JP2008260504A - Motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a motorcycle capable of housing a long-size material by increasing a longitudinal capacity of a housing box. <P>SOLUTION: This motorcycle comprises a body frame 2, a storage space 33 supported by the body frame 2, extended in the fore-and-aft direction of the vehicle and opened upward, a main seat 9a turnable around a front turning shaft (a hinge pin) 24d positioned in a front end of the storage space 33 and a tandem seat 9b turnable around a rear turning shaft (a hinge pin) 98 positioned in a rear end of the housing portion 33. The main seat 9a is adapted to open/close a front opening 33 of the storage space 33, and the tandem seat 9b is adapted to open/close a rear opening 33a of the storage space 33. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a motorcycle including a main seat that rotates around a front end portion of a storage portion disposed in a vehicle body frame, and a tandem seat that rotates around a rear end portion of the storage portion.

For example, in a scooter-type motorcycle, a storage box is disposed below the main seat, a front end portion of the main seat is pivotably supported up and down, a fuel tank is disposed below the tandem seat, and the A tandem seat that supports the rear end of the tandem sheet so as to be pivotable up and down has been proposed (for example, see Patent Document 1).
JP-A-11-208548

  By the way, the conventional motorcycle employs a structure in which a storage box is disposed below the main seat and a fuel tank is disposed below the tandem seat. For this reason, there is a problem in that the capacity of the storage box in the front-rear direction is increased, and a long object cannot be stored.

  The present invention has been made in view of the above-described conventional situation, and an object of the present invention is to provide a motorcycle that can store a long object by increasing the longitudinal capacity of a storage box.

  The present invention relates to a vehicle body frame, a storage portion that is supported by the vehicle body frame, extends in the vehicle front-rear direction and opens upward, and a main portion that rotates about a front rotation shaft positioned at a front end portion of the storage portion. A motorcycle including a seat and a tandem seat that rotates about a rear rotation shaft positioned at a rear end of the storage unit, wherein the main seat opens and closes an opening front of the storage unit; The tandem seat is characterized by opening and closing a rear opening portion of the storage portion.

  According to the motorcycle of the present invention, the opening front portion of the storage portion is opened and closed by the main seat that rotates about the front end portion, and the opening rear portion of the storage portion is formed by the tandem seat that rotates about the rear end portion. Since it opens and closes, the storage portion can be sized to cover the entire length of the main seat and the tandem seat in the front-rear direction, and a long object can be stored.

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

  1 to 20 are diagrams for explaining a motorcycle according to an embodiment of the present invention. Note that front and rear and left and right in this embodiment mean front and rear and left and right when viewed in a seated state.

  In the figure, reference numeral 1 denotes a starter type motorcycle. This motorcycle 1 is pivotally supported by a body frame 2 and a head pipe 3 positioned at the front end of the body frame 2 so that it can be steered left and right. A front wheel 4 is disposed at the lower end and a steering handle 5 is disposed at the upper end. A front swing is supported by the front fork 6 and the body frame 2 so as to be able to swing up and down, a unit swing type engine unit 8 in which a rear wheel 7 is arranged at the rear end, and the body frame 2 is supported. A storage box 33 extending in the front-rear direction and a straddle-type seat 9 disposed above the engine unit 8 of the body frame 2 are provided.

  The front side of the front fork 6 is covered with a front cover 11, the rear side is covered with a leg shield 12, and the lower periphery of the seat 9 is covered with a side cover 13.

  The vehicle body frame 2 extends rearward and downward from the lower end portion of the head pipe 3 while extending outward in the vehicle width direction, and then a pair of left and right down tubes 20 and 20 extending substantially horizontally rearward from the lower end. The left and right down tubes 20 extend in a vertical direction from a pair of left and right seat rails 21 and 21 extending rearward and obliquely upward from the front-rear center portion 20d and the rear end surface 20a of the left and right down tubes 20. The pair of left and right engine suspension frames 22 and 22 whose upper end portions are connected to the seat rail 21 and the vicinity of the connection portion 21a of the engine suspension frame 22 of the left and right seat rails 21 are connected in the vehicle width direction. The cross member 23 is provided.

  The vehicle body frame 2 extends in a substantially straight line from the head pipe 3 obliquely downward to the rear, and the left and right upper tubes 24 and 24 whose rear end surfaces are connected to the seat rail 21 and the left and right engines. There are left and right seat stays 25 and 25 that connect the suspension frame 22 and the rear portion of the seat rail 21.

  Left and right pivot members 47 are arranged in the vicinity of the down tube 20 connecting portion on the rear surface of the left and right engine suspension frames 22 and 22.

  The engine unit 8 is formed by integrally combining an engine body 8a and a transmission case 8b having a belt chamber in which a V-belt continuously variable transmission 17 is accommodated.

  The engine body 8a is a water-cooled four-cycle single-cylinder engine mounted with the cylinder axis A oriented substantially horizontally, and a crankcase 8c containing a crankshaft 18 disposed horizontally in the vehicle width direction. A cylinder block 8d, a cylinder head 8e, and a head cover 8f are sequentially coupled to the front mating surface.

  The V-belt type continuously variable transmission 17 includes a drive pulley 17a disposed at the left end portion of the crankshaft 18 protruding into the transmission case 8b, and a driven pulley 17b disposed at the rear end portion of the transmission case 8b. Are connected by a V-belt 17c. A main shaft 17d and a drive shaft 17e to which the rotation of the driven pulley 17b is transmitted are arranged in the transmission case 8b, and the rear wheel 7 is mounted on the drive shaft 17e.

  Left and right suspension portions 8j and 8j are formed on the lower wall portion of the crankcase 8c so as to protrude forward. The left and right suspension portions 8j are pivotally supported by the pivot member 47 via the pivot shaft 51. As a result, the engine unit 8 is suspended and supported so as to be vertically swingable with the lower side of the crankcase 8c as a fulcrum.

  A rear arm 55 is arranged on the opposite side across the rear wheel 7 of the engine unit 8. The rear arm 55 has a front end portion fixed to the engine unit 8 and a rear end portion supporting the rear wheel 7.

  The rear arm 55 and the cross member 23 are connected by a rear suspension 10 disposed substantially horizontally in the vehicle front-rear direction. The rear suspension 10 is disposed above the engine unit 8 and substantially parallel to the cylinder axis A of the engine unit 8 when viewed from the side of the vehicle.

  An air cleaner 36 is disposed and fixed on the upper wall surface of the transmission case 8b, and the air cleaner 36 can swing up and down together with the transmission case 8b. The length of the air cleaner 36 in the front-rear direction is set to a length over substantially the entire length of the transmission case 8b.

  A fuel tank 30 is disposed in a space surrounded by the left and right down tubes 20 and the left and right upper tubes 24, and a radiator 31 is disposed below the fuel tank 30.

  In the space surrounded by the left and right down tubes 20, the seat rails 21 and the engine suspension frame 22, a storage box 33 that opens upward is disposed so as to be located behind the fuel tank 30. Yes. The storage box 33 is fixedly attached to the vehicle body frame 2.

  The storage box 33 has a length that extends over substantially the entire length of the seat 9 in the front-rear direction. The opening 33a of the storage box 33 is formed so as to connect the opening of the front storage 33b, the opening of the intermediate storage 33d, and the opening of the rear storage 33c, and the upper tube. 24 and the seat rail 21 are positioned higher than the above. When both a later-described main seat 9a and a tandem seat 9b are opened, they are opened as one opening. Further, when both the main seat 9a and the tandem seat 9b are closed, the rear end portion of the main seat 9a is configured to cover the front end portion of the tandem seat 9b from above.

  The storage box 33 includes the front storage portion 33b having a size capable of storing the helmet H1, the rear storage portion 33c having a size capable of storing the Hemet H2, the attache case W1, or the beer case W2, and The intermediate storage portion 33d is formed between the front and rear storage portions 33b and 33c, and the front and rear storage portions 33b and 33c can store the long object W3.

  The front storage portion 33b is formed to extend downward following the intermediate storage portion 33d, and the rear storage portion 33c is formed to extend upward following the intermediate storage portion 33d.

  A battery storage portion 33e is formed on the bottom wall portion of the front storage portion 33b so as to extend downward. The battery storage portion 33e is located between the engine unit 8 and the fuel tank 30, and protrudes downward from the down tube 20. A tool storage portion 33f is formed between the battery storage portion 33e and the front storage portion 33b.

  The seat 9 includes a main seat 9a on which a rider is seated, a tandem seat 9b on which a rear occupant is seated, and a backrest 9c that is disposed at the rear end of the main seat 9a and supports the waist of the rider. Yes.

  The main seat 9a has a structure in which a seat cushion 85b is disposed on a seat bottom plate 85a, and the seat cushion 85b is covered with a skin 85c. The tandem seat 9b is formed separately from the main seat 9a, and has a structure in which a seat cushion 86b is disposed on the seat bottom plate 86a as described above, and the seat cushion 86b is covered with a skin 86c.

  Each of the sheet bottom plates 85a and 86a is formed in a bowl shape so as to bulge upward from the opening 33a of the storage box 33, thereby increasing the capacity of the storage box 33.

  The main seat 9a is supported so as to be vertically rotatable around the front end portion of the storage box 33, and the tandem seat 9b is supported so as to be rotatable up and down around the rear end portion of the storage box 33. ing.

  The main seat 9a covers the front storage part 33b and the intermediate storage part 33d of the storage box 33, that is, the front part of the storage part opening so as to be openable and closable by the sheet bottom plate 85a. The tandem seat 9b covers the rear storage portion 33c of the storage box 33, that is, the rear portion of the storage portion opening, by the seat bottom plate 86a. When the main seat 9a and the tandem seat 9b are opened forward and backward, respectively, the entire opening 33a of the storage box 33 is exposed upward.

  The seat bottom plate 85a of the main seat 9a extends from the rear half of the front half 85a 'covering the opening 33a' of the front storage part 33b and the rear end of the front half 85a 'to the rear, and the opening 33a of the intermediate storage part 33d. ″ And a rear half portion 85 a ″ covering the front side portion of the opening 33 a ″ ″ of the rear storage portion 33 c. As a result, by opening the main seat 9a with the tandem sheet 9b closed, it is possible to put in and out long items and put in and out items stored in the rear storage portion 33c.

  The rear edge portion 9a 'of the main seat 9a covers the upper, left, and right sides of the front edge portion 9b' of the tandem seat 9b, whereby the appearance of the boundary between the main seat 9a and the tandem seat 9b is improved. Deterioration is prevented.

  A bottom plate 87 is disposed in front of the sheet bottom plate 85a of the main seat 9a. The bottom plate 87 is formed so as to form a substantially continuous surface along the sheet bottom plate 85a, and is fixed to the sheet bottom plate 85a by a plurality of bolts 87a.

  The bottom plate 87 has an expanded portion 87b that extends outward from the front edge and the left and right edges of the main seat 9a. The widened portion 87b is hidden under the side cover 13 and covers the opening 33a ′ of the front storage portion 33b.

  A seal member 84 disposed along the outer edge of the expanded portion 87b and the seat bottom plate 85a is mounted on the lower surface of the spread portion 87b and the seat bottom plate 85a. The seal member 84 is in pressure contact with the openings 33a ′ and 33a ″. This seals between the openings 33a 'and 33a' 'and the main seat 9a.

  A pair of left and right hinges 87c. 87c is formed to protrude forward. On the other hand, a hinge bracket 24c is stretched over and coupled to the left and right upper tubes 24. The left and right hinge portions 87c are pivotally supported by a hinge bracket 24c via a hinge pin (front rotation shaft) 24d extending in the vehicle width direction. As a result, the main seat 9a rotates in the vertical direction around the hinge pin 24d positioned further forward than the front edge thereof.

  A positioning boss 33m is formed on the front edge of the storage box 33 so as to protrude upward. The positioning boss 33m is inserted into a positioning hole (not shown) formed in the hinge bracket 24c. . Thus, the storage box 33 and the main seat 9a are positioned and supported by the hinge bracket 24c.

  The expanded portion 87b is formed with left and right stopper portions 87d and 87d protruding forward from the hinge portion 87c, and each stopper portion 87d is a stopper rod attached to the left and right upper tubes 24. 83, 83. When the main seat 9a is opened, the stopper portion 87d engages with the stopper rod 83, thereby restricting the opening of the main seat 9a to the fully open position. The fully open position of the main seat 9a is set to about 40 degrees from the horizontal to avoid interference with the parts mounted on the steering handle 5.

  Left and right main lock devices (second lock devices) 100, 100 for locking the main seat 9a to the vehicle body are disposed on the left and right side portions of the main seat 9a. The left and right main lock devices 100 are disposed at the center in the front-rear direction of the main seat 9a.

  As shown in FIG. 5, the main lock device 100 is fixed to lock members 100a and 100a fixed to the outer wall of the opening 33a of the storage box 33, and a seat bottom plate 85a of the main seat 9a, and is The strikers 100b and 100b extend. The engagement claw 100c is supported by the lock member 100a so as to be rotatable between a lock position and an unlock position, and the engagement claw 100c is urged in the lock direction by a coil spring 100e. The left and right engaging claws 100c are connected to each other by a connecting member 100d.

  When the main seat 9a is rotated to the fully closed position, the left and right strikers 100b are engaged with the engaging claws 100c, whereby the main seat 9a is locked to the storage box 33. Although not shown, when a lock release operation is performed with a key (not shown), the left and right engaging claws 100c are simultaneously rotated to the unlocked position via the connecting member 100d. The lock is released.

  The tandem seat 9b is arranged to be positioned higher than the main seat 9a. A rear bottom plate 91 is disposed in front of the seat bottom plate 86a of the tandem seat 9b. The rear bottom plate 91 is formed along the seat bottom plate 86a, and is fixed to the seat bottom plate 86a by a plurality of bolts 91a (see FIG. 9).

  The rear bottom plate 91 and the seat bottom plate 86a are fitted with a seal member 92 disposed along the outer edge portion thereof. The sealing member 92 seals between the opening 33a ″ and the tandem seat 9b by being pressed against the opening 33a ″ of the rear housing portion 33c.

  A front edge portion 91b of the rear bottom plate 91 projects forward from a front edge 9b 'of the tandem seat 9b, and the front edge portion 91b is attached to the rear edge portion 9a' of the main seat 9a. The seal member 84 is in pressure contact.

  The left and right side portions of the rear edge portion 9a 'of the main seat 9a and the left and right side portions of the front edge portion 9b' of the tandem seat 9b overlap in the vehicle width direction. Is provided with a waterproof structure.

  As shown in FIG. 8, the opening 33 a of the storage box 33 is provided with a hook-shaped receiving portion 93 that extends forward and downward. In the receiving portion 93, the rear edge portion 9 a ′ and the front edge are provided. It arrange | positions so that the part 9b 'may be located.

  On the inner wall 93a of the receiving portion 93, an upper extension portion 93b extending to the vicinity of the upper end portion of the overlapping portion W is formed in a stepped shape inward. A lower extension 91e is formed at the front edge 91b of the rear bottom plate 91 so as to overlap the outer side in the vehicle width direction of the upper extension 93b. This prevents water or the like from entering the storage box 33 from the seal switching portion between the main seat 9a and the tandem seat 9b.

  The tandem seat 9b is provided with a grab bar 88 held by an occupant seated on the tandem seat 9b.

  When viewed from above, the grab bar 88 has a generally U shape surrounding the left, right and rear portions of the tandem seat 9b. Further, when viewed from the side, the grab bar 88 is positioned higher than the opening 33a of the storage box 33 and extends rearward from the rear end of the opening 33a.

  The grab bar 88 includes left and right gripping portions 88a and 88a arranged on the left and right side portions of the tandem seat 9, a connecting portion 88d for connecting the rear end portions of the left and right gripping portions 88a and 88a, Left and right front legs 88b and 88b and left and right rear legs 88c and 88c extending from the front and rear lower edges of the left and right grips 88a to the left and right of the tandem seat 9b. have.

  The left and right front legs 88b are fixed by bolts 89a and 89a inserted from above into a gate-type rear upper bracket 89 coupled to the left and right seat rails 21, and the left and right rear legs The portion 88c is fixed to the gate-shaped crossbar 90 coupled to the left and right seat rails 21 by bolts 90a and 90a inserted from above. This ensures the strength against the vertical input applied to the grab bar 88 during acceleration and braking.

  Left and right tandem locking devices (first locking devices) 101 and 101 for locking the tandem seat 9b to the vehicle body are disposed on the left and right sides of the tandem seat 9b. The left and right tandem locking devices 101 are disposed at the center in the front-rear direction of the tandem seat 9b.

  As shown in FIGS. 11 and 12, the tandem lock device 101 includes left and right lock members 101a and 101a arranged outside the opening 33a of the storage box 33, and the tandem seat 9b. The left and right strikers 101b and 101b are fixed to the seat bottom plate 86a, and the basic structure is substantially the same as that of the main lock device 100.

  The left and right lock members 101a are bolted and fixed to the lower surface of an extension portion 88e that extends forward from the left and right front leg portions 88b of the grab bar 88. The left and right lock members 101a are connected by a wire member (not shown). When the tandem seat 9b is rotated to the fully closed position, the left and right strikers 101b are engaged with the lock member 101a, whereby the tandem seat 9b is locked to the grab bar 88.

  The left and right main lock devices 100 and the left and right tandem lock devices 101 are connected by a lock release member (not shown). When the unlocking operation is performed using the key, the locks of the left and right main lock devices 100 and the left and right tandem lock devices 101 are simultaneously released by the lock release member.

  A tail cover 95 as an exterior part is disposed between the rear end surface of the tandem sheet 9b and the grab bar 88. The front end portion 95a of the tail cover 95 enters the lower side of the tandem seat 9b, and is fixed to the seat bottom plate 86a with bolts.

  The tail cover 95 rises upward from the rear edge of the tandem seat 9b and then extends rearward so as to form a continuous surface with the grab bar 88. The rear end portion 95b covers the upper and rear sides of the connecting portion 88d. It is curved.

  A rear hinge bracket 96 is disposed inside the tail cover 95, and the hinge bracket 96 is formed so as to substantially follow the inner surface of the tail cover 95. The front end portion 96a of the hinge bracket 96 enters the lower side of the tandem seat 9b, and is bolted and fixed to the left and right thick portions 86a 'formed on the seat bottom plate 86a (see FIG. 10). .

  The rear hinge bracket 96 is formed by bending flange portions 96d and 96d projecting downward at the left and right edge portions of the strip 96b extending in the front-rear direction, and the rear ends of the left and right flange portions 96d. Hinge portions 96c and 96c are formed to protrude downward in the portion.

  The left and right hinge portions 96c are hinge pins (rear rotation) that extend in the left and right vehicle width directions of the left and right flange portions 97g of an upward U-shaped hinge plate 97 that is bolted and fixed to the connecting portion 88d. The shaft is pivotally supported via 98, 98 (see FIGS. 14 and 16). As a result, the tandem seat 9b can be pivoted in the vertical direction around the hinge pin 98 located behind the rear end of the tandem seat 9b, and the pivot center is provided at the connecting portion 88d of the grab bar 88. ing.

  The tandem seat 9b, the grab bar 88, and the hinge bracket 96 are assembled in advance to form a subassembly, and the subassembly is assembled to the vehicle body frame 2.

  Here, the vehicle longitudinal dimension from the front pivot shaft 98 to the rear end of the main seat 9a is set larger than the dimension from the rear pivot shaft 24d to the front end of the tandem seat 9b. The front rotation shaft 98 is disposed at a lower position than the rear rotation shaft 24d.

  As shown in FIGS. 15 to 20, the tandem sheet 9 b includes a sheet support mechanism 105 that holds the tandem sheet 9 b in a self-supporting position. The self-supporting position means a position where the tandem seat 9b is held in an open self-supporting state, and the tandem seat 9b is prevented from rotating in the closing direction by the stand 106 in the self-supporting position.

  The seat support mechanism 105 is disposed on the hinge bracket 96, holds the tandem seat 9b in a self-supporting position when it is rotated to a self-supporting position immediately before full opening, and further exceeds the self-supporting position. And a release mechanism 105b that releases the self-supporting state when rotated to the fully open position.

  The holding mechanism 105a includes a stand 106 rotatably supported by a hinge bracket 96, a torsion spring 107 that urges the stand 106 toward a standing position or a prone position, and a stopper formed on the hinge plate 97. The torsion spring 107 is configured to urge the stand 106 toward the standing position when the tandem seat 9b is at an angular position from the fully closed position to the self-standing position.

  The release mechanism 105b includes a lever 109 that switches the urging direction of the torsion spring 107, the torsion spring 107, a guide portion (a strip plate portion of the hinge bracket) 96b, and a lever guide portion 97c formed on the hinge plate 97. The torsion spring 107 urges the stand 106 toward the prone position when the lever 109 is rotated to the release position, and urges the stand 106 toward the standing position when the lever 106 is rotated to the standing position. It is configured as follows.

  The stand 106 is formed by bending a round bar into a generally U shape, and both end portions 106a and 106a of the stand 106 can be rotated by support pieces 96e and 96e attached to the left and right sides of the hinge bracket 96. It is supported by.

  The lever 109 has a generally inverted letter shape, and is rotatably supported by the support piece 96e together with the end portion 106a of the stand 106. One end 107 a of the torsion spring 107 is engaged with a locking piece 106 b fixed to the stand 106, and the other end 107 b is engaged with the lever 109. Further, a stopper portion 97b that is engaged with the lower end portion 106b of the stand 106 is bent at the front edge portion of the hinge plate 97.

  When the tandem seat 96 is in the fully closed position, as shown in FIG. 17, the stand 106 is urged in the standing direction (clockwise) by the torsion spring 107, and the lever 109 is urged counterclockwise. Thus, the rear portion 109b is held in contact with the guide portion 96b. When the tandem seat 9b is rotated from this state to the self-supporting position, the stand 106 rotates clockwise and is hooked on the stopper portion 108b, and the tandem seat 9b is self-supporting in the self-supporting position (see FIG. 18).

  At this time, the lever 109 is urged by the torsion spring 107 to a standing position (a position where the front portion 109a comes out forward and the rear portion 109b is in contact with the guide portion 96b). When the lever 109 is rotated clockwise against the urging force of the torsion spring 107 in the self-standing position, the urging direction of the torsion spring 107 urges the stand 106 toward the prone position (reverse direction). (Clockwise) (see FIG. 19A). At this time, however, the stand 106 is held in an upright state because a seat load is applied (see FIG. 19A).

  When the tandem seat 9b is rotated from the self-supporting position to the fully open position where the tandem seat 9b is further opened, the seat load is not applied, so the stand 106 is rotated to the prone position and the tandem seat 9b can be closed as it is (FIG. 19B). )reference).

  When the tandem seat 9b is closed to near full close, the rear portion 109b of the lever 109 is guided by the guide portion 97c and rotates counterclockwise toward the original position. Then, the stand 106 is urged in the standing direction (see FIGS. 20A and 20B). Therefore, when the tandem seat 9b is opened next, the stand 106 is rotated to the standing position, and the tandem seat 9b is held in the standing state.

  According to this embodiment, the main seat 9a that rotates in the vertical direction around the hinge pin 24d disposed in front of the storage box 33 and the hinge pin 98 that is disposed in the rear of the storage box 33 rotate in the vertical direction. A tandem seat 9b that moves, and the main seat 9a opens and closes the front storage portion 33b of the storage box 33, and the tandem seat 9b opens and closes the rear storage portion 33c. The sheet 9a and the tandem sheet 9b can be sized to cover substantially the entire length in the front-rear direction, and a long object can be stored.

  Further, since the main seat 9a and the tandem seat 9b are opened forward and backward, respectively, the opening / closing operation can be performed lightly and smoothly as compared with the case where the entire opening of the storage portion is opened / closed by one large seat.

  Furthermore, the main seat 9a can be opened in a state in which a load is mounted on the tandem seat 9b, and the usability when taking in / out the contents in the storage box 33 can be improved.

  In the present embodiment, the grab bar 88 attached to the vehicle body frame 2 extends rearward from the rear end of the storage box 33, and the rotation center of the tandem seat 9b is provided at the connecting portion 88d of the extended grab bar 88. The storage box 33 can be extended rearward from the rear end of the tandem seat 9b, and the storage capacity can be increased. Further, the alignment between the tandem seat 9b and the main seat 9a can be easily adjusted.

  Since the tandem seat 9b is rotatably supported by the grab bar 88, the tandem seat 9b can be supported by the strong and rigid grab bar 88 attached to the vehicle body frame 2, and the supporting strength of the seat 9b can be increased.

  In the present embodiment, the left and right tandem locking devices 101 and 101 of the tandem seat 9b are arranged on the left and right outer sides of the storage box 33, and the left and right tandem locking devices 101 are connected by wire members. By performing the unlocking operation with one key, the locks of the left and right tandem locking devices 101 can be simultaneously released, and the tandem seat 9b can be locked and unlocked with a simple structure.

  The left and right main lock devices 100 and 100 of the main seat 9a are arranged on the left and right outer walls of the storage box 33, and the left and right main lock devices 100 and the left and right tandem lock devices are arranged. 101 is connected by an unlocking member, so that the locks of both the main seat 9a and the tandem seat 9b can be simultaneously released by performing the unlocking operation with the key. Thereby, the opening / closing operation of each sheet 9a, 9b can be performed with one hand, and the usability can be further enhanced. Further, it is possible to prevent the main seat 9a and the tandem seat 9b from being forgotten to be closed.

  In the present embodiment, since the left and right tandem locking devices 101 are attached to the left and right front leg portions 88b and 88b of the grab bar 88 fastened and fixed to the vehicle body frame 2, the grab bar 88 having high strength and rigidity makes the tandem. The locking device 101 can be supported.

  In the present embodiment, since a waterproof structure is provided between the rear edge portion 9a 'of the main seat 9a and the front edge portion 9b' of the tandem seat 9b, the seal switching portion between the main seat 9a and the tandem seat 9b is used. Water can be prevented from entering the storage box 33.

  In the present embodiment, a bowl-shaped receiving portion 93 is provided in the opening 33 a of the storage box 33, an upper extension portion 93 b is formed on the inner wall 93 a of the receiving portion 93, and the front edge portion 91 b of the rear bottom plate 91 is Since the lower extension 91e extending so as to overlap the outer side in the vehicle width direction of the upper extension 93b is formed, it is possible to more reliably prevent water from entering the storage box 33 with a simple structure.

  In the present embodiment, since the sheet support mechanism 105 that holds the tandem sheet 9b in a self-supporting position is provided, the tandem sheet 9b may be suddenly closed due to, for example, an article that comes in or out of the tandem sheet 9b when the contents are loaded or unloaded. However, it is possible to easily take in and out the contents.

  The seat support mechanism 105 is held in a self-supporting state when the tandem seat 9b is rotated to the self-supporting position, and the self-supporting state is released when the seat support mechanism 105 is further rotated beyond the self-supporting position to the fully open position. Since the release mechanism 105b is provided, the tandem seat 9b can be opened and released easily.

  The holding mechanism 105a includes a stand 106 rotatably supported by a hinge bracket 96, a torsion spring 107 that urges the stand 106 toward a standing position or a prone position, and a stopper portion 97b. Since the stand 106 is biased toward the standing position when the tandem seat 9b is at an angular position from the fully closed position to the self-standing position, the seat support mechanism 105 has a simple structure. And it can be configured with the minimum number of parts.

  The release mechanism 105b includes a lever 109 that switches the urging direction of the torsion spring 107, the torsion spring 107, and a guide portion 97c. When the torsion spring 107 is rotated to the release position, Since the stand 106 is urged toward the prone position and rotated to the standing position, the stand 106 is urged toward the standing position, so that the tandem seat 9b can be opened and closed with one hand.

Further, in the present embodiment, the opening of the front storage portion 33b, the opening of the intermediate storage portion 33d, and the opening of the rear storage portion 33c are connected, and when both the main seat 9a and the tandem seat 9b are opened, one opening is formed. Since it is opened, it is easy to put in and out large items.

  In addition, the main seat 9a is formed longer than the tandem seat 9b, and the front pivot shaft 98 that supports the main seat 9a is disposed at a lower position than the rear pivot shaft 24d. Even in the case of opening, the necessary space above the vehicle can be kept small. That is, although the space required above the main seat is increased by the length of the main seat 9a, in the present embodiment, the front rotation shaft 98 is disposed at a low place, so that the increase in the space can be suppressed.

  Furthermore, since the front end portion of the tandem seat 9b is covered from above with the rear end portion of the main seat 9a, it is easy to ensure the sealing performance between the two sheets, and only the locking device 100 is provided on the main seat 9a side. The tandem sheet 9b can also be fixed.

  In the above-described embodiment, the case where both the front rotation shaft 98 and the rear rotation shaft 24d extend in the vehicle width direction has been described. However, in the present invention, each rotation shaft is predetermined with respect to the vehicle width direction. You may incline so that it may have an angle.

1 is a side view of a motorcycle according to an embodiment of the present invention. Fig. 3 is a cross-sectional side view of a storage box mounted on the motorcycle. It is a side view of the main seat arrange | positioned at the said storage box. It is a top view of the storage box by which the said main sheet | seat is arrange | positioned. FIG. 5 is a sectional view taken along line V-V in FIG. 4. It is the VI-VI sectional view taken on the line of FIG. It is the VII-VII sectional view taken on the line of FIG. It is the VIII-VIII sectional view taken on the line of FIG. It is a side view of the tandem sheet | seat arrange | positioned at the said storage box. It is a top view of the storage box by which the said tandem sheet | seat is arrange | positioned. It is the XI-XI sectional view taken on the line of FIG. It is the XII-XII sectional view taken on the line of FIG. It is XIII-XIII sectional view taken on the line of FIG. It is the XIV-XIV sectional view taken on the line of FIG. It is the XV-XV sectional view taken on the line of FIG. FIG. 10 is a cross-sectional view taken along line XVI-XVI in FIG. 9. It is a figure which shows the state at the time of the full closure of the said sheet | seat. It is a side view of the sheet | seat support mechanism of the said tandem sheet | seat. It is a figure which shows opening operation | movement of the said tandem sheet | seat. It is a figure which shows the closing operation | movement of the said tandem seat.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Motorcycle 2 Body frame 9a Main seat 9a 'Rear edge part 9b Tandem seat 9b' Front edge part 24c Hinge bracket 24d Hinge pin (rear rotation axis) 33 Storage box (storage part)
33a Opening part 33b Front storage part 33c Rear storage part 86a Seat bottom plate 87d Stopper part 88 Grab bar (bracket)
88b Front leg portion 91e Lower extension portion 93b Upper extension portion 96b Guide portion 98 Hinge pin (front rotation shaft)
100 Main lock device (second lock device)
100d Connecting member 101 Tandem locking device (first locking device)
105 Seat support mechanism 105a Holding mechanism 105b Release mechanism 106 Stand 107 Torsion spring 109 Lever

Claims (22)

A vehicle body frame, a storage portion supported by the vehicle body frame, extending in the vehicle front-rear direction and opening upward, a main seat rotating around a front rotation shaft positioned at a front end portion of the storage portion; A motorcycle including a tandem seat that rotates about a rear rotation shaft located at a rear end of the storage unit;
The motorcycle according to claim 1, wherein the main seat opens and closes an opening front portion of the storage portion, and the tandem seat opens and closes an opening rear portion of the storage portion. In Claim 1, the storage part has a front storage part located on the front side of the vehicle and a rear storage part located on the rear side of the vehicle, the main seat opens and closes the opening of the front storage part, The motorcycle according to claim 1, wherein the tandem seat opens and closes an opening of the rear storage portion. The opening of the front storage part and the opening of the rear storage part are connected to each other in claim 2, and when both the main seat and the tandem seat are opened, one opening is opened. Motorcycle to do. The motorcycle according to claim 1, wherein both the front rotation shaft and the rear rotation shaft extend in the vehicle width direction. The vehicle front-rear direction dimension from the front rotation axis to the rear end of the main seat is set larger than the vehicle front-rear direction dimension from the rear rotation axis to the front end of the tandem seat. Motorcycle. 6. The motorcycle according to claim 5, wherein the front rotating shaft is located at a lower position than the rear rotating shaft. The motorcycle according to claim 4, wherein the rear end portion of the main seat covers the front end portion of the tandem seat from above when the main seat and the tandem seat are both closed. . The motorcycle according to claim 7, wherein the lock device that locks the main seat and the tandem seat in a closed state with respect to the vehicle body is provided at least on the main seat side. The motorcycle according to claim 1, wherein a rotation center of the tandem seat is located rearward of a rear end of the storage portion. The lock device according to claim 1, further comprising: a lock device that locks the main seat or the tandem seat to a vehicle body; and an operating member that is connected to the lock device and operates the lock device. A motorcycle characterized in that it is arranged on the side of the direction. In Claim 8, The said locking device has a 1st locking device which locks the said tandem seat to the vehicle body side, This 1st locking device is arrange | positioned at the vehicle width direction left and right both sides of the said accommodating part. A motorcycle characterized by that. In Claim 8, the lock device has a second lock device that locks the main seat to the vehicle body side, and the second lock device is disposed on both left and right sides of the storage portion in the vehicle width direction, The left-side locking device and the right-side locking device of the second locking device are connected via a connecting member. The motorcycle according to claim 9, further comprising a bracket attached to the vehicle body frame and extending rearward from a rear end portion of the storage portion, wherein the bracket is provided with a rotation center of the tandem seat. 14. The motorcycle according to claim 13, wherein the bracket is a grab bar that is gripped by an occupant seated on the tandem seat, and the tandem seat is rotatably attached to the grab bar. 15. The grab bar according to claim 14, wherein the grab bar is disposed below the tandem seat, has a leg portion fixed to the body frame, and the left and right first locking devices are fixed to the lower surface of the leg portion. A motorcycle characterized by that. The motorcycle according to claim 14, wherein an assembly is formed in advance by the tandem seat, a hinge bracket that supports the tandem seat, and a grab bar, and the assembly is assembled to a vehicle body frame. The motorcycle according to claim 1, wherein a waterproof structure is provided between a rear end portion of the main seat and a front end portion of the tandem seat. In claim 1, the bottom plate of the tandem seat is formed with a downward extension extending downward, and the rear portion of the storage portion is formed with an upward extension extending upward, and when the tandem seat is closed, The motorcycle according to claim 1, wherein the lower extension portion and the upper extension portion have overlapping portions overlapping in the vehicle width direction. 2. The motorcycle according to claim 1, wherein the tandem seat includes a seat support mechanism that holds the tandem seat in a self-supporting state with the tandem seat open. 20. The holding mechanism for holding the tandem sheet in the self-standing state when the sheet support mechanism rotates about a rotation shaft and rotates the tandem sheet to a self-standing position, and a tandem sheet A motorcycle comprising: a release mechanism that releases the self-supporting state when the vehicle is rotated beyond the self-supporting position. 21. The holding mechanism according to claim 20, wherein the holding mechanism includes a hinge bracket that supports the tandem seat, a stand that is rotatably supported by the hinge bracket, and a torsion spring that urges the stand toward a standing position or a prone position. And a stopper portion to which the stand is locked, and the torsion spring biases the stand toward the standing position when the tandem seat is at an angular position from the self-standing position to the fully closed position. A motorcycle characterized by that. The release mechanism according to claim 20 or 21, wherein the release mechanism includes a torsion spring that urges the stand toward a standing position or a prone position, a lever that switches an urging direction of the torsion spring, and a guide portion that guides the lever. The torsion spring biases the stand toward the prone position when the lever is rotated to the release position, and biases the stand toward the standing position when the lever is rotated to the standing position. A characteristic motorcycle.

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