JP2010160974A - Cable device with lock key - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cable device with a lock key in a simple structure and with user-friendliness. <P>SOLUTION: The cable device with the lock key includes a base body 3 holding a contact 2 coupled with an end part of a cable 1, a locking body 5 loaded on the base body 3 to be engaged with and disengaged from a locked part 4 formed at a connection counterpart of the cable 1, and a dial lock part 7 enabling movement operation of the locking body 5 from a locking position to a lock-release position at an unlocked state with an adequate number of dials 6 loaded in free rotation on the base body 3 rotated at a given rotating position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lockable cable device with lock.

  The thing of patent document 1 is known as a cable which attached the locking device in order to prevent the extraction operation during charge. In this conventional example, a charger-side connector having a sleeve on the outer periphery is fixed to the tip of the charging cable. The sleeve is provided with an engaging pin that locks into the spiral groove of the vehicle-side connector. After inserting the charger-side connector into the vehicle-side connector and rotating the sleeve, the charger-side connector is inserted into the spiral groove. The vehicle is called in the direction of the connector by the generated component force, and the connection is completed.

  The locking device is arranged inside the charger-side connector and is composed of a cylinder lock that is rotated by an ignition key or an actuator that operates on the condition that authentication for a password is established, and restricts the return rotation of the sleeve in the locked state. To regulate the removal of the charger side connector.

JP-A-6-310207

  However, in the above-described conventional example, in the case of using a cylinder lock, it is usually manufactured by preparing and incorporating a cylinder lock that matches an ignition key prepared as a set with another cylinder lock such as a door lock. Resulting in reduced efficiency.

  This problem can be solved by using a cylinder lock that uses a key unrelated to the ignition key as the unlock key. In this case, however, the unlock key needs to be managed, and the handling becomes troublesome.

  On the other hand, when an authentication device using a personal identification number or the like is used, there is no problem as described above, but there is a drawback that the structure is complicated because a drive power supply is required.

  The present invention has been made to eliminate the above-described drawbacks, and an object of the present invention is to provide a cable device with a lock that has a simple structure and good usability. Another object of the present invention is to provide a plug locking device that can be used in the cable device with a lock.

According to the present invention, the object is
A base body 3 holding a contact 2 connected to the end of the cable 1;
A lock body 5 that is attached to the base body 3 and engages / disengages with a locked portion 4 formed on a connection partner of the cable 1;
A dial lock that allows the lock body 5 to be moved from the locked position to the unlocked position in an unlocked state in which an appropriate number of dials 6 that are rotatably mounted on the base body 3 are rotated to a predetermined rotational position. Part 7;
This is achieved by providing a cable device with a lock.

  In a locked state, the cable device with a lock restricts the disengagement operation by locking the lock body 5 to the locked portion 4 formed on the connection partner of the cable device such as a connector so that the lock body 5 cannot be released. The lock release operation with respect to the lock body 5 can be performed by rotating it by a predetermined angle.

  In the present invention in which the dial lock portion is used as the locking / unlocking means, the locking / unlocking operation can be performed only by the dial operation, and it is not necessary to prepare an unlocking key. Not to simplify the structure.

Dial lock 7
A restraining body 9 that is provided with a stopper 8 and is movable in the cable length direction between the locking and unlocking positions, and restricts the movement of the lock body 5 to the unlocking position at the locking position;
A stopper insertion portion 10 that is formed on the dial 6 and allows the stopper 8 to pass when the dial 6 rotates to a predetermined rotational position can be configured.
In this case, if the restraint body constitutes a cable device with a lock that abuts against the connection target at the locking position and restricts reaching the connection position with the contact to be connected to the outlet 13 or the like by a person who does not have use authority. Can be regulated.

When the cable device with a lock is configured as a plug 11 used by connecting to an outlet 13,
A plug locking device attached to a plug 11 fixed to an end of a cable 1,
A pair of split cases 12 that sandwich the plug 11 to form the base body 3;
A lock body 5 that is held at the front end of the base body 3 and engages and disengages from the outlet 13;
A restraining body 9 which is externally fitted to the base body 3 and can be moved back and forth between a locking position and an unlocking position, and restricts the movement of the locking body 5 to the locking release position at the locking position;
A dial 6 that is externally fitted to the base body 3 so as to be idled and allows the restraint body 9 to move to the unlocked position only when the rotation angle is a predetermined angle;
A bottom wall member 14 fixed to the base body 3 and restricting the rearward release of the dial 6;
A plug locking device having the following can be used.

  If comprised in this way, it can mount | wear with the commercially available plug 11 and can add a locking function easily.

  According to the present invention, since the locking / unlocking operation can be performed only by the dial operation, the usability is improved and the structure can be simplified.

It is a figure which shows this invention, (a) is a side view, (b) is a front view. It is a figure which shows an unlocking state, (a) is sectional drawing, (b) is the 2B-2B sectional view taken on the line of (a). It is a figure which shows a locked state, (a) is sectional drawing, (b) is sectional drawing corresponding to FIG.2 (b).

  An embodiment of the present invention is shown in FIG. In this embodiment, the cable device with a lock is formed by attaching a plug lock device to a commercially available plug 11 fixed to the end of the cable 1, and is connected to an outlet 13 to which the cable device with the lock is connected. The connection assisting tool 15 is arranged.

  The connection assisting tool 15 is formed by projecting a connection cylinder portion 15b at the center of the fixing flange 15a, and is fixed to the outlet 13 or the wall surface of the house by the fixing flange 15a. The connecting cylinder portion 15b is disposed so as to surround the plug insertion opening 13a of the outlet 13, and the locked portion 4 is formed by recessing the outer peripheral wall into a hemispherical shape. In FIGS. 2 and 3, the contact disposed in the outlet 13 is not shown.

  Reference numeral 12 denotes a split case that forms the base body 3 by sandwiching the plug 11 and the vicinity of the connecting portion of the cable 1 from the left and right, and a fitting protrusion 3a that can be fitted to the connecting cylinder portion 15b protrudes from the front end. Established. The base body 3 is provided with a lock holding cylinder 3b protruding so as to surround the fitting protrusion 3a, and the connecting cylinder 15b can be fitted between the fitting protrusion 3a and the lock holding cylinder 3b. A fitting space 3c is formed.

  Further, the lock holding cylinder 3b is formed with a lock holding portion 3d in which the lock body 5 is movably held between the engagement and disengagement positions. In this embodiment in which the lock body 5 is formed of a spherical body, the lock holding portion 3d is formed as a hole that holds the lock body 5 while preventing the lock body 5 from dropping into the fitting space 3c.

  As shown in FIG. 1B, a plurality (six in the present embodiment) of the lock bodies 5 are arranged in the circumferential direction of the base body 3 at appropriate intervals. As shown in the upper half of FIG. 2 (a), each lock body 5 has a locking position protruding into the fitting space 3c, and from the fitting space 3c as shown in the lower half of FIG. 2 (a). It is possible to move between the retracted lock release positions.

  The locked portion 4 formed on the connection aid 15 is disposed at a position corresponding to each of the lock bodies 5 and is shown in FIG. 3 in a state in which the fitting protrusion 3a is fitted to the connecting cylinder portion 15b. As described above, the lock body 5 is locked to the locked portion 4 by moving to the locking position.

  In the present embodiment, the case where the lock body 5 is formed of a sphere is shown. However, the lock body 5 can be appropriately deformed, for example, formed into a lever shape having a hook portion at the tip, and the lever shape is In the case of forming, the lock holding portion 3d is formed as a hinge that pivotally supports the lever, and the locked portion 4 is formed as a recess that engages and disengages the hook portion of the lever.

  In order to hold the lock body 5 in the locked position in the locked state, a dial lock portion 7 is attached to the base body 3. The dial lock portion 7 includes a restraining body 9 that is externally fitted to the base body 3 and a dial 6.

  The restraint body 9 is externally fitted to the lock holding cylinder 3b, and is moved between the unlocked position shown in FIG. 2 and the locked position moved forward from the unlocked position as shown in FIG. In order to restrict the detachment of the restraining body 9 to the front, a retaining ring 16 is attached to the lock holding cylinder 3b.

  The restraining body 9 is urged to the locking position side by the compression spring 17, and the restraining body 9 is shown in FIG. 3 (a) in a state where the fitting protrusion 3a is fitted to the connecting cylinder portion 15b. Furthermore, the locked state is held by the urging force, and the movement of the lock body 5 to the locking release position is restricted.

  Further, a lock body retracting recess 9a that allows the lock body 5 to move to the unlocking position is formed on the inner peripheral wall surface of the front end portion of the restraint body 9, and as shown in FIG. When the compression spring 17 is slid to the unlocked position against the urging force of the compression spring 17, a retreat place for the lock body 5 is provided.

  As shown in FIG. 2, an appropriate number of the dials 6 (four in the present embodiment) are arranged behind the restraining body 9 in the axial direction. A bottom wall member 14 is fixed to the rear end of the base body 3 in order to prevent the dial 6 that is inserted from the rear end of the base body 3 from being attached to the rear.

  As shown in FIG. 1A, the outer peripheral wall surface of each dial 6 is provided with a code for the user to know the rotational position. Further, a predetermined boundary is provided at the rotational boundary portion of the dial 6 with the base body 3. A click mechanism 18 is provided for giving the dial 6 a sense of moderation at the pitch angle.

  As shown in FIG. 2B, the click mechanism 18 includes a number of click recesses 18 a that match the number of codes formed on the inner peripheral wall surface of each dial 6, and a click pin 18 b that is disposed on the base body 3. Have The click pin 18b is urged in the protruding direction by the compression spring 18c, and when the dial 6 is rotated to a predetermined click applying angle, the click pin 18b falls into the click recess 18a to give a click feeling.

  Furthermore, a stopper rod 19 that is long in the axial length direction is disposed at the rotational boundary between the dial 6 and the base body 3. A compression spring 20 is interposed between the stopper rod 19 and the bottom wall member 14 to urge the stopper rod 19 forward. Further, a connecting pin 21 is provided at the front end of the stopper rod 19 so as to contact the rear end surface of the restraining body 9 and to transmit a backward operation force to the restraining body 9.

  The stopper rod 19 bulges at a pitch that matches the pitch of the dial 6, and the stopper insertion portion 10 is cut out at one place on the inner peripheral wall of the dial 6.

  As shown in FIG. 3B, since the stopper insertion portion 10 does not correspond to the stopper 8 in the locked state, the backward movement of the stopper rod 19 is restricted, and as a result, the restraining body 9 is held in the locked position. Thus, the movement of the lock body 5 to the locking release position is restricted. As shown in FIG. 2 (b), when the dial 6 is rotated to a predetermined rotational position from this state, the stopper 8 and the stopper insertion portion 10 coincide with each other, and the stopper rod 19 can be moved backward. Become.

  Therefore, in this embodiment, in the locked state, the lock body 5 is restricted by the restraint body 9 from moving to the unlocking position, and further, the restraint body 9 is restricted from moving from the lock position by the dial 6. The cable 1 cannot be removed from the outlet 13. In addition, if the dial lock portion 7 is locked in a state where it is not attached to the outlet 13, the restraint body 9 interferes and the contact 2 cannot move to the connection position connected to the contact 2 on the outlet 13 side. In addition, it becomes impossible to use the cable 1 by a person who does not have the use authority.

  In this state, when the dial lock portion 7 is unlocked and the restraining body 9 is further retracted, the lock body 5 can be moved to the unlocking position. In this state, when the pulling force is applied, 5 is moved to the unlocking position by the component force received from the locked state and is removed from the outlet 13.

DESCRIPTION OF SYMBOLS 1 Cable 2 Contact 3 Base body 4 Locked part 5 Lock body 6 Dial 7 Dial lock part 8 Stopper 9 Restraint body 10 Stopper insertion part 11 Plug 12 Split case 13 Outlet 14 Bottom wall member

Claims (5)

A base body holding a contact connected to the end of the cable;
A lock body that is attached to the base body and is engaged with and disengaged from the locked portion formed on the connection partner of the cable;
A dial lock portion that allows the lock body to be moved from the lock position to the lock release position in an unlocked state in which an appropriate number of dials that are rotatably mounted on the base body are rotated to a predetermined rotation position;
A cable device with a lock. The dial lock is
A restraint body that is provided with a stopper and is movable between the locking and unlocking positions in the cable length direction, and restricts movement of the lock body to the locking release position at the locking position;
A stopper insertion portion formed on the dial and allowing the stopper to pass when the dial rotates to a predetermined rotational position;
The cable device with a lock according to claim 1.   The cable device with a lock according to claim 2, wherein the restraining body abuts against a connection target at a locked position and restricts the arrival at the connection position with the connection target contact.   The cable device with a lock according to claim 1 or 2, wherein the dial is wound around an outer periphery of a base body. A plug locking device attached to a plug fixed to an end of a cable,
A pair of split cases that sandwich the plug to form a base body;
A lock body that is held at the front end of the base body and engages / disengages from the outlet
A restraint body that is externally fitted to the base body and can be moved back and forth between a locked position and an unlocked position, and restricts the movement of the lock body to the unlocking position at the locked position;
A dial that is externally fitted to the base body so as to be able to idle, and allows the movement of the restraint to the unlocked position only at a predetermined rotation angle;
A bottom wall member that is fixed to the base body and regulates the rearward release of the dial;
A locking device for a plug.

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