CN218816596U - Low-noise motorcycle silencer - Google Patents

Low-noise motorcycle silencer Download PDF

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Publication number
CN218816596U
CN218816596U CN202320066694.3U CN202320066694U CN218816596U CN 218816596 U CN218816596 U CN 218816596U CN 202320066694 U CN202320066694 U CN 202320066694U CN 218816596 U CN218816596 U CN 218816596U
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China
Prior art keywords
shell body
silencing
hole
pipe
seted
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Active
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CN202320066694.3U
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Chinese (zh)
Inventor
李志超
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Dongguan Qifeng Muffler Co ltd
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Dongguan Qifeng Muffler Co ltd
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Priority to CN202320066694.3U priority Critical patent/CN218816596U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The utility model relates to a motorcycle production technical field, and a low noise motorcycle silencer is disclosed, exhaust shell body one side fixedly connected with shell body that admits air, the shell body that admits air keeps away from the oval pipe of exhaust shell body one side fixedly connected with, oval pipe keeps away from shell body one side fixedly connected with intake pipe of admitting air, the shell body that admits air keeps away from the equal fixedly connected with go-between in shell body one side middle part fixedly connected with of admitting air, the equal fixedly connected with go-between in the adjacent side surface edge of shell body that admits air of exhaust shell body and the shell body that admits air, the shell body that admits air and the inside fixed amortization shell body that has cup jointed of amortization, fixedly connected with silencing device in the amortization shell body, the exhaust shell body is close to blast pipe one side middle part and has seted up the exhaust hole, the exhaust shell body is close to shell body one side middle part of admitting air and has seted up the cavity of admitting air, oval cavity has been seted up at shell body both sides middle part of admitting air, intake pipe central point has seted up the air inlet.

Description

Low-noise motorcycle silencer
Technical Field
The utility model relates to a motorcycle production technical field, more specifically relate to a low noise motorcycle silencer.
Background
The motorcycle is a common vehicle, and mainly uses engine power to drive a front wheel and a rear wheel to rotate. A muffler is a device that allows airflow to pass through while attenuating noise. Motorcycles produce a large amount of noise during running, and a muffler is generally provided to reduce the noise.
The existing motorcycle silencer mainly comprises a shell, a sound absorption filler, an exhaust pipe and the like, the effect of reducing noise can be achieved in the using process, but in the actual use, the noise reduction effect is not particularly good only through a sound absorption material, the noise can still be large, the disassembly is also very inconvenient after the silencer is used for a long time, and the problem is solved by the industry.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the utility model provides a low noise motorcycle silencer to solve the problem that exists among the above-mentioned background art.
The utility model provides a following technical scheme: a low-noise motorcycle silencer is characterized in that an air inlet outer shell is fixedly connected to one side of an exhaust outer shell, an elliptical duct is fixedly connected to one side, away from the exhaust outer shell, of the air inlet outer shell, an air inlet pipe is fixedly connected to one side, away from the air inlet outer shell, of the exhaust outer shell, an exhaust pipe is fixedly connected to the middle of one side, away from the air inlet outer shell, of the exhaust outer shell, connecting rings are fixedly connected to the edges of the adjacent side surfaces of the exhaust outer shell and the air inlet outer shell, silencing cotton is fixedly sleeved inside the exhaust outer shell and the air inlet outer shell, silencing outer shells are fixedly sleeved inside the silencing cotton, and silencing devices are fixedly connected inside the silencing outer shells;
further, the middle part of one side, close to the exhaust pipe, of the exhaust shell body is provided with an exhaust hole, the middle part of one side, close to the air inlet shell body, of the exhaust shell body is provided with an exhaust cavity, the middle parts of two sides of the air inlet shell body are provided with air inlet cavities, the middle parts of two sides of the elliptical guide pipe are provided with elliptical cavities, and the central position of the air inlet pipe is provided with an air inlet.
Furthermore, the connecting ring is provided with fixing holes which are uniformly distributed on two sides, a shell fixing bolt is fixedly connected in each fixing hole, and a shell fixing nut is fixedly sleeved on the surface of one side of each shell fixing bolt.
Furthermore, the unequal circular through-holes of quantity are seted up to fixed connection knot one end, the circular hole has been seted up to the fixed connection knot other end, the circular hole internal fixation has cup jointed the screw bolt, the fixed cover in screw bolt one end surface has connect the screw nut.
Further, the amortization shell body is close to blast pipe one side middle part and has been seted up the round hole, amortization shell body opposite side edge has been seted up the circular port, amortization shell body inside is close to round hole one end fixedly connected with third baffle, amortization shell body inside middle part fixedly connected with second baffle of position, amortization shell body inside is close to the first baffle of circular port one side fixedly connected with.
Furthermore, the third baffle of the inside fixed connection of amortization shell body is close to the round hole position and has seted up first cavity, the third baffle of the inside fixed connection of amortization shell body is close to the second baffle position and has seted up the second cavity, the second baffle of the inside fixed connection of amortization shell body is close to the first baffle position and has seted up the third cavity, the first baffle of the inside fixed connection of amortization shell body is close to the circular hole position that the amortization shell body was seted up and has seted up the fourth cavity.
Furthermore, the silencer comprises a first partition plate, a connecting hole is formed in the surface of the first partition plate, connecting through holes are formed in the surface of the second partition plate, and connecting holes with different numbers are formed in the surface of the third partition plate.
Further, the fixed amortization pipe and the amortization pipe of having cup jointed in the connecting hole that first baffle surface was seted up is kept away from first baffle one end fixed surface and is cup jointed in the circular hole of seting up on one side of the amortization shell body, the amortization pipe is close to first baffle one end surface and has seted up the unequal sound outlet of quantity, the fixed amortization long tube that has cup jointed in the connecting hole that the amortization shell body was seted up at the connecting hole that first baffle middle part was seted up, first baffle one end fixed surface is kept away from to the amortization long tube and cup joints in the round hole that the amortization shell body was seted up, and the amortization long tube passes through the connect hole and the connect hole that second baffle and third baffle middle part were seted up, the amortization long tube is close to first baffle one end surface and has seted up the unequal sound transmission hole of quantity, the connect that the fixed cup joints in amortization pipe was kept away from to the connecting hole that first baffle one end fixed surface was cup jointed at the second baffle was seted up on one side surface of third baffle, the sound transmission tube is close to the first baffle side surface and has seted up the unequal sound transmission hole, the connect cup joint of the pipe, the connecting hole internal fixation of third baffle is kept away from the amortization short pipe.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with the guide of silencing device through sound and propagate, be favorable to sound to reach the effect of amortization in the transmission process gradual loss.
2. The utility model discloses a be equipped with soundproof cotton, be favorable to reducing the sound that silencing device failed the loss once more and come the noise abatement.
3. The utility model discloses a be equipped with the go-between, be convenient for follow-up maintenance of demolising when being favorable to fixed shell body.
4. The utility model discloses a be equipped with fixed connection and detain, convenience when being favorable to the installation reaches the effect of fixed muffler simultaneously.
Drawings
FIG. 1 is a schematic sectional view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic sectional view of the outer casing structure of the present invention;
fig. 4 is a schematic view of the connection ring structure of the present invention;
FIG. 5 is a schematic view of the fixing fastener of the present invention;
FIG. 6 is a schematic sectional view of the muffler device of the present invention;
FIG. 7 is a schematic sectional view of the structure of the sound-damping housing of the present invention;
fig. 8 is a schematic view of the structure of the silencing tube of the present invention.
The reference signs are: 1. an exhaust outer casing; 101. an exhaust cavity; 102. an exhaust hole; 2. an air intake outer housing; 201. an air intake cavity; 3. an elliptical duct; 301. an elliptical cavity; 4. an air inlet pipe; 401. an air inlet; 5. an exhaust pipe; 6. silencing cotton; 7. a sound-deadening outer shell; 701. a first cavity; 702. a second cavity; 703. a third cavity; 704. a fourth cavity; 705. a circular hole; 706. a circular hole; 8. a connecting ring; 801. a fixing hole; 9. fixing the connecting buckle; 901. a circular through hole; 902. a circular hole; 10. a silencer device; 11. a housing securing latch; 1101. a housing fixing nut; 12. a threaded bolt; 1201. a screw nut; 13. a first separator; 1301. connecting holes; 14. a second separator; 1401. a connecting through hole; 15. a third partition plate; 1501. a connecting hole; 16. a sound attenuation long tube; 1601. a long tube silencing hole; 17. a silencing tube; 1701. a sound outlet hole; 18. a sound transmission tube; 1801. a sound transmission hole; 19. a sound attenuation short pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and the forms of the structures described in the following embodiments are merely examples, and the low noise motorcycle muffler according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the present invention.
Referring to fig. 1-2, the utility model provides a low-noise motorcycle silencer, an air inlet outer shell 2 is fixedly connected to one side of an air outlet outer shell 1, an elliptical duct 3 is fixedly connected to one side of the air inlet outer shell 2 away from the air outlet outer shell 1, an air inlet pipe 4 is fixedly connected to one side of the elliptical duct 3 away from the air inlet outer shell 2, an exhaust pipe 5 is fixedly connected to the middle of one side of the air outlet outer shell 1 away from the air inlet outer shell 2, connecting rings 8 are fixedly connected to the surface edges of one adjacent side of the air outlet outer shell 1 and the air inlet outer shell 2, silencing cotton 6 is fixedly sleeved inside the air outlet outer shell 1 and the air inlet outer shell 2, silencing outer shell 7 is fixedly sleeved inside the silencing cotton 6, and silencing device 10 is fixedly connected inside the silencing outer shell 7;
referring to fig. 3, an exhaust hole 102 is formed in the middle of one side of the exhaust outer shell 1 close to the exhaust pipe 5, an exhaust cavity 101 is formed in the middle of one side of the exhaust outer shell 1 close to the intake outer shell 2, intake cavities 201 are formed in the middle of two sides of the intake outer shell 2, elliptical cavities 301 are formed in the middle of two sides of the elliptical duct 3, and an intake port 401 is formed in the center of the intake pipe 4.
Referring to fig. 4, fixing holes 801 are uniformly distributed on two sides of the connection ring 8, a housing fixing bolt 11 is fixedly connected in the fixing holes 801, and a housing fixing nut 1101 is fixedly sleeved on the surface of one side of the housing fixing bolt 11.
Referring to fig. 5, one end of the fixed connection buckle 9 is provided with circular through holes 901 with different numbers, the other end of the fixed connection buckle 9 is provided with a circular hole 902, a threaded bolt 12 is fixedly sleeved in the circular hole 902, and a threaded nut 1201 is fixedly sleeved on the surface of one end of the threaded bolt 12.
Referring to fig. 6 to 7, a circular hole 705 is formed in the middle of one side of the silencing outer shell 7 close to the exhaust pipe 5, a circular hole 706 is formed in the other side edge of the silencing outer shell 7, a third partition 15 is fixedly connected to one end of the silencing outer shell 7 close to the circular hole 705, a second partition 14 is fixedly connected to the middle of the inside of the silencing outer shell 7, and a first partition 13 is fixedly connected to one side of the silencing outer shell 7 close to the circular hole 706.
Referring to fig. 7, a first cavity 701 is formed at a position, close to a circular hole 705, of a third partition 15 fixedly connected inside the sound-deadening outer shell 7, a second cavity 702 is formed at a position, close to a second partition 14, of the third partition 15 fixedly connected inside the sound-deadening outer shell 7, a third cavity 703 is formed at a position, close to a first partition 13, of the second partition 14 fixedly connected inside the sound-deadening outer shell 7, and a fourth cavity 704 is formed at a position, close to a circular hole 706 formed in the sound-deadening outer shell 7, of the first partition 13 fixedly connected inside the sound-deadening outer shell 7.
Referring to fig. 6-7, the silencer 10 includes a first partition 13, a connecting hole 1301 is formed on a surface of the first partition 13, a connecting through hole 1401 is formed on a surface of the second partition 14, and connecting holes 1501 with different numbers are formed on a surface of the third partition 15.
Referring to fig. 7-8, a silencing pipe 17 is fixedly sleeved in a connecting hole 1301 formed in the surface of the first partition plate 13, a silencing hole 1701 is fixedly sleeved in a circular hole 706 formed in one side of the silencing outer shell 7 at one end of the silencing pipe 17 far away from the first partition plate 13, a silencing long pipe 16 is fixedly sleeved in a connecting hole 1301 formed in the middle of the first partition plate 13, one end of the silencing long pipe 16 far away from the first partition plate 13 is fixedly sleeved in a circular hole 705 formed in the silencing outer shell 7, the silencing long pipe 16 penetrates through a connecting through hole 1401 and a connecting hole 1501 formed in the middle of the second partition plate 14 and the third partition plate 15, a silencing long pipe silencing hole 1601 is formed in the surface of the long pipe 16 near the first partition plate 13, a sound transmitting pipe 18 is connected in one side of the connecting hole 1301 formed in the surface of the first partition plate 13 far away from the silencing pipe 17, the sound transmitting pipe 18 far away from the surface of the first partition plate 13 is fixedly sleeved in a connecting through hole 1401 formed in the second partition plate 14, a silencing short pipe 1801 is formed in one end of the sound transmitting pipe 18 far away from the silencing short pipe 701, and a silencing short pipe 15 is located in the connecting hole 701.
The utility model discloses a theory of operation:
when the silencer is installed and used, when the motorcycle is normally started, the motorcycle sound waves enter and are conducted into the elliptical cavity 301 formed in the elliptical duct 3 fixedly welded at the other end of the air inlet pipe 4 through the air inlet 401 formed in the middle of one end of the air inlet pipe 4 far away from the elliptical duct 3, the motorcycle sound waves are transmitted into the silencing pipe 17 fixedly sleeved in the circular hole 706 formed in one end of the silencing outer shell 7 close to the elliptical duct 3 through one side of the elliptical cavity 301 far away from the air inlet pipe 4, enter the silencing device 10, and enter the third cavity 703 formed in the silencing outer shell 7 through the sound outlet hole 1701 formed in the surface of one end of the silencing pipe 17 far away from the elliptical duct 3, at the moment, the sound enters the sound transmission pipe 18 through the sound transmission hole 1801 formed in the surface of one end of the sound transmission pipe 18 fixedly sleeved in the connecting hole 1301 formed in the first partition plate 13 in the third cavity 703, and is transmitted into the second cavity 702 from the other end of the sound transmission pipe 18, at this time, the sound waves are propagated in the second cavity 702, part of the sound enters the first cavity 701 formed in the silencing outer shell 7 through the silencing short pipe 19 fixedly sleeved in the connecting hole 1501 formed in the third partition 15, most of the sound is propagated into the third cavity 703 formed in the silencing outer shell 7 through the connecting through hole 1401 formed in the surface of the second cavity 702 close to the second partition 14, the sound enters the silencing long pipe 16 from the long pipe silencing hole 1601 fixedly sleeved in one end of the connecting hole 1301 formed in the first partition 13 in the third cavity 703 and is transmitted out through the round hole 705 formed in the silencing outer shell 7 from one end of the long pipe 16 far away from the first partition 13, at this time, the sound passes through the silencing device 10 fixedly installed in the silencing outer shell 7, and the energy of the sound is gradually reduced through the pipe and the partition arranged in the silencing device 10 to achieve the silencing effect, when the remaining sound energy is transmitted inside the silencing shell 7, the silencing cotton 6 fixedly sleeved on the surface of the silencing shell 7 can further isolate the sound again to achieve the effect of secondary silencing and noise reduction, the exhaust shell 1 is sleeved on the side, far away from the elliptical duct 3, of the surface of the silencing cotton 6, the air inlet shell 2 is sleeved on the surface of the side, close to the elliptical duct 3, of the side, a connection ring 8 is fixedly welded on the adjacent side edges of the exhaust shell 1 and the air inlet shell 2, the connection between the exhaust shell 1 and the air inlet shell 2 is completed through a shell fixing nut 1101 fixedly sleeved on one end of the shell fixing bolt 11 by a fixing hole 801 and a shell fixing bolt 11 fixedly sleeved in the fixing hole 801, which are formed around the connection ring 8, so that the whole silencing and noise reduction is completed through the above description when the whole motorcycle silencer is completely combined together, the fixed connection buckle 9 is sleeved on the surfaces of the exhaust shell 1 and the air inlet shell 2, and the fixed connection buckle 12 fixedly sleeved in the fixing hole 902, which is formed on the other end of the fixing buckle 9, so that the fixed connection buckle of the fixed connection buckle 9 and the silencer can be conveniently installed on the surface of the motorcycle, and the whole silencer can be more conveniently installed on the surface of the exhaust shell and the motorcycle.
And finally: the above description is only a preferred example of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A low noise motorcycle muffler includes an exhaust casing (1), characterized in that: the utility model discloses a silencing device, including exhaust shell body (1), shell body (2) admits air to exhaust shell body (1) one side fixedly connected with, shell body (2) admits air keeps away from exhaust shell body (1) one side fixedly connected with elliptical pipe (3), elliptical pipe (3) keep away from shell body (2) one side fixedly connected with intake pipe (4) admits air, exhaust shell body (1) keeps away from shell body (2) one side middle part fixedly connected with blast pipe (5) admits air, the equal fixedly connected with go-between (8) in the adjacent side surface edge of exhaust shell body (1) and shell body (2) admits air, the inside fixed cover of exhaust shell body (1) and shell body (2) that admits air has amortization cotton (6), the inside fixed cover of amortization cotton (6) has connect amortization shell body (7), fixedly connected with silencing device (10) in amortization shell body (7).
2. A low noise motorcycle muffler according to claim 1, wherein: exhaust shell (1) is close to blast pipe (5) one side middle part and has seted up exhaust hole (102), exhaust shell (1) is close to air intake shell (2) one side middle part and has seted up exhaust cavity (101), air intake cavity (201) have been seted up at air intake shell (2) both sides middle part, oval cavity (301) have been seted up at oval pipe (3) both sides middle part, air inlet (401) have been seted up to intake pipe (4) central point.
3. A low noise motorcycle muffler according to claim 1, wherein: the fixing holes (801) which are uniformly distributed are formed in the two sides of the connecting ring (8), the shell fixing bolt (11) is fixedly connected in the fixing holes (801), and a shell fixing nut (1101) is fixedly sleeved on the surface of one side of the shell fixing bolt (11).
4. A low noise motorcycle muffler according to claim 1, wherein: the connecting device is characterized by further comprising a fixed connecting buckle (9), wherein one end of the fixed connecting buckle (9) is provided with circular through holes (901) with different numbers, the other end of the fixed connecting buckle (9) is provided with a circular hole (902), a threaded bolt (12) is fixedly sleeved in the circular hole (902), and a threaded nut (1201) is fixedly sleeved on the surface of one end of the threaded bolt (12).
5. A low noise motorcycle muffler according to claim 1, wherein: amortization shell body (7) are close to blast pipe (5) one side middle part and have seted up round hole (705), round hole (706) have been seted up to amortization shell body (7) opposite side edge, amortization shell body (7) are inside to be close to round hole (705) one end fixedly connected with third baffle (15), amortization shell body (7) inside middle part fixedly connected with second baffle (14), amortization shell body (7) are inside to be close to the first baffle (13) of round hole (706) one side fixedly connected with.
6. A low noise motorcycle muffler according to claim 5, wherein: first cavity (701) has been seted up near round hole (705) position to third baffle (15) of the inside fixed connection of amortization shell body (7), second cavity (702) has been seted up near second baffle (14) position to third baffle (15) of the inside fixed connection of amortization shell body (7), third cavity (703) has been seted up near first baffle (13) position to second baffle (14) of the inside fixed connection of amortization shell body (7), fourth cavity (704) has been seted up near circular port (706) position that amortization shell body (7) was seted up to first baffle (13) of the inside fixed connection of amortization shell body (7).
7. A low noise motorcycle muffler according to claim 5, wherein: the silencer (10) comprises a first partition plate (13), a connecting hole (1301) is formed in the surface of the first partition plate (13), a connecting through hole (1401) is formed in the surface of the second partition plate (14), and connecting holes (1501) with different numbers are formed in the surface of the third partition plate (15).
8. A low noise motorcycle muffler according to claim 7, wherein: the silencing device is characterized in that a silencing pipe (17) is fixedly sleeved in a connecting hole (1301) formed in the surface of the first partition plate (13) and the silencing pipe (17) is far away from one end of the first partition plate (13) and fixedly sleeved in a circular hole (706) formed in one side of the silencing outer shell (7), a sound outlet hole (1701) with different quantity is formed in the surface of one end of the silencing pipe (17) close to the first partition plate (13), a silencing long pipe (16) is fixedly sleeved in a connecting hole (1301) formed in the middle of the first partition plate (13), one end of the silencing long pipe (16) far away from the first partition plate (13) is fixedly sleeved in a circular hole (705) formed in the silencing outer shell (7), the silencing long pipe (16) penetrates through a connecting through hole (1401) and a connecting hole (1501) formed in the middle of the second partition plate (14) and the third partition plate (15), a silencing hole (1601) is formed in the surface of one end of the silencing long pipe (16) close to the first partition plate (13), a silencing long pipe (1301) is provided with a silencing hole (1601) close to one side of the sound outlet hole (18) close to the first partition plate (13), and the connecting hole (1801) is fixedly sleeved in the side of the sound outlet hole (18) close to the first partition plate (13), a silencing short pipe (19) is fixedly sleeved in a connecting hole (1501) formed in the third partition plate (15), and one end, far away from the third partition plate (15), of the silencing short pipe (19) is located in a first cavity (701) formed in the silencing outer shell (7).
CN202320066694.3U 2023-01-10 2023-01-10 Low-noise motorcycle silencer Active CN218816596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320066694.3U CN218816596U (en) 2023-01-10 2023-01-10 Low-noise motorcycle silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320066694.3U CN218816596U (en) 2023-01-10 2023-01-10 Low-noise motorcycle silencer

Publications (1)

Publication Number Publication Date
CN218816596U true CN218816596U (en) 2023-04-07

Family

ID=87257708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320066694.3U Active CN218816596U (en) 2023-01-10 2023-01-10 Low-noise motorcycle silencer

Country Status (1)

Country Link
CN (1) CN218816596U (en)

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