CN216198404U

CN216198404U - Low-noise environment-friendly silencer

Info

Publication number: CN216198404U
Application number: CN202122611693.6U
Authority: CN
Inventors: 龚忠有
Original assignee: Chengdu Zhihe Environmental Protection Science & Technology Co ltd
Current assignee: Chengdu Zhihe Environmental Protection Science & Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model belongs to the technical field of environmental protection, and particularly relates to a low-noise environment-friendly silencer which comprises a silencing pipe, wherein two ends of the silencing pipe are fixedly connected with connecting flanges, inner walls of the two flanges are fixedly connected with buffer blocks, and one side surface of each of the two buffer blocks is provided with guide holes distributed in an annular array. This low noise environment-friendly muffler, inner wall through setting up the hush pipe is provided with the device of making an uproar, and the device of making an uproar is including making an uproar layer of falling, the surface on the layer of making an uproar falls and the inner wall of hush pipe is fixed to be cup jointed, the processing of making an uproar falls when having reached exhaust emission, the effect of driving safety nature is improved, current automobile engine is in the exhaust process has been solved, gaseous rushes out the gas vent fast, because gas pressure and speed can produce very big noise, the noise influence that lasts can make navigating mate headache under, dizziness, attention is not concentrated and phenomenon such as reaction dullness, noise pollution has not only been produced, and the problem of safe driving has still been seriously influenced.

Description

Low-noise environment-friendly silencer

Technical Field

The utility model relates to the technical field of environmental protection, in particular to a low-noise environment-friendly silencer.

Background

The automobile exhaust device is one of important devices for connecting the air outlet end of an engine with the atmosphere, and mainly plays a role in discharging waste gas generated by the engine and purifying the waste gas.

The existing automobile engine is in the exhaust process, and gas rushes out of the exhaust port quickly, and because gas pressure and speed can generate great noise, the continuous noise influences the phenomena of headache, dizziness, inattention, reaction slowness and the like of drivers, so that noise pollution is generated, and the problem of safe driving is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Based on the fact that gas quickly rushes out of an exhaust port in the exhaust process of an existing automobile engine, due to the fact that gas pressure and speed can generate extremely large noise, and phenomena such as headache, dizziness, inattention and reaction delay of drivers can be caused under the influence of continuous noise, noise pollution is caused, and the technical problem of safe driving is seriously influenced.

The utility model provides a low-noise environment-friendly silencer, which comprises a silencing pipe, wherein two ends of the silencing pipe are fixedly connected with connecting flanges, the inner walls of the two flanges are fixedly connected with buffering blocks, and one side surface of each of the two buffering blocks is provided with flow guide holes distributed in an annular array;

the inner wall of the silencing pipe is provided with a noise reduction device, the noise reduction device comprises a noise reduction layer, and the outer surface of the noise reduction layer is fixedly sleeved with the inner wall of the silencing pipe.

Preferably, the noise reduction layer is made of sound absorption cotton materials, and an annular partition plate is fixedly sleeved on the inner wall of the noise reduction layer;

through above-mentioned technical scheme, flange plays the effect of being convenient for carry out the installation to the muffler pipe, and the buffer block is used with the cooperation in water conservancy diversion hole, and speed when playing reduction exhaust emission reduces the effect of noise.

Preferably, the inner wall of the annular partition plate is fixedly communicated with sound absorption cylinders distributed in an annular array, and the opposite surfaces of the two connecting flanges are fixedly connected with fixing rods;

through above-mentioned technical scheme, inhale the sound section of thick bamboo and be the slope setting, play better with the noise absorption and the effect of carrying.

Preferably, the outer surface of the fixed rod is fixedly sleeved with guide blocks distributed in a linear array, and the cross sections of the guide blocks are in a conical shape;

through above-mentioned technical scheme, the dead lever plays and carries out the effect fixed to the water conservancy diversion piece, and the water conservancy diversion piece is the toper and plays further buffering and change its motion curve's effect to gas.

Preferably, the outer surfaces of the guide blocks are provided with vent holes distributed in an annular array, and the surfaces of the two connecting flanges, which are opposite to each other, are provided with sealing grooves;

through above-mentioned technical scheme, the air vent plays filtering part waste gas, prevents that single water conservancy diversion piece from blockking that more waste gas leads to exhausting not smooth-going effect.

Preferably, the inner walls of the two sealing grooves are fixedly connected with sealing gaskets;

through above-mentioned technical scheme, one side of seal ring is higher than the seal groove, plays and extrudes sealedly when connecting the blast pipe, prevents that waste gas from leaking the effect that produces great noise pollution.

The beneficial effects of the utility model are as follows:

1. inner wall through setting up the hush pipe is provided with the device of making an uproar of falling, and the device of making an uproar of falling is including the layer of making an uproar of falling, the surface on the layer of making an uproar of falling cup joints with the inner wall of hush pipe is fixed, the processing of making an uproar of falling when having reached exhaust emission, the effect of driving safety is improved, current automobile engine is at the exhaust process has been solved, gaseous rushing out the gas vent fast, because gas pressure and speed can produce very big noise, can make navigating mate headache under the noise influence that lasts, dizziness, phenomenon such as attention is not concentrated and reaction dullness, noise pollution has not only been produced, and the problem of safe driving has still been seriously influenced.

2. Through setting up the layer of making an uproar, annular baffle, inhale sound section of thick bamboo, the cooperation of water conservancy diversion piece and air vent is used, play and cushion and make partial gas pass through the air vent and discharge when waste gas passes through the water conservancy diversion piece, another partial gas makes it get into inhale sound section of thick bamboo through the guide of conical water conservancy diversion piece in, the noise that waste gas produced when the pipeline is being passed through inhales sound section of thick bamboo and carries to fall to adsorb in the layer of making an uproar and fall, cooperation through a plurality of water conservancy diversion pieces and an inhale sound section of thick bamboo, make waste gas more before the discharge with fall the layer of making an uproar and adsorb the effect of making an uproar.

Drawings

FIG. 1 is a schematic view of a low noise environmental friendly muffler;

FIG. 2 is a sectional view of a muffler pipe of a low noise environment-friendly muffler;

FIG. 3 is an enlarged view of the structure A in FIG. 2 of a low noise environment friendly muffler.

In the figure: 1. a sound-deadening tube; 2. a connecting flange; 3. a buffer block; 4. a noise reduction layer; 41. an annular partition plate; 42. a sound absorbing barrel; 43. fixing the rod; 44. a flow guide block; 45. a vent hole; 46. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a low-noise environment-friendly muffler comprises a muffler pipe 1, wherein two ends of the muffler pipe 1 are fixedly connected with connecting flanges 2, inner walls of the two flanges are fixedly connected with buffer blocks 3, and one side surfaces of the two buffer blocks 3 are provided with guide holes distributed in an annular array;

the inner wall of the hush pipe 1 is provided with a noise reduction device, the noise reduction device comprises a noise reduction layer 4, and the outer surface of the noise reduction layer 4 is fixedly sleeved with the inner wall of the hush pipe 1.

Further, it makes by inhaling the cotton material of sound to fall layer 4 of making an uproar, and the inner wall of falling layer 4 of making an uproar is fixed to be cup jointed annular baffle 41, and flange 2 plays the effect of being convenient for install to muffler pipe 1, and buffer block 3 uses with the cooperation in water conservancy diversion hole, speed when playing the reduction exhaust emission, the effect of noise reduction.

Further, the inner wall of the annular partition plate 41 is fixedly communicated with sound-absorbing cylinders 42 distributed in an annular array, the opposite surfaces of the two connecting flanges 2 are fixedly connected with fixing rods 43, the sound-absorbing cylinders 42 are obliquely arranged, and the sound-absorbing cylinders can better absorb and convey noise.

Further, the outer surface of the fixing rod 43 is fixedly sleeved with the flow guide blocks 44 distributed in a linear array, the cross sections of the flow guide blocks 44 are in a conical shape, the fixing rod 43 plays a role in fixing the flow guide blocks 44, and the flow guide blocks 44 are in a conical shape and play a role in further buffering gas and changing the motion curve of the gas.

Further, the air vent 45 that is the annular array and distributes is all seted up to a plurality of water conservancy diversion blocks 44's surface, and the seal groove has all been seted up on the surface that two flange 2 carried on the back mutually, and air vent 45 plays filtering part waste gas, prevents that single water conservancy diversion block 44 from blockking that more waste gas leads to exhausting unsmooth effect.

Further, the inner walls of the two sealing grooves are fixedly connected with sealing gaskets 46, one sides of the sealing gaskets 46 are higher than the sealing grooves, the sealing gaskets 46 are extruded and sealed when the exhaust pipes are connected, and the effect of preventing exhaust gas leakage from generating large noise pollution is achieved.

Be provided with the device of making an uproar of falling through the inner wall that sets up amortization pipe 1, and the device of making an uproar of falling is including the layer 4 of making an uproar of falling, the fixed cup joint of inner wall of the surface of the layer 4 of making an uproar of falling and amortization pipe 1, the processing of making an uproar of falling when having reached exhaust emission, the effect of driving safety is improved, current automobile engine is in the exhaust process has been solved, gaseous rushes out the gas vent fast, because gas pressure and speed can produce very big noise, can make navigating mate headache under the noise influence that lasts, it is dizzy, attention is not concentrated and phenomenon such as reaction slow, not only noise pollution has been produced, and the problem of safe driving has still been seriously influenced.

Through the cooperation that sets up layer 4 of making an uproar, annular baffle 41, inhale sound barrel 42, water conservancy diversion piece 44 and air vent 45 are used, play and cushion and make some gas pass through air vent 45 and discharge when waste gas passes through water conservancy diversion piece 44, another part is gaseous makes it get into in inhaling sound barrel 42 through the guide of conical water conservancy diversion piece 44, waste gas is carried to the layer 4 of making an uproar in through inhaling sound barrel 42 and is fallen the noise when the pipeline noise that produces, through the cooperation of a plurality of water conservancy diversion pieces 44 and inhale sound barrel 42, make waste gas more and the layer 4 contact adsorption noise reduction's of making an uproar effect of making an uproar before discharging.

The working principle is as follows: when the exhaust silencer is used, the exhausted waste gas is contacted with the buffer block 3 and enters the silencing pipe 1 through the flow guide holes, the waste gas is buffered when passing through the flow guide block 44, part of the gas is exhausted through the vent holes 45, the other part of the gas is guided by the conical flow guide block 44 to enter the sound absorption barrel 42, the noise generated when the waste gas passes through the pipeline is conveyed into the noise reduction layer 4 through the sound absorption barrel 42 to be adsorbed and reduced, part of the gas exhausted through the vent holes 45 can enter the sound absorption barrel 42 through the guide of the other conical flow guide block 44 again, and is conveyed into the noise reduction layer 4 to be adsorbed and reduced, so that the adsorption and the noise reduction are repeated, and finally the waste gas is exhausted through the flow guide holes at the other end of the silencing pipe 1, so that the noise can be effectively absorbed, and the noise can be prevented from being transmitted to the outside through the gas.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a low noise environment-friendly muffler, includes hush pipe (1), its characterized in that: the two ends of the silencing pipe (1) are fixedly connected with connecting flanges (2), the inner walls of the two flanges are fixedly connected with buffer blocks (3), and one side surfaces of the two buffer blocks (3) are provided with guide holes distributed in an annular array;

the noise reduction device is arranged on the inner wall of the silencing pipe (1) and comprises a noise reduction layer (4), and the outer surface of the noise reduction layer (4) is fixedly sleeved with the inner wall of the silencing pipe (1).

2. The muffler according to claim 1, wherein: the noise reduction layer (4) is made of sound absorption cotton materials, and an annular partition plate (41) is fixedly sleeved on the inner wall of the noise reduction layer (4).

3. The low noise environment friendly muffler according to claim 2, wherein: the inner wall of the annular partition plate (41) is fixedly communicated with sound absorption cylinders (42) distributed in an annular array, and the opposite surfaces of the two connecting flanges (2) are fixedly connected with fixing rods (43).

4. The low-noise environment-friendly muffler according to claim 3, wherein: the outer surface of the fixed rod (43) is fixedly sleeved with guide blocks (44) distributed in a linear array, and the cross sections of the guide blocks (44) are all in a conical shape.

5. The muffler according to claim 4, wherein: a plurality of air vents (45) distributed in an annular array are formed in the outer surface of the flow guide block (44), and sealing grooves are formed in the surfaces, back to back, of the connecting flanges (2).

6. The muffler according to claim 5, wherein: and the inner walls of the two sealing grooves are fixedly connected with sealing gaskets (46).