CN209762538U - High performance multi-chamber silencer - Google Patents

Abstract

The utility model discloses a multi-chambered muffler of high performance, which comprises an outer shell, the upper end surface intermediate position fixed mounting of shell has external screwed pipe joint, the inside of shell is close to the fixed position of upper end and installs filter disc polyester felt, the lower extreme fixed surface of filter disc polyester felt installs the perforated plate, the inside of shell runs through there are three connecting screw, and connecting screw's surface is close to the position parcel of lower extreme and has compressed tightly the pipe box, it has plastic ball nut to compress tightly the position parcel that the pipe box surface is close to the lower extreme, the shell passes through welded mode fixed mounting with external screwed pipe joint, the surface of filter disc polyester felt is provided with a plurality of accent. The utility model discloses a be provided with a series of structures and make this device in the use for this multi-chambered muffler of high performance compact structure, small in size eliminates the noise reduction effect better, changes in making, optimizes the use.

Description

High performance multi-chamber silencer

Technical Field

The utility model relates to a muffler technical field specifically is a multi-chambered muffler of high performance.

Background

Generally, various mechanical equipment and various pipelines cannot be separated in the industry, all mechanical operation and pipeline exhaust can generate noise, the noise directly influences the health problems of people, various silencers with different sizes can be installed on corresponding equipment to eliminate the noise and the like in order to eliminate the noise problems of different frequencies and high amplitudes, the noise is eliminated for the occurrence of all the silencers, the life quality service of people is improved, but the existing silencers basically hardly achieve high emission and short ventilation time, and the using effect of the silencer is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's situation, overcome above-mentioned defect, provide a multi-chambered muffler of high performance.

The utility model discloses a following technical scheme, multi-chambered muffler of high performance, which comprises an outer shell, the upper end surface intermediate position fixed mounting of shell has the external screwed pipe joint, the inside fixed position that is close to the upper end of shell installs filter disc polyester felt, the lower extreme fixed surface of filter disc polyester felt installs the perforated plate, the inside of shell runs through three connecting screw, and connecting screw's surface is close to the position parcel of lower extreme and has the pipe box that compresses tightly, it has the plastics ball nut to compress tightly the position parcel that the pipe box surface is close to the lower extreme.

Through adopting above-mentioned technical scheme for this multi-chambered muffler of high performance compact structure, small in size eliminates the noise reduction effect better, changes in the manufacturing.

Preferably, the outer shell and the external thread pipe joint are fixedly installed in a welding mode.

Through adopting above-mentioned technical scheme, welded shell makes muffler compact structure with external screw thread coupling.

Preferably, the outer surface of the polyester felt of the filter disc is provided with a plurality of cavities, and the outer surface of the perforated plate is provided with a plurality of perforations which are matched with the cavities.

By adopting the technical scheme, the noise flowing at high speed is changed through the structure of the shell, flows through the porous filter disc polyester felt and the perforated plate, and has the absorption and buffering functions, so that the generation of noise sound waves is inhibited.

Preferably, the polyester felt of the filter disc is a multi-chamber hollow wave passing disc.

By adopting the technical scheme, when the gas enters the inner cavity of the shell, the gas is rapidly expanded, the original pressure is instantly reduced, the flow rate is also reduced, and the gas is directly blown into the atmosphere through the perforated plate after being buffered and refracted by the multi-chamber of the porous filter disc polyester felt.

Preferably, an inlet is arranged between the shell and the external thread pipe joint, and the diameter of the inlet is increased from small to large.

Through adopting above-mentioned technical scheme, the inflow of the exhaust of being convenient for.

Preferably, the ratio of the inner diameter of the externally threaded pipe joint to the inner diameter of the outer shell is 1: 3.5.

By adopting the technical scheme, the gas is variable, and the exhaust pressure is reduced.

To sum up, the utility model discloses following beneficial effect has:

The silencer is formed by combining a pipe with an abrupt interface and a chamber, the diameter of an inlet of a shell is changed from small to large, namely, the diameter of the inlet of the shell is changed from the inner diameter of an external thread pipe joint to the inner diameter of the shell, and the diameter ratio of the inlet of the shell to the inner diameter of the shell is 1:3.5, 6bar high-pressure gas that the exhaust flowed in from the external screw thread coupling, when having arrived the shell inner chamber, gas carries out rapid inflation, original pressure descends in the twinkling of an eye, the velocity of flow has also obtained the decline, after the multichamber buffering refraction of porous filter disc polyester felt, directly blow to the atmosphere through the perforated plate, the change of shell structure is passed through to original high-speed noise that flows, and the absorption and the cushioning effect of porous filter disc polyester felt of flowing through, thereby noise sound wave production has been suppressed, reached and eliminated the influence to the environment, make this kind of muffler ideally combine the three highest requirement of muffler: high discharge capacity, short ventilation time and good sound insulation effect, and because the axial air outlet can be blown out harmlessly, the temperature can reach 90 ℃ when the air conditioner runs continuously, and meanwhile, the air conditioner is oil-resistant and water-resistant and can be cleaned by gasoline and the like.

Drawings

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

Fig. 2 is a combined view of the compression pipe sleeve and the plastic ball nut of the present invention.

In the figure: 1. an externally threaded pipe joint; 2. a housing; 3. a filter disc polyester felt; 4. a perforated plate; 5. connecting a screw rod; 6. compressing the pipe sleeve; 7. a plastic ball nut.

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 "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a high-performance multi-chamber silencer comprises a shell 2, an external thread pipe joint 1 is fixedly arranged at the middle position of the outer surface of the upper end of the shell 2, the external thread pipe joint 1 is easier to install than a flange and is convenient to use in various pipelines, particularly, threads are most widely applied in the pipelines, and the silencer has the advantage of low manufacturing cost, a filter disc polyester felt 3 is fixedly arranged at the position, close to the upper end, inside the shell 2, a multi-chamber hollow filter disc polyester felt 3 is adopted, can effectively absorb sound, has aging resistance and greatly prolongs the service life of the silencer, a perforated plate 4 is fixedly arranged on the outer surface of the lower end of the filter disc polyester felt 3, 6bar high-pressure gas flowing from the external thread pipe joint 1 is exhausted, when the gas reaches the inner cavity of the shell 2, the gas is rapidly expanded, the original pressure is instantly reduced, the flow rate is also reduced, and after multi-chamber buffering refraction of the porous filter, the air is directly blown to the atmosphere through the perforated plate 4, the three connecting screws 5 penetrate through the inside of the shell 2, the outer surface of each connecting screw 5 is wrapped by the compression pipe sleeve 6 at the position close to the lower end, and the outer surface of each compression pipe sleeve 6 is wrapped by the plastic ball nut 7 at the position close to the lower end.

Furthermore, the shell 2 and the male pipe joint 1 are fixedly installed in a welding mode, and the silencer is compact in structure due to the welded shell 2 and the male pipe joint 1.

Furthermore, a plurality of cavities are formed in the outer surface of the polyester felt 3 of the filter disc, a plurality of through holes are formed in the outer surface of the perforated plate 4, the through holes are matched with the cavities, and noise flowing at a high speed is absorbed and buffered by the polyester felt 3 of the porous filter disc and the perforated plate 4 through the structural change of the shell 2, so that noise sound waves are inhibited.

Further, the filter disc polyester felt 3 is a multi-chamber hollow wave-passing disc, when gas enters the inner chamber of the shell 2, the gas rapidly expands, the original pressure is instantly reduced, the flow rate is also reduced, and after the gas is subjected to multi-chamber buffering refraction of the porous filter disc polyester felt 3, the gas is directly blown into the atmosphere through the perforated plate 4.

Furthermore, an inlet is arranged between the outer shell 2 and the external thread pipe joint 1, and the diameter of the inlet is gradually increased, so that exhaust gas can flow into the inlet conveniently.

Further, the ratio of the inner diameter of the male screw pipe joint 1 to the inner diameter of the housing 2 is 1:3.5, so that the gas is variable until the exhaust pressure is reduced.

It should be noted that, the utility model relates to a multi-chambered muffler of high performance, during the use, put porous filter disc polyester felt 3 and cover perforated plate 4 in 2 inner chambers of muffler shell, then insert connecting screw 5 from the outer terminal surface, it fixes perforated plate 4 to insert compressing tightly pipe box 6 again, screw plastic ball nut 7 at last can, this muffler is formed by the pipe and the room combination of sudden change interface simultaneously, the inlet port diameter of shell 2 changes greatly from childhood, the internal diameter from external screw pipe joint changes the internal diameter of shell 2 promptly, and its diameter ratio is 1:3.5, 6bar high-pressure gas that the exhaust flowed in from external screw thread coupling 1, when having arrived shell 2 inner chambers, gas carries out rapid inflation, original pressure descends in the twinkling of an eye, the velocity of flow has also been reduced, after the multichamber buffering refraction of porous filter disc polyester felt 3, directly blow to the atmosphere through perforated plate 4, the change of shell 2 structure of the original high-speed noise that flows through, and the absorption and the cushioning effect of porous filter disc polyester felt 3 of flowing through to the noise sound wave production has been suppressed, reached and eliminated the influence to the environment, make this kind of muffler ideally combine the three highest requirements of muffler: the axial air outlet can be blown out harmlessly, so that the temperature can reach 90 ℃ during continuous operation, and meanwhile, the axial air outlet is oil-resistant and water-resistant, can be cleaned through gasoline and the like, effectively increases the functionality of the axial air outlet, and is practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A high performance multi-chamber muffler comprising a housing (2), characterized in that: the utility model discloses a plastic ball nut, including shell (2), outer surface fixed mounting of upper end of shell (2) has external screwed pipe joint (1), the inside fixed mounting of position that is close to the upper end of shell (2) has filter disc polyester felt (3), the outer fixed mounting of lower extreme of filter disc polyester felt (3) has perforated plate (4), the inside of shell (2) is run through there are three connecting screw (5), and the position parcel that the surface of connecting screw (5) is close to the lower extreme has and compresses tightly pipe box (6), it has plastic ball nut (7) to compress tightly pipe box (6) surface position parcel that is close to the lower extreme.

2. a high performance multi-chambered muffler, as defined in claim 1, wherein: the shell (2) and the external thread pipe joint (1) are fixedly installed in a welding mode.

3. A high performance multi-chambered muffler, as defined in claim 1, wherein: the outer surface of the filter disc polyester felt (3) is provided with a plurality of cavities, the outer surface of the perforated plate (4) is provided with a plurality of perforations, and the perforations are matched with the cavities.

4. A high performance multi-chambered muffler, as defined in claim 1, wherein: the filter disc polyester felt (3) is a multi-chamber hollow wave passing disc.

5. a high performance multi-chambered muffler, as defined in claim 1, wherein: an inlet is arranged between the shell (2) and the external thread pipe joint (1), and the diameter of the inlet is increased from small to large.

6. A high performance multi-chambered muffler, as defined in claim 1, wherein: the ratio of the inner diameter of the external thread pipe joint (1) to the inner diameter of the shell (2) is 1: 3.5.