JP2005349882A - Anti-theft device for motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an anti-theft device for motorcycle which has ideas in the structure of a clutch operation lever by neither narrowing the foot space for a driver, nor obstructing drive. <P>SOLUTION: The clutch operation lever has a clutch operation lever base body, a clutch operation lever grip, and an engaging means which engages the clutch operation lever grip with the clutch operation lever base body through a pin. The clutch operation lever also has a locking means which fixes the clutch operation lever grip being engaged by the pin to the clutch operation lever base body at a specified position. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

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

  Conventionally, various ideas have been made to prevent theft of motorcycles. For example, Patent Document 1 below discloses a technique in which a lock operation lever is provided below a handle of a motorcycle, and a lock lever that prevents rotation of a rear wheel by operating the lock operation lever is disclosed.

Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique for appropriately moving a protective member that covers a key hole of a main switch.
JP-A-11-189185 JP 11-115841 A

  According to the invention described in Patent Document 1, a lock lever for locking the rotation of the rear wheel is provided, and an operation lever for operating the lock lever must be provided below the handle of the motorcycle. There is a problem of becoming a simple configuration. Further, according to the invention described in Patent Document 2, since a protective member for covering the key hole of the main switch must be provided below the handle of the motorcycle, the driver's footing becomes narrow, which may hinder driving. There's a problem.

  The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a motorcycle antitheft device in which the structure of a clutch operation lever of a motorcycle is devised.

  A motorcycle antitheft device according to the present invention is a motorcycle including a handle lever and an operation lever attached to face the handle lever. The operation lever includes a clutch operation lever base and a clutch operation lever grip. Engaging means for engaging the clutch operating lever grip with the clutch operating lever base via a pin, and locking means for fixing the pin operating clutch operating lever grip to the clutch operating lever base at a specific position It is characterized by having.

  The engaging means further includes an elastic member, and the elastic operation member is applied with a biasing force for rotating the clutch operation lever grip in a certain direction.

  Further, the lock means has a key cylinder and a holder hook that is operated by a key operation on the key cylinder, and the clutch operation lever grip is locked to the clutch operation lever base by the holder hook.

  In addition, the clutch operating lever base has a protrusion that engages with the holder hook.

  According to the present invention, the clutch operating lever base and the clutch operating lever grip are pin-engaged via the pin engaging means. Further, the clutch operating lever grip is locked to the clutch operating lever base by the locking means, or the locked state is released and the clutch operating lever grip is substantially separated from the clutch operating lever base.

  When locked, the clutch operating lever grip and the clutch operating lever base are integrated, so that the operation of the clutch operating lever grip is transmitted to the clutch operating lever base to enable the clutch operation of the motorcycle.

  On the other hand, when the lock is released, the clutch operating lever grip is separated from the clutch operating lever base, and the operation of the clutch operating lever grip is not transmitted to the clutch operating lever base, so that the clutch is not effective.

  As described above, the clutch operation lever grip and the clutch operation lever base are configured differently, and the clutch operation lever grip can be separated from the clutch operation lever base when not in operation, so that the motorcycle can be prevented from being stolen. .

(1) About whole structure First, the whole structure of the antitheft device of the motorcycle concerning the embodiment of the present invention is explained.

  FIG. 1 is a top view showing the vicinity of a left handle of a motorcycle. A handle grip 1 on which a driver's left hand is placed is attached to the left end of a handle lever 2 extending to the left from the center of the motorcycle, and a handle switch portion 3 on which a turn signal switch and light switches are mounted, A handle bracket 4 is provided inside thereof.

  A clutch operating lever is attached to the handle bracket 4. In the present embodiment, the clutch operating lever is composed of a clutch operating lever base 6 and a clutch operating lever grip 7, which have separate structures and are engaged via a joint pin 12.

  The clutch operating lever base 6 is attached to the clutch operating lever base 6 by a special bolt 5 and can rotate around the special bolt 5. The clutch operating lever base 6 is normally in a state shown in FIG. 1 as it receives a clockwise biasing force by an elastic force.

  Further, one end of a wire 8 is fixed to a wire fastener 9 on the clutch operating lever base 6 and the other end is connected to a clutch (not shown). When the driver turns the clutch operating lever base 6 counterclockwise and pulls the wire 8, the clutch of the motorcycle connected to the wire 8 can be disengaged, and when the force is released, it returns to the original state by the clockwise urging force. The clutch is engaged.

(2) Description of engagement between clutch clutch operating lever base and clutch operating lever grip Next, referring to the drawings, the configuration of the clutch operating lever base 6 and the clutch operating lever grip 7 and the state in which they are engaged. This will be described in more detail. FIG. 6 is a perspective view showing the configuration of the clutch operation lever base 6 and the clutch operation lever grip 7.

  The clutch operating lever base 6 is formed with a joint pin insertion hole 18, a sleeve receiving portion 17, a joint pin receiving portion 20, and a coil end receiving hole 23 in order to engage with the clutch operating lever grip 7 via the joint pin 12. ing. Similarly, the clutch operation lever grip 7 is formed with a sleeve 16, a joint pin insertion hole 19, and a coil end receiving hole 24. Reference numeral 22 denotes a washer, and reference numeral 21 denotes a spring coil, which is a member that engages the clutch operation lever base 6 and the clutch operation lever grip 7.

  In order to engage the clutch operating lever base 6 and the clutch operating lever grip 7, the lower end of the spring coil 21 is inserted into the coil end receiving hole 23, the upper end of the spring coil 21 is inserted into the coil end receiving hole 24, and the joint pin receiving The joint pin 12 is inserted with the centers of the holes of the portion 20, the spring coil 21, the washer 22 and the joint pin insertion holes 18 and 19 being aligned. As a result, the sleeve 16 of the clutch operating lever grip 7 and the sleeve receiving portion 17 of the clutch operating lever base 6 are coupled via the joint pin 12. Since the clutch operating lever grip 7 receives a counterclockwise biasing force by the spring coil 21, the clutch operating lever grip 7 is in a state as shown in FIG. 7, and the clutch operating lever grip 7 is substantially separated from the clutch operating lever base 6. .

(3) Description of locking of the engagement Next, referring to FIG. 1 and FIG. 6, the clutch operating lever grip 7 is locked to the clutch operating lever base 6, that is, the clutch operating lever grip 7 and the clutch operating lever base 6 are locked. A mechanism for fixing the engagement with will be described.

  As a locking means, the clutch operating lever base 6 includes a key cylinder 11 provided with a key insertion slot, and a holder hook 13 that rotates within a certain range in conjunction with the movement of the key cylinder 11. The clutch operating lever base 6 includes a protrusion 14 having a tip receiving groove 14a into which the tip 13a of the rotated holder hook 13 is fitted.

  On the other hand, the clutch operating lever grip 7 includes a first step 25, a second step 26, and an engagement end 15. The first step 25 is for receiving the protrusion 14 of the clutch operation lever base 6 when the clutch operation lever grip 7 is rotated clockwise. The engaging end 15 is located at the end of the clutch operating lever grip 7, and when it is hooked by the rotating holder hook 13, the clutch operating lever grip 7 operates substantially integrally with the clutch operating lever base 6.

  The second step 26 is formed for attaching a ring attached to the end of the helmet string, which will be described later.

(4) Description of Operation of Antitheft Device Next, the operation of the antitheft device for a motorcycle according to the present invention will be described with reference to the drawings.

  When the keyhole is oriented as shown in FIG. 1, the clutch operating lever grip 7 is substantially disconnected from the clutch operating lever base 6 so that the clutch operates even when the clutch operating lever grip 7 is operated. do not do.

  When a legitimate driver is driving, as shown in the figure, first turn the clutch operating lever grip 7 clockwise, then insert the clutch movable key into the key hole of the key cylinder and turn the holder hook 7 counterclockwise. When rotated, the tip 13a of the holder hook 7 is fitted into the tip receiving groove 14a. As a result, the engaging end 15 of the clutch operating lever grip 7 is sandwiched between the holder hook 7 and the clutch operating lever base 6, so that the clutch operating lever grip 7 is locked.

  Accordingly, when the clutch operating lever grip 7 is operated, the operation is transmitted to the clutch operating lever base 6 as it is, so that the driver can perform a predetermined clutch operation. That is, the driver drives the motorcycle in this state.

  Next, a description will be given of preventing another person who does not have a clutch moving key from driving a motorcycle even if the driver leaves the motorcycle. As shown in FIG. 4, in a state where the clutch operating lever grip 7 is substantially separated from the clutch operating lever base 6, the driver inserts the key into the key hole of the key cylinder and rotates the holder hook 7 counterclockwise. Thereby, the tip 13a of the holder hook 7 is fitted into the tip receiving groove 14a. As can be seen from the drawing, the clutch operating lever grip 7 remains substantially disconnected from the clutch operating lever base 6, and therefore the clutch cannot be moved even if the clutch operating lever grip 7 is operated. In this way, it is possible to prevent the motorcycle from being stolen.

(5) Helmet anti-theft device Generally, when leaving the motorcycle, the driver keeps the helmet next to the motorcycle. Can do.

  First, the driver places a part of the wheel 30 attached to the end of the helmet string 29 on the second step 26 of the clutch operating lever grip 7. Next, when the holder hook 7 is rotated counterclockwise using the clutch moving key, the tip 13a of the holder hook 7 is fitted into the tip receiving groove 14a, so that it is attached to the end of the helmet string as shown in FIG. The attached ring 30 cannot come out of the holder hook 7 or the engaging end 15. Thereby, theft of the helmet can be prevented.

(6) Description of Motorcycle Theft Prevention Device According to Another Embodiment (Part 1) of the Present Invention FIG. 8 is a perspective view of a clutch operating lever grip 7 according to another embodiment of the present invention. In this embodiment, a joint bolt 27 is used instead of the sleeve 16 of the clutch operating lever grip 7 of FIG. When the joint bolt 27 is used, the clutch operating lever base 6 and the clutch operating lever grip 7 can be adjusted by changing the length of the joint bolt 27 or adjusting the mounting depth in a mounting hole (not shown). The engagement position relationship can be adjusted as appropriate. Thereby, the optimal position of the driver of the motorcycle can be set.

  The nut 28 is used to adjust or stabilize the mounting position of the joint bolt 27.

(7) Description of Motorcycle Theft Prevention Device According to Another Embodiment (Part 2) of the Present Invention FIG. 9 is a perspective view of a clutch operating lever base 6 according to another embodiment of the present invention. In this embodiment, the shape of the tip 31a of the holder hook 31 is changed to a “U” shape. Accordingly, the shape of the tip receiving groove 32a of the protrusion 32 is also changed.

  The protrusion 32 is shorter and thicker than the protrusion 14 shown in FIG. 6, so that the protrusion 32 is strong and has the advantage that it is less likely to be stolen.

  In each of the above embodiments, the case where the clutch system is a mechanical system has been described, but it is needless to say that the present invention can also be applied to a hydraulic system.

It is a figure explaining the composition of the antitheft device of the motorcycle concerning the embodiment of the present invention. FIG. 3 is a diagram (part 1) for explaining the operation of the motorcycle antitheft device according to the embodiment of the present invention; FIG. 6 is a diagram (part 2) for explaining the operation of the antitheft device for a motorcycle according to the embodiment of the present invention. FIG. 6 is a diagram (No. 3) for explaining the operation of the motorcycle theft prevention apparatus according to the embodiment of the present invention; FIG. 7 is a diagram (No. 4) for explaining the operation of the motorcycle theft prevention apparatus according to the embodiment of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram (part 1) for explaining in detail a configuration of a motorcycle antitheft device according to an embodiment of the present invention; FIG. 3 is a (second) diagram illustrating in detail the configuration of the antitheft device for a motorcycle according to the embodiment of the present invention. It is a figure explaining the antitheft device of the motorcycle concerning another embodiment (the 1) of the present invention. It is a figure explaining the antitheft device of the motorcycle concerning another embodiment (the 2) of the present invention.

Explanation of symbols

1 ... handle lever,
2 ... Handle grip,
3 ... handle switch part,
4 ... Handle bracket,
5 ... Special bolt,
6 ... Clutch operating lever base,
7 ... clutch operating lever grip,
8 ... Wire,
9 ... Wire fastener,
10 ... Key cylinder,
11 ... Key hole,
12 ... Joint pin,
13 ... Holder hook,
13a ... the tip of the holder hook,
14 ... protrusions,
14a ... tip receiving groove,
15 ... engaging end,
16 ... Sleeve,
17 ... Sleeve receiving part,
18, 19 ... Joint pin insertion hole,
20 ... Joint pin receiving part,
21 ... Spring coil,
22 ... washers,
23, 24 ... Coil end receiving holes,
25 ... the first step,
26 ... second step,
27 ... Joint bolt,
28 ... Nuts,
29 ... a helmet string,
30 ...
31 ... Holder hook,
31a ... the tip of the holder hook,
32 ... protrusions,
32a: Tip receiving groove.

Claims (4)

A motorcycle comprising a handle lever and a clutch operation lever attached to face the handle lever,
The clutch operation lever is
The clutch operating lever base;
The clutch operating lever grip;
Engagement means for engaging the clutch operation lever grip with the clutch operation lever base via a pin;
An antitheft device for a motorcycle, comprising lock means for fixing the pin-engaged clutch operating lever grip to the operating lever base at a specific position.   2. The antitheft device for a motorcycle according to claim 1, further comprising an elastic member, wherein the elastic member applies a biasing force to rotate the clutch operation lever grip in a predetermined direction. The lock means according to claim 1 has a key cylinder and a holder hook that is operated by a key operation on the key cylinder.
An antitheft device for a motorcycle, wherein the operation lever grip is locked to the operation lever base by the holder hook.   2. The antitheft device for a motorcycle according to claim 1, wherein the operating lever base has a protrusion with which the holder hook is engaged.

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