CN217602745U

CN217602745U - Active control exhaust silencer for motorcycle

Info

Publication number: CN217602745U
Application number: CN202221523411.5U
Authority: CN
Inventors: 管耘峰; 邵瑞能; 施明生
Original assignee: Taizhou Haohefeng Vehicle Industry Co ltd
Current assignee: Taizhou Haohefeng Vehicle Industry Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-10-18
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a motorcycle active control exhaust muffler, intake pipe and tail pipe including noise elimination barrel and being located noise elimination barrel both ends and intercommunication, its and the one end that is located the intake pipe in the noise elimination barrel is equipped with the voice coil loudspeaker voice coil that disappears, the one end that the voice coil loudspeaker voice coil is close to the intake pipe is inside to be provided with by wide to narrow tubaeform air intake chamber, the inside air outlet chamber that is provided with of voice coil loudspeaker voice coil other end that disappears to narrow tubaeform, just be close to the tail pipe and be equipped with the enhancement amortization structure in the noise elimination barrel, just be located and be equipped with the vortex fin that is the heliciform and distributes between the voice coil loudspeaker voice coil and the enhancement amortization structure in the noise elimination barrel, be equipped with on the internal wall of noise elimination barrel and inhale the sound cotton. The advantages are that: the exhaust efficiency can not be influenced and the noise reduction effect can be improved.

Description

Active control exhaust silencer for motorcycle

Technical Field

The utility model relates to a motorcycle accessories technical field specifically indicates a motorcycle active control exhaust silencer.

Background

The exhaust pipe of the motorcycle often generates great exhaust noise, so that social life noise is generated, normal life, work and study of other people can be disturbed or disturbed, and the problem of noise emitted by the exhaust pipe of the motorcycle is actively controlled. The internal structure of the existing motorcycle exhaust pipe is mainly a silencer, and the noise reduction principle is that the motorcycle exhaust pipe mainly adopts porous sound absorption materials to reduce noise. The existing silencer has good noise reduction effect, means that gas exhausted by an exhaust pipe needs to be in multi-contact with a structure in the silencer, but under the condition of multi-contact, the exhaust resistance is large, the exhaust efficiency is lower when the exhaust resistance is large, otherwise, the noise reduction effect is general, and therefore the application provides a new technology.

SUMMERY OF THE UTILITY MODEL

The utility model provides a foretell good exhaust resistance of noise reduction effect is big, the big then carminative efficiency of exhaust resistance just lower technical problem more provides one kind can not influence exhaust efficiency and improve the motorcycle active control exhaust muffler of noise reduction effect simultaneously.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a motorcycle active control exhaust muffler, includes the noise elimination barrel and is located the intake pipe and the tail pipe that noise elimination barrel both ends and communicate, noise elimination barrel, intake pipe, tail pipe all are current structure, according to current structural connection can, its one end that is located the intake pipe in the noise elimination barrel is equipped with the amortization circle, the amortization circle is close to the inside tubaeform chamber that admits air by width to narrow of being provided with of one end of intake pipe, the inside tubaeform chamber of giving vent to anger by width to width that is provided with of the other end of amortization circle, in the noise elimination barrel and be close to the tail pipe and be equipped with the enhancement amortization structure, the enhancement amortization structure is including fixing the solid fixed ring on the noise elimination barrel inner wall, be equipped with a plurality of slab in the solid fixed ring, be equipped with the space between the slab, the slab lateral surface all is equipped with the flame retardant net, be equipped with two sections of bending at least on the slab, in the noise elimination barrel and be located between amortization circle and the enhancement structure and be equipped with the vortex fin that is the heliciform distributes, be equipped with on the internal wall of noise elimination barrel and inhale the sound cotton.

Furthermore, the bending section of the plate sheet forms a trapezoid shape, so that the gas flow direction can be well bent.

Furthermore, a vacuum layer is arranged in the housing of the muffling cylinder, and the vacuum layer can block sound transmission and improve the noise reduction performance again.

Furthermore, the front surface of the silencing barrel is provided with a decorative plate, so that the silencing barrel is attractive.

Further, strengthen the amortization structure slope setting, be close to the intake pipe including strengthening the amortization structure upper end, the intake pipe slope setting is kept away from to the lower extreme, and the position of cooperation tail pipe can be sent gas to tail pipe and does benefit to the exhaust.

Compared with the prior art, the utility model the advantage lie in: the gas entering the silencing cylinder from the air inlet pipe is firstly silenced for the first time by the horn-shaped air inlet cavity from wide to narrow through the silencing coil, is silenced for the second time by the horn-shaped air outlet cavity from narrow to wide, and then enters the vortex wing plates distributed in a spiral shape, and the vortex wing plates form spiral gas, so that the space of the silencing cylinder is fully utilized, the gas flow rate of the gas spiral gas is reduced, the effect of adjusting the back pressure is achieved, the exhaust noise during low-speed running is favorably reduced, the time of the gas staying in the silencing cylinder is enhanced, the gas can be fully contacted with silencing cotton and a reinforced silencing structure in the silencing cylinder, further the gas can be silenced again, the gas flow is not obstructed, the exhaust efficiency (the efficiency of the gas exhausted from a motorcycle engine is not reduced, although the gas stays in the silencing cylinder, the exhaust is not obstructed), the weakened gas is absorbed again through a sound absorption structure formed by the plate sheet and the silencing coil, the flame suppression net is stably fixed on the outer surface of the plate, and the flame suppression effect is achieved.

Drawings

Fig. 1 is a schematic view of the internal structure of the active control exhaust muffler of the motorcycle of the present invention.

Fig. 2 is a structural schematic diagram of the reinforced silencing structure of the active control exhaust muffler of the motorcycle of the present invention.

Fig. 3 is a schematic view of the structure of the vortex fin of the active control exhaust muffler of the motorcycle of the present invention.

Fig. 4 is a schematic structural view of a decorative plate of the active control exhaust muffler of the motorcycle.

As shown in the figure: 1. the silencer comprises a silencing cylinder body, 2, an air inlet pipe, 3, an exhaust tail pipe, 4, a silencing ring, 5, a horn-shaped air inlet cavity, 6, a horn-shaped air outlet cavity, 7, a reinforced silencing structure, 8, a flame arresting net, 9, a bending section, 10, a fixing ring, 11, a vortex fin, 12, a sheet, 13 and a decorative plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the accompanying

drawings

1, 2, 3 and 4, an active control exhaust muffler for a motorcycle comprises a muffling barrel 1, an air inlet pipe 2 and a tail pipe 3 which are positioned at two ends of the muffling barrel 1 and communicated with each other, wherein a muffling coil 4 is arranged at one end of the muffling barrel 1, which is positioned at the air inlet pipe 2, a flared air inlet cavity 5 with a narrow width is arranged inside one end of the muffling coil 4, which is positioned at the air inlet pipe 2, a flared air outlet cavity 6 with a narrow width is arranged inside the other end of the muffling coil, a reinforced muffling structure 7 is arranged inside the muffling barrel 1 and is positioned at the tail pipe 3, the reinforced muffling structure 7 comprises a fixing ring 10 fixed on the inner wall of the muffling barrel 1, a plurality of plates 12 are arranged inside the fixing ring 10, gaps are arranged between the plates 12, a muffling net 8 is arranged on the outer side surfaces of the plates 12, at least two bending sections 9 are arranged on the plates 12, vortex fins 11 which are spirally distributed inside the muffling barrel 1 and positioned between the muffling coil 4 and the reinforced muffling structure 7, and sound-absorbing cotton 16 is arranged on the inner wall of the barrel 1.

The bending section of the plate 12 forms a trapezoid shape, so that the gas flow direction can be better bent.

The casing of the silencing barrel body 1 is internally provided with a vacuum layer which can block sound transmission and improve the noise reduction performance again.

The front surface of the silencing barrel body 1 is provided with a decorative plate 13, so that the silencing barrel body is attractive.

Strengthen amortization structure 7 slope setting, including strengthening amortization structure 7 upper end and being close to the intake pipe, the intake pipe slope setting is kept away from to the lower extreme, and the position of cooperation tail pipe can be sent gas to tail pipe and does benefit to the exhaust.

The utility model discloses when concrete implementation, the intake pipe enters into the internal gas of noise elimination barrel at first by the first amortization of wide to narrow tubaeform air inlet chamber of process in the voice coil loudspeaker voice coil, go out the amortization of chamber second time by narrow to wide tubaeform, tightly enter into the vortex fin that is the heliciform and distributes, along with the vortex fin forms spiral gas, can make full use of the space of noise elimination barrel, so as to form spiral gas with the gas and reduced the gas flow rate, reach the effect of adjusting the backpressure, be favorable to reducing the exhaust noise when traveling at low speed, two make its time that stops in the noise elimination barrel strengthen, can fully contact with the amortization cotton and the enhancement amortization structure in the noise elimination barrel, and then can amortization once more, the gas that is weakened at last is inhaled the sound absorption structure that slab and voice coil loudspeaker voice coil formed once more by the sound, and the firm fixing of flame suppression net is at the slab surface, prevent that abundant mist that unburnt from burning in the noise elimination intraductal burning of noise elimination and blow out flame blowout flame, has reached the effect of noise elimination, preferably, the cotton replacement is for the noise elimination net, the life of additional strengthening structure.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a motorcycle active control exhaust muffler, includes the noise elimination barrel and is located the intake pipe and the tail pipe of noise elimination barrel both ends and intercommunication, its characterized in that: its and the one end that is located the intake pipe in the noise elimination barrel is equipped with the voice coil loudspeaker voice coil, the one end inside that the noise elimination circle is close to the intake pipe is provided with admits air the chamber by wide to narrow tubaeform, the inside play air cavity by narrow to wide tubaeform that is provided with of the voice coil loudspeaker voice coil other end that disappears, just be close to exhaust tail pipe in the noise elimination barrel and be equipped with the enhancement amortization structure, strengthen the amortization structure including fixing the solid fixed ring on noise elimination barrel inner wall, gu be equipped with a plurality of slab in the fixed ring, be equipped with the space between the slab, the slab lateral surface all is equipped with the flame arresting net, be equipped with the section of bending in two places at least on the slab, just be equipped with the vortex fin that is the heliciform and distributes between the voice coil loudspeaker voice coil and the enhancement amortization structure in the noise elimination barrel, be equipped with on the inner wall and inhale the sound cotton.

2. A motorcycle active control exhaust muffler according to claim 1, wherein: the bent sections of the plate sheets form a trapezoid.

3. A motorcycle active control exhaust muffler according to claim 1, wherein: a vacuum layer is arranged in the housing of the muffling cylinder.

4. A motorcycle active control exhaust muffler according to claim 1, wherein: the front side of the silencing cylinder body is provided with a decorative plate.

5. A motorcycle active control exhaust muffler according to claim 1, wherein: strengthen the amortization structure slope setting, be close to the intake pipe including strengthening the amortization structure upper end, the intake pipe slope setting is kept away from to the lower extreme.