CN114811748A - Air conditioner indoor unit - Google Patents

Abstract

The invention discloses an air conditioner indoor unit, comprising a casing, a filter screen device, a dust removal device, a drive device and a bolt. The filter screen device includes a bracket and a filter screen arranged on the bracket, and an installation slot is provided on the front side of the bracket; The device is installed in the installation groove. The dust removal device includes a dust collecting box and a roller brush. The two ends of the roller brush are rotated and pass through the left and right sides of the dust collecting box respectively. The end has a socket, and one end of the roller brush is slidably inserted into the socket, and can rotate with the power output end of the driving device to clean the filter screen; the bolt is used to realize the detachable connection between the dust collecting box and the bracket; among them, the dust collecting There is a disassembly and assembly gap between the end of the box facing away from the driving device and the inner wall surface of the installation groove. When the bolt releases the connection between the dust box and the bracket, the dust box can move toward the end of the disassembly gap along the axis of the roller brush. slide, and then drive the roller brush to slide, so that the roller brush slides out of the socket.

Description

An air conditioner indoor unit

technical field

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

Background technique

At present, the air inlet of the indoor unit of the wall-mounted air conditioner is provided with a filter screen, and the filter screen is used to filter the air sucked into the indoor unit, so as to improve the indoor air quality and ensure the normal operation of the indoor unit. In order to avoid secondary pollution of the indoor air caused by the dust on the filter, the user needs to clean the dust on the filter regularly, but the filter needs to be manually removed before cleaning, which is a cumbersome process.

For this reason, some existing indoor units are provided with rotatable roller brushes. By driving the filter screen to reciprocate along a preset trajectory, the roller brushes are in contact with the filter screen. The roller brushes are used to automatically clean the dust on the surface of the filter screen and then collect them uniformly. , to realize automatic cleaning of dust on the surface of the filter screen, and the operation is intelligent and convenient. A detachable dust collecting box is installed on the front side of the indoor unit, and the dust collecting box is used to collect the dust brushed by the roller brush, and then the roller brush and the dust collecting box are placed outdoors for dust removal. However, the disassembly and assembly methods of the roller brush and the dust collecting box in the prior art are relatively independent and cumbersome, which leads to the phenomenon of ash fall off during the disassembly process of the roller brush, which causes secondary pollution to the indoor environment and reduces the user experience.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an air conditioner indoor unit, the roller brush and the dust collecting box can be disassembled at the same time, and the disassembly and assembly structure is simple and convenient, so as to avoid the phenomenon of dust falling during the disassembly process, and ensure the cleanness of indoor air.

In order to achieve the above purpose, the present invention provides an air conditioner indoor unit, comprising:

a casing, the top of the casing is provided with an air inlet;

a filter screen device, the filter screen device is arranged in the casing and covers the air inlet, the filter screen device comprises a bracket and a filter screen arranged on the bracket, and an installation slot is opened on the front side of the bracket;

a dust removal device, the dust removal device is arranged in the installation groove, and the dust removal device comprises a dust collecting box and a roller brush, and the two ends of the roller brush are respectively rotatably installed on the left and right sides of the dust collecting box;

A driving device, the driving device is arranged outside one side of the bracket, the power output end of the driving device has a socket, and one end of the roller brush is slidably inserted into the socket, and can follow the driving device The power output end rotates to clean the filter screen;

a bolt, the bolt is used to realize the detachable connection between the dust box and the bracket;

Wherein, there is a disassembly and assembly gap between the end of the dust box facing away from the driving device and the inner wall surface of the installation groove. When the bolt releases the connection between the dust box and the bracket, the The dust collecting box can slide along the axial direction of the roller brush toward an end close to the disassembly and assembly gap, thereby driving the roller brush to slide, so that the roller brush slides out of the socket.

In some embodiments, two of the filter devices, two of the dust removal devices, two of the driving devices, and two of the bolts, two of the filter devices, two of the dust removal devices are included. , The two drive devices and the two bolts are in one-to-one correspondence, the two filter devices are arranged in the housing at intervals along the left-right direction, and the two drive devices are respectively arranged on the outer side of the housing. left and right.

In some embodiments, the drive device includes:

a motor, the power output end of the motor is sleeved with a driving gear;

A first driven gear, the first driven gear is engaged with the driving gear, and the socket is arranged on the first driven gear.

In some embodiments, the roller brush includes:

A first rotating shaft, the two ends of the first rotating shaft are respectively rotated through the left and right sides of the dust collecting box, one end of the first rotating shaft has an inserting part, and the outer periphery of the inserting part is spaced apart There are a plurality of limiting protrusions, and the cross-sectional shape of the socket is adapted to the cross-sectional shape of the first rotating shaft;

The roller brush cylinder is sleeved on the first rotating shaft, and the roller brush cylinder is in rolling contact with the filter screen to clean the filter screen.

In some embodiments, the screen device further includes a roller disposed in the support, two ends of the roller are respectively rotated and passed through opposite sides of the support, and the roller is located in the support. above the dust box;

The drive device also includes:

A second driven gear, the second transmission gear is engaged with the driving gear, one end of the roller is penetrated through the second driven gear, and the roller can rotate to drive the filter mesh along the The preset path reciprocates.

In some embodiments, the left and right sides of the bracket are respectively provided with slideways, the two slideways are arranged oppositely, and the left and right sides of the filter screen are provided in each of the slideways in a one-to-one correspondence, and the rollers The cylinder drives the filter screen to reciprocate along the slideway.

In some embodiments, the roller includes:

a second rotating shaft, two ends of the second rotating shaft are respectively rotatably passed through the left and right sides of the bracket, and one end of the second rotating shaft is passed through the second driven gear;

a cylindrical body, the cylindrical body is sleeved on the second rotating shaft;

Two gears, the two gears are respectively located at the two ends of the cylinder and sleeved on the second rotating shaft, and the left and right sides of the filter screen are respectively provided with racks that engage with the gears department.

In some embodiments, the slideway includes a first slide groove and a second slide groove arranged in sequence along the up-down direction, and the first slide groove and the second slide groove respectively extend in the front-rear direction;

The front end of the first chute and the front end of the second chute are smoothly connected, and the rear end of the first chute and the rear end of the second chute are respectively close to the rear side of the housing, and Set at intervals in the up and down direction.

In some embodiments, a bolt groove is provided on a side of the casing away from the disassembly and assembly gap, the bolt is slidably arranged in the bolt groove, and the bolt can be connected to the second position in the first position. Swipe between positions;

When the bolt is located at the first position, a part of the bolt abuts against the front side of the dust box to limit the separation of the dust box and the bracket; when the bolt When the member is located at the second position, the bolt is separated from the dust box to release the connection between the dust box and the bracket.

In some embodiments, a handle protrusion is provided at one end of the dust collecting box close to the disassembly and assembly gap, and a first handle groove is provided on a side of the handle protrusion away from the driving device.

Compared with the prior art, an air conditioner indoor unit of the present invention has the beneficial effects of:

Since the driving device is arranged outside the bracket, one end of the roller brush can be slidably inserted into the socket of the driving device after passing through the bracket. Release the connection between the dust box and the bracket, so that the dust box can slide left and right in the installation slot. It slides out in the middle, so that the roller brush and the dust collecting box can be removed at the same time, so as to avoid the phenomenon of dust loss caused by the separate removal of the roller brush, and ensure the cleanness of the indoor environment. When the dust box and the roller brush need to be fixed on the bracket, drive the dust box and the roller brush to slide to the end away from the disassembly and assembly gap, so that the end of the dust box is inserted into the socket of the driving device, so that the roller brush can follow The power output shaft of the driving device rotates to drive the roller brush to clean the filter screen. The dust removal device and the driving device of the present invention have strong detachability, which can effectively avoid the phenomenon of dust falling during the disassembly and assembly of the roller brush or the dust collecting box, which is beneficial to improve the user's experience.

Description of drawings

1 is a schematic structural diagram of an air conditioner indoor unit according to some embodiments of the present invention;

FIG. 2 is a schematic structural diagram of an indoor unit of an air conditioner according to some embodiments of the present invention, and the end plate of the casing is omitted from the figure;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the sectional view along AA in Fig. 3;

Fig. 5 is the exploded schematic diagram of Fig. 2;

6 is a schematic structural diagram of a filter screen device, a dust removal device and a driving device according to some embodiments of the present invention;

Fig. 7 is the structural schematic diagram of Fig. 6 in another angle of view;

Fig. 8 is the left side view of Fig. 6;

FIG. 9 is a cross-sectional view along BB in FIG. 8;

FIG. 10 is a schematic structural diagram showing a bracket is omitted in FIG. 6;

Figure 11 is a front view of Figure 10;

Figure 12 is a sectional view taken along CC in Figure 11;

Fig. 13 is the exploded schematic diagram of Fig. 10;

FIG. 14 is an exploded schematic diagram of a driving device according to some embodiments of the present invention;

15 is a schematic structural diagram of a stent according to some embodiments of the present invention;

Figure 16 is a front view of Figure 15;

Figure 17 is a sectional view taken along DD in Figure 16;

18 is a schematic structural diagram of a filter screen according to some embodiments of the present invention;

Fig. 19 is an enlarged view of part E in Fig. 18;

Fig. 20 is an enlarged view of part F in Fig. 19;

21 is a schematic structural diagram of a dust removal device according to some embodiments of the present invention, in which the box cover closes the dust outlet;

22 is a schematic structural diagram of a dust removal device according to some embodiments of the present invention, in which the box cover is opened with a dust outlet;

Figure 23 is an exploded schematic diagram of a dust removal device according to some embodiments of the present invention;

24 is a schematic structural diagram of a box body and a dust baffle according to some embodiments of the present invention;

25 is a schematic structural diagram of a box cover according to some embodiments of the present invention;

26 is a schematic structural diagram of a slider according to some embodiments of the present invention;

In the figure,

1. Shell; 11. Air inlet; 12. Front panel; 121. Installation port; 13. Top plate; 14. End plate; 15. Bolt slot;

2. Filter device; 21. Bracket; 211, Receiving slot; 212, Ventilation port; 213, Slideway; 2131, First chute; 2132a, the second arc segment; 2132b, the third arc segment; 2132c, the second horizontal segment; 214, the installation slot; 215, the first support rod; 216, the second support rod; 22, the filter Net; 221, net frame; 2211, hollow part; 2212, rack part; 2213, flange; 2214, notch; 2215, first support bar; 2216, second support bar; 2216a, support protrusion; 2217, reinforcement tooth; 2218, insert protrusion; 222, filter screen; 23, roller; 231, second shaft; 232, cylinder; 233, gear;

3. Dust removal device; 31. Dust collection box; 311, Box body; 3111, Dust inlet; 3112, Dust outlet; 3113, Jack; Handle groove; 312, box cover; 3121, slider groove; 3122, perforation; 3123, perforation; 3124, limit recess; 3125, second handle groove; 3126, handle protruding strip; 313, sliding block; 3131, buckle; 3132, latch part; 3133, slot; 314, dust shield; 3141, dust shield groove; 32, rolling brush; 321, first shaft; 3211, inserting part; 3211a, limit Position convex part; 322, roller brush cylinder;

4. Drive device; 41, Motor; 42, Drive gear; 43, First driven gear; 431, Socket; 44, Second driven gear; 45, Protective shell; 451, Bottom shell;

5. Bolts;

6. Cross flow fan;

7. Heat exchanger;

10. Disassembly clearance.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

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

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

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

Referring to FIGS. 1 to 26 , the indoor unit of the air conditioner according to the embodiment of the present invention includes a casing 1 , a filter device 2 , a dust removal device 3 , a driving device 4 and a bolt 5 . The air conditioner indoor unit in the embodiment of the present invention is a wall-mounted air conditioner indoor unit, and the outline of the casing 1 is generally a long three-dimensional shape, that is, the length of the casing 1 is greater than its height or width.

Please refer to FIGS. 1 to 5 , the casing 1 is formed with a chamber for accommodating the cross-flow fan 6 and the heat exchanger 7 of the air conditioner indoor unit, and the casing 1 is provided with an air inlet 11 at the top and an air outlet ( (not shown in the figure), when the cross-flow fan 6 is running, the indoor air is sucked into the chamber through the air inlet 11 at the top of the casing 1, and then passes through the heat exchanger 7 to form cold air or hot air, and then returns to the room from the air outlet. Specifically, the housing 1 includes a front panel 12, a top panel 13, a back panel (not shown in the figure), a bottom panel (not shown in the figure), and two end panels 14 located on the left and right sides of the front panel 12, respectively. The front panel 12, the top panel 13. The back plate, the bottom plate and the two end plates 14 together form a chamber, the air inlet 11 is located on the top plate 13, the air inlet 11 is basically square and the number of air inlets 11 is two, and the two air inlets 11 are in the left and right direction interval setting. At the same time, each air inlet 11 is provided with an air inlet grille, which is used to prevent objects with a large volume from entering the interior of the casing 1 from the air inlet 11 . The air outlet is located on the bottom plate, and a rotatable air deflector (not shown in the figure) is arranged at the air outlet to adjust the air outlet direction to meet the needs of users. The front panel 12 is provided with an installation port 121 that communicates with the chamber. The number of the installation ports 121 is two, and the positions of the installation ports 121 correspond to the positions of the air inlets 11 one-to-one.

The filter device 2 is arranged in the cavity of the casing 1 and covers the air inlet 11 . Please refer to FIGS. 6 to 13 and FIGS. 15 to 18 , the filter device 2 includes a bracket 21 , a filter 22 and a roller 23 .

4-8, 15-17, the rear side of the bracket 21 is in an arc-shaped concave shape, and the cross-flow fan 6 and the heat exchanger 7 of the air conditioner indoor unit are arranged on the rear side of the bracket 21. The rear side of the bracket 21 is provided with an accommodating slot 211 , and the top of the bracket 21 is provided with a vent 212 corresponding to the position of the air inlet 11 . The air vent 212 and the accommodating groove 211 are then sent out from the air outlet. The left and right inner side walls of the accommodating groove 211 are respectively provided with slideways 213 , and the two slideways 213 are arranged opposite to each other. The left and right sides of the filter screen 22 are arranged in each slideway 213 in a one-to-one correspondence.

It should be noted that, in the embodiment of the present invention, the front side refers to the side of the air conditioner indoor unit close to the user, and the rear side refers to the side of the air conditioner indoor unit away from the user. Extends in the direction of the side facing away from the user. The upper side is the position where the indoor unit of the air conditioner is away from the ground, and the lower side is the position where the indoor unit of the air conditioner is close to the ground. Therefore, the vertical direction means that the air conditioner extends from the side away from the ground to the side close to the ground.

Specifically, please refer to FIG. 4 and FIG. 17 , the slideway 213 includes a first chute 2131 and a second chute 2132 arranged in sequence along the up-down direction, and the front end of the first chute 2131 includes a first arc-shaped segment 2131a that is bent upwards , the front end of the second chute 2132 includes a second arc segment 2132a and a third arc segment 2132b arranged in the front-rear direction, the second arc segment 2132a is bent downward, the third arc segment 2132b is bent upward, and the first arc segment 2132b is bent upward. The shaped segment 2131a, the second arc-shaped segment 2132a and the third arc-shaped segment 2132b are connected in sequence, and by optimizing the movement track of the slideway 213, the movement space of the filter screen 22 in the accommodating groove 211 is reduced, so that the assembly volume can be reduced. The larger heat exchanger 7 effectively increases the volume of the heat exchanger 7 and increases the heat exchange area to improve the heat exchange effect. The front side of the bracket 21 is provided with an installation groove 214 , and the rear side of the installation groove 214 communicates with the accommodating groove 211 .

The first chute 2131 further includes a first horizontal section 2131b disposed at the rear end of the first arc section 2131a, the second chute 2132 further includes a second horizontal section 2132c disposed at the rear end of the third arc section 2132b, the first horizontal section The 2131b and the second horizontal section 2132c respectively extend to the rear side wall of the casing 1 and are arranged at intervals along the up-down direction. When the indoor unit of the air conditioner is in a cooling state or a heating state, the filter screen 22 is in the first chute 2131, and the distance between the filter screen 22 and the heat exchanger 7 is relatively large, which increases the heat exchange space and is conducive to improving the heat exchange effect. . When the air conditioner indoor unit is in the dust removal state, the filter screen 22 slides from the first chute 2131 to the second chute 2132 or from the second chute 2132 to the first chute 2131, and the dust removal device 3 cleans the surface of the filter screen 22 of dust.

Further, the heat exchanger 7 is located on the rear side of the notch of the accommodating groove 211, the outer side of the heat exchanger 7 is bent upward, and the top of the heat exchanger 7 is arranged close to the third arc-shaped section 2132b and the second horizontal section 2132c, which is sufficient The heat exchange area of the heat exchanger 7 is increased by utilizing the installation space in the casing 1 . The structure of the heat exchanger 7 of the present invention is the same as that of the heat exchanger of the indoor unit of the air conditioner in the prior art, and details are omitted here.

The first chute 2131 is disposed close to the ventilation opening 212 , and the upper side wall of the first horizontal section 2131b and the upper side wall of the rear end of the first arc section 2131a respectively penetrate through the top of the bracket 21 , so that the filter screen 22 can be sequentially removed from the air inlet 11 . The rear end and the rear end of the air vent 212 are inserted into the first chute 2131 , so that the filter screen 22 can be detachably assembled into the chute 213 .

The bracket 21 is provided with a plurality of first support rods 215 and a plurality of second support rods 216 . The two ends of each first support rod 215 are respectively connected with the left and right inner walls of the accommodating groove 211 . The rods 215 are arranged at intervals along the lower side edge of the first chute 2131; the two ends of each second support rod 216 are respectively connected with the left and right inner walls of the accommodating groove 211, and a plurality of second support rods 216 are arranged along the second The lower side edges of the chute 2132 are arranged at intervals in sequence. When the filter screen 22 slides in the first chute 2131, the first support rod 215 supports the bottom of the filter screen 22 to prevent the middle of the filter screen 22 from being deformed due to gravity, and to improve the ability of the filter screen 22 to slide in the first chute. Sliding smoothness in the 2131; on the same principle, when the filter 22 slides in the second chute 2132, the second support rod 216 supports the bottom of the filter 22 to prevent the middle of the filter 22 from occurring due to gravity. The deformation improves the sliding smoothness of the filter screen 22 in the second chute 2132 .

The bracket 21 can be a plastic integral piece prepared by an injection molding process, the preparation process is simple and convenient, and the preparation efficiency is high.

18-20 , the filter screen 22 includes a mesh frame 221 and a filter screen 222 . A hollow portion 2211 is formed in the central area of the mesh frame 221 . A rack portion 2212 is provided, and the left and right edges of the mesh frame 221 are respectively extended outward to form flanges 2213. Each flange 2213 is provided with a plurality of notches 2214 arranged at intervals in the up and down direction, and the left and right sides of the mesh frame 221 are formed with flanges 2213. The positions of the notches 2214 on the flanges 2213 on both sides correspond one by one; the filter screen 222 is arranged on the mesh frame 221 and covers the hollow part 2211; By cooperating with the mesh frame 221 , the filter mesh 22 is driven to reciprocate along the slideway 213 . When the mesh frame 221 slides back and forth between the first arc-shaped section 2131a and the second arc-shaped section 2132a, the edges on both sides of the mesh frame 221 can be elastically deformed along the gap 2214 to increase the inward force of the mesh frame 221, thereby increasing the The overall flexibility of the filter screen 22 reduces the sliding resistance of the filter screen 22, so that the filter screen 22 slides back and forth between the first arc-shaped section 2131a and the second arc-shaped section 2132a more smoothly.

In order to ensure the smoothness of the filter mesh 22 sliding back and forth between the first arc section 2131a and the second arc section 2132a, the mesh frame 221 is made of soft plastic by injection molding. The mesh 222 is attached to the mesh frame 221 to form an integrated structure, and the mesh frame 221 and the filter screen 222 are formed into an integrated structure through an injection molding process to improve the overall firmness of the filter mesh 22 .

The hollow portion 2211 is provided with a plurality of first support bars 2215 , two ends of each first support bar 2215 are respectively connected to the left and right sides of the hollow portion 2211 , and the positions of the plurality of first support bars 2215 correspond to the respective positions of the first support bars 2215 on the flange 2213 . The positions of the notches 2214 correspond one-to-one. The plurality of first support bars 2215 increase the overall strength of the mesh frame 221 , and prevent the filter mesh 222 located in the hollow portion 2211 from being bent and collapsed, thereby ensuring the structural stability of the filter mesh 22 . The rear side of the first support bar 2215 is an arc-shaped surface or a plane surface.

The hollow portion 2211 is provided with a second support bar 2216. Two ends of the second support bar 2216 are respectively connected to the upper and lower sides of the hollow portion 2211. The rear side of the second support bar 2216 is provided with a plurality of supporting bars 2216 arranged at intervals in the up and down direction. A plurality of first support bars 2215 are connected to the second support bars 2216 respectively. The number of the second support bars 2216 is multiple, and the plurality of second support bars 2216 are arranged at intervals along the left-right direction; each second support bar 2216 and each first support bar 2215 are arranged perpendicular to each other to divide the hollow portion 2211 into a plurality of square-shaped hollow openings. When the roller 23 drives the filter screen 22 to reciprocate along the slideway 213, the outer peripheral wall of the rolling roller 23 abuts against the support protrusion 2216a, thereby supporting the middle of the filter screen 22 and preventing the middle part of the filter screen 22 When bending and collapse occurs, the stability of the reciprocating motion of the filter screen 22 along the slideway 213 is ensured.

Among them, the first support bar 2215 and the second support bar 2216 are respectively soft plastics, and the grid 221, the plurality of first support bars 2215 and the second support bars 2216 are formed into one piece by injection molding process, which has high manufacturing efficiency and low cost. .

The flange 2213 is provided with a plurality of reinforcing tooth portions 2217 arranged at intervals along the vertical direction. The positions of the plurality of reinforcing tooth portions 2217 correspond to the positions of the tooth bodies on the rack portion 2212 one by one. A corresponding pair is connected to each tooth body on the rack portion 2212 , thereby increasing the contact area between the mesh frame 221 and the roller 23 and improving the stability of the movement of the filter screen 22 .

The upper and lower sides of the rear side of the mesh frame 221 are respectively provided with insertion protrusions 2218, and the insertion protrusions 2218 extend outward to form a sharp part protruding from the edge of the mesh frame 221, and the thickness of the sharp part is small, reducing the mesh frame. The thickness of the upper and lower ends of the 221 facilitates the insertion of the upper or lower side of the filter screen 22 into the first chute 2131 , thereby reducing the difficulty of assembling the filter screen 22 in the chute 213 .

Please refer to FIGS. 6-13 , the roller 23 includes a second rotating shaft 231 , a cylindrical body 232 and two gears 233 . Both ends of the second rotating shaft 231 are rotated through the left and right sides of the bracket 21 respectively, and the cylindrical body 232 is inside The cylindrical body 232 is hollow and has openings at both ends. The cross-street surface of the cylindrical body 232 is circular. The cylinder body 232 is sleeved on the second rotating shaft 231 and rotates synchronously with the second rotating shaft 231 . The two gears 233 are respectively located at both ends of the cylinder body 232 and sleeved on the second rotating shaft 231 . The rotating shaft 231 rotates synchronously, and the teeth on the two gears 233 are engaged with the rack portions 2212 on the left and right sides of the grid 221 respectively, and the second rotating shaft 231 , the roller 23 and the two gears 233 are driven to rotate by the driving device 4 . In order to drive the filter screen 22 to reciprocate along the slideway 213 .

The dust removal device 3 is detachably installed in the installation groove 214 from the installation opening 121 . Please refer to Fig. 6-Fig. 13 and Fig. 21-Fig. 26. The dust removal device 3 includes a dust collecting box 31 and a roller brush 32. The brush 32 cleans the dust on the surface of the filter 22 after the brush 32 contacts the filter 22. The dust is recovered into the dust box 31 under the action of gravity. The dust box 31 is removed from the bracket 21 and placed outdoors for reprocessing to avoid dust. dropped indoors.

21-26, the dust collecting box 31 includes a box body 311, a box cover 312 and a slider 313. The box body 311 has a dust collecting cavity, and the top of the box body 311 is provided with a dust inlet 3111 which communicates with the dust collecting cavity. , the filter screen 22 and the roller 23 are located above the dust inlet 3111, the front side wall of the box body 311 is provided with a dust outlet 3112 which is connected to the dust collection chamber, and the dust collection chamber is provided with a plug along the edge of the dust outlet 3112. Hole 3113; the top of the box cover 312 is pivotally connected to the front side of the box body 311 to open or close the dust outlet 3112. Specifically, the left and right sides of the box cover 312 are respectively provided with pivots, and the left and right sides of the installation slot 214 are respectively Pivot holes for coordinating with each pivot shaft are provided. The sliding block 313 is slidably disposed on the bottom of the front side of the box cover 312 . When the box cover 312 closes the dust outlet 3112 , one end of the sliding block 313 is inserted into the insertion hole 3113 . When the indoor unit of the air conditioner is in the dust-removing state, one end of the slider 313 is inserted into the socket 3113, so that the box cover 312 closes the dust outlet 3112. The port 3111 is recovered into the dust collection chamber. When the indoor unit of the air conditioner stops running, remove the dust box 31 and the roller brush 32 from the bracket 21 and place them outdoors, and drive the slider 313 to slide so that one end of the slider 313 is pulled out from the socket 3113, so that the box The cover 312 rotates relative to the box body 311, and the dust located in the dust collecting chamber can be completely discharged from the dust outlet 3112, which improves the discharge efficiency and discharge effect of the dust in the dust collecting box 31, and the operation is simple and convenient, avoiding the dust falling into the room and causing damage. cause secondary pollution.

The bottom of the front side of the box cover 312 is provided with a slider slot 3121, and the inner side wall of the slider slot 3121 is provided with a through hole 3122 opposite to the position of the insertion hole 3113. The slider 313 is slidably arranged in the slider slot 3121 and slides. One end of the block 313 passes through the through hole 3122 to be inserted into the insertion hole 3113 .

The bottom of the slider slot 3121 is provided with a through hole 3123 penetrating the rear side wall of the box cover 312 , the slider 313 is provided with a snap 3131 extending backward, and the snap 3131 passes through the through hole 3123 to be fastened to the box cover 312 the rear side wall. The number of the buckles 3131 is two, and the two buckles 3131 are respectively disposed on the rear side of the slider 313 in the up-down direction. The assembly method of the slider 313 in the slider slot 3121 is as follows: insert the rear side of the slider 313 into the slider slot 3121 from one end of the slot of the slider slot 3121, and the snap 3131 passes through the through hole 3123 and is connected to the box cover 312. The rear sidewalls of the sliders 3131 are mutually locked, so as to restrict the slider 313 from being pulled out from the slider slot 3121 of the slider slot 3121 , and does not affect the slider 313 sliding in the slider slot 3121 .

One end of the slider 313 is provided with a pin portion 3132, the pin portion 3132 passes through the through hole 3122 to be inserted into the insertion hole 3113, and a slot 3133 is provided on the front side wall of the other end of the slider 313, and the size of the slot 3133 can be For inserting the user's finger, it is convenient for the user to insert the finger into the slot 3133 to drive the sliding block 313 to slide.

The rear side wall of the dust collecting chamber is provided with a dust baffle 314 extending in the left and right direction. The provided dust retaining groove 3141. When the dust enters the dust collecting chamber from the dust inlet 3111, in order to prevent the dust in the dust collecting chamber from being subjected to the negative pressure in the casing 1 and entering the cross-flow fan 6 from the gap at the top of the rear side of the dust collecting box 31, the dust baffle 314 effectively blocks the dust. The dust floating in the dust collecting cavity, and the dust blocking groove 3141 makes the front side wall of the dust blocking plate 314 have a continuous uneven shape, which effectively increases the dust blocking effect of the dust blocking plate 314 and avoids the dust in the dust collecting box 31. Dust enters the cross-flow fan 6 .

Limiting protruding strips 3114 extending in the left-right direction are provided on the lower side wall of the dust collecting chamber, and limiting concave portions 3124 that cooperate with the limiting protruding strips 3114 to limit the position are provided on the rear sidewall of the box cover 312 . When the limiting concave portion 3124 abuts on the limiting protruding strip 3114, the box cover 312 completely closes the dust outlet 3112, and the limiting protruding strip 3114 is used to prevent the box cover 312 from turning excessively during the process of closing the dust outlet, and plays a positioning role.

The insertion hole 3113 is set on the left or right side wall of the dust collection chamber. At this time, the slider slot 3121 extends in the left and right direction, and the slider 313 is slid in the slider slot 3121 in the left and right direction. The front side of the box body 311 A handle protrusion 3115 is formed protruding from the wall near the insertion hole 3113 , and a first handle groove 3115 a is formed on the handle protrusion 3115 . When the user needs to remove the dust collecting box 31 from the installation groove 214, the user inserts his finger into the first handle groove 3115a, so as to drive the entire dust collecting box 31 to move in the front-rear direction.

The front side wall of the box cover 312 is provided with a second handle groove 3125, and the box cover 312 is provided with a handle protruding strip 3126 extending in the left-right direction along the lower side edge of the second handle groove 3125. The 3126 is gradually bent upward, and the handle protruding strip 3126 is used for the user to drive the box cover 312 to rotate relative to the box body 311, so as to realize the opening or closing of the dust outlet 3112 by the box cover 312.

Please refer to FIGS. 9-13 and 21-22. The roller brush 32 includes a first rotating shaft 321 and a roller brush cylinder 322. The brush cylinder 322 is hollow inside and has openings at both ends. A plurality of brushes (the brushes can be hard brushes or soft brushes) are arranged on the outer peripheral wall of the brush cylinder 322. The brush cylinder 322 is sleeved on the first The rotating shaft 321 rotates synchronously with the first rotating shaft 321 , and the first rotating shaft 321 is driven by the driving device 4 to rotate to drive the brush cylinder 322 to rotate, so that the brush cylinder 322 is in rolling contact with the filter screen 22 to clean the filter screen 22 .

In order to prevent the dust on the roller brush 32 from falling into the room, the roller brush 32 needs to be removed from the installation slot 214 together with the dust collecting box 31 . Specifically, please refer to FIGS. 9-13 , the driving device 4 is arranged outside one side of the bracket 21 , the power output end of the driving device 4 has a socket 431 , and one end of the first rotating shaft 321 is slidably inserted into the socket 431 , and can It rotates with the power output end of the drive device 4; the bolt 5 is used to realize the detachable connection between the dust box 31 and the bracket 21; When the bolt 5 releases the connection between the dust box 31 and the bracket 21, the dust box 31 can slide along the axial direction of the roller brush 32 toward the end of the disassembly gap 10, thereby driving the roller brush 32 to slide, so that the The end of the first rotating shaft 321 slides out from the socket 431 , so that the roller brush 32 can be removed from the installation slot 214 together with the dust collecting box 31 to avoid the phenomenon of dust falling.

Referring to FIGS. 9 to 13 , one end of the first rotating shaft 321 has an inserting portion 3211 , and a plurality of limiting protrusions 3211 a are spaced on the outer periphery of the inserting portion 3211 . to match the cross-sectional shape. Specifically, the cross section of the first rotating shaft 321 can be hexagonal, triangular or quadrilateral, etc., so as to ensure that the first rotating shaft 321 can rotate with the power output end of the driving device 4 and can also be pulled out from the socket 431 of the driving device 4 at the same time. out, so that the roller brush 32 and the dust box 31 can be disassembled from the installation groove 214 synchronously.

Please refer to FIGS. 1 to 3 and 5 , a bolt groove 15 is provided on the side of the casing 1 away from the disassembly and assembly gap 10 , and the bolt 5 is slidably arranged in the bolt groove 15 , and the bolt 5 can be in the first position and the second Sliding between the two positions; when the bolt 5 is in the first position, a part of the bolt 5 abuts on the front side of the dust box 31 to restrict the separation of the dust box 31 and the bracket 21 from each other; when the bolt 5 is in the first position In the second position, the bolt 5 and the dust collecting box 31 are separated from each other, so as to release the connection between the dust collecting box 31 and the bracket 21 .

Please refer to FIGS. 9-14 , the driving device 4 includes a motor 41 , a first driven gear 43 and a second driven gear 44 , the power output end of the motor 41 is sleeved with a driving gear 42 , and the first driven gear 43 is connected to the driving gear 42 . The gear 42 is engaged with the gear 42, the socket 431 is arranged on the first driven gear 43, that is, one end of the first rotating shaft 321 is inserted into the first driven gear 43, the second transmission gear 233 is engaged with the driving gear 42, the first One end of the two rotating shafts 231 penetrates through the second driven gear 44 . When the motor 41 is running, the driving gear 42 meshes with the first driven gear 43 for transmission, and the driving gear 42 meshes with the second driven gear 44 for transmission, so that the roller brush 32 and the roller 23 rotate respectively, and the roller brush 32 The rotation direction is the same as the rotation direction of the roller 23. When the rotating roller 23 drives the filter screen 22 to reciprocate in the slideway 213, the movement direction of the filter screen 22 is opposite to the direction of the linear velocity at the top of the roller brush 32. The roller brush 32 A reverse dust scraping force is formed on the filter screen 22, thereby improving the cleaning effect of the dust on the filter screen 22.

The driving device 4 further includes a protective shell 45, which is arranged on the outer side of the bracket 21, and the protective shell 45 includes a bottom shell 451 and a shell cover 452. The bottom shell 451 is fixed on the outer side wall of the bracket 21 by screws or bolts, and the bottom shell 451 There is a cavity, the driving gear 42, the first driven gear 43 and the second driven gear 44 are all arranged in the cavity; the cover 452 covers the opening of the cavity, the motor 41 is fixed on the cover 452, and the The output shaft passes through the housing cover 452 to pass through the driving gear 42 .

Please refer to FIGS. 1 to 3. In order to improve the dust removal effect and dust removal stability of the filter screen 22, the top of the casing 1 is provided with two air inlets 11 spaced in the left and right directions. The number of filter screen devices 2 is two, and the dust removal device The number of 3 is two, the number of driving devices 4 is two, the number of bolts 5 is two, two filter devices 2, two dust removal devices 3, two driving devices 4 and two bolts 5 respectively. One-to-one correspondence, two filter devices 2 are arranged in the housing 1 at intervals along the left-right direction and correspond to each air inlet 11 one-to-one, and two driving devices 4 are respectively arranged on the left and right sides of the housing 1 .

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. An air conditioner indoor unit is characterized in that, comprising: a casing, the top of the casing is provided with an air inlet; a filter screen device, the filter screen device is arranged in the casing and covers the air inlet, the filter screen device comprises a bracket and a filter screen arranged on the bracket, and an installation slot is opened on the front side of the bracket; a dust removal device, the dust removal device is arranged in the installation groove, and the dust removal device comprises a dust collecting box and a roller brush, and the two ends of the roller brush are respectively rotatably installed on the left and right sides of the dust collecting box; A driving device, the driving device is arranged outside one side of the bracket, the power output end of the driving device has a socket, and one end of the roller brush is slidably inserted into the socket, and can follow the driving device The power output end rotates to clean the filter screen; a bolt, the bolt is used to realize the detachable connection between the dust box and the bracket; Wherein, there is a disassembly and assembly gap between the end of the dust box facing away from the driving device and the inner wall surface of the installation groove. When the bolt releases the connection between the dust box and the bracket, the The dust collecting box can slide along the axial direction of the roller brush toward an end close to the disassembly and assembly gap, thereby driving the roller brush to slide, so that the roller brush slides out of the socket. 2. The air conditioner indoor unit according to claim 1, characterized in that it comprises two said filter devices, two said dust removal devices, two said driving devices, and two said bolts, and the two said The filter device, the two dust removal devices, the two drive devices, and the two bolts are in one-to-one correspondence, and the two filter devices are arranged in the housing at intervals along the left-right direction, and the two The driving devices are respectively arranged on the left and right sides of the casing. 3. The air conditioner indoor unit according to claim 1, wherein the driving device comprises: a motor, the power output end of the motor is sleeved with a driving gear; A first driven gear, the first driven gear is engaged with the driving gear, and the socket is arranged on the first driven gear. 4. The air conditioner indoor unit according to claim 3, wherein the roller brush comprises: A first rotating shaft, the two ends of the first rotating shaft are respectively rotated through the left and right sides of the dust collecting box, one end of the first rotating shaft has an inserting part, and the outer periphery of the inserting part is spaced apart There are a plurality of limiting protrusions, and the cross-sectional shape of the socket is adapted to the cross-sectional shape of the first rotating shaft; A roller brush cylinder is sleeved on the first rotating shaft, and the roller brush cylinder is in rolling contact with the filter screen to clean the filter screen. 5 . The air conditioner indoor unit according to claim 3 , wherein the filter screen device further comprises a roller provided in the support, and the two ends of the roller are respectively rotated through the two ends of the support. 6 . On opposite sides, the rollers are located above the dust box; The drive device also includes: A second driven gear, the second transmission gear is engaged with the driving gear, one end of the roller is penetrated through the second driven gear, and the roller can rotate to drive the filter mesh along the The preset path reciprocates. 6 . The air conditioner indoor unit according to claim 5 , wherein the left and right sides of the bracket are respectively provided with slideways, the two slideways are arranged opposite to each other, and the left and right sides of the filter screen correspond one-to-one. 7 . It is arranged in each of the slideways, and the roller drives the filter screen to reciprocate along the slideways. 7. The air conditioner indoor unit according to claim 6, wherein the roller comprises: a second rotating shaft, two ends of the second rotating shaft are respectively threaded through the left and right sides of the bracket, and one end of the second rotating shaft is passed through the second driven gear; a cylindrical body, the cylindrical body is sleeved on the second rotating shaft; Two gears, the two gears are respectively located at the two ends of the cylinder and sleeved on the second rotating shaft, and the left and right sides of the filter screen are respectively provided with racks that engage with the gears department. 8 . The indoor unit of the air conditioner according to claim 6 , wherein the slideway comprises a first slideway and a second slideway which are sequentially arranged in an up-down direction, the first slideway and the second slideway The grooves extend in the front and rear directions, respectively; The front end of the first chute and the front end of the second chute are smoothly connected, and the rear end of the first chute and the rear end of the second chute are respectively close to the rear side of the housing, and Set at intervals in the up and down direction. 9 . The air conditioner indoor unit according to claim 1 , wherein a bolt groove is provided on a side of the casing away from the disassembly and assembly gap, and the bolt is slidably arranged in the bolt groove, so the the bolt can slide between the first position and the second position; When the bolt is located at the first position, a part of the bolt abuts against the front side of the dust box to limit the separation of the dust box and the bracket; when the bolt When the member is located at the second position, the bolt and the dust collecting box are separated from each other, so as to release the connection of the dust collecting box and the bracket. 10 . The air conditioner indoor unit according to claim 9 , wherein a handle protrusion is provided at one end of the dust collecting box close to the disassembly and assembly gap, and a handle protrusion is provided on a side away from the driving device. 11 . Has first handle groove.

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