JP5469945B2 - Motorcycle - Google Patents

Description

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

  As a vehicle antitheft device, there is a device provided with a theft detection sensor and an alarm device in the vehicle, and an alarm sound is generated by the alarm device when the vehicle is stolen. Alternatively, there is one that connects a theft detection sensor to the engine control unit and makes the engine unstartable. In addition to the above elements, a global positioning system (GPS) and a mobile phone communication unit are provided in the vehicle, the position of the vehicle stolen by GPS is detected, and the mobile phone communication unit detects the vehicle position information by a mobile phone, etc. Are known (see, for example, Patent Document 1 (FIGS. 1 and 4)).

  In FIG. 1 of Patent Document 1, a motorcycle is provided with a body frame 1 (reference numerals are diverted from the same publication; the same applies hereinafter), and a storage box 5 is attached to the rear portion of the body frame 1. Yes.

  In FIG. 4 of patent document 1, the antitheft device 20 is arrange | positioned inside the container case 5, and the two helmets H1 and H2 are accommodated in the container box 5 so that this antitheft device 20 may be avoided.

However, since the antitheft device 20 is provided in the container box 5, the storage capacity in the container box 5 is reduced.
Similarly, even in a motorcycle that does not include a storage box, providing an anti-theft device may reduce the space for placing articles and affect the degree of freedom in placing articles.
2. Description of the Related Art There is a demand for a technique that can provide an antitheft device while maintaining an article arrangement space in a motorcycle that has a limited article arrangement space.

JP 2002-362448 A

  An object of the present invention is to provide a technology capable of providing an antitheft device while maintaining an article arrangement space in a motorcycle having a limited article arrangement space.

The invention according to claim 1 is a vehicle body frame that supports the front wheels so as to be steerable and supports the rear wheels so as to be swingable, a fuel tank provided in a front portion of the vehicle body frame, An occupant seat provided on the body frame at the rear, a grab rail having a grip portion extending along the edge of the occupant seat and attached to the body frame, and measuring the position information of the vehicle and this position information In a motorcycle provided with a theft countermeasure device that wirelessly transmits the antitheft device, the antitheft device is arranged so that at least a part of the antitheft device is exposed outward from the vehicle body frame in plan view, and a gripping portion The front seat support portion and the rear seat support portion that support the occupant seat are provided in the vehicle longitudinal direction of the vehicle body frame in the vehicle width direction. Device is disposed between the front seat support and the rear seat support, the vehicle longitudinal direction of the vehicle body frame, is provided a front seat support part and a rear seat support portion for supporting the occupant seat, anti-theft The apparatus is characterized in that it is arranged between the front seat support and the rear seat support .

  In the invention according to claim 2, when the vehicle body is viewed from above, an annular portion is formed by the grab rail and the vehicle body frame, and at least a part of the antitheft device is disposed inside the annular portion. It is characterized by.

In the invention according to claim 3 , the antitheft device is arranged such that the terminal portion faces inward in the vehicle width direction, the sub harness is extended from the terminal portion, and the sub harness is provided along the vehicle body frame. It is characterized in that it is joined to the main harness.

The invention according to claim 4 is provided with a front fastening portion and a rear fastening portion for attaching the grab rail to the vehicle body frame in the longitudinal direction of the vehicle, and a countermeasure against theft between the front fastening portion and the rear fastening portion. The apparatus is arrange | positioned and the protection plate which covers the upper direction of this antitheft device is characterized by being fastened together by the at least 1 fastening part of a front part fastening part and a rear part fastening part.

The invention according to claim 5 is characterized in that the antitheft device includes a GPS that measures the position of the vehicle and a mobile phone communication unit that transmits the measured position information.

In the invention according to claim 6 , the antitheft device includes a GPS that measures the position of the vehicle, a mobile phone communication unit that transmits the measured position information, and an acceleration sensor that detects vibration applied to the vehicle body during theft. And a control unit that integrally controls the GPS, the mobile phone communication unit, and the acceleration sensor, and an internal power source that supplies power to the GPS and the mobile phone communication unit.

In the invention according to claim 7 , the antitheft device has an engine stop function for stopping the start of the engine and an alarm function for issuing an alarm by operating a lighting device when the theft is detected. The engine stop function and the alarm function can be operated by connecting to the electrical system provided in the vehicle body.

The invention according to claim 8 is characterized in that the housing is formed in a box shape and is arranged in a state where the largest surface of the box is horizontal or nearly horizontal.

In the invention according to claim 1, a part of the antitheft device is disposed so as to be exposed outward from the body frame.
With such an arrangement, it is possible to provide a theft countermeasure device while suppressing the influence on the article arrangement space in a motorcycle having a limited article arrangement space.

  Also, a part of the anti-theft device is arranged so as to be exposed outward from the vehicle body frame. Since a part of the antitheft device is exposed to the outside, the transmission / reception sensitivity of the antitheft device can be kept good.

Furthermore, since a part of the anti-theft device arranged outside the body frame is arranged inside the grip portion of the grab rail, the exposed anti-theft device is protected by the grip portion. Is possible.
Furthermore, since the anti-theft device is arranged between the front seat support portion and the rear seat support portion, it is possible to reduce or avoid the load load on the anti-theft device without increasing the strength of the occupant seat. it can.

  In the invention according to claim 2, when the vehicle body is viewed from above, an annular portion is formed by the grab rail and the vehicle body frame, and at least a part of the antitheft device is arranged inside the annular portion.

  In the present invention, at least a part of the antitheft device is arranged inside the annular portion. Even if a part of the anti-theft device is exposed outward from the vehicle body frame, the anti-theft device can be protected by this annular part if the exposed part is provided inside the annular part. It becomes possible.

In the invention according to claim 3 , the antitheft device is arranged such that the terminal portion faces inward in the vehicle width direction, the sub harness is extended from the terminal portion, and the sub harness is joined to the main harness. Yes. Since the main harness is attached to the vehicle body frame, the sub-harness joined to the main harness can be reliably fixed by the vehicle body frame. Since the sub-harness is fixed by the main harness attached to the vehicle body frame, the sub-harness can be securely held. If the sub-harness is securely held, interference between the sub-harness and the covers can be suppressed when assembling peripheral members such as covers, and productivity can be improved.

In the invention which concerns on Claim 4 , the protection plate which covers the upper direction of an antitheft device was fastened together by the fastening part which attaches a grab rail to a vehicle body frame. That is, since the fastening portion of the protective plate is also used as the fastening portion of the grab rail, the antitheft device can be protected while suppressing an increase in the number of parts and an increase in the number of assembly steps.

In the invention according to claim 5 , the antitheft device includes a GPS that measures the position of the vehicle and a mobile phone communication unit that transmits the measured position information. By locating the antitheft device provided with such GPS and a mobile phone communication unit at the vehicle body position according to claims 1 to 5, measurement of the vehicle position by receiving orbit information from an artificial satellite by GPS and mobile phone communication When the position information is transmitted by the unit, radio waves are not blocked because there is no metal member above the GPS and mobile phone communication unit. For this reason, the transmission / reception sensitivity is improved, and the antitheft device can be made to function well even with a motorcycle having a low degree of freedom in arranging the antitheft device.

In the invention according to claim 6 , the antitheft device includes a GPS that detects position information, a mobile phone communication unit that transmits the detected position information, an acceleration sensor that detects vibration applied to the vehicle body during theft, A control unit that integrally controls the GPS, the mobile phone communication unit, and the acceleration sensor, and an internal power source that supplies power to the GPS and the mobile phone communication unit are provided in one housing. By positioning the antitheft device having such GPS and a mobile phone communication unit at the vehicle body position according to claims 1 to 5 , the vehicle position can be measured and carried by receiving orbit information from an artificial satellite by GPS. When the position information is transmitted by the telephone communication unit, there is no metal member above the GPS and the mobile phone communication unit. For this reason, since radio waves are not blocked, the transmission / reception sensitivity is improved, and the anti-theft device can function well even with a motorcycle having a low degree of freedom in arranging the anti-theft device.

  Moreover, since the anti-theft device system is housed in one housing, it is possible to improve the ease of assembly to the vehicle. In this case, even if the housing is increased in size, it is possible to prevent an increase in the size of the front portion of the vehicle by employing the anti-theft device arrangement structure as in the first to sixth aspects.

In the invention which concerns on Claim 7 , when a theft countermeasure apparatus detects a theft, it has an engine stop function which stops starting of an engine, and a warning function which operates a lighting device and issues a warning. By connecting the antitheft device to the electrical system provided in the vehicle body, the engine stop function and the alarm function can be operated. Therefore, by connecting the antitheft device to the electrical system provided in the vehicle body, the engine stop function and the alarm function. And can be activated. As a result, it is not necessary to arrange new functional parts or increase the wiring, and the cost can be suppressed.

  Further, by arranging the antitheft device as described above, the antitheft device can be connected to the basic wiring of the vehicle with a short dedicated wiring, so that the vehicle can be reduced in weight and size.

In the invention according to claim 8 , since the housing is formed in a box shape, and the largest surface of the box is arranged in a horizontal or nearly horizontal state, the arrangement of the functional components in the antitheft device is optimized. Thus, the area of the antenna provided in the GPS and mobile phone communication unit can be ensured, and transmission and reception can be performed satisfactorily.

1 is a left side view of a motorcycle according to the present invention. 1 is a left side view of a main part of a motorcycle according to the present invention. It is a disassembled perspective view explaining the attachment structure of the antitheft device which concerns on this invention. It is explanatory drawing which shows the anti-theft device which concerns on this invention, and its related components. It is a block diagram of the antitheft device which concerns on this invention. 1 is a plan view of a main part of a motorcycle according to the present invention. FIG. 6 is a plan view of a main part of a motorcycle according to a second embodiment. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 7. FIG. 6 is a plan view of a main part of a motorcycle according to a third embodiment. FIG. 6 is a plan view of a main part of a motorcycle according to a fourth embodiment.

  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.

A first embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, a motorcycle 10 includes a body frame 11 having a head pipe 12, a main frame 13 extending rearward from the head pipe 12, and a seat rail 14 extending rearward from an upper rear portion of the main frame 13. A front frame 15 extending obliquely downward and rearward from the head pipe 12, a down frame 16 provided behind the front frame 15 and extending substantially downward from a rear portion of the main frame 13, and a lower portion of the down frame 16 The vehicle includes a sub-frame 17 that spans between seat rails 14, and an engine 18 is attached to a front frame 15 and a down frame 16.

  A front fork 21 extends obliquely forward and downward from the head pipe 12, a front wheel 22 is attached to the lower end portion of the front fork 21, and a steering handle 23 for steering the front wheel 22 is attached to the upper end portion of the front fork 21. It has been.

  A pivot shaft 25 is provided in the down frame 16 in the vehicle width direction, and a swing arm 26 swings backward from the pivot shaft 25, and a rear wheel 27 is attached to a rear end portion of the swing arm 26. A cushion unit 28 extends from the rear portion of the swing arm 26 toward the seat rail 14, and an upper end portion of the cushion unit 28 is attached to a cross member 31 provided on the seat rail 14. Here, the body frame 11 is a member to which the engine 18 is attached and the front wheel 22 is steerable and the rear wheel 27 is swingably supported. A main stand 32 is attached to the lower end portion of the down frame 16.

  A fuel tank 33 is attached to the front portion of the main frame 13, and an occupant seat 34 on which an occupant is seated is attached to a seat rail 14 provided on the vehicle body frame 11 behind the fuel tank 33. Yes. The occupant seat 34 is a tandem seat that can seat two people.

A front portion of the engine 18 is attached to the front frame 15 via an engine hanger 35. A throttle valve 36 that supplies air-fuel mixture to the engine 18 is connected to the rear part of the engine 18, and an air cleaner case 37 that houses elements is connected to the rear part of the throttle valve 36.
The engine 18 is provided with an output shaft 41, and a driving force transmission chain 42 is provided between the output shaft 41 and the rear wheel 27, and the driving force of the engine 18 is transmitted to the rear wheel 27 by this chain 42. .

  A front fender 44 is provided on the front fork 21, a front cowl 45 is attached to the front portion of the head pipe 12, and a headlight 46 is attached to the front cowl 45.

  A battery box 51 is disposed in an area surrounded by the down frame 16, the seat rail 14, and the sub frame 17. The battery 52 is accommodated in the battery box 51, and the side of the vehicle body is covered to the side of the battery box 51. A side cover 53 is provided. The down frame 16 is a member that extends downward from a substantially central portion of the body frame 11.

  A grab rail 56 that can be held by an occupant is attached to the rear portion of the seat rail 14, a seat stay 57 that stops the occupant seat 34, and a rear fender 58 are attached to the seat rail 14. A rear cowl 61 that is attached to the rail 14 and covers the rear part of the vehicle body is provided.

Next, the structure of the grab rail and its peripheral part will be described.
In FIG. 2, a grab rail 56 is attached to the upper surface 62 of the seat rail, and a stay member 71 to which the antitheft device 63 is attached is attached.
A seat stay 57 for attaching the occupant seat 34 is provided on the end surface 72 of the rear end portion of the seat rail 14 in front of the stay member 71. In addition, a seat receiving portion 77 that receives the bottom 73 of the occupant seat is provided on the upper surface of the seat rail 14 behind the seat stay 57. The seat stay 57 and the sheet receiving portion 77 are provided on the left and right, respectively.

Next, the mounting structure of the grab rail and the anti-theft device will be described.
In FIG. 3, a grab rail 56 is attached to the rear end portion of the seat rail 14. The grab rail 56 includes a left forearm portion 81 and a right forearm portion 82 extending outward in the vehicle width direction, and an edge of an occupant seat (FIG. 1, reference numeral 34) from the other end of the left forearm portion 81 and the right forearm portion 82. The left gripping part 83 and the right gripping part 84 as the gripping part 80 extending rearward along the rear side, and the rear arm extending inward in the vehicle width direction from the rear ends of the left gripping part 83 and the right gripping part 84 Part 85 and a flange part 86 provided at the center of the rear arm part 85 in the vehicle width direction, and one end of the left forearm part 81 and the right forearm part 82 are front bolts 171 and 171 as front fastening parts. The flange portion 86 is attached to the seat rail 14 via rear bolts 172 and 172 as rear fastening portions. The grip portion 80 includes a left grip portion 83 and a right grip portion 84, and both are provided along the edge 74 of the occupant seat.
Among these, the left forearm portion 81, the left grip portion 83, the rear arm portion 85, the right grip portion 84, and the right forearm portion 82 are integrally formed.

On the seat rail 14, a stay member 71 that supports the antitheft device 63 is attached between the left forearm portion 81 and the left side of the rear arm portion 85. The stay member 71 is a member having a cross shape in a plan view including a cross portion 91 as one plate extending in the vehicle width direction and a long portion 92 as the other plate extending in the vehicle longitudinal direction. A first projecting portion 96 that is bent upward is provided at the left end portion of the cross portion 91, and a second projecting portion 97 that is bent upward and provided at the front end portion of the longitudinal portion 92. A third projecting portion 98 that is bent upward is provided at the rear end of the longitudinal portion 92, and the right portion of the cross portion 91 is welded to the seat rail 14.

The antitheft device 63 is provided with a housing 111 as a case body, and the periphery of the housing 111 is vertically and horizontally surrounded by an elastic member 112. The elastic member 112 is provided with three protrusions 113, and the protrusions 113 are provided with three engagement holes 105 that engage with the protrusions 96, 97, 98 provided on the stay member 71. Yes. The three engagement holes 105 include a first engagement hole 106 that engages with the first protrusion 96, a second engagement hole 107 that engages with the second protrusion 97, and a third protrusion 98. And a third engaging hole (reference numeral 108 in FIG. 6).

  Then, the elastic member 112 is attached to the housing 111, and the first to third engagement holes 106, 107, 108 formed in the elastic member 112 are inserted into the first to third projecting portions 96, 97, 98, respectively. Thus, the antitheft device 63 is attached to the stay member 71 provided at the rear end of the seat rail 14.

Seat stays 57 as front seat support portions that support the occupant seat 34 are attached to the seat rails 14 and in front of the left forearm portion 81 and the right forearm portion 82, respectively.
Further, left and right seat receiving portions 77 as rear seat support portions for supporting the occupant seat 34 are provided on the seat rail 14 and behind the stay member 71.

  That is, a seat stay 57 and a seat receiving portion 77 that support the occupant seat 34 are provided in the vehicle longitudinal direction of the body frame 11. The antitheft device 63 is disposed between the seat stay 57 and the sheet receiving portion 77.

Returning to FIG. 2, the load of the occupant seat 34 is supported by the seat stay 57 and the seat receiving portion 77, and the antitheft device 63 is disposed between the seat stay 57 and the seat receiving portion 77. Without increasing the strength of the seat 34, it is possible to reduce or avoid the load on the antitheft device 63.
The details of the housing 111 and the elastic member 112 of the antitheft device will be described with reference to the next figure.

4A shows a plan view of the anti-theft device 63, and FIG. 4B shows a 4 (b) arrow view of FIG. 4A.
The housing 111 is a rectangular parallelepiped case body including an upper surface 121, a lower surface 122, a front surface 123, a rear surface 124, a left surface 125, and a right surface 126, and terminal portions 174 and 175 to which connectors 127 and 128 are connected are provided on the right surface 126. It has been.

  The elastic member 112 includes a first holding portion 131 that surrounds the rear surface 124, the upper surface 121, the front surface 123, and the lower surface 122 of the housing 111. The elastic member 112 extends leftward from the first holding portion 131, and the upper surface 121 and the left surface 125 of the housing 111. A second holding portion 132 that surrounds the lower surface 122, and a first convex portion 116 having a first engagement hole 106 is provided in the second holding portion 132 along the left surface 125. A second convex portion 117 having a second engagement hole 107 is provided along the first holding portion 131, and a third convex portion having a third engagement hole 108 in the first holding portion 131 along the rear surface 124. 118 is provided. The first engagement hole 106, the second engagement hole 107, and the third engagement hole 108 are engaged with the first to third projecting portions 96, 97, and 98, respectively.

  Since the housing 111 is restrained by the elastic member 112 having the first engagement hole 106, the second engagement hole 107, and the third engagement hole 108, the vibration of the vehicle is absorbed by the elastic member 112 and theft. It is possible to make it difficult to transmit the vibration of the vehicle to the countermeasure device 63. In addition, the housing 111 can be securely fixed to the projecting portions 96, 97, and 98 of the stay member.

Next, the configuration of the antitheft device will be described.
In FIG. 5, the anti-theft device 63 includes a global positioning system 151 (GPS 151) that detects position information, an acceleration sensor 153 that detects vibration applied to the vehicle body during theft, and the global positioning system 151. A control unit 154 that integrally controls the position information JP and the acceleration signal SA from the acceleration sensor 153; a mobile phone communication unit 152 that transmits the position information JP to the mobile phone base station 156 based on the communication command SC of the control unit 154; Based on the engine control signal SEC from the control unit 154, an ignition stop signal SSS is sent to the ignition device 167 of the engine 18 (see FIG. 1) to stop the operation of the ignition device 167, that is, the engine control unit stops the engine 18. 157 and an alarm device 168 (headlamp, window) based on the alarm control signal SAC from the controller 154. Alarm generator 158 which sends an alarm signal SA to a lamp, a horn and a horn) to operate the lamp and horn, GPS 151, control unit 154, mobile phone communication unit 152, engine control unit 157 and alarm generation unit An internal power source 155 that supplies power to 158, and an internal power source 155 that supplies power to the global positioning system 151 and the mobile phone communication unit 152 are provided in one housing 111. The GPS 151, the control unit 154, the mobile phone communication unit 156, the engine control unit 157, and the alarm generation unit 158 can also be supplied with power from a battery on the vehicle body side (FIG. 1, reference numeral 52).

  Since the system of the anti-theft device 63 is housed in one housing 111, the assembly property to the vehicle can be improved. In this case, even if the housing 111 is enlarged, the enlargement of the entire vehicle can be prevented by adopting the anti-theft device arrangement structure as described above.

  The anti-theft device 63 has an engine stop function for stopping the start of the engine 18 and an alarm function for issuing an alarm by operating the headlight 46 as a lighting device when the theft is detected. Is connected to the electrical system provided in the vehicle body, the engine stop function and the alarm function can be activated.

  According to the above configuration, for example, the anti-theft device 63 can be operated by connecting the antitheft device 63 to the electrical system provided in the vehicle body such as the headlight 46 and the engine control unit 154, so that the engine stop function and the alarm function can be activated. It is not necessary to arrange functional parts or increase the number of wires, and existing parts can be used effectively as part of the anti-theft device 63.

2 and 3, the housing 111 is formed in a box shape, and the upper surface 121, which is the largest surface of the box, is disposed in a state close to horizontal.
The housing 111 is formed in a box shape, and the upper surface 121 of the housing, which is the largest surface of the box, is arranged in a state of being almost horizontal. The area of the antenna provided in the global positioning system (GPS) and the mobile phone communication unit can be secured, and transmission and reception can be performed satisfactorily.

  In FIG. 6, a seat rail 14 is provided on the body frame 11, and a grab rail 56 is attached to the seat rail 14. The grab rail 56 has a grip 80 extending along the edge 74 of the occupant seat.

  A front bolt 171 as a front fastening portion for attaching the grab rail 56 to the seat rail 14 and a rear bolt 172 as a rear fastening portion are provided in the longitudinal direction of the vehicle, and between these front bolt 171 and the rear bolt 172. The anti-theft device 63 is arranged on the outside of the seat rail 14 provided on the body frame 11 when a vehicle is viewed from above (in plan view). Are disposed so as to be exposed to each other, and are disposed inward in the vehicle width direction from the grip portion 80.

  Since the clamp member 170 that stops the sub-harness 176 is attached to the seat rail 14, the sub-harness 176 can be securely stopped on the vehicle body side, and when the passenger seat (FIGS. 1 and 34) is assembled, There is no worry that the harness 176 and the passenger seat 34 interfere with each other.

The operation of the motorcycle described above will be described next.
A part of the antitheft device 63 is disposed outward from the vehicle body frame 11. Conventionally, the anti-theft device 63 is often arranged inside the vehicle body frame 11. If the anti-theft device 63 is arranged inside the vehicle body frame 11, there may be an influence on the article arrangement space in a motorcycle with a limited article arrangement space.

  In this regard, in the present invention, a part of the anti-theft device 63 is disposed outward from the body frame 11. With such an arrangement, the antitheft device 63 can be provided in the motorcycle 10 having a limited article arrangement space while suppressing the influence on the article arrangement space.

  In addition, since a part of the anti-theft device 63 arranged outside the body frame is arranged inside the grab rail gripping portion 80, a part of the exposed anti-theft device 63 is held by the gripping portion 80. Can be protected by.

  Further, the antitheft device 63 is arranged so that a part thereof is exposed to the outside of the vehicle body frame 11. In detail, since it is arrange | positioned above the seat rail 14, favorable transmission / reception can be performed. In this case, the anti-theft device 63 is arranged offset to the left side with respect to the center C in the vehicle width direction, and a part of the anti-theft device 63 is provided outside the edge 74 of the occupant seat in plan view. Even when, for example, a plate-like metal member is placed on the upper surface of the occupant seat 34, good transmission / reception can be performed satisfactorily. Alternatively, even when a metal baggage is loaded on the rear part of the seat, the anti-theft device 63 projects from the side of the vehicle body, so that the transmission / reception sensitivity can be improved to some extent.

Furthermore, when the vehicle body is viewed from above, an annular portion 173 is formed by the grab rail 56 and the vehicle body frame 11, and at least a part of the antitheft device 63 is disposed inside the annular portion 173. At least a portion of the anti-theft device 63, since it is arranged on the inner side of the annular portion 173, it is possible to protect the anti-theft device 63 by the annular portion 173 in the longitudinal direction and the width direction of the vehicle.

  The anti-theft device 63 is arranged such that the terminal portions 174 and 175 are directed inward in the vehicle width direction, the sub harnesses 176 and 176 are extended from these terminal portions 174 and 175, and The main harness 177 provided along the frame 11 is joined. Since the main harness 177 is attached to the vehicle body frame 11, the sub-harnesses 176 and 176 can be reliably fixed by the vehicle body frame 11. By securely fixing the sub-harnesses 176 and 176 with the vehicle body frame 11, it is possible to prevent interference between the sub-harnesses 176 and 176 and the covers when assembling peripheral members such as covers. It becomes possible to increase.

  The antitheft device 63 is disposed in the rear cowl 61. If the anti-theft device 63 is arranged in the rear cowl 61, the anti-theft device 63 becomes invisible, so that the anti-theft effect can be enhanced and further protection can be achieved from the impact received from the outside.

  Since the anti-theft device 63 includes a global positioning system 151 that measures the position of the vehicle and a mobile phone communication unit 152 that transmits the measured position information, the global positioning system 151 and the mobile phone communication unit 152 are provided. By disposing the antitheft device 63 provided at the position of the vehicle body, when the vehicle position is measured by receiving the orbit information from the artificial satellite by the global positioning system and the position information is transmitted by the mobile phone communication unit 152, Since there is no metal member above the positioning system 151 and the mobile phone communication unit 152, radio waves are not blocked, so that transmission / reception sensitivity is improved and the anti-theft device 63 has a low degree of freedom in arrangement. The antitheft device 63 can function well. Specifically, the upper part of the global positioning system 151 and the mobile phone communication unit 152 is exposed or covered with a resin occupant seat 34 and there is no metal member.

Further, by arranging the anti-theft device 63 as described above, the anti-theft device can be connected to the basic wiring of the vehicle with a short dedicated wiring, so that the vehicle can be reduced in weight and size.
In addition, since the system of the antitheft device 63 is housed in one housing, it is possible to improve the assembling property to the vehicle. At this time, even if the housing 111 is enlarged, the enlargement of the front portion of the vehicle can be prevented by adopting the anti-theft device arrangement structure.

A second embodiment of the present invention will be described with reference to the drawings.
7 and 8, the protection plate 181 that covers the antitheft device 63 is fastened together with a front bolt 171 and a rear bolt 172. In addition, there is no significant difference from the first embodiment, and the description is omitted.

Since the protection plate 181 covering the upper portion of the antitheft device 63 is fastened together with the front bolt 171 and the rear bolt 172 that attach the grab rail 56 to the vehicle body frame 11, an increase in the number of parts and an increase in the number of assembly steps are suppressed. However, the anti-theft device 63 can be protected from the passenger seat 34 provided above the anti-theft device 63.
The protective plate 181 may be fastened only with the front bolt 171 or the rear bolt 172 alone.

A third embodiment of the present invention will be described with reference to the drawings.
9, the antitheft device 63 is arranged so that a part of the antitheft device 63 is exposed outwardly from the seat rail 14C as the body frame, and is located more in the vehicle width direction than the gripping portions 83C and 84C. It is arranged in the direction.

With such an arrangement, the anti-theft device 63 can be provided in a motorcycle that has a limited arrangement space for an article while suppressing the influence on the arrangement space for the article.
In addition, since a part of the anti-theft device 63 is arranged so as to be exposed outward from the vehicle body frame 14C, the transmission / reception sensitivity of the anti-theft device 63 can be kept good.

Further, since the antitheft device 63 arranged outside the vehicle body frame is arranged inside the grab rail gripping portions 83C, 84C, the exposed antitheft device 63 is partially attached to the gripping portion 83C, 84C makes it possible to protect.
In addition, there is no significant difference from the embodiment, and the description is omitted.

A fourth embodiment of the present invention will be described with reference to the drawings.
In FIG. 10, an annular portion 173D is formed by the grab rail 56D and the cross member 182 constituting the vehicle body frame 11D. The antitheft device 63 is arranged inside the annular portion 173D. With the above configuration, even if the antitheft device 63 is exposed outward from the vehicle body frame 11D, if a part of the exposed antitheft device 63 is provided inside the annular portion 173D, this The antitheft device 63 can be protected by the annular portion 173D.
In addition, there is no significant difference from the embodiment, and the description is omitted.

  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 ... Motorcycle, 11, 11C, 11D ... Body frame, 22 ... Front wheel, 27 ... Rear wheel, 33 ... Fuel tank, 34 ... Passenger seat, 56 ... Grab rail, 57 ... Front seat support part (seat stay), 63 ... Anti-theft device, 74 ... Edge of occupant seat, 77 ... Rear seat support part (sheet receiving part), 80, 80C, 80D ... Grasping part, 111 ... Housing, 121 ... Largest surface of box (upper surface of housing) 151 ... Global positioning system (GPS) 152 ... Mobile phone communication part 153 ... Acceleration sensor 154 ... Control part 155 ... Internal power source 171 ... Front fastening part (front bolt) 172 ... Rear fastening part ( Rear bolt), 173, 173D ... annular portion, 174 ... terminal portion, 175 ... terminal portion, 176 ... sub harness, 177 ... main harness.

Claims (8)

A vehicle body frame (11) that supports the front wheel (22) so as to be steerable and a rear wheel (27) that can swing freely, and a fuel tank (33) provided at a front portion of the vehicle body frame (11) ), An occupant seat (34) provided on the vehicle body frame (11) behind the fuel tank (33), and a grip portion (80) extending along an edge of the occupant seat (34). In a motorcycle equipped with a grab rail (56) attached to the vehicle body frame (11) and a theft countermeasure device (63) for measuring the position information of the vehicle and transmitting the position information wirelessly ,
The antitheft device (63) is arranged so that at least a part of the antitheft device (63) is exposed to the outside from the body frame (11) in a plan view, and is located more in the vehicle width direction than the grip portion (80). Placed on the
A front seat support part (57) and a rear seat support part (77) for supporting the occupant seat (34) are provided in the longitudinal direction of the vehicle body frame (11), and the antitheft device (63) The motorcycle is disposed between the front seat support portion (57) and the rear seat support portion (77).    When the vehicle body is viewed from above, the grab rail (56) and the vehicle body frame (11) form an annular portion (173), and the antitheft device (63) is formed inside the annular portion (173). The motorcycle according to claim 1, wherein at least a part of the motorcycle is disposed.    The antitheft device (63) is arranged such that terminal portions (174, 175) face inward in the vehicle width direction, and sub-harnesses (176, 176) are extended from the terminal portions (174, 175), The motorcycle according to claim 1 or 2, wherein the sub-harness (176, 176) is joined to a main harness (177) provided along the vehicle body frame (11). A front fastening part (171) and a rear fastening part (172) for attaching the grab rail (56) to the vehicle body frame (11) are provided in the longitudinal direction of the vehicle, and the front fastening part (171) and the rear part are provided. The antitheft device (63) is arranged between the fastening portion (172),
The protection plate (181) covering the antitheft device (63) is fastened together by at least one fastening part of the front fastening part (171) and the rear fastening part (172). The motorcycle according to any one of claims 1 to 3.    The said antitheft device (63) is provided with GPS (151) which measures the position of the own vehicle, and the mobile telephone communication part (152) which transmits the measured positional information. The motorcycle according to any one of the above.    The antitheft device (63) detects a GPS (151) for measuring the position of the own vehicle, a mobile phone communication unit (152) for transmitting the measured position information, and vibration applied to the vehicle body during theft. The acceleration sensor (153), the GPS (151), the mobile phone communication unit (152), and a control unit (154) that integrally controls the acceleration sensor (153), the GPS (151), and the mobile phone communication unit (152). The motorcycle according to any one of claims 1 to 5, wherein an internal power supply (155) for supplying electric power to the vehicle is provided in one housing (111).    The antitheft device (63) has an engine stop function for stopping the start of the engine (18) and an alarm function for issuing an alarm by operating a lighting device when the theft is detected, and the antitheft device The motorcycle according to any one of claims 1 to 6, wherein the engine stop function and the alarm function are operable by connecting (63) to an electrical system provided in a vehicle body. It said housing (111) is formed in a box shape, claim 6 Symbol mounting motorcycle largest face of the box is characterized in that it is arranged in a horizontal or near horizontal state.

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