CN213774907U

CN213774907U - Lock core and electronic lock

Info

Publication number: CN213774907U
Application number: CN202022539753.3U
Authority: CN
Inventors: 杨绍华; 李启平; 高静远; 虢云
Original assignee: Zhuhai Youte IoT Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-23
Anticipated expiration: 2030-11-05

Abstract

The application relates to an electronic lock technical field particularly, relates to a lock core and electronic lock, and the electronic lock includes lock beam and this lock core, and the lock core includes: a housing; the electric locking mechanism is arranged in the shell and comprises a motor, a lock tongue, a locking top piece and a first elastic piece, the lock tongue is configured to move between a locking position and an unlocking position, the locking top piece is configured to move between a first position and a second position, and the motor drives the locking top piece to move through the first elastic piece; the locking top piece occupies space when in the first position so as to prevent the lock tongue from moving to the unlocking position; the locking top piece gives up space when in the second position so as to allow the lock tongue to move to the unlocking position; and the mechanical unlocking mechanism is arranged in the shell and is configured to drive the locking top piece to overcome the elastic force of the first elastic piece to move to the second position under the drive of the key. The application provides an electronic lock is when the outage, uses the key to insert the lock core and can control the action of mechanical unlocking mechanism and realize emergent unblock.

Description

Lock core and electronic lock

Technical Field

The application relates to the technical field of electronic locks, in particular to a lock cylinder and an electronic lock.

Background

The intelligence padlock on the existing market is mostly the electronic lock that uses portable power source, and portable power source installs inside the electronic lock to for the electronic lock power supply through the circuit, the electronic lock can appear the condition that can't unblank when the outage or after the electric quantity exhausts.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a lock core and an electronic lock to solve the problem that the electronic lock cannot be unlocked in the power failure process in the prior art.

The embodiment of the application is realized as follows:

in a first aspect, an embodiment of the present application provides a lock cylinder, including:

a housing;

the electric locking mechanism is arranged in the shell and comprises a motor, a lock tongue, a locking top piece and a first elastic piece, wherein the lock tongue is configured to move between a locking position and an unlocking position, the locking top piece is configured to move between a first position and a second position, and the motor drives the locking top piece to move through the first elastic piece; the locking top piece occupies space when in the first position so as to prevent the lock tongue from moving to the unlocking position; the locking top piece gives up space when in the second position so as to allow the lock tongue to move to the unlocking position;

and the mechanical unlocking mechanism is arranged in the shell and is configured to drive the locking top piece to overcome the elastic force of the first elastic piece to move to the second position under the drive of a key.

In an embodiment of the present application, optionally, the mechanical unlocking mechanism includes:

the unlocking top piece is movably arranged in the shell;

the second elastic piece acts on the unlocking top piece;

the unlocking lug can be driven by a key to move between a third position and a fourth position; the unlocking lug occupies space to prevent movement of the unlocking top when in the third position; the unlocking lug is arranged at the fourth position to give way, and the second elastic piece drives the unlocking top piece to move so as to drive the locking top piece to overcome the elastic force of the first elastic piece and move towards the second position.

In an embodiment of the present application, optionally, a first limiting portion is formed on the unlocking top member, a second limiting portion is formed on the locking top member, and the unlocking top member and the locking top member are in transmission through cooperation of the first limiting portion and the second limiting portion.

In an embodiment of the present application, optionally, the first limiting portion is a first protrusion formed on the unlocking top member, and the second limiting portion is a second protrusion formed on the locking top member.

In an embodiment of the present application, optionally, the mechanical unlocking mechanism further includes:

the lock core is provided with a key hole for inserting a key, the unlocking lug is connected with the lock core, and the lock core can rotate to drive the unlocking lug to rotate between a third position and a fourth position.

In an embodiment of the present application, optionally, the unlocking protrusion is an annular boss coaxially fixed to the lock core, and the annular boss includes a protruding portion;

when the unlocking lug is at the third position, the convex part is matched with the unlocking top piece;

when the unlocking lug is at the fourth position, the convex part is far away from the unlocking top piece.

In an embodiment of the present application, optionally, the lock cylinder further includes a bottom cover, and the bottom cover covers the opening at one end of the housing.

In an embodiment of the present application, optionally, a protruding anti-slip portion is formed on the bottom cover, and a limiting groove for accommodating the side column is formed on the anti-slip portion;

the mechanical unlocking mechanism further comprises a side column, and the limiting groove is used for accommodating the side column; when a correct key is not inserted into the key hole, the side column locks the bottom cover and the lock cylinder; when a correct key is inserted into the key hole, the side column unlocks the bottom cover and the lock cylinder.

The battery can be conveniently replaced by detaching the bottom cover on the shell, in the technical scheme, the bottom cover can only be opened under the condition of inserting a correct key by matching the side column of the lock liner with the limiting groove on the bottom cover, and the bottom cover cannot be opened when the correct key is not inserted, so that the battery is effectively prevented from being lost, the anti-theft performance is high, and the problem that the battery cannot be electrically unlocked due to the loss of the battery can be avoided.

In an embodiment of the present application, optionally, the lock tongue includes two symmetrically disposed lock tongues, and the two lock tongues are relatively retracted or reversely extended.

In a second aspect, an embodiment of the present application provides an electronic lock, which includes:

the aforementioned lock cylinder;

the lock comprises a lock beam, wherein the lock beam is connected to the shell of the lock core, and a notch used for accommodating the lock bolt is formed in the lock beam.

The application provides an electronic lock is equipped with mechanical unlocking mechanism in its lock core, when electronic locking mechanism is because the unable normal unblock of outage, uses the key to insert the lock core and can control mechanical unlocking mechanism action to drive the elasticity that the locking ejecting piece overcome first elastic component and remove to the second position, thereby give out the space, make the spring bolt can retreat to the unblock position, realize emergent unblock.

In some embodiments, the lock beam of the electronic lock is U-shaped, one end of the U-shaped lock beam is movably connected to the housing, the other end of the U-shaped lock beam is connected to the housing in a pluggable manner, and the pluggable end is provided with a notch for matching with the lock tongue. In order to further improve the safety, two lock tongues are symmetrically arranged in the lock cylinder, two notches are correspondingly arranged at two ends of the U-shaped lock beam, so that the two lock tongues respectively limit two ends of the lock beam, one end of the U-shaped lock beam is prevented from being pulled out violently, and the resistance of violent unlocking is increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an electronic lock according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a locking head provided by an embodiment of the present application in a first position;

FIG. 3 is a schematic structural view of a locking head provided by an embodiment of the present application in a second position;

fig. 4 is a schematic structural diagram of an electronic lock insertion key according to an embodiment of the present application;

FIG. 5 is an enlarged view of the portion IV of FIG. 4;

fig. 6 is a schematic structural diagram of a bottom cover according to an embodiment of the present application.

Icon: a-a lock cylinder; b-a lock beam; b1-notch; c-key; 100-a housing; 110-a bottom cover; 111-a drop-out prevention part; 112-a limiting groove; 200-a tongue; 300-a motor; 310-a battery; 400-locking the top piece; 410-a second limit part; 500-a first elastic member; 600-a lock liner; 610-side columns; 700-unlocking the bump; 710-raised portion; 720-recessed portions; 730-a bevel; 800-unlocking the top piece; 810-a first limiting part; 900-second elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should be noted that if the terms "front", "back", "upper", "lower", "left", "right", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of this application is usually placed in when used, this is only for the convenience of describing the present application and simplifying the description, and it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides an electronic lock, and this electronic lock possesses emergent unblock's function, can be in mechanical unblock under the condition of not circular telegram, solves the problem that current electronic lock can't unblank when the outage.

The electronic lock is structurally shown in fig. 1 and comprises a lock cylinder A and a lock beam B, wherein the lock beam B is matched with the lock cylinder A for locking.

The lock cylinder a includes a housing 100, and an electric locking mechanism and a mechanical unlocking mechanism provided in the housing 100.

The electric locking mechanism has a latch tongue 200 movable in the housing 100, and a notch B1 for receiving the latch tongue 200 is provided on the lock beam B.

When the strike B is inserted into the housing 100 of the cylinder a, the latch tongue 200 can be moved to the latched position so that one end of the latch tongue 200 is inserted into the notch B1, thereby restricting the strike B from being pulled out.

When the latch tongue 200 moves from the locked position to the unlocked position, the latch tongue 200 is withdrawn from the notch B1, and the lock beam B can be pulled out.

In this embodiment, a U-shaped lock beam B is taken as an example, and in other embodiments, lock beams B having other shapes may be adopted.

The U-shaped latch beam B has one end thereof limitedly movably connected to the housing 100 and the other end thereof removably connected to the housing 100. When locked, one end of the lock beam B connected to the housing 100 moves toward the housing 100, and the other end is inserted into the housing 100. When unlocking, one end of the lock beam B connected to the housing 100 moves toward the outside of the housing 100, and the other end is pulled out of the housing 100.

In order to lock the lock beam B more stably, the key cylinder a is provided with two locking tongues 200, and correspondingly, both ends of the U-shape are respectively provided with notches B1.

The two locking tongues 200 are symmetrically arranged, and the two locking tongues 200 can move oppositely or reversely. A spring is provided between the two latch bolts 200, or each latch bolt 200 is connected to the housing 100 through a spring.

The two lock tongues 200 move away in the opposite direction and extend out to respective locking positions; when the two lock tongues 200 move relatively, they approach each other and return to their respective unlocking positions.

The two lock tongues 200 respectively limit the two ends of the lock beam B, so that the resistance of violent unlocking can be increased, and when the lock beam B is prevented from being pulled forcibly, the lock beam B is connected to one end of the shell 100 in a limited manner in a movable manner and is pulled out of the shell 100, and the safety performance of the electronic lock is improved.

In order to lock the latch tongue 200 at the lock position, and to achieve the lock of the lock beam B, the electric locking mechanism further includes a motor 300, a lock top 400, and a first elastic member 500.

The locking tip 400 is movable between a first position and a second position.

The locking top 400 occupies a space when in the first position to prevent the latch bolt 200 from moving to the unlocked position.

The locking top 400 makes room in the second position to allow the latch tongue 200 to move to the unlocked position.

That is, when the end of the latch tongue 200, which is used for inserting into the notch B1, is taken as the front end and the end of the latch tongue 200, which is far away from the front end, is taken as the rear end, when the latch tongue 200 extends to the latching position, the latching top 400 can move to the first position to occupy the space at the rear end of the latch tongue 200, thereby preventing the latch tongue 200 from moving back to be unlocked.

In the present embodiment, as shown in fig. 2, the locking top 400 extends between the two lock tongues 200 in the first position to prevent the two lock tongues 200 from being unlocked backwards at the same time.

When the locking top 400 is moved from the first position to the second position, as shown in fig. 3, the locking top 400 is moved away from the rear end of the locking tongues 200, so that the two locking tongues 200 can be retreated to be unlocked.

The locking top 400 is moved by the motor 300 and the first elastic member 500 as described above.

The first elastic member 500 is a spring sleeved on a rotating shaft of the motor 300, and a protrusion is formed on the rotating shaft and located in a track of the spring. When the motor 300 rotates, the protrusion moves along the track of the spring, thereby driving the spring to move along the rotating shaft. When the motor 300 rotates forward, the spring moves along the rotating shaft in the direction away from the motor 300; when the motor 300 is rotated reversely, the spring moves in a direction approaching the motor 300 along the rotation axis.

The end of the spring remote from the motor 300 abuts the locking head 400.

Therefore, the motor 300 rotates forward, and the spring can push the locking top 400 from the second position to the first position to lock the latch tongue 200 in the locking position.

When the motor 300 rotates reversely, the spring pulls the locking top 400 from the first position to the second position, so that the latch tongue 200 can be retracted to the unlocking position.

Generally, the electronic lock control motor 300 provided in this embodiment unlocks, and when the battery 310 of the electronic lock is exhausted or power supply abnormality such as falling off of the battery 310 and poor contact occurs, the electronic lock adopts the mechanical unlocking mechanism to perform emergency unlocking.

The aforementioned mechanical unlocking mechanism is shown in fig. 4 and 5, and includes an unlocking top 800, a second elastic member 900, an unlocking protrusion 700, and a lock cylinder 600.

The unlocking top 800 is movably disposed in the housing 100, and a moving path of the unlocking top 800 is parallel to a moving path of the locking top 400. Generally, the unlocking top 800 is retracted in a direction close to the latch 200, and when mechanical emergency unlocking is required, the unlocking top 800 is released to move in a direction away from the latch 200, so as to drive the locking top 400 to move from the first position to the second position against the elastic force of the first elastic member 500, so that the space at the rear end of the latch 200 is cleared, and the latch 200 is unlocked and can be retracted from the locking position to the unlocking position.

The unlocking top 800 is formed with a first limit portion 810, and the locking top 400 is formed with a second limit portion 410.

When the unlocking top 800 is located close to the locking tongue 200, the first position-limiting portion 810 does not engage with the second position-limiting portion 410, and the locking top 400 can move between the first position and the second position under the driving of the motor 300.

When the unlocking top 800 moves in a direction away from the lock tongue 200, the first limiting portion 810 on the unlocking top 800 cooperates with the second limiting portion 410, so as to drive the locking top 400.

In this embodiment, the first position-limiting portion 810 is a first protrusion formed on the surface of the unlocking top 800, and the second position-limiting portion 410 is a second protrusion formed on the surface of the unlocking top 800.

The second elastic member 900 acts on the unlocking top member 800 to drive the unlocking top member 800 to move away from the locking tongue 200, as shown in fig. 5, one end of the second elastic member 900 is connected to the housing 100, and the other end is connected to the unlocking top member 800.

The second elastic member 900 is configured to have an elastic force greater than that of the first elastic member 500, so that the unlocking top member 800 acts on the second limiting portion 410 through the first limiting portion 810, and the locking top member 400 can overcome the elastic force of the first elastic member 500, so as to drive the locking top member 400 to move from the first position to the second position for unlocking.

The unlocking lug 700 is used for cooperating with the second elastic member 900 to control the unlocking top member 800 to retract or release.

The unlocking lug 700 has a third position and a fourth position.

In the third position, the unlocking protrusion 700 occupies a space under the unlocking top 800 to prevent the unlocking top 800 from moving by the second elastic member 900.

When the unlocking protrusion 700 is in the fourth position, a space is left to release the unlocking top 800, and the second elastic member 900 drives the unlocking top 800 to move.

Therefore, when the unlocking protrusion 700 is located at the fourth position, the unlocking top 800 can drive the locking top 400 to move to the second position, so as to realize mechanical emergency unlocking. In the mechanical emergency unlocking, since the rotating shaft does not rotate, the position of the protrusion on the rotating shaft on the spring is not changed, and the protrusion only cooperates with the locking top piece 400 to compress the first elastic piece 500, so that the first elastic piece 500 accumulates elastic force.

When locking is required again, the unlocking lug 700 is moved from the fourth position to the third position, the unlocking lug 700 pushes the unlocking top piece 800 to compress the second elastic piece 900 for retraction, and after the locking top piece 400 loses the external force for pressing, the first elastic piece 500 releases the accumulated elastic force, so that the locking top piece 400 is driven to move from the second position to the first position again.

In this embodiment, the second elastic member 900 is a spring, a receiving hole is formed in the lock housing, and an end of the second elastic member 900 far from the unlocking top member 800 extends into the receiving hole. The second elastic member 900 gradually enters the accommodating hole when being compressed, and the accommodating hole plays a guiding role in compressing the second elastic member 900, so that the second elastic member 900 is not easy to be stressed and deformed by lateral bending when being compressed.

To improve the anti-theft performance, the movement of the unlocking protrusion 700 between the third position and the fourth position is driven by the key C. The lock core A is externally provided with a key C hole, and when a matched key C is inserted, the key C is operated to drive the unlocking lug 700.

In order to further improve the anti-theft performance and increase the difficulty of cracking without using the key C, the lock cylinder 600 and the key C are matched to drive the unlocking bump 700.

Referring to fig. 4 again, the bottom cover 110 is disposed at the lower opening of the casing 100, an opening exposing the cylinder 600 is formed on the bottom cover 110, and a key C hole is formed on the cylinder 600, and the cylinder 600 can be driven to rotate by inserting a matching key C.

The unlocking protrusion 700 is connected to the cylinder 600, and the rotation of the cylinder 600 can drive the unlocking protrusion 700 to rotate between the third position and the fourth position.

Referring to fig. 5 again, the unlocking protrusion 700 is an annular boss coaxially fixed to the lock cylinder 600 and located between the unlocking top 800 and the lock cylinder 600. The annular boss includes a raised portion 710 and a recessed portion 720, where the recessed portion 720 refers to a position lower than the raised portion 710, and does not represent a position where the recessed portion 720 is limited to a recess from the surface of the annular boss, and only represents a relatively high position of the raised portion 710 and a relatively low position of the recessed portion 720. The relatively high-position protruding portion 710 can push the unlocking top 800 upward, and when the protruding portion 710 is far away from the unlocking top 800, the unlocking top 800 can move downward.

The raised portion 710 and the recessed portion 720 are connected by a chamfer 730, and the chamfer 730 provides a smooth transition between the raised portion 710 and the recessed portion 720. In the process that the lock core 600 drives the unlocking lug 700 to rotate between the third position and the fourth position, the second elastic member 900 drives the unlocking top member 800 to be close to the unlocking lug 700, and the unlocking lug 700 pushes the unlocking top member 800 to move up and down stably when rotating.

When the unlocking lug 700 is in the third position, the raised portion 710 engages the unlocking top 800. When the unlocking protrusion 700 is in the fourth position, the recessed portion 720 is engaged with the unlocking top 800.

Therefore, in the locked state of the cylinder 600, the unlocking protrusion 700 is at the third position; in a state where the cylinder 600 is unlocked by inserting the key C, the unlocking protrusion 700 is in the fourth position.

In order to prevent the bottom cover 110 on the housing 100 from falling off accidentally, which may cause the battery 310 mounted inside the housing 100 to be lost, and prevent the lock core a from losing the battery 310 in the locked state and being unable to be unlocked, further, the bottom cover 110 is locked by the lock core 600.

The mechanical unlocking mechanism further includes a side post 610 disposed on the cylinder core 600. It should be understood by those skilled in the art that when the key C is not inserted into the key C hole of the cylinder core 600 or the correct key C is not inserted, the cylinder core 600 is in the locked state, and the side column 610 of the cylinder core 600 protrudes from the surface of the cylinder core 600; when the key C hole of the cylinder 600 is inserted with a properly matched key C to unlock the lock, the side post 610 returns to the inside of the cylinder 600.

Therefore, when the key C is not inserted into the key C hole of the cylinder core 600 or the correct key C is not inserted, the side posts 610 on the cylinder core 600 lock the bottom cover 110 and the cylinder core 600 together.

When the key C hole of the cylinder 600 is inserted with the correctly matched key C, the side post 610 unlocks the bottom cover 110 from the cylinder 600, so that the bottom cover 110 can be removed.

That is to say, the bottom cover 110 can be removed only when the lock core 600 is unlocked by inserting the matching key C, and the battery 310 can be detached and replaced at this time, so as to effectively prevent the bottom cover 110 from accidentally falling off and losing the battery 310, and meanwhile, the anti-theft performance of the battery 310 is improved.

In order to be engaged with the side posts 610, the bottom cover 110 is formed with a slip-off prevention portion 111, and as shown in fig. 6, the slip-off prevention portion 111 is formed with a stopper groove 112 for receiving the side posts 610. In the locked state of the cylinder 600, the side posts 610 protrude from the surface of the cylinder 600 and engage with the limiting grooves 112, thereby preventing the bottom cover 110 from being separated from the housing 100. When a correctly matched key C is inserted into the key C hole of the cylinder 600, the side post 610 retracts into the cylinder 600 to disengage from the limiting groove 112, and the bottom cover 110 is unlocked from the cylinder 600, so that the bottom cover 110 can be removed.

In this embodiment, the anti-slip portion 111 is a convex pillar extending upward from the inner surface of the bottom cover 110, the convex pillar is attached to the surface of the lock core 600, and the limiting groove 112 is formed at a side close to the lock core 600.

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

Claims

1. A lock cylinder, comprising:

a housing;

2. The lock cylinder of claim 1, wherein the mechanical unlocking mechanism comprises:

the unlocking top piece is movably arranged in the shell;

the second elastic piece acts on the unlocking top piece;

3. The lock core according to claim 2, wherein a first limiting portion is formed on the unlocking top piece, a second limiting portion is formed on the locking top piece, and the unlocking top piece and the locking top piece are in transmission through the first limiting portion and the second limiting portion in a matched mode.

4. The lock cylinder according to claim 3, characterized in that the first stopper portion is a first projection formed on the unlocking top member, and the second stopper portion is a second projection formed on the locking top member.

5. The lock cylinder of claim 2, wherein the mechanical unlocking mechanism further comprises:

6. The lock core according to claim 5, wherein the unlocking lug is an annular boss coaxially fixed on the lock cylinder, and the annular boss is provided with a convex part;

7. The lock core of claim 5, further comprising a bottom cover covering an opening at one end of the housing.

8. The lock core of claim 7, wherein a raised retaining portion is formed on the bottom cover, and a limiting groove is formed on the retaining portion;

9. The lock core of claim 1, wherein the lock tongues include two symmetrically arranged lock tongues, and the two lock tongues are relatively retracted or reversely extended.

10. An electronic lock, comprising:

the lock core of any one of claims 1-9;