CN109209566B - Muffler and motorcycle - Google Patents
Muffler and motorcycle Download PDFInfo
- Publication number
- CN109209566B CN109209566B CN201811063305.1A CN201811063305A CN109209566B CN 109209566 B CN109209566 B CN 109209566B CN 201811063305 A CN201811063305 A CN 201811063305A CN 109209566 B CN109209566 B CN 109209566B
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- Prior art keywords
- pipe
- chamber
- pipe body
- muffler
- cavity
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- 238000005192 partition Methods 0.000 claims abstract description 48
- 230000030279 gene silencing Effects 0.000 abstract description 4
- 230000003584 silencer Effects 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of noise elimination, and discloses a muffler and a motorcycle. The muffler comprises a cylinder body, a first pipe body, a second pipe body, a third pipe body and a fourth pipe body. The cylinder body is internally provided with a first baffle and a second baffle so as to divide the inner cavity of the cylinder body into a first cavity, a second cavity and a third cavity which are axially arranged in sequence. The first pipe body stretches into the second cavity from one end of the cylinder body, and a plurality of air guide holes are formed in the side wall of the portion, located in the second cavity, of the first pipe body. The second pipe body is communicated with the first chamber and the third chamber. The third pipe body is arranged on the second partition board and is communicated with the second chamber and the third chamber; the fourth pipe body penetrates through the second chamber and the third chamber to communicate the first chamber with the outside of the cylinder. The silencer provided by the embodiment of the invention has better silencing performance, and has smaller vibration, and smaller maximum power and maximum torque loss during working. The motorcycle of the present invention includes an exhaust pipe and a muffler connected to the exhaust pipe.
Description
Technical Field
The invention relates to the technical field of noise elimination, in particular to a muffler and a motorcycle.
Background
The motorcycle muffler is a device for allowing air flow to pass through and attenuating noise, and is one of important parts on a motorcycle. The performance of the muffler not only affects the noise of the motorcycle, but also has larger effects on the performance of the engine such as power, oil consumption, torque and the like. According to the difference of the noise elimination principle, the motorcycle muffler can be divided into a resistive muffler, a resistive composite muffler and the like. The existing muffler has larger jitter, larger exhaust sound level and noise and larger maximum power and maximum torque loss, so the existing muffler has poor overall performance.
Disclosure of Invention
The invention aims to provide a muffler which can solve the problems of larger shaking, larger exhaust sound level and noise, larger maximum power and maximum torque loss and the like in the working process.
Another object of the present invention is to provide a motorcycle which improves the problems of larger muffler shake, larger exhaust sound level, larger noise, larger maximum power and maximum torque loss, etc. during operation.
Embodiments of the present invention are implemented as follows:
In a first aspect, an embodiment of the present invention provides a muffler, including:
The cylinder is provided with a first end and a second end in the axial direction, a first partition plate and a second partition plate are arranged in the cylinder, the first partition plate and the second partition plate are arranged at intervals in the axial direction of the cylinder so as to divide an inner cavity of the cylinder into a first cavity, a second cavity and a third cavity which are sequentially and axially arranged, one side of the first partition plate, far away from the second partition plate, is the first cavity, and one side of the second partition plate, far away from the first partition plate, is the third cavity;
One end of the first pipe body penetrates through the first cavity and extends into the second cavity from the first partition plate, and a plurality of air guide holes are formed in the side wall of the part of the first pipe body located in the second cavity;
the second pipe body is positioned in the second chamber, two ends of the second pipe body are respectively connected with the first partition plate and the second partition plate, and the second pipe body is communicated with the first chamber and the third chamber;
the third pipe body is arranged on the second partition board, penetrates through the second partition board and is communicated with the second chamber and the third chamber;
one end of the fourth pipe body is connected to the first partition board, and the other end of the fourth pipe body is connected to the second end of the cylinder body, so that the fourth pipe body penetrates through the second chamber and the third chamber to be communicated with the first chamber and the outside of the cylinder body.
In one embodiment of the invention, the cylinder has two end plates at two ends in the axial direction, and the first pipe body extends into the second chamber through the end plate at the first end of the cylinder and the first partition plate; two ends of the fourth pipe body are respectively connected with the end plate at the second end of the cylinder body and the first baffle plate.
In one embodiment of the invention, the axes of the cylinder, the first tube, the second tube, the third tube and the fourth tube are parallel.
In one embodiment of the present invention, the air holes are arranged in a plurality of rows, and each air hole in each row is arranged at intervals along the axial direction of the first pipe body; the gas guide holes in each row are arranged at intervals along the circumferential direction of the first pipe body.
In one embodiment of the present invention, each row of air holes includes 6 air holes, and 8 rows of air holes are disposed on the first tube body.
In one embodiment of the invention, the inner diameter of the first pipe body is 34mm-36mm, and the air guide hole is a round hole with the aperture of 4mm-6 mm.
In one embodiment of the invention, the second, third and fourth tubes each have an inner diameter of 21mm-23mm.
In one embodiment of the invention, the muffler further includes a fifth pipe connected to the second end of the cylinder and located outside the cylinder, the fifth pipe being in axial communication with the fourth pipe.
In one embodiment of the invention, the inner diameter of the fifth tube is smaller than the inner diameter of the fourth tube.
In a second aspect, an embodiment of the present invention further provides a motorcycle, which includes an exhaust pipe for exhaust of the motorcycle and the muffler connected to the exhaust pipe, where one end of the first pipe body located outside the cylinder body is axially communicated with the tail end of the exhaust pipe.
The embodiment of the invention has the beneficial effects that:
The silencer provided by the embodiment of the invention comprises a cylinder body, a first pipe body, a second pipe body, a third pipe body and a fourth pipe body. The cylinder body is internally provided with a first baffle and a second baffle, and the first baffle and the second baffle are arranged at intervals in the axial direction of the cylinder body so as to divide the inner cavity of the cylinder body into a first cavity, a second cavity and a third cavity which are sequentially axially arranged. One end of the first pipe body penetrates through the first cavity, stretches into the second cavity from the first partition plate, and a plurality of air guide holes are formed in the side wall of the part of the first pipe body, which is located in the second cavity. The second pipe body is arranged in the second chamber, two ends of the second pipe body are respectively connected with the first partition board and the second partition board, and the second pipe body is communicated with the first chamber and the third chamber. The third pipe body is arranged on the second partition board, penetrates through the second partition board and is communicated with the second chamber and the third chamber; one end of the fourth pipe body is connected to the first partition board, and the other end of the fourth pipe body is connected to the second end of the cylinder body, so that the fourth pipe body penetrates through the second chamber and the third chamber to be communicated with the first chamber and the outside of the cylinder body. The silencer provided by the embodiment of the invention has better silencing performance, and has smaller vibration, and smaller maximum power and maximum torque loss during working.
The motorcycle of the embodiment of the invention is provided with the exhaust pipe and the muffler connected with the exhaust pipe, and one end of the first pipe body positioned outside the cylinder body is axially communicated with the tail end of the exhaust pipe. The muffler has the beneficial effects as described above because it includes the muffler.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a muffler according to an embodiment of the present invention at a first view angle;
FIG. 2 is a schematic view of a muffler according to a second embodiment of the present invention;
FIG. 3 is a cross-sectional view of the muffler of FIG. 2 taken along the direction A-A;
FIG. 4 is a cross-sectional view of the muffler of FIG. 1 taken along the B-B direction;
fig. 5 is a schematic structural view of a motorcycle muffler system according to an embodiment of the present invention.
Icon: 100-muffler; 110-a cylinder; 110 a-a first end; 110 b-a second end; 112-end plates; 113-a first separator; 114-a second separator; 115-a first chamber; 116-a second chamber; 117-a third chamber; 120-a first tube; 122-air vent; 130-a second tube; 140-a third tube; 150-fourth tube body; 160-a fifth tube; 200-a motorcycle silencing system; 210-exhaust pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and the like are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
Fig. 1 is a schematic view of a muffler 100 according to a first view angle of an embodiment of the present invention; fig. 2 is a schematic view of a second view of the muffler 100 according to the embodiment of the present invention; fig. 3 is a cross-sectional view of the muffler 100 of fig. 2 taken along the A-A direction. Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a muffler 100, which includes a cylinder 110, a first pipe 120, a second pipe 130, a third pipe 140, a fourth pipe 150 and a fifth pipe 160.
In the present embodiment, the cylinder 110 has first and second ends 110a and 110b in the axial direction, and the first and second ends 110a and 110b have end plates 112, respectively. The cylinder 110 is internally provided with a first baffle 113 and a second baffle 114, the first baffle 113 and the second baffle 114 are arranged at intervals in the axial direction of the cylinder 110 so as to divide the inner cavity of the cylinder 110 into a first chamber 115, a second chamber 116 and a third chamber 117 which are sequentially axially arranged, one side of the first baffle 113 away from the second baffle 114 is the first chamber 115, and one side of the second baffle 114 away from the first baffle 113 is the third chamber 117.
In this embodiment, the cylinder 110 and the separator are made of a rigid material having a certain strength, such as stainless steel, cast iron, aluminum alloy, or other alloys. Alternatively, the thickness of the cylinder 110 and the baffle is 1.2mm, and in other embodiments of the present invention, the thickness of the cylinder 110 and the baffle may be selected according to the actual size of the muffler 100.
In the embodiment of the present invention, one end of the first tube 120 penetrates through the first chamber 115, and extends from the first partition 113 to the second chamber 116, and a plurality of air holes 122 are formed in a side wall of a portion of the first tube 120 located in the second chamber 116. The end surface of the first tube 120 extending into the end of the second chamber 116 is closed, i.e. the air flow from the first tube 120 into the second chamber 116 can only enter through the air vent 122. The air flow may enter the second chamber 116 from outside the cylinder 110 through the first tube 120.
Further, in the present embodiment, the air holes 122 are arranged in a plurality of rows, and the air holes 122 in each row are uniformly spaced along the axial direction of the first tube 120; the air guide holes 122 are arranged at regular intervals along the circumferential direction of the first pipe 120. In this embodiment, the air hole 122 is a circular hole.
Alternatively, each row of air holes 122 includes 6 air holes 122, and each row of air holes 122 has an arrangement length of 80mm. The first pipe 120 is provided with 8 rows of air holes 122, and the circumferential angle between each row of air holes 122 is 45 °. Thus, the first conduit is in gaseous communication with the second chamber 116 through the 48 gas holes 122.
In an alternative embodiment of the present invention, the inner diameter of the first tube 120 is 34mm-36mm, and the air guide hole 122 is a circular hole with a diameter of 4mm-6 mm. In this embodiment, the inner diameter of the first tube 120 is 35mm, and the aperture of the air vent 122 is 5mm.
In the embodiment of the present invention, the second pipe 130 is located in the second chamber 116, two ends of the second pipe 130 are respectively connected to the first partition 113 and the second partition 114, and the second pipe 130 is communicated with the first chamber 115 and the third chamber 117. So that the gas of the third chamber 117 can flow through the second pipe 130 toward the first chamber 115.
In the embodiment of the present invention, the third pipe 140 is disposed on the second partition 114, and the third pipe 140 penetrates through the second partition 114 and communicates with the second chamber 116 and the third chamber 117. In the present embodiment, both ends of the third pipe body 140 protrude by 30mm with respect to both sides of the second separator 114, respectively. The third tube 140 allows airflow from the second chamber 116 through the third tube 140 into the third chamber 117.
In the embodiment of the present invention, one end of the fourth pipe 150 is connected to the first separator 113, and the other end of the fourth pipe 150 is connected to the end plate 112 of the second end 110b of the cylinder 110, so that the fourth pipe 150 penetrates the second chamber 116 and the third chamber 117 to communicate the first chamber 115 with the outside of the cylinder 110. The air flow may flow out of the barrel 110 through the fourth tube 150 directly from the first chamber 115 to the second end 110b of the barrel 110.
Fig. 4 is a cross-sectional view of the muffler 100 of fig. 1 taken along the B-B direction. Referring to fig. 4 in combination with the foregoing drawings, in the embodiment of the invention, the axes of the cylinder 110, the first pipe 120, the second pipe 130, the third pipe 140 and the fourth pipe 150 are parallel. And the first, second, third and fourth tubes 120, 130, 140 and 150 are spaced apart from each other in a radial direction. Preferably, the four tubes are sequentially spaced 90 ° apart about the axis of the barrel 110, with the axes of the four tubes being equidistant from the axis of the barrel 110.
In an alternative embodiment of the present invention, the inner diameters of the second, third and fourth tubes 130, 140 and 150 are 21mm-23mm. In the present embodiment, the inner diameters of the second, third and fourth tubes 130, 140 and 150 are 22mm.
In an embodiment of the present invention, the muffler 100 further includes a fifth pipe 160, and the fifth pipe 160 is connected to the end plate 112 of the second end 110b of the cylinder 110 and is located outside the cylinder 110. The fifth tube 160 is in axial communication with the fourth tube 150.
In an alternative embodiment of the present invention, the inner diameter of the fifth tube 160 is smaller than the inner diameter of the fourth tube 150, and in this embodiment, the inner diameter of the fifth tube 160 is 18mm.
Fig. 5 is a schematic structural diagram of a motorcycle muffler system 200 according to an embodiment of the present invention. Referring to fig. 5, the embodiment of the invention further provides a motorcycle (not shown), which includes a motorcycle muffler system 200, wherein the motorcycle muffler system 200 includes an exhaust pipe 210 for exhaust of the motorcycle and the muffler 100 connected to the exhaust pipe 210, and one end of the first pipe 120 located outside the cylinder 110 is axially communicated with the tail end of the exhaust pipe 210.
The principle and beneficial effects of the muffler 100 and the motorcycle muffling system 200 of the present embodiment are as follows:
The gas flow flows from the gas outlet pipe 210 to the first pipe 120, flows from the first pipe 120 into the cylinder 110, enters the second chamber 116 through the 48 gas-guide holes 122, enters the third chamber 117 from the third pipe 140 after expanding the gas in the second chamber 116, and then directly enters the first chamber 115 from the third chamber 117 through the second pipe 130. The gas entering the first chamber 115 then flows out of the cylinder 110 from the second end 110b of the cylinder 110 through the fourth and fifth tubes 150, 160, and is exhausted to the atmosphere. The air flow is reciprocally turned back in the cylinder 110 of the muffler 100, energy is absorbed, and the first, second, third and fourth pipes 120, 130, 140 and 150 are sequentially spaced 90 ° around the axis of the cylinder 110, and the configuration is uniform and reasonable, reducing the overall vibration and noise generation of the muffler 100. The maximum power loss is less than 1.5% and the maximum torque loss is less than 2.3% when the muffler 100 of the present embodiment is applied through the comparative analysis of GT simulation calculation data. The overall performance is significantly improved compared to prior art mufflers.
In summary, the muffler provided by the embodiment of the invention includes a cylinder, a first pipe, a second pipe, a third pipe, and a fourth pipe. The cylinder body is internally provided with a first baffle and a second baffle, and the first baffle and the second baffle are arranged at intervals in the axial direction of the cylinder body so as to divide the inner cavity of the cylinder body into a first cavity, a second cavity and a third cavity which are sequentially axially arranged. One end of the first pipe body penetrates through the first cavity, stretches into the second cavity from the first partition plate, and a plurality of air guide holes are formed in the side wall of the part of the first pipe body, which is located in the second cavity. The second pipe body is arranged in the second chamber, two ends of the second pipe body are respectively connected with the first partition board and the second partition board, and the second pipe body is communicated with the first chamber and the third chamber. The third pipe body is arranged on the second partition board, penetrates through the second partition board and is communicated with the second chamber and the third chamber; one end of the fourth pipe body is connected to the first partition board, and the other end of the fourth pipe body is connected to the second end of the cylinder body, so that the fourth pipe body penetrates through the second chamber and the third chamber to be communicated with the first chamber and the outside of the cylinder body. The silencer provided by the embodiment of the invention has better silencing performance, and has smaller vibration, and smaller maximum power and maximum torque loss during working.
The motorcycle of the embodiment of the invention is provided with the exhaust pipe and the muffler connected with the exhaust pipe, and one end of the first pipe body positioned outside the cylinder body is axially communicated with the tail end of the exhaust pipe. The muffler has the beneficial effects as described above because it includes the muffler.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A muffler, characterized by comprising:
The cylinder body is provided with a first end and a second end in the axial direction, a first partition plate and a second partition plate are arranged in the cylinder body, the first partition plate and the second partition plate are arranged at intervals in the axial direction of the cylinder body so as to divide an inner cavity of the cylinder body into a first cavity, a second cavity and a third cavity which are sequentially and axially arranged, one side, far away from the second partition plate, of the first partition plate is the first cavity, and one side, far away from the first partition plate, of the second partition plate is the third cavity;
The first pipe body penetrates through the first cavity, and extends into the second cavity from the first partition plate, the end face of one end of the first pipe body extending into the second cavity is closed, and a plurality of air guide holes are formed in the side wall of the part of the first pipe body located in the second cavity;
The second pipe body is positioned in the second chamber, two ends of the second pipe body are respectively connected with the first partition board and the second partition board, and the second pipe body is communicated with the first chamber and the third chamber;
The third pipe body is arranged on the second partition plate, penetrates through the second partition plate and is communicated with the second chamber and the third chamber;
One end of the fourth pipe body is connected to the first partition board, and the other end of the fourth pipe body is connected to the second end of the cylinder body, so that the fourth pipe body penetrates through the second chamber and the third chamber to be communicated with the first chamber and the outside of the cylinder body;
the first pipe body, the second pipe body, the third pipe body and the fourth pipe body are sequentially spaced at 90 degrees around the axis of the cylinder.
2. The muffler of claim 1 wherein the barrel has two end plates at both ends in the axial direction, the first tube extending through the end plate of the first end of the barrel and the first baffle into the second chamber; and two ends of the fourth pipe body are respectively connected with the end plate at the second end of the cylinder body and the first partition plate.
3. The muffler of claim 1 wherein the axes of the cylinder, the first pipe, the second pipe, the third pipe, and the fourth pipe are parallel.
4. The muffler of claim 1, wherein the gas-guide holes are arranged in a plurality of rows, each of the gas-guide holes in each row being arranged at intervals in the axial direction of the first pipe body; the gas guide holes in each row are arranged at intervals along the circumferential direction of the first pipe body.
5. The muffler of claim 4, wherein each of the rows of air holes includes 6 of the air holes, and 8 rows of the air holes are provided on the first pipe body.
6. The muffler according to any one of claims 1 to 5, wherein the inner diameter of the first pipe body is 34mm to 36mm, and the air-guide hole is a circular hole having a diameter of 4mm to 6mm.
7. The muffler of any one of claims 1-5, wherein the second pipe, the third pipe, and the fourth pipe each have an inner diameter of 21mm-23mm.
8. The muffler of any one of claims 1-5 further comprising a fifth pipe connected to the second end of the cylinder and located outside the cylinder, the fifth pipe being in axial communication with the fourth pipe.
9. The muffler of claim 8, wherein an inner diameter of the fifth pipe is smaller than an inner diameter of the fourth pipe.
10. A motorcycle provided with an exhaust pipe and the muffler according to any one of claims 1 to 9 attached to the exhaust pipe, wherein an end of the first pipe body located outside the cylinder is in axial communication with a tail end of the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063305.1A CN109209566B (en) | 2018-09-12 | 2018-09-12 | Muffler and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063305.1A CN109209566B (en) | 2018-09-12 | 2018-09-12 | Muffler and motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109209566A CN109209566A (en) | 2019-01-15 |
| CN109209566B true CN109209566B (en) | 2024-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811063305.1A Active CN109209566B (en) | 2018-09-12 | 2018-09-12 | Muffler and motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209566B (en) |
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