Double-door escape door lock

A double door and door lock technology, applied in the field of locks, can solve problems such as lack of functions, difficulty in popularization, and poor safety exit locking and evacuation channels, and achieve the effect of strong reliability and anti-theft safety

A double door and door lock technology, applied in the field of locks, can solve problems such as lack of functions, difficulty in popularization, and poor safety exit locking and evacuation channels, and achieve the effect of strong reliability and anti-theft safety

CN101881106BInactive Publication Date: 2012-08-08马圆棓
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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0021] like figure 1 , figure 2 , image 3 and Figure 4 As shown, a double-door escape door lock includes two sets of long strip lock slots 1, electromagnet 3, touch switch 7, strip-shaped door bar 4 and door bar installation body 6;

[0022] Wherein, two groups of strip lock grooves 1 are installed on the left door 11 and the right door 10 respectively;

[0023] One end of the strip-shaped door lever 4 is hinged to the door lever installation body 6, and the other end of the strip-shaped door lever 4 is provided with an electromagnet suction plate; the door lever installation body 6 is fixed on the left door 11;

[0024] The electromagnet 3 and the touch switch 7 are respectively installed in the strip lock groove 1 on the right door 10;

[0025] The suction end of the electromagnet 3 is set corresponding to one side of the electromagnet...

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Abstract

The invention provides a double-door escape door lock which comprises a lock groove, electromagnet, a touch switch, a strip-shaped door lever and a door lever mounting body, wherein one end of the strip-shaped door lever is articulated with the door lever mounting body, and the other end thereof is provided with an electromagnet absorbing plate; the electromagnet and the touch switch are respectively installed in the lock groove; an absorbing end of the electromagnet is arranged correspondingly to one side of the electromagnet absorbing plate; the touch switch is arranged correspondingly to one side of the electromagnet absorbing plate; the touch switch is connected in an electromagnet power supply circuit; the lock groove is internally provided with a stress protection clip which is provided with a concave-arc-shaped inner side wall; and the concave-arc-shaped inner side wall is arranged correspondingly to the strip-shaped door lever. The door lock has the advantages of simple structure, ingenious design, convenient use, firm locking, convenient and fast opening of a door, safety and reliability.

Description

technical field [0001] The invention relates to a lockset, in particular to a double-door escape door lock for fire protection. Background technique [0002] For a long time, safety exit management has been troubled by the contradiction between public security management and fire protection management. From the perspective of security prevention, the stronger the exit lock, the better. From the perspective of accident escape, the smoother the safety passage, the more effective. Locking the safety door is a taboo for escape in an accident; according to statistics, most of the fire accidents that caused more casualties were caused by the locking of the safety exit or the poor evacuation passage; therefore, the control of the safety exit The problem has always been widely concerned by firefighting technicians and managers of densely populated places, and the research on safety exit management has never stopped. [0003] In recent years, domestic and foreign countries have succ...

Claims

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Application Information

Patent Timeline
08 Aug 2012
Publication
CN101881106B
IPC
E05B65/10; E05B47/02; E05B17/22
Inventors
马圆棓; 马刘陈