JPH10175577A - Bicycle lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bicycle lock to more strictly regulate rotation of a wheel than a single circle lock and besides simplify locking and unlocking operation. SOLUTION: When a single key device 15 is unlocked and a through-shaft 13 is rotated, the cam of the through-shaft 13 drives the lock pieces 11a and 11b of each of lock bodies 91 -94 of which a regulating body consists, and is inserted between the adjoining spokes of a wheel. When the through-shaft is rotated in the locking direction, the cam of the through-shaft drives the regulating body and is moved to the outside through a space between the spokes of the wheel. With this state, by locking the through-shaft by the key device, a bicycle is brought into a locked state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing theft of bicycles and electric bicycles.

[0002]

2. Description of the Related Art Various types of bicycle locks have been proposed to prevent the vehicle from being stolen while the bicycle is parked. A typical example is a circle lock 2 attached to a backhoek 1 of a bicycle frame as shown in FIG.

[0003]

The above-mentioned circle tablet 2
Has a structure in which one arc-shaped restricting body 5 is inserted between the spokes 4 of the wheel 3 to restrict the rotation of the wheel 3 as shown in FIGS. 8 and 9. However, in the case of such a structure, the wheel 3 can be rotated only by a fraudulent act of cutting the one regulating body 5 in the locked state shown in FIG. 9, and it is easy to encounter a theft accident.

It is conceivable to attach a plurality of bicycle locks to one bicycle, but there is a problem that the operation of locking and unlocking is troublesome. It is an object of the present invention to provide a bicycle lock that can restrict the rotation of the wheel 3 more strictly than a single circle lock, and that can be easily locked and unlocked.

[0005]

SUMMARY OF THE INVENTION A bicycle lock according to the present invention is characterized in that a plurality of regulating bodies are provided which are driven in conjunction with a locked position and an unlocked position.

According to the present invention, it is possible to obtain a bicycle lock in which the rotation of the wheels can be more strictly controlled than a single circle lock, and in which the locking and unlocking operations are simple.

[0007]

2. A bicycle lock according to claim 1, wherein said bicycle lock is mounted on a side of a bicycle frame and has a plurality of restrictors inserted between spokes of said wheels to restrict rotation of said wheels. , And each of the regulating bodies is configured to be driven to a locked position and an unlocked position in conjunction with each other.

According to a second aspect of the present invention, there is provided a bicycle lock provided with a lock body attached to a bicycle frame, wherein the lock is inserted between the spokes of the wheel to restrict the rotation of the wheel, and the locking position does not engage with the spoke of the wheel. A plurality of restrictors rotatably supported by the lock body are provided at the lock position, and the plurality of restrictors are rotatably supported by the lock body and penetrate through the cam holes formed in the plurality of restrictors, and are provided with a peripheral portion. A penetrating shaft is provided on the surface, on which a cam is formed to abut the cam hole to swing the regulating body between the locking position and the unlocking position, and lock the penetrating shaft so as not to rotate with respect to the lock body. A key device is provided.

According to this configuration, when the single key device is unlocked and the penetrating shaft is rotated, the cam of the penetrating shaft drives each of the regulating members and is inserted between the spokes of the wheel. When the penetrating shaft is rotated in the locking direction, the cam of the penetrating shaft drives each of the restrictors to move outward from between the spokes of the wheel, and in this state, the penetrating shaft is locked by the key device to be in the locked state. Become.

According to a third aspect of the present invention, there is provided a bicycle lock according to the first or second aspect, wherein each of the regulating bodies is formed in an arc shape whose tip is inserted between the spokes of the wheel from the left and right positions of the bicycle. Features.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
Explanation will be given based on FIG. (Embodiment 1) FIGS. 1 to 4 show (Embodiment 1).

As shown in FIG. 1, the bicycle lock 6 of the present invention comprises:
As shown in FIGS. 2 and 3, a plurality of regulating bodies 7 attached to the backhawk 1 of the bicycle frame and inserted between the spokes 4 of the wheel 3 to regulate the rotation of the wheel 3 are provided. .

A plurality of restricting bodies 7 are provided on a lock body 8 attached to the bicycle frame by four sets of lock bodies 9 ₁ , 9 ₂ , 9.
9 _3, 9 ₄ a shaft 10a, and is configured by pivotally supported by 10b.

[0014] the locking member 9 _to 93 ₄ of each set, the shaft 10 arc-shaped locking piece 11a, and 11b of the 4
a and 10b, and the locked state shown in FIG.
(B) is pivotally supported in an unlocked state.

[0015] The lock piece 11 of each pair of the locking member 9 ₁ to 9 ₄
The cam holes 12a and 12b are provided at the upper ends of a and 11b, respectively.
The lock body 8 is provided with a lock body 9 _1-
9 ₄ of the cam hole 12a, through shaft 1 so as to penetrate the 12b
3 is rotatably supported.

The circumferential surface of the through shaft 13 is provided with the cam hole 12.
A cam 14 is formed which abuts on the lock pieces 11a and 11b and swings between the locked state shown in FIG. 4A and the unlocked state shown in FIG. 4B.

Between one end of the penetrating shaft 13 and the lock body 8,
A cylinder lock 15 is provided as a key device for restricting rotation of the through shaft 13. With this configuration,
Lock body 9 _{1 to} 9 ₄ of each set of bicycle lock 6 in service state
In the lock pieces 11a and 11b, a gap G is formed between the lower ends of the lock pieces 11a and 11b as shown in FIG. 4B, and the spokes 4 can pass through the gap G. .

Parked and removed the key of cylinder lock 15
In the state, each set of lock bodies 9₁ ~ 9 _Four Lock piece 11
a and 11b are lock pieces 11 as shown in FIG.
a, 11b are overlapped with each other at the lower end to eliminate the gap G.
As a result, the wheels 3 cannot rotate.

[0019] In the locked state in this way, in a position where each set of the locking member 9 _to 93 ₄ is engaged with the spoke 4, the wheel 3 to be carried abuse for cutting at least four locking piece Cannot rotate.

Further, each of such sets of lock bodies 9 _{1 to} 9
₄ shifts to unlock state shown in FIG. 4 simultaneously locked state shown in FIG. 4 (a) by operating the only rotating the through shaft 13 to release a single cylinder lock 15 (b) Therefore, locking and unlocking operations are simple.

(Embodiment 2) FIGS. 5B and 5C show (Embodiment 2). In (Embodiment 1), the plurality of regulating bodies 7 are each constituted by a plurality of sets of lock bodies (four sets in the embodiment shown in FIG. 2), and each set of lock bodies is constituted by two lock pieces 11a and 11b. However, the same effect can be expected even if the plurality of regulating bodies 7 are not a plurality of sets of lock bodies but a combination of a single lock body. Specifically, FIG.
(A) is the case of (Embodiment 1), but as shown in (b) and (c) of FIG. 5, (Embodiment 1)
The same effect can be expected even if one of the lock pieces 11a and 11b of each set is not provided and the rotation is restricted by engaging with the spoke 4 in the locked state.

In each of the above-described embodiments, the case where the lock body 8 is attached to the backhoek 1 of the bicycle frame has been described as an example. However, as shown in FIG. It can be implemented in the same manner when attached.

[0023]

As described above, according to the bicycle lock of the present invention, there are provided a plurality of the restrictors mounted on the side of the bicycle frame and inserted between the spokes of the wheels to restrict the rotation of the wheels. In the locked state and the unlocked position, the wheels cannot rotate unless the illegal operation of cutting the locking pieces of the multiple restrictors is performed in the locked state, so the bicycle cannot be stolen. Can be strictly protected. Furthermore, since the regulating bodies are driven to the locking position and the unlocking position in conjunction with each other, the locking and unlocking operations are simple even though a plurality of regulating bodies are provided.

[0024] Preferably, a lock body attached to the side of the bicycle frame is provided, and the lock body is inserted between the spokes of the wheel to rotate between a locked position for restricting rotation of the wheel and an unlocked position not engaged with the spoke of the wheel. A plurality of regulators pivotally supported by the lock body are provided, penetrate cam holes drilled in the plurality of regulators pivotally supported by the lock body, and the cam holes are formed on the peripheral surface. By providing a penetrating shaft formed with a cam that abuts and swings the regulating body between the locking position and the unlocking position, and by providing a key device that locks the penetrating shaft so as not to rotate with respect to the lock body. ,realizable.

More specifically, by forming each regulating body into an arc shape whose tip is inserted between the spokes of the wheels from the left and right positions of the bicycle, the bicycle can be more strictly protected from theft.

[Brief description of the drawings]

FIG. 1 is a front view of a bicycle with a bicycle lock according to a first embodiment.

FIG. 2 is a perspective view of the bicycle lock according to the embodiment;

FIG. 3 is a perspective view showing a coupling mechanism of the embodiment.

FIG. 4 is a sectional view of the locked state and the unlocked state of the embodiment.

FIG. 5 is a plan view of the bicycle lock according to the first embodiment and the second embodiment.

FIG. 6 is a front view of the bicycle showing another attachment state.

FIG. 7 is a front view of a bicycle to which a conventional bicycle lock is attached.

FIG. 8 is a perspective view of a conventional bicycle lock in an unlocked state.

FIG. 9 is a perspective view of a conventional bicycle lock in a locked state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Backhoek [bicycle frame side] 3 Wheel 4 Spoke 6 Bicycle lock 7 Restrictor 8 Lock body 9 _{1 to} 9 ₄ Lock body 10a, 10b Shaft 11a, 11b Lock piece 12a, 12b Cam hole 13 Penetrating shaft 14 Cam 15 Cylinder lock [Key device] 16 Rear carrier [Bicycle frame side]

Claims (3)

[Claims] 1. A bicycle lock mounted on a side of a bicycle frame and inserted between spokes of a wheel to restrict rotation of a wheel, wherein a plurality of the restrictors are provided, and the restrictors are interlocked and locked. A bicycle lock configured to be driven between a position and an unlocked position. 2. A lock body attached to a side of a bicycle frame, wherein the lock body is inserted between spokes of a wheel and is rotatable between a locked position for restricting rotation of the wheel and an unlocked position not engaged with the spokes of the wheel. The lock body is provided with a plurality of regulating bodies pivotally supported by the lock body, and penetrates through the cam holes drilled in the plurality of regulating bodies pivotally supported by the lock body, and has a peripheral surface which contacts the cam holes. A bicycle lock provided with a penetrating shaft formed with a cam for swinging the regulating body between a locking position and an unlocking position in contact therewith, and a key device for locking the penetrating shaft so as not to rotate with respect to the lock body. . 3. The bicycle lock according to claim 1, wherein each of the regulating bodies is formed in an arc shape whose tip is inserted between spokes of the wheel from the left and right positions of the bicycle.