JP2006314364A - Locking device for door and drawer of cupboard and furniture closet or the like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a small-sized and simple locking device which is useful for reducing disasters and can be installed even to existing furniture or the like while it is needed to take measures immediately in the present condition regarding that it cannot be predicted or foreknown when the Tokai or Tonankai earthquake will occur even though they are expected. <P>SOLUTION: For the present condition regarding that it cannot be predicted or foreknown when an earthquake or the like will occur, a structure or constitution, which is locked every time a door or a drawer is opened and closed, and the state of being locked at all times are preferable. The simple and small-sized locking device without requiring time and labor of performing locking repeatedly or the like, which can be attached to the existing furniture or the like afterward and easily installed without damaging the design and function of the furniture or the like is provided with the minimum number of components. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a lock device for preventing a door such as a cupboard, furniture, and a bag from being opened due to an earthquake or the like due to an earthquake or an impact, and a jump out of a drawer.

As in the literature described later, a conventional technique is known that has a structure and a configuration that operates only when it is generated by power such as a large shake, vibration, or shock caused by an earthquake or the like.

In addition, the door locks are known as opening / closing locks each time. However, most of the recent cupboards and drawers have their doors and the front panel of the drawers as if they were ancient. It is not the method of storing in the surface claw position inside, but the surface plate portion tends to protrude from the cupboard main body by the thickness of the surface plate portion.

However, considering the large shaking, vibration, and shock due to earthquakes, etc., the thickness of the front plate part from the cupboard body of the type that can prevent the doors from opening, drawers, etc. for cupboards, furniture, baskets, etc. There are no doors protruding so much, and no locking device for drawers.

JP-A-11-131888 JP-A-11-225836 JP-A-9-13773

Even if it is prepared for the anticipated Tokai and Tonankai earthquakes, it is desirable to know when and when it will come.

The locking device of the present invention is intended to prevent doors such as cupboards, furniture, baskets, etc. from being opened and pulled out due to large shaking, vibration, and shock due to the earthquake, etc.

Each time it is locked, there is no need to lock it again and there is no need for trouble.

In addition, the design and functions of cupboards, furniture, bags, etc. are not impaired,

A small locking device that can be retrofitted to existing cupboards, furniture, baskets, etc.

Even when the Tokai and Tonankai earthquakes are expected, it is possible to predict when and when it will come.

Therefore, the locking device of the present invention has a structure and structure that is locked each time the door and drawer are opened and closed, and does not require the trouble of re-locking,

In addition, the present invention provides a small locking device that can be easily installed with a locking device that can be retrofitted to the existing furniture or the like without losing the design and function of the furniture or the like, with a minimum number of parts.

The locking device of the present invention is a disaster mitigation measure that can be and must be done by individuals now and in an unpredictable situation, when and when an earthquake will occur.

The lock device of the present invention is intended to prevent doors such as cupboards, furniture, baskets, etc. from being shaken, vibrated or shocked by an earthquake, etc., and to prevent the drawers from popping out. Is automatically locked each time,

It is a structure and configuration that is locked within the range of unconscious opening and closing actions under normal circumstances, so that it does not need to be re-locked, does not require time, and forgets to lock.

Moreover, the locking device of the present invention is a simple small-sized locking device that can be easily installed and can be retrofitted to existing cupboards, furniture, baskets, and the like.

Small lock device for doors and drawers for new furniture, eaves, etc., with the lock device main body installed inside the front panel of the door and drawer, and a lock shaft extending from the lock device main body and the outside (furniture) , A lock device attached to a door, a handle for opening / closing a drawer, an operation knob, or an operation lever.

In addition, a small locking device that can be easily retrofitted to the existing furniture has been realized simply and with a minimum number of parts without impairing the design and function.

Hereinafter, an embodiment of the locking device of the present invention will be described with reference to the drawings. FIG. 5 (a) is a situation immediately before the drawer is mounted and attached to a tableboard protruding type drawer and the drawer is closed. (B) is a perspective view showing a position and a form in the case of attachment to the drawer (C) in the case of attachment to the drawer.

1 (a) is a front view of the lock device main body 26, and shows a state in which the head 17 of the lock shaft 5 and the hook shaft 12 are brought into contact with each other and meshed with each other. As shown in (b), the head 17 of the lock shaft 5 is cut out of a part of the disk 1/4.

On the other hand, the hook shaft 12 fitted in the hook shaft sliding groove 28 provided in the main body case 1 is basically a rectangular parallelepiped, and one of the hook shafts 12 is brought into contact with the notch portion of the head 17 of the lock shaft 5 to be locked. In order to move up and down by the rotation of the shaft 5, as shown in FIGS. 3 (a), (b), (c) and (d), a part thereof is L-shaped, while the tip of the hook shaft 12, the hook shaft The claw 13 has a cross section cut out of about 2/5 of the total thickness of the hook shaft. The outer frame and width of the hole space are secured.

Further, the L-shaped portion of the hook shaft 12 has a length equivalent to the diameter of the lock shaft head 17 so that the hook shaft 12 can be freely slid without affecting the lock shaft 5 when the door and the drawer are closed. The hook shaft 12 can be moved up and down, and can be locked every time the door and the drawer are closed.

By rotating the lock shaft 5 to the right from the handle (or lever) side (left rotation in the drawing), the L-shaped portion of the hook shaft 12 is moved upward by the rotation of the notch portion of the lock shaft head 17. It moves against the spring 3 and the hook shaft claw 13 is stored in the hook shaft sliding groove box 28.

As shown in FIG. 1A, the hook shaft 12 abuts and presses against both of the body case 1 and a spring 3 mounted between the L-shaped portion (hook and stopper 14) of the hook shaft 12, When an upward force is applied to the hook shaft claw 13 (when the drawer is closed), the hook shaft claw 13 moves up and down independently, and the width of movement by the hook shaft stopper 2 is limited. Usually, the hook shaft stopper 2 is in contact with the lock shaft reverse rotation stopper portion 15 for controlling the return rotation of the lock shaft 5 and determines the stationary position of the lock shaft 5.

As shown in FIG. 4, the lock shaft 5 has a maximum diameter of the lock shaft head portion 17 in which a part of the disk of the head portion is cut out, and the insertion portion of the cylindrical portion of the main body case 11 has the minimum diameter. As shown in FIG. 1 (b), the step is provided with a stopper for the main body case 11 side by providing a knob (or lever) return spring 4 with an intermediate diameter and step at the intermediate portion. Stabilize the lock shaft

The lock shaft 5 and the handle knob (or lever) 10 projecting from the lock device main body 26 in FIG. 5 are connected and fixed by screws 8, and an anti-spinning projection 7 is provided at the connecting contact portion to prevent the anti-spinning and the handle. Facilitates exchange

On the other hand, the hook locking washer 19 attached to the crosspiece 24 on the cupboard body 25 side of FIG. 5 is a component attached to a position corresponding to the mounting position of the lock device main body, and is attached to the hook locking washer 19. Has a hook portion claw locking concave hole 20 at a position where the hook shaft claw 13 protruding from the lock device main body 26 abuts and locks, and the rail 24 on the cupboard main body 25 side is damaged. Reinforce this at the same time to prevent

5A, the contact portion between the drawer bottom plate 27 and the lock device main body 26 is cut out or cut according to the shape of the contact portion of the lock device main body 26.

The front plate body fixing nut 6 shown in FIG. 5A is used to fix the lock device main body 26 to the door and the drawer front plate 22 and is not necessarily required, but it is desirable to have the same.

The locking device of the present invention is one disaster mitigation measure that can be performed by an individual now because it is impossible to predict and predict when it will occur in response to the anticipated Tokai, Tonankai earthquake, etc. Is a simple and easy-to-install small lock device that can be retrofitted to new and existing cupboards, furniture, baskets, etc.

It is a three-view figure of a locking device main body, (A) is a front view, (B) is a side sectional view, and (C) is a bottom view. It is a three-plane view of the hook locking washer 19 on the main body side such as a cupboard, (A) is a front view, (B) is a side sectional view, and (C) is a bottom view. FIG. 3 is a three-side view of the hook shaft 12, (A) is a front view, (B) is a side sectional view, (C) is a bottom view, and (D) is a perspective view of the whole. FIG. 3 is a three-view drawing of the lock shaft 5, (A) is a front view, (B) is a side sectional view, (C) is a bottom view, and (D) is an overall perspective view thereof. (A) is a cross-sectional view of the main body installation part, (b) is an example of installation on a drawer, and (c) is an example of installation on an open door.

Explanation of symbols

1 Body case 1
2 Hook shaft stopper 3 Spring 1
4 Spring 2
5 Lock shaft 6 Body fixing nut to the front plate 7 Non-rotating projection 8 Screw 9 Screw concealed cap 10 Handle knob (or lever)
11 Body case 2
12 Hook shaft 13 Hook shaft claw 14 Hook and stopper 15 Lock shaft reverse rotation stopper portion 16 Body mounting hole 17 Lock shaft head 18 Body assembly screw 19 Hook locking washer 20 Hook locking claw recess 21 Washer mounting Hole 22 Drawer front plate 23 Drawer inner side 24 Cupboard crosspiece 25 Cupboard main body 26 Locking device main body 27 Drawer bottom plate 28 Hook shaft sliding groove, box

Claims (1)

Locking device for drawers and drawers with the following structure and structure, doors for furniture baskets, etc.
The lock device body is mounted from the inside of the door and drawer top plate, protrudes from the lock device body, penetrates and extends through the door and drawer top plate, the door, and the handle knob mounted on the outside of the drawer top plate. (Or lever) is connected and fixed, and the handle knob (or lever) is operated to unlock the locked state in a constantly locked state, such as a cupboard or furniture cabinet door, Locking device for drawer The main body case 1 has a space for turning the lock shaft head and a space for hook shaft sliding groove, and the main body case 2 protrudes in a T shape with respect to the abdominal plane of the main body case 1 It has a cylindrical part that can be inserted and rotated through the lock shaft, and when the main body cases 1 and 2 are combined, the hook shaft sliding groove and box are formed in the lower part of the lock shaft to form the outer shape of the lock device body Yes In the case 1 The lock shaft head with about 1/4 cutout of the plate is placed in the center, and the lock shaft head is in contact with the 1/4 notch to engage the stopper of the hook shaft. The mechanism is to release the lock by moving and sliding the hook shaft by providing a hook shaft sliding groove from the side of the lock shaft head to the lower side, and in contact with the stopper portion of the hook shaft. The hook shaft return spring is arranged and mounted between the main body case 1 and the hook shaft basically has a rectangular parallelepiped shape. The side section of the claw portion at the tip of the hook shaft draws a gentle arc. The taper is cut to make the hook shaft slide lightly and smoothly when the door and drawer are closed. Also, the hook shaft's claw section has a notch of about 2/5 part of the hook shaft's total thickness, which allows the washer hook part to be attached to the door, the drawer side main body rail, etc. The outer frame and the width of the claw-engaging concave hole space are secured. The main body case 2 corresponds to the main body case 1 and has a disk-shaped lock shaft head that is cut out about 1/4. The lock shaft has three stages of thickness, the lock shaft head cut out of the 1/4 is the maximum diameter, and the cylinder portion is the minimum The intermediate diameter part is on the main body case 1 side of the cylinder part, and the cylinder part is used as a stopper, and a spring is attached to give a rotational force to the lock shaft. The female spiral and the center of the lock shaft that penetrates the front plate and protrudes from the cylindrical portion of the main body case 2 A locking protrusion is provided, and a handle knob (or lever) is attached and fixed with a screw. It can be connected to the lock shaft and interlocked to enable unlocking operation. When the door and the drawer are closed, the hook shaft claw protruding from the lock device main body is locked, and a washer having a hook portion claw locking concave hole is attached at a position to be a contact portion. Reinforce at the same time prevent damage to the pier

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