KR20120007622U - Locking apparatus for locker - Google Patents

Abstract

The present invention has a free-stop elastic means having two joint springs which are compressed and released in a manner of moving closer to and away from each other within an angle range of 90 degrees or less, thereby rotating the key 90 degrees up and down. Locking and unlocking operation of the clasp according to the more smoothly, and relates to a locker device that can prevent theft by forming a separate locking step on the locking piece.
To this end, the locker device is a hollow cylindrical lock case that is inserted and fixed to one side end of the locker door, the key is inserted into the key operating portion to be rotated and unlocked by approximately 90 degrees, and the Locking mechanism to rotate (rotate) up and down 90 degrees according to the rotation of the angle of the upper and lower 90 degrees of the key operating part to be caught or disengaged by the locking piece installed on one side of the locker, and the locking lever is free-stop type. It is made of elastic means for imparting elastic force to rotate 90 degrees.

Description

Locker lock device {LOCKING APPARATUS FOR LOCKER}

The present invention relates to a locker device, and more particularly, to a free-stop elastic means having two joint springs which are compressed and released in a manner of moving closer to and away from each other within an angle range of 90 degrees or less. By providing, the locking and unlocking operation of the clamp according to the rotation of the angle of 90 degrees up and down of the key is made more smoothly, and relates to a locker lock device that can prevent theft by forming a separate locking jaw on the locking piece. .

In general, a locker is installed in a school, a library, a jjimjilbang, or the like, so that users can store their goods for a temporary or fixed period. Therefore, there are many examples of a separate locking device in the door of the locker.

1 is a perspective view showing an operating state of a conventional locker lock device.

As shown in FIG. 1, the locker according to the related art allows the locker to be rotated to the hook tool M protruding from the side of the locker, but the locker 120 is provided through the elastic force of the elastic spring 163. Screw 150 is coupled to the fastening plate 116 to be restored. In addition, the stopper protrusion 161 protruding from the fastening plate 116 and the hooking protrusion formed on one side of the locker 120 to hang the elastic spring 163 of a circular shape so that the elastic force of the elastic spring 163 can be accurately acted. When the opening is greater than the angle, the elastic force of the elastic spring 163 is to be applied naturally.

In addition, on one side of the fastening plate 116 is formed a long protruding stopper protrusion 161 is a state in which the locker 120 is limited to the maximum angle restored through its elastic force. And the housing 171 shown in dashed lines is formed to secure the locking device, one side of the housing 171 has formed a separate interlocking hole 172 so that the locker 120 can be rotated. .

However, the conventional locker lock device as described above, there is a problem that not only the operation of the lock device is cumbersome to try to lock through the rotating locker, but also does not smoothly lock and unlock.

In addition, the conventional locker lock device as described above is simply locked so that the locker 120 is rotated to the hanger (M), if the thief of the locker can easily separate the locker and the hanger, theft of theft There was concern.

An object of the present invention is to solve the above-mentioned conventional problems, and free-stop elasticity having two joint springs which are compressed and released in the form of approaching and away from each other within an angle range of 90 degrees or less. By providing means, it is to provide a locker locking device that the locking and unlocking operation of the clamp according to the rotation of the angle of 90 degrees up and down of the key more smoothly.

Another object of the present invention is to provide a locker that can prevent theft by forming a locking projection on the clasp and forming a separate locking jaw on the locking piece corresponding thereto.

In order to achieve the above object, the locker lock device according to the present invention, a hollow cylindrical locking case is inserted into one side end of the locker door, the flange plate is vertically integrally formed on one side; It is installed to penetrate through the hollow cylindrical lock case, the screw fastening groove is formed on one side is fastened by the screw, the key insertion groove is formed on the other side, the cylindrical outer cylinder is formed in the outer peripheral edge radially formed A hollow cylindrical key operating guide having an upper key operating body and a cylindrical key operating main body, the other end of which is inserted into the inner side and a 90 degree arc-shaped guide groove formed at one end thereof so that the locking projection can be rotated up and down at an angle of 90 degrees. A key operating portion comprising a portion; A fastening hole is formed to be interlocked and fastened together by the screw to the one side of the cylindrical key operation body portion, and one side is guided at an angle of 90 degrees along the outer circumference of the one side of the cylindrical key operation body portion. A first guide protrusion having a first spring fitting groove is provided, and includes a lock for locking or engaging the locking piece installed on one side of the locker by rotating the upper and lower 90 degrees according to the rotation of the upper and lower 90 degrees of the key operation part. ; A second guide protrusion having a second spring fitting groove formed at an end of one surface of the flange plate of the cylindrical lock case opposite to the first guide protrusion of the clamp; A first spring coil portion wound around the first spring fitting groove of the first guide protrusion, a second spring coil portion wound around the second spring fitting groove of the second guide protrusion, and the first spring coil portion and the first spring coil portion It is made of a resilient means consisting of a third coil spring connected by a first joint spring and connected by the second spring coil portion and the second joint spring, wherein the lock according to the rotation of the key operating portion of the angle of 90 degrees When the first and second joint springs are moved close to each other within an arc-shaped angle range of 90 degrees or less relative to the third coil spring when rotated 90 degrees up and down, the compression and unwinding operation is performed. Free-stop) characterized in that the clamp is rotated 90 degrees up and down.

Here, another locking protrusion protrudes from the inner side of the other end of the clamp, and a locking jaw is formed in the inner space of the locking piece corresponding to the locking protrusion of the locking key at the time of locking so that the locking protrusion and the locking jaw of the clamp in the locked state. It is desirable to be in this mutually engaged state.

In addition, the outer periphery of the other side of the cylindrical cylindrical lock case is preferably formed with a screw portion is fixed to the screw fastening of the hollow cylindrical handle portion.

In addition, it is preferable that a screw fastening groove is formed at an upper end of the second guide protrusion of the flange plate such that a fan-shaped elastic means cover plate is coupled to cover the entire elastic means through bolts.

According to the locker lock device according to the present invention is configured as described above, the free-stop elastic means having two joint springs which are compressed and released in the form of approaching and away from each other within an angle range of 90 degrees or less. By providing a locking and unlocking operation of the clamp according to the rotation of the angle of 90 degrees up and down of the key more smoothly, there is an effect that can prevent theft by forming a separate locking jaw on the locking piece.

1 is a perspective view showing an operating state of a conventional locker lock device.
Figure 2a is an exploded perspective view of the locker lock device according to the present invention.
Figure 2b is a combined perspective view of the locker lock device according to the present invention.
3 is a perspective view showing a mounting state of the locker lock device according to the present invention.
4a and 4b is an operating state diagram showing an operating state of the locker lock device according to the present invention.
5a to 5c is an operating state diagram showing an operating state of the elastic means of the locker lock device according to the present invention.
Figure 6 is a schematic perspective view showing a locking piece applied to the locker lock device according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

Figure 2a is an exploded perspective view of the locker lock device according to the present invention, Figure 2b is a combined perspective view of the locker lock device according to the present invention, Figure 3 is a perspective view showing the mounting state of the locker device according to the present invention, Figure 4a And Figure 4b is an operating state diagram showing the operating state of the locker lock apparatus according to the present invention, Figures 5a to 5c is an operating state diagram showing the operating state of the elastic means of the locker lock device according to the present invention, Figure 6 is the present invention As a schematic perspective view showing a locking piece applied to the locker lock according to, it will be described together for convenience.

As shown, the locker lock device 100 according to the present invention, the hollow cylindrical lock case 10 and the key 3 is inserted into the one side end of the locker door 2, the key 3 is fitted A locking piece installed on one side of the locker 1 by rotating (rotating) the key operating part 20 to rotate and lock and release the angle by approximately 90 degrees, and the upper and lower 90 degrees according to the rotation of the upper and lower angles of 90 degrees. (4) is largely composed of a fastener (30) to be caught or latched, and the elastic means (40) for imparting an elastic force so that the fastener (30) rotates 90 degrees up and down in a free-stop manner.

The hollow cylindrical lock case 10 is inserted and fixed at one end of the locker door 2, while the key operation unit 20 is inserted into the space therein and fastened as described later.

In addition, the flange plate 11 is integrally formed in one side of the hollow cylindrical lock case 10 in the vertical direction.

As described later, the flange plate 11 has a second guide protrusion 11-1 to which one surface of the second spring coil 42 of the free-stop elastic means 40 is coupled. It is formed to help the 90 degree rotation in the form of free-stop.

In addition, a screw portion 12 is formed at the outer circumference of the other side of the hollow cylindrical lock case 10 so that the hollow cylindrical handle portion 60 can be fastened and fixed.

The key operation unit 20 is installed through the hollow cylindrical lock case 10, the one side is fastened to the cylindrical lock case 10 by a screw (50), On the other side, the key 3 is press-fitted to the other end of the cylindrical lock case 10 so as to fit the key 3 through the key insertion groove 21-2 formed at the end thereof.

That is, the key operating portion 20, the nut inner fastening groove (21-1) is fastened by the screw 50 is formed on one side inner circumference, the key insertion groove (21-2) is formed on the other side A cylindrical key operation body 21 in which a locking projection 21-3 is radially formed at the center outer circumference; The other side (part) of the cylindrical key operation body part 21 is inserted into the inside, and a 90 degree arc shape so that the locking projection 21-3 can rotate up and down at an angle of 90 degrees at one end. It consists of a hollow cylindrical key operation guide portion 22 is formed with a guide groove (22-1) of.

In this way, a 90-degree arc-shaped guide groove 22-1 is provided at one end of the hollow cylindrical key operating guide portion 22, so that the user inserts the key 3 into the key insertion groove 21. -2) both locking jaws of the guide groove 22-1 of the 90-degree arc-shaped guide projection radially when the locking projection 21-3 is rotated to the upper or lower side after fully inserted in (-2) (Not yet) to limit the rotation to only about 90 degrees.

The clasp 30 is rotated 90 degrees substantially in accordance with the rotation of approximately 90 degrees of the key 3 inserted into the key insertion groove 21-2 so that the locking piece 4 can be caught or locked. Lock or unlock the locker (1) according.

That is, a fastening hole 31 is formed at one side (upper side in the drawing) of the clamp 30 so that the inner side of the screw 50 and the cylindrical key operation body 21 at the time of fastening by the screw 50 is formed. It is interposed between the nut fastening groove 21-1 formed on the periphery so that the fastener 30 is interlocked with the cylindrical key operation body 21.

In addition, a first guide protrusion 32 having a first spring fitting groove 32-1 slightly spaced apart from the fastening hole 31 of the clamping portion 30 is provided, and rotates an angle of 90 degrees up and down the key operating portion. At the time of the cylindrical key operation main body portion 21 is guided up and down at an angle of 90 degrees along the outer periphery of the one side. The first guide protrusion 32 may be mounted in the form of a fastening bolt as shown, but of course it may be integrated.

Meanwhile, the first spring coil 41 of the free stop type elastic means 40 is coupled to the first spring fitting groove 32-1 of the first guide protrusion 32 of the clamping plate 30. A second spring fitting groove 11-2 at one end of the flange plate 11 of the cylindrical lock case 10 opposite to the first guide protrusion 32 of the clamping plate 30; The formed second guide protrusion 11-1 is integrally formed.

In this way, the first spring coil 41 and the second spring coil 42 of the elastic means 40 according to the present invention, respectively, the first guide protrusion 32 and the flange plate 11 of the clamping plate 30 By coupling so as to add an elastic force to the second guide projection (11-1) of the), 90 degrees of rotation can be made in a free stop.

In more detail, according to the present invention, the free stop type elastic means 40 may be formed of a first spring fitting groove 32-1 of the first guide protrusion 32 of the clasp 30. The first spring coil portion 41, the second spring coil portion 42 wound around the second spring fitting groove 11-2 of the second guide protrusion 11-1 of the flange plate 11, and A third coil connected by the first spring coil part 41 and the first joint spring 41-1 and connected by the second spring coil part 42 and the second joint spring 42-1. A spring 43, but after the actual engagement, the third coil spring 43 when the upper and lower 90 degrees of the locking clamp 30 in accordance with the rotation of the angle of 90 degrees up and down of the key operating portion 20 relative to the third coil spring 43 The first and second joint springs 41-1 and 41-2 are closer to each other within an angle range of an arc shape of less than or equal to about 90 degrees or less (0-90 degrees). The pawl 30 is rotated up and down 90 degrees is actuated compression and loosening the free-stop (stop-free) type.

That is, as shown in FIG. 5A, when the clamp 30 is locked to the locking piece 4, the first and second joint springs 41-1 and 41-2 are the third spring 43. ) Is disposed between the first guide protrusion 32 of the clamp 30 and the second guide protrusion 11-1 of the flange plate 11 at an angle of about 90 degrees with respect to each other.

At this time, as shown in Figure 5b, when the user rotates to the upper side in the state in which the key 3 is fully inserted into the key insertion groove (21-2), the locking key which is interlocked with the cylindrical key operation main body 21 30 is rotated in an upward direction, whereby the first guide protrusion 32 of the clamp 30 is at an angle of 90 degrees upward along the outer periphery of the one side of the cylindrical key operation body 21. In this case, the second guide protrusion 11-1 of the flange plate 11 is in a fixed state, and at the time of rotation of the angle of about 45 degrees at the time of 90 degrees upward rotation of the clamping plate 30, the guide guide 11-1 of the flange plate 11 is fixed. The first and second joint springs 41-1 and 41-2 are compressed to be closer to each other based on the third spring 43, and thereafter, the first and second joint springs 41-1 and 41-2 are automatically moved away from each other by the compressive force and free-stop. stop) is automatically rotated upward 90 degrees to release the lock (see Fig. 5c).

Of course, when the user locks the locker lock device 100 according to the present invention using the key 3 again, the first and the third between the third spring 43 in the reverse order of FIGS. 5A to 5C described above. By the compression and decompression of the two-joint springs 41-1 and 41-2, the clamping mechanism 30 is automatically rotated 90 degrees downward to engage the locking piece 4 and becomes locked. .

On the other hand, the engaging projection 33 is formed on the inner surface of the other end of the locking clamp 30, the locking jaw (4) in the inner space of the locking piece (4) corresponding to the locking projection 33 at the time of locking -1) is formed so that the locking projection 33 and the locking jaw (4-1) in the locked state is in the interlocking state can not be easily pulled out to prevent theft.

In addition, a screw fastening groove 11-3 is formed at an upper end of the second guide protrusion 11-1 of the flange plate 11 so that an elastic means cover plate 70 having a substantially fan shape is formed through the bolt 71. The elastic means 40 is covered so that it can be combined.

Although the present invention has been described in detail with reference to the preferred embodiments according to the present invention, it is not intended to limit the present invention only to illustrate the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention. It should be noted that not only is this possible, but also this is within the scope of the present invention.

100: locker lock device according to the present invention
1: locker 2: locker door
3: key 4: locking piece
4-1: Hanging Jaw 10: Hollow Cylindrical Lock Case
11: flange plate 11-1: 2nd guide protrusion
11-2: 2nd spring fitting groove 11-3: screw fastening groove
12: screw portion 20: key operating portion
21: cylindrical key operation body 21-1: nut fastening groove
21-2: Key insertion groove 21-3: Jamming protrusion
22: hollow cylindrical key operation guide
22-1: 90 degree arc-shaped guide groove
30: fastener 31: fastening hole
32: 1st guide protrusion 32-1: 1st spring fitting groove
33: locking projection 40: elastic means
41: first spring coil 41-1: first joint spring
42: second spring coil 42-1: second joint spring
43: third coil spring 50: screw
60: hollow cylindrical handle portion 70: elastic means cover plate
71: bolts

Claims (4)

A hollow cylindrical locking case inserted into one end of the locker door and having a flange plate vertically formed on one side thereof;
It is installed through the cylindrical lock case of the hollow shape, one side is formed with a screw fastening groove is fastened by a screw, the other side is formed with a key insertion groove, the outer peripheral edge of the cylindrical radially formed protrusions are formed A hollow cylindrical key operating guide having an upper key operating body and a cylindrical key operating main body, the other end of which is inserted into the inner side and a 90 degree arc-shaped guide groove formed at one end thereof so that the locking projection can be rotated up and down at an angle of 90 degrees. A key operating unit made of
A fastening hole is formed to be interlocked and fastened together by the screw to the one side of the cylindrical key operation body portion, and one side is guided at an angle of 90 degrees along the outer circumference of the one side of the cylindrical key operation body portion. A first guide protrusion having a first spring fitting groove is provided, and includes a lock for locking or engaging the locking piece installed on one side of the locker by rotating the upper and lower 90 degrees according to the rotation of the upper and lower 90 degrees of the key operation part. ,
A second guide protrusion having a second spring fitting groove formed at an end of one surface of the flange plate of the cylindrical lock case facing the first guide protrusion of the clamp;
A first spring coil portion wound around the first spring fitting groove of the first guide protrusion, a second spring coil portion wound around the second spring fitting groove of the second guide protrusion, and the first spring coil portion and the first spring coil portion It is made of an elastic means consisting of a third coil spring connected by a first joint spring and connected by the second spring coil part and the second joint spring,
When the first and second joint springs are within 90 degrees of an arc shape of 90 degrees or less relative to the third coil spring when the upper and lower 90 degrees of the clamping part rotates according to the rotation of the upper and lower 90 degrees of the key operating portion. Locking device, characterized in that the locking mechanism is rotated up and down 90 degrees in a free-stop manner by the compression and decompression operation in the form of closer and farther away. The method of claim 1,
On the inner surface of the other end of the clasp another projection is formed protruding, the locking jaw is formed in the inner space of the locking piece corresponding to the locking projection of the locking when the locking lock and the locking projection and the locking jaw mutually in the locked state Locker lock, characterized in that the engagement state. The method of claim 1,
Locker device, characterized in that the screw portion is formed on the outer periphery of the other side of the cylindrical cylindrical lock case is screwed fastening the hollow cylindrical handle portion. The method according to any one of claims 1 to 3,
Locking device, characterized in that the screw fastening groove is formed on the upper end of the second guide projection of the flange plate to form a fan-shaped elastic means cover plate to cover the entire elastic means through the bolt.

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