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Double-tongue-position lock body

A lock body and tongue position technology, which is used in building locks, buildings, building structures, etc., can solve the problems of poor return elasticity of the handle position of the lock body, low safety or stability, and short service life, etc. To ensure the safety of life and property, good return elasticity and good stability

Inactive Publication Date: 2008-07-23
吴沛华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The handle of the lock body is not elastic enough to return to its position, and the handle is not good enough;
[0004] (2) The safety or stability is not high, and the lock body is easily stuck or easily damaged
[0005] (3) Easy to wear and tear, short service life

Method used

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Examples

Experimental program
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Embodiment Construction

[0018] Referring to Figures 1-3, a double-tongue lock body is composed of a housing and lock body functional components installed in the housing. The housing is composed of a frame-shaped rear plate 1 and a cover plate 2. The rear plate is provided with a fixing column 12 and a fixing hole 13 for fixing the functional parts of the lock body. One side of the rear plate is also connected with a liner 11.

[0019] The functional components of the lock body in the housing include a shift fork assembly, a latch bolt assembly, a square tongue assembly, a shift fork assembly and a connecting plate for realizing the linkage between the latch bolt assembly and the square tongue assembly. The latch bolt assembly is installed in the middle and lower part of the rear plate, and the middle and lower part of the rear plate is provided with a latch bolt seat 14 for fixing the latch bolt assembly. The latch bolt assembly 4 includes a columnar latch bolt rod 32, which is installed through the ...

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Abstract

The invention relates to an improved double cylinder lock case structure, belonging to technical field of door locks, comprising a casing being composed of a backboard and a cover plate, which is characterized in that a plurality of functional units for the lock case being composed of an oblique tongue component, a square tongue component, shift fork component and a connecting piece enabling linkage of the oblique tongue component and the square tongue component are arranged in the casing. A lining plate is connected with the backboard at one side. The oblique tongue component is arranged at the mid-lower part of the backboard with an oblique tongue seat for fixing the oblique tongue component. An oblique tongue of the oblique tongue component protrudes from a hole for oblique tongue oppositely arranged on the lining plate. A limiter preventing further dislocation and projection of oblique tongue is fixed between the oblique tongue seat and the lining plate. The improved double cylinder lock case structure has the advantages of high safety performance, excellent stability and return elasticity of the shift fork, suitability for various situation and environment as a gate lock, a door lock or a bathroom lock with strong practicality, and improved ability to ensure lives and property safety of consumers.

Description

technical field [0001] The invention relates to the technical field of door locks, in particular to an improved double tongue lock body structure. Background technique [0002] A common lock body structure includes a lock body shell, a deadbolt and a deadbolt control mechanism driven by an external force. This kind of lock body has compact structure, small installation size, and can be used in various door lock matching structures because it can be beautiful for home furnishing. But in existing similar lock body on the market, also there is certain deficiency and defect: [0003] (1) The handle of the lock body is not elastic enough to return to its position, and the handle is not good enough; [0004] (2) The safety or stability is not high, and the lock body is easily stuck or easily damaged. [0005] (3) easy to wear and tear, short service life. Contents of the invention [0006] The technical problem to be solved by the present invention is to provide a double ton...

Claims

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Application Information

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IPC IPC(8): E05B63/14
Inventor 吴沛华
Owner 吴沛华
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