Panel assembly, indoor unit and air conditioner

Abstract

The utility model discloses a panel assembly, indoor unit and air conditioner, this panel assembly includes middle frame and panel, and one side of middle frame is provided with inner taper gear hole, and one end of panel is provided with first connecting arm, and the other end of panel is provided with second connecting arm, and the side of second connecting arm close to inner taper gear hole is provided with outer bevel gear, and the elastic piece is arranged between outer bevel gear and second connecting arm, and first connecting arm is inserted and is connected with middle frame, and outer bevel gear is inserted with inner taper gear hole and is engaged with each other, along with panel by rotating switching to stationary, and the elastic piece is switched to first state from second state, and the elastic piece is stretched, to drive outer bevel gear and inner taper gear hole complete engagement, along with panel switching to rotating from stationary, and the elastic piece is switched to second state from first state, and the elastic piece is compressed, and outer bevel gear is followed with inner taper gear hole partial disengagement or complete disengagement.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning equipment technology, and in particular to a panel assembly, an indoor unit, and an air conditioner. Background Technology

[0002] As an important branch of split-type air conditioners, wall-mounted air conditioners are one of the best-selling types of air conditioners on the market and have always been a major product category for manufacturers. In order to increase the sales of wall-mounted air conditioners, it is necessary to continuously improve them so that users can have a better user experience. The indoor unit panel of existing wall-mounted air conditioners mainly uses hinges and protrusions on both sides to open, close and hover the panel. The support is unstable, the opening and closing process is prone to jamming, it cannot be hovered in any position, and the panel components are very easy to fall off when they are too heavy. Utility Model Content

[0003] The main objective of this utility model embodiment is to provide a panel assembly, indoor unit, and air conditioner, aiming to improve the technical problem that the indoor unit panel cannot be hovered at any position in the prior art.

[0004] An embodiment of this utility model provides a panel assembly, including:

[0005] The middle frame has an inner conical tooth hole on one side;

[0006] A panel, one end of which is provided with a first connecting arm, and the other end of which is provided with a second connecting arm. An external bevel gear is connected to the side of the second connecting arm near the inner bevel tooth hole. The external bevel gear is configured to move in a direction perpendicular to the second connecting arm under the action of an external force. An elastic element is provided between the external bevel gear and the second connecting arm. The first connecting arm is inserted into and rotatably connected to the middle frame. The external bevel gear is inserted into and meshes with the inner bevel tooth hole.

[0007] The panel assembly is configured such that: as the panel switches from rotation to rest, the elastic element switches from a second state to a first state, and the elastic element extends to drive the outer bevel gear to fully engage with the inner bevel gear hole; as the panel switches from rest to rotation, the elastic element switches from the first state to the second state, and the elastic element is compressed, thereby causing the outer bevel gear to partially or completely disengage from the inner bevel gear hole.

[0008] In some embodiments of this utility model, the external bevel gear includes a bevel gear portion and a shaft portion. The large end face of the bevel gear portion is provided with a countersunk platform. One end of the shaft portion is connected to the countersunk platform. The shaft portion is connected to the second connecting arm. The elastic member is sleeved on the shaft portion and one end abuts against the countersunk platform. The other end of the elastic member abuts against the second connecting arm.

[0009] In some embodiments of this utility model, an elastic buckle is provided on the side of the second connecting arm near the middle frame, and a second connecting hole is provided in the shaft body. The elastic buckle is inserted into the second connecting hole and locked to the second connecting hole. The shaft body can move along the length direction of the elastic buckle under the action of external force.

[0010] In some embodiments of this utility model, a blind hole is provided on the side of the second connecting arm near the middle frame, and the elastic buckle is disposed in the blind hole.

[0011] In some embodiments of this utility model, the second connecting hole includes a first hole segment and a second hole segment connected in sequence, the first hole segment is located at the end of the second hole segment away from the recessed platform, and the width of the first hole segment is smaller than the width of the second hole segment;

[0012] The elastic buckle has an unlocked state and a locked state that can be switched between each other. The elastic buckle can switch from the locked state to the unlocked state under the action of external force, and switch from the unlocked state to the locked state after the external force is removed.

[0013] When the elastic buckle is in the unlocked state, the maximum width of the elastic buckle is less than or equal to the width of the first hole segment, so that one end of the elastic buckle can extend into the first hole segment and enter the second hole segment;

[0014] When the elastic buckle is in the locked state, the width of the end of the elastic buckle away from the second connecting arm is greater than the width of the first hole segment, so that the elastic buckle is locked in the second connecting hole.

[0015] In some embodiments of this utility model, the elastic buckle includes at least two connecting ribs spaced apart from each other and arranged in parallel. A limit protrusion is provided at the end of the connecting rib away from the second connecting arm. The connecting ribs can be squeezed by external force to contact each other and enter the unlocked state, forming an elastic buckle with a width less than or equal to the width of the first hole segment, so as to enter the first hole segment.

[0016] When the external force is removed, the connecting ribs are spaced apart from each other, so that the width of the structure formed by at least two of the limiting protrusions is greater than the width of the first hole segment, so that the elastic buckle is locked in the second connecting hole.

[0017] In some embodiments of this utility model, the panel assembly further includes a first connecting part, which is inserted into and locked to the middle frame, and the inner conical tooth hole is disposed on the first connecting part.

[0018] In some embodiments of this utility model, a connecting shaft is provided on the first connecting arm, and a first connecting hole is provided on the side of the middle frame that is connected to the first connecting arm. The connecting shaft is inserted into and rotatably connected to the first connecting hole.

[0019] In some embodiments of this utility model, an indoor unit is also provided, including the panel assembly described above.

[0020] In some embodiments of this utility model, this utility model also provides an air conditioner, which includes the above-described indoor unit.

[0021] This utility model provides a panel assembly, an indoor unit, and an air conditioner. The panel assembly rotatably connects one side of the panel to the middle frame and the other side of the panel to the inner conical tooth hole of the middle frame via an external bevel gear. An elastic element is provided between the connecting arm of the external bevel gear and the panel, allowing the elasticity to switch between stationary and rotating states. Consequently, the degree of engagement between the external bevel gear and the inner conical tooth hole changes accordingly. As the panel switches from rotating to stationary, the elastic element switches from a second state to a first state, extending to fully engage the external bevel gear with the inner conical tooth hole, allowing the panel to be suspended at any position. As the panel switches from stationary to rotating, the elastic element switches from the first state to a second state, compressing and causing the external bevel gear to partially or completely disengage from the inner conical tooth hole, allowing the panel to rotate and be suspended freely. In other words, this utility model can ensure both flexible rotation of the panel and suspension at any position. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of a panel assembly according to an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram showing the relationship of an external bevel gear according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram showing the positional relationship between the external bevel gear and the elastic element in one embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the panel structure according to an embodiment of the present invention;

[0027] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0028] Figure 6 This is a schematic diagram of the structure of the second connecting hole according to an embodiment of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the middle frame according to an embodiment of the present utility model;

[0030] Figure 8 This is a schematic diagram of the structure of the first connecting part according to an embodiment of the present invention.

[0031] Reference numerals: 10, panel assembly; 100, middle frame; 110, first connecting part; 111, inner bevel tooth hole; 112, boss; 1121, limiting groove; 120, mating hole; 121, limiting rib; 200, panel; 210, first connecting arm; 220, second connecting arm; 221, blind hole; 222, elastic buckle; 2221, connecting rib; 300, external bevel gear; 310, bevel gear part; 320, shaft part; 321, second connecting hole; 3211, first hole segment; 3212, second hole segment; 330, countersunk platform; 400, elastic element. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0034] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0036] like Figures 1-8 As shown, this utility model provides a panel assembly 10, including a middle frame 100 and a panel 200. One side of the middle frame 100 is provided with an inner conical tooth hole 111. One end of the panel 200 is provided with a first connecting arm 210, and the other end of the panel 200 is provided with a second connecting arm 220. An outer bevel gear 300 is connected to the side of the second connecting arm 220 near the inner conical tooth hole 111. The outer bevel gear 300 is configured to move in a direction perpendicular to the second connecting arm 220 under the action of an external force. An elastic element 400 is provided between the outer bevel gear 300 and the second connecting arm 220. The first connecting arm 210 is inserted into and rotatably connected to the middle frame 100, and the outer bevel gear 300 is inserted into and meshes with the inner conical tooth hole 111.

[0037] The panel assembly 10 is configured such that: as the panel 200 switches from rotation to rest, the elastic element 400 switches from a second state to a first state, the elastic element 400 extends to drive the outer bevel gear 300 to fully engage with the inner bevel gear hole 111; as the panel 200 switches from rest to rotation, the elastic element 400 switches from the first state to the second state, the elastic element 400 is compressed, and the outer bevel gear 300 subsequently partially or completely disengages from the inner bevel gear hole 111.

[0038] Among them, the inner conical tooth hole 111 is a conical tooth structure set in the hole-like structure. Generally, a tooth groove is opened on the inner side wall of the hole-like structure to form a conical tooth structure.

[0039] The first connecting arm 210 and the second connecting arm 220 are symmetrically arranged at both ends of the panel 200 to connect the panel 200 and the middle frame 100. The first connecting arm 210 is inserted into and rotatably connected to the middle frame 100 to ensure that the panel 200 has a base that can rotate relative to the middle frame 100. The insertion of the first connecting arm 210 into the middle frame 100 can be achieved by either having an insertion part that inserts into the middle frame 100, or by having an insertion part that inserts into the first connecting arm 210.

[0040] The external bevel gear 300 is configured to move in a direction perpendicular to the second connecting arm 220 under the action of an external force. The direction perpendicular to the second connecting arm 220 is the same as the direction perpendicular to the side wall of the middle frame 100. Under the action of an external force, the external gear can move relative to the side wall of the middle frame 100 while connected to the second connecting arm 220, so as to adjust the distance between the external bevel gear 300 and the side wall of the middle frame 100, thereby adjusting the degree of meshing between the external bevel gear 300 and the inner bevel tooth hole 111.

[0041] In the state where the panel 200 is connected to the middle frame 100, the elastic element 400 is always in a compressed state so that it has the power to engage the external bevel gear 300 with the internal bevel gear hole 111 in the first state.

[0042] The elastic element 400 is disposed between the second connecting arm 220 and the external bevel gear 300. The rotation of the second connecting arm 220 can apply an external force to the elastic element 400 (such as the shear force applied to the elastic element 400 by the rotation of the second connecting arm 220, which will apply a part of the force that compresses the elastic element 400, thereby further compressing the elastic element 400 and switching from the first state to the second state).

[0043] Understandably, the panel assembly 10 rotatably connects one side of the panel 200 to the middle frame 100, and connects the other side of the panel 200 to the inner bevel gear hole 111 of the middle frame 100 via an external bevel gear 300. An elastic element 400 is provided between the external bevel gear 300 and the connecting arm of the panel 200, allowing the elasticity to switch between stationary and rotating states of the panel 200. This, in turn, changes the degree of meshing between the external bevel gear 300 and the inner bevel gear hole 111. As the panel 200 switches from rotating to stationary, the elastic element 400 changes from its second state. When switched to the first state, the elastic element 400 extends and drives the outer bevel gear 300 to fully mesh with the inner bevel gear hole 111, thereby allowing the panel 200 to be suspended at any position. As the panel 200 switches from stationary to rotating, the elastic element 400 switches from the first state to the second state. The elastic element 400 is compressed, and the outer bevel gear 300 is partially or completely disengaged from the inner bevel gear hole 111, so that the panel 200 can rotate and be suspended at will. That is, this utility model can ensure the flexible rotation of the panel 200 and also accommodate suspension at any position.

[0044] In some embodiments, the external bevel gear 300 includes a bevel gear portion 310 and a shaft portion 320. The large end face of the bevel gear portion 310 is provided with a countersunk platform 330. One end of the shaft portion 320 is connected to the countersunk platform 330. The shaft portion 320 is connected to the second connecting arm 220. An elastic member 400 is sleeved on the shaft portion 320 and one end abuts against the countersunk platform 330. The other end of the elastic member 400 abuts against the second connecting arm 220.

[0045] The bevel gear portion 310 and the shaft portion 320 are generally integrally formed. The two ends of the bevel gear portion 310 are the small end face end and the large end face end, respectively. That is, the end with the smaller width is the small end face end, which faces the middle frame 100, and the end with the larger width is the large end face end, which faces away from the middle frame 100.

[0046] A countersunk platform 330 is provided at the large end face, and the shaft body 320 is placed on the countersunk platform 330. At the same time, the elastic member 400 is sleeved on the shaft body 320, with one end abutting against the second connecting arm 220 and the other end abutting against the countersunk platform 330. When the second connecting arm 220 rotates, shear force is applied to the elastic member 400, thereby compressing the elastic member 400.

[0047] The recessed platform 330 is provided at the large end face to form a space for restricting the elastic element 400 in conjunction with the shaft body 320, so as to prevent the elastic element 400 from moving laterally under pressure and affecting the movement of the external bevel gear 300.

[0048] In some embodiments, the width of the recessed platform 330 is slightly larger than the width of the elastic member 400.

[0049] In some embodiments, the elastic element 400 is a spring.

[0050] In some embodiments, the second connecting arm 220 is provided with an elastic buckle 222 on the side near the middle frame 100, and the shaft part 320 is provided with a second connecting hole 321. The elastic buckle 222 is inserted into the second connecting hole 321 and locked to the second connecting hole 321. The shaft part 320 can move along the length direction of the elastic buckle 222 under the action of external force.

[0051] The elastic buckle 222 locks into the second connecting hole 321 after being inserted into it, ensuring that the external bevel gear 300 does not disengage from the second connecting arm 220 during movement. Simultaneously, the second connecting hole 321 and the elastic buckle 222 form a clearance fit in the axial direction, ensuring that the shaft portion 320 can move along the length of the elastic buckle 222 under external force, thereby allowing the external bevel gear 300 to move under external force.

[0052] In some embodiments, a blind hole 221 is provided on the side of the second connecting arm 220 near the middle frame 100, and an elastic buckle 222 is disposed in the blind hole 221.

[0053] Among them, a blind hole 221 is provided on the side of the second connecting arm 220 near the middle frame 100, which allows the shaft part 320 to have a longer movement distance when it moves along the length direction of the elastic buckle 222.

[0054] The width of the blind hole 221 is greater than the width of the shaft body 320.

[0055] In some embodiments, the second connecting hole 321 includes a first hole segment 3211 and a second hole segment 3212 connected in sequence. The first hole segment 3211 is located at the end of the second hole segment 3212 away from the countersunk platform 330, and the width of the first hole segment 3211 is smaller than the width of the second hole segment 3212.

[0056] The elastic buckle 222 has an unlocked state and a locked state that can be switched between each other. The elastic buckle 222 can switch from the locked state to the unlocked state under the action of external force, and switch from the unlocked state to the locked state after the external force is removed. When the elastic buckle 222 is in the unlocked state, the maximum width of the elastic buckle 222 is less than or equal to the width of the first hole segment 3211, so that one end of the elastic buckle 222 can extend into the first hole segment 3211 and enter the second hole segment 3212. When the elastic buckle 222 is in the locked state, the width of the end of the elastic buckle 222 away from the second connecting arm 220 is greater than the width of the first hole segment 3211, so that the elastic buckle 222 is locked in the second connecting hole 321.

[0057] It is understandable that by switching the elastic buckle 222 between the unlocked and locked states, the width of the elastic buckle 222 is controlled, allowing the elastic buckle 222 to pass through the first hole segment 3211 with a lower width in the unlocked state. After passing through the first hole segment 3211, the elastic buckle 222 automatically returns to the locked state without external force. The width of the end of the elastic buckle 222 away from the second connecting arm 220 is greater than the width of the first hole segment 3211, so that the elastic buckle 222 is restricted within the second hole segment 3212 and cannot pass through the first hole segment 3211 to disengage from the second connecting hole 321, thereby achieving a locked connection between the elastic buckle 222 and the second connecting hole 321.

[0058] In some embodiments, the elastic buckle 222 includes at least two spaced-apart and parallel connecting ribs 2221. One end of the connecting rib 2221 away from the second connecting arm 220 is provided with a limiting protrusion. The connecting ribs 2221 can be pressed together by external force to enter the unlocked state, forming an elastic buckle 222 with a width less than or equal to the width of the first hole segment 3211, so as to enter the first hole segment 3211. When the external force is removed, the connecting ribs 2221 are spaced apart from each other, so that the width of the structure formed by the at least two limiting protrusions is greater than the width of the first hole segment 3211, so that the elastic buckle 222 is locked in the second connecting hole 321.

[0059] Specifically, the elastic buckle 222 includes two relatively spaced and parallel connecting ribs 2221. When no external force is applied, the width of the structure formed by the two connecting ribs 2221 is less than or equal to the diameter of the first hole segment 3211, and the width of the structure formed by the limiting protrusion of the connecting rib 2221 is greater than the diameter of the first hole segment 3211. When the elastic buckle 222 is subjected to external force, the connecting ribs 2221 can be squeezed into contact with each other and enter the unlocked state. This is mainly because the limiting protrusions contact each other to form an elastic buckle 222 with a width less than or equal to the width of the first hole segment 3211, so as to pass through the first hole segment 3211. After passing through the first hole segment 3211, the external force applied to the connecting ribs 2221 by the first hole segment 3211 disappears, and the connecting ribs 2221 are spaced apart from each other so that the width of the structure formed by the limiting protrusion is greater than the width of the first hole segment 3211, so that the elastic buckle 222 is locked in the second connecting hole 321.

[0060] In some embodiments, the structure formed by the combination of multiple limiting protrusions of the elastic buckle 222 is a conical structure, so that the side of the limiting protrusion is an inclined surface, and the inclined surface can smoothly enter the first hole section 3211 of the elastic buckle 222.

[0061] In some embodiments, the panel assembly 10 further includes a first connecting portion 110, which is inserted into and locked to the middle frame 100, and an inner tapered tooth hole 111 is disposed on the first connecting portion 110.

[0062] Specifically, the middle frame 100 is provided with a mating hole 120, and a limiting rib 121 is provided on the mating hole 120. A boss 112 is provided on one side of the first connecting part 110, and a limiting groove 1121 is provided on the boss 112. When the boss 112 is inserted into the mating hole 120, the limiting rib 121 is inserted into the limiting groove 1121. The inner conical tooth hole 111 is provided on the side of the first connecting part 110 away from the boss 112.

[0063] Alternatively, the middle frame 100 is provided with a threaded hole, and the first connecting part 110 is provided with a stud on the side opposite to the inner tapered tooth hole 111. The stud is screwed into the threaded hole to realize the insertion and locking connection between the first connecting part 110 and the middle frame 100.

[0064] In some embodiments, a connecting shaft is provided on the first connecting arm 210, and a first connecting hole is provided on the side of the middle frame 100 that is connected to the first connecting arm 210. The connecting shaft is inserted into and rotatably connected to the first connecting hole.

[0065] In some embodiments, the present invention also provides an indoor unit, which includes the panel assembly 10 described above. Since the air conditioner includes the panel assembly 10, that is, includes some or all of the embodiments of the panel assembly 10, the air conditioner has the beneficial effects of some or all of the embodiments of the panel assembly 10, which will not be described in detail here.

[0066] In some embodiments, the present invention also provides an air conditioner that includes the above-described indoor unit. Since the air conditioner includes the above-described indoor unit, that is, includes some or all of the embodiments of the above-described panel assembly 10, the air conditioner has the beneficial effects of some or all of the embodiments of the above-described panel assembly 10, which will not be described in detail here.

[0067] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made based on the contents of the present utility model specification and drawings under the application concept of the present utility model, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. A panel assembly, characterized in that, include: The middle frame has an inner conical tooth hole on one side; A panel, one end of which is provided with a first connecting arm, and the other end of which is provided with a second connecting arm. An external bevel gear is connected to the side of the second connecting arm near the inner bevel tooth hole. The external bevel gear is configured to move in a direction perpendicular to the second connecting arm under the action of an external force. An elastic element is provided between the external bevel gear and the second connecting arm. The first connecting arm is inserted into and rotatably connected to the middle frame. The external bevel gear is inserted into and meshes with the inner bevel tooth hole. The panel assembly is configured such that: as the panel switches from rotation to rest, the elastic element switches from a second state to a first state, and the elastic element extends to drive the outer bevel gear to fully engage with the inner bevel gear hole; as the panel switches from rest to rotation, the elastic element switches from the first state to the second state, and the elastic element is compressed, thereby causing the outer bevel gear to partially or completely disengage from the inner bevel gear hole.

2. The panel assembly according to claim 1, characterized in that, The external bevel gear includes a bevel gear portion and a shaft portion. The large end face of the bevel gear portion is provided with a countersunk platform. One end of the shaft portion is connected to the countersunk platform. The shaft portion is connected to the second connecting arm. The elastic element is sleeved on the shaft portion and one end abuts against the countersunk platform. The other end of the elastic element abuts against the second connecting arm.

3. The panel assembly according to claim 2, characterized in that, The second connecting arm is provided with an elastic buckle on the side near the middle frame, and a second connecting hole is provided in the shaft body. The elastic buckle is inserted into the second connecting hole and locked to the second connecting hole. The shaft body can move along the length direction of the elastic buckle under the action of external force.

4. The panel assembly according to claim 3, characterized in that, The second connecting arm has a blind hole on the side near the middle frame, and the elastic buckle is disposed in the blind hole.

5. The panel assembly according to claim 3, characterized in that, The second connecting hole includes a first hole segment and a second hole segment connected in sequence. The first hole segment is located at the end of the second hole segment away from the recessed platform, and the width of the first hole segment is smaller than the width of the second hole segment. The elastic buckle has an unlocked state and a locked state that can be switched between each other. The elastic buckle can switch from the locked state to the unlocked state under the action of external force, and switch from the unlocked state to the locked state after the external force is removed. When the elastic buckle is in the unlocked state, the maximum width of the elastic buckle is less than or equal to the width of the first hole segment, so that one end of the elastic buckle can extend into the first hole segment and enter the second hole segment; When the elastic buckle is in the locked state, the width of the end of the elastic buckle away from the second connecting arm is greater than the width of the first hole segment, so that the elastic buckle is locked in the second connecting hole.

6. The panel assembly according to claim 5, characterized in that, The elastic buckle includes at least two connecting ribs spaced apart from each other and arranged in parallel. A limit protrusion is provided at the end of the connecting rib away from the second connecting arm. The connecting ribs can be squeezed by external force to contact each other and enter the unlocked state, forming an elastic buckle with a width less than or equal to the width of the first hole section, so as to enter the first hole section. When the external force is removed, the connecting ribs are spaced apart from each other, so that the width of the structure formed by at least two of the limiting protrusions is greater than the width of the first hole segment, so that the elastic buckle is locked in the second connecting hole.

7. The panel assembly according to claim 1, characterized in that, The panel assembly further includes a first connecting part, which is inserted into and locked to the middle frame, and the inner tapered tooth hole is disposed on the first connecting part.

8. The panel assembly according to claim 1, characterized in that, The first connecting arm is provided with a connecting shaft, and the side of the middle frame connected to the first connecting arm is provided with a first connecting hole. The connecting shaft is inserted into and rotatably connected to the first connecting hole.

9. An indoor unit, characterized in that, Includes the panel assembly as described in any one of claims 1-8.

10. An air conditioner, characterized in that, Including the indoor unit as described in claim 9.

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