KR101450037B1 - Door locking device for cabinet - Google Patents

Abstract

Disclosure of the Invention The lock device for a locker is disclosed. The locking device for a locker of the present invention comprises: a main body to be embedded in an installation hole of a door; a locking pawl provided on the main body and resiliently supported by an elastic member; an opening and closing operation part operable to selectively slide the locking pawl in the main body; And a breakage preventing portion for preventing breakage of the lock portion when an external force is generated in a state where the lock is engaged with the lock portion.

Description

{DOOR LOCKING DEVICE FOR CABINET}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a locker, and more particularly, to a locking device for a locker that can prevent breakage of the locking device when the door is closed when the lock is mounted.

In general, a locker is used for a reading room, a school, a bathhouse, a sports center, etc. where the public is gathered by storing user's goods.

Such a locker has a name tag that can put a name tag on the door, a handle that can open and close the door of the locker, a fixing part formed of a magnetic flux and a metal plate to prevent the door from being opened automatically by the door load of the locker, So that the lock hook piece is formed.

However, since the above-mentioned locker needs to be provided with separate parts such as a name tag, a handle, a fixing part, and a locking part, the productivity is decreased due to a lot of steps in assembling the locker, and the manufacturing cost of the locker is increased due to various parts It became a cause.

In order to solve such a problem, the present applicant has disclosed a "buried locker handle" in Utility Model Registration No. 0415061 (registered on April 28, 2006).

The embedding type locker handle as described above has a handle portion formed with a buried hole in a door opening and closing the body of a locker and formed with a lock hole so as to be inserted into a buried hole, and a locking protrusion formed by a locking hole of a handle portion to be locked with a lock through a handle portion. As shown in FIG.

An object of the present invention is to provide a locking device for a locker which can easily open and close a door by being provided with a locking pawl which is resiliently supported on the main body and can prevent breakage of the locking portion when the door is closed, .

A locking device for a locker according to the present invention comprises: a main body which is embedded in a mounting hole of a door; a locking pawl provided on the main body and resiliently supported by an elastic member; And a breakage preventing unit for preventing breakage of the lock unit when an external force is generated in a state where the lock is coupled to the lock unit.

Further, the main body is provided with a slide part capable of sliding movement of the latching part, and any one of the slide part and the latching part is formed with a concave-convex part to minimize the mutual frictional force.

The opening and closing operation unit may include a lever hinged to the main body by a hinge shaft and a cam shaft formed on one side of the lever to be eccentric with respect to the hinge axis and connected to the latching unit to move the latching unit .

The locking part is fixed to the main body, and includes a fixing piece formed with a through hole, and a moving piece provided in the locking piece, the moving piece being in contact with the fixing piece and communicating with the through hole. .

In addition, the breakage prevention portion includes a slide rail portion formed inside the latching bundle and a slide block movably provided on the slide rail portion, the slide block being engaged with the moving piece.

The frictional force between the slide rail part and the slide block is greater than the frictional force between the engagement piece and the slide part.

The locking device for a locker according to the present invention provides ease of use by facilitating the opening operation of the door by the opening and closing operation part and facilitating the closing operation without the operation of the opening and closing operation part by the latching part being elastically supported when the door is closed.

Further, according to the present invention, it is possible to prevent breakage due to carelessness by the breakage prevention part in a state where the lock is mounted on the lock part when the door is closed, thereby extending the service life of the product.

1 is a perspective view of a locking device for a locker according to an embodiment of the present invention.
2 is an exploded perspective view of a locking device for a locker according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
4 is a sectional view taken along line BB of Fig.
5 is a rear exploded perspective view of a locking device for a locker according to an embodiment of the present invention.
6 is a view illustrating a breakage prevention unit of a locking device for a locker according to an embodiment of the present invention.
7 is a view showing an operation of a locking device breakage preventing portion for a locker according to an embodiment of the present invention.

Hereinafter, an embodiment of a locking device for a locker according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view of a locking device for a locker according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a locking device for a locker according to an embodiment of the present invention, FIG. 3 is a cross- 4 is a cross-sectional view taken along the line BB of FIG. 1, FIG. 5 is an exploded rear view of the locking device for a locker according to an embodiment of the present invention, and FIG. 6 shows a breakage prevention portion of a locking device for a locker according to an embodiment of the present invention FIG. 7 is a view showing the operation of a lock device breakage preventing portion for a locker according to an embodiment of the present invention.

1 to 7, a locking device 100 for a locker according to an embodiment of the present invention includes a main body 110, a latching bundle 130, an opening and closing operation portion 140, a locking portion 150, Prevention portion 160. [0035]

The main body 110 is embedded in the installation hole of the door. The main body 110 is coupled to the front surface of the rear case 114 and the intermediate case 112 which are coupled to the rear surface of the door and has an exposed hole 117 formed on the front surface thereof. And a front case 116.

The intermediate case 112 has a thickness equal to the thickness of the door and is provided with an intermediate case 112 on the edge thereof so that the front case 116 and the rear case 114 can be fastened by the fastening member. A boss 112a is formed. That is, the fastening member is inserted into the rear surface of the rear case 114 and is coupled to the front case 116 through the boss 112a.

The front case 116 has a recognition portion 119 which is exposed to the outside by a transparent window.

A slide part 115 having one side opened is formed inside the rear case 114. The slide portion 115 is provided with a latching bundle 130. The latching bundle 130 is seated on the slide portion 115 and is elastically supported by the elastic member 120. The elastic member 120 is made of a coil spring and has one side abutting against the engagement bundle 130 and the other abutting against the end of the slide portion 115 to elastically support the engagement bundle 130.

At an end of the latching bundle 130, an inclined surface 132 is formed inward. A recessed portion 134 is formed on the back surface of the latching bundle 130 to minimize frictional force with the slide portion 115. On the upper and lower surfaces of the slide part 115, a sliding protrusion 115a is formed to minimize the frictional force with the engagement protrusion 130. [

The latching bundle 130 is selectively slidably operated on the slide portion 115 by the opening and closing operation portion 140. [ The opening and closing operation part 140 is formed to be eccentric with respect to the hinge shaft 143 at one side of the lever 142 and the lever 142 hinged to the hinge shaft 143 by the hinge shaft 143, And a cam shaft 144 connected to the stopper 130 to move the stopper bundle 130. At this time, a receiving groove 136 is formed on the front surface of the latching bundle 130 so as to insert the camshaft 144, and one side of the receiving groove 136 is formed with an inclined surface.

The locking part 150 locks the movement of the latch 130 by a separate lock. The locking part 150 is fixed to the main body 110 and is provided in the fixing piece 152 and the engaging piece 130 in which the through hole 152a is formed so as to be in contact with the fixing piece 152 and to communicate with the through hole 152a And a moving piece 154 on which a communication hole 154a is formed.

At this time, in the intermediate case 112, the fixing piece 152 and the moving piece 154 protrude forward, and the elongated hole 113 is formed so that the moving piece 154 can be moved horizontally.

The lock is engaged when the through hole 152a of the fixing piece 152 and the communication hole 154a of the moving piece 154 coincide with each other to restrain the movement of the locking piece 130 to keep the door locked .

The breakage preventing portion 160 prevents breakage of the lock portion 150 when an external force is generated in a state where the lock is engaged with the lock portion 150. [ The breakage preventing portion 160 is provided on the slide rail portion 162 and the slide rail portion 162 formed in the latching bundle 130 and includes a slide block 164 to which the moveable piece 154 is coupled .

At this time, the frictional force between the slide rail part 162 and the slide block 164 is larger than the frictional force between the engagement pawl 130 and the slide part 115.

That is, when there is no restraint in the moving piece 154, the slide block 164 accommodated in the movement of the retaining bundle 130 moves together with the catching bundle 130. When the moving piece 154 is constrained The slide block 164 is not moved together with the engagement bundle 130 when the engagement bundle 130 is moved.

Hereinafter, the operation and effect of the locking device 100 for a locker according to an embodiment of the present invention will be described.

The middle case 112 is inserted into the installation hole of the door and the lever 142 is hinged to the intermediate case 112 by the hinge shaft 143. [ Therefore, the camshaft 144, which extends to the rear side by the rotation of the lever 142, is also rotated about the hinge shaft 143. [

The front case 116 is coupled to the front surface of the intermediate case 112 by respective bosses 112a. The slide block 164 having the moving piece 154 is coupled to the slide rail part 162 of the latching bundle 130 and the latching block 130 having the slide block 164 is coupled to the rear case 114, To the slide portion 115 of the slide fastener. The latching bundle 130 is elastically supported by the elastic member 120 at the slide portion 115. At this time, the protrusions 134 are formed in the latch 130 to minimize the frictional force with the latch 130, so that the sliding operation of the latch 130 can be smoothly performed. Then, the fixing piece 152 is bolted to the rear case 114 so that the moving piece 154 and the fixing piece 152 come into contact with each other.

The fixing piece 152 and the moving piece 154 are protruded forward through the elongated hole 113 of the intermediate case 112 and the cam shaft 144 projecting to the rear side is engaged with the receiving When the rear case 114 is fixed to the rear surface of the door after being fitted into the groove 136, the assembly of the locker locking device 100 is completed.

A separate lock is coupled through the through hole 152a of the fixing piece 152 and the moving piece 154 and the communication hole 154a so that the lock Closed state is maintained. When the user wishes to open the locker, the user opens the lock with the key, the moving piece 154 releases the lock of the lock piece 152, and the lever 142 is held and rotated.

The rotation of the lever 142 is transmitted to the engagement bundle 130 by the camshaft 144 to move the engagement bundle 130 in the linear direction within the slide portion 115. As the latching bundle 130 moves, the leading end of the latching bundle 130 is disengaged from the latching portion on the locker side, and the door is opened.

Thereafter, when the user closes the door after the user has stored the goods, the inclined surface 132 is formed on the rear end surface of the hanging bundle 130, so that the hanging bundle 130 is retreated to close the door, The lock may be coupled through the through hole 152a of the piece 154 and the communication hole 154a to maintain the closed state of the door.

At this time, since the fixing piece 152, the moving piece 154, the lock and the like are not projected to the outside by the space, the main body 110 can be prevented from being injured by a safety accident.

On the other hand, even when the lock is engaged with the fixing piece 152 and the moving piece 154 when the door is closed, the breakage preventing portion 160 can prevent breakage of the fixing piece 152 and the moving piece 154 .

7, the user unlocks the door to open the door and hooks the separated lock to the fixing piece 152 and the moving piece 154 again.

In other words, if the door is closed due to such carelessness, the fixing piece 152 or the moving piece 154 is damaged and the function is lost, so that the parts must be replaced. have.

When the door is closed in a state where the lock is engaged with the fixing piece 152 and the moving piece 154, the locking piece 130 is retreated backward by the inclined surface 132, The block 164 is moved forward along the slide rail portion 162. That is, the slide block 164 is slid on the slide rail portion 162 regardless of the movement of the latching pawl 130 and is kept in a state of being aligned with the fixed piece 152. Therefore, even when the lock is engaged, Or breakage of the moving piece 154 can be prevented.

Thereafter, the latching bundle 130 is restored to the initial position by the elastic member 120, and the locking state of the door can be maintained by binding the lock to the fixing piece 152 and the moving piece 154.

Since the frictional force between the slide rail part 162 and the slide block 164 is larger than the frictional force between the engagement block 130 and the slide part 115, the slide block 164 is not loosened at the slide rail part 162, You can keep the position in position.

According to the locking device 100 for a locker according to an embodiment of the present invention as described above, the locking state of the door can be easily released by the rotation of the lever 142, thereby providing convenience in use, The breakage of the product can be prevented.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill 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 by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

100: locking device for locker 110:
112: intermediate case 112a: boss
113: long hole 114: rear case
115: slide part 115a:
116: front case 117: exposure hole
120: elastic member 130:
132: inclined surface 134: concave /
136: receiving groove 140: open / close operation part
142: lever 143: hinge shaft
144: camshaft 150:
152: Fixing piece 152a: Through hole
154: moving piece 154a: communicating hole
160: breakage prevention part 162: slide rail part
164: slide block

Claims (6)

A body embedded in the installation hole of the door;
A locking unit provided on the main body and elastically supported by an elastic member;
An opening / closing operation unit operable to selectively slide the latch bundle in the main body;
A locking unit for fixing the movement of the latching unit with a separate lock; And
And a breakage preventing unit provided in the latching unit and preventing the lock unit from being broken by an external force that moves the latching unit when the door is closed in a state where the lock is coupled to the lock unit;
Wherein the locking portion is fixed to the main body and has a through hole formed therein; And
And a moving piece provided in the latching bundle and in communication with the fixing piece and communicating with the through-hole;
The breakage preventing portion may include a slide rail portion formed in the latching bundle; And
And a slide block movably provided on the slide rail and coupled to the moving piece.
The method according to claim 1,
Wherein the main body is provided with a slide portion capable of sliding movement of the latching member;
Wherein a protruding portion is formed on one of the slide portion and the latching member to minimize a friction force between the slide portion and the latching member.
The method according to claim 1,
Wherein the opening / closing operation unit comprises: a lever hinged to the main body by a hinge shaft; And
And a cam shaft formed on one side of the lever to be eccentric with respect to the hinge shaft and connected to the latching unit to move the latching unit.
delete delete 3. The method of claim 2,
Wherein the frictional force between the slide rail part and the slide block is greater than the frictional force between the locking pawl and the slide part.

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