CN208153096U - A kind of motor exhaust pipe for vehicle denoising device - Google Patents

Abstract

The utility model discloses a kind of motor exhaust pipe for vehicle denoising devices, including fixed device, the side of the fixed device is fixedly connected with exhaust tube, the other side of the fixed device is fixedly connected with connecting sleeve, the connecting sleeve is fixedly connected with the first noise reduction chamber far from the side of fixed device, first noise reduction chamber is internally provided with the first gas-guide tube, one end of first gas-guide tube is fixedly connected on the inside of exhaust tube, the other end of first gas-guide tube is fixedly connected with the second gas-guide tube, and second gas-guide tube is set to the inside of the second noise reduction chamber.The motor exhaust pipe for vehicle denoising device plays the role of buffering or dispersion to the speed of tail gas by the way that multistage gas-guide tube is arranged, and speed when arranging tail gas to air from exhaust pipe reduces；Multistage noise reduction layer is set, tail gas speed is further buffered or dispersed, impact force when low speed tail gas being made to enter air reduces, and then achievees the purpose that noise reduction.

Description

A kind of motor exhaust pipe for vehicle denoising device

Technical field

The utility model relates to motorcycle noise reducing technical field, specially a kind of motor exhaust pipe for vehicle denoising device.

Background technique

Motorcycle is the very common vehicles, and exhaust pipe is the important component of motorcycle, existing motorcycle In the process of moving, exhaust pipe can generate biggish noise, cause the comfort of driving lower in this way and generate noise pollution, because This motorcycle sound-deadening and noise-reducing device is operated and is given birth to, and motorcycle noise reducing device is that a kind of permission air-flow passes through the noise reduced device that declines.

The exhaust tube of existing motorcycle engine is to connect a damping cylinder in outer cylinder inner sleeve, is connected to tail pipe in outer cylinder end, By damping the cooperation of cylinder and outer cylinder, the noise generated when can suitably weaken engine exhaust emission, but the high temperature of engine Exhaust gas enters silencer through exhaust pipe with high speed, since silencer buffering route is short, causes noise reduction effect poor, noise is big, eliminates the noise Device noise reduction effect is undesirable.

So proposing a kind of motor exhaust pipe for vehicle denoising device, solve the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of motor exhaust pipe for vehicle denoising device, has slow The advantages that washing pipe road length, buffering pipe diversification and multiple acoustic material realize multiple noise reduction, it is poor to solve noise reduction effect, noise Big problem.

(2) technical solution

To realize that above-mentioned separator tube road length, buffering pipe diversification and multiple acoustic material realize multiple noise reduction purpose, this Utility model provides the following technical solutions：A kind of motor exhaust pipe for vehicle denoising device, including fixed device, the fixed device Side be fixedly connected with exhaust tube, the other side of the fixed device is fixedly connected with connecting sleeve, and the connecting sleeve is remote Side from fixed device is fixedly connected with the first noise reduction chamber, and first noise reduction chamber is internally provided with the first gas-guide tube, institute The one end for stating the first gas-guide tube is fixedly connected on the inside of exhaust tube, and the other end of first gas-guide tube is fixedly connected with second Gas-guide tube, second gas-guide tube are set to the inside of the second noise reduction chamber, second gas-guide tube far from the first gas-guide tube one End is fixedly connected with air inlet pipe, and the air inlet pipe is fixedly connected on the bottom end inside third noise reduction chamber, the top of the air inlet pipe It is fixedly connected with third gas-guide tube, the third noise reduction chamber is fixedly connected with exhaust pipe far from the side of the second noise reduction chamber.

Preferably, the fixed device includes：First fixed ring, fixed sleeving, the second fixed ring and rotation button, described The inner wall of one fixed ring is fixedly connected with connecting sleeve, and the outer surface of first fixed ring is fixedly connected with fixed sleeving, institute It states fixed sleeving and is fixedly connected with the second fixed ring far from one end of the first fixed ring, the inner wall of second fixed ring is fixed to be connected It is connected to exhaust tube, the outer surface of second fixed ring is fixedly connected with rotation button, and the inner wall of the connecting sleeve is provided with anti- Skidding.

Preferably, first noise reduction chamber is internally provided with the first noise reduction layer, the inside setting of second noise reduction chamber There is the second noise reduction layer, the third noise reduction chamber is internally provided with third noise reduction layer.

Preferably, the first gas-guide tube is bend pipe, and the second gas-guide tube is S type bend pipe, and the quantity of the third gas-guide tube is five A, the outer surface of the third gas-guide tube offers several holes.

Preferably, the material of first noise reduction layer is foam glass, and the material of second noise reduction layer is phenol formaldehyde foam Plastics, the material of the third noise reduction layer are silencing cotton.

Preferably, the air inlet pipe is fixedly connected with sealing cover far from one end of the second gas-guide tube.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of motor exhaust pipe for vehicle denoising device, and having following has Beneficial effect：

1, the motor exhaust pipe for vehicle denoising device, passes through the first gas-guide tube, the second gas-guide tube, air inlet pipe and third air guide The tail gas that exhaust tube is discharged in pipe is buffered or is dispersed, and so that tail gas is haved the function that multiple deceleration, and then make tail gas from exhaust Speed when pipe is arranged to air reduces；Tail gas is carried out by the first noise reduction layer, the second noise reduction layer and third noise reduction layer further Buffering or dispersion, impact force when low speed tail gas is arranged from exhaust pipe to air reduces, and then achievees the purpose that noise reduction.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model fixture structure schematic diagram；

Fig. 3 is the utility model third noise reduction chamber side view.

In figure：1 fixed device, 2 exhaust tubes, 3 connecting sleeves, 4 first noise reduction chambers, 5 first gas-guide tubes, 6 second gas-guide tubes, 7 second noise reduction chambers, 8 air inlet pipe, 9 third noise reduction chambers, 10 third gas-guide tubes, 11 exhaust pipes, 12 first fixed rings, 13 fixing sleeves Pipe, 14 second fixed rings, 15 rotation buttons, 16 non-slip mats, 17 first noise reduction layers, 18 second noise reduction layers, 19 third noise reduction layers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution：A kind of motor exhaust pipe for vehicle denoising device, packet Fixed device 1 is included, fixed device 1 includes：First fixed ring 12, fixed sleeving 13, the second fixed ring 14 and rotation button 15, first The inner wall of fixed ring 12 is fixedly connected with connecting sleeve 3, and the outer surface of the first fixed ring 12 is fixedly connected with fixed sleeving 13, Gu Determine casing 13 and be fixedly connected with the second fixed ring 14 far from one end of the first fixed ring 12, the inner wall of the second fixed ring 14 is fixed to be connected It is connected to exhaust tube 2, the inner wall of fixed ring 14 is provided with non-slip mat 16, and the outer surface of the second fixed ring 14 is fixedly connected with rotation button 15, twisting rotation button 15 can be such that fixed ring 14 reduces, and then keep the connection of connecting sleeve 3 and exhaust tube 2 more firm, fixed dress The side for setting 1 is fixedly connected with exhaust tube 2, and the other side of fixed device 1 is fixedly connected with connecting sleeve 3, connecting sleeve 3 it is interior Wall is provided with non-slip mat 16, and non-slip mat 16 can effectively increase the frictional force between connecting sleeve 3 and exhaust tube 2, play anti-skidding Effect, connecting sleeve 3 is fixedly connected with the first noise reduction chamber 4 far from the side of fixed device 1, and the inside of the first noise reduction chamber 4 is set It is equipped with the first noise reduction layer 17, the material of the first noise reduction layer 17 is foam glass, and foam glass plays the temperature and drop for reducing tail gas The purpose made an uproar, the first noise reduction chamber 4 are internally provided with the first gas-guide tube 5, and the first gas-guide tube 5 is bend pipe, and the design of bend pipe can be delayed The impact force of tail gas is rushed, one end of the first gas-guide tube 5 is fixedly connected on the inside of exhaust tube 2, and the other end of the first gas-guide tube 5 is solid Surely it is connected with the second gas-guide tube 6, the second gas-guide tube 6 is S type bend pipe, and tail gas passes through in S type bend pipe, reduces speed, second leads Tracheae 6 is set to the inside of the second noise reduction chamber 7, and the second noise reduction chamber 7 is internally provided with the second noise reduction layer 18, the second noise reduction layer 18 Material be phenolic foam, phenolic foam can play drop bottom tail gas temperature and noise reduction purpose, the second gas-guide tube 6 One end far from the first gas-guide tube 5 is fixedly connected with air inlet pipe 8, and air inlet pipe 8 is fixedly connected with far from one end of the second gas-guide tube 6 Sealing cover 20, air inlet pipe 8 are fixedly connected on the bottom end inside third noise reduction chamber 9, and the top of air inlet pipe 8 is fixedly connected with third and leads Tracheae 10, the quantity of third gas-guide tube 10 are five, and the outer surface of third gas-guide tube 10 offers several holes, and tail gas is from netted Third gas-guide tube 10 to multi-faceted diverging, further decrease the speed of service and temperature of tail gas, the inside of third noise reduction chamber 9 is set It is equipped with third noise reduction layer 19, the material of third noise reduction layer 19 is silencing cotton, side of the third noise reduction chamber 9 far from the second noise reduction chamber 7 It is fixedly connected with exhaust pipe 11.

When in use, which is attached to the outer surface of exhaust tube 2, the first gas-guide tube 5 be fixedly connected and in Exhaust tube 2 rotates rotation button 15, the second fixed ring 14 is made to be fixedly connected on the outer surface of exhaust tube 2.

To sum up, the motor exhaust pipe for vehicle denoising device passes through the first gas-guide tube 5, the second gas-guide tube 6, air inlet pipe 8 and The buffering or dispersion for the tail gas that exhaust tube 2 is discharged in three gas-guide tubes 10, make tail gas have the function that multiple deceleration, and then make tail gas Speed when from from 11 row of exhaust pipe to air reduces；It is right by the first noise reduction layer 17, the second noise reduction layer 18 and third noise reduction layer 19 The further buffering of tail gas or dispersion, impact force when low speed tail gas is from 11 row of exhaust pipe to air reduces, and then reaches noise reduction Purpose.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of motor exhaust pipe for vehicle denoising device, including it is fixed device (1), it is characterised in that：The fixed device (1) Side is fixedly connected with exhaust tube (2), and the other side of the fixed device (1) is fixedly connected with connecting sleeve (3), the connection Casing (3) is fixedly connected with the first noise reduction chamber (4) far from the side of fixed device (1), and the inside of first noise reduction chamber (4) is set It is equipped with the first gas-guide tube (5), one end of first gas-guide tube (5) is fixedly connected on the inside of exhaust tube (2), and described first leads The other end of tracheae (5) is fixedly connected with the second gas-guide tube (6), and second gas-guide tube (6) is set to the second noise reduction chamber (7) Inside, second gas-guide tube (6) are fixedly connected with air inlet pipe (8), the air inlet pipe far from the one end of the first gas-guide tube (5) (8) it is fixedly connected on the internal bottom end of third noise reduction chamber (9), is fixedly connected with third gas-guide tube at the top of the air inlet pipe (8) (10), the third noise reduction chamber (9) is fixedly connected with exhaust pipe (11) far from the side of the second noise reduction chamber (7).

2. a kind of motor exhaust pipe for vehicle denoising device according to claim 1, it is characterised in that：The fixed device (1) include：First fixed ring (12), fixed sleeving (13), the second fixed ring (14) and rotation button (15), first fixed ring (12) inner wall is fixedly connected with connecting sleeve (3), and the outer surface of first fixed ring (12) is fixedly connected with fixed sleeving (13), the fixed sleeving (13) is fixedly connected with the second fixed ring (14) far from the one end of the first fixed ring (12), and described the The inner wall of two fixed rings (14) is fixedly connected with exhaust tube (2), and the outer surface of second fixed ring (14) is fixedly connected with rotation The inner wall of turn-button (15), the connecting sleeve (3) is provided with non-slip mat (16).

3. a kind of motor exhaust pipe for vehicle denoising device according to claim 1, it is characterised in that：First noise reduction chamber (4) be internally provided with the first noise reduction layer (17), second noise reduction chamber (7) is internally provided with the second noise reduction layer (18), institute That states third noise reduction chamber (9) is internally provided with third noise reduction layer (19).

4. a kind of motor exhaust pipe for vehicle denoising device according to claim 1, it is characterised in that：First gas-guide tube (5) For bend pipe, the second gas-guide tube (6) is S type bend pipe, and the quantity of the third gas-guide tube (10) is five, the third gas-guide tube (10) outer surface offers several holes.

5. a kind of motor exhaust pipe for vehicle denoising device according to claim 3, it is characterised in that：First noise reduction layer (17) material is foam glass, and the material of second noise reduction layer (18) is phenolic foam, the third noise reduction layer (19) material is silencing cotton.

6. a kind of motor exhaust pipe for vehicle denoising device according to claim 1, it is characterised in that：The air inlet pipe (8) One end far from the second gas-guide tube (6) is fixedly connected with sealing cover (20).