Air conditioner indoor unit and air conditioner

Abstract

The application provides an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit comprises a casing, a wind sweeping structure, a guide vane, a driving control mechanism and a limiting piece. The guide vane is provided with a driving column. A transmission rod is provided with an impeller. The limiting piece is movably supported on the supporting end of the air outlet in the left-right direction. The limiting end of the limiting piece in the left-right direction is provided with a first limiting column. The locking end of the transmission rod in the left-right direction is provided with a first limiting groove. When the driving column forces the limiting piece to move in the left-right direction and close to the locking end, the first limiting column is inserted into the first limiting groove to force the transmission rod to stop rotating. When the driving column forces the limiting piece to move in the left-right direction and away from the locking end, the first limiting column is separated from the first limiting groove, and the airflow driving impeller rotates to drive the transmission rod to rotate. The air conditioner indoor unit can reduce the power consumption of the airflow blown out of the air outlet and can sweep the airflow left and right and guide the airflow up and down, thereby reducing the electricity cost of the user using the air conditioner.

Description

Technical Field

[0001] This invention relates to the field of air conditioner technology, and in particular to an indoor air conditioning unit and an air conditioner having the indoor air conditioning unit. Background Technology

[0002] To improve the comfort of the airflow, the indoor unit of the air conditioner is equipped with a sweeping structure and an air guide plate at the air outlet of its casing. The left and right ends of the air guide plate are rotatably supported on the left and right end walls of the casing to guide the airflow from the air outlet vertically and can open or close the air outlet. The sweeping structure includes a transmission rod and sweeping blades mounted on the transmission rod. The left and right ends of the transmission rod are rotatably supported on the left and right end walls of the casing. Since the sweeping blades are inclined towards one end of the transmission rod, they sweep the airflow from the air outlet horizontally as the transmission rod rotates.

[0003] In order to drive the air guide plate to rotate for vertical airflow and to drive the transmission rod of the sweeping structure to rotate for horizontal airflow, existing air conditioning indoor units need to be equipped with two independent motors. One motor is used to drive the air guide plate to rotate, and the other motor is used to drive the transmission rod of the sweeping structure to rotate. This increases the power consumption of the air conditioning indoor unit and thus increases the electricity cost for users of air conditioners. Summary of the Invention

[0004] The first objective of this invention is to provide an indoor air conditioning unit that can reduce energy consumption by sweeping the airflow from the air outlet left and right and guiding it up and down, thereby reducing the electricity cost for users of air conditioners.

[0005] A second objective of the present invention is to provide an air conditioner having the above-described indoor unit.

[0006] To achieve the first objective of this invention, an indoor air conditioning unit is provided, comprising a casing, a sweeping structure, an air guide plate, a drive control mechanism, and a limiting member. The casing has an air outlet. The sweeping structure includes a transmission rod and sweeping blades mounted on the transmission rod. The transmission rod extends laterally from the air outlet and is rotatably supported within the air outlet. The sweeping blades are inclined towards one end of the transmission rod in the lateral direction. The air guide plate is rotatably supported at the air outlet end. The drive control mechanism controls the rotation of the air guide plate. A drive column protrudes from the air guide plate. An impeller is mounted on the transmission rod. The limiting member is movable laterally and supported at the supporting end of the air outlet. The upward limiting end is provided with a first limiting post, and the locking end of the transmission rod in the left-right direction is provided with a first limiting groove; or, the limiting member in the left-right direction is provided with a second limiting groove, and the locking end of the transmission rod in the left-right direction is provided with a second limiting post; when the driving column forces the limiting member to move closer to the locking end in the left-right direction, so that the first limiting post is inserted into the first limiting groove, or the second limiting post is inserted into the second limiting groove, the transmission rod is forced to stop rotating; when the driving column forces the limiting member to move away from the locking end in the left-right direction, so that the first limiting post is disengaged from the first limiting groove, or the second limiting post is disengaged from the second limiting groove, the airflow drives the impeller to rotate to drive the transmission rod to rotate.

[0007] As can be seen from the above scheme, during the operation of the indoor unit of the air conditioner of the present invention, the drive control mechanism controls the air guide plate to rotate, so as to open the air outlet of the casing from the closed state. The air guide plate can guide the airflow blown out of the air outlet vertically. When it is necessary to sweep the airflow blown out of the air outlet left and right, the drive control mechanism controls the air guide plate to rotate within a certain angle range. Thus, the drive column on the air guide plate can force the limiting member to move away from the locking end of the transmission rod in the left and right direction of the air outlet. This causes the first limiting post on the limiting member to disengage from the first limiting groove on the transmission rod, or the second limiting post on the transmission rod to disengage from the second limiting groove on the limiting member. Since the airflow in the air outlet has a certain flow speed, the airflow in the air outlet can drive the impeller on the transmission rod to rotate, thereby driving the transmission rod to rotate. The transmission rod synchronously drives the sweeping blades to rotate. Since the sweeping blades are inclined towards one end of the transmission rod in the left and right direction of the air outlet, the rotating sweeping blades can sweep the airflow blown out of the air outlet left and right. When there is no need to sweep the airflow from the air outlet left and right, the drive control mechanism controls the air guide plate to rotate within a certain angle range. This forces the drive column on the air guide plate to move the limiting member closer to the locking end of the transmission rod in the left and right direction of the air outlet. This causes the first limiting post on the limiting member to insert into the first limiting groove on the transmission rod, or the second limiting post on the transmission rod to insert into the second limiting groove on the limiting member, thus forcing the transmission rod to stop rotating. As a result, the airflow in the air outlet cannot drive the impeller on the transmission rod to rotate, and the sweeping blades stop rotating.

[0008] Therefore, the air-sweeping structure of the indoor unit of the air conditioner of the present invention is equipped with an impeller on the transmission rod. The airflow from the air outlet drives the transmission rod to rotate. Along with the rotation of the transmission rod, the sweeping blades rotate synchronously to sweep the airflow from the air outlet left and right. The automatic left and right sweeping function is achieved without the need for an independent motor to drive the transmission rod to rotate. This reduces the energy consumption of the airflow from the air outlet and reduces the electricity cost for users of the air conditioner. Furthermore, the indoor unit of the air conditioner of the present invention has a drive column on the air guide plate. With the control mechanism controlling the rotation of the air guide plate, the drive column on the air guide plate can force the limiting member to move in the left and right direction of the air outlet, thereby forcing the transmission rod to stop rotating and turning off the left and right sweeping function. Alternatively, it can release the restriction on the transmission rod so that the transmission rod rotates under the airflow and the impeller, thereby turning on the left and right sweeping function. Therefore, the indoor unit of the air conditioner of the present invention only needs to be equipped with a drive control mechanism to realize the left and right sweeping and up and down guiding functions. By moving the limit component in the left and right direction of the air outlet through the drive column on the air guide plate, the left and right sweeping function can be turned on or off. It can reduce the power consumption of the airflow blown out of the air outlet to perform left and right sweeping and up and down guiding, thereby reducing the electricity cost of the user's use of the air conditioner. Moreover, the indoor unit of the air conditioner of the present invention has a simple structure and the left and right sweeping and up and down guiding functions are safe and reliable to operate.

[0009] A preferred embodiment is that an elastic arm is provided on the receiving surface of the limiting member near the drive column. The fixed end of the elastic arm is fixedly mounted on the limiting member, and the elastic segment of the elastic arm can swing around the fixed end. In the free state, the elastic segment is tilted relative to the left and right directions. The drive column can press against the inner or outer surface of the elastic segment. The outer surface of the elastic segment is opposite to the inner surface of the elastic segment, and the outer surface of the elastic segment is positioned closer to the locking end in the left and right directions. When the drive column presses against the outer surface of the elastic segment, it can force the limiting member to move away from the locking end in the left and right directions. When the drive column presses against the inner surface of the elastic segment, it can force the limiting member to move closer to the locking end in the left and right directions.

[0010] A further embodiment is that the receiving surface of the limiting member is provided with a guide arm protruding from it. The guide arm is located on the side of the elastic arm away from the transmission rod, and the guide arm is inclined away from the transmission rod at the inlet end face near the transmission rod. The elastic segment is inclined toward the transmission rod in the free state. An inlet is formed between the inlet end of the guide arm near the fixed end and the fixed end. The drive column can pass through the inlet and press against the inlet end face, which can force the limiting member to move toward the locking end in the left and right direction. And / or, a recessed groove is provided on the inner side and / or the outer side of the elastic segment near the fixed end.

[0011] A further option is that the receiving surface of the limiting member is provided with a limiting platform, which is located at the end of the elastic segment away from the locking end in the left-right direction, and the inner side of the elastic segment can press against the positioning side of the limiting platform near the elastic segment; and / or, the guide arm's inlet end is provided to protrude from the fixed end toward the locking end.

[0012] A further improvement is that the support end of the air outlet is equipped with a guide post that extends in the left and right direction, and the limiting component has a guide hole that can be moved and fitted onto the guide post in the left and right direction.

[0013] A further proposed solution is to have at least two guide pillars and two guide holes, with multiple guide pillars arranged side by side on the support end of the air outlet, and a guide hole that can be moved in the left and right direction and fitted onto a guide pillar.

[0014] A further proposed solution is to set the extension direction of the drive column perpendicular to the rotation axis of the air guide plate.

[0015] A further option is that the number of first limiting grooves is at least two, and multiple first limiting grooves are distributed at equal intervals in the circumferential direction of the transmission rod, and / or the number of first limiting posts is at least two, and multiple first limiting posts are distributed at equal intervals in the circumferential direction of the transmission rod; or the number of second limiting grooves is at least two, and multiple second limiting grooves are distributed at equal intervals in the circumferential direction of the transmission rod, and / or the number of second limiting posts is at least two, and multiple second limiting posts are distributed at equal intervals in the circumferential direction of the transmission rod.

[0016] A further proposed solution is to have at least two sweeping blades and two impellers, with multiple sweeping blades arranged side-by-side on the drive rod in the left-right direction, and multiple impellers arranged side-by-side on the drive rod in the left-right direction, with at least one sweeping blade between two adjacent impellers.

[0017] To achieve the second objective of the present invention, the present invention provides an air conditioner, including an indoor unit, wherein the indoor unit is the aforementioned indoor unit. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of an embodiment of the indoor unit of the air conditioner of the present invention.

[0019] Figure 2 This is a partial exploded view of an embodiment of the indoor unit of the air conditioner of the present invention.

[0020] Figure 3 This is a partial structural diagram of an embodiment of the air conditioner indoor unit of the present invention.

[0021] Figure 4 yes Figure 2 Enlarged view at point A.

[0022] Figure 5 yes Figure 3 Enlarged view at point B.

[0023] Figure 6 This is a cross-sectional view of the air guide plate in an embodiment of the air conditioner indoor unit of the present invention.

[0024] Figure 7 This is a front view of the air-sweeping structure in an embodiment of the air conditioner indoor unit of the present invention.

[0025] Figure 8 yes Figure 7 Enlarged view at point C.

[0026] Figure 9 This is a structural diagram of the limiting component in an embodiment of the air conditioner indoor unit of the present invention.

[0027] Figure 10 This is a structural diagram showing the elastic segment of the elastic arm on the limiting member in a forced elastic deformation state in an embodiment of the air conditioner indoor unit of the present invention.

[0028] Figure 11 This is a structural diagram showing the elastic segment of the elastic arm on the limiting member in the embodiment of the air conditioner indoor unit of the present invention in a reset free state.

[0029] Figure 12 This is a schematic diagram of the first working state of an embodiment of the air conditioner indoor unit of the present invention.

[0030] Figure 13 This is a schematic diagram of the second working state of an embodiment of the air conditioner indoor unit of the present invention.

[0031] Figure 14 This is a schematic diagram of the third working state of an embodiment of the air conditioner indoor unit of the present invention.

[0032] Figure 15 This is a schematic diagram of the fourth working state of an embodiment of the air conditioner indoor unit of the present invention.

[0033] Figure 16 This is a schematic diagram of the fifth working state of an embodiment of the air conditioner indoor unit of the present invention.

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0035] See Figures 1 to 11This embodiment discloses an air conditioner indoor unit 10, including a housing 11, a sweeping structure 30, an air guide plate 12, a drive control mechanism, and a limiting member 40. The housing 11 has an air outlet 111. The sweeping structure 30 includes a transmission rod 31 and sweeping blades 33 disposed on the transmission rod 31. The transmission rod 31 extends in the left-right direction of the air outlet 111 and is rotatably supported within the air outlet 111. The sweeping blades 33 are inclined towards one end of the transmission rod 31 in the left-right direction of the air outlet 111. The air guide plate 12 is rotatably supported at the air outlet end of the air outlet 111. The drive control mechanism can control the air guide plate 12 to rotate around the air outlet 111 in the left-right direction. In this embodiment, the air guide plate 12 has a protruding drive column 121, and the transmission rod 31 has an impeller 32. Furthermore, in this embodiment, the limiting member 40 is movable in the left and right direction of the air outlet 111 and is supported on the supporting end of the air outlet 111. The limiting member 40 is provided with a first limiting post 44 at the limiting end in the left and right direction of the air outlet 111, and the transmission rod 31 is provided with a first limiting groove 34 at the locking end in the left and right direction of the air outlet 111. Alternatively, the limiting member 40 is provided with a second limiting groove (not shown) at the limiting end in the left and right direction of the air outlet 111, and the transmission rod 31 is provided with a second limiting post (not shown) at the locking end in the left and right direction of the air outlet 111. Therefore, when the drive column 121 forces the limiting member 40 to move closer to the locking end of the transmission rod 31 in the left-right direction of the air outlet 111, causing the first limiting column 44 to insert into the first limiting groove 34, or the second limiting column to insert into the second limiting groove, the transmission rod 31 is forced to stop rotating; when the drive column 121 forces the limiting member 40 to move away from the locking end of the transmission rod 31 in the left-right direction of the air outlet 111, causing the first limiting column 44 to disengage from the first limiting groove 34, or the second limiting column to disengage from the second limiting groove, the airflow drives the impeller 32 to rotate, thereby driving the transmission rod 31 to rotate. Specifically, in this embodiment, the drive control mechanism is a drive motor.

[0036] In this embodiment, during the operation of the indoor unit 10 of the air conditioner, the drive control mechanism controls the air guide plate 12 to rotate around the air outlet 111 in the left and right directions, so as to open the air outlet 111 of the casing 11 from the closed state. The air guide plate 12 can guide the airflow blown out of the air outlet 111 up and down. When it is necessary to sweep the airflow from the air outlet 111 left and right, the drive control mechanism controls the air guide plate 12 to rotate within a certain angle range around the left and right direction of the air outlet 111. Thus, the drive column 121 on the air guide plate 12 can force the limiting member 40 to move away from the locking end of the transmission rod 31 in the left and right direction of the air outlet 111. This causes the first limiting post 44 on the limiting member 40 to disengage from the first limiting groove 34 on the transmission rod 31, or the second limiting post on the transmission rod 31 to disengage from the second limiting groove on the limiting member 40. Since the airflow in the air outlet 111 has a certain flow speed, the airflow in the air outlet 111 can drive the impeller 32 on the transmission rod 31 to rotate, thereby driving the transmission rod 31 to rotate. The transmission rod 31 synchronously drives the sweeping blade 33 to rotate. Since the sweeping blade 33 is inclined towards one end of the transmission rod 31 in the left and right direction of the air outlet 111, the rotating sweeping blade 33 can sweep the airflow from the air outlet 111 left and right. When there is no need to sweep the airflow from the air outlet 111 left and right, the drive control mechanism controls the air guide plate 12 to rotate within a certain angle range around the left and right direction of the air outlet 111. As a result, the drive column 121 on the air guide plate 12 can force the limiting member 40 to move close to the locking end of the transmission rod 31 in the left and right direction of the air outlet 111. This causes the first limiting post 44 on the limiting member 40 to insert into the first limiting groove 34 on the transmission rod 31, or the second limiting post on the transmission rod 31 to insert into the second limiting groove on the limiting member 40, so as to force the transmission rod 31 to stop rotating. As a result, the airflow in the air outlet 111 cannot drive the impeller 32 on the transmission rod 31 to drive the transmission rod 31 to rotate, and the sweeping blade 33 stops rotating.

[0037] Therefore, in this embodiment, the transmission rod 31 of the air-sweeping structure 30 of the indoor unit 10 of the air conditioner is provided with an impeller 32. The airflow from the air outlet 111 drives the transmission rod 31 to rotate. Along with the rotation of the transmission rod 31, the air-sweeping blades 33 are driven to rotate to sweep the airflow from the air outlet 111 left and right. The automatic left and right sweeping function is achieved without the need for an independent motor to drive the transmission rod 31 to rotate. This reduces the energy consumption of the airflow from the air outlet 111 and reduces the electricity cost for users of the air conditioner. In addition, in this embodiment, the indoor unit 10 of the air conditioner provides a drive column 121 on the air guide plate 12. As the drive control mechanism controls the rotation of the air guide plate 12, the drive column 121 on the air guide plate 12 can force the limiting member 40 to move in the left and right direction of the air outlet 111, thereby forcing the transmission rod 31 to stop rotating and turn off the left and right sweeping function. Alternatively, the restriction on the transmission rod 31 can be released so that the transmission rod 31 rotates under the airflow blowing the impeller 32, thereby turning on the left and right sweeping function. Therefore, in this embodiment, the indoor unit 10 of the air conditioner only needs to be equipped with a drive control mechanism to realize the left and right sweeping and up and down guiding functions. By moving the limit member 40 in the left and right direction of the air outlet 111 through the drive column 121 on the air guide plate 12, the left and right sweeping function can be turned on or off. This can reduce the power consumption of the airflow blown out of the air outlet 111 to perform left and right sweeping and up and down guiding, thereby reducing the electricity cost for users of the air conditioner. Moreover, the indoor unit 10 of the air conditioner in this embodiment has a simple structure and the left and right sweeping and up and down guiding functions are safe and reliable to operate.

[0038] Specifically, in this embodiment, an elastic arm 42 is provided on the receiving surface of the limiting member 40 near the driving column 121. The fixed end 421 of the elastic arm 42 is fixedly disposed on the limiting member 40, and the elastic segment 422 of the elastic arm 42 can swing around the fixed end 421, such as... Figure 10 and Figure 11 As shown, in this embodiment, the elastic section 422 is inclined relative to the air outlet 111 in the left-right direction in a free state. The drive column 121 can press against the inner side 4222 or the outer side 4221 of the elastic section 422. The outer side 4221 of the elastic section 422 is opposite to the inner side 4222 of the elastic section 422, and the outer side 4221 of the elastic section 422 is located near the locking end of the transmission rod 31 in the left-right direction of the air outlet 111. When the drive column 121 presses against the outer side 4221 of the elastic section 422, it can force the limiting member 40 to move away from the locking end of the transmission rod 31 in the left-right direction of the air outlet 111, such as... Figure 12 and Figure 13 As shown; when the drive column 121 presses against the inner side 4222 of the elastic section 422, it can force the limiting member 40 to move in the left-right direction of the air outlet 111 towards the locking end of the transmission rod 31, as shown. Figure 15 and Figure 16 As shown.

[0039] In order to improve the swing elastic deformation capability of the elastic segment 422 of the elastic arm 42 around the fixed end 421 of the elastic arm 42, in this embodiment, a recessed groove 4223 is provided on the inner side surface 4222 and / or the outer side surface 4221 of the elastic segment 422 near the fixed end 421, thereby reducing the wall thickness of the elastic segment 422 near the fixed end 421 and thus improving the swing elastic deformation capability of the elastic segment 422.

[0040] Furthermore, in this embodiment, the receiving surface of the limiting member 40 is provided with a guide arm 41. The guide arm 41 is located on the side of the elastic arm 42 away from the transmission rod 31, and the guide arm 41 is inclined away from the transmission rod 31 at the inlet end face 411 near the transmission rod 31. The elastic segment 422 is inclined toward the transmission rod 31 in the free state. An inlet port 46 is formed between the inlet end of the guide arm 41 near the fixed end 421 and the fixed end 421. The drive column 121 can pass through the inlet port 46 and press against the inlet end face 411, which can force the limiting member 40 to move near the locking end of the transmission rod 31 in the left and right direction of the air outlet 111. Figure 13 and Figure 14 As shown. Specifically, in this embodiment, the guide arm 41 has its inlet end protruding from the fixed end 421 toward the locking end of the transmission rod 31, thereby guiding the drive column 121 to smoothly pass through the inlet port 46 and press against the inlet end face 411 of the guide arm 41.

[0041] To improve the stability and consistency of the elastic segment 422 of the elastic arm 42 when it is elastically reset to a free state, in this embodiment, the receiving surface of the limiting member 40 is provided with a limiting platform 43. The limiting platform 43 is located at the end of the elastic segment 422 away from the locking end of the transmission rod 31 in the left and right direction of the air outlet 111. The inner side surface 4222 of the elastic segment 422 can press against the positioning side surface of the limiting platform 43 near the elastic segment 422. The positioning side surface of the elastic segment 422 limits the elastic segment 422 of the elastic arm 42 when it is elastically reset.

[0042] In this embodiment, the supporting end of the air outlet 111 is provided with a guide post 112, which extends in the left-right direction of the air outlet 111. The limiting member 40 has a guide hole 45, which is movably fitted onto the guide post 112 in the left-right direction of the air outlet 111, thereby ensuring that the limiting member 40 moves stably and reliably in the left-right direction of the air outlet 111. Specifically, in this embodiment, there are at least two guide posts 112 and at least two guide holes 45. Multiple guide posts 112 are arranged side by side on the supporting end of the air outlet 111, and one guide hole 45 is movably fitted onto one guide post 112 in the left-right direction of the air outlet 111. This avoids the limiting member 40 from rotating when the driving post 121, which rotates around the left-right direction of the air outlet 111, forces the limiting member 40 to move in the left-right direction of the air outlet 111, thereby further improving the stability and reliability of the limiting member 40 moving in the left-right direction of the air outlet 111.

[0043] Furthermore, in this embodiment, the extension direction of the drive column 121 on the air guide plate 12 is perpendicular to the rotation axis of the air guide plate 12, so as to ensure that the drive column 121 on the air guide plate 12 can stably and reliably force the limiting member 40 to move in the left and right direction of the air outlet 111.

[0044] Furthermore, in this embodiment, the number of first limiting grooves 34 is at least two, and the plurality of first limiting grooves 34 are evenly distributed in the circumferential direction of the transmission rod 31, and / or, the number of first limiting posts 44 is at least two, and the plurality of first limiting posts 44 are evenly distributed in the circumferential direction of the transmission rod 31, to ensure the reliability of the matching between the first limiting grooves 34 and the first limiting posts 44; or, the number of second limiting grooves is at least two, and the plurality of second limiting grooves are evenly distributed in the circumferential direction of the transmission rod 31, and / or, the number of second limiting posts is at least two, and the plurality of second limiting posts are evenly distributed in the circumferential direction of the transmission rod 31, to ensure the reliability of the matching between the second limiting grooves and the second limiting posts.

[0045] Furthermore, in this embodiment, the number of sweeping blades 33 and impellers 32 is at least two each. Multiple sweeping blades 33 are arranged side-by-side on the transmission rod 31 in the left-right direction of the air outlet 111, and multiple impellers 32 are also arranged side-by-side on the transmission rod 31 in the left-right direction of the air outlet 111. At least one sweeping blade 33 is positioned between adjacent impellers 32 to enhance the rotational driving force of the airflow within the air outlet 111 on the impellers 32 on the transmission rod 31, thereby increasing the rotational speed of the transmission rod 31 and consequently increasing the left-right sweeping rate of the sweeping blades 33 on the transmission rod 31. Specifically, in this embodiment, the angle of inclination between the sweeping blades 33 and the transmission rod 31 is greater than 0° and less than 85°.

[0046] See Figure 12In this embodiment, the drive column 121 on the air guide plate 12 of the indoor unit 10 of the air conditioner presses against the outer side 4221 of the elastic segment 422 on the limiting member 40. At this time, under the action of its own elastic restoring force and the pressing force of the drive column 121, the inner side 4222 of the elastic segment 422 on the limiting member 40 presses against the positioning side of the limiting platform 43. The limiting platform 43 limits the elastic swing stroke of the elastic segment 422 on the limiting member 40. As the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left-right direction, and the limiting member 40 is movably supported on the supporting end of the air outlet 111 in the left-right direction, as the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left-right direction, the elastic segment 422 on the limiting member 40, which is tilted relative to the left-right direction of the air outlet 111, is driven by the pressing force of the drive column 121 to move the limiting member 40 away from the locking end of the transmission rod 31 in the left-right direction of the air outlet 111. Figure 13 As shown, the first limiting post 44 is disengaged from the first limiting groove 34, or the second limiting post is disengaged from the second limiting groove, so that the airflow from the air outlet 111 drives the impeller 32 to rotate, thereby driving the transmission rod 31 to rotate, and thus the sweeping blades 33 on the transmission rod 31 sweep left and right.

[0047] See Figure 13 In this embodiment, the drive column 121 on the air guide plate 12 of the air conditioner indoor unit 10 presses against the outer side 4221 of the elastic section 422 on the limiting member 40, forcing the limiting member 40 to move away from the locking end of the transmission rod 31 in the left and right direction of the air outlet 111. As the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left and right direction, the drive column 121 on the air guide plate 12 disengages from the outer side 4221 of the elastic section 422 on the limiting member 40 and is located at the inlet 46 formed between the guide arm 41 near the fixed end 421 and the fixed end 421 of the elastic arm 42 on the limiting member 40.

[0048] See Figure 14As the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left and right directions, the drive column 121 on the air guide plate 12 passes through the inlet 46 formed between the guide arm 41 near the fixed end 421 on the limiting member 40 and the fixed end 421 of the elastic arm 42 and presses against the inlet end face 411 of the guide arm 41. Since the inlet end face 411 of the guide arm 41 is inclined away from the transmission rod 31, the inlet end face 411 of the guide arm 41, under the pressing force of the drive column 121, drives the limiting member 40 to move in the left and right directions of the air outlet 111 near the locking end of the transmission rod 31, so that the first limiting column 44 is inserted into the first limiting groove 34, or the second limiting column is inserted into the second limiting groove, so as to force the transmission rod 31 to stop rotating, thereby turning off the left and right sweeping function.

[0049] See Figure 15 As the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left and right directions, the drive column 121 on the air guide plate 12 disengages from the guide end face 411 of the guide arm 41 on the limiting member 40. Then, the drive column 121 on the air guide plate 12 presses against the inner side 4222 of the elastic section 422 on the limiting member 40, continuously forcing the limiting member 40 to move closer to the locking end of the transmission rod 31 in the left and right directions of the air outlet 111, so that the first limiting column 44 is inserted into the first limiting groove 34, or the second limiting column is inserted into the second limiting groove, so as to force the transmission rod 31 to stop rotating and continuously close the left and right sweeping function.

[0050] Referring to 16, as the drive column 121 on the air guide plate 12 rotates around the air outlet 111 in the left and right direction, the drive column 121 on the air guide plate 12 presses against the inner side 4222 of the elastic section 422 on the limiting member 40, forcing the elastic section 422 to swing toward the locking end of the transmission rod 31, thereby continuously forcing the limiting member 40 to move closer to the locking end of the transmission rod 31 in the left and right direction of the air outlet 111, so that the first limiting column 44 is inserted into the first limiting groove 34, or the second limiting column is inserted into the second limiting groove, so as to force the transmission rod 31 to stop rotating and continuously close the left and right sweeping function. Until the drive column 121 on the air guide plate 12 passes through the degree of freedom of the elastic segment 422 on the limiting member 40, the drive column 121 on the air guide plate 12 passes through the elastic segment 422 on the limiting member 40 and presses against the outer side 4221 of the elastic segment 422 on the limiting member 40. At this time, under the action of its own elastic restoring force and the pressing force of the drive column 121, the inner side 4222 of the elastic segment 422 on the limiting member 40 presses against the positioning side of the limiting platform 43. The limiting platform 43 limits the elastic swing stroke of the elastic segment 422 on the limiting member 40. Figure 12 As shown.

[0051] Thus, the cycle repeats itself. Figures 12 to 16By following the steps in between, the left and right air sweeping functions can be automatically turned on and off.

[0052] The above embodiments are merely preferred examples of the present invention and are not intended to limit the scope of the present invention. Therefore, all equivalent changes or modifications made to the structure, features and principles of the present invention in accordance with the claims of the present invention should be included within the scope of the present invention patent application.

Claims

1. An indoor unit for an air conditioner, comprising a housing, a sweeping structure, an air guide plate, and a drive control mechanism, wherein the housing has an air outlet, the sweeping structure includes a transmission rod and sweeping blades disposed on the transmission rod, the transmission rod extends in the left-right direction of the air outlet and is rotatably supported within the air outlet, the sweeping blades are inclined toward one end of the transmission rod in the left-right direction, the air guide plate is rotatably supported at the air outlet end, and the drive control mechanism can control the rotation of the air guide plate, characterized in that: The air guide plate is provided with a protruding drive column, and the transmission rod is provided with an impeller; The indoor unit of the air conditioner also includes a limiting member, which is movable in the left and right direction and supported at the supporting end of the air outlet. The limiting member is provided with a first limiting post at the limiting end in the left and right direction, and the transmission rod is provided with a first limiting groove at the locking end in the left and right direction. Alternatively, the limiting member is provided with a second limiting groove at the limiting end in the left and right direction, and the transmission rod is provided with a second limiting post at the locking end in the left and right direction. When the drive column forces the limiting member to move closer to the locking end in the left-right direction, the first limiting column is inserted into the first limiting groove, or the second limiting column is inserted into the second limiting groove, so as to force the transmission rod to stop rotating; When the drive column forces the limiting member to move away from the locking end in the left-right direction, causing the first limiting column to disengage from the first limiting groove, or the second limiting column to disengage from the second limiting groove, the airflow drives the impeller to rotate in order to drive the transmission rod to rotate. An elastic arm is provided on the receiving surface of the limiting member near the driving column. The fixed end of the elastic arm is fixedly provided on the limiting member, and the elastic segment of the elastic arm can swing around the fixed end. The elastic segment is inclined relative to the left and right direction in the free state. The driving column can press against the inner side or the outer side of the elastic segment. The outer side of the elastic segment is opposite to the inner side of the elastic segment, and the outer side of the elastic segment is close to the locking end in the left and right direction. When the drive column presses against the outer surface of the elastic section, it can force the limiting member to move away from the locking end in the left-right direction; when the drive column presses against the inner surface of the elastic section, it can force the limiting member to move closer to the locking end in the left-right direction.

2. The indoor unit of the air conditioner according to claim 1, characterized in that: The receiving surface of the limiting member is provided with a guide arm. The guide arm is located on the side of the elastic arm away from the transmission rod, and the guide arm is inclined away from the transmission rod at the inlet end face of the guide arm near the transmission rod. The elastic segment is inclined toward the transmission rod in the free state. An inlet is formed between the inlet end of the guide arm near the fixed end and the fixed end. The drive column can pass through the inlet and press against the inlet end face, which can force the limiting member to move closer to the locking end in the left and right direction. And / or, a recessed groove is provided on the inner side of the elastic segment and / or on the outer side of the elastic segment near the fixed end.

3. The indoor unit of the air conditioner according to claim 2, characterized in that: The receiving surface of the limiting member is provided with a limiting platform. The limiting platform is located at the end of the elastic segment away from the locking end in the left-right direction. The inner side of the elastic segment can press against the positioning side of the limiting platform near the elastic segment. And / or, the guide arm's inlet end protrudes from the fixing end toward the locking end.

4. The indoor unit of the air conditioner according to claim 1, characterized in that: The air outlet is provided with a guide post at its supporting end. The guide post extends in the left and right direction. The limiting member is provided with a guide hole. The guide hole is movably fitted onto the guide post in the left and right direction.

5. The indoor unit of the air conditioner according to claim 4, characterized in that: The number of guide posts and guide holes are at least two each. Multiple guide posts are arranged side by side on the support end of the air outlet, and one guide hole is movably fitted onto one guide post in the left-right direction.

6. The indoor unit of the air conditioner according to claim 1, characterized in that: The extension direction of the drive column is perpendicular to the rotation axis of the air guide plate.

7. The indoor unit of the air conditioner according to claim 1, characterized in that: The number of the first limiting grooves is at least two, and the plurality of the first limiting grooves are distributed at equal intervals in the circumferential direction of the transmission rod, and / or the number of the first limiting posts is at least two, and the plurality of the first limiting posts are distributed at equal intervals in the circumferential direction of the transmission rod; Alternatively, the number of the second limiting grooves is at least two, and the plurality of the second limiting grooves are distributed at equal intervals in the circumferential direction of the transmission rod, and / or the number of the second limiting posts is at least two, and the plurality of the second limiting posts are distributed at equal intervals in the circumferential direction of the transmission rod.

8. The indoor unit of the air conditioner according to any one of claims 1 to 7, characterized in that: The number of the sweeping blades and the impellers are at least two each. Multiple sweeping blades are arranged side by side on the transmission rod in the left-right direction. Multiple impellers are arranged side by side on the transmission rod in the left-right direction, and at least one sweeping blade is provided between two adjacent impellers.

9. An air conditioner, including an indoor unit, characterized in that: The air conditioner indoor unit is the air conditioner indoor unit according to any one of claims 1 to 8.

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