CN1540144A - Layout structure of secondary air feeding device for motor cycle - Google Patents

Layout structure of secondary air feeding device for motor cycle Download PDF

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Publication number
CN1540144A
CN1540144A CNA2004100325762A CN200410032576A CN1540144A CN 1540144 A CN1540144 A CN 1540144A CN A2004100325762 A CNA2004100325762 A CN A2004100325762A CN 200410032576 A CN200410032576 A CN 200410032576A CN 1540144 A CN1540144 A CN 1540144A
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CN
China
Prior art keywords
secondary air
supply device
control valve
motor
pipe
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Granted
Application number
CNA2004100325762A
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Chinese (zh)
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CN1330862C (en
Inventor
荻z纪之
荻巣纪之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication of CN1540144A publication Critical patent/CN1540144A/en
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Publication of CN1330862C publication Critical patent/CN1330862C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Provided is an arrangement structure of a secondary air supply device wherein the secondary air supply device including a secondary air valve is not influenced from the forward and installation of a secondary air pipe is facilitated. Left and right metal tubes 82, 92 which are a main part of the secondary air pipe are made to run above an exhaust pipe 26. Attaching/detaching operation of the metal tubes 82, 92 to a cylinder head 85 is facilitated as shown in the drawings. Also, although a plurality of the metal tubes 82, 92 are bent and formed, tube layout and piping design of the metal tubes 82, 92 become easy. Also, since the secondary air supply device 50 including a secondary air control valve 60 is arranged behind a front face of a downtube 23, the downtube 23 serves as a protector for the secondary air supply device 50. As a result of that, trouble such as deformation of the secondary air supply device 50 caused by external force from the forward can be prevented.

Description

The configuration structure of motorcycle-use secondary air-supply device
Technical field
The present invention relates to the configuration improvement technology of motorcycle-use secondary air-supply device.
Background technique
It is well-known (for example, with reference to patent documentation 1) that the configuration of motorcycle-use secondary air-supply device improves technology always
[patent documentation 1] spy opens flat 8-218859 communique (Fig. 1, Fig. 2)
Figure 12 is the copy pattern of Fig. 1 of patent documentation 1, is illustrated in the place ahead configuration secondary air valve 11 of cylinder 2 among the figure, the structure by secondary air pipe 8 between outlet pipe 6 and cylinder 2.
Narrow gaps between outlet pipe 6 and the cylinder 2 as seen from the figure.
In addition, secondary air valve 11 is outstanding forward a part of from down tube 9 as seen from the figure.In addition, above scheming, oil cooler 10 is not the parts that block secondary air valve 11 the place aheads below down tube 9.(Fig. 2 of patent documentation 1)
As mentioned above, because the part of secondary air valve 11 is outstanding forward from down tube 9, so secondary air valve 11 probably can be subjected to the external impacts from the place ahead.
In addition, because secondary air pipe 8 is by narrow space, therefore the degrees of freedom of design is restricted, meanwhile, when this being installed managing 8 operation pretty troublesome, increase the installation work-hour of secondary air pipe 8.
Summary of the invention
At this, the objective of the invention is to: a kind of configuration structure of secondary air-supply device is provided, and it does not worry comprising that the secondary air-supply device of secondary air valve is subjected to the impact from the place ahead, and the secondary air pipe arrangement is assembled easily.
In order to reach described purpose, the motor bike of first aspect present invention, with motor be installed in from the beginning main car frame that pipe rearward extends with between the down tube of described head pipe extension downwards, dispose secondary air-supply device near described motor, this secondary air-supply device is to this engine's exhaust system feeding secondary air;
Described secondary air-supply device is made of following parts: secondary air control valve, and it is according to the flow of the negative pressure control secondary air of vent systems; The secondary air supplying pipe, it is to this secondary air control valve air supply; The secondary air pipe arrangement, it imports air from described secondary air control valve to vent systems.Described secondary air control valve is configured in the side of the top down tube of motor; Described secondary air pipe arrangement is passed through from the rear of the top down tube of the extended outlet pipe of motor.
Because at the rear of down tube configuration secondary air pipe arrangement, thereby, do not worry that the secondary air pipe arrangement can be out of shape by external impacts; Because the secondary air pipe arrangement is by the top of outlet pipe, thus do not worry and interference such as outlet pipe, so, carry out PIPING DESIGN easily, simultaneously, the installation of secondary air pipe arrangement is also easy.
In second aspect present invention, motor is the arranged side by side multicylinder engine of bent axle in the car horizontal expansion, makes that the position falls between the cylinder of housing front portion, at this recess by the secondary air pipe arrangement.
Because at recess by the secondary air pipe arrangement, so can easily dismantle housing, can easily check the valve actuating gear on the cylinder head.
In third aspect present invention, secondary air control valve is supported on the described down tube with dunnage and elastic component elasticity.
Although down tube is with being responsible for vibration, because and clip elastic component between the secondary air control valve and can weaken vibration, the vibration of secondary air control valve can be suppressed.The internal structure complexity of secondary air control valve is subjected to influence of vibration easily, but weakens vibration as described above, can make the stable performance of secondary air control valve.
In fourth aspect present invention, collocation point fire coil below main car frame disposes described secondary air control valve at the side-lower of this spark coil.
Owing to secondary air-supply device collocation point fire coil, just can effectively utilize above the motor space under the main car frame in the space between main car frame and motor.
Owing at the side-lower configuration secondary air control valve of spark coil, thereby can not be subjected to spark coil to hinder ground, improve operating efficiency from the installation of main car frame down tube side, dismounting secondary air control valve.
Description of drawings
Fig. 1 relates to the profile of motor bike of the present invention;
Fig. 2 is the major component enlarged view of Fig. 1;
Fig. 3 is the three-dimensional exploded view of the major component of Fig. 1;
Fig. 4 is the plan view of explanation right secondary air pipe arrangement of the present invention;
Fig. 5 is the plan view of explanation right secondary air pipe arrangement of the present invention;
Fig. 6 is the plan view of explanation the second from left of the present invention time air pipe arrangement;
Fig. 7 is the plan view of explanation the second from left of the present invention time air pipe arrangement;
Fig. 8 is the plan view (composite diagram of Fig. 5 and Fig. 7) on motor of the present invention top;
Fig. 9 is the plan view (composite diagram of Fig. 4 and Fig. 6) on motor of the present invention top;
Figure 10 is the action diagram of housing of the present invention;
Figure 11 is the plan view of cylinder head of the present invention;
Figure 12 is the copy pattern of Fig. 1 of patent documentation 1.
The unit number explanation
20... motor bike; 21... head pipe; 22... main car frame; 23... down tube; 24... motor; 26... outlet pipe; 50... secondary air-supply device; 53... as elastomeric rubber bushing; 54...L type fagging; 60... secondary air control valve; 65... secondary air supplying pipe; 75,77... spark coil; 80,90... secondary air pipe arrangement; 83... housing; 84... the recess between cylinder; 85... cylinder head.
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.In addition, accompanying drawing sees that by the sensing of numbering its front, rear, left and right are from the being seen direction of driver.
Fig. 1 relates to the profile of motor bike of the present invention, from the beginning motor bike 20 manages 21 main car frames 22 that extend back, from the beginning manage 21 to oblique below extension down tube 23, motor 24 is installed between this main car frame 22 and down tube 23, the crankcase 25 of walking around motor 24 from motor 24 extends outlet pipe 26, and, extend the stay tube 29 of seat rail bar 28 and this seat rail bar 28 of support from the rear portion 27 of main car frame 22, fuel tank 31 is installed on main car frame 22, and doubly-linked seat 32 is installed on seat rail bar 28, along doubly-linked chair mounted side cover 33, front portion with this side cover 33 covers air-strainer 35, configuration vaporizer 36 between this air-strainer 35 and motor 24, and at the place ahead of head pipe 21 configuration front-wheel 37, front mudguard 38, front fork 39, Joystick 41, headlight 42, and extend swing arm 43 from the rear portion 27 of main car frame 22, trailing wheel 44 is installed on this swing arm 43; Configuration secondary air-supply device 50 of the present invention above motor 24 below the main car frame 22.
Fig. 2 is the major component enlarged view of Fig. 1, and Fig. 3 is the major component exploded perspective view of Fig. 1, for the ease of understanding at first explanatory drawing 3.
At Fig. 3, the state mounting plate 51 of left surface at down tube 23 to extend left, welded nut 52,52 on this plate 51, on this plate 51, be arranged in order rubber bushing 53,53, L type fagging 54, rubber bushing 53,53, packing ring 55,55, be fastenedly connected with bolt 56,56 as elastic component from the front.In addition, fagging 54 is fastening at fore-and-aft direction, but also can be fastening by elastic component at left and right directions.
L type fagging 54 is overlooked the font into L, its first flanging 57 is assemblied on the plate 51, upright sleeve pipe 59,59 on its second flanging 58 by use bolt 61,61 fastening secondary air control valves 60 on this sleeve pipe 59,59, can be installed in secondary air control valve 60 on the L type fagging 54.
Secondary air control valve 60 has 62 and two outlets of an inlet (anterior outlet 63 and rear portion outlet 64).And, connect secondary air supplying pipe 65 at inlet 62, forwardly export 63 and connect right rubber pipe 66, connect left rubber pipe 67 in rear portion outlet 64.The 68th, flexible pipe larynx hoop.
In addition, in the bottom of main car frame 22 vehicle frame weld part 71 is set, on this vehicle frame weld part 71, cross fagging 72 is installed with bolt 73,73, from cross fagging 72 tops in face of mounting points fire coil 75 on the top flanging 74 of bending, from cross fagging 72 bottoms in face of the bottom flanging 76 of bending another spark coils 77 are installed.
Spark coil 75,77 is configured in the below of main car frame 22, and near the position of car transverse center, at the side-lower configuration secondary air control valve 60 of spark coil 75,77.
First flanging 57 extends to the left from the car transverse center, on second flanging 58 vertical, secondary air control valve 60 is installed with this first flanging 57, therefore, dispose secondary air control valve 60 for the side at spark coil 75,77, L type fagging is convenient, effective parts.
See Fig. 2 again, expression is installed in motor 24 and from the beginning manages 21 main car frames that extend back 22 and from the beginning manage between 21 down tubes 23 that extend downwards among the figure, to the secondary air-supply device 50 of the vent systems feeding secondary air of this motor 24 be configured in motor 24 near.
And then, the secondary air control valve 60 of the side of down tube 23 above motor 24 (side in face of leaning in the drawings) configuration secondary air-supply device 50; With the rear of left and right sides rubber pipe 66,67 by the top down tube 23 of outlet pipe 26.
And, spark coil 75,77 in secondary air-supply device 50 is configured in space between main car frame 22 and the motor 24, therefore can be effectively utilized the space of motor 24 tops to main car frame 22 belows.
Below, describe the structure that imports the secondary air pipe arrangement of air from secondary air control valve to vent systems in detail.
Fig. 4 is the plan view that is used to illustrate right secondary air pipe arrangement of the present invention, Fig. 5 is the plan view that is used to illustrate right secondary air pipe arrangement of the present invention, as shown in Figure 5, right secondary air pipe arrangement 80 is made up of right rubber pipe 66 and right metal tube 82, right rubber pipe 66 extends from the front portion outlet 63 of secondary air control valve 60, and right metal tube 82 connects this rubber pipe 66 and continues to extend near the relief opening 81.
As shown in Figure 4, right metal tube 82 is accommodated in the recess 84 that is provided with between the cylinder of the front portion of housing 83.When considering when scheming surperficial direction, can not disturb right metal tube 82 dismounting housings 83 from cylinder head 85 dismounting housings 83.
Fig. 6 is the plan view that is used to illustrate the second from left of the present invention time air pipe arrangement, Fig. 7 is the plan view that is used to illustrate the second from left of the present invention time air pipe arrangement, as shown in Figure 7, the second from left time air pipe arrangement 90 is made up of left rubber pipe 67 and left metal tube 92, left side rubber pipe 67 extends from secondary air control valve 60, and left metal tube 92 connects this rubber pipe 67 and continues to extend near the relief opening 91.
As shown in Figure 6, the major part most of and left rubber pipe 67 of secondary air supplying pipe 65 has been passed through the part that does not have cooled blade 93 of housing 83.When considering when scheming surperficial direction, because secondary air supplying pipe 65 and left rubber pipe 67 are accommodated in the part 93 that does not have cooled blade, so it is easy that demolition housing 83 becomes from cylinder head 85 dismounting housings 83.
Fig. 8 is the plan view on motor of the present invention top, promptly is the composite diagram of Fig. 5 and Fig. 7.The figure shows from secondary air control valve 60 and extending right rubber pipe 66 and right metal tube 82, extending the state of left rubber pipe 67 and left metal tube 92 from secondary air control valve 60.
Fig. 9 is the plan view on motor of the present invention top, promptly is the composite diagram of Fig. 4 and Fig. 6.The figure shows the major part of the major part of secondary air supplying pipe 65 and left rubber pipe 67 the part that does not have cooled blade 93 by housing 83, and, in the recess 84 of right metal tube 82 folding and unfoldings between the cylinder of the front portion that is arranged on housing 83.
As a result, can not disturb right metal tube 82 dismounting housings 83, simultaneously, because secondary air supplying pipe 65 and 67 folding and unfoldings of left rubber pipe are in the part 93 that does not have cooled blade, so housing 83 is dismantled easily.
In addition, metal tube 82,92 pliabilities are poor, therefore, and folding and unfolding the place ahead in recess 84 or by cylinder head 85.Like this, when dismounting housing 83, just can avoid interference fully.
In addition, rubber pipe 66,67 pliabilities are good, therefore, a part passed through cooled blade 94 directly over, can crooked rubber pipe during housing 83 in dismounting, can save the expense of opening housing like this.
Figure 10 is the action diagram of housing of the present invention, and between the part that does not have cooled blade 93 of expression housing 83 and the secondary air supplying pipe 65 is distance D at interval.As a result, can be with housing 83 range of lift D or above (can be bent upwards the distance of secondary air supplying pipe 65) from the cylinder head 85.Can pull down housing 83 inspections and not make illustrated valve actuating gear.
And; as seen from the figure; position after the secondary air-supply device 50 that comprises secondary air control valve 60 is configured in and is leaned on by the front of down tube 23; and it is not outstanding forward from down tube 23; thereby down tube 23 becomes the protector of secondary air-supply device 50; as a result, do not worry that secondary air-supply device 50 can be subjected to from the external force in the place ahead and is out of shape.
Figure 11 is the front elevation of cylinder head of the present invention, and expression left and right sides metal tube 82,92 is by the top of outlet pipe 26,26.Operate easily when as seen from the figure, on cylinder head 85, carrying out 82,92 operations of attaching/detaching metal tube.Simultaneously, also have no relations, also carry out the pipeline configuration easily, make the PIPING DESIGN of metal tube 82,92 easy although metal tube 82,92 bends to complicated shape.
The collocation point fire coil 75,77 below main car frame 22, at below, side (right side among the figure) the configuration secondary air control valve 60 of this spark coil 75,77.
Because configuration secondary air control valve 60 below the side of spark coil 75,77, so, not hindered by spark coil and install, dismantle secondary air control valve 60 from down tube 23 sides, improved operating efficiency.
Concrete grammar is, unclamp bolt 56,56 in face of pull down, in face of draw L type fagging 54, like this, just can in face of pull down secondary air control valve 60 from main car frame 22.Such method for dismounting can carry out respectively with the spark coil 75,77 of back.Just, according to the present invention, just can dismantle, install secondary air control valve 60 without point of contact fire coil 75,77.
Replace spark coil 75,77 also can dispose miscellaneous parts such as CD1 unit, telltale relay.
In addition, be the example explanation at present embodiment with two cylinder engines, also can be single cylinder or the above motor of three cylinders.
[effect of invention]
The present invention brings into play following effect by described structure.
According to first aspect present invention, because at the rear of down tube configuration secondary air pipe arrangement, thereby, do not worry that the secondary air pipe arrangement can be out of shape by external impacts; Because the secondary air pipe arrangement is by the top of outlet pipe, thus do not worry and interference such as outlet pipe, so, carry out PIPING DESIGN easily, simultaneously, the installation of secondary air pipe arrangement is also easy.
In second aspect present invention, motor is the arranged side by side multicylinder engine of bent axle in the car horizontal expansion, makes that the position falls between the cylinder of housing front portion, at this recess by the secondary air pipe arrangement.
Because at recess by the secondary air pipe arrangement, so can easily dismantle housing, can easily check the valve actuating gear on the cylinder head.
In third aspect present invention, secondary air control valve is supported on the described down tube with dunnage and elastic component elasticity.
Although down tube is with being responsible for vibration, because and clip elastic component between the secondary air control valve and can weaken vibration, the vibration of secondary air control valve can be suppressed.The internal structure complexity of secondary air control valve is subjected to influence of vibration easily, but weakens vibration as described above, can make the stable performance of secondary air control valve.
In fourth aspect present invention, collocation point fire coil below main car frame disposes described secondary air control valve at the side-lower of this spark coil.
Owing to secondary air-supply device collocation point fire coil, just can effectively utilize above the motor space under the main car frame in the space between main car frame and motor.
Owing at the side-lower configuration secondary air control valve of spark coil, thereby can not be subjected to spark coil to hinder ground, improve operating efficiency from the installation of main car frame down tube side, dismounting secondary air control valve.

Claims (4)

1. the configuration structure of a motorcycle-use secondary air-supply device, it is characterized in that, in described motor bike, described motor is installed in the main car frame of from the beginning pipe extension rearward and manages between the down tube that extends downwards from described head, described secondary air-supply device is configured near the motor, to this engine's exhaust system feeding secondary air
Described secondary air-supply device has: according to the secondary air control valve of the negative pressure of vent systems control secondary air flow, to air fed secondary air supplying pipe of this secondary air control valve and secondary air pipe arrangement from described secondary air control valve to vent systems that import air from
Described secondary air control valve is configured in the side of the top down tube of motor;
Described secondary air pipe arrangement is passed through from the rear of the top down tube of the extended outlet pipe of motor.
2. the configuration structure of motorcycle-use secondary air-supply device as claimed in claim 1, it is characterized in that, described motor is the arranged side by side multicylinder engine of bent axle in the car horizontal expansion, makes that the position falls between the cylinder of housing front portion, at this recess by the secondary air pipe arrangement.
3. the configuration structure of motorcycle-use secondary air-supply device as claimed in claim 1 is characterized in that, secondary air control valve is supported on the described down tube with dunnage and elastic component elasticity.
4. the configuration structure of motorcycle-use secondary air-supply device as claimed in claim 1 is characterized in that, collocation point fire coil below main car frame disposes described secondary air control valve at the side-lower of this spark coil.
CNB2004100325762A 2003-04-25 2004-04-09 Layout structure of secondary air feeding device for motor cycle Expired - Fee Related CN1330862C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP122137/03 2003-04-25
JP122137/2003 2003-04-25
JP2003122137A JP4291035B2 (en) 2003-04-25 2003-04-25 Arrangement structure of secondary air supply device for motorcycle

Publications (2)

Publication Number Publication Date
CN1540144A true CN1540144A (en) 2004-10-27
CN1330862C CN1330862C (en) 2007-08-08

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CNB2004100325762A Expired - Fee Related CN1330862C (en) 2003-04-25 2004-04-09 Layout structure of secondary air feeding device for motor cycle

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CN (1) CN1330862C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4785658B2 (en) * 2006-07-21 2011-10-05 本田技研工業株式会社 Scooter type motorcycle
JP5156968B2 (en) * 2008-01-31 2013-03-06 本田技研工業株式会社 Motorcycle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3231400B2 (en) * 1992-05-22 2001-11-19 本田技研工業株式会社 Secondary air supply device for motorcycle
JP3489242B2 (en) * 1995-02-13 2004-01-19 スズキ株式会社 Secondary air supply system for motorcycle engine
JP3815048B2 (en) * 1998-04-27 2006-08-30 スズキ株式会社 Secondary air supply device for scooter type vehicle
JP3890898B2 (en) * 2001-02-13 2007-03-07 スズキ株式会社 Secondary air supply device for scooter type motorcycle

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Publication number Publication date
CN1330862C (en) 2007-08-08
JP2004324580A (en) 2004-11-18
JP4291035B2 (en) 2009-07-08

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Granted publication date: 20070808

Termination date: 20180409