CN217481003U

CN217481003U - Anti-theft lock

Info

Publication number: CN217481003U
Application number: CN202220052864.8U
Authority: CN
Inventors: 李金旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-09-23
Anticipated expiration: 2032-01-10

Abstract

The utility model provides an anti-theft lock, including lock core, lock core shell, blade, etc. parts, the lock core inserts in the lock core shell, the lock core has seted up the blade groove, the blade groove pierces through in the lock core and communicates with the key hole, the blade is located the blade groove, the lock core shell is provided with first recess and second recess, the lock core is between first recess and second recess, can do the rectilinear movement between first recess and second recess when the blade both ends aim at first recess and second recess respectively, be provided with first arch on the blade, first arch is located the key hole passageway, when the key hole inserts the matching key, first arch slides in the spout of key, the blade is done the rectilinear movement between first recess and second recess when receiving the key that inserts to promote, the utility model discloses relative to prior art, the structure is simpler, and the manufacturing is easier, has practiced thrift manufacturing cost, the stability and the reliability of the whole lock head are improved.

Description

Anti-theft lock

Technical Field

The utility model relates to a tool to lock technical field specifically is an anti-theft lock.

Background

The key hole channel of the existing anti-theft lock is larger, and lawless persons can insert unmatched unlocking tools such as iron wires, flat iron needles and the like into the key hole channel to move the blade or the marble to open the lock easily, so that the existing anti-theft lock is poor in anti-theft performance.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned background art, the utility model provides a technical scheme of pickproof lock has solved above-mentioned background art's problem.

The utility model adopts the technical scheme that: the utility model provides an anti-theft lock, includes lock core, lock core shell and blade, its characterized in that: the lock core is inserted into the lock core shell, the lock core is provided with a blade groove, the blade groove penetrates through the lock core and is communicated with the key hole, the blade is located in the blade groove, the lock core shell is provided with a first groove and a second groove, the lock core is arranged between the first groove and the second groove, when two ends of the blade are respectively aligned to the first groove and the second groove, linear movement can be conducted between the first groove and the second groove, a first bulge is arranged on the blade, and the first bulge is located in the key hole channel.

Further, the blade can be pushed by the key, when the key is inserted into the key hole, the first protrusion enters the sliding groove of the key, and when the blade is pushed by the inserted key, the blade moves linearly between the first groove and the second groove.

Furthermore, the lock core is further provided with a blocking piece, the lock core is further provided with a slotted hole, the slotted hole is communicated with the key hole, the blocking piece is located in the slotted hole, the lock core shell is further provided with a third groove, the blocking piece can be inserted into the third groove and/or the key hole when being moved, the blocking piece and the blades are not interfered with each other, and the moving track of the blocking piece during linear movement is perpendicular to the moving track of the blades during linear movement.

Further, still include first spring, first spring control shielding piece resets.

Further, the lock further comprises a second spring, the second spring is installed in the lock cylinder, and the second spring controls the blade to reset.

Further, when the blocking piece moves towards the direction of the key hole, the key hole channel is reduced or closed, and conversely, when the blocking piece moves towards the direction of the third groove, the key hole channel is enlarged.

Further, when the blade and the shielding block simultaneously protrude out of the lock cylinder to twist the lock cylinder, the shielding block touches the lock cylinder shell before the blade.

Furthermore, a clamp spring for preventing the lock cylinder from being separated from the lock cylinder shell is installed at one end of the lock cylinder.

Further, when the key is inserted into the key hole to unlock, the shielding block is inserted into the key hole and also inserted into the key.

Further, at least two vanes are mounted within the lock cylinder.

The utility model discloses beneficial effect:

1. the utility model discloses be provided with and shelter from the dog, shelter from the piece and will close the key hole passageway and just can twist reverse the lock core and unblank when unblanking, shelter from the piece and close the key hole passageway and block that unmatched unlocking means such as iron wire, flat iron needle for the lawless persons inserts the key hole passageway and open the lock when unblanking, have improved the theftproof performance of lock greatly.

2. Compared with the prior art, the utility model, the structure is more simple, and it is easier to manufacture, has practiced thrift manufacturing cost, has promoted whole tapered end stability and reliability.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the shielding block of the present invention;

FIG. 3 is a schematic view of a blade of the present invention;

fig. 4 is a sectional view of the lock cylinder housing of the present invention.

In the figure: 1. a lock cylinder; 11. a vane groove; 12. a slot; 13. a clamp spring groove; 2. a lock cylinder housing; 21. a first groove; 22. a second groove; 23. a third groove; 3. a blade; 31. a first protrusion; 32. a second protrusion; 4. a key; 41. a chute; 5. a stop block; 6. a first spring; 7. a second spring; 8. and a clamp spring.

Detailed Description

The utility model provides an anti-theft lock, includes lock core 1, lock core shell 2, blade 3, key 4, hides dog 5, first spring 6, second spring 7 and jump ring 8, its characterized in that: the lock core 1 is inserted into a lock core shell 2, the lock core 1 is provided with a blade groove 11, the blade groove 11 penetrates through the lock core 1 and is communicated with a key hole, the blade 3 is positioned in the blade groove 11, at least two blades 3 are installed in the lock core 1, one blade is installed in one blade groove 11, the lock core shell 2 is provided with a first groove 21 and a second groove 22, the lock core 1 is arranged between the first groove 21 and the second groove 22, the first groove 21 and the second groove 22 are respectively arranged on two sides of the lock core 1, when two ends of the blade 3 are respectively aligned with the first groove 21 and the second groove 22, the blade can linearly move between the first groove 21 and the second groove 22, a first bulge 31 is arranged on the blade 3, and the first bulge 31 is positioned in the key hole channel.

Wherein, the blade 3 can be pushed by the key 4, when the key 4 is inserted, the first protrusion 31 enters the sliding groove 41 of the key 4, and the first protrusion 31 slides in along the sliding groove 41; when the blade 3 is pushed by the inserted key 4, the blade 3 moves linearly between the first groove 21 and the second groove 22.

The lock core (1) is further provided with a slotted hole 12, the slotted hole 12 is communicated with a key hole, the blocking piece 5 is located in the slotted hole 12, the lock core shell 2 is further provided with a third groove 23, the blocking piece 5 can be moved to be inserted into the third groove 23 and/or the key hole, the blocking piece 5 and the blade 3 are not interfered with each other, and the moving track of the blocking piece 5 during linear movement is perpendicular to the moving track of the blade 3 during linear movement.

The first spring 6 controls the blocking piece 5 to reset, one end of the first spring 6 is propped against the blocking piece 5, the other end of the first spring is propped against the lock cylinder shell 2, so that the blocking piece 5 is always positioned to close the key hole channel under the condition of no external force intervention, and the blocking piece 5 does not protrude out of the lock cylinder 1.

The second spring 7 is installed in the lock cylinder 1, the second spring 7 controls the blade 3 to reset, the blade 3 is further provided with a second protrusion 32, and one end of the second spring 7 abuts against the second protrusion 32 arranged on the blade 3.

When the blocking piece 5 moves towards the direction of the key hole, the key hole channel is reduced or closed, and conversely, when the blocking piece 5 moves towards the direction of the third groove 23, the key hole channel is enlarged.

When the blade 3 and the stopper 5 simultaneously protrude from the lock cylinder 1 to twist the lock cylinder 1, the stopper 5 touches the lock cylinder housing 2 before the blade 3.

The clamp spring 8 for preventing the lock cylinder 1 from being separated from the lock cylinder shell 2 is installed at one end of the lock cylinder 1, the clamp spring 8 is installed in a clamp spring groove 13 in the lock cylinder 1, and the clamp spring 8 can be replaced by a bolt according to design requirements.

When the key 4 is inserted into the key hole to unlock, the shielding block 5 is inserted into the key hole and is also inserted into the key 4.

This part describes in detail the embodiments of the present invention, preferred examples of which are shown in the accompanying drawings, which function to supplement the description of the text part of the description with graphics, enabling one to understand visually and vividly every technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the invention.

In the description of the present invention, the first, second, third, etc. description is only for the purpose of distinguishing technical features, and is not to be interpreted as indicating or implying relative importance or implicit indicating the number of technical features referred to or implicit indicating the precedence of the technical features referred to.

Claims

1. The utility model provides an anti-theft lock, includes lock core (1), lock core shell (2) and blade (3), its characterized in that: the lock cylinder (1) is inserted into a lock cylinder shell (2), a blade groove (11) is formed in the lock cylinder (1), the blade groove (11) penetrates through the lock cylinder (1) and is communicated with a key hole, the blade (3) is located in the blade groove (11), the lock cylinder shell (2) is provided with a first groove (21) and a second groove (22), the lock cylinder (1) is located between the first groove (21) and the second groove (22), when two ends of the blade (3) are respectively aligned to the first groove (21) and the second groove (22), the blade can linearly move between the first groove (21) and the second groove (22), a first bulge (31) is arranged on the blade (3), and the first bulge (31) is located in the key hole channel.

2. The anti-theft lock of claim 1, wherein: the blade (3) can be pushed by the key (4), when a key hole is inserted into the key (4), the first protrusion (31) enters a sliding groove (41) of the key (4), and when the blade (3) is pushed by the inserted key (4), the blade (3) moves linearly between the first groove (21) and the second groove (22).

3. The anti-theft lock of claim 1, wherein: the lock core is characterized by further comprising a blocking piece (5), wherein a slotted hole (12) is further formed in the lock core (1), the slotted hole (12) is communicated with a key hole, the blocking piece (5) is located in the slotted hole (12), a third groove (23) is further formed in the lock core shell (2), the blocking piece (5) can be moved to be inserted into the third groove (23) and/or the key hole, the blocking piece (5) and the blade (3) are not interfered with each other, and the moving track of the blocking piece (5) during linear movement is perpendicular to the moving track of the blade (3) during linear movement.

4. The anti-theft lock of claim 3, wherein: the automatic window shade is characterized by further comprising a first spring (6), wherein the first spring (6) controls the shade block piece (5) to reset.

5. The anti-theft lock according to claim 2 or 3, characterized in that: the lock core is characterized by further comprising a second spring (7), wherein the second spring (7) is installed in the lock core (1), and the second spring (7) controls the blade (3) to reset.

6. The anti-theft lock of claim 3, wherein: when the blocking piece (5) moves towards the direction of the key hole, the key hole channel is reduced or closed, and conversely, when the blocking piece (5) moves towards the direction of the third groove (23), the key hole channel is enlarged.

7. The anti-theft lock of claim 3, wherein: when the blade (3) and the baffle block (5) simultaneously protrude out of the lock cylinder (1) to turn the lock cylinder (1), the baffle block (5) contacts the lock cylinder shell (2) before the blade (3).

8. The anti-theft lock according to claim 2 or 3, characterized in that: and a clamp spring (8) for preventing the lock cylinder (1) from being separated from the lock cylinder shell (2) is arranged at one end of the lock cylinder (1).

9. The anti-theft lock of claim 3, wherein: when the key (4) is inserted into the key hole to unlock, the blocking piece (5) is inserted into the key hole and is also inserted into the key (4).

10. The anti-theft lock of claim 1, wherein: at least two blades (3) are arranged in the lock core (1).