Super-strong mute pneumatic silencer

Abstract

The utility model discloses a super-strong mute pneumatic silencer which comprises a silencer body. The silencer is composed of a mounting cylinder and a metal protective cover, a threaded ring is arranged on the outer side of the upper end of the mounting cylinder, the metal protective cover is rotatably mounted on the upper side of the threaded ring, a through hole is formed in the outer side of the metal protective cover, a mounting pipe is mounted at the upper end of the mounting cylinder, and a filter screen is mounted on the outer side of the mounting cylinder. An inner cylinder is mounted in the mounting cylinder, a plurality of rubber buffer plates are uniformly mounted in the inner cylinder, first silencing cotton is mounted at the position, located on the outer side of the inner cylinder, in the mounting cylinder, and second silencing cotton is mounted at the position, located on the outer side of the first silencing cotton, in the inner cylinder. When the rubber buffer plate buffers gas, the holes in the rubber buffer plate are gradually reduced from top to bottom, so that the high-speed gas can be conveniently buffered step by step, and the service life of the rubber buffer plate can be prolonged while the buffer effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mufflers, in particular to a super-quiet pneumatic muffler. Background Art

[0002] A pneumatic muffler is a device used to reduce intake or exhaust noise.

[0003] Chinese patent number CN202123053464.3 discloses a pneumatic muffler in the field of mufflers, comprising a main body, a protective frame, and a protective gauze. The protective frame is nested at the bottom end of the main body and fixedly connected to the main body by screws. The protective gauze is embedded in the inner side wall of the protective frame. The main body comprises a closing plate, an inner tube, an outer tube, a muffler mechanism, and a pressure relief mechanism. The inner tube is vertically welded to the middle position of the bottom of the closing plate, the outer tube is nested on the outside of the inner tube, and the top of the outer tube is welded to the closing plate. The muffler mechanism is installed around the side wall of the inner tube. When in use, the existing technology has poor buffering performance for gas, resulting in a large muffler pressure, which affects the muffler effect. Utility Model Content

[0004] The purpose of the utility model is to provide a super silent pneumatic muffler to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a super-quiet pneumatic silencer, comprising a silencer; the silencer is composed of a mounting tube and a metal protective cover, a threaded ring is provided on the outer side of the upper end of the mounting tube, the metal protective cover is rotatably installed on the upper side of the threaded ring, a through hole is provided on the outer side of the metal protective cover, a mounting tube is installed at the upper end of the mounting tube, a filter is installed at the outer side of the mounting tube, an inner tube is installed inside the mounting tube, a plurality of rubber buffer plates are evenly installed inside the inner tube, a first silencer cotton is installed inside the mounting tube at the outer side of the inner tube, and a second silencer cotton is installed inside the inner tube at the outer side of the first silencer cotton.

[0006] Preferably, a wear-resistant layer is provided at the upper end of the rubber buffer plate, and the wear-resistant layer is provided as a wear-resistant coating layer.

[0007] Preferably, a steel mesh is provided at the upper end of the rubber buffer plate, and the steel mesh is embedded in the inner position of the rubber buffer plate.

[0008] Preferably, a soft metal pad is provided at the bottom end of the mounting tube, and the soft metal pad is welded to the upper end of the mounting tube.

[0009] Preferably, a sealing gasket is provided at the upper end of the installation tube, and the sealing gasket is adhered to the upper end of the installation tube by adhesive.

[0010] Preferably, a corrosion-resistant layer is provided on the outside of the metal protective cover, and the corrosion-resistant layer is configured as a chrome-plated layer.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. When the rubber buffer plate buffers the gas, the holes of the rubber buffer plate decrease gradually from top to bottom, which is convenient for buffering the high-speed gas step by step, and can improve the buffering effect while extending the service life of the rubber buffer plate;

[0013] 2. The setting of the steel mesh is used to increase the toughness of the rubber buffer plate to avoid the rubber buffer plate from cracking after deformation during long-term use;

[0014] 3. The soft metal pad is relatively soft in texture. When installing the mounting pipe, it can fill the gap in the installation position of the mounting pipe, making the installation of the mounting pipe more stable;

[0015] 4. The texture of the sealing gasket is relatively soft. When the mounting tube and the metal protective cover are installed, it will be deformed under pressure, filling the gap between the metal protective cover and the mounting tube, making the metal protective cover installed more tightly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the expanded structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 4 This is a schematic structural diagram of the rubber buffer plate of the present utility model.

[0021] In the figure: 1. Muffler; 2. Mounting pipe; 3. Soft metal pad; 4. Metal protective cover; 5. Corrosion-resistant layer; 6. Sealing gasket; 7. Threaded ring; 8. Mounting cylinder; 9. Filter screen; 10. Inner cylinder; 11. Rubber buffer plate; 12. First silencer cotton; 13. Second silencer cotton; 14. Wire mesh; 15. Wear-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In an embodiment of the utility model, a super silent pneumatic muffler includes a muffler 1; the muffler 1 is composed of a mounting tube 8 and a metal protective cover 4, a threaded ring 7 is provided on the outer side of the upper end of the mounting tube 8, the metal protective cover 4 is rotatably installed on the upper side of the threaded ring 7, a through hole is provided on the outer side of the metal protective cover 4, a mounting tube 2 is installed at the upper end of the mounting tube 8, a filter screen 9 is installed at the outer position of the mounting tube 8, an inner tube 10 is installed inside the mounting tube 8, a plurality of rubber buffer plates 11 are evenly installed inside the inner tube 10, a first silencer cotton 12 is installed inside the mounting tube 8 at the outer position of the inner tube 10, and a second silencer cotton 13 is installed inside the inner tube 10 at the outer position of the first silencer cotton 12.

[0024] A wear-resistant layer 15 is provided at the upper end of the rubber buffer plate 11. The wear-resistant layer 15 is configured as a wear-resistant coating layer. The wear-resistant coating layer used in the wear-resistant layer 15 has strong wear resistance, which can reduce the wear of the rubber buffer plate 11 during use and extend the service life of the rubber buffer plate 11; a steel mesh 14 is provided at the upper end of the interior of the rubber buffer plate 11. The steel mesh 14 is embedded in the internal position of the rubber buffer plate 11. The setting of the steel mesh 14 is used to increase the toughness of the rubber buffer plate 11 to avoid the rubber buffer plate 11 from cracking after deformation after long-term use during use.

[0025] A soft metal pad 3 is provided at the bottom end of the mounting tube 2, and the soft metal pad 3 is welded to the upper end of the mounting tube 8. The texture of the soft metal pad 3 is relatively soft. When the mounting tube 2 is installed, the gap in the mounting position of the mounting tube 2 can be filled, so that the installation of the mounting tube 2 is more stable; a sealing gasket 6 is provided at the upper end of the mounting tube 8, and the sealing gasket 6 is adhered to the upper end of the mounting tube 8 by adhesive. The texture of the sealing gasket 6 is relatively soft. When the mounting tube 8 and the metal protective cover 4 are installed, the pressure will cause deformation, and the gap between the metal protective cover 4 and the mounting tube 8 is filled, so that the metal protective cover 4 is installed more tightly; a corrosion-resistant layer 5 is provided on the outside of the metal protective cover 4, and the corrosion-resistant layer 5 is set to a chrome-plated layer. The chrome-plated layer used in the corrosion-resistant layer 5 has strong corrosion resistance, which can reduce the corrosion of the metal protective cover 4 during use and extend the service life of the metal protective cover 4.

[0026] The working principle and usage process of the utility model are as follows: when in use, the muffler 1 is installed through the mounting tube 2. During the silencing process, the gas enters the internal position of the mounting tube 8 of the muffler 1, and the high-speed gas will be buffered by the rubber buffer plate 11. When the rubber buffer plate 11 buffers the gas, the holes of the rubber buffer plate 11 from top to bottom are gradually reduced, which is convenient for buffering the high-speed gas step by step. While improving the buffering effect, it can extend the service life of the rubber buffer plate 11. The buffered gas is silenced by the first silencer cotton 12 and the second silencer cotton 13, and is discharged after being filtered through the filter screen 9.

[0027] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A super-quiet pneumatic muffler, comprising a muffler (1); characterized in that: The muffler (1) is composed of a mounting tube (8) and a metal protective cover (4); a threaded ring (7) is provided on the outer side of the upper end of the mounting tube (8); the metal protective cover (4) is rotatably mounted on the upper side of the threaded ring (7); a through hole is provided on the outer side of the metal protective cover (4); a mounting pipe (2) is installed at the upper end of the mounting tube (8); a filter screen (9) is installed at the outer side of the mounting tube (8); an inner tube (10) is installed inside the mounting tube (8); a plurality of rubber buffer plates (11) are evenly installed inside the inner tube (10); a first silencer cotton (12) is installed inside the mounting tube (8) at a position outside the inner tube (10); and a second silencer cotton (13) is installed inside the inner tube (10) at a position outside the first silencer cotton (12).

2. The super silent pneumatic muffler according to claim 1, characterized in that: A wear-resistant layer (15) is provided at the upper end of the rubber buffer plate (11), and the wear-resistant layer (15) is configured as a wear-resistant coating layer.

3. The super silent pneumatic muffler according to claim 1, characterized in that: A steel mesh (14) is provided at the upper end of the rubber buffer plate (11), and the steel mesh (14) is embedded in the inner position of the rubber buffer plate (11).

4. The super silent pneumatic muffler according to claim 1, characterized in that: A soft metal pad (3) is provided at the bottom end of the mounting tube (2), and the soft metal pad (3) is welded to the upper end of the mounting cylinder (8).

5. The super silent pneumatic muffler according to claim 1, characterized in that: A sealing gasket (6) is provided at the upper end of the installation tube (8), and the sealing gasket (6) is adhered to the upper end of the installation tube (8) by adhesive.

6. The super silent pneumatic muffler according to claim 1, characterized in that: A corrosion-resistant layer (5) is provided on the outside of the metal protective cover (4), and the corrosion-resistant layer (5) is configured as a chrome-plated layer.

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