CN1113013C - Cover structure for small pedal motor - Google Patents

Abstract

The structure includes a lower recess (56) and an upper recess (57). A battery (39) is supported by the upper recess. A chassis frame (7) and a rear sub frame (29) are covered by the body cover. A fuel tank (37) and an oil tank (38) which are supported by the chassis frame, are arranged in the lower recess. The body cover is extended from front side to rear side. An aperture (55g) which is formed in the lower recess, is extended to the oil supply port (38a) in upper part of the oil tank. A seat is arranged in upper part of the chassis frame open/closably.

Description

The lid structure of small pedal motor

Technical field

The present invention relates to have than the lid structure in the small pedal motor of low base plate at the central portion of car body fore-and-aft direction, described lid is the base plate cover of stretcher and covers below-seat car body lid on every side etc.

In addition, the invention still further relates to the mounting structure of the rear mudguard in this kind vehicle, that is, rear mudguard is installed on the mounting structure of the body framework lower rear of holding up to the back upper place from the base plate rear.

Background technology

Base plate cover in the small pedal motor is generally less dismantled for safeguarding, so its general structure is: after the assembling initial stage is with it installation, the car body lid is cooperated with mounted base plate cover the car body lid is installed.

Even in the freeing pipe mounting portion of the combustion engine of mounting or dismounting engine installation front portion, when carrying out the safeguarding of silencer etc., also will unload large-scale car body lid, operation is difficult for carrying out.

Therefore just had or covering to be provided with at car body safeguards to cut apart with lid or with the car body lid and left and right side cap lumped together and form the structure (spy opens clear 62-94488 communique etc.) that car body covers.

Difficult points such as but this just needs the mould of maintenance with lid, side cover etc., thereby exists the increase cost, makes assembling elongated man-hour, and operating efficiency is low.

Summary of the invention

The present invention makes just in view of the above problems.Its purpose is to provide a kind of lid structure of inexpensive small pedal motor, and few and simple structure makes and makes operation simple by removable lower shoe lid when carrying out the safeguarding of silencer etc. this lid with parts.

In addition, because small pedal motor has low base plate at the middle position of its fore-and-aft direction, so the space between vehicle seat and engine installation sets various devices, particularly, large components such as Fuel Tank are located at the vehicle seat lower front, and the rear portion that this part swings up and down than trailing wheel and configuration space is narrow and small has abundant space.

Such Fuel Tank is located at the vehicle seat lower front and make vehicle seat can the small pedal motor of freely openable in, the car body that has a routine motion to propose the electricity piece containing box is integrally formed in the covering body rear portion covers.

But, except that electricity piece, also must set fuel tank, therefore other needs other installing component, generally 1～2 position with bolt.Thereby not only the investment of mould such as installing component becomes big, and number of components increases the assembling trouble.

The present invention makes in view of the above problems.

Its purpose is to provide a kind of car body lid structure of cheapness, and this structure is integrally formed in car body with the parts of fixed oil tank, electricity piece etc. and covers in small pedal motor, reduce the mould investment, cuts down number of components, makes assembling operation easy.

For achieving the above object, the lid structure of the small pedal motor of the invention that the present invention put down in writing, this motor bike has lower base plate at its vehicle fore-and-aft direction central portion, body framework at this base plate rear is holded up backward, thereunder can swing hinged freely engine installation, wherein, constitute the base plate cover of above-mentioned base plate, rearward hold up at its rear portion, cover the place ahead, bottom and the side, the left and right sides of the portion of holding up of above-mentioned body framework, its rear upper end is connected in the whole front lower ends that covers the car body lid around the body framework of above-mentioned base plate rear, and the connecting portion of above-mentioned base plate cover and car body lid is in the freeing pipe installation portion of the more above-mentioned engine installation position of top more.

Because above-mentioned structure, connecting portion is in the position of more leaning on the top than the freeing pipe installation portion of engine installation between base plate cover and the car body lid, so, only base plate cover is pulled down promptly detachable freeing pipe, not only upkeep operation is simple, and saved and safeguarded with lid and side cover, so can omit the mould of safeguarding with lid, side cover, and can reduce number of components and assemble man-hour, improve operating efficiency, cost-cutting.

On the basis of the lid structure of foregoing invention, the connecting portion of above-mentioned base plate cover and above-mentioned car body lid is that the installation portion with above-mentioned base plate cover is overlapped in side and fastening forming outside the installation portion of above-mentioned car body lid, like this, with respect to the car body lid that is in installing condition, can easily only install and remove base plate cover, the upkeep operation of freeing pipe, noise silencer is carried out easily.

On the basis of above-mentioned lid structure, one of connecting portion of above-mentioned base plate cover and above-mentioned car body lid side has the backstop pawl, and the opposing party has the backstop hole, the two is chimeric and be combined into connecting part, like this, not only can guarantee the easy dismounting of base plate cover, and can positively realize itself and being connected that car body covers.

For achieving the above object, on the basis of foregoing invention, being characterised in that of lid structure of the present invention:

But above-mentioned body framework supporting is by the Fuel Tank and the fuel tank of the vehicle seat covering of freely openable, above-mentioned car body lid is across fore-and-aft direction, cover integratedly above-mentioned body framework around, form from the lower opening recess of the above-mentioned fuel tank of top lid simultaneously and take in the top opening recess of holding electrical spare, on the roof of above-mentioned lower opening recess, wear opening so that the oil supply port of above-mentioned fuel tank is highlighted upward.

The present invention is owing to have above-mentioned structure, car body covers and forms lower opening recess and top opening recess, the lower opening recess covers fuel tank from the top, fuel tank can be fixed, and top opening recess is taken in electricity piece, so, the installing component that can not need fuel tank, electricity piece etc. not only can be cut down the mould investment, and can reduce number of components, simplify installation exercise, cost-cutting.

On the basis of the lid structure of described small pedal motor, above-mentioned lower opening recess and above-mentioned top opening recess are located at the rear of above-mentioned Fuel Tank, like this, Fuel Tank are located at the lower front of vehicle seat, its rear configuration fuel tank and electricity piece can utilize the space in higher efficiency.

On the basis of the lid structure of described small pedal motor, make above-mentioned lower opening recess and above-mentioned top opening recess have front side wall, and adjoin landform and be integral, like this, can simplify car body lid shape, with high spatial degree of utilization configuration fuel tank and electricity piece etc.

On the basis of the lid structure of described small pedal motor, above-mentioned lower opening recess and above-mentioned top opening recess are provided in fore-and-aft direction, like this, just can be easily with fuel tank, electricity piece is accommodated within the width of the vehicle seat left and right sides.

On the basis of the lid structure of above-mentioned small-sized feet forwards motorcycle, the projection that is formed on the above-mentioned fuel tank upper wall is embedded in be formed in the joint-cutting in roof desired location of above-mentioned car body lid lower opening recess and by backstop, like this, fuel tank can be fixed in car body without screw etc. and cover, can make assembling operation easy.

On the basis of the lid structure of above-mentioned motor scooter, the projection that is formed on the above-mentioned fuel tank lower wall is embedded in the joint-cutting that is formed on the body framework desired location and by backstop, like this, can not use fasteners such as screw fuel tank can be remained in body framework, aid in below end opening recess chimeric of car body lid, positively fixed oil tank.

Below, in conjunction with figure explanation embodiments of the invention.

Description of drawings

Fig. 1 is the two-wheeled lateral plan of small pedal with embodiment of lid structure involved in the present invention and rear mudguard.

The lateral plan of underframe and after-frame in this small-sized foot-operated two-wheeled lid structure of Fig. 2 and the rear mud-guard structure.

Fig. 3 is the planar view of corresponding figures 2.

Fig. 4 is the planar view of base plate cover.

Fig. 5 is the lateral plan of base plate cover.

Fig. 6 is the planar view of car body lid.

Fig. 7 is the lateral plan of car body lid.

Fig. 8 is the prior figures of car body lid.

The back view of Fig. 9 leg guard.

Figure 10 along X among Fig. 9 to view.

Figure 11 is the lateral plan of the two-wheeled cut part of base plate of this small pedal.

Figure 12 is the cross sectional drawing that cuts off along the XII-XII among Figure 11.

Figure 13 is the planar view of back subframe.

Figure 14 is the vertical cross sectional drawing that cuts off along the XIV-XIV among Figure 13.

Figure 15 is the transverse cross of cutting off along the XV-XV among Figure 13.

Figure 16 is the transverse cross of cutting off along the XVI-XVI among Figure 13.

Figure 17 is the transverse cross of cutting off along the XVII-XVII among Figure 13.

Figure 18 is the cross sectional drawing of rear vehicle main portion.

Figure 19 is the cross sectional drawing that cuts off along the XIX-XIX among Figure 18.

Figure 20 is the cross sectional drawing that cuts off along the XX-XX among Figure 18.

Figure 21 is the cross sectional drawing of the leading section bonding state of expression back subframe and car body lid and supporting plate.

The lateral plan of the installing condition of Figure 22 after-frame top rearward end and subframe and rear mudguard.

Figure 23 is the enlarged drawing of Fig. 2 XXIII portion.

Figure 24 is the transverse cross of cutting off along the XXIV-XXIV among Fig. 2.

Figure 25 is the transverse cross of cutting off along the XXV-XXV among Fig. 2.

Figure 26 is the lateral plan of mudwing.

Figure 27 is the planar view of corresponding Figure 22.

The transverse cross that Figure 28 cuts off along the XXVIII-XXVIII among Figure 27.

Figure 29 is the front view of rear mudguard.

Figure 30 is the transverse cross of cutting off along the XXX-XXX among Figure 26.

Figure 31 is the vertical disconnected lateral plan of the amplification of main portion among Figure 18.

Figure 32 is the vertical disconnected lateral plan of the amplification of main portion among Figure 18.

Figure 33 is the transverse cross of cutting off along the XXXIII-XXXIII among Figure 31.

Figure 34 is the transverse cross of cutting off along the XXXIV-XXXIV among Figure 33.

Figure 35 is the transverse cross of cutting off along the XXXV-XXXV among Figure 31.

Figure 36 is the exploded perspective view of body frame structure for automotive in the prior art.

The specific embodiment

Below, at first instruction diagram 1～Figure 12 is graphic relates to an example of the present invention.

As shown in Figure 1, miniature pedal formula automatic two-wheeled cycle 1 has front-wheel 3 and trailing wheel 4 in body framework 2 front and back, and this body framework 2 is by preceding pipe 5, and pipe shape underframe 6 and after-frame 7 constitute.Described underframe 6 pipe 5 before above-mentioned hangs down to the back lower place, and shows horizontal direction greatly at place, bottom 50 bottoms and rearward extend.Described after-frame 7 is incorporated into the rearward end 6a of above-mentioned underframe 6 integratedly, and has the hollow oblong section of holding up to the back upper place (size in the overall width direction is big).The forward lower part 7a of this after-frame 7 downward rear bending, and rearward extend to cover the below of rear engine installation 21.

In addition, as shown in Figure 2, the rearward end 6a of underframe 6 is bent downwardly slightly, simultaneously, its upper surface form flats with the curved lower surfaces closed contact of after-frame 7.The both side edges that is in contact with one another part of underframe 6 and after-frame 7 is combined into one with welding manner.

Also have, as shown in Figure 2, at upper surface than the horizontal rear portion 6b of the contact portion underframe 6 more on the front of underframe 6 and after-frame 7, and more on the front surface by the 7b of the portion of holding up of the after-frame 7 of top the place ahead corner plate 8 is set contiguously than the contact portion of underframe 6 and after-frame 7, it is fused with welding manner in this contact part both side edges, by this place ahead end flap 8, rigidity, the intensity of the joint portion of underframe 6 and after-frame 7 are all strengthened.

Moreover, as shown in Figure 2, welding rear corner plate 9 on than the rear surface of the 7b of the portion of holding up of the after-frame 7 curve 7c above more and two sides, rigidity, the intensity of the curve 7c of after-frame 7 are strengthened.

At the affixed main car pernetti 10 in the rear end of rear, the bottom extension 7d that the forward lower part 7a from after-frame 7 rearward extends, main car props up 11 and is propped up by these main car pernetti 10 pivots, can free rough ground swing by the extension coil spring 13 that clamps.

Hang sleeve 14 and pass the left and right sides face of the left and right sides face of the 7b of the portion of holding up of after-frame 7 and the place ahead corner plate 8 and welding thereon, the front end of pair of right and left suspension connecting rod 16 is installed in the two ends of the suspension pin 15 that is flush-mounted in this suspension sleeve 14 integratedly, hang the rear end of connecting rod 14 at this, by mount pin 17 install engine installations 21 front end so that this engine installation 21 can swing up and down.

In addition, rearward end 7e above the 7c of the top of after-frame 7, by being welded in carriage 18 on its left surface with towards the direction of width over sides of car body direction welding buffer support axle 19, the right flank weld nugget fire coil mounting column 20 of rearward end 7e also links to each other with welding manner at the cardinal extremity of above-mentioned buffer support axle 19 and the contact part of high-tension coil mounting column 20 up.

Engine installation 21 comprises combustion engine 22, V-belt stepless speed changer 23 and gear reducer 24.Trailing wheel 4 is installed on the output shaft of skiving wheel decelerator 24 integratedly, with the two ends up and down that installation shaft 25 pivots of the buffer support axle 19 of the top rearward end 7e of after-frame 7 and engine installation 21 prop up energy disperser 26, the latter half weight of miniature pedal automatic two-wheeled cycle by energy disperser 26 and engine installation 21 by trailing wheel 4 supportings.

At combustion engine 22 the tilt rear of the upright cylinder body of establishing, side place after a while, carburetter 34 is set, above the rear of this carburetter 34, left side V-type band stepless speed changer 23, fil 33 is set.The top of V-type band stepless speed changer 23 is provided with fil 33.

Firm the 35a of cardinal extremity that on the cylinder body fwd freeing pipe installation portion 22a of combustion engine 22, connects freeing pipe 35, freeing pipe 35 forwards extends, this freeing pipe 35 is after forwards extending, again to the right-hand bending of car body, circuitous and rearward extend from the below again on the car body right side in the front of combustion engine 22, and be connected with noise silencer 36.

On the other hand, front portion at car body, steering axle 30 can be flush-mounted in the preceding pipe 5 about freedom pivotally, steering is being adorned integratedly 31 in the upper end of this steering axle 30, simultaneously, lower end at this steering axle 30 is installed pair of right and left front fork 32 integratedly, and pivot is propping up front-wheel 3 on the ground free to rotate, lower end of this front fork 32.

Foot-operated board at the underframe 6 of body framework 2, centre at the width up and down of horizontal pars intermedia 6c that extends back and horizontal rear portion 6b, there is the substrate tubes 27 along the width over sides of car body direction of arranging before and after a pair of being to pass, this substrate tubes 27 is fixed in underframe 6 integratedly with welding manner, above the two ends, the left and right sides of this substrate tubes 27 by welding integratedly fixed base plate frame 28 (referring to Fig. 2, Fig. 3), on this floor board framing 28, open and be provided with base plate cover 50.

In addition, rearward end 7e above after-frame 7, subframe 29 rearward extends and is set as one with it behind the aluminum, above after-frame 9 and back subframe 29, the direction rear sets gradually Fuel Tank 37 in the past, the vehicle seat 40 that fuel tank 38 and battery 39, front end pivot prop up on the front end frame of Fuel Tank 37 can cover Fuel Tank 37, fuel tank 38 and battery 39 in freely openable ground from the top.

Below this vehicle seat 40, car body lid 55 integrally cover after-frame 7 and secondary after-frame 29 around, the central cover 44 that is connected in the nock of this car body lid 55 covers the forward lower part of Fuel Tank 37, vehicle seat 40 covers Fuel Tank 37, the top of fuel tank 38 and battery 39 etc. and when closing, the lower end of vehicle seat 40 hit that edge contacts with the last ora terminalis of central cover 44 and car body lid 55 and airtight.

The rear portion of car body lid 55 covers the top of the rear mudguard of trailing wheel 4 tops, and the front lower ends of this car body lid 55 connects the upper end of the portion of holding up 52 at above-mentioned base plate cover 50 rear portions.

On the other hand, from the front portion of base plate cover 50 leg guard 42 is set, this leg guard 42 covers the rear portion of underframe 6, and holds up upward along underframe 6.The front fender apron 41 that stretches out from mediad the place ahead of this leg guard is positioned at the top of front-wheel 3, is installed on integratedly on the above-mentioned front fork 32.

The formation of the lid of covering body roughly as mentioned above.

Wherein, if observe base plate cover 50 in detail, then shown in Fig. 4,5 like that, this base plate cover is made of the horizontal plate part 51 of placing driver's both feet and the portion of holding up 52 at rear portion thereof.

Horizontal plate part 51 forms: has the recess that bottom tube 6 is passed through in its front, center position, forms pedal position 51l about it, and the shape of 51r, at two pedal position 51l, the position, front and back separately of 51r, bolt hole 51a runs through the boss portion 51b that stretches out downwards.

In addition, on horizontal plate part 51, about the left and right sides edge at oblique rear of front side boss portion 51b near form the prominent installation sheet 51c that establishes respectively downwards.

Be formed with flat roundlet columnar projections on the whole surface of the upper surface of horizontal plate part 51.Wherein, the projecting height of 5 protruding 51d in the bolt hole 51a of the front side outside is big, and the hill height in the anterior outside uprises gradually, and by these projectioies, the pin that can prevent the frame person of sailing is directly to the leg guard applied load.

In addition, the inside face (lower surface) at horizontal plate part 51 forms cancellate fin.

The portion of holding up 52 at the rear portion of above-mentioned horizontal plate part 51 is when the trailing edge of horizontal plate part 51 is holded up upward, and its left and right sides sidepiece rearward extends out more longways, from birds-eye view, forms the opening (referring to Fig. 4) of U font.

Hold up on the U word shape of portion 52 ora terminalis 52a and extend out slightly to the inside and form a horizontal surface, form outstanding to the inside protrusion tab 52b in that former and later two of its left-right symmetric position are local, go up the backstop hole 52c that forms the joint-cutting shape with this protrusion tab 52b.

And, hold up that the front upper middle body of portion 52 is rearward recessed to be gone out, form the rectangular plate shape installation portion 52d that position in the central has the vertical direction of screw hole, form breach near this installation portion 52d of ora terminalis 52a on above-mentioned.

On the other hand, car body lid 55 as Fig. 1 and Fig. 6～shown in Figure 8 comprise: cover after-frame 7 anterior the place ahead one sides and the left and right sides and up big opening lid front portion 56, with the oblique upper of above-mentioned this lid anterior 56 continuously formation be used to set in the middle part of the lid of fuel tank 38 and battery 39 57.Form and extend to the postoperculum 58 of the top that covers rear mudguard continuously with the rear at this lid middle part 57.

Lid middle part 57 forms: left and right sides sidewall 57a upwards holds up, the roof 57b covering body top that roughly is level, form circular open 57c at this roof 57b forebody middle position, the latter half of formation of the roof 57b at this opening rear recessed significantly downwards go out into rectangular-shaped above opening recess 57d.

The lower opening recess 57e that is surrounded by the antetheca of the forebody of roof 57b and left and right sides sidewall 57a and above-mentioned top opening recess 57d covers fuel tank 38 from the top, the prominent upward oil supply port of establishing of fuel tank 38 passes circular open 57c and projects upwards.

The top opening recess 57d at these fuel tank 38 rears is a hexahedron shape accommodation space, takes in from the top with battery 39.

The last ora terminalis of the portion of holding up 52 of the corresponding above-mentioned base plate cover 50 of following ora terminalis 56a of lid anterior 56 forms the U font, forms downward backstop pawl 56b that give prominence in that former and later two of the left-right symmetric position of this time ora terminalis 56 are local.

This backstop pawl 56b covers sidewall and is positioned at the inboard slightly and highlights, and forwards stretch out its underpart, is seen as the L font from lateral plan.

In addition, the installation sheet 56c inwall of lid anterior 56 is positioned at the inboard slightly, and outstanding downwards from the front, center position of covering anterior 56 following ora terminalis 56a.

The backstop hole 52c of protrusion tab 52b on the backstop pawl 56b of car body lid 55 and the last ora terminalis 52a of the portion of holding up 52 that is located at base plate cover 50 is corresponding, and it is corresponding with the installation portion 52d of base plate cover 50 that car body covers 55 installation sheet 56c.

With respect to being the car body lid 55 that is installed in the state on after-frame 7 and the back subframe 29, the portion of holding up 52 of direction rear movable base plate lid 50 is flush-mounted in the below of lid anterior 56 with it in the past.

At this moment, base plate cover 50 is tilted slightly, so that the backstop pawl of car body lid 55 embeds among the backstop hole 52c of bottom plate 50, then L font backstop pawl 56b is matched with backstop hole 52c, the last ora terminalis 52a of the portion of holding up 52 of bottom plate 50 is contacted with the following ora terminalis 56a of car body lid 55 lids anterior 56, and the two is connected, simultaneously, for the outstanding installation sheet 56c in front, center position from covering front portion 56, the installation portion 52d of base plate cover 50 joins with it from the outside.

With screw 70 and packing ring 71 that this installation portion 52d and installation sheet 56c is fastening.

If screw 70 is removed,,, also can only base plate cover 50 be taken off even car body lid 55 still is in the state that is installed on the vehicle frame because the installation portion 52d of base plate cover 50 is positioned at the outside of the installation sheet 56c of car body lid 55.

The connecting portion A of this base plate cover 50 and car body lid 55, it is the face of joint of the following ora terminalis 56a of the last ora terminalis 52 of base plate cover 50 and car body lid 55, as shown in Figure 1, be positioned at the top of installation portion B, the cardinal extremity fastening part 35a that described installation portion B is a freeing pipe 35 is fastened to the position of freeing pipe installation portion 22a of the cylinder body front of combustion engine 22.

So, when car body lid 55 still is in installing condition,, then expose the installation portion B of freeing pipe 35 if base plate cover 50 is pulled down, can carry out the mounting or dismounting of freeing pipe 35.

On the other hand, as Fig. 9 and shown in Figure 10, leg guard 42 has carriage 42a horizontal-extending rearward in its lower end, left and right sides, wear bolt hole 42b on the desired location of this carriage 42a.

In addition, wear screw hole 42c in sidewall bottom, the left and right sides of leg guard 42.

Also have,, form the prominent bar 42d of horizontal direction along side wall inner surfaces than the high slightly position of above-mentioned carriage 42a.

On the left and right sides floor bracket 28 that is located at integratedly by substrate tubes 27 on the underframe 6, wear bolt hole 28a in its front and rear portions, and lower surface welded nut 28b (referring to Fig. 3) in this hole, support the following end bracket 42a of leg guard 42 at the leading section of this floor bracket 28, on this time end bracket 42a, pass through the left and right sides pedal position 51l of the stacked base plate cover 50 of lug boss 51b, the front portion of 51r, at this moment, left and right sides pedal position 51l, the front-end edge of 51r is by the prominent bar 42d supporting that forms on the side wall inner surfaces that is formed at leg guard 42.

Like this, as shown in figure 11, on the leading section of floor bracket 28 stacked successively carriage 42a, lug boss 51b, each bolt hole 28a, 42b, 51a are matched, bolt 72 is passed from the top and be screwed in nut 28b,

So, be fastened on integratedly on the floor bracket 28 by the front portion of bolt 72 with pedal position 51l, the 51r of 42 times end bracket 42a of leg guard and base plate cover 50.

The pedal position 51l of base plate cover 50, the rear portion of 51r is supported on by protuberance 51b on the rearward end of floor bracket 28, by bolt 73 from pass bolt hole 51a, 28b also is screwed on the nut 286 and is able to fastening.

In addition, as shown in figure 12, near the screw hole 42c that is based in installation sheet 51c and the sidewall bottom, the left and right sides that is located at the leg guard 42 anterior left and right sides edge of base plate cover 50 in opposite directions, by screw 74 and by packing ring 75 and fastened.

Because base plate cover 50 is to be installed on the car body in the above described manner,, can only base plate cover 50 be pulled down so still be installed under the state of car body 5 at car body lid 55 and leg guard 42.

In other words, if with the bolt 72,73 of the left and right sides pedal position 51l of base plate cover 50,51r front and rear portions and and car body lid 55 between installation portion on screw 70, the screw 74 on the installation portion between itself and the leg guard 42 pull down, then can pull down base plate cover 50 simply, when base plate cover 50 is removed, because the installation portion B that freeing pipe 35 is installed on the combustion engine 22 has revealed to come out, so can install and remove freeing pipe 35, can safeguard noise silencer 36, freeing pipe 35 etc. simply.

On the contrary, when base plate cover is installed, between leg guard 42 and car body lid 55, on one side with base plate cover 50 mountings on underframe 6 and floor board framing 28, make it to tilt slightly on one side, it is holded up portion 52 be flush-mounted under the lid front portion 56 of car body lid 55, carry out chimeric among the backstop hole 52c of the backstop pawl 56b embedding base plate cover 50 of car body lid 55.

At this moment, by making leg guard 42 deflection forwards, assembling is successfully carried out.

And, if the screw 70 of installation portion and the screw 74 of the installation portion between base plate cover and the leg guard 42 between front and back bolt 72,73 base plate covers of base plate cover 50 left and right sides pedal position 51l, 51r and the car body lid 55 are tightened, then can finish the assembling of base plate cover 50.Connecting portion between itself and car body lid 55, chimeric by between backstop pawl 56b and the backstop hole 52c can positively realize the combination between the two.

Like this, need not pull down large-scale car body lid 55, leg guard 42 etc., can install and remove base plate cover 50 individually,, then can easily carry out the maintenance of noise silencer 36 grades if base plate cover 50 is pulled down.

Owing to do not need to safeguard with lid, side cover, so omitted the mould investment of carrying out for this reason, part number and assembling number in man-hour reduce, and can reach the effect of cost-cutting.

Below, with Fig. 1～3, Fig. 6～Fig. 8, Figure 13～Figure 21 illustrates the embodiment that claim 4～9 of the present invention is related.Just omitted the above-mentioned repeat specification that item has been described.

Form installation fuel tank sleeve 7f in the front side of the top of after-frame 7 7c, at square one-tenth side opening 7g thereafter, rearward end 7e opening, wear pair of right and left hole 7h at its opening lower wall, simultaneously, the carriage 18 of buffer support axle 19 by being welded in rearward end 7e left surface to be to weld towards the orientation of overall width direction, up the right flank weld nugget fire coil of rearward end 7e.Mounting column 20, the cardinal extremity of above-mentioned buffer support axle 19 also is connected with welding manner with the contact part of high-tension coil mounting column 20.

The back subframe 29 of the car body of supporting base 40 belows lid 55 opening of rearward end 7e on the after-frame 7 that forms hollow oblong section forwards embeds dearly and rearward extends, and the shape of this back subframe 29 is with Figure 13,14 explanations.

Back subframe 29, from lateral plan, its front portion is bent to form front side rake 29a slightly downwards, its rear portion forms by the rear side horizontal part 29b (seeing Figure 14) of horizontal supporting, left and right sides ora terminalis and the upright gusset 29c that is provided with the front and back orientation of middle position at its front side rake 29a, its leading section forms partial bores 29d, wears pair of right and left hole 29e between the gusset 29 in the wings.

In addition, rear side horizontal part 29b wears mounting hole 29f in its front, center position, prominent upward the establishing of portion's left and right edges holded up support 29g in the central, on the upper surface of this support 29g, dash forward and establish cylindric boss 29h, on this cylindric boss 29h, form screw hole 29i, hole 29k is set on rearward end 29j, hole 29l is set in the anterior position slightly of this hole 29k.

The front side rake 29a of above-mentioned back subframe 29 embeds the top rearward end 7e of after-frame 7, the side opening 7g of after-frame 7 is aimed at front aperture 29d, as shown in figure 18, the hole of passing this aligning that makes bolt is also with it supporting, simultaneously, make bolt 61 pass the hole 29e and the after-frame 7 back stomidium 7h and fastening with nut 62 at its rear, like this, the front side rake 29a of back subframe 29 promptly is installed on the top rearward end 7e of after-frame 7 integratedly.

Also have, Fuel Tank 37 in its lower section front and back position respectively with about the prominent in couples fuel tank hanger 37a that establishes, 37b, as shown in Figure 1, front side fuel tank hanger 37a is incorporated on the installation Fuel Tank sleeve pipe 7f of after-frame 7 with bolt 108, and combined, like this, Fuel Tank 37 just is installed on the after-frame 7 back lateral bracket 37b integratedly with the bolt 60 that passes above-mentioned back subframe 29 front aperture 29d.

Rear mudguard 65 is installed below the back subframe of installing integratedly with above-mentioned after-frame 7 29.

As shown in figure 18, rear mudguard 65 is slowly crooked at fore-and-aft direction, the tabling piece 65a that is formed at left forward side portion is embedded in the top of buffer support axle 19 from the place ahead, the fitting portion of being located at right forward side portion is embedded in the front end of high-tension coil mounting column 20, rear mudguard 65 anterior supported.

On the other hand, aim at, bolt 47 is worn liquid pass hole and tightened by nut 48 by the hole 29l that makes the hole that is formed on the installation portion 65b that holds back out upward and back subframe 29, the rear portion of rear mudguard 65 is supported in back subframe 29.

Like this, rear mudguard 65 promptly is hung under the subframe 29 of back.The mounting structure of this rear mudguard 65 will be explained below.

The following describes the shape and the mounting structure of car body lid 55.

Car body lid 55 is made with the synthetic resin material, and as Fig. 6～shown in Figure 8, peristome 56d is formed at excision top, the place ahead, can install and remove from the central lid 44 of the place ahead covering liquid peristome 56d and freely be installed on this peristome 56d.

And, as mentioned above, ora terminalis is U word shape under the front portion 56 of car body lid 55, the prominent downwards backstop pawl 56b that establishes in former and later two places of its left-right symmetric position establishes installation sheet 56c in that its front end central portion is prominent, on the other hand, ora terminalis setting cooresponding with it backstop hole and installation sheet etc. (referring to Fig. 4) on the U word shape of the portion of holding up 52 of base plate cover 50, chimeric, fastening by between the said two devices, car body can be covered 55 and base plate cover 50 connect.

The central portion 57 of car body lid 55, its left and right sides sidewall 57a holds up upward, and its roof 57b that roughly is level covers top, the recessed downwards top opening recess 57d that goes out of the latter half of formation of this roof 57b, this top peristome 57d forms hexahedron shape accommodation space, takes in battery 39 from the top.

By front side wall 57f and the roof 57b of this top opening recess 57d, and the lower opening recess 57e (the place ahead is opening also) that the below is opened wide that left and right sides sidewall 57a surrounds is that the border is adjacent to the place ahead of top opening recess 57d and forms one with it with front side wall 57f.

This lower opening recess 57e covers the fuel tank 38 that is equipped on Fuel Tank 37 rears from the top, wearing circular open 57c on its roof 57b so that the oil supply port 38a that is based in above the fuel tank 38 passes therethrough, around this circular open 57c of roof 57b upper surface, the flat cylindrical wall 57h that forms oil cistern is being set.

In addition, another circle opening 57i is set to be used to indicate the table 38c (referring to Figure 19) of fluid level near the left of this flat cylindrical wall 57h.

Also have, about above-mentioned flat partially cylindrical wall 57h, wear joint-cutting 57j, 57k.

Shown in Figure 18,19, fuel tank 38 is rectangular casing, and wall is prominent thereon establishes oil supply port 38a, and is arranged on the projection 38a that its left and right directions assigned position bloats with heavy wall, and 38d installs the above-mentioned horizontal test indicator 38C of fluid in left side projection 38d left side.

Left front at the lower wall of fuel tank 38 is provided with oily supply port 38b.

The structure that the lower wall of fuel tank 38 is supported by the front side rake 29a of the top rearward end 7e of after-frame 7 and back subframe 29 for the central portion of its Width, particularly from the lower wall front, center be divided into downwards two forks and below the two fork stop tab 38f that separate slightly be highlighted formation, on after-frame 7, wear and the cooresponding joint-cutting 7i of this two fork stop tab.

So, in the time of on the front side rake 29a of fuel tank 38 mountings rearward end 7e and back subframe 29 above after-frame 7, embedding among the joint-cutting 7I of after-frames 7 by making two fork stop tab 38f, fuel tank 38 not only had been positioned but also by backstop.

The two fork stop tab 38f that embed joint-cutting 7i are for from ending the shape (referring to Figure 19) on the fin 29c that the side is across side rake 29a central authorities before the secondary after-frame 29 that inserts after-frame 7.

Like this, the lower opening recess 57e of car body lid covers the fuel tank 38 by the front side rake 29a supporting of the top rearward end 7e of after-frame 7 and back subframe 29 from the top, it is outstanding upward that oil supply port 38a passes round opening 57c, its left and right sides projection 38d, 38e are embedded in joint-cutting 57j respectively, 57k, thus fuel tank 38 is fixed in the lower opening recess 57e of car body lid 55.

With this lower opening recess 57e across front side wall 57f and take in the rear battery 39 above the front, center of diapire of opening recess 57d form its part and be recessed installation portion 57l, form mounting hole 57m at the middle position of this installation portion.

This installation portion 57l is by the preceding end bearing of the rear side horizontal part 29b of back subframe 29, and mounting hole 57m aims at the mounting hole 29f of back subframe 29, bolt 63 is passed therethrough and is tightened against on the nut 64 (see Figure 18).

The right side of the roof 57b of opening recess 57d forms roughly rectangular opening 57n above forming, in addition, though in its rear position and roughly the leftward position that roughly is symmetry with this rear position is divided rectangular opening 57p, 57q is set.

The battery 39 that is accommodated in top opening recess 57d covers with battery cover 98 as shown in figure 20, but this battery cover 98 is formed from a resin, and forms corresponding to top opening recess 57d and by four limits of rectangular item plate 98a and top board roughly to extend the flat case shape that the side plate 98b that forms is constituted downwards.

The central portion of the top board 98a of this battery cover 98 is recessed slightly, forms the fuse holder 98c that its part is extended on right side board 98b downwards, the stopper section 98d that distal process is established under this fuse holder 98c in order to backstop wire fuse 59 with it maintenance.

In addition, on left side plate 98b, stop tab 98e, 98f are respectively to the outstanding formation in side.

Above-mentioned battery cover 98 is covered in is contained on the battery 39 of top opening recess 57d, then as shown in figure 20, then the wire fuse 59 that is kept by fuse holder 98c inserts and is located at car body and covers near the opening recess 57d right side, 55 top opening 57n, left and right sides stop tab 98e, 98f inserts rectangular opening 57p, 57q respectively, simultaneously, stop tab 98e, the backstop pawl backstop of 98f is in rectangular opening 57p, and the lateral margin of 57q also is stuck.

Be accommodated on the battery 39 of top opening recess 57d the surface and push by the central indentation of the top board 98a of battery cover 98, fixing.

The rear wall of opening recess 57d forms the rectangular aperture 57r that passes electric wire up.

Form seat lock 111 near the rear side of opening recess 57d and use rectangular aperture 57s above this, the position of the low step about this rectangular aperture 57s forms circular hole 57t, and 57u is provided with mounting hole 58a at its rear.(referring to Fig. 6,7).

As shown in figure 21, the above-mentioned circular hole 57t of chimeric car body lid 55 on the upper end cylinder lug boss 29h that holds up support 29g about the subframe 29 of above-mentioned back, 57u, afterwards, to be nested in above-mentioned lug boss by the packing ring 103 that rubber is made, car body lid 55 is supported on the upper end of holding up support 29g, simultaneously, from circular hole 57t, the end face of the cylinder lug boss 29h that 57u is outstanding is adjacent to supporting plate 102 front end installation portion 102a, the bolt 104 that passes this front end installation portion 102 is tightened against among the screw 29i of cylinder lug boss 29h.

And, as Figure 18 and shown in Figure 31, car body is covered the hole 29k of the mounting hole 58a at 55 rear portions 58 in alignment with the rearward end 29j of back subframe 29, bolt 106 is inserted in the rear portion installation portion 102b of supporting plate 102, yielding rubber 105, the mounting hole 58a of car body lid 55, and the hole 29k of the rearward end 29j of back subframe 29, the head of this bolt 16 is tightened against on the nut 107, thus car body can be covered 55 and supporting plate 102 be installed on above-mentioned back subframe 29 integratedly.

As shown above, make and be positioned at the mounting hole 57m that car body covers 55 front and back positions, 58a and the circular hole 57t that is positioned at its position, left and right sides, 57d is in alignment with the front and back mounting holes 29f of the rear side horizontal part 29b of back subframe 29, the screw 29i of 29k and left and right sides boss portion 29h, by bolt, tightening of nut and make car body lid 55 supporting that is fixed.

In addition, form taillight installation portion 58b and car plate plate installation portion 58c in the rear end of car body lid 55, taillight 80 and car plate plate 81 are installed on its corresponding site respectively.

In addition, the posterior direction indicating device 82 with taillight 80 one also is set, at car plate board mount 81 upper support lateral reflection plates 83 (referring to Fig. 1).

Car body lid 55 is bearing on the back subframe 29 that is connected in after-frame 7 rears as mentioned above, and cover after-frame 7 and secondary after-frame 29 around, simultaneously, lower opening recess 57e covers from the top does not have a case 38 by the front side rake 29a supporting of after-frame 7 top rearward end 7e and back subframe 29, protruding 38d about fuel tank 38,38e is embedded in joint-cutting 57j respectively, 57k and by backstop, thus fuel tank 38 can positively be fixed in the lower opening recess 57e of car body lid 55.

And fuel tank 38 is also chimeric because of the two fork stop tab 38f that are based in its lower wall, and backstop is in the joint-cutting 7I of after-frame 7 and be supported.

So fuel tank 38 does not need fasteners such as special installing component and bolt fully when it is installed, can reduce number of components, and installation exercise is carried out easily.

In the car body lid 55, owing to be to be formed on the top opening recess 57d that battery 39 is taken at its rear across front side wall 57f and above-mentioned lower opening recess 57e, so, need not form battery case with other separate part, thereby do not need to prepare another mould for it, not only can reduce the mould investment but also can reduce number of components, assembling operation is easily gone.

Form contextual structure owing to lower opening recess 57e and top opening recess 57d have a front side wall 57f, thus can simplify the shape of car body lid 55, and can be at the rear of Fuel Tank 37 with the high spatial degree of utilization fuel tank 38 and battery 39 be set.

With Fig. 1～Fig. 3, Fig. 6～Fig. 8, Figure 13～Figure 15 illustrate the mounting structure of rear mudguard below.At this, the content that has above illustrated will be omitted its repeat specification.

As shown in Figure 2, the place ahead corner plate 8 is contacted with the end and stays the front surface of the portion of holding up 76 of the upper surface at 6 horizontal rear portion 66 and after-frame 7, the surface more is positioned at anterior position than the contact part of underframe 6 and after-frame 7 on the described horizontal rear portion 6b, and the described more above-mentioned contact part of front surface of holding up portion 76 more is positioned at the top position.The two edges of above-mentioned corner plate and above-mentioned two surperficial contact parts as shown in figure 24, are combined as a whole by welding.By this front and back corner plate 8, rigidity, the intensity of the joint portion of underframe 6 and after-frame 7 are strengthened.

In addition, as shown in Figure 2, the holding up the 7b of portion than it more to be positioned at the 7c of top rearward slowly crooked of after-frame 7, as shown in figure 25, the back of this curve 7c and two sides contact with the rear corner plate, and the both side edges of this contact part is combined into one with welding manner, by this rear corner plate, the rigidity of the curve 7c of after-frame 7, intensity is strengthened.

And, on the rear end of rear, the bottom extension 7d that extends back from the forward lower part 7a of after-frame 7, be roughly Z-shaped main car pernetti 10 in conjunction with the side integratedly by welding manner, on this main car pernetti 10, prop up 11, between the spring perch 11d that the spring perch 11d and the above-mentioned main car of this main car pernetti 10 props up, open and establish extension coil spring 13 by the pivot 12 hinged certainly main car that can rise and fall.

As shown in figure 24, hang sleeve 14 and pass the left and right sides face of the 7b of the portion of holding up of after-frame 7 and the left and right sides face of the place ahead corner plate 8, weld with the joint portion that hangs sleeve 14 in the left and right sides of the 7b of the portion of holding up of this after-frame 7, hanging sleeve is installed on the after-frame 7 integratedly, as shown in Figure 1, the front end that pair of right and left hangs connecting rod 16 is installed integratedly at the two ends of the suspension pin 15 that is flush-mounted in this suspension sleeve 14.

Among Figure 23 and Figure 28, at length illustrated buffer support axle 19 and high-tension coil mounting column 20 are loaded on the left and right side of rearward end 7e on the after-frame 7 top 7c with welding manner structure.

And, as shown in figure 22, the top rearward end 7e of after-frame 7 is clipped along the horizontal direction of car body fore-and-aft direction, in other words, length direction with respect to rearward end 7e on the bevelled after-frame 7 of oblique back upper place is obliquely clipped, as Figure 22 and shown in Figure 32, insert leading section (front side rake) 29a of subframe 29 behind the aluminum dearly from the open rearward end of the top rearward end 7e of this after-frame 7 towards the place ahead, as described below, the leading section of back subframe 29 and rear Fuel Tank carriage 37b are installed on the top rearward end 7e of after-frame 7 integratedly.

Back subframe 29 forms Figure 13～shown in Figure 17, bolt 60 is inserted the hole 29d that is located at its leading section 29a and breach 29p (as Figure 18 and shown in Figure 14, on both sides of subframe 29, back and central fin 29c, form hole 29d, form breach 29p at its thinner wall section 29r), the side opening 7g of the top rearward end 7e of after-frame 7, be incorporated into the side opening 37d on the both ends sheet 37c of rear Fuel Tank carriage 37b of Fuel Tank 37 below rearward end integratedly, the front end of this bolt 60 is tightened on the nut (not shown), as Fig. 3, Figure 16, shown in Figure 180, bolt 61 is inserted the base plate 7h of after-frame 7 top rearward end 7e, above-below direction hole 29e (the two hole 7h of back subframe 29 leading section 29a, have two groups about 29e), this bolt 61 is tightened against on the nut 62.Like this, the front end 29a of back subframe 29 promptly is installed on the top rearward end 7e of after-frame 7 integratedly.

As Fig. 1 and shown in Figure 25, in the lower front portion of Fuel Tank 37 with welding manner integratedly in conjunction with the place ahead Fuel Tank carriage 37a, as Fig. 2 and shown in Figure 25, upper surface at the top of after-frame 7 7c is installed convex tendon 7f in conjunction with the Fuel Tank that points to the width over sides of car body direction integratedly with welding manner, the side opening 37f of the both sides sheet 37e of the place ahead fuel tank hanger 37a and Fuel Tank are installed convex tendon 7f and are gone up inserting bolt 108, this bolt 108 is tightened against nut 109, and by rear Fuel Tank carriage 37b Fuel Tank is connected in the top rearward end 7e of after-frame 7, thereby Fuel Tank 37 can be installed on the after-frame 7 integratedly in addition.

The following describes the mounting structure (referring to Figure 22) of the rear mudguard of making by synthetic resin 65.

Rear mudguard 65 forms Figure 26～shape shown in Figure 30.On the 65c of of the left forward side of this mudwing 65, form the tabling piece 65a that can be embedded in buffer support axle 19 tops from the place ahead, on the 65d of of the right forward side of rear mudguard 65, form crooked recess 65e downwards, form breach 65f on this recess right side simultaneously, make rear mudguard 65 be close to the lower surface of this after-frame 7 top rearward end 7e from after-frame 7 top rearward end 7e below, as shown in figure 28, the breach 65f of above-mentioned rear mudguard 65 is embedded in after the leading section 20a of high-tension coil mounting column 20, if make the tabling piece 65a of this rear mudguard 65 be embedded in buffer support axle 19, then the front portion of rear mudguard 65 can be installed on the after-frame 7.

In addition, as shown in figure 30, the rear portion central portion of rear mudguard 65 forms crooked upward contact part (installation portion) 65b, simultaneously hole 65g is set at this contact part, as shown in figure 31, make the contact part 65b of rear mudguard 65 be contacted with the lower surface of the rear recess 29r of subframe 29 afterwards, inserting bolt 47 in the hole 65g of this rear recess 29r and contact part 65b, the bolt front end is tightened on the nut 48, thereby rear mudguard 65 rear portions can be incorporated into integratedly on the subframe 29 of back.

Though car body lid 55 installation constitutions of being made by synthetic resin with respect to back subframe 29 illustrate that its detailed construction still is shown among Figure 51～Figure 34.

The following describes the lock construction of vehicle seat 40.Vehicle seat 40 can swing up and down the hinged freely front end in Fuel Tank 37.In the rear end of this vehicle seat 40, as shown in figure 33, downward U word shape gomphosis part 110 is set integratedly, as Figure 31 and shown in Figure 33, the vehicle seat lock 111 that chimeric pawl 111a can freely be embedded in above-mentioned U word shape gomphosis part 110 is installed on the subframe 29 of back.That is, form hole 111c at vehicle seat lock 111 base portion 111b front and back positions, the front and back position formation hole 29s that holds up support 29g inboard at back subframe 29 lefts makes the bolt 112 bottom-up hole 29s that pass, 111c, and its front end is tightened against on the nut 113.As shown in figure 33, form circular port 29q on the left side wall of the 29g of the portion of holding up of left and car body lid 55,57v is so that the key insertion section 111d of vehicle seat lock 111 exposes from the side.

Moreover, as shown in figure 27, attachment point fire coil 114 on high-tension coil mounting column 20, as Figure 27 and shown in Figure 31, bolt 68 passes the hole 115a of hole 29m and regulating control 115 and its front end is tightened on the nut 69, and described hole 29m is positioned at the position of more leaning on the rear than back subframe 29 upper end cylinder boss portion 29h.As Figure 27,31,34 and shown in Figure 35, the hole 29m of subframe 29 more was positioned at the below breach 29n at right rear side after the hole 116b of the installation foot of register 116 was close to, bolt 117 is inserted above-mentioned breach 29n and hole 116b, and its front end is tightened on the nut 118.

Also have, on the side of the rear, bottom of after-frame 7 extension 7d, link up with 119 with the fixing integratedly anti-U letter lock of usurping of welding manner.

In present embodiment 3, as mentioned above, frame 7 constitutes with the big hollow part of cross sectional dimensions after the body frame, so the rear portion energy disperser 26 that passes through that after-frame 7 is positively born from trailing wheel 4 puts on big counter-force on the buffer support axle 19.

In addition, subframe behind the aluminum 29 is inserted in the after-frame 7 of hollow, and (say it is 3 positions exactly) at former and later two positions and fix by bolt 60,61 and 62, thereby can securely back subframe 29 be incorporated into after-frame 7 by bolt 60,61 and 62 former and later two positions (saying it is 3 positions exactly).

Also have, because the back subframe is an aluminium casting, so it is in light weight, and can easily form and be suitable for installing rear mudguard 65, car body lid 55, supporting plate 102, vehicle seat lock 111, the shape of parts such as regulating control 115 and register 116 also can reduce installing component, realize miniaturization and cost-cutting.

Because supporting plate 102 and car body lid 55 is installed on back subframe 29 together, thus can reduce the installing component of car body lid and supporting plate 102 and assemble man-hour, in this respect also can cost-cutting.

Owing to simultaneously the leading section 29a of the rear portion of Fuel Tank 37 and back subframe 29 is installed on the top rearward end 7e of above-mentioned after-frame 7, therefore can reduces number of components and cut down assembling man-hour.

Because back subframe 29 is fabricated from aluminum, and does not need surface treatment, and can improve the exothermicity of electric components such as regulating control 115, register 6.

Claims (9)

1. the lid structure of a small pedal formula motorvehicle, this motor bike has lower base plate at its vehicle fore-and-aft direction central portion, rearward holds up at the body framework at this base plate rear, thereunder can swing hinged freely engine installation, it is characterized in that:

Constitute the base plate cover of above-mentioned base plate, rearward hold up at its rear portion, covers the place ahead, bottom and the side, the left and right sides of the portion of holding up of above-mentioned body framework, and its rear upper end is connected in the whole front lower ends that covers above-mentioned base plate rear body framework car body lid on every side, and

The connecting portion of above-mentioned base plate cover and car body lid is in the freeing pipe installation portion of the more above-mentioned engine installation position of top more.

2. the lid structure of small pedal motor according to claim 1 is characterized in that: the connecting portion of above-mentioned base plate cover and above-mentioned car body lid is that the installation portion with above-mentioned base plate cover is overlapped in side and fastening forming outside the installation portion of above-mentioned car body lid.

3. the lid structure of small pedal motor as claimed in claim 2 is characterized in that: one of connecting portion of above-mentioned base plate cover and above-mentioned car body lid side has the backstop pawl, and the opposing party has the backstop hole, and the two is chimeric and be combined into connecting portion.

4. the lid structure of small pedal motor as claimed in claim 1 is characterized in that:

But above-mentioned body framework supports Fuel Tank and fuel tank by the vehicle seat covering of freely openable,

Above-mentioned car body lid is across fore-and-aft direction, cover integratedly above-mentioned body framework around, the top opening recess that forms the lower opening recess that covers above-mentioned fuel tank from the top simultaneously and take in holding electrical spare,

On the roof of above-mentioned lower opening recess, wear opening so that make the oil supply port of above-mentioned fuel tank outstanding upward.

5. the lid structure of small pedal motor as claimed in claim 4, it is characterized in that: above-mentioned lower opening recess and above-mentioned top opening recess are located at the rear of above-mentioned Fuel Tank.

6. as the lid structure of claim 4 or 5 described small pedal motors, it is characterized in that: above-mentioned lower opening recess and above-mentioned top opening recess have front side wall and adjoin landform and be integral.

7. the lid structure of small pedal motor as claimed in claim 6, it is characterized in that: above-mentioned lower opening recess and above-mentioned top opening recess are provided in fore-and-aft direction.

8. the lid structure of small pedal motor as claimed in claim 4 is characterized in that: be formed at projection on the above-mentioned fuel tank upper wall and be embedded in the joint-cutting on the roof desired location that is formed on above-mentioned car body lid lower opening recess and by backstop.

9. the lid structure of small pedal motor as claimed in claim 4, it is characterized in that: the projection that is formed on the above-mentioned fuel tank lower wall is embedded in the joint-cutting that is formed on the above-mentioned body framework desired location and by backstop.

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