Fresh air purification device of central air conditioner

Abstract

The utility model relates to a fresh air purification device, belongs to the technical field of central air conditioners, and particularly relates to a fresh air purification device of a central air conditioner, which comprises a box body, a strip-shaped hole is formed in the top of the box body, and a filter plate is arranged in the strip-shaped hole; the fixing mechanism is located in the box body; through the arrangement of the fixing mechanism, the mounting hole of the filter plate is aligned with the mounting column, the mounting column is pressed, the mounting column moves to drive the rack to move, the rotating gear is driven to rotate, the threaded rod is driven to rotate, the moving block is driven to move, the moving plate is driven to move, the two fixing columns are driven to be inserted into the fixing grooves, and the two fixing columns are matched with the mounting column; the filter plate is fixed at multiple points, so that the stability of the filter plate is improved, the filter plate is prevented from being damaged under the impact of airflow, and the problems that the filter screen is insufficient in mounting stability, easy to damage after being impacted by the airflow in the air conditioner, inconvenient to disassemble and assemble and unfavorable for replacing and cleaning the filter screen are solved.

Description

Technical Field

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

[0002] The central air-conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems, and the air-conditioning fresh air system is one of the three major air circulation systems of the air-conditioning. Its main function is to realize the circulation and ventilation between the room air and the outdoor air, and to purify the air. The turbid air in the room is discharged to the outside through the fresh air system pipes to form an indoor and outdoor air pressure difference, complete the indoor and outdoor air exchange, and refresh the air. At the initial end of the fresh air system, a purification device will also be installed to purify the air.

[0003] After searching the Chinese patent with publication number CN220152855U, a central air-conditioning fresh air purification device is disclosed, including a filter screen vertically arranged on the inner wall of the tube body through an installation frame, and a cleaning mechanism arranged on the installation frame and cleaning the surface of the filter screen. The cleaning mechanism includes a cleaning rod fitted on the end face of the filter screen, a cleaning component arranged in a cleaning groove opened on the side of the cleaning rod near the filter screen to clean the surface of the filter screen, and a collecting component arranged on the cleaning rod to collect the cleaning dust of the filter screen; the collecting component includes a connector arranged on the side of the cleaning rod away from the filter screen, and a connecting pipe inserted into the cleaning rod and connected to the connector at one end and the dust removal groove opened at the opening position of the groove wall near the groove.

[0004] Based on the above search and combined with the existing technology, we found that:

[0005] The existing purification device vertically sets the filter through the installation frame. The installation stability of the filter is insufficient and it is easily damaged after being impacted by the air flow in the air conditioner. In addition, it is not convenient to disassemble and assemble, which is not conducive to replacing and cleaning the filter. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a central air-conditioning fresh air purification device, aligning the mounting hole of the filter plate with the mounting column, pressing the mounting column, the mounting column moves, driving the rack to move, driving the rotating gear to rotate, driving the threaded rod to rotate, driving the moving block to move, driving the moving plate to move, driving the two fixing columns to be inserted into the fixing groove, the two fixing columns cooperate with the mounting columns to fix the filter plate at multiple points, thereby improving the stability of the filter plate and preventing the filter plate from being damaged by the impact of airflow.

[0007] The technical solution to achieve the purpose of the utility model is: a central air conditioning fresh air purification device, including a box body, a strip hole is opened on the top of the box body, a filter plate is arranged in the strip hole, and further comprising;

[0008] A fixing mechanism, wherein the fixing mechanism is located in the box;

[0009] The fixing mechanism includes an installation cavity opened at the bottom of the box body, a fixing cavity is opened on one side of the installation cavity, a rotating gear is rotatably connected to the inner wall of one side of the installation cavity, a threaded rod is keyed to one side of the rotating gear, one end of the threaded rod extends to the inner wall of one side of the fixing cavity and is screwed with a moving block, a moving plate is fixedly connected to the top of the moving block, the moving plate is located in the fixing cavity, two fixing columns are fixedly connected to one side of the moving plate, a rack is provided on one side of the rotating gear, and the rack is meshed with the rotating gear.

[0010] In some embodiments, the top of the rack is fixedly connected to a fixed block, the top of the fixed block is fixedly connected to a mounting column, a mounting hole is opened on the top of the filter plate, the top of the mounting column passes through the top inner wall of the mounting cavity and is slidably connected in the mounting hole.

[0011] In some embodiments, a telescopic spring is sleeved on the mounting post, and two ends of the telescopic spring are fixedly connected to the top inner wall of the mounting cavity and the top of the fixing block respectively.

[0012] In some embodiments, a sliding rod is fixedly connected to the inner wall of one side of the fixed cavity, the movable block is slidably sleeved on the sliding rod, one end of the sliding rod is fixedly connected to the support block, a rotating hole is opened on one side of the support block, and the threaded rod is rotatably connected to the rotating hole.

[0013] In some embodiments, two fixing holes are formed on an inner wall of one side of the fixing cavity, two fixing grooves are formed on one side of the filter plate, and one end of the two fixing columns respectively passes through the two fixing holes and extends into the two fixing grooves.

[0014] In some embodiments, a handle is fixedly connected to the top of the filter plate.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] Firstly, the utility model arranges the fixing mechanism so that the mounting hole of the filter plate is aligned with the mounting post and the mounting post is pressed. The mounting post moves, driving the rack to move, driving the rotating gear to rotate, driving the threaded rod to rotate, driving the moving block to move, driving the moving plate to move, driving the two fixing posts to insert into the fixing grooves. The two fixing posts cooperate with the mounting posts to fix the filter plate at multiple points, thereby improving the stability of the filter plate and preventing the filter plate from being damaged by the impact of airflow.

[0017] Secondly, the utility model is provided with a mounting post. When disassembly is required, the mounting post is pulled. The movement of the mounting post drives the rack to move, which drives the rotating gear to rotate, which drives the threaded rod to rotate, which drives the moving plate to move, and drives the two fixing posts to completely leave the fixing grooves. The filter plate is pulled out of the box body by holding the handle along the direction of the mounting post. The disassembly steps are simple and the efficiency of filter plate disassembly and assembly is improved.

[0018] The invention solves the problems that the existing filter screen has insufficient installation stability, is easily damaged after being impacted by the air flow in the air conditioner, is not convenient for disassembly and assembly, and is not conducive to replacement and cleaning of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided in one embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the overall cross-sectional plan structure provided by the present invention in one embodiment;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the rotating gear, rack and mounting column provided in one embodiment of the present invention;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the threaded rod, movable plate and fixed column provided in one embodiment of the present invention.

[0024] Description of reference numerals:

[0025] 1. Box body; 101. Mounting cavity; 102. Fixing cavity; 103. Fixing hole; 2. Filter plate; 201. Mounting hole; 202. Fixing slot; 3. Rack; 301. Fixing block; 302. Mounting column; 303. Telescopic spring; 4. Handle; 5. Rotating gear; 501. Threaded rod; 502. Support block; 503. Sliding rod; 6. Moving block; 601. Moving plate; 602. Fixing column. DETAILED DESCRIPTION

[0026] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] The utility model provides a central air conditioning fresh air purification device through improvement. The technical solution of the utility model is:

[0028] like Figures 1-4As shown, a central air-conditioning fresh air purification device includes a box body 1, a strip hole is opened on the top of the box body 1, a filter plate 2 is arranged in the strip hole, and further includes: a fixing mechanism, the fixing mechanism is located in the box body 1; the fixing mechanism includes a mounting cavity 101 opened at the bottom of the box body 1, a fixing cavity 102 is opened on one side of the mounting cavity 101, a rotating gear 5 is rotatably connected to the inner wall of one side of the mounting cavity 101, a threaded rod 501 is keyed to one side of the rotating gear 5, one end of the threaded rod 501 extends to the inner wall of one side of the fixing cavity 102 and is screwed with a moving block 6, the top of the moving block 6 is fixedly connected to a moving plate 601, the moving plate 601 is located in the fixing cavity 102, and one side of the moving plate 601 is fixedly connected to two A fixing column 602 is provided on one side of the rotating gear 5, and the rack 3 is meshed with the rotating gear 5. In order to reduce gear wear, both the rack 3 and the rotating gear 5 are self-lubricating gears. Through the setting of the fixing mechanism, the mounting hole 201 of the filter plate 2 is aligned with the mounting column 302 and placed. The mounting column 302 is pressed, and the mounting column 302 moves to drive the rack 3 to move, drive the rotating gear 5 to rotate, drive the threaded rod 501 to rotate, drive the moving block 6 to move, drive the moving plate 601 to move, and drive the two fixing columns 602 to be inserted into the fixing groove 202. The two fixing columns 602 cooperate with the mounting columns 302 to fix the filter plate 2 at multiple points, thereby improving the stability of the filter plate 2 and preventing the filter plate 2 from being damaged by the impact of airflow.

[0029] like Figure 3 As shown, in one embodiment, the mounting hole 201 is adapted to the mounting post 302, the top of the rack 3 is fixedly connected to the fixing block 301, the top of the fixing block 301 is fixedly connected to the mounting post 302, the top of the filter plate 2 is provided with a mounting hole 201, the top of the mounting post 302 passes through the top inner wall of the mounting cavity 101 and is slidably connected to the mounting hole 201; through the setting of the mounting post 302, when disassembly is required, the mounting post 302 is pulled, the mounting post 302 moves to drive the rack 3 to move, drive the rotating gear 5 to rotate, drive the threaded rod 501 to rotate, drive the movable plate 601 to move, drive the two fixing posts 602 to completely leave the fixing groove 202, and hold the handle 4 to pull the filter plate 2 out of the box body 1 along the direction of the mounting post 302. The disassembly step is simple, and the efficiency of disassembly and assembly of the filter plate 2 is improved.

[0030] like Figure 3 As shown, in one embodiment, in order to extend the service life, the telescopic spring 303 is made of metal, the telescopic spring 303 is sleeved on the mounting column 302, and the two ends of the telescopic spring 303 are respectively fixedly connected to the top inner wall of the mounting cavity 101 and the top of the fixed block 301; through the setting of the telescopic spring 303, the telescopic spring 303 drives the rack 3 to reset.

[0031] like Figure 4As shown, in one embodiment, a sliding rod 503 is fixedly connected to the inner wall of one side of the fixed cavity 102, and the moving block 6 is slidably sleeved on the sliding rod 503. One end of the sliding rod 503 is fixedly connected to the support block 502. The setting of the support block 502 improves the stability of the threaded rod 501. A rotating hole is opened on one side of the support block 502, and the threaded rod 501 is rotatably connected to the rotating hole. Through the setting of the sliding rod 503, the movement of the moving block 6 is limited, ensuring that the moving plate 601 moves in a straight line.

[0032] like Figure 2 As shown, in one embodiment, two fixing holes 103 are provided on the inner wall of one side of the fixing cavity 102, and two fixing grooves 202 are provided on one side of the filter plate 2. The two fixing grooves 202 are respectively adapted to the two fixing posts 602, and one end of the two fixing posts 602 respectively passes through the two fixing holes 103 and extends into the two fixing grooves 202; through the setting of the fixing posts 602, the two fixing posts 602 are respectively engaged with the two fixing grooves 202, thereby achieving the fixation of one side of the filter plate 2 and improving the stability of the filter plate 2.

[0033] like Figure 1 As shown, in one embodiment, a handle 4 is fixedly connected to the top of the filter plate 2, and the handle 4 is made of rubber. Through the setting of the handle 4, the filter plate 2 can be easily installed and removed by holding the handle 4.

[0034] The specific working method is: hold the handle 4, align the mounting hole 201 of the filter plate 2 with the mounting column 302, press the mounting column 302, the mounting column 302 moves to drive the rack 3 to move, drive the rotating gear 5 to rotate, drive the threaded rod 501 to rotate, drive the moving block 6 to move, drive the moving plate 601 to move, drive the two fixing columns 602 to insert into the fixing groove 202, the two fixing columns 602 cooperate with the mounting columns 302, and fix the filter plate 2 at multiple points, thereby improving the stability of the filter plate 2 and preventing the filter plate 2 from being damaged by the impact of airflow.

[0035] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A central air conditioning fresh air purification device, comprising a box body (1), a strip hole is opened on the top of the box body (1), and a filter plate (2) is arranged in the strip hole, characterized in that: Also includes; A fixing mechanism, the fixing mechanism being located inside the box (1); The fixing mechanism comprises an installation cavity (101) provided at the bottom of the box body (1), a fixing cavity (102) provided on one side of the installation cavity (101), a rotating gear (5) being rotatably connected to an inner wall of one side of the installation cavity (101), a threaded rod (501) being key-connected to one side of the rotating gear (5), one end of the threaded rod (501) extending to an inner wall of one side of the fixing cavity (102) and being screwed to a moving block (6), a moving plate (601) being fixedly connected to the top of the moving block (6), the moving plate (601) being located in the fixing cavity (102), two fixing columns (602) being fixedly connected to one side of the moving plate (601), a rack (3) being provided on one side of the rotating gear (5), the rack (3) being meshed with the rotating gear (5).

2. A central air conditioning fresh air purification device according to claim 1, characterized in that: The top of the rack (3) is fixedly connected to a fixing block (301), the top of the fixing block (301) is fixedly connected to a mounting post (302), a mounting hole (201) is provided on the top of the filter plate (2), and the top end of the mounting post (302) passes through the top inner wall of the mounting cavity (101) and is slidably connected to the mounting hole (201).

3. A central air conditioning fresh air purification device according to claim 2, characterized in that: A telescopic spring (303) is sleeved on the installation column (302), and two ends of the telescopic spring (303) are fixedly connected to the top inner wall of the installation cavity (101) and the top of the fixing block (301) respectively.

4. A central air conditioning fresh air purification device according to claim 1, characterized in that: A sliding rod (503) is fixedly connected to the inner wall of one side of the fixed cavity (102), and the moving block (6) is slidably sleeved on the sliding rod (503). One end of the sliding rod (503) is fixedly connected to the supporting block (502), and a rotating hole is opened on one side of the supporting block (502), and the threaded rod (501) is rotatably connected to the rotating hole.

5. A central air conditioning fresh air purification device according to claim 1, characterized in that: Two fixing holes (103) are provided on one inner wall of the fixing cavity (102), two fixing grooves (202) are provided on one side of the filter plate (2), and one end of the two fixing columns (602) respectively passes through the two fixing holes (103) and extends into the two fixing grooves (202).

6. A central air conditioning fresh air purification device according to claim 1, characterized in that: A handle (4) is fixedly connected to the top of the filter plate (2).

Images