JP3630415B2 - Locking device and unlocking device for disk case - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a disk case for storing a disk such as a CD or a DVD. In particular, in a store or a rental shop that displays such a disk as a product, a visitor opens the case illegally. In order to prevent the internal disk from being stolen, a disk case provided with a locking device and an unlocking device is provided.
[0002]
[Prior art]
Conventionally, the locking device and the unlocking device in the disk case have been proposed in various structures, and the present applicant has also proposed many inventions.
[0003]
[Problems to be solved by the invention]
For example, a configuration in which a removable locking piece for closing a part of the opening is provided on an open-type disc case having a large opening on the front side is conventionally known. However, since an unauthorized person uses a jig such as a driver tool to damage the locking piece or the wall of the case and pull out the internal disk, such an open disk case is not adequately countermeasured.
[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 opened and closed via a hinge is known, and along the free end of the divided case that is held together. A configuration in which a locking piece is inserted is known. In this case, since it is a closed-type case, it is safer than the open-type case, but as described above, an unauthorized person plucks the gap of the divided case by using a jig, so it is not perfect. . In addition, it is necessary for the locking piece not only to be easily locked but also to be easily unlocked for efficiency in the store, but this point is not sufficiently considered.
[0005]
[Means for Solving the Problems]
The present invention provides a locking device and an unlocking device in a disk case that have solved 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 split cases having a free end that can be opened and closed via a hinge portion, In a configuration comprising locking means that locks the split case so that it 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 in a state where the split case is held together. An insertion path, an engagement portion for an open / close lock provided at the free end of the split case across the insertion port, a guide group provided in at least one split case facing the insertion path , and the guide group on the inside from comprises a retaining lock engaged portion comprising a rib wall which connects the opening and closing lock engaging portion with covers, locking means, from the insertion port The locking plate is inserted into the entry path, and the locking plate is inserted into the insertion path and is divided by being locked by a pair of locking portions for opening and closing locks arranged across the insertion port. The locking plate is secured from the insertion path by being locked by the locking portion for opening / closing lock that fixes the case so as not to be opened, the auxiliary locking group fitted to the guide group, and the locking lock locking portion. It has a locking means for retaining lock that is fixed so that it cannot be pulled out, and the guide group is composed of a pair of T-shaped guide pieces and a plurality of vertical ribs provided between the guide pieces, On the other hand, the auxiliary locking group includes a gate-shaped locking piece with a slit that allows the guide piece to be inserted, and a slit that allows the vertical rib to be fitted , Locking means for locking is used to insert the locking plate. Ri, from the insertion opening until it reaches the engaged portion for retaining the lock, retracted through elastic deformation by being tighten along a guide piece provided on the separate casing, fitting an auxiliary locking unit to the guide unit When it reaches the locking part for retaining lock by fitting together, it forms a leaf spring with a wing tip that locks to the locking part for retaining lock by moving forward by elastic restoring force. The leaf spring is provided with magnetism such that when the magnet faces the outer surface of one of the divided cases, the leaf spring is elastically deformed to retract from the retaining portion for the retaining lock.
[0007]
The pair of split cases include side walls that are nested with each other, and are provided with locking pieces that project inward from the respective side walls. When the locking piece and the locking piece in the other split case are positioned opposite to each other on the insertion path, the locking pieces are locked when the locking plate is inserted into the insertion path. The divided case is fixed so as not to 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 for unlocking the locking device as described above, and a groove portion that can receive the free end of the split case that is held together, It consists of an unlocking body provided with a permanent magnet facing the part that elastically deforms the leaf spring of the locking means from the outer surface of one split case, and the free end of the disc case is placed in the groove of the unlocking body When inserted, when the locking means for the retaining lock comes off from the locked portion for the retaining lock and 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 part for the opening / closing lock is detached from the locked part for the opening / closing lock, and the locking plate is pulled out from the insertion port.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
[0010]
As shown in FIG. 1, the disk case 1 includes a disk storage chamber 6 formed by a pair of a first divided case 4 and a second divided case 5 each having a free end 3, 3 that can be opened and closed via a hinge portion 2. The disk case 1 is used in combination with a locking means 7 that locks the split cases 4 and 5 so that they cannot be opened, and an unlocking body 8 that unlocks the locking by the locking means 7. .
[0011]
The disc case 1 includes a boss portion 9 into which a central hole of a disc D to be accommodated is detachably inserted, and concentric arc-shaped ribs 10 and 11 that define a disc storage chamber 6 around the boss portion 9. Is formed in the first divided case 4, and the first divided case 4 is covered with the second divided case 5 including the disk storage chamber 6. At this time, the first divided case 4 is formed in a dish shape with side walls 4b and 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. The side walls 5b and 5b are formed in a dish shape, and when the pair of split cases 4 and 5 are put together, the side walls 4b and 5b are nested with each other. Although not shown in the figure, rib-like side walls that are nested with each other are also formed on the side edge having the hinge portion 2, thereby dividing the cases 4, 5 in three directions of the discase 1. No gap is formed so that a jig such as a driver tool can be inserted.
[0012]
An insertion port 12 is formed on the other side of the disk case 1. That is, with the split cases 4 and 5 held together, the insertion port 12 is opened between the free ends 3 and 3 of the split cases 4 and 5, and the disc is inserted between the flat plate walls 4 a and 5 a from the insertion port 12. An insertion path 13 extending toward the storage chamber 6 is formed. In the case of the illustrated example, the insertion slot 12 and the insertion path 13 are formed over almost the entire width of the disc case 1, and the opening / closing lock is provided inside the flat plate walls 4 a and 5 a of the divided cases 4 and 5 with the insertion slot 12 in between. Locked portions 14 and 15 are provided. In the case of the illustrated example, the first split case 4 is locked by an opening / closing lock by a single pocket 14a that opens at the left end of the insertion slot 12 and two pockets 14b and 14b that open at the right end. The second split case 5 comprises a pocket 15a that is open at the left end of the insertion slot 12 and two pockets 15b and 15b that are open at the right end. A stop 15 is formed.
[0013]
The second split case 5 is located between the left end pocket 15a and the right end pocket 15b, and is provided with a guide group 16 facing the insertion port 12, and a retaining lock facing the insertion path 13 following the guide group 16 In the example shown in the figure, the retaining lock engaging portion 17 is configured by a rib wall 18 that connects the left end pocket 15a and the right end pocket 15b. The guide group 16 includes at least a pair of T-shaped guide pieces 19 and 19 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 recessed from the outer surface of the flat plate wall 5a between the right end pocket 15b of the second split case 5 and the guide piece 19 adjacent thereto.
[0014]
Side walls 4b and 5b provided on the pair of split cases 4 and 5 are provided with locking pieces 22 and 23 projecting inward, respectively, and the first split case 4 is in a state where the split cases 4 and 5 are held together. The locking piece 22 provided on the side wall 4b and the locking piece 23 provided on the side wall 5b of the second divided case 4 are positioned on the opposite side of the insertion path 13 beyond the insertion path 13. It is configured. That is, as shown in FIG. 1, a pair of locking pieces 22, 22 are provided on the side walls 4 b, 4 b of the first divided case 4 with a space therebetween, and the locking piece 22 and the pockets 14 a, 14 b are provided. The insertion path 13 is formed between the two. Similarly, a locking piece 23 is provided on each of the side walls 5b and 5b of the second divided case 5, and an insertion path 13 is formed between the locking piece 23 and the pockets 15a and 15b. Then, when the split cases 4 and 5 are brought together, notches 24 that can receive the locking pieces 23 are formed in the side walls 4 b and 4 b of the first split case 4.
[0015]
The locking means 7 constitutes a locking plate 25 that is inserted into the insertion path 13 from the insertion opening 12 of the disc case 1, and forms an antitheft tag attaching portion 26 as necessary. The anti-theft tag affixed to the affixing part 26 is sensitive to a sensing device installed at the entrance of the store. Therefore, if there is a person trying to take the disc case 1 out of the store, this is detected by the sensing device. Detect and issue an alarm.
[0016]
The locking plate 25 is inserted into the insertion path 13, and is used for opening / closing locks that are locked to the respective locking portions 14, 15 for the opening / closing locks in the divided cases 4, 5 arranged with the insertion port 12 in between. A locking portion 27 and a locking means 27 for locking to be locked to the locking lock locked portion 17 are provided.
[0017]
As shown in the enlarged view of FIG. 2, the opening / closing lock locking portion 26 is inserted into the pockets 14 a and 15 a and 14 b and 15 b arranged with the insertion port 12 interposed therebetween, thereby inserting the hooks into a squirrel-like shape. It consists of pieces 26a, 26a and 26b, 26b and 26c, 26c. The locking plate 25 is provided with an auxiliary locking group 28 corresponding to the guide group 16 of the second divided case 5, located between the insertion pieces 26 a and 26 b. The auxiliary locking group 28 has a gate-shaped locking with a slit that prevents the second divided case 5 from being opened by inserting a guide piece 19 having a T-section when the locking plate 25 is inserted into the insertion path 13. A piece 29 and a slit 30 into which the vertical rib 20 is fitted are included.
[0018]
The locking means 27 for retaining lock is constituted by a leaf spring 32 mounted on a housing portion 31 that is recessed in the locking plate 25 adjacent to the auxiliary locking group 28, and a central portion 32 a of the leaf spring 32. Is fixed to the bottom wall of the housing portion 31, and the wing pieces 32b and 32b extending from the central portion 32a to both sides are made elastically deformable, and the wing tips 32c and 32c located at the tips of the wing pieces 32b and 32b are retained. It is configured to be engaged with the locked portion 17 for locking. In other words, when the locking plate 25 is inserted into the insertion slot 12 of the disk case 1, the leaf spring 32 constituting the retaining lock locking means 27 is moved until the blade locking end 17 reaches the retaining lock locked portion 17. 32c and 32c are fitted along the guide piece 19 having a T-shaped cross section, retracted through elastic deformation of the wing pieces 32b and 32b, and insertion of the locking plate 25 proceeds, so that At the same time, the wing tips 32c and 32c are advanced by the elastic restoring force of the wing pieces 32b and 32b, and locked to the retaining portion 17 for the retaining lock so that the locking plate 25 cannot be pulled out from the insertion path 13. Fix it.
[0019]
When the leaf spring 32 faces a magnet such as a permanent magnet from the outer surface of the flat plate side 4a of the first divided case 4 toward the housing portion 31, the blade tips 32c and 32c are pulled out by elastic deformation of the blade pieces 32b and 32b. The magnetism is such that it can be retracted from the locking-locked portion 17. For example, the leaf spring 32 itself is formed of a metal plate that can be magnetically attached, or 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 composed of a groove-shaped member having a lower wall 34 and an upper wall 35 with a groove 33 interposed therebetween, and the portion of the locking means 7 in the locked disk case 1 is formed in the groove 33. When inserted, permanent magnets 36 and 36 facing the wing pieces 32 b and 32 b of the leaf spring 33 built in the locking means 7 are embedded in the lower wall 34.
[0021]
In the illustrated embodiment, the upper wall 35 of the unlocking body 8 is located in the middle in the longitudinal direction, and is formed with tapered portions 37, 37 so as to reduce the width toward the groove bottom, and the left and right tapered portions 37, A protrusion 38 that can be fitted in the positioning recess 21 of the disk case 1 is formed between the upper wall 35 and the groove 33. Accordingly, when the unlocking body 8 faces the disk case 1, the protrusion 38 of the unlocking body 8 is positioned in the positioning recess 21 while visually confirming the position of the positioning recess 21 through the space between the left and right taper portions 37, 37. In this state, the permanent magnets 36 and 36 correctly face the blade pieces 32b and 32b of the leaf spring 33, and the retaining lock retaining means 27 is detached from the retaining portion 17 for the retaining lock. . Therefore, if the unlocking body 8 is moved in the direction in which the locking plate 25 is pulled out from the insertion path 13, the locking plate 25 follows the unlocking body 8 in a state where the leaf spring 33 is magnetically attached to the permanent magnet 36. The opening / closing lock engaging portion 26 is extracted from the opening / closing lock engaged portions 14, 15 and the locking plate 25 is extracted from the insertion port 12, thereby opening the pair of divided cases 4, 5 freely. And
[0022]
According to the above configuration, when the disk D is inserted into the disk storage chamber 6 and then the locking plate 25 is inserted from the insertion port 12 with the pair of divided cases 4 and 5 closed, the disk case by the locking means 7 is used. 1 is locked.
[0023]
That is, as shown in FIG. 3A, when the locking plate 25 is inserted from the insertion port 12 toward the insertion path 13, the locking pieces 22 of the first split case 4 that are disposed across the insertion path 13. 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 split case 5, thereby making it impossible to separate the side walls 4 b and 5 b of the split cases 4 and 5. Lock to. As shown in FIG. 3B, when the locking plate 25 is completely inserted into the insertion path 13, the opening / closing lock engaging portion 26 is inserted into the opening / closing lock engaged portions 14, 15, Also in the portion, the flat plate walls 4a and 5a of the split cases 4 and 5 are locked so as not to be separated. Although not shown in the figure, the divided cases 4 and 5 also have side walls that are nested with each other even in the vicinity of the hinge portion 2. Therefore, even if an unauthorized person attempts to pry a part of the disk case 1 by inserting a jig such as a driver tool, there is no gap at which the jig can be inserted.
[0024]
The operation of the locking means 27 for retaining locks accompanying the insertion of the locking plate 25 is shown in FIG. As shown in FIG. 4A, when the locking plate 25 is inserted from the insertion port 12 toward the insertion path 13, the blade tip 32 c of the leaf spring 32 protruding from the housing portion 31 faces the guide piece 19. The blade tip 32c is retracted through elastic deformation while being guided along the guide piece 19, and, as shown in FIG. The locking plate 17 is locked to the locking locked portion 17, thereby fixing the locking plate 25 so that it cannot be removed, 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 divided case 5 is locked more firmly.
[0025]
In order to unlock the locking means 7, the unlocking body 8 must be used. As described above, when the locking portion of the disc case 1 is inserted into the groove portion 33 of the unlocking body 8 by fitting the protrusion 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 retaining lock retaining means 27 with respect to the retaining portion 17 for the retaining lock is released. Therefore, as shown in FIG. 4C, if the unlocking body 8 is moved away from the disk case 1 while the leaf spring 32 is magnetically attached to the permanent magnet 36, the unlocking plate 25 is moved in the direction of pulling out. The locking plate 25 is pulled out 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 dealers and rental shops, the use of jigs to pry the disc case open, and unauthorized persons who try to remove the disc are always traced.According to the present invention, the locked state is not only certain, In addition, there is no gap that allows the jig to be inserted, and it is possible to provide a robust disc case that locks the side wall as a double wall that is fitted in a nested manner. High effect. In addition, not only the locking operation is easy, but also the unlocking operation can be performed quickly and easily by one touch with the unlocking body, and the work 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 a first embodiment of the present invention, in which FIG. 2A is a partial perspective view showing a main part, and FIG. 2B is an enlarged view showing a part of a retaining lock locking means; It is a perspective view.
FIGS. 3A and 3B show the operation of the opening / closing lock locked portion and the opening / closing lock locking portion according to the first embodiment of the present invention, and FIG. 3A is a sectional view showing a state before locking; FIG. FIG. 6 is a cross-sectional view showing a state after locking.
FIG. 4 shows the action of the retaining portion for retaining lock and the retaining means for retaining lock in the first embodiment of the present invention, (A) is a sectional view showing a state before locking; (B) is sectional drawing which shows the state after latching, (C) is sectional drawing which shows the method of cancellation | release.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Disc case 2 Hinge part 3 Free end 4 1st division | segmentation case 4a Flat plate wall 4b Side wall 5 Second division | segmentation case 5a Flat plate wall 5b Side wall 6 Disc storage chamber 7 Locking means 8 Unlocking body 12 Insertion port 13 Insertion path 14 For opening and closing lock Locked portion 14a, 14b Pocket 15 Locked portion 15a, 15b for lock 15 Guide 16 17 Locking lock lock 19 Guide piece 22, 23 Locking piece 25 Locking plate 26 Lock for opening / closing lock 26a, 26b, 26c Insertion piece 27 Locking lock locking means 28 Auxiliary locking group 29 Locking piece 32 Leaf spring

Claims (3)

A disc case (1) in which a disc storage chamber is formed by a pair of split cases (4) and (5) having a free end that can be freely opened and closed via a hinge portion, and a lock that locks the split case so that it cannot be opened. In the construction consisting of means (7)
The disc case (1) is an insertion path (13) extending from the insertion port (12) opened between the free ends of the split case toward the disc storage chamber with the split cases (4) and (5) held together. ), An opening / closing lock locked portion (14) (15) provided at the free end of the split case across the insertion port, and a guide provided in at least one split case (5) facing the insertion path a group (16), wherein the closing lock engaging portion with covering the guide unit from the inside (14) retaining the locking locked portion made of rib walls (18) connecting the (15) (17) With
The locking means (7) comprises a locking plate (25) that is inserted into the insertion path from the insertion port, and the locking plate is inserted into the insertion path, and a pair of opening and closing members arranged with the insertion port interposed therebetween. Engage with the guide group (16) and the locking unit for opening and closing locks (26) and (26), which are locked to the locked parts (14) and (15) for locking, so that the divided case is fixed so that it cannot be opened. The locking means (27) for securing the locking plate so that the locking plate cannot be pulled out from the insertion path by being locked to the latching portion (17) for the locking lock and the auxiliary locking group (28 ) With
The guide group (16) is composed of a pair of T-shaped guide pieces (19), (19) and a plurality of vertical ribs (20) provided between the guide pieces , The auxiliary locking group (28) includes a slit-shaped locking piece (29) (29) with a slit that allows the guide piece (19) to be inserted, and a slit that allows the vertical rib (20) to be fitted. (30) and
The locking means for retaining lock (27) is a guide piece (19) provided in the split case until it reaches the retaining lock locking section (17) from the insertion port by inserting a locking plate. retracted through elastic deformation by being tighten along the (19), reaches the retainer lock engaged portion by allowed to fit auxiliary latch groups (28) to the guide group (16) (17) The leaf spring (32) provided with the blade tips (32c) (32c) to be engaged with the retaining portion (17) for the 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) is magnetized so as to retreat from the retaining portion (17) for retaining lock by elastic deformation. A locking device for a disc case, comprising: The pair of split cases (4) and (5) are provided with side walls (4b) and (5b) that can be nested with each other and provided with locking pieces (22) and (23) that protrude inward from the respective side walls. And
With the split case held together, the locking piece (22) in one split case (4) and the locking piece (23) in the other split case (5) are mutually inserted into the insertion path. Located on the opposite side over the road (13)
When the locking plate (25) is inserted into the insertion path (13), the split case (4) (5) cannot be opened because each locking piece (22) (23) is locked to the side edge of the locking plate. The locking device for a disk case according to claim 1, wherein the locking device is configured to be fixed to the disk case. A device for unlocking the locking device according to claim 1 or 2,
A groove portion 33 that allows the free end of the split case that is held together to be freely received, and a permanent magnet 36 that faces the portion that elastically deforms the leaf spring 32 of the locking means from the outer surface of one of the split cases. Comprising the unlocked body 8 provided,
When the free end of the disc case is inserted into the groove 23 of the unlocking body 8, the locking lock locking means 27 is detached from the locking lock locking portion 17, 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 part 26 for the opening / closing lock is disengaged from the locked parts 14, 15 for the opening / closing lock, and the locking plate 25. A device for unlocking a locking device in a disk case, wherein 25 is configured to be pulled out from the insertion slot 12.

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