KR200458806Y1 - Unified locking apparatus - Google Patents

Abstract

The central locking device of the present invention, when a key bundle for locking a plurality of drawers that are slidably installed in the frame is provided, the rotation bar is rotated with the key bundle in accordance with the rotation of the key inserted in the key bundle; A bridge bar contacting the pivot bar to be elevated according to the pivot angle of the pivot bar having a polygonal cross section; When the locker fastening groove is formed in each of the drawers, a plurality of rockers arranged at intervals that are simultaneously detachable from the respective rocker fastening grooves with respect to the arrangement of the drawers; Being a rocker bar; It includes.

Description

Central locking unit {UNIFIED LOCKING APPARATUS}

The present invention relates to a central locking device that can lock several drawers simultaneously in a storage device having a plurality of drawers.

Furniture, toolboxes, and other drawers that hold things in the form of a drawer can be slid to open or close the drawer. When the drawer is opened, the object is stored in the exposed space inside the drawer, and when the storage is completed, the drawer is closed to store the object inside the storage device.

At this time, there is a need for a locking device that can lock the opening and closing of the drawer. In addition, when multiple drawers are installed, the width, length, height, and depth of each drawer may be different from each other, and in this case, it may sometimes be very inconvenient to install an individual locking device for each drawer. That is, even when the size of the drawer is different, it is necessary to install a central locking device that can lock the opening and closing of the drawer at a time.

The present invention has been made in view of the above-mentioned problems and needs, and to provide a central locking device that can lock and unlock the opening and closing of a drawer in one operation in a storage device provided with a plurality of drawers having different sizes.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art from the following description. will be.

In one embodiment, the central locking device of the present invention, when a key bundle is provided to lock a plurality of drawers that are slidably installed in a frame, together with the key bundle in accordance with the rotation of the key inserted in the key bundle Pivoting bar rotated; A bridge bar contacting the pivot bar to be elevated according to the pivot angle of the pivot bar having a polygonal cross section; When the locker fastening groove is formed in each of the drawers, a plurality of rockers arranged at intervals that are simultaneously detachable from the respective rocker fastening grooves with respect to the arrangement of the drawers; Being a rocker bar; It includes.

Accordingly, the plurality of drawers are locked at the same time when the locker is locked to the locker locking groove, and the locking is released at the same time when the locker is separated from the locker locking groove.

According to the present invention, a plurality of drawers can be locked or unlocked at the same time by turning a key bundle, and the spring is installed to apply an elastic force in the unlocking direction, thereby unexpectedly locking the drawer by external force such as vibration or external force. The central locking device can be installed in a simpler structure than the locking device for each drawer individually, and each part constituting the central locking device has a rod shape, so it can be used for long time and external force. This has the advantage of being improved.

1 is a perspective view showing a storage device in which the central locking device of the present invention is installed.
2 is a front view of FIG. 1.
3 is a plan view of FIG. 1.
4 is a perspective view showing a central locking device of the present invention.
5 is a perspective view illustrating a drawer locked by a central locking device of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this process, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms that are specifically defined in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or operator. Definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view showing a storage device in which the central locking device of the present invention is installed. 2 is a front view of FIG. 1. 3 is a plan view of FIG. 1. 4 is a perspective view showing a central locking device of the present invention. 5 is a perspective view illustrating a drawer locked by a central locking device of the present invention. With reference to Figures 1 to 5, the configuration and operation of the central locking device of the present invention will be described in detail.

The central locking device of the present invention is characterized in that the plurality of drawers 110a and 110b can be locked simultaneously with respect to the storage device 100 including furniture such as tool boxes or drawers 110a and 110b.

The storage device 100 includes a frame 101 forming an external skeleton, a drawer 110a and 110b of various sizes and shapes that are slidably installed by providing multiple rails 116 with respect to the frame 101, and storage. If the position of the device 100 is required to move the wheel 120, which can be additionally installed, and the central locking device of the present invention.

Each drawer (110a, 110b) is arranged at a regular interval and perpendicular to the frame 101, the rear of each drawer (110a, 110b) projections 112 projecting in the 'L' shape when viewed in plan view Is formed, the lock engagement groove 114 is an opening formed by the protrusion 112, the locker 41 is locked and unlocked.

The rocker 41 formed in the rocker bar 40 has a flat plate shape bent in a direction parallel to the moving direction of the rocker bar 40.

The central locking device of the present invention is composed of a plurality of members having a rod shape such as a rotation bar 10, a bridge bar 30, and a rocker bar 40 connected to the key bundle 20. That is, since these members are made of steel or aluminum rod-shaped, durability against various factors that hinder the reliability of the locking device, such as long time use, external force, deformation due to temperature change, and corrosion, is improved, and durability of the locking device is improved. As a result of the deterioration, accidents in which the drawers 110a and 110b are locked in an undesired state can be prevented.

When the key is inserted into the key bundle 20 and the key is turned, the locking of the drawers 110a and 110b is released. To this end, the bundle of keys 20 is connected to the pivoting bar 10 and the pivoting bar 10 is pivoted together with the bundle of keys 20. Rotating bar 10 is disposed in a direction parallel to the sliding direction of the drawers (110a, 110b), as shown in Figs.

As shown, the pivot shaft 15, which is the pivot center of the pivoting bar 10, is positioned coaxially with the key bundle 20, but is not necessarily coaxial and is not necessarily coaxial with the key bundle 20 and the pivot shaft ( Even if 15) is in a position shifted from each other, as long as the rotation bar 10 can be rotated together according to the rotation of the key bundle 20, it is possible as an embodiment of the present invention.

On the other hand, as an embodiment, the rotation bar 10 has a polygonal cross section.

The polygonal cross section of the pivot bar 10 is closer to the pivot axis 15 than the first edge 11 and the first corner 11 located further from the pivot axis 15 of the pivot bar 10. It consists of a second corner 12 located at.
3 and 4, the bridge bar 30 is disposed perpendicularly to the pivot bar 10 and the bridge bar 30 is disposed parallel to the rear surface of the frame 101. In addition, the bridge bar 30 is disposed below the rotation bar 10 and the bridge bar 30 is in contact with the first edge 11 or the second edge 12 by the rotation of the rotation bar 10.

The rocker bar 40 moves to the first position when the bridge bar 30 and the first edge 11 come into contact with the rotation of the rotation bar 10, and the bridge bar 30 according to the rotation of the rotation bar 10. ) And the second edge 12 are in contact with the rocker bar 40 is moved to the second position.
The rocker 41 is attached to and detached from the rocker fastening groove 114 according to the moving position of the rocker bar 40 when the pivoting bar 10 rotates.

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The bridge bar 30 is a bar that is elevated according to the rotation angle of the rotation bar 10 having a polygonal cross section, and the rotation bar 10 is a bridge bar at an edge contact surface 33 corresponding to a part surface of the bridge bar 30. In contact with 30.

In order to guide the linear movement of the bridge bar 30, a long slot-shaped guide slot 37 is formed on the side of the bridge bar 30, the guide slot 37 is a boss (not shown) protruding from the frame 101 It is slidably fitted in the bridge bar 30 is raised and lowered at the position specified by the guide slot 37 and the boss fitted in the guide slot 37.

At this time, when the upper spring 35 and the lower spring 55 is provided, the rotation bar 10 and the bridge bar 30 always maintain a constant contact force according to their elastic force, thereby preventing malfunction of the locking device due to mechanical play. It can prevent.

In one embodiment, at least one of the upper spring 35 interposed between the bridge bar 30 and the frame 101 and the lower spring 55 interposed between the rocker bar 40 and the frame 101 is provided. do.

The upper spring 35 and the lower spring 55 exert an elastic force on the rocker bar 40 in the direction in which the rocker 41 is fastened to the rocker fastening groove 114. Accordingly, when the key is turned, the rocker bar 40 is moved in a direction in which the rocker 41 is separated from the rocker fastening groove 114 while overcoming the elastic force applied by the upper spring 35 and the lower spring 55.

In one embodiment, the rocker bar 40 is fixed to the frame 101 by a lower pin 50, and the lower spring 55 interposed between the rocker bar 40 and the frame 101 is a lower pin 50. ) Is applied to the rocker bar 40, and the rocker bar 40 is elastically biased in the direction of locking the drawers 110a and 110b according to the elastic force.

The lower spring 55 is interposed between the lower spring support surface 44 provided on the lower end of the rocker bar 40 and the frame 101 to elastically bias the rocker bar 40 in the locking direction.

The rocker bar 40 is connected to the bridge bar 30 and includes a rocker 41. When the rocker fastening grooves 114 are formed in the respective drawers 110a and 110b, the rocker 41 is rocker bar at intervals that are simultaneously detached from the respective rocker fastening grooves 114 with respect to the arrangement of the drawers 110a and 110b. 40 is arranged. The rocker bar 40 is lifted together as the bridge bar 30 moves up and down in the shape of a rod connecting the rockers 41.

As such, when the locker 41 is fastened to the rocker fastening groove 114, the plurality of drawers 110a and 110b are simultaneously locked, and when the locker 41 is separated from the rocker fastening groove 114, the locking is released at the same time.

On the other hand, since the rocker 41 is bent upward as shown, when the rocker 41, rocker bar 40, bridge bar 30 is moved upward, the rocker 41 is rocker fastening groove 114 Is locked. Moreover, the 1st edge 11 is a long axis part, and the 2nd edge 12 is a short axis part. In this case, as shown in the figure, when the first edge 11 faces the bridge bar 30 and presses the bridge bar 30, the rocker 41 is released from the rocker fastening groove 114 to be in the unlocked state.

At this time, when the upper spring 35 is interposed between the upper surface of the bridge bar 30 and the frame 101, in order to apply an elastic force in the locking direction, the upper spring 35 is a tension spring. Similarly, when the lower spring 55 is interposed between the upper side of the hub spring support surface and the frame 101, the lower spring 55 also becomes a tension spring to exert an elastic force in the locking direction.

When the key is inserted and the pivoting bar 10 is rotated so that the second edge 12 contacts the corner contact surface 33, the bridge bar 30, the rocker bar 40, and the like are lifted and are locked again.

Even when the rocker 41 is bent downward as an embodiment, not shown, the fundamental operating principle is the same as described above, and the locking direction is opposite to that described above, and the upper spring 35 and the lower spring 55 are compressed. Such a modification, such as to be a spring, is a naturally modified embodiment of the present invention.

Although embodiments according to the present invention have been described above, these are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments of the present invention are possible. Therefore, the true technical protection scope of the present invention should be determined by the following utility model registration claims.

10 ... rotating bar 11 ... first corner
12 ... 2nd corner 15 ... Rotation axis
20 ... A bunch of keys
30 ... bridge bar 33 ... edge contact
35 Top spring 37 Guide slot
40 ... locker bar 41 ... locker
44.Lower spring support surface 50 ... Lower pin
55 ... Lower spring 100 ... Storage
101 ... frame 110a, 110b ... drawer
112.Protrusion 114.Locker tightening groove
116 ... multi rail 120 ... wheel

Claims (5)

In order to simultaneously lock and unlock a plurality of stacked drawers slidably installed in a frame, the plurality of stacked drawers are disposed in the same direction as the slide direction of the drawers in the uppermost of the drawers and according to the rotation of the key inserted in the key bundle. Rotating bar rotated with key bundles;
A bridge bar elastically supported by the frame and in contact with a bottom surface of the pivot bar to move up and down according to the rotation angle of the pivot bar having a polygonal cross section;
A rocker bar disposed along a rear surface of each of the drawers in a rod shape and connected to the bridge bar to move up and down with the bridge bar; And
A rocker coupled to the rover bar coupled to the bridge bar and arranged at intervals that are simultaneously engaged with and separated from the rocker fastening grooves formed on the rear surfaces of the respective drawers,
And the plurality of drawers are simultaneously locked when the respective lockers are locked to the respective locker locking grooves, and the locking of the plurality of drawers is simultaneously released when the lockers are separated from the locker locking grooves.
The method of claim 1,
The polygonal cross section of the pivot bar is composed of a first corner located farther from the pivot axis of the pivot bar and a second corner located closer to the pivot axis than the first corner,
The rocker bar is moved to a first position when the bridge bar and the first corner contact each other according to the rotation of the rotation bar.
The rocker bar is moved to a second position when the bridge bar and the second corner contact each other according to the rotation of the rotation bar.
And a central locking device in which the rocker is attached to and detached from the rocker fastening groove according to the movement position of the rocker bar when the pivoting bar rotates.
The method of claim 1,
At least one of an upper spring connecting the bridge bar and the frame and a lower spring interposed between an end of the rocker bar and the frame,
The upper spring and the lower spring exert an elastic force on the rocker bar in the direction in which the rocker is fastened to the rocker fastening groove,
Turning the key to overcome the elastic force applied by the upper spring and the lower spring and the rocker bar is moved in the direction in which the rocker is separated from the rocker fastening groove.
The method of claim 1,
The rocker bar is fixed to the frame by a lower pin,
A lower spring interposed between the rocker bar and the frame is fitted to the lower pin to apply an elastic force to the rocker bar,
And the rocker bar is elastically biased in a direction to lock the drawer according to the elastic force.
The method of claim 1,
The rocker formed on the rocker bar has a flat plate shape bent in a direction parallel to the movement direction of the rocker bar,
The locker fastening groove is a central locking device that is an opening formed between the 'L' shaped protrusion projecting out of the drawer and the drawer.

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