CN219012727U

CN219012727U - Motorcycle muffler

Info

Publication number: CN219012727U
Application number: CN202320128076.7U
Authority: CN
Inventors: 傅文涛; 汪梓林; 程振远
Original assignee: Yongkang Shihang Precision Machinery Co ltd
Current assignee: Yongkang Shihang Precision Machinery Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-12
Anticipated expiration: 2033-01-12

Abstract

The utility model belongs to the technical field of motorcycles, in particular to a motorcycle muffler, which comprises a shell, wherein an air inlet pipe and an air outlet are respectively arranged at two ends of the shell, a filter screen is arranged on the air inlet pipe, a silencing sleeve is also arranged in the shell, a plurality of silencing holes are formed in the silencing sleeve, a first silencing cavity is formed between the air inlet pipe and the silencing sleeve, the shell comprises a shell and an inner wall, a second silencing cavity is formed between the shell and the inner wall, soundproof cotton is arranged in the second silencing cavity, a plurality of soundproof holes are formed in the inner wall, tail gas and noise enter the first silencing cavity from the air inlet pipe, the first silencing cavity counteracts a part of sound waves, the rest of sound waves scatter and flow into the second silencing cavity, the sound waves are scattered and flow into the second silencing cavity through friction of a soundproof cotton layer, the sound waves are scattered and interfered continuously, a part of sound waves are discharged through the air outlet, the silencing effect is better, the silencing performance is better, and noise pollution caused by the motorcycle can be reduced.

Description

Motorcycle muffler

Technical Field

The utility model belongs to the technical field of motorcycles, and particularly relates to a motorcycle muffler.

Background

A motorcycle muffler is a device that allows airflow to pass through while attenuating noise; the silencer refers to an air flow pipeline with noise transmission, and noise in the pipeline can be attenuated or reflected by using noise reduction devices such as a pipeline with a sound absorption lining and an elbow or a pipeline with suddenly changed sectional area and discontinuous acoustic impedance, so that the performance of the silencer not only influences the noise of a motorcycle, but also has larger influence on the performances such as power, oil consumption and torque of an engine; the existing silencer with sound insulation function for the motorcycle is complex in structure, the silencing structure of the motorcycle in the prior art only depends on one cavity, and the silencing inner core with a single structure cannot completely absorb and eliminate the noise of the motorcycle, so that the problem of poor silencing capability exists.

Disclosure of Invention

The utility model aims to provide a motorcycle muffler which has a simple structure and solves the problems that a single-structure muffler inner core can not completely absorb and eliminate the noise of a motorcycle and the muffler capacity is poor.

The purpose of the utility model is realized in the following way:

the utility model provides a motorcycle silencer, its characterized in that, includes the casing, the both ends of casing are equipped with intake pipe and gas outlet respectively, be equipped with the filter screen in the intake pipe, still be equipped with the noise elimination sleeve pipe in the casing, set up a plurality of sound elimination holes on the noise elimination sleeve pipe, the intake pipe is formed with first amortization chamber with the noise elimination sleeve pipe, the casing includes shell and inner wall, is formed with the second amortization chamber between shell and the inner wall, is equipped with the soundproof cotton in the second amortization chamber, a plurality of sound insulation holes have been seted up on the inner wall, in the intake pipe gets into the casing when tail gas, first amortization chamber and second amortization chamber carry out the amortization to the produced noise of tail gas, again by the gas outlet discharge.

Further, an air outlet pipe is arranged in the air outlet, the air outlet pipe is positioned in the air outlet, and the other end of the air outlet pipe is connected with the silencing sleeve.

Further, a fixing sleeve for fixing the silencing sleeve is arranged in the air outlet pipe, the fixing sleeve is located at the front end of the air outlet pipe and connected with the silencing sleeve, and the fixing sleeve ring is arranged on the silencing sleeve.

Further, the one end of the silencing sleeve is provided with a baffle, the silencing hole is formed in the periphery of the baffle and is arranged on the silencing sleeve in a surrounding mode, tail gas is used for silencing noise generated by the tail gas through the first silencing cavity and the second silencing cavity, the tail gas passes through the silencing hole to enter the silencing sleeve, and finally the tail gas is discharged from the air outlet through the air outlet pipe.

Further, one end of the shell is a flaring end, the other end of the shell is a bevel end, the air inlet is arranged at the flaring end, and the air outlet is arranged at the bevel end.

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

the utility model aims to provide a motorcycle muffler which has a simple structure and solves the problems that a single-structure muffler inner core can not completely absorb and eliminate noise of a motorcycle and has poor noise elimination capability.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is a schematic structural view of the present utility model.

Fig. 4 is a schematic structural view of the present utility model.

Fig. 5 is a schematic structural view of the present utility model.

The meaning indicated by the reference numerals in the figures:

1-a housing; 2-an air inlet pipe; 3-an air outlet; 4-a sound-deadening sleeve; 5-a sound elimination hole; 6-a first silencing cavity; 7-a housing; 8-inner wall; 9-a second silencing chamber; 10-soundproof cotton; 11-an air outlet pipe; 12-fixing the sleeve; 13-baffle.

Detailed Description

The utility model is further described with reference to the following specific examples:

the utility model provides a motorcycle silencer, includes casing 1, the both ends of casing 1 are equipped with intake pipe 2 and gas outlet 3 respectively, be equipped with the filter screen on the intake pipe 2, still be equipped with noise elimination sleeve pipe 4 in the casing 1, seted up a plurality of sound elimination holes 5 on the noise elimination sleeve pipe 4, intake pipe 2 and noise elimination sleeve pipe 4 are formed with first amortization chamber 6, casing 1 includes shell 7 and inner wall 8, is formed with second amortization chamber 9 between shell 7 and the inner wall 8, is equipped with soundproof cotton 10 in the second amortization chamber 9, a plurality of sound insulation holes have been seted up on the inner wall 8, in intake pipe 2 gets into casing 1 when tail gas, first amortization chamber 6 and second amortization chamber 9 carry out the amortization to the produced noise of tail gas, again by gas outlet 3 discharge.

The utility model aims to provide a motorcycle muffler which is simple in structure and solves the problems that a single-structure muffler inner core cannot completely absorb and eliminate noise of a motorcycle and the noise elimination capability is poor, and the motorcycle muffler comprises a shell 1, wherein two ends of the shell 1 are respectively provided with an air inlet pipe 2 and an air outlet 3, a filter screen is arranged on the air inlet pipe 2, a muffler sleeve 4 is further arranged in the shell 1, a plurality of muffler holes 5 are formed in the muffler sleeve 4, a first muffler cavity 6 is formed between the air inlet pipe 2 and the muffler sleeve 4, the shell 1 comprises a shell 7 and an inner wall 8, a second muffler cavity 9 is formed between the shell 7 and the inner wall 8, soundproof cotton 10 is arranged in the second muffler cavity 9, a plurality of soundproof holes are formed in the inner wall 8, when tail gas enters the shell 1 through the air inlet pipe 2, the first muffler cavity 6 and the second muffler cavity 9 carry out noise elimination on the tail gas, the tail gas is discharged through the air outlet 3, the tail gas and the noise enters the first muffler cavity 6, a part of sound waves are counteracted by the first muffler cavity 6, the rest sound waves flow into the second muffler cavity 9, a second muffler cavity 9 is formed between the shell 7 and the second muffler cavity 9, sound waves are better in friction performance, sound energy is better, sound energy noise is better noise absorption performance is better, and noise absorption performance is better noise absorption performance is realized through noise absorption, and noise absorption performance is better noise absorption performance through noise absorption layers.

Preferably, an air outlet pipe 11 is arranged in the air outlet 3, the air outlet pipe 11 is positioned in the air outlet 3, the other end of the air outlet pipe is connected with the silencing sleeve 4, and the air outlet pipe 11 is connected with the silencing sleeve 4, so that tail gas can be conveniently discharged.

Preferably, be equipped with the fixed cover 12 that is used for fixed noise elimination sleeve 4 in the outlet duct 11, fixed cover 12 is located the front end of outlet duct 11 with noise elimination sleeve 4 is connected, fixed cover 12 ring is located on the noise elimination sleeve 4, outlet duct 11 is fixed more firm with noise elimination sleeve 4, makes the sound wave that does not carry out the amortization unable follow the discharge from the connection of outlet duct 11 and noise elimination sleeve 4, has increased the amortization effect.

Preferably, a baffle 13 is disposed at one end of the silencing sleeve 4, the silencing hole 5 is disposed around the baffle 13 and is disposed around the silencing sleeve 4, the tail gas silences the noise generated by the tail gas through the first silencing cavity 6 and the second silencing cavity 9, the tail gas enters the silencing sleeve 4 through the silencing hole 5, and finally is discharged from the air outlet 3 through the air outlet pipe 11, so that the noise entering from the air inlet pipe 2 cannot directly enter the silencing sleeve 4.

Preferably, one end of the shell 1 is a flaring end, the other end of the shell is a bevel connection end, the air inlet pipe 2 is arranged at the flaring end, the air outlet 3 is arranged at the bevel connection end, tail gas and noise are convenient to pass through by the flaring end, and tail gas is convenient to discharge by the bevel connection end.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a motorcycle silencer, its characterized in that, including casing (1), the both ends of casing (1) are equipped with intake pipe (2) and gas outlet (3) respectively, be equipped with the filter screen on intake pipe (2), still be equipped with noise elimination sleeve pipe (4) in casing (1), set up a plurality of noise elimination holes (5) on noise elimination sleeve pipe (4), intake pipe (2) are formed with first amortization chamber (6) with noise elimination sleeve pipe (4), casing (1) include shell (7) and inner wall (8), are formed with second amortization chamber (9) between shell (7) and inner wall (8), are equipped with soundproof cotton (10) in second amortization chamber (9), a plurality of sound insulation holes have been seted up on inner wall (8), in intake pipe (2) entering casing (1) are passed through in to tail gas, and noise that first amortization chamber (6) and second amortization chamber (9) produced tail gas is discharged by gas outlet (3) again.

2. A motorcycle muffler as defined in claim 1, wherein: an air outlet pipe (11) is arranged in the air outlet (3), the air outlet pipe (11) is positioned in the air outlet (3), and one end of the air outlet pipe is connected with the silencing sleeve (4).

3. A motorcycle muffler as defined in claim 2, wherein: the novel muffler is characterized in that a fixing sleeve (12) used for fixing the muffler sleeve (4) is arranged in the air outlet pipe (11), the fixing sleeve (12) is located at the front end of the air outlet pipe (11) and connected with the muffler sleeve (4), and the fixing sleeve (12) is arranged on the muffler sleeve (4) in a surrounding mode.

4. A motorcycle muffler according to claim 2 or 3, wherein: the one end of noise elimination sleeve pipe (4) is equipped with baffle (13), noise elimination hole (5) are located around baffle (13), and the ring is located on noise elimination sleeve pipe (4), tail gas carries out the amortization to the produced noise of tail gas through first amortization chamber (6) and sound second amortization chamber (9), rethread noise elimination hole (5) get into inside noise elimination sleeve pipe (4), finally discharges from gas outlet (3) through outlet duct (11).

5. A motorcycle muffler as defined in claim 4, wherein: one end of the shell (1) is a flaring end, the other end of the shell is a bevel end, the air inlet pipe (2) is arranged at the flaring end, and the air outlet (3) is arranged at the bevel end.