JPS6323034B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a front cover device for a motorcycle or the like.

Prior Art and its Problems For example, in conventional low-floor motorcycles called scooters or family bikes, the head pipe, which supports the steering pipe integrally connected to the handlebar so as to be able to turn left and right, is covered with a step floor. In order to connect the steering wheel cover with a smooth curved surface, the synthetic resin steering wheel cover was attached to the vehicle body using fasteners such as screws and bolts.

However, such conventional low-floor motorcycles require a large number of fastening parts, making disassembly and assembly of the front part of the vehicle body complicated and time-consuming for maintenance.

Means for Solving the Problems The present invention relates to an improvement of a front cover device for a motorcycle, etc. that eliminates such inconveniences, and its purpose is to improve a front cover device for a motorcycle, etc. that is easy to maintain and has an excellent appearance. The present invention provides a front cover device.

The purpose of this is to extend the left and right sides of the step floor, which is fixed to the vehicle body frame, to the left and right sides of the steering system and to the front, forming a skirt that surrounds the outer periphery of the top of the front wheel. A steering system is passed through the formed steering system insertion opening, and a handle post cover having a peripheral wall that rises upwardly in the skirt portion so as to cover the steering system insertion opening is removably locked by a locking piece. This is achieved by providing a front cover device for a motorcycle or the like which is fixed in relation to the present invention.

Embodiment Hereinafter, an embodiment in which the present invention is applied to a motorcycle (also applicable to a tricycle with two rear wheels) will be described.
It is constructed by integrally joining a rear body 3 and a step floor 4.

Also, in front body 2, the upper handle 5
and a lower fork pipe 7 are integrally connected to each other via a steering pipe 6, and a front wheel 8 is rotatably pivoted to the lower end of the fork pipe 7.
The steering pipe 6 is loosely fitted into the head pipe 9, and the steering pipe 6 is rotatably supported at both upper and lower ends of the head pipe 9 via ball bearings 10. The wheels 8 are adapted to be steered in a desired direction.

Further, the tips of two frame pipes 11 are fixed to the head pipe 9 by welding or the like, and the frame pipes 11 are spread diagonally backward and downward into a bifurcated shape, and then placed approximately horizontally below the step floor 4. The rear end of the frame pipe 11 is integrally fixed to the main components of the rear body 3.

Furthermore, the step floor 4 includes a floor plate (not shown) that is integrally fixed to the lower surface of the frame pipe 11, and a steering system (steering pipe 6, fork pipe 7) that connects the left and right sides of the step floor 4. A floor skirt 12 that extends to the left and right sides and to the front and surrounds the outer periphery of the top of the front wheel 8; and a synthetic resin front that is fitted into the front part of the floor skirt 12 from below to above. A fender 13 is provided.

As shown in FIG.
a (the front side in the drawing) is formed in a substantially arc shape, and the outer edge 14b of the right half of the top surface portion 14 has a large diameter and extends rearward to allow rotation of the fork pipe 7 within a certain angular range. The end has a curve that smoothly connects with the rear of the outer edge of the left half, and the front end has a straight line that is tangent to the front of the outer edge of the left half. Further, a circular hole 17 for passing the head pipe 9 is formed in the center of the top surface portion 14, and a rib 17a that hangs downward is formed at the periphery of the circular hole 17.
And, as shown in FIG.
The bottom portion 16 is formed in a shape that substantially contacts the inner surface of the front fender 13 except for the portion where the lower end locking claws 21a and 22a of 2 are fitted, and the rear portion 16b of the bottom portion 16 is bent diagonally downward. Further, both side parts 15a and 15b of the inclined part 15 are formed into a shape close to a conical surface, a front part 15c of the inclined part 15 is formed into a planar inclined surface, and a rear part 15d of the inclined part 15 is formed into a shape close to a vertical surface. has been done. Furthermore, a cable passage hole 1 is provided at the rear left side of the top surface 14 of the front fender 13.
8, and a stay through hole 19 is provided in the left and right conical side portions 15a, 15b of the front fender 13, and a reinforcing projection 20 is formed adjacent to the stay through hole 19. Furthermore, the synthetic resin handle post covers 21 and 22 that cover the head pipe 9 and the frame pipe 11 are divided into two parts, front and rear, along a plane passing through the center line of the head pipe 9 and oriented in the vehicle width direction. As shown in the figure, an outwardly directed claw 21b is formed at the center of the rear edge of the front handle post cover 21 in the vertical direction, and the rear handle post cover 22
A hole 22b is formed in the center of the front edge in the vertical direction, and the claw 21b is engaged with the hole 22b, and both handle post covers 21 and 22 are integrally connected to each other by a screw 23 near the upper end. It's getting old.

A sleeve-shaped stopper 24 is integrally fitted to the lower end of the steering pipe 6 where it connects to the fork pipe 7, and a bending stopper 25 is integrally fixed to the head pipe 9. front wheel 8
is restricted to pivot within a certain angular range by the engagement of both stoppers 24 and 25.

Further, a horn mounting stay 26 is integrally fixed to the front of the lower part of the head pipe 9 by welding or the like, and a horn 27 is integrally mounted to the front of the stay 26 with bolts 28, and passes through the stay through hole 19 of the front fender 13. floor skirt 12
The lower front carrier mounting stay 29 whose tip is in contact with the inner surface of the horn mounting stay 26
It is designed to be integrally attached to the lower part of the body with bolts 30.

Furthermore, an upper front carrier mounting stay 31 is located approximately in the center of the back side of the front handle post cover 21.
are fixed together, the bracket 33 of the upper front carrier 32 is fixed to the stay 31 with the bolt 34 via the collar 35, and the rear end of the lower front carrier 36 is fixed to the stay 29 with the bolt 37 with the floor skirt 12 in between. A basket (not shown) is attached to both front carriers 32 and 36.

Since the illustrated embodiment is configured as described above, the front fender 13 formed as shown in FIG. The holes provided at approximately four corners of the front fender 13 and the floor skirt 1 correspond to the holes provided at approximately four corners of the front fender 13.
A screw 38 is inserted into the hole provided in the horizontal top surface 12a of 2.
By screwing and tightening, the front fender 13 can be integrally fixed to the floor skirt 12.

Next, attach the horn 27 to the horn mounting stay 26.
are integrally attached to the horn attachment stay 26 with bolts 28, and with the lower front carrier attachment stay 29 penetrating the stay through hole 19 of the front fender 13, the same stay 29 is integrally attached to the horn attachment stay 26 with bolts 30.

Furthermore, if the lower end locking pawl 21a of the handle post cover 21 is inserted into the gap 39 at the junction boundary between the floor skirt 12 and the front fender 13 and the front handle post cover 21 is pushed down, the lower end locking pawl 21a is elastically deformed inward and detachably locked to the floor skirt 12.

Perform the same work on the rear handle post cover 22, and then remove the floor skirt 1.
2, the claw 21b is locked in the hole 22b, and both the front and rear handle post covers 21, 22 are joined together with the screw 23, and the front body 2 can be assembled.

Furthermore, the lower front carrier 36 is attached to the lower front carrier attachment stay 29 that is in contact with the inner surface of the floor skirt 12 with bolts 37, and the upper front carrier 36 is attached to the upper front carrier attachment stay 36 via the collar 35 with bolts 34. 32, a basket (not shown) can be attached to the front carriers 32, 36.

Further, the front body 2 can be disassembled by performing the disassembly work in the reverse order of the assembly work described above. In this case, handle post covers 21, 22
The lower end locking claws 21a, 22a of the floor skirt 1
2, the portions of the handle post covers 21 and 22 near the locking claws 21a and 22a can be pushed inward.

In this embodiment, the left and right side portions of the step floor 4 are extended to the left and right sides and in front of the steering system (steering pipe 6, fork pipe 7) to surround the top outer periphery of the front wheel 8 to form a floor skirt. 12 (that is, the floor skirt 12 has a steering system insertion opening 12b, and the left and right parts are integrally connected in front of the steering system). The front end of the step floor 4 (the floor skirt 12 portion ) has large rigidity,
It is advantageous in terms of vibration prevention and has good durability. Moreover, in such a structure, the lower end portions of the handle post covers 21 and 22 are supported by the floor skirt 12 over the entire circumference, so that the rigidity of the lower end portions can be ensured, and the handle post cover 2
It is possible to suppress the occurrence of vibrations of No. 1 and 22 and improve durability.

Furthermore, in the embodiment, the front fender 13
The peripheral edge of the circular hole 17 on the top surface of the front fender hangs downward to form a rib 17a, and the sleeve-shaped stopper 24 fitted to the lower end of the steering pipe 6 is connected to the circular hole 17 on the top surface of the front fender. The ball bearings 10, which are loosely fitted with a slight gap between them and are interposed at the lower ends of the steering pipe 6 and the head pipe 9, are blocked from the space below the front fender 13 by a sleeve-shaped stopper 24. Therefore, muddy water, dust, etc. splashed up by the front wheels 8 are prevented from adhering to and accumulating on the ball bearings 10.

Furthermore, the front fender 13 is formed in a shape that allows the fork pipe 7 that is integrated with the handlebar 5 and the front wheel 8 to turn over a certain range, so the front fender 13 is integrated with the front body 2. It can be fixed to

Also, the front fender 13 is the front body 2
and the handle post cover 21, 2
2 and the floor skirt 12, the appearance of the front body 2 is refined.

Furthermore, when installing the handle post covers 21 and 22, the lower end locking claws 21a and 22a are inserted into the gap between the front skirt 12 and the front fender 13.
9 and push it down.To remove the handle post covers 21 and 22, it is sufficient to push inward near the lower end locking claws 21a and 22a and then pull them up. Attaching and detaching the covers 21 and 22 is easy.

Further, in the above embodiment, the horn 27 can be built into the front body 2, and the front carriers 32 and 36 can be attached to the front body 2, so that a basket (not shown) can be attached to the front body via the front carriers 32 and It can be installed on 2.

Effects of the Invention As described above, the present invention provides a skirt portion that extends the left and right side portions of the step floor fixed to the vehicle body frame side to the left and right sides of the steering system and to the front, and surrounds the outer periphery of the top of the front wheel. A steering system is passed through the steering system insertion opening formed in the skirt part, and a locking piece is attached to the skirt part, and the handle post cover has a surrounding wall that rises upward in a manner that covers the steering system insertion opening. Since the front cover device is constructed by fixing in a detachable locking relationship, there is no need for a separate stay for attaching the handle post cover, which simplifies the structure and reduces costs.

Furthermore, in the present invention, the left and right sides of the step floor are extended to the left and right sides of the steering system and to the front, forming a skirt that surrounds the top outer periphery of the front wheels. The rigidity of the extended portion is greater than that in the case where the portion is simply extended to both left and right positions of the steering system, and it is possible to prevent vibration of the step floor and improve durability. According to such a structure, the lower end portion of the handle post cover can be supported by the skirt portion over its entire circumference, and the rigidity of the handle post cover can be ensured.

Furthermore, in the present invention, the lower end of the handle post cover is supported by the skirt portion of the step floor in a removable locking relationship with the locking piece, which is compared to the case where the two are connected using a connector such as a screw. The assembly and disassembly work is easy, and the efficiency of car body assembly or vehicle maintenance work is improved.

Although the present invention has been described above in detail with respect to the embodiments shown in the drawings and the embodiments not shown in the drawings, the present invention is not limited to such embodiments and can be modified without departing from the spirit of the invention. The design can be freely modified as necessary.

[Brief explanation of the drawing]

Fig. 1 is a side view of a motorcycle equipped with an embodiment of the front cover device according to the present invention, Fig. 2 is a plan view with the handle post cover removed, and Figs. 3 and 4 are Fig. 2. - line,
5 is an enlarged perspective view of the main part of the same embodiment, FIG. 6 is a cross sectional view taken along the line - of FIG. 4, and FIG. It is a longitudinal cross-sectional view cut along the - line of a figure. 1...Body, 2...Front body, 3...
Rear body, 4... Step floor, 5... Handle, 6... Steering pipe, 7... Fork pipe, 8... Front wheel, 9... Head pipe,
10...Ball bearing, 11...Frame pipe, 12...Floor skirt, 13...Front fender, 14...Top part, 15...Slope part,
16...Bottom part, 17...Circular hole for penetration, 18...
Cable passage hole, 19... Stay passage hole, 20...
...Reinforcement projection, 21...Front handle post cover, 22...Rear handle post cover, 23...
...screw, 24...sleeve-shaped stopper, 25...
...Bending stopper, 26...Horn mounting stay, 27...Horn, 28...Bolt, 29...
Lower front carrier mounting stay, 30...
Bolt, 31... Upper front carrier mounting stay, 32... Upper front carrier, 33...
... Bracket, 34 ... Bolt, 35 ... Collar, 36 ... Lower front carrier, 37 ... Bolt, 38 ... Screw, 39 ... Gap part.

Claims (1)

[Claims] 1 The left and right sides of the step floor fixed to the vehicle body frame side are extended to the left and right sides of the steering system and to the front to form a skirt part that surrounds the outer periphery of the top of the front wheel, and the step floor is formed in the skirt part. A steering system is passed through the steering system insertion opening, and a handle post cover having a peripheral wall rising upward in a manner covering the steering system insertion opening is attached to the skirt portion in a removable locking relationship with a locking piece. A fixed front cover device for motorcycles, etc.