CN219045429U

CN219045429U - Automobile muffler with energy saving and emission reduction effects

Info

Publication number: CN219045429U
Application number: CN202320062570.8U
Authority: CN
Inventors: 陈彩朝; 孙强; 李兴亮
Original assignee: Jinan Xinaote Auto Parts Co ltd
Current assignee: Jinan Xinaote Auto Parts Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-19
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of silencers and discloses an automobile silencer with energy saving and emission reduction effects, which comprises a shell, wherein the front end of the shell is fixedly connected with an air inlet pipe, the back end of the air inlet pipe body is provided with a three-way catalyst, the inner side of the shell is provided with a sound absorption layer, the inner side of the sound absorption layer is provided with a sound absorption cylinder, the middle part of the inner wall of the sound absorption cylinder is fixedly connected with a plurality of baffles, the back end of the inner wall of the sound absorption cylinder is respectively fixedly connected with a filter screen and an activated carbon plate, and the back end of the inner wall of the sound absorption cylinder is fixedly connected with an air permeable plate.

Description

Automobile muffler with energy saving and emission reduction effects

Technical Field

The utility model relates to the technical field of mufflers, in particular to an automobile muffler with energy saving and emission reduction effects.

Background

The muffler is an important part of an automobile, is used as a part of an exhaust pipeline, can reduce the exhaust noise of an engine, can safely and effectively exhaust high-temperature exhaust gas, and is more and more noisy along with the continuous development of the automobile industry in China and the continuous improvement of the engine performance, so that the research of the automobile muffler becomes the key point of the enterprise research;

according to Chinese patent application number (CN 201921881649.3), an automobile muffler is disclosed, which comprises a shell, wherein a lower baffle plate and an upper baffle plate are fixedly connected inside the shell, an air inlet pipe is fixedly connected to the bottom of the shell, the upper end of the air inlet pipe sequentially penetrates through the shell, the lower baffle plate and the upper baffle plate and extends to the upper part of the upper baffle plate, and an exhaust pipe is fixedly connected to the top of the shell;

according to the automobile muffler, the spring is connected to the bottom surface of the lower baffle and the top surface of the upper baffle, the other end of the spring is fixedly connected with the scraping ring, the scraping ring is driven to lift the spring and slide upwards by utilizing the air pressure blown by the pressure-bearing air inlet pipe of the air bearing plate arranged on the inner side of the scraping ring, carbon-containing ashes accumulated in the shell are scraped in the sliding process, the scraped carbon-containing ashes are blown to the communicating pipe through high-speed air pressure and finally discharged through the exhaust pipe, the inside of the shell is smooth and clean, the reduction of the silencing effect of the muffler is avoided, but the application technology does not have the effect of energy conservation and emission reduction on the tail gas discharged by an automobile, a large amount of particles contained in the automobile tail gas are inhaled by a human body, the health of the body is influenced, and the environment is polluted, so that the automobile muffler with the effects of energy conservation and emission reduction is provided by the person in the field is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the automobile muffler with the energy-saving and emission-reducing effects, so that the problems that a large amount of particles contained in automobile tail gas in the background art are inhaled by a human body, influence on the health of the human body and pollute the environment are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automobile muffler with energy saving and emission reduction efficiency, includes the shell, the front end fixedly connected with intake pipe of shell, the back end of leaning on of intake pipe shaft is provided with three way catalyst converter, the inboard of shell is provided with the sound absorbing layer, the inboard of sound absorbing layer is provided with and inhales a sound section of thick bamboo, the middle part fixedly connected with of inhaling a sound section of thick bamboo inner wall a plurality of baffles, the back end of inhaling a sound section of thick bamboo inner wall is fixedly connected with filter screen and activated carbon sheet respectively, the rear end fixedly connected with ventilation plate of inhaling a sound section of thick bamboo inner wall.

Through adopting above-mentioned technical scheme, be provided with through three way catalyst converter and can be to harmful substance in the automobile exhaust purification for harmless carbon dioxide, water and nitrogen gas, the impurity that can further adsorb tail gas through the setting of active carbon plate, the granule that contains in the tail gas and the dust of active carbon itself can be filtered to the rethread filter screen, the setting of this structure can fully purify exhaust automobile exhaust, prevent that it from being inhaled by the human body and causing harm to healthy after the discharge to and cause the pollution to the environment, thereby play energy saving and emission reduction's effect.

Further, a plurality of through holes are formed in the sound absorbing cylinder.

By adopting the technical scheme, noise is absorbed by the sound absorbing cotton through the through holes.

Further, the rear end of the air inlet pipe penetrates through the shell and is fixedly connected with a first connecting port.

By adopting the technical scheme, the air inlet pipe is convenient to be externally connected with a tail gas pipeline.

Further, a plurality of ventilation holes are formed in the rear end of the air inlet pipe body.

By adopting the technical scheme, the ventilation holes are used for facilitating the ventilation of tail gas.

Further, the plate body of the ventilation plate is fixedly connected with two exhaust pipes.

By adopting the technical scheme, the installation position of the exhaust pipe is determined.

Further, the rear ends of the exhaust pipes penetrate through the shell and are fixedly connected with a second connecting port.

By adopting the technical scheme, the exhaust pipe is convenient to be externally connected with a tail gas pipeline.

Further, the sound absorbing layer is made of sound absorbing cotton.

By adopting the technical scheme, the sound-absorbing cotton has good effects of absorbing sound, reducing noise, preventing moisture and mould and the like.

The utility model provides an automobile muffler with energy saving and emission reduction effects, which has the following beneficial effects:

1. this automobile muffler with energy saving and emission reduction efficiency is provided with through three way catalyst converter can be to harmful substance in the automobile exhaust purification for harmless carbon dioxide, water and nitrogen gas, can further adsorb the impurity of tail gas through the setting of active carbon plate, and the granule that contains in the tail gas and the dust of active carbon itself can be filtered to the rethread filter screen, and this structure is provided with can fully purify exhaust automobile exhaust, is prevented that it from being inhaled by the human body and causing harm to healthy after the discharge to and cause the pollution to the environment, thereby plays energy saving and emission reduction's effect.

2. This car silencer with energy saving and emission reduction efficiency can play the effect of retarding to the flow of tail gas through the setting of a plurality of baffles, makes its inside dwell time extension at inhaling sound section of thick bamboo to the noise when being convenient for inhale the sound layer and fully adsorb the tail gas emission makes the noise reduction effect of this silencer better.

Drawings

FIG. 1 is an isometric view of an automobile muffler with energy conservation and emission reduction effects;

FIG. 2 is a side sectional view of an automobile muffler with energy conservation and emission reduction effects;

FIG. 3 is a side view of an automobile muffler with energy conservation and emission reduction effects according to the present utility model;

fig. 4 is a front sectional view of the ventilation plate of the automobile muffler with the energy saving and emission reduction effects.

Legend description:

1. a housing; 2. a sound absorbing layer; 3. a sound absorbing cylinder; 4. an air inlet pipe; 5. a ventilation plate; 6. a second connection port; 7. a first connection port; 8. ventilation holes; 9. a baffle; 10. an activated carbon plate; 11. a filter screen; 12. a through hole; 13. an exhaust pipe; 14. a three-way catalyst.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an automobile muffler with energy saving and emission reduction efficiency, including shell 1, the front end fixedly connected with intake pipe 4 of shell 1, the back end of the back of intake pipe 4 pipe shaft is provided with three way catalyst converter 14, and the inboard of shell 1 is provided with sound absorbing layer 2, and the inboard of sound absorbing layer 2 is provided with and inhales sound section of thick bamboo 3, and the middle part fixedly connected with of sound absorbing section of thick bamboo 3 inner wall is a plurality of baffles 9, and the back end of inhaling sound section of thick bamboo 3 inner wall is fixedly connected with filter screen 11 and activated carbon sheet 10 respectively, and the rear end fixedly connected with ventilation plate 5 of sound absorbing section of thick bamboo 3 inner wall.

Through the three way catalyst 14 can be to harmful substance purification in the automobile exhaust for harmless carbon dioxide, water and nitrogen gas, through the setting of activated carbon plate 10 can further adsorb the impurity of tail gas, the granule that contains in the rethread filter screen 11 can filter the dust of tail gas and active carbon itself, this structure be provided with can fully purify exhaust automobile exhaust, prevent that it from being inhaled by the human body and causing harm to healthy after the discharge to and cause the pollution to the environment, thereby play energy saving and emission reduction's effect.

The inside of inhaling sound section of thick bamboo 3 has been seted up a plurality of through-holes 12, make the noise pass through-hole 12 and be absorbed by sound absorbing layer 2, the rear end of intake pipe 4 runs through shell 1 and fixedly connected with first connecting port 7, be convenient for intake pipe 4 external tail gas pipeline, a plurality of bleeder vents 8 have been seted up to the rear end of intake pipe 4 pipe shaft, the circulation of tail gas is convenient for through bleeder vent 8, two blast pipes 13 of board body fixedly connected with of air-permeable panel 5, confirm the mounted position of blast pipe 13, the rear end of blast pipe 13 all runs through shell 1 and fixedly connected with second connecting port 6, the external tail gas pipeline of blast pipe 13 of being convenient for, the material of sound absorbing layer 2 is inhaled the sound cotton, inhale the sound cotton has good sound of making an uproar, dampproofing mould proof etc. effect of falling.

Working principle: when the exhaust gas purifying device is used, the first connecting port 7 and the second connecting port 6 are respectively connected with a pipeline for automobile exhaust gas emission, after exhaust gas enters the shell 1 from the first connecting port 7, firstly harmful substances in the automobile exhaust gas can be purified into harmless carbon dioxide, water and nitrogen through the three-way catalyst 14 by the three-way catalyst 14, then the flowing of the exhaust gas is retarded by the baffle 9, so that the internal residence time of the exhaust gas inside the sound absorbing cylinder 3 is prolonged, the sound absorbing layer 2 is convenient to fully absorb noise during the exhaust gas emission, then the exhaust gas is further filtered and purified by the active carbon plate 10 and the filter screen 11 respectively, and the exhaust gas is discharged from the exhaust pipe 13 through the ventilation plate 5.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Automobile muffler with energy saving and emission reduction effects, including shell (1), its characterized in that: the novel sound absorption device is characterized in that the front end of the shell (1) is fixedly connected with the air inlet pipe (4), the rear end of the pipe body of the air inlet pipe (4) is provided with the three-way catalyst (14), the sound absorption layer (2) is arranged on the inner side of the shell (1), the sound absorption cylinder (3) is arranged on the inner side of the sound absorption layer (2), the plurality of baffles (9) are fixedly connected to the middle part of the inner wall of the sound absorption cylinder (3), the filter screen (11) and the activated carbon plate (10) are fixedly connected to the rear end of the inner wall of the sound absorption cylinder (3) respectively, and the air permeable plate (5) is fixedly connected to the rear end of the inner wall of the sound absorption cylinder (3).

2. The automobile muffler with energy saving and emission reduction effects according to claim 1, characterized in that: a plurality of through holes (12) are formed in the sound absorption cylinder (3).

3. The automobile muffler with energy saving and emission reduction effects according to claim 1, characterized in that: the rear end of the air inlet pipe (4) penetrates through the shell (1) and is fixedly connected with a first connecting port (7).

4. The automobile muffler with energy saving and emission reduction effects according to claim 1, characterized in that: the rear end of the air inlet pipe (4) pipe body is provided with a plurality of air holes (8).

5. The automobile muffler with energy saving and emission reduction effects according to claim 1, characterized in that: the plate body of the ventilation plate (5) is fixedly connected with two exhaust pipes (13).

6. The automobile muffler with energy saving and emission reduction effects according to claim 5, wherein: the rear ends of the exhaust pipes (13) penetrate through the shell (1) and are fixedly connected with a second connecting port (6).

7. The automobile muffler with energy saving and emission reduction effects according to claim 1, characterized in that: the sound absorbing layer (2) is made of sound absorbing cotton.