CN101813045B - An distribution structure of engine starting motor - Google Patents
An distribution structure of engine starting motor Download PDFInfo
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- CN101813045B CN101813045B CN200910262494XA CN200910262494A CN101813045B CN 101813045 B CN101813045 B CN 101813045B CN 200910262494X A CN200910262494X A CN 200910262494XA CN 200910262494 A CN200910262494 A CN 200910262494A CN 101813045 B CN101813045 B CN 101813045B
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- combustion engine
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Abstract
An distribution structure of starting motor in an internal combustion engine is provided, which avoids the big size of an internal combustion engine equipped with tightener of roller chain and is integrated with the engine compactly. In the internal combustion engine which provided a annular roller chain (43) located between a drive sprocket (32) embedded in the crankshaft and a driven sprocket (32) embedded in the camshaft, the push rod(56) compressing against the thrust part (51) of thrust roller chain (43) is configured as rod axes (Lr) which forms an obtuse angle with the cylinder axes (Lc) of cylinder(23) being vertically set in the crankcase (22) at the front side of the engine, and a starting motor (70) is arrange at the front of the crankcase (22) thereof.
Description
Technical field
The present invention relates to the starting motor configuration structure of internal-combustion engine, it possesses by pushing to the pressing device of the roller chain of valve system transferring power and the cam chain tension means that constitutes with the push rod of this pressing device crimping.
Background technique
When in cam chain, using roller chain, to compare frictional force little with silent chain, but instead need pressing device or the big equipment of push rod equal-volume, thereby be difficult to avoid the internal-combustion engine ground configuration starting motor that maximizes.
The internal-combustion engine that use this roller chain, possesses the cam chain tension means of pressing device or push rod etc. has patent documentation 1 disclosed example.
Patent documentation 1: No. 4035226 communiques of japanese
This patent documentation 1 disclosed internal-combustion engine forwards is equipped with cylinder to approximate horizontal from crank box, and therefore, roller chain sets from crankshaft with forwards extending.
The pressing device of cam chain tension means is that tension arms and push rod are configured to see with horizontally extending roller chain is crossing forwards, backwards in the side.
At the starting motor that is provided with on every side that is flush-mounted in the large diameter starter motor driven gear on the crankshaft, avoid being configured in the rear oblique upper of crankshaft to the roller chain of the place ahead of crankshaft (starter motor driven gear) extension and the oily collecting chamber of top.
Roller chain is extended to the place ahead of crankshaft, the starting motor outstanding setting of oblique upper rearward, and therefore, the internal-combustion engine that comprises starting motor can't be avoided maximizing.
Summary of the invention
The present invention foundes in view of such problem points, and its purpose is, a kind of starting motor configuration structure is provided, and can avoid possessing the maximization of internal-combustion engine of the tension device of roller chain, and internal-combustion engine is constituted compactly.
To achieve these goals; First aspect present invention provides a kind of starting motor configuration structure of internal-combustion engine; In this internal-combustion engine; Crankshaft is rotated freely that the earth's axis is bearing in the crank box of the internal-combustion engine that is equipped on automatic two-wheeled cycle with pointing to left and right directions, is being flush-mounted in the driving sprocket wheel on the said crankshaft and is being flush-mounted in the roller chain of setting up ring-type between the driven sprocket on the camshaft of valve system, and said roller chain is pushed by push part; By the said push part of push rod crimping; The intercalation slidably of this push rod in being formed at the pilot hole of said crank box, said push rod set for, see the rod axis of this push rod from the side and the cylinder axis of the cylinder that erects from said crank box forms the obtuse angle forwardly; In the obtuse angle, the place ahead of said cylinder axis and the formation of said rod axis, at the front portion of said crank box configuration starting motor.
Second aspect present invention provides the configuration structure of the starting motor of internal-combustion engine on the basis of first aspect, it is characterized in that, at the more rear of the said starting motor of said crank box, said crankshaft roughly below near the position be provided with oil pump.
Third aspect present invention first or the basis of second aspect on; The configuration structure of the starting motor of internal-combustion engine is provided; It is characterized in that; The starter driving shaft outstanding to the left from the motor body of said starting motor is provided with starter driving gear; The axial region axle is supported with the starter motor driven gear in the left side of said crankshaft, between said starter driving gear and said starter motor driven gear, meshes to clamp gear wheel in large diameter and the integrally formed intermediate gear of small diameter gear.
Fourth aspect present invention is on the basis of the third aspect; The starting motor configuration structure of internal-combustion engine is provided; It is characterized in that the vertical plane that said oil pump is disposed at than comprises said cylinder axis, see position overlapped with said starter motor driven gear in the side more on the right side.
Fifth aspect present invention is in first～fourth aspect on the basis aspect arbitrary; The starting motor configuration structure of internal-combustion engine is provided; It is characterized in that; Cover the said starting motor of the front portion that is configured in said crank box from the place ahead at the mounting plate of framework of body upper support internal-combustion engine, the part of the outstanding power terminal of the corresponding said starting motor of said mounting plate forms projectedly.
Starting motor configuration structure according to the internal-combustion engine of first aspect; From the rod axis (center line of the pilot hole of intercalation push rod slidably) of the cylinder axis (central axis in cylinder chamber) of the upright cylinder of establishing of crank box and push rod see in the side formation in the obtuse angle in the place ahead; Dispose starting motor; Therefore, starting motor that will the configuration in the front portion of crank box be configured in to greatest extent that the inside at obtuse angle is the rear, suppress the front and back length of internal-combustion engine; Avoid maximizing, can constitute the whole internal-combustion engine that comprises starting motor compactly.
Starting motor configuration structure according to second aspect; More rear at the starting motor of crank box; Crankshaft roughly below near the position be provided with oil pump, therefore, avoid maximizing because of oil pump makes internal-combustion engine; Simultaneously can be with setting shortlyer from the oil circuit of oil pump to crankshaft, the lubricant oil that can carry out swimmingly carrying out to crankshaft is supplied with.
Starting motor configuration structure according to the third aspect; Engagement and clamp the intermediate gear that gear wheel in large diameter and small diameter gear are formed as one at starting actuation gear that the outstanding to the left starting live axle of motor body from the starting motor of the front portion that is disposed at crankshaft is provided with and between by the starting driven gear of the left side axial region axle supporting of crankshaft; Therefore; Being situated between relatively has the gear train of the intermediate gear in left side row, and starting motor is configured in the right side, can suppress the front and back length of the whole internal-combustion engine that comprises starting motor less; Avoid the maximization of internal-combustion engine, realize compactness.
According to the starting motor configuration structure of fourth aspect, oil pump is configured in the starter motor driven gear and sees position overlapped in the side on the more right side of the vertical plane that comprises cylinder axis.
The vertical plane that the starter motor driven gear that is flush-mounted in the left side axial region of crankshaft is positioned at than the comprises cylinder axis side that more keeps left; Therefore; The oil pump that is positioned at the right side is configured in the starter motor driven gear sees position overlapped in the side; Thus, the front and back length of increasing combustion engine not can realize the compactness of whole internal-combustion engine.
According to the starting motor configuration structure of the 5th aspect,, cover the starting motor of the front portion that is configured in crank box from the place ahead at the mounting plate of car body framework internal support internal-combustion engine; The part protrusion of the outstanding power terminal of the corresponding starting motor of this mounting plate forms, and therefore, mounting plate covers starting motor from the place ahead; And also cover power terminal; Can protect starting motor integral body not receive the impact of foreign matters such as slungshot, therefore, can starting motor be configured in the below, front side of internal-combustion engine; Can make the internal-combustion engine compactness, the center of gravity of vehicle is descended.
Description of drawings
Fig. 1 is the profile of automatic two-wheeled cycle that loads the internal-combustion engine of an embodiment of the present invention;
Fig. 2 be loaded into vehicle body internal-combustion engine want portion's prior figures;
Fig. 3 is the left surface figure that pulls down this internal-combustion engine of left box body cover;
Fig. 4 is a right hand view of pulling down this internal-combustion engine of right case cover;
Fig. 5 is the sectional drawing of this internal-combustion engine;
Fig. 6 is the VI-VI line sectional drawing of Fig. 5;
Fig. 7 is the VII-VII line sectional drawing of Fig. 5.
Symbol description
1, automatic two-wheeled cycle, 2, head pipe, 3, main frame, 4, framework down, 5, seat holds up bar; 6, rear strut, 7, front fork, 8, front-wheel, 9, pivot plate, 10, back vent; 11, trailing wheel, 12, rear shock absorber, 13, fuel tank, 14, seat, 15, mounting plate; 16, bolt, 17, bolt, 18ru, upside assembly, 18rl, downside assembly, 19, bolt
20, internal-combustion engine, 21, crankshaft, 21l, left side crank axial region, 21r, right side crank axial region, 21w, crankweb; 22, crank box, 23, cylinder block, 24, cylinder head, 25, cylinder head cover; 26, suction tude, 27, throttle body, 28, air-strainer, 29, outlet pipe
30L, left side casing cover, 30R, right side casing cover, 31, main bearing, 32, driving sprocket wheel, 33, the starter motor driven gear, 34, overrunning clutch, 35, the AC generator, 36, pump driver gear, 37, spin-on oil filter, 38, nut
40, camshaft, 41, camshaft stand, 42, driven sprocket, 43, the cam rollers subchain, 44, Guide roller, 45, Guide roller
50, cam chain tension means, 51, tension arms, 52, pivot bolt, 53, hitch roll, 55, the tensioning tappet, 56, push rod, 57, pilot hole, 58, guide cylinder portion, 59, side panel, 60, oil groove, 61, control valve, 62, pressure spring, 63, tensioning bolt
70, starting motor, 71, the main body casing, 72, the bearing cap parts, 73, starter driving shaft, 74, power terminal, 75, bolt, 76, intermediate gear shaft, 77, intermediate gear
80, oil pump, 81, the pump substrate, 82, pump case, 83, external rotor, 84, internal rotor, 85, the pump live axle, 86, the pump driven gear
Embodiment
Below, according to Fig. 1～Fig. 7 an embodiment of the present invention is described.
Fig. 1 is the whole profile of the automatic two-wheeled cycle 1 of this mode of execution.
From the beginning the framework of body of this automatic two-wheeled cycle 1, pairing left and right main frame 3,3 manage 2 rearward a little after extending below, crooked downwards again and form steep rake 3a, 3a, make its underpart forwards bend to the く word, until the underpart.
In addition, from the beginning framework 4,4 manages 2 with acute rake angle downwards under the pairing left and right, sees that in the side the steep rake 3a with main frame 3 extends abreast.
Seat holds up bar 5,5 rearward to extend from the steep rake 3a of main frame 3,3, the top of 3a, links this seat and holds up rear strut 6, the 6 supporting seats of the bottom of central part and the steep rake 3a of bar 5,5,3a to hold up bar 5,5.
In framework of body as above; Manage 2 head lamp brush guard pivots at head and be supported with front fork 7; Be supported with front-wheel 8 at its lower end axle; The back vent 10 that axle is supporting front end on the pivot plate 9 of the く word curved section of the bottom that is arranged at main frame 3,3 rearward extends, spool is supported with trailing wheel 11 in its back-end, and between the central part that the rear portion and the seat of back vent 10 are held up bar 5, is folded with rear shock absorber 12.
The internal-combustion engine 20 that is loaded into framework of body is SOHC type list cylinder quartastroke engines, and relatively vehicle body is so that crankshaft 21 points to vehicle-body width direction, and the posture suspension that cylinder is leaned forward a little erect.
Rotate the gearbox casing of the formation speed change chamber, crank box 22 double as rear portions of the crankshaft 21 of ground axle suspension internal-combustion engine 20 freely, internal-combustion engine 20 constitutes power units.
Overlapping successively and one is fastenedly connected with cylinder block 23 and cylinder head 24 above crank box 22, on cylinder head 24, is coated with cylinder head cover 25, and cylinder block 23, cylinder head 24, cylinder head cover 25 are from crank box 22 tiltedly prominent establishing slightly forwards.
This mounting plate 15 is with reference to Fig. 2 Fig. 4; Be made into and make the left and right end portions of the rearward crooked antetheca 15f in bottom crooked to the top; Form the channel-like of left and right sides sidewall 15l, 15r, rearward diminishingly extend on the top of left and right sides sidewall 15l, 15r, forms upside assembly department 15fu; Extend to oblique upper the underpart of the bending of left and right sides sidewall 15l, 15r, forms downside assembly department 15fl.
Internal-combustion engine 20 with the front end of crank box 22 (like postscript; Starting motor 70 is installed) from the rear intercalation between the left and right sides sidewall 15l, 15r of the mounting plate 15 of two underparts that are fixed on back framework 4,4; The front side of crank box 22 mounting bracket 22fu, 22fl up and down utilizes bolt 17,17 to be installed in upside assembly department 15fu, the downside assembly department 15fl of mounting plate 15 respectively, and the front portion of crank box 22 is supported on back framework 4,4 via mounting plate 15.
On the other hand; The rear portion of crank box 22; Rear side up and down mounting bracket 22ru, 22rl utilizes bolt 19,19 to be installed in from last near the forwards prominent upside assembly 18ru that establishes of part, 18ru and forwards prominent downside assembly 18rl, the 18rl that establishes of the cross member 3c between the underpart that links main frame 3,3 of the steep rake 3a of main frame 3,3,3a bottom, via assembly 18ru, 18rl are supported on main frame 3,3 up and down.
Therefore, internal-combustion engine 20 is installed in the front and back of crank box 22 on the following framework 4,4 and main frame 3,3 of framework of body at two places up and down respectively, hangs on the framework of body.
Like this; Suction tude 26 is rearward extended from the upright cylinder head of establishing 24 that leans forward a little that is loaded into the internal-combustion engine 20 on the framework of body, and suction tude 26 is seen to be provided in by main frame 3, seat via throttle body 27 and side and held up the air-strainer 28 in the space of bar 5, rear strut 6 encirclements to link (with reference to Fig. 1).
In addition, outlet pipe 29 bending downwards of forwards extending from cylinder head 24 is rearward crooked again, below crank box 22, links with the silencing apparatus 29M on the right side that is configured in trailing wheel 11 rearward and on the right side.
With reference to Fig. 6, crank box about 22 is cut apart, and on the bearing wall 22Rw of the bearing wall 22Lw of left crank box 22L and right crank box 22R, rotates ground axle suspension crankshaft 21 freely via main bearing 31,31.
Crankshaft 21 is at bearing wall 22Lw; Location crankweb 21w, 21w in the crank chamber 22S between 22Rw; Left side crank axial region 21l and the right side crank axial region 21r outside to about bearing wall 22Lw, 22Rw is outstanding, and left side casing cover 30L and right side casing cover 30R cover its each outside.
On the crank axial region 21l of left side; Near main bearing 31, be equipped with the driving sprocket wheel 32 of valve actuation system; Rotate the large diameter starter motor driven gear 33 that the earth's axis freely is supported with starting mechanism the left neighbour of driving sprocket wheel 32; In the left side of starter motor driven gear 33, via overrunning clutch 34, the left part of crank axial region 21l is equipped with the external rotor 35r of AC generator 35 in the left side.
In the inner stator 35s that is contained in the external rotor 35r of AC generator 35 be fixed on the casing cover 30L of left side.
On the other hand, the chimeric pump driver gear 36 that oil pump 80 is arranged on the crank axial region 21r of right side, with the interior side box body 37a of the chimeric spin-on oil filter 37 of mode spline of this pump driver gear 36 of clamping from the right side, and fixing with nut 38.
Be made as interior side box body 37a cylindraceous, the right part is to the diametric(al) expansion and form bowl 37aa, and tabular cover 37b covers the right-hand opening of this bowl 37aa, constitutes the 37s of filter chamber in inside.
Right side crank axial region 21r connects cover 37b to right-hand outstanding, and its outstanding end is embedded into the cylinder boss part 30rb of the inboard protrusion formation of casing cover 30R to the right.
On right side crank axial region 21r and right side crankweb 21w, be formed with oil circuit 21ra, oil circuit 21ra is communicated with the 37s of filter chamber through the intercommunicating pore that connects its right-hand member along diametric(al).
In addition, the right-hand member of crank axial region 21r on the right side, with oil circuit 21ra bored a hole coaxially with cylinder boss part 30rb in be communicated with right-hand member oil circuit 21rb, the intercommunicating pore of left end that connects this right-hand member oil circuit 21rb along diametric(al) is the 37s inner opening in the filter chamber.
The right side casing cover 30R that covers spin-on oil filter 37 from the right side is formed with oil circuit 30ra (with reference to Fig. 7) in wall; Oil circuit 30ra is communicated with cylinder boss part 30rb is interior; The part of cylinder boss part 30rb and crankshaft 21 subtends is protruded to the inside and is formed, so, the oil in from the oil circuit 30ra in the wall of right side casing cover 30R to cylinder boss part 30rb; Get into the 37s of filter chamber of spin-on oil filter 37 via right-hand member oil circuit 21rb; Separate the removal foreign matter through centrifugal force, get into the oil circuit 21ra of crankshaft 21, supply to the linking department of crank pivot pin 21p and connecting rod 21c.
As shown in Figure 4, be provided with oil pump 80 at the roughly lower position of the crankshaft 21 of the bearing wall 22Rw of right crank box 22R.
Therefore; The oil pump 80 that is positioned at the right side of the vertical plane that comprises cylinder axis Lc is configured in the side and sees the position that overlaps with the starter motor driven gear 33 that is positioned at the left side; Thus, front and back length that can increasing combustion engine 20 can realize comprising the whole compactness of internal-combustion engine 20 of oil pump 80.
Direction connects pump substrate 81 and is rotated the pump live axle 85 of ground axle suspension freely with pump case 82 to the left and right, pump case 82 in and internal rotor 84 setting-ins, and is embedded with pump driven gear 86 to the right-hand outstanding end of pump case 82.
This pump driven gear 86 meshes with the pump driver gear 36 of the right side crank axial region 21r that is flush-mounted in crankshaft 21.
Therefore, the rotation of crankshaft 21 makes 85 rotations of pump live axle drive oil pump 80 via the engagement of pump driver gear 36 and pump driven gear 86.
Therefore, can set oily path shorter, can carry out the supply of oil swimmingly to the linking department of crank pivot pin 21p and connecting rod 21c from the oil circuit 21ra of oil pump 80 to crankshaft 21.
On the other hand; On cylinder head 24, constitute valve mechanism; Be formed in the top of cylinder head 24 by camshaft stand 41 clampings; Point to vehicle-body width direction axle supporting camshaft 40, have the driven sprocket 42 of roughly 2 times of diameters of the above-mentioned driving sprocket wheel 32 of valve actuation system at the left end setting-in of this camshaft 40.
At the driven sprocket that is flush-mounted in this camshaft 40 42 with to be flush-mounted in the Transmitted chains that sets up ring-type between the driving sprocket wheel 32 of crankshaft 21 be cam rollers subchain 43, the rotation of crankshaft 21 is reduced to 1/2nd rotating speed and passed to camshaft 40.
Cam rollers subchain 43 is not a silent chain, but roller chain.
Cam rollers subchain 43 is equipped on crank box 22, cylinder block 23, each cam chain chamber 22C of cylinder head 24,23C, 24C.
In the 23C of the cam chain chamber of cylinder block 23 rotation freely axle be supported with the Guide roller 44 of mid diameter with driving sprocket wheel 32 and driven sprocket 42, it leads to the front side of cam rollers subchain 43 and the rotation of rear side.
The cam chain chamber 22C of left side crank box 22L constitutes and the common space, ACG chamber that is covered AC generator 35 by left side casing cover 30L, and the space that the perisporium 22Ls that is extended by near the left of the crank box 22 the bearing wall 22Lw to the left surrounds is equivalent to cam chain chamber 22C.
The 22C in the cam chain chamber, as shown in Figure 5, in oblique upper position, the front side of driving sprocket wheel 32, on the bearing wall 22Lw of left side, rotate ground axle suspension Guide roller 45 freely, the rotation of the front side of cam rollers subchain 43 is led.
The 22C in the cam chain chamber, at the rear of driving sprocket wheel 32, swing is provided with the tension arms 51 of cam chain tension means 50 freely, and with its central authorities of 52 supportings of pivot bolt.
Rotate freely at the front end of the arm that above tension arms 51, extends that the earth's axis is supported with hitch roll 53, the front end of the arm that extends downwards forms abutment end 51e.
And, the abutment end 51e butt of the push rod of tensioning tappet 55 56 and tension arms 51, and the pushing application of force, therefore, the rear side rotary part of the hitch roll 53 pushing cam rollers subchains 43 of the front end of the arm that extends to the top applies the tension force of appropriateness to cam rollers subchain 43.
The incline section of the below of the driving sprocket wheel 32 that is in the perisporium 22Ls that from the left side of left crank box 22L bearing wall 22Lw extends to left holed obliquely form pilot hole 57; So that the bottom in the outside of its perisporium 22Ls than the top of the inboard of perisporium 22Ls near the place ahead, this pilot hole 57 connects cam chain chamber 22C and outside (with reference to Fig. 5).
The top of the perisporium 22Ls of pilot hole 57 is added side panel 59 and is formed oil groove 60 at left side wall, and the Lower Half of pilot hole 57 is formed at the guide cylinder portion 58 of extending to oblique below from perisporium 22Ls, and tensioning bolt 63 is sealed the opening of the lower end of guide cylinder portion 58.
The push rod 56 that is intercalated in this pilot hole 57 is made into cylindric, is embedded with the head member 56h of rubber system in open upper end, is provided with control valve 61 (with reference to Fig. 6) at lower ending opening.
Control valve 61 be embedded into the inside a little of the lower ending opening of push rod 56 at the round-meshed valve seat 61s that the round-ended cylinder shape arranged of diapire perforation; Ball 61b rotation is engaged in the cylinder of valve seat 61s; There is the valve gap 61c of round-ended cylinder shape to block the opening of valve seat 61s; Under the state of the whereabouts that prevents ball 61b, ball 61b constitutes in the circular hole of valve seat 61s and can open and close.
Lower ending opening from guide cylinder portion 58 inserts pressure spring 62 in the pilot hole 57, when sealing lower ending opening with tensioning bolt 63, utilizes 62 pairs of push rods 56 of pressure spring to the oblique upper application of force.
Like this; Through pressure spring 62 to the head member 56h of the upper end of the push rod 56 of the oblique upper application of force and the abutment end 51e butt of aforesaid tension arms 51; The side of Fig. 5 is seen, counterclockwise to the tension arms 51 swing application of forces, therefore; The rear side rotary part of the hitch roll 53 pushing cam rollers subchains 43 of the other end of tension arms 51 can apply certain force of strain to cam rollers subchain 43.
The oil that in oil groove 60, accumulates also is full of in the push rod 56 and from the pilot hole 57 of the downward guide cylinder portion 58 that clamps pressure spring 62 of control valve 61 from the circular hole that forms at the cylindrical wall of push rod 56; Under the effect of the control valve 61 of controlling this oily flow; Push rod 56 is forbidden retreating and is only permitted to advance; Thus, tensioning tappet 55 prevents the loose of cam rollers subchain 43, can keep the tension force that cam rollers subchain 43 is continuously applied appropriateness.
In 20 kinds in this internal-combustion engine, be equipped with starting motor 70 in the front side of crank box 22.
With reference to Fig. 5; Side shown in Figure 5 sees, internal-combustion engine 20 lean forward a little the center line in cylinder chamber of the upright cylinder block of establishing 23 be the push rod 56 of cylinder axis Lc and tensioning tappet 55 rod axis Lr (center line of the pilot hole 57 of push rod 56 intercalation slidably) formation in the obtuse angle in the place ahead, dispose starting motor 70.
It is little to compare frictional force to the cam rollers subchain 43 of valve system transferring power and silent chain, but instead needs tension arms 51, push rod 56, and starting motor 70 must be avoided configurations such as cam rollers subchain 43, push rod 56.
Therefore; If the space in the obtuse angle of cylinder axis Lc and rod axis Lr formation; Then do not interfere, can make starting motor 70 be configured in the side and see in the obtuse angle of the intersection point that convergence cylinder axis Lc and rod axis Lr to greatest extent are crossing, can suppress the front and back length of internal-combustion engine 20 with cylinder block 23 or tensioning tappet 55; Avoid maximizing, can constitute internal-combustion engine 20 integral body that comprise starting motor 70 compactly.
The antetheca of the left crank box 22L in the space in being in this obtuse angle; Between the forwards outstanding mounting bracket 22fu in top and the bottom, 22fl, forwards extend; Form the motor mounting wall 22M (with reference to Fig. 5) of starting motor 70, be formed with above-mentioned perisporium 22Ls at the ora terminalis of the motor mounting wall 22M that forwards extends.
In the circular hole 22mh that the inboard of the perisporium 22Ls of motor mounting wall 22M forms, insert the starter driving shaft 73 (with reference to Fig. 7) of starting motor 70.
With reference to Fig. 7, the open end of the main body casing 71 that the round-ended cylinder shape is arranged of starting motor 70 covers bearing cap parts 72, and starter driving shaft 73 connects the outstanding bearing boss part 72b of bearing cap parts 72 and gives prominence to.
On bearing cap parts 72, be extruded with the power terminal 74 that is used for the electric power supply to diametric(al).
Starting motor 70 is provided on the motor mounting wall 22M from right-hand, and bearing boss part 72b is embedded in the circular hole 22mh, utilizes bolt 75 that bearing cap parts 72 are fixed on the motor mounting wall 22M.
From the bearing boss part 72b of the starting motor 70 that is fixed on motor mounting wall 22M to the inboard of the outstanding starter driving shaft 73 of left at the perisporium 22Ls of left crank box 22L; Along outstanding, be formed with starter driving gear 73g in the end of starter driving shaft 73 to the part of the forefront of perisporium 22Ls protrusion.
At the rear oblique upper of this starter driving gear 73g, on the intermediate gear shaft 76 between motor mounting wall 22M that is set up in left crank box 22L and the left box body cover 30L, rotating freely, the earth's axis is supported with intermediate gear 77 (with reference to Fig. 7).
Like this, constitute starting mechanism in the place ahead by the starter motor driven gear 33 of 21 supportings of crankshaft.
When starting motor 70 drove, the rotation of starter driving shaft 73 was slowed down via intermediate gear 77 and is passed to starter motor driven gear 33, transmits rotation via overrunning clutch 34 to crankshaft 21 from starter motor driven gear 33 internal-combustion engine 20 is started.
Between starter driving gear 73g that the starter driving shaft 73 outstanding to the left from the motor body 71 of starting motor 70 forms and starter motor driven gear 33, clamp gear wheel in large diameter 77b and the integrally formed intermediate gear 77 of small diameter gear 77s by the left side crank axial region 21l axle supporting of crankshaft 21; As shown in Figure 7; The central authorities of relative crankshaft 21; Arrange the gear row that Jie has intermediate gear 77 in the left side, relative with it, set starting motor on the right side; The whole front and back length of internal-combustion engine 20 that will comprise starting motor 70 suppress lessly, avoid internal-combustion engine 20 maximization and can compactness.
The above-mentioned mounting plate 15 of the starting motor 70 that covering is installed along the outer wall of the antetheca of crank box 22 is made generally in and utilizes antetheca 15f and left and right sides sidewall 15l, 15r to make the channel-like of lower direction bent, the left side of antetheca 15f be formed for covering than main body casing 71 at the big bearing cap parts 72 of diametric(al) and from the antetheca bump 15fb that forwards protrudes of the outstanding power terminal 74 of bearing cap parts 72 along the main body casing 71 of starting motor 70.
In addition, right side wall 15r be formed for covering from the place ahead starting motor 70 main body casing 71 the right part and to the right side wall bump 15rb of right-hand protrusion.
The below is more leaned on than internal-combustion engine 20 in the lower end of the antetheca 15f of mounting plate 15.
As stated; Cover at the mounting plate of framework of body upper support internal-combustion engine 20 15 antetheca that is provided in crank box 22 starting motor 70 the place ahead and below, therefore, can protect starting motor 70 integral body not receive the shock effect of foreign matters such as slungshot; Therefore; Can starting motor 70 be configured in the below, front side of internal-combustion engine 20, can make internal-combustion engine 20 compactnesss, the center of gravity of vehicle is descended.
In addition, the below is more leaned on than internal-combustion engine 20 in the lower end of the antetheca 15f of mounting plate 15, also protects the bottom of internal-combustion engine 20 not influenced by slungshot etc.
In addition, at the rear of the starting motor 70 of crank box 22, crankshaft 21 roughly below near the position be provided with oil pump 80, therefore, also can avoid maximizing because of oil pump 80 makes the internal combustion motivation.
Claims (6)
1. the starting motor configuration structure of an internal-combustion engine, in this internal-combustion engine, crankshaft is rotated freely that the earth's axis is bearing in the crank box of the internal-combustion engine that is equipped on automatic two-wheeled cycle with pointing to left and right directions,
Be flush-mounted in the driving sprocket wheel on the said crankshaft and be flush-mounted in the roller chain of setting up ring-type between the driven sprocket on the camshaft of valve system,
Said roller chain is pushed by push part,
By the said push part of push rod crimping, the intercalation slidably of this push rod in being formed at the pilot hole of said crank box,
Front-wheel place one side of this automatic two-wheeled cycle is defined as the place ahead, and one side is defined as the rear with the trailing wheel place, it is characterized in that,
Said push rod set for, see the rod axis of this push rod from the side and the cylinder axis of the cylinder that erects from said crank box forms the obtuse angle forwardly,
In the obtuse angle, the place ahead of said cylinder axis and the formation of said rod axis, at the front portion of said crank box configuration starting motor.
2. the configuration structure of the starting motor of internal-combustion engine as claimed in claim 1 is characterized in that, at the rear of the said starting motor of said crank box, the position is provided with oil pump near below the said crankshaft.
3. according to claim 1 or claim 2 the configuration structure of starting motor of internal-combustion engine is characterized in that,
The starter driving shaft outstanding to the left from the motor body of said starting motor is provided with starter driving gear,
The axial region axle is supported with the starter motor driven gear in the left side of said crankshaft,
Between said starter driving gear and said starter motor driven gear, mesh and clamp gear wheel in large diameter and the integrally formed intermediate gear of small diameter gear.
4. the starting motor configuration structure of internal-combustion engine as claimed in claim 3 is characterized in that, the vertical plane that said oil pump is disposed at than comprises said cylinder axis more on the right side, see position overlapped with said starter motor driven gear in the side.
5. like the starting motor configuration structure of claim 1,2 or 4 described internal-combustion engines, it is characterized in that, cover the said starting motor of the front portion that is configured in said crank box from the place ahead at the mounting plate of framework of body upper support internal-combustion engine,
The part of the outstanding power terminal of the corresponding said starting motor of said mounting plate forms projectedly.
6. the starting motor configuration structure of internal-combustion engine as claimed in claim 3 is characterized in that, covers the said starting motor of the front portion that is configured in said crank box from the place ahead at the mounting plate of framework of body upper support internal-combustion engine,
The part of the outstanding power terminal of the corresponding said starting motor of said mounting plate forms projectedly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009040233A JP5219883B2 (en) | 2009-02-24 | 2009-02-24 | Starter motor arrangement structure of internal combustion engine |
| JP2009-040233 | 2009-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101813045A CN101813045A (en) | 2010-08-25 |
| CN101813045B true CN101813045B (en) | 2012-07-18 |
Family
ID=42620387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910262494XA Active CN101813045B (en) | 2009-02-24 | 2009-12-18 | An distribution structure of engine starting motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5219883B2 (en) |
| CN (1) | CN101813045B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6113027B2 (en) * | 2013-09-03 | 2017-04-12 | 本田技研工業株式会社 | Saddle riding type vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219381Y (en) * | 1995-08-10 | 1996-02-07 | 重庆市轰达车辆配件研究所 | Electric starting device for motorcycle engine |
| CN1247939A (en) * | 1998-09-14 | 2000-03-22 | 本田技研工业株式会社 | V-shape internal combustion engine for motor bike |
| JP2002227601A (en) * | 2001-02-02 | 2002-08-14 | Honda Motor Co Ltd | Engine for motorcycle |
| CN1530521A (en) * | 2003-03-18 | 2004-09-22 | 本田技研工业株式会社 | Topping cam engine |
| US20050274346A1 (en) * | 2004-06-15 | 2005-12-15 | Honda Motor Co., Ltd. | Arrangement structure of starter motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825671U (en) * | 1981-08-13 | 1983-02-18 | スズキ株式会社 | Motorcycle engine starter motor protection device |
| JP3547861B2 (en) * | 1995-08-09 | 2004-07-28 | 本田技研工業株式会社 | Kick starter for motorcycles |
| JP4035226B2 (en) * | 1998-03-31 | 2008-01-16 | 本田技研工業株式会社 | Cam chain tensioner device for vehicle engine |
| JP4578016B2 (en) * | 2001-04-16 | 2010-11-10 | 本田技研工業株式会社 | Cam chain lifter device for internal combustion engine |
| JP2003127961A (en) * | 2001-10-19 | 2003-05-08 | Suzuki Motor Corp | Swing arm fitting structure of motorcycle |
| EP2479403A3 (en) * | 2002-04-08 | 2013-07-17 | Yamaha Hatsudoki Kabushiki Kaisha | Combustion engine |
| JP2007024007A (en) * | 2005-07-21 | 2007-02-01 | Honda Motor Co Ltd | Lubricating device of internal combustion engine |
| JP4361560B2 (en) * | 2006-12-28 | 2009-11-11 | 本田技研工業株式会社 | Motorcycle engine |
-
2009
- 2009-02-24 JP JP2009040233A patent/JP5219883B2/en not_active Expired - Fee Related
- 2009-12-18 CN CN200910262494XA patent/CN101813045B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219381Y (en) * | 1995-08-10 | 1996-02-07 | 重庆市轰达车辆配件研究所 | Electric starting device for motorcycle engine |
| CN1247939A (en) * | 1998-09-14 | 2000-03-22 | 本田技研工业株式会社 | V-shape internal combustion engine for motor bike |
| JP2002227601A (en) * | 2001-02-02 | 2002-08-14 | Honda Motor Co Ltd | Engine for motorcycle |
| CN1530521A (en) * | 2003-03-18 | 2004-09-22 | 本田技研工业株式会社 | Topping cam engine |
| US20050274346A1 (en) * | 2004-06-15 | 2005-12-15 | Honda Motor Co., Ltd. | Arrangement structure of starter motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010196519A (en) | 2010-09-09 |
| CN101813045A (en) | 2010-08-25 |
| JP5219883B2 (en) | 2013-06-26 |
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