JP2006016796A - Locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device capable of locking an optional moveable body later on without applying any mounting and work of another member and realizing the simplification of locking functional addition by providing the locking device. <P>SOLUTION: The locking device 100 includes a paper tablet shaped slide plate A having a hook-like bending section 11 on one end in the longitudinal direction and arranging side by side a plurality of interlocking section 13 in the longitudinal direction, a block-shaped body B wherein a holding groove 19 inserting the slide plate A from the other end in the longitudinal direction is formed and a cylinder lock C enabling a latch 47 to retreat from the holding groove 19 by the rotation of a duplicate key 41 inserted in an inner cylinder 37 while preventing the slide plate A from being come off by interlocking with the interlocking section 13 of the slide plate A inserted in the holding groove 19 by projecting the latch 47 projected to the radial outside from an outer cylinder 39 fixed to the body B. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a locking device that locks a movable body such as a drawer or a door to a housing or a frame body such as a desk or a side desk so as not to be opened.

  In office desks such as offices and side desks, it is preferable that the drawer is provided with a locking function for security purposes. In addition, there is a case where it is preferable that a lock function is added to a furniture drawer or a learning desk at home because of a demand for privacy protection or the like. In addition, a door that was not equipped with a locking device due to the fact that security was not so much needed, and storage fixtures such as lockers, etc. would require a simple locking function later for privacy protection and security. There was also a case.

  However, in order to install a locking device later on drawers such as doors and desks, a cylinder lock must be assembled and a lock locking structure must be added, and it is not easy to add a new locking function. It was. In addition, in the desk or side desk as described above, for example, a key hole is provided on the front surface of one of the drawers, and a saddle member is provided between all the drawers and the housing of the desk. Some drawers are equipped with a simple locking mechanism that prevents the opening of all drawers to the housing by operating. However, if one drawer is unlocked, all drawers will be unlocked. When used by multiple people, it was not an effective locking mechanism.

  The present invention has been made in view of the above situation, and provides a locking device that can lock any movable body later without attaching or processing other members, and simplifying the addition of a locking function. It aims to plan.

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The locking device according to claim 1 of the present invention is a strip-like slide plate A having a hook-shaped bent portion 11 at one end in the longitudinal direction and a plurality of engaging portions 13 arranged in the longitudinal direction,
A block-shaped main body B formed with a holding groove 19 for inserting the slide plate A from the other longitudinal end;
A latch 47 that is fixed to the main body B and protrudes radially outward from the outer cylinder 39 protrudes into the holding groove 19 and is engaged with the engaging portion 13 of the slide plate A inserted into the holding groove 19. A cylinder lock C that prevents the slide plate A from being pulled out and allows the latch 47 to be retracted from the holding groove 19 by the rotation of the key 41 inserted into the inner cylinder 37;
It is characterized by comprising.

  In this locking device 100, the hook-shaped bent portion 11 is locked to the frame body 65, the slide plate A is inserted into the gap between the door 69 and the frame body 65, which are movable bodies, and the slide plate A protruding from the gap. The main body B is inserted into the other end of the door, and the latch 47 restricts the slide plate A and the main body B from being pulled out, so that the main body B integrally fixed with the slide plate A locked to the frame body 65 is The opening of the door (movable body) 69 is prevented by being brought into contact with the opening side front surface of the (movable body) 69.

  The locking device 100 according to claim 2 is characterized in that the slide plate A and the main body B are connected by a flexible long body 21 having a predetermined length.

  In this locking device 100, the slide plate A and the main body B are connected by a flexible long body, for example, a wire 21, and the loss of either the slide plate A or the main body B is prevented. Further, if the wire 21 connected to the slide plate A is inserted into the wheel 63 of the bicycle 61, and is further wound around the pillar and locked to the main body B, the bicycle 61 and the pillar are connected in a loop shape. Connected at 21.

  According to the locking device of the first aspect of the present invention, a slide plate having a hook-like bent portion at one end and a plurality of engaging portions arranged in the longitudinal direction, and a holding groove for inserting the slide plate are formed. A block-shaped main body, and a cylinder lock fixed to the main body and locking the latch to the locking portion of the slide plate to prevent removal, while allowing the latch to be retracted from the holding groove by rotation of the inserted key The hook-shaped bent portion is locked to, for example, a strike of the frame body, and the slide plate is inserted into the gap between the movable body door, drawer, etc. and the frame body. By inserting the main body into the other end and restricting the slide plate and the main body from being pulled out by the latch, the main body fixed integrally with the slide plate locked to the strike is brought into contact with the front side of the door or other open side. Can prevent the door from opening That. Moreover, what is called a one-door-to-lock is realizable with respect to the door provided with the locking device. This makes it possible to easily add a locking function to a desk or side desk drawer, door, or the like that is not provided with a locking device without attaching other members or performing new processing.

  According to the locking device of the second aspect, since the slide plate and the main body are connected by the flexible long body having a predetermined length, the loss of either the slide plate or the main body can be prevented. In addition to this, if the flexible long body connected to the slide plate is inserted into the bicycle wheel, etc., wrapped around the pillar, etc., and inserted into the main body and locked, the bicycle and the pillar become a loop-like flexibility. Can be tied with a long body.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a locking device according to the present invention will be described in detail with reference to the drawings.
1 is an exploded perspective view of the locking device according to the present invention, FIG. 2 is a perspective view of the cylinder lock shown in FIG. 1 viewed from the opposite side, and FIG. 3 is a slide plate insertion direction representing a fixing portion between the main body and the cylinder lock. 4 is a cross-sectional view in the direction orthogonal to FIG. 4, FIG. 4 is a cross-sectional view in the direction orthogonal to the slide plate insertion direction showing the engaging portion between the inner cylinder and the latch, and FIG.

The locking device 100 according to the present embodiment is generally composed of a slide plate A, a main body B, and a cylinder lock C.
In the slide plate A, for example, a hook-shaped bent portion 11 is formed at one end in the longitudinal direction of a metal plate formed in a strip shape. In the present embodiment, as shown in FIG. 1, the hook-shaped bent portion 11 is formed in an L shape, but may be formed in a U shape or the like. On at least one surface of the slide plate A, a plurality of locking portions 13 are provided side by side in the longitudinal direction, and the locking portions 13 can be irregularities that are locked by latches described later. Note that the locking portion 13 may be a through hole penetrating the slide plate A.

  The main body B is formed in a block shape in which a flange portion 15 is provided on one end side in the axial direction of the semi-elliptical cylinder. A cylinder lock receiving hole 17 is formed in the main body B in the axial direction, and the cylinder lock receiving hole 17 exposes the surface of the cylinder lock C and accommodates most of it. A holding groove 19 is formed on the upper surface side of the main body B in a direction along the axial direction, and the holding groove 19 penetrates the main body B in a direction along the axial line. The slide plate A can be inserted into the holding groove 19.

The flange portion 15 of the main body B and the slide plate A are connected by a wire 21 as a flexible long body having a predetermined length. The wire 21 is engaged with the other end of the slide plate A via a stop ring 23. A slit 25 is formed on the upper surface of the main body B to avoid interference with the retaining ring 23 when the slide plate A is inserted into the holding groove 19. That is, the slit 25 and the holding groove 19 form a deep dovetail shape as shown in FIGS.
The length of the wire 21 is set to such an extent that, for example, a bicycle wheel is wound around a nearby pillar or the like. In addition, as a flexible long body, you may comprise with a chain, a rope, a string, etc. other than the said wire 21. FIG.

  A pair of screw holes 27, 27 are formed on the upper surface of the main body B across the slit 25, and the screw holes 27, 27 are separated by a distance smaller than the diameter of the cylinder lock receiving hole 17. On the other hand, as shown in FIG. 3, a pair of fixing grooves 29 and 29 are formed in the cylinder lock C at the same interval as the interval between the screw holes 27 and 27. Accordingly, the cylinder lock C is inserted into the cylinder lock receiving hole 17, and the fixing screws 31, 31 are screwed into the screw holes 27, 27, so that the fixing screws 31, 31 enter the fixing grooves 29, 29. Then, dropping from the cylinder lock receiving hole 17 and relative rotation are restricted, and it is fixedly attached to the main body B.

  The cylinder lock C has an inner cylinder 37 and an outer cylinder 39, and a key 41 can be inserted into and removed from the inner cylinder 37. In the cylinder lock C, by inserting the key 41, a plurality of shear pins (not shown) arranged between the inner cylinder 37 and the outer cylinder 39 cause the shear line to coincide with the boundary between the inner cylinder and the inner cylinder. 37 can rotate with respect to the outer cylinder 39. That is, unlocking is possible.

  On the rear surface of the inner cylinder 37, an eccentric protrusion 43 is projected at a position eccentric from the axis shown in FIG. Further, a diametrical groove 45 is formed with a predetermined width on the rear end surface of the outer cylinder 39, and a latch 47 is slidably disposed in the diametrical direction in the groove 45. A compression spring 49 is disposed between the outer cylinder 39 and the latch 47, and the compression spring 49 biases the latch 47 in a direction in which the leading end of the latch protrudes from the outer cylinder 39.

  Further, an unlocking notch 51 is formed in the latch 47, and the eccentric protrusion 43 of the inner cylinder 37 is engaged with the unlocking notch 51. In the cylinder lock C, when the inner cylinder 37 is unlocked, the eccentric protrusion 43 rotates, and the unlocking notch 51 is pressed by the rotating eccentric protrusion 43, so that the compression spring 49 is attached. The front end of the latch is retracted radially inward from the outer periphery of the outer cylinder 39 against the force.

  As shown in FIG. 4, the cylinder lock C has a latch 47 projecting outward in the radial direction of the outer cylinder 39 projecting into the retaining groove 19 and is latched to the retaining portion 13 of the slide plate A inserted into the retaining groove 19. Then, the slide plate A is prevented from being pulled out (locked). Further, as shown in FIG. 5, the cylinder lock C can retreat the latch 47 from the holding groove 19 by the rotation of the key 41 inserted into the inner cylinder 37, that is, the lock of the slide plate A can be released.

The operation of the locking device configured as described above will be described.
FIG. 6 is a perspective view of a bicycle with wheels connected by the locking device according to the present invention.
In the locking device 100, the slide plate A extracted from the main body B is passed through the wheel 63 of the bicycle 61, for example. Next, the slide plate A inserted through the wheel 63 is inserted into the holding groove 19 of the main body B.

When the slide plate A is inserted into the main body B, the latch 47 is pushed down against the urging force of the compression spring 49 and the insertion of the slide plate A is stopped. By locking, the removal of the slide plate A is regulated. As a result, the looped wire 21 is hung around the wheel 63, and the bicycle 61 can be prevented from being stolen. Moreover, in this locking device 100, since the slide plate A and the main body B are connected by the wire 21, the loss of either the slide plate A or the main body B is prevented.
In addition, the wheel 63 and the pillar (not shown) are inserted by inserting the slide plate A into the holding groove 19 of the main body B so that the wire 21 looped around the wheel 63 is hung around a pillar (not shown) nearby. It is also possible to prevent the bicycle 61 from being stolen by being connected to the looped wire 21.

Next, another usage example of the locking device 100 according to the present invention will be described.
FIG. 7 is a perspective view of the locking device in which the slide plate is locked to the strike, and FIG. 8 is a perspective view of the locking device in which the main body is inserted and locked to the slide plate locked to the strike.
The locking device 100 uses a looped wire 21 and has a locking function for restricting opening and closing of doors and drawers in addition to a theft prevention function by connecting a movable body such as a bicycle 61.
In this case, as shown in FIG. 7, the hook-shaped bent portion 11 is locked to the strike 67 of the frame body 65, and the slide plate A is inserted into the gap between the door 69 and the frame body 65 that are movable bodies. Then, the holding groove 19 of the main body B is inserted into the other end of the slide plate A protruding from the gap. Then, the latch 47 restricts the slide plate A and the main body B from being pulled out, so that the main body B fixed integrally with the slide plate A locked to the frame body 65 is attached to the door 69 as shown in FIG. The door 69 is prevented from opening by being brought into contact with the front surface of the opening side.

  Therefore, according to the locking device 100, the slide plate A having the hook-shaped bent portion 11 at one end and the plurality of locking portions 13 arranged in the longitudinal direction and the holding groove 19 into which the slide plate A is inserted are formed. The block-shaped main body B and the latch 47 fixed to the main body B are locked to the locking portion 13 of the slide plate A to prevent removal, while the latch 47 is held by the holding groove 19 by the rotation of the inserted key 41. And the cylinder lock C that can be retracted from the frame 65 so that the hook-shaped bent portion 11 is locked to the strike 67 of the frame body 65, for example, in the gap between the movable body, for example, the door 69 or the drawer, and the frame body 65. The slide plate A is inserted, the main body B is inserted into the other end of the slide plate A protruding from the gap, and the latch 47 restricts the slide plate A and the main body B from being pulled out. Integrated with plate A The constant has been the main B, it is possible to prevent the opening is brought into contact with the open side front of the doors 69. Moreover, what is called a one-door-to-lock is realizable with respect to the door 69 in which the locking device 100 is provided. This makes it possible to easily add a locking function to a desk or side desk drawer, door 69, etc., where the locking device 100 is not provided, without attaching other members or performing new processing.

  Furthermore, this is effective when it is desired to lock any one of a plurality of movable bodies such as drawers and locker doors later, and a plurality of drawers can be used individually. For example, even if it is a side table for hospitalized patients provided in a hospital room, the user can easily add a locking function by using the above-mentioned locking device 100 (which can be either equipment or private items), and hospitalization. This makes it possible to easily manage valuables inside. In addition, when a desk in the office is temporarily lent to another person, the person can be managed to manage the drawer of the desk. Furthermore, it is possible to easily add a locking function to a drawer provided in furniture or a desk in the home. In the case of targeting such a drawer, it is possible to cope by changing the shape of the hook-shaped bent portion 11 to be locked to the frame side. For example, the hook-shaped bent portion 11 has a U-shape or the like. The above effect can be obtained by adopting a configuration of locking.

  When the locking device 100 is used for locking doors 69, drawers and the like, the flexible long body 21 such as a wire is not necessarily an essential component.

It is an exploded perspective view of the locking device concerning the present invention. It is the perspective view which looked at the cylinder lock shown in FIG. 1 from the other side. It is sectional drawing of a direction orthogonal to the slide board insertion direction showing the fixing | fixed part of a main body and a cylinder lock. It is sectional drawing of a direction orthogonal to the slide plate insertion direction showing the engaging part of an inner cylinder and a latch. FIG. 5 is a cross-sectional view illustrating a latch retracted state of FIG. 4. 1 is a perspective view of a bicycle with wheels connected by a locking device according to the present invention. It is a perspective view of the locking device which locked the slide plate to the strike. It is a perspective view of the locking device by which the main body was inserted and locked to the slide plate latched by the strike.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Hook-shaped bending part 13 ... Locking part 19 ... Holding groove 21 ... Flexible long body (wire)
37 ... Inner cylinder 39 ... Outer cylinder 41 ... Joint key 47 ... Latch 100 ... Locking device A ... Slide plate B ... Body C ... Cylinder lock

Claims (2)

A strip-shaped slide plate having a hook-shaped bent portion at one end in the longitudinal direction and a plurality of engaging portions arranged in the longitudinal direction;
A block-shaped main body formed with a holding groove for inserting the slide plate from the other longitudinal end;
A latch that is fixed to the main body and protrudes radially outward from the outer cylinder protrudes into the holding groove and is locked to the locking portion of the slide plate inserted into the holding groove to prevent the slide plate from being pulled out. On the other hand, a cylinder lock that allows the latch to be retracted from the holding groove by the rotation of the key inserted in the inner cylinder,
A locking device comprising:   The locking device according to claim 1, wherein the slide plate and the main body are connected by a flexible long body having a predetermined length.

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