CN210948066U

CN210948066U - Lock core and lock

Info

Publication number: CN210948066U
Application number: CN201921089767.0U
Authority: CN
Inventors: 刘博锋
Original assignee: Zhongshan Chuangxin Security Technology Co ltd
Current assignee: Zhongshan Chuangxin Security Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-07-07
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a lock core and tool to lock, include: the lock shell, the lock liner and the blade assembly; the lock cylinder is rotatably arranged in the lock shell, and a key hole is formed in the lock cylinder; the blade assembly is movably arranged in the lock liner and is provided with a plurality of supporting parts corresponding to the tooth parts of the key, and the insertion of the yale pit-shaped key into the key hole can enable the tooth parts of the key to push the supporting parts to move in the direction away from the tooth parts; the blade assembly is provided with a plurality of locking parts which can be locked or unlocked with the lock shell. In this embodiment, through the cooperation of the supporting part on the blade subassembly and the tooth portion of key, the locking part of blade subassembly can realize locking or unblock between lock shell and the blade subassembly, and the blade subassembly in this embodiment receives the effect of key tooth portion to the direction of keeping away from tooth portion and removes, only needs the key of yale pot type can accomplish locking or unblock, and the key of yale pot type makes easily, and the cost is lower, and the price is cheaper.

Description

Lock core and lock

Technical Field

The utility model relates to a tool to lock field, in particular to lock core and tool to lock.

Background

The blade lock has high safety performance, a large number of blade locks are applied to daily life, the types of the blade locks are various, so that keys matched with the blade locks are also various and have no fixed standard, the keys of the blade locks are provided with two groove teeth, the production cost is high, the price is high, the merchants for matching the keys rarely have key blanks with similar standards, the keys are not easy to match after being lost, the price for matching the keys is high, in addition, in foreign countries, such as the United states, the used keys are standard Yelu pit-type keys, and the blade locks produced in China cannot be unlocked by the Yelu pit-type keys, so the blade locks are inconvenient to export.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a lock core and tool to lock, can pass through the key unblock blade lock of yale pot type, the cost is lower.

According to the utility model discloses a first aspect provides a lock core, include:

the lock shell is provided with a hollow cavity;

the lock core is rotatably arranged in the hollow cavity and provided with a key hole for inserting a yarrow pit-type key;

the blade assembly is movably arranged in the lock liner and is provided with a plurality of supporting parts corresponding to the tooth parts of the key, and the insertion of the Yale pit-type key into the key hole can enable the tooth parts of the key to push the supporting parts to move in the direction away from the tooth parts; the blade assembly is provided with a plurality of locking parts which can be locked or unlocked with the lock shell.

In this embodiment, through the cooperation of the supporting part on the blade subassembly and the tooth portion of key, can drive the blade subassembly and move in the lock courage, can realize locking or unblock between lock shell and the blade subassembly through the locking part of blade subassembly, the blade subassembly in this embodiment receives the effect of key tooth portion to the direction removal of keeping away from tooth portion, can realize locking or unblock, blade lock among the prior art, the key that needs the double flute tooth drives the blade in the blade subassembly and can unblock or lock to two directions removal directions, blade lock in this embodiment only needs the key of yale pit type can accomplish locking or unblock, and the manufacturing cost of the key of yale pit type is lower, and the price is cheaper.

According to the utility model discloses an aspect a lock core, a plurality of blade mounting grooves have been seted up on the lock courage, the blade subassembly includes a plurality of parallel arrangement's blade, but blade slidable mounting is in the blade mounting groove, blade slip direction is perpendicular the axial of lock shell, each all be provided with on the blade the supporting part with the sticking department, each on the blade the supporting part with the sticking department is followed the maximum altitude difference of blade slip direction is different.

According to the utility model discloses an aspect a lock core, each all seted up on the blade with the key hole corresponds, the opening that supplies the key to pass, opening one side has a breach, the opening with the inner wall of the relative one side of breach does the supporting part on the blade slip direction the supporting part is located the middle part of key hole.

According to the utility model discloses an aspect a lock core, the blade is kept away from the one end of breach is provided with first elastic component, and the one end butt of first elastic component is in on the blade, the other end butt of first elastic component is in on the lock courage, after the key is extracted, first elastic component can support and push the sticking department with lock shell locking.

According to the utility model discloses an aspect a lock core, the sticking department is including setting up the blade is kept away from one of first elastic component and is served two first lugs, two first lug is located respectively the both sides of breach, seted up on the lock shell with the first trompil of first lug complex, each the length of first lug is different.

According to the utility model discloses an aspect a lock core, the blade with one that first lug is opposite is served and is provided with the second lug, seted up on the lock shell with second lug complex second trompil, each the blade the length of second lug is different.

According to the utility model discloses an aspect a lock core, the sticking department is including setting up the blade is kept away from one of first elastic component and is served two first lugs, two first lug is located respectively the both sides of breach, seted up on the lock shell with the first trompil of first lug complex on the blade sliding direction, each the supporting part goes the difference in height of breach is different.

According to the utility model discloses an aspect a lock core, the blade with one that first lug is opposite is served and is provided with the second lug, seted up on the lock shell with second lug complex second trompil, each the length of second lug is different.

According to the utility model discloses an aspect a lock core, the sticking department is including setting up respectively the first locking groove of blade both sides, be provided with on the lock shell inner wall with the second locking groove that first locking groove corresponds, be provided with the locking subassembly on the lock courage, the locking subassembly includes latched position and unblock position, when latched position, the locking subassembly with second locking groove block, when unblock position, the locking subassembly with first locking groove block.

According to the utility model discloses an aspect the lock core, the locking subassembly includes:

the locking piece is slidably arranged on the lock liner, a first clamping block is arranged at one end, close to the first locking groove, of the locking piece, and a second clamping block is arranged at one end, close to the second locking groove, of the locking piece;

and one end of the second elastic piece is abutted to the locking piece, and the other end of the second elastic piece is abutted to the lock liner or the lock shell, so that the first clamping block can be pushed to be clamped with the first locking groove or the second clamping block can be pushed to be clamped with the second locking groove.

According to the utility model discloses a lock core of first aspect, the one end butt of second elastic component is in on the locking piece, the other end butt of second elastic component is in on the lock shell, first locking groove is the arc wall, the second locking groove is the rectangular channel.

According to the utility model discloses a lock core of first aspect, the one end butt of second elastic component is in on the locking piece, the other end butt of second elastic component is in on the lock courage, first locking groove is the rectangular channel, the second locking groove is the arc wall.

According to the lock core of the first aspect of the present invention, the first locking groove on one side of the blade is an arc-shaped groove, the second locking groove is a rectangular groove, and the first locking groove on the other side of the blade is a rectangular groove, and the second locking groove is an arc-shaped groove; one end of the second elastic piece on one side of the blade is abutted against the locking piece, and the other end of the second elastic piece is abutted against the lock shell; one end of the second elastic piece on the other side of the blade is abutted to the locking piece, and the other end of the second elastic piece is abutted to the lock cylinder.

According to the utility model discloses an aspect a lock core, with the arc wall corresponds first fixture block or second fixture block have one with the cambered surface that the arc wall corresponds.

According to a second aspect of the present invention, there is provided a lock comprising a lock cylinder as described in any one of the above embodiments, and a yale pit type key fitted to the lock cylinder.

In this embodiment, through the cooperation of the supporting part on the blade subassembly and the tooth portion of key, can drive the blade subassembly and move in the lock courage, can realize locking or unblock between lock shell and the blade subassembly through the locking part of blade subassembly, the blade subassembly in this embodiment receives the effect of key tooth portion to the direction removal of keeping away from tooth portion, can realize locking or unblock, blade lock among the relative prior art, the key that needs the double flute tooth drives the blade in the blade subassembly and can unblock or lock to two direction removal directions, blade lock in this embodiment only needs the key of yale pit type can accomplish locking or unblock, the key of yale pit type in this embodiment makes easily, and the cost is lower, and the price is cheaper.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is one of the schematic structural views of the cross section of the lock cylinder according to an embodiment of the present invention;

fig. 2 is one of the schematic structural views of a blade assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of the three states of the blade assembly of FIG. 2 in a lock cylinder, wherein state A is a wrong key insertion, wherein state B is an unlocked state, and wherein state C is a locked state;

fig. 4 is one of the schematic structural views of a blade assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of the three states of the blade assembly of FIG. 4 in a lock cylinder, wherein state A is a wrong key insertion, wherein state B is an unlocked state, and wherein state C is a locked state;

fig. 6 is one of the schematic structural views of a blade assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of the blade assembly of FIG. 6 in two states in the lock cylinder, wherein state A is a locked state and wherein state B is an unlocked state;

fig. 8 is one of the schematic structural views of a cross section of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly in the lock cylinder is the blade assembly in fig. 6;

fig. 9 is one of the schematic structural views of a cross section of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly in the lock cylinder is the blade assembly in fig. 6;

fig. 10 is one of the schematic structural views of a blade assembly according to an embodiment of the present invention;

FIG. 11 is a schematic view of the blade assembly of FIG. 10 in two states in the lock cylinder, wherein state A is a locked state and wherein state B is an unlocked state;

fig. 12 is a schematic cross-sectional view of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly of the lock cylinder is the blade assembly of fig. 10;

fig. 13 is a schematic cross-sectional view of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly of the lock cylinder is the blade assembly of fig. 10;

fig. 14 is one of the schematic structural views of a blade assembly according to an embodiment of the present invention;

FIG. 15 is a schematic view of the blade assembly of FIG. 14 in two states in the lock cylinder, wherein state A is a locked state and wherein state B is an unlocked state;

fig. 16 is a schematic cross-sectional view of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly of the lock cylinder is the blade assembly of fig. 14;

fig. 17 is a schematic cross-sectional view of a lock cylinder according to an embodiment of the present invention, wherein the blade assembly of the lock cylinder is the blade assembly of fig. 14;

figure 18 is a front view of a lock cylinder according to an embodiment of the present invention;

figure 19 is one of the side views of a lock cylinder according to an embodiment of the present invention;

fig. 20 is a schematic structural view of a yarrow-type key according to an embodiment of the present invention;

fig. 21 is a schematic cross-sectional view of a yarrow-type key according to an embodiment of the present invention;

figure 22 is one of the side views of a lock cylinder of an embodiment of the present invention;

fig. 23 is one of the side views of an embodiment of the locking assembly of the present invention used in conjunction with the blade assembly of fig. 6;

fig. 24 is one of the side views of an embodiment of the locking assembly of the present invention used in conjunction with the blade assembly of fig. 10;

fig. 25 is one of the side views of an embodiment of the locking assembly of the present invention in use with the blade assembly of fig. 14.

Reference numerals: 100. the lock comprises a lock shell, 1001, a first opening, 1002, a second opening, 1003, a second locking groove, 200, a lock liner, 201, a key hole, 202, a blade mounting groove, 300, a key, 301, a tooth part, 400, a blade, 401, an opening, 4001, a supporting part, 4003, a notch, 4004, a first bump, 4005, a second bump, 4006, a first locking groove, 500, a first elastic piece, 600, a locking assembly, 601, a locking piece, 602, a second elastic piece, 603, a steel ball, 6011 and a mounting hole.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, front, rear, left, right, etc., referred to the orientation description is the orientation or positional relationship shown in the drawings, and is only for convenience of description of the embodiments of the present invention and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the embodiments of the present invention.

In the description of the embodiments of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the embodiments of the present invention, unless explicitly defined otherwise, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the embodiments of the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1, the present embodiment provides a lock cylinder including: the lock shell 100, the lock liner 200 and the blade assembly, wherein the lock shell 100 is provided with a hollow cavity; the lock core 200 is rotatably arranged in the hollow cavity, and the lock core 200 is provided with a key hole 201 for inserting a yarrow pit-shaped key 300; the blade assembly is movably arranged in the cylinder liner 200, preferably, the blade assembly can slide relative to the cylinder liner 200, and of course, the blade assembly can also slightly swing, the blade assembly is provided with a plurality of supporting parts 4001 corresponding to tooth parts (not shown in fig. 1) of the key 300, and inserting the yarrow-shaped key 300 into the key hole 201 can enable the tooth parts of the key 300 to push against the supporting parts 4001 to move towards a direction far away from the tooth parts, in the blade lock in the prior art, the key 300 with double groove teeth is required to drive the blades in the blade assembly to move towards two directions to unlock or lock, and the blade assembly in the embodiment can be unlocked or unlocked by only shifting the blade assembly towards one direction by the key 300 with single groove teeth; the blade assembly is provided with a plurality of locking portions capable of being locked or unlocked with the lock case 100. In this embodiment, the blade assembly can be driven to move in the cylinder liner 200 by the matching of the supporting portion 4001 on the blade assembly and the teeth of the key 300, and the locking or unlocking between the lock case 100 and the blade assembly can be realized by the locking portion of the blade assembly, the blade assembly in this embodiment is moved in the direction away from the teeth by the teeth of the key 300, and the blade lock in this embodiment can be locked or unlocked only by the key 300 of the yale pit type, and the manufacturing of the key 300 of the yale pit type is easy, the cost is lower, and the price is cheaper.

In some embodiments, as shown in fig. 1, 2, 18-22, the lock cylinder 200 is provided with a plurality of blade mounting grooves 202, the blade assembly includes a plurality of blades 400 arranged in parallel, the blades 400 are slidably mounted in the blade mounting grooves 202, the sliding direction of the blades 400 is perpendicular to the axial direction of the lock case 100, and the direction of the key hole 201 is along the axial direction of the lock cylinder 200, so that the sliding direction of the blades 400 is perpendicular to the opening direction of the key hole 201, the structure is reasonable, the key 300 is convenient to match with the blades 400, each blade 400 is provided with a support portion 4001 and a locking portion, and the maximum height difference between the support portion 4001 and the locking portion on each blade 400 along the sliding direction of the blade 400 is different. In the present embodiment, the maximum height difference between the support portion 4001 of each blade 400 and the locking portion in the sliding direction of the blade 400 is different, so that the teeth 301 of the key 300 having different heights can be matched, and the safety of the key cylinder in the present embodiment can be improved by different combinations of the support portion 4001 and the teeth 301.

In some embodiments, as shown in fig. 1 and 2, each blade 400 is provided with an opening 401 corresponding to the key hole 201 for the key 300 to pass through, one side of the opening 401 has a notch 4003, i.e. corresponding to a U-shaped opening, the inner wall of the opening 401 opposite to the notch 4003 is a support portion 4001, and the support portion 4001 is located in the middle of the key hole 201 in the sliding direction of the blade 400, so that the key 300 can abut against the support portion 4001 when inserted. In this embodiment, a notch 4003 is arranged on one side of the opening 401, so that the key 300 can be inserted into the blade 400 under the condition of small size, and of course, if the opening 401 is large enough, the key 300 can be inserted even if the notch 4003 is not arranged, but the opening 401 is large enough to enlarge the lock cylinder 200, so that the whole lock is enlarged, and the lock core structure in this embodiment is more reasonable by arranging the notch 4003.

In some embodiments, as shown in fig. 1, an end of the blade 400 away from the notch 4003 is provided with a first elastic member 500, the first elastic member 500 is preferably a spring, and may also be an elastic block, and the like, one end of the first elastic member 500 abuts against the blade 400, and the other end of the first elastic member 500 abuts against the cylinder core 200, and after the key 300 is pulled out, the first elastic member 500 can abut against the locking portion and lock with the lock case 100. Specifically, when the key 300 is inserted, the tooth part 301 of the key 300 abuts against the support part 4001 of the blade 400, so that the blade 400 can be pushed in a direction away from the tooth part 301, and the first elastic member 500 is pressed, and the locking part of the blade 400 and the lock case 100 can be unlocked, and when the key 300 is pulled out, in the process of restoring the natural state of the first elastic member 500, an elastic force is applied to the blade 400, and the locking part and the lock case 100 can be locked.

In some embodiments, as shown in fig. 1 and fig. 2, the locking portion includes two first protrusions 4004 disposed on an end of the blade 400 away from the first elastic member 500, the two first protrusions 4004 are respectively located on two sides of the gap 4003, or one first protrusion 4004 or three first protrusions 4004, the number is not limited, the lock case 100 is provided with a first opening 1001 matching with the first protrusion 4004, and the lengths of the first protrusions 4004 are different. By providing different lengths for the first block, different heights of the bitted portion 301 of the key 300 can be matched. When the key 300 is inserted, the tooth part 301 of the key 300 abuts against the supporting part 4001 of the blade 400, so that the blade 400 can be pushed in the direction away from the tooth part 301, the first elastic element 500 is extruded, unlocking can be achieved, when the key 300 is pulled out, in the process that the first elastic element 500 restores to the natural state, an elastic force is applied to the blade 400, and then two first protruding blocks 4004 of the blade 400 can be inserted into the first opening 1001 of the lock case 100, and locking is achieved.

In some embodiments, as shown in fig. 1 and fig. 2, a second protrusion 4005 is disposed on an end of the blade 400 opposite to the first protrusion 4004, a second opening 1002 is disposed on the lock case 100 and is matched with the second protrusion 4005, and the second protrusions 4005 of the blades 400 have different lengths. Preferably, the sum of the lengths of the first and

second projections

4004 and 4005 of each blade 400 is equal. Specifically, the present embodiment provides three embodiments, which are three states of the lock cylinder in the present embodiment.

As shown in state a in fig. 3, state a is a state when the key cylinder is inserted in the wrong key 300 in the present embodiment, specifically, when the tooth 301 of the wrong key 300 is too high during insertion of the wrong key 300, the second projection 4005 is inserted into the second opening 1002 and remains in the locked state, and when the tooth 301 of the wrong key 300 is not high enough, the first projection 4004 does not completely leave the first opening 1001 and remains in the locked state.

As shown in the state B in fig. 3, the state B is a state when the lock cylinder in this embodiment is unlocked, specifically, when the correct key 300 is inserted, the first protrusion 4004 on the blade 400 is completely separated from the first opening 1001, and the second protrusion 4005 is completely separated from the second opening 1002, at which time the lock case 100 and the cylinder core 200 can rotate relatively.

As shown in the state C in fig. 3, the state C is a state when the lock cylinder in the present embodiment is locked, specifically, when the key 300 is pulled out, the first projection 4004 on the blade 400 is inserted into the first opening 1001, so that the relative rotation between the lock case 100 and the cylinder core 200 is restricted.

In some embodiments, as shown in fig. 1 and 4, the locking portion includes two first protrusions 4004 disposed on an end of the blade 400 away from the first elastic member 500, the two first protrusions 4004 are respectively located on two sides of the notch 4003, the lock case 100 is formed with a first opening 1001 matching with the first protrusions 4004, and the height difference from each supporting portion 4001 to the notch 4003 is different in the sliding direction of the blade 400. Specifically, the supporting portions 4001 are disposed at different heights, and the first protrusions 4004 have similar or identical heights, so that the supporting portions 4001 can be easily engaged with the teeth 301 of the key 300.

In some embodiments, as shown in fig. 1 and 4, a second protrusion 4005 is disposed on an end of the blade 400 opposite to the first protrusion 4004, a second opening 1002 is disposed on the lock case 100 and is matched with the second protrusion 4005, and the lengths of the second protrusions 4005 are different. Preferably, the difference between the outermost distances of the first projection 4004 and the second projection 4005 of each blade 400 is equal. Specifically, the present embodiment provides three embodiments, which are three states of the lock cylinder in the present embodiment.

As shown in state a in fig. 5, state a is a state when the key cylinder is inserted in the wrong key 300 in the present embodiment, specifically, when the tooth 301 of the wrong key 300 is too high during insertion of the wrong key 300, the second projection 4005 is inserted into the second opening 1002 and remains in the locked state, and when the tooth 301 of the wrong key 300 is not high enough, the first projection 4004 does not completely leave the first opening 1001 and remains in the locked state.

As shown in the state B in fig. 5, the state B is a state when the lock cylinder in this embodiment is unlocked, specifically, when the correct key 300 is inserted, the first protrusion 4004 on the blade 400 is completely separated from the first opening 1001, and the second protrusion 4005 is completely separated from the second opening 1002, at which time the lock case 100 and the cylinder core 200 can rotate relatively.

As shown in the state C in fig. 5, the state C is a state when the lock cylinder in the present embodiment is locked, specifically, when the key 300 is pulled out, the first projection 4004 on the blade 400 is inserted into the first opening 1001, so that the relative rotation of the lock case 100 and the cylinder core 200 is restricted.

In some embodiments, as shown in fig. 8 and 9, the locking portion includes first locking grooves 4006 respectively disposed on both sides of the blade 400, but only one first locking groove 4006 or three first locking grooves 4006 may be provided, the number of the first locking grooves 4006 is not limited, and preferably two first locking grooves 4006 are provided, a second locking groove 1003 corresponding to the first locking groove 4006 is provided on the inner wall of the lock case 100, the lock bladder 200 is provided with the locking assembly 600, the locking assembly 600 includes a locking position and an unlocking position, in the locking position, the locking assembly 600 is engaged with the second locking groove 1003, and in the unlocking position, the locking assembly 600 is engaged with the first locking groove 4006. Through the matching of the locking assembly 600 with the first locking groove 4006 and the second locking groove 1003, the unlocking or locking of the lock cylinder can be realized stably.

In certain embodiments, as shown in fig. 23-25, the locking assembly 600 includes: a locking member 601 and a second elastic member 602, the second elastic member 602 is preferably a spring, but may also be an elastic block, etc., the locking member 601 is slidably disposed on the lock core 200, one end of the locking member 601 near the first locking groove 4006 is provided with a first latch (not shown in the figure), and one end of the locking member 601 near the second locking groove 1003 is provided with a second latch (not shown in the figure); one end of the second elastic element 602 abuts against the locking element 601, specifically, an installation hole 6011 is disposed on the locking element 601, one end of the second elastic element 602 is installed in the installation hole 6011, and the other end of the second elastic element 602 abuts against the lock core 200 or the lock case 100, and can push the first latch block to engage with the first locking groove 4006 or push the second latch block to engage with the second locking groove 1003. The structure of this embodiment is reasonable.

In some embodiments, as shown in fig. 6-9, one end of the second elastic element 602 abuts against the locking element 601, the other end of the second elastic element 602 abuts against the lock housing 100, the first locking groove 4006 is an arc-shaped groove for facilitating the disengagement of the first latch, and the second locking groove 1003 is a rectangular groove for stably engaging with the second latch. Specifically, the present embodiment provides an embodiment in which the lock cylinder is in two states, lock cylinder unlock and lock.

As shown in state a in fig. 7, state a is a schematic diagram of the lock cylinder in this embodiment in a locked state, one end of the second elastic element 602 abuts against the locking element 601, the other end abuts against the lock cylinder 200, and the second elastic element 602 is always in a compressed state, so when the key 300 is not inserted, the second elastic element 602 pushes the locking element 601 to move toward the lock case 100, so as to engage the second latch with the second locking groove 1003, at this time, the first locking groove 4006 is staggered from the first latch due to the elastic force of the first elastic element 500 on the blade 400, and the first latch abuts against the side wall of the blade 400, so as to limit the second latch from coming out of the second locking groove 1003, and complete the locking of the lock case 100 and the lock cylinder 200.

As shown in the state B in fig. 7, the state B is a schematic view of the lock cylinder in the present embodiment being in an unlocked state, when the key 300 is inserted, the tooth portion 301 of the key 300 abuts against the pushing blade 400 to slide, so that the first locking groove 4006 slides to a position corresponding to the first fixture block, because the second locking groove 1003 is arc-shaped, the key 300 is rotated to push the second fixture block to be disengaged from the second locking groove 1003, and the first fixture block enters the first locking groove 4006, at this time, the lock case 100 can rotate relative to the lock core 200, and unlocking is completed.

In some embodiments, as shown in fig. 10 to 13, one end of the second elastic element 602 abuts against the locking element 601, the other end of the second elastic element 602 abuts against the lock core 200, the first locking groove 4006 is a rectangular groove and can be stably engaged with the first latch, and the second locking groove 1003 is an arc groove to facilitate the disengagement of the second latch. Specifically, the present embodiment provides an embodiment in which the lock cylinder is in two states, lock cylinder unlock and lock.

As shown in state a in fig. 11, state a is a schematic diagram of the lock cylinder in this embodiment in a locked state, one end of the second elastic element 602 abuts against the locking element 601, the other end abuts against the lock shell 100, and the second elastic element 602 is always in a compressed state, so that when the key 300 is just pulled out, the second elastic element 602 pushes the locking element 601 to move towards the lock cylinder 200, so as to engage the first latch with the first locking groove 4006, however, the first locking groove 4006 is an arc-shaped groove, due to the elastic action of the first elastic element 500 on the blade 400, the elastic force of the first elastic element 500 is greater than the elastic force of the second elastic element 602, and is sufficient to make the first latch disengage from the first locking groove 4006, after the first latch disengages from the first locking groove 4006, the blade 400 continues to slide under the pushing of the first elastic element 500, so that the side wall of the blade 400 abuts against the first latch, and further pushes the second latch to enter into the second locking groove 1003, the lock case 100 and the cylinder core 200 are locked.

As shown in the state B in fig. 11, the state B is a schematic view of the lock core in the present embodiment being in an unlocking state, when the key 300 is inserted, the tooth 301 of the key 300 abuts against the pushing blade 400 to slide, so that the first locking groove 4006 slides to a position corresponding to the first locking block, the second elastic member 602 pushes the locking member 601 to move toward the lock core 200, so that the first locking block is engaged with the first locking groove 4006, at this time, the second locking block completely escapes from the second locking groove 1003, the lock shell 100 can rotate relative to the lock core 200, and the lock shell 100 and the lock core 200 are unlocked.

In some embodiments, as shown in fig. 14-17, the first locking slot 4006 on one side of the blade 400 is an arc-shaped slot and the second locking slot 1003 is a rectangular slot, and the first locking slot 4006 on the other side of the blade 400 is a rectangular slot and the second locking slot 1003 is an arc-shaped slot; one end of the second elastic member 602 at one side of the blade 400 abuts against the locking member 601, and the other end abuts against the lock case 100; one end of the second elastic member 602 on the other side of the blade 400 abuts against the locking member 601, and the other end abuts against the cylinder core 200. Specifically, the present embodiment provides an embodiment in which the lock cylinder is in two states, lock cylinder unlock and lock.

As shown in state a in fig. 7, state a is a schematic view of the lock cylinder in this embodiment in a locked state, when the key 300 is not inserted into one side of the blade 400, the second elastic element 602 pushes the locking element 601 to move toward the lock housing 100, so that the second latch is engaged with the second locking groove 1003, at this time, due to the elastic force of the first elastic element 500 on the blade 400, the first locking groove 4006 is staggered from the first latch, and the first latch abuts against the side wall of the blade 400, so that the second latch is limited from being disengaged from the second locking groove 1003, and the lock housing 100 and the lock core 200 are locked; on the other side of the blade 400, when the key 300 is just pulled out, the second elastic member 602 pushes the locking member 601 to move toward the lock cylinder 200, so that the first latch is engaged with the first locking groove 4006, however, the first locking groove 4006 is an arc-shaped groove, because of the elastic action of the first elastic member 500 on the blade 400, the elastic force of the first elastic member 500 is greater than the elastic force of the second elastic member 602, and is enough to make the first latch disengage from the first locking groove 4006, after the first latch disengages from the first locking groove 4006, the blade 400 continues to slide under the pushing of the first elastic member 500, so that the side wall of the blade 400 abuts against the first latch, and further pushes the second latch into the second locking groove 1003, thereby completing the locking of the lock shell 100 and the lock cylinder 200.

As shown in the state B in fig. 7, the state B is a schematic view of the lock cylinder in the present embodiment being in an unlocked state, when the key 300 is inserted into one side of the blade 400, the tooth portion 301 of the key 300 abuts against the blade 400 to slide, so that the first locking groove 4006 slides to a position corresponding to the first locking block, since the second locking groove 1003 is arc-shaped, the key 300 is rotated to push the second locking block to disengage from the second locking groove 1003, and the first locking block enters the first locking groove 4006, at this time, the lock case 100 can rotate relative to the lock cylinder 200 to complete unlocking; on the other side of the blade 400, when the key 300 is inserted, the tooth part 301 of the key 300 abuts against the blade 400 to slide, so that the first locking groove 4006 slides to a position corresponding to the first clamping block, the second elastic member 602 pushes the locking piece 601 to move towards the lock cylinder 200, so that the first clamping block is clamped with the first locking groove 4006, at the moment, the second clamping block is completely separated from the second locking groove 1003, the lock case 100 can rotate relative to the lock cylinder 200, and the lock case 100 and the lock cylinder 200 are unlocked.

In some embodiments, as shown in fig. 6-17, the first latch or the second latch corresponding to the arc-shaped slot has an arc surface corresponding to the arc-shaped slot. Specifically, the first fixture block or the second fixture block corresponding to the arc-shaped groove is a steel ball 603, so that the first fixture block or the second fixture block can be conveniently separated from the arc-shaped groove in a sliding manner.

In certain embodiments, as shown in fig. 1-25, a lock is provided, including a lock cylinder as in any of the above embodiments, and a yale pit-type key 300 that mates with the lock cylinder. In this embodiment, the blade assembly can be driven to move in the cylinder liner 200 by the matching of the supporting portion 4001 on the blade assembly and the teeth 301 of the key 300, and the locking or unlocking between the lock case 100 and the blade assembly can be realized by the locking portion of the blade assembly, the blade assembly in this embodiment is moved in the direction away from the teeth 301 under the action of the teeth 301 of the key 300, and can be locked or unlocked, compared with the blade lock in the prior art, the key 300 requiring double-groove teeth drives the blade 400 in the blade assembly to move in two directions to unlock or lock, the blade lock in this embodiment only needs the key 300 of the yale pit type to complete the locking or unlocking, the manufacturing of the key 300 of the yale pit type in this embodiment is easy, the cost is lower, and the price is cheaper.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. A lock cylinder, comprising:

a lock case (100) having a hollow cavity;

the lock core (200) is rotatably arranged in the hollow cavity, and a key hole (201) for inserting a yarrow pit-type key (300) is formed in the lock core (200);

the blade assembly is movably arranged in the lock cylinder (200), the blade assembly is provided with a plurality of supporting parts (4001) corresponding to the tooth parts (301) of the key, and the insertion of the Yale pit-type key (300) into the key hole (201) can enable the tooth parts (301) of the key (300) to push the supporting parts (4001) to move in the direction away from the tooth parts (301); the blade assembly is provided with a plurality of locking parts which can be locked or unlocked with the lock shell (100).

2. The lock core according to claim 1, wherein a plurality of blade mounting grooves (202) are formed in the lock core (200), the blade assembly comprises a plurality of blades (400) which are arranged in parallel, the blades (400) are slidably mounted in the blade mounting grooves (202), the sliding direction of the blades (400) is perpendicular to the axial direction of the lock shell (100), each blade (400) is provided with the supporting portion (4001) and the locking portion, and the maximum height difference between the supporting portion (4001) and the locking portion of each blade (400) along the sliding direction of the blade (400) is different.

3. The lock core according to claim 2, wherein each blade (400) is provided with an opening (401) corresponding to the key hole (201) and allowing a key (300) to pass through, one side of the opening (401) is provided with a notch (4003), the inner wall of the opening (401) on the side opposite to the notch (4003) is the support part (4001), and the support part (4001) is located in the middle of the key hole (201) in the sliding direction of the blade (400).

4. The lock core according to claim 3, wherein one end of the blade (400) away from the notch (4003) is provided with a first elastic member (500), one end of the first elastic member abuts against the blade (400), the other end of the first elastic member (500) abuts against the lock cylinder (200), and after the key is pulled out, the first elastic member (500) can push the locking part to be locked with the lock shell (100).

5. The lock core according to claim 4, wherein the locking part comprises two first projections (4004) arranged at one end of the blade (400) far away from the first elastic member (500), the two first projections (4004) are respectively arranged at two sides of the gap (4003), a first opening (1001) matched with the first projections (4004) is arranged on the lock shell (100), and the lengths of the first projections (4004) are different.

6. The lock core according to claim 5, wherein a second protrusion (4005) is disposed on an end of the blade (400) opposite to the first protrusion (4004), a second opening (1002) matched with the second protrusion (4005) is formed on the lock case (100), and the second protrusion (4005) of each blade (400) has different lengths.

7. The lock core according to claim 4, wherein the locking part comprises two first projections (4004) arranged at one end of the blade (400) far away from the first elastic member (500), the two first projections (4004) are respectively arranged at two sides of the gap (4003), a first opening (1001) matched with the first projections (4004) is arranged on the lock shell (100), and the height difference from each supporting part (4001) to the gap (4003) is different in the sliding direction of the blade (400).

8. The lock core according to claim 7, wherein a second protrusion (4005) is disposed on an end of the blade (400) opposite to the first protrusion (4004), a second opening (1002) is formed in the lock case (100) and is matched with the second protrusion (4005), and the second protrusions (4005) have different lengths.

9. The lock cylinder according to claim 4, characterized in that the locking part comprises a first locking groove (4006) respectively arranged at two sides of the blade (400), a second locking groove (1003) corresponding to the first locking groove (4006) is arranged on the inner wall of the lock shell (100), a locking assembly (600) is arranged on the lock core (200), and the locking assembly (600) comprises a locking position and an unlocking position, wherein the locking assembly (600) is clamped with the second locking groove (1003) at the locking position, and the locking assembly (600) is clamped with the first locking groove (4006) at the unlocking position.

10. A lock cylinder according to claim 9, characterized in that the locking assembly (600) comprises:

the locking piece (601) is slidably arranged on the lock liner (200), a first clamping block is arranged at one end, close to the first locking groove (4006), of the locking piece (601), and a second clamping block is arranged at one end, close to the second locking groove (1003), of the locking piece (601);

and one end of the second elastic piece (602) is abutted against the locking piece (601), the other end of the second elastic piece is abutted against the lock liner (200) or the lock shell (100), and the second elastic piece can push the first clamping block to be clamped with the first locking groove (4006) or push the second clamping block to be clamped with the second locking groove (1003).

11. A lock cylinder according to claim 10, characterized in that one end of the second elastic member (602) abuts against the locking member (601), the other end of the second elastic member (602) abuts against the lock housing (100), the first locking groove (4006) is an arc-shaped groove, and the second locking groove (1003) is a rectangular groove.

12. A lock cylinder according to claim 10, characterized in that one end of the second elastic member (602) abuts on the locking member (601), the other end of the second elastic member (602) abuts on the cylinder (200), the first locking groove (4006) is a rectangular groove, and the second locking groove (1003) is an arc-shaped groove.

13. A lock cylinder according to claim 10, characterized in that the first locking groove (4006) on one side of the blade (400) is an arc-shaped groove and the second locking groove (1003) is a rectangular groove, the first locking groove (4006) on the other side of the blade (400) is a rectangular groove and the second locking groove (1003) is an arc-shaped groove; one end of the second elastic piece (602) on one side of the blade (400) abuts against the locking piece (601), and the other end abuts against the lock shell (100); one end of the second elastic piece (602) on the other side of the blade (400) is abutted against the locking piece (601), and the other end is abutted against the lock cylinder (200).

14. A lock comprising a lock cylinder according to any one of claims 1 to 13 and a yale pit key (300) for mating with said lock cylinder.