CN213775486U - Motorcycle silencer - Google Patents

Abstract

The utility model discloses a motorcycle silencer in the technical field of silencers, which comprises a silencing pipe body, a first expansion chamber device, a second expansion chamber device, a tail gas purification device and a tail gas discharge device, wherein the first expansion chamber device is fixedly connected on the left side of the inner cavity of the silencing pipe body, the second expansion chamber device is fixedly connected in the middle of the inner cavity of the silencing pipe body, the tail gas purification device is fixedly connected on the right side of the inner cavity of the silencing pipe body, the tail gas discharge device is inserted on the right side of the inner cavity of the silencing pipe body and is positioned on the right side of the tail gas purification device, the motorcycle silencer has reasonable structural design, ensures that the low-frequency silencing effect and the high-frequency silencing effect are good, can meet more requirements of the engine on work, ensures the engine to work, and discharges the waste gas released by the motorcycle into the air after purification, the environmental pollution is avoided.

Description

Motorcycle silencer

Technical Field

The utility model relates to a silencer technical field specifically is a motorcycle silencer.

Background

The muffler of the motorcycle is an indispensable part in the development history of the motorcycle, the development history of the muffler of the motorcycle is as long as that of the motorcycle, the muffler is a device for preventing sound from spreading and allowing airflow to pass through, and is an important measure for eliminating aerodynamic noise, the exhaust gas after the combustion of an engine is subjected to noise reduction, temperature reduction and spark elimination and then is discharged into the atmosphere, and the performance of the muffler not only affects the noise of the motorcycle, but also has great influence on the performance of the engine such as power, oil consumption, torque and the like.

1. The existing motorcycle silencer is poor in low-frequency silencing effect due to a resistance motorcycle silencer, and is poor in high-frequency silencing effect due to a resistance motorcycle silencer, but cannot meet more requirements for engine work, so that the work of an engine cannot be maximized.

2. The prior motorcycle silencer directly discharges exhaust gas released by a motorcycle into air without purifying basically, and causes the problem of environmental pollution, so that the motorcycle silencer is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motorcycle silencer to it is poor to have proposed low frequency noise cancelling effect or high frequency noise cancelling effect among the above-mentioned background art to solve, can't satisfy more demands of engine doing work, and the waste gas that the motorcycle released does not basically purify the problem of just directly discharging in the air.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motorcycle silencer, includes muffler pipe body, first expansion chamber device, second expansion chamber device, tail gas cleanup unit and exhaust emission device, first expansion chamber device fixed connection be in the inner chamber left side of muffler pipe body, second expansion chamber device fixed connection be in the middle of the inner chamber of muffler pipe body, exhaust purification unit fixed connection be in the inner chamber right side of muffler pipe body, exhaust emission device pegs graft the inner chamber right side of muffler pipe body, and be located exhaust purification unit's right side, first expansion chamber device with the inside wall of second expansion chamber device is opened there is the exhaust hole, just exhaust hole evenly distributed a week.

Preferably, the lateral wall top and the bottom left and right sides threaded connection of muffler pipe body have the connecting piece, the lateral wall downside joint of connecting piece has the strake, the strake cup joints the lateral wall left side and the right side of muffler pipe body, the connecting piece with the strake all adopts the component that a stainless steel made.

Preferably, the first expansion chamber device comprises a first reducer pipe, a first air inlet and a first air outlet, the first reducer pipe is fixedly connected to the left side of the inner cavity of the muffling pipe body, the first air inlet is arranged on the left side of the inner cavity of the first reducer pipe, and the first air outlet is arranged on the right side of the inner cavity of the first reducer pipe.

Preferably, the second expansion chamber device comprises a second reducer pipe, a second air inlet and a second air outlet, the second reducer pipe is fixedly connected to the middle of the inner cavity of the muffling pipe body, the left side of the inner cavity of the second reducer pipe is sleeved on the inner cavity of the first air outlet, the second air inlet is arranged on the left side of the inner cavity of the second reducer pipe, and the second air outlet is arranged on the right side of the inner cavity of the second reducer pipe.

Preferably, tail gas cleanup unit includes purifier breather pipe, third air inlet, three way catalyst converter carrier, liner and third gas outlet, purifier breather pipe fixed connection be in the inner chamber right side of muffler pipe body, just peg graft in the inner chamber of second gas outlet in the inner chamber left side of purifier breather pipe, the third air inlet is opened the inner chamber left side of purifier breather pipe, three way catalyst converter carrier fixed connection be in the middle of the inner chamber of purifier breather pipe, the liner cup joints in the middle of the lateral wall of three way catalyst converter carrier, the third air inlet is opened the inner chamber right side of purifier breather pipe.

Preferably, exhaust emission device includes exhaust pipe, fourth air inlet, bolt, exhaust emission mouth and discharging device shell, the inner chamber at the third gas outlet is cup jointed on the inner chamber left side of exhaust pipe, just peg graft in the inner chamber left side of exhaust pipe the inner chamber right side of muffler pipe body, the fourth air inlet is opened the inner chamber left side of exhaust pipe, bolt threaded connection is in the lateral wall bottom inboard of exhaust pipe, exhaust emission mouth is opened the inner chamber right side of exhaust pipe, discharging device shell cup joints the lateral wall of exhaust pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the motorcycle silencer carries out noise reduction treatment on gas entering the silencing pipe body through a first reducing pipe, a second reducing pipe and an exhaust hole which are arranged in the silencing pipe body, the gas discharged by the motorcycle reaches a first expansion chamber through a first air inlet, the exhaust hole and the first reducing pipe which are arranged in the first expansion chamber firstly carry out primary noise reduction on the gas and then enter a second expansion chamber through a first air outlet and a second air inlet, the exhaust hole and the second reducing pipe which are arranged in the second expansion chamber carry out secondary noise reduction, the first reducing pipe and the second reducing pipe which are arranged in the first expansion chamber and the second expansion chamber have relatively obvious silencing effect, acoustic impedance mutation in a channel is caused by sudden expansion or contraction of a cross section, sound waves of certain frequencies transmitted along the pipeline are reflected back to a sound source through the silencer, and the exhaust holes which are distributed in the first expansion chamber and the second expansion chamber, on the premise of keeping the same displacement, the exhaust holes move high-frequency sound to an ultrasonic range insensitive to human ears, so that the purpose of noise reduction is achieved, the low-frequency noise elimination effect is poor, the high-frequency noise elimination effect is good, more requirements of the engine on work can be met, and the engine on work is maximized.

2. This motorcycle silencer, through the tail gas cleanup unit of the installation on the inner chamber right side at the muffler pipe body, the gaseous pollutants after first expansion chamber and the noise reduction of second expansion chamber are handled, purify by tail gas cleanup unit again, gaseous pollutants gets into in the tail gas cleanup unit from the third air inlet, CO in the gaseous pollutants through three way catalyst converter carrier, harmful gas such as HC and NOx changes into harmless carbon dioxide, water and nitrogen gas through oxidation and reduction, three way catalyst converter carrier outer liner can be fixed and support three way catalyst converter carrier, make it not destroyed, also play simultaneously and seal and thermal-insulated effect, the gaseous emission after will purifying to the air through the third gas outlet that tail gas cleanup unit opened at last, environmental pollution has been avoided.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic left-side sectional view of the present invention.

In the figure: 100. a muffler pipe body; 110. a connecting member; 120. a hoop strip; 130. an exhaust hole; 200. a first expansion chamber means; 210. a first reducer pipe; 220. a first air inlet; 230. a first air outlet; 300. A second expansion chamber means; 310. a second reducer pipe; 320. a second air inlet; 330. a second air outlet; 400. an exhaust gas purification device; 410. a purification device vent pipe; 420. a third air inlet; 430. a three-way catalyst carrier; 440. a liner; 450. a third air outlet; 500. a tail gas discharge device; 510. an exhaust duct; 520. a fourth air inlet; 530. a bolt; 540. a tail gas discharge port; 550. a drain housing.

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.

The utility model provides a motorcycle silencer, make low frequency noise elimination effect and high frequency noise elimination effect all good, and can satisfy more demands that the engine did work, make the engine do work the maximize, the waste gas that the motorcycle released discharges in the air after purifying, has avoided the polluted environment, please refer to fig. 1-4, including muffler pipe body 100, first expansion chamber device 200, second expansion chamber device 300, tail gas cleanup unit 400 and tail gas discharging device 500;

referring to fig. 1-2 again, the inner side walls of the first expansion chamber device 200 and the second expansion chamber device 300 are provided with exhaust holes 130, the exhaust holes 130 are uniformly distributed for a circle, the muffler pipe body 100 is used for connecting the first expansion chamber device 200, the second expansion chamber device 300, the tail gas purification device 400 and the tail gas exhaust device 500, and the exhaust holes 130 are used for performing noise reduction treatment on the gas entering the inner cavity of the muffler pipe body 100;

referring to fig. 1 and 4 again, the first expansion chamber device 200 is fixedly connected to the left side of the inner cavity of the muffler pipe body 100, and the first expansion chamber device 200 is used for attenuating noise generated by gas entering the inner cavity of the muffler pipe body 100;

referring to fig. 1 again, the second expansion chamber device 300 is fixedly connected to the middle of the inner cavity of the muffler pipe body 100, and the second expansion chamber device 300 is used for further attenuating noise generated by the gas entering the inner cavity of the muffler pipe body 100;

referring to fig. 1-2 again, the tail gas purification device 400 is fixedly connected to the right side of the inner cavity of the muffler pipe body 100, and the tail gas purification device 400 is used for purifying the polluted gas entering the inner cavity of the muffler pipe body 100;

referring to fig. 1-3 again, the exhaust gas discharge device 500 is inserted into the right side of the inner cavity of the muffler pipe body 100 and located at the right side of the exhaust gas purification device 400, and the exhaust gas discharge device 500 discharges the purified gas in the inner cavity of the muffler pipe body 100.

Referring to fig. 1, 3 and 4 again, in order to make the muffler pipe body 100 more firm, firm and durable, the top and bottom left and right sides of the outer sidewall of the muffler pipe body 100 are threadedly connected with the connecting members 110, the lower side of the outer sidewall of the connecting members 110 is fastened with the hoop strips 120, the hoop strips 120 are sleeved on the left and right sides of the outer sidewall of the muffler pipe body 100, and the connecting members 110 and the hoop strips 120 are both made of stainless steel.

Referring to fig. 1 and 4 again, in order to reduce noise of the gas entering the inner cavity of the muffling pipe body 100, the first expansion chamber device 200 includes a first reducing pipe 210, a first gas inlet 220 and a first gas outlet 230, the first reducing pipe 210 is fixedly connected to the left side of the inner cavity of the muffling pipe body 100, the first gas inlet 220 is opened on the left side of the inner cavity of the first reducing pipe 210, and the first gas outlet 230 is opened on the right side of the inner cavity of the first reducing pipe 210.

Referring to fig. 1 again, in order to further reduce noise of the gas entering the inner cavity of the muffling tube body 100, the second expansion chamber device 300 includes a second reducing pipe 310, a second gas inlet 320 and a second gas outlet 330, the second reducing pipe 310 is fixedly connected to the middle of the inner cavity of the muffling tube body 100, the left side of the inner cavity of the second reducing pipe 310 is sleeved on the inner cavity of the first gas outlet 230, the second gas inlet 320 is opened on the left side of the inner cavity of the second reducing pipe 310, and the second gas outlet 330 is opened on the right side of the inner cavity of the second reducing pipe 310.

Referring to fig. 1-2 again, in order to purify the gas entering the inner cavity of the muffler body 100, the exhaust gas purifying device 400 includes a purifying device vent pipe 410, a third air inlet 420, a three-way catalyst carrier 430, a gasket 440 and a third air outlet 450, the purifying device vent pipe 410 is fixedly connected to the right side of the inner cavity of the muffler body 100, the left side of the inner cavity of the purifying device vent pipe 410 is inserted into the inner cavity of the second air outlet 330, the third air inlet 420 is opened at the left side of the inner cavity of the purifying device vent pipe 410, the three-way catalyst carrier 430 is fixedly connected to the middle of the inner cavity of the purifying device vent pipe 410, the gasket 440 is sleeved on the middle of the outer side wall of the three-way catalyst carrier 430, and the third air inlet 420 is opened at the right side of the inner cavity of the purifying device vent pipe 410.

Referring to fig. 1-3 again, in order to exhaust the purified gas in the inner cavity of the muffler pipe body 100, the exhaust gas discharging device 500 includes an exhaust pipe 510, a fourth air inlet 520, a bolt 530, an exhaust gas discharging port 540, and a discharging device housing 550, the left side of the inner cavity of the exhaust pipe 510 is sleeved on the inner cavity of the third air outlet 450, the left side of the inner cavity of the exhaust pipe 510 is inserted on the right side of the inner cavity of the muffler pipe body 100, the fourth air inlet 520 is opened on the left side of the inner cavity of the exhaust pipe 510, the bolt 530 is screwed on the inner side of the bottom of the outer sidewall of the exhaust pipe 510, the exhaust gas discharging port 540 is opened on the right side of the inner cavity of the exhaust pipe 510, and the discharging device housing 550 is sleeved on the outer sidewall of the exhaust pipe 510.

When the muffler pipe body 100 is used, the muffler pipe body 100 is manually installed on an exhaust pipe of a motorcycle, when the motorcycle runs, exhaust gas exhausted by the motorcycle enters the first reducer pipe 210 through the first air inlet 220 of the first expansion chamber device 200, noise is primarily attenuated through the first reducer pipe 210 and the exhaust hole 130 in the first expansion chamber device 200, the attenuated noise leaves the first expansion chamber device 200 through the first air outlet 230, and then enters the second reducer pipe 320 through the second air inlet 310 in the second expansion chamber device 300, the noise is processed again through the first reducer pipe 210 and the exhaust hole 130 in the second expansion chamber device 300, the noise emitted by the motorcycle is subjected to sound and noise reduction, the noise-reduced exhaust gas leaves the second expansion chamber device 300 through the second air outlet 330, and then enters the purifying device vent pipe 410 in the exhaust gas purifying device 400 through the third air inlet 420, the harmful gas is purified into harmless gas by the filtration of the three-way catalyst carrier 430 in the purification device breather pipe 410, then the harmless gas enters the tail gas emission device 500 from the tail gas purification device 400 through the third gas outlet 450 and the fourth gas inlet 520, passes through the exhaust pipe 510, and finally is discharged out of the body of the muffler pipe body 100 through the tail gas discharge port 540, namely, the effects of reducing noise and purifying the tail gas in the driving process of the motorcycle are achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A motorcycle muffler is characterized in that: including muffler pipe body (100), first expansion chamber device (200), second expansion chamber device (300), tail gas cleanup unit (400) and exhaust emission device (500), first expansion chamber device (200) fixed connection be in the inner chamber left side of muffler pipe body (100), second expansion chamber device (300) fixed connection be in the middle of the inner chamber of muffler pipe body (100), tail gas cleanup unit (400) fixed connection be in the inner chamber right side of muffler pipe body (100), exhaust emission device (500) are pegged graft the inner chamber right side of muffler pipe body (100), and are located the right side of tail gas cleanup unit (400), the inside wall of first expansion chamber device (200) with second expansion chamber device (300) is opened there is exhaust hole (130), just exhaust hole (130) evenly distributed a week.

2. A motorcycle muffler as claimed in claim 1, wherein: the utility model discloses a muffler pipe, including muffler pipe body (100), connecting piece (110) are connected to the lateral wall top and the bottom left and right sides threaded connection of muffler pipe body (100), the lateral wall downside joint of connecting piece (110) has strake (120), strake (120) cup joint the lateral wall left side and the right side of muffler pipe body (100), connecting piece (110) with strake (120) all adopt the component that a stainless steel material made.

3. A motorcycle muffler as claimed in claim 1, wherein: the first expansion chamber device (200) comprises a first reducer pipe (210), a first air inlet (220) and a first air outlet (230), wherein the first reducer pipe (210) is fixedly connected to the left side of the inner cavity of the silencing pipe body (100), the first air inlet (220) is formed in the left side of the inner cavity of the first reducer pipe (210), and the first air outlet (230) is formed in the right side of the inner cavity of the first reducer pipe (210).

4. A motorcycle muffler as claimed in claim 1, wherein: the second expansion chamber device (300) comprises a second reducer pipe (310), a second air inlet (320) and a second air outlet (330), the second reducer pipe (310) is fixedly connected to the middle of the inner cavity of the silencing pipe body (100), the left side of the inner cavity of the second reducer pipe (310) is sleeved on the inner cavity of the first air outlet (230), the second air inlet (320) is arranged on the left side of the inner cavity of the second reducer pipe (310), and the second air outlet (330) is arranged on the right side of the inner cavity of the second reducer pipe (310).

5. A motorcycle muffler as claimed in claim 1, wherein: tail gas cleanup unit (400) includes purifier breather pipe (410), third air inlet (420), three way catalyst converter carrier (430), liner (440) and third gas outlet (450), purifier breather pipe (410) fixed connection be in the inner chamber right side of muffler pipe body (100), just peg graft in the inner chamber of second gas outlet (330) on the left of the inner chamber of purifier breather pipe (410), third air inlet (420) are opened the inner chamber left side of purifier breather pipe (410), three way catalyst converter carrier (430) fixed connection be in the middle of the inner chamber of purifier breather pipe (410), liner (440) cup joint in the middle of the lateral wall of three way catalyst converter carrier (430), third air inlet (420) are opened the inner chamber right side of purifier breather pipe (410).

6. A motorcycle muffler as claimed in claim 1, wherein: exhaust emission device (500) includes exhaust pipe (510), fourth air inlet (520), bolt (530), exhaust emission mouth (540) and exhaust device shell (550), the inner chamber of third gas outlet (450) is cup jointed on the left of the inner chamber of exhaust pipe (510), just the inner chamber left side of exhaust pipe (510) is pegged graft the inner chamber right side of muffler pipe body (100), fourth air inlet (520) are opened the inner chamber left side of exhaust pipe (510), bolt (530) threaded connection be in the lateral wall bottom inboard of exhaust pipe (510), exhaust emission mouth (540) are opened the inner chamber right side of exhaust pipe (510), exhaust device shell (550) cup joints the lateral wall of exhaust pipe (510).

Images