CN104748344A - Air conditioner indoor unit shell and air conditioner indoor unit provided with same - Google Patents

Abstract

The invention discloses an air conditioner indoor unit shell and an air conditioner indoor unit provided with the same. The air conditioner indoor unit shell comprises an upper chassis, a lower chassis and a guiding assembly, wherein the lower chassis is detachably mounted on the upper chassis; the guiding assembly is used for guiding the lower chassis when the lower chassis is mount or demount. According to the air conditioner indoor unit shell, the lower chassis can be quite easily mounted on the upper chassis, so the problem that as the mounting mode of a lower chassis is incorrect, an upper chassis or the lower chassis is damaged is reduced or avoided, and the assembly yield of the air conditioner indoor unit and the air conditioner indoor unit shell is improved.

Description

Shell of air conditioner indoor unit and air conditioner indoor unit having same

technical field

The present invention relates to the field of home appliances, in particular to a casing of an air conditioner indoor unit and an air conditioner indoor unit having the casing

Background technique

The shell of the air conditioner indoor unit in the related art is composed of a chassis, a face frame mounted on the chassis and a panel mounted on the face frame, the heat exchanger and the fan are installed on the chassis and the fan wheel is located inside of the device. After the surface frame is disassembled, the wind rotor cannot be disassembled due to the constraints of the heat exchanger and the chassis. The heat exchanger needs to be disassembled before disassembling the wind rotor. Professionals disassemble and clean the wind wheel, and the use cost is relatively high.

Contents of the invention

The present invention aims to solve one of the above-mentioned technical problems in the prior art at least to a certain extent. Therefore, an object of the present invention is to provide a casing of an indoor unit of an air conditioner, and the lower chassis is easy to disassemble.

The housing of the indoor unit of an air conditioner according to an embodiment of the present invention includes: an upper chassis; a lower chassis, on which the lower chassis is detachably mounted; Guidance assembly for chassis guidance.

According to the housing of the indoor unit of the air conditioner in the embodiment of the present invention, the lower chassis can be easily installed on the upper chassis, thereby avoiding or reducing the problem of damage to the upper chassis or the lower chassis caused by incorrect installation of the lower chassis, and improving The yield rate of air conditioner indoor unit and its casing assembly has been improved.

In addition, the housing of the indoor unit of the air conditioner according to the above-mentioned embodiments of the present invention may also have the following additional technical features:

According to an embodiment of the present invention, the guide assembly includes: a guide groove provided on the upper chassis; a guide rail matched with the guide groove provided on the lower chassis.

According to an embodiment of the present invention, the guide groove extends upward from the bottom of the upper chassis, the bottom end of the guide groove is open, and at least one of the dimensions of the guide groove along the left-right direction and the dimension along the front-rear direction A shape that decreases in size from bottom to top.

According to an embodiment of the present invention, the guide rail has a shape that gradually decreases in size from bottom to top and is adapted to the shape of the guide groove.

According to an embodiment of the present invention, at least one of the top wall, the bottom wall and the side wall of the guide groove is provided with ribs, and the ribs extend inward from the opening of the guide groove.

According to an embodiment of the present invention, a limiting protrusion is provided in the guide groove, a limiting groove is provided on the guide rail, and the limiting protrusion fits in the limiting groove.

According to an embodiment of the present invention, the limiting protrusion is arranged on the bottom wall of the guide groove and is adjacent to the upper end of the guide groove, and the limiting groove is arranged on the rear surface of the guide rail and is adjacent to The upper end of the guide rail is set.

According to an embodiment of the present invention, there are two guide grooves and they are respectively arranged at the left end and the right end of the upper chassis, the two guide grooves are respectively provided with the limiting protrusions, and the guide rails are two and are respectively arranged at the left end and the right end of the lower chassis, the two guide rails are respectively provided with the limit grooves, and the two guide rails are respectively slidably fitted in the two guide grooves, and the two The position-limiting protrusions are fitted in the two position-limiting grooves respectively.

According to an embodiment of the present invention, the upper chassis is provided with a connecting groove, and the lower chassis is provided with a connecting protrusion, and the connecting protrusion fits in the connecting groove.

According to an embodiment of the present invention, an elastic arm is arranged on the upper chassis, and the connecting groove is arranged on the elastic arm.

According to an embodiment of the present invention, the ribs on both sides of the connecting groove of the elastic arm are arranged in a staggered manner.

According to an embodiment of the present invention, the elastic arm extends in the downward direction, and the connecting groove on the elastic arm extends in the upward and downward direction, and the first rib of the elastic arm located behind the connecting groove The inner side of the elastic arm protrudes inwardly from the inner side of the second rib located in front of the connecting groove.

According to an embodiment of the present invention, the connecting groove is arranged at the right end of the upper chassis and the connecting protrusion is arranged at the right end of the lower chassis.

According to an embodiment of the present invention, the connection groove is disposed in the guide groove and the connection groove is adjacent to the lower end of the upper chassis.

According to an embodiment of the present invention, the lower chassis is further mounted on the upper chassis by threaded fasteners.

According to an embodiment of the present invention, the upper chassis is provided with an air intake grill.

The present invention also discloses an indoor unit of an air conditioner, comprising: a casing, which is the casing of the indoor unit of an air conditioner according to the foregoing embodiments of the present invention; and a mask, which is detachably installed on the upper chassis on; a heat exchanger, the heat exchanger is installed on the upper chassis; a fan, the fan is detachably installed on the lower chassis.

According to an embodiment of the present invention, the mask is pivotally mounted on the upper chassis.

According to an embodiment of the present invention, the mask defines a cover cavity, and the upper chassis and the lower chassis are arranged in the cover cavity by the mask.

According to an embodiment of the present invention, the mask includes: a front panel, the front panel covers the front surfaces of the upper chassis and the lower chassis; a lower panel, the upper edge of the lower panel and the lower edge of the front panel connected, the lower panel covers the lower surface of the lower chassis; the left panel, the front edge of the left panel is connected to the left edge of the front panel and the lower edge is connected to the left edge of the lower panel, The left side panel covers the left side of the upper chassis; the right side panel, the front edge of the right panel is connected to the right edge of the front panel and the lower edge is connected to the right edge of the lower panel, The right side panel covers the right side of the upper chassis.

According to an embodiment of the present invention, the connection between the front panel and the lower panel has a circular arc transition.

Description of drawings

Fig. 1 is an exploded schematic view of the housing of an indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a partially enlarged schematic diagram of circled A in FIG. 1 .

Fig. 3 is a schematic view of the lower casing of the casing of the indoor unit of the air conditioner according to an embodiment of the present invention.

FIG. 4 is a partially enlarged schematic diagram of circled B in FIG. 3 .

Fig. 5 is a left side view of Fig. 3 .

Fig. 6 is a right side view of Fig. 3 .

Fig. 7 is a schematic diagram of the cooperation between the guide rail and the guide groove of the housing of the indoor unit of the air conditioner according to an embodiment of the present invention.

Fig. 8 is an exploded schematic diagram of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of an upper chassis of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 10 is a schematic diagram of a mask of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 11 is a schematic diagram of a fan of an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 12 is a schematic view of the upper chassis of the housing of the indoor unit of the air conditioner according to one embodiment of the present invention.

FIG. 13 is a partially enlarged schematic diagram of circled C in FIG. 12 .

Fig. 14 is a schematic view in another direction of the upper chassis of the housing of the indoor unit of the air conditioner according to an embodiment of the present invention.

FIG. 15 is a partially enlarged schematic diagram of circled D in FIG. 14 .

Reference signs: air conditioner indoor unit 100, casing 1, air inlet 101, air outlet 103, cover cavity 104, wind deflector 105, upper chassis 11, rear baffle 111, upper cover 112, left end plate 113, right end plate 114, left cover plate 115, right cover plate 116, intake grille 118, lower chassis 12, mask 13, front panel 131, lower panel 132, left side panel 133, right side panel 134, guide assembly 14, guide groove 141, rib 1411, guide rail 142, limit projection 151, limit groove 152, connection groove 153, connection projection 154, elastic arm 155, reinforcement rib 1551, heat exchanger 2, water cover 21, fan 3, Wind wheel 31, motor 32. The first rib position is 1551, the second rib position is 1552

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

Referring to FIG. 1 to FIG. 7 , the housing 1 of the indoor unit of the air conditioner according to the embodiment of the present invention includes: an upper chassis 11 , a lower chassis 12 , and a guide assembly 14 .

Specifically, the lower chassis 12 is detachably installed on the upper chassis 11 . The guide assembly 14 is used for guiding the lower chassis 12 when installing and removing the lower chassis 12 . That is to say, when the lower chassis 12 is installed on the upper chassis 11, the lower chassis 12 will move to the position where the lower chassis 12 is installed on the upper chassis 11 along the direction guided by the guide assembly 14; When detached from the upper chassis 11 , the lower chassis 12 will move along the direction guided by the guide assembly 14 to the position where the lower chassis 12 is detached from the upper chassis 11 .

According to the shell 1 of the indoor unit of the air conditioner in the embodiment of the present invention, by setting the guide assembly 14, the lower chassis 12 can have a clear guide during the installation and removal process, so that the installation and removal of the lower chassis 12 is easy, and the improvement is improved. In addition, due to the guiding function of the guide assembly 14, the lower chassis 12 can be easily installed on the upper chassis 11, thereby avoiding or reducing the installation method of the lower chassis 12. The problem of damage to the upper chassis 11 or the lower chassis 12 due to incorrectness improves the yield rate of the air conditioner indoor unit and its shell assembly.

Referring to FIGS. 1-7 , in some embodiments of the present invention, the guide assembly 14 includes: guide slots 141 and guide rails 142 . The guide groove 141 is disposed on the upper chassis 11 . The guide rail 142 cooperates with the guide groove 141 , and the guide rail 142 is arranged on the lower chassis 12 . Through the cooperation of the guide rail 142 and the guide groove 141, the installation direction of the lower chassis 12 can be guided conveniently, and the installation efficiency of the lower chassis 12 can be improved.

Further, referring to FIG. 7 , the guide groove 141 extends upward from the bottom of the upper chassis 11, the bottom of the guide groove 141 is open, and at least one of the dimensions of the guide groove 141 along the left-right direction and the dimension along the front-rear direction is from bottom to top. Tapered shape. That is to say, during the installation process of the lower chassis 12 , the lower chassis 12 will slide upwards from the starting installation position to be installed on the upper chassis 11 , so that the installation process of the lower chassis 12 can slide smoothly.

In addition, as shown in Figure 2, the guide groove 141 is set to a shape that gradually decreases in size from bottom to top (that is, the size gradually decreases from the open end of the guide groove 141 to the closed end), so as to facilitate the connection between the guide rail 142 and the guide rail 142. The slots 141 are aligned so that the guide rail 142 can be inserted into the guide slot 141 , and the size of the upper end of the guide slot 141 is small so that the guide rail 142 can be stably fitted in the guide slot 141 .

The guide rail 142 has a shape that gradually decreases in size from bottom to top and is adapted to the shape of the guide groove 141 .

Further, as shown in Figure 2, at least one of the top wall, the bottom wall and the side wall of the guide groove 141 is provided with a rib 1411, which guides the guide rail 142 to cooperate with the rib 1411 of the side wall, and uses the rib The manner in which 1411 cooperates with the side wall surface of the guide rail 142 on the lower chassis 12 can reduce the sound frequency of thermal expansion and contraction of the whole machine.

Advantageously, referring to FIG. 7 , the guide groove 141 is provided with a limiting protrusion 151 , the guide rail 142 is provided with a limiting groove 152 , and the limiting protrusion 151 fits in the limiting groove 152 . That is to say, after the lower chassis 12 is installed, the position-limiting protrusion 151 fits in the position-limiting groove 152, and through the cooperation of the position-limiting protrusion 151 and the position-limiting groove 152, the positioning of the lower chassis 12 relative to the upper chassis 11 can be facilitated. , so that the lower chassis 12 can be installed stably. In addition, the cooperation between the position-limiting protrusion 151 and the position-limiting groove 152 can also play an obvious prompting role, and the cooperation between the position-limiting protrusion 151 and the position-limiting groove 152 can be quickly known. Whether lower chassis 12 is installed in place.

In addition, when the position-limiting protrusion 151 is locked into the position-limiting slot 152, a sound of "click" can be generated to further remind the lower chassis to be assembled in place.

Further, referring to FIG. 7 , the limiting protrusion 151 is disposed on the bottom wall of the guide groove 141 adjacent to the upper end of the guide groove 141 , and the limiting groove 152 is disposed on the rear surface of the guide rail 142 adjacent to the upper end of the guide rail 142 . Thus, stable positioning of the lower chassis 12 can be achieved. Moreover, since the position-limiting protrusion 151 is disposed adjacent to the upper end of the guide groove 141 , the wear on the position-limiting protrusion 151 is less during the assembly and disassembly process of the lower chassis 12 .

Further, referring to FIG. 2 and FIG. 11 , there are two guide grooves 141 and they are respectively provided on the left end and the right end of the upper chassis 11 , and the two guide grooves 141 are respectively provided with limiting protrusions 151 , and there are two guide rails 142 and are respectively provided At the left end and the right end of the lower chassis 12, two guide rails 142 are respectively provided with limiting grooves 152, and the two guide rails 142 are respectively slidably fitted in the two guide grooves 141, and the two limiting protrusions 151 are respectively fitted in two Inside the limit slot 152. The installation of the lower chassis 12 can be further facilitated by the two pairs of guide grooves 141 and the guide rails 142 , and the positioning of the upper chassis 11 can be facilitated by the cooperation of the two pairs of limiting protrusions 151 and the limiting grooves 152 .

Further, referring to FIG. 2 , at least one of the dimensions along the left-right direction and the dimensions along the front-rear direction of the guide groove 141 gradually decreases from bottom to top. This facilitates the alignment of the guide rail 142 with the guide groove 141 , so that the guide rail 142 can be inserted into the guide groove 141 , and the upper end of the guide groove 141 is small in size, so that the guide rail 142 can be stably fitted in the guide groove 141 .

Advantageously, referring to FIG. 1 to FIG. 4 , the upper chassis 11 is provided with a connecting groove 153 , and the lower chassis 12 is provided with a connecting protrusion 154 , and the connecting protrusion 154 fits in the connecting groove 153 . That is to say, after the installation of the lower chassis 12 is completed, at least a part of the connecting protrusion 154 on the lower chassis 12 fits in the connecting groove 153, thereby realizing the positioning of the lower chassis 12, and through the connecting groove 153 and the connecting protrusion 154 The cooperation positioning lower chassis 12.

Further, referring to FIG. 2 , the upper chassis 11 is provided with an elastic arm 155 , and the connecting groove 153 is provided on the elastic arm 155 . In the process of installing the lower chassis 12, the connecting protrusion 154 on the lower chassis 12 will push the elastic arm 155 to move outward, thereby facilitating the movement of the lower chassis 12, and making the connecting protrusion 154 not easy to be damaged, and when dismounting, it can be dialed The elastic arm 155 is moved so that the connecting protrusion 154 is disengaged from the connecting groove 153, so that the lower chassis 12 can be disassembled from the upper chassis 11 conveniently.

As shown in FIG. 15 , ribs on both sides of the connecting groove 153 of the elastic arm 155 are arranged in a staggered manner.

Further, the elastic arm 155 extends in the up-down direction, and the connecting groove 153 on the elastic arm 155 extends in the left-right direction, and the inner surface of the first rib 1551 behind the connecting groove 153 of the elastic arm 155 protrudes inwardly from the elastic arm 155 The inner surface of the second rib 1552 located in front of the connecting groove 153 .

In addition, referring to FIGS. 1 to 4 , the connection groove 153 is provided at the right end of the upper chassis 11 , and the connection protrusion 154 is provided at the right end of the lower chassis 12 . Thereby, the installation and disassembly of the lower chassis 12 are facilitated.

Specifically, the connection groove 153 is disposed in the guide groove 141 and is adjacent to the lower end of the upper chassis 11 .

Specifically, referring to Fig. 14, the elastic arm 155 is arranged on the right end of the upper chassis, and the connecting groove 153 on the elastic arm 155 extends along the left-right direction, and the elastic arm 155 has a second rib 1552 located in front of the connecting groove 153 and a second rib 1552 located in the connecting groove. 153 behind the first rib 1551 , the left side of the first rib 1551 raises the left side of the second rib 1551 to the left.

Certainly, connecting grooves 153 may also be provided on both sides of the upper chassis 11 , and connecting protrusions 154 may be provided on both ends of the lower chassis 12 . A guide groove (or guide rail) may also be provided on one side of the upper chassis 11 , and a guide rail (or guide groove) may be provided at a corresponding position of the lower chassis 12 . It is also possible to set multiple guide grooves and guide rails on the upper chassis 11 and the lower chassis 12.

In addition, in the foregoing description, the positions of the guide groove 141 and the guide rail 142 are interchangeable; the positions of the connecting groove 153 and the connecting protrusion 154 are interchangeable; are interchangeable.

Further, the lower chassis 12 is further installed on the upper chassis 11 through threaded fasteners. The stability of the lower chassis 12 is further improved to prevent the lower chassis 12 from falling off or malfunctioning.

Preferably, an air inlet grill is arranged on the upper chassis 11 . This can facilitate the airflow to enter the indoor unit of the air conditioner, and can play a certain role in hindering the dust from the outside, reducing the dust entering the indoor unit of the air conditioner, facilitating the cleaning of the indoor unit 100 of the air conditioner and improving its operation. stability and security.

Preferably, the intake grill 118 is integrally formed on the upper chassis 11 . The structural strength of the air intake grille is improved, and the molding of the upper chassis 11 is facilitated.

In addition, in general, the installation of the casing 1 is generally to install the lower chassis 12 on the upper chassis 11, therefore, the guide rail 142 is arranged on the lower chassis 12, and the guide groove 141 is arranged on the upper chassis 11, which can increase the guide assembly. 14 guide efficiency and effect, thereby further improving the assembly efficiency of the shell 1.

Of course, in the present invention, the guide rails can also be arranged on the upper chassis, while the guide grooves can be arranged on the lower chassis 12 . In addition, guide rails and guide grooves may also be provided on the upper chassis, while guide grooves and guide rails respectively corresponding to the guide rails and guide grooves may be provided on the lower chassis.

1 to 7, in the installation process of the lower chassis 12 of the embodiment of the present invention, the guide rail 142 on the lower chassis 12 is matched with the guide groove 141 on the upper chassis 11, and the lower chassis 12 is pushed backward and upward, so that The guide rail 142 moves along the guide groove 141, and when the guide rail 142 moves to a predetermined position, the limit groove 152 on the guide rail 142 will cooperate with the limit protrusion 151 in the guide groove 141; in addition, when the guide rail 142 moves along the guide groove 141 During the process, the connection protrusion 154 on the lower chassis 12 will push the elastic arm 155 to deform elastically. When the connection protrusion 154 moves to a predetermined position, the connection protrusion 154 is opposite to the connection groove 153. At this time, the elastic arm 155 is reset, so that At least a part of the connection protrusion 154 is fitted in the connection groove 153 . After the position-limiting protrusion 151 is well matched with the position-limiting groove 152 and the connection protrusion 154 is well matched with the connection groove 153, the lower chassis 12 is fastened on the upper chassis 11 by screws.

During the dismounting process of the lower chassis 12, the screws connecting the lower chassis 12 and the upper chassis 11 are removed, and the elastic arm 155 is elastically deformed in a direction away from the lower chassis 12, so that the connecting protrusion 154 is disengaged from the connecting groove 153 and moves toward the lower chassis 12. Twitch the lower chassis 12 to separate the stop groove 152 on the guide rail 142 on the lower chassis 12 from the stop protrusion 151 in the guide groove 141 on the upper chassis 11, continue to twitch the lower chassis 12, and the guide rail on the lower chassis 12 142 will move along the guide groove 141 on the upper chassis 11, and when the guide rail 142 is completely disengaged from the guide groove 141, the lower chassis 12 will be disassembled from the upper chassis 11.

The assembly and disassembly of the lower chassis 12 of the present invention is convenient.

As shown in FIG. 8 , an indoor unit 100 of an air conditioner according to an embodiment of the present invention includes: a housing 1 , a mask 13 , a heat exchanger 2 and a fan 3 .

Specifically, the shell 1 includes an upper chassis 11 and a lower chassis 12, the lower chassis 12 is detachably installed on the upper chassis 11, and the mask 13 is detachably installed on the upper chassis 11, wherein the upper chassis 11 is provided with an air inlet 101, for air intake. An air outlet (not shown) is provided on the lower chassis 12 for air outlet. Driven by the fan 3 , the airflow enters the air conditioner indoor unit 100 from the air inlet and is sent out after passing through the air outlet. The airflow will exchange heat with the heat exchanger 2 in the air conditioner indoor unit 100 . The heat exchanger 2 is installed on the upper chassis 11 . The fan 3 is detachably mounted on the lower chassis 12 .

According to the air conditioner indoor unit 100 of the embodiment of the present invention, the fan 3 is installed on the lower chassis 11, and the lower chassis 12 is detachably installed on the upper chassis 11, when the fan 3 needs to be cleaned, maintained, repaired and replaced. Only need to disassemble the lower chassis 12 from the upper chassis 11, the fan 3 can be disassembled from the indoor unit 100 of the air conditioner, avoiding the problem that the heat exchanger affects the installation or disassembly of the fan in the related art. The fan 3 of the present invention is easy to disassemble, and it is convenient to clean the wind wheel of the fan 3, and in the process of cleaning the wind wheel, there is no need to disassemble or install the heat exchanger, thereby avoiding disassembly and installation of the heat exchanger when cleaning the fan The problem that the heat exchanger is prone to failure is caused, the maintenance of the indoor unit 100 of the air conditioner is facilitated, and the failure rate of the indoor unit 100 of the air conditioner is reduced.

Referring to FIG. 8 and FIG. 9 , in some embodiments of the present invention, the upper chassis 11 includes: a rear baffle 111 , an upper cover 112 , a left end plate 113 and a right end plate 114 . The heat exchanger 2 is installed on the tailgate 111 . The rear edge of the upper cover plate 112 is connected with the upper edge of the rear baffle plate 111, and the air inlet 101 is formed on the upper cover plate 112, so that air flows into the air conditioner indoor unit 100 through the air inlet 102 for heat exchange. The rear edge of the left end plate 113 is connected to the left edge of the tailgate 111 , and the upper edge of the left end plate 113 is connected to the left edge of the upper cover plate 112 . The rear edge of the right end plate 114 is connected to the right edge of the tailgate 111 , and the upper edge of the right end plate 114 is connected to the right edge of the upper cover plate 112 . The structural strength of the upper chassis 11 is high, and it is convenient to install the heat exchanger 2 on the upper chassis 11 , and the overall structural strength of the indoor unit 100 of the air conditioner is improved.

In addition, by setting the air inlet 101 on the upper cover 112 of the upper chassis 11 and installing the heat exchanger 2 on the rear baffle 111, the heat exchanger 2 and the upper cover provided with the air inlet 101 can be effectively connected. A gap is formed between the plates 112 , so that the airflow can smoothly enter the air conditioner indoor unit 100 , so that the airflow can flow smoothly and improve the working efficiency of the air conditioner indoor unit 100 .

Preferably, the lower chassis 12 is detachably installed on the right side of the left end plate 113 and the tailgate 111 , the left end plate 113 is located on the left side of the lower chassis 12 and the right end plate 114 is located on the right side of the lower chassis 12 . The lower chassis 12 can be conveniently installed on the upper chassis 11, and the disassembly of the lower chassis 12 is also facilitated.

Further, referring to FIG. 8 and FIG. 9 , the upper chassis 11 further includes: a left cover plate 115 and a right cover plate 116 . The left cover plate 115 is installed on the left side of the left end plate 113 . The right cover plate 116 is installed on the right side of the right end plate 114 . In order to further improve the structural strength of the upper chassis 11 through the left cover plate 115 and the right cover plate 116 , and increase the sealing performance of the left and right sides of the upper chassis 11 . In addition, the external appearance of the casing 1 is also improved.

Preferably, the mask 13 is detachably installed on the left cover plate 115 and the right cover plate 116 . The installation of the mask 13 is facilitated, and the assembly and maintenance efficiency of the indoor unit 100 of the air conditioner is improved.

Advantageously, as shown in FIG. 9 , an air inlet grill 118 is provided at the air inlet 101 of the upper cover plate 112 . This can facilitate the airflow to enter the air conditioner indoor unit 100 through the air inlet 101, and can play a certain role in hindering external dust and the like, reducing the dust entering the air conditioner indoor unit 100, which is convenient for the air conditioner indoor unit 100. The cleaning is integrated to improve the stability and safety of its operation.

Advantageously, the intake grill 118 is integrally formed on the upper cover plate 112 . The structural strength of the intake grille 118 is improved, and the molding of the upper cover plate 112 is facilitated.

In addition, the upper chassis 11 of the present invention can also be in other forms. For example, the upper chassis 11 can only include the rear baffle 111 without the upper cover 112. location.

In some embodiments of the present invention, the mask 13 is pivotally mounted on the upper chassis 11 . That is to say, the face shield 13 is rotatably installed on the upper chassis 11 between the position covering the casing 1, the heat exchanger 2 and the blower fan 3 and the position exposing the casing 1, the heat exchanger 2 and the blower blower 3, so that The heat exchanger 2 and the fan 3 are installed on the casing 1, and the heat exchanger 2 and the fan 3 are conveniently disassembled.

Referring to FIG. 8 and FIG. 10 , in some embodiments of the present invention, the mask 13 defines a cover cavity 104 , and the upper chassis 11 and the lower chassis 12 are covered by the mask 13 in the cover cavity 104 . Make the appearance of the indoor unit 100 of the air conditioner beautiful, and make the indoor unit 100 of the air conditioner closed to facilitate directional air supply. Optionally, the mask 13 is provided with an air supply port 103 corresponding to the position of the air outlet for avoiding the air outlet.

Further, referring to FIG. 8 and FIG. 10 , the mask 13 includes: a front panel 131 , a lower panel 132 , a left side panel 133 and a right side panel 134 . The front panel 131 covers the front surfaces of the upper chassis 11 and the lower chassis 12 . The front edge of the lower panel 132 is connected to the lower edge of the front panel 131 , the lower panel 132 covers the lower surface of the lower chassis 12 , and the air outlet 103 is located at the junction of the front panel 131 and the lower panel 132 . The front edge of the left panel 133 is connected to the left edge of the front panel 131, and the lower edge of the left panel 133 is connected to the left edge of the lower panel 132. The left panel 133 is rotatably mounted on the left side of the upper chassis 11. Go up and cover the left side of upper chassis 11. The front edge of the right panel 134 is connected to the right edge of the front panel 131 and the lower edge is connected to the right edge of the lower panel 132. The right panel 134 is rotatably mounted on the right side of the upper chassis 11 and covers the upper chassis 11. right side of the .

Further, referring to Fig. 8, the left side panel 133 is arranged on the left side of the upper chassis 11, the right side panel 134 is arranged on the right side of the upper chassis 11, and the rear end of the upper part of the left side panel 133 and the upper part of the right side panel 134 The rear end is provided with a rotating shaft, and a shaft hole structure adapted to the rotating shaft is provided on the left cover plate 115 and the right cover plate 116 of the upper chassis 11, so that the mask 13 is rotatably mounted on the shell 1 through the cooperation of the shaft holes.

Advantageously, the junction of the front panel 131 and the lower panel 132 has a circular arc transition. Therefore, the appearance of the air conditioner indoor unit 100 is beautiful, and the arc transition surface of the air conditioner indoor unit 100 is less likely to be damaged than the angular surface during transportation.

In addition, the front panel 131 and the lower panel 132 of the mask 13 of the present invention can be formed separately, wherein the lower panel 132 is fixed on the lower chassis 12 alone or made integral with the lower chassis 12 .

As shown in FIG. 11 , in some embodiments of the present invention, the fan 3 includes: a wind wheel 31 and a motor 32 . The wind wheel 31 is detachably mounted on the lower chassis 12 . The motor 32 is detachably installed on the lower chassis 12 and is in transmission connection with the wind wheel 31 . Thereby, the operation and assembly and disassembly of the fan 3 are facilitated.

Further, the lower chassis 12 is provided with a motor installation groove (not shown), the upper chassis 11 is provided with a water receiving cover 21, the motor 32 is installed in the motor installation groove, the water receiving cover 21 is located below the heat exchanger 2 and will Motor 32 is compressed in the motor mounting groove.

In some embodiments of the present invention, the air outlet of the lower chassis 12 is provided with an air deflector 105 exposed from the air outlet 103 . In order to guide the flow direction of the airflow sent from the indoor unit 100 of the air conditioner.

Other configurations and operations of the indoor unit of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (21)

1. A shell of an air conditioner indoor unit, characterized in that it comprises: upper chassis; a lower chassis, the lower chassis is detachably mounted on the upper chassis; A guide assembly for guiding the lower chassis when installing and removing the lower chassis. 2. The housing of the indoor unit of an air conditioner according to claim 1, wherein the guide assembly comprises: a guide groove, the guide groove is arranged on the upper chassis; A guide rail matched with the guide groove, the guide rail is arranged on the lower chassis. 3. The shell of the indoor unit of an air conditioner according to claim 2, wherein the guide groove extends upward from the bottom of the upper chassis, the bottom end of the guide groove is open, and the guide groove extends along the left and right sides. At least one of the dimension in the direction and the dimension in the front-rear direction is in a shape gradually decreasing from bottom to top. 4 . The housing of the indoor unit of an air conditioner according to claim 3 , wherein the guide rail has a shape that gradually decreases in size from bottom to top and is adapted to the shape of the guide groove. 5. The shell of the indoor unit of an air conditioner according to claim 2, wherein at least one of the top wall, the bottom wall and the side wall of the guide groove is provided with ribs, and the ribs extend from the The opening of the guide slot extends inward. 6. The housing of the indoor unit of an air conditioner according to claim 2, wherein a limiting protrusion is provided in the guide groove, a limiting groove is provided on the guide rail, and the limiting protrusion fits on the inside the limit slot. 7. The housing of the indoor unit of an air conditioner according to claim 6, wherein the position-limiting protrusion is arranged on the bottom wall of the guide groove and adjacent to the upper end of the guide groove, and the position-limiting protrusion A slot is provided on the rear surface of the rail adjacent the upper end of the rail. 8. The shell of the indoor unit of an air conditioner according to claim 6, wherein there are two guide grooves which are respectively arranged on the left end and the right end of the upper chassis, and the two guide grooves are respectively provided with The position-limiting protrusions and the guide rails are two and are respectively arranged on the left end and the right end of the lower chassis, and the position-limiting grooves are respectively provided on the two guide rails, and the two guide rails are respectively slidably fit in the two guide grooves and the two limiting protrusions fit in the two limiting grooves respectively. 9. The shell of the indoor unit of an air conditioner according to claim 6, wherein a connecting groove is provided on the upper chassis, and a connecting protrusion is provided on the lower chassis, and the connecting protrusion fits on the in the connection slot. 10 . The housing of the indoor unit of an air conditioner according to claim 9 , wherein an elastic arm is provided on the upper chassis, and the connecting groove is provided on the elastic arm. 11 . 11 . The housing of the indoor unit of an air conditioner according to claim 10 , wherein the ribs on both sides of the connecting groove of the elastic arm are arranged in a staggered manner. 12. The casing of the indoor unit of an air conditioner according to claim 11, wherein the elastic arm extends in the vertical direction, and the connecting groove on the elastic arm extends in the left-right direction, and the elastic arm The inner surface of the first rib located behind the connecting groove protrudes inwardly from the inner surface of the second rib located in front of the connecting groove of the elastic arm. 13. The housing of the indoor unit of an air conditioner according to claim 12, wherein the connection groove is provided at the right end of the upper chassis and the connection protrusion is provided at the right end of the lower chassis. 14 . The housing of the indoor unit of an air conditioner according to claim 13 , wherein the connection groove is disposed in the guide groove and the connection groove is adjacent to the lower end of the upper chassis. 15. The housing of the indoor unit of an air conditioner according to any one of claims 2-14, wherein the lower chassis is further mounted on the upper chassis by threaded fasteners. 16. The casing of the indoor unit of an air conditioner according to claim 1, wherein an air intake grill is arranged on the upper chassis. 17. An indoor unit of an air conditioner, comprising: A casing, the casing is the casing of the air conditioner indoor unit according to any one of claims 1-16; a mask, the mask is detachably mounted on the upper chassis; a heat exchanger, the heat exchanger is installed on the upper chassis; The fan is detachably installed on the lower chassis. 18. The indoor unit of an air conditioner according to claim 17, wherein the mask is pivotally mounted on the upper chassis. 19 . The air conditioner indoor unit according to claim 17 , wherein the mask defines a cover cavity, and the upper chassis and the lower chassis are covered by the mask in the cover cavity. 20. The air conditioner indoor unit according to claim 17, wherein the mask comprises: a front panel covering the front surfaces of the upper and lower chassis; a lower panel, the upper edge of the lower panel is connected to the lower edge of the front panel, and the lower panel covers the lower surface of the lower chassis; The left side panel, the front edge of the left side panel is connected to the left edge of the front panel and the lower edge is connected to the left side edge of the lower panel, and the left side panel covers the left side of the upper chassis; The right side panel, the front edge of the right panel is connected with the right edge of the front panel and the lower edge is connected with the right edge of the lower panel, and the right side panel covers the right side of the upper chassis. 21. The indoor unit of an air conditioner according to claim 20, characterized in that, the connection between the front panel and the lower panel has a circular arc transition.