JP3371449B2 - Frame cover structure of scooter type vehicle - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame cover structure for a scooter type vehicle. 2. Description of the Related Art A general scooter type vehicle is provided with a body frame made of steel pipe, steel plate or the like, and the body frame is entirely covered with a frame cover made of synthetic resin. The frame cover is a split type including a plurality of parts, each of which is fixed to the body frame by screws or the like. [0003] In many scooter-type vehicles, the space between the handlebar and the seat is deeply indented downward, and a step board on which a rider's feet are placed is provided in this portion. And on the front of this step board,
A leg cover that rises upward is attached, and this leg cover covers the front head of the body frame from behind, and a front cover that covers the front head of the body frame from the front is attached to the leg cover. I have. The above-described step board, leg cover, and front cover are components of the frame cover. However, in the conventional frame cover structure, when the leg cover and the step board, which are large components, are fixed to the body frame, the leg cover is accurately positioned. At the same time, it was difficult to align the leg cover and the step board, and often a difference (step) was required to be re-attached, resulting in a very poor assembly workability. SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and facilitates the positioning of the leg cover and the body frame and the positioning of the leg cover and the step board. It is an object of the present invention to provide a frame cover structure for a scooter-type vehicle that can improve the situation. In order to achieve the above object, a frame cover structure for a scooter-type vehicle according to the present invention has a low floor with a deep gap between a handlebar and a seat. In the frame cover structure of a scooter type vehicle in which a leg cover rising from the front of the step board covers the front head of the body frame from behind, the leg cover is provided on a frame pipe. Positioning means A for determining the vertical position of the leg cover by engaging the convex curved surface of the positioning pedestal with the concave curved surface of the positioning piece formed at the center of the lower edge of the leg cover, and fixed to the frame pipe of the body frame. By inserting the positioning projections protruding from the lower ends of the leg cover into the positioning holes at both ends of the support arm Positioning the vehicle body frame using the positioning means B for determining the front-rear position and the left-right position of the step board, fixing the upper portion of the leg cover to the vehicle body frame by the upper fixing means C, and fixing the step board fixed to the vehicle body frame. The front edge was cut into a U-shape along the lower shape of the leg cover, and the step board front edge and the lower portion of the leg cover were fitted by fitting means D comprising a plurality of fitting holes and fitting claws. Further, the vicinity of the fitting portion is connected and fixed by a pair of left and right lower fixing means E, and the lower fixing means E is arranged near the positioning means B and the fitting means D. In this case, the leg cover can be easily positioned on the body frame by the positioning means A and B, and the upper part of the leg cover can be quickly moved to the body frame by the upper fixing means C. Can be fixed. Further, the positioning between the leg cover and the step board can be easily performed by the fitting means D, and the lower fixing means E is provided with the positioning means B and the fitting means D.
, The lower fixing means E
As a result, the leg cover and the step board can be quickly fixed, thereby greatly improving the workability of assembling the frame cover. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a left side view of a scooter type vehicle to which the present invention is applied. The scooter type vehicle 1 has a rear wheel 4 by a power unit 3 suspended on a body frame 2.
Has a general vehicle body configuration for driving the vehicle. For example, as shown in FIG. 2, the body frame 2 has a structure in which a steel pipe frame pipe 5 and a steel plate frame body 6 are joined at the center. A head pipe 7 is fixed to the end of the frame pipe 5 and a front fork 9 for supporting a front wheel 8 is pivotally mounted on the head pipe 7 together with a handle bar 10 so as to be rotatable left and right. An article storage room 12 capable of storing a helmet or the like is formed inside the frame body 6, and a seat 13 serving as a lid of the article storage room 12 is provided with a hinge 14 above the frame body 6.
It is installed so that it can be opened and closed around a fulcrum. The body frame 2 is entirely covered with a frame cover 15 made of synthetic resin. The frame cover 15 is of an assembling type including a plurality of parts as shown in FIG. The space between the handlebar 10 and the seat 13 is deeply indented downward, and a low-floor type step board 16 is provided in this portion so that a rider can put his / her foot on it. I have. This step board 16 is a part of the frame cover 15 and is shown in FIG.
As shown in FIG. 3, for example, four bolts 18 are attached to a pair of left and right step beams 17, 17 fixed to the body frame 2.
It is fastened with. The front half of the frame cover 15 includes the step board 16, a leg cover 20 that rises from the front of the step board 16 and covers the front head of the body frame 2 from behind, and the front head of the body frame 2. The front cover 21 is attached to the leg cover 20 so as to cover it from the front, and the front lower cover 22 is mounted below the leg cover 20 and the front cover 21. A storage rack 23 is attached to the back of the leg cover 20. On the other hand, the latter half of the frame cover 15
It comprises a pair of left and right rear upper covers 24 and a pair of left and right rear lower covers 25. The rear lower cover 25 extends forward along the side edge of the step board 16 and is connected to the front lower cover 22. The leg cover 20 is a first cover shown in FIG.
Positioning means A (indicated by (A)) and a pair of left and right second positioning means B also shown in FIG. 3 (indicated by (B) in FIG. 2)
Thus, positioning is performed in advance on the vehicle body frame 2. The first positioning means A comprises, for example, a positioning pedestal 26 provided on the frame pipe 5 and a positioning piece 27 formed at the center of the lower edge of the leg cover 20. The curved surface and the concave curved surface of the positioning piece 27 engage to determine the vertical position of the leg cover 20. The positioning pedestal 26 is integrally provided at the center of a step bracket 28 laid on the frame pipe 5 to support the step beams 17. The second positioning means B has positioning holes 31, 31 formed at both ends of a support arm 30 fixed to the frame pipe 5, and a lower portion of the leg cover 20 as shown in FIG. And a pair of left and right positioning projections 32 projecting forward.
The front and rear positions and the left and right positions of the leg cover 20 are determined by fitting the leg cover 20 from behind. The upper part of the leg cover 20 is fixed to the vehicle body frame 2 by upper fixing means C. As shown in FIG. 4, the upper fixing means C includes, for example, a fastening bracket 33 fixed to the rear surface of the head pipe 7, a fastening pedestal 34 provided above the leg cover 20, and the fastening bracket 33. And the first positioning means A and the second positioning means B described above.
The upper fastening base difference 34 of the leg cover 20 positioned on the vehicle body frame 2 is fitted into the fastening bracket 33, and the nut 35 is fastened.
0 is fixed to the body frame 2. On the other hand, the lower part of the leg cover 20 is fixed to the front part of the step board 16 by using the fitting means D and the lower fixing means E together (the fitting means D and the lower fixing means E are as shown in FIG. FIGS. 3, 5 and 6 show (D),
(E). ). As shown in FIGS. 2 and 5, the leg cover 2
A flange 36 is formed on the lower edge of the step board 16 in a stepped manner. The flange 36 is superimposed on the lower surface of the front part of the step board 16 cut into a U-shape. As shown in FIGS. 5 and 6, the fitting means D is formed, for example, on a base 6 of the flange 36.
It consists of two fitting holes 37 to 42 and six fitting claws 43 to 48 formed in the front part of the step board 16 so as to fit in these fitting holes 37 to 42, respectively. In addition,
The fitting claws 43 and 48 located at both ends are formed in a fork-shaped key shape, and the fitting claws 45 located at the center are formed.
And 46 have a key shape facing outward so that when they are fitted into fitting holes 37, 42 and 39, 40, respectively, they do not easily come off. As shown in FIGS. 2, 3, 5, and 6, the lower fixing means E is, for example, a pair of left and right fixing recesses 50, 5 integrally formed on the flange 36 of the leg cover 20.
0, and are integrally formed on the lower surface of the front part of the step board 16,
A pair of left and right fixed projections 51, 51 respectively corresponding to the fixed recesses 50, 50, a clip-shaped nut 52 mounted on the fixed projections 51, 51, and fixed recesses 50, 50;
Are fixed to the fixed projections 51, 51, respectively. The lower fixing means E is arranged near the positioning means B and the fitting means D. The step board 1 is inserted into the fitting holes 37 to 42 of the leg cover 20 previously fixed to the body frame 2.
The fitting means D is fitted by fitting the fitting claws 43 to 48 of No. 6 together with the fixing protrusions 51 of the step board 16 into the fixing recesses 50, 50 of the leg cover 20.
The screws 53 are fitted together and the screws 53 are tightened from the front to fix the lower fixing means E. Thereafter, the step board 16 is moved to the step beam 1 of the body frame 2 by the four bolts 18.
Then, the step board 16 is completely fixed. The front cover 21 is provided with three screws 56, for example, on front stays 54 and 55 fixed to the head pipe 7 as shown in FIGS.
And fixed to the leg cover 20 by a plurality of engaging means such as claws (not shown), and further to the front lower cover 22 by screws 57. On the other hand, the front lower cover 22 is
Leg cover 20 with 8, 59 and a plurality of claws, etc.
, And fastened to the step bracket 28 of the vehicle body frame 2 by the screw 60. The rack 23 is fastened to the leg cover 20 and the front lower cover 22 using the screws 58 and 59, so that the number of screws used is reduced. With the frame cover structure as described above, when the leg cover 20 is fixed to the body frame 2, the first positioning means A and the second positioning means B are used.
Since the leg cover 20 can be easily positioned by the above, the leg cover 20 can be quickly fixed to the vehicle body frame 2 by the upper fixing means C. Further, the positioning between the leg cover 20 and the step board 16 can be easily performed by the fitting means D, and the lower fixing means E is arranged near the positioning means B and the fitting means D. Therefore, the leg cover 20 and the step board 16 can be quickly fixed by using the lower fixing means E without causing a step difference between the leg bar 20 and the step board 16. In this manner, the leg cover 20, which is a large component, and the step board 16 can be easily mounted, so that the workability of assembling the frame cover 15 is greatly improved. The structures of the first positioning means A and the second positioning means B, the upper fixing means C and the lower fixing means E, and the fitting means D are not necessarily limited to those in this embodiment. The structure can also be adopted. As described above, the frame cover structure of the scooter type vehicle according to the present invention includes the leg cover,
Positioning means A for engaging the convex curved surface of the positioning pedestal provided on the frame pipe with the concave curved surface of the positioning piece formed at the center of the lower edge of the leg cover to determine the vertical position of the leg cover; Positioning holes at both ends of the support arm fixed to the frame pipe are fitted with positioning projections protruding from both ends of the lower portion of the leg cover, and positioning means B for determining the front and rear position and the left and right position of the leg cover are used. The upper part of the leg cover is fixed to the body frame by the upper fixing means C, and the front edge of the step board fixed to the body frame is cut into a U-shape along the lower shape of the leg cover. The front edge of the step board and the lower part of the leg cover are fitted to a fitting means D comprising a plurality of fitting holes and fitting claws. In addition, the vicinity of the fitting portion is connected and fixed by a pair of left and right lower fixing means E, and the lower fixing means E is arranged near the positioning means B and the fitting means D. is there. With this configuration, the leg cover can be easily positioned on the body frame by the positioning means A and B, and the upper part of the leg cover can be quickly fixed to the body frame by the upper fixing means C. In addition, since the positioning between the leg cover and the step board can be easily performed by the fitting means D, and the lower fixing means E is disposed near the positioning means B and the fitting means D,
The leg cover and the step board can be quickly fixed by the lower fixing means E, and the workability of assembling the frame cover can be greatly improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a left side view of a scooter type vehicle to which the present invention is applied. FIG. 2 is an exploded perspective view of a frame cover showing one embodiment of the present invention. FIG. 3 is a longitudinal sectional view showing a second positioning means and a lower fixing means. FIG. 4 is a longitudinal sectional view showing an upper fixing means. FIG. 5 is a perspective view of a leg shield. FIG. 6 is a plan view of a step board front part. DESCRIPTION OF SYMBOLS 1 Scooter type vehicle 2 Body frame 10 Handlebar 13 Seating seat 15 Frame cover 16 Step board 20 Leg cover 26 Positioning pedestal 27 forming first positioning means A Positioning piece 31 forming first positioning means A Positioning holes 32 forming the second positioning means B Positioning projections 33 forming the second positioning means B Fastening brackets 34 forming the upper fixing means C Fastening pedestals 35 forming the upper fixing means C Forming the upper fixing means C Fastening nuts 37 to 42 Fitting holes 43 to 48 forming fitting means D Fitting claws 50 forming fitting means D Fixed recesses 51 forming lower fixing means E Fixed convexes forming lower fixing means E Part 52 Nut constituting lower fixing means E Screw 53 forming lower fixing means E

Claims (1)

(57) [Claim 1] A low-floor type step board is provided in which the space between the handlebar and the seating seat is deeply pierced downward, and a leg cover rising from the front of the step board. In the frame cover structure of a scooter type vehicle that covers the front head of the body frame from behind, the leg cover is formed on the convex curved surface of the positioning pedestal provided on the frame pipe and the center of the lower edge of the leg cover. Positioning means A for determining the vertical position of the leg cover by engaging with the concave curved surface of the positioning piece, and positioning holes at both ends of the support arm fixed to the frame pipe of the vehicle body frame, and projecting from both lower ends of the leg cover. Positioning the vehicle body frame by using positioning means B for determining the front-rear position and the left-right position of the leg cover by fitting the positioning protrusions The upper part of the leg cover is fixed to the body frame by upper fixing means C, and the front edge of the step board fixed to the body frame is cut into a U-shape along the lower shape of the leg cover. The front edge of the board and the lower portion of the leg cover are fitted by fitting means D comprising a plurality of fitting holes and fitting claws, and the vicinity of the fitting portion is connected and fixed by a pair of left and right lower fixing means E, A frame cover structure for a scooter-type vehicle, wherein the lower fixing means E is arranged near a positioning means B and a fitting means D.