WO2022170685A1

WO2022170685A1 - Commodity anti-theft device

Info

Publication number: WO2022170685A1
Application number: PCT/CN2021/093308
Authority: WO
Inventors: 刘明霞; 耿雨潇
Original assignee: 格美特智能电子科技(昆山)有限公司
Priority date: 2021-02-09
Filing date: 2021-05-12
Publication date: 2022-08-18

Abstract

A commodity anti-theft device (200), comprising a housing and a steel cable (2), the steel cable (2) being configured to lock a commodity (100). The steel cable (2) comprises a core body (20) and a steel wire (22'), the steel wire (22') is wound on the core body (20), and a conductor in the core body (20) and the steel wire (22') constitute a first wire (21) and a second wire (22), respectively; a circuit board (3) is provided in the housing (1), the first wire (21) and the second wire (22) are electrically connected to the circuit board (3), separately, and a free end of the steel cable (2) is connected to form an alarm loop.

Description

Commodity anti-theft device

This application claims the priority of the Chinese patent application with the filing date of February 9, 2021 and the application number 202120362104.2, the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the technical field of commodity anti-theft, for example, to a commodity anti-theft device.

Background technique

In the existing supermarkets or shopping malls, the anti-theft of bottle commodities is usually bound by means of locking ropes.

The existing commodity anti-theft device will only alarm when the commodity with the anti-theft device is taken out of the supermarket or shopping mall and is sensed by the alarm system at the door. If you cut the lock rope in a supermarket or shopping mall and remove the anti-theft device on the product, you can take it out of the supermarket or shopping mall, and it will not play the role of anti-theft.

SUMMARY OF THE INVENTION

The application proposes a commodity anti-theft device, which will automatically alarm after the wire rope is cut.

An embodiment provides a commodity anti-theft device, including a housing and a steel wire rope, the steel wire rope is configured to lock commodities; wherein, the steel wire rope includes a core body and a steel wire, the steel wire is wound on the core body, and the core The conductor in the body and the steel wire constitute a first wire and a second wire respectively; a circuit board is arranged in the casing, the first wire and the second wire are respectively electrically connected with the circuit board, and are located on the wire rope. The free end is connected to form an alarm loop.

Optionally, the free end of the wire rope is provided with an alarm circuit connector, and the first wire and the second wire are connected in the alarm circuit connector.

Optionally, an alarm is further provided in the housing, and the alarm is electrically connected to the circuit board.

Optionally, the alarm includes at least one of an LED indicator light and a buzzer.

Optionally, the commodity anti-theft device further includes a wire rope fixing column, the first end of the wire rope fixing column is fixed in the casing, and the second end of the wire rope fixing column extends out of the casing and the wire rope. connect.

Optionally, the steel wire rope fixing column is provided with a fixing hole and a through hole, one end of the steel wire rope is fixed in the fixing hole, and the free end of the steel wire rope passes through the through hole, so that the steel wire rope is formed. The looped lock cord secures the item.

Optionally, the inner wall of the fixing hole is provided with a communication hole that communicates with the casing, and the first wire and the second wire pass through the communication hole and electrically connect to the circuit board in the casing. connect.

Optionally, the housing is provided with a locking device, and one end of the wire rope fixing column located in the housing is provided with a central hole, and the central hole is communicated with the through hole; the locking device includes a lock cylinder and an elastic piece, the first end of the elastic piece is fixedly connected with the housing, the second end of the elastic piece is fixedly connected with the lock cylinder, under the action of the elastic piece, the lock cylinder extends The central hole is inserted into the central hole to abut the steel wire rope passing through the through hole, so as to fix the steel wire rope.

Optionally, the casing includes a first casing and a second casing, the first casing and the second casing are clamped; the wire rope fixing column is clamped with the first casing, and the circuit board is fixed in the second casing; the second casing is also provided with a sleeve, and the locking device is arranged in the sleeve.

Optionally, a magnetic suction head is provided outside the second housing at a position opposite to the sleeve, and the magnetic suction head is arranged to cooperate with an unlocker to unlock the locking device.

Description of drawings

1 is a schematic structural diagram of a commodity anti-theft device provided by an embodiment of the present application;

2 is a schematic structural diagram of the commodity anti-theft device provided by an embodiment of the present application without the first housing;

3 is an exploded view of the first housing and the wire rope fixing column of the commodity anti-theft device provided by an embodiment of the present application;

4 is a cross-sectional view of a commodity anti-theft device provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a commodity anti-theft device and an unlocker that are cooperatively unlocked according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of the product anti-theft device and the unlocking device provided by an embodiment of the present application applied to bottle commodities.

In the picture:

100, bottle commodities; 200, commodity anti-theft device; 300, unlocker;

301, cavity;

1. Shell; 2. Steel wire rope; 3. Circuit board; 4. Alarm loop connector; 5. Alarm device; 6. Steel wire rope fixing column; 7. Locking device; 8. Alarm induction coil;

11, the first shell; 12, the second shell; 20, the core body; 21, the first wire; 22, the second wire; 22', the steel wire; 51, the LED indicator light; 52, the buzzer; 61, Fixing hole; 62, through hole; 63, central hole; 64, first snap slot; 65, communication hole; 71, lock cylinder; 72, elastic piece;

111, the first clamping block; 112, the avoidance hole; 121, the magnetic suction head; 122, the sleeve; 123, the second clamping groove.

Detailed ways

In the description of this application, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "right" and other azimuth or positional relationships are based on the azimuth or positional relationship shown in the drawings, which are only for the convenience of description and simplification of operations, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

As shown in FIG. 1 and FIG. 2 , this embodiment provides a commodity anti-theft device 200 , which includes a housing 1 and a wire rope 2 , and the wire rope 2 is configured to lock commodities. The steel wire rope 2 includes a core body 20 and a steel wire 22', and the steel wire 22' is spirally wound on the core body 20. The steel wire 22' and the conductors in the core body 20 constitute a first wire 21 and a second wire 22 respectively; A circuit board 3 is provided, and the first wire 21 and the second wire 22 are both electrically connected to the circuit board 3 and connected to the free end of the wire rope 2 to form an alarm loop.

In the commodity anti-theft device 200 provided in this embodiment, the steel wire rope 2 includes a core body 20 and a steel wire 22', the steel wire 22' is wound on the core body 20, and the conductor in the core body 20 and the steel wire 22' constitute the first wire 21 and the second wire respectively. The wire 22 , the first wire 21 and the second wire 22 are all electrically connected to the circuit board 3 , and are connected to the free end of the wire rope 2 to form an alarm loop. Once the steel wire rope 2 is cut and the alarm circuit is disconnected, the circuit board 3 will be triggered to give an alarm, effectively preventing the goods from being stolen.

In this embodiment, the core 20 further includes an insulating skin, and the first wire 21 is disposed in the insulating skin. The insulating sheath separates the first wire 21 and the second wire 22 to prevent the second wire 22 wound on the core 20 from conducting electricity with the first wire 21 .

In order to protect the alarm circuit from damage caused by unintentional reasons such as wear and tear, it will trigger an alarm and cause unnecessary misunderstanding. The free end of the wire rope 2 is provided with an alarm circuit connector 4 , and the first wire 21 and the second wire 22 are connected in the alarm circuit connector 4 . The alarm circuit connector 4 is made of insulating material.

Optionally, as shown in FIG. 2 , the housing 1 is further provided with an alarm 5 , and the alarm 5 is electrically connected to the circuit board 3 . In one embodiment, the alarm 5 includes an LED indicator 51 and a buzzer 52. Both the LED indicator 51 and the buzzer 52 are electrically connected to the circuit board 3. Optionally, the light source of the LED indicator 51 passes through a light guide column. Export housing 1. In this embodiment, the LED indicator 51 and the buzzer 52 are both arranged on the circuit board 3. When the alarm circuit is disconnected, the circuit board 3 triggers the LED indicator 51 and the buzzer 52, and the LED indicator 51 flashes rapidly. , the buzzer 52 beeps to achieve sound and light alarm. In order to lead the light of the LED indicator light 51 out of the housing 1 , a through hole is provided on the housing 1 , and the light guide rod passes through the through hole to lead the light source of the LED indicator light 51 gathered in the housing 1 out of the housing 1 . . In other embodiments, only the LED indicator light 51 may be provided, and the LED indicator light 51 is electrically connected to the circuit board 3 ; or only the buzzer 52 may be provided, and the buzzer 52 is electrically connected to the circuit board 3 .

Optionally, the casing 1 includes a first casing 11 and a second casing 12 , and the first casing 11 and the second casing 12 are snapped together. In this embodiment, there are two second engaging blocks (not shown in the figure) on the first casing 11 , two second engaging grooves 123 are arranged on the second casing 12 , and two second engaging blocks are provided on the second casing 12 . The connecting blocks are matched with the two second locking grooves 123 in a one-to-one correspondence to fasten the first casing 11 and the second casing 12 . In other embodiments, the first casing 11 and the second casing 12 can also be clamped and fixed by other clamping structures.

The first casing 11 and the second casing 12 cooperate to form a receiving cavity, the circuit board 3 is arranged in the receiving cavity, the circuit board 3 is fixed to the second casing 12, the first casing 11 is provided with a guide post, and the through hole is provided At the center of the guide post, the light guide post passes through the through hole of the guide post and communicates with the outside of the first housing 11 , so as to lead the light of the LED indicator 51 out of the housing 1 .

Optionally, as shown in FIGS. 3 and 4 , the commodity anti-theft device 200 further includes a wire rope fixing column 6 , the first end of the wire rope fixing column 6 is fixed in the casing 1 , and the second end extends out of the casing 1 and the wire rope 2 . connect. In this embodiment, the wire rope fixing column 6 includes a clamping seat and a cylinder, and the diameter of the clamping seat is larger than the diameter of the cylinder. A first clamping slot 64 is provided on the clamping seat, a first clamping block 111 and an escape hole 112 are provided on the first housing 11, the cylinder of the wire rope fixing column 6 passes through the escape hole 112, and the The first clamping groove 64 cooperates with the first clamping block 111 to clamp the wire rope fixing post 6 to the first housing 11 .

Optionally, the wire rope fixing column 6 is provided with a fixing hole 61 and a through hole 62, one end of the wire rope 2 is fixed in the fixing hole 61, and the free end passes through the through hole 62, so that the wire rope 2 forms a ring-shaped locking rope to lock the product. . One end of the wire rope 2 is glued to the fixing hole 61 or connected with the fixing hole 61 by interference fit.

In order to facilitate the electrical connection between the first wire 21 and the second wire 22 and the circuit board 3 in the casing 1, the inner wall of the fixing hole 61 is provided with a communication hole 65 that communicates with the casing 1, and there are two communication holes 65. A lead 21 passes through one of the communication holes 65 to be electrically connected to the circuit board 3 in the casing 1 , and the second lead 22 passes through the other communication hole 65 to be electrically connected to the circuit board 3 in the casing 1 . The axis of the fixing hole 61 is arranged at an angle with the axis of the cylinder of the wire rope fixing column 6, the axis of the communication hole 65 is parallel to the axis of the cylinder of the fixing column 6, and penetrates through the clamping seat, so that the first wire 21 and the second wire 22 enters the housing 1 through the communication hole 65 and is connected to the circuit board 3 .

In order to fix the diameter of the looped lock rope to lock the product. The housing 1 is provided with a locking device 7 , and one end of the wire rope fixing column 6 located in the housing 1 is also provided with a central hole 63 , and the central hole 63 communicates with the through hole 62 ; the locking device 7 includes a lock cylinder 71 and an elastic member 72 , the first end of the elastic member 72 is fixedly connected with the housing 1, and the second end is fixedly connected with the lock cylinder 71. Under the action of the elastic member 72, the lock cylinder 71 extends into the central hole 63 and the wire rope 2 which penetrates through the hole 62 abuts against catch. After adjusting the diameter of the ring-shaped lock rope to match the locked commodity, the lock cylinder 71 extends into the central hole 63 and abuts against the concave portion in the helical steel wire concave-convex structure on the wire rope 2 passing through the through hole 62 to lock the commodity. . The elastic member 72 is a spring.

Optionally, a sleeve 122 is further disposed on the second housing 12 , and the locking device 7 is disposed in the sleeve 122 . The lock cylinder 71 moves along the direction of the sleeve 122 under the action of the magnetic force, so as to prevent the lock cylinder 71 from being unbalanced in force, deflected, and unable to be unlocked. One end of the lock cylinder 71 is provided with a stepped hole, the first end of the elastic member 72 is fixedly connected to the bottom of the sleeve 122, and the second end is fixedly connected to the small hole of the stepped hole to increase the stability of the connection between the two, so that the lock cylinder 71 The steel wire rope 2 is compressed under the elastic force of the elastic member 72 .

As shown in FIG. 5 , optionally, a magnetic suction head 121 is provided outside the second housing 12 at a position opposite to the sleeve 122 , and the magnetic suction head 121 is arranged to cooperate with the unlocker 300 to unlock the locking device 7 . The unlocker 300 is provided with a cavity 301 for accommodating the magnetic suction head, and the lock cylinder 71 is made of 45 steel. When unlocking is required, the cavity 301 of the unlocker 300 is aligned with the magnetic suction head 121 of the anti-theft device 200, and the lock cylinder 71 moves in the direction of the unlocker 300 under the action of magnetic force, disengaging from the wire rope 2, and unlocking the commodity. The commodity anti-theft device 200 provided in this embodiment requires a special unlocker 300 to unlock, and general magnets cannot be unlocked.

In this embodiment, an alarm induction coil 8 is also provided in the casing 1 , and the alarm induction coil 8 is electrically connected to the circuit board 3 . The alarm induction coil 8 is set to sense with the alarm system at the entrance of the supermarket or shopping mall, so as to alarm the alarm system.

As shown in FIG. 6 , the product anti-theft device 200 provided in this embodiment can be used for anti-theft of bottle products 100 . In other embodiments, it can also be used for anti-theft of other commodities.

In the commodity anti-theft device provided by this application, the steel wire rope 2 includes a core body 20 and a steel wire 22', the steel wire 22' is wound on the core body 20, and the conductors in the core body 20 and the steel wire 22' constitute the first wire 21 and the second wire 22 respectively. , the first wire 21 and the second wire 22 are both electrically connected to the circuit board 3 and connected to the free end of the wire rope 2 to form an alarm loop. Once the wire rope 2 is cut and the alarm circuit is disconnected, the circuit board 3 will be triggered to give an alarm, which effectively prevents the goods from being stolen.

Claims

A commodity anti-theft device, comprising a casing (1) and a wire rope (2), the wire rope (2) being configured to lock commodities; wherein the wire rope (2) comprises a core (20) and a wire (22') , the steel wire (22') is wound on the core body (20), and the conductor in the core body (20) and the steel wire (22') respectively constitute a first wire (21) and a second wire ( 22); a circuit board (3) is provided in the casing (1), the first wire (21) and the second wire (22) are respectively electrically connected to the circuit board (3), and The free end of the wire rope (2) is connected to form an alarm circuit.
The commodity anti-theft device according to claim 1, wherein the free end of the steel wire rope (2) is provided with an alarm circuit connector (4), and the first wire (21) and the second wire (22) are in the The alarm loop connector (4) is internally connected.
The product anti-theft device according to claim 1, wherein an alarm (5) is further provided in the casing (1), and the alarm (5) is electrically connected to the circuit board (3).
The product anti-theft device according to claim 3, wherein the alarm device (5) comprises at least one of an LED indicator light (51) and a buzzer (52).
The commodity anti-theft device according to claim 1, further comprising a wire rope fixing column (6), the first end of the wire rope fixing column (6) is fixed in the casing (1), and the wire rope fixing column (6) The second end of the ) extends out of the casing (1) and is connected to the wire rope (2).
The commodity anti-theft device according to claim 5, wherein a fixing hole (61) and a through hole (62) are provided on the wire rope fixing column (6), and one end of the wire rope (2) is fixed to the fixing hole In (61), the free end of the steel wire rope (2) passes through the through hole (62), so that the steel wire rope (2) forms an annular lock rope to lock the commodity.
The product anti-theft device according to claim 6, wherein the inner wall of the fixing hole (61) is provided with a communication hole (65) that communicates with the casing (1), and the first wire (21) and the The second wire (22) is electrically connected to the circuit board (3) in the housing (1) through the communication hole (65).
The commodity anti-theft device according to claim 6, wherein a locking device (7) is provided in the housing (1), and one end of the wire rope fixing column (6) located in the housing (1) is provided There is a central hole (63), the central hole (63) communicates with the through hole (62); the locking device (7) comprises a lock cylinder (71) and an elastic piece (72), the elastic piece ( The first end of 72) is fixedly connected to the housing (1), and the second end of the elastic member (72) is fixedly connected to the lock cylinder (71). Under the action of the elastic member (72) , the lock cylinder (71) extends into the central hole (63) and abuts against the steel wire rope (2) passing through the through hole (62), so as to fix the steel wire rope (2).
The commodity anti-theft device according to claim 8, wherein the casing (1) comprises a first casing (11) and a second casing (12), the first casing (11) and the second casing The body (12) is clamped; the wire rope fixing column (6) is clamped with the first casing (11), and the circuit board (3) is fixed in the second casing (12); the second casing (12) The casing (12) is further provided with a sleeve (122), and the locking device (7) is arranged in the sleeve (122).
The product anti-theft device according to claim 9, wherein a magnetic suction head (121) is provided outside the second casing (12) at a position opposite to the sleeve (122), and the magnetic suction head (121) ) is arranged to cooperate with the unlocker (300) to unlock the locking device (7).