KR100549791B1 - Security Device for information storage media - Google Patents

Abstract

The anti-theft device is made of a front case 10 and a rear case 20 which are coupled to each other to be opened and closed, the case 1 for storing the information storage medium therein, and inserted into one side of the case 1 and locked. Locking device (2) for selectively locking the case (1) while moving to the position or release position, and one or more fastening ring is formed protruding on one side of the rear case 20 to form the insertion passage of the locking device (2) 22 and a fixing jaw 11 protruding from one side of the front case 10 so as to be positioned in the insertion passage. The locking device 2 is fixed to the housing 30 and the locking hook 26 formed on one side of the fastening ring 22 at the locked position by being in and out of the housing 30. And a fixing hook 32 protruding along the longitudinal direction of the housing 30 to be locked to the fixing jaw 11 in the locked position, and an inclined surface 35 inclined downward on the inner wall of the housing 30. It is provided with a movable body (38) having a magnetically seated seat on the inclined surface (35) in contact with one side of the hook (31). The movable hook 31 is selectively lifted into and out of the housing 30 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 anti-theft device according to the invention.

FIG. 5 is a partially enlarged perspective view of FIG. 4, showing a state in which the locking device is in the locked position. FIG.

6 is an exploded perspective view of the locking device.

7 is a perspective view of the locking device combined.

FIG. 8A is a cross-sectional view taken along the line A-A in FIG. 7 showing a state where the movable hook protrudes out of the housing. FIG.

FIG. 8B is a cross-sectional view taken along the line A-A in FIG. 7 showing a state in which the movable hook has entered the housing. FIG.

9 is a perspective view of the releaser;

10 is a cross-sectional view of the anti-theft device according to the present invention, showing a release operation by the release device.

FIG. 11 is a sectional view taken along the line B-B in FIG. 10; FIG.

12 is a cross-sectional view taken along the line C-C in FIG.

13 is a perspective view showing a state in which the locking device is in the release position.

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

1 case 2 lock device

10: front case 11: first fixing jaw

13: second fixing jaw 20: rear case

21, 22, 23: fastening ring 26: locking jaw

28: fixed slot 30: housing

31: movable hook 31a: elastic arm

35: slope 38: movable body

40: fixing member 45: moving magnetic material

46: spring 48: fixed magnetic material

60: release 61: guide groove

62: 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 opposing magnets 310 spaced slightly apart from 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 each other to be opened and closed, the case for storing the information storage medium in a space formed between the front case and the rear case, and on one side of the case A locking device for selectively locking the case while being inserted and moving to a locking position or a releasing position, one or more fastening rings protruding from one side of the rear case to form an insertion passage of the locking device, and in the insertion passage; It is achieved by providing an anti-theft device comprising a fixing jaw formed to protrude on one side of the front case to be located. The locking device has a housing, a movable hook which locks into the locking jaw formed on one side of the fastening ring at the locking position by protruding into and out of the housing, and protrudes along the longitudinal direction of the housing, thereby locking position. And a movable hook locked to the fixed jaw, an inclined surface formed to be inclined downward on the inner wall of the housing, and a movable body having a magnetically mounted seat on the inclined surface in contact with one side of the movable hook. . The movable hook is selectively lifted into and out of the housing by moving the movable body along the inclined surface.

The locking device may further include a fixing slot formed at a central portion of the fastening ring to lock the movable hook when the locking device is in a release position. In this case, the movable body is locked to the locking jaw when the locking device is in the locked position, and locked to the fixing slot when the locking device is in the unlocked position.

The locking device may further include a cantilever-shaped elastic arm extending in the longitudinal direction of the housing and fixed to the inside of the housing, and the movable hook may be coupled to a free end of the elastic arm. As the movable body moves up and down along the inclined surface in contact with the side of the elastic arm, the elastic arm is bent left and right, thereby selectively appearing in and out of the housing.

In addition, the locking device may further include a fixing member for contacting the movable hook to fix the position of the movable hook. The fixing member is installed to be movable in the housing, the front end of the body selectively contacts with the movable hook, a spring for pressing the body in the direction of contact with the movable hook, and the rear end of the body It may be provided in the, and may be provided with a moving magnetic material that is pulled in a direction away from the movable hook by a magnetic force.

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

The anti-theft device according to the present invention includes a release device for releasing the locked state of the case. The release device has a guide groove having a width slightly wider than the width of the case and extending in the longitudinal direction, and positioned below the movable body with the locking device inserted into the guide groove, thereby moving the movable body downward. A first magnet attracting to the second magnet; 3 magnets.

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 illustrated in FIG. 4, the anti-theft device according to the present invention includes a rectangular box-shaped case 1 in which an information storage medium such as a CD or a DVD is accommodated, and a membrane for locking the case 1 so as not to be opened. A large locking device 2 is provided.

The case 1 includes a front case 10 and a rear case 20 which are rotatably coupled to each other to form an accommodation space of the information storage medium therebetween. The case 1 is opened and closed by turning the front case 10 and the back case 20 relatively about the hinge axis 4. The information storage medium may be stored directly in the case 1 or may be stored in the case 1 in a state of being stored in a separate auxiliary case (not shown). On one side of the rear case 20, a plurality of fastening rings 21, 22, 23 are formed to protrude side by side at a predetermined interval. The fastening rings 21, 22, 23 form the insertion passage of the locking device 2. Meanwhile, the first fixing jaw 11 and the second fixing jaw 13 are approximately "L" at one side of the front case 10 facing the fastening rings 21, 22, and 23 of the rear case 20. "Protruding in a shape.

As shown in FIG. 5, when the case 1 is closed, the first fixing jaw 11 of the front case 10 is positioned between the first and second fastening rings 21 and 22 of the rear case 20. The second fixing jaw 13 of the front case 10 is located behind the third fastening ring 13 of the rear case 20.

The locking device 2 includes the movable hook 31 which is caught by the locking jaw 26 formed on the side surface of the second fastening ring 22 of the rear case 20 and the front case 10 in a state where the case 10 is closed. It is provided with a fixing hook 32 that is caught on the fixing jaw (11) of. At the distal end of the locking device 2, a thin extension part inserted into the third fastening ring 23 of the rear case 20 and locked to the second fixing jaw 13 of the front case 10 ( 36) is formed. In addition, the locking device 2 is provided with a groove 37 to allow the first fixing jaw 11 of the front case 10 to be seated, and the fixing hook 32 is locked to the upper end of the groove 37. It protrudes along the longitudinal direction of the apparatus 2.

With the case 1 closed, if the locking device 2 is inserted along the insertion path formed by the fastening rings 21, 22, 23 of the rear case 20, the fixing hook 32 is first fixed. Locked on the jaw 11, the extension 36 is locked to the second fixing jaw 13, the movable hook 31 is locked to the locking jaw 26, so that the case 1 is locked in a closed state do. That is, FIG. 5 shows a state in which the locking device 2 is in the "locking position".

On the other hand, the fixing slot 28 is formed in the center of the fastening ring (22). When the locking device 2 moves out of the case 1 in the locking position of FIG. 5, the fixing hook 32 is released from the first fixing jaw 11 of the front case 10, and the extension part 36 is also The case 1 may be opened by moving away from the second fixing jaw 13 of the front case 10. At this time, the movable hook 31 is inserted into the fixing slot 28 to prevent the locking device 2 from being completely separated from the case 1. This position of the locking device 1 is hereinafter referred to as " release position " (see FIG. 13). That is, the locking device 2 selectively locks the case 1 while moving between the locking position and the releasing position. In this way, since the locking device 2 is not completely released from the case 1 during the release operation, there is no fear that the locking device 2 will be lost.

6 is an exploded perspective view of the locking device 2, Figure 7 is a perspective view of the engaged state of the locking device (2).

As shown in FIGS. 6 and 7, the locking device 2 includes a housing 30 having a substantially rectangular pipe shape at both ends, and a slit 30a formed in a width direction on one surface of the housing 30. In the housing 30, a cantilever-shaped elastic arm 31a is elastically swingable. One end of the elastic arm 31a is inserted into and fixed to the fixing groove 33 formed in the housing 30 so that when the force is applied to the other end (free end), the elastic arm 31a swings elastically to the left and right about the fixing groove 33. can do. The movable hook 31 is integrally formed at the free end of the elastic arm 31a. The elastic arm 31a is bent from side to side in the width direction of the housing 30, so that the movable hook 31 emerges into and out of the housing 30 through the slit 30a, thereby catching the rear case 20. It is selectively locked to the jaw 26.

In the housing 30, a pair of ribs 34 are formed vertically at a predetermined distance from each other at a position 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 arm 31a and the inclined surface 35, and moves up and down the elastic arm 31a to the left and right along the inclined surface 35. Swing 8A illustrates a state in which the movable hook 31 protrudes out of the housing 30 to be locked to the locking jaw 26 of the rear case 20 (locking position). It is located above the inclined surface 35. In this state, as shown in FIG. 8B, when the movable body 38 rolls down the inclined surface 35 until it reaches the bottom of the housing 30, the elastic arm 31a is moved by the movable body 38. It is deformed by bending and bent to the left. Accordingly, the movable hook 31 is pulled out of the latching jaw 26 of the rear case 20 into the housing 30 to release the locked state. In this way, by being released from the locked state, the locking device 2 can be slightly removed from the case 1 and moved to the unlocked position. Thus, 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, the elastic arm 31a returns to the locked position by its elastic restoring force as shown in FIG. Rises.

6 and 7, reference numeral 40 denotes a fixing member 40 disposed on the same line as the movable hook 31 to fix the movable hook 31 in the locked position. The fixing member 40 includes a body 41 extending along the longitudinal direction of the housing 30 and a head formed in an approximately “L” shape at one end of the body 41 to contact the movable hook 31 ( 42 and a groove 43 formed along the longitudinal direction at the distal end of the body 41. In addition, ribs 39 protruding toward the grooves 43 are formed on sidewalls of the housing 30. A spring 46 is provided between the inner wall of the groove 43 and the rib 39. The fixing member 40 is pressed toward the movable hook 31 by the spring 46. Since the elastic arm 32 does not move from side to side while the fixing member 40 is pressing the movable hook 31, the movable hook 31 is fixed in the locked position. In this way, by fixing the position of the movable hook 31 by the fixing member 40, it is possible to reliably prevent the lock state from being released due to abnormal deformation of the elastic arm 32 or the like.

On the other hand, in the rear of the body 41, a moving magnetic body 45 is inserted and installed so as to separate the fixing member 40 from the movable hook 31 during the release operation of the locking device 2. The moving magnetic body 45 moves away from the movable hook 31 by the magnetic force of the other magnet 63 of the releaser, which will be described later, so that the entire fixing member 40 is spaced apart from the movable 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 64 of the releaser, which will be described later, in the release operation of the locking device 2, so that the locking device 2 is fixed inside the releaser.

9 shows the release device 60 for releasing the locked state of the case 1 by moving the locking device 2 to the release position.

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 provided in the lower portion of the guide groove 61 in correspondence with), the second magnet 63 is provided in the lower portion of the guide groove 61 in correspondence with the movable magnetic material 45, and the fixed magnetic body 48 It is provided with a third magnet 64 provided in front of the guide groove 61 in correspondence with (). 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.

Hereinafter, the release operation by the release device 60 will be described in detail with reference to FIGS. 10 to 14.

First, as shown in FIGS. 10 and 12, 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. Done. 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 movable hook 31 while compressing the spring 46, thereby releasing the restraint of the movable hook 31 and the elastic arm 31a.

As shown in FIG. 11, the first magnet 62 is positioned directly below the movable body 38. The movable body 38 is pushed down along the inclined surface 35 by being pulled by the first magnet 62 to push the elastic arm 31a to the left in the drawing. Accordingly, the movable hook 31 is released from the latching jaw 26 of the lower case 20 so that the locked state is released.

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, when the user grips the case 1 with one hand and pulls it out of the release device 60, the locking device 2 is moved in the opposite direction relative to the case 1. As shown in FIG. 13, the locking device 2 is moved until the movable hook 31 is fixed to the fixing slot 28. As a result, the fixing hook 32 of the locking device 2 deviates from the first fixing jaw 11 of the front case 10, and the extension part 36 also has the second fixing jaw 13 of the front case 10. By deviating from, the case 1 can be opened.

In the above-described embodiment, the movable hook 31 is shown to retreat into / outside the housing 30 as the elastic arm 31a is bent. Other means that may be used, for example springs, may be used.

In addition, in the above embodiment, although the first fixing jaw 11 and the second fixing jaw 13 is formed on the front case 10 as an example, any one of them will be sufficient to lock the case (1). .

 In addition, in the above embodiment, although a plurality of fastening rings 21, 22, 23 are formed on the rear case 20, for example, only one second fastening ring 22 may be formed on the rear case 20. .

In addition, in the above embodiment, although the locking device 2 reciprocates between the locking position and the releasing position in the rear case 20, the locking and releasing operation of the case 1 is taken as an example. By not forming the fixing slot 28 in the 22, the locking device 2 may be completely separated from the case 1 so that the release operation of the case 1 may be performed.

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 movable hook of the locking device is locked to the latching jaw of the case, and the fixing hook is configured to be locked to the fixing jaw of the case, it is possible to secure the lock of the case. Further, by fixing the movable hook to the locked position by the fixing member, it is possible to prevent the lock state from being released by an unforeseen situation.

In addition, according to the present invention, if the user simply inserts and removes the case in the state of holding the case with one hand, the case is unlocked, so that the user can easily perform the release operation using only one hand.

Further, according to the present invention, since the locking device reciprocates between the locking position or the releasing position inside the case, the locking or releasing operation of the case is performed, so that there is no fear of losing the locking device.

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; A locking device inserted into one side of the case and selectively locking the case while moving to a locked position or a released position; One or more fastening rings protruding from one side of the rear case to form an insertion passage of the locking device; And It includes a fixing jaw protruding to one side of the front case to be located in the insertion passage, The locking device, housing; A movable hook locked in and out of the housing by locking the engaging jaw formed at one side of the fastening ring at the locked position; A fixing hook protruding along the longitudinal direction of the housing and locked to the fixing jaw at a locking position; An inclined surface inclined downward on an inner wall of the housing; And It is provided with a movable body having a magnetically seated on the inclined surface in a state in contact with one side of the movable hook, The movable hook is an anti-theft device, characterized in that the movable body is selectively raised in and out of the housing by lifting up and down along the inclined surface. The method of claim 1, It is formed in the center of the fastening ring, characterized in that the anti-theft device further comprises a fixing slot for locking the movable hook when the locking device is in the release position. The method of claim 2, The locking device further includes a cantilever-shaped elastic arm extending in the longitudinal direction of the housing and fixed at one end thereof in the housing. The movable hook is coupled to the free end of the elastic arm, and as the movable body is lifted along the inclined surface in contact with the side surface of the elastic arm, the elastic arm is bent from side to side, thereby selectively selecting the inside and the outside of the housing. Anti-theft device, characterized in that haunted by. The method of claim 3, wherein The locking device further comprises a fixing member for contacting the movable hook to fix the position of the movable hook. The method of claim 4, wherein The fixing member, A body movably installed in the housing, the body of which tip is selectively in contact with the movable hook; And Anti-theft device, characterized in that it comprises a spring for pressing the body in contact with the movable hook. The method of claim 5, 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 movable hook by a magnetic force. The method of claim 2, The locking device, the anti-theft device is characterized in that it further comprises a fixed magnetic material that is fixed to the position of the locking device is installed in the distal end of the housing 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, Further comprising a releaser for releasing the locked state of the case 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 of the case 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 And a second magnet that pulls the movable magnetic material away from the movable hook by being positioned behind the movable magnetic material while the locking device is inserted into the guide groove. The method of claim 7, wherein 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 And a third magnet that attracts the fixed magnetic material by being positioned in front of the fixed magnetic material while the locking device is inserted into the guide groove. The method of claim 6, 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 movable magnetic material away from the movable hook by being positioned behind the movable magnetic material while the locking device is inserted into the guide groove; And And a third magnet that attracts the fixed magnetic material by being positioned in front of the fixed magnetic material while the locking device is inserted into the guide groove.

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