CN213514115U

CN213514115U - Air conditioner indoor unit and air conditioner

Info

Publication number: CN213514115U
Application number: CN202022482222.5U
Authority: CN
Inventors: 张爱川; 毛先友; 闫长林; 白建雄; 陆游; 李成; 周何杰
Original assignee: GD Midea Air Conditioning Equipment Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-22
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses an air-conditioning indoor unit and an air conditioner, wherein, the air-conditioning indoor unit comprises a shell and a door opening and closing component, the shell comprises a front shell, and the front shell is provided with an air outlet; the door opening and closing component comprises an opening and closing door and a driving structure connected with the opening and closing door, and the driving structure is arranged on the front shell and can drive the opening and closing door to open or close the air outlet. The air conditioner indoor unit has high production efficiency and low production cost.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The utility model relates to an air conditioning technology field, in particular to machine and air conditioner in air conditioning.

Background

In the related art, the indoor unit of the air conditioner comprises a front shell assembly and a switch door assembly, wherein the front shell assembly comprises a front shell and an inner plate, the inner plate is arranged on the inner side of the front shell, and the switch door assembly is arranged on the inner plate, so that the indoor unit of the air conditioner is low in production efficiency and high in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an air conditioning indoor unit with higher production efficiency and have lower manufacturing cost.

In order to achieve the above object, the utility model provides an indoor unit of air conditioner, include:

a housing comprising a front shell having an air outlet; and

the switch door assembly comprises a switch door and a driving structure connected with the switch door, and the driving structure is arranged on the front shell and can drive the switch door to be opened or closed to the air outlet.

In one embodiment, the front shell comprises a shell plate and a mounting plate, the mounting plate is integrally formed on the inner side of the shell plate, and the driving structure is arranged on the mounting plate.

In one embodiment, the driving structure includes a driving box and a driving member, the driving box is disposed on the inner side of the front shell, and the driving member is disposed on the driving box and connected to the switch door.

In an embodiment, the driving box includes a box body and a box cover disposed on the box body, wherein the box body or the box cover is integrally formed with the front shell.

In one embodiment, the number of the driving boxes is two, and the two driving boxes are respectively located at two ends of the air outlet in the length direction;

two the drive box is first drive box and second drive box respectively, first drive box includes first box body and locates first lid on the first box body, the second drive box includes the second box body and locates second lid on the second box body on the length direction of air outlet, first box body with the second lid is located first lid with between the second box body, wherein, first box body reaches the second lid all with preceding shell integrated into one piece.

In an embodiment, the driving structure further includes a sliding structure, the driving box has one of a guide rail and a guide groove, the sliding structure has the other of the guide rail and the guide groove, the sliding structure and the driving box are slidably connected with the guide groove through the guide rail, and the sliding structure connects the switch door and the driving member.

In one embodiment, the guide rail has a first guide surface and a second guide surface opposite to the first guide surface, the inner wall of the guide groove has a first groove surface and a second groove surface opposite to the first groove surface, and the first guide surface, the second guide surface, the first groove surface and the second groove surface all extend along the sliding direction of the sliding structure;

the first guide surface and the first groove surface are arranged correspondingly, and at least one of the first guide surface and the first groove surface is a concave-convex surface;

the second guide surface and the second groove surface are correspondingly arranged, and at least one of the second guide surface and the second groove surface is a concave-convex surface.

In an embodiment, a plurality of sliding-fit columns are disposed on the guide rail, the sliding-fit columns are arranged at intervals along the sliding direction of the sliding structure, and two opposite sides of each sliding-fit column respectively protrude out of the first guide surface and the second guide surface, so that the first guide surface and the second guide surface are both the concave-convex surface.

In one embodiment, the driving member includes a gear, a rack, and a motor, the gear is disposed in the driving box, the rack is disposed on the sliding structure and engaged with the gear, and an output shaft of the motor extends into the driving box and is connected to the gear.

In an embodiment, the driving box includes a box body and a box cover disposed on the box body, the guide rail is disposed on the box body or the box cover, the guide groove is disposed on the sliding structure, the rack includes an engaging surface engaged with the gear and a groove surface opposite to the engaging surface, and an inner wall of the guide groove includes the groove surface.

the two driving boxes are respectively a first driving box and a second driving box, the first driving box comprises a first box body and a first box cover arranged on the first box body, the second driving box comprises a second box body and a second box cover arranged on the second box body, and the first box body and the second box cover are positioned between the first box cover and the second box body in the length direction of the air outlet;

wherein, the first box body and the second box body are provided with the guide rails.

In one embodiment, the indoor unit of the air conditioner further comprises a heat exchanger assembly, an air duct assembly and an air guide assembly, wherein the heat exchanger assembly, the air duct assembly and the air guide assembly are arranged in the shell, the air duct assembly is located between the air outlet and the heat exchanger assembly, and the air guide assembly is arranged on the air duct assembly and located between the air outlet and the air duct assembly.

In one embodiment, the inner side of the front shell is exposed towards the air guide assembly.

In an embodiment, the casing further includes a rear casing connected to the front casing, the rear casing and the front casing together define a hollow cavity of the casing, the heat exchanger assembly, the air duct assembly and the air guide assembly are all located in the hollow cavity, and the heat exchanger assembly and the air duct assembly are all located on the rear casing.

The utility model also provides an air conditioner, machine in above-mentioned air conditioning.

In the above air-conditioning indoor unit, the door opening and closing assembly includes a door opening and closing and a driving structure connected to the door opening and closing. The driving structure is arranged on the front shell and can drive the switch door to open or close the air outlet. Also, the switch door assembly is arranged on the front shell, so that an inner plate of the front shell assembly can be omitted, the production efficiency of the indoor unit of the air conditioner can be improved, and the production cost of the indoor unit of the air conditioner can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a front casing of the indoor unit of the air conditioner shown in fig. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic perspective view of a front casing and a switching door assembly of the indoor unit of the air conditioner shown in fig. 1;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

fig. 7 is a partial enlarged view of fig. 5 at D.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Indoor unit of air conditioner	100	Shell body
200	Heat exchanger assembly	300	Air duct assembly
				400	Air guide assembly	500	Switch door assembly
102	Hollow cavity	104	Air outlet
				106	Air inlet	110	Front shell
120	Rear shell	130	Chassis
				140	Top cover	502	Door capable of being opened and closed
504	Driving structure	112	Shell plate
				114	Mounting plate	510	Drive box
520	Driving member	512	Box body
				514	Box cover	510a	First driving box
510b	Second driving box	512a	First box body
				514a	First box cover	512b	Second box body
514b	Second box cover	114a	Screw post
				114b	Positioning column		114c	Dodging groove
530	Sliding structure	5122	Guide rail
				532	Guide groove	5122a	First guide surface
5122b	Second guide surface	532a	First groove surface
				532b	Second groove surface	5122c	Sliding fit column
530a	Slide groove part	530b	Connecting part
				522	Gear wheel	524	Rack bar
526	Electric machine	114d	Shaft sleeve
				524a	Engaging surface

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an indoor unit of air conditioner.

In the embodiment of the present invention, as shown in fig. 1, the indoor unit 10 of the air conditioner includes a casing 100, a heat exchanger assembly 200, an air duct assembly 300, an air guide assembly 400, and a door opening and closing assembly 500.

The housing 100 has a hollow cavity 102. The housing 100 is provided with an air outlet 104 and an air inlet 106 which are communicated with the hollow cavity 102. The heat exchanger assembly 200, the air duct assembly 300 and the air guide assembly 400 are all disposed in the hollow cavity 102. The air duct assembly 300 is disposed corresponding to the heat exchanger assembly 200 and located between the air outlet 104 and the heat exchanger assembly 200. The air guiding assembly 400 is disposed corresponding to the air duct assembly 300 and located between the air outlet 104 and the air duct assembly 300. The door opening and closing assembly 500 is disposed on the housing 100 and is used for opening or closing the air outlet 104. When the indoor unit 10 of the air conditioner heats or cools, the air duct assembly 300 introduces indoor air into the hollow cavity 102 through the air inlet 106, and the air exchanges heat with the heat exchanger assembly 200 and is discharged to the indoor through the air outlet 104 by the air duct assembly 300, so as to adjust the indoor temperature.

In this embodiment, the housing 100 includes a front shell 110 and a rear shell 120, the front shell 110 and the rear shell 120 enclose a hollow cavity 102, the air outlet 104 is located on the front shell 110, and the air inlet 106 is located on the rear shell 120. Specifically, in the present embodiment, the front case 110 is detachably coupled to the rear case 120. Thus, the housing 100 is very easily disassembled.

In this embodiment, the casing 100 further includes a bottom plate 130 and a top cover 140, and the bottom plate 130 and the top cover 140 are respectively located at two ends of the casing 100 in the length direction of the air outlet 104. The bottom chassis 130 is connected to the same ends of the front case 110 and the rear case 120, and the top cover 140 is connected to the other ends of the front case 110 and the rear case 120.

In the related art, the front shell assembly comprises a front shell and an inner plate, the inner plate is arranged on the inner side of the front shell, and the air guide assembly and the switch door assembly are arranged on the inner plate of the front shell assembly, so that the production efficiency of the indoor unit of the air conditioner is low, and the production cost is high. In the present embodiment, the air guide assembly 400 is disposed on the air duct assembly 300, so that the inner plate of the front shell assembly can be simplified or even omitted, and further, the production efficiency of the indoor air conditioner 10 can be improved, and the production cost of the indoor air conditioner 10 can be reduced.

Specifically, in the present embodiment, the inner side of the front case 110 is exposed toward the air guide assembly 400. That is, in the present embodiment, there is no other element such as an inner plate between the air guide assembly 400 and the inner side of the front case 110.

In the present embodiment, the heat exchanger assembly 200 and the air duct assembly 300 are both disposed on the rear housing 120. The heat exchanger assembly 200 may be directly disposed on the rear casing 120, and the air duct assembly 300 may be directly disposed on the rear casing 120 or indirectly disposed on the rear casing 120. When the heat exchanger assembly 200 is directly mounted on the rear case 120 and the air duct assembly 300 is mounted on the heat exchanger assembly 200, the air duct assembly 300 may be considered to be indirectly mounted on the rear case 120.

In this embodiment, the air duct assembly 300 includes an inertial wind wheel.

In the present embodiment, the switch door assembly 500 includes a switch door 502 and a driving structure 504 connected to the switch door 504. The driving structure 504 is disposed on the front casing 110 and can drive the switch door 502 to open or close the outlet 104. That is, the switching door assembly 500 is disposed on the front casing 110, so that an inner plate of the front casing assembly can be omitted, and thus, the production efficiency of the indoor unit 10 of the air conditioner can be improved, and the production cost of the indoor unit 10 of the air conditioner can be reduced.

In the related art, the structure of the inner plate is limited, and when the inner plate is manufactured by injection molding, the inner plate cannot be removed from the mold, and thus, a mounting structure for mounting the driving structure cannot be formed on the inner plate. In the present embodiment, as shown in fig. 2-7, the front housing 110 includes a housing plate 112 and a mounting plate 114. Mounting plate 114 is integrally formed on the inside of shell plate 112. The mounting plate 114 may serve as a mounting structure for mounting the drive structure 504, in which case the drive structure 504 may be provided on the mounting plate 114. The mounting plate 114 is integrally formed on the inner side of the casing plate 112, which is very convenient for mounting the driving structure 504 on the front casing 110, and also very convenient for manufacturing the front casing 110, so that the production efficiency of the indoor unit 10 of the air conditioner can be further improved, and the production cost of the indoor unit 10 of the air conditioner can be further reduced. It is understood that in other embodiments, the mounting plate 114 and the shell plate 112 may be formed separately and then secured together by bonding, fastening, or screwing.

In the present embodiment, the driving structure 504 includes a driving box 510 and a driving member 520. The drive cartridge 510 is provided on the inner side of the front case 110. The driving member 520 is disposed on the driving box 510 and connected to the opening/closing door 502. As such, it is very convenient for the drive structure 504 to be mounted on the inside of the front shell 110.

Specifically, in the present embodiment, the driving box 510 includes a box body 512 and a box cover 514 disposed on the box body 512. The case body 512 or the case cover 514 is integrally formed with the front case 110 (the case plate 112). Thus, when the box body 512 is integrally formed with the front shell 110, the box body 512 is the mounting plate 114; when the cover 514 is integrally formed with the front housing 110, the cover 514 is the mounting plate 114. Compared with the case that a complete driving box is arranged on the mounting plate 114, the driving box 510 for mounting the driving structure 520 is formed by using the mounting plate 114, so that the material of the driving box 510 can be saved, and the assembly efficiency can be improved, thereby further improving the production efficiency of the indoor unit 10 of the air conditioner and reducing the production cost of the indoor unit 10 of the air conditioner.

In this embodiment, the case body 512 is detachably connected to the case cover 514. Thus, the assembly and disassembly are very convenient. In this embodiment, the box body 512 is screwed to the box cover 514 to form the driving box 510.

In this embodiment, two driving cartridges 510 and two driving members 520 are provided, and the two driving cartridges 510 are respectively located at two ends of the air outlet 104 in the length direction. The driving members 520 are respectively disposed on the two driving boxes 510 and respectively connected to two ends of the switch door 502. The two driving boxes 510 and the two driving members 520 are provided to facilitate the stable and accurate driving of the driving structure 504 to move the switch door 502. It is understood that in other embodiments, the driving box 510 and the driving member 520 may be one or three or more.

In the present embodiment, the two driving cartridges 510 are a first driving cartridge 510a and a second driving cartridge 510b, respectively. The first driving box 510a includes a first box 512a and a first box cover 514a disposed on the first box 512 a. The second driving box 510b includes a second box 512b and a second box cover 514b disposed on the second box 512 b. In the length direction of the air outlet 104, the first box 512a and the second box 514b are located between the first box 514a and the second box 512 b. The first case 512a and the second case 514b are integrally formed with the front housing 110. Thus, the integrated molding is very convenient, and the first driving box 510a and the second driving box 510b are very convenient to disassemble and assemble.

In this embodiment, the two mounting plates 114 are provided with screw posts 114a, that is, the first box 512a and the second box 514b are provided with screw posts 114 a. The screw post 114a has a screw hole. The first box cover 514a and the second box body 512b are provided with connecting holes at positions corresponding to the screw holes. The screw inserted into the connection hole is screwed with the screw hole of the screw column 512a, so that the first box body 512a is connected with the first box cover 514a, and the second box body 512b is connected with the second box cover 514 b.

In this embodiment, the two mounting plates 114 are further provided with positioning pillars 114b, that is, the first box 512a and the second box 514b are further provided with positioning pillars 114 b. The first cover 514a and the second cover 512b have positioning holes at positions corresponding to the positioning posts 114 b. The positioning post 114b is inserted into the positioning hole. Therefore, the first box body 512a and the first cover 514a can be positioned and assembled, and the second box body 512b and the second cover 514b can be positioned and assembled.

In this embodiment, the driving structure 504 further comprises a sliding structure 530. The driving case 510 has one of a guide rail and a guide groove, and the sliding structure 530 has the other of the guide rail and the guide groove. The sliding structure 530 and the driving box 510 are slidably connected with the guide groove through the guide rail. The sliding structure 530 connects the switch door 502 and the driving structure 504. Thus, the driving structure 504 indirectly drives the switch door 502 through the sliding structure 530, and the cooperation of the guide rail and the guide groove can make the movement of the switch door 502 more stable and accurate. It is understood that in other embodiments, the sliding structure 530 may be omitted, and the driving structure 504 may directly drive the switch door 502.

Specifically, in the present embodiment, the drive cartridge 510 has a guide rail 5122, and the slide structure 530 has a guide groove 532. It is understood that in other embodiments, the sliding structure 530 may have the guide rail 5122 and the drive cartridge 510 may have the guide groove 532.

In this embodiment, the first box 512a and the second box 512b have a guide rail 5122. In this manner, the guide rail 5122 is more conveniently provided.

In this embodiment, the guide rail 5122 has a first guide surface 5122a and a second guide surface 5122b opposite to the first guide surface 5122 a. The inner wall of the guide groove 532 has a first groove surface 532a and a second groove surface 532b opposite to the first groove surface 532 a. The first guide surface 5122a, the second guide surface 5122b, the first groove surface 532a and the second groove surface 532b all extend along the sliding direction of the sliding structure 530. The first guide surface 5122a and the first groove surface 532a are disposed correspondingly, and at least one of the first guide surface 5122a and the first groove surface 532a is a concave-convex surface. The second guide surface 5122b is disposed corresponding to the second groove surface 532b, and at least one of the second guide surface 5122b and the second groove surface 532b is a concave-convex surface. By providing the concave-convex surface, the friction between the guide rail 5122 and the guide groove 532 can be reduced, thereby facilitating the driving structure 504 to indirectly drive the switch door 502 through the sliding structure 530.

Specifically, in this embodiment, the guide rail 5122 is provided with a plurality of sliding-fit columns 5122c, the plurality of sliding-fit columns 5122c are arranged at intervals along the sliding direction of the sliding structure 530, and two opposite sides of each sliding-fit column 5122c respectively protrude out of the first guide surface 5122a and the second guide surface 5122c, so that the first guide surface 5122a and the second guide surface 5122b are both concave-convex surfaces, thereby respectively increasing the friction force between the first guide surface 5122a and the guide groove 532 and between the second guide surface 5122c and the guide groove 532. That is, in the present embodiment, both the first guide surface 5122a and the second guide surface 5122c are concave-convex surfaces.

In the present embodiment, the sliding structure 530 includes a sliding groove portion 530a and a connecting portion 530b connected to the sliding groove portion 530 a. The guide groove 532 is positioned on the slide groove portion 530 a. The slide groove portion 530a is connected with the driving structure 504. The connection portion 530b is connected to the opening/closing door 502. The mounting plate 114 is provided with an escape groove 114 c. The connection portion 530b is inserted into the avoiding groove 114 c.

In this embodiment, the driving member 520 includes a gear 522, a rack 524, and a motor 526. A gear 526 is provided on the inside of the drive case 510. The rack 524 is disposed on the sliding structure 530 and is engaged with the gear 522. An output shaft of the motor 526 extends into the drive box 510 and is connected to the gear 522. The gear 522 cooperates with the rack 524 to facilitate actuation of the drive structure 504 to open and close the door 502. It is understood that in other embodiments, the opening and closing door 502 may be actuated by a telescoping member.

In this embodiment, the two mounting plates 114 are further provided with a shaft sleeve 114d, that is, the first box 512a and the second box 514b are further provided with shaft sleeves 114 d. A gear 522 is provided on the sleeve 114 d.

In the present embodiment, the rack 524 includes an engaging surface 524a engaging with the gear 522 and a second groove surface 532b opposite to the engaging surface 524a, and the inner wall of the guide groove 532 includes the second groove surface 532 b. That is, in this embodiment, the rack 524 is used to enclose the channel 532, so that material may be omitted. It is understood that in other embodiments, the rack 524 may not be used to enclose the channel 532, i.e., the rack 524 may be independent of the channel 532.

In the present embodiment, the air-conditioning indoor unit 10 is a floor-type air-conditioning indoor unit, and after the inner panel is omitted, the material cost can be saved by about 24 yuan, and the step of assembling the inner panel can be omitted, thereby improving the assembly efficiency of the air-conditioning indoor unit 10.

The utility model also provides an air conditioner, this air conditioner include machine 10 in the above-mentioned air conditioning to and air condensing units, air condensing units and above-mentioned air conditioning machine 10 pass through the refrigerant union coupling.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

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

a housing comprising a front shell having an air outlet; and

2. An indoor unit of an air conditioner according to claim 1, wherein the front casing includes a casing plate and a mounting plate integrally formed on an inner side of the casing plate, the driving structure being provided on the mounting plate.

3. An indoor unit of an air conditioner as claimed in claim 1, wherein the driving structure includes a driving case provided on an inner side of the front casing, and a driving member provided on the driving case and connected to the opening and closing door.

4. An indoor unit of an air conditioner according to claim 3, wherein the driving case includes a case body and a case cover provided on the case body, wherein the case body or the case cover is integrally formed with the front casing.

5. The indoor unit of claim 4, wherein the number of the driving cases is two, and the two driving cases are respectively located at both ends of the length direction of the air outlet;

6. The indoor unit of claim 3, wherein the driving structure further comprises a sliding structure, the driving case has one of a guide rail and a guide groove, the sliding structure has the other of the guide rail and the guide groove, the sliding structure and the driving case are slidably connected with the guide groove through the guide rail, and the sliding structure connects the switching door and the driving member.

7. The indoor unit of claim 6, wherein the guide rail has a first guide surface and a second guide surface opposite to the first guide surface, the inner wall of the guide groove has a first groove surface and a second groove surface opposite to the first groove surface, and the first guide surface, the second guide surface, the first groove surface, and the second groove surface extend in a sliding direction of the sliding structure;

8. The indoor unit of claim 7, wherein a plurality of sliding engagement posts are disposed on the guide rail, the sliding engagement posts are spaced apart along a sliding direction of the sliding structure, and opposite sides of each sliding engagement post respectively protrude out of the first guide surface and the second guide surface, so that the first guide surface and the second guide surface are both concave-convex surfaces.

9. The indoor unit of claim 6, wherein the driving member includes a gear, a rack and a motor, the gear is disposed in the driving box, the rack is disposed on the sliding structure and engaged with the gear, and an output shaft of the motor extends into the driving box and is connected to the gear.

10. The indoor unit of an air conditioner according to claim 9, wherein the driving case includes a case body and a case cover provided on the case body, the guide rail is provided on the case body or the case cover, the guide groove is provided on the sliding structure, the rack includes an engagement surface engaged with the gear and a groove surface opposite to the engagement surface, and an inner wall of the guide groove includes the groove surface.

11. The indoor unit of claim 10, wherein the number of the driving cases is two, and the two driving cases are respectively located at both ends of the length direction of the outlet;

12. The indoor unit of an air conditioner according to any one of claims 1 to 11, further comprising a heat exchanger assembly, an air duct assembly and an air guide assembly disposed in the casing, wherein the air duct assembly is disposed between the air outlet and the heat exchanger assembly, and the air guide assembly is disposed on the air duct assembly and between the air outlet and the air duct assembly.

13. The indoor unit of claim 12, wherein an inner side of the front case is exposed toward the air guide assembly.

14. The indoor unit of claim 12, wherein the casing further comprises a rear casing connected to the front casing, the rear casing and the front casing together define a hollow cavity of the casing, the heat exchanger assembly, the air duct assembly and the air guide assembly are located in the hollow cavity, and the heat exchanger assembly and the air duct assembly are located on the rear casing.

15. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 14.