CN215260143U - Wall-mounted air conditioner indoor unit - Google Patents

Abstract

The utility model relates to a wall-hanging air conditioning indoor unit, include: a housing; the additional air channel is provided with an air inlet and an air outlet, additional air outside the indoor unit flows into the additional air channel through the air inlet, and the additional air channel and the shell are arranged at intervals so as to form a drainage air channel between the heat exchange air flow outlet and the air outlet; and the lifting mechanism comprises a lifting rod and a screw rod, the lifting rod extends along the vertical direction and is connected with the additional air channel, the screw rod is parallel to the lifting rod, and a connecting structure matched with the screw thread of the screw rod is formed on the lifting rod, so that the lifting rod is driven by the screw rod to move up and down when the screw rod rotates in a horizontal plane in a controlled manner, and the additional air channel is driven to move up and down relative to the shell. The utility model discloses an air-out air current of machine in wall-hanging air conditioning is adjustable.

Description

Wall-mounted air conditioner indoor unit

Technical Field

The utility model relates to an air conditioning technology field especially relates to a wall-mounted air conditioner indoor unit.

Background

With the popularization of air conditioners, users have higher and higher requirements on the comfort and the health of air supply. For the traditional wall-mounted air conditioner indoor unit, the air volume and the noise are two contradictory parameters, and the existing air conditioner can cause the noise to be increased while increasing the air volume, so that the maximum air volume is limited in a certain range. Meanwhile, the air outlet airflow of the existing air conditioner is generally only heat exchange airflow, and the existing air conditioner has the problems of single airflow form, low cold air temperature or high hot air temperature, and the influence on user experience due to discomfort caused by direct blowing to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one defect of prior art, provide an air-out air current adjustable wall-hanging air conditioning indoor set.

A further object of the present invention is to provide a wall-mounted air conditioner indoor unit with a large and adjustable air volume.

In order to achieve the above object, the utility model provides a wall-mounted air conditioner indoor unit, include:

the heat exchanger comprises a shell, a heat exchanger and a heat exchange fan, wherein the shell is provided with a heat exchange airflow outlet, and the heat exchange airflow in the shell is driven to be sent out through the heat exchange airflow outlet by the heat exchange fan;

the additional air duct is provided with an air inlet and an air outlet, additional air outside the indoor unit flows into the additional air duct through the air inlet, and the additional air duct and the shell are arranged at intervals to form a drainage air duct between the heat exchange airflow outlet and the air outlet; and

the lifting mechanism comprises a lifting rod and a lead screw, the lifting rod extends in the vertical direction and is connected with the additional air channel, the lead screw is arranged in parallel with the lifting rod, a connecting structure matched with the thread of the lead screw is formed on the lifting rod and is configured to be driven by the thread to move up and down to drive the lifting rod to move up and down so as to drive the additional air channel to move up and down relative to the shell when the lead screw is controlled to rotate in the horizontal plane.

Optionally, the thread of the lead screw is a single-drive thread;

the connecting structure is a clamping groove which is formed by extending the lifting rod to one side of the screw rod and has an opening facing the screw rod, and the single-line transmission thread is matched in the clamping groove.

Optionally, the lifting mechanism further comprises: the fixing frame is fixed inside the machine shell and provided with a first horizontal part, a vertical part and a second horizontal part which are sequentially connected, the first horizontal part and the second horizontal part are arranged oppositely at an upper interval, and the lead screw is clamped between the first horizontal part and the second horizontal part.

Optionally, the lifting mechanism further comprises: the motor is fixed with the first horizontal part, and the output shaft of the motor is connected with the upper end of the lead screw.

Optionally, the lifting mechanism further comprises: and the bearing is fixed with the second horizontal part, and the lower end of the lead screw is connected with the bearing.

Optionally, the lifting mechanism further comprises: the lifting rod is movably arranged on the first horizontal part and/or the second horizontal part and is movably arranged on the vertical part.

Optionally, the heat exchange airflow outlet extends transversely to be arranged at the bottom of the front side of the casing;

the additional air duct has a main body part extending along the transverse direction and two side end parts extending along the longitudinal direction, wherein

The front side of the main body part is provided with an air outlet extending along the transverse direction, and the main body part is arranged below the machine shell at intervals so as to form a drainage air channel between the additional air channel and the machine shell;

the two side ends are positioned at the left and right sides of the main body part, and the lifting rod is connected with the side ends.

Optionally, the side end portion and the lifting rod are correspondingly provided with fixing holes, and the fixing of the lifting rod and the side end portion is realized by using a fixing piece to penetrate through the fixing holes of the side end portion and the lifting rod.

Optionally, the number of the lifting mechanisms is two, and the two lifting mechanisms are respectively arranged at the inner sides of the two side end covers of the machine shell and respectively connected with one side end.

Optionally, the indoor unit of an air conditioner further includes:

an air duct configured such that an inlet is located outside the cabinet to introduce additional air; and

and the additional fan is configured to have an inlet communicated with the outlet of the air pipe and an outlet communicated with the air inlet so as to controllably drive additional air to enter the air pipe, flow to the additional air duct and be sent out through the air outlet, so that the additional air flowing out through the air outlet is mixed with the indoor air flowing out through the drainage air duct and the heat exchange air flow sent out through the heat exchange air flow outlet.

The wall-mounted air conditioner indoor unit of the utility model is provided with the additional air channel, so that the additional air outside the casing can enter the additional air channel and then is sent out through the air outlet, and the total air volume of the indoor unit can be improved; by forming the drainage channel, indoor air can be introduced into the outlet air flow, so that the outlet air flow of the indoor unit cannot be overcooled or overheated; the utility model discloses an indoor set of air conditioning still is provided with the elevating system including lifter and lead screw and extends and link to each other with additional wind channel through following the upper and lower direction with the lifter, be on a parallel with the lifter setting with the lead screw and be formed with the screw thread matched with connection structure with the lead screw on the lifter, the lead screw constitutes screw drive with the connection structure of lifter, make the lead screw controlled ground when horizontal plane internal rotation, connection structure receives the screw thread drive to reciprocate and drive the lifter and reciprocate and then drive additional wind channel and reciprocate for the casing, can influence the proportion of each part air current in the air-out air current, the mixed effect and whole induced air volume and whole air supply volume etc. of each part air current, make air-out air current form more, satisfy user's individual character demand.

Further, the utility model discloses a wall-hanging air conditioning indoor set is through setting the lead screw to have single line transmission screw, sets connection structure to the double-layered groove of opening orientation lead screw for the cooperation simple structure of lifter and lead screw realizes easily.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a front view schematically illustrating an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a front view schematically showing part of the components of the air conditioning indoor unit shown in fig. 1.

Fig. 3 is a schematic structural view of an additional duct of the indoor unit of the air conditioner shown in fig. 1.

Fig. 4 is a schematic structural view of an additional duct and a lifting mechanism of the indoor unit of the air conditioner shown in fig. 1.

Fig. 5 is a partially enlarged schematic view of fig. 4.

Fig. 6 is a schematic structural view of an additional air duct, an air duct, and an additional fan of the indoor unit of the air conditioner shown in fig. 1.

Fig. 7 is a cross-sectional view of the air conditioning indoor unit shown in fig. 1 taken along a longitudinal section extending in the front-rear direction.

Detailed Description

The present invention provides a wall-mounted air conditioner indoor unit 100, which is an air conditioner indoor unit 100 that is generally hung on a wall or other support locations.

Fig. 1 is a front view schematically illustrating an air conditioning indoor unit 100 according to an embodiment of the present invention. Fig. 2 is a front view schematically showing part of the components of the air conditioning indoor unit 100 shown in fig. 1. Fig. 3 is a schematic structural view of the additional duct 40 of the indoor unit 100 of the air conditioner shown in fig. 1. Fig. 4 is a schematic structural view of the additional duct 40 and the elevating mechanism 90 of the indoor unit 100 of the air conditioner shown in fig. 1. Fig. 5 is a partially enlarged schematic view of fig. 4.

Referring to fig. 1 and 2, an air conditioning indoor unit 100 according to an embodiment of the present invention may generally include: a cabinet 10, an additional duct 40, and a lifting mechanism 90. The casing 10 is provided with a heat exchange airflow outlet 11, and a heat exchanger 20 and a heat exchange fan 30 are disposed inside the casing to make the heat exchange airflow in the casing 10 to be sent out through the heat exchange airflow outlet 11 by the heat exchange fan 30. The additional air duct 40 is provided with an air inlet 42 and an air outlet 41, the additional air outside the indoor unit 100 flows into the additional air duct 40 through the air inlet 42, and the additional air duct 40 and the cabinet 10 are spaced apart from each other to form a flow guide air duct 80 between the heat-exchange air outlet 11 and the air outlet 41. The lifting mechanism 90 includes a lifting rod 91 and a screw rod 92, the lifting rod 91 extends along the up-down direction and is connected with the additional air duct 40, the screw rod 92 is parallel to the lifting rod 91, a connection structure matched with the thread 920 of the screw rod 92 is formed on the lifting rod 91, and the connection structure is driven by the thread 920 to move up and down to drive the lifting rod 91 to move up and down so as to drive the additional air duct 40 to move up and down relative to the machine shell 10 when the screw rod 92 is controlled to rotate in the horizontal plane.

By arranging the additional air duct 40, the wall-mounted air conditioner indoor unit 100 of the embodiment of the present invention can make the additional air outside the casing 10 enter the additional air duct 40 and then be sent out through the air outlet 41, so that the total air volume of the indoor unit 100 can be increased; by forming the air guide duct 80, indoor air can be introduced into the outlet airflow, so that the outlet airflow of the indoor unit 100 is not overcooled or overheated; by arranging the additional air duct 40 and the air guiding duct 80, the outlet airflow of the indoor unit 100 includes the additional air flowing out through the air outlet 41, the indoor air flowing out through the air guiding duct 80, and the heat exchange airflow sent out through the heat exchange airflow outlet 11. The air-conditioning indoor unit 100 of the embodiment of the present invention further includes a lifting mechanism 90 including a lifting rod 91 and a screw 92, wherein the lifting rod 91 extends in the vertical direction and is connected to the additional air duct 40, the screw 92 is parallel to the lifting rod 91 and is formed with a connection structure matching with the screw 920 of the screw 92 on the lifting rod 91, the connection structure of the screw 92 and the lifting rod 91 forms a screw transmission mechanism, so that when the screw 92 is controllably rotated in the horizontal plane, the connection structure is driven by the screw 920 to move up and down to drive the lifting rod 91 to move up and down and further to drive the additional air duct 40 to move up and down relative to the casing 10, the ratio of each part of air flow in the outlet air flow, the mixing effect of each part of air flow, the whole air induction amount, the whole air supply amount, etc. for example, the change of the gap between the additional air duct 40 and the casing 10 can affect the mixing effect of the heat exchange air flow and the additional air flow, for example, the change of the gap between the additional air duct 40 and the casing 10 may affect the drainage effect of the drainage air duct 80 and further affect the proportion of the indoor air in the outlet air flow, so that different outlet air effects can be obtained by adjusting the up-and-down movement of the additional air duct 40, the outlet air flow has more forms, the individual requirements of users are met, and the use experience of the users is improved; the utility model discloses indoor set 100 of air conditioning's elevating system 90's structure is ingenious, pleasing to the eye, and assembles easily.

The utility model discloses thereby machine 100 in air conditioning forms drainage wind channel 80 between heat transfer airflow export 11 and air outlet 41 through setting up additional wind channel 40 and casing 10 interval, make the both sides of drainage wind channel 80 be heat transfer airflow export 11 and air outlet 41 respectively, along with the air supply of heat transfer airflow export 11 and air outlet 41, the both sides of drainage wind channel 80 all can produce the negative pressure, the air flow that introduces in drainage wind channel 80 under the effect of both sides negative pressure also can be bigger, the indoor air that introduces through drainage wind channel 80 mixes with the additional air that sends out through air outlet 41 and the heat transfer airflow that sends out through heat transfer airflow export 11, can further improve the whole induced air volume and the whole air supply volume of machine 100 in air conditioning.

The utility model discloses additional air, room air be the air that does not pass through the heat transfer of heat transfer fan 30 relative with the heat transfer air current. The additional air may be indoor air in the environment where the indoor unit 100 is located, outdoor fresh air isolated from the environment where the indoor unit 100 is located, or other functional gas, such as aromatherapy gas, sterilization gas, humidification gas, heating gas, or the like.

The connection structure may be a structure capable of forming a screw transmission with the thread 920 of the screw 92, for example, a movable nut fixed to the lifting rod 91 and penetrating the screw 92 for a circle to form a screw nut unit, or a clamping groove 910 formed on the lifting rod 91, and the clamping groove 910 is engaged with the thread 920. As shown in fig. 5, in some embodiments, the thread 920 of the screw 92 of the lifting mechanism 90 of the indoor unit 100 of the present invention is a single-line transmission thread 920; the connecting structure is a clamp groove 910 which is formed by extending the lifting rod 91 to the screw rod 92 side and has an opening facing the screw rod 92, and the single-thread transmission thread 920 is engaged in the clamp groove 910. Considering that the up-and-down movement distance of the additional air duct 40 is not required to be large, the wall-mounted air conditioner indoor unit 100 according to the embodiment of the present invention sets the lead screw 92 to have the single-line transmission thread 920, and sets the connection structure to the clamping groove 910 with the opening facing the lead screw 92, so that the matching structure of the lifting rod 91 and the lead screw 92 is simple and easy to implement. Referring to fig. 5, when the connection mechanism is a clamp groove 910, the main body of the lead screw 92 may be configured to be a cylindrical structure with a larger diameter, the main body of the lifting rod 91 may be configured to be a cylindrical structure with a smaller diameter, and a clamp groove 910 that is opened toward the lead screw 92 and is approximately along the front-back direction is formed on the side of the main body of the lifting rod 91 facing the lead screw 92, so as to facilitate the different sections of the thread 920 of the lead screw 92 to be clamped therein and rotated.

In some embodiments, the lifting mechanism 90 of the indoor unit 100 of the present invention further includes: and a fixing frame 94 fixed inside the casing 10, wherein the fixing frame 94 has a first horizontal portion 941, a vertical portion 943 and a second horizontal portion 942 sequentially connected to each other, the first horizontal portion 941 and the second horizontal portion 942 are disposed opposite to each other at an upper-lower interval, and the screw 92 is clamped between the first horizontal portion 941 and the second horizontal portion 942. By providing the fixing frame 94, providing the first horizontal portion 941 and the second horizontal portion 942 on the fixing frame 94, which are disposed opposite to each other at an upper-lower interval, and clamping the lead screw 92 between the first horizontal portion 941 and the second horizontal portion 942, the lead screw 92 can be stably mounted inside the housing 10.

In some embodiments, the lifting mechanism 90 of the indoor unit 100 of the present invention further includes: the motor 93, the motor 93 is fixed with the first horizontal portion 941, and an output shaft of the motor 93 is connected to an upper end of the screw 92. As shown in fig. 5, the motor 93 may be installed in the first horizontal portion 941, and the output shaft extends downward from the first horizontal portion 941 and is connected to the vertical shaft 921 of the lead screw 92. The motor 93 may be disposed above the first horizontal portion 941, and the output shaft passes through the first horizontal portion 941 and then is connected to the vertical shaft 921 of the lead screw 92. It is preferable that the motor 93 is installed in the first horizontal portion 941 without exceeding an upper end of the first horizontal portion 941 to minimize the overall height of the lifting mechanism 90.

In some embodiments, the lifting mechanism 90 of the indoor unit 100 of the present invention further includes: the bearing 95 is fixed to the second horizontal portion 942, and the bearing 95 is connected to the lower end of the screw 92. As shown in fig. 5, a bearing 95 may be installed above the second horizontal portion 942, and the vertical shaft 921 of the screw 92 is inserted into the bearing 95. The bearing 95 may be installed in the second horizontal portion 942. The bearing 95 is preferably installed above the second horizontal portion 942 to facilitate installation and fixation of the bearing 95.

In some embodiments, the lifting mechanism 90 of the indoor unit 100 of the present invention further includes: and at least two guide members 97 disposed at one end of the first horizontal portion 941 and/or the second horizontal portion 942 remote from the vertical portion 943, wherein the lifting rod 91 is movably inserted through the at least two guide members 97. Through setting up guide 97, wear to locate guide 97 with the lifter 91 activity, can carry on spacingly to lifter 91's removal, avoid appearing the skew. As shown in fig. 5, one guide 97 is provided at one end of the first and second horizontal portions 941 and 942, which is remote from the vertical portion 943, respectively.

Fig. 3 is a schematic structural view of the additional duct 40 of the indoor unit 100 of the air conditioner shown in fig. 1. Fig. 7 is a cross-sectional view of the air conditioning indoor unit 100 shown in fig. 1, taken along a longitudinal section extending in the front-rear direction. In some embodiments, the heat exchange airflow outlet 11 of the indoor unit 100 of the present invention is opened at the bottom of the front side of the casing 10 along the horizontal extension. The additional air duct 40 has a main body 401 extending in the transverse direction, an air outlet 41 extending in the transverse direction is opened at the front side of the main body 401, and the main body 401 is disposed below the machine casing 10 at intervals to form a drainage air duct 80 between the additional air duct 40 and the machine casing 10. The additional duct 40 further has two side end portions 402 extending in the longitudinal direction, the two side end portions 402 being located on the left and right sides of the main body portion 401, and the lifting rod 91 being connected to the side end portions 402.

As shown in fig. 1 and 7, a heat exchange airflow outlet 11 extending along the transverse direction of the casing 10 is formed on the casing 10, and a heat exchanger 20 and a heat exchange fan 30 are arranged in the casing, and the heat exchanger 20 can exchange heat with airflow flowing through the heat exchanger, so as to generate heat exchange airflow. The heat exchange fan 30 can promote the heat exchange airflow in the casing 10 to be sent out through the heat exchange airflow outlet 11. The housing 10 may include a cover 13, a skeleton 14, and side end caps (not shown) at both lateral sides. A front panel is provided on the front side of the housing 13. The top of the housing 13 is provided with a main air inlet 12. The air flow entering the casing 10 through the main air inlet 12 exchanges heat with the heat exchanger 20 and then reaches the heat exchange air flow outlet 11. The framework 14 is used to support the heat exchanger 20 and the heat exchange fan 30. The housing 10 may also include a volute tongue integrated into the skeleton defining an airflow path therebetween. The indoor unit 100 may further include a wind deflector 19 or the like provided at the heat-exchange airflow outlet 11. The heat exchanger 20 may be a tri-fold heat exchanger. The heat exchange fan 30 may be a cross-flow fan.

The utility model discloses indoor unit of air conditioner 100 is through setting additional wind channel 40 to have along transversely extending's main part 401, main part 401 sets up in the below of casing 10 and sets up with casing 10 interval certain distance, can make the heat transfer air outlet 11 that is in casing 10 front side bottom and the adjacent setting of air outlet 41 that is in the front side of main part 401 in additional wind channel 40, be convenient for mix better from the heat transfer air current that heat transfer air outlet 11 sent out and the additional air that sends out from air outlet 41, thereby ensure that the air-out of indoor unit of air conditioner 100 is softer. The additional air duct 40 is provided with an air outlet 41 extending along the transverse direction of the casing 10, so that the air supply range of the air-conditioning indoor unit 100 in the transverse direction can be expanded. The heat exchange airflow outlet 11 and the air outlet 41 extend substantially the same length in the transverse direction to enhance mixing between the two airflows delivered from the two air outlets. Meanwhile, the wall-mounted air conditioner indoor unit 100 according to the embodiment of the present invention configures the lifting rod 91 to be connected to the side end 402 by setting the additional air duct 40 to have two side ends 402 extending in the longitudinal direction, so that the lifting mechanism 90 is mainly accommodated in the lateral side portion of the casing 10, and the layout is compact, reasonable, and beautiful.

In some embodiments, the side end 402 and the lifting rod 91 of the indoor unit 100 of the present invention are correspondingly provided with fixing holes, and the fixing of the lifting rod 91 and the side end 402 is realized by using two fixing holes formed by the fixing member 98 penetrating the side end 402 and the lifting rod 91. As shown in fig. 3 and 5, the side end 402 is provided with a fixing hole 437, and a lower portion of the lifter 91 is provided with a fixing hole at a position corresponding to the fixing hole 437. By providing the side end portion 402 and the lifter 91 with fixing holes, the lifter 91 and the side end portion 402 can be stably connected to each other by inserting the fixing members 98 through the fixing holes of the side end portion 402 and the lifter 91. The fastener 98 may be a screw.

In some embodiments, the number of the lifting mechanisms 90 of the indoor unit 100 of the present invention is two, and the two lifting mechanisms are respectively disposed inside two side end caps of the casing 10 and respectively connected to one side end 402. By providing one elevating mechanism 90 at each side end 402, the up-and-down movement of the additional air duct 40 can be made more smooth.

Fig. 6 is a schematic structural view of the additional air duct 40, the air duct 70, and the additional fan 50 of the indoor unit 100 of the air conditioner shown in fig. 1. In some embodiments, the indoor unit 100 of the present invention further includes an air duct 70 and an additional fan 50. The air duct 70 is configured such that an inlet is located outside the cabinet 10 to introduce additional air. The additional blower 50 is configured to have an inlet in communication with the outlet of the air duct 70 and an outlet in communication with the air inlet 42 to controllably drive additional air into the air duct 70 to flow toward the additional air duct 40 and out through the air outlet 41, so that the additional air flowing out through the air outlet 41 is mixed with the indoor air flowing out through the air guiding duct 80 and the heat-exchange air flowing out through the heat-exchange air flow outlet 11. The utility model discloses indoor set 100 of air conditioner is through setting up tuber pipe 70, sets the import of tuber pipe 70 to be located the casing 10 outside, and the export is linked together with additional fan 50's entry for accessible additional fan 50 initiatively inhales additional wind channel 40 with the outside additional air of casing 10 in, can make indoor set 100's the general amount of wind improve greatly, and the air supply distance increases. After setting up tuber pipe 70 simultaneously, the optional type of additional air can greatly increased for can select the type that gets into the additional air of additional wind channel 40 according to the user's needs, and then can adjust the constitution of air-out air current, promote user and use experience. As previously mentioned, the additional air may be indoor air, outdoor fresh air or other functional gas. When the additional air is indoor air, the additional air, that is, the indoor air, may be introduced into the additional air duct 40 by opening a secondary air inlet at a position on the casing 10 corresponding to the inlet of the additional air blower 50, that is, the air duct 70 may not be provided, and at this time, an adjustable connection structure may be provided between the outlet of the additional air blower 50 and the air inlet 42, for example, an elastic connection pipe is provided, so that the outlet of the additional air blower 50 and the air inlet 42 of the additional air duct 40 are always kept communicated when the additional air duct 40 moves upward or downward.

To facilitate the assembly and disassembly of the air duct 70 and the additional fan 50, an air duct joint 60 may be provided, with an inlet end abutting the outlet of the air duct 70 and an outlet end abutting the inlet of the additional fan 50. The inlet of the air duct 70 may extend to the outside of the room to introduce fresh outdoor air; and/or the inlet of the air duct 70 may be connected to the air outlet of a functional module, which may include one or more of an aromatherapy module, a sterilization module, a humidification module, and a warm air module. The additional fan 50 may be, for example, a centrifugal fan. The flow paths of the additional air in the air duct 70, the additional fan 50 and the additional air duct 40 are shown by arrows in fig. 6.

An air inlet 42 is formed in at least one side end 402; the additional fan 50 is disposed above the air inlet 42. The utility model discloses air intake 42 is seted up on at least one side end 402 in additional wind channel 40, and additional fan 50 sets up in air intake 42's top, only need in casing 10 one of them horizontal lateral part leave hold additional fan 50 the space can, do not occupy casing 10 in the ascending space of front and back side, the casing 10 of having ensured whole air conditioning indoor set 100 still is complete to make it keep better pleasing to the eye effect. And simultaneously, the utility model discloses clearance between the below of additional wind channel 40 and casing 10 forms drainage wind channel 80, and these three air currents of the heat transfer air current that heat transfer airflow outlet 11 sent out, the additional air that air outlet 41 sent out and the indoor air that drainage wind channel 80 sent out are close to each other, are convenient for better mix gentle breeze.

The additional air duct 40 of the embodiment of the present invention may be an integrated structure or a split structure. As shown in fig. 7, the additional air duct 40 according to the embodiment of the present invention includes: an upper cover plate 43, a lower cover plate 44, and a lower molding 45. The upper cover plate 43 and the lower cover plate 44 are fixed to define an air flow passage of the additional duct 40. An air outlet 41 is arranged on the front wall section of the upper cover plate 43, and an air inlet 42 along the vertical direction is arranged on the side wall section. The lower molding 45 wraps the body and sidewall sections covering the upper and lower covers 43 and 44 to beautify the entire additional duct 40. Furthermore, the utility model discloses the front side of additional wind channel 40 still is fixed with lamp strip 48 in the top of air outlet 41 and/or below to further promote the utility model discloses the pleasing to the eye degree of indoor set 100 of the embodiment.

It should be further understood by those skilled in the art that the terms "upper", "lower", "front", "rear", and the like used in the embodiments of the present invention to indicate the orientation or the positional relationship are based on the actual use state of the wall-mounted air conditioner indoor unit, and these terms are only used for convenience of description and understanding of the technical solution of the present invention, and do not indicate or imply that the device referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. An indoor unit of a wall-mounted air conditioner, comprising:

the heat exchanger comprises a shell, a heat exchanger and a heat exchange fan, wherein the shell is provided with a heat exchange airflow outlet, and the heat exchange airflow in the shell is driven to be sent out through the heat exchange airflow outlet by the heat exchange fan;

the additional air channel is provided with an air inlet and an air outlet, additional air outside the indoor unit flows into the additional air channel through the air inlet, and the additional air channel and the shell are arranged at intervals so as to form a drainage air channel between the heat exchange air flow outlet and the air outlet; and

the lifting mechanism comprises a lifting rod and a screw rod, the lifting rod extends in the vertical direction and is connected with the additional air channel, the screw rod is parallel to the lifting rod, a connecting structure matched with the screw thread of the screw rod is formed on the lifting rod, and the connecting structure is driven by the screw thread to move up and down to drive the lifting rod to move up and down so as to drive the additional air channel to move up and down relative to the machine shell when the screw rod rotates in a horizontal plane in a controlled manner.

2. An indoor unit of an air conditioner according to claim 1,

the thread of the lead screw is a single-line transmission thread;

the connecting structure is formed by extending the lifting rod to one side of the lead screw, the opening of the connecting structure faces to the clamping groove of the lead screw, and the single-line transmission thread is matched in the clamping groove.

3. An indoor unit of an air conditioner according to claim 1,

the lifting mechanism further comprises: the fixing frame is fixed inside the machine shell and provided with a first horizontal part, a vertical part and a second horizontal part which are sequentially connected, the first horizontal part and the second horizontal part are arranged oppositely at an upper interval, and the lead screw is clamped between the first horizontal part and the second horizontal part.

4. An indoor unit of an air conditioner according to claim 3,

the lifting mechanism further comprises: and the motor is fixed with the first horizontal part, and an output shaft of the motor is connected with the upper end of the lead screw.

5. An indoor unit of an air conditioner according to claim 3,

the lifting mechanism further comprises: and the bearing is fixed with the second horizontal part, and the lower end of the lead screw is connected with the bearing.

6. An indoor unit of an air conditioner according to claim 3,

the lifting mechanism further comprises: the lifting rod is movably arranged on one end of the first horizontal part and/or one end of the second horizontal part, which is far away from the vertical part, and the lifting rod is movably arranged on the two guide pieces in a penetrating mode.

7. An indoor unit of an air conditioner according to claim 1,

the heat exchange airflow outlet extends transversely to the bottom of the front side of the shell;

the additional air duct has a main body part extending along the transverse direction and two side end parts extending along the longitudinal direction, wherein

The air outlet extending along the transverse direction is formed in the front side of the main body part, and the main body part is arranged below the machine shell at intervals so as to form the drainage air channel between the additional air channel and the machine shell;

the two side end parts are positioned at the left side and the right side of the main body part, and the lifting rod is connected with the side end parts.

8. An indoor unit of an air conditioner according to claim 7,

the side end part and the lifting rod are correspondingly provided with fixing holes, and the fixing of the lifting rod and the side end part is realized by utilizing a fixing piece to penetrate through the fixing holes of the side end part and the lifting rod.

9. An indoor unit of an air conditioner according to claim 7,

the number of the lifting mechanisms is two, the two lifting mechanisms are respectively arranged on the inner sides of the two side end covers of the shell and are respectively and correspondingly connected with one side end.

10. An indoor unit of an air conditioner according to claim 6, further comprising:

an air duct configured such that an inlet is located outside the cabinet to introduce additional air; and

and the additional fan is configured to have an inlet communicated with the outlet of the air pipe and an outlet communicated with the air inlet so as to controllably drive additional air to enter the air pipe, flow to the additional air duct and be sent out through the air outlet, so that the additional air flowing out through the air outlet is mixed with the indoor air flowing out through the drainage air duct and the heat exchange air flow sent out through the heat exchange air flow outlet.

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