CN107905637B

CN107905637B - Electronic padlock

Info

Publication number: CN107905637B
Application number: CN201711046570.4A
Authority: CN
Inventors: 常青; 周子敬; 刘仙; 姜衡
Original assignee: Zhuhai Unitech Power Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2023-03-07
Anticipated expiration: 2037-10-31
Also published as: CN107905637A

Abstract

The invention provides an electronic padlock, which comprises a lock body, a shackle, a locking part and a driving mechanism, wherein the first end of the shackle is pivotally arranged in the lock body, the second end or two ends of the shackle can be locked in the lock body through the locking part, and the driving mechanism is provided with: the lock comprises a locking slide block and two driving elements, wherein the locking slide block slides in the lock body, and the first end of the locking slide block is abutted against the locking part; the driving element is provided with locking ends, the two locking ends are arranged along the same straight line and have a close state and a separated state, when the two locking ends are in the close state, the second end of the locking sliding block is abutted to the locking ends, the locking sliding block is located at a locking position, the locking part is locked with the locking hook, when the two locking ends are in the separated state, the second end of the locking sliding block can extend into a gap formed by the two locking ends, and the locking sliding block is located at an unlocking position, and the locking part is unlocked with the locking hook. The invention solves the problem that the electronic padlock in the prior art is easy to be subjected to inertial unlocking.

Description

Electronic padlock

Technical Field

The invention relates to the technical field of locks, in particular to an electronic padlock.

Background

The existing electronic lock has a structure of locking with a single solenoid or two solenoids, but is easy to be unlocked by inertia when being shaken by external force or knocked by the external force.

Disclosure of Invention

The invention mainly aims to provide an electronic padlock to solve the problem that inertial unlocking is easy to happen to the electronic padlock in the prior art.

In order to achieve the above object, the present invention provides an electronic padlock, including a lock body, a shackle, a locking portion and a driving mechanism, wherein a first end of the shackle is pivotably disposed in the lock body, a second end or two ends of the shackle can be locked in the lock body by the locking portion, the locking portion is slidably and/or rollably disposed in the lock body, the driving mechanism is disposed in the lock body to control the locking portion to be locked or unlocked with the shackle, and the driving mechanism has: the locking sliding block slides in the lock body, and a first end of the locking sliding block is abutted against the locking part; the locking mechanism comprises two oppositely arranged driving elements, the driving elements are provided with locking ends, the two locking ends are arranged along the same straight line and have an approaching state and a separating state, when the two locking ends are in the approaching state, the second end of the locking sliding block abuts against the locking ends, the locking sliding block is in a locking position, the locking part is locked with the locking hook, and when the two locking ends are in the separating state, the second end of the locking sliding block can extend into a gap formed by the two locking ends, and the locking sliding block is in an unlocking position, and the locking part is unlocked with the locking hook.

Furthermore, a first limiting portion is arranged at the second end of the locking sliding block, a second limiting portion is arranged on at least one locking end, and when the locking ends are in a close state and slide downwards, the first limiting portion is in limiting fit with the second limiting portion.

Furthermore, one end, close to each other, of each of the two locking ends is provided with a limiting flange serving as a second limiting part, and the first limiting part is a groove arranged on the end face of the second end of the locking sliding block.

Further, the first end of the locking slider has a guide slope, and the locking portion abuts on the guide slope.

Further, the number of the guide inclined surfaces is two, the two guide inclined surfaces are respectively positioned at two sides of the locking slide block, the locking part comprises a plurality of locking parts, one part of the locking parts is abutted against the first guide inclined surface, and the other part of the locking parts is abutted against the second guide inclined surface.

Furthermore, the driving mechanism is further provided with an elastic part, one end of the elastic part abuts against the lock body, and the other end of the elastic part abuts against the locking sliding block and provides extrusion force for the locking sliding block to extrude the locking part.

Furthermore, the latch is a latching steel ball, the two ends of the latch hook are provided with clamping grooves, and the latching steel ball can be clamped in the clamping grooves.

Furthermore, the locking piece is a locking pin block, one end or two ends of the locking hook are provided with clamping grooves, and the locking pin block can be clamped in the clamping grooves.

Further, the driving element is a solenoid, and the locking end is a plunger.

Further, the two driving elements are respectively provided with a cavity for accommodating the locking ends, and the driving elements drive the locking ends to extend out of or retract into the cavities, so that the two locking ends can be switched between the approaching state and the separating state.

Furthermore, the electronic padlock also comprises an unlocking part, the unlocking part is arranged at one end of the lock body far away from the shackle, and the unlocking part controls the driving element to start or stop.

According to the technical scheme, one end of a lock hook of the electronic padlock is pivotally arranged in a lock body, the other end of the lock hook of the electronic padlock can be close to or separated from the lock body, a sliding and/or rolling locking part is arranged in the lock body, one end or two ends of the lock hook can be locked in the lock body by the locking part, a driving mechanism is further arranged in the lock body, the driving mechanism can drive the locking part to be locked or unlocked with the lock hook, the driving mechanism is provided with a locking sliding block and two driving elements, the driving elements are provided with locking ends, one end of the locking sliding block abuts against the locking part, and the other end of the locking sliding block abuts against the locking ends. When the two locking ends are close to each other, the locking sliding block cannot slide under the stopping action of the locking ends, and at the moment, the locking sliding block is in a locking position, and the locking part is locked with the locking hook; when the two locking ends are separated under the driving of the driving element, the locking sliding block can extend into a gap between the middle parts of the two locking ends, so that the locking part is unlocked from the locking hook, and at the moment, the locking sliding block is in an unlocking position.

When the lock is used and unlocked, the driving element drives the two locking ends to be separated, so that the two locking ends release the stopping effect on the locking sliding block, and a user forcibly pulls the locking hook in the direction far away from the lock body, so that the locking sliding block slides to the unlocking position to realize unlocking. The two locking ends of the electronic padlock can ensure that the locking ends can still keep the stopping function on the locking sliding block under the condition that external force shakes, so that the condition of inertial unlocking of the electronic padlock is effectively prevented. Meanwhile, when the locking end is in a close state, the locking end is knocked and shaken by external force under the locking condition, a user needs to pull up the locking hook, the locking sliding block slides for a distance, the first limiting part of the locking end is in limiting fit with the second limiting part of the locking sliding block, so that the locking end cannot return into the cavity of the solenoid, the locking sliding block cannot continue to slide downwards, the locking part cannot be unlocked with the locking hook, the locking hook cannot be pulled out, and the anti-theft performance is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram showing an internal structure of an electronic padlock according to a first embodiment of the invention when locked;

FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram showing the internal structure of the electronic padlock of FIG. 1 when unlocked; and

fig. 4 shows an enlarged schematic structure diagram at B in fig. 3.

Wherein the figures include the following reference numerals:

10. a lock body; 20. a latch hook; 21. a card slot; 30. a latch; 31. a latch; 40. a drive mechanism; 41. a locking slide block; 411. a first limiting part; 412. a guide slope; 42. a locking end; 421. a second limiting part; 43. a drive element; 44. an elastic member; 50. and unlocking the lock.

Detailed Description

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

It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides an electronic padlock, aiming at solving the problem that the electronic padlock in the prior art is easy to be subjected to inertia unlocking.

Example one

An electronic padlock as shown in fig. 1 includes a lock body 10, a shackle 20, a locking portion 30 and an actuating mechanism 40, wherein a first end of the shackle 20 is pivotally disposed in the lock body 10, a second end of the shackle 20 is locked in the lock body 10 by the shackle 30, the locking portion 30 is slidably and/or rotatably disposed in the lock body 10, the actuating mechanism 40 is disposed in the lock body 10 to control the locking or unlocking of the locking portion 30 and the shackle 20, and the actuating mechanism 40 has: a locking slide 41 sliding in the lock body 10 and two oppositely arranged drive elements 43, a first end of the locking slide 41 abutting on the locking part 30; the driving element 43 has two locking ends 42, the two locking ends 42 are arranged along the same straight line and have an approaching state and a separating state, when the two locking ends 42 are in the approaching state, the second end of the locking slider 41 abuts on the locking ends 42, the locking slider 41 is in the locking position, the locking part 30 is locked with the locking hook 20, when the two locking ends 42 are in the separating state, the second end of the locking slider 41 can extend into a gap formed by the two locking ends 42, and the locking slider 41 is in the unlocking position, the locking part 30 is unlocked with the locking hook 20.

Specifically, one end of a shackle 20 of the electronic padlock is pivotably disposed in the lock body 10, the other end of the shackle can be close to or separate from the lock body 10, a slidable and/or rolling locking portion 30 is disposed in the lock body 10, the locking portion 30 can lock one end of the shackle 20 in the lock body 10, a driving mechanism 40 is further disposed in the lock body 10, the driving mechanism 40 can drive the locking portion 30 to be locked or unlocked with the shackle 20, wherein the driving mechanism 40 has a locking slider 41, and two oppositely disposed driving elements 43, one end of the locking slider 41 abuts against the locking portion 30, and the other end can abut against the locking end 42. As shown in fig. 2, when the two locking ends 42 are close to each other, the locking slider 41 is stopped by the locking ends 42 and cannot slide, and at this time, the locking slider 41 is in the locking position, and the locking portion 30 is locked with the locking hook 20; as shown in fig. 4, when the two locking ends 42 are separated by the driving element 43, the locking slider 41 can extend into the gap in the middle portion of the two locking ends 42, so that the locking portion 30 is unlocked from the locking hook 20, and at this time, the locking slider 41 is in the unlocking position.

Optionally, the second end of the locking slider 41 is provided with a first limiting portion 411, at least one of the locking ends 42 is provided with a second limiting portion 421, and when the locking end 42 is in a close state and the locking slider 41 slides downwards, the first limiting portion 411 and the second limiting portion 421 are in limiting fit.

As shown in fig. 2, one end of the locking slider 41 close to the locking ends 42 is provided with a first limiting portion 411, at least one of the locking ends 42 is provided with a second limiting portion 421, and when the two locking ends 42 are close to each other and the locking slider 41 slides downward, the first limiting portion 411 and the second limiting portion 421 can be matched with each other, so that the locking slider 41 and the locking ends 42 can be always limited from each other, and the locking ends 42 are prevented from sliding under the action of external force and losing the stopping function of the locking slider 41.

Specifically, a limit flange is provided on one end of the two locking ends 42 close to each other as a second limit portion 421, and the first limit portion 411 is a groove provided on an end surface of the second end of the locking slider 41. The groove of the latch slide 41 may be able to catch on the stop flange of the locking end 42 so that the two remain constrained to each other. The condition that the electronic padlock is unlocked because the lock hook 20 is forcibly pulled by external force is prevented.

Optionally, the first end of the locking slider 41 has a guide slope 412, and the locking portion 30 abuts on the guide slope 412.

As shown in fig. 1, in order to enable the latch 30 to apply an effective pressing force to the latch slider 41, a guide inclined surface 412 is provided at the first end of the latch slider 41, and the latch slider 41 can be driven to slide by the pressing of the latch 30 through the guide inclined surface 412, that is, the latch slider 41 can be slid by a pressing component force generated by the pressing force of the latch 30 along the sliding direction of the latch slider 41.

Further alternatively, the number of the guide slopes 412 is two, the two guide slopes 412 are respectively located on both sides of the latch slider 41, the latch portion 30 includes a plurality of latch members 31, a portion of the latch members 31 abuts on the first guide slope 412, and another portion of the latch members 31 abuts on the second guide slope 412.

Specifically, in order to make the force applied to the locking slider 41 uniform and facilitate the sliding of the locking slider 41, the guide slopes 412 are provided on both sides of the locking portion 30, the locking portion 30 includes a plurality of locking members 31, a part of the locking members 31 abuts on a first guide slope 412, another part of the locking members 31 abuts on a second guide slope 412, and when the locking portion is unlocked, both the locking members 31 press the locking slider 41 through the guide slopes 412 to drive the locking slider 41 to slide.

Optionally, the driving mechanism 40 is further provided with an elastic member 44, one end of the elastic member 44 abuts on the lock body 10, and the other end of the elastic member 44 abuts on the locking slider 41 and provides the locking slider 41 with a pressing force pressing the locking portion 30.

As shown in fig. 1, the driving mechanism 40 is further provided with an elastic member 44, two ends of the elastic member 44 respectively abut against the lock body 10 and the locking slider 41, and provide a pressing force for the locking slider 41 to press the lock body 30, so that the locking slider 41 always has a tendency to slide to the locking position, and at the same time, after the lock hook 20 extends into the lock body 10, the lock body 30 locks the lock hook 20.

Optionally, the locking member 31 is a locking steel ball, the two ends of the locking hook 20 are both provided with a locking slot 21, and the locking steel ball can be clamped in the locking slot 21.

As shown in fig. 1 and 3, the locking member 31 is a locking steel ball, and the ball-type structure enables the locking member 31 to more effectively drive the locking slider 41 to slide, and the locking with the locking hook 20 is more stable and reliable.

Alternatively, the drive element 43 is a solenoid and the locking end 42 is a plunger. The solenoid has the advantages of simple structure, reliable driving, small required driving energy and energy conservation, and the locking end 42 of the solenoid is a movable iron core which moves under the driving of the solenoid to realize the approaching and separating of the movable iron core.

Further alternatively, both the driving members 43 are provided with a cavity for accommodating the locking ends 42, and the driving members 43 drive the locking ends 42 to extend or retract into the cavity, so that the two locking ends 42 realize the switching between the approaching state and the separating state.

Specifically, the two locking ends 42 are both disposed in the cavities of the two driving elements 43, and the locking ends 42 can extend out of or retract into the cavities, so that the locking ends 42 have a sliding space, which ensures that the two locking ends 42 can be effectively separated under the driving of the driving elements 43, so that the two locking ends 42 realize the switching between the approaching state and the separating state, and the electronic padlock is stable and reliable in use.

Optionally, the electronic padlock further comprises an unlocking portion 50, the unlocking portion 50 is disposed at an end of the lock body 10 far away from the shackle 20, and the unlocking portion 50 controls the driving element 43 to start or stop.

As shown in fig. 1, the electronic padlock further has an unlocking portion 50, the unlocking portion 50 is disposed at an end away from the shackle 20, and when a specific electronic key is used to insert or induce the unlocking portion 50, the unlocking portion 50 can control the activation or deactivation of the driving element 43, and thus the unlocking or locking of the electronic padlock.

Example two

The difference from the first exemplary embodiment is that the locking element 31 is a locking pin.

Specifically, the locking member 31 is a rectangular locking pin, one end or both ends of the locking hook 20 are provided with a corresponding-shaped locking slot 21, and the locking pin can be clamped in the locking slot 21.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problem that inertial unlocking is easy to occur to an electronic padlock in the prior art is effectively solved;

2. the condition that the electronic padlock is unlocked because the lock hook 20 is forcibly pulled by external force is prevented from occurring;

3. simple structure and stable and reliable use.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic padlock, characterized in that, includes a lock body (10), a shackle (20), a locking portion (30) and a driving mechanism (40), a first end of the shackle (20) is pivotally disposed in the lock body (10), a second end or two ends of the shackle (20) can be locked in the lock body (10) through the locking portion (30), the locking portion (30) is slidably and/or rollably disposed in the lock body (10), the driving mechanism (40) is disposed in the lock body (10) to control the locking portion (30) to be locked or unlocked with the shackle (20), the driving mechanism (40) has:

a locking slider (41) sliding in the lock body (10), wherein a first end of the locking slider (41) is abutted to the locking part (30), and a second end of the locking slider (41) is provided with a first limiting part (411);

two oppositely arranged driving elements (43), wherein the driving elements (43) are provided with locking ends (42), the two locking ends (42) are arranged along the same straight line and have an approaching state and a separated state, a second limiting part (421) is arranged on at least one locking end (42), when the two locking ends (42) are in the approaching state, the second end of the locking slide block (41) is abutted against the locking ends (42), the locking slide block (41) is in a locking position, the locking part (30) is locked with the locking hook (20), at the moment, when the locking slide block (41) slides downwards, the first limiting part (411) is in limiting fit with the second limiting part (421), the locking ends (42) limit the movement of the locking slide block (41), and meanwhile, the first limiting part (411) limits the movement of the locking ends (42); when the two locking ends (42) are in a separated state, the second end of the locking sliding block (41) can extend into a gap formed by the two locking ends (42), the locking sliding block (41) is in an unlocking position, and the locking part (30) and the locking hook (20) are unlocked.

2. Electronic padlock according to claim 1, characterized in that the two locking ends (42) are provided on their ends close to each other with a stop flange as the second stop (421), the first stop (411) being a groove provided on the end face of the second end of the blocking slider (41).

3. Electronic padlock according to claim 1 or 2, characterized in that the first end of the blocking slider (41) has a guiding slope (412), the blocking portion (30) abutting on the guiding slope (412).

4. Electronic padlock according to claim 3, characterized in that the guide ramps (412) are two, the two guide ramps (412) being located on each side of the blocking slider (41), the blocking part (30) comprising a plurality of blocking elements (31), one part of the blocking elements (31) abutting against a first of the guide ramps (412) and the other part of the blocking elements (31) abutting against a second of the guide ramps (412).

5. Electronic padlock according to claim 4, characterized in that the driving mechanism (40) is also provided with a spring (44), one end of the spring (44) abutting on the lock body (10) and the other end of the spring (44) abutting on the locking slider (41) and providing the locking slider (41) with a pressing force that presses the locking part (30).

6. An electronic padlock according to claim 4, characterized in that the locking member (31) is a steel locking ball, and the shackle (20) is provided with a slot (21) at both ends, and the steel locking ball can be snapped into the slot (21).

7. An electronic padlock according to claim 4, characterized in that the locking member (31) is a locking pin, one or both ends of the shackle (20) being provided with a catch (21), the locking pin being snappable in the catch (21).

8. Electronic padlock according to claim 1 or 2, characterized in that the driving element (43) is a solenoid and the locking end (42) is a plunger.

9. Electronic padlock according to claim 1 or 2, characterized in that both driving elements (43) are provided with a cavity for housing the locking ends (42), the driving elements (43) driving the locking ends (42) to extend or retract into the cavity to cause the two locking ends (42) to effect the transition between the approaching state and the separating state.

10. Electronic padlock according to claim 1 or 2, characterized in that it further comprises an unlocking part (50), the unlocking part (50) being arranged on the lock body (10) at the end remote from the shackle (20), the unlocking part (50) controlling the activation or deactivation of the actuation element (43).