JP2012001955A - Ring lock device for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ring lock device for a bicycle which can unlock a ring lock manually locked using a noncontact radio tag without a key.SOLUTION: A passive type noncontact radio tag 29 which has an antenna and an IC chip is come near to a reader 30 which is installed on an unlocking portion to transmit an output signal from the reader 30. Then, a pull solenoid 24 is turned on to draw a pull rod 25 to a base end side while a locking rod engaging stopper 10 fastened to a head of the pull rod 25 is pulled to the base end side against a pushing spring 23 continuously energizing to a locking direction, and a press-fit locking state for an engage stopper 11 of the locking rod 3 is released by the head of the locking rod engaging stopper 10, at the same time, the locking rod 3 is drawn into a casing to return for unlocking with restoration force of a torsion spring 4 for restoration.

Description

The present invention relates to an antitheft ring lock device that is attached to a bicycle, and is capable of unlocking a manually locked ring lock using a non-contact wireless tag without using a key. It is related with the ring lock apparatus.

Conventionally, as a bicycle lock to be locked to a bicycle wheel, a semi-annular lock rod is attached to a distal end of a restoring spring provided by fixing a base end in a horseshoe-shaped casing. A base end portion is connected, and the lock rod is pulled out from one side of the casing against the pulling spring, and a distal end portion of the lock rod is inserted into the other side of the casing, and a stopper is inserted into the lock rod. The lock hole is press-fitted and locked to prevent the lock rod from being returned to the casing by the pulling spring, so that the lock rod is fixed, and as a whole surrounds the bicycle wheel. Ring locks are usually used. And in order to unlock the locked ring lock, it is unlocked using a key.

On the other hand, even if a key is not used, even if a past patent document is retrospectively searched for a ring lock that can be unlocked using a contactless wireless tag, there is no prior patent document. . However, a ring lock that includes a plurality of push buttons and can be unlocked without using a key by a predetermined push button operation is disclosed in Patent Document 1 below and is known.

Japanese Utility Model Publication No. 5-12568

However, in the ring locks generally used in the prior art, the position to insert the key is around the waist from the knee, and it is necessary to bend when unlocking the ring lock, or it is dense with other bicycles In some cases, it is impossible to unlock because it is out of reach, and it takes time to unlock, and it is necessary to take out the key from the pocket one by one.

Furthermore, the one described in Patent Document 1 can be unlocked without using a key, but the position of the push button is from the knee to the waist, and it is necessary to bend when unlocking the ring lock, There was a problem that unlocking was impossible because it was out of reach, such as when it was crowded with other bicycles, and it took time to unlock.

The present invention has been made to solve the above-mentioned problems, and it is a so-called JR of a passive type having an antenna and an IC chip without using an unlocking key when locking a ring lock. The non-contact wireless tag such as the product name “Suica” used by Tokyo Metropolitan and the product name “PASMO” used by Tokyo Metro, etc. is output from the reader by bringing it closer to the reader installed in the unlocking part. When a signal is transmitted and the pull solenoid is turned on to pull the pull rod, the lock latch locking stopper fixed to the distal end of the pull rod is also pulled toward the base end, and the lock latch locking stopper At the same time, the press-fitting and locking state of the locking rod into the locking hole by the tip of the locking rod is released, and at the same time, the locking rod is pulled back into the casing by the restoring force of the restoring spring, and unlocked. be able to There is provided a ring lock device in the rolling vehicle.

The present invention transmits an output signal from a reader by bringing a passive non-contact wireless tag including an antenna and an IC chip close to a reader installed in an unlocking portion when the ring lock is locked. The pull solenoid is turned on to pull the pull rod toward the base end side, and the stopper for locking the lock that is fixed to the tip of the pull rod is opposed to the push spring that is always urged in the locking direction. The lock rod is pulled by the proximal end side to release the press-fitting and locking state of the lock rod locking stopper into the locking hole by the distal end portion of the lock rod locking stopper, and at the same time, the locking rod is restored by the restoring force of the restoring spring. The above-mentioned problem has been solved by adopting a means in which is pulled back into the casing to return and unlock.

According to the ring lock device of the bicycle of the present invention, it is possible to unlock using a key for unlocking as in the prior art, but it is possible to open a portable non-contact type wireless tag without using a key for unlocking. The ring lock can be unlocked easily and easily without taking out the unlocking key from the pocket etc. by simply bringing it close to the reader installed in the lock part. The locking of the wheel is released instantly from a remote place, and it is not necessary to bend over the body, and it is possible to release the locking of the ring lock reliably and quickly even if it is crowded with other bicycles and not reachable.

It is a top view which shows a state at the time of locking of the ring lock apparatus in the bicycle of the present invention with a part cut away. It is a top view which shows the state at the time of unlocking of the ring lock apparatus in a bicycle of the present invention with a part cut away. It is a perspective view which shows the state which attached the ring lock apparatus in the bicycle of this invention to the bicycle. It is a vertical front view of the principal part at the time of unlocking of the ring lock apparatus in this invention bicycle. It is a vertical front view of the principal part at the time of locking of the ring lock apparatus in this invention bicycle. It is an operation | movement flow of the ring lock apparatus in this invention bicycle.

The ring lock device of the present invention has, as a basic structure, a locking spring that constantly urges the locking lever locking stopper in the locking side direction (forward direction) at the unlocking portion, and a key is inserted. By rotating the cylinder lock, the tip of the lock latch locking stopper that is press-fitted into the lock lock portion by the pressing force of the push spring is released from the lock portion and engaged. At the same time that the locked state is released, the lock rod is pulled back into the casing by a restoring pull spring and returned to be unlocked.

The ring lock employed in the present invention is made of metal and has a horseshoe-shaped casing 2 provided with a hollow passage 1 therein, and a sliding half of the inside of the passage 1 on the left side of the casing 2. An annular lock rod 3 and a passage 1 on the right side of the casing 2 are connected to the base end portion of the lock rod 3, and the lock rod 3 is always urged in the unlocking direction (right side of the casing 2). A restoring spring 4 for restoration is provided.

The restoring spring 4 is disposed at the right position in the passage 1 of the casing 2, and the base end of the tension spring 4 is connected and fixed to a projection 5 projecting from the casing 2. The distal end portion of the tension spring 4 is formed by being connected and fixed to the connecting portion 6 at the base end portion of the lock rod 3.

Further, a long hole 7 is drilled on the upper surface on the left side of the casing 2, and a knob 8 protruding from the upper surface in the vicinity of the center of the lock rod 3 is disposed so as to protrude from the upper surface of the long hole 7. 8 is moved downward along the long hole 7 so that the lock rod 3 slides in the passage 1 on the left side of the casing 2, and the leading end of the lock rod 3 is positioned on the casing 2. It protrudes from the left-side opening 2a and is inserted into the right-side opening 2b. At this time, the distal end of the lock-locking stopper 10 of the unlocking portion 9 is provided on the lock rod 3, for example, for locking The lock rod 3 is fixed by being press-fitted and locked in a locking portion 11 such as a hole or a recessed portion, and is locked so as to surround the bicycle wheel W in an annular shape as a whole. At this time, the key 12 can be detached from the unlocking portion 9 and removed from the insertion hole 13.

The unlocking part 9 is press-fitted into the cylinder lock 14, the cylinder lock storage part 15 in which the cylinder lock 14 is rotatably accommodated, and the locking part 11 of the lock 3, or the lock 3 It is formed with a stopper 10 for locking the lock to release the press-fitting lock. The cylinder lock 14 includes an operation protrusion 16 on the lower surface and a key insertion hole 13 for inserting the key 12 on the upper surface, and the rotation of the key 12 inserted into the key insertion hole 13 causes the The projecting piece 16 for operation can be rotated together with the cylinder lock 14.

As shown in FIGS. 4 and 5, the lock hook locking stopper 10 is provided with a base end side wall plate 17 and a front end side wall plate 18 at the base end portion and the front end portion thereof, and further includes a hollow portion 19 inside. A long hole 20 is formed in the upper surface side of the lock lock locking stopper 10 to fit the operation protrusion 16 of the cylinder lock 14, and the lock lock locking stopper is further formed. 10 can be press-fitted and locked to the locking portion 11 of the lock rod 3, and the operation lock piece 16 of the cylinder lock 14 is inserted into the long hole 20, and the lock lock is locked. The stopper 10 is formed to be movable in the left-right direction.

Further, the lock hook locking stopper 10 includes an inner wall 22 of an installation chamber 21 in which the lock lock locking stopper 10 is provided, and the lock lock locking stopper provided in the lower part of the cylinder lock housing 15. 10 is always urged in the locking direction (the direction of the lock 3 on the front side) by a pressing spring 23 fixed between the base end side wall plates 17. In the unlocked state shown in FIG. 23 is degenerated, the distal end portion of the stopper 10 for locking the lock rod comes into contact with the outer peripheral surface of the lock rod 3, and the unlocked state is maintained. At the time of unlocking, the operation projecting piece 16 is in contact with the tip edge portion 20 b of the long hole 20.

Then, as shown in FIG. 5, as the lock rod 3 slides toward the left opening 2a side in the left passage 1 of the casing 2, the locking portion 11 of the lock rod 3 and the lock rod 3 When the leading end of the locking stopper 10 is matched, the locking lever locking stopper 10 is pressed in the direction of the locking rod 3 by the push spring 23, and the leading end of the locking rod locking stopper 10 is By press-fitting and engaging with the engaging portion 11, the lock rod 3 is stopped against the restoring spring 4 and the locked state is thereby maintained.

At the time of locking, as shown in FIG. 5, the operation projecting piece 16 is in contact with the base end edge portion 20a of the elongated hole 20, but when unlocked, the key of the unlocking portion 9 is locked. When the key 12 indicated by an imaginary line is inserted into the insertion hole 13 and the key 12 is rotated, the operation projecting piece 16 comes into contact with the base end edge 20a of the elongated hole 20 in the base end direction direction ( When the locking lever 10 is pressed in the unlocking direction), the stopper 10 for locking the lock is moved in the proximal direction against the pressing spring 23, and the distal end of the stopper 10 for locking the lock is engaged. It is configured so that it can be released from the stop 11 and the lock rod 3 is pulled back by the restoring pull spring 4 and returned into the casing 2 to be unlocked.

As described above, the present invention can be unlocked even when the key 12 is used, but can also be unlocked using a non-contact wireless tag without using the key 12. In other words, the lock lock stopper 10 in the ring lock having the above-described structure is pulled so that it can be unlocked by moving it to the proximal side against the push spring 23 without using the key 12. The pull rod 25 of the solenoid 24 passes through the inner wall 22 of the installation chamber 21 of the cylinder lock storage portion 15, passes through the push spring 23, and further to the proximal side wall plate 17 of the lock rod locking stopper 10. The tip of the pull rod 25 is connected and fixed.

And the pull solenoid 24 provided with the said pull rod 25 is integrally installed in the base end side of the unlocking part 9 of the said casing 2. As shown in FIG. The pull solenoid 24 may be of a type that is generally used, and the power supply to the pull solenoid 24 is a small button battery (lithium ion battery) (not shown) currently commercially available. Use as a power source. The button battery is housed in a battery box 26 provided alongside the pull solenoid 24.

That is, when power is supplied from the button battery and the coil 27 is energized, a magnetic force is generated in the fixed iron core 28 and the pull rod 25 is attracted to the fixed iron core 28. Then, when the pull rod 25 is sucked toward the fixed iron core 28, the pull rod 25 moves toward the base end side, and the lock latch locking stopper 10 is moved toward the base end portion against the push spring 23. By moving the lock rod 3 to the side, the state of press-fitting and locking the lock rod 3 to the lock portion 11 by the tip of the lock rod locking stopper 10 is released, and at the same time, the lock rod 3 is pulled into the casing 2 by the pull spring 4. It is constituted so that it can be pulled back and unlocked.

Further, a reader 30 that transmits a signal instructing power supply for activating the pull solenoid 24 from the button battery by bringing the non-contact type wireless tag 29 possessed by the bicycle owner close to the pull solenoid 24. Is installed. When the apparatus of the present invention is installed, the unique ID number of the contactless wireless tag 29 needs to be registered in advance in the reader 30. If the ID number is not registered, the reader 30 operates. do not do.

A vibration sensor 31 is connected to the reader 30. When the bicycle owner gives vibration by touching the bicycle to unlock it, the vibration sensor 31 senses the vibration and gives a command signal. The reader 30 is controlled to enter the standby mode. The reader 30 and the vibration sensor 31 are powered by the button battery.

Next, the effect | action of this invention is demonstrated based on the operation | movement flow of FIG. In the device of the present invention, the knob 8 is pressed and moved downward along the long hole 7 so that the tip of the lock 3 is inserted into the right opening 2b of the casing 2, and the stopper for locking the lock 10 is locked by being press-fitted into the locking portion 11 of the lock rod 3, and the key 12 can be removed in the same manner as other bicycle locks. The leader 30 is in a standby state in the sleep mode. In this state, there is no power supply from the button battery to the reader 30.

In the state of STEP1, if the bicycle owner contacts the bicycle to unlock the ring lock, the vibration sensor 32 senses vibration (YES) (STEP2), and if it is currently locked (YES) (STEP3) When the vibration sensor 32 senses vibration, a command signal is issued from the vibration sensor 32, power is supplied from the button battery to the reader 31, and the reader 31 is activated to enter a standby state (STEP 4).

In the state of STEP 4, the bicycle owner brings the non-contact wireless tag 29 close to the reader 30 (STEP 5), and the reader 30 receives the registered unique ID number of the non-contact wireless tag 29. When the coincidence is recognized (STEP 6), the reader 30 issues a signal for commanding the energization from the button battery to the pull solenoid 24, the power is supplied to the pull solenoid 24, and the pull rod 25 is fixed to the fixed iron core. 28, the pull rod 25 is moved to the base end side, and the lock latch locking stopper 10 is moved to the base end side against the push spring 23, whereby the lock mechanism is engaged. While the press-fitting engagement state of the distal end portion of the stopper 10 to the engagement portion 11 is released, the lock rod 3 is pulled back into the casing 2 by the pull spring 4 and restored. To unlock and (STEP7).

If the unique ID number of the contactless wireless tag 29 does not match the ID number registered in the reader 30 even if the contactless wireless tag 29 is brought close to the reader 30, The lock 3 is not unlocked and enters the standby mode (STEP 1).

When the bicycle lock 1 is unlocked by the above operation, the energization of the pull solenoid 24, the reader 30 and the vibration sensor 31 from the button battery is stopped. In the present invention, when the pull solenoid 24, the reader 30 and the vibration sensor 31 cannot be used due to failure or the like, or when these are not used, the key 12 can be inserted into the keyhole and unlocked.

DESCRIPTION OF SYMBOLS 1 Passage 2 Casing 2a Left side opening part 2b Right side opening part 3 Locking rod 4 Pulling spring 5 Protrusion 6 Connection part 7 Long hole 8 Knob part 9 Unlocking part 10 Locking lever locking stopper 11 Locking part 12 Key 13 Key insertion hole 14 Cylinder lock 15 Cylinder lock storage portion 16 Projection piece 17 Base end side wall plate 18 Front end side wall plate 19 Hollow portion 20 Long hole 20a Base end edge portion 20b End edge portion 21 Installation chamber 22 Inner wall 23 Push spring 24 Pull solenoid 25 Pull rod 26 Battery box 27 Coil 28 Fixed iron core 29 Non-contact wireless tag 30 Reader 31 Vibration sensor W Wheel

Claims (1)

When the ring lock is locked, an output signal is transmitted from the reader by bringing a passive non-contact wireless tag including an antenna and an IC chip close to the reader installed in the unlocking portion, and the pull solenoid Turn on the power to pull the pull rod to the base end side, and the stopper for locking the lock fixed to the tip of the pull rod against the push spring that is always urged in the locking direction. The lock rod is pulled back into the casing by the restoring force of the restoring spring. A ring lock device for a bicycle, wherein the device is restored and unlocked.

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