Indoor unit and air conditioner

Abstract

The invention provides an indoor unit and an air conditioner, and the indoor unit comprises a middle frame shell, an air inlet, an air outlet, an air inlet and an air outlet, the first air blocking piece is movably connected to the front end face of the middle frame shell so as to move in the direction close to or away from the air outlet; the second air blocking piece is movably connected to the side end face of the middle frame shell so as to stretch out or retract in the direction close to the air outlet; the direction of air blown out of the air outlet is changed by adjusting the position, relative to the air outlet, of the first air blocking piece and / or the second air blocking piece. The technical problems that in an existing air conditioner, a wind shield playing a role in wind shielding is arranged on the front side of a panel, so that although wind can be limited to be exhausted from an air outlet to the front side, lateral air-out of the two ends of the air conditioner in the length direction cannot be limited, the wind shielding effect is poor, and the air conditioner cannot be damaged are solved. And the user experience is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to an indoor unit and an air conditioner. Background Art

[0002] Wall-mounted air conditioners are widely used. Since the indoor unit of a wall-mounted air conditioner is usually installed in a fixed position, in order to make the indoor temperature uniform, air needs to be supplied to different areas of the room. Usually, an air guide plate is provided at the air outlet of the indoor unit of the wall-mounted air conditioner, and the air supply is guided by the swing of the air guide plate.

[0003] For example, when the air conditioner is running the cooling function, in order to avoid direct blowing of cold air, a wind shield is set at the middle frame position. The wind shield is adjusted to move on the middle frame to change its blocking effect on the air blown out of the outlet to the indoor environment, so as to improve the user experience.

[0004] However, there is at least one of the following problems in the related technology: the wind shield in the existing air conditioner is set on the front side of the panel, so that although it can limit the wind outflow from the air outlet toward the front side, it cannot limit the lateral air outflow at both ends of the air conditioner along its length direction, resulting in poor wind shielding effect and reducing the user experience. Summary of the invention

[0005] The technical problem solved by the present invention is that the wind shield in the existing air conditioner is set on the front side of the panel, so that although it can limit the wind outflow from the air outlet toward the front side, it cannot limit the lateral air outflow at both ends of the air conditioner along its length direction, resulting in poor wind shielding effect and reducing the user experience.

[0006] To solve the above problems, the present invention provides an indoor unit, comprising: a middle frame shell, a bottom end of the middle frame shell is provided with an air outlet; a first wind shield, the first wind shield is movably connected to the front end surface of the middle frame shell so as to move toward or away from the air outlet; a second wind shield, the second wind shield is movably connected to the side end surface of the middle frame shell so as to extend or retract toward the direction close to the air outlet; wherein the outlet direction of air blown out from the air outlet is changed by adjusting the position of the first wind shield and / or the second wind shield relative to the air outlet.

[0007] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: when the first wind shield is adjusted to be close to the air outlet, so that at least part of the structure of the first wind shield extends out of the middle frame shell, and then it is located in the air outlet path where the wind guide plate guides the air outlet into the indoor environment, thereby shortening the air outlet distance of the indoor unit from the front side, that is, preventing the cold wind from blowing directly from the front side; in addition, when at least part of the structure of the second wind shield extends out of the middle frame shell, it can stop the air outlet direction in the lateral direction. Combined with the actual installation situation of the wall-mounted indoor unit, the air outlet area of ​​the cold air blown out of the air outlet is effectively limited to the air outlet range bounded by the wall, the first wind shield and the second wind shield, thereby reducing the heat exchange efficiency between the air outlet and the area outside the above-mentioned air outlet range, that is, the wind force within the air outlet range is greatly reduced, thereby improving the windless experience of users outside the air outlet range.

[0008] In one example of the present invention, when the indoor unit is in a first state, the first wind shield and the second wind shield are arranged around the air outlet so that the air outlet direction is toward the wall-mounted side of the indoor unit and / or vertically downward; and / or, when the indoor unit is in a second state, the first wind shield and the second wind shield expose the air outlet.

[0009] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: through the coordinated cooperation of the first wind shield and the second wind shield, the air outlet of the indoor unit in the front and lateral directions can be effectively stopped, thereby further improving the effect of avoiding direct blowing of cold air compared to a single wind shield setting.

[0010] In one example of the present invention, the first wind shield and / or the second wind shield are slidably connected to the middle frame shell.

[0011] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: for example, the first wind shield member and the second wind shield member are slidingly connected to the middle frame shell, respectively, making it more convenient and easy to operate to move the first wind shield member and the second wind shield member.

[0012] In one example of the present invention, it includes: a slide rail assembly, which is arranged in the middle frame shell and is used to cooperate with the first wind shield member and the second wind shield member to limit their escape from the middle frame shell; a drive assembly, which is installed in the middle frame shell and clamps the first wind shield member and the second wind shield member respectively with the slide rail assembly; wherein the drive assembly drives the first wind shield member and the second wind shield member to move on the middle frame shell respectively.

[0013] Compared with the prior art, the technical effects achieved by adopting this technical solution are: on the one hand, the first wind shield member and the second wind shield member are driven to move on the middle frame shell by the driving component, which replaces manual adjustment, improves the adjustment efficiency of the movement of the above two parts, and improves the user experience; on the other hand, the shielding effect of the first wind shield member and the second wind shield member on the driving component effectively avoids the driving component being exposed to the user's line of sight and reducing the appearance of the indoor unit, and at the same time makes the indoor unit more concise in appearance.

[0014] In one example of the present invention, the drive assembly includes a first drive motor arranged on the front end surface and a first transmission gear cooperating with the first drive motor, and at least a portion of the structure of the first transmission gear extends out of a first mounting opening arranged on the surface of the middle frame shell; a first meshing rack meshing with the first transmission gear is provided on a side of the first wind shield member close to the first transmission gear; and / or, the drive assembly includes a second drive motor arranged on the side end surface and a second transmission gear cooperating with the second drive motor, and at least a portion of the structure of the second transmission gear extends out of a second mounting opening arranged on the surface of the middle frame shell; a second meshing rack meshing with the second transmission gear is provided on a side of the second wind shield member close to the second transmission gear.

[0015] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the first wind shield is moved by meshing the first transmission gear and the first rack, and the second wind shield is moved by meshing the second transmission gear and the second rack, thereby improving the stability of movement, effectively avoiding slipping during the transmission process, and reducing the noise generated by the two during the movement.

[0016] In one example of the present invention, the slide rail assembly includes a first slide rail arranged on the front end surface and a second slide rail arranged on the side end surface, the first wind shield cooperates with the first slide rail, and the second wind shield cooperates with the second slide rail; a first pulley group is provided on the side of the first slide rail close to the first wind shield, and / or a second pulley group is provided on the side of the second slide rail close to the second wind shield.

[0017] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: specifically, by setting the first pulley group and the second pulley group, the friction sound generated by the first wind shield and the second wind shield respectively squeezing the first slide rail and the second slide rail against each other in a surface-to-surface manner is effectively avoided, thereby further improving the user experience and ensuring that the first wind shield and the second wind shield remain in a relatively quiet state during movement.

[0018] In one example of the present invention, the slide rail track of the slide rail assembly is adapted to the corresponding surface curve of the middle frame shell.

[0019] Compared with the prior art, the technical effects achieved by adopting this technical solution are: on the one hand, it reduces the deviation between the trajectory of the slide rail assembly and the surface curve of the middle frame shell, which causes the distance between the first wind shield and the second wind shield to change during the movement of the first wind shield and the second wind shield, thereby increasing the space occupancy rate of the indoor unit; on the other hand, the appearance of the indoor unit changes less during the movement of the first wind shield and the second wind shield, thereby effectively maintaining the aesthetic appearance of the indoor unit.

[0020] In one example of the present invention, an air inlet is provided at the top of the middle frame shell; the middle frame shell also includes: a third slide rail, the third slide rail is arranged to the top, and the third slide rail cooperates with the first slide rail to allow the first wind shield to slide between the two; wherein, when the first wind shield slides to the third slide rail, the first wind shield covers the air inlet.

[0021] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the air inlet is covered by the first wind shielding member, thereby ensuring that dust is prevented from entering the air inlet when the indoor unit is in standby mode.

[0022] In an example of the present invention, it also includes: a controller, which is communicatively connected with the driving component to control the driving component to drive the first wind shield and the second wind shield to move on the middle frame shell respectively.

[0023] Compared with the prior art, the technical effect achieved by adopting this technical solution is that it is convenient for the user to remotely control the first drive motor and the second drive motor through the controller to adjust the positions of the first wind shield and the second wind shield respectively.

[0024] On the other hand, the present invention further provides an air conditioner, comprising: an indoor unit as in any of the above examples.

[0025] Compared with the prior art, the technical effect achieved by adopting this technical solution is: it can achieve the corresponding technical effect in any of the above-mentioned technical solutions, which will not be repeated here.

[0026] After adopting the technical solution of the present invention, the following technical effects can be achieved:

[0027] (1) When the first wind shield is adjusted to be positioned toward the direction close to the air outlet, so that at least part of the structure of the first wind shield extends out of the middle frame shell, and then it is located in the air outlet path where the wind guide plate guides the outlet air into the indoor environment, the air outlet distance from the front side of the indoor unit is shortened, that is, it has the effect of preventing the cold wind from blowing directly from the front side; in addition, when at least part of the structure of the second wind shield is extended out of the middle frame shell, it can play a role in blocking the air outlet direction in the lateral direction. Combined with the actual installation situation of the wall-mounted indoor unit, the outlet area of ​​the cold air blown out of the air outlet is effectively limited to the air outlet range bounded by the wall, the first wind shield and the second wind shield, thereby reducing the heat exchange efficiency between the air outlet and the area outside the above-mentioned air outlet range, that is, the wind force within the air outlet range is greatly reduced, thereby improving the windless experience of users outside the air outlet range;

[0028] (2) On the one hand, the first wind shield member and the second wind shield member are driven to move on the middle frame shell by the driving component, which replaces manual adjustment, improves the adjustment efficiency of the movement of the above two parts, and improves the user experience; on the other hand, the shielding effect of the first wind shield member and the second wind shield member on the driving component effectively avoids the driving component being exposed to the user's line of sight and reducing the aesthetic appearance of the indoor unit, while making the indoor unit more concise in appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic structural diagram of an indoor unit provided in an embodiment of the present invention.

[0030] Figure 2 for Figure 1 Schematic diagram of the local structure in.

[0031] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0032] Figure 4 for Figure 1 Schematic diagram of the local structure in.

[0033] Figure 5 for Figure 1 Schematic diagram of the local structure in.

[0034] Figure 6 for Figure 5 Enlarged view of point C in the middle.

[0035] Figure 7 for Figure 1 Schematic diagram of the local structure from another perspective.

[0036] Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0037] Description of reference numerals:

[0038] 100, indoor unit; 101, wall-mounted side; 102, user side; 10, middle frame shell; 11, air outlet; 12, front end face; 121, first installation opening; 13, side end face; 131, second installation opening; 14, air inlet; 20, first wind shield; 21, first meshing rack; 30, second wind shield; 31, second meshing rack; 41, first slide rail; 42, second slide rail; 51, first drive assembly; 511, first drive motor; 512, first transmission gear; 52, second drive assembly; 521, second drive motor; 522, second transmission gear. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0040] See also Figure 1 , which is a schematic diagram of the structure of an indoor unit 100 provided by an embodiment of the present invention. Figure 2-Figure 8 The indoor unit 100 includes, for example, a middle frame housing 10, a first wind shield 20, and a second wind shield 30. An air outlet 11 is provided at the bottom end of the middle frame housing 10; the first wind shield 20 is movably connected to the front end surface 12 of the middle frame housing 10 to move toward or away from the air outlet 11; the second wind shield 30 is movably connected to the side end surface 13 of the middle frame housing 10 to extend or retract toward the direction close to the air outlet 11; wherein, the direction of air blown out from the air outlet 11 can be changed by adjusting the position of the first wind shield 20 and / or the second wind shield 30 relative to the air outlet 11.

[0041] It can be understood that the traditional indoor unit 100 is provided with an air inlet 14 at its top position, and an air outlet 11 is provided at its lower position. Furthermore, in order to adjust the direction of the air blown out from the air outlet 11, an air guide plate is provided at the position of the air outlet 11 to achieve the effect of adjusting the direction of the air. When the indoor unit 100 is shut down, the air guide plate automatically closes the air outlet 11.

[0042] However, considering the actual assembly of the air guide plate and the middle frame housing 10 , it is not possible to effectively avoid the direct blowing of cold air while changing the air outlet direction.

[0043] Specifically, a wind shield is arranged at the middle frame, and the wind shield is adjusted to move on the middle frame to change its blocking effect on the cold air blown out of the air outlet 11 to the indoor environment. However, the wind shield in the existing air conditioner is only arranged on the front side of the panel, so that although the air outlet from the air outlet 11 to the front direction can be restricted, the lateral air outlet at both ends of the air conditioner along its length direction cannot be restricted, resulting in poor wind shielding effect and reducing the user experience.

[0044] Therefore, in combination with the content of the technical solution, by setting a plurality of wind shields at different positions of the middle frame shell 10, for example, setting the first wind shield 20 at the front end face 12, and setting the second wind shield 30 at the side end face 13, it is possible to limit the direction of the air blown out from the air outlet 11. Specifically, when the first wind shield 20 is adjusted to be close to the air outlet 11, so that at least part of the structure of the first wind shield 20 extends out of the middle frame shell 10, it is located in the air outlet path where the air guide plate guides the air outlet to the indoor environment, thereby shortening the air outlet distance of the indoor unit 100 from the front direction, that is, preventing the cold air from blowing directly from the front side.

[0045] In addition, when the second wind shield 30 is adjusted to extend toward the direction close to the air outlet 11, similar to the above principle, at least part of the structure of the second wind shield 30 extends out of the middle frame housing 10. It can be understood that the cold air blowing direction of the indoor unit 100 is affected by the sweeping blades arranged inside it. In the traditional air conditioner, the sweeping blades adjust the air outlet direction in the lateral direction. The lateral direction here can be understood as the direction of the line connecting the two oppositely arranged side end surfaces 13 of the middle frame housing 10.

[0046] Therefore, when at least part of the structure of the second wind shield 30 is extended out of the middle frame shell 10, it can play a role in stopping the wind outlet direction in the lateral direction. Combined with the actual installation situation of the wall-mounted indoor unit 100, the wind outlet area of ​​the cold air blown out by the air outlet 11 is effectively limited to the wind outlet range bounded by the wall, the first wind shield 20 and the second wind shield 30, thereby reducing the heat exchange efficiency between the air outlet 11 and the area outside the above-mentioned wind outlet range, that is, the wind force within the wind outlet range is greatly reduced, thereby improving the windless experience of users outside the wind outlet range.

[0047] Furthermore, in a specific example, the first wind shield member 20 is a first wind shield plate, and the second wind shield member 30 is a second wind shield plate. For example, only the first wind shield plate may be extended out of the middle frame shell 10, thereby only achieving the wind shielding effect on the front side of the indoor unit 100; conversely, for example, only the second wind shield plate may be extended out of the middle frame shell 10, thereby only achieving the lateral wind shielding effect on the indoor unit 100.

[0048] Of course, based on the above content, the extension length of the first wind shield 20 and the second wind shield 30 beyond the middle frame shell 10 can be adjusted, so that the air outlet duct composed of the first wind shield 20 and the second wind shield 30 is lengthened, so that the cold air from the air outlet 11 can reach the floor of the indoor environment faster, thereby reducing the heat exchange efficiency between the indoor unit 100 and the indoor environment except for the air outlet duct, thereby slowing down the heat exchange and avoiding the heat exchange rate being too fast and causing discomfort to the user.

[0049] It should be noted that the front end face 12 of the middle frame housing 10 mentioned in the technical solution is set in the direction of the user, for example, represented as the user side 102, and the wall-mounted side 101 is set opposite to the user side 102. The wall-mounted side 101 is the side close to the wall, and the indoor unit 100 is smoothly installed on the wall by setting a hanging plate on the wall-mounted side 101. Therefore, the above-mentioned function of preventing the cold wind from the front from blowing directly is specifically represented as the cold wind blowing directly toward the user side 102.

[0050] Preferably, when the indoor unit 100 is in the first state, the first wind shield 20 and the second wind shield 30 are arranged around the circumference of the air outlet 11, so that the air outlet direction is toward the wall-mounted side 101 of the indoor unit 100 and / or toward vertical downward; and / or, when the indoor unit 100 is in the second state, the first wind shield 20 and the second wind shield 30 expose the air outlet 11. The coordinated cooperation of the first wind shield 20 and the second wind shield 30 can play a good role in stopping the air outlet of the indoor unit 100 in the front and lateral directions, thereby further improving the effect of preventing cold air from blowing directly compared to the single wind shield arrangement.

[0051] Preferably, the first windshield 20 and / or the second windshield 30 are slidably connected to the middle frame housing 10. For example, the first windshield 20 and the second windshield 30 are slidably connected to the middle frame housing 10, respectively, so that moving the first windshield 20 and the second windshield 30 is more convenient and easy to operate.

[0052] Preferably, the indoor unit 100 includes, for example, a slide rail assembly and a drive assembly. The slide rail assembly is provided on the middle frame housing 10, and is used to cooperate with the first wind shield 20 and the second wind shield 30 to prevent them from being disengaged from the middle frame housing 10; the drive assembly is installed on the middle frame housing 10, and clamps the first wind shield 20 and the second wind shield 30 respectively with the slide rail assembly; wherein the drive assembly drives the first wind shield 20 and the second wind shield 30 to move on the middle frame housing 10 respectively.

[0053] On the one hand, the driving component drives the first wind shield 20 and the second wind shield 30 to move on the middle frame shell 10, replacing manual adjustment, improving the adjustment efficiency of the movement of the above two, and improving the user experience; on the other hand, the shielding effect of the first wind shield 20 and the second wind shield 30 on the driving component effectively avoids the driving component being exposed to the user's line of sight and reducing the appearance of the indoor unit 100, while making the indoor unit 100 more concise in appearance.

[0054] Preferably, the drive assembly includes a first drive motor 511 disposed on the front end surface 12 and a first transmission gear 512 cooperating with the first drive motor 511, and at least part of the structure of the first transmission gear 512 extends out of a first mounting opening 121 disposed on the surface of the middle frame shell 10; a first meshing rack 21 meshing with the first transmission gear 512 is provided on one side of the first wind shield 20 close to the first transmission gear 512.

[0055] Alternatively, the driving assembly includes a second driving motor 521 arranged on the side end surface 13 and a second transmission gear 522 cooperating with the second driving motor 521, and at least part of the structure of the second transmission gear 522 extends out of a second mounting opening 131 arranged on the surface of the middle frame shell 10; the second wind shield 30 is provided with a second meshing rack 31 meshing with the second transmission gear 522 on one side thereof.

[0056] By moving the first wind shield 20 by meshing the first transmission gear 512 and the first rack, and moving the second wind shield 30 by meshing the second transmission gear 522 and the second rack, the stability of movement is improved, slipping is effectively avoided during transmission, and the noise generated by the two during movement is reduced.

[0057] Preferably, the slide rail assembly includes a first slide rail 41 arranged on the front end surface 12 and a second slide rail 42 arranged on the side end surface 13, the first wind shield member 20 cooperates with the first slide rail 41, and the second wind shield member 30 cooperates with the second slide rail 42; a first pulley group is provided on the side of the first slide rail 41 close to the first wind shield member 20, and / or a second pulley group is provided on the side of the second slide rail 42 close to the second wind shield member 30.

[0058] Specifically, by providing the first pulley group and the second pulley group, the friction sound caused by the first wind shield 20 and the second wind shield 30 respectively squeezing against the first slide rail 41 and the second slide rail 42 in a surface-to-surface manner is effectively avoided, thereby further improving the user experience and ensuring that the first wind shield 20 and the second wind shield 30 remain in a relatively quiet state during movement.

[0059] Preferably, the track of the slide rail assembly is adapted to the corresponding surface curve of the middle frame housing 10. On the one hand, the deviation between the track of the slide rail assembly and the surface curve of the middle frame housing 10 is too large, which reduces the distance between the first wind shield 20 and the second wind shield 30 and the middle frame housing 10 during the movement, thereby increasing the space occupancy rate of the indoor unit 100; on the other hand, the appearance of the indoor unit 100 changes less during the movement of the first wind shield 20 and the second wind shield 30, thereby effectively maintaining the aesthetic appearance of the indoor unit 100.

[0060] Preferably, an air inlet 14 is provided at the top of the middle frame housing 10; the middle frame housing 10 further comprises: a third slide rail, the third slide rail is arranged to the top, and the third slide rail cooperates with the first slide rail 41 to enable the first wind shield 20 to slide between the two; wherein, when the first wind shield 20 slides to the third slide rail, the first wind shield 20 covers the air inlet 14. By covering the air inlet 14 with the first wind shield 20, dust is prevented from entering the air inlet 14 when the indoor unit 100 is in the standby state.

[0061] Preferably, the indoor unit 100 further includes a controller. The controller is connected to the driving assembly for controlling the driving assembly to drive the first windshield 20 and the second windshield 30 to move on the middle frame housing 10. It is convenient for the user to remotely control the first driving motor 511 and the second driving motor 521 to adjust the positions of the first windshield 20 and the second windshield 30 respectively through the controller. For example, the controller is a remote control or an app application software stored in a mobile terminal, and the mobile terminal can be a mobile phone, etc.

[0062] On the other hand, an embodiment of the present invention further provides an air conditioner. Specifically, the air conditioner includes, for example, an indoor unit 100 as in any of the above technical solutions. Correspondingly, this embodiment can achieve the corresponding technical effects in any of the above technical solutions, which will not be described in detail here.

[0063] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. An indoor unit, characterized in that: include: A middle frame shell (10), wherein an air outlet (11) is provided at the bottom end of the middle frame shell (10); A first wind shield (20), the first wind shield (20) being movably connected to the front end surface (12) of the middle frame shell (10) so as to move in a direction approaching or away from the air outlet (11); A second wind shield (30), the second wind shield (30) being movably connected to the side end surface (13) of the middle frame shell (10) so as to extend or retract in a direction close to the air outlet (11); The direction of air blown out from the air outlet (11) is changed by adjusting the position of the first wind shield (20) and / or the second wind shield (30) relative to the air outlet (11).

2. The indoor unit according to claim 1, characterized in that: When the indoor unit is in a first state, the first wind shield (20) and the second wind shield (30) are arranged around the air outlet (11) so that the air outlet direction is toward the wall-mounted side (101) of the indoor unit and / or vertically downward; And / or, when the indoor unit is in the second state, the first wind shield (20) and the second wind shield (30) expose the air outlet (11).

3. The indoor unit according to claim 1, characterized in that: include: The first wind shielding member (20) and / or the second wind shielding member (30) are slidably connected to the middle frame shell (10).

4. The indoor unit according to claim 3, characterized in that: include: A slide rail assembly, the slide rail assembly being arranged on the middle frame shell (10) and being used to cooperate with the first wind shield (20) and the second wind shield (30) to prevent them from falling out of the middle frame shell (10); A driving assembly, the driving assembly being mounted on the middle frame housing (10) and clamping the first wind shielding member (20) and the second wind shielding member (30) respectively with the slide rail assembly; Wherein, the driving assembly drives the first wind shield (20) and the second wind shield (30) to move on the middle frame shell (10) respectively.

5. The indoor unit according to claim 4, characterized in that: The driving assembly comprises a first driving motor (511) arranged on the front end surface (12) and a first transmission gear (512) matched with the first driving motor (511), and at least a part of the structure of the first transmission gear (512) extends out of a first mounting opening (121) arranged on the surface of the middle frame shell (10); A first meshing rack (21) meshing with the first transmission gear (512) is provided on a side of the first wind shield (20) close to the first transmission gear (512); and / or, The driving assembly comprises a second driving motor (521) arranged on the side end surface (13) and a second transmission gear (522) matched with the second driving motor (521), and at least a part of the structure of the second transmission gear (522) extends out of a second mounting opening (131) arranged on the surface of the middle frame housing (10); A second meshing rack (31) meshing with the second transmission gear (522) is provided on one side of the second wind shield (30) close to the second transmission gear (522).

6. The indoor unit according to claim 4 or 5, characterized in that: The slide rail assembly comprises a first slide rail (41) provided on the front end surface (12) and a second slide rail (42) provided on the side end surface (13); the first wind shield (20) cooperates with the first slide rail (41), and the second wind shield (30) cooperates with the second slide rail (42); A first pulley block is provided on a side of the first slide rail (41) close to the first wind shield (20), and / or a second pulley block is provided on a side of the second slide rail (42) close to the second wind shield (30).

7. The indoor unit according to claim 4, characterized in that: The slide rail track of the slide rail assembly is adapted to the corresponding surface curve of the middle frame shell (10).

8. The indoor unit according to claim 6, characterized in that: The top end of the middle frame shell (10) is provided with an air inlet (14); the middle frame shell (10) further comprises: a third slide rail, the third slide rail being arranged at the top end, and the third slide rail cooperating with the first slide rail (41) so that the first wind shielding member (20) slides between the two; Wherein, when the first wind shield (20) slides to the third slide rail, the first wind shield (20) covers the air inlet (14).

9. The indoor unit according to claim 4, characterized in that: Also includes: A controller is communicatively connected with the driving assembly to control the driving assembly to drive the first wind shield (20) and the second wind shield (30) to move on the middle frame shell (10) respectively.

10. An air conditioner, characterized in that: include: An indoor unit as claimed in any one of claims 1 to 9.

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