CN208380676U - Bullet-shaped motorcycle exhaust pipe - Google Patents

Abstract

The utility model belongs to exhaust pipe technical field more particularly to a kind of bullet-shaped motorcycle exhaust pipe.The utility model includes exhaust pipe main body, the both ends of the exhaust pipe main body are connected separately with air inlet pipe and air exit, the exhaust pipe main body is gradually become smaller from one end close to air exit to the other end, several acoustical panels being arranged coaxially are equipped in the exhaust pipe main body, bloop is densely covered on the acoustical panel, the acoustical panel is inclined to set in exhaust pipe main body inner wall.The utility model structure is simple, substitutes silencer with acoustical panel, reduces production cost.

Description

Bullet-shaped motorcycle exhaust pipe

Technical field

The utility model belongs to motorcycle exhaust pipe technical field more particularly to a kind of bullet-shaped motorcycle exhaust pipe.

Background technique

With the development of economy and society, urban transportation industry is also increasingly flourishing, to people's work and life bring it is convenient and Comfortably, but with the increase of town and country vehicle, the daily life of the noise on human of motor vehicles causes puzzlement, existing motor Vehicle exhaust pipe generally makes the gas of high temperature and pressure be able to expansion decompression in noise reduction process using expanding chamber, to reach noise reduction Purpose, but since the caliber of expanding chamber is excessive, pulse of each exhaust can not fill up entire caliber, and at this moment exhaust gas is in caliber It is interior to will form sinuous flow, the exhaust pipe of internal gas flow communication is not influenced while causing exhaust to have some setbacks, therefore need a kind of noise reduction.

In order to overcome expanding chamber noise reduction bring defect, people use installs muffler additional on exhaust pipe, but muffler is aobvious The cost for improving exhaust pipe is write, the competitiveness of enterprise is reduced.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of bullet-shaped motorcycle exhaust pipe.

In order to achieve the above objectives, the utility model uses following technical proposal:

The both ends of a kind of bullet-shaped motorcycle exhaust pipe, including exhaust pipe main body, the exhaust pipe main body connect respectively It is connected to air inlet pipe and air exit, the exhaust pipe main body is gradually become smaller from one end close to air exit to the other end, institute It is equipped with several acoustical panels being arranged coaxially in the exhaust pipe main body stated, is densely covered with bloop on the acoustical panel, it is described Acoustical panel is inclined to set in exhaust pipe main body inner wall.

In above-mentioned bullet-shaped motorcycle exhaust pipe, at the top of several acoustical panels with exhaust pipe main body inner wall it Between direction of the gap from air inlet pipe toward air exit become larger.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the aperture of the bloop on same acoustical panel is identical, Direction of the bloop from air inlet pipe toward air exit on several acoustical panels gradually becomes smaller.

In above-mentioned bullet-shaped motorcycle exhaust pipe, acoustical panel is semicircle, and bloop is circle.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the angle between acoustical panel and exhaust pipe main body is at 100-150 ° Between.

In above-mentioned bullet-shaped motorcycle exhaust pipe, one piece is equipped with close to one end of air inlet pipe in exhaust pipe main body and is disappeared Sound deflector, the noise reduction deflector are equipped with several apertures, side of the noise reduction deflector from air inlet pipe toward acoustical panel To being obliquely installed from high to low, the noise reduction deflector and there is exhaust trouble between one piece of acoustical panel of air inlet pipe Mouthful, the exhaust fork is close to the top of exhaust pipe main body.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the extended segment of the noise reduction deflector be projected near into On one piece of acoustical panel of tracheae.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the cross section of the noise reduction deflector is in semi-circular shape, institute Direction of the cross-sectional area for the noise reduction deflector stated from air inlet pipe toward air exit becomes larger.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the air inlet pipe successively includes being connected with each other air inlet to expand and connect Connector connection exhaust pipe main body is expanded in head, air inlet interlude, air inlet bending segment and air inlet linkage section, the air inlet, and air inlet connects Section is connect equipped with connecting flange, the angle between air inlet interlude and air inlet bending segment is obtuse angle, and air inlet bending segment and air inlet connect Connecing the angle between section is obtuse angle.

In above-mentioned bullet-shaped motorcycle exhaust pipe, the air exit is equipped with connection exhaust pipe body interior Exhaust outlet, and be looped around the protection ring outside exhaust outlet, the exhaust outlet is arranged diagonally downward, in exhaust pipe main body Equipped with shield, the shield is equipped at least two engaging lugs.

Compared with prior art, utility model has the advantages that

1, structure is simple, substitutes silencer with acoustical panel, reduces production cost.

2, good muffling effect is formed in the first stage of exhaust and is disappeared using acoustical panel and the dual noise reduction of noise reduction deflector Sound, forms audio feedback chamber between two pieces of acoustical panels, and erasure effect is significantly improved.

3, exhaust effect is not influenced while noise reduction, the space of exhaust incrementally increases, and is conducive to be vented.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic internal view of exhaust pipe main body；

Fig. 3 is the structural schematic diagram of acoustical panel；

Fig. 4 is noise reduction deflector in the intracorporal structural schematic diagram of exhaust pipe master.

In figure: exhaust pipe main body 1, air inlet pipe 2, air exit 3, acoustical panel 4, bloop 5, noise reduction deflector 6, exhaust trouble Mouth 7, air inlet expand connector 8, air inlet interlude 9, air inlet bending segment 10, air inlet linkage section 11, flange 11a, exhaust outlet 12, protection Ring 13, shield 14, engaging lug 15.

Specific embodiment

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

In conjunction with shown in Fig. 1, Fig. 2 and Fig. 4, a kind of bullet-shaped motorcycle exhaust pipe, including exhaust pipe main body 1, it is described The both ends of exhaust pipe main body 1 are connected separately with air inlet pipe 2 and air exit 3, and the cross-sectional area of the exhaust pipe main body 1 is by leaning on One end of nearly air exit 3 gradually becomes smaller to the other end, and this design is conducive to Quick air-discharge, namely in exhaust process it is transversal Area is gradually increased, and is equipped with several acoustical panels 4 being arranged coaxially in the exhaust pipe main body 1, close on the acoustical panel 4 It is furnished with bloop 5, the acoustical panel 4 is inclined to set on 1 inner wall of exhaust pipe main body.Acoustical panel 4 and exhaust pipe main body 1 it Between angle between 100-150 °, it is preferable that the angle is 120 °.

In the present embodiment, it after the air-flow of air inlet pipe 2 encounters acoustical panel 4, is discharged by bloop 5, bloop 5 has low Intermediate frequency broadband acoustic attenuation performance, acoustical panel 4 are made of metal, can be welded in exhaust pipe main body 1, have spy resistant to high temperature Point, and smooth gas discharge.

Gap between 4 top of several acoustical panels and 1 inner wall of exhaust pipe main body is from air inlet pipe 2 toward the direction of air exit 3 It becomes larger, which is the efficiency in order to improve exhaust, prevents 1 inside carbon distribution of exhaust pipe main body.

The aperture of bloop 5 on same acoustical panel 4 is identical, and the bloop 5 on several acoustical panels 4 is by air inlet pipe 2 gradually become smaller toward the direction of air exit 3, this design, and the bloop 5 that tail gas encounters gradually becomes smaller, and bloop at the top of with Gap between 1 inner wall of exhaust pipe main body is gradually increased, neither influence exhaust effect, and can absorb the sound of different wave frequencies.

Acoustical panel 4 can be various shape, and also without limitation, in the present embodiment, acoustical panel 4 is the shape of bloop 5 Semicircle, bloop 5 are circle.

It is equipped with one piece of noise reduction deflector 6 close to one end of air inlet pipe 2 in exhaust pipe main body 1, on the noise reduction deflector 6 Equipped with several aperture (not shown)s, the noise reduction deflector 6 is inclined from high to low from air inlet pipe 2 toward the direction of acoustical panel 4 Tiltedly setting, the noise reduction deflector 6 and between one piece of acoustical panel 4 of air inlet pipe 2 have exhaust fork 7, it is described Fork 7 is vented close to the top of exhaust pipe main body 1.

Noise reduction deflector 6 not only has guide functions, but also has sound deadening.Noise reduction deflector 6 is convenient for towards acoustical panel 4 Air-flow is injected directly on acoustical panel 4.

Preferred embodiment, the extended segment of noise reduction deflector 6 are projected on one piece of acoustical panel 4 of air inlet pipe 2, thus real The guiding of existing air-flow.

Preferred embodiment, as shown in connection with fig. 3, the cross section of noise reduction deflector 6 are in semi-circular shape, the noise reduction deflector 6 Cross-sectional area become larger from air inlet pipe 2 toward the direction of air exit 3.

Air inlet pipe 2 successively includes being connected with each other air inlet to expand connector 8, air inlet interlude 9, air inlet bending segment 10 and air inlet company Section 11 is connect, the air inlet expands connector 8 and connects exhaust pipe main body 1, and air inlet linkage section 11 is equipped with connecting flange 11a, air inlet Angle between interlude 9 and air inlet bending segment 10 is obtuse angle, and the angle between air inlet bending segment 10 and air inlet linkage section 11 is Obtuse angle.

Air exit 3 is equipped with the exhaust outlet 12 inside connection exhaust pipe main body 1, and is looped around outside exhaust outlet 12 Protection ring 13, the exhaust outlet 12 are arranged diagonally downward, and shield 14, the shape of shield 14 are equipped in exhaust pipe main body 1 Shape, the big exhaust pipe main body 1 that is less than match, and the shield 14 is equipped at least two engaging lugs 15, and engaging lug 15 is used for Motorcycle body is connected, is easily installed.

The utility model has good silencing function, and structure is simple, no longer needs to reduce production with suitable silencer Cost.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although exhaust pipe main body 1 is used more herein, air inlet pipe 2, air exit 3, acoustical panel 4, bloop 5, disappears Connector 8, air inlet interlude 9, air inlet bending segment 10, air inlet linkage section 11, exhaust are expanded in sound deflector 6, exhaust fork 7, air inlet The terms such as mouth 12, protection ring 13, shield 14, engaging lug 15, but it does not exclude the possibility of using other terms.Use these Term is used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional limit System is all contrary to the spirit of the present invention.

Claims (10)

1. a kind of bullet-shaped motorcycle exhaust pipe, including exhaust pipe main body (1), the both ends point of the exhaust pipe main body (1) It is not connected with air inlet pipe (2) and air exit (3), which is characterized in that the exhaust pipe main body (1) is by close to air exit (3) one end gradually becomes smaller to the other end, and several acoustical panels (4) being arranged coaxially are equipped in the exhaust pipe main body (1), It is densely covered with bloop (5) on the acoustical panel (4), the acoustical panel (4) is inclined on exhaust pipe main body (1) inner wall to be set It sets.

2. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that several acoustical panels (4) top Gap between portion and exhaust pipe main body (1) inner wall is become larger from air inlet pipe (2) toward the direction of air exit (3).

3. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that be located on same acoustical panel (4) Bloop (5) aperture it is identical, bloop (5) on several acoustical panels (4) is from air inlet pipe (2) toward the side of air exit (3) To gradually becoming smaller.

4. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that acoustical panel (4) is semicircle, noise reduction Hole (5) is circle.

5. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that acoustical panel (4) and exhaust pipe main body (1) angle between is between 100-150 °.

6. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that exhaust pipe main body (1) close into One end of tracheae (2) is equipped with one piece of noise reduction deflector (6), and the noise reduction deflector (6) is equipped with several apertures, and described disappears Sound deflector (6) is obliquely installed from high to low from air inlet pipe (2) toward the direction of acoustical panel (4), the noise reduction deflector (6) and There is exhaust fork (7) between one piece of acoustical panel (4) of air inlet pipe (2), the exhaust fork (7) is close to exhaust pipe The top of main body (1).

7. bullet-shaped motorcycle exhaust pipe as claimed in claim 6, which is characterized in that the noise reduction deflector (6) Extended segment is projected on one piece of acoustical panel (4) of air inlet pipe (2).

8. bullet-shaped motorcycle exhaust pipe as claimed in claim 7, which is characterized in that the noise reduction deflector (6) Cross section is in semi-circular shape, and the cross-sectional area of the noise reduction deflector (6) is from air inlet pipe (2) toward the direction of air exit (3) It becomes larger.

9. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that the air inlet pipe (2) is successively wrapped It includes interconnection air inlet and expands connector (8), air inlet interlude (9), air inlet bending segment (10) and air inlet linkage section (11), it is described Air inlet expand connector (8) connection exhaust pipe main body (1), air inlet linkage section (11) be equipped with connecting flange, air inlet interlude (9) and Angle between air inlet bending segment (10) is obtuse angle, and the angle between air inlet bending segment (10) and air inlet linkage section (11) is blunt Angle.

10. bullet-shaped motorcycle exhaust pipe as described in claim 1, which is characterized in that set on the air exit (3) The exhaust outlet (12) for having connection exhaust pipe main body (1) internal, and it is looped around the external protection ring (13) of exhaust outlet (12), it is described Exhaust outlet (12) be arranged diagonally downward, be equipped with shield (14) on exhaust pipe main body (1), the shield sets on (14) There are at least two engaging lugs (15).