Self-sealing type air filter
By using a motor-driven screw system and cylinder scraper design in a self-sealing air filter, the problem of dust accumulation caused by exposed air inlets and outlets of the air filter is solved, achieving automated sealing and dust cleaning, and improving filtration efficiency and service life.
Patent Information
- Application Number
- CN202422630516.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-10-30
AI Technical Summary
When not in use, the air inlet and outlet of existing air filters are exposed. Long-term exposure can easily lead to the accumulation of external dust and dirt, reducing filtration efficiency and shortening service life.
A self-sealing air filter was designed, which automatically controls the opening and closing of the sealing door through a motor-driven screw system, and removes dust by a cylinder-driven scraper, thereby achieving automatic sealing and dust removal of the air inlet and outlet.
It achieves automated sealing of the air filter's inlet and outlet, preventing dust accumulation, improving filtration efficiency, and extending service life. It is simple to operate and highly practical.
Smart Images

Figure CN223668882U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air filter technical field especially is involved in a kind of self-sealing air filter. BACKGROUND
[0002] Air purifier is also called "air cleaner", air freshener, which can absorb, decompose or transform various air pollutants (including dust, pollen, peculiar smell, formaldehyde and other decoration pollution, bacteria, allergens, etc.), effectively improve air cleanliness, and at present, household and commercial air purifiers for removing indoor air pollution are mainly used.
[0003] The existing patent announcement No. CN219848723U discloses an air filter with a self-sealing device, relating to the technical field of air filters. The air filter with a self-sealing device includes an air filter main body, a fixed frame is fixedly connected inside the air filter main body, a replacement mechanism is fixedly installed on one side of the air filter main body, and a sealing mechanism is arranged inside the air filter main body. When the air inlet and air outlet of the air filter main body need to be sealed, the sealing disc is set, the knob is first rotated to drive the first bevel gear to rotate, the second bevel gear is driven by the first bevel gear to rotate, and the threaded sleeve rod rotates at the same time. At this time, the threaded sleeve rod drives the threaded sleeve on its outer surface to rotate and lift, so that the sealing disc rises and seals the air inlet and air outlet. This device is convenient for sealing the air inlet and air outlet of the air filter main body.
[0004] The existing air filter has exposed air inlet and air outlet when not in use, which can easily accumulate dust and dirt on the surface of the air inlet and air outlet, reducing the filtering efficiency of the air filter and shortening the service life of the air filter. Therefore, we propose a self-sealing air filter to solve the above-mentioned problems. SUMMARY
[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0006] Therefore, the self-sealing air filter can solve the problem that the air filter is exposed and the dust and dirt are accumulated on the surface of the air filter, thereby improving the filtering efficiency and prolonging the service life of the air filter.
[0007] To solve the above technical problems, the utility model provides a kind of self-sealing air filter, using the following technical solutions: including box, the left and right ends of the box front side are provided with movable slot, the first screw rod and the second screw rod are respectively connected in the upper and lower sides of the inner wall between the two movable slot inner cavities, the thread direction of the first screw rod and the second screw rod, and the first screw rod and the second screw rod surface are respectively screw thread movable connection with first slider and second slider, the first sealing door and the second sealing door are respectively movably hinged on the upper and lower ends of the box front side, the first sealing door left side and first slider are movably hinged by first connecting rod, and the second sealing door right side and second slider are movably hinged by second connecting rod.
[0008] Optionally, the air inlet and the air outlet are sequentially fixed and installed on the box front side from top to bottom, the first sealing door is located on the front side of the air inlet, and the second sealing door is located on the front side of the air outlet.
[0009] Optionally, the mounting seat is fixedly installed on the bottom of the box, and the bottom ends of the first screw rod and the second screw rod penetrate through the bottom of the box, and the bottom ends of the first screw rod and the second screw rod extend into the inside of the mounting seat.
[0010] Optionally, the first screw rod and the second screw rod are fixedly installed with sprocket at the bottom end, and the chain is engaged between the two sprockets, the motor is fixedly installed in the inner cavity bottom of the mounting seat, and the output end of the motor is fixedly connected to the bottom end of the first screw rod.
[0011] Optionally, the box inner cavity is fixedly installed with a partition plate, the filter plate is fixedly installed on the top of the partition plate, and the filter plate is located on the rear side of the air inlet.
[0012] Optionally, the air cylinder is fixedly installed on the top of the box, the driving rod is fixedly connected to the output end of the air cylinder, the scraper is fixedly installed on the bottom of the driving rod, and the rear end of the scraper is attached to the front side of the filter plate.
[0013] Optionally, the collecting box is inserted into the top of the partition plate, and the collecting box penetrates through the left side of the box.
[0014] In summary, the utility model discloses at least one beneficial effect that 1, through setting motor, motor starts and drives first screw rod rotation, and first screw rod rotation drives second screw rod synchronous rotation through sprocket and chain, because the first screw rod and second screw rod surface thread line direction is opposite, so first slider and second slider on the first screw rod and second screw rod move towards opposite directions, and first slider and second slider move through first connecting rod and second connecting rod and drive first sealing door and second sealing door open and close, thereby reach the automation to the air filter air inlet and air outlet are sealed, simple operation, strong practicality.
[0015] 2, through setting air cylinder, air cylinder drives scraper to move down through drive rod, and scraper moves down to scrape dust on the filter plate surface, and dust falls in the collecting box below, and the user unifies the treatment to the dust in the collecting box through the collecting box from the left side of the box body, simple operation, strong practicality. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.
[0017] Figure 1 It is the overall structure schematic diagram of the utility model;
[0018] Figure 2 It is the internal structure cross section schematic diagram of the mounting seat of the utility model;
[0019] Figure 3 It is the internal cross section schematic diagram of the box body of the utility model;
[0020] Figure 4 It is the left side schematic diagram of the overall structure of the utility model.
[0021] Mark explanation: 1, box body;2, movable groove;3, first screw rod;4, second screw rod;5, first slider;6, second slider;7, first sealing door;8, second sealing door;9, first connecting rod;10, second connecting rod;11, air inlet;12, air outlet;13, mounting seat;14, sprocket;15, chain;16, motor;17, partition;18, filter plate;19, air cylinder;20, drive rod;21, scraper;22, collecting box. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings of the utility model to further illustrate the utility model. Figures 1-4 The utility model is further illustrated in detail.
[0023] Embodiment one, refer to Figures 1-4 In order to solve the problem that the air inlet and the air outlet of the existing air filter are exposed when not in use, and the dust and dirt in the external environment are easily accumulated on the surface of the air inlet and the air outlet, thereby reducing the filtering efficiency of the air filter and shortening the service life of the air filter, the utility model discloses a self-sealing air filter,
[0024] The utility model provides a box 1, both ends of the front side of box 1 are provided with movable slot 2, first screw rod 3 and second screw rod 4 are rotatably connected between the inner wall of the upper and lower sides of the inner cavity of two movable slot 2 respectively, the thread direction of first screw rod 3 and second screw rod 4, and first screw rod 3 and second screw rod 4 surface respectively screw thread movable joint have first sliding block 5 and second sliding block 6, the upper and lower ends of the front side of box 1 are movably hinged with first sealing door 7 and second sealing door 8 respectively, first sealing door 7 left side and first sliding block 5 are movably hinged through first connecting rod 9, and second sealing door 8 right side and second sliding block 6 are movably hinged through second connecting rod 10.
[0025] The front side of box 1 is sequentially provided with air inlet 11 and air outlet 12 from top to bottom, first sealing door 7 is located on the front side of air inlet 11, and second sealing door 8 is located on the front side of air outlet 12.
[0026] The bottom of box 1 is fixedly provided with a mounting seat 13, the bottom ends of first screw rod 3 and second screw rod 4 penetrate through the bottom of box 1, and the bottom ends of first screw rod 3 and second screw rod 4 extend into the inside of mounting seat 13.
[0027] The bottom ends of first screw rod 3 and second screw rod 4 are fixedly provided with chain wheels 14, a chain 15 is arranged between the two chain wheels 14 and engaged, a motor 16 is fixedly arranged in the bottom of the inner cavity of mounting seat 13, and the output end of motor 16 is fixedly connected to the bottom end of first screw rod 3.
[0028] The inner cavity of box 1 is fixedly provided with a partition plate 17, the top of partition plate 17 is fixedly provided with a filter plate 18, and the filter plate 18 is located on the rear side of air inlet 11.
[0029] The top of box 1 is fixedly provided with a gas cylinder 19, the output end of gas cylinder 19 is fixedly connected with a driving rod 20, the bottom of driving rod 20 is fixedly provided with a scraper 21, and the rear end of scraper 21 is attached to the front side of filter plate 18.
[0030] The top of partition plate 17 is inserted with a collecting box 22, and the collecting box 22 penetrates through the left side of box 1.
[0031] Specific working principle is: by setting motor 16, motor 16 start driving first screw rod 3 rotation, first screw rod 3 rotation through sprocket 14 and chain 15 drive second screw rod 4 synchronous rotation, because the first screw rod 3 and second screw rod 4 surface thread direction is opposite, so the first screw rod 3 and second screw rod 4 on the first slider 5 and second slider 6 move to opposite direction, the first slider 5 and second slider 6 move through the first connecting rod 9 and second connecting rod 10 drive first sealing door 7 and second sealing door 8 open and close, so as to achieve automatic sealing for air filter air inlet 11 and air outlet 12, simple operation, strong practicality, by setting cylinder 19, cylinder 19 through driving rod 20 drive scraper 21 downwardly, scraper 21 downwardly so as to scrape the dust on the surface of filter plate 18, dust falls in the collection box 22 inside below, user through the collection box 22 from the left side of the box 1 draws out, so as to carry out unified treatment to the dust in the collection box 22 inside.
[0032] The wiring diagram of the motor and the cylinder in the utility model belongs to the common general knowledge in the field, and its working principle is a well-known technology, and the model thereof is selected according to actual use, so the control mode and the wiring arrangement of the motor and the cylinder are not explained in detail.
[0033] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A self-sealing air filter comprising a box (1), characterized in that: The box (1) is provided with movable grooves (2) at the left and right ends of the front side, first and second screw rods (3, 4) are rotatably connected between the inner walls of the upper and lower sides of the inner cavities of the two movable grooves (2), the screw threads of the first and second screw rods (3, 4) are in opposite directions, first and second sliding blocks (5, 6) are threadedly connected to the surfaces of the first and second screw rods (3, 4), respectively, first and second sealing doors (7, 8) are movably hinged to the upper and lower ends of the front side of the box (1), respectively, the first sealing door (7) is movably hinged to the first sliding block (5) through a first connecting rod (9), and the second sealing door (8) is movably hinged to the second sliding block (6) through a second connecting rod (10).
2. A self-sealing air filter according to claim 1, characterized in that: The box (1) is provided with an air inlet (11) and an air outlet (12) fixedly installed from top to bottom on the front side, the first sealing door (7) is located in front of the air inlet (11), and the second sealing door (8) is located in front of the air outlet (12).
3. A self-sealing air filter according to claim 1, wherein: The box (1) is provided with an air inlet (11) and an air outlet (12) fixedly installed from top to bottom on the front side, the first sealing door (7) is located in front of the air inlet (11), and the second sealing door (8) is located in front of the air outlet (12).
4. A self-sealing air filter according to claim 1, wherein: The box (1) is provided with a mounting seat (13) fixedly installed at the bottom, the bottom ends of the first and second screw rods (3, 4) penetrate through the bottom of the box (1), and the bottom ends of the first and second screw rods (3, 4) extend into the mounting seat (13), a motor (16) is fixedly installed at the bottom of the inner cavity of the mounting seat, and the output end of the motor (16) is fixedly connected to the bottom end of the first screw rod (3).
5. A self-sealing air filter according to claim 1, wherein: The bottom ends of the first and second screw rods (3, 4) are fixedly installed with chain wheels (14), and a chain (15) is arranged between the two chain wheels (14) to engage.
6. A self-sealing air filter according to claim 1, wherein: A partition plate (17) is fixedly installed in the inner cavity of the box (1), a filter plate (18) is fixedly installed at the top of the partition plate (17), and the filter plate (18) is located behind the air inlet (11).
7. A self-sealing air filter according to claim 5 wherein: A cylinder (19) is fixedly installed at the top of the box (1), a driving rod (20) is fixedly connected to the output end of the cylinder (19), a scraper (21) is fixedly installed at the bottom of the driving rod (20), and the rear end of the scraper (21) is attached to the front side of the filter plate (18). A collecting box (22) is inserted into the top of the partition plate (17), and the collecting box (22) penetrates through the left side of the box (1).
Citation Information
Patent Citations
Air filter with self-sealing device
CN219848723U