CN223018709U - Automobile muffler with energy-saving and emission-reducing effects - Google Patents

Abstract

The utility model discloses an automobile muffler with energy-saving and emission-reduction effects, comprising a muffler cylinder, an air inlet is installed at the left end of the muffler cylinder, an exhaust port is installed at the right end of the muffler cylinder, a filter device is installed in the exhaust port, a heat-conducting copper layer is installed on the outer surface of the muffler cylinder, and a muffler device is installed in the muffler cylinder. The automobile muffler with energy-saving and emission-reduction effects described in the utility model has good sound absorption and sound insulation performance through the mineral wool layer, and can perform preliminary muffler treatment on the exhaust gas. After the exhaust gas passes through the mineral wool layer, the exhaust gas enters between the first mounting plate and the second mounting plate through two No. 2 pipes, and is finally discharged through the No. 1 pipe. Small through holes are provided on the No. 1 pipe and the No. 2 pipe, and these through holes can disperse the noise, thereby further processing and muffle the noise, thereby improving the muffler effect of the device.

Description

Automobile muffler with energy saving and emission reduction effects

Technical Field

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

Background

After the engine of the automobile performs work, the exhaust stroke is followed, namely, the exhaust gas in the cylinder is exhausted, and because the exhaust gas is at high temperature and high pressure, if an exhaust pipe is directly exhausted, larger noise can be generated, so that noise pollution is caused. Therefore, in order to eliminate a large sound generated when the engine discharges the high-temperature and high-pressure gas after combustion, it is necessary to provide a muffler at the exhaust pipe of the automobile to perform the muffling treatment.

The existing muffler can be divided into a resistive muffler and a resistive muffler, the resistive muffler achieves the purpose of silencing by filling sound absorption materials in an exhaust pipeline to absorb sound energy, and the resistive muffler rapidly increases or reduces the sectional area of the pipeline in a certain length part in the muffler, so that the sound wave generates reflection and destructive interference when propagating, and the purpose of silencing is achieved. However, the two kinds of mufflers are still relatively general in effect, so that it is important to combine the two kinds of muffling modes to improve the muffling effect of the mufflers.

Disclosure of utility model

The utility model mainly aims to provide the automobile muffler with the energy-saving and emission-reducing effects, and the general problem of the muffler in the noise elimination effect can be effectively solved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an automobile muffler with energy saving and emission reduction efficiency, includes the amortization barrel, the air inlet is installed to amortization barrel left end, the gas vent is installed to amortization barrel right-hand member, install filter equipment in the gas vent, install the heat conduction copper layer on the amortization barrel surface, install silencing device in the amortization barrel.

Preferably, the silencer comprises a first mounting plate, a second mounting plate and a mineral wool layer, a first pipe is installed in the middle of the right end of the first mounting plate in a penetrating mode, a second pipe is installed in the upper portion of the right end of the second mounting plate in a penetrating mode and in the lower portion of the right end of the second mounting plate in a penetrating mode, a plurality of through holes are formed in the left portion of the outer surface of the first pipe and the right portion of the outer surface of the second pipe, the first mounting plate is installed on the right inner wall of the silencing cylinder, the second mounting plate is installed between the upper inner wall and the lower inner wall of the silencing cylinder, and the mineral wool layer is installed on the left inner wall of the silencing cylinder. The novel muffler has the advantages that the novel muffler has good sound absorption performance and sound insulation performance through the mineral wool layer, and further can carry out primary noise elimination treatment on waste gas, after the waste gas passes through the mineral wool layer, the waste gas enters between the first mounting plate and the second mounting plate through the second pipe, finally is discharged through the first pipe, and fine through holes are formed in the first pipe and the second pipe, and can disperse noise, so that the noise is further treated, eliminated, and the noise elimination effect of the novel muffler is improved.

Preferably, the filter device comprises a mounting frame, a filter screen is mounted in the mounting frame, fixing screws are mounted at the upper end and the lower end of the mounting frame, and the mounting frame is mounted in the exhaust port through the two fixing screws. When exhaust gas discharges, can further carry out filtration to the granule impurity in the waste gas through the filter screen on the mounting bracket, improve the purifying effect and the emission quality of device.

Preferably, screw holes are formed in the upper end and the lower end of the exhaust port.

Preferably, the first pipe is located between the two second pipes, and a gap exists between the first pipe and the second mounting plate.

Preferably, the fixing screw is consistent with the screw hole in size and corresponds to the screw hole in position up and down.

Compared with the prior art, the utility model has the following beneficial effects:

1. When the automobile is led in the silencing cylinder body with waste gas by the air inlet, firstly, through the design of the mineral wool layer on the silencing device, the silencer is a common silencer sound absorbing material, and the silencer sound absorbing device has the characteristics of being difficult to burn, corrosion resistant and the like, also has good sound absorbing performance and sound insulation performance, can absorb noise and enable the noise to be converted into heat energy, so that preliminary silencing treatment can be carried out on the waste gas, after the waste gas passes through the mineral wool layer, the waste gas enters between the first mounting plate and the second mounting plate through the second pipe, finally, is discharged through the first pipe, and is provided with tiny through holes on the first pipe and the second pipe, and the through holes can disperse the noise, so that the noise is further treated, the noise is damped, and the silencing effect of the silencer is improved.

2. The installation frame on the filter device is fixed in the exhaust port by two fixing screws, and when exhaust gas is discharged, the filter screen on the installation frame can further filter the particulate impurities in the exhaust gas, so that the purification effect and the emission quality of the device are improved.

3. Through the design of heat conduction copper layer on the amortization barrel surface, after mineral wool layer noise absorption and make it convert into heat energy, can carry out heat conduction fast through heat conduction copper layer, improved the radiating efficiency of device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automobile muffler with energy saving and emission reduction effects;

FIG. 2 is a schematic diagram of the overall structure of a muffler device of an automobile muffler with energy saving and emission reduction effects;

FIG. 3 is a schematic diagram showing the overall structure of a filtering device of an automobile muffler with energy saving and emission reduction effects;

Fig. 4 is a schematic diagram of the overall structure of an exhaust port of an automobile muffler with energy saving and emission reduction effects.

The device comprises a silencing cylinder body 1, a silencing device 2, a filtering device 3, a filtering device 4, an air inlet, a 5, an air outlet, a 6, a heat conducting copper layer 20, a first mounting plate 21, a second mounting plate 22, a mineral wool layer 23, a first pipe 24, a second pipe 25, a through hole 30, a mounting frame 31, a filtering screen 32, a fixing screw 40 and a screw hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, the automobile muffler with the energy saving and emission reduction effects comprises a silencing barrel body 1, wherein an air inlet 4 is arranged at the left end of the silencing barrel body 1, an air outlet 5 is arranged at the right end of the silencing barrel body 1, a filtering device 3 is arranged in the air outlet 5, a heat conducting copper layer 6 is arranged on the outer surface of the silencing barrel body 1, and a silencing device 2 is arranged in the silencing barrel body 1.

The silencing device 2 comprises a first mounting plate 20, a second mounting plate 21 and a mineral wool layer 22, wherein a first pipe 23 is installed in the middle of the right end of the first mounting plate 20 in a penetrating mode, a second pipe 24 is installed in the upper portion of the right end of the second mounting plate 21 in a penetrating mode and a plurality of through holes 25 are formed in the left portion of the outer surface of the first pipe 23 and the right portion of the outer surface of the two second pipes 24, the first mounting plate 20 is installed on the right inner wall of the silencing cylinder 1, the second mounting plate 21 is installed between the upper inner wall and the lower inner wall of the silencing cylinder 1, the mineral wool layer 22 is installed on the left inner wall of the silencing cylinder 1, the first pipe 23 is located between the two second pipes 24, and gaps exist between the first pipe 23 and the second mounting plate 21. The novel muffler has the advantages that the novel muffler has good sound absorption performance and sound insulation performance through the mineral wool layer 22, and further can carry out primary noise elimination treatment on waste gas, after the waste gas passes through the mineral wool layer 22, the waste gas enters between the first mounting plate 20 and the second mounting plate 21 through the second pipe 24, finally is discharged through the first pipe 23, and fine through holes 25 are formed in the first pipe 23 and the second pipe 24, and the through holes 25 can disperse noise, so that the noise is further treated and eliminated, and the noise elimination effect of the novel muffler is improved.

The filtering device 3 comprises a mounting frame 30, a filter screen 31 is mounted in the mounting frame 30, fixing screws 32 are mounted at the upper end and the lower end of the mounting frame 30, and the mounting frame 30 is mounted in the exhaust port 5 through the two fixing screws 32. When exhaust gas discharges, can further carry out filtration treatment to the granule impurity in the exhaust gas through the filter screen 31 on the mounting bracket 30, improve the purifying effect and the emission quality of device.

Screw holes 40 are formed in the upper end and the lower end of the exhaust port 5, and the fixing screws 32 and the screw holes 40 are identical in size and correspond to each other in position up and down.

It should be noted that, the utility model is an automobile muffler with energy-saving and emission-reducing effects, when the automobile introduces the exhaust gas into the muffler cylinder 1 through the air inlet 4, firstly, through the design of the mineral wool layer 22 on the muffler device 2, it is a common muffler sound absorbing material, not only having the characteristics of fire resistance, corrosion resistance and the like, but also having good sound absorbing performance and sound insulation performance, can absorb noise and convert it into heat energy, thereby being capable of carrying out preliminary noise elimination treatment on the exhaust gas, and the design of the heat conducting copper layer 6 on the outer surface of the muffler cylinder 1, after the mineral wool layer 22 absorbs noise and converts it into heat energy, the heat conducting copper layer 6 can be used for fast conducting heat, the heat dissipation efficiency of the device is improved, then, after the exhaust gas passes through the mineral wool layer 22, the exhaust gas enters between the first mounting plate 20 and the second mounting plate 21 through the second pipe 24, finally, the noise can be dispersed through the first pipe 23 and the second pipe 24, thereby being provided with fine through holes 25, the noise can be further treated, noise elimination and noise elimination can be carried out, and finally, the exhaust gas can be discharged through the filter screen 30, and the quality can be further improved, and the effect of purifying the exhaust gas can be further, and the quality can be improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. An automobile muffler with energy saving and emission reduction effects comprises a muffler cylinder body (1) and is characterized in that an air inlet (4) is arranged at the left end of the muffler cylinder body (1), an air outlet (5) is arranged at the right end of the muffler cylinder body (1), a filtering device (3) is arranged in the air outlet (5), a heat conducting copper layer (6) is arranged on the outer surface of the muffler cylinder body (1), a muffler device (2) is arranged in the muffler cylinder body (1), the muffler device (2) comprises a first mounting plate (20), a second mounting plate (21) and a mineral wool layer (22), a first pipe (23) is arranged in the middle of the right end of the first mounting plate (20), a second pipe (24) is arranged at the upper part of the right end of the second mounting plate (21) in a penetrating way, a plurality of through holes (25) are respectively formed in the left part of the outer surface of the first pipe (23) and the right part of the outer surface of the second pipe (24), the first pipe (20) is arranged on the right inner wall of the muffler cylinder body (1), the second mounting plate (21) is arranged on the inner wall of the second mounting plate (1), a filter screen (30) is arranged on the inner wall (31) between the first mounting plate and the second mounting plate (1) and the second mounting plate (30), the air exhaust device is characterized in that fixing screws (32) are arranged at the upper end and the lower end of the mounting frame (30), the mounting frame (30) is arranged in the air exhaust port (5) through the two fixing screws (32), and screw holes (40) are formed in the upper end and the lower end of the air exhaust port (5).

2. The automobile muffler with energy saving and emission reduction effects according to claim 1, wherein the first pipe (23) is located between the two second pipes (24), and a gap exists between the first pipe (23) and the second mounting plate (21).

3. The muffler for an automobile with energy saving and emission reduction effects according to claim 1, wherein the fixing screw (32) and the screw hole (40) are identical in size and correspond to each other in position.