CN1317156C - Bodywork structure of two-wheel motor - Google Patents

Abstract

The invention provides a body structure of a two-wheeled motorcycle. A storage box is arranged under the seat, and a luggage rack is arranged under the seat. The side handle that is folded squarely and extends downward is provided on the rear side of the vehicle body, and the front end of the luggage rack is inserted toward the rear end of the side handle to overlap the inside of the side handle. The appearance portion of the luggage rack that does not overlap the side handle and the rear end portion of the side handle are connected to form one surface. Therefore, an appearance with a sense of unity can be obtained, and the aesthetic feeling of the appearance can be improved. In addition, since the side handle is provided in front of the luggage rack, the side handle can be provided on the side of the vehicle body further forward than the luggage rack. Furthermore, since the luggage rack and the side handles are made as separate bodies, the luggage rack can be replaced independently.

Description

Body structure of a two-wheeled motorcycle

technical field

The present invention relates to the body structure of a two-wheeled motorcycle, and in particular to an advantageous installation structure of a luggage rack and an armrest bar arranged behind a seat. In addition, in the present application, front and rear, left and right are based on the advancing direction of the vehicle body.

Background technique

The front part of the luggage rack is extended forward to form side handles, and the luggage rack, side handles, and grab bars are integrated by protruding above the luggage rack (Patent Document 1).

In addition, there is also a structure in which the armrest bar is formed separately from the luggage rack and can be freely detached (Patent Document 2).

Patent Document 1: Publication No. 4-45993, Shihei.

Patent Document 2: FIG. 6 and FIG. 10 of JP-A-11-180362

Contents of the invention

As in the aforementioned Patent Document 1, if the luggage rack, the side handle, and the grab bar are integrally formed, the weight increases due to the increase in size, and the shape becomes complicated. In addition, assemblability also needs to be improved. In addition, there is also a desire to replace some parts.

If it is formed separately as in Patent Document 2, although the problem of Patent Document 1 is solved, it is necessary to grasp the armrest bar when supporting the bracket, and to grasp the part behind the rear wheel axle, so in order to support it smoothly To lift the stand, it is necessary to set the handle part further to the front. In addition, it is desirable to have a sense of unity between the luggage rack and the mounting portion of the armrest to enhance the aesthetics of the appearance. It is therefore the aim of the present invention to fulfill these needs.

In order to solve the above-mentioned problems, the first aspect of the present invention is a two-wheeled motorcycle structure with a storage box under the seat and a luggage rack under the seat. The upper end of the rear side of the storage box is folded toward the outside so that the side handle extending downward is arranged on the rear side of the vehicle body, and the front end of the above-mentioned luggage rack is inserted into the rear end of the side handle. The inner side is overlapped, and at the same time, the appearance part of the above-mentioned luggage rack that does not overlap with the side handle and the rear end of the side handle are connected to form a single surface.

The second aspect of the present invention, based on the first aspect of the present invention, is characterized in that the luggage rack and the storage box are fixed on the body frame together.

A third aspect of the present invention, based on the first aspect of the present invention, is characterized in that the above-mentioned side handle is used as a handle when erecting the stand.

The fourth aspect of the present invention, on the basis of any one of the first to third aspects of the present invention, is characterized in that: the above-mentioned storage box has a front storage portion and a rear cover portion, and on the side of the cover portion The above-mentioned side handle is provided.

A fifth aspect of the present invention, based on the first aspect of the present invention, is characterized in that an armrest bar is installed near the connecting portion of the luggage rack with the side handle, and the connecting portions of these three members form a single surface.

According to the first aspect of the present invention, since the front part of the luggage rack and the inner side of the side handle are overlapped and installed on the vehicle body, at the same time, the appearance part forming the rear side of the luggage rack and the connecting part of the side handle form a single surface, thus An appearance with a sense of unity can be obtained, improving the aesthetics of the appearance. In addition, since the side handle is provided in front of the luggage rack, the side handle can be provided on the side of the vehicle body further forward than the luggage rack. Furthermore, since the luggage rack and the side handles are made as separate bodies, the luggage rack can be replaced independently.

According to the second aspect of the present invention, since the luggage rack and the storage box are fixed together, both the number of parts and the number of assembling steps can be reduced.

According to the third aspect of the present invention, since the side handle can be used as the handle portion when the stand is erected, the side handle further forward than the luggage rack can be grasped when the stand is erected, so the balance is good.

According to the fourth aspect of the present invention, since the side handle is protruded sideways from the portion provided at the rear of the storage box, it is possible to easily install the side handle on the vehicle rear side.

According to the fifth aspect of the present invention, since the grab bar is installed in the vicinity of the connecting portion of the luggage rack and the side handle, the grab bar and the luggage rack are formed separately, so that the grab bar and the luggage rack can be replaced separately, and at the same time, the armrest is improved. Rod mounting rigidity. In addition, since the connecting portions of these three members form a single curved surface, it is possible to obtain a unified appearance and improve the aesthetics of the appearance.

Description of drawings

Fig. 1 is a side view of the scooter-type small two-wheeled motorcycle of the present embodiment.

Fig. 2 is a plan view of the above-mentioned two-wheeled motorcycle.

FIG. 3 is a plan view of the storage box 10 .

Fig. 4 is a perspective view showing a mounted state of a side handle, a luggage rack, and a grab bar.

FIG. 5 is a side view of FIG. 4 .

Figure 6 is an installation diagram.

FIG. 7 is a plan view showing a mounted state of the luggage rack 15 .

FIG. 8 is a plan view of the luggage rack 15 .

FIG. 9 is a side view of the luggage rack 15 .

Fig. 10 is a perspective view showing a fastening structure for vehicle body mounting.

Fig. 11 is an explanatory diagram of a fastening structure for vehicle body mounting.

Fig. 12 is a sectional view taken along line 12-12 of Fig. 1 .

Fig. 13 is a sectional view taken along line 13-13 of Fig. 5 .

Fig. 14 is a sectional view taken along line 14-14 of Fig. 5 .

Symbol Description

10: storage box, 11: seat, 12: fuel tank, 14: side handle, 15: luggage rack, 16: grab bar, 26: connection line, 27: connection line, 28: connection line.

Detailed ways

Next, an embodiment will be described with reference to the drawings. Fig. 1 is a side view of the scooter-type small two-wheeled motorcycle of this embodiment, and Fig. 2 is its top view. In these figures, a front wheel 1 is supported by a front fork 2 on a head tube 4 provided at the front end of a vehicle body frame 3 , and the steering is freely steerable by a handlebar 5 .

The middle of the vehicle body frame 3 has a saddle for forming a low cushion floor 6, and a swing power assembly 7 is supported freely swinging up and down under the frame rear portion 3a that has become higher behind it. Back wheel 8 is supported on. A shock absorber assembly 9 is connected between the swing power assembly 7 and the frame rear portion 3a.

The storage box 10 opened upward is supported by the frame rear part 3a. Storage box 10 has the large volume that can accommodate helmet etc., and its top is opened and closed by seat 11. Seat 11 is made to the length that can take two people front and back, and the rear portion lower part of seat 11 supports fuel tank 12 and other auxiliary equipment class items, and it is covered from above by seat 11 and storage box 10 together.

The side of the vehicle body that comprises storage box 10, seat 11 forms the below of fuel tank 12, and is covered by rear cover 13, and the junction of the rear portion of fuel tank 12 and the top of rear cover 13 is provided with side handle 14, supports bracket You can hold it with your hand while car body.

The side handle 14 is formed at a position corresponding to the rear of the seat 11 and the side of the fuel tank 12, and is rearward from the pivot point of the main bracket 19 and slightly higher than the rear wheel axle.

A luggage rack 15 extends obliquely upward from the side handle 14 toward the rear. The luggage rack 15 is a rack for loading items, and is formed by a known method such as casting from an appropriate material such as metal or resin having a predetermined strength. And on the front portion of the luggage rack 15, the lower end of the armrest bar 16 that is obliquely upward and protrudes to the rear is installed at a position near the connection portion of the side handle 14 viewed from the side.

The armrest bar 16 is mainly used to allow passengers to hold it while driving to maintain a stable posture. It is made of rubber, artificial rubber or appropriate resin. In order to make the grip feel good, it is best to at least make its surface soft. of. Its shape is shown in FIG. 2 , and it forms a substantially arched shape in the left and right directions of the vehicle body, and its left and right ends are connected to luggage racks 15 .

Reference numeral 17 in FIG. 1 designates a front cover covering the front of the front pipe 4, reference numeral 18 designates a leg shield covering the rear side thereof, and reference numeral 19 designates a main bracket.

Fig. 3 has shown the plan view shape of storage box 10, and the storage part 20 of front half side and the auxiliary machinery article cover 21 of rear part are integrally formed, and the upper surface of auxiliary machinery article article cover 21 is formed with the gap adjacent to seat 11. The hole, and the cover 22 for opening and closing it, are integrally formed with a side handle 14 on the side thereof. These are all made of a relatively rigid and appropriate resin material or the like.

The side handle 14 has an outer portion (refer to FIG. 12 ) of a substantially inverted U-shaped groove portion in cross section, and protrudes from the rear of the accessory cover 21 toward the outer side of the vehicle body to form a relatively rigid handle exposed to the outside. part.

In addition, a pair of holes 23 for vehicle body attachment are formed on the left and right at the rear end portion of the auxiliary equipment cover 21 inside the rear end portion forming the side handle 14 . A hinge 24 for connecting the front end of the fuel tank 12 is provided at the front end of the storage portion 20 . C is the body centerline.

Fig. 4 is a perspective view of the vicinity of the seat rear viewed from obliquely rearward for showing the installation state of side handle 14, luggage rack 15 and armrest bar 16, Fig. 5 is a side view thereof, Fig. 6 is an installation diagram, and Fig. 7 is a diagram showing A plan view of the installed state of the luggage rack 15 in the state before the armrest bar is installed, FIG. 8 is a plan view of the luggage rack 15, FIG. 9 is a side view of the luggage rack 15, and FIG. 10 is a perspective view showing a fastening structure for vehicle body installation. , Figure 11 is an explanatory view of this fastening structure, Figure 12 is a cross-sectional view along line 12-12 in Figure 1, Figure 13 is a cross-sectional view along line 13-13 in Figure 5, Figure 14 is a cross-sectional view along line 14-13 in Figure 5 Sectional view of 14 lines.

In these figures, the side handle 14, the luggage rack 15, and the grab bar 16 are connected in a substantially Y-shape when viewed from the side. More strictly speaking, the grab bar 16 is externally connected to the side handle 14 and the luggage rack 15 through the connecting cover 25 provided at the lower end thereof.

If the respective connecting lines are set as 26-28, then these three lines are roughly Y-shaped when viewed from the side. In addition, the side handle 14, the luggage rack 15, and the armrest bar 16 all have ridges 14a, 15a, and 16a protruding outward, and they are connected to one surface. In addition, as shown in Figures 12-14, each connecting portion is on one surface, so that a sense of unity in appearance can be obtained.

As shown in FIG. 5, a protrusion 30 erected upward is provided near the rear end of the frame rear portion 3a, and a protrusion 31 protruding obliquely upward is provided at the rear end forming the rear thereof. The upper end of the protrusion 30 is provided with a pillar 32 protruding substantially horizontally toward the inside of the vehicle body by welding or the like, and the auxiliary equipment cover 21 and the luggage rack 15 as the rear part of the storage box are fastened together as described later.

An upper end portion of a strut 33 extending obliquely upward from the protrusion 31 is fixed to an approximately middle portion in the front-rear direction of the luggage rack 15 by a bolt 34 . In addition, the side portion of the seat 11 is supported by a pillar 35 provided in the vicinity of the protrusion 30 of the fuel tank 12 .

As shown in detail in FIG. 6 , the armrest bar 16 protrudes laterally and upwardly at the protrusion 36 formed on the front end of the luggage rack 15 , and a bolt 37 is inserted from below, and is fixed by a nut 38 embedded in the lower end of the armrest bar 16 . as one.

Behind the protrusion 36, a gap 39 (see FIG. 9 ) is formed between the lower portion of the armrest bar 16 and the luggage rack 15. The gap 39 and the sides of the protrusion 36 are covered with the connection cover 25 to form a good appearance. As shown in FIG. 6 , the connection cover 25 is formed in a ring shape from a suitable material such as synthetic resin, and is fitted around the protrusion 36 . Its upper end is connected to form a surface with the lower end of the handrail bar 16, and the bottom is cut into a shape that is connected with the side handle 14 and the luggage rack 15 as the opposite side. Moreover, as shown in FIG. 14, the lower part of the connection cover 25 overlaps with the part above the edge line 15a among the side surfaces of the luggage rack 15. As shown in FIG.

Thus, between the lower end of the handle bar 16 and the luggage rack 15, the protrusion 36 and the gap 39 cannot be seen from the appearance. At the same time, the connecting cover 25 itself also becomes an appearance member, which is connected to the adjacent opposite side member. Shaped as a surface, the lower portion of the grab bar 16 and the luggage rack 15 form a continuous appearance.

In addition, the connection cover 25 is not limited to the annular shape of this embodiment, and can have various shapes and structures. It is also possible to install left and right, and to be constituted by a single piece covering the front, rear and outer side of the protrusion 36 .

As shown in Figures 8 and 9, the luggage rack 15 is integrally provided with mounting elbows 40 on the left and right sides of its front end, on which a protrusion 36 is formed, and at the same time, a protrusion protruding toward the center side in the vehicle width direction toward the inside of the front end is integrally formed. The strut 41 has a bolt insertion hole 42 formed on its tip side. The front end of the portion sandwiched between the left and right mounting elbows 40 forms a connecting edge 44 at intervals along the rear end of the seat 11 .

In addition, a step-shaped recess 43 is formed on the outside of the front end of the attachment elbow 40 , and overlaps the rear end side surface 14 b of the side handle 14 here. In addition, the rear end upper surface 14c of the side handle 14 forms a curved surface protruding upward (see FIGS. 6 and 7 ). Reference numeral 45 is a protrusion on which a nut for fixing the bolt 34 overlaps the upper end of the support column 33 .

As shown in Figures 6 and 7, the installation elbow 40 of the luggage rack 15 is fixed on the pillar 32 together with the seat 11, and the armrest bar 16 is installed on the protrusion 36 of the luggage rack 15, and then the luggage rack 15 and the The connecting part of handrail bar 16 is covered with connecting cover, has just finished the installation of luggage rack 15 and handrail bar 16 like this. At this time, the luggage rack 15 inserts the installation elbow 40 to the rear end of the side handle 14. By overlapping the rear end side 14b of the side handle 14 with the outside of the recess 43, it is determined that the bolts of the pillar 41 are inserted. The position where the hole 42 overlaps with the bottom of the hole 23 .

As shown in Fig. 7 and Fig. 10, the left and right pillars 41 arranged on the luggage rack 15 are respectively positioned under the rear end portion of the accessory cover 21, and the bolt insertion holes 42 are connected to the rear end of the accessory cover 21. The holes 23 provided on the left and right of the upper and lower parts are overlapped, and are consistent in the up and down direction. At the same time, these can be overlapped on the pillar 32 and fixed together. In addition, FIG. 10 is a perspective view viewed obliquely from above with the hole 23 on the left side of the rear end portion of the auxiliary equipment cover 21 partially cut away.

Fig. 11 is the figure explaining the structure of this fixing together, and support 32 is positioned at the below of support 41, and the nut 46 that is welded on its top end coincides with bolt insertion hole 42 and hole 23 in the up and down direction, and is fixed with bolt 47 from above. Three members are fastened together at one time. A pair of struts 32 are provided, which have substantially the same shape as the struts 41 and extend from the left and right sides of the frame rear portion toward the center side in the vehicle width direction, respectively.

12 shows the cross-sectional structure of the side handle 14. The side handle 14 protrudes upward from the side of the auxiliary equipment cover 21 and extends outward obliquely downward to form a substantially inverted U-shaped cross section. However, the outer side has a structure that extends downward far longer than the inner side, and a relatively large recess space 48 is formed inside the outer side.

The recessed space 48 is formed so that when the stand is supported by the main stand 19 , the lower end of the side handle 14 can be grasped by putting a hand into the space. In addition, the upper end portion of the rear cover 13 protrudes into the recessed space 48 , and the recessed space 48 is enlarged by recessing its side surface into the vehicle body inner side.

Fig. 13 shows the connection state along the section of each ridge line 14a and 15a of the side handle 14 and the luggage rack 15. Since each ridge line 14a and 15a sandwiches the connecting line 27 to form a curved surface along the continuous curved surface 50, therefore The connecting portions of the side handle 14 and the luggage rack 15 form one surface with each other.

Fig. 14 shows the cross-section of the connection state of the handrail bar 16 and the luggage rack 15, showing the connection state on the section along each ridge line 14a and 15a, due to the side lower part of the handrail bar 16 and the connection cover 25 and the luggage rack 15 Each surface of the upper part of the side is along the continuous common plane 51 sandwiching the connection line 27, so forming a surface. In addition, the connecting cover 25 is also passed between the side handle 14 and the grab bar 16 which are omitted in the figure, and a continuous line 27 is interposed to form one surface.

Next, the action of this embodiment will be described. As shown in Figures 4 and 5, if the luggage rack 15 is installed on the side of the vehicle body, and the armrest bar 16 is installed on the luggage rack 15, then its connecting lines 26, 27, 28 are connected to form a Y shape when viewed from the side, and the three components are on the same surface. Therefore, these three members can be integrated into one body from the appearance point of view, resulting in an excellent design.

In addition, since the luggage rack 15 can be directly attached to the vehicle body side under the seat 11, the attachment rigidity is improved. In addition, since the seat 11 and the luggage rack 15 can be fixed together, the number of parts and the number of assembling steps can be reduced. And will change a part because of local damage, or use armrest bar 16 as backrest, perhaps under the situation that luggage rack 15 is done bigger etc. need to change, because luggage rack 15, armrest bar 16 can be replaced respectively , so it is very economical.

In addition, since the handle 14 is provided at the front position of the luggage rack 15, when the main frame 19 is erected and parked, the vehicle body can be grasped in a well-balanced position, and the frame can be easily erected. However, it can also be used as a handle when the stand is not supported. In this case, the handle can generally be held on the side of the vehicle body that is closer to the front of the vehicle body than the rear wheels 8 when moving the vehicle body, so the operability is good. Furthermore, since the grab bar 16 is attached near the vehicle body side attachment position of the luggage rack 15, the attachment rigidity of the grab bar 16 is also improved.

Furthermore, since the luggage rack 15 and the rear end portion of the auxiliary equipment cover 21 provided on the storage box 10 are all fixed to the rear frame 3a of the vehicle body frame 3, the number of parts and the number of assembling steps can be reduced.

In addition, the present invention is not limited to the above-mentioned embodiments, and various modifications or applications are possible. For example, the storage box does not necessarily have a cover for auxiliary equipment and the like. In this case, a side handle may be protruded sideways from the upper end opening edge of the storage part of the storage box. In addition, it is not necessarily a vehicle for two people, but a vehicle for one person is also possible, and a handrail is not necessarily required. In the case of omitting the armrest bar 16, it is also possible to provide a safety belt on the seat instead of the handle. Also, in the case of a vehicle for one person, the seat belt itself is not required.

Claims (5)

1. A body structure of a two-wheeled motorcycle, a storage box is set under the seat, and a luggage rack is set under the seat, it is characterized in that: The above-mentioned storage box opens toward the top, and at the same time, the side handle that is folded from the upper end of the rear side of the storage box to the outside and extends downward is arranged on the side of the rear part of the vehicle body. The front end of the luggage rack is inserted toward the rear end of the side handle to overlap the inside of the side handle, and at the same time, the appearance part of the luggage rack that does not overlap with the side handle and the rear of the side handle The ends are connected to form a surface. 2. The body structure of a two-wheeled motorcycle according to claim 1, wherein said luggage rack is fixed to the body frame together with the storage box. 3. The body structure of a two-wheeled motorcycle according to claim 1, wherein said side handles serve as handshake parts when the stand is erected. 4. The body structure of a two-wheeled motorcycle according to any one of claims 1-3, characterized in that: the above-mentioned storage box has a front receiving portion and a rear cover portion, and the side of the cover portion is provided with the above-mentioned Side handles. 5. The body structure of a two-wheeled motorcycle according to claim 1, wherein an armrest bar is attached near the connecting portion of the luggage rack to the side handle, and the connecting portion of these three members forms a single surface.

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