JP3839439B2 - Product display case opening and closing locking device and its unlocking device - Google Patents

Description

  The present invention relates to a product display case used as an exterior case for displaying a product, particularly a soft storage case storing a CD, a DVD or the like in a store such as a store or a rental store. An open / close locking device that locks a soft storage case so that it cannot be taken out without permission and an unlocking device therefor are provided.

  Conventionally, a product display case used as an exterior case for a soft storage case is closed to a part of the opening from the opening edge so that the soft storage case can be inserted into and removed from the storage room. A device provided with an opening / closing locking device is known.

  The opening / closing locking device is configured such that a housing is provided at the opening edge of the case body, and a locking member is detachably fixed to the housing, and a part of the opening is closed by the locking member. When the lock member is inserted into the housing, the lock member is fixed so as not to be removed via the automatic locking mechanism, thereby locking the soft storage case so that it cannot be removed from the outer case.

If the customer wants to sell or rent software, the store employee unlocks the lock member with a special key and removes the lock member from the housing. hand over.
Japanese Patent No. 3158272 Japanese Patent No. 2811418

  In the case of the above-described prior art, the lock member is detachably fixed to the housing of the outer case. When unlocking, the lock member is unlocked with a dedicated key, and then the lock member is removed from the housing. When performing the operation and locking, since the operation of inserting and fixing the lock member in a state where the lock member is accurately positioned in the housing is performed, the operation is complicated.

  Moreover, since the lock member is removed from the case body, in order to prevent the loss, the lock member is attached to the case body by re-inserting it into the housing after unlocking. Is preferred. However, since the work is complicated, there is a possibility that the lock member removed by the store employee may be left as it is, and there is a problem that the unlocked lock member is scattered.

  The present invention provides a product display case opening / closing locking device and an unlocking device thereof that solve the above-described problems.

  Therefore, the opening and closing locking device of the present invention is configured as a means for opening and closing locking that allows a part of the opening to be opened and closed from the opening edge to the opening of the case main body that allows insertion and removal of goods with respect to the storage chamber. In the configuration provided with the device, the housing extends in the X-axis direction along the opening edge of the case main body and has an opening / closing port at an end in the X-axis direction, and the insertion direction via the opening / closing port with respect to the X-axis direction And a key member inserted into the housing so as to be movable back and forth in the pull-out direction and the Y-axis direction from the opening edge of the case body toward the opening so as to be movable forward and backward with respect to the opening. A lock member attached to the housing, and the key member includes a lock means for locking so as to prevent movement in the pull-out direction in a state of being inserted into the housing. An unlocking magnetic body is provided that unlocks the locking means when the unlocking magnet means is exposed from the outside of the housing, and the locking member and the key member move the key member in the insertion direction. When this is done, the lock member is moved in the forward direction, and when the key member is moved in the pull-out direction, the lock member is moved in the backward direction.

  In an embodiment of the present invention, the housing of the case main body forms a groove portion having a groove opening that opens along the opening edge of the case main body, and includes a connecting piece that protrudes in the Y-axis direction in the groove portion. Comprises a vertical plate portion covering the groove opening and a horizontal plate portion extending from the vertical plate portion toward the inside of the groove opening, forming a connection hole for inserting the connection piece into the horizontal plate portion, The key member includes a vertical wall portion facing the vertical plate portion and a horizontal wall portion facing the horizontal plate portion when inserted into the groove portion from the doorway of the housing, and an edge of the horizontal plate portion of the lock member The locking means is provided between the vertical wall portion of the lock member and the key member, and the opening / closing interlocking device is provided between the horizontal plate portion of the lock member and the horizontal wall portion of the key member.

  The opening / closing interlocking means is constituted by an opening interlocking cam mechanism that moves the lock member in the backward direction by moving the key member in the pulling direction, and a closing interlocking cam mechanism that moves the lock member in the forward direction by moving the key member in the inserting direction. Has been.

  The closing interlock cam mechanism has a hole that prevents the key member from being pulled out from the doorway by fitting the key member moved in the pull-out direction and the lock member moved in the reverse direction from each other in the Y-axis direction. And constitutes a protrusion.

  The key member includes a plug portion that is inserted so as to be substantially flush with the edge of the entrance / exit of the housing in a state where the key member is moved in the insertion direction with respect to the housing of the case main body, and the pull-out magnetic member is provided in the plug portion. Have a body.

  Further, the unlocking device of the present invention is configured as a means for unlocking the above-mentioned opening / closing locking device, and includes a first support wall facing the lock member of the key member from the outside of the housing of the case body. A second support wall facing the plug portion of the key member and a receiving groove facing the lock member and extending in parallel with the first support wall so as to face the lock member in the retracting direction. A lock magnet means is provided, and an extraction magnet means is provided on the second support wall.

  In the opening / closing locking device of the present invention, after storing a product such as a soft storage case in the storage chamber from the opening of the case body, the lock member is moved by the opening / closing interlocking means when the key member is moved in the insertion direction with respect to the housing. Are interlocked and moved in the forward direction from the opening edge of the case body toward the opening, and a part of the opening of the case body is closed to make it impossible to take out a product such as a soft storage case from the display case. At this time, since the key member is locked so as not to move in the pull-out direction by the lock means inside the housing, the customer cannot unlock it arbitrarily and the product cannot be taken out from the case body.

  If the customer wishes to sell or rent the software, the lock member can move in the pull-out direction with respect to the housing if an employee of the store releases the locking means with the unlocking device. Therefore, if the key member is moved in the pull-out direction, the lock member is moved in the retracted direction in conjunction with the opening / closing interlocking means, and the opening is opened by retracting from the opening in the case body, so that the product is displayed. Can be taken out of the case and delivered to the customer. At this time, the lock member is not separated and independent from the case main body, and is attached to the housing, so that it is not lost or scattered unlike the conventional case.

  Thus, according to the first aspect of the present invention, when the key member is moved forward and backward, the lock member moves forward and backward in conjunction with this operation, so that the locking and unlocking are automatically performed. Therefore, the operation can be performed easily and easily, and the lock member after unlocking is not lost or scattered, and an excellent effect is achieved.

  According to the second aspect of the present invention, when assembling the opening / closing locking device in providing the display case, the horizontal plate portion of the locking member is inserted from the groove opening of the housing, and the connecting piece is inserted into the connecting hole. Thus, after the lock member is connected to the housing, the key member can be simply and easily assembled by simply inserting the key member into the groove.

  According to the third aspect of the present invention, the operation of interlocking the lock member in the backward direction by the movement of the key member in the pull-out direction is performed by the open interlocking cam mechanism, and the lock member is moved by the movement of the key member in the insertion direction. The movement interlocking with the forward direction is performed by the closing interlocking cam mechanism, and the opening interlocking cam mechanism and the closing interlocking cam mechanism are independently configured in this way, realizing a highly reliable opening / closing interlocking means with few failures. can do.

  And according to this invention of Claim 4, the state which enabled the lock member to interlock | cooperate to a retraction direction by moving the key member after an unlocking in the drawing-out direction, and was able to take out goods from the opening part of a case main body In the configuration, the hole and the projection of the closing interlock cam mechanism are mutually fitted from the Y-axis direction to prevent the key member from being pulled out from the entrance / exit, so that the key member does not fall out of the housing. , To prevent the key member from being lost.

  Furthermore, according to the present invention as set forth in claim 5, since the key member is moved in the insertion direction with respect to the housing, the plug portion is inserted so as to be substantially flush with the edge of the doorway. In addition, it is impossible for an unauthorized customer to unlock the locking means by inserting a jig such as a wire inside the housing, and it is impossible to grasp and pull out the plug part, which makes it highly safe when locking Guarantee sex. At this time, since the pull-out magnetic body is provided in the plug portion, only the store employee can unlock the lock means with the unlocking magnet means and then adsorb the plug portion with the pull-out magnet means. Thus, the key member can be moved in the pull-out direction, and the product can be taken out.

  And, the unlocking device of the present invention has a case main body in which the store employee has the back portion of the housing corresponding to the lock means of the key member along the first support wall and the plug portion along the second support wall. Is moved to the unlocking device in a predetermined posture, and the case body is moved along the first support wall from that state, thereby moving the key member in the pulling direction and moving the locking member in the retracting direction. Therefore, the operation can be performed very easily and easily. At this time, the receiving groove functions as a mark indicating the moving direction of the case body, and enables the locking member to move in the backward direction.

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

(Configuration of opening and closing locking device)
As shown in FIG. 1 to FIG. 3, an exhibition case 2 as an exterior case for storing a product 1 such as a soft storage case is almost entirely open so that the product 1 can be removably received in the storage chamber 3. A dish-shaped case body 5 having an opening 4 formed therein is configured, and located on two opposite sides of the opening, a stopper wall 6 is provided on one side, and an opening / closing locking device 7 is provided on the other side. Yes.

  The opening / closing locking device 7 is inserted into the housing 8 so as to be movable in the insertion direction F1 and the drawing direction R1 with respect to the X axis direction along the housing 8 extending along the opening edge of the case body 5. The key member 9 is attached to the housing 8 so as to be movable forward and backward in the forward direction F2 and the backward direction R2 with respect to the opening 4 with respect to the Y-axis direction from the opening edge of the case body 5 toward the opening 4. The lock member 10 is constituted. The housing 8 is integrally formed with the case body 5 together with the stopper wall 6 with a synthetic resin, and the key member 9 and the lock member 10 are separately formed with the synthetic resin.

  Therefore, when the locking member 10 is moved in the backward direction R2 by operating the opening and closing locking device 7 as described later, the product 1 gets over the stopper wall 6 and enters the storage chamber 3 via the opening 4. It can be accommodated in a substantially fitted shape, or can be removed from the accommodated state through the opening 4. When the lock member 10 is moved in the forward direction F2 in a state in which the product 1 is stored in the storage chamber 3, the lock member 10 closes a part of the opening 4 and thereby the product 1 is opposed to the stopper wall 6 facing each other. Since it is restrained by the lock member 10, the product 1 cannot be taken out from the storage chamber 3.

  The housing 8 includes a back wall 11 that stands up substantially in the same plane as the back wall 5 a of the case body 5, and an upper wall 12 that extends from the standing end of the back wall 11 and faces the peripheral wall 5 b of the case body 5 in the Z-axis direction. A groove 13 is formed. The groove portion 13 has a groove opening 14 that opens along the opening edge of the opening portion 4, and an entrance / exit 15 that opens at an end portion in the X-axis direction, and is connected to the groove opening 14 so as to protrude in the Y-axis direction. A piece 16 is provided. The other end of the groove 13 in the X-axis direction is closed by the end wall 17.

  The locking member 10 includes a vertical plate portion 18 that covers the groove opening 14 of the groove portion 13, and a horizontal plate portion 19 that extends from the vertical plate portion 18 toward the inside of the groove opening 14. A connection hole 20 into which the connection piece 16 is inserted is formed. Therefore, the locking member 10 is incorporated in the groove portion 13 so as not to fall off due to the locking of the connecting piece 16 and the connecting hole 20, and is movable in the Y-axis direction.

  The key member 9 includes a vertical wall portion 21 facing the vertical plate portion 18 and a horizontal wall portion 22 facing the horizontal plate portion 19 when the key member 9 is inserted into the groove portion 13 from the entrance / exit 15 of the housing 8. The plug portion 23 is inserted so as to be substantially flush with the edge portion of the entrance / exit 15 in a state of moving in the insertion direction F1 with respect to the inner wall of the plug portion 23. A magnetic body 24 is provided.

  Further, the key member 9 is provided with a lock means 25 that is locked so as to prevent the movement in the pull-out direction R1 in a state where it is inserted into the housing 8, and is described below from the outside of the back wall 11 of the housing 8. An unlocking magnetic body 26 such as an iron plate piece for releasing the locking of the lock means 25 when the lock magnet means is faced is provided.

  The locking means 25 may be provided between the key member 9 and the inner wall portion of the housing 8, but in the illustrated embodiment, the edge portion of the vertical wall portion 21 of the key member 9 and the horizontal plate portion 19 of the lock member 10. Is provided between each other. That is, the lock wall 27 of the lock member 10 is provided with a lock claw 27 that is elastically biased inwardly through the notch on the vertical wall portion 21 of the key member 9 and has a tip in the pull-out direction R1. At the edge of the horizontal plate portion 19, a notch portion 28 that locks the tip of the lock claw 27 is formed. Therefore, when the key member 9 is moved in the insertion direction F1 and the plug portion 23 is inserted into the doorway 15, the tip of the lock claw 27 is locked to the notch portion 28, thereby preventing the key member 9 from moving in the pull-out direction R1. To do.

  Further, the lock member 10 and the key member 9 move the lock member 10 in the forward direction F2 when the key member 9 is moved in the insertion direction F1, and the lock member 10 when the key member 9 is moved in the pull-out direction R1. Are interlockedly connected by opening / closing interlocking means 29 for moving in the reverse direction R2.

  In the illustrated embodiment, the opening / closing interlocking means 29 is provided between the horizontal plate portion 19 of the lock member 10 and the horizontal wall portion 22 of the key member 9, and moves the lock member 10 in the backward direction by the movement of the key member 9 in the pull-out direction R1. An open interlock cam mechanism 30 that moves to R2 and a close interlock cam mechanism 31 that moves the lock member 10 in the forward direction F2 by moving the key member 9 in the insertion direction F1.

  The open interlocking cam mechanism 30 has a main driving means 32 having a downward inclined surface from the lateral wall portion 22 of the key member 9 toward the drawing direction R1, and an upward inclined surface from the lateral plate portion 19 of the lock member 10 toward the insertion direction F1. And a driven means 33 having the same. The main driving means 33 is preferably projected in an arm shape and has some flexibility. Therefore, when the key member 9 is moved in the pull-out direction R1, the downward inclined surface of the main driving means 32 slides along the upward inclined surface of the driven means 33, and the lock member 10 is moved in the backward direction R2. Yes. A space 34 such as a hole for receiving the tip of the follower means 33 is formed at a location near the main drive means 32 of the lateral wall portion 22, and a main drive means is provided at a location near the follower means 33 of the horizontal plate portion 19. A space 35 such as a hole for receiving the tip of 32 is formed.

  The close interlocking cam mechanism 31 is configured such that the key member 9 moved in the pull-out direction R1 and the lock member 10 moved in the backward direction R2 are fitted to each other from the Y-axis direction, whereby the key member 9 is extracted from the entrance / exit 15. Hole 36 and protrusion 37 are provided, and when the key member 9 is moved in the insertion direction F1 from the pulled-out position, the locking member 10 is moved forward by the mutual sliding of the edge of the protrusion 37 and hole 36. A cam surface 38 to be moved to F2 is provided on the protrusion 37. In the illustrated embodiment, the hole 36 is provided in the horizontal plate portion 19 of the lock member 10, the projection 37 is provided in the horizontal wall portion 22 of the key member 9, and the tip of the projection is formed on the edge of the projection 37 on the side facing the insertion direction F <b> 1. On the contrary, the hole 36 may be provided in the lateral wall portion 22 of the key member 9 and the protrusion 37 may be provided in the lateral plate portion 19 of the lock member 10.

(Configuration of unlocking device)
An unlocking device 39 as shown in FIG. 4A is provided in order to easily and easily unlock the opening / closing locking device 7 described above. The unlocking device 39 includes a base wall 40, a first support wall 41 that faces the locking means 25 of the key member 9 from the outside of the back wall 11 of the housing 8 in the case body 5, and a first wall that faces the plug portion 23 of the key member 9. Two support walls 42 are integrally provided.

  The base wall 40 faces the lock member 10 so as to face the backward direction R <b> 2 of the lock member 10, and forms a receiving groove 43 extending in parallel with the first support wall 41.

  The first support wall 41 is provided with unlocking magnet means 44 so as to be exposed on the inner wall surface, and the second support wall 42 is provided with extraction magnet means 45 so as to be exposed on the inner wall surface.

(Function)
A method of using the unlocking device 39 will be described with reference to FIG. 4B, and the operation of the opening / closing locking device 7 during unlocking will be described with reference to FIG.

  3A and 3B show a state in which the key member 10 is moved in the insertion direction F1 and the plug portion 23 is inserted into the entrance / exit 15. In this state, the projection 37 of the closing interlock cam mechanism 31 is detached from the hole 36, and the projection 37 moves the locking member 10 in the forward direction F2 by pressing the horizontal plate portion 19 of the locking member 10. . Further, the tip of the lock claw 27 of the lock means 25 is engaged with the cutout portion 28 to prevent the key member 9 from moving in the pull-out direction R1.

  When the store employee uses the unlocking device 39 and unlocks the opening / closing locking device 7 from the locked state to take out the product 1 from the display case 2, as shown in FIG. In the state where the case body 5 is held so that the opening / closing locking device 7 faces downward, the back wall 11 of the housing 8 is placed along the first support wall 41 and the plug portion 23 is placed along the second support wall 45. Thus, the one-touch operation of moving the case body 5 along the first support wall 41 as indicated by the arrow SD from the open / close locking device 7 to the unlocking device 39 as indicated by the arrow DN is performed. If this is done, the unlocking of the lock means 25 of the key member 9 is automatically performed via the adsorption of the unlocking magnet means 44 and the unlocking magnetic body 26, and the extraction magnet means 45 and the extraction magnetic body 24 are attracted. The plug part 23 through the second support wall In a state of being fixed to 5, you can occupy perform the moving of the backward R2 movement and, lock member 10 interlocked to the pull-out direction R1 of the key member 9.

  That is, when the unlocking magnet means 44 faces the back wall 11 of the housing 8, the unlocking magnetic body 26 of the locking means 25 receives an attractive force, so that the lock pawl 27 is elastic as shown in FIG. Oscillating against the urging force, the tip of the lock claw 27 is removed from the notch 28. Accordingly, the key member 9 is movable in the drawing direction R1.

  As described above, since the pulling magnetic body 24 of the plug portion 23 is attracted to the pulling magnet means 45, when the case main body 5 is moved, as shown in FIGS. The housing 8 moves relatively, that is, the key member 9 moves relative to the housing 8 in the pull-out direction R1. When the key member 9 moves in the pulling-out direction R1, the arm-shaped main driving means 32 of the opening interlock cam mechanism 30 is slid while engaging with the driven means 33, so that the locking member 10 is moved in the backward direction R2. . At this time, since the projection 37 of the closing interlock cam mechanism 31 slides into the hole 36, the lock member 10 can be moved in the backward direction R <b> 2, and the key member 9 is prevented from being pulled out from the entrance 15 and falling off. . In this manner, the lock member 10 is moved in the backward direction R2 in conjunction with the movement of the key member 9 in the pull-out direction R1, and the opening portion 4 is opened by retracting the vertical plate portion 18 from the opening portion 4 of the case body 5. Therefore, the product 1 can be taken out from the storage chamber 3.

  After unlocking, when the product 1 is stored in the storage chamber 3 of the case body 5 and then locked again by the opening / closing locking device 7, the key member 9 is simply moved in the insertion direction F <b> 1 from the pulled-out position, and the plug portion 23. Need only be inserted into the doorway 15. For example, when the operator pushes the key member 9 in the insertion direction F1 with a fingertip or the like, the cam surface 38 of the projection 37 in the closing interlock cam mechanism 31 presses against the edge of the hole 36 in the insertion direction F1, The edge of the hole 36 moves in the Y-axis direction along the cam surface 38, moves the lock member 10 in the forward direction F <b> 2, and closes a part of the opening 4 of the case body 5 by the vertical plate 18. The protrusion 37 is removed from the hole 36 by the movement in the insertion direction F1, and is then supported by the horizontal plate portion 19 of the lock member 10 to fix the lock member 10 so as not to move in the backward direction R2. Further, when the key member 9 is moved in the insertion direction F1 until the plug portion 23 is inserted into the doorway 15, the tip of the lock claw 27 in the locking means 25 is locked to the notch portion 28, and the key member 9 is moved in the drawing direction R1. Secure it so that it does not move.

The display case provided with one Embodiment of the opening / closing locking device which concerns on this invention is shown, (A) is a perspective view which shows a locking state, (B) is a perspective view which shows an unlocking state. It is a disassembled perspective view which shows the principal part of one Embodiment of an opening / closing locking device. The operation of the opening and closing locking device is shown, (A) is a longitudinal sectional view showing a locked state, (B) is a transverse sectional view showing a locked state, and (C) shows a state in which the locking means is unlocked. A cross-sectional view, (D) is a longitudinal cross-sectional view showing an unlocked state, and (E) is a cross-sectional view showing an unlocked state. 1 shows an embodiment of an unlocking device according to the present invention, in which (A) is a perspective view showing a relationship between the unlocking device and an opening / closing locking device, and (B) is a perspective view showing an unlocking method.

Explanation of symbols

1 product (soft storage case)
DESCRIPTION OF SYMBOLS 2 Display case 3 Storage room 4 Opening part 5 Case main body 7 Opening and closing locking device 8 Housing 9 Key member 10 Locking member 13 Groove part 14 Groove opening 15 Entrance / exit 16 Connection piece 18 Vertical plate part 19 Horizontal plate part 20 Connection hole 21 Vertical wall part 22 Horizontal wall portion 23 Plug portion 24 Pull-out magnetic body 25 Locking means 26 Unlocking magnetic body 27 Lock claw 28 Notch 29 Opening / closing interlocking means 30 Opening interlocking cam mechanism 31 Closing interlocking cam mechanism 32 Main driving means 33 Follower means 36 Hole 37 Protrusion 38 Cam surface 39 Unlocking device 41 First support wall 42 Second support wall 43 Receiving groove 44 Unlocking magnet means 45 Pulling magnet means

Claims (6)

Opening and closing locking device that closes a part of the opening (4) from the opening edge to the opening (4) of the case body (5) that allows the product (1) to be inserted into and removed from the storage chamber (3). In the configuration provided with (7),
A housing (8) extending in the X-axis direction along the opening edge of the case body (5) and having an entrance / exit (15) at an end in the X-axis direction, and the entrance / exit (15) in the X-axis direction The key member (9) inserted into the housing (8) so as to be movable back and forth in the insertion direction F1 and the drawing direction R1 via the, and the Y-axis direction from the opening edge of the case body (5) toward the opening. A locking member (10) attached to the housing (8) so as to be movable back and forth in the forward direction F2 and the backward direction R2 with respect to the opening (4);
The key member (9) is provided with locking means (25) for locking so as to prevent movement in the pull-out direction R1 when inserted in the housing (8), and is unlocked from the outside of the housing (8). An unlocking magnetic body (26) for releasing the locking of the lock means (25) when the magnet means (44) is faced is provided,
When the key member (9) is moved in the insertion direction F1, the lock member (10) and the key member (9) move the lock member (10) in the forward direction F2 and pull out the key member (9). An opening / closing locking device for a product display case, which is interlockedly connected by opening / closing interlocking means (29) for moving the locking member (10) in the backward direction R2 when moved in the direction R1. The housing (8) of the case body (5) forms a groove portion (13) having a groove opening (14) that opens along the opening edge of the case body (5), and the groove portion (13) has a Y-axis. With a connecting piece (16) protruding in the direction,
The locking member (10) includes a vertical plate portion (18) covering the groove opening (14) of the groove portion (13), and a horizontal plate extending from the vertical plate portion (18) toward the inside of the groove opening (14). A connection hole (20) for inserting the connection piece (16) into the horizontal plate part (19),
When the key member (9) is inserted into the groove (13) from the entrance (15) of the housing (8), the vertical wall portion (21) facing the vertical plate portion (18) and the horizontal plate portion ( 19) and a lateral wall (22) facing
The locking means (25) is provided between the edge of the horizontal plate portion (19) of the lock member (10) and the vertical wall portion (21) of the key member (9), and the horizontal plate portion of the lock member (10) ( The opening / closing locking device for a product display case according to claim 1, wherein the opening / closing interlocking means (29) is provided between the lateral wall portion (22) of the key member (19) and the key member (9). The opening / closing interlocking means (29) includes an opening interlocking cam mechanism (30) that moves the lock member (10) in the backward direction R2 by the movement of the key member (9) in the pull-out direction R1, and the insertion direction of the key member (9). 3. A product display case opening / closing locking device according to claim 1 or 2, comprising a closing interlock cam mechanism (31) for moving the lock member (10) in the forward direction F2 by the movement of F1. The closing interlock cam mechanism (31) is configured such that the key member (9) moved in the pull-out direction R1 and the lock member (10) moved in the backward direction R2 are fitted together from the Y-axis direction, thereby 4. A product display case opening and closing locking device according to claim 3, characterized in that (9) comprises a hole (36) and a projection (37) which prevent the (9) from being pulled out from the doorway (15). The key member (9) is inserted so as to be substantially flush with the edge portion of the entrance / exit (15) of the housing in a state of moving in the insertion direction F1 with respect to the housing (8) of the case body (5). 5. A product display case opening and closing locking device according to claim 1, further comprising: a plug portion (23), wherein the plug portion (23) is provided with a pulling magnetic body (24). . An unlocking device (39) for unlocking the opening and closing locking device (7) according to claim 5,
A first support wall (41) facing the locking means (25) of the key member (9) from the outside of the housing (8) of the case body (5), and a second facing the plug portion (23) of the key member (9). A support wall (42) and a receiving groove (43) extending in parallel to the first support wall (41) facing the lock member (10) so as to face the backward direction R2 of the lock member (10),
The first support wall (41) is provided with unlocking magnet means (44), and the second support wall (42) is provided with extraction magnet means (45). Unlocking device in the device.

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