CN201512339U

CN201512339U - Manual secondary opening safety protection device for elevator layer door

Info

Publication number: CN201512339U
Application number: CN2009200339119U
Authority: CN
Inventors: 郭培正; 郭沛军
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-15
Filing date: 2009-07-15
Publication date: 2010-06-23
Anticipated expiration: 2019-07-15

Abstract

The utility model provides a manual secondary opening safety protection device for an elevator layer door, aiming to change the current situation. The manual secondary opening safety protection device comprises a secondary hook, a lift shaft illumination and sound switch, a movable lock hook of a layer door lock, an unlocking mandril, a mandril striking board, a static lock hook of the layer door lock, a secondary hook reset spring, a layer door hanging plate, an upper dam frame of the layer door and a secondary hook through hole. The manual secondary opening safety protection device for the elevator layer door is arranged on the elevator layer door without changing the design of the existing layer door or influencing the normal opening of the elevator layer door, and a safe protective screen is additionally arranged on the elevator layer door which is the lift shaft inlet of the elevator. Lights are turned on when the elevator layer door is opened, therefore, when entering a pit or going up to a lift car top, an elevator maintainer can more effectively judge the condition in the lift shaft of the elevator in vision, and the accident that the elevator maintainer falls into the lift shaft of the elevator is effectively prevented. In addition, the utility model has the advantages of low production cost, simple and convenient installation as well as favorable use value and social benefit.

Description

The manual secondary opening safety guard of elevator door

Affiliated technical field

The utility model relates to the manual secondary opening safety guard of a kind of elevator door.

Background technology

At present, in the operation and maintenance servicing operations of elevator, because party concerned's negligence is by triangular key opening elevator layer door the time, because of the elevator hoistways dark, lift car is not again at the elevator floor stops of being opened, layer door is by behind complete opening, and the elevator hoistways that falls easily causes casualties, cause irretrievable loss and injury for individual family and society, also caused certain psychological burden for elevator passenger.

Summary of the invention

Technical problem to be solved in the utility model is to be to change present present situation; and provide a kind of elevator door manual secondary opening safety guard; can avoid the party concerned in the operation and maintenance servicing operations of elevator; during by triangular key opening elevator layer door; once just can the complete opening elevator door, be strayed into the cause casualties generation of accident of elevator hoistways.

The embodiment that solves the problems of the technologies described above is: the manual secondary opening safety guard of institute's a kind of elevator door that provides comprises secondary hook 1, well lighting and voice switch 2, layer door lock moveable lock hook 3, the push rod 4 of unblanking, push rod re-packs 5, the quiet latch hook 6 of layer door lock, secondary hook retracing spring 7, layer door hanging plate 8, layer door gone up dam frame 9, and the secondary hook is by hole 10, layer door 11, layer door 12; It is characterized in that secondary hook 1 is installed on the layer door hanging plate 8, the lower end links to each other with the push rod 4 of unblanking, and secondary hook retracing spring 7 is installed on the secondary hook 1, and secondary hook 1 upwards is connected with well lighting and voice switch 2 by hole 10 by the secondary hook that layer door gone up dam frame 9.

The utlity model has following advantage, do not change the original design of existing layer door, manually the secondary door opener does not influence the normal unlatching of elevator door again, well entrance for elevator---elevator door, set up safety curtain one, opening the door turns on light is entering pit to the elevator reparing worker, during last sedan-chair top,, effectively take precautions against the fall generation of elevator hoistways accident of party concerned from visually more can actv. judging the situation in the elevator hoistways, and productive costs is low, install simple and conveniently, have good value of service and social benefit

Description of drawings

Fig. 1 is a layer door closure state

State when Fig. 2 is the firm jack-up of layer door moveable lock hook and secondary hook

State when Fig. 3 is once opened for layer door

Fig. 4 is the layer door state during by secondary opening

Fig. 5 is that layer door is by the state of complete opening

Fig. 6 is well lighting and voice alarm bell scheme circuit

The specific embodiment

In the time will opening

layer door

11,12, triangular key re-packs push rod and 5 rotates up and promote to unblank push rod 4, the push rod 4 of unblanking upwards promotes secondary hook 1 and layer door lock moveable lock hook 3, layer door lock moveable lock hook 3 separates with the quiet latch hook 6 of layer door, secondary hook 1 passes the secondary hook by hole 10, promote well lighting and voice switch 2 and light well lighting and speech sound device, make the party concerned in vision, acoustically obtain prompting, as Fig. 2; Secondary hook 1 and layer door moveable lock hook 3 be by jack-up simultaneously the time, the manually opened layer door of party concerned, and secondary hook 1 will hang over the secondary hook by on the hole 10, once opens the door and finishes, as Fig. 3; Because the secondary hook is provided with certain-length by hole 10, one time opening elevator layer door can only be opened a part, mechanically stopped party concerned's elevator hoistways that falls, visually and acoustically simultaneously, can make the party concerned judge elevator door accurately and whether continue to open, when not needing to open,

layer door

11,12 need only be closed gently, layer door lock moveable lock hook 3 resets, and secondary hook 1 can return to Fig. 1 shape under the effect of secondary hook retracing spring 7; When

layer door

11,12 must complete openings, the party concerned need only be incorporated into

layer door

11,12 secondary hook 1, a layer door lock moveable lock hook 3 resets to Fig. 4 shape, manually opened again layer door, and

layer door

11,12 will be by complete opening, as Fig. 5.

Claims

1. manual secondary opening safety guard of elevator door; comprise secondary hook (1); well lighting and voice switch (2); layer door lock moveable lock hook (3); the push rod (4) of unblanking; push rod re-pack (5); the layer quiet latch hook of door lock (6); secondary hook retracing spring (7); layer door hanging plate (8), layer door gone up dam frame (9), and the secondary hook is by hole (10); layer door (11); layer door (12) is characterized in that secondary hook (1) is installed on the layer door hanging plate (8), and the lower end links to each other with the push rod of unblanking (4); secondary hook retracing spring (7) is installed on the secondary hook (1), and secondary hook (1) upwards is connected with well lighting and voice switch (2) by hole (10) by the secondary hook that layer door gone up dam frame (9).