CN209413975U

CN209413975U - A kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor

Info

Publication number: CN209413975U
Application number: CN201821682887.7U
Authority: CN
Inventors: 徐彩霞
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2019-09-20
Anticipated expiration: 2028-10-17

Abstract

The utility model relates to a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor, including downtake pipe and second exhaust pipe, the downtake pipe is used with second exhaust pipe and is threadedly coupled.The anti-scald exhaust pipe of the automobile-used good muffling effect of the motor facilitates the maintenance and maintenance of device, realizes the convenient purpose of installation and removal by the way that multiple screw threads, fixed block and screw is arranged；By being socketed the first noise reduction external member, the second noise reduction external member and third noise reduction external member and the 4th noise reduction external member in the inside of casing, is conducive to disassembly and maintenance and multi-level noise reduction, realizes the purpose convenient for maintenance and good muffling effect；By setting protective cover and ventilation hole, be conducive to that the heat-insulated of exhaust pipe and heat dissipation are avoided the problem of traditional protection cover influences exhaust pipe heat dissipation, realize the good purpose of anti-scald effect.

Description

A kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor

Technical field

The present invention relates to motorcycle processing technique field, the anti-scald of specially a kind of automobile-used good muffling effect of motor is vented Pipe.

Background technique

Motorcycle is the very common vehicles, and exhaust pipe is the important component of motorcycle, traditional motorcycle In the process of moving, exhaust pipe can generate biggish noise, cause the comfort of driving lower in this way, and generate noise dirt Dye, thus the operation of motorcycle sound-deadening and noise-reducing device and give birth to, motorcycle noise reducing device is that a kind of permission air-flow passes through and declines noise reduced Device.There are problems for existing motorcycle silencer, such as the problem that erasure effect is bad and disassembly is inconvenient.In motorcycle In use process, as the time that motorcycle uses increases, the temperature of exhaust pipe can be higher and higher, and the exhaust pipe of high temperature is sometimes The leg of bicyclist is scalded, especially when parking when thigh support, and the method for existing anti-scald is mostly to arrange A shield is socketed outside inflator, and these shields may will affect the heat dissipation of exhaust tube, and then influence the work of engine Make.

It is therefore proposed that a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor solves problem above.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, the present invention provides a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor, Have the advantages that installation and removal facilitate, are convenient for maintenance, good muffling effect and anti-scald effect are good, solves conventional exhaust pipe and disappear Sound is ineffective and the bad problem of anti-scald effect.

(2) technical solution

To realize that above-mentioned installation and removal are convenient, being convenient for maintenance, good muffling effect and the good purpose of anti-scald effect, the present invention It provides the following technical solutions: a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor, including downtake pipe and second row Tracheae, the outer surface on the right side of the downtake pipe offer the first external screw thread, and the inner surface on the left of the second exhaust pipe is opened Equipped with the first internal screw thread compatible with the first external screw thread, first external screw thread and the first internal screw thread are threadedly coupled, and described the The right side opening of one exhaust pipe is equipped with first through hole, and the downtake pipe is internally provided with helix tube, and the one of the helix tube End is fixedly connected on engine, and the other end of the helix tube runs through the inside of first through hole, the inside of the downtake pipe It is provided with silencing cotton, the silencing cotton is set to the outer surface of helix tube, and the inside of the second exhaust pipe is socketed with casing, institute State second exhaust pipe and offer the second external screw thread far from the outer surface of the first internal screw thread side, the right side opening of described sleeve pipe be equipped with Compatible second internal screw thread of second external screw thread, second external screw thread and the second internal screw thread are threadedly coupled, described sleeve pipe it is interior Portion is successively set with the 4th acoustic element of the first noise reduction external member, the second noise reduction external member and third noise reduction external member, the third from right to left Acoustic element includes the barrier ring being arranged in inside described sleeve pipe, and the barrier ring and described sleeve pipe are tightly connected, the barrier ring It is provided with the ventilation sleeve that axis is overlapped with casing axis in inner hole, is provided with multiple subtract from left to right in the ventilation sleeve Shake mass block and damping elastomer piece, wherein the vibration damping quality block by being disposed thereon, the spring at lower both ends and the ventilation Internal surface of sleeve pipe elastic connection, the spring and the damping elastomer piece are successively spaced setting, the row of being provided on the right side of described sleeve pipe Port.

Preferably, fixation is provided at the top and bottom of the downtake pipe, second exhaust pipe and bushing outer surface Block, the inside of the fixed block offer the first screw hole, and the outer surface of the downtake pipe and second exhaust pipe is set with Protective cover, the outer surface of the protective cover offer the second screw hole compatible with the first screw hole, first screw hole It is connected with screw with the internal whorl of the second screw hole, the protective cover is internally provided with ventilation hole.

Preferably, the first noise reduction external member includes the first air inlet, and the inside of first air inlet is socketed with snakelike Pipeline, for the other end of the snake pipe through the inside of exhaust outlet, the first noise reduction external member is internally provided with phenolic aldehyde Foamed plastics, the phenolic foam are located at the outer surface of snake pipe.

Preferably, the second noise reduction external member is internally provided with several stalloys, and the stalloy is perpendicular and not Rule compositor.

Preferably, the third noise reduction external member includes the second air inlet, and the outer surface of second air inlet is through the The inside of the inside of one through-hole, second air inlet is socketed with helix tube.

Preferably, the inner vertical direction of second air inlet is provided with several baffles, and the inside of the baffle opens up There are several second through-holes, second through-hole is irregular arrangement and through-hole of different sizes.

(3) beneficial effect

Compared with prior art, the present invention provides a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor, have Below the utility model has the advantages that

1, the anti-scald exhaust pipe of the automobile-used good muffling effect of the motor passes through the first external screw thread of setting, the first internal screw thread, the Two external screw threads, the second internal screw thread, fixed block and screw are conducive to quickly mount and dismount, facilitate device maintenance and Maintenance realizes the convenient purpose of installation and removal.

2, the anti-scald exhaust pipe of the automobile-used good muffling effect of the motor, by being socketed the first noise reduction set in the inside of casing Part, the second noise reduction external member and third noise reduction external member and the 4th noise reduction external member are conducive to dismantle and maintain, be conducive to disappear at many levels Sound avoids the single noise reduction layer of conventional muffler and problem not easy to disassemble, realizes the mesh convenient for maintenance and good muffling effect 's；By the setting stalloy inside the second noise reduction external member, tail gas and stalloy contact achieve the purpose that noise reduction of resonating；It is logical The baffle that there are multiple irregular second through-holes in the setting of the inside of the first noise reduction external member is crossed, the purpose for weakening noise is realized.

3, the anti-scald exhaust pipe of the automobile-used good muffling effect of the motor, by the way that protective cover is arranged, and in the inside of protective cover Ventilation hole is set, is conducive to avoid the problem of traditional protection cover influences exhaust pipe heat dissipation to the heat-insulated of exhaust pipe and heat dissipation, it is real The good purpose of anti-scald effect is showed.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention；

Fig. 2 is casing schematic cross-sectional view of the present invention；

Fig. 3 is protective cover side structure schematic view of the present invention；

Fig. 4 is baffle arrangement schematic diagram of the present invention.

In figure: 1 downtake pipe, 2 second exhaust pipes, 3 first external screw threads, 4 first internal screw threads, 5 first through hole, 6 spirals Pipe, 7 silencing cottons, 8 casings, 9 second external screw threads, 10 second internal screw threads, 11 first noise reduction external members, 12 second noise reduction external members, 13 Four noise reduction external members, 14 exhaust outlets, 15 fixed blocks, 16 first screw holes, 17 protective covers, 18 second screw holes, 19 screws, 20 lead to Air holes, 21 first air inlets, 22 snake pipes, 23 phenolic foams, 24 stalloys, 25 second air inlets, 26 baffles, 27 Two through-holes, 28 barrier rings, 29 damping elastomer pieces, 30 ventilation sleeves, 31 vibration damping quality blocks, 32 springs, 33 thirds Noise reduction external member.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The present invention provides a kind of technical solution referring to FIG. 1 to FIG. 4: a kind of anti-scald of the automobile-used good muffling effect of motor The outer surface of exhaust pipe, including downtake pipe 1 and second exhaust pipe 2,1 right side of downtake pipe offers the first external screw thread 3, The inner surface in the left side of second exhaust pipe 2 offers first internal screw thread 4 compatible with the first external screw thread 3, the first external screw thread 3 and the One internal screw thread 4 is threadedly coupled, and the right side opening of downtake pipe 1 is equipped with first through hole 5, and through-hole 5 passes through convenient for tail gas, first row Tracheae 1 is internally provided with helix tube 6, and one end of helix tube 6 is fixedly connected on engine, and the other end of helix tube 6 is through the The inside of one through-hole 5, downtake pipe 1 are internally provided with silencing cotton 7, and silencing cotton 7 is set to the outer surface of helix tube 6, spiral shell Coil 6 increases range ability of the tail gas in exhaust pipe, and then increases runing time, and tail gas can maximumlly and silencing cotton 7 contacts, achieve the purpose that noise reduction, the inside of second exhaust pipe 2 is socketed with casing 8, and second exhaust pipe 2 is far from the first internal screw thread 4 The outer surface of side offers the second external screw thread 9, and the right side opening of casing 8 is equipped with and spiral shell in the second external screw thread 9 compatible second Line 10, the second external screw thread 9 and the second internal screw thread 10 are threadedly coupled, and the inside of casing 8 is successively set with the first noise reduction set from right to left Part 11, the second noise reduction external member 12 and third noise reduction external member 33 and the 4th noise reduction external member 13, the first noise reduction external member 11, the second noise reduction set The inside of casing 8 is arranged in part 12 and third noise reduction external member 13, and convenient for taking out maintenance or replacement, the first noise reduction external member 11 includes the One air inlet 21, the inside of the first air inlet 21 are socketed with snake pipe 22, and snake pipe 22 can increase the range ability of tail gas And the time, for the other end of snake pipe 22 through the inside of exhaust outlet 14, the first noise reduction external member 11 is internally provided with phenolic aldehyde Foamed plastics 23, phenolic foam 23 have good erasure effect, and phenolic foam 23 is located at the outer of snake pipe 22 Surface, the second noise reduction external member 12 are internally provided with several stalloys 24, when tail gas and the contact of stalloy 24,24 meeting of stalloy It vibrates, when reaching certain vibration frequency, the purpose of resonance noise reduction can be played, stalloy 24 is perpendicular and irregular row Sequence；Third acoustic element 33 includes the barrier ring 28 being arranged in inside described sleeve pipe 8, and the barrier ring 28 is sealed with described sleeve pipe 8 It connects, the ventilation sleeve 30 that axis is overlapped with 8 axis of casing is provided in 28 inner hole of barrier ring, in the ventilation sleeve 30 It is inside provided with multiple vibration damping quality blocks 31 and damping elastomer piece 29 from left to right, wherein the vibration damping quality block 31 passes through setting On it, the spring 32 at lower both ends and the 30 inner wall elastic connection of ventilation casing, the spring 32 and the damping elastomer piece 29 successively interval settings.Wherein, after the second through-hole 27 that tail gas passes through baffle 26, since its flowing space becomes larger, can suitably subtract Speed, and enter by the inner wall of casing 8,28 left side of isolation ring, the cavity that is surrounded of ventilation 30 outer wall of sleeve, when by the cavity After being full of, tail gas start accelerate by ventilation sleeve 30 inner hole, damping block tail gas by when can occur vibrate up and down The kinetic energy of tail gas is converted to the mechanical energy of damping block, meanwhile, side-to-side vibrations can occur tail gas stream is out-of-date for damping elastomer piece.It is logical Cross setting vibration damping quality block and damping elastomer piece, allow tail gas by when the kinetic energy of tail gas is converted into vibration damping quality block With the mechanical energy of damping elastomer piece, and then reduce tail gas energy.Third noise reduction external member 13 includes the second air inlet 25, the second air inlet Through the inside of first through hole 5, the inside of the second air inlet 25 is socketed with helix tube 6, the second air inlet for the outer surface of mouth 25 25 inner vertical direction is provided with several baffles 26, and the inside of baffle 26 offers several second through-holes 27, the second through-hole 27 Irregularly to arrange and the inside of through-hole baffle 26 of different sizes opens up the second through-hole 27, reach the mesh for weakening tail gas speed , the right side of casing 8 is provided with exhaust outlet 14, the top and bottom of 8 outer surface of downtake pipe 1, second exhaust pipe 2 and casing It is provided with fixed block 15, the inside of fixed block 15 offers the first screw hole 16, downtake pipe 1 and second exhaust pipe 2 Outer surface is set with protective cover 17, and the outer surface of protective cover 17 offers second screw hole compatible with the first screw hole 16 18, the internal whorl of the first screw hole 16 and the second screw hole 18 is connected with screw 19, and being internally provided with for protective cover 17 is logical Air holes 20.

When in use, second exhaust pipe 2 and casing 8 are threadedly coupled, the first noise reduction external member 11, the second noise reduction external member 12 It is sequentially placed the inside of casing 8 with third noise reduction external member 13, then second exhaust pipe 2 and downtake pipe 1 are threadedly coupled, Protective cover 17 is connected by screw 19 and fixed block 15.

In conclusion the anti-scald exhaust pipe of the automobile-used good muffling effect of the motor, by the way that the first external screw thread 3, first is arranged Internal screw thread 4, the second external screw thread 9, the second internal screw thread 10, fixed block 15 and screw 19, are conducive to quickly mount and dismount, side Device maintenance and maintenance, realize the convenient purpose of installation and removal；By being socketed the first noise reduction in the inside of casing 8 External member 11, the second noise reduction external member 12 and third noise reduction external member 33 and the 4th noise reduction external member 13 are conducive to dismantle and maintain, be conducive to Multi-level noise reduction avoids the single noise reduction layer of conventional muffler and problem not easy to disassemble, realizes convenient for maintenance and noise reduction effect The good purpose of fruit；By the setting stalloy 24 inside the second noise reduction external member 12, tail gas and stalloy 24 are contacted, and reach resonance The purpose of noise reduction；It is real by having the baffle 26 of multiple irregular second through-holes 27 in the setting of the inside of the first noise reduction external member 11 The purpose for weakening noise is showed；Ventilation hole 20 is set by the way that protective cover 17 is arranged, and in the inside of protective cover 17, is conducive to row The heat-insulated and heat dissipation of tracheae, avoids the problem of traditional protection cover influences exhaust pipe heat dissipation, realizes the good mesh of anti-scald effect 's.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor, including downtake pipe (1) and second exhaust pipe (2), It is characterized by: the outer surface on the right side of the downtake pipe (1) offers the first external screw thread (3), the second exhaust pipe (2) The inner surface in left side offers compatible first internal screw thread (4) with the first external screw thread (3), the right side of the downtake pipe (1) Side offers first through hole (5), and the downtake pipe (1) is internally provided with helix tube (6), and the one of the helix tube (6) End is fixedly connected on engine, and the other end of the helix tube (6) runs through the inside of first through hole (5), the downtake pipe (1) be internally provided with silencing cotton (7), the silencing cotton (7) is set to the outer surface of helix tube (6), the second exhaust pipe (2) inside is socketed with casing (8), and the second exhaust pipe (2) offers the far from the outer surface of the first internal screw thread (4) side Two external screw threads (9), the right side opening of described sleeve pipe (8) is equipped with the second external screw thread (9) compatible second internal screw thread (10), described The inside of casing (8) is successively set with the first noise reduction external member (11), the second noise reduction external member (12) and third noise reduction external member from right to left (33) and the 4th acoustic element (13), the third acoustic element barrier ring (28) internal in described sleeve pipe (8) including setting are described Barrier ring (28) and described sleeve pipe (8) are tightly connected, and are provided with axis and casing (8) axis weight in barrier ring (28) inner hole The ventilation sleeve (30) of conjunction is provided with multiple vibration damping quality blocks (31) and vibration damping bullet in the ventilation sleeve (30) from left to right Property piece (29), wherein the vibration damping quality block (31) by being disposed thereon, the spring at lower both ends (32) and the ventilation sleeve (30) inner wall elastic connection, the spring (32) and the damping elastomer piece (29) are successively spaced setting, the right side of described sleeve pipe (8) Side is provided with exhaust outlet (14).

2. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor according to claim 1, it is characterised in that: described It is provided with fixed block (15) at the top and bottom of downtake pipe (1), second exhaust pipe (2) and casing (8) outer surface, it is described The inside of fixed block (15) offers the first screw hole (16), the outer surface of the downtake pipe (1) and second exhaust pipe (2) It is set with protective cover (17), the outer surface of the protective cover (17) offers compatible second screw with the first screw hole (16) The internal whorl of hole (18), first screw hole (16) and the second screw hole (18) is connected with screw (19), the protection Cover (17) is internally provided with ventilation hole (20).

3. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor according to claim 1, it is characterised in that: described First noise reduction external member (11) includes the first air inlet (21), and the inside of first air inlet (21) is socketed with snake pipe (22), the other end of the snake pipe (22) through exhaust outlet (14) inside, the first noise reduction external member (11) it is interior Portion is provided with phenolic foam (23), and the phenolic foam (23) is located at the outer surface of snake pipe (22).

4. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor according to claim 1, it is characterised in that: described Second noise reduction external member (12) is internally provided with several stalloys (24), and the stalloy (24) is perpendicular and irregular row Sequence.

5. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor according to claim 1, it is characterised in that: described Third noise reduction external member (33) includes the second air inlet (25), and the outer surface of second air inlet (25) is through first through hole (5) inside of inside, second air inlet (25) is socketed with helix tube (6).

6. a kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor according to claim 5, it is characterised in that: described The inner vertical direction of second air inlet (25) is provided with several baffles (26), and the inside of the baffle (26) offers several Two through-holes (27), second through-hole (27) are irregular arrangement and through-hole of different sizes.