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Door lock

A door lock and lock shell technology, applied in the field of locks, can solve problems such as insufficient functions, affecting escape, and inability to open doors smoothly, and achieve the effect of complete functions

Pending Publication Date: 2022-02-18
中山市三工金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing smart door locks are not perfect in function. For example, when the motor breaks down and causes the clutch to lock the bolt, the door cannot be opened smoothly. Especially when a safety accident occurs, if the motor breaks down, it will affect people. escape

Method used

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific ...

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Abstract

The invention discloses a door lock which comprises a lock shell, a spring bolt assembly and a locking device. A mounting cavity is formed in the lock shell, and a bolt hole is formed in one side wall of the mounting cavity; the spring bolt assembly comprises an overturning bolt, a mounting plate and a reset elastic piece, the mounting plate is movably mounted in the mounting cavity, the overturning bolt penetrates through the bolt hole and is rotatably connected to the mounting plate, the end, away from the mounting plate, of the overturning bolt is provided with a first auxiliary face, and the reset elastic piece can drive the mounting plate to move to be close to the bolt hole; the locking device is arranged between the lock shell and the mounting plate, and when the first auxiliary face rotates to the position parallel to the moving direction of the mounting plate, the locking device can limit rotation of the overturning bolt. An unlocking assembly is arranged on the lock shell, is in transmission connection with the mounting plate and can drive the mounting plate to move away from the bolt hole. According to the door lock, the door can be opened in emergency when the locking device fails, and the function is more complete.

Description

technical field [0001] The invention relates to the technical field of locks, in particular to a door lock. Background technique [0002] At present, there is a smart door lock on the market that opens the door by turning the oblique tongue. When the door is in the closed state, the oblique tongue of the door lock is inserted into the lock groove on the door frame. During the door opening process, by pushing the door body, the lock groove The side wall contacts and pushes the latch bolt to turn over, so that the surface of the latch bolt in contact with the side wall of the lock groove becomes an inclined surface inclined relative to the side wall of the lock groove, and then the side wall of the lock groove can push the latch bolt back into the lock housing. This enables the door to be opened. This smart door lock is provided with a motor and a clutch connected to the motor transmission. When locking the door, the oblique bolt is inserted into the lock groove on the door f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B47/00E05B15/00E05B15/10
CPCE05B47/0012E05B15/00E05B15/10E05B47/0603
Inventor 杨勇强
Owner 中山市三工金属制品有限公司
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