KR101713904B1 - Device for safe locking of furmiture - Google Patents

Abstract

The present invention relates to a cabinet with a simultaneous drawer withdrawal prevention function and, more specifically, relates to a cabinet with a simultaneous drawer withdrawal prevention function, capable of preventing the conduction of furniture, caused when a plurality of drawers are withdrawn at the same time, by maintaining a locked state of the drawers except a drawer being withdrawn. The cabinet with a plurality of drawers comprises: a key box installed in the cabinet and including an eccentrical rod at an end; an operating bar located inside the cabinet to be moved up or down by eccentrical rod of the key box, and including a plurality of hanging rods which protrude; a locking plate installed on a side of a drawer, and including a locking hole opened downwards so that the hanging rods are able to be inserted; and a support rail including a slope rail located under the locking plate, and a horizontal rail extended from the slope rail and installed on a side of a drawer in a longitudinal direction. As such, when a drawer is withdrawn, a hanging rod of the operating bar is moved upwards by the support rail of the withdrawn drawer and then is inserted into the locking hole of the locking plate installed in unwithdrawn drawers, and thus the drawers become locked.

Description

{Device for safe locking of furmiture}

The present invention relates to a storage furniture in which drawers are prevented from being simultaneously drawn out, and in a storage furniture having a plurality of drawers, when one drawer is opened, the remaining drawers are automatically locked so that they can not be opened. It is about furniture.

BACKGROUND OF THE INVENTION [0002] In general, drawer-type storage furniture for storing and storing various kinds of documents or various kinds of clothes or various kinds of clothes is widely used in a room such as a home or an office. Such a drawer- The storage and clothes are stored.

The drawer-type storage furniture conventionally used is locked so that all of the drawers are prevented from being pulled out by a single locking device installed on the upper side, or the locking is released so that the drawer is pulled out, In the case of withdrawing, the entire storage furniture is transferred due to the weight of the stored object or clothes provided inside the drawer, which poses a threat to the safety of the user.

Particularly, when children are pulled out of a plurality of drawers and jostled up in a drawer, when the furniture is turned over, a dangerous accident may occur, in which the children collapse together with the storage furniture.

In order to prevent an accident caused by the simultaneous withdrawal of the drawer, there is a method of controlling the withdrawal of each drawer by providing a lock device for each drawer. However, It is possible to prevent simultaneous withdrawal of the drawer when the user releases the locking of all of the drawers, and thus can not be used as a fundamental solution.

Of course, some households are prevented from simultaneous withdrawal of drawers, but conventional furniture configured to prevent simultaneous withdrawal of drawers is complicated in structure, and its operating structure is relatively unstable, so that when the withdrawal of drawer is repeated, .

In particular, conventional furniture configured to prevent simultaneous drawing of drawers can not be applied to prefabricated furniture, and safety incidents caused by furniture produced and sold can not be solved.

Registration Utility Model Registration No. 20-0283281 (July 12, 2002) Registration Utility Model Registration No. 20-0458806 (Feb. 15, 2012) Registration Utility Model Registration No. 20-0248077 (Sep. 13, 2001) Patent Registration No. 10-0767096 (October 10, 2007)

It is an object of the present invention to provide a storage furniture in which simultaneous withdrawal of drawers can be prevented so that the drawers can be automatically locked when a drawer is pulled out, .

Another object of the present invention is to provide a storage furniture which is simple in structure and which can be easily applied to furniture produced in the past including a drawer without structural modification so as to prevent simultaneous withdrawal of a plurality of drawers .

The present invention relates to a storage furniture having a plurality of drawers, An operating stand provided on the inner side of the storage furniture so as to be raised and lowered by the eccentric rod of the key box and provided with a plurality of hooking rods protruding thereon, And a support rail having a slanting rail located below the locking plate and a horizontal rail extending in the slanting rail on the side of the drawer, the support rail including a locking hole having a downwardly opened locking hole for inserting a locking bar of the operating stand, Became,

When the one drawer is pulled out, the hook of the pull-out drawer is moved upward by the support rail of the pull-out drawer to be inserted into the locking hole of the locking plate provided in the pull-out state, thereby locking the drawer.

The present invention is characterized in that the inclined rail of the support rail is positioned below the locking plate and the horizontal rail extending to the inclined rail has the same height as the lower end of the locking plate so that the one- When the stand is moved upward, the other hanging rods of the operating stand remain inserted into the locking grooves formed in the locking plates of the remaining drawers, so that the remaining drawers are automatically locked regardless of the drawability of the drawers do.

The present invention has a simple structure in which the operation unit is moved by the support rails provided on the sides of the respective drawers to lock the drawer, thereby making it possible to reduce the unit cost of the product due to the reduction in manufacturing costs, Production is possible.

The present invention can be easily applied to furniture furniture produced in the past even without structural change, thereby preventing safety accidents caused by furniture already sold and improving the satisfaction of consumers.

In the present invention, when one drawer is opened, the remaining drawers are automatically maintained in a locked state, thereby preventing the furniture from being transferred due to withdrawal of a plurality of drawers, thereby preventing the occurrence of a safety accident, The damage of the furniture can be prevented, and so on.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exemplary view showing the internal structure of a storage furniture according to the present invention; Fig.
Fig. 2 is an exemplary view showing the drawer side configuration of the storage furniture according to the present invention
Figure 3 is another example showing the drawer side configuration of the storage furniture according to the present invention
4 is an exemplary view showing an operation relationship between a key box and an operation table according to the present invention.
5 is an exemplary view showing a locking state of a drawer according to the present invention
6 is a view showing an unlocked state of a drawer according to the present invention;
FIG. 7 is an exemplary view showing an initial operation state according to the present invention
8 is an exemplary diagram showing an operating state according to the present invention.

FIG. 1 is an exemplary view showing the internal structure of a storage furniture according to the present invention, FIG. 2 is an exemplary view showing a drawer side structure of a storage furniture according to the present invention, FIG. 3 is a side view of a drawer side structure FIG. 4 is a view illustrating an exemplary operation of the key box and the operation table according to the present invention,

The present invention relates to a storage furniture (100) having a plurality of drawers (120); A key box (10) provided on the storage furniture and having an eccentric rod (11) at an end thereof; An operating stand 20 installed on the inner side surface 110 so as to be raised and lowered by the eccentric rod 11 of the key box and having a plurality of engaging rods 23 projected thereon; A locking plate (30) installed on the drawer side (121) and having a locking hole (31) opened downward so that the latching bar (23) of the operation frame can be inserted; And a support rail 40 in which a slant rail 41 is positioned below the locking plate 30 and a horizontal rail 42 extending in the slant rail is installed in the drawer side 121 in the longitudinal direction,

When the one drawer is pulled out, the hooking rail (40) of the pulled drawer moves the hooking bar (23) of the operating band upward to be inserted into the locking hole (31) of the locking plate installed in the drawer .

The storage furniture 100 may be any furniture having two or more drawers such as a drawer unit, a drawer, a multipurpose storage, a cupboard, a paper sheet, a clothes storage, a desk drawer, a paper sorting room, a file sorting room, .

The key box 10 locks the drawer of the furniture from opening, and the eccentric rod 11 is eccentrically rotated by the rotation of the key as shown in FIGS. Such a key box 10 is a well-known one widely used for storage furniture, and a detailed description thereof will be omitted.

As shown in FIGS. 1 and 4, the operating stand 20 includes a pair of upper and lower legs 21 installed vertically on the inner side of the storage furniture, and a pair of eccentric rods 11 And a plurality of latching rods 23 protruding upward and downward at a predetermined interval on the upper and lower sides of the operating rod 22 so as to be positioned below the operating rods 22.

The upper and lower copper legs 21 are vertically movable on the inner side surface 110 of the storage furniture by a plurality of supporting pieces 24.

The upper and lower copper foils 21 can be inserted and installed so as to be vertically movable into vertical guide grooves 111 formed on the inner side surface 110 of the storage furniture. The vertically upward and downward movements of the upper and lower shafts 21 can be smoothly performed.

The supporting piece 24 is fixed to the inner side surface 110 of the storage furniture and supports the upper and lower movable pieces 21 so that the upper and lower movable pieces 21 can be vertically moved up and down.

Although the shape of the support piece 24 is not particularly limited, it may be formed to include the insertion groove 25 so that the upper and lower copper pieces 21 can be inserted and supported, or the upper and lower copper pieces 21 may be formed in the vertical guide groove 111 , It can be formed into a flat plate shape.

The operating rod 22 is protruded in the drawer direction on the upper side of the upper and lower copper pieces 21 so as to be positioned within the turning radius R of the eccentric rod 11 provided in the key box.

The operation rod 22 is provided with a first operation rod 22a protruding from the upper side of the upper and lower movable pieces 21 and a second operation protrusion 22a spaced apart from the first operation rod 22a by a predetermined distance And the rod 22b, and the length L2 of the second working rod is formed to be smaller than the length L1 of the first working rod.

That is, the first and second working rods 22a and 22b are formed so as to protrude from the upper and lower rods 21 so that the ends of the first and second working rods 22a and 22b are located on the rotating shaft of the eccentric rod. 11 have a length L1 that keeps contact with the eccentric rod 11 when both the drawer locking state (located at the uppermost position of the rotating shaft) or the unlocked state (the lowest position with respect to the rotating shaft) The second working rod 22b is not in contact with the eccentric rod 11 in the locking and unlocking state of the drawer but has a length L2 at which the end is positioned on the turning radius R of the eccentric rod.

The difference in the lengths of the first and second actuating rods facilitates the upward and downward movement of the actuating table by the key box and prevents the interference with the eccentric rod when the actuating table is lifted by the support rails in the unlocking state of the drawer, So as to be smoothly performed.

The locking bar 23 is inserted into the locking hole 31 of the locking plate provided on the side surface 121 of the drawer to prevent the drawer from being drawn out and a plurality of the locking bars 23 corresponding to the number of the drawers Formed or installed.

As shown in FIGS. 2 and 3, the locking plate 30 is fixedly installed at the drawer side 121 and includes a locking hole 31 opened in the downward direction so that the latching bar of the upper and lower sides can be inserted, Respectively.

2 and 3, the support rail 40 is fixed to the drawer side surface 121 in the longitudinal direction L of the drawer, and is installed on the lower side of the locking plate 30, (41), and a horizontal rail (42) extending from the slant rail (41).

The inclined rail 41 is fixedly installed on the lower side of the locking hole 31 of the locking plate so as to be inclined upward in the rear single direction B. The inclined rail 41 is preferably installed to support the latching bar of the operation unit when the operation unit 20 is vertically moved down according to the unlocking of the drawer.

The horizontal rail 42 extends upward from the inclined rail 41 and is fixed to the drawer side 121 so as to have the same height as the lower end 32 of the locking plate.

2, the support rail 40 may be installed separately from the sliding rail 50 of the drawer to be spaced apart from the sliding rail 50, or may be integrally formed with the sliding rail 50 of the drawer Can be formed and installed.

Hereinafter, the operation of the present invention will be described with reference to the drawings.

FIG. 5 illustrates a drawer locking state according to the present invention. When the key box 10 is rotated in the direction A by a key, the eccentric rod 11 is eccentrically rotated to move the first working rod 22a of the operating table upward And the operating rod 20 is moved upward by the movement of the first operating rod 22a so that the locking rod 23 of the operating rod is pressed against the locking plate 30 provided on each drawer side 121, Is inserted into the locking groove 31 of the drawer 31, so that the draw in the forward direction F with respect to all the drawers is blocked.

6 shows the state where the drawer is unlocked according to the present invention. When the key box 10 is turned in the direction B by the key, the eccentric rod 11 is rotated to move the second operating rod 22b of the operating stand in the downward direction And the operating rod 20 is lowered by the movement of the second operating rod 22b so that the locking rod 23 of the operating rod is detached from the locking groove 31 of the locking plate provided on the side of the drawer And all the drawers are unlocked. At this time, the latching rods 23 of the operating unit are held in contact with the slanting rails 41 of the operating rails provided in the respective drawers or close to the upper side of the slanting rails 41.

Fig. 7 shows an initial operating state according to the present invention, Fig. 8 shows an operating state according to the present invention. In a state in which the locking of the drawer is released, any one of the plurality of drawers, The supporting rail 40` provided on the side of the drawer of the drawn drawer 120` is also moved in the forward direction F so that the one side of the operating stand corresponding to the position of the drawer 120 ' The rod 23 'is brought into contact with the inclined rail 41' of the supporting rail to be vertically moved upward and then vertically moved by the horizontal rail 42 'extended to the inclined rail 41' .

When the engaging rod 23 'of one side of the operation table is vertically moved by the support rail 40' of the drawn drawer 120 ', the entire operation table 20 is vertically moved.

At this time, since the horizontal rail is provided so as to have the same height as the lower end of the locking plate, when one of the latching rods 23 'of the operation rack is contactably supported on the horizontal rail 42' of the drawn drawer, The other latching rods 23 remain inserted into the locking grooves 31 formed in the locking plate of the remaining unexposed drawers so that the remaining unexposed drawers 120 are kept in the locked state do. That is, when one drawer is withdrawn, all other drawers remain locked.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

(10): Key box (11): Eccentric rod
(20): operating base (21): east of Shanghai
(22): working rod (22a): first working rod
(22b): second working rod (23): engaging rod
(24): Support piece (25): Insert groove
(30): a locking plate (31): a locking groove
(32): locking plate bottom (40): support rail
(41): inclined rail (42): horizontal rail
(100): storage furniture (110): inner side
(111): vertical guide groove (120): drawer
(121): drawer side

Claims (5)

Claims 1. A storage furniture (100) comprising a plurality of drawers (120);
A key box (10) provided on the storage furniture and having an eccentric rod (11) at an end thereof;
An operating stand (20) provided on the inner side surface (110) of the storage furniture so as to be raised and lowered by the eccentric rod (11) of the key box and provided with a plurality of locking bars (23) protruded;
A locking plate (30) installed on the drawer side (121) and having a locking hole (31) opened downward so that the latching bar (23) of the operation frame can be inserted;
A slope rail 41 is fixed to the drawer side surface 121 so as to be positioned below the locking plate 30 and a horizontal rail 42 extending to the slope rail 41 is installed on the drawer side surface 121 in the longitudinal direction And a support rail (40)
The operation pedestal 20 includes a pair of upward and downward slopes 21 provided on the inner side of the storage furniture so as to be positioned in the vertical direction and a pair of projections 21 projecting upwardly from the upper and the lower horizontal pieces 21 such that the eccentric rods 11 of the key box are positioned therebetween And a plurality of latching rods (23) protruding from the upper and lower sides at predetermined intervals so as to be positioned below the operating rods (22)
The operation rod 22 includes a first actuating rod 22a protruding to be positioned on the upper side of the upper and lower movable pieces 21 and a second actuating rod 22b protruding from the first actuating rod 22a, Includes a working rod 22b,
The first working rod 22a has a length L1 that keeps the eccentric rod 11 in contact with the eccentric rod 11 when the eccentric rod 11 is locked and unlocked in the drawer,
The second operating rod 22b is formed to have a length L2 that is located on the rotation radius R of the eccentric rod but remains in a state of not contacting the eccentric rod 11 when the drawer is locked and unlocked ,
When the one drawer is pulled out, the hooking rail (23) of the operating stand is moved upward by the support rail (40) of the drawn drawer and inserted into the locking hole (31) of the locking plate provided in the drawer The drawer is locked so that the drawer is locked.
delete delete The method of claim 1,
The support rail 40 includes a slope rail 41 disposed below the locking plate 30 and a horizontal rail 42 extending from the slope rail 41,
The inclined rail 41 is fixed to the drawer side 121 so as to be inclined upward in the backward direction B below the locking hole 31 of the locking plate,
Wherein the horizontal rail (42) is fixed to the drawer side (121) with the same height as the lower end (32) of the locking plate.
The method according to claim 1 or 4,
Characterized in that the support rail (40) is installed separately from the sliding rail (50) of the drawer and separated from the sliding rail (50) or formed integrally with the sliding rail (50) of the drawer furniture.

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