JP2001073613A - Lock device for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock device for a bicycle easy to exchange a battery with high crime prevention, having an electric unlock device and a manual unlock device. SOLUTION: Based on the idea that easiness of exchange of a battery and sure prevention of the theft of the battery can be attained by unlocking a battery case by the use of a manual unlock device provided separately from an electric unlock device, this lock device for a bicycle is provided with a key cylinder type manual unlock device 60 unlocking a lock mechanism by rotational movement in either direction of normal or reverse rotation of the key cylinder, and unlocking the battery case lock mechanism by rotational movement in the other direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle locking device that can be unlocked electrically and manually.

[0002]

2. Description of the Related Art As a bicycle locking device,
2. Description of the Related Art There is known a device which can be electrically unlocked by remote control. In this electric unlocking device, a battery case for storing a battery as a power supply is indispensable. This battery case needs to satisfy both the ease of battery replacement and the anti-theft property of the battery at the same time. However, if the anti-theft property is emphasized, the ease of replacement is impaired. If it is, the anti-theft property is impaired. Further, it is preferable that the electric and electronic parts for electric unlocking are made watertight with a simpler structure.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a bicycle locking device in which batteries can be easily replaced and the anti-theft property is high. The present invention also provides
It is an object of the present invention to obtain a device that can easily make watertight and assemble electric and electronic components.

[0004]

SUMMARY OF THE INVENTION According to the present invention, if the battery case is unlocked by using a manual unlocking device provided separately from the electric unlocking device for safety, it is possible to easily replace the battery and reliably prevent theft of the battery. It was made based on the idea that it can be achieved.

A locking device for a bicycle according to the present invention includes a base member fixed to a bicycle frame; a locking mechanism having a locking rod supported on the base member so as to be able to advance and retreat within wheels of the bicycle; An electric unlocking device for electrically unlocking the lock mechanism; a battery case supported by a base member for accommodating a battery which is a power source of the electric unlocking device;
A battery case locking mechanism that locks the battery case to the base member in a state in which a battery housed in the case cannot be inserted or removed; and a key cylinder rotated by a key, and either one of the key cylinder's forward and reverse A key cylinder type manual unlocking device which unlocks the lock mechanism by turning in the direction and unlocks the battery case locking mechanism by turning in the other direction.

The electric unlocking device is generally operated by a remote control, but may be operated by a switch.

[0007] The battery case is either a pivotable type which is rotatable between a position where the battery can be inserted into and removed from the inside and a position where the battery cannot be inserted and supported by the base member, and a detachable type which is detachable from the base member. Is also possible. When unlocked by the key cylinder type manual unlocking device, the rotating type can be rotated to the battery insertion / removal position, and the detachable type can be detached from the base member. In the case of the rotation type, the battery case is provided with an opening / closing lid and its opening / closing operation knob. When the battery case is at the position where the battery cannot be inserted / removed, the opening / closing operation knob is covered by the base member and cannot be operated. The opening / closing operation knob can be exposed from the base member and can be operated when the battery is in the battery insertion / removal position.

The electric unlocking device houses a motor, a reduction gear train rotationally driven by the motor, and a rotary drive shaft provided at the last stage of the reduction gear train. Water-tight case that projects outside in a water-tight state;
And fixed to the protruding part of the rotary drive shaft from the watertight case,
An unlocking member for unlocking the lock mechanism by rotation of the rotary drive shaft;
It is preferable to provide

The present invention has another feature of the electric unlocking mechanism. That is, according to the present invention, in the configuration focusing on the electric unlocking mechanism, a lock rod that advances and retreats into the wheel of the bicycle, a lock lever that locks the lock rod while inserted into the wheel,
In a bicycle locking device having an electric unlocking mechanism for driving the lock lever to the unlocked position of the lock rod, the electric unlocking mechanism includes a motor, a reduction gear train rotationally driven by the motor, and a reduction gear train. A watertight case in which the rotary drive shaft provided in the last stage is housed, and the tip of the rotary drive shaft projects outside in a watertight state; and an unlocking fixed to the protrusion of the rotary drive shaft from the watertight case. Wherein the unlocking member is rotated by the rotation of the rotary drive shaft to move the lock lever to the lock release position of the lock rod. The unlocking member may be any member that moves the lock lever to the unlocked position (unlocks the lock mechanism) by rotation of the rotation drive shaft, such as a cam or lever.

[0010]

1 to 11 show a first embodiment of a bicycle unlocking device 100 according to the present invention. As shown schematically in FIG. 3, the bicycle unlocking device 100 includes a base member 10, a cover member 20, a locking lever 30, a lock lever 40, a battery case lock lever (hereinafter referred to as a case lock lever) 50, and a key cylinder type manual override. An unlocking device 60, a watertight case (electric drive mechanism) 70, and a rotating battery case 80 are provided. The base member 10 is fixed to a bicycle frame and has a wheel insertion recess 11 for inserting a peripheral portion of a wheel. The base member 10 is provided with advance / retreat holes 12 and 13 for the lock rod 30 formed of an incomplete ring at both sides of the opening end of the wheel insertion concave section 11. The arc-shaped guide portion 14 is formed upright.

The locking rod 30 has a radial projection 31 protruding outside the base member 10, and an operation knob 32 is fixed to the radial projection 31. A tension spring 34 is housed in an internal space 33 having a U-shaped cross section of the lock rod 30, and one end of the tension spring 34 is hooked on a spring hook pin 35 fixed to the lock rod 30. The other end of the tension spring 34
The locking rod 30 is hung on a spring hook pin 36 implanted on the base member 10, and the tip lock portion 37 of the locking rod 30 is retracted from the wheel insertion recess 11 (the reciprocating hole 12) by the tensile force of the tension spring 34. In a moving direction.

When the locking rod 30 is pivotally moved against the force of the tension spring 34, the tip locking portion 37 of the locking rod 30
It protrudes from the advance / retreat hole 12 and enters the wheel, and further enters the advance / retreat hole 13. The end of the locking rod 30 opposite to the distal end locking portion 37 forms a locking end surface 38.

The lock lever 40 constitutes a lock mechanism for locking the lock rod 30 to the lock position when the lock rod 30 is rotated to the lock position (wheel lock position), and is apparent from FIGS. As described above, it is pivotally mounted on the base member 10 by the shaft 41 and has a lock upright portion 42 that engages with the lock end surface 38 of the lock rod 30. Lock lever 4
0 also has an electric lock release rising part 43 and a manual lock release rising part 44, and has a substantially Y-shape as a whole. The eccentric cam (unlocking cam, unlocking member) 71 of the watertight case 70 is engaged with the electric unlocking upright portion 43, and the rotation of the key cylinder type manual unlocking device 60 is engaged with the manual unlocking uprising portion 44. The arm 61 is engaged. Reference numeral 45 denotes a spring hook projection provided near the manual lock release standing portion 44.

The battery lock lever 50 is shown in FIG.
As can be seen in FIG. 6, it is pivotally mounted on the base member 10 by means of a shaft 51. The battery lock lever 50 has a spring hook projection 52, and a tension spring 46 is stretched between the spring hook projection 52 and the spring hook projection 45 of the lock lever 40. The tension spring 46 urges the lock lever 40 to rotate about the shaft 41 in the counterclockwise direction in the drawing,
The battery lock lever 50 is urged to rotate around the shaft 51 in the clockwise direction in the figure. The lock upright portion 42 of the lock lever 40 is constantly urged to move in the direction in which it comes into contact with the outer surface of the lock lever 30 by this urging force.
Is rotated in the locking direction and the lock end face 38 exceeds the lock upright portion 42, and immediately moves to the position of engagement with the lock end face 38 to lock the lock rod 30. The tension spring 46 is
Rotation bias of lock lever 40 and battery lock lever 5
Since it is shared with the rotation bias of 0, the number of parts can be reduced.

The battery lock lever 50 has a shaft 51
And a lock control arm 54 of the rotating battery case 80, which is located on the substantially opposite side with respect to the lock-up arm 53 of the key cylinder type manual unlocking device 60 with the rotating arm 61.

The key cylinder type manual unlocking device 60 has a fixed bracket 62 fixed to the base member 10, and a key cylinder 64 rotated by a key 63 is rotatably supported on the fixed bracket 62. Have been. The rotating arm 61 is fixed to the tip of the key cylinder 64. When the key cylinder 64 is inserted at the neutral position (lock position) in FIGS. Can be rotated by a certain angle. on the other hand,
When the key 63 is removed at the neutral position, the key cylinder 64
Is locked and cannot rotate.

The watertight case 70 has a built-in electric unlocking device for rotatingly driving the eccentric cam 71 which is engaged with the electric lock release rising portion 43 of the lock lever 40, and holds the electric and electronic components in a watertight state. As shown in FIG. 4, the watertight case 70 has an upper case 72U and a lower case 72L that are connected in a watertight manner, and a circuit board 73, a drive motor 74, and a reduction gear train board are provided in the upper case 72U and the lower case 72L. 75, a worm wheel 7 driven via a worm gear 74a fixed to the output shaft of the drive motor 74
Reduction gear train 76 having the same 6a, and this reduction gear train 76
The electric unlocking device such as the rotary drive shaft 77 at the last stage is housed. The circuit board 73 includes a receiving antenna for receiving an unlock signal from a remote controller (not shown), a receiving circuit, a determination circuit,
A circuit for driving the drive motor 74 based on a remote control unlock signal, such as a driver circuit for the drive motor 74, is mounted.

The rotary drive shaft 77 projects through the through hole 79 formed in the lower case 72L to the outside of the lower case 72L.
The above-described eccentric cam 71 that engages with the electric lock release rising portion 43 of the lock lever 40 is fixed. Rotary drive shaft 7
A sealing member such as an O-ring is interposed between 7 and the through hole 79 to ensure the watertightness of the watertight case 70.

The case body 8 of the rotating battery case 80
2 has a circular projection 83 (FIG. 3) rotatably fitted in the battery case rotation hole 15 formed in the base member 10. The turn-fix piece 81 is fixed to the circular projection 83 so as to be relatively non-rotatable so that the base member 10 is sandwiched between the turn-fix piece 81 and the case body 82. Reference numeral 84 denotes an O-ring for making the rotating portion watertight.

On the side of the case body 82 that is separated from the circular projection (rotation support shaft) 83 and separated from the base member 10, an opening / closing lid 86 is pivoted about a shaft 85 that is parallel to the plate thickness plane of the base member 10. Is being worn. As shown in FIGS. 2, 3, and 11, the opening / closing lid 86 is provided with an opening / closing operation knob 87 that is slidable and has a locking claw 88 integrally therewith. A lock member 89 that engages with and disengages from 88 is provided. The opening / closing operation knob 87 is urged to move in the locking direction by a spring means (not shown). When the opening / closing cover 86 is closed from the open state, the opening / closing operation knob 87 once moves to the unlock position and then moves to the lock position.

The opening / closing operation knob 87 is connected to the opening / closing lid 8.
6, the case body 82 (rotatable battery case 80) is rotated to the back surface of the base member 10 (a position where the battery cannot be inserted or removed, FIGS. 1 and 7). Occasionally, the operation is disabled by being hidden by the base member 10, and the operation is possible when the rotating battery case 80 is rotated to the battery insertion / removal position (FIG. 9) exposed from the back surface of the base member 10. Becomes The rotatable range of the rotatable battery case 80 is set at the position where the battery cannot be inserted or removed (FIG. 7).
And the battery insertion / removal position (FIG. 9).

In this example, two AA batteries can be inserted into and removed from the case body 82 with the cover 86 opened.
The battery output inserted into the opening / closing lid 86 is supplied to a power terminal in the watertight case 70 via a well-known contact structure and harness (not shown). The harness includes a harness passage hole 83a formed in the circular projection 83 of the rotating battery case 80 and a harness passage hole 81a of the turnfix piece 81.
Through the rotary battery case 80. The space between the case body 82 and the opening / closing lid 86 is made water-tight by a seal packing.

The battery lock lever 50 cooperates with the turn fix piece 81 to constitute a battery case lock mechanism for locking the case main body 82 (rotatable battery case 80) to a position where the battery cannot be replaced. That is, as apparent from FIGS. 7, 9, and 11, the turn-fix piece 81 is provided with the lock control cam 90 on the surface of the battery lock lever 50 facing the lock control arm 54. The lock control cam 90 is connected to the tension spring 46.
Battery lock lever 50 which is urged to rotate by
The lock groove 91 that does not allow the rotation of the case body 82 when engaged with the lock claw 54a of the lock control arm 54, and the rotation that allows the rotation of the case body 82 even when the lock claw 54a of the control arm 54 is engaged. And a movement permitting surface 92. The lock groove 91 is provided in the case main body 82 (rotatable battery case 8).
0) is rotated to the back of the base member 10 (the position where the battery cannot be inserted or removed), and engages with the lock claw 54a of the lock control arm 54 of the battery lock lever 50.

The bicycle unlocking device 100 having the above configuration is
A lock lever 40, a battery lock lever 50, a key cylinder type manual unlocking device 60 and a separately sub-assembled watertight case 70 are sequentially assembled on the base member 10, and a separately sub-assembled rotating battery case 80 is mounted on the back surface of the base member 10. Attach. Since the watertight case 70 and the rotating battery case 80 can be subassembled, assembly is easy, and the electric drive part of the electric unlocking device is housed in the watertight case 70, so that reliable waterproofness can be obtained. Can be The cover member 20 fixed on the base member 10 includes:
Wheel insertion recess 21 corresponding to wheel insertion recess 11, locking rod 3
0, the guide cover 22, the exposed hole 23 of the watertight case 70,
The exposure hole 24 of the key cylinder type manual unlocking device 60 is formed.

The bicycle unlocking device 100 having the above-described structure operates as follows. Now, the lock lever 30 is moved to the operation knob 3.
2 to the wheel lock position, and the lock end face 3
FIG. 8 shows a lock state (FIG. 5) in which the lock upright portion 42 of the lock lever 40 is engaged. At this time, the pivotable battery case 80 is located at a position where the battery cannot be inserted and removed behind the base member 10 and the key cylinder type manual unlocking device 60
Is in the neutral position (lock position).
For this reason, the lock claw 54 a of the lock control arm 54 of the battery lock lever 50 is engaged with the lock groove 91 of the lock control cam 90 to lock the rotary battery case 80. That is, the rotating battery case 80 cannot be rotated, and the battery inside does not encounter theft.

In this normal lock state, when an unlocking signal is sent from the remote controller, the receiving antenna in the watertight case 70 receives this signal and determines whether or not the unlocking signal is appropriate. If the unlock signal is appropriate, a drive signal is given to the drive motor 74, and the rotary drive shaft 77 is rotationally driven via the worm gear 74a, the worm wheel 76a, and the reduction gear train 76. Then, the case 72 is attached to the rotary drive shaft 77.
The eccentric cam 71 fixed outside of the
Pressing the electric lock release standing portion 43 rotates the lock lever 40 clockwise in FIG. Then, as a result of the engagement between the lock upright portion 42 and the lock end surface 38 being disengaged, the lock rod 30 is instantaneously rotated and moved by the force of the tension spring 34, and the tip lock portion 37 is retracted from the wheel insertion concave portion 11 to be released. Lock. The rotation angle of the rotation drive shaft 77 is detected by a sensor (not shown), and stops when the eccentric cam 71 makes one full rotation. The above is the electric unlocking operation.

To lock in the unlocked state, the lock lever 30 may be fully rotated in the locking direction by holding the operation knob 32. At the moment when the lock end face 38 exceeds the lock upright portion 42, the lock upright portion 4
2 moves to the engagement position with the lock end face 38, and the first normal lock state is established.

Next, in the manual unlocking operation, the key 63 is inserted into the key cylinder 64 of the key cylinder type manual unlocking device 60,
This is performed by rotating the key cylinder 64 clockwise in FIG. Then, the rotating arm 61 rotating integrally with the key cylinder 64 pushes the manual unlocking upright portion 44 to rotate the lock lever 40 clockwise in FIG. 7. 42 and lock lever 30
Is disengaged from the lock end face 38 and the lock is released.

At the time of battery replacement, the key 63 is inserted into the key cylinder 64 of the key cylinder type manual unlocking device 60, and the key cylinder 64 is rotated counterclockwise in FIG. Position). Then, since the rotating arm 61 pushes the engaging upstanding portion 53 to rotate the battery lock lever 50 counterclockwise in FIG. 7, the lock claw 54 a of the lock control arm 54 and the lock groove 91 of the turn fix piece 81 The engagement is released, and the rotation type battery case 80 (case body 82) can be turned. Then, in a state where the user holds the case body 82 and manually rotates the battery by a predetermined angle in the direction of the battery insertion / removal position shown in FIG. Since the tip lock claw 54a of the biased lock control arm 54 is engaged with the rotation allowing surface 92, the case body 82 can freely rotate, and is manually rotated to the battery insertion / removal position shown in FIG. Can be done. Therefore, at this battery insertion / removal position, the opening / closing operation knob 87 urged to move in the locking direction by the spring means is slid in the unlocking direction to open / close the opening / closing lid 86.
Is unlocked, the open / close lid 86 is opened, and the internal battery can be replaced.

After the battery replacement is completed, the opening / closing lid 86 is closed and locked by the opening / closing operation knob 87, and then the rotatable battery case 80 is rotated to the battery non-replaceable position. In this state, when the key cylinder 64 is returned to the neutral position (lock position), the force pressing the engagement upright portion 53 disappears, and the battery lock lever 50 returns to the original position by the force of the tension spring 46. The lock battery 54 is locked by engaging the lock claw 54 a of the lock control arm 54 with the lock groove 91 of the lock control cam 90. Thereafter, when the key 63 is pulled out from the key cylinder 64, the initial state is established.

FIGS. 12 to 14 show a second embodiment of the present invention. This embodiment is an embodiment in which the rotating battery case 80 is a detachable type. Base member 1
0, a detachable battery case 80D
A battery case supporting portion 94 that detachably supports the one-end protruding portion 93 protrudes. Although the battery support 94 is provided integrally with the watertight case 70 in the illustrated example, it may be provided on the base member 10. In addition, a lock claw 96 that engages with and disengages from a lock groove 95 provided at the other end of the detachable battery case 80D protrudes from the back surface of the base member 10.
The lock claw 96 is formed on the lock control arm 54 of the battery case lock lever 50 according to the first embodiment, and rotates the rotation arm 61 (key cylinder 64) in the counterclockwise direction in FIG. When rotated, the engagement between the lock claw 96 and the lock groove 95 is released. As in the first embodiment, the locking mechanism can be manually unlocked by rotating the rotating arm 61 clockwise in FIG.
Reference numerals 97 and 98 denote positioning protrusions and concave portions formed on the detachable battery case 80D and the watertight case 70, respectively.

As described above, in this embodiment, the lock of the detachable battery case 80D can be unlocked and removed from the base member 10 by the key cylinder type manual unlocking device 60. The detachable battery case 80D has a structure in which the battery can be replaced only when the battery case is removed from the base member 10. Accordingly, if the battery in the detachable battery case 80D is replaced and then the detachable battery case 80D is held on the back surface of the base member 10 by the battery case supporting portion 94 and the lock claw 96, the initial state is obtained. The same operation as in the first embodiment can be obtained.

[0033]

According to the bicycle locking device of the present invention, it is possible to obtain a bicycle locking device with easy battery replacement and high anti-theft property. In addition, watertightness and assembly of electric and electronic components are easy.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of a bicycle locking device according to the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is an exploded perspective view of a watertight case and its internal components.

FIG. 5 is a plan view showing a locked state of the lock mechanism.

FIG. 6 is a plan view showing an unlocked state of the lock mechanism.

FIG. 7 is a plan view showing a locked state of the battery case by the key cylinder type manual unlocking device.

8 is a view taken in the direction of the arrow VII in FIG. 7;

FIG. 9 is a plan view showing the unlocked state of the battery case by the key cylinder type manual unlocking device.

FIG. 10 is an exploded perspective view of a battery case lock mechanism.

FIG. 11 is a diagram along the line XX in FIG. 2;

FIG. 12 is a side view corresponding to FIG. 2 and showing another embodiment of the bicycle locking device according to the present invention.

FIG. 13 is an exploded perspective view of the main part.

14 is an enlarged perspective view of a part of FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 bicycle unlocking device 10 base member 11 wheel insertion concave portion 12 13 advance / retreat hole 14 arc-shaped guide portion 15 battery case turning hole 20 cover member 21 wheel insertion concave portion 22 guide cover portion 23 24 exposed hole 30 locking rod 31 radial projection 32 Operation Knob 34 Tension Spring 35 36 Spring Hook Pin 37 Tip Locking Part 38 Lock End Face 40 Lock Lever 41 Shaft 42 Lock Erecting Part 43 Electric Lock Release Erecting Part 44 Manual Lock Release Erecting Part 45 Spring Hook 46 Tension Spring 50 Battery Case Lock Lever 51 Shaft 52 Spring hooking projection 53 Engaging upright portion 54 Lock control arm 54 a Lock pawl 60 Key cylinder type manual unlocking device 61 Rotating arm 62 Fixed bracket 63 Key 64 Key cylinder 70 Watertight case 71 Eccentric cam (Unlocking cam, Unlocking member) 72 Upper case 72L Lower case 73 Circuit board 74 Drive motor 75 Reduction gear train board 76 Reduction gear train 77 Rotation drive shaft 79 Through hole 80 Rotating battery case 80D Removable battery case 81 Turn-fix piece 82 Case body 83 Circular projection 84 O-ring 85 shaft 86 opening / closing lid 87 opening / closing operation knob 88 lock claw 89 lock member 90 lock control cam 91 lock groove 92 rotation allowable surface 94 battery case support portion 95 lock groove 96 lock claw

Claims (7)

[Claims] 1. A base member fixed to a bicycle frame; a locking mechanism having a locking rod supported on the base member so as to be able to advance and retreat in wheels of the bicycle; and electrically unlocking the locking mechanism in a locked state. An electric unlocking device; a battery case supported by the base member for accommodating a battery which is a power source of the electric unlocking device; and a battery case in which the battery housing the battery case cannot be inserted or removed. A battery case lock mechanism for locking to the base member; and a key cylinder rotated by a key, wherein the key mechanism is unlocked by rotation of the key cylinder in one of forward and reverse directions.
A key cylinder-type manual unlocking device for unlocking the battery case lock mechanism by turning in the other direction; 2. The bicycle locking device according to claim 1, wherein the electric unlocking device is operated by a remote controller. 3. The bicycle locking device according to claim 1, wherein the battery case is rotatable with respect to the base member between a position where the battery can be inserted into and removed from the inside and a position where the battery cannot be inserted. A locking device for a bicycle, which can be rotated to a battery insertion / removal position when unlocked by a key cylinder type manual unlocking device. 4. The bicycle locking device according to claim 3, wherein the battery case is provided with an opening / closing lid and an opening / closing operation knob thereof, and the opening / closing operation knob is provided when the battery case is at a position where the battery cannot be inserted / removed. Is locked by the base member and cannot be operated, and when in the battery insertion / removal position, the opening / closing operation knob is exposed from the base member to be operable. 5. The bicycle locking device according to claim 1, wherein the battery case is detachable with respect to the base member, and is capable of performing a detaching operation when unlocked by a key cylinder type manual unlocking device. Bicycle locking device. 6. The bicycle locking device according to claim 1, wherein the electric unlocking mechanism includes: a motor; a reduction gear train rotationally driven by the motor; A water-tight case that houses the rotary drive shaft provided in the final stage and has a tip end of the rotary drive shaft protruding outside in a watertight state; and An unlocking member for unlocking the locking mechanism by rotation of a rotary drive shaft; 7. A lock rod which advances and retreats into the wheel of a bicycle, a lock lever which locks the lock rod while being inserted into the wheel, and an electric unlocking mechanism which drives the lock lever to an open position of the lock rod. In the bicycle locking device having the above structure, the electric unlocking mechanism houses a motor, a reduction gear train rotationally driven by the motor, and a rotation drive shaft provided at a final stage of the reduction gear train. A watertight case in which the tip of the rotary drive shaft projects outward in a watertight state; and an unlocking member fixed to a protruding portion of the rotary drive shaft from the watertight case. A lock device for a bicycle, wherein the lock lever is rotated to rotate the lock lever to a lock release position of the lock rod.