JP4353469B2 - Main step structure of the vehicle - Google Patents

Description

  The present invention relates to a main step of a vehicle provided with footrest surfaces on both sides of the vehicle near the rear part of a front wheel.

Conventionally, the main step of the vehicle has various positions where the main step is arranged, for example, when the vehicle is arranged on the side near the front wheel or the rear wheel of the vehicle or in the middle thereof.
Among these, in the main step of the type arranged on the side close to the front wheel of the vehicle, a main step mounting structure is known in consideration of assemblability to the vehicle body frame (see, for example, Patent Document 1).
JP-A-11-227659 (FIG. 4)

Patent document 1 is demonstrated based on the following figure.
FIG. 15 is a diagram for explaining a basic configuration of a conventional technique. The main step bracket 344 includes a vehicle width direction extending portion 344a and a vehicle body rearward extending portion 344b. Then, the central portion of the bracket 344 is attached to the down tube 313 via the first fixing member 319, and the vehicle width direction extending portion 344a extending to the left and right, and the vehicle body in the rear direction from the end of the vehicle width direction extending portion 344a. The rearward extending portion 344 b is extended, and the vehicle body rearward extending portion 344 b is attached to the main pipe 312 via the second fixing member 316.

  Further, the main step 303 is attached to the vehicle width direction extending portion 344a of the main step bracket 344 via the left and right step connecting members 351 and 352.

  The position where the main step 303 is disposed is the front lower side of the engine, and a vehicle having a short vertical distance between the driver's seat and the main step, such as a scooter type vehicle, In the case of a vehicle with a long distance, since the inclination of the back surface of the foot placed on the main step 303 tends to rise upward, consideration is required when the user steps on the main step 303.

  While the inclination of the back of the foot placed in the main step 303 tends to rise forward, it is necessary to consider the case where the foot is stepped on the main step 303, and the main step can ensure a more comfortable driving posture. The arrangement and structure of 303 are more preferable.

  It is an object of the present invention to provide a main step structure of a vehicle that can ensure a more comfortable and comfortable driving posture in a vehicle having footrest surfaces on both sides of the vehicle near the rear portion of the front wheel.

According to a first aspect of the present invention, there is provided a down tube having a lower pipe extending rearward and rearward from a head pipe, a driver seat on which a driver is seated, a vehicle front side and a rear portion of a front wheel with respect to the driver seat. In a scooter type vehicle in which left and right main steps having footrest surfaces in the vicinity are attached to the down tube, the down tube is exposed, and the left and right main steps are brackets and step support stays that connect these brackets to the down tube. And a resin cover attached to the upper surface of the bracket, and the left and right main steps are provided with a stepped portion projecting upward at the front end thereof , and the left and right main steps are front portions of the footrest surface. However, it is an inclined step that is raised from the rear, and the driver's seat is slidable in the vehicle longitudinal direction. Behind the bets, characterized in that it comprises a seat back that is capable of adjusting the angle.

The invention according to claim 2 is characterized in that the seat back is also used as a passenger seat .

The invention according to claim 3 is characterized in that the resin cover is detachably attached via a fastening bolt .

  In the invention according to claim 4, the main step has a trapezoidal shape in which the left and right sides are symmetrical with respect to the center line of the step, and the footrest surface is wide at the front and narrow at the rear. It is characterized by.

In the invention according to claim 5 , the footrest surface of the main step is at least a half of the height from the lower end of the head pipe to the center of the front wheel where the extension line of the footrest surface becomes the steering axis. It was made to incline like this.

  In the invention according to claim 1, the main step includes a stepped portion projecting upward at the front end portion thereof. For example, by placing a part of a foot such as a toe on the projecting portion, There is an advantage that an easy driving posture can be taken by changing the driving posture during traveling.

In addition , the main step is an inclined step in which the front part of the footrest surface is higher than the rear part, so that there is an advantage that a more comfortable driving posture can be taken.

Furthermore , since the driver's seat is slidable in the vehicle front-rear direction, there is an advantage that the optimum seat position can be selected in accordance with the driver's physique and the like.
In the invention according to claim 2, the seat back is also used as a passenger seat. By raising the seat back, the driver's seat becomes a seat with a backrest. In addition, the angle of the seat back can be changed.
In the invention according to claim 3, the resin cover is detachably attached via the fastening bolt. Since the bracket is covered with a resin cover from above, the aesthetics of the main step and its peripheral part can be improved.

  In the invention according to claim 4, since the main step has a symmetrical shape with respect to the center line of the step, and the footrest surface has a trapezoidal shape with a wide front part and a narrow rear part. There are advantages that an extra footrest surface can be omitted and the left and right steps can be made common.

In the invention according to claim 5 , the footrest surface of the main step has an extension line of the footrest surface at a position approximately equal to or more than a half of the height from the lower end portion of the head pipe serving as the steering axis to the center of the front wheel. Thus, the vehicle has an advantage that the driver can take a comfortable posture, particularly in a vehicle having a small-diameter front wheel.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a side view of a scooter-type vehicle according to the present invention. The scooter-type vehicle 10 is a front fork in which a steering handle 13 is slidably attached to a head pipe 12 at a front portion of a vehicle body frame 11 and connected to an operation handle 13. The basic structure is that the front wheel 15 and the front fender 16 are attached to 14.

  Then, a separate frame 18 is attached to the body frame 11, a headlamp 19, a direction indicator lamp 21, etc. are attached to the separate frame 18, a main step 22 is attached to the down tube 17, and a rear portion of the body frame 11 is attached. A power unit 23 is mounted so that it can swing up and down, a rear wheel 24 is mounted on the rear part of the power unit 23, a driver seat 25 is obliquely upward toward the front of the rear wheel 24, and a passenger seat / seat back 26 is disposed above the rear wheel 24. It is a light vehicle that can be used by two passengers.

  In the figure, 27 is a handle post cover, 27a is a handle post cover shelf, 28 is a side cover, 29 is a rear cushion, 30 is a tandem step, 31 is a stand, and 32 is a grab rail.

  FIG. 2 is a side view of the scooter type vehicle according to the present invention changed to the single-seat specification, and the basic configuration is the same as FIG. 26 is raised to indicate that the driver M has been changed into a backrest, that is, a seat back. In addition, it indicates that a luggage 33 such as a tent is loaded on the front portion of the separate frame 18.

  Furthermore, not only the steering handle 13 and the grab rail 32 but also the separate frame 18, the down tube 17, the lower pipe 34 and the rear frame 35 extending from the down tube 17 are exposed.

  In conventional scooter type vehicles, it is common to cover the body frame with a body cover so that most of the body frame is not exposed. On the other hand, in the present invention, most of the body frame is exposed to exhibit unprecedented external features.

  The vehicle of the present invention is a vehicle that does not include a leg shield, and includes footrest surfaces 38 on both sides of the vehicle near the rear portion of the front wheel 15, and the driver's feet placed on these footrest surfaces 38 have a knee of 90 The main step 22 was arranged so as to have an obtuse angle exceeding °. And the main step 22 was provided with the level | step-difference part 75 which becomes convex at the front-end part 74 upwards.

FIG. 3 is a perspective view of the main step employed in the present invention. The right main step 22R (R is a subscript indicating the right. The same applies hereinafter) on which the driver puts his right foot is a bracket 36 (see FIG. 4). And a step support stay 37 for connecting the bracket 36 to the down tube, and a resin cover 39 attached to the upper surface of the bracket 36.
The left main step 22L on which the left foot is placed (L is a subscript indicating the left. The same applies hereinafter) is the same structure as the right main step 22R, and the reference numerals are used and the description is omitted.

  The main step 22 has a symmetrical shape with respect to the center line of the step, and the footrest surface 38 has a trapezoidal shape with a wide front portion and a narrow rear portion. The left and right steps can be made common.

  4 is a cross-sectional view taken along line 4-4 of FIG. 3. The bracket 36 is provided with holes 41 for fastening the resin cover 39 (... indicates a plurality, the same applies hereinafter). It shows that it can be detachably attached to the bracket 36 via the fastening bolts 42a... And the fastening nuts 42b.

  The main step 22 is configured by covering the bracket 36 extending from the vehicle body frame 11 through the step support stay 37 with a resin cover 39 from above, so that the aesthetics of the main step 22 and its peripheral portion are improved. Can do.

  Conventionally, in a flat plate type step, there is an object formed by aluminum die casting or the like. Die casting is often preferred for its appearance, but it is also expected to reduce costs in medium-sized and smaller vehicles.

For this reason, although the step which assembled the steel plate by welding is also employ | adopted, there exists a place which does not reach the step made from aluminum die-casting at the point of a weight, an external appearance property, etc.
In this regard, the main step 22 (22L, 22R) according to the present invention can reduce the thickness and weight of the bracket 36. As a result, while maintaining the appearance of the main steps 22L and 22R, the weight can be reduced and the cost can be reduced as compared with the die casting step.

  In addition, since the main step 22 according to the present invention can be manufactured by cutting, bending, drawing, and performing plastic working and welding, it eliminates the need for a mold or a die casting machine, and makes it more than a die casting step. Costs can be reduced.

  FIG. 5 is a plan view of the main step employed in the present invention. A step support stay 37 is attached to the lower pipe 34 of the vehicle body via a mounting bolt 37a, and a bracket 36 is attached to the tip of the step support stay 37. The resin cover 39 is covered with the resin cover 39 and the holes 41 for fastening the resin cover 39 (... indicates a plurality, the same applies hereinafter) are aligned with the positions of the holes 41 for fastening. It shows that it attached through the fastening bolt 42a ... and the fastening nut 42b ... (refer FIG. 3).

FIG. 6 is an exploded view of the body frame of the scooter type vehicle according to the present invention. The body frame 11 extends from the head pipe 12 and has a main frame 43 having a V shape or a U shape in side view, and the main frame 43. A rear frame 35 constituting the rear portion or extending rearward, a down tube 17 hanging from the head pipe 12, a lower pipe 34 extending substantially horizontally following the down tube 17, and rising from a rear end of the lower pipe 34 The center frame 44 includes a stay 45 that connects the center frame 44 and the rear frame 35.
A simple-shaped frame separated upward in the figure is a separate frame 18.

  The separate frame 18 includes a load receiving pipe 47 on the front upper surface, a lamp support bracket 48 and a loading hook 49 on the lower front surface, cover cover plates 51 and 51 on the lower surface, and a hole 52 on the front upper surface. A bracket 53 having 52 is provided, and a U-shaped bracket 54 is provided on the rear lower surface.

On the other hand, a front plate 57 having holes 56, 56 is provided on the front surface of the head pipe 12, and a rear plate 59 having holes 58 is provided on the front upper surface of the rear frame 35.
The rear plate 59 is disposed in the vicinity of the connecting portion 55 between the main frame 43 and the rear frame 35. The connecting portion 55 is a set portion of one main frame 43 and two rear frames 35, and has high rigidity. Providing the rear plate 59 in the vicinity (backward in the embodiment) of such a high-rigidity connecting portion 55 is advantageous in terms of strength in supporting the separate bracket 18.

  The separate frame 18 can be integrated with the head pipe 12 and the main frame 43 by bolting the bracket 53 to the front plate 57 and bolting the U-shaped bracket 54 to the rear plate 59.

  FIG. 7 is a side view of the vehicle body frame of the scooter type vehicle according to the present invention, in which a separate frame 18 is attached to the head pipe 12 and the rear frame 35, and a center cover portion 64 integrally including a handle post cover 27 is covered. The side cover 28 is attached with bolts 65... Between the separate frame 18 and the lower pipe 34, and the main step 22L is attached to the lower pipe 34.

As shown in the figure, the front surface of the handle post cover 27 is a flat surface, and a structure that can sufficiently secure the front loading space is adopted.
Further, a shelf part 27 a that is lowered by one step is formed at the rear and upper part of the handle post cover 27, and the combination lock device 70 is attached to the shelf part 27.

  FIG. 8 is a perspective view showing a driver's seat (a state in which the passenger seat is raised) according to the present invention. By raising the passenger seat / seat back 26, the driver seat 25 becomes a seat with a backrest. . By operating the lock lever 86 attached to the connecting link 85, the angle of the passenger seat and seat back 26 can be changed.

Further, it is shown that the luggage placing portion 87 and the grab rail 32 are attached to the rear frame 35.
The load carrying portion 87 is formed of a resin or light metal uneven plate. If it is a concavo-convex plate, the section modulus can be remarkably increased as compared with a flat plate, and more luggage can be loaded.

FIG. 9 is a view taken in the direction of arrow 9 in FIG. 8 and shows the back (bottom) structure of the passenger seat / seat back 26 and the helmet holder 103 attached to the back of the passenger seat / seat back 26.
The passenger seat / seat back 26 further surrounds a seat bottom plate (reference numeral 98 in FIG. 11 to be described later) surrounding the cushion material with a back plate 101, and a plurality of T-shaped hooks 102 on the upper left and right sides and the lower left and right sides of the back plate 101. Is provided. In addition, 100 is a roller. The roller 100 is supported by an elastic member 100a that forms a roller bearing portion when an occupant gets on the passenger seat 26.

  Since the back plate 101 is an external member when no luggage is placed on the rear part of the vehicle body, the back plate 101 is formed of a clean plate material. Moreover, since a bending force is applied by the T-shaped hook 102, it is necessary to increase the rigidity. Therefore, the back plate 101 is an uneven plate to increase the section modulus. The back plate 101 is suitably a steel plate, a resin plate, or the like, and is an appearance member, and therefore is subjected to a surface treatment such as painting, plating, or coloring.

  In addition, the helmet holder 103 is attached to the back plate 101 that covers the lower surface or the rear surface 141 of the seat back 26, and the helmet holder 103 can be exposed by raising the seat back 26.

  FIG. 10 is an explanatory view of the seat slide mechanism employed in the present invention. The driver seat 25 of the present invention can change the front and rear positions according to the driver's preference, and in order to realize that, the seat slide A mechanism 110 is provided in the rear part 120 of the vehicle body.

  The seat slide mechanism 110 includes left and right seat rails 111L and 111R, left and right sliders 112L and 112R slidably attached to the seat rails 111L and 111R, and a slide lock sawtooth provided on the right slider 112R. A member 113, an operation lever 114 that rotates the sawtooth member 113 to switch between a locked state and an unlocked state, front and rear cross members 115 and 116 that connect the left and right sliders 112L and 112R, and a rear portion of the right slider 112R And a link 117 extending from the rear part of the left slider 112L.

The left and right sliders 112L and 112R can be freely moved back and forth.
Then, the driver's seat 25 is fixed to the left and right sliders 112 </ b> L and 112 </ b> R, and the passenger seat / seat back 26 is fixed to the connecting link 85 and the link 117. As a result, the driver releases the slide lock by operating the operation lever 114, moves the driver seat 25 and the passenger seat / seat back 26 to arbitrary front and rear positions, and returns the operation lever 114 to return to the position. The driver seat 25 and the passenger seat / seat back 26 can be fixed to each other.

  Furthermore, the driver or passenger can operate the lock lever 86 to bring the passenger seat / seat back 26 into a horizontal state as shown in the figure.

  FIG. 11 is a front view of a cross-sectional view taken along line 11-11 in FIG. 10 (grab rails are omitted). The cross-sectional structure of the passenger seat / seat back 26 will be described first. It is a structure based on the cushion material 118, the skin 119, and the seat bottom plate 98, and is a structure in which the reinforcing bone 121 is attached to the seat bottom plate 98 and the legs 122 and 122 are extended from the seat bottom plate 98.

In addition, a first engagement portion 128 including a groove 126 and an engagement pin 127 is provided in the center portion of the load carrying portion 87. A second engagement portion 132 including a hook 129, a hook pin 131, and a support member 133 is provided to the first engagement portion 128 from the recess 125 on the lower surface on the passenger seat 26 side. And it shows that the 1st engaging part 128 and the 2nd engaging part 132 were engaged.
Reference numeral 129a denotes a hook lever. When the driver rotates the hand upward, the hook 129 and the pin 127 are detached, and the passenger seat can be used as a seat back.

The reinforcing bone 121 is connected to the link (connecting portion) 117 in FIG.
Further, in order to give the sheet thickness feeling to the sheet bottom plate 98, the edge portions 124 and 124 bulge downward, and a recess 125 is formed in the central portion. The recess 125 and the reinforcing bone 121 are collectively covered with the back plate 101 to improve the appearance when the passenger seat and seat back 26 is erected.

  The legs 122, 122 are projected at positions matching the left and right inner rails 88, 88. Then, the passenger's weight can be directly supported by the inner rails 88 and 88 via the legs 122 and 122 and the leg portions 89 and 89 of the load carrying portion 87. Only the compression force acts on the leg portions 89 and 89 of the load carrying portion 87, and no bending force acts on the load carrying portion 87.

  In addition, the T-shaped hooks 102 and 102 are set to a height at which a gap g can be secured from the load carrying portion 87. The gap g is 4 to 5 mm.

Generally, in a small vehicle, a tiltable hook or a hook that can be put in and out may be used for the loading platform. This is because it can be stored when not in use, so it looks good and can be pulled out when in use, so that the hook can be made large and the hang of the string can be made.
However, if the passenger seat / seat back 26 is tilted with the tiltable hooks or the hooks that can be inserted / removed left in an extended state, the load carrying portion 87 may be damaged and the hooks may be damaged.

  In this regard, the present invention employs a fixed hook. If it is a fixed hook, there is no need to worry about forgetting to finish, and there is no worry about damage to related parts. However, since the installation space is limited, it is not possible to increase the size of the fixed hook. Therefore, the T-shaped hook 102 was adopted. In the case of a T-shape, the left and right claws can be secured to the T horizontal bar with the T vertical bar as the center, and the string can be sufficiently hung on the vertical bar and the left and right two claws. That is, the T-hook is smaller than the L-shaped hook, but the hang of the string can be earned.

  FIG. 12 is a perspective view showing the first engagement portion and the second engagement portion according to the present invention. The driver seat 25 is provided on the vehicle body so as to be slidable in the front-rear direction and is placed on the vehicle body rear portion 120. A vehicle body rear structure in which a seat 26 is provided, the front passenger seat 26 can be slid back and forth in conjunction with the driver seat 25, and can be tilted around the front end of the passenger seat 26 as a rotation center. The vehicle body rear portion 120 includes a first engagement portion 128 that extends in the front-rear direction of the vehicle body, and a second engagement portion 132 that engages with the first engagement portion 128 is provided on the lower surface 141 of the passenger seat. It is characterized by.

  Since the first engagement portion 128 is disposed along the vehicle body center line, the passenger seat 26 can be fixed with a good balance between the left and right sides.

FIG. 13 is a perspective view showing a driver's seat according to the present invention (a state in which the passenger seat is tilted down; the club rail is omitted), and the first engaging portion 128 is disposed at the rear portion 142 of the vehicle body rear portion 120.
Since the first engagement portion 128 is disposed at the rear portion 142 of the vehicle body rear portion 120, it is easy to visually confirm whether or not the first engagement portion 128 and the second engagement portion 132 are engaged.
Further, since the vehicle body rear portion 120 is used as the luggage loading portion 87, if the front end of the passenger seat 26 is rotated and tilted, the luggage loading portion 87 of the vehicle body rear portion 120 supports the rear surface 141 of the passenger seat. The load of 26 passengers can be received firmly.

As described above, the rear structure of the vehicle body is provided with the front passenger seat 26 that can slide back and forth in conjunction with the driver seat 25 and is engaged with the first engagement portion 128 provided on the rear portion 120 of the vehicle body. The engaging portion 132 is provided on the lower surface 141 of the passenger seat 26.
The passenger seat 26 is tilted by the first engaging portion 128 extending in the front and rear direction of the vehicle body rear portion 120 and the front and rear slidable passenger seat 26, and the passenger seat 26 is moved to the first engaging portion 128 of the luggage loading portion 87. The driver seat 25 and the passenger seat 26 can be slid back and forth while the second engagement portion 132 is engaged.

  When the driver seat 25 and the passenger seat 26 are slid, it is not necessary to raise and lower the passenger seat 26 one by one. Therefore, the front and rear slide operations of the driver seat 25 and the passenger seat 26 can be performed very simply.

FIG. 14 is an operation diagram when the driver's seat is at the rear end of the slide.
When the passenger seat 26 that has been tilted is raised and used as a seat back, even the driver MA having a large physique compared to the driver shown in FIG. 2 can slide the driver seat 25 to the rear end of the slide. Indicates that you can drive more comfortably.
Since the driver seat 25 is slidable in the vehicle front-rear direction, it is possible to select an optimal seat position that matches the physique of the driver.

  In FIG. 14, unlike FIG. 2, the sole of the driver MA is on the footrest surface 38 of the main step 22 and is not hung on the stepped portion 75 provided on the front end portion 74 and protruding upward. Depending on the preference of the MA, the position of the sole can be moved as appropriate to place the toe on the stepped portion 75.

The operation of the main step structure of the present invention will be described.
Returning to FIG. 2, the main step 22 is provided with a stepped portion 75 that protrudes upward at the front end portion 74, and by placing a part of a foot such as a toe on the protruding portion 75, for example, An easy driving posture can be achieved by changing the driving posture during long-time driving.

  Further, since the main step 22 is an inclined step in which the front portion of the footrest surface 38 is higher than the rear portion, a more comfortable driving posture can be taken.

  Furthermore, the footrest surface 38 of the main step 22 is positioned at approximately half of the height H from the lower end 202 of the head pipe 12 to the center 203 of the front wheel, where the extension line 201 of the footrest surface 38 serves as the steering axis. Since the vehicle is inclined as described above, the driver can take a comfortable posture, particularly in a vehicle having a small-diameter front wheel. Needless to say, a higher height may be used.

  By combining the installation position and installation angle of the footrest surface 38, the stepped portion 75 at the tip of the footrest surface 35, and the driver seat 25 that can be slid back and forth, the driver can freely change the driving posture. It can be changed, and it becomes possible to enjoy more comfortable and easy driving.

  In addition, although the main step structure of the vehicle of the present invention is applied to a two-wheeled vehicle in the embodiment, it can be applied to a three-wheeled vehicle and can be applied to a general vehicle.

  The vehicle main step structure of the present invention is suitable for a two-wheeled vehicle.

It is a side view of the scooter type vehicle concerning the present invention. It is a side view of the scooter type vehicle concerning the present invention changed into single-seat specifications. It is a perspective view of the main step employ | adopted by this invention. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. It is a top view of the main step employ | adopted by this invention. It is an exploded view of the body frame of the scooter type vehicle concerning the present invention. It is a side view of the body frame of the scooter type vehicle concerning the present invention. It is a perspective view which shows the driver | operator seat (form which raised the passenger seat) which concerns on this invention. FIG. 9 is a view taken in the direction of arrow 9 in FIG. 8. It is explanatory drawing of the seat slide mechanism employ | adopted by this invention. FIG. 11 is a cross-sectional view taken along a line 11-11 in FIG. 10 (a club rail is omitted). It is a perspective view which shows the 1st engaging part and 2nd engaging part which concern on this invention. It is a perspective view which shows the driver | operator seat (The figure which fell the front passenger seat. A club rail is abbreviate | omitted) which concerns on this invention. It is an effect | action figure when a driver | operator seat exists in a slide rear end part. It is a figure explaining the basic composition of the prior art.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Body frame, 22 ... Main step, 34 ... Lower pipe, 36 ... Bracket, 37 ... Step support stay, 38 ... Foot rest surface, 39 ... Resin cover, 42a ... Fastening bolt, 42b ... Fastening nut, 74 ... Main Step front end portion, 75 ... main step step portion.

Claims (5)

From the down tube (17) having a lower pipe (34) extending rearward and downward from the head pipe (12), a driver seat (25) on which the driver is seated, and the driver seat (25) In the scooter type vehicle in which left and right main steps (22) provided with footrest surfaces (38) in front of the vehicle and in the vicinity of the rear part of the front wheel (15) are attached to the down tube (17)
Exposing the downtube (17);
The left and right main steps (22) are attached to a bracket (36), a step support stay (37) for connecting the bracket (36) to the down tube (17), and an upper surface of the bracket (36). A resin cover (39),
The left and right main steps (22) are provided with a stepped portion (75) projecting upward at the front end thereof,
The left and right main steps (22) are inclined steps in which the front portion of the footrest surface (38) is raised above the rear portion,
The driver seat (25) is slidable in the vehicle longitudinal direction,
A main step structure of a scooter type vehicle, comprising a seat back (26) capable of adjusting an angle behind the driver seat (25) . The main step structure of the scooter type vehicle according to claim 1 , wherein the seat back (26) is also used as a passenger seat . The main step structure of the scooter type vehicle according to claim 1 or 2, wherein the resin cover (39) is detachably attached via a fastening bolt (42a) . The main step (22) has a shape that is symmetrical with respect to the center line of the step, and the footrest surface (38) has a trapezoidal shape with a wide front part and a narrow rear part. The main step structure of a scooter type vehicle according to claim 1 , wherein the main step structure is a scooter type vehicle. The footrest surface of the main steps (38) is approximately half from the lower end of the center to the height of the front wheel (15) of the head pipe extension of the foot rest surface (38) is the axis of the steering (12) The main step structure of the scooter type vehicle according to any one of claims 1 to 4, wherein the main step structure is inclined so as to be equal to or greater than the position.

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