CN211422139U - Lock core and unlocking key - Google Patents

Abstract

The utility model provides a lock core and unblock key. Wherein, the lock core includes: a lock case; a lock liner; a master blade that switches between a master locking position and a master unlocking position; the sub-blade is embedded on the female blade and moves along with the female blade, and can be switched between a sub-blade locking position and a sub-blade unlocking position relative to the female blade; the lock bolt is switched between a lock bolt locking position extending into the lock shell and a lock bolt unlocking position exiting from the lock shell, when the mother blade is located at the mother blade locking position and/or the child blade is located at the child blade locking position, the mother blade and/or the child blade stops the movement of the lock bolt and locks the lock bolt at the lock bolt locking position, when the mother blade and the child blade are driven by the unlocking key to respectively move to the mother blade unlocking position and the child blade unlocking position, the mother blade and the child blade both avoid the lock bolt, and the lock bolt can move to the lock bolt unlocking position. The utility model provides a low problem of security of lock core among the prior art.

Description

Lock core and unlocking key

Technical Field

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

Background

The blade of general lock core adopts single sheet metal component structure, has side column groove and blade tooth in the blade, and single blade grade difference is limited with the progression, and its secret key volume is also correspondingly limited, and the technical opening degree of difficulty is little, and the security of lock core is not high.

Disclosure of Invention

A primary object of the present invention is to provide a lock cylinder and an unlocking key to solve the problem of the low security of the lock cylinder in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a lock cylinder, including: a lock case; the lock cylinder is rotatably arranged in the lock shell; the female blade is movably arranged in the lock cylinder and can be switched between a female piece locking position and a female piece unlocking position; the sub-blade is embedded on the female blade and moves along with the female blade, is movably arranged relative to the female blade, and can be switched between a sub-blade locking position and a sub-blade unlocking position relative to the female blade; the lock bolt is movably arranged between the lock shell and the lock liner and can be switched between a lock bolt locking position extending into the lock shell and a lock bolt unlocking position exiting from the lock shell, when the mother blade is located at the mother blade locking position and/or the child blade is located at the child blade locking position, the mother blade and/or the child blade stops the movement of the lock bolt and locks the lock bolt at the lock bolt locking position, the lock cylinder is locked, when the mother blade and the child blade are driven by the unlocking key to respectively move to the mother blade unlocking position and the child blade unlocking position, the mother blade and the child blade both avoid the lock bolt, the lock bolt can move to the lock bolt unlocking position, and the lock bolt is unlocked.

Further, the female blade is provided with a female groove, the sub-blade is provided with a sub-groove, the lock bolt is provided with a protrusion, when the female blade is located at the female blade locking position and/or the sub-blade is located at the sub-blade locking position, the female groove and/or the sub-groove are/is staggered with the protrusion to stop the movement of the lock bolt, when the female blade is located at the female blade unlocking position and the sub-blade is located at the sub-blade unlocking position, the female groove and the sub-groove are aligned with the protrusion, the protrusion extends into the female groove and the sub-groove, and the lock bolt moves to the lock bolt.

Further, the size of the female groove is the same as that of the male groove, and when the female blade is located at the female unlocking position and the male blade is located at the male unlocking position, the male groove and the female groove are aligned and overlapped.

Further, the lock core still includes sub-piece that resets, and the both ends of sub-piece reset respectively with female blade and sub-blade butt to for sub-blade provides the reset force of moving to sub-piece latched position.

Further, the lock core still includes the master piece that resets, and the both ends that the master piece resets respectively with lock courage and female blade butt to for the female blade provides the reset force to the motion of master piece latched position, and the son piece resets and resets the reset force of son blade and the master piece and reset the opposite direction or the same to the two of the reset force of master blade.

Further, the female blade and the male blade further comprise a driving part, and the unlocking key presses a side wall of the driving part to drive the movement of the female blade and/or the male blade.

Further, the driving side of the female blade and the driving side of the male blade are respectively located on a side where the driving portion of the female blade and the driving portion of the male blade are away from each other, the unlocking key presses the driving portions, and drives the driving portions of the female blade and the male blade to move in a direction to approach each other.

Further, in the direction in which the female blade moves, a gap is formed between the drive portion of the female blade and the drive portion of the male blade, and the side of the gap serves as a drive side, and the unlocking key protrudes into the gap and drives the drive portion of the female blade and the drive portion of the male blade to move in the direction away from each other.

Furthermore, one end of the lock bolt extending into the lock shell is provided with an inclined surface, when the lock core is unlocked by the unlocking key, the unlocking key drives the lock cylinder to rotate, the lock shell extrudes the inclined surface, and the lock bolt is driven to move to the lock bolt unlocking position.

According to the utility model discloses a second aspect provides an unblock key for the foretell lock core of unblock, unblock key have the first unblock position of the mother's blade motion of drive lock core to and the second unblock position of the sub-blade motion of drive lock core, and when unblock key unblock lock core, the motion of the mother's blade of first unblock position drive, the motion of the sub-blade of second unblock position drive simultaneously.

Furthermore, the unlocking key is provided with an unlocking groove, and the first unlocking position and the second unlocking position are respectively positioned on two opposite sides of the unlocking groove, or the first unlocking position and the second unlocking position are positioned on the same side of the unlocking groove.

Furthermore, the unlocking key is provided with an unlocking protrusion, and two side walls opposite to the unlocking protrusion are respectively a first unlocking position and a second unlocking position.

Use the technical scheme of the utility model, through being provided with female blade and sub-blade, and correlation sets up between female blade and the sub-blade, the sub-blade inlays to be established on female blade, thereby make the motion of female blade take the active cell blade to move together, and the sub-blade also can move for female blade, when arbitrary person in female blade or sub-blade does not unblock in place, promptly when female blade is located female piece latched position and/or sub-blade is located sub-piece latched position, the set bar all is locked in set bar latched position, the lock core keeps the locking, only at the whole unblocks of female blade and sub-blade, promptly when female blade moves to female piece unlatched position and sub-blade moves to sub-piece unlatched position, the set bar just has the space of motion, the set bar moves to set bar unlatched position from set bar latched position, thereby realize the unblock of lock core. The sub-blades are additionally arranged on the basis of the original single blade, the sub-blades are embedded into the female blade, the sub-blades have independent blade level differences and levels, compared with the original single blade, the key amount of the sub-blades in the same blade number is multiplied, the key amount is greatly increased, the technical opening difficulty is increased, and meanwhile, the compatibility of the lock cylinder is greatly increased, and individual requirements of the lock cylinder on short and precise products and occasions are met.

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 in a first embodiment of the present invention when the lock cylinder is not unlocked;

FIG. 2 is a schematic diagram showing the mating configuration of a female blade, a male blade, and a lock bolt of the lock cylinder of FIG. 1;

FIG. 3 shows a schematic view of the lock cylinder of FIG. 1 when unlocked;

FIG. 4 is a schematic diagram showing the mating configuration of the female blade, the male blade, and the lock bolt of the lock cylinder of FIG. 3;

FIG. 5 shows a schematic view of the unlocking key of FIG. 3 in cooperation with a parent blade and a child blade; and

fig. 6 shows a schematic structural diagram of an unlocking key according to a first embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a lock case; 20. a lock liner; 30. a female blade; 31. a female groove; 32. a drive section; 40. a sub-leaf blade; 41. a sub-groove; 50. a lock bolt; 51. a protrusion; 52. a bevel; 60. a sub-sheet reset member; 70. a master reset element; 80. an unlocking key; 81. a first unlock bit; 82. a second unlock bit; 83. and unlocking the groove.

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 problem that the security of the lock core among the prior art is low, the utility model provides a lock core and unlocking key.

Example one

A lock cylinder as shown in fig. 1 to 4, which comprises a lock case 10, a cylinder barrel 20, a female blade 30, a sub-blade 40 and a lock bolt 50, wherein the cylinder barrel 20 is rotatably arranged in the lock case 10; the female blade 30 is movably arranged in the lock liner 20 and can be switched between a female locking position and a female unlocking position; the sub-blade 40 is embedded on the female blade 30 and moves together with the female blade 30, the sub-blade 40 is movably arranged relative to the female blade 30, and the sub-blade 40 can be switched between a sub-blade locking position and a sub-blade unlocking position relative to the female blade 30; the lock bolt 50 is movably arranged between the lock shell 10 and the lock core 20 and can be switched between a lock bolt locking position extending into the lock shell 10 and a lock bolt unlocking position exiting out of the lock shell 10, when the female blade 30 is located at the female blade locking position and/or the sub-blade 40 is located at the sub-blade locking position, the female blade 30 and/or the sub-blade 40 stops the movement of the lock bolt 50 and locks the lock bolt 50 at the lock bolt locking position, the lock cylinder is locked, when the female blade 30 and the sub-blade 40 move to the female blade unlocking position and the sub-blade unlocking position respectively under the driving of the unlocking key 80, the female blade 30 and the sub-blade 40 both avoid the lock bolt 50, and the lock bolt 50 can move to the lock bolt unlocking position and unlock the lock cylinder.

In the embodiment, by providing the female blade 30 and the female blade 40 and arranging the female blade 30 and the female blade 40 in mutual association, the female blade 40 is embedded on the female blade 30, so that the movement of the female blade 30 brings the female blade 40 to move together, and the female blade 40 can also move relative to the female blade 30, when either the female blade 30 or the female blade 40 is not unlocked, i.e. when the female blade 30 is in the female blade locking position and/or the female blade 40 is in the female blade locking position, as shown in fig. 1 and 2, the latch 50 is locked in the latch locking position, the latch 50 remains locked, only when the female blade 30 and the female blade 40 are unlocked, i.e. when the female blade 30 moves to the female blade unlocking position and the female blade 40 moves to the male blade unlocking position, as shown in fig. 3 and 4, the latch 50 has a space to move, and the latch 50 moves from the latch locking position to the latch unlocking position, thereby realizing the unlocking of the lock cylinder. The sub-blade 40 is added on the basis of the original single blade in the arrangement mode, the sub-blade 40 is embedded into the female blade 30, the sub-blade 40 has independent blade level difference and level, compared with the original single blade, the key amount of the same blade is multiplied and increased in the same blade number, the key amount is greatly increased, the technical opening difficulty is increased, and meanwhile, the compatibility of the lock cylinder is greatly increased, and individual requirements of products and occasions are short and precise.

In the present embodiment, the female blade 30 has the female recess 31, the female blade 40 has the female recess 41, as shown in fig. 5, the latch 50 has a protrusion 51, when the female blade 30 is located at the female locking position and/or the female blade 40 is located at the female locking position, as shown in fig. 2, the female recess 31 and/or the female recess 41 are misaligned with the protrusion 51 to stop the movement of the latch 50, when the female blade 30 is located at the female unlocking position and the female blade 40 is located at the male unlocking position, as shown in fig. 4, the female recess 31 and the female recess 41 are aligned with the protrusion 51, and the latch 50 has a movement range in which the protrusion 51 protrudes into the female recess 31 and the female recess 41, and the latch 50 moves to the latch unlocking position.

In this embodiment, the size of the female groove 31 is the same as that of the female groove 41, and is the same as that of the protrusion 51, the protrusion 51 is made to be just capable of extending into the female groove 31 and the female groove 41, when the lock cylinder is locked, the female blade 30 does not move to the female unlocking position or the female blade 40 does not move to the female unlocking position, the female groove 31 and the female groove 41 are staggered with each other, the effective groove formed by the female groove 31 and the female groove 41 is not enough for the protrusion 51 to extend into, when the lock cylinder is unlocked, the female blade 30 is located at the female unlocking position and the female blade 40 is located at the female unlocking position, the female groove 41 and the female groove 31 are aligned and overlapped, at this time, the size of the female groove 31 and the female groove 41 is the size of the effective groove formed by the female groove 31 and the female groove 41, and the protrusion 51 can extend into the female. In the present embodiment, the female recess 31 and the male recess 41 are both rectangular grooves, and correspondingly, the protrusion 51 is also a rectangular protrusion, so that when the female blade 30 and the male blade 40 move, the force of the female recess 31 and the male recess 41 on the protrusion 51 is perpendicular to the movement track line of the latch bolt 50, so that the movement of the female blade 30 and the male blade 40 does not push the latch bolt 50 to reset, and when the cylinder core 20 rotates back to the original position, the latch bolt 50 protrudes into the lock case 10 again under the action of the latch bolt spring to realize the reset.

As shown in fig. 1 and 3, the lock cylinder further includes a sub-piece resetting member 60, the sub-piece resetting member 60 is a linear spring, the sub-piece resetting member 60 is embedded in the female blade 30, and two ends of the sub-piece resetting member 60 are respectively abutted to the female blade 30 and the sub-blade 40, due to the arrangement of the sub-piece resetting member 60, when the female blade 30 is driven by the unlocking key 80 to move, the female blade 30 presses the sub-piece resetting member 60, the sub-piece resetting member 60 presses the sub-blade 40, so that the sub-blade 40 moves together with the female blade 30, and when the unlocking key 80 extracts the lock cylinder, the sub-piece resetting member 60 provides a resetting force for the sub-blade 40 to move to the sub-piece locking position, so as to realize the automatic resetting of the sub-blade 40.

Similarly, the lock core further comprises a master piece resetting piece 70, the master piece resetting piece 70 is also a linear spring, two ends of the master piece resetting piece 70 are respectively abutted against the lock cylinder 20 and the master blade 30, and a resetting force moving to the master piece locking position is provided for the master blade 30, so that the automatic resetting of the master blade 30 is realized.

Preferably, the return force of the daughter plate return 60 to the daughter blade 40 is opposite in direction to the return force of the mother plate return 70 to the mother blade 30. Of course, the directions of the restoring force of the daughter plate restoring member 60 to the daughter blade 40 and the restoring force of the mother plate restoring member 70 to the mother blade 30 may be set to be the same.

In the present embodiment, the female blade 30 and the female blade 40 further include a driving portion 32, and the unlocking key 80 presses a side wall of the driving portion 32 to drive the movement of the female blade 30 and/or the female blade 40.

Specifically, the driving side of the female blade 30 and the driving side of the female blade 40 are respectively located on the side where the driving portion 32 of the female blade 30 and the driving portion 32 of the female blade 40 are far away from each other, that is, the driving side of the female blade 30 is located on the left side of the driving portion 32 of the female blade 30 and the driving side of the female blade 40 is located on the right side of the driving portion 32 of the female blade 40 in the direction shown in fig. 2, so that when the lock cylinder is unlocked by the unlocking key 80, the unlocking key 80 presses the two driving portions 32 and drives the driving portions 32 of the female blade 30 and the driving portions 32 of the female blade 40 to move toward each other, so that the female groove 31 is aligned with and coincides with the female groove 41, and the unlocking of the lock 50 is achieved.

In the embodiment, one end of the lock bolt 50 extending into the lock case 10 is provided with an inclined surface 52, the shape of a groove in the lock case 10, into which the lock bolt 50 extends, is matched with the shape of the end of the lock bolt 50, after the unlocking key 80 drives the mother blade 30 and the son blade 40 to both avoid the movement of the lock bolt 50, the lock cylinder 20 is driven to rotate by the unlocking key 80, and the side wall of the groove in the lock case 10 presses the inclined surface 52, so that the lock bolt 50 exits from the lock case 10 and moves to a lock bolt unlocking position, thereby unlocking the lock cylinder. Of course, in addition to the above-mentioned manner, a spring or the like may be provided to drive the throw 50 out of the lock case 10, or the throw 50 may be automatically withdrawn out of the lock case 10 by using the gravity of the throw 50 itself.

Alternatively, the female and male blades 30 and 40 may be provided in a plurality of pairs, each pair of the female and male blades 30 and 40 being arranged in sequence in the axial direction of the lock cylinder, and the latch 50 may be provided only one, one latch 50 being engaged with a plurality of pairs of the female and male blades 30 and 40, or a plurality of latches 50, each latch 50 being engaged with a pair of the female and male blades 30 and 40, respectively.

The present embodiment further provides an unlocking key 80 for unlocking the lock cylinder, as shown in fig. 5 and 6, the unlocking key 80 has a first unlocking position 81 for driving the movement of the master blade 30 of the lock cylinder and a second unlocking position 82 for driving the movement of the slave blade 40 of the lock cylinder, when the unlocking key 80 unlocks the lock cylinder, the first unlocking position 81 drives the movement of the master blade 30, and the second unlocking position 82 drives the movement of the slave blade 40.

Specifically, an unlocking groove 83 is formed in a key handle of the unlocking key 80, and since the directions of the resetting force of the sub-piece resetting piece 60 on the lock cylinder to the sub-blade 40 and the resetting force of the main piece resetting piece 70 to the main blade 30 are opposite in the embodiment, the first unlocking position 81 and the second unlocking position 82 on the unlocking key 80 are respectively located on two opposite sides of the unlocking groove 83, when the unlocking key 80 is inserted into the lock cylinder, the first unlocking position 81 and the second unlocking position 82 on the two sides of the unlocking groove 83 drive the driving part 32 of the main blade 30 and the driving part 32 of the sub-blade 40 to move towards the directions close to each other, and the main blade 30 and the sub-blade 40 move to the main piece unlocking position and the sub-piece unlocking position respectively, so that the lock cylinder is unlocked.

Of course, if the arrangement mode that the resetting force of the sub-plate resetting piece 60 on the sub-blade 40 is the same as the resetting force of the main plate resetting piece 70 on the main blade 30 in the same direction is adopted, the unlocking key 80 needs to arrange the first unlocking position 81 and the second unlocking position 82 on the same side of the unlocking groove 83, and the first unlocking position 81 and the second unlocking position 82 respectively drive the main blade 30 and the sub-blade 40 to move different distances, so that the main groove 31 and the sub-groove 41 can be aligned and overlapped.

Example two

The difference from the first embodiment is that the driving side of the female blade 30 and the driving side of the female blade 40 are disposed at different positions.

In the present embodiment, a gap is formed between the driving portion 32 of the female blade 30 and the driving portion 32 of the female blade 40 in the direction in which the female blade 30 moves, and the side of the gap serves as the driving side.

Correspondingly, the structure of the unlocking key 80 also needs to be changed correspondingly, the unlocking key 80 is provided with an unlocking protrusion, the unlocking protrusion can be arranged in the groove and can also protrude out of the surface of the key handle, two opposite side walls of the unlocking protrusion are respectively a first unlocking position 81 and a second unlocking position 82, when the unlocking key 80 unlocks the lock cylinder, the unlocking protrusion extends into a gap between the driving part 32 of the master blade 30 and the driving part 32 of the slave blade 40, the driving part 32 of the master blade 30 and the driving part 32 of the slave blade 40 are driven to move in directions away from each other, the master blade 30 and the slave blade 40 move to the master unlocking position and the slave unlocking position respectively, and the lock cylinder is unlocked.

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 of low safety of the lock cylinder in the prior art is solved;

2. the sub-blades are embedded into the main blades and have independent blade grade difference and grade;

3. the key amount of the blade with the same number can be multiplied, so that the key amount is greatly increased, and the difficulty in technology starting is increased;

4. greatly increasing the compatibility of the lock core and individual requirements in short and precise products and occasions.

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 "master", "sub-", and the like in the description and claims of this application and in the above-described drawings are used for distinguishing similar objects 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 female blade (30) is movably arranged in the lock cylinder (20) and can be switched between a female locking position and a female unlocking position;

the sub-blade (40) is embedded on the female blade (30) and moves along with the female blade (30), the sub-blade (40) is movably arranged relative to the female blade (30), and the sub-blade (40) can be switched between a sub-blade locking position and a sub-blade unlocking position relative to the female blade (30);

a lock bolt (50), wherein the lock bolt (50) is movably arranged between the lock shell (10) and the lock liner (20) and can be switched 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 female blade (30) is located at the female blade locking position and/or the sub-blade (40) is located at the sub-blade locking position, the female blade (30) and/or the sub-blade (40) stops the movement of the lock bolt (50) and locks the lock bolt (50) at the lock bolt locking position, the lock cylinder is locked, and when the female blade (30) and the sub-blade (40) move to the female blade unlocking position and the sub-blade unlocking position respectively under the driving of an unlocking key (80), the female blade (30) and the sub-blade (40) both avoid the lock bolt (50), the latch (50) is movable to the latch unlock position and the lock cylinder is unlocked.

2. Lock cylinder according to claim 1, characterized in that the female blade (30) has a female recess (31), the female blade (40) has a female recess (41), the latch (50) has a projection (51), the female recess (31) and/or the female recess (41) are/is misaligned with the projection (51) when the female blade (30) is in the female locking position and/or the female blade (40) is in the female locking position to stop the movement of the latch (50), the female recess (31) and the female recess (41) are/is aligned with the projection (51), the projection (51) projects into the female recess (31) and the female recess (41) when the female blade (30) is in the female unlocking position and the female blade (40) is in the male unlocking position, the latch (50) moves to the latch unlock position.

3. The lock cylinder according to claim 2, characterized in that the female recess (31) is the same size as the female recess (41), the female recess (41) coinciding in alignment with the female recess (31) when the female blade (30) is in the female unlocked position and the female blade (40) is in the female unlocked position.

4. The lock cylinder according to claim 1, characterized in that, the lock cylinder further comprises a sub-piece resetting piece (60), and both ends of the sub-piece resetting piece (60) are respectively abutted with the female blade (30) and the sub-blade (40) and provide the resetting force for the sub-blade (40) to move to the sub-piece locking position.

5. The lock core according to claim 4, characterized in that, the lock core further comprises a female piece resetting piece (70), two ends of the female piece resetting piece (70) are respectively abutted against the lock core (20) and the female blade (30) and provide the resetting force for the female blade (30) to move to the female locking position, and the resetting force of the female piece resetting piece (60) to the female blade (40) is opposite to or the same as the resetting force of the female piece resetting piece (70) to the female blade (30).

6. Lock cylinder according to claim 1, characterized in that the female blade (30) and the female blade (40) further comprise a drive (32), the unlocking key (80) pressing the side walls of the drive (32) to drive the movement of the female blade (30) and/or the female blade (40).

7. The lock cylinder according to claim 6, characterized in that the driving side of the female blade (30) and the driving side of the female blade (40) are respectively located on a side where the driving portion (32) of the female blade (30) and the driving portion (32) of the female blade (40) are distant from each other, and the unlocking key (80) presses the driving portions (32) and drives the driving portions (32) of the female blade (30) and the driving portions (32) of the female blade (40) to move in directions to approach each other.

8. The lock cylinder according to claim 6, characterized in that a gap is formed between the drive portion (32) of the female blade (30) and the drive portion (32) of the female blade (40) in the direction in which the female blade (30) moves, and the side of the gap serves as a drive side, and the unlocking key (80) protrudes into the gap and drives the drive portion (32) of the female blade (30) and the drive portion (32) of the female blade (40) to move in directions away from each other.

9. The lock core according to claim 1, characterized in that the end of the lock bolt (50) extending into the lock shell (10) is provided with a slope (52), when the unlocking key (80) unlocks the lock core, the unlocking key (80) drives the cylinder liner (20) to rotate, the lock shell (10) presses the slope (52) and drives the lock bolt (50) to move to the bolt unlocking position.

10. An unlocking key, characterized in that, for unlocking the lock cylinder according to any one of claims 1 to 9, the unlocking key (80) has a first unlocking position (81) for driving the movement of the master blade (30) of the lock cylinder and a second unlocking position (82) for driving the movement of the slave blade (40) of the lock cylinder, when the unlocking key (80) unlocks the lock cylinder, the first unlocking position (81) drives the movement of the master blade (30) and simultaneously the second unlocking position (82) drives the movement of the slave blade (40).

11. The unlocking key according to claim 10, wherein said unlocking key (80) has an unlocking slot (83), and said first unlocking bit (81) and said second unlocking bit (82) are located on opposite sides of said unlocking slot (83), respectively, or said first unlocking bit (81) and said second unlocking bit (82) are located on the same side of said unlocking slot (83).

12. The unlocking key according to claim 10, wherein said unlocking key (80) has an unlocking protrusion, and opposite side walls of said unlocking protrusion are said first unlocking position (81) and said second unlocking position (82), respectively.

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