JP5656923B2 - Anti-theft device for motorcycles - Google Patents

Description

  The present invention relates to an antitheft device for a motorcycle, and more particularly to an arrangement structure of the antitheft device.

  When a vehicle such as a motorcycle is stolen, for example, the position of the vehicle is used by using a GPS (Global Positioning System) function so that the engine cannot be started, an alarm is issued, or a stolen vehicle is found. An anti-theft device capable of measuring the vehicle position and transmitting the obtained vehicle position information to a mobile phone or the like has been developed.

As such a theft countermeasure device, a device disposed in a helmet storage box provided in a motorcycle is known (for example, see Patent Document 1).
JP 2002-362448 A

  According to FIG. 1 and FIG. 4 of Patent Document 1, a storage box 5 is attached to the rear portion of the body frame 1, and in this storage box 5, two anti-theft devices are accommodated in a space that accommodates two helmets H 1 and H 2. 20 is provided.

  By providing the antitheft device 20 in the container box 5, the capacity of the container box 5 is reduced. For example, a space for storing small items in addition to the helmets H1, H2 in the container box 5 is reduced.

  In addition, for example, in a motorcycle that does not include a storage box, it is desirable to arrange an antitheft device while effectively utilizing the space of the vehicle body in order to prevent the vehicle from becoming large.

  An object of the present invention is to provide an antitheft device for a motorcycle that can be arranged while effectively using a storage space or other vehicle body space.

According to the first aspect of the present invention, a steering device for steering the front wheels is attached to the front part of the body frame, and a swing arm that supports the rear wheels so as to be swingable up and down is attached to the rear part of the body frame to measure the position of the own vehicle. In a motorcycle equipped with an anti-theft device capable of wirelessly transmitting measured position information, the anti-theft device is disposed above the front wheel and along the inside of the front cowling, and the headlamp is located in front of the steering device. The anti-theft device is arranged behind the steering device, and the anti-theft device comprises a GPS for measuring the position of the vehicle and a mobile phone communication unit for transmitting the measured position information, The device is arranged at a position where it does not overlap the steering device in a side view of the vehicle, and the GPS is provided in the case, and GPS antennas are provided on the upper oblique rear surface and upper oblique front surface of the case. The lower surface of the case is connected to a connector provided at the end of the harness from the vehicle body side .

According to a second aspect of the present invention, 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.

According to a third aspect of the present invention, 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 activated by connecting to the electrical system provided in the vehicle body.

In the invention according to claim 1, a steering device for steering the front wheels is attached to the front part of the vehicle body frame, and a swing arm that supports the rear wheels so as to be able to swing up and down is attached to the rear part of the vehicle body frame to measure the position of the vehicle. In a motorcycle equipped with an anti-theft device capable of wirelessly transmitting measured position information, the anti-theft device is disposed above the front wheel and along the inside of the front cowling, and the headlamp is located in front of the steering device. The anti-theft device is arranged behind the steering device, and the anti-theft device comprises a GPS for measuring the position of the vehicle and a mobile phone communication unit for transmitting the measured position information, The device is arranged at a position where it does not overlap the steering device in a side view of the vehicle, and the GPS is provided in the case, and GPS antennas are provided on the upper oblique rear surface and upper oblique front surface of the case. , The lower surface of the case since the connector provided on the harness end of the vehicle body side are connected, firstly, can be arranged inconspicuously in hard to expose the anti-theft device to the outside At the same time, the antitheft device can be protected by the front cowling.
In the present invention, the headlamp is arranged in front of the steering device, and the anti-theft device is arranged behind the steering device. Therefore, in a vehicle that does not have a storage box, the anti-theft device uses the vehicle body space effectively. In a vehicle equipped with a storage box, the antitheft device can be arranged without sacrificing the capacity of the storage box.
Furthermore, in the present invention, since the anti-theft device includes a GPS that measures the position of the vehicle and a mobile phone communication unit that transmits the measured position information, the anti-theft device including the GPS and the mobile phone communication unit is disposed. As a result, when a vehicle position is measured by receiving orbit information from an artificial satellite by GPS and position information is transmitted by the mobile phone communication unit, there is no metal member above the GPS and mobile phone communication unit. Since the 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.

In the invention according to claim 2 , 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, Since the GPS, the mobile phone communication unit and the control unit for integrated control of the acceleration sensor and the internal power supply for supplying power to the GPS and the mobile phone communication unit are provided in one case, the GPS and the mobile phone communication unit When the anti-theft device comprising the above-described anti-theft device is disposed at the vehicle body position according to claims 1 to 7, the vehicle position is measured by receiving orbit information from an artificial satellite by GPS and the position information is transmitted by the mobile phone communication unit. In addition, since there is no metal member above the GPS and mobile phone communication unit, radio waves are not blocked, so that transmission / reception sensitivity is improved, and the anti-theft device is less flexible. It can be a motorcycle to function anti-theft device satisfactorily.
Further, since the anti-theft device system is housed in one case, it is possible to improve the ease of assembly to the vehicle. Under the present circumstances, even if a case enlarges, the enlargement of a vehicle front part can be prevented by employ | adopting anti-theft device arrangement structure like said 1st-7th.

In the invention according to claim 3 , 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. Since the engine stop function and the alarm function can be activated by connecting to the electrical system provided on the vehicle body, the engine stop function and the alarm function are activated by connecting the antitheft device to the electrical system provided on the vehicle body. Therefore, it is not necessary to arrange new functional parts or increase the number of wirings, thereby reducing the cost.
Further, by arranging the anti-theft device 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.

1 is a side view of a motorcycle equipped with a theft countermeasure device according to the present invention. It is explanatory drawing which shows the antitheft device which concerns on this invention, and its related components. It is a block diagram of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the arrangement structure which concerns on the reference example of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. 1 is a side view (reference example) of a motorcycle equipped with a theft countermeasure device according to the present invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. 1 is a side view (a reference example and an embodiment) of a motorcycle equipped with a theft countermeasure device according to the present invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the Example of the arrangement structure of the antitheft device which concerns on this invention. 1 is a side view (reference example) of a motorcycle equipped with a theft countermeasure device according to the present invention. It is a vehicle body front part side surface which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention. It is a vehicle body front part side view which shows the arrangement structure (reference example) of the antitheft device which concerns on this invention.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.

FIG. 1 is a side view (reference example) of a motorcycle equipped with an anti-theft device according to the present invention. A motorcycle 10 includes a body frame 11 having a head pipe 12 constituting a front end, and a head pipe 12. A main frame 13 extending obliquely rearward and downward, a pivot plate 14 integrally extending obliquely downward and rearward from the rear end of the main frame 13, and a down frame 16 integrally extending obliquely downward and rearward from the lower front portion of the main frame 13; The front fork 21 is attached to the head pipe 12 so as to be steerable. The seat rail 17 extends obliquely upward and rearward from the rear upper part of the main frame 13 and the subframe 18 is passed to each of the pivot plate 14 and the seat rail 17. The fuel tank 22 is attached to the upper part of the main frame 13 and pivoted. A road sports type in which an engine 20 is attached to the rate 14 and the down frame 16, a swing arm 24 is attached to the pivot plate 14 via a pivot shaft 23, and a tandem seat 26 is attached to the upper part of the seat rail 17. This is a saddle type vehicle.

  In the figure, reference numeral 31 denotes a bar handle attached to the upper end of the front fork 21, 32 denotes a front wheel attached to the lower end of the front fork 21, 33 denotes a resin front cowling, and 34 denotes a front cowl 33 covered with the front cowl 33. 21 is a head fender that covers the upper side of the front wheel 32, 37 is a rear wheel that is attached to the rear end of the swing arm 24, 38 is a step bracket that is attached to the pivot plate 14, and 39 is a step bracket. 37 is a passenger step attached to 37, 41 is a rear cushion unit connected to each of the connecting portion of the seat rail 17 and the subframe 18 and the swing arm 24, 42 is a rear body cover, and 43 is above the rear wheel 37. It is a rear fender.

  The front fork 21 includes a pair of left and right fork pipes 21a and 21a (only the reference numeral 21a on the front side is shown), a top bridge 21c and a bottom bridge 21d that connect the fork pipes 21a and 21a to the left and right, and the top bridges. The steering stem (not shown) that connects the top 21c and the bottom bridge 21d up and down is attached to the head pipe 12 so as to be rotatable.

The bar handle 31 is attached to the top bridge 21c.
The front cowling 33 and the meter 45 are attached to the top bridge 21c and / or the bottom bridge 21d via a stay (not shown).

  The anti-theft device 50 (the cross-hatched portion) that takes anti-theft measures when the motorcycle 10 is stolen or after it has been stolen is (1) a meter device attached to the front fork 21. 45 (reference example), (2) upper part of front cowling 33 (first embodiment), (3) side part of front cowling 33 (second embodiment), or (4) lower part of front cowling 33 (first 3 embodiment).

In each of these embodiments, the antitheft device 50 is disposed above the front wheel 32 and in front of the steering device 47 including the front fork 21 and the bar handle 31.
Hereinafter, the arrangement structure of the antitheft device 50 will be described in detail.

2 (a) to 2 (d) are explanatory views showing a theft countermeasure device and its related parts according to the present invention.
(A) is a box-shaped antitheft device 50, an elastic member 84 made of rubber or the like that covers the antitheft device 50 to absorb vibration when the antitheft device 50 is attached to the vehicle body, and a vehicle body side. Harnesses 86 and 87 connected to the electrical system provided, and connectors 88 and 89 provided at the ends of the harnesses 86 and 87 for connecting the harnesses 86 and 87 to the antitheft device 50 are shown. .

  The elastic member 84 is covered from one end of the anti-theft device 50, and the anti-theft is controlled by the tightening force with which the elastic member 84 tightens the anti-theft device 50 and the frictional force between the anti-theft device 50 and the elastic member 84. The device 50 is configured not to come out of the elastic member 84.

  By adopting such an attachment structure of the elastic member 84 to the anti-theft device 50, the elastic member 84 can be easily attached to the anti-theft device 50 and the anti-theft device 50 after the elastic member 84 is attached. Dropping from the elastic member 84 can be prevented.

  (B) is the figure seen from the 1st surface 50b side which is one surface of the two largest surfaces among the six surfaces in the box-shaped antitheft device 50, and antitheft device 50 accommodates the component. A box-shaped case 50a.

  The case 50a is orthogonal to the first surface 50b, a rectangular first surface 50b, a second surface 50d and a third surface 50e that are orthogonal to the first surface 50b and share the short side of the first surface 50b. A fourth surface 50f and a fifth surface 50g sharing the long side of the first surface 50b, and a sixth surface 50h (not shown) serving as the back surface of the first surface 50b. Here, the first surface 50b and the sixth surface 50h are rectangular, but may be square.

The elastic member 84 is a T-shaped member when viewed from this direction, and is provided with a first projecting portion 84b integrally projecting laterally on the second surface 50d side of the case 50a, and the fourth surface 50f of the case 50a. Also, a second projecting portion 84c and a third projecting portion 84d that project integrally to the side are provided on the fifth surface 50g side, and the first projecting portion 84b and the second and third projecting portions 84c and 84d are provided respectively. A mounting hole 84f formed in a rectangular cross section is formed.
Reference numeral 84h in the figure is a T-shaped wall provided on the elastic member 84 so as to contact the first surface 50b of the case 50a.

  (C) is a c arrow view of (b), and the elastic member 84 includes T-shaped T-shaped walls 84h and 84j provided so as to sandwich the anti-theft device 50, and the second surface 50d of the case 50a. The side wall 84k is provided integrally with the T-shaped walls 84h and 84j so as to be in contact with the vehicle, and for example, the T-shaped wall 84j is attached to the vehicle body side.

  (D) is a sectional view taken along the line dd of (c), and the antitheft device 50 includes side walls 84m and 84n integrally connected to the T-shaped walls 84h and 84j, and the first surface 50b side of the case 50a, Since it is surrounded by the T-shaped walls 84h, 84j and the side walls 84m, 84n facing the sixth surface 50h side, the fourth surface 50f side, and the fifth surface 50g side, the four sides of the anti-theft device 50 are Further, the elastic member 84 can absorb vibrations in the vertical direction and the horizontal direction (the direction orthogonal to the longitudinal direction of the anti-theft device 50) in the drawing.

  Furthermore, as shown in (c), since the side wall 84k is provided on the side of the antitheft device 50, vibrations in the left-right direction of FIG. Can be absorbed.

FIG. 3 is a block diagram of the antitheft device according to the present invention.
The anti-theft device 50 includes an acceleration sensor 51 that detects vibration applied to the body of the motorcycle, a GPS (Global Positioning System) 52 that measures the current position of the vehicle by receiving orbit information from a plurality of artificial satellites, and The controller 55 receives the acceleration signal SA from the acceleration sensor 51 and the position information JP from the GPS 52, and instructs the mobile phone base station 61 based on the communication command SC from the controller 55. Is transmitted to the ignition device 62 of the engine 20 (see FIG. 1) based on the engine control signal SEC from the control unit 55 to stop the operation of the ignition device 62, that is, The engine control unit 57 for stopping the engine 20 and the alarm control signal SAC from the control unit 55 Alarm device 58 for operating the lamp and horn by sending an alarm signal SA to the alarm device 63 (light lamp and horn such as headlamp, turn signal and tail lamp), GPS 52, control unit 55, mobile phone communication unit 56, A battery 59 that supplies power to the engine control unit 57 and the alarm generation unit 58 includes a GPS 52, a control unit 55, a mobile phone communication unit 56, an engine control unit 57, and an alarm generation unit 58. ) Can also supply power.

Each of the GPS 52 and the mobile phone communication unit 56 includes communication antennas, and each configuration of the antitheft device 50 including these antennas is housed in one case 50a (see FIG. 3).
The engine control unit 57 described above may control the ignition device 62 via an engine control unit provided in the motorcycle.

  FIG. 4 is a side view of the front portion of the vehicle body showing a reference example of the arrangement structure of the antitheft device according to the present invention (the arrow (FRONT in the figure represents the front of the vehicle; the same applies hereinafter)), and the front fork 21 is A pair of left and right fork pipes 91 and 92 (only reference numeral 91 is shown), a top bridge 93 connecting the upper parts of these fork pipes 91 and 92, and a lower bridge of the top bridge 93 A bottom bridge 94 for connecting the fork pipes 91 and 92 and a steering stem 96 for connecting the top bridge 93 and the bottom bridge 94 to each other. The steering stem 96 is rotatably attached to the head pipe 12. Yes.

  The bar handle 31 is attached to a pair of left and right lower brackets 93a, 93a (only the reference numeral 93a on the front side) formed integrally with the top bridge 93, and bolts 97, 97 respectively attached to these lower brackets 93a, 93a. It is attached to the top bridge 93 by being sandwiched between upper brackets 98 and 98 (only the reference numeral 98 is shown on the front side).

  A meter device 45 is attached to the top bridge 93 via a meter stay 101. Reference numeral 103 is a bolt for attaching the meter stay 101 to the top bridge 93, and 105 is a bolt for attaching the meter device 45 to the meter stay 101.

  The meter device 45 has a function of displaying the state of the motorcycle, and its main components are made of resin, arranged obliquely above and behind the headlamp 34, and the anti-theft device 50A is integrated horizontally or under the lower portion. It is provided almost horizontally. Reference numeral 34 a denotes the outline of the headlamp 34.

The anti-theft device 50A has the same basic configuration as the anti-theft device 50, but the antenna provided in the GPS 52 (see FIG. 3) and the mobile phone communication unit 56 (see FIG. 3) constituting the anti-theft device 50 includes a meter device. It is provided on the upper surface of a case integrally formed with 45 cases.
Here, the nearly horizontal state of the antitheft device 50 refers to, for example, a range in which the inclination angle of the antitheft device 50 is 0 ° to 30 ° with respect to the horizontal plane.

  The meter device 45 is disposed at a higher position next to the bar handle 31 and the rearview mirror (not shown) in each part of the motorcycle, and the meter device 45 located above the antitheft device 50 has a main configuration. Since the parts are formed of a resin material, when the GPS 52 or the mobile phone communication unit 56 communicates with the artificial satellite, the communication radio wave is not blocked and a good communication environment can be obtained.

FIG. 5 is a side view of the front portion of the vehicle body showing an arrangement structure (reference example) of the anti-theft device according to the present invention. Three mounting stays 33c, 33d projecting inwardly on the inner surface 33a of the upper part of the front cowling 33. , 33e (only two mounting stays 33d and 33e are shown), and the antitheft device 50B is attached to these mounting stays 33c, 33d and 33e via an elastic member 84. The antitheft device 50 is disposed above the headlamp 34 and in front of the meter device 45.

  The anti-theft device 50B has the same basic configuration as the anti-theft device 50, but the GPS 52 (see FIG. 3) and the mobile phone communication unit 56 (see FIG. 3) are arranged on the sixth surface 50h side obliquely upward. An antenna is provided.

  The mounting stays 33c, 33d, and 33e are press-fitted into the three mounting holes 84f of the elastic member 84, and the elastic member 84 tightens the mounting stays 33c, 33d, and 33e, and the mounting stays 33c, 33d, 33e, and the elastic member 84. The elastic member 84 is prevented from coming off from the mounting stays 33c, 33d, 33e due to the frictional force between them.

  Since the upper part of the front cowling 33 is arranged at a high position of the motorcycle as well as the bar handle 31 among the parts, the GPS 52 of the antitheft device 50 and the mobile phone communication unit 56 communicate with the artificial satellite. A good communication environment can be obtained without blocking communication radio waves.

FIG. 6 is a side view of the front portion of the vehicle body showing the arrangement structure (reference example) of the anti-theft device according to the present invention. The rear side of the headlamp 34 and the inner surface of the side of the front cowling 33 are inward. Three protruding mounting stays 33c, 33d, and 33e are integrally formed, and the antitheft device 50C is attached to these mounting stays 33c, 33d, and 33e via the elastic member 84 with the connectors 88 and 89 facing down. ing.

  The anti-theft device 50C has the same basic configuration as the anti-theft device 50, but the second surface 50d of the case 50a of the anti-theft device 50 faces upward and obliquely rearward, and the fifth surface 50g faces upward and obliquely forward. The GPS 52 (see FIG. 3) and the mobile phone communication unit 56 (see FIG. 3) antennas are provided on the second surface 50d side and the fifth surface 50g side. Thus, the antenna area can be increased by providing the antenna over the two surfaces of the case 50a.

FIG. 7 is a side view of the front portion of the vehicle body showing an arrangement structure (reference example) of the anti-theft device according to the present invention. Three mounting stays 33c and 33d projecting inwardly on the inner surface 33a of the bottom portion of the front cowling 33. , 33e (only two mounting stays 33c, 33d are shown), and the anti-theft device 50D is attached to these mounting stays 33c, 33d, 33e via an elastic member 84. The antitheft device 50 </ b> D is disposed below the headlamp 34 and inside the front cowling 33.

  The antitheft device 50D has the same basic configuration as the antitheft device 50, but the first surface 50b of the case 50a faces upward, and the GPS 52 (see FIG. 3) and the mobile phone communication unit 56 are on the first surface 50b side. An antenna (see FIG. 3) is provided.

  Since the main component of the headlamp 34 positioned above the antitheft device 50D is formed of a resin material, the GPS 52 is similar to the resin front cowling 33 and the meter device 45 of which the main component is made of resin. In addition, when the mobile phone communication unit 56 communicates with an artificial satellite in the sky, the communication radio wave is not blocked and a good communication environment can be obtained.

FIG. 8 is a side view (reference example) of a motorcycle on which the antitheft device according to the present invention is mounted. The motorcycle 120 includes a head frame 122 whose body frame 121 forms a front end, and a head pipe 122. A main frame 123 extending obliquely rearward and downward, a pivot plate 124 integrally extending obliquely forward and downward from the rear end of the main frame 123, and extending downward and obliquely downward from the lower front portion of the main frame 123 and having a lower end extending portion 126a. And a seat rail 127 extending obliquely rearward and upward from a rear projection 123a integrally projecting from the rear upper part of the main frame 123, and connected to the head pipe 122. A front fork 131 is attached so that it can be steered freely. A fuel tank 132 is attached to the upper part of the seat 123, a swing arm 134 is attached to the pivot plate 124 via a pivot shaft 133, and a rider seat 136 is attached to the upper part of the seat rail 127. This is a road racer type straddle-type vehicle in which a passenger seat 138 is attached to an upper portion of 127 via a rear fender 137 that covers a rear wheel 147 described later.

  In the figure, reference numeral 141 denotes a bar handle attached to the upper end of the front fork 131, 142 denotes a front wheel attached to the lower end of the front fork 131, 143 denotes a resin cowling, 144 denotes a headlamp attached to the cowling 143, 146 Is a front fender that covers the top of the front wheel 142, 147 is a rear wheel attached to the rear end of the swing arm 134, 148 is a step bracket attached to the seat rail 127, 149 is a passenger step attached to the step bracket 148, Reference numeral 151 denotes a rear cushion unit passed through the link mechanism 152 between the rear protrusion 123a side, the pivot plate 124 side, and the swing arm 134 side, and 153 denotes a rear body cover.

The antitheft device 50 (50B) is disposed on the inner side of the cowling 143 (fourth embodiment).
In the above reference example , the antitheft device 50 (50B) is disposed above the front wheel 142 and in front of the steering device 157 including the front fork 131 and the bar handle 141.
Hereinafter, the arrangement structure of the antitheft device 50 will be described in detail.

FIG. 9 is a side view of the front portion of the vehicle body showing an arrangement structure (reference example) of the anti-theft device according to the present invention. Three mounting stays 33c, 33d, which protrude inwardly on an inner surface 143a of the cowling 143, are shown. 33e (only two attachment stays 33c and 33d are shown) are integrally formed, and the antitheft device 50B is attached to these attachment stays 33c, 33d and 33e via an elastic member 84. The anti-theft device 50B is disposed above the headlamp 144. Reference numeral 144 a is the outline of the headlamp 144.

  The sixth surface 50h of the case 50a of the antitheft device 50 faces obliquely upward and the GPS 52 (see FIG. 3) and the antenna of the mobile phone communication unit 56 (see FIG. 3) are provided on the sixth surface 50h side. .

FIG. 10 is a side view (a reference example and an embodiment) of a motorcycle on which the antitheft device according to the present invention is mounted. The motorcycle 160 includes a head pipe 162 whose body frame 161 forms a front end, and the head. A main frame 163 extending obliquely rearward and downward from the pipe 162, a pivot plate 164 attached to the rear end of the main frame 13, and a pair of left and right rear frames extending obliquely rearwardly downward and obliquely rearwardly upward from an intermediate portion of the main frame 13. 166, 167 (only the reference numeral 166 on the front side is shown) and sub-frames 168, 169 (only the reference numeral 168 on the front side is shown) passed to the pivot plate 164 and the rear frames 166, 167, respectively. A front fork 171 is attached to the head pipe 162 so as to be steerable. The engine 172 is attached to the ram 163 and the pivot plate 164, the storage box 173 and the fuel tank 174 are attached to the upper part of the rear frames 166, 167, and the swing arm 177 can swing up and down via the pivot shaft 176 to the pivot plate 164. It is a saddle type vehicle of business type installed.
The storage box 173 is provided with a hinge portion 178 at the front end, and a seat 179 is attached to the hinge portion 178 so as to be freely opened and closed.

In the figure, reference numeral 181 denotes a bar handle attached to the upper end of the front fork 171, 182 denotes a front wheel attached to the lower end of the front fork 171, 183 denotes a front fender covering the front wheel 182, and 184 denotes a handle covering the bar handle 181. Cover, 185 is a headlamp attached to the handle cover 184, 186 is a front cover covering the front of the vehicle body, 187 is a rear wheel attached to the rear end of the swing arm 177, 188, 189 (only reference numeral 188 on the front side is shown) .) Is a pair of left and right rear cushion units passed to the rear frames 166 and 167 and the swing arm 177, 191 is a rear body cover, and 192 is a rear fender that covers the rear wheel 187.
The headlamp 185 is attached to the bar handle 181 via the handle cover 184.

The anti-theft device 50 (50B, 50E) (the cross-hatched part) includes (1) the upper front part of the handle cover 184 (sixth embodiment), and (2) the rear part of the handle cover 184 ( this book Embodiment) .

In each of these embodiments, the anti-theft device 50 (50B) is disposed above the front wheel 182 and in front of the steering device 194 including the front fork 162 and the bar handle 181, and the anti-theft device 50 (50E) It is disposed above the front wheel 182.
The arrangement structure of the antitheft device 50 (50B, 50E) will be described in detail below.

  FIG. 11 is a side view of the front portion of the vehicle body showing the arrangement structure of the antitheft device (fifth embodiment) according to the present invention. Three mounting stays 33c projecting inwardly on the inner surface 184a of the upper portion of the handle cover 184 are shown. , 33d, 33e (only two mounting stays 33d, 33e are shown), and the antitheft device 50B is attached to these mounting stays 33c, 33d, 33e via an elastic member 84. The anti-theft device 50B is disposed above the headlamp 185 and above the bar handle 181. Reference numeral 185 a is the outline of the headlamp 185.

  The sixth surface 50h of the case 50a of the antitheft device 50 faces obliquely upward and the GPS 52 (see FIG. 3) and the antenna of the mobile phone communication unit 56 (see FIG. 3) are provided on the sixth surface 50h side. .

  The upper part of the handle cover 184 is higher than the bar handle 181 among the parts of the motorcycle, and is positioned higher than the rearview mirror (not shown). Therefore, the GPS 52 and the mobile phone communication unit of the antitheft device 50 are arranged. A good communication environment can be obtained when 56 communicates with an artificial satellite.

FIG. 12 is a vehicle body front side view showing the arrangement structure of the antitheft device according to the present invention (this embodiment) . Three attachment stays 33c projecting inwardly on the inner surface 184a of the rear portion of the handle cover 184 are shown. 33d, 33e (only two mounting stays 33c, 33e are shown) are integrally formed, and the antitheft device 50E is attached to these mounting stays 33c, 33d, 33e via an elastic member 84.

  The anti-theft device 50E has the same basic configuration as the anti-theft device 50, but the second surface 50d of the case 50a faces upward obliquely rearward, the sixth surface 50h faces upward obliquely forward, and these second surfaces 50d. The GPS 52 (see FIG. 3) and mobile phone communication unit 56 (see FIG. 3) antennas are provided on the sixth surface 50h side. Thus, the antenna area can be increased by providing the antenna over the two surfaces of the case 50a.

FIG. 13 is a side view (reference example) of a motorcycle on which the antitheft device according to the present invention is mounted. The motorcycle 200 includes a head pipe 202 having a body frame 201 constituting a front end, and a head pipe 202. A pair of left and right main frames 203, 203 (only the front side reference 203 is shown) extending diagonally downward and rearward, and a pair of left and right center frames 204, 204 (front side) extending obliquely downward and rearward from the rear ends of the main frames 203, 203. ), A down frame 206 extending obliquely downward and rearward from the head pipe 202, and a pair of left and right seat rails 207 and 207 extending obliquely upward and rearward from the upper rear portions of the main frames 203 and 203 (on the front side). Only the reference numeral 207 is shown), and the left and right center frames 204, 204 and the left and right seat frames. A pair of left and right sub-frames 208, 208 (only front side 208 is shown) passed to each of the frames 207, 207 and the end of the down frame 206 and the end of the center frame 204, 204 are connected. The front fork 211 is attached to the head pipe 202 so as to be steerable, the fuel tank 212 is attached to the upper part of the main frame 203, and attached to the center frames 204 and 204, respectively. This is an off-road straddle-type vehicle in which a swing arm 214 is attached to a pivot plate 215 via a pivot shaft 213 so as to freely swing up and down, and a tandem seat 216 is attached to the upper part of seat rails 207 and 207.

  In the figure, reference numeral 221 denotes a bar handle attached to the upper end of the front fork 211, 222 denotes a front wheel attached to the lower end of the front fork 211, 223 denotes a resin-made front cowling, and 224 is covered with the front cowling 223 and the front fork. 211 is a headlamp attached to 211, 225 is a meter device arranged behind the upper part of the front cowling 223, 226 is a front fender that covers the upper side of the front wheel 222, 227 is a rear wheel attached to the rear end of the swing arm 214, 228 is a step bracket attached to the subframe 208, 229 is a passenger step attached to the step bracket 227, 231 is an engine attached to the center of the vehicle body frame 201, 232 is a cylinder part 233 of the engine 231 Connected to the rear intake air device, 234 is an exhaust device connected to the front portion of the cylinder portion 233.

  The anti-theft device 50 (50B) (the part to which cross hatching is applied) includes (1) a front upper part of the front cowling 223 (seventh embodiment), and (2) a lower part of the front cowling 223 (reference example). Installed on.

  In these embodiments and reference examples, the antitheft device 50 is disposed above the front wheel 222 and in front of the steering device 237 including the front fork 211 and the bar handle 221. The arrangement structure of the antitheft device 50 (50B) will be described in detail below.

FIG. 14 is a side view of the front portion of the vehicle body showing an arrangement structure (reference example) of the anti-theft device according to the present invention. Three mounting stays 33c and 33d projecting inwardly on the inner surface 223a of the upper part of the front cowling 223 , 33e (only two mounting stays 33d and 33e are shown), and the antitheft device 50B is attached to these mounting stays 33c, 33d and 33e via an elastic member 84. The antitheft device 50 </ b> B is disposed above the headlamp 224 and obliquely below the front of the meter device 225.

  The sixth surface 50h of the case 50a of the antitheft device 50 faces obliquely upward and the GPS 52 (see FIG. 3) and the antenna of the mobile phone communication unit 56 (see FIG. 3) are provided on the sixth surface 50h side. .

  The upper part of the front cowling 223 is at the same height as the bar handle 221 and is disposed at a position higher than the rearview mirror (not shown) in each part of the motorcycle. A good communication environment can be obtained when the telephone communication unit 56 communicates with an artificial satellite.

  FIG. 15 is a vehicle body front side view showing the arrangement structure (reference example) of the antitheft device according to the present invention, and three mounting stays 223c, 223d, and 223e projecting downward from the bottom surface 223g of the bottom portion of the front cowling 223. (Only two mounting stays 223c and 223e are illustrated), and the anti-theft device 50B is attached to these mounting stays 223c, 223d, and 223e via an elastic member 84. The antitheft device 50 </ b> B is disposed below the headlamp 224.

  The front fender 226A has a fender recess 226b formed on an upper surface 226a facing the lower surface 223g of the front cowling 223 with respect to the front fender 226 shown in FIG. 14, and the anti-theft device 50B is disposed in the fender recess 226b. It is attached to the front fork 211 so that.

That is, the antitheft device 50B is covered with the front fender 226A, and is disposed between the lower surface 223g of the front cowling 226 and the fender recess 226b of the front fender 226A.
The antitheft device 50B is arranged between the lower surface 224a of the headlamp 224 and the upper surface 226a of the front fender 226A.

  The sixth surface 50h of the case 50a of the antitheft device 50B faces upward, and the GPS 52 (see FIG. 3) and the antenna of the mobile phone communication unit 56 (see FIG. 3) are provided on the sixth surface 50h side.

  Since the main component of the headlamp 224 located above the antitheft device 50 is formed of a resin material, the GPS 52 is similar to the resin-made front cowling 223 and the meter component 225 of the main component made of resin. In addition, when the mobile phone communication unit 56 communicates with an artificial satellite in the sky, the communication radio wave is not blocked and a good communication environment can be obtained.

As shown in FIGS. 1 and 5, the steering device 47 for steering the front wheels 32 is attached to the front portion of the body frame 11, and the swing arm that supports the rear wheels 37 so as to swing up and down is supported on the rear portion of the body frame 11. 24, the anti-theft device 50B is located above the front wheel 32 and the steering device 47, and the anti-theft device 50B can measure the position of the vehicle and wirelessly transmit the measured position information. Since the vehicle is not provided with a storage box, the anti-theft device 50B can be arranged by effectively using the vehicle body space, and the vehicle with a storage box can reduce the capacity of the storage box. The antitheft device 50B can be arranged without sacrificing.
Furthermore, since the anti-theft device 50B can be arranged at a position separated from the engine 20 that is a vibration source, vibration transmitted to the anti-theft device 50B can be suppressed.

  In addition, since the headlamp 34 is attached to the steering device 47 and the anti-theft device 50B is disposed above the headlamp 34, the anti-theft device 50B can be arranged high, and the vehicle position is measured and measured. It is possible to improve communication environment conditions for wireless transmission of the position information.

  As shown in FIG. 6, the meter device 45 having a function of displaying the vehicle status is disposed obliquely above and behind the headlamp 34, and the anti-theft device 50 </ b> C is disposed obliquely below and forward of the meter device 45. ing.

For example, a space is easily formed around the rear end portion of the bulb protruding from the rear surface of the headlamp 34 at the rear and the periphery thereof, and the lower portion and the periphery of the meter device 45 are attached to the meter device 45. Space is easily created around the meter cable.
Therefore, since the antitheft device 50C can be arranged by effectively using the dead space around the headlamp 34 and the meter device 45, the size of the front portion of the vehicle can be suppressed.

  As shown in FIG. 7, the headlamp 34 is attached to the steering device 47 (see FIG. 1), the main components of the headlamp 34 are formed of a resin material, and the antitheft device 50D is connected to the headlamp 34. Since the headlamp 34 is formed of a resin material that does not easily affect the measurement of the vehicle position and wireless transmission, the antitheft device 50D is disposed below the headlamp 34. The communication environment condition of the antitheft device 50D can be improved while suppressing the height of the front part.

  As shown in FIGS. 13 and 15 above, the upper surface 226a of the front fender 226A that covers the upper side of the front wheel 222 is disposed opposite the lower surface 224a of the headlamp 224, and the antitheft device 50B is connected to the lower surface of the headlamp 224. The space between the headlamp 224 and the front fender 226A can be used effectively because it is disposed between the front surface 226a and the upper surface 226a of the front fender 226A.

  As shown in FIG. 5, since the periphery of the headlamp 34 is covered with the front cowling 33 and the antitheft device 50B is disposed inside the front cowling 33, the antitheft device 50B is exposed to the outside. The anti-theft device 50 </ b> B can be protected by the front cowling 33 as well as being arranged so as to be inconspicuous.

  Further, the front cowling 33 is integrally provided with mounting stays 33c, 33d, 33e (only the reference numerals 33d, 33e are shown) protruding inward, and an elastic member 84 holding the antitheft device 50B is mounted on the mounting stays 33c, 33d, Since it is attached to the anti-theft device 50B, an increase in the number of components can be suppressed, and the anti-theft device 50B via the elastic member 84 with the mounting stays 33c, 33d, 33e integrated with the front cowling 33. Therefore, vibration of the antitheft device 50B can be suppressed with a simple structure.

  As shown in FIG. 3 above, the antitheft device 50 includes the GPS 52 that measures the position of the vehicle and the mobile phone communication unit 56 that transmits the measured position information. Therefore, the GPS 52 and the mobile phone communication unit The anti-theft device 50 having 56 is disposed at the vehicle body position of claims 1 to 7, whereby the vehicle position is measured by receiving the orbit information from the artificial satellite by the GPS 52 and the position information is transmitted by the mobile phone communication unit 56. Since there is no metal member above the GPS 52 and the cellular phone communication unit 56 when performing the transmission, the radio wave is not blocked, so the transmission / reception sensitivity is improved, and the anti-theft device 50 has a low degree of freedom in arrangement. Even if it exists, the antitheft device 50 can be made to function satisfactorily.

  As shown in FIGS. 3 and 5 above, the antitheft device 50 (50B) includes the GPS 52 for detecting the position information, the mobile phone communication unit 56 for transmitting the detected position information, and the vehicle body at the time of theft. As an internal power supply for supplying power to the GPS 52 and the mobile phone communication unit 56, the acceleration sensor 51 that detects the generated vibration, the GPS 52, the mobile phone communication unit 56, and the control unit 55 that integrally controls the acceleration sensor 51. Since the anti-theft device 50 (50B) including the GPS 52 and the mobile phone communication unit 56 is disposed at the vehicle body position of the first to seventh aspects, When the vehicle position is measured by receiving the orbit information from the satellite and the position information is transmitted by the mobile phone communication unit 56, the GPS 52 and the mobile phone Since there is no metal member above the portion 56, radio waves are not blocked, so that transmission / reception sensitivity is improved, and the antitheft device 50 is a motorcycle even with a low degree of freedom in placement of the antitheft device 50 (50B). (50B) can function well.

  Further, since the system of the anti-theft device 50 (50B) is housed in one case 50a, it is possible to improve the ease of assembling to the vehicle. At this time, even if the case 50a is enlarged, it is possible to prevent the vehicle front from being enlarged by adopting the anti-theft device arrangement structure as in the first to seventh aspects.

  As shown in FIGS. 1 and 3 above, when the anti-theft device 50 detects the theft, an engine stop function for stopping the start of the engine 20 and an alarm function for operating a lighting device to issue an alarm. The anti-theft device 50 is connected to the electrical system provided in the vehicle body, so that the engine stop function and the alarm function can be activated. Therefore, the electrical system provided in the vehicle body (for example, the ignition device 62 and the alarm device 63) By connecting the anti-theft device 50, the engine stop function and the alarm function can be activated, so that it is not necessary to arrange new functional parts or increase the wiring, and the cost can be reduced.

  Further, by arranging the anti-theft device 50 as described above, the anti-theft device 50 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.

  As shown in FIGS. 2A to 2D, 3 and 7, the case 50a is formed in a box shape, and the first surface 50b (or the sixth surface 50h) which is the largest surface of the box. (See FIGS. 2 (c) and 2 (d))) are arranged in a horizontal or nearly horizontal state, so that the arrangement of the functional components in the antitheft device 50D is optimized, and the GPS 52 and mobile phone communication unit The area of the antenna included in 56 can be secured, and transmission and reception can be performed satisfactorily.

In the present invention, the anti-theft device may be mounted directly or indirectly on the front surface of the steering device, and the anti-theft device may be disposed above the front wheels and in front of the steering device.
Further, an antitheft device may be disposed integrally on the side of the meter device, and the antitheft device may be disposed above the front wheel and in front of the steering device.

  The antitheft device of the present invention is suitable for a motorcycle.

10, 120, 160, 200 ... motorcycles, 11, 121, 161, 201 ... body frames, 24, 134, 177, 214 ... swing arms, 32, 142, 182, 222 ... front wheels, 33, 223 ... front cowlings, 33a, 143a, 184a, 223a ... inner surface of the front cowl, 33c, 33d, 33e, 223c, 223d, 223e ... mounting stays, 34, 144, 185, 224 ... headlamps, 37, 147, 187, 227 ... rear wheels, 45 ... Meter device, 47, 157, 194, 237 ... Steering device, 50 ... Anti-theft device, 50a ... Case, 50b, 50h ... Large surface (first surface, sixth surface), 51 ... Accelerometer, 52 ... GPS 55 ... Control unit, 56 ... Mobile phone communication unit, 59 ... Internal power supply (battery), 62, 63 Electrical system (ignition device, the warning device), 84 ... elastic member, 86, 87 ... harness, 88, 89 ... connector, 143 ... front cowling (cowling), 172,231 ... engine, 184 ... front cowling (handle cover), 223g ... lower surface of front cowl, 224a ... lower surface of headlamp, 226 ... front fender, 226a ... upper surface of front fender.

Claims (3)

A steering device (47) for steering the front wheels (32) is attached to the front portion of the body frame (11), and a swing arm (24) that supports the rear wheels (37) to be swingable up and down at the rear portion of the body frame (11). In a motorcycle equipped with an anti-theft device (50) capable of measuring the position of the vehicle and wirelessly transmitting the measured position information,
The antitheft device (50) is arranged above the front wheel (32) and along the inside of the front cowling (33),
A headlamp (34) is arranged in front of the steering device (47), and the anti-theft device (50) is arranged behind the steering device (47).
The anti-theft device (50) includes a GPS (52) for measuring the position of the vehicle and a mobile phone communication unit (56) for transmitting the measured position information.
The antitheft device (50) is disposed at a position not overlapping the steering device (47) in a side view of the vehicle ,
The GPS (52) is provided in the case (50a),
A GPS (52) antenna is provided on the upper oblique rear surface and upper oblique front surface of the case (50a),
The lower surface of the case (50a) is connected to a connector (88, 89) provided at the end of the harness (86, 87) from the vehicle body side.
A motorcycle antitheft device characterized by that. The antitheft device (50) detects a GPS (52) that measures the position of the vehicle, a mobile phone communication unit (56) that transmits the measured position information, and vibrations applied to the vehicle body during theft. One case includes an acceleration sensor (51), a control unit (55) that integrally controls the GPS, the mobile phone communication unit, and the acceleration sensor, and an internal power source (59) that supplies power to the GPS and the mobile phone communication unit. The antitheft device for a motorcycle according to claim 1, further comprising (50a). The anti-theft device (50) 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 antitheft device for a motorcycle according to claim 1 or 2 , wherein the engine stop function and the alarm function can be operated by connecting to an electrical system provided.

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