WO2023165259A1 - Air conditioner indoor unit and air conditioner - Google Patents

Abstract

The present application provides an air conditioner indoor unit and an air conditioner, belonging to the technical field of air conditioners. One end of a fresh air pipe of the air conditioner indoor unit is connected to an indoor unit housing, and the other end of the fresh air pipe is connected to a first section of a fresh air pipe cap. A second section of the fresh air pipe cap comprises a first area and a second area, the second area being provided with air inlet holes. A rotating assembly comprises an air cap cover, the air cap cover being rotatably arranged in the second section of the fresh air pipe cap. The air conditioner comprises an air conditioner outdoor unit and an air conditioner indoor unit. When the air conditioner indoor unit is in a non-fresh air mode, the air cap cover closes the air inlet holes of the second area, preventing outdoor air from coming indoors. Outdoor airborne dust and detritus are blocked by the air cap cover and are unable to pass through said cover and enter the fresh air pipe via the air inlet holes. That is, outdoor airborne dust and detritus are prevented from entering the fresh air pipe.

Description

Air conditioner indoor unit and air conditioner

This application claims the priority of the Chinese patent application with the application number 202210212763.7 and the application name "air-conditioning indoor unit and air conditioner" submitted to the China Patent Office on March 4, 2022, the entire contents of which are incorporated in this application by reference.

technical field

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

Background technique

An air conditioner is a household device commonly used in our daily life. It can adjust parameters such as temperature, humidity, cleanliness, and air velocity of the air in the room to meet the comfort requirements of the human body. Generally, an air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit that work in cooperation with each other.

In related technologies, the air conditioner is usually equipped with a fresh air function, and the air conditioner with the fresh air function can enter outdoor air to improve parameters such as oxygen content of indoor air, thereby achieving the purpose of improving indoor air quality. Specifically, the indoor unit of the air conditioner is provided with a fresh air passage, and an inlet end of the fresh air passage is provided with a fresh air pipe, and the fresh air pipe is used to introduce outdoor fresh air into the fresh air passage.

However, when the indoor unit of the air conditioner is in the non-fresh air mode, outdoor dust and debris will enter the fresh air duct from the outside.

Contents of the invention

The present application provides an air conditioner indoor unit and an air conditioner, which are used to solve the problem that outdoor dust and debris will enter the fresh air pipe from the outside when the air conditioner is in a non-fresh air mode.

In order to achieve the above object, the application provides the following technical solutions:

An aspect of the embodiments of the present application provides an air conditioner indoor unit, including a casing, a fresh air duct, a fresh air duct cap, and a rotating assembly;

The fresh air duct cap includes a first section and a second section connected to each other, one end of the fresh air duct is connected to the casing, and the other end of the fresh air duct is connected to the first section of the fresh air duct cap. section connection, the rotating assembly is detachably installed in the second section of the fresh air duct cap;

The second section of the fresh air duct cap includes a first area and a second area, the first area and the second area are arranged opposite to the axis of the fresh air duct cap, and the first area is provided with further wind hole;

The rotating assembly includes a wind cap cover, the wind cap cover is rotatably arranged in the second section of the fresh air duct cap, and the wind cap cover is used to open or close the air inlet hole in the second area.

In one possible implementation manner, the first area includes a first side wall and a first end wall, the second area includes a second side wall and a second end wall, and the first side wall and the The second side wall is opposite to each other, the first side wall and the second side wall are connected to each other to form a cylindrical side wall, and the first end wall is located on the first side wall away from the fresh air pipe cap One end of the first section, the second end wall is located at the end of the first section of the second side wall away from the fresh air pipe cap, the first end wall and the second end wall are connected to each other Forming a circular end wall, the air inlet holes are both provided on the second side wall and the second end wall;

The wind cap cover includes a first wind cap cover side wall and a first wind cap cover end wall, one end of the first wind cap cover side wall is connected to the first wind cap cover end wall, and when the wind cap cover is in a closed state, the first wind cap cover A wind cap cover side wall closes the air inlet hole on the second side wall, and the first wind cap cover end wall closes the air inlet hole on the second end wall.

In one possible implementation manner, the rotating assembly further includes a motor and a motor bracket, and the motor bracket is used to fix the motor in the cylindrical side wall;

The wind cap cover also includes a second wind cap cover end wall, the second wind cap cover end wall is connected to one end of the first wind cap cover side wall, and the second wind cap cover end wall is connected to the first wind cap cover end wall. The walls are arranged opposite to each other, and the end wall of the second air cap cover is fixedly connected with the motor shaft of the motor;

When the motor drives the wind cap cover to rotate in the first direction through the motor shaft, it is used to make the side wall of the first wind cap cover close the air inlet hole on the second side wall, and the end of the first wind cap cover The wall closes the air inlet hole on the second end wall; when the motor drives the wind cap cover to rotate in the second direction opposite to the first direction through the motor shaft, it is used to make the first wind cap cover The side wall opens the air inlet hole on the second side wall, and the first air cap cover end wall opens the air inlet hole on the second end wall.

In one possible implementation manner, a restriction protrusion is provided on the inner side of the first side wall, and the restriction protrusion is located at an end where the first side wall intersects with the second side wall, and the restriction protrusion is along the Extending along the axis of the fresh air duct cap, the side wall of the first air cap abuts against the limiting protrusion when the air cap is in an open or closed state.

In one possible implementation manner, the rotating assembly further includes a hood shaft and a hood buckle, and a fixing groove is provided on a side of the end wall of the first hood cover close to the end wall of the second hood cover. The groove is engaged with the hood, and the center of the circular end wall is provided with a rotating hole. One end of the hood rotating shaft is rotatably inserted in the rotating hole, and the other end of the hood rotating shaft passes through the hood. The buckle is fixed in the fixing groove.

In one possible implementation manner, the hood rotating shaft includes a first circular axis, a second circular axis, a third circular axis and a fourth circular axis, the first circular axis, the second circular axis, the The third round shaft and the fourth round shaft are sequentially connected along the direction in which the end wall of the second wind cap points to the end wall of the first wind cap, the first round shaft is located in the fixing groove, The second round shaft is clamped on the end wall of the first wind cap cover, the third round shaft is located on a side of the end wall of the first wind cap cover away from the end wall of the second wind cap cover, and the first round shaft is The four circular shafts are rotatably inserted in the rotating holes.

In one possible implementation manner, the fourth circular shaft includes a first elastic stepped shaft and a second elastic stepped shaft, and the first elastic stepped shaft and the second elastic stepped shaft are fixed on the third On the circular shaft, the first elastic stepped shaft and the second elastic stepped shaft are arranged opposite to the axis of the third circular shaft, and a Elastic spacing.

In one possible implementation manner, the motor bracket includes a fixed ring, a fixed seat and a plurality of support plates, the fixed seat is located at the center of the fixed ring, and the plurality of support plates are connected to the fixed ring and between the fixed seat;

The motor is fixed on the fixing seat by bolts, and the fixing ring is provided with a plurality of elastic limiting walls, and the plurality of elastic limiting walls are arranged at intervals in the circumferential direction of the fixing ring, and the new The second section of the air duct cap is provided with a plurality of locking holes which are engaged with the plurality of elastic limiting walls.

In one possible implementation manner, it further includes a rubber ring, the rubber ring is set on the area of the second section of the fresh air duct cap corresponding to the fixing ring, and the rubber ring is used to block multiple the card hole.

Another aspect of the present application provides an air conditioner, including an air conditioner outdoor unit and the above-mentioned air conditioner indoor unit, where the air conditioner outdoor unit and the air conditioner indoor unit cooperate with each other.

Those skilled in the art can understand that, in the air conditioner indoor unit and air conditioner provided by the present application, the fresh air pipe cap includes a first section and a second section connected to each other, one end of the fresh air pipe is connected to the casing, and the fresh air The other end of the pipe is connected with the first section of the fresh air duct cap, and the rotating assembly is detachably installed in the second section of the fresh air duct cap; the second section of the fresh air duct cap includes the first area and the second area, and the second section The first area and the second area are arranged opposite to the axis of the fresh air pipe cap, and the first area is provided with an air inlet; the rotating assembly includes a wind cap cover, and the air cap cover is rotatably arranged in the second section of the fresh air pipe cap. When the indoor unit of the air conditioner is in the fresh air mode, the wind cap cover opens the air inlet hole in the second area, and the outdoor air enters the fresh air duct through the air inlet hole in the second area to realize fresh air replacement; when the indoor unit of the air conditioner is in the non-fresh air mode, the air cap cover Close the air inlet hole in the second area, so that the outdoor air cannot enter the room, and the outdoor floating dust or debris is blocked by the wind cap cover, and cannot enter the fresh air duct through the air inlet hole through the fresh air duct cap, so that the outdoor floating dust or debris can be avoided. Chips enter the fresh air duct.

Description of drawings

Preferred implementations of the air conditioner indoor unit and the air conditioner of the present application will be described below with reference to the accompanying drawings. Attached are:

FIG. 1 is a schematic structural diagram of an air conditioner indoor unit provided in an embodiment of the present application;

FIG. 2 is a partial structural schematic diagram of the air conditioner indoor unit provided in FIG. 1;

Fig. 3 is a schematic structural view of opening the fresh air duct cap of the rotating assembly provided by the embodiment of the present application;

Fig. 4 is a schematic cross-sectional structure diagram of opening the fresh air pipe cap by the rotating assembly provided in Fig. 3;

Fig. 5 is a schematic structural diagram of the rotation assembly provided in the embodiment of the present application to close the cap of the fresh air duct;

Fig. 6 is a schematic cross-sectional structure diagram of the fresh air pipe cap closed by the rotating assembly provided in Fig. 5;

Fig. 7 is a schematic structural view of the new air duct cap provided by the embodiment of the present application;

Fig. 8 is a schematic cross-sectional structure diagram of the fresh air pipe cap provided in Fig. 7;

Fig. 9 is a schematic structural diagram of a rotating assembly provided by an embodiment of the present application;

Fig. 10 is a schematic structural view of the wind cap of Fig. 9;

Fig. 11 is a structural schematic diagram of the motor bracket and the motor of Fig. 9;

Fig. 12 is a schematic structural view of the hood buckle of Fig. 9;

FIG. 13 is a schematic structural view of the hood rotating shaft in FIG. 9 .

In the attached picture:

10-casing; 20-fresh air pipe; 21-connector; 22-retainer ring; 30-fresh air pipe cap; 301-air inlet hole; 305-card slot; 31-first section; 32-second section; 321-first area; 322-second area; 3211-first side wall; 3212-first end wall; 3221-second side wall; 3222 - second end wall;

40-rotating assembly; 41-wind cap cover; 411-side wall of the first wind cap cover; 412-end wall of the first wind cap cover; 4121-fixing groove; 413-end wall of the second wind cap cover; 42-motor bracket; Ring; 4211-elastic limit wall; 4212-through hole; 422-fixed seat; 423-support plate; 43-motor; Shaft; 453-the third round shaft; 454-the fourth round shaft; 4541-the first elastic stepped shaft; 4542-the second elastic stepped shaft; 50-the rubber ring.

Detailed ways

First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present application, and are not intended to limit the protection scope of the present application. Those skilled in the art can make adjustments as needed so as to adapt to specific applications.

Secondly, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for convenience of description. It is not intended to indicate or imply that the device or component must have a particular orientation, be constructed or operate in a particular orientation, and thus should not be construed as limiting the application.

In addition, it should be noted that in the description of this application, unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific situations.

In related technologies, the air conditioner is usually equipped with a fresh air function, and the air conditioner with the fresh air function can enter outdoor air to improve parameters such as oxygen content of indoor air, thereby achieving the purpose of improving indoor air quality. Specifically, the indoor unit of the air conditioner is provided with a fresh air passage, and an inlet end of the fresh air passage is provided with a fresh air pipe, and the fresh air pipe is used to introduce outdoor fresh air into the fresh air passage. However, when the indoor unit of the air conditioner is in the non-fresh air mode, outdoor dust and debris will enter the fresh air duct from the outside.

In order to solve the above problems, the application provides an air-conditioning indoor unit and an air conditioner. The fresh air pipe cap includes a first section and a second section connected to each other. The first section of the fresh air pipe cap is connected to the fresh air pipe. The second section of the pipe cap includes a first area and a second area, the first area and the second area are arranged opposite to the axis of the fresh air pipe cap, the first area is provided with an air inlet hole, through the second area of the fresh air pipe cap The section is equipped with a rotating assembly, and the wind cap cover of the rotating assembly is rotatably arranged in the second section of the fresh air pipe cap. When the air conditioner indoor unit is in the fresh air mode, the wind cap cover opens the air inlet hole in the second area, and the outdoor air passes through the second section. The air inlet hole in the second area enters the fresh air pipe to achieve fresh air replacement; when the indoor unit of the air conditioner is in the non-fresh air mode, the air cap closes the air inlet hole in the second area, so that the outdoor air cannot enter the room, and the outdoor floating dust or debris is removed. The air cap cover prevents it from entering the fresh air duct through the air inlet hole through the fresh air duct cap, thereby preventing outdoor dust or debris from entering the fresh air duct.

The air conditioner indoor unit and the air conditioner provided in the embodiments of the present application will be described in detail below in conjunction with specific embodiments.

Figure 1 is a schematic structural view of an air-conditioning indoor unit provided in the embodiment of the present application; Figure 2 is a partial structural view of the air-conditioning indoor unit provided in Figure 1; Structural schematic diagram; Figure 4 is a schematic cross-sectional structure diagram of the rotating assembly provided in Figure 3 to open the new air duct cap; Figure 5 is a structural schematic diagram of the rotating assembly provided in the embodiment of the application to close the new air duct cap; Figure 6 is the rotation provided in Figure 5 The schematic cross-sectional structure diagram of the closed fresh air pipe cap of the assembly; FIG. 7 is the structural schematic diagram of the fresh air pipe cap provided by the embodiment of the present application; FIG. 8 is the cross-sectional structural schematic diagram of the fresh air pipe cap provided in FIG. 7 .

The air conditioner indoor unit in the embodiment of the present application is usually used in conjunction with the air conditioner outdoor unit. When in the cooling or heating mode, the fresh air conditioner indoor unit and the fresh air conditioner outdoor unit are in working state at the same time. When in the fresh air mode, only The air conditioner indoor unit is in working condition.

As shown in Figures 1 to 3, the embodiment of the present application provides an air conditioner indoor unit, including a casing 10, a fresh air duct 20, a fresh air duct cap 30 and a rotating assembly 40; the fresh air duct cap 30 includes interconnected first One section 31 and the second section 32, one end of the fresh air pipe 20 is connected with the casing 10, the other end of the fresh air pipe 20 is connected with the first section 31 of the fresh air pipe cap 30, and the rotating assembly 40 is detachably installed on the new air pipe. In the second section 32 of the air duct cap 30 , an air inlet hole 301 is disposed on the second section 32 of the fresh air duct cap 30 , and the rotating assembly 40 is used to open or air inlet hole 301 .

Specifically, the air conditioner indoor unit provided in the embodiment of the present application may be a cabinet unit or an on-hook unit. In the embodiment of this application, a cabinet machine is used for description.

The casing 10 is a hollow columnar structure, and a fresh air passage is arranged inside the casing 10, and one end of the fresh air pipe 20 is connected with the casing 10, and the fresh air pipe 20 communicates with the fresh air passage. When the indoor unit of the air conditioner is in the fresh air mode, the outdoor air enters the fresh air channel through the fresh air pipe 20 to realize fresh air replacement.

It should be noted that the non-fresh air mode may be that the air conditioner indoor unit is in a shutdown mode, a cooling mode, a heating mode, a dehumidification mode, a self-cleaning mode, and the like.

The fresh air pipe 20 can be a corrugated pipe or a hose, which is not provided here. One end of the fresh air pipe 20 is connected with the casing 10 , and the other end of the fresh air pipe 20 is connected with the fresh air pipe cap 30 .

As shown in FIG. 2 , the fresh air pipe 20 is provided with a connecting piece 21 and a retaining ring 22 . The retaining ring 22 is located on the inside of the wall mounting hole, and the retaining ring 22 is used to cooperate with the wall mounting hole to cover the gap between the fresh air pipe 20 and the wall of the wall mounting hole, so as to prevent outdoor dust and impurities from entering the fresh air pipe 20. The gap between the hole wall and the wall mounting hole enters the room. The connecting piece 21 is used for connecting with the casing 10 . The connecting piece 21 and the retaining ring 22 are commonly used spare parts in the field of air conditioners.

The fresh air duct cap 30 can be a hollow cylinder. The fresh air duct cap 30 includes a first section 31 and a second section 32 connected to each other, and both the first section 31 and the second section 32 extend along the axial direction of the fresh air duct cap 30 . The first section 31 of the fresh air duct cap 30 is connected to the fresh air duct 20 , and the second section 32 of the fresh air duct cap 30 is provided with an air inlet hole 301 . The air inlet hole 301 can be a round hole or an oblong hole, and no specific setting is made here.

The first section 31 of the fresh air pipe cap 30 and the fresh air pipe 20 can be connected by threads. In other implementation manners, the first section 31 of the fresh air duct cap 30 and the fresh air duct 20 may also be connected in other ways, and no specific setting is made here.

As shown in Figure 7, the second section 32 of the fresh air duct cap 30 includes a first area 321 and a second area 322, the first area 321 and the second area 322 are oppositely arranged with the axis of the fresh air duct cap 30, and the first area 321 is provided with the air inlet hole 301 .

In an optional embodiment, the first area 321 includes a first side wall 3211 and a first end wall 3212, the second area 322 includes a second side wall 3221 and a second end wall 3222, and the first side wall 3211 and The second side wall 3221 is oppositely arranged, the first side wall 3211 and the second side wall 3221 are connected to each other to form a cylindrical side wall, and the first end wall 3212 is located at the first section 31 of the first side wall 3211 away from the fresh air pipe cap 30 The second end wall 3222 is located at the end of the second side wall 3221 away from the first section 31 of the fresh air pipe cap 30. The first end wall 3212 and the second end wall 3222 are connected to each other to form a circular end wall. Both the side wall 3221 and the second end wall 3222 are provided with air inlet holes 301 .

The shapes of the first side wall 3211 and the second side wall 3221 are both semi-cylindrical. Both the first end wall 3212 and the second end wall 3222 are semicircular in shape. Both the second side wall 3221 and the second end wall 3222 have multiple air inlet holes 301 . The air inlet holes 301 of the second side wall 3221 are arranged at intervals on the second side wall 3221 ; the air inlet holes 301 of the second end wall 3222 are arranged at intervals on the second end wall 3222 .

It should be noted that no air inlet hole 301 is provided on the first area 321 . When the fresh air duct cap 30 is extended outside, the first area 321 faces upwards, so that when the indoor unit of the air conditioner is in the fresh air mode, rainwater can be prevented from being poured into the fresh air duct 20 .

FIG. 9 is a schematic structural diagram of a rotating assembly provided by an embodiment of the present application; FIG. 10 is a schematic structural diagram of the wind cap shown in FIG. 9 .

As shown in Figure 9 and Figure 10, the rotating assembly 40 includes a wind cap cover 41, the wind cap cover 41 is rotatably arranged in the second section 32 of the fresh air duct cap 30, and the wind cap cover 41 is used to open or close the entrance of the second area. Wind hole 301 .

It should be noted that the wind cap cover 41 rotates around the axis of the fresh air duct cap 30 .

As shown in Figure 3 and Figure 4, when the indoor unit of the air conditioner is in the fresh air mode, the wind cap cover 41 opens the air inlet 301 of the second area 322, and the outdoor air enters the fresh air duct 20 through the air inlet 301 of the second area 322 , to achieve fresh air; as shown in Figure 5 and Figure 6, when the indoor unit of the air conditioner is in the non-fresh air mode, the wind cap cover 41 closes the air inlet hole in the second area 322, so that the outdoor air cannot enter the room, and the outdoor floating dust or debris Chips are blocked by the wind cap cover, and cannot enter the fresh air duct 20 through the fresh air duct cap 30 through the air inlet 301, thereby preventing outdoor floating dust or debris from entering the fresh air duct 20.

In an optional embodiment, as shown in FIG. 10 , the wind cap cover 41 includes a first wind cap cover side wall 411 and a first wind cap cover end wall 412, and one end of the first wind cap cover side wall 411 is connected to the first wind cap cover The end walls 412 are connected. When the wind cap cover 41 is in the closed state, the first wind cap cover side wall 411 closes the air inlet hole 301 on the second side wall 3221, and the first wind cap cover end wall 412 closes the air inlet hole 3222 on the second end wall. Wind hole 301 . With such a setting, when the indoor unit of the air conditioner is in the non-fresh air mode and the air cap cover 41 is in the closed state, outdoor air cannot enter the room, and outdoor dust or debris is blocked by the air cap cover and cannot pass through the air inlet hole 301 through the fresh air duct. The cap 30 enters the fresh air duct 20 , thereby preventing outdoor floating dust or debris from entering the fresh air duct 20 .

The shape of the wind cap cover 41 can be consistent with the shape of the second region 322 . The shape of the first wind cap side wall 411 can be consistent with the shape of the second side wall 3221 , and the shape of the first wind cap end wall 412 can be consistent with the shape of the second end wall 3222 .

FIG. 11 is a structural schematic diagram of the motor bracket and the motor in FIG. 9 .

Optionally, as shown in FIG. 9 and FIG. 11 , the rotating assembly 40 further includes a motor 43 and a motor bracket 42, and the motor bracket 42 is used to fix the motor 43 in the second section 32 of the fresh air duct cap 30, that is, , the motor 43 is fixed in the first side wall 3211 and the second side wall 3221 connected to each other to form a cylindrical side wall. The motor 43 can be a stepping motor.

The wind cap cover 41 also includes a second wind cap cover end wall 413, the second wind cap cover end wall 413 is connected to one end of the first wind cap cover side wall 411, the second wind cap cover end wall 413 is opposite to the first wind cap cover end wall 412, The second wind cap cover end wall 413 is fixedly connected with the motor shaft of the motor 43 .

The second wind cap cover end wall 413 is provided with a connecting shaft 4131 connected with the motor shaft of the motor 43 .

The motor 43 drives the second wind cap cover end wall 413 to rotate through the motor shaft, and then can drive the first wind cap cover side wall 411 and the first wind cap cover end wall 412 to rotate.

In an optional embodiment, the motor shaft of the motor 43 rotates in the first direction, and the motor shaft drives the wind cap cover 41 to rotate in the first direction, so that the first wind cap cover side wall 411 closes the opening on the second side wall 3221. The air hole 301, the first wind cap cover end wall 412 closes the air inlet hole 301 on the second end wall 3222; the motor shaft of the motor 43 rotates in the second direction opposite to the first direction, and the motor shaft drives the wind cap cover 41 along the second direction. direction rotation, so that the first wind cap cover side wall 411 opens the air intake hole 301 on the second side wall 3221 , and the first wind cap cover end wall 412 opens the air intake hole 301 on the second end wall 3222 .

Further, as shown in FIG. 8 , a restriction protrusion 302 is provided on the inner side of the first side wall 3211 . The restriction protrusion 302 is located at the end where the first side wall 3211 intersects with the second side wall 3221 . The axis of the tube cap 30 extends, and the first wind cap cover side wall 411 abuts against the limiting protrusion 302 when the wind cap cover 41 is in an open or closed state. Such arrangement can prevent excessive rotation of the motor 43 from causing the air inlet holes 301 in the second area 322 to not be completely closed or not fully opened.

It should be noted that when the motor 43 drives the wind cap cover 41 to rotate in the first direction, if the motor of the motor 43 rotates excessively, the wind cap cover 41 cannot completely close the air inlet holes 301, which may cause the indoor unit of the air conditioner to be in a non-fresh air condition. In the mode, outdoor floating dust or debris may enter the fresh air duct 20 through the fresh air duct cap 30 through part of the air inlet hole 301; when the motor 43 drives the wind cap cover 41 to rotate in the second direction, if the motor of the motor 43 rotates excessively , the wind cap cover 41 cannot open the air inlet hole 301, which may cause outdoor fresh air to enter the fresh air duct 20 through part of the air inlet hole 301 through the fresh air duct cap 30 when the indoor unit of the air conditioner is in the fresh air mode, which in turn will cause Affect the air intake of fresh air.

The shape of the restriction protrusion 302 may be a rectangular column. In other manners, the shape of the limiting protrusion 302 may also be other shapes, which are not specifically set here.

Fig. 12 is a schematic structural view of the hood buckle in Fig. 9; Fig. 13 is a schematic structural view of the hood shaft in Fig. 9.

Optionally, as shown in FIG. 9 , FIG. 12 and FIG. 13 , the rotating assembly 40 also includes a hood shaft 45 and a hood buckle 44 , and a fixed fixing is provided on the side of the first hood cover end wall 412 close to the second hood cover end wall 413 . Groove 4121, the fixed groove 4121 is engaged with the hood buckle 44, and the center of the circular end wall of the new air duct cap 30 is provided with a rotating hole 303, and one end of the hood rotating shaft 45 is rotatably inserted in the rotating hole 303, and the hood rotating shaft The other end of 45 is fixed in the fixing groove 4121 by the hood buckle 44 . In this way, when the motor 43 drives the wind cap cover 41 to rotate, the first wind cap cover end wall of the wind cap cover 41 rotates around the rotating hole 303 of the fresh air pipe cap 30 through the wind cap rotating shaft 45 .

Wherein, the hood rotating shaft 45 may include a first round shaft 451, a second round shaft 452, a third round shaft 453 and a fourth round shaft 454, the first round shaft 451, the second round shaft 452, the third round shaft 453 and the fourth round shaft The four circular shafts 454 are sequentially connected along the direction of the second wind cap cover end wall 413 pointing to the first wind cap cover end wall 412, the first circular shaft 451 is located in the fixing groove 4121, and the second circular shaft 452 is clamped on the first wind cap cover On the end wall 412 , the third circular shaft 453 is located on a side of the first wind cap cover end wall 412 away from the second wind cap cover end wall 413 , and the fourth circular shaft 454 is rotatably inserted in the rotation hole 303 .

All of the first circular axis 451 , the second circular axis 452 and the third circular axis 453 may be optical axes. The radial radius of the first circular axis 451 is larger than the radial radius of the second circular axis 452 , and the radial radius of the first circular axis 451 is equal to the radial radius of the third circular axis 453 .

The fourth circular axis 454 may be a stepped axis. Setting the fourth round shaft 454 as a stepped shaft can make the wind cap rotating shaft 45 clamped in the rotating hole 303, thereby avoiding the first wind cap cover end wall 412 of the wind cap cover 41 passing the wind cap rotating shaft 45 around the fresh air pipe cap 30. When the rotating hole 303 rotates, the hood rotating shaft 45 breaks away from the rotating hole 303 .

Further, the fourth round shaft 454 includes a first elastic stepped shaft 4541 and a second elastic stepped shaft 4542, the first elastic stepped shaft 4541 and the second elastic stepped shaft 4542 are fixed on the third round shaft 453, the first elastic stepped shaft 4541 and the second elastic stepped shaft 4542 are arranged opposite to the axis of the third round shaft 453 , and there is an elastic distance between the first elastic stepped shaft 4541 and the second elastic stepped shaft 4542 . When the fourth round shaft 454 is installed in the rotating hole 303, the first elastic stepped shaft 4541 and the second elastic stepped shaft 4542 can be close to each other, and then inserted into the rotating hole 303; When disassembling, the first elastic stepped shaft 4541 and the second elastic stepped shaft 4542 can be brought close to each other, and then pulled out from the rotating hole 303 . Such an arrangement can facilitate installation or disassembly between the fourth round shaft 454 and the rotating hole 303 .

Further, in order to facilitate the insertion of the fourth round shaft 454 into the rotating hole 303 , rounded corners may be provided at one end of the fourth round shaft 454 in the insertion direction.

Optionally, as shown in Figure 11, the motor bracket 42 includes a fixed ring 421, a fixed seat 422 and a plurality of support plates 423, the fixed seat 422 is located at the center of the fixed ring 421, and the plurality of support plates 423 are connected between the fixed ring 421 and the fixed Between Block 422.

Wherein, the shape of the fixing seat 422 matches the outer contour of the motor 43 . The motor 43 can be fixed on the fixing base 422 by bolts.

The fixing ring 421 abuts against the inner wall of the second section 32 of the fresh air duct cap 30 . The fixing ring 421 is provided with a plurality of elastic limiting walls 4211, and the plurality of elastic limiting walls 4211 are sequentially arranged at intervals in the circumferential direction of the fixing ring 421. The second section 32 of the fresh air duct cap 30 is provided with a plurality of elastic limiting walls. A plurality of locking holes 304 that are engaged with the bit wall 4211. Such an arrangement can facilitate disassembly between the fixing ring 421 and the fresh air duct cap 30 .

The fixing ring 421 is provided with a through hole 4212 for the elastic movement of the elastic limiting wall 4211 .

The number of locking holes 304 is equal to the number of elastic limiting walls 4211 . The shape of the locking hole 304 can be rectangular, and in other ways, it can also be other shapes.

The support plate 423 is used to fix the fixing base 422 on the fixing ring 421 . The shape of the support plate 423 may be a rectangle.

In some examples, the number of supporting plates 423 is eight, and every two supporting plates 423 are respectively disposed on both sides of the locking hole 304 .

It should be noted that, when the fixing ring 421 is installed in the second section 32 of the fresh air duct cap 30, the elastic limit wall 4211 can limit the movement of the fixing ring 421 on the axis of the fresh air duct cap 30, thereby improving the motor 43 stability, and can avoid affecting the fresh air intake when the air conditioner indoor unit is in the fresh air mode.

Optionally, as shown in FIG. 2 , the air conditioner indoor unit further includes a rubber ring 50, which is sleeved on the area corresponding to the second section 32 of the fresh air duct cap 30 and the fixing ring 421, and the rubber ring 50 is used for Block a plurality of card holes 304 . Such setting can prevent rainwater from entering the fresh air duct cap 30 and the fresh air duct 20 from the gap between the clamping hole 304 and the elastic limiting wall 4211 , thereby achieving a waterproof effect.

Wherein, in order to facilitate the installation of the rubber ring 50 , the second section 32 of the fresh air duct cap 30 is provided with an engaging slot 305 . The locking slot 305 is circular in shape.

The rubber ring 50 is located outside the wall installation hole, and the rubber ring 50 is also used to seal the wall installation hole. Such setting can cover the gap between the fresh air duct cap 30 and the wall of the wall installation hole, so as to prevent outdoor dust and impurities from entering the room from the gap between the fresh air duct cap 30 and the wall of the wall installation hole.

An embodiment of the present application further provides an air conditioner, including an air conditioner outdoor unit and an air conditioner indoor unit, and the air conditioner outdoor unit and the air conditioner indoor unit are used in cooperation with each other.

The air-conditioning indoor unit in this embodiment has the same structure as the air-conditioning indoor unit provided in any of the above-mentioned embodiments, and can bring about the same or similar technical effects, which will not be described here one by one. For details, please refer to the description of the above-mentioned embodiments .

So far, the technical solutions of the present application have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Without departing from the principle of the present application, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present application.

Claims (10)

1. An air conditioner indoor unit is characterized in that it includes a casing, a fresh air duct, a fresh air duct cap and a rotating assembly;

   The fresh air duct cap includes a first section and a second section connected to each other, one end of the fresh air duct is connected to the casing, and the other end of the fresh air duct is connected to the first section of the fresh air duct cap. section connection, the rotating assembly is detachably installed in the second section of the fresh air duct cap;

   The second section of the fresh air duct cap includes a first area and a second area, the first area and the second area are arranged opposite to the axis of the fresh air duct cap, and the first area is provided with further wind hole;

   The rotating assembly includes a wind cap cover, the wind cap cover is rotatably arranged in the second section of the fresh air duct cap, and the wind cap cover is used to open or close the air inlet hole in the second area.
2. The air conditioner indoor unit according to claim 1, wherein the first area includes a first side wall and a first end wall, the second area includes a second side wall and a second end wall, and the first area includes a second side wall and a second end wall. One side wall is opposite to the second side wall, the first side wall and the second side wall are connected to each other to form a cylindrical side wall, and the first end wall is located away from the first side wall. One end of the first section of the fresh air duct cap, the second end wall is located at the end of the second side wall away from the first section of the fresh air duct cap, the first end wall and the second The end walls are connected to each other to form a circular end wall, and the air inlet holes are provided on the second side wall and the second end wall;

   The wind cap cover includes a first wind cap cover side wall and a first wind cap cover end wall, one end of the first wind cap cover side wall is connected to the first wind cap cover end wall, and when the wind cap cover is in a closed state, the first wind cap cover A wind cap cover side wall closes the air inlet hole on the second side wall, and the first wind cap cover end wall closes the air inlet hole on the second end wall.
3. The air conditioner indoor unit according to claim 2, wherein the rotating assembly further includes a motor and a motor bracket, and the motor bracket is used to fix the motor in the cylindrical side wall;

   The wind cap cover also includes a second wind cap cover end wall, the second wind cap cover end wall is connected to one end of the first wind cap cover side wall, and the second wind cap cover end wall is connected to the first wind cap cover end wall. The walls are arranged opposite to each other, and the end wall of the second air cap cover is fixedly connected with the motor shaft of the motor;

   When the motor drives the wind cap cover to rotate in the first direction through the motor shaft, it is used to make the side wall of the first wind cap cover close the air inlet hole on the second side wall, and the end of the first wind cap cover The wall closes the air inlet hole on the second end wall; when the motor drives the wind cap cover to rotate in the second direction opposite to the first direction through the motor shaft, it is used to make the first wind cap cover The side wall opens the air inlet hole on the second side wall, and the first air cap cover end wall opens the air inlet hole on the second end wall.
4. The air-conditioning indoor unit according to claim 3, wherein a restriction protrusion is provided on the inner side of the first side wall, and the restriction protrusion is located at an end where the first side wall intersects with the second side wall, so The restriction protrusion extends along the axis of the fresh air duct cap, and the side wall of the first air cap abuts against the restriction protrusion when the wind cap cover is in an open or closed state.
5. The air-conditioning indoor unit according to claim 3, wherein the rotating assembly further includes a hood shaft and a hood buckle, and the end wall of the first hood cover close to the end wall of the second hood cover is provided with a fixed groove, the fixing groove is engaged with the hood buckle, and the center of the circular end wall is provided with a rotating hole, and one end of the hood rotating shaft is rotatably inserted in the rotating hole, and the hood rotating shaft The other end of the hood is fixed in the fixing groove by a hood buckle.
6. The air-conditioning indoor unit according to claim 5, wherein the hood shaft includes a first round shaft, a second round shaft, a third round shaft and a fourth round shaft, the first round shaft, the second round shaft The two circular axes, the third circular axis and the fourth circular axis are sequentially connected along the direction that the end wall of the second wind cap cover points to the end wall of the first wind cap cover, and the first circular axis is located at the end wall of the first wind cap cover. In the fixing groove, the second circular shaft is clamped on the end wall of the first wind cap cover, and the third circular shaft is located at the end wall of the first wind cap cover away from the end wall of the second wind cap cover. On the side, the fourth circular shaft is rotatably inserted in the rotating hole.
7. The air-conditioning indoor unit according to claim 6, wherein the fourth circular shaft includes a first elastic stepped shaft and a second elastic stepped shaft, and the first elastic stepped shaft and the second elastic stepped shaft are fixed On the third round shaft, the first elastic stepped shaft and the second elastic stepped shaft are arranged opposite to the axis of the third round shaft, and the first elastic stepped shaft and the second elastic stepped shaft Elastic spacing is provided between the axes.
8. The air-conditioning indoor unit according to any one of claims 3 to 7, wherein the motor support includes a fixing ring, a fixing seat and a plurality of support plates, the fixing seat is located at the center of the fixing ring, and multiple The support plate is connected between the fixed ring and the fixed seat;

   The motor is fixed on the fixing seat by bolts, and the fixing ring is provided with a plurality of elastic limiting walls, and the plurality of elastic limiting walls are arranged at intervals in the circumferential direction of the fixing ring, and the new The second section of the air duct cap is provided with a plurality of locking holes which are engaged with the plurality of elastic limiting walls.
9. The air-conditioning indoor unit according to claim 8, further comprising a rubber ring, the rubber ring is set on the area corresponding to the fixing ring of the second section of the fresh air duct cap, and the rubber ring The circle is used to cover a plurality of said clamping holes.
10. An air conditioner, characterized by comprising an air conditioner outdoor unit and the air conditioner indoor unit according to any one of claims 1-9, the air conditioner outdoor unit and the air conditioner indoor unit are used in cooperation with each other.

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