CN1036216C - Secondary air supplying unit in motor bike - Google Patents
Secondary air supplying unit in motor bike Download PDFInfo
- Publication number
- CN1036216C CN1036216C CN93105944A CN93105944A CN1036216C CN 1036216 C CN1036216 C CN 1036216C CN 93105944 A CN93105944 A CN 93105944A CN 93105944 A CN93105944 A CN 93105944A CN 1036216 C CN1036216 C CN 1036216C
- Authority
- CN
- China
- Prior art keywords
- secondary air
- motor
- control valve
- pipe
- cleaner
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
To obtain a secondary air supplying device of a motor cycle where a secondary air supplying valve is not affected by the engine vibration, and the space efficiency is improved by downsizing of a swaying part.In a motorcycle having a unit swing type engine, a secondary air supplying device of the motor cycle is characterized in that an air cleaner body 24 is mounted on the engine side, and a second air cleaner 50 for supplying the secondary air and a secondary air control valve 56 are arranged to the vehicle body side.
Description
The present invention relates to two-wheeled in for making the device of exhaust gas purification to the engine exhaust system feeding secondary air.
Secondary air-supply device in usually two-wheeled, for example as disclosing in the real public clear 61-4007 communique of Japanese Utility Model communique, be to couple together by the air cleaner chamber and the exhaust opening of engine of secondary air control valve with filter cleaner by the secondary air ingress pipe, with the relief opening joint near set pilot valve.
Secondary air control valve, correspondingly moves with intake negative-pressure when motor moves by being connected the negative pressure discharge tube of carburetor throttle downstream side in the motor suction system, carries out the switching of valve.
Therefore, in motion, intake negative-pressure is opened secondary air control valve, because the exhaust fluctuation pressure in the relief opening is opened pilot valve, so a part of clean air in the filter cleaner imports relief opening by the secondary air ingress pipe, impels the unburned gas composition oxidations such as HC, CO in the exhaust.
Above-mentioned example is that common motor is loaded in the two-wheeled of car side, and is provided with the vehicle of combined hanging motor, owing to filter cleaner is loaded on the sprung parts, so whole secondary air-supply device becomes integrally to be loaded on the sprung parts with motor.
Therefore, because also becoming whole with motor, loads the working part resemble the secondary air control valve, so be subjected to the influence of vibration of motor easily.Though once considered to support secondary air control valve with the vibration-proof mounting structure, so, weight is increased, cost improves.
In addition, because a part of clean air of filter cleaner is used as secondary air, so, must guarantee that filter cleaner itself has enough big capacity, like this, just cause hanging the position and increase, institute takes up space and also increases.
Disclose a kind of secondary air-supply device Japan Patent JP62-284917 number, in this device, secondary air control valve is disposed at base side, but in this device second air-strainer is not set.Therefore, this patent does not relate to second air-strainer and how to dispose.
The present invention proposes in view of above-mentioned each problem, its purpose is to provide a kind of secondary air-supply device for the vehicle that is provided with the combined hanging motor, this device can make the vibration absorbing structure of the working part in the above-mentioned vehicle oversimplify, make to hang and start the pusher side miniaturization, reduce institute and take up space.
For achieving the above object, two-wheeled secondary air-supply device of the present invention is in being provided with combined hanging motor two-wheeled, the filter cleaner body is installed in starts pusher side, final cleaner and secondary air control valve that feeding secondary air is used are provided in vehicle body side.
Because secondary air valve separates with motor and is provided in vehicle body side, so, promptly use simple vibration absorbing structure supporting secondary air valve also not to be subjected to the influence of vibration of motor.In addition, because the final cleaner that feeding secondary air is used is arranged on vehicle body side, so can reduce it and take up space so that the pusher side miniaturization is started in suspension.
The present invention for achieving the above object, the present invention relates to two-wheeled except that have with the 1st filter cleaner that the motor suction system links to each other, also has the final cleaner of secondary air being supplied with the venting gas appliance of this motor, so two-wheeled in, secondary air-supply device of the present invention is characterised in that: the front shroud inboard of this final cleaner being located at Vehicular body front.Owing to be equipped with fuel tank, container etc. at rear vehicle, do not have sufficient room to cross filter cleaner and use for second, so utilize said structure, can make full use of space in the front shroud, so can strengthen filter capacity.
With reference to the accompanying drawings, further specify the present invention by description to embodiment.
Fig. 1 is the left surface figure that the motor scooter type motor-driven cart of expression one embodiment of the invention is mainly constructed;
Fig. 2 is the right hand view that vehicle shown in Figure 1 is mainly constructed;
Fig. 3 is the planimetric map that vehicle shown in Figure 1 is mainly constructed;
Fig. 4 is the subsequent figures that vehicle shown in Figure 1 is mainly constructed;
Fig. 5 is the profile of the motor scooter type motor-driven cart of another embodiment of the present invention;
Fig. 6 is the planimetric map of vehicle shown in Figure 5;
Fig. 7 is the VII-VII sectional view among Fig. 5;
Fig. 8 is the VIII direction view among Fig. 5.
Among the figure, 5-seat, 6-vehicle body cladding plate, 7-bottom, 8-head pipe, 9-front fork, 10-front-wheel, 11-crossbeam, 12-vehicle frame, 13-starter motor suspension bracket, 15-sprung parts, 16-trailing wheel, 17-buffer, 18-motor, 19-cylinder part, 20-intakeport, 21-sucking pipe, 22-Carburetor, 23-connecting tube, 24-filter cleaner, 28-relief opening, 29-outlet pipe, 30-silencing apparatus, 31-tailpipe, 32-fuel tank, 33-breathing pipe, 34-jar, 35-remove and manage, 36-removing control valve, 40-taillight carriage, 41-number plate bulb, 2-stop. taillight bulb, 43-blinker tube, 44-lens, 49-carriage, 50-final cleaner, 51-supporting slice, 52-crossbeam, 53-air is taken into mouth, and 54-air is taken into pipe, 55-secondary air ingress pipe, 56-secondary air control valve, 57-carriage, 58-secondary air ingress pipe, 59-pilot valve, 60-secondary air ingress pipe, 61-negative pressure discharge tube, 70-motor scooter type motor-driven cart, 71-sprung parts, 72-motor, 73-cylinder part, 74-seat, 75-helmet storage case, 76-front-wheel, 77-front fork, 78-head pipe, 79-crossbeam, 80-front shroud, 81-vehicle body overlay, 82-fuel tank, 83-jar, 84-filter cleaner, 85-trailing wheel, 86-engine support, 88-buffer, 89-connecting tube, 90-Carburetor, 91-sucking pipe, 92-intakeport, 93-relief opening, 94-outlet pipe, 95-silencing apparatus, 96-taillight, 101-final cleaner, 102-air is taken into pipe, 103-connecting tube, 104-secondary air ingress pipe, 105-underframe, 1 06-secondary air control valve, 107-secondary air ingress pipe, 108-connecting tube, 109-pilot valve, 110-secondary air ingress pipe, 111-negative pressure discharge tube.
Below, explanatory drawing 1 is to embodiment shown in Figure 4.
Present embodiment is applicable to front shroud and covers the motor scooter type motor-driven cart that is formed with foot-operated bottom 7 between the vehicle body cover of seat 5 belows.
Crossbeam 11 props up front fork from pivot a pipe extends bending toward the below, engage with vehicle frame 12 through bottom 7.Vehicle frame 12 connects pairing left and right vehicle frame plate by crossbeam and forms, and rises in the front portion that engages with crossbeam 11, and rearward extend on its top.
Engine lifting bracket 13 is rearward outstanding from the riser portions of vehicle frame 12, the engine support 15a pivot of sprung parts 15 front ends props up the front end at this suspension bracket 13, sprung parts 15 swing is being supported freely, between the rear portion of sprung parts 15 and vehicle frame 12, buffer 17 is housed.
In the front portion of sprung parts 15, integrally be provided with motor 18, the rear portion pivot is propping up trailing wheel, and the transmission of power of motor 18 is built-in at the sprung parts 15 that is positioned at the car body left side to the transfer mechanism of cylinder part 19.
Motor 18 is four stroke engine, and cylinder part 19 is being established to standing at oblique upper with inclining, and sucking pipe 21 begins forwards to stretch out with Carburetor 22 from the intakeport of cylinder part 19 and engages.Upside along the car body of sprung parts 15 left side transfer mechanism is being provided with filter cleaner 24, and the connecting tube 23 that forwards stretches out from filter cleaner 24 is rearward crooked, is connected with Carburetor 22, is loaded on the sprung parts 15 the formation suction system.
On the other hand, joining the silencing apparatus 30 that constitutes vent systems on the right side of trailing wheel 16, the outlet pipe 29 right avertence ground that stretches out downwards from the relief opening 28 of cylinder part 19 rear sides is crooked, downside through silencing apparatus 30 rearward extends, be bent upwards at the rear side of silencing apparatus 30 then with up rolling up, embed in the bellying of silencing apparatus 30 tops.Tail pipe 31 is rearward outstanding from silencing apparatus.
The fuel tank 32 of seat 5 belows is erected on the vehicle frame 12 of pairing left and right.
Breathing pipe 33 stretches out to the left from the top of fuel tank 32, and the left surface of process fuel tank 32 extends downwards, is connected to the jar 34 that is suspended on the vehicle frame 12.
Remove pipe 35 and stretch out from jar 34, passage in transit is removed control valve 36 and is forwards extended suction system connection with motor.
By the evaporated fuel in the fuel tank 32 of jar 34 sorptions, under the control of removing control valve 36,, supply to the suction system of motor by removing pipe 35.
In the rearward end of vehicle frame 12, the taillight carriage 40 of left and right sides wider width rearward is being set highlightedly, intermediate support number plate bulb 41, is supporting about it to stop.Tail-light bulb 42, the lens 44 that 43, one bendings of blinker tube are being supported in the outside about it cover its outside again.
On the front and back position between left-side signal bulb 43 and the preceding note jars 34, be final cleaner 50 cylindraceous and its supporting slice 51 be fixed on the carriage 49 and hanging obliquely by bolt 52.This carriage 49 is the (see figure 4)s of establishing at the inside pleurapophysis in the left frame rear portion of vehicle frame 12.
The crossbeam 52 that is erected at final cleaner 50 tops is provided with air and is taken into mouth 53, be taken into mouthful 53 air that stretch out to left from air and be taken into pipe 54 bending downwards, walk around second air filter 50 from the outside, the suction connection 50 below protruding in final cleaner 50 is connected.
It is outstanding above final cleaner 50 to discharge connecting tube 50b, the secondary air ingress pipe 55 that links to each other with discharge connecting tube 50b is rearward crooked earlier, turn right then and extend downwards, the left side frame side-lower just extension forward outside it along vehicle frame 12 is connected with secondary air control valve 56.
Secondary air control valve 56 is installed on the carriage 57 by rubber, and this carriage 57 is established from the outside pleurapophysis of left side frame.
Having flexual secondary air ingress pipe 58 extends forward from secondary air control valve 56 again, become bent toward below on the right side of the cylinder part 19 of motor 18, be connected to the pilot valve 59 that is fixed on the cylinder blocks, secondary air ingress pipe 60 stretches out from pilot valve 59, is connected to the relief opening (see figure 2) of motor 18.
In addition, the negative pressure discharge tube 61 of flexible stretches out from the top of above-mentioned secondary air control valve 56, extends toward the place ahead through its outside along the left side frame of vehicle frame 12, and bending downwards is connected with the intakeport of motor 18.
The structure of secondary air supply is the above, in motion, the negative pressure of suction system is opened secondary air valve 56 by negative pressure discharge tube 61, simultaneously, because the exhaust fluctuation pressure of vent systems is opened pilot valve 59, import relief opening by separating the secondary air that second air filter 50 that is arranged on vehicle body side purifies by secondary air ingress pipe 55,58,60, impel the oxidation of unburned gas composition in the exhaust with filter cleaner 24.
Because secondary air control valve 56 is installed on the vehicle frame 12, rather than is installed in sprung parts 15 sides of swing, so directly be not subjected to the influence of vibration of motor 18.
In addition, because final cleaner 50 and being arranged on the vehicle frame 12 that filter cleaner 24 separates so there is no need to increase the capacity of filter cleaner 24, can make the miniaturization of swing part position, reduce institute and take up space.
Below, with reference to Fig. 5 to Fig. 8 an alternative embodiment of the invention is described.
In the motor scooter type motor-driven cart 70 of present embodiment, roughly outstanding towards horizontal the place ahead with the cylinder part 73 of 71 one-tenth whole motors 72 that are provided with of sprung parts, being provided with above it with seat 74 is the helmet storage case 75 of lid.
On the front fork 77 pivot Zhi Zaitou pipe 78 of an axle front-wheel 76, crossbeam 79 extension downwards of from the beginning managing 78 left and right sides bifurcateds is crooked, rises upward then through pedal position, is inclined to oblique rear gradually and arrives the rear end, and left and right sides vehicle frame fuses.
The Vehicular body front that is formed framework by this crossbeam 79 is covered by front shroud 80, and the rear portion is covered by vehicle body overlay 81.
Rear support at crossbeam 79 has fuel tank 82, from riser portions to 82 of the fuel tanks of crossbeam 79 helmet storage case 75 is being set.
Below the right side of fuel tank 82, jars 83 are suspended on the crossbeam 79 by carriage.
Sprung parts 71 becomes integrally be provided with motor with the forwardly forwards outstanding state of cylinder part 73, is propping up trailing wheel 85 in its rear axle, and drive transmission mechanism couples together front and back.
The part of the cylinder head of the anterior motor 72 of sprung parts 71 runs through between the left and right sides crossbeam 79 forwards outstanding.
Above sprung parts 71 latter half of, loading whole filter cleaner 84, the connecting tube 89 that forwards stretches out from filter cleaner 84 is connected to the Carburetor 90 that is fixed on motor 72 tops, sucking pipe 91 stretches out from Carburetor 90, is connected to the top intakeport 92 of motor 72.
Outlet pipe 94 stretches out from the downside relief opening 93 of motor 72, extends through right side side backward, and intercalation goes into to be provided in the silencing apparatus 95 on trailing wheel 85 right sides, and tailpipe 96 stretches out from silencing apparatus 95.
In above-mentioned motor scooter type motor-driven cart 70, final cleaner 101 is loaded on the carriage 100 that is based in head pipe 78 the place aheads.
The structure that is final cleaner 101 cylindraceous is such: it is rearward crooked that the air that stretches out to the left is taken into pipe 102, it is open-ended to be taken into mouth as air, and the front end of secondary air ingress pipe 104 is connected from final cleaner 101 right sides and stretches out on the rearward crooked connecting tube 103.
In the minimum bottom of crossbeam 79, about outer slightly choosing, setting up underframe 105, secondary air control valve 106 is fixed on the right side underframe 105, the rear end of above-mentioned secondary air ingress pipe 104 is connected on this secondary air control valve 106.
Secondary air control valve 106 is positioned at right side frames 79 the place ahead of curved part rearward, secondary air ingress pipe 104 from the final cleaner 101 of front-wheel 26 tops rearward down bending directly reach secondary air control valve 106.
Secondary air catheter tube 107 is rearward stretched out from secondary air control valve 106, lateral rear extension along right side frames 79, crooked to the left in front of crossbeam 79 rising portions, pass through the width of the carbody center, the sigmoid of turning back is downwards connecting an end of the crooked pliability connecting tube 108 that takes the shape of the letter U in its end.
Connecting tube 108 turn right after to the left bending become U-shaped, be connected (seeing Fig. 6,7) at oblique upper with the pilot valve 109 that is fixed on cylinder head 73a underpart.
Upper wall surface along cylinder head 73a is the U font and sets secondary air ingress pipe 110 from pilot valve 109, and is connected to the relief opening (see figure 8) of motor 72.
On the other hand, another root negative pressure discharge tube 111 that stretches out from secondary air control valve 106 extends along secondary air ingress pipe 107, is connected to the intakeport of motor 72.
Because the negative pressure of suction system is opened secondary air control valve 106 by negative pressure discharge tube 111, the exhaust fluctuation pressure is opened pilot valve 109, so the secondary air that is purified by final cleaner 101 imports relief opening by secondary air ingress pipe 104,107, connecting tube 108, secondary air ingress pipe 110, impels the unburned gas composition oxidation in the exhaust.
Secondary air control valve 106 is located at vehicle body side, directly is not subjected to the influence of vibration of motor 72, and final cleaner 101 is arranged on vehicle body side dividually with filter cleaner 84, so can make and the swing position miniaturization of sprung parts 71 can take up space less.
Among the present invention, secondary air control valve is provided in frame sides, is arranged with the motor branch, so secondary air control valve is not subjected to the influence of engine luggine.
In addition, the final cleaner that feeding secondary air is used is located at vehicle body side, therefore can take up space less so that the swing position of oscillating engine pusher side becomes compact.
Have again,,, make the compact structure on every side of motor, miniaturization so can make full use of the space in the front shroud because final cleaner of the present invention is provided in the front shroud inboard.
Claims (1)
1. two-wheeled secondary air-supply device, except that have with first air-strainer that the motor suction system links to each other, also have in the final cleaner of the venting gas appliance feeding secondary air of this motor two-wheeled, it is characterized in that: second air-strainer is equipped on the front shroud inboard of Vehicular body front.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15593492A JP3231400B2 (en) | 1992-05-22 | 1992-05-22 | Secondary air supply device for motorcycle |
| JP155934/92 | 1992-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1079272A CN1079272A (en) | 1993-12-08 |
| CN1036216C true CN1036216C (en) | 1997-10-22 |
Family
ID=15616710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93105944A Expired - Fee Related CN1036216C (en) | 1992-05-22 | 1993-05-20 | Secondary air supplying unit in motor bike |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3231400B2 (en) |
| CN (1) | CN1036216C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333987B (en) * | 2007-06-28 | 2011-12-14 | 本田技研工业株式会社 | Scooter-type vehicle |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3821900B2 (en) * | 1997-02-07 | 2006-09-13 | ヤマハ発動機株式会社 | Scooter type motorcycle |
| JP4015218B2 (en) * | 1997-02-17 | 2007-11-28 | ヤマハ発動機株式会社 | Scooter type motorcycle |
| JP4093512B2 (en) * | 1998-11-25 | 2008-06-04 | 本田技研工業株式会社 | Secondary air supply device for engine exhaust |
| JP4291035B2 (en) * | 2003-04-25 | 2009-07-08 | 本田技研工業株式会社 | Arrangement structure of secondary air supply device for motorcycle |
| JP2010229840A (en) * | 2009-03-26 | 2010-10-14 | Honda Motor Co Ltd | Motorcycle |
| JP5280273B2 (en) * | 2009-03-30 | 2013-09-04 | 本田技研工業株式会社 | Canister layout for saddle-ride type vehicles |
| JP5778947B2 (en) * | 2011-03-02 | 2015-09-16 | 本田技研工業株式会社 | Exhaust gas purification device for saddle-ride type vehicles |
| JP5753046B2 (en) * | 2011-09-22 | 2015-07-22 | 本田技研工業株式会社 | Canister layout for saddle riding type vehicles |
| JP5798207B2 (en) * | 2014-03-12 | 2015-10-21 | 本田技研工業株式会社 | Canister layout structure for saddle-ride type vehicles |
| CN104290847B (en) * | 2014-09-10 | 2017-01-11 | 重庆隆鑫机车有限公司 | Motorcycle frame front frame structure and motorcycle with same |
| CN105569878B (en) * | 2016-02-18 | 2018-05-29 | 力帆实业(集团)股份有限公司 | A kind of check valve ventilation device of air intaking for motor cycle system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62284917A (en) * | 1986-06-02 | 1987-12-10 | Yamaha Motor Co Ltd | Secondary air feed device for purifying exhaust gas of motorcycle |
-
1992
- 1992-05-22 JP JP15593492A patent/JP3231400B2/en not_active Expired - Lifetime
-
1993
- 1993-05-20 CN CN93105944A patent/CN1036216C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62284917A (en) * | 1986-06-02 | 1987-12-10 | Yamaha Motor Co Ltd | Secondary air feed device for purifying exhaust gas of motorcycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333987B (en) * | 2007-06-28 | 2011-12-14 | 本田技研工业株式会社 | Scooter-type vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05321657A (en) | 1993-12-07 |
| CN1079272A (en) | 1993-12-08 |
| JP3231400B2 (en) | 2001-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| 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: 19971022 Termination date: 20110520 |