A quiet air duct damper assembly

Abstract

The utility model discloses a kind of mute air duct air door assemblies, belong to air conditioner accessory technical field, including air pipe, still include: air door assembly, set on air pipe, for the closure of air pipe, including two groups of first rotating plate and second rotating plate rotatably set in air pipe end, first rotating plate and second rotating plate are rotatably connected;Adjusting unit is set on air pipe for the adjustment of first rotating plate and second rotating plate, including limiting component and drive assembly;Limiting component includes setting on air pipe, for the pull rope of pulling second rotating plate folding rotation;Drive assembly is set on air pipe, for the drive of first rotating plate, so that equipment is more mute when using, reduce the generation of noise.

Description

Technical Field

[0001] This utility model belongs to the technical field of air conditioning accessories, and in particular relates to a silent air duct damper assembly. Background Technology

[0002] A unitary air conditioner, also known as a unitary air conditioning unit, is a device that directly provides treated air to an enclosed room, space, or area. It mainly includes a refrigeration system and air circulation and purification devices, and may also include heating, humidification, and ventilation devices. Unitary air conditioners mainly include floor-standing air conditioners, rooftop air conditioners, and various commercial air conditioners.

[0003] In traditional unitary air conditioners, the compressor inside processes the gas and then discharges it through a duct. The end of the duct is usually sealed by a louvered damper. As the gas is discharged from the duct, it passes through the damper and is released into the room. However, as the gas is discharged, it impacts the damper, causing friction and a whooshing sound. This results in significant noise during operation, affecting the use of the equipment and reducing user comfort. Utility Model Content

[0004] In view of the problems existing in the prior art, this utility model provides a silent air duct damper assembly, which solves the problem that the air in the air duct is prone to friction with the damper during equipment use, resulting in excessive noise from the equipment.

[0005] This utility model is implemented as follows: a silent air duct damper assembly, including an air duct, and further including:

[0006] A damper assembly, installed on a duct, is used for closing the duct. It includes two sets of first rotating plates and second rotating plates rotatably installed at the ends of the duct, and the first rotating plates and second rotating plates are rotatably connected.

[0007] An adjustment unit, installed on the air duct, is used for adjusting the first rotating plate and the second rotating plate, and includes a limit assembly and a drive assembly;

[0008] The limiting component includes a pull rope mounted on the air duct for pulling the second rotating plate to fold and rotate;

[0009] The drive assembly is mounted on the duct and is used to drive the first rotating plate.

[0010] As a preferred embodiment of the present invention, the damper assembly further includes a connecting shaft fixedly mounted on the first rotating plate, the second rotating plate being rotatably mounted on the connecting shaft, and a torsion spring for resetting the second rotating plate being sleeved on the connecting shaft. The two first rotating plates are symmetrically rotated on both sides of the air duct via a rotating shaft. Corrugated plates are provided on the sides of both the first and second rotating plates, and the two corrugated plates are staggered.

[0011] As a preferred embodiment of this utility model, the limiting component further includes two winding shafts symmetrically rotated on the air duct, with a winding reel mounted on the winding shaft, the pull rope wound around the winding reel, and the end of the winding reel fixedly mounted on the second rotating plate, and the winding shaft being drivenly connected to the rotating shaft.

[0012] As a preferred embodiment of this utility model, the drive assembly includes two reversing wheels that are rotatably mounted on the duct and mesh with each other. The reversing wheels are connected to a rotating shaft for transmission, and a drive motor for driving the reversing wheels is installed on the duct.

[0013] As a preferred embodiment of this invention, corrugated sleeves are fixedly connected to both ends of the duct.

[0014] As a preferred embodiment of this utility model, a fixed rod is movably connected to the lower side of the air duct, a hydraulic rod for adjusting the angle of the air duct is installed on the fixed rod, and a rotating rod is rotatably provided at the bottom of the fixed rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention changes the shape of the damper, making it adaptable and foldable. This prevents the gas discharged from the duct from acting on the first and second rotating plates, effectively reducing friction between the gas and the damper. This avoids whistling and noise caused by friction, further improving the equipment's quietness and reducing noise during operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the front view structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure from the lower side view of this utility model;

[0019] Figure 3 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0020] Figure 4 This is a partial top view structural diagram of the present invention.

[0021] In the picture:

[0022] 1. Air duct; 2. First rotating plate; 3. Second rotating plate; 4. Connecting shaft; 5. Torsion spring; 6. Corrugated plate; 7. Winding reel; 8. Winding shaft; 9. Pull rope; 10. Reversing wheel; 11. Drive motor; 12. Corrugated sleeve; 13. Fixing rod; 14. Hydraulic rod; 15. Rotating rod. Detailed Implementation

[0023] To further understand the utility model content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0024] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0025] like Figures 1 to 4 As shown in the figure, a silent air duct damper assembly provided in this embodiment of the present invention includes an air duct 1, and further includes:

[0026] The damper assembly is installed on the air duct 1 and is used to close the air duct 1. It includes two sets of first rotating plates 2 and second rotating plates 3 rotatably installed at the ends of the air duct 1. The first rotating plates 2 and the second rotating plates 3 are rotatably connected.

[0027] An adjustment unit, installed on the air duct 1, is used for adjusting the first rotating plate 2 and the second rotating plate 3, and includes a limiting component and a driving component;

[0028] The limiting component includes a pull rope 9 installed on the air duct 1 for pulling the second rotating plate 3 to fold and rotate;

[0029] The drive assembly is mounted on the duct 1 and is used to drive the first rotating plate 2.

[0030] As a preferred embodiment of this utility model, the damper assembly further includes a connecting shaft 4 fixedly mounted on the first rotating plate 2, a second rotating plate 3 rotatably mounted on the connecting shaft 4, and a torsion spring 5 for resetting the second rotating plate 3 sleeved on the connecting shaft 4. The two first rotating plates 2 are symmetrically rotated on both sides of the air duct 1 via a rotating shaft. Corrugated plates 6 are provided on the sides of both the first rotating plate 2 and the second rotating plate 3, and the two corrugated plates 6 are staggered to improve the sealing of the equipment and change the shape of the damper to avoid friction between the airflow and the damper, thereby further ensuring its noise reduction effect.

[0031] As a preferred embodiment of this utility model, the limiting component also includes two winding shafts 8 symmetrically rotated on the air duct 1. A winding reel 7 is installed on the winding shaft 8, and a pull rope 9 is wound on the winding reel 7. The end of the winding reel 7 is fixedly mounted on the second rotating plate 3. The winding shaft 8 is connected to the rotating shaft for transmission, which effectively changes the shape of the air damper and makes the equipment more convenient to use.

[0032] As a preferred embodiment of this utility model, the drive assembly includes two reversing wheels 10 that are rotatably mounted on the air duct 1 and mesh with each other. The reversing wheels 10 are connected to the rotating shaft for transmission. A drive motor 11 for driving the reversing wheels 10 is installed on the air duct 1, so that when the damper is opened, they can form a state of mutual separation, thereby further reducing the friction between the airflow and the material.

[0033] As a preferred embodiment of this utility model, corrugated sleeves 12 are fixedly connected to both ends of the air duct 1, which facilitates the connection between the air duct 1 and the equipment, and at the same time ensures that the air duct 1 is more convenient to adjust its angle.

[0034] As a preferred embodiment of this utility model, a fixed rod 13 is movably connected to the lower side of the air duct 1. A hydraulic rod 14 for adjusting the angle of the air duct 1 is installed on the fixed rod 13. A rotating rod 15 is rotatably provided at the bottom of the fixed rod 13. By changing the angle of the air duct 1, the flow direction of the gas is changed.

[0035] The working principle of this utility model:

[0036] refer to Figure 1 When the equipment is closed, the first rotating plate 2 and the second rotating plate 3 are located on the front side of the air duct 1, and the first rotating plate 2 and the second rotating plate 3 are arc-shaped when unfolded. The two sets of first rotating plates 2 and second rotating plates 3 can effectively close the front side of the air duct 1, thereby ensuring the air duct 1 is sealed.

[0037] When the equipment is in use, the drive motor 11 works. When the drive motor 11 rotates in the forward direction, the drive motor 11 drives the two sets of reversing wheels 10 to rotate. Since the two sets of reversing wheels 10 mesh with each other, they can drive the two first rotating plates 2 to move away from each other. When the two first rotating plates 2 move away from each other, the rotating shaft on the first rotating plate 2 simultaneously drives the take-up shaft 8 to rotate in the forward direction. When the take-up shaft 8 rotates, it can effectively drive the take-up reel 7 to take up the winding.

[0038] refer to Figure 3 When the take-up reel 7 rewinds, the pull rope 9 is wound around the take-up reel 7, and as the first rotating plate 2 rotates upward and the take-up reel 7 rewinds, the pull rope 9 can effectively pull the second rotating plate 3 based on... Figure 4The connecting shaft 4 rotates, causing the first rotating plate 2 and the second rotating plate 3 to gradually fold into a folded state. At the same time, the torsion spring 5 sleeved on the connecting shaft 4 is compressed. When the two sets of first rotating plates 2 and second rotating plates 3 are far apart to a certain position, the front side of the air duct 1 can be effectively opened. At this time, the airflow can be directly discharged through the air duct 1, thereby reducing the friction between the airflow and the first rotating plates 2 and second rotating plates 3, and further reducing the noise of the equipment. When the equipment finishes working, the drive motor 11 can be reversed to bring the two sets of first rotating plates 2 closer to each other again. At the same time, with the reverse rotation of the winding reel 7, the torque of the torsion spring 5 makes the first rotating plates 2 and second rotating plates 3 become arc-shaped again, thereby sealing the front side of the air duct 1 again.

[0039] refer to Figure 2 To change the airflow direction of the duct 1, the length of the hydraulic rod 14 can be changed to allow the duct 1 to rotate at the end of the fixed rod 13, thereby allowing the duct 1 to swing up and down, thus changing the airflow direction and making the equipment more convenient to use. Corrugated sleeves 12 are provided on both the front and rear sides of the duct 1 to ensure that the duct 1 is always sealed when changing direction.

[0040] This invention changes the shape of the damper, making it adaptable and foldable. This prevents the gas discharged from the duct 1 from acting on the first rotating plate 2 and the second rotating plate 3, effectively reducing friction between the gas and the damper. This avoids whistling and noise caused by friction, further improving the equipment's quietness and reducing noise during operation.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A silent air duct damper assembly, comprising an air duct (1), characterized in that: Also includes: The damper assembly is installed on the air duct (1) for closing the air duct (1), and includes two sets of first rotating plates (2) and second rotating plates (3) rotatably installed at the end of the air duct (1), and the first rotating plates (2) and second rotating plates (3) are rotatably connected. An adjustment unit, set on the air duct (1), is used for adjusting the first rotating plate (2) and the second rotating plate (3), and includes a limiting component and a driving component; The limiting component includes a pull rope (9) installed on the air duct (1) for pulling the second rotating plate (3) to fold and rotate. The drive assembly is mounted on the duct (1) and is used to drive the first rotating plate (2).

2. The silent air duct damper assembly as described in claim 1, characterized in that: The damper assembly also includes a connecting shaft (4) fixedly mounted on the first rotating plate (2), the second rotating plate (3) rotatably mounted on the connecting shaft (4), and a torsion spring (5) for resetting the second rotating plate (3) is sleeved on the connecting shaft (4). The two first rotating plates (2) are symmetrically mounted on both sides of the air duct (1) via a rotating shaft. Corrugated plates (6) are provided on the sides of both the first rotating plate (2) and the second rotating plate (3), and the two corrugated plates (6) are staggered.

3. A silent air duct damper assembly as described in claim 2, characterized in that: The limiting assembly also includes two take-up shafts (8) symmetrically rotated on the air duct (1), with a take-up reel (7) mounted on the take-up shaft (8), the pull rope (9) wound on the take-up reel (7), and the end of the take-up reel (7) fixed on the second rotating plate (3). The take-up shaft (8) is connected to the rotating shaft for transmission.

4. A silent air duct damper assembly as described in claim 3, characterized in that: The drive assembly includes two reversing wheels (10) that are rotatably mounted on the air duct (1) and mesh with each other. The reversing wheels (10) are connected to the rotating shaft. A drive motor (11) for driving the reversing wheels (10) is installed on the air duct (1).

5. A silent air duct damper assembly as described in claim 4, characterized in that: Both ends of the duct (1) are fixedly connected with corrugated sleeves (12).

6. A silent air duct damper assembly as described in claim 5, characterized in that: A fixed rod (13) is movably connected to the lower side of the air duct (1). A hydraulic rod (14) for adjusting the angle of the air duct (1) is installed on the fixed rod (13). A rotating rod (15) is rotatably provided at the bottom of the fixed rod (13).

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