening is abutted against the top wall of the heat exchange casing 100, so that the air outlet casing 200 can rotate relative to the heat exchange casing 100 to adjust the horizontal air outlet angle; and the air guide device 300 is arranged at the air outlet and can swing up and down to adjust the air outlet height.

The air outlet casing 200 is sleeved on the boss 110 of the top wall of the heat exchange casing 100 through the opening at the bottom, and the open edge part is abutted against the top wall of the heat exchange casing 100, so that relative rotation is realized between the air outlet casing 200 and the heat exchange casing 100. The air outlet angle can be adjusted by adjusting the rotation of the air outlet shell 200. The air outlet casing 200 is sleeved on the boss 110 on the top wall of the heat exchange casing 100, the air outlet casing 200 is constructed with a hollow cavity, and the air outlet casing 200 is communicated with the heat exchange casing 100 by forming the first through hole 140 on the boss 110. Therefore, air enters the heat exchange housing 100 from the air inlet, enters the air outlet housing 200 through the first through hole 140 after heat exchange, and is blown out from the air outlet of the air outlet housing 200.

Air-out casing 200 is rotatable to be connected in heat transfer casing 100, rotates through air-out casing 200 and can adjust the air-out angle, adjusts the ascending air-out angle of horizontal direction promptly. An air outlet of the air outlet casing 200 is provided with an air guide device 300, and the air outlet height, namely the air outlet angle in the vertical direction, can be adjusted by the up-and-down swing of the air guide device 300.

The air conditioner indoor unit provided by the embodiment of the disclosure can effectively enlarge the air supply angle by matching the rotation of the air outlet casing 200 with the air guide device 300 arranged on the air outlet casing 200, thereby improving the efficiency of adjusting the indoor environment.

Optionally, the boss 110 includes a first boss 120 and a second boss 130, the cross sections of which are circular, and the first boss 120 is disposed on the top wall of the heat exchange shell 100; the second boss 130 is coaxially arranged on the top surface of the first boss 120; wherein, the diameter of the first boss 120 is greater than the diameter of the second boss 130, and the first boss 120 and the second boss 130 form a step 150.

The first boss 120 and the second boss 130 are disposed as bosses 110 having circular cross sections, and accordingly, the opening at the bottom of the outlet casing 200 has a circular cross section. Thus, when the air outlet casing 200 is sleeved on the boss 110, the air outlet casing 200 and the heat exchange casing 100 can rotate relatively.

Simultaneously, set up first boss 120 and second boss 130 into cross-section for circular shape boss 110, when adjusting air-out casing 200 and rotate, can not receive the restriction of adjusting the angle, the user can rotate arbitrary angle with air-out casing 200 according to own actual demand to the air-out angle that makes air-out casing 200 of adjusting is nimble more, promotes user's use and experiences.

Optionally, an open edge portion of the bottom of the air outlet casing 200 extends downward to form a cylindrical sidewall 210, the cylindrical sidewall 210 is sleeved on the first boss 120 and forms an interlayer with the second boss 130, and a driving device is disposed in the interlayer and used for driving the air outlet casing 200 to rotate to adjust the air outlet angle.

The open edge portion of the bottom of the outlet casing 200 extends downward to form a cylindrical sidewall 210, and when the outlet casing 200 is sleeved on the boss 110, the cylindrical sidewall 210 can be close to the outer sidewall of the first boss 120. Thus, when air flows from the heat exchange housing 100 to the outlet housing 200 through the first through hole 140, the cylindrical sidewall 210 is close to the outer sidewall of the first boss 120, so as to effectively avoid the air leakage.

The first boss 120 is disposed on the top wall of the heat exchange housing 100, the second boss 130 is disposed on the top surface of the first boss 120, and the diameter of the first boss 120 is greater than that of the second boss 130, so that the first boss 120 and the second boss 130 form a step 150. When the outlet casing 200 is sleeved on the boss 110, the cylindrical sidewall 210 and the second boss 130 form an interlayer, and a driving device is disposed in the interlayer. The driving device drives the air outlet shell 200 to rotate, and a manual adjusting mode is replaced, so that the convenience of a user in use can be effectively improved.

The second boss 130 and the first boss 120 form a step 150, and further form an interlayer with the cylindrical sidewall 210, so as to provide an installation space for the driving device. Therefore, the driving device can be conveniently installed, and meanwhile, the sealing performance of connection between the air outlet shell 200 and the heat exchange shell 100 cannot be influenced, so that the phenomenon of air leakage is effectively avoided.

In the embodiment of the present disclosure, the driving device is configured to drive the rotation of the air outlet casing 200, so as to adjust the air outlet angle, the driving mode may be a driving mode in which a gear and a rack are matched, or a driving mode in which the air outlet casing 200 is driven by a rotating component, as long as the air outlet casing 200 is rotated, and therefore, no specific limitation is made.

Alternatively, the driving means includes a rack, a gear, and a motor, the rack being disposed inside the cylindrical sidewall 210 in the circumferential direction of the cylindrical sidewall 210; the motor is fixed on the step 150, and an output shaft of the motor is vertically arranged; the gear is coaxially arranged on the output shaft of the motor and meshed with the rack; wherein, motor drive gear rotates, drives air-out casing 200 and rotates in order to adjust the air-out angle.

The rack is arranged on the inner side of the cylindrical shape along the circumferential direction of the cylindrical side wall 210, the motor is fixed on the step 150, the output shaft of the motor is vertically arranged, and when the gear is coaxial with the output shaft of the motor, the arrangement direction of the gear is horizontal, so that the gear can be meshed with the rack. The motor drives the gear to rotate, so as to drive the air outlet casing 200 to rotate. The driving mode for driving the air outlet shell 200 is simple in structure and convenient to process and install.

Through the rotation of motor drive gear to drive the rotation of air-out casing 200, replace the mode of manual regulation, convenience when can improving the user effectively and use.

Optionally, an annular protrusion 121 is configured on the outer side of the first boss 120, and an annular groove is configured on the inner side of the cylindrical sidewall 210 corresponding to the position of the annular protrusion 121; when the air outlet casing 200 is sleeved on the heat exchange casing 100, the annular groove is clamped in the annular protrusion 121.

An annular protrusion 121 is formed outside the first boss 120, and an annular groove is formed inside the cylindrical sidewall 210 at a position corresponding to the annular protrusion 121. Like this, when heat transfer casing 100 is located to air-out casing 200 cover, annular groove joint in annular arch 121 to realize the relatively fixed between air-out casing 200 and the heat transfer casing 100. Thereby effectively avoiding the damage of different degrees caused by the falling of the air outlet shell 200 due to external force factors.

Simultaneously, annular groove and annular bulge 121 set up the form, and when adjusting air-out casing 200 and rotate, the annular groove joint can not cause air-out casing 200 pivoted card in annular bulge 121 to pause, and then has guaranteed air-out casing 200 pivoted smoothness nature effectively, promotes user's use and experiences.

Optionally, the air guiding device 300 includes an air outlet frame and a plurality of swing vanes, and the air outlet frame is disposed at the air outlet; the swing blades extend in the horizontal direction and are arranged in the air outlet frame body, and the swing blades are connected with the air outlet frame body in a rotating mode.

The air outlet of the air outlet casing 200 is provided with the air outlet frame, the swing blades extend along the horizontal direction and are arranged in the air outlet frame, and the rotation angles of the swing blades are adjusted, so that the height of air outlet is adjusted, namely the air outlet angle in the vertical direction is adjusted, and the efficiency of adjusting the indoor space temperature can be effectively improved.

Specifically, according to the natural phenomenon that cold air sinks when hot air rises, when the air conditioning indoor unit is in a heating operation state, the swinging blades are adjusted to rotate, so that hot air is blown downwards, and then the hot air rises from the lower half part of the indoor space to the upper half part of the indoor space, and the heating speed can be increased. When the air conditioner indoor unit is in a refrigerating running state, the swinging blades are adjusted to rotate, cold air is blown upwards, and then the cold air sinks to the lower half part of the room from the upper half part of the room, so that the refrigerating speed can be accelerated.

Optionally, the shape of the overlapping part of every two adjacent swinging blades of the plurality of swinging blades is matched.

When the swing blades close the air outlet, every two adjacent swing blades are partially overlapped and lapped, and the shapes of the overlapped parts are matched. Therefore, the air outlet can be completely blocked, the sealing performance of the air guiding device 300 is effectively improved, and dust or sundries and the like are prevented from entering the air outlet shell 200 from gaps, so that the air outlet is not easy to clean and even the normal operation of the indoor unit of the air conditioner is not influenced.

Optionally, the plurality of swing blades include a driving swing blade 310 and a plurality of driven swing blades 320, and the plurality of driven swing blades 320 are in transmission connection with the driving swing blade 310 through a transmission rod 330, so that the plurality of driven swing blades 320 and the driving swing blade 310 rotate synchronously.

The plurality of driven swing blades 320 are in transmission connection with the driving swing blade 310 through the transmission rod 330, so that the plurality of driven swing blades 320 and the driving swing blade 310 rotate synchronously. Therefore, the consistency of the rotation of the swing blades is effectively ensured, and the rotation angle of the swing blades is more convenient to adjust. When the rotation angle of the swing blade is adjusted, all the swing blades can be adjusted only by adjusting the active swing blade 310, and the mode that a user adjusts the swing blades individually is replaced, so that the use convenience of the user is effectively improved.

Meanwhile, the plurality of swing blades are enabled to rotate consistently, air output can be more uniform, and comfort of a user can be improved.

In the embodiment of the present disclosure, the driving swing blade 310 is in transmission connection with the plurality of driven swing blades 320, so that the rotation of the driving swing blade 310 drives the plurality of driven swing blades 320 to rotate, and further, the driving swing blade 310 and the plurality of driven swing blades 320 rotate synchronously, the transmission connection form of the driving swing blade 310 and the plurality of driven swing blades 320 may be a link transmission form or a gear connection form, as long as the driving swing blade 310 and the plurality of driven swing blades 320 can rotate synchronously, which is not limited specifically.

Optionally, a first end of the driving swing vane 310 is provided with a first boss 311, first ends of the plurality of driven swing vanes 320 are provided with second bosses 321, the transmission rod 330 is provided with second through holes corresponding to the first boss 311 and the second boss 321, and the first boss 311 and the second boss 321 respectively extend out of the second through holes; the first ends of the driven swing blades 320 and the first end of the driving swing blade 310 are located on the same side of the air outlet frame.

The arrangement mode can enable the driving swing vane 310 and the driven swing vanes 320 to synchronously rotate, and the structure is simple and convenient to process and install.

Optionally, the second through hole is provided with an unloading groove.

Therefore, on one hand, the driving swing blade 310 and the driven swing blade 320 are convenient to mount, on the other hand, a rotating space is provided for the rotation of the swing blades, the activity requirement is met, and the phenomenon of blocking in the rotating process is effectively avoided.

Optionally, an opening is formed in an end of the air outlet frame corresponding to the active swing vane 310, and the air guiding device 300 further includes a shifting component, which is connected to one end of the active swing vane 310 in a transmission manner, and a part of the shifting component extends out of the opening.

By providing a toggle assembly, the transmission is connected to one end of the active swing blade 310, and part of the toggle assembly extends out of the outlet. Furthermore, the rotation of the driving swing blade 310 can be driven by stirring the stirring component extending out of the outlet, so that the purpose of adjusting the air outlet direction of the air outlet by stirring the stirring component is realized. Like this, replaced the mode of the regulation air-out direction that the user directly stirred the pendulum leaf, stirred the subassembly through stirring and realized the regulation to the air-out direction, avoided directly stirring the pendulum leaf effectively and caused the damage to the pendulum leaf, and then leaded to reducing the life of pendulum leaf.

The poking component of the embodiment of the disclosure is in transmission connection with the driving swing blade 310, and achieves the purpose of adjusting the air outlet direction by poking the poking component. The driving connection mode of the shifting assembly and the driving swing vane 310 can be that the shifting wheel is directly in driving connection with the driving swing vane 310, or the shifting wheel is in driving connection with the driving swing vane 310 through a gear, as long as the purpose of adjusting the air outlet direction by shifting the shifting assembly can be achieved, and therefore, no specific limitation is made.

Optionally, the shifting assembly comprises a shifting wheel, a first gear and a second gear, the shifting wheel is coaxially connected with the first gear, and part of the shifting wheel extends out of the outlet; the second gear is fixedly connected with one end of the driving swing vane 310, and the second gear is meshed with the first gear.

By shifting the dial wheel, the dial wheel drives the first gear to rotate, and the first gear drives the second gear to rotate, so as to drive the driving swing blade 310 to swing. Like this, realized adjusting the purpose of air-out direction through stirring the thumb wheel, simultaneously, simple structure easily processes and installs.

Through such form that sets up, can improve the accuracy nature of adjusting the air-out direction effectively, and then promote user's use and experience.

Optionally, the indoor unit of the air conditioner further includes an air inlet grille 400 disposed at the air inlet of the heat exchange housing 100.

By providing the air inlet grill 400 at the air inlet, the air flowing through the air inlet is filtered. Like this, can avoid debris or the air in large granule impurity get into the indoor set of air conditioning inside effectively, and then influence the normal operating of indoor set of air conditioning.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An indoor unit of an air conditioner, comprising:

the heat exchange shell is provided with an air inlet, a boss is upwards constructed on the top wall of the heat exchange shell, and the boss is provided with a first through hole;

the air outlet shell is provided with a hollow cavity and an air outlet communicated with the hollow cavity, the bottom of the air outlet shell is open, the air outlet shell is sleeved on the boss through the opening, and the edge part of the opening is abutted against the top wall of the heat exchange shell, so that the air outlet shell can rotate relative to the heat exchange shell to adjust the horizontal air outlet angle;

and the air guide device is arranged at the air outlet and can swing up and down to adjust the air outlet height.

2. An indoor unit of an air conditioner according to claim 1, wherein the boss includes:

the first boss is circular in section and arranged on the top wall of the heat exchange shell;

the second boss is circular in cross section and coaxially arranged on the top surface of the first boss;

the diameter of the first boss is larger than that of the second boss, and the first boss and the second boss form a step.

3. An indoor unit of an air conditioner according to claim 2,

the air outlet casing is characterized in that the open edge part of the bottom of the air outlet casing extends downwards to form a cylindrical side wall, the cylindrical side wall is sleeved on the first boss and forms an interlayer with the second boss, and a driving device is arranged in the interlayer and used for driving the air outlet casing to rotate so as to adjust the air outlet angle.

4. An indoor unit of an air conditioner according to claim 3, wherein the driving means includes:

a rack provided inside the cylindrical side wall in a circumferential direction of the cylindrical side wall;

the motor is fixed on the step, and an output shaft of the motor is vertically arranged;

the gear is coaxially arranged on the output shaft of the motor and meshed with the rack;

the motor drives the gear to rotate, and drives the air outlet shell to rotate so as to adjust the air outlet angle.

5. An indoor unit of an air conditioner according to claim 3,

an annular bulge is formed on the outer side of the first boss, and an annular groove is formed on the inner side of the cylindrical side wall corresponding to the position of the annular bulge;

when the air outlet shell is sleeved on the heat exchange shell, the annular groove is clamped on the annular bulge.

6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the air guide device includes:

the air outlet frame body is arranged at the air outlet;

the air outlet frame body is provided with a plurality of swing blades, the swing blades extend in the horizontal direction and are arranged in the air outlet frame body, and the swing blades are connected with the air outlet frame body in a rotating mode.

7. An indoor unit of an air conditioner according to claim 6, wherein the plurality of swing vanes include:

actively swinging the blades; and the combination of (a) and (b),

and the plurality of driven swing blades are in transmission connection with the driving swing blade through a transmission rod so as to enable the plurality of driven swing blades and the driving swing blade to synchronously rotate.

8. An indoor unit of an air conditioner according to claim 7,

the first ends of the driving swing blades are provided with first convex columns, the first ends of the driven swing blades are provided with second convex columns, the positions of the transmission rod corresponding to the first convex columns and the second convex columns are provided with second through holes, and the first convex columns and the second convex columns respectively extend out of the second through holes;

the first ends of the plurality of driven swing blades and the first end of the driving swing blade are positioned on the same side of the air outlet frame body.

9. An indoor unit of an air conditioner according to claim 7,

the air-out framework corresponds the opening has been seted up to the one end of initiative pendulum leaf, air ducting still includes:

and the poking component is in transmission connection with one end of the driving swing blade, and part of the poking component extends out of the opening.

10. An indoor unit of an air conditioner according to any one of claims 1 to 5, further comprising:

and the air inlet grille is arranged at the air inlet of the heat exchange shell.