An air volume regulating device for an air handling unit

By using a motor-driven gear system and a filter-designed airflow regulation device, the problem of air handling equipment being unable to precisely regulate airflow has been solved, achieving energy saving and improved comfort, as well as enhancing the reliability and efficiency of the equipment.

CN224284890UActive Publication Date: 2026-05-26JIANGMEN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGMEN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-06-25
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing air handling equipment cannot adjust airflow according to actual needs, resulting in energy waste and poor comfort, and it cannot adapt to the needs of different spaces or usage scenarios.

Method used

The rotation angle of the air volume regulating plate is controlled by a motor-driven gear system. Combined with the design of a filter and a foreign object protection screen, it can achieve precise air volume adjustment and air purification. Intelligent operation is achieved through the control panel.

Benefits of technology

It enables precise airflow adjustment, reduces energy consumption, saves operating costs, improves equipment reliability and service life, and enhances comfort and operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model relates to the field of air handling equipment technology, specifically an airflow regulating device for an air handling equipment. The device includes a purification box with an air inlet slot at the top. A suction fan is rotatably connected to the bottom of the inner wall of the air inlet slot. A connecting block is fixedly connected inside the air inlet slot and above the suction fan. Airflow regulating plates are symmetrically arranged on the outer side of the connecting block. A connecting rod is fixedly connected to the end of each airflow regulating plate away from the connecting block. The end of each connecting rod away from the airflow regulating plate extends to the outer side of the purification box and is fixedly connected to a gear. A gear ring is rotatably connected to the outer side of the purification box, and the gears mesh with the gear ring. Closing slots are provided on both sides of the airflow regulating plates. The beneficial effect of this utility model is that the motor drives one of the gears to rotate, causing the gear ring to link all the gears, enabling precise control of the rotation angle of the airflow regulating plates and achieving precise airflow regulation to meet the precise airflow requirements of different usage scenarios.
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Description

Technical Field

[0001] This utility model relates to the field of air handling equipment technology, and in particular to an air volume regulating device for air handling equipment. Background Technology

[0002] Air handling equipment is a device used to regulate and control indoor air quality, and is widely used in homes, offices, industrial plants and other places.

[0003] In existing air handling equipment, the air volume regulation device is an important component. First, the inability to adjust the air volume according to actual needs will lead to energy waste. The equipment may continue to operate at high power, even if the indoor air has reached an ideal state. This will increase operating costs and reduce energy efficiency. Second, a fixed air volume is difficult to adapt to the needs of different spaces or usage scenarios. For example, in a small room, a high air volume may cause excessive airflow, leading to discomfort. In a large space, a low air volume cannot effectively regulate air quality, affecting comfort.

[0004] To address the above issues, we have introduced an airflow regulating device for air handling equipment. Summary of the Invention

[0005] This utility model discloses an air volume regulating device for an air handling equipment, which aims to solve the technical problems in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An airflow regulating device for an air handling unit includes a purification box. An air inlet slot is formed at the top of the purification box. A suction fan is rotatably connected to the bottom of the inner wall of the air inlet slot. A connecting block is fixedly connected inside the air inlet slot and above the suction fan. Airflow regulating plates are symmetrically formed on the outer side of the connecting block. A connecting rod is fixedly connected to the end of each airflow regulating plate away from the connecting block. The end of each connecting rod away from the airflow regulating plate extends to the outer side of the purification box and is fixedly connected to a gear. A gear ring is rotatably connected to the outer side of the purification box. The gears mesh with the gear ring. Closing slots are formed on both sides of each airflow regulating plate. Adjacent airflow regulating plates cooperate through the closing slots. A fixing plate is fixedly connected to the outer side of the purification box. A motor is fixedly connected to one side of the fixing plate. The output shaft of the motor passes through the fixing plate and is fixedly connected to one side of one of the gears.

[0008] When purifying indoor air, if it is necessary to adjust the air volume, start the motor, which drives the gear connected to it to rotate. Through the gear ring, it makes other gears rotate synchronously, which in turn drives the air volume adjustment plate to rotate around the connecting block. When the opening angle of the air volume adjustment plate increases, the air volume in the air inlet increases, and the suction fan draws more air into the purification box; conversely, the air volume decreases.

[0009] In a preferred embodiment, a side groove is provided on one side of the purification box, the bottom of the air inlet groove is connected to the side groove, and a filter is threadedly connected to the top of the inner wall of the side groove.

[0010] When air enters the purification chamber through the air inlet slot and side slot, the filter intercepts dust, particles and other impurities in the air. When the filter becomes clogged after a period of use, it can be unscrewed from the top of the inner wall of the side slot by rotating it to replace it with a new filter, thus ensuring the air purification effect.

[0011] In a preferred embodiment, a baffle is provided on one side of the purification box and outside the side groove. Ventilation slots are provided on both sides of the baffle at equal intervals. Two magnets are embedded on both sides of the side groove and the baffle, and the two magnets are used in conjunction with each other.

[0012] When installing the baffle, place it close to the side channel, and the magnets on both sides attract each other to fix it, so that the baffle is installed firmly. Air enters the purification box through the ventilation channel and the side channel. The baffle can prevent large foreign objects from entering the side channel and damaging the filter, while not affecting air circulation.

[0013] In a preferred embodiment, an embedded handle is inlaid on the outer side of the retaining frame.

[0014] When it is necessary to disassemble the baffle for cleaning or to replace the filter, hold the embedded handle and use the handle to easily remove the baffle from the side groove. The operation is convenient and effortless.

[0015] In a preferred embodiment, a control panel is fixedly connected to one side of the purification box, and the motor and the suction fan are both electrically connected to the control panel.

[0016] Users set the airflow level on the control panel, which controls the motor rotation, adjusts the angle of the airflow adjustment plate to change the air intake, and controls the speed of the suction fan to ensure that air is drawn into the purification chamber at the set airflow, thus achieving intelligent operation.

[0017] In a preferred embodiment, four silicone anti-slip pads are fixedly connected to the bottom of the purification box.

[0018] When placing air handling equipment on flat surfaces such as desktops or floors, silicone anti-slip feet increase the friction between the equipment and the surface, preventing the equipment from sliding due to fan vibration during operation and ensuring stable placement.

[0019] In a preferred embodiment, a foreign object protection mesh is attached to the top of the purification box and outside the air inlet slot by screws.

[0020] During equipment operation, the foreign object protection net blocks larger foreign objects such as leaves and paper scraps from entering the air inlet slot, preventing foreign objects from jamming the suction fan or affecting the normal rotation of the air volume regulating plate, thus ensuring the safe and stable operation of the equipment.

[0021] The air volume regulating device for an air handling equipment provided by this utility model has the following advantages:

[0022] In this utility model:

[0023] 1. The motor drives one of the gears to rotate, which causes the gear ring to link all the gears, enabling precise control of the rotation angle of the air volume regulating plate, achieving precise adjustment of the air volume, and meeting the precise air volume requirements of different usage scenarios.

[0024] 2. The closed slot formed by the cooperation of two adjacent air volume regulating plates effectively reduces air flow resistance, reduces the energy required to reduce resistance, reduces the operating energy consumption of the air handling equipment, and saves operating costs;

[0025] 3. The overall structure of the device is simple and the number of parts is relatively small, which reduces manufacturing costs. At the same time, it facilitates the installation, maintenance and repair of the equipment, improves the reliability and service life of the equipment, and greatly improves the quality of operation and efficiency compared with traditional devices. Attached Figure Description

[0026] Figure 1 This is a first-view perspective three-dimensional schematic diagram of an air volume regulating device for an air handling equipment proposed in this utility model.

[0027] Figure 2 This is a second-view perspective three-dimensional schematic diagram of an air volume regulating device for an air handling equipment proposed in this utility model.

[0028] Figure 3 This is a front sectional view of an air volume regulating device for an air handling equipment proposed in this utility model.

[0029] Figure 4 This is a side sectional perspective view of a three-dimensional schematic diagram of an air volume regulating device for an air handling equipment proposed in this utility model.

[0030] Figure 5 This is a schematic diagram of the closed airflow regulating plate of an airflow regulating device for an air handling equipment proposed in this utility model.

[0031] Figure 6 This is a schematic diagram of the air volume regulating plate structure of an air volume regulating device for an air handling equipment proposed in this utility model.

[0032] In the attached diagram: 1. Purification box; 2. Air inlet slot; 3. Connecting block; 4. Air volume regulating plate; 5. Connecting rod; 6. Gear; 7. Gear ring; 8. Closing slot; 9. Fixing plate; 10. Motor; 11. Suction fan; 12. Side slot; 13. Filter; 14. Baffle frame; 15. Ventilation slot; 16. Magnet; 17. Embedded handle; 18. Control panel; 19. Silicone anti-slip pad; 20. Foreign object protection net. Detailed Implementation

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and marked in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0034] The air volume regulating device for air handling equipment disclosed in this utility model is mainly used in the application of air handling equipment.

[0035] Reference Figures 1-6 An airflow regulating device for an air handling equipment includes a purification box 1. An air inlet slot 2 is formed at the top of the purification box 1. A suction fan 11 is rotatably connected to the bottom of the inner wall of the air inlet slot 2. A connecting block 3 is fixedly connected inside the air inlet slot 2 and above the suction fan 11. Airflow regulating plates 4 are symmetrically formed on the outer side of the connecting block 3. A connecting rod 5 is fixedly connected to the end of each airflow regulating plate 4 away from the connecting block 3. The end of each connecting rod 5 away from the airflow regulating plate 4 extends to the outer side of the purification box 1 and is fixedly connected to a gear 6. A gear ring 7 is rotatably connected to the outer side of the purification box 1. The gear 6 meshes with the gear ring 7. Closing slots 8 are formed on both sides of the airflow regulating plate 4. Two adjacent airflow regulating plates 4 cooperate through the closing slots 8. A fixing plate 9 is fixedly connected to the outer side of the purification box 1. A motor 10 is fixedly connected to one side of the fixing plate 9. The output shaft of the motor 10 passes through the fixing plate 9 and is fixedly connected to one side of one of the gears 6.

[0036] In this embodiment: When purifying indoor air, if it is necessary to adjust the air volume, start the motor 10, which drives the gear 6 connected to it to rotate. Through the gear ring 7, the other gears 6 rotate synchronously, thereby driving the air volume adjustment plate 4 to rotate around the connecting block 3. When the opening angle of the air volume adjustment plate 4 increases, the air volume of the air inlet slot 2 increases, and the suction fan 11 draws more air into the purification box 1; conversely, the air volume decreases.

[0037] In a preferred embodiment, a side groove 12 is provided on one side of the purification box 1, the bottom of the air inlet groove 2 is connected to the side groove 12, and a filter 13 is threadedly connected to the top of the inner wall of the side groove 12.

[0038] In this embodiment, when air enters the purification chamber 1 through the air inlet slot 2 and the side slot 12, the filter 13 intercepts dust, particles and other impurities in the air. When the filter 13 becomes clogged after a period of use, it can be unscrewed from the top of the inner wall of the side slot 12 by rotating it to replace it with a new filter 13, thus ensuring the air purification effect.

[0039] In a preferred embodiment, a baffle 14 is provided on one side of the purification box 1 and outside the side groove 12. Ventilation grooves 15 are provided on both sides of the baffle 14 at equal intervals. Two magnets 16 are embedded on both sides of the side groove 12 and the baffle 14, and the two magnets 16 are used in conjunction with each other.

[0040] In this embodiment: when installing the baffle frame 14, it is placed close to the side groove 12, and the magnets 16 on both sides attract and fix each other, so that the baffle frame 14 is installed stably. Air enters the purification box 1 through the ventilation groove 15 and the side groove 12. The baffle frame 14 can prevent large foreign objects from entering the side groove 12 and damaging the filter 13, while not affecting air circulation.

[0041] In a preferred embodiment, an embedded handle 17 is inlaid on the outer side of the retaining frame 14.

[0042] In this embodiment: when it is necessary to disassemble the baffle frame 14 to clean or replace the filter 13, hold the embedded handle 17 and use the handle to easily remove the baffle frame 14 from the side groove 12. The operation is convenient and effortless.

[0043] In a preferred embodiment, a control panel 18 is fixedly connected to one side of the purification box 1, and the motor 10 and the suction fan 11 are both electrically connected to the control panel 18.

[0044] In this embodiment, the user sets the airflow level on the control panel 18, which controls the motor 10 to rotate, adjusts the angle of the airflow adjustment plate 4 to change the air intake, and simultaneously controls the speed of the suction fan 11 to ensure that air is drawn into the purification box 1 at the set airflow, thus achieving intelligent operation.

[0045] In a preferred embodiment, four silicone anti-slip pads 19 are fixedly connected to the bottom of the purification box 1.

[0046] In this embodiment, when the air handling unit is placed on a flat surface such as a desktop or the ground, the silicone anti-slip pads 19 increase the friction between the unit and the surface, preventing the unit from sliding due to the vibration of the suction fan 11 during operation, and ensuring that the unit is placed stably.

[0047] In a preferred embodiment, a foreign object protection net 20 is connected to the top of the purification box 1 and outside the air inlet slot 2 by screws.

[0048] In this embodiment, during equipment operation, the foreign object protection net 20 blocks larger foreign objects such as leaves and paper scraps from entering the air inlet slot 2, preventing foreign objects from jamming the suction fan 11 or affecting the normal rotation of the air volume regulating plate 4, thus ensuring the safe and stable operation of the equipment.

[0049] Working principle: During use, when air enters the purification chamber 1 through the air inlet slot 2, the suction fan 11 rotates to accelerate airflow; the motor 10 drives the gear 6 to rotate, and the gear 6 meshes with the gear ring 7, driving the connecting rod 5 and the airflow regulating plate 4 to rotate. Through the cooperation of the closing slot 8, the opening and closing angle of the airflow regulating plate 4 is adjusted to control the airflow; the filter 13 filters the air in the side slot 12 to remove impurities and particles; the baffle frame 14 is fixed to the outside of the side slot 12 by the magnet 16, the ventilation slot 15 ensures airflow, and the embedded handle 17 facilitates the disassembly and reassembly of the baffle frame 14. Installation; Control panel 18 controls the operation of motor 10 and suction fan 11, ensuring precise operation of air volume adjustment and air purification; silicone anti-slip feet 19 ensure stable placement of purification box 1; anti-foreign object net 20 prevents foreign objects from entering air inlet slot 2, protecting suction fan 11 and air volume adjustment device; the entire device, through the coordinated work of suction fan 11, air volume adjustment plate 4, gear 6, gear ring 7, motor 10, filter 13 and control panel 18, achieves efficient and precise air volume adjustment and air purification of air handling equipment, ensuring air quality and equipment operation stability.

[0050] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. An air volume adjusting device of an air treatment apparatus comprising a purification tank (1), characterized in that, The top of the purification box (1) is provided with an air inlet slot (2). A suction fan (11) is rotatably connected to the bottom of the inner wall of the air inlet slot (2). A connecting block (3) is fixedly connected inside the air inlet slot (2) and above the suction fan (11). A flow rate regulating plate (4) is symmetrically provided on the outer side of the connecting block (3). A connecting rod (5) is fixedly connected to the end of the flow rate regulating plate (4) away from the connecting block (3). The end of the connecting rod (5) away from the flow rate regulating plate (4) extends to the outer side of the purification box (1) and is fixedly connected to the connecting rod (5). There is a gear (6), and the outer side of the purification box (1) is rotatably connected to the gear ring (7). The gear (6) is meshed with the gear ring (7). The air volume regulating plate (4) has a closed groove (8) on both sides. Two adjacent air volume regulating plates (4) are used in cooperation through the closed groove (8). The outer side of the purification box (1) is fixedly connected to a fixing plate (9). A motor (10) is fixedly connected to one side of the fixing plate (9). The output shaft of the motor (10) passes through the fixing plate (9) and is fixedly connected to one side of one of the gears (6).

2. The air volume regulating device for an air handling equipment according to claim 1, characterized in that, The purification box (1) has a side groove (12) on one side. The bottom of the air inlet groove (2) is connected to the side groove (12). A filter (13) is threadedly connected to the top of the inner wall of the side groove (12).

3. The air volume regulating device for an air handling equipment according to claim 2, characterized in that, A baffle (14) is provided on one side of the purification box (1) and outside the side groove (12). Ventilation slots (15) are provided on both sides of the baffle (14) at equal intervals. Two magnets (16) are embedded on both sides of the side groove (12) and the baffle (14), and the two magnets (16) are used together.

4. The air volume regulating device for an air handling equipment according to claim 3, characterized in that, An embedded handle (17) is inlaid on the outer side of the retaining frame (14).

5. The air volume regulating device for an air handling equipment according to claim 1, characterized in that, A control panel (18) is fixedly connected to one side of the purification box (1), and the motor (10) and the suction fan (11) are both electrically connected to the control panel (18).

6. The air volume regulating device for an air handling equipment according to claim 1, characterized in that, The bottom of the purification box (1) is fixedly connected with four silicone anti-slip pads (19).

7. The air volume regulating device for an air handling equipment according to claim 1, characterized in that, The top of the purification box (1) and outside the air inlet slot (2) is connected by screws to a foreign object protection net (20).