CN218915353U

CN218915353U - Indoor unit of air conditioner and cabinet air conditioner

Info

Publication number: CN218915353U
Application number: CN202223437548.1U
Authority: CN
Inventors: 卢华侨; 潘龙腾; 陈红光; 张瀚中; 武文凯; 周兴勇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-25
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to an indoor unit of an air conditioner and a cabinet air conditioner, wherein the indoor unit comprises a complete machine framework, and the complete machine framework comprises a wind shield, a fixed plate and a base framework; the wind shield, the fixed plate and the base framework are respectively of sheet metal structures; the wind shield is arranged in the indoor machine shell and is respectively connected with the air inlet panel and the air duct component in the indoor machine shell; the wind shield is used for isolating cold and hot air between the evaporator and the front panel component in the indoor shell; the fixed plate is arranged in the indoor machine shell and is respectively connected with the air inlet panel and the evaporator so as to support the evaporator; the base framework is arranged in the indoor machine shell and positioned at the bottom of the evaporator and the air duct component so as to support the evaporator and the air duct component; the scheme provided by the utility model can effectively improve the stability of the parts in the whole indoor unit of the air conditioner, avoid the noise generated by larger shaking of the parts in the whole indoor unit, and improve the impact receiving capability of the whole indoor unit.

Description

Indoor unit of air conditioner and cabinet air conditioner

Technical Field

The utility model relates to the technical field of indoor units of air conditioners, in particular to an indoor unit of an air conditioner and a cabinet air conditioner.

Background

On the existing cabinet air conditioner, the skeleton of the whole indoor unit adopts injection molding pieces, and the general form is as follows: the evaporator component, the air duct component, the electrical box component and the front panel component are directly or indirectly arranged on the air inlet component based on the air inlet component, and the left, right, front and back forces and moments and part of the gravity are born through the two sides of the air inlet component; however, as the injection molding piece has certain elasticity, certain torsion moment can be generated when the inner piece shakes left and right, so that the air inlet panel is deformed to a certain extent, and the whole machine can shake greatly; in the structure, the evaporator part is suspended to the front panel part, screws are fixed on two sides of the air inlet panel, when the cabinet is tipped over, the front and back directions of the inner part of the cabinet are unsupported, larger displacement can occur, and the problem of fracture of the inner part assembly structure can occur when severe, so that the use stability and reliability of the cabinet air conditioner are seriously affected.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art, providing an air conditioner indoor unit and a cabinet air conditioner, and solving the problem of poor stability of the existing air conditioner indoor unit.

The utility model aims to design an indoor unit of an air conditioner, which comprises a whole machine framework, wherein the whole machine framework comprises a wind shield, a fixed plate and a base framework; the wind shield, the fixed plate and the base framework are respectively of sheet metal structures; the wind shield is arranged in the indoor machine shell and is respectively connected with the air inlet panel and the air duct component in the indoor machine shell; the wind shield is used for isolating cold and hot air between the evaporator and the front panel component in the indoor shell; the fixed plate is arranged in the indoor machine shell and is respectively connected with the air inlet panel and the evaporator so as to support the evaporator; the base skeleton is arranged in the indoor machine shell and is positioned at the bottom of the evaporator and the air duct component, so that the evaporator and the air duct component are supported.

In some embodiments, the indoor unit casing is of an annular structure, and the air duct component is arranged at an intermediate position in the indoor unit casing; the evaporator is of an arc structure and is arranged at one side in the indoor machine shell; the wind shield comprises a left wind shield and a right wind shield, wherein the left wind shield and the right wind shield are respectively arranged at the left end and the right end of the other side in the indoor machine shell, and form a wind cavity together with the evaporator and the wind channel component.

In some embodiments, the fixation plate includes a left fixation plate and a right fixation plate; the left fixing plate is arranged at the left side in the indoor machine shell, one end of the left fixing plate is connected with the air inlet panel, and the other end of the left fixing plate is connected with one end at the left side of the evaporator; the right fixed plate is arranged on the left side in the indoor machine shell, one end of the right fixed plate is connected with the air inlet panel, and one end of the right fixed plate is connected with one end on the right side of the evaporator.

In some embodiments, the base skeleton comprises a base front sheet metal and a base rear sheet metal; the front metal plate of the base is arranged at the bottom of the air duct component and supports the air duct component and the air inlet panel; the panel beating sets up in the bottom of evaporimeter behind the base to support the evaporimeter.

In some embodiments, the wind deflector is an arc-shaped panel structure, and the arc surface of the arc-shaped panel structure is provided with a reinforcing rib.

In some embodiments, the fixation plate is integrally formed by bending; one end of the fixing plate is connected with the air inlet panel through a screw, and the other end of the fixing plate is connected with the evaporator, so that the evaporator can be limited to tilt forwards or backwards.

In some embodiments, two sides of the front sheet metal are respectively bent to form a front sheet metal flanging, and one side of the front sheet metal is connected with one end of the air inlet panel through the front sheet metal flanging; the other side of the front sheet metal is connected with the other end of the air inlet panel through a front sheet metal flanging; the bending parts of the two sides of the front seat metal plate are provided with corner ribs.

In some embodiments, two sides of the rear metal plate of the base are respectively bent to form a rear metal plate flanging; the rear metal plate of the base is respectively butted with the two sides of the front metal plate of the base through the flanges of the rear metal plates at the two sides of the base, so that an integrated structure is formed; the transverse direction of panel beating behind the base and department of bending are equipped with the strengthening rib.

In some embodiments, the air intake panel is disposed on a side of the indoor unit housing, and the vent of the air intake panel faces the evaporator; the air duct component is arranged at the middle position in the indoor machine shell; the evaporator is positioned on one side of the air duct component and is arranged opposite to the air inlet panel.

The utility model also provides a cabinet air conditioner, which comprises an indoor unit, wherein the indoor unit is the air conditioner indoor unit.

The scheme provided by the utility model can effectively improve the stability of the parts in the whole indoor unit of the air conditioner and avoid noise caused by larger shaking of the parts in the whole indoor unit; meanwhile, the designed whole machine framework can increase stress points of inner parts of the indoor machine, so that the problem that the inner parts are broken due to the fact that the inner parts generate large moment is avoided, the problem that the inner parts are broken due to the fact that the traditional cabinet machine type falls is solved effectively, and the impact receiving capacity of the whole machine is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

fig. 1 is a schematic view of an indoor unit of a cabinet air conditioner according to an exemplary embodiment of the present utility model;

FIG. 2 is a schematic view of a sheet metal framework according to an exemplary embodiment of the present utility model;

FIG. 3 is a schematic view of a wind deflector according to an exemplary embodiment of the present utility model;

FIG. 4 is a schematic diagram II of a windshield structure, according to an exemplary embodiment of the present utility model;

fig. 5 is a schematic cross-sectional view of an indoor unit of an air conditioner according to an exemplary embodiment of the present utility model;

fig. 6 is a partial schematic view of a cross-section of an indoor unit of an air conditioner according to an exemplary embodiment of the present utility model;

FIG. 7 is a schematic view of a front base sheet metal to air intake panel connection according to an exemplary embodiment of the present utility model;

FIG. 8 is a schematic view of a front base sheet metal structure according to an exemplary embodiment of the utility model;

fig. 9 is a schematic view of a rear chassis sheet metal structure according to an exemplary embodiment of the present utility model.

In the figure: 1. an indoor unit casing; 2. a wind deflector; 21. a left wind deflector; 22. a right wind deflector; 23. reinforcing ribs; 3. a fixing plate; 31. a left fixing plate; 32. a right fixing plate; 4. a metal plate in front of the base; 41. the front metal plate is turned; 5. sheet metal is arranged behind the base; 51. the back metal plate is turned; 6. an air inlet panel; 7. an evaporator; 8. an air duct member; 9. a wind chamber; 10. and (5) a screw.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2 and 5, the present utility model provides an indoor unit of an air conditioner, the indoor unit includes a complete machine frame, the complete machine frame includes a wind deflector 2, a fixing plate 3 and a base frame; specifically, the wind shield, the fixed plate and the base framework are respectively of sheet metal structures, the sheet metal structures can increase stress points of components in the whole machine, large moment generated when the components in the whole machine fall is avoided, the problem that the components are broken due to large impact force generated when the indoor machine falls can be effectively solved, the stability of the whole machine is enhanced, and noise generated when the whole machine shakes is avoided; further, the wind deflector 2 is arranged in the indoor unit casing 1 and is respectively connected with the air inlet panel 6 and the air duct component 8 in the indoor unit casing 1; specifically, the wind shield is used for isolating cold and hot air between the evaporator 7 and the front panel component in the indoor unit shell 1, so that condensed water is prevented from being formed by convection of the cold and hot air, and the use safety of the electric elements of the whole indoor unit is ensured; further, the fixing plate 3 is disposed in the indoor unit casing 1 and is respectively connected with the air inlet panel 6 and the evaporator 7, so as to support the evaporator 7; further, the base frame is arranged in the indoor unit casing 1 and is positioned at the bottom of the evaporator 7 and the air duct component 8, so as to support the evaporator 7 and the air duct component 8; specifically, the base framework adopts a sheet metal structure design, can bear the gravity above the air duct component and transmit the gravity to the chassis component, can effectively solve the technical difficulties of complex structure, high cost, poor stress capability and the like of the base component, and the sheet metal structure of the base framework is used for connecting the inner component of the indoor unit with the air inlet panel to effectively correct the expansion deformation of the air inlet panel, so that the air inlet panel has a simplified structure, and solves the problems of complex structure, large deformation and the like of the air inlet panel; according to the indoor unit of the air conditioner, the whole machine framework adopts a sheet metal structure, and the sheet metal part is used as a framework to be connected with the air duct, the evaporator, the air inlet panel and other parts, so that the left-right and front-back shaking of the inner part of the indoor unit can be effectively controlled, the inner part is prevented from generating larger moment due to shaking, and the stability of the indoor unit structure of the air conditioner is improved.

Preferably, in combination with the above-described aspects, as shown in fig. 1 to 5, the indoor unit casing 1 has a ring-shaped structure, and the air duct member 8 is disposed at an intermediate position within the indoor unit casing 1; further, the evaporator 7 has an arc-shaped structure and is arranged at one side in the indoor unit casing 1; further, as shown in fig. 5, the wind guard includes a left wind guard 21 and a right wind guard 22, where the left wind guard 21 and the right wind guard 22 are respectively disposed at two ends of the other side in the indoor unit casing 1, and enclose a wind cavity 9 with the evaporator 7 and the wind channel component 8, and by adopting the above structural design, the wind channel component can obtain the maximum flow, so that the wind channel component 8 can obtain the maximum air volume under the condition of the structural size being determined; further, the wind shield and the air duct component 8 form an air cavity structure, so that cold air and hot air between the evaporator and the front panel component can be isolated, condensed water formed by convection between the cold air and the hot air is avoided, and the flow field of the air duct component is optimized; specifically, the left wind guard 21 and the right wind guard 22 are respectively used for isolating cold and hot air between the evaporator 7 and the front panel component in the indoor unit casing 1, specifically, the left wind guard 21 and the right wind guard 22 are fixed on the left side and the right side of the air duct component and the air inlet panel through screws, stress points of the air inlet component are increased, left and right and front and back shaking of the inner component can be effectively reduced under the same falling condition, and moment generated by the inner component of the indoor unit is reduced, so that the stability and reliability of the whole machine are improved; further, the sheet metal part of deep bead strengthens through strengthening rib and angle muscle in the middle of the design, improves the intensity of sheet metal part to left deep bead 21 and right deep bead 22 have tensile design effect to air inlet panel 6, reduce air inlet panel expansion deformation, increase the stress point between indoor set internals and the air inlet part, improve the stability of complete machine, reduce the production of complete machine noise reduction.

Preferably, in combination with the above, as shown in fig. 6, the fixing plates include a left fixing plate 31 and a right fixing plate 32; specifically, the left fixing plate 31 is disposed at the left side in the indoor unit casing 1, one end of the left fixing plate 31 is connected with the air inlet panel 6, and the other end of the left fixing plate 31 is connected with one end of the left side of the evaporator 7; correspondingly, a right fixing plate 32 is arranged at the left side in the indoor unit casing 1, one end of the right fixing plate 32 is connected with the air inlet panel 6, and one end of the right fixing plate 32 is connected with one end at the right side of the evaporator 7; by adopting the fixing plate connecting structure, the stress points of the inner parts of the indoor unit can be increased, and the reliability of the inner parts is improved.

Preferably, in combination with the above scheme, as shown in fig. 2 and 7 to 9, the base skeleton comprises a base front sheet metal 4 and a base rear sheet metal 5; wherein, the front sheet metal 4 of the base is arranged at the bottom of the air duct component 8 and supports the air duct component 8 and the air inlet panel 6; the base framework adopts a sheet metal structure, so that the bearing capacity of the base is improved, the structure of the base is simplified, and the production cost of the base framework is reduced; further, the base rear metal plate 5 is arranged at the bottom of the evaporator 7 and supports the evaporator 7; specifically, the front metal plate 4 of the base and the rear metal plate 5 of the base are used for connecting the front end of the inner part with the air inlet part, so that the stress points of the inner part of the indoor unit are increased, and the reliability of the inner part of the indoor unit is improved.

Preferably, in combination with the above-mentioned scheme, as shown in fig. 3 to 5, the wind deflector 2 is an arc-shaped panel structure, and the arc surface of the arc-shaped panel structure is provided with a reinforcing rib 23; specifically, the radian of the arc panel structure is designed according to the flow field simulation condition by selecting an optimal radian (as shown in fig. 3), so that the air duct component is ensured to obtain the maximum air quantity; specifically, the arc surfaces of the left wind shield 21 and the right wind shield 22 are provided with transverse and longitudinal reinforcing ribs (as shown in fig. 4), so that the deformation of the wind shield sheet metal part can be controlled, and the tensile, compressive and deformation resistance of the wind shield sheet metal part is enhanced, so that the wind shield sheet metal part can resist the torsion moment generated by the air duct part; when the whole cabinet air conditioner falls, the wind shield sheet metal part can pull the inner part, so that the impact force of the inner part is reduced, and structural fracture of the inner part of the indoor unit due to overlarge impact force is avoided; meanwhile, the left wind shield 21 and the right wind shield 22 can pull the air inlet panel 6 to prevent the air inlet panel 6 from expanding and deforming, and the left wind shield 21 and the right wind shield 22 serve as inner parts of the whole machine and are connected with the air inlet parts to strengthen ties, so that the stability and the reliability of the whole machine are enhanced.

Preferably, in combination with the above-described scheme, as shown in fig. 2 and 6, the fixing plate 3 is integrally formed by bending; specifically, one end of the fixing plate 3 is connected with the air inlet panel 6 through a screw, and the other end of the fixing plate 3 is connected with the evaporator 7, so that the evaporator 7 can be limited to tilt forwards or tilt backwards, larger moment is avoided, collision among inner parts is avoided, and safety among the inner parts is improved; specifically, the fixed plate sheet metal framework of the evaporator consists of a left fixed plate 31 and a right fixed plate 32, the left fixed plate 31 and the right fixed plate 32 are bent and formed, the front end of the fixed plate is connected with an air inlet panel, the rear end of the fixed plate is connected with the evaporator (shown in fig. 6) and is used for supporting the evaporator part, preventing the evaporator part from tilting forwards or backwards, simultaneously preventing the evaporator part from generating larger moment when shaking, avoiding collision among indoor units and improving the safety among the indoor units.

Preferably, in combination with the above scheme, as shown in fig. 5, the base skeleton is used for connecting the air duct component 8 with the chassis component, bearing the gravity of most parts above the air duct component 8, and the stress is increased, so that the structural strength requirement on the base skeleton is higher, the base skeleton adopts a sheet metal base skeleton, so that the loading capacity of the base component can be improved, the structure and the number of parts of the base component are simplified, and meanwhile, the left side and the right side of the sheet metal base skeleton are connected with the air inlet panel 6 (as shown in fig. 7), so that the stress deformation of the air inlet panel can be reduced, and the reliability of the base is improved; the metal plate 4 before the base and the metal plate after the base are combined into a base metal plate framework, the characteristics of high tensile strength, compression resistance, high toughness, good shock resistance and the like of the metal plate are utilized, the reliability and the stability of the base are improved, the structure of the base is simplified, the number of the base is reduced, and the cost of the whole machine is reduced.

Preferably, in combination with the above scheme, as shown in fig. 5 and 8, the base skeleton uses the front metal plate 4 of the base as a main stress member to bear most of the gravity above the air duct component 8 and the expansion forces of the air inlet panels at the left side and the right side; specifically, the two sides of the front seat metal plate 4 are respectively bent to form a front metal plate flanging 41, and one side of the front seat metal plate 4 is connected with one end screw 10 of the air inlet panel 6 through the front metal plate flanging 41; further, the other side of the front seat metal plate 4 is connected with the screw 10 at the other end of the air inlet panel 6 through the front metal plate flanging 41; further, the bending parts of the two sides of the front seat sheet metal part 4 are provided with corner ribs, so that the compression resistance, the tension resistance and the deformation resistance of the sheet metal part meet the design requirements, the bearing capacity of the front seat sheet metal part is improved, the front seat sheet metal part can bear the impact of the gravity of the whole machine when the whole machine falls, the stretching resistance of the front seat sheet metal part 4 is improved, and the bottom of the air inlet panel 6 can be simultaneously corrected through the front seat sheet metal part 4.

Preferably, in combination with the above scheme, as shown in fig. 5 and 9, two sides of the rear metal plate 5 of the base are respectively bent to form a rear metal plate flanging 51; specifically, the rear metal plate 5 of the base is respectively butted with the two sides of the front metal plate 4 of the base through the rear metal plate flanging 51 on the two sides of the rear metal plate, so that an integrated structure is formed; further, reinforcing ribs are arranged at the transverse direction and the bending position of the metal plate 5 behind the base; the metal plate 5 atress behind this base is mainly the partial gravity of evaporimeter 7, and its atress is comparatively simple, mainly strengthens its gravity direction, for preventing that the sheet metal component self warp behind the base, and improve the stability of whole base part.

Preferably, in combination with the above-described aspects, as shown in fig. 5 to 6, the air intake panel 6 is disposed on a side surface of the indoor unit casing 1, and the ventilation opening of the air intake panel 6 faces the evaporator 7, so that heat exchange of the indoor unit of the air conditioner is achieved; further, the air duct member 8 is provided at an intermediate position in the indoor unit casing 1, and has an air chamber 9 formed in the circumferential direction of the outside thereof; further, the evaporator 7 has an arc structure, is positioned on one side of the air duct component 8, and is arranged opposite to the air inlet panel 6, so that heat exchange is realized.

Correspondingly, in combination with the scheme, the utility model also provides a cabinet air conditioner which comprises an indoor unit, wherein the indoor unit is the air conditioner indoor unit.

It is further understood that the term "plurality" in this disclosure means two or more, and other adjectives are similar thereto. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It is further understood that the terms "first," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the expressions "first", "second", etc. may be used entirely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It will be further understood that although operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In certain circumstances, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the scope of the appended claims.

Claims

1. The indoor unit of the air conditioner is characterized by comprising a complete machine framework, wherein the complete machine framework comprises a wind shield (2), a fixed plate (3) and a base framework; the wind shield, the fixed plate and the base framework are respectively of sheet metal structures;

the wind shield (2) is arranged in the indoor unit shell (1) and is respectively connected with an air inlet panel (6) and an air duct component (8) in the indoor unit shell (1); the wind shield is used for isolating cold and hot air between the evaporator (7) and the front panel component in the indoor unit shell (1);

the fixing plate (3) is arranged in the indoor unit shell (1) and is respectively connected with the air inlet panel (6) and the evaporator (7), so that the evaporator (7) is supported;

the base framework is arranged in the indoor unit shell (1) and is positioned at the bottoms of the evaporator (7) and the air duct component (8), so that the evaporator (7) and the air duct component (8) are supported.

2. An indoor unit of an air conditioner according to claim 1, wherein the indoor unit casing (1) is of a ring-shaped structure, and the air duct member (8) is provided at an intermediate position within the indoor unit casing (1); the evaporator (7) is of an arc-shaped structure and is arranged on one side in the indoor unit shell (1); the wind shield comprises a left wind shield (21) and a right wind shield (22), wherein the left wind shield (21) and the right wind shield (22) are respectively arranged at the left end and the right end of the other side in the indoor unit shell (1), and an air cavity (9) is formed by surrounding the evaporator (7) and the air duct component (8).

3. An indoor unit of an air conditioner according to claim 1, wherein the fixing plates include a left fixing plate (31) and a right fixing plate (32); the left fixing plate (31) is arranged on the left side in the indoor unit shell (1), one end of the left fixing plate (31) is connected with the air inlet panel (6), and the other end of the left fixing plate (31) is connected with one end of the left side of the evaporator (7); the right fixing plate (32) is arranged on the left side in the indoor unit shell (1), one end of the right fixing plate (32) is connected with the air inlet panel (6), and one end of the right fixing plate (32) is connected with one end on the right side of the evaporator (7).

4. The indoor unit of claim 1, wherein the base skeleton comprises a base front sheet metal (4) and a base rear sheet metal (5); the front metal plate (4) of the base is arranged at the bottom of the air duct component (8) and supports the air duct component (8) and the air inlet panel (6); the metal plate (5) is arranged at the bottom of the evaporator (7) and supports the evaporator (7).

5. An indoor unit of an air conditioner according to claim 1, wherein the wind deflector (2) is an arc-shaped panel structure, and the arc surface of the arc-shaped panel structure is provided with a reinforcing rib (23).

6. An indoor unit of an air conditioner according to claim 1, wherein the fixing plate (3) is integrally formed by bending; one end of the fixing plate (3) is connected with the air inlet panel (6) through a screw, and the other end of the fixing plate (3) is connected with the evaporator (7), so that the evaporator (7) can be limited to tilt forwards or backwards.

7. The indoor unit of an air conditioner according to claim 4, wherein two sides of the front seat metal plate (4) are respectively bent to form a front metal plate flanging (41), and one side of the front seat metal plate (4) is connected with one end screw (10) of the air inlet panel (6) through the front metal plate flanging (41); the other side of the seat front metal plate (4) is connected with the screw (10) at the other end of the air inlet panel (6) through the front metal plate flanging (41); the bending parts of the two sides of the front seat metal plate (4) are provided with corner ribs.

8. The indoor unit of claim 7, wherein two sides of the base rear metal plate (5) are respectively bent to form rear metal plate flanges (51); the base rear metal plate (5) is respectively butted with the two sides of the base front metal plate (4) through rear metal plate flanging (51) at the two sides of the base rear metal plate so as to form an integrated structure; the transverse direction and the bending position of the metal plate (5) behind the base are provided with reinforcing ribs.

9. An indoor unit of an air conditioner according to claim 1, characterized in that the air intake panel (6) is provided on a side face of the indoor unit casing (1), and that a vent of the air intake panel (6) faces the evaporator (7); the air duct component (8) is arranged at the middle position in the indoor unit shell (1); the evaporator (7) is positioned on one side of the air duct component (8) and is arranged opposite to the air inlet panel (6).

10. A cabinet air conditioner comprising an indoor unit, wherein the indoor unit is an air conditioner indoor unit according to any one of claims 1 to 9.