CN219571241U - Energy-saving environment-friendly muffler - Google Patents

Abstract

The utility model relates to the field of silencers, in particular to an energy-saving and environment-friendly silencer, which comprises a silencing pipe, wherein an inlet pipe is connected to the center of one end of the silencing pipe, an exhaust assembly is connected to the center of the other end of the silencing pipe, one end of the exhaust assembly is connected with a resistive silencing assembly, and one end of the resistive silencing assembly is connected with a resistive silencing assembly; the resistive muffler component comprises connecting pipes distributed at equal intervals, an absorbing pipe welded on the outer wall of one end of the connecting pipe, a partition plate arranged on the inner wall of the absorbing pipe, and a baffle plate welded on the center of the outer wall of the absorbing pipe. According to the utility model, the noise is absorbed and blocked through the vacuum layer and the sound-absorbing cotton, the partition plate is matched with the sound-insulating cotton to further absorb and block the noise, and the sound-absorbing sponge clamped by the first conical net and the second conical net on the discharge pipe is used for absorbing the noise, so that the noise is conveniently absorbed and blocked, the noise amount is reduced, the energy conservation and the environmental protection are facilitated, and the noise elimination capability is improved.

Description

Energy-saving environment-friendly muffler

Technical Field

The utility model relates to the technical field of silencers, in particular to an energy-saving and environment-friendly silencer.

Background

The muffler refers to an air flow pipeline with noise transmission, and noise in the pipeline can be attenuated or reflected back by using noise reduction devices such as pipelines with sound absorption lining and elbows or pipelines with suddenly changed sectional areas and discontinuous acoustic impedances;

the muffler in the environment-friendly equipment reduces and absorbs noise generated during the starting or discharging process of the equipment, and reduces the discharging or the generated noise;

search for patent: energy-concerving and environment-protective type silencer (202122598981.2) is made the sound wave rebound and makes it strike each other through making an uproar mechanism that falls to make noise decay by a wide margin, practiced thrift a large amount of sound absorbing material, be convenient for dismantle the intake pipe through maintenance mechanism, thereby convenient maintenance and change need not the direct new silencer that changes, responded energy-concerving and environment-protective green new theory, be resistant silencer in this application file, single resistance is relatively poor to the reducing effect with the noise.

Disclosure of Invention

The utility model aims to solve the problems and the shortcomings, and provides an energy-saving and environment-friendly muffler: the resistive silencing component in the silencing pipe is matched with the resistive silencing component to fully perform reflection elimination and absorption elimination on noise, so that the influence of the noise on the environment is reduced, the energy conservation and environmental protection are facilitated, and the problem that the noise attenuation capability is poor due to single resistive silencing is solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the energy-saving environment-friendly muffler comprises a muffler pipe, wherein an inlet pipe is connected to the center of one end of the muffler pipe, an exhaust assembly is connected to the center of the other end of the muffler pipe, a resistive muffler assembly is connected to one end of the exhaust assembly, and a resistive muffler assembly is connected to one end of the resistive muffler assembly; the resistive muffler component comprises connecting pipes distributed at equal intervals, absorbing pipes welded on the outer wall of one end of each connecting pipe, a partition plate arranged on the inner wall of each absorbing pipe, a baffle plate welded on the center of the outer wall of each absorbing pipe, soundproof cotton bonded on the outer walls of the two sides of each partition plate and through holes formed in the top of the outer wall of each partition plate.

Preferably, one end of the connecting pipe is connected with one end of the absorption pipe respectively, the connecting pipe is communicated with the inside of the absorption pipe, and communicating holes distributed equidistantly are formed in the outer wall of one end of the connecting pipe;

according to the scheme: through the sound wave earlier with the contact of second reflecting plate, second reflecting plate reflection sound wave collides with the sound wave that gets into, and the sound wave spreads to the one end of whole sound pipe of inhaling, and then the sound wave is reflected at the back of second reflecting plate after contacting with first reflecting plate, reduces the noise, improves environmental protection equipment's environmental protection ability.

Preferably, the resistive muffler assembly comprises an extension pipe, a first reflecting plate welded on the outer wall of one end of the extension pipe, a mounting frame welded on the outer wall of one end of the extension pipe, and a second reflecting plate arranged on the other end of the extension frame, wherein the reflecting surfaces of the first reflecting plate and the second reflecting plate face the inlet pipe.

Preferably, one end of the extension pipe is communicated with one end of the connecting pipe, and the first reflecting plate and the baffle plate are installed on the inner wall of the silencing pipe in a sealing mode.

Preferably, the discharging assembly comprises a discharging pipe, a first conical net arranged at one end of the inner wall of the discharging pipe, a sound-absorbing sponge sleeved on the outer wall of the first conical net and a second conical net sleeved on the outer wall of the sound-absorbing sponge;

according to the scheme: the noise is absorbed and blocked through the vacuum layer and the sound absorbing cotton, the partition plate is matched with the sound insulating cotton to further absorb and block the noise, the sound absorbing sponge clamped by the first conical net and the second conical net on the discharge pipe is used for absorbing the noise, so that the noise is conveniently absorbed and blocked, the noise amount is reduced, the energy conservation and the environmental protection are facilitated, and the noise elimination capability is improved.

Preferably, the inner wall of the silencing pipe is provided with a hollow layer on one side of the first reflecting plate, sound absorbing cotton is fixed on the outer wall of the inner side of the silencing pipe, which is positioned on the hollow layer, and the inner wall of the sound absorbing pipe is provided with equidistantly distributed absorption holes at the position of the sound absorbing cotton.

Preferably, the second conical net is arranged on the inner wall of the discharge pipe, an inlet hole is formed in one end of the inner wall of the discharge pipe, and one end of the discharge pipe is communicated with the center of one side of the absorption pipe.

Preferably, the outer walls of the two ends of the silencing pipe are provided with dismounting rings.

The beneficial effects of the utility model are as follows:

1. the sound waves firstly contact with the second reflecting plate, the second reflecting plate reflects the sound waves to collide with the entered sound waves, the sound waves are diffused to one end of the whole sound absorption pipe, then the sound waves are reflected on the back surface of the second reflecting plate after contacting with the first reflecting plate, noise is reduced, and the environment protection capability of environment-friendly equipment is improved;

2. the noise is absorbed and blocked through the vacuum layer and the sound absorbing cotton, the partition plate is matched with the sound insulating cotton to further absorb and block the noise, the sound absorbing sponge clamped by the first conical net and the second conical net on the discharge pipe is used for absorbing the noise, so that the noise is conveniently absorbed and blocked, the noise amount is reduced, the energy conservation and the environmental protection are facilitated, and the noise elimination capability is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of a muffler pipe of an energy-saving and environment-friendly muffler according to the present utility model;

FIG. 2 is a schematic view of a structural resistive muffler assembly and a resistive muffler assembly of an energy efficient and environmental friendly muffler according to the present utility model;

FIG. 3 is a schematic view of an expanded structure of a discharge pipe of an energy-saving and environment-friendly muffler according to the present utility model;

FIG. 4 is a schematic view of the cross-sectional structure of the interior of a muffler pipe of an energy-saving and environment-friendly muffler according to the present utility model;

FIG. 5 is a schematic diagram of the sectional structure of an absorption tube of an energy-saving and environment-friendly muffler according to the present utility model;

fig. 6 is a schematic diagram of the overall structure of an energy-saving and environment-friendly muffler according to the present utility model.

In the figure: 1 muffler pipe, 2 resistive muffler components, 3 resistive muffler components, 4 inlet pipe, 5 outlet components, 6 connecting pipes, 7 absorbing pipes, 8 baffle plates, 9 communication holes, 10 baffle plates, 11 soundproof cotton, 12 through holes, 13 first reflecting plates, 14 extension pipes, 15 second reflecting plates, 16 discharge pipes, 17 first conical net, 18 sound absorbing sponge, 19 second conical net, 20 inlet holes, 21 hollow layers, 22 sound absorbing cotton, 23 absorbing holes, 24 dismounting rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1:

referring to fig. 1-2 and fig. 4-6, an energy-saving and environment-friendly muffler comprises a muffler pipe 1, wherein an inlet pipe 4 is connected to the center of one end of the muffler pipe 1, a discharge assembly 5 is connected to the center of the other end of the muffler pipe 1, one end of the discharge assembly 5 is connected with a resistive muffler assembly 2, one end of the resistive muffler assembly 2 is connected with a resistive muffler assembly 3, and the resistive muffler assembly 2 in the muffler pipe 1 is matched with the resistive muffler assembly 3 to fully perform reflection elimination and absorption elimination on noise, so that the influence of the noise on the environment is reduced, and the energy saving and environment protection are facilitated;

the anti-noise elimination assembly 3 comprises an extension pipe 14, a first reflecting plate 13 welded on the outer wall of one end of the extension pipe 14, a mounting frame welded on the outer wall of one end of the extension pipe 14 and a second reflecting plate 15 arranged on the other end of the extension frame, wherein the reflecting surfaces of the first reflecting plate 13 and the second reflecting plate 15 face to the inlet pipe 4, and the first reflecting plate 13 and the second reflecting plate 14 at one end of the noise elimination pipe 1 are matched with the inner wall of the noise elimination pipe 1 to reflect and scatter noise, so that the noise frequency is disturbed, and the noise tone and volume are primarily reduced;

one end of the extension pipe 14 is communicated with one end of the connecting pipe 6, and the first reflecting plate 13 and the baffle plate 8 are hermetically arranged on the inner wall of the silencing pipe 1;

a hollow layer 21 is arranged on one side of the inner wall of the silencing pipe 1, which is positioned on the first reflecting plate 13, sound-absorbing cotton 22 is fixed on the outer wall of the inner side of the silencing pipe 1, which is positioned on the hollow layer 21, and absorption holes 23 which are distributed equidistantly are formed in the position, which is positioned on the sound-absorbing cotton 22, of the inner wall of the silencing pipe 1;

the outer walls of the two ends of the silencing pipe 1 are provided with dismounting rings 24, and the dismounting rings 24 at the two ends of the silencing pipe 1 before the silencing pipe 1 is mounted protect the two ends of the silencing pipe 1 and prevent collision.

Example 2:

referring to fig. 1 to 3 and 5, the resistive muffler assembly 2 includes a connection pipe 6 equidistantly distributed, an absorption pipe 7 welded to an outer wall of one end of the connection pipe 6, a separation plate 10 installed at an inner wall of the absorption pipe 7, a barrier plate 8 welded at a center of an outer wall of the absorption pipe 7, soundproof cotton 11 adhered to outer walls of both sides of the separation plate 10, and a through hole 12 opened at a top of the outer wall of the separation plate 10, the connection pipe 6 allows noise to enter into a sound absorbing cotton 22 and a hollow layer 21 in the muffler pipe 1 through a communication hole 9, and the hollow layer 21 and the sound absorbing cotton 22 absorb and separate the noise, thereby further reducing the noise;

one end of the connecting pipe 6 is respectively connected with one end of the absorbing pipe 7, the connecting pipe 6 is communicated with the inside of the absorbing pipe 7, communication holes 9 which are distributed equidistantly are formed in the outer wall of one end of the connecting pipe 6, a partition plate 10 in the absorbing pipe 7 on the connecting pipe 6 is matched with the absorbing pipe 10 to further scatter noise, and a soundproof cotton 11 is matched to absorb and block the noise;

the exhaust assembly 5 comprises an exhaust pipe 16, a first conical net 17 arranged at one end of the inner wall of the exhaust pipe 16, a sound-absorbing sponge 18 sleeved on the outer wall of the first conical net 17 and a second conical net 19 sleeved on the outer wall of the sound-absorbing sponge 18, wherein the sound-absorbing sponge 18 clamped by the first conical net 17 and the second conical net 19 on the exhaust pipe 16 absorbs residual noise, so that the noise is greatly reduced;

the second conical net 19 is installed on the inner wall of the discharge pipe 16, an inlet hole 20 is formed in one end of the inner wall of the discharge pipe 16, and one end of the discharge pipe 16 is communicated with the center of one side of the absorption pipe 7.

Working principle: during the use, dismantle the dismantlement ring 24 at muffler pipe 1 both ends, install muffler pipe 1 in environmental protection equipment, the noise enters into muffler pipe 1 from the admission pipe 4 of muffler pipe 1 during the start-up, the sound wave first with the contact of second reflecting plate 15, the sound wave collides with the sound wave that gets into of second reflecting plate 15 reflection sound wave, the sound wave spreads to the one end of whole sound absorbing pipe 1, the sound wave is at the back of second reflecting plate 15 with the back of first reflecting plate 13 contact back reflection afterwards, in the one end sound wave through extension pipe 14 enters into connecting pipe 6, the sound wave passes through connecting pipe 6 in proper order and gets into inside the absorption pipe 7, enter into muffler pipe 1 inner wall through the intercommunicating pore 9 on the connecting pipe 6, vacuum layer 21 and sound absorbing cotton 22 absorb and separate the noise, the division board 10 of absorber pipe 7 inner wall cooperates the cotton 11 of giving out sound further absorption and separation, finally the noise that weakens enters into discharge pipe 16, the sound absorbing sponge 18 of first conical network 17 and second conical network 19 centre gripping absorbs last noise, be convenient for absorb and separate noise, be convenient for reduce noise, reduce influence to environment and personnel, improve muffler pipe 1's environmental protection efficiency, energy-conserving life.

While the exemplary embodiments of the present utility model have been described in detail with reference to the examples, those skilled in the art will appreciate that various modifications and adaptations to the specific examples described above can be made and that various combinations of the features and structures presented herein can be practiced without departing from the scope of the present utility model, which is defined by the appended claims. The foregoing description of specific exemplary embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (8)

1. The energy-saving environment-friendly muffler comprises a muffler pipe (1) and is characterized in that an inlet pipe (4) is connected to the center of one end of the muffler pipe (1), an exhaust assembly (5) is connected to the center of the other end of the muffler pipe (1), a resistive muffler assembly (2) is connected to one end of the exhaust assembly (5), and a resistive muffler assembly (3) is connected to one end of the resistive muffler assembly (2);

the resistive muffler assembly (2) comprises connecting pipes (6) distributed at equal intervals, absorbing pipes (7) welded on the outer wall of one end of each connecting pipe (6), a partition plate (10) arranged on the inner wall of each absorbing pipe (7), a baffle plate (8) welded on the center of the outer wall of each absorbing pipe (7), soundproof cotton (11) adhered on the outer walls of two sides of each partition plate (10) and through holes (12) formed in the top of the outer wall of each partition plate (10).

2. The energy-saving and environment-friendly muffler according to claim 1, wherein one end of the connecting pipe (6) is connected with one end of the absorbing pipe (7) respectively, the connecting pipe (6) is communicated with the inside of the absorbing pipe (7), and communication holes (9) distributed equidistantly are formed in the outer wall of one end of the connecting pipe (6).

3. An energy-saving and environment-friendly muffler as claimed in claim 1, wherein the resistive muffler assembly (3) comprises an extension pipe (14), a first reflecting plate (13) welded on an outer wall of one end of the extension pipe (14), a mounting frame welded on an outer wall of one end of the extension pipe (14), and a second reflecting plate (15) mounted on the other end of the extension frame, and reflecting surfaces of the first reflecting plate (13) and the second reflecting plate (15) face the inlet pipe (4).

4. An energy-saving and environment-friendly muffler according to claim 3, wherein one end of the extension pipe (14) is communicated with one end of the connecting pipe (6), and the first reflecting plate (13) and the baffle plate (8) are installed on the inner wall of the muffler pipe (1) in a sealing manner.

5. An energy-saving and environment-friendly muffler as claimed in claim 1, wherein the exhaust assembly (5) comprises an exhaust pipe (16), a first conical net (17) installed at one end of the inner wall of the exhaust pipe (16), a sound absorbing sponge (18) sleeved on the outer wall of the first conical net (17), and a second conical net (19) sleeved on the outer wall of the sound absorbing sponge (18).

6. The energy-saving and environment-friendly muffler according to claim 1, wherein a hollow layer (21) is arranged on one side of the first reflecting plate (13) on the inner wall of the muffler pipe (1), sound absorbing cotton (22) is fixed on the inner side outer wall of the muffler pipe (1) on the hollow layer (21), and equidistantly distributed absorption holes (23) are formed in the position, located on the sound absorbing cotton (22), of the inner wall of the muffler pipe (1).

7. The energy-saving and environment-friendly muffler as claimed in claim 5, wherein the second conical net (19) is installed on the inner wall of the exhaust pipe (16), one end of the inner wall of the exhaust pipe (16) is provided with an inlet hole (20), and one end of the exhaust pipe (16) is communicated with the center of one side of the absorption pipe (7).

8. An energy-saving and environment-friendly muffler as claimed in claim 1, wherein the outer walls of both ends of the muffler pipe (1) are provided with dismounting rings (24).