Indoor unit and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, and discloses an indoor unit and an air conditioner. The indoor unit comprises a shell defining an air duct and provided with an air opening communicating with the air duct, and the shell is provided with a first connecting part; the cover plate covers the air opening, the cover plate is provided with a second connecting part, and the second connecting part is matched with the first connecting part so that the shell can be detachably connected with the cover plate; one of the first connecting part and the second connecting part is of an elastic structure. The elastic structure has high deformability, matching of the first connecting part and the second connecting part is facilitated, cooperation releasing of the first connecting part and the second connecting part is also facilitated, and time and labor can be saved during mounting and dismounting of the cover plate and the shell.

Description

TECHNICAL FIELD

[0001] The present application relates to the air conditioning technical field, and particularly relates to an indoor unit and an air conditioner. BACKGROUND

[0002] At present, after the air conditioner is produced on the production line, the air outlet of the indoor unit, such as the return air outlet and / or the air outlet, is in an open state. In this way, after the indoor unit is transported, dust will enter from the air outlet, so that the indoor unit will blow a large amount of dust and foreign matters when the user first starts the machine, thereby affecting the user experience.

[0003] Therefore, a related art discloses an air conditioner, which comprises a cover plate. The cover plate can be installed on any return air outlet to close the return air outlet.

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

[0005] In the related art, the cover plate can be installed at the return air outlet by a fastener connection mode, so that the installation and disassembly of the cover plate are time-consuming and laborious.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, the following is a simple summary. The summary is not a general review, nor is it intended to determine the key / important components or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide an indoor unit and an air conditioner to solve the problem of excessive condensation at the outlet of the air conditioner.

[0009] According to a first aspect of the embodiments of the present application, an indoor unit is provided, comprising: a shell defining an air duct and provided with an air outlet communicating with the air duct, the shell being provided with a first connecting portion; a cover plate provided at the air outlet, the cover plate being provided with a second connecting portion, the second connecting portion and the first connecting portion being matched to enable the shell and the cover plate to be detachably connected; and wherein one of the first connecting portion and the second connecting portion is an elastic structure.

[0010] Optionally, one of the first connecting portion and the second connecting portion comprises a clamping groove, and the other comprises an elastic buckle, the elastic buckle being inserted into the clamping groove to enable the shell and the cover plate to be clamped.

[0011] Optionally, the elastic buckle comprises: a first buckle segment; a second buckle segment, which is arranged opposite to the first buckle segment and has an elastic gap between the first buckle segment; and wherein the cover plate is arranged at the air inlet, the first buckle segment and the second buckle segment are inserted into the clamping groove.

[0012] Optionally, the elastic buckle comprises: a connecting portion, one end of the connecting portion is connected with the shell or the cover plate provided with the elastic buckle; and a buckle portion, which is connected to the other end of the connecting portion; and wherein the buckle portion penetrates out of the clamping groove and the size of the buckle portion is greater than the size of the clamping groove, so as to prevent the buckle portion from being pulled out of the clamping groove.

[0013] Optionally, a surface of the buckle portion away from the connecting portion is provided with a first installation guide slope, which is inclined towards the direction close to the axis of the elastic buckle along the direction of the elastic buckle inserted into the clamping groove; and / or a surface of the buckle portion towards the connecting portion is provided with a first disassembly guide slope, which is inclined towards the direction close to the axis of the elastic buckle along the direction of the elastic buckle pulled out of the clamping groove; and / or the difference between the maximum size of the cross section of the buckle portion and the maximum size of the cross section of the connecting portion is greater than or equal to 0.5mm; and / or the ratio of the height of the elastic buckle to the maximum size of the cross section of the buckle portion is greater than or equal to 2 and less than or equal to 10; and / or the clamping groove is a flanged hole, and the height of the flanged hole is greater than or equal to half of the diameter of the flanged hole.

[0014] Optionally, one of the first connecting portion and the second connecting portion comprises a mounting hole, and the other comprises a mounting column, the mounting column is inserted into the mounting hole, so as to connect the shell and the cover plate; and wherein the connecting portion of the first connecting portion is provided with a first elastic gap and / or the connecting portion of the second connecting portion is provided with a second elastic gap.

[0015] Optionally, a free end of the mounting column is provided with a second installation guide slope, which is inclined towards the direction close to the axis of the mounting column along the direction of the mounting column inserted into the mounting hole; and / or the free end of the mounting column is provided with a second disassembly guide slope, which is inclined towards the direction away from the axis of the mounting column along the direction of the mounting column pulled out of the mounting hole.

[0016] Optionally, one of the shell and the cover plate is provided with a positioning hole, and the other is provided with a positioning column, the positioning column is inserted into the positioning hole.

[0017] Optionally, the free end of the positioning column is provided with a third installation guide slope, which is inclined towards the direction close to the axis of the positioning column along the direction of inserting the positioning column into the positioning hole; and / or the free end of the positioning column is provided with a third disassembly guide slope, which is inclined towards the direction away from the axis of the positioning column along the direction of disengaging the positioning column from the positioning hole; and / or the ratio of the length of the positioning column to the diameter of the positioning column is greater than or equal to 1 and less than or equal to 10; and / or the diameter of the positioning column is greater than or equal to 1 mm and less than or equal to 3 mm; and / or the size of the positioning hole is greater than or equal to the size of the positioning column.

[0018] According to a second aspect of the embodiments of the present application, an air conditioner is provided, which comprises the indoor unit according to any one of the above embodiments.

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

[0020] During the transportation of the indoor unit, the first connecting part and the second connecting part cooperate to cover the air inlet with the cover plate, thereby closing the air inlet and preventing dust and foreign matters from entering the interior of the indoor unit through the air inlet, so that the air sent during the first start-up contains less dust and foreign matters, and the use experience of the user is improved.

[0021] One of the first connecting part and the second connecting part is an elastic structure, which has strong deformation capability, facilitating the cooperation and disengagement of the first connecting part and the second connecting part, so that the installation and disassembly of the cover plate and the shell are time-saving and labor-saving.

[0022] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0024] Figure 1 is a structural schematic diagram of an indoor unit provided by the embodiments of the present application;

[0025] Figure 2 is a structural schematic diagram of another indoor unit provided by the embodiments of the present application;

[0026] Figure 3 is a structural schematic diagram of a cover plate for an air return inlet provided by the embodiments of the present application;

[0027] Figure 4 is a structural schematic diagram of another cover plate for an air return inlet provided by the embodiments of the present application;

[0028] Figure 5 is Figure 4 is an enlarged structural schematic view of part A in FIG. 1;

[0029] Figure 6 is Figure 4 is an enlarged structural schematic view of part G in FIG. 1;

[0030] Figure 7 is a structural schematic view of a cover plate for an air outlet provided by an embodiment of the present disclosure;

[0031] Figure 8 is Figure 7 is an enlarged structural schematic view of part C in FIG. 1;

[0032] Figure 9 is a structural schematic view of another indoor unit provided by an embodiment of the present disclosure;

[0033] Figure 10 is Figure 9 is a sectional view along A-A in FIG. 1;

[0034] Figure 11 is Figure 10 is an enlarged structural schematic view of part E in FIG. 1;

[0035] Figure 12 is a sectional view along one direction of an indoor unit provided by an embodiment of the present disclosure;

[0036] Figure 13 is Figure 12 is an enlarged structural schematic view of part F in FIG. 1;

[0037] Figure 14 is a sectional view along another direction of an indoor unit provided by an embodiment of the present disclosure;

[0038] Figure 15 is Figure 14 is an enlarged structural schematic view of part M in FIG. 1;

[0039] Figure 16 is a sectional view along another direction of an indoor unit provided by an embodiment of the present disclosure;

[0040] Figure 17 is Figure 16 is an enlarged structural schematic view of part N in FIG. 1;

[0041] Figure 18 is a structural schematic view of an indoor unit with a cover plate at an air outlet removed provided by an embodiment of the present disclosure;

[0042] Figure 19 is a structural schematic view of an indoor unit with a cover plate at a return air inlet removed provided by an embodiment of the present disclosure;

[0043] Figure 20 is a structural schematic diagram of a partial cover plate for a return air inlet according to an embodiment of the present disclosure.

[0044] Reference signs:

[0045] 10: cover plate; 11: first side wall; 12: second side wall; 13: third side wall; 14: fourth side wall; 151: first connecting portion; 152: second connecting portion; 16: elastic buckle; 161: first buckle segment; 162: second buckle segment; 163: elastic gap; 164: connecting portion; 165: first sub-connecting portion; 166: second sub-connecting portion; 167: buckle portion; 168: first buckle portion; 169: second buckle portion; 171: first installation guide slope; 172: first disassembly guide slope;

[0046] 181: plate body; 182: first folded plate; 183: second folded plate; 184: third folded plate; 185: fourth folded plate; 186: mounting column; 1861: second installation guide slope; 1862: second disassembly guide slope; 1863: first connecting surface; 187: second elastic gap; 188: mounting plate; 189: mounting hole;

[0047] 191: positioning column; 1911: third installation guide slope; 1912: third disassembly guide slope; 1913: second connecting surface;

[0048] 20: housing; 201: return air inlet; 202: clamping groove; 2021: flange; 204: air outlet; 205: positioning hole;

[0049] 30: fan;

[0050] 40: evaporator. DETAILED DESCRIPTION

[0051] In order to enable a person skilled in the art to better understand the features and technical contents of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0052] The terms "first", "second", and the like in the description and claims of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "comprise" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0053] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0054] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0055] Unless otherwise specified, the term "a plurality of" means two or more.

[0056] In the embodiments of the present disclosure, the character " / " represents a "or" relationship between the preceding and following objects. For example, A / B represents: A or B.

[0057] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B, which means: A or B, or, A and B, three relationships.

[0058] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0059] In combination Figures 1-20 As shown, the embodiments of the present disclosure provide an indoor unit, which includes a shell 20 and a cover plate 10.

[0060] The shell 20 defines an air duct and is provided with an air opening in communication with the air duct, and the shell 20 is provided with a first connecting part 151. The air opening includes a return air opening and an air outlet. The indoor unit further includes a fan 30 and an evaporator 40, which are arranged in the air duct. Under the action of the fan, air enters the air duct through the return air opening, exchanges heat with the evaporator, and is blown out from the air outlet.

[0061] The cover plate 10 covers the air opening, and the cover plate 10 is provided with a second connecting part 152. The second connecting part 152 cooperates with the first connecting part 151 to enable the shell 20 and the cover plate 10 to be detachably connected. One of the first connecting part 151 and the second connecting part 152 is an elastic structure. Figure 8 、 Figure 13 、 Figure 20 As shown in the drawings, the second connecting part is an elastic structure.

[0062] The first connecting part 151 and the second connecting part 152 correspond to each other, so that the first connecting part 151 and the second connecting part 152 cooperate, and the first connecting part 151 and the second connecting part 152 are detachably connected, so that the cover plate 10 can be mounted on or detached from the shell 20. When the cover plate 10 is mounted on the shell 20, the cover plate 10 covers the air opening, which is closed, so as to prevent dust and foreign matter from entering the interior of the indoor unit from the air opening, thereby avoiding that a large amount of dust and foreign matter is contained in the air supply when the indoor unit is first started, and improving the user's experience.

[0063] The air opening can be the return air opening 201 or the air outlet 204. When the cover plate 10 covers the air outlet 204, the cover plate 10 seals the air outlet 204. When the cover plate 10 covers the return air opening 201, the cover plate 10 seals the return air opening 201.

[0064] One of the first connecting part 151 and the second connecting part 152 is an elastic structure. The elastic structure has strong deformation ability, which facilitates the cooperation of the first connecting part 151 and the second connecting part 152 and the disengagement of the first connecting part 151 and the second connecting part 152, so that the installation and disassembly of the cover plate 10 and the shell 20 can be time-saving and labor-saving.

[0065] Optionally, as shown in the drawings, Figures 3 to 5 、 Figure 13 One of the first connecting part 151 and the second connecting part 152 includes a clamping groove 202, and the other includes an elastic buckle 16. The elastic buckle 16 is inserted into the clamping groove 202, so that the shell 20 and the cover plate 10 are clamped.

[0066] As shown in the drawings, Figures 3 to 5 、 Figure 13As shown, the first connecting part 151 includes the clamping groove 202, and the second connecting part 152 includes the elastic buckle 16. The elastic buckle 16 is matched with the clamping groove 202, the first connecting part 151 is connected with the second connecting part 152, and the cover plate 10 is arranged on the shell 20. The elastic buckle 16 is clamped with the clamping groove 202, the cover plate 10 is limited, the displacement or misplacement of the cover plate 10 in the transportation process is prevented, and the connection between the shell 20 and the cover plate 10 is more stable. The elastic buckle 16 can be elastically deformed and has good deformation capacity, so that the elastic buckle 16 is clamped with the clamping groove 202 or separated from the clamping groove 202, and the installation and disassembly of the cover plate 10 are simplified.

[0067] The first connecting part 151 can include the elastic buckle 16, and the second connecting part 152 can include the clamping groove 202.

[0068] The clamping groove 202 can be provided with one or more, and the number of the elastic buckle 16 and the clamping groove 202 is equal and one-to-one corresponding.

[0069] As shown in the drawings, Figure 4 The cover plate 10 arranged on the air return port 201 is provided with the elastic buckle 16, and the shape and size of the cover plate 10 are matched with the shape and size of the air return port 201. The cover plate 10 includes the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14, and the cover plate 10 is substantially rectangular. The first side wall 11 and the second side wall 12 are arranged opposite to each other, the third side wall 13 is connected between one end of the first side wall 11 and one end of the second side wall 12, the fourth side wall 14 is connected between the other end of the first side wall 11 and the other end of the second side wall 12, and the third side wall 13 and the fourth side wall 14 are arranged opposite to each other.

[0070] The elastic buckle 16 is arranged at the middle of the first side wall 11 and / or the elastic buckle 16 is arranged at the middle of the second side wall 12.

[0071] Optionally, as shown in the drawings, Figure 5 The elastic buckle 16 includes the first buckle section 161 and the second buckle section 162. The second buckle section 162 is arranged opposite to the first buckle section 161 and has an elastic gap 163 between the first buckle section 161 and the second buckle section 162. When the cover plate 10 is arranged on the air port, the first buckle section 161 and the second buckle section 162 are inserted into the clamping groove 202.

[0072] The first clasp section 161 and the second clasp section 162 are provided with an elastic gap 163 therebetween. The elastic gap 163 is configured to allow the first clasp section 161 and the second clasp section 162 to elastically deform in a direction of approaching or moving away from the elastic gap 163. When the cover plate 10 is clamped with the shell 20, the first clasp section 161 and the second clasp section 162 move in a direction of approaching each other (a direction of approaching the elastic gap 163), so that the first clasp section 161 and the second clasp section 162 can extend into the clamping groove 202. After extending into the clamping groove 202, the first clasp section 161 and the second clasp section 162 move in a direction of moving away from each other (a direction of moving away from the elastic gap 163), so as to be clamped with the clamping groove 202 and prevent the first clasp section 161 and the second clasp section 162 from being pulled out of the clamping groove 202.

[0073] The clamping of the elastic clasp 16 with the clamping groove 202 can improve the assembly efficiency, reduce the assembly time, and enhance the structural stability between the cover plate 10 and the shell 20.

[0074] Optionally, as shown in Figure 5 The elastic clasp 16 includes a connecting portion 164 and a clasp portion 167. One end of the connecting portion is connected with the shell 20 or the cover plate 10 provided with the elastic clasp 16. That is, when the elastic clasp 16 is arranged on the shell 20, the one end of the connecting portion is connected with the shell 20. When the elastic clasp 16 is arranged on the cover plate 10, the one end of the connecting portion is connected with the cover plate 10. The clasp portion 167 is connected to the other end of the connecting portion.

[0075] The clasp portion 167 extends out of the clamping groove 202, and the size of the clasp portion 167 is greater than the size of the clamping groove 202, so as to prevent the clasp portion 167 from being pulled out of the clamping groove 202.

[0076] The first clasp section 161 includes a first clasp portion 168 and a first sub-connecting portion 165. One end of the first sub-connecting portion 165 is connected with the shell 20 or the cover plate 10 provided with the elastic clasp 16, and the other end of the first sub-connecting portion 165 is connected with the first clasp portion 168. The second clasp section 162 includes a second clasp portion 169 and a second sub-connecting portion 166. One end of the second sub-connecting portion 166 is connected with the shell 20 or the cover plate 10 provided with the elastic clasp 16, and the other end of the second sub-connecting portion 166 is connected with the second clasp portion 169. The clasp portion 167 includes the first clasp portion 168 and the second clasp portion 169, and the connecting portion includes the first sub-connecting portion 165 and the second sub-connecting portion 166.

[0077] When the cover plate 10 is covered on the air port, the connecting part is inserted into the clamping groove 202, the buckle part 167 passes through the clamping groove 202, and the buckle part 167 abuts against the wall surface of the cover plate 10 or the shell 20 away from the elastic buckle 16. The size of the buckle part 167 is greater than the size of the clamping groove 202, so as to limit the movement of the buckle part 167 towards the direction of being pulled out of the clamping groove 202.

[0078] As shown in Figure 4 , the elastic buckle 16 is arranged on the cover plate 10, and the buckle part 167 abuts against the wall surface of the clamping groove 202 away from the cover plate 10, so as to prevent the buckle part 167 from being pulled out of the clamping groove 202.

[0079] The size of the connecting part is less than or equal to the size of the clamping groove 202, so that the connecting part can be smoothly inserted into the clamping groove 202, for example, the connecting part is in clearance fit with the clamping groove 202; the size of the buckle part 167 is greater than the size of the clamping groove 202, so as to prevent the buckle part 167 from being pulled out of the clamping groove 202.

[0080] Optionally, the surface of the buckle part 167 away from the connecting part is provided with a first installation guide inclined surface 171, which is inclined towards the direction close to the axis of the elastic buckle 16 along the direction of inserting the elastic buckle 16 into the clamping groove 202.

[0081] When the elastic buckle 16 is inserted into the clamping groove 202, the first installation guide inclined surface 171 has a guiding effect, which can guide the elastic buckle 16 to be inserted into the clamping groove 202, reduce the installation difficulty of the elastic buckle 16, and thus improve the installation efficiency.

[0082] The surface of the buckle part 167 towards the connecting part is provided with a first dismounting guide inclined surface 172, which is inclined towards the direction close to the axis of the elastic buckle 16 along the direction of pulling the elastic buckle 16 out of the clamping groove 202.

[0083] When the elastic buckle 16 is pulled out of the clamping groove 202, the first dismounting guide inclined surface 172 has a guiding effect, which can guide the elastic buckle 16 to be pulled out of the clamping groove 202, reduce the dismounting difficulty of the elastic buckle 16, and thus improve the dismounting efficiency.

[0084] As shown in Figure 20 , the inclination angle a of the first dismounting guide inclined surface 172 is greater than or equal to 5°, so as to ensure that the first dismounting guide inclined surface 172 has a guiding effect when the cover plate 10 is dismounted.

[0085] As shown in Figure 20 , the difference between the maximum size D2 of the cross section of the buckle part 167 and the maximum size D3 of the cross section of the connecting part is greater than or equal to 0.5 mm, so that the buckle part 167 forms a mushroom head structure, the size of the buckle part 167 is greater than the size of the clamping groove 202, and the buckle part 167 is prevented from being pulled out of the clamping groove 202.

[0086] As shown in Figure 20 , the cross section of the clamping portion 167 is a circle (a first circle) after the elastic gap 163 is removed, and the cross section of the connecting portion is a circle (a second circle) after the elastic gap 163 is removed. At this time, the maximum size of the cross section of the clamping portion 167 is the diameter of the first circle, and the maximum size of the cross section of the connecting portion is the diameter of the second circle.

[0087] The ratio of the height H1 of the elastic clamping portion 16 to the maximum size D2 of the cross section of the clamping portion 167 is greater than or equal to 2 and less than or equal to 10, for example, the ratio is 2, 4, 6, 8 or 10.

[0088] If the ratio of the height of the elastic clamping portion 16 to the maximum size of the cross section of the clamping portion 167 is less than 2, the maximum size of the cross section of the clamping portion 167 is too large, making it difficult for the clamping portion 167 to be clamped with the clamping groove 202. If the ratio of the height of the elastic clamping portion 16 to the maximum size of the cross section of the clamping portion 167 is greater than 10, the elastic clamping portion 16 is too long, making the depth of the clamping groove 202 larger, resulting in waste of raw materials.

[0089] As shown in Figure 13 , the clamping groove 202 is a flanged hole, and the height H2 of the flanged hole is greater than or equal to half of the diameter D3 of the flanged hole.

[0090] The clamping groove 202 is a flanged hole, which can enhance the strength of the clamping groove 202. The height of the flanged hole is greater than or equal to half of the diameter of the flanged hole, and the groove wall of the clamping groove 202 protrudes to form a flange 2021 away from the side of the cover plate 10 or the shell 20 where the elastic clamping portion 16 is located, thereby increasing the depth of the clamping groove 202. The clamping portion 167 can abut against the surface of the flange 2021 away from the cover plate 10 or the shell 20 where the elastic clamping portion 16 is located, thereby preventing the elastic clamping portion 16 from being pulled out of the clamping groove 202.

[0091] The height of the flanged hole is greater than or equal to half of the diameter of the flanged hole to meet the length and structural strength requirements of the connecting portion.

[0092] Optionally, as shown in Figure 7 and Figure 8 , one of the first connecting portion 151 and the second connecting portion 152 includes a mounting hole 189, and the other includes a mounting column 186, the mounting column 186 is inserted into the mounting hole 189 to connect the shell 20 and the cover plate 10; wherein the first connecting portion 151 is provided with a first elastic gap and / or the second connecting portion 152 is provided with a second elastic gap 187 at the connection with the cover plate 10.

[0093] As shown in Figure 7 and Figure 8As shown, in the case that the first connecting part 151 comprises the mounting hole 189 and the second connecting part 152 comprises the mounting column 186, the mounting column 186 is inserted into the mounting hole 189, the first connecting part 151 and the second connecting part 152 are inserted, and the shell 20 and the cover plate 10 are inserted. The insertion of the mounting column 186 and the mounting hole 189 can limit the cover plate 10, prevent displacement or misplacement of the cover plate 10 during transportation, and make the connection of the shell 20 and the cover plate 10 more stable.

[0094] The first connecting part 151 can comprise the mounting column 186, and the second connecting part 152 can comprise the mounting hole 189.

[0095] A first elastic gap is arranged at the connection between the first connecting part 151 and the shell 20, which can enhance the deformation ability of the first connecting part 151 and facilitate the insertion or removal of the mounting column 186 into or out of the mounting hole 189. The number of the first elastic gap is one or more. When the number is more than one, the first elastic gaps are respectively arranged on the opposite sides of the first connecting part 151.

[0096] A second elastic gap 187 is arranged at the connection between the second connecting part 152 and the cover plate 10, which can enhance the deformation ability of the second connecting part 152 and facilitate the insertion or removal of the mounting column 186 into or out of the mounting hole 189. The number of the second elastic gap 187 is one or more. When the number is more than one, the second elastic gaps 187 are respectively arranged on the opposite sides of the second connecting part 152.

[0097] The number of the mounting column 186 is one or more, and the number of the mounting hole 189 is equal to the number of the mounting column 186 and corresponds to the mounting column 186 one by one.

[0098] As shown, Figure 7As shown, the cover plate 10 covering the air outlet 204 is provided with mounting posts 186. The cover plate 10 includes a plate body 181, a first folding plate 182, a second folding plate 183, a third folding plate 184, and a fourth folding plate 185. The first folding plate 182, the second folding plate 183, the third folding plate 184, and the fourth folding plate 185 are located on the outer edge of the plate body 181 and on the same side of the plate body 181. The connections between the first folding plate 182, the second folding plate 183, the third folding plate 184, and the fourth folding plate 185 and the plate body 181 all form angles. The plate body 181 is approximately rectangular, with the first folding plate 182 and the second folding plate 183 facing each other, and the third folding plate 184 and the fourth folding plate 185 facing each other. Mounting posts 186 are provided at the first folding plate 182 and the second folding plate 183. A second elastic gap 187 is provided at the connection between the mounting post 186 and the first folding plate 182. The second elastic gap 187 passes through the free end of the first folding plate 182 to further enhance the deformation capacity of the mounting post 186. A second elastic gap 187 is provided at the connection between the mounting post 186 and the second folding plate 183. The second elastic gap 187 passes through the free end of the second folding plate 183 to further enhance the deformation capacity of the mounting post 186.

[0099] The first folding plate 182 and the second folding plate 183 each have two second elastic gaps 187, located on opposite sides of the mounting post 186, forming a mounting plate 188 at the location of the mounting post 186. When installing the cover plate 10, the mounting plate 188 can be held and pressed towards the mounting hole 189 to assemble the mounting post 186 with the mounting hole 189; when removing the cover plate 10, the mounting plate 188 can be held and pried away from the mounting hole 189 to separate the mounting post 186 from the mounting hole 189.

[0100] The mounting plate 188 has a handle at one end opposite to the plate body 181 for easy gripping by the operator.

[0101] Optionally, such as Figure 8 As shown, the free end of the mounting post 186 is provided with a second mounting guide slope 1861, which is inclined toward the direction close to the axis of the mounting post 186 along the direction in which the mounting post 186 is inserted into the mounting hole 189; and / or the free end of the mounting post 186 is provided with a second disassembly guide slope 1862, which is inclined toward the direction away from the axis of the mounting post 186 along the direction in which the mounting post 186 is removed from the mounting hole 189.

[0102] The second installation guide slope 1861 has a guiding effect when the installation column 186 is inserted into the installation hole 189, guiding the installation column 186 to be smoothly inserted into the installation hole 189; the second disassembly guide slope 1862 has a guiding effect when the installation column 186 is pulled out of the installation hole 189, guiding the installation column 186 to be smoothly pulled out of the installation hole 189.

[0103] The second installation guide slope 1861 and the second disassembly guide slope 1862 are oppositely arranged, and the second installation guide slope 1861 is close to the free end of the installation plate 188, and the second disassembly guide slope 1862 is close to the plate body 181. A first connecting surface 1863 is arranged between the second installation guide slope 1861 and the second disassembly guide slope 1862, and the first connecting surface 1863 can be a planar structure.

[0104] Optionally, as shown in Figure 15 and Figure 17 One of the shell 20 and the cover plate 10 is provided with a positioning hole 205, and the other is provided with a positioning column 191, and the positioning column 191 is inserted into the positioning hole 205.

[0105] In the case that the shell 20 is provided with the positioning hole 205 and the cover plate 10 is provided with the positioning column 191, the positioning column 191 is inserted into the positioning hole 205, so that the shell 20 and the cover plate 10 are connected. The positioning column 191 cooperates with the positioning hole 205 to further limit the cover plate 10 relative to the shell 20, preventing the cover plate 10 from being displaced or misaligned during transportation. This connection method is simple and easy to operate, simplifying the installation and disassembly of the cover plate 10, without the need for screwing, high production efficiency, and simplified installation process.

[0106] The positioning column 191 can also be arranged on the shell 20, and the positioning hole 205 can be arranged on the cover plate 10.

[0107] The positioning column 191 is inserted into the positioning hole 205 or extends out of the positioning hole 205, the positioning column 191 is in a column shape, the positioning columns 191 are uniformly distributed on the cover plate 10 and are matched with the positioning hole 205, the number of the positioning hole 205 is one or more, and the number of the positioning column 191 is equal to that of the positioning hole 205 and corresponds to the positioning hole 205 one by one.

[0108] As shown in Figure 3 , Figure 4 and Figure 7 The third side wall 13 and the fourth side wall 14 are provided with the positioning column 191, and the third folding edge and the fourth folding edge are provided with the positioning column 191.

[0109] Optionally, the free end of the positioning column 191 is provided with a third installation guide slope 1911, which is inclined towards the direction close to the axis of the positioning column 191 in the direction of the positioning column 191 being inserted into the positioning hole 205.

[0110] The third installation guide slope 1911 has a guiding effect when the positioning column 191 is inserted into the positioning hole 205, guiding the positioning column 191 to be smoothly inserted into the positioning hole 205.

[0111] The free end of the positioning column 191 is provided with a third disassembly guide slope 1912, which is inclined away from the axis of the positioning column 191 in the direction of the positioning column 191 being pulled out of the positioning hole 205.

[0112] The third disassembly guide slope 1912 has a guiding effect when the positioning column 191 is pulled out of the positioning hole 205, guiding the positioning column 191 to be smoothly pulled out of the positioning hole 205.

[0113] As shown in Figure 6 and Figure 15 , the third installation guide slope 1911 and the third disassembly guide slope 1912 are oppositely arranged, and a second connecting surface 1913 is arranged between the third installation guide slope 1911 and the third disassembly guide slope 1912. The second connecting surface 1913 can be a planar structure.

[0114] The third installation guide slope 1911 and the third disassembly guide slope 1912 have a radial dimension C of the positioning column 191, C is greater than 0 and less than the radius of the positioning column 191, so as to ensure the existence of the second connecting surface 1913 and avoid damage to the shell 20 by the free end of the positioning column 191 during the disassembly or installation of the cover plate 10.

[0115] As shown in Figure 15 , the ratio of the length L1 of the positioning column 191 to the diameter D1 of the positioning column 191 is greater than or equal to 1 and less than or equal to 10; for example, 1, 3, 5, 7, or 10, etc.

[0116] If the ratio of the length of the positioning column 191 to the diameter of the positioning column 191 is less than 1, the length of the positioning column 191 is short, the part of the positioning column 191 in the positioning hole 205 is short, and the cooperation between the positioning column 191 and the positioning hole 205 is not firm; if the ratio of the length of the positioning column 191 to the diameter of the positioning column 191 is greater than 10, the diameter of the positioning column 191 is small, and the strength of the positioning column 191 is insufficient.

[0117] The diameter D1 of the positioning column 191 is greater than or equal to 1 mm and less than or equal to 3 mm; for example, 1 mm, 2 mm, 3 mm, etc. It can not only avoid excessive use of materials for the positioning column 191, but also meet the strength requirements of the positioning column 191.

[0118] The size of the positioning hole 205 is greater than the size of the positioning column 191, so that the positioning column 191 is more smoothly inserted into the positioning hole 205, which is conducive to the installation and disassembly of the cover plate 10 and the shell 20.

[0119] According to a second aspect of the embodiments of the present application, an air conditioner is provided, which comprises the indoor unit according to any one of the above embodiments.

[0120] The air conditioner according to the second aspect of the embodiments of the present application comprises the indoor unit according to any one of the above embodiments, and thus has all the beneficial effects of the indoor unit volute assembly according to any one of the above embodiments, which will not be repeated here.

[0121] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments are merely representative of the possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Portions and features of some embodiments can be included in, or alternate portions and features from other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the claims appended hereto.

Claims

1. An indoor unit, characterized by, The indoor unit comprises: a shell defining an air duct and provided with an air outlet communicating with the air duct, the shell being provided with a first connecting portion; a cover plate provided with a second connecting portion, the second connecting portion and the first connecting portion being matched to detachably connect the shell and the cover plate; wherein one of the first connecting portion and the second connecting portion is an elastic structure.

2. The indoor unit according to claim 1, wherein one of the first connecting portion and the second connecting portion comprises a clamping groove, and the other comprises an elastic clasp inserted into the clamping groove to clamp the shell and the cover plate.

3. The indoor unit of claim 2, characterized in that, The elastic clasp comprises: a first clasp section; a second clasp section oppositely arranged with the first clasp section and having an elastic gap with the first clasp section; wherein when the cover plate is provided at the air outlet, the first clasp section and the second clasp section are both inserted into the clamping groove.

4. The indoor unit of claim 2, characterized in that, The elastic clasp comprises: a connecting portion, one end of the connecting portion being connected with the shell or the cover plate provided with the elastic clasp; a clasp portion connected at the other end of the connecting portion; wherein the clasp portion penetrates out of the clamping groove and the size of the clasp portion is greater than the size of the clamping groove to prevent the clasp portion from being pulled out of the clamping groove.

5. The indoor unit according to claim 4, wherein a surface of the clasp portion away from the connecting portion is provided with a first installation guide slope, along a direction in which the elastic clasp is inserted into the clamping groove, the first installation guide slope is inclined toward a direction close to an axis of the elastic clasp; and / or a surface of the clasp portion toward the connecting portion is provided with a first disassembly guide slope, along a direction in which the elastic clasp is pulled out of the clamping groove, the first disassembly guide slope is inclined toward a direction close to the axis of the elastic clasp; and / or a difference between a maximum size of a cross section of the clasp portion and a maximum size of a cross section of the connecting portion is greater than or equal to 0.5 mm; and / or a ratio of a height of the elastic clasp to the maximum size of the cross section of the clasp portion is greater than or equal to 2 and less than or equal to 10; and / or the clamping groove is a flange hole, and a height of the flange hole is greater than or equal to half of a diameter of the flange hole.

6. The indoor unit according to claim 1, wherein one of the first connecting portion and the second connecting portion comprises a mounting hole, and the other comprises a mounting column inserted into the mounting hole to insert the shell and the cover plate; and wherein a connection between the first connecting portion and the shell is provided with a first elastic gap and / or a connection between the second connecting portion and the cover plate is provided with a second elastic gap.

7. The indoor unit according to claim 6, wherein a free end of the mounting column is provided with a second installation guide slope, along a direction in which the mounting column is inserted into the mounting hole, the second installation guide slope is inclined toward a direction close to an axis of the mounting column; and / or the free end of the mounting column is provided with a second disassembly guide slope, along a direction in which the mounting column is pulled out of the mounting hole, the second disassembly guide slope is inclined toward a direction away from the axis of the mounting column.

8. The indoor unit according to any one of claims 1 to 7, wherein one of the shell and the cover plate is provided with a positioning hole, and the other is provided with a positioning column inserted into the positioning hole.

9. The indoor unit according to claim 8, wherein a free end of the positioning column is provided with a third installation guide slope, along a direction in which the positioning column is inserted into the positioning hole, the third installation guide slope is inclined toward a direction close to an axis of the positioning column; and / or The free end of the positioning column is provided with a third disassembly guide inclined surface, which is inclined towards a direction away from the axis of the positioning column in the direction of the positioning column being pulled out of the positioning hole; and / or The ratio of the length of the positioning column to the diameter of the positioning column is greater than or equal to 1 and less than or equal to 10; and / or The diameter of the positioning column is greater than or equal to 1 mm and less than or equal to 3 mm; and / or The size of the positioning hole is greater than or equal to the size of the positioning column.

10. An air conditioner characterized by comprising: The application further provides a room air conditioner comprising the indoor unit. The application further provides a room air conditioner comprising the indoor unit.

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