Breakage-proof lock
By incorporating a cut-resistant reinforcing layer and reinforcement sections into the lock, and using high-hardness materials such as silicon carbide, the problem of insufficient cut resistance in locks has been solved, achieving a stronger protective effect.
Patent Information
- Application Number
- CN202521982570.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-09-16
AI Technical Summary
Existing locks are not sufficiently protective against cutting tools and are difficult to effectively resist damage.
Cut-resistant reinforcement layers and sections are installed on the U-shaped locking ring and lock body of the lock. High-hardness materials such as silicon carbide reinforcement layers are used to cover the surface or interior of the lock body, forming comprehensive cut-resistant protection.
The lock's resistance to cutting and damage has been improved by using a cutting-resistant reinforcement layer and reinforcement sections to block cutting tools, thus enhancing the lock's protective performance.
Smart Images

Figure CN223523547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lock technical field especially is related to a kind of anti-damage lock. BACKGROUND
[0002] The lock of prior art, in order to meet the demand of being illegally damaged, usually need to heat treat parts, such as quenching process, but due to the upper limit of quenching process hardness is lower, if cutting disc is used to damage lock, since the hardness of cutting disc is much greater than the hardness of metal after heat treatment, lock can still be easily damaged. SUMMARY
[0003] The utility model discloses a kind of anti-damage lock, to solve the problem existing in above-mentioned prior art, can improve the anti-cutting damage capability of lock.
[0004] To achieve the above object, the utility model provides the following scheme:
[0005] The utility model provides a kind of anti-damage lock, including U-shaped lock ring, lock body and the locking mechanism being installed in the lock body, the both ends of the lock body are equipped with lock hole, the both ends of the U-shaped lock ring are respectively inserted in two the lock hole and are locked with the lock body by the locking mechanism, the surface of the U-shaped lock ring is fixedly equipped with anti-cutting reinforcing layer, the anti-cutting reinforcing layer extends from one end of the U-shaped lock ring to the other end, and when the U-shaped lock ring is inserted and locked in the lock hole, the both ends of the anti-cutting reinforcing layer extend into the lock hole, the inside and / or outside of the lock body is fixedly equipped with anti-cutting reinforcing part, the anti-cutting reinforcing part extends from one end of the lock body to the other end of the lock body.
[0006] In an embodiment, the anti-cutting reinforcing part includes at least two anti-cutting strips, and the anti-cutting strips are fixed to the inside and / or outer surface of the lock body.
[0007] In an embodiment, the anti-cutting reinforcing part is an anti-cutting layer that completely covers the outer surface of the lock body.
[0008] In an embodiment, the anti-cutting reinforcing layer is a silicon carbide reinforcing layer.
[0009] In an embodiment, the anti-cutting reinforcing part is a silicon carbide reinforcing part.
[0010] In an embodiment, when the anti-cutting strips are provided in two, the two anti-cutting strips are fixed to the two sides of the lock body, respectively.
[0011] In an embodiment, when the anti-cutting strips are greater than two, the anti-cutting strips are evenly distributed on the lock body in a circumferential direction.
[0012] In an embodiment, when the anti-cutting strip is arranged on the outer surface of the lock body, the anti-cutting strip is an arc-shaped anti-cutting strip matched with the outer surface of the lock body.
[0013] In an embodiment, when the anti-cutting strip is arranged inside the lock body, the anti-cutting strip has an arc-shaped contact surface matched with the inner surface of the lock body.
[0014] The utility model discloses relative to prior art has obtained following technical effect:
[0015] The utility model provides a kind of anti-damage lock, and the surface of U-shaped lock ring is fixed with anti-cutting reinforcing layer, anti-cutting reinforcing layer is extended from one end of U-shaped lock ring to the other end, and when U-shaped lock ring is inserted and locked in lock hole, both ends of anti-cutting reinforcing layer are inserted into lock hole, can form comprehensive anti-cutting protection to U-shaped lock ring when locking, improve the anti-cutting ability of U-shaped lock ring, the inside and / or outside of lock body is fixed with anti-cutting reinforcing part, anti-cutting reinforcing part is extended from one end of lock body to the other end of lock body, can form anti-cutting protection to lock body in length direction when locking, improve the anti-cutting ability of lock body, when cutting lock with destructive tool, anti-cutting reinforcing layer and anti-cutting reinforcing part can block cutting tool, to improve the anti-cutting damage ability of lock. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0017] Figure 1 It is the structure schematic diagram of anti-damage lock (anti-cutting strip is located on the outer surface of lock body) in the embodiment of the utility model;
[0018] Figure 2 It is the structure schematic diagram of U-shaped lock ring in the embodiment of the utility model;
[0019] Figure 3 It is the side view schematic diagram of lock body (anti-cutting strip is located on the outer surface of lock body) in the embodiment of the utility model;
[0020] Figure 4 It is the exploded structure schematic diagram of anti-damage lock (anti-cutting strip is located inside lock body) in the embodiment of the utility model;
[0021] Figure 5 It is the section structure schematic diagram of anti-damage lock (anti-cutting strip is located inside lock body) in the embodiment of the utility model.
[0022] Fig. 1-U-shaped lock ring, 2-lock body, 3-lock hole, 4-anti-cutting reinforcing layer, 5-anti-cutting strip, 6-inner liner, 7-mounting groove. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be apparently 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 the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] The utility model discloses a kind of anti-damage locks, to solve the problems existing in prior art, can improve the anti-cutting damage capability of lock.
[0025] To make the above purposes, features and advantages of the utility model more apparent and easy to understand, the utility model is further described in detail below with reference to the drawings and specific embodiments.
[0026] As Figures 1-3 As shown in the figure, the embodiment provides an anti-damage lock, including U-shaped lock ring 1, lock body 2 and locking mechanism mounted in lock body 2, both ends of lock body 2 are provided with lock hole 3, both ends of U-shaped lock ring 1 are respectively inserted into two lock holes 3 and locked with lock body 2 by locking mechanism, the surface of U-shaped lock ring 1 is fixedly provided with anti-cutting reinforcing layer 4, anti-cutting reinforcing layer 4 extends from one end of U-shaped lock ring 1 to the other end, and when U-shaped lock ring 1 is inserted and locked in lock hole 3, both ends of anti-cutting reinforcing layer 4 extend into lock hole 3, which can form comprehensive anti-cutting protection for U-shaped lock ring 1 when locking, improve the anti-cutting ability of U-shaped lock ring 1, the inside and / or outside of lock body 2 is fixedly provided with anti-cutting reinforcing part, anti-cutting reinforcing part extends from one end of lock body 2 to the other end of lock body 2, which can form anti-cutting protection for lock body 2 in length direction when locking, improve the anti-cutting ability of lock body 2, when cutting tool cuts lock, anti-cutting reinforcing layer 4 and anti-cutting reinforcing part can block cutting tool, thereby improving the anti-cutting damage capability of lock.
[0027] Among them, anti-cutting reinforcing part includes at least two anti-cutting strips 5, anti-cutting strip 5 is fixed to the inside and / or outer surface of lock body 2, which forms anti-cutting protection for lock body 2 in length direction through anti-cutting strip 5, improves its anti-cutting damage capability. In other embodiments, anti-cutting reinforcing part can also be set as anti-cutting layer that completely covers the outer surface of lock body 2, thereby forming comprehensive anti-cutting protection for lock body 2.
[0028] As Figure 3As shown, when there are two anti-cutting strips 5, the two anti-cutting strips 5 are fixed on both sides of the lock body 2 respectively, thereby forming protection for the lock body 2 on both sides.
[0029] When there are more than two anti-cutting strips 5, each anti-cutting strip 5 is evenly distributed on the lock body 2 along the circumference, forming protection for the lock body 2 in multiple directions, further improving its anti-cutting and damage resistance.
[0030] like Figure 3 As shown, when the anti-cutting strip 5 is provided on the outer surface of the lock body 2, the anti-cutting strip 5 is an arc-shaped anti-cutting strip that matches the outer surface of the lock body 2, so that the anti-cutting strip 5 and the lock body 2 can fit together.
[0031] like Figures 4-5 As shown, when the anti-cutting strip 5 is installed inside the lock body 2, the anti-cutting strip 5 has an arc-shaped contact surface that matches the inner surface of the lock body 2. The inner lining 6 inside the lock body 2 is provided with a mounting groove 7, and the anti-cutting strip 5 is embedded and fixed in the mounting groove 7.
[0032] In this embodiment, the cut-resistant reinforcing layer 4 is a silicon carbide reinforcing layer, and the cut-resistant reinforcing part is also a silicon carbide reinforcing part. Silicon carbide typically has a hardness of HRC85 or higher, far exceeding that of commercially available metal materials, significantly improving its resistance to vandalism. Besides silicon carbide, other materials with high hardness can also be used.
[0033] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A tamper-resistant lock comprising a U-shaped lock ring, a lock body, and a locking mechanism mounted in the lock body, both ends of the lock body being provided with lock holes, both ends of the U-shaped lock ring being respectively inserted into the two lock holes and locked with the lock body by the locking mechanism, characterized in that: The surface of the U-shaped lock ring is fixed with a cutting-proof reinforcing layer, the cutting-proof reinforcing layer extends from one end of the U-shaped lock ring to the other end, and when the U-shaped lock ring is inserted and locked in the lock hole, the two ends of the cutting-proof reinforcing layer extend into the lock hole, and the inside and / or outside of the lock body is fixed with a cutting-proof reinforcing part which extends from one end of the lock body to the other end of the lock body. 2. The tamper-resistant lock of claim 1, wherein: The cutting-proof reinforcing part includes at least two cutting-proof strips which are fixed to the inside and / or outside surface of the lock body.
3. The tamper-resistant lock of claim 1, wherein: The cutting-proof reinforcing part is a cutting-proof layer which completely covers the outside surface of the lock body.
4. The tamper-resistant lock of claim 1, wherein: The cutting-proof reinforcing layer is a silicon carbide reinforcing layer.
5. The tamper-resistant lock of claim 1, wherein: The cutting-proof reinforcing part is a silicon carbide reinforcing part.
6. The tamper-resistant lock of claim 2, wherein: When the cutting-proof strips are two, the two cutting-proof strips are respectively fixed to the two sides of the lock body.
7. The tamper-resistant lock of claim 2, wherein: When the cutting-proof strips are more than two, each cutting-proof strip is uniformly distributed on the lock body in the circumferential direction.
8. The tamper-resistant lock of claim 2, wherein: When the cutting-proof strips are arranged on the outside surface of the lock body, the cutting-proof strips are circular arc-shaped cutting-proof strips which are matched with the outside surface of the lock body.
9. The tamper-resistant lock of claim 2, wherein: When the cutting-proof strips are arranged in the inside of the lock body, the cutting-proof strips have circular arc-shaped contact surfaces which are matched with the inside surface of the lock body.