CN2916048Y

CN2916048Y - Emergency safety door lock device

Info

Publication number: CN2916048Y
Application number: CN 200620091301
Authority: CN
Inventors: 闵泳; 韩平; 王亚志; 王国华
Original assignee: BOLINTE ELEVATOR Co Ltd SHENYANG; Shenyang Yuanda Aluminium Industry Group Co Ltd
Current assignee: Shenyang Yuanda Aluminium Industry Group Co Ltd; Shenyang Brilliant Elevator Co Ltd
Priority date: 2006-06-01
Filing date: 2006-06-01
Publication date: 2007-06-27
Anticipated expiration: 2016-06-01

Abstract

An upper lock rod and a lower lock rod of an emergency safety door lock device are connected with slotted holes at two ends of a rotating disk through a pin shaft and a lock hook davit and a push handspike push column are fixed on the rotating disk. A lock hook is connected on a lock box and an unlocking element is fixedly connected with the push handspike and is arranged on the side surface of the rotating disk. An offsetting column of the unlocking element is fixed on the lock box and an offsetting spring of the unlocking element is mounted. The lock box is provided with the rotating disk and the offsetting column of the lock hook and a connecting rod is hung on the lock hook. The connecting rod is provided with slotted holes and the connecting rod and a lower lock rod are respectively connected with a key unlocking shaft through a connecting element. The lower lock rod is provided with slotted holes. The great advantages of the utility model are that the push handspike unlocking mechanism and the key unlocking shaft interfere without each other. The utility model has a simple structure, the acting force relationship of the components is relatively simple, thus the unlocking force is decreased and the sensitivity is enhanced. Moreover the utility model is a complete machinery unlocking mechanism, can realize the function of unlocking on the condition that the power is cut off and the requirement for the shield door system emergency door for subway platform to the unlocking mechanism under the emergency is satisfied.

Description

A kind of emergency safety door locking device

Technical field

The utility model relates to a kind of emergency safety door locking device, is specially adapted on the escape door of subway platform screen door.

Background technology

In the design of subway platform screen door, require escape door is being set, for passenger's evacuation in particular cases or life-saving near place, platform two ends.The special character of emergent door lock is: rail side passenger can in case of emergency simple and easy release, evacuates or escapes; The railway platform side can only be carried out release by private key by the staff, to guarantee safety.Simultaneously, because the particular design of subway platform screen door needs, requiring the escape door door lock is the structure that locks up and down, cause between lock point and the release mechanism certain distance is arranged, and require inside and outside both sides release mechanism mutually noninterfere, conventional door lock can not directly apply on the escape door of subway platform screen door.

Existing emergency escape door lock mostly is unidirectional release or single-point locking, structure relative complex and costing an arm and a leg; The lockset that has has the function of two-way release, but because the action phase mutual interference of its two covers release mechanism, so safety is not ideal enough.

Summary of the invention

The purpose of this utility model provides a kind of emergency safety door and locks, and both can push anxious evacuation of supply or life-saving open with handspike in the door inboard, can realize locking and opening by key at outer side of door again, and both mutually noninterferes.

For achieving the above object, the utility model is taked following design scheme: it comprises lock box, by locating part be installed on the lock box on, following locking bar, it is characterized in that, following locking bar is connected by the slotted hole of bearing pin with the rotating disk two ends, be fixed with latch hook hanging column and handspike on the rotating disk and push away post, be connected with latch hook on the lock box and the back-moving spring of latch hook is housed, unlock piece is fixedlyed connected with handspike, be installed in the side of rotating disk, on lock box, be fixed with the limited post of unlock piece, and the back-moving spring of unlock piece is installed, lock box is provided with the limited post of rotating disk and latch hook, on latch hook, mounted a connecting rod, have slotted hole on the connecting rod, connecting rod is connected with the key latch release shaft by connector respectively with following locking bar, has slotted hole on the following locking bar.

Promote handspike by external force and drive dial rotation, thereby drive upper and lower locking bar interlock, realize quick release; When rotating disk moved to the latch hook position, the lock above it was hooked by latch hook, made upper and lower locking bar be fixed on the position of unlatching.Can drive rotating disk and upper and lower locking bar interlock on the one hand by private key screw key release mechanism, realize release; On the other hand, key rotation also can drive latch hook by the latch hook connecting rod and rotate, and removes its spacing to lock, thereby makes locking bar keep lock-out state under the spring force effect.Great advantage of the present utility model is handspike release mechanism and the mutually noninterfere of key release mechanism.

In addition, the utility model is simple in structure, and the active force relation of component is simple relatively, thereby has reduced unlocking force, has improved sensitivity; And be mechanical release mechanism completely, under powering-off state, also can realize unlocking function, satisfied subway platform screen door escape door design in case of emergency to the requirement of release mechanism.

Description of drawings

Fig. 1 is the structural representation of door lock of the present utility model when lock-out state.

Fig. 2 is door lock opening figure.

Fig. 3 be A among Fig. 1 to partial view, emphasis is described key release mechanism connected mode.

The specific embodiment

As shown in Figure 1, the left side is the inboard of door, and the right side is the outside of door.The 19th, lock box, last locking bar 18 and following locking bar 8 are installed in by bearing pin in the slotted hole at rotating disk 5 two ends, locking bar is fixedly mounted on the spacing of locating part 9 on the lock box, can only about rectilinear motion.Unlock piece 1 is fixedlyed connected by square shaft 7 with handspike 14, is installed in the side of lock box.On lock box, latch hook 15 is installed by rotating shaft 11.Latch hook limited post 13 is installed on lock box, and back-moving spring 12 1 ends of latch hook 15 are fixed on the limited post 13, and the other end is fixed in the rotating shaft 11.The central axis 4 of rotating disk 5 is installed on the lock box, is fixed with latch hook hanging column 17 and handspike on the rotating disk and pushes away post 16.One end of the back-moving spring 2 of unlock piece 1 is fixed on it and is installed on the limited post 3 on the lock box, and the other end is fixed on the unlock piece 1.6 is limited posts of rotating disk 5 among the figure.The above is arranged on the concrete structure of the hand-operating unlocking mechanism of an inboard.

When handspike 14 stressed drive unlock pieces 1 rotate in the counterclockwise direction, by the post 16 that pushes away that promotes to be fixed on the rotating disk rotating disk 5 is rotated in the counterclockwise direction, go up locking bar 18 and 8 motions of following locking bar thereby drive; In the dial rotation process, when the latch hook hanging column 17 on being fixed in rotating disk touched latch hook 15, latch hook 15 rotated counterclockwise because of being subjected to biasing force; When dial rotation when contacting the position with limited post 6, the spline of being obstructed; At this moment, latch hook 15 hooks latch hook hanging column 17, makes rotating disk locking bar location, thereby makes door lock maintenance opening as shown in Figure 2.After external force was removed, under back-moving spring 2 effects, handspike 14 and unlock piece 1 returned back to initial position, by limited post 3 location.

By Fig. 1 and shown in Figure 3, the utility model also is provided with key lock and release mechanism in the outside of door.As shown in the figure, a latch hook connecting rod 10 is installed on latch hook 15, has slotted hole on the latch hook connecting rod 10, hang on the fixed leg on the latch hook.Key latch release shaft 21 among the figure is connected with latch hook connecting rod 10 by the connector 20 that is fixed thereon, and is connected with following locking bar 8 by connector 22.Have slotted hole on the connector 22.

When outer side of door realizes locking a door action, rotate the key latch release shaft 21 shown in Fig. 3 in the counterclockwise direction with private key, by connector 20 latch hook connecting rod 10 is moved downward, thereby driving latch hook 15 rotates in the counterclockwise direction with its axle 11, remove its spacing to latch hook hanging column 17, make up and down locking bar at back-moving spring (not drawing among the figure) effect maintenance lock-out state down.After external force was removed, latch hook 15 was got back to initial position under back-moving spring 12 effects, by reference column 13 location.

When outer side of door is realized unlocking action, rotate key latch release shaft 21 among Fig. 3 along clockwise direction with private key, by connector 22 locking bar 8 is moved upward, thereby drive rotating disk 5, last locking bar 18 interlocks; After rotating disk was rotated in place, the latch hook hanging column 17 above it was hooked by latch hook 15, made rotating disk locking bar location, thereby made door lock be held open state.

Realizing that with key handspike is unaffected in the release course of action; When unblanking with handspike, owing to have slotted hole on the connector 22, when following locking bar 8 was up, the axle 23 that is fixed thereon moved in slotted hole, and key latch release shaft 21 is unaffected.Two cover release mechanism mutually noninterferes.

When door lock was installed, parts such as the axle in the door lock, post can be fixed to lock box 19 above the doorframe with after lock box 19 is connected again.

Device described in the utility model is applicable to other various emergency escape.

For those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description, these belong to conspicuous variation that spirit of the present utility model amplified out or change also within protection domain of the present utility model.

Claims

1, a kind of emergency safety door locking device, it comprises lock box, by locating part be installed on the lock box on, following locking bar, it is characterized in that, following locking bar is connected by the slotted hole of bearing pin with the rotating disk two ends, be fixed with latch hook hanging column and handspike on the rotating disk and push away post, be connected with latch hook on the lock box and the back-moving spring of latch hook is housed, unlock piece is fixedlyed connected with handspike, be installed in the side of rotating disk, on lock box, be fixed with the limited post of unlock piece, and the back-moving spring of unlock piece is installed, lock box is provided with the limited post of rotating disk and latch hook, on latch hook, mounted a connecting rod, have slotted hole on the connecting rod, connecting rod is connected with the key latch release shaft by connector respectively with following locking bar, has slotted hole on the following locking bar.