JP2011001110A - Fraudulent use preventing apparatus for unlocking apparatus in anti-theft apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fraudulent use preventing apparatus for an unlocking apparatus in an anti-theft apparatus.SOLUTION: This fraudulent use preventing apparatus (61) is constituted of a fixing member (62) which is fixed to the bottom surface of the unlocking apparatus (3) through a fixing means, a cover member (63) which is freely openably/closably connected with the fixing member through a pivotal shaft (65), and a lock means (64) which freely detachably fastens the fixing member and the cover member to each other. The posture of the cover member (63) is changeable between a closed posture (P1) for covering a front surface wall (40a) including a key protuberance (41) of the unlocking apparatus (3) and an opened posture (P3) for opening, and is fix-locked so that the posture may become unchangeable by the lock means (64) under a state wherein the cover member is located under the closed posture (P1). For the cover member (63), a breaking means (81) which advances under the key protuberance (41) under a state wherein the cover member is located under the closed posture (P1) is installed.

Description

  The present invention relates to a case for displaying and displaying a product in a store, a product display case provided with a locking device that can be opened and closed to prevent theft of the product due to shoplifting, etc., and an unlocking device that releases the opening and closing lock The anti-theft device thus configured relates to a device for preventing unauthorized use of the unlocking device.

  Conventionally, in various retail stores or the like, a crime prevention tag is attached to each product in order to prevent the displayed product from being stolen. Therefore, if the product is to be taken out of the store with the security tag attached, a detection device installed at the entrance gate issues an alarm to prevent theft.

  However, since the security tag is usually attached to the product with an adhesive and can be peeled off, if it is removed from the product and discarded before being taken out of the store, there is no anti-theft effect.

  For this reason, for example, products that are put in an outer case such as a paper box such as cosmetics sold at a drug store display only an empty outer case from which the product has been extracted, and customers who purchase this product are An empty exterior case is brought to a cashier counter, and a store clerk inserts a product into the exterior case.

  However, the customer is reluctant to purchase a product simply by examining an empty outer case, and usually desires to visually examine and examine the actual product.

JP 2007-331843 A

  Therefore, the present applicant has proposed an anti-theft device comprising a product display case having a locking mechanism and an unlocking device as a prior application (Japanese Patent Application Nos. 2008-128078 and 2008-212976).

  If the product display case in the anti-theft device of the prior application is a product placed in an exterior case, the exterior case containing the product should be stored in the display case, or the product removed from the exterior case should be stored in the display case. Will be displayed at the store. Alternatively, in the case of a product that does not have an exterior case, the product is displayed in a store by storing the product in the display case (hereinafter, the product stored in the product display case is referred to as “product” regardless of the presence or absence of the external case) Called). The product display case is entirely or partially transparent, and the product can be seen through from the outside with the naked eye.

  At this time, the product display case is provided with a security tag inside. Therefore, when an unauthorized person pretending to be a customer tries to take a product display case out of the store, the detection device installed at the entrance gate issues an alarm to prevent theft.

  The product display case has an open / close structure, and the product can be taken in and out by opening the lid, but in the closed state, it can be opened and closed by a locking mechanism so that it cannot be opened unless an unlocking device is used. Yes. Therefore, the customer examines the product display case by looking through the product, and if it is desired to purchase, bring it to the cashier counter, and the authorized clerk will unlock the locking mechanism with the unlocking device. Open the product display case and deliver the product to the customer. The empty product display case after taking out the product is then reused in the store.

  The locking mechanism of the product display case has two types of locking means composed of a protruding piece unlocking type locking means and a magnet unlocking type locking means. A table part that allows the case to be slidably mounted and an unlocking part that stands up from the table part are formed, and the unlocking part unlocks the protruding piece unlocking locking means. And a permanent magnet for unlocking the magnet unlocking type locking means.

  Therefore, when the authorized store clerk unlocks the locking mechanism of the product display case, the product display case is placed on the table unit in a predetermined posture and is slid toward the unlocking unit. Are simultaneously unlocked with one touch.

  However, in recent years, in light of the current situation in which a thief group or the like invades a store at midnight and steals money, there is a concern that the unlocking device may be stolen. , An unauthorized person who brought the unlocking device comes to the store as a customer and can freely unlock the locking mechanism of the product display case, so that the product may be easily stolen.

  The present invention provides a device for preventing unauthorized use of the unlocking device in the above-described antitheft device, and the device for preventing unauthorized use makes the unlocking device unusable when operated by an authorized store clerk. If the unlocking device is stolen, if the thief tries to remove the unauthorized use prevention device from the unlocking device, the unlocking function is lost, and the unlocking device is no longer available. It is characterized in that it is configured so that it cannot be used.

  Therefore, the present invention is configured as a means, in the anti-theft device comprising the product display case (1) having the locking mechanism (2) and the unlocking device (3), the product display case (1) is The first case component (4) and the second case component (7), which are fitted to each other so as to be openable and closable, include the first case component (4) and the second case component (7). The locking means (10) is configured to lock the opening and closing of the case structure (7) so that they cannot be opened together. The locking means (10) operates to unlock the opening and closing lock when subjected to a pressing force. The opening (27) that enables the pressing force to be applied to the operation piece (12) from the outside of the piece (12) and the product display case is provided, and the unlocking device (3) is a product display case ( 1) forming a slidable table portion (39) and an unlocking portion (40) standing up from the table portion (39), and the table portion (40) 39) facing the front wall (40 provided with a back wall (40b) opposite to a), and when the product display case (1) is slid toward the unlocking part (40) on the table part (39), the opening part (27) The key projection piece (41) for pressing the operation piece (12) is provided on the front wall (40a), and the unlocking device (3) is provided with an unauthorized use prevention device (61). The unauthorized use prevention device (61) includes a fixing member (62) fixed to the bottom surface of the unlocking device (3) via fixing means, and the fixing member via a pivot (65). The cover member (63) connected to be openable and closable, and the lock means (64) for detachably locking the fixing member and the cover member to each other, the cover member (63) being the unlocking device. The posture can be changed between a closed posture (P1) covering the front wall (40a) including at least the key projecting piece (41) of (3) and an open posture (P3), and the closed posture (P1 ) Cannot be changed in position by the lock means (64) The cover member (63) is configured to be fixedly locked, and in the state where the cover member (63) is positioned in the closed position (P1), the breaker means (81) entering below the key projecting piece (41). When the unlocking device (3) is pulled downward from the cover member (63) in a state where the unlocking device (3) is fixedly locked by the lock means (64), the breaking means (81) is provided with the key projecting piece (41). The point is that it is configured to destroy.

  In a preferred embodiment of the present invention, the fixing member (62) includes a base portion (66) facing the bottom of the unlocking portion (40), and the pivot (65) extending from both sides of the base portion. A support wall bracket (67, 67), and a fixed wall portion (68) standing up from the base portion to the back wall (40b), and between the fixed wall portion (68) and the back wall (40b) The locking means (64) is disposed in the locking space (73) so as to be operable from the outside of the fixed wall portion (68). (63) comprises a front cover part (75) covering the front wall (40a) of the unlocking part (40), and an upper cover part (76) covering the upper part of the unlocking part (40), The breaking means (81) that enters below the key protrusion (41) extends from the lower edge of the front cover portion (75), and faces the locking space (73) on the upper cover portion (76). Locking means detachably locked to the lock means (64) (80) is provided, the cover member (63) allows the breaking means (81) to enter below the key protrusion (41) and the locking means (80) to face the locking space (73). A closed posture (P1), and an opening / closing standby posture (P2) in which the breaking means (81) is retracted from below the key protrusion (41) and the locking means (80) is retracted from the lock space (73). The pivot means (65) is pivotally supported so that the posture can be changed between the front cover portion (75) facing upward and the open posture (P3) opening the front wall (40a). (64) is a state in which the cover member (63) is positioned in the closed position (P1), and the lock means (80) is detachably locked, thereby allowing the cover member (63) to be in the closed position. (P1) is configured to be fixedly locked.

  The locking means (80) is placed on the top surface (40c) of the unlocking portion (40) when the cover member (63) is positioned in the open posture (P3), thereby the cover member It is preferable to constitute a holding seat (82) that holds (63) in the open posture (P3).

  According to the present invention, the commodity display case 1 includes at least the locking mechanism 2 that constitutes the protruding piece unlocking locking means 10, and the unlocking device 3 unlocks at least the key protruding piece 41 that unlocks the locking means 10. In the anti-theft device provided on the front wall 40a of the lock part 40, an unauthorized use preventing device 61 of the unlocking device 3 is provided.

  The unauthorized use preventing device 61 includes a fixing member 62 fixed to the bottom surface of the unlocking device 3 by fixing means 72, a cover member 63 connected to the fixing member 62 through a pivot 65, and the fixing member 62. The product display case 1 is configured by a lock means 64 that detachably engages the cover 62 and the cover member 63. When the cover member 63 is positioned in the open position P3, the unlocking portion 40 is opened to open the product display case 1. For the intended purpose of unlocking the locking means 2, the unlocking portion 40 is made unusable when the cover member 63 is fixedly locked by the lock means 64 with the cover member 63 positioned in the closed position P <b> 1. Therefore, unauthorized use of the unlocking device 3 can be suitably prevented by an authorized store clerk holding the key 74 of the lock means 64.

  At this time, in particular, according to the present invention, the cover member 63 is provided with the breaking means 81 that enters the lower side of the key protruding piece 41 in the state of being in the closed posture P1, so that the lock means 64 is fixed. When the unlocking device 3 is pulled downward from the cover member 63 in the locked state, the destruction means 81 is configured to destroy the key protrusion 41. Therefore, even if the unlocking device 3 is stolen, if the thief tries to remove the unauthorized use prevention device 61 from the unlocking device 3, the key protrusion 41 is destroyed, and the unlocking device 3 is no longer used. Since self-destruction is performed so as to make it impossible, there is an effect that the stolen unlocking device 3 can be reliably prevented from being used for a subsequent crime.

  According to the second aspect of the present invention, the cover member 63 can change its posture to the position of the open posture P3 only after the posture is changed from the closed posture P1 to the open / close standby posture P2. When the cover member 63 is fixed and locked by the lock means 64 so that the posture cannot be changed from the closed posture P1 to the open / closed standby posture P2, the cover member 63 positioned in the closed posture P1 will be forcibly opened. Since the key protrusion 41 is destroyed, the above self-destructive effect is ensured.

  Further, according to the third aspect of the present invention, since the locking means 80 of the cover member 63 constitutes the holding seat 82, the cover member 63 is opened to the top surface 40c of the unlocking portion 40 in the open position P3. In addition, the open position P3 can be held by placing the holding seat 82 on the top surface 40c, so that the original use work for unlocking the locking mechanism 2 of the product display case 1 can be easily performed. .

1 shows an embodiment of the antitheft device according to the present invention, in which (A) is a perspective view showing a product display case in an open / close locked state from the front side, and (B) is a perspective view showing the product display case from the back side. FIG. 3C is a perspective view showing the unlocking device. It is a perspective view shown in the state where the product display case was opened. It is a perspective view shown in the state where the product display case was opened and the outer wall plate was separated. The outer side wall board is shown, (A) is a perspective view which shows the outer side of an outer side wall board, (B) is a perspective view which shows the inner side of an outer side wall board, (C) is an outer side regarding a protruding piece unlocking type locking means. It is a perspective view which shows the effect | action of the latching means provided in the wall board from the inner side. It is a perspective view which shows a 1st case structure from the front side. It is a perspective view which shows a 1st case structure from the back side. It is a front view shown in the state where the 1st case structure and the 2nd case structure were separated. It is a longitudinal cross-sectional view shown in the state which left | separated the 1st case structure and the 2nd case structure. It is a front view shown in the state where the 1st case composition object and the 2nd case composition object were fitted. It is the longitudinal cross-sectional view shown in the state which fitted the 1st case structure and the 2nd case structure, (A) is the BB sectional drawing of FIG. 9, (B) is the CC sectional view of FIG. FIG. FIG. 8 shows a cross-section along the line AA in FIG. 7, and (A) shows a protruding piece unlocking type locking means when the first case component is closed by covering the second case component with the crown. Sectional drawing which shows the effect | action of a magnet unlocking type locking means, (B) is a projecting piece unlocking type locking means and magnet unlocking in the state which covered the 2nd case structure and covered with the 1st case structure It is sectional drawing which shows the open / close locked state by the double lock of a locking means of type | formula. It is sectional drawing which shows an effect | action when releasing the double lock of a protruding piece unlocking type locking means and a magnet unlocking type locking means by an unlocking device. 1 shows an embodiment of an unauthorized use prevention device for an unlocking device according to the present invention, and is a perspective view showing the unlocking device, a fixing member, and a cover member in an exploded state. The use state of the unauthorized use prevention apparatus attached to the unlocking device is shown, (A) is a perspective view showing a state where the cover member is positioned in the open position, (B) is the cover member is positioned in the closed position It is a perspective view which shows a state. The state in which the posture of the cover member is changed is shown, (A) is a cross-sectional view showing a state in which the cover member is placed in the closed posture, (B) is a cross-sectional view showing a state in which the cover member is placed in the open / close standby posture, and (C) is It is sectional drawing which shows the state located in the open attitude | position. The operation of the unauthorized use prevention device is shown, (A) is a cross-sectional view showing a state where the cover member is fixedly locked in the closed position, (B) is an unauthorized removal of the fixing means and the unlocking device is pulled away from the cover member It is sectional drawing which shows the state of time.

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

(Overall configuration)
As shown in FIG. 1, the anti-theft device includes a product display case 1 having a locking mechanism 2 and an unlocking device 3.

  As shown in FIG. 2, the product display case 1 includes a first case structure 4 that constitutes a bottom member 4a on which the product M is placed, and a downward opening 5 that surrounds the product M so as to be seen through. The second case constituting body 7 constituting the case main body 7a forming the storage chamber 6 is configured to be detachably fitted toward each other in the X-axis direction. That is, when the second case component 7 is moved in the X1 direction, the upper portion of the first case component 4 is opened, and when the second case component 7 is moved in the X2 direction, the first case component 4 is fitted to the first case component 4. A storage chamber 6 is defined above the one-case structure 4. In order to allow the product M stored in the storage chamber 6 to be seen through from the outside, the entire first case structure 4 and the second case structure 7 may be formed of a synthetic resin so as to be transparent, or the first case. You may form the structure 4 or the 2nd case structure 7 partially transparently. In addition, it is preferable to shape | mold the 1st case structure 4 and the 2nd case structure 7 with hard resin, such as a polycarbonate, respectively. In the case of the illustrated embodiment, one end edge of the bottom member 4a formed in a substantially flat plate shape and one end edge of the case main body 7 formed in a substantially rectangular parallelepiped shape are pivotally connected by a hinge means 8 and arranged at a substantially horizontal position. The bottom member 4a and the case main body 7 are configured to be rotatable as indicated by an arrow R so that the case main body 7 is detachably fitted to the material 4a from the X-axis direction. However, the present invention is not limited to the configuration shown in the figure, and the hinge means 8 may be detachable. Further, the hinge member 8 is not hinged, and the bottom member 4a and the case main body 7 can be separated from each other by a nested type or the like. You may comprise so that it may fit.

  The merchandise display case 1 has a locking portion 9 (the locking portion 9a of the opened first case structure 4 and the locking of the second case structure 7 in the opened front portion facing the Y axis direction intersecting the X axis direction). When the first case structure 4 and the second case structure 7 are fitted to the locking part 9 (fitted state shown in FIG. 1), the Y-axis direction is set. A locking mechanism 2 is provided for locking the Y1 direction toward the outside of the product display case 1 and the Y2 direction toward the inside. The locking mechanism 2 includes a protruding piece unlocking means 10 and a magnet unlocking type locking mechanism. The double locking means by the means 11 is comprised.

  The protruding piece unlocking locking means 10 includes a locking means 10a that is swingable in the Y-axis direction and biased in the Y1 direction between the first case structure 4 and the second case structure 7. The locked means 10b is configured to lock the locking means 10a from the Y1 direction, and the locking means 10a includes an operating piece 12 that can receive the pressing force in the Y2 direction from the outside of the locking portion 9. Yes.

  The magnetic unlocking type locking means 11 includes a locking means 11a that is swingable in the Y-axis direction and biased in the Y2 direction between the first case structure 4 and the second case structure 7, The locked means 11b is configured to lock the locking means 11a from the Y2 direction. The locking means 11a is a magnet that can be magnetically attached to the magnet when a magnet is applied from the outside of the locking portion 9. A piece 34a is provided.

  The locking portion 9 includes an inner wall plate 13 and an outer wall plate 14 provided in the case main body 7, a fitting space 15 formed between both wall plates 13 and 14, and an X axis with respect to the fitting space 15. It is constituted by an upright wall plate 16 provided on the bottom member 4a so as to be detachably fitted from the direction, and the engagement of the protruding piece unlocking locking means 10 between the outer wall plate 14 and the bottom member 4a. The locking means 10 a and the locked means 10 b are provided, and the locking means 11 a and the locked means 11 b of the magnet unlocking locking means 11 are provided between the inner wall plate 13 and the standing wall plate 16.

  As shown in FIGS. 3 and 4, the outer wall plate 14 is configured to be detachably attached to the case main body 7, and an attachment portion 18 for a security tag 17 is provided inside the outer wall plate 14. Yes. The security tag 17 is detachably attached to the mounting portion 18 with an adhesive or the like.

  In the case of the illustrated embodiment, ribs 19a, 19a, 19b extending along the inner sides of the side walls 7b, 7b and the top wall 7c of the case body 7a are formed at the front end of the case body 7, An inner wall plate 13 is fixed at an inner position spaced from the rib so as to form the fitting space 15. On the other hand, the outer wall plate 14 is formed with grooves 20 extending along three sides so that the ribs 19a, 19a, 19b are slidably fitted, and the ribs are formed on the outer side of the groove 20 therebetween. A plate wall 21 is formed so as to be superimposed on 19a, 19a, 19b, and a frame wall 22 that is slidably fitted along the inner wall plate 13 is formed inside.

  At this time, the plate wall 21 forms a recess 23 that is recessed from the outer surface to the vicinity of the frame wall 22, whereas a protrusion 24 is formed on the outer surface of the back wall 7 d of the case body 7 a. ing. Accordingly, the product display case 1 with the outer wall plate 14 attached to the case body 7a is positioned in the upper layer when the plurality of product display cases 1 and 1 are stacked with the bottom member 4a and the case body 7a fitted. The convex part 24 of the product display case 1 to be engaged with the concave part 23 of the product display case 1 located in the lower layer. In the case of the illustrated example, the four convex portions 24 are configured to fit into the four corners of the concave portion 23.

  The outer side wall plate 14 is provided with a locking claw 25 at the end of the frame wall 22, and a locking hole 26 is formed in the inner side wall plate 13 for releasably locking the locking claw 25. . When the plate wall 21 of the outer wall plate 14 is disposed on the outer side and the frame wall 22 is disposed on the inner side with respect to the ribs 19a, 19a, and 19b, the ribs 19a, 19a, and 19b are formed in the groove 20. The engaging claw 25 is engaged with the engaging hole 26 at the position where it is inserted and completely inserted, and the outer wall plate 14 is fixed so that it cannot be removed. When it is necessary to remove the outer wall plate 14, the locking claw 25 is inserted by inserting the tip of a jig such as a needle member into the locking hole 26 from the inside of the inner wall plate 13 (inside the storage chamber 6). If it escapes from the locking hole 26, the outer side wall board 14 can be extracted. Therefore, the security tag 17 can be replaced at a store where the product display case 1 is used.

  With the outer wall plate 14 attached, the fitting space 15 formed between the inner wall plate 13 and the outer wall plate 14 opens in the X-axis direction along with the opening 5 of the storage chamber 6. When the case main body 7a (second case constituent body 7) and the bottom member 4a (first case constituent body 4) are fitted to each other, the upright wall plate 16 is simultaneously inserted into the insertion space 15, and the protruding piece solution is removed. The lock-type locking means 10 and the magnet unlocking-type locking means 11 are configured to be opened and closed simultaneously.

(Projection unlocking means)
The protruding piece unlocking type locking means 10 is provided with a locking means 10 a on the outer wall plate 14. As shown in FIG. 4, notched openings 27 are formed at the edge of the plate wall 21 facing the opening of the insertion space 15. The locking means 10a extends locking portions 29, 29 on both sides via leg portions 28, 28 extending inward from both sides of the operating pieces 12, 12 disposed in the openings 27, 27, The locking portions 29 and 29 are formed to be swingable by swinging arms 30 and 30. An insertion space 29a is formed between the locking portion 29 and the plate wall 21, and the swing arms 30 and 30 elastically push the locking portions 29 and 29 in the direction of narrowing the insertion space 29a (the Y1 direction). Energize. In other words, as shown in FIG. 4C, when the pressing force P is applied in the direction (Y2 direction) from the outside of the outer wall plate 14 toward the inside of the opening 27, the swing arm When the pressing force P is released, the insertion space 29a is narrowed again by the elastic restoring force of the swinging arms 30 and 30.

  On the other hand, as shown in FIG. 5, the locking means 10b of the protruding piece unlocking locking means 10 has a pair of hooks protruding adjacent to the upright wall plate 16 from the end 4b of the bottom member 4a. It consists of pieces 31,31. When the bottom member 4a and the case body 7a are fitted to each other, the hook pieces 31, 31 have a guide taper surface that pushes the insertion space 29a while being inserted into the insertion space 29a, and are completely inserted. A hook portion 32 is provided to be engaged with the engaging portion 29 when the insertion space 29a is narrowed by restoring the swing arm 30 in the state.

  Therefore, in the protruding piece unlocking type locking means 10, the hook portion 32 is locked to the locking portion 29 by one-touch operation of fitting the bottom member 4 a and the case main body 7 a to each other, and the bottom member 4 a and the case main body 7 a. Open and close the lock so that it cannot be separated. When the pressing force P is applied to the operating piece 12, the opening / closing lock is released, and the bottom member 4a and the case body 7a can be separated.

  In the illustrated embodiment, the protruding piece unlocking type locking means 10 has the locking means 10a provided on the outer wall plate 14 and the locked means 10b provided on the bottom member 4a, but provided on opposite sides to each other. It is good also as a structure. In addition, the configuration in which the pair of hook pieces 31 and 31 are locked to the pair of locking portions 29 and 29 is illustrated, but the number is not limited.

  As shown in FIG. 5, the end portion 4b of the bottom member 4a is located between the hook pieces 31, 31 to form a thick-walled thick portion 50, and the bottom member 4a and the case body 7a are fitted to each other. When they are combined, the thick portion 50 is close to the operating pieces 12 and 12, so that almost no gap is formed between the thick portion 50 and the operating pieces 12 and 12. Then, a plurality of ribs 51 are formed on the end portion 4b located on both sides of the thick portion 50, and when the bottom member 4a and the case main body 7a are fitted to each other, grooves 52 for fitting the ribs 51 are formed. It is formed at the edge of the outer wall plate 14.

  In the case of the illustrated embodiment, the pair of operating pieces 12, 12 are configured to face the pair of openings 27, 27, and the outer wall plate 14 is interposed between the pair of openings 27, 27 as shown in FIG. 9. The plate piece 14a is extended from the first case component 4 and the second case component 5 is fitted to the first case component 4 so that the plate piece 14a is brought into contact with or close to the thick portion 50, and A gap is not formed between the tip of 14a and the thick portion 50.

  Since the outer side wall plate 14 is integrally formed of synthetic resin with the above-described configuration, the edge of the opening 27 and the operating piece as shown in FIG. A gap S is formed between 12.

(Magnet unlocking means)
The magnet unlocking locking means 11 is provided with three locking means 11 a arranged in parallel on the standing wall plate 16. As shown in FIGS. 5 and 6, the locking means 11 a is formed by forming a substantially U-shaped notch groove 33 downward from the standing end side of the standing wall plate 16, thereby swinging surrounded by the notch groove 33. A claw portion 35 is formed on the free end side of the rocking piece 34 so as to protrude inwardly (in the direction of the storage chamber 6), and the opposite side (storage chamber) of the claw portion 35 is formed. The magnetic piece 34a such as an iron piece is provided in a direction opposite to the direction toward the direction 6). The swing piece 34 is elastically biased in a direction (the Y2 direction) protruding from the notch groove 33 to project the claw portion 35. When the magnet faces from the opposite side (outside of the case), the claw portion 35 is moved. It swings in the direction of immersing in the notch groove 33 (Y1 direction described above).

  On the other hand, the locked means 11b of the magnet unlocking means 11 is constituted by three locking window holes 36 formed in the inner wall plate 13, as shown in FIG. When the bottom member 4 a and the case main body 7 a are fitted to each other, the upright wall plate 16 is inserted into the insertion space 15, and the claw portion 35 abuts the edge of the inner wall plate 13, thereby elastically swinging the swing piece 34. It has a guide taper surface that oscillates against this, and has a claw shape that is engaged with the engagement window hole 36 when the oscillating piece 34 is restored in a completely inserted state.

  Therefore, in the magnet unlocking type locking means 11, the claw portion 35 is locked to the locking window hole 36 by one-touch operation of fitting the bottom member 4a and the case body 7a to each other, and the bottom member 4a and the case body 7a. Open and close the lock so that it cannot be separated. When the magnet is exposed from the outside, the opening / closing lock is released, and the bottom member 4a and the case body 7a can be separated.

  In the illustrated embodiment, the magnet unlocking type locking means 11 is provided with the locking means 11a on the standing wall plate 16 and the locked means 11b on the inner wall plate 13, but on the opposite sides. It is good also as the provided structure. Moreover, although the structure which the three nail | claw parts 35 latch in the three latching window holes 36 was illustrated, the number does not ask | require.

  As shown in FIG. 5, the cutout groove 33 surrounding the swing piece 34 located at the center is provided with a window hole 53 that opens both sides and the lower side of the lower end of the swing piece 34, and A shield wall 54 is provided so as to stand up from the thick portion 50.

(Permanent lock means)
Of the three oscillating pieces 34, the oscillating piece 34 located at least in the center has an inner wall surface in the Y2 direction at an upper portion of the oscillating piece 34, as shown in FIG. And forming a thin portion 55 in which the thickness t of the upper portion of the swing piece 34 is smaller than the thickness T of the upright wall 16, and a through hole 56 is opened in the thin portion 55. Thus, a fragile hinge portion 57 is formed at the upper end portion. On the other hand, the outer wall surface facing the Y1 direction of the swing piece 34 has the lower end portion facing the outer surface of the shielding wall 54 and is inclined in the Y1 direction as indicated by an angle θ from the lower end portion toward the upper portion. A guide surface 58 is formed, and a protrusion 59 is provided on the lower end surface of the swing piece 34.

  As shown in FIG. 8, the swing piece 34 is stopped in a state where the claw portion 35 protrudes in the Y2 direction from the standing wall 16 and the protrusion 59 is positioned above the shielding wall 54. Can be swayed in the Y1 direction, but when the external force is released from the swaying position, it is urged in the Y2 direction by the elastic force of the fragile hinge portion 57 and returns to the stop position. However, if an unauthorized person inserts a thin jig or the like from the outside through a minute gap and forcibly pushes the swing piece 34 in the Y2 direction from the stop position, the projection 59 moves beyond the standing wall 16 in the Y2 direction. Alternatively, the fragile hinge portion 57 is broken to constitute a permanent lock means.

(Other)
As shown in FIGS. 2 and 3, the bottom member 4a has fitting walls 4b and 4b erected along both side edges, and the fitting walls 4b and 4b are connected to both side walls 7b and 7b of the case body 7a. It is comprised so that it may fit inside. In addition to such a fitting configuration, the side walls 7b and 7b of the case body 7a have grooves 37a and 37a that are opened adjacent to the opening 5 of the storage chamber 6 within the thickness of the side walls 7b and 7b. On the other hand, the bottom member 4a is provided with tongue pieces 37b and 37b that are detachably fitted into the grooves 37a and 37a. Therefore, even if an unauthorized person tries to widen the side walls 7b and 7b by inserting a foreign object from the gap of the opening 5 with the bottom member 4a and the case main body 7a fitted to each other, the tongue piece 37b is not formed in the groove 37a. The side wall 7b is not deformed so as to expand.

  Further, in the illustrated embodiment, the bottom member 4a is provided with a protruding piece 38 protruding from the inside of the fitting walls 4b and 4b. As a result, a thin information body such as a leaflet or a card describing a product description is placed on the bottom member 4a, and the edge of the information body can be fitted into the lower surface of the protruding piece 38 to be fixed. In this case, the product M is placed on the information body.

(Unlocking device)
As shown in FIGS. 1C and 13, the unlocking device 3 includes a table portion 39 on which the product display case 1 is slidably mounted, and an unlocking portion 40 that stands from one end of the table portion 39. ing. The unlocking portion 40 includes a front wall 40a facing the table portion 39, and a back wall 40b opposite to the front wall 40a. A key protruding piece 41 protruding from the front wall 40a is provided in a protruding manner, A permanent magnet 42 is embedded in the unlocking portion 40. As shown in FIG. 13, the unlocking device 3 is provided with an unauthorized use prevention device 61 to be described later, thereby being configured to prohibit unauthorized use.

(Operation of the open / close lock state)
Regarding the operation of the present invention, FIG. 9 shows the locking part 9 of the product display case 1 in a state in which the second case structural body 7 is fitted to the first case structural body 4, and the BB cross section and C of FIG. -C cross sections are shown in FIGS. 10A and 10B, respectively.

  As shown in FIG. 10 (A), the protruding piece unlocking locking means 10 urges the locking portion 29 of the locking means 10a provided on the outer wall plate 14 in the Y1 direction, thereby The portion 29 is locked to the hook portion 32 of the locked means 10b provided on the bottom member 4a, whereby the case main body 7a is locked to be opened and closed so as not to separate from the bottom member 4a in the X1 direction. A gap S due to the opening 27 is formed on the upper side of the operating piece 12, but the thick portion 50 faces close to the lower side of the operating piece 12 of the locked means 10 b. A gap is prevented between the piece 12 and the bottom member 4a so that a tip of a jig such as a screwdriver can be inserted.

  Further, the magnet unlocking locking means 11 is provided on the inner wall plate 13 by urging the claw part 35 of the locking means 11a provided on the standing wall 16 in the Y2 direction. The case main body 7a is locked to be opened and closed so as not to separate from the bottom member 4a in the X1 direction by being locked in the locking window hole 36 of the locked means 11b.

  As shown in FIG. 10B, among the three locking means 11a and the locked means 11b constituting the magnet unlocking type locking means 11, the locking means 11a and the locked means located on both sides. The rib 51 of the bottom member 4a and the groove 52 of the outer wall plate 14 are fitted to each other at a portion facing 11b. Accordingly, it is impossible to insert the tip of a jig such as a screwdriver between the operating piece 12 and the bottom member 4a located at this location.

(Open / close lock and unlock action)
11 and 12 show cross-sectional views corresponding to the line AA in FIG. 7, and FIG. 11A moves the second case structural body 7 relative to the first case structural body 4 in the X2 direction. FIG. 11B shows a state in which the opening / closing lock is achieved by fitting the second case component 7 to the first case component 4. Yes. FIG. 12 shows a state where the unlocking lock is unlocked by using the unlocking device 3.

  As shown in FIG. 11A, when the case main body 7a is moved in the X2 direction with respect to the bottom member 4a to be crowned (in the case of the illustrated embodiment, the case main body 7a is used as a fulcrum and the case main body 7a is used as the bottom member 4a. ), The upright wall plate 16 is inserted into the insertion space 15, and the protruding piece unlocking locking means 10 and the magnet unlocking locking means 11 are simultaneously opened and closed with one touch.

  As shown in FIG. 11 (A), when the hook portion 32 of the locked means 10b is inserted into the insertion space 29a of the locking means 10a, the protruding piece unlocking locking means 10 can be The locking portion 29 is moved in the Y2 direction along the guide taper surface 32a, thereby allowing the hook portion 32 to be inserted into the insertion space 29a. When the hook portion 32 is completely inserted into the insertion space 29a, the locking portion 29 returns to the original position and is locked to the locking edge 32b of the hook portion 32 as shown in FIG. In this state, the case main body 4a is locked to be opened and closed by the protruding piece unlocking locking means 10 so as not to separate from the bottom member 4a in the X1 direction.

  As shown in FIG. 11A, when the standing wall plate 16 is inserted into the insertion space 15, the magnet unlocking type locking means 11 is configured such that the guide taper surface 35 a of the claw portion 35 is the edge of the inner wall plate 13. , The swing piece 34 is swung in the Y1 direction so that the claw portion 35 is retracted from the inner wall plate 13, and thereby the upright wall plate 16 is inserted into the fitting space 15. forgive. When the upright wall plate 16 is completely inserted into the insertion space 15, as shown in FIG. 11B, the swinging piece 34 is restored to return the claw part 35 to the original position. The locking edge 35 b is inserted and locked into the locking window hole 36. In this state, the case body 4a is locked to be opened and closed by the magnet unlocking locking means 11 so as not to separate from the bottom member 4a in the X1 direction.

  FIG. 12 shows the operation when the unlocking device 3 releases the open / close locked state. When the bottom member 4a is placed on the table portion 39 of the unlocking device 3 and slides in the Y1 direction, the outer wall plate 14 faces the unlocking portion 40. In order to facilitate the positioning of this facing arrangement, as shown in FIG. 1, the product display case 1 (the surface of the outer wall plate 14 in the example) and the unlocking device 3 (the upper surface of the unlocking part 40 in the example) Are displayed with alignment marks 43 and 44, respectively. In addition, for the purpose of facilitating the sliding movement and preventing the bottom surface of the bottom member 4a from being scratched by the sliding movement, small protrusions 45 are provided on the bottom surface (for example, the four corners of the bottom surface) of the bottom member 4a. Yes.

  After positioning so as to be in the above-mentioned arrangement state, as shown in FIG. 12, when the product display case 1 is slid in the Y1 direction on the table portion 39, the projecting piece 41 faces the operating piece 12, and the magnet 42 is moved. It faces the magnetic piece 34a.

  As described above, when the protruding piece unlocking locking means 10 applies a pressing force to the operating piece 12 from the outside through the opening 27, in other words, the operating piece 12 applies the pressing force toward the inside. It is configured to unlock the open / close lock when received. On the contrary, the magnet unlocking locking means 11 is configured to release the opening / closing lock when the swing piece 34 is pulled toward the outside.

  Therefore, when the product display case 1 is slid in the Y1 direction so that the outer wall plate 14 approaches the unlocking portion 40, the operating piece 12 is pushed in the Y2 direction by the key protrusion 41, and the locking portion 29 is moved to the hook portion. Since it is made to detach | leave from 32, the opening / closing lock | rock of the protruding piece unlocking type locking means 10 is cancelled | released. Further, when the magnetic piece 34 a is attracted to the magnet 42, the swing piece 34 is swung and the claw portion 35 is detached from the locking window hole 36, so that the opening / closing lock of the magnet unlocking locking means 11 is unlocked. Is done. Therefore, if the case main body 7a is pulled up in the X1 direction while the product display case 1 is stopped at this position, the space above the bottom member 4a on which the product M is placed is opened. In this way, the product display case 1 can be opened simply by placing the bottom member 4a on the table 39 and sliding the product display case 1 in the Y1 direction, and the product M is opened by opening the lid. Therefore, the product M on the bottom member 4a can be picked up immediately.

(Unauthorized use prevention device for unlocking device)
As shown in FIGS. 13 and 14, an unauthorized use prevention device 61 is attached to the unlocking device 3. The unauthorized use prevention device 61 includes a fixing member 62 fixed to the bottom surface of the unlocking device 3 and a cover member 63 pivotably connected to the fixing member. The fixing member 62 and the cover member 63 There is provided a lock means 64 for releasably engaging with each other.

  The fixing member 62 and the cover member 63 are firmly constructed of a steel plate or the like, and are pivotally connected to each other by a metal pivot 65 and attached to the unlocking device 3. It has high rigidity that does not easily collapse.

  The fixing member 62 includes a base portion 66 that covers the unlocking portion 40 of the unlocking device 3 from the bottom, brackets 67 and 67 that stand from both sides of the base portion 66, and a rear wall of the locking portion 40 from the base portion 66. A fixed wall 68 that stands up to 40b is formed, and a bracket support hole 69 that supports the pivot 65 is provided in the brackets 67 and 67.

  In the case of the illustrated embodiment, the fixed wall portion 68 forms a covering wall 70 bent in an approximately inverted U shape in section from the upper end edge to between the brackets 67, 67, and is separated from the inner surface of the fixed wall portion 68. The positioning piece 71 is fixed to the base portion 66 at a certain position.

  As shown in FIG. 15A, the fixed wall portion 68 causes the positioning piece 71 to abut against the back wall 40 b of the unlocking portion 40 in a state where the base portion 66 is along the bottom surface of the unlocking device 3. The base portion 66 is fixed by fixing means 72 such as screws. In the case of the illustrated example, the fixing means 72 is screwed into the bottom surface of the unlocking portion 40, but the base portion 66 may be extended to be screwed into the bottom surface of the table portion 39.

  With the fixing member 62 fixed to the unlocking device 3, a lock space 73 is formed between the fixed wall portion 68 and the back wall 40 b, and a lock means 64 is disposed in the lock space 73. In the illustrated embodiment, the lock means 64 is mounted on the fixed wall 68, but may be mounted on the base 66.

  The lock means 64 is composed of a lock such as a cylinder lock that is operated by inserting a key 74 from the outside on the back side of the fixed wall portion 68 and rotating, and a locking piece 64 a is disposed above the lock space 73. It is configured to invade.

  The cover member 63 overlaps the front cover portion 75 covering the front wall 40a of the unlocking portion 40, the upper cover portion 76 covering the unlocking portion 40, and the brackets 67 and 67 of the fixing member 62. The side wall 77 is provided with a shaft support hole 78 that is supported by the pivot shaft 65. The shaft support hole 78 forms a long hole extending in the extending direction of the table portion 39 to constitute the posture changing means 79 of the cover member 63.

  The upper cover portion 76 of the cover member 63 is provided with locking means 80 that is detachably locked to the locking pieces 64a of the lock means 64 when the rear edge faces the locking space 73, and the front cover The part 75 is provided with a breaking means 81 that enters from below the lower edge of the key protrusion 41. In the case of the illustrated example, the locking means 80 is formed by bending the rear edge of the upper cover portion 76 downward, and the breaking means 81 faces sideways with the lower edge of the front cover portion 75 facing the front wall 40a. It is formed by bending.

  The fixing member 62 and the cover member 63 are inserted into the brackets 67 and 67 by inserting the pivot shafts 65 and 65 in a state where the side walls 77 and 77 are overlapped with each other and the shaft support holes 69 and 78 are aligned with each other. It is connected. Although not shown in the drawing, the pivots 65 and 65 have their insertion ends secured by caulking or other means.

  In the state where the cover member 63 is pivotally connected to the fixing member 62, the unauthorized use prevention device 61 is fixed by attaching and fixing the base portion 66 to the bottom surface of the unlocking device 3 by opening and closing the cover member 63. The lock device 3 is selectively enabled and disabled.

  That is, the cover member 63 is in a closed position P1 in which the destruction means 81 enters the key protrusion 41 and the lock means 80 faces the lock space 73 (see FIGS. 15A and 14B). ), The opening / closing standby posture P2 (see FIG. 15B) in which the destruction means 81 is retracted from below the key protrusion 41 and the locking means 80 is retracted from the lock space 73, and the front cover portion 75 is directed upward The posture can be changed between the open posture P3 (see FIGS. 15C and 14A) for opening the front wall 40a. In the case of the illustrated embodiment, such a posture change is made possible by the posture changing means 79 configured by making the shaft support hole 78 a long hole, and as shown in FIGS. The member 63 is movable between the closed posture P1 and the open / close standby posture P2 along the elongated hole of the shaft support hole 78 with respect to the pivot 65, and is shown in FIG. 15C from the position of the open / close standby posture P2. As described above, the pivot 65 is pivotable toward the open posture P3.

  Therefore, when the cover member 63 is positioned in the closed posture P1, the front wall 40a including the key protrusion 41 is covered by the front cover portion 75, so that the unlocking device 3 unlocks the open / close lock of the product display case 1. It does not have a function to do. When the locking piece 64a of the lock means 64 is projected by the key 74 in the closed posture P1, the locking piece 64a is locked to the locking means 80 as shown in FIG. The member 63 is fixedly locked so as not to move toward the open standby posture P2. Therefore, unless the fixed lock is released by the key 74, the unlocking device 3 does not have the unlocking function. In this state, the cover member 63 is prevented from moving upward by causing the destruction means 81 to enter the lower side of the key protrusion 41. Therefore, when an unauthorized person forcibly moves the cover member 63 upward, the cover member 63 is destroyed. Means 81 breaks and destroys the key protrusion 41. For this reason, when the front wall 40a of the unlocking part 40 is opened by forcibly moving the cover member 63 upward, the key protrusion 41 is broken, and the unlocking device 3 is no longer able to open and close the product display case 1. Can no longer be used to unlock the lock.

  When the unlocking device 3 is used for the intended purpose, the locking piece 64a of the lock means 64 is disengaged from the lock means 80 by the key 74, and the cover member 63 is moved to the position of the open standby posture P2. After that, it may be rotated so as to be in the open posture P3, and thereby the front wall 40a of the unlocking part 40 is opened, so that it can be used to unlock the opening / closing lock of the product display case 1. . Incidentally, when the posture of the cover member 63 is changed from the open posture P3 to the closed posture P1, the reverse operation is performed.

  In the case of the illustrated embodiment, the posture changing means 79 that can change the posture of the cover member 63 is configured by a long hole formed in the shaft support hole 78 of the cover member 63, but is not limited thereto. Instead, the posture changing means 79 may be configured by making the shaft support hole 69 of the fixing member 62 into a long hole, and further, the posture changing means may be formed by forming the pivot 65 in a crank shape or by linking it. 79 may be configured.

  As shown in FIG. 15 (C), the holding means that the locking means 80 is placed on the top surface 40c of the unlocking portion 40 so that the cover member 63 holds the standing posture in the state where it is positioned in the open posture P3. Preferably, the seat 82 is formed.

  The unauthorized use prevention device 61 of the present invention makes it possible to select the unlocking device 3 between a predetermined usable state and an unusable state by holding a key 74 by an authorized store clerk or the like. When the store is closed, the cover member 63 is fixedly locked by the lock means 64 in the closed posture P1. At this time, a theft group or the like may enter the store at midnight and steal the unlocking device 3 in a state where the cover member 63 is fixedly locked. As described above, since the unauthorized use prevention device 61 and the unlocking device 3 are fixed by the fixing means 72 on the bottom surface, the thief tries to remove the fixing means 72.

  However, even if the fixing means 72 is successfully removed, the unauthorized use prevention device 61 surrounds the unlocking portion 40 of the unlocking device 3 from above and below with the cover member 63 and the fixing member 62, and the positioning piece 71. The breaking means 81 sandwiches the back wall 40b and the front wall 40a of the unlocking portion 40, and the breaking means 81 is entered below the key protrusion 41 to prevent the cover member 63 from moving upward. Therefore, when the thief tries to forcefully open the cover member 63 by deforming or breaking the pivot 65, the unlocking device 3 is pulled downward from the cover member 63 as shown in FIG. Therefore, the key protrusion 41 is broken and broken by the breaking means 81.

  Alternatively, when a thief tries to pull out the unlocking device 3 from the unauthorized use prevention device 61 by forcibly deforming the base portion 66 of the fixing member 62 with a tool or the like, in this case as well, FIG. As shown, since the unlocking device 3 is pulled downward from the cover member 63, the key protrusion 41 is broken by the breaking means 81.

  As a result, the unlocking device 3 can no longer be used to unlock the open / close lock of the merchandise display case 1, and is not used for subsequent merchandise theft crimes.

DESCRIPTION OF SYMBOLS 1 Commodity display case 2 Locking mechanism 3 Unlocking device 4 1st case structure 7 2nd case structure 10 Projection piece unlocking locking means 12 Actuating piece 27 Opening part 39 Table part 40 Unlocking part 40a Front wall 40b Back wall 40c Top surface 41 Key protrusion 61 Unauthorized use prevention device 62 Fixing member 63 Cover member 64 Locking means 64a Locking piece 65 Pivot 66 Base part 67 Bracket 68 Fixing wall part 69 Shaft support hole 70 Covering wall 71 Positioning piece 72 Fixing means 73 Locking space 74 Key 75 Front cover portion 76 Upper cover portion 77 Side wall 78 Shaft support hole 79 Posture changing means 80 Locking means 81 Destruction means 82 Holding seat

Claims (3)

In the anti-theft device consisting of a product display case (1) with a locking mechanism (2) and an unlocking device (3),
The product display case (1) is composed of a first case structure (4) and a second case structure (7) which are fitted to each other so as to be openable and closable.
The locking mechanism (2) constitutes a locking means (10) that opens and closes and locks the first case component (4) and the second case component (7) so that they cannot be opened together. (10) is an operating piece (12) that unlocks the open / close lock when receiving a pressing force, and an opening (27) that allows the pressing force to be applied to the operating piece (12) from the outside of a product display case. )
The unlocking device (3) forms a table part (39) that allows the product display case (1) to be slidably mounted, and an unlocking part (40) that stands up from the table part (39). The unlocking portion (40) includes a rear wall (40b) opposite to the front wall (40a) facing the table portion (39), and a product display case (1) is placed on the table portion (39). When sliding toward the unlocking part (40), a key protrusion (41) that enters the opening (27) and applies a pressing force to the operation piece (12) protrudes into the front wall (40a). The unlocking device (3) is provided with an unauthorized use prevention device (61),
The unauthorized use prevention device (61) is connected to a fixing member (62) fixed to a bottom surface of the unlocking device (3) through fixing means, and is connected to the fixing member through a pivot (65) so as to be opened and closed. Cover member (63), and a lock means (64) for releasably locking the fixing member and the cover member,
The cover member (63) is between a closed posture (P1) covering the front wall (40a) including at least the key protrusion (41) of the unlocking device (3) and an open posture (P3). The posture can be changed at the closed position (P1), and is configured to be fixed and locked by the lock means (64) so that the posture cannot be changed,
Further, the cover member (63) is provided with a breaking means (81) that enters below the key protruding piece (41) in a state where it is positioned in the closed position (P1), and the lock means (64 ), When the unlocking device (3) is pulled downward from the cover member (63) in a state of being locked and locked, the destruction means (81) is configured to destroy the key protrusion (41). A device for preventing unauthorized use of an unlocking device in a theft prevention device. The fixing member (62) includes a base portion (66) facing the bottom of the unlocking portion (40), and a bracket (67, 67) that stands up from both sides of the base portion and pivotally supports the pivot (65). And a fixed wall portion (68) standing up from the base portion facing the back wall (40b), and forming a lock space (73) between the fixed wall portion (68) and the back wall (40b). In addition, the lock means (64) is disposed in the locking space (73) so as to be operable from the outside of the fixed wall (68),
The cover member (63) includes a front cover part (75) covering the front wall (40a) of the unlocking part (40) and an upper cover part (76) covering the upper part of the unlocking part (40). A breaker means (81) extending from the lower edge of the front cover portion (75) to the lower side of the key projecting piece (41), and the locking space (73) in the upper cover portion (76). And locking means (80) that is detachably locked to the lock means (64).
The cover member (63) has the closed position (P1) in which the breaking means (81) is entered below the key protrusion (41) and the locking means (80) is faced to the lock space (73), An opening / closing standby position (P2) in which the destruction means (81) is retracted from below the key protrusion (41) and the locking means (80) is retracted from the lock space (73), and a front cover portion (75) is provided. The pivot (65) is pivotally supported so that the posture can be changed between the open posture (P3) that opens the front wall (40a) as upward,
The lock means (64) holds the cover member (63) by detachably locking the lock means (80) in a state where the cover member (63) is positioned in the closed position (P1). The device for preventing unauthorized use of the unlocking device in the anti-theft device according to claim 1, wherein the device is configured to be fixedly locked in the closed posture (P1). The locking means (80) is placed on the top surface (40c) of the unlocking portion (40) when the cover member (63) is positioned in the open posture (P3), thereby the cover member The device for preventing unauthorized use of the unlocking device in the antitheft device according to claim 2, characterized in that it comprises a holding seat (82) for holding (63) in an open posture (P3).

Images