CN1075010C - Installation structure of rear hood for small motorcycle type vehicle - Google Patents

Abstract

In order to firmly support the rear cover extending from the rear end of the seat to the lower rear of the vehicle body on the scooter type vehicle, the sub-frame extending from the rear end of the main frame 4 arranged below the seat 23 to the lower rear 27, with a pair of left and right tubular members 28 _L , 28 _R fixed on the main frame 4 with bolts 31; these tubular members 28 _L , 28 _R are connected to the main frame 4 with a pair of left and right reinforcement frames 32 _L , 32 _R . The rear portion of the large rear cover 12 covering the outside of the main frame 4 and the sub-frame 27 is inclined backward and downward along the upper surface of the sub-frame 27 , and its rear end is fixed on the sub-frame 27 with bolts 62 . A rear trim 58 is attached to the rear lower edge of the rear cover 12 .

Description

Rear cover mounting structure of scooter type vehicle

The present invention relates to a scooter type vehicle having a rear cover covering the rear of its vehicle body, and more particularly to its rear cover mounting structure.

This rear cover mounting structure, for example, is found in Japanese Patent Publication No. 7-88185. This structure, by the rear end of a pair of left and right main vehicle frames that is arranged below the vehicle seat, extends the load-carrying frame from the front to the rear upward, and supports the large article storage box on the top of this load-carrying frame.

But above-mentioned existing structure, because load-carrying frame also is to be extended from front to rear upper direction by the rear end of main vehicle frame, will make rear cover size increase like this, and extend to vehicle body rear bottom, and load-carrying frame is superlong, rigidity reduces; Rigidity, reinforcement measures will be taken to make the weight increase.

The present invention is aimed at firmly supporting the rear cover extending from the rear end of the seat to the lower rear of the vehicle body in view of the aforementioned facts.

In order to achieve the above object, the rear cover mounting structure on the scooter type vehicle described in claim 1 of the present invention is characterized in that, on a scooter type vehicle in which the rear cover covers the rear portion of the vehicle body, the subframe is arranged from the seat The rear ends of the pair of left and right main frames below extend rearward and downward, and the rear ends of the rear cover that covers the upper rear wheel and extends rearward from the lower side of the seat are supported on the rear end of the sub-frame.

In addition, the rear cover installation structure on the scooter type vehicle described in claim 2 of the present invention is characterized in that, on the basis of the structure of claim 1, in addition, a storage box that is opened and closed by the seat is provided inside the rear cover. The box has an upper edge of the rear cover bent upward at an intermediate portion in the front-rear direction of the vehicle body along the opening of the storage box.

Furthermore, the rear cover installation structure on the scooter type vehicle described in claim 3 of the present invention is characterized in that, on the basis of the constitution of claim 1, in addition, the aforementioned main frame and sub-frame are mutually reinforced by a reinforced frame. Connect and support the inner fender covering the upper part of the rear wheel in the rear cover by the aforementioned reinforcement frame.

And according to the rear cover structure on the scooter type vehicle described in the claim 4 of the present invention, it is characterized in that, on the basis of the composition of the claim 1, a rear ornament is provided at the rear lower edge of the aforementioned rear cover.

Fig. 1 is an overall side view of a small motorcycle type motorized two-wheeled vehicle; Fig. 2 is a 2-direction view of Fig. 1; Fig. 3 is a state diagram of taking off the rear cover in Fig. 2; Fig. 4 is a sectional view of 4-4 of Fig. 2; Fig. 5 It is an enlarged view of the main part of Fig. 4; Fig. 6 is a sectional view of 6-6 in Fig. 5; Fig. 7 is a sectional view of 7-7 in Fig. 5; Fig. 8 is an enlarged sectional view of 8-8 in Fig. 2; -9 enlarged sectional view; FIG. 10 is a front view of the rear cover; FIG. 11 is a sectional view of 11A-11A, 11B-11B, 11C-11C of FIG. 10; FIG. 12 is a rear view of the rear cover.

Next, embodiments of the present invention will be described with reference to the embodiments of the present invention shown in the drawings.

1-12 illustrate an embodiment of the present invention. Fig. 1 is an overall side view of a small motorcycle type motorized two-wheeled vehicle; Fig. 2 is a 2-direction view of Fig. 1; Fig. 3 is a state diagram in which the rear cover is removed in Fig. 2; Fig. 4 is a sectional view of 4-4 of Fig. 2; Fig. 5 is an enlarged view of the main part of Fig. 4; Fig. 6 is a sectional view of 6-6 of Fig. 5; Fig. 7 is a sectional view of 7-7 of Fig. 5; Fig. 8 is an enlarged sectional view of 8-8 of Fig. 2; 9-9 enlarged sectional view; FIG. 10 is a front view of the rear cover; FIG. 11 is a sectional view of 11A-11A, 11B-11B, 11C-11C in FIG. 10; FIG. 12 is a rear view of the rear cover.

As shown in Fig. 1, the steel pipe welded member F constituting the V-shaped skeleton of a small motorcycle-type motor two-wheeler includes: a head pipe 1; a diagonally downward joint that is connected to the head pipe 1 through gussets 2 and 2 and extends toward the rear and downward of the vehicle body. Tube 3; the left and right main frames 4, 4 are separated from the vicinity of the lower end of the slanted down tube 3, extend to the upper rear of the vehicle body, are bent into a U shape at the rear end, and are connected into one. The front parts of the left and right main frames 4, 4 are connected with the lower ends of the slanted down tubes 3 by a pair of reinforcing tubes 5, 5; The extended first cross member 6 and the second cross member 7 are connected.

The synthetic resin vehicle body B supported on the frame F includes: a leg shield front member 8 covering the front of the head pipe 1; a leg shield rear member 9 connected to the rear of the leg shield front member 8 and covering the rear of the head pipe 1 the pedal 10 connected to the lower end of the leg guard rear member 9; the lower cover 11 connected to the lower end of the leg guard front member 8 and covering the lower side of the pedal 10; the rear cover 12 covering the rear of the vehicle body; The left and right side covers 13,13 that start to be connected with the rear end of pedal 10 and lower cover 11 from the left and right fronts.

At the lower end of the front fork 14 rotatably supported on the head pipe 1, the front wheel Wf covered by the front fender 15 is pivotally supported; The upper surface of the handle post 17 extending upward from the upper plate 16 of the opening is connected to the middle portion in the left-right direction of the handle 18 . A headlight 19 and a speedometer 20 are supported on the handlebar pillar 17; in addition, a handlebar locking device 21 having an integral ignition switch is supported on the right side of the head pipe 1.

The rear wheel W _r is pivotally supported on the front end of the power part P at its rear end, which can freely swing up and down on the first cross member 6; On the upper surface of the rear cover 12, a seat 23 for a driver is provided.

Next, the structure of the rear frame of the V-shaped vehicle body of the two-wheeled motor vehicle will be described.

As shown in FIGS. 2-5 , the rear parts of the left and right main frames 4 , 4 extending along the lower part of the vehicle seat 23 are bent inwardly to approach each other, and the opposite ends are welded together by connecting members 25 . The front end of the subframe 27 is connected to the mounting bracket 26 welded to the rear end of the main frame 4,4. The subframe 27 has a pair of left and right tubular members 28 _L , 28 _R , and these tubular members 28 _L , 28 _R are integrally connected by welding the first connecting member 29 and the second connecting member 30 at the rear thereof. The front ends of the left and right tubular members _28L , _28R are pressed into flat bodies, and these flat bodies are respectively connected to the aforementioned mounting bracket 26 with two bolts 31 on the left and right.

The sub-frame 27 extends from the rear end of the main frame 4, 4 that extends upward and backward, and its middle part in the front-rear direction is connected with the main frame 4, 4 by a pair of left and right reinforcement frames _32L , _32R stand up. The rear end is welded to the left tubular member 28 _L , and the front end is connected to the left reinforcing frame 32 _L of the left main frame 4 with bolts 33 , which is better than the rear end welded to the right tubular member 28 _R , and the front end is connected with bolts 33 The right reinforcing frame 32 _R of the right main frame 4 is shorter, thereby, the front end of the left reinforcing frame 32 _L is also closer to the vehicle body rear than the front end of the right reinforcing frame 32 _R.

As shown in FIG. 3 , the inner fender 34 covering the upper portion of the rear wheel W _r is fitted inside the left and right reinforcement frames 32 _L , 32 _R of the subframe 27 . Inner fender 34, the mounting bracket 35 erected in the middle of it is fixed on the connecting member 25 of the aforementioned main frame 4, 4 with bolts 36 (refer to Fig. 3, Fig. 5 and Fig. 6); The upper portion is fixed to the left and right tubular members _28L , _28R of the subframe 27 through a pair of tongues 37, 37 (refer to FIGS. 3-5 ). The oil tank 38 is supported on the front right side of the inner fender 34; and the battery 39 is placed in the box-shaped battery placement part 34 ₁ integrally formed on the front center.

The pebbles etc. splashed by the rear wheel _Wr can effectively protect the aforementioned lubricating oil tank 38 and battery 39 due to the shielding of the inner fender. In addition, the rigidity of the subframe 27 can be reinforced by the pair of left and right reinforcement frames _32L , _32R , and the loads such as the oil tank 38 and the battery 39 can be protected from the vehicle body side. In particular, since the inner fender 34 is combined with the sub-frame 27, the rigidity of the inner fender 34 and the sub-frame 27 are improved together.

Next, the structure of the rear cover 12 covering the main frames 4, 4 and the sub frame 27 will be described.

As shown in FIG. 10 , the rear cover 12 is divided into two parts, the left half of the rear cover 12 _L and the right half of the rear cover 12 _R , according to the center plane of the vehicle body. An opening 41 is formed on the upper surface of the rear cover 12 for mounting a storage box 40 which will be described later. The front side joint portion of the rear cover left half body 12 _L and the rear cover right half body 12 _R will overlap each other without gaps and steps. That is, as shown in FIG. 11(A), a part of the junction is formed on the front of the step 12 ₁ formed on the right half of the rear cover 12 _R and overlaps the left half of the rear cover 12 _L . In addition, as shown in FIG. 11(B), a part of the junction is to overlap the mounting bracket ₁₂₂ formed on the right half body 12R of the rear cover with the mounting bracket ₁₂₃ formed on the left half body _12L of the rear cover. , the two mounting brackets 12 ₂ , 12 ₃ are combined by passing through the pin 42 . As shown in Figure 11 (C) again, a part of its junction is the rear cover right half body 12 _R that overlaps behind the step 12 ₄ formed on the rear cover left half body 12 _L , and the rear cover right half body 12 _R is put on The formed protrusions ₁₂₅ are matched with the holes of the aforementioned steps ₁₂₄ , so as to be combined.

As shown in Figure 12, the rear side joint portion of the rear cover left half body 12 _L and the rear cover right half body 12 _R forms a frame mounting hole 43, a louver mounting hole 44, and a tail light sequentially from the rear end of the opening 41. Mount 45. At the back of the tail light mounting seat 45, the right half body 12 _R of the rear cover is overlapped behind the step 12 ₆ protruding from the left half body 12 _L of the rear cover, and due to the cooperation of the protrusion 12 ₇ formed on the right half body 12 _R of the rear cover In the hole of the aforementioned step ₁₂₆ , the two halves _12L , _12R are positioned immediately. A through-hole 45 ₁ for penetrating electrical wiring is formed at the center of the tail light mounting base 45 , and three tail light mounting holes 45 ₂ , 45 ₃ , and 45 ₄ are formed around it. In addition, two bracket mounting holes 12 ₈ , 12 ₉ are formed on the left and right sides of the tail lamp mounting base 45 .

It can be seen from Fig. 5 and Fig. 6 that the aforementioned frame mounting hole 43 of the rear cover 12 is formed at the overlapped portion of the left half body _12L of the rear cover and the right half body _12R of the rear cover, and passes through the frame mounting hole 43 from above. Bolts 46 are threaded into nuts 47 welded to the underside of mounting bracket 26 . In addition, the louver 48 that fits into the louver mounting hole 44 of the rear cover 12 from below is fixed by two pressing pieces 49 , 49 .

As can be seen from FIGS. 3-5 , a plate-shaped taillight mounting bracket 50 is superimposed on the first connecting member 29 of the sub-frame 27 , and is fixed together with the rear cover 12 superimposed thereon. That is, two bolts 51,51 inserted into the aforementioned two bracket mounting holes 12 ₈ , 12 ₉ (referring to FIG. 12 ) formed on the rear cover 12 from above pass through the tailstock mounting bracket 50 and the first connecting structure. 29 and screwed into the nuts 52, 52 welded on the lower side of the first connecting member 29.

As can be seen from Fig. 5 and Fig. 7, under the mounting bracket 54 integrally arranged at the bottom of the tail light 53, three rubber pads 55... are installed, and three bolts passing through the three rubber pads 55... are installed. 56, through the three tail light mounting holes 45 ₂ , 45 ₃ , 45 ₄ formed on the tail light mounting seat 45 of the rear cover 12 (refer to FIG. 12 ), and the tail light mounting bracket 50, and screw in the nuts 57 . . . Accordingly, the installation support frame 54 and the rear cover 12 are jointly fixed on the tail light installation bracket 50 .

As shown in FIGS. 2 and 5 , a rear decoration 58 is installed along the lower edge of the rear portion of the rear cover 12 . The rear ornament 58 is a roughly U-shaped component when viewed from above, and is divided into two parts: the lower half of the rear ornament 58 _L and the upper half of the rear ornament 58 _u through the interface along the horizontal direction, wherein the lower half of the rear ornament 58 _L is fixed on the rear cover 12 at two places on the right and one place at the rear.

That is, as shown in FIGS. 5 and 8 , nuts 59, 59 are pre-installed on the mounting seats 12 ₁₀ , 12 ₁₀ protruding from the lower edges of the rear cover left half body 12 _L and the rear cover right half body 12 _R , By passing the bolts 61, 61 through the pre-installed rubber gaskets 60, 60 on the lower half body 58 _L of the rear trim from below, and screwing in the aforementioned nuts 59, 59, the left and right sides of the lower half body 58 _L of the rear trim The part is fixed on the rear cover 12. In addition, it can be seen from Fig. 5 and Fig. 12 that the rear cover 12 and the lower half body 58 _L of the rear trim are superimposed on the rear of the second connecting member 30 of the sub-frame 27, and the two bolts 62 inserted from the rear , 62 are screwed into the nuts 63, 63, and the rear cover 12 and the lower half of the rear decoration 58 _L are jointly fixed on the aforementioned second connecting member 30. At this time, the rear trim lower half 58L is supported by the bolts 62 , 62 via the rubber packings 64 , 64 .

It can be seen from Fig. 2 and Fig. 9 that the upper half body 58 _U of the rear ornament is superimposed on the lower half body 58 _L of the rear ornament, and the eight bolts 65 passing through the lower half body 58 _L of the rear ornament from below... Screw in 8 nuts 66 ... embedded in the upper half body 58 _U of the rear trim, and fix it. Because the rear trim 58 is installed along the rear portion lower edge of the rear cover 12, the effect of strengthening the rear cover 12 can be played, and simultaneously, the effect of a bumper can also be played for the rear of the vehicle body.

The aforementioned rear cover 12 descends smoothly from the rear end of the vehicle seat 23 while extending to the rear of the rear wheel _Wr , which not only reduces the air resistance due to its rectification effect, but also effectively prevents the rear wheel _Wr from splashing. The sediment pollutes the vehicle body. In addition, the subframe 27 is supported in a manner extending rearward and downward from the rear ends of the main frames 4, 4, and the rear end of the rear cover 12 covering the main frames 4, 4 and the sub frame 27 is fixed to the sub frame. The rear end of the vehicle frame can therefore support the large rear cover 12 extending from the vehicle body rear lower side lightly and firmly with the smallest possible subframe 27. And with respect to main frame 4,4, because auxiliary frame 27 is made of other components, main frame 4,4 can be made smaller, not only can support large rear cover 12, and can utilize existing Assembly line for assembly.

As shown in FIGS. 2 and 4 , the storage box 40 is placed in the rear cover 12 in a state where its periphery fits into the opening 41 of the rear cover 12 (see FIGS. 10 and 12 ). At the front of the storage box 40 is provided a helmet storage portion 40 ₁ formed with a deep vertical dimension, where items such as a helmet H can be placed. A raised portion 40 ₂ having a flat upper surface is provided consecutively on the rear side of the helmet storage portion 40 ₁ . The front end of the helmet storage portion ₄₀₁ is fixed to a bracket 67 with two bolts 67, 67, and the bracket 67 is fixed to the first cross member 6. In addition, the front end of the protruding portion ₄₀₂ is fixed to the bracket 69 with two bolts 70 , 70 , and the bracket 69 is fixed to the second cross member 7 .

On the bottom plate of the helmet storage part ₄₀₁ , a cover 71 that can be freely opened and closed for maintenance of the engine glow plug is opened. In addition, a cover 72 that can be freely opened and closed for maintaining the battery 39 is opened on the upper surface of the raised portion ₄₀₂ , and the cover ₃₈₁ of the oil tank is exposed to the outside. Since the cover of the maintenance battery 39 is set on the bulge ₄₀₂ substantially equal to the upper end of the storage box 40, compared with the case where the cover 72 is set at the bottom of the storage box 40, not only the cover 72 is easy to open and close; Ensure that there is enough space to configure the battery 39 below it; and the sense of unity between the storage box 40 and the raised portion ₄₀₂ is enhanced, and the appearance performance is improved.

As shown in FIG. 4 , the front end of the seat 23 covering the opening 41 of the rear cover 12 is pivotally supported on the rear cover 12 through a hinge 73 so that it can be freely opened and closed. The opening 41 of the rear cover 12 covered by the seat 23 is bent upward at the middle portion in the front-rear direction, and the bottom plate of the seat 23 is also bent along the bending direction of the opening 41 . As a result, the upper and lower thickness of the middle portion in the front-rear direction of the seat 23 is reduced, the weight can be reduced, and the seat 23 can be opened and closed with a small force. In addition, when the rear end of the seat 23 is pressed down and locked by a locking mechanism not shown in the figure, the aforementioned opening 41 is sealed by the bending of the middle part of the front and rear direction of the seat 23, and the aforementioned locking operation also Easier.

As mentioned above, although the Example of this invention was described in detail, various design changes are possible in this invention in the range which does not deviate from the summary.

For example, the subframe 27, which is mainly composed of tubular members 28 _L , 28 _R in the embodiment, may also be made of steel sheet pressing or aluminum die casting. In addition, in the embodiment, the reinforcing frames 32 _L , 32 _R are welded to the tubular members 28 _L , 28 _R of the subframe 27; they may also be connected by bolts.

As mentioned above, in the invention according to claim 1, since the sub-frame is extended from the rear ends of the pair of left and right main frames arranged under the seat to the rear and downward, and the side of the lower part of the seat is covered The rear end of the rear cover on the upper part of the rear wheel and extending backward is supported on the rear end of the aforementioned sub-frame. Even a large rear cover that requires a high effect of preventing mud splashing and air rectification can be made as small as possible by the rear cover. The frame is supported. Moreover, compared with the main frame, since the sub-frame is constituted as a separate component, not only the assembly line space is solved as before, but also because the sub-frame can absorb the impact from the sides and rear of the vehicle body, it can The impact on the main frame is greatly reduced.

In addition, according to the invention described in Scheme 2, since the storage box opened and closed by the vehicle seat is opened inside the rear cover, and the upper edge of the rear cover along the opening of the storage box is bent upward in the middle part of the front and rear direction of the vehicle body. , not only the capacity of the storage box is increased, but also the upper and lower thickness of the middle part of the seat is thinned, the weight is reduced, and the opening and closing operation is easy. In addition, when the upper seat is closed, the seat bends at the middle part where the upper and lower thicknesses become thinner, and the airtightness of the opening to the storage box is improved, and the seat is easy to close.

Furthermore, as according to the invention described in scheme 3, since the main frame and the subframe are connected to each other with a reinforcing frame, the inner fender covering the upper part of the rear wheel in the rear cover is supported by the aforementioned reinforcing frame, not only the auxiliary frame The support rigidity of the frame is improved, and the load in the rear cover can be protected from damage such as small stones splashed by the rear wheels by the inner fender.

Also, according to the invention described in claim 4, since the rear trim is provided on the rear lower edge of the rear cover, it can function as a bumper to the rear of the vehicle body.

Claims (4)

1. the installation structure of rear hood of a small size motorcycle covers (12) afterwards and is covered with on the small size motorcycle of body tail, it is characterized in that,

Subframe (27) is extended to the back lower place from the rear end of the pair of right and left main car frame (4) that is disposed at vehicle seat (23) below, will cover the top of trailing wheel (Wr) from the bottom side of vehicle seat (23) and the rear end of the back cover (12) that rearward extends is supported on the rear end of aforementioned auxiliary vehicle frame (27).

2. the installation structure of rear hood of the small size motorcycle of recording and narrating by claim 1, it is characterized in that, be provided with in the inside of aforementioned back cover (12) by vehicle seat (23) and implement the wanigan (40) that opens and closes, will be along the upper limb of the back cover (12) of the opening of wanigan (40) pars intermedia K/UP at the vehicle body fore-and-aft direction.

3. the installation structure of rear hood of the small size motorcycle of recording and narrating by claim 1, it is characterized in that, aforementioned main car frame (4) and subframe (27) are by deep framing (32L, 32R) it is interconnected, in back cover (12) inside, the inner fender that covers trailing wheel (Wr) top is by aforementioned deep framing (32L, 32R) supporting.

4. the installation structure of rear hood of the small size motorcycle of recording and narrating by claim 1 is characterized in that, is provided with back ornament (58) at the rear portion lower edge of aforementioned back cover (12).

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