Anti-resistance type silencer applied to special fan for moxibustion therapy

Abstract

The utility model relates to an anti-resistance silencer applied to a special fan for moxibustion therapy, which comprises a shell and a connecting part, one end of the connecting part is connected with an air outlet of the fan, the other end of the connecting part is connected with an air inlet of a purifier, the connecting part is arranged on the circumference of the center of the shell, the surface of the shell is coated with a damping coating layer, and the damping coating layer is arranged on the periphery of the shell. A glass steel plate is compounded on the inner wall of the shell, a first glass cloth layer is compounded on the inner wall of the glass steel plate, a sound absorption cotton layer is compounded on the first glass cloth layer, a second glass cloth layer is compounded on the inner wall of the sound absorption cotton layer, and a perforated plate is compounded on the second glass cloth layer. According to the utility model, not only can the problems that the fan generates noise which can influence rest of other patients and normal work of medical staff be solved, but also the exhaust pressure of smoke in the pipeline is not increased, and the operation efficiency of the whole equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silencers, in particular to a resistance silencer applied to a special fan for moxibustion therapy. Background Art

[0002] During the treatment processes such as moxibustion, heat-sensitive moxibustion, governor vessel moxibustion, and fire dragon moxibustion, the components of the generated smoke and particulate matter change greatly. It is necessary for a fan to timely extract the generated smoke and particulate matter, and a purifier is required to carry out the purification work. During this process, the fan will generate noise, which will affect the rest of other patients and the normal work of medical staff. How to effectively reduce the noise pollution has become an urgent problem for us to solve. Content of the Utility Model

[0003] In view of the above problems, the utility model provides a resistance silencer applied to a special fan for moxibustion therapy, which can not only solve the problems that the fan generates noise and the noise will affect the rest of other patients and the normal work of medical staff, but also does not increase the pressure of the flue gas discharged in the pipeline, and improves the operation efficiency of the overall equipment.

[0004] In order to achieve the above purpose and other related purposes, the technical solutions provided by the utility model are as follows:

[0005] A resistance silencer applied to a special fan for moxibustion therapy, comprising a housing and a connecting part. One end of the connecting part is connected to the air outlet of the fan, and the other end of the connecting part is connected to the air inlet of the purifier. The connecting part is arranged on the central circumference of the housing. The surface of the housing is coated with a damping coating layer. A fiberglass plate is laminated on the inner wall of the housing. A first fiberglass cloth layer is laminated on the inner wall of the fiberglass plate. A sound-absorbing cotton layer is laminated on the first fiberglass cloth layer. A second fiberglass cloth layer is laminated on the inner wall of the sound-absorbing cotton layer. A perforated plate is laminated on the second fiberglass cloth layer.

[0006] Preferably, a plurality of through holes are evenly arranged on the perforated plate.

[0007] Preferably, the through holes are square in shape, and the aperture of the through holes is 2 - 3.5 mm.

[0008] Preferably, the housing is integrally injection-molded.

[0009] Preferably, the thickness of the sound-absorbing cotton layer is 100 - 120 mm.

[0010] Preferably, the inner diameter of the connecting part is equal to the inner diameter of the housing.

[0011] Preferably, the outer diameter of the connecting part is smaller than the outer diameter of the housing.

[0012] Preferably, the connecting part is in the shape of a circular ring.

[0013] Preferably, the thickness of the second fiberglass cloth layer is greater than that of the first fiberglass cloth layer.

[0014] The utility model has the following positive effects:

[0015] 1. In the utility model, a connecting part is arranged on the central circumference of the outer shell, a damping coating layer is coated on the surface of the outer shell, a fiberglass plate is compounded on the inner wall of the outer shell, a first fiberglass cloth layer is compounded on the inner wall of the fiberglass plate, a sound-absorbing cotton layer is compounded on the first fiberglass cloth layer, a second fiberglass cloth layer is compounded on the inner wall of the sound-absorbing cotton layer, and a perforated plate is compounded on the second fiberglass cloth layer. It can not only solve the problem that the fan generates noise, which will affect the rest of other patients and the normal work of medical staff, but also does not increase the pressure of the flue gas discharge in the pipeline, and improves the operation efficiency of the overall equipment.

[0016] 2. In the utility model, a damping coating layer is coated on the surface of the outer shell, which can reduce the noise caused by the vibration of the fan. At the same time, combined with the perforated plate and the sound-absorbing cotton, the noise generated by the fan is absorbed, thereby further reducing the noise generated by the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram (one) of the utility model;

[0018] Figure 2 is a schematic structural diagram (two) of the utility model;

[0019] Figure 3 is a schematic structural diagram of the connection between the utility model, the fan and the purifier.

[0020] Explanation of the reference numerals in the drawings: 1 - outer shell, 2 - sound-absorbing cotton layer, 3 - perforated plate, 4 - first fiberglass cloth layer, 5 - fiberglass plate, 6 - damping coating layer, 7 - connecting part, 8 - second fiberglass cloth layer, 9 - through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following describes exemplary embodiments of the present disclosure, including various details of the embodiments of the present disclosure to facilitate understanding. It should be considered that they are merely exemplary. Therefore, those of ordinary skill in the art should recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, the description below omits the description of well-known functions and structures.

[0022] Embodiment: As Figure 1 or Figure 2As shown in the figure, a resistance muffler applied to a special fan for moxibustion therapy includes a housing 1 and a connecting part 7. One end of the connecting part 7 is connected to the air outlet of the fan 10, and the other end of the connecting part 7 is connected to the air inlet of the purifier 11. The connecting part 7 is provided on the central circumference of the housing 1. The surface of the housing 1 is coated with a damping coating layer 6. A fiberglass plate 5 is laminated on the inner wall of the housing 1. A first fiberglass cloth layer 4 is laminated on the inner wall of the fiberglass plate 5. A sound-absorbing cotton layer 2 is laminated on the first fiberglass cloth layer 4. A second fiberglass cloth layer 8 is laminated on the inner wall of the sound-absorbing cotton layer 2. A perforated plate 3 is laminated on the second fiberglass cloth layer 8.

[0023] In this embodiment, a plurality of through holes 9 are evenly provided on the perforated plate 3.

[0024] In this embodiment, the through holes 9 are square in shape, and the aperture of the through holes 9 is 2 - 3.5 mm.

[0025] In this embodiment, the housing 1 is integrally injection-molded.

[0026] In this embodiment, the thickness of the sound-absorbing cotton layer 2 is 100 - 120 mm.

[0027] In this embodiment, the inner diameter of the connecting part 7 is equal to the inner diameter of the housing 1.

[0028] In this embodiment, the outer diameter of the connecting part 7 is smaller than the outer diameter of the housing 1.

[0029] In this embodiment, the shape of the connecting part 7 is circular ring shape.

[0030] In this embodiment, the thickness of the second fiberglass cloth layer 8 is greater than the thickness of the first fiberglass cloth layer 4.

[0031] In this embodiment, the sound-absorbing cotton layer 2 is moderately tight. The thickness of the perforated plate 3 in the resistance muffler 12 is ≥6 mm, the perforation rate is ≥80%, the perforation size is ≤3.5 mm, and the number of punched holes is required to be ≥60,000. Between the sound-absorbing cotton layer 2 and the perforated plate 3, and between the sound-absorbing cotton layer 2 and the fiberglass plate 5, a fiberglass cloth layer must be added. The thickness of the sound-absorbing cotton layer 2 is ≥100 mm. Through the resistance muffler 12, the special fan for moxibustion therapy can be noise-reduced by 10 - 20 dB. The outdoor noise ≤65 db; the indoor noise ≤50 db.

[0032] The working principle of the present utility model: As Figure 3 shown, one end of the resistance muffler 12 is connected to the air outlet of the fan 10, and the other end is connected to the air inlet of the purifier 11. When the fan 10 and the purifier 11 are turned on, during the operation of the fan 10, noise is generated, and the resistance muffler 12 reduces the noise.

Claims

1. A resistance muffler applied to a special fan for moxibustion therapy, comprising a housing (1) and a connecting part (7). One end of the connecting part (7) is connected to the air outlet of a fan (10), and the other end of the connecting part (7) is connected to the air inlet of a purifier (12), characterized in that: A connecting part (7) is provided on the central circumference of the outer shell (1). A damping paint layer (6) is coated on the surface of the outer shell (1). A fiberglass plate (5) is laminated on the inner wall of the outer shell (1). A first fiberglass cloth layer (4) is laminated on the inner wall of the fiberglass plate (5). A sound-absorbing cotton layer (2) is laminated on the first fiberglass cloth layer (4). A second fiberglass cloth layer (8) is laminated on the inner wall of the sound-absorbing cotton layer (2). A perforated plate (3) is laminated on the second fiberglass cloth layer (8).

2. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: A plurality of through holes (9) are uniformly provided on the perforated plate (3).

3. The resistance muffler applied to the special fan for moxibustion according to claim 2, wherein: The through holes (9) are square in shape, and the aperture of the through holes (9) is 2 - 3.5 mm.

4. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: The outer shell (1) is integrally injection-molded.

5. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: The thickness of the sound-absorbing cotton layer (2) is 100 - 120 mm.

6. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: The inner diameter of the connecting part (7) is equal to the inner diameter of the outer shell (1).

7. The resistance muffler applied to the special fan for moxibustion according to claim 1, wherein: The outer diameter of the connecting part (7) is smaller than the outer diameter of the outer shell (1).

8. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: The shape of the connecting part (7) is circular ring shape.

9. The resistance muffler applied to the special fan for moxibustion according to claim 1, characterized in that: The thickness of the second fiberglass cloth layer (8) is greater than the thickness of the first fiberglass cloth layer (4).

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