CN215723691U - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The utility model relates to an air conditioning technology field provides a machine and air conditioner in air conditioning, machine includes shell, heat exchanger, wind wheel, filter screen and filter screen apron in the air conditioning, heat exchanger and wind wheel all are located the shell, the shell be formed with the air intake and with the air outlet of air intake intercommunication, the shell is provided with in one side of air intake and gets and put the mouth, the filter screen can get through getting the mouth and put, the filter screen apron can cover to close and get and put the mouth and with the shell joint. The application provides an air conditioning indoor unit, filter screen apron lid closes gets and puts the mouth, like this, has both avoided getting to put the mouth and exposes, improves the aesthetic feeling, can avoid the filter screen to follow again and get to put the mouth and deviate from. Filter screen apron and shell joint, so, be favorable to quick, convenient dismouting filter screen apron, improve work efficiency.

Description

Air conditioner indoor unit and air conditioner

Technical Field

The application relates to the technical field of air conditioning, in particular to an air conditioner indoor unit and an air conditioner.

Background

The existing air conditioner is provided with a filter screen at an air inlet, and the filter screen is used for filtering airflow entering the air conditioner. In order to replace the filter screen conveniently, a taking and placing opening for taking and placing the filter screen is formed in the shell of the air conditioner, and the filter screen is taken and placed through the taking and placing opening. The filter screen cover plate is used for covering the taking and placing opening.

SUMMERY OF THE UTILITY MODEL

In view of this, this application embodiment expects to provide an air conditioning indoor set, and filter screen cover plate can convenient dismantlement.

In order to reach above-mentioned purpose, an aspect of this application embodiment provides an indoor set of air conditioning, the indoor set of air conditioning includes shell, heat exchanger, wind wheel, filter screen and filter screen apron, the heat exchanger with the wind wheel all is located in the shell, the shell be formed with the air intake and with the air outlet of air intake intercommunication, the shell is in one side of air intake is provided with gets and puts the mouth, the filter screen can warp get and put the mouth and get and put, the filter screen apron can cover and close get put the mouth and with the shell joint.

In some embodiments, the indoor unit of an air conditioner further includes a buckle, where the buckle includes an open slot and a convex hull, one of the convex hull and the open slot is disposed on the casing, and the other of the convex hull and the open slot is disposed on the filter screen cover plate, and an opening of the open slot can be restorably opened by the convex hull, so that the convex hull is clamped into or separated from the open slot.

In some embodiments, the fastener further includes a connecting portion, the open slot and the convex hull are respectively provided with the connecting portion, one of the open slot and the convex hull is connected with the housing through the connecting portion, the other of the open slot and the convex hull is connected with the cover plate through the connecting portion, the housing and the filter screen cover plate are both formed with mounting holes, and the connecting portion can be inserted into the mounting holes in a recoverable deformation manner.

In some embodiments, the connecting portion comprises:

the open slot and the convex hull are respectively provided with the cylinder; and

the latch is arranged on the peripheral surface of the column body and can penetrate through the mounting hole in a restorable deformation mode, so that the column body penetrates through the mounting hole.

In some embodiments, an end surface of the latch, which is away from the open slot or the convex hull, is a guide surface, and the latch can pass through the mounting hole in a restorable and deformable manner under the guidance of the guide surface.

In some embodiments, the number of the latch is plural, and the plurality of the latches are arranged at intervals along the axial direction of the cylinder.

In some embodiments, the latch is an annular structure surrounding the outer circumferential surface of the cylinder.

In some embodiments, a portion of the outer circumferential surface of the connecting portion is recessed to form a recessed portion, and a portion of the connecting portion away from the open groove or the convex hull is resiliently deformable to pass through the mounting hole, so that the recessed portion is pierced in the mounting hole.

In some embodiments, a portion of the connecting portion distal from the open slot or the convex hull is formed with a notch.

In some embodiments, the convex hull is spherical and the opening of the open slot is circular, the diameter of the opening of the open slot being smaller than the diameter of the convex hull.

In some embodiments, the housing includes a casing, a first rib, and a second rib, the casing is formed with the air inlet, the air outlet, and the access opening, the heat exchanger and the wind wheel are both positioned in the shell, the first flange and the second flange are respectively arranged at two sides of the width direction of the taking and placing opening, the first rib extends from the shell to the inside of the shell, the second rib extends from the shell along the width direction of the taking and placing opening, the filter screen cover plate comprises a plate body, a first flanging and a second flanging, the plate body can cover the taking and placing opening, the first flanging and the second flanging are arranged on two sides of the plate body in the width direction, the plate body covers the taking and placing opening, the first flanging is abutted to the first flange, and the second flanging is abutted to the second flange.

In some embodiments, the filter screen cover plate includes a folded edge, the folded edge is disposed on a side of the second folded edge away from the plate body, and the folded edge is located on an inner side of the second folded edge in a state where the plate body covers the access opening.

In some embodiments, the housing includes two third flanges, the two third flanges are respectively disposed on two sides of the access opening in the length direction, and when the plate body covers the access opening, a portion of the second flange can abut against the third flanges.

In some embodiments, the shell includes fourth shelves limit, fourth shelves limit is followed first shelves border the width direction who gets and put the mouth extends, the mounting hole form in fourth shelves limit, the filter screen apron includes the mounting piece, the mounting piece is followed first turn-ups is followed the width direction of plate body extends, the open slot with one of the convex closure set up in on the mounting piece, the open slot with another one of the convex closure set up in on the fourth shelves limit.

Another aspect of the embodiments of the present application provides an air conditioner, including any one of the air conditioning indoor units described above.

The air conditioning indoor unit that this application embodiment provided, filter screen apron lid closes gets and puts the mouth, like this, has both avoided getting to put the mouth and exposes, improves the aesthetic feeling, can avoid the filter screen to follow to get to put the mouth again and deviate from. Filter screen apron and shell joint, so, be favorable to quick, convenient dismouting filter screen apron, improve work efficiency, cost of labor and material cost are lower relatively.

Drawings

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

FIG. 2 is a schematic diagram of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present application;

FIG. 4 is an enlarged view of FIG. 3 at D;

FIG. 5 is a schematic structural diagram of a filter cover plate according to an embodiment of the present disclosure;

FIG. 6 is a partial cross-sectional view of the structure shown in FIG. 1;

FIG. 7 is an enlarged view taken at A in FIG. 1;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is a schematic structural view of a buckle according to an embodiment of the present application, in which an opening groove and a convex hull are separated;

FIG. 11 is a schematic structural view of a buckle according to another embodiment of the present application, wherein the opening groove and the convex hull are separated;

fig. 12 is a schematic view of the snap-fit assembly of fig. 11 to the housing.

Description of the reference numerals

A housing 10; an air outlet 10 a; a pick-and-place port 10 b; mounting holes 10 c; a housing 11; a first rib 12; a second rib 13; a third rib 14; a fourth rib 15; a screen cover plate 20; a plate body 21; a first flange 22; a second flange 23; a folded edge 24; a mounting piece 25; side plates 26; a hand-gripping protrusion 26 a; a buckle 30; an open groove 31; the opening 31 a; a convex hull 32; a connecting portion 33; a column 331; a latch 332; end surfaces 332 a; a recessed portion 333; notches 33 a.

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

The orientation or position relation in the description of the embodiment of the present application is the orientation or position relation when the indoor unit of the air conditioner is normally used, and it should be understood that these orientation terms are only used for convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Referring to fig. 1 to 5, an embodiment of the present application provides an air-conditioning indoor unit, where the air-conditioning indoor unit includes a casing 10, a heat exchanger, a wind wheel, a filter screen, and a filter screen cover plate 20, where the heat exchanger and the wind wheel are both located in the casing 10, the casing 10 is formed with an air inlet and an air outlet 10a communicated with the air inlet, the casing 10 is provided with a taking and placing opening 10b at one side of the air inlet, for example, a taking and placing opening 10b is provided at one side of the casing 10 along a direction perpendicular to an airflow flowing direction of the air inlet, the filter screen can be taken and placed through the taking and placing opening 10b, and the filter screen cover plate 20 can cover the taking and placing opening 10b and be clamped with the casing 10.

In the air-conditioning indoor unit provided by the embodiment of the application, the filter screen cover plate 20 covers the taking and placing opening 10b, so that the taking and placing opening 10b is prevented from being exposed, the aesthetic feeling is improved, and the filter screen can be prevented from being separated from the taking and placing opening 10 b. Filter screen apron 20 and shell 10 joint, so, be favorable to quick, conveniently dismouting filter screen apron 20, improve work efficiency, cost of labor and material cost are lower relatively.

The specific type of the air conditioning indoor unit in the embodiment of the present application is not limited, and for example, the air conditioning indoor unit includes, but is not limited to, a ducted air conditioner, a vertical cabinet, a ceiling fan, a window machine, a wall hanging machine, or the like. Taking the wind pipe machine as an example, please refer to fig. 1 to 5, the air inlet and the air outlet 10a are respectively formed at two sides of the housing 10 along the length direction of the housing 10, and the heat exchanger and the wind wheel are arranged at intervals along the length direction of the housing 10. The wind wheel rotates to make the air flow enter the shell 10 from the air inlet, and after heat exchange through the heat exchanger, the air flow is blown out from the air outlet 10 a.

The specific clamping manner of the screen cover plate 20 and the casing 10 is not limited, and in an exemplary embodiment, please refer to fig. 8 and 12, the air conditioning indoor unit further includes a buckle 30, the buckle 30 includes an open slot 31 and a convex hull 32, one of the convex hull 32 and the open slot 31 is disposed on the casing 10, and the other of the convex hull 32 and the open slot 31 is disposed on the screen cover plate 20, and in an exemplary embodiment, the convex hull 32 is disposed on the casing 10, and the open slot 31 is disposed on the screen cover plate 20. In another embodiment, referring to fig. 8 and 12, the open slot 31 is disposed on the housing 10, and the convex hull 32 is disposed on the screen cover plate 20. The opening 31a of the open groove 31 can be restorably expanded by the convex hull 32, so that the convex hull 32 is caught or released from the open groove 31. That is, the open groove 31 can be elastically deformed. When the filter screen cover plate 20 needs to be detached, for example, when a filter screen needs to be installed or replaced, an acting force in a direction away from the shell 10 is applied to the filter screen cover plate 20, and the convex hull 32 can restorably prop open the open slot 31 until the convex hull 32 is separated from the open slot 31, so that the filter screen cover plate 20 is separated from the shell 10, and the filter screen cover plate 20 is detached. When the filter screen cover plate 20 needs to be installed, for example, in the case of installing or replacing a filter screen, a force is applied to the filter screen cover plate 20 in the direction close to the housing 10, and the convex hull 32 can restorably expand the open slot 31 until the convex hull 32 enters the open slot 31, so that the filter screen cover plate 20 and the housing 10 are clamped.

In an embodiment, referring to fig. 8 and 12, the clip 30 further includes a connecting portion 33, the open slot 31 and the convex hull 32 are respectively provided with the connecting portion 33, one of the open slot 31 and the convex hull 32 is connected to the housing 10 through the connecting portion 33, the other of the open slot 31 and the convex hull 32 is connected to the cover plate 20 through the connecting portion 33, the housing 10 and the screen cover plate 20 are both formed with a mounting hole 10c, and the connecting portion 33 can be flexibly inserted into the mounting hole 10 c. That is, the opening groove 31 is provided with the connecting portion 33, and the convex hull 32 is also provided with the connecting portion 33. The mounting hole 10c presses the portion of the connecting portion 33, so that the portion of the connecting portion 33 is shrunk and deformed to pass through the mounting hole 10c, the other portion of the connecting portion 33 penetrates through the mounting hole 10c, and the portion passing through the connecting portion 33 is deformed again, so that the buckle 30 can be quickly, conveniently and stably mounted on the filter screen cover plate 20 and the housing 10.

The specific material of the clip 30 is not limited, and for example, in an embodiment, the clip 30 is made of plastic, silicone, or rubber. Thus, the snap 30 has good elastic deformation capability, so that the opening groove 31 is elastically deformed conveniently.

Illustratively, in one embodiment, the opening groove 31 and the connecting portion 33 are integrally formed. The convex hull 32 and the connecting portion 33 are integrally formed.

The specific number of the fasteners 30 is not limited, and for example, in an embodiment, referring to fig. 5, the number of the fasteners 30 is multiple, and the multiple fasteners 30 are arranged at intervals along the length direction of the plate body 21. For example, the number of the snaps 30 is two. In another embodiment, the number of snaps 30 is one.

The plurality means two or more.

In an embodiment, referring to fig. 11 and 12, the connecting portion 33 includes a cylinder 331 and a latch 332 disposed on an outer peripheral surface of the cylinder 331, the opening slot 31 and the convex hull 32 are respectively disposed with the cylinder 331, and the latch 332 can be deformed to pass through the mounting hole 10c, so that the cylinder 331 passes through the mounting hole 10 c. That is, the latch 332 can be elastically deformed. The latch 332 is pressed by the mounting hole 10c, so that the latch 332 is deformed by shrinkage and passes through the mounting hole 10c, the latch 332 passing through the mounting hole 10c is deformed again, and the column 331 penetrates through the mounting hole 10c, so that the buckle 30 can be quickly, conveniently and stably mounted on the filter screen cover plate 20 and the housing 10.

In an embodiment, referring to fig. 11 and 12, an end surface 332a of the latch 332 away from the open slot 31 or the convex hull 32 is a guiding surface, and the latch 332 can pass through the mounting hole 10c in a recoverable deformation manner under the guidance of the guiding surface. Thus, the latch 332 can more quickly pass through the mounting hole 10c under the guidance of the guide surface, further improving the assembly efficiency. In an exemplary embodiment, referring to fig. 11 and 12, the guide surface is inclined toward the side where the open groove 31 or the convex hull 32 is located.

In an embodiment, referring to fig. 11 and 12, the number of the latches 332 is multiple, and the latches 332 are arranged at intervals along the axial direction of the cylinder 331. Thus, the connection between the latch 332 and the mounting hole 10c is more stable, and the cylinder 331 is prevented from easily coming out of the mounting hole 10c to some extent.

For example, in one embodiment, referring to fig. 11 and 12, the cross-sectional shape of the post 331 includes, but is not limited to, circular, elliptical, polygonal, etc.

The specific shape of the latch 332 is not limited, and for example, in an embodiment, please refer to fig. 11 and 12, the latch 332 is an annular structure surrounding the outer circumferential surface of the cylinder 331. Thus, the latch 332 can abut the periphery of the mounting hole 10c over a large area, and the latch 332 is further prevented from coming out of the mounting hole 10 c.

For example, in an embodiment, referring to fig. 12, the mounting hole 10c is circular, the latch 332 is circular, and the outer diameter of the latch 332 is larger than the diameter of the mounting hole 10 c. Thus, even when the latch 332 passes through the mounting hole 10c, the contact surface of the latch 332 against the outer periphery of the mounting hole 10c is relatively large. In another embodiment, the latch 332 includes a plurality of sub-latches spaced apart along the circumference of the cylinder 331.

For example, in one embodiment, the latch 332 may be a ring structure with other shapes, such as an oval or polygon, etc.

In one embodiment, referring to fig. 9 and 10, a portion of the outer circumferential surface of the connecting portion 33 is recessed to form a recessed portion 333, and a portion of the connecting portion 33 away from the open slot 31 or the convex hull 32 can be resiliently deformed to pass through the mounting hole 10c, so that the recessed portion 333 is inserted into the mounting hole 10 c. The size of the recess 333 is small, which facilitates the recess 333 to be inserted into the mounting hole 10 c.

In one embodiment, referring to fig. 9 and 10, a notch 33a is formed on a portion of the connecting portion 33 away from the opening groove 31 or the convex hull 32. The notch 33a provides a certain deformation space for the connecting portion 33, so that the mounting hole 10c can extrude the portion of the connecting portion 33 away from the opening groove 31 or the convex hull 32 to shrink and deform so as to pass through the mounting hole 10 c.

For example, in an embodiment, referring to fig. 4, 8 and 9, the mounting hole 10c is substantially rectangular, the size of the connecting portion 33 is substantially the same as the width of the mounting hole 10 in the width direction of the mounting hole 10c, a plane perpendicular to the width direction of the mounting hole 10c is taken as a projection plane, the projection of the connecting portion 33 is substantially wing-shaped, and the notch 33a extends to the position of the recessed portion 333. In this way, the connection portion 33 abuts against the housing 10 or the screen cover 20 along the longitudinal direction of the mounting hole 10 c.

The specific shape of the convex hull 32 is not limited, and for example, in an embodiment, please refer to fig. 10 and 11, the convex hull 32 is in a spherical shape, the opening 31a of the open slot 31 is in a circular shape, and the diameter of the opening 31a of the open slot 31 is smaller than the diameter of the convex hull 32. Thus, the positioning and assembly of the convex hull 32 and the opening 31a of the open slot 31 are facilitated, and the opening 31a of the open slot 31 can be expanded by the convex hull 32 in a restorable manner, so that the convex hull 32 enters the open slot 31 or is separated from the open slot 31.

In one embodiment, referring to fig. 4 to 6, the housing 10 includes a casing 11, a first rib 12 and a second rib 13, the casing 11 is formed with an air inlet, an air outlet 10a and a pick-and-place port 10b, and the heat exchanger and the wind wheel are located in the casing 11. The first rib 12 and the second rib 13 are respectively disposed on both sides of the access opening 10b in the width direction, the first rib 12 extends from the housing 11 to the inside of the housing 11, and the second rib 13 extends from the housing 11 in the width direction of the access opening 10 b. The filter screen cover plate 20 comprises a plate body 21, a first flanging 22 and a second flanging 23, the plate body 21 can be covered by the closed access opening 10b, the first flanging 22 and the second flanging 23 are arranged on two sides of the width direction of the plate body 21, the first flanging 22 is abutted to the first flange 12, and the second flanging 23 is abutted to the second flange 13 in the state that the plate body 21 is covered by the closed access opening 10 b. By such a design, the first rib 12 and the second rib 13 can limit the deviation of the plate body 21 along the width direction of the access opening 10b, and the filter screen cover plate 20 is more firmly assembled to the housing 10.

In one embodiment, referring to fig. 4 to 6, the filter screen cover plate 20 includes a folded edge 24, the folded edge 24 is disposed on a side of the second folded edge 23 away from the plate body 21, and the folded edge 24 is located inside the second blocking edge 13 in a state that the plate body 21 covers the access opening 10 b. During assembly, the folded edge 24 may be inserted into the inner side of the second flange 13 through the access opening 10b, and then the plate body 21 is pressed toward the housing 11, so that the protrusion enters the open slot 31, thereby assembling the screen cover plate 20 to the housing 10. The flange 24 prevents the screen cover plate 20 from being shifted or turned to the outside of the housing 11, so that the screen cover plate 20 is more stably assembled to the housing 10.

In an embodiment, referring to fig. 4 to 7, the housing 10 includes two third flanges 14, the two third flanges 14 are respectively disposed at two sides of the access opening 10b in the length direction, and a portion of the second flange 23 can abut against the third flanges 14 in a state that the plate body 21 covers the access opening 10 b. The third rib 14 prevents the screen cover plate 20 from being shifted or turned inside the housing 11, so that the screen cover plate 20 is more stably mounted on the housing 10.

In one embodiment, referring to fig. 4 and 6, the housing 10 includes a fourth rib 15, the fourth rib 15 extends from the first rib 12 along the width direction of the access opening 10b, the mounting hole 10c is formed on the fourth rib 15, the filter screen cover plate 20 includes a mounting piece 25, the mounting piece 25 extends from the first flange 22 along the width direction of the plate body 21, one of the open slot 31 and the convex hull 32 is disposed on the mounting piece 25, and the other of the open slot 31 and the convex hull 32 is disposed on the fourth rib 15. That is, the mounting piece 25 is located inside the plate body 21, so that the clip 30 can be easily hidden inside the plate body 21, and the appearance is better.

In one embodiment, referring to fig. 5 and 7, the screen cover plate 20 includes two side plates 26, the two side plates 26 are disposed on two sides of the plate body 21 in the length direction, and the side plates 26 can cover the gap between the housing 11 and the plate body 21. Thus, external dust is prevented from entering the housing 11 through the gap between the plate body 21 and the housing 11 to some extent.

In one embodiment, referring to fig. 5 and 7, the side panel 26 is formed with a hand-gripping protrusion 26a or a hand-gripping groove. So designed, be convenient for the user hand hold protruding 26a or hand hold recess to open filter screen apron 20.

In an exemplary embodiment, referring to fig. 5, the screen cover plate 20 is an integrally formed structure.

The material of the screen cover plate 20 is not limited, and in an exemplary embodiment, the screen cover plate 20 is a sheet metal part.

Another aspect of the embodiments of the present application provides an air conditioner, including an indoor unit of an air conditioner in any of the embodiments of the present application.

In one embodiment, the air conditioner further comprises an outdoor unit of the air conditioner.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (15)

1. The utility model provides an indoor unit of air conditioner, a serial communication port, the indoor unit of air conditioner includes shell, heat exchanger, wind wheel, filter screen and filter screen apron, the heat exchanger with the wind wheel all is located in the shell, the shell be formed with the air intake and with the air outlet of air intake intercommunication, the shell is in one side of air intake is provided with gets and puts the mouth, the filter screen can warp get and put the mouth and get and put, the filter screen apron can cover and close get put the mouth and with the shell joint.

2. The indoor unit of claim 1, further comprising a buckle, wherein the buckle comprises an open slot and a convex hull, one of the convex hull and the open slot is disposed on the casing, the other of the convex hull and the open slot is disposed on the filter screen cover plate, and an opening of the open slot can be restorably expanded by the convex hull, so that the convex hull is clamped into or pulled out of the open slot.

3. The indoor unit of an air conditioner according to claim 2, wherein the buckle further includes a connecting portion, the open slot and the convex hull are respectively provided with the connecting portion, one of the open slot and the convex hull is connected to the casing through the connecting portion, the other of the open slot and the convex hull is connected to the cover plate through the connecting portion, the casing and the filter screen cover plate are both formed with mounting holes, and the connecting portion can be inserted into the mounting holes in a recoverable deformation manner.

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

the open slot and the convex hull are respectively provided with the cylinder; and

the latch is arranged on the peripheral surface of the column body and can penetrate through the mounting hole in a restorable deformation mode, so that the column body penetrates through the mounting hole.

5. An indoor unit of an air conditioner as claimed in claim 4, wherein an end surface of the latch remote from the open slot or the convex hull is a guide surface, and the latch can pass through the mounting hole in a restorable and deformable manner under the guide of the guide surface.

6. An indoor unit of an air conditioner according to claim 4, wherein the number of the latch teeth is plural, and the plural latch teeth are arranged at intervals in an axial direction of the cylinder.

7. An indoor unit of an air conditioner according to claim 4, wherein the latch has an annular structure surrounding an outer circumferential surface of the cylinder.

8. An indoor unit of an air conditioner according to claim 3, wherein a part of an outer peripheral surface of the connecting portion is recessed to form a recessed portion, and a part of the connecting portion away from the open groove or the convex hull is passed through the mounting hole so as to be restorably deformable, so that the recessed portion is inserted into the mounting hole.

9. An indoor unit of an air conditioner according to claim 8, wherein a portion of the connection portion, which is away from the opening groove or the convex hull, is formed with a notch.

10. An indoor unit of an air conditioner according to any one of claims 2 to 9, wherein the convex hull is spherical, an opening of the open groove is circular, and a diameter of the opening of the open groove is smaller than a diameter of the convex hull.

11. An indoor unit of an air conditioner according to any one of claims 3 to 9, wherein the casing includes a casing, a first flange and a second flange, the casing is formed with the air inlet, the air outlet and the access opening, the heat exchanger and the wind wheel are both located in the casing, the first flange and the second flange are respectively disposed on both sides of the access opening in the width direction, the first flange extends from the casing toward the inside of the casing, the second flange extends from the casing in the width direction of the access opening, the screen cover plate includes a plate body, a first flange and a second flange, the plate body can cover the access opening, the first flange and the second flange are disposed on both sides of the plate body in the width direction, and the first flange abuts against the first flange in a state where the plate body covers the access opening, the second flanging is abutted with the second flange.

12. An indoor unit of an air conditioner according to claim 11, wherein the filter screen cover plate includes a folded edge, the folded edge is disposed on a side of the second folded edge away from the panel body, and the folded edge is located inside the second rib in a state where the panel body covers the access opening.

13. An indoor unit of an air conditioner according to claim 11, wherein the casing includes two third flanges, the two third flanges are respectively provided on both sides in a longitudinal direction of the access opening, and a part of the second flange is capable of abutting against the third flanges in a state where the access opening is covered with the plate body.

14. An indoor unit of an air conditioner according to claim 11, wherein the casing includes a fourth rib extending in the width direction of the access opening from the first rib, the mounting hole is formed in the fourth rib, the filter screen cover plate includes a mounting piece extending in the width direction of the plate body from the first rib, one of the opening groove and the convex hull is provided in the mounting piece, and the other of the opening groove and the convex hull is provided in the fourth rib.

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

Images