CN2474709Y

CN2474709Y - Length adjustable escape ladder

Info

Publication number: CN2474709Y
Application number: CN 01223114
Authority: CN
Inventors: 吴信雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-08
Filing date: 2001-05-08
Publication date: 2002-01-30
Anticipated expiration: 2011-05-08

Abstract

The utility model discloses a folding escape ladder providing a safe escape device which has simple structure, and is easy to be folded and unfolded in order with quick and convenient utilization, and is convenient to increase the application length. The utility model is provided, which comprises a frame fixing ladder, a ladder rod assembly, the upper end of which is assembly connected with the frame fixing ladder, and a directional carriage, wherein the ladder rod assembly comprises a plurality of ladder rods and two steel cables which are connected with a plurality of ladder rods, and two steel cables threading in series on two ends of a plurality of ladder rods, the directional carriage is assembly connected with the lower end of the ladder rod assembly in order to accept the ladder rod assembly which is in the form of multiple dependence.

Description

The Emergency Ladder that can fold

The utility model belongs to safety exit equipment, particularly a kind of Emergency Ladder that folds.

Such as for preventing the difficult problem of the on-the-spot escape of fire, popular in recent years is easier survival equipment to the means of escape also attention further and help the Emergency Ladder of escape, and it is applicable to the public place, also applicable to the household.As shown in Figure 7, the standing Emergency Ladder of disclosed hoist cable formula comprises arc hanger 50; End in arc hanger 50 both sides forms

Body, the other end form hollow arc pipe 51; Hollow arc pipe 51 ends are connected with the treadle 51 that connects by rope 53.During connection, be that a end with rope 53 penetrates hollow arc pipe 51 and pulled out by the top and to be posted by the surface again, by lid 54 rope 53 pressed to be sandwiched in arc hanger 50 and to cooperate locking; Rope 53 lower end edges recline against treadle 52 two ends end faces, and press locking by lid 54, making each treadle 52 be the parallel shape level mutually is installed on the rope 53, trample for the people, hollow arc pipe 51 1 ends of arc hanger 50 are resisted against on the wall by fixed, its other end is kept at a distance together with rope 53 and wall by it forms arc, causes being difficult to trampling to avoid rope 53 to press close to wall.Though the Emergency Ladder of this kind structure has the advantage that is easy to trample, but still deposit following shortcoming:

1, is difficult for folding

Because rope is with after terraced bar combine, folding state just leans on each terraced bar is folded, there is no the structure that certain maintenance is located after leaning on folding to fold, and is easy to be colluded rope by its thing and in disorder; Or be entangled with mutually and extremely be difficult for folding preservation; Take by also quite not convenient; If when rope is chain, will folds, carry because of Heavy Weight is more difficult.

2, the support effect of hollow arc pipe is lower

More easily deform during use and since hollow arc pipe only with the one end against on the wall, unsettled and directly link rope and terraced bar in the other end.When the survivor lays hold of a rope and tramples in terraced bar, the weight of health and the power that applies when trampling, easily swing towards metope because of inertia makes rope, hollow arc pipe differs from the other end that is hooked in metope and bears very big load, causes hollow arc pipe easily to produce a metaboly that is unable to hold out.

3, meet metope thickness not simultaneously, the design that the arc hanger hangs metope can't change thereupon, and is relatively poor in applicability.

4, the Emergency Ladder structure of fixedly connected length combines because of the arc hanger is fixedly with rope system, can't disassemble.When interim emerency request Emergency Ladder increases, be difficult to cooperate emergent provisional escape and rescue demand.

The purpose of this utility model provide a kind of simple in structure, be easy to neatly to fold, launch to use easy rapidly, be convenient to increase the Emergency Ladder that folds that uses length.

The utility model comprises the terraced bar group and the directed balladeur train of the fixed ladder of frame, upper end and the fixed terraced winding of frame; Ladder bar group is propped up two cable wires that terraced bar and linking number prop up terraced bar by plural number; Two cable wire strings are through at several terraced bar two ends; Directed balladeur train is connected to terraced bar group lower end and is folded by shape ladder bar group to take in.

Wherein:

It is to be H shape hollow pipe support that frame is decided ladder, and it is that this body rod, the plug that are  shape hollow tube by two sides are located at free-ended being on two body rods

Shape screens bar and several the parallel each other bars of grabbing that are connected with between two body rods in ground constitute; This body rod lower end system extends to not-go-end to be same as screens bar direction; Two cable wires are connected with suspension hook topmost respectively; Directed balladeur train comprises that two harvesting parts, level are fixed in two the upper and lower of harvesting part upper and lower end and hold up bar and locking to be positioned to receive and keep part last terraced bar bottom; The locating in opposite directions of two harvesting parts provides the opening shape and closes up, and harvesting part top is provided with the perforation that wears safety cock; The most last lower end of ladder bar group two cable wires is fixed on the last terraced bar of directed balladeur train.

Be folded with relative respectively each the terraced bar upper and lower of plural number on ladder bar group two cable wires terraced bar is positioned the beam ring on the cable wire.

The upper and lower bar of holding up is shape; Upper and lower the holding up between bar and harvesting part that level is fixed in two harvesting part upper and lower ends keeps spacing.

Free end is provided with main aperture on this body rod; It is corresponding and by the secondary hole of adjustment that screens bar side is provided with on plural number and this body rod main aperture on the free end.

Frame is decided ladder and is grabbed hook between bar and the directed balladeur train and be provided with and will be accommodated in directed balladeur train manhole ladder bar group and by being positioned the fixed terraced chain of frame.

Because the utility model comprises the terraced bar group and the directed balladeur train of the fixed ladder of frame, upper end and the fixed terraced winding of frame; Ladder bar group is propped up two cable wires that terraced bar and linking number prop up terraced bar by plural number; Two cable wire strings are through at several terraced bar two ends; Directed balladeur train is connected to terraced bar group lower end and is folded by shape ladder bar group to take in.Assembling will be accommodated in the directed balladeur train that is connected to its lower end in succession with the plural terraced bar that two cable wire strings are worn when folding, and make that each terraced bar is folded to be leaned on, the order string be through at each terraced bar between cable wire bent and scratch evagination and fold the space with minimizing.During use, with terraced bar group cable wire terraced bar group is hung in frame and decides ladder bottom; During use, by the elasticity of cable wire, and make each terraced bar eject by directed balladeur train one after another, and make directed balladeur train cable wire is stretching, thereby make directed balladeur train drop to the most beneath position by the elasticity that terraced bar group ejects, just can be for escape.When folding, compression is folded by each terraced bar, it is accommodated in the directed balladeur train, can conveniently fold, volume after operation launches also quite rapidly, folds is little, be convenient to carrying, not only simple in structure, be easy to neatly fold, and launch to use easy rapidly, be convenient to increase and use length, thereby reach the purpose of this utility model.

Fig. 1, be the utility model structural representation stereogram (collapse state).

Fig. 2, be the utility model decomposition texture schematic isometric.

Fig. 3, be the utility model structural representation stereogram when using (desire).

Fig. 4, be that the utility model decontrols view.

Fig. 5, be the utility model structural representation stereogram (deployed condition).

Fig. 6, be among Fig. 5 A to view.

Fig. 7, be the known Emergency Ladder structural representation stereogram that folds.

Below in conjunction with accompanying drawing the utility model is further elaborated.

As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises the fixed ladder 10 of frame, terraced bar group 20 and directed balladeur train 30.

The fixed ladder 10 of frame is to be H shape hollow pipe support, and it is that this body rod 11, the plug that are  shape hollow tube by two sides are located at free-ended being on two body rods 11 Shape screens bar 15 and several the parallel each other bars 13 of grabbing that are connected with between two body rods 11 in ground constitute.Free end is provided with main aperture 12 on this body rod 11.It is corresponding and by the secondary hole 151 of adjustment that screens bar 15 sides are provided with on plural number and this body rod 11 main aperture on the free end 12.This body rod 11 lower ends system extends to not-go-end 14 to be same as screens bar 15 directions.

Ladder bar group 20 comprises that a plural number terraced bar 22, string are through at several cable wire 21 and the plural beam rings 23 between terraced bar 22 two ends.

Plural number beam ring 23 is located in cable wire 21, and respectively relative each terraced bar 22 upper and lower, so that terraced bar 22 is positioned on the cable wire 21.

Two cable wires 21 are connected with suspension hook 211 respectively topmost, and its most last lower end is fixed on the last terraced bar of directed balladeur train 30.

Directed balladeur train 30 comprises that two harvesting parts 31, level are fixed in the upper and lower of two harvesting parts, 31 upper and lower ends and hold up bar 32,321 and locking to be positioned to receive and keep part 31 last terraced bar 35 bottom.

The locating in opposite directions of two harvesting parts 31 provides the opening shape and closes up 311, and harvesting part 31 tops are provided with the perforation 33 that wears safety cock 34.

The upper and lower bar 32,321 of holding up is ㄩ shape.

Upper and lower bar 32,321 and 31 of the harvesting parts held up that level is fixed in two harvesting parts, 31 upper and lower ends keeps spacing; The terraced bar 35 in end is received and kept the closing in 311 of part 31 and is put into and place lowest positions along both sides, and locatees with 31 lockings of harvesting part.

When assembling folds, as Fig. 1, Fig. 2, shown in Figure 4, to collapse in the harvesting part 31 along 311 blockings of closing up in succession with the plural terraced bar 22 that the cable wire string is worn, and make each terraced bar 22 folded leaning on as far as possible, order string be through at each terraced bar 22 between cable wire 21 bent and scratched evagination, make it not influence the situation that folds of each terraced bar 22; After in the terraced bar 22 income harvesting parts 31 of top, just make safety cock 34 run through to block terraced bar 22 by perforation 34, all terraced bars 22 all are accommodated in the harvesting part 31.

As shown in Figure 1, when desiring to fold the utility model, with terraced bar group 20 and be against the fixed ladder 10 of frame, again by the chain more than at least one 40 be hooked in respectively the fixed ladder 10 of frame grab bar 13 and on hold up between the bar 32, make terraced bar group 20 be collected in directed balladeur train 30 and with the fixed ladder 10 of frame and lean on, fold the space, be beneficial to carrying with minimizing, can cooperate the L shaped lamellar body 50 of fixed wall to hang at ordinary times and be positioned wall.

During use, as Fig. 3, Fig. 4, shown in Figure 5, chain shown in Fig. 1 40 is taken away, make the suspension hook 211 of terraced bar group 20 cable wires 21 walk around 10 body rods 11 of the fixed ladder of frame later to hook cable wire 21, make terraced bar group 20 be hung in the fixed ladder 10 of frame grabbing on the bar 13 bottom, make terraced bar group 20 be connected under the fixed ladder 10 of frame, make screens bar 15 cards be against wall again, be close to wall thickness with this body rod 11 and screens bar 15 two sides folder, supporting not-go-end 14 ends is resisted against on the wall surface, pull out safety cock 34,, and make each terraced bar 22 eject by the mouth 311 that folds of harvesting part 31 one after another by the elasticity of cable wire 21, because last terraced bar 35 is fixed in two harvesting parts, 31 lower ends, directed balladeur train 30 is stretching with cable wire 21 by the elasticity that terraced bar 35 ejects, thereby makes directed balladeur train 30 drop to the most beneath position, just can be for escape.

When folding, each terraced bar 22 of reverse compression, and safety cock 34 is inserted perforation 33 lean on each terraced bar 22 to prevent that it from coming off to block up.

When on the wall that the utility model is installed in different wall, as shown in Figure 6, the bolt of

main aperture

12 and 151 positions, screens bar 15 secondary holes unclamps on this body rod 11 with being mounted on, screens bar 15 relative these body rods 11 are moved forward and backward, change spacing between screens bar 15 and this body rod 11 to press the wall thickness adjustment, guarantee that frame decides ladder and be equipped on the wall reliably.

As mentioned above, the utlity model has following efficacy advantages:

1, the utility model can conveniently fold, and operation launches also quite rapid: owing to make by directed balladeur train Each terraced bar orientation is neatly folded and is leaned on; During expansion, only need pull open safety cock, just can be orderly by directed balladeur train Flick, and cooperate appropriate elasticity, have the result of use of rapid expansion, very convenient.

2, the volume after folding little, be convenient to carrying: be to disassemble each other because frame decide ladder with terraced bar group, usefulness Finish, can decide with the fixed ladder of terraced bar group and frame and by hook, cooperate directed balladeur train neatly to fold to close each terraced bar by card ready, Make and can not cause terraced bar, cable wire mutually to be entangled with and the problem that is difficult to carry out in the carrying.

3, the utility model can infinitely prolong: as long as the suspension hook of terraced bar group is hung in the last terraced bar of directed balladeur train With under hold up the bar position, each terraced bar group is contacted in succession, the unlimited prolongation, in any emergent interim moment, Can smooth and easyly simply look the high length that increases in escape building, have flexibility.

4, decide the position that ladder can lean on by folder wall thickness adjustment screens bar for of the present utility model, to promote The applicability in variant place.

Claims

1, a kind of Emergency Ladder that folds, it comprises that frame decides the terraced bar group of ladder and upper end and the fixed terraced winding of frame; Ladder bar group is propped up two cable wires that terraced bar and linking number prop up terraced bar by plural number; It is characterized in that described terraced bar group two cable wire strings are through at several terraced bar two ends; The lower end winding of ladder bar group has to take in to be folds the directed balladeur train that leans on shape ladder bar group.

2, the Emergency Ladder that folds according to claim 1 is characterized in that deciding ladder for described is to be H shape hollow pipe support, and it is that this body rod, the plug that are  shape hollow tube by two sides are located at free-ended being on two body rods

3, the Emergency Ladder that folds according to claim 1 is characterized in that being folded with on described terraced bar group two cable wires relative respectively each the terraced bar upper and lower of plural number terraced bar is positioned the beam ring on the cable wire.

4, the Emergency Ladder that folds according to claim 2 is characterized in that the described upper and lower bar of holding up is shape; Upper and lower the holding up between bar and harvesting part that level is fixed in two harvesting part upper and lower ends keeps spacing.

5, the Emergency Ladder that folds according to claim 2 is characterized in that free end is provided with main aperture on described the body rod; It is corresponding and by the secondary hole of adjustment that screens bar side is provided with on plural number and this body rod main aperture on the free end.

6, the Emergency Ladder that folds according to claim 2 is characterized in that deciding ladder for described grabs hook between bar and the directed balladeur train and be provided with and will be accommodated in directed balladeur train manhole ladder bar group and by being positioned the fixed terraced chain of frame.