CN2890364Y - Motorcycle exhaust muffler - Google Patents
Motorcycle exhaust muffler Download PDFInfo
- Publication number
- CN2890364Y CN2890364Y CN 200620109874 CN200620109874U CN2890364Y CN 2890364 Y CN2890364 Y CN 2890364Y CN 200620109874 CN200620109874 CN 200620109874 CN 200620109874 U CN200620109874 U CN 200620109874U CN 2890364 Y CN2890364 Y CN 2890364Y
- Authority
- CN
- China
- Prior art keywords
- outlet pipe
- flange
- catalyst
- pipe
- silencing apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model relates to a motorcycle exhaust muffler comprising a muffler with an outer cylinder and an inner pipe, and an exhaust pipe connected with the muffler. A catalyst is arranged in both the exhaust pipe and the inner cylinder of the exhaust pipe. The connecting end of the exhaust pipe and the muffler is provided with a flange. The connecting end outer cylinder and inner pipe of the muffler and the exhaust pipe are welded with a flange. The muffler and the exhaust pipe are connected into a whole through the two flanges by bolts. The exhaust pipe is divided into two sections from the middle part, and the two sections of exhaust pipes are connected into a whole through bilateral type flange arranged on its end. The catalyst in the exhaust pipe is arranged in the bilateral type flange. The exhaust muffler can make the engine waste gas passing through get more effective purification treatment, so as to improve motorcycle engine exhaust emission quality and make the demolition and replacement of the catalyst simple, convenient and reliable.
Description
Technical field
The utility model relates to a kind of exhaust silencer of motorcycle.
Technical background
Exhaust muffler for motorcycle is the device that is used to handle the motorcycle engine toxic emission, to reduce noise and the toxic emission pollution on the environment that motor produces.Exhaust silencer is formed by connecting by outlet pipe and silencing apparatus, and in outlet pipe or silencing apparatus catalyst is installed.Catalyst is that the centre is cellular cylindrical body, is used for the purifying engine exhaust gas discharged, and it just can play good waste-gas cleaning effect in the time of must reaching uniform temperature at the waste gas of engine emission, and its catharsis reduces on the contrary when exhaust gas temperature is too high.
The catalyst of installing in the existing exhaust muffler for motorcycle or be installed in the outlet pipe, or be installed in the interior pipe of silencing apparatus.Be installed in the exhaust silencer in the pipe in the silencing apparatus for catalyst, because catalyst is far away apart from engine exhaust port, start working the stage at motor, the temperature of silencing apparatus position, catalyst place waste gas can not be increased to rapidly catalyst can proper functioning temperature, make catalyst carry out effective purified treatment, thereby make this exhaust silencer relatively poor in the start working exhaust emission quality in stage of motor to the waste gas that motor is discharged.Be installed in exhaust silencer in the outlet pipe for catalyst, because catalyst is nearer apart from engine exhaust port, start working the stage at motor, the temperature of outlet pipe position, catalyst place waste gas is higher, so can make catalyst get started the effect of purifying exhaust air, and not have the expense gas discharging of a time period without effective purified treatment.But, along with the work of motor long period, outlet pipe position, catalyst place exhaust gas temperature is too high, will cause the waste-gas cleaning ability of catalyst to reduce, the waste gas that motor is discharged can not get effective purified treatment, so the exhaust emission quality of this exhaust silencer is also relatively poor.
In the motorcycle using process, because working life that is far longer than catalyst working life of exhaust silencer, so often when exhaust silencer still can normally use, catalyst has been scrapped and can not normally have been used.Because existing exhaust silencer catalyst installed position tube and tube (outlet pipe and outlet pipe, or outlet pipe and silencing apparatus) between be to be connected as a single entity by welding, so the catalyst scrapped can not take out in the exhaust silencer and change, like this, owing to causing whole exhaust silencer, scrapping of catalyst scrap, and this moment, silencing apparatus did not also reach working life far away, so the structure of existing exhaust silencer has caused the significant wastage of resource.
The model utility content
Technical problem to be solved in the utility model provides a kind of exhaust silencer of motorcycle, makes the engine exhaust through its discharge can access more efficiently purified treatment, to promote the exhaust emission quality of motorcycle engine; Make retracting of catalyst in it change simple and convenient and install reliable simultaneously.
The exhaust silencer of motorcycle described in the utility model comprises the silencing apparatus with urceolus and interior pipe, and the outlet pipe that is connected with silencing apparatus, and catalyst is installed in exhaust silencer, and described catalyst is installed in respectively in the interior interior pipe with silencing apparatus of outlet pipe; Outlet pipe is being provided with flange plate with the silencing apparatus connecting end, silencing apparatus with the urceolus of outlet pipe connecting end and interior pipe on be welded with flange plate, silencing apparatus and outlet pipe are connected as a single entity with bolt by two flange plate; Outlet pipe is divided into two sections from its stage casing, and two sections outlet pipes are connected as a single entity by the bilateral type flange that is arranged on its port, and described catalyst in outlet pipe is installed in the bilateral type flange.
The internal surface of described side formula flange is an arc surface, and its radian is consistent with outlet pipe outer surface radian, makes the internal surface of side formula flange realize identical the contact with outlet pipe port external cylindrical surface.The port of two sections outlet pipes all is overlapped on a wherein side formula flange internal surface, and combine as a whole with the welding of this side formula flange, the bilateral type flange is fastenedly connected with screw, be provided with sealing gasket between the bilateral type flange and between opposite side formula flange and two sections outlet pipe ports, described catalyst in the bilateral type flange between two sections outlet pipe ports, thereby realize that the installation of catalyst in outlet pipe is spacing.
Pipe has size two footpath sections in described, and described catalyst is positioned at the big footpath section of pipe, and between the seal ring between size section jointing place, two footpaths and two flange plate, thereby realize that catalyst installation in the pipe in silencing apparatus is spacing.
The endoporus that is weldingly fixed on the flange plate on silencing apparatus urceolus and the interior pipe is a step hole, be arranged on the outlet pipe, the flange plate at outlet pipe and silencing apparatus connecting end place is sleeved on this port of outlet pipe, and this port is welded with protruding circle, this protruding circle is arranged in described flange plate inner bore of step and its Spielpassung, and can stop that flange plate breaks away from outlet pipe from this port of outlet pipe.
The utility model in outlet pipe and the interior Guan Zhongjun of silencing apparatus catalyst is installed, start working the stage at motor, because the catalyst that is installed in the outlet pipe is nearer apart from engine exhaust port, the waste gas that motor is discharged is higher in the temperature at this catalyst place, thereby makes this catalyst can carry out effective purified treatment to waste gas at the engine start initial stage; And in engine operation after a period of time, when catalyst place exhaust gas temperature in the outlet pipe too high and when causing this catalyst that the waste-gas cleaning Processing capacity is reduced, the temperature that is installed in catalyst place waste gas in the interior pipe of silencing apparatus raises, and the catalyst in the pipe can carry out effective purified treatment to waste gas in the silencing apparatus thereby make.So the utility model exhaust silencer begins to start in the entire work process that finishes to operation at motor, all can carry out effective purified treatment, thereby make the exhaust emission quality of motorcycle engine be able to further lifting with this kind exhaust silencer to the waste gas that motor is discharged.
Because big displacement motorcycle engine exhaust gas discharged temperature is higher, the mounting point of catalyst can be far away apart from engine exhaust port in the outlet pipe, can satisfy the required temperature of catalyst proper functioning too, so the catalyst in the outlet pipe is positioned at the outlet pipe stage casing, is suitable for the motorcycle engine of big discharge capacity.
Because the connecting end at outlet pipe and silencing apparatus is provided with flange plate, outlet pipe and silencing apparatus is connected as one with bolt by flange plate, makes outlet pipe and silencing apparatus be easy to dismounting, thereby be convenient to the dismounting and change of catalyst in the silencing apparatus; Equally, catalyst is installed in the side formula flange that is arranged at the outlet pipe stage casing, is convenient to very much the dismounting and change of catalyst in the outlet pipe, opening and installing and all need not take off outlet pipe from motorcycle and can finish because of side formula flange.When catalyst is scrapped, only need to change catalyst, exhaust silencer still can continue to use, so can not cause the waste of resource.
Cooperating between protruding circle and the endoporus located in outlet pipe and silencing apparatus connecting port, and outlet pipe and silencing apparatus can conveniently be located, and is beneficial to the connection of outlet pipe and silencing apparatus, increased by reliability and intensity that two flange plate connect simultaneously.Catalyst is limited between two sections outlet pipe ports in the side formula flange in outlet pipe stage casing, can realize the reliable installation of catalyst in outlet pipe; And the catalyst in the silencing apparatus in the pipe can be realized the reliable installation of catalyst in silencing apparatus equally between the seal ring between interior pipe size section jointing place, two footpaths and two flange plate.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 looks schematic representation for the master of the exhaust silencer of motorcycle described in the utility model;
Fig. 2 is the partial enlarged drawing at N place among Fig. 1;
Fig. 3 is the cutaway view Amplified image of A-A line among Fig. 2;
Fig. 4 is the schematic representation after side formula flange being opened among Fig. 2;
Fig. 5 is the partial enlarged drawing at M place among Fig. 1.
Embodiment
Extremely shown in Figure 5 as Fig. 1, the exhaust silencer of this motorcycle comprises the silencing apparatus with urceolus 1 and interior pipe 2, and the outlet pipe 7 that is connected with silencing apparatus, silencing apparatus with the urceolus 1 of outlet pipe 7 connecting ends and interior pipe 2 on be welded with flange plate 5, the endoporus of this flange plate 5 is a step hole; Outlet pipe 7 is being set with flange plate 6 with the silencing apparatus connecting end, and outlet pipe 7 is welded with protruding circle 8 at this port, this protruding circle 8 is arranged in the inner bore of step and its Spielpassung that is weldingly fixed on the flange plate 5 on silencing apparatus urceolus 1 and the pipe 2, protruding circle 8 can stop that flange plate 6 breaks away from outlet pipe 7 from outlet pipe 7 these ports, be provided with seal ring 9 between the step end face of protruding circle 8 end faces and this inner bore of step, silencing apparatus and outlet pipe 7 are connected as a single entity by two flange plate, 5,6 usefulness bolts 4.
Pipe 2 has size two footpath sections in the silencing apparatus, in the section of the big footpath of interior pipe 2, catalyst 3 is installed, it move axially along interior pipe 2 to limit it, thereby the installation that realization catalyst 3 is managed in 2 in silencing apparatus is spacing between the seal ring 9 of size two footpath section jointing places and 5,6 of two flange plate.
Outlet pipe is divided into two sections 7,11, two sections outlet pipes 7,11 and is connected as a single entity by the bilateral type flange 12,13 that is arranged on its port from its stage casing.Described side formula flange 12,13 internal surface is an arc surface, its radian is consistent with outlet pipe outer surface radian, two sections outlet pipes 7,11 port all is overlapped on a wherein side formula flange 12 internal surfaces, and combine as a whole with 12 welding of this side formula flange, bilateral type flange 12,13 usefulness screws 10 are fastenedly connected, bilateral type flange 12, reach opposite side formula flange 13 and two sections outlet pipes 7 between 13, be provided with sealing gasket 14 between 11 ports, to stop waste gas in the outlet pipe from bilateral type flange 12, between the 13 contact end faces, and side formula flange 13 and two sections outlet pipes 7, scurry out between the 11 port surface of contact.Catalyst 15 in the described outlet pipe is installed in the bilateral type flange 12,13 and between two sections outlet pipes, 7,11 ports, thereby realizes that this catalyst 15 installation in outlet pipe is spacing.
Claims (4)
1, a kind of exhaust silencer of motorcycle, the silencing apparatus that comprises have urceolus (1) and interior pipe (2), and the outlet pipe that is connected with silencing apparatus, catalyst (3,15) is installed in exhaust silencer, it is characterized in that: described catalyst is installed in respectively in the interior interior pipe with silencing apparatus of outlet pipe; Outlet pipe is being provided with flange plate (6) with the silencing apparatus connecting end, silencing apparatus with the urceolus (1) of outlet pipe connecting end and interior pipe (2) on be welded with flange plate (5), silencing apparatus and outlet pipe are connected as a single entity with bolt (4) by two flange plate (5,6); Outlet pipe is divided into two sections from its stage casing, and two sections outlet pipes (7,11) are connected as a single entity by the bilateral type flange (12,13) that is arranged on its port, and the catalyst (15) in the described outlet pipe is installed in the bilateral type flange.
2, the exhaust silencer of motorcycle according to claim 1, it is characterized in that: described side formula flange (12,13) internal surface is an arc surface, its radian is consistent with outlet pipe outer surface radian, two sections outlet pipes (7,11) port all is overlapped on wherein side formula flange (a 12) internal surface, and combine as a whole with the welding of this side formula flange, the bilateral type flange is fastenedly connected with screw (10), be provided with sealing gasket (14) between the bilateral type flange and between opposite side formula flange (13) and two sections outlet pipe ports, described catalyst (15) in the bilateral type flange between two sections outlet pipe ports.
3, the exhaust silencer of motorcycle according to claim 1, it is characterized in that: pipe (2) has size two footpath sections in described, described catalyst (3) is positioned at the big footpath section of pipe, and is positioned between the seal ring (9) between size two footpath section jointing places and two flange plate (5,6).
4, the exhaust silencer of motorcycle according to claim 1, it is characterized in that: the endoporus that is weldingly fixed on the flange plate (5) on silencing apparatus urceolus (1) and the interior pipe (2) is a step hole, be arranged on that outlet pipe (7) is gone up, the flange plate (6) at outlet pipe and silencing apparatus connecting end place is sleeved on this port of outlet pipe, and this port is welded with protruding circle (8), this protruding circle is arranged in described flange plate (5) inner bore of step and its Spielpassung, and can stop that flange plate (6) breaks away from outlet pipe from this port of outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109874 CN2890364Y (en) | 2006-01-25 | 2006-01-25 | Motorcycle exhaust muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109874 CN2890364Y (en) | 2006-01-25 | 2006-01-25 | Motorcycle exhaust muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2890364Y true CN2890364Y (en) | 2007-04-18 |
Family
ID=38021023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620109874 Expired - Fee Related CN2890364Y (en) | 2006-01-25 | 2006-01-25 | Motorcycle exhaust muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2890364Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458247A (en) * | 2018-10-22 | 2019-03-12 | 济南轻骑摩托车有限公司 | A kind of special-shaped noise eliminator of motorcycle of large-duty engine |
-
2006
- 2006-01-25 CN CN 200620109874 patent/CN2890364Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458247A (en) * | 2018-10-22 | 2019-03-12 | 济南轻骑摩托车有限公司 | A kind of special-shaped noise eliminator of motorcycle of large-duty engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070418 Termination date: 20120125 |