CN203050851U

CN203050851U - Muffler of motorcycle

Info

Publication number: CN203050851U
Application number: CN 201320061072
Authority: CN
Inventors: 田锐; 王泽江; 谢盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-04
Filing date: 2013-02-04
Publication date: 2013-07-10
Anticipated expiration: 2023-02-04

Abstract

A muffler of a motorcycle comprises an air intake pipe, a front tapered cylinder, a cylinder and a rear tapered cylinder, wherein the air intake pipe, the front tapered cylinder, the cylinder and the rear tapered cylinder are connected in sequence, two ends of the cylinder are respectively combined with the large end of the front tapered cylinder and the large end of the rear tapered cylinder, and a tail pipe is connected with the small end of the rear tapered cylinder. A front clapboard is arranged between the front tapered cylinder and the cylinder, a rear clapboard is arranged between the cylinder and the rear tapered cylinder, a first noise reduction cavity is formed in the cylinder, a second noise reduction cavity is formed in the front tapered cylinder, and a third noise reduction cavity is formed in the rear tapered cylinder. An inner pipe is arranged in the air intake pipe, the inner pipe penetrates through the front clapboard to be communicated with the first noise reduction cavity, the first noise reduction cavity and the second noise reduction cavity are communicated, and a breather pipe which is used for communicating the second noise reduction cavity and the third noise reduction cavity is installed between the front clapboard and the rear clapboard in an embedded mode. According to the muffler of the motorcycle, a plurality of noise reduction cavities are arranged, and noise of an engine of the motorcycle is reduced effectively.

Description

A kind of motorcycle baffler

Technical field

The utility model relates to a kind of baffler, particularly a kind of motorcycle baffler of effective reduction engine noise.

Background technique

Along with the development of the technology of motor, the power of the motor that uses on the motorcycle is also increasing now, but the noise of the more big motor of power is also more big, and the temperature of the tail gas of discharge is also more high, and existing motorcycle baffler just is difficult to satisfy the demand.

Summary of the invention

The utility model provides a kind of motorcycle baffler, effectively reduces the noise of motorcycle engine, and is able to take the test of high-temperature tail gas.

In order to solve the problems of the technologies described above, the utility model is taked following technological scheme:

A kind of motorcycle baffler comprises the suction tude, inner cone tube, cylinder and the rear conical-tube that connect successively, is combined with the big end of inner cone tube and rear conical-tube respectively in the two ends of cylinder, and the small end of rear conical-tube is connected with tail pipe.Be provided with preceding dividing plate between described inner cone tube and the cylinder, be provided with rear bulkhead between cylinder and the rear conical-tube, in cylinder, form first silencing cavity, in the inner cone tube, form second silencing cavity, in rear conical-tube, form the 3rd silencing cavity; Described suction tude is provided with interior pipe, dividing plate and the first silencing cavity conducting before interior pipe passes, and first silencing cavity and the second silencing cavity conducting are embedded with the breathing pipe that is communicated with second silencing cavity and the 3rd silencing cavity between preceding dividing plate and rear bulkhead.

The outer periphery of described tail pipe is equipped with outer cylinder, forms the 4th silencing cavity, the 3rd silencing cavity and the 4th silencing cavity conducting in the outer cylinder.

Be respectively equipped with preceding inner conical-tube, inner cylinder and back inner conical-tube in described inner cone tube, cylinder and the rear conical-tube, between inner cone tube and preceding inner conical-tube, cylinder and inner cylinder and rear conical-tube and back inner conical-tube, be filled with the glass fibre of sound-absorbing and heat-blocking action.

The outer periphery of described breathing pipe is equipped with second outer cylinder, offers a plurality of apertures that penetrate the breathing pipe tube wall on the part breathing pipe of second outer cylinder parcel.

Offer the aperture that penetrates the tail pipe tube wall on the part tail pipe of described outer cylinder parcel, be filled with glass fibre between outer cylinder and the tail pipe.

Described tail pipe upwards and along the rear conical-tube outer surface bends, and is provided with contiguous block between outer cylinder and the rear conical-tube.

The interior pipe of described suction tude has been provided with the catalyst that cleans the tail gas effect with the first silencing cavity place of connection.

The utility model effectively reduces the noise of motorcycle by a plurality of silencing cavity are set, and by sound-absorbing and heat insulation glass fibre are set, can play noise reduction and prevent that the baffler surface temperature is too high.

Description of drawings

Fig. 1 is the utility model perspective view;

Fig. 2, Fig. 3 are the utility model broken section structural representation.

Number in the figure is depicted as: 1-suction tude, 2-inner cone tube, 3-cylinder, 4-rear conical-tube, the 5-tail pipe, 6-outer cylinder, 7-first silencing cavity, 8-second silencing cavity, 9 the 3rd silencing cavity, pipe in the 10-, 11-breathing pipe, inner conical-tube before the 12-, 13-inner cylinder, inner conical-tube behind the 14-, dividing plate before the 15-, 16-rear bulkhead, 17-second outer cylinder, 18-the 4th silencing cavity, 19-contiguous block, 20-catalyst.

Embodiment

For the ease of those skilled in the art's understanding, the utility model will be further described below in conjunction with accompanying drawing.

As Fig. 1, Fig. 2 and shown in Figure 3, a kind of motorcycle baffler, comprise the suction tude 1, inner cone tube 2, cylinder 3 and the rear conical-tube 4 that connect successively, be combined with the big end of inner cone tube 2 and rear conical-tube 4 respectively in the two ends of cylinder 3, form a tubular structure that reduces from the middle to both ends, the small end of rear conical-tube 4 is connected with tail pipe 5.Dividing plate 15 before being provided with between inner cone tube 2 and the cylinder 3 is provided with rear bulkhead 16 between cylinder 3 and the rear conical-tube 4, forms first silencing cavity 7 in cylinder 3, forms second silencing cavity 8 in inner cone tube 2, forms the 3rd silencing cavity 9 in rear conical-tube 4; Pipe 10 in suction tude 1 is provided with, dividing

plate

15 and 7 conductings of first silencing cavity before interior pipe 10 passes,

first silencing cavity

7 and 8 conductings of second silencing cavity, preceding dividing plate 15 is embedded with the breathing pipe 11 that is communicated with second silencing cavity 8 and the 3rd silencing cavity 9 with 16 of rear bulkheads.The outer periphery of tail pipe 5 is equipped with outer cylinder 6, forms the 4th silencing cavity 18, the three

silencing cavity

9 and 18 conductings of the 4th silencing cavity in the outer cylinder 6.Inner conical-tube 12, inner cylinder 13 and back inner conical-tube 14 before being respectively equipped with in inner cone tube 2, cylinder 3 and the rear conical-tube 4, between inner cone tube 2 and preceding inner conical-tube 12, cylinder 3 and inner cylinder 13 and rear conical-tube 4 and back inner conical-tube 14, be filled with the glass fibre of sound-absorbing and heat-blocking action, can play noise reduction and prevent the effect that the baffler hull-skin temperature is too high.The outer periphery of breathing pipe 11 is equipped with on the part breathing pipe 11 of second outer cylinder, 17, the second outer cylinder 17 parcel and offers a plurality of apertures that penetrate breathing pipe 11 tube walls.Offer the aperture that penetrates tail pipe 5 tube walls on the part tail pipe 5 of outer cylinder 6 parcels, be filled with glass fibre between outer cylinder 6 and the tail pipe 5.Tail pipe 5 upwards and along rear conical-tube 4 outer surfaces bends, and is provided with contiguous block 19 between outer cylinder 6 and the rear conical-tube 4, makes outer cylinder 6 more firm.The interior pipe 10 of suction tude 1 has been provided with the catalyst 20 that cleans the tail gas effect with first silencing cavity, 7 places of connection, reduces tail gas to the pollution of atmosphere.

The tail gas of motorcycle is discharged from motor, at first pass through the interior pipe 10 of suction tude 1, after the purification of catalyst 20, enter first silencing cavity 7, passage by first silencing cavity 7 and second silencing cavity 8 enters second silencing cavity 8 again, then enter into the 3rd silencing cavity 9 by breathing pipe 11, arrive the 4th silencing cavity 18 from tail pipe 5 again, be discharged to the outside at last.Tail gas effectively carries out noise reduction and purification through a plurality of silencing cavity, meets the environmental protection demand.

Above-described embodiment is the preferable implementation of the utility model, and under the prerequisite that does not break away from the utility model design, just the replacement that the utility model is made direct displacement or is equal to all belongs within the protection domain of the present utility model.

Claims

1. motorcycle baffler, comprise the suction tude (1), inner cone tube (2), cylinder (3) and the rear conical-tube (4) that connect successively, be combined with the big end of inner cone tube and rear conical-tube respectively in the two ends of cylinder, the small end of rear conical-tube is connected with tail pipe (5), it is characterized in that:

Be provided with preceding dividing plate (15) between described inner cone tube and the cylinder, be provided with rear bulkhead (16) between cylinder and the rear conical-tube, in cylinder, form first silencing cavity (7), in the inner cone tube, form second silencing cavity (8), in rear conical-tube, form the 3rd silencing cavity (9);

Described suction tude is provided with interior pipe (10), dividing plate and the first silencing cavity conducting before interior pipe passes, and first silencing cavity and the second silencing cavity conducting are embedded with the breathing pipe (11) that is communicated with second silencing cavity and the 3rd silencing cavity between preceding dividing plate and rear bulkhead.

2. motorcycle baffler according to claim 1, it is characterized in that: the outer periphery of described tail pipe (5) is equipped with outer cylinder (6), forms the 4th silencing cavity (18), the 3rd silencing cavity and the 4th silencing cavity conducting in the outer cylinder.

3. motorcycle baffler according to claim 1 and 2, it is characterized in that: be respectively equipped with preceding inner conical-tube (12), inner cylinder (13) and back inner conical-tube (14) in described inner cone tube, cylinder and the rear conical-tube, between inner cone tube and preceding inner conical-tube, cylinder and inner cylinder and rear conical-tube and back inner conical-tube, be filled with the glass fibre of sound-absorbing and heat-blocking action.

4. motorcycle baffler according to claim 3, it is characterized in that: the outer periphery of described breathing pipe (11) is equipped with second outer cylinder (17), offers a plurality of apertures that penetrate the breathing pipe tube wall on the part breathing pipe of second outer cylinder parcel.

5. motorcycle baffler according to claim 4 is characterized in that: offer the aperture that penetrates the tail pipe tube wall on the part tail pipe (5) of described outer cylinder (6) parcel, be filled with glass fibre between outer cylinder and the tail pipe.

6. motorcycle baffler according to claim 5 is characterized in that: described tail pipe (5) is provided with contiguous block (19) upwards and along the bending of rear conical-tube (4) outer surface between outer cylinder and the rear conical-tube.

7. motorcycle baffler according to claim 6 is characterized in that: the interior pipe (10) of described suction tude and the first silencing cavity place of connection have been provided with the catalyst (20) of cleaning tail gas effect.