An air conditioner indoor unit

By introducing a lever mechanism into the indoor unit of the air conditioner, the problem of the closed plate being difficult to open under embedded installation is solved, enabling convenient maintenance operations in narrow spaces, avoiding equipment damage, and maintaining aesthetics and sealing.

CN224479725UActive Publication Date: 2026-07-10QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
Filing Date
2025-06-19
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

When existing air conditioner indoor units are installed in a recessed manner, the enclosed panel is difficult to open in a confined space when the power is off, making maintenance difficult and easily damaging to equipment or furniture.

Method used

An air conditioner indoor unit was designed, which uses a lever to open the closed plate. When the first end of the lever moves away from the unit, the second end abuts against the unit to form a lever fulcrum, which can easily pry up the closed plate and open it.

Benefits of technology

The enclosure can be opened easily and effortlessly without the aid of tools, avoiding damage to equipment or furniture caused by forced operation, while maintaining the equipment's appearance and sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of indoor unit of air conditioner, it includes machine body, closure plate and stirring piece.The air inlet is formed on machine body;Closure plate is rotatably installed at air inlet place.Stirring piece is rotatably installed on closure plate by pivot, stirring piece includes first end and second end, to when first end moves in the direction of away from machine body around pivot, second end can abut on machine body, and then when first end continues to move in the direction of away from machine body, closure plate is driven away from air inlet.The utility model solves the problem that existing indoor unit of air conditioner is not easy to open when power off.
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Description

Technical Field

[0001] This utility model relates to the field of air conditioning technology, and in particular to an indoor unit for air conditioning. Background Technology

[0002] With the increasing emphasis on aesthetics and space utilization in modern homes and commercial spaces, the design of embedding air conditioner indoor units within cabinets, wardrobes, and other installation spaces is becoming increasingly popular. These indoor units feature a rotatable sealing plate at the air inlet, used to cover the inlet for dust prevention when the unit is off and to open for air intake during operation. However, in embedded installation scenarios, the gap between the installation space wall and the indoor unit is extremely small, making it difficult for operators to reach in with tools or fingers to pry open the sealing plate during power outage maintenance. Forced operation can easily damage the equipment or furniture. Therefore, there is an urgent need for a structure that allows tool-free opening of the sealing plate in confined spaces, solving the problem of ease of maintenance while maintaining a sealed and aesthetically pleasing design. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide an air conditioner indoor unit that overcomes or at least partially solves the above problems, and can solve the technical problem that the sealing plate of the existing air conditioner indoor unit is not easy to open when the power is off.

[0004] Specifically, this utility model provides an indoor unit for an air conditioner, comprising:

[0005] The body has an air inlet formed on it;

[0006] A sealing plate, which is rotatably mounted at the air inlet;

[0007] An actuating element is rotatably mounted on the sealing plate via a rotating shaft. The actuating element includes a first end and a second end, such that when the first end moves away from the machine body around the rotating shaft, the second end can abut against the machine body, and when the first end continues to move away from the machine body, it drives the sealing plate away from the air inlet.

[0008] Optionally, the sealing plate is provided with a receiving groove, which connects the inner and outer sides of the sealing plate;

[0009] The actuating element is rotatably mounted within the receiving groove.

[0010] Optionally, the actuating element is located at one end away from the rotation axis of the enclosing plate.

[0011] Optionally, the body also has an air outlet, the air inlet and the air outlet are located on the front side of the body, and the air inlet is located above the air outlet;

[0012] The rotation axis of the sealing plate is located at the bottom of the sealing plate;

[0013] The actuating element is disposed on the top wall of the enclosed plate.

[0014] Optionally, the indoor unit of the air conditioner further includes:

[0015] Two limiting protrusions are provided on the front side of the receiving groove, and the two limiting protrusions are distributed at intervals on both sides of the rotating shaft.

[0016] Optionally, the indoor unit of the air conditioner further includes:

[0017] A one-way rotating ratchet is sleeved on the lower end of the rotating shaft, and the one-way rotating ratchet is fixedly connected to the actuating element;

[0018] A pawl is rotatably mounted in the receiving groove, and the pawl engages with the one-way rotating ratchet.

[0019] Optionally, the indoor unit of the air conditioner further includes:

[0020] A rigid support surface is formed on the front surface of the body for contacting the second end of the actuating element; a roller is rotatably mounted on the outside of the second end of the actuating element; or

[0021] A wedge-shaped bevel is formed on the rear side of the second end of the actuating element.

[0022] Optionally, the indoor unit of the air conditioner further includes:

[0023] A drive arm, the front end of which is connected to the enclosed plate in a transmission manner, so as to drive the enclosed plate to open or close the air inlet when moving in the direction of the inside and outside of the machine body;

[0024] A drive motor is mounted on the machine body;

[0025] A gear is mounted on the output shaft of the drive motor;

[0026] A rack is mounted on the drive arm, and the gear meshes with the rack.

[0027] Optionally, the indoor unit of the air conditioner further includes:

[0028] A guide rail is disposed on the inner wall of the enclosed plate and extends in a direction perpendicular to the rotation axis of the enclosed plate.

[0029] A drive shaft, parallel to the rotation axis of the enclosed plate; the drive shaft is fixed to the front end of the drive arm; or,

[0030] The indoor unit of the air conditioner also includes:

[0031] A guide rail is disposed on the inner wall of the enclosed plate and extends in a direction perpendicular to the rotation axis of the enclosed plate.

[0032] A slider is mounted on the guide rail;

[0033] A connecting rod, one end of which is fixedly connected to the slider and the other end of which is rotatably connected to the front end of the drive arm; the connecting rod is inclined relative to the extension direction of the guide rail.

[0034] Optionally, one end of the guide rail is rotatably connected to the enclosure plate, and the other end of the guide rail is detachably connected to the enclosure plate.

[0035] In this invention, the indoor unit of the air conditioner features a lever mechanism on the sealed panel. When the air conditioner is powered off and maintenance requires opening the sealed panel, the technician does not need tools or to force their way into narrow gaps. They simply need to move the first end of the lever away from the unit; the second end of the lever then presses against the unit, forming a lever fulcrum. Continuing to move the first end allows the entire sealed panel to be easily pried up away from the air inlet using the lever principle. This invention solves the problem of opening the sealed panel due to extremely small gaps in embedded installations, is simple and labor-saving to operate, and avoids damage to equipment or furniture caused by forced prying.

[0036] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0037] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0038] Figure 1 This is a schematic diagram of the use state of an indoor air conditioner unit according to an embodiment of the present utility model;

[0039] Figure 2 This is a schematic structural diagram of the back of the sealing plate in an indoor air conditioning unit according to an embodiment of the present utility model;

[0040] Figure 3 This is a schematic partial structural diagram of an air conditioner indoor unit according to an embodiment of the present utility model;

[0041] Figure 4 This is a schematic structural diagram of a toggle component in an indoor air conditioning unit according to an embodiment of the present utility model;

[0042] Figure 5This is a schematic structural diagram of a unidirectional rotating ratchet and pawl in an air conditioner indoor unit according to an embodiment of the present invention;

[0043] Figure 6 This is a schematic partial structural diagram of an air conditioner indoor unit according to an embodiment of the present utility model;

[0044] Figure 7 This is a schematic partial structural diagram of an air conditioner indoor unit according to an embodiment of the present utility model;

[0045] Figure 8 This is a schematic partial structural diagram of an air conditioner indoor unit according to an embodiment of the present utility model. Detailed Implementation

[0046] The following reference Figures 1 to 8 This description pertains to an indoor air conditioning unit according to an embodiment of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0047] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0049] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] Figure 1 This is a schematic diagram showing the usage state of an indoor air conditioner unit according to an embodiment of the present invention, such as... Figure 1 As shown, and refer to Figures 2 to 8 This utility model provides an indoor air conditioning unit, which includes a body 100, a sealing plate 200, and a toggle member 300. An air inlet is formed on the body 100; the sealing plate 200 is rotatably mounted at the air inlet. The toggle member 300 is rotatably mounted on the sealing plate 200 via a pivot 400. The toggle member 300 includes a first end 310 and a second end 320, such that when the first end 310 moves away from the body 100 around the pivot 400, the second end 320 can abut against the body 100, and thus, when the first end 310 continues to move away from the body 100, it drives the sealing plate 200 away from the air inlet.

[0051] When the indoor unit of the air conditioner is turned off, the sealing plate 200 covers the air inlet. At this time, both the first end 310 (operation end) and the second end 320 (abutment end) are in the retracted position and do not protrude from the outline of the body 100, ensuring sealing and aesthetics.

[0052] In this embodiment, a lever element 300 is provided on the closed plate 200. When the air conditioner is powered off and maintenance requires opening the closed plate 200, the maintenance personnel do not need to use tools or forcibly insert into narrow gaps. They only need to directly move the first end 310 of the lever element 300 away from the body 100. At this time, the second end 320 of the lever element 300 abuts against the body 100 to form a lever fulcrum. By continuing to move the first end 310, the entire closed plate 200 can be easily pried away from the air inlet using the lever principle. This embodiment solves the problem of opening the closed plate 200 caused by the extremely small gap in embedded installation. The operation is simple and labor-saving, avoiding damage to equipment or furniture caused by forced prying. At the same time, the lever element 300 has a compact and concealed structure, which does not affect the appearance of the equipment or its sealing and dustproof performance during normal use.

[0053] Furthermore, after opening the air inlet to a certain angle using the toggle 300, the gap between the sealing plate 200 and the air inlet can be used as the operating space to manually drive the sealing plate 200 to open the air inlet to a greater angle or fully open it.

[0054] like Figure 2 and 3 As shown, in some optional embodiments of this utility model, the sealing plate 200 is provided with a receiving groove 210, which connects the inner and outer sides of the sealing plate 200; the actuating member 300 is rotatably installed in the receiving groove 210.

[0055] In this embodiment, the receiving groove 210 allows the actuating member 300 to be implicitly embedded in the closed plate 200, making the overall appearance of the closed plate 200 more aesthetically pleasing when the indoor unit of the air conditioner is working normally.

[0056] In some optional embodiments of this utility model, the height of the actuating member 300 is equal to the depth of the receiving groove 210. When the air conditioner is running, the actuating member 300 and the surface of the sealing plate 200 are integrated with zero height difference, which is beneficial to the overall aesthetics of the sealing plate 200.

[0057] In some optional embodiments of this utility model, the outer surface of the actuating member 300 is lower than the outer surface of the closing plate 200. Specifically, the thickness of the actuating member 300 is less than the depth of the receiving groove 210, which facilitates rotating the first end 310 of the actuating member 300 out of the receiving groove.

[0058] like Figure 2 As shown, in some optional embodiments of this utility model, the toggle member 300 is disposed at one end away from the rotation axis of the closed plate 200.

[0059] In this embodiment, based on the lever principle, when the operating force is constant, the distance between the actuating element 300 and the rotation axis (fulcrum) of the sealing plate 200 is directly proportional to the opening torque. In this embodiment, the actuating element 300 is positioned at the maximum lever arm position, so that maintenance personnel only need a small operating force to open the air inlet.

[0060] like Figure 1 As shown, in some optional embodiments of this utility model, an air outlet 120 is also formed on the body 100, and the air inlet and air outlet 120 are disposed on the front side of the body 100, with the air inlet located above the air outlet 120. The rotation axis of the sealing plate 200 is disposed at the bottom of the sealing plate 200; the actuating member 300 is disposed on the top wall of the sealing plate 200. In some alternative embodiments, the actuating member 300 may also be disposed on the left side wall or both side walls of the sealing plate 200.

[0061] Compared with the embodiment where the actuating element 300 is disposed on the left or right side of the enclosed plate 200, the actuating element 300 is disposed on the top wall of the enclosed plate 200, which not only makes the actuating element 300 more concealed, but also makes it easier to move the enclosed plate 200 away from the air inlet.

[0062] In some optional embodiments of this utility model, the actuating member 300 is elongated, and it can be rod-shaped or sheet-shaped. That is, the actuating member 300 can be an actuating rod or an actuating sheet.

[0063] like Figure 3 As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes two limiting protrusions 220, which are disposed on the front side of the receiving groove 210 and are distributed at intervals on both sides of the rotating shaft 400.

[0064] Specifically, the limiting protrusion 220 can be cylindrical or spherical. The two limiting protrusions 220 can be symmetrically distributed on both sides of the central axis of the rotating shaft 400; or the distance between the two limiting protrusions 220 and the central axis of the rotating shaft 400 can be unequal.

[0065] When the toggle 300 is not needed and is in the receiving groove 210, the two limiting protrusions 220 can prevent the toggle 300 from coming out of the receiving groove 210.

[0066] When the actuating element 300 is needed, the operator can forcefully actuate the first end 310 of the actuating element 300 to allow it to leak out of the receiving groove 210. Thereafter, during the rotation of the actuating element 300, the two limiting protrusions will not interfere with the operation of the actuating element 300.

[0067] like Figure 5As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a one-way rotating ratchet 510 and a pawl 520. The one-way rotating ratchet 510 is sleeved on the lower end of the rotating shaft 400, and the one-way rotating ratchet 510 is fixedly connected to the actuating member 300. The pawl 520 is rotatably installed in the receiving groove 210, and the pawl 520 cooperates with the one-way rotating ratchet 510. Specifically, the actuating member 300 is located above the one-way rotating ratchet 510, and both can rotate synchronously around the rotating shaft 400. The rotation axis of the pawl 520 is parallel to the central axis of the rotating shaft 400, and the pawl 520 is located on the side of the one-way rotating ratchet 510 closer to the interior of the unit.

[0068] In this embodiment, by setting a unidirectional rotating ratchet 510 and a pawl 520, the actuating member 300 can only rotate in one direction, thus avoiding the actuating member 300 from rotating back during the rotation process.

[0069] Furthermore, after the air inlet is opened, the first end 310 is rotated continuously, causing it to rotate once around the shaft 400 and return to its initial position within the receiving groove 210. Since the actuating element 300 is located above the unidirectional rotating ratchet 510, the pawl 520 will not interfere with the actuating element 300.

[0070] In some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a rigid support surface formed on the front surface of the unit body 100 for contacting the second end 320 of the actuating member 300. The rigid support surface is located on the movement path of the second end of the actuating member. The rigid support surface is made of metal or engineering plastic. In this embodiment, the rigid support surface has a certain degree of hardness and load-bearing capacity, giving it a long service life.

[0071] In some optional embodiments of this utility model, the indoor unit of the air conditioner also includes a roller, which is rotatably mounted on the outside of the second end 320 of the actuating member 300.

[0072] In this embodiment, by providing a roller, the movement resistance of the actuating member 300 can be reduced, thereby allowing the air inlet to be opened with less force.

[0073] like Figure 4 As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a wedge-shaped inclined surface 330, which is formed on the rear side of the second end 320 of the actuating member 300. By providing the wedge-shaped inclined surface 330, the travel of the second end 320 of the actuating member 300 can be increased, thereby increasing the opening angle of the air inlet.

[0074] like Figure 6 and Figure 7As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a drive arm 610, a drive motor 620, a gear 630, and a rack. The front end of the drive arm 610 is connected to the enclosure plate 200 for transmission, so as to drive the enclosure plate 200 to open or close the air inlet when moving in the inward or outward direction along the body 100; the drive motor 620 is mounted on the body 100; the gear 630 is disposed on the output shaft of the drive motor 620; the rack is disposed on the drive arm 610, and the gear 630 meshes with the rack. Specifically, the drive arm 610, the drive motor 620, the gear 630, and the rack constitute a drive device for driving the movement of the enclosure plate 200. In alternative embodiments, drive devices with other structures can also be used.

[0075] In this embodiment, the drive arm 610 is directly driven by the drive motor 620 via gear 630 and rack, thereby improving transmission efficiency. The drive arm 610 moves in the inward and outward directions of the body 100, and the front end of the drive arm 610 drives the sealing plate 200 to rotate around the rotation axis, thereby causing the sealing plate 200 to open or close the air inlet.

[0076] like Figure 6 and Figure 7 As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a guide rail 640 and a drive shaft 650. The guide rail 640 is disposed on the inner wall of the enclosure plate 200 and extends in a direction perpendicular to the rotation axis of the enclosure plate 200. The drive shaft 650 is parallel to the rotation axis of the enclosure plate 200; the drive shaft 650 is fixed to the front end of the drive arm 610. The drive shaft 650 is mounted on the guide rail 640 and can slide along the guide rail 640. Specifically, when the drive arm 610 moves, it drives the front drive shaft 650 to slide along the guide rail 640 on the inner wall of the enclosure plate 200. Because the extension direction of the guide rail 640 is perpendicular to the rotation axis of the enclosure plate 200, the displacement of the drive shaft 650 forces the enclosure plate 200 to rotate around its own rotation axis.

[0077] like Figure 6 and Figure 8 As shown, in some optional embodiments of this utility model, the indoor unit of the air conditioner further includes a guide rail 640, a slider 660, and a connecting rod 670. The guide rail 640 is disposed on the inner wall of the enclosed plate 200 and extends in a direction perpendicular to the rotation axis of the enclosed plate 200. The slider 660 is disposed on the guide rail 640; one end of the connecting rod 670 is fixedly connected to the slider 660, and the other end is rotatably connected to the front end of the drive arm 610; the connecting rod 670 is inclined relative to the extension direction of the guide rail 640.

[0078] Specifically, the guide rail 640 has a groove, and the sliding position is located within the groove. When the air conditioner is turned on, the drive arm 610 moves from the inside to the outside along the body 100, driving the slider 660 to slide along the guide rail 640 via the connecting rod 670, thereby driving the sealing plate 200 to rotate around its rotation axis to open the air inlet. When the air conditioner is turned off, the connecting rod 670 drives the slider 660 to slide in the opposite direction along the guide rail 640, pulling the sealing plate 200 back to the position where it completely blocks the air inlet.

[0079] Compared with the previous embodiment, this embodiment can optimize the transmission of force through the lever effect of the inclined connecting rod 670, and continuously press the slider 660 against the inner wall of the groove of the guide rail 640, avoiding the fit gap of the slider 660 groove, reducing jamming, and improving the smoothness of movement.

[0080] like Figure 6 As shown, in some optional embodiments of this utility model, one end of the guide rail 640 is rotatably connected to the sealing plate 200, and the other end of the guide rail 640 is detachably connected to the sealing plate 200.

[0081] Specifically, a mounting base is provided on the inner wall surface of the enclosure plate 200. One end of the guide rail 640 is rotatably mounted on the mounting base via a rotating shaft, the axis of which is perpendicular to the extension direction of the guide rail 640. The guide rail 640 and the enclosure plate 200 can be detachably connected by a snap-fit ​​connection or a threaded connection. Furthermore, the end of the guide rail 640 near the rotation axis of the enclosure plate is rotatably connected to the enclosure plate, while the end of the guide rail 640 away from the rotation axis of the enclosure plate is detachably connected to the enclosure plate.

[0082] In this embodiment, when the guide rail 640 is fixed together with the sealing plate 200, the sealing plate 200 can only open to a preset angle, such as 35 degrees. After separating the guide rail 640 from the sealing plate 200, the sealing plate 200 can open to 90 degrees, which is more conducive to air intake and also makes it easier to remove the filter screen at the air intake, thus facilitating filter cleaning.

[0083] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. An indoor unit for an air conditioner, characterized in that, include: The body has an air inlet formed on it; A sealing plate, which is rotatably mounted at the air inlet; An actuating element is rotatably mounted on the sealing plate via a rotating shaft. The actuating element includes a first end and a second end, such that when the first end moves away from the machine body around the rotating shaft, the second end can abut against the machine body, and when the first end continues to move away from the machine body, it drives the sealing plate away from the air inlet.

2. The indoor unit of the air conditioner according to claim 1, characterized in that, The sealing plate is provided with a receiving groove, which connects the inner and outer sides of the sealing plate; The actuating element is rotatably mounted within the receiving groove.

3. The indoor unit of the air conditioner according to claim 1, characterized in that, The actuating element is located at one end away from the rotation axis of the enclosed plate.

4. The indoor unit of the air conditioner according to claim 2, characterized in that, The body also has an air outlet, the air inlet and the air outlet are located on the front side of the body, and the air inlet is located above the air outlet; The rotation axis of the sealing plate is located at the bottom of the sealing plate; The actuating element is disposed on the top wall of the enclosed plate.

5. The indoor unit of the air conditioner according to claim 4, characterized in that, Also includes: Two limiting protrusions are provided on the front side of the receiving groove, and the two limiting protrusions are distributed at intervals on both sides of the rotating shaft.

6. The indoor unit of the air conditioner according to claim 4, characterized in that, Also includes: A one-way rotating ratchet is sleeved on the lower end of the rotating shaft, and the one-way rotating ratchet is fixedly connected to the actuating element; A pawl is rotatably mounted in the receiving groove, and the pawl engages with the one-way rotating ratchet.

7. The indoor unit of the air conditioner according to claim 4, characterized in that, Also includes: A rigid support surface is formed on the front surface of the body for contacting the second end of the actuating element; A roller is rotatably mounted on the outer side of the second end of the actuating element; or A wedge-shaped bevel is formed on the rear side of the second end of the actuating element.

8. The indoor unit of the air conditioner according to claim 1, characterized in that, Also includes: A drive arm, the front end of which is connected to the enclosed plate in a transmission manner, so as to drive the enclosed plate to open or close the air inlet when moving in the direction of the inside and outside of the machine body; A drive motor is mounted on the machine body; A gear is mounted on the output shaft of the drive motor; A rack is mounted on the drive arm, and the gear meshes with the rack.

9. The indoor unit of the air conditioner according to claim 8, characterized in that, Also includes: A guide rail is disposed on the inner wall of the enclosed plate and extends in a direction perpendicular to the rotation axis of the enclosed plate. A drive shaft, which is parallel to the rotation axis of the enclosed plate; The drive shaft is fixed to the front end of the drive arm; or, The indoor unit of the air conditioner also includes: A guide rail is disposed on the inner wall of the enclosed plate and extends in a direction perpendicular to the rotation axis of the enclosed plate. A slider is mounted on the guide rail; A connecting rod, one end of which is fixedly connected to the slider and the other end of which is rotatably connected to the front end of the drive arm; the connecting rod is inclined relative to the extension direction of the guide rail.

10. The indoor unit of the air conditioner according to claim 9, characterized in that, One end of the guide rail is rotatably connected to the enclosed plate, and the other end of the guide rail is detachably connected to the enclosed plate.