CN2760241Y - Exhaust muffler for motorcycle - Google Patents
Exhaust muffler for motorcycle Download PDFInfo
- Publication number
- CN2760241Y CN2760241Y CN 200420105758 CN200420105758U CN2760241Y CN 2760241 Y CN2760241 Y CN 2760241Y CN 200420105758 CN200420105758 CN 200420105758 CN 200420105758 U CN200420105758 U CN 200420105758U CN 2760241 Y CN2760241 Y CN 2760241Y
- Authority
- CN
- China
- Prior art keywords
- silencing apparatus
- outlet pipe
- silencer
- exhaust
- catalyst
- 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 an exhaust muffler for a motorcycle, which comprises a muffler and an exhaust pipe connected with the muffler, wherein the muffler is provided with an outer cylinder and an inner pipe; catalyst is installed in the inner pipe; the connecting end between the exhaust pipe and the silencer is a tapered horn mouth, and the connecting end between the exhaust pipe and the silencer is sheathed with a loose flange disc; the inner hole of the loose flange disc is a tapered horn hole; the outer cylinder and the inner pipe on the connecting end between the silencer and the exhaust pipe are welded with a flange disc having thread holes; the silencer is connected with the exhaust pipe into a whole through the two flange discs by using screws. The exhaust silencer of a motorcycle has the advantages that the exhaust pipe and the silencer are easy to disassemble, and thus, the disassembly and the replacement of the catalyst in the exhaust silencer are convenient; when the catalyst is abandoned, only the catalyst needs to be replaced, and the exhaust silencer can continue to be used, and thus, the waste of resources can not be caused.
Description
Technical field
The utility model relates to a kind of exhaust muffler for 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, and catalyst is that the centre is cellular cylindrical body, is used for the purifying engine exhaust gas discharged.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.And because existing exhaust silencer, its outlet pipe and silencing apparatus are connected as a single entity by welding, thereby the catalyst of scrapping can not be taken out in exhaust silencer, like this because the scrapping of catalyst, and cause whole exhaust silencer to be scrapped, 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 muffler for motorcycle, makes the catalyst that is installed in the exhaust silencer can retract replacing easily.
Exhaust muffler for motorcycle described in the utility model, comprise silencing apparatus with urceolus and interior pipe, and the outlet pipe that is connected with silencing apparatus, in the interior pipe catalyst is installed, outlet pipe and silencing apparatus connecting end are the horn mouth with tapering, be set with moving flange plate at outlet pipe and silencing apparatus connecting end, the endoporus of moving flange plate is the bellmouth orifice with tapering, be welded with the flange plate with tapped hole on the urceolus of silencing apparatus and outlet pipe connecting end and interior pipe, silencing apparatus and outlet pipe are connected as a single entity with screw by two flange plate.
Be welded with lining ring at outlet pipe and silencing apparatus connecting end, the endoporus that is weldingly fixed on the flange plate on the silencing apparatus is a step hole, and described lining ring is positioned at this endoporus, and is provided with seal ring between lining ring end face and this endoporus step surface.
The utility model is respectively installed with moving flange plate owing to the connecting end at outlet pipe and silencing apparatus and welded and installed has flange plate, outlet pipe and silencing apparatus are connected as one with screw by two flange plate, make outlet pipe and silencing apparatus be easy to dismounting, thereby be convenient to the dismounting and change of catalyst in the exhaust silencer.When catalyst is scrapped, only need to change catalyst, exhaust silencer still can continue to use, so can not cause the waste of resource.And this kind Placement of the utility model outlet pipe and silencing apparatus, can not make exhaust silencer at outlet pipe and silencing apparatus weld owing to phenomenon of rupture appears in large-area weld seam, promoted the quality of product of exhaust silencer.Owing between lining ring end face and silencing apparatus upper flange plate endoporus step surface, be provided with seal ring, can prevent effectively that waste gas from leaking from outlet pipe and silencing apparatus joint.And the moving flange plate of suit is easy to outlet pipe and is connected with the installation of silencing apparatus on the outlet pipe.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 looks generalized section for the master of exhaust muffler for motorcycle described in the utility model;
Fig. 2 is the enlarged view at M position among Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, this exhaust muffler for motorcycle comprises the silencing apparatus with urceolus 7 and interior pipe 8, and the outlet pipe 1 that is connected with silencing apparatus, catalyst 9 is installed in the pipe in silencing apparatus, outlet pipe 1 is the horn mouth with tapering with the silencing apparatus connecting end, be set with moving flange plate 3 at outlet pipe 1 and silencing apparatus connecting end, the endoporus of moving flange plate 3 is the bellmouth orifice with tapering, makes it suitable with the horn mouth of outlet pipe 1 end.Be welded with lining ring 5 at outlet pipe 1 and silencing apparatus connecting end, on the urceolus 7 of silencing apparatus and outlet pipe 1 connecting end and interior pipe 8, be welded with flange plate 4 with tapped hole, the endoporus of this flange plate 4 is a step hole, described lining ring 5 is positioned at this endoporus, and be provided with seal ring 6 between lining ring 5 end faces and this endoporus step surface, silencing apparatus and outlet pipe 1 are connected as a single entity by two flange plate, 3,4 usefulness screws 2.Pipe 8 is provided with reducing 10 in the silencing apparatus, and the catalyst 9 in being installed in the pipe 8 moves axially along interior pipe 8 in interior pipe 8 with restriction catalyst 9 between this reducing 10 and seal ring 6.
Claims (2)
1, exhaust muffler for motorcycle, the silencing apparatus that comprises have urceolus (7) and interior pipe (8), and the outlet pipe (1) that is connected with silencing apparatus, catalyst (9) is installed in the interior pipe, outlet pipe and silencing apparatus connecting end are the horn mouth with tapering, it is characterized in that: be set with moving flange plate (3) at outlet pipe and silencing apparatus connecting end, the endoporus of moving flange plate is the bellmouth orifice with tapering, be welded with the flange plate (4) with tapped hole on the urceolus of silencing apparatus and outlet pipe connecting end and interior pipe, silencing apparatus and outlet pipe are by two flange plate (3,4) be connected as a single entity with screw (2).
2, exhaust muffler for motorcycle according to claim 1, it is characterized in that: be welded with lining ring (5) at outlet pipe (1) and silencing apparatus connecting end, the endoporus that is weldingly fixed on the flange plate (4) on the silencing apparatus is a step hole, described lining ring is positioned at this endoporus, and is provided with seal ring (6) between lining ring (5) end face and this endoporus step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420105758 CN2760241Y (en) | 2004-12-22 | 2004-12-22 | Exhaust muffler for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420105758 CN2760241Y (en) | 2004-12-22 | 2004-12-22 | Exhaust muffler for motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2760241Y true CN2760241Y (en) | 2006-02-22 |
Family
ID=36082442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420105758 Expired - Fee Related CN2760241Y (en) | 2004-12-22 | 2004-12-22 | Exhaust muffler for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2760241Y (en) |
-
2004
- 2004-12-22 CN CN 200420105758 patent/CN2760241Y/en not_active Expired - Fee Related
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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: 20060222 Termination date: 20101222 |