CN213395616U - Indoor air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioning systems, and discloses an indoor air conditioner, which comprises a shell, wherein an air inlet cavity is arranged in the shell; the air inlet pipe is arranged on the shell and communicated with the air inlet cavity so as to limit the airflow outside the shell to flow into the air inlet cavity along a first direction; the first filter screen assembly is connected in the air inlet cavity in a sliding manner; and the second filter screen component is connected in the air inlet cavity in a sliding manner, and the first filter screen component and the second filter screen component are arranged on a plane perpendicular to the first direction, so that the airflow flowing into the air inlet cavity flows through the first filter screen component and the second filter screen component along the first direction. This application simple structure through the volume that reduces the filter screen, increases the area of contact of filter screen and air current, has improved work efficiency, and has realized the facility of filter screen loading and unloading, has saved the usage space of filter screen loading and unloading, has reduced room air conditioner's occupation space, has further promoted user's use and has experienced.

Description

Indoor air conditioner

Technical Field

The utility model relates to an air conditioning system technical field especially relates to an indoor air conditioner.

Background

At present, a fresh air module generally comprises a fresh air pipe, an air cavity, a filter screen (or a purification component), a fan and other components, because the fresh air module is usually arranged at one side of the indoor air conditioner and is influenced by the size of the indoor unit, the three-dimensional size of the fresh air module is often limited, especially the installation and arrangement forms of components such as an air cavity, a filter screen and the like have important influences on the size, the fresh air quantity, the noise, the purification efficiency and the like of the fresh air module, in the prior art, the filter screen is generally vertically arranged at one side of an air outlet of the air cavity, the unable abundant use of filter screen that mounting means can keep away from fresh air pipe one side like this, and the vertical mounting means of filter screen is not being convenient for install the construction, takes trouble hard, and in addition, the air current enters the wind channel space before wind cavity lid and the filter screen, and the air current does not pass through transition and buffering, can produce the air current noise at the in-process that the air current flows, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

In some embodiments of this application, provide an indoor air conditioner, it includes air inlet chamber, spiral case, first filter screen subassembly, second filter screen subassembly, limiting plate, bellying and jack-up muscle, this application simple structure has increased the area of contact of filter screen, has realized the facility of filter screen loading and unloading, has improved work efficiency, has saved the usage space of filter screen loading and unloading, has reduced indoor air conditioner's occupation space, has further promoted user's use and has experienced.

In some embodiments of the present application, the installation position of the volute is improved, so that the air inlet of the volute is located in the first direction, that is, the volute is perpendicular to the air inlet pipe, thereby realizing that the airflow directly flows to the volute along the first direction, and increasing the speed and the air inlet area of the airflow flowing to the volute.

In some embodiments of this application, add first filter screen subassembly with second filter screen subassembly will first filter screen subassembly with second filter screen subassembly is in the perpendicular to arrange on the plane of first direction the air inlet intracavity has reduced the volume of single filter screen body, through the volume that reduces single filter screen body, has increased the area of contact of filter screen body during operation, has further improved filter screen body's work efficiency.

In some embodiments of the present invention, the first direction is opposite to a direction in which the free end of the air inlet duct extends outwardly of the housing.

In some embodiments of the present application, the mounting of the first screen assembly and the second screen assembly is improved, the first screen assembly is slidably mounted within the intake air cavity in a plane perpendicular to the first direction, the second filter screen component is arranged in the air inlet cavity towards the first filter screen component in a sliding way on a plane vertical to the first direction, so that the insertion ends of the first filter screen component and the second filter screen component are in contact with each other, through reducing single filter screen body volume, make that constructor is convenient will first filter screen subassembly with the loading and unloading of second filter screen subassembly have realized first filter screen subassembly with the loading and unloading of second filter screen subassembly are convenient, have further saved first filter screen subassembly with the interior space that needs use when the loading and unloading of second filter screen subassembly has reduced indoor air conditioner's area occupied.

In some embodiments of this application, improved the air inlet chamber the top and the bottom in air inlet chamber have add the limiting plate makes the top and the bottom in air inlet chamber have formed the slide rail sets up the limiting plate through top and the bottom in air inlet chamber, makes first filter screen subassembly with the slide rail removal can be followed to the second filter screen subassembly.

In some embodiments of this application, add the bellying, through inciting somebody to action the bellying is connected to on the screen frame, realized the screen frame with the point face contact of limiting plate reduces the screen frame with the area of contact of limiting plate has reduced promptly the screen frame with frictional resistance between the limiting plate has promoted first filter screen subassembly with the installation convenience of second filter screen subassembly.

In some embodiments of this application, improved the air inlet chamber the bottom in air inlet chamber has add the jack-up muscle, just the jack-up muscle is on a parallel with the limiting plate is arranged in the slide rail, makes the jack-up muscle sets up the filter screen frame with the contact department in air inlet chamber has realized the filter screen frame with the line face contact in air inlet chamber has reduced the filter screen frame with the area of contact in air inlet chamber has reduced promptly the filter screen frame with frictional resistance between the air inlet chamber has promoted first filter screen subassembly with the installation convenience of second filter screen subassembly.

In some embodiments of the present application, an indoor air conditioner is provided, which includes a housing, an air inlet chamber disposed in the housing; the air inlet pipe is arranged on the shell and communicated with the air inlet cavity so as to limit the airflow outside the shell to flow into the air inlet cavity along a first direction; the first filter screen assembly is connected in the air inlet cavity in a sliding manner; the second filter screen component is connected in the air inlet cavity in a sliding mode, and the first filter screen component and the second filter screen component are arranged on a plane perpendicular to the first direction, so that air flowing into the air inlet cavity flows through the first filter screen component and the second filter screen component along the first direction.

In some embodiments of the present invention, the first direction is opposite to a direction in which the free end of the air inlet pipe extends out of the housing.

In some embodiments of the present application, the indoor air conditioner further comprises: the air inlet of the volute is positioned in the first direction; the fan is arranged in the volute and used for guiding the airflow in the air inlet cavity to flow through the first filter screen assembly and the second filter screen assembly along the first direction and flow to the volute; and the base is connected to the bottom of the shell.

In some embodiments of the present application, the insertion ends of the first and second screen assemblies are oppositely disposed within the air intake cavity.

In some embodiments of the present application, the indoor air conditioner further comprises: and the air inlet of the air outlet channel is connected to the air outlet of the volute, and the air outlet of the air outlet channel extends out of the shell.

In some embodiments of this application, still seted up two on the casing and dismantled the mouth, two dismantle the mouth all communicate in the air inlet chamber, by two it will to dismantle the mouth first filter screen subassembly with second filter screen subassembly inserts in opposite directions in the air inlet chamber.

In some embodiments of the present application, the first screen assembly and the second screen assembly each comprise: the filter screen body is used for limiting impurities in the air flow from entering the volute from the air inlet cavity; the filter screen frame is connected to the filter screen body.

In some embodiments of the present application, the first screen assembly and the second screen assembly further comprise: the disassembly cover covers the disassembly opening, and the disassembly cover is connected with the filter screen frame.

In some embodiments of the present application, the indoor air conditioner further comprises: the limiting plates are respectively arranged at the top and the bottom of the air inlet cavity so as to form slide rails at the top and the bottom of the air inlet cavity, and the filter screen frame is accommodated in the slide rails so as to limit the sliding tracks of the first filter screen assembly and the second filter screen assembly in the air inlet cavity; the bulge is connected to the filter screen frame, and the bulge is located the filter screen frame with the contact department of limiting plate to the restriction filter screen frame with the limiting plate is the point face contact.

In some embodiments of the present application, the indoor air conditioner further comprises: the jacking rib is connected to the bottom in air inlet chamber, the jacking rib is on a parallel with the limiting plate is arranged in the slide rail, the jacking rib is located the filter screen frame with the contact department in air inlet chamber, in order to restrict the filter screen frame with the air inlet chamber is the line face contact.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is one of the schematic structural diagrams of an indoor air conditioner according to an embodiment of the present invention;

fig. 2 is one of the schematic structural diagrams of an indoor air conditioner according to an embodiment of the present invention;

fig. 3 is one of the schematic structural diagrams of an indoor air conditioner according to an embodiment of the present invention;

fig. 4 is one of the schematic structural diagrams of an indoor air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an indoor air conditioner according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an air inlet chamber according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a first screen assembly and a second screen assembly according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a first screen assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an indoor air conditioner according to an embodiment of the present invention;

fig. 10 is a sectional view of an air inlet chamber in an embodiment of the present invention;

fig. 11 is an enlarged view of the "a" in fig. 8 according to the embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

100. a housing; 110. a disassembly port;

200. an air inlet cavity; 210. an air inlet pipe; 220. a limiting plate; 230. a slide rail; 240. jacking the ribs;

300. an air outlet channel; 310. an air outlet;

400. a volute; 410. a fan;

511. a first screen assembly; 512. a second screen assembly; 521. a filter screen body; 522. a screen frame; 523. disassembling the cover; 524. a boss portion;

600. a base.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The indoor air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator in the present application. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The indoor air conditioner can adjust the temperature of the indoor space throughout the cycle.

The indoor heat exchanger serves as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the indoor air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the indoor air conditioner is used as a cooler in a cooling mode.

The casing 100 has mounted therein a plurality of components constituting a refrigeration cycle. The housing 100 includes an at least partially open front surface, a rear surface defining a rear configuration, a base 600 defining a bottom configuration, and a top surface defining a top appearance.

A front panel is provided in front of the opening portion of the front surface, and a rear panel is provided on the rear surface, the front panel and the rear panel being used to define the overall appearance of the indoor unit.

Referring to fig. 1, a base 600 defining a bottom configuration, for example, a housing 100 may be provided to be mounted on the base 600.

According to the indoor air conditioner in some embodiments of the present application, the case 100 may be a self case 100 of an air conditioner in case of an integrated type air conditioner. Also, the front panel may be understood as one component of the case 100 in a broad sense.

Referring to fig. 1, a housing 100, an air inlet chamber 200 is provided in the housing 100.

Referring to fig. 1, the air inlet duct 210 is a tubular structure.

The air inlet duct 210 is adapted to restrict the flow of air from outside the housing 100 to the air inlet chamber 200 in a first direction.

The air inlet duct 210 is disposed on the housing 100, and a free end of the air inlet duct 210 extends to the outside of the housing 100, and the air inlet duct 210 communicates with the air inlet chamber 200.

It should be noted that the first direction is opposite to the direction in which the free end of the air inlet duct 210 extends out of the casing 100.

Referring to fig. 4, a scroll 400 is provided in the housing 100.

The air inlet of the volute 400 is located in the first direction, even if the volute 400 is perpendicular to the air inlet pipe 210, the airflow directly flows to the volute 400 along the first direction, the speed of the airflow flowing to the volute 400 is increased, and the air inlet area is increased, namely, the volute 400 is ensured to have a larger air inlet area.

Referring to fig. 5, a fan 410 is disposed within the volute 400.

The fan 410 is configured to direct airflow within the intake plenum 200 in a first direction into the volute 400.

The fan 410 is connected to the scroll 400.

Referring to fig. 7 and 8, each of the first and second screen assemblies 511 and 512 includes a screen body 521 and a screen frame 522.

The first and second screen assemblies 511 and 512 are used to mount the screen body 521 and the screen frame 522.

The first and second screen assemblies 511 and 512 are attached to the intake plenum 200 with the insertion ends of the first and second screen assemblies 511 and 512 oppositely disposed within the intake plenum 200.

It should be noted that, the first filter screen assembly 511 and the second filter screen assembly 512 are disposed in the air intake cavity 200, and the filter screen body 521 plays a role in buffering the air flow flowing in the air intake cavity 200, so as to reduce noise generated in the air flow flowing process, and further improve the user experience. Through setting up first filter screen subassembly 511 and second filter screen subassembly 512, make the volume of single filter screen body 521 reduce, through reducing the volume of single filter screen body 521, make the area of contact increase of holistic filter screen body 521 during operation with the air current, further improved the work efficiency of first filter screen subassembly 511 and second filter screen subassembly 512.

In addition, the insertion end of the first screen assembly 511 is slidably mounted in the air intake chamber on a plane perpendicular to the first direction, the insertion end of the second screen assembly 512 is slidably mounted in the air intake chamber toward the first screen assembly 511 on a plane perpendicular to the first direction, even if the insertion ends of the first filter screen component 511 and the second filter screen component 512 are mutually abutted and the volume of the single filter screen body 521 is small, the constructor can conveniently assemble and disassemble the first filter screen component 511 and the second filter screen component 512, the difficult problem that the single filter screen body 521 is large and is not easy to assemble and disassemble when the indoor air conditioner is placed at a position close to a wall surface is solved, the assembly and disassembly of the first filter screen component 511 and the second filter screen component 512 are convenient, and the occupied indoor space when the first filter screen assembly 511 and the second filter screen assembly 512 are assembled and disassembled is saved, the occupied area of the indoor air conditioner is reduced, and the use experience of a user is improved.

Referring to fig. 8, the screen body 521 is used to filter foreign substances in the air flow entering the scroll 400 from the intake chamber 200.

The filter screen body 521 is arranged in the air inlet cavity 200.

Referring to fig. 8, a screen frame 522 is a frame structure.

The screen frame 522 is used to mount the screen body 521.

The screen frame 522 is connected to the air intake chamber 200.

Referring to fig. 5, the air outlet channel 300 is a duct, and the air outlet 310 of the air outlet channel 300 extends to the outside of the housing 100.

The air outlet channel 300 is used for discharging the circulating airflow flowing through the air inlet cavity 200.

The air inlet of the air outlet channel 300 is connected with the air outlet 310 of the volute 400.

Referring to fig. 3, the detaching port 110 is an opening formed in the housing 100, and two detaching ports 110 are formed in the housing 100.

The first screen assembly 511 and the second screen assembly 512 are inserted into the air inlet chamber 200 through the two detachment ports 110 in opposite directions, so that the first screen assembly 511 and the second screen assembly 512 can be conveniently detached.

Both the disassembly ports 110 are communicated with the air inlet cavity 200.

Referring to fig. 6, the first and second screen assemblies 511 and 512 further include a removal cover 523.

The detachable cover 523 is used for covering and buckling the detachable opening 110 formed on the housing 100, so that the appearance structure of the housing 100 is neat.

The detachable cover 523 is connected to the detachable opening 110 formed in the housing 100, and the detachable cover 523 is connected to the detachable end of the filter frame 522.

Referring to fig. 10, a plurality of restriction plates 220, the plurality of restriction plates 220 having a slide rail 230 formed inside the intake chamber 200.

The slide rails 230 formed by the plurality of limiting plates 220 are used for mounting the screen frame 522, so that the insertion ends of the screen frames 522 of the first screen assembly 511 and the second screen assembly 512 move towards each other along the slide rails 230 and are inserted into the air inlet cavity 200, i.e., the sliding tracks of the first screen assembly 511 and the second screen assembly 512 in the air inlet cavity 200 are limited.

The limit plates 220 are disposed at the top and bottom of the intake chamber 200.

Referring to fig. 8, the protrusion 524 is a protrusion structure.

The protruding part 524 is used for connecting the screen frame 522 and the limiting plate 220, so that the contact position of the screen frame 522 and the limiting plate 220 is in point-surface contact, the frictional resistance between the contact of the screen frame 522 and the limiting plate 220 is reduced, the installation convenience of the first screen assembly 511 and the second screen assembly 512 is improved, and the working efficiency is further improved.

The protrusion 524 is connected to the screen frame 522 and is disposed at a position where the screen frame 522 contacts the limiting plate 220.

It should be noted that the number of the protrusions 524 is plural, and the protrusions are disposed at positions where the screen frame 522 contacts the limiting plate 220.

Referring to fig. 10, the lifting rib 240 is parallel to the stopper plate 220.

The jacking ribs 240 are used for connecting the filter screen frame 522 with the bottom of the air inlet cavity 200, so that the contact position of the filter screen frame 522 with the bottom of the air inlet cavity 200 is in line-surface contact, the friction resistance between the contact positions of the filter screen frame 522 with the bottom of the air inlet cavity 200 is reduced, the installation convenience of the first filter screen assembly 511 and the second filter screen assembly 512 is improved, and the working efficiency is further improved.

The jacking ribs 240 are connected with the bottom of the air inlet cavity 200 and arranged in the slide rails 230 formed by the limiting plate 220 at the bottom of the air inlet cavity 200, and the jacking ribs 240 are positioned at the contact part of the filter screen frame 522 and the bottom of the air inlet cavity 200.

According to the first concept of the application, the installation position of the volute is improved, the air inlet of the volute is located in the first direction, the air flow can directly flow to the volute along the first direction, the speed and the air inlet area of the air flow flowing to the volute are increased, and the working efficiency is further improved.

According to the second design of this application, add first filter screen subassembly and second filter screen subassembly, arrange first filter screen subassembly and second filter screen subassembly in the air inlet intracavity on the plane of the first direction of perpendicular to, reduced the volume of single filter screen body, through the volume that reduces single filter screen body, increased the area of contact of filter screen body during operation, further improved the work efficiency of filter screen body.

According to the third conception of the application, the mounting mode of the first filter screen assembly and the second filter screen assembly is improved, the first filter screen assembly is slidably mounted in the air inlet cavity on the plane perpendicular to the first direction, the second filter screen assembly is slidably mounted in the air inlet cavity to the first filter screen assembly on the plane perpendicular to the first direction, the insertion ends of the first filter screen assembly and the second filter screen assembly are opposite, the size of a single filter screen body is small, the first filter screen assembly and the second filter screen assembly can be conveniently mounted and dismounted by constructors, the mounting and dismounting of the first filter screen assembly and the second filter screen assembly are convenient, the indoor space required to be used when the first filter screen assembly and the second filter screen assembly are mounted and dismounted is further saved, the occupied area of an indoor air conditioner is reduced, and the use experience of users is improved

According to the fourth design of this application, improved the air inlet chamber, through add the limiting plate in the top and the bottom in air inlet chamber, made the top and the bottom in air inlet chamber form the slide rail, made first filter screen subassembly and second filter screen subassembly can follow the slide rail and removed, restricted the slip orbit of first filter screen subassembly and second filter screen subassembly in the air inlet intracavity.

According to the fifth concept of the application, the lug boss is additionally arranged, the lug boss is connected to the filter screen frame, the filter screen frame is in point-surface contact with the limiting plate, the contact area of the filter screen frame and the limiting plate is reduced, the frictional resistance between the filter screen frame and the limiting plate is further reduced, and the installation convenience of the first filter screen assembly and the second filter screen assembly is improved.

According to the sixth design of this application, improved the air inlet chamber, set up the jack-up muscle in the bottom in air inlet chamber, through the jack-up muscle that the bottom contact department at filter screen frame and air inlet chamber set up, make the contact of filter screen frame and the bottom in air inlet chamber be the line face contact, reduced the area of contact of filter screen frame and air inlet chamber bottom, further reduced the frictional resistance between the bottom in filter screen frame and air inlet chamber, promoted first filter screen subassembly and second filter screen subassembly's installation convenience.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. An indoor air conditioner, comprising:

the air inlet cavity is arranged in the shell;

the air inlet pipe is arranged on the shell and communicated with the air inlet cavity so as to limit the airflow outside the shell to flow into the air inlet cavity along a first direction;

the first filter screen assembly is connected in the air inlet cavity in a sliding manner;

the second filter screen component is connected in the air inlet cavity in a sliding mode, and the first filter screen component and the second filter screen component are arranged on a plane perpendicular to the first direction, so that air flowing into the air inlet cavity flows through the first filter screen component and the second filter screen component along the first direction.

2. The room air conditioner of claim 1 wherein said first direction is opposite to the direction in which said free end of said air inlet duct extends outwardly of said housing.

3. A room air conditioner as set forth in claim 1, further comprising:

the air inlet of the volute is positioned in the first direction;

the fan is arranged in the volute and used for guiding the airflow in the air inlet cavity to flow through the first filter screen assembly and the second filter screen assembly along the first direction and flow to the volute;

and the base is connected to the bottom of the shell.

4. A room air conditioner as claimed in claim 1, wherein insertion ends of said first and second screen assemblies are oppositely disposed in said air intake chamber.

5. A room air conditioner as set forth in claim 3, further comprising:

and the air inlet of the air outlet channel is connected to the air outlet of the volute, and the air outlet of the air outlet channel extends out of the shell.

6. The room air conditioner as claimed in claim 1, wherein said casing further defines two detachment openings, both of said two detachment openings are connected to said air intake chamber, and said first screen assembly and said second screen assembly are inserted into said air intake chamber through said two detachment openings in opposite directions.

7. A room air conditioner as set forth in claim 6 wherein said first and second screen assemblies each include:

the filter screen body is used for limiting impurities in the air flow from entering the volute from the air inlet cavity;

the filter screen frame is connected to the filter screen body.

8. A room air conditioner as defined in claim 7, wherein said first and second screen assemblies further comprise:

the disassembly cover covers the disassembly opening, and the disassembly cover is connected with the filter screen frame.

9. A room air conditioner as set forth in claim 7, further comprising:

the limiting plates are respectively arranged at the top and the bottom of the air inlet cavity so as to form slide rails at the top and the bottom of the air inlet cavity, and the filter screen frame is accommodated in the slide rails so as to limit the sliding tracks of the first filter screen assembly and the second filter screen assembly in the air inlet cavity;

the bulge is connected to the filter screen frame, and the bulge is located the filter screen frame with the contact department of limiting plate to the restriction filter screen frame with the limiting plate is the point face contact.

10. A room air conditioner as set forth in claim 9, further comprising:

the jacking rib is connected to the bottom in air inlet chamber, the jacking rib is on a parallel with the limiting plate is arranged in the slide rail, the jacking rib is located the filter screen frame with the contact department in air inlet chamber, in order to restrict the filter screen frame with the air inlet chamber is the line face contact.

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