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Door lock

A door lock and unlocking technology, which is applied to building locks, non-mechanical transmission-operated locks, buildings, etc., can solve problems such as inconvenient operation, achieve reliability and stability, high unlocking convenience, and improve operation convenience Effect

Pending Publication Date: 2020-06-26
上海英德曼智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the above problems in the prior art and propose a door lock that solves the problem of inconvenient operation when the user unlocks it.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as figure 1 , figure 2 and image 3 As shown, the door lock includes a lock box 1 and a square tongue 2, a bolt assembly 3 and a triangular tongue assembly 11 that can extend or retract in the same direction in the lock box 1. The square tongue 2 and the bolt assembly 3 are arranged on The two sides of triangular tongue assembly 11. Wherein, the triangular tongue assembly 11 comprises a triangular tongue bar 11a, a triangular tongue 11b connected to the end of the triangular tongue bar 11a and a supporting spring one 11c sleeved on the triangular tongue bar 11a, and the elastic force of the triangular tongue bar 11a on the supporting spring one 11c Under the action, there is always a tendency to make the triangular tongue 11b protrude out of the lock box 1; the latch bolt assembly 3 includes a latch rod 3a, a latch tongue 3b connected to the end of the latch rod 3a, and a support sleeved on the latch rod 3a Spring two 3c, oblique bolt bar 3a have the tendency t...

Embodiment 2

[0057] The structure and principle of this embodiment are basically the same as those of the first embodiment, except that in this embodiment, the length of the force-receiving arm 5b is 2.5 times the length of the force-exerting arm 5a.

Embodiment 3

[0059] The structure and principle of this embodiment are basically the same as those of the first embodiment, except that in this embodiment, the length of the force-receiving arm 5b is three times the length of the force-applying arm 5a.

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PUM

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Abstract

The invention provides a door lock, and belongs to the technical field of door locks. The problem that operation is inconvenient when a user unlocks the door lock is solved. The door lock comprises alock box, a square tongue and an inclined tongue assembly, wherein the square tongue and the inclined tongue assembly are arranged on the lock box and can stretch out and draw back; an elastic lockingblock assembly perpendicular to the inclined tongue assembly is arranged in the lock box in a sliding manner and can slide under the action of the elastic force of the elastic locking block assemblyto lock the inclined tongue assembly stretching out of the lock box; an unlocking piece with a force applying arm and a force bearing arm and an unlocking wheel assembly capable of driving the squaretongue to draw back during rotation are hinged in the lock box; the end portion of the force applying arm is inserted in the elastic locking block assembly to form linkage; the length of the force bearing arm is larger than that of the force applying arm; The force bearing arm is positioned on one side of the unlocking wheel assembly; the unlocking wheel assembly is provided with an acting part; and when the unlocking wheel assembly rotates, the acting part can act on the side, close to the end portion, of the force bearing arm, and the unlocking piece swings to unlock the inclined tongue assembly. The door lock has the beneficial effects of being convenient to unlock, more labor-saving, more reliable, and more stable and the like.

Description

technical field [0001] The invention belongs to the technical field of door locks, and relates to door locks. Background technique [0002] In existing mortise door locks, in addition to using the square bolt as the main bolt to realize the locking function of the door, auxiliary bolts such as oblique bolt components are usually provided to improve the safety of the door lock. The latch bolt assembly is always in the state of protruding out of the lock box under normal conditions. When the door is closed, the latch bolt assembly is inserted into the slot on the door frame first, and then the control mechanism in the door lock controls the square tongue to protrude out of the lock box. And insert it into the corresponding slot on the door frame to realize complete locking. The locking bolt assembly first and then the square bolt is the most reasonable locking sequence. After the bolt bolt assembly is inserted into the slot first, it can play a role in the preliminary positio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B63/14E05B47/00E05B15/00
CPCE05B63/146E05B47/0012E05B47/026E05B15/00E05B2047/0021
Inventor 林靖
Owner 上海英德曼智能科技有限公司