Anti-theft lock structure with high anti-theft performance

By using stainless steel inner and outer handle panels, solid screw connections, and anti-drilling pins in the lock cylinder structure, the problems of weak materials and easily damaged lock cylinders in traditional anti-theft locks are solved, achieving a dual anti-pry and anti-drilling effect for both the lock cylinder and handle with high anti-theft performance.

CN223577736UActive Publication Date: 2025-11-21ZHEJIANG XINGZHU TECH CO LTD
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Patent Information

Application Number
CN202422674851.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-11-21
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Traditional anti-theft locks have weak handle panels and lack anti-drilling mechanisms in the lock cylinder, resulting in insufficient anti-theft performance and difficulty in effectively resisting damage by vandals.

Method used

An anti-theft lock structure was designed, comprising an inner handle panel, an outer handle panel, and a door lock assembly. It is made of stainless steel, with the inner and outer handle panels connected by solid screws. The lock cylinder is equipped with an anti-drilling pin and an anti-drilling assembly, including an anti-drilling stop, an anti-drilling block, and an anti-drilling base plate, which are fixed by full welding. The lock cylinder is linked with the transmission assembly to achieve double anti-pry and anti-drilling.

Benefits of technology

It significantly improves the anti-pry and anti-drilling performance of the anti-theft lock, effectively resists damage from special tools, and enhances the strength and security of the lock cylinder and handle.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223577736U_ABST
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Abstract

The utility model discloses an anti-theft lock structure with high anti-theft performance, which comprises an inner handle panel, an outer handle door plate and a door lock assembly arranged between the inner handle panel and the outer handle door plate, the inner handle panel is provided with an inner handle, the outer handle panel is provided with an outer handle, the outer handle panel is provided with a door lock mounting hole, and the door lock mounting hole is provided with a door lock. The door lock assembly comprises a lock body allowing the inner handle and the outer handle to be inserted and matched and a lock cylinder matched in the lock body and corresponding to the door lock mounting hole, an anti-drilling assembly is arranged in the door lock mounting hole, and the lock cylinder comprises a lock cylinder pipe, lock liners matched at the two ends of the lock cylinder pipe and a transmission assembly arranged in the lock cylinder pipe and linked with the lock liners. The anti-theft lock disclosed by the utility model is simple in structure, reasonable in design and good in anti-theft performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a theftproof lock technical field, concretely is a theftproof lock structure with high theftproof performance. BACKGROUND

[0002] In the life of the family, the entrance door will choose the entrance door with good protection ability to protect the safety of the family, the entrance door structure includes the door frame, the door board, the door lock and the operation handle, the handle is selectively arranged on the inside and outside of the door according to the type, the door lock is arranged in the handle, the traditional theftproof lock structure needs not only the theftproof of the door lock but also the anti-drilling of the handle to improve the theftproof performance, the traditional theftproof lock structure has the following problems: one, because the handle panel and the anti-drilling shield are all made of 1.5mm-2.0mm cold-rolled sheet, the material is weak, and it is easy to break or pry through the keyhole and the side of the panel with special tools, two, the cooperation between the inside and outside handle panels is fixedly connected through the insertion of the screw rod, which inevitably makes one side solid and the other side hollow, reducing the cooperation strength of the inside and outside handle panels, which cannot meet the requirements of customers on the theftproof performance, three, the lock cylinder lacks anti-drilling structure design, so that the thief can easily pry the lock cylinder after damaging the handle, therefore, it is urgent to be further optimized and improved. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in the prior art, and provides a theftproof lock structure which is simple in structure, reasonable in design and good in theftproof performance.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A theftproof lock structure with high theftproof performance, comprising an inner handle panel, an outer handle door plate and a door lock assembly arranged between the inner handle panel and the outer handle door plate, the inner handle panel is provided with an inner handle, the outer handle door plate is provided with an outer handle, the outer handle door plate is provided with a door lock mounting hole, the door lock assembly comprises a lock body for inserting and fitting the inner handle and the outer handle, and a lock cylinder matched in the lock body and corresponding to the door lock mounting hole, the door lock mounting hole is provided with an anti-drilling assembly, the lock cylinder comprises a lock cylinder pipe, a lock barrel matched at both ends of the lock cylinder pipe and a transmission assembly arranged in the lock cylinder pipe and linked with the lock barrel, the lock barrel is provided with an anti-drilling pin.

[0006] Preferably, the anti-drilling assembly comprises an anti-drilling block matched in the door lock mounting hole, an anti-drilling block embedded in the anti-drilling block and an anti-drilling bottom plate abutting on the anti-drilling block, the anti-drilling block is rotatably matched on the anti-drilling block, and the anti-drilling block and the lock barrel are both provided with a key hole.

[0007] Preferably, the anti-drilling block and the anti-drilling bottom plate are welded on the inner side of the outer handle door plate by full welding process.

[0008] Preferably, the outer pull handle door plate is symmetrically provided with outer connecting rods at both ends of the inner side, the inner pull handle panel is provided with inner connecting rods at positions corresponding to the outer connecting rods, and connecting sleeves are arranged between the outer connecting rods and the inner connecting rods.

[0009] Preferably, the outer handle is fixed on the outer pull handle door plate, and a hinge seat is arranged between the inner handle and the inner pull handle panel.

[0010] Preferably, the transmission assembly comprises, from right to left, a lock cylinder connecting plate, a connecting head, a lock cylinder dial and a transmission block which are sequentially arranged in the lock cylinder pipe, and the lock cylinder dial is connected with the lock body in linkage.

[0011] Preferably, the lock cylinder pipe is provided with a pin assembly at both ends, the pin assembly comprises two rows of misaligned pin holes, a driving pin and a pin spring arranged in the pin hole, and a pin steel ball arranged on the pin hole, one end of the pin spring is in abutment with the driving pin, and the other end is in abutment with the pin steel ball.

[0012] Preferably, the anti-drilling block is 9.0-10mm thick, the anti-drilling block is 9.0-10mm thick, and the anti-drilling bottom plate is 3.0-5mm thick.

[0013] Preferably, the inner pull handle panel and the outer pull handle door plate are integrally formed by using stainless steel material.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The anti-theft lock structure with high anti-theft performance has the anti-drilling pins arranged on the lock cylinder to achieve the anti-drilling of the door lock, and the anti-drilling assembly on the handle, so that the double anti-prying and anti-drilling design greatly improves the anti-theft effect.

[0016] 2. The anti-theft lock structure with high anti-theft performance, the position of the outer pull handle door plate lock hole, the anti-drilling assembly is arranged by the cooperation structure between the anti-drilling block, the anti-drilling block and the anti-drilling bottom plate, and the anti-drilling bottom plate and the anti-drilling block are fixed by full welding process, which can greatly resist impact force, and is firm and reliable to avoid the special tool pry open through the keyhole, more safe and reliable.

[0017] 3. The anti-theft lock structure with high anti-theft performance, the inner pull handle panel and the outer pull handle door plate are arranged on the upper and lower ends of the solid screw rod and the connecting sleeve, which greatly improves the cooperation strength of the inner and outer panels of the handle, avoids the damage of the breaker through the side of the outer pull handle panel, and is more safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a sectional view of the anti-theft lock structure with high anti-theft performance.

[0019] Fig. 2 It is an exploded view of the anti-theft lock structure with high anti-theft performance of the utility model;

[0020] Fig. 3 It is a schematic view of the outer handle door plate of the utility model;

[0021] Fig. 4 It is an exploded view of the lock cylinder of the utility model. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1-4 An anti-theft lock structure with high anti-theft performance, comprising an inner handle panel 1, an outer handle door plate 2 and a door lock assembly 3 arranged between the inner handle panel 1 and the outer handle door plate 2, the inner handle panel 1 is provided with an inner handle 4, the outer handle door plate 2 is provided with an outer handle 5, the outer handle door plate 2 is provided with a door lock mounting hole 21, the door lock assembly 3 comprises a lock body 32 for inserting and matching the inner handle 4 and the outer handle 5, and a lock cylinder 31 matched in the lock body 32 and corresponding to the door lock mounting hole 21, the door lock mounting hole 21 is provided with an anti-drilling assembly 6, the lock cylinder 31 comprises a lock cylinder pipe 311, a lock barrel 312 matched at both ends of the lock cylinder pipe 311 and a transmission assembly 313 arranged in the lock cylinder pipe 311 and linked with the lock barrel 312, the lock barrel 312 is provided with an anti-drilling pin 314, the anti-drilling pin 314 is arranged in the lock barrel 312 to realize the anti-drilling of the door lock, and the anti-drilling assembly 6 on the handle is matched, double anti-picking and anti-drilling design, which greatly improves the anti-theft effect.

[0024] The anti-drilling assembly 6 comprises an anti-drilling block 61 matched in the door lock mounting hole 21, an anti-drilling block 62 embedded in the anti-drilling block 61 and an anti-drilling bottom plate 63 abutting on the anti-drilling block 61, the anti-drilling block 62 is rotatably matched on the anti-drilling block 61, the anti-drilling block 62 and the lock barrel 312 are both provided with a key through hole 7, one side of the anti-drilling block abuts on the anti-drilling block 61, and the other side abuts on the door plate to improve the contact area, the anti-drilling block is embedded and matched with the anti-drilling block, the gap is kept within 0.15mm to ensure firm buckling and flexible rotation, and since each component of the anti-drilling assembly 6 is of solid material and is quenched, it is impact-resistant, firm and reliable.

[0025] The anti-drilling stopper 61 and the anti-drilling bottom plate 63 are welded on the inner side of the outer handle door plate 2 by full welding process, can greatly resist impact force, firmly and reliably avoid the special tool to be pried open through the key hole, and are safer and more reliable.

[0026] The outer connecting rod 8 is symmetrically arranged at both ends of the inner side of the outer handle door plate 2, the inner connecting rod 9 is arranged at the position corresponding to the outer connecting rod 8 on the inner side of the inner handle panel 1, and the connecting sleeve 10 is arranged between the outer connecting rod 8 and the inner connecting rod 9.

[0027] The outer handle 5 is fixedly arranged on the outer handle door plate 2, and the inner handle 4 is matched with the hinge seat 11 between the inner handle panel 1.

[0028] The transmission assembly 313 comprises a lock cylinder connecting plate 31a, a connecting head 31b, a lock cylinder dial 31c and a transmission block 31d which are sequentially matched in the lock cylinder pipe 311 from right to left.

[0029] The lock cylinder pipe 311 is matched with the lock cylinder 312 at both ends through the pin assembly 315.

[0030] The anti-drilling stopper 61 is 9.0-10mm thick, the anti-drilling block 62 is 9.0-10mm thick, and the anti-drilling bottom plate 63 is 3.0-5mm thick.

[0031] The inner handle panel 1 and the outer handle door plate 2 are integrally formed by using stainless steel material, are integrally formed by using SUS304 stainless steel with a thickness of 3.0mm, are firm and reliable, and are impact-resistant.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high anti-theft performance lock structure, comprising an inner handle panel, an outer handle door panel and a door lock assembly arranged between the inner handle panel and the outer handle door panel, an inner handle is arranged on the inner handle panel, an outer handle is arranged on the outer handle door panel, and a door lock mounting hole is arranged on the outer handle door panel, characterized in that: The door lock assembly comprises a lock body for the inner handle and the outer handle, and a lock cylinder matched in the lock body and corresponding to the door lock mounting hole, the door lock mounting hole is provided with an anti-drilling assembly, the lock cylinder comprises a lock cylinder pipe, a lock cylinder barrel matched at both ends of the lock cylinder pipe, and a transmission assembly arranged in the lock cylinder pipe and linked with the lock cylinder barrel, and the lock cylinder barrel is provided with an anti-drilling pin.

2. The high security lock structure of claim 1, wherein: The anti-drilling assembly comprises an anti-drilling block matched in the door lock mounting hole, an anti-drilling block embedded in the anti-drilling block, and an anti-drilling bottom plate abutting against the anti-drilling block, the anti-drilling block is rotatably matched on the anti-drilling block, and the anti-drilling block and the lock cylinder barrel are both provided with a key through hole.

3. The high security lock structure according to claim 2, wherein: The anti-drilling block and the anti-drilling bottom plate are welded on the inner side of the outer handle door plate by full welding process.

4. The high security lock structure of claim 1, wherein: Both ends of the inner side of the outer handle door plate are symmetrically provided with outer connecting rods, the inner side of the inner handle panel is provided with inner connecting rods corresponding to the positions where the outer connecting rods are located, and a connecting sleeve is arranged between the outer connecting rod and the inner connecting rod.

5. The high security lock structure of claim 3, wherein: The outer handle is fixedly arranged on the outer handle door plate, and the inner handle is matched with a hinge seat between the inner handle panel.

6. The high security lock structure of claim 1, wherein: The transmission assembly comprises a lock cylinder connecting piece, a connecting head, a lock cylinder dial and a transmission block which are sequentially matched in the lock cylinder pipe from right to left, and the lock cylinder dial is linked with the lock body.

7. The high security lock structure of claim 1, wherein: The lock cylinder pipe is matched with a billiard assembly between the lock cylinder barrels at both ends, the billiard assembly comprises two rows of misaligned billiard holes, a driving billiard and a billiard spring arranged in the billiard hole, and a billiard steel ball matched on the billiard hole, one end of the billiard spring abuts against the driving billiard, and the other end abuts against the billiard steel ball.

8. The high security lock structure of claim 2, wherein: The anti-drilling block is 9.0-10mm thick, the anti-drilling block is 9.0-10mm thick, and the anti-drilling bottom plate is 3.0-5mm thick.

9. The high-theft-resistant lock structure according to any one of claims 1 to 7, characterized in that: The inner handle panel and the outer handle door plate are integrally formed by stainless steel material.