Ventilation device for green building

By incorporating toothed rods and cleaning brushes into the ventilation and air exchange device, automated cleaning of the filter screen is achieved, solving the problem of filter screen clogging, improving ventilation and cleaning efficiency, and enhancing the practicality of the device.

CN223909657UActive Publication Date: 2026-02-13LINCANG YOULIN EARTHWORK ENGINEERING CO LTD
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Patent Information

Application Number
CN202520603287.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-13
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

In the long term, ventilation and air exchange devices used in green buildings accumulate a large amount of impurities on the filter screen, causing the mesh to become clogged, affecting the ventilation effect. Cleaning is also time-consuming, laborious, and can easily damage the equipment.

Method used

A ventilation duct structure with a toothed rod and a cleaning brush was designed. The toothed rod drives the scraper and cleaning brush to slide up and down, scraping off the impurities on the filter screen and collecting them in the collection box. This avoids the need to disassemble and clean the filter screen and achieves automated cleaning by using a motor-driven gear system.

Benefits of technology

It enables efficient cleaning of the filter without disassembly, preventing mesh clogging, improving ventilation and the practicality of the device, and enhancing cleaning efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ventilation devices, and discloses a ventilation device for a green building, which comprises a first ventilation pipeline, a toothed bar and a purification component, a ventilation opening is formed in the first ventilation pipeline, the purification component is arranged at the left end of the first ventilation pipeline, and the toothed bar is arranged in the first ventilation pipeline. A first filter screen is installed in the first ventilation pipeline through an anchoring part, a fixing block is fixedly connected to the outer portion of the toothed rod and slidably connected to the interior of the first ventilation pipeline, a scraping plate is fixedly connected to the outer portion of the toothed rod, and a cleaning brush is fixedly connected to the rear end of the fixing block. A scraping plate and a cleaning brush are driven to slide up and down in a reciprocating manner, so that impurities on the first filter screen can be cleaned, the scraped impurities are transferred after being accumulated to a certain degree, the first filter screen can be cleaned without being disassembled, the impurities on the first filter screen are prevented from being accumulated, and the ventilation effect is improved; and the practicability of the ventilation device for the green building is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation and air exchange device technical field especially relates to a green building ventilation and air exchange device. BACKGROUND

[0002] Green building refers to in the whole life cycle of building, maximumly saving resources, protecting the environment and reducing pollution, providing healthy, applicable and efficient use space for people, realizing high quality building of people and nature harmonious coexistence, in order to keep the air environment in room meets the health standard, often needs to use ventilation and air exchange device to export the dirty air in building room to the outdoor, and then the fresh air is supplemented into the room.

[0003] In the prior art, since the ventilation and air exchange device for green building will accumulate a large amount of impurities on the filter screen in the process of long-term use, the impurities will cause the filter screen mesh to be blocked, affecting the ventilation effect, and since the filter screen is arranged in the air exchange device, when cleaning, it needs to be disassembled, which not only is time-consuming and laborious, but also is easy to damage the equipment, therefore, a ventilation and air exchange device for green building is needed to solve the above problems. SUMMARY

[0004] In order to overcome the problem that the ventilation and air exchange device for green building will accumulate a large amount of impurities on the filter screen in the process of long-term use, causing the filter screen mesh to be blocked and affecting the ventilation effect.

[0005] The technical scheme of the utility model is: a ventilation and air exchange device for green building, including first ventilation pipeline, still including gear lever and purification assembly, the inside of first ventilation pipeline is provided with ventilation opening, the left end of first ventilation pipeline is provided with purification assembly, the inside of first ventilation pipeline is provided with gear lever, the inside of first ventilation pipeline is installed with first filter screen through anchor, the outside of gear lever is fixedly connected with fixed block, fixed block is connected in the inside of first ventilation pipeline slidingly, the outside of gear lever is fixedly connected with scraper, the rear end of fixed block is fixedly connected with cleaning brush, cleaning brush is connected in the inside of first ventilation pipeline slidingly, through gear lever, it drives scraper and cleaning brush to reciprocate up and down.

[0006] As preferred, the first ventilation pipeline is provided with a groove at the corresponding position of the fixed block, and the fixed block slides in the groove.

[0007] As preferred, the first ventilation pipeline is provided with a groove at the corresponding position of the cleaning brush, and the cleaning brush slides in the groove.

[0008] As preferred, the inside of the first ventilation pipe is fixedly connected with a motor, the output end of the motor is externally fixedly connected with a rotating disc, the inside of the rotating disc is fixedly connected with a first light axis, the inside of the first ventilation pipe is fixedly connected with a supporting plate, the inside of the supporting plate is fixedly connected with a second light axis, the outside of the second light axis is rotatably connected with a sector gear plate, the first light axis is slidably connected in the inside of the sector gear plate, a toothed rod is engaged in the outside of the sector gear plate, the inside of the first ventilation pipe is provided with a collecting box, the left end of the first ventilation pipe is fixedly connected with a limiting frame, the inside of the limiting frame is slidably connected with a stopper, the top of the stopper is fixedly connected with a push block, the push block is slidably connected in the inside of the limiting frame, and a spring is fixedly connected between the push block and the limiting frame.

[0009] As preferred, the sector gear plate is provided with a groove at the corresponding position of the first light axis, and the first light axis slides in the groove.

[0010] As preferred, the purification group comprises a second ventilation pipe, the second ventilation pipe is arranged at the left end of the first ventilation pipe, the outside of the second ventilation pipe is fixedly connected with a fixed frame, the left end of the fixed frame is provided with a mounting frame through bolts, the inside of the mounting frame is fixedly connected with an exhaust fan body, the inside of the second ventilation pipe is provided with a second filter screen through an anchor, and purification bags are arranged between the second filter screens.

[0011] As preferred, two second filter screens are arranged, and the two second filter screens are symmetrically arranged at the two ends of the purification bag.

[0012] The green building ventilation and air exchange device has the advantages that: compared with the filter screen of the green building ventilation and air exchange device, a large amount of impurities can be accumulated on the filter screen during long-term use, the scraper and the cleaning brush are driven to reciprocatingly slide up and down, the impurities on the first filter screen are scraped, the impurities are transferred after being accumulated to a certain degree, the first filter screen can be cleaned without disassembly, the impurities on the first filter screen are prevented from being accumulated, the ventilation effect is improved, the practicability of the green building ventilation and air exchange device is improved, and the problem that the filter screen mesh is blocked and the ventilation effect is affected is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a first ventilation pipe cross section structure schematic view of the utility model;

[0015] Figure 3 It is a cleaning brush structure schematic view of the utility model;

[0016] Figure 4 It is a limiting frame cross section structure schematic view of the utility model;

[0017] Figure 5The utility model discloses a purification assembly structure schematic drawing.

[0018] Figure 6 The utility model discloses a second ventilation pipeline cross section structure schematic drawing.

[0019] Mark explanation: 1, first ventilation pipeline, 21, motor, 22, rotation disc, 23, first optical axis, 24, support plate, 25, second optical axis, 26, fan gear plate, 27, rack, 28, scraper, 29, fixed block, 210, cleaning brush, 211, collection box, 212, limit frame, 213, stopper, 214, push block, 215, spring, 216, first filter screen, 31, second ventilation pipeline, 32, fixed frame, 33, installation frame, 34, exhaust fan body, 35, second filter screen, 36, purification package, 4, ventilation opening. Specific implementation

[0020] The utility model further carries out the explanation with the drawings and examples.

[0021] Please refer to Figure 1 - Figure 6 The utility model provides a kind of ventilation and aeration device for green building, including first ventilation pipeline 1, still including rack 27 and purification assembly, ventilation opening 4 is set in the inside of first ventilation pipeline 1, purification assembly is provided at the left end of first ventilation pipeline 1, rack 27 is provided in the inside of first ventilation pipeline 1, first filter screen 216 is installed in the inside of first ventilation pipeline 1 by anchor, fixed block 29 is fixedly connected to the outside of rack 27, fixed block 29 is slidably connected in the inside of first ventilation pipeline 1, scraper 28 is fixedly connected to the outside of rack 27, cleaning brush 210 is fixedly connected to the rear end of fixed block 29, cleaning brush 210 is slidably connected in the inside of first ventilation pipeline 1, by rack 27, it drives scraper 28 and cleaning brush 210 to reciprocate sliding, by driving rack 27 to reciprocate sliding, it drives cleaning brush 210 to slide in the inside of first ventilation pipeline 1, drives scraper 28 to remove impurity on first filter screen 216 to both ends, by cleaning brush 210, the impurity at both ends is cleaned, the impurity remaining on first filter screen 216 is scraped, purification assembly makes it purify by purification package 36, so that it improves air overall quality, slot is set in the corresponding position of first ventilation pipeline 1 of fixed block 29, fixed block 29 is slid in the slot, so that it is positioned to fixed block 29, drives two cleaning brush 210 and scraper 28 to reciprocate sliding, so that it cleans the impurity on first filter screen 216, so that it improves cleaning efficiency, slot is set in the corresponding position of first ventilation pipeline 1 of cleaning brush 210, cleaning brush 210 is slid in the slot, so that it improves the stability when cleaning brush 210 slides, improves the practicability of device.

[0022] Please see Figure 2 - Figure 4 In this embodiment, a motor 21 is fixedly connected inside the first ventilation duct 1, and a rotating disk 22 is fixedly connected to the output end of the motor 21. A first optical axis 23 is fixedly connected inside the rotating disk 22. A support plate 24 is fixedly connected inside the first ventilation duct 1, and a second optical axis 25 is fixedly connected inside the support plate 24. A sector gear plate 26 is rotatably connected to the outside of the second optical axis 25. The first optical axis 23 is slidably connected inside the sector gear plate 26, and a gear rack 27 meshes with the outside of the sector gear plate 26. A collection box 211 is provided inside the first ventilation duct 1, and a limit frame 21 is fixedly connected to the left end of the first ventilation duct 1. 2. A stop block 213 is slidably connected inside the limiting frame 212. A lever block 214 is fixedly connected to the top of the stop block 213. The lever block 214 is slidably connected inside the limiting frame 212. A spring 215 is fixedly connected between the lever block 214 and the limiting frame 212, so that the first filter screen 216 can be cleaned without disassembly, preventing the accumulation of impurities in the first filter screen 216, improving the ventilation effect, and enhancing the practicality of the ventilation and air exchange device for green buildings. The sector gear plate 26 has a groove at the corresponding position of the first optical axis 23. The first optical axis 23 slides in the groove, which limits the first optical axis 23 and improves the stability of cleaning.

[0023] Please see Figure 5 - Figure 6 In this embodiment, the purification unit includes a second ventilation duct 31, which is located at the left end of the first ventilation duct 1. A fixing frame 32 is fixedly connected to the outside of the second ventilation duct 31. An installation frame 33 is bolted to the left end of the fixing frame 32. An exhaust fan body 34 is fixedly connected inside the installation frame 33. A second filter screen 35 is installed inside the second ventilation duct 31 through anchors. A purification bag 36 is arranged between the second filter screens 35, so that the air is purified by passing through the purification bag 36, thereby improving the overall air quality. There are two second filter screens 35, which are symmetrically distributed at both ends of the purification bag 36, so that they can limit the purification bag 36 and prevent the purification bag 36 from shifting due to the power of the exhaust fan body 34, while also not affecting the air circulation.

[0024] In the process of working, first start the exhaust fan body 34, the air in the green building through the second filter screen 35 into the purification bag 36, the impurities contained in the air is absorbed by the activated carbon in the purification bag 36 after the first ventilation duct 1, because the air pressure difference between the inside and outside of the green building, the air outside the green building through the first ventilation duct 1 opening ventilation opening 4 into the inside of the first ventilation duct 1, so that its impurities adhere to the first filter screen 216, after a period of time, the operation of the ventilation and air exchange device, start the motor 21, the motor 21 drive rotating disc 22 rotation, so that it drives the first optical axis 23 rotation, through the first optical axis 23 in the corresponding slot in the sector gear plate 26 sliding, so that it drives the sector gear plate 26 reciprocating rotation around the second optical axis 25, through the gear rod 27 and sector gear plate 26 meshing, so that it drives the gear rod 27 reciprocating sliding, so that it drives the cleaning brush 210 in the first ventilation duct 1 sliding, drive the scraper 28 to the both ends of the first filter screen 216 on the impurities to scraping, through the cleaning brush 210 to both ends of the impurities are cleaned, the impurities remaining on the first filter screen 216 scraping, the scraped impurities fall into the collection box 211 below, the impurities in the collection box 211 accumulation to a certain amount, by pulling the block 214 upward, so that it is not located to the collection box 211, to the collection box 211 is extracted, the impurities inside are poured out.

[0025] Through the above steps, by driving the scraper 28 and cleaning brush 210 reciprocating sliding, so that it is on the first filter screen 216 on the impurities, the scraped impurities accumulation to a certain degree after transfer, in order to solve the problem of filter screen mesh blockage, affect the ventilation effect.

Claims

1. A ventilation device for green buildings, comprising a first ventilation duct (1), characterized in that: Also include the toothed rod (27) and purification assembly, the first ventilation duct (1) is internally provided with ventilation opening (4), the left end of the first ventilation duct (1) is provided with purification assembly, the inside of the first ventilation duct (1) is provided with toothed rod (27), the inside of the first ventilation duct (1) is installed with first filter screen (216) through anchor, the outside of toothed rod (27) is fixedly connected with fixed block (29), fixed block (29) is slidingly connected in the inside of the first ventilation duct (1), the outside of toothed rod (27) is fixedly connected with scraper (28), the rear end of fixed block (29) is fixedly connected with cleaning brush (210), cleaning brush (210) is slidingly connected in the inside of the first ventilation duct (1), make it drive scraper (28) and cleaning brush (210) reciprocating sliding through toothed rod (27).

2. A green building ventilation device according to claim 1, characterized in that: The first ventilation duct (1) is provided with a groove at the corresponding position of the fixed block (29), and the fixed block (29) slides in the groove.

3. The green building ventilation device according to claim 1, characterized in that: The first ventilation duct (1) is provided with a groove at the corresponding position of the cleaning brush (210), and the cleaning brush (210) slides in the groove.

4. The green building ventilation device according to claim 1, characterized in that: The inside of the first ventilation duct (1) is fixedly connected with motor (21), the output end of motor (21) is fixedly connected with rotating disc (22) outside, the inside of rotating disc (22) is fixedly connected with first optical axis (23), the inside of the first ventilation duct (1) is fixedly connected with support plate (24), the inside of support plate (24) is fixedly connected with second optical axis (25), the outside of second optical axis (25) is rotatably connected with sector gear plate (26), first optical axis (23) is slidingly connected in the inside of sector gear plate (26), toothed rod (27) is engaged in the outside of sector gear plate (26), the inside of the first ventilation duct (1) is provided with collecting box (211), the left end of the first ventilation duct (1) is fixedly connected with limiting frame (212), the inside of limiting frame (212) is slidingly connected with stop block (213), the top of stop block (213) is fixedly connected with push block (214), push block (214) is slidingly connected in the inside of limiting frame (212), spring (215) is fixedly connected between push block (214) and limiting frame (212).

5. A green building ventilation device according to claim 4, characterized in that: The sector gear plate (26) is provided with a groove at the corresponding position of the first optical axis (23), and the first optical axis (23) slides in the groove.

6. The green building ventilation device according to claim 1, characterized in that: The purification assembly includes a second ventilation duct (31), which is arranged at the left end of the first ventilation duct (1). The outside of the second ventilation duct (31) is fixedly connected with a fixed frame (32), and the left end of the fixed frame (32) is installed with an installation frame (33) through bolts. The inside of the installation frame (33) is fixedly connected with an exhaust fan body (34). The inside of the second ventilation duct (31) is installed with a second filter screen (35) through an anchor. The second filter screen (35) is provided with a purification bag (36) between them.

7. A green building ventilation device according to claim 6, characterized in that: The second filter screen (35) is provided with two, and the two second filter screens (35) are symmetrically distributed at both ends of the purification bag (36).