Noise reduction structure for air valve

Abstract

The utility model relates to the technical field of air valve equipment, and discloses a noise reduction structure for an air valve, which comprises an air valve body, the rear end of the air valve body is fixedly connected with a base, and the rear end of the base is fixedly provided with a cushion. According to the noise reduction structure for the air valve, the buffer pad is arranged, when the air valve body is installed on the wall, the base is locked on the wall through bolts, the buffer pad is arranged between the base and the wall, vibration generated when the air valve body is used is reduced, the noise reduction shell and the rubber pad are arranged, and the rubber pad improves the connecting tightness of the noise reduction shell and the air valve body; vibration generated by operation of the air valve body is filtered, noise is reduced, the framework is of a complex structure, sound waves are reflected after making contact with the framework, the sound waves enter the sound insulation layer made of polyurethane foaming materials, energy is weakened after multiple times of reflection, and therefore noise reduction is achieved. Therefore, the noise reduction effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air valve equipment, in particular to a noise reduction structure for an air valve. Background Art

[0002] Air valves are devices used to regulate and control the flow of air in ventilation systems. They are commonly found in construction, industrial equipment, aerospace and other fields. They can be adjusted manually or automatically as needed to control air flow, direction and speed.

[0003] China Utility Model Patent Publication No.: CN 208652853 U, discloses: an air valve device, which, when in an open state, allows smooth ventilation and low air resistance, and the fan of the refrigeration unit can save electricity; when in a closed state, it can effectively prevent backflow, but the air valve device does not have a noise reduction function, cannot reduce the noise of the air valve, and produces a large amount of noise when in use. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a noise reduction structure for a wind valve, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a noise reduction structure for an air valve, comprising an air valve body, a base is fixedly connected to the rear end of the air valve body, a buffer pad is fixedly installed at the rear end of the base, and a noise reduction component is arranged at the front end of the air valve body.

[0006] Preferably, the noise reduction component includes a rubber pad, a noise reduction shell, a handle, a frame, a sound insulation layer and a windshield, the noise reduction shell is arranged inside the rubber pad, a handle is fixedly installed on the front end of the noise reduction shell, a sound insulation layer is fixedly installed on the inner wall of the noise reduction shell, and a windshield is arranged on the front end of the noise reduction shell.

[0007] Through the above technical solution, a noise reduction component is provided, which is detachably connected to the air valve body, and is convenient for assembly, disassembly and cleaning, thereby providing a noise reduction function for the noise reduction component.

[0008] Preferably, the noise reduction assembly is connected to the air valve body by bolt locking, and the buffer pad is made of silicone rubber material.

[0009] Through the above technical solution, a buffer pad is set. When the air valve body is installed on the wall, the base is locked to the wall with bolts. The buffer pad is set between the base and the wall to reduce the vibration generated by the air valve body when it is in use, thereby reducing noise.

[0010] Preferably, the noise reduction shell is in a cylindrical structure, and the outer diameter of the rubber pad is matched with the inner diameter of the air valve body.

[0011] Through the above technical solution, a noise reduction shell and a rubber pad are provided. The rubber pad improves the tightness of the connection between the noise reduction shell and the air valve body, filters the vibration generated by the operation of the air valve body, and reduces noise.

[0012] Preferably, the skeleton is in a grid structure, and the sound insulation layer is made of polyurethane foam material.

[0013] Through the above technical solution, a grid-like skeleton is set up. The skeleton has a complex structure. When sound waves come into contact with the skeleton, reflections are generated. The sound waves enter the sound insulation layer made of polyurethane foam material. After multiple reflections, the energy is weakened, thereby achieving noise reduction.

[0014] Preferably, the wind shield is a funnel-shaped structure, and the bottom of the funnel of the wind shield faces the interior of the air valve body.

[0015] Through the above technical solution, a wind shield is set up, which reflects part of the sound waves back to the frame and the sound insulation layer, thereby improving the noise reduction effect.

[0016] Compared with the prior art, the utility model provides a noise reduction structure for a damper, which has the following beneficial effects:

[0017] 1. The noise reduction structure for the air valve is provided with a noise reduction component, which is detachably connected to the air valve body, and is convenient for assembly, disassembly and cleaning. A buffer pad is provided. When the air valve body is installed on the wall, the base is locked on the wall with bolts. The buffer pad is arranged between the base and the wall to reduce the vibration generated by the air valve body when it is used, thereby reducing the noise;

[0018] 2. The noise reduction structure for the air valve is provided with a noise reduction shell and a rubber pad. The rubber pad improves the tightness of the connection between the noise reduction shell and the air valve body, filters the vibration generated by the operation of the air valve body, and reduces noise. A grid-like structure skeleton is provided. The skeleton has a complex structure. After the sound wave contacts the skeleton, it is reflected. The sound wave enters the sound insulation layer made of polyurethane foam material. After multiple reflections, the energy is weakened, thereby achieving noise reduction. A wind shield is provided. The wind shield reflects part of the sound wave back to the skeleton and the sound insulation layer, thereby improving the noise reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 The utility model noise reduction component and the air valve body disassembly structure diagram Figure 1 ;

[0022] Figure 4 The utility model noise reduction component and the air valve body disassembly structure diagram Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the vertical cross-section structure of the noise reduction component of the utility model.

[0024] Among them: 1. air valve body; 2. base; 3. buffer pad; 4. noise reduction component; 401. rubber pad; 402. noise reduction shell; 403. handle; 404. frame; 405. sound insulation layer; 406. wind shield. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1: Figure 1-5 As shown, the utility model provides a noise reduction structure for an air valve, comprising an air valve body 1, a base 2 is fixedly connected to the rear end of the air valve body 1, a buffer pad 3 is fixedly installed at the rear end of the base 2, and a noise reduction component 4 is arranged at the front end of the air valve body 1.

[0027] Specifically, the noise reduction component 4 includes a rubber pad 401, a noise reduction shell 402, a handle 403, a frame 404, a sound insulation layer 405 and a wind shield 406. The noise reduction shell 402 is arranged inside the rubber pad 401, the handle 403 is fixedly installed at the front end of the noise reduction shell 402, the sound insulation layer 405 is fixedly installed on the inner wall of the noise reduction shell 402, and the wind shield 406 is arranged at the front end of the noise reduction shell 402. The advantage is that the noise reduction component 4 is provided, which is detachably connected to the air valve body 1, and is convenient to assemble, disassemble and clean, and provides the noise reduction function for the noise reduction component 4.

[0028] Specifically, the noise reduction component 4 is connected to the air valve body 1 by bolt locking, and the buffer pad 3 is made of silicone rubber material. The advantage is that the buffer pad 3 is provided, and when the air valve body 1 is installed on the wall, the base 2 is locked on the wall by bolts, and the buffer pad 3 is provided between the base 2 and the wall, so as to reduce the vibration generated when the air valve body 1 is used, thereby reducing the noise.

[0029] Specifically, the noise reduction housing 402 is cylindrical, and the outer diameter of the rubber pad 401 matches the inner diameter of the air valve body 1. The advantage is that the noise reduction housing 402 and the rubber pad 401 are provided, and the rubber pad 401 improves the tightness of the connection between the noise reduction housing 402 and the air valve body 1, filters the vibration generated by the operation of the air valve body 1, and reduces the noise.

[0030] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0031] Specifically, the frame 404 has a grid structure, and the sound insulation layer 405 is made of polyurethane foam material. The advantage is that the frame 404 with a grid structure is set, and the frame 404 has a complex structure. After the sound wave contacts the frame 404, it is reflected. The sound wave enters the sound insulation layer 405 made of polyurethane foam material, and the energy is weakened after multiple reflections, thereby achieving noise reduction.

[0032] Specifically, the wind shield 406 is a funnel-shaped structure, and the bottom of the funnel of the wind shield 406 faces the inside of the air valve body 1. The advantage is that the wind shield 406 is provided, and the wind shield 406 reflects part of the sound waves back to the frame 404 and the sound insulation layer 405, thereby improving the noise reduction effect.

[0033] Working principle: When the air valve body 1 is installed, the base 2 is locked to the wall with bolts, and the buffer pad 3 is arranged between the base 2 and the wall to reduce the vibration generated when the air valve body 1 is in use, thereby reducing the noise. The noise reduction component 4 is detachably connected to the air valve body 1, and it is convenient to assemble, disassemble and clean. The rubber pad 401 improves the tightness of the connection between the noise reduction shell 402 and the air valve body 1, filters the vibration generated by the operation of the air valve body 1, and reduces the noise. A grid-shaped skeleton 404 is provided. The skeleton 404 has a complex structure. After the sound wave contacts the skeleton 404, it is reflected. The sound wave enters the sound insulation layer 405 made of polyurethane foam material. After multiple reflections, the energy is weakened, thereby achieving noise reduction. A wind shield 406 is provided. The wind shield 406 reflects part of the sound wave back to the skeleton 404 and the sound insulation layer 405, thereby improving the noise reduction effect.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction structure for a damper, comprising a damper body (1), characterized in that: The rear end of the air valve body (1) is fixedly connected to a base (2), the rear end of the base (2) is fixedly mounted with a buffer pad (3), and the front end of the air valve body (1) is provided with a noise reduction component (4).

2. A noise reduction structure for a damper according to claim 1, characterized in that: The noise reduction component (4) comprises a rubber pad (401), a noise reduction shell (402), a handle (403), a frame (404), a sound insulation layer (405) and a windshield (406); the noise reduction shell (402) is arranged inside the rubber pad (401); the handle (403) is fixedly mounted on the front end of the noise reduction shell (402); the sound insulation layer (405) is fixedly mounted on the inner wall of the noise reduction shell (402); and the windshield (406) is arranged on the front end of the noise reduction shell (402).

3. A noise reduction structure for a damper according to claim 2, characterized in that: The noise reduction component (4) is connected to the air valve body (1) by bolt locking, and the buffer pad (3) is made of silicone rubber material.

4. A noise reduction structure for a damper according to claim 3, characterized in that: The noise reduction housing (402) is of cylindrical structure, and the outer diameter of the rubber pad (401) is matched with the inner diameter of the air valve body (1).

5. A noise reduction structure for a damper according to claim 4, characterized in that: The frame (404) is in a grid-like structure, and the sound insulation layer (405) is made of polyurethane foam material.

6. A noise reduction structure for a damper according to claim 5, characterized in that: The wind shield (406) is in a funnel-shaped structure, and the bottom of the funnel of the wind shield (406) faces the interior of the air valve body (1).

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