Indoor air pollutant ventilation and exhaust device

By using air guide louvers and driving mechanism in the indoor air pollutant ventilation and exhaust device, flexible adjustment of the suction angle is achieved, solving the problem of fixed suction range of traditional devices, and improving the exhaust effect and adaptability.

CN222504273UActive Publication Date: 2025-02-18THE THIRD CONSTR ENG CO LTD OF CHINA CONSTR SECOND ENG BUREAU
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Patent Information

Application Number
CN202421316238.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-18
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The traditional ventilation and exhaust device has a single function and a fixed suction range angle, which cannot effectively adapt to the needs of different indoor environments, resulting in unsatisfactory exhaust effect.

Method used

An indoor air pollutant ventilation and exhaust device is designed, using multiple air guide blinds and driving mechanisms. Through the cooperation of the drive rod, sliding rod, transmission shaft and motor, the swing of the air guide blinds is realized, and the air suction is flexibly changed. angle.

Benefits of technology

It realizes flexible coverage of the suction range, ensuring that indoor air is sucked into the exhaust hood more evenly, and finally discharged to the outdoor more effectively, adapting to the needs of different indoor environments and improving the exhaust effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an indoor air pollutant ventilation and exhaust device which comprises an exhaust hood used for indoor air suction and exhaust and an installation hanging bracket fixedly installed on the exhaust hood, and the top of the installation hanging bracket is fixedly installed on a ceiling at the indoor top. And a plurality of air guide louver boards are movably mounted in the exhaust hood. According to the utility model, not only can indoor air pollutants be ventilated and discharged outdoors, but also the air guide louver board can be driven by the driving mechanism to swing, and the air suction angle can be flexibly changed, so that the air suction range can better cover the indoor space in all directions; therefore, air in all indoor areas can be sucked into the exhaust hood more evenly, it can be finally guaranteed that the air in all indoor directions is better exhausted out of a room, limitation in exhaust use is smaller, it is guaranteed that the exhaust effect is more ideal, requirements of different indoor environments can be better met, and the exhaust hood is suitable for being used and popularized.
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Description

Technical Field

[0001] The utility model relates to the technical field of exhaust devices, in particular to a ventilation and exhaust device for indoor air pollutants. Background Art

[0002] With the development of modern society and the continuous improvement of people's living standards, people's requirements for the quality of indoor environment are increasing. In daily life and work, various air pollutants are generated indoors, such as formaldehyde, benzene, volatile organic compounds, particulate matter, bacteria, viruses, etc. These pollutants come from a wide range of sources, including building decoration materials, furniture, office supplies, cooking activities, personnel activities, etc.

[0003] Long-term exposure to polluted indoor environments can have many adverse effects on human health, such as respiratory diseases, allergic reactions, cardiovascular diseases, and even cancer. In order to improve indoor air quality and protect people's health, ventilation and exhaust devices came into being.

[0004] However, traditional ventilation and exhaust methods have certain limitations. For example, natural ventilation is limited by climate and environmental conditions, and the effect is unstable. Ordinary exhaust devices often have relatively single functions. For example, the exhaust and air intake range angle of existing ordinary exhaust devices is relatively fixed, which leads to unsatisfactory exhaust and air intake effects, and cannot adapt well to the needs of different indoor environments. The exhaust range is small and the working limitations are large. Therefore, it is of great significance to develop an efficient and adjustable air intake range indoor air pollutant ventilation and exhaust device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a ventilation and exhaust device for indoor air pollutants.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An indoor air pollutant ventilation and exhaust device comprises an exhaust hood for indoor air intake and exhaust, and a mounting hanger fixedly mounted on the exhaust hood, wherein the top of the mounting hanger is fixedly mounted on the ceiling at the top of the room; a plurality of air guide louvers are movably mounted in the exhaust hood, a mounting frame is fixedly mounted at the bottom opening of the exhaust hood, and the bottom ends of the air guide louvers movably penetrate to the bottom of the mounting frame; a plurality of rotating shafts are rotatably mounted in the exhaust hood, and the air guide louvers are rotatably mounted in the exhaust hood through the rotating shafts; a driving mechanism for driving the air guide louvers is also arranged in the mounting frame;

[0008] The driving mechanism includes a driving rod arranged in the installation frame, a plurality of sliding rods are fixedly connected to the driving rod, a sliding groove is arranged on the air guide louver, and the sliding rod also slides through the sliding groove; a mounting groove is arranged on the right inner wall of the installation frame, the right end of the driving rod extends into the mounting groove, a plurality of driving teeth are also fixedly arranged on the right end of the driving rod, a transmission shaft is rotatably installed on the top inner wall of the installation groove, a gear is fixedly sleeved on the bottom end of the transmission shaft, and the driving rod is meshed with the gear transmission through the driving teeth; a motor is fixedly installed on the right inner wall of the installation groove, a worm is fixedly connected to the output end of the motor, a worm wheel is also fixedly sleeved on the transmission shaft, and the worm is meshed with the worm wheel.

[0009] Furthermore, an exhaust duct for exhausting air to the outdoors is fixedly connected to the exhaust hood via a ventilation tube, and an axial flow fan is installed in the ventilation tube via a bracket.

[0010] Furthermore, the plurality of air guide louvers are arranged parallel to each other, and the plurality of air guide louvers are evenly and equidistantly arranged.

[0011] Furthermore, a linkage slide block is fixedly connected to the left end of the driving rod, a linkage slide groove is provided on the left inner wall of the installation frame, and the linkage slide block is slidably installed in the linkage slide groove along a horizontal direction.

[0012] Furthermore, a guide slider is fixedly provided at the right end of the bottom of the driving rod, a guide rail is provided on the bottom inner wall of the mounting groove, and the guide slider is slidably installed on the guide rail in a horizontal direction.

[0013] Furthermore, a bearing seat is provided on the top inner wall of the mounting groove, and the left end of the worm is rotatably mounted on the bearing seat.

[0014] Furthermore, a controller is disposed on the outside of the exhaust hood, and the controller is electrically controlled and connected to the motor.

[0015] By adopting the above structure, the utility model has the following beneficial effects:

[0016] The utility model can not only ventilate and discharge indoor air pollutants to the outdoors, but also can swing the wind guide louvers by driving the driving mechanism, and can flexibly change the suction angle, so that the suction range can better cover all directions of the indoor space, so that the air in all areas of the room can be more evenly sucked into the exhaust hood, and finally can ensure that the air in all directions of the room can be better discharged to the outdoors, which makes the limitation in the use of exhaust air smaller, ensures that the exhaust effect is more ideal, is conducive to better adapting to the needs of different indoor environments, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an indoor air pollutant ventilation and exhaust device proposed by the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged structural diagram of part B in the middle;

[0020] Figure 4 for Figure 2 The structural diagram of the enlarged part A in the middle;

[0021] Figure 5 It is a top view of the structure between the worm, worm wheel, transmission shaft, gear, driving teeth and driving rod.

[0022] In the figure: 1. exhaust hood; 100. axial flow fan; 101. ventilation duct; 102. exhaust duct; 103. mounting bracket; 2. mounting frame; 201. mounting slot; 202. linkage slide slot; 203. linkage slider; 3. air guide louver; 301. slide slot; 302. rotating shaft; 4. motor; 5. worm; 6. worm gear; 7. transmission shaft; 8. gear; 9. drive rod; 901. drive teeth; 902. slide rod; 10. guide slider; 11. bearing seat; 12. controller. 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] Reference Figure 1-5 , a ventilation and exhaust device for indoor air pollutants, comprising an exhaust hood 1 for indoor air intake and exhaust, and a mounting hanger 103 fixedly mounted on the exhaust hood 1, and the top of the mounting hanger 103 is fixedly mounted on the ceiling at the top of the room; a plurality of air guide louvers 3 are movably mounted in the exhaust hood 1, a mounting frame 2 is fixedly mounted at the bottom opening of the exhaust hood 1, and the bottom ends of the air guide louvers 3 are movably penetrated to the bottom of the mounting frame 2; a plurality of rotating shafts 302 are rotatably mounted in the exhaust hood 1, and the air guide louvers 3 are rotatably mounted in the exhaust hood 1 through the rotating shafts 302; a driving mechanism for driving the air guide louvers 3 is also arranged in the mounting frame 2;

[0025] The driving mechanism includes a driving rod 9 arranged in the installation frame 2, and a plurality of sliding rods 902 are fixedly connected to the driving rod 9. A sliding groove 301 is provided on the air guide louver 3, and the sliding rod 902 also slides through the sliding groove 301; a mounting groove 201 is provided on the right inner wall of the installation frame 2, and the right end of the driving rod 9 extends into the mounting groove 201. A plurality of driving teeth 901 are also fixedly provided on the right end of the driving rod 9. A transmission shaft 7 is rotatably installed on the top inner wall of the mounting groove 201, and a gear 8 is fixedly sleeved on the bottom end of the transmission shaft 7, and the driving rod 9 is meshed with the gear 8 through the driving teeth 901; a motor 4 is fixedly installed on the right inner wall of the mounting groove 201, and a worm 5 is fixedly connected to the output end of the motor 4. A worm wheel 6 is also fixedly sleeved on the transmission shaft 7, and the worm 5 meshes with the worm wheel 6.

[0026] In this embodiment, the exhaust hood 1 is also fixedly connected to an exhaust duct 102 for exhausting air to the outdoors through a ventilation tube 101, and an axial flow fan 100 is also installed in the ventilation tube 101 through a bracket; multiple air guide louvers 3 are arranged parallel to each other, and the multiple air guide louvers 3 are evenly arranged at equal distances.

[0027] In this embodiment, the left end of the driving rod 9 is fixedly connected to a linkage slider 203, a linkage slide groove 202 is provided on the left inner wall of the mounting frame 2, and the linkage slider 203 is slidably installed in the linkage slide groove 202 along the horizontal direction; a guide slider 10 is fixedly provided at the bottom right end of the driving rod 9, a guide rail is provided on the bottom inner wall of the mounting groove 201, and the guide slider 10 is slidably installed on the guide rail along the horizontal direction.

[0028] Among them, a bearing seat is arranged on the top inner wall of the installation groove 201, and the left end of the worm 5 is rotatably installed on the bearing seat 11; a controller 12 is also arranged on the outer side of the exhaust hood 1, and the controller 12 is electrically controlled and connected with the motor 4.

[0029] like Figure 1-5As shown, the indoor air pollutant ventilation and exhaust device, when in use, utilizes the axial flow fan 100 to make the indoor air be sucked in through the bottom opening of the exhaust hood 1, and then exhausted to the outside through the cooperation of the ventilation tube 101 and the exhaust duct 102. When the gear 8 rotates, it also meshes with the driving teeth 901 on the driving rod 9 to drive the driving rod 9 to reciprocate left and right. When the driving rod 9 moves, it also slides with the sliding groove 301 on the wind guide louver 3 through the sliding rod 902, so that the wind guide louver 3 swings left or right based on the rotating shaft 302. In this way, the swinging of multiple wind guide louvers 3 can flexibly change the suction angle, so that the suction range can better cover all directions of the indoor space, so that the air in all areas of the room can be more evenly sucked into the exhaust hood 1, and finally it can ensure that the air in all directions of the room is better discharged to the outside, so that the limitation of exhaust use is smaller, and the exhaust effect is guaranteed to be more ideal, which is conducive to better adapting to the needs of different indoor environments and is suitable for popularization and use.

[0030] 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. An indoor air pollutant ventilation and exhaust device, comprising an exhaust hood (1) for indoor air intake and exhaust, and a mounting hanger (103) fixedly mounted on the exhaust hood (1), wherein the top of the mounting hanger (103) is fixedly mounted on the ceiling at the top of the room; characterized in that: A plurality of air guide louvers (3) are movably mounted in the exhaust hood (1); a mounting frame (2) is fixedly mounted at the bottom opening of the exhaust hood (1), and the bottom ends of the air guide louvers (3) are movably extended to the bottom of the mounting frame (2); a plurality of rotating shafts (302) are rotatably mounted in the exhaust hood (1), and the air guide louvers (3) are rotatably mounted in the exhaust hood (1) via the rotating shafts (302); a driving mechanism for driving the air guide louvers (3) is also arranged in the mounting frame (2); The driving mechanism comprises a driving rod (9) arranged in the mounting frame (2), a plurality of sliding rods (902) being fixedly connected to the driving rod (9), a sliding groove (301) being provided on the air guide louver plate (3), and the sliding rod (902) also slidingly penetrates the sliding groove (301); a mounting groove (201) is provided on the right inner wall of the mounting frame (2), the right end of the driving rod (9) extends into the mounting groove (201), and a plurality of driving gears are also fixedly provided at the right end of the driving rod (9). A transmission shaft (7) is rotatably mounted on the top inner wall of the mounting groove (201), a gear (8) is fixedly sleeved on the bottom end of the transmission shaft (7), and a driving rod (9) is transmission-engaged with the gear (8) through the driving gear (901); a motor (4) is fixedly mounted on the right inner wall of the mounting groove (201), a worm (5) is fixedly connected to the output end of the motor (4), a worm wheel (6) is also fixedly sleeved on the transmission shaft (7), and the worm (5) is meshed with the worm wheel (6).

2. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: An exhaust duct (102) for exhausting air to the outdoors is also fixedly connected to the exhaust hood (1) via a ventilation tube (101), and an axial flow fan (100) is also installed in the ventilation tube (101) via a bracket.

3. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: The plurality of air guide louvers (3) are arranged parallel to each other, and the plurality of air guide louvers (3) are evenly arranged at equal distances.

4. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: The left end of the driving rod (9) is fixedly connected to a linkage slide block (203); a linkage slide groove (202) is provided on the left inner wall of the installation frame (2); and the linkage slide block (203) is slidably installed in the linkage slide groove (202) along a horizontal direction.

5. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: A guide slider (10) is fixedly arranged at the right end of the bottom of the driving rod (9), a guide rail is arranged on the bottom inner wall of the installation groove (201), and the guide slider (10) is slidably installed on the guide rail in a horizontal direction.

6. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: A bearing seat (11) is provided on the top inner wall of the installation groove (201), and the left end of the worm (5) is rotatably mounted on the bearing seat (11).

7. The indoor air pollutant ventilation and exhaust device according to claim 1, characterized in that: A controller (12) is also provided on the outside of the exhaust hood (1), and the controller (12) is electrically controlled and connected to the motor (4).