High-strength anti-theft hinge

By incorporating protruding posts and reinforcing rods in the hinge design, the problem of existing hinges being easily sawed open is solved, achieving a high-strength anti-theft effect that maintains the connection even after being sawed open.

CN223824808UActive Publication Date: 2026-01-23PINGHU SUILUN STEEL PIPE PROD CO LTD
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Patent Information

Application Number
CN202520266361.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-23
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing hinges offer low security for unit doors or apartment doors, allowing thieves to enter and steal by sawing open the hinge shaft.

Method used

A high-strength anti-theft hinge was designed. By setting a first protruding post and a protruding strip to protect the hinge post, and combining the cooperation of a first reinforcing rod and a reinforcing hole, the hinge can be reconnected after being cut, thus increasing the reliability of anti-theft.

Benefits of technology

The hinge's anti-theft performance has been improved, ensuring that the connection remains even after the hinge has been sawed open, thus enhancing security.

✦ Generated by Eureka AI based on patent content.

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Abstract

The high-strength anti-theft hinge comprises a first connecting frame and a first connecting piece, the first connecting frame is arranged at the right end of the first connecting piece, a first C-shaped hole is formed in the left end of the first connecting frame, a first protruding column is arranged at the right end of the first connecting piece, and a second C-shaped hole is formed in the right end of the first connecting piece. The first protruding columns are matched with the first C-shaped holes, a plurality of first mounting blocks are arranged in the first connecting frame, first reinforcing rods are arranged on the first mounting blocks and correspond to the first protruding columns in a one-to-one mode, first reinforcing holes are formed in the first connecting piece, and the second reinforcing rods correspond to the first protruding columns in a one-to-one mode. And the first reinforcing holes are matched with the first reinforcing rods. The high-strength anti-theft hinge provided by the utility model is provided with the first convex column and the first convex strip, and the first reinforcing rod is matched with the first reinforcing hole, so that secondary protection can be realized after the first convex column is sawed off, the strength is improved, and the anti-theft reliability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of theftproof hinge, concretely relates to a high strength theftproof hinge. BACKGROUND

[0002] Hinge is used to connect two solids and allow the relative rotation between two. Hinge can be made of movable components, or by foldable material. Hinge is mainly installed on the door and window, and hinge is more installed on the cabinet, and according to the material classification, it is mainly divided into stainless steel hinge and iron hinge. However, when the hinge is used for unit door or household door, the thief only needs to insert the saw blade into the door gap to saw the hinge shaft, so as to open the door and enter the household to steal, and the safety is low. SUMMARY

[0003] In order to solve the problems in the prior art, the utility model provides a high strength theftproof hinge.

[0004] In order to achieve the above object, the utility model provides the following technical scheme:

[0005] A high strength theftproof hinge, comprising a first connecting frame and a first connecting sheet, the first connecting frame is arranged at the right end of the first connecting sheet, both ends of the first connecting frame are provided with first displacement openings, the front end of the first connecting frame is provided with a first hinge column, both ends of the first hinge column are provided with a first hinge pin, the front end of the first connecting sheet is provided with a second hinge column, the second hinge column is matched with the first hinge pin, the left end of the first connecting frame is provided with a first C-shaped hole, the right end of the first connecting sheet is provided with a first protruding column, the first protruding column is matched with the first C-shaped hole, a plurality of first mounting blocks are arranged in the first connecting frame, the first mounting blocks are provided with first reinforcing rods, the first reinforcing rods are matched with the first protruding column one by one, the first connecting sheet is provided with a first reinforcing hole, and the first reinforcing hole is matched with the first reinforcing rod.

[0006] Further, one end of the second hinge column close to the first hinge column is provided with a first through hole, the first through hole is matched with the first hinge pin, the tail end of the first hinge pin is provided with a first limiting circular table, one end of the first through hole away from the first hinge column is provided with a first limiting hole, and the first limiting hole is matched with the first limiting circular table.

[0007] Further, the first limiting hole is provided with a first pressing piece, the first pressing piece is matched with the first limiting hole, one end of the first limiting hole close to the first limiting circular table is provided with a first circular table groove, and the first circular table groove is matched with the first limiting circular table.

[0008] Furthermore, the first mounting block has a first guide hole at one end near the first connecting piece, and a second guide hole at the other end away from the first connecting piece. The diameter of the first guide hole is smaller than the diameter of the second guide hole. The first reinforcing rod matches the first guide hole, and a first guide block is provided at the other end of the first reinforcing rod away from the first connecting piece. The first guide block matches the second guide hole.

[0009] Furthermore, a first spring is provided inside the second guide hole, one end of the first spring is connected to the first guide block, and the other end of the first spring is connected to the first connecting frame.

[0010] Furthermore, the first connecting piece is provided with a plurality of first protruding strips at one end near the first connecting frame, and the first protruding strips match the first C-shaped hole.

[0011] The present invention discloses a high-strength anti-theft hinge. Compared with the prior art, its advantages are that it is equipped with a first protruding post and a first protruding strip to protect the first hinge post and the second hinge post. At the same time, through the cooperation of the first reinforcing rod and the first reinforcing hole, it can achieve secondary protection after sawing open the first protruding post, thereby improving strength and increasing anti-theft reliability. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure from one perspective of a preferred embodiment of the present invention.

[0013] Figure 2 This is a structural schematic diagram from another perspective of a preferred embodiment provided by this utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the first reinforcing rod in a preferred embodiment of the present invention.

[0015] Figure 4 This is a schematic diagram of the structure of the first hinge pin in a preferred embodiment of the present invention.

[0016] The reference numerals in the accompanying drawings include: 100, first connecting piece; 110, first protruding strip; 120, first protruding post; 130, first reinforcing hole; 140, first mounting hole; 200, first connecting frame; 210, first C-shaped hole; 220, first mounting block; 221, second guide hole; 222, first guide hole; 230, first reinforcing rod; 240, first guide block; 250, first spring; 260, second mounting hole; 310, first hinge post; 311, first hinge pin; 312, first limiting frustum; 320, second hinge post; 321, first through hole; 322, first limiting hole; 330, first pressing member; 331, first frustum groove. Detailed Implementation

[0017] This utility model discloses a high-strength anti-theft hinge. The specific implementation of this utility model will be further described below with reference to preferred embodiments.

[0018] See attached diagram. Figures 1-4 , Figure 1 This is a schematic diagram of the structure from one perspective of a preferred embodiment provided by this utility model. Figure 2 This is a structural schematic diagram from another perspective of a preferred embodiment provided by this utility model. Figure 3 This is a schematic diagram of the structure of the first reinforcing rod 230 in a preferred embodiment of the present invention. Figure 4 This is a schematic diagram of the structure of the first hinge pin 311 in a preferred embodiment of the present invention.

[0019] Preferred embodiment.

[0020] This embodiment provides a high-strength anti-theft hinge, including a first connecting frame 200 and a first connecting piece 100. The first connecting frame 200 is disposed at the right end of the first connecting piece 100. The first connecting frame 200 has first clearance openings at both ends. The front end of the first connecting frame 200 has a first hinge post 310, and the two ends of the first hinge post 310 have first hinge pins 311. The front end of the first connecting piece 100 has a second hinge post 320, which matches the first hinge pins 311. The left end of the connecting frame 200 is provided with a first C-shaped hole 210, and the right end of the first connecting piece 100 is provided with a first protruding post 120. The first protruding post 120 matches the first C-shaped hole 210. The first connecting frame 200 is provided with a plurality of first mounting blocks 220. The first mounting block 220 is provided with a first reinforcing rod 230. The first reinforcing rod 230 corresponds one-to-one with the first protruding post 120. The first connecting piece 100 is provided with a first reinforcing hole 130. The first reinforcing hole 130 matches the first reinforcing rod 230.

[0021] Furthermore, the second hinge post 320 is provided with a first through hole 321 at one end near the first hinge post 310. The first through hole 321 matches the first hinge pin 311. The end of the first hinge pin 311 is provided with a first limiting frustum 312. The end of the first through hole 321 away from the first hinge post 310 is provided with a first limiting hole 322. The first limiting hole 322 matches the first limiting frustum 312.

[0022] Further, the first limiting hole 322 is provided with a first pressing piece 330, the first pressing piece 330 is matched with the first limiting hole 322, and the first limiting hole 322 is provided with a first circular platform groove 331 at one end of the first limiting circular platform 312, and the first circular platform groove 331 is matched with the first limiting circular platform 312.

[0023] Further, the first mounting block 220 is provided with a first guide hole 222 at one end of the first connecting sheet 100, the first guide hole 222 is provided with a second guide hole 221 at one end away from the first connecting sheet 100, the hole diameter of the first guide hole 222 is smaller than the hole diameter of the second guide hole 221, the first reinforcing rod 230 is matched with the first guide hole 222, the first reinforcing rod 230 is provided with a first guide block 240 at one end away from the first connecting sheet 100, and the first guide block 240 is matched with the second guide hole 221.

[0024] Further, the first guide hole 222 is provided with a first spring 250, one end of the first spring 250 is connected with the first guide block 240, and the other end of the first spring 250 is connected with the first connecting frame 200.

[0025] Further, the first connecting sheet 100 is provided with a plurality of first protruding strips 110 at one end close to the first connecting frame 200, and the first protruding strips 110 are matched with the first C-shaped hole 210.

[0026] Working principle: it is installed on the door for use, when the door is closed, the first protruding column 120 and the first protruding strip 110 are inserted into the first C-shaped hole 210, the first spring 250 pushes the first reinforcing rod 230 to abut against the first protruding column 120. When encountering a burglary, when the first protruding column 120 is sawn off, the first protruding column 120 falls into the first connecting frame 200, the first reinforcing hole 130 is exposed, the first spring 250 pushes the first guide block 240, so that the first reinforcing rod 230 is inserted into the first reinforcing hole 130, reconnection is realized, the hinge shaft is protected again, and the safety is increased. The first protruding strip 110 also protects the hinge shaft, and ensures that the anti-theft effect of the hinge is better. The first connecting sheet 100 is provided with a first mounting hole 140, the first connecting frame 200 is provided with a second mounting hole 260, and the first mounting hole 140 and the second mounting hole 260 are used for mounting the high-strength anti-theft hinge.

[0027] It is worth mentioning that the first circular table groove 331 and other technical features involved in the utility model patent application should be regarded as prior art, the specific structure, working principle and possible control mode, spatial arrangement mode of these technical features can be selected by using the conventional selection in the field, and should not be regarded as the utility model point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0028] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, as long as the modification, equivalent replacement, improvement and the like are within the spirit and principle of the utility model, and should be included in the protection scope of the utility model.

Claims

1. A high-strength anti-theft hinge, characterized in that, The system includes a first connecting frame (200) and a first connecting piece (100). The first connecting frame (200) is located at the right end of the first connecting piece (100). The first connecting frame (200) has first clearance openings at both ends. A first hinge post (310) is located at the front end of the first connecting frame (200), and first hinge pins (311) are located at both ends of the first hinge post (310). A second hinge post (320) is located at the front end of the first connecting piece (100), and the second hinge post (320) matches the first hinge pin (311). The left end of the first connecting frame (200) is provided with... The first connecting piece (100) has a first C-shaped hole (210), and a first protruding post (120) is provided at the right end of the first connecting piece (100). The first protruding post (120) matches the first C-shaped hole (210). The first connecting frame (200) is provided with a plurality of first mounting blocks (220). The first mounting block (220) is provided with a first reinforcing rod (230). The first reinforcing rod (230) corresponds one-to-one with the first protruding post (120). The first connecting piece (100) is provided with a first reinforcing hole (130). The first reinforcing hole (130) matches the first reinforcing rod (230).

2. The high-strength anti-theft hinge according to claim 1, characterized in that, The second hinge post (320) has a first through hole (321) at one end near the first hinge post (310), the first through hole (321) matches the first hinge pin (311), the end of the first hinge pin (311) has a first limiting frustum (312), and the end of the first through hole (321) away from the first hinge post (310) has a first limiting hole (322), the first limiting hole (322) matches the first limiting frustum (312).

3. The high-strength anti-theft hinge according to claim 2, characterized in that, The first limiting hole (322) is provided with a first pressing member (330), which matches the first limiting hole (322). The first limiting hole (322) is provided with a first frustum groove (331) at one end near the first limiting frustum (312), which matches the first limiting frustum (312).

4. The high-strength anti-theft hinge according to claim 3, characterized in that, The first mounting block (220) has a first guide hole (222) at one end near the first connecting piece (100), and a second guide hole (221) at the other end away from the first connecting piece (100). The diameter of the first guide hole (222) is smaller than the diameter of the second guide hole (221). The first reinforcing rod (230) matches the first guide hole (222). The first reinforcing rod (230) has a first guide block (240) at one end away from the first connecting piece (100). The first guide block (240) matches the second guide hole (221). A first spring (250) is provided in the second guide hole (221). One end of the first spring (250) is connected to the first guide block (240), and the other end of the first spring (250) is connected to the first connecting frame (200).

5. The high-strength anti-theft hinge according to claim 4, characterized in that, The first connecting piece (100) has a plurality of first protruding strips (110) at one end near the first connecting frame (200), and the first protruding strips (110) match the first C-shaped hole (210).