JP2004162376A - Bicycle lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the cost by easily manufacturing and mounting two bicycle locks separately mounted in different positions and simultaneously being locked and unlocked. <P>SOLUTION: In the bicycle locks, a proximal end part (a) of a release wire 1 is connected to a bolt bar A' of one lock A out of two locks mounted into the different mounting positions of a vehicle body, to allow the release wire to follow the locking operation of the bolt bar of the lock, while the other end part b of the release wire is led into the other lock B and connected to one end of a transmission means 14 installed in the lock. An operating part 15 provided at the transmission means is connected to a bolt bar B' provided in the lock to interlock the locking operation of the bolt bar B' of the other lock B with the locking operation of one lock A through the release wire 1, the transmission means 14 and the operating part 14'. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle lock in which two locks mounted on a bicycle at different mounting positions are linked to each other. The locking operation of the bar rod is interlocked.
[0002]
[Prior art]
2. Description of the Related Art There is a conventional bicycle lock in which a locking operation and an unlocking operation of a lock for a front wheel and a lock for a rear wheel are interlocked with each other (for example, Patent Document 1). The bicycle lock of the prior application uses a circle lock without a locking mechanism for each of the front wheel and the rear wheel, and connects a flexible rod as a release wire to the bar rods of the two front and rear locks, and the middle of the flexible rod. A lock mechanism for locking and unlocking both locks at the same time is provided, and a lock case incorporating this lock mechanism is attached to a seat pipe of a bicycle.
[0003]
[Patent Document 1]
JP-A-11-59524 (page 1, FIG. 1)
[0004]
[Problems to be solved by the invention]
The bicycle lock of the prior application is convenient and excellent in use because the two locks at the front and rear can be operated simultaneously by operating a locking mechanism built into a lock case attached to the center of the vehicle body called a seat pipe. However, unlike ordinary locks, it is necessary to specially manufacture locks that do not have a locking mechanism, and specially manufacture a lock case with a lock mechanism that performs locking operation on both locks, and Since it must be attached to a seat pipe, the production, assembly, and attachment of the parts require time and effort, resulting in high costs.
In view of the above, the problem to be solved by the present invention is to make it easy to manufacture and install two bicycle locks that are mounted at different positions and simultaneously perform locking and unlocking operations, thereby enabling cost reduction. Is to do so.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention connects a base end of a release wire to a bar rod of one of two locks attached to a vehicle body at different mounting positions, While the release wire is made to follow the locking operation of the bar rod of the lock, the other end of the release wire introduced into the other lock is connected to one end of transmission means installed in the lock, and the transmission means Is connected to a bar provided in the lock, and the locking operation of the one lock is performed through the release wire, the transmission means, and the transmission portion to lock the bar of the other lock. An object of the present invention is to provide a bicycle lock characterized in that operations are linked.
[0006]
The bicycle lock according to the present invention configured as described above uses a lock having substantially the same structure as a normal lock provided with a locking mechanism, so that it is easy to manufacture. In the lock used in the present invention, it is necessary to provide an introduction portion for inserting a release wire, and it is necessary to provide a transmission means and its transmission portion inside the other lock, but the labor and cost of the modification are small, It can be manufactured at low cost. Further, according to the present invention, since a lock case provided in the middle of the release wire is not required, the cost of manufacturing and assembling the entire lock can be reduced. In addition, attachment to the vehicle body becomes easy. As described above, the present invention has solved the above-mentioned problems.
[0007]
Using a circle lock with an arc-shaped bar on one of the locks, connecting the base end of the release wire introduced from the introduction portion provided on the circle lock to the arc-shaped bar, Is attached to the rear fork and used to lock the rear wheel of the bicycle, using a box lock with a straight bar rod on the other lock, and using the release wire introduced from the introduction portion provided in this box lock. The other end is connected to one end of a pulley member provided as transmission means in the box lock, a pin is provided at the other end of the pulley member as a transmission portion, and this pin is integrally provided with the linear bar rod. In order to lock the front wheel of the bicycle by attaching this box lock to the front fork, the locking operation of the arc-shaped bar rod provided in the circle lock is provided. Interlocking with the pulley member, pin and groove cam According to 閂杆 of the box in the tablet to configure the invention according to claim 2 so as to lock operation, mounting can easily be provided an excellent bicycle lock reliability of the locking.
[0008]
As a safety mechanism to prevent the arc-shaped bar provided in the circle lock from unnecessarily locking the bar, a notch that protrudes outward is provided at the unlock position of the arc groove that guides the bar. The locking operation knob of the rod is provided with a hollow chamber that opens to the outside on the head, a push button is fitted together with a spring in the hollow chamber, and the push button is constantly urged to the spring, and the lower part of the push button is According to the third aspect of the present invention, the stopper is hooked on the notch so that the locking operation knob is always locked, and the locking operation does not take place unless the push button is consciously pressed. Further, the safety mechanism S can release the stopper for removing the lower part of the push button from the notch by pressing the push button with the thumb, and the locking operation of depressing the locking knob, for example, almost continuously. At the same time, the lower part of the push button urged by the spring automatically engages with the notch and the stopper is engaged.
[0009]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
The embodiment shown in the drawings locks the rear wheel using a circle lock A on one lock and locks the front wheel using a box lock B on the other lock. The locking and unlocking operation of the bar A 'is linked to the locking and unlocking of the straight bar B' provided in the box lock B via a release wire.
[0010]
FIG. 1 is a perspective view showing an attached state and a locked state of a circle lock A used for a rear wheel. FIG. 2 is a perspective view showing an attached state and a locked state of a box lock B used for a front wheel. (A), (b) is an elevational view showing the internal structure of the circle lock A from the back side by removing a plate-shaped base member from the lock body, and (a), (b) of FIG. 5 is an elevational view showing the internal structure of the box lock B with the cover member removed, FIG. 5 is an explanatory view of the safety mechanism S, and FIG. 6 is a sectional view of the safety mechanism S.
[0011]
In the drawings showing the embodiment, reference numeral 1 denotes a release wire connecting a circle lock A and a box lock B.
As shown in FIG. 3, the release wire 1 has a fixed end 1 ′ at an introduction portion 2 fixed to a circle lock A with a mounting screw 2 ′, and a base end a of the wire 1 pulled out from the fixed end 1 ′. Is fixed to a sliding plate 3 slidably guided by the introduction portion 2, and at one end of a locking and unlocking process of the bar A ', a fitting groove 4 provided in the sliding plate 3 and a bar A' are provided. The base end portion a is reciprocated by following the sliding operation of the bar A 'only in the engagement section with the engagement pin 5 provided in the middle of the above.
[0012]
As shown in FIG. 1, the circle lock A is attached to the rear fork H1, and when the locking operation knob 6 provided on the side of the body is pushed down from the unlocked position, the bar A 'is formed in the body. 3 (a) is slid clockwise against the restoring spring 7, and the engaging pin 5 is inserted into the end 4 'of the fitting groove 4 on the sliding plate 3 side in the middle of the sliding stroke. The sliding plate 3 is brought into contact with the sliding plate 3 until the bar A 'reaches the end of the locking process from the contact position, that is, until the bar A' closes the facing opening 8 at the lower part of the circle lock A. At the same time, the proximal end a of the wire 1 is pulled.
Note that the locking state of the circle lock A is, as in the case of a normal circle lock, that the stopper 10 of the locking mechanism 9 provided at one corner of the body is automatically pushed by the urging spring 11 so that the notch on the bar A 'side is automatically cut out. It is held by fitting into the part 12 (see FIG. 3B).
[0013]
The locking operation of the bar A 'of the circle lock A is transmitted through the release wire 1 to the box lock B attached to the front fork H2 as shown in FIG.
As shown in FIG. 2, the box lock B has the release wire 1 introduced into the body from an introduction portion 13 provided on the rear upper surface.
As shown in FIG. 4, the box lock B has a pulley 14 rotatably mounted horizontally as a transmission means in a body thereof, and the other end of the wire pulled out from the release wire 1 having the fixed end 1 ′ at the introduction portion 13. b is pinned to one end of the pulley 14, and a pin 15 is provided as a transmission portion on a side surface of the pulley 14 which is substantially opposite the pinning position and has a diameter. It is fitted into a groove cam 16 provided integrally with the rear part (left end in the figure). The bar A 'of the circle lock A and the bar B' of the box lock B are connected to each other by the release wire 1 as described above.
[0014]
A coil-shaped compression spring 17 is provided between the pinning position of the other end b of the release wire 1 and the introduction portion 13, and the groove cam 16 of the bar B 'and the bar B' enter and exit. A coil spring 19 for restoring, which constantly urges the bar B ′ in the unlocking direction, is stretched between the opening 18 on the right side in the drawing of the container body.
[0015]
When the base end portion a of the release wire 1 is pulled by the locking operation on the circle lock A side as described above, the pulley 14 rotates clockwise in the box lock B against the compression spring 17. With the rotation of the pulley 14, the pin 15 and the groove cam 16 project the linear bar B 'from the opening 18 against the coil spring 19 for restoration to lock the front wheel of the bicycle as shown in FIG. The locked state of the box lock B is held by the stopper 10 of the locking mechanism 9 on the side of the circle lock A that fits into the notch 12 of the bar A 'as described above.
[0016]
The two locks A and B in the locked state as described above are unlocked by operating a predetermined key (not shown) inserted into the locking mechanism 9 of the circle lock A.
When the key inserted into the locking mechanism 9 is rotated in a predetermined direction, the stopper 10 moves backward. When the stopper 10 comes off from the cutout 12 in the circle lock A, the bar A 'is returned to the unlocked position shown in FIG.
[0017]
At this time, in the locked state, the sliding plate 3 in which the end 4 ′ of the fitting groove 4 is in contact with the engaging pin 5 on the side of the bar A ′, the plate 3 and the distal end 2 ′ of the introduction portion 2. With the bias of the return spring 20 stretched between these positions, the bar follows the bar A ', moves to the middle of the unlocking stroke, and returns. In addition, along with the repositioning operation of the sliding plate 3, the wire 1 fixing the base end portion a to the sliding plate 3 also moves in a direction opposite to the locking operation.
[0018]
With the movement of the wire 1, the other end b of the release wire 1 is pulled in the lock box B with the bias of the compression spring 17, and the pulley 14 and the pin 15 return to the state shown in FIG. The bar B 'is returned to the unlocked position by the retraction and the restoring force of the coil spring 19 compressed in the locked state.
In FIG. 4, reference numeral 21 denotes a stopper of a bar B 'integrally formed on the inner surface of the box B.
[0019]
Further, in this embodiment, a safety mechanism S is provided to prevent the locking rod A 'of the circle lock A from locking unnecessarily.
As shown in FIG. 1, the safety mechanism S has one end of an arc-shaped groove 22 provided on the upper surface of the body so as to guide the locking operation knob 6 of the bar A ', and a notch 23 projecting outward to the unlocking position. Is provided at the head of the operation knob 6 with a hollow chamber 24 opening to the outer surface. A push button 26 is fitted in the hollow chamber 24 together with a spring 25, and is urged by the spring 25. Is provided with a stopper adapted to engage the lower portion 26 'of the notch 23 with the notch 23. At the time of locking, an almost one-touch operation of pressing down the operation knob 6 while pressing the push button 26 to remove the lower portion 26 'from the notch 23 can be performed.
In FIGS. 5 and 6, reference numeral 27 denotes a check claw for preventing the push button 26 from falling off, and reference numeral 28 denotes a square hole provided at the bottom of the hollow chamber 24 for engaging the check claw 27.
[0020]
As described above, the two locks A and B link the locking operation and the unlocking operation via the release wire 1.
In this embodiment, a circle lock for the rear wheel is provided as two locks provided at different positions, and a box lock is used for the front wheel. However, in practicing the present invention, according to the gist of the present invention, Needless to say, the model of the lock to be employed can be appropriately selected within a range of design change.
Whether one of the two locks A and B is driven and the other is driven can be appropriately changed according to the convenience of use. Further, the mounting positions of the two locks A and B are not limited to the embodiment.
[0021]
【The invention's effect】
The bicycle lock according to the present invention configured as described above and used as described above requires only a simple modification for attaching a release wire to each of the two locks to be used. It is extremely useful because it does not increase the cost, is easy to attach to a bicycle, and is simple in operation because the other lock is linked to the locking operation of one of the locks, which is the main drive.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an attached state of a circle lock. FIG. 2 is a perspective view showing an attached state of a box lock. FIG. 3 (a) is an internal structure of a circle lock. FIG. 4 (a) is a partially cutaway front view showing the internal structure of the box lock, and FIG. 4 (b) is a partially cutaway front view showing the internal structure of the box lock. FIG. 5 is an enlarged explanatory view of a safety mechanism attached to a circle lock,
FIG. 6 is an enlarged sectional view of a safety mechanism attached to the circle lock.
[Explanation of symbols]
A circle lock (A 'bar rod)
B box lock (B 'bar rod)
H1 after Hawk (H2 before Hawk)
1 Release wire (a base end, b other end, 1 ', 1 "fixed part)
2 introduction part (2 'mounting screw)
3 Sliding plate 4 Fitting groove (4 'end)
5 Engagement pin 6 Operation knob 7 Restoring spring 8 Opening 9 Locking mechanism 10 Stopper 11 Spring 12 Notch 13 Introducing section 14 Pulley (transmission means)
15 pin (transmission part)
16 Groove cam 17 Compression spring 18 Opening 19 Coil spring 20 Return spring 21 Stopper S Safety mechanism 22 Circular groove 23 Notch 24 Hollow chamber (24 'square hole)
25 Spring 26 Push button (26 'lower part)
27 Non-return claw for retaining 28 Square hole

Claims (3)

The base end of the release wire is connected to the bar of one of the two locks that are attached to the vehicle body at different mounting positions, and the release wire is used to lock the bar of this lock. On the other hand, the other end of the release wire introduced into the other lock is connected to one end of a transmission means installed in the lock, and a transmission unit provided in the transmission means is provided in the lock. And the locking operation of the one lock is linked to the locking operation of the bar lock of the other lock via the release wire, the transmission means and its transmission portion. Bicycle lock. A circle lock having an arc-shaped bar is used for the one lock, and a base end of the release wire introduced from an introduction portion provided on the body of the circle lock is connected to the arc-shaped bar. The circle lock is attached to the rear fork and provided so as to lock the rear wheel of the bicycle. On the other hand, a box lock provided with a linear bar rod on the other lock is used, and an introduction portion provided on the box lock is provided. The other end of the release wire introduced from above is connected to one end of a pulley member provided as the transmission means in the box lock, and a pin is provided at the other end of the pulley member as the transmission section. The linear lock was fitted into a grooved cam provided integrally with the rod, and this box lock was attached to the front fork to prepare for locking the front wheel of the bicycle, and the release wire was provided in the circle lock. In conjunction with the locking operation of the arc-shaped bar, Serial sheave member and the pin and the bicycle lock according to claim 1, wherein through the groove cam, characterized by being configured so as to lock operated 閂杆 in the box lock. The circle lock is provided with a cutout portion that protrudes outward at an unlocking position of the arc groove that guides the bar rod, as a safety mechanism that prevents the arc-shaped bar rod from unnecessarily locking. The locking knob is provided with a hollow chamber that opens to the outside on the head, a push button is fitted together with a spring in this hollow chamber, and the push button is constantly urged to the spring. The bicycle lock according to claim 2, further comprising a stopper adapted to be hooked on the bicycle.

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