CN2558401Y

CN2558401Y - Emergency ladder for lowering person from building

Info

Publication number: CN2558401Y
Application number: CN 02238753
Authority: CN
Inventors: 蔡登凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-17
Filing date: 2002-06-17
Publication date: 2003-07-02
Anticipated expiration: 2012-06-17

Abstract

The utility model relates to an emergency ladder, which mainly comprises a box frame arranged fixedly on outer wall of top floor of building, a driving device arranged in the box frame, an escape ladder arranged from the top floor to the ground, a track support for limiting the escape ladder, and an adjusting support, the driving device has a speed controller and a fixed shaft controlled by the speed controller, the escape ladder is meshed with two parallel annular chains on the fixed shaft, the lower part of the chain can fall approximate to the ground, moreover a plurality of levers and pedals that escaper can stand on or climb on are arranged between the two chains at equal space, the escaper can generate clockwise circulation rotation by self-weight, and descends at equal speed under the action of the speed controller, so that the escaper can descend onto the ground so as to reach the purpose of escape. The utility model has the advantages of low cost, convenient application, and rapid escape from fire field.

Description

The fire escape stair of emergency escape

Technical field

The utility model relates to a kind of escape device, be meant especially a kind of can be when fire the fire escape stair of emergency escape.

Background technology

Fire usually is to take place under people have no the situation of early warning, also so often lost the opportunity of escape, seized the life of countless preciousnesses, therefore, except carrying out fire prevention measure, as adopt fireproof building material, prepare various fire extinguisher and keep to lack especially for the equipment of emergency escape outside emergency staircase unimpeded.

Investigation according to a lot of fire, during breaking out of fire, die in scene of a fire person, mostly because of can not find escape route or survival equipment in a hurry, perhaps survival equipment operation is difficult for maybe dare not using, and incurs loss through delay escape opportunity, causes the survivor to be choked to death while still alive by dense smoke, therefore if can have a handled easily and short time can hightail the emergency escape equipment in the scene of a fire, can significantly reduce personnel's injures and deaths for more people.

The inventor develops the automatic fire escape stair of a kind of escape and gets permission Chinese utility model patent 00208907.6 through long-term developmental research, and authentication is passed through through NFA quality testing center, is the product of rescuing people's salvation in fact.Its major defect is:

The smoothness that structure is comparatively complicated, cost is higher and turn round etc. are more undesirable.

Summary of the invention

Main purpose of the present utility model provides a kind of fire escape stair of emergency escape, by the structure of simple in structure and processing ease, reaches with low cost, easy to use and hightails the purpose in the scene of a fire.

The purpose of this utility model is achieved in that a kind of fire escape stair of emergency escape, it is characterized in that: it comprises: be fixedly arranged on the hollow tank tower on the exterior wall of building attic, its below has opening, laterally is provided with stopping device in this tank tower; Transmission device has the fixed axis that is axially set in the speed control in this tank tower and is subjected to this speed control control, and these fixed axis both sides are respectively equipped with sprocket wheel, and this fixed axis is provided with rocking handle; Emergency Ladder seals the chain that circularizes and be parallel to each other by two and is formed, each chain top is to be engaged on the sprocket wheel of this fixed axis, this chain below hangs near ground, equidistantly be provided with most connecting rods and most pedal between this two chain, the most connecting rods and the most pedal that supply the survivor to stand and seek connections with; Rail bracket is the balcony place that vertically is fixedly arranged on each floor of building, its corresponding each chain includes trapped orbit group and flexible track groups, this trapped orbit upper limb outside is provided with opening outwardly, should flexible track groups be to be located at trapped orbit group below, this flexible track groups places in the trapped orbit group with the rising of this chain; Adjustment rack is automatically to slide up and down in flexible track groups below with chain length difference, firmly this Emergency Ladder.

This stopping device includes fixed bar and blocking bar, this fixed bar is to be fixedly arranged on this tank tower, this blocking pole pair should fixed bar and is hubbed on this tank tower, convex with driving lever and pin on this blocking bar, this connecting rod is stirred this driving lever, this pin is supported terminate on this fixed bar, this chain turns to outwardly and hangs.This pedal is equidistantly to be hubbed on this chain, and this Emergency Ladder all is provided with gag lever post in the pedal top, and these each pedal both sides are pivoted with slip ring respectively, and this gag lever post is sheathed in this slip ring.Should laterally be pivoted with movable axis in flexible track groups below, this movable axis is meshed with the chain of this Emergency Ladder, the lifting with the lifting of this chain hypomere of this movable axis.This adjustment rack vertically is provided with the adjustment hole of certain-length, and this flexible track groups is provided with caging bolt to adjusting the hole, and this adjustment rack is linked to this flexible track groups below, and is flexible automatically with the height of this chain.

When the survivor seeks connections with on the connecting rod of Emergency Ladder of the present utility model, this Emergency Ladder can produce the back rotation of following forward because of survivor's self weight, and the effect by speed control is constant speed and descends, and drops to ground for the survivor, and reaches the purpose of escape; And when when putting this fixed axis of bright backward rotation, these chains can be subjected to the block of stopping device and change towards opening part and hang, and then the chain of hypomere is risen, and drive flexible track simultaneously and adjustment rack rises together, and reach collection, antitheft effect, also can prevent the danger that children climb simultaneously.

Describe in detail below in conjunction with preferred embodiment and accompanying drawing.

Description of drawings

Fig. 1 is the schematic perspective view of tank tower of the present utility model and transmission device.

Fig. 2 is the schematic perspective view of Emergency Ladder of the present utility model.

Fig. 3 is the schematic perspective view of rail bracket of the present utility model.

Fig. 4 is the schematic side view of Emergency Ladder of the present utility model when using.

Fig. 5 is an Emergency Ladder of the present utility model action schematic diagram when carrying personnel;

Fig. 6 is the action schematic diagram of Emergency Ladder of the present utility model when collection;

Fig. 7 is the schematic side view of Emergency Ladder of the present utility model when collection.

The specific embodiment

Consult Fig. 1-shown in Figure 4, the fire escape stair of emergency escape of the present utility model includes a tank tower 10, a transmission device 20, an Emergency Ladder 30, a rail bracket 40 and an adjustment rack 50, wherein:

This tank tower 10 is a hollow support body, can be fixedly arranged on the exterior wall of building attic, its below also has an opening 11, laterally be provided with a stopping device 12 in this tank tower 10 again, wherein this stopping device 12 more includes a fixed bar 121 and a blocking bar 122, and this fixed bar 121 is to be fixedly arranged on the tank tower 10, and this blocking bar 122 is then to should fixed bar 121 and be hubbed on the tank tower 10, convex with a driving lever 123 and pin 124 on this blocking bar 122 again, this driving lever 123 and pin 124 are also vertical mutually.

This transmission device 20 has a fixed axis 22 that is arranged at the speed control 21 in the tank tower 10 and controlled by this speed control 21, wherein this speed control 21 more includes manually brake switch 212 of first-class speed controller spare 211 and, this fixed axis 22 is laterally to be hubbed in the tank tower 10, be respectively equipped with a sprocket wheel 221 in both sides, this fixed axis 22 is provided with a reductor 222 and rocking handle 223 in addition.

This Emergency Ladder 30 seals the chain 31 that circularizes and be parallel to each other by two and is formed, each chain 31 top is to be engaged on the sprocket wheel 221 of fixed axis 22, chain 31 belows then can hang near ground, 31 on this two chain equidistantly is provided with most connecting rods 32 again, can seek connections with for the survivor, this Emergency Ladder 30 more includes most pedals 33 again, each pedal 33 is equidistantly to be hubbed on the connecting rod 32 of 31 on chain, this Emergency Ladder 30 all is provided with a gag lever post 34 in pedal 33 tops again, and each pedal 33 both sides is pivoted with a microscler slip ring 331 respectively, this gag lever post 34 then is sheathed in this slip ring 331, when pedal 33 when chain 31 is descending, can be horizontal level, stand for the survivor, and when pedal 33 when chain 31 is up, then be stand up position.

This rail bracket 40 is the balcony places that vertically are fixedly arranged on each floor of building, in order to spacing this Emergency Ladder 30, its corresponding each chain 31 includes a trapped orbit group 41 and a flexible track groups 42, should flexible track groups 42 be to be located at trapped orbit group 41 belows, and should flexible track groups 42 can place with the rising of chain 31 in trapped orbit group 41, and this rail bracket 40 laterally is pivoted with a movable axis 43 in flexible track groups 42 belows, these movable axis 43 both sides are respectively equipped with a sprocket wheel 431, can be meshed with chain 31, this trapped orbit group 41 upper limbs outside has opening 412 outwardly in addition;

This adjustment rack 50 vertically is provided with the adjustment hole 51 of certain-length in epimere, should flexible track groups 42 then be provided with a caging bolt 421 to adjusting hole 51, make adjustment rack 50 can be linked to flexible track groups 42 belows, and can be flexible automatically in good time because of the variation of the different length that produce of tension force size with chain 31, also can slide up and down track groups 42 belows of contracting the second month in a season automatically, so its bottom is kiss the earth, firmly this Emergency Ladder 30 all the time.

Consult shown in Figure 5, when breaking out of fire, the survivor can move to each building balcony or refuge area rapidly, and seek connections with in connecting rod 32 near the building inboard, trample simultaneously on pedal 33, at this moment, this Emergency Ladder 30 can produce the back rotation of following forward because of survivor's self weight, and the effect by speed control 21 is constant speed and descends, carry the slow ground of reducing to of most survivors, and reach the purpose of escape since chain 31 can not stop follow back rotation, so can constantly supply the survivor seek connections with decline, and has the advantage that the short time carries most personnel escapes simultaneously, and because chain 31 velocities of rotation of the present utility model are controlled by 21 constant speed of speed control, so even Emergency Ladder carries the danger that many people also do not have acceleration simultaneously, as safe as a house.

With reference to Fig. 6-shown in Figure 7, when the utility model does not use, reverse turn rocking handle 223, to drive chain 31 reverse rotations, when the connecting rod 32 in these Emergency Ladder 30 outsides descends gradually, will stir the driving lever 123 of stopping device 12, and then make pin 124 to terminating on the fixed bar 121, and chain 31 can't be moved down again, this moment is because rail bracket 40 is to have opening opening 412 outwardly in the upper limb outside of stopping device 12, make chain 31 and then turn to outwardly and hang, and the subaerial hypomere chain 31 of this script is risen gradually, and drive flexible track groups 42 simultaneously and adjustment rack 50 rises together, should flexible track groups 42 then can place in trapped orbit group 41, make the fire escape stair of this emergency escape be positioned at Stall and partly can place more than the building second floor, have collection, antitheft, attractive in appearance and prevent that children from climbing and cause dangerous advantage.

And when the survivor uses once again, as long as survivor in a single day climbing stands on the pedal 33 of Emergency Ladder 30, and when untiing hand-operated brake, the principle that Emergency Ladder is descended by survivor's own wt just, and beginning is forward rotated, and then make the chain 31 of Emergency Ladder 30 reach the function of escape once again to dropping down onto near ground.

So the fire escape stair of emergency escape of the present utility model possesses following characteristics:

1, the utility model is simpler than the structure of the previous fire disaster escaping fire escape stair of researching and developing of the inventor, cost is lower, and since Emergency Ladder 30 only need to be respectively equipped with a fixed axis 22 and a movable axis 43 in upper and lower end, so rotate delay fall more smooth and easy.

2, because the utility model can be by the setting of rail bracket 40, make Emergency Ladder 30 have limit effect, and the automatic Telescopic that is produced by being provided with of adjustment rack 50, Emergency Ladder 30 can be stable on the ground indirectly, make Emergency Ladder 30 unlikely generations rock or wave, therefore in the use with safer.

3,,,, fall but also constant speed is slow, so use as safe as a house even just Emergency Ladder 30 carries many people simultaneously so do not have the danger of acceleration because the utility model is to come the decrease speed of constant speed control Emergency Ladder 30 by a speed control 21.

4, because particular design of the present utility model, make the member of Stall part of whole fire disaster escaping fire escape stair all can move up simultaneously and place position more than the building second floor, have collection, effect antitheft and attractive in appearance, and can prevent that the child from climbing, avoid causing danger, and have safety in utilization.

In sum, structure simplification of the present utility model, processing ease, safe in utilization, and can provide many people to break away from the scene of a fire rapidly in the short time, and then can collect at ordinary times, have novelty, creativeness and practicality.

The above only is the utility model preferred embodiment, all those who are familiar with this art, and modification or change according to the utility model is done all are included within the protection domain of the present utility model.

Claims

1, a kind of fire escape stair of emergency escape, it is characterized in that: it comprises: be fixedly arranged on the hollow tank tower on the exterior wall of building attic, its below has opening, laterally is provided with stopping device in this tank tower; Transmission device has the fixed axis that is axially set in the speed control in this tank tower and is subjected to this speed control control, and these fixed axis both sides are respectively equipped with sprocket wheel, and this fixed axis is provided with rocking handle; Emergency Ladder seals the chain that circularizes and be parallel to each other by two and is formed, each chain top is to be engaged on the sprocket wheel of this fixed axis, this chain below hangs near ground, equidistantly be provided with most connecting rods and most pedal between this two chain, the most connecting rods and the most pedal that supply the survivor to stand and seek connections with; Rail bracket is the balcony place that vertically is fixedly arranged on each floor of building, its corresponding each chain includes trapped orbit group and flexible track groups, this trapped orbit upper limb outside is provided with opening outwardly, should flexible track groups be to be located at trapped orbit group below, this flexible track groups places in the trapped orbit group with the rising of this chain; Adjustment rack is automatically to slide up and down in flexible track groups below with chain length difference, firmly this Emergency Ladder.

2, the fire escape stair of emergency escape according to claim 1, it is characterized in that: this stopping device includes fixed bar and blocking bar, this fixed bar is to be fixedly arranged on this tank tower, this blocking pole pair should fixed bar and is hubbed on this tank tower, convex with driving lever and pin on this blocking bar, this connecting rod is stirred this driving lever, this pin is supported terminate on this fixed bar, and this chain turns to outwardly and hangs.

3, the fire escape stair of emergency escape according to claim 1, it is characterized in that: this pedal is equidistantly to be hubbed on this chain, this Emergency Ladder all is provided with gag lever post in the pedal top, and these each pedal both sides are pivoted with slip ring respectively, and this gag lever post is sheathed in this slip ring.

4, the fire escape stair of emergency escape according to claim 1 is characterized in that: this flexible track groups below laterally is pivoted with movable axis, and this movable axis is meshed with the chain of this Emergency Ladder, the lifting with the lifting of this chain hypomere of this movable axis.

5, the fire escape stair of emergency escape according to claim 1, it is characterized in that: this adjustment rack vertically is provided with the adjustment hole of certain-length, should flexible track groups be provided with caging bolt to adjusting the hole, this adjustment rack is linked to this flexible track groups below, and is flexible automatically with the height of this chain.