JP2020169006A - Rear structure of saddle-type vehicle - Google Patents

Abstract

To shorten a length of a rear of a vehicle.SOLUTION: A saddle-type vehicle 1 includes a seat framework 51 for supporting a seat 5 on which a passenger sits, where the seat framework 51 is covered with a rear cowl 44. In the saddle-type vehicle, the rear cowl 44 includes an opening part 100a which exposes a taillight part 50. The taillight part 50 has: a housing 201 supported by a vehicle body; and a lens section 205 covering a source of light 202a accommodated in the housing 201 and transmitting light of the source of light 202a. The housing 201 includes a base part 201b which is placed in the outside of a vehicle width direction of at least the seat framework 51 and extends in a front and back direction of the vehicle body along the seat framework 51. At least the lens part 205 is separately provided on both sides in the vehicle width direction, overlaps with the seat framework 51 when viewed from the outside of the vehicle width, extends in the front and back direction of the vehicle body, and is arranged so that 2/3 or more of a length L4 of the lens part 205 in the front and back direction of the vehicle body overlaps with the seat framework 51.SELECTED DRAWING: Figure 2

Description

The present invention relates to the rear structure of a saddle-mounted vehicle.

Patent Document 1 describes a vehicle in which a seat frame for supporting a seat on which an occupant sits is provided, a light unit is arranged behind the rear end of the seat frame, and the light unit and the seat frame are covered by a rear cowl. ing.

Japanese Unexamined Patent Publication No. 2006-240619

The tail light requires a space in the housing to accommodate parts such as a substrate and a light source, and has a structure having a predetermined length in the vertical direction and the front-rear direction. Therefore, conventionally, the tail light extends rearward from the rear end of the seat frame. Arranged like this. In order to further make the vehicle more compact, it is conceivable to change the position of the lamp body, but it is difficult to shorten the length of the seat frame, which is a rigid body that supports the seat, and the lamp body. Must be located at a predetermined height, limiting the range of movement. Further, even if the height position of the lamp body can be secured and there is a space below the seat frame that can be moved, the space below the seat frame is a space where the rear tire swings. Therefore, it is difficult to move the position of the lamp body so as not to affect the position of the frame, the swing arm, and the structure and layout of other vehicle body components.

The present invention has been made in view of the above problems, and an object of the present invention is to realize a rear structure of a saddle-riding vehicle capable of shortening the length of the rear portion of the vehicle.

In order to solve the above problems and achieve the object, the first embodiment according to the present invention includes a seat frame (51) that supports a seat (5) on which an occupant sits, and the seat frame (51) is a rear cowl. In the saddle-riding vehicle (1) covered by (44), the rear cowl (44) is provided with an opening (100a) that exposes the tail light portion (50), and the tail light portion (50) is supported by the vehicle body. The housing (201) is provided, and the housing (201) has a lens portion (205) that covers the light source (202a) housed in the housing (201) and transmits the light of the light source (202a). Is located at least outside the vehicle width of the seat frame (51), includes a base portion (201b) extending in the front-rear direction of the vehicle body along the seat frame (51), and at least the lens portion (205) is a vehicle. Separately provided on both sides in the width direction, it overlaps with the seat frame (51) and extends in the front-rear direction of the vehicle body when viewed from the outside of the vehicle width, and the length of the lens portion (205) in the front-rear direction of the vehicle body. Two-thirds or more of (L4) is arranged so as to overlap the seat frame (51).

Further, in the second embodiment according to the present invention, in the first embodiment, the housing (201) is separately provided on both side portions in the vehicle width direction, and the length of the tail light portion (50) in the vehicle body front-rear direction is long. (L3) is arranged so as to overlap the seat frame (51) by 2/3 or more.

Further, in the third mode according to the present invention, in the first or second mode, the seat frame (51) has a pair of seat pipes (52) extending in the front-rear direction of the vehicle body and the pair of seat pipes (52). The housing (201) includes a base portion (201b) located on the outer side of the seat frame (51), including a cross frame (53) connecting the rear end portions, and the pair of seat pipes (52). A space (55) is formed between the two.

Further, in the fourth embodiment according to the present invention, in the first or second embodiment, the rear end portion (P1) of the seat (5) is a vehicle body rather than the rear end portion (P2) of the seat frame (51). It is located rearward, and the rear end portion (P3) of the tail light portion (50) is located rear of the vehicle body with respect to the rear end portion (P1) of the seat (5).

Further, in the fifth embodiment according to the present invention, in the first or second embodiment, the seats (4, 5) are separate from the main seat (4) on which the driver sits and the main seat (4). The maximum width portion (P5) of the tail light portion (50) having the maximum length in the vehicle width direction, including the sub-seat (5) on which the passenger rides, is the sub-seat (5). ) Is outside the vehicle width from the maximum width portion (P6) where the length in the vehicle width direction is maximum, and the maximum width portion (P7) where the length of the main seat (4) in the vehicle width direction is maximum. It is located inside the width of the vehicle.

Further, in the sixth embodiment according to the present invention, in the fifth embodiment, the maximum width portion (P6) at which the length of the sub-seat (5) in the vehicle width direction is maximum is larger than that of the seat frame (51). The distance (P5) from the center (P8) of the seat frame (51) to the maximum width portion (P5) of the tail light portion (50) in the vehicle width direction, which is located outside the vehicle width. D2) is smaller than the distance (D1) from the center (P0) of the sub-seat (5) in the vehicle width direction to the maximum width portion (P6).

Further, in the seventh embodiment according to the present invention, in any one of the first to sixth embodiments, the rear cowl (44) is a pair of side cowls (101) separately provided on both side portions in the vehicle width direction. ), The bottom cowl (102) connecting the lower portions of the pair of side cowls (101), the rear end portions of the pair of side cowls (101), and the rear end portion of the bottom cowl (102). The tail light portion (50) to which the rear cowl (44) is connected is inserted from the rear end portion of the seat frame (51) and includes the rear end cowl (103) connected to the seat frame (51). ) Is connected.

Further, in the eighth embodiment according to the present invention, in any one of the first to seventh embodiments, the separate tail light portion (50) is engaged with each other of the tail light portion (50). It is connected to the seat frame (51) in a state of being connected by the portion (210).

Further, in the ninth aspect according to the present invention, in the third aspect, the housing (201) is positioned at a position where the housing (201) passes through the central axis (P9) of the seat pipe (52) with respect to the seat frame (51). Be connected.

Further, in the tenth aspect according to the present invention, in any one of the first to ninth forms, the tail light portion (50) includes a light source substrate (202) on which a light source (202a) is mounted and the light source. It has a driver substrate (203) for driving (202a), and the light source substrate (202) and the driver substrate (203) are arranged in a space formed by the housing (201) and the lens portion (205). To.

Further, in the eleventh embodiment according to the present invention, in the third or ninth embodiment, the driver substrate (203) is housed in the housing (201) and the central axis of the seat pipe (52) (52). It is located above P9).

According to the present invention, the length of the rear part of the vehicle can be shortened.

Specifically, according to the first aspect of the present invention, most (2/3 or more) of the lens portion (205) is arranged so as to overlap the seat frame (51) when viewed from the side of the vehicle body. Since at least the tail light unit (50) can be arranged on the front side of the vehicle body, the amount of protrusion of the tail light unit (50) to the rear can be reduced, and a compact vehicle having a short rear length can be obtained. ..

Further, according to the second aspect of the present invention, since the entire tail light unit (50) can be arranged on the front side of the vehicle body, the amount of protrusion of the tail light unit (50) to the rear can be suppressed. The front-rear length of the rear part of the vehicle body can be shortened.

Further, according to the third aspect of the present invention, it is possible to form a space partitioned by the seat pipe (52) and the cross frame (53) between the tail light units (50).

Further, according to the fourth aspect of the present invention, the seat (5) is firmly supported by the seat frame (51), and the tail light unit (50) is positioned rearward with a minimum amount of protrusion to be visually recognized. It has good properties and can be made into a compact shape.

Further, according to the fifth aspect of the present invention, since the tail light unit (50) has a protrusion to the outside of the vehicle width, visibility can be improved and the amount of protrusion can be suppressed to a minimum.

Further, according to the sixth aspect of the present invention, the tail light unit (50) is arranged so as to overlap the sub seat (5) when viewed from above the vehicle body, and is outside the vehicle width of the tail light unit (50). The amount of overhanging to the can be minimized.

Further, according to the seventh aspect of the present invention, the rear cowl (44) and the tail light unit (50) can be integrally configured and connected to the seat frame (51), so that the assembling property to the vehicle body is improved.

Further, according to the eighth aspect of the present invention, the rear cowl (44) and the tail light unit (50) can be supported easily and with rigidity.

Further, according to the ninth aspect according to the present invention, the tail light unit (50) bulges in the vehicle width direction by fastening the housing (201) on the central axis (P9) of the seat pipe (52). The amount is reduced, and the left and right tail light units (50) can be easily fastened to the seat frame (51).

Further, according to the tenth aspect of the present invention, the configuration can be simpler than arranging the driver substrate (203) in addition to the housing (201).

Further, according to the eleventh embodiment of the present invention, the driver board (203) can be easily installed by securing the internal capacity of the housing (201) without being restricted by the shape of the seat frame (51).

It is a left side view which shows the overall appearance of the saddle-riding vehicle of this embodiment. The rear structure of the saddle-riding vehicle of the present embodiment is viewed from above the vehicle body (a), and the sub-seat and the rear cowl are shown from (a) and (a) showing the state in which the sub-seat is removed. It is a figure (c) which shows the removed state, and the figure (d) which is seen from the rear of the vehicle body. It is an external view of the tail light assembly of the saddle-riding vehicle of this embodiment, and is a view (a) seen from above, a view (b) seen from below, and a view (c) seen from the left side. It is an external view of the tail light assembly of the saddle-riding vehicle of this embodiment, and is a view from the rear (a), a view from the front (b), and a view from above with the rear end cowl removed. (C). It is an external view of the tail light unit attached to the saddle-riding vehicle of the present embodiment, and is a view from the rear (a), a view from the left side (b), and a tail light unit alone from above. It is the figure (c) seen. The front view (a) and (a) of the tail light unit on the right side of the present embodiment show the state in which the outer lens is removed (b), and the view (c) showing the state in which the inner lens is removed from (b). is there. It is a top view (a) and the i-i cross-sectional view (b) of (a) which show the detailed connection structure of the tail light unit and the bottom cowl in the tail light assembly of this embodiment. It is a perspective view which shows the detailed connection structure of the tail light unit in the tail light assembly of this embodiment. It is a top view (a) and left side view (b), (c) explaining the positional relationship between the seat, the seat frame, and the tail light unit in the rear structure of the saddle-riding vehicle of the present embodiment. It is the top view (a) and the left side view (b) of the seat frame in the rear structure of the saddle-riding vehicle of this embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The following embodiments do not limit the invention according to the claims, and not all combinations of features described in the embodiments are essential to the invention. Two or more of the features described in the embodiments may be arbitrarily combined. In addition, the same or similar configuration will be given the same reference number, and duplicate description will be omitted.

Hereinafter, embodiments in which the saddle-riding vehicle of the present invention is applied to a motorcycle will be described in detail with reference to the accompanying drawings.

[overall structure]
First, with reference to FIG. 1, the overall configuration of the motorcycle of the present embodiment will be described. In the following, the directions such as front / rear, left / right, and up / down are the same as the directions with respect to the vehicle body unless otherwise specified.

FIG. 1 is a left side view showing the overall appearance of the saddle-riding vehicle of the present embodiment.

In the motorcycle 1, the engine 11 as a power unit is supported by the body frame 10, the front fork 12 supporting the front wheels 2 is steerably supported by the front end of the body frame 10, and the swing arm 13 supporting the rear wheels 3 is the vehicle body. This is a vehicle provided at the rear of the frame 10.

The motorcycle 1 is a saddle-riding vehicle in which the driver sits so as to straddle the main seat 4. The main seat 4 is provided above the rear of the vehicle body frame 10. Further, behind the main seat 4, a sub-seat 5 on which a occupant (passenger) other than the driver is seated is provided. The main sheet 4 and the sub sheet 5 may be configured separately or integrally.

The vehicle body frame 10 includes a head pipe 15 provided at the front end of the vehicle body frame 10, a pair of left and right main frames 16 extending rearward and downward from the head pipe 15, and a pair of left and right pivots extending downward from the rear end of the main frame 16. A frame 17 and a pair of left and right seat frames 51 extending rearward and upward from the upper part of the pivot frame 17 are provided.

Further, the vehicle body frame 10 includes a cross member (not shown) that connects the lower ends of the left and right pivot frames 17 in the vehicle width direction.

The main frame 16 includes an engine hanger portion (not shown) that extends downward from the front portion of the main frame 16 to support the engine 11.

The front fork 12 is pivotally supported by the head pipe 15 so as to be steerable to the left and right. A steering handle 21 is provided at the upper end of the front fork 12. The front wheel 2 is pivotally supported by an axle 2a provided at the lower end of the front fork 12.

The swing arm 13 is pivotally supported by a pivot shaft 22 supported by the left and right pivot frames 17. The pivot shaft 22 extends horizontally in the vehicle width direction. The front end of the swing arm 13 is pivotally supported by the pivot shaft 22, and swings up and down about the pivot shaft 22.

The rear wheel 3 is pivotally supported by an axle 3a provided at the rear end of the swing arm 13.

The engine 11 is arranged below the main frame 16 and in front of the pivot frame 17 and is supported by the vehicle body frame 10.

The engine 11 includes a crankcase 28 that supports a crankshaft 27 that extends horizontally in the vehicle width direction (left-right direction), and a cylinder 29 that extends forward and upward from the front portion of the crankcase 28. The cylinder axis 29a of the cylinder 29 tilts forward with respect to the vertical direction.

The rear part of the crankcase 28 is a transmission case for accommodating a transmission (not shown). The output of the engine 11 is transmitted to the rear wheels 3 via a drive chain 30 that connects the output shaft of the transmission and the rear wheels 3.

The air cleaner 31 is arranged above the rear of the cylinder 29. The air cleaner 31 is connected to an intake port on the rear surface of the cylinder 29 via a throttle body (not shown).

The exhaust pipe 32 of the engine 11 is pulled downward from the exhaust port on the front surface of the cylinder 29, passes under the engine 11, and extends rearward. The rear end of the exhaust pipe 32 is connected to the muffler 33 arranged on the side of the rear wheel 3.

The fuel tank 35 is arranged above the main frame 16 between the main seat 4 and the air cleaner 31.

The radiator 36 through which the cooling water of the engine 11 passes is arranged in front of the engine 11.

The motorcycle 1 has a front cowl 40 that covers the upper part of the front fork 12 and the head pipe 15 from the front as a body cover that covers the body components such as the body frame 10 and the engine 11, and a front that covers the front part of the vehicle body from the side. It includes a side cowl 41, an under cowl 42 that covers the engine 11 from below, a tank cowl 43 that covers a part of the air cleaner 31 and the fuel tank 35, and a rear cowl 44 that covers the rear part of the vehicle body.

The front fender 45 that covers the front wheel 2 from above is attached to the front fork 12.

The inner fender 46 that covers the front portion of the rear wheel 3 from above is attached to the swing arm 13.

The rear fender 47 that covers the rear portion of the rear wheel 3 from above extends rearwardly and downwardly from the rear end portion of the seat frame 51.

The step 48 on which the occupant of the main seat 4 puts his / her foot is supported by the pivot frame 17 and is arranged behind the pivot frame 17.

The headlight unit 49 is provided at the left and right front ends of the front cowl 40 and illuminates the front of the vehicle body.

The tail light unit 50 is provided at the left and right rear ends of the rear cowl 44 and illuminates the rear of the vehicle body.

<Rear structure>
Next, the tail light assembly 100 including the tail light unit 50 of the present embodiment will be described with reference to FIGS. 2 to 4 and 10.

FIG. 2 shows a state in which the rear structure of the saddle-riding vehicle of the present embodiment is viewed from above the vehicle body with the sub-seat removed from the external views (a) and (a), and is a sub from FIGS. (B) and (a). It is the figure (c) which shows the state which removed the seat and the rear cowl, and the figure (d) which is seen from the rear of the vehicle body. FIG. 3 is an external view of the tail light assembly of the saddle-riding vehicle of the present embodiment, which is a view from above (a), a view from below (b), and a view from the left side (c). Is. FIG. 4 is an external view of the tail light assembly of the saddle-riding vehicle of the present embodiment, which is a view from the rear (a), a view from the front (b), and an upper view with the rear end cowl removed. It is a figure (c) seen from. FIG. 10 is a top view (a) and a left side view (b) of the seat frame in the rear structure of the saddle-riding vehicle of the present embodiment.

In the motorcycle 1 of the present embodiment, the tail light units 50 are arranged symmetrically with respect to the center line P0 in the vehicle width (left and right) direction when viewed from the rear of the vehicle body. The left and right tail light units 50 are individually configured to irradiate light behind the motorcycle 1. The left and right tail light units 50 have a horizontally long outer shape that is short in the vertical direction and long in the left-right direction when viewed from the rear of the vehicle body, and is short in the vertical direction and long in the front-rear direction when viewed from the side of the vehicle body. It has an outer shape.

The tail light unit 50 constitutes a part of the tail light assembly 100 in a preassembled state with the rear cowl 44. The tail light assembly 100 extends rearward from the vehicle body frame 10 and is attached to a seat frame 51 that supports the main seat 4 and the sub seat 5. The tail light assembly 100 forms an opening 100a that exposes the lighting portion 206 (lighting portion) of the tail light unit 50, and blocks a portion other than the lighting portion 206.

As shown in FIG. 10, the seat frame 51 includes a pair of left and right seat pipes 52 extending rearward from the vehicle body frame 10, and a cross frame 53 connecting the rear ends of the left and right seat pipes 52 in the vehicle width direction. .. The seat pipe 52 may be composed of two left and right pipes or one seat pipe 52. The cross frame 53 has a support bracket 53a that supports a portion where the connecting portions 210 provided in the housing 201 of the left and right tail light units 50 in the tail light assembly 100 described later overlap.

The rear cowl 44 constituting the tail light assembly 100 includes a pair of left and right rear side cowls 101, a bottom cowl 102, and a rear end cowl 103. The bottom cowl 102 is connected between the lower edge portions 101a of the left and right rear side cowl 101. A bottom cover 58 is connected to the front end of the bottom cowl 102. The rear end of the bottom cover 58 is attached to support brackets 59 provided on the left and right seat pipes 52. The rear end cowl 103 is attached so as to cover the rear end region 105 formed by the rear end portions of the left and right rear side cowl 101 and the rear end portion of the bottom cowl 102. A fender support portion 54 that supports the rear fender 47 extends rearward from the lower portion of the bottom cowl 102. The front end portion of the fender support portion 54 is fixed to the support brackets 59 provided on the left and right seat pipes 52.

When the tail light assembly 100 is attached to the seat frame 51, a storage portion 55 capable of accommodating electrical components such as an ETC on-board unit is formed between the left and right tail light units 50 and the left and right seat pipes 52. .. The storage portion 55 is formed in a space partitioned by the seat pipe 52 and the cross frame 53. The bottom of the storage portion 55 is closed by the bottom cover 58, the fender support portion 54, and the bottom cowl 102, the upper portion is closed by attaching the sub-seat 5, and the storage portion 55 is opened by removing the sub-seat 5. In front of the sub-seat 5, a grip portion 56 gripped by an occupant seated on the sub-seat 5 is attached to a support bracket 52a provided so as to connect the left and right seat pipes 52. A cover member 57 is attached to the front of the grip portion 56 between the rear portion of the main seat 4 and the front portion of the rear side cowl 101.

Further, in a state where the tail light assembly 100 is attached to the seat frame 51, the seat frame 51 is covered with the left and right rear side cowls 101 invisible from the outside.

<Assembly of tail light assembly>
Next, a procedure for assembling the tail light assembly 100 of the present embodiment will be described with reference to FIGS. 2 to 4, 7 and 8.

FIG. 7 is a top view (a) and an i-i sectional view (b) of (a) showing a detailed connection structure between the tail light unit and the bottom cowl in the tail light assembly of the present embodiment. FIG. 8 is a perspective view showing a detailed connection structure of the tail light unit in the tail light assembly of the present embodiment.

In the tail light assembly 100, the left and right rear side cowls 101, the bottom cowl 102, and the rear end cowl 103 are attached to the left and right tail light units 50 in a state where the connection portions 210 of the left and right tail light units 50 are overlapped and engaged with each other. It is assembled and configured. Details will be described later in FIGS. 7 and 8, but the connecting portions 210 of the left and right tail light units 50 are overlapped and engaged with each other, and a protrusion formed at the rear end portion of the housing 201 of the left and right tail light units 50. An assembly hole 102a formed at the rear end of the bottom cowl 102 is inserted into the portion 215, and the bottom cowl 102 is fastened to the mounting portions 220 provided in the housing 201 of the left and right tail light units 50 with screws or the like. Next, the left and right rear side cowls 101 are assembled to the left and right tail light units 50 to which the bottom cowl 102 is assembled, and the left and right tail light units 50 are fastened to the mounting portions 240 provided at the front ends of the housing 201 with screws or the like. At the same time, the left and right rear side cowls 101 and the bottom cowl 102 are connected by the mounting portion 250. Next, the rear end cowl 103 is assembled to the rear end region 105 formed by the rear end portions of the left and right rear side cowl 101 and the rear end portion of the bottom cowl 102, and the left and right tail light units 50 are assembled together with the left and right side cowl 101. The mounting portion 230 provided on the housing 201 of the above is fastened together with screws or the like (see FIGS. 2 (b), 3 (a), and 4 (b)). The mounting portions 220 to 250 are made of a flange, a stay, or the like.

After the left and right rear side cowls 101, bottom cowl 102 and rear end cowl 103 are assembled, the connecting portion 210 of the housing 201 of the left and right tail light units 50 in the engaged state is the support bracket 53a of the cross frame 53 of the seat frame 51. It is fixed with screws or the like. That is, in the tail light assembly 100, only the connecting portions 210 of the left and right tail light units 50 are fixed to the seat frame 51. Since the rear cowl 44 and the tail light unit 50 can be integrally configured and connected to the seat frame 51 in this way, the ease of assembly to the vehicle body can be improved, and the rear cowl 44 and the tail light unit 50 can be supported easily and with rigidity.

7 and 8 show a state in which the connection portions 210 of the housings 201 of the left and right tail light units 50 are overlapped with each other. The connection portions 210 of the housings 201 of the left and right tail light units 50 are overlapped with each other, and the engagement pin 211 formed on the connection portion 210 of the tail light unit 50 on one side (left side) and the tail light unit 50 on the other side (right side). It engages with the engagement hole 212 formed in the connection portion 210. The engaging pin 211 and the engaging hole 212 have an oval outer shape, and by engaging with each other, relative positioning is performed, and the left and right tail light units 50 are relative in the front-rear direction, the left-right direction, and the up-down direction. Positions (postures) are determined, and the frame mounting holes 213 formed in the connection portions 210 of the left and right tail light units 50 match. Then, the frame mounting holes 213 of the left and right tail light units 50 are fixed to the support bracket 53a formed in the cross frame 53 of the seat frame 51 with screws or the like.

Further, in a state where the left and right tail light units 50 are connected by the connecting portion 210, the planar overlapping surfaces 214a of the protruding portions 214 formed at the rear end portion of the housing 201 of the left and right tail light units 50 overlap each other. , One protrusion 215 having a circular cross section in the vehicle width direction and extending to the rear of the vehicle body is formed. By inserting the assembly hole 102a formed at the rear end of the bottom cowl 102 into the protruding portion 215, the relative positions of the housing 201 and the bottom cowl 102 of the left and right tail light units 50 are determined, and the bottom cowl 102. Is fastened to the mounting portion 220 of the housing 201 of the left and right tail light units 50. Next, the left and right rear side cowls 101 and the rear end cowl 103 are assembled to the left and right tail light units 50 to which the bottom cowl 102 is assembled, and are fastened together to the mounting portions 230 of the left and right tail light units 50 (FIG. 2B). , FIG. 3 (a), FIG. 4 (b)).

In this way, the tail light unit 50 in which the left and right rear side cowls 101, the bottom cowl 102, and the rear end cowl 103 are previously assembled to the left and right tail light units 50 is inserted from the rear part of the vehicle body along the seat frame 51, and the left and right tail light units 50 are inserted. The housing 201 of the tail light unit 50 is assembled to the vehicle body so as to be arranged along the seat pipe 52. Then, the connecting portions 210 of the left and right tail light units 50 are fixed to the support bracket 53a of the seat frame 51, and the front end portions of the left and right rear side cowl 101 and the bottom cowl 102 are connected to the vehicle body components.

As shown in FIG. 10B, the support bracket 53a of the seat pipe 52 is located at a position passing through the central axis P9 of the seat pipe 52, and the connecting portions 210 of the left and right tail light units 50 in the tail light assembly 100 are the seat frame 51. It is attached to the support bracket 53a at a position passing through the central axis P9 of the seat pipe 52 of the above. By fastening the tail light assembly 100 on the central axis P9 of the seat pipe 52 in this way, the amount of bulging of the tail light unit 50 in the vehicle width direction is suppressed, and the left and right tail light units 50 are fastened to the seat frame 51. It will be easier.

<Tail light unit>
Next, the tail light unit 50 of the present embodiment will be described with reference to FIGS. 5 and 6.

FIG. 5 is an external view of the tail light unit attached to the saddle-riding vehicle of the present embodiment, which is a rear view (a), a left side view (b), and a tail light unit. It is the figure (c) which looked at the simple substance from above. FIG. 6 is a view showing a state in which the outer lens is removed from the front views (a) and (a) of the tail light unit on the right side of the present embodiment, and a view showing a state in which the inner lens is removed from the views (b) and (b). (C).

The tail light unit 50 includes a housing 201, a light source substrate 202, a driver substrate 203, an inner lens 204, and an actor lens 205. The housing 201 has a concave outer shape, and the light source substrate 202, the driver substrate 203 for driving the light source, and the inner lens 204 are positioned and attached to the inside with screws or the like. A plurality of (for example, three) light sources 202a are mounted on the light source substrate 202 on the same plane. The light source 202a is, for example, an LED (Light Emitting Diode). In the figure, the wiring connecting the light source board 202 and the driver board 203 is omitted.

The outer lens 205 is thermocompression-bonded to the housing 201 and connected. As shown in FIG. 9A, the boundary portions Q (Q, Q2, Q3) between the housing 201 and the outer lens 205 have a cubic curved shape, and the boundary portions Q1 and Q3 are molds for molding the housing 201. Since a surface orthogonal to the die-cutting direction R is formed, the structure can be easily positioned and pressed during crimping. The outer lens 205 is attached to the outer peripheral edge portion 201a of the housing 201 so as to close the housing 201 in which the light source substrate 202, the driver substrate 203, and the inner lens 204 are housed. That is, the light source substrate 202, the driver substrate 203, and the inner lens 204 are arranged in the space formed by the housing 201 and the outer lens 205. With this configuration, it is possible to make the configuration simpler than arranging the driver board 203 other than the housing 201. Further, the driver board 203 is located above the central axis P9 of the seat pipe 52 in a state of being housed in the housing 201. With such a configuration, the internal capacity of the housing 201 is secured without being restricted by the shape of the seat frame 51, and the driver board 203 can be easily installed.

The housing 201 is located at least on the outer side of the seat frame 51 with the tail light assembly 100 shown in FIG. 2 assembled to the seat frame 51, and has a base portion 201b extending in the front-rear direction along the shape of the seat frame 51. Be prepared. The base portion 201b is formed with a wiring outlet 201c that communicates with the inside and outside of the housing. The housing 201 is injection-molded using a mold, but the outer shape of the wiring outlet 201c is the center line P0 in the vehicle width (left and right) direction along the die-cutting direction R from the mold at the time of molding the housing 201. It has a shape that is inclined forward toward it. Further, the uneven shape portions other than the wiring outlet 201c formed on the outer surface of the base portion 201b are also inclined forward toward the center line P0 in the vehicle width (left and right) direction along the die cutting direction R of the housing 201. Has a shape.

The outer lens 205 is provided so as to overlap the seat frame 51 and extend back and forth when viewed from the outside of the vehicle width in a state where the tail light assembly 100 shown in FIG. 2 is assembled to the seat frame 51. Two-thirds or more of the total length and the length of the illumination unit 206 in the front-rear direction are arranged so as to overlap the seat frame 51. With this configuration, the tail light unit 50 can be arranged closer to the front of the vehicle body.

The outer lens 205 is composed of a transparent or colored (eg, red or gray) member capable of transmitting light. The inner lens 204 includes a base portion 207, a diffuser portion 208 that diffuses light, and a circular lens portion 209. The base portion 207 is a transparent member that transmits light, and is fixed to the inside of the housing 201 with screws or the like. The diffusing portion 208 is textured into a frosted glass shape to diffuse light, so that the inside can be obscured while emphasizing the lighting portion. The outer shape of the diffuser 208 corresponds to the illumination 206. The lens unit 209 is provided for each light source 202a. The plurality of lens portions 209 are arranged adjacent to each other, and are arranged in the front-rear direction such that the center side of the vehicle width is the rearmost and the outside of the vehicle width is the frontmost. A part of the side surface of the lens part 209 (a part of the diffusion part 208) 208a is transparent like a slit.

<Rear structure of the vehicle body with the tail light unit attached>
Next, with reference to FIG. 9, the positional relationship between the seat, the seat frame, and the tail light unit will be described.

9A and 9B are a top view (a) and left side views (b) and (c) for explaining the positional relationship between the seat, the seat frame, and the tail light unit in the rear structure of the saddle-riding vehicle of the present embodiment. ..

When the tail light assembly 100 is assembled to the seat frame 51 and viewed from the outside (left side) of the vehicle width, the lap amount L1 in which the tail light unit 50 overlaps the seat frame 51 and the tail light unit 50 are seats. The amount of wrap L2 that overlaps the pipe 52 is, for example, two-thirds or more of the length of the seat frame 51 or the seat pipe 52 in the front-rear direction. Further, two-thirds or more of the length L3 in the front-rear direction of the tail light unit 50 and the length L4 in the front-rear direction of the outer lens 205 overlap with the seat frame 51. Further, the length L5 of the illumination unit 206 of the tail light unit 50 in the front-rear direction also overlaps with the seat frame 51 by 2/3 or more. L6 is the length of the sub-seat 5 in the front-rear direction, D4 is the length of the outer lens 205 of the tail light unit 50 in the vehicle width direction, and D5 is the length of the lighting unit 206 of the tail light unit 50 in the vehicle width direction. Each is shown. In this way, most of the tail light unit 50 (2/3 or more) is arranged so as to overlap the seat frame 51 when viewed from the side of the vehicle body, and at least the tail light unit 50 is arranged on the front side of the vehicle body. Can be done. Therefore, the amount of protrusion of the tail light unit 50 to the rear can be reduced, and a compact vehicle having a short rear length can be obtained. That is, by arranging the entire tail light unit 50 on the front side of the vehicle body, the amount of protrusion of the tail light unit 50 to the rear can be suppressed and the front-rear length of the rear portion of the vehicle body can be shortened.

Further, with the tail light assembly 100 assembled to the seat frame 51, the rear end portion P1 of the sub-seat 5 is located behind the rear end portion P2 of the seat frame 51, and the outer lens 205 in the tail light unit 50 The rear end portion P4 is located behind the rear end portion P1 of the sub-seat 5. Further, the amount of wrap that the sub-seat 5 overlaps with the seat frame 51 is, for example, 2/3 or more or 4/5 or more of the length of the seat frame 51 or the seat pipe 52 in the front-rear direction. In this way, since the sub-seat 5 and the tail light unit 50 overlap with the seat pipe 52 in most parts, the tail light unit 50 can be mounted with the minimum amount of protrusion while the sub-seat 5 is firmly supported by the seat frame 51. It can be positioned at the rear to make it a compact shape with good visibility.

Further, when viewed from above the vehicle body, the maximum width portion P5 of the tail light unit 50 in the vehicle width direction is located outside the vehicle width of the maximum width portion P6 of the sub seat 5, and the maximum width portion P7 of the main seat 4 is located. It is located inside the width of the vehicle. With this configuration, the tail light unit 50 has an overhang to the outside of the vehicle width, so that visibility can be improved and the amount of protrusion can be suppressed to a minimum.

Further, the maximum width portion P6 of the sub-seat 5 is located outside the vehicle width from the center position P8 of the seat frame 51 in the maximum width portion P5 of the sub-seat 5 from the center of the vehicle body P0, and is located from the center (or outside) P8 of the seat frame. The distance D2 to the maximum width portion P5 of the tail light unit 50 is smaller than the distance D1 from the vehicle body center P0 to the maximum width portion P6 of the sub-seat 5. With this configuration, the tail light unit 50 is arranged so as to overlap the sub-seat 5 when viewed from above the vehicle body, and the amount of protrusion of the tail light unit 50 to the outside of the vehicle width can be minimized. ..

Further, at the front end portion of the tail light unit 50, the distance D3 from the vehicle body center P0 to the seat pipe center P9 and the distance D6 from the seat pipe center P9 to the maximum width portion P5 of the tail light unit 50 are substantially the same.

Further, the outer lens 205 of the left and right tail light units 50 has a length L4 in the front-rear direction longer than the length D4 in the vehicle width direction, and the illumination unit 206 of the outer lens 205 is in the vehicle width direction rather than the height in the vertical direction. The length D5 is long. As described above, the tail light unit 50 has a wide outer shape as a whole, which is longer in the front-rear direction and the width direction than the height in the vertical direction.

Further, in the tail light assembly 100, when viewed from above the vehicle body, a part 206a of the lighting portion 206 of the outer lens 205 is located outside the vehicle width of the rear side cowl 101 (see FIG. 1A). A part 206a of the lighting unit 206 is located in front of the vehicle body from the rear end portion P1 of the sub-seat 5.

Further, as shown in FIG. 9C, the tail light unit 50 is arranged so that the position in the front-rear direction overlaps with the vertical line V1 passing through the axle 3a of the rear wheel 3. Further, the front end of the illumination portion 206 of the outer lens 205 is located on the perpendicular line V1 passing through the axle 3a of the rear wheel 3, and the rear end portion of the illumination portion 206 is located in front of the perpendicular line V2 in contact with the inner diameter of the wheel rim 3b. are doing. In this way, by arranging at least the tail light unit 50 on the front side of the vehicle body, a compact rear body structure can be realized.

The invention is not limited to the above-described embodiment, and various modifications and changes can be made within the scope of the gist of the invention. For example, in the present embodiment, an example applied to a motorcycle has been described, but the present invention is not limited to this, and can be applied to all saddle-riding vehicles.

1 ... Motorcycle 2 ... Front wheel 2a ... Axle 3 ... Rear wheel 3a ... Axle 4 ... Main seat 5 ... Sub seat 10 ... Body frame 11 ... Engine 12 ... Front fork 13 ... Swing arm 15 ... Head pipe 16 ... Main frame 17 ... Pivot frame 21 ... Steering handle 22 ... Pivot shaft 27 ... Crankshaft 28 ... Crankcase 29 ... Cylinder 29a ... Cylinder axis 30 ... Drive chain 31 ... Air cleaner 32 ... Exhaust pipe 33 ... Muffler 35 ... Fuel tank 36 ... Radiator 40 ... Front cowl 41 ... Front side cowl 42 ... Under cowl 44 ... Rear cowl 45 ... Front fender 46 ... Inner fender 47 ... Rear fender 48 ... Step 49 ... Headlight unit 50 ... Tail light unit 51 ... Seat frame 52 ... Seat pipe 52a ... Support bracket 53 ... Cross frame 53a ... Support bracket 54 ... Fender support 55 ... Storage (space)
56 ... Grip portion 57 ... Cover member 58 ... Bottom cover 59 ... Support bracket 100 ... Tail light assembly 100a ... Opening 101 ... Rear side cowl 101a ... Lower edge 102 ... Bottom cowl 102a ... Assembly hole 103 ... Rear end cowl 105 ... Rear end region 201 ... Housing 201a ... Outer peripheral edge portion 201b ... Base portion 201c ... Wiring outlet 202 ... Light source substrate 202a ... Light source 203 ... Driver substrate 204 ... Inner lens 205 ... Actor lens (lens portion)
206 ... Illumination unit 206a ... Part of the illumination unit 207 ... Base unit 208 ... Diffuse unit 208a ... Part of the side surface of the lens unit 209 (Part of the diffuser unit 208)
209 ... Lens portion 210 ... Connection portion 211 ... Engagement pin 212 ... Engagement hole 213 ... Frame mounting hole 214 ... Protruding portion 214a ... Overlapping surface 215 ... Protruding portion 220 to 250 ... Mounting portion P0 ... Vehicle width (left and right) direction Center line P1 ... Rear end portion P2 of sub-seat 5 ... Rear end portion P4 of seat frame 51 ... Rear end portion P5 of outer lens 205 ... Maximum width portion P6 of tail light unit 50 ... Maximum width portion P7 of sub-sheet 5 ... Maximum width portion P8 of the main seat 4 ... Center position P9 of the seat frame 51 in the maximum width portion P5 of the sub seat 5 ... Center axes P11, P12, P13 of the seat pipe 52 ... Boundary portion L1 between the housing 201 and the outer lens 205 ... Amount of wrap where the tail light unit 50 overlaps the seat frame 51 L2 ... Amount of wrap where the tail light unit 50 overlaps the seat pipe 52 ... Length in the front-rear direction of the tail light unit 50 L4 ... Direction in the front-rear direction of the outer lens 205 Length L5 ... Length in the front-rear direction of the lighting unit 206 L6 ... Length in the front-rear direction of the sub-seat 5 D1 ... Distance from the vehicle body center P0 to the maximum width portion P6 of the sub-seat 5 D2 ... Seat pipe center (or outside) ) Distance D3 from P8 to the maximum width portion P5 of the tail light unit 50 ... Distance from the vehicle body center P0 to the seat pipe center P8 D4 ... Length of the outer lens 205 in the vehicle width direction D5 ... In the vehicle width direction of the lighting unit 206 Length D6 ... Distance from center P9 of seat pipe to maximum width P5 of tail light unit 50 Q1, Q2, Q3 ... Boundary between housing 201 and outer lens 205 R ... Die-cutting from mold when molding housing 201 Direction V1 ... Vertical line passing through the axle 3a of the rear wheel 3 V2 ... Vertical line in contact with the inner diameter of the wheel rim 3b of the rear wheel 3

Claims (11)

In a saddle-riding vehicle (1) provided with a seat frame (51) for supporting a seat (5) on which an occupant sits, and the seat frame (51) is covered with a rear cowl (44).
The rear cowl (44) includes an opening (100a) that exposes the tail light portion (50).
The tail light portion (50) covers the housing (201) supported by the vehicle body and the light source (202a) housed in the housing (201), and the lens portion (205) that transmits the light of the light source (202a). ) And,
The housing (201) is located at least outside the vehicle width of the seat frame (51) and includes a base portion (201b) extending in the front-rear direction of the vehicle body along the seat frame (51).
At least the lens portions (205) are separately provided on both side portions in the vehicle width direction, overlap with the seat frame (51) when viewed from the outside of the vehicle width, and extend in the vehicle body front-rear direction. The rear structure is characterized in that two-thirds or more of the length (L4) in the front-rear direction of the vehicle body of 205) is arranged so as to overlap the seat frame (51). The housing (201) is provided separately on both sides in the vehicle width direction, and the length (L3) of the tail light portion (50) in the vehicle body front-rear direction overlaps with the seat frame (51) by two-thirds or more. Placed in. The rear structure according to claim 1, wherein the rear structure is characterized in that. The seat frame (51) includes a pair of seat pipes (52) extending in the front-rear direction of the vehicle body and a cross frame (53) connecting the rear ends of the pair of seat pipes (52).
The housing (201) includes a base portion (201b) located on the outer side of the seat frame (51), and a space (55) is formed between the pair of seat pipes (52). The rear structure according to claim 1 or 2. The rear end portion (P1) of the seat (5) is located behind the rear end portion (P2) of the seat frame (51), and the rear end portion (P3) of the tail light portion (50) is said. The rear structure according to claim 1 or 2, wherein the seat (5) is located behind the rear end portion (P1) of the vehicle body. The seats (4, 5) include a main seat (4) on which the driver sits, and a sub-seat (5) on which the passenger rides, which is provided separately from the main seat (4).
The maximum width portion (P5) having the maximum length of the tail light portion (50) in the vehicle width direction is from the maximum width portion (P6) having the maximum length of the sub-seat (5) in the vehicle width direction. Is located outside the vehicle width, and is located inside the vehicle width from the maximum width portion (P7) where the length of the main seat (4) in the vehicle width direction is maximum. The rear structure according to claim 1 or 2. The maximum width portion (P6) having the maximum length of the sub-seat (5) in the vehicle width direction is located outside the vehicle width of the seat frame (51) and is the center of the seat frame (51). The distance (D2) from (P8) to the maximum width portion (P5) where the length of the tail light portion (50) in the vehicle width direction is maximum is the center (P0) of the sub-seat (5) in the vehicle width direction. The rear structure according to claim 5, wherein the distance from the to the maximum width portion (P6) is smaller than the distance (D1). The rear cowl (44) includes a pair of side cowls (101) separately provided on both sides in the vehicle width direction and a bottom cowl (102) connecting the lower portions of the pair of side cowls (101). The rear cowl (44) is connected, including between the rear ends of the pair of side cowls (101) and the rear end cowl (103) connected to the rear end of the bottom cowl (102). The rear portion according to any one of claims 1 to 6, wherein the tail light portion (50) is inserted from the rear end portion of the seat frame (51) and connected to the seat frame (51). Construction. The separate tail light portion (50) is connected to the seat frame (51) in a state of being connected by an engaging portion (210) provided in each tail light portion (50). The rear structure according to any one of claims 1 to 7. The rear structure according to claim 3, wherein the housing (201) is connected to the seat frame (51) at a position passing through the central axis (P9) of the seat pipe (52). The tail light portion (50) has a light source substrate (202) on which a light source (202a) is mounted and a driver substrate (203) that drives the light source (202a).
One of claims 1 to 9, wherein the light source substrate (202) and the driver substrate (203) are arranged in a space formed by the housing (201) and the lens portion (205). Rear structure described in. The third or nine claim, wherein the driver board (203) is located above the central axis (P9) of the seat pipe (52) in a state of being housed in the housing (201). Rear structure.