CN201236620Y

CN201236620Y - Folding chair type two-section extending automatic stretching open evacuation ladder for earthquake

Info

Publication number: CN201236620Y
Application number: CNU2008201313925U
Authority: CN
Inventors: 朱祚睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-01
Filing date: 2008-08-01
Publication date: 2009-05-13
Anticipated expiration: 2018-08-01

Abstract

The utility model relates to a folding chair-type, two-section, open-air evacuation ladder which can automatically stretch and unfold, and can be utilized when earthquake occurs. The open-air evacuation ladder comprises an imminent earthquake siren, a descending slow-down cylinder, a descending slow-down hampering cord, a movable track at the upper end of the evacuation ladder, an upper movable track sleeve, a lower movable track sleeve, a folding chair-type open-air evacuation main ladder, a downslide stretching ladder, a foldable, movable pillar, two end shafts of the pillar, a main evacuation ladder rail, a downslide stretching ladder rail, a rail rotating shaft, a pull-up cord rotary table, a pull-up steel rope of the evacuation ladder, an automatic unfolding buckle of the evacuation ladder, a bracing cable of the downslide stretching ladder, and the like. The utility model has the following characteristics and advantages: First, the folding chair-type open-air evacuation ladder can automatically unfold at the beginning of an imminent earthquake under the control of the imminent earthquake siren; second, the ladder is arranged at an oblique angle to a building, thereby ensuring that the ladder is distant from the building, and the ladder can provide a shortcut for evacuees to flee; third, normally, the folding chair-type open-air evacuation ladder is an upright standby without occupying too much space or obstructing traffic; forth, when in operation, the folding chair-type open-air evacuation ladder automatically descends from a higher position without being driven by additional power; and fifth, as the folding chair-type open-air evacuation ladder automatically descends from the higher position, an evacuation door opens up automatically, without the need of installing a sophisticated safety door.

Description

The earthquake open-air evacuation ladder is opened in the two joint elongations of folding chair formula automatically

One, affiliated technical field

The utility model relates to a kind of folding chair formula two joint elongations and opens the earthquake open-air evacuation ladder automatically, especially in moment at stake in several seconds is arrived in earthquake, outside this room escape ladder be the shortcut oblique angle away from building, when arriving open-air evacuation stair hypomere, actual danger alleviates.

Two, background technology

Because people lack knowledge to the origin of earthquake, difficulty can be made accurate forecast before violent earthquake is arrived, cause earthquake to cause a tremendous loss of lives, the Wenchuan violent earthquake is exactly a miserable example, Beichuan county according to the severely afflicated area is obvious and clear, begin slightly to rock the time weak point of building collapse in the current violent earthquake from the face of land, the personnel that live and handle official business at high building do not have the enough time to flee from all, wrecked common people's great majority are to be crushed to death in evacuating the way, part the dead has gone to downstairs ladder way and has been murdered, only differed from for one to two second, this each miserable sight can't help to make the people to feel sad.Consequently, people urgently wish to have a kind of the evacuation in the way in earthquake just can obtain than safety means.

Three, utility model content

For solving people in earthquake arriving shortcut evacuation fast in a flash, the utility model purpose is that the earthquake open-air evacuation ladder is opened in a kind of folding chair formula two joint elongations of design automatically, this escape ladder is that the room external staircase is gone downstairs at the shortcut oblique angle again, the harm of building collapse is compared alleviate.

For achieving the above object, the solution that the utility model is taked is: the earthquake open-air evacuation ladder is opened in a kind of folding chair formula two joint elongations automatically, it is by an imminent earthquake alarm buzzer, transfer and slow down cylinder, slowing down descends pins down rope, escape ladder upper end tracks, the track cover moves up and down, folding chair formula open-air evacuation main staircase glides and stretches out ladder, but the folding active column, folding column two end axles, main escape ladder railing glides and stretches out ladder rail, railing axis of rotation, escape ladder draws high the rope rotating disk, escape ladder draws high hawser, and escape ladder is put a buckle automatically, and compositions such as stretching out terraced drag-line glides.

The utility model feature and advantage are, one, this folding chair formula open-air evacuation ladder it implement by the control of imminent earthquake alarm buzzer, can open automatically in the imminent earthquake very first time.Two, it be with the shortcut oblique angle away from building, make and evacuate the common people and leave desperate situation ahead of time.Three, usually, escape ladder is the vertical attitude of awaiting orders outside the folding chair formula room, and it does not take up space and does not block traffic.Four, escape stair is to fall from top to bottom in force outside this folding chair formula room, does not need to add in addition power and implements.Five, because the enforcement of folding chair formula open-air evacuation ladder is to fall from top to bottom, also be the program of opening egress door automatically in the decline process, so that needn't establish loaded down with trivial details safety door again.

Four, description of drawings

Fig. 1 is that the await orders schematic diagram of attitude of earthquake open-air evacuation ladder is opened in the elongation of this folding chair formula two joint automatically

Fig. 2 is the implementation process schematic diagram that the earthquake open-air evacuation ladder is opened in the two joint elongations of this folding chair formula automatically

Fig. 3 is that this folding chair formula two joints extend structural representation in the enforcement of opening the earthquake open-air evacuation ladder automatically

Fig. 4 is enforcement that the earthquake open-air evacuation ladder is opened in the elongation of this folding chair formula two joint automatically schematic diagram that finishes

Fig. 5 is the cross-sectional view of this folding chair formula open-air evacuation main staircase

Among the figure: 1, imminent earthquake alarm buzzer, 2, transfer and slow down cylinder, 3, slow down decline and pin down rope, 4, escape ladder upper end tracks, 5, the track cover that moves up and down, 6, folding chair formula open-air evacuation main staircase, 7, glide and to stretch out ladder, but 8 folding active columns, 9, folding column two end axles, 10, main escape ladder railing, 11, glide and to stretch out ladder rail, 12, the railing axis of rotation, 13, escape ladder draws high the rope rotating disk, 14, escape ladder draws high hawser, and 15, escape ladder puts a buckle automatically, 16, glide and stretch out ladder and draw high rope.

Five, the specific embodiment

The following basis accompanying drawing of awaiting orders remakes description in conjunction with the implementing procedure legend to the utility model.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the earthquake open-air evacuation ladder is opened in a kind of folding chair formula two joint elongations automatically, comprises setting an imminent earthquake alarm buzzer (1), puts a buckle (15) automatically for the control escape ladder and implements.Folding chair formula open-air evacuation main staircase (6) is established a downslide again and is stretched out ladder (7) and two downslides and stretch out ladder and draw high rope (16) in the ladder.Folding chair formula open-air evacuation main staircase (6) but the middle part connects downwards two folding active columns (8) and folding column two end axles (9), for supporting open-air evacuation main staircase (6) but weight folding effect again.Folding chair formula open-air evacuation main staircase (6) upper end is established two and is slowed down to descend and pin down rope (3) and one and transfer and slow down cylinder (2), controls folding chair formula open-air evacuation main staircase (6) and descends in certain speed.Two escape ladders upper end tracks (4) and two track covers (5) that move up and down are established in both sides, folding chair formula open-air evacuation main staircase (6) upper end, folding chair formula open-air evacuation main staircase (6) energy freely be opened and can folding.Folding chair formula open-air evacuation main staircase (6) upper end establishes in addition that two escape ladders draw high hawser (14) and an escape ladder draws high rope rotating disk (13), draws high the position of the attitude of awaiting orders etc. for folding chair formula open-air evacuation main staircase (6).

Referring to Fig. 5, folding chair formula open-air evacuation main staircase (6) top is provided with main escape ladder railing (10), the top that ladder (7) is stretched out in downslide also is provided with to glide stretches out ladder rail (11), and each railing all has railing axis of rotation (12), ejects when implementing nearly to finish and turns over to vertical attitude.

When folding chair formula open-air evacuation main staircase (6) when awaiting orders attitude, it leans against high building wall limit with vertical in form, but also has covered the doorway of escape ladder, guarantees that egress door does not meet with an accident.

When the earthquake arriving face of land began slightly to rock, imminent earthquake alarm buzzer (1) had also been opened the control escape ladder and has been put a buckle (15) automatically when giving the alarm.So beginning to glide, outwards opens folding chair formula open-air evacuation main staircase (6), in the way that descends, pin down the restraining function of rope (3) because of being subjected to transferring slowing down cylinder (2) and slowing down to descend, folding chair formula open-air evacuation main staircase (6) upper end can only be descended in suitable speed.Gradually descend because of folding chair formula open-air evacuation main staircase (6) upper end simultaneously, making glides stretches out two of ladder (7) upper end and draws high rope (16) and increase, stretching out ladder (7) so glide also just progressively stretches out downwards, when treating that folding chair formula open-air evacuation main staircase (6) is implemented to finish nearly, main escape ladder railing (10) and downslide are stretched out ladder rail (11) and are popped up and turn over to vertical.All implementation procedures consequently finish, and flee from for like this evacuation personnel fast with the shortcut oblique angle.

Claims

1, the earthquake open-air evacuation ladder is opened in a kind of folding chair formula two joint elongations automatically, comprise and set an imminent earthquake alarm buzzer (1), a system escape ladder is put a buckle (15) automatically, establish a downslide in a folding chair formula open-air evacuation main staircase (6) and the ladder again and stretch out ladder (7), and two downslides are stretched out ladder and drawn high rope (16).Folding chair formula open-air evacuation main staircase (6) but the middle part connects downwards two folding active columns (8) and folding column two end axles (9).Folding chair formula open-air evacuation main staircase (6) upper end is established two and is slowed down to descend and pin down rope (3) and one and transfer and slow down cylinder (2).Two escape ladder upper end tracks (4) and two track covers (5) that move up and down are established in both sides, folding chair formula open-air evacuation main staircase (6) upper end.Folding chair formula open-air evacuation main staircase (6) upper end establishes in addition that two escape ladders draw high hawser (14) and an escape ladder draws high rope rotating disk (13).Folding chair formula open-air evacuation main staircase (6) top is provided with main escape ladder railing (10), and the top of stretching out ladder (7) of gliding also is provided with to glide stretches out ladder rail (11), and each railing all has railing axis of rotation (12) etc.

2, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: wear an imminent earthquake alarm buzzer (1), put a buckle (15) automatically by imminent earthquake alarm buzzer (1) control escape ladder and implement.

3, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: folding chair formula open-air evacuation main staircase (6) is vertical configuration (referring to Fig. 1) in the attitude of awaiting orders, and is oblique angle descending shape (referring to Fig. 4) when putting in place implementing.

4, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: establish a downslide in the folding chair formula open-air evacuation main staircase (6) again and stretch out ladder (7), play accretion when implementing.

5, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: establish two folding active columns (8) and folding column two end axles (4) in the middle part down at folding chair formula open-air evacuation main staircase (6), for the weight that supports folding chair formula open-air evacuation main staircase (6) can make its free folding again.

6, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: be provided with main escape ladder railing (10) in folding chair formula open-air evacuation main staircase (6) top, the top that ladder (7) is stretched out in downslide also is provided with to glide stretches out ladder rail (11), and each railing all has railing axis of rotation (12), ejects automatically when implementing nearly to finish and turns over to vertical attitude.

7, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: establish two in folding chair formula open-air evacuation main staircase (6) upper end and slow down to descend and pin down rope (3) and one and transfer and slow down cylinder (2), control folding chair formula open-air evacuation main staircase (6) top and in certain speed, descend and open.

8, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: establish in addition in folding chair formula open-air evacuation main staircase (6) upper end that two escape ladders draw high hawser (14) and an escape ladder draws high rope rotating disk (13), the position of drawing high the attitude of awaiting orders for folding chair formula open-air evacuation main staircase (6).

9, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: stretch out ladder (7) upper end in downslide and establish two downslides and stretch out ladder and draw high rope (16), open in the process at enforcement folding chair formula open-air evacuation main staircase (6), making downslide stretch out ladder (7) can stretch out automatically.If folding chair formula open-air evacuation main staircase (6) is drawn high when awaiting orders the attitude position, glide and stretch out ladder (7) automatically in the indentation folding chair formula open-air evacuation main staircase (6).

10, the earthquake open-air evacuation ladder is opened in 1 described folding chair formula two joint elongations automatically according to claims, it is characterized in that: establish two escape ladders upper end tracks (4) and two track covers (5) that move up and down on both sides, folding chair formula open-air evacuation main staircase (6) upper end, folding chair formula open-air evacuation main staircase (6) energy freely be opened and can folding.