Air conditioner

By installing a movable duct shell inside the main air duct of the air conditioner and sealing it with the side wall at different positions, the problem of airflow loss and air leakage caused by the downward pressure of the air guide plate is solved, achieving efficient downward direct airflow and sealing effect, and improving the air supply efficiency and air leakage prevention capability of the air conditioner.

CN223622999UActive Publication Date: 2025-12-02GD MIDEA AIR CONDITIONING EQUIP CO LTD +1
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Patent Information

Application Number
CN202423090379.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-02
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing wall-mounted air conditioners suffer from airflow pressure loss, reduced air volume and velocity due to the downward pressure of the air guide plate in heating mode. Furthermore, gaps between the air duct and the air conditioner casing can lead to air leakage and condensation.

Method used

A movable duct shell is installed inside the main air duct of the air conditioner. The drive component switches it between a first position and a second position. The duct shell is sealed to the side wall to prevent the air guide plate from changing the air direction and to achieve downward direct airflow. It is also sealed to prevent air leakage and condensation in different positions.

Benefits of technology

It reduces wind pressure loss, avoids eddy noise, improves air supply efficiency, prevents air leakage and condensation, and enhances the heating and cooling effects of the air conditioner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air conditioner, which relates to the technical field of air conditioning and comprises a casing, an air duct casing and an air outlet structure, the casing is provided with an air inlet, an air outlet and a main air duct communicated with the air outlet and the air inlet, and the main air duct is provided with a first side wall and a second side wall which are opposite to each other. The air outlet is at least provided with a first air outlet area and a second air outlet area; the air duct shell is movably arranged in the main air duct, and the air duct shell is provided with a first position and a second position; when the air duct shell is located at the first position, the air duct shell enables the air inlet to communicate with the first air outlet area, one side of the air duct shell abuts against the first side wall, and the other side of the air duct shell is matched with the end, close to the air inlet, of the second side wall in a sealed mode. According to the utility model, the airflow pressure loss at the air outlet can be reduced, and air leakage of the air duct can be avoided.
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Description

Technical Field

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

[0002] Currently, most wall-mounted air conditioners on the market use a deflector to suppress hot airflow in order to improve heating performance. However, this downward pressure on the deflector leads to airflow pressure loss, resulting in reduced air volume and velocity, which affects heating efficiency. Furthermore, there is often a large gap between the leeward side of the deflector and the air conditioner casing, which can cause air leakage and condensation in the ductwork. Utility Model Content

[0003] The main purpose of this invention is to provide an air conditioner that reduces airflow pressure loss at the air outlet and prevents air leakage in the duct.

[0004] To achieve the above objectives, the air conditioner proposed in this utility model includes:

[0005] A housing, the housing having an air inlet, an air outlet, and a main air duct connecting the air outlet and the air inlet, the main air duct having opposing first and second sidewalls, and the air outlet having at least a first air outlet area and a second air outlet area; and

[0006] The air duct shell is movably disposed within the main air duct, and the air duct shell has a first position and a second position;

[0007] When the duct shell is in the first position, the duct shell connects the air inlet to the first air outlet area, one side of the duct shell abuts against the first side wall, and the other side of the duct shell is sealed to the end of the second side wall near the air inlet.

[0008] When the duct housing is in the second position, the duct housing connects the air inlet to the second air outlet area. One side of the duct housing is sealed to the end of the first sidewall near the air inlet, and the other side of the duct housing abuts against the second sidewall.

[0009] In one embodiment, the air conditioner further includes a drive assembly and a fan assembly. The fan assembly is disposed within the duct housing, and the duct housing is rotatably disposed within the housing about the axis of the fan assembly. The drive assembly is used to drive the duct housing to rotate between a first position and a second position.

[0010] In one embodiment, the duct shell includes a first volute and a second volute disposed opposite to each other along its rotation direction. The first volute and the second volute enclose each other to form a diversion duct. The diversion duct has a duct inlet that communicates with the air inlet and a duct outlet that communicates with the air outlet.

[0011] In one embodiment, the first volute tongue is provided with a first sealing part at one end near the air duct inlet, and the first sidewall is provided with a first sealing mating part at one end near the air duct inlet;

[0012] When the duct housing is in the first position, the first sealing part and the first sealing mating part are sealed together, and the second volute tongue at least partially abuts against the second sidewall to form a seal.

[0013] In one embodiment, the second volute tongue is provided with a second sealing part at one end near the air duct inlet, and the second sidewall is provided with a second sealing mating part at one end near the air duct inlet;

[0014] When the duct housing is in the second position, the second sealing part and the second sealing mating part are sealed together, and the first volute tongue at least partially abuts against the first sidewall to form a seal.

[0015] In one embodiment, the first sealing portion is disposed at the outer edge of the air duct inlet and bent toward the side near the first sidewall. The first sealing portion overlaps with the first sealing mating portion to form a seal between the first sidewall and the first volute tongue; and / or

[0016] The second sealing part is located on the outer edge of the air duct inlet and is bent toward the side close to the second side wall. The second sealing mating part protrudes toward the air duct relative to the second side wall. The second sealing part overlaps with the second sealing mating part to form a seal between the second side wall and the second volute tongue.

[0017] In one embodiment, the air conditioner further includes a shielding member disposed on the outside of the air duct outlet;

[0018] When the duct housing is in the first position, the shielding member blocks the second air outlet area; when the duct housing is in the second position, the shielding member blocks the first air outlet area.

[0019] In one embodiment, when the duct housing is in the first position, the shield overlaps with the housing at the edge of the second air outlet area; and / or, when the duct housing is in the second position, the shield overlaps with the housing at the edge of the first air outlet area.

[0020] In one embodiment, the shielding member includes a shielding plate and a retaining edge disposed around the periphery of the shielding plate, the retaining edge being disposed on the side of the shielding plate facing the housing; and / or

[0021] The shielding component includes a shielding plate and an extension. The shielding plate has an air outlet. The extension surrounds the outer periphery of the air outlet and has an air outlet duct. The air outlet duct connects the air outlet and the duct outlet.

[0022] In one embodiment, the air conditioner further includes a damper, which is movably mounted on the housing and is used to cover or open the air duct outlet;

[0023] The damper is configured as a guide plate rotatably connected to the housing, and the guide plate is used to guide the airflow at the air outlet.

[0024] In one embodiment, the housing has a panel, the air outlet is located on the lower side of the panel, the first air outlet area is disposed close to the panel, and the second air outlet area is located below the first air outlet area;

[0025] And / or, the air conditioner is configured as a wall-mounted unit; or, the air conditioner is configured as a split-type air conditioner including a wall-mounted unit, the housing being disposed on the wall-mounted unit.

[0026] The technical solution of this utility model involves setting a main air duct inside the casing, and setting a movable air duct shell inside the main air duct. When the air duct shell moves to the first position, the air duct outlet of the air duct shell can connect with the first air outlet area of ​​the air outlet, allowing the air conditioner to directly blow air from the first air outlet area. When the air duct shell moves to the second position, the air duct outlet of the air duct shell can connect with the second air outlet area of ​​the air outlet, allowing the air conditioner to directly blow air from the second air outlet area. When the air conditioner is configured as a wall-mounted unit, with the first air outlet area near the top of the wall-mounted unit and the second air outlet area near the bottom of the wall-mounted unit, the air conditioner can... This design achieves direct downward airflow, avoiding the pressure loss, reduced airflow, and noise caused by eddies that can result from deflectors or grilles altering the airflow direction. Furthermore, when the air conditioner exits through the first air outlet area, the side of the duct housing closest to the second air outlet area seals against the first sidewall, while the other side abuts against the second sidewall, preventing air leakage when exiting from the first location. Similarly, when the air conditioner exits through the second air outlet area, the side of the duct housing closest to the first air outlet area seals against the second sidewall, preventing air leakage when exiting from the second location. In this way, while achieving direct downward airflow, it prevents air leakage caused by large gaps between the duct housing and the main duct, thus preventing unheated external airflow from entering the main duct through the gaps and combining with the existing airflow to form condensation. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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 the structures shown in these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the structure of an embodiment of the air conditioner provided by this utility model;

[0029] Figure 2 for Figure 1 Exploded view of a central air conditioner;

[0030] Figure 3 for Figure 1 Another angle view of the central air conditioner;

[0031] Figure 4 for Figure 1 A schematic diagram showing the stroke duct shell in its second position;

[0032] Figure 5 for Figure 4 Enlarged view at point A;

[0033] Figure 6 for Figure 1 Another angle diagram of the central air conditioner;

[0034] Figure 7 for Figure 1 A schematic diagram showing the stroke duct shell in its first position;

[0035] Figure 8 for Figure 7 Enlarged view at point B;

[0036] Figure 9 for Figure 1 Schematic diagram of the closed state of the stroke valve;

[0037] Figure 10 for Figure 2 A schematic diagram of the stroke duct shell at one angle;

[0038] Figure 11 for Figure 2 Another angle diagram of the stroke duct shell;

[0039] Figure 12 for Figure 2 A schematic diagram of one angle of the central blocking component;

[0040] Figure 13 for Figure 2 A schematic diagram of the central duct component from one angle;

[0041] Figure 14 for Figure 2 Another angled schematic diagram of the stroke channel component;

[0042] Figure 15 for Figure 2 A schematic diagram of one angle of the middle panel.

[0043] Explanation of icon numbers:

[0044] 100. Air conditioner; 10. Housing; 101. Air outlet; 102. Air inlet; 10a. Face frame assembly; 10b. Chassis assembly; 10c. Panel; 11. First sidewall; 111. First sealing mating part; 12. Second sidewall; 121. Second sealing mating part; 13. Recessed groove; 14. Rotating base; 141. Limiting flange; 20. Air duct assembly; 21. Air duct shell; 201. 202. Air duct outlet; 203. Air duct inlet; 21a. First volute tongue; 21b. Second volute tongue; 211. First sealing part; 212. Second sealing part; 213. Mounting hole; 214. Notch; 215. Mounting clip; 22. Shielding part; 221. Air outlet duct; 222. Extension part; 223. Side guard; 30. Fan assembly; 40. Damper; 50. Heat exchanger.

[0045] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0047] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0048] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0049] Existing wall-mounted air conditioner air supply devices generally consist of a cross-flow fan, motor, chassis, frame, panel, air inlet, evaporator, and air outlet assembly. When the air conditioner is operating, the motor drives the cross-flow fan to rotate, and airflow is delivered through the air inlet, evaporator, cross-flow fan, and air outlet assembly. When the air conditioner changes the airflow direction, existing products use the movement of the air outlet assembly at the air outlet to change the airflow direction, such as a rotating air guide vane or rotating air guide grille. However, the downward pressure of the air guide vane causes airflow pressure loss, resulting in a decrease in air volume and velocity, thus affecting the heating effect.

[0050] To avoid airflow loss due to the downward pressure of the air guide plate, some technologies employ a rotating duct as a whole, allowing the heating airflow to be delivered downwards without damage, thereby enhancing the heating effect. However, this method requires a certain clearance to maintain a specific rotation angle, resulting in gaps between the duct and the internal casing of the air conditioner. This creates a risk of air leakage and condensation when the duct is venting.

[0051] The above content is only used to assist in understanding the technical solution of the utility model and does not represent an admission that the above content is prior art.

[0052] This utility model proposes an air conditioner. The aim is to optimize the structure of the air conditioner, reducing the gap between the air duct and the internal casing of the air conditioner while enabling the air duct to rotate as a whole, thereby reducing air leakage and condensation in the air duct.

[0053] Please see Figures 1 to 15In one embodiment of the present invention, the air conditioner 100 includes a housing 10, a duct housing 21, and an air outlet structure. The housing 10 is provided with an air inlet 102, an air outlet 101, and a main air duct connecting the air outlet 101 and the air inlet 102. The main air duct has a first sidewall 11 and a second sidewall 12 opposite to each other. The air outlet 101 has at least a first air outlet area and a second air outlet area. The duct housing 21 is movably disposed within the main air duct and has a first position and a second position.

[0054] When the air duct shell 21 is in the first position, the air duct shell 21 connects the air inlet 102 with the first air outlet area, one side of the air duct shell 21 abuts against the first side wall 11, and the other side of the air duct shell 21 is sealed to the end of the second side wall 12 near the air inlet 102.

[0055] When the air duct shell 21 is in the second position, the air duct shell 21 connects the air inlet 102 with the second air outlet area. One side of the air duct shell 21 is sealed to the end of the first side wall 11 near the air inlet 102, and the other side of the air duct shell 21 abuts against the second side wall 12.

[0056] It should be noted that the air conditioner 100 of this utility model can be a whole-type air conditioner 100, a split-type air conditioner 100, or an indoor unit consisting only of a split-type air conditioner 100.

[0057] In one embodiment, the air conditioner 100 is configured as a wall-mounted unit.

[0058] In one embodiment, the air conditioner 100 is configured as a split-type air conditioner 100 including a wall-mounted unit, and the housing 10 is disposed on the wall-mounted unit.

[0059] In this invention, the air conditioner 100 further includes a heat exchanger 50 and a fan assembly 30. The fan assembly 30 is disposed within the duct housing 21, and the heat exchanger 50 is disposed within the casing 10, located between the air inlet 102 and the duct housing 21. When the air conditioner 100 is operating, air enters through the air inlet 102, exchanges heat with the heat exchanger 50, and then enters the duct housing 21. The fan assembly 30 guides the airflow within the duct housing 21, and the air is blown out from the duct outlet 201. In an embodiment of this invention, when the air conditioner 100 is configured as a wall-mounted unit, the first air outlet area can be located near the top of the air conditioner 100, and the second air outlet area can be located near the bottom of the air conditioner 100. Of course, in other embodiments of this utility model, the air conditioner 100 can also be defined as a vertically mounted air conditioner 100 or a floor-standing air conditioner. In this way, the first air outlet area can be set near one side of the air conditioner 100, and the second air outlet area can be set near the other side of the air conditioner 100.

[0060] The air conditioner 100 of this utility model is provided with at least a cooling mode and a heating mode. When the air conditioner 100 is configured as a wall-mounted unit, when the air conditioner 100 is running in cooling mode, the air duct shell 21 can be moved to the first position, and the air duct outlet 201 is connected to the first air outlet area. At this time, the air outlet 201 is positioned higher, and when the air conditioner 100 is discharging air, it does not need to guide the airflow upward through the air guide plate, thereby reducing the pressure loss of the airflow. It can take advantage of the fact that cold air has a high density and is easier to sink, so that the cold air covers the indoor space from top to bottom to achieve cooling. When the air conditioner 100 is in heating mode, the air duct housing 21 can be moved to the second position, and the air duct outlet 201 is located at the end of the air outlet 101 near the bottom of the housing 10. At this time, the air outlet is more downward, and the air duct outlet 201 does not need to be pressed down by the air guide plate when hot air is emitted. The pressure loss of the airflow is small, and the airflow is more likely to flow close to the wall to the ground or directly to the ground. Thus, the characteristic of hot air having low density and being easy to rise can be used to make hot air cover the indoor space from bottom to top to achieve heating.

[0061] In addition, in cooling mode and heating mode, the air duct housing 21 can also be located between the first position and the second position, and the air duct outlet 201 can be located between the position near the top of the housing 10 and the position near the bottom of the housing 10. This utility model does not make specific limitations.

[0062] When the duct housing 21 moves to the first position within the main air duct and air is discharged from the first air outlet area of ​​the air outlet 101, there is a large gap between the duct housing 21 and the second air outlet area of ​​the air outlet 101. At this time, one side of the duct housing 21 near the second air outlet area seals against the second side wall 12 near the second air outlet area, sealing the large gap. Simultaneously, the other side of the duct housing 21 abuts against the second side wall 12. This prevents air leakage when the air conditioner 100 discharges air from the first air outlet area. The same applies when the duct housing 21 moves to the second position within the main air duct and discharges air. The sealing between the one side of the duct housing 21 near the first air outlet area and the second side wall 12 near the first air outlet area, and the abutment between the other side of the duct housing 21 and the first side wall 11, prevents air leakage when the air conditioner 100 discharges air from the second air outlet area.

[0063] One side of the aforementioned duct housing 21 is sealed to the first sidewall 11, which can be achieved through abutment, snap-fit, or overlap. When the sealing fit between one side of the duct housing 21 and the first sidewall 11 is an overlap, protrusions extending towards each other can be provided on one side of the duct housing 21 and the first sidewall 11. When the duct housing 21 moves to the first position, the protrusion on one side of the duct housing 21 moves to the protrusion near the first sidewall 11, and the two protrusions overlap each other, achieving a sealed connection between the first sidewall 11 and the first volute tongue 21a. Alternatively, when the other side of the duct housing 21 is sealed to the second sidewall 12 in an overlap manner, the above-mentioned arrangement can also be used, which will not be elaborated upon here.

[0064] The housing 10 may include a front frame assembly 10a, a chassis assembly 10b, and a panel 10c, which are sequentially assembled to form the housing 10. The chassis assembly 10b is used for the installation and fixation of the air conditioner 100. The front frame assembly 10a serves as the main structure of the housing 10, housing the heat exchanger 50 and the air duct housing 21. The air outlet 101 of the housing 10 may be located on the panel 10c or on the front frame assembly 10a. The air inlet 102 may be located at the top or front of the front frame assembly 10a; the specific location is not limited.

[0065] The technical solution of this utility model is to set a main air duct inside the housing 10, and set a movable air duct shell 21 inside the main air duct. When the air duct shell 21 moves to the first position, the air duct outlet 201 of the air duct shell 21 can be connected with the first air outlet area of ​​the air outlet 101, so that the air conditioner 100 can blow air directly from the first air outlet area. When the air duct shell 21 moves to the second position, the air duct outlet 201 of the air duct shell 21 can be connected with the second air outlet area of ​​the air outlet 101, so that the air conditioner 100 can blow air directly from the second air outlet area. When the air conditioner 100 is configured as a wall-mounted unit, with the first air outlet area close to the top of the wall-mounted unit and the second air outlet area close to the bottom of the wall-mounted unit, the air conditioner 100 can achieve downward direct air blowing, avoiding the wind pressure loss and air volume reduction caused by changing the wind direction using air guide plates or air guide grilles, as well as the noise caused by the formation of eddies.

[0066] Furthermore, when the air conditioner 100 discharges air through the first air outlet area, the side of the duct housing 21 closest to the second air outlet area can seal against the first side wall 11, and the other side of the duct housing 21 can abut against the second side wall 12. This prevents air leakage when the air conditioner 100 discharges air from the first position. Similarly, when the air conditioner 100 discharges air through the second air outlet area, the side of the duct housing 21 closest to the first air outlet area can seal against the second side wall 12, preventing air leakage when the air conditioner 100 discharges air from the second position. In this way, while enabling the air conditioner 100 to deliver air downwards, air leakage is prevented due to a large gap between the duct housing 21 and the main air duct. This also prevents unheated external airflow from entering the main air duct through the gap between the duct housing 21 and the main air duct, where it combines with the airflow inside the duct to produce condensation.

[0067] See Figure 2 , Figure 4 In one embodiment, the air conditioner 100 further includes a drive assembly and a fan assembly 30. The fan assembly 30 is disposed within the duct housing 21. The duct housing 21 is rotatably disposed within the housing 10 about the axis of the fan assembly 30. The drive assembly is used to drive the duct housing 21 to rotate between a first position and a second position.

[0068] The driving component can be configured as a drive motor and a gear set structure. The gear set structure is connected to the drive motor and the air duct housing 21 respectively. Driven by the drive motor, the air duct housing 21 is rotated, allowing it to switch between a first position and a second position, thus changing the orientation of the air duct outlet 201. Furthermore, when the air duct housing 21 switches positions by being driven to rotate, the shielding member 22 and the portion of the housing 10 with the air outlet 101 are designed as concentric circles in projection. During the movement of the air duct housing 21, the shielding member 22 remains concentric with the portion of the housing 10 with the air outlet 101, with a constant distance between them. This allows for a sufficiently small distance between the shielding member 22 and the housing 10, simplifying the method of shielding the exposed portion of the air outlet 101 during the movement of the air duct housing 21. The configuration cost of the air duct housing 21 and the shielding member 22 is also lower.

[0069] In other embodiments, the driving component can be configured as a separate motor structure to realize the rotation of the air duct shell 21, or the driving component does not need to drive the air duct shell 21 to rotate, but instead drives the air duct shell 21 to move along a preset track, so that the air duct shell 21 can switch between a first position and a second position. The specific configuration is not limited.

[0070] In other embodiments of this utility model, a driving component may not be provided, and the duct shell 21 may be rotated manually to switch between a first position and a second position. Optionally, the fan assembly 30 may be configured as a cross-flow fan, and the rotation axis of the duct shell 21 may be the axis of the cross-flow fan.

[0071] This configuration allows the rotation axis of the duct housing 21 to coincide with the axis of the cross-flow fan. When the duct housing 21 rotates, the fan assembly 30 can always remain in its original position without moving. This makes the wiring of the fan assembly 30 within the housing 10 simpler, eliminating the need to consider changes in the wiring position of the fan assembly 30 when it moves.

[0072] Optionally, the air duct shell 21 includes a first volute tongue 21a and a second volute tongue 21b arranged opposite to each other along its rotation direction. The first volute tongue 21a and the second volute tongue 21b enclose and form a diversion air duct 202. The diversion air duct 202 has an air duct inlet 203 that communicates with the air inlet 102 and an air duct outlet 201 that communicates with the air outlet 101.

[0073] With this configuration, the airflow duct 202 can be defined by the first volute tongue 21a and the second volute tongue 21b, thereby guiding air from the airflow duct inlet 203 to the airflow duct outlet 201. When the airflow duct inlet 203 is connected to the air inlet 102 and the airflow duct outlet 201 is connected to the air outlet 101, the air conditioner 100 can be guided to vent air.

[0074] See Figure 7 , Figure 8 As shown, in one embodiment, the first volute tongue 21a is provided with a first sealing part 211 at one end near the air duct inlet 203, and the first sidewall 11 is provided with a first sealing mating part 111 at one end near the air duct inlet 203;

[0075] When the air duct housing 21 is in the first position, the first sealing part 211 is sealed and engaged with the first sealing mating part 111, and the second volute tongue 21b at least partially abuts against the second side wall 12 to form a seal.

[0076] With this configuration, when the duct shell 21 is in the first position, the area of ​​the duct shell 21 away from the first position can be sealed by the cooperation of the first sealing part 211 and the first sealing mating part 111, and the area of ​​the duct shell 21 close to the first position can also be sealed by the abutment of the second volute tongue 21b and the second side wall 12. This allows both sides of the duct shell 21 to be sealed and connected to the main duct. As a result, the air inlet 102 and the air outlet 101 of the main duct can only be connected through the duct shell 21, thereby preventing air leakage and condensation in the main duct.

[0077] In this embodiment, the second volute tongue 21b abuts against the second sidewall 12. This can be achieved by the outer periphery of the second volute tongue 21b substantially coinciding with the outer periphery of the second sidewall 12. When the air duct shell 21 is in the first position, the outer surface of the second volute tongue 21b substantially and completely abuts against the inner surface of the second sidewall 12, thus achieving a seal at the location of the second sidewall 12. Alternatively, in other embodiments, the outer periphery of the second volute tongue 21b can partially coincide with the second sidewall 12. When the air duct shell 21 is in the second position, the outer surface of the second volute tongue 21b partially abuts against the inner surface of the second sidewall 12, which also achieves a seal.

[0078] See Figure 4 , Figure 5 As shown, the second volute tongue 21b is provided with a second sealing part 212 at one end near the air duct inlet 203, and the second sidewall 12 is provided with a second sealing mating part 121 at one end near the air duct inlet 203;

[0079] When the air duct housing 21 is in the second position, the second sealing part 212 and the second sealing mating part 121 are sealed together, and the first volute tongue 21a at least partially abuts against the first side wall 11 to form a seal.

[0080] Similar to the sealing of the main air duct when the air duct housing 21 is in the first position, when the air duct housing 21 is in the second position, the second volute tongue 21b of the air duct housing 21 near the first position engages with the second sidewall 12, so that the second sealing part 212 on the second volute tongue 21b and the second sealing engagement part 121 on the second sidewall 12 are sealed together. Furthermore, the first volute tongue 21a of the air duct housing 21 near the second position at least partially abuts against the first sidewall 11, so that the first volute tongue 21a and the second volute tongue 21b forming the air duct housing 21 respectively form a sealing relationship with the first sidewall 11 and the second sidewall 12 constituting the main air duct. This ensures that the air inlet 102 and the air outlet 101 are connected only through the air duct housing 21. This prevents air leakage at other locations of the air outlet 101 when the air conditioner 100 is discharging air through the second air outlet area, and also prevents condensation from forming inside the main air duct.

[0081] See Figure 10 As shown, in one embodiment, the first sealing portion 211 is disposed on the outer edge of the air duct inlet 203 and bent toward the side near the first sidewall 11. The first bent portion overlaps with the first sealing mating portion 111 to form a seal between the first sidewall 11 and the first volute tongue 21a; and / or

[0082] The second sealing part 212 is provided on the outer edge of the air duct inlet 203 and bends toward the side close to the second side wall 12. The second sealing mating part 121 protrudes toward the air duct 202 relative to the second side wall 12. The second sealing part 212 and the second sealing mating part 121 overlap and engage to form a seal between the second side wall 12 and the second volute tongue 21b.

[0083] The first sealing portion 211 is bent towards the side closest to the first sidewall 11 to form a first bent member, and the second sealing portion 212 is bent towards the side closest to the second sidewall 12 to form a second bent member. The second sealing mating portion 121 protrudes relative to the second sidewall 12 towards the airflow duct 202 to form a protrusion. This ensures that the first sealing portion 211 can overlap with the first sealing mating portion 111, and that the second sealing portion 212 can overlap with the second sealing mating portion 121.

[0084] In another embodiment of this utility model, the first sealing mating part 111 can be provided to extend toward the air duct shell 21, so that the first sealing part 211 overlaps with the first sealing mating part 111, and there can be a larger overlapping contact area to ensure the sealing effect when overlapping.

[0085] Alternatively, at least one of the first bent member and the first sealing mating part 111 may be provided with a sealing gasket. When the first bent member and the first sealing mating part 111 overlap, the sealing gasket is located between the first sealing part 211 and the first sealing mating part 111. This arrangement not only achieves sealing through the overlap of the first sealing part 211 and the first sealing mating part 111, but also enhances the sealing effect when they overlap. Alternatively, at least one of the second sealing part 212 and the second sealing mating part 121 may be provided with a sealing gasket. When the second sealing part 212 and the second sealing mating part 121 overlap, the sealing gasket is located between the second sealing part 212 and the second sealing mating part 121. This also enhances the sealing effect of the overlap between the second sealing part 212 and the second sealing mating part 121.

[0086] See Figure 4 , Figure 7 , Figure 12 As shown, the air conditioner 100 also includes a shield 22, which is located on the outside of the air duct outlet 201;

[0087] When the duct housing 21 is in the first position, the shielding member 22 shields the second air outlet area; when the duct housing 21 is in the second position, the shielding member 22 shields the first air outlet area.

[0088] With this configuration, when the air duct housing 21 rotates within the main air duct and air is discharged from the first air outlet area, it can achieve sealing not only through the overlapping fit of the first bending member and the first sealing mating part 111, but also through the abutting fit between the second volute tongue 21b and the second side wall 12. Furthermore, the shielding member 22 can shield the second air outlet area, making the external integrity of the air conditioner 100 stronger. At the same time, the shielding member 22 can also form a secondary seal between the first volute tongue 21a and the first side wall 11, so that the second air outlet area can achieve a higher sealing effect through the shielding member 22 and the overlapping fit of the first bending member and the first sealing mating part 111, further improving the effect of preventing air leakage.

[0089] It is understandable that when the duct housing 21 rotates to the second position in the main air duct and discharges air in the second air outlet area, the first air outlet area can achieve a double sealing effect through the shielding of the shielding member 22 and the overlap of the second bending member and the second sealing mating part 121, so as to further improve the air leakage prevention effect of the duct housing 21 when discharging air in the second air outlet area.

[0090] See Figure 10 , Figure 15As shown, optionally, in one embodiment, the housing 10 is provided with rotating bases 14 located on both sides of the air duct housing 21. The air duct housing 21 is provided with mounting holes 213 on both sides. The rotating bases 14 are inserted into the mounting holes 213 to limit the movement of the air duct housing 21 in the radial direction of the fan assembly 30. The outer periphery of the rotating bases 14 is provided with limiting flanges 141. The limiting flanges 141 abut against the outer edge of the mounting holes 213 to limit the movement of the air duct housing 21 in the axial direction of the fan assembly 30.

[0091] The rotating base 14 is used to mount the fan assembly 30. When the fan assembly 30 is configured as a cross-flow impeller, the rotating base 14 serves as a rotating seat for the cross-flow impeller. The rotating base 14 is inserted into the duct shell 21 through the mounting hole 213 and assembled with the cross-flow impeller located inside the duct shell 21. With this configuration, when the duct shell 21 moves, the movement of the duct shell 21 in the radial direction of the cross-flow impeller is limited by the cooperation between the rotating base 14 and the mounting hole 213. Furthermore, the limiting flange 141 cooperates with the outer edge of the mounting hole 213 to limit the movement of the duct shell 21 in the axial direction of the cross-flow impeller. The limiting flanges 141 of the two rotating bases 14 can be provided simultaneously inside or outside the duct shell 21; no specific limitation is made here.

[0092] Optionally, at least one set of mounting holes 213 may have a notch 214 on its outer periphery. The notch 214 may be elastic, so that the rotating base 14 can be installed into the mounting hole 213 through the notch 214. This facilitates the assembly between the duct housing 21 and the fan assembly 30.

[0093] See Figure 5 , Figure 7 In one embodiment, when the duct housing 21 is in the first position, the shielding member 22 overlaps with the housing 10 at the edge of the second air outlet area; and / or, when the duct housing 21 is in the second position, the shielding member 22 overlaps with the housing 10 at the edge of the first air outlet area.

[0094] This design ensures that the shielding member 22 can connect with the housing 10 regardless of the movement position of the duct housing 21, preventing the rest of the air outlet 101 from being exposed. Furthermore, when the duct housing 21 is in the second position near the bottom of the housing 10 and the first position near the top of the housing 10, the shielding member 22 can minimize the obstruction of the rest of the air outlet 101, allowing the duct housing 21 to have a larger swing angle, reaching 30 to 50 degrees. This enables the air outlet 201 to have an air outlet position closer to the bottom and top of the housing 10.

[0095] Furthermore, when the air duct housing 21 is in the first position and the second position, since the shielding member 22 can overlap with the housing 10, the non-air outlet area of ​​the air outlet 101 can be prevented from communicating with the external environment, thus ensuring the sealing effect of the non-air outlet area of ​​the air outlet 101.

[0096] In addition, a baffle 223 can be provided for the shield 22 to reduce the gap between the shield 22 and the housing 10 and improve the sealing effect of the shield 22 on the non-air outlet area of ​​the air outlet 101.

[0097] See Figure 8 , Figure 10 As shown, in one embodiment, a recessed groove 13 is formed on the housing 10. The recessed groove 13 is located on the side of the housing 10 near the first air outlet area. When the air duct housing 21 is in the first position, the side of the shielding member 22 near the top of the housing 10 is at least partially accommodated in the recessed groove 13.

[0098] The recess 13 can be formed on the panel 10c of the housing 10 and connected to the side of the air outlet 101. When the duct housing 21 moves toward the first position, the baffle slides toward the recess 13. When the duct housing 21 is in the first position, the portion of the baffle near the top of the housing 10 is accommodated in the recess 13. This allows for the positioning of the baffle. Furthermore, when the duct housing 21 is in the first position, the baffle can also abut against the wall of the recess 13 on the side away from the air outlet 101, so that the recess 13, together with the second side wall 12, can limit the movement of the duct housing 21.

[0099] For details, please refer to [link / reference]. Figure 8 As shown, in one embodiment, when the baffle is housed in the sink 13, the baffle abuts against the sink wall of the sink 13 on the side away from the air outlet 101.

[0100] In addition, the projection plane can be set with the outer periphery of the baffle plate perpendicular to the center line of the fan assembly 30. The projection of the outer periphery of the housing 10 located at the upper part of the sink 13 is on the same concentric circle. When the baffle plate abuts against the wall of the sink 13, the baffle plate and the housing 10 are connected. From the outside of the air conditioner 100, the integration is stronger.

[0101] See Figure 4 , Figure 12As shown, the shielding member 22 includes a shielding plate and a retaining edge 223 disposed around the periphery of the shielding plate. The retaining edge 223 is disposed on the side of the shielding plate facing the housing 10. The retaining edge 223 can be disposed on one side of the shielding plate, on both sides of the shielding plate, or on each side of the shielding plate. Since the retaining edge 223 is disposed on the side of the shielding plate facing the housing 10, this arrangement not only reduces the gap between the edge of the shielding plate and the housing 10, reducing air leakage between the housing 10 and the shielding plate, but also enhances the structural strength of the shielding plate.

[0102] See Figure 9 , Figure 12 , Figure 13 As shown, the shielding member 22 also includes an extension 222 provided on the side of the shielding plate near the air duct shell 21. The shielding plate has an air outlet. The extension 222 surrounds the outer periphery of the air outlet. The extension 222 has an air outlet duct 221. The air outlet duct 221 connects the air outlet and the air duct outlet 201.

[0103] The extension 222 can be a protrusion located on the outer periphery of the air duct outlet 201 facing the housing 10. The protrusion passes through the air duct 221. The extension 222 can be integrally formed with the baffle plate. This can enhance the structural strength of the baffle plate at the air duct outlet 201 and avoid the problem of the baffle plate's structural strength deteriorating due to the direct opening at the air duct outlet 201. At the same time, the extension 222 can form the air duct 221 to provide air supply for the air duct 202.

[0104] Optionally, the shielding member 22 and the air duct shell 21 are assembled; or, the shielding member 22 and the air duct shell 21 are integrally formed.

[0105] In this utility model, the shielding member 22 and the air duct shell 21 together form the air duct assembly 20. The shielding member 22 and the air duct shell 21 can be assembled to form the air duct assembly 20. The assembly structure can include structures formed by snap-fit ​​assembly, threaded connection assembly, welding assembly, etc. This utility model does not make specific limitations.

[0106] In one embodiment, the duct housing 21 has a mounting buckle 215 on the periphery of the duct outlet 201, and the shielding member 22 has a mounting groove on the periphery of the extension 222. The mounting buckle 215 engages with the mounting groove to snap and position the shielding member 22 on the periphery of the duct outlet 201 of the duct housing 21. Alternatively, a first mounting hole can be provided on the periphery of the duct outlet 201, and a second mounting hole can be provided on the periphery of the extension 222. When the shielding member 22 is snapped and positioned on the periphery of the duct outlet 201 of the duct housing 21, the first mounting hole aligns with the second mounting hole, and the shielding member 22 can be installed on the duct housing 21 by inserting fasteners.

[0107] See Figure 6 , Figure 7 , Figure 9 As shown, in one embodiment, the air conditioner 100 further includes a damper 40, which is movably mounted on the housing 10 and is used to shield or open the air duct outlet 201 of the air duct housing 21.

[0108] Since the rest of the air outlet 101 is blocked by the baffle, when the air conditioner 100 is not in operation, the air duct outlet 201 can be blocked by the movable damper 40, so that the part of the air outlet 101 exposed at the air duct outlet 201 can also be blocked, thereby ensuring the airtightness of the air outlet 101 and improving the dustproof effect of the air conditioner 100; or, the air outlet 101 located on the casing 10 can be directly blocked by the damper 40, which can also achieve the effect of improving the airtightness of the air outlet 101.

[0109] In addition, the damper 40, when open, can also be used to guide airflow. Optionally, the damper 40 is configured as a guide vane rotatably connected to the housing 10, which guides the airflow at the air outlet 101. Thus, when the duct assembly 20 is in the first position and the air conditioner 100 is discharging air, the guide vane can also guide the airflow towards a position closer to the top of the housing 10, allowing the air conditioner 100 to dissipate air towards a more upward direction; when the duct assembly 20 is in the second position and the air conditioner 100 is discharging air, the guide vane can also guide the airflow towards a position closer to the bottom of the housing 10, allowing the air conditioner 100 to dissipate air towards a more downward direction. This improves the airflow adjustment angle range of the air conditioner 100.

[0110] In this invention, the air conditioner 100 has at least a cooling mode, a heating mode, and a shutdown mode. With a panel 10c on the casing 10, and the air outlet 101 located below the panel 10c, a first air outlet area positioned close to the panel 10c, and a second air outlet area located below the first air outlet area, when the air conditioner 100 is in cooling mode, the duct housing 21 can be rotated by a drive component, placing the duct assembly 20 in a first position. The duct outlet 201 is opened by the damper 40 and adjusted to a position tilted upwards towards the air conditioner 100. During cooling, the air conditioner 100 discharges air through the duct outlet 201 towards a position near the top of the air conditioner 100. At this time, the gap between the duct housing 21 and the main duct is sealed by the sealing engagement of the first sealing part 211 and the first sealing mating part 111, and by the abutment of the second volute tongue 21b against the second sidewall 12. When the air conditioner 100 is in heating mode... The air duct housing 21 can be rotated by a drive component, so that the air duct assembly 20 is in the second position, and the air duct outlet 201 is opened by the damper 40 and adjusted to a position tilted downwards towards the air conditioner 100. When the air conditioner 100 is heating, air is discharged from the air duct outlet 201 towards a position near the bottom of the air conditioner 100. At this time, the gap between the air duct housing 21 and the main air duct is sealed by the overlap of the second sealing part 212 and the second sealing mating part 121 and the abutment of the first volute tongue 21a and the first side wall 11. When the air conditioner 100 is in the off mode, the air duct assembly 20 can be in the first position, the second position, or a position between the first and second positions. At this time, the air duct outlet 201 is closed by the damper 40, so that there are no exposed gaps at the air outlet of the air conditioner 100, preventing dust and foreign objects from entering the interior of the air conditioner 100 from this position. Of course, in order to ensure the integrity of the appearance of the air conditioner 100 when it is turned off, the air conditioner 100 can be set to the first position when it is turned off. At this time, the shield 22 is housed in the recess 13 and abuts against the wall of the recess 13, so that the air conditioner 100 has a better external integrity.

[0111] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An air conditioner, characterized in that, include: The housing has an air inlet, an air outlet, and a main air duct connecting the air outlet and the air inlet. The main air duct has a first sidewall and a second sidewall, and the air outlet has at least a first air outlet area and a second air outlet area. as well as The air duct shell is movably disposed within the main air duct, and the air duct shell has a first position and a second position; When the duct shell is in the first position, the duct shell connects the air inlet to the first air outlet area, one side of the duct shell abuts against the first side wall, and the other side of the duct shell is sealed to the end of the second side wall near the air inlet. When the duct housing is in the second position, the duct housing connects the air inlet to the second air outlet area. One side of the duct housing is sealed to the end of the first sidewall near the air inlet, and the other side of the duct housing abuts against the second sidewall.

2. The air conditioner as described in claim 1, characterized in that, The air conditioner also includes a drive assembly and a fan assembly. The fan assembly is disposed inside the duct housing. The duct housing is rotatably disposed inside the housing about the axis of the fan assembly. The drive assembly is used to drive the duct housing to rotate between a first position and a second position.

3. The air conditioner as described in claim 2, characterized in that, The air duct shell includes a first volute and a second volute disposed opposite to each other along its rotation direction. The first volute and the second volute enclose each other to form a diversion air duct. The diversion air duct has an air duct inlet that connects to the air inlet and an air duct outlet that connects to the air outlet.

4. The air conditioner as described in claim 3, characterized in that, The first volute tongue is provided with a first sealing part at one end near the air duct inlet, and the first sidewall is provided with a first sealing mating part at one end near the air duct inlet; When the duct housing is in the first position, the first sealing part and the first sealing mating part are sealed together, and the second volute tongue at least partially abuts against the second sidewall to form a seal.

5. The air conditioner as described in claim 4, characterized in that, The second volute tongue is provided with a second sealing part at one end near the air duct inlet, and the second sidewall is provided with a second sealing mating part at one end near the air duct inlet; When the duct housing is in the second position, the second sealing part and the second sealing mating part are sealed together, and the first volute tongue at least partially abuts against the first sidewall to form a seal.

6. The air conditioner as described in claim 5, characterized in that, The first sealing portion is located at the outer edge of the air duct inlet and is bent towards the side closest to the first sidewall. The first sealing portion overlaps with the first sealing mating portion to form a seal between the first sidewall and the first volute tongue; and / or The second sealing part is located on the outer edge of the air duct inlet and is bent toward the side close to the second side wall. The second sealing mating part protrudes toward the air duct relative to the second side wall. The second sealing part overlaps with the second sealing mating part to form a seal between the second side wall and the second volute tongue.

7. The air conditioner as described in claim 3, characterized in that, The air conditioner also includes a shield, which is located on the outside of the air duct outlet; When the duct housing is in the first position, the shielding member blocks the second air outlet area; when the duct housing is in the second position, the shielding member blocks the first air outlet area.

8. The air conditioner as described in claim 7, characterized in that, When the duct housing is in the first position, the shield overlaps with the housing at the edge of the second air outlet area; and / or, when the duct housing is in the second position, the shield overlaps with the housing at the edge of the first air outlet area.

9. The air conditioner as described in claim 7, characterized in that, The shielding member includes a shielding plate and a retaining edge disposed around the periphery of the shielding plate, the retaining edge being disposed on the side of the shielding plate facing the housing; and / or The shielding component includes a shielding plate and an extension. The shielding plate has an air outlet. The extension surrounds the outer periphery of the air outlet and has an air outlet duct. The air outlet duct connects the air outlet and the duct outlet.

10. The air conditioner as claimed in claim 1, characterized in that, The air conditioner also includes a damper, which is movably installed on the housing and is used to cover or open the air duct outlet of the air duct housing. The damper is configured as a guide plate rotatably connected to the housing, and the guide plate is used to guide the airflow at the air outlet.

11. The air conditioner as claimed in any one of claims 1 to 10, characterized in that, The housing has a panel, the air outlet is located on the lower side of the panel, the first air outlet area is located close to the panel, and the second air outlet area is located below the first air outlet area; And / or, the air conditioner is configured as a wall-mounted unit; Alternatively, the air conditioner may be configured as a split-type air conditioner including a wall-mounted unit, the housing of which is located on the wall-mounted unit.