JP4267790B2 - Anti-theft device for motorcycles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an antitheft device for a motorcycle having an openable / closable shutter provided in the motorcycle.
[0002]
[Prior art]
In Japanese Patent Laid-Open No. 9-151642, as a motorcycle antitheft device, a key insertion opening of a main switch is covered with a shutter so as to be freely opened and closed, and an actuator is operated in conjunction with opening and closing of a seat. Things are shown. Japanese Patent Application Laid-Open No. 7-69257 discloses that the main stand storage lock is unlocked via a cable by an operation knob provided in a luggage box below the seat.
[0003]
[Problems to be solved by the invention]
Incidentally, the shutter of the main switch requires a dedicated actuator such as a solenoid, but such an actuator complicates the structure and increases the cost of the entire apparatus. Therefore, it is desired that such an actuator can be omitted, and that an unlocking mechanism dedicated to the shutter can be omitted, and the present invention aims to realize such a request.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a first invention related to a motorcycle antitheft device of the present application is the opening and closing of a shutter in a motorcycle antitheft device provided with a shutter that freely opens and closes a key insertion port. Is interlocked with the unlocking operation portion of the main stand storage lock provided below the seat.
[0005]
According to a second invention, in the first invention, the unlocking of the handle lock is interlocked with the unlocking operation portion of the main stand storage lock.
[0006]
【The invention's effect】
According to the first invention, since the unlocking operation part of the main stand storage lock and the shutter opening / closing of the main switch are interlocked, there is no need to provide a dedicated actuator for the shutter unlocking mechanism, the structure is simplified, and the device Overall cost can be reduced. In addition, since it is linked with the main stand storage lock, the operation procedure is not increased, the operability is improved, and the anti-theft effect is enhanced.
[0007]
According to the second invention, since the unlocking mechanism of the handle lock is interlocked with the unlocking operation part of the main stand storage lock, the functions can be further concentrated on the unlocking operation part of the main stand storage lock, and the handle lock By separating the main stand from the main stand, a stronger handle lock can be provided.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment will be described below with reference to the drawings. 1 is a conceptual diagram of the whole anti-theft device, FIG. 2 is an overall view of a motorcycle to which the embodiment is applied, FIG. 3 is a view showing an exterior side of a main stand, and FIG. 4 is an upper surface side of FIG. FIG. 5 is a diagram showing the operation thereof, FIG. 6 is a side view of the main part of the rear part of the vehicle body, FIG. 7 is a diagram showing the unlocking operation unit from above, and FIG. FIG. 9 is a diagram showing this from the side, and FIG. 9 is a diagram showing this from above (the direction of arrow B in FIG. 8).
[0009]
First, in FIG. 2, the motorcycle is of a scooter type, a main switch 3 is provided on a handle post cover 2 that covers the handle post 1, and a shutter opening / closing mechanism 4 is provided on the main switch 3. The main switch 3 is a known switch in which an ignition switch, a lighting switch, and the like are combined.
[0010]
A luggage box 6 that opens upward is provided below the seat 5. The luggage box 6 is opened and closed by the seat 5, and the seat 5 is locked to the vehicle body side by a seat lock 7 and unlocked by the same key as the main switch 3. As will be described later, to La gauge box 6, it is provided operation knob 8 of the unlocking operation unit (FIG. 1), which one end of the cable 9 is connected to the other end via a joint portion 10 The main stand storage lock 11 provided at the lower part of the vehicle body can be connected and unlocked.
[0011]
The main stand storage lock 11 is for preventing the main stand 12 from being stowed and preventing theft. When the main stand storage lock 11 is unlocked, the main stand 12 can be stored to run. Further, from the joint portion 10 via the branch cable 13 that branches linked to the shutter opening and closing mechanism 4, to open the shutter by operating the shutter opening and closing mechanism 4 in conjunction with the unlocking of the main stand housing lock 11, a main switch to 3 by inserting the key has to be able to turn on. Incidentally, the joint portion 10, when loosened control cable 9 in order to unlock the main stand housing lock 11, so that the branch cable 13 is also loosened.
[0012]
As shown in FIGS. 3 to 5, a shutter 15 that covers the upper side of the key insertion opening 14 provided on the upper end surface of the main switch 3 so as to be openable and closable is rotatably attached to the main switch 3 at one end by a support shaft 16. One end of the branch cable 13 is connected to the other end.
[0013]
The branch cable 13 is guided to the rear end of the stay 17 integrally extending from the main switch 3 side, and the shutter 15 is moved in the clockwise direction in the figure by a compression coil spring 18 interposed between the stay 17 and the shutter 15. It is biased to rotate. However, the branch cable 13 compresses the compression coil spring 18 except when the unlocking operation is performed, and pulls the shutter 15 in a direction in which the shutter 15 is rotated counterclockwise to a position covering the upper side of the key insertion opening 14. Yes.
[0014]
Further, when the operation knob 8 is operated in the unlocking direction, the branch cable 13 is loosened at the joint portion 10, and as shown in FIG. 5, the clockwise rotation by the compression coil spring 18 is allowed, and the key is inserted. The mouth 14 is opened.
[0015]
Next, the operation lever and the main stand lock will be described with reference to FIGS. First, as shown in FIG. 6, the seat 5 is locked to the vehicle body side by a seat lock 7 supported at the rear portion of the vehicle body frame 20, and unlocked by the same key as the main switch 3. Further, as will be described in detail later, an operation knob 8 as an unlocking operation member is provided in the luggage box 6, one end of the operation cable 9 is connected to this, and the other end is provided on the main stand 12. It is connected to a main stand storage lock (described later) and can be released.
[0016]
The main stand storage lock is a device for preventing theft during parking, and unless the seat lock 7 is released and the operation knob 8 is properly operated, the main stand 12 is kept standing to make it impossible to travel. Is. On the other hand, when the operation knob 8 is properly operated and the main stand storage lock is released, the main stand 12 is tilted and stored to allow travel.
[0017]
Further, the operation cable 9 is wired along the inside of the rear part of the vehicle body frame, and the branch cable 50 for the handle lock is branched at a joint part 10 provided in the middle thereof. The branch cable 50 branched from the joint portion 10 is wired to the handle lock inside the vehicle body cover along the front portion of the vehicle body frame, and is pulled together with the operation cable 9 when the operation knob 8 is rotated in the unlocking direction. To unlock.
[0018]
A stand bracket 23 is welded to the cross pipe 22 that connects between the middle parts of the left and right body frames 20, and the stand bracket 23 forms a wall portion 23a around the periphery and forms a container shape that opens upward. An upper end portion of the main stand 12 is rotatably attached to the end portion via a support shaft 53, and the upper end portion is locked by a main stand storage lock. The main stand 12 is biased by a reversing spring (not shown) and selectively rotates to either the standing position or the storage position.
[0019]
FIG. 7 is a view showing the inner rear portion of the luggage box 6 from the front (in the direction of arrow B in FIG. 6). As shown in this figure, the operation knob 8 is constituted by a part of the luggage box 6 by the support shaft 24. The inner wall of the rear wall 25 is rotatably supported. One end of the support shaft 24 passes through the rear wall 25 and protrudes rearward, and an arm 27 is provided integrally therewith, and one end of the operation cable 9 is connected to the tip thereof. The rotation of the operation lever 8 is restricted by stopper inclined surfaces 28 a and 28 b formed on the left and right of the upper end of the stopper plate 28 attached to the rear wall 25 .
[0020]
When the arm 27 is in the locked position indicated by the solid line in which the operation lever 8 is rotated clockwise in the drawing and brought into contact with the stopper inclined surface 28b , the operation cable 9 is pulled and rotated to the opposite side to stop the arm 27 . The operation cable 9 is loosened at an unlock position indicated by a virtual line brought into contact with the inclined surface 28a .
[0021]
The operating lever 8 is fixed to the locked position or unlocked position by reversing the rotation direction of the arm 27 . That is, by setting the operation cable 9 at the lock position or the unlock position so as to pass through the opposite side across the center of the support shaft 24 , the operation knob 8 is locked by a solid line and an unlock position by a virtual line. , The rotation direction of the arm 27 is reversed with the center of the support shaft 24 as a dead center, and the position is determined by the elasticity of the operation cable 9 and the return spring 30 described later at this reverse rotation position. .
[0022]
Reference numeral 25a in the figure denotes an entrance / exit slit of the lock fitting 26 provided on the bottom surface of the seat, and 7a denotes a hook of the seat lock 7 engaged therewith. The seat lock 7 is attached to a cross pipe 20a provided between upper portions of left and right rear portions constituting the vehicle body frame 20 (see FIG. 6) .
[0023]
Next, details of the main stand storage lock will be described. As shown in FIGS. 8 and 9, the stand bracket 23 surrounds the periphery with a wall portion to form a substantially sealed space in which it is difficult to put a hand from the outside, and the main stand storage lock 11 is accommodated in this space.
[0024]
The main stand storage lock 11 includes a lock plate 33 supported on a support plate 31 fixed inside the stand bracket 23 so as to be rotatable around a support shaft 32, and is operated to one end 34 of the lock plate 33. The cable 9 and one end of the return spring 30 are connected. The other end of the return spring 30 is locked to the support plate 31 .
[0025]
The end of the lock plate 33 opposite to the one end 34 across the support shaft 32 forms an engagement end 36 and fits into a bracket-side slit 39 formed in the joining portion of the reinforcing plate 37 and the rear vertical wall 38. In addition, it is possible to enter and exit the stand side slit 41 formed in the upper wall 40 of the main stand 12 in the standing state.
[0026]
The stand side slit 41 coincides with the bracket side slit 39 only when the main stand 12 is in the standing state, and the engagement end portion 36 of the lock plate 33 can be fitted. When the engagement end 36 is engaged with the stand-side slit 41 , the main stand 12 is locked and cannot rotate, so that it remains in an upright state.
[0027]
The return spring 30 constantly urges the lock plate 33 to rotate clockwise in FIG. 9 and causes the engaging end 36 to escape from the stand-side slit 41, thereby bringing the unlocking position indicated by the phantom line in the figure. . On the other hand, the operation cable 9, by fitting by rotating the lock plate 33 counterclockwise against the elastic force of the return spring 30 the engaging end portion 36 to the stand-side slit 41, the solid line in FIG. The lock position shown in
[0028]
Reference numeral 42 in the drawing denotes a rotation stopper, which abuts against the reinforcing plate 37 at the locked position and abuts against the corner 43 of the support plate 31 at the unlocked position, thereby restricting the rotation of the lock plate 33. ing.
[0029]
Next, the operation of this embodiment will be described. As shown in FIG. 1, rotates the operation knob 8 of the luggage box 6 in the direction to unlock the main stand housing lock 11, open at the same time the shutter 15 when unlocking the main stand housing lock 11, the main switch 3 When the key insertion port 14 is opened and a key (not shown) is inserted, the ignition switch is turned on to enable traveling.
[0030]
As described above, since the shutter 15 can be opened simultaneously with the unlocking of the main stand storage lock 11 simply by operating the operation knob 8, the operation is simplified and the operability is improved, and the shutter is moved to the main switch 3 side. There is no need to provide an actuator such as a solenoid for opening 15, the structure can be simplified, and the cost can be reduced. In addition, since the opening of the shutter 15 is interlocked with the main stand storage lock 11 for the same purpose of preventing theft, the antitheft effect can be enhanced.
[0031]
As shown in FIG. 1, the handle lock plate 51 can be interlocked from the joint portion 10 via the branch cable 50. In this way, since the slit 52 formed in the handle post 1 can be directly engaged with the handle lock plate 51, a stronger handle lock can be configured.
[0032]
In addition, since the stroke of the handle lock plate 51 can be increased, the degree of freedom in setting the lever ratio is increased. In addition, since the members for the purpose of preventing theft are linked, the operability can be improved and the effect of preventing theft can be further improved.
[0033]
In addition, this invention is not limited to the said Example, A various deformation | transformation and application are possible. For example, a handle lock can be integrated with the main switch 3 . The shutter opening / closing mechanism and the main stand storage lock may employ various other known structures.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of the whole anti-theft device. FIG. 2 is an overall view of a motorcycle. FIG. 3 is a side view of an external appearance of a main stand. FIG. 5 is a side view of the main part of the rear part of the vehicle body. FIG. 7 is a front view of the unlocking operation part. FIG. 8 is a side view of the main stand storage lock. FIG. 9 is a sectional view taken along line 9-9 in FIG.
1: Handle post, 2: Handle post cover, 3: Main switch , 4: Shutter opening / closing mechanism, 5: Seat, 6: Luggage box, 8: Operation knob, 9: Operation cable , 10: Joint part, 11: Main stand Storage lock, 12: Main stand, 14: Key insertion slot, 15: Shutter

Claims (2)

Comprising a shutter for covering the key hole openably in theft prevention device for a motorcycle performed by the operation member provided to open and close this shutter below the seat,
The operation member provided below the seat is an unlocking operation portion of the main stand storage lock,
The unlocking operation part of the main stand storage lock and the main stand storage lock are connected by a cable via a joint part, and the joint part and the shutter are connected by another cable.
An anti-theft device for a motorcycle , wherein the unlocking operation part of the main stand storage lock interlocks the unlocking operation of the main stand storage lock and the opening operation of the shutter .   The antitheft device for a motorcycle according to claim 1, wherein the unlocking of the handle lock is interlocked with the unlocking operation portion of the main stand storage lock.

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