JP2572748B2 - Motorcycle and tricycle handle covers - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handle cover for surrounding a steering handle of a motorcycle or a scooter-type motorcycle, and more particularly to a cost reduction of a resin molding die.

[Prior art] Conventionally, especially in scooter type motorcycles and motorcycles, from the viewpoint of improving the appearance, the steering handle is surrounded by a resin handle cover which is long in the lateral direction, and a headlight and a left light are provided inside the front side of the handle cover. In many cases, a structure for accommodating and holding lamps such as a right direction indicator lamp is used.

As described above, as a structure for mounting the lamps in the handle cover, conventionally, as shown in, for example, Japanese Utility Model Application Laid-Open No. 59-113278, the accuracy of alignment between the handle cover and the lamps is improved. Some models use front and rear split handle covers.

In this conventional structure, the handle cover 9 includes a front cover 9a and a rear cover 9b. Then, a headlight mounting portion 13 is formed at the center of the front wall of the cover front body 9a, and the headlight 14 is mounted on the mounting portion 13. Also, the mounting portions are provided on both sides of the headlight mounting portion 13 on the front wall.
A turn signal mounting part 15 is formed integrally with the light source 13. A recess 16 having an open front surface is formed in the turn signal mounting portion 15, and a turn signal main body 17 is mounted in the recess 16.

Since the handle cover 9 is easily visible from the outside, it is important to improve the finished surface roughness of the outer surface from the viewpoint of improving the appearance. Therefore, the portion corresponding to the outer surface of the resin molding die for the handle cover 9 needs to have a higher surface roughness, and needs to be subjected to so-called mold polishing. This mold polishing is usually performed manually, and this polishing man-hour is an important part of the mold cost. Therefore, in order to reduce the cost of the resin molded product, it is effective to reduce the portion where the finished surface roughness should be improved.

In the handle cover 9, due to its design,
Alternatively, from the viewpoint of expanding the irradiation area of the lamps, it is required to make the lamp arrangement space as large as possible.

[Problems to be solved by the invention]

In the handle cover 9 described in the above-mentioned conventional publication, a headlight mounting portion 13 is formed at the center of the front wall of the cover front body 9a,
A turn signal mounting recess 16 is provided on each of the left and right sides, and a lateral direction which is a part of the front wall of the cover front body 9a is provided between the headlight mounting portion 13 and the left and right recesses 16. Since the connecting surface is present, the area requiring the above-described mold polishing is large by the amount of the connecting surface, and there is a problem that the cost of the mold and the cost of the cover front body 9a increase accordingly.

Further, in the above-mentioned conventional publication, the connecting surface portion of the front wall of the cover front body 9a is not used as a space for arranging lamps. Can not.

Therefore, an object of the present invention is to provide a handlebar cover for a motorcycle or a three-wheeled vehicle that can reduce the cost of a resin molding die while securing the rigidity of a front cover portion and can maximize the space for arranging lighting devices. It is in.

[Means for solving the problem]

The present invention comprises a resin front cover 13 covering the front of the steering handle 5 and a resin rear cover 14 covering the rear,
In the handlebar cover 12 of a motorcycle, in which a headlight 21 and a front direction indicator light 23 are disposed at the center of the front cover 13 in the vehicle width direction and at the left and right thereof, the front cover 13 is The upper surface 15 of the front cover located on the upper side of the lamp and the lower surface 16 of the front cover located on the lower side of the lamps are vertically spaced from each other, and the front edge 15a of the upper surface 15 of the front cover is forward. By arranging and retreating from the front edge 16c of the cover lower surface portion 16, the front cover upper portion 15 and the front edges 15a, 16c of the lower surface portion 16 are formed.
The front cover upper part 15 is extended rearwardly toward the rear of the vehicle body by continuously extending in a vehicle width direction between the headlights and a lamp arrangement opening in which a headlight and a front direction indicator light are arranged. At the same time, the upper surface 15
The front cover upper surface 1 is formed with a convex portion 15b in which the inclination angle is steeper than both left and right sides and becomes gradually higher on the rear side of the vehicle body.
The pair of left and right plate-like connecting ribs 17, 17 are located only near the front edges 15a, 16c in the front cover 13 and are integrally formed on the upper surface 15, lower surface 16 with the lower surface 16. And the connection ribs 17 are arranged so that the thickness direction thereof is the vehicle width direction and is inclined in an inverted C-shape when viewed from the front. At the boundary between the front indicator light arrangement space and the central headlight arrangement space, and
It is located near both left and right sides of 15b.

[Action]

According to the handlebar cover of the motorcycle according to the present invention, the upper surface portion 15 and the lower surface portion 16 of the front cover are vertically spaced apart from each other, and the space between the upper surface portion and the lower surface portion is defined in the vehicle width direction. The headlights and the front direction indicator lamps are arranged in a lighting device arrangement space, so that the headlight mounting portion and the left and right turn signal mounting portions are disposed between the headlight mounting portion and the left and right turn signal mounting portions as described in the above-mentioned conventional publication. As compared with the case where the lateral connection surface which is a part of the front wall of the cover front body exists, the lamp arrangement space can be ensured as large as possible.

In addition, the front edge 15a of the cover upper surface 15 is
Since it is retracted from 6c, the front end opening of the arrangement space becomes oblique, and the surface area of the opening increases. Therefore, the area of the lens surface of lamps located on the opening surface increases.

Also, when connecting the cover upper surface portion 15 and the lower surface portion 16, the connection ribs 17 are arranged with the plate thickness direction facing the vehicle width direction, that is, since the vehicle width direction dimension is smaller than the front-rear direction dimension, The problem that the arrangement space is narrowed by the rib can be avoided while securing the necessary connection rigidity.

The connecting ribs 17 thus form the front cover upper surface 15.
Required rigidity of connection between the lower cover 16 and the lower surface 16 can be secured, so that the front cover upper surface 15 and the lower surface 16 are connected at a position where they are exposed on the outer surface. It is not necessary or unnecessary to form, so that the area required for mold polishing is reduced, and the number of mold polishing steps can be reduced.

Further, since the connection ribs 17 are arranged so as to be inclined in an inverted C-shape when viewed from the front and formed integrally with both the cover upper surface portion 15 and the lower surface portion 16, the cover upper surface portion 15, the lower surface portion 16, and the connection ribs are formed. The dimensional accuracy of the headlight arrangement space 18 and the front direction indicator arrangement space surrounded by 17 can be improved, and the rigidity required for holding the lamps can be secured.

In addition, since the connection rib 17 is arranged only near the front edge of the front cover upper surface portion 15 inclined upward and rearward with a narrower vertical interval, the connection rib 17 can be shortened accordingly, and from this point forward. The rigidity of the cover 13 is ensured, and the dimensional accuracy is improved. Also, a convex portion 15 is provided at the center of the front cover upper portion 15.
Since b was formed, the rigidity of the front cover upper part 15 was improved,
In addition, since the connection ribs 17 are located at the left and right ends of the stiffened projection 15b, the rigidity of the front cover 13 is further improved from these points.

Also, since the connection ribs 17 are arranged in the front cover 13,
The flow path of the resin at the time of resin molding can be shortened, the time difference at the time of cooling and solidification becomes small, and generation of distortion can be suppressed.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 5 are views for explaining a handle cover of a scooter type motorcycle according to one embodiment of the present invention. In the figure, 1 is a scooter type motorcycle,
A front fork 4 for supporting a front wheel 3 is pivotally supported at a front end of a body frame 2 of the motorcycle 1, and a steering handle 5 is attached to an upper end of the front fork 4. A swing arm integrated type engine unit 7 for supporting the rear wheel 6 is pivotally supported. A leg shield 8 is mounted on the front of the vehicle body frame 2, a footrest plate 9 is mounted on the lower center, a seat 10 is mounted on the rear upper side, and a side cover 11 is mounted below the seat 10.

The steering handle 5 is provided with a handle cover 12 for improving the appearance. This handle cover 12
Is made of resin and is a so-called front-rear split type consisting of a front cover 13 and a rear cover 14, and surrounds a central portion of the steering handle 5 excluding grips at both left and right ends.

The rear cover 14 is substantially T-shaped and covers the main body of the steering handle 5 and the back of the support shaft. The lateral sides are the left and right sides of the main body, and the vertical sides are the support shafts. Are bolted and fixed near the center.

And the front cover 13 is a front cover upper surface portion 15 that opposes a space provided with lamps for arranging lamps, which will be described later, and
The front cover lower surface portion 16 is connected by left and right connection ribs 17, and there is no connection member at the outer end between the front cover upper surface portion 15 and the lower surface portion 16, so that it is open.

The front cover upper surface portion 15 has a substantially flat plate shape that covers the upper side of the steering handle 5 and is inclined upward to the rear of the vehicle. The inclination is larger at the center than at both the left and right sides. A convex portion 15b is formed, which is steep and gradually increases toward the rear of the vehicle.

Further, the front cover lower surface portion 16 covers a lower portion of the lateral surface portion, is also a substantially flat plate, and has a shaft cover portion 16 covering a support shaft portion of the steering handle 5 at a lower center thereof.
a is extended downward, and a lamp body recess 16b is formed in the upper center to arrange a headlight.

The front cover upper surface 15 and lower surface 16 are
Are connected integrally with the connection ribs 17 and 17 so that the front edge 15a is located behind the front edge 16c of the lower surface portion 16, and is fixed to the steering handle 5 by bolting.

The connection ribs 17 are band-shaped, and are provided at both ends of the lamp body concave portion 16b of the front cover lower surface portion 16 and at the convex portions 15b.
And the sheet width direction and the sheet thickness direction are directed to the vehicle front-rear direction and the vehicle width direction, respectively. The connection rib 17, the lamp body recess 16b and the front cover upper surface 15
A space surrounded by the central part of the headlight is a headlight holding part 18, and a headlight 21 is disposed in the holding part 18.

An indicator lamp holding portion 20 is formed outside the connection rib 17 in the vehicle width direction, and the holding portion 20 has a U-shaped cross section, and the front ends of the upper side portion 20a and the lower side portion 20b are respectively formed. It is integrally connected to the front edges of the front cover upper surface 15 and the lower surface 16.
As a result, the lower side portion 20b has a double wall structure, and a bolt insertion hole 20c and a tool insertion hole 16c are formed in the double wall portion. And the indicator lamp holding unit 20
Inside the front direction indicator light 23 is disposed, and the lower surface of the front direction indicator light 23 is fixed by a mounting bolt 22 inserted into the bolt insertion hole 20c. The mounting bolt 22 is located at a position in the double wall that cannot be seen from the front.

 Next, the operation and effect of this embodiment will be described.

In the handle cover 12 of the present embodiment, a headlight 21 is provided at a central portion in the vehicle width direction between the front cover upper surface 15 and the lower surface 16 of the front cover 13.
, And a forward direction indicator light 23 is disposed on the left and right sides thereof. That is, since the entire space between the front cover upper surface 15 and the front cover lower surface 16 is used as a lamp arrangement space, the space can be expanded to the utmost, the irradiation area can be expanded, and a headlight is provided in the space. The front direction indicator can be continuously arranged over the entire width, and the design can be improved.

In this case, since the front cover 13 is easily visible when viewed from the front of the vehicle, its outer surface is particularly important in appearance.
For this reason, it is necessary to manually polish the portion of the resin molding die corresponding to the outer surface of the front cover 13 corresponding to the outer surface, and this man-hour for polishing the mold accounts for a large proportion of the mold cost. The front cover 13 of the embodiment is a front cover upper surface portion.
15, the lower surface portion 16 is connected only by the connecting rib 17 having a small width, that is, a small outer surface area, and no connecting member is provided at the outer end in the vehicle width direction between the front cover upper surface portion 15 and the lower surface portion 16. Since it is open, the area requiring mold polishing is greatly reduced as compared with the conventional publication in which there is a lateral connecting surface connecting the headlight mounting portion and the left and right concave portions, and the Mold cost can be reduced.

Further, in this embodiment, no connection member is provided at the outer end in the vehicle width direction between the front cover upper surface portion 15 and the lower surface portion 16, but the connection rib is wide behind the vehicle, Since the rigidity is so large, the rigidity required for the front cover 13 can be sufficiently secured.

Furthermore, in the present embodiment, the indicator light holding portion 20 has a double wall structure, and a direction indicator light 23 is fixedly held in the holding portion 20 by a mounting bolt 22, and the mounting bolt 22 is mounted in the double wall. Since it is located, it is not visible from the outside and the design freedom of this part is improved, so the direction indicator light
The appearance of the 23 mounting parts can be improved.

In addition, since the front cover 13 is formed as an integral body by resin molding, the dimensional accuracy of the headlight holder 18 and the like can be improved.

Further, in the resin molding, the double wall portion can be easily molded by adopting a structure in which a mold is removed from the gazette, and there is no problem such as sink marks, and the appearance can be improved from this point.

In the above embodiment, the scooter type motorcycle has been described. However, the present invention relates to a motorcycle of another type, furthermore, a scooter type motorcycle having one front wheel and two rear wheels. It can be applied to any vehicle provided with a surrounding handle cover.

〔The invention's effect〕

As described above, according to the handlebar cover of the motorcycle according to the present invention, the upper surface portion and the lower surface portion of the front cover are arranged at an interval vertically, and the space between the upper surface portion and the lower surface portion is reduced. Since it is a lighting device arrangement space which extends continuously in the vehicle width direction and in which a headlight and a forward direction indicator light are arranged, there is an effect that the space can be as large as possible. In addition, since the front edge of the upper surface of the cover is recessed from the front edge of the lower surface, the surface area of the front end opening of the arrangement space can be increased, and the lens area of lamps can be increased.

Further, when connecting the cover upper surface portion and the lower surface portion, since the connection ribs are arranged with the plate thickness direction oriented in the vehicle width direction, the arrangement space is narrowed by the ribs while securing necessary connection rigidity. Problems can be avoided.

And the necessary connection rigidity between the front cover upper surface portion and the lower surface portion can be secured by the connection ribs in this manner, so that the front cover upper surface portion and the lower surface portion are connected at a position where they are exposed to the outer surface.
Therefore, it is not necessary or necessary to form a separate connection portion that requires mold polishing widely, so that the number of mold polishing steps can be reduced accordingly.

Furthermore, since the connection ribs are arranged so as to be inclined in an inverted C-shape when viewed from the front and are integrally formed with both the upper and lower surfaces of the cover, the connection ribs are surrounded by the upper and lower surfaces of the cover and the connection ribs. The dimensional accuracy of the headlight arrangement space can be improved, and the rigidity required for holding the lamps can be secured.

Also, since the connection ribs are arranged only in the vicinity of the front edge where the vertical interval on the upper surface of the front cover in which the connection ribs are inclined upward is narrowed, the connection ribs are shortened accordingly, and the rigidity of the front cover is also reduced from this point. As a result, the alignment accuracy between the headlight and the front cover is improved. In addition, since a convex portion is formed at the center of the front cover upper surface portion 15, the rigidity of the front cover itself is improved, and the connection rib is arranged at the high rigidity portion.
From these points, the rigidity of the front cover is further improved.

Further, since the connection ribs are arranged in the front cover, the flow path of the resin during resin molding can be shortened, and the moldability can be improved.

[Brief description of the drawings]

1 to 5 are views for explaining a handle cover of a scooter type motorcycle according to one embodiment of the present invention.
1 is a front view thereof, FIG. 2 is a plan view thereof, FIG. 3 is a side view thereof, FIG. 4 is a sectional view taken along line IV-IV of FIG. 1, and FIG. FIG. 2 is a side view of the scooter type motorcycle. In the figure, 1 is a scooter type motorcycle, 5 is a steering handle, 12 is a handle cover, 13 is a front cover, 14 is a rear cover, 15 is a front cover upper surface portion, 16 is a front cover lower surface portion, 17 is a connection rib, 21 is a headlight, and 23 is a front direction indicator light.

Claims (1)

(57) [Claims] 1. A front cover made of resin which covers the front of a steering handle, and a rear cover made of resin which covers the rear. A headlight and a left and right center of the front cover, and left and right of the front cover. In a handlebar cover of a motorcycle provided with a front direction indicator light, the front cover is formed by a front cover upper portion located above the lamps and a front cover located below the lamps. By arranging the lower surface with the upper and lower portions so that the front edge of the upper surface of the front cover is recessed from the front edge of the lower surface of the front cover, the upper surface of the front cover and the lower surface of the lower surface are arranged in front. It extends continuously between the edges in the vehicle width direction, forms a lighting device arrangement opening where a headlight and a front direction indicator light are arranged, and further inclines the front cover upper surface part rearward and upward toward the rear of the vehicle body. And the left and right sides of the upper surface at the center of the upper surface of the front cover. A convex portion is formed such that the inclination angle is steep and gradually increases toward the rear side of the vehicle body, and the upper surface portion and the lower surface portion of the front cover are located only near the front edge in the front cover; Are connected by a pair of left and right plate-shaped connection ribs integrally formed on the vehicle, and the connection ribs are arranged such that the plate thickness direction is the vehicle width direction and is inclined in an inverted C shape in a front view. Further, the connection ribs are located at a boundary between a pair of left and right front direction indicator lamp arrangement spaces and a central headlight arrangement space and near both left and right ends of the convex portion. And motorcycle handle covers.