CN205066088U - Machine in air -inlet grille box and air conditioning - Google Patents

Abstract

The utility model discloses a machine in air -inlet grille box and air conditioning, wherein, the box -packed air intake department that locates the interior machine of air conditioning of air -inlet grille, the air -inlet grille box is including air -inlet grille board that has the mesh and the strainer filter supprot board excessively that has the mesh, air -inlet grille board and strainer filter supprot board connection excessively to form the installation cavity between air -inlet grille board and mistake strainer filter supprot board, having of installation cavity is located the accent on the top of air -inlet grille box, the strip that extends about the accent is for supply the filter screen to pack into from top to bottom the installation cavity. The utility model discloses the effect that has the dismouting filter screen of being convenient for.

Description

Inlet grille box and air conditioner indoor unit

technical field

The utility model relates to the technical field of household appliances, in particular to an air intake grill box and an air conditioner indoor unit.

Background technique

The air conditioner indoor unit includes an air inlet for allowing outside air to enter the air conditioner. Usually the air inlet is provided with a filter to filter the air. However, the existing filter screen installation method basically adopts left and right pull-in installation, which is easily restricted by the position of the indoor wall and cannot pull out the filter screen. For example, the filter screen outlet of the air conditioner indoor unit is located on the left side. , and the left side of the air conditioner indoor unit is against the wall, the filter cannot be pulled out at this time.

Utility model content

The main purpose of the utility model is to provide an air intake grill box and an air conditioner indoor unit, which is intended to facilitate the installation and disassembly of the filter screen.

In order to achieve the above purpose, the utility model proposes an air inlet grill box, which is installed at the air inlet of the indoor unit of the air conditioner. The air inlet grill box includes an air inlet grill plate with mesh and a filter with mesh. Net support plate; the air intake grille plate is connected with the filter screen support plate, and an installation cavity is formed between the intake air grille plate and the filter screen support plate, and the installation cavity has a The cavity at the top of the cavity is in the shape of a strip extending from left to right, and is used for the filter to be loaded into the installation cavity from top to bottom.

Preferably, the cavity is formed on the top of the air intake grille and opened towards the windward side of the air intake grille.

Preferably, the windward surface of the inlet grille plate is provided with accommodating grooves, the accommodating grooves are arranged on the top side of the cavity opening, and the groove side of the accommodating grooves communicates with the cavity opening for to accommodate the handle of the filter.

Preferably, the windward side of the air intake grille protrudes to form a fastening buckle, the fastening buckle is formed at the bottom of the accommodating groove, and the lower surface of the fastening buckle is used for Abut against the handle of the filter.

Preferably, the left and right sides of the filter support plate are protrudingly formed with connection buckles, and the connection buckles on the left and right sides respectively extend toward the windward side of the filter support plate;

The air outlet surface of the air inlet grille is protruded with two supporting walls extending in the vertical direction, and the two supporting walls are respectively adjacent to the left and right edges of the air outlet surface of the air inlet grille. The outer surface of the wall abuts against the respective corresponding connection buckles to locate the filter screen support plate and the intake grille plate;

Both the outer surfaces of the two supporting walls protrude to form connecting buckles, and the connecting buckles are buckled with the connecting buckles to fix the filter screen support plate and the intake grille plate.

Preferably, the air outlet surface of the air inlet grille is protruded with a plurality of inserting plates and a plurality of hooks; the plurality of inserting plates and the plurality of hooks are respectively provided on the air inlet grille The left and right edges of the air outlet surface; the insert plate is used to fit into the first positioning jack of the air conditioner indoor unit; the buckle hook is used to buckle with the buckle of the air conditioner indoor unit.

Preferably, the bottom end surface of the air inlet grille protrudes and forms a plurality of bottom pins for inserting into the second positioning socket of the indoor unit of the air conditioner; A centering positioning pin is formed outside, and the centering positioning pin is arranged at the top edge of the air outlet surface of the air inlet grille plate, and is used for inserting into the third positioning jack of the indoor unit of the air conditioner.

The utility model also provides an air-conditioning indoor unit, which includes a housing, and the housing is provided with an air inlet and an air outlet. The air-conditioning indoor unit also includes an air inlet grid box and a filter screen. The grille box is connected to the housing and covered at the air inlet, and the filter screen is detachably installed in the air intake grille box; the air intake grille box includes an air intake grille with mesh The plate and the filter screen support plate with mesh; the air intake grille plate is connected with the filter screen support plate, and an installation cavity is formed between the intake air grille plate and the filter screen support plate, and the installation cavity has a The cavity at the top of the air inlet grille box is in the shape of a strip extending left and right, and is used for the filter to be loaded into the installation cavity from top to bottom.

Preferably, the air outlet is arranged on the front side of the housing, the air inlet is arranged on the rear side of the housing, and the air inlet is provided with a turbofan whose axis is parallel to the air inlet direction of the air inlet .

Preferably, the air inlet includes a top wall, a bottom wall and two side walls;

The inner ends of the two side walls respectively protrude toward the air inlet to form two side baffle plates, and the side baffle plates abut against the side edges of the air intake grille; a first positioning jack, the first positioning jack is inserted into the inserting plate of the air intake grille;

The end of the side baffle plate is formed with a flanging bent toward the air inlet direction, and the edge of the flanging is fastened with the hook of the air inlet grille;

The bottom wall is provided with a second positioning jack, and the second positioning jack is inserted into the bottom pin of the air intake grille;

The inner end of the top wall protrudes toward the air inlet to form a top resisting plate, and the top resisting plate abuts against the top edge of the air intake grille plate; a third positioning is provided on the top resisting plate. The third positioning socket is inserted into the centering positioning pin of the intake grille plate.

Preferably, the filter screen includes a net plate and a handle connected to the top of the net plate; the handle includes a first connecting section, a second connecting section and a third connecting section; the first connecting section is connected to the net The top end of the plate is connected and extends toward the top side, the second connection section is connected with the first connection section and bends toward the air inlet side, and the third connection section is connected with the second connection section and extends toward the top side ;

When the filter screen is installed in the inlet grill box, the second connection section is mounted on the edge of the opening of the installation cavity, the third connection section exposes the installation cavity, and the first connection section is exposed to the installation cavity. The wind outlet surface of the three connecting sections protrudes to form a fastening protrusion, and the fastening protrusion abuts against the lower surface of the fastening buckle of the air inlet grille plate; the windward surface of the third connecting section protrudes An operation part is formed, and the operation part protrudes from the air inlet surface of the air inlet grill plate.

In the air inlet grill box and air conditioner indoor unit provided by the utility model, on the one hand, the cavity opening of the air inlet grill box is located on the top of the air inlet grill box, and the filter screen can be moved up and down to disassemble and install the filter screen. . Compared with the scheme in the prior art where the filter screen is disassembled from the left and right sides of the indoor unit of the air conditioner, the scheme adopted in the utility model can prevent the left or right side of the indoor unit of the air conditioner from leaning against the wall, causing the wall to block the installation of the filter screen The case where it is impossible to remove and install. On the other hand, compared with the scheme in the prior art that the air inlet grille and the filter screen are respectively fixed to the housing, in the present utility model, the filter screen and the air inlet grille box can be partially assembled first, and then on the assembly line It only needs to install and fix the air intake grill box and the casing, so that the assembly process can be reduced and the assembly efficiency can be improved.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of an air conditioner indoor unit of the present invention;

Fig. 2 is a schematic diagram of the assembly of the intake grill box and the filter screen in Fig. 1;

Fig. 3 is a schematic diagram of the explosion structure of the inlet grill box and the filter screen in Fig. 2;

Fig. 4 is a schematic diagram of the enlarged structure of the region A in Fig. 2;

Fig. 5 is a schematic cross-sectional view of D-D direction in Fig. 2;

Figure 6 is an enlarged schematic view of area B in Figure 5;

Fig. 7 is a cross-sectional structure diagram of the B region structure in Fig. 6 in the E-E direction in Fig. 2;

Fig. 8 is a schematic structural view of the air inlet of the housing in Fig. 1;

Fig. 9 is a schematic diagram of the assembly of the intake grill box and the housing in Fig. 1;

FIG. 10 is a schematic diagram of an enlarged structure of area C in FIG. 9 .

Explanation of reference numbers:

Numbering name Numbering name 100 case 214 Connection buckle 110 Inlet 215 Plug board 140 top wall 216 hook 141 top baffle 217 Bottom latch 142 third positioning jack 218 centering pin 150 bottom wall 220 Filter bracket plate 151 Second positioning jack 221 Connection buckle 160 side wall 230 Mouth 161 side baffle 300 Filter 162 first positioning jack 310 Stencil 163 turn over 320 handle 200 Intake grill box 320 handle 210 Inlet grille 321 first link 211 storage tank 322 second link 212 fastening buckle 323 third link 213 two supporting walls 324 fastening protruding

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides an air intake grill box and an air conditioner indoor unit. In order to more clearly describe the technical features and technical effects brought about by the air intake grill box, in this embodiment, the air conditioner indoor unit adopting the above air intake grill box is taken as an example to describe in detail.

1 to 10 show an embodiment of the air conditioner indoor unit of the present invention. Among them, Fig. 1 is a structural schematic diagram of an embodiment of the air conditioner indoor unit of the present invention; Fig. 2 is a schematic diagram of the assembly of the air inlet grill box and the filter screen in Fig. 1; Fig. 3 is a schematic diagram of the assembly of the air inlet grill box and the filter screen in Fig. 2 Figure 4 is a schematic diagram of the enlarged structure of area A in Figure 2; Figure 5 is a schematic cross-sectional view of the D-D direction in Figure 2; Figure 6 is an enlarged schematic diagram of area B in Figure 5; Figure 7 is a schematic diagram of area B in Figure 6 The cross-sectional structural diagram of the regional structure in the direction of E-E in Figure 2; Figure 8 is a schematic structural diagram of the air inlet of the housing in Figure 1; Figure 9 is a schematic diagram of the assembly of the air inlet grille box and the housing in Figure 1; Figure 10 It is a schematic diagram of an enlarged structure of region C in FIG. 9 .

Please refer to Fig. 1 , the air conditioner indoor unit provided in this embodiment includes a casing 100, and the casing 100 is provided with an air inlet 110 and an air outlet (not shown). The air enters the air conditioner indoor unit from the air inlet 110, and the temperature of the air increases or decreases under the heat exchange action of the evaporator or electric heater inside, and then is blown out from the air outlet. The air inlet can also be arranged on the front side, the rear side, the left side or the right side, etc. of the air conditioner indoor unit.

Please refer to Figure 2 and Figure 3 in conjunction, preferably, the air conditioner indoor unit further includes an air intake grille box 200 and a filter screen 300, the air intake grille box 200 is connected to the housing 100 and is covered on the At the air inlet 110 , the filter 300 is detachably installed in the air inlet grill box 200 . The air intake grille box 200 includes an air intake grille plate 210 with mesh and a filter screen support plate 220 with mesh; the air intake grille plate 210 and the filter screen support plate 220 are connected, and An installation cavity (filled by the filter screen 300, not marked) is formed between the plate 210 and the filter screen support plate 220, and the cavity opening 230 positioned at the top of the inlet grill box 200 is provided in the installation cavity, and the cavity opening 230 is in the shape of strips extending left and right, and is used for installing the filter screen 300 into the installation cavity from top to bottom.

Wherein, the air inlet grille box 200 can be in the form of a flat plate, and then can be just arranged on the plane where the air inlet 110 is located; 110 places. The size of the air inlet grille box 200 can be just the same as the size of the air inlet 110 , of course, it can only cover part of the air inlet 110 , or it can be larger than the air inlet 110 . The air intake grille box 200 can be connected with the housing 100 by screwing or clamping, and these detachable connection schemes are convenient for installation and disassembly during later maintenance. The opening of the installation chamber can be opened towards the top side or towards the air intake side. The scheme where these openings are located on the top supports the installation of the filter screen 300 from the top to the bottom, and the installation from the bottom to the top. cavity.

In order to solve the technical problems mentioned in the above-mentioned background technology, in this embodiment, on the one hand, the cavity 230 of the air inlet grille box 200 is located on the top of the air inlet grille box 200, then the filter screen can be moved up and down And remove the filter. Compared with the solution in the prior art where the filter screen is disassembled from the left and right sides of the air conditioner indoor unit, the solution adopted in this embodiment can prevent the left or right side of the air conditioner indoor unit from leaning against the wall, causing the wall to block the filter screen 300. The installation port cannot be removed and installed. On the other hand, compared to the solution in the prior art that the air intake grille and the filter screen 300 are respectively fixed to the housing 100, in this embodiment, the filter screen 300 and the air intake grille box 200 can be installed first, and then It only needs to install and fix the air intake grill box 200 and the casing 100 on the assembly line, which can reduce the assembly process and improve the assembly efficiency.

The rear side of the air conditioner indoor unit is usually arranged against a wall. Preferably, the air outlet is arranged at the front side of the housing 100 to discharge air toward the front side of the air conditioner indoor unit. The air inlet 110 is arranged on the rear side of the housing 100, so the air inlet 110 of the indoor unit of the air conditioner is in an invisible hidden state. Wholeness. In this embodiment, the air inlet 110 is provided with a turbo fan (not shown) whose axis is parallel to the air inlet direction of the air inlet 110 . Of course, in other embodiments, other air intake devices such as axial fans or cross-flow rotors may also be used.

Preferably, the cavity 230 is formed on the top of the air intake grille 210 and opened toward the windward side of the air intake grille 210 . Compared with other solutions that open towards the top side of the air intake grille 210 , this embodiment can make the distance between the filter screen 300 and the rear surface of the housing 100 wider when it is disassembled and moved, so as to have a larger operating space.

Please refer to FIG. 3 , FIG. 5 and FIG. 6 , preferably, the filter screen 300 includes a screen plate 310 and a handle 320 connected to the top of the screen plate 310 . The windward surface of the air intake grille plate 210 is provided with an accommodating groove 211, and the accommodating groove 211 is arranged on the top side of the cavity opening 230, and the groove side of the accommodating groove 211 is in contact with the cavity opening 230. connected to accommodate the handle 320 of the filter 300 . The handle 320 of the filter screen 300 is accommodated by the accommodating groove 211 , so that the integrity of the screen plate 310 and the intake grille plate 210 is higher after being installed in place, and the surface is smoother.

Preferably, the handle 320 includes a first connecting section 321, a second connecting section 322 and a third connecting section 323; the first connecting section 321 is connected to the top of the net plate 310 and extends toward the top side, the The second connecting section 322 is connected with the first connecting section 321 and bends toward the air inlet side, and the third connecting section 323 is connected with the second connecting section 322 and extends toward the top side. When the filter screen 300 is installed in the intake grille box 200 and in place, the second connecting section 322 rests on the edge of the opening 230 of the installation cavity, and the third connecting section 323 exposes the installation cavity. In this embodiment, the movement of the filter screen 300 in the cavity depth direction of the installation cavity can be restricted by the second connecting section 322 being mounted on the edge of the cavity opening 230, while the third connecting section 323 reveals the cavity opening 230 to facilitate The effect of the user holding and operating.

Preferably, the wind outlet surface of the third connecting section 323 protrudes to form a fastening protrusion 324; the windward surface of the air inlet grille plate 210 protrudes to form a fastening buckle 212, and the fastening buckle The position 212 is formed at the bottom of the receiving groove 211 , and the fastening protrusion 324 abuts against the lower surface of the fastening buckle 212 . In this embodiment, the third connecting section 323 can be fixed to the air intake grille plate 210 by the fastening protrusion 324 abutting against the lower surface of the fastening buckle 212 to prevent the third connecting section 323 from swaying freely. Case.

Please refer to FIG. 7 , preferably, an operating portion 325 protrudes from the windward surface of the third connecting section 323 , and the operating portion 325 protrudes from the air inlet surface of the air inlet grill plate 210 . In this embodiment, by providing the operation part 325, the effect of facilitating the user's operation can be achieved.

Please refer to FIG. 3 and FIG. 4 in conjunction. Preferably, the left and right sides of the filter support plate 220 are protrudingly formed with connecting buckles 221 , and the connecting buckles 221 on the left and right sides face the filter support plate 220 respectively. The windward side of the extension. The air outlet surface of the air inlet grille plate 210 is protruded with two supporting walls 213 extending in the up and down direction, and the two supporting walls 213 are respectively adjacent to the left and right edges of the air outlet surface of the air inlet grille plate 210, The outer surfaces of the two supporting walls 213 are in contact with the corresponding connecting buckles 221 for positioning the filter screen support plate 220 and the intake grille plate 210 . Both the outer surfaces of the two supporting walls 213 protrude to form a connecting buckle 214, and the connecting buckle 214 is buckled with the connecting buckle 221 to connect the filter screen support plate 220 and the air intake grille. Plate 210 is fixed. In this embodiment, the filter support plate 220 and the intake grille plate 210 are connected by clipping, which has the effect of facilitating installation and positioning.

In this embodiment, further, a connection buckle 221 is also provided on the bottom side of the filter screen support plate 220; To engage with the connecting buckle 221 on the bottom side. In this embodiment, screw holes are provided on the bottom side of the filter screen support plate 220, which are used to screw the filter screen support plate 220 and the intake grille plate 210 after snapping into place, so as to achieve a more firm fixation effect. .

Please refer to Fig. 4, Fig. 8 to Fig. 10, preferably, the air outlet surface of the air inlet grille plate 210 is protruded with a plurality of inserting plates 215 and a plurality of hooks 216; the plurality of inserting plates 215 and The plurality of hooks 216 are respectively provided at the left and right edges of the air outlet surface of the air inlet grille 210 .

The air inlet 110 includes a top wall 140 , a bottom wall 150 and two side walls 160 .

The inner ends of the two side walls 160 respectively protrude toward the air inlet 110 to form two side baffle plates 161, and the side baffle plates 161 abut against the side edges of the air inlet grille plate 210; A first positioning insertion hole 162 is opened on the resisting plate 161 , and the first positioning insertion hole 162 is inserted into the inserting plate 215 of the intake grille plate 210 . In this embodiment, the board surface of the board 215 extends in the vertical direction, and the width of the first positioning jack 162 in the vertical direction is larger than the width of the board 215 in the vertical direction, that is, the board 215 is inserted into the first positioning plug. The holes 162 mainly limit movement in the left and right directions.

A flange 163 bent toward the air inlet direction is formed at the end of the side resisting plate 161 , and the edge of the flange 163 is buckled with the hook 216 of the air inlet grille 210 . Of course, in other embodiments, it is also possible that the side resisting plate 161 is provided with a bayonet, and the bayonet is engaged with the hook 216. Compared with this solution, in this embodiment, the structural strength can be strengthened by setting the flange 163, The edge of the flange 163 is engaged with the buckle hook 216 , so that the flange 163 has multiple functions.

Preferably, a plurality of bottom pins 217 protrude from the bottom end surface of the intake grille plate 210, and a second positioning socket 151 is opened on the bottom wall 150, and the second positioning socket 151 is connected to the The bottom pins 217 of the intake grille 210 are engaged. The protrusion of the air outlet surface of the air inlet grille plate 210 is formed with a centering positioning pin 218, and the centering positioning pin 218 is arranged at the top edge of the air outlet surface of the air inlet grille plate 210; The inner end of the top wall 140 protrudes toward the air inlet 110 to form a top resisting plate 141, and the top resisting plate 141 abuts against the top edge of the air intake grille plate 210; A third positioning insertion hole 142 is opened, and the third positioning insertion hole 142 is inserted into the centering positioning pin 218 of the intake grille plate 210 . In this embodiment, the centering positioning pin 218 has a cylindrical shape as a whole, and when the centering positioning pin 218 is inserted into the third positioning insertion hole 142 , the air inlet grill plate 210 and the housing 100 will be completely restricted. The positioning method in this embodiment can have a strong position control ability, thereby ensuring that the four side end faces of the air inlet grille plate 210 are respectively connected with the air inlet 110 including the top wall 140, the bottom wall 150 and the two side walls 160. The gap can achieve better surface smoothing effect.

In this embodiment, first align and insert the bottom pin 217 of the air intake grille plate 210 with the second positioning socket 151; The first positioning socket 162 will be inserted first, and finally, when the plate 215 and the first positioning socket 162 limit the movement in the left and right direction, the centering positioning pin 218 will be inserted into the third positioning socket 142, thereby completing Move in all directions, so far the installation of the intake grille plate 210 and the casing 100 is completed. This installation process has the effect of easy installation and convenient installation. Further, screw holes may be added to the air intake grille plate 210 so as to be screwed to the casing 100 , so that the connection between the air intake grille plate 210 and the casing 100 is stronger.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (11)

1. An air intake grill box, characterized in that it is installed at the air inlet of an air conditioner indoor unit, and the air intake grill box includes an air intake grill plate with mesh and a filter screen support plate with mesh; The air intake grille plate is connected to the filter screen support plate, and an installation cavity is formed between the air intake grille plate and the filter screen support plate, and the installation cavity has a cavity located at the top of the air intake grille box The mouth is in the shape of strips extending left and right, for the filter to be loaded into the installation chamber from top to bottom. 2 . The air intake grille box according to claim 1 , wherein the cavity is formed on the top of the air intake grille plate and is opened towards the windward side of the air intake grille plate. 3 . 3. The air intake grill box according to claim 2, wherein the windward surface of the air intake grill plate is provided with accommodating grooves, and the accommodating grooves are arranged on the top side of the cavity opening, The groove side of the accommodating groove communicates with the cavity for accommodating the handle of the filter net. 4. The air intake grill box according to claim 3, wherein the windward surface of the air intake grill plate protrudes to form a fastening buckle, and the fastening buckle is formed in the accommodating The groove bottom of the groove, and the lower surface of the fastening buckle are used to abut against the handle of the filter net. 5. The air intake grille box according to claim 1, characterized in that, the left and right sides of the filter support plate protrude to form connecting buckles, and the connecting buckles on the left and right sides respectively face toward the filter The windward side extension of the net support plate; The air outlet surface of the air inlet grille is protruded with two supporting walls extending in the vertical direction, and the two supporting walls are respectively adjacent to the left and right edges of the air outlet surface of the air inlet grille. The outer surface of the wall abuts against the respective corresponding connection buckles to locate the filter screen support plate and the intake grille plate; Both the outer surfaces of the two supporting walls protrude to form connecting buckles, and the connecting buckles are buckled with the connecting buckles to fix the filter screen support plate and the intake grille plate. 6. The air inlet grille box according to claim 1, characterized in that, the air outlet surface of the air inlet grille is protruded with a plurality of inserting plates and a plurality of hooks; the plurality of inserting plates and The plurality of hooks are respectively provided at the left and right edges of the air outlet surface of the air inlet grille; the inserting plate is used to be inserted into the first positioning jack of the indoor unit of the air conditioner; the hooks are used to Fasten with the buckle of the air conditioner indoor unit. 7. The air inlet grill box according to claim 1, wherein the bottom end surface of the air inlet grill plate protrudes and forms a plurality of bottom pins for connecting with the second positioning jack of the indoor unit of the air conditioner. Insertion; the protrusion of the air outlet surface of the air inlet grille plate is formed with a centering positioning pin, and the centering positioning pin is arranged at the top edge of the air outlet surface of the air inlet grille plate for It is mated with the third positioning jack of the indoor unit of the air conditioner. 8. An air-conditioning indoor unit, comprising a housing, and an air inlet and an air outlet are opened on the housing, characterized in that the air-conditioning indoor unit also includes an air inlet grid box and a filter screen, and the air inlet The grill box is connected to the housing and is covered at the air inlet, the filter screen is detachably installed in the air inlet grill box, and the air inlet grill box is any one of claims 1 to 7 Inlet grille box as described in item. 9. The air conditioner indoor unit according to claim 8, wherein the air outlet is arranged on the front side of the casing, the air inlet is arranged on the rear side of the casing, and the inside of the air inlet A turbo fan whose axis is parallel to the air inlet direction of the air inlet is provided. 10. The air conditioner indoor unit according to claim 8, wherein the air inlet comprises a top wall, a bottom wall and two side walls; The inner ends of the two side walls respectively protrude toward the air inlet to form two side baffle plates, and the side baffle plates abut against the side edges of the air intake grille; a first positioning jack, the first positioning jack is inserted into the inserting plate of the air intake grille; The end of the side baffle plate is formed with a flanging bent toward the air inlet direction, and the edge of the flanging is fastened with the hook of the air inlet grille; The bottom wall is provided with a second positioning jack, and the second positioning jack is inserted into the bottom pin of the air intake grille; The inner end of the top wall protrudes toward the air inlet to form a top resisting plate, and the top resisting plate abuts against the top edge of the air intake grille plate; a third positioning is provided on the top resisting plate. The third positioning socket is inserted into the centering positioning pin of the intake grille plate. 11. The air conditioner indoor unit according to claim 8, wherein the filter screen comprises a net plate and a handle connected to the top of the net plate; the handle comprises a first connecting section, a second connecting section and a second connecting section. Three connecting sections; the first connecting section is connected to the top of the grid plate and extends toward the top side, the second connecting section is connected to the first connecting section and bends toward the air inlet side, and the third connecting section a segment is connected to the second connecting segment and extends toward the top side; When the filter screen is installed in the inlet grill box, the second connection section is mounted on the edge of the opening of the installation cavity, the third connection section exposes the installation cavity, and the first connection section is exposed to the installation cavity. The wind outlet surface of the three connecting sections protrudes to form a fastening protrusion, and the fastening protrusion abuts against the lower surface of the fastening buckle of the air inlet grille plate; the windward surface of the third connecting section protrudes An operation part is formed, and the operation part protrudes from the air inlet surface of the air inlet grill plate.