CN201258207Y

CN201258207Y - Safeguard protection device for elevator unlocking outside hall

Info

Publication number: CN201258207Y
Application number: CNU2008200243696U
Authority: CN
Inventors: 王光祥; 张向坤; 孙宏胜; 王自卫
Original assignee: 王克洪
Priority date: 2008-06-16
Filing date: 2008-06-16
Publication date: 2009-06-17
Anticipated expiration: 2018-06-16

Abstract

The utility model relates to an elevator hall unlocking safety protection device. The technical scheme is as follows: a mandril, a one-way check plate, an upper support plate, a lower support plate, a spring and a partitioning plate are mounted on the inner side of a hall door on the basis of the original hall unlocking lock assembly; a door-opening gap limiting groove is formed on the sill groove of the hall door; the mandril which can move up and down is arranged between the upper support plate and the lower support plate; the spring is arranged at the lower end of the mandril; the spring is fixed between the lower support plate and the partitioning plate; when the hall unlocking assembly is turned on, the sound and light alarm is firstly triggered, then, the mandril and the one-way check plate are triggered, the mandril moves downwards under the combined action of the gravity force and the spring, and the lower part of the mandril is inserted in the door-opening gap limiting groove of the sill groove, so that the elevator door is opened with a smaller gap. The utility model has the follow beneficial effects: when the door is opened with a smaller gap, through which the human body can not pass, the landing gate is blocked up, thereby not only guaranteeing the personal safety, but also finding out the conditions inside the elevator hoistway and preventing an operator from falling into the elevator hoistway. All you need to do for continuing opening is to restore the mandril.

Description

The safety guard of unblanking outside the elevator hall

One, technical field:

The utility model relates to safety guard when unblanking outside a kind of elevator hall, the safety guard of unblanking outside protection rescue group's the elevator hall when particularly relating to a kind of elevator power failure or et out of order.

Two, background technology:

Existing elevator kind is more, and when they ran to level position, elevator cage door and Room door can be opened simultaneously, and gate and Room door were closed simultaneously when elevator was prepared to continue operation.Under the normal circumstances, gate and Room door align the back gate and Room door could be opened synchronously.When gate and Room door do not align, Room door is not opened.Under the situation of needs, as the stoppage in transit of power failure, elevator catastrophic failure, open the personnel that a rescue is trapped in elevator as needs, must use triangular key, the rescue group could open Room door.The rescue group who opens Room door when opening Room door has the danger that crashes into elevator hoistways, and is domestic to recur a lot of these type of accidents generations and all to have some casualties.

Three, summary of the invention:

The purpose of this utility model is exactly the above-mentioned defective that exists at prior art, when providing a kind of needs to open Room door rescue, prevents the safety guard of unblanking outside the elevator hall that the rescue group falls.

Its technical scheme is: utilize original Room outward swinging door lock assembly, at Room door installed inside push rod, unidirectional check plate, upper backup pad, lower supporting plate, spring and a baffle plate, sill groove at Room door is provided with the gap limiting groove that opens the door, described upper backup pad, lower supporting plate and baffle plate are fixed on door inboard, the Room, be provided with between upper backup pad and the lower supporting plate can be up and down push rod, the lower end of push rod is provided with spring, and spring is fixed between lower supporting plate and the baffle plate; Described Room external-open lock assembly is opened, and push rod moves downward under the combined action of gravity and spring, and insert in the gap limiting groove that opens the door of sill groove the push rod bottom, and it is unpassable than small gap that Room door is only opened human body.

Wherein, a side of described Room external-open lock assembly is provided with the sound and light alarm chip.

Another technical scheme is that described Room external-open lock assembly, push rod, unidirectional check plate, upper backup pad, lower supporting plate, spring and baffle plate are installed on the skid plate, and described skid plate and Room door are inboard fixing, is convenient to existing elevator is transformed in batches.

The beneficial effects of the utility model are: to be opened to predetermined human body unpassable during than small gap when door, Room door is blocked, not only guarantee personal safety but also can observe situation in the elevator, avoid taking place the outer floor personnel of elevator the danger that crashes into elevator hoistways is arranged, after confirming no safety hazard, open this new type of safe device again Room door is opened, carry out operation.

Four, description of drawings:

Accompanying drawing 1 is the structural representation of elevator when the utility model does not start when normally moving;

Accompanying drawing 2 is elevator working state schematic representations after the utility model starts when breaking down.

Among the figure: push rod 1, unidirectional check plate 2, upper backup pad 3, lower supporting plate 4, spring 5, spring stop 6, baffle plate 7, Room external-open lock assembly 8, sound and light alarm chip 9, skid plate 10, the gap limiting groove 11 that opens the door,

Room door

12 and 13, sill groove 14, projection 15.

Five, the specific embodiment:

Embodiment 1: in conjunction with the accompanying

drawings

1 and 2, the utility model will be further described: utilize original Room outward swinging door lock assembly 8, at a Room door 12 installed inside push rods 1, unidirectional check plate 2, upper backup pad 3, lower supporting plate 4, spring 5 and baffle plate 7, sill groove 14 at Room door is provided with the gap limiting groove 11 that opens the door, described upper backup pad 3, lower supporting plate 4 and baffle plate 7 are fixed on door inboard, the Room, be provided with between upper backup pad 3 and the lower supporting plate 4 can be up and down push rod 1, the lower end of push rod 1 is provided with spring 5, and spring 5 is fixed between lower supporting plate 4 and the baffle plate 7; Described Room external-open lock assembly 8 is opened, and push rod 1 moves downward under the combined action of gravity and spring 5, and insert in the gap limiting groove 11 that opens the door of sill groove 14 push rod 1 bottom, and it is unpassable than small gap that

Room door

12 and 13 is only opened human body.Wherein, a side of described Room external-open lock assembly 8 is provided with sound and light alarm chip 9.

Wherein, being described in detail as follows of the assembly of Xu Yaoing:

The gap limiting groove 11 that opens the door is meant in lading door dill groove desired location leaves a limiting groove, and the Safe width that Room door is opened is redefined for the unpassable width of human body.

But push rod 1 is the straight-bar of up-and-down movement, and top has the groove that is used to install unidirectional check plate.

Unidirectional check plate 2 is to be installed in the push rod upper slot, when door lock rotates, but in the projection 15 retraction push rod top slot of these parts.

Upper backup pad 3 is mounted in door inboard, the Room, and these parts have the hole, and push rod passes in the hole.

Lower supporting plate 4 is mounted in door inboard, the Room, and these parts have the hole, and push rod passes in the hole.Spring top withstands on below these parts.

Spring 5 is mounted between lower supporting plate and the spring stop, and push rod passes in the middle of these parts.

Spring stop 6 is to be fixed on the push rod bottom.The spring bottom withstands on this parts top.

Baffle plate 7 is mounted in and is installed in floor door inboard, and these parts have the hole, and push rod passes in the hole.

Room external-open lock assembly 8 is mounted in original latch position.When these parts rotate under the key effect, can unlatching sound, photoswitch.Simultaneously unidirectional check plate is pushed in the retraction push rod groove, this moment, push rod moved downward under spring and action of gravity, and the push rod bottom falls in the gap limiting groove that opens the door, and door lock is lived.Sound and light alarm chip 9 is existing routine techniques, is mounted in the top of original latch position, when door lock rotates under the key effect, can open this switch.

During use, under the elevator normal operating condition, spring is in compressive state, and the unidirectional check plate of push rod top blocks push rod the elevator door normal switch.Need manpower when open the door in the outside when running into extraordinary circumstances, triangular key is rotated, and at first touches the sound and light alarm chip, and verbal cue and light prompt are worked simultaneously, play the security warning effect.When key turns, when touching unidirectional check plate button, unidirectional check plate inwardly moves, push rod 1 moves downward under the combined action of gravity and spring 5, in the gap limiting groove 11 that opens the door of the push rod 1 bottom insertion Room student's sill groove, it is unpassable than blocking after the small gap and by the push rod 1 and the gap limiting groove 11 that opens the door that elevator door is only opened human body, can not continue to open.When so opening door again, mention push rod from the bottom, unidirectional check plate is returned to the normal position, and door can be opened by the whole of safety.

Embodiment 2: another technical scheme is that Room external-open lock assembly 8, push rod 1, unidirectional check plate 2, upper backup pad 3, lower supporting plate 4, spring 5 and baffle plate 7 among the embodiment 1 are installed on the skid plate 10, and described skid plate 10 is inboard fixing with Room door.Wherein, the skid plate is some parts or functor to be installed on base or the integral structure component be referred to as skid, and base is also referred to as the skid plate.This installs each parts and can be installed on the skid plate, becomes an integral body, again this skid slab integral is installed in door inboard, the Room.Do like this, be convenient to existing Retrofit of Elevator and scale manufacturing in batches.

Claims

1, the safety guard of unblanking outside a kind of elevator hall, comprise original Room external-open lock assembly (8), it is characterized in that: at a Room door installed inside push rod (1), unidirectional check plate (2), upper backup pad (3), lower supporting plate (4), spring (5) and baffle plate (7), sill groove (14) at Room door is provided with the gap limiting groove (11) that opens the door, described upper backup pad (3), lower supporting plate (4) and baffle plate (7) are fixed on door inboard, the Room, be provided with between upper backup pad (3) and the lower supporting plate (4) can be up and down push rod (1), the lower end of push rod (1) is provided with spring (5), and spring (5) is fixed between lower supporting plate (4) and the baffle plate (7); Described Room external-open lock assembly (8) is opened, and push rod (1) moves downward under the combined action of gravity and spring (5), and insert in the gap limiting groove (11) that opens the door of sill groove push rod (1) bottom, and it is unpassable than small gap that Room door is only opened human body.

2, the safety guard of unblanking outside the elevator hall according to claim 1, it is characterized in that: a side of described Room external-open lock assembly (8) is provided with sound and light alarm chip (9).

3, the safety guard of unblanking outside the elevator hall according to claim 1; it is characterized in that: described Room external-open lock assembly (8), push rod (1), unidirectional check plate (2), upper backup pad (3), lower supporting plate (4), spring (5) and baffle plate (7) are installed on the skid plate (10), and described skid plate (10) is inboard fixing with Room door.