JP2006037431A - Wire lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To further smooth the operation of a locking mechanism in locking and unlocking operations. <P>SOLUTION: In this wire lock, a key hole 2 of the built-in locking mechanism 1 is opposed to an end surface of a lock body A, a cylindrical opening part 3 is provided on the other end surface, a fixing end B' of a wire B is connected to a side surface of the lock body, and a balustered lock rod body 5 provided at the free end of the wire is inserted to the opening part and locked to the locking mechanism. A cylindrical body 10 is fixed within the opening part, and steel balls 7 are fitted to holes 6 provided at both sides of the cylindrical body 10. A spring receiver 11 and a push-out spring 21 are fitted into the cylindrical body. A coil spring 13 and a rotary lever 16 having fork pieces a and b are fitted to the inner end of the locking mechanism, and the steel balls fitted to a circumferential groove 9' of the balustered part 9 of the lock rod body are suppressed by the inside surfaces of the fork pieces of the rotary lever in a locked state. At the time of unlocking, recessed parts provided on the inside surface of the fork pieces are engaged with each other by the rotating operation of a key C inserted to the key hole to push the lock rod body out of the opening part. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a wire lock mainly used for bicycles, and a lock housing provided at a free end of a wire is locked to a lock body by a one-touch insertion operation into a lock hole. It is characterized in that the lock housing is pushed out of the lock body by a slight rotation operation in the direction.

In the wire lock, the fixed end of the wire is provided on one end side of the lock body, and the lock hole provided on the free end of the wire is locked in the lock hole provided on the side of the other end. For example, Patent Document 1 is a prior application of the present applicant. In addition, a holder is attached to the bicycle seat post, the fixed end of the wire is connected to the side of the lock body fixed to the holder, and a lock mechanism with a keyhole provided at the other end and a lock mechanism provided in the body are provided. There is Patent Document 2 that locks and.
In addition, the fixed end of the wire is connected to one of the side surfaces of the lock body with a built-in locking mechanism, and the spring for spring, spring receiver, and lock hole are elastic in the lock hole that opens on the other side of the lock body. Japanese Patent Application Laid-Open No. 2004-133826 discloses a pseudo jewel-shaped locking rod provided at a free end of a wire that is locked by a one-touch insertion operation with respect to a locking hole.

JP 2002-47846 A (see, for example, page 1 and FIG. 1) Japanese Patent Laid-Open No. 9-164982 (see, for example, page 1 and FIG. 1) Japanese Patent Laid-Open No. 6-67753 (for example, see page 1 and FIG. 1)

The bicycle lock disclosed in Patent Document 1 is characterized in that a lock body with a built-in locking mechanism is covered with an elastomeric cover with a keyhole facing one end face, and the locking mechanism itself has the structure of the present invention. Is different. The wire lock of Patent Document 2 has an advantage that the lock body is fixedly held by a holder attached to the bicycle and can be carried integrally with the bicycle, but the locking mechanism itself is different from the structure of the present invention. Moreover, since the wire lock of patent document 3 employ | adopts the rotation ring type locking mechanism, this prior document is also different from the locking mechanism of this invention.

The problem to be solved by the present invention is to enable the operation of the locking mechanism during the unlocking operation and the locking operation to be performed more smoothly by a one-touch operation or a one-touch operation.

  Therefore, in order to solve the above-described problems, the present invention provides a key hole on one end surface of a lock body incorporating a locking mechanism, a cylindrical opening on the other end surface, and a wire on the side surface of the lock body. In the wire lock that connects the fixed ends and inserts the pseudo-jewel-shaped lock rod body provided at the free end of the wire into the opening of the lock body to lock the lock mechanism, in the opening of the lock body, A steel ball is fitted into a pair of holes formed on both sides and formed in a bottomed cylindrical shape, and a window hole is provided inside on both sides orthogonal to the pair of holes, and the pseudo jewel part of the above-mentioned lock casing is fitted The cylindrical body to be joined is fixed, and a spring receiver with a flange that is slidably fitted into the window hole of the cylindrical body and a spring for loading supported on the bottom of the cylindrical body are fitted, A coil spring is attached to the inner end of the locking mechanism, and the spring is always rotated in the locking direction. A rotary lever that fits the angular shaft of the inner end of the locking mechanism and forms the inner end into a bifurcated piece opposed in the diameter direction, and covers the hole for fitting the steel ball of the cylindrical body with the bifurcated piece And the rotating lever is urged by the coil spring, and in the locked state, the steel ball that fits in the circumferential groove of the pseudo jewel portion of the lock rod body is restrained on the inner surface of the bifurcated piece. Preventing the escape of the phantom jewel part, when unlocking, by engaging the recess of the inner side surface of the bifurcated piece against the bias of the coil spring by the rotation operation of the key inserted into the key hole, A wire lock is provided in which the circumferential groove is removed and the lock spring and the spring receiver are urged to escape the lock housing from the opening of the lock body.

The wire lock according to the present invention uses a steel ball as a member that prevents the false jewel-shaped lock collar from retreating and maintains the locked state, so that the operation of the locking mechanism during the unlocking operation and the locking operation is smooth. is there.
The locking operation of the wire lock according to the present invention can be performed by a one-touch operation in which a pseudo-jewel-shaped lock rod portion is inserted into an opening portion that is greatly opened in the end surface portion of the lock body. The unlocking operation is a simple operation in which the key is inserted into the key hole facing the other end of the lock body and slightly rotated in one direction. The lock lever is biased by the internal spring and spring receiver and moved out of the opening. The steel ball, which has been kept locked, is prevented from popping out by the side surface of the spring receiver that moves forward in the window hole in place of the pseudo jewel, and waits for the next locking operation.

The wire lock according to the present invention faces the keyhole on one end surface of the lock body incorporating the locking mechanism, provides a cylindrical opening on the other end surface, and connects the fixed end of the wire to the side surface of the lock body, In the wire lock in which the pseudo-jewel-shaped lock rod provided on the free end of the wire is inserted into the opening of the lock body and locked to the locking mechanism,
In the opening of the lock body, a steel ball is fitted into a pair of holes formed on both sides formed in a bottomed cylindrical shape, and inside the window holes are provided on both sides orthogonal to the pair of holes, The cylindrical body that fits the pseudo-jewel part of the lock housing is fixed.
A flanged spring receiver that is slidably fitted into the window hole of the cylindrical body and a spring for protrusion supported on the bottom of the cylindrical body are fitted.
The inner end of the locking mechanism is a coil spring, and the spring is always urged to rotate in the locking direction, the angular axis of the inner end of the locking mechanism is fitted, and the inner end is formed into a bifurcated piece opposed in the diametrical direction. Then, a rotating lever that covers the hole for fitting the steel ball of the cylindrical body is fitted with the forked piece.
In the locked state, the inner surface of the bifurcated piece of the rotating lever urged by the coil spring inhibits the steel ball fitted in the circumferential groove of the pseudo jewel portion of the lock housing, thereby preventing the pseudo jewel portion from escaping.
When unlocking, by rotating the key inserted in the key hole, the inner groove of the fork piece is engaged against the bias of the coil spring to disengage the peripheral groove of the pseudo jewel part from the steel ball, The wire lock is configured to be biased by a spring for spring and a spring receiver so that the lock housing is protruded outside the opening of the lock body.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view of the embodiment,
2 is a partially cutaway side view of the locked state,
3 is a left side view of the above,
FIG. 4 is a partially cutaway side view showing the unlocked state of the embodiment,
FIG. 5 is the left side surface of the same partially cutout.

In the figure, A is a lock body, B is a wire, and C is a key.
The lock body A incorporates a locking mechanism 1, has a key hole 2 facing one end surface (the right end in the figure), a cylindrical opening 3 is provided on the other end surface, and the wire B is a substantially central portion of the lock body A. The fixed end B ′ is connected to the side surface of the first and second pin hinges 4, and the pseudo-jewel-shaped lock case 5 is connected to the free end of the other end via the pin hinge 4.

In the opening 3 of the lock body A, as shown in FIG. 1, steel balls 7 are respectively fitted into a pair of circular holes 6 formed in a bottomed cylindrical shape and provided on both sides, Window holes 8 are provided on both sides orthogonal to the pair of circular holes 6 to fix the cylindrical body 10 into which the pseudo jewel portion 9 of the lock housing 5 is fitted.
The cylindrical body 10 is slidably fitted with a flanged spring receiver 11 inside the window hole 8, and is supported by the spring receiver 11 and the bottom portion, and a spring 21 for protrusion is fitted.

The lock body A is provided with a coil spring 13 at the inner end (left end in the figure) of the locking mechanism 1 and a corner provided at the center of the bottom by being constantly urged to rotate in the locking direction (clockwise in FIG. 1) by the spring 13. A rectangular shaft 15 at the inner end of the locking mechanism 1 is fitted into the hole 14, and a bottomed cylindrical rotary lever 16 having bifurcated pieces a and b opposed to the inner end in the diametrical direction is rotatably fitted. ing.
The bifurcated pieces a and b of the rotating lever 16 are fitted to the outside of the cylindrical body 10 and cover the hole 6 for fitting the steel ball of the cylindrical body 10.

2 and 3, the pseudo jewel portion 9 of the lock housing 5 inserted into the opening 3 of the lock body A causes the flanged spring receiver 11 to resist the spring 21 by the insertion operation. Push in. With the insertion of the pseudo jewel portion 9 and the retraction of the spring receiver 11, the rotating lever 16 rotates clockwise by the bias of the coil spring 13 to reach the locked position, while the steel ball 7 is moved to the pseudo jewel portion 9 as shown in FIG. Is pushed into the circumferential groove 9 '.
That is, the rotation lever 16 suppresses the steel ball 7 fitted to the circumferential groove 9 ′ of the pseudo jewel portion 9 of the lock casing 5 from the outside on the inner surface of the bifurcated pieces a and b by rotation in the locking direction. The escape of the lock housing 5 is prevented, and the locked state is maintained. In the locked state, the key C can be removed from the keyhole so that it can be carried in the same manner as in the case of a normal wire lock.

In the locked state shown in FIG. 2, when the key C is turned clockwise slightly against the bias of the coil spring 13 (see FIG. 3), the rotary lever 16 that has restrained the steel ball 7 from the outside is also in the same direction. As shown in FIG. 4, the recesses 16 ′ provided on the inner side surfaces of the forked pieces a and b are replaced with the fitting positions of the steel balls 7 to release the restraint.
As the steel ball 7 is restrained and released, the urging portion 21 of the lock housing 5 is biased by the spring 21 and pushed out by the flanged spring receiver 11 and jumps out of the opening 3.
In place of this pseudo-jewel portion 9 being pulled out, the steel ball 7 does not come out of the hole 6 by contacting the side surface of the spring receiver 11, and then the pseudo-jewel portion 9 of the lock housing 5 is inserted. Waiting for that.

In the figure, reference numeral 17 denotes a halved resin cover that covers the pin hinge 4 portion of the lock housing 5, 18 and 19 denote the same resin covers that are elastically fitted to the front and back of the lock body A, and 20 denotes the lock body. A is a pin for locking the locking mechanism 1 to A. In this embodiment, a known cylinder locking mechanism is used for the locking mechanism 1, a dimple key is used for the key C, and the coil spring 13 for urging the rotation lever 16 in the locking direction is connected to the locking mechanism 1 at one end. The end is hooked on the end surface of the rotary lever 16.

Although the wire lock which concerns on this invention is mainly used for bicycles, the use is not restricted to two-wheeled vehicles.

It is a disassembled perspective view of an Example. It is a partially cutaway side view of the locked state. It is a left view same as the above. It is a partially notched side view which shows the unlocking state of an Example. This is the left side of the same cutout.

Explanation of symbols

A Lock body B Wire (B 'fixed end)
C key 1 locking mechanism 2 key hole 3 opening 4 hinge pin 5 lock housing 6 hole 7 steel ball 8 window hole 9 pseudo jewel part (9 'circumferential groove)
DESCRIPTION OF SYMBOLS 10 Cylindrical body 11 Elastic clamping part 12 Spring receiver with a flange 13 Coil spring 14 Square hole 15 Square axis 16 Rotation lever (16 'recessed part)
17, 18 Cover 19 Cover 20 Pin 21 Spring for protrusion

Claims (1)

A lock hole is provided on one end face of the lock body, a cylindrical opening is provided on the other end face, a fixed end of the wire is connected to the side face of the lock body, and a free end of the wire is provided. In a wire lock in which a pseudo-jewel-shaped lock casing is inserted into the opening of the lock body and locked by the locking mechanism, a pair of bottom-shaped cylinders formed in the opening of the lock body are provided on both sides. A steel ball is fitted into each of the holes, and window holes are provided on both sides orthogonal to the pair of holes, and a cylindrical body that fits the pseudo jewel portion of the lock body is fixed, and the window of the cylindrical body is fixed. A flanged spring receiver that is slidably fitted into the hole and a spring for loading supported at the bottom of the cylindrical body are fitted, while a coil spring is attached to the inner end of the locking mechanism, Always being urged to rotate in the locking direction, the inner shaft of the locking mechanism is fitted, An end is formed in a forked piece opposed in the diameter direction, a rotating lever covering the hole for fitting the steel ball of the cylindrical body is fitted with the forked piece, and the rotating lever is biased to the coil spring, In the locked state, the steel ball that fits in the circumferential groove of the pseudo jewel portion of the lock housing is restrained on the inner surface of the bifurcated piece to prevent the pseudo jewel portion from escaping, and is inserted into the keyhole when unlocking. By rotating the key, the concave portion on the inner surface of the bifurcated piece is engaged against the bias of the coil spring to disengage the circumferential groove from the steel ball, and is attached to the spring for spring and the spring receiver. A wire lock configured so that the lock housing is allowed to escape from the opening of the lock body.

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