JP5358654B2 - Motorcycle - Google Patents

Description

  The present invention relates to a motorcycle provided with a theft countermeasure device.

  2. Description of the Related Art A motorcycle equipped with a theft countermeasure device that detects vehicle position information and wirelessly communicates the position information is known (for example, see Patent Document 1).

  In FIG. 14 of Patent Document 1, the upper part of the rear part of the vehicle body is covered with a seat 6 for seating (symbol is diverted from the same publication; the same applies hereinafter) so as to be openable and closable. A storage box 5 (hereinafter referred to as “storage box 5”) is provided, an antitheft device 20 is disposed inside the storage box 5, and an interior sheet 61 is provided on the upper surface of the antitheft device 20. .

  When the antitheft device 20 is arranged in the storage box, if the storage box 5 is provided with a recess so that the capacity of the storage box 5 is not reduced, the shape of the storage box 5 becomes complicated.

JP 2002-362448 A (FIG. 14)

  It is an object of the present invention to provide a motorcycle equipped with a theft countermeasure device that can suppress the expansion of the width of the vehicle without reducing the storage box capacity or complicating the shape of the storage box. To do.

The invention according to claim 1, a head pipe, a main frame extending obliquely rearward downward from the head pipe, an engine disposed below the main frame, the rear from the intermediate portion of the main frame, and left and right sheet and the left and right sub-frame which extends outward, and a center cover for covering the upper side of the main frame, a storage box disposed above the rear portion of the main frame, the driver is provided on an upper portion of the storage box sits When, in a motorcycle and a anti-theft device for radio communication with the location information for detecting the position information of the vehicle is disposed in front of the storage box between the main frame and the center cover, engine, mainframe is suspended, the sub-frame is arranged from the anti-theft device downwardly, the storage box is formed of a synthetic resin, sheet In front of the vehicle, above the main frame, there is a space for the driver to straddle the main frame. The storage box has a front wall that supports the front portion of the seat and a rear wall that is disposed opposite to the front wall, and a lower portion of the front wall that is located behind the antitheft device. Is formed so as to be inclined obliquely downward toward the rear .

  In the invention according to claim 2, the subframe extends rearward and laterally outward from the middle portion of the main frame, and then extends obliquely upward to the rear. A fuel tank is supported on a rear portion extending obliquely upward.

  According to a third aspect of the present invention, the sub-frame extends horizontally rearward from the middle portion of the main frame and horizontally outward, and swings the front end of the swing arm that supports the rear wheel via the pivot shaft. It is characterized in that left and right pivot frames that support freely are suspended.

  In the invention according to claim 4, the main frame extends obliquely rearward and downward from the front end portion to the rear end portion that swingably supports the swing arm that supports the rear wheel via the pivot shaft. The engine is suspended, and a bracket having a horizontal mounting surface to which the antitheft device is mounted in a horizontal posture is coupled to the upper surface of the main frame.

  In the invention according to claim 5, the bracket is attached to the front support portion attached to the upper surface of the main frame and extending rearward, and a cross member spanned between the left and right subframes, and the rear portion extending upward. It consists of a support part and a horizontal mounting surface spanned between these front support part and rear support part.

In the invention according to claim 1, the antitheft device is arranged between the main frame and the center cover.
In the case where the sheet support member also serves as a storage box, when the antitheft device is conventionally arranged inside the storage box, the capacity of the storage box is reduced, so a recess is necessary to secure the capacity. Accordingly, the shape of the storage box becomes complicated.

  In this regard, in the present invention, since the antitheft device is arranged between the main frame and the center cover, the antitheft device can be arranged by effectively utilizing the space between the main frame and the center cover. it can. Thereby, since an antitheft device can be arranged irrespective of a storage box, it can control that the shape of a storage box becomes complicated.

Furthermore, the present invention can be applied to a vehicle having a small storage box or a vehicle not including a storage box.
Furthermore, since there are few metal vehicle components above the center cover, wireless communication for detecting vehicle position information can be performed satisfactorily.

  In the invention according to claim 2, the fuel tank is arranged behind the seat support member. Since this fuel tank is supported by a rear frame formed of a material such as iron extending obliquely upward from the main frame toward the rear, the fuel tank is firmly supported by this rear frame. Can do.

  On the other hand, a theft countermeasure device is arranged in front of a sheet support member formed of synthetic resin. The seat support member that is placed next to the anti-theft device and supports the seat is made of synthetic resin, so it can secure a distance from the fuel tank, and the fuel tank is made of a material such as iron. Even if it exists, radio | wireless communication can be performed favorably.

In the invention which concerns on Claim 4, the bracket which has a horizontal attachment surface is provided in the upper surface of a main frame, and an antitheft device is attached to a horizontal attachment surface with a horizontal attitude | position.
If the antitheft device is in a horizontal posture, the receiving surface of the antenna that receives position information can be leveled, and a large reception area of the antenna can be secured. If the reception area of the antenna is increased, vehicle position information can be received more satisfactorily.

1 is a left side view of a motorcycle according to the present invention. 1 is a block diagram of an antitheft device provided in a motorcycle of the present invention and its peripheral part. 1 is a side view of a main part of a motorcycle according to the present invention. 1 is a plan view of a main part of a motorcycle according to the present invention. It is another Example figure of FIG. FIG. 6 is a view taken along arrow 6 in FIG. 5. It is a perspective view explaining the attachment structure of the antitheft device which concerns on another Example.

  Hereinafter, embodiments of the present invention will be described in detail. In the drawings and examples, “up”, “down”, “front”, “rear”, “left”, and “right” respectively indicate directions viewed from the driver who rides the motorcycle. The drawings are viewed in the direction of the reference numerals.

First, Embodiment 1 of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a motorcycle 10 includes a body frame 11, a steering shaft 13 that is inserted in a body pipe 11 that is included in the body frame 11 and that constitutes a front end portion of the body frame 11, and a steering shaft 13. A steering handle 15 extending to the upper end of the front fork 14 and the steering shaft 13 extending downward, a front wheel 16 supported to be steerable by the lower end of the front fork 14, and the center of the body frame 11 An engine 17 serving as a drive source disposed in the section, and swing arms 18L and 18R (only the reference numeral 18L on the front side in the figure is shown. And a rear wheel 19 rotatably supported at the rear ends of the swing arms 18L and 18R.

  After the body frame 11 extends horizontally from the head pipe 12, one main frame 21 extending obliquely downward and rearward from the head pipe 12, and from the middle portion of the main frame 21 to the left and right outwards The left and right sub-frames 22L and 22R as rear frames extending obliquely upward at the rear (only the reference numeral 22L on the front side of the figure is shown), the rear of the main frame 21 and the left and right sub-frames 22L and 22R. Left and right pivot plates 29L, 29R (only the reference numeral 29L on the front side of the drawing is shown), and the left and right subframes, which are suspended from and swingably support the front ends of the swing arms 18L, 18R via the pivot shaft 28. The rear frame 32 extending rearward from the rear end portions of 22L and 22R and having a substantially U shape in plan view, and the subframe 2 Cushion brackets 34L, 34R (reference numerals 34L on the front side of the figure) to which the upper ends of rear cushion units 33L, 33R (only the reference numeral 33L on the front side of the figure is shown; the same applies hereinafter) are provided between the L and 22R and the rear frame 32. Only the same, the same shall apply hereinafter).

  The engine 17 is suspended from the vehicle body frame 11, a crankcase 36 having a built-in transmission is provided at the rear, a cylinder 38 is provided at the front of the crankcase 36, and a cylinder head at the front end of the cylinder 38. 39, an intake device 41 is connected to the upper part of the cylinder head 39, and an exhaust device 42 is connected to the lower part of the cylinder head 39.

  The intake device 41 includes a throttle body 45 having one end connected to the cylinder head 39 via an intake pipe 44, and an air cleaner 46 connected to the other end of the throttle body 45. The exhaust device 42 has one end connected to the lower portion of the cylinder head 39 and extends downward and rearward from the engine 17, and a silencer 49 connected to the other end of the exhaust pipe 48 and extending rearward. It consists of.

  The rear structure of the vehicle body will be described. A storage box 119 as a container is attached between the left and right sub-frames 22L and 22R, a fuel tank 52 is disposed behind the storage box 119, and the fuel tank 52 is disposed from the storage box 119 to the fuel tank 52. A seating occupant seat 54 is provided over the upper portion through a hinge portion 53 so as to be opened and closed. The hinge portion 53 is provided at the front end portion of the occupant seat 54. Reference numeral 56 denotes a helmet stored in the storage box 119.

  The outside of the body frame 11 is covered with a body cover 58. The vehicle body cover 58 includes a vehicle body front cover 61 that covers the periphery of the head pipe 12, a center cover 60 that covers the upper part of the main frame, and a vehicle body rear cover 62 that covers the rear part of the vehicle body including the lower part of the occupant seat 54.

  The vehicle body front cover 61 includes a front cover 63 that constitutes the front surface of the vehicle body, and a leg shield 64 that is provided continuously behind the front cover 63 and covers the front of the occupant's knees.

  Between the main frame 21 and the center cover 60, a theft countermeasure device 66 that detects vehicle position information and wirelessly communicates the position information is disposed. Details of the antitheft device 66 will be described later.

  In the figure, 68 is a drive gear provided on the output shaft 69 of the engine 17, 71 is a chain, 72 is a sprocket, 73 is a main stand, 74F is a front fender, 74R is a rear fender, 75 is a headlamp, and 76 is on the rear right side of the vehicle body. An engine control unit arranged to control the engine, 77 is a tail lamp (tail lamp unit), 78L, 78R (only the reference numeral 78L on the front side in the figure) is a pillion step, 79L, 79R (only the reference numeral 79L on the front side in the figure) is shown. ) Is a pillion step member that extends obliquely rearward and downward from the subframes 22L and 22R, and has pillion steps 78L and 78R attached to the lower ends.

FIG. 2 shows a block diagram of the anti-theft device provided in a motorcycle and its peripheral part, which will be described with reference to FIG.
The anti-theft device 66 includes an acceleration sensor 81 that detects vibration applied to the body of a vehicle (motorcycle) and a global positioning system that detects the current position of the vehicle by receiving orbit information from a plurality of artificial satellites ( Global Positioning System) 82, a control unit 83 that receives an acceleration signal SA from the acceleration sensor 81 and a position information JP from the global positioning system 82, and instructs a theft countermeasure, and a communication command SC from the control unit 83. The mobile phone communication unit 85 that transmits the position information JP to the mobile phone base station 84, and the ignition stop signal SSS is sent to the engine ignition device 86 based on the engine control signal SEC from the control unit 83 to stop the operation of the ignition device 86. That is, an engine control unit 87 that stops the engine 17 and an alarm from the control unit 83 Based on the control signal SAC, an alarm device 88 (head lamp 75, turn signal (reference numeral 91L in FIG. 1), lighting device 93 such as the head lamp 75, etc., an alarm generating unit for operating the lighting device 93 and the horn by sending an alarm signal SA to the horn. 96 and an internal power supply 98. As the internal power supply 98, for example, a lithium battery is used.

As shown in FIG. 3, the anti-theft device 66 is mounted on a bracket (described later) provided on the main frame 21,
It is provided in a space between the center cover 60 and the upper part of the main frame 21.

  When the antitheft device 66 including the global positioning system 82 and the mobile phone communication unit 85 is disposed between the main frame 21 and the center cover 60, when receiving orbit information from a satellite and transmitting position information. Since there is no metal structure enough to completely cover the anti-theft device 66, radio waves are not blocked, so that transmission / reception sensitivity is improved and the anti-theft device 66 has a low degree of freedom in arrangement. Even with a two-wheeled vehicle, the antitheft device 66 can be operated satisfactorily.

A front cross plate 111 as a cross member is spanned between the left and right subframes 22L and 22R, and a cross pipe 112 is spanned between the left and right subframes 22L and 22R behind the front crossplate 111. A pair of left and right rear stays 113L and 113R (only the front side reference numeral 113L is shown; the same applies hereinafter) are attached to the cross pipe 112.
On the front cross plate 111, a pair of left and right front spacers 115L, 115R (only the front side reference numeral 115L is shown; the same applies hereinafter) are placed on the left and right rear stays 113L, 113R, and a pair of left and right rear spacers 116L, 116R. (Only the reference numeral 116L on the front side is shown. The same applies hereinafter) is placed, and fastening members 117... (... indicate a plurality. The same applies hereinafter on the upper surfaces of the front and rear spacers 115L, 115R, 116L, 116R. .) Is attached to the sheet support member 118. In the present embodiment, the seat support member 118 is a storage box 119 in which a helmet can be stored. The storage box 119 is made of synthetic resin, and a theft countermeasure device 66 is disposed in front of the storage box 119.

  That is, a storage box 119 as a seat support member 118 is disposed on the sub-frames 22L and 22R located above the rear portion of the main frame 21, and an occupant seat 54 as a seat on which a driver is seated is disposed above the storage box 119. Is provided.

  A fuel tank 52 is disposed behind the seat support member 118 (storage box 119), and the fuel tank 52 extends obliquely upward from the main frame 21 toward the rear, and is a sub-frame 22L as a rear frame. , 22R is supported by the rear part.

  A fuel tank 52 is disposed behind the seat support member 118, and the fuel tank 52 extends obliquely upward from the main frame 21 toward the rear, and is formed of a material such as iron in the same manner as the main frame 21. Since it is supported by the frames 22L and 22R, the fuel tank 52 can be firmly supported.

  On the other hand, a theft countermeasure device 66 is disposed in front of the sheet support member 118 formed of synthetic resin. The storage box 119 as the seat support member 118 that is arranged adjacent to the antitheft device 66 and supports the occupant seat 54 (seat 54) is made of synthetic resin, so that a distance from the fuel tank 52 can be secured. Even if the fuel tank 52 is made of a material such as iron, wireless communication can be performed satisfactorily. In other words, since the anti-theft device 66 is provided with synthetic resin parts instead of metal parts, wireless communication can be performed satisfactorily.

  In this case, the seat support member 118 made of synthetic resin is disposed above the rear portion of the main frame 21, and the antitheft device 66 is disposed in front of the sheet support member 118. Can be performed satisfactorily.

  In addition, since the seat support member 118 is a storage box 119 in which the helmet 56 can be stored, the antitheft device 66 and the fuel tank 52 can be sufficiently separated. Even when the fuel tank 52 is made of metal such as iron, the antitheft device 66 can satisfactorily perform wireless communication for receiving vehicle position information.

  Referring to FIGS. 1 and 3 together, in front of the seat 54, above the main frame 21, a driver 121 straddling space 121 is provided across the main frame 21. In the vehicle front-rear direction, at least a part of the anti-theft device 66 is disposed at a position where it overlaps the front portion 123 of the seat.

  The anti-theft device 66 is arranged in a position where at least a part of the anti-theft device 66 overlaps with the front portion 123 of the seat in the vehicle front-rear direction. Thus, the amount of overhang (δ) overhanging the straddling space 121 can be suppressed. If the overhang amount (δ) can be suppressed, a large straddling space 121 in front of the seat 54 can be secured. Since the straddle space 121 is largely secured, the driver can easily straddle the main frame 21.

  The storage box 119 as the seat support member 118 includes a front wall 126 that supports the front portion of the seat 54 and a rear wall 127 that is disposed to face the front wall 126. And the front wall 126 is formed so that the part located in the back of the antitheft device 66 may be inclined diagonally downward.

  When a portion of the front wall 126 located behind the antitheft device 66 is a front wall lower portion 128, the front wall lower portion 128 is provided to be inclined obliquely downward at an angle θ toward the rear with respect to the vertical direction. Therefore, compared to the case where the front wall lower portion 128 is not provided obliquely downward toward the rear, the anti-theft device 66 can be moved rearward in the vehicle front-rear direction and disposed near the front wall lower portion 128. The overlapping length (L) of the front portion 123 of the sheet and the antitheft device 66 can be increased.

  If the overlapping length (L) of the front portion 123 of the seat and the antitheft device 66 is increased, the overhang amount (δ) protruding to the straddling space 121 can be suppressed, and the straddle provided in front of the seat 54 can be suppressed. A larger space 121 is secured, and the driver can more easily cross the main frame 21.

FIG. 4 shows a plan view of the main part of the motorcycle, and the bracket to which the antitheft device 66 is attached will be described with reference to FIG.
Left and right patch members 131L and 131R as reinforcing members are attached to the main frame 21, and tip portions 132L and 132R of the left and right subframes are attached to these patch members 131L and 131R.

The bracket 135 to which the antitheft device 66 is attached is attached to the patch member 131L provided on the upper surface of the main frame 21 and extends backward, and the rear support attached to the front cross plate 111 and extended upward. A horizontal mounting surface 138 spanned between the rear end portion of the front support portion 136 and the upper end portion of the rear support portion 137, and the anti-theft device 66 is placed above the main frame, The claw portions 141 and 142 and the left claw portion 143 before and after the anti-theft device 66 protruding from the end portion of the horizontal mounting surface 138 are provided.
Since the bracket 135 has a horizontal mounting surface 138 disposed substantially horizontally, the antitheft device 66 can be mounted in a horizontal posture.

  The antitheft device 66 is attached to the horizontal attachment surface 138 of the bracket 135 in a horizontal posture. If the posture is horizontal, the receiving surface of the antenna that receives position information can be leveled, and a large reception area of the antenna can be secured. If the reception area of the antenna is increased, wireless communication for receiving vehicle position information can be performed more satisfactorily.

  In addition, a connector portion 173 connected to another device is disposed on the right side surface 158 of the antitheft device 66. Since the engine control unit (reference numeral 76 in FIG. 3) is arranged at the rear right side of the vehicle body, the length of the wiring connecting the connector portion 173 and the engine control unit 76 can be shortened.

Hereinafter, the structure of the antitheft device attached to the front and rear claws 141 and 142 and the left claw 143 will be described.
The antitheft device 66 includes a case body 151 as a box covering the outside thereof, and an elastic member 152 attached to the outer periphery of the case body 151. The elastic member 152 includes front and rear claw portions 141, 142 and It is attached to the left claw part 143.

  The elastic member 152 has a function of absorbing the impact of the antitheft device 66 and is mounted on the outside of the case body 151 so as to surround the case body 151. In this embodiment, the elastic member 152 uses rubber, but may be a member such as resin.

Hereinafter, the structure of the elastic member 152 will be described.
The elastic member 152 extends to the left from the first holding portion 161 that is mounted so as to surround the upper surface 153 of the case body 151, the front and rear side surfaces 155 and 156, and the lower surface 154. A second holding part 162 mounted so as to surround the upper surface 153, the left side surface 157, and the lower surface 154 of the case body 151; and a front claw portion of the case body 151 provided at the front and rear parts of the first holding part 161 The first convex portion 163 and the second convex portion 164 are formed at portions corresponding to the 141 and the rear claw portion 142, respectively, and the first engaging hole 165 into which the front claw portion 141 is inserted is provided in the first convex portion 163. A second engagement hole 166 into which the rear claw portion 142 is inserted is provided in the second convex portion 164, and a third convex portion 167 is provided in a portion corresponding to the left side surface 157 of the case body 151 provided in the second holding portion 162. Formed, this third Third engaging hole 168 Hidaritsume portion 143 is inserted into the section 167 is provided. Then, the front claw portion 141, the rear claw portion 142 and the left claw portion 143 are inserted into the first to third engagement holes 165, 166 and 167 so that the antitheft device 66 is attached to the bracket 135.

  First, second, and third engagement holes 165, 166, and 168 provided on the antitheft device 66 side are engaged with the front claw portion 141, the rear claw portion 142, and the left claw portion 143, respectively. Are provided with retaining portions 171... That are wider than the width of each claw portion.

The operation of the motorcycle described above will be described next.
The antitheft device 66 is disposed between the main frame 21 and the center cover 60.

  In the present invention, since the anti-theft device 66 is disposed between the main frame 21 and the center cover 60, the anti-theft device is disposed by effectively utilizing the space between the main frame 21 and the center cover 60. be able to. Thereby, since the antitheft device 66 can be arranged irrespective of the storage box 119, it can suppress that the shape of the storage box 119 becomes complicated.

Furthermore, the present invention can be applied to a vehicle having a small storage box 119 or a vehicle that does not include a storage box.
Furthermore, since there are few metal vehicle components above the center cover 60, wireless communication for detecting vehicle position information can be performed satisfactorily.

Next, a second embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 5, in the figure, the reference numerals of the components of the vehicle body frame that are the same as those in the first embodiment are those obtained by adding 200 to the embodiment. For example, in the embodiment, the sign of the body frame is 11, but in another embodiment, the sign of the body frame is 211, and the description of the common elements is omitted.

The following description will focus on the points that are significantly different from FIG.
In the motorcycle 10 </ b> B, left and right seat rails 241 </ b> L and 241 </ b> R (only the reference numeral 241 </ b> L on the front side in the figure) is extended from the middle portion of the main frame 221 toward the rear and upward from the middle portion of the main frame 221. Left and right sub-frames 222L and 222R (only the reference numeral 222L on the front side of the figure is shown. The same applies hereinafter) are extended obliquely upward from the rear, and the rear ends of the sub-frames 222L and 222R are connected to the seat rails 241L and 241R. Has been.

  The arrangement of the anti-theft device will be described below. A bracket 135B is attached to the upper surface of the front portion of the main frame 221, near the head pipe 212, and the anti-theft device 66B is attached to the bracket 135B. The antitheft device 66B is provided in the space between the center cover 60B. The upper portion of the antitheft device 66B is covered with a center cover 60B.

An air cleaner 46B, which is a constituent member of the intake device 41B, is disposed on the rear upper side of the engine 17B, and a fuel tank 52B is disposed adjacent to the rear of the air cleaner 46B. A storage box is not provided. There are no other significant changes.
In the figure, 242 is a secondary air cleaner, and 251 is a secondary air control valve.

  As shown in FIGS. 6 and 7, a bracket 135B to which the antitheft device 66B is attached is attached to the upper surface 243 of the main frame. The bracket 135B includes a mounting surface 244 on which the anti-theft device 66B is placed, and claw portions 245 and 246 and a right claw portion 247 that project upward from the mounting surface 244 and stop the anti-theft device 66B. Become.

  A significant difference from FIG. 4 is that the anti-theft device 66B is disposed opposite to the left and right, and the connector portion 173B is disposed on the left side. Accordingly, the second holding portion 162B constituting the elastic member 152B surrounding the case body 151B is mounted so as to surround the upper surface 153B, the right side surface 158B, and the lower surface (reference numeral 154B in FIG. 5). There are no other significant changes.

The anti-theft device 66B is disposed in the front portion of the vehicle, and is disposed in a space between the main frame 221 and the center cover 60B. Since there are few metal vehicle components above the center cover 60B, vehicle position information can be received satisfactorily.
In addition, since the anti-theft device 66B is disposed between the main frame 221 and the center cover 60B, the anti-theft device 66B can be applied to a vehicle that does not include a storage box.

  Although the present invention is applied to a motorcycle in the embodiment, it can also be applied to a tricycle and can be applied to a general straddle-type vehicle.

  The present invention is suitable for a motorcycle equipped with a theft countermeasure device.

  DESCRIPTION OF SYMBOLS 10, 10B ... Motorcycle, 12, 212 ... Head pipe, 17, 17B ... Engine, 18L, 18R ... Swing arm, 19 ... Rear wheel, 21, 221 ... Main frame, 22L, 22R ... Left and right rear frame (subframe) ), 28 ... Pivot shaft, 29L, 29R ... Pivot plate, 52 ... Fuel tank, 54, 54B ... (Occupant) seat, 56 ... Helmet, 60, 60B ... Center cover, 66, 66B ... Anti-theft device, 111 ... Cross Member (front cross plate), 118 ... seat support member, 119 ... storage box, 125 ... rear part of main frame, 126 ... front wall, 135, 135B ... bracket, 136 ... front support part, 137 ... rear support part, 138 ... Horizontal mounting surface, 152, 152B ... elastic member.

Claims (5)

A head pipe (12), a main frame (21) extending obliquely rearward and downward from the head pipe (12), an engine (17) disposed below the main frame (21), and the main frame (21) Left and right subframes (22L, 22R) extending rearward from the middle portion of the main frame (21), a center cover (60) covering the top of the main frame (21), and the main frame (21 ) and housing box (119) which is disposed above the rear portion of a seat 54 provided by the driver is seated on top of the storage box (119), said main frame (21) and said center cover (60) An anti-theft device (66) which is arranged in front of the storage box (119) and detects the position information of the vehicle and wirelessly communicates the position information; In motorcycles equipped with
The engine (17) is suspended from the main frame (21),
The subframes (22L, 22R) are disposed below the antitheft device (66) ,
The storage box (119) is made of synthetic resin, and in front of the seat (54) and above the main frame (21), a driver straddling space (121) straddling the main frame (21). The anti-theft device (66) is arranged in a position where at least a part of the anti-theft device (66) overlaps with the front portion (123) of the seat (54) in the vehicle front-rear direction in a side view. And
The storage box (119) includes a front wall (126) that supports a front portion of the seat (54), and a rear wall (127) that is disposed to face the front wall (126), and the anti-theft measures The motorcycle according to claim 1, wherein a lower portion of the front wall (126) located at the rear of the device (66) is formed to be inclined obliquely downward toward the rear . The sub-frames (22L, 22R) extend rearward and laterally outward from the middle portion of the main frame (21), and then extend obliquely upward to the rear of the storage box (119) . The motorcycle according to claim 1, wherein a fuel tank (52) is supported on the rear part extending rearward and obliquely upward.   The sub-frames (22L, 22R) extend horizontally from the middle portion of the main frame (21) to the rear and to the left and right outward, and the left and right pivot plates (29L) extend from the sub-frames (22L, 22R). 29R) is suspended, and the front end of the swing arm (18L, 18R) supporting the rear wheel (19) is swingable via a pivot shaft (28) provided on the left and right pivot plates (29L, 29R). The motorcycle according to claim 1 or 2, wherein the motorcycle is supported by the vehicle. The main frame (21) extends obliquely rearward and downward from the front end portion to the rear end portion that swingably supports the swing arms (18L, 18R) supporting the rear wheel (19) via the pivot shaft (28). And
The engine (17) is suspended below the main frame (21),
The bracket (135) having a horizontal mounting surface (138) to which the antitheft device (66) is mounted in a horizontal posture is coupled to the upper surface of the main frame (21). 4. The motorcycle according to any one of items 3.   The bracket (135) is a cross member (between a front support part (136) attached to the upper surface of the main frame (21) and extending rearward and the left and right subframes (22L, 22R). 111) and a rear support portion (137) extending upward, and the horizontal mounting surface (138) spanned between the front support portion (136) and the rear support portion (137). The motorcycle according to claim 4, wherein

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