Electronic anti-theft device

Abstract

The embodiment of the invention provides an electronic anti-theft device. The electronic anti-theft device comprises a main shell, a first locking block, a controller, an electric driving mechanism and a lantern ring piece. The first slot of the main shell and the first locking block are provided with a locking hole and an avoiding hole which are communicated, the controller is provided with a first electric connecting part and a second electric connecting part, the electric driving mechanism is arranged in the inner cavity, the electric driving mechanism is in transmission connection with the first locking block to drive the first locking block to move, and the lantern ring piece is provided with a first terminal piece and a second terminal piece. When the electronic anti-theft label is in an unlocking state, the electric driving mechanism drives the first locking block to move, so that the avoiding hole is located on the straight line where the first inserting groove is located, and when the electronic anti-theft label is in a locking state, the electric driving mechanism drives the first locking block to move, the first terminal piece is locked through the first locking block, and the avoiding hole is located on the straight line where the first terminal piece is located. The first terminal piece is electrically connected with the first electric connection part. According to the electronic anti-theft device, unlocking and locking actions can be automatically controlled and executed through the electric driving mechanism, manual operation is not needed, and use is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of anti-theft equipment, and in particular to an electronic anti-theft device. Background Art

[0002] Commodity anti-theft is an important part of shopping malls and supermarkets operations and warehouse storage. Especially with the rapid development of society and economy, there are more and more shopping malls and supermarkets, and their scale is getting bigger and bigger. Shopping malls and supermarkets must not only consider reducing labor costs and improving customer experience, but also solve the problem of commodity anti-theft. Anti-theft tags are currently the most commonly used anti-theft devices.

[0003] In the related art, a purely mechanical anti-theft tag is provided, which is made of a specific mechanical structure. When locking, manual operation is required, and sufficient external force needs to be applied to achieve successful locking. Similarly, when unlocking is required, manual operation is required to successfully lock. This purely mechanical anti-theft tag increases the difficulty of use, increases the workload of the staff, and relies on manual operation, which may result in errors and the problem of the anti-theft tag failing to lock successfully. Summary of the invention

[0004] In order to solve one of the above technical defects, an electronic anti-theft device is provided in an embodiment of the present application to solve the problems of the anti-theft device in the prior art, which requires manual operation, is time-consuming and labor-intensive, and has low reliability.

[0005] The present invention adopts the following technical solution:

[0006] An electronic anti-theft device, comprising:

[0007] A main shell, the main shell having an inner cavity and a first slot communicating with the inner cavity;

[0008] A first locking block, the first locking block is slidably disposed in the inner cavity, the first locking block has a locking hole and an avoidance hole, and the locking hole and the avoidance hole are communicated;

[0009] A controller, the controller is arranged in the inner cavity, a first electrical connection portion and a second electrical connection portion are arranged on the controller, and the controller is connected to an alarm device;

[0010] An electric drive mechanism, the electric drive mechanism is disposed in the inner cavity, and the electric drive mechanism is transmission-connected to the first locking block to drive the first locking block to move;

[0011] A collar member, wherein two ends of the collar member are respectively provided with a first terminal member and a second terminal member, the first terminal member and the second terminal member are electrically connected, and the second terminal member is connected to the main housing and is electrically connected to the second electrical connection portion;

[0012] The electronic anti-theft tag has an unlocked state and a locked state. In the unlocked state, the electric drive mechanism drives the first locking block to move so that the avoidance hole is located on the straight line where the first slot is located, and the first terminal piece can pass through the avoidance hole; in the locked state, the electric drive mechanism drives the first locking block to move to the point where the locking hole is located on an extension line of the first slot, and the first locking block locks the first terminal piece, and the first terminal piece and the first electrical connection part are electrically connected.

[0013] Optionally, the first terminal member includes a first thin-diameter body and two first thick-diameter bodies, and the two first thick-diameter bodies are respectively arranged at two ends of the first thin-diameter body;

[0014] The inner diameter of the locking hole is smaller than the inner diameter of the avoiding hole, the inner diameter of the locking hole is smaller than the diameter of the first large diameter body, and the inner diameter of the avoiding hole is larger than the diameter of the first large diameter body;

[0015] In the unlocked state, the first thin-diameter body of the first terminal piece can pass through the avoidance hole;

[0016] In the locked state, the first locking block moves so that the first thin-diameter body passes through the locking hole, and the two first thick-diameter bodies are located on both sides of the first locking block.

[0017] Optionally, the electric drive mechanism includes a motor and a transmission member;

[0018] The motor is electrically connected to the controller, and the transmission member and the first locking block are in transmission cooperation;

[0019] The motor is in transmission connection with the transmission member to drive the first locking block to move.

[0020] Optionally, the transmission member has an eccentric shaft;

[0021] A matching groove is provided on the first locking block;

[0022] The rotating shaft of the motor is connected to the transmission member, the eccentric shaft and the rotating shaft are located in different straight lines, and the eccentric shaft is inserted into the matching groove;

[0023] The motor can drive the first locking block to move until the avoidance hole is on a straight line where the first slot is located by rotating in a first direction, and can drive the first locking block to move until the locking hole is on a straight line where the first slot is located by rotating in a second direction.

[0024] Optionally, the electronic anti-theft device includes an elastic member;

[0025] The main shell has a second slot,

[0026] The second locking block has a locking groove;

[0027] The elastic member is disposed on the main housing, and the elastic member abuts against the second locking block;

[0028] When the second terminal piece is inserted into the second insertion slot, the second terminal piece is inserted into the locking slot, and the second locking block locks the second terminal piece.

[0029] Optionally, the locking groove comprises a through groove and a recessed groove located at one side of the notch of the through groove, and the recessed groove extends along the radial direction of the through groove;

[0030] The second terminal member includes a second thin diameter body and two second thick diameter bodies, and the two second thick diameter bodies are respectively arranged at two ends of the second thin diameter body;

[0031] During the process of inserting the second terminal piece into the second slot, the second terminal piece presses against the inner wall of the recessed groove, so that the second locking block moves to squeeze the elastic piece. When one of the second thick-diameter bodies extends out of the locking groove, the elastic piece pushes the second locking block to reset, so that the two second thick-diameter bodies are limited on both sides of the second locking block.

[0032] Optionally, the elastic member comprises a torsion spring, and a column is provided on the main housing;

[0033] The torsion spring is sleeved on the column, and the torsion spring has two torsion arms, one of the torsion arms abuts against the second locking block, and the other torsion arm abuts against the inner wall of the main shell.

[0034] Optionally, an unlocking hole is provided on the main shell, and the unlocking hole is connected to the inner cavity;

[0035] An extension line of the unlocking hole passes through the second locking block;

[0036] The unlocking hole and the elastic member are located on both sides of the second locking block along the sliding direction.

[0037] Optionally, in the locked state, the first locking block moves to a side of the second locking block away from the unlocking hole to restrict the second locking block from moving toward the side away from the unlocking hole.

[0038] Optionally, the electronic anti-theft device includes a frequency element;

[0039] The frequency element is disposed in the inner cavity, and the frequency element is electrically connected to the controller.

[0040] By adopting the above technical solution, the present application has the following beneficial effects:

[0041] The electronic anti-theft device of the present application is provided with an electric drive mechanism, which can drive the first lock block to move, so as to realize automatic adjustment of the electronic anti-theft device to a locked state or an unlocked state. Manual operation of the staff is not required, the workload of the staff is reduced, the intelligence is high, and the reliability is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0043] Figure 1 A schematic diagram showing the appearance and structure of an electronic anti-theft device provided in an embodiment of the present application is shown;

[0044] Figure 2 A schematic diagram showing the internal structure of a main shell of a hidden side of an electronic anti-theft device provided by an embodiment of the present application;

[0045] Figure 3 A schematic diagram showing the internal structure of the electronic anti-theft device provided by an embodiment of the present application, wherein the main shell on the other side is hidden;

[0046] Figure 4 A schematic structural diagram showing a main shell and a collar member on one side of an electronic anti-theft device provided by an embodiment of the present application;

[0047] Figure 5 A schematic structural diagram of a collar member of an electronic anti-theft device provided in an embodiment of the present application is shown;

[0048] Figure 6 A schematic diagram showing the internal structure of an electronic anti-theft device provided in an embodiment of the present application is shown;

[0049] Figure 7 Another structural schematic diagram of the electronic anti-theft device provided in an embodiment of the present application is shown.

[0050] In the figure: 1, main housing; 11, first slot; 12, second slot; 13, unlocking hole; 2, first locking block; 21, locking hole; 22, avoidance hole; 23, matching slot; 24, matching part; 3, controller; 31, first electrical connection part; 32, second electrical connection part; 33, travel switch; 4, alarm device; 5, electric drive mechanism; 51, motor; 52, transmission member; 521, eccentric shaft; 6, collar member; 61, first terminal member; 611, second terminal member A thin-diameter body; 612, a first thick-diameter body; 62, a second terminal piece; 621, a second thin-diameter body; 622, a second thick-diameter body; 7, an elastic piece; 8, a second locking block; 81, a locking groove; 811, a through groove; 812, a recessed groove; 9, a shielding mechanism; 91, a first hydraulic pressure machine; 911, a first cylinder; 912, a first piston rod; 92, a second hydraulic pressure machine; 921, a second cylinder; 922, a second piston rod; 93, a catheter; 10, a frequency element. DETAILED DESCRIPTION

[0051] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0052] In the description of the present application and its embodiments, it should be understood that the orientation or positional relationship indicated by the terms "top", "bottom", "height", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0053] In the present application and its embodiments, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0054] In the present application and its embodiments, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0055] See also Figures 1 to 7 As shown, an embodiment of the present application provides an electronic anti-theft device, comprising: a main shell 1, a first lock block 2, a controller 3, an electric drive mechanism 5 and a collar 6. The main shell 1 has an inner cavity and a first slot 11 connected to the inner cavity, the first lock block 2 can be slidably arranged in the inner cavity, the first lock block 2 has a locking hole 21 and an avoidance hole 22, and the locking hole 21 and the avoidance hole 22 are connected. The controller 3 is arranged in the inner cavity, the controller 3 is provided with a first electrical connection part 31 and a second electrical connection part 32, and the controller 3 is connected with an alarm device 4. The alarm device 4 can be any one or more of a speaker, a warning light and a buzzer. The electric drive mechanism 5 is arranged in the inner cavity, the electric drive mechanism 5 is connected to the first lock block 2 in a transmission manner to drive the first lock block 2 to move, the first terminal 61 and the second terminal 62 are respectively arranged at both ends of the collar 6, and the collar 6 can be a flexible structure that can be bent and deformed under the action of an external force. The first terminal 61 and the second terminal 62 are electrically connected, the second terminal 62 is connected to the main housing 1 and is electrically connected to the second electrical connection portion 32, and at least the inner structure of the collar 6 is a conductor, for example, at least the inner structure of the collar 6 is a steel wire rope, and the outer side may be covered with an insulating sleeve. The first terminal 61 and the second terminal 62 are electrically connected through a conductor.

[0056] The electronic anti-theft tag has an unlocked state and a locked state. In the unlocked state, the electric drive mechanism 5 drives the first lock block 2 to move so that the avoidance hole 22 is located on the straight line where the first slot 11 is located. At this time, the first terminal 61 can be easily inserted into or removed from the first slot 11. In the locked state, Figure 2As shown, the electric drive mechanism 5 drives the first locking block 2 to move to the locking hole 21 on the extension line of the first slot 11, and the first locking block 2 locks the first terminal piece 61, and the first terminal piece 61 is electrically connected to the first electrical connection part 31. The controller 3 includes a circuit board, and the first electrical connection part 31 and the second electrical connection part 32 are arranged on the circuit board. The collar 6 is a flexible structure, which can be worn on the goods to be protected. In the locked state, the circuit board and the collar 6 form a complete loop. When the collar 6 is cut off, the loop between the circuit board and the collar 6 is disconnected, which can trigger the alarm device 4 to alarm. When the collar 6 is damaged or maliciously pulled, resulting in the disconnection of the terminal piece at the end of the collar 6 and the electrical connection part on the circuit board, the alarm device 4 will also be triggered to alarm, so that the staff can be prompted in time.

[0057] In some possible embodiments, combined with Figure 5 and Figure 6 As shown, the first terminal member 61 includes a first thin diameter body 611 and two first thick diameter bodies 612, the two first thick diameter bodies 612 are respectively arranged at the two ends of the first thin diameter body 611, the inner diameter of the locking hole 21 is smaller than the inner diameter of the avoidance hole 22, the inner diameter of the locking hole 21 is smaller than the diameter of the first thick diameter body 612, the inner diameter of the avoidance hole 22 is larger than the diameter of the first thick diameter body 612, and in the unlocked state, the first thin diameter body 611 of the first terminal member 61 can pass through the avoidance hole 22. In the locked state, the first locking block 2 moves so that the first thin diameter body 611 passes through the locking hole 21, and the two first thick diameter bodies 612 are limited to the two sides of the first locking block 2. At this time, even if an external force is applied to the collar member 6, the first thick diameter body 612 at the end of the first terminal member 61 will not be separated from the first slot 11 because the diameter is larger than the locking hole 21.

[0058] The first electrical connection part 31 and the second electrical connection part 32 may be spring members. In the locked state, the first thick-diameter body 612 of the first terminal member 61 abuts against the spring member, the spring member is in an elastic deformation state, and the spring member and the first terminal member 61 maintain an electrical contact state. Similarly, the end of the second terminal member 62 abuts against the corresponding spring member, the spring member is in an elastic deformation state, and the spring member and the second terminal member 62 maintain an electrical contact state.

[0059] In some possible implementation schemes, the electric drive mechanism 5 includes a motor 51 and a transmission member 52, the motor 51 is electrically connected to the controller 3, the transmission member 52 and the first locking block 2 are transmission-coordinated, and the motor 51 and the transmission member 52 are transmission-connected to drive the first locking block 2 to move.

[0060] In the embodiment of the present application, the electric drive mechanism 5 uses a motor 51, and the transmission member 52 can act on the first lock block 2 by controlling the rotation of the motor 51, so that the first lock block 2 moves to adjust the position of the first lock block 2, so that the avoidance hole 22 of the first lock block 2 is located on the straight line where the first slot 11 is located, or the locking hole 21 of the first lock block 2 is located on the straight line where the first slot 11 is located, so as to control the electronic anti-theft tag to enter the unlocked state or the locked state. The electronic anti-theft device has a battery, and the battery is electrically connected to the circuit board.

[0061] The electronic anti-theft device is provided with a wireless receiving module, which is electrically connected to the controller 3 and is used to receive external signals to control the electric drive mechanism 5 to perform locking or unlocking actions. The wireless receiving module may be a frequency element 10 .

[0062] In some possible implementations, such as Figure 2 and Figure 6 As shown, the transmission member 52 has an eccentric shaft 521, and a matching groove 23 is set on the first locking block 2. The rotating shaft of the motor 51 is connected to the transmission member 52. The eccentric shaft 521 and the rotating shaft are located in different straight lines. The eccentric shaft 521 is inserted into the matching groove 23. The motor 51 rotates in a first direction to drive the first locking block 2 to move to the straight line where the avoidance hole 22 is located and the first slot 11 is located. The motor 51 rotates in a second direction to drive the first locking block 2 to move to the straight line where the locking hole 21 is located and the first slot 11 is located.

[0063] It should be noted that if Figure 3 As shown, a travel switch 33 can be provided on the electronic anti-theft device, and the travel switch 33 is electrically connected to the circuit board of the controller 3. A matching portion 24 is provided on the first lock block 2, and when the first lock block 2 moves to the straight line where the avoidance hole 22 or the locking hole 21 is located at the first slot 11, the matching portion 24 can trigger the travel switch 33, and at this time the controller 3 can control the motor 51 to stop rotating, so that the first lock block 2 stops moving and stabilizes in the unlocking position or the locking position.

[0064] In some possible implementations, such as Figure 2As shown, the electronic anti-theft device includes an elastic member 7, a main housing 1 having a second slot 12, a second locking block 8 having a locking groove 81, the elastic member 7 is arranged on the main housing 1, and the elastic member 7 abuts against the second locking block 8, and when the second terminal member 62 is plugged into the second slot 12, the second terminal member 62 is inserted into the locking groove 81, and the second locking block 8 locks the second terminal member 62. The elastic member 7 elastically abuts against the second locking block 8, so that one end of the second locking member abuts against the inner wall of the main housing 1 or a blocking structure on the inner wall, and this position is the locking position of the second locking block 8, and the second terminal member 62 will be locked on the second locking block 8, and will not be separated from the second locking block 8 under the action of external force.

[0065] In some possible embodiments, combined with Figure 2 , Figure 5 and Figure 6 As shown, the locking groove 81 includes a through groove 811 and a recessed groove 812 located on one side of the groove opening of the through groove 811, and the recessed groove 812 extends radially along the through groove 811. The second terminal piece 62 includes a second thin-diameter body 621 and two second thick-diameter bodies 622, and the two second thick-diameter bodies 622 are respectively arranged at both ends of the second thin-diameter body 621. In the process of inserting the second terminal piece 62 into the second slot 12, the second terminal piece 62 abuts against the inner wall of the recessed groove 812, so that the second locking block 8 moves to squeeze the elastic piece 7. When the second thick-diameter body 622 at the end extends out of the locking groove 81, the elastic piece 7 pushes the second locking block 8 to reset, so that the second thin-diameter body 621 passes through the through groove 811. Because the locking groove 81 is displaced, the two second thick-diameter bodies 622 are limited on both sides of the second locking block 8. At this time, under the action of external force, the second terminal piece 62 will not separate from the second locking block 8.

[0066] In some possible implementations, such as Figure 2 As shown, the elastic member 7 includes a torsion spring, a column is provided on the main housing 1, the torsion spring is sleeved on the column, the torsion spring has two torsion arms, one of the torsion arms abuts against the second locking block 8, so that the other end of the second locking block 8 tends to abut against the inner wall of the main housing 1, and the second locking block 8 is in a locked position. The other torsion arm of the torsion spring abuts against the inner wall of the main housing 1.

[0067] In some possible implementations, such as Figure 2As shown, an unlocking hole 13 is provided on the main housing 1, the unlocking hole 13 is connected to the inner cavity, the extension line of the unlocking hole 13 passes through the second locking block 8, and the unlocking hole 13 and the elastic member 7 are located on both sides of the second locking block 8 along the sliding direction. When it is necessary to unlock the second terminal, a professional tool can be used to insert the unlocking hole 13 and press against the second locking block 8. By applying an external force greater than the elastic member 7, the second locking block 8 can be moved to the side away from the unlocking hole 13, so that the second locking block 8 moves to the unlocking position. At this time, by applying an external force to the collar member 6, the second terminal member 62 can be smoothly separated from the second locking block 8.

[0068] In some possible implementations, in the locked state, as Figure 2 As shown, the first locking block 2 moves to the side of the second locking block 8 away from the unlocking hole 13 to restrict the second locking block 8 from moving toward the side away from the unlocking hole 13 .

[0069] A plurality of sub-cavities can be arranged in the inner cavity of the main shell 1, and the first locking block 2 and the second locking block 8 can be located in the same sub-cavity, and can only move back and forth in one direction under the limiting action of the sub-cavity. In the locked state, under the action of the elastic member 7, the second locking block 8 is in the locked position, and the first locking block 2 moves to the side of the second locking block 8 away from the unlocking hole 13, thereby limiting the second locking block 8 from moving to the unlocking position. Through this structural design, in the locked state, the first locking block locks the first terminal member 61, and at the same time, under the limiting action of the second locking block, the second locking block 8 locks the second terminal member 62. Neither end of the collar member 6 will be disengaged. When the second terminal member 62 needs to be unlocked, the frequency element 10 needs to control the motor 51 to rotate after receiving the authorized instruction, and adjust the first locking block 2 to move to the side away from the second locking block 8, leaving space for the second locking block 8 to move. At this time, under the action of professional tools, the second locking block 8 will move toward the first locking block 2 to the unlocking position, so that the second terminal piece 62 can be smoothly pulled out of the locking groove 81 of the second locking block 8.

[0070] like Figure 7 As shown, the electronic anti-theft device provided in the embodiment of the present application further includes a shielding mechanism 9, and the blocking mechanism and the first locking block 2 are in transmission cooperation, and are used to shield or avoid the unlocking hole 13 under the drive of the first locking block. Specifically, when the electronic anti-theft tag is in the unlocked state, the blocking mechanism avoids the unlocking hole 13, and a professional tool inserted into the unlocking hole 13 can abut against the second locking block 8. When the electronic anti-theft tag is in the locked state, the blocking mechanism shields the unlocking hole 13, and a professional tool inserted into the unlocking hole 13 will abut against the blocking mechanism without contacting the second locking block 8. The second locking block 8 cannot be moved to unlock.

[0071] The blocking mechanism includes a first hydraulic machine 91 and a second hydraulic machine 92. The first hydraulic machine 91 includes a first cylinder 911 and a first piston rod 912. The first piston is disposed at the end of the first piston rod 912, and the first piston is movably disposed in the first cylinder 911. The second hydraulic machine 92 includes a second cylinder 921 and a second piston rod 922. The second piston is disposed at the end of the second piston rod 922, and the second piston is movably disposed in the second cylinder 921. The first cylinder 911 and the second cylinder 921 are connected by a conduit 93. Liquid medium can be contained in both the first cylinder 911 and the second cylinder 921. One of the first cylinder 911 and the first piston rod is connected to the first locking block 2, and the other can be connected to the main housing 1. The second cylinder 921 of the second hydraulic machine 92 can be disposed on the main housing 1, and the second piston rod 922 of the second hydraulic machine 92 can extend in a direction perpendicular to the sliding direction of the second locking block 8. In the locked state, the first locking block 2 moves toward the side of the second locking block 8, and the first piston rod 912 moves with the first locking block 2 to compress the internal cavity of the first cylinder 911, so that the internal cavity of the first cylinder 911 shrinks, and the corresponding liquid moves to the second cylinder 921 through the conduit 93. The increase of liquid in the second cylinder 921 will push the second piston rod 922 out of the second cylinder 921 and move to between the second locking block 8 and the unlocking hole 13, thereby blocking the unlocking hole 13 and preventing professional tools from passing through the unlocking hole 13 and contacting the second locking block 8. When the electronic anti-theft tag switches to the unlocked state, the motor 51 drives the first lock block 2 to move away from the second lock block 8. At this time, the first piston rod 912 gradually extends out of the first cylinder 911, the liquid in the first cylinder 911 increases, and the liquid in the second cylinder 921 decreases, and the second piston rod 922 retracts to a space away from the unlocking hole 13 and the second lock block 8. At this time, with the help of professional tools, it can smoothly pass through the unlocking hole 13 and press against the second lock block 8, and the second lock block 8 can be pushed to the unlocked position.

[0072] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0073] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0074] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. An electronic anti-theft device, characterized in that: include: A main shell, the main shell having an inner cavity and a first slot communicating with the inner cavity; A first locking block, the first locking block is slidably disposed in the inner cavity, the first locking block has a locking hole and an avoidance hole, and the locking hole and the avoidance hole are communicated; A controller, the controller is arranged in the inner cavity, a first electrical connection portion and a second electrical connection portion are arranged on the controller, and the controller is connected to an alarm device; An electric drive mechanism, the electric drive mechanism is disposed in the inner cavity, and the electric drive mechanism is transmission-connected to the first locking block to drive the first locking block to move; A collar member, wherein two ends of the collar member are respectively provided with a first terminal member and a second terminal member, the first terminal member and the second terminal member are electrically connected, and the second terminal member is connected to the main housing and is electrically connected to the second electrical connection portion; The electronic anti-theft tag has an unlocked state and a locked state. In the unlocked state, the electric drive mechanism drives the first lock block to move so that the avoidance hole is located on the straight line where the first slot is located, and the first terminal piece can pass through the avoidance hole; In the locked state, the electric drive mechanism drives the first locking block to move to a position where the locking hole is located on an extension line of the first slot, and the first locking block locks the first terminal member, so that the first terminal member is electrically connected to the first electrical connection portion.

2. The electronic anti-theft device according to claim 1, characterized in that: The first terminal member includes a first thin-diameter body and two first thick-diameter bodies, and the two first thick-diameter bodies are respectively arranged at two ends of the first thin-diameter body; The inner diameter of the locking hole is smaller than the inner diameter of the avoiding hole, the inner diameter of the locking hole is smaller than the diameter of the first large diameter body, and the inner diameter of the avoiding hole is larger than the diameter of the first large diameter body; In the unlocked state, the first thin-diameter body of the first terminal piece can pass through the avoidance hole; In the locked state, the first locking block moves so that the first thin-diameter body passes through the locking hole, and the two first thick-diameter bodies are located on both sides of the first locking block.

3. The electronic anti-theft device according to claim 1, characterized in that: The electric drive mechanism includes a motor and a transmission member; The motor is electrically connected to the controller, and the transmission member and the first locking block are in transmission cooperation; The motor is in transmission connection with the transmission member to drive the first locking block to move.

4. The electronic anti-theft device according to claim 3, characterized in that: The transmission member has an eccentric shaft; A matching groove is provided on the first locking block; The rotating shaft of the motor is connected to the transmission member, the eccentric shaft and the rotating shaft are located in different straight lines, and the eccentric shaft is inserted into the matching groove; The motor can drive the first locking block to move until the avoidance hole is on the straight line where the first slot is located by rotating in a first direction, and can drive the first locking block to move until the locking hole is on the straight line where the first slot is located by rotating in a second direction.

5. The electronic anti-theft device according to claim 1, characterized in that: including an elastic member; The main shell has a second slot, The second locking block has a locking groove; The elastic member is disposed on the main housing, and the elastic member abuts against the second locking block; When the second terminal piece is inserted into the second insertion slot, the second terminal piece is inserted into the locking slot, and the second locking block locks the second terminal piece.

6. The electronic anti-theft device according to claim 5, characterized in that: The locking groove comprises a through groove and a recessed groove located at one side of the notch of the through groove, and the recessed groove extends along the radial direction of the through groove; The second terminal member includes a second thin diameter body and two second thick diameter bodies, and the two second thick diameter bodies are respectively arranged at two ends of the second thin diameter body; During the process of inserting the second terminal piece into the second slot, the second terminal piece presses against the inner wall of the recessed groove, so that the second locking block moves to squeeze the elastic piece. When one of the second thick-diameter bodies extends out of the locking groove, the elastic piece pushes the second locking block to reset, so that the two second thick-diameter bodies are limited on both sides of the second locking block.

7. The electronic anti-theft device according to claim 5, characterized in that: The elastic member includes a torsion spring, and a column is arranged on the main shell; The torsion spring is sleeved on the column, and the torsion spring has two torsion arms, one of the torsion arms abuts against the second locking block, and the other torsion arm abuts against the inner wall of the main shell.

8. The electronic anti-theft device according to claim 5, characterized in that: An unlocking hole is provided on the main shell, and the unlocking hole is connected to the inner cavity; An extension line of the unlocking hole passes through the second locking block; The unlocking hole and the elastic member are located on both sides of the second locking block along the sliding direction.

9. The electronic anti-theft device according to claim 8, characterized in that: In the locked state, the first locking block moves to a side of the second locking block away from the unlocking hole to restrict the second locking block from moving toward the side away from the unlocking hole.

10. The electronic anti-theft device according to any one of claims 1 to 9, characterized in that: Including frequency components; The frequency element is disposed in the inner cavity, and the frequency element is electrically connected to the controller.

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