Door lock structure prevented from being opened by special tool

By installing a protective cover at the door lock key hole and fixing it with the door lock main body, covering the lock core gap, and connecting it with the dust cover to the shaft snap-on, the problem that the door lock is easily opened by special tools is solved, and safety is improved.

CN223281865UActive Publication Date: 2025-08-29ZHEJIANG JINGYUN SMART HOME CO LTD
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Patent Information

Application Number
CN202422586871.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-08-29
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

There may be gaps in the existing door locks at the keyhole, resulting in special tools being inserted and opened, and insufficient security.

Method used

The protective cover is installed at the key hole of the door lock main body, and is fixed by the outer edge and screws to cover the gap between the lock core and the door lock main body, and an inner cavity is provided to fit the outside of the lock core, and is connected with the dustproof cover and the shaft to snap to form a closed structure.

Benefits of technology

Effectively reduce the gap between the door lock body and the lock core, improve safety, and prevent special tools from opening.

✦ Generated by Eureka AI based on patent content.

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Abstract

A door lock structure prevented from being opened by a special tool comprises a door lock body, a protective cover and a lock cylinder, the protective cover inserted into a door body is arranged on the back face, located at a key hole of the door lock body, of the door lock body, and the protective cover covers a gap between the lock cylinder and the door lock body. The door lock has the advantages that the gap between the door lock body and the lock cylinder is reduced and covered through the protective cover, and safety is improved.
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Description

Technical Field

[0001] The utility model relates to a door lock structure which can prevent a special tool from opening the door. Background Art

[0002] Existing door locks may have a gap in the keyhole during installation, which may allow the door to be opened by inserting a special tool. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a door lock structure that prevents special tools from opening.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a door lock structure that prevents special tools from opening, including a door lock body, a protective cover and a lock core. The door lock body is provided with a protective cover inserted into the door body on the back side of the door lock body at the keyhole of the door lock body, and the protective cover covers the gap between the lock core and the door lock body.

[0005] Furthermore, an outer edge is provided at one end of the protective cover, and the outer edge is attached to the back of the door lock body at the key hole of the door lock body.

[0006] Furthermore, one end of the protective cover is fixed to the back side of the door lock body at the key hole of the door lock body through the cooperation of the outer edge and screws.

[0007] Furthermore, an inner cavity is provided in the protective cover and fits the outer side of the lock core.

[0008] Furthermore, a dust cover is provided on the front of the door lock body at the keyhole of the door lock body.

[0009] Furthermore, the upper end of the dust cover is connected to the door lock body in a normally closed manner through a rotating shaft and a buckle.

[0010] The beneficial effects of the utility model are that the gap between the door lock body and the lock core is reduced and covered by the protective cover, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0012] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0013] Figure 3 It's an exploded view.

[0014] Figure 4 It is a schematic diagram of the protective cover structure. DETAILED DESCRIPTION

[0015] The following is a combination of the appended examples of the present invention Figure 1-4 , the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] Example 1 reference Figure 1-4 A door lock structure that prevents special tools from opening includes a door lock body 1, a protective cover 2 and a lock core 3. The back of the door lock body at the key hole 4 of the door lock body is provided with a protective cover 2 that is inserted into the door body. The protective cover 2 covers the gap between the lock core 3 and the door lock body 1.

[0017] The utility model relates to a door lock structure which prevents special tools from opening the door lock, wherein the key hole of the lock core is covered by a protective cover.

[0018] A door lock structure that prevents special tools from opening, wherein an outer edge 6 is provided at one end of a protective cover, and the outer edge of the protective cover is attached to the back of a door lock body at a key hole of the door lock body.

[0019] A door lock structure that prevents special tools from opening. One end of a protective cover is fixed to the back side of a door lock body at a keyhole of the door lock body through the cooperation of an outer edge and screws.

[0020] A door lock structure that prevents special tools from opening, wherein an inner cavity 5 that fits the outer side of the lock core is provided in a protective cover.

[0021] A door lock structure that prevents special tools from opening, a dust cover 8 is provided on the front of the door lock body at the key hole of the door lock body.

[0022] A door lock structure that prevents special tools from opening, wherein the upper end of the dust cover and the door lock body are connected in a normally closed manner via a rotating shaft and a buckle.

[0023] The protective cover reduces and covers the gap between the door lock body and the lock cylinder, thereby improving security.

[0024] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A door lock structure that prevents opening by special tools, comprising a door lock body, a protective cover, and a lock core, characterized in that: A protective cover inserted into the door body is provided on the back of the door lock body at the key hole of the door lock body, and the protective cover covers the gap between the lock core and the door lock body.

2. A door lock structure for preventing special tools from opening according to claim 1, characterized in that: One end of the protective cover is provided with an outer edge, and the other end of the protective cover is attached to the back side of the door lock body at the key hole of the door lock body through the outer edge.

3. A door lock structure for preventing special tools from opening according to claim 2, characterized in that: One end of the protective cover is fixed to the back side of the door lock body at the key hole of the door lock body through the cooperation of the outer edge and the screw.

4. A door lock structure for preventing special tools from opening according to claim 3, characterized in that: An inner cavity which fits the outer side of the lock core is arranged in the protective cover.

5. The door lock structure for preventing special tools from opening according to claim 1, characterized in that: A dust cover is provided on the front of the door lock body at the key hole of the door lock body.

6. The door lock structure for preventing special tools from opening according to claim 1, characterized in that: The upper end of the dust cover is connected to the door lock body in a normally closed manner through a rotating shaft and a buckle.