CN211422140U - Lock core - Google Patents

Abstract

The utility model provides a lock core, include: a lock case; the lock cylinder is rotatably arranged in the lock shell; the locking blade is arc-shaped, is arranged on the outer edge of the lock cylinder along the circumferential direction of the lock cylinder, and moves between a blade locking position and a blade unlocking position along the circumferential direction of the lock cylinder under the driving of an unlocking key; the lock cylinder is movably arranged between the lock cylinder and the lock shell and moves between a lock position of the lock cylinder extending into the lock shell and an unlock position of the lock cylinder withdrawing from the lock shell; the driving motor is arranged in the lock liner and is positioned on the inner side of the locking blade; the cam is in driving connection with the driving motor and is provided with a concave part; the lock bolt is movably arranged between the lock cylinder and the lock shell and moves between a lock bolt locking position extending into the lock shell and a lock bolt unlocking position retreating out of the lock shell. The utility model provides a great problem of dual authentication lock core volume among the prior art.

Description

Lock core

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a lock core.

Background

The existing dual-authentication lock cylinder in the market is large in unlocking volume, long in overall length and not beneficial to miniaturization, mechanical and electronic independent control is mostly adopted, unlocking can be achieved only by unlocking one lock cylinder, a motor unlocking component is exposed in a key hole, a motor locking component can be unlocked by using a special mechanical tool, a door lock can be opened, the existing dual-authentication lock cylinder is low in safety, the unlocking motor locking component can be easily unlocked from the outside, and the anti-cracking performance is low.

Disclosure of Invention

A primary object of the present invention is to provide a lock cylinder to solve the problem of the prior art that the volume of the lock cylinder is large due to the double authentication.

In order to achieve the above object, the utility model provides a lock core, include: a lock case; the lock cylinder is rotatably arranged in the lock shell; the locking blade is arc-shaped, is arranged on the outer edge of the lock cylinder along the circumferential direction of the lock cylinder, and moves between a blade locking position and a blade unlocking position along the circumferential direction of the lock cylinder under the driving of an unlocking key; the lock side column is movably arranged between the lock liner and the lock shell, the lock side column moves between a side column locking position extending into the lock shell and a side column unlocking position retreating from the lock shell, when the locking blade is located at the blade locking position, the locking blade stops the lock side column and locks the lock side column at the side column locking position, when the locking blade is located at the blade unlocking position, the locking blade avoids the lock side column, and the lock side column can be switched to the side column unlocking position; the driving motor is arranged in the lock liner and is positioned on the inner side of the locking blade; the cam is in driving connection with the driving motor and is provided with a concave part, when the lockstitching column is located at the side column locking position, one part of the lockstitching column moves to a rotating path of the concave part to block the cam from rotating, when the lockstitching column is located at the side column unlocking position, the lockstitching column avoids the rotating path of the concave part, and the cam rotates under the driving of the driving motor; the cam stops the movement of the lock bolt when the concave part is misaligned with the lock bolt and locks the lock bolt in the lock bolt locking position, and the lock bolt can move to the lock bolt unlocking position when the concave part is aligned with the lock bolt driven by the driving motor.

Further, the lockpost has a projection extending in a direction approaching the cam, the projection stopping or avoiding a rotational path of the recess, and when the recess is rotated to a position aligned with the lock bolt, an outer edge of the recess is located on a movement path of the projection, and the projection presses the outer edge of the recess to drive the recess to be reset when it is reset.

Further, the extension has the cavity that supplies the cam to stretch into, and the uncovered setting in one side of cavity, the inner wall of cavity have the protruding portion, and when the lockpost was located side post latched position, the cavity was kept away from and has the movement clearance between the lateral wall of uncovered side and the cam, and the protruding portion is located the rotation route of concave part to hinder the cam rotation, when the lockpost was located side post unblock position, the cam went deep into the cavity, and the size of movement clearance reduces, and the protruding portion dodges the rotation of concave part.

Further, the locking blade is provided with a groove, the serging column is provided with a protrusion, when the locking blade is located at the blade locking position, the protrusion is staggered with the groove, the locking blade stops the movement of the serging column, when the locking blade is located at the blade unlocking position, the protrusion is aligned with the groove, the protrusion extends into the groove, and the serging column moves to the serging column unlocking position.

Furthermore, the inner wall of the groove is provided with a guide inclined plane, when the locking blade is reset, the guide inclined plane extrudes the protrusion and drives the protrusion to exit the groove, and the edge locking column moves to the edge column locking position.

Further, the lockpost includes: a side column body; the unlocking needle is arranged in a split mode with the side column body, the unlocking needle is provided with a protruding portion, and the side column body and the unlocking needle are provided with protrusions.

Further, the recess includes: the first concave part is matched with the serging column, and the serging column moves to a rotating path of the first concave part to block the cam from rotating; and the second concave part is positioned at different sections of the cam along the axial direction of the cam, the second concave part is matched with the lock bolt, and when the second concave part is aligned with the lock bolt, the lock bolt extends into the second concave part.

Further, the first recess and the second recess are located at different positions in the cam circumferential direction.

Furthermore, the lock core is provided with an unlocking hole for inserting an unlocking key, and the driving motor, the cam and the lock bolt are arranged separately from the unlocking hole.

Furthermore, the lock cylinder also comprises a matching assembly, the matching assembly is matched with the unlocking key, and the action of the driving motor is controlled after the matching is successful.

Further, the lock core still includes the side post piece that resets, and the both ends that the side post reset the piece respectively with lockrand post and lock courage butt to for the lockrand post provides the reset force that moves to side post unblock position.

Furthermore, the lock core still includes the set bar piece that resets, and the both ends of set bar piece that resets respectively with set bar and lock courage butt to for the set bar provides the reset force that moves to set bar latched position.

Use the technical scheme of the utility model, through setting the shutting blade to the arc, thereby make lock courage center department no longer occupy by the shutting blade, set up driving motor in the inboard of shutting blade, can utilize the space of saving out to set up driving motor, driving motor's setting needn't occupy the extra space of lock core like this, moreover, the diameter of lock core has been reduced, and the length of lock core has been reduced, the holistic volume of lock core has been reduced, can make the lock core do shorter, more meticulous, be favorable to the miniaturization of lock core. The lock core of this embodiment constitutes mechanical locking through shutting blade and catch, electronic locking is constituteed to cam and set bar, only when mechanical locking and electronic locking all unblock, the lock core just can unblock completely, the catch can be controlled the cam simultaneously, only when the catch moves when the catch unblock position, the cam just can rotate, only accomplish mechanical unlocking promptly, just can carry out electronic unlocking, and thus, when avoiding the lock core to receive external force vibrations or other illegal unblocks actions, the condition of the unexpected unblock of electronic locking, the security of improvement lock core. The use process of the lock core is as follows: when the lock cylinder is unlocked, the locking blade is located at the blade locking position, the lockage cylinder is located at the side cylinder locking position, one part of the lockage cylinder extends into the lock shell, the other part of the lockage cylinder is located in the lock liner, so that the rotation of the lock liner is limited, at the moment, the locking blade stops the movement of the lockage cylinder and locks the lockage cylinder, so that mechanical locking is realized, meanwhile, the lock bolt is located at the lock bolt locking position, one part of the lock bolt extends into the lock shell, the other part of the lock bolt is located in the lock liner, so that the rotation of the lock liner is limited, at the moment, the concave part on the cam is staggered with the lock bolt, the outer edge of the cam stops the movement of the lock bolt, the lock bolt is locked, and one part of the lockage cylinder moves to the rotating path of the concave part, at the moment, the driving motor cannot drive the cam; when the unlocking key unlocks the lock cylinder, the unlocking key drives the locking blade to rotate, the locking blade does not stop the movement of the lock cylinder, the lock cylinder moves to the side cylinder unlocking position, the lock cylinder exits from the lock shell to realize the initial unlocking of the lock cylinder, meanwhile, the lock cylinder does not stop the rotation of the cam, the cam rotates under the driving of the driving motor after the matching assembly is successfully matched, the concave part is aligned with the lock bolt, and the lock bolt can exit from the lock shell and move to the lock bolt unlocking position, so that the comprehensive unlocking of the lock cylinder is realized. When the lock core is pulled out by the unlocking key, the locking blade resets under the action of the blade spring when the lock core resets, the locking blade pushes the lockrand column to reset the lockrand column in the resetting process, the concave part is pushed in the resetting process of the lockrand column to enable the cam to reversely rotate to reset, the lock bolt resets under the action of the lock bolt resetting piece, the resetting process of the lock core does not need to be additionally moved by a driving motor, and the locking blade, the lockrand column, the cam and the lock bolt can all automatically reset.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 a schematic structural diagram of a lock cylinder of the present invention;

FIG. 2 is a schematic view of the lock blade and the lockpost of the lock cylinder of FIG. 1 in cooperation with an unlocking key;

FIG. 3 shows a side cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the lock cylinder of FIG. 1 showing the arrangement of the lockpost and cam in the side post locking position;

FIG. 5 is a schematic view of the lock cylinder of FIG. 1 showing the arrangement of the edge cylinder and cam in the edge cylinder unlocked position;

FIG. 6 is a schematic diagram showing the mating assembly of the lock cylinder of FIG. 1 mated with an unlocking key;

FIG. 7 is a schematic diagram showing the construction of the lockpost and cam of the lock cylinder of FIG. 1;

FIG. 8 is a schematic diagram of the latch core of FIG. 1 with the cam in the latch lock position;

FIG. 9 is a schematic diagram of the latch core of FIG. 1 with the cam in the latch release position; and

fig. 10 shows a schematic view of the lock cylinder of fig. 1, when the lock cylinder is reset, the lock cylinder drives the cam to reset.

Wherein the figures include the following reference numerals:

10. a lock case; 20. a lock liner; 21. unlocking the hole; 30. locking the blade; 31. a groove; 40. a lockage post; 41. a protruding portion; 411. a cavity; 412. a protrusion; 42. a protrusion; 43. a side column body; 44. unlocking the needle; 50. a drive motor; 60. a cam; 61. a first recess; 62. a second recess; 70. a lock bolt; 80. a matching component; 90. a side post return; 100. a lock bolt reset member; 110. and unlocking the key.

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 accompanying drawings in conjunction with embodiments.

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 application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; 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 great problem of dual authentication lock core volume among the prior art, the utility model provides a lock core.

A cylinder core shown in fig. 1 to 10 includes a lock case 10, a cylinder core 20, a locking blade 30, a serging cylinder 40, a driving motor 50, a cam 60 and a latch bolt 70, the cylinder core 20 being rotatably provided in the lock case 10; the locking blade 30 is arc-shaped, the locking blade 30 is arranged on the outer edge of the lock cylinder 20 along the circumferential direction of the lock cylinder 20, and moves between a blade locking position and a blade unlocking position along the circumferential direction of the lock cylinder 20 under the driving of the unlocking key 110; the lockstitch column 40 is movably arranged between the lock core 20 and the lock shell 10, the lockstitch column 40 moves between a lockstitch column locking position extending into the lock shell 10 and a lockstitch column unlocking position retreating from the lock shell 10, when the locking blade 30 is located at the blade locking position, the locking blade 30 stops the lockstitch column 40 and locks the lockstitch column 40 at the lockstitch column locking position, when the locking blade 30 is at the blade unlocking position, the locking blade 30 avoids the lockstitch column 40, and the lockstitch column 40 can be switched to the lockstitch column unlocking position; the driving motor 50 is arranged in the lock liner 20 and is positioned at the inner side of the locking blade 30; the cam 60 is in driving connection with the driving motor 50, the cam 60 is provided with a concave part, when the side locking column 40 is located at the side locking position, a part of the side locking column 40 moves to the rotating path of the concave part to block the cam 60 from rotating, when the side locking column 40 is located at the side unlocking position, the side locking column 40 avoids the rotating path of the concave part, and the cam 60 rotates under the driving of the driving motor 50; the latch 70 is movably disposed between the cylinder tube 20 and the lock case 10, the latch 70 moves between a latch locking position protruding into the lock case 10 and a latch unlocking position exiting the lock case 10, the cam 60 stops the movement of the latch 70 when the recess is misaligned with the latch 70 and locks the latch 70 in the latch locking position, and the latch 70 can move to the latch unlocking position when the recess is aligned with the latch 70 driven by the driving motor 50.

This embodiment is through setting the shutting blade 30 to the arc to make lock courage 20 center department no longer occupied by shutting blade 30, set up driving motor 50 in the inboard of shutting blade 30, can utilize the space of saving to set up driving motor 50, driving motor 50's setting needn't occupy the extra space of lock core like this, moreover, the lock core's diameter has been reduced, and the length of lock core has been reduced, the holistic volume of lock core has been reduced, can make the lock core do shorter, and is more meticulous, be favorable to the miniaturization of lock core. The lock core of this embodiment constitutes mechanical locking through shutting blade 30 and lock edge column 40, electronic locking is constituteed to cam 60 and set bar 70, only when mechanical locking and electronic locking all unblock, the lock core just can be unblock completely, lock edge column 40 can control cam 60 simultaneously, only when lock edge column 40 moves the edge column unblock position, cam 60 just can rotate, only accomplish mechanical unlocking promptly, just can carry out electronic unlocking, and like this, when avoiding the lock core to receive external force vibrations or other illegal unlocking actions, the condition of the unexpected unblock of electronic locking, improve the security of lock core. The use process of the lock core is as follows: when the lock core is not unlocked, the locking blade 30 is located at the blade locking position, the side locking column 40 is located at the side locking position, one part of the side locking column 40 extends into the lock shell 10, the other part is located in the lock liner 20, thereby restricting the rotation of the cylinder core 20, and at this time, the locking blade 30 stops the movement of the lockpost 40, locking the lockpost 40, thereby achieving mechanical locking while the bolt 70 is in the bolt locking position, with a portion of the bolt 70 extending into the lock housing 10, another portion of the bolt 70 being located within the cylinder core 20, thereby limiting the rotation of the cylinder core 20, when the recess of the cam 60 is misaligned with the latch 70, the outer rim of the cam 60 stops the movement of the latch 70, the latch 70 is locked, and a part of the lockstitch column 40 moves to the rotation path of the concave part, at this time, the driving motor 50 cannot drive the cam 60 to rotate, and thus electronic unlocking cannot be performed, so that control of mechanical locking on electronic locking is realized; when the unlocking key 110 unlocks the lock cylinder, the unlocking key 110 drives the locking blade 30 to rotate, the locking blade 30 does not stop the movement of the lock cylinder 40 any more, the lock cylinder 40 moves to the side cylinder unlocking position, the lock cylinder 40 exits from the lock case 10 to realize the initial unlocking of the lock cylinder, meanwhile, the lock cylinder 40 does not stop the rotation of the cam 60 any more, the cam 60 rotates under the driving of the driving motor 50 after the successful matching, so that the concave part is aligned with the lock bolt 70, and the lock bolt 70 exits from the lock case 10 and moves to the lock bolt unlocking position, thereby realizing the comprehensive unlocking of the lock cylinder.

As shown in fig. 4 and 5, the lockpost 40 has a protruding portion 41 extending in a direction approaching the cam 60, and the protruding portion 41 stops or avoids the rotation path of the concave portion.

Specifically, the driving motor 50 is disposed at the center of the cylinder core 20, the protruding portion 41 extends to the center of the cylinder core 20 in the radial direction of the key cylinder, the protruding portion 41 is approximately Y-shaped, and forms a semi-enclosed structure, the semi-enclosed structure has a cavity 411 for the cam 60 to extend into, one side of the cavity 411 is open, the inner wall of the cavity 411 has a protrusion 412, the protrusion 412 is used for stopping the rotation of the cam 60, when the side lock cylinder 40 is at the side lock cylinder locking position, the protrusion 41 moves towards the direction close to the center of the cylinder core 20, the cam 60 is close to the open side of the cavity 411, a moving gap is formed between the side wall of the cavity 411 far away from the open side and the cam 60, the protrusion 412 extends into the rotating path of the concave part, to block the rotation of the cam 60, referring to the direction in fig. 4, the bottom of the cavity 411 is open, the top wall is a side wall far away from the open side, and a movement gap is left between the top wall and the cam 60; when the side lock cylinder 40 is located at the side lock cylinder unlocking position, the protruding portion 41 moves in a direction away from the center of the lock cylinder 20, the cam 60 further enters the cavity 411 due to the movement of the protruding portion 41, the size of the movement gap is reduced, the protruding portion 412 avoids the rotation of the concave portion, the cam 60 freely rotates under the driving of the driving motor 50, referring to the direction in fig. 4, the protruding portion 41 moves downwards, the cam 60 enters the innermost position of the cavity 411 deeply, and the movement gap between the top wall and the cam 60 is reduced. When the recess is rotated to a position aligned with the latch 70, the outer edge of the recess is located on the moving path of the protruding part 41, and at this time, if the lock cylinder is reset, the protruding part 41 moves reversely to reset, and the movement of the protruding part 41 presses the outer edge of the recess, so that the recess is inverted, and the effect that the recess is automatically reset under the driving of the protruding part 41 is achieved. Of course, in addition to the above arrangement in which the protruding portion 41 is provided in a half-surrounded structure, the protruding portion 41 may be provided in a straight line shape, and the control of the cam 60 may be realized by the protruding portion 412 on the side of the straight line shape.

As shown in fig. 2 and 3, the outer edge of the locking blade 30 is provided with a groove 31, the serging post 40 is provided with a protrusion 42, when the locking blade 30 is located at the blade locking position, the protrusion 42 is dislocated from the groove 31, the locking blade 30 stops the movement of the serging post 40, when the locking blade 30 is driven by the unlocking key 110 to rotate along the axis of the cylinder barrel 20 to the blade unlocking position, the protrusion 42 is aligned with the groove 31, the protrusion 42 extends into the groove 31, so that the serging post 40 has a movement space, and the serging post 40 moves to the side post unlocking position, so that the serging post 10 is withdrawn, and the mechanical unlocking of the cylinder barrel 20 is realized.

Optionally, the inner wall of the groove 31 has a guiding slope, and the guiding slope inclines towards the direction close to the axis of the groove 31 in the direction away from the lock edge column 40, and correspondingly, the side wall of the protrusion 42 also has a slope matched with the guiding slope, so that when the lock cylinder is pulled out by the unlocking key 110, the locking blade 30 moves reversely under the action of the blade spring to reset, and during the movement of the locking blade 30, the guiding slope on the groove 31 presses the slope on the protrusion 42, so as to drive the protrusion 42 to exit the groove 31, the lock edge column 40 moves to the lock position of the edge column, and the lock edge column 40 extends into the lock case 10 again, so that the lock cylinder does not need to be powered on during resetting, and automatic resetting can be realized through a mechanical structure. Meanwhile, during the process of the side lock post 40 moving to the side lock position again, the protrusion 412 presses the concave portion to rotate the cam 60 in the opposite direction, as shown in fig. 10, thereby resetting the cam 60. The protrusion 42 and the groove 31 may be provided in a tapered shape or a ramp shape or the like having a slope.

As shown in fig. 1 and 2, the edge-locking cylinder 40 includes an edge-locking cylinder body 43 and an unlocking needle 44, the unlocking needle 44 and the edge-locking cylinder body 43 are separately provided, wherein the edge-locking cylinder 40 is in a straight shape and extends along the axial direction of the cylinder core 20, the unlocking needle 44 is in an L shape, one section of the L shape extends along the axial direction of the cylinder core 20, the other section extends along the radial direction of the cylinder core 20, the end of the unlocking needle 44 extending along the axial direction of the cylinder core 20 is engaged with one end of the edge-locking cylinder 40, the other end of the unlocking needle 44 extending along the radial direction of the cylinder core 20 is an extension 41 engaged with the cam 60, and the edge-locking cylinder body 43 and the unlocking needle 44 are provided with protrusions 42 on the sections extending along the axial direction of the cylinder core 20. In fact, the side post body 43 and the unlocking pin 44 are both moved synchronously, and are provided as separate parts, which is based on the consideration of manufacturing process, thereby reducing the processing difficulty and facilitating the processing of the side post 40. Of course, the side post body 43 and the unlocking pin 44 may be directly provided as one body.

As shown in fig. 3 and 4 and fig. 8 and 9, the recess includes a first recess 61 and a second recess 62, the first recess 61 is mainly engaged with the lockpost 40, and the protruding portion 41 of the lockpost 40 moves onto the rotational path of the first recess 61 to hinder the cam 60 from rotating; the second recess 62 is engaged with the latch 70, and when the second recess 62 is aligned with the latch 70, the latch 70 protrudes into the second recess 62, and the first recess 61 and the second recess 62 are located at different segments of the cam 60 in the axial direction of the cam 60. The cam 60 of the present embodiment is axially stepped, wherein the side surface of the small diameter section has a first concave portion 61 to be matched with the lockpost 40, and the side surface of the large diameter section has a second concave portion 62 to be matched with the lockpost 70, and the step shape is set so that the diameter of each position of the cam 60 is matched with the size of the protrusion 41 and the size of the lockpost 70, thereby ensuring the normal operation of the lock cylinder and reducing the whole size of the lock cylinder.

Alternatively, the first recess 61 and the second recess 62 are located at different positions in the circumferential direction of the cam 60. In the present embodiment, since the protrusion 412 of the protrusion 41 is located at the side, and the latch 70 is vertically disposed above the cam 60, when the lock cylinder is locked, the first recess 61 faces the side, and the second recess 62 does not face upward, and when the lock cylinder is unlocked, the first recess 61 rotates at a certain angle, and the second recess 62 rotates upward. Of course, the positional relationship between the first recess 61 and the second recess 62 may be set according to the positions of the protrusion 412 and the latch 70, as long as the first recess 61 faces the protrusion 412 and the second recess 62 does not face the latch 70 when the lock cylinder is locked, and when the lock cylinder is unlocked, the first recess 61 is rotated by a certain angle to be offset from the protrusion 412 and the second recess 62 is rotated to face the latch 70.

In addition to the above-described manner of providing the first recess 61 and the second recess 62, only one recess may be provided, i.e., the recess, engages both the protrusion 412 and the latch 70, e.g., the protrusion 412 of this embodiment is located on the side and the latch 70 is located in the vertical direction, with a 90 degree angle therebetween, thereby extending the recess in the axial direction of the cam 60 to the protrusion 412 and the latch 70, when the cylinder is locked, the recess faces sideways, the recess naturally misaligns with the latch 70 while facing the protrusion 412, the cam 60 stops the movement of the latch 70, when the lock cylinder is unlocked, the cam 60 is rotated 90 degrees and the recess is aligned with the lock bolt 70, which is naturally misaligned with the protrusion 412, and therefore, this arrangement also provides substantially the same technical effects as those of the first and second concave portions 61 and 62 described above, however, this arrangement requires the drive motor 50 to be driven when the cam 60 is reset. In order to realize the automatic reset of the cam 60, the position of the latch 70 may be adjusted on the basis, for example, according to the direction shown in fig. 4, the position of the protrusion 412 is kept unchanged, the latch 70 is arranged below the cam 60, when the lock cylinder is locked, the cam 60 rotates counterclockwise by about 90 degrees to the position where the recess is aligned with the latch 70 when the lock cylinder is unlocked, that is, the cam 60 is approximately at the position shown in fig. 10, at this time, the latch 70 is unlocked, and when the reset is required, the protrusion 412 can still press the outer edge of the recess to drive the cam 60 to rotate reversely to realize the automatic reset.

As shown in fig. 1, the cylinder core 20 has an unlocking hole 21 into which the unlocking key 110 is inserted, and a portion of the locking blade 30 needs to be disposed at the unlocking hole 21, so that the unlocking key 110 is inserted into the unlocking hole 21 to drive the locking blade 30 to rotate, and the driving motor 50, the cam 60, and the lock bolt 70 are disposed separately from the unlocking hole 21. Therefore, only relevant parts of mechanical locking are arranged in the unlocking hole 21, parts such as the driving motor 50 of electronic locking are not involved, when the lock cylinder is pried, foreign matters enter from the unlocking hole 21 and then cannot touch the parts of electronic locking, and the driving motor 50 and the cam 60 cannot be shifted to move, so that the safety of the lock cylinder is further improved.

Since the locking blade 30 of the present embodiment is disposed in an arc shape and at the outer edge of the cylinder core 20, the unlocking hole 21 is disposed at a position close to the edge of the end surface of the cylinder core 20, rather than at the center, so that the locking blade 30 can be located in the unlocking hole 21 and the unlocking key 110 can drive the locking blade 30 to move through the unlocking hole 21.

The locking blade 30 of the present embodiment is provided with a plurality of locking blades, one part of the locking blades 30 is arranged along the axial direction of the lock cylinder, the other part of the locking blades 30 is arranged in pairs and is respectively arranged at two opposite sides of the lock cylinder 20, the unlocking key 110 presses the locking blades 30 at two sides of the lock cylinder 20, so that the rotation directions of the locking blades 30 at two sides are opposite, when the shape formed by the grooves 31 of all the locking blades 30 is the same as the shape of the protrusions 42 on the serging post 40, the serging post 40 can move freely to realize mechanical unlocking, and the lock cylinder can keep mechanical locking as long as one locking blade 30 does not move to the blade unlocking position. For the convenience of processing, the protrusion 42 of the present embodiment is in a straight line shape, and accordingly, when the groove 31 of each locking vane 30 is formed in a straight line, the protrusion 42 can be inserted into the groove 31. Of course, other shapes such as a bent shape and a streamline shape may be provided.

As shown in fig. 1 and 6, the lock cylinder further includes a matching assembly 80, the matching assembly 80 can be matched with the unlocking key 110, the matching assembly 80 includes a probe, the unlocking key 110 has a contact, when the unlocking key 110 is inserted into the lock cylinder, the probe is in contact communication with the contact for matching, if the matching fails, the unlocking key 110 does not supply power to the driving motor 50, the cam 60 does not rotate, the latch 70 is kept in the latch locking position, the lock cylinder is kept electrically locked, if the matching succeeds, the unlocking key 110 supplies power to the driving motor 50, the driving motor 50 drives the cam 60 to rotate, the second recess 62 is aligned with the latch 70, and the electronic unlocking can be realized when the latch 70 moves to the latch unlocking position.

As shown in fig. 4 and 5, the lock cylinder further includes a side post resetting member 90, the side post resetting member 90 is preferably a linear spring, and two ends of the side post resetting member 90 are respectively abutted to the side post 40 and the lock cylinder 20, so that when the locking blade 30 moves to the blade unlocking position, the groove 31 is aligned with the protrusion 42, and the side post 40 automatically moves to the side post unlocking position under the action of the side post resetting member 90, thereby realizing mechanical unlocking. The end of the lock cylinder 40 extending into the lock case 10 may be formed in various shapes such as a rectangular shape, a tapered shape, a truncated cone shape, etc.

As shown in fig. 8 and 9, the lock cylinder further includes a latch resetting member 100, the latch resetting member 100 is also preferably a linear spring, the latch resetting member 100 is sleeved on the latch 70, two ends of the latch resetting member 100 are respectively abutted against the latch 70 and the cylinder core 20, the latch resetting member 100 provides a resetting force for the latch 70 to move to the latch locking position, so that the latch 70 always has a movement tendency of extending into the lock case 10, and when the cylinder core 20 is reset in a reverse rotation mode, the latch 70 automatically extends into the lock case 10 under the action of the latch resetting member 100, so that automatic locking is realized. Since the bolt resetting piece 100 provides the bolt 70 with the resetting force of extending into the lock case 10, the resetting force of the bolt 70 out of the lock case 10 needs to depend on the extrusion of the lock case 10 on the bolt 70, in order to ensure the reliability of the extrusion, the end of the bolt 70 extending into the lock case 10 is provided with an extrusion inclined plane, and correspondingly, the groove body of the lock case 10 for accommodating the bolt 70 is also provided with an inclined plane, in this embodiment, the end of the bolt 70 extending into the lock case 10 is provided with an approximate hemisphere, the arc surface thereof forms the extrusion inclined plane, and the corresponding groove body on the lock case 10 is also in the same shape, so that when the second concave part 62 is aligned with the bolt 70, the lock core 20 is driven to rotate by the unlocking key 110, the inner wall of the groove body on the lock case 10 extrudes the extrusion inclined plane on the bolt 70, so that. Of course, the hemispherical shape may be replaced by a conical shape, a truncated cone shape, or the like.

It should be noted that, a plurality in the above embodiments means at least two.

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

1. the problem that the double-authentication lock cylinder in the prior art is large in size is solved;

2. the arc-shaped blade is adopted, so that the structure of the lock cylinder is compact, the integral volume of the lock cylinder is reduced, the lock cylinder can be made shorter and finer, and the miniaturization of the lock cylinder is facilitated;

3. the mechanical locking and the electronic locking are locked in a double mode, and the safety of the lock cylinder is higher;

4. the mechanical locking controls the electronic locking, and the situation that the electronic locking is unlocked accidentally when the lock cylinder is vibrated by external force or other illegal unlocking actions is avoided;

5. the automatic reset is realized through a mechanical structure, and the power is not needed to be supplied during reset, so that the energy is saved;

6. only related parts for mechanical locking are arranged in the unlocking hole, so that the condition that foreign matters enter from the unlocking hole to stir the driving motor and the cam to move is avoided, and technical cracking is avoided.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to 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 (12)

1. A lock cylinder, comprising:

a lock case (10);

the lock cylinder (20), the lock cylinder (20) is rotatably arranged in the lock shell (10);

the locking blade (30) is arc-shaped, the locking blade (30) is arranged on the outer edge of the lock cylinder (20) along the circumferential direction of the lock cylinder (20), and is driven by an unlocking key (110) to move between a blade locking position and a blade unlocking position along the circumferential direction of the lock cylinder (20);

the lock side column (40) is movably arranged between the lock liner (20) and the lock shell (10), the lock side column (40) moves between a side column locking position extending into the lock shell (10) and a side column unlocking position retreating from the lock shell (10), when the locking blade (30) is located at the blade locking position, the locking blade (30) stops the lock side column (40) and locks the lock side column (40) at the side column locking position, when the locking blade (30) is at the blade unlocking position, the locking blade (30) avoids the lock side column (40), and the lock side column (40) can be switched to the side column unlocking position;

the driving motor (50) is arranged in the lock cylinder (20) and is positioned on the inner side of the locking blade (30);

a cam (60), wherein the cam (60) is in driving connection with the driving motor (50), the cam (60) is provided with a concave part, when the side edge locking column (40) is located at the side edge locking position, a part of the side edge locking column (40) moves to the rotation path of the concave part to block the cam (60) from rotating, when the side edge locking column (40) is located at the side edge unlocking position, the side edge locking column (40) avoids the rotation path of the concave part, and the cam (60) rotates under the driving of the driving motor (50);

the lock bolt (70) is movably arranged between the lock liner (20) and the lock shell (10), the lock bolt (70) moves between a lock bolt locking position extending into the lock shell (10) and a lock bolt unlocking position exiting from the lock shell (10), when the concave part is dislocated with the lock bolt (70), the cam (60) stops the movement of the lock bolt (70) and locks the lock bolt (70) at the lock bolt locking position, and when the concave part is driven by the driving motor (50) to be aligned with the lock bolt (70), the lock bolt (70) can move to the lock bolt unlocking position.

2. The lock cylinder according to claim 1, characterized in that the edge stud (40) has a projection (41) extending in a direction approaching the cam (60), the projection (41) stopping or avoiding a path of rotation of the recess, and when the recess is rotated to a position aligned with the latch (70), an outer edge of the recess is located on a path of movement of the projection (41), and the projection (41) presses the outer edge of the recess to drive the recess to be reset when it is reset.

3. The lock cylinder according to claim 2, characterized in that the protruding portion (41) has a cavity (411) for the cam (60) to protrude into, one side of the cavity (411) is open, the inner wall of the cavity (411) has a protrusion (412), when the side lock cylinder (40) is in the side lock position, a movement gap is formed between the side wall of the cavity (411) away from the open side and the cam (60), the protrusion (412) is located on the rotation path of the recess to block the cam (60) from rotating, when the side lock cylinder (40) is in the side lock position, the cam (60) penetrates into the cavity (411), the size of the movement gap is reduced, and the protrusion (412) avoids the rotation of the recess.

4. The lock core according to claim 2, wherein the locking blade (30) has a recess (31), the sidebar (40) has a projection (42), the projection (42) is misaligned with the recess (31) when the locking blade (30) is in the blade locking position, the locking blade (30) stops the movement of the sidebar (40), the projection (42) is aligned with the recess (31) when the locking blade (30) is in the blade unlocking position, the projection (42) protrudes into the recess (31), and the sidebar (40) moves to the sidebar unlocking position.

5. Lock core according to claim 4, characterized in that the inner wall of the recess (31) has guiding ramps, which when the locking blade (30) is reset, press against the protrusion (42) and drive the protrusion (42) out of the recess (31), the side cylinder (40) moving to the side cylinder locking position.

6. Lock cylinder according to claim 4, characterized in that the lockpost (40) comprises:

a side column body (43);

the unlocking needle (44), the unlocking needle (44) and the side column body (43) are arranged in a split mode, the unlocking needle (44) is provided with the extending portion (41), and the side column body (43) and the unlocking needle (44) are provided with the protrusion (42).

7. The lock core of claim 1, wherein the recess comprises:

a first recess (61), the first recess (61) cooperating with the lockpost (40), the lockpost (40) moving onto a rotational path of the first recess (61) to hinder the cam (60) from rotating;

a second recess (62), the first recess (61) and the second recess (62) being located at different sections of the cam (60) in an axial direction of the cam (60), the second recess (62) being engaged with the latch (70), the latch (70) protruding into the second recess (62) when the second recess (62) is aligned with the latch (70).

8. Lock cylinder according to claim 7, characterized in that the first recess (61) and the second recess (62) are located at different positions in the circumferential direction of the cam (60).

9. The lock cylinder according to claim 1, wherein the cylinder core (20) has an unlocking hole (21) into which the unlocking key (110) is inserted, and the driving motor (50), the cam (60) and the plug (70) are all provided separately from the unlocking hole (21).

10. The lock cylinder according to claim 1, characterized in that it further comprises a matching assembly (80), said matching assembly (80) being matched with said unlocking key (110) and controlling the actuation of said drive motor (50) after a successful matching.

11. The lock core according to claim 1, characterized in that, the lock core further comprises a side post resetting piece (90), and two ends of the side post resetting piece (90) are respectively abutted with the lock side post (40) and the lock core (20) and provide a resetting force for the lock side post (40) to move to the side post unlocking position.

12. The lock core according to claim 1, characterized in that, the lock core further comprises a latch resetting piece (100), and both ends of the latch resetting piece (100) are respectively abutted with the latch (70) and the cylinder core (20) and provide a resetting force for the latch (70) to move to the latch locking position.

Images