CN111593956B - Lock cylinder, lock and lock system - Google Patents

Abstract

The invention provides a lock cylinder, a lock and a lock system. Wherein, the lock core includes: the inner side wall of the lock shell is provided with a locking groove; at least one part of the lock cylinder extends into the lock shell, and the lock cylinder can rotate relative to the lock shell; the locking component is embedded in the lock liner and arranged along the length direction of the lock liner, and can extend into the locking groove from the lock liner to lock the lock liner; the limiting component is arranged inside the lock container and limits the locking component, the limiting component is provided with a limiting position and a yielding position, when the limiting component is located at the yielding position, the limiting component relieves the limiting on the locking component, and the locking component can move towards the inside of the lock container and is switched from a locking position to an unlocking position; the locking assembly is arranged along the radial direction of the lock cylinder in a movable mode. The invention solves the problems of poor safety performance and large volume of the lock core in the prior art.

Description

Lock cylinder, lock and lock system

Technical Field

The invention relates to the technical field of locks, in particular to a lock cylinder, a lock and a lock system.

Background

Common blade machinery lock core is mostly relied on the key to insert the time blade radial when moving left and right and realize the unblock, is limited to the lock core size, and the distance that the blade moved left and right is shorter, and more advanced in addition key duplication technique, the theftproof potential safety hazard of traditional blade lock core is increasing day by day. Although the traditional blade lock cylinder can improve the anti-theft performance of the lock cylinder by increasing the number of blades and increasing the amount of keys, the size of the lock cylinder is too long, and the universality of the lock cylinder is influenced. In the field of electric power anti-misoperation, the existing anti-misoperation mechanical lock has the problems of less secret key amount, easy cracking of an authorization mechanism and poor anti-copying performance of the key.

Therefore, the prior art has the problems of poor safety performance and large volume of the lock cylinder.

Disclosure of Invention

The invention mainly aims to provide a lock cylinder, a lock and a lock system, and aims to solve the problems of poor safety performance and large size of the lock cylinder in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a lock cylinder including: the inner side wall of the lock shell is provided with a locking groove; at least one part of the lock cylinder extends into the lock shell, and the lock cylinder can rotate relative to the lock shell; the locking component is embedded in the lock liner and arranged along the length direction of the lock liner, can extend into the locking groove from the lock liner to lock the lock liner, and has a locking position and an unlocking position; the limiting component is arranged inside the lock liner and limits the locking component, and the limiting component is provided with a limiting position and a yielding position so that the locking component can be switched between a locking position and an unlocking position; the locking assembly is movably arranged along the radial direction of the lock cylinder, at least one part of the locking assembly can extend out of the lock cylinder and enter the locking groove to enable the locking between the lock shell and the lock cylinder to be kept, when the locking assembly exits from the locking groove and the limiting assembly is located at the abdicating position, the limiting assembly releases the limiting on the locking assembly, and the locking assembly can move towards the inside of the lock cylinder and is switched to the unlocking position from the locking position; when the lock core is in a locking state, the limiting component is in a limiting position, the limiting component enables at least one part of the locking component to be located in the locking groove, the locking component is in the locking position, at least one part of the locking component extends into the locking groove, and the lock core and the lock shell are locked; when the lock core is unlocked by using the unlocking key, the unlocking key drives the locking component to move, the locking component exits from the locking groove, the limiting component is induced by the unlocking key and is switched to the yielding position from the limiting position, the locking component can exit from the locking groove, so that the locking component is switched to the unlocking position from the locking position and is clamped with the limiting component, the limiting component is kept at the yielding position, the lock core is switched to the unlocking state from the locking state, and the lock liner can rotate relative to the lock shell.

Further, at least one part of the limiting assembly moves along the radial direction of the lock shell to limit the locking assembly, and the moving direction of the limiting assembly is perpendicular to the moving direction of the locking assembly.

Further, spacing subassembly includes: the authorization marble is provided with a yielding groove; the first sensing piece is arranged on one side, away from the side wall of the lock cylinder, of the authorized marble and can sense the unlocking key; the first resetting piece is arranged in the lock cylinder to provide resetting force for switching the authorized marble from the abdicating position to the limiting position; when the lock core is in a locking state, the locking component is abutted with the part of the peripheral surface of the authorized marble except the abdicating groove; when the unlocking key is used for unlocking, the first sensing piece senses the unlocking key and drives the authorized marble to move, so that the locking assembly can enter the abdicating groove, and the locking assembly can be switched to the unlocking position from the locking position.

Furthermore, the authorized marble is columnar, and the side wall of the columnar authorized marble is provided with a yielding groove; and/or one end of the authorized marble close to the lock shell is provided with a stop convex edge; and/or the end of the authorization pin near the lock shell is provided with a lug protruding transversely.

Further, the locking assembly includes: the locking piece is abutted against the authorized marble when the limiting assembly is located at the limiting position; the second resets, and the second resets the one end and the locking piece butt of piece, and the second resets the other end and the lock courage butt of piece to provide the power that resets that switches to the shutting position by the unblock position for the locking piece.

Furthermore, the locking piece is provided with a positioning column, and the second resetting piece is sleeved on the positioning column to be abutted against the locking piece; and/or the side of the locking piece extending into the locking groove is provided with a guide inclined surface.

Furthermore, one side of the locking piece, which is close to the authorized marble, is provided with a protruding part, and when the limiting component is switched from the limiting position to the yielding position, at least one part of the protruding part can extend into the yielding groove.

Further, the lateral wall of lock courage has positioning hole, and the locking groove is two, and the shutting subassembly includes: the locking device comprises a plurality of locking blades, wherein the locking blades are divided into two groups, and when the lock cylinder is in a locking state, the two groups of locking blades respectively extend out of two ends of the positioning through hole and respectively enter two locking grooves; the third resets, and the third resets and is a plurality of, and a plurality of third resets respectively with a plurality of shutting blade one-to-ones, the third resets one end and shutting blade butt, the third resets the other end and the lock courage butt of piece.

Furthermore, the two groups of locking blades are the same in number, the positioning through holes are provided with a plurality of sub through holes arranged at intervals, the number of the sub through holes is the same as that of each group of locking blades, the locking blades of the same group are respectively positioned in different sub through holes, and the two locking blades in the same sub through hole are overlapped.

Further, the locking blade includes: the key notch is arranged along the length direction of the locking blade; the drive portion, the drive portion sets up in the key breach to extend towards the opening direction of key breach, the unblock key can pass the key breach and extrude the drive portion so that the shutting blade withdraws from the locking groove.

Further, the locking blade further comprises, disposed at an end of the locking blade adjacent the lock housing: the third reset piece is sleeved on the guide part to be abutted against the locking blade; and/or a marking structure, the marking structure being different for different locking vanes.

Further, when the key cylinder is in the locked state, the driving portion of at least one of the plurality of locking blades is not collinear with the driving portions of the other locking blades.

Further, the lock core still includes: the second sensing piece is arranged at one end, close to the key socket of the lock liner, of the lock shell, and when the lock cylinder is switched from the locking state to the unlocking state, the second sensing piece can sense the unlocking key and enable the unlocking key to acquire unlocking state information of the lock cylinder; the wireless code sheet is arranged on one side, close to the second sensing piece, of the lock liner and can be read by the unlocking key, so that the unlocking key can sense the first sensing piece of the limiting assembly; the rotary lug is arranged on one side, away from the wireless code sheet, of the lock liner, the lock liner can drive the rotary lug to rotate so as to unlock or lock a lockset provided with the lock cylinder, and the diameter of the rotary lug is larger than the inner diameter of the lock shell.

Further, the key insertion opening is eccentrically arranged on the lock cylinder.

Further, the lock core still includes dustproof subassembly, and dustproof subassembly includes: the dustproof plate is covered at one end of the lock shell close to the key insertion opening of the lock liner and is provided with a through hole corresponding to the key insertion opening; the rotating shaft is arranged on one side of the dust guard close to the lock shell; the dustproof sheet is arranged at the through hole and is connected with the dustproof plate through the rotating shaft so as to enable the dustproof sheet to rotate relative to the dustproof plate; dustproof piece that resets, dustproof piece cover that resets is established on the pivot and is provided the power that resets for the dustproof piece.

According to another aspect of the invention, a lock is provided, comprising the lock cylinder described above.

According to another aspect of the invention, a lock system is provided, comprising an unlocking key and a lock as described above.

Further, the unlocking key includes: the third induction piece can be inducted with the first induction piece of the limiting component of the lock cylinder of the lock; the driving element can drive the third sensing piece to be close to or far away from the first sensing piece so as to enable the third sensing piece and the first sensing piece to generate sensing or disconnection sensing; the code reading coil can sense the wireless code chip of the lock cylinder and control the driving element to drive the third sensing part; and the fourth induction piece can be inducted with the second induction piece of the lock cylinder.

By applying the technical scheme of the invention, the lock core comprises a lock shell, a lock liner, a locking assembly, a limiting assembly and a locking assembly. The inner side wall of the lock shell is provided with a locking groove; at least one part of the lock cylinder extends into the lock shell, and the lock cylinder can rotate relative to the lock shell; the locking component is embedded in the lock liner and arranged along the length direction of the lock liner, the locking component can extend into the locking groove from the lock liner to lock the lock liner, and the locking component is provided with a locking position and an unlocking position; the limiting component is arranged in the lock liner and limits the locking component, and the limiting component is provided with a limiting position and a yielding position so that the locking component can be switched between a locking position and an unlocking position; the lock shell is further provided with a locking groove, the locking assembly is movably arranged along the radial direction of the lock cylinder, at least one part of the locking assembly can extend out of the lock cylinder and enter the locking groove to enable the lock shell and the lock cylinder to be locked, when the locking assembly exits the locking groove and the limiting assembly is located at the yielding position, the limiting assembly releases limiting on the locking assembly, and the locking assembly can move towards the inside of the lock cylinder and is switched to the unlocking position from the locking position; (ii) a When the lock core is in a locking state, the limiting component is in a limiting position, the limiting component enables at least one part of the locking component to be located in the locking groove, the locking component is in the locking position, at least one part of the locking component extends into the locking groove, and the lock core and the lock shell are locked; when the lock core is unlocked by using the unlocking key, the unlocking key drives the locking component to move, the locking component exits from the locking groove, the limiting component is induced by the unlocking key and is switched to the yielding position from the limiting position, the locking component can exit from the locking groove, so that the locking component is switched to the unlocking position from the locking position and is clamped with the limiting component, the limiting component is kept at the yielding position, the lock core is switched to the unlocking state from the locking state, and the lock liner can rotate relative to the lock shell.

When the lock core with the structure is used, due to the fact that the limiting assembly and the locking assembly are arranged, locking between the lock shell and the lock cylinder can be achieved through matching between the limiting assembly and the locking assembly, and due to the fact that the locking assembly is arranged, the lock core in the application can achieve double locking through locking of the locking assembly to the lock shell and the lock cylinder. In addition, in the process of unlocking the lock cylinder in the application, the lock cylinder can be unlocked only after the limiting assembly and the locking assembly are unlocked completely, so that the safety of the lock cylinder is effectively improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows an exploded view of a lock cylinder according to one embodiment of the present invention;

FIG. 2 shows a schematic structural view of an unlocking key of the lock system of the present application;

FIG. 3 shows a schematic structural view of a locking blade of the lock cylinder of FIG. 1;

FIG. 4 shows a schematic structural view of the lock cylinder of the present application in a locked state;

FIG. 5 is a schematic diagram illustrating the positional relationship between the locking assembly and the spacing assembly of the lock cylinder of FIG. 4;

FIG. 6 shows a cross-sectional view A-A of FIG. 4;

FIG. 7 shows a cross-sectional view B-B of FIG. 4;

fig. 8 shows a schematic structural view of the lock cylinder in the present application in an unlocked state;

FIG. 9 is a schematic diagram illustrating the positional relationship between the locking assembly and the spacing assembly of the lock cylinder of FIG. 8;

FIG. 10 shows a cross-sectional view C-C of FIG. 8;

fig. 11 shows a cross-sectional view D-D in fig. 8.

Wherein the figures include the following reference numerals:

10. a lock case; 11. a locking groove; 12. a locking groove; 20. a lock liner; 21. positioning the through hole; 211. a sub-via hole; 30. a locking assembly; 31. a locking member; 311. a positioning column; 312. a guide slope; 313. a protruding portion; 32. a second reset member; 40. a limiting component; 41. authorizing the marble; 411. a yielding groove; 42. a first sensing member; 43. a first reset member; 50. a locking assembly; 51. locking the blade; 511. a key breach; 512. a drive section; 513. a guide portion; 514. identifying a structure; 52. a third reset member; 60. an unlocking key; 61. a third sensing member; 63. a code reading coil; 64. a fourth sensing member; 70. a second sensing member; 80. a wireless chip; 90. ear turning; 100. a dust-proof assembly; 110. a dust-proof plate; 120. a rotating shaft; 130. a dust-proof sheet; 140. dustproof piece that resets.

Detailed Description

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

It is 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.

In order to solve the problems of poor safety performance and large volume of the lock cylinder in the prior art, the application provides the lock cylinder, the lockset and the lockset system.

As shown in fig. 1 to 11, the lock system in the present application includes an unlocking key 60 and a lock. And the lock in this application comprises a lock cylinder as described below.

As shown in fig. 1 and 2, the lock cylinder of the present application includes a lock case 10, a cylinder core 20, a locking assembly 30, a limiting assembly 40, and a locking assembly 50. The inner side wall of the lock case 10 is provided with a locking groove 11; at least one part of the lock core 20 extends into the lock shell 10, and the lock core 20 can rotate relative to the lock shell 10; the locking component 30 is embedded in the lock core 20 and arranged along the length direction of the lock core 20, the locking component 30 can extend into the locking groove 11 from the lock core 20 to lock the lock core 20, and the locking component 30 has a locking position and an unlocking position; the limiting component 40 is arranged inside the lock liner 20 and limits the locking component 30, and the limiting component 40 has a limiting position and a yielding position so that the locking component 30 can be switched between a locking position and an unlocking position; the lock shell 10 is also provided with a locking groove 12, the locking assembly 50 is movably arranged along the radial direction of the lock core 20, at least one part of the locking assembly 50 can extend out of the lock core 20 and enter the locking groove 12 to keep locking between the lock shell 10 and the lock core 20, when the locking assembly 50 exits the locking groove 12 and the limiting assembly 40 is located at the abdicating position, the limiting assembly 40 releases the limiting on the locking assembly 30, and the locking assembly 30 can move towards the inside of the lock core 20 and is switched from the locking position to the unlocking position; when the lock core is in a locking state, the limiting component 40 is in a limiting position, the limiting component 40 enables at least one part of the locking component 30 to be located in the locking groove 11, the locking component 30 is in a locking position, at least one part of the locking component 50 extends into the locking groove 12, and the lock core 20 and the lock shell 10 are kept locked; when the lock cylinder is unlocked by using the unlocking key 60, the unlocking key 60 drives the locking component 50 to move, the locking component 50 exits from the locking groove 12, the limiting component 40 senses the unlocking key 60 and is switched to the abdicating position from the limiting position, the locking component 30 can exit from the locking groove 11, so that the locking component 30 is switched to the unlocking position from the locking position and is clamped with the limiting component 40, the limiting component 40 is kept at the abdicating position, the lock cylinder is switched to the unlocking state from the locking state, and the lock liner 20 can rotate relative to the lock shell 10.

When the lock core with the structure is used, the limiting assembly 40 and the locking assembly 30 are arranged, so that the lock shell 10 and the lock core 20 can be locked through the matching between the limiting assembly 40 and the locking assembly 30, and the lock core in the application can realize double locking because the lock assembly 50 is also arranged and the lock shell 10 and the lock core 20 are locked through the lock assembly 50. In addition, in the process of unlocking the lock cylinder in the application, the lock cylinder can be unlocked only after the limiting assembly 40 and the locking assembly 50 are completely unlocked, so that the safety of the lock cylinder is effectively improved.

In addition, in the present application, when the position-limiting component 40 is located at the position-limiting position, the position-limiting component 40 can limit the position of the locking component 30, that is, even after the locking component 50 releases the locking between the cylinder 20 and the lock case 10, the locking component 30 can still maintain the locking of the cylinder 20 and the lock case 10. Only after the limiting assembly 40 is switched from the limiting position to the yielding position and the locking assembly 50 is unlocked at the same time, the locking assembly 30 can be switched from the locking position to the unlocking position.

Specifically, at least a portion of the limiting assembly 40 moves in the radial direction of the lock case 10 to limit the locking assembly 30. Through setting up like this, can reduce the space that spacing subassembly 40 occupy effectively to can solve the bulky problem of lock core among the prior art effectively. Moreover, the concealment of the limiting assembly 40 can be improved, and the limiting assembly 40 can be driven only by providing radial acting force in the unlocking process. Therefore, for conventional lock core unblock through horizontal effort or rotation effort at the unblock in-process, can also improve the technical unblock degree of difficulty of lock core through setting up like this, make the lock core in this application more difficult to crack to improve the security performance of lock core effectively.

It should be noted that, in the present application, the movement directions of the limiting assembly 40 and the locking assembly 30 are perpendicular to each other.

It should be noted that the edge of the lock cylinder 20 facing the end where the unlocking key 60 is inserted has a stop protrusion, and the lock case 10 is sleeved outside the lock cylinder 20 and abuts against the stop protrusion.

As shown in fig. 1, 5 and 9, the restricting assembly 40 includes an authorizing cylinder 41, a first sensing member 42 and a first restoring member 43. The authorization pin 41 has a relief slot 411; the first sensing piece 42 is arranged on one side of the authorized marble 41 far away from the side wall of the lock cylinder 20, and the first sensing piece 42 can sense the unlocking key 60; the first resetting piece 43 is arranged inside the lock cylinder 20 to provide resetting force for switching the authorization pin 41 from the abdicating position to the limiting position; when the lock cylinder is in a locked state, the locking assembly 30 abuts against the part of the outer peripheral surface of the authorization pin 41 except the relief groove 411; when the unlocking key 60 is used for unlocking, the first sensing piece 42 senses the unlocking key 60 and drives the authorized marble 41 to move, so that the locking assembly 30 can enter the receding groove 411, and the locking assembly 30 can be switched from the locking position to the unlocking position.

In an embodiment of the present application, the top of the authorized marble 41 has a circular hole, and the authorized marble 41 has a hollow structure, so that the overall weight of the authorized marble 41 is effectively reduced, and it is ensured that the authorized marble 41 can move up and down along the radial direction of the cylinder core 20 when being acted by the first sensing element 42 or the first restoring element 43.

In addition, the lock core 20 further has a mounting hole, the authorized marble 41 can be placed into the lock core 20 through the mounting hole, and the round hole of the authorized marble 41 can be coaxial with the mounting hole. In this application, the lock core further includes a plug, the plug can cooperate with the mounting hole, and after the authorized marble 41 is installed inside the lock core 20, the mounting hole can be sealed through the cooperation of the plug and the mounting hole.

It should be noted that in one embodiment of the present application, the first sensing member 42 is fixedly connected to the authorization pin 41, so as to effectively ensure that the authorization pin 41 can move along with the first sensing member 42 when the first sensing member 42 senses with the unlocking key 60.

Specifically, the authorization pin 41 is in a column shape, and a yielding slot 411 is formed in a side wall of the column-shaped authorization pin 41.

In an embodiment of the present application, the authorizing cylinder 41 further has a groove for accommodating the first sensing element 42, and by such arrangement, the connection between the authorizing cylinder 41 and the first sensing element 42 can be ensured to be more compact, and further the lock cylinder can be ensured to be further miniaturized.

Optionally, the end of the authorization pin 41 adjacent to the lock case 10 has a stop ledge, and the end of the authorization pin 41 adjacent to the lock case 10 has a laterally projecting protrusion. Through setting up like this, can guarantee effectively that first piece 43 that resets can carry out the butt with authorizing pellet shot from a slingshot 41 to can guarantee effectively and prevent the stability of mistake lock core performance.

As shown in fig. 1, 5 and 9, the locking assembly 30 includes a locking member 31 and a second restoring member 32, and when the limiting assembly 40 is located at the limiting position, the authorization pin 41 abuts against the locking member 31; one end of the second reset piece 32 abuts against the locking piece 31, and the other end of the second reset piece 32 abuts against the lock cylinder 20, so that the locking piece 31 is provided with a reset force for switching from the unlocking position to the locking position. Can improve the theftproof performance of lock core effectively through the setting to because the both ends of second piece 32 that resets respectively with locking piece 31 and lock courage 20 butt, so not only can reduce the cost of manufacture of lock core like this, but also can guarantee effectively that the volume of lock core is littleer.

As shown in fig. 1, the locking member 31 has a positioning column 311, and the second resetting member 32 is sleeved on the positioning column 311 to abut against the locking member 31. Through setting up reference column 311, can guarantee effectively that the second resets the one end of piece 32 and locking piece 31 butt and can not break away from with locking piece 31 to the setting can also guarantee that locking piece 31 resets the in-process of piece 32 at the extrusion second like this, and the second resets 32 and locking piece 31 can not appear the skew, thereby guarantees the stability that locking piece 31 and second reset between the piece 32.

As shown in fig. 5 and 9, the side of the locking member 31 protruding into the latching groove 11 has a guide slope 312. With the arrangement, after the limiting component 40 releases the limiting on the locking component 30, when the locking component 30 is switched from the locking position to the unlocking position, the lock cylinder 20 can be driven to rotate by the key, so that the part of the locking piece 31 extending into the locking groove 11 can be withdrawn from the locking groove 11 under the action of the guide inclined surface 312, the locking component 30 is switched to the unlocking position, and the unlocking of the lock cylinder can be completed. In addition, when the lock cylinder is locked, the locking piece 31 can be more smoothly inserted into the locking groove 11, and the stability of the lock cylinder can be effectively ensured.

As shown in fig. 5, 6, 9 and 10, a side of the locking member 31 close to the authorization pin 41 has a protruding portion 313, and when the limiting assembly 40 is switched from the limiting position to the avoiding position, at least a part of the protruding portion 313 can protrude into the avoiding groove 411. With this arrangement, it is effectively ensured that the position limiting assembly 40 can limit the position of the locking assembly 30 by limiting the position of the protrusion 313.

As shown in fig. 1, the outer sidewall of the cylinder core 20 has a positioning through hole 21, two locking grooves 12, and a locking assembly 50 includes a locking blade 51 and a third returning member 52. The number of the locking blades 51 is multiple, the locking blades 51 are divided into two groups, when the lock cylinder is in a locking state, the two groups of locking blades 51 respectively extend out from two ends of the positioning through hole 21 and respectively enter the two locking grooves 12; the third returning member 52 is provided in plurality, the plurality of third returning members 52 respectively correspond to the plurality of locking blades 51 one by one, one end of the third returning member 52 abuts against the locking blade 51, and the other end of the third returning member 52 abuts against the cylinder core 20. With this arrangement, when the lock cylinder is unlocked by the unlocking key 60, the locking blade 51 can be withdrawn from the locking groove 12 and press the third restoring member 52, so that the cylinder core 20 can be rotated relative to the lock case 10. When the lock cylinder is switched from the unlocked state to the locked state, the locking blade 51 can be inserted into the locking groove 12 by the restoring force of the third restoring member 52.

In one embodiment of the present application, the outer side wall of the lock case 10 has two openings to form two locking slots 12.

As shown in fig. 1, in one embodiment of the present application, two sets of locking blades 51 are the same in number, the positioning through hole 21 has a plurality of sub through holes 211 arranged at intervals, the number of the sub through holes 211 is the same as that of the locking blades 51 in each set, and the locking blades 51 in the same set are respectively located in different sub through holes 211, and two locking blades 51 in the same sub through hole 211 are overlapped. Through setting up like this, at the in-process of a plurality of shutting blades 51 motion, can reduce the resistance between a plurality of shutting blades 51 effectively to can also avoid appearing colliding between a plurality of shutting blades 51, and then more smooth and easy when using unblock key 60 to unblock or lock the lock core, and guarantee the performance of lock core.

As shown in fig. 3, the locking blade 51 includes a key notch 511 and a driving part 512, the key notch 511 being provided along a length direction of the locking blade 51; the driving portion 512 is provided in the key notch 511 and extends toward the opening direction of the key notch 511, and the lock release key 60 can pass through the key notch 511 and press the driving portion 512 to withdraw the lock blade 51 from the lock groove 12. Note that, in the present application, the portion of the lock key 60 inserted into the key cylinder has an unlocking groove that engages with the driver 512. When the unlocking key 60 is inserted into the key cylinder and unlocks the key cylinder, a portion of the unlocking key 60 inserted into the key cylinder can sequentially pass through the key notches 511 of the plurality of locking blades 51, and the unlocking groove can be engaged with the driving part 512 during passing through the key notches 511, so that the locking blades 51 can be withdrawn from the locking groove 12. Therefore, after the unlocking key 60 passes through the key notches 511 of all the lock blades 51, all the lock blades 51 can exit the lock groove 12, and the cylinder core 20 can be rotated relative to the lock case 10.

In a specific embodiment of the present application, the locking member 31 is also constituted by the locking blade 51, but the locking blade 51 constituting the locking member 31 has a protrusion 313 with respect to the other locking blade 51, and the protrusion 313 is provided on a side away from the other locking blade 51. Further, the locking blade 51 constituting the locking member 31 does not have the driving portion 512.

In particular, the locking blade 51 further includes a guide 513 and an identification structure 514 disposed at an end of the locking blade 51 proximate the lock case 10. The third restoring member 52 is fitted over the guide part 513 to abut against the locking blade 51. The identification structure 514 of different locking blades 51 is different. By providing the guide 513, a stable connection between the third reset element 52 and the locking blade 51 can be effectively ensured, while by providing the identification structure 514, different locking blades 51 can be distinguished.

Specifically, when the key cylinder is in the locked state, the driving portion 512 of at least one of the plurality of locking blades 51 is not collinear with the driving portions 512 of the other locking blades 51. Through setting up like this, can guarantee only to use corresponding unblock key 60 can just unlock the lock core to can improve the theftproof performance of lock core.

As shown in fig. 1, the lock cylinder further includes a second sensing member 70, a wireless chip 80, and a rotary lug 90. The second sensing piece 70 is arranged at one end of the lock shell 10 close to the key insertion opening of the lock cylinder 20, and when the lock cylinder is switched from the locking state to the unlocking state, the second sensing piece 70 can sense the unlocking key 60, so that the unlocking key 60 can obtain the unlocking state information of the lock cylinder; the wireless code sheet 80 is arranged on one side of the lock liner 20 close to the second sensing piece 70, and the wireless code sheet 80 can be read by the unlocking key 60, so that the unlocking key 60 can sense the first sensing piece 42 of the limiting assembly 40; the rotary lug 90 is arranged on one side of the lock core 20 far away from the wireless code sheet 80, the lock core 20 can drive the rotary lug 90 to rotate so as to unlock or lock a lockset provided with a lock cylinder, and the diameter of the rotary lug 90 is larger than the inner diameter of the lock shell 10.

In one embodiment of the present application, the key insertion opening is eccentrically located on the cylinder core 20. The key insertion opening is arranged at a certain distance from the axis of the lock cylinder 20, so that the design can have the accommodating space of the wireless code piece 80, and the special structural form of the locking blade 51 is determined.

As shown in fig. 1, the lock cylinder further includes a dust-proof assembly 100, and the dust-proof assembly 100 includes a dust-proof plate 110, a rotating shaft 120, a dust-proof sheet 130 and a dust-proof reset piece 140. The dust guard 110 is covered at one end of the lock case 10 close to the key insertion opening of the lock core 20, and the dust guard 110 is provided with a through hole corresponding to the key insertion opening; the rotating shaft 120 is arranged at one side of the dust guard 110 close to the lock shell 10; the dust-proof sheet 130 is arranged at the through hole, and the dust-proof sheet 130 is connected with the dust-proof plate 110 through the rotating shaft 120, so that the dust-proof sheet 130 can rotate relative to the dust-proof plate 110; the dust-proof reset piece 140 is sleeved on the rotating shaft 120 to provide a reset force for the dust-proof sheet 130.

As shown in fig. 8, the unlocking key 60 includes a third induction member 61, a driving element, a code reading coil 63, and a fourth induction member 64. The third sensing member 61 can sense the first sensing member 42 of the lock cylinder limiting assembly 40 of the lock; the driving element can drive the third sensing part 61 to approach or separate from the first sensing part 42, so that the third sensing part 61 senses or disconnects from the first sensing part 42; the code reading coil 63 can sense the wireless code chip 80 of the lock cylinder and control the driving element to drive the third sensing part 61; the fourth sensing member 64 is capable of sensing with the second sensing member 70 of the lock cylinder.

In one embodiment of the present application, the first sensing element 42, the second sensing element 70 and the third sensing element 61 are all magnetic steels, and the fourth sensing element 64 is a hall element.

When the lock cylinder in the present application is locked, one end of the locking blade 51 extends into the locking slot 12 under the spring force of the third reset element 52, and the locking blade 51 stops the relative rotation of the cylinder core 20 and the lock shell 10, so that the lock cylinder is kept in a locked state. The authorized marble 41 is abutted against the lower end face of the plug of the lock core 20 under the action of the first reset piece 43, the locking piece 31 is clamped in the locking groove 11 of the lock shell 10 under the action of the second reset piece 32, and the outer surface of the authorized marble 41 is stopped on the backward path of the extension 313, so that the locking piece 31 is stopped to be disengaged from the locking groove 11, and the lock core 20 and the lock shell 10 cannot rotate relatively.

When the lock core in the present application is unlocked, when the unlocking key 60 is inserted into the lock core, the key rod is inserted into the through hole of the dust cover, the key rod pushes the dust-proof sheet 130 to rotate around the rotating shaft 120, and the key rod enters the key slot of the lock core 20; the unlocking key 60 is completely inserted into the key socket, the unlocking groove of the unlocking key 60 drives the driving part 512 to move, so that the locking blades 51 are driven to move in the lock cylinder 20, until all the locking blades 51 are withdrawn from the locking groove 11 of the lock shell 10, so that the locking assembly 50 unlocks the lock shell 10 and the lock cylinder 20, the code reading coil 63 of the unlocking key 60 reads the code value of the wireless code chip 80, after the verification is passed, the unlocking key 60 supplies power to the driving element, the driving element drives the third sensing element 61 to move towards the lock cylinder, the third sensing element 61 attracts the first sensing element 42, so that the authorized marble 41 is driven to move, the unlocking key 60 is rotated, the protrusion 313 of the locking element 31 is clamped in the abdicating groove 411, the locking element 31 is withdrawn from the locking groove 11 and retracted into the lock cylinder 20, and the limiting component 40 removes the limit of the locking assembly 30. At this time, the fourth sensing member 64 corresponds to the second sensing member 70, and the unlocking key 60 detects a position change of the second sensing member 70 through the fourth sensing member 64, thereby determining that the lock cylinder is rotated from the locked state to the unlocked state.

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

1. the limiting assembly 40 is arranged along the radial direction of the lock shell 10, so that the safety performance of the lock cylinder is effectively guaranteed, and the lock cylinder is difficult to crack;

2. the anti-theft performance of the lock cylinder is improved through electronic locking and mechanical locking;

3. the limiting assembly 40 is arranged along the radial direction of the lock shell 10 and the locking blade 51 is arranged inside the lock cylinder 20, so that the internal structure of the lock cylinder is more compact, and the problem of large volume of the lock cylinder is effectively solved.

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 drawings described above 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 (17)

1. A lock cylinder, comprising:

the lock shell (10), the inner side wall of the lock shell (10) is provided with a locking groove (11);

the lock core (20), at least one part of the lock core (20) extends into the lock shell (10), and the lock core (20) can rotate relative to the lock shell (10);

the locking component (30) is embedded in the lock core (20) and arranged along the length direction of the lock core (20), the locking component (30) can extend into the locking groove (11) from the lock core (20) to lock the lock core (20), and the locking component (30) has a locking position and an unlocking position;

the limiting assembly (40) is arranged inside the lock cylinder (20) and limits the locking assembly (30), and the limiting assembly (40) is provided with a limiting position and a yielding position so that the locking assembly (30) can be switched between the locking position and the unlocking position;

the lock shell (10) is also provided with a locking groove (12), the locking assembly (50) is movably arranged along the radial direction of the lock core (20), at least one part of the locking assembly (50) can extend out of the lock core (20) and enter the locking groove (12) to keep locking between the lock shell (10) and the lock core (20), when the locking assembly (50) exits the locking groove (12) and the limiting assembly (40) is located at the abdicating position, the limiting assembly (40) releases the limiting on the locking assembly (30), and the locking assembly (30) can move towards the inside of the lock core (20) and is switched from the locking position to the unlocking position;

when the lock cylinder is in a locking state, the limiting component (40) is in the limiting position, at least one part of the locking component (30) is located in the locking groove (11) by the limiting component (40), the locking component (30) is in the locking position, at least one part of the locking component (50) extends into the locking groove (12), and the lock core (20) and the lock shell (10) are locked;

when the lock core is unlocked by using an unlocking key (60), the unlocking key (60) drives the locking component (50) to move, the locking component (50) exits from the locking groove (12), the limiting component (40) and the unlocking key (60) sense and are switched to the abdicating position by the limiting position, the locking component (30) can exit from the locking groove (11) so that the locking component (30) is switched to the unlocking position from the locking position and is clamped with the limiting component (40) so that the limiting component (40) is kept at the abdicating position, the lock core is switched to the unlocking state from the locking state, and the lock core (20) can rotate relative to the lock shell (10);

the stop assembly (40) comprises: an authorization pin (41), the authorization pin (41) having a relief slot (411); the first sensing piece (42) is arranged on one side, away from the side wall of the lock cylinder (20), of the authorization pin (41), and the first sensing piece (42) can sense the unlocking key (60); the first resetting piece (43) is arranged inside the lock cylinder (20) to provide resetting force for switching the authorization pin (41) from the abdicating position to the limiting position; when the lock cylinder is in the locking state, the locking assembly (30) is abutted with the part of the outer peripheral surface of the authorization pin (41) except the abdicating groove (411); when the unlocking key (60) is used for unlocking, the first sensing piece (42) senses and drives the authorized marble (41) to move with the unlocking key (60), so that the locking assembly (30) can enter the abdicating groove (411), and the locking assembly (30) can be switched to the unlocking position from the locking position.

2. Lock cylinder according to claim 1, characterized in that at least a part of the limiting assembly (40) is moved in the radial direction of the lock housing (10) to limit the locking assembly (30), and in that the direction of movement of the limiting assembly (40) and the direction of movement of the locking assembly (30) are perpendicular to each other.

3. Lock cylinder according to claim 1, characterized in that the authorization pin (41) is cylindrical,

the side wall of the columnar authorization marble (41) is provided with the abdicating groove (411); and/or

One end of the authorization marble (41) close to the lock shell (10) is provided with a stop convex edge; and/or

One end of the authorization pin (41) close to the lock shell (10) is provided with a lug which extends transversely.

4. Lock cylinder according to claim 1, characterized in that the locking assembly (30) comprises:

a locking member (31), the authorization pin (41) abutting the locking member (31) when the position limiting assembly (40) is in the position limiting position;

the second resets piece (32), the one end of second resets piece (32) with locking piece (31) butt, the other end of second resets piece (32) with lock courage (20) butt, for locking piece (31) provide by the unblock position switches to the reset force of shutting the position.

5. The lock cylinder according to claim 4,

the locking piece (31) is provided with a positioning column (311), and the second resetting piece (32) is sleeved on the positioning column (311) to be abutted against the locking piece (31); and/or

The side of the locking piece (31) extending into the locking groove (11) is provided with a guide inclined surface (312).

6. The lock cylinder according to claim 4, characterized in that one side of the locking piece (31) close to the authorized pin (41) has a protrusion (313), and when the check assembly (40) is switched from the check position to the abdicating position, at least a part of the protrusion (313) can protrude into the abdicating groove (411).

7. The lock cylinder according to any one of claims 1 to 6, characterized in that the outer side wall of the cylinder core (20) has a positioning through hole (21), the locking grooves (12) are two, and the locking assembly (50) comprises:

the locking device comprises a plurality of locking blades (51), the locking blades (51) are divided into two groups, and when the lock cylinder is in the locking state, the two groups of locking blades (51) respectively extend out of two ends of the positioning through hole (21) and respectively enter the two locking grooves (12);

the third resets (52), the third resets (52) are a plurality of, and a plurality of the third resets (52) respectively with a plurality of shutting blade (51) one-to-one, the one end of third resets (52) with shutting blade (51) butt, the other end of third resets (52) with lock courage (20) butt.

8. The lock core according to claim 7, characterized in that the number of the two sets of locking blades (51) is the same, the positioning through hole (21) has a plurality of sub through holes (211) arranged at intervals, the number of the sub through holes (211) is the same as the number of the locking blades (51) of each set, and the locking blades (51) of the same set are respectively located in different sub through holes (211), and two locking blades (51) in the same sub through hole (211) are overlapped.

9. Lock core according to claim 7 characterized in that said locking blade (51) comprises:

a key notch (511), the key notch (511) being provided along a length direction of the locking blade (51);

the driving part (512) is arranged in the key notch (511) and extends towards the opening direction of the key notch (511), and the unlocking key (60) can penetrate through the key notch (511) and press the driving part (512) to enable the locking blade (51) to exit the locking groove (12).

10. Lock core according to claim 9, characterized in that the locking blade (51) further comprises, arranged at the end of the locking blade (51) close to the lock case (10):

a guide part (513), wherein the third resetting piece (52) is sleeved on the guide part (513) to be abutted against the locking blade (51); and/or

An identification structure (514), said identification structure (514) being different for different said blocking blades (51).

11. The lock cylinder according to claim 9, characterized in that the drive (512) of at least one of the locking blades (51) of the plurality of locking blades (51) is not collinear with the drive (512) of the other locking blades (51) when the lock cylinder is in the locked state.

12. The lock cylinder according to any one of claims 1 to 6, characterized in that it further comprises:

the second sensing piece (70) is arranged at one end, close to a key inserting opening of the lock cylinder (20), of the lock shell (10), and when the lock cylinder is switched from the locking state to the unlocking state, the second sensing piece (70) can sense the unlocking key (60) and enable the unlocking key (60) to obtain unlocking state information of the lock cylinder;

the wireless code sheet (80) is arranged on one side, close to the second sensing piece (70), of the lock cylinder (20), and the wireless code sheet (80) can be read by the unlocking key (60) so that the unlocking key (60) can sense the first sensing piece (42) of the limiting assembly (40);

the rotary lug (90), rotary lug (90) set up lock courage (20) are kept away from one side of wireless chip piece (80), lock courage (20) can drive rotary lug (90) rotate to install the tool to lock of lock core is unblock or is locked, just the diameter of rotary lug (90) is greater than the internal diameter of lock shell (10).

13. Lock core according to claim 12, characterized in that the key insertion opening is arranged eccentrically on the cylinder core (20).

14. The lock cylinder according to any one of claims 1 to 6, characterized in that it further comprises a dust-proof assembly (100), said dust-proof assembly (100) comprising:

the dustproof plate (110) is arranged at one end, close to a key insertion opening of the lock cylinder (20), of the lock shell (10) in a covering mode, and the dustproof plate (110) is provided with a through hole corresponding to the key insertion opening;

the rotating shaft (120), the rotating shaft (120) is arranged on one side of the dust guard (110) close to the lock shell (10);

the dustproof sheet (130) is arranged at the through hole, and the dustproof sheet (130) is connected with the dustproof plate (110) through the rotating shaft (120) so that the dustproof sheet (130) can rotate relative to the dustproof plate (110);

dustproof piece (140) that resets, dustproof piece (140) that resets is established the pivot (120) are gone up for dustproof piece (130) provide the power that resets.

15. A lock comprising a lock cylinder according to any one of claims 1 to 14.

16. A lock system, characterized in that it comprises an unlocking key (60) and a lock according to claim 15.

17. The locking system of claim 16, wherein the unlocking key (60) comprises:

a third sensing piece (61), wherein the third sensing piece (61) can sense a first sensing piece (42) of a limiting component (40) of a lock cylinder of the lock;

a driving element capable of driving the third sensing member (61) to approach or separate from the first sensing member (42) so as to enable the third sensing member (61) to sense or disconnect from the first sensing member (42);

a code reading coil (63), wherein the code reading coil (63) can sense the wireless code sheet (80) of the lock cylinder and control the driving element to drive the third sensing part (61);

a fourth sensing member (64), the fourth sensing member (64) being capable of sensing with a second sensing member (70) of the lock cylinder.

Images