CN219389895U - Indoor unit of air conditioner - Google Patents

Abstract

The utility model discloses an indoor unit of an air conditioner, which comprises: chassis, back box and front panel, back box is located the top of chassis, and with chassis fixed connection, the front panel is located the top of chassis, and the cooperation is in the front side of back box, the bottom of front panel with the chassis passes through fastener fixed connection. According to the air conditioner indoor unit provided by the embodiment of the utility model, the front panel and the chassis are fixedly connected through the fastener, so that the front panel and the chassis can be fixedly connected, the gap between the front panel and the chassis is reduced, the probability of ash inlet and water inlet is reduced, the front panel is reliable to install and is not easy to fall out after being impacted by stress and the like, and the structural stability of the air conditioner indoor unit is better.

Description

Indoor unit of air conditioner

Technical Field

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

Background

In the cabinet air conditioner in the related art, the rear box body is fixed on the chassis, the front panel is fixed on the rear box body, the gap between the front panel and the chassis is large, water and ash are easy to enter, the front panel is not firm in fixation, and after being impacted by stress and the like, the front panel is easy to fall out, and the structural stability is required to be improved.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims to provide an air conditioner indoor unit, which can reduce the gap between the front panel and the chassis and improve the installation stability and reliability of the front panel.

According to an embodiment of the utility model, an indoor unit of an air conditioner comprises: a chassis; the rear box body is arranged above the chassis and is fixedly connected with the chassis; and the front panel is arranged above the chassis and matched with the front side of the rear box body, and the bottom of the front panel is fixedly connected with the chassis through a fastener.

According to the air conditioner indoor unit provided by the embodiment of the utility model, the front panel and the chassis are fixedly connected through the fastener, so that the front panel and the chassis can be fixedly connected, the gap between the front panel and the chassis is reduced, the probability of ash inlet and water inlet is reduced, the front panel is reliable to install and is not easy to fall out after being impacted by stress and the like, and the structural stability of the air conditioner indoor unit is better.

In some embodiments, the chassis has a first recess formed therein with an open top, the bottom of the front panel has a first insert portion extending downwardly into the first recess, and the fastener includes a first fastener connecting the first insert portion with the chassis.

In some embodiments, the first fastener is a first screw having a shank extending transversely through a slot sidewall of the first recess from outside the chassis and threadably connected to the first insert.

In some embodiments, a long-strip-shaped avoidance hole extending along the vertical direction in the length direction is formed on the groove side wall of the first groove, and the rod portion of the first screw penetrates through the avoidance hole.

In some embodiments, an installation groove with an open top is formed on the chassis, a partition plate is arranged in the installation groove, a part of the installation groove, which is positioned on the inner side of the partition plate, is formed into the first groove, a part of the installation groove, which is positioned on the outer side of the partition plate, is formed into the second groove, a avoidance gap is formed on the peripheral wall surface of the chassis at a position corresponding to the second groove, and the head of the first screw is positioned in the second groove.

In some embodiments, a shield is mounted in the second recess, the shield shielding the head of the first screw.

In some embodiments, the peripheral wall surface of the chassis includes a stop portion located below the relief notch, and the shield includes a stop portion that stops inside the stop portion.

In some embodiments, the shield has a projection that extends into the relief notch, and an outer surface of the projection is flush with an outer surface of the stop.

In some embodiments, a side of the shielding member facing the partition plate is formed with a limit groove, the side of the limit groove facing the partition plate is open or the side facing the partition plate and the top side are open, and the head of the first screw extends into the limit groove and is located above the bottom wall of the limit groove to stop the shielding member from moving upwards.

In some embodiments, the first grooves are located at the front part of the chassis and are arranged in a plurality of spaced-apart manner along the left-right direction, and the first insertion parts are arranged in one-to-one correspondence with the first grooves.

In some embodiments, the chassis is provided with a third groove with an open top, the third groove is positioned at the left side and the right side of the chassis, the bottom of the front panel is provided with a second insertion part which downwards extends into the third groove, and the second insertion parts are arranged in one-to-one correspondence with the third grooves.

In some embodiments, the fastener includes a second fastener connecting the second insert with the chassis.

In some embodiments, the fan component and the heat exchange component of the indoor unit of the air conditioner are both located between the front panel and the rear box, and the fan component and the heat exchange component are both installed on the rear box, an air inlet is formed in the rear box, an air outlet is formed in the front panel, and an air guide component located at the air outlet is installed on the front panel.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a perspective view of an indoor unit of an air conditioner according to an embodiment of the present utility model;

fig. 2 is an exploded view of a part of the construction of the indoor unit of the air conditioner shown in fig. 1;

fig. 3 is a partial enlarged view of the indoor unit of the air conditioner shown in fig. 2;

fig. 4 is a partial enlarged view of the a portion shown in fig. 3;

FIG. 5 is a partial front view of the front panel shown in FIG. 1;

FIG. 6 is a partial rear view of the front panel shown in FIG. 1;

FIG. 7 is a partial top view of the chassis shown in FIG. 1;

fig. 8 is a sectional view taken along line B-B shown in fig. 7.

Reference numerals:

an air conditioner indoor unit 100;

a chassis 1; a mounting groove 11; a first groove 111; a second groove 112; a partition 113;

a relief hole 12; avoidance gap 13; a stopper 14; a third groove 15;

a rear case 2; an air inlet 20;

a front panel 3; an air outlet 30; a first insertion portion 31; a threaded hole 32; a second insertion portion 33;

a fastener 4; a first screw 41;

a shutter 5; a limit part 51; a projection 52; a limit groove 53;

and an air guiding assembly 6.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

Hereinafter, an air conditioner indoor unit 100 according to an embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the air conditioner indoor unit 100 may include: chassis 1, back box 2 and front panel 3, the top on chassis 1 is located to back box 2, back box 2 and chassis 1 fixed connection, and chassis 1's top is located to front panel 3, and front panel 3 cooperation is in the front side of back box 2, and front panel 3 is located the front side of back box 2 promptly, and front panel 3 and back box 2 cooperation, and fastener 4 fixed connection is passed through with chassis 1 to the bottom of front panel 3. The specific configuration of the "fastener 4" described in the present utility model is not limited, and may include, for example, a screw, a bolt, a rivet, and the like.

In the present utility model, the air conditioner indoor unit 100 is an indoor cabinet. For example, in some embodiments, the rear case 2 may be provided with an air inlet 20, the front panel 3 may be provided with an air outlet 30, the front panel 3 and the rear case 2 define a mounting space together, and a heat exchange component, a fan component, an electric control component, etc. may be disposed in the mounting space, and when the fan component works, indoor air may be introduced from the air inlet 20, and after the air is conditioned by the heat exchange component, the air is sent out from the air outlet 30, thereby playing a role of temperature regulation. Of course, the present utility model is not limited to this, the air outlets 30 are not limited to be disposed on the front panel 3, and the air inlets 20 are not limited to be disposed on the rear case 2, for example, in some embodiments of the present utility model, some air outlets 30 may be disposed on the rear case 2, or some air outlets 30 may be disposed on the front panel 3.

In the cabinet air conditioner in the related art, the rear box body is fixed on the chassis, the front panel is fixed on the rear box body, only the limiting fit exists between the front panel and the chassis, the front panel and the chassis are not in fastening connection, the gap between the front panel and the chassis is large, water and ash are easy to enter, the front panel is not firm in fixation, and after being impacted by stress and the like, the front panel is easy to fall out, so that the structural stability is affected.

According to the indoor unit 100 of the air conditioner in the embodiment of the utility model, the bottom of the front panel 3 is fixedly connected with the chassis 1 through the fastener 4, so that the front panel 3 and the chassis 1 can be firmly connected, the gap between the front panel 3 and the chassis 1 is reduced, the probability of ash inlet and water inlet is reduced, the front panel 3 is reliably installed, and the indoor unit 100 of the air conditioner is not easy to fall out after being impacted by stress and the like, and has better structural stability.

In some embodiments, as shown in fig. 3-6, the chassis 1 is formed with a first recess 111 with an open top, the bottom of the front panel 3 has a first insertion portion 31, the first insertion portion 31 extends downward into the first recess 111, and the fastener 4 includes a first fastener connecting the first insertion portion 31 with the chassis 1.

Therefore, the first inserting portion 31 and the first groove 111 can be matched to achieve pre-positioning, then the first fastening piece is used for connecting the first inserting portion 31 and the chassis 1, and fastening connection requirements of the front panel 3 and the chassis 1 can be met, so that on one hand, assembly difficulty can be reduced, on the other hand, the structure can be simplified, and processing and assembly are facilitated.

In some embodiments, as shown in fig. 3 and 4, the first fastener is a first screw 41, and a shaft portion of the first screw 41 extends from outside the chassis 1 laterally through a groove sidewall of the first groove 111, and is screwed to the first insertion portion 31. Therefore, the first screw 41 can be conveniently connected with the chassis 1 and the first insertion part 31, the fastening difficulty of the first screw 41 is reduced, the assembly space can be saved, the structure of the chassis 1 can be compact and small, the length of the rod part of the first screw 41 can be longer, and the connection reliability is better. It should be noted that "transverse" as used herein is understood in a broad sense, and may be a horizontal direction or an oblique direction having an angle of less than 45 ° with respect to the horizontal direction.

Of course, the present utility model is not limited thereto, and for example, in other embodiments of the present utility model, the fastener 4 may further include a second screw, the first insertion portion 31 includes a leg portion supported on the bottom wall of the first groove 111, and the second screw may vertically penetrate the leg portion of the first insertion portion 31 and the bottom wall of the first groove 111 from top to bottom, etc., and will not be described herein. It should be noted that "vertical" as used herein is understood in a broad sense, and may be a vertical direction or an oblique direction having an angle smaller than 45 ° with respect to the vertical direction.

It will be appreciated that the groove side wall of the first groove 111 is provided with the escape hole 12, the first insertion portion 31 is provided with the threaded hole 32, and the shaft portion of the first screw 41 passes through the escape hole 12 and is connected with the threaded hole 32, i.e. the shaft portion of the first screw 41 passes through the escape hole 12 from the outer side to the inner side of the chassis 1 and is screwed into the threaded hole 32.

In some embodiments, as shown in fig. 4, 7 and 8, the avoidance hole 12 is formed into a long strip extending vertically along the length direction, and the rod portion of the first screw 41 penetrates through the avoidance hole 12, so that the position of the first screw 41 in the vertical direction relative to the chassis 1 is adjustable, the processing precision of the chassis 1 and the front panel 3 is reduced, the connection difficulty of the first screw 41 is reduced, the influence of thermal expansion and cold contraction on the shape of the front panel 3 or the chassis 1 can be reduced, the problem that the connection position of the first screw 41 is cracked and the like is caused, and the structural reliability is improved.

In some embodiments, as shown in fig. 4, the air conditioner indoor unit 100 further includes a shielding member 5, and the shielding member 5 is assembled to the chassis 1 and shields the fastening member 4. Therefore, the shielding piece 5 can play a role of protecting the fastening piece 4, and the problems of fastening connection failure and the like caused by corrosion or collision of the fastening piece 4 are avoided, so that the reliability and stability of fastening connection of the chassis 1 and the front panel 3 are ensured.

The manner of assembling the shield 5 and the chassis 1 is not limited, as long as the shield 5 can be reliably attached to the chassis 1. The material of the shielding member 5 is not limited, and may be, for example, a metal member or a non-metal member, a rigid material member or an elastic material member, or the like.

For example, in some embodiments, the shielding member 5 may be a rubber member, so as to have a better protection performance. And the interference fit with the chassis 1 can be realized by utilizing the elasticity of the shielding element, so that the assembly difficulty of the shielding element 5 and the chassis 1 is reduced, and the connection stability of the shielding element 5 and the chassis 1 can be improved.

In some embodiments, as shown in fig. 4 and 7, an installation groove 11 with an open top is formed on the chassis 1, a partition 113 is provided in the installation groove 11, a portion of the installation groove 11 located on the inner side of the partition 113 is formed as a first groove 111, a portion of the installation groove 11 located on the outer side of the partition 113 is formed as a second groove 112, a relief notch 13 is formed on the peripheral wall surface of the chassis 1 at a position corresponding to the second groove 112, and the head of the first screw 41 is located in the second groove 112.

It will be appreciated that in this embodiment, the relief holes 12 may be machined into the baffle 113, with the relief holes 12 extending through the baffle 113. During assembly, the rod part of the first screw 41 sequentially passes through the avoidance notch 13, the second groove 112 and the avoidance hole 12, and the head part of the first screw 41 is left in the second groove 112. Thereby, by providing the second groove 112 to accommodate the head of the first screw 41, the head of the first screw 41 is prevented from protruding outside the chassis 1, thereby reducing the problems of failure of fastening connection and the like caused by corrosion or collision of the head of the first screw 41, and ensuring the reliability and stability of fastening connection of the chassis 1 and the front panel 3.

In some embodiments, as shown in fig. 4, a shielding member 5 may be assembled in the second groove 112, and the shielding member 5 shields the head of the first screw 41, so that the shielding member 5 may be used to protect the first screw 41, and avoid the problem that the fastening connection is invalid due to corrosion or collision of the first screw 41, thereby ensuring the reliability and stability of the fastening connection between the chassis 1 and the front panel 3.

In some embodiments, as shown in fig. 4, the peripheral wall surface of the chassis 1 includes a stopper portion 14 located below the escape notch 13, and the shutter 5 includes a stopper portion 51 stopped inside the stopper portion 14. Thereby, the probability of the shutter 5 coming out of the second groove 112 can be reduced by the stopper action of the stopper portion 14 against the stopper portion 51, thereby improving the protection reliability of the shutter 5 against the first screw 41.

In some embodiments, as shown in fig. 4, the shield 5 has a protrusion 52, the protrusion 52 extending into the relief notch 13 and over the stop 14, the outer surface of the protrusion 52 being flush with the outer surface of the stop 14. Therefore, as the shielding piece 5 is provided with the protruding part 52 which just fills the avoidance gap 13, the problem that the peripheral wall surface of the chassis 1 forms a concave or protruding step at the avoidance gap 13 is avoided, the flatness of the outer surface of the chassis 1 can be improved, and the problems that dust is accumulated at the position due to uneven surfaces are avoided.

In some embodiments, as shown in fig. 4, a limiting groove 53 is formed on a side of the shielding member 5 facing the partition plate 113, and a side of the limiting groove 53 facing the partition plate 113 is opened, or a side and a top side of the limiting groove 53 facing the partition plate 113 are opened, and a head portion of the first screw 41 extends into the limiting groove 53 and is located above a bottom wall of the limiting groove 53 to stop the shielding member 5 from moving upward. Thus, the probability of the shield 5 coming out of the second groove 112 can be reduced by the cooperation of the first screw 41 and the limiting groove 53, thereby improving the protection reliability of the shield 5 for the first screw 41.

In some embodiments, as shown in fig. 2 and 3, the first grooves 111 are provided in the front of the chassis 1 in a plurality of spaced apart positions in the left-right direction, and the first insertion portions 31 are provided in one-to-one correspondence with the first grooves 111. Thus, since the front panel 3 and the rear case 2 have a fitting relationship, the chassis 1 and the front panel 3 are fastened to each other at the front position where the front panel 3 and the rear case 2 cannot be fitted, and the stability and reliability of the fastening connection between the chassis 1 and the front panel 3 can be improved. It will be appreciated that when the first recess 111 is located at the front of the chassis 1, "the shaft portion of the first screw 41 extends laterally from the outside of the chassis 1 through the groove sidewall of the first recess 111" may be: the shaft portion of the first screw 41 may pass through the front sidewall of the first groove 111 from front to rear.

Of course, the present utility model is not limited thereto, for example, in other embodiments of the present utility model, the first recess 111 may be plural and located at the left and right sides of the chassis 1, and in this case, "the shaft portion of the first screw 41 laterally penetrates the groove sidewall of the first recess 111 from the outside of the chassis 1" may be: the shank of the third screw passes through the left side wall of the first recess 111 from left to right or through the right side wall of the first recess 111 from right to left.

In some embodiments, as shown in fig. 2 and 3, the chassis 1 has a third groove 15 with an open top, the third groove 15 is located at the left and right sides of the chassis 1, the bottom of the front panel 3 has a second insertion portion 33, the second insertion portion 33 extends downward into the third groove 15, and the second insertion portions 33 are disposed in one-to-one correspondence with the third groove 15. Thereby, the stability of the relative position of the chassis 1 and the front panel 3 can be improved on the left and right sides, and the pre-positioning of the chassis 1 and the front panel 3 is facilitated.

In some alternative examples, the fastener 4 may further include a second fastener that connects the second insertion portion 33 with the chassis 1, whereby the fastening connection of the front panel 3 with the chassis 1 may be made from both left and right sides of the chassis 1.

It should be noted that the second fastener may be, for example, in some specific examples, a third screw, and a shaft portion of the third screw extends from the outside of the chassis 1 transversely through a groove sidewall of the third groove 15, and is screwed to the second insertion portion 33, for example, the shaft portion of the third screw may extend from left to right through a left sidewall of the third groove 15, or from right to left through a right sidewall of the third groove 15. Therefore, the third screw can be conveniently connected with the chassis 1 and the second insertion part 33, the fastening difficulty of the third screw is reduced, the assembly space can be saved, and the structure of the chassis 1 can be compact and small.

Of course, the present utility model is not limited thereto, and for example, in other embodiments of the present utility model, the fastener 4 may further include a fourth screw, the second insertion portion 33 includes a leg portion supported on the bottom wall of the third groove 15, and the fourth screw may vertically penetrate the leg portion of the second insertion portion 33 and the bottom wall of the third groove 15 from top to bottom, etc., and will not be described herein.

Furthermore, it should be noted that when the fastener 4 includes the second fastener, the first fastener may be included at the same time or may not be included.

In some embodiments, the fan component and the heat exchange component are both installed on the rear case 2, and the front panel 3 may further be provided with the air guide component 6 located at the air outlet 30, so that modular installation may be achieved, for example, the fan component and the heat exchange component may be installed on the rear case 2 to obtain a main body component, and meanwhile, the air guide component 6 and the front panel 3 may be preassembled into a panel component, and then the rear case 2 is installed on the chassis 1, and then the panel component is placed on the chassis 1, so that the front panel 3 is matched with the rear case 2, and meanwhile, the front panel 3 and the chassis 1 are connected by using the fastener 4, so that the assembly efficiency may be improved.

Of course, the panel member is not limited to this, and for example, a door opening and closing assembly for opening and closing the air outlet 30 may be provided on the front panel 3, and the like, which will not be described herein. In addition, the indoor unit 100 of the air conditioner may have other components, such as a fresh air component, a humidifying component, etc., in addition to the above components, which will not be described herein.

Next, an air conditioner indoor unit 100 according to an embodiment of the present utility model will be described.

The indoor unit 100 of the air conditioner includes a chassis 1, a front panel 3, a rear case 2, a first screw 41, a shutter 5, a blower part, a heat exchange part, and an air guide assembly 6. The chassis 1 top is all located to front panel 3 and back box 2, and front panel 3 cooperates with back box 2, and fan part and heat transfer part all locate between front panel 3 and the back box 2, and fan part and heat transfer part all install on back box 2, are formed with air intake 20 on the back box 2, are formed with air outlet 30 on the front panel 3, and air guide assembly 6 installs the air outlet 30 department on front panel 3.

The front part of the chassis 1 is provided with two mounting grooves 11 which are arranged left and right at intervals, each mounting groove 11 is internally provided with a baffle plate 113, each baffle plate 113 is provided with a strip-shaped avoiding hole 12 which extends vertically, the baffle plates 113 divide the mounting grooves 11 into a first groove 111 positioned at the rear side of the baffle plates 113 and a second groove 112 positioned at the front side of the baffle plates 113, the left side and the right side of the chassis 1 are respectively provided with a third groove 15, and the front surface of the chassis 1 corresponds to the position of the second groove 112 to form a avoiding gap 13.

The front bottom of the front panel 3 has two first insertion portions 31 disposed at a left-right interval, each first insertion portion 31 is provided with a screw hole 32, and the bottoms of the left and right sides of the front panel 3 have second insertion portions extending downward.

During assembly, the fan component and the heat exchange component can be firstly installed on the rear box body 2 to obtain the main body component, meanwhile, the air guide component 6 and the front panel 3 are firstly preassembled into the panel component, then the rear box body 2 is installed on the chassis 1, and then the panel component is placed on the chassis 1, so that the front panel 3 is matched with the rear box body 2, and the front panel 3 is matched and connected with the chassis 1.

When the front panel 3 is in fit connection with the chassis 1, the front panel 3 is pressed downwards, so that the first inserting portion 31 is inserted into the first groove 111 downwards, the second inserting portion 33 is inserted into the third groove 15 downwards, then two first screws 41 are respectively inserted into two avoidance holes 12 from front to back, then are connected to the threaded holes 32 on the two first inserting portions 31 in a threaded mode, and then the shielding piece 5 is respectively installed in the two second grooves 112 to fill the avoidance gaps 13.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. An indoor unit of an air conditioner, comprising:

a chassis;

the rear box body is arranged above the chassis and is fixedly connected with the chassis; and

the front panel is arranged above the chassis and matched with the front side of the rear box body, and the bottom of the front panel is fixedly connected with the chassis through a fastener.

2. The indoor unit of claim 1, wherein the chassis has a first recess formed therein with an open top, the bottom of the front panel has a first insertion portion extending downward into the first recess, and the fastener includes a first fastener connecting the first insertion portion and the chassis.

3. The indoor unit of claim 2, wherein the first fastener is a first screw having a shaft portion extending laterally from outside the base plate through a slot sidewall of the first recess and threadedly coupled to the first insert portion.

4. The indoor unit of claim 3, wherein the first groove has a groove sidewall formed with a long-shaped escape hole extending vertically in a longitudinal direction, and the shaft of the first screw penetrates the escape hole.

5. The indoor unit of claim 3, wherein the chassis is formed with an installation groove with an open top, a partition plate is disposed in the installation groove, a portion of the installation groove located at the inner side of the partition plate is formed into the first groove, a portion of the installation groove located at the outer side of the partition plate is formed into a second groove, an avoidance gap is formed on a peripheral wall surface of the chassis at a position corresponding to the second groove, and a head portion of the first screw is located in the second groove.

6. The indoor unit of claim 5, wherein the second recess is fitted with a shield that shields the head of the first screw.

7. The indoor unit of claim 6, wherein the peripheral wall of the chassis includes a stopper portion located below the escape notch, and the shielding member includes a stopper portion stopped inside the stopper portion.

8. The indoor unit of claim 7, wherein the shielding member has a protrusion extending into the escape recess and having an outer surface flush with an outer surface of the stopper.

9. The indoor unit of claim 6, wherein a side of the shielding member facing the partition plate is formed with a limit groove, the limit groove is opened toward the side of the partition plate or opened toward one side and a top side of the partition plate, and a head portion of the first screw is inserted into the limit groove and positioned above a bottom wall of the limit groove to stop the shielding member from moving upward.

10. The indoor unit of any of claims 2-9, wherein the first recess is located at a front portion of the chassis and is provided in a plurality of spaced apart positions in a left-right direction, and the first insertion portions are provided in one-to-one correspondence with the first recesses.

11. The indoor unit of claim 1, wherein the chassis has a third groove with an open top, the third groove is located at left and right sides of the chassis, the bottom of the front panel has a second insertion portion extending downward into the third groove, and the second insertion portion is disposed in one-to-one correspondence with the third groove.

12. The indoor unit of claim 11, wherein the fastener comprises a second fastener connecting the second insert and the chassis.

13. The indoor unit of claim 1, wherein the fan and heat exchange components of the indoor unit are located between the front panel and the rear case, and the fan and heat exchange components are mounted on the rear case, the rear case is formed with an air inlet, the front panel is formed with an air outlet, and the front panel is mounted with an air guide assembly located at the air outlet.