JP2001082018A - Magnet lock for bicycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a magnet lock for bicycle of this invention without a key hole and to be hardly unlocked by a means such as a pin. SOLUTION: In this magnet lock 1 for bicycle, a rotatable cylinder body 3 and a lock body 4 integrated with a cylinder 2a of which corresponding faces are continuously connected with each other are fittingly arranged in the cylinder 2a, the cylinder body 3 and the lock body 4 are provided with a magnet receiving hole 5 and a lock pin receiving hole 6 which are opened to each other on the continuously connected faces and closed on the opposite end faces, the whole or one of the magnet receiving holes 5 and the lock pin receiving hole 6 respectively receive a magnet operating body 7 and a lock pin 8, the lock pin 8 is energizedly moved by a spring to fit the lock pin 8 from the lock pin receiving hole 6 into the magnet receiving hole 5 so as to provide the cylinder body 3 and the lock body 4 to be locked with each other, the unlock magnet of an unlock magnet key is continuously connected to the key continuously connecting face 34 of the cylinder body 3, the magnet operating body 7 is repellently moved by magnetic action, and lock of the cylider body 3 with the lock body 4 is released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle magnet lock which has no keyhole in the lock and is not easily unlocked by means such as pins.

[0002]

2. Description of the Related Art Conventionally, bicycle locks generally include a bar-type bicycle lock for locking a front wheel and a circle-type bicycle lock for locking a rear wheel. And bicycle locks
In each case, a blade-type key is inserted into a keyhole and turned to lock or unlock.

[0003]

As described above, all conventional bicycle locks lock or unlock by inserting a blade-type key into a keyhole and turning it, so that the pin is inserted into the keyhole. It can be inserted freely, and when the bent end of the pin is engaged with the internal lock pin, it can be pushed back and can be easily unlocked. Further, there are many accidents in which a pin is inserted into a keyhole by mischief and the keyhole is damaged.

An object of the present invention is to prevent such an easy unlocking and prevent a pin or the like from being inserted into a keyhole.

[0005]

A corresponding surface is connected to a cylinder, and a rotatable cylinder body and a lock body integral with the cylinder are fitted and arranged. The cylinder body and the lock body are connected to each other by a connecting surface. A magnet accommodating hole and a lock pin accommodating hole which are opened and closed at the opposite end face are provided, and a magnet operating body and a lock pin are accommodated in all or a part of the magnet accommodating hole and the lock pin accommodating hole, respectively. The spring is biased by a spring to fit the lock pin from the lock pin receiving hole to the magnet receiving hole to enable locking between the cylinder body and the lock body, and the unlocking magnet of the unlocking magnet key is used as the key of the cylinder body. It is connected to the connecting surface and repulsively moves the magnet operating body by the magnetic force, and the cylinder body and the lock body are locked. In the bicycle magnet lock to open the click.

[0006] The drive pin may be linked to a link shaft integral with the cylinder body to operate the lock rod to unlock or lock.

A linkage shaft projecting from the center of the cylinder body to the rear side is loosely fitted into a bearing hole penetrating the center of the lock body and projected to the rear side, and the projection end is integrally provided with a drive pin. The bicycle lock may be unlocked or locked by fitting and fixing the link hole in the plate, rotating the cylinder body to operate the drive pin, and unlocking the bicycle lock.

In the unlocking magnet key, a front surface of the body is formed on a connecting surface and an outer peripheral surface which match the key connecting surface of the cylinder body, and a receiving hole for receiving the unlocking magnet of the connecting surface is formed in the magnet of the cylinder body. Opened in correspondence with the accommodation hole, house the magnet operating body of the cylinder body and the unlocking magnets of the magnetic poles that repel each other correspondingly, and cover the non-magnetic polarity cover plate in part or all of the accommodation hole. It may be fitted and the unlocking magnet may be closed.

An outer peripheral edge of the key connecting surface of the cylinder body has an engagement groove for engaging with the rotating means of the unlocking magnet key, and the cylinder body and the unlocking magnet key which are unlocked with respect to the lock body are provided. And may be rotatably provided by receiving the operation force of the unlocking magnet key.

A male assembly is formed at the center of the key connection surface of the cylinder body, and a female assembly is formed at the center of the connection surface of the unlocking magnet key. Alternatively, the connecting surface of the unlocking magnet key may be connected to the key connecting surface of the cylinder body.

A head lock body is mounted by fitting a lower edge of an upper one provided on a bottom surface to a head pipe, and a lock gear is provided in the head lock body by engaging a fork stem with a key, and a peripheral surface of the lock gear is provided. A lock rod that is linked to a drive pin is fitted into the lock groove formed in the above, the lock gear is locked, and the bicycle lock of the head lock device for locking the handle to the frame may be used.

A tension spring is connected to one end, and a locking rod constantly pulled in the housing direction is pushed in the locking direction by putting a finger on a knob integrated with the locking rod, and is crossed between spokes of the rear wheel. The locking claw fits into the locking groove provided on the side surface of the locking rod, and the locking claw and the driving pin of the circle lock for holding the locking rod in the locked state are linked to each other. It may be a tablet.

[0013] A case is mounted on the bicycle frame, and a coil-shaped wire having one end fixed thereto is housed therein so that it can be pulled out, and a lock connecting rod welded to the bicycle frame by a locking rod operated by a driving pin is provided on the other end. The lock may be a lock-type bicycle magnet lock having a lock portion for linking.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A cylinder is formed at a required portion of a casing, and corresponding surfaces are connected to the cylinder,
A rotatable cylinder body and a lock body integral with the cylinder are fitted and provided.The cylinder body and the lock body are separated from each other by a required angle on the same radius circle from the center, and are opened at their connecting surfaces, A magnet accommodating hole and a lock pin accommodating hole that are closed at opposite end surfaces are provided, and a magnet operating body and a lock pin are accommodated in all or a part of the magnet accommodating hole and the lock pin accommodating hole, respectively. The lock pin is fitted to the magnet receiving hole from the lock pin receiving hole by the spring moved in the receiving hole, and the lock pin is fitted to the magnet receiving hole to lock the cylinder body and the lock body. The cylinder body is connected to the key connection surface opposite to the surface corresponding to the lock body, and the cylinder body When allowed to face the magnet actuation of net containing hole, the magnet operating body repelled moved by magnetic force, pushes the lock pin into the lock in the body,
A magnet lock for bicycles that unlocks the cylinder body and lock body.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bicycle magnet lock according to an embodiment of the present invention.
More specifically, a bearing cylinder 2 whose inner diameter surface is formed in a cylinder 2a is arranged at a required portion of a casing 1a, and the corresponding surfaces 3a and 4a are connected to the cylinder 2a of the bearing cylinder 2 so that the inner diameter of the bearing cylinder 2 is increased. A cylinder body 3 rotatable around the surface and a lock body 4 integral with the bearing cylinder 2 are fitted and provided. The cylinder body 3 and the lock body 4 are separated from each other by a required angle on the same radius circle from the center. A magnet accommodating hole 5 and a lock pin accommodating hole 6 which are open at the connecting surfaces thereof and are closed at opposite end surfaces, and a magnet operating body 7 is provided in all or a part of the magnet accommodating hole 5 and the lock pin accommodating hole 6. And the lock pins 8, respectively, and the lock pins 8 are urged by springs 9 accommodated in the lock pin accommodation holes 6 to move from the lock pin accommodation holes 6 to the magnet accommodation holes 5. The distal end portion 8a of the pin 8 is fitted to lock the cylinder body 3 and the lock body 4 so that the link shaft 10 projecting from the center of the cylinder body 3 to the rear side passes through the center of the lock body 4. And loosely fits into the bearing hole 11 to protrude to the rear side, and the protruding end is fitted and fixed to the linking hole 14 of the linking plate 13 integrally provided with the drive pin 12, and the unlocking magnet of the unlocking magnet key 15. 16 is connected to the key connecting surface 3b of the cylinder body 3 opposite to the surface corresponding to the lock body 4, and the magnet operating body 7 of the magnet housing hole 5 of the cylinder body 3 is connected.
When it is faced, the magnet actuating body 7
The lock pin 8 is pushed into the lock body 4 to release the lock between the cylinder body 3 and the lock body 4, and the cylinder body 3 is rotated to rotate the drive pin 1.
2 is operated to unlock or lock the bicycle magnet lock 1.

The cylinder 2a may be formed directly on the casing 1a. The bearing cylinder 2 is locked to the casing 1a. In the drawing, the magnet operating body 7 of the magnet housing hole 5 of the cylinder body 3 and the unlocking magnet 16 of the unlocking magnet key 15 are not limited to two facing surfaces as shown in the figure, but are three, four and four.
The number may be increased to five or six. Further, the magnet operating body and the lock pin are not accommodated in all of the three or more magnet accommodating holes 5 and the lock pin accommodating holes 6 formed in the cylinder body 3 and the lock body 4, and one or seven magnets are provided depending on the number of corresponding portions. The space may be arbitrarily set as described above.

Referring to FIG. 4, the principle that the magnet operating member 7 repels the unlocking magnet 16 of the unlocking magnet key 15 will be described. The unlocking magnet 16 of the magnet operating member 7 and the unlocking magnet key 15 is Each of the permanent magnets accommodates, in one of the magnet accommodating holes 5, a magnet operating body 7 having, for example, an S pole and an N pole as shown. When the unlocking magnet 16 of the unlocking magnet key 15 in which the S pole and the N pole are arranged as shown in FIG.
Moves inside the magnet housing hole 5, pushes back the lock pin 8, and releases the lock between the cylinder body 3 and the lock body 4.

The unlocking magnet key 15 is
The front surface of 5a is the key connection surface 3b of the cylinder body 3.
The accommodating hole 17 formed in the connecting surface 15b and the outer peripheral surface 15c conforming to the above is opened corresponding to the magnet accommodating hole 5 of the cylinder body 3, and the accommodating hole 17 for accommodating the unlocking magnet 16 of the connecting surface is opened. The magnetic unlocking magnets 16 of the magnetic poles, which correspond to each other and repel each other, are accommodated in the whole or in part (when the corresponding location is 3 or more), and the cover plate 18 of the non-magnetic polarity is accommodated. It is fitted and the unlocking magnet 16 is closed.

The key connecting surface 3b of the cylinder body 3
On the outer peripheral edge of the unlocking magnet key 15, for example, engaging grooves 20 a engaging with the rotating claws 19 a and 19 b,
The cylinder body 3, which is unlocked with respect to the lock body 4, is linked to the unlocking magnetic key 15, and rotates by receiving the operating force of the unlocking magnetic key 15.

The unlocking magnet key 15 to be connected and engaged with the engagement groove 20a, 20b on the outer peripheral edge of the key connection surface 3b of the cylinder body 3, for example, when the lock is released, the key connection surface 3b Then, the operator prepares for the next lock and stores it in a pocket or other appropriate place.

A male assembly 22 is formed at the center of the key connection surface 3b of the cylinder body 3 and a female assembly 23 is formed at the center of the connection surface 15b of the unlocking magnet key 15. When it is fitted, the connecting surface 15b of the unlocking magnet key 15 can be connected to the key connecting surface 3b of the cylinder body 3.

As shown in FIGS. 7A, 7B, and 7C, the male assembly die 21 includes a cross male assembly 21a and a diamond male assembly 21.
b. The number of key types can be increased depending on the combination type, such as the heart male combination type 21c. As shown in FIGS. 8A, 8B, and 8C, the female assembly mold 22 to be combined with these is a cross female assembly 22a, a diamond female assembly 22b, and a heart female assembly 2
2c.

An embodiment in which the bicycle magnet lock 1 of the present invention is applied to a head lock device 25 for locking a head pipe 23 and a handle stem 24 of a bicycle will be described with reference to FIGS. 9 and 10. The lower edge of the upper one 27 provided on the head pipe 23 is fitted and attached to the head pipe 23, and the lock gear 31 is provided by engaging the first key 29 and the second key 30 with the fork stem 28 in the head lock body 26. A lock rod 33 associated with the drive pin 12 is fitted into a lock groove 32 formed on the peripheral surface of the lock gear 31, thereby locking the lock gear 31 and locking the handle with respect to the frame.

In the head lock device 25, one end is always pressed against the peripheral surface of the cylinder body 3 by the action of the biasing spring 34, and the locking lock groove 35 provided on the peripheral surface is always locked, in order to ensure safety. An auxiliary lock claw 37 that fits into the lock groove 36 is provided, and the auxiliary lock claw 37 can be unlocked by pressing the manual button portion 37a when holding the unlocking magnet key 15 and operating.

A bicycle magnetic lock 1 of the present invention is shown in FIG.
In the circle lock 38, the locking rod 39 is connected to a tension spring (not shown) at one end and is always pulled in the accommodation direction.
Put a finger on the knob 40 integrated with 9 and push it out in the lock direction,
It locks across the spokes of the rear wheel. The locking rod 39 is provided with a locking groove (not shown) on the side surface, and a locking claw (not shown) is fitted into the locking groove to hold the locking rod 39 in its locked state. It is. The locking claw (not shown) is linked to the drive pin 12 of the bicycle magnet lock 1, and is connected to the key connection surface 3 b of the cylinder body 3 by the connection surface 15 b of the unlocking magnet key 15.
The lock between the internal cylinder body 3 and the lock body 4 is released, and the lock lever 39 is rotated by rotating the unlocking magnet key 15.
The engagement of the locking claw (not shown) is released from the locking groove (not shown) of the above, and the lock of the locking rod 39 can be released by the action of the tension spring (not shown).

An embodiment in which the bicycle magnet lock 1 of the present invention is applied to a wire lock 42 mounted on a bicycle frame 41 shown in FIGS. 12 and 13 will be described. The bicycle magnet lock 1 is configured as a bicycle lock 1 having a lock body 47 which is provided with a lock portion 46 which locks a coil-shaped wire 44 to which one end is fixed and which is locked by a lock rod 45 at the other end. The part 46 is locked with a lock connecting rod 48 welded to the bicycle frame 41.

[0027]

As described above, the magnet lock for a bicycle according to the present invention has no keyhole, cannot be locked or unlocked by turning a flat key connecting surface together, and has no pinhole. Since the lock is not inserted, the lock can be protected from breakage. In addition, the combination of the magnet and the combination of the center can increase the types of keys to enhance security.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view illustrating a basic structure of a bicycle magnet lock according to the present invention.

FIG. 2 is a cross-sectional view taken along the line AA in FIG.

FIG. 3 is an operation explanatory view of connecting the bicycle magnet lock and the unlocking magnet key to operate the bicycle magnet lock in an open state;

FIG. 4 is an explanatory diagram for explaining a principle of a repulsive movement of a magnet operating body.

FIG. 5 is also a side view of an unlocking magnetic key combined with the bicycle magnetic lock of the present invention.

FIG. 6 is a front view of the unlocking magnet key.

FIG. 7 is a front view showing an example of a male-type type formed in a projecting manner at the center of a key connecting surface of the bicycle magnet lock according to the present invention;

FIG. 8 is a front view showing an example of a female assembly type in which a concave portion is formed in the connecting surface of the unlocking magnet key into which the male assembly type is fitted.

FIG. 9 is a partially cutaway side view showing a state in which the bicycle magnet lock of the present invention is applied to a head lock for locking a head pipe and a handle of a bicycle.

FIG. 10 is a cutaway partial plan view showing a state where the headlock is implemented.

FIG. 11 is a partial perspective view showing a state in which the bicycle magnet lock of the present invention is applied to a circle lock for locking a rear wheel of a bicycle.

FIG. 12 is a partial perspective view showing a state in which the bicycle magnet lock of the present invention is applied to a wire lock mounted on a bicycle frame.

FIG. 13 is a partially cutaway plan view of the wire lock.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Magnet lock for bicycles 1a Casing 2 Bearing cylinder 2a Cylinder 3 Cylinder body 3a Corresponding surface 3b Key connecting surface 4 Lock body 4a Corresponding surface 5 Magnet accommodation hole 6 Lock pin accommodation hole 7 Magnet operating body 8 Lock pin 8a Lock pin tip 9 Spring 10 Linking shaft 11 Bearing hole 12 Drive pin 13 Linking plate 14 Linking hole 15 Unlocking magnet key 15a Body 15b Connecting surface 15c Outer peripheral surface 16 Unlocking magnet 17 Housing hole 18 Cover plate 19a Rotating claw 19b Rotating claw 20a Engagement Groove 20b Engagement groove 21 Male assembly 21a Cross male assembly 21b Diamond male assembly 21c Heart male assembly 22 Female assembly 22a Cross female assembly 22b Diamond female assembly 22c Heart female assembly 23 Head pipe 24 Handle stem 25 Head lock device 2 Head Lock Body 27 Upper One 28 Hawk Stem 29 First Key 30 Second Key 31 Lock Gear 32 Lock Groove 33 Locking Rod 34 Energizing Spring 35 Unlocking Lock Groove 36 Locking Lock Groove 37 Auxiliary Lock Claw 37a Manual Button 38 38 Circle Lock 39 Locking rod 40 Knob 41 Bicycle frame 42 Wire lock 43 Case 44 Wire 45 Locking rod 46 Locking part 47 Locking body 48 Locking connecting rod

Claims (9)

[Claims] 1. The cylinder has a corresponding surface connected to each other,
A rotatable cylinder body and a lock body integral with the cylinder are fitted and deployed.The cylinder body and the lock body are provided with a magnet housing hole and a lock pin housing hole that open at the connecting surfaces and close at the opposite end surfaces. A magnet operating body and a lock pin are respectively housed in all or a part of the magnet housing hole and the lock pin housing hole, and the lock pin is biased by a spring to move from the lock pin housing hole to the magnet housing hole. The cylinder body and the lock body are locked so that the unlocking magnet of the unlocking magnet key is connected to the key connection surface of the cylinder body. Bicycle lock that unlocks the lock with the lock body. 2. The bicycle magnet lock according to claim 1, wherein the lock pin is unlocked or locked by operating a lock rod by linking a drive pin to a link shaft integral with the cylinder body. 3. A coupling shaft projecting from the center of the cylinder body to the rear side is loosely fitted into a bearing hole penetrating the center of the lock body to project toward the rear side, and the projecting end is integrally provided with a drive pin. 2. The bicycle magnet lock according to claim 1, wherein the bicycle lock is unlocked or locked by engaging and fixing the link hole of the link plate, operating the drive pin by rotating the cylinder body. 4. An unlocking magnet key, wherein a front surface of a body is formed on a connecting surface and an outer peripheral surface which are adapted to a key connecting surface of the cylinder body, and a receiving hole for receiving the unlocking magnet of the connecting surface is provided on the cylinder body. The magnet opening of the cylinder body is opened in correspondence with the magnet accommodation hole, and the magnet operation body of the cylinder body and the unlocking magnet of the magnetic pole which repel each other corresponding to each other are accommodated in part or all of the accommodation hole, and the non-magnetic polarity lid 4. A bicycle magnet lock according to claim 1, wherein the plate is fitted and the unlocking magnet is closed. 5. A cylinder body and an unlocking magnet which are provided on an outer peripheral edge of a key connecting surface of the cylinder body with an engaging groove for engaging with a rotating means of an unlocking magnet key, and which are unlocked with respect to the lock body. The bicycle magnetic lock according to any one of claims 1, 2, 3, and 4, wherein the magnetic lock is linked to a key and rotatably provided upon receiving an operation force of the unlocking magnetic key. 6. A male assembly that protrudes at the center of the key connection surface of the cylinder body and a female assembly that is recessed at the center of the connection surface of the unlocking magnet key, and are fitted and fitted to each other. 6. The magnet lock for a bicycle according to claim 1, wherein the connecting surface of the unlocking magnet key can contact and connect to the key connecting surface of the cylinder body. 7. A head lock body is mounted by fitting a lower edge of an upper one provided on a bottom surface to a head pipe, and a lock gear is provided in the head lock body by engaging a fork stem with a key. In the lock groove formed on the peripheral surface,
A head lock device that locks a lock gear by fitting a lock rod linked to a drive pin and locks a handle to a frame, according to claim 1, claim 2, claim 3, claim 4, claim 5, or claim 5. Item 6. A bicycle magnet lock according to item 6. 8. A tension spring having one end connected thereto, and a locking rod which is always pulled in the housing direction is pushed in a locking direction by putting a finger on a knob integral with the locking rod, and is pushed out in the locking direction. The locking claw fits into the locking groove provided on the side surface of the locking rod, and the locking claw of the circle lock that holds the locking rod in the locked state is linked to the driving pin. Item 1, Claim 2,
The bicycle magnet lock according to claim 3, 4, 5, or 6. 9. A case is attached to a bicycle frame, and a coil-shaped wire having one end fixed thereto is housed therein so as to be able to be pulled out, and a lock connection welded to the bicycle frame by a locking rod operated by a driving pin at the other end. Claims 1, 2, 3, and 4 of a lock body having a lock portion that is connected to a rod and a lock.
The bicycle magnetic lock according to claim 4, 5, or 6.