CN203130201U

CN203130201U - Motor cycle silencer

Info

Publication number: CN203130201U
Application number: CN201320021154XU
Authority: CN
Inventors: 张国政; 孙乾坤
Original assignee: Anhui Technical College of Mechanical and Electrical Engineering
Current assignee: Anhui Technical College of Mechanical and Electrical Engineering
Priority date: 2013-01-15
Filing date: 2013-01-15
Publication date: 2013-08-14
Anticipated expiration: 2023-01-15

Abstract

The utility model discloses a motor cycle silencer which comprises a taper pipe. A first dummy plate, a catalytic converter, a second dummy plate, a rib plate and a third dummy plate are sequentially arranged from the small end to the large end of the inner wall of the taper pipe, and the taper pipe is divided into a first cavity, a second cavity, a third cavity, a fourth cavity, a fifth cavity and a sixth cavity. A rear cover is arranged at the large end port of the taper pipe in a screwing mode, and the inner wall of the taper pipe is provided with a first internal connecting pipe and a second internal connecting pipe which extend into the first cavity from the small end port of the taper pipe. A third internal connecting pipe which extends into the second cavity from the first cavity is arranged on the first dummy plate along the center line. The second dummy plate, the rib plate and the third dummy plate are provided with an eccentric fourth internal connecting pipe. The center of the rib plate and the center of the rear cover are provided with a fifth internal connecting pipe. Two sixth internal connecting pipes which are symmetrically distributed are arranged in the positions, on the upper side and the lower side of the fifth internal connecting pipe, of the rib plate and the third dummy plate. The motor cycle silencer is reasonable in design, improves acoustic energy transmission loss, enables the silencer to fully perform the performance of the silencer, improves the vibration characteristic of the silencer, strengthens the fluid characteristic of the silencer, and purifies tail gas.

Description

A kind of noise eliminator of motorcycle

Technical field:

The utility model relates to the motorcycle exhaust tapping equipment, relates in particular to a kind of noise eliminator of motorcycle.

Background technique:

Silencing apparatus low frequency sound deadening capacity deficiency, the sound deadening capacity of noise elimination structure is relevant with volume, but the space that can install in the air inlet system and exhaust system all is very limited, so in the space that limits, design silencing apparatus often.Motorcycle exhaust emission problem and tail gas environmental pollution problem all are to be badly in need of improving.

The model utility content:

In order to remedy the prior art problem, the purpose of this utility model provides a kind of noise eliminator of motorcycle, reduces the transmission of acoustic energy, reduces noise pollution, and external purification is handled tail gas and reduced tail gas to the pollution of environment.

The technical solution of the utility model is as follows:

Noise eliminator of motorcycle, comprise Taper Pipe, it is characterized in that: described Taper Pipe inwall be provided with successively from small end to big end first dividing plate, catalytic converter, second partition, floor, the 3rd dividing plate with Taper Pipe be divided into first, second, third and fourth, five, six chambers, Taper Pipe large port portion screws bonnet is installed, described Taper Pipe inwall is provided with first inner connecting tube that stretches into first chamber from portlet, is set with second inner connecting tube in first inner connecting tube; Described first dividing plate is provided with the 3rd inner connecting tube that extend into second chamber from first chamber along center line; Described second partition, floor, the 3rd dividing plate are provided with the 4th eccentric inner connecting tube, and the 4th inner connecting tube extend in the 6th chamber from the 3rd chamber; Described floor, bonnet center are provided with the 5th inner connecting tube, and the 5th inner connecting tube one end is concordant with floor, and the other end stretches out bonnet; The floor of described the 5th inner connecting tube upper and lower sides and the 3rd dividing plate are provided with the 6th inner connecting tube of two symmetrical distributions, and the 6th inner connecting tube one end is concordant with floor, and the other end extend in the 6th chamber.

Described noise eliminator of motorcycle is characterized in that: adopt interference fit or screw thread to screw installation between described first inner connecting tube and second inner connecting tube.

Described noise eliminator of motorcycle is characterized in that: described catalytic converter is cellular.

Described noise eliminator of motorcycle, it is characterized in that: the Taper Pipe inwall of described second chamber, the 3rd chamber also is provided with inner housing, the inner housing two ends are by first dividing plate, second partition sealing, and catalytic converter is installed on the inner housing inwall between first dividing plate, the second partition.

The utility model has the advantages that:

The utility model reasonable in design improves the acoustic energy transmission loss, makes silencing apparatus give full play to its performance; Improve the vibration characteristics of silencing apparatus, strengthened the fluid characteristics of silencing apparatus, cleaning of off-gas.

Description of drawings:

Fig. 1 is structural representation of the present utility model.

Fig. 2 is A of the present utility model-A sectional view.

Fig. 3 is B of the present utility model-B sectional view.

Fig. 4 is C of the present utility model-C sectional view.

Fig. 5 is D of the present utility model-D sectional view.

Embodiment:

Referring to Fig. 1:

Noise eliminator of motorcycle, comprise Taper Pipe 1, Taper Pipe 1 inwall be provided with successively from small end to big end first dividing plate 2, catalytic converter 3, second partition 4, floor 5, the 3rd dividing plate 6 with Taper Pipe be divided into first, second, third and fourth, five, six

chambers

7,8,9,10,11,12, Taper Pipe 1 large port portion screws bonnet 13 is installed, guarantee its closed performance, Taper Pipe 1 inwall is provided with in portlet stretches into first inner connecting tube, 14, the first inner connecting tubes 14 of first chamber and is set with second inner connecting tube 15; First dividing plate 2 is provided with the 3rd inner connecting tube 16 that extend into second chamber 8 from first chamber 7 along center line; Second partition 4, floor 5, the 3rd dividing plate 6 are provided with eccentric the 4th inner connecting tube 17, the four inner connecting tubes 17 and extend in the 6th chamber 12 from the 3rd chamber 9; It is concordant with floor 5 that floor 5, bonnet 13 centers are provided with the 5th inner connecting tube 18, the five inner connecting tubes 18 1 ends, and the other end stretches out bonnet 13; It is concordant with floor 5 that the floor 5 of the 5th inner connecting tube 18 upper and lower sides and the 3rd dividing plate 6 are provided with the 6th inner connecting tube 19, the six inner connecting tubes 19 1 ends of two symmetrical distributions, and the other end extend in the 6th chamber 12.

Adopt interference fit or screw thread to screw installation between first inner connecting tube 14 and second inner connecting tube 15, can play the better seal effect.

Catalytic converter 3 is cellular, has improved acoustic attenuation performance significantly, is conducive to absorption and the catalyzed conversion of harmful gas simultaneously.

Taper Pipe 1 inwall of second chamber 8, the 3rd chamber 9 also is provided with inner housing 20, and inner housing 20 two ends are by first dividing plate 2, second partition 6 sealings, and catalytic converter 3 is installed on inner housing 20 inwalls between first dividing plate 2, the second partition 6.

First inner connecting tube 14, second inner connecting tube 15, the 3rd inner connecting tube 16, the 4th inner connecting tube 17, the 5th inner connecting tube 18, the 6th inner connecting tube 19, all be to have adopted short tube, be similar to general plug-in type expansion cavity, can be stable be fixed on silencing apparatus inside, structure is in compactness, improve the vibration characteristics of silencing apparatus and improved the acoustic attenuation performance of silencing apparatus, thereby reduced the volume of inner structure part, strengthened gas flow space.

Adopt welding between the 3rd inner connecting tube 16 and first dividing plate 2, can prolong for the 3rd inner connecting tube working life like this, also can make it firm.In like manner also adopt welding between the 4th inner connecting tube 17, the 6th inner connecting tube 19 and second partition 4, the 3rd dividing plate 6, floor 5 plays the effect of support in the centre, increased stability.Adopt welding between the 5th inner connecting tube 18 and the 3rd dividing plate 6, floor 5 and bonnet 13 have played supporting effect, and its stability is strengthened, and are conducive to the discharge smoothness of gas.

The utility model is used for the venting gas appliance of exhaust system for motorcycle, and fuel saving reduces economic loss, reduces the caused noise of exhaust emissions, alleviates the tail gas environmental pollution.

Claims

1. noise eliminator of motorcycle, comprise Taper Pipe, it is characterized in that: described Taper Pipe inwall be provided with successively from small end to big end first dividing plate, catalytic converter, second partition, floor, the 3rd dividing plate with Taper Pipe be divided into first, second, third and fourth, five, six chambers, Taper Pipe large port portion screws bonnet is installed, described Taper Pipe inwall is provided with first inner connecting tube that stretches into first chamber from portlet, is set with second inner connecting tube in first inner connecting tube; Described first dividing plate is provided with the 3rd inner connecting tube that extend into second chamber from first chamber along center line; Described second partition, floor, the 3rd dividing plate are provided with the 4th eccentric inner connecting tube, and the 4th inner connecting tube extend in the 6th chamber from the 3rd chamber; Described floor, bonnet center are provided with the 5th inner connecting tube, and the 5th inner connecting tube one end is concordant with floor, and the other end stretches out bonnet; The floor of described the 5th inner connecting tube upper and lower sides and the 3rd dividing plate are provided with the 6th inner connecting tube of two symmetrical distributions, and the 6th inner connecting tube one end is concordant with floor, and the other end extend in the 6th chamber.

2. noise eliminator of motorcycle according to claim 1 is characterized in that: adopt interference fit or screw thread to screw installation between described first inner connecting tube and second inner connecting tube.

3. noise eliminator of motorcycle according to claim 1, it is characterized in that: described catalytic converter is cellular.

4. noise eliminator of motorcycle according to claim 1, it is characterized in that: the Taper Pipe inwall of described second chamber, the 3rd chamber also is provided with inner housing, the inner housing two ends are by first dividing plate, second partition sealing, and catalytic converter is installed on the inner housing inwall between first dividing plate, the second partition.