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Multi-point door and window lock

A door and window lock, multi-point technology, applied in the field of door and window locks, can solve problems such as lock hook damage, and achieve the effects of smooth cooperation, stable movement, and improved strength

Inactive Publication Date: 2007-09-19
联程机械(宁波)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, people have found that if the lock hook is accidentally set to the locked state when the door and window are opened, the lock hook will be easily damaged when the door and window are closed when the lock hook pops up. It often happens in daily life

Method used

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  • Multi-point door and window lock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: A multi-point door and window lock, including a main lock 1 and two auxiliary locks 2, the main lock 1 includes a housing 11 and a side plate 12, and the housing 11 is provided with a driving gear 13 and a first driving bar 14 , the second driving bar 15, two lock hooks 16 and a contact rod 17, the first driving bar 14 is provided with the driving tooth 142 meshed with the driving gear 13, the first driving bar 14 is provided with the first rack 141, the first driving bar 14 is provided with the first rack 141, The second drive bar 15 is provided with a second tooth bar 151, and a reversing gear 18 is arranged between the first tooth bar 141 and the second tooth bar 151. The two lock hooks 16 are connected with the first drive bar 14 and the second drive bar respectively. 15, the auxiliary lock 2 includes an auxiliary lock hook 21 and an auxiliary driving bar 22 cooperating with the auxiliary locking hook 21, one end of the connecting rod 23 is connected wi...

Embodiment 2

[0034] Embodiment 2: Other structures are the same as Embodiment 1, except that the elastic mechanism includes a positioning protrusion 175 disposed on the contact rod 17, a first positioning groove 112 disposed on the housing 11, and a first positioning groove 112 disposed on the side plate 12. The second positioning groove 122, the positioning protrusion 175 extends into the first positioning groove 112 and the second positioning groove 122, the rear end surface of the contact rod 17 is provided with a counterbore 176, and the counterbore 176 is provided with a spring 201, the spring 201 One end abuts against the bottom of the counterbore 176 , and the other end of the spring 201 abuts against the housing 11 .

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PUM

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Abstract

The invention discloses a multi-point type door and window lock, comprising a master lock and at least one auxiliary lock connected with the master lock by a connecting rod. The master lock includes a casing and side boards, and the casing is provided with driving gears, driving assembly and one or two lock hook assembly matched with driving strip assembly. Characterized in that the casing is provided with lock hook protection feature, advantages are that the lock hook can not be ejected by the driving gear when the door and window are open, thereby, the lock hook will not be damaged. Only when the door and window are closed, feeler lever contacts with sash, the feeler lever is pushed to move inwardly into the side boards to a certain distance, the securing rod releases from the locking block, and the lock hook is ejected out of the side board by the driving gear to lock the door and window.

Description

technical field [0001] The invention relates to a door and window lock, in particular to a multi-point door and window lock. Background technique [0002] The structures of existing door and window locks are varied, and what use on various sliding doors and moving windows are mainly various push-pull door and window locks. The traditional push-pull door and window lock mainly uses the lock hook to fix the door and window frame. In order to improve the fastness and safety performance of the lock, people have made great improvements to the push-pull door and window lock. The Chinese utility model patent No. 200320108467.5 discloses a door and window lock, which includes a lock head, a spring, a fork and a lock hook. The waist-shaped hole on the linkage plate is fixed to the cover plate, the lock head is built with a rotatable lock cylinder, and the end of the lock cylinder has a key hole, the fork is fixed on the lock cylinder and connected to the lock head rotatably , the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B63/14E05B63/20
Inventor 庄子平
Owner 联程机械(宁波)有限公司
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