CN216862365U

CN216862365U - Passive lock body structure and box based on NFC

Info

Publication number: CN216862365U
Application number: CN202122372704.XU
Authority: CN
Inventors: 李新坤; 易刚
Original assignee: Langfang Qinfeng Technology Co ltd
Current assignee: Langfang Qinfeng Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-07-01
Anticipated expiration: 2031-09-28

Abstract

The application discloses a passive lock body structure based on NFC, which comprises a first lock body component and a second lock body component which are separated; the first lock body component is provided with a first lock body of a first installation plane; the first installation plane is provided with an NFC module, a temporary energy storage unit powered by the NFC module during communication, an iron core fixed on the first lock body in a sliding mode, a coil wound outside the iron core and a lock cylinder arranged with the iron core along a first direction; the second lock body is provided with an edge lock groove; the lock groove is provided with an opening in the extending direction and is arranged corresponding to the lock core; when the lock core is inserted into the lock slot, the first lock body component and the second lock body component are locked. This application fuses mutually through the structure with the structure of solenoid valve and lock body for "the piston" of solenoid valve is as the "lock core" of lock body, sets up the sheetmetal through the terminal surface at the lock core, makes the lock core can directly move along with the last electricity of iron core, realizes the unblock action, has simplified the structure of lock body, has practiced thrift the volume of passive NFC lock.

Description

Passive lock body structure and box based on NFC

Technical Field

The present disclosure relates generally to the field of lockset and packaging technology, and more particularly to a passive lock structure and a box based on NFC.

Background

The passive electronic lock is an intelligent electronic lock without a battery and powered by other modes, and for example, the publication number "CN 110533803A" discloses a passive intelligent electronic lock which utilizes NFC technology communication and utilizes the electromagnetic field energy collection of NFC to get electricity; the lock body disclosed by the lock does not need a battery or an external power supply interface, and is a passive electronic lock scheme; on the touching mode of unblanking basis in realizing the NFC application, remove battery and power supply maintenance cost from, increase tool to lock life and reliability and convenience.

However, in the above technical solutions, the motor or the solenoid valve is used, and for the solution of the solenoid valve, because the solenoid valve is used as a complete device, and the piston of the solenoid valve is used as a power source of the lock body, the structure of the lock body needs to be matched with the existing structure of the solenoid valve, the design is limited, the path design in the solenoid valve itself makes the structure of the solenoid valve very large when the solenoid valve is used as the power source of the lock body, and the path design is an invalid structure in the lock body solution, which causes waste.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a NFC-based passive lock body structure including first and second separate lock body assemblies;

the first lock body assembly comprises a first lock body having a first mounting plane; the first installation plane is provided with an NFC module, a temporary energy storage unit powered by the NFC module during communication, an iron core fixed on the first lock body in a sliding mode, a coil wound outside the iron core and a lock cylinder arranged with the iron core along a first direction; the coil is provided with an instantaneous power supply by the temporary energy storage unit to electrify the iron core; the lock cylinder can slide along the first direction, and a metal sheet is arranged on the end face adjacent to the iron core;

the second lock body assembly comprises a second lock body; the second lock body is provided with a second mounting plane; the second lock body is provided with a lock groove extending along a second direction, and the second direction is perpendicular to the second mounting plane; the lock groove is provided with an opening in the extending direction and is arranged corresponding to the lock cylinder; and when the lock cylinder is inserted into the lock slot, the first lock body assembly and the second lock body assembly are locked.

According to the technical scheme provided by the embodiment of the application, the temporary energy storage unit is a charging capacitor.

According to the technical scheme provided by the embodiment of the application, the lock cylinder is made of hollow plastic, and the metal sheet is fixed on the lock cylinder in a gluing or welding mode.

According to the technical scheme provided by the embodiment of the application, the second lock body is provided with a reset assembly; the reset assembly comprises wedge-shaped blocks arranged on two sides of the lock groove, and an extending part which is contacted with the wedge-shaped blocks is arranged at the end part of the lock cylinder adjacent to the iron core; the thickness of the wedge-shaped block is gradually thickened along a first direction, and the first direction is parallel to the second installation plane.

According to the technical scheme provided by the embodiment of the application, the first lock body or the second lock body is provided with the RFID tag.

In a second aspect, the present application provides a case having a case body 3 and a lid rotatably fixed to the case body;

the flip cover is provided with the first lock body component, and a first installation plane of the first lock body is parallel to the surface of the flip cover;

the box body is provided with a lock side wall, and the lock side wall is arranged corresponding to the end part of the turnover cover; the lock side wall is provided with the second lock body assembly, and a second installation plane of the second lock body is parallel to the lock side wall.

This application fuses mutually through the structure with the structure of solenoid valve and lock body for "the piston" of solenoid valve is as the "lock core" of lock body, sets up the sheetmetal through the terminal surface at the lock core, makes the lock core can directly move along with the last electricity of iron core, realizes the unblock action of first lock body subassembly and second lock body subassembly, has simplified the structure of lock body, has practiced thrift the volume of passive NFC lock.

According to the technical scheme provided by the embodiment of the application, the lock cylinder is made of hollow plastic, and the metal sheet is fixed on the lock cylinder in a gluing or welding mode, so that the light lock cylinder is realized, and the quick unlocking during the power-on of NFC can be realized.

According to the technical scheme that this application embodiment provides, through set up on the second lock body the wedge of locked groove both sides, the lock core with the tip that the iron core is adjacent be equipped with the extension of wedge contact for when this scheme is used for the lock of box, realized that the upper cover locks promptly, ensured the safety of article in the box.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a box applied in embodiment 1 of the present application, and is also a schematic structural diagram of embodiment 2 of the present application;

fig. 2 is a schematic structural view of a first lock body assembly in embodiment 1;

FIG. 3 is a schematic diagram of a locking structure in embodiment 1;

FIG. 4 is a schematic view of the unlocking structure in embodiment 1;

fig. 5 is a schematic structural diagram of a case applied to embodiment 1.

Reference numbers in the figures:

10. a first lock body; 17. a first mounting plane; an NFC module; 12. a temporary energy storage unit; 13. an iron core; 14. a coil; 15. a lock cylinder; 16. a metal sheet; 21. locking the groove; 23. a second mounting plane; 13-1. a second limit ring; 15-1, a first limit ring; 22. a wedge block; 30. a tank body; 40. a cover is turned; 31. a lock side wall.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

The lock body structure provided by the embodiment comprises a first lock body component and a second lock body component which are separated, wherein as shown in figure 1, the first lock body component is arranged on a flip cover of a box body in use, and the second lock body component is arranged on the side wall of the box body;

as shown in fig. 2, the first lock body assembly includes a first lock body 10 having a first mounting plane 17; the first installation plane 17 is provided with an NFC module 11, a temporary energy storage unit 12 powered by the NFC module 11 during communication, an iron core 13 slidably fixed on the first lock body, a coil 14 wound outside the iron core 13, and a lock cylinder 15 arranged in a first direction with the iron core 13; the coil 14 is provided with an instant power supply by the temporary energy storage unit 12 to electrify the iron core 13; the lock core 15 can slide along the first direction, and a metal sheet 16 is arranged on the end face adjacent to the iron core 13;

the second lock body assembly includes a second lock body 20; the second lock body has a second mounting plane 23; the second lock body 20 is provided with a lock slot 21 extending along a second direction, and the second direction is perpendicular to the second mounting plane 23; the lock slot 21 is provided with an opening in the extending direction and is arranged corresponding to the lock cylinder 15; when the key cylinder 15 is inserted into the key slot 21, the first lock body component and the second lock body component are locked.

Wherein, the first mounting plane 17 is also provided with a first spacing ring 15-1 sleeved outside the lock core 15 and a second spacing ring 13-1 sleeved outside the iron core 13; the first limiting ring 15-1 and the second limiting ring 13-1 can limit the axial movement of the lock cylinder and the iron core; it is preferable that the number of the first and second retainer rings 15-1 and 13-1 is plural. Evenly distributed along the first direction.

The NFC module 11 includes an NFC antenna provided on a surface of the first lock member; the NFC antenna comprises a coil wound by a metal wire or made of a Flexible Printed Circuit (FPC), a magnetic material attached below the coil and a protective cover plate covering the coil, wherein the coil is connected with the circuit board through a circuit; the temporary energy storage unit can be arranged on a circuit board of the NFC module, and the circuit board is provided with a control unit, an NFC data communication unit and a temporary energy storage unit.

In this embodiment, the temporary energy storage unit 12 is a charging capacitor.

The lock body in this embodiment is applicable to and uses with the upper end equipment cooperation that has the NFC function, and upper end equipment contains relevant application APP software of installation in smart mobile phone, PDA etc. and, and NFC and tool to lock communication in the upper end equipment that has the NFC function can be called according to user operation to APP software when user switch locks, need press close to the NFC antenna region of tool to lock with the NFC antenna region of the upper end equipment that has the NFC function when locking the communication.

Need provide the password of lock body when the NFC module communication of upper end equipment and tool to lock, the control unit on the NFC reads and just starts charging to interim energy storage unit when this password matches rather than the password of storage, and then realizes the magnetization to the iron core through discharging of interim energy storage unit.

Preferably, in this embodiment, the lock cylinder 15 is made of hollow plastic, and the metal sheet 16 is fixed to the lock cylinder 15 by gluing or welding. The hollow plastic structure and the metal sheet are matched for use, so that the lock cylinder is lightened, and can be quickly pulled to unlock when the temporary energy storage unit discharges, and quick unlocking is realized. Wherein the metal sheet may be an iron sheet.

As shown in fig. 3, the lock body is in a locked state, at this time, the coil is not powered, the iron core 13 is not powered, and the lock cylinder 15 is inserted into the lock slot 21. When a user unlocks through the NFC module, as shown in fig. 4, the coil is charged, the iron core 13 is magnetized, and the lock cylinder 15 is attracted to one end close to the iron core 13 by the iron core 13 due to the fact that the end portion of the lock cylinder is fixed with the metal sheet, so that the lock cylinder is separated from the lock groove 21, and the unlocking is achieved.

Preferably, as shown in fig. 5, in the present embodiment, a reset component is provided on the second lock body 20; the reset assembly comprises wedge blocks 22 arranged at two sides of the lock slot 21, and an extending part contacted with the wedge blocks 22 is arranged at the end part of the lock core 15 adjacent to the iron core 14; the wedge block 22 becomes thicker in thickness in a first direction parallel to the second mounting plane.

When the flip cover 40 is covered, the lock cylinder 15 moves downwards along with the flip cover 40 of the box body, and the extending part of the lock cylinder 15 enables the whole lock cylinder to move towards the direction of the lock groove 21 under the extrusion of the wedge-shaped block 22, so that when the flip cover is covered, the lock cylinder is automatically inserted into the lock groove 21 to be locked.

In this embodiment, the first lock body 10 is preferably provided with an RFID tag 18. RFID tags are used to store information about items that are locked. In other embodiments, an RFID tag may also be provided on the second lock body 20.

Example 2

As shown in fig. 1, the present embodiment provides a cabinet having a cabinet body 30 and a lid 40 rotatably fixed to the cabinet body 30;

the flip cover 40 is provided with the first lock body assembly described in embodiment 1, and the first installation plane 17 of the first lock body 10 is parallel to the surface of the flip cover 40;

the box body 30 is provided with a lock side wall 31, and the lock side wall 31 is arranged corresponding to the end part of the turnover cover 40; the lock side wall 31 is installed with the second lock body assembly of embodiment 1, and the second installation plane 23 of the second lock body 20 is parallel to the lock side wall 31.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An NFC-based passive lock body structure comprising first and second separate lock body components;

the first lock body assembly comprises a first lock body (10) having a first mounting plane (17); the NFC lock comprises a first installation plane (17), wherein an NFC module (11), a temporary energy storage unit (12) powered by the NFC module (11) during communication, an iron core (13) fixed on a first lock body in a sliding mode, a coil (14) wound outside the iron core (13) and a lock cylinder (15) arranged with the iron core (13) along a first direction are installed on the first installation plane (17); the coil (14) is provided with an instantaneous power supply by the temporary energy storage unit (12) to electrify the iron core (13); the lock cylinder (15) can slide along the first direction, and a metal sheet (16) is arranged on the end face adjacent to the iron core (13);

the second lock body assembly includes a second lock body (20); the second lock body has a second mounting plane (23); the second lock body (20) is provided with a lock groove (21) extending along a second direction, and the second direction is perpendicular to the second mounting plane (23); the lock groove (21) is provided with an opening in the extending direction and is arranged corresponding to the lock cylinder (15); the first lock body component and the second lock body component are locked when the lock cylinder (15) is inserted into the lock groove (21).

2. An NFC-based passive lock body structure according to claim 1, characterised in that the temporary energy storage unit (12) is a charging capacitor.

3. An NFC-based passive lock body structure according to claim 1 characterized in that said lock cylinder (15) is made of hollow plastic and said metal sheet (16) is fixed to said lock cylinder (15) by gluing or welding.

4. An NFC-based passive lock body structure according to claim 1 characterised in that a reset assembly is provided on the second lock body (20); the reset assembly comprises wedge blocks (22) arranged on two sides of the lock groove (21), and an extending part contacting with the wedge blocks (22) is arranged at the end part of the lock cylinder (15) adjacent to the iron core (13); the wedge block (22) becomes thicker gradually along a first direction, and the first direction is parallel to the second installation plane.

5. An NFC-based passive lock body structure according to claim 1 characterized in that an RFID tag (18) is mounted on the first (10) or second (20) lock body.

6. A housing, characterized in that the housing is provided with a passive lock body structure according to any one of claims 1 to 5; the box body is provided with a box body (30) and a turnover cover (40) which is rotatably fixed on the box body (30);

the flip cover (40) is provided with the first lock body component, and a first installation plane (17) of the first lock body (10) is parallel to the surface of the flip cover (40);

the box body (30) is provided with a lock side wall (31), and the lock side wall (31) is arranged corresponding to the end part of the turnover cover (40); the second lock body assembly is mounted on the lock side wall (31), and the second mounting plane (23) of the second lock body (20) is parallel to the lock side wall (31).