CN210013744U

CN210013744U - Motorcycle exhaust pipe silencing device

Info

Publication number: CN210013744U
Application number: CN201920700986.1U
Authority: CN
Inventors: 齐安威
Original assignee: Light Riding Group Jiangmen Light Speed Motorcycle Co Ltd
Current assignee: Light Riding Group Jiangmen Light Speed Motorcycle Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-04
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a motorcycle exhaust pipe silencing device, which comprises an exhaust pipe, wherein a shunt connector is installed at the output end of the exhaust pipe, the silencing pipe comprises a first silencing chamber and a second silencing chamber which are communicated with each other, a plurality of silencing plates are sequentially and alternately installed on the inner walls of the upper side and the lower side of the first silencing chamber, each silencing plate inclines towards the middle part of the first silencing chamber respectively, a plurality of wind equalizing holes are formed in the silencing plates, a silencing ring is embedded in each wind equalizing hole respectively, and a plurality of reflection bumps are arranged on the inner wall of each silencing ring; the utility model discloses a silencer, including first amortization room, be provided with the filter mantle in the second amortization room, the filter mantle includes minor diameter filter chamber and coarse diameter filter chamber, minor diameter filter chamber and coarse diameter filter chamber communicate in proper order, a plurality of spouts have been seted up to the filter mantle surface, form exhaust passage between filter mantle and the second amortization room inner wall, the one side of second amortization room towards exhaust passage is provided with the reflection panel of a plurality of continuous beta structures.

Description

Motorcycle exhaust pipe silencing device

Technical Field

The utility model relates to a motorcycle accessories field specifically is a motorcycle blast pipe silencing device.

Background

With the development of the technology level and the improvement of the living standard of people, various motor vehicles are widely applied to the daily life of people as a common vehicle. Such as motorcycles, which are widely used. The motorcycle belongs to the motor vehicle, and the motor vehicle can generate larger noise due to the power factor, so that various noise elimination devices are widely applied to the motor vehicle, and the motorcycle can be additionally provided with a silencer to achieve the purpose of reducing the noise.

Silencers are a device that prevents sound transmission while allowing airflow through, and are an important measure for eliminating aerodynamic noise. The silencer is a device for reducing noise, which is arranged on an airflow channel of air power equipment (such as a blower, an air compressor, a boiler exhaust port, a generator, a water pump and other equipment with high noise at an exhaust port) or in an air inlet and exhaust system.

An exhaust muffler for a motorcycle is a device for attenuating noise by passing an air current therethrough, and is one of important parts of a motorcycle. The performance of the exhaust 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. The motorcycle silencer used at present is simple in structure and poor in silencing effect, and the commonly used single exhaust structure is large in exhaust resistance and affects the silencing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motorcycle blast pipe silencing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a motorcycle exhaust pipe silencing device comprises an exhaust pipe, wherein a shunt connector is mounted at the output end of the exhaust pipe, the shunt connector comprises two air guide ports, and the two air guide ports are respectively communicated with a silencing pipe;

the silencing pipe comprises a first silencing chamber and a second silencing chamber which are mutually communicated, the first silencing chamber is communicated with the air guide port, a plurality of silencing plates are sequentially and alternately arranged on the inner walls of the upper side and the lower side of the first silencing chamber, each silencing plate inclines towards the middle part of the first silencing chamber, a plurality of air equalizing holes are formed in each silencing plate, a silencing ring is embedded in each air equalizing hole, and a plurality of reflection convex points are arranged on the inner wall of each silencing ring;

the utility model discloses a silencer, including first amortization room, be provided with the filter mantle in the second amortization room, the filter mantle includes minor diameter filter chamber and coarse diameter filter chamber, minor diameter filter chamber and coarse diameter filter chamber communicate in proper order, a plurality of spouts have been seted up to the filter mantle surface, form exhaust passage between filter mantle and the second amortization room inner wall, the one side of second amortization room towards exhaust passage is provided with the reflection panel of a plurality of continuous beta structures.

Preferably, the two silencing tubes are attached and welded together side by side.

Preferably, the sound-absorbing plates are not in contact with each other, the sound-absorbing plates are made of porous sound-absorbing materials, and the pore sizes of the sound-absorbing materials used in the sound-absorbing plates are different.

Preferably, the filter cover is communicated with the first silencing chamber, and one end, far away from the first silencing chamber, of the filter cover is of a closed structure.

Preferably, one end of the exhaust passage close to the first muffling chamber is closed, and the other end of the exhaust passage is communicated with the outside of the muffling pipe.

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

1. the utility model discloses a set up two hush pipes and blast pipe intercommunication, equally divide the waste gas in the blast pipe, reduce exhaust resistance greatly, noise reduction, reinforcing noise cancelling effect.

2. The utility model arranges a plurality of groups of silencing plates which are obliquely and alternately arranged in the first silencing chamber, and utilizes the sound absorption apertures with different sizes of the silencing plates to perform multiple friction consumption on noise; the air is dispersed in multiple directions by the aid of the air equalizing holes, and sound waves are reflected and dissipated by the aid of the reflection convex points on the noise elimination rings in the air equalizing holes, so that sound absorption efficiency is greatly improved.

3. The utility model is provided with the filter cover which comprises the small diameter filter chamber and the large diameter filter chamber, and the noise passing through the filter cover is attenuated by utilizing the different diameters of the small diameter filter chamber and the large diameter filter chamber; meanwhile, the surface of the filter cover is provided with a plurality of nozzles, so that noise with partial frequency is effectively filtered.

4. The utility model discloses a with the leading-in exhaust passage of the gas in the filter mantle to be provided with continuous beta structure's reflection panel in exhaust passage, carry out multiple continuous reflection dissipation to the sound wave, effectively prevent sound to propagate outward, noise elimination effect is good.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the acoustic panel of the present invention;

fig. 3 is a schematic structural diagram of the filter cover of the present invention.

In the figure: 1. an exhaust pipe; 2. a shunt connector; 3. an air guide port; 4. a sound-deadening tube; 5. a first muffling chamber; 6. a second muffling chamber; 7. a sound-absorbing panel; 8. air equalizing holes; 9. a sound-deadening ring; 10. reflecting the salient points; 11. a filter housing; 12. a small-diameter filter chamber; 13. a coarse diameter filter chamber; 14. a spout; 15. an exhaust passage; 16. a reflective panel.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a motorcycle exhaust pipe silencing device comprises an exhaust pipe 1, wherein a shunt connector 2 is mounted at the output end of the exhaust pipe 1, the shunt connector 2 comprises two air guide ports 3, and the two air guide ports 3 are respectively communicated with a silencing pipe 4;

the silencing pipe 4 comprises a first silencing chamber 5 and a second silencing chamber 6 which are communicated with each other, the first silencing chamber 5 is communicated with the air guide port 3, a plurality of silencing plates 7 are sequentially and alternately mounted on the inner walls of the upper side and the lower side of the first silencing chamber 5, each silencing plate 7 inclines towards the middle of the first silencing chamber 5, a plurality of air equalizing holes 8 are formed in each silencing plate 7, a silencing ring 9 is embedded in each air equalizing hole 8, and a plurality of reflection convex points 10 are arranged on the inner wall of each silencing ring 9;

the novel silencing device is characterized in that a filtering cover 11 is arranged in the second silencing chamber 6, the filtering cover 11 comprises a small-diameter filtering chamber 12 and a large-diameter filtering chamber 13, the small-diameter filtering chamber 12 and the large-diameter filtering chamber 13 are sequentially communicated, a plurality of nozzles 14 are formed in the surface of the filtering cover 11, an exhaust passage 15 is formed between the filtering cover 11 and the inner wall of the second silencing chamber 6, and a plurality of reflecting panels 16 of continuous folding structures are arranged on one surface, facing the exhaust passage 15, of the second silencing chamber 6.

Further, the two silencing tubes 4 are attached and welded together side by side.

Further, the sound-absorbing plates 7 are not in contact with each other, the sound-absorbing plates 7 are made of porous sound-absorbing materials, and the pore sizes of the sound-absorbing materials used in the sound-absorbing plates 7 are different from each other.

Further, the filter cover 11 is communicated with the first silencing chamber 5, and one end, far away from the first silencing chamber 5, of the filter cover 11 is of a closed structure.

Further, the exhaust passage 15 is closed at one end near the first muffling chamber 5, and the other end communicates with the outside of the muffling pipe 4.

The working principle is as follows: the gas discharged from the exhaust pipe 1 is uniformly distributed to the two silencing pipes 4 by the shunt connector 2, so that the exhaust resistance is greatly reduced, the noise is reduced, and the silencing effect is enhanced. A plurality of groups of silencing plates 7 which are obliquely and alternately arranged are arranged in the first silencing chamber 5, and noise is subjected to multiple friction consumption by utilizing the sound absorption apertures of different sizes of the silencing plates 7; a plurality of air equalizing holes 8 are formed in the silencing plate 7, the air is dispersed in a multi-direction mode through the air equalizing holes 8, reflection bumps 10 on a silencing ring 9 in the air equalizing holes 8 are used for conducting reflection and silencing on sound waves, and sound absorption efficiency is greatly improved. A filter cover 11 is arranged in the second silencing chamber 6, the filter cover 11 comprises a small-diameter filter chamber 12 and a large-diameter filter chamber 13, and the noise passing through the filter cover 11 is attenuated by utilizing the different calibers of the small-diameter filter chamber 12 and the large-diameter filter chamber 13; meanwhile, the surface of the filter cover 11 is provided with a plurality of nozzles 14, so that noise of partial frequency is effectively filtered. The gas in the filter cover 11 is led into the exhaust channel 15, and the reflecting panel 16 with a continuous folding structure is arranged in the exhaust channel 15, so that the sound wave is subjected to multiple continuous reflection and dissipation, the sound is effectively prevented from being transmitted outwards, and the noise elimination effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The motorcycle exhaust pipe silencing device is characterized by comprising an exhaust pipe (1), wherein a shunt connector (2) is mounted at the output end of the exhaust pipe (1), the shunt connector (2) comprises two air guide ports (3), and the two air guide ports (3) are respectively communicated with a silencing pipe (4);

the silencing pipe (4) comprises a first silencing chamber (5) and a second silencing chamber (6) which are communicated with each other, the first silencing chamber (5) is communicated with the air guide port (3), a plurality of silencing plates (7) are sequentially installed on the inner walls of the upper side and the lower side of the first silencing chamber (5) in a staggered mode, each silencing plate (7) inclines towards the middle of the first silencing chamber (5) respectively, a plurality of air equalizing holes (8) are formed in each silencing plate (7), a silencing ring (9) is embedded in each air equalizing hole (8) respectively, and a plurality of reflection convex points (10) are arranged on the inner wall of each silencing ring (9);

be provided with in second anechoic chamber (6) and filter cover (11), filter cover (11) including thin footpath filter chamber (12) and thick footpath filter chamber (13), thin footpath filter chamber (12) and thick footpath filter chamber (13) communicate in proper order, a plurality of spouts (14) have been seted up on filter cover (11) surface, form exhaust passage (15) between filter cover (11) and second anechoic chamber (6) inner wall, second anechoic chamber (6) one side towards exhaust passage (15) is provided with reflecting panel (16) of a plurality of continuous beta structures.

2. A motorcycle exhaust pipe muffler device according to claim 1, wherein: the two silencing tubes (4) are attached and welded together side by side.

3. A motorcycle exhaust pipe muffler device according to claim 1, wherein: the sound-absorbing plates (7) are not in contact with each other, the sound-absorbing plates (7) are made of porous sound-absorbing materials, and the pore sizes of the sound-absorbing materials used by the sound-absorbing plates (7) are different.

4. A motorcycle exhaust pipe muffler device according to claim 1, wherein: the filter cover (11) is communicated with the first silencing chamber (5), and one end, far away from the first silencing chamber (5), of the filter cover (11) is of a closed structure.

5. A motorcycle exhaust pipe muffler device according to claim 1, wherein: one end of the exhaust channel (15) close to the first silencing chamber (5) is closed, and the other end of the exhaust channel is communicated with the outside of the silencing pipe (4).