Filter screen assembly of central air conditioner outdoor unit

Abstract

The utility model belongs to the field of filter screen assemblies, particularly relates to a filter screen assembly of a central air conditioner outdoor unit, and aims to solve the problems that an existing filter screen assembly is easily blocked by dust and foreign matters in air after being used for a long time, normal air circulation is affected, the air exchange efficiency of an air conditioner is reduced, the assembly is inconvenient to disassemble and assemble, and the air conditioner outdoor unit is inconvenient to maintain. According to the technical scheme, the filter screen assembly comprises an outer frame, an inner frame and an inner plate, the outer edge angles of the outer frame, the inner frame and the inner plate are all arranged to be arc-shaped, the rear side of the outer frame is fixedly connected with the front side of the inner plate, and holes are formed in the inner plate, so that the filter screen assembly is convenient to disassemble and assemble; according to the air conditioner outdoor unit, the filter screen assembly can be conveniently overhauled and replaced, the filtering work of the air conditioner outdoor unit is guaranteed, the filter screen assembly blocked by dust and foreign matter in air can be cleaned, normal air circulation and the air exchange efficiency of the air conditioner are guaranteed, and normal use of the air conditioner outdoor unit is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter screen components, in particular to a filter screen component of an outdoor unit of a central air conditioner. Background Art

[0002] The external unit of the central air conditioner, also known as the outdoor unit, is an important part of the air conditioning system. The filter assembly of the central air conditioner external unit refers to the component used to filter the air; these filter assemblies are generally made of fiber materials, with high filtration efficiency and long service life. The function of the central air conditioner external unit filter assembly is to purify the air, keep the air fresh, ensure the indoor air quality, and thus protect people's health.

[0003] However, the existing filter assembly has the following problems: after long-term use, the filter assembly is easily clogged by dust and foreign matter in the air, affecting normal air circulation and reducing the ventilation efficiency of the air conditioner. In addition, the assembly is inconvenient to disassemble and assemble, which increases the difficulty of operation when the air conditioner outdoor unit needs to be repaired. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the filter assembly is easily clogged by dust and foreign matter in the air after long-term use, affecting normal air circulation and reducing the ventilation efficiency of the air conditioner, and the assembly is inconvenient to disassemble and assemble, which increases the difficulty of operation when the air conditioner outdoor unit needs to be repaired. A filter assembly for the outdoor unit of a central air conditioner is proposed to solve the problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A filter assembly for an outdoor unit of a central air conditioner, comprising an outer frame, an inner frame and an inner plate, wherein the outer edges and corners of the outer frame, the inner frame and the inner plate are all arranged in an arc shape, the rear side of the outer frame is fixedly connected to the front side of the inner plate, the inner plate is provided with a hole, the inner plate is provided with a filter through the hole, and the rear side of the inner plate is fixedly connected to the front side of the inner frame;

[0007] The disassembly and assembly mechanism is arranged on the inner plate to facilitate the disassembly and assembly of the filter screen;

[0008] A cleaning mechanism is arranged on the inner plate for cleaning the filter screen.

[0009] In a possible design, the disassembly and assembly mechanism includes a rectangular frame and four connecting blocks, the front side of the rectangular frame is fixedly connected to the rear side of the filter screen, the four sides of the rectangular frame are respectively fixedly connected to one side of the four connecting blocks, and the four connecting blocks are each provided with threaded holes for easy connection, and the four connecting blocks are each fixedly connected to the inner plate via threaded holes and bolts.

[0010] The cleaning mechanism comprises a motor, two connecting frames, a reciprocating screw, a sliding column and a cleaning brush, the rear sides of the two connecting frames are respectively fixedly connected to the two sides of the front side of the same inner plate, and the two connecting frames are respectively provided with a No. 1 rectangular groove and a No. 2 rectangular groove on the side close to each other, and the two ends of the sliding column are respectively fixedly connected to the top inner wall and the bottom inner wall of the same No. 1 rectangular groove, and the two ends of the reciprocating screw are respectively rotatably connected to the top inner wall and the bottom inner wall of the same No. 2 rectangular groove, a No. 1 plate is slidingly sleeved on the sliding column, and a No. 2 plate is threadedly sleeved on the reciprocating screw, and the two sides of the cleaning brush are respectively fixedly connected to the side close to the No. 1 plate and the No. 2 plate, and the bristles of the cleaning brush contact the front side of the filter screen, and the bottom of the motor is fixedly connected to the top of the connecting frame by bolts, and the output shaft of the motor passes through the top of the connecting frame and is fixedly connected to one end of the reciprocating screw, and the output shaft of the motor is rotatably connected to the connecting frame.

[0011] In a possible design, a collection box for collecting dust and foreign matter is provided on the inner wall of the bottom of the outer frame, and sliders for easy movement are fixedly connected on both sides of the collection box. Slide grooves adapted to the sliders are provided on both sides of the outer frame, and the two sliders slide with the two slide grooves respectively. The shapes of the two sliders and the two slide grooves are both set to be T-shaped, and the rear side and the top of the collection box are set to be open places for easy collection of dust and foreign matter.

[0012] In a possible design, a connection handle is fixedly connected to the front side of the collection box for facilitating removal and holding of the collection box.

[0013] In a possible design, a triangular plate is fixedly provided on the bottom inner wall of the collection box to prevent dust and foreign matter from falling.

[0014] In a possible design, mounting plates are fixedly connected to both sides of the inner frame for facilitating installation and fixation of the filter assembly, and mounting holes are provided on the two mounting plates for facilitating fixed connection.

[0015] The filter assembly is connected to the outdoor unit of the air conditioner through the mounting plate and the mounting hole on the inner frame during use. When the filter assembly filters the air, the motor is started through the external controller, and the output shaft of the motor drives the reciprocating screw to rotate, and the reciprocating screw drives the cleaning brush to slide on the sliding column, thereby cleaning the front side of the filter. After cleaning, the cleaned dust and foreign matter fall into the collection box, slide through the inclined surface of the triangular plate in the collection box, and then move to the recessed part of the concave collection box to prevent dust and foreign matter from being scattered when the collection box moves. When the collection box needs to be dumped, the collection box is pulled by the connecting handle, and the sliders on both sides of the collection box slide in the slide groove, which is convenient for holding and moving the collection box and for dumping dust and foreign matter. When the filter needs to be inspected and repaired, the filter assembly is disassembled, and then the connecting block connected to the inner plate is disassembled, and then the filter is disassembled through the rectangular frame, which is convenient for inspection or replacement, thereby ensuring the filtering work of the outdoor unit of the air conditioner.

[0016] The beneficial effects of the utility model are:

[0017] In the utility model, the disassembly and assembly mechanism and the cleaning mechanism facilitate the disassembly and assembly of the filter assembly, and then facilitate the inspection and replacement of the filter assembly, thereby ensuring the filtering work of the air conditioner outdoor unit, and can clean the filter assembly blocked by dust and foreign matter in the air, thereby ensuring normal air circulation and the ventilation efficiency of the air conditioner, and realizing the normal use of the air conditioner outdoor unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0020] Figure 3 It is a partial exploded view of the utility model;

[0021] Figure 4 It is an exploded diagram of the collection structure of the utility model.

[0022] In the figure: 1. outer frame; 2. connecting frame; 3. mounting plate; 4. collecting box; 5. connecting handle; 6. inner frame; 7. filter screen; 8. rectangular frame; 9. connecting block; 10. inner plate; 11. motor; 12. cleaning brush; 13. reciprocating screw rod; 14. sliding column; 15. triangle plate; 16. slider; 17. slide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1

[0025] Reference Figure 1-Figure 4 A filter assembly includes three parts: an outer frame 1, an inner frame 6 and an inner plate 10. The outer edges and corners of the three parts are designed to be arc-shaped to reduce collision damage while maintaining aesthetics. The rear side of the outer frame 1 is fixedly connected to the front side of the inner plate 10, and the rear side of the inner plate 10 is fixedly connected to the front side of the inner frame 6. Holes are opened on the inner plate 10, and filter screens 7 are arranged through these holes. The filter screens 7 are used to block dust and foreign matter in the air.

[0026] The disassembly and assembly mechanism is mainly composed of a rectangular frame 8 and four connecting blocks 9. The front side of the rectangular frame 8 is fixedly connected to the rear side of the filter screen 7, and the four sides of the rectangular frame 8 are respectively fixedly connected to one side of the four connecting blocks 9. These four connecting blocks 9 are provided with threaded holes. Through these threaded holes and bolts, the filter screen 7 and the inner plate 10 can be easily fixedly connected or disassembled.

[0027] The cleaning mechanism includes a motor 11, two connecting frames 2, a reciprocating screw rod 13, a sliding column 14 and a cleaning brush 12. The rear sides of the two connecting frames 2 are fixedly connected to the front sides of the same inner plate 10, and each connecting frame 2 is provided with a No. 1 rectangular groove and a No. 2 rectangular groove. The two ends of the sliding column 14 are fixedly connected to the top inner wall and the bottom inner wall of the same No. 1 rectangular groove, and the two ends of the reciprocating screw rod 13 are rotatably connected to the top inner wall and the bottom inner wall of the same No. 2 rectangular groove. A No. 1 plate is slidably sleeved on the sliding column 14. A No. 2 plate is threadedly sleeved on the reciprocating screw 13, and both sides of the cleaning brush 12 are fixedly connected to the side close to the No. 1 plate and the No. 2 plate respectively. The bristles of the cleaning brush 12 are in contact with the front side of the filter 7. The bottom of the motor 11 is fixedly connected to the top of the connecting frame 2 by bolts. The output shaft of the motor 11 passes through the top of the connecting frame 2 and is fixedly connected to one end of the reciprocating screw 13. When the motor 11 is working, the reciprocating screw 13 can be driven to rotate, so that the No. 2 plate drives the cleaning brush 12 to slide back and forth on the filter 7 to achieve automatic cleaning.

[0028] The present application can be used in the field of filter components, and can also be used in other fields applicable to the present application.

[0029] Embodiment 2

[0030] refer to Figure 1-Figure 4 , improved on the basis of the first embodiment, a filter assembly of an outdoor unit of a central air conditioner, comprising:

[0031] A collecting box 4 is provided on the bottom inner wall of the outer frame 1 for collecting dust and foreign matter dropped from the filter screen 7. Sliders 16 are fixedly connected to both sides of the collecting box 4. These slides 16 can slide in the slide grooves 17 opened on both sides of the outer frame 1 to facilitate the taking out and putting back of the collecting box 4. A triangular plate 15 is fixedly provided on the bottom inner wall of the collecting box 4 to prevent dust and foreign matter from being scattered when the collecting box 4 is moved or taken out.

[0032] In order to facilitate the installation and fixation of the filter assembly, mounting plates 3 are fixedly connected to both sides of the inner frame 6. These mounting plates 3 are provided with mounting holes and can be connected to external equipment or frames by means of bolts or the like.

[0033] However, as is well known to those skilled in the art, the working principle and wiring method of the motor 11 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selections according to their needs or convenience.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A filter assembly for an outdoor unit of a central air conditioner, characterized in that: The invention comprises an outer frame (1), an inner frame (6) and an inner plate (10), wherein the outer edges and corners of the outer frame (1), the inner frame (6) and the inner plate (10) are all arranged in an arc shape, the rear side of the outer frame (1) is fixedly connected to the front side of the inner plate (10), the inner plate (10) is provided with a hole, a filter screen (7) is arranged on the inner plate (10) through the hole, and the rear side of the inner plate (10) is fixedly connected to the front side of the inner frame (6); A disassembly and assembly mechanism, the disassembly and assembly mechanism being arranged on the inner plate (10) to facilitate disassembly and assembly of the filter screen (7); A cleaning mechanism is arranged on the inner plate (10) and is used for cleaning the filter screen (7).

2. A filter assembly for a central air conditioner outdoor unit according to claim 1, characterized in that: The disassembly and assembly mechanism comprises a rectangular frame (8) and four connecting blocks (9); the front side of the rectangular frame (8) is fixedly connected to the rear side of the filter screen (7); the four sides of the rectangular frame (8) are respectively fixedly connected to one side of the four connecting blocks (9); the four connecting blocks (9) are each provided with a threaded hole for easy connection; the four connecting blocks (9) are each fixedly connected to the inner plate (10) via the threaded holes and bolts.

3. A filter assembly for a central air conditioner outdoor unit according to claim 1, characterized in that: The cleaning mechanism comprises a motor (11), two connecting frames (2), a reciprocating screw rod (13), a sliding column (14) and a cleaning brush (12); the rear sides of the two connecting frames (2) are respectively fixedly connected to the two sides of the front side of the same inner plate (10); a first rectangular groove and a second rectangular groove are respectively provided on the adjacent sides of the two connecting frames (2); the two ends of the sliding column (14) are respectively fixedly connected to the top inner wall and the bottom inner wall of the same first rectangular groove; the two ends of the reciprocating screw rod (13) are respectively rotatably connected to the top inner wall and the bottom inner wall of the same second rectangular groove. A first plate is slidably sleeved on the sliding column (14), a second plate is threadedly sleeved on the reciprocating screw (13), two sides of the cleaning brush (12) are respectively fixedly connected to the first plate and the second plate, the bristles of the cleaning brush (12) are in contact with the front side of the filter screen (7), the bottom of the motor (11) is fixedly connected to the top of the connecting frame (2) by bolts, the output shaft of the motor (11) passes through the top of the connecting frame (2) and is fixedly connected to one end of the reciprocating screw (13), and the output shaft of the motor (11) is rotatably connected to the connecting frame (2).

4. A filter assembly for a central air conditioner outdoor unit according to claim 1, characterized in that: A collection box (4) for collecting dust and foreign matter is arranged on the inner wall at the bottom of the outer frame (1); sliders (16) that are easy to move are fixedly connected to both sides of the collection box (4); slide grooves (17) that are compatible with the sliders (16) are opened on both sides of the outer frame (1); the two sliders (16) slide with the two slide grooves (17) respectively; the shapes of the two sliders (16) and the two slide grooves (17) are both set to be T-shaped; the rear side and the top of the collection box (4) are both set to be open places that are easy to collect dust and foreign matter.

5. A filter assembly for a central air conditioner outdoor unit according to claim 4, characterized in that: A connecting handle (5) is fixedly connected to the front side of the collection box (4) for facilitating the removal and holding of the collection box (4).

6. A filter assembly for a central air conditioner outdoor unit according to claim 4, characterized in that: A triangular plate (15) is fixedly provided on the inner wall of the bottom of the collection box (4) to prevent dust and foreign matter from falling.

7. A filter assembly for a central air conditioner outdoor unit according to claim 1, characterized in that: Both sides of the inner frame (6) are fixedly connected with mounting plates (3) for facilitating the installation and fixation of the filter assembly, and both mounting plates (3) are provided with mounting holes for facilitating the fixed connection.

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