CN213300242U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model discloses an indoor unit of air conditioner, indoor unit of air conditioner includes the casing for open or close the aviation baffle, drive assembly, the decorative board of air outlet, the air outlet is injectd to the casing, drive assembly locates in the casing, drive assembly has the impeller, the impeller is connected with the aviation baffle, in order to promote the aviation baffle motion, the decorative board covers in a face of casing towards the aviation baffle, the decorative board has first breach and dodges the second breach of air outlet, the impeller stretches out from first breach in order to be connected with the aviation baffle. According to the utility model discloses an indoor unit of air conditioner covers the decorative board that covers in casing towards a face of aviation baffle through the setting, and the dismouting and the maintenance of being convenient for, and can guarantee the structural reliability of casing. Meanwhile, the reliability of the parts installed in the casing can be improved. In addition, the air-conditioning indoor unit is attractive and good in integrity, and the refrigerating and heating effects of the air-conditioning indoor unit are good.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner technique and specifically relates to an indoor unit of air conditioner is related to.

Background

In the related art, the casing of the indoor unit of the air conditioner is provided with an air outlet and an air deflector capable of opening or closing the air outlet, when the air outlet is in an open state, a part of the casing is exposed outside, which is not favorable for long-time use of the casing and internal parts thereof, and can affect the aesthetic property of the indoor unit of the air conditioner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an indoor unit of air conditioning, the indoor unit of air conditioning good reliability and pleasing to the eye.

According to the utility model discloses machine in air conditioning, include: a housing defining an air outlet; the air deflector is used for opening or closing the air outlet; the driving assembly is arranged in the shell and is provided with a pushing piece, and the pushing piece is connected with the air deflector so as to push the air deflector to move; the decorative plate covers one surface of the casing, which faces the air deflector, and is provided with a first notch and a second notch for avoiding the air outlet, and the pushing piece extends out of the first notch of the decorative plate to be connected with the air deflector.

According to the utility model discloses machine in air conditioning, cover in through the setting the casing orientation the decorative board of a face of aviation baffle, the dismouting and the maintenance of being convenient for, and can avoid the casing to expose towards a face of aviation baffle, improved the structural reliability of casing. Meanwhile, the reliability of the parts installed in the casing can be improved. In addition, the air conditioner indoor unit can be attractive and good in integrity. In addition, the indoor unit of the air conditioner has good cooling and heating effects.

In some examples, the enclosure includes: the driving assembly is arranged at the end part of the main cover body; the side cover is arranged at the end part of the main cover body, the edge of the side cover is provided with a convex edge facing the main cover body, and the convex edge extends into the main cover body.

In some examples, the rim has a hollowed-out portion through which the pusher is disposed.

In some examples, one end of the pushing piece extending out of the first notch is provided with a shaft rod, the shaft rod is arranged on one side of the pushing piece facing the side cover, and the shaft rod extends out of the first notch; the chimb is equipped with naked hourglass portion, naked hourglass portion with the axostylus axostyle sets up relatively just naked hourglass portion protrusion in the chimb.

In some examples, the convex edge is provided with a plurality of positioning holes arranged at intervals, the positioning holes are arranged on the outer side of the exposed part, the decorative plate is provided with a plurality of positioning hooks corresponding to the positioning holes, and the positioning hooks are clamped with the positioning holes.

In some examples, one of the housing and the decorative plate is provided with a plug member, and the other is provided with a plug groove, the plug member is provided with a first matching part extending towards the plug groove, and the cross section of the first matching part is gradually reduced towards the plug groove;

the side wall of the insertion groove is provided with two second matching parts which are oppositely arranged, the two second matching parts define an opening matched with the first matching part, and the first matching part extends into the insertion groove through the opening and is clamped at the back side of the second matching part.

In some examples, the decorative panel includes a plurality of positioning flanges, the housing is provided with positioning slots, and the positioning flanges are matched with the positioning slots; the positioning flanging is provided with a plurality of protruding parts arranged at intervals, and the protruding parts are connected with the shell through fastening pieces.

In some examples, the trim panel further comprises a plurality of fitting grooves, and the plurality of fitting grooves and the plurality of positioning flanges are alternately arranged.

In some examples, the casing has an arc-shaped surface facing the decorative plate, the air outlet is formed in the arc-shaped surface, the middle of the arc-shaped surface protrudes in a direction away from the air deflector, the decorative plate is mounted on the arc-shaped surface, a side surface of the decorative plate facing the arc-shaped surface is matched with the arc-shaped surface, and the length of the decorative plate is the same as that of the casing.

In some examples, the decorative plate has a mounting flange at an edge of a side facing the housing, the mounting flange is located at an edge of the second notch, and the mounting flange is attached to the edge of the air outlet.

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a decorative plate and a casing according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A according to FIG. 2;

FIG. 4 is a schematic view of a portion of one direction of a trim panel according to an embodiment of the present invention;

fig. 5 is a partial schematic structural view of another orientation of a trim panel according to an embodiment of the present invention;

fig. 6 is a perspective view of a decorative panel according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a side cover according to an embodiment of the present invention;

fig. 8 is a schematic view of a part of the structure of the housing according to the embodiment of the present invention;

fig. 9 is an enlarged view at B of fig. 8;

fig. 10 is a partial structural schematic view of a decorative panel according to an embodiment of the present invention.

Reference numerals:

an indoor air-conditioning unit 100;

a housing 10; an air outlet 11; a main housing body 12; a side cover 13; a flange 131; a hollow 1311; a bare drain 1312; positioning holes 1313; a positioning groove 14; an insertion groove 15; a second fitting portion 151; the fitting projection 16;

an air deflector 20;

a drive assembly 30; a pusher member 31; a shaft 32;

a decorative panel 40; a first notch 41; a second notch 42; the boss portion 43; positioning the flange 45; a fitting groove 46; a mounting flange 47; a hook 471; the angled section 472; a positioning hook 48; plug-in unit 49; the first fitting portion 491.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more.

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an air conditioning indoor unit 100 and an air conditioning outdoor unit, which refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the air conditioning indoor unit 100 includes an indoor heat exchanger, and an expansion valve may be provided in the air conditioning indoor unit 100 or the air conditioning outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

An air conditioning indoor unit 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 10, and the air conditioning indoor unit 100 may be applied to an air conditioner such as a horizontal type air conditioner or a wall-mounted type indoor air conditioner. In the following description of the present application, an air conditioning indoor unit 100 will be described as an example of being applied to a horizontal type air conditioner. The indoor unit 100 of the air conditioner includes a cabinet 10, an air guide plate 20 for opening or closing the outlet port 11, a driving assembly 30, and a decorative plate 40.

The cabinet 10 serves to protect various components such as a heat exchanger, an electric control component, etc. disposed therein. The cabinet 10 defines an outlet port 11, and wind such as cool wind or warm wind may be discharged from the outlet port 11, and the air guide plate 20 may open the outlet port 11 to adjust the indoor temperature when the air conditioning indoor unit 100 operates, and close the outlet port 11 when the air conditioning indoor unit 100 stops operating.

The driving assembly 30 is disposed in the casing 10, the driving assembly 30 has a pushing member 31, and the pushing member 31 is connected to the air guiding plate 20 to push the air guiding plate 20 to move. Thus, the driving assembly 30 can drive the air deflector 20 to move so as to open or close the air outlet 11. Here, it should be noted that the connection between the pushing member 31 and the air deflector 20 may be direct contact or indirect contact.

As shown in fig. 2, the decorative plate 40 covers a surface of the casing 10 facing the air deflector 20. Like this, when aviation baffle 20 was opened, can not make casing 10 expose towards one face of aviation baffle 20, like this, can avoid casing 10 to expose and receive external environment's influence and influence its life on the one hand, casing 10 dismouting is more loaded down with trivial details, and it is inconvenient and replacement cost is high to change, and casing 10 life can be improved in the setting of decorative board 40, reduces the probability that casing 10 changed the maintenance. The decorative plate 40 has a simple structure, and is convenient to disassemble, assemble and maintain. On the other hand, in order to facilitate installation of the components in the casing 10, a surface of the casing 10 facing the air deflector 20 may be provided with holes, grooves, fasteners, and other structures for installing the components, and the decorative plate 40 may cover the holes, grooves, fasteners, and other structures, thereby ensuring structural stability, installation reliability, and installation reliability of the components in the casing 10. In addition, the installation of the decorative plate 40 can make the air-conditioning indoor unit 100 beautiful and integral.

Referring to fig. 4, the decorative plate 40 has a first notch 41 and a second notch 42 avoiding the air outlet 11, and the pushing member 31 protrudes from the first notch 41 of the decorative plate 40 to be connected with the air deflector 20. The first notch 41 can facilitate the pushing member 31 to push the air deflector 20 to move, so as to ensure the moving fluency of the air deflector 20, so as to ensure the air guiding effect, and further ensure the cooling and heating effects of the indoor unit 100 of the air conditioner. Meanwhile, due to the arrangement of the second notch 42, cold air and hot air can conveniently enter the room, the air cannot be blocked from flowing out of the indoor unit 100 of the air conditioner, and the cooling and heating effects of the indoor unit 100 of the air conditioner are guaranteed.

According to the utility model discloses indoor unit of air conditioner 100 covers the decorative board 40 in casing 10 towards one face of aviation baffle 20 through the setting, and the dismouting and the maintenance of being convenient for, and can avoid casing 10 to expose towards one face of aviation baffle 20, have improved casing 10's structural reliability. At the same time, reliability of the parts mounted in the cabinet 10 can be improved. In addition, the air conditioning indoor unit 100 can be made beautiful and integral. In addition, the indoor unit 100 of the air conditioner has a good cooling and heating effect.

In some embodiments, referring to fig. 1, the casing 10 may include a main casing 12 and a side casing 13, and the side casing 13 is disposed at an end of the main casing 12. The driving assembly 30 may be provided at an end of the main housing 12, and the side housing 13 may be provided at one side of the driving assembly 30. By arranging the side cover 13, the driving assembly 30 can be protected, and meanwhile, the driving assembly 30 and other parts can be conveniently disassembled and assembled, and the assembling efficiency is improved. The edge of the side cover 13 has a flange 131 extending towards the main cover 12, the flange 131 extends into the main cover 12, and the flange 131 is disposed on the side of the decorative plate 40 away from the air deflector 20, so as to improve the assembling reliability of the side cover 13 and the main cover 12. For example, the two side covers 13 may be disposed at the left and right ends of the main cover body 12, for example, in fig. 1, and the two driving assemblies 30 may be disposed at the left and right ends of the main cover body 12, for example, in fig. 1, respectively, so as to ensure the uniformity of the stress of the air deflector 20, and further improve the motion stability of the air deflector 20.

According to some embodiments of the present invention, in conjunction with fig. 1 and 7, the convex edge 131 may have a larger width in order to further improve the installation stability of the main cover body 12 and the side cover 13. The flange 131 may have a hollow portion 1311, and the pushing member 31 is disposed through the hollow portion 1311 to prevent the flange 131 from affecting the connection and movement of the push rod and the air guiding plate 20, so that the installation reliability of the side cover 13 and the main cover 12 is improved, and the movement stability of the air guiding plate 20 is ensured.

In some examples, as shown in fig. 3 and 7, the end of the pushing member 31 protruding out of the first notch 41 may be provided with a shaft 32, the shaft 32 is provided on the side of the pushing member 31 facing the side cover 13, and the shaft 32 protrudes out of the first notch 41. For example, the shaft 32 may be connected to the air deflector 20, the pushing member 31 may be connected to the air deflector 20 through the shaft 32, and the driving motor of the driving assembly 30 may drive the shaft 32 to rotate, and further drive the air deflector 20 to rotate. In this way, the first notch 41 can be prevented from escaping from the shaft 32, so that the shaft 32 can extend out of the first notch 41 and be connected with the air deflector 20.

Further, as shown in fig. 2 and 3, the rim 131 may be provided with a bare drain 1312, the bare drain 1312 may be provided at a position opposite to the first notch 41, and the bare drain 1312 may escape the pushing member 31 so that the pushing member 31 protrudes out of the first notch 41 without interference. Meanwhile, the exposed leakage portion 1312 may be disposed at an edge of the first notch 41 and opposite to the shaft rod 32, so as to shield a portion of the first notch 41 to a certain extent, thereby reducing an exposure degree of a component inside the casing 10, and making the structure reliability of the internal component more beautiful. Also, this arrangement does not interfere with the movement of the shaft 32. The bare drain 1312 protrudes from the convex edge 131, and the bare drain 1312 may protrude toward the decorative plate 40 to reduce a gap between the first notch 41 and the bare drain 1312, so that the exposure degree of the internal components may be further reduced.

In some embodiments, referring to fig. 7, the flange 131 may be provided with a plurality of positioning holes 1313 spaced apart from each other, the decorative plate 40 is provided with a plurality of positioning hooks 48 corresponding to the positioning holes 1313, and the positioning hooks 48 may be engaged with the positioning holes 1313. A plurality of positioning holes 1313 may be provided on the outer side of the bare drain 1312 to facilitate the mounting and dismounting of the decorative plate 40 to and from the side cover 13 without affecting the movement of the pusher 31 and the shaft 32. The reliability of the assembly of the decorative plate 40 and the side cover 13 can be improved by the positioning hooks 48 and the positioning holes 1313. In the description of the present invention, "a plurality" means two or more.

In some embodiments, one of the housing 10 and the decorative panel 40 is provided with a plug 49 and the other is provided with a plug slot 15. For example, as shown in fig. 5, 8 and 9, the decorative plate 40 is provided with a plurality of plug-in units 49 extending in the longitudinal direction of the decorative plate 40, and the housing 10 is provided with a plurality of plug-in units 15 provided corresponding to the plurality of plug-in units 49. The plug connector 49 may be disposed on a side of the decorative plate 40 facing the casing 10, so as to facilitate installation, and to make the structure of the decorative plate 40 facing the air guiding plate 20 simple and more beautiful.

According to some embodiments of the present invention, as shown in fig. 8 to 10, plug 49 has first mating portion 491 extending toward insertion slot 15, first mating portion 491 decreasing in cross-section in a direction toward insertion slot 15. The sidewall of the insertion slot 15 has two second fitting portions 151 oppositely disposed, and the two second fitting portions 151 define an opening adapted to the first fitting portion 491. The first mating portion 491 extends into the insertion slot 15 through the open opening and is clamped at the back side of the second mating portion 151. Thus, the first fitting portion 491 thus provided can function as a guide. Meanwhile, the decorative plate 40 may be stably mounted on the cabinet 10 by the engagement of the plurality of first engaging portions 491 and the plurality of second engaging portions 151.

In some embodiments, as shown in fig. 4-6 and 10, the decorative plate 40 may include a plurality of positioning flanges 45, the housing 10 is provided with the positioning slot 14, and the positioning flanges 45 are fitted into the positioning slot 14. Thus, the contact area between the decorative plate 40 and the casing 10 can be increased, so that the decorative plate 40 and the casing 10 can be fixed stably and reliably. The positioning flange 45 may be provided with a plurality of spaced protrusions 43, and the protrusions 43 are connected to the housing 10 by fasteners. So, through the setting of bellying 43, can avoid the fastener directly to wear to locate the plate body of decorative board 40, guaranteed decorative board 40's structural strength, guaranteed the reliability of assembly simultaneously. In addition, the positioning can be facilitated, and the assembling and disassembling efficiency is improved. For example, the lengths of the plurality of positioning flanges 45 provided with the protrusions 43 are different to further facilitate the improvement of the positioning efficiency.

In some examples, in conjunction with fig. 4, 5, and 10, the trim panel 40 may further include a plurality of mating slots 46, the plurality of mating slots 46 alternating with the plurality of positioning flanges 45. For example, as shown in fig. 8, the housing 10 has a plurality of assembling protrusions 16 arranged at intervals, a plurality of positioning flanges 45 can be attached to the edges of the assembling protrusions 16, and the fitting groove 46 can be free from the assembling protrusions 16 and attached to the assembling protrusions 16. Thus, the contact area between the cabinet 10 and the decorative plate 40 can be increased, and the installation can be facilitated.

In some embodiments, as shown in fig. 2, the casing 10 may have an arc-shaped surface facing the decorative plate 40, and a side surface of the decorative plate 40 facing the arc-shaped surface is adapted to the arc-shaped surface to reduce a gap after the decorative plate 40 is installed on the casing 10, so that cold air or hot air can flow into the room conveniently, and the effectiveness of air outlet can be ensured. For example, combine fig. 6, decorative board 40 can be the arc, and decorative board 40 is the arcwall face towards one of aviation baffle 20 and a face towards casing 10, so, and is more pleasing to the eye, and air outlet 11 locates the arcwall face, and the middle part orientation of arcwall face deviates from the direction protrusion of aviation baffle 20, and decorative board 40 installs in the arcwall face, and the arcwall face that sets up like this and decorative board 40's smoothness nature is good, and can be convenient for the air-out. The length of the decorative plate 40 may be the same as that of the cabinet 10, which is more advantageous for improving the aesthetic appearance and integrity of the indoor unit 100. For example, the side of the decorative plate 40 facing the air guide plate 20 is a smooth surface to ensure the aesthetic appearance of the air conditioning indoor unit 100.

As shown in fig. 8, the edge of one side of the decorative plate 40 facing the casing 10 has an installation convex edge 47, the installation convex edge 47 is located at the edge of the second notch 42, and the installation convex edge 47 is attached to the edge of the air outlet 11, so that the air can be effectively prevented from flowing out from the gap between the decorative plate 40 and the casing 10, and the air outlet efficiency and the air outlet effect of the indoor unit 100 of the air conditioner can be further ensured. At the same time, the reliability of the connection of the decorative plate 40 and the cabinet 10 can be further improved. For example, the mounting flange 47 may be disposed around the second notch 42, and the mounting flange 47 may have an inclined section 472 inclined toward the air inlet to increase the contact area between the mounting flange 47 and the edge of the air outlet 11, and at the same time, to perform the function of guiding the air. The edge of the air outlet 11 may also be provided with a mounting flange 47 to further improve the air guiding effect. In the example of fig. 8, the mounting flange 47 may be provided with a plurality of hooks 471, and the hooks 471 may be fitted in a receiving groove (not shown) of the casing 10 to improve mounting reliability. Thus, the installation reliability can be effectively ensured through various installation coordination of the decorative plate 40 and the machine shell 10.

Other components of the air conditioning indoor unit 100 according to the embodiment of the present invention, such as the heat exchanger, the electric control part, and the operation thereof, are known to those skilled in the art and will not be described in detail herein.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

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

Claims (10)

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

a housing defining an air outlet;

the air deflector is used for opening or closing the air outlet;

the driving assembly is arranged in the shell and is provided with a pushing piece, and the pushing piece is connected with the air deflector so as to push the air deflector to move;

the decorative plate covers one surface of the casing, which faces the air deflector, and is provided with a first notch and a second notch for avoiding the air outlet, and the pushing piece extends out of the first notch to be connected with the air deflector.

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

the driving assembly is arranged at the end part of the main cover body;

the side cover is arranged at the end part of the main cover body, the edge of the side cover is provided with a convex edge facing the main cover body, and the convex edge extends into the main cover body.

3. An indoor unit of an air conditioner according to claim 2, wherein the flange has a hollowed portion, and the urging member is inserted into the hollowed portion.

4. An indoor unit of an air conditioner according to claim 2, wherein an end of the pushing member protruding out of the first notch is provided with a shaft, the shaft is provided on a side of the pushing member facing the side cover, and the shaft protrudes out of the first notch;

the chimb is equipped with naked hourglass portion, naked hourglass portion with the axostylus axostyle sets up relatively just naked hourglass portion protrusion in the chimb.

5. An indoor unit of an air conditioner as claimed in claim 4, wherein the flange has a plurality of positioning holes spaced apart from each other, the positioning holes are formed on the outer side of the exposed part, and the decorative plate has a plurality of positioning hooks corresponding to the positioning holes, and the positioning hooks are engaged with the positioning holes.

6. An indoor unit of an air conditioner according to claim 1, wherein one of the casing and the decorative plate is provided with a plug member, and the other is provided with a socket member, the plug member having a first engagement portion extending toward the socket member, the first engagement portion being gradually reduced in cross section in a direction toward the socket member;

the side wall of the insertion groove is provided with two second matching parts which are oppositely arranged, the two second matching parts define an opening matched with the first matching part, and the first matching part extends into the insertion groove through the opening and is clamped at the back side of the second matching part.

7. An indoor unit of an air conditioner according to claim 1, wherein the decorative plate includes a plurality of positioning flanges, the casing is provided with positioning grooves, and the positioning flanges are fitted to the positioning grooves;

the positioning flanging is provided with a plurality of protruding parts arranged at intervals, and the protruding parts are connected with the shell through fastening pieces.

8. An indoor unit of an air conditioner according to claim 7, wherein the decorative plate further includes a plurality of fitting grooves, and the plurality of fitting grooves and the plurality of positioning beads are alternately arranged.

9. An indoor unit of an air conditioner according to claim 1, wherein the casing has an arc-shaped surface facing the decorative plate, the air outlet is formed in the arc-shaped surface, the middle of the arc-shaped surface protrudes in a direction away from the air deflector, the decorative plate is mounted on the arc-shaped surface, a side surface of the decorative plate facing the arc-shaped surface is matched with the arc-shaped surface, and the length of the decorative plate is the same as that of the casing.

10. An indoor unit of an air conditioner according to claim 1, wherein an edge of one side of the decorative plate facing the casing is provided with a mounting flange, the mounting flange is located at an edge of the second notch, and the mounting flange is attached to an edge of the air outlet.

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