CN214746091U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model provides an indoor unit of air conditioner, include: the inner wall of the screw groove is provided with a positioning bulge; and a screw cover connected in the screw groove; wherein the screw cover has: a body adapted to the screw groove; the clamping hook is connected to the lower end of the body and clamped at the bottom of the screw groove; the anti-disengaging arm is connected the lower extreme of body, the lower extreme of anti-disengaging arm is equipped with the notch, be equipped with spacing arch on two inside walls of notch, the notch is carried the location is protruding just spacing protruding joint in the bellied bottom in location. The utility model discloses simple structure, convenient to use can effectively solve the cracked problem of trip that appears easily when current screw lid is dismantled, and realizes the installation through setting up the location arch and prevent slow-witted, the effectual production assembly efficiency that has improved.

Description

Indoor unit of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit of air conditioner.

Background

With the continuous improvement of the life quality of people, the air conditioner gradually becomes one of the essential household appliances of a family. In order to make the appearance of the air conditioner more beautiful, a screw cover for shielding the screw is usually arranged on the surface frame of the air conditioner, and the screw can be prevented from being directly exposed, moistened and rusted. The existing screw cap structure is mounted and fixed through a buckle, and the screw cap is pried to be detached by means of a detaching tool. In the disassembling process, the disassembling tool pries the hook on one side of the screw cover, so that the buckle on the other side is easily broken, the screw cover is damaged, and the disassembling and the assembling are inconvenient. And the most installation processes of the existing screw cap structure are more tedious, and the sinking condition can occur due to the excessive force during installation of the screw cap, so that the assembly effect is influenced.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this purpose,

the utility model provides an indoor unit of air conditioner, include:

the inner wall of the screw groove is provided with a positioning bulge; and

a screw cover connected in the screw groove;

wherein the screw cover has:

a body adapted to the screw groove;

the clamping hook is connected to the lower end of the body and clamped at the bottom of the screw groove;

the anti-disengaging arm is connected the lower extreme of body, the lower extreme of anti-disengaging arm is equipped with the notch, be equipped with spacing arch on two inside walls of notch, the notch is carried the location is protruding just spacing protruding joint in the bellied bottom in location.

This technical scheme is in through at the trip joint the tank bottom in screw groove to and the notch of anticreep arm clip the location protruding just spacing protruding joint in the bellied bottom in location. The screw cover is fixedly installed in the screw groove to cover the screw groove, so that the attractiveness of the indoor unit of the air conditioner is guaranteed; through set up the notch on the anticreep arm and set up spacing arch, with the protruding cooperation in location, can not cause the fracture when dismantling, the protruding effect of preventing slow-witted that can play when the screw lid installation of location simultaneously for the easy dismounting of screw lid, and the production of being convenient for.

In some embodiments in this application, be equipped with the confession on the location arch spacing protruding gliding spout, the upper end of spout is provided with first direction inclined plane, and this structure plays the guide effect to spacing arch in screw lid installation, easy to assemble.

In some embodiments in this application, the diapire of spout has second direction inclined plane, and when spacing arch reachd the bottom of spout, only can make spacing arch and protruding joint in location through pressing the operation, realize that screw lid and the inseparable combination of screw groove are in the same place.

In some embodiments in this application, spacing arch has joint plane and joint inclined plane, joint plane joint in the bellied bottom in location, the joint inclined plane dorsad the location is protruding, and the joint inclined plane makes spacing protruding easier entering and leave the spout, the installation of the screw lid of being convenient for.

In some embodiments in this application, the screw lid still includes the dismantlement portion, the dismantlement portion for form in arc wall on the body periphery wall, instrument inserted hole when the maintenance is dismantled makes things convenient for operating personnel to open the screw lid.

In some embodiments in this application, the trip includes extension arm and joint portion, the extension arm by the arc lateral wall of arc wall extends along vertical direction and forms, joint portion locates on the periphery wall of extension arm, the extension arm with form between the lateral wall in screw groove and dismantle the passageway, convenient to detach instrument's insertion.

In some embodiments of the present application, there is a gap between the positioning protrusion and the side wall of the notch where the two limiting protrusions are located, so that when the screw cover is detached, the limiting protrusions can move normally.

In some embodiments in this application, the diapire middle part of screw groove to the tank bottom direction in screw groove is sunken to form the mounting groove, be provided with the mounting hole that supplies the screw to pass on the diapire of mounting groove, the screw passes the mounting hole after-fixing in the mounting groove, can not cause the interference to the dismantlement and the installation of screw lid, makes things convenient for the dismouting of screw lid.

In some embodiments of the present application, an abutting portion is disposed on a side wall of the first insertion hole, and the first limiting portion abuts against the abutting portion, so that the first limiting portion is clamped in the first insertion hole.

In some embodiments in this application, the trip with the anticreep arm sets up relatively, and this structure makes when using the instrument to dismantle the screw lid from the trip side, spacing protruding atress on the anticreep arm breaks away from and fixes a position bellied joint, avoids appearing the phenomenon of splitting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

Fig. 1 is a perspective view of an air conditioning indoor unit according to an embodiment of the present disclosure 1;

fig. 2 is a perspective view of an air conditioning indoor unit according to an embodiment of the present disclosure 2;

fig. 3 is a partial structural sectional view of an air conditioning indoor unit according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a motion mechanism 1 according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram 2 of the structure of a motion mechanism according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a motion mechanism 3 according to an embodiment of the present disclosure;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic structural view of a screw cover 1 according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural view of a screw cover according to an embodiment of the present disclosure 2;

FIG. 10 is a partial structural cross-sectional view of a screw cover and screw channel according to an embodiment of the present disclosure;

FIG. 11 is a schematic view of a positioning protrusion according to an embodiment of the present disclosure.

In the above figures: an indoor air-conditioning unit 100; a housing 1; a middle frame 11; a front cover 12; an upper cover 13; an air inlet 131; an air intake grill 132; a lower cover 14; a rear cover 15; an air deflector 16; a movement mechanism 17; a drive assembly 171; a first motor 1711; a second motor 1712; a first transmission assembly 172; a first rack 1721; a first gear 1722; a second transmission assembly 173; a second rack 1731; a second gear 1732; a connecting rod 174; a cartridge body 175; an air outlet 18; an air outlet channel 19; a heat exchanger 2; a fan 3; a screw slot 4; a mounting groove 41; a mounting hole 411; the first insertion hole 42; an abutting portion 421; the second insertion hole 43; a positioning boss 431; a chute 4311; the first guide inclined face 4312; the second guide inclined face 4313; a screw cover 5; a body 51; an arc-shaped slot 511; a hook 52; a clip portion 521; an extension arm 522; the retaining arm 53; a notch 531; a limit projection 532; a clamping plane 5321; a clamping inclined surface 5322; a first direction 6.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

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

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

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

The air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner outdoor unit is a part of a refrigeration cycle including a compressor and an outdoor heat exchanger, the air conditioner indoor unit includes an indoor heat exchanger, and an expansion valve may be provided in the air conditioner indoor unit or the air conditioner outdoor unit.

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

The present invention provides an air conditioner indoor unit 100, and the air conditioner indoor unit 100 is described below with reference to fig. 1 to 11, wherein fig. 1 and 2 are perspective views of the air conditioner indoor unit.

Referring to fig. 1 and 2, the air conditioning indoor unit 100 includes a cabinet 1, and the cabinet 1 forms an external appearance of the air conditioning indoor unit 100. The cabinet 1 includes a middle frame 11, and a front cover 12, a rear cover 15, side covers, an upper cover 13, and a lower cover 14 provided on the middle frame 11. The front cover 12 is provided on the front end surface of the center frame 11, the rear cover 15 is provided behind the front cover 12, the side covers are provided on the left and right sides of the front cover 12 and the rear cover 15, the upper cover 13 is provided above the front cover 12 and the rear cover 15, and the lower cover 14 is provided below the front cover 12 and the rear cover 15.

The indoor unit of the air conditioner can be an on-hook unit, and the indoor unit of the air conditioner can be hung on a wall, wherein the rear cover of the indoor unit of the air conditioner is close to the wall.

Referring to fig. 1 and 3, an air inlet 131 and an air outlet 18 are formed in a casing 1, the air inlet 131 is communicated with the air outlet 18 to form an air duct, the indoor unit 100 of the air conditioner further includes a heat exchanger 2 and a fan 3, the heat exchanger 2 and the fan 3 are both disposed in the air duct, the heat exchanger 2 is used for exchanging heat with indoor air, the fan 3 is used for introducing air into the air duct from the air inlet 131, and after exchanging heat with the heat exchanger 2, the air is discharged from the air outlet 18, so that the indoor unit of the air conditioner is cooled and heated.

Specifically, the air inlet 131 is formed on the upper cover 13, and the air inlet 131 may be provided with an air inlet grille 132 for filtering air and preventing larger impurities from entering the air duct. The air outlet 18 is disposed at a lower portion of the front end surface of the middle frame 11, the air duct includes an air outlet channel 19 communicated with the air outlet 18, and an air deflector 16 is installed at the air outlet 18 and used for guiding air exhausted from the air outlet channel 19 by the indoor unit 100 of the air conditioner. The wind blown out from the wind outlet 18 directly flows to the air deflection plate 16 and is blown and discharged in the direction of the air deflection plate 16, and the air deflection plate 16 is movably provided at the wind outlet 18 to open or close the wind outlet 18.

Referring to fig. 1, 4 and 5, the indoor unit 100 of the air conditioner further includes a moving mechanism 17 disposed on the casing 1, and the moving mechanism 17 is connected to the air deflector 16 to push the air deflector 16 to open or close the air outlet 18. The moving mechanism 17 includes a driving assembly 171, a first transmission assembly 172, and a connecting rod 174, the connecting rod 174 is movably disposed in the casing 1 along the extending direction of the air outlet channel 19, and the driving assembly 171 and the first transmission assembly 172 are disposed on the casing 1. The link 174 has one end connected to the driving unit 171 and the first transmission unit 172 and the other end connected to the air guide plate 16. The driving component 171 drives the first transmission component 172 to move the link 174, so as to drive the air deflector 16 to open or close the air outlet 18. Specifically, the driving assembly 171 includes a first motor 1711, and the first transmission assembly 172 includes a first rack 1721 and a first gear 1722 engaged with each other. An output shaft of the first motor 1711 is fixedly connected with a first gear 1722, and a first rack 1721 is connected with the connecting rod 174. The first motor 1711 rotates to drive the gear to rotate, so as to drive the rack to move, and then the connecting rod 174 is extended or retracted along the direction of the air outlet channel 19, so that the air deflector 16 opens or closes the air outlet 18.

With continued reference to fig. 5, the moving mechanism 17 further includes a second transmission assembly 173 connected to the driving assembly 171, the second transmission assembly 173 is disposed in the connecting rod 174 and connected to the air guiding plate 16, and the driving assembly 171 drives the second transmission assembly 173 to rotate and then drives the air guiding plate 16 to rotate. Specifically, the driving assembly 171 further includes a second motor 1712, and the second transmission assembly 173 includes two second gears 1732 spaced along the direction of the air outlet channel 19, and a closed second rack 1731 engaged with the two second gears 1732, respectively. The output shaft of the second motor 1712 is fixedly connected to a second gear 1732 far away from the air outlet 18, and the second gear 1732 near the air outlet 18 is axially connected to the air deflector 16. The second motor 1712 rotates to drive the second gear 1732 connected thereto to rotate, and then the second gear 1732 close to the air outlet 18 is driven by the second rack 1731 to rotate synchronously, the second gear 1732 is axially connected with the air deflector 16, and the rotation of the second gear can drive the air deflector 16 to swing up and down, so that air guiding of the air deflector 16 at different angles is realized. In this embodiment, the link 174 is formed by connecting two structural members by screws, and the second transmission assembly 173 is disposed in the link 174. With continued reference to fig. 4, the motion mechanism 17 further includes a case 175, and the driving assembly 171, the first transmission assembly 172, the second transmission assembly 173, and the link 174 are disposed in the case 175, and the case 175 is protected.

The indoor unit 100 further includes a screw groove 4 for receiving a screw, and a screw cover 5 detachably attached to the screw groove 4, the screw groove 4 being used to open or close the screw groove 4. When the screw cover 5 closes the screw groove 4, the screw and the screw groove 4 can be prevented from being exposed to influence the aesthetic property of the indoor unit 100 of the air conditioner, and the screw in the screw groove 4 can be effectively prevented from being rusted due to moisture.

Referring to fig. 7 to 9, a positioning protrusion 431 is provided on an inner wall of the screw groove 4, and the screw cover 5 includes a body 51, a hook 52, and a retaining arm 53. The hook 52 includes an extension arm 522 and a hooking portion 521. The trip 52 is connected at the lower extreme of body 51 and the tank bottom of joint at screw groove 4, and anticreep arm 53 is connected at the lower extreme of body 51, and the lower extreme of anticreep arm 53 is equipped with notch 531, is equipped with spacing arch 532 on two inside walls of notch 531, and notch 531 cliies location arch 431 and spacing arch 532 joint in the bottom of location arch 431. Wherein, the body 51 is matched with the screw groove 4, and the limiting projection 532 can be in various forms. In this embodiment, the limiting protrusion 532 is preferably a snap, and the hook 52 is preferably disposed opposite to the anti-slip arm 53.

The screw slot 4 includes an attachment slot 41, a first insertion hole 42 and a second insertion hole 43 provided in the bottom wall of the screw slot 4. The mounting groove 41 is located in the middle and is formed by the bottom wall of the screw groove 4 being recessed towards the bottom of the screw groove 4, and a mounting hole 411 for a screw to pass through is formed in the bottom wall of the mounting groove 41 for mounting the screw. The first insertion hole 42 and the second insertion hole 43 are disposed outside the mounting groove 41, and a positioning protrusion 431 is disposed on a sidewall of the second insertion hole 43 facing the first insertion hole 42, and is engaged with the first insertion hole 42 to fix the screw cap 5. The mounting groove 41 is communicated with the first insertion hole 42 and the second insertion hole 43, so that the mounting and dismounting of the screw are facilitated. In order to meet the configuration of the indoor unit of the air conditioner, a plurality of screw grooves 4 are arranged on the casing 1, and the number and the positions of the screw grooves are arranged according to actual requirements. Referring to fig. 6, the present embodiment exemplifies the screw groove 4 provided on the link 174 of the moving mechanism 17.

When the screw cap 5 is mounted, the hook 52 is aligned with the first insertion hole 42, the retaining arm 53 is aligned with the second insertion hole 43, and then the screw cap 5 is pressed. The hook 52 passes through the first insertion hole 42, and the clamping part 521 on the hook is clamped with the groove bottom; the anti-slip arm 53 is inserted into the second insertion hole 43, and the limit protrusions 532 on the two side walls of the notch 531 are clamped with the positioning protrusion 431, so that the screw cover 5 is fastened and installed in the screw groove 4. The trip 52 cooperates with the anti-disengaging arm 53 for the installation of screw cap 5 is more convenient, and is provided with the location arch 431 on the lateral wall of second cartridge hole 43, can play the foolproof effect when the installation of screw cap 5, improves the installation effectiveness of screw cap 5, the production of being convenient for. Further, an abutting portion 421 is arranged below the groove bottom of the screw groove 4, and the clamping portion 521 abuts against the abutting portion 421, so that the clamping portion 521 is clamped at the groove bottom of the screw groove 4.

Screw lid 5 in this embodiment, its easy dismounting, and can effectively solve among the prior art the easy cracked problem of buckle when dismantling screw lid 5. Among the prior art, the stable installation of screw lid 5 is realized through two trips 52 that set up relatively in body 51 both sides for many screw lids 5, when dismantling, pries open the trip 52 of screw lid 5 one side with the help of the instrument, causes the cracked risk of trip on the trip 52 of opposite side very easily. When this embodiment is dismantled at screw lid 5, two spacing archs 532 joints in the both sides of location arch 431, and its joint direction with joint portion 521 is different, when prizing trip 52, can not cause spacing protruding 532's fracture, the easy cracked problem of buckle when having solved dismantlement screw lid 5.

Referring to fig. 11, the positioning protrusion 431 is provided with a sliding groove 4311 for the limiting protrusion 532 to slide, an upper end of the sliding groove 4311 is provided with a first guiding inclined surface 4312, and a bottom wall of the sliding groove 4311 is provided with a second guiding inclined surface 4313. In the installation process of the screw cover 5, the limiting protrusion 532 can slide along the sliding groove 4311 and is clamped with the bottom of the positioning protrusion 431 after leaving the sliding groove 4311, so that the installation is completed. Specifically, in this process, the first and second guide inclined surfaces 4312 and 4313 guide the limit projection 532, facilitating the installation of the screw cover 5. When the screw cap 5 is installed, the limiting protrusion 532 enters the sliding groove 4311 through the first guiding inclined surface 4312 by pressing the screw cap 5, and then the pressing operation is continued, and when the screw cap reaches the bottom of the sliding groove 4311, the limiting protrusion 532 can leave the sliding groove 4311 along the second guiding inclined surface 4313 by pressing with a small force and is clamped with the bottom of the positioning protrusion 431. The structure only realizes the tight combination of the screw cover 5 and the screw groove 4 through simple pressing operation, and has simple structure and convenient operation. It should be noted that the sliding groove 4311 may have various structural forms.

Further, referring to fig. 8, the limiting protrusion 532 has a clamping plane 5321 and a clamping inclined plane 5322, the clamping plane 5321 is clamped at the bottom of the positioning protrusion 431, and the clamping inclined plane 5322 faces away from the positioning protrusion 431. During the installation of the screw cap 5, the inclined clamping surface 5322 makes the limiting protrusion 532 more easily enter and leave the sliding groove 4311, which facilitates the installation of the screw cap 5. In this embodiment, the area of the clamping plane 5321 is smaller, so that the clamping area between the clamping plane and the positioning protrusion 431 is smaller, and the disassembly is more convenient.

Referring to fig. 9, the screw cover 5 further includes a detaching portion which is an arc-shaped groove 511 formed on the outer peripheral wall of the body 51 and serves as a tool insertion opening for maintenance detachment, facilitating the operator to open the screw cover 5. Further, the extension arm 522 is formed by extending the arc-shaped side wall of the arc-shaped slot 511 along the vertical direction, and a dismounting channel is formed between the extension arm 522 and the side wall of the screw slot 4, so that the insertion of a dismounting tool is facilitated.

Specifically, referring to fig. 10, when the screw cap 5 is removed and maintained, the removing tool enters in the first direction 6 and tilts up, the engaging portion 521 moves toward the anti-disengaging arm 53, and the limiting protrusion 532 moves toward the hook 52, so that the limiting protrusion 532 does not engage with the positioning protrusion 431, and the screw cap 5 is separated. Further, a gap exists between the positioning protrusion 431 and the side wall of the notch 531 where the two limiting protrusions 532 are located, so that when the screw cover 5 is detached, the limiting protrusions 532 can normally move, and the detachment is convenient.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

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

the inner wall of the screw groove is provided with a positioning bulge; and

a screw cover connected in the screw groove;

wherein the screw cover has:

a body adapted to the screw groove;

the clamping hook is connected to the lower end of the body and clamped at the bottom of the screw groove;

the anti-disengaging arm is connected the lower extreme of body, the lower extreme of anti-disengaging arm is equipped with the notch, be equipped with spacing arch on two inside walls of notch, the notch is carried the location is protruding just spacing protruding joint in the bellied bottom in location.

2. An indoor unit of an air conditioner according to claim 1, wherein the positioning projection is provided with a slide groove for the restricting projection to slide, and an upper end of the slide groove is provided with a first guide inclined surface.

3. An indoor unit of an air conditioner according to claim 2, wherein the bottom wall of the slide groove has a second guide inclined surface.

4. An air-conditioning indoor unit according to claim 3, wherein the limiting protrusion has a clamping plane and a clamping inclined plane, the clamping plane is clamped at the bottom of the positioning protrusion, and the clamping inclined plane faces away from the positioning protrusion.

5. An indoor unit of an air conditioner according to claim 1, wherein the screw cover further includes a detaching portion which is an arc-shaped groove formed on the outer peripheral wall of the body.

6. The indoor unit of claim 5, wherein the hook comprises an extension arm and a clamping portion, the extension arm is formed by extending an arc-shaped side wall of the arc-shaped groove in the vertical direction, the clamping portion is arranged on the outer peripheral wall of the extension arm, and a dismounting channel is formed between the extension arm and the side wall of the screw groove.

7. An indoor unit of an air conditioner according to claim 1, wherein a gap is formed between the positioning projection and a side wall of the notch.

8. An indoor unit of an air conditioner according to claim 1, wherein the screw groove includes:

the mounting groove is arranged on the bottom wall of the screw groove, and a screw is mounted in the mounting groove;

the first inserting hole is formed in the bottom wall of the screw groove and is formed in the outer side of the installing groove, and the clamping hook penetrates through the first inserting hole and is clamped with the groove bottom of the screw groove;

the second insertion hole is formed in the bottom wall of the screw groove, and the positioning protrusion is arranged on the side wall of the second insertion hole.

9. An indoor unit of an air conditioner according to claim 8, wherein a middle portion of a bottom wall of the screw groove is recessed in a direction of a bottom of the screw groove to form a mounting groove, and a mounting hole for a screw to pass through is formed in a bottom wall of the mounting groove.

10. An indoor unit of an air conditioner according to claim 1, wherein the hook is provided opposite to the separation preventing arm.

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