CN219100974U

CN219100974U - Lock set

Info

Publication number: CN219100974U
Application number: CN202223397021.0U
Authority: CN
Inventors: 冯伟坚
Original assignee: Zhongshan Tianzhuo Hardware Technology Co ltd
Current assignee: Zhongshan Tianzhuo Hardware Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-30
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a lockset, which comprises a lock cylinder and a key, wherein the lock cylinder comprises a lock shell, a lock liner, a poking sleeve and a locking device, a top ball component is arranged on the lock liner, a floating ball component is arranged on the key, the locking device comprises a brake ball locking mechanism, the brake ball locking mechanism is arranged on the lock liner at the other side of a key hole, the lock comprises a brake ball, a brake ball spring, a locking piece spring, a brake ball hole for fixing the brake ball spring and installing the brake ball, a locking piece spring for fixing the locking piece spring and installing the locking piece, a first groove matched with the locking piece is arranged at one side of the brake ball, a second groove matched with the floating ball on the key is arranged at the other side of the brake ball, one side of the brake ball hole is communicated with the key hole, and the other side of the brake ball hole is communicated with the locking piece hole. The lock with the structure enriches the braking structure of the lock cylinder matched with the floating bead in the key in the prior art, improves the anti-theft performance of the lock, and has the advantages of simple braking bead structure and low production cost.

Description

Lock set

Technical Field

The present disclosure relates to locks, and particularly to a lock with a lock core and an adapter key.

Background

The lock in the prior art has the floating bead in the key, realizes unblanking through the cooperation of the floating bead on the key and the marble or the primary and secondary beads in the lock liner, increases the theftproof nature, also effectively prevents simultaneously that the key from being duplicated or by 3D printing and duplicating, but with floating bead matched with lock core structure is rare, in order to enrich with floating bead assorted lock core structure, except improving on the marble, still need design other braking structures to constantly improve the theftproof function.

Disclosure of Invention

In order to overcome the above-mentioned shortcomings of the prior art, the present utility model provides a lock with a locking mechanism of a brake bead, which is matched with a floating bead key.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a tool to lock, includes lock core and key, the lock core includes lock shell, lock courage, dials cover and locking device, the lock shell is equipped with and is used for the installation the lock courage hole of lock courage, lock courage axial direction is equipped with the key hole, be equipped with the top pearl subassembly on the lock courage of one side of key hole, the top pearl subassembly includes the top pearl, be equipped with on the key with top pearl matched with floating pearl subassembly, floating pearl subassembly includes the floating pearl, locking device includes braking pearl locking mechanical system, braking pearl locking mechanical system set up in on the lock courage of the opposite side of key hole, including braking pearl, braking pearl spring, locking piece spring, fixing braking pearl spring and installation braking pearl hole, fixing locking piece spring and installation locking piece hole, one side of braking pearl be equipped with locking piece matched with first recess, just first recess can be linked together with the locking piece hole, the opposite side of braking pearl is equipped with on the key and floats matched with second recess, and can be linked together with the second recess.

When no key is inserted, the first groove on the brake bead is staggered with the locking piece under the action of the brake bead spring, so that the locking piece cannot fall into the first groove, and locking is realized; when a key is inserted, the top bead pushes one side of a floating bead on the key, so that the other side of the floating bead enters a second groove of the brake bead, and the brake bead moves in the brake bead hole, so that a first groove on the other side of the brake bead is aligned with the locking piece, the key is rotated at the moment to drive the lock liner to rotate, and the inner wall of the lock shell presses the contact surface of the locking piece and the inner wall of the lock shell to press a part of the locking piece into the first groove, so that unlocking is realized.

Further, the detent bead hole is disposed parallel to the key hole, and the locking piece hole is disposed perpendicular to the detent bead hole.

Still further, the locking piece is the hanging bead, the hanging bead have the round pin post and with the cap that the round pin post is connected, the locking piece hole has the step, the locking piece spring is located on the round pin post, and one end support lean on the step, the other end support lean on the cap with the one side that the round pin post is connected.

Still further, the top bead assembly further comprises a top bead hole perpendicular to the key hole, a top bead sealing bead and a top bead spring capable of pushing the top bead to axially move in the top bead hole, wherein the top bead hole is communicated with the key hole, and when no key is inserted, at least a part of the top bead stretches into the key hole under the thrust of the top bead spring.

Still further, locking device still includes dysmorphism pearl locking mechanical system, the key have with dysmorphism pearl locking mechanical system matched with track groove, dysmorphism pearl locking mechanical system includes dysmorphism pearl, dysmorphism pearl spring, horizontal bars spring, the horizontal bars groove of fixed horizontal bars spring and horizontal bars, installs dysmorphism pearl with the dysmorphism pearl hole of dysmorphism pearl spring, one side of dysmorphism pearl is equipped with the third recess, and the opposite side is equipped with and stirs the piece, stir the piece and stretch into in the key hole.

Still further, locking device still includes cylinder lock courage mechanism, cylinder lock courage mechanism including set up in first mounting hole on the lock shell with set up in second mounting hole on the lock courage, set gradually in the first mounting hole and seal pearl, spring, flat pearl, be equipped with the marble in the second mounting hole, have on the key with marble matched with tooth flower.

Still further, the floating bead assembly on the key further comprises a through hole and a floating bead sealing cover arranged in the through hole, and the floating bead can transversely move in the floating bead sealing cover.

Still further, the float bead has a lumbar ring that mates with the float bead cover cavity and facilitates movement of the float bead.

Further, the surfaces of both sides of the floating bead are provided with a third inclined surface which facilitates the insertion or extraction of the key.

The beneficial effects of the utility model are as follows: compared with the prior art, the brake bead locking mechanism is provided with the brake bead, when no key is inserted, the brake bead jacks up the locking piece to be clamped between the lock liner and the lock shell, the lock is locked, after the key is inserted, the floating bead on the key is jacked up through the jacking bead on the lock liner, then the floating bead of the key enters one side of the brake bead, the brake bead is further enabled to generate displacement, and the displacement enables the locking piece to fall into a groove on the other side of the brake bead, so that unlocking is realized. The structure enriches the braking structure of the lock core matched with the floating beads in the key in the prior art, and if the lock core is matched with other locking devices in the prior art, the anti-theft performance of the lockset is greatly improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is an exploded view of one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of one embodiment of a brake bead locking mechanism in the latched state;

FIG. 3 is a schematic cross-sectional view of an embodiment of a brake bead locking mechanism with a key inserted;

FIG. 4 is a schematic cross-sectional view of an embodiment of a brake bead locking mechanism when unlocked;

FIG. 5 is a schematic cross-sectional view of another embodiment of a brake bead locking mechanism with a key inserted;

FIG. 6 is a schematic cross-sectional view of the shaped bead lock mechanism in the latched condition;

FIG. 7 is a schematic cross-sectional view of a shaped bead lock mechanism unlocking;

FIG. 8 is a schematic cross-sectional view of the pin tumbler lock mechanism in a latched condition;

fig. 9 is a schematic cross-sectional view of the pin tumbler lock mechanism when unlocked.

Detailed Description

Fig. 1 to 4 show an embodiment of the present utility model, including a lock cylinder and a key, where the lock cylinder includes a lock case 1, a lock cylinder 2, a dial sleeve 3 and a locking device, the lock case 1 is provided with a lock cylinder hole 11 for installing the lock cylinder 2, the lock cylinder 2 is provided with a key hole 21 in an axial direction, and a top bead assembly 4 is provided on the lock cylinder on one side of the key hole 21, in this embodiment, the top bead assembly 4 includes a top bead 41, a top bead hole 42 perpendicular to the key hole 21, a top bead seal 43 and a top bead spring 44 capable of pushing the top bead 41 to move axially in the top bead hole 42, the top bead hole 42 is communicated with the key hole 21, the top bead 41 and the top bead spring 44 are installed in the top bead hole 42, the top bead seal 43 is used for sealing the top bead hole 42, and the top bead spring 44 is between the top bead seal 43 and the top bead 41. Referring to fig. 2, when no key is inserted, at least a portion of the top bead 41 protrudes into the key hole 21 under the urging force of the top bead spring 44. In order to prevent the top bead 41 from clamping the key, a side of the top bead 41 facing the key hole 21 has a first inclined surface 411 for facilitating the entry or removal of the key.

In this embodiment, the key is provided with a floating bead assembly 5 matched with the top bead 41, the floating bead assembly 5 comprises a floating bead 51, a through hole 52 and a floating bead cover 53 installed in the through hole 52, and the floating bead 51 can move transversely in the floating bead cover 53. The lateral direction herein refers to the axial direction of the through-hole 52. In order to enable the floating bead 51 to axially move in the floating bead cover 53 without shaking, a waist ring 54 is arranged in the middle of the floating bead upper 51, the outer diameter of the waist ring 54 is matched with the inner diameter of the inner cavity of the floating bead cover 53, and the floating bead cover 53 is provided with a convex edge for blocking the waist ring 54 from falling off. Due to the mobility of the float beads 51, when the key is not inserted into the lock, the float beads 51 may protrude slightly from the outer surface of the key, and in order to prevent the key from being locked, the surface of the float beads 51 is designed to have a shape of a slope 511 to facilitate the insertion or removal of the key into or from the lock cylinder.

The locking device comprises a brake bead locking mechanism 6, the brake bead locking mechanism 6 is arranged on the lock cylinder 2 on the other side of the key hole 21 corresponding to the top bead assembly 4, and comprises a brake bead 61, a brake bead spring 62, a locking piece spring 64, a brake bead spring 62 fixed and a brake bead hole 65 for installing the brake bead 61, a locking piece spring 64 fixed and a locking piece hole 66 for installing the locking piece, a first groove 611 matched with the locking piece is arranged on one side of the brake bead 61, the groove 611 can be communicated with the locking piece hole 66, a second groove 612 matched with the floating bead 51 on the key is arranged on the other side, and the groove 612 can be communicated with the key hole 21. Preferably, the detent ball hole 65 is disposed parallel to the key hole 21, the locking member hole 66 is disposed perpendicular to the detent ball hole 65, the detent ball 61 is axially movable within the detent ball hole 65, and the locking member 63 is movable along the locking member hole 66 and disposed perpendicular to the detent ball 61.

In the present embodiment, the locking member is a latch 63 having a boss 631, and the locking member springs 64 are disposed on both sides of the boss 631.

In order to allow the float ball 51 in the key to conveniently enter or exit the groove 612 on the brake ball 61, the groove edge of the groove 612 of the brake ball 61 is provided with a bevel 6121.

Fig. 5 shows another embodiment of the brake bead locking mechanism 6, in which the locking member is a hanging bead, specifically, the hanging bead 67 has a pin 671 and a cap 672 connected to the pin 671, the locking member hole 66 has a step 661, the locking member spring 64 is sleeved on the pin 671, one end of the locking member spring abuts against the step 661, and the other end of the locking member spring abuts against the side of the cap 672 connected to the pin 671.

When no key is inserted, the brake bead 61 abuts against the inner wall of the lock shell 1 under the action of the brake bead spring 62, and the first groove 611 on the brake bead 61 is staggered with the boss 631 of the clamping block 63, so that the boss 631 on one side of the clamping block 63 cannot fall into the first groove 611, and the other side of the clamping block 63 is clamped between the lock cylinder and the lock shell, so that locking is realized; when a key is inserted, the top bead 41 pushes the floating bead 51 on the key towards one side of the top bead 41 under the action of the top bead spring 44, so that the floating bead 51 enters the groove 612 on one side of the brake bead 61 towards the key hole 21 towards one side of the brake bead 61, and the brake bead 61 moves axially in the brake bead hole 65, so that the groove 611 on one side of the brake bead 61 towards the clamping block 63 aligns with the clamping block 63, and when the key is turned, the key drives the lock cylinder 2 to rotate, the inner wall of the lock shell 1 presses the contact surface of the clamping block 63 and the inner wall of the lock shell 1, the boss 631 on the clamping block 63 is pressed into the first groove 611, and the clamping block 63 releases the lock shell, so that unlocking is realized. In order to enable the latch 63 to be smoothly pressed into the groove 611, the contact surface of the latch 63 and the lock housing 1 is designed to have a shape of a slope 632.

When the locking piece is in the shape of a hanging bead, the first groove 611 is staggered with the pin 671 in the hanging bead 67 during locking, so that the hanging bead 67 cannot fall into the groove 611; when the key is inserted, as shown in fig. 5, the locking bead 51 is displaced, the groove 611 is opposite to the pin 671 in the locking piece hole 66, the key is turned to drive the lock cylinder to rotate, the pin 671 falls into the groove 611, and the cap 672 in the hanging bead releases the lock shell to unlock. In order to allow the hanging bead 67 to be smoothly pressed into the groove 611, the contact surface of the cap 672 in the hanging bead 67 with the lock case 1 is designed to have a shape of an inclined surface 673.

The brake beads can be one or a plurality of brake beads, and correspondingly, the brake beads also have corresponding numbers of top beads and floating beads.

Referring to fig. 6 and 7, the locking device further includes a special-shaped bead locking mechanism 7, the key has a track groove 9 matched with the special-shaped bead locking mechanism 7, the special-shaped bead locking mechanism 7 includes a special-shaped bead 71, a special-shaped bead spring 72, a transverse grid 73, a transverse grid spring 74, a transverse grid groove 75 for fixing the transverse grid spring 74 and the transverse grid 73, a special-shaped bead hole 76 for installing the special-shaped bead 71 and the special-shaped bead spring 72, a third groove 711 is arranged on one side of the special-shaped bead 71, a poking piece 712 is arranged on the other side of the special-shaped bead, and the poking piece 712 extends into the key hole 21. Referring to fig. 5, when no key is inserted, the special-shaped bead 71 is reset under the action of the special-shaped bead spring 72, so that the groove 711 on the special-shaped bead is staggered with the transverse grid 73, and the transverse grid 73 always has a force in the lock shell direction under the action of the transverse grid spring 74, so that the transverse grid 73 cannot fall into the groove 711, and the transverse grid 73 is jacked up, so that the transverse grid 73 is clamped between the lock shell and the lock liner, and locking is realized; referring to fig. 6, a key is inserted, the track groove 9 on the key drives the poking piece 712 on the special-shaped bead, so that the groove 711 on the special-shaped bead is aligned with the transverse grid 73, the key is turned, the transverse grid 73 is pressed into the groove 711 under the pressure of the inner wall of the lock shell, and the lock shell is released, so that unlocking is realized.

Referring to fig. 8 and 9, the locking device further includes a cylinder lock core mechanism 8, the cylinder lock core mechanism 8 includes a first mounting hole 81 provided on the lock case 1 and a second mounting hole 82 provided on the lock core 2, a sealing bead 83, a spring 84, and a flat bead 85 are sequentially provided in the first mounting hole 81, a marble 86 is provided in the second mounting hole 82, and a tooth 10 matched with the marble 86 is provided on the key. Referring to fig. 7, when no key is inserted, ping Zhuka is latched between the cylinder and the housing; referring to fig. 8, when a key is inserted, the key bit 10 cooperates with the marble 86 to release the lock cylinder from the flat marble 85, thereby unlocking the lock.

The above embodiments are not intended to limit the scope of the present utility model, and those skilled in the art may make any substitution or variation of the conventional means without departing from the general inventive concept.

Claims

1. The utility model provides a tool to lock, includes lock core and key, the lock core includes lock shell (1), lock courage (2), dials cover (3) and locking device, lock shell (1) are equipped with and are used for the installation lock courage hole (11) of lock courage (2), lock courage (2) axial direction is equipped with key hole (21), its characterized in that: the lock core of one side of the key hole (21) is provided with a top bead assembly (4), the top bead assembly (4) comprises a top bead (41), the key is provided with a floating bead assembly (5) matched with the top bead (41), the floating bead assembly (5) comprises a floating bead (51), the locking device comprises a brake bead locking mechanism (6), the brake bead locking mechanism (6) is arranged on the lock core (2) of the other side of the key hole (21), the lock core comprises a brake bead (61), a brake bead spring (62), a locking piece spring (64), a brake bead spring (62) and a brake bead hole (65) for installing the brake bead (61), the locking piece spring (64) is fixed and a locking piece hole (66) for installing the locking piece, one side of the brake bead (61) is provided with a first groove (611) matched with the locking piece, the first groove (611) can be communicated with the locking piece hole (66), the other side of the brake bead (61) is provided with a second groove (612) matched with the key (61) when the brake bead (61) is inserted into the second groove (612) and can be communicated with the second groove (21), staggering a first groove (611) on the brake bead (61) from the locking piece, so that the locking piece cannot fall into the first groove (611) to realize locking; when a key is inserted, the top bead (41) pushes one side of a floating bead (51) on the key, so that the other side of the floating bead (51) enters a second groove (612) of the brake bead (61), and then the brake bead (61) moves in the brake bead hole (65), so that a first groove (611) on the other side of the brake bead (61) is aligned with the locking piece, the key is rotated at the moment, the lock liner (2) is driven to rotate, the inner wall of the lock shell (1) presses the contact surface of the locking piece and the inner wall of the lock shell (1), and a part of the locking piece is pressed into the first groove (611) to realize unlocking.

2. The lock according to claim 1, wherein: the detent bead hole (65) is arranged parallel to the key hole (21), and the locking piece hole (66) is arranged perpendicular to the detent bead hole (65).

3. The lock according to claim 1 or 2, characterized in that: the locking piece is a clamping block (63) with a boss (631), and the locking piece springs (64) are arranged on two sides of the boss (631).

4. The lock according to claim 1 or 2, characterized in that: the locking piece is a hanging bead (67), the hanging bead (67) is provided with a pin column (671) and a cap (672) connected with the pin column (671), the locking piece hole (66) is provided with a step (661), the locking piece spring (64) is sleeved on the pin column (671), one end of the locking piece spring is abutted against the step (661), and the other end of the locking piece spring is abutted against one side of the cap (672) connected with the pin column (671).

5. The lock according to claim 1 or 2, characterized in that: the top ball assembly (4) further comprises a top ball hole (42) perpendicular to the key hole (21), a top ball sealing ball (43) and a top ball spring (44) capable of pushing the top ball (41) to axially move in the top ball hole (42), the top ball hole (42) is communicated with the key hole (21), and when no key is inserted, at least one part of the top ball (41) stretches into the key hole (21) under the pushing force of the top ball spring (44).

6. The lock according to claim 1 or 2, characterized in that: the locking device further comprises a special-shaped bead locking mechanism (7), the key is provided with a track groove (9) matched with the special-shaped bead locking mechanism (7), the special-shaped bead locking mechanism (7) comprises special-shaped beads (71), special-shaped bead springs (72), transverse grids (73), transverse grid springs (74), transverse grid grooves (75) for fixing the transverse grid springs (74) and the transverse grids (73), special-shaped beads (71) and special-shaped bead holes (76) of the special-shaped bead springs (72) are arranged, one side of each special-shaped bead (71) is provided with a third groove (711), the other side of each special-shaped bead is provided with a stirring piece (712), and the stirring pieces (712) extend into the key holes (21).

7. The lock according to claim 1 or 2, characterized in that: the locking device further comprises a cylinder lock liner mechanism (8), the cylinder lock liner mechanism (8) comprises a first mounting hole (81) formed in the lock shell (1) and a second mounting hole (82) formed in the lock liner (2), a sealing bead (83), a spring (84) and a flat bead (85) are sequentially arranged in the first mounting hole (81), a marble (86) is arranged in the second mounting hole (82), and teeth (10) matched with the marble (86) are arranged on the key.

8. The lock according to claim 1 or 2, characterized in that: the floating bead assembly (5) on the key further comprises a through hole (52) and a floating bead sealing cover (53) arranged in the through hole (52), and the floating bead (51) can transversely move in the floating bead sealing cover (53).

9. The lock according to claim 8, wherein: the float bead (51) has a waist ring (54) that mates with the interior cavity of the float bead cover (53) and facilitates movement of the float bead (51).

10. The lock according to claim 1 or 2, characterized in that: the surfaces of both sides of the floating bead (51) are provided with a third inclined surface (511) which facilitates the insertion or extraction of the key.