JP4753984B2 - Motorcycle anti-theft device - Google Patents

Description

  The present invention relates to a device for preventing theft by disabling the driving operation of a motorcycle, and more particularly to a device for preventing theft by changing the structure of an operation lever of the motorcycle.

  2. Description of the Related Art Conventionally, as a device for preventing theft of a motorcycle, there are roughly classified an electrical device that generates an alarm sound and an engine that cannot be started, and a mechanical device that locks a handle, a wheel, or the like. Many of the electrical devices are small and easy to install, but there is a problem that they are malfunctioning or easily broken and have low reliability. In addition, the mechanical device has low risk of malfunction or destruction and high reliability, but has a problem that the structure is complicated and large. Therefore, in order to make the structure simpler, there have been proposed ones that restrict operation levers such as a brake lever and a clutch lever so that they cannot be operated, and release the engagement between the wire attachment portion and the lever portion.

As a device for restraining the operation lever, a device using an instrument that connects and locks the handle grip and the brake lever is known (for example, see Patent Document 1). Further, as a device for releasing the engagement between the wire attachment portion and the lever portion, a base that is pivotally attached to the handlebar and to which the clutch wire is attached, a lever that is pivotally attached to the base, a base and a lever, There has been known one provided with an engagement means for engaging the engagement means and a lock means for locking the engagement means (see, for example, Patent Document 2).
JP 2006-131206 A JP 2005-349882 A

  However, in the case of the device for restraining the operation lever, there is a problem that an instrument for connecting the handle grip and the brake lever and a key for locking the apparatus must be always carried. Moreover, when the device was attached to the brake lever, the device became conspicuous, and it was supposed to promote the destruction and mischief of the device.

  In addition, in the case of a device for releasing the engagement between the wire attachment portion and the lever portion, a lock means for locking the engagement means for engaging the base and the lever is provided, and a structure for operating the lock means with a key is required. It was. For this reason, even in this apparatus, it is necessary to always carry a key for operating the lock means. In addition, in this device, a key cylinder for key operation is provided, or the lever is in a released state, so that it is easily noticeable, and there is a possibility that the key cylinder or lever may be destroyed or mischievous. there were.

  The problem to be solved by the present invention is to provide a motorcycle antitheft device that solves the above-mentioned problems of the prior art, reliably prevents theft, and is unlikely to be a target of destruction or mischief.

  An antitheft device for a motorcycle according to the present invention includes a base member having a first connecting portion, which is rotatably attached to a handle, and a second connecting portion connected to the first connecting portion. The base member can be turned by connecting the first and second connecting portions, and the base member can be turned by releasing and removing the connection of the first and second connecting portions. An operation lever member that disables the operation, and a lock member that locks and unlocks the state where the first and second connecting portions are connected.

  Further, one of the first and second connecting portions in the antitheft device for a motorcycle has a connecting pin, and the other has a connecting hole adapted to the connecting pin. Further, the lock member locks the connection pin by preventing the connection pin from being pulled out by engaging with the connection pin fitted in the connection hole. In addition, one of the first and second connecting portions has a convex shape portion, and the other has a concave shape portion that fits the convex shape portion, and is attached to and detached from the convex shape portion and the concave shape portion. First and second contact surfaces facing each other are provided, and the connection pin and the connection hole are provided in the first and second contact surfaces. In addition, the lock member is formed of a lock pin having a small-diameter portion in part, and is inserted into a lock pin insertion hole that intersects a part of the connection hole, and a portion where the connection hole and the lock pin insertion hole intersect. The opening portion formed is engaged and locked with the connecting pin, and the small diameter portion is positioned in the opening portion to release the lock from the connecting pin.

  The anti-theft device for a motorcycle according to the present invention removes an operation lever member from a base member attached to a handle, thereby disabling operation of a clutch, a brake, and the like by the operation lever member. As described above, in the present invention, since the operation operation cannot be performed by removing the operation lever member, theft can be surely prevented. Further, the state in which the operation lever member is removed is not conspicuous as compared to the state in which an instrument for restraining the operation lever is attached, and is less likely to be a target of destruction or mischief. In particular, since the operation lever that is likely to be a target of destruction or mischief is removed, destruction or mischief can be prevented in advance.

  Moreover, in the antitheft device of the present invention, the first and second connecting portions that are connected to the base member and the operation lever member are provided, respectively, and are further adapted to the first and second connecting portions. A connecting pin and a connecting hole are provided. Thereby, in this apparatus, a base member and an operation lever member can be connected reliably and easily. Further, the shapes of the first and second connecting portions and the positions, shapes, and lengths of the connecting pins and the connecting holes are set so as to be compatible with each other. For this reason, if the shape of the 1st and 2nd connection part and the position, shape, or length of a connection pin and a connection hole do not correspond, an operation lever member cannot be connected to a base member. Therefore, it is not possible to attach anything other than a suitable operation lever member to the base member, and it is possible to prevent theft extremely severely.

  Further, the lock member that locks and unlocks the state where the first and second connecting portions are connected includes a lock pin, and engages with the connecting pin inserted into the connecting hole in the connecting hole. ing. For this reason, the connecting pin is properly inserted into the connecting hole, and the first and second connecting portions cannot be locked and operated unless the connecting pin and the lock pin are properly engaged. It becomes a state that can not be. As a result, theft can be prevented more reliably.

  The antitheft device for a motorcycle according to the present invention includes a base member having a first connecting portion and an operation lever member having a second connecting portion connected to the first connecting portion. The first and second connecting portions can be connected and released, and when connected, the base member can be rotated by the operating lever member. When the connecting lever is released and the operating lever member is removed, the base member is removed. It becomes impossible to rotate. The antitheft device includes a lock member that locks and unlocks the state in which the first and second connecting portions are connected. If the connection state of the 1st and 2nd connection part is locked with this lock member, the connection state of the 1st and 2nd connection part will be held. As a result, it becomes possible to maintain a state in which the base member can be rotated by the investigation lever member.

  An embodiment of the present invention will be described below with reference to the drawings. In addition, a present Example has illustrated the case where the antitheft device of this invention is applied to a clutch lever. FIG. 1 is an external perspective view showing an antitheft device for a motorcycle according to an embodiment of the present invention, FIG. 2 is a perspective view showing an attachment / detachment state of an operation lever member and a base member shown in FIG. 1, and FIG. FIG. 4 shows the first and second connecting portions of the base member and the operating lever member in a disconnected state. FIG. 4 is a partial sectional view showing the first and second connecting portions of the base member and the operating lever member. FIG. 5A is a sectional view taken along the line AA in FIG. 3, and FIG. 5B is a sectional view showing a state in which the lock by the locking member shown in FIG. 5A is released.

  In FIG. 1, reference numeral 2 denotes a base member, which is attached at a position adjacent to a grip 6 provided at an end of one handle 4. The base member 2 in this embodiment is rotatably attached to a lever holder 8 that also serves as a switch box fixed to the handle 4 by an attachment shaft 10. As shown in FIG. 2, the base member 2 is formed of a substantially L-shaped metal fitting, and is provided with a mounting hole 2 a into which the mounting shaft 10 is inserted at one end thereof, and the other end. Is provided with a first connecting portion 2b. Further, a concave portion 2c that opens in the side surface direction is provided at the central corner of the base member 2, and a through hole 2d is provided so as to penetrate the upper and lower walls of the concave portion 2c. The clutch wire end 12 is fitted into the recess 2c, and the clutch wire end 12 is pivotally attached by the shaft 14 fitted into the through hole 2d. The detailed configuration of the first connecting portion 2b will be described later.

  Reference numeral 16 denotes an operation lever member, which is composed of a slightly bent rod-shaped metal fitting, which is provided with an operation portion 16a from approximately the center to one end portion, and a second connecting portion 16b provided at the other end portion. ing.

  First and second connecting portions 2b and 16b provided on the base member 2 and the operating lever member 16 connect the base member 2 and the operating lever member 16 so as to be able to rotate integrally. Is. As shown in FIGS. 2 to 4, the first connecting portion 2 b includes a convex shape portion 2 e that protrudes in a convex shape from the end portion of the base member 2 toward the outward extension direction, and the operation lever member 16. A first contact surface 2f provided in the attachment / detachment direction (in this embodiment, the rotation direction of the base member 2, the direction of arrows 18a and 18b in FIG. 2), and the attachment / detachment direction from the first contact surface 2f And a plurality of connecting pins 2g, 2h, 2i. The second connecting portion 16b includes a concave portion 16e that fits the convex portion 2e, a second contact surface 16f that faces and contacts the first contact surface 2f, and the second contact. A plurality of connecting holes 16g, 16h, 16i are provided on the surface 16f and are respectively fitted to the connecting pins 2g, 2h, 2i.

  The first and second connecting portions 2b and 16b are formed by fitting the connecting pins 2g, 2h and 2i into the corresponding connecting holes 16g, 16h and 16i, respectively, and fitting the convex shape portion 2e and the concave shape portion 16e. , And can be connected in the mounting direction indicated by the arrow 18a. The connection pins 2g and 2i in the present embodiment are thick pins in order to increase the connection strength, and are arranged near the tip and the base of the convex portion 2e. Further, the connecting pin 2h has a plurality of thin pins arranged in order to make the arrangement more complicated. In this embodiment, the connecting pin 2i is erected at a position slightly recessed inward of the base member 2 from the base of the convex portion 2e. A wall portion 16j having a contact surface 16f protrudes slightly from the end of the operating lever member 16, and a connection hole 16i is formed there. Thus, the first and second connecting portions 2b and 16b are assembled and connected in a more complicated manner. By changing the thickness and length of the connecting pins 2g, 2h and 2i, the diameter and depth of the connecting holes 16g, 16h and 16i, the position and number of each connecting pin and each connecting hole, etc., depending on the anti-theft device. There is only one matching combination. In this way, the anti-theft device of the present invention is provided with a different lock position for each motorcycle, so that the anti-theft effect can be further ensured.

  Reference numeral 20 denotes a lock pin as a lock member. As shown in FIG. 5, the lock pin 20 has a small-diameter portion 20a in the vicinity of the center or slightly offset from the center to one side. The small-diameter portion 20a is formed so as to have a diameter smaller than that of the main body portion 20d and to escape a connecting pin 2g protruding from an opening portion 16n described later. Further, the lock pin 20 in the present embodiment has a large diameter portion 20b having a diameter larger than that of the main body portion 20d at one end and a ring-shaped groove portion 20c having a narrow width on the outer peripheral surface at the other end. The lock pin 20 has a main body portion 20d slidably inserted into a lock pin insertion hole 16k provided in the operation lever member 16, and is provided in an end groove portion 20c protruding from the lock pin insertion hole 16k. A ring 22 is attached. A coil spring 24 and a washer 26 fitted around the lock pin 20 are disposed between the E ring 22 and the opening peripheral edge of the lock pin insertion hole 16k. It is biased in the axial direction. In this embodiment, in order to position the coil spring 24 with certainty, a recess 16m that fits the coil spring 24 is provided on the periphery of the opening of the lock pin insertion hole 16k.

  The lock pin insertion hole 16k intersects the connection lever 16g inside the operation lever member 16. For this reason, an opening portion 16n is formed at the intersection, a part of the outer periphery of the lock pin 20 protrudes into the connection hole 16g from the opening portion 16n, and a part of the outer periphery of the connection pin 2g is a lock pin. It protrudes into the insertion hole 16k. Further, a curved engaging recess 2j that fits the main body portion 20d of the lock pin 20 is provided near the center of the connecting pin 2g so as to engage with the protruding lock pin 20, and the protruding connecting pin 2g. A small diameter portion 20a is provided on the lock pin 20 so as to escape.

  Next, the operation of the antitheft device having the above configuration will be described. Usually, the base member 2 and the operating lever member 16 are used in a connected state as shown in FIGS. 1, 3 and 5A. When the base member 2 and the operating lever member 16 are connected, the first and second connecting portions 2b, 16b are connected to the connecting pins 2g, 2h, 2i in the connecting holes 16g, 16h, 16i, respectively. The convex shape portion 2e and the concave shape portion 16e are adapted so that the first and second contact surfaces 2f and 16f are in contact with each other. At this time, the lock pin 20 is urged by the coil spring 24, and a part of the main body portion 20d protrudes from the opening portion 16n into the connection hole 16g. Further, the engaging recess 2j of the connecting pin 2g is set to face the opening portion 16n. As a result, the main body portion 20d of the lock pin 20 projects into the opening portion 16n, and the projecting portion fits into the engagement recess 2j to engage with each other, preventing the connecting pin 2g from being pulled out and locked. Yes. Therefore, the connection between the base member 2 and the operation lever member 16 is maintained.

  When the first and second connecting portions 2b and 16b are connected and locked by the lock pin 20 as described above, the operating lever member 16 and the base member 2 are integrated, and the base member is operated by operating the operating lever member 16. 2 can be rotated.

  On the other hand, when the connection between the first and second connecting portions 2b and 16b is released, the lower end portion of the lock pin 20 on the side where the coil spring 24 is provided is pushed up as shown in FIG. As a result, the coil spring 24 is reduced and the lock pin 20 is pushed into the lock pin insertion hole 16k, and the small diameter portion 20a reaches a position facing the opening portion 16n. For this reason, the main body portion 20d of the lock pin 20 does not protrude from the opening portion 16n into the connection hole 16g, and the engagement between the lock pin 20 and the engagement recess 2j of the connection pin 2g is released. As a result, the connecting pin 2g can be removed from the connecting hole 16g. In such an unlocked state, when the operating lever member 16 is pulled in the disengagement direction indicated by the arrow 18b in FIG. 2, the connecting pins 2g, 2h, 2i are pulled out from the connecting holes 16g, 16h, 16i, and the two are fitted. At the same time, the fitting between the convex portion 2e and the concave portion 16e is also released, so that the operation lever member 16 can be detached from the base member 2 as shown in FIGS.

  As described above, when the operation lever member 16 is detached from the base member 2, the base member 2 cannot be rotated, and as a result, the clutch operation becomes impossible. Therefore, the motorcycle can be securely prevented from being stolen by performing the above-described releasing operation and removing the operation lever member 16 when leaving the motorcycle.

  The removed operation lever member 16 is worn in a bag or the like while away from the motorcycle, and is attached to the base member 2 when returning to the motorcycle. When the operation lever member 16 is mounted, the lock pin 20 of the operation lever member 16 is pushed in to move the small diameter portion 20a to the position facing the opening portion 16n, and the operation is performed in the same state as when the operation lever member 16 is removed. The lever member 16 is moved in the mounting direction indicated by the arrow 18a in FIG. 2 with respect to the base member 2, and the connecting pins 2g, 2h, 2i are fitted into the connecting holes 16g, 16h, 16i, and the convex portion 2e and the concave portion 2 are recessed. The shape portion 16e is fitted. Next, when the finger holding the lock pin 20 is released, the lock pin 20 is pushed down by the elastic force of the coil spring 24, and the main body portion 20d of the lock pin 20 and the engaging recess 2j of the connecting pin 2g are engaged. Thus, the locked state is established, and the operation lever member 16 can be operated by the clutch.

  In the present embodiment, the lock pin 20 cannot be unlocked unless the lock pin 20 is pressed from below the operation lever member 16 so that the lock release operation is difficult during the driving operation. It is also possible to change the design to a structure in which the lock is released by pushing down from above.

  In this embodiment, the base member 2 is provided with connection pins 2g, 2h, 2i, and the operation lever member 16 is provided with connection holes 16g, 16h, 16i. The design may be changed so that the lever member 16 is provided with a connecting pin. When the design is changed in this way, the lock pin 20 and the lock pin insertion hole 16k are also transferred from the operation lever member 16 to the base member 2.

  As described above, in the present embodiment, the operation lever member 16 that is extremely firmly connected to the base member 2 can be easily removed simply by pressing the lock pin 20, and theft can be prevented easily and reliably. . In addition, since there are no visible tools or key cylinders, the possibility of being destroyed or mischievous is low.

  The motorcycle according to the present invention includes what is commonly called a motorcycle, and includes a large motorcycle, a normal motorcycle, a small motorcycle, a motorbike, and a motorcycle with an engine, which are classified under the Road Traffic Law. A tricycle based on the model is also applicable.

1 is an external perspective view showing an antitheft device for a motorcycle according to an embodiment of the present invention. It is a perspective view which shows the attachment or detachment state of the operation lever member and base member which are shown in FIG. FIG. 5 is a partial cross-sectional view showing first and second connecting portions of a base member and an operating lever member in a connected state. It is a fragmentary sectional view showing the 1st and 2nd connecting part of a base member and an operation lever member in the state where connection was canceled. (A) is AA sectional drawing of FIG. 3, (b) is sectional drawing which shows the state which cancelled | released the lock | rock by the locking member shown to Fig.5 (a).

Explanation of symbols

2 Base member 2a Mounting hole 2b 1st connection part 2c Recess 2d Through hole 2e Convex part 2f 1st contact surface 2g, 2h, 2i Connection pin 2j Engaging recess 4 Handle 6 Grip 8 Lever holder 10 Mounting shaft 12 Clutch wire end portion 14 Shaft 16 Operation lever member 16a Operation portion 16b Second connecting portion 16e Recessed portion 16f Second contact surface 16g, 16h, 16i Connecting hole 16j Wall portion 16k Lock pin insertion hole 16m Recessed portion 16n Opening portion 18a Arrow 18b for mounting direction Arrow 20 for releasing direction Lock pin 20a Small diameter portion 20b Large diameter portion 20c Groove portion 20d Main body portion 22 E ring 24 Coil spring 26 Washer

Claims (4)

A base member rotatably attached to the handle and having a first connecting portion;
A second connecting portion connected to the first connecting portion; the base member can be turned by connecting the first and second connecting portions; An operation lever member that disables the rotation operation of the base member by releasing and removing the connection portion of
A locking member that locks and unlocks the state where the first and second coupling portions are coupled,
One of the first and second connection portions has a connection pin, and the other has a connection hole that fits the connection pin . 2. The antitheft device for a motorcycle according to claim 1, wherein the lock member is engaged with the connection pin fitted in the connection hole to prevent the connection pin from being pulled out and locked. 3. . One of the first and second connecting portions has a convex shape portion, the other has a concave shape portion that fits the convex shape portion, and the convex shape portion and the concave shape portion have an attachment / detachment direction. provided first and second abutment surfaces facing each motorcycle according to claim 1, wherein the connecting pin and the connecting hole to the first and second abutment surface is provided Anti-theft device. The lock member is formed of a lock pin having a small diameter portion in part, and is inserted into a lock pin insertion hole that intersects with a part of the connection hole, and is formed at a portion where the connection hole and the lock pin insertion hole intersect. automatic according to claim 1, that together with the lock engaged with the connecting pin from the opening portion, characterized in that said locking off the connecting pin released by positioning the said small diameter portion to the opening portion Anti-theft device for motorcycles.

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