CN212360095U

CN212360095U - Noise elimination structure for air compressor

Info

Publication number: CN212360095U
Application number: CN202020825322.0U
Authority: CN
Inventors: 赵长明
Original assignee: Qingdao Hengze Electronic Co ltd
Current assignee: Qingdao Hengze Electronic Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-15
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of air compressor noise reduction, and particularly discloses a noise elimination structure for an air compressor, which comprises an air compressor body, an air inlet silencer and an air outlet silencer; the input end of the air compressor body is communicated with an air inlet pipeline, and an air inlet silencer is arranged on the air inlet pipeline; the output end of the air compressor body is communicated with an air outlet pipeline, and an air outlet silencer is arranged on the air outlet pipeline; the air inlet silencer comprises a shell, a first air inlet and a first air outlet are respectively communicated with two ends of the shell, and a first sound absorption plate, a sound absorption assembly and a sound absorption assembly are sequentially arranged in the shell from the first air inlet to the first air outlet; the air outlet silencer comprises a shell, a second air inlet and a second air outlet are respectively communicated with two ends of the shell, and a sound-absorbing cotton layer and a plurality of second sound-absorbing boards which are uniformly arranged are sequentially arranged in the shell from the second air inlet to the second air outlet; the utility model discloses the noise cancelling effect is good, has reduced noise pollution.

Description

Noise elimination structure for air compressor

Technical Field

The utility model relates to a technical field that makes an uproar falls in the air compressor machine specifically is a noise cancelling structure for air compressor machine.

Background

An air compressor is a machine that compresses air to generate huge pneumatic power, and has multiple uses for propelling machinery, gas or liquid. The air pump of the air compressor can be divided into an electric air pump, a manual air pump and a foot-operated air pump according to the power source. In order to realize environment-friendly construction, a noise elimination structure is often arranged at an air inlet and an air outlet of the air compressor, so that noise generated during the operation of the air compressor is reduced. However, the existing silencing structure has unsatisfactory silencing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a noise cancelling structure for air compressor machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a silencing structure for an air compressor comprises an air compressor body, an air inlet silencer and an air outlet silencer; the input end of the air compressor body is communicated with an air inlet pipeline, and an air inlet silencer is arranged on the air inlet pipeline; the output end of the air compressor body is communicated with an air outlet pipeline, and an air outlet silencer is arranged on the air outlet pipeline; the air inlet silencer comprises a shell, a first air inlet and a first air outlet are respectively communicated with two ends of the shell, and a first sound absorption plate, a sound absorption assembly and a sound absorption assembly are sequentially arranged in the shell from the first air inlet to the first air outlet; the silencer of giving vent to anger includes the casing, and the both ends of casing communicate respectively has second air inlet and second gas outlet, is equipped with the second abatvoix that inhales the cotton layer of sound and a plurality of even settings by second air inlet to second gas outlet in proper order in the casing.

Preferably, the sound absorption assembly comprises a partition plate, a plurality of large silencing holes are uniformly formed in the partition plate, silencing strips are arranged in the large silencing holes, and a plurality of small silencing holes are formed in the silencing strips.

Preferably, the silencing strip is of a wave-shaped structure.

Preferably, the noise elimination assembly comprises a baffle plate, a plurality of noise elimination holes are formed in the baffle plate from one side to the other side, close to the first air inlet, and the inner diameters of the noise elimination holes are gradually decreased.

Preferably, the bottom of air compressor machine body is equipped with the shock pad of being made by rubber materials, and the shock pad bottom is equipped with the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through being equipped with the silencer of admitting air and giving vent to anger the silencer, can eliminate the air and be inhaled the air compressor machine and by the noise that produces when discharging the air compressor machine to can reduce the environmental pollution of noise.

2. The utility model discloses a bottom at the air compressor machine body is equipped with the shock pad, can reduce the vibrations that the air compressor machine body produced when moving, and then can improve the stability of air compressor machine when moving, also has the effect of reducing the noise.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the intake silencer of the present invention;

fig. 3 is a schematic structural view of the middle silencing bar of the present invention;

fig. 4 is the internal structure schematic diagram of the middle air outlet silencer of the present invention.

In the figure: 1. an air compressor body; 2. an air intake muffler; 21. a housing; 22. a first sound-absorbing panel; 23. a sound absorbing assembly; 231. a partition plate; 232. a large noise reduction hole; 233. a sound-deadening strip; 234. a sound-deadening pore; 24. a muffler assembly; 241. a baffle plate; 242. a sound-deadening aperture; 3. an air outlet silencer; 31. a housing; 32. a sound absorbing cotton layer; 33. a second sound-absorbing panel; 4. an air intake duct; 5. an air outlet pipe; 6. a shock pad; 7. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a silencing structure for an air compressor comprises an air compressor body 1, an air inlet silencer 2 and an air outlet silencer 3; the input end of the air compressor body 1 is communicated with an air inlet pipeline 4, and an air inlet silencer 2 is arranged on the air inlet pipeline 4; the output end of the air compressor body 1 is communicated with an air outlet pipeline 5, and an air outlet silencer 3 is arranged on the air outlet pipeline 5; the air inlet silencer 2 comprises an outer shell 21, a first air inlet and a first air outlet are respectively communicated with two ends of the outer shell 21, and a first sound absorption plate 22, a sound absorption assembly 23 and a sound absorption assembly 24 are sequentially arranged in the outer shell 21 from the first air inlet to the first air outlet; the silencer 3 of giving vent to anger includes casing 31, and the both ends of casing 31 communicate respectively has second air inlet and second gas outlet, is equipped with the second abatvoix 33 of inhaling cotton layer 32 and a plurality of even settings of sound in proper order by second air inlet to second gas outlet in the casing 31.

Further, the sound absorption assembly 23 includes a partition 231, a plurality of silencing large holes 232 are uniformly formed in the partition 231, silencing strips 233 are disposed in the silencing large holes 232, and a plurality of silencing small holes 234 are disposed on the silencing strips 233.

Further, the silencing bar 233 is of a wave-shaped structure.

Further, the noise elimination assembly 24 includes a baffle 241, a plurality of noise elimination holes 242 are arranged from one side to the other side of the baffle 241 close to the first air inlet, and the inner diameters of the plurality of noise elimination holes 242 decrease in sequence.

Further, the bottom of air compressor machine body 1 is equipped with the shock pad 6 of being made by rubber materials, and the 6 bottom of shock pad is equipped with base 7.

The working principle is as follows: when the air compressor is used, when the air compressor body 1 works, air firstly enters the air inlet silencer 2 through the air inlet pipeline 4, airflow is dispersed when the air passes through the first silencing plate 22, the airflow is reduced in flow speed, then the airflow enters the silencing perforation 232, the wavy silencing strip 233 is continuously impacted and rubbed, part of sound is converted into heat energy to be dissipated, the sound passes through the silencing strip 233 and then enters the silencing assembly 24, the silencing assembly is internally provided with a plurality of silencing holes 242, the sound is impacted and rubbed in the silencing holes 242 to be converted into heat energy to be dissipated, and noise generated when the air enters the air compressor body 1 can be eliminated after multiple times of silencing; the compressed air is discharged from the air compressor body 1 and enters the air outlet silencer 3, the airflow is dispersed when passing through the sound absorbing cotton layer 32 so as to reduce the flow velocity of the air, and then the air passes through the second sound absorbing plate 33 for multiple times, so that the noise generated when the air is discharged can be effectively absorbed; the bottom of air compressor machine body 1 is equipped with shock pad 6, can reduce the vibrations that produce when air compressor machine body 1 moves, and then can improve the stability when the air compressor machine moves, also has the effect of reducing the noise.

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

Claims

1. A noise elimination structure for an air compressor is characterized by comprising an air compressor body (1), an air inlet silencer (2) and an air outlet silencer (3); the input end of the air compressor body (1) is communicated with an air inlet pipeline (4), and an air inlet silencer (2) is arranged on the air inlet pipeline (4); the output end of the air compressor body (1) is communicated with an air outlet pipeline (5), and an air outlet silencer (3) is arranged on the air outlet pipeline (5); the air inlet silencer (2) comprises a shell (21), a first air inlet and a first air outlet are respectively communicated with two ends of the shell (21), and a first sound absorption plate (22), a sound absorption assembly (23) and a sound absorption assembly (24) are sequentially arranged in the shell (21) from the first air inlet to the first air outlet; give vent to anger silencer (3) and include casing (31), the both ends of casing (31) communicate respectively has second air inlet and second gas outlet, is equipped with second abatvoix (33) of inhaling cotton layer (32) and a plurality of even setting of sound in proper order by second air inlet to second gas outlet in casing (31).

2. The muffling structure for an air compressor according to claim 1, wherein: the sound absorption assembly (23) comprises a partition plate (231), a plurality of silencing large holes (232) are uniformly formed in the partition plate (231), silencing strips (233) are arranged in the silencing large holes (232), and a plurality of silencing small holes (234) are formed in the silencing strips (233).

3. The muffling structure for an air compressor according to claim 2, wherein: the silencing strip (233) is of a wave-shaped structure.

4. The muffling structure for an air compressor according to claim 1, wherein: the noise elimination assembly (24) comprises a baffle (241), a plurality of noise elimination holes (242) are formed in the baffle (241) from one side to the other side, close to the first air inlet, and the inner diameters of the noise elimination holes (242) are gradually decreased.

5. The muffling structure for an air compressor according to claim 1, wherein: the bottom of air compressor machine body (1) is equipped with shock pad (6) of being made by rubber materials, and shock pad (6) bottom is equipped with base (7).