CN112814481B - Lock core - Google Patents

Abstract

The application provides a lock core, relates to tool to lock and makes technical field. The lock core comprises a lock shell, a lock liner, a side column assembly and at least one group of locking blades. The lock liner is arranged in the lock shell and is provided with a lock hole for inserting a key. The side column assembly is arranged between the inner wall of the lock shell and the lock cylinder and used for limiting the lock cylinder to rotate relative to the lock shell. At least one group of locking blades are arranged in the lock cylinder and can be shifted by a key. Each set of the lock blades includes two lock blades, which are symmetrically arranged by 180 ° so that the front face of one lock blade is opposed to the front face of the other lock blade in the key insertion direction. Each locking blade is provided with a first groove for inserting the side column component. At least one group of the locking blades comprises at least two same locking blades. At least two same locking blades are adopted in at least one group of locking blades of the lock core, and the same locking blades can be manufactured by adopting the same die, so that the dies required for manufacturing the locking blades are reduced, and the development cost is reduced.

Description

Lock core

Technical Field

The application relates to the technical field of lock manufacturing, in particular to a lock cylinder.

Background

With the development of science and technology, intelligent devices including mobile devices are rapidly popularized, and intelligent locks are gradually loved and accepted by more and more people due to the characteristics of safety, reliability, intelligence, convenience and the like. The applicant has found that the problems in the related art are: the development cost is high.

Disclosure of Invention

An object of the embodiment of the present application is to provide a lock cylinder, which aims to solve the problem of high development cost in the related art.

The embodiment of the application provides a lock core, and the lock core includes lock shell, lock courage, side post subassembly and at least a set of shutting blade. The lock liner is arranged in the lock shell and is provided with a lock hole for inserting a key. The side column assembly is arranged between the inner wall of the lock shell and the lock cylinder and used for limiting the lock cylinder to rotate relative to the lock shell. At least one group of locking blades are arranged in the lock cylinder and can be shifted by a key. Each set of the lock blades includes two lock blades, which are symmetrically arranged by 180 ° so that the front face of one lock blade is opposed to the front face of the other lock blade in the key insertion direction. Each locking blade is provided with a first groove for inserting the side column component. At least one group of the locking blades comprises at least two same locking blades. At least two same locking blades are adopted in at least one group of locking blades of the lock core, and the same locking blades can be manufactured by adopting the same die, so that the dies required for manufacturing the locking blades are reduced, and the development cost is reduced. When the key is inserted into the keyhole, all first grooves on at least one group of locking blades are arranged to form a straight line, so that the side column assembly can fall into the first grooves to unlock the lock liner and the lock shell, and further, when the key is rotated, unlocking can be realized.

As an alternative solution to the embodiment of the present application, each set of locking blades includes two identical locking blades. Two identical locking blades are adopted in each group of locking blades of the lock core, the identical locking blades can be manufactured by adopting the same die, the dies required for manufacturing the locking blades are reduced, and the development cost is reduced.

As an optional technical solution of the embodiment of the present application, in two identical locking blades, a front surface of one locking blade and a front surface of the other locking blade are attached to each other. Through making the front that is located two shutting blades of same group laminate each other for two first recess positions stagger, and two shutting blades support the limit post subassembly respectively, so that the limit post subassembly restriction lock courage is rotatory for the lock shell. In addition, the front surfaces of the two locking blades are mutually attached, the occupation of each group of locking blades on the space is reduced, and the internal space of the lock cylinder is fully utilized.

As an alternative solution to the embodiment of the present application, the two locking blades move in opposite directions to approach each other during the insertion of the key into the keyhole. When two shutting blades are close to each other, two first recesses are arranged into a straight line to in the side post subassembly falls into a plurality of first recesses, unblock lock courage and lock shell.

As an optional technical scheme of the embodiment of the application, the lock cylinder further comprises a clutch piece, a first linkage blade and a locking pin. The lock courage includes preceding lock courage and back lock courage, and the lock courage before the lockhole is located, and the side column subassembly sets up between the inner wall of lock shell and preceding lock courage, and at least a set of shutting blade sets up in preceding lock courage and can be stirred by the key. The clutch piece and the first linkage blade are movably arranged in the front lock cylinder. The clutch member is in linkage with the side post assembly. The clutch member has an engagement position for engaging the front cylinder with the rear cylinder and a disengagement position for disengaging the front cylinder from the rear cylinder. The locking pin is used for locking the clutch member at the off position. The first linkage blade is provided with an air avoiding part, and in the process that the key is inserted into the lock hole, the key stirs the first linkage blade to enable the air avoiding part to be aligned with one end of the locking pin, so that the locking pin moves to release the locking of the clutch piece. When inserting wrong key, a plurality of first recesses can not be arranged into a straight line, and the side post subassembly can't fall into a plurality of first recesses in, and the lock courage is rotatory for the lock shell before the side post subassembly restriction, can't realize the unblock. Even a plurality of first recesses can be arranged into a straight line for the side post subassembly can fall into a plurality of first recesses, but the portion of keeping away of first linkage blade staggers with the position of lock round pin, and lock round pin locking clutch piece rotates the key, still can not unblank. When a correct key is inserted, the first grooves are arranged in a straight line, and the space avoiding part of the first linkage blade is aligned with one end of the locking pin, so that the locking pin falls into the space avoiding part, and the locking of the clutch piece is released. Through setting up locking round pin and first linkage blade, increased the security of lock core.

As an optional technical scheme of the embodiment of the application, the lock cylinder further comprises a cam and a motor. The cam is mounted on an output shaft of the motor, and has a first position and a second position. In the first position, the cam occupies space to prevent movement of the clutch member to the engaged position. In the second position, the cam gives way to allow the clutch member to move to the engaged position. The safety of the lock cylinder is further improved by arranging the cam.

As an optional technical solution of the embodiment of the present application, the lock cylinder further includes a second linkage blade, and the second linkage blade is movably disposed in the front lock cylinder. The second interlocking blade is located between the at least one set of locking blades and the cam in the key insertion direction, and the second interlocking blade is interlocked with the cam. The key comprises a mechanical key, and the mechanical key dials the second linkage blade to rotate the cam to the second position in the process of inserting the mechanical key into the keyhole. When an error key is inserted into the lock hole, the second linkage blade cannot act or the cam cannot rotate to the second position after the second linkage blade acts, the clutch piece cannot move to the engagement position, and unlocking cannot be achieved. When a correct mechanical key is inserted into the lock hole, the second linkage blade acts to drive the cam to rotate to the second position, and the clutch piece can move to the joint position to realize unlocking.

As an alternative solution to the embodiment of the present application, a protrusion is formed on one end surface of the cam, and a second groove is formed on the second linkage blade. The protrusion is inserted into the second groove to allow the second linkage blade to be linked with the cam. When a correct mechanical key is inserted into the lock hole, the teeth of the mechanical key drive the second linkage blades to move, the second grooves move to drive the cam to move, and the cam rotates from the first position to the second position.

As an optional technical solution of the embodiment of the present application, a front surface of the mechanical key is provided with a first tooth for striking at least one set of the locking blade and the first linkage blade, and a back surface of the mechanical key is provided with a second tooth for striking a second linkage blade. The first tooth can align a plurality of first grooves in at least one set of locking blades so that the side column assembly can fall into the first grooves and the rotation of the front lock cylinder relative to the lock shell is not limited. The first tooth also enables the first linkage blade to move, so that the locking pin moves to unlock the clutch piece. The second tooth is configured to actuate the second linkage blade to rotate the cam to the second position, allowing the clutch member to move toward the engaged position.

As an optional technical scheme of the embodiment of the application, the lock cylinder further comprises a code reader and a controller. The key comprises an electronic key. The code reader is used for reading the ID code of the electronic key, and the controller controls the motor to rotate after judging that the ID code of the electronic key is correct so as to drive the cam to rotate to the second position. Through setting up code reader and controller for discernment electron key's ID code, and control motor rotates, cooperation electron key's mechanical part for limit post subassembly and clutch piece unblock, only when ID code and mechanical part are all correct, just can realize the unblock, adopt mechano-electronic's dual authentication to unblank, promoted the security of lock core.

As an optional technical scheme of the embodiment of the application, the front face of the electronic key is provided with a third tooth for shifting at least one group of locking blades and the first linkage blades. The third tooth can align a plurality of first recesses in at least one set of shutting blade for the side post subassembly can fall into first recess, no longer restricts the rotation of preceding lock courage relative to the lock shell. The third tooth also enables the first linkage blade to move, so that the locking pin moves to unlock the clutch piece. When the ID code is correct, the motor rotates to drive the cam to the second position, and the clutch piece can move to the engagement position to realize unlocking.

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 overall structural diagram of a lock cylinder provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a lock cylinder at a first viewing angle when an incorrect key is inserted into a lock hole according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a lock cylinder at a second viewing angle when an incorrect key is inserted into a lock hole according to an embodiment of the present application;

FIG. 4 is a schematic view of a locking blade according to an embodiment of the present application from a third perspective;

FIG. 5 is a schematic view of a locking blade according to an embodiment of the present application from a fourth perspective;

FIG. 6 is a schematic structural diagram of a set of locking vanes provided in accordance with an embodiment of the present application from a third perspective;

FIG. 7 is a schematic illustration of a clutch member and locking pin engagement arrangement according to an embodiment of the present application;

FIG. 8 is a schematic structural view of a clutch member in an open position according to an embodiment of the present application;

FIG. 9 is a schematic structural view of a clutch member in an engaged position according to an embodiment of the present application.

Icon: 10-a lock cylinder; 100-lock case; 200-front lock liner; 300-side post assembly; 310-a first side post; 320-a second side column; 330-a second elastic element; 400-a locking blade; 410-a first groove; 420-convex teeth; 430-a first holding portion; 440-a third groove; 610-a clutch; 611-a mating hole; 612-a second holding portion; 620-a first linkage vane; 630-a locking pin; 640-an escape part; 710-a cam; 711-a bump; 720-motor; 730-a second linkage blade; 800-rear lock liner; 900-key.

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.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1 to 8, the present embodiment provides a lock cylinder 10, wherein the lock cylinder 10 includes a lock housing 100, a cylinder, a side post assembly 300 and at least one set of locking blades 400. The lock cylinder is disposed in the lock case 100 and has a lock hole into which the key 900 is inserted. The jamb assembly 300 is disposed between an inner wall of the lock housing 100 and the cylinder for limiting rotation of the cylinder relative to the lock housing 100. At least one set of locking blades 400 is disposed within the cylinder and can be moved by a key 900. Each set of the locking blades 400 includes two locking blades 400, and the two locking blades 400 are symmetrically arranged at 180 ° such that the front surface of one locking blade 400 is opposite to the front surface of the other locking blade 400 in the insertion direction of the key 900. Each of the locking blades 400 is provided with a first groove 410 into which the side post assembly 300 is inserted. At least one set of the locking blades 400 includes at least two identical locking blades 400. At least two identical locking blades 400 are adopted in at least one group of locking blades 400 of the lock core 10, and the identical locking blades 400 can be manufactured by adopting the same die, so that the dies required for manufacturing the locking blades 400 are reduced, and the development cost is reduced. When the key 900 is inserted into the keyhole, all the first grooves 410 on at least one group of the locking blades 400 are arranged in a straight line, so that the side column assembly 300 can fall into the first grooves 410 to unlock the lock cylinder and the lock shell 100, and further, when the key 900 is rotated, unlocking can be realized.

Referring to fig. 2 to 6, in the present embodiment, each set of the locking blades 400 includes two identical locking blades 400. Two identical locking blades 400 are adopted in each group of locking blades 400 of the lock core 10, and the identical locking blades 400 can be manufactured by adopting the same die, so that the dies required for manufacturing the locking blades 400 are reduced, and the development cost is reduced. In two identical locking vanes 400, the front face of one locking vane 400 abuts the front face of the other locking vane 400. By attaching the front faces of the two locking blades 400 in the same set to each other, so that the two first grooves 410 are staggered, the two locking blades 400 support the side post assembly 300, respectively, so that the side post assembly 300 restricts the rotation of the cylinder with respect to the lock case 100. In addition, the front surfaces of the two locking blades 400 are mutually attached, so that the space occupation of each group of locking blades 400 is reduced, and the internal space of the lock cylinder is fully utilized. In an alternative embodiment, the front face of one latch blade 400 is opposite to the front face of the other latch blade 400 with a gap therebetween in two identical latch blades 400.

For example, when two sets of the latching blades 400 are provided, the two sets of latching blades 400 include a type a latching blade 400 and a type B latching blade 400. The a-type locking blade 400 and the B-type locking blade 400 are different in that the opening position of the first groove 410 is different. The gauge A is the front side facing outwards, and the gauge A' is the front side facing inwards. The two latch blades 400 in the two sets of latch blades 400 may be engaged in the following manner: AA ', BB'. When the blocking vanes 400 are provided in one set, the cooperation of two blocking vanes 400 in one set of blocking vanes 400 may be: AA'. When the two or more sets of locking blades 400 are provided, the two locking blades 400 in the two or more sets of locking blades 400 may be engaged in the following manner: AA ', BB', CC ', DD' … …

In an alternative embodiment, the blocking vanes 400 are provided in multiple sets, for example, two sets of blocking vanes 400 are provided, with the two blocking vanes 400 in each set of blocking vanes 400 being different. The two latch blades 400 in the two sets of latch blades 400 may be engaged in the following manner: AB ', BA'.

In another alternative embodiment, the two latch blades 400 in some sets of latch blades 400 are different and the two latch blades 400 in some sets of latch blades 400 are the same. Also taking two sets of locking blades 400 as an example, the two locking blades 400 in the two sets of locking blades 400 can be matched in the following way: AB ', BB'. At this time, there are three B-type locking blades 400, and all three B-type locking blades 400 can be manufactured by the same mold.

Referring to fig. 4, with reference to fig. 5 and 6, in the present embodiment, a first groove 410 for inserting the side pillar assembly 300 is formed on an upper side of each locking blade 400, and the first groove 410 is formed at a position deviating from a middle portion of the locking blade 400. Thus, when the front surface of one of the latch blades 400 and the front surface of the other latch blade 400 of the two identical latch blades 400 are engaged with each other, the positions of the two first grooves 410 are staggered. When the correct key 900 is inserted, each of the locking blades 400 is moved by the teeth of the key 900, and the two first grooves 410 are aligned. The lower side of each locking blade 400 is protrudingly provided with a protrusion 420 for engaging with the teeth of the key 900, and when the key 900 is inserted into the key hole, the protrusion 420 and the teeth of the key 900 act to move the locking blade 400 to adjust the position of the locking blade 400 such that the plurality of first grooves 410 are aligned in a straight line.

Referring to fig. 4, with reference to fig. 5 and fig. 6, the front surface of one of the two identical locking blades 400 is attached to the front surface of the other locking blade, and the two first grooves 410 are both located on the upper side of the locking blade 400, that is, the two first grooves 410 are both located on the side close to the side pillar assembly 300. Two teeth 420 are located on the lower side of the locking blade 400, that is, two teeth 420 are located on the side away from the side column assembly 300, so as to interact with the teeth of the key 900, change the position of the locking blade 400, and change the arrangement of the first grooves 410.

Referring to fig. 2 and fig. 3, in the present embodiment, the arrangement positions of the convex teeth 420 of the locking blades 400 in different sets are the same, and the opening positions of the first grooves 410 are different. Thus, only minor adjustments are required to produce and manufacture the plurality of sets of locking blades 400 when designing the mold. By changing the opening positions of the first grooves 410, when the plurality of groups of locking blades 400 are arranged in the inserting direction of the key 900, the staggering degree of the first grooves 410 is different, the key amount is increased, and the safety is improved.

In the present embodiment, each set of the latching blades 400 includes a first elastic member connected with the latching blades 400. When the key 900 is inserted into the key hole, the first elastic member accumulates elastic potential energy. When the key 900 is pulled out of the keyhole, the first elastic element releases elastic potential energy, so that the locking blade 400 is reset. Through setting up first elastic element, the position of shutting blade 400 resets, when guaranteeing that every time key 900 inserts, shutting blade 400 all is in the exact position, and a plurality of first recesses 410 of being convenient for are arranged into a straight line, guarantee the unblock reliable and stable.

Referring to fig. 4, referring to fig. 5 and fig. 6, in the present embodiment, a third groove 440 is formed on the front surface of the locking blade 400, the locking blade 400 further has a first abutting portion 430, and the first abutting portion 430 is located at one end of the third groove 440. As shown in fig. 4, the first abutting portion 430 is located at the left side of the third groove 440. When the front surface of one of the two identical locking blades 400 is attached to the front surface of the other locking blade, one end of one locking blade 400 far from the first abutting portion 430 abuts against the first abutting portion 430 of the other locking blade 400, the two locking blades 400 are spliced with each other, and the two third grooves 440 form an installation space. The first elastic element is accommodated in the installation space, and two ends of the first elastic element respectively abut against the two first abutting portions 430. In this embodiment, the first elastic element is a spring. Alternatively, the first elastic member is rubber, a spring, or the like.

In this embodiment, two identical locking blades 400 are moved in opposite directions to approach each other during the insertion of the key 900 into the lock hole, the first elastic element is compressed and accumulates elastic potential energy, and the two first grooves 410 are aligned such that the side post assembly 300 falls into the plurality of first grooves 410 to unlock the cylinder and the lock case 100. When the key 900 is pulled out of the keyhole, the first elastic element releases elastic potential energy, the locking blade 400 is reset under the action of the first elastic element, the plurality of first grooves 410 are staggered, the side column assembly 300 is pulled out of the first grooves 410, and the lock cylinder and the lock shell 100 are locked.

In an alternative embodiment, two identical locking blades 400 are moved away from each other in opposite directions during insertion of the key 900 into the lock hole, the first resilient member is compressed and accumulates elastic potential energy, and the two first grooves 410 are aligned such that the side post assembly 300 falls into the plurality of first grooves 410 to unlock the cylinder shell from the lock case 100. When the key 900 is pulled out of the keyhole, the first elastic element releases elastic potential energy, the locking blade 400 is reset under the action of the first elastic element, the plurality of first grooves 410 are staggered, the side column assembly 300 is pulled out of the first grooves 410, and the lock cylinder and the lock shell 100 are locked.

Referring to fig. 2 and 3 again, in the present embodiment, a fourth groove is formed on the inner wall of the lock case 100 for inserting the side post assembly 300, and when the side post assembly 300 is inserted into the fourth groove, the relative rotation between the cylinder and the lock case 100 is limited. The side post assembly 300 comprises a first side post 310, a second side post 320 and a second elastic element 330, wherein the first side post 310 is used for matching with the fourth groove, and one side of the first side post 310 far away from the lock shell 100 is movably connected with the second side post 320 through the second elastic element 330. When the correct key 900 is inserted into the keyhole, the first grooves 410 are aligned, the first side post 310 is inserted into the first grooves 410, and when the key 900 is rotated, the groove wall of the fourth groove interacts with the first side post 310 to compress the second elastic element 330, so that the first side post 310 is separated from the fourth groove, and the lock cylinder is allowed to rotate relative to the lock catch.

Referring to fig. 2, 3, 7, 8 and 9, in the present embodiment, the lock cylinder 10 further includes a clutch member 610, a first linkage blade 620 and a locking pin 630. The lock core comprises a front lock core 200 and a rear lock core 800, the lock hole is arranged in the front lock core 200, the side column assembly 300 is arranged between the inner wall of the lock shell 100 and the front lock core 200, and at least one group of locking blades 400 is arranged in the front lock core 200 and can be shifted by a key 900. The clutch 610 and the first linkage blade 620 are both movably disposed within the front cylinder 200. Clutch 610 is in ramped engagement with second side post 320. The clutch member 610 has an engaged position for engaging the front cylinder core 200 with the rear cylinder core 800 and a disengaged position for disengaging the front cylinder core 200 from the rear cylinder core 800. A locking pin 630 is used to lock the clutch element 610 in the disengaged position. The first linking blade 620 is provided with a space-escaping portion 640, and during the process of inserting the key 900 into the lock hole, the key 900 moves the first linking blade 620 to align the space-escaping portion 640 with one end of the locking pin 630, thereby moving the locking pin 630 to unlock the clutch member 610.

When the wrong key 900 is inserted, the first grooves 410 cannot be aligned, the side post assembly 300 cannot fall into the first grooves 410, and the side post assembly 300 restricts the front cylinder 200 from rotating relative to the lock case 100, so that unlocking cannot be achieved. Even if the plurality of first grooves 410 can be aligned in a straight line so that the side post assembly 300 can be dropped into the plurality of first grooves 410, the space-saving portion 640 of the first linking blade 620 is misaligned with the position of the locking pin 630, and the locking pin 630 locks the clutch member 610, rotates the key 900, or cannot unlock. When the correct key 900 is inserted, the plurality of first grooves 410 are aligned and the space-avoiding portion 640 of the first linking blade 620 is aligned with one end of the locking pin 630, so that the locking pin 630 falls into the space-avoiding portion 640, releasing the locking of the clutch member 610. By providing the locking pin 630 and the first linking blade 620, the security of the lock cylinder 10 is increased.

Referring to fig. 2 and fig. 3, in the present embodiment, the clearance portion 640 is a groove formed on the first linking blade 620. Referring to fig. 7, a coupling hole 611 is formed on the clutch member 610, and one end of the locking pin 630 is coupled to the coupling hole 611. When the key 900 is not inserted or the wrong key 900 is inserted, the upper side of the first linkage blade 620 supports the locking pin 630 such that the locking pin 630 is inserted into the fitting hole 611. When the correct key 900 is inserted, the first linking blade 620 moves so that the escape portion 640 corresponds to the lock pin 630, and the lock pin 630 falls into the escape portion 640 by gravity, is disengaged from the engagement hole 611, and unlocks the clutch member 610. When the key 900 is removed, the first interlocking blade 620 operates again, and the lock pin 630 is gradually separated from the clearance portion 640, inserted into the fitting hole 611 again, supported by the upper side of the first interlocking blade 620, and locks the clutch member 610.

Referring to fig. 2 again and fig. 3 in cooperation, in the present embodiment, the lock cylinder 10 further includes a cam 710 and a motor 720. The cam 710 is mounted on an output shaft of the motor 720, the cam 710 having a first position and a second position. In the first position, the cam 710 occupies space to prevent the clutch member 610 from moving toward the engaged position. In the second position, the cam 710 gives room to allow the clutch 610 to move toward the engaged position. The security of the lock cylinder 10 is further increased by the provision of the cam 710.

Referring to fig. 7, referring to fig. 2 and fig. 3, in the present embodiment, a second abutting portion 612 is further protruded from a lower side of the locking member, and the second abutting portion 612 is used for abutting against an end surface of the cam 710. When the cam 710 is in the first position, the second abutting portion 612 abuts against an end surface of the cam 710, and the clutch member 610 is prevented from moving to the engaged position. When the cam 710 is in the second position, the second abutting portion 612 no longer abuts against the end surface of the cam 710, and the clutch member 610 can move toward the engaged position.

Referring to fig. 2 and 3, the lock core 10 further includes a second coupling blade 730, and the second coupling blade 730 is movably disposed in the front cylinder core 200. The second interlocking blade 730 is located between at least one set of the locking blades 400 and the cam 710 in the insertion direction of the key 900, and the second interlocking blade 730 interlocks with the cam 710. The key 900 includes a mechanical key that toggles the second linkage blade 730 to rotate the cam 710 to the second position during insertion of the mechanical key into the keyhole. When the wrong key 900 is inserted into the lock hole, the second linkage blade 730 does not act or the cam 710 cannot rotate to the second position after the action, the clutch member 610 cannot move to the engagement position, and the unlocking cannot be realized. When a correct mechanical key is inserted into the keyhole, the second linkage blade 730 acts to drive the cam 710 to rotate to the second position, and the clutch member 610 can move to the engagement position, so that unlocking can be realized.

Referring to fig. 2, in the present embodiment, a protrusion 711 is formed on an end surface of the cam 710 close to the second coupling blade 730, and a second groove is formed on the second coupling blade 730. The protrusion 711 is fitted into the second groove to allow the second coupling blade 730 to be coupled with the cam 710. When a correct mechanical key is inserted into the lock hole, the teeth of the mechanical key drive the second linkage blade 730 to move, the second groove moves to drive the cam 710 to move, and the cam 710 rotates from the first position to the second position. Accordingly, when the mechanical key exits the lock, the teeth of the mechanical key drive the second linkage blade 730 to move, the second groove moves, and the cam 710 is driven to move, so that the cam 710 rotates from the second position to the first position.

In an alternative embodiment, the second linkage blade 730 has a protrusion and the cam 710 has a second groove formed on an end surface adjacent to the second linkage blade 730. The protrusion is fitted into the second groove to allow the second coupling blade 730 to be coupled with the cam 710. In another alternative embodiment, a protrusion 711 is formed on an end surface of the cam 710 close to the second coupling blade 730, the protrusion 711 abuts against one side of the second coupling blade 730, and when the second coupling blade 730 moves, the protrusion 711 is driven to move, so that the second coupling blade 730 is linked with the cam 710.

In this embodiment, the front surface of the mechanical key is provided with a first tooth for striking at least one set of the blocking vane 400 and the first linking vane 620, and the rear surface of the mechanical key is provided with a second tooth for striking the second linking vane 730. The first teeth align the first plurality of notches 410 in at least one set of locking blades 400 such that the jamb assembly 300 is able to drop into the first notches 410 and no longer restrict rotation of the front cylinder barrel 200 relative to the housing 100. The first tooth is also capable of actuating the first linkage blade 620 such that the locking pin 630 moves, unlocking the clutch 610. The second tooth can actuate the second linkage blade 730 to rotate the cam 710 to the second position, allowing the clutch 610 to move to the engaged position.

In this embodiment, the lock cylinder 10 further includes a code reader and a controller, and the code reader is electrically connected to the controller. The key 900 comprises an electronic key. The code reader is used for reading the ID code of the electronic key, and the controller controls the motor 720 to rotate after judging that the ID code of the electronic key is correct, so as to drive the cam 710 to rotate to the second position. Through setting up code reader and controller for discernment electronic key's ID code, and control motor 720 rotates, cooperation electronic key's mechanical part, make limit post subassembly 300 and clutch member 610 unblock, only when ID code and mechanical part are all correct, can realize the unblock, adopt mechano-electronic's dual authentication to unblank, promoted the security of lock core 10.

The front surface of the electronic key is provided with a third bit for striking at least one set of the locking blade 400 and the first linking blade 620. The third tooth aligns the first plurality of notches 410 in at least one of the sets of locking blades 400 such that the jamb assembly 300 can be dropped into the first notches 410 without restricting rotation of the front cylinder barrel 200 relative to the housing 100. The third tooth is also capable of actuating the first linkage blade 620, causing the locking pin 630 to move, unlocking the clutch 610. When the ID code is correct, the motor 720 rotates to drive the cam 710 to the second position, and the clutch member 610 can move to the engaged position, so that unlocking can be achieved.

It should be noted that when the electronic key is inserted into the lock hole, the second linkage blade 730 does not operate, and only when the code reader identifies the correct ID code, the motor 720 is started to drive the cam 710 to rotate, and the cam 710 drives the second linkage blade 730 to operate. When the mechanical key is inserted into the lock hole, the motor 720 is not controlled by the controller to rotate the cam 710. The mechanical key causes the second linkage blade 730 to move, and the second linkage blade 730 rotates the cam 710, causing the output shaft of the motor 720 to rotate passively.

The lock core 10 provided by the embodiment is unlocked as follows:

when a proper mechanical key is inserted into the key hole, at least one set of the locking blades 400 is moved by the teeth, and the plurality of first grooves 410 are aligned. First linkage blade 620 is moved by the tooth pattern so that void-avoiding portion 640 is aligned with lock pin 630, and lock pin 630 falls into void-avoiding portion 640, unlocking clutch 610. The second linkage blade 730 is moved by the teeth to rotate the cam 710 from the first position to the second position. The side post assembly 300 drops into the first recess 410 and the second side post 320, during the drop, compresses the clutch 610 such that the clutch 610 moves from the disengaged position to the engaged position. At this time, the key 900 is turned, the first side column 310 is separated from the fourth groove, and the front cylinder 200 drives the rear cylinder 800 to rotate through the clutch member 610, so as to unlock the lock.

When the correct electronic key is inserted into the key hole, at least one set of the locking blades 400 is moved by the teeth, and the plurality of first grooves 410 are aligned. First linkage blade 620 is moved by the tooth pattern so that void-avoiding portion 640 is aligned with lock pin 630, and lock pin 630 falls into void-avoiding portion 640, unlocking clutch 610. The code reader reads the ID code of the electronic key, and when the ID code is correct, the motor 720 is controlled to rotate, and the motor 720 drives the cam 710 to rotate from the first position to the second position. The side post assembly 300 drops into the first recess 410 and the second side post 320, during the drop, compresses the clutch 610 such that the clutch 610 moves from the disengaged position to the engaged position. At this time, the key 900 is turned, the first side column 310 is separated from the fourth groove, and the front cylinder 200 drives the rear cylinder 800 to rotate through the clutch member 610, so as to unlock the lock.

The present embodiment provides a lock cylinder 10, the lock cylinder 10 including a lock housing 100, a front cylinder 200, a jamb assembly 300, a clutch 610, and at least one set of locking blades 400. The clutch 610 and the front cylinder 200 are rotatably disposed in the lock case 100. A lock hole is formed in the lock case 100, and a fourth groove into which the side post assembly 300 is inserted is formed in the inner wall of the lock case 100. At least one set of locking blades 400 is arranged along the axial direction of the front cylinder core 200, each set of locking blades 400 comprises two identical locking blades 400, each locking blade 400 comprises a convex tooth 420 matched with the tooth of the key 900 and a first groove 410 for inserting the side column assembly 300, the front surface of one of the two locking blades 400 is attached to the front surface of the other, and the two first grooves 410 are positioned at one side close to the side column assembly 300. When the correct key 900 is inserted into the lock hole, the first grooves 410 are aligned, the side post assembly 300 is inserted into the first grooves 410, the front cylinder 200 rotates to drive the side post assembly 300 to exit the fourth groove along the radial direction of the lock case 100, and the side post assembly 300 drives the clutch member 610 to move, so that the clutch member 610 reaches the engaging position. When the wrong key 900 is inserted into the lock hole, the plurality of first grooves 410 are staggered, the side post assembly 300 is positioned outside the first grooves 410, and the clutch member 610 is in the off position. Two identical locking blades 400 are adopted in each group of locking blades 400 of the lock core 10, and the locking blades can be manufactured by adopting the same die, so that the dies required for manufacturing the locking blades 400 are reduced, and the development cost is reduced.

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 (10)

1. A lock cylinder, comprising:

a lock case;

the lock core is arranged in the lock shell and provided with a lock hole for inserting a key;

the side column assembly is arranged between the inner wall of the lock shell and the lock core and is used for limiting the lock core to rotate relative to the lock shell;

the locking blade comprises two locking blades, the two locking blades are symmetrically arranged at 180 degrees, so that the front surface of one locking blade is opposite to the front surface of the other locking blade in the key inserting direction, each locking blade is provided with a first groove for inserting the side column assembly, and at least one group of locking blades comprises two same locking blades;

the lock core still includes clutch, first linkage blade and lock round pin, the lock courage includes preceding lock courage and back lock courage, the clutch with first linkage blade all movably set up in the preceding lock courage, the clutch with the linkage of side post subassembly, the clutch has the messenger preceding lock courage with the engaged position of back lock courage joint makes preceding lock courage with the disconnection position of back lock courage disconnection, the lock round pin be used for with the clutch lock in disconnection position, be equipped with on the first linkage blade and keep away the vacancy portion the key inserts the in-process of lockhole, the key first linkage blade is so that keep away the vacancy portion with the one end alignment of lock round pin, thereby make the lock round pin remove in order to relieve the locking of clutch.

2. The latch core of claim 1 wherein each set of said latch blades comprises two identical latch blades.

3. The latch core of claim 1 wherein the front face of one of said two latch blades abuts the front face of the other latch blade.

4. The lock core according to claim 1, wherein the lock hole is formed in the front cylinder, the side post assembly is disposed between an inner wall of the lock case and the front cylinder, and the at least one locking blade is disposed in the front cylinder and can be shifted by the key.

5. The lock core of claim 4, further comprising a cam and a motor, the cam being mounted on an output shaft of the motor, the cam having a first position in which the cam occupies space to prevent movement of the clutch member to the engaged position and a second position in which the cam gives way to space to allow movement of the clutch member to the engaged position.

6. The lock core of claim 5, further comprising a second linkage blade movably disposed within the front cylinder, the second linkage blade being positioned between the at least one set of locking blades and the cam in a key insertion direction, the second linkage blade being in linkage with the cam, the key comprising a mechanical key that toggles the second linkage blade to rotate the cam to the second position during insertion of the mechanical key into the lock hole.

7. The lock cylinder according to claim 6, wherein a projection is formed on one end surface of the cam, and a second groove is formed on the second interlocking blade, and the projection is fitted into the second groove to interlock the second interlocking blade with the cam.

8. The lock core according to claim 6, wherein the front surface of the mechanical key is provided with a first tooth for striking the at least one set of locking blades and the first linking blade, and the back surface of the mechanical key is provided with a second tooth for striking the second linking blade.

9. The lock core of claim 5, wherein the lock core further comprises a code reader and a controller, the key comprises an electronic key, the code reader is used for reading an ID code of the electronic key, and the controller controls the motor to rotate after judging that the ID code of the electronic key is correct, so as to drive the cam to rotate to the second position.

10. The lock cylinder according to claim 9, wherein the front face of the electronic key is provided with a third thread for striking the at least one set of locking blades and the first linking blade.

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