A purification exhaust system

Abstract

The utility model discloses a kind of purification exhaust systems, including being located on the exhaust port of indoor wall, the right side of exhaust port is provided with exhaust frame, exhaust fan is installed in exhaust frame by mounting bracket, the filter screen for purifying and filtering indoor air is arranged in the exhaust port of the left side of exhaust fan.In the utility model, indoor air can be quickly purified and exhaust;And in the purification exhaust process, the flow direction of indoor air by exhaust fan can also be changed, to avoid the situation that the fan is set in fixed mode in the existing purification exhaust system, and then make it difficult to adjust according to actual needs during purification, so as to better meet the indoor air circulation demand, realize the flexible adjustment of exhaust structure, not only improve the use efficiency of purification exhaust system, but also conducive to fully exert its optimization effect on indoor air environment, greatly meet the demand of people's use.

Description

Technical Field

[0001] This utility model relates to the field of purification technology, and in particular to a purification exhaust system. Background Technology

[0002] In indoor environments, air purification and ventilation systems play a crucial role. They effectively remove polluted air, harmful gases, excess heat, and moisture, while introducing purified fresh air, thus maintaining indoor air cleanliness and comfort, and protecting people's health and the quality of their living and working environment. The exhaust power structure provides the power for airflow, ensuring smooth exhaust. Commonly used devices are fans; centrifugal exhaust fans are suitable for scenarios with large air volumes and high air pressure. These fans can be equipped with variable frequency motors to achieve flexible speed adjustment, meeting the needs of different operating conditions.

[0003] However, in existing air purification and ventilation systems, the exhaust structure is responsible for expelling purified air from the system. Because the fans at the exhaust vents are mostly fixed, it's difficult to adjust the airflow according to actual needs. For example, in different indoor layouts and usage scenarios, when it's necessary to direct purified air towards a specific area, or when the distribution of people changes and the airflow direction needs to be adjusted to better meet indoor air circulation requirements, the existing fixed-fan exhaust structure cannot flexibly achieve this. This limitation not only reduces the efficiency of the air purification and ventilation system but also fails to fully realize its role in optimizing the indoor air environment, urgently requiring improvement. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a purification and exhaust system.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A purification and exhaust system includes an exhaust vent installed on an interior wall, an exhaust frame installed on the right side of the exhaust vent, an exhaust fan installed in the exhaust frame via a mounting bracket, and a filter screen for purifying and filtering indoor air installed in the exhaust vent located on the left side of the exhaust fan.

[0007] Multiple air guide vanes are rotatably installed inside the exhaust vent on the left side of the filter, and the left end of the air guide vanes extends to the left side of the exhaust vent; an installation cavity is provided on the indoor wall above the exhaust vent, and a movable rod is movably installed in the installation cavity. The bottom end of the movable rod movably penetrates into the exhaust vent, and the movable rod is movably connected to the air guide vanes.

[0008] A stepper motor is fixedly installed inside the mounting cavity. A gear is fixedly sleeved on the output shaft of the stepper motor. The movable rod is provided with gear transmission teeth, and the movable rod meshes with the gear transmission teeth. A mouth-shaped sliding frame is fixedly connected to the top right end of the air guide vane. The mouth-shaped sliding frame is a rectangular frame. Multiple sliding pins are fixedly connected to the movable rod. The sliding pins movably pass through the mouth-shaped sliding frame and slide to the inner wall of the mouth-shaped sliding frame. An adapter sleeve is also fixedly connected to the air guide vane. An adapter shaft is fixedly connected inside the exhaust port, and the air guide vane is rotatably connected to the adapter shaft through the adapter sleeve.

[0009] Furthermore, multiple guide vanes are evenly spaced and arranged inside the exhaust vent.

[0010] Furthermore, a through hole is provided on the bottom inner wall of the mounting cavity, through which the movable rod moves.

[0011] Furthermore, a mounting base is provided inside the mounting cavity, and a stepper motor is mounted on the mounting base; the mounting bracket is provided with ventilation openings for ventilation.

[0012] Furthermore, a vertically arranged conduit is fixedly connected to the bottom inner wall of the exhaust port, and the bottom end of the movable rod is movably sleeved inside the conduit in the vertical direction.

[0013] Furthermore, a controller is installed on the indoor side of the interior wall, and the controller is electrically connected to the stepper motor and the exhaust fan respectively.

[0014] The beneficial effects achieved by this utility model using the above structure are as follows:

[0015] In this invention, the negative pressure generated by the exhaust fan provides power for indoor air flow, ensuring smooth exhaust. The air is purified and filtered through the filter screen inside the exhaust port, and then the purified air is discharged through the exhaust frame. This facilitates rapid purification and exhaust of indoor air.

[0016] In this invention, during the purification and exhaust process, the guide vanes can swing back and forth via the adapter sleeve based on the adapter shaft through the cooperation of a stepper motor, gears, movable rod, transmission teeth, movable rod and sliding pin, and mouth-shaped sliding frame. This changes the direction of airflow from the exhaust fan to the indoor air, avoiding the situation in existing purification and exhaust systems where the fan is fixed, making it difficult to adjust according to actual needs during the purification process. This helps to better meet the indoor air circulation requirements, realizes flexible adjustment of the exhaust structure, not only improves the efficiency of the purification and exhaust system, but also helps to fully exert its optimization effect on the indoor air environment, greatly meeting people's needs. Attached Figure Description

[0017] Figure 1This is a schematic diagram of the structure of a purification and exhaust system proposed in this utility model;

[0018] Figure 2 This utility model Figure 1 Enlarged structural diagram of part A in the middle;

[0019] Figure 3 for Figure 2 Enlarged structural diagram of part B.

[0020] In the diagram: 1. Interior wall; 2. Exhaust vent; 3. Exhaust frame; 4. Mounting bracket; 401. Ventilation opening; 5. Exhaust fan; 6. Filter screen; 7. Guide vane; 8. Mounting cavity; 9. Stepper motor; 10. Gear; 11. Mounting base; 12. Movable rod; 121. Transmission gear; 13. Sliding pin; 14. Sliding frame; 15. Adapter sleeve; 16. Adapter shaft; 17. Through hole; 18. Conduit; 19. Controller. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1-3 A purification and exhaust system includes an exhaust vent 2 installed on an interior wall 1. An exhaust frame 3 is provided on the right side of the exhaust vent 2. An exhaust fan 5 is installed in the exhaust frame 3 via a mounting bracket 4. A filter screen 6 for purifying and filtering indoor air is provided in the exhaust vent 2 located to the left of the exhaust fan 5. Multiple air guide vanes 7 are rotatably installed in the exhaust vent 2 located to the left of the filter screen 6, and the left end of the air guide vanes 7 extends to the left side of the exhaust vent 2. An installation cavity 8 is provided on the interior wall 1 above the exhaust vent 2. A movable rod 12 is movably installed in the installation cavity 8. The bottom end of the movable rod 12 movably penetrates into the exhaust vent 2, and the movable rod 12 is movably connected to the air guide vanes 7.

[0023] A stepper motor 9 is fixedly installed inside the mounting cavity 8. A gear 10 is fixedly sleeved on the output shaft of the stepper motor 9. A gear transmission tooth 121 is provided on the movable rod 12, and the movable rod 12 meshes with the gear 10 through the gear transmission tooth 121. A mouth-shaped sliding frame 14 is fixedly connected to the top right end of the air guide blade 7. The mouth-shaped sliding frame 14 is a rectangular frame. Multiple sliding pins 13 are fixedly connected to the movable rod 12. The sliding pins 13 movably pass through the mouth-shaped sliding frame 14 and slide in contact with the inner wall of the mouth-shaped sliding frame 14. An adapter sleeve 15 is also fixedly connected to the air guide blade 7. An adapter shaft 16 is fixedly connected inside the exhaust port 2, and the air guide blade 7 is rotatably connected to the adapter shaft 16 through the adapter sleeve 15.

[0024] As a further embodiment, multiple air guide blades 7 are evenly and equidistantly arranged in the exhaust port 2; a through hole 17 is provided on the bottom inner wall of the mounting cavity 8, and the movable rod 12 moves through the through hole 17.

[0025] As a further embodiment, a mounting base 11 is provided in the mounting cavity 8, and a stepper motor 9 is mounted on the mounting base 11; a ventilation opening 401 for ventilation is provided on the mounting bracket 4; a vertically arranged conduit 18 is fixedly connected to the bottom inner wall of the exhaust port 2, and the bottom end of the movable rod 12 is movably sleeved in the conduit 18 in the vertical direction.

[0026] Among them, a controller 19 is installed on the indoor side of the indoor wall 1, and the controller 19 is electrically connected to the stepper motor 9 and the exhaust fan 5 respectively.

[0027] like Figure 1-3 The purification and exhaust system shown in the figure utilizes an exhaust fan 5 for indoor ventilation. The negative pressure generated by the exhaust fan 5 provides power for indoor air flow, ensuring smooth exhaust. The air is purified and filtered through the filter screen 6 inside the exhaust port 2, and then the purified air is discharged through the exhaust frame 3. Furthermore, during the purification and exhaust process, the stepper motor 9 drives the gear 10 to work in both forward and reverse directions. When the gear 10 rotates, it meshes with the transmission teeth 121 on the movable rod 12, causing the movable rod 12 and the sliding pin 13 to move up or down. When the movable rod 12 moves up and down, it also slides with the orifice-shaped sliding frame 14 on the guide vane 7 through the sliding pin 13. This allows the guide vane 7 to swing back and forth through the adapter sleeve 15 based on the adapter shaft 16. By swinging the guide vane 7 back and forth, the direction of airflow from the exhaust fan 5 to the indoor air can be changed. This avoids the situation in existing purification and exhaust systems where the fan is fixed, making it difficult to adjust according to actual needs during the purification process. This helps to better meet the indoor air circulation requirements and achieves flexible adjustment of the exhaust structure. It not only improves the efficiency of the purification and exhaust system but also helps to fully utilize its optimization effect on the indoor air environment, greatly satisfying people's needs.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A purification and exhaust system, characterized in that, Includes an exhaust vent (2) on the interior wall (1), an exhaust frame (3) is provided on the right side of the exhaust vent (2), an exhaust fan (5) is installed in the exhaust frame (3) by means of a mounting bracket (4), and a filter screen (6) for purifying and filtering indoor air is provided in the exhaust vent (2) located on the left side of the exhaust fan (5). Multiple air guide vanes (7) are rotatably installed in the exhaust port (2) located to the left of the filter (6), and the left end of the air guide vanes (7) extends to the left side of the exhaust port (2); an installation cavity (8) is provided on the indoor wall (1) above the exhaust port (2), and a movable rod (12) is movably installed in the installation cavity (8). The bottom end of the movable rod (12) movably penetrates into the exhaust port (2), and the movable rod (12) is movably connected to the air guide vanes (7); A stepper motor (9) is fixedly installed in the mounting cavity (8). A gear (10) is fixedly sleeved on the output shaft of the stepper motor (9). A gear transmission tooth (121) is provided on the movable rod (12). The movable rod (12) meshes with the gear (10) through the gear transmission tooth (121). A mouth-shaped sliding frame (14) is fixedly connected to the top right end of the air guide blade (7). The mouth-shaped sliding frame (14) is a rectangular frame. Multiple sliding pins (13) are fixedly connected to the movable rod (12). The sliding pins (13) move through the mouth-shaped sliding frame (14) and slide with the inner wall of the mouth-shaped sliding frame (14). An adapter sleeve (15) is also fixedly connected to the air guide blade (7). An adapter shaft (16) is fixedly connected to the exhaust port (2). The air guide blade (7) is rotatably connected to the adapter shaft (16) through the adapter sleeve (15).

2. The purification and exhaust system according to claim 1, characterized in that, Multiple air guide blades (7) are evenly spaced and arranged inside the exhaust port (2).

3. The purification and exhaust system according to claim 1, characterized in that, The mounting cavity (8) has a through hole (17) on its bottom inner wall, and the movable rod (12) moves through the through hole (17).

4. The purification and exhaust system according to claim 1, characterized in that, The mounting cavity (8) is provided with a mounting base (11), and a stepper motor (9) is mounted on the mounting base (11); the mounting bracket (4) is provided with a ventilation opening (401) for ventilation.

5. The purification and exhaust system according to claim 1, characterized in that, A vertically arranged conduit (18) is fixedly connected to the bottom inner wall of the exhaust port (2), and the bottom end of the movable rod (12) is movably sleeved in the conduit (18) in the vertical direction.

6. The purification and exhaust system according to claim 1, characterized in that, A controller (19) is provided on the indoor side of the indoor wall (1), and the controller (19) is electrically connected to the stepper motor (9) and the exhaust fan (5).

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