CN100349776C - Power train for a motorcycle - Google Patents
Power train for a motorcycle Download PDFInfo
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- CN100349776C CN100349776C CNB2004100053024A CN200410005302A CN100349776C CN 100349776 C CN100349776 C CN 100349776C CN B2004100053024 A CNB2004100053024 A CN B2004100053024A CN 200410005302 A CN200410005302 A CN 200410005302A CN 100349776 C CN100349776 C CN 100349776C
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Abstract
The invention relates to a power train, for a motorcycle, comprising a drive unit (11) provided with an engine (13) and being pivotally connectable to a body (2) of the motorcycle, an exhaust pipe (20) extending towards the rear from the engine (13), and a support unit (22) interposed between the drive unit (11) and a midway section (21) of the exhaust pipe (20) in its longitudinal direction, wherein the support unit (22) comprises a first bracket (28) provided on the drive unit and a second bracket (30) provided on the midway section (21) of the exhaust pipe (20). <>The invention aims to improve such a power train wherein the size and the weight of the support unit (22) for the support of the exhaust pipe (20) can be reduced. <>Therefore, the invention proposes that a pair of engaging members (31,31) connecting a rear end part of the first bracket (28) and a front end part of the second bracket (30) with each other are arranged vertically above each other.
Description
Technical field
Actuating device freeing pipe that the present invention relates to comprise driver element, extends from above-mentioned driving engine and the saddle-riding type vehicle that this freeing pipe is bearing in the bearing set on the above-mentioned driving engine with driving engine.
Background technology
In the actuating device of above-mentioned saddle-riding type vehicle, device shown in above-mentioned patent documentation 1 (the flat 9-256843 communique of Japanese Patent Publication Laid-Open) and the patent documentation 2 (Japanese Patent Publication Laid-Open 2001-97269 communique) was once arranged in the past, according to these communiques, each above-mentioned actuating device comprises: have driving engine and the freeing pipe that rearward extends at the driver element on the car body, from above-mentioned driving engine of pivot suspension and the middle part of this freeing pipe length direction is bearing in bearing set on the above-mentioned driving engine swingably.
In more detail, according to above-mentioned patent documentation 1, above-mentioned bearing set has: the 1st carriage of giving prominence to from above-mentioned driving engine side direction rear; Leading section and fastening the 2nd a pair of fastener up and down of above-mentioned driving engine with the 1st carriage; Be fixed on the middle part of above-mentioned freeing pipe and the 2nd carriage of forwards giving prominence to from this middle part; And mutual fastening mono-the 1st fastener in each the outstanding end that makes the 1st, the 2nd carriage.
Above-mentioned the 1st fastener has bolt, this bolt is inserted and is led in the slotted hole of growing on fore-and-aft direction that forms on above-mentioned the 2nd carriage, above-mentioned the 1st, the 2nd carriage is fastening mutually, by making above-mentioned bolt be arranged in a certain position of this slotted hole, can absorb the relative error between above-mentioned driving engine and the freeing pipe.
On the other hand, according to above-mentioned patent documentation 2, above-mentioned bearing set has: the 1st carriage of giving prominence to and rear wheel is bearing in this outstanding end from above-mentioned driving engine side direction rear; Leading section and fastening the 2nd a pair of fastener up and down of above-mentioned driving engine with the 1st carriage; From the 2nd forwards outstanding carriage of the middle part of the length direction of above-mentioned freeing pipe; And the outstanding end of above-mentioned the 2nd carriage is fastened on the 1st a pair of fastener up and down on the base portion of above-mentioned the 1st carriage.
; according to above-mentioned patent documentation 1; the 2nd carriage is only outstanding upward from the middle part of freeing pipe; therefore; with mutual the 1st fastening carriage in the outstanding end of the 2nd carriage, its outstanding size is often longer, and; because each outstanding end that makes above-mentioned the 1st, the 2nd carriage mutually the 1st fastening fastener is a mono-, so might make the bearing strength of the above-mentioned bearing set that above-mentioned driving engine upper support freeing pipe the uses deficiency that seems.
On the other hand, according to above-mentioned patent documentation 2, because above-mentioned the 1st carriage is that rear wheel is bearing in member on the driving engine, build is big, pretends to freeing pipe being bearing in the bearing set on the above-mentioned driving engine, and often weight is excessive.Again, each fastener of above-mentioned patent documentation 2, owing to be to constitute with being formed at the simple bolt hole on each carriage and inserting the bolt that leads in these bolts hole, so the relative error that absorbs between above-mentioned driving engine and the freeing pipe with each such fastener is very difficult, its result might make the operation of being undertaken by above-mentioned bearing set, exhaust stack is contained on the driver element become miscellaneous.
Summary of the invention
The present invention is in view of above-mentioned condition, its problem is, improve the bearing strength that is used for freeing pipe is bearing in the bearing set on the driving engine, and in such occasion, also can make this bearing set lightweight, can make the operation of being undertaken by above-mentioned bearing set, exhaust stack is contained on the driver element become easy simultaneously.
In order to solve above-mentioned problem, the actuating device in the saddle-riding type vehicle of the present invention is as described below.Again, in this programme, the symbol of each term mark is not with the content of technical scope limited interpretation of the present invention in " specific embodiment " described later item.
The invention of technical scheme 1, comprising: have driving engine 13 and the driver element 11 of pivot suspension on car body 2, the freeing pipe 20 that rearward extends from above-mentioned driving engine 13 and the middle part 21 of the length direction of this freeing pipe 20 is bearing in the actuating device of saddle-riding type vehicle of the bearing set 22 on the above-mentioned driver element 11 swingably
Above-mentioned bearing set 22 has: the 1st carriage of giving prominence to from above-mentioned driver element 11 side direction rears 28, be fixed on the middle part 21 of above-mentioned freeing pipe 20 and from the 2nd forwards outstanding carriage 30 of this middle part 21, and the 1st a pair of fastener 31,31 up and down that each outstanding end of the 1st, the 2nd carriage 28,30 is fastening mutually;
Above-mentioned each the 1st fastener 31 has bolt 39, and this bolt 39 is inserted in the slotted hole of growing on fore-and-aft direction 37 that forms on the carriage that leads at least one side in above-mentioned the 1st, the 2nd carriage 28,30, and above-mentioned the 1st, the 2nd carriage 28,30 is fastening mutually.
The invention of technical scheme 2 is on the basis of the invention of technical scheme 1, described bearing set also has the 2nd a pair of fastener 29 up and down that the leading section of above-mentioned the 1st carriage 28 is anchored on above-mentioned driver element 11,29, the above-mentioned the 2nd, the 1st fastener 29, in 31, respectively with the 2nd of upside, the 1st fastener 29, each bolt 36 of 31, the position of 39 above-below direction makes roughly the same mutually, with the 2nd of downside, the 1st fastener 29, each bolt 36 of 31, the position of 39 above-below direction makes roughly the same mutually, with above-mentioned each the 2nd, the 1st fastener 29, each bolt 36 of 31, each spacing dimension P1 of 39 above-below direction makes than the 2nd of upside, each bolt 36 of the 1st fastener, spacing dimension between 39, reach the 2nd of downside, each bolt 36 of the 1st fastener, spacing dimension P2 between 39 is big.
The invention of technical scheme 3 is on the basis of the invention of technical scheme 2, from the side (Fig. 1, Fig. 2) of above-mentioned car body 2, the axle center 43 of the middle part 21 of above-mentioned freeing pipe 20 is passed through separately between the 2nd, the 1st fastener 29,31 of above-mentioned upside and downside.
The invention of technical scheme 4 is on the basis of the invention of technical scheme 3, back (Fig. 3, Fig. 4) from above-mentioned car body 2, the lateral surface of middle part that described the 1st carriage 28 is bent to the above-below direction of the 1st carriage 28 becomes recess 45, make the middle part 21 of above-mentioned freeing pipe 20 be positioned at the outside of above-mentioned recess 45, and above-mentioned freeing pipe 20 is configured to produce the state in gap 46 between the middle part 21 of this freeing pipe 20 and recess 45.
The invention of technical scheme 5 is on the basis of each invention in technical scheme 1 to 4, above-mentioned freeing pipe 20 has: freeing pipe body 24 that rearward extends from above-mentioned driving engine 13 and the exhaust muffler 25 that rearward extends from the rearward end of this freeing pipe body 24 are separately fixed at above-mentioned the 2nd carriage 30 on above-mentioned freeing pipe body 24 and the exhaust muffler 25.
Effect of the present invention is as described below.
The invention of technical scheme 1, comprising having driving engine and the driver element of pivot suspension on car body, the freeing pipe that rearward extends from above-mentioned driving engine and the middle part of the length direction of this freeing pipe is bearing in the actuating device of saddle-riding type vehicle of the bearing set on the above-mentioned driver element swingably
Above-mentioned bearing set has: the 1st carriage of giving prominence to from above-mentioned driver element side direction rear; The leading section of the 1st carriage is anchored on the 2nd a pair of fastener up and down of above-mentioned driver element; Be fixed on the middle part of above-mentioned freeing pipe and the 2nd carriage of forwards giving prominence to from this middle part; And the 1st a pair of fastener up and down that each outstanding end of the 1st, the 2nd carriage is fastening mutually.
Therefore, the 2nd above-mentioned carriage is the member of giving prominence to the outstanding end of the 1st carriage from the middle part of freeing pipe, can correspondingly reduce the outstanding size of above-mentioned the 1st carriage, utilizes the 1st carriage to improve the bearing strength of freeing pipe.That is to say, improve the bearing strength that is used for freeing pipe is bearing in the above-mentioned bearing set on the driver element.
Again, as mentioned above, owing to make the 1st, the 2nd carriage protrude opposite one another state, each outstanding end is fastening by this, and freeing pipe is bearing on the above-mentioned driver element, invalidly increases so can prevent the outstanding size of above-mentioned the 1st, the 2nd carriage, owing to can make above-mentioned the 1st, the 2nd carriage miniaturization, as mentioned above, the bearing strength of bearing set can not only be improved, and this bearing set lightweight can be made.
Again, above-mentioned each the 1st fastener has bolt, and this bolt is inserted in the slotted hole of growing on fore-and-aft direction that forms on the carriage that leads to the either party at least in above-mentioned the 1st, the 2nd carriage, and above-mentioned the 1st, the 2nd carriage is fastening mutually.
Therefore, be arranged on a certain position of above-mentioned slotted hole, can absorb the relative error between the middle part of above-mentioned driver element and freeing pipe by making above-mentioned bolt.Therefore, can correspondingly make the operation of being undertaken by above-mentioned bearing set, exhaust stack is contained on the driver element become easy.
The invention of technical scheme 2, described bearing set also has the 2nd a pair of fastener up and down that the leading section of described the 1st carriage is anchored on described driver element, the above-mentioned the 1st, in the 2nd fastener, respectively with the 1st of upside, the position of the above-below direction of each bolt of the 2nd fastener makes roughly the same mutually, with the 1st of downside, the position of the above-below direction of each bolt of the 2nd fastener makes roughly the same mutually, with above-mentioned each the 1st, each spacing dimension of the above-below direction of each bolt of the 2nd fastener makes than the 1st of upside, spacing dimension between each bolt of the 2nd fastener, reach the 1st of downside, each spacing dimension between each bolt of the 2nd fastener is big.
Therefore, as mentioned above, utilize each the outstanding end mutual fastening combination of the 1st fastener with the 1st, the 2nd carriage, above-mentioned the 1st carriage can make the rectangular simple shape of lengthwise as a whole, that is to say, can make the simple in structure of above-mentioned bearing set.
Again, as mentioned above, owing to each spacing dimension of above-below direction is made bigger than each spacing dimension of fore-and-aft direction, the configuration of this bolt is favourable to the weight that supports above-mentioned freeing pipe securely, so can further improve the bearing strength of the above-mentioned bearing set of the weight that is used to support above-mentioned freeing pipe.
The invention of technical scheme 3 from the side of above-mentioned car body, makes the axle center of the middle part of above-mentioned freeing pipe, between the 1st, the 2nd fastener that lays respectively at above-mentioned upside and downside.
Therefore, utilize above-mentioned the 1st, the 2nd fastener and the 1st, the 2nd carriage, the middle part of above-mentioned freeing pipe is bearing on the above-mentioned driving engine doubly, so can be bearing in securely on this driving engine, that is to say, can further improve the bearing strength of above-mentioned bearing set.
The invention of technical scheme 4, back from above-mentioned car body, the lateral surface of middle part that the 1st carriage is bent to the above-below direction of described the 1st carriage becomes recess, make the middle part of above-mentioned freeing pipe be positioned at the outside of above-mentioned recess, and above-mentioned freeing pipe is configured to produce the state in gap between the middle part of this freeing pipe and recess.
Therefore, as long as utilize above-mentioned recess to dispose the middle part of above-mentioned freeing pipe, just can prevent that the middle part of this freeing pipe is outstanding too many to the outside of car body, this is useful to the travelling comfort aspect that improves saddle-riding type vehicle.
Because above-mentioned freeing pipe is configured to produce the state in gap between the middle part of above-mentioned freeing pipe and recess, make the wind that travels waltz through above-mentioned gap, so can carry out air cooling to above-mentioned freeing pipe effectively again.
The invention of technical scheme 5, above-mentioned freeing pipe has: the freeing pipe body that rearward extends from above-mentioned driving engine; And, above-mentioned the 2nd carriage is separately fixed on above-mentioned freeing pipe body and the exhaust muffler from the exhaust muffler that the rearward end of this freeing pipe body is rearward extended.
Here, the joint portion of above-mentioned freeing pipe body and exhaust muffler is that outside dimension changes sharp and the part of stress concentration takes place easily.But, as mentioned above,, strengthened above-mentioned joint portion, thereby can prevent the generation of above-mentioned stress concentration because the 2nd carriage is separately fixed on above-mentioned freeing pipe body and the exhaust muffler.
Description of drawings
Fig. 1 is the figure that decides what is right and what is wrong of the local amplifier section of Fig. 2.
Fig. 2 is the back side view of vehicle.
Fig. 3 is the 3-3 alignment pseudosection of Fig. 1.
Fig. 4 is the 4-4 alignment pseudosection of Fig. 1.
Fig. 5 is the lateral plan of the 1st carriage of seeing the structure of Fig. 1 from the back side.
Fig. 6 is the 6-6 alignment pseudosection of Fig. 5.
The specific embodiment
Below, with reference to the accompanying drawings example of the present invention is described.
Among the figure, symbol 1 is to be illustrative saddle-riding type vehicle with scooter type automatic two-wheeled cycle, and arrow Fr represents direct of travel the place ahead of this vehicle 1 among the figure.
Above-mentioned vehicle 1 has car body 2, utilize front fork to turn to be bearing in freely these car body 2 front portions front vehicle wheel 3, utilize draft hitch 4 be bearing in above-mentioned car body 2 rear portions rear wheel 5, be bearing in the saddle 6 of above-mentioned car body 2 upper backs and the actuating device 7 of the above-mentioned rear wheel 5 of rotatable driving, above-mentioned front vehicle wheel 3 and rear wheel 5 are positioned at the central portion of car body 2 Widths, and this car body 2 is bearing on the tread 8 by above-mentioned front vehicle wheel 3 and rear wheel 5.
Above-mentioned draft hitch 4 have utilize pivot fulcrum 9 with the leading section pivot suspension on above-mentioned car body 2 and the driver element 11 that rearward end can swing up and down, this rearward end is utilized the above-mentioned rear wheel 5 of axletree 10 supporting simultaneously; And this driver element 11 is bearing in energy disperser 12 on the above-mentioned car body 2.The part of above-mentioned actuating device 7 is made of above-mentioned driver element 11, and this driver element 11 has: the combustion engine that constitutes these driver element 11 front portions is, 4 two-stroke engines 13; And be configured in central portion from above-mentioned car body 2 Widths to the zone of a side (right side) off normal, be connected with, above-mentioned rear wheel 5 is connected in the speed reduction gearing 14 of this driving engine 13 with above-mentioned driving engine 13.Above-mentioned driving engine 13 has the cylinder 16 that utilizes above-mentioned pivot fulcrum 9 to be bearing in the crankcase 15 on the car body 2 and forwards to give prominence to from this crankcase 15.
Above-mentioned actuating device 7 has: be configured near the top of above-mentioned driving engine 13, with the upper surface side bonded assembly fuel supply system of the cylinder 16 of this driving engine 13 promptly, gasifier 18; With these gasifier 18 bonded assembly air purifiers 19; From the lower face side of above-mentioned cylinder 16 in case the freeing pipe 20 that extends the back downwards, rearward extends in a side (right side) zone by off normal from the central portion of car body 2 Widths; And the middle part 21 of these freeing pipe 20 length directions is supported on bearing set 22 on the crankcase 15 of above-mentioned driving engine 13.
Above-mentioned freeing pipe 20 has: side below above-mentioned cylinder 16 is in case extend the freeing pipe body 24 that rearward extend back, the near zone by above-mentioned crankcase 15 outsides downwards; The exhaust muffler 25 that rearward extends from the rearward end of this freeing pipe body 24 near zone by above-mentioned speed reduction gearing 14 outsides; And the guard shield 26 that covers above-mentioned exhaust muffler 25 from its foreign side.The each several part section of above-mentioned freeing pipe body 24 and exhaust muffler 25 is done circular respectively, and the outside dimension of this exhaust muffler 25 is fully bigger than the size of above-mentioned freeing pipe body 24.
When above-mentioned driving engine 13 drove, by above-mentioned air purifier 19 and gasifier 18, the mixture gas of air and fuel was supplied in the cylinder 16 of driving engine 13, here burns.Discharge to car body 2 rears by above-mentioned freeing pipe 20 by the exhaust that this burning generates.The propulsive effort of exporting from above-mentioned driving engine 13 based on above-mentioned burning is passed to rear wheel 15 by above-mentioned speed reduction gearing 14, and vehicle 1 just can travel.
Above-mentioned bearing set 22 has: at the 1st carriage 28 from the central off normal of the above-mentioned car body 2 Widths sheet metal system that extend to vertical basically outstanding and its side from the crankcase 15 rear side rears of above-mentioned driving engine 13 on the position on a side (right side); With the base portion of the 1st carriage 28 is the 2nd a pair of fastener 29,29 up and down that leading section is fixed in above-mentioned crankcase 15 rear portions; Be fixed by welding in the 2nd carriage 30 of the sheet metal system of extending to vertical basically in the middle part 21 of above-mentioned freeing pipe 20 and, its side forwards outstanding from this middle part 21; And the 1st a pair of fastener 31,31 up and down that each outstanding end of above-mentioned the 1st, the 2nd carriage 28,30 is fastening mutually.
From the side of car body 2, above-mentioned the 1st carriage 28 is made the oblong of lengthwise as a whole.Above-mentioned the 2nd carriage 30 has from the upper surface of above-mentioned middle part 21 and the forwards outstanding respectively a pair of carrier member 32,33 up and down of lower surface.In these each carrier members 32,33, be fixed on respectively as the rearward end of carrier member 33 base portions of downside on the leading section of the rearward end of above-mentioned freeing pipe body 24 and exhaust muffler 25.
Above-mentioned each the 2nd fastener 29 has bolt 36, and this bolt 36 is inserted and led in the bolt hole 35 of the circle that is formed at above-mentioned the 1st carriage 28, and above-mentioned the 1st carriage 28 is anchored on above-mentioned crankcase 15.Above-mentioned each the 1st fastener 31 has: insert respectively and lead at the long slotted hole 37 on fore-and-aft direction of the outstanding end that is formed at above-mentioned the 1st carriage 28 and be formed at bolt 39 in the bolt hole 38 of circle of outstanding end of above-mentioned the 2nd carriage 30; And the nut 40 that screws togather with these each bolts 39.Utilize these bolts 39 and nut 40, each outstanding end of above-mentioned the 1st, the 2nd carriage 28,30 is fastening mutually.Again, above-mentioned slotted hole 37 both can be formed at the both sides in above-mentioned the 1st, the 2nd carriage 28,30, also can only be formed on the 2nd carriage 30.
Above-mentioned the 2nd carriage 30 coincides with the lateral surface of above-mentioned the 1st carriage 28, and bolt 39 can be inserted from the outside of the 2nd carriage 30 and lead to the bolt hole 38 and slotted hole 37 of above-mentioned the 1st fastener 31.Above-mentioned nut 40 is belt washer nuts, and this nut 40 utilizes rotation stop device 41 to be maintained at medial surface one side of above-mentioned the 1st carriage 28 un-rotatably, and can screw togather with above-mentioned bolt 39.Again, above-mentioned nut 40 utilizes rotation stop device 41, and the length direction that only is retained at above-mentioned bolt hole 38 moves freely.In above-mentioned the 1st fastener 31, folder is being established buffer body 42 between the bolt 39 of the 1st fastener 31 of downside and the 2nd carriage 30, and this buffer body 42 makes desire obtain buffering from the impulsive force of car body 2 lateral row tracheaes 20 side transmission.
Adopt said structure, bearing set 22 has: the 1st carriage of giving prominence to from above-mentioned driving engine 13 side direction rears 28; The leading section of the 1st carriage 28 is anchored on the 2nd a pair of fastener 29,29 up and down of above-mentioned driving engine 13; Be fixed on the middle part 21 of above-mentioned freeing pipe 20, from the 2nd forwards outstanding carriage 30 of this middle part 21; And the 1st a pair of fastener 31,31 up and down that each outstanding end of the 1st, the 2nd carriage 28,30 is fastening mutually.
Therefore, the 2nd above-mentioned carriage 30 is that correspondingly, the outstanding size of above-mentioned the 1st carriage 28 is little and enough towards the outstanding end of the 1st carriage 28 and from the outstanding member of the middle part 21 of freeing pipe 20, utilizes the bearing strength raising of the freeing pipe 20 of the 1st carriage 28.That is to say that the bearing strength that is used for freeing pipe 20 is bearing in the above-mentioned bearing set 22 on the driving engine 13 is improved.
Again, as mentioned above, owing to make the 1st, the 2nd carriage 28,30 outstanding opposite one another, by with this each outstanding end fastening, freeing pipe 20 is bearing on the above-mentioned driving engine 13, invalidly increase so can prevent the outstanding size of above-mentioned the 1st, the 2nd carriage 28,30, can make 28,30 miniaturizations of above-mentioned the 1st, the 2nd carriage, therefore as mentioned above, although can improve the bearing strength of bearing set 22, can also make this bearing set 22 lightweights.
Again, above-mentioned each the 1st fastener 31 has bolt 39, and this bolt 39 is inserted in the long slotted hole 37 on fore-and-aft direction on the carriage that leads to the either party at least in being formed at above-mentioned the 1st, the 2nd carriage 28,30, and above-mentioned the 1st, the 2nd carriage 28,30 is fastening mutually.
Therefore, be positioned on a certain position of length direction of above-mentioned slotted hole 37, can absorb the relative error between the middle part 21 of above-mentioned driving engine 13 and freeing pipe 20 by making above-mentioned bolt 39.Thus, can correspondingly make assembling operation 22 that carry out by above-mentioned bearing set, the freeing pipe 20 on driving engine 13 become easy.
Again, in said structure, the 2nd, the 1st fastener 29, in 31, make the 2nd of upside respectively, the 1st fastener 29, each bolt 36 of 31, the position of 39 above-below direction makes roughly identical mutually, with the 2nd of downside, the 1st fastener 29, each bolt 36 of 31, the position of 39 above-below direction makes roughly identical mutually, with above-mentioned each the 2nd, the 1st fastener 29, each bolt 36 of 31, each spacing dimension P1 of 39 above-below direction makes than the 2nd of upside, each bolt 36 of the 1st fastener, spacing dimension between 39, reach the 2nd of downside, each bolt 36 of the 1st fastener, each spacing dimension P2 between 39 is big.
Therefore, as mentioned above, each outstanding end of the 1st, the 2nd carriage 28,30 can be utilized the 1st fastener 31 fastening mutually, and above-mentioned the 1st carriage 28 is made to the rectangular simple shape of lengthwise as a whole, that is to say that above-mentioned bearing set 22 can make simple structure.
Again, as mentioned above, make the spacing dimension P1 of above-below direction bigger than the spacing dimension P2 of fore-and-aft direction, the configuration of this bolt 36,39 is favourable to the weight that supports above-mentioned freeing pipe 20 securely, so can further improve the bearing strength of the above-mentioned bearing set 22 that is used to support above-mentioned freeing pipe 20 weight.
Again, in said structure, from the side (Fig. 1, Fig. 2) of car body 2, the axle center 43 of the middle part 21 of above-mentioned freeing pipe 20 is respectively by between the 2nd, the 1st fastener 29,31 of above-mentioned upside and downside.
Therefore, the middle part 21 of above-mentioned freeing pipe 20 utilizes above-mentioned the 2nd, the 1st fastener 29,31 and the 1st, the 2nd carriage 28,30, is bearing in doubly on the above-mentioned driving engine 13, so can be bearing in securely on this driving engine 13, that is to say, further improve the bearing strength of above-mentioned bearing set 22.
Again, in said structure, back (Fig. 3, Fig. 4) from car body 2, the lateral surface of middle part that the 1st carriage 28 is bent to the above-below direction of described the 1st carriage 28 becomes the state of recess 45, make the middle part 21 of above-mentioned freeing pipe 20 be positioned at the outside of above-mentioned recess 45, and above-mentioned freeing pipe 20 is configured to produce the state in gap 46 between the middle part 21 of this freeing pipe 20 and recess 45.
Therefore, as long as utilize the middle part 21 of the above-mentioned freeing pipe 20 of above-mentioned recess 45 configurations, just can prevent to make the middle part 21 of this freeing pipe 20 outstanding too many to the outside of car body 2, this is useful to the travelling comfort aspect that improves saddle-riding type vehicle 1.
Because above-mentioned freeing pipe 20 is configured to state in generation gap 46 between the middle part 21 of above-mentioned freeing pipe 20 and the recess 45, make the wind that travels waltz through above-mentioned gap 46, so can make above-mentioned freeing pipe 20 air coolings effectively again.
Again, as mentioned above, freeing pipe 20 has: the freeing pipe body 24 that rearward extends from above-mentioned driving engine 13; And the exhaust muffler 25 that rearward extends from the rearward end of this freeing pipe body 24.Above-mentioned the 2nd carriage 30 is separately fixed on above-mentioned freeing pipe body 24 and the exhaust muffler 25.
Here, the joint portion of above-mentioned freeing pipe body 24 and exhaust muffler 25, its outside dimension changes sharp, is the part that stress concentration takes place easily.But, as mentioned above, because the 2nd carriage 30 is separately fixed on above-mentioned freeing pipe body 24 and the exhaust muffler 25, so can strengthen above-mentioned joint portion, thus prevent above-mentioned stress concentration.
Again, as mentioned above, the bolt 39 of the 1st fastener 31 can be inserted in from the outside of the 1st, the 2nd carriage 28,30 bolt hole 38 and the slotted hole 37, utilize rotation stop device 41, the nut 40 with above-mentioned the 1st fastener 31 remains on the medial surface side of above-mentioned the 1st, the 2nd carriage 28,30 and bolt 39 and above-mentioned nut 40 are screwed togather un-rotatably.
Therefore, in fastening, the lax operation of, 2nd carriage 30 31 that carry out and the 1st carriage 28, needn't be careful above-mentioned nut 40 and can rotate together, and above-mentioned operation can utilize the roomy working space in the outside of car body 2 by above-mentioned the 1st fastener.Therefore, when on above-mentioned car body 2, carrying out the field-strip of rear wheel 5 etc., can make that this operation is necessary, the field-strip of the 2nd carriage 30 on above-mentioned the 1st carriage 28 and freeing pipe 20 becomes easy.
Again, more than be based on illustrated embodiment, but above-mentioned vehicle 1 also can be a motor-tricycle.Again, above-mentioned driving engine 13 also can be 2 two-stroke engines.Again, also can only constitute above-mentioned driver element 11 with driving engine 13, pivot suspension in the above-mentioned actuating device 7, will be bearing in except the constructional delails the above-mentioned driving engine 13 on the above-mentioned car body 2 on above-mentioned car body 2 regularly.Again, above-mentioned the 2nd carriage 30 is overlapped with the medial surface of above-mentioned the 1st carriage 28, utilize above-mentioned the 1st fastener 31 that they are fastening.
[explanation of symbol]
1-vehicle
2-car body
5-rear wheel
7-drive unit
8-tread
9-pivot fulcrum
10-axletree
11-driver element
13-driving engine
15-crankcase
16-cylinder
20-freeing pipe
21-middle part
22-bearing set
24-freeing pipe body
25-exhaust muffler
28-the 1 carriage
29-the 2 fastener
30-the 2 carriage
31-the 1 fastener
36-bolt
37-slotted hole
38-bolt hole
39-bolt
40-nut
41-rotation stop device
42-buffer body
43-axle center
45-recess
46-gap
P1-spacing dimension
P2-spacing dimension
Claims (5)
1, the actuating device in a kind of saddle-riding type vehicle, comprise: have driving engine and the freeing pipe that rearward extends at the driver element on the car body, from described driving engine of pivot suspension and the middle part of the length direction of this freeing pipe is bearing in bearing set on the described driver element swingably, it is characterized in that
Described bearing set has: the 1st carriage of giving prominence to from described driver element side direction rear, be fixed on the middle part of described freeing pipe, from the 2nd forwards outstanding carriage of this middle part, and the 1st a pair of fastener up and down that each outstanding end of the 1st, the 2nd carriage is fastening mutually;
Described each the 1st fastener has bolt, and this bolt is inserted in the slotted hole of growing on fore-and-aft direction that forms on the carriage that leads at least one side in described the 1st, the 2nd carriage, and described the 1st, the 2nd carriage is fastening mutually.
2, actuating device in the saddle-riding type vehicle as claimed in claim 1, it is characterized in that, described bearing set also has the 2nd a pair of fastener up and down that the leading section of described the 1st carriage is anchored on described driver element, the described the 1st, the 2nd fastener has bolt, the described the 1st, in the 2nd fastener, respectively with the 1st of upside, the position of the above-below direction of each bolt of the 2nd fastener makes identical mutually, with the 1st of downside, the position of the above-below direction of each bolt of the 2nd fastener makes identical mutually, with described each the 1st, each spacing dimension of the above-below direction of each bolt of the 2nd fastener makes than the 1st of upside, spacing dimension between each bolt of the 2nd fastener, reach the 1st of downside, spacing dimension between each bolt of the 2nd fastener is big.
3, the actuating device in the saddle-riding type vehicle as claimed in claim 2 is characterized in that, from the side of described car body, the axle center of middle part that makes described freeing pipe is by between the 1st, the 2nd fastener that lays respectively at described upside and downside.
4, the actuating device in the saddle-riding type vehicle as claimed in claim 3, it is characterized in that, back from described car body, the lateral surface of middle part that makes described the 1st carriage bend to the above-below direction of the 1st carriage becomes recess, make the middle part of described freeing pipe be positioned at the outside of described recess, and described freeing pipe is configured to produce the gap between the middle part of this freeing pipe and recess.
5, as the actuating device in each described saddle-riding type vehicle in the claim 1 to 4, it is characterized in that described freeing pipe has: freeing pipe body that rearward extends from described driving engine and the exhaust muffler that rearward extends from the rearward end of this freeing pipe body; Described the 2nd carriage is separately fixed on described freeing pipe body and the exhaust muffler.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003037484 | 2003-02-14 | ||
| JP2003037484 | 2003-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1521080A CN1521080A (en) | 2004-08-18 |
| CN100349776C true CN100349776C (en) | 2007-11-21 |
Family
ID=34308295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100053024A Expired - Fee Related CN100349776C (en) | 2003-02-14 | 2004-02-10 | Power train for a motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100349776C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5400723B2 (en) * | 2010-07-16 | 2014-01-29 | 本田技研工業株式会社 | Saddle riding |
| JP5603310B2 (en) * | 2011-10-21 | 2014-10-08 | 本田技研工業株式会社 | Engine work machine position control device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06330744A (en) * | 1993-05-27 | 1994-11-29 | Suzuki Motor Corp | Exhaust muffler of motorcycle |
| JPH08246861A (en) * | 1995-03-08 | 1996-09-24 | Suzuki Motor Corp | Catalyst installing structure for motorcycle |
| JPH09256843A (en) * | 1996-03-25 | 1997-09-30 | Honda Motor Co Ltd | Muffler fitting structure |
| CN1290629A (en) * | 1999-09-30 | 2001-04-11 | 本田技研工业株式会社 | Motor two wheeled car |
-
2004
- 2004-02-10 CN CNB2004100053024A patent/CN100349776C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06330744A (en) * | 1993-05-27 | 1994-11-29 | Suzuki Motor Corp | Exhaust muffler of motorcycle |
| JPH08246861A (en) * | 1995-03-08 | 1996-09-24 | Suzuki Motor Corp | Catalyst installing structure for motorcycle |
| JPH09256843A (en) * | 1996-03-25 | 1997-09-30 | Honda Motor Co Ltd | Muffler fitting structure |
| CN1290629A (en) * | 1999-09-30 | 2001-04-11 | 本田技研工业株式会社 | Motor two wheeled car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1521080A (en) | 2004-08-18 |
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