Air conditioner indoor unit

Abstract

The application relates to the technical field of air conditioners, and discloses an air conditioner indoor unit. The air conditioner indoor unit provided by the application is provided with a guide vane at an air outlet of a shell; a crank is rotatably arranged on a mounting seat in the shell, one end of the crank is connected with a connecting rod, the connecting rod is rotatably connected with the guide vane, and the other end of the crank is provided with an arc-shaped tooth section; a limiting rod is slidably arranged on the mounting seat, the limiting rod comprises a linear tooth section which is engaged with the arc-shaped tooth section; a first connecting piece and a second connecting piece of a connecting mechanism are used for connecting or disconnecting the guide vane; during the rotation of the crank, the guide vane is first moved and then rotated. The air conditioner indoor unit provided by the application realizes the switching of air outlet by moving the guide vane between the first connecting piece and the second connecting piece and then rotating the guide vane to blow air, so that the air conditioner indoor unit can realize the switching of air outlet by using only a single guide vane, and the problem of complex structure of the guide vane assembly of the existing reversible air outlet air conditioner indoor unit is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioners, for example to an air conditioner indoor unit. BACKGROUND

[0002] Air conditioners have become an indispensable household appliance for improving the quality of life, among which wall-mounted and ducted air conditioner indoor units are most widely used. For wall-mounted air conditioner indoor units, the air outlet is usually arranged at the lower front side, and a rotatable air deflector is arranged at the air outlet, which can not only open and close the air outlet, but also adjust the up and down air outlet range. However, with the improvement of living standards, people have higher requirements for the comfort of air conditioner air in addition to the cooling demand of air conditioner indoor units.

[0003] In order to meet the demand for air supply comfort of the air conditioner indoor unit, the existing air conditioner indoor unit proposes to select the air supply direction according to different cooling and heating modes, and discloses a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit includes a shell, a first air outlet facing forward and a second air outlet facing downward are opened; an air duct component is used to guide the air supply flow to the first air outlet and / or the second air outlet; at least one first air deflector is arranged at the first air outlet, including a first body and a first extension plate, the first body is installed on the shell, and the first extension plate is movably installed on the first body to have a superimposed position on one side of the first body and an unfolded position connected with the first body along the flow direction of the air supply flow; at least one second air deflector is arranged at the second air outlet, including a second body and a second extension plate, the second body is installed on the shell, and the second extension plate is movably installed on the second body to have a superimposed position on one side of the second body and an unfolded position connected with the second body along the flow direction of the air supply flow. The air supply angle range of the indoor unit is expanded, and the air supply direction can be selected according to different cooling and heating modes.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] Although the existing wall-mounted air conditioner indoor unit can switch the air supply direction, the structure is complex and cannot meet the needs of low-cost users. SUMMARY

[0006] To provide a basic understanding of some aspects of the disclosed embodiments, the following brief summary is given. The summary is not an overall description of the embodiments, nor is it intended to determine key / important elements or delineate the scope of the embodiments. It is only a prelude to the detailed description below.

[0007] The embodiment of the present disclosure provides an air conditioner indoor unit. During the rotation of the crank, the arc-shaped tooth segment and the linear tooth portion are in meshing transmission. The limiting rod is first moved to drive the first connecting piece or the second connecting piece to be separated from the air deflector. Then, the linear tooth portion is separated from the arc-shaped tooth segment, and the limiting rod is in a stationary state. The air deflector is rotated under the driving of the crank and the connecting rod.

[0008] In some embodiments, the air conditioner indoor unit comprises a shell, a crank, a limiting rod and a connecting mechanism. The shell is provided with an air outlet, and the shell is fixed with a mounting seat. An air deflector is arranged at the air outlet. The crank is rotatably arranged on the mounting seat. One end of the crank is connected with a connecting rod, and the connecting rod is rotatably connected with the air deflector. The other end of the crank is provided with an arc-shaped tooth segment. The limiting rod is slidably arranged on the mounting seat. The limiting rod comprises a linear tooth portion. The arc-shaped tooth segment and the linear tooth portion are in meshing transmission. The connecting mechanism comprises a first connecting piece and a second connecting piece. The first connecting piece and the second connecting piece are in transmission connection with the limiting rod. The first connecting piece and the second connecting piece are used for connecting or separating from the air deflector. During the rotation of the crank, the arc-shaped tooth segment and the linear tooth portion are in meshing transmission, so that the limiting rod is first moved to drive the first connecting piece or the second connecting piece to be separated from the air deflector. After the limiting rod is moved by a preset moving distance, the linear tooth portion is separated from the arc-shaped tooth segment, and the limiting rod is in a stationary state. The air deflector is rotated under the driving of the crank and the connecting rod.

[0009] In some optional embodiments, when the symmetry axis of the arc-shaped tooth segment coincides with the symmetry axis of the linear tooth portion, the first connecting piece and the second connecting piece are connected with the air deflector, and the air deflector closes the air outlet of the shell.

[0010] In some optional embodiments, the arc length of the arc-shaped tooth segment is less than the linear length of the linear tooth portion, and the preset moving distance of the limiting rod is equal to one-half of the arc length of the arc-shaped tooth segment. Alternatively, the linear length of the linear tooth portion is less than the arc length of the arc-shaped tooth segment, and the preset moving distance of the limiting rod is equal to one-half of the linear length of the linear tooth portion.

[0011] In some optional embodiments, during the movement of the limiting rod, the rotation directions of the first connecting piece and the second connecting piece are opposite, so that the first connecting piece or the second connecting piece is separated from the air deflector.

[0012] In some optional embodiments, the first connecting piece comprises a first positioning end and a first rotating end, the first positioning end is rotatably arranged on the mounting seat, the first rotating end is in transmission connection with the limiting rod, the limiting rod moves in the first direction to make the first rotating end rotate reversely around the first positioning end, and then the first connecting piece is assembled or separated from the deflector; and / or, the second connecting piece comprises a second positioning end and a second rotating end, the second positioning end is rotatably arranged on the mounting seat, the second rotating end is in transmission connection with the limiting rod, the limiting rod moves in the opposite direction of the first direction to make the second rotating end rotate forwardly around the second positioning end, and then the second connecting piece is assembled or separated from the deflector, wherein the first positioning end and the second positioning end are respectively located on two sides of the length direction of the limiting rod.

[0013] In some optional embodiments, the air outlet mode of the air conditioner indoor unit comprises an upward air outlet mode and a downward air outlet mode. In the upward air outlet mode, the crank rotates reversely, the first connecting piece is separated from the deflector, so that the connecting rod drives the deflector to rotate to blow air upward; in the downward air outlet mode, the crank rotates forwardly, the second connecting piece is separated from the deflector, so that the connecting rod drives the deflector to rotate to blow air downward.

[0014] In some optional embodiments, the first connecting piece and the second connecting piece each comprise a limiting hook, the limiting hook comprises a hook body and a hook head for hooking the deflector, the hook head is located at the lower end of the hook body; wherein the first positioning end and the first rotating end are located on the hook body of the first connecting piece, and the second positioning end and the second rotating end are located on the hook body of the second connecting piece.

[0015] In some optional embodiments, the deflector comprises a deflector body, a first swing arm and a second swing arm. The deflector body comprises a windward face; the first swing arm is fixed on the windward face, the first swing arm comprises a first connecting column, the hook head of the first connecting piece is used for hooking the first connecting column; the second swing arm is fixed on the windward face, the second swing arm comprises a second connecting column, the hook head of the second connecting piece is used for hooking the second connecting column; a fixing seat is fixed on the windward face, and the fixing seat is in pivotal connection with the connecting rod.

[0016] In some optional embodiments, there is a size relationship between some components of the deflector driving mechanism as follows: L3≥d*L1 / L2, wherein L3 is the moving distance of the linear tooth part, d is the diameter of the first connecting column or the second connecting column, L1 is the distance between the second positioning end and the second rotating end, and L2 is the distance between the second positioning end and the hook head of the second connecting piece.

[0017] In some optional embodiments, the mounting seat is provided with a track for limiting the movement track of the limiting rod, and the limiting rod moves linearly under the limitation of the track.

[0018] In some optional embodiments, the first rotating end comprises a first convex column, the second rotating end comprises a second convex column, the limiting rod is provided with a first adjusting hole and a second adjusting hole, the first convex column passes through the first adjusting hole, the second convex column passes through the second adjusting hole, the first adjusting hole and the second adjusting hole are elliptical through holes, and the long axis of the elliptical through hole is perpendicular to the track.

[0019] The air conditioner indoor unit provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The air conditioner indoor unit comprises a shell, a crank, a limiting rod and a connecting mechanism. The shell is provided with an air outlet, and the shell is fixedly provided with a mounting seat. A deflector is arranged at the air outlet. The crank is rotatably arranged on the mounting seat. One end of the crank is connected with a connecting rod. The connecting rod is rotatably connected with the deflector. The other end of the crank is provided with an arc-shaped tooth section. The limiting rod is slidably arranged on the mounting seat. The limiting rod comprises a linear tooth portion. The arc-shaped tooth section and the linear tooth portion are in meshing transmission. The connecting mechanism comprises a first connecting piece and a second connecting piece. Both the first connecting piece and the second connecting piece are in transmission connection with the limiting rod. Both the first connecting piece and the second connecting piece are used for connecting or separating from the deflector. During the rotation of the crank, the arc-shaped tooth section and the linear tooth portion are in meshing transmission, so that the limiting rod is first moved to drive the first connecting piece or the second connecting piece to separate from the deflector. After the limiting rod moves by a preset moving distance, the linear tooth portion and the arc-shaped tooth section are out of the meshing state. The limiting rod is in a stationary state. The deflector is rotated under the driving of the crank and the connecting rod. The air conditioner indoor unit of the present application can switch the deflector between the first connecting piece and the second connecting piece through movement, and then rotate to blow air. The air conditioner indoor unit can switch the air outlet by using only a single deflector, and solves the problem of complex structure of the deflector assembly of the existing reversible air outlet air conditioner indoor unit.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute proportional limitation, and wherein:

[0023] Figure 1 FIG. 1 is a partial cross-sectional structural schematic diagram of an air conditioner indoor unit provided by the embodiments of the present disclosure;

[0024] Figure 2 FIG. 2 is a partial structural schematic diagram of an air conditioner indoor unit provided by the embodiments of the present disclosure;

[0025] Figure 3 FIG. 3 is an assembly connection schematic diagram of a crank, a limiting rod and a connecting mechanism provided by the embodiments of the present disclosure;

[0026] Figure 4 is a schematic diagram of the overall structure of a crank and a limiting rod provided by the embodiments of the present disclosure;

[0027] Figure 5 is a schematic diagram of the overall structure of a connecting mechanism provided by the embodiments of the present disclosure;

[0028] Figure 6 is a schematic diagram of the local structure of an air deflector provided by the embodiments of the present disclosure.

[0029] Reference signs:

[0030] 1: housing; 11: air outlet; 12: mounting seat; 2: crank; 21: arc-shaped tooth section; 3: connecting rod; 4: limiting rod; 41: linear tooth part; 42: first adjusting hole; 43: second adjusting hole; 5: connecting mechanism; 51: first connecting piece; 511: first positioning end; 512: first rotating end; 5121: first protruding column; 513: hook head; 52: second connecting piece; 521: second positioning end; 522: second rotating end; 5221: second protruding column; 6: air deflector; 61: air deflector body; 62: first swing arm; 63: second swing arm; 64: fixing seat. DETAILED DESCRIPTION

[0031] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0032] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0033] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0034] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0035] Unless otherwise specified, the term "a plurality of" means two or more.

[0036] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means: A or B.

[0037] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0038] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0039] In combination with Figures 1-6 As shown in the drawings, the embodiments of the present disclosure provide an air conditioner indoor unit.

[0040] In order to meet the demand for air conditioning indoor unit air supply comfort, the traditional air conditioner indoor unit adopts double air guide plates, two air guide plates are arranged at the upper and lower positions of one air outlet, or arranged at the upper and lower two different air outlets respectively. When running in cooling mode, the cold air flow is guided by the upper air guide plate; when running in heating mode, the hot air flow is guided by the lower air guide plate, thereby improving user comfort. In the actual development and application process, it is found that the traditional air conditioner indoor unit which can realize reversing air outlet has low air outlet air volume, and the air guide assembly structure is complex, which makes the cost of the air conditioner indoor unit higher.

[0041] The air conditioner indoor unit provided by the embodiments of the present disclosure comprises a shell 1, a crank 2, a limiting rod 4 and a connecting mechanism 5.

[0042] The shell 1 is provided with an air outlet 11, and the shell 1 is fixedly provided with a mounting seat 12, and the air outlet 11 is provided with a guide vane 6; the crank 2 is rotatably arranged on the mounting seat 12, one end of the crank 2 is connected with a connecting rod 3, the connecting rod 3 is rotatably connected with the guide vane 6, and the other end of the crank 2 is provided with an arc-shaped tooth segment 21; the limiting rod 4 is slidably arranged on the mounting seat 12, the limiting rod 4 comprises a linear tooth portion 41, the linear tooth portion 41 is located at one side of the limiting rod 4 in the length direction, the arc-shaped tooth segment 21 is in meshing transmission with the linear tooth portion 41; the connecting mechanism 5 comprises a first connecting piece 51 and a second connecting piece 52, the first connecting piece 51 and the second connecting piece 52 are in driving connection with the limiting rod 4, and the first connecting piece 51 and the second connecting piece 52 are used for connecting or separating from the guide vane 6; wherein, in the rotating process of the crank 2, the arc-shaped tooth segment 21 is in meshing transmission with the linear tooth portion, so as to make the limiting rod 4 move first to drive the first connecting piece 51 or the second connecting piece 52 to separate from the guide vane 6, and after the limiting rod 4 moves a preset moving distance, the linear tooth portion 41 is out of the meshing state with the arc-shaped tooth segment 21, the limiting rod 4 is in a stationary state, and the guide vane 6 is rotated under the driving of the crank 2 and the connecting rod 3.

[0043] Specifically, in the standby state of the air conditioner indoor unit, the first connecting piece 51 and the second connecting piece 52 are connected with the air deflector 6, so that the air deflector 6 closes the air outlet 11 of the air conditioner indoor unit. In the air supply state of the air conditioner indoor unit, first, the crank 2 meshes with the limiting rod 4 to drive the limiting rod 4 to move along the track, and then the first connecting piece 51 and the second connecting piece 52 drivenly connected with the limiting rod 4 are rotated to make the first connecting piece 51 or the second connecting piece 52 disengage from the air deflector 6. At the same time of the meshing and driving of the crank 2 and the limiting rod 4, the crank 2 drives the connecting rod 3 to move in parallel, so that the air deflector 6 moves in parallel with the connecting rod 3 on the side of the air outlet 11 to cooperate with the first connecting piece 51 or the second connecting piece 52 to disengage from the air deflector 6. With the continuous rotation of the crank 2, after the limiting rod 4 moves a preset distance, the limiting rod 4 is disengaged from the meshing and driving relationship with the crank 2, and the limiting rod 4 is in a stationary state. The crank 2 only drives the connecting rod 3 to move, and the connecting rod 3 drives the air deflector 6 to rotate to blow air. When the air conditioner indoor unit needs to close the air outlet, the crank 2 drives the connecting rod 3 to move reversely, and the connecting rod 3 drives the air deflector 6 to rotate reversely to the side of the air outlet of the air conditioner indoor unit. At this time, the crank 2 and the limiting rod 4 are switched from the disengaged state to the meshing and driving state, and the crank 2 continues to rotate to drive the limiting rod 4 to move, thereby further driving the first connecting piece 51 or the second connecting piece 52 to connect the air deflector 6, realizing the state that the first connecting piece 51 and the second connecting piece 52 are connected with the air deflector 6, and then closing the air outlet. The air conditioner indoor unit of the present application realizes switching air outlet by only one air deflector 6 through the cooperation of two connecting pieces with the air deflector 6, and has a relatively simple structure and low cost.

[0044] In addition, when the air deflector 6 is switched from the state of being connected with the first connecting piece 51 to the state of being connected with the second connecting piece 52, only the air deflector 6 needs to move on the side of the air outlet 11 to realize switching air outlet, and the problem of unstable operation of the air deflector 6 in the switching air outlet process is solved.

[0045] Optionally, the arc length of the arc-shaped tooth segment 21 is less than or greater than the side length of the linear tooth portion 41. In this way, the transition stage from the independent stage to the meshing and driving stage of the limiting rod 4 and the crank 2 is more stable and smooth during the rotation of the crank 2.

[0046] Optionally, the connecting rod 3 is located between the first connecting piece 51 and the second connecting piece 52. Specifically, the limiting rod 4 is a ruler-shaped rod, and the first connecting piece 51 and the second connecting piece 52 are located at two ends of the limiting rod 4, so that the connecting rod 3 is always located above the limiting rod 4 and between the first connecting piece 51 and the second connecting piece 52 during rotation of the connecting rod 3. When the crank 2 rotates forward, the guide vane 6 is connected with the first connecting piece 51, the air conditioner indoor unit operates in heating condition, and the hot air blows downward. When the crank 2 rotates reversely, the guide vane 6 is connected with the second connecting piece 52, the air conditioner indoor unit operates in cooling condition, and the cold air blows upward. In this way, not only the comfort of cooling and heating can be improved, but also the air volume can be ensured.

[0047] Optionally, when the symmetry axis of the arc-shaped tooth segment 21 coincides with the symmetry axis of the linear tooth portion 41, the first connecting piece 51 and the second connecting piece 52 are connected with the guide vane 6, and the guide vane closes the air outlet of the shell. In this way, not only the stability of the guide vane 6 can be improved, but also the problem of flashing gap of the air conditioner indoor unit can be avoided.

[0048] Optionally, the arc length of the arc-shaped tooth segment 21 is less than the linear length of the linear tooth portion 41, and the preset moving distance of the limiting rod 4 is equal to one-half of the arc length of the arc-shaped tooth segment 21; or the linear length of the linear tooth portion 41 is less than the arc length of the arc-shaped tooth segment 21, and the preset moving distance of the limiting rod 4 is equal to one-half of the linear length of the linear tooth portion 41.

[0049] Specifically, the arc length of the arc-shaped tooth segment 21 is less than the linear length of the linear tooth portion 41, and the guide vane 6 on the air conditioner indoor unit is in a closed state, and the symmetry axis of the arc-shaped tooth segment 21 coincides with the symmetry axis of the linear tooth portion 41. In this way, not only the meshing transmission of the limiting rod 4 and the crank 2 can be realized to move the limiting rod 4 by the crank 2 and further realize the disengagement of the first connecting piece 51 or the second connecting piece 52 from the guide vane by the limiting rod 4, but also the smooth transition between the meshing transmission state and the disengagement state of the limiting rod 4 and the crank 2 can be realized by setting the arc length of the arc-shaped tooth segment 21 to be less than the linear length of the linear tooth portion 41, thereby improving the moving stability of the guide vane 6.

[0050] Similarly, the linear length of the linear tooth portion 41 is less than the arc length of the arc-shaped tooth segment 21, and the guide vane 6 on the air conditioner indoor unit is in a closed state, and the symmetry axis of the arc-shaped tooth segment 21 coincides with the symmetry axis of the linear tooth portion 41. In this way, not only the meshing transmission of the limiting rod 4 and the crank 2 can be realized to move the limiting rod 4 by the crank 2 and further realize the disengagement of the first connecting piece 51 or the second connecting piece 52 from the guide vane by the limiting rod 4, but also the smooth transition between the meshing transmission state and the disengagement state of the limiting rod 4 and the crank 2 can be realized by setting the arc length of the arc-shaped tooth segment 21 to be greater than the linear length of the linear tooth portion 41, thereby improving the moving stability of the guide vane 6.

[0051] Optionally, the first connecting member 51 and the second connecting member 52 rotate in opposite directions during the movement of the limiting rod 4, so that the first connecting member 51 or the second connecting member 52 is disengaged from the air deflector 6.

[0052] Optionally, when the first connecting member 51 is assembled with the air deflector 6, the maximum rotation angle of the air deflector 6 is a first rotation angle, when the second connecting member 52 is assembled with the air deflector 6, the maximum rotation angle of the air deflector 6 is a second rotation angle, and the first rotation angle is the same as the second rotation angle. In this way, the air volume of the air deflector 6 of the air conditioner indoor unit at different positions can be ensured.

[0053] Optionally, the first connecting member 51 includes a first positioning end 511 and a first rotating end 512, the first positioning end 511 is rotatably arranged on the mounting seat 12, and the first rotating end 512 is in transmission connection with the limiting rod 4. The limiting rod 4 moves in a first direction to make the first rotating end 512 rotate reversely around the first positioning end 511, and then the first connecting member 51 is assembled with or disengaged from the air deflector 6; and / or, the second connecting member 52 includes a second positioning end 521 and a second rotating end 522, the second positioning end 521 is rotatably arranged on the mounting seat 12, and the second rotating end 522 is in transmission connection with the limiting rod 4. The limiting rod 4 moves in the opposite direction of the first direction to make the second rotating end 522 rotate forwardly around the second positioning end 521, and then the second connecting member 52 is assembled with or disengaged from the air deflector 6. Wherein, the first direction refers to a direction obliquely downward along the track relative to the air outlet, the forward rotation direction refers to a clockwise rotation direction, and the reverse rotation direction refers to an anticlockwise rotation direction.

[0054] Optionally, the first connecting member 51 and the second connecting member 52 each include a limiting hook, the limiting hook includes a hook body and a hook head 513 for hooking the air deflector 6, and the hook head 513 is located at the lower end of the hook body; wherein, the first positioning end 511 and the first rotating end 512 are located on the hook body of the first connecting member 51, and the second positioning end 521 and the second rotating end 522 are located on the hook body of the second connecting member 52.

[0055] Specifically, the limiting rod 4 is inclinedly arranged at a certain angle with the air outlet 11, the first positioning end 511 and the second positioning end 521 are located at two ends of the limiting rod 4, the first rotating end 512 is located at one side of the limiting rod 4 away from the air outlet 11, and the second rotating end 522 is located at the other side of the limiting rod 4 close to the air outlet 11. In this way, in the heating working condition, the connection position of the crank 2 and the connecting rod 3 is always located in the lower area away from the first connecting piece 51, when the limiting rod 4 moves linearly upward, the hook head 513 of the second connecting piece 52 moves downward to be disconnected with the air deflector 6, the hook head 513 of the first connecting piece 51 moves upward to drive the air deflector 6 to rotate downward to blow air. When the limiting rod 4 moves linearly downward, the hook head 513 of the first connecting piece 51 drives the air deflector 6 to move downward, the hook head 513 of the second connecting piece 52 moves upward to connect the air deflector 6, and the air outlet 11 is closed. In the cooling working condition, the connection position of the crank 2 and the connecting rod 3 is always located in the upper area away from the second connecting piece 52, when the limiting rod 4 moves linearly downward, the hook head 513 of the first connecting piece 51 moves downward to be disconnected with the air deflector 6, the hook head 513 of the second connecting piece 52 moves upward to drive the air deflector 6 to rotate upward to blow air. When the limiting rod 4 moves linearly upward, the hook head 513 of the second connecting piece 52 drives the air deflector 6 to move downward, the hook head 513 of the first connecting piece 51 moves upward to connect the air deflector 6, and the air outlet 11 is closed. The switching, rotating and switching of the air deflector 6 of the present application can be realized by rotating the crank 2 driven by a single driving device, which is simple in structure, low in cost, and can ensure the air volume while meeting the air supply demand in different working conditions.

[0056] Optionally, the air outlet mode of the air conditioner indoor unit includes an upward air outlet mode and a downward air outlet mode. In the upward air outlet mode, the crank 2 rotates reversely, and the first connecting piece 51 is disconnected with the air deflector 6, so that the connecting rod 3 drives the air deflector 6 to rotate to blow air upward; in the downward air outlet mode, the crank 2 rotates forwardly, and the second connecting piece 52 is disconnected with the air deflector 6, so that the connecting rod 3 drives the air deflector 6 to rotate to blow air downward. Compared with the one-way air supply air conditioner indoor unit, the air conditioner indoor unit with double air outlets has a small air supply range and limitations in some areas, and the air conditioner indoor unit with single air outlet and double air deflectors 6 has low air supply volume in specific working conditions, which cannot meet the user demand. The present application can meet the demand of wide air supply range and large air supply volume by using one air deflector 6, which is simple in structure, low in cost and convenient to maintain and repair.

[0057] Optionally, the air deflector 6 comprises an air deflector body 61, a first swing arm 62 and a second swing arm 63. The air deflector body 61 comprises a windward face; the first swing arm 62 is fixed on the windward face, the first swing arm 62 comprises a first connecting column, the hook head 513 of the first connecting member 51 is used for hooking the first connecting column; the second swing arm 63 is fixed on the windward face, the second swing arm 63 comprises a second connecting column, the hook head 513 of the second connecting member 52 is used for hooking the second connecting column; a fixing seat 64 is fixed on the windward face, and the fixing seat 64 is pivotally connected with the connecting rod 3. It can be understood that the number of the first swing arm 62, the second swing arm 63 and the fixing seat 64 of the air deflector 6 is two, which are arranged at both ends of the windward face of the air deflector 6, so as to not only reduce the wind resistance and ensure the moving stability of the air deflector 6, but also improve the aesthetic appearance in the rotating process of the air deflector 6.

[0058] Optionally, the windward face is an arc face. When the air conditioner indoor unit operates in the upper air outlet mode, the air deflector 6 is located at the lower side of the air outlet 11, and the airflow of the air conditioner indoor unit is guided through the windward face of the lower air deflector 6 to flow upwards. When the air conditioner indoor unit operates in the upper air outlet mode, the air deflector 6 is located at the upper side of the air outlet 11, and the airflow of the air conditioner indoor unit is guided through the windward face of the upper air deflector 6 to flow downwards.

[0059] Optionally, there is a size relationship between the parts of the air deflector 6 driving mechanism as follows: L3≥d*L1 / L2, wherein L3 is the moving distance of the linear tooth portion 41, d is the diameter of the first connecting column or the second connecting column, L1 is the distance between the second positioning end 521 and the second rotating end 522, and L2 is the distance between the second positioning end 521 and the hook head 513 of the second connecting member 52. In this way, not only can the air deflector 6 be pulled out of the first connecting column or the second connecting column, but also the air outlet switching time can be shortened and the switching efficiency can be improved.

[0060] Optionally, the mounting seat 12 is provided with a track for limiting the movement track of the limiting rod 4, and the limiting rod 4 moves linearly under the limitation of the track. Specifically, the track comprises two linear sliding bars, and the sliding bars are fixed on the mounting seat 12. The limiting rod 4 linearly slides between the two sliding bars to drive the first connecting member 51 and the second connecting member 52 to rotate.

[0061] Optionally, the first rotating end 512 comprises a first protruding column 5121, the second rotating end 522 comprises a second protruding column 5221, the limiting rod 4 is provided with a first adjusting hole 42 and a second adjusting hole 43, the first protruding column 5121 penetrates the first adjusting hole 42, the second protruding column 5221 penetrates the second adjusting hole 43, the first adjusting hole 42 and the second adjusting hole 43 are elliptical through holes, and the long axis of the elliptical through hole is perpendicular to the track. The first positioning end 511 of the first connecting piece 51 and the second positioning end 521 of the second connecting piece 52 are fixed on the mounting seat 12, the first connecting piece 51 can rotate around the first positioning end 511, and the second connecting piece 52 can rotate around the second positioning end 521. Since the first protruding column 5121 of the first rotating end 512 penetrates the first adjusting hole 42 and the second protruding column 5221 of the second rotating end 522 penetrates the second adjusting hole 43, in the process of linear sliding of the limiting rod 4, the position of the first protruding column 5121 and the second protruding column 5221 in the elliptical through hole can be adjusted through the long axis of the elliptical through hole in the direction perpendicular to the track, so that the first connecting piece 51 and the second connecting piece 52 can move more smoothly to connect or separate from the air deflector 6 in the process of reversing switching air supply.

[0062] The above description and drawings suffice to fully illustrate the embodiments of the present disclosure to enable a person skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments only represent possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations can be changed. Parts and features of some embodiments can be included or replaced by parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An air conditioner indoor unit characterized by comprising: The air conditioner indoor unit comprises: a shell with an air outlet, a mounting seat fixed in the shell, and a guide vane arranged at the air outlet; a crank rotatably arranged on the mounting seat, one end of the crank being connected with a connecting rod, the connecting rod being rotatably connected with the guide vane, and the other end of the crank being provided with an arc-shaped tooth segment; a limiting rod slidably arranged on the mounting seat, the limiting rod comprising a linear tooth portion, and the arc-shaped tooth segment being in meshing transmission with the linear tooth portion; and a connecting mechanism comprising a first connecting member and a second connecting member, both the first connecting member and the second connecting member being in transmission connection with the limiting rod, and both the first connecting member and the second connecting member being used for connecting or disconnecting the guide vane; wherein, during rotation of the crank, the arc-shaped tooth segment is in meshing transmission with the linear tooth portion, so that the limiting rod is firstly moved to drive the first connecting member or the second connecting member to disconnect the guide vane, and after the limiting rod is moved by a preset moving distance, the linear tooth portion is out of meshing transmission with the arc-shaped tooth segment, the limiting rod is in a stationary state, and the guide vane is rotated under the driving of the crank and the connecting rod, the first connecting member comprises a first positioning end and a first rotating end, the first positioning end is rotatably arranged on the mounting seat, the first rotating end is in transmission connection with the limiting rod, the limiting rod moves in a first direction to make the first rotating end rotate reversely around the first positioning end, and then the first connecting member is disconnected from the guide vane; and / or the second connecting member comprises a second positioning end and a second rotating end, the second positioning end is rotatably arranged on the mounting seat, the second rotating end is in transmission connection with the limiting rod, the limiting rod moves in a direction opposite to the first direction to make the second rotating end rotate forwardly around the second positioning end, and then the second connecting member is disconnected from the guide vane; the first positioning end and the second positioning end are respectively located on two sides of the length direction of the limiting rod.

2. The air conditioner indoor unit according to claim 1, wherein when the symmetry axis of the arc-shaped tooth segment coincides with the symmetry axis of the linear tooth portion, the first connecting member and the second connecting member are both connected with the guide vane, and the guide vane closes the air outlet of the shell.

3. The air conditioner indoor unit according to claim 1, wherein the arc length of the arc-shaped tooth segment is smaller than the linear length of the linear tooth portion, and the preset moving distance of the limiting rod is equal to one-half of the arc length of the arc-shaped tooth segment; or the linear length of the linear tooth portion is smaller than the arc length of the arc-shaped tooth segment, and the preset moving distance of the limiting rod is equal to one-half of the linear length of the linear tooth portion.

4. The air conditioner indoor unit according to claim 1, wherein during movement of the limiting rod, the rotation directions of the first connecting member and the second connecting member are opposite to each other, so that the first connecting member or the second connecting member is disconnected from the guide vane. 5.The indoor unit of the air conditioner according to claim 1, characterized by, the air outlet mode of the air conditioner indoor unit comprises: an upward air outlet mode, the crank rotates reversely, the first connecting member is disconnected from the guide vane, so that the connecting rod drives the guide vane to rotate to guide air upward; and In the downward air outlet mode, the crank rotates forward, the second connecting member is disengaged from the air deflector, and the connecting rod drives the air deflector to rotate to direct air downward. 6.The indoor unit of the air conditioner according to claim 1, characterized by, The first connecting member and the second connecting member each include: The limiting hook includes a hook body and a hook head for hooking the air deflector, and the hook head is located at the lower end of the hook body; The first positioning end and the first rotating end are located on the hook body of the first connecting member, and the second positioning end and the second rotating end are located on the hook body of the second connecting member. 7.The indoor unit of the air conditioner according to claim 6, characterized by, The air deflector includes: The air deflector body includes a windward surface; The first swing arm is fixed on the windward surface, and the first swing arm includes a first connecting column, and the hook head of the first connecting member is used for hooking the first connecting column; The second swing arm is fixed on the windward surface, and the second swing arm includes a second connecting column, and the hook head of the second connecting member is used for hooking the second connecting column; and The fixed seat is fixed on the windward surface, and the fixed seat is pivotally connected with the connecting rod. 8.The indoor unit of the air conditioner according to claim 7, characterized by, The air deflector driving mechanism has the following size relationships between the parts: Wherein, L3 is the moving distance of the linear tooth part, d is the diameter of the first connecting column or the second connecting column, L1 is the distance between the second positioning end and the second rotating end, and L2 is the distance between the second positioning end and the hook head of the second connecting member.

9. The indoor unit of the air conditioner according to claim 1, wherein The mounting seat is provided with a track for limiting the movement track of the limiting rod, and the limiting rod moves linearly under the limitation of the track.

10. The indoor unit of the air conditioner according to claim 9, wherein The first rotating end includes a first convex column, the second rotating end includes a second convex column, the limiting rod is provided with a first adjusting hole and a second adjusting hole, the first convex column passes through the first adjusting hole, the second convex column passes through the second adjusting hole, the first adjusting hole and the second adjusting hole are elliptical through holes, and the long axis of the elliptical through hole is perpendicular to the track.

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