CN113202359A

CN113202359A - NFC padlock

Info

Publication number: CN113202359A
Application number: CN202110665557.7A
Authority: CN
Inventors: 刘晋武; 马博; 熊奇; 黄建林; 谢小渭
Original assignee: Changyuan Contron Power Security Technology Co Ltd
Current assignee: Changyuan Contron Power Security Technology Co Ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-08-03

Abstract

The invention is suitable for the field of padlocks, and provides an NFC (near field communication) padlock which comprises a lock shell, a lock ring connected to the lock shell, a lock tongue used for locking the lock ring, a toggle member used for driving the lock tongue, an unlocking rotating shaft capable of being switched between a locking state and an unlocking state and used for driving the toggle member, an electric drive assembly capable of driving the unlocking rotating shaft to be switched to the unlocking state, an energy storage module connected to the electric drive assembly and an NFC assembly connected to the energy storage module, wherein the lock ring, the lock tongue, the toggle member, the unlocking rotating shaft, the electric drive assembly and the energy storage module are all arranged in the lock shell, and the unlocking rotating shaft is provided with an anti-knocking catch column for limiting the toggle member to move towards an unlocking direction in the locking state. The NFC padlock provided by the invention not only can realize electronic unlocking and mechanical unlocking, but also can meet the requirements of small driving resistance, reliable reset, water resistance and dust resistance.

Description

NFC padlock

Technical Field

The invention belongs to the field of padlocks, and particularly relates to an NFC padlock.

Background

An NFC electronic padlock is a novel electronic lockset. In the prior art, the power in the NFC padlock is derived from NFC unlocking equipment, and due to the fact that the NFC power transmission and supply capacity is weak, under the condition, the passive padlock is reliable in unlocking function, and the unlocking mechanism is required to meet the requirements of small driving resistance and reliability in resetting. On the other hand, when the unlocking mechanism has small driving resistance, the spring elasticity of the unlocking mechanism is small, the problem of accidental unlocking by knocking is easy to occur, and the locking reliability is poor. Furthermore, NFC padlocks generally require a mechanically unlocking structure to be designed for backup unlocking to prevent electronic padlock unlocking failure. The padlock is used for outdoor use mostly, and structural design must satisfy waterproof dirt-proof requirement.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an NFC padlock which not only can realize electronic unlocking and mechanical unlocking, but also can meet the requirements of small driving resistance, reliable reset, water resistance, dust resistance, knocking resistance and accidental unlocking.

The technical scheme of the invention is as follows: an NFC padlock comprises a lock shell, a lock ring connected to the lock shell, a lock tongue used for locking the lock ring, a toggle piece used for driving the lock tongue, an unlocking rotating shaft capable of being switched between a locking state and an unlocking state and used for driving the toggle piece, an electric drive assembly capable of driving the unlocking rotating shaft to be switched to the unlocking state, an energy storage module connected to the electric drive assembly and an NFC assembly connected to the energy storage module, wherein the lock ring, the lock tongue, the toggle piece, the unlocking rotating shaft, the electric drive assembly and the energy storage module are all arranged in the lock shell, and the unlocking rotating shaft is provided with an anti-knocking catch which limits the toggle piece to move towards an unlocking direction in the locking state.

As a further improvement of the technical solution, two ends of the toggle piece are respectively connected to the unlocking end of the lock tongue and the driving end connected to the unlocking rotating shaft, the side surface of the unlocking rotating shaft is provided with an unlocking protrusion, and when the unlocking rotating shaft rotates, the unlocking protrusion extrudes the driving end and enables the unlocking end to move towards the unlocking direction.

As a further improvement of the technical scheme, two longitudinal grooves for inserting two ends of the lock ring are formed in the upper end of the lock housing, two transverse grooves are formed in the lock housing, two ends of each transverse groove are respectively communicated with the two longitudinal grooves and are used for installing the lock tongue, the lock ring is provided with two lock grooves, one end of each lock tongue is an insertion end capable of being inserted into the corresponding lock groove, an elastic piece is arranged between the two lock tongues, and two ends of each elastic piece respectively abut against the other ends of the two lock tongues.

As a further improvement of the technical scheme, a toggle piece support is arranged in the lock shell or integrally formed, the number of the toggle pieces is two, and the middle part of each toggle piece is connected with the toggle piece support through a rotating shaft.

As a further improvement of this technical scheme, the unblock pivot include the axis body and connect in the annular boss of axis body bottom, unblock bellying integrated into one piece in the periphery of axis body just is provided with two, and two unblock bellying are relative the axis symmetry of axis body sets up, the periphery of axis body is corresponding to two for being used for supplying between the unblock bellying the drive end is to the space that resets that the shutting direction resets, prevent knocking the bumping post connect in annular boss and with the space that resets is relative, when the unblock pivot rotated to the shutting state, the drive end got into the space that resets, prevent knocking the bumping post backstop in drive end periphery side.

As a further improvement of the technical scheme, a reset piece for resetting the unlocking rotating shaft is sleeved on the unlocking rotating shaft.

As a further improvement of the technical solution, the NFC padlock further includes a mechanical lock cylinder and an unlocking lever connected to the mechanical lock cylinder and capable of driving the unlocking rotation shaft.

As a further improvement of the technical solution, the electric drive assembly has a motor drive part electrically connected to the energy storage module, the NFC assembly includes an NFC housing and an NFC coil, the NFC housing and the NFC coil are disposed on an outer wall of the housing, the NFC coil is disposed in the NFC housing, and the NFC coil can supply power to the energy storage module to rotate the motor drive part;

the unlocking rotating shaft is provided with an unlocking boss, and the motor driving part can drive the unlocking boss to rotate.

As a further improvement of the present technical solution, the NFC padlock further includes a main PCB connected to the electrically driven component and a shackle PCB assembly for detecting whether the shackle is in a locked state or an unlocked state, the shackle PCB assembly being located below one end of the shackle.

As a further improvement of the technical solution, the NFC padlock further includes an induction element installed in the lock ring, and the lock ring PCB assembly includes a lock ring PCB perpendicular to the main PCB and a detection element disposed on the lock ring PCB.

According to the NFC padlock provided by the invention, the anti-knocking blocking column is arranged, so that the problem of unlocking caused by accidental knocking of the NFC padlock can be avoided, the locking is reliable, and the safety is good; the NFC padlock can realize electronic unlocking and mechanical unlocking, and can meet the requirements of small driving resistance, reliable resetting, water resistance and dust resistance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective assembly view of an NFC padlock according to an embodiment of the present invention;

fig. 2 is a side view of an NFC padlock according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic exploded perspective view of an NFC padlock according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an unlocking spindle in an NFC padlock according to an embodiment of the present invention;

fig. 6 is a front view of an NFC padlock according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view taken along line B-B in fig. 6.

Reference numbers in the figures:

1-lock ring, 101-lock groove; 2-the lock shell comprises a 21-lock shell and a 22-lock body; 211-longitudinal grooves, 212-transverse grooves; 3-a bolt; 4-toggle piece, 41-unlocking end, 42-driving end; 5-unlocking a rotating shaft, 51-unlocking a convex part, 52-a shaft body, 53-an annular boss, 54-a reset space, 55-an anti-knocking catch post and 56-an unlocking boss; 6-electric drive assembly, 61-motor drive; 7-a toggle support; 8-a rotating shaft; 9-a reset piece; 10-a sensing member; 11-a detection member; 12-lock ring PCB board; 13-a mechanical lock cylinder; 14-an unlocking lever; 15-an NFC component; 16-an elastic member; 17-an energy storage module; 18-a locking ring spring; 19-a seal; 20-dust cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the structure, feature, device or element referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the embodiments may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and in order to avoid unnecessary repetition, various possible combinations of features/embodiments in the present invention will not be described in detail.

As shown in fig. 1 to 4, an NFC padlock according to an embodiment of the present invention includes a lock housing 2, a shackle 1 connected to the lock housing 2, a locking tongue 3 for locking the shackle 1, a toggle member 4 for driving the locking tongue 3, an unlocking rotating shaft 5 switchable between a locked state and an unlocked state and for driving the toggle member 4, an electrically driven assembly 6 for driving the unlocking rotating shaft 5 to switch to an unlocked state, an energy storage module 17 connected to the electrically driven assembly 6, and an NFC assembly 15 connected to the energy storage module 17, wherein the shackle 1, the locking tongue 3, the toggle member 4, the unlocking rotating shaft 5, the electrically driven assembly 6, and the energy storage module 17 are disposed in the lock housing 2, the unlocking rotating shaft 5 is provided with an anti-knock blocking pillar 55 (shown in fig. 5) for limiting the movement of the toggle member 4 to an unlocking direction in the locked state, when the unlocking rotary shaft 5 is rotated by the set angle to the unlocking state, the anti-knocking stopper 55 is rotated by the set angle (33 degrees in this embodiment), so that the dial 4 is not restricted, and the dial 4 can move in the unlocking direction. According to the NFC padlock provided by the invention, the unlocking rotating shaft 5 is provided with the anti-knocking blocking column 55, the problem of unlocking caused by accidental knocking of the NFC padlock can be avoided, the locking is reliable, the safety is good, the electronic unlocking can be realized by the arranged electric drive assembly 6, and the unlocking rotating shaft 5 is used as a component part of an unlocking mechanism, so that the NFC padlock has the advantages of small driving resistance, reliable unlocking and the like.

Further, the two ends of the toggle piece 4 are respectively connected to the unlocking end 41 of the lock tongue 3 and the driving end 42 connected to the unlocking rotating shaft 5, the side surface of the unlocking rotating shaft 5 is provided with an unlocking protrusion 51, and when the unlocking rotating shaft 5 rotates, the unlocking protrusion 51 presses the driving end 42 and enables the unlocking end 41 to move towards the unlocking direction in the locking state of the NFC padlock. In the embodiment of the present invention, the driving end 42 and the unlocking end 41 may be connected to two sides of the rotating shaft 8, and an included angle between the driving end 42 and the unlocking end 41 may be an obtuse angle or a straight angle; the unlocking protrusion 51 is an arc-shaped protrusion arranged on the outer peripheral side of the unlocking rotating shaft 5, the arc surface of the unlocking protrusion 51 can press the driving end 42 and enable the unlocking end 41 to move towards the unlocking direction, the driving resistance is small, and the unlocking is reliable; in other embodiments, the unlocking protrusion 51 may also be an inclined surface or a curved surface disposed on the outer periphery of the unlocking rotating shaft 5, and may also effectively press the driving end 42 and move the unlocking end 41 in the unlocking direction.

Furthermore, the upper end of the lock housing 2 is provided with two longitudinal grooves 211 for inserting two ends of the lock ring 1, the lock housing 2 is provided with a transverse groove 212 for installing the lock tongue 3, two ends of the transverse groove 212 are respectively communicated with the two longitudinal grooves 211, the lock ring 1 is provided with two end portions capable of being respectively inserted into the two longitudinal grooves 211, the opposite sides of the two end portions are respectively provided with a lock groove 101, one end of the lock tongue 3 is an insertion end capable of being inserted into the lock groove 101, the lock tongue 3 is provided with two lock tongues 3, an elastic part 16 is arranged between the two lock tongues 3, and two ends of the elastic part 16 respectively abut against the other ends of the two lock tongues 3. In one embodiment provided by the invention, a lock ring elastic element 18 is further arranged at one end of the lock ring 1, when unlocking is performed, the unlocking convex part 51 presses the driving end 42, the unlocking ends 41 of the two lock tongues 3 press the elastic element 16, the lock tongue 3 close to one side of the lock groove 101 slides in the direction of compressing the elastic element 16, so that one end of the lock tongue 3 exits from the lock groove 101, the lock ring 1 is upwards ejected under the action of the lock ring elastic element 18, and unlocking is reliable; the lock case 2 in this embodiment includes a lock case 21 and a lock body 22, and the transverse slot 212 and the longitudinal slot 211 are both disposed in the lock case 21.

Furthermore, a toggle support 7 is arranged in the lock shell 2 or integrally formed, two toggle pieces 4 are arranged, and the middle of each toggle piece 4 is connected to the toggle support 7 through a rotating shaft 8. In an embodiment of the present invention, a transverse groove is formed at an upper end of the toggle member support 7 for mounting the bolt 3 and the elastic member 16, the toggle member support 7 is disposed in the lock housing 2 and inserted into the transverse groove 22, and the NFC padlock has a more stable structure and is convenient to assemble.

Further, as shown in fig. 3 to 5, the unlocking rotation shaft 5 includes a shaft body 52 and an annular boss 53 connected to the bottom of the shaft body 52, the unlocking protrusions 51 are integrally formed on the periphery of the shaft body 52 and are provided with two unlocking protrusions 51, the two unlocking protrusions 51 are symmetrically arranged relative to the axis of the shaft body 52, namely, two unlocking protrusions 51 are arranged along the circumferential direction of the shaft body 52 at an interval of 180 degrees, the outer circumference of the shaft body 52 corresponds to a reset space 54 between the two unlocking protrusions 51 for resetting the driving end 42 to the locking direction, the knock-prevention bar 55 is connected to the annular boss 53 and opposite to the restoring space 54, when the unlocking rotating shaft 5 rotates to the locking state, the driving end 42 enters the reset space 54, and at this time, the knock-prevention bar 55 is stopped at the outer peripheral side of the driving end 42, so that the toggle 4 is reliably limited. The interval between the knock-prevention fence 55 and the unlock projection 51 is 90 degrees in the circumferential direction of the shaft body 52. In an embodiment of the invention, the anti-knocking catch 55 has a resisting inclined surface, the reset space 54 is an unlocking inclined surface arranged on the periphery of the shaft body 52 corresponding to the space between the two unlocking protrusions 51, the driving end 42 has a spherical surface, and when unlocking is performed, the spherical surface slides along the unlocking inclined surface to the locking direction, so that the driving resistance is small, and the unlocking is smooth and is not jammed; the anti-knocking catch 55 has a resisting inclined surface, the toggle member 4 has a side surface capable of resisting against the resisting inclined surface, and when the lock body is locked, the lock tongue 3 cannot retract in the unlocking direction due to the limiting effect of the resisting inclined surface when the lock body is knocked, so that unlocking caused by accidental knocking can be effectively prevented, and locking is more reliable.

Further, with reference to fig. 3, the unlocking rotating shaft 5 is sleeved with a reset piece 9 for resetting the unlocking rotating shaft 5. As an optional embodiment, the reset member 9 is a torsion spring, the unlocking rotating shaft 5 is rotated and reset under the action of the torsion spring, and the reset is reliable; the periphery of the shaft body 52 of the unlocking rotating shaft 5 is provided with a clamping hook groove, the tail end of the torsion spring is provided with a clamping hook portion, the clamping hook portion can stretch into the clamping hook groove to hook the inner side of the shaft body 52 so as to prevent the torsion spring from moving, and connection is reliable.

Further, the NFC padlock further includes a mechanical lock cylinder 13 disposed in the lock housing 2, and an unlocking rod 14 connected to the mechanical lock cylinder 13 and capable of driving the unlocking rotation shaft 5. In the embodiment provided by the invention, the bottom surface of the unlocking rotating shaft 5 is provided with an arc-shaped groove for the unlocking rod 14 to rotate, the top of the mechanical lock cylinder 13 is provided with an eccentric blind hole, and two ends of the unlocking rod 14 respectively extend into the arc-shaped groove and the eccentric blind hole; the NFC padlock is provided with a mechanical lock cylinder 13 structure which can be used for mechanical unlocking and can be used for standby unlocking when electronic unlocking of the padlock fails; the bottom of the mechanical lock core 13 is provided with a dustproof cover 20 and a sealing piece 19, so that the mechanical lock core can be dustproof and waterproof and is suitable for outdoor use.

Further, as shown in fig. 6 and 7, the electric driving component 6 is a dc gear motor, an output shaft of the dc gear motor is connected with a motor driving part 61 electrically connected with the energy storage module 17, the NFC component includes an NFC outer shell and an NFC coil, the NFC outer shell is disposed on an outer wall of the housing, the NFC coil is disposed in the NFC outer shell, and the NFC coil can supply power to the energy storage module 17 to rotate the motor driving part 61; the unlocking rotating shaft 5 is provided with an unlocking boss 56, and the motor driving part 61 can drive the unlocking boss 56 to rotate. Specifically, the side surface of the unlocking rotating shaft 5 is provided with an unlocking boss 56, and the motor driving part 61 can push the unlocking boss 56 to rotate, so that the unlocking rotating shaft 5 rotates to drive the driving end 42 to slide along the unlocking inclined surface, and further, one end of the lock tongue 3 can exit from the lock groove 101. The NFC component 15 includes an NFC shell and an NFC coil disposed on the outer wall of the housing, the NFC coil is disposed in the NFC shell, and the NFC coil may supply power to the energy storage module 17, so that the dc gear motor drives the motor driving portion 61 to rotate. In the embodiment provided by the present invention, the energy storage module 17 is an energy storage capacitor (super capacitor), and may be other energy storage units, as long as it is sufficient to provide enough electric energy for the NFC padlock to unlock.

Further, the NFC padlock further comprises a main PCB connected to the electrically driven component 6 and a shackle PCB assembly for detecting whether the shackle 1 is in a locked state or an unlocked state, the shackle PCB assembly being located below one end of the shackle 1; the NFC padlock further comprises an induction part 10 installed on the lock ring 1, and the lock ring PCB assembly comprises a lock ring PCB 12 and a detection part 11, wherein the lock ring PCB is perpendicular to the main PCB, and the detection part 11 is arranged on the lock ring PCB. Specifically, in this embodiment, the sensing part 10 is a magnetic element, and the detecting part 11 is a hall element, and may be configured to detect whether the magnetic element is far away from or close to the magnetic element, so as to sense whether the lock ring 1 is ejected, that is, to obtain whether the NFC padlock is in the unlock state or the lock state.

The locking process of the NFC padlock in the embodiment provided by the invention comprises the following steps: when the NFC padlock is in an unlocking state, the lock ring 1 is in a popping state; at the moment, the lock ring 1 is pressed, and because the upper edge of the end part of the lock tongue 3 is provided with an inclined surface, when the lock ring 1 moves downwards, the lock ring is pressed on the inclined surface of the lock tongue 3 to enable the lock tongue 3 to retract inwards; when the lock ring 1 is pressed to the bottom, the bolt 3 is ejected out under the action of the elastic element, namely the bolt 3 slides towards the locking direction until one end of the bolt 3 is clamped in the lock groove 101, and in addition, the unlocking rotating shaft 5 rotates and resets under the action of the torsional spring force to complete the locking operation.

The unlocking process of the NFC padlock in the embodiment provided by the invention comprises the following steps: electronic unlocking equipment such as a mobile phone with an NFC function is close to an NFC antenna shell, an NFC coil of the electronic unlocking equipment such as the mobile phone is induced to be powered with an NFC coil of an electronic padlock, after circuit identification and software judgment are carried out, the NFC coil of the mobile phone or the electronic unlocking equipment supplies power to the NFC coil in the lock in an induction mode, electric quantity is stored in an energy storage capacitor through a circuit board, the energy storage capacitor supplies power to an electric drive assembly 6 after being full of electricity, the electric drive assembly 6 drives a motor drive part 61 to stir an unlocking rotating shaft 5 to enable the unlocking rotating shaft 5 to rotate for a certain angle, an unlocking bulge part 51 extrudes a spherical surface of a drive end 42 when the unlocking rotating shaft 5 rotates to enable a stirring part 4 to rotate, an unlocking end 41 drives a lock tongue 3 to retract, the lock ring 1 is not clamped in a lock groove 101 by the lock tongue 3, and the lock ring 1 is popped upwards under the action of a lock ring elastic part 18, so that unlocking operation is achieved.

After unlocking, the lock ring 1 is popped up, the lock ring 1 detects the inductive change of the Hall element of the PCB and can judge that the NFC padlock is unlocked, and the main PCB controls the motor to stop rotating to complete unlocking.

According to the NFC padlock provided by the embodiment of the invention, electronic unlocking can be realized by arranging the electric drive assembly 6, and the unlocking mechanism is provided with the unlocking rotating shaft 5, so that the driving resistance is small, and the unlocking is reliable; the NFC padlock is provided with a mechanical lock cylinder 13 structure which can be used for mechanical unlocking and standby unlocking when the electronic unlocking of the padlock fails, so that damage to a lock body caused by lock picking is avoided; and the unlocking rotating shaft 5 is provided with the anti-knocking blocking column 55, so that unlocking caused by accidental knocking of the NFC padlock can be avoided, locking is reliable, safety is good, installation is convenient, water and dust can be prevented, and durability is good.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The NFC padlock is characterized by comprising a lock shell, a lock ring connected to the lock shell, a lock tongue used for locking the lock ring, a toggle piece used for driving the lock tongue, an unlocking rotating shaft capable of being switched between a locking state and an unlocking state and used for driving the toggle piece, an electric drive assembly capable of driving the unlocking rotating shaft to be switched to the unlocking state, an energy storage module connected to the electric drive assembly and an NFC assembly connected to the energy storage module, wherein the lock ring, the lock tongue, the toggle piece, the unlocking rotating shaft, the electric drive assembly and the energy storage module are all arranged in the lock shell, and the unlocking rotating shaft is provided with an anti-knocking catch column which limits the toggle piece to move towards an unlocking direction in the locking state.

2. The NFC padlock of claim 1, wherein two ends of the toggle member are respectively connected to an unlocking end of the lock tongue and a driving end connected to the unlocking rotating shaft, and an unlocking protrusion is provided on a side surface of the unlocking rotating shaft, and when the unlocking rotating shaft rotates, the unlocking protrusion presses the driving end and enables the unlocking end to move in an unlocking direction.

3. The NFC padlock according to claim 2, wherein the upper end of the lock housing is provided with two longitudinal grooves for inserting two ends of the locking ring, the lock housing is provided with a transverse groove which is communicated with the two longitudinal grooves at two ends respectively and is used for installing the locking tongues, the locking ring is provided with a locking groove, one end of each locking tongue is an insertion end which can be inserted into the locking groove, the two locking tongues are arranged, an elastic piece is arranged between the two locking tongues, and two ends of each elastic piece respectively abut against the other ends of the two locking tongues.

4. An NFC padlock according to claim 3, wherein two toggle supports are provided or integrally formed in the lock housing, and a central portion of each toggle is connected to the toggle supports via a pivot.

5. The NFC padlock according to claim 2, wherein the unlocking rotating shaft comprises a shaft body and two annular bosses connected to the bottom of the shaft body, the unlocking protrusions are integrally formed on the outer periphery of the shaft body, the two unlocking protrusions are symmetrically arranged relative to the axis of the shaft body, a reset space for resetting the driving end to the locking direction is formed between the two unlocking protrusions on the outer periphery of the shaft body, the knocking preventing blocking column is connected to the annular bosses and opposite to the reset space, when the unlocking rotating shaft rotates to the locking state, the driving end enters the reset space, and the knocking preventing blocking column blocks the driving end on the outer periphery side.

6. An NFC padlock according to any one of claims 1 to 5, wherein the sleeve of the unlocking spindle is provided with a reset for resetting the unlocking spindle.

7. The NFC padlock of any one of claims 1-5, further comprising a mechanical lock cylinder disposed within the lock housing and an unlocking lever coupled to the mechanical lock cylinder and operable to actuate the unlocking spindle.

8. The NFC padlock of any one of claims 1 to 5, wherein the electric drive assembly has a motor drive electrically connected to the energy storage module, the NFC assembly including an NFC housing disposed on an outer wall of the housing and an NFC coil disposed within the NFC housing, the NFC coil operable to power the energy storage module to rotate the motor drive;

9. The NFC padlock of claim 8, further comprising a main PCB board connected to the electrically driven component and a shackle PCB assembly for detecting whether the shackle is in a locked state or an unlocked state, the shackle PCB assembly being positioned below an end of the shackle.

10. The NFC padlock of claim 9, further comprising an inductive member mounted within the shackle, the shackle PCB assembly comprising a shackle PCB disposed perpendicular to the main PCB, a sensing member disposed on the shackle PCB.