CN2503210Y - Environmental protection tailgas purifying and silencing device for motorcycle - Google Patents
Environmental protection tailgas purifying and silencing device for motorcycle Download PDFInfo
- Publication number
- CN2503210Y CN2503210Y CN 01251230 CN01251230U CN2503210Y CN 2503210 Y CN2503210 Y CN 2503210Y CN 01251230 CN01251230 CN 01251230 CN 01251230 U CN01251230 U CN 01251230U CN 2503210 Y CN2503210 Y CN 2503210Y
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- tail gas
- environment friendly
- gas purifying
- expansion chamber
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to an exhaust purifying and noise damping device for an environment-friendly motorcycle. The device has a catalyzed exhaust converting section and a noise damping section and is in the shape of the letter S. A temperature reducing section is added between the catalyzed exhaust converting section and the noise damping section; the three parts are in a serial connection structure. Of the catalyzed exhaust converting section, one end of the exhaust inlet pipe connects with a motor, and the other end connects with a catalyzing converter; a secondary air filter is connected to a spring leaf valve via a hosepipe and arranged by the inserting way on the exhaust inlet pipe; the temperature reducing section is provided with a radiation fin, a safety hood and a first expansion chamber, wherein the first expansion chamber has a polygonal double-layer casing structure; the noise damping section is provided with a C-shaped noise damping body with a double-layer tube structure; a jet nozzle with a flat rectangular section is arranged in the tail of the noise damping body. The utility model has simple structure and easy manufacture and realizes exhaust purification and noise control of motorcycles.
Description
Technical field
The utility model relates to motorcycle tail gas cleaning and field of noise control, is specially a kind of environment friendly motorcycle tail gas purifying silencer.
Background technique
At present, the exhaust emissions of gasoline-fueled motorcycle being controlled in the environmental protection scope, the noise of motorcycle is controlled in the environmental protection scope, is manufacturing first problem of motorcycle, people constantly explore by changing structure, the pattern of silencing apparatus, realize discharging and Noise Control.For realizing that this purpose people design a lot of ways, and install catalyst on silencing apparatus; Secondary air import system (producer that has is installed on the motor) or the like, these methods have realized environment protection emission preferably, China announce in calendar year 2001 first discharge qualified vehicle catalogue (motorcycle), the motorcycle manufacturing that has proved China has preferably begun to enter environment protection emission, and its deficiency is that motorcycle noise is excessive.
(patent No. is Chinese patent: 98249830.6) disclose a kind of motorcycle tail gas cleaning device, its outlet pipe middle part has the firing chamber, air conduit is connected to the inlet end of firing chamber by the front end insertion of outlet pipe, the firing chamber is equipped with the spark plug that is connected with high voltage ignition circuit and motorcycle distributor voltage output end; Its deficiency is: structure is comparatively complicated, and noise is bigger, and installation spark plug in firing chamber is also inconvenient in actual use.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, be easy to make, realize the environment friendly motorcycle tail gas purifying silencer of motorcycle tail gas cleaning and noise control.
The technical solution of the utility model is:
A kind of environment friendly motorcycle tail gas purifying silencer has tail gas catalyzed transformation segment and muffler section, it is characterized in that: be " S " type, add temperature descending section between tail gas catalyzed transformation segment and the muffler section, three parts are cascaded structure.
Described tail gas catalyzed transformation segment, its secondary air filter cleaner is connected by sebific duct with leaf valve, is plugged on the suction tude through metal tube, suction tude one termination motor, its other end is connected with catalyst; Described temperature descending section, its connecting tube one end links to each other with catalyst, the other end is plugged in first expansion chamber, bar shaped radiating fin, safety enclosure are housed on the connecting tube, wherein the bar shaped radiating fin is welded on the connecting tube, safety enclosure is installed in bar shaped radiating fin outer surface, and first expansion chamber is the polygonal double-layer shell structure, is followed successively by shell, sound absorption thermal-protective material, wire netting from outside to inside; Described installing to welding or being threaded; Described safety enclosure is net form or porous metals arc-like sheet; Described muffler section, its air pipe one end links to each other with outlet pipe on the temperature descending section, the other end is plugged in the noise elimination main body, the noise elimination main body is " C " type, be the bimetallic tube body structure, be followed successively by ectosome, sound absorbent, netted endosome from outside to inside, establish expansion chamber, treatment for relieving indigestion and constipation pipe in the netted endosome, the dress cross section is the square jet pipe of prolate in the noise elimination main body afterbody; Described noise elimination main body afterbody adds outer cover; Described expansion chamber and treatment for relieving indigestion and constipation pipe are staggered structure one by one, are 1～6.
The utlity model has following beneficial effect:
Cleaning of off-gas, control noise.The utility model is " S " type, form by tail gas catalyzed transformation segment, temperature descending section and muffler section three parts, unburnt motor exhaust and enter the air mixing of suction tude through secondary air filter cleaner, leaf valve after become inflammable gas, enter the catalyst secondary combustion and produce catalytic reaction, generate innocuous gas, reached DB11/120-2000 Beijing provincial standard, harmful substance is controlled at CO 4.5～3.5g/Km, HC+NO
X3.0 below～the 2.0g/Km; This moment, gas was high-temperature gas (temperature is 200～1000 ℃), high-temperature gas enters first expansion chamber after connecting tube, radiating fin, safety enclosure heat radiation, seal after air pipe through clip, enter the noise elimination main body, through sound absorbent, netted endosome, be the square jet pipe of prolate through the cross section and finish noise elimination work, the utility model noise can be controlled in below the 80dB, thereby realizes the purpose of environmental protection.
2. the utility model is rational in infrastructure, simple, is easy to make.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a heat radiating fin structure schematic representation among Fig. 1.
Fig. 3 is a safety enclosure structural representation among Fig. 1.
Fig. 4 is the first expansion chamber structural representation among Fig. 1.
Fig. 5 is a jet pipe structural representation among Fig. 1.
Embodiment
The embodiment of the indefiniteness that said structure of the present utility model can provide by accompanying drawing further specifies.
Embodiment 1
Shown in Fig. 1,2,3,4,5, this device has tail gas catalyzed transformation segment 1 and muffler section 3, is " S " type, and adding temperature descending section 2, three parts between tail gas catalyzed transformation segment 1 and the muffler section 3 is cascaded structure; Described tail gas catalyzed transformation segment 1, its secondary air filter cleaner 12 is connected by sebific duct 13 with leaf valve 14, is plugged on the suction tude 11 through metal tube, suction tude 11 1 termination motors, its other end is connected with catalyst 15; Described temperature descending section 2, its connecting tube 21 1 ends link to each other with catalyst 15, the other end is plugged in first expansion chamber 24, bar shaped radiating fin 22, safety enclosure 23 are housed on the connecting tube 21, wherein bar shaped radiating fin 22 is welded on the connecting tube 21, and safety enclosure 23 is the porous metals arc-like sheet, is installed in bar shaped radiating fin 22 outer surfaces, first expansion chamber 24 is the polygonal double-layer shell structure, is followed successively by shell 241, sound absorption thermal-protective material 242, wire netting 243 from outside to inside; Described muffler section 3, its air pipe 32 1 ends link to each other with outlet pipe 25 on the temperature descending section 2, the other end is plugged in noise elimination main body 33, noise elimination main body 33 is " C " type, be the bimetallic tube body structure, be followed successively by ectosome 331, sound absorbent 332, netted endosome 333 from outside to inside, establish expansion chamber 334, treatment for relieving indigestion and constipation pipe 335 in the netted endosome 333, the dress cross section is the square jet pipe of prolate 336 in noise elimination main body 33 afterbodys; Described noise elimination main body 33 afterbodys add outer cover 34.Described catalyst 15 adopts the product of the special company of China sea.
Working procedure of the present utility model is: harmful tail gas that motor is discharged enters suction tude 1, with enter catalyst 15 after the air mixing that enters suction tude 11 through secondary air filter cleaner 12, sebific duct 13, leaf valve 14, carry out secondary combustion, catalytic reaction changes into innocuous gas, discharge pollutants to have reached CO 4.5～3.5g/km, the HC+NO of DB11/120-2000 Beijing provincial standard regulation
X3.0～2.0g/Km, this moment, gas was high-temperature gas (200～1000 ℃), high-temperature gas enters first expansion chamber 24 after connecting tube 21, radiating fin 22, safety enclosure 23 heat radiations, seal after air pipe 32 through clip 31, enter noise elimination main body 33,, be the square jet pipe 336 of prolate through the cross section and finish noise elimination work through sound absorbent 332, netted endosome 333, make noise be lower than 80dB and enter atmosphere, noise elimination main body afterbody adds outer cover 34.
Claims (8)
1. an environment friendly motorcycle tail gas purifying silencer has tail gas catalyzed transformation segment (1) and muffler section (3), it is characterized in that: be " S " type, add temperature descending section (2) between tail gas catalyzed transformation segment (1) and the muffler section (3), three parts are cascaded structure.
2. according to the described environment friendly motorcycle tail gas purifying silencer of claim 1, it is characterized in that: described tail gas catalyzed transformation segment (1), its secondary air filter cleaner (12) is connected by sebific duct (13) with leaf valve (14), be plugged on the suction tude (11) through metal tube, suction tude (11) one termination motors, its other end is connected with catalyst (15).
3. according to the described environment friendly motorcycle tail gas purifying silencer of claim 1, it is characterized in that: described temperature descending section (2), its connecting tube (21) one ends link to each other with catalyst (15), the other end is plugged in first expansion chamber (24), bar shaped radiating fin (22) is housed on the connecting tube (21), safety enclosure (23), wherein bar shaped radiating fin (22) is welded on the connecting tube (21), safety enclosure (23) is installed in bar shaped radiating fin (22) outer surface, first expansion chamber (24) is the polygonal double-layer shell structure, is followed successively by shell (241) from outside to inside, sound absorption thermal-protective material (242), wire netting (243).
4. according to the described environment friendly motorcycle tail gas purifying silencer of claim 3, it is characterized in that: described installing to welding or being threaded.
5. according to the described environment friendly motorcycle tail gas purifying silencer of claim 3, it is characterized in that: described safety enclosure (23) is net form or porous metals arc-like sheet.
6. according to the described environment friendly motorcycle tail gas purifying silencer of claim 1, it is characterized in that: described muffler section (3), its air pipe (32) one ends link to each other with outlet pipe (25) on the temperature descending section (2), the other end is plugged in noise elimination main body (33), noise elimination main body (33) is " C " type, be the bimetallic tube body structure, be followed successively by ectosome (331), sound absorbent (332), netted endosome (333) from outside to inside, establish expansion chamber (334), treatment for relieving indigestion and constipation pipe (335) in the netted endosome (333), the dress cross section is the square jet pipe of prolate (336) in noise elimination main body (33) afterbody.
7. according to the described environment friendly motorcycle tail gas purifying silencer of claim 6, it is characterized in that: described noise elimination main body (33) afterbody adds outer cover (34).
8. according to the described environment friendly motorcycle tail gas purifying silencer of claim 6, it is characterized in that: described expansion chamber (334) and treatment for relieving indigestion and constipation pipe (335) are staggered structure one by one, are 1～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251230 CN2503210Y (en) | 2001-10-31 | 2001-10-31 | Environmental protection tailgas purifying and silencing device for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01251230 CN2503210Y (en) | 2001-10-31 | 2001-10-31 | Environmental protection tailgas purifying and silencing device for motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2503210Y true CN2503210Y (en) | 2002-07-31 |
Family
ID=33661217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01251230 Expired - Fee Related CN2503210Y (en) | 2001-10-31 | 2001-10-31 | Environmental protection tailgas purifying and silencing device for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2503210Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033573A1 (en) * | 2005-09-19 | 2007-03-29 | Nan Xu | Environmental protection exhaust-purifying silencer of vehicle |
-
2001
- 2001-10-31 CN CN 01251230 patent/CN2503210Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033573A1 (en) * | 2005-09-19 | 2007-03-29 | Nan Xu | Environmental protection exhaust-purifying silencer of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |