CN211422137U - 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; the first blade is driven by the unlocking key to move from a first locking position to a first unlocking position along a first direction; when the first blade is located at the first unlocking position, the first blade avoids the first lock bolt, and the first lock bolt can exit the lock shell; the second blade is driven by the unlocking key to move from a second locking position to a second unlocking position along a second direction, and the second direction is not parallel to the first direction; and when the second blade is positioned at the second unlocking position, the second blade avoids the second lock bolt, and the second lock bolt can exit the lock shell. The utility model provides a problem that lock core theftproof ability among the prior art is low.

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

In recent years, along with the updating of the unlocking means of the lock technology and the improvement of tools, the anti-theft capacity of the traditional pure mechanical anti-theft lock cylinder is reduced, and the mechanical lock cylinder is often used as an emergency unlocking channel reserved for the door lock, so that the mechanical anti-technical unlocking capacity of the lock cylinder is required to be improved.

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 low anti-theft capability 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 first blade is movably arranged in the lock liner and driven by the unlocking key to move from a first locking position to a first unlocking position along a first direction; the first blade is positioned at a first unlocking position, the first blade avoids the first lock bolt, and the first lock bolt can exit the lock shell; the second blade is movably arranged in the lock cylinder and driven by the unlocking key to move from a second locking position to a second unlocking position along a second direction, and the second direction is not parallel to the first direction; and the second lock bolt is movably arranged between the lock shell and the lock cylinder and can extend into or withdraw from the lock shell, when the second blade is positioned at a second locking position, the second blade stops the second lock bolt and locks the second lock bolt at the position extending into the lock shell, and when the second blade is positioned at a second unlocking position, the second blade avoids the second lock bolt which can withdraw from the lock shell.

Further, the first direction and the second direction are perpendicular to each other, and the moving direction of the first latch is perpendicular to the moving direction of the second latch.

Further, the first blade and the second blade are provided with unlocking holes, and the projection of the unlocking holes on the cross section perpendicular to the axial direction of the lock cylinder is in an L shape.

Further, first blade and second blade are fluted, and first set bar and second set bar have the arch, and when recess and protruding dislocation, the arch can't stretch into to the recess in, and first set bar or second set bar keep stretching into the lock shell, and when recess and protruding alignment, the arch stretched into to the recess, and first set bar and second set bar can withdraw from the lock shell to the unblock lock core.

Further, the lock core still includes a plurality of blade resets, and the one end and first blade or the second blade butt of blade reset, the other end and the lock courage butt of blade reset to for first blade provides the reset force of moving to first latched position, and for the second blade provides the reset force of moving to second latched position.

Further, first set bar and second set bar still have and dodge the groove, and first blade can stretch into the groove of dodging of second set bar to dodge the motion of first blade, the second blade can stretch into the inslot of dodging to first set bar, in order to dodge the motion of second blade.

Furthermore, the avoiding groove of the first lock bolt is arranged in one-to-one correspondence with the second blade, and/or the avoiding groove of the second lock bolt is arranged in one-to-one correspondence with the first blade.

According to the utility model discloses an on the other hand provides an unlocking key for unblock foretell lock core, unlocking key include the first unlocking portion and the second unlocking portion that connect each other, and the first blade motion of first unlocking portion drive lock core is to first unblock position, and the second blade motion of second unlocking portion drive lock core is to second unblock position, with the unblock lock core.

Further, the first unlocking part and the second unlocking part are L-shaped in projection on a cross section perpendicular to the direction in which the unlocking key is inserted into the lock cylinder.

Further, the first unlocking part has a first unlocking slot, a side wall of which presses the first blade to drive the first blade to the first unlocking position, and the second unlocking part has a second unlocking slot, a side wall of which presses the second blade to drive the second blade to the second unlocking position.

Use the technical scheme of the utility model, through being provided with first blade and first set bar, two sets of parts of second blade and second set bar, and nonparallel between the second direction of motion when the first direction of motion and second blade unblock during the unblock during first blade unblock, when arbitrary person does not unblock in first blade and the second blade, first blade is located first latched position or second blade and is located second latched position promptly, have at least one in first set bar and the second set bar and keep stretching into the position in the lock case, the lock core keeps the locking, only when first blade and the equal unblock of second blade, first blade moves to first unlatched position and second blade and moves to second unlatched position promptly, first set bar and second set bar all withdraw from the lock case, the lock courage can the free rotation, the lock core unblock. Above-mentioned mode of setting up sets first direction and second direction to the direction that is not parallel, when the unblock key unblock lock core, need realize the motion of first blade on first direction and the motion of second blade on the second direction to increase the complexity of knowing the lock key, increased the degree of difficulty that the technique was unblanked, improve the security of lock core.

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:

figure 1 shows a cross-sectional view of the lock cylinder of the present invention along a first blade when unlocked;

FIG. 2 shows a cross-sectional view of the lock cylinder of FIG. 1 along a second blade when unlocked; and

fig. 3 shows a schematic structural view of the first latch or the second latch of fig. 1.

Wherein the figures include the following reference numerals:

10. a lock case; 20. a lock liner; 30. a first blade; 31. unlocking the hole; 32. a drive section; 40. a first lock bolt; 41. a protrusion; 42. an avoidance groove; 50. a second blade; 60. a second lock bolt; 70. a blade return member; 80. an unlocking key; 81. a first unlocking portion; 811. a first unlocking slot; 82. a second unlocking portion; 821. a second unlocking slot.

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 lock core theftproof ability among the prior art is low, the utility model provides a lock core and unblock key.

A lock core as shown in fig. 1 and 2 includes a lock case 10, a cylinder barrel 20, a first blade 30, a first bolt 40, a second blade 50 and a second bolt 60, wherein the cylinder barrel 20 is rotatably disposed in the lock case 10; the first blade 30 is movably arranged in the lock cylinder 20 and moves from a first locking position to a first unlocking position along a first direction under the driving of the unlocking key 80; the first bolt 40 is movably arranged between the lock shell 10 and the lock core 20 and can extend into or withdraw from the lock shell 10, when the first blade 30 is located at a first locking position, the first blade 30 stops the first bolt 40 and locks the first bolt 40 at the position extending into the lock shell 10, when the first blade 30 is located at a first unlocking position, the first blade 30 avoids the first bolt 40, and the first bolt 40 can withdraw from the lock shell 10; the second blade 50 is movably arranged in the lock cylinder 20 and moves from a second locking position to a second unlocking position along a second direction under the driving of the unlocking key 80, and the second direction is not parallel to the first direction; the second bolt 60 is movably disposed between the lock case 10 and the cylinder core 20 and can extend into or withdraw from the lock case 10, when the second blade 50 is located at the second locking position, the second blade 50 stops the second bolt 60 and locks the second bolt 60 at the position of extending into the lock case 10, and when the second blade 50 is located at the second unlocking position, the second blade 50 avoids the second bolt 60, and the second bolt 60 can withdraw from the lock case 10.

The present embodiment is provided with two sets of components, namely, the first blade 30 and the first latch 40, and the second blade 50 and the second latch 60, and the first direction of movement when the first blade 30 is unlocked is not parallel to the second direction of movement when the second blade 50 is unlocked, when either the first blade 30 or the second blade 50 is not unlocked, namely, the first blade 30 is located at the first locking position or the second blade 50 is located at the second locking position, at least one of the first latch 40 and the second latch 60 is kept at the position extending into the lock case 10, the lock cylinder is kept locked, and only when the first blade 30 and the second blade 50 are unlocked, namely, the first blade 30 is moved to the first unlocking position and the second blade 50 is moved to the second unlocking position, the first latch 40 and the second latch 60 are both withdrawn from the lock case 10, the cylinder 20 can freely rotate, and the lock cylinder is unlocked. The first direction and the second direction are arranged in the nonparallel direction in the arrangement mode, when the lock cylinder is unlocked by the unlocking key 80, the movement of the first blade 30 in the first direction and the movement of the second blade 50 in the second direction need to be realized, so that the complexity of unlocking the key 80 is increased, the difficulty of technical unlocking is increased, and the safety of the lock cylinder is improved.

In the present embodiment, the first direction and the second direction are perpendicular to each other, and the moving direction of the first latch 40 is perpendicular to the moving direction of the second latch 60. Referring to the directions in fig. 1 and 2, the horizontal direction is the first direction, and the vertical direction is the second direction. Of course, other angles between the first direction and the second direction may be formed.

In the present embodiment, each of the first blade 30 and the second blade 50 has an unlocking hole 31, and a projection of the unlocking hole 31 on a cross section perpendicular to the axial direction of the key cylinder is formed in an L shape, and accordingly, the unlocking key 80 is formed in an L shape, so that the unlocking key 80 can be inserted into the unlocking hole 31 to drive the first blade 30 and the second blade 50 to move. The L-shaped unlocking key 80 has a larger step difference, a larger key amount and higher safety compared with a cross-shaped key.

In the present embodiment, the first blade 30 and the second blade 50 have a groove, the first bolt 40 and the second bolt 60 have a protrusion 41, when the lock cylinder is not unlocked, the groove is misaligned with the protrusion 41, the protrusion 41 cannot extend into the groove, and the movement of the first bolt 40 or the second bolt 60 is stopped, the first bolt 40 or the second bolt 60 keeps extending into the lock case 10, when the unlock key 80 unlocks the lock cylinder, the unlock key 80 drives the first blade 30 and the second blade 50 to move, when the groove is aligned with the protrusion 41, the protrusion 41 extends into the groove, and the first bolt 40 and the second bolt 60 can be withdrawn from the lock case 10 to unlock the lock cylinder.

In this embodiment, the key cylinder further includes a plurality of blade resets 70, the blade resets 70 are linear springs, one end of one or a part of the blade resets 70 abuts against the first blade 30, the other end thereof abuts against the cylinder core 20, one end of the other or another part of the blade resets 70 abuts against the second blade 50, and the other end thereof abuts against the cylinder core 20, so that each blade reset 70 abuts against the first blade 30 and the second blade 50 respectively, and provides a reset force for the first blade 30 to move to the first locking position, and provides a reset force for the second blade 50 to move to the second locking position, thereby realizing the automatic reset of the first blade 30 and the second blade 50 when the key 80 is unlocked to pull out the key cylinder.

Optionally, the protrusion 41 has a slope structure, and correspondingly, the groove also has a slope matched with the slope structure, when the lock cylinder is pulled out by the unlocking key 80, the first blade 30 and the second blade 50 are respectively moved and reset in the opposite direction of the first direction and the opposite direction of the second direction by the blade resetting piece 70, during which process, the slope of the groove presses the slope structure of the protrusion 41, so as to drive the protrusion 41 to exit the groove, and thus, the automatic resetting of the first latch 40 and the second latch 60 is realized, and thus, the automatic resetting of the lock cylinder is also realized. Preferably, the protrusion 41 and the groove are triangular.

When the blade resetting piece 70 is installed, the corresponding blade resetting piece 70 is placed between the first blade 30 and the lock core 20 and between the second blade 50 and the lock core 20, then the first blade 30 and the second blade 50 are inserted into the lock core 20 from the circumferential side of the lock core 20, and then the lock core 20 with the first blade 30, the second blade 50 and the blade resetting piece 70 is inserted into the lock shell 10, so that the assembly of the blade parts can be completed.

Considering that the overall size of the lock cylinder is small, the first blade 30 and the second blade 50 are likely to interfere with the second lock bolt 60 and the first lock bolt 40, and therefore, an avoiding groove 42 is formed in the first lock bolt 40 and the second lock bolt 60, as shown in fig. 3, the first blade 30 can extend into the avoiding groove 42 of the second lock bolt 60 to avoid the movement of the first blade 30, and the second blade 50 can extend into the avoiding groove 42 of the first lock bolt 40 to avoid the movement of the second blade 50, so that the interference of the first lock bolt 40 and the second lock bolt 60 on the movement of the second blade 50 and the first blade 30 is avoided, the normal operation of the lock cylinder is ensured, the internal space utilization rate of the lock cylinder is improved, and the miniaturization of the lock cylinder is facilitated.

The first blade 30 and the second blade 50 of the present embodiment are each provided in plurality, and the first blade 30 and the second blade 50 are alternately provided in order in the axial direction of the key cylinder. Accordingly, the avoidance grooves 42 are also provided in plurality and are sequentially and alternately arranged in the axial direction of the lock cylinder, that is, in the axial direction of the lock cylinder, the avoidance grooves 42 are sequentially and alternately arranged on the first latch 40 and the second latch 60, so that the avoidance grooves 42 on the first latch 40 correspond to the second blades 50 one to one, and the avoidance grooves 42 on the second latch 60 correspond to the first latch one to one.

Optionally, the unlocking holes 31 of the first blade 30 and the second blade 50 are also provided with inward extending driving parts 32, and the unlocking key 80 drives the first blade 30 and the second blade 50 to move by pressing the driving parts 32.

It should be noted that the first and second latches 40 and 60 of the present embodiment are basically the same in structure, and only differ in installation position and installation direction, and similarly, the first and second vanes 30 and 50 are also basically the same in structure, and only differ in position of a part of the structure, for example, in position of the driving portion 32, position of the recess, and the like.

The present embodiment further provides an unlocking key 80 for unlocking the lock cylinder, wherein the unlocking key 80 comprises a first unlocking part 81 and a second unlocking part 82 which are connected with each other, the first unlocking part 81 drives the first blade 30 of the lock cylinder to move to the first unlocking position, and the second unlocking part 82 drives the second blade 50 of the lock cylinder to move to the second unlocking position, so as to unlock the lock cylinder.

Specifically, since the unlocking holes 31 of the first blade 30 and the second blade 50 are formed in an L shape, the projections of the first unlocking part 81 and the second unlocking part 82 on the cross section perpendicular to the direction in which the unlocking key 80 is inserted into the lock cylinder are also formed in an L shape, so that the key amount of the unlocking key 80 is greatly increased while the key amount is adapted to the structure of the lock cylinder, and the lock cylinder is made safer.

In the present embodiment, the first unlocking part 81 has a first unlocking groove 811, a sidewall of the first unlocking groove 811 presses the driving part 32 of the first blade 30 to drive the first blade 30 to the first unlocking position, the second unlocking part 82 has a second unlocking groove 821, and a sidewall of the second unlocking groove 821 presses the driving part 32 of the second blade 50 to drive the second blade 50 to the second unlocking position.

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 anti-theft capability of the lock cylinder in the prior art is solved;

2. the first direction and the second direction are set to be non-parallel, so that the complexity of unlocking the key is increased, the difficulty of technical unlocking is increased, and the safety of the lock cylinder is improved;

3. compared with a cross key, the L-shaped unlocking hole and the L-shaped unlocking key have larger level difference, more key amount and higher safety;

4. the lock cylinder has the advantages of simple overall structure, stable and reliable action and high space utilization rate, and is favorable for miniaturization of the lock cylinder.

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 (10)

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 first blade (30) is movably arranged in the lock cylinder (20) and is driven by an unlocking key (80) to move from a first locking position to a first unlocking position along a first direction;

a first lock bolt (40), wherein the first lock bolt (40) is movably arranged between the lock shell (10) and the lock core (20) and can extend into or withdraw from the lock shell (10), when the first blade (30) is located at the first locking position, the first blade (30) stops the first lock bolt (40) and locks the first lock bolt (40) at the position extending into the lock shell (10), when the first blade (30) is located at the first unlocking position, the first blade (30) avoids the first lock bolt (40), and the first lock bolt (40) can withdraw from the lock shell (10);

the second blade (50) is movably arranged in the lock cylinder (20) and is driven by the unlocking key (80) to move from a second locking position to a second unlocking position along a second direction, and the second direction is not parallel to the first direction;

the second lock bolt (60) is movably arranged between the lock shell (10) and the lock liner (20) and can extend into or withdraw from the lock shell (10), when the second blade (50) is located at the second locking position, the second blade (50) stops the second lock bolt (60) and locks the second lock bolt (60) at the position extending into the lock shell (10), when the second blade (50) is located at the second unlocking position, the second blade (50) avoids the second lock bolt (60), and the second lock bolt (60) can withdraw from the lock shell (10).

2. The lock cylinder according to claim 1, characterized in that the first and second directions are mutually perpendicular and the direction of movement of the first bolt (40) is perpendicular to the direction of movement of the second bolt (60).

3. The lock cylinder according to claim 2, characterized in that the first blade (30) and the second blade (50) each have an unlocking hole (31), and the projection of the unlocking hole (31) on a cross section perpendicular to the axial direction of the lock cylinder is L-shaped.

4. The lock cylinder according to claim 1, characterized in that the first blade (30) and the second blade (50) have a recess, the first bolt (40) and the second bolt (60) have a protrusion (41), the protrusion (41) cannot protrude into the recess when the recess is misaligned with the protrusion (41), the first bolt (40) or the second bolt (60) remains protruding into the lock housing (10), the protrusion (41) protrudes into the recess when the recess is aligned with the protrusion (41), and the first bolt (40) and the second bolt (60) can exit the lock housing (10) to unlock the lock cylinder.

5. The lock cylinder according to claim 1, characterized in that it further comprises a plurality of blade resetting pieces (70), one end of said blade resetting pieces (70) abuts against said first blade (30) or said second blade (50), the other end of said blade resetting pieces (70) abuts against said cylinder core (20) and provides a resetting force for said first blade (30) to move to said first locking position and a resetting force for said second blade (50) to move to said second locking position.

6. The lock cylinder according to claim 1, characterized in that the first bolt (40) and the second bolt (60) further have an escape slot (42), the first blade (30) being extendable into the escape slot (42) of the second bolt (60) to escape the movement of the first blade (30), the second blade (50) being extendable into the escape slot (42) of the first bolt (40) to escape the movement of the second blade (50).

7. Lock cylinder according to claim 6, characterized in that the escape groove (42) of the first bolt (40) is arranged in a one-to-one correspondence with the second blade (50) and/or the escape groove (42) of the second bolt (60) is arranged in a one-to-one correspondence with the first blade (30).

8. An unlocking key, characterized in that it is used for unlocking the lock cylinder according to any one of claims 1 to 7, said unlocking key (80) comprising a first unlocking portion (81) and a second unlocking portion (82) connected to each other, said first unlocking portion (81) driving the first blade (30) of the lock cylinder to move to a first unlocking position, said second unlocking portion (82) driving the second blade (50) of the lock cylinder to move to a second unlocking position, so as to unlock the lock cylinder.

9. The unlocking key according to claim 8, wherein the projections of the first unlocking portion (81) and the second unlocking portion (82) on a cross section perpendicular to the direction of insertion of the unlocking key (80) into the lock cylinder are L-shaped.

10. The unlocking key according to claim 8, wherein a first unlocking portion (81) has a first unlocking groove (811), a side wall of the first unlocking groove (811) presses the first blade (30) to drive the first blade (30) to the first unlocking position, and the second unlocking portion (82) has a second unlocking groove (821), a side wall of the second unlocking groove (821) presses the second blade (50) to drive the second blade (50) to the second unlocking position.

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