CN1288032C - Installing structure of mufflex of two-wheel motorcycle - Google Patents

Installing structure of mufflex of two-wheel motorcycle Download PDF

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Publication number
CN1288032C
CN1288032C CN 03108432 CN03108432A CN1288032C CN 1288032 C CN1288032 C CN 1288032C CN 03108432 CN03108432 CN 03108432 CN 03108432 A CN03108432 A CN 03108432A CN 1288032 C CN1288032 C CN 1288032C
Authority
CN
China
Prior art keywords
exhaust gas
silencer
arm
gas silencer
aforementioned
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
Application number
CN 03108432
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Chinese (zh)
Other versions
CN1461713A (en
Inventor
大川寧
河本秀一
矢萩邦夫
平山周二
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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Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN1461713A publication Critical patent/CN1461713A/en
Application granted granted Critical
Publication of CN1288032C publication Critical patent/CN1288032C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1822Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

In a motorcycle, to firmly support an exhaust muffler onto a power unit while dispersing the weight of the power unit and the exhaust muffler to both the left and right sides of a rear wheel. In the motorcycle in which both end portions of a horizontal pivot shaft 24 for turnably supporting a hanger arm 26 formed on a casing 10 of the power unit P are connected to a vehicle body frame 1, the exhaust muffler 17 disposed on the side opposite to an engine E with the rear wheel 6r therebetween is connected to an exhaust pipe 16 extended from the engine E and bypassing the rear wheel 6r, and the exhaust muffler 17 is supported on an end portion of the hanger arm 26 on the side of the exhaust muffler 17 through a muffler stay 30.

Description

The exhaust gas silencer of two-wheeled motor vehicle set structure
Technical field
The present invention relates to two-wheeled motor vehicle, particularly the exhaust gas silencer of driving engine is provided in the structure on the power unit.Described two-wheeled motor vehicle will be configured in a side about trailing wheel by driving engine with at the power unit that the change-speed box that links trailing wheel on the output shaft constitutes, and the both ends of supporting on the shell that is formed on this power unit rotationally arm, horizontal pivot shaft are connected on the vehicle body frame.
Background technology
Two-wheeled motor vehicle as described above, for example, the spy open in the flat 11-2125 communique disclosed like that, by known to the public.In the past, in such two-wheeled motor vehicle, the exhaust gas silencer of driving engine with power unit be configured in trailing wheel about a side, and be installed in the suitable position of power unit.
Setting in the structure of exhaust gas silencer in two-wheeled motor vehicle in the past, because the adjacency configuration of power unit and exhaust gas silencer, can carry out the opposite one side with respect to the support of power unit of exhaust gas silencer strongly, the weight that comprises the power unit of exhaust gas silencer all concentrate on trailing wheel about a side, the length setting that also is not easy to connect the freeing pipe between driving engine and the exhaust gas silencer in addition becomes sufficient length.
The present invention In view of the foregoing, its purpose is, provide two-wheeled motor vehicle exhaust gas silencer set structure, the weight that makes power unit and exhaust gas silencer to the left and right sides of trailing wheel disperse to become possible in, can carry out the support to power unit of exhaust gas silencer strongly, the length setting of freeing pipe can be become sufficient length simultaneously.
Summary of the invention
To achieve these goals, setting in the structure of the exhaust gas silencer of two-wheeled motor vehicle of the present invention, described two-wheeled motor vehicle will be configured in a side about trailing wheel by driving engine with at the power unit that the change-speed box that links trailing wheel on the output shaft constitutes, the both ends of supporting the horizontal pivot shaft of the arm on the shell that is formed on this power unit rotationally are connected on the vehicle body frame, it first is characterised in that, in downstream end from the freeing pipe of the extended circuitous trailing wheel of driving engine, connection is configured in exhaust gas silencer with the driving engine opposition side across trailing wheel, this exhaust gas silencer is supported on the end of exhaust gas silencer one side of aforementioned arm by the silencer strut.
In addition, aforementioned shell is corresponding with crankcase 10 in the embodiments of the invention described later, and aforementioned connecting part is corresponding with connection bump portion 31.
According to above-mentioned first feature, power unit and exhaust gas silencer be in trailing wheel left and right sides separate configuration, can do one's utmost to seek the balance of the left and right sides weight of car body.
In addition, by the downstream end of connection on exhaust gas silencer from the freeing pipe of the front portion of the driving engine extension of power unit, circuitous trailing wheel, the pipe range of abundant length can be easily given, the raising of output performance of particularly low, the middling speed of driving engine can be helped to obtain this freeing pipe.
And, although exhaust gas silencer leaves the power unit configuration, the leading section of the silencer strut by will supporting this exhaust gas silencer is connected on the end of exhaust gas silencer one side of arm, can use short silencer strut, can improve the rigidity of support of exhaust gas silencer.
The present invention is on the basis of first feature, it second is characterised in that, when the cardinal extremity with this silencer strut is fixed on the exhaust gas silencer, form a pair of connecting part up and down at the front end of this silencer strut, with these connecting parts from clipping aforementioned pivot up and down, being connected on the aforementioned arm by link.
According to above-mentioned second feature, make the load dispersing that is applied to the exhaust gas silencer on the arm around pivot, alleviate the load of concentrating to arm, can seek the raising of its durability.
Have again, the present invention is on the basis of first or second feature, it the 3rd is characterised in that, on the end face of exhaust gas silencer one side of aforementioned arm, carve and establish bolt hole with axis parallel with aforementioned pivot, screw togather fasteningly by being punctured into as the bolt of link and this bolt hole on the aforementioned connecting part, connecting part is connected on the aforementioned arm from the car body outside.
According to above-mentioned the 3rd feature, can be not easily do not carried out the screwing togather of aforementioned bolt, fastening intrusively by other article, can seek the raising to the assembleability of arm of silencer strut, and, by the following hole of the bearing hole that is supported on the arm on the pivot mutually and aforementioned bolt hole being carried out multiaxis processing, can form at one stroke, also have aforementioned bolt hole to dispose, can seek the densification of arm near pivot.
Description of drawings
Fig. 1 is the lateral plan with two-wheeled motor vehicle that sets structure of exhaust gas silencer of the present invention.
Fig. 2 be Fig. 1 want portion's enlarged side view.
Fig. 3 is the 3-3 arrow view of Fig. 2.
Fig. 4 is the 4-4 line cutaway view of Fig. 2.
The specific embodiment
One embodiment of the present of invention with reference to the accompanying drawings illustrate embodiments of the present invention.
Fig. 1 is the lateral plan with two-wheeled motor vehicle that sets structure of exhaust gas silencer of the present invention, Fig. 2 be Fig. 1 want portion's enlarged side view, Fig. 3 is the 3-3 arrow view of Fig. 2, Fig. 4 is the 4-4 line cutaway view of Fig. 2.
At first in Fig. 1, the vehicle body frame 1 of two-wheeled motor vehicle S is made of following: from the head pipe 1h that can support front fork 2 with turning to extend downwards, the front frame 1f of sustain pedal face 3, extend upward from the rear end of this front frame 1f, supporting tool case 4, take rear portion vehicle frame 1r with seat 5 and Fuel Tank 7; Front-wheel 6f in front fork 2 upper and lower side pivotal support, on the vehicle frame 1r of rear portion, can hang power unit P with swinging up and down, to support and to drive trailing wheel 6r and between rear portion vehicle frame 1r and power unit P, rear shock absorber 8 is installed.In addition, forwardly on the vehicle frame 1f support 9 that car body can be supported oneself is installed.Like this, two-wheeled motor vehicle S constitutes pedal-type.
As shown in Figures 2 and 3, power unit P is in the crankcase 10 of driving engine E, takes in bent axle and speed-changing mechanism together and the device that constitutes, be configured in trailing wheel 6r about a side, in graphic example, be to be configured in the right side.And, from the output shaft 12 of the outstanding aforementioned speed-changing mechanism of the wall of rear portion one side of crankcase 10, trailing wheel 6r is installed.
Driving engine E above car body the place ahead bevelled cylinder cover 13, connecting carburettor 15 by air inlet pipe 14, in its lower section in conjunction with freeing pipe 16.The front portion of the circuitous greatly trailing wheel 6r of this freeing pipe 16 and bending in its downstream end, are connecting across trailing wheel 6r and are being configured in exhaust gas silencer 17 with power unit P opposition side.
Then, with reference to Fig. 2~Fig. 7, the suspension gear of above-mentioned power unit P is described.
As shown in Figures 3 and 4, welding pair of brackets 21,21 at the front end of the hold-down arm 20,20 of the left and right side of the rearward end that is fixedly arranged on front frame 1f, on these supports 21,21, the hanger bar 22 that is pivotably connected of the 1st pivot 23 by level.Hanger bar 22 has 1 anterior arm 22a and pair of right and left rear portion arm 22b, 22b, and this front portion arm 22a clips that yielding rubber 25 inserts in the rearward end of front frame 1f and supported.
On the one hand, on the crankcase 10 of driving engine E, form arm 26.This arm 26 is made of arm 26a and bearing hub 26b, this arm 26a gives prominence to the place ahead of trailing wheel 6r and towards the centre of gration face O of trailing wheel 6r is oblique from the front of crankcase 10, this bearing hub 26b extends to the left and right from the front end of this arm 26a, cross-section its centre of gration face O ground (the in other words vertical longitudinal plane of symmetry of car body) horizontal arrangement wears lightening hole 28 from bearing hub 26b to arm 26a in the place ahead of trailing wheel 6r.
Both ends at the bearing hole of bearing hub 26b are pressed into rubber pad 27,27 respectively.This bearing hub 26b be configured in hanger bar 22 about between the rearward end of two rear portion arm 22b, 22b, by about rubber pad 27,27 rotatably be connected with two rear portion arm 22b, 22b at the two ends of the 2nd pivot 24 of the level of backup bearing hub 26b.Therefore, power unit P can swing up and down around the 2nd pivot, absorbs by yielding rubber 25 from the swing impulsive force that acts on hanger bar 22 of this power unit P.
Exhaust gas silencer 17 utilizes the suspension gear of above-mentioned power unit P, and is supported as following.
On exhaust gas silencer 17, welding the cardinal extremity of silencer strut 30, the leading section of this silencer strut 30 is divided into bifilar 30a, 30a up and down, fixedly installs a pair of connection bump 31,31 with axis parallel with aforementioned the 2nd pivot 24 at the front end of this bifilar 30a, 30a.On the one hand, on the end of exhaust gas silencer 17 1 sides of the bearing hub 26b of aforementioned arm 26, clip the 2nd pivot 24 and form the silencer installation portion 32,32 (especially with reference to Fig. 2) that bloats up and down.Therefore, the end face of exhaust gas silencer 17 1 sides of bearing hub 26b is compared with the end face of power unit P one side, wide gone out silencer installation portion 32,32 this part.On the end face of these silencer installation portions 32,32, carve and establish from clipping the 2nd pivot 24 arrange and pair of bolts holes 33,33 that have axis in parallel up and down.And, the bolt 34,34 that will intert from the outside of car body a pair of connection bump 31,31 of silencer strut 30 screws togather in the pair of bolts hole 33,33 that is fastened on silencer installation portion 32,32, in view of the above, connection bump 31,31 is fastened on the end face of bearing hub 26b.
Below, the effect of present embodiment is described.
Two-wheeled motor vehicle S under steam, if trailing wheel 6r is along with the words of the concavo-convex lifting of ground-surface, support trailing wheel 6r's and possess the power unit P of arm 26 integratedly, become one with the exhaust gas silencer 17 that is supported on the arm 26 by silencer strut 30, around the 2nd pivot 24, swing up and down, this can be swung up and down by rear shock absorber 8 bufferings.
But,, can seek the balance of car body left and right sides weight because power unit P and exhaust gas silencer 17 are configured in the left and right sides of trailing wheel 6r respectively with doing one's utmost.In addition, although power unit P is configured in the side of trailing wheel 6r, but bearing the arm 26 of the weight of trailing wheel 6r, power unit P or exhaust gas silencer 17 etc. by the centre of gration face O ground configuration of cross-section trailing wheel 6r, inclined to one side load can be avoided with doing one's utmost, the ride comfort sense of two-wheeled motor vehicle S can be sought in view of the above with respect to the suspension gear that comprises arm 26 and the 2nd pivot 24.
In addition, because connection is from the downstream end of the freeing pipe 16 of the front portion of the driving engine E extension of power unit P, circuitous trailing wheel 6r on exhaust gas silencer 17, can easily give the pipe range of abundant length, can help to obtain the raising of output performance of particularly low, the middling speed of driving engine E this freeing pipe 16.
And, although exhaust gas silencer 17 leaves power unit P configuration, the leading section of the silencer strut 30 by will supporting this exhaust gas silencer is connected on the end of exhaust gas silencer 17 1 sides of bearing hub 26b of arm 26, can use short silencer strut 30, can improve the rigidity of support of exhaust gas silencer 17, guarantee the support that it is stable.
Particularly, because the connection bump 31,31 of bifilar 30a, 30a of silencer strut 30 is from clipping the 2nd pivot 24 up and down, being fastenedly connected with a pair of silencer installation portion 32,32 of the bearing hub 26b of arm 26, make the exhaust gas silencer 17 that is applied on the arm 26 load dispersing to the 2 pivots 24 around, alleviate the load of concentrating to arm 26, can seek the raising of its durability.
In addition, with silencer strut 30 when arm 26 is installed, screw togather in the bolt hole 33,33 that the end face of the silencer installation portion 32,32 of the bearing hub 26b that is fastened on arm 26 offers by interting bolt 34,34 connection bump 31,31 from the outside of car body, can be not easily do not carried out the screwing togather of bolt 34,34, fastening intrusively by other article, the assembleability to arm 26 of silencer strut 30 is very good.
Have again, a pair of bolt hole 33,33 is owing to parallel with the 2nd pivot 24 on the end face of being carved a pair of silencer installation portion 32,32 that is located at bearing hub 26a, by the bearing hole of bearing hub 26b and the following hole of bolt hole 33,33 are carried out multiaxis processing, can form at one stroke, bolt hole 33,33 can be sought the densification of bearing hub 26b near 24 configurations of the 2nd pivot in addition.
The present invention is not limited to the foregoing description, can carry out all design modifications in the scope that does not break away from its main spirit.For example, the both ends of silencer strut can be fixed by bolts on exhaust gas silencer and the arm.In addition, in contrast with the previous embodiment, also can silencer strut and arm is integrally formed, the front end of silencer strut is fixed by bolts on the exhaust gas silencer.
As mentioned above, in accordance with a first feature of the invention, to be configured in a side about trailing wheel by driving engine with at the power unit that the change-speed box that links trailing wheel on the output shaft constitutes, the both ends of supporting the horizontal pivot shaft of the arm on the shell be formed on this power unit rotationally are connected in the two-wheeled motor vehicle on the vehicle body frame, in downstream end from the freeing pipe of the extended circuitous trailing wheel of driving engine, be configured in the exhaust gas silencer of driving engine opposition side and be connected clipping trailing wheel, this exhaust gas silencer is supported on the end of exhaust gas silencer one side of aforementioned arm by the silencer strut, in view of the above, power unit and exhaust gas silencer are in trailing wheel left and right sides separate configuration, can do one's utmost to seek the balance of the left and right sides weight of car body, in addition, extend by on exhaust gas silencer, connecting from the driving engine of power unit, the downstream end of the freeing pipe of the front portion of circuitous trailing wheel, the pipe range of abundant length can be easily given, the particularly low of driving engine can be helped to obtain this freeing pipe, the raising of the output performance of middling speed.And, although exhaust gas silencer leaves the power unit configuration, the leading section of the silencer strut by will supporting this exhaust gas silencer is connected on the end of exhaust gas silencer one side of arm, can use short silencer strut, can improve the rigidity of support of exhaust gas silencer.
According to second feature of the present invention, on the basis of first feature, because when the cardinal extremity with this silencer strut is fixed on the exhaust gas silencer, front end at this silencer strut forms a pair of connecting part up and down, with these connecting parts from clipping aforementioned pivot up and down, being connected on the aforementioned arm by link, make the load dispersing that is applied to the exhaust gas silencer on the arm around pivot, alleviate the load of concentrating to arm, can seek the raising of its durability.
Have again, according to the 3rd feature of the present invention, on the basis of first or second feature, owing on the end face of exhaust gas silencer one side of aforementioned arm, carve and establish bolt hole with axis parallel with aforementioned pivot, screw togather fastening by bolt and this bolt hole as link that will be punctured on the aforementioned connecting part from the car body outside, connecting part is connected on the aforementioned arm, can easily do not carried out screwing togather of aforementioned bolt intrusively by other article, fastening, can seek the raising to the assembleability of arm of silencer strut, and, by to being supported on the bearing hole of the arm on the pivot mutually, carry out multiaxis processing with the following hole of aforementioned bolt hole, can form at one stroke, also have aforementioned bolt hole to dispose, can seek the densification of arm near pivot.

Claims (3)

1. the exhaust gas silencer of a two-wheeled motor vehicle sets structure, described two-wheeled motor vehicle will and go up link power unit (P) that the change-speed box (T) of trailing wheel (6r) constitutes at output shaft (12) by driving engine (E) and be configured in a side about trailing wheel (6r), the both ends that to support the horizontal pivot shaft (24) of the arm (26) on the shell (10) that is formed on this power unit (P) rotationally are connected on the vehicle body frame (1)
It is characterized in that, in downstream end from the freeing pipe (16) of the extended circuitous trailing wheel of driving engine (E) (6r), connection is configured in exhaust gas silencer (17) with driving engine (E) opposition side across trailing wheel (6r), this exhaust gas silencer (17) is supported on the end of exhaust gas silencer (17) one sides of aforementioned arm (26) by silencer strut (30).
2. the exhaust gas silencer of two-wheeled motor vehicle as claimed in claim 1 sets structure, it is characterized in that, when the cardinal extremity with this silencer strut (30) is fixed on the exhaust gas silencer (17), form a pair of connecting part (31) up and down at the front end of this silencer strut (30), with these connecting parts (31) from clipping aforementioned pivot (24) up and down, being connected on the aforementioned arm (26) by link (34).
3. the exhaust gas silencer of two-wheeled motor vehicle as claimed in claim 2 sets structure, it is characterized in that, on the end face of exhaust gas silencer (17) one sides of aforementioned arm (26), carve and establish bolt hole (33) with axis parallel with aforementioned pivot (24), screw togather fasteningly by being punctured into the bolt as link (34) and this bolt hole (33) on the aforementioned connecting part (31), connecting part (31) is connected on the aforementioned arm (26) from the car body outside.
CN 03108432 2002-05-29 2003-03-31 Installing structure of mufflex of two-wheel motorcycle Expired - Fee Related CN1288032C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP154995/2002 2002-05-29
JP2002154995A JP4035375B2 (en) 2002-05-29 2002-05-29 Exhaust muffler arrangement structure for motorcycles

Publications (2)

Publication Number Publication Date
CN1461713A CN1461713A (en) 2003-12-17
CN1288032C true CN1288032C (en) 2006-12-06

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Application Number Title Priority Date Filing Date
CN 03108432 Expired - Fee Related CN1288032C (en) 2002-05-29 2003-03-31 Installing structure of mufflex of two-wheel motorcycle

Country Status (5)

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EP (1) EP1366977B1 (en)
JP (1) JP4035375B2 (en)
CN (1) CN1288032C (en)
ES (1) ES2231741T3 (en)
TW (1) TW583108B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4078339B2 (en) * 2004-08-17 2008-04-23 本田技研工業株式会社 Soundproof structure of hybrid vehicle
JP5129673B2 (en) * 2008-07-07 2013-01-30 本田技研工業株式会社 Motorcycle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8123724V0 (en) * 1981-12-09 1981-12-09 Piaggio & C Spa SUPPORTING STRUCTURE FOR MOTORCYCLE.
JPS58119915A (en) * 1982-01-08 1983-07-16 Honda Motor Co Ltd Engine exhaust system supporter for two and three wheeled vehicle
JP2668685B2 (en) * 1987-10-27 1997-10-27 ヤマハ発動機株式会社 Forced air-cooled engine
JP3119396B2 (en) * 1992-07-31 2000-12-18 ヤマハ発動機株式会社 Secondary air introduction device for motorcycles
JPH06330744A (en) * 1993-05-27 1994-11-29 Suzuki Motor Corp Exhaust muffler of motorcycle
JP4247860B2 (en) * 1999-09-30 2009-04-02 本田技研工業株式会社 Motorcycle

Also Published As

Publication number Publication date
JP2003341583A (en) 2003-12-03
EP1366977B1 (en) 2004-10-20
ES2231741T3 (en) 2005-05-16
EP1366977A1 (en) 2003-12-03
TW583108B (en) 2004-04-11
JP4035375B2 (en) 2008-01-23
CN1461713A (en) 2003-12-17
TW200306922A (en) 2003-12-01

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Granted publication date: 20061206

Termination date: 20120331