JPS63555Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an improvement of a front cover of a motorcycle or a three-wheeled vehicle (two-wheeled or three-wheeled vehicle).

(Prior Art and its Problems) As a conventional cover of this type, there is known a cover as described in, for example, Japanese Utility Model Application Publication No. 57-60889 by the applicant of the present invention.

According to this, an inner cover (column cover) is provided to cover the head pipe that supports the front wheel suspension system to prepare the exterior, and a windshield leg shield (front cover) is attached to protrude to the left and right of this inner cover (column cover). Furthermore, the leg shield (front cover) is configured to have an inner rack (storage) that is open at the top.

However, in this conventional configuration, the inner cover (column cover), leg shield (front cover), and inner rack (storage case) are each formed separately, which reduces the number of parts and assembly man-hours. There was a problem that I didn't like.

(Means for Solving the Problems) This invention was made to solve the problems of the prior art, and includes a leg shield attached to a head pipe that pivotally supports a front wheel suspension system, and a leg shield attached to the leg shield and the head pipe fixed to the leg shield. A cover for a two-wheeled or three-wheeled vehicle comprising an inner cover surrounding a part of the leg shield, and an inner rack that is attached to the leg shield and is open at least upwardly,
The leg shield has an upper part located in front of the head pipe and a lower part located in the rear of the down frame connected to the head pipe,
Further, the middle part thereof integrally forms an insertion hole through which the head pipe and down frame are inserted, and the inner cover integrally forms a shielding part that covers the insertion hole, while at least the upper part is open. and integrally forming a peripheral wall portion defining a space between the leg shield and the opposing surface,
To provide a front cover structure characterized in that an inner rack is formed by the peripheral wall portion and the leg shield, and the number of parts can be reduced and assembly man-hours can be omitted without impairing the windshield, exterior maintenance, and storage functions. The purpose is to

(Embodiment) An embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

Figure 1 shows the appearance of a rocking tricycle to which the present invention is applied, and has a structure with one front wheel and two rear wheels.
The vehicle body 1 has a connecting mechanism 2 called a swing mechanism.
It is connected to the rear drive device 3 so as to be swingable with respect to the drive device 3. This vehicle body 1 is constructed as shown in FIG. 2, and the vehicle body frame 4 includes a head pipe 5 to which a handle pipe of a front wheel suspension system (not shown) is attached, and a down frame extending substantially diagonally downward below the head pipe 5. 6, and a pair of left and right rear frames 7 and 8, which are substantially crank-shaped and whose front ends are welded to both lower side parts of the down frame 6, and which extend rearwardly facing each other at a predetermined distance. , these rear frames 7, 8
A plurality of reinforcing members 9, 10, called cross members, are welded to predetermined locations and connect the two to each other.
11, 12, etc.

As shown in the figure, the cross member is not fixed to the rear ends 7a and 8a of each of the left and right rear frames 7 and 8, and the rear ends 7b and 8b and the rear ends 7
a, 8a are the left and right arms 1 of the carrier 13, respectively.
Attachment holes 14a, 1 drilled at the ends of 4, 15
4b, 15a, 15b and corresponding holes 7c, 7d,
8c, 8d, and holes 7g, 7h, 8g, and 8h for attaching left and right side covers, which will be described later, are bored.

The carrier 13 is attached and fixed to each rear frame 7, 8 as shown in FIGS. 2 and 3. That is, the ends of the arms 14, 15 of the carrier 13 are arranged inwardly inside the rear parts 7b, 8b of the rear frames 7, 8, and the arms 14, 15 are
Align the holes 14a to 15b with the holes 7c to 8d of the rear frames 7 and 8, respectively, insert the bolts 17 to 20 from the outside of the rear arms 7 and 8, and screw the nuts 21 to 24 from the inside. . In this way, the carrier 13 is fixed to the rear frames 7 and 8,
The rear end portions 7a, 8a of the left and right rear frames 7, 8 are firmly connected and fixed by a carrier 13. That is,
The carrier 13 also serves as a reinforcing member that connects the rear ends 7a and 8a of the left and right rear frames 7 and 8, and the strength of the vehicle body frame 4 is determined to be strong enough to withstand the required load when the carrier 13 is attached. It is set.

The leg shield 25 has a substantially dogleg shape in side view,
As shown in FIG. 4, a hole 25a through which the head pipe 5 is inserted is bored at approximately the center position.
Inclined surfaces 25c and 25d forming the bottom of the inner rack, which will be described later, are formed on the left and right sides of the inner rack, and the peripheral surface 25
Engaging portions 25f, 25g, and 25h that open rearward and upward are formed at predetermined locations of e. Furthermore, a hole 25 is formed on the inner surface 25b of the leg shield 25.
Engagement parts 25k to 25n having engagement holes at predetermined positions above and on both sides of a are protruded substantially perpendicularly from the inner surface 25b. Further, bosses 25p to 25s are provided on the inner surface of the leg shield 25 and at predetermined positions above and to the sides of the inclined surfaces 25c and 25d, respectively.
b protrudes substantially perpendicularly to b. The leg shield 25 having such a shape is integrally formed of, for example, a synthetic resin member.

As shown in FIG. 4, the inner cover 26 includes a thick peripheral wall portion 26a which opens forward, surrounds the head pipe 5 from the rear, and is substantially U-shaped in top view so as to shield the insertion hole 25a, and this peripheral wall portion 26a. Peripheral wall portions 26c and 26d are formed in a row and are substantially L-shaped in top view and extend on both sides of the housing and open in the front and left and right directions. Each of these peripheral wall portions 26a, 26
Claw-shaped engagement pieces 26f to 26h that engage with respective engagement portions 25f to 25h of the peripheral surface 25e of the leg shield 25 are provided at the lower ends of the leg shields 25c and 26d to protrude downward.

On the inner surface 26b of the peripheral wall portion 26a, there is a substantially wedge-shaped engaging portion 2 having a front inclined surface formed at a position corresponding to each of the engaging portions 25k to 25n of the leg shield 25.
6k to 26n are provided protrudingly, and further peripheral wall portions 26c, 2
At the front opening end of the leg shield 25, locking portions 26p to 26s having through holes formed at positions facing the respective bosses 25p to 25s of the leg shield 25 are protruded as shown. The inner cover 26 having such a shape is integrally formed of a synthetic resin member like the leg shield 25.

Other covers: step floor 27, side covers 28, 29, top cover 30, partition cover 31, rear cover 32, and front/rear cover 3.
Similarly to the leg shield 25, the parts 3 and 3 are made of synthetic resin and have the same shape as conventional ones.

Next, the procedure for assembling each cover to the vehicle body frame 4 will be explained.

First, the hole 2 of the leg shield 25 shown in FIG.
The end portion 25t of the leg shield 25 is placed on the front portions 7e and 8e of the left and right rear frames 7 and 8 through the head pipe 5 of the vehicle body frame 4 and the upper part of the down frame 6, respectively, and the inner cover 25 is inserted from the rear. are arranged so that the head pipe 5 is surrounded by the peripheral wall part 26a, and peripheral wall parts 26a, 26c,
Each engaging portion 2 is fitted with each of the locking pieces 26f to 26h of 26d and protrudes from the inner surface of the leg shield 25.
The engaging portions 26k to 26n of the inner cover 26 are press-fitted into the holes 5k to 25n from the inside.

Next, each boss 25p of the leg shield 25 ~
Locking portion 26 of inner cover 26 corresponding to 25s
P to 26s are aligned and brought into contact, and these are screwed together using tapping screws 40 to 42. In this way, as shown in FIG.
Attach and fix the inner cover 26 to.

Inner surface 25 of leg shield 25 as described above.
b. An inner rack 36 that opens upwardly at a position substantially in front of the leg shield 25 and in front of the leg of the passenger, as shown in FIG.
form 37. That is, the inner surface 25b of the leg shield 25 and the peripheral wall portion 26a of the inner cover 26,
26c and 26d are peripheral walls, leg shield 25
Inner racks 36 and 37 are formed which have the inclined surfaces 25c and 25d as the bottom and open upward.

Next, the front parts 7e of the left and right rear frames 7, 8,
The step floor 27 is placed on the step floor 8e, and each of the locking portions 27a protruding from the tip thereof is fitted into a locking portion (not shown) formed opposite the lower end portion 25t of the leg shield 25, and both of these are fitted. It is fixed with a screw (not shown). Next, the left and right side covers 28 and 29 formed in a substantially L shape are inserted from the center portions 7f and 8f of the rear frames 7 and 8 to the rear part 7.
b, 8b, and their lower ends 28
a, 29a are press-fitted into respective grooves 27b, 27c formed at the rear of the upper surface of the step floor 27, and the rear frame 7 is press-fitted into the inner surfaces of these side covers 28, 29 as shown in FIGS. 2 and 6. ，
Knobs 28b, 28c, 29 formed to protrude inward in correspondence with the holes 7g, 7h, 8g, 8h of 8
b, 29c are press-fitted into the grommets 34 inserted into the respective holes 7g to 8h, thereby fixing the side covers 28, 29 to the rear frames 7, 8.

Further, the upper surface cover 30 is placed below the carrier 13 and on the upper surface of the rear portions 7b and 8b of the left and right rear stays 7 and 8, and one side portion 30a of the upper surface cover 30 is placed on the upper surface 7i of the rear frame 7 as shown in FIGS. 3 and 6. and the upper surface 28e of the side cover 28 and are fixed. The other side portion 30b of the top cover 30 is similarly fixed by the rear frame 8 and the side cover 29. In this way, the top cover 30 is attached.

Next, install the partition cover 3 on the front side of the cross member 11.
1 and its lower end 31a is placed on the step floor 27.
The knob 3 of the rear cover 32 is fitted into the groove 27d formed in the partition cover 31, and is placed in the hole 31b formed in the partition cover 31 on the rear side of the cross member 11.
2b is press-fitted, and the rear cover 32 is fixed to the partition cover 31. Further, a front rear cover 33 is arranged on the front side of the partition cover 32, its lower end 33a is press-fitted into the groove 27d of the step floor 27, and hooks 33b (only one side shown) protruding from both ends are attached to the side covers 28, 29. The rear cover 33 is press-fitted into slits 28d and 29d formed opposite to each other at the front ends of the side covers 28 and 29, and the upper end 33c of the rear cover 33 is locked by locking parts (not shown) protruding from the upper ends of the side covers 28 and 29. This prevents the front and rear cover 34 from coming off.

Each cover is attached to the vehicle body frame 4 in this manner.

In this embodiment, a case has been described in which the bottom of the inner rack is formed on the leg shield side, but the present invention is not limited to this, and the bottom may be formed integrally with the peripheral wall of the inner cover that forms the inner rack. Alternatively, the inner rack may be formed only on one side of the inner cover.

(Effects of the invention) As described above, according to this invention, there is a leg shield attached to a head pipe that pivotally supports a front wheel suspension system, an inner cover that is fixed to the leg shield and surrounds a part of the head pipe, and an inner cover that is attached to the leg shield. In the cover for a two-wheeled or three-wheeled vehicle, the upper part of the leg shield is located in front of the head pipe, and the lower part of the leg shield is located in the rear of a down frame connected to the head pipe, and further , an intermediate portion thereof integrally forms an insertion hole through which the head pipe and the down frame are inserted, and the inner cover integrally forms a shielding portion that covers the insertion hole, and is open at least at the upper side; Since the peripheral wall portion defining a space between the leg shield and the surface facing the leg shield is integrally formed, and the inner rack is formed by the peripheral wall portion and the leg shield, the inner cover and the inner rack are integrated. This allows the number of parts to be reduced and assembly man-hours to be omitted. Furthermore, the appearance is improved by integrating the leg shield and by having the inner cover cover the insertion hole of the leg shield.

[Brief explanation of the drawing]

Fig. 1 is a side view of a rocking tricycle to which the present invention is applied, Fig. 2 is an exploded perspective view showing an embodiment of the tricycle body shown in Fig. 1, and an exploded perspective view illustrating the assembly procedure, and Fig. 3 shows the body frame and Fig. 4 is a partially cutaway perspective view of the leg shield and inner cover shown in Fig. 2, and Fig. 5 shows the inner cover attached to the leg shield shown in Fig. 4. The perspective view shown in FIG. 6 is a sectional view of a main part of the fixed portion between the rear frame and the side cover shown in FIG. 2. 5... Head pipe, 6... Down frame,
14...Space part, 25...Leg shield, 25
a...Insertion hole, 26...Inner cover, 26c,
26d...peripheral wall part.

Claims (1)

[Scope of utility model registration request] A cover for a two-wheeled or three-wheeled vehicle comprising a leg shield attached to a head pipe that pivotally supports a front wheel suspension system, an inner cover fixed to the leg shield and surrounding a part of the head pipe, and an inner rack attached to the leg shield and open at least upwardly. In the leg shield, an upper part thereof is located in front of the head pipe, a lower part thereof is located in the rear of the down frame connected to the head pipe, and an intermediate part thereof has an insertion hole through which the head pipe and the down frame are inserted. The inner cover is integrally formed with a shielding part that covers the insertion hole, and is open at least in the upper part and defines a space between the inner cover and the surface facing the leg shield. A cover for a two-wheeled or three-wheeled vehicle, characterized in that a peripheral wall portion is integrally formed, and an inner rack is formed by the peripheral wall portion and the leg shield.