Air duct structure and air conditioner

Abstract

The utility model discloses an air duct structure and an air conditioner, and relates to the technical field of air conditioners, the air duct structure comprises a shell, a driving mechanism and an air deflector; the shell is provided with an air inlet and an air outlet, an air duct communicating the air inlet with the air outlet is formed in the shell, and the air outlet is configured to face the ground; the driving mechanism is arranged on the shell; the air deflector is in transmission connection with the driving mechanism, the driving mechanism drives the air deflector to open or close the air outlet, and the air deflector has a first open state and a second open state; when the air guide plate is in the first open state, the air guide plate is located below the air outlet. When the air deflector is in the second open state, the air deflector is located on the front side of the shell. According to the technical scheme provided by the utility model, the effects that hot air falls to the ground faster and the heating comfort is better when the air conditioner wall inner machine is heated can be realized.

Description

Technical Field

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

[0002] When an air conditioner is working, the motor drives the cross-flow fan to rotate, and the airflow is delivered through the air inlet, heat exchanger, cross-flow fan, and air outlet assembly. When the air conditioner changes the airflow direction, related technologies use air outlet components such as rotating air guide vanes and rotating air guide grilles to move at the air outlet and change the airflow direction. However, the air outlet assembly will generate local pressure loss at the air outlet, increasing airflow resistance and resulting in significant airflow loss. This leads to a reduction in the airflow volume of the air conditioner. Therefore, during heating, due to the loss of airflow, a strong Coanda effect cannot be formed, resulting in poor hot air landing and poor heating comfort. Utility Model Content

[0003] The main purpose of this utility model is to propose a duct structure and air conditioner, which aims to achieve the effect of hot air landing faster and heating comfort when the air conditioner is heating.

[0004] To achieve the above objectives, this utility model proposes a duct structure, comprising:

[0005] The outer casing has an air inlet and an air outlet, and an air duct is formed inside the outer casing to connect the air inlet and the air outlet. The air outlet is configured to face the ground.

[0006] The drive mechanism is located in the housing;

[0007] An air guide plate is connected to the drive mechanism, and the drive mechanism drives the air guide plate to open or close the air outlet. The air guide plate has a first open state and a second open state.

[0008] When the air guide plate is in the first open state, it is located below the air outlet; when the air guide plate is in the second open state, it is located on the front side of the outer casing.

[0009] In one embodiment, a fan wheel is provided in the air duct. The angle between the horizontal line passing through the center of rotation of the fan wheel and the edge of the air outlet away from the front side of the outer casing is defined as the air outlet angle α, which satisfies: 55°≤α≤65°.

[0010] In one embodiment, the drive mechanism includes:

[0011] A mounting base is provided on the housing;

[0012] The drive component is located on the mounting base;

[0013] A transmission assembly is driven to the drive assembly, and the drive assembly drives the transmission assembly to slide and rotate; the air guide plate is driven to the transmission assembly.

[0014] When the driving component drives the transmission component to slide in the first direction, the transmission component causes the air guide plate to switch between a closed state and a first open state; when the driving component drives the transmission component to rotate, the transmission component causes the air guide plate to switch between a first open state and a second open state.

[0015] In one embodiment, the driving component includes:

[0016] A sliding stage is located on one side of the mounting base;

[0017] A driving component is disposed on the sliding table and drives the sliding table to slide in the first direction; a transmission assembly is disposed on the sliding table and is connected to the driving component in a transmission manner, and the driving component drives the transmission assembly to slide and rotate.

[0018] In one embodiment, a guide groove extending along the first direction is provided on one side of the mounting base, and a sliding column is provided on the side of the sliding platform near the mounting base, the sliding column slidingly engaging with the guide groove.

[0019] In one embodiment, a rack extending along the first direction is provided on one side of the mounting base, a first rotating shaft is provided on one side of the sliding table, and the air guide plate is provided with a first shaft hole and a second shaft hole staggered along the first direction; the first rotating shaft is rotatably engaged with the first shaft hole; the transmission assembly includes:

[0020] A gear set is connected to the driving member and meshes with the rack; the gear set is provided with a second rotating shaft.

[0021] The connecting rod is hinged at one end to the second rotating shaft and rotatedly engaged with the second shaft hole at the other end.

[0022] In one embodiment, the gear set includes:

[0023] The drive gear is connected to the drive member and meshes with the rack.

[0024] The driven gear meshes with the driving gear, and a second rotating shaft is provided on one side of the driven gear, which is eccentrically arranged with the driven gear.

[0025] In one embodiment, the driving gear includes:

[0026] The first turntable is provided with a first meshing tooth, which meshes with the rack;

[0027] The second turntable is coaxially arranged with the first turntable. The diameter of the second turntable is smaller than that of the first turntable. The second turntable is provided with a second meshing tooth, which meshes with the driven gear. The first meshing tooth and the second meshing tooth are staggered in the circumferential direction of the first turntable.

[0028] In one embodiment, the driven gear includes:

[0029] The driven turntable is provided with a third meshing tooth, which meshes with the second meshing tooth;

[0030] The connecting rod crank is connected at one end to the surface of the driven turntable, and at the other end is provided with the second rotating shaft.

[0031] In one embodiment, a limiting groove extending along the first direction is provided on one side of the mounting base, the driving gear is provided with a first limiting post, and the driven gear is provided with a second limiting post. Both the first limiting post and the second limiting post are slidably engaged with the limiting groove.

[0032] And / or, the sliding table is provided with a limiting hole on the side near the mounting base, and the driven gear is also provided with a third limiting post, which is rotatably engaged with the limiting hole.

[0033] In one embodiment, the driving member is located on the side of the sliding table away from the mounting base. The sliding table has a through hole, and the output shaft of the driving member passes through the through hole to be connected to the drive gear for transmission.

[0034] In one embodiment, the drive gear has a mounting hole on the side near the sliding table, and the output shaft is inserted into the mounting hole.

[0035] To achieve the above objectives, this utility model also proposes an air conditioner, including the air duct structure described above.

[0036] The technical solution of this utility model increases the air outlet angle by setting the air outlet to face the ground. Therefore, when heating, there is no need to rely on the downward guiding effect of the air guide plate. When the air guide plate moves to the second open state, it is located on the front side of the outer shell, so that the air guide plate is away from the air outlet. In this way, the hot air delivered from the air outlet can blow directly to the ground, making the indoor ground temperature rise faster and the heating comfort better. Thus, the effect of the air conditioner heating hot air landing faster and heating comfort is achieved.

[0037] In addition, because the air guide plate is far away from the air outlet when heating, the airflow will not generate vortices at the air outlet, thus avoiding the problem of increased air conditioning noise caused by vortices. Attached Figure Description

[0038] 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.

[0039] Figure 1 A schematic diagram of an embodiment of the air duct structure provided by this utility model in the closed state;

[0040] Figure 2 A schematic diagram of an embodiment of the air duct structure provided by this utility model in a cooling state;

[0041] Figure 3 A schematic diagram of an embodiment of the air duct structure provided by this utility model in the heating state;

[0042] Figure 4 A cross-sectional view of an embodiment of the air duct structure provided by this utility model in the closed state;

[0043] Figure 5 A cross-sectional view of an embodiment of the air duct structure provided by this utility model in a cooling state;

[0044] Figure 6 A cross-sectional view of an embodiment of the air duct structure provided by this utility model in the heating state;

[0045] Figure 7 A partial structural schematic diagram of an embodiment of the air duct structure provided by this utility model;

[0046] Figure 8 A schematic diagram of the drive mechanism and air guide plate in one embodiment of the air duct structure provided by this utility model;

[0047] Figure 9 A partial structural schematic diagram of the drive mechanism and air guide plate in one embodiment of the air duct structure provided by this utility model;

[0048] Figure 10 A side view of the drive mechanism and air guide plate in the closed state of an embodiment of the air duct structure provided by this utility model;

[0049] Figure 11 A partial side view of the drive mechanism and air guide plate in the closed state of an embodiment of the air duct structure provided by this utility model;

[0050] Figure 12 A side view of the drive mechanism and air guide plate in the first open state of an embodiment of the air duct structure provided by this utility model;

[0051] Figure 13 A partial side view of the drive mechanism and air guide plate in the first open state of an embodiment of the air duct structure provided by this utility model;

[0052] Figure 14 A side view of the drive mechanism and air guide plate in the second open state of an embodiment of the air duct structure provided by this utility model;

[0053] Figure 15 A partial side view of the drive mechanism and air guide plate in the second open state of an embodiment of the air duct structure provided by this utility model;

[0054] Figure 16 An exploded view of the drive mechanism and air guide plate in one embodiment of the air duct structure provided by this utility model;

[0055] Figure 17 A schematic diagram of the mounting base in one embodiment of the air duct structure provided by this utility model;

[0056] Figure 18 A schematic diagram of the sliding table from one perspective in one embodiment of the air duct structure provided by this utility model;

[0057] Figure 19 A schematic diagram of the sliding table from another perspective in one embodiment of the air duct structure provided by this utility model;

[0058] Figure 20 A schematic diagram of the active gear from one perspective in one embodiment of the air duct structure provided by this utility model;

[0059] Figure 21 A schematic diagram of the drive gear from another perspective in one embodiment of the air duct structure provided by this utility model;

[0060] Figure 22 A schematic diagram of the driven gear from a perspective of one embodiment of the air duct structure provided by this utility model;

[0061] Figure 23 A schematic diagram of the driven gear from another perspective in one embodiment of the air duct structure provided by this utility model.

[0062] Explanation of icon numbers:

[0063]

[0064]

[0065] 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

[0066] 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.

[0067] 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.

[0068] 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.

[0069] When an air conditioner is working, the motor drives the cross-flow fan to rotate, and the airflow is delivered through the air inlet, heat exchanger, cross-flow fan, and air outlet assembly. When the air conditioner changes the airflow direction, related technologies use air outlet components such as rotating air guide vanes and rotating air guide grilles to move at the air outlet and change the airflow direction. However, the air outlet assembly will generate local pressure loss at the air outlet, increasing airflow resistance and resulting in significant airflow loss. This leads to a reduction in the airflow volume of the air conditioner. Therefore, during heating, due to the loss of airflow, a strong Coanda effect cannot be formed, resulting in poor hot air landing and poor heating comfort.

[0070] Based on the above problems, this utility model proposes a duct structure 100, aiming to achieve faster hot air landing and better heating comfort during air conditioning heating. This duct structure 100 is applied in an air conditioner. The duct 113 of the duct structure 100 can be equipped with a heat exchanger 50, a fan wheel 40, and other structures. The air conditioner also includes a fan, which drives the fan wheel 40 of the duct structure 100 to rotate, so that airflow is delivered through the air inlet 111, heat exchanger 50, fan wheel 40, and air outlet 112. The structure of the duct structure 100 will be described below by way of embodiments.

[0071] Please see Figures 1 to 7 In one embodiment of this utility model, the air duct structure 100 includes a housing 10, a drive mechanism 20, and a guide plate 30. The housing 10 is provided with an air inlet 111 and an air outlet 112. An air duct 113 is formed inside the housing 10, connecting the air inlet 111 and the air outlet 112. The air outlet 112 is configured to face the ground. The drive mechanism 20 is disposed on the housing 10. The guide plate 30 is tractively connected to the drive mechanism 20. The drive mechanism 20 drives the guide plate 30 to open or close the air outlet 112. The guide plate 30 has a first open state and a second open state. When the guide plate 30 is in the first open state, the guide plate 30 is located below the air outlet 112. When the guide plate 30 is in the second open state, the guide plate 30 is located on the front side of the housing 10.

[0072] In this embodiment, the outer casing 10 is the complete outer casing 10 of the indoor unit of the air conditioner, and is provided with an air inlet 111 and an air outlet 112, and an air duct 113 connecting the air inlet 111 and the air outlet 112 is formed inside. The air outlet 112 is set towards the ground. It can be understood that when the air conditioner including this air duct structure 100 is installed on the wall, the air outlet 112 faces downward of the air conditioner. In some embodiments, a noise reduction cavity connected to the air duct 113 can also be formed inside the outer casing 10. The design of the noise reduction cavity can effectively reduce the noise generated by the air conditioner fan during operation, thereby improving the user experience. In some embodiments, in order to make the air conditioner more aesthetically pleasing in the heating state, the panel 12 of the outer casing 10 can include a flat section and an inwardly inclined section. The inwardly inclined section is connected to the lower part of the flat section. When the air guide plate 30 is in the second open state, the air guide plate 30 moves to the front side of the inwardly inclined section. At this time, the outer side of the air guide plate 30 is flush with the flat section.

[0073] The drive mechanism 20 is used to drive the air guide plate 30 to move, so that the air guide plate 30 has a closed state and an open state. The open state includes a first open state and a second open state. The first open state corresponds to the cooling state of the air conditioner, and the second open state corresponds to the heating state of the air conditioner. The drive mechanism 20 can be installed inside or outside the housing 10, as long as it can drive the air guide plate 30 to move and switch between the closed state, the first open state, and the second open state. There can be one or two drive mechanisms 20. For example, two drive structures can be provided on both sides of the air outlet 112 to smoothly drive the air guide plate 30. Specifically, the drive mechanism 20 can be a structure in which a drive motor cooperates with a gear rack 212, or a structure in which a drive motor cooperates with a gear rack 212 and a connecting rod 232.

[0074] The air guide vane 30 is used to move at the air outlet 112 to change the airflow direction. In cooling mode, the air guide vane 30 can move to the first open state, so that the air guide vane 30 is located below the air outlet 112, making the airflow direction guided by the air guide vane 30 close to the horizontal direction, so as to guide the airflow in a horizontal direction and avoid cold air blowing directly on the user. In heating mode, the air guide vane 30 can move to the second open state, so that the air guide vane 30 is located on the front side of the outer casing 10, so that the air guide vane 30 completely avoids the air outlet 112, thereby avoiding the air guide vane 30 affecting the airflow direction and increasing the air outlet angle of the air duct 113. Therefore, when heating, there is no need to rely on the downward guiding effect of the air guide vane 30, and the hot air delivered from the air outlet 112 can blow directly to the ground, so that the indoor floor temperature rises faster and the heating comfort is better.

[0075] In summary, the technical solution of this utility model increases the air outlet angle of the air duct 113 by setting the air outlet 112 to face the ground. Therefore, when heating, there is no need to rely on the downward guiding effect of the air guide plate 30. When the air guide plate 30 moves to the second open state, it is located on the front side of the outer shell 10, so that the air guide plate 30 is away from the air outlet 112. In this way, the hot air delivered from the air outlet 112 can blow directly to the ground, so that the indoor ground temperature rises faster and the heating comfort is better. Thus, the effect of hot air landing faster and heating comfort is achieved when the air conditioner is heating.

[0076] In addition, since the air guide plate 30 is far away from the air outlet 112 when heating, the airflow will not generate vortices at the air outlet 112, thus avoiding the problem of increased air conditioning noise caused by vortices.

[0077] Please see Figure 6In one embodiment of this utility model, a fan wheel 40 is provided in the air duct 113. The angle between the horizontal line passing through the rotation center of the fan wheel 40 and the edge of the air outlet 112 away from the front side of the outer shell 10 is defined as the air outlet angle α, which satisfies: 55°≤α≤65°.

[0078] With this configuration, the air outlet angle α between the horizontal line passing through the center of rotation of the impeller 40 and the edge of the air outlet 112 furthest from the front of the outer casing 10 can affect the air delivery effect of the air outlet 112. If the air outlet angle α is too small, without the downward guiding effect of the air guide plate 30, the hot air delivered from the air outlet 112 will not be able to blow directly to the ground effectively; while if the air outlet angle α is too large, it will lead to insufficient strength of the entire outer casing 10, thus affecting the service life of the air conditioner. Therefore, by controlling the air outlet angle α between the horizontal line passing through the center of rotation of the impeller 40 and the edge of the air outlet 112 furthest from the front of the outer casing 10, it is helpful to improve heating comfort while ensuring the strength of the outer casing 10.

[0079] It should be noted that the air outlet angle of a conventional air conditioner is usually around 30 degrees, while the air outlet angle of this solution can reach 55° to 65°, which is equivalent to 30 degrees larger than the air outlet angle of a conventional air conditioner, thus effectively increasing the air outlet angle of the air duct 113.

[0080] As some examples, the air outlet angle α can be 55°, 56°, 57°, 58°, 58.5°, 59°, 60°, 61°, 61.7°, 62°, 63°, 64°, 64.7°, 65°, etc.

[0081] Please see Figures 4 to 6 In one embodiment of the present invention, the outer shell 10 includes a face frame 11, a panel 12, and a chassis 13; the face frame 11 is provided with an air inlet 111 and an air outlet 112; the panel 12 covers the front side of the face frame 11; the chassis 13 is disposed inside the face frame 11 and forms an air duct 113 with the face frame 11 and the panel 12; the chassis 13 and the face frame 11 also form a noise reduction cavity.

[0082] In this embodiment, the air inlet 111 can be located at the top of the face frame 11, and the air outlet 112 can be located at the bottom of the face frame 11. The chassis 13 is installed inside the face frame 11 to form an air duct 113 with the face frame 11 and the panel 12 located on the front side of the face frame 11. This allows airflow to enter the air duct 113 from the air inlet 111 at the top of the face frame 11, flow through the heat exchanger 50 and the impeller 40 inside the air duct 113, and then be discharged from the air outlet 112 at the bottom of the face frame 11. Furthermore, by using the chassis 13 and the face frame 11 to form a noise reduction cavity connecting the air duct 113, the noise generated by the air conditioner fan during operation can be effectively reduced, thereby improving the user experience.

[0083] In practical applications, the noise reduction cavity can be located near the air inlet 111, near the air outlet 112, or near the impeller 40 inside the air duct 113, as long as it is connected to the air duct 113. This allows the noise reduction cavity to effectively absorb the noise generated by the air conditioner fan during operation. Specifically, the number of noise reduction cavities can be designed as one or at least two, depending on the internal space of the housing 10. If the internal space of the housing 10 is large enough, more noise reduction cavities can be designed to achieve a better noise reduction effect.

[0084] In some embodiments, a water receiving tray 60 is also provided inside the face frame 11. The water receiving tray 60 is designed to be detachable and can be connected and fixed to the chassis 13 by means of structural components such as screws and clips. A water channel 61 is provided on the water receiving tray 60, which is used to collect the condensate generated on the heat exchanger 50 in the exhaust duct 113.

[0085] Please see Figures 8 to 15 In one embodiment of this utility model, the drive mechanism 20 includes a mounting base 21, a drive assembly 22, and a transmission assembly 23; the mounting base 21 is disposed on the outer shell 10; the drive assembly 22 is disposed on the mounting base 21; the transmission assembly 23 is tractively connected to the drive assembly 22, and the drive assembly 22 drives the transmission assembly 23 to slide and rotate; the air guide plate 30 is tractively connected to the transmission assembly 23; wherein, when the drive assembly 22 drives the transmission assembly 23 to slide in the first direction a, the transmission assembly 23 drives the air guide plate 30 to switch between a closed state and a first open state; when the drive assembly 22 drives the transmission assembly 23 to rotate, the transmission assembly 23 drives the air guide plate 30 to switch between a first open state and a second open state.

[0086] In this embodiment, the mounting base 21 is the base of the drive mechanism 20, and is used to mount the drive assembly 22 and the transmission assembly 23.

[0087] The drive assembly 22 is used to drive the transmission assembly 23 to slide or rotate, so as to drive the air guide plate 30 to move under the sliding or rotating of the transmission assembly 23. The drive assembly 22 may include a drive motor, or a drive motor and a sliding table 221, or a structure in which the drive motor and a gear rack 212 cooperate, as long as it can drive the transmission assembly 23 to slide or rotate. The transmission assembly 23 may be a structure in which a gear and a connecting rod 232 cooperate, or a structure in which a gear set 231 and a connecting rod 232 cooperate, or a structure in which a gear and a set of connecting rods 232 cooperate, wherein the gear set 231 includes at least two meshing gears, and the set of connecting rods 232 includes at least two hinged connecting rods 232.

[0088] With this configuration, when the drive assembly 22 drives the transmission assembly 23 to move, it can drive the air guide plate 30 to switch between a closed state, a first open state, and a second state. When the drive assembly 22 drives the transmission assembly 23 to slide in the first direction a, the transmission assembly 23 can drive the air guide plate 30 to switch between a closed state and a first open state, so as to smoothly realize the switching between the closed state and the cooling state of the air conditioner. When the drive assembly 22 drives the transmission assembly 23 to rotate, the transmission assembly 23 can drive the air guide plate 30 to switch between a first open state and a second open state, so as to smoothly realize the switching between the cooling state and the heating state of the air conditioner.

[0089] Please see Figure 16 In one embodiment of the present invention, the driving assembly 22 includes a sliding table 221 and a driving member 222; the sliding table 221 is disposed on one side of the mounting base 21; the driving member 222 is disposed on the sliding table 221 and drives the sliding table 221 to slide in the first direction a; the transmission assembly 23 is disposed on the sliding table 221 and is connected to the driving member 222 in a transmission manner, and the driving member 222 drives the transmission assembly 23 to slide and rotate.

[0090] In this embodiment, the sliding stage 221 is used to mount the driving component 222, and under the action of the driving component 222, the sliding stage 221 can slide in the first direction a. For example, the driving component 222 can be a drive motor.

[0091] With this configuration, the driving component 222 can drive the sliding table 221 to slide, thereby driving the transmission component 23 to slide, thus realizing the switching of the air guide plate 30 between the closed state and the first open state. At the same time, the driving component 222 can also directly drive the transmission component 23 to rotate, thereby realizing the switching of the air guide plate 30 between the first open state and the second open state.

[0092] Please see Figure 17 , Figure 18 In one embodiment of the present invention, a guide groove 211 extending along the first direction a is provided on one side of the mounting base 21, and a sliding column 2211 is provided on the side of the sliding table 221 near the mounting base 21, and the sliding column 2211 slides in cooperation with the guide groove 211.

[0093] With this configuration, as the drive unit 222 drives the sliding table 221 to slide along the first direction a, the sliding column 2211 on the sliding table 221 simultaneously slides along the guide groove 211 of the mounting base 21. With the cooperation of the sliding column 2211 and the guide groove 211, the sliding table 221 can be guided, which can improve the stability of the sliding table 221 during the sliding process.

[0094] In some embodiments, in order to prevent the sliding table 221 from rotating relative to the mounting base 21, at least two sliding posts 2211 may be provided on the side of the sliding table 221 near the mounting base 21. The at least two sliding posts 2211 are distributed at intervals along the first direction a, so that the at least two sliding posts 2211 are slidably engaged with the guide groove 211.

[0095] Furthermore, in order to further improve the stability of the sliding table 221 during the sliding process, two guide grooves 211 can be provided on one side of the mounting base 21. The two guide grooves 211 are distributed at intervals along the second direction, and the second direction is set at an angle to the first direction a. At least two sliding posts 2211 are provided on the side of the sliding table 221 close to the mounting base 21, and each guide groove 211 slides in cooperation with at least one sliding post 2211.

[0096] Please see Figures 8 to 18 In one embodiment of this utility model, a rack 212 extending along a first direction a is provided on one side of the mounting base 21, a first rotating shaft 2212 is provided on one side of the sliding table 221, and a first shaft hole 31 and a second shaft hole 32 staggered along the first direction a are provided on the air guide plate 30; the first rotating shaft 2212 is rotatably engaged with the first shaft hole 31; the transmission assembly 23 includes a gear set 231 and a connecting rod 232; the gear set 231 is tractively connected to the driving member 222 and meshes with the rack 212, and the gear set 231 is provided with a second rotating shaft 2312d; one end of the connecting rod 232 is hinged to the second rotating shaft 2312d, and the other end is rotatably engaged with the second shaft hole 32.

[0097] With this configuration, the drive unit 222 can drive the gear set 231 to rotate. The meshing of the gear set 231 with the rack 212 allows the gear set 231 to rotate while simultaneously sliding along the first direction a. This, in turn, drives the drive unit 222 and the sliding table 221 to slide along the first direction a. The sliding of the gear set 231 and the sliding table 221 also drives the air guide plate 30 to slide along the first direction a, thus achieving the switching between the closed state and the first open state of the air guide plate 30. After the air guide plate 30 moves to the first open state, the drive unit 222 can continue to drive the gear set 231 when it continues to operate. When gear set 231 rotates, it disengages from rack 212. Therefore, gear set 231 can only rotate and no longer slides. The rotation of gear set 231 causes connecting rod 232 to swing in conjunction with the second shaft 2312d of gear set 231 and the second shaft hole 32 of air guide plate 30. The swing of connecting rod 232 causes the first shaft 2212 of sliding table 221 to rotate in conjunction with the first shaft hole 31 of air guide plate 30, thereby causing air guide plate 30 to rotate, thus realizing the switching of air guide plate 30 between the first open state and the second open state.

[0098] Please see Figure 9 , Figure 11 , Figure 13 , Figure 15 In one embodiment of the present invention, the gear set 231 includes a driving gear 2311 and a driven gear 2312; the driving gear 2311 is connected to the driving member 222 and meshes with the rack 212; the driven gear 2312 meshes with the driving gear 2311, and a second rotating shaft 2312d is provided on one side of the driven gear 2312, and the second rotating shaft 2312d is eccentrically arranged with the driven gear 2312.

[0099] With this configuration, the driving component 222 can drive the drive gear 2311 to rotate. The meshing of the drive gear 2311 with the rack 212 allows the drive gear 2311 to rotate while simultaneously sliding along the first direction a. At this time, the meshing between the drive gear 2311 and the driven gear 2312 disengages. Therefore, the drive gear 2311 will not drive the driven gear 2312 to rotate during rotation; it will only drive the driven gear 2312 to slide when it slides along the first direction a. This, in turn, causes the driving component 222 and the sliding table 221 to slide along the first direction a. The sliding of the gear set 231 and the sliding table 221 then drives the air guide plate 30 to slide along the first direction a. The air guide plate 30 is switched between a closed state and a first open state. After the air guide plate 30 moves to the first open state, the drive component 222 continues to work and can continue to drive the drive gear 2311 to rotate. At this time, the drive gear 2311 has rotated to the position of meshing with the driven gear 2312. Therefore, the rotation of the drive gear 2311 drives the driven gear 2312 to rotate. The driven gear 2312 drives the connecting rod 232 to swing. Under the swing of the connecting rod 232, the first rotating shaft 2212 of the sliding table 221 rotates and engages with the first shaft hole 31 of the air guide plate 30, thereby driving the air guide plate 30 to rotate, thus realizing the switching of the air guide plate 30 between the first open state and the second open state.

[0100] It should be noted that the driving gear 2311 and the driven gear 2312 can switch between an engaged state and an unengaged state. When the driving gear 2311 and the driven gear 2312 are engaged, the driving gear 2311 can drive the driven gear 2312 to rotate. When the driving gear 2311 and the driven gear 2312 are unengaged, the driving gear 2311 will not drive the driven gear 2312 to rotate. At this time, the driven gear 2312 can be pushed to slide by the sliding of the driving gear 2311.

[0101] In practical applications, the driving gear 2311 can be a double-layer gear structure or a single-layer gear structure. When the driving gear 2311 is a double-layer gear structure, the double-layer gear structure includes a first layer of gears and a second layer of gears, which mesh with the rack 212 and the driven gear 2312, respectively. When the driving gear 2311 is a single-layer gear structure, the single-layer gear structure has a first tooth and a second tooth spaced apart in the circumferential direction, which mesh with the rack 212 and the driven gear 2312, respectively.

[0102] Please see Figure 20 , Figure 21 In one embodiment of this utility model, the driving gear 2311 includes a first turntable 2311a and a second turntable 2311c; the first turntable 2311a is provided with a first meshing tooth 2311b, which meshes with a rack 212; the second turntable 2311c is coaxially arranged with the first turntable 2311a, the diameter of the second turntable 2311c is smaller than the diameter of the first turntable 2311a, and the second turntable 2311c is provided with a second meshing tooth 2311d, which meshes with a driven gear 2312; the first meshing tooth 2311b and the second meshing tooth 2311d are staggered in the circumferential direction of the first turntable 2311a.

[0103] In this embodiment, the first turntable 2311a and its first meshing tooth 2311b, and the second turntable 2311c and its second meshing tooth 2311d can form a double-layer gear structure.

[0104] With this configuration, the driving component 222 can drive the drive gear 2311 to rotate. During this process, the first meshing tooth 2311b meshes with the rack 212, allowing the drive gear 2311 to rotate while also sliding along the first direction a. At this time, the second meshing tooth 2311d disengages from the driven gear 2312. Therefore, the drive gear 2311 will not drive the driven gear 2312 to rotate during its rotation; it will only drive the driven gear 2312 to slide when the drive gear 2311 slides along the first direction a. This, in turn, drives the driving component 222 and the sliding table 221 to slide along the first direction a. Under the sliding of the gear set 231 and the sliding table 221, the air guide plate 30 can be driven to slide along the first direction a, thereby... The air guide plate 30 is switched between a closed state and a first open state. After the air guide plate 30 moves to the first open state, the drive unit 222 continues to work and can continue to drive the drive gear 2311 to rotate. At this time, the drive gear 2311 has rotated to the position where the second meshing tooth 2311d meshes with the driven gear 2312. Therefore, the rotation of the drive gear 2311 drives the driven gear 2312 to rotate. The driven gear 2312 drives the connecting rod 232 to swing. Under the swing of the connecting rod 232, the first rotating shaft 2212 of the sliding table 221 rotates and engages with the first shaft hole 31 of the air guide plate 30, thereby driving the air guide plate 30 to rotate, thus realizing the switching of the air guide plate 30 between the first open state and the second open state.

[0105] Please see Figure 22 , Figure 23 In one embodiment of the present invention, the driven gear 2312 includes a driven turntable 2312a and a connecting rod crank 2312c; the driven turntable 2312a is provided with a third meshing tooth 2312b, which meshes with a second meshing tooth 2311d; one end of the connecting rod crank 2312c is connected to the surface of the driven turntable 2312a, and the other end is provided with a second rotating shaft 2312d.

[0106] With this configuration, when the driving gear 2311 rotates to the position where the second meshing tooth 2311d meshes with the third meshing tooth 2312b of the driven gear 2312, the rotation of the driving gear 2311 drives the driven turntable 2312a to rotate, which in turn drives the connecting rod crank 2312c to rotate. The rotation of the connecting rod crank 2312c can smoothly drive the connecting rod 232 to swing.

[0107] In some embodiments, when it is necessary to enter the cooling mode: the air guide plate 30 can be drawn from... Figure 10 The indicated shutdown state is running until Figure 12In the first open state shown, during this process, the drive member 222 drives the drive gear 2311 to rotate clockwise. The first meshing tooth 2311b on the drive gear 2311 meshes with the rack 212, causing the drive gear 2311 to rotate and slide downwards. At this time, the sliding table 221, drive member 222, drive gear 2311, driven gear 2312, connecting rod 232 and air guide plate 30 move downwards along the guide groove 211 of the mounting base 21 by a preset distance. This preset distance can be 78mm, 80mm, 82mm, etc.

[0108] When heating mode is required: Figure 12 Based on the first open state shown, the driving gear 2311 continues to rotate clockwise. The second meshing tooth 2311d on the driving gear 2311 meshes with the third meshing tooth 2312b of the driven gear 2312, thereby driving the driven gear 2312 to rotate counterclockwise, thus driving the air guide plate 30 to rotate 90 degrees around the first rotating shaft 2212. At this point, the air guide plate 30 moves away from the air outlet 112 and moves to the front side of the outer casing 10.

[0109] Please see Figure 17 , Figure 21 , Figure 23 In one embodiment of the present invention, a limiting groove 213 extending along the first direction a is provided on one side of the mounting base 21, the driving gear 2311 is provided with a first limiting post 2311e, and the driven gear 2312 is provided with a second limiting post 2312e. The first limiting post 2311e and the second limiting post 2312e are both slidably engaged with the limiting groove 213.

[0110] With this configuration, when the driving member 222 drives the driving gear 2311 to rotate while sliding along the first direction a, the first limiting post 2311e of the driving gear 2311 can slide along the limiting groove 213, and at the same time, the second limiting post 2312e of the driven gear 2312 also slides along the limiting groove 213. In order to guide and limit the sliding of the driving gear 2311 and the driven gear 2312 with the cooperation of the first limiting post 2311e and the second limiting post 2312e and the limiting groove 213, the smoothness of the sliding of the driving gear 2311 and the driven gear 2312 in the first direction a can be improved.

[0111] Please see Figure 18 , Figure 22 In one embodiment of the present invention, the sliding table 221 is provided with a limiting hole 2213 on the side near the mounting base 21, and the driven gear 2312 is also provided with a third limiting post 2312f, which rotates in cooperation with the limiting hole 2213.

[0112] With this configuration, during the rotation of the driven gear 2312 driven by the driving gear 2311, the third limiting post 2312f of the driven gear 2312 can rotate within the limiting hole 2213 of the sliding table 221. With the cooperation of the third limiting post 2312f and the limiting hole 2213, the rotation of the driven gear 2312 is limited, making the driven gear 2312 rotate more smoothly.

[0113] Please see Figure 19 , Figure 20 In one embodiment of the present invention, the driving member 222 is disposed on the side of the sliding table 221 away from the mounting base 21. The sliding table 221 is provided with a through hole 2214. The output shaft of the driving member 222 passes through the through hole 2214 to be connected to the drive gear 2311 for transmission.

[0114] With this configuration, by installing the drive unit 222 on the side of the sliding table 221 away from the mounting base 21, the space on both sides of the sliding table 221 can be fully utilized, thus improving space utilization. The design of the through hole 2214 allows the output shaft of the drive unit 222 to pass smoothly through the sliding table 221 and be connected to the drive gear 2311 for transmission.

[0115] In some embodiments, to facilitate the installation of the drive unit 222, a motor mounting platform 2215 may be provided on the side of the sliding stage 221 away from the mounting base 21, so that the drive unit 222 can be mounted on the motor mounting platform 2215. Furthermore, two motor mounting platforms 2215 may be provided, with the two motor mounting platforms 2215 respectively located on both sides of the through hole 2214, so that the drive unit 222 can be mounted between the two motor mounting platforms 2215.

[0116] In some embodiments, in order to facilitate the mounting base 21 to be mounted on the housing 10, a fixing platform 214 may be provided on the periphery of the mounting base 21, so that the mounting base 21 can be smoothly mounted on the housing 10 by means of the fixing platform 214 and screws or other connecting structures.

[0117] Please see Figure 20 In one embodiment of this utility model, the drive gear 2311 is provided with a mounting hole 2311f on the side near the sliding table 221, and the output shaft is inserted into the mounting hole 2311f.

[0118] With this setup, during installation, the output shaft of the drive component 222 is passed through the through hole 2214 of the sliding table 221 and then directly inserted into the mounting hole 2311f of the drive gear 2311, which will smoothly drive the drive gear 2311 to rotate.

[0119] In some embodiments, to prevent relative slippage between the output shaft and the drive gear 2311, the cross-sectional shape of the output shaft and the mounting hole 2311f can be non-circular. For example, the mounting hole 2311f can be D-shaped, with the shape of the output shaft matching the shape of the mounting hole 2311f.

[0120] This utility model also proposes an air conditioner, which includes an air duct structure 100. The specific structure of the air duct structure 100 is as described in the above embodiments. Since this air conditioner adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0121] In this embodiment, the air duct structure 100 may be provided with a heat exchanger 50, a fan wheel 40 and other structures in the air duct 113. The air conditioner also includes a fan, which is used to drive the fan wheel 40 of the air duct structure 100 to rotate so that the airflow is sent out through the air inlet 111, the heat exchanger 50, the fan wheel 40 and the air outlet 112.

[0122] 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. A duct structure, characterized in that, include: The outer casing has an air inlet and an air outlet, and an air duct is formed inside the outer casing to connect the air inlet and the air outlet. The air outlet is configured to face the ground. The drive mechanism is located in the housing; An air guide plate is connected to the drive mechanism, and the drive mechanism drives the air guide plate to open or close the air outlet. The air guide plate has a first open state and a second open state. When the air guide plate is in the first open state, it is located below the air outlet; when the air guide plate is in the second open state, it is located on the front side of the outer casing.

2. The air duct structure as described in claim 1, characterized in that, The air duct is equipped with a fan wheel. The angle between the horizontal line passing through the center of rotation of the fan wheel and the edge of the air outlet away from the front side of the outer casing is defined as the air outlet angle α, which satisfies: 55°≤α≤65°.

3. The air duct structure as described in claim 1, characterized in that, The drive mechanism includes: A mounting base is provided on the housing; The drive component is located on the mounting base; A transmission assembly is driven to the drive assembly, and the drive assembly drives the transmission assembly to slide and rotate; the air guide plate is driven to the transmission assembly. When the driving component drives the transmission component to slide in the first direction, the transmission component causes the air guide plate to switch between a closed state and a first open state; when the driving component drives the transmission component to rotate, the transmission component causes the air guide plate to switch between a first open state and a second open state.

4. The air duct structure as described in claim 3, characterized in that, The driving component includes: A sliding stage is located on one side of the mounting base; A driving component is disposed on the sliding table and drives the sliding table to slide in the first direction; a transmission assembly is disposed on the sliding table and is connected to the driving component in a transmission manner, and the driving component drives the transmission assembly to slide and rotate.

5. The air duct structure as described in claim 4, characterized in that, The mounting base has a guide groove extending along the first direction on one side, and the sliding table has a sliding column on the side near the mounting base, and the sliding column slides in cooperation with the guide groove.

6. The air duct structure as described in claim 4, characterized in that, The mounting base has a rack extending along the first direction on one side, the sliding table has a first rotating shaft on one side, and the air guide plate has a first shaft hole and a second shaft hole staggered along the first direction; the first rotating shaft is rotatably engaged with the first shaft hole; the transmission assembly includes: A gear set is connected to the driving member and meshes with the rack; the gear set is provided with a second rotating shaft. The connecting rod is hinged at one end to the second rotating shaft and rotatedly engaged with the second shaft hole at the other end.

7. The air duct structure as described in claim 6, characterized in that, The gear set includes: The drive gear is connected to the drive member and meshes with the rack. The driven gear meshes with the driving gear, and a second rotating shaft is provided on one side of the driven gear, which is eccentrically arranged with the driven gear.

8. The air duct structure as described in claim 7, characterized in that, The driving gear includes: The first turntable is provided with a first meshing tooth, which meshes with the rack; The second turntable is coaxially arranged with the first turntable. The diameter of the second turntable is smaller than that of the first turntable. The second turntable is provided with a second meshing tooth, which meshes with the driven gear. The first meshing tooth and the second meshing tooth are staggered in the circumferential direction of the first turntable.

9. The air duct structure as described in claim 8, characterized in that, The driven gear includes: The driven turntable is provided with a third meshing tooth, which meshes with the second meshing tooth; The connecting rod crank is connected at one end to the surface of the driven turntable, and at the other end is provided with the second rotating shaft.

10. The air duct structure as described in claim 7, characterized in that, The mounting base has a limiting groove extending along the first direction on one side, the driving gear has a first limiting post, and the driven gear has a second limiting post. Both the first limiting post and the second limiting post are slidably engaged with the limiting groove. And / or, the sliding table is provided with a limiting hole on the side near the mounting base, and the driven gear is also provided with a third limiting post, which is rotatably engaged with the limiting hole.

11. The air duct structure as described in claim 7, characterized in that, The driving component is located on the side of the sliding table away from the mounting base. The sliding table has a through hole, and the output shaft of the driving component passes through the through hole to be connected to the drive gear.

12. The air duct structure as described in claim 11, characterized in that, The drive gear has a mounting hole on the side near the sliding table, and the output shaft is inserted into the mounting hole.

13. An air conditioner, characterized in that, Includes the air duct structure as described in any one of claims 1 to 12.

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