KR100541714B1 - Security Device for information storage media - Google Patents

Abstract

The anti-theft device is a case (1) consisting of the front case 10 and the rear case 20, the information storage medium (3) is accommodated therein and coupled to open and close each other, and the case (1) in a closed state The plurality of fastening rings 11, 12, 13, 22, 23, 24, 25 and the case 10 are formed to protrude at staggered positions of the front case 10 and the rear case 20 so as to be arranged side by side. It is provided with a locking device (2) for locking the case (1) by being inserted through the fastening rings in the closed state. The locking device 2 is hooked to the housing 30 and the locking jaw (26) formed in any one of the fastening ring 23 of the fastening ring by coming in and out of the housing 30, the hook ( 31, the inclined surface 35 inclined downward on the inner wall of the housing 30, and the movable body 38 having a magnetically seated seat on the inclined surface 35 in contact with one side of the hook 31; ). The hook 31 moves to the locked position or the released position by moving the movable body 38 along the inclined surface 35.

Information storage media, CDs, DVDs, theft, locks, lifts

Description

Security device for information storage media             

1 is a perspective view of a conventional anti-theft device.

Figure 2 is an exploded perspective view showing a locking device of a conventional anti-theft device.

Figure 3 is a bottom cross-sectional view of a conventional anti-theft device.

Figure 4 is a perspective view of the open state of the anti-theft device according to the invention.

Figure 5 is a partially enlarged perspective view of Figure 4 showing a state in which the locking device is coupled to the case.

6 is an exploded perspective view of the locking device.

7 is a plan sectional view of the locking device.

Fig. 8A is a cross sectional view along the line A-A in Fig. 7 showing the hook in the locked position.

FIG. 8B is a cross-sectional view taken along the line A-A in FIG. 7 showing a state where the hook is in a released position; FIG.

9 is a perspective view of the releaser;

Fig. 10A is a sectional view of the anti-theft device, showing a releasing operation by the release device.

10B is a cross-sectional view taken along the line B-B in FIG. 10A.

Figure 11 is a perspective view showing a state in which the case is separated from the locking device.

12 is an exploded perspective view showing a locking member according to another embodiment of the present invention.

13 is a perspective view showing a state in which the locking member of FIG. 12 is coupled;

14 is a perspective view showing a release device according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

1 case 2 lock device

10: front case 11, 12, 13: fastening ring

20: rear case 22, 23, 24, 25: fastening ring

23a: incision groove 26: locking jaw

30 housing 31 hook

32: elastic piece 35: inclined surface

38: movable body 40: fixed member

45: moving magnetic material 46: spring

48: fixed magnetic material 60: release

61: guide groove 62: the first magnet

63: second magnet 64: third magnet

The present invention relates to a device for preventing theft of information storage media such as DVDs, CDs, video tapes, etc. More specifically, the locking state is added only to a case in which the information storage medium is stored, An anti-theft device for preventing the theft of the information storage medium by being released.

Information storage media such as DVDs or CDs are mainly displayed in cases at retail or rental stores. Since information storage media are small and light, theft accidents frequently occur. Recently, an anti-theft device for preventing the information storage medium from being stolen is widely used by adding a locking function to the case in which the information storage medium is stored, and unlocking the case only through a release device provided separately at the checkout counter.

US Patent Nos. 5,598,728, 5,850,752 and 5,988,376 disclose examples of such conventional antitheft devices.

1 to 3 show a conventional anti-theft device disclosed in the above-mentioned US patent publications.

As shown in FIG. 1, the conventional anti-theft device includes a case 100 in which goods are accommodated therein and a locking device 200 that locks the case so as not to be opened. Grooves 110 and 120 are formed in lower portions of both sides of the case 100, respectively. The locking device 200 is moved to a housing 230 having a flange 232 surrounding the bottom of the case 100, a fixing hook 210 formed at one end of the housing 230, and the other end of the housing 230. It is provided with a movable hook 220 possible. In the state in which the fixed hook 210 is inserted into the groove 110 of one side of the case 21, the movable hook 220 moves to the inner side (locking position) of the housing 230 so that the groove 120 of the other side of the case 100 is inserted. By being inserted into), the case 100 is locked.

As shown in FIG. 2, the movable hook 220 is provided with an extension 222 extending toward the inside of the housing 230, and a curved portion 224a is disposed at the center of the lower portion of the extension 222. The branch is provided with a cross-piece 224. The inner wall of the housing 230 is formed with a pair of sleeves 240 facing each other. Each sleeve 240 accommodates a steel pin 242 in contact with the crosspiece 224, and a spring 241 that elastically supports the steel pin 242. When the movable hook 220 is moved to the locked position, the steel pin 242 presses both sides of the crosspiece 224 by the elastic force of the spring 241, so that the movable hook 220 is fixed at the locked position. On the other hand, the front surface 223 of the extension portion 222 of the movable hook 220 is elastically supported by a separate spring (250). Therefore, when the steel pin 242 is separated from the crosspiece 224, the movable hook 220 moves to the outside of the housing 230 (disengaged position) by the elastic restoring force of the spring 250, and thus the groove of the case 100. Depart from 120.

As shown in FIG. 3, the releasing operation of the movable hook 220 is performed by the releaser 300. The releaser 300 has a pair of magnets 310 facing each other with a spacing slightly wider than the width of the housing 230. When the housing 230 is located between the magnets 310, each steel pin 242 is separated from the crosspiece 224 by compressing the spring 241 by the magnetic force of the magnet 310. Then, the moving hook 220 is moved to the release position by the elastic restoring force of the spring 250, thereby releasing the locked state of the case 100.

By the way, in the conventional anti-theft device as described above, the steel pin 242 by pressing the side of the crosspiece 224 only by the force of the spring 241 to fix the moving hook 220 in the locked position. Since it employ | adopts, there exists a problem that the force which locks the case 100 is not very strong.

In addition, in the conventional anti-theft device, when releasing the lock state of the case 100 using the release device 200, the user moves the locking device 200 with one hand after the moving hook 220 moves to the release position. In the state of gripping, holding the other hand by lifting the case 100 to unlock the fixed hook 210, there is also a problem that the release operation is complicated.

The present invention was developed to solve the above problems, and an object of the present invention is to provide an anti-theft device that can reliably maintain the locked state of the case and can easily perform the locking and releasing operation.

An object of the present invention as described above is provided with a front case and a rear case coupled to be opened and closed mutually, a case for storing the information storage medium in a space formed between the front case and the rear case, and in the closed state A stolen including at least one pair of fastening rings formed to protrude from staggered positions of the front case and the rear case so as to communicate with each other, and a locking device for locking the case by being inserted through the fastening rings while the case is closed By providing a prevention device. The locking device includes a hook, which is selectively locked to a locking jaw formed in any one of the fastening rings by indenting into and out of the housing, the housing, and an inclined surface inclined downward on the inner wall of the housing. And a movable body having a magnetically seated seat on the inclined surface in a state of being in contact with one side of the hook. The hook is moved to a locked position or a released position by the movable body is elevated along the inclined surface.

The locking device extends along the longitudinal direction of the housing, one end of which has a cantilever-shaped elastic piece fixed inside the housing, and the hook is coupled to a free end of the elastic piece. As the elastic piece is bent left and right by lifting up and down along the inclined surface while the movable body is in contact with the side surface of the elastic piece, the hook moves to the locked position or the released position.

In addition, the locking device may be provided with a fixing member in contact with the hook to fix the hook in the locked position. The fixing member is installed in the housing so as to be movable, the front end of which is selectively in contact with the hook, a spring for urging the body in the direction of contact with the hook, and is installed at the rear end of the body and the magnetic force It is provided with a moving magnetic body that is pulled in a direction away from the hook.

In addition, the locking device may be provided with a fixed magnetic material that is installed at the front end of the housing and used to fix the position of the locking device during the release operation.

On the other hand, the locking step of locking the hook is preferably formed between a pair of incision grooves formed side by side on one surface of the fastening ring to be elastically deformable in a direction perpendicular to the entrance direction of the locking device.

The anti-theft device according to the present invention includes a release device for releasing the locked state of the case. The release device includes a guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction, and positioned in a lower portion of the movable body in a state where the locking device is inserted into the guide groove. A first magnet that attracts the first magnet, a second magnet that pulls the moving magnetic material away from the hook by being located behind the moving magnetic material, and a locking magnet that draws the fixed magnetic material by being located in front of the fixed magnetic material And a third magnet fixed to the guide groove.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

Figure 4 is a perspective view of the anti-theft device according to the invention, Figure 5 is an enlarged perspective view of a portion of the anti-theft device.

As shown in FIG. 4, the anti-theft device according to the present invention includes a case 1 of a rectangular box shape in which an information storage medium 3 such as a CD or a DVD is accommodated, and the case 1 is not opened. And a locking device 2 for locking.

The case 1 includes a front case 10 and a rear case 20 which are folded to each other to form a storage space of the information storage medium 3 therebetween. The case 1 is opened and closed by the front case 10 and the back case 20 being folded and unfolded. The disk 3 is fixedly accommodated in a seating portion 21 formed in a shape corresponding to the information storage medium 3 in the rear case 20. On one side of the front case 10, a plurality of rectangular fastening rings 11, 12, 13 are formed side by side. A plurality of rectangular fastening rings 22, 23, 24, and 25 are formed side by side to correspond to the fastening rings 11, 12, and 13 of the front case 10 on one side of the rear case 20.

As shown in FIG. 5, in the closed state of the case 1, the fastening rings 11 of the front case 10 are positioned between the pair of fastening rings 22 and 23 of the rear case 20. The other fastening rings 12 and 13 of the front case 10 are located between the other pair of fastening rings 24 and 25 of the rear case 20. With the case 1 closed, the locking device 2 is inserted into the case 1 through the fastening rings 11, 12, 13, 22, 23, 24, 25 in which the locks 2 are located side by side, thereby providing a case 1. Is locked. On the upper surface of one of the fastening rings 23 of the fastening rings of the rear case 20, a pair of incision grooves 23a formed along the longitudinal direction are formed, and the locking step 26 between the incision grooves 23a. ) Is formed. When the locking device 2 is inserted into the case 1, the hook 31 is locked to the locking jaw 26, so that the case 1 is locked in a closed state. On the other hand, the fastening ring 23 is formed of a material capable of elastic deformation, for example, a synthetic resin material. Therefore, the locking jaw 26 is elastically deformable in the vertical direction. If the hook 31 is caught on the catching jaw 26 and the force is applied excessively to forcibly remove the locking device 2 from the case 1, the catching jaw 26 is in contact with the hook 31. Thereby deforming downward. Therefore, it becomes more difficult for the hook 31 to escape from the catching jaw 26, so that the locking device 2 does not detach from the case 1 in the end.

6 is an exploded perspective view of the locking device 2, and FIG. 7 is a plan view of the locking device 2.

As shown in FIGS. 6 and 7, the locking device 2 includes a housing 30 having a rectangular pipe shape at both ends thereof, and a slit 30a formed in a width direction on one surface of the housing 30. In the housing 30, a cantilever-shaped elastic piece 32 is elastically swingable. One end of the elastic piece 32 is inserted into and fixed to the fixing groove 33 formed in the housing 30, and thus, when the force is applied to the other end (free end), the elastic piece 32 may be bent left and right about the fixing groove 33. have. Hook 31 is formed integrally with the free end of the elastic piece (32). As the elastic piece 32 is bent from side to side in the width direction of the housing 30, the hook 31 restrains the back case 20 while protruding into and out of the housing 30 through the slit 30a. It is selectively locked to 26. On the other hand, inside the housing 30, a pair of ribs 34 are vertically formed at predetermined intervals at positions adjacent to the slit 30a. An inclined surface 35 inclined downward from the side wall of the housing 30 is formed in the space partitioned by the pair of ribs 34. The spherical movable body 38 formed of steel is seated on the inclined surface 35.

As shown in FIG. 8A, the movable body 38 is seated in a space between the inner surface of the elastic piece 32 and the inclined surface 35, and moves up and down the elastic piece 32 to the left and right along the inclined surface 35. Swing 8A illustrates a state in which the hook 31 protrudes out of the housing 30 and is in a position (locked position) in contact with the locking jaw 26, wherein the movable body 38 is positioned above the inclined surface 35. Located. In this state, as shown in FIG. 8B, when the movable body 38 rolls down the inclined surface until it reaches the bottom of the housing 30, the elastic piece 32 is deformed by being pressed by the movable body 38. Bend to the left. Accordingly, the hook 31 is pulled out of the locking jaw 26 into the housing 30 (release position), whereby the locked state is released. By releasing the locked state, the locking device 2 can be released from the case 1, and the case 1 can be opened. The lowering operation of the movable body 38 is performed by the magnet 62 of the release device to be described later. That is, when the magnet 62 is positioned below the housing 30, the movable body 38 is lowered along the inclined surface 35 as shown in FIG. 8B by the magnetic force of the magnet 62. On the contrary, when the magnet 62 moves away from the housing 30, as shown in FIG. 8A, the elastic piece 32 is returned to the locked position by its elastic restoring force, and the movable body 38 is also above the inclined surface 35. Rises.

6 and 7, reference numeral 40 denotes a fixing member 40 disposed on the same line as the hook 31 to fix the hook 31 in the locked position. The fixing member 40 has a body 41 extending along the longitudinal direction of the housing 30 and a head 42 formed in an approximately "L" shape at one end of the body 41 to contact the hook 31. And, the other end of the body 41 is provided with a slot 43 formed in the "U" shape opened toward the side of the housing 30. And inside the housing 30, the rib 36 crossing the width direction is formed. A spring 46 is installed between the rib 36 and the fixing member 40. The fixing member 40 is pressed toward the hook 31 by the spring 46. While the fixing member 40 is in contact with the hook 31, the elastic piece 32 is prevented from moving left and right, so that the hook 31 is fixed in the locked position. In this way, by fixing the position of the hook 31 by the fixing member 40, it is possible to reliably prevent that the locked state is released due to abnormal deformation of the elastic piece (32). On the other hand, the movable magnetic material 45 is seated in the slot 43 of the fixing member 40 so that the fixing member 40 can be spaced apart from the hook 31 when the locking device 2 is released. The moving magnetic body 45 is moved away from the hook 31 by another magnet of the release device to be described later, so that the entire fixing member 40 is separated from the hook 31.

Reference numeral 48 denotes a fixed magnetic body 48 attached to the tip of the housing 30. The fixed magnetic body 48 is pulled by another magnet of the releaser to be described later in the release operation of the locker 2, so that the locker 2 is fixed inside the releaser.

9 illustrates a release device for releasing the locked state of the case.

As shown in FIG. 9, the release device 60 has a width slightly wider than the width of the case 1 and extends along the longitudinal direction, and the movable body 38 of the locking device 2. The first magnet 62 is buried in the lower portion of the guide groove 61 in correspondence to the), the second magnet 63 is buried in the side of the guide groove 61 in response to the movable magnetic material 45, It is provided with a third magnet (64) buried in front of the guide groove (61) corresponding to the stationary magnetic material (48). When the case 1 coupled with the locking device 2 enters the guide groove 61 of the release device 60 in the direction of the arrow in the drawing, the case 1 is driven by the magnetic force of each of the magnets 62, 63, and 64. ) The lock state is released.

10A, 10B, and 11, the release operation by the release device 60 will be described in detail.

First, as shown in FIG. 10A, when the case 1 completely enters the guide groove 61 of the release device 60, the second magnet 63 is positioned behind the moving magnetic body 45. The moving magnetic body 45 moves backward by the magnetic force of the second magnet 63. Accordingly, the fixing member 40 is also spaced apart from the hook 31 while compressing the spring 46 to release the restraint of the hook 31 and the elastic piece 32.

As shown in FIG. 10B, the first magnet 62 is positioned directly below the movable body 62. The movable body 62 is pushed down along the inclined surface 35 by being pulled by the first magnet 62 to push the elastic piece 32 to the left in the drawing. Accordingly, the hook 31 is released from the locking step 26 of the lower case 20 to the release position, thereby releasing the locked state.

On the other hand, the fixed magnetic body 48 provided at the distal end of the housing 30 is attracted by the magnetic force of the third magnet 62. In this state, as shown in FIG. 11, when the user retreats in the direction of the arrow while holding the case 1 with one hand, the locking device 2 remains in the guide groove 61 as it is, and the case ( Only 1) is guided out of the guide groove (61). Accordingly, since the locking device 2 is completely separated from the case 1, the case 1 can be opened.

12 to 14 show another embodiment of the present invention. Compared with the embodiment of FIGS. 1 to 11, this embodiment differs only in the form of the fixing member and the releaser.

12 and 13, the fixing member 40 ′ according to the present embodiment includes a body 41 ′ extending along the longitudinal direction of the housing 30 and one end of the body 41 ′. The head 42 'is formed in a substantially "L" shape and contacts the hook 31, and a groove 48 formed along the longitudinal direction at the tip end of the body 41' is provided. In addition, ribs 39 protruding toward the grooves 48 are formed on sidewalls of the housing 30. A spring 46 ′ is provided between the inner wall of the groove 48 and the rib 39. The fixing member 40 'is pressed toward the hook 31 by the spring 46'. Since the elastic piece 32 does not move left and right while the fixing member 40 is in contact with the hook 31, the hook 31 is fixed in the locked position. On the other hand, in the present embodiment, the movable magnetic material 45 'is inserted into and installed in the groove 49 formed in the lower rear end of the body 41'. Therefore, when the locking device 2 is inserted into the guide groove of the release device, the movable magnetic material 45 'faces the bottom surface of the guide groove.

Corresponding to the installation position of the moving magnetic material 45 ', as shown in FIG. 14, in the release device 60' according to the present embodiment, the second magnet 63 'is an inlet of the guide groove 61. It is installed in the lower part of the page. When the locking device 2 is fully inserted into the guide groove 61, the second magnet 63 ′ is positioned behind the moving magnetic body 45 ′. Thus, the fixing member 40 'is retracted in the direction of the arrow in FIG. 13 and spaced apart from the hook 31. As shown in FIG.

Meanwhile, in the above embodiments, the case 1 is illustrated as a book, but the front case 10 and the rear case 20 are integrally formed to be folded together, but the shape of the case 1 is It is not limited. That is, the present invention is applicable to a case having a structure in which the front case 10 and the rear case 20 are completely detachably coupled, or a case having a hinge structure in which the front case 10 and the rear case 20 are hinged. It will be possible.

In addition, in the above embodiments, the hook 31 illustrates the configuration in which the elastic piece 32 moves to a locked position or a release position as the elastic piece 32 is bent, but instead of the elastic piece 32, elastic force is applied to the hook 31. Other means that may be used, for example springs, may be used.

In addition, in the above embodiments, the upper case 10 and the lower case 20, but a plurality of fastening rings are respectively formed as an example, but only one fastening ring in the upper case 10 and the lower case 20, respectively. It may be formed. In this case, as in the above embodiment, the locking device 2 need not be formed to have the same length as the entire length of the case 1, and may be shorter.

As described above, according to the present invention, since the locking device is released only by a separate release device, it is possible to prevent theft of a CD or DVD.

In particular, according to the present invention, since the hook of the locking device is made of a structure that is locked to the locking jaw of the case, it is possible to ensure the lock of the case, by locking the hook in the locking position by the fixing member to lock by accident The state can be prevented from being solved. In addition, according to the present invention, since the locking device remains in the releaser during the release operation, the user only removes the case from the releaser while the case is held by one hand. That is, the user can easily perform the release operation using only one hand.

In the above, certain preferred embodiments of the present invention have been illustrated and described. However, the present invention is not limited to the above-described embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. will be.

Claims (13)

A case having a front case and a rear case coupled to each other so as to be open and close together, and accommodating an information storage medium in a space formed between the front case and the rear case; At least one pair of fastening rings each protruding at staggered positions of the front case and the rear case so that the case is in communication with each other in a closed state; And And a locking device that locks the case by being inserted through the fastening rings in the closed state. The locking device, housing; By hooking into and out of the housing, the hook selectively locked to the locking jaw formed in any one of the fastening ring; An inclined surface inclined downward on an inner wall of the housing; And It is provided with a movable body having a magnetic seated on the inclined surface in a state of being in contact with one side of the hook, The hook is an anti-theft device, characterized in that for moving the movable body along the inclined surface to move to a locked position or a release position. The method of claim 1, The locking device further includes an elastic piece having a cantilever shape extending in the longitudinal direction of the housing and fixed at one end thereof in the housing. The hook is coupled to the free end of the elastic piece, the movable body is moved along the inclined surface in the state in contact with the side of the elastic piece to move the lock position or release position as the elastic piece is bent left and right. Anti-theft device. The method of claim 2, The locking device further comprises a fixing member in contact with the hook to fix the hook in a locked position. The method of claim 3, wherein The fixing member, A body movably installed in the housing, the body of which tip is selectively in contact with the hook; And Anti-theft device, characterized in that it comprises a spring for pressing the body in the direction in contact with the hook. The method of claim 4, wherein The fixing member is installed on the rear end of the body, the anti-theft device further comprises a moving magnetic material that is pulled in a direction away from the hook by a magnetic force. The method of claim 2, The locking device, the anti-theft device characterized in that it further comprises a fixed magnetic material which is installed on the front end of the housing to fix the position of the locking device during the release operation. The method of claim 1, The movable body is an anti-theft device, characterized in that consisting of a sphere of steel. The method of claim 1, The locking jaw is formed between a pair of incision grooves formed in parallel on one surface of the fastening ring, characterized in that it is elastically deformable in a direction perpendicular to the entry direction of the locking device. The method of claim 1, Further comprising a releaser for releasing the locked state by the locking device, The releaser, A guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction; The anti-theft device is installed in the lower portion of the guide groove so that the locking device is located in the lower portion of the movable body in the state inserted into the guide groove, characterized in that it comprises a magnet for pulling the movable body downward. The method of claim 5, Further comprising a releaser for releasing the locked state by the locking device, The releaser, A guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction; A first magnet that pulls the movable body downward by being positioned below the movable body while the locking device is inserted into the guide groove; And The second anti-theft device comprises a second magnet that pulls the moving magnetic material in a direction away from the hook by being located behind the moving magnetic material in the state that the locking device is inserted into the guide groove. The method of claim 6, Further comprising a releaser for releasing the locked state by the locking device, The releaser, A guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction; A first magnet that pulls the movable body downward by being positioned below the movable body while the locking device is inserted into the guide groove; And Anti-theft device, characterized in that the locking device is located in front of the fixed magnetic material in the state inserted into the guide groove, the third magnet to attract the fixed magnetic material to secure the locking device to the guide groove . The method of claim 5, The locking device, the anti-theft device characterized in that it further comprises a fixed magnetic body installed on the front end of the housing. The method of claim 12, Further comprising a releaser for releasing the locked state by the locking device, The releaser, A guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction; A first magnet that pulls the movable body downward by being positioned below the movable body while the locking device is inserted into the guide groove; A second magnet that pulls the moving magnetic material away from the hook by being located behind the moving magnetic material while the locking device is inserted into the guide groove; And Anti-theft device, characterized in that the locking device is located in front of the fixed magnetic material in the state inserted into the guide groove, the third magnet to attract the fixed magnetic material to secure the locking device to the guide groove .

Images