CN216011042U - Air pipe indoor unit and air conditioner - Google Patents

Abstract

The embodiment of the application provides a tuber pipe indoor set and air conditioner, wherein, tuber pipe indoor set includes: the fan assembly comprises a shell, a middle partition plate and a fan assembly; the shell is provided with an air return inlet and an air outlet, and the air return inlet is arranged at the bottom of the shell; the middle partition plate is provided with a mounting port and is detachably arranged in the shell so as to divide an air channel cavity communicated with the air return port and a heat exchanger cavity communicated with the air outlet into the shell; the fan assembly comprises a volute, a wind wheel and a driving motor, the volute comprises a shell with an airflow inlet and an airflow outlet and a mounting plate surrounding the airflow outlet, the wind wheel is arranged in the volute, and the driving motor is in driving connection with the wind wheel; the fan assembly is detachably arranged in the air duct cavity, and the mounting plate cover is arranged at the mounting opening to form a separation structure together with the middle partition plate. The air pipe indoor unit provided by the embodiment of the application can be used for conveniently maintaining parts arranged in the cavity of the heat exchanger.

Description

Air pipe indoor unit and air conditioner

Technical Field

The application relates to the technical field of air conditioning equipment, in particular to an air pipe indoor unit and an air conditioner.

Background

Among the correlation technique, the installation is carried out before the fitment furred ceiling in general to tuber pipe indoor set, and in order to guarantee pleasing to the eye, the fuselage of tuber pipe indoor set generally can be lived by the parcel, only designs into detachable structure with the return air grid that sets up in the return air inlet department of tuber pipe indoor set and the air-out grid that sets up in air outlet department.

The fan subassembly of traditional tuber pipe indoor set generally adopts the design of preceding centrifugal impeller collocation spiral case, in order to prevent the wind field backward flow, be provided with the median septum in the shell, the median septum separates wind channel chamber and heat exchanger chamber in the shell, when maintaining the fan subassembly that sets up at the wind channel intracavity, can operate through the return air grid of pulling down return air inlet department, but, to the windward side of the heat exchanger of setting at the heat exchanger intracavity, the water collector of setting at the heat exchanger downside is close to one side of median septum and sets up at the heat exchanger intracavity and is located the spare part that the heat exchanger is close to median septum one side, for example, a water pump, electric heating, the temperature sensing package, electronic expansion valve etc., then be not convenient for maintain owing to blockking of median septum.

SUMMERY OF THE UTILITY MODEL

In view of this, it is desirable to provide an air duct indoor unit and an air conditioner that can facilitate maintenance of parts disposed in a heat exchanger cavity.

In order to achieve the above object, an embodiment of the present application provides an air duct indoor unit, including:

the air conditioner comprises a shell with an air return inlet and an air outlet, wherein the air return inlet is arranged at the bottom of the shell;

the middle partition plate is detachably arranged in the shell to divide an air duct cavity communicated with the air return opening and a heat exchanger cavity communicated with the air outlet into the shell;

the fan assembly comprises a volute, a wind wheel and a driving motor, the volute comprises a shell with an airflow inlet and an airflow outlet and a mounting plate surrounding the airflow outlet, the wind wheel is arranged in the volute, and the driving motor is in driving connection with the wind wheel; the fan assembly is detachably arranged in the air duct cavity, and the mounting plate cover is arranged at the mounting opening to form a separation structure together with the middle partition plate.

In one embodiment, the mounting plate abuts the middle partition plate; and/or the mounting plate is detachably connected with the shell.

In one embodiment, the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

one side of the mounting plate is fixedly connected with the side wall of the bottom plate facing the air return inlet; and/or the presence of a gas in the gas,

the mounting plate is provided with an elastic buckle, the top plate is provided with a clamping hole, and one end of the elastic buckle extends into the clamping hole and is abutted against the end face of the top plate located on the periphery of the clamping hole; and/or the presence of a gas in the gas,

the mounting plate is provided with a first positioning part, the top plate is provided with a second positioning part, one of the first positioning part and the second positioning part is a first positioning piece, the other of the first positioning part and the second positioning part is a first positioning groove, and the first positioning piece is in inserting fit with the first positioning groove.

In one embodiment, the intermediate partition includes a first partition and a second partition, and the first partition and the second partition are spaced apart in a lateral direction of the housing such that a space between the first partition and the second partition forms the mounting opening.

In one embodiment, the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

one side of the first partition plate is provided with a first flanging formed by turning, the first flanging is fixedly connected with the top plate, and one side of the first partition plate, which is far away from the first flanging, is fixedly connected with the side wall, facing the air return opening, of the bottom plate.

In one embodiment, the air pipe indoor unit comprises a fastening piece with a head part and a rod part, the top plate is provided with a first fastening hole, the first flanging is provided with a second fastening hole, the second fastening hole comprises a positioning sub hole and a fixing sub hole communicated with the positioning sub hole, and the outer dimension of the positioning sub hole is larger than that of the head part; when the first flanging is fixedly connected with the top plate through the fastening piece, the rod part is positioned in the fixing sub-hole and the first fastening hole; and/or the presence of a gas in the gas,

the first partition plate is provided with a third positioning portion, the top plate is provided with a fourth positioning portion, one of the third positioning portion and the fourth positioning portion is a second positioning piece, the other of the third positioning portion and the fourth positioning portion is a second positioning groove, and the second positioning piece is in splicing fit with the second positioning groove.

In one embodiment, the casing comprises an upper casing and a lower casing, the upper casing is provided with the mounting port, the mounting plate is connected with the upper casing, and the lower casing is arranged on one side of the upper casing close to the air return port and is detachably connected with the upper casing;

the air pipe indoor unit further comprises a supporting assembly arranged on the first partition plate, and the driving motor is arranged on the supporting assembly.

In one embodiment, the supporting component comprises a mounting bracket and a base plate with a butting edge, the base plate is connected with the first partition plate, the mounting bracket is connected with the base plate, the driving motor is arranged on the mounting bracket, and the butting edge is fixedly connected with the top wall of the shell.

In one embodiment, the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

the side edge of the side frame at the air return opening is turned over towards the top plate to form a first folded edge, one side of the second partition plate is provided with a second turned edge formed by turning over, and the second turned edge is fixedly connected with the first folded edge; and/or the presence of a gas in the gas,

the top plate is provided with a second folded edge formed by folding, an insertion groove is formed in the second folded edge, the second partition plate is provided with a plug connector, and the plug connector is in clamping fit with the insertion groove; and/or the presence of a gas in the gas,

one side of the second partition plate, which is close to the top plate, is provided with a third flanging formed by turning, the top plate is provided with a blocking groove, and the third flanging is positioned in the blocking groove and is abutted against the side wall of the blocking groove.

In one embodiment, the middle partition plate further comprises a third partition plate, the third partition plate is arranged on one side of the first partition plate far away from the second partition plate and is spaced from the first partition plate, and another mounting opening is formed at the position where the third partition plate is spaced from the first partition plate;

the fan assembly comprises two volutes and two wind wheels, one wind wheel is arranged in each volute, and the mounting plate of each volute is covered at the corresponding mounting opening.

In one embodiment, the air duct indoor unit further includes an electric control box disposed on one lateral side of the casing, and the third partition is fastened to the electric control box.

Another embodiment of the present application provides an air conditioner, including the above-mentioned tuber pipe indoor set.

The embodiment of the application provides a tuber pipe indoor set and air conditioner, the median septum and the fan subassembly detachably of tuber pipe indoor set up in the shell, and simultaneously, set up the mounting panel on the spiral case of fan subassembly, the mounting panel lid is established in the installing port department of median septum and is separated the fender structure with the common formation of median septum, when needs are safeguarded the spare part of setting in the heat exchanger intracavity, only need from return air inlet department with fan subassembly and median septum demolish can, from this, can be convenient for maintain the spare part of setting in the heat exchanger intracavity.

Drawings

Fig. 1 is a schematic structural view of an air duct indoor unit according to an embodiment of the present application;

FIG. 2 is a schematic view of the fan assembly of the indoor unit of air duct shown in FIG. 1 in cooperation with a middle partition plate;

FIG. 3 is a schematic structural view of the air duct indoor unit shown in FIG. 1 with the first partition and the fan assembly removed;

FIG. 4 is a schematic view of the indoor unit of the air duct shown in FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view of the portion B in FIG. 4;

FIG. 7 is a schematic structural view of the top plate shown in FIG. 4;

FIG. 8 is a schematic structural view of the first separator shown in FIG. 4;

FIG. 9 is a schematic view of the first partition shown in FIG. 8 from another perspective;

FIG. 10 is a schematic view of the volute of FIG. 4;

FIG. 11 is an enlarged view of a portion of FIG. 10 at C;

FIG. 12 is a front view of the air duct indoor unit shown in FIG. 1;

FIG. 13 is a cross-sectional view D-D of FIG. 12;

FIG. 14 is an enlarged view of a portion of FIG. 13 at F;

FIG. 15 is a cross-sectional view E-E of FIG. 12;

FIG. 16 is an enlarged view of a portion of FIG. 15 at G;

fig. 17 is a schematic structural view of the air duct indoor unit shown in fig. 1, with the first partition plate, the fan assembly and a part of the side frame removed;

FIG. 18 is a schematic structural view of the second separator shown in FIG. 17;

FIG. 19 is an enlarged view of a portion of FIG. 17 at H;

FIG. 20 is an enlarged view of a portion of FIG. 17 at I;

fig. 21 is a schematic structural view of the air duct indoor unit shown in fig. 1, with a bottom plate, a first partition plate, a fan assembly and a part of a side frame removed;

FIG. 22 is a schematic structural view of the third separator shown in FIG. 21;

fig. 23 is a partial enlarged view at J in fig. 21.

Description of the reference numerals

A housing 10; an air return opening 10 a; an air outlet 10 b; an air duct cavity 10 c; a heat exchanger cavity 10 d; a top plate 11; a chucking hole 11 a; a second positioning portion 11 b; a fourth positioning portion 11 c; a second folded edge 11 d; an insertion groove 11 e; a catch groove 11 f; first fastening holes 11 g; a base plate 12; a side wall 12a of the bottom plate 12 facing the air return opening 10 a; a side frame 13; a first fold 13 a; a middle partition plate 20; the mounting opening 20 a; a first separator 21; a first flange 21 a; the second fastening hole 21 b; a positioning sub-hole 21 c; a fixed stator hole 21 d; a third positioning portion 21 e; a second separator 22; a second flange 22 a; a plug-in unit 22 b; a third flange 22 c; a third partition plate 23; a fan assembly 30; a volute casing 31; a housing 311; the airflow inlet 311 a; the airflow outlet 311 b; an upper case 3111; a lower case 3112; a mounting plate 312; an elastic catch 312 a; the first positioning portion 312 b; a wind wheel 32; a drive motor 33; a support assembly 40; a backing plate 41; the abutting edge 41 a; a mounting bracket 42; an electronic control box 50.

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

In the description of the present application, the "top", "bottom", "lateral" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 1, the "top", "bottom" orientation or positional relationship is the orientation or positional relationship of the air duct indoor unit in the use direction, and the production installation direction is the reverse of the use direction, i.e., the state shown in fig. 17, it is to be understood that these orientation terms are only used for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application.

An embodiment of the present application provides an air duct indoor unit, please refer to fig. 1 to 3, which includes an outer casing 10, a middle partition plate 20 and a fan assembly 30; the shell 10 is provided with an air return opening 10a and an air outlet 10b, and the air return opening 10a is arranged at the bottom of the shell 10; the middle partition plate 20 is provided with a mounting port 20a, and the middle partition plate 20 is detachably arranged in the shell 10 so as to divide an air duct cavity 10c communicated with the air return port 10a and a heat exchanger cavity 10d communicated with the air outlet port 10b in the shell 10; fan assembly 30 the fan assembly 30 includes a volute 31, a wind wheel 32 and a driving motor 33, the volute 31 includes a housing 311 having an airflow inlet 311a and an airflow outlet 311b, and a mounting plate 312 surrounding the airflow outlet 311b, the wind wheel 32 is disposed in the volute 31, and the driving motor 33 is in driving connection with the wind wheel 32; the fan assembly 30 is detachably disposed in the air duct chamber 10c, and the mounting plate 312 covers the mounting opening 20a to form a blocking structure together with the middle partition plate 20.

Another embodiment of this application provides an air conditioner, and this air conditioner includes the tuber pipe indoor set of this application arbitrary embodiment.

Specifically, the heat exchanger cavity 10d is provided therein with a heat exchanger, a water pan, a water pump, an electric heater, a thermal bulb, an electronic expansion valve, and other components.

The mounting plate 312 may be provided only in a partial region around the periphery of the gas flow outlet 311b, may be provided around the entire periphery of the gas flow outlet 311b, and the mounting plate 312 may be connected to the housing 311 by welding or the like, or may be integrally formed with the housing 311. When the mounting plate 312 covers the mounting opening 20a, the mounting plate 312 and the middle partition plate 20 form a blocking structure for preventing the wind field from flowing back.

An air flow inlet 311a of the housing 311 is communicated with the air return opening 10a, an air flow outlet 311b of the housing 311 faces the heat exchanger cavity 10d, external air flows enter the air duct cavity 10c from the air return opening 10a and enter the inside of the fan assembly 30 from the air flow inlet 311a of the housing 311, the air flows entering the inside of the fan assembly 30 are thrown out from the air flow outlet 311b under the acting extrusion of the wind wheel 32, heat exchange is carried out at the heat exchanger to form heat exchange air flow, and then the heat exchange air flow is blown out from the air outlet 10 b.

The return air opening 10a is located at the bottom of the fan assembly 30, and the fan assembly 30 and the middle partition plate 20 are detachable from the return air opening 10 a.

The utility model provides a set up median septum 20 and fan subassembly 30 detachably in shell 10, simultaneously, set up mounting panel 312 on fan subassembly 30's spiral case 31, mounting panel 312 covers and establishes in median septum 20's installing port 20a department and form with median septum 20 jointly and separate the fender structure, when needing to maintain the spare part that sets up in heat exchanger chamber 10d, only need follow return air inlet 10a department with fan subassembly 30 and median septum 20 demolish can, therefore, can be convenient for maintain the spare part that sets up in heat exchanger chamber 10 d.

In one embodiment, referring to fig. 1 and 17, the housing 10 includes a top plate 11, a bottom plate 12 and a side frame 13 with two open sides, the top plate 11 and the bottom plate 12 are respectively covered on the open positions of the two sides of the side frame 13, and an air return opening 10a is formed at one side of the bottom plate 12.

Generally, the using direction of the air duct indoor unit is opposite to the production and installation direction, that is, please refer to fig. 1, the using direction of the air duct indoor unit is that the top plate 11 faces upwards, the bottom plate 12 faces downwards, which is equivalent to that the return air inlet 10a faces downwards in the using state, so that maintenance personnel can conveniently disassemble and assemble the parts in the casing 10 from the return air inlet 10a, please refer to fig. 17, and the production and installation direction is that the bottom plate 12 faces upwards, the top plate 11 faces downwards, which is equivalent to that the return air inlet 10a faces upwards during production and installation, so that the assembly personnel can conveniently install the parts in the casing 10.

In an embodiment, referring to fig. 2, the mounting plate 312 abuts against the middle partition plate 20, that is, the mounting plate 312 may only abut against the middle partition plate 20 and is not connected to the middle partition plate 20, so that the sealing performance of the barrier structure formed by the mounting plate 312 and the middle partition plate 20 may be improved, and the fan assembly 30 may be conveniently disassembled and assembled.

In some embodiments, the mounting plate 312 may also be removably coupled to the midplate 20.

In one embodiment, referring to fig. 4, 5, and 17-20, the mounting plate 312 is detachably connected to the housing 10.

In one embodiment, referring to fig. 3, 4 and 6, one side of the mounting plate 312 is fixedly connected to the side wall 12a of the bottom plate 12 facing the air return opening 10 a.

Specifically, the mounting plate 312 may be fastened to the side wall 12a of the bottom plate 12 facing the air return opening 10a by a fastener such as a screw, a bolt, or the like, and thus, the mounting plate 312 may be easily detached.

It will be appreciated that in some embodiments, the mounting plate 312 may be fastened to other portions of the base plate 12 instead of the side wall of the base plate 12 facing the air return opening 10 a.

In an embodiment, referring to fig. 4, 5, 7, 10, 11, 13 and 14, the mounting plate 312 has an elastic buckle 312a, the top plate 11 has a buckle hole 11a, and one end of the elastic buckle 312a extends into the buckle hole 11a and abuts against an end surface of the top plate 11 located on the periphery of the buckle hole 11 a.

Specifically, during disassembly, a tool such as a screwdriver can be used, or a human hand can squeeze the elastic buckle 312a, so that the elastic buckle 312a is disengaged from the clamping hole 11a, during assembly, one end of the elastic buckle 312a is pushed into the clamping hole 11a, and the elastic buckle 312a can automatically abut against the end face of the top plate 11 on the periphery of the clamping hole 11a under the action of elastic force, so that the effect of fixing the mounting plate 312 can be achieved, that is, the mounting plate 312 and the top plate 11 can be connected through the matching of the elastic buckle 312a and the clamping hole 11a without fastening connection, and therefore, the disassembly and assembly efficiency of the fan assembly 30 can be improved.

The mounting plate 312 of the present embodiment is provided with two elastic buckles 312a, so that the reliability of the connection between the mounting plate 312 and the top plate 11 can be improved, and it can be understood that the number of the elastic buckles 312a is not limited to two, and in some embodiments, the number of the elastic buckles 312a can be adjusted as required.

In some embodiments, the mounting plate 312 and the top plate 11 may also be fastened together.

In an embodiment, referring to fig. 10, 11, 13 and 14, the mounting plate 312 has a first positioning portion 312b, the top plate 11 has a second positioning portion 11b, the first positioning portion 312b in fig. 14 is a first positioning member, the second positioning portion 11b is a first positioning groove, in some embodiments, the first positioning portion 312b may be the first positioning groove, the second positioning portion 11b may be the first positioning member, and the first positioning member and the first positioning groove are inserted and matched, so that the mounting plate 312 can be positioned.

In one embodiment, referring to fig. 2, the middle partition plate 20 includes a first partition plate 21 and a second partition plate 22, and the first partition plate 21 and the second partition plate 22 are spaced apart from each other in a transverse direction of the housing 10, such that a mounting opening 20a is formed at a space between the first partition plate 21 and the second partition plate 22. That is, the middle partition plate 20 may be composed of a first partition plate 21 and a second partition plate 22 separated from each other, and thus, it may be convenient to assemble and disassemble the middle partition plate 20.

In an embodiment, referring to fig. 2, the middle partition plate 20 further includes a third partition plate 23, the third partition plate 23 is disposed on a side of the first partition plate 21 away from the second partition plate 22 and spaced from the first partition plate 21, and another mounting opening 20a is formed at a space between the third partition plate 23 and the first partition plate 21; the fan assembly 30 includes two volutes 31 and two wind wheels 32, one wind wheel 32 is disposed in each volute 31, and the mounting plate 312 of each volute 31 covers the corresponding mounting opening 20 a. That is to say, the middle partition board 20 has two installation ports 20a, the installation ports 20a correspond to the volutes 31 one by one, and one wind wheel 32 is respectively arranged in each volute 31, that is, the fan assembly 30 can adopt a double wind wheel 32 structure, so that the air output of the air pipe indoor unit can be increased, and the comfort of air output is improved.

In an embodiment, referring to fig. 4 to 8, one side of the first partition 21 has a first flange 21a formed by folding, the first flange 21a is fastened to the top plate 11, and one side of the first partition 21 away from the first flange 21a is fastened to the side wall 12a of the bottom plate 12 facing the air return opening 10a, so that the first partition 21 can be conveniently detached.

It is understood that, in some embodiments, the side of the first partition 21 away from the first flange 21a may also be fastened to other portions of the bottom plate 12, instead of the side wall of the bottom plate 12 facing the air return opening 10 a.

In an embodiment, referring to fig. 5 and 8, the air duct indoor unit includes a fastening member having a head portion and a rod portion, the top plate 11 has a first fastening hole 11g, the first flange 21a has a second fastening hole 21b, the second fastening hole 21b includes a positioning sub-hole 21c and a fixing sub-hole 21d communicating with the positioning sub-hole 21c, and an outer dimension of the positioning sub-hole 21c is greater than an outer dimension of the head portion; when the first flange 21a is fastened to the top plate 11 by the fastening member, the rod is located in the fixed stator hole 21d and the first fastening hole 11 g.

Specifically, when the first separator 21 is removed, only the fasteners inserted into the fixing sub-holes 21d and the first fastening holes 11g may be loosened and the shanks of the fasteners may be slid into the positioning sub-holes 21c, and the first separator 21 may be removed from the positioning sub-holes 21c without removing the fasteners, and similarly, when the first separator 21 is mounted again, only the positioning sub-holes 21c of the first separator 21 need to be aligned with the fasteners inserted into the first fastening holes 11g, and after the heads of the fasteners pass through the positioning sub-holes 21c, the shanks of the fasteners may be inserted into the fixing sub-holes 21d and the fasteners may be tightened, so that the first separator 21 may be pre-positioned corresponding to the first separator 21 by the cooperation of the positioning sub-holes 21c and the fasteners, and the efficiency of mounting and dismounting the first separator 21 may also be improved.

In an embodiment, referring to fig. 7, 9, 15 and 16, a third positioning portion 21e may be disposed on the first partition board 21, a fourth positioning portion 11c may be disposed on the top board 11, the third positioning portion 21e in fig. 16 is a second positioning member, the fourth positioning portion 11c is a second positioning groove, in some embodiments, the third positioning portion 21e may also be a second positioning groove, the fourth positioning portion 11c is a second positioning member, and the second positioning member and the second positioning groove are in inserting fit, so that not only the first partition board 21 can be positioned when the first partition board 21 is installed, but also the reliability of connection between the first partition board 21 and the top board 11 can be increased, so as to prevent the first partition board 21 from falling off accidentally.

In one embodiment, referring to fig. 2 and 10, the housing 311 includes an upper housing 3111 and a lower housing 3112, the upper housing 3111 has a mounting opening 20a, the mounting plate 312 is connected to the upper housing 3111, the lower housing 3112 is disposed on a side of the upper housing 3111 near the air return opening 10a and detachably connected to the upper housing 3111; the air duct indoor unit further comprises a support assembly 40 disposed on the first partition 21, and the driving motor 33 is disposed on the support assembly 40.

Specifically, the upper housing 3111 and the lower housing 3112 can be detachably connected by clamping, inserting, or the like, or can be detachably connected by a fastening member. When the fan assembly 30 is disassembled, the lower housing 3112 may be disassembled first, then the first partition plate 21, the support assembly 40, the driving motor 33 and the wind wheel 32 may be disassembled together as a whole, and finally the upper housing 3111 may be disassembled, and similarly, the first partition plate 21, the support assembly 40, the driving motor 33 and the wind wheel 32 may also be assembled together as a whole, thereby facilitating the disassembly and assembly of the first partition plate 21, the support assembly 40, the driving motor 33 and the wind wheel 32.

In some embodiments, the driving motor 33 and the wind wheel 32 can be separately assembled and disassembled.

In one embodiment, referring to fig. 4, 5 and 15, the supporting assembly 40 includes a mounting bracket 42 and a backing plate 41 having an abutting edge 41a, the backing plate 41 is connected to the first partition 21, the mounting bracket 42 is connected to the backing plate 41, the driving motor 33 is disposed on the mounting bracket 42, and the abutting edge 41a is fastened to the top wall of the housing 10.

Specifically, the abutting edge 41a of the backing plate 41 is fastened to the top wall of the casing 10, so as to support and fix the support assembly 40, and in addition, since different types and sizes of the driving motors 33 may be adopted in different indoor air ducts, the mounting bracket 42 may be detachably connected to the backing plate 41, so that different driving motors 33 can be adapted by replacing different mounting brackets 42.

In an embodiment, referring to fig. 17 to 19, a side edge of the side frame 13 at the air return opening 10a is turned over toward the top plate 11 to form a first turned edge 13a, one side of the second partition 22 has a second turned edge 22a, and the second turned edge 22a is fastened to the first turned edge 13 a. That is, the second partition 22 may be fastened to the side frame 13.

In an embodiment, referring to fig. 7, 17 and 20, the top plate 11 has a second folded edge 11d formed by folding, the second folded edge 11d is provided with an insertion groove 11e, the second partition plate 22 has an insertion component 22b, and the insertion component 22b is engaged with the insertion groove 11e in a clamping manner, so that the second partition plate 22 can be positioned and the second partition plate 22 can also be fixed.

In an embodiment, referring to fig. 17, 18 and 20, one side of the second partition 22 close to the top plate 11 is provided with a third flange 22c formed by folding, the top plate 11 is provided with a blocking groove 11f, and the third flange 22c is located in the blocking groove 11f and abuts against a side wall of the blocking groove 11f, that is, one side of the second partition 22 opposite to the second flange 22a may not be tightly connected to the top plate 11, but only the third flange 22c is matched with the blocking groove 11f to fix the second partition 22, so that the dismounting efficiency of the second partition 22 may be improved, and the side of the second partition 22 opposite to the second flange 22a may be prevented from being loosened.

It will be appreciated that in some embodiments, the third flange 22c may also be securely connected to the top panel 11.

In an embodiment, referring to fig. 17 and 21 to 23, the air duct indoor unit further includes an electrical control box 50 disposed at one lateral side of the casing 10, and when the middle partition plate 20 has the second partition plate 22 and the third partition plate 23, the third partition plate 23 can be fastened to the electrical control box 50.

In some embodiments, the third partition 23 may be mounted in the same manner and structure as the second partition 22, that is, the third partition 23 may not be fastened to the electrical control box 50.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims (12)

1. An air pipe indoor unit, comprising:

the air conditioner comprises a shell with an air return inlet and an air outlet, wherein the air return inlet is arranged at the bottom of the shell;

the middle partition plate is detachably arranged in the shell to divide an air duct cavity communicated with the air return opening and a heat exchanger cavity communicated with the air outlet into the shell;

the fan assembly comprises a volute, a wind wheel and a driving motor, the volute comprises a shell with an airflow inlet and an airflow outlet and a mounting plate surrounding the airflow outlet, the wind wheel is arranged in the volute, and the driving motor is in driving connection with the wind wheel; the fan assembly is detachably arranged in the air duct cavity, and the mounting plate cover is arranged at the mounting opening to form a separation structure together with the middle partition plate.

2. The indoor unit of air duct of claim 1, wherein the mounting plate abuts the intermediate partition plate; and/or the mounting plate is detachably connected with the shell.

3. The indoor unit of air duct of claim 1, wherein the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

one side of the mounting plate is fixedly connected with the side wall of the bottom plate facing the air return inlet; and/or the presence of a gas in the gas,

the mounting plate is provided with an elastic buckle, the top plate is provided with a clamping hole, and one end of the elastic buckle extends into the clamping hole and is abutted against the end face of the top plate located on the periphery of the clamping hole; and/or the presence of a gas in the gas,

the mounting plate is provided with a first positioning part, the top plate is provided with a second positioning part, one of the first positioning part and the second positioning part is a first positioning piece, the other of the first positioning part and the second positioning part is a first positioning groove, and the first positioning piece is in inserting fit with the first positioning groove.

4. The indoor unit of any one of claims 1 to 3, wherein the intermediate partition comprises a first partition and a second partition, and the first partition and the second partition are spaced apart from each other in the transverse direction of the casing, so that the mounting opening is formed at the space between the first partition and the second partition.

5. The indoor unit of air duct of claim 4, wherein the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

one side of the first partition plate is provided with a first flanging formed by turning, the first flanging is fixedly connected with the top plate, and one side of the first partition plate, which is far away from the first flanging, is fixedly connected with the side wall, facing the air return opening, of the bottom plate.

6. The air duct indoor unit according to claim 5, wherein the air duct indoor unit comprises a fastening member having a head portion and a shaft portion, the top plate has a first fastening hole, the first flange has a second fastening hole, the second fastening hole comprises a positioning sub-hole and a fixing sub-hole communicated with the positioning sub-hole, and the outer dimension of the positioning sub-hole is larger than that of the head portion; when the first flanging is fixedly connected with the top plate through the fastening piece, the rod part is positioned in the fixing sub-hole and the first fastening hole; and/or the presence of a gas in the gas,

the first partition plate is provided with a third positioning portion, the top plate is provided with a fourth positioning portion, one of the third positioning portion and the fourth positioning portion is a second positioning piece, the other of the third positioning portion and the fourth positioning portion is a second positioning groove, and the second positioning piece is in splicing fit with the second positioning groove.

7. The indoor unit of air duct of claim 4, wherein the casing comprises an upper casing and a lower casing, the upper casing has the mounting port, the mounting plate is connected to the upper casing, and the lower casing is disposed on a side of the upper casing close to the air return port and detachably connected to the upper casing;

the air pipe indoor unit further comprises a supporting assembly arranged on the first partition plate, and the driving motor is arranged on the supporting assembly.

8. The indoor unit of claim 7, wherein the support assembly comprises a mounting bracket and a backing plate having an abutting edge, the backing plate is connected to the first partition, the mounting bracket is connected to the backing plate, the driving motor is disposed on the mounting bracket, and the abutting edge is fastened to the top wall of the casing.

9. The indoor unit of air duct of claim 4, wherein the casing comprises a top plate, a bottom plate and a side frame with two open sides, the top plate and the bottom plate are respectively covered on the open parts of the two sides of the side frame, and one side of the bottom plate forms the air return opening;

the side edge of the side frame at the air return opening is turned over towards the top plate to form a first folded edge, one side of the second partition plate is provided with a second turned edge formed by turning over, and the second turned edge is fixedly connected with the first folded edge; and/or the presence of a gas in the gas,

the top plate is provided with a second folded edge formed by folding, an insertion groove is formed in the second folded edge, the second partition plate is provided with a plug connector, and the plug connector is in clamping fit with the insertion groove; and/or the presence of a gas in the gas,

one side of the second partition plate, which is close to the top plate, is provided with a third flanging formed by turning, the top plate is provided with a blocking groove, and the third flanging is positioned in the blocking groove and is abutted against the side wall of the blocking groove.

10. The indoor unit of claim 4, wherein the middle partition further comprises a third partition, the third partition is disposed on a side of the first partition away from the second partition and spaced from the first partition, and another mounting opening is formed at a space between the third partition and the first partition;

the fan assembly comprises two volutes and two wind wheels, one wind wheel is arranged in each volute, and the mounting plate of each volute is covered at the corresponding mounting opening.

11. The indoor air duct unit of claim 10, further comprising an electrical control box disposed on one lateral side of the casing, wherein the third partition is fastened to the electrical control box.

12. An air conditioner characterized by comprising the indoor unit of air duct according to any one of claims 1 to 11.

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