CN212566004U - Panel lifting structure of air conditioner indoor unit - Google Patents

Abstract

The utility model provides a lifting structure of a panel of an indoor unit of an air conditioner, which comprises a panel, a middle frame, a driving component and a plurality of sliding components, wherein each sliding component comprises a first guide slot and a first roller correspondingly matched with the first guide slot, the first guide slots of the sliding components are arranged on the front side surface of the middle frame at intervals, the first roller intervals of the sliding components are arranged on the rear side surface of the panel, and the panel is arranged in the corresponding first guide slots through the first rollers so as to be detachably arranged on the middle frame; the driving end of the driving assembly is in driving connection with the panel and used for driving the panel to move along the direction of the first guide groove. The utility model discloses simple structure, the operation is stable, and the panel mounting is dismantled simply.

Description

Panel lifting structure of air conditioner indoor unit

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an indoor unit panel elevation structure of air conditioning.

Background

The casing of the existing wall-mounted air conditioner indoor unit consists of a panel, a middle frame and a framework, and an evaporator, a cross-flow fan, a fan motor, an electric appliance box body and the like are arranged in the casing. In order to enhance the overall aesthetic degree of the indoor unit, the front panel adopts a flat plate structure with stronger decoration, an air inlet is arranged at the top of the indoor unit, and an air outlet is arranged below the indoor unit.

In the working process of the air conditioner indoor unit, various modes can be provided according to the user requirements, so that the air conditioner indoor unit can be conveniently used by a user. Different modes (such as refrigeration and heating) have certain requirements on wind speed, wind direction, wind quantity and the like, so that more comfortable user experience and better use effect are brought. In order to realize the switching of multiple modes of the indoor unit and achieve better appearance effect, the front panel of the indoor unit adopts an openable structure, and the panel is driven by a driving mechanism to reciprocate between a closed state and an opened state. In order to realize the movement of the panel, the existing driving mechanism adopts a rack and gear matching mode or a structure mode of gear, connecting rod, rack matching and the like, so that the driving mechanism is complex, the panel is unstable in operation, and the panel is difficult to mount and dismount.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machine panel elevation structure in air conditioning, simple structure, the operation is stable, and the panel mounting is dismantled simply.

The utility model discloses a realize through following technical scheme:

a lifting structure of a panel of an indoor unit of an air conditioner comprises the panel, a middle frame, a driving assembly and a plurality of sliding assemblies, wherein each sliding assembly comprises a first guide groove and a first rolling shaft correspondingly matched with the first guide groove; the driving end of the driving assembly is in driving connection with the panel and used for driving the panel to move along the direction of the first guide groove.

Furthermore, the sliding assemblies further comprise second guide grooves and second rollers correspondingly matched with the second guide grooves, the second guide grooves of the sliding assemblies are arranged on the front side face of the middle frame at intervals, the second rollers of the sliding assemblies are arranged on the rear side face of the panel at intervals, and when the first rollers are arranged in the corresponding first guide grooves, the second rollers are arranged in the corresponding second guide grooves.

Further, the first guide groove and the second guide groove are collectively called as guide grooves, the bottom wall of each guide groove extends to the outer side of the guide groove in the direction far away from the middle frame to form a guide plate, the thickness of the guide plate is gradually reduced from one end close to the guide grooves to one end far away from the guide grooves to form a triangular prism shape, and the inclined surface of the guide plate is connected with the side wall of each guide groove far away from the middle frame.

Furthermore, the side wall of the guide groove close to the middle frame is a first side wall, the side wall of the guide groove far away from the middle frame is a second side wall, the upper end of the first side wall extends upwards and is bent into a horizontal stop block towards the direction of the second side wall, and the horizontal stop block is connected with the upper end of the guide plate.

Furthermore, the lower end of the side wall, far away from the middle frame, of the first guide groove is provided with a third guide groove, and the panel is provided with a pre-hanging column which is correspondingly matched with the third guide groove.

Furthermore, the lower end of the side wall of the second guide groove, which is far away from the middle frame, is provided with a limit stop, and the limit stop is connected with the lower end of the corresponding guide-in plate.

Furthermore, the number of the sliding assemblies is two, and the opening directions of the first guide grooves of the two sliding assemblies are opposite; and/or the opening directions of the second guide grooves of the two sliding assemblies are opposite.

Further, the first roller comprises a mounting plate arranged on the panel, a connecting rod with a first end arranged on the mounting plate, and a shaft sleeve sleeved at a second end of the connecting rod, wherein a plurality of first bulges are arranged in the circumferential direction of the second end of the connecting rod, the shaft sleeve is of a hollow structure, a mounting hole is formed in one end of the shaft sleeve, an annular limiting step is arranged at the other end of the shaft sleeve, the shape of the mounting hole is matched with the shape of the section of the second end of the connecting rod, the second end of the connecting rod is inserted into the shaft sleeve through the mounting hole and is abutted to the annular limiting step, and the second roller is.

Further, the driving assembly comprises a rack, a gear, a motor and a gear box, wherein the rack is vertically arranged in the gear box, two ends of the rack extend out of the gear box respectively, two ends of one side, far away from the front side face of the middle frame, of the rack are provided with second protrusions, the gear is arranged in the gear box and meshed with the rack, the motor is installed on the front side face of the middle frame, a driving end of the motor is connected with the gear, and two clamping grooves for inserting the second protrusions are formed in the panel.

Further, the second bulge is a truncated cone which gradually becomes smaller towards the direction far away from the rack; and/or, the side surface of the rack is provided with a limit groove along the length direction of the rack, and the gear box is provided with a limit column correspondingly matched with the limit groove.

Compared with the prior art, the beneficial effects of the utility model are that: the panel mounting and dismounting device is simple in structure, the panel can be mounted on the front side surface of the middle frame only by sliding the first rolling shaft into the corresponding first guide groove when the panel is mounted, and the panel is separated from the middle frame by sliding the first rolling shaft out of the corresponding first guide groove when the panel is dismounted, so that the panel is simple to mount and dismount, and is convenient and quick; and when the driving assembly drives the panel to move up and down, the up-and-down moving direction of the panel is limited through the matching of the first rolling shaft and the first guide groove, so that the panel can stably move.

Drawings

Fig. 1 is a front view of the lifting structure of the panel of the indoor unit of the air conditioner;

FIG. 2 is a D-D sectional view of the panel lifting structure of the indoor unit of the air conditioner of the present invention shown in FIG. 1;

fig. 3 is a sectional view taken along the line a-a in fig. 1, illustrating the panel lifting structure of the indoor unit of an air conditioner according to the present invention;

fig. 4 is a sectional view taken along line B-B of fig. 3 of the lifting structure of the panel of the indoor unit of the air conditioner of the present invention;

fig. 5 is a C-C sectional view of fig. 4 of the lifting structure of the panel of the indoor unit of the air conditioner of the present invention;

FIG. 6 is an exploded view of the lifting structure of the panel of the indoor unit of the air conditioner;

fig. 7 is an enlarged schematic view of a first guide groove in the lifting structure of the panel of the indoor unit of the air conditioner;

fig. 8 is an enlarged schematic view of a second guide groove in the lifting structure of the panel of the indoor unit of the air conditioner;

fig. 9 is an enlarged schematic view of a driving assembly in the lifting structure of the panel of the indoor unit of the air conditioner;

FIG. 10 is a rear view of the panel of the lifting structure of the panel of the indoor unit of the air conditioner of the present invention;

fig. 11 is an enlarged schematic view of a first roller in the lifting structure of the panel of the indoor unit of the air conditioner;

fig. 12 is an enlarged schematic view of the shaft sleeve in the lifting structure of the indoor unit panel of the air conditioner of the present invention.

In the figure, 1-panel, 11-pre-hanging column, 12-clamping groove, 2-middle frame, 3-driving component, 31-rack, 311-second protrusion, 312-limiting groove, 32-gear, 33-motor, 34-gear box, 341-limiting column, 4-sliding component, 41-first guide groove, 411-third guide groove, 42-first roller, 421-mounting plate, 422-connecting rod, 4221-first protrusion, 423-shaft sleeve, 4231-mounting hole, 43-second guide groove, 431-limiting block, 44-second roller, 45-guide-in plate and 46-horizontal block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Please refer to fig. 1 to fig. 6, fig. 1 is a front view of the panel lifting structure of the indoor unit of air conditioner, fig. 2 is a D-D cross-sectional view of fig. 1 of the panel lifting structure of the indoor unit of air conditioner, fig. 3 is an a-a cross-sectional view of fig. 1 of the panel lifting structure of the indoor unit of air conditioner, fig. 4 is a B-B cross-sectional view of fig. 3 of the panel lifting structure of the indoor unit of air conditioner, fig. 5 is a C-C cross-sectional view of fig. 4 of the panel lifting structure of the indoor unit of air conditioner, and fig. 6 is an exploded view of the panel lifting structure of the indoor unit of air conditioner. A lifting structure for a panel of an indoor unit of an air conditioner comprises a panel 1, a middle frame 2, a driving assembly 3 and a plurality of sliding assemblies 4, wherein each sliding assembly 4 comprises a first guide groove 41 and a first rolling shaft 42 correspondingly matched with the first guide groove 41, the first guide grooves 41 of the plurality of sliding assemblies 4 are arranged on the front side surface of the middle frame 2 at intervals, the first rolling shafts 42 of the plurality of sliding assemblies 4 are arranged on the rear side surface of the panel 1 at intervals, and the panel 1 is arranged in the corresponding first guide grooves 41 through the first rolling shafts 42 and is detachably arranged on the middle frame 2; the driving end of the driving assembly 3 is in driving connection with the panel 1 and is used for driving the panel 1 to move along the direction of the first guide groove 41.

Please refer to fig. 7, fig. 8, fig. 10 to fig. 12 in combination, fig. 7 is an enlarged schematic view of the first guide slot in the panel lifting structure of the indoor unit of the air conditioner, fig. 8 is an enlarged schematic view of the second guide slot in the panel lifting structure of the indoor unit of the air conditioner, fig. 10 is a rear view of the panel in the panel lifting structure of the indoor unit of the air conditioner, fig. 11 is an enlarged schematic view of the first roller in the panel lifting structure of the indoor unit of the air conditioner, fig. 11 does not show the shaft sleeve, fig. 12 is an enlarged schematic view of the shaft sleeve in the panel lifting structure of the indoor unit of the air conditioner. One side wall of the first guide groove 41 is fixed on the front side surface of the middle frame 2, and the extending direction of the first guide groove 41 is a vertical direction, and can also be slightly inclined with the vertical direction, and this can be set according to the actual situation. When the panel 1 needs to be installed, the first rollers 42 are arranged in the corresponding first guide grooves 41, so that the panel 1 can be installed on the front side surface of the middle frame 2, when the panel 1 needs to be disassembled, the panel 1 can be separated from the middle frame 2 by sliding the first rollers 42 out of the corresponding first guide grooves 41, the process of installing and disassembling the panel 1 is simple and rapid, and the movement direction of the panel 1 is limited by the extending direction of the first guide grooves 41. In an embodiment, the sliding assemblies 4 further include a second guide groove 43 and a second roller 44 correspondingly matched with the second guide groove 43, the second guide grooves 43 of the plurality of sliding assemblies 4 are arranged at intervals on the front side surface of the middle frame 2, the second rollers 44 of the plurality of sliding assemblies 4 are arranged at intervals on the rear side surface of the panel 1, and when the first rollers 42 are arranged in the corresponding first guide grooves 41, the second rollers 44 are arranged in the corresponding second guide grooves 43. A plurality of second guide grooves 43 are added, one side wall of each second guide groove 43 is fixed on the front side surface of the middle frame 2, the extending direction of each second guide groove 43 is parallel to the extending direction of the corresponding first guide groove 41, the second guide grooves 43 can be arranged above the first guide grooves 41, and the second guide grooves 43 and the first guide grooves 41 define the moving direction of the panel 1 together, so that the movement of the panel 1 is more stable. And by disposing the first rollers 42 in the corresponding first guide grooves 41 and by disposing the second rollers 44 in the corresponding second guide grooves 43, the panel 1 is more stable when mounted on the front side of the center frame 2. In one embodiment, the lower ends of the two sidewalls of the first guide groove 41 are connected by a first connection stopper, and the lower ends of the two sidewalls of the second guide groove 43 are connected by a second connection stopper, the first connection stopper being used to prevent the first roller 42 from being separated from the lower end of the first guide groove 41, and the second connection stopper being used to prevent the second roller 44 from being separated from the lower end of the second guide groove 43. In one embodiment, the number of the sliding assemblies 4 is two, and the opening directions of the first guide grooves 41 of the two sliding assemblies 4 are opposite; and/or the opening directions of the second guide grooves 43 of the two sliding assemblies 4 are opposite. That is, the opening direction of the first guide groove 41 of any one sliding assembly 4 is opposite to the opening direction of the first guide groove 41 of the other sliding assembly 4; the opening direction of the second guide groove 43 of any one sliding assembly 4 is opposite to the opening direction of the second guide groove 43 of the other sliding assembly 4. The two first guide grooves 41 have opposite opening directions, and when the panel 1 is mounted on the center frame 2, the left and right positions of the panel 1 are restricted by the contact between the bottom walls of the first guide grooves 41 and the corresponding first rollers 42. Similarly, the two second guide grooves 43 have opposite opening directions, and when the panel 1 is mounted on the middle frame 2, the bottom wall of the second guide groove 43 contacts the corresponding second roller 44, so that the left and right positions of the panel 1 are limited. If the number of the slide units 4 is two or more, the opening directions of the first guide grooves 41 of the two adjacent slide units 4 are opposite, and the opening directions of the second guide grooves 43 of the two adjacent slide units 4 are opposite.

In one embodiment, the first guide groove 41 and the second guide groove 43 are collectively referred to as a guide groove, a bottom wall of the guide groove extends to the outer side of the guide groove in a direction away from the middle frame 2 to form a guide plate 45, the thickness of the guide plate 45 gradually decreases from one end close to the guide groove to one end away from the guide groove to form a triangular prism, and an inclined surface of the guide plate 45 is connected with a side wall of the guide groove away from the middle frame 2. When the panel 1 is installed, the first rollers 42 slide into contact with the corresponding side walls of the first guide grooves 41 through the inclined surfaces of the corresponding guide blocks, so that the first rollers 42 slide into the first guide grooves 41 along the side walls of the first guide grooves 41, and the second rollers 44 slide into contact with the corresponding side walls of the second guide grooves 43 through the inclined surfaces of the corresponding guide blocks, so that the second rollers 44 slide into the second guide grooves 43 along the side walls of the second guide grooves 43, thereby facilitating the installation of the panel 1. Further, the side wall of the guiding groove close to the middle frame 2 is a first side wall, the side wall far from the middle frame 2 is a second side wall, the upper end of the first side wall extends upwards and is bent to the direction of the second side wall to form a horizontal stop 46, and the horizontal stop 46 is connected with the upper end of the guiding plate 45. A guide groove inlet for the first roller 42 or the second roller 44 to enter the guide groove is formed between the horizontal stop 46 and the second side arm, the first roller 42 slides into contact with the side wall of the corresponding first guide groove 41 through the corresponding guide-in block, the panel 1 slides upwards, the first roller 42 moves upwards along the side wall of the corresponding first guide groove 41 until contacting the horizontal stop 46, and then slides into the corresponding first guide groove 41 through the guide groove inlet; also, after the second rollers 44 are slid into contact with the sidewalls of the corresponding second guide grooves 43 by the corresponding guide blocks, the panel 1 is slid upward, and the second rollers 44 are moved upward along the sidewalls of the corresponding second guide grooves 43 until they come into contact with the horizontal stoppers 46, and then slid into the corresponding second guide grooves 43 through the guide groove entrances. Further, the lower end of the side wall of the second guide groove 43 away from the middle frame 2 is provided with a limit stopper 431, and the limit stopper 431 is connected with the lower end of the corresponding guide-in plate 45. The distance that the second roller 44 moves downward when the second roller 44 slides along the side wall of the corresponding second guide groove 43 is limited, and the second roller 44 is prevented from coming out of contact with the side wall of the corresponding second guide groove 43 and coming out of contact with the guide block of the second guide groove 43.

In an embodiment, a third guide slot 411 is provided at a lower end of the side wall of the first guide slot 41 away from the middle frame 2, and a pre-hanging column 11 correspondingly matched with the third guide slot 411 is provided on the panel 1. After the panel 1 is detached, the pre-hanging column 11 is placed in the corresponding third guide groove 411, so that the panel 1 is hung on the third guide groove 411, and a user can place the panel 1 when the indoor unit needs to be cleaned.

In an embodiment, the first roller 42 includes a mounting plate 421 disposed on the panel 1, a connecting rod 422 having a first end disposed on the mounting plate 421, and a shaft sleeve 423 sleeved on a second end of the connecting rod 422, a plurality of first protrusions 4221 are circumferentially disposed at the second end of the connecting rod 422, the shaft sleeve 423 is a hollow structure, one end of the shaft sleeve 423 is provided with a mounting hole 4231, the other end of the shaft sleeve 423 is provided with an annular limiting step, the shape of the mounting hole 4231 is matched with the cross-sectional shape of the second end of the connecting rod 422, the second end of the connecting rod 422 is inserted into the shaft sleeve 423 through the mounting hole 4231 and abuts against the annular limiting step, and the second roller 44 and the first roller. The shaft sleeve 423 is hollow, one end of the shaft sleeve 423 is provided with a mounting hole 4231, the second end of the connecting rod 422 is inserted into the shaft sleeve 423 through the mounting hole 4231, and the first protrusion 4221 is matched with the mounting hole 4231 and the annular limiting step respectively after rotation to prevent the shaft sleeve 423 from disengaging. Specifically, four first protrusions 4221 are uniformly arranged on the second end of the connecting rod 422 in the circumferential direction.

Referring to fig. 9, fig. 9 is an enlarged schematic view of a driving assembly in a panel lifting structure of an indoor unit of an air conditioner according to the present invention. Drive assembly 3 includes rack 31, gear 32, motor 33 and gear box 34, the vertical setting of rack 31 is in gear box 34, and gear box 34 is stretched out respectively at its both ends, the both ends of one side that middle frame 2 leading flank was kept away from to rack 31 all are equipped with the protruding 311 of second, gear 32 sets up in gear box 34, and its and rack 31 meshing, motor 33 installs the leading flank at middle frame 2, and its drive end is connected with gear 32, be equipped with two draw-in grooves 12 that supply two protruding 311 male of second respectively on the panel 1. When the panel 1 is installed on the front side surface of the middle frame 2, the two second protrusions 311 on the rack 31 are respectively inserted into the corresponding slots 12 to realize the connection between the rack 31 and the panel 1, the gear 32 is driven to rotate by the rotation of the driving end of the motor 33, the rotation of the gear 32 is converted into the upward or downward movement of the rack 31 by the meshing of the gear 32 and the rack 31, and the rack 31 drives the panel 1 to move upward or downward by the matching of the second protrusions 311 and the slots 12, so that the upward or downward movement of the panel 1 is realized. In one embodiment, the number of the driving assemblies 3 is two, two driving assemblies 3 are arranged on the front side surface of the middle frame 2 at intervals, and the two driving assemblies 3 drive the panel 1 to move up and down together, so that the panel 1 is more stable when moving.

In one embodiment, the second protrusion 311 is a truncated cone gradually decreasing toward a direction away from the rack 31; this arrangement facilitates insertion of the second protrusion 311 into the corresponding card slot 12. In one embodiment, the rack 31 has a limiting groove 312 along the length direction, and the gear box 34 has a limiting post 341 correspondingly engaged with the limiting groove 312. The engagement between the rack 31 and the pinion 32 is ensured by the fitting of the stopper post 341 with the stopper groove 312, and the moving direction of the rack 31 is defined. Further, both side surfaces of the rack 31 are provided with limiting grooves 312 along the length direction thereof, and the gear box 34 is provided with limiting columns 341 which are correspondingly matched with the two limiting grooves 312 one by one. In one embodiment, a plurality of rotatable rollers are provided in the gear box 34, and the rollers contact a side of the rack 31 away from the gear 32. The roller also ensures the engagement between the rack 31 and the pinion 32 and defines the moving direction of the rack 31, while reducing the frictional force between the rack 31 and the gear box 34 when the rack 31 moves.

Compared with the prior art, the beneficial effects of the utility model are that: the structure is simple, when the panel 1 is installed, the panel 1 can be installed on the front side surface of the middle frame 2 only by sliding the first rolling shafts 42 into the corresponding first guide grooves 41, when the panel 1 is disassembled, the first rolling shafts 42 are slid out of the corresponding first guide grooves 41, so that the panel 1 is separated from the middle frame 2, and the panel 1 is easy to install and disassemble, convenient and rapid; and when the driving assembly 3 drives the panel 1 to move up and down, the direction of the panel 1 moving up and down is limited by the cooperation of the first roller 42 and the first guide groove 41, so that the panel 1 can stably move.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, so that any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments without departing from the technical solution of the present invention all fall within the scope of the technical solution of the present invention.

Claims (10)

1. A lifting structure of a panel of an indoor unit of an air conditioner is characterized by comprising the panel, a middle frame, a driving assembly and a plurality of sliding assemblies, wherein each sliding assembly comprises a first guide groove and a first rolling shaft correspondingly matched with the first guide groove; the driving end of the driving assembly is in driving connection with the panel and used for driving the panel to move along the direction of the first guide groove.

2. The structure of claim 1, wherein the sliding members further comprise second guide grooves and second rollers engaged with the second guide grooves, the second guide grooves of the sliding members are spaced apart from each other on a front side of the center frame, the second rollers of the sliding members are spaced apart from each other on a rear side of the panel, and the second rollers are mounted in the corresponding second guide grooves when the first rollers are mounted in the corresponding first guide grooves.

3. The structure of lifting/lowering the panel of an indoor unit of an air conditioner according to claim 2, wherein the first and second guide grooves are collectively referred to as a guide groove, a bottom wall of the guide groove extends to an outer side of the guide groove in a direction away from the center frame to form a guide plate, a thickness of the guide plate gradually decreases from an end close to the guide groove to an end away from the guide groove to form a triangular prism, and an inclined surface of the guide plate is connected to a side wall of the guide groove away from the center frame.

4. An air conditioner indoor unit panel lifting structure as claimed in claim 3, wherein the side wall of the guide groove close to the middle frame is a first side wall, the side wall far from the middle frame is a second side wall, the upper end of the first side wall extends upwards and bends to a horizontal stop block towards the direction of the second side wall, and the horizontal stop block is connected with the upper end of the guide plate.

5. An air conditioner indoor unit panel lifting structure as claimed in claim 1, wherein a third guide groove is provided at a lower end of the side wall of the first guide groove far from the center frame, and a pre-hanging post is provided on the panel to be correspondingly engaged with the third guide groove.

6. An air conditioner indoor unit panel lifting structure as claimed in claim 2, wherein a limit stopper is provided at a lower end of the side wall of the second guide groove far from the middle frame, and the limit stopper is connected to a lower end of the corresponding guide plate.

7. An air conditioning indoor unit panel lifting structure according to claim 2, wherein the number of the sliding assemblies is two, and the opening directions of the first guide grooves of the two sliding assemblies are opposite; and/or the opening directions of the second guide grooves of the two sliding assemblies are opposite.

8. The lifting structure of the panel of the indoor unit of the air conditioner as claimed in claim 2, wherein the first roller includes a mounting plate disposed on the panel, a connecting rod having a first end disposed on the mounting plate, and a shaft sleeve sleeved at a second end of the connecting rod, the shaft sleeve has a hollow structure, one end of the shaft sleeve is provided with a mounting hole, the other end of the shaft sleeve is provided with an annular limiting step, the mounting hole has a shape adapted to a cross-sectional shape of the second end of the connecting rod, the second end of the connecting rod is inserted into the shaft sleeve through the mounting hole and abuts against the annular limiting step, and the second roller and the first roller have the same structure.

9. The lifting structure of an indoor unit panel of an air conditioner as claimed in claim 1, wherein the driving assembly includes a rack, a gear, a motor and a gear box, the rack is vertically disposed in the gear box, and both ends of the rack respectively extend out of the gear box, both ends of one side of the rack away from the front side of the middle frame are provided with second protrusions, the gear is disposed in the gear box and engaged with the rack, the motor is mounted on the front side of the middle frame, and a driving end of the motor is connected with the gear, and the panel is provided with two slots for the insertion of the two second protrusions.

10. An air conditioning indoor unit panel lifting structure according to claim 9, wherein the second projection is a truncated cone that gradually decreases away from the rack; and/or, the side of the rack is provided with a limit groove along the length direction of the rack, and the gear box is provided with a limit column correspondingly matched with the limit groove.

Images