Cleaning device for maintenance of central air conditioner

Abstract

The utility model discloses a cleaning device for central air conditioner maintenance, and relates to the technical field of central air conditioner cleaning. The cleaning device comprises a cleaning box, a brush is arranged in the cleaning box, a driving assembly used for driving the brush to do left-right reciprocating linear motion is arranged in the cleaning box, two water pipes are fixedly installed at the top of the cleaning box, and the output end of each water pipe extends into the cleaning box to be fixedly connected with a spray head. And a mounting rod is arranged in the cleaning box. The rotating assembly is controlled to drive the mounting rod to rotate by 180 degrees, at the moment, the mounting rod drives the filter screen to synchronously rotate by 180 degrees to complete turn-over, then the driving assembly is started to drive the brush to move to the position above the filter screen to conduct linear reciprocating motion, and the spray head communicated with a water source above the filter screen is controlled to be opened. And impurities and sewage which are cleaned down from the filter screen are discharged from the sewage discharging opening, and a worker only needs to take out the filter screen from the operation opening in the left side.

Description

Technical Field

[0001] The utility model relates to the technical field of central air-conditioning cleaning, in particular to a cleaning device for central air-conditioning maintenance. Background Art

[0002] The central air conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. The cold and heat source systems are mainly responsible for cooling or heating, while the air conditioning system is responsible for transporting cold and hot air to each room to adjust the indoor temperature. The maintenance of central air conditioners is a key link to ensure their normal operation, extend their service life and improve their energy efficiency. The filter cleaning work in the maintenance of central air conditioners is a very important task.

[0003] The existing patent number CN220990025U proposes a central air-conditioning cleaning device, which includes: a box body; and a cleaning component connected to the box body, used for cleaning the central air-conditioning filter; the cleaning component includes: a driving member connected to the top of the box body through a motor frame; and a rotating shaft fixedly connected to the output end of the driving member; a cleaning brush is fixedly connected to the bottom of the rotating shaft; but the above-mentioned central air-conditioning cleaning device can only clean one side of the air-conditioning filter during each cleaning process, and cannot achieve double-sided cleaning of the air-conditioning filter in one cleaning process. After the single-sided cleaning is completed, the staff needs to turn the filter over and put it back into the equipment, which will result in cumbersome steps and low efficiency in cleaning the air-conditioning filter. For this reason, a cleaning device for central air-conditioning maintenance is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing central air-conditioning cleaning equipment can only clean one side of the air-conditioning filter each time the filter is cleaned, resulting in cumbersome and inefficient cleaning steps of the air-conditioning filter. The utility model provides a cleaning device for central air-conditioning maintenance.

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

[0006] A cleaning device for maintenance of a central air conditioner comprises a cleaning box, a brush is arranged inside the cleaning box, a driving assembly is arranged inside the cleaning box for driving the brush to move back and forth in a straight line, two water pipes are fixedly installed on the top of the cleaning box, the output end of each water pipe extends to the inside of the cleaning box and is fixedly connected to a nozzle, a mounting rod is arranged inside the cleaning box, two U-shaped frames are arranged on the right side of the mounting rod, a fixing rod is arranged inside each U-shaped frame, a plurality of extrusion rod assemblies with telescopic functions which are distributed equidistantly in the horizontal direction are arranged on the inner top surface of each U-shaped frame, the output end of each extrusion rod assembly is fixedly connected to the top of an adjacent U-shaped frame, a rotating assembly is arranged inside the cleaning box for driving the mounting rod to rotate back and forth, operation ports are respectively provided on the left and right side walls of the cleaning box, and a sewage outlet is provided at the bottom of the cleaning box.

[0007] Furthermore, the driving assembly includes a servo motor, which is fixedly installed on the left outer wall of the cleaning box, the output end of the servo motor extends to the interior of the cleaning box and is fixedly connected to a threaded rod, a movable block is threadedly connected to the threaded rod, a hexagonal rod that passes through the movable block is fixedly installed inside the cleaning box, an electric telescopic rod is fixedly installed on the bottom of the movable block, and the output end of the electric telescopic rod is fixedly connected to the brush.

[0008] Furthermore, the extrusion rod assembly includes a round tube, and a plurality of round tubes distributed laterally equidistantly are fixedly installed on the inner top surface of each U-shaped frame, a spring is provided inside each round tube, a round rod is movably installed inside each round tube, the top of each round rod is fixedly connected to the bottom end of an adjacent spring, and the top of each spring is fixedly connected to an adjacent U-shaped frame.

[0009] Furthermore, the rotating assembly includes a rotating shaft, a rotating shaft is arranged inside the cleaning box, a connecting rod is fixedly installed on the side wall of the rotating shaft, the end of the connecting rod away from the rotating shaft is fixedly connected to the mounting rod, a gear that rotates coaxially with the rotating shaft is movably installed on the rear outer wall of the cleaning box, a hydraulic rod is fixedly installed on the rear outer wall of the cleaning box, the output end of the hydraulic rod is fixedly connected to a rack, and the rack is meshingly connected to the gear.

[0010] Furthermore, a plurality of C-shaped rods equidistantly distributed laterally are fixedly installed on the sides of the two U-shaped frames away from each other, a limit block is movably installed inside each C-shaped rod, and each limit block is fixedly connected to an adjacent fixed rod.

[0011] Furthermore, a convex groove is provided on one side of the mounting rod close to the U-shaped frame, and two protrusions are movably installed inside the convex groove. The two protrusions are respectively fixedly connected to the two U-shaped frames. A strip hole is provided on the top of the mounting rod, and a screw rod is fixedly installed on the top of each protrusion, and a nut is threadedly connected to each screw rod.

[0012] Furthermore, a groove is provided on the inner top surface of each operation port, a sealing plate is movably installed inside each groove, an operation window is provided on the front wall surface of the cleaning box, and a window door is movably installed inside the operation window.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model first disassembles the filter of the central air conditioner, and then puts the filter into the cleaning box from the right operating port, and at the same time makes the two sides of the filter respectively reach the middle position of each fixed rod and the adjacent U-shaped frame. Since each squeezing rod assembly will squeeze the corresponding fixed rod downward, each fixed rod will squeeze the filter, so that the two sides of the filter are respectively placed in the middle position of each fixed rod and the adjacent U-shaped frame. At this time, the driving assembly is started to drive the brush to move above the filter for linear reciprocating motion, and the nozzle connected to the water source above the filter is controlled to be turned on to complete the front cleaning of the filter, and then the rotating assembly is controlled to drive the installation rod to rotate 180 degrees. At this time, the installation rod will drive the filter to rotate 180 degrees synchronously to complete the turning over, and then the driving assembly is started to drive the brush to move above the filter for linear reciprocating motion, and the nozzle connected to the water source above the filter is controlled to be turned on to complete the back cleaning of the filter. The impurities and sewage cleaned up on the filter will be discharged from the sewage outlet, and the staff can take out the filter from the left operating port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This utility model Figure 1 The enlarged view of point A in the middle;

[0017] Figure 3 It is a specific schematic diagram of the extrusion rod assembly of the utility model;

[0018] Figure 4 It is a schematic diagram of the back of the cleaning box of the utility model;

[0019] Figure 5 This is a front view of the cleaning box of the utility model;

[0020] : 1. cleaning box; 2. brush; 3. drive assembly; 31. servo motor; 32. threaded rod; 33. movable block; 34. hexagonal rod; 35. electric telescopic rod; 4. water pipe; 5. nozzle; 6. mounting rod; 7. U-shaped frame; 8. extrusion rod assembly; 81. round tube; 82. spring; 83. round rod; 9. fixed rod; 10. rotating assembly; 101. rotating shaft; 102. connecting rod; 103. gear; 104. hydraulic rod; 105. rack; 11. C-shaped rod; 12. limit block; 13. convex groove; 14. convex block; 15. strip hole; 16. screw rod; 17. nut; 18. operating port; 19. groove; 20. sealing plate; 21. drain outlet; 22. operating window; 23. window door. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figures 1 to 5As shown, a cleaning device for maintenance of a central air conditioner comprises a cleaning box 1, which is a rectangular box with a hollow interior. A brush 2 is arranged inside the cleaning box 1, and a driving assembly 3 for driving the brush 2 to reciprocate linearly left and right is arranged inside the cleaning box 1. Two water pipes 4 are fixedly installed on the top of the cleaning box 1, and the output end of each water pipe 4 extends to the interior of the cleaning box 1 and is fixedly connected with a nozzle 5. A mounting rod 6 is arranged inside the cleaning box 1, and two U-shaped frames 7 are arranged on the right side of the mounting rod 6, and a fixing rod 9 is arranged inside each U-shaped frame 7. A plurality of extrusion rod assemblies 8 with telescopic functions that are evenly distributed laterally are arranged on the internal top surface of each U-shaped frame 7, and the output end of each extrusion rod assembly 8 is fixedly connected to the top of the adjacent U-shaped frame 7, and a rotating assembly 10 for driving the mounting rod 6 to reciprocate is arranged inside the cleaning box 1, and operation ports 18 are respectively provided on the left and right side walls of the cleaning box 1, and a sewage outlet 21 is provided at the bottom of the cleaning box 1. It should be noted that the filter of the central air conditioner is first disassembled. , and then put the filter into the cleaning box 1 from the right operating port 18, and at the same time, make the two sides of the filter respectively to the middle position of each fixed rod 9 and the adjacent U-shaped frame 7. Since each squeezing rod assembly 8 will squeeze the corresponding fixed rod 9 downward, each fixed rod 9 will squeeze the filter, so that the two sides of the filter are respectively placed in the middle position of each fixed rod 9 and the adjacent U-shaped frame 7. At this time, start the driving assembly 3 to drive the brush 2 to move above the filter for linear reciprocating motion, and control the nozzle 5 connected to the water source above the filter to open, complete the front cleaning of the filter, and then control the rotating assembly 10 to drive the mounting rod 6 to rotate 180 degrees. At this time, the mounting rod 6 will drive the filter to rotate 180 degrees synchronously to complete the turning over, and then start the driving assembly 3 to drive the brush 2 to move above the filter for linear reciprocating motion, and control the nozzle 5 connected to the water source above the filter to open, complete the back cleaning of the filter, and the impurities and sewage cleaned up on the filter will be discharged from the sewage outlet 21. The staff can take out the filter from the left operating port 18.

[0026] like Figure 1As shown, the driving assembly 3 includes a servo motor 31, and the servo motor 31 is fixedly installed on the left outer wall of the cleaning box 1, and the output end of the servo motor 31 extends to the interior of the cleaning box 1 and is fixedly connected to a threaded rod 32, and a movable block 33 is threadedly connected to the threaded rod 32, and a hexagonal rod 34 that penetrates the movable block 33 is fixedly installed inside the cleaning box 1, and an electric telescopic rod 35 is fixedly installed at the bottom of the movable block 33, and the output end of the electric telescopic rod 35 is fixedly connected to the brush 2. It should be noted that after the servo motor 31 is started, it can drive the threaded rod 32 to reciprocate at a preset angle and speed, so that the movable block 33 can reciprocate left and right in a straight line. The movement of the movable block 33 will also drive the electric telescopic rod 35 and the brush 2 to move synchronously, and the function of the electric telescopic rod 35 is to raise and lower the height of the brush 2 so that the brush 2 can better contact with the filter.

[0027] like Figures 1 to 3 As shown, the extrusion rod assembly 8 includes a circular tube 81, and a plurality of circular tubes 81 distributed equidistantly in the transverse direction are fixedly installed on the inner top surface of each U-shaped frame 7, a spring 82 is arranged inside each circular tube 81, and a circular rod 83 is movably installed inside each circular tube 81, and the top of each circular rod 83 is fixedly connected to the bottom end of the adjacent spring 82, and the top of each spring 82 is fixedly connected to the adjacent U-shaped frame 7. It should be noted that each spring 82 will always squeeze the corresponding circular rod 83, so that each circular rod 83 squeezes the corresponding fixed rod 9, so that the edge of the filter can be clamped in the middle position between the U-shaped frame 7 and the fixed rod 9.

[0028] like Figure 1 , Figure 4 As shown, the rotating assembly 10 includes a rotating shaft 101, and the interior of the cleaning box 1 is provided with the rotating shaft 101. A connecting rod 102 is fixedly installed on the side wall of the rotating shaft 101. The end of the connecting rod 102 away from the rotating shaft 101 is fixedly connected to the mounting rod 6. A gear 103 that rotates coaxially with the rotating shaft 101 is movably installed on the rear outer wall of the cleaning box 1. A hydraulic rod 104 is fixedly installed on the rear outer wall of the cleaning box 1. A rack 105 is fixedly connected to the output end of the hydraulic rod 104, and the rack 105 is meshed with the gear 103. It should be noted that after the hydraulic rod 104 is started, it drives the rack 105 to perform a linear reciprocating motion. The reciprocating motion of the rack 105 can make the gear 103 reciprocate 180 degrees. The reciprocating rotation of the gear 103 can make the rotating shaft 101 rotate synchronously. The rotation of the rotating shaft 101 synchronously drives the connecting rod 102 and the mounting rod 6 to rotate, so that the clamped filter can rotate 180 degrees.

[0029] like Figure 1 , Figure 2As shown, a plurality of C-shaped rods 11 distributed laterally equidistantly are fixedly installed on the side of the two U-shaped frames 7 away from each other, and a limit block 12 is movably installed inside each C-shaped rod 11, and each limit block 12 is fixedly connected to the adjacent fixed rod 9. It should be noted that the cooperation between the C-shaped rod 11 and the limit block 12 can limit the up and down movement trajectory of the fixed rod 9, thereby ensuring the stability of the filter clamping.

[0030] like Figure 1 , Figure 2 As shown, a convex groove 13 is provided on one side of the mounting rod 6 close to the U-shaped frame 7, and two protrusions 14 are movably installed inside the convex groove 13. The two protrusions 14 are respectively fixedly connected to the two U-shaped frames 7. A strip hole 15 is provided on the top of the mounting rod 6, and a screw rod 16 is fixedly installed on the top of each protrusion 14. A nut 17 is threadedly connected to each screw rod 16. It should be noted that the distance between the two U-shaped frames 7 can be adjusted by moving the distance between the two protrusions 14. After each protrusion 14 is moved to a suitable position, the corresponding nut 17 is rotated to fix it at the current position. By changing the distance between the two U-shaped frames 7, it can be suitable for clamping and cleaning air-conditioning filters of more sizes.

[0031] like Figure 1 , Figure 5 As shown, a groove 19 is provided on the inner top surface of each operation port 18, and a sealing plate 20 is movably installed inside each groove 19. An operation window 22 is provided on the front wall surface of the cleaning box 1, and a window door 23 is movably installed inside the operation window 22. It should be noted that when the filter is cleaned inside the cleaning box 1, the two operation ports 18 can be closed by using the two grooves 19 to prevent water from splashing to the outside of the cleaning box 1. The operation window 22 is opened by rotating the window door 23, so that the internal structure of the cleaning box 1 can be operated conveniently through the operation window 22.

[0032] In summary:

[0033] First, remove the filter of the central air conditioner, and then put the filter into the cleaning box 1 from the right operating port 18, and at the same time, make the two sides of the filter to the middle position of each fixing rod 9 and the adjacent U-shaped frame 7 respectively. Since each squeezing rod assembly 8 will squeeze the corresponding fixing rod 9 downward, each fixing rod 9 will squeeze the filter, so that the two sides of the filter are respectively placed in the middle position of each fixing rod 9 and the adjacent U-shaped frame 7. At this time, start the driving assembly 3 to drive the brush 2 to move to the top of the filter for linear reciprocating motion, and control the top of the filter to connect The nozzle 5 of the water source is turned on to complete the front cleaning of the filter, and then the rotating component 10 is controlled to drive the installation rod 6 to rotate 180 degrees. At this time, the installation rod 6 will drive the filter to rotate 180 degrees synchronously to complete the flipping, and then the driving component 3 is started to drive the brush 2 to move to the top of the filter for linear reciprocating motion, and the nozzle 5 connected to the water source above the filter is controlled to be turned on to complete the back cleaning of the filter. The impurities and sewage cleaned up on the filter will be discharged from the sewage outlet 21, and the staff can take out the filter from the left operating port 18.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cleaning device for central air conditioning maintenance, characterized in that: The cleaning box (1) comprises a cleaning box (1), a brush (2) is arranged inside the cleaning box (1), a driving assembly (3) for driving the brush (2) to reciprocate linearly is arranged inside the cleaning box (1), two water pipes (4) are fixedly installed on the top of the cleaning box (1), the output end of each water pipe (4) extends to the inside of the cleaning box (1) and is fixedly connected to a nozzle (5), a mounting rod (6) is arranged inside the cleaning box (1), two U-shaped frames (7) are arranged on the right side of the mounting rod (6), and each U-shaped frame (7) A fixing rod (9) is arranged inside each U-shaped frame (7), a plurality of extrusion rod assemblies (8) with telescopic function and distributed in a laterally equidistant manner are arranged on the inner top surface of each U-shaped frame (7), the output end of each extrusion rod assembly (8) is fixedly connected to the top of an adjacent U-shaped frame (7), a rotating assembly (10) for driving the mounting rod (6) to reciprocate is arranged inside the cleaning box (1), operating ports (18) are respectively arranged on the left and right side walls of the cleaning box (1), and a sewage outlet (21) is arranged at the bottom of the cleaning box (1).

2. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: The driving assembly (3) comprises a servo motor (31), the servo motor (31) is fixedly mounted on the left outer wall of the cleaning box (1), the output end of the servo motor (31) extends to the inside of the cleaning box (1) and is fixedly connected to a threaded rod (32), a movable block (33) is threadedly connected to the threaded rod (32), a hexagonal rod (34) penetrating the movable block (33) is fixedly mounted inside the cleaning box (1), an electric telescopic rod (35) is fixedly mounted at the bottom of the movable block (33), and the output end of the electric telescopic rod (35) is fixedly connected to the brush (2).

3. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: The extrusion rod assembly (8) comprises a circular tube (81), a plurality of circular tubes (81) equidistantly distributed laterally are fixedly mounted on the inner top surface of each U-shaped frame (7), a spring (82) is arranged inside each circular tube (81), a circular rod (83) is movably mounted inside each circular tube (81), the top of each circular rod (83) is fixedly connected to the bottom end of an adjacent spring (82), and the top of each spring (82) is fixedly connected to an adjacent U-shaped frame (7).

4. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: The rotating assembly (10) comprises a rotating shaft 1 (01), the rotating shaft 1 (01) is arranged inside a cleaning box (1), a connecting rod 1 (02) is fixedly mounted on the side wall of the rotating shaft (101), one end of the connecting rod (102) away from the rotating shaft (101) is fixedly connected to a mounting rod (6), a gear (103) coaxially rotating with the rotating shaft (101) is movably mounted on the rear outer wall of the cleaning box (1), a hydraulic rod (104) is fixedly mounted on the rear outer wall of the cleaning box (1), an output end of the hydraulic rod (104) is fixedly connected to a rack (105), and the rack (105) is meshingly connected to the gear (103).

5. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: A plurality of C-shaped rods (11) distributed equidistantly in the transverse direction are fixedly installed on the side of the two U-shaped frames (7) away from each other, a limit block (12) is movably installed inside each C-shaped rod (11), and each limit block (12) is fixedly connected to an adjacent fixed rod (9).

6. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: A convex groove (13) is provided on one side of the mounting rod (6) close to the U-shaped frame (7), two protrusions (14) are movably installed inside the convex groove (13), and the two protrusions (14) are respectively fixedly connected to the two U-shaped frames (7). A strip hole (15) is provided on the top of the mounting rod (6), and a screw rod (16) is fixedly installed on the top of each protrusion (14), and a nut (17) is threadedly connected to each screw rod (16).

7. A cleaning device for central air conditioning maintenance according to claim 1, characterized in that: A groove (19) is provided on the inner top surface of each operation port (18), a sealing plate (20) is movably installed inside each groove (19), an operation window (22) is provided on the front wall surface of the cleaning box (1), and a window door (23) is movably installed inside the operation window (22).

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