CN115749547A

CN115749547A - Anti-theft door with pick-proof function

Info

Publication number: CN115749547A
Application number: CN202211576232.2A
Authority: CN
Inventors: 唐仙强; 项继平; 许乐; 王荣臻
Original assignee: Zhejiang Jinkaide Smart Home Co ltd
Current assignee: Zhejiang Jinkaide Smart Home Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-03-07

Abstract

A security door with a prying-resistant function comprises a door leaf and a door frame, wherein the door leaf comprises an outer door plate and an inner door plate; the lock is characterized in that a lock joint boss is arranged on one side of the outer door plate close to the lock, a groove matched with the lock joint boss is arranged on the door frame, a connecting hook hole is formed in the lock setting position of the door leaf by the lock joint boss, and a rotary connecting hook driven by a lock bolt of the lock is arranged at the lock setting position of the door frame; when the door is opened and the lock bolt of the lockset retracts, the rotary connecting hook is in a natural state, when the lock bolt extends out after the door is closed, the lock bolt drives the rotary connecting hook to rotate, then the connecting hook of the rotary connecting hook is clamped into the connecting hook hole of the fastening boss, the door frame and the fastening boss form a connecting body, thereby improving the anti-prying performance of the security door, and meanwhile, the fastening boss is clamped into the groove which is arranged on the door frame and is matched with the fastening boss, so that the door can be prevented from being opened manually through clamping the door seam in the way of clamping the door bolt through soft cards and the like.

Description

Anti-theft door with pick-proof function

Technical Field

The invention belongs to the field of anti-prying doors, and particularly relates to an anti-prying anti-theft door.

Background

The security door is a barrier for the indoor security of buildings, and the security performance and the anti-theft performance of the security door directly concern the security of residents. Therefore, a door leaf and a door frame of a general security door on the market are matched with each other, and a security mechanism is arranged on one side close to a lockset so as to improve the security performance of the security door, for example, 202111633419.7, which is named as a security door, and mainly adopts a mode that a first security steel is arranged on the door leaf and a second security steel is arranged at a corresponding position of the door frame, but the first security steel and the second security steel are both straight-sheet structures, have poor structural strength and are easy to be damaged by external force and deformed, and simultaneously, the first security steel and the second security steel respectively play a role and cannot form resultant force to improve the performance of the security door damaged.

Disclosure of Invention

In order to solve the technical problem, the invention provides a security door with a prying-resistant function.

In order to solve the technical problems, the anti-theft door with the anti-prying function comprises a door leaf and a door frame, wherein the door leaf comprises an outer door plate and an inner door plate; the door frame is provided with a rotary connecting hook driven by a lock tongue of the lock, the rotary connecting hook can be rotatably arranged on the door frame through a rotating shaft, one end of the rotary connecting hook is connected with the door frame through a reset spring, and the other end of the rotary connecting hook is provided with a connecting hook; when the lock tongue of the door opening lock retracts, the rotary connecting hook is in a natural state; when the door is closed and the lock bolt extends out, the lock bolt drives the rotary connecting hook to rotate, then the connecting hook of the rotary connecting hook is clamped into the connecting hook hole of the fastening boss, and the door frame and the fastening boss form a connected body.

Furthermore, the buckling lug boss is in a T shape or an L shape.

Furthermore, the door leaf is also provided with a main lock and an upper and lower auxiliary lock, the fastening boss is provided with connecting hook holes at the positions where the main lock and the upper and lower auxiliary lock are arranged on the door leaf, and the door frame is provided with rotary connecting hooks at the positions where the main lock and the upper and lower auxiliary lock are arranged on the door leaf.

Furthermore, the door frame is provided with a detachable sealing cover at the position where the rotary connecting hook is arranged, and the rotary connecting hook is convenient to assemble through the sealing cover.

The invention has the beneficial effects that: when the door is opened and the lock bolt of the lockset retracts, the rotary connecting hook is in a natural state, when the lock bolt extends out after the door is closed, the lock bolt drives the rotary connecting hook to rotate, then the connecting hook of the rotary connecting hook is clamped into the connecting hook hole of the fastening boss, the door frame and the fastening boss form a connecting body, thereby improving the anti-prying performance of the security door, meanwhile, the fastening boss is also clamped into the mutually matched groove arranged on the door frame and the fastening boss, and the door can be prevented from being opened by people through the clamping of the door seam and the like into the lock bolt position.

Drawings

FIG. 1 is a schematic view of the structure of the security door of the present invention;

FIGS. 2 and 3 are schematic views of the fastening boss positions of the door leaf of the security door of the present invention;

FIG. 4 is a schematic view of the position structure of the lock assembled on the doorframe of the security door of the present invention;

FIG. 5 and FIG. 7 are schematic views of the lock position of the anti-theft door of the present invention

FIG. 6 is an enlarged view of the part A in FIG. 5;

fig. 8 is an enlarged view of the part B in fig. 7.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The following description is of the preferred embodiment of the invention for the purpose of illustrating the general principles of the invention and is not intended to limit the scope of the invention. The scope of the present invention is defined by the appended claims.

The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

Examples

As shown in fig. 1-7, a security door with anti-prying function comprises a door leaf 1 and a door frame 2, wherein the door leaf 1 comprises an outer door plate 1a and an inner door plate 1b; the lock is characterized in that a lock joint boss 1a1 is arranged on one side, close to a lock, of the outer door plate 1a, a groove 2a matched with the lock joint boss 1a1 is formed in the door frame 2, a connecting hook hole 1a1-1 is formed in the lock position of the door leaf 1, a rotating connecting hook 3 driven by a lock bolt of the lock is arranged in the lock position of the door frame 2, the rotating connecting hook 3 is rotatably arranged on the door frame 2 through a rotating shaft 3b, the rotating connecting hook 3 extends towards two sides along the rotating shaft 3b, one end of the rotating connecting hook 3 is connected with the door frame 2 through a reset spring 3c, and a connecting hook 3a is arranged at the other end of the rotating connecting hook 3; as shown in fig. 6, when the door opening latch is retracted, the rotating link hook 3 is in a natural state; as shown in fig. 8, when the door is closed and the lock tongue of the lock extends through the lock tongue hole 2b of the door frame 2, the lock tongue of the lock drives the rotary connecting hook 3 to rotate, and then the connecting hook 3a of the rotary connecting hook 3 passes through the communicating hole 2a1 at the position of the groove 2a and is clamped into the connecting hook hole 1a1-1 of the fastening boss 1a1, so that the door frame 2 and the fastening boss 1a1 form a connected body. After the door frame 2 and the fastening boss 1a1 form a connection body, under the condition that a lock tongue of the lock is not driven to retract by a key, the connecting hook 3a of the rotary connecting hook 3 can always hook the connecting hook hole 1a1-1 of the fastening boss 1a1, and at the moment, the door leaf 1 cannot be pulled outwards or opened from one side of the outer door plate 1a, so that the anti-prying performance of the anti-theft door is effectively improved; simultaneously when door leaf 1 closed, in the recess 2a with lock joint boss 1a1 that set up on the door frame 2 is also buckled to lock joint boss 1a1, also can prevent that the manual form such as through soft card from stretching into the tool to lock spring bolt position and opening the lock.

More preferably, as shown in fig. 2 and 3, the fastening boss 1a1 is T-shaped or L-shaped. The fastening boss 1a1 is T-shaped or L-shaped, so that a connecting hook hole 1a1-1 can be conveniently formed, and meanwhile, when the fastening boss is T-shaped, an outward small boss is arranged on the outer side of the fastening boss, so that the prying resistance is improved, and the difficulty that a lock is opened manually by stretching into the lock tongue position of the lock through a soft card and the like is improved.

More preferably, the door leaf 1 is further provided with a main lock 4 and upper and lower auxiliary locks 5, the fastening boss 1a1 is provided with connecting hook holes 1a1-1 at positions where the main lock 4 and the upper and lower auxiliary locks 5 are provided on the door leaf 1, and the door frame 2 is provided with rotary connecting hooks 3 at positions where the main lock 4 and the upper and lower auxiliary locks 5 are provided on the door leaf 1. Through set up swivelling joint hook 3 simultaneously in main lock 4 and 5 positions on the lower vice lock to after door leaf 1 closes and the tool to lock spring bolt stretches out the locking, more effectively all form door frame 2 and lock joint boss 1a1 disjunctor position at main lock 4 and 5 positions on the lower vice lock, more effectively improve the pick-proof performance of burglary-resisting door.

More preferably, the door frame 2 is provided with a detachable cover 2c at the position where the rotary connecting hook 3 is arranged, and the rotary connecting hook 3 is conveniently assembled through the cover 2 c.

The invention has the beneficial effects that: when the door is opened and the lock bolt retracts, the rotary connecting hook is in a natural state, when the lock bolt extends out after the door is closed, the lock bolt drives the rotary connecting hook to rotate, the connecting hook of the rotary connecting hook is clamped into the connecting hook hole of the fastening boss, the door frame and the fastening boss form a connected body, and therefore the anti-prying performance of the anti-theft door is improved, meanwhile, the fastening boss is also clamped into the mutually matched groove formed in the door frame and the fastening boss, and the door lock can be prevented from being opened manually through clamping of soft cards and the like into the lock bolt through the door seam.

The foregoing description shows and describes the preferred embodiments of the present invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, and is not to be construed as excluding other embodiments, and that the invention is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A security door with a prying-resistant function comprises a door leaf (1) and a door frame (2), wherein the door leaf (1) comprises an outer door plate (1 a) and an inner door plate (1 b); the door is characterized in that a fastening boss (1 a 1) is arranged on one side, close to a lock, of the outer door plate (1 a), a groove (2 a) matched with the fastening boss (1 a 1) is formed in the door frame (2), a connecting hook hole (1 a 1-1) is formed in the fastening boss (1 a 1) at the position, where the lock is arranged, of the door leaf (1), a rotary connecting hook (3) driven by a lock tongue of the lock is arranged at the position, where the lock is arranged, of the door frame (2), the rotary connecting hook (3) is rotatably arranged on the door frame (2) through a rotating shaft (3 b), one end of the rotary connecting hook (3) is connected with the door frame (2) through a reset spring (3 c), and a connecting hook (3 a) is arranged at the other end of the rotary connecting hook (3); when the bolt of the door opening lock retracts, the rotary connecting hook (3) is in a natural state; when the lock tongue of the lock extends out after the door is closed, the lock tongue drives the rotary connecting hook (3) to rotate, then the connecting hook (3 a) of the rotary connecting hook (3) is clamped into the connecting hook hole (1 a 1-1) of the fastening boss (1 a 1), and the door frame (2) and the fastening boss (1 a 1) form a connected body.

2. The anti-theft door with anti-prying function according to claim 1, wherein the buckling boss (1 a 1) is T-shaped or L-shaped.

3. The anti-theft door with the anti-prying function according to claim 1 or 2, characterized in that the door leaf (1) is further provided with a main lock (4) and upper and lower auxiliary locks (5), the fastening boss (1 a 1) is provided with a connecting hook hole (1 a 1-1) at the position where the door leaf (1) is provided with the main lock (4) and the upper and lower auxiliary locks (5), and the door frame (2) is provided with a rotary connecting hook (3) at the position where the door leaf (1) is provided with the main lock (4) and the upper and lower auxiliary locks (5).

4. A security door with pick-proof function according to claim 3, characterized in that the position of said door frame (2) where said rotary connection hook (3) is provided with a removable cover (2 c), through which cover (2 c) the assembly of rotary connection hook (3) is facilitated.