JPH0241109Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a motorcycle locking device for preventing theft of a motorcycle having spoked wheels, such as a motorized bicycle, when the vehicle is parked.

(Prior Art and its Problems) Regarding this type of lock device, the present applicant previously filed an application with the following configuration. That is, when locking, the locking rod is rotated in one direction so that the control pin of the locking rod is disengaged from the engaging portion at one end of the guide groove of the housing, and the locking rod is moved against the biasing force of the spring. The control pin is pushed in the axial direction, and the tip side of the locking rod projects outward from the housing to be interposed between the spokes of the wheel, and then the control pin is rotated in the other direction. The engine starting circuit is configured to be engaged with the engaging portion on the other end of the guide groove and held in a locked state, and is further provided with a switch mechanism for opening and closing the engine starting circuit that opens and closes in conjunction with the operation of the locking rod. Ru.

Such a switch mechanism is constructed so that when the lock lever returns to the axial end side due to the biasing force of the spring, it can be automatically closed due to the return inertia, so that the movable contact of the switch mechanism and the fixed Because the contacts receive a large impact force when they make contact, quality control to ensure stable contact is difficult, and in order to improve durability, it is necessary to increase the mechanical strength of each part, which increases costs. There were other problems.

(Purpose of the invention) The present invention was made in view of the above circumstances, and aims to stabilize the contact state and reduce costs without applying impact force to the contact portion of the switch mechanism.

(Means for solving the problem) In order to achieve this purpose, in this invention,
When locking, use the key to rotate the locking rod in one direction so that the control pin of the locking rod is disengaged from the engaging portion at one end of the guide groove of the housing, and then apply the biasing force of the spring to the locking rod. Pushing the locking rod toward the tip in the axial direction against the resistance, causing the tip of the locking rod to protrude outside the housing and interposing it between the spokes of the wheel, and then rotating the locking rod in the other direction to lock the locking rod. The control pin is configured to be engaged with the engagement portion on the other end of the guide groove via a guide portion that communicates these two engagement portions to maintain the control pin in a locked state, and the control pin is configured to be held in a locked state, and further to be configured to operate in conjunction with the operation of the locking rod. In a locking device for a motorcycle, the locking device is provided with a switch mechanism for opening and closing an engine starting circuit that opens and closes when the locking lever is opened and closed. To provide a locking device for a two-wheeled motor vehicle, characterized in that the locking device is equipped with a mechanism that opens when the locking device is rotated in the other direction while being pushed toward the tip end side in the axial direction against the biasing force of a spring.

(Example) Hereinafter, an example of the present invention will be described based on the drawings. 1 and 2 show the side and front views, respectively, of a motorcycle (motorized bicycle) equipped with the locking device of the present invention. In both figures, 1 is the motorcycle, and wheels 3 supported at the front and rear of the body frame 2 are shown in FIGS. ,4
have spokes 3a and 4a, respectively. A power unit 5 is mounted on the lower part of the vehicle body frame 2 at approximately the middle thereof. By moving the drive roller 6 toward and away from the tires 4b of the rear wheels 4, the power of the power unit 5 can be switched between a state in which the power is transmitted to the rear wheels 4 and a state in which it is not transmitted. It is configured.

A locking device 9 of the present invention is attached to the front fork 8 located on one side of the vehicle body frame 2, as shown in FIG. The locking device 9
As shown in Fig. 4, the locking rod 10 and the housing 1 are
1, a key 12, and a switch mechanism 13.

As shown in FIG. 8, the lock rod 10 includes a key cylinder 15 in which a key groove 14 is formed, and a key cylinder 15 that is arranged so that the key cylinder 15 can be rotated only by the rotation operation of the key 12. spokes 3a of the front wheel 3 extending from the key cylinder 15;
and a rod 17 interposed between them. A control pin 18 is driven into the cylinder body 16, key cylinder 15, and rod 17, so that the cylinder body 16, key cylinder 15, and rod 17 move together in the axial direction of the lock rod 10. At the same time, the control pin 18 is slidably engaged in a long groove 19 provided in the circumferential wall of the cylinder body 16 over a predetermined angle range (45 degrees in this embodiment). Once positioned, the key cylinder 15 and rod 17 are both rotated by a predetermined angle (45 degrees in this embodiment) with respect to the cylinder body 16 when the key 12 is rotated.

As shown in FIG. 6, the locking rod 10 is secured to the fitting chamber 21 by engaging the protruding locking portions 20 on both outer surfaces thereof into the engaging grooves 21a, 21a on both sides of the fitting chamber 21 of the housing 11, as shown in FIG. It is fitted inside the shaft so that it can be slid in the axial direction while being prevented from rotating.

The cylinder body 16 is biased by a spring 22 in the direction of protruding outward from one end of the housing 11 .

A bulging portion 23 is provided on the other end side of the housing 11 from the substantially middle portion in the axial direction, and a accommodating portion 24 is provided in the bulging portion 23. is accommodated.

This switch mechanism 13 consists of a fixed plate 25 and a movable plate 2.
6, and a power supply side terminal 27 and a ground side terminal 28 of the engine starting circuit (not shown) of the power unit 5 are arranged on the fixed plate 25 with an interval in the width direction. Connection cords 29 and 30 are connected to both terminals 27 and 28, respectively. The movable plate 26 is located on the bottom side of the accommodating portion 24 and has a notch-shaped engaging portion 31.
The control pin 18 is removably engaged therein through a guide groove 32 provided in the housing 11.

Therefore, the lock rod 10 is pushed into the housing 11 using the key 12 against the urging force of the spring 22 (the rod 17 protrudes outward from the housing 11 and is interposed between the spokes 3a). When the tip of the control pin 18 is engaged with the engaging part 31 and the locking rod 10 is rotated, the movable plate 26 moves into the housing part 24 in conjunction with this.
It is designed to move inside and turn the switch on and off.

The movable plate 26 is provided with a terminal 33 having a length extending between the power supply side terminal 27 and the ground side terminal 28, and the terminal 33 is pressed against the terminals 27 and 28 of the fixed plate 25 by a spring 34. It is biased in the direction of When the locking rod 10 is rotated counterclockwise in FIGS. 6 and 10 to move the movable plate 26 to the left side in FIG. The side terminal 27 and the ground side terminal 28 are electrically connected to close the engine starting circuit.
In the figures and Fig. 10, the movable plate 2 is rotated clockwise.
6 is moved to the right side in FIG. 10, the electrical connection between the power supply side terminal 27 and the ground side terminal 28 is cut off, and the engine starting circuit is opened.

In order to maintain the opening/closing state of the engine starting circuit by the terminal 33 of the movable plate 26, the spring 34, the ball 35, the spherical recess 36, A click mechanism 38 consisting of 37 is provided.

As shown in FIG. 7, the lock rod 10 is inserted into the housing 11 using the key 12 as shown in FIGS. 6 and 10.
After rotating counterclockwise in the figure, the sixth
When rotated clockwise in the figures and FIG. 10, the starting circuit is opened and the guide groove 32 for guiding the control pin 18 is opened so that the locking rod 10 is interposed between the spokes 3a and held in the locked state. It is provided. The guide groove 32 has a length corresponding to the movement stroke of the lock rod 10 in the axial direction.
2a, and an engaging portion 32b connected to both ends of the guide portion 32a and communicated by the guide portion 32a.
32c. The guide portion 32a is provided along the length of the housing 11 so as to be inclined at a predetermined angle with respect to the axis of the lock rod 10. The engaging parts 32b and 32c are connected to the guide part 32.
The engaging portion 32b is provided for a predetermined length along the circumferential direction from both ends of the a and facing in the same direction.
The end point A is located below the end C point of the other end engaging portion 32c by a predetermined distance L in FIGS. 7 and 11.

The control pin 18 of the locking rod 10 is connected to the guide groove 32 by the spring 22, and the engagement portions 32b, 32 at both ends of the guide groove 32
c, that is, clockwise in FIGS. 6 and 10.

The key 12 allows the locking rod 10 to resist the biasing force of the spring 22 and move the spoke 3a by providing a difference in L dimension between the ends A and C of the guide groove 32.
Push the control pin 18 toward the guide groove 3.
The key cylinder 5 can be removed from the key groove 14 only when it is in the locked state of being engaged with the other end side engaging portion 32c of the key cylinder 5, and cannot be removed at any other time.

The upper opening of the bulging portion 23 is closed by a closing plate 39. Further, the housing 11 is fixed to the front fork 8 using a mounting bracket 40 and screws 41.

The head of the cylinder body 16 is provided with a protrusion 42 that protrudes in the direction in which the bulge 23 expands, and the protrusion 42 is provided on the head side of the housing 11.
A fitting groove 43 is provided in which the fitting groove 4 is fitted.
A protruding wall 44 is provided above the spoke 3a, so that when the locking rod 10 is pushed toward the spoke 3a, the protruding portion 42 fits into the fitting groove 43 as shown in FIGS. 3 and 9. The portion 42 and the protruding wall 44,
A closed space 46 is defined in which a hook 45 of a helmet (not shown) can be hooked and held, and therefore,
When the helmet hook 45 is hooked to the protrusion 42 and locked, the helmet cannot be removed.

(Function) Next, the function of the locking device for a motorcycle of the present invention having the above structure will be explained.

When parking, the lock lever 10 in the state shown in FIG. 8 is rotated counterclockwise in FIGS. 6 and 10 using the key 12 against the biasing force of the spring 22 to release the control pin. 18 from the end point A of the engaging portion 32b on one end side of the guide groove 32 to the guide portion 32a.
After pulling it out to one end, remove the locking rod 1.
0 to the spoke 3a side against the biasing force of the spring 22, and position the control pin 18 at point B of the other end of the guide portion 32a of the guide groove 32, corresponding to the engaging portion 32c on the other end side. Then, the locking rod 10 is rotated clockwise in FIGS. 6 and 10 by the urging force of the spring 22, and the control pin 18 is engaged with the end C point of the other end side engaging portion 32c of the guide groove 32. together,
The locking rod 10 is prevented from moving toward the side opposite to the spokes 3a against the biasing force of the spring 22, and the rod 17 is interposed between the spokes 3a, resulting in a locked state. (The state shown in Fig. 9) On the other hand, the control pin 18 is inserted into the guide groove 3 at the position where the rod rod 10 is pushed into the spoke 3a side.
When the control pin 18 is positioned at point B at the other end of the guide portion 32a of FIG. moves to the right in FIG. 10, the electrical connection between both contacts 27 and 28 of the fixed plate 25 is cut off, and the engine starting circuit is opened.

Once the lock is established in this manner, the key 12 is removed from the key groove 14 of the key cylinder 15.

To release the lock from such a locked state before use, insert the key 12 into the keyway 14 of the key cylinder 15, and use the key 12 to move the locking rod 10 against the biasing force of the spring 22. 6 and 10, the control pin 18 is rotated counterclockwise in FIG. 6 and FIG.
When the control pin 18 is pulled out from the point C of the end of the guide part 32a toward the point B of the other end of the guide part 32a, the control pin 18
is disengaged from the engaging portion 31 of the movable plate 26, and the locking rod 10 moves toward the side opposite to the spoke 3a due to the biasing force of the spring 22, and the control pin 18 moves to the engaging portion on one end side of the guiding portion 32a of the guide groove 32. 32
When the locking rod 10 is in the position corresponding to b, the biasing force of the spring 22 rotates the locking rod 10 clockwise in FIGS. Engage with end point A, and rod 1
7 is held in an unlocked state with no intervening spokes 3a. In this unlocked state, the key 12 cannot be removed.

On the other hand, the locking rod 10 changes from the locked state to the sixth position.
As the movable plate 26 rotates counterclockwise in FIG. 10, the movable plate 26 moves to the left in FIG. It is electrically connected to close the engine starting circuit. The guide groove 32 mentioned above
FIG. 11 shows the relationship between the engagement position of the control pin 18 and the operating states of the switch mechanism 13 and the lock device 9.

In the above embodiment, the guide portion 3 of the guide groove 32
Since the control pin 2a is inclined at a predetermined angle with respect to the axis of the locking rod 10, the control pin 18 is always aligned with the guide portion 32a when the locking rod 10 slides in the axial direction.
Since the lock lever 10 slides into contact with the lock lever 22 and generates sliding resistance, the impact when the lock lever 10 returns due to the biasing force of the spring 22 is alleviated, especially when the lock is released.

Although the above embodiments have been described with a built-in mechanism for holding and holding a helmet, the present invention can also be applied to systems that do not have a mechanism for holding and holding a helmet, and the present invention can also be applied to other structures. Of course, various changes may be made without departing from the gist of the present invention.

(Effects of the invention) As described above, the locking device for a motorcycle of the present invention rotates the locking rod in one direction using a key to engage the control pin of the locking rod in one end of the guide groove of the housing. With the locking rod detached from the joint, the locking rod is pushed toward the tip in the axial direction against the biasing force of the spring, and the tip of the locking rod protrudes outward from the housing to fit between the spokes of the wheel. After intervening, the locking lever is rotated in the other direction to engage the control pin with the engaging portion on the other end side of the guide groove via the guiding portion that connects these two engaging portions, thereby locking the control pin. In the locking device for a motorcycle, the locking device for a motorcycle is configured such that the locking section of the guide groove is held in the position of the locking lever, and is further provided with an engine starting circuit opening/closing switch mechanism that opens and closes in conjunction with the operation of the locking lever. The switch mechanism is tilted at a predetermined angle with respect to the axis of
Since the locking lever is equipped with a mechanism that opens when the locking lever is pushed toward the tip in the axial direction against the biasing force of the spring and rotated in the other direction, contact can be made without applying an impact force to the contact portion of the switch mechanism. In addition to stabilizing the condition and reducing costs, the control pin always slides against the guide part and generates sliding resistance when the lock lever slides in the axial direction, so especially when releasing the lock, The impact when the locking lever returns due to the biasing force of the spring is alleviated, and the durability of the switch mechanism is improved.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a side view of a motorcycle equipped with the locking device of the present invention;
Fig. 2 is a front view of the same, Fig. 3 is a large sectional view taken along the - line in Fig. 2, Fig. 4 is an exploded perspective view of the locking device of the present invention, and Fig. 5 is a side view of the locking device of the present invention. , FIG. 6 is a view taken along the - line of FIG. 5, FIG. 7 is a view taken along the - line of FIG.
9 is a sectional view along the line, FIG. 9 is a sectional view similar to FIG. 8 in the locked state, and FIG. 10 is a sectional view taken along the line XX
FIG. 11, which is a sectional view taken along the line, is an explanatory view showing the relationship between the engagement position of the control pin with respect to the guide groove and the operating state of the switch mechanism and lock device. 1... Motorcycle, 3, 4... Wheel, 3a, 4
a...Spoke, 9...Lock device, 10...Lock rod, 11...Housing, 12...Key, 1
3... Switch mechanism, 18... Control pin, 22... Spring, 32... Guide groove, 32a...
Guide portion, 32b, 32c...engaging portion.

Claims (1)

[Scope of utility model registration request] When locking, use the key to rotate the locking rod in one direction so that the control pin of the locking rod is disengaged from the engaging portion at one end of the guide groove of the housing, and then apply the biasing force of the spring to the locking rod. Pushing the locking rod toward the tip in the axial direction against the resistance, causing the tip of the locking rod to protrude outside the housing and interposing it between the spokes of the wheel, and then rotating the locking rod in the other direction to lock the locking rod. The control pin is configured to be engaged with the engagement portion on the other end of the guide groove via a guide portion that communicates these two engagement portions to maintain the control pin in a locked state, and the control pin is configured to be held in a locked state, and further to be configured to operate in conjunction with the operation of the locking rod. In a locking device for a motorcycle, the locking device is provided with a switch mechanism for opening and closing an engine starting circuit that opens and closes when the locking lever is opened and closed. 1. A locking device for a motorcycle, characterized in that the locking device is equipped with a mechanism that opens when the locking device is rotated in the other direction while the locking device is pushed toward the distal end side in the axial direction against the biasing force of a spring.