JP2004001791A - Locking device and unlocking device in disk housing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disk housing provided with a locking device and an unlocking device for prevent an inside disk from being stolen caused by unfair opening by a customer in a store and a rental shop in relation to the disk housing for storing the disk such as a compact disc and a digital versatile disc. <P>SOLUTION: A locking means consists of a locking plate inserted from a locking plate inserting opening, and provided with a securing portion for opening and closing lock secured at a pair of secured parts for opening and closing lock arranged on both sides of the inserting opening, and a securing means for taking-out preventing lock secured at the secured part for taking-out preventing lock under a condition where it is inserted into an insertion path. The securing means for fixing lock is retreated through elastic deformation by a guide of a divided housing while the locking plate is inserted, and it is advanced by an elastic restoring force after insertion to constitute a leaf spring secured on the secured part for the fixing lock. The leaf spring is provided with magnetism so that it may retreat from the secured part for the fixing lock by elastic deformation when a magnet is made to face the external side face of one divided housing. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a disk case for accommodating a disk such as a CD or a DVD, and particularly to a store or a rental shop that displays such a disk as a product when a visitor illegally opens the case. An object of the present invention is to provide a disk case provided with a locking device and an unlocking device to prevent theft of an internal disk.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, locking devices and unlocking devices in a disk case have been proposed with various structures, and the present applicant has proposed many inventions.
[0003]
[Problems to be solved by the invention]
For example, conventionally, there is known a configuration in which a detachable locking piece that closes a part of the opening is provided in an open disk case having a large opening on the front side. However, a fraudulent person uses a jig such as a driver's tool to damage the locking pieces and the wall of the case, and removes the internal disk. Therefore, such an open disk case is not sufficient.
[0004]
In this regard, conventionally, a closed-type disk case in which a disk storage chamber is formed by a pair of divided cases that can be freely opened and closed via a hinge portion is known, and along a free end where the divided cases are joined together. A configuration in which a locking piece is inserted is known. In this case, since the case is of the closed type, the security is higher than that of the case of the open type.However, as described above, the fraudulent person is not perfect because the gap between the divided cases is opened by using a jig. . Further, it is necessary for the lock pieces to be easily unlocked as well as to be easily unlocked from the viewpoint of efficiency in a store, but this point is not sufficiently considered.
[0005]
[Means for Solving the Problems]
SUMMARY OF THE INVENTION The present invention provides a locking device and an unlocking device for a disk case that solve the above problems.
[0006]
Therefore, the locking device in the disk case of the present invention is configured as a means, a disk case in which a disk storage chamber is formed by a pair of divided cases having free ends that can be opened and closed via a hinge portion, A locking means for locking the split case so that the split case cannot be opened. The disc case extends from the insertion opening opened between the free ends of the split case toward the disc storage chamber with the split case held together. An insertion path, an open / closed locked part provided at a free end of the divided case with the insertion opening interposed therebetween, and a retaining lock locked part provided on at least one of the divided cases facing the insertion path; Wherein the locking means comprises a locking plate inserted into the insertion path from the insertion opening, and the locking plate is inserted in a state inserted in the insertion path. The split case is locked by a pair of lockable portions for opening / closing lock, which are arranged so as to sandwich the opening / closing lock. Locking means for locking the locking plate so that the locking plate cannot be pulled out of the insertion path. The locking means for locking the locking plate is inserted into the locking plate to prevent the locking plate from being inserted from the insertion opening. Until it reaches the locking portion, it retreats through elastic deformation by being guided along the guide provided in the divided case, and when it reaches the locked portion for retaining lock, it moves forward by elastic restoring force. Thereby, a leaf spring that is locked to the retaining portion for retaining lock is configured, and when the magnet faces the outer surface of one of the divided cases, the leaf spring is elastically deformed to thereby retain the retaining lock. From the locked part Lies in comprising provided with a magnetic, such as.
[0007]
The pair of split cases are provided with side walls that are nested with each other, and are provided with locking pieces protruding inward from the respective side walls. The locking piece and the locking piece in the other split case are positioned opposite to each other with respect to the insertion path beyond the insertion path, and when the locking plate is inserted into the insertion path, each locking piece is locked. The split case is fixed so that it cannot be opened by being locked to the side edge of the plate.
[0008]
Further, the unlocking device in the disk case of the present invention is configured as a means, is a device for unlocking the locking device as described above, and a groove portion for accepting a free end of the split case that has been abutted, and An unlocking body is provided with a permanent magnet facing the portion of the one split case from the outer surface to elastically deform the leaf spring of the locking means, and the free end of the disk case is inserted into the groove of the unlocking body. When inserted, the locking means for retaining lock is disengaged from the locked part for retaining lock, and when the unlocking body is moved in the direction of pulling out the locking plate from the insertion path, the locking plate follows the unlocking body. By moving, the locking portion for opening / closing lock is disengaged from the locked portion for opening / closing lock, and the locking plate is configured to be pulled out from the insertion opening.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings.
[0010]
As shown in FIG. 1, the disc case 1 is composed of a pair of a first divided case 4 and a second divided case 5 having free ends 3, 3 which can be opened and closed via a hinge portion 2 so as to open and close. The disk case 1 is used by combining a locking means 7 for locking the split cases 4 and 5 so that they cannot be opened, and an unlocking body 8 for unlocking the locking by the locking means 7. .
[0011]
The disk case 1 has a boss 9 for removably inserting a center hole of a disk D to be stored therein, and concentric arc-shaped ribs 10 and 11 surrounding the boss 9 to define a disk storage chamber 6. Is formed in the first divided case 4, and the second divided case 5 covers the first divided case 4 including the disk storage chamber 6. At this time, the first divided case 4 is formed in a dish shape with the side walls 4b, 4b erected on both side edges of the flat plate wall 4a, and the second divided case 5 is similarly formed on both side edges of the flat plate wall 5a. It is formed in a dish shape with the side walls 5b, 5b formed, and when the pair of split cases 4, 5 are put together, the side walls 4b, 5b are mutually nested. Although not shown, rib-shaped side walls which are nested with each other are also formed on the side edges having the hinge portions 2, so that the divided cases 4, 5 No gap is formed between the jigs so that a jig such as a driver tool can be inserted between them.
[0012]
An insertion port 12 is formed on the other side of the disk case 1. That is, in a state where the split cases 4 and 5 are joined together, an insertion opening 12 is opened between the free ends 3 and 3 of the split cases 4 and 5 and a disc is inserted from the insertion opening 12 between the flat plate walls 4a and 5a. An insertion path 13 extending toward the storage room 6 is formed. In the case of the illustrated example, the insertion slot 12 and the insertion path 13 are formed over substantially the entire width of the disk case 1, and the inside of the flat walls 4 a, 5 a of the divided cases 4, 5 sandwiching the insertion slot 12 are provided with opening / closing locks. Locked portions 14 and 15 are provided. In the case of the example shown in the figure, the first split case 4 is locked by an open / close lock by one pocket 14a opened at the left end of the insertion slot 12 and two pockets 14b opened at the right end. The second split case 5 constitutes a portion 14, and the opening / closing lock engaging member is constituted by one pocket 15 a opened at the left end of the insertion slot 12 and two pockets 15 b and 15 b opened at the right end. The stop part 15 is constituted.
[0013]
The second divided case 5 is provided between the left end pocket 15a and the right end pocket 15b, and has a guide group 16 facing the insertion opening 12, and a retaining lock facing the insertion path 13 following the guide group 16. In the case of the example shown in the drawing, a rib wall 18 connecting the left end pocket 15a and the right end pocket 15b constitutes the locking member 17 for locking. The guide group 16 includes at least a pair of guide pieces 19 and 19 having a T-shaped cross section adjacent to the left end pocket 15a and the right end pocket 15b, and a plurality of vertical ribs 20. A positioning recess 21 is formed between the right end pocket 15b of the second split case 5 and the guide piece 19 adjacent to the pocket 15b from the outer surface of the flat plate wall 5a.
[0014]
The side walls 4b, 5b provided on the pair of divided cases 4, 5 are provided with locking pieces 22, 23 projecting inward, respectively. The locking piece 22 provided on the side wall 4b of the second case 4 and the locking piece 23 provided on the side wall 5b of the second split case 4 are positioned on the opposite sides of the insertion path 13 beyond the insertion path 13. Is configured. That is, as shown in FIG. 1, a pair of locking pieces 22, 22 are provided at intervals on the side walls 4b, 4b of the first split case 4, respectively, and the locking pieces 22 and the pockets 14a, 14b are provided. , The insertion path 13 is formed. Similarly, locking pieces 23 are provided on the side walls 5b, 5b of the second divided case 5, respectively, and the insertion path 13 is formed between the locking pieces 23 and the pockets 15a, 15b. When the split cases 4 and 5 are joined together, cutouts 24 are formed in the side walls 4 b and 4 b of the first split case 4 so as to receive the locking pieces 23.
[0015]
The locking means 7 constitutes a locking plate 25 which is inserted into the insertion path 13 from the insertion opening 12 of the disk case 1, and forms an anti-theft tag attaching portion 26 as required. The anti-theft tag affixed to the affixing part 26 is responsive to the sensing device installed at the entrance of the store. Therefore, if a person tries to take the disc case 1 out of the store, the tag is detected by the sensing device. Detect and issue an alarm.
[0016]
When the locking plate 25 is inserted into the insertion path 13, the locking plate 25 is locked by the locking portions 14, 15 of the split cases 4, 5 disposed across the insertion opening 12. A locking portion 26 and a locking device 27 for retaining the retaining lock which is retained by the retaining portion 17 for retaining the locking are provided.
[0017]
As shown in an enlarged view in FIG. 2, the locking portion 26 for opening / closing lock is inserted into pockets 14 a and 15 a and 14 b and 15 b which are arranged with the insertion opening 12 interposed therebetween, so that the insertion portion is connected in a ragged manner. It is composed of pieces 26a, 26a and 26b, 26b and 26c, 26c. An auxiliary locking group 28 corresponding to the guide group 16 of the second divided case 5 is provided on the locking plate 25 between the insertion pieces 26a and 26b. This auxiliary locking group 28 has a slit-shaped gate-shaped locking that prevents the opening of the second divided case 5 by inserting a guide piece 19 having a T-shaped cross section when the locking plate 25 is inserted into the insertion path 13. A piece 29 and a slit 30 for fitting the vertical rib 20 are included.
[0018]
The locking means 27 for retaining locking is constituted by a leaf spring 32 mounted on a housing portion 31 formed in the locking plate 25 adjacent to the auxiliary locking group 28, and a central portion 32a of the leaf spring 32. Is fixed to the bottom wall of the housing portion 31, and the wing pieces 32b, 32b extending from both sides from the central portion 32a are elastically deformable, and the wing tips 32c, 32c located at the tips of the wing pieces 32b, 32b are prevented from coming off. It is configured to be locked to the locked portion 17 for locking. That is, when the locking plate 25 is inserted into the insertion opening 12 of the disk case 1, the leaf spring 32 that constitutes the locking means 27 for retaining the lock keeps the wing tip until it reaches the locked portion 17 for retaining the locking. 32c, 32c are guided along a guide piece 19 having a T-shaped cross section, and retreated through elastic deformation of the wing pieces 32b, 32b. At the same time, the wing tips 32c, 32c are advanced by the elastic restoring force of the wing pieces 32b, 32b, and are locked to the retaining portion 17 for retaining lock, so that the locking plate 25 cannot be pulled out from the insertion path 13. Fix it.
[0019]
When a magnet such as a permanent magnet faces the housing 31 from the outer surface of the flat plate side 4a of the first split case 4, the leaf spring 32 pulls out the wing tips 32c, 32c by elastic deformation of the wing pieces 32b, 32b. It has magnetism so that it can be retracted from the locking part 17 for stop lock. For example, the leaf spring 32 itself is formed of a magnetically attachable metal plate, or includes a metal piece that can be magnetically attached to the leaf spring 32 formed of a flexible synthetic resin.
[0020]
As shown in FIG. 1, the unlocking body 8 is formed of a groove-shaped member having a lower wall 34 and an upper wall 35 with a groove 33 interposed therebetween, and a portion of the locking means 7 in the locked disk case 1 is inserted into the groove 33. When inserted, the permanent magnets 36 facing the wing pieces 32b of the leaf spring 33 incorporated in the locking means 7 are embedded in the lower wall.
[0021]
In the illustrated embodiment, the upper wall 35 of the unlocking body 8 is located at a middle part in the longitudinal direction, and is formed with tapered portions 37, 37 so as to reduce the width toward the groove bottom portion. A projection 38 is formed between the upper wall 35 and the groove 33 so as to be fittable into the positioning recess 21 of the disk case 1. Therefore, when the unlocking body 8 is exposed to the disk case 1, the projection 38 of the unlocking body 8 is positioned while visually confirming the position of the positioning recess 21 through the space between the left and right tapered portions 37. In this state, the permanent magnets 36, 36 correctly face the wing pieces 32b, 32b of the leaf spring 33, and the locking means 27 for retaining lock comes off the locked portion 17 for retaining locking. . Therefore, if the unlocking body 8 is moved in a direction in which the locking plate 25 is pulled out from the insertion path 13, the locking plate 25 follows the unlocking body 8 with the leaf spring 33 magnetically attached to the permanent magnet 36. The locking portion 26 for opening / closing lock is pulled out from the locked portions 14 and 15 for opening / closing lock, and the locking plate 25 is pulled out from the insertion opening 12, whereby the pair of split cases 4 and 5 can be freely opened. And
[0022]
According to the above configuration, if the locking plate 25 is inserted from the insertion opening 12 with the pair of divided cases 4 and 5 closed after the disk D is inserted into the disk storage chamber 6, the disk case by the locking means 7 can be used. 1 is performed.
[0023]
That is, as shown in FIG. 3A, when the locking plate 25 is inserted from the insertion opening 12 toward the insertion path 13, the locking pieces 22 of the first split case 4 arranged beyond the insertion path 13 mutually. The locking plate 25 is inserted between the locking piece 22 and the locking piece 23 with respect to the locking piece 23 of the second divided case 5, whereby the side walls 4 b and 5 b of the two divided cases 4 and 5 cannot be separated. To lock. Then, as shown in FIG. 3B, when the locking plate 25 is completely inserted into the insertion path 13, the locking portion 26 for opening and closing lock is inserted into the locked portions 14 and 15 for opening and closing lock. The flat plate walls 4a, 5a of the two split cases 4, 5 are also locked in such a manner that they cannot be separated. Although not shown, even in the vicinity of the hinge part 2, the split cases 4 and 5 have side walls which are nested with each other. Therefore, even if an unauthorized person attempts to pry open a part of the disk case 1 by inserting a jig such as a driver tool, there is no gap in which the jig can be inserted.
[0024]
FIG. 4 shows the operation of the locking means 27 for retaining the locking with the insertion of the locking plate 25. As shown in FIG. 4A, when the locking plate 25 is inserted from the insertion opening 12 toward the insertion path 13, the wing end 32 c of the leaf spring 32 protruding from the housing portion 31 faces the guide piece 19. The wing tip 32c retreats along the guide piece 19 through elastic deformation, and as shown in FIG. 4B, simultaneously passes through the guide piece 19 and at the same time advances through elastic restoration to prevent the wing tip 32c from coming off. The locking plate 17 is locked to the locking locked portion 17, whereby the locking plate 25 is fixed so as not to be pulled out, and the locking of the locking means 7 is completed. At this time, as shown in the figure, the locking piece 29 of the locking plate 25 is locked to the guide piece 19, and the second split case 5 is further firmly locked.
[0025]
In order to unlock the locking means 7, an unlocking body 8 must be used. As described above, when the locking portion of the disk case 1 is inserted into the groove 33 of the unlocking body 8 by fitting the projection 38 of the unlocking body 8 into the positioning recess 21, the leaf spring 32 is retracted by the permanent magnet 36. Then, the locking of the locking device 27 for retaining lock with the retaining portion 17 for retaining lock is released. Therefore, as shown in FIG. 4 (C), if the unlocking body 8 is moved in the direction in which the locking plate 25 is pulled out while keeping the plate spring 32 magnetically attached to the permanent magnet 36 while moving the unlocking body 8 away from the disk case 1. The locking plate 25 is removed from the insertion path 13 while following the lock body 8, and the disk case 1 is opened so that it can be opened and closed.
[0026]
【The invention's effect】
In a store or a rental shop, where a judge uses a jig to open a disk case and an unauthorized person who tries to pull out a disk keeps a trace, according to the present invention, not only is the locking state secure, but also especially It is possible to provide a robust disk case in which there is no gap in which a jig can be inserted and the side wall as a double wall fitted in a nesting manner is locked, and the security is extremely high. The effect is high. In addition to the fact that the locking operation is easy, the unlocking operation can be quickly and easily performed by one-touch operation with the unlocking body, and the working efficiency in the store is extremely excellent.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of the present invention in an exploded state.
FIGS. 2A and 2B show a locking plate according to the first embodiment of the present invention, wherein FIG. 2A is a partial perspective view showing a main part, and FIG. It is a perspective view.
FIGS. 3A and 3B show the operation of the locked portion for opening and closing lock and the locking portion for opening and closing lock in the first embodiment of the present invention, wherein FIG. 3A is a cross-sectional view showing a state before locking, and FIG. FIG. 4 is a sectional view showing a state after locking.
FIGS. 4A and 4B show the operation of the locking portion for retaining lock and the retaining means for retaining lock in the first embodiment of the present invention, and FIG. 4A is a cross-sectional view showing a state before locking. (B) is a sectional view showing a state after locking, and (C) is a sectional view showing a releasing method.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Disc case 2 Hinge part 3 Free end 4 First divided case 4a Flat wall 4b Side wall 5 Second divided case 5a Flat wall 5b Side wall 6 Disk storage room 7 Locking means 8 Unlocking body 12 Insertion opening 13 Insertion path 14 Opening / closing lock Locked portions 14a, 14b Pocket 15 Locked portions 15a, 15b for opening / closing lock Pocket 16 Guide group 17 Locked portions 19 for retaining lock Guide pieces 22, 23 Locking piece 25 Locking plate 26 Lock for opening / closing lock Parts 26a, 26b, 26c Insertion piece 27 Locking means 28 for retaining lock Auxiliary locking group 29 Locking piece 32 Leaf spring

Claims (3)

The disk case 1 has a disk storage chamber formed by a pair of divided cases 4 and 5 having free ends which can be freely opened and closed via a hinge portion, and a locking means 7 for locking the divided case so that it cannot be opened. In the configuration,
The disk case 1 has an insertion path 13 extending from the insertion opening 12 opened between the free ends of the division cases toward the disk storage room with the division cases 4 and 5 held together, and the disk case 1 is divided across the insertion opening. Opening / closing locking locked portions 14 and 15 provided at the free end of the case, and retaining locking locked portions 17 provided on at least one of the split cases 5 facing the insertion path,
The locking means 7 includes a locking plate 25 inserted into the insertion path from the insertion opening, and the locking plate is inserted into the insertion path and has a pair of locking / unlocking lock members disposed across the insertion opening. The locking portion 26 for opening and closing lock, which locks the divided case so that it cannot be opened by being locked by the locking portions 14, 15, and the locking plate, which is locked by the locked portion 17 for retaining locking, inserts the locking plate. Locking means 27 for retaining the lock so that it cannot be pulled out from the
The locking means 27 for retaining lock is elastically deformed by being guided along the guide provided in the divided case until the locking plate 27 is inserted into the locking plate and reaches the locked portion 17 for retaining lock from the insertion opening. When the blade spring retreats through the lever and reaches the locking portion 17 for retaining lock, the plate spring 32 is locked by the locking portion 17 for retaining lock by moving forward by the elastic restoring force. When the magnet 36 faces the outer surface of one of the split cases 4, the leaf spring 32 has a magnetic property such that the leaf spring 32 is elastically deformed and retracts from the retaining lock locking portion 17. A locking device for a disc case. The pair of split cases 4, 5 are provided with side walls 4b, 5b which are nested with each other, and provided with locking pieces 22, 23 projecting inward from the respective side walls.
With the split cases held together, the locking pieces 22 in one of the split cases 4 and the locking pieces 23 in the other split case 5 are positioned on opposite sides of the insertion path from each other beyond the insertion path 13. Sedated,
When the locking plate 25 is inserted into the insertion path 13, each of the locking pieces 22, 23 is locked to the side edge of the locking plate to thereby fix the split cases 4, 5 so that they cannot be opened. Locking device in the case. An apparatus for unlocking the locking device according to claim 1 or 2,
A groove portion 33 for freely receiving the free end of the split case, which is held together, and a permanent magnet 36, which is opposed to a portion where the leaf spring 32 of the locking means is elastically deformed from the outer surface of one of the split cases. Consisting of an unlocked body 8 with
When the free end of the disk case is inserted into the groove 23 of the unlocking body 8, the locking means 27 for retaining lock is disengaged from the locked portion 17 for retaining lock, and the locking plate 25 is pulled out from the insertion path 13. When the unlocking body 8 is moved, the locking plate 25 moves following the unlocking body 8 so that the locking portion 26 for opening and closing lock is disengaged from the locked portions 14 and 15 for opening and closing lock, and the locking plate 25 25. An unlocking device for a locking device in a disk case, wherein 25 is configured to be pulled out from the insertion slot 12.

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