An air conditioner indoor unit

Abstract

This utility model provides an indoor air conditioner unit, including a base; a middle frame mounted on the base, and the middle frame having an installation opening; an electrical control box mounted on the base, and the opening of the electrical control box corresponding to the installation opening; a middle frame wiring cover, which cooperates with the middle frame to cover the opening; and a reinforcing rib plate surrounding the side of the middle frame wiring cover near the electrical control box; wherein, the middle frame wiring cover is provided with a first limiting member, which, when the middle frame wiring cover is installed to the middle frame, is inserted between the middle frame and the electrical control box to compress the electrical control box and / or the middle frame to form an installation gap for the reinforcing rib plate; the technical problem solved by this utility model is that the electrical control box in the prior art is integrally molded by injection molding, and when the electrical control box is installed to the indoor air conditioner unit, the position of the electrical control box is prone to displacement, resulting in the installation gap between the middle frame and the electrical control box being less than the thickness of the reinforcing rib plate, making it difficult to insert the reinforcing rib plate into the installation gap, thereby increasing the installation difficulty of the middle frame wiring cover during the installation process.

Description

Technical Field

[0001] This utility model relates to the technical field of air conditioners, and more specifically, to an indoor unit of an air conditioner. Background Technology

[0002] The indoor unit of an air conditioner is one of its core components, responsible for regulating indoor temperature and humidity and improving air quality. Inside the indoor unit, the control box serves as the central control hub for the entire unit and the air conditioning system. This box integrates circuit boards, sensors, and precision switches, and is responsible for accurately managing the various operating states of the indoor unit. To prevent dust and moisture from entering the control box and damaging the circuit boards, sensors, and switches, a cover is typically installed to shield the opening of the control box.

[0003] In the prior art, in order to reduce costs, the relevant structure of the electrical control box cover is integrated into the middle frame wiring cover. One end of the middle frame wiring cover is inserted into the installation space between the opening end of the electrical control box and the middle frame, and the other end cooperates with the middle frame. Ribs are set around the middle frame wiring cover to seal the electrical control box after assembly, thus serving as a substitute for the electrical control box cover.

[0004] However, the relevant technology has at least one of the following problems: the electrical control box in the prior art is integrally molded by injection molding. When the electrical control box is installed in the indoor unit of the air conditioner, the position of the electrical control box is prone to displacement, which causes the installation gap between the middle frame and the electrical control box to be less than the thickness of the stiffener plate, making it difficult to insert the stiffener plate into the installation gap, thereby increasing the installation difficulty of the middle frame wiring cover during the installation process. Utility Model Content

[0005] The technical problem solved by this utility model is that the electrical control box in the prior art is integrally molded by injection molding. When the electrical control box is installed in the indoor unit of the air conditioner, the position of the electrical control box is prone to displacement, which causes the installation gap between the middle frame and the electrical control box to be less than the thickness of the stiffening plate. This makes it difficult to insert the stiffening plate into the installation gap, thereby increasing the installation difficulty of the wiring cover of the middle frame during the installation process.

[0006] To solve the above-mentioned technical problems, this utility model provides an air conditioner indoor unit, which includes: a base; a middle frame, the middle frame being installed on the base and having an installation opening; an electrical control box, the electrical control box being installed on the base and having an opening corresponding to the installation opening; a middle frame wiring cover, the middle frame wiring cover cooperating with the middle frame to cover the opening; and a reinforcing rib, the reinforcing rib surrounding the side of the middle frame wiring cover near the electrical control box; wherein, the middle frame wiring cover is provided with a first limiting member, which, when the middle frame wiring cover is installed on the middle frame, is inserted between the middle frame and the electrical control box to compress the electrical control box and / or the middle frame to form the installation gap of the reinforcing rib.

[0007] Compared with the existing technology, the technical effects achieved by adopting this technical solution are as follows: This solution sets a first limiting member on the middle frame wiring cover so that when the middle frame wiring cover is installed on the middle frame, the first limiting member is inserted between the middle frame and the electrical control box to squeeze the electrical control box and / or the middle frame, causing the electrical control box and / or the middle frame to deform and leave an installation gap. Then, the reinforcing rib plate is inserted into the installation gap, thereby reducing the installation difficulty of the middle frame wiring cover and increasing the convenience of the installation process.

[0008] In one embodiment of this utility model, the indoor unit of the air conditioner further includes: the first limiting member is an extension formed by the reinforcing rib plate protruding from the side of the middle frame wiring cover that cooperates with the electrical control box.

[0009] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: This solution sets the first limiting member as an extension protruding from the reinforcing rib plate to the side where the middle frame wiring cover and the electrical control box cooperate. When the middle frame wiring cover is installed to the middle frame, the extension is first inserted into the installation gap. Therefore, even if there is deformation of the electrical control box, the middle frame wiring cover can be smoothly installed into the installation gap because the extension has been inserted into the installation gap, and the connected reinforcing rib plate can also push away the interference part of the electrical control box. This further increases the convenience of the middle frame wiring cover during the installation process.

[0010] In one embodiment of this utility model, the thickness of the extension gradually decreases along the extension direction of the extension.

[0011] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: This solution sets the thickness of the extension part to gradually decrease along the extension direction of the extension part, so as to facilitate the insertion of the extension part into the installation gap.

[0012] In one embodiment of this utility model, the reinforcing rib plate includes: a first reinforcing rib disposed at the first end of the middle frame wiring cover; a second reinforcing rib disposed at the second end of the middle frame wiring cover, and the second reinforcing rib is disposed opposite to the first reinforcing rib; and a third reinforcing rib disposed between the first reinforcing rib and the second reinforcing rib, with one end of the third reinforcing rib connected to the first reinforcing rib and the other end connected to the second reinforcing rib; wherein, when the middle frame wiring cover is installed on the middle frame, the first reinforcing rib is located between the middle frame and the electrical control box, and an extension is disposed at the end of the first reinforcing rib near the third reinforcing rib.

[0013] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: This solution increases the sealing between the middle frame wiring cover and the electrical control box by setting the first, second and third surrounding ribs, so as to prevent dust and moisture from entering the electrical control box and damaging the electrical components inside the electrical control box.

[0014] Furthermore, the extension is located at one end of the first rib near the third rib, so that when the wiring cover of the middle frame is installed at the opening of the electrical control box, the extension can be inserted into the installation gap first, so that the electrical control box deforms to leave the installation gap, and then the first rib is inserted into the installation gap, which increases the convenience of inserting the extension between the middle frame and the electrical control box.

[0015] In one embodiment of this utility model, the middle frame is provided with a second limiting member. When the wiring cover of the middle frame is installed to the middle frame, the first surrounding rib abuts between the second limiting member and the electrical control box.

[0016] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: By setting a second limiting member, when the middle frame wiring cover is installed to the middle frame, the first surrounding rib abuts between the second limiting member and the electrical control box, thereby restricting the movement of the middle frame wiring cover relative to the electrical control box, thus increasing the stability of the middle frame wiring cover after it is installed and fitted with the middle frame.

[0017] In one embodiment of this utility model, a slot is provided between the first and third ribs. When the wiring cover of the middle frame is installed on the middle frame, the third rib is inserted into the inside of the electrical control box, and the slot is engaged with the electrical control box.

[0018] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: This solution increases the stability of the middle frame wiring cover being installed in the electrical control box by setting a slot so that the reinforcing plate of the middle frame wiring cover can be engaged with the electrical control box in a snap-fit ​​manner.

[0019] In one embodiment of this utility model, the electrical control box has a first recessed portion at the snap-fit ​​point that mates with the slot. When the wiring cover of the middle frame is installed onto the middle frame, the slot snaps into the first recessed portion.

[0020] Compared with the prior art, the technical effects achieved by adopting this technical solution are as follows: On the one hand, this solution increases the sealing performance of the reinforcing rib plate after it is fitted with the control box by setting a first recess at the engagement point that mates with the slot to avoid the slot; on the other hand, when the extension is inserted into the installation gap, the first recess can avoid the extension, increasing the space for the extension to be inserted into the installation gap, thereby further increasing the convenience of inserting the extension into the installation gap.

[0021] In one embodiment of this utility model, the second limiting member is provided with a second recess for avoiding the extension, so that the extension can be inserted between the middle frame and the electrical control box.

[0022] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: By setting a second recess in the middle frame, the second recess can further avoid the extension when the extension is inserted into the installation gap, thereby further increasing the space for the extension to be inserted into the installation gap and thus further increasing the convenience of inserting the extension into the installation gap.

[0023] In one embodiment of this utility model, one end of the middle frame wiring cover is inserted into the installation space between the mounting port and the opening; the inner wall of the middle frame is provided with a first protrusion, and the first end of the middle frame wiring cover near the third rib is provided with a second protrusion. When the middle frame wiring cover is inserted into the installation space, the second protrusion abuts against the first protrusion, and the second protrusion is located below the first protrusion.

[0024] Compared with the existing technology, the technical effects achieved by adopting this technical solution are as follows: By setting a first protrusion and a second protrusion, when the middle frame wiring cover is inserted into the installation space, the second protrusion abuts against the first protrusion. When installing the middle frame wiring cover, it is only necessary to insert the second protrusion under the first protrusion. When disassembling the middle frame wiring cover, it is only necessary to open the other end of the middle frame wiring cover and then pull the middle frame wiring cover out in the extension direction of the first protrusion, thereby increasing the convenience of the middle frame wiring cover in the disassembly and assembly process.

[0025] In one embodiment of this utility model, the middle frame wiring cover is provided with a first screw hole at the second end opposite to the first end, and a second screw hole is provided at the position opposite to the first screw hole on the middle frame. When the middle frame wiring cover is installed on the middle frame, the middle frame wiring cover is fixed by screws passing through the first screw hole and engaging with the second screw hole.

[0026] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: This solution increases the stability of the connection between the middle frame wiring cover and the middle frame by setting the middle frame wiring cover to be screwed together.

[0027] By adopting the technical solution of this utility model, the following technical effects can be achieved:

[0028] (1) The present invention provides an indoor air conditioner unit. The present invention provides a first limiting member by setting a first limiting member on the wiring cover of the middle frame. When the wiring cover of the middle frame is installed on the middle frame, the first limiting member is inserted between the middle frame and the electrical control box to squeeze the electrical control box and / or the middle frame, so that the electrical control box and / or the middle frame are deformed to leave an installation gap. Then, the reinforcing plate is inserted into the installation gap, thereby reducing the installation difficulty of the wiring cover of the middle frame during the installation process and increasing the convenience of the wiring cover of the middle frame during the installation process.

[0029] (2) Furthermore, by setting the first limiting member as an extension protruding from the reinforcing rib plate to the side where the middle frame wiring cover and the electrical control box cooperate, when the middle frame wiring cover is installed to the middle frame, the extension is first inserted into the installation gap. Thus, even if the electrical control box is deformed, the middle frame wiring cover can be smoothly installed into the installation gap because the extension has been inserted into the installation gap, and the connected reinforcing rib plate can also squeeze open the interference part of the electrical control box. This further increases the convenience of the middle frame wiring cover during the installation process. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 One of the partial structural schematic diagrams of an air conditioner indoor unit provided in this embodiment of the present utility model;

[0032] Figure 2 for Figure 1 A magnified view of region A in the middle;

[0033] Figure 3 for Figure 2 A magnified view of region B in the middle;

[0034] Figure 4 A second partial structural schematic diagram of an indoor air conditioner unit provided for an embodiment of this utility model;

[0035] Figure 5 for Figure 4 A magnified view of region C in the middle;

[0036] Figure 6 This is a schematic diagram of the structure of the wiring cover of the middle frame of an air conditioner indoor unit when it is installed to the middle frame, according to an embodiment of the present utility model.

[0037] Figure 7 for Figure 6 A cross-sectional view of PP;

[0038] Figure 8 for Figure 7 A magnified view of region D in the middle;

[0039] Figure 9 A schematic diagram of the structure of the wiring cover of the middle frame of an air conditioner indoor unit when it is fitted with fireproof sheet metal, provided for an embodiment of this utility model;

[0040] Figure 10 for Figure 9 A magnified view of region E in the middle;

[0041] Figure 11 A schematic diagram of the structure of the wiring cover of the middle frame of an air conditioner indoor unit provided in this embodiment of the present utility model;

[0042] Figure 12 This is a structural schematic diagram of a fireproof sheet metal for an indoor air conditioning unit, provided as an embodiment of the present utility model.

[0043] Explanation of reference numerals in the attached figures:

[0044] 100. Middle frame; 110. Mounting port; 120. Second limiting component; 130. Second recessed portion; 140. First protrusion; 150. Second screw hole; 200. Electrical control box; 210. Opening; 220. First recessed portion; 300. Middle frame wiring cover; 310. Second protrusion; 320. First screw hole; 400. Reinforcing rib plate; 410. First reinforcing rib; 411. Extension; 412. Third protrusion; 420. Second reinforcing rib; 430. Third reinforcing rib; 440. Slot; 500. Mounting gap; 600. Fireproof sheet metal; 610. Bending portion; 611. Third recessed portion. Detailed Implementation

[0045] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0046] like Figures 1 to 12 The image shows an indoor air conditioning unit provided in an embodiment of this utility model.

[0047] like Figures 1 to 8 As shown, this utility model provides an air conditioner indoor unit, which includes a base, a middle frame 100, an electrical control box 200, a middle frame wiring cover 300, and a reinforcing rib plate 400 surrounding the middle frame wiring cover 300 on the side near the electrical control box 200. Specifically, the middle frame 100 is installed on the base, and the middle frame 100 is provided with an installation port 110. The electrical control box 200 is installed on the base, and the opening 210 of the electrical control box 200 is provided corresponding to the installation port 110. The middle frame wiring cover 300 cooperates with the middle frame 100 to cover the opening 210. The reinforcing rib plate 400 surrounds the side of the middle frame wiring cover 300 near the electrical control box 200. The middle frame wiring cover 300 is provided with a first limiting member. When the middle frame wiring cover 300 is installed on the middle frame 100, the first limiting member is inserted between the middle frame 100 and the electrical control box 200 to compress the electrical control box 200 and / or the middle frame 100 to form an installation gap 500 for the reinforcing rib plate 400.

[0048] Specifically, this solution involves setting a first limiting member on the middle frame wiring cover 300. When the middle frame wiring cover 300 is installed onto the middle frame 100, the first limiting member is inserted between the middle frame 100 and the electrical control box 200 to compress the electrical control box 200 or the middle frame 100, causing the electrical control box 200 and / or the middle frame 100 to deform and create an installation gap 500. Then, the reinforcing rib plate 400 is inserted into the installation gap 500, thereby reducing the installation difficulty of the middle frame wiring cover 300 and increasing the convenience of the installation process.

[0049] like Figures 1 to 12 As shown, the indoor unit of the air conditioner provided in this embodiment of the present invention also includes a fireproof sheet metal 600. The fireproof sheet metal 600 is installed on the side of the middle frame wiring cover 300 near the electrical control box 200. The fireproof sheet metal 600 is provided with a bent portion 610 adapted to the reinforcing rib plate 400. The bent portion 610 is provided with a plurality of third recesses 611. The reinforcing rib plate 400 is provided with a plurality of third protrusions 412 that cooperate with the third recesses 611. When the fireproof sheet metal 600 is installed inside the middle frame wiring cover 300, the third protrusions 412 abut against the third recesses 611 to prevent the fireproof sheet metal 600 from coming out of the middle frame wiring cover 300, thereby ensuring the stability of the fireproof sheet metal 600 installed inside the middle frame wiring cover 300.

[0050] In another embodiment, the air conditioner indoor unit provided by this utility model also includes a fireproof sheet metal 600. The fireproof sheet metal 600 is installed on the side of the middle frame wiring cover 300 near the electrical control box 200. The fireproof sheet metal 600 is provided with a bent portion 610 adapted to the reinforcing rib plate 400. The reinforcing rib plate 400 is provided with a plurality of third protrusions 412. When the fireproof sheet metal 600 is installed inside the middle frame wiring cover 300, the bent portion 610 abuts against the third protrusions 412 to fix the fireproof sheet metal 600.

[0051] like Figures 1 to 5 As shown, in one embodiment of this utility model, the first limiting member is an extension 411 formed by the reinforcing rib plate 400 protruding from the side of the middle frame wiring cover 300 that cooperates with the electrical control box 200.

[0052] Specifically, this solution involves setting a reinforcing rib plate 400 that is at least partially inserted into the installation gap 500, and an extension 411 formed by the first limiting member protruding from the reinforcing rib plate 400 toward the side where the middle frame wiring cover 300 mates with the electrical control box 200. When the middle frame wiring cover 300 is installed onto the middle frame 100, the extension 411 is first inserted into the installation gap 500. Thus, even if the electrical control box 200 is deformed, the middle frame wiring cover 300 can still be smoothly installed into the installation gap 500 because the extension 411 has been inserted into the installation gap 500, and the connecting reinforcing rib plate 400 can also push aside the interference part of the electrical control box 200. This further increases the convenience of the middle frame wiring cover 300 during the installation process.

[0053] In one embodiment of the present invention, the thickness of the extension 411 gradually decreases along the extension direction of the extension 411.

[0054] Specifically, this solution involves setting the thickness of the extension 411 to gradually decrease along the extension direction of the extension 411, so as to facilitate the insertion of the extension 411 into the installation gap 500.

[0055] like Figures 1 to 9 As shown, in one embodiment of this utility model, the reinforcing rib plate 400 includes a first reinforcing rib 410, a second reinforcing rib 420, and a third reinforcing rib 430. Specifically, the first reinforcing rib 410 is disposed at the first end of the middle frame wiring cover 300, the second reinforcing rib 420 is disposed at the second end of the middle frame wiring cover 300, and the second reinforcing rib 420 is disposed opposite to the first reinforcing rib 410. The third reinforcing rib 430 is disposed between the first reinforcing rib 410 and the second reinforcing rib 420, and one end of the third reinforcing rib 430 is connected to the first reinforcing rib 410, and the other end is connected to the second reinforcing rib 420. When the middle frame wiring cover 300 is installed on the middle frame 100, the first reinforcing rib 410 is located between the middle frame 100 and the electrical control box 200, and the extension portion 411 is disposed at the end of the first reinforcing rib 410 near the third reinforcing rib 430.

[0056] Specifically, this solution increases the sealing between the middle frame wiring cover 300 and the electrical control box 200 by setting the first surrounding rib 410, the second surrounding rib 420 and the third surrounding rib 430, so as to prevent dust and moisture from entering the electrical control box 200 and damaging the electrical components inside the electrical control box 200.

[0057] Furthermore, the extension 411 is provided at one end of the first rib 410 near the third rib 430, so that when the middle frame wiring cover 300 is installed at the opening 210 of the electrical control box 200, the extension 411 can be inserted into the installation gap 500 first, so that the electrical control box 200 deforms to leave the installation gap 500, and then the first rib 410 is partially inserted into the installation gap 500, which increases the convenience of inserting the extension 411 between the middle frame 100 and the electrical control box 200.

[0058] like Figures 1 to 5 As shown, in one embodiment of this utility model, the middle frame 100 is provided with a second limiting member 120. When the middle frame wiring cover 300 is installed on the middle frame 100, the first surrounding rib 410 abuts between the second limiting member 120 and the electrical control box 200.

[0059] Specifically, this solution sets a second limiting member 120 so that when the middle frame wiring cover 300 is installed to the middle frame 100, the first surrounding rib 410 abuts between the second limiting member 120 and the electrical control box 200 to restrict the movement of the middle frame wiring cover 300 relative to the electrical control box 200, thereby increasing the stability of the middle frame wiring cover 300 after it is installed and fitted with the middle frame 100.

[0060] like Figures 1 to 5 As shown, in one embodiment of this utility model, a slot 440 is provided between the first rib 410 and the third rib 430. When the middle frame wiring cover 300 is installed on the middle frame 100, the third rib 430 is inserted into the inside of the electrical control box 200, and the slot 440 is engaged with the electrical control box 200.

[0061] Specifically, this solution uses a slot 440 to allow the reinforcing rib plate 400 of the middle frame wiring cover 300 to engage with the electrical control box 200 in a snap-fit ​​manner, thereby increasing the stability of the middle frame wiring cover 300 when installed in the electrical control box 200.

[0062] like Figures 1 to 5 As shown, in one embodiment of this utility model, the electrical control box 200 has a first recess 220 at the snap-fit ​​point that cooperates with the slot 440. When the middle frame wiring cover 300 is installed on the middle frame 100, the slot 440 snaps into the first recess 220.

[0063] Specifically, on the one hand, this solution increases the sealing performance of the rib plate 400 after it is fitted with the rib plate 400 and the rib plate 200 by setting a first recess 220 at the engagement point of the rib plate 440 to avoid the rib plate 440; on the other hand, when the extension 411 is inserted into the installation gap 500, the first recess 220 can avoid the extension 411, increasing the space for the extension 411 to be inserted into the installation gap 500, thereby further increasing the convenience of inserting the extension 411 into the installation gap 500.

[0064] like Figures 1 to 5 As shown, in one embodiment of the present invention, the second limiting member 120 is provided with a second recess 130 for avoiding the extension 411, so that the extension 411 can be inserted between the middle frame 100 and the electrical control box 200.

[0065] Specifically, this solution provides a second recess 130 in the second limiting member 120 so that when the extension 411 is inserted into the mounting gap 500, the second recess 130 can further avoid the extension 411, further increasing the space for the extension 411 to be inserted into the mounting gap 500, thereby further increasing the convenience of inserting the extension 411 into the mounting gap 500.

[0066] like Figure 4 and Figure 5 As shown, the second recess 130 is formed by the second limiting member 120 disposed on the middle frame 100 at a position opposite to the first recess 220 by reducing the amount of adhesive used, thereby reducing the material cost of the middle frame 100.

[0067] like Figures 6 to 8 As shown, in one embodiment of this utility model, one end of the middle frame wiring cover 300 is inserted into the mounting space between the mounting port 110 and the opening 210; the inner wall of the middle frame 100 is provided with a first protrusion 140, and the first end of the middle frame wiring cover 300 near the third rib 430 is provided with a second protrusion 310. When the middle frame wiring cover 300 is inserted into the mounting space, the second protrusion 310 abuts against the first protrusion 140, and the second protrusion 310 is located below the first protrusion 140.

[0068] Specifically, this solution provides a first protrusion 140 and a second protrusion 310. When the middle frame wiring cover 300 is inserted into the installation space, the second protrusion 310 abuts against the first protrusion 140. When installing the middle frame wiring cover 300, it is only necessary to insert the second protrusion 310 under the first protrusion 140. When disassembling the middle frame wiring cover 300, it is only necessary to open the other end of the middle frame wiring cover 300 and then pull the middle frame wiring cover 300 out in the extension direction of the first protrusion 140, thereby increasing the convenience of the middle frame wiring cover 300 in the process of disassembly and assembly.

[0069] like Figures 1 to 9 As shown, in one embodiment of this utility model, the middle frame wiring cover 300 is provided with a first screw hole 320 at the second end opposite to the first end, and the middle frame 100 is provided with a second screw hole 150 at the position opposite to the first screw hole 320. When the middle frame wiring cover 300 is installed on the middle frame 100, the middle frame wiring cover 300 is fixed by screws passing through the first screw hole 320 and engaging with the second screw hole 150.

[0070] Specifically, this solution increases the stability of the connection between the middle frame wiring cover 300 and the middle frame 100 by screwing them together.

[0071] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. An air conditioner indoor unit characterized by comprising: The indoor unit of the air conditioner includes: Base; A middle frame (100) is mounted on the base, and the middle frame (100) is provided with a mounting port (110). An electrical control box (200) is installed on the base, and the opening (210) of the electrical control box (200) is provided corresponding to the mounting port (110); A middle frame wiring cover (300) is provided, which cooperates with the middle frame (100) to cover the opening (210). A reinforcing rib plate (400) is provided around the middle frame wiring cover (300) on the side near the electrical control box (200); The middle frame wiring cover (300) is provided with a first limiting member. When the middle frame wiring cover (300) is installed on the middle frame (100), the first limiting member is inserted between the middle frame (100) and the electrical control box (200) to compress the electrical control box (200) and / or the middle frame (100) to form the installation gap (500) of the reinforcing rib plate (400). 2.The indoor unit of the air conditioner according to claim 1, characterized by, The first limiting member is an extension (411) formed by the rib plate (400) protruding from the side of the middle frame wiring cover (300) that cooperates with the electrical control box (200). 3.The indoor unit of the air conditioner according to claim 2, characterized by, The thickness of the extension (411) gradually decreases along the extension direction of the extension (411). 4.The indoor unit of the air conditioner according to claim 2, characterized by, The reinforcing rib (400) includes: The first surrounding rib (410) is disposed at the first end of the middle frame wiring cover (300); The second rib (420) is disposed at the second end of the middle frame wiring cover (300), and the second rib (420) is disposed opposite to the first rib (410); The third rib (430) is disposed between the first rib (410) and the second rib (420), and one end of the third rib (430) is connected to the first rib (410) and the other end is connected to the second rib (420); When the wiring cover (300) of the middle frame is installed on the middle frame (100), the first rib (410) is located between the middle frame (100) and the electrical control box (200), and the extension (411) is disposed at the end of the first rib (410) near the third rib (430). 5.The indoor unit of the air conditioner according to claim 4, characterized by, The middle frame (100) is provided with a second limiting member (120). When the middle frame wiring cover (300) is installed on the middle frame (100), the first surrounding rib (410) abuts between the second limiting member (120) and the electrical control box (200). 6.The indoor unit of the air conditioner according to claim 4, characterized by, A slot (440) is provided between the first rib (410) and the third rib (430). When the wiring cover (300) of the middle frame is installed on the middle frame (100), the third rib (430) is inserted into the interior of the electrical control box (200), and the slot (440) is engaged with the electrical control box (200).

7. The indoor unit of the air conditioner according to claim 6, characterized in that, The electrical control box (200) has a first recess (220) at the snap-fit ​​point that cooperates with the slot (440). When the middle frame wiring cover (300) is installed on the middle frame (100), the slot (440) snaps into the first recess (220).

8. The indoor unit of the air conditioner according to claim 5, characterized in that, The second limiting member (120) is provided with a second recess (130) for avoiding the extension (411) so that the extension (411) can be inserted between the middle frame (100) and the electrical control box (200). 9.The air conditioning indoor unit according to any one of claims 4-8, characterized in that, One end of the middle frame wiring cover (300) is inserted into the mounting space between the mounting port (110) and the opening (210); The inner wall of the middle frame (100) is provided with a first protrusion (140), and the middle frame wiring cover (300) is provided with a second protrusion (310) at the first end near the third rib (430). When the middle frame wiring cover (300) is inserted into the installation space, the second protrusion (310) abuts against the first protrusion (140), and the second protrusion (310) is located below the first protrusion (140).

10. The indoor unit of the air conditioner according to claim 9, characterized in that, The middle frame wiring cover (300) is provided with a first screw hole (320) at the second end opposite to the first end. The middle frame (100) is provided with a second screw hole (150) at the position opposite to the first screw hole (320). When the middle frame wiring cover (300) is installed on the middle frame (100), the middle frame wiring cover (300) is fixed by screws passing through the first screw hole (320) and cooperating with the second screw hole (150).

Images