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Heaven and earth door lock based on the principle of upper and lower linkage double safety locking

A double-insurance, principled technology, applied in building locks, buildings, building structures, etc., can solve the problems of strict installation conditions and installation methods, high cost, complex structure of heaven and earth locks, etc., and achieve simple structure and beautiful appearance , The effect of convenient maintenance and replacement

Active Publication Date: 2018-06-29
成都迪中海岸科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of complex structure, high cost, and strict installation conditions and installation methods, the present invention provides a heaven and earth door lock based on the principle of upper and lower linkage double safety locking. The structure of the world door lock is simple and applicable The door body is not fixed due to the sill gap, and the relative position of the upper lock, middle lock and lower lock can be slightly staggered by fine-tuning the adjustment lever

Method used

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  • Heaven and earth door lock based on the principle of upper and lower linkage double safety locking
  • Heaven and earth door lock based on the principle of upper and lower linkage double safety locking
  • Heaven and earth door lock based on the principle of upper and lower linkage double safety locking

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Embodiment

[0043] Such as figure 1 As shown, the present invention provides a novel heaven and earth door lock, which is applicable to the installation of doors with indeterminate sill clearances. The present invention includes an upper lock head 1, an intermediate lock 4, a lower lock end 8 and a push rod 5. Same as the prior art, the upper lock head 1, the middle lock 4, and the lower lock head 8 are all arranged on the door and distributed in a straight line from top to bottom, while the push rod 5 is located inside the door.

[0044] The upper lock head 1 is used to fix the top of the door with the upper lock hole of the door frame, and the lower lock head 8 is used to fix the bottom of the door with the lower lock hole of the door frame, so that the door can be closed. And when needing to open the door, then realize by operating intermediate lock 4 or push rod 5. In addition, in order to prevent the door lock from rusting, the upper lock head, the middle lock and the lower lock he...

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PUM

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Abstract

The invention discloses an escape lock based on the up and down linkage double-insurance locking principle. The problems that the escape lock is complex in structure, high in cost and strict in mounting condition and mounting manner are solved. The escape lock comprises an upper lock head, an upper adjusting rod, a middle lock, a lower adjusting rod, a lower lock head and a push rod; the middle lock comprises a middle lock shell, a lock cylinder, a rotating piece, an upper sliding piece, a lower sliding piece and a shifting fork mechanism; the upper lock head comprises an upper lock shell, an upper plug pin shaft, a first spring and a touch locking mechanism; the lower lock head comprises a lower lock shell, a lower plug pin shaft and a second spring; and the escape lock has the beneficial effects of being simple in structure, easy and convenient to mount, high in unit integration degree, low in manufacturing cost, high in interchangeability and the like, is suitable for high speed rail and subway shielded gates with the quite high requirement and fire exit door escape locks of markets, supermarkets, theaters, auditoriums and the like and also can be suitable for mounting of a door body with the undetermined doorsill gap, and therefore the escape lock is suitable for being applied and popularized.

Description

technical field [0001] The invention relates to a heaven and earth door lock, in particular to a heaven and earth door lock based on the locking principle of upper and lower linkage double safety. Background technique [0002] Each type of lock has a difference in structure, which determines the difference in its function. For the needs of public security, it takes time to open the general lock whether it is opened inside or outside, and some special occasions require some locks that can be used. It is a door lock that can withstand the extrusion of a certain external force and can be easily opened from the inside and outside. Therefore, Tiandi lock came into being. [0003] The heaven and earth door lock is mainly composed of upper, middle and lower lock bodies, push rods and connecting rods. Press the push rod down to open the door. At present, Tiandi lock can be used as escape locks for fire doors in shopping malls, supermarkets, theaters, auditoriums, etc., but the str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B63/14E05B35/00E05B15/00E05B17/22
CPCE05B15/00E05B17/22E05B35/00E05B63/146
Inventor 袁莉张庆忠
Owner 成都迪中海岸科技有限公司
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