Novel silencer

Abstract

The utility model belongs to the technical field of silencers, and particularly relates to a novel silencer which comprises an air inlet, an outer cylinder, an inner cylinder, a seal, an air outlet and a support. Wherein the two ends of the outer cylinder and the inner cylinder are sealed by the seals, the inner cylinder extends outwards to form an air inlet and passes through the outer cylinder to the outside, and the air inlet is connected with an air outlet of an external airflow pipeline through a metal hose. More than one air outlet hole is uniformly distributed in the bottom of the outer cylinder, and more than one air outlet hole is uniformly distributed in the surface of the inner cylinder. According to the silencer, high-speed airflow is throttled and decelerated, noise is reduced, and meanwhile normal exhaust of the high-speed airflow is not hindered.

Description

Technical Field

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

[0002] A silencer is a device that reduces noise in air ducts by using pipes and elbows with sound-absorbing linings, or by using pipes with sudden changes in cross-sectional area or other discontinuous acoustic impedance. The former is called a resistive silencer, while the latter is called a reactive silencer. There are also impedance-combined silencers.

[0003] When the solenoid valve that controls the lifting or lowering of the cylinder is working, the compressed air will flow out quickly due to the sudden opening or closing process, which will generate a lot of noise on site and cause great damage to the hearing of on-site workers. Utility Model Content

[0004] Purpose of the utility model: In order to solve the problems existing in the prior art, the utility model provides a new type of silencer to reduce the noise caused by compressed air and protect the hearing of workers.

[0005] The utility model is realized through the following technical solutions:

[0006] A new type of silencer includes an air inlet, an outer cylinder, an inner cylinder, a seal, and an air outlet; both ends of the outer cylinder and the inner cylinder are sealed, the inner cylinder extends outward from the air inlet through the outer cylinder to the outside, and the air inlet is connected to the air outlet of the external air flow duct through a metal hose; there are more than one air outlet evenly distributed on the bottom of the outer cylinder, and there are more than one air outlet evenly distributed on the surface of the inner cylinder.

[0007] Preferably, the inner cylinder, the outer cylinder and the seal are connected by welding.

[0008] Preferably, the air outlet holes are circular with a diameter of 4 mm, and more than one air outlet holes are evenly arranged parallel to the axis.

[0009] Preferably, the air inlet and the metal hose are connected by threaded connection.

[0010] Preferably, it further comprises a bracket, which is arranged at the bottom of the outer cylinder.

[0011] Preferably, the number of the air inlets is more than one, and two adjacent air inlets are arranged parallel to each other.

[0012] Preferably, the diameter of the outer cylinder is 230 mm, and the diameter of the inner cylinder is 218 mm.

[0013] The beneficial effects of the utility model are as follows:

[0014] The silencer of the utility model reduces the flow rate of the high-pressure airflow through the expansion of the cross-sectional area and the throttling cylinder, thereby eliminating on-site noise and protecting the hearing of workers, while also not affecting the normal discharge of gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the present utility model.

[0016] In the figure: 1. Air inlet; 2. External cylinder; 3. Internal cylinder; 4. Seal; 5. Air outlet; 6. Bracket. DETAILED DESCRIPTION

[0017] The following is a detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments. However, this embodiment is only used to explain the present invention and does not limit the present invention. Deformations and modifications made by technicians based on the present invention without creative work also fall within the scope of the present invention.

[0018] Example 1

[0019] A new type of silencer, such as Figure 1 As shown, it includes an air inlet 1, an outer cylinder 2, an inner cylinder 3, a seal 4, air outlets 5, and a bracket 6. Both ends of the outer cylinder 2 and the inner cylinder 3 are sealed by the seal 4. The inner cylinder 3 extends outward from the air inlet 1 through the outer cylinder 2 to the outside world. The air inlet 1 is connected to the air outlet of the external air flow duct via a metal hose. One or more air outlets 5 are evenly distributed on the bottom of the outer cylinder 2, and one or more air outlets 5 are evenly distributed on the surface of the inner cylinder 3. The bracket 6 is provided at the bottom of the outer cylinder 2.

[0020] In a preferred solution, the inner cylinder 3, the outer cylinder 2 and the seal 4 are connected by welding.

[0021] In a preferred solution, the air outlet holes 5 are circular, have a diameter of 4 mm, and are arranged parallel to the axis.

[0022] In a preferred solution, the air inlet 1 and the metal hose are connected by threaded connection.

[0023] In a preferred solution, the diameter of the outer cylinder 2 is 230 mm, and the diameter of the inner cylinder 3 is 218 mm.

[0024] In a preferred solution, the number of the air inlets 1 is more than one, and two adjacent air inlets 1 are arranged parallel to each other.

[0025] In actual operation, the compressed air in the air flow duct enters the inner cylinder 3 of the muffler through the air outlet, the metal hose and the air inlet 1, and is throttled and discharged into the area between the outer cylinder 2 and the inner cylinder 3 through the air outlet 5 on the inner cylinder 3, and then discharged through the air outlet 5 at the bottom of the outer cylinder 3 to achieve the purpose of silencing.

Claims

1. A new type of silencer, characterized in that: The invention comprises an air inlet (1), an outer cylinder (2), an inner cylinder (3), a sealing opening (4), and an air outlet (5); both ends of the outer cylinder (2) and the inner cylinder (3) are sealed by the sealing opening (4); the inner cylinder (3) extends outward from the air inlet (1) through the outer cylinder (2) to the outside; the air inlet (1) is connected to the air outlet of the external air flow duct through a metal hose; one or more air outlets (5) are evenly distributed on the bottom of the outer cylinder (2), and one or more air outlets (5) are evenly distributed on the surface of the inner cylinder (3).

2. A novel muffler as claimed in claim 1, characterized in that: The inner cylinder (3), the outer cylinder (2) and the seal (4) are connected by welding.

3. A novel muffler as claimed in claim 1, characterized in that: The air outlet holes (5) are circular with a diameter of 4 mm, and more than one air outlet holes (5) are evenly arranged parallel to the axis.

4. A novel muffler as claimed in claim 1, characterized in that: The air inlet (1) is connected to the metal hose in a threaded connection.

5. A novel muffler as claimed in claim 1, characterized in that: It also includes a bracket (6), which is arranged at the bottom of the outer cylinder (2).

6. A novel muffler as claimed in claim 1, characterized in that: The number of the air inlets (1) is more than one, and two adjacent air inlets (1) are arranged parallel to each other.

7. A novel muffler as claimed in claim 1, characterized in that: The diameter of the outer cylinder (2) is 230 mm, and the diameter of the inner cylinder (3) is 218 mm.

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