CN216110161U - Novel prevent disconnected auto-lock core - Google Patents

Abstract

The invention relates to a novel anti-break self-locking lock core, which comprises a lock shell assembly, a pulling mop assembled in an open slot in the middle of the lock shell assembly, an outer lock liner and an inner lock liner respectively assembled in the lock shell assembly positioned at two sides of the pulling mop, wherein a clutch assembly positioned between the pulling mop and the outer lock liner is also arranged in the lock shell assembly; a clutch ring positioned in the lower half part of the arc-shaped sliding groove is assembled in the outer clutch piece, and when the rotation angle of the inner clutch piece is larger than 90 degrees, the clutch ring enables a clutch limiting ball to be kept in the first longitudinal hole; the condition that the limiting beads and the steel balls are collided or clamped is prevented, and the mechanical stability of the product is effectively improved; in addition, the rotating key linkage assembly is linked with the pulling mop only by inserting a key, and is separated from the pulling mop under the action of the reset spring when the key is pulled out, so that the safety performance is higher.

Description

Novel prevent disconnected auto-lock core

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of locks, in particular to a novel anti-breaking self-locking lock cylinder.

[ background of the invention ]

Most common bilateral lock cylinders in the market can be unlocked by inserting keys from the inside and the outside of the door, when a lawbreaker forcibly breaks off the lock cylinders by using tools outside the door, the common lock shell is broken at an open slot, a pulling lug or a rotating key connected with the pulling lug is exposed outside, and the lawbreaker can unlock by rotating the rotating key or the pulling lug through various tools, which is also one of the means of violent opening the door by a plurality of thieves; under the condition, once the front half part of the lock cylinder is broken by a lawless person, a user cannot open the lock cylinder to open the door on the other side of the lock cylinder, namely the room, by using a correct key, so that the user cannot open the door in the room to save self and needs to ask for help of a professional unlocking maker, which brings great trouble to the user and brings great potential safety hazards to lives and property.

Although a lock core structure capable of partially preventing the phenomenon also appears in the market, the lock core has the defects of high production difficulty, more accessories, difficult installation and the like, and for the defects, the applicant has disclosed a breaking-proof self-locking lock core, which is disclosed in the Chinese utility model patent with the publication number of CN211776558U, an arc-shaped sliding groove positioned outside the first longitudinal hole is formed in the concave side end surface of an inner clutch piece, and when the lock core enters a breaking-proof self-locking state, the lower end of the steel ball passes through the second longitudinal hole, enters the arc-shaped sliding groove and abuts against the upper end surface of the clutch limiting ball. The steel balls have larger rotating space in the arc-shaped sliding groove, so that the outer clutch piece and the inner clutch piece can be effectively prevented from being clamped by the steel balls, and the smoothness of relative rotation between the outer clutch piece and the inner clutch piece is ensured. When the applicant tests for many times, the applicant finds that the action among all the parts of the rotating inner clutch member is smooth when the rotating inner clutch member enters the anti-breaking self-locking state, but the clutch limiting ball slides out of the first longitudinal hole and partially enters the arc-shaped sliding groove when the inner clutch member rotates to 90-270 degrees, and the clutch limiting ball has the probability that the clutch limiting ball does not completely enter the first longitudinal hole and collides or is stuck with the steel ball when the inner clutch member 52 rotates to-90 degrees; therefore, the applicant carries out further structural optimization promotion on the product structure aiming at the problem in the invention creation.

In addition, the outer rotating key of the Chinese utility model can always keep linkage with the pulling under the action of the rotating key spring, and the market has the requirement that the outer rotating key and the pulling are not linked when partial customers do not insert keys, so that the applicant also carries out further structure optimization and promotion on the product structure aiming at the problem in the invention creation.

[ summary of the invention ]

In order to solve the problems, the invention provides a novel anti-breaking self-locking lock cylinder which is more stable in structure and higher in safety.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel anti-break self-locking lock cylinder comprises a lock shell assembly 1, a pulling lug 2 assembled in an open slot in the middle of the lock shell assembly 1, an outer lock liner 3 and an inner lock liner 4 respectively assembled in the lock shell assembly 1 positioned on two sides of the pulling lug 2, a clutch assembly 5 positioned between the pulling lug 2 and the outer lock liner 3 is further arranged in the lock shell assembly 1, the clutch assembly 5 comprises an outer clutch part 51 and an inner clutch part 52 arranged in the outer clutch part 51, the outer clutch part 51 is linked with the pulling lug 2 through a rotating key linkage assembly 6, and the inner clutch part 52 is used for being linked with the outer lock liner 3; the inner clutch piece 52 is internally provided with transverse pin holes 521 distributed along the key inserting direction and a first longitudinal hole 522 vertically communicated with the transverse pin holes 521, the outer clutch piece 51 is internally provided with a second longitudinal hole 511 communicated with the first longitudinal hole 522, the lock shell assembly 1 is provided with a third longitudinal hole 131 coaxial with the second longitudinal hole 511, the first longitudinal hole 522, the second longitudinal hole 511 and the third longitudinal hole 131 are coaxial in the reset state, the first longitudinal hole 522, the second longitudinal hole 511 and the third longitudinal hole 131 are internally provided with a locking marble assembly 7, the locking marble assembly 7 comprises a clutch limiting ball 71, a steel ball 72, a limiting flat ball 73 and a self-locking spring 74 which are sequentially arranged, the lock shell assembly 1 is also internally provided with a bolt assembly 8 which can be matched with the rotary key linkage assembly 6 under the pushing of the key inserting to enable the rotary key linkage assembly 6 to be linked with the pulling 2, the bolt assembly 8 is provided with a pusher pin 81 inserted into the transverse pin hole 521, and an arc-shaped sliding groove 523 positioned outside the first longitudinal hole 522 is concavely formed in the side end surface of the inner clutch piece 52; a clutch ring 53 positioned in the lower half part of the arc-shaped chute 523 is assembled in the outer clutch part 51, and the outer clutch part 51 and the inner clutch part 52 are linked through a clutch limiting ball 71 in a non-breaking self-locking state;

when the outer lock core 3 and the pusher pin 81 are taken out after the lock case assembly 1 is broken, the clutch limiting ball 71 completely enters the first longitudinal hole 522 so that the inner clutch 52 can idle relative to the outer clutch 51 and enter a disconnection-preventing self-locking state, the lower end of the steel ball 72 passes through the second longitudinal hole 511 to enter the arc-shaped chute 523 and abut against the upper end surface of the clutch limiting ball 71, the lower end of the limiting flat ball 73 enters the second longitudinal hole 511 so that the outer clutch 51 and the lock case assembly 1 are locked, and when the rotation angle of the inner clutch 52 is greater than 90 degrees, the clutch limiting ball 71 is kept in the first longitudinal hole 522 by the clutch ring 53.

As a preferred embodiment, further defined is: the angular arc of the clutch ring 53 is 180 °.

As a preferred embodiment, further defined is: the lower end of the steel ball 72 abuts against the upper end face of the clutch limiting ball 71, and the lower end face of the limiting flat ball 73 abuts against the upper end of the steel ball 72; when the inner clutch piece 52 drives the outer clutch piece 51 to rotate, the steel balls 72 rotate in the third longitudinal hole 131 and are in contact with the side end face of the outer clutch piece 51; when the clutch limiting ball 71 enters the first longitudinal hole 522 in the anti-breaking self-locking state, the steel ball 72 enters the second longitudinal hole 511 and abuts against the upper end face of the clutch limiting ball 71, and the lower end of the limiting flat ball 73 enters the second longitudinal hole 511 to lock the outer clutch part 51 and the lock shell assembly 1; when the inner clutch member 52 rotates idly relative to the outer clutch member 51, the steel balls 72 rotate in the second longitudinal holes 511 and come into contact with the side end surface of the inner clutch member 52.

As a preferred embodiment, further defined is: the outer clutch 51 is further provided with a first limiting hole 512 and a second limiting hole 513 which are positioned at two sides of the second longitudinal hole 511, a first limiting bead 54 and a second limiting bead 55 which are positioned at the upper end of the clutch ring 53 are respectively assembled in the first limiting hole 512 and the second limiting hole 513, and the first limiting bead 54 and the second limiting bead 55 partially extend into the arc-shaped sliding groove 523.

As a preferred embodiment, further defined is: at least one stopping cavity 132 is arranged in the lock shell assembly 1 and is positioned outside the third longitudinal hole 131, and the locking ball assembly 7 further comprises a stopping pin 75 and a stopping spring 76 which are arranged in the stopping cavity 132; the bottom of the upper stop cavity 132 is provided with an upper stop hole 133 communicated with the third longitudinal hole 131, and one end of the upper stop pin 75 is convexly provided with an insertion part 751 which can be inserted into the third longitudinal hole 131 through the upper stop hole 133 under the action of the upper stop spring 76; when the anti-breaking self-locking state is not entered, the front end of the insertion part 751 passes through the upper stop hole 133 and abuts against the side end face of the limit flat bead 73; when the anti-breaking self-locking state is entered and the limiting flat bead 73 falls down, the inserting part 751 passes through the upper stopping hole 133 and is inserted into the third longitudinal hole 131 and is positioned at the upper end of the limiting flat bead 73; the lock housing assembly 1 is further provided with a sealing piece or cap 77 covering the outer side of the upper stop chamber 132.

As a preferred embodiment, further defined is: the rotating key linkage assembly 6 comprises a rotating key pin 61, a first inner rotating key 62, a second inner rotating key 63, a first outer rotating key 64 and a second outer rotating key 65 which are sleeved on the rotating key pin 61 and can move along the axis of the rotating key pin, an inner rotating key return spring 66 which can drive the first inner rotating key 62 and the second inner rotating key 63 to reset, and an outer rotating key return spring 67 which can drive the first outer rotating key 64 and the second outer rotating key 65 to reset; the first inner rotating key 62 is linked with the outer clutch piece 51, and the second inner rotating key 63 is linked with the inner lock container 4; the first external rotating key 64 can move along the axis under the pushing of the first internal rotating key 62 to be linked with the dialing mop 2, and the second external rotating key 65 can move along the axis under the pushing of the second internal rotating key 63 to be linked with the dialing mop 2; when the key 9 is inserted from the outer lock container 3, the bolt component 8 pushes the rotary key pin 61 to further push the first inner rotary key 62 and the first outer rotary key 64 to move towards the pulling mop 2, and the first outer rotary key 64 is linked with the pulling mop 2; a pushing block 68 is arranged in the inner lock liner 4, and when the key 9 is inserted from the inner lock liner 4, the second inner rotating key 63 is pushed by the pushing block 68 so as to push the second outer rotating key 65 and enable the second outer rotating key 65 to be linked with the pulling mop 2.

As a preferred embodiment, further defined is: a first inner rotating key accommodating cavity 621 is formed in one side, facing the plug pin assembly 8, of the first inner rotating key 62, a first protruding part 622 is convexly formed in one side, facing away from the plug pin assembly 8, of the first inner rotating key 62, the first protruding part 622 is provided with a first rotating key pin hole 623 which is communicated with the first inner rotating key accommodating cavity 621 and through which the rotating key pin 61 passes, and a pushing part 611 located in the first inner rotating key accommodating cavity 621 and a protruding part 612 protruding out of the first inner rotating key accommodating cavity 621 are arranged on one side, facing the plug pin assembly 8, of the rotating key pin 61; a second inner rotating key accommodating cavity 631 is formed in one side, away from the first inner rotating key 62, of the second inner rotating key 63, a second protruding part 632 is formed in one side, facing the first inner rotating key 62, of the second inner rotating key 63 in a protruding manner, the second protruding part 632 is provided with a second rotating key pin hole 633 which is communicated with the second inner rotating key accommodating cavity 631 and through which the rotating key pin 61 passes, and a limiting flange 613 positioned in the second inner rotating key accommodating cavity 631 is formed in a flanging manner in one side, away from the plug pin assembly 8, of the rotating key pin 61; the inner rotating key return spring 66 is sleeved between the first extending part 622 and the second extending part 632, and the outer rotating key return spring 67 is sleeved on the inner rotating key return spring 66 and is positioned between the first outer rotating key 64 and the second outer rotating key 65; the first inner rotating key 62 is further provided with a first inner inserting key portion 624 for linkage with the outer clutch member 51 and a second inner inserting key portion 625 for linkage with the first outer rotating key 64, the outer clutch member 51 is provided with a first inner inserting groove 514 matched with the first inner inserting key portion 624, and the first outer rotating key 64 is provided with a second inner inserting groove 641 matched with the second inner inserting key portion 625; the second inner rotary key 63 is provided with a third inner inserting key part 634 used for being linked with the inner lock liner 4 and a fourth inner inserting key part 635 used for being linked with the second outer rotary key 65, the inner lock liner 4 is provided with a third inner slot 41 matched with the third inner inserting key part 634, and the second outer rotary key 65 is provided with a fourth inner slot 651 matched with the fourth inner inserting key part 635.

As a preferred embodiment, further defined is: the length of the second inner inserting key part 625 is greater than that of the first inner inserting key part 624, so that the second inner inserting key part 625 can also be linked with the outer clutch member 51, and a fifth inner slot 515 matched with the second inner inserting key part 625 is arranged on the outer clutch member 51; the length of the fourth interpolation key 635 is greater than that of the third interpolation key 634, so that the fourth interpolation key 635 can also be linked with the inner lock core 4, and the inner lock core 4 is provided with a sixth inner slot 42 matched with the fourth interpolation key 635.

As a preferred embodiment, further defined is: the first outer rotating key 64 is further provided with a first linkage key 642 for linkage with the pulling and pulling 2, the second outer rotating key 65 is further provided with a second linkage key 652 for linkage with the pulling and pulling 2, and the pulling and pulling 2 is provided with a linkage groove 21 for matching with the first linkage key 642 or the second linkage key 652.

As a preferred embodiment, further defined is: the plug pin assembly 8 comprises a push piece seat 82 and a push piece pin return spring 83, one side of the outer lock core 3 facing the inner clutch piece 52 is provided with a push piece accommodating cavity 31 for accommodating the push piece seat 82 and a push piece inserting groove 32 communicated with the push piece accommodating cavity 31 and positioned outside the push piece accommodating cavity 31, the outside of the push piece seat 82 is provided with a push piece inserting key part 821 which protrudes outwards and is matched with the push piece inserting groove 32, one side of the push piece seat 82 facing away from the inner clutch piece 52 is provided with a spring accommodating cavity 822 for accommodating the push piece pin return spring 83, the middle part of the push piece seat 82 is provided with a push piece hole 823 through which the push piece pin 81 passes and is communicated with the spring accommodating cavity 822, one side of the push piece pin 81 facing away from the inner clutch piece 52 protrudes outwards to form an extending part 811 with a diameter smaller than the diameter of the spring accommodating cavity 822 but larger than the diameter of the push piece hole 823, the side of the pushing piece pin 81 facing the inner clutch piece 52 sequentially passes through the pushing piece pin return spring 83 and the pushing piece hole 823; a first spigot 34 clamping groove 33 communicated with the push piece inserting groove 32 is arranged on the outer peripheral surface of the outer lock container 3, a first spigot 34 is assembled in the first spigot 34 clamping groove 33, and the push piece inserting key part 821 is clamped in the push piece inserting groove 32; a first inserting key 524 matched with the pusher inserting groove 32 is arranged on one side of the inner clutch piece 52 facing the outer lock cylinder 3.

As a preferred embodiment, further defined is: the lock shell assembly 1 comprises a cross beam 11, an outer lock shell 12 and a lengthened shell 13 which are assembled on one side of the cross beam 11, and an inner lock shell 14 which is assembled on the other side of the cross beam 11; the beam 11 is provided with an assembly part 111 positioned at the upper end of the pulling and pulling device 2, and an outer beam part 112 and an inner beam part 113 positioned at two sides of the assembly part 111, the outer beam part 112 is provided with an annular anti-breaking groove 110, and the lengthened shell 13 is assembled between the anti-breaking groove 110 and the assembly part 111; the locking marble assembly 7, the outer clutch 51 and the inner clutch 52 are respectively arranged in the elongated shell 13, and the outer lock cylinder 3 is arranged in the outer lock shell 12; the cross beam 11 breaks at the breakage preventing groove 110 when the lock case assembly 1 is broken.

The beneficial effects of the invention are as follows:

1. the invention creates that the external clutch piece is internally provided with a clutch ring positioned in the lower half part of the arc-shaped chute, and when the rotation angle of the internal clutch piece is more than 90 degrees, the clutch ring enables the clutch limiting ball to be kept in the first longitudinal hole; the limiting beads are prevented from colliding with the steel balls or being clamped, and the mechanical stability of the product is effectively improved.

2. The rotary key linkage assembly is linked with the pulling mop only by inserting a key, and is separated from the pulling mop under the action of the reset spring when the key is pulled out, so that the safety performance is higher.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of the invention;

FIG. 2 is a transverse cross-sectional view of the invention;

FIG. 3 is a longitudinal sectional view of the invention;

FIG. 4 is a longitudinal sectional view of the structure in a self-locking state;

FIG. 5 is a cross-sectional view of the transverse structure in the anti-break self-locking state;

FIG. 6 is a structural view showing a state in which a key is inserted into the outer cylinder;

FIG. 7 is a structural view showing a state in which a key is inserted into the inner cylinder;

FIG. 8 is an exploded view of the present invention;

FIG. 9 is an exploded view of the clutch assembly;

FIG. 10 is a schematic structural view of the outer clutch member;

FIG. 11 is a schematic structural view of the latch assembly;

FIG. 12 is an exploded view of the latch assembly;

FIG. 13 is a schematic structural view of the outer lock cylinder;

FIG. 14 is a schematic structural view of the inner lock cylinder;

FIG. 15 is a schematic structural view of the turnkey linkage assembly;

FIG. 16 is a cross-sectional view of the turnkey linkage assembly;

FIG. 17 is one of the schematic exploded views of the turnkey linkage assembly;

FIG. 18 is a second exploded view of the turnkey linkage assembly;

FIG. 19 is an exploded view of the lock housing assembly;

fig. 20 is a schematic structural diagram of the dial and drag.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 20, the novel anti-break self-locking lock cylinder comprises a lock shell assembly 1, a pulling lug 2 assembled in an open slot at the middle part of the lock shell assembly 1, and an outer lock cylinder 3 and an inner lock cylinder 4 respectively assembled in the lock shell assembly 1 at two sides of the pulling lug 2, wherein a clutch assembly 5 positioned between the pulling lug 2 and the outer lock cylinder 3 is further arranged in the lock shell assembly 1, as shown in fig. 9 and 10, the clutch assembly 5 comprises an outer clutch member 51 and an inner clutch member 52 arranged in the outer clutch member 51, the outer clutch member 51 is linked with the pulling lug 2 through a rotating key linkage assembly 6, and the inner clutch member 52 is used for being linked with the outer lock cylinder 3; as shown in fig. 2 and 3, the inner clutch member 52 is provided with transverse pin holes 521 distributed along the key insertion direction and a first longitudinal hole 522 vertically penetrating the transverse pin holes 521, the outer clutch member 51 is provided with a second longitudinal hole 511 penetrating the first longitudinal hole 522, the lock housing assembly 1 is provided with a third longitudinal hole 131 coaxial with the second longitudinal hole 511, the first longitudinal hole 522, the second longitudinal hole 511 and the third longitudinal hole 131 are coaxial in the reset state, the first longitudinal hole 522, the second longitudinal hole 511 and the third longitudinal hole 131 are provided with a locking marble assembly 7, the locking marble assembly 7 comprises a clutch limit bead 71, a steel ball 72, a limit flat bead 73 and a self-locking spring 74 which are sequentially arranged, the lock housing assembly 1 is further provided with a plug pin assembly 8 capable of cooperating with the rotary key linkage assembly 6 under the push of the key insertion to enable the rotary key linkage assembly 6 to be linked with the puller 2, the bolt assembly 8 is provided with a pusher pin 81 inserted into the transverse pin hole 521, and an arc-shaped sliding groove 523 positioned outside the first longitudinal hole 522 is concavely formed in the side end surface of the inner clutch piece 52; the arc-shaped sliding groove 523 can further improve the smoothness of the action among all the parts and prevent the mechanical jamming. A clutch ring 53 positioned in the lower half part of the arc-shaped chute 523 is assembled in the outer clutch part 51, and the outer clutch part 51 and the inner clutch part 52 are linked through a clutch limiting ball 71 in a non-breaking self-locking state;

in the present embodiment, the angular arc of the disengaging ring 53 is 180 °. As shown in fig. 4 and 5, when the outer lock core 3 and the pusher pin 81 are taken out after the lock housing assembly 1 is broken, the clutch limiting ball 71 completely enters the first longitudinal hole 522 so that the inner clutch 52 can idle relative to the outer clutch 51 to enter the anti-breaking self-locking state, the lower end of the steel ball 72 passes through the second longitudinal hole 511 to enter the arc-shaped chute 523 and abut against the upper end surface of the clutch limiting ball 71, the lower end of the limiting flat ball 73 enters the second longitudinal hole 511 so that the outer clutch 51 and the lock housing assembly 1 are locked, and when the rotation angle of the inner clutch 52 is greater than 90 °, the clutch ring 53 keeps the clutch limiting ball 71 in the first longitudinal hole 522, so as to prevent the collision or the locking of the limiting ball and the steel ball, and effectively improve the mechanical stability of the product. At this moment, the inner clutch piece 52 idles, the outer clutch piece 51 cannot bear force, drilling and twisting can be effectively prevented, and the design is ingenious, so that lawbreakers cannot drive the pulling and pulling to rotate through tools when opening the door violently, and the safety is high.

In this embodiment, the lower end of the steel ball 72 abuts against the upper end surface of the clutch limiting ball 71, and the lower end surface of the limiting flat ball 73 abuts against the upper end of the steel ball 72; when the inner clutch piece 52 drives the outer clutch piece 51 to rotate, the steel balls 72 rotate in the third longitudinal hole 131 and are in contact with the side end face of the outer clutch piece 51; when the clutch limiting ball 71 enters the first longitudinal hole 522 in the anti-breaking self-locking state, the steel ball 72 enters the second longitudinal hole 511 and abuts against the upper end face of the clutch limiting ball 71, and the lower end of the limiting flat ball 73 enters the second longitudinal hole 511 to lock the outer clutch part 51 and the lock shell assembly 1; when the inner clutch member 52 rotates idly relative to the outer clutch member 51, the steel balls 72 rotate in the second longitudinal holes 511 and come into contact with the side end surface of the inner clutch member 52.

In this embodiment, the outer clutch member 51 is further provided with a first limiting hole 512 and a second limiting hole 513 located at two sides of the second longitudinal hole 511, the first limiting hole 512 and the second limiting hole 513 are respectively assembled with a first limiting bead 54 and a second limiting bead 55 located at the upper end of the clutch ring 53, and the first limiting bead 54 and the second limiting bead 55 partially extend into the arc-shaped sliding groove 523, so that the inner clutch member 52 can be prevented from being pulled out in the anti-breaking self-locking state, and the limiting and protecting effects are achieved.

In this embodiment, in order to prevent a lawless person from prying the clutch limiting ball 71, the steel ball 72 and the limiting flat ball 73 to move upwards so as to push the rotary key linkage assembly 6 to link with the pulling piece 2, as shown in fig. 2, at least one stopping cavity 132 is arranged in the lock housing assembly 1 and is located outside the third longitudinal hole 131, and the locking ball assembly 7 further comprises a stopping pin 75 and a stopping spring 76 which are arranged in the stopping cavity 132; the bottom of the upper stop cavity 132 is provided with an upper stop hole 133 communicated with the third longitudinal hole 131, and one end of the upper stop pin 75 is convexly provided with an insertion part 751 which can be inserted into the third longitudinal hole 131 through the upper stop hole 133 under the action of the upper stop spring 76; when the anti-breaking self-locking state is not entered, the front end of the insertion part 751 passes through the upper stop hole 133 and abuts against the side end face of the limit flat bead 73; when the anti-breaking self-locking state is achieved, after the limiting flat bead 73 falls down, the inserting portion 751 penetrates through the upper stopping hole 133 to be inserted into the third longitudinal hole 131 and located at the upper end of the limiting flat bead 73, the limiting bead 71, the steel ball 72 and the limiting flat bead 73 can be limited to move upwards, a lawbreaker cannot be pried, and the safety is high. The lock case assembly 1 is further provided with a sealing piece or cap 77 covering the outer side of the stop cavity 132 to protect the stop pin 75 and the stop spring 76.

In this embodiment, as shown in fig. 15 to 18, the key-rotating linkage assembly 6 includes a key-rotating pin 61, a first inner key 62, a second inner key 63, a first outer key 64 and a second outer key 65 which are sleeved on the key-rotating pin 61 and can move along the axis thereof, an inner key return spring 66 which can drive the first inner key 62 and the second inner key 63 to return, and an outer key return spring 67 which can drive the first outer key 64 and the second outer key 65 to return, wherein the outer key return spring 67 also enables the first outer key 64 and the second outer key 65 to maintain a certain distance therebetween and to rotate without interfering with each other; the first inner rotating key 62 is linked with the outer clutch piece 51, and the second inner rotating key 63 is linked with the inner lock container 4; the first external rotating key 64 can move along the axis under the pushing of the first internal rotating key 62 to be linked with the dialing mop 2, and the second external rotating key 65 can move along the axis under the pushing of the second internal rotating key 63 to be linked with the dialing mop 2; when the key 9 is inserted from the outer lock container 3, the bolt component 8 pushes the rotary key pin 61 to further push the first inner rotary key 62 and the first outer rotary key 64 to move towards the pulling mop 2, and the first outer rotary key 64 is linked with the pulling mop 2; a pushing block 68 is arranged in the inner lock core 4. When the key 9 is inserted from the inner lock container 4, the second inner rotating key 63 is pushed by the pushing block 68, and then the second outer rotating key 65 is pushed, so that the second outer rotating key 65 is linked with the pulling mop 2. The rotating key linkage component 3 needs to be inserted into the key 9 to be linked with the pulling mop, when the key 9 is pulled out, the rotating key linkage component is separated from the pulling mop 2 under the action of the inner rotating key return spring 66 and the outer rotating key return spring 67, and the safety performance is higher. When the anti-breaking self-locking rotating state is realized, as the clutch limiting ball 71 blocks the transverse pin hole 521, a lawless person cannot push the first inner rotating key 62 and the first outer rotating key 64 to push the shifting puller 2 to move, and then the first inner rotating key 62 and the first outer rotating key 64 enter the idle rotating state.

Furthermore, a first inner rotating key receiving cavity 621 is disposed on one side of the first inner rotating key 62 facing the plug pin assembly 8, a first protruding portion 622 is convexly formed on one side of the first inner rotating key 62 facing away from the plug pin assembly 8, the first protruding portion 622 is provided with a first rotating key pin hole 623 which is communicated with the first inner rotating key receiving cavity 621 and through which the rotating key pin 61 passes, and a pushing portion 611 located in the first inner rotating key receiving cavity 621 and a protruding portion 612 protruding out of the first inner rotating key receiving cavity 621 are disposed on one side of the rotating key pin 61 facing the plug pin assembly 8; a second inner rotating key accommodating cavity 631 is formed in one side, away from the first inner rotating key 62, of the second inner rotating key 63, a second protruding part 632 is formed in one side, facing the first inner rotating key 62, of the second inner rotating key 63 in a protruding manner, the second protruding part 632 is provided with a second rotating key pin hole 633 which is communicated with the second inner rotating key accommodating cavity 631 and through which the rotating key pin 61 passes, and a limiting flange 613 positioned in the second inner rotating key accommodating cavity 631 is formed in a flanging manner in one side, away from the plug pin assembly 8, of the rotating key pin 61; the inner rotating key return spring 66 is sleeved between the first extending part 622 and the second extending part 632, and the outer rotating key return spring 67 is sleeved on the inner rotating key return spring 66 and is positioned between the first outer rotating key 64 and the second outer rotating key 65; the first inner rotating key 62 is further provided with a first inner inserting key portion 624 for linkage with the outer clutch member 51 and a second inner inserting key portion 625 for linkage with the first outer rotating key 64, the outer clutch member 51 is provided with a first inner inserting groove 514 matched with the first inner inserting key portion 624, and the first outer rotating key 64 is provided with a second inner inserting groove 641 matched with the second inner inserting key portion 625; the second inner rotating key 63 is provided with a third inner inserting key portion 634 for linking with the inner lock core 4 and a fourth inner inserting key portion 635 for linking with the second outer rotating key 65, as shown in fig. 14, the inner lock core 4 is provided with a third inner slot 41 adapted to the third inner inserting key portion 634, the second outer rotating key 65 is provided with a fourth inner slot 651 adapted to the fourth inner inserting key portion 635, and the linking is realized through key slot matching.

In order to further improve the linkage performance, the length of the second inner inserting key part 625 is greater than that of the first inner inserting key part 624, so that the second inner inserting key part 625 can also be linked with the outer clutch member 51, and the outer clutch member 51 is provided with a fifth inner slot 515 matched with the second inner inserting key part 625; the length of the fourth interpolation key 635 is greater than that of the third interpolation key 634, so that the fourth interpolation key 635 can be linked with the inner lock core 4, and the inner lock core 4 is provided with a sixth inner slot 42 matched with the fourth interpolation key 635, so that the structure is simple and the design is ingenious.

In this embodiment, as shown in fig. 17, 18 and 20, the first outer rotating key 64 is further provided with a first linkage key 642 for linkage with the dial and drag 2, the second outer rotating key 65 is further provided with a second linkage key 652 for linkage with the dial and drag 2, and the dial and drag 2 is provided with a linkage groove 21 for matching with the first linkage key 642 or the second linkage key 652; when the key 9 is inserted from the outer lock container 3, the first linkage key 642 is inserted into the linkage groove 21, so that the first outer rotating key 64 is linked with the pulling piece 2, and when the key 9 is inserted from the inner lock container 4, the second linkage key 652 is inserted into the linkage groove 21, so that the second outer rotating key 65 is linked with the pulling piece 2.

In the present embodiment, as shown in fig. 11 and 12, the latch assembly 8 includes a pusher seat 82 and a pusher pin return spring 83, and the pusher pin return spring 83 can drive the pusher pin 81 to return. As shown in fig. 13, a push piece accommodating cavity 31 for accommodating the push piece seat 82 and a push piece inserting groove 32 communicated with the push piece accommodating cavity 31 and located outside the push piece accommodating cavity 31 are arranged on one side of the outer lock core 3 facing the inner clutch piece 52, a push piece inserting key portion 821 protruding outwards and adapted to the push piece inserting groove 32 is arranged outside the push piece seat 82, and the linkage of the push piece seat 82 and the outer lock core 3 is realized through the matching of the push piece inserting groove 32 and the push piece inserting key portion 821. A spring accommodating cavity 822 for accommodating the push pin return spring 83 is formed in one side of the push piece seat 82, which is away from the inner clutch piece 52, a push piece hole 823 for the push piece pin 81 to penetrate through and communicate with the spring accommodating cavity 822 is formed in the middle of the push piece seat 82, an extending part 811 with a diameter smaller than that of the spring accommodating cavity 822 and larger than the aperture of the push piece hole 823 is convexly formed in one side of the push piece pin 81, which is away from the inner clutch piece 52, and the push piece pin return spring 83 and the push piece hole 823 are sequentially penetrated through one side of the push piece pin 81, which faces the inner clutch piece 52; a first medium 34 clamping groove 33 communicated with the push piece inserting groove 32 is formed in the outer peripheral surface of the outer lock container 3, the first medium 34 is assembled in the first medium 34 clamping groove 33, the push piece inserting key part 821 is clamped in the push piece inserting groove 32, and the push piece seat 82 is prevented from being pushed by the reaction of a push piece pin return spring 83; a first inserting key 524 matched with the pushing piece inserting groove 32 is arranged on one side of the inner clutch piece 52 facing the outer lock container 3, so that the inner clutch piece 52 and the outer lock container 3 are linked.

In the present embodiment, as shown in fig. 19, the lock case assembly 1 includes a cross beam 11, an outer lock case 12 and an elongated case 13 mounted on one side of the cross beam 11, and an inner lock case 14 mounted on the other side of the cross beam 11; the beam 11 is provided with an assembly part 111 positioned at the upper end of the pulling and pulling device 2, and an outer beam part 112 and an inner beam part 113 positioned at two sides of the assembly part 111, the outer beam part 112 is provided with an annular anti-breaking groove 110, and the lengthened shell 13 is assembled between the anti-breaking groove 110 and the assembly part 111; the locking marble assembly 7, the outer clutch 51 and the inner clutch 52 are respectively arranged in the elongated shell 13, and the outer lock cylinder 3 is arranged in the outer lock shell 12; since the beam 11 has the smallest size and the weakest strength at the breakage preventing groove 110, it is possible to ensure that the beam 11 is broken at the breakage preventing groove 110 when the lock case assembly 1 is broken.

Claims (10)

1. A novel anti-breaking self-locking lock cylinder comprises a lock shell assembly (1), a pulling mop (2) assembled in an open slot in the middle of the lock shell assembly (1), and an outer lock cylinder (3) and an inner lock cylinder (4) respectively assembled in the lock shell assembly (1) positioned on two sides of the pulling mop (2), wherein a clutch assembly (5) positioned between the pulling mop (2) and the outer lock cylinder (3) is further arranged in the lock shell assembly (1), the clutch assembly (5) comprises an outer clutch member (51) and an inner clutch member (52) arranged in the outer clutch member (51), the outer clutch member (51) is linked with the pulling mop (2) through a rotating key linkage assembly (6), and the inner clutch member (52) is used for being linked with the outer lock cylinder (3); the inner clutch piece (52) is internally provided with transverse pin holes (521) distributed along the key insertion direction and a first longitudinal hole (522) vertically communicated with the transverse pin holes (521), the outer clutch piece (51) is internally provided with a second longitudinal hole (511) communicated with the first longitudinal hole (522), the lock shell assembly (1) is provided with a third longitudinal hole (131) coaxial with the second longitudinal hole (511), the first longitudinal hole (522), the second longitudinal hole (511) and the third longitudinal hole (131) are coaxial in the reset state, the first longitudinal hole (522), the second longitudinal hole (511) and the third longitudinal hole (131) are internally provided with a locking marble assembly (7), the locking marble assembly (7) comprises a clutch limiting bead (71), a steel bead (72), a limiting flat bead (73) and a self-locking spring (74) which are sequentially arranged, the lock shell assembly (1) is also internally provided with a bolt assembly (8) which can be matched with the rotating key linkage assembly (6) under the pushing of inserting a key to enable the rotating key linkage assembly (6) to be linked with the pulling device (2), the bolt assembly (8) is provided with a pushing pin (81) inserted into the transverse pin hole (521), and the side end surface of the inner clutch piece (52) is concavely provided with an arc-shaped sliding groove (523) positioned outside the first longitudinal hole (522); the anti-breakage self-locking clutch is characterized in that a clutch ring (53) positioned in the lower half part of the arc-shaped chute (523) is assembled in the outer clutch piece (51), and the outer clutch piece (51) and the inner clutch piece (52) are linked through a clutch limiting bead (71) in a non-breakage-proof self-locking state;

when the outer lock core (3) and the push piece pin (81) are taken out after the lock shell assembly (1) is broken off, the clutch limiting ball (71) completely enters the first longitudinal hole (522) so that the inner clutch piece (52) can idle relative to the outer clutch piece (51) to enter an anti-breaking self-locking state, the lower end of the steel ball (72) penetrates through the second longitudinal hole (511) to enter the arc-shaped sliding groove (523) and abuts against the upper end face of the clutch limiting ball (71), the lower end of the limiting flat ball (73) enters the second longitudinal hole (511) so that the outer clutch piece (51) and the lock shell assembly (1) are locked, and when the rotation angle of the inner clutch piece (52) is larger than 90 degrees, the clutch ring (53) enables the clutch limiting ball (71) to be kept in the first longitudinal hole (522).

2. The novel anti-breaking self-locking lock cylinder according to claim 1, wherein the outer clutch member (51) is further provided with a first limiting hole (512) and a second limiting hole (513) which are located at two sides of the second longitudinal hole (511), the first limiting hole (512) and the second limiting hole (513) are respectively provided with a first limiting bead (54) and a second limiting bead (55) which are located at the upper end of the separation ring (53), and the first limiting bead (54) and the second limiting bead (55) partially extend into the arc-shaped sliding groove (523).

3. The novel anti-breaking self-locking lock core according to claim 2, wherein at least one upper stopping cavity (132) is provided in the lock shell assembly (1) outside the third longitudinal hole (131), and the locking ball assembly (7) further comprises an upper stopping pin (75) and an upper stopping spring (76) provided in the upper stopping cavity (132); the bottom of the upper stopping cavity (132) is provided with an upper stopping hole (133) communicated with the third longitudinal hole (131), and one end of the upper stopping pin (75) is convexly provided with an inserting part (751) which can penetrate through the upper stopping hole (133) and be inserted into the third longitudinal hole (131) under the action of an upper stopping spring (76); when the anti-breaking self-locking state is not entered, the front end of the insertion part (751) passes through the top stop hole (133) and abuts against the side end face of the limit flat bead (73); when the anti-breaking self-locking state is entered, after the limit flat bead (73) falls down, the inserting part (751) passes through the upper stop hole (133) and is inserted into the third longitudinal hole (131) and is positioned at the upper end of the limit flat bead (73); the lock shell assembly (1) is further provided with a sealing piece or a sealing cap (77) which covers the outer side of the upper stop cavity (132).

4. The novel anti-breaking self-locking lock cylinder according to claim 3, wherein the rotary key linkage assembly (6) comprises a rotary key pin (61), a first inner rotary key (62), a second inner rotary key (63), a first outer rotary key (64) and a second outer rotary key (65), which are sleeved on the rotary key pin (61) and can move along the axis of the rotary key pin, an inner rotary key return spring (66) which can drive the first inner rotary key (62) and the second inner rotary key (63) to reset, and an outer rotary key return spring (67) which can drive the first outer rotary key (64) and the second outer rotary key (65) to reset; the first inner rotating key (62) is linked with the outer clutch piece (51), and the second inner rotating key (63) is linked with the inner lock cylinder (4); the first outer rotating key (64) can move along the axis under the pushing of the first inner rotating key (62) to be linked with the pulling mop (2), and the second outer rotating key (65) can move along the axis under the pushing of the second inner rotating key (63) to be linked with the pulling mop (2); when the key (9) is inserted from the outer lock container (3), the bolt component (8) pushes the rotary key pin (61) to further push the first inner rotary key (62) and the first outer rotary key (64) to move towards the pulling mop (2) and enable the first outer rotary key (64) and the pulling mop (2) to be linked; a pushing block (68) is arranged in the inner lock container (4), and when the key (9) is inserted from the inner lock container (4), the second inner rotating key (63) is pushed through the pushing block (68) to further push the second outer rotating key (65) and enable the second outer rotating key (65) to be linked with the pulling mop (2).

5. The novel anti-break self-locking lock cylinder according to claim 4, characterized in that a first inner rotation key receiving cavity (621) is formed at one side of the first inner rotation key (62) facing the plug pin assembly (8), a first protruding portion (622) is convexly formed at one side of the first inner rotation key (62) facing away from the plug pin assembly (8), the first protruding portion (622) is provided with a first rotation key pin hole (623) communicated with the first inner rotation key receiving cavity (621) and allowing the rotation key pin (61) to pass through, and a pushing portion (611) located in the first inner rotation key receiving cavity (621) and a protruding portion (612) protruding out of the first inner rotation key receiving cavity (621) are arranged at one side of the rotation key pin (61) facing the plug pin assembly (8); a second inner rotating key accommodating cavity (631) is formed in one side, away from the first inner rotating key (62), of the second inner rotating key (63), a second protruding part (632) is convexly formed in one side, facing the first inner rotating key (62), of the second inner rotating key (63), the second protruding part (632) is provided with a second rotating key pin hole (633) communicated with the second inner rotating key accommodating cavity (631) and used for the rotating key pin (61) to penetrate through, and a limiting folding edge (613) located in the second inner rotating key accommodating cavity (631) is formed in an outward flanging mode in one side, away from the plug pin assembly (8), of the rotating key pin (61); the inner rotating key return spring (66) is sleeved between the first extending part (622) and the second extending part (632), and the outer rotating key return spring (67) is sleeved on the inner rotating key return spring (66) and is positioned between the first outer rotating key (64) and the second outer rotating key (65); the first inner rotating key (62) is also provided with a first inner inserting key part (624) used for being linked with the outer clutch piece (51) and a second inner inserting key part (625) used for being linked with the first outer rotating key (64), the outer clutch piece (51) is provided with a first inner inserting groove (514) matched with the first inner inserting key part (624), and the first outer rotating key (64) is provided with a second inner inserting groove (641) matched with the second inner inserting key part (625); the lock is characterized in that a third inner inserting key portion (634) used for being linked with the inner lock liner (4) and a fourth inner inserting key portion (635) used for being linked with the second outer rotating key (65) are arranged on the second inner rotating key (63), a third inner inserting slot (41) matched with the third inner inserting key portion (634) is arranged on the inner lock liner (4), and a fourth inner inserting slot (651) matched with the fourth inner inserting key portion (635) is arranged on the second outer rotating key (65).

6. The novel anti-breaking self-locking lock cylinder according to claim 5, characterized in that the length of the second inner inserting key part (625) is greater than the length of the first inner inserting key part (624), so that the second inner inserting key part (625) can also be linked with an outer clutch member (51), and a fifth inner slot (515) matched with the second inner inserting key part (625) is arranged on the outer clutch member (51); the length of the fourth inner inserting key part (635) is larger than that of the third inner inserting key part (634), so that the fourth inner inserting key part (635) can be further linked with the inner lock liner (4), and a sixth inner slot (42) matched with the fourth inner inserting key part (635) is formed in the inner lock liner (4).

7. The novel anti-breaking self-locking lock cylinder according to claim 5, characterized in that a first linkage key (642) for linkage with the pulling and pulling device (2) is further arranged on the first outer rotary key (64), a second linkage key (652) for linkage with the pulling and pulling device (2) is further arranged on the second outer rotary key (65), and the pulling and pulling device (2) is provided with a linkage groove (21) for matching with the first linkage key (642) or the second linkage key (652).

8. The novel anti-break self-locking lock cylinder according to any one of claims 1 to 7, wherein the plug assembly (8) comprises a push piece seat (82) and a push piece pin return spring (83), one side of the outer lock cylinder (3) facing the inner clutch piece (52) is provided with a push piece accommodating cavity (31) for accommodating the push piece seat (82) and a push piece inserting groove (32) communicated with the push piece accommodating cavity (31) and positioned outside the push piece accommodating cavity (31), the outside of the push piece seat (82) is provided with a push piece inserting key portion (821) protruding outwards and adapted to the push piece inserting groove (32), one side of the push piece seat (82) facing away from the inner clutch piece (52) is provided with a spring accommodating cavity (822) for accommodating the push piece pin return spring (83), the middle of the push piece seat (82) is provided with a push piece hole (823) for the push piece pin (81) to pass through and communicate with the spring accommodating cavity (822), one side of the push piece pin (81) departing from the inner clutch piece (52) is convexly provided with an extending part (811) with the diameter smaller than that of the spring accommodating cavity (822) and larger than the aperture of the push piece hole (823), and one side of the push piece pin (81) facing the inner clutch piece (52) sequentially penetrates through the push piece pin return spring (83) and the push piece hole (823); a first meson (34) clamping groove (33) communicated with the ejector slot (32) is formed in the outer peripheral surface of the outer lock container (3), the first meson (34) is assembled in the first meson (34) clamping groove (33), and the ejector insertion key part (821) is clamped in the ejector slot (32); one side of the inner clutch piece (52) facing the outer lock core (3) is provided with a first inserting key (524) matched with the push piece inserting groove (32).

9. The novel breakage-proof self-locking lock cylinder according to any one of claims 1 to 7, characterized in that the lock case assembly (1) comprises a beam (11), an outer lock case (12) and an extension case (13) assembled on one side of the beam (11), and an inner lock case (14) assembled on the other side of the beam (11); the cross beam (11) is provided with an assembly part (111) positioned at the upper end of the pulling and pulling part (2), an outer cross beam part (112) and an inner cross beam part (113) positioned on two sides of the assembly part (111), the outer cross beam part (112) is provided with an annular anti-breaking groove (110), and the lengthened shell (13) is assembled between the anti-breaking groove (110) and the assembly part (111); the locking marble component (7), the outer clutch piece (51) and the inner clutch piece (52) are respectively arranged in the lengthened shell (13), and the outer lock cylinder (3) is arranged in the outer lock shell (12); when the lock shell component (1) is broken, the breakage-proof groove (110) is broken.

10. The novel breakage-proof self-locking lock cylinder according to claim 8, characterized in that the lock shell assembly (1) comprises a cross beam (11), an outer lock shell (12) and an elongated shell (13) assembled on one side of the cross beam (11), and an inner lock shell (14) assembled on the other side of the cross beam (11); the cross beam (11) is provided with an assembly part (111) positioned at the upper end of the pulling and pulling part (2), an outer cross beam part (112) and an inner cross beam part (113) positioned on two sides of the assembly part (111), the outer cross beam part (112) is provided with an annular anti-breaking groove (110), and the lengthened shell (13) is assembled between the anti-breaking groove (110) and the assembly part (111); the locking marble component (7), the outer clutch piece (51) and the inner clutch piece (52) are respectively arranged in the lengthened shell (13), and the outer lock cylinder (3) is arranged in the outer lock shell (12); when the lock shell assembly (1) is broken, the cross beam (11) is broken at the breakage-proof groove (110).

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