Inner room door lock

A door lock and inner room technology, which is applied in the field of hardware locks and inner room door locks, and can solve problems such as complex structure, high cost, and inconvenient use of door locks

Inactive Publication Date: 2011-07-06
常州金源汽车内饰有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore this type of door lock is very inconvenient to use, and its s

Method used

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Examples

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Example Embodiment

[0054] Hereinafter, the present invention will be further explained through the description of specific embodiments in conjunction with the drawings.

[0055] A typical specific implementation, as attached Figure 1~33 Shown.

[0056] An inner door lock includes an inner unlocking assembly 1, an outer unlocking assembly 2 and a lock tongue 3 that is adapted to a lock catch 5 connected to a fixed door frame, and it:

[0057] The lock tongue 3 has a rectangular and flat shape; the lock tongue 3 has a waist-round inner shaft through hole 3-1 arranged along the length direction, and a long side of the lock tongue 3 is used to toggle the lock tongue The laterally moving lock tongue toggles the boss 3-2. On the other long side of the lock tongue 3, there is a lock tongue laterally moving limit boss 3-3, on the other side relative to the lock head 3-4. There is a notch 3-5 for arranging the self-locking spring 1-5;

[0058] The inner unlocking assembly 1 includes an inner lock shell 1-1, a...

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PUM

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Abstract

The invention discloses an inner room door lock which comprises an inner unlocking component, an outer unlocking component and a lock tongue. The inner room door lock is mainly characterized in that the inner unlocking component comprises an inner lock housing, an inner lock housing cover plate, an inner unlocking handle, a lock core, a self-locking spring and a locking pin shaft; the outer unlocking component comprises an outer pin housing, an outer unlocking handle, an outer shifting head and a torsion spring; indoor unlocking and outdoor unlocking are achieved respectively by twisting the inner unlocking handle and the outer unlocking handle; and when the locking pin shaft is pushed down, indoor locking is achieved. The inner room door lock has the characteristics that the structure is simple, the construction cost is low, a key has no need to be taken, the use is convenient, and the inner room door lock is particularly suitable for being used in bus driver enclosures, bedrooms, study rooms and rest rooms.

Description

technical field [0001] The invention relates to a door lock, in particular to an interior room door lock without a key, which belongs to the technology of hardware locks. Background technique [0002] The interior door lock of the present invention is mainly used for the interior door lock without a key that can be unlocked inside and outside the bus driver's fence but can only be locked inside. [0003] Existing chamber door lock generally all will just could be opened with key. At present, there are two main types of door locks used in the interior: straight handle door locks and round handle door locks. After these two kinds of door locks are locked, they can only be opened by the inside and the outside will be opened with a key. Thereby this type of door lock is very inconvenient to use, and its structure is also more complicated, and cost is also relatively high. Contents of the invention [0004] The purpose of the present invention is to provide a kind of simple ...

Claims

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Application Information

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IPC IPC(8): E05B3/00E05B15/10E05B9/00E05B17/20
Inventor 姜龙根刘斌姜留根
Owner 常州金源汽车内饰有限公司
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