CN106894750B - Emergency door stairs and application method - Google Patents

Emergency door stairs and application method Download PDF

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Publication number
CN106894750B
CN106894750B CN201710156911.7A CN201710156911A CN106894750B CN 106894750 B CN106894750 B CN 106894750B CN 201710156911 A CN201710156911 A CN 201710156911A CN 106894750 B CN106894750 B CN 106894750B
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China
Prior art keywords
vertical ladder
section vertical
ladder
pedal
handrail
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CN201710156911.7A
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CN106894750A (en
Inventor
尹强
曾艳红
张国全
杨思
刘望升
田梦泽
谷腾达
桂堂文
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Wuhan Polytechnic University
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Wuhan Polytechnic University
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383Foldable ladders in which the longitudinal members are brought together on folding
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/082Connections between rungs or treads and longitudinal members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention discloses a kind of emergency door stairs and application methods, emergency door stairs include being sequentially connected by hinge mounting mechanism and locking the upper section vertical ladder of flip angle, in upper save vertical ladder, in lower section vertical ladder and lower section vertical ladder, each section vertical ladder includes a left side, right handrail and interval are installed on a left side, pedal in right handrail, each pedal being connected by linkage mechanism can synchronize varus and close at a left side, between right handrail or synchronize turn up with it is left, right handrail is vertical, the most higher level pedal of upper section vertical ladder is the fixed plate of closure, hook is installed on the inside of the fixed plate, safety rope is placed with inside fixed plate, a left side for upper section vertical ladder, in at the top of a right handrail and left side for lower section vertical ladder, the idler wheel installed by telescoping mechanism is equipped in right handrail bottom;Emergency door stairs can be used as " door leaf ", Emergency Ladder, double ladder, shock-absorbing area and transfer car(buggy) and use.The present invention can be used as door when not used and use and be not take up space within doors, and when use may be deformed to as Emergency Ladder, shock-absorbing area, transfer car(buggy) and double ladder.

Description

Emergency door stairs and application method
Technical field
The present invention relates to ladder structure, specially a kind of emergency door stairs and application method.
Background technique
Ladder is common tool in people's daily work life, and common ladder has double ladder, vertical ladder;It further expands Ladder have multifunctional ladder, flexible vertical ladder, retractable herringbone ladder, household ladder, fire-fighting rack, industrial ladder etc..
Existing ladder there are the problem of:
1, it has a single function, different operation purposes need to be equipped with the ladder with correlation function.
2, particularly home-use ladder, certain space need to be provided to store ladder, the family small for house, ladder accounts for According to the valuable interior space.
Summary of the invention
In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to propose one kind to prevent take up parking space And different requirements can be adapted to by Structural Transformation and emergency door stairs easy to operate, vdiverse in function, rapidly and efficiently and are made Use method.
The emergency door stairs of above-mentioned technical problem are able to solve, technical solution includes being sequentially connected to be used in combination by hinge mounting mechanism Rotation preventive mechanism locks four section vertical ladders of flip angle, the four sections vertical ladder be respectively upper section vertical ladder, in upper section vertical ladder, in lower section it is straight Terraced and lower section vertical ladder, each vertical ladder that saves includes left and right handrail and the pedal that interval is installed on left and right handrail, passes through linkage mechanism Connection each pedal can synchronize varus close between left and right handrail or synchronize turn up it is vertical with left and right handrail, upper section vertical ladder Most higher level's pedal is the fixed plate that individually fixed closure is installed on left and right handrail, and being equipped on the inside of the fixed plate can hooking Hook on building windowsill or balcony is placed with inside fixed plate for the safety rope with being bundled in, a left side for upper section vertical ladder, It is equipped at the top of right handrail and in the left and right handrail bottom of lower section vertical ladder the idler wheel installed by telescoping mechanism.
Emergency door stairs application method:
1, when above-mentioned emergency door stairs are on the shelf, the overturning of four section vertical ladders is overlapped into the " door that can be placed in house doorframe Fan ", each pedal varus closure, each idler wheel are retracted in handrail.
2, above-mentioned emergency door stairs are as Emergency Ladder in use, four section vertical ladders are turned into linear type, upper section vertical ladder most higher level Hook on the inside of pedal is hooked on building windowsill or balcony, and each pedal turns up vertical with left and right handrail, and each idler wheel, which is retracted in, to be helped In hand.
3, above-mentioned emergency door stairs as double ladder in use, overturning be one-shaped upper section vertical ladder, in upper section vertical ladder with Overturning is that lower save forms " people " font in one-shaped between vertical ladder and lower section vertical ladder, and each pedal turns up to hang down with left and right handrail Directly, each idler wheel is retracted in handrail.
4, as shock-absorbing area in use, the upper section vertical ladder of overturning overlapping, in upper section vertical ladder it is Chong Die with overturning under save directly " triangle " shape is formed between terraced and lower section vertical ladder, each pedal varus is closed between left and right handrail, and each idler wheel is retracted in handrail It is interior.
5, as transfer car(buggy) in use, overturning be upper section vertical ladder in one-shaped, in lower section vertical ladder and upper section vertical ladder and Lower section vertical ladder is respectively formed " right angle " shape, and each pedal varus is closed between left and right handrail, and each idler wheel stretches out outside handrail.
Beneficial effects of the present invention:
1, emergency door stairs of the present invention be a household appliance, usually can be used as when not used without emergency case bedroom door or Study door or shower door or balcony door use, thus are not take up space within doors.
2, when facing emergency, the present invention or as Emergency Ladder or as shock-absorbing area can be become by deformation Transfer car(buggy) uses, and is also may be deformed to usually as double ladder use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the present invention.
Fig. 2 is the structural schematic diagram that Fig. 1 embodiment is used as Emergency Ladder.
Fig. 3 is the structural schematic diagram that Fig. 1 embodiment is used as double ladder.
Fig. 4 is the structural schematic diagram that Fig. 1 embodiment is used as shock-absorbing area.
Fig. 5 is the structural schematic diagram that Fig. 1 embodiment is used as transfer car(buggy).
Fig. 6 is the structure diagram for cutting with scissors mounting mechanism in Fig. 1 embodiment between two section vertical ladders.
Fig. 7 is the structure diagram that the linkage mechanism of each pedal is connected in Fig. 1 embodiment.
Figure number mark: 1, upper section vertical ladder;2, upper in save vertical ladder;3, lower in save vertical ladder;4, lower section vertical ladder;5, handrail;6, it steps on Plate;7, it links up with;8, idler wheel;9, card wheel;10, pedal turns down clamp pin;11, pedal turns down clamp;12, spring;13, middle spaced winding Rope;14, wirerope.
Specific embodiment
Illustrated embodiment is described further technical solution of the present invention with reference to the accompanying drawing.
Emergency door stairs of the present invention, structure include four sections vertical ladder consistent in length, respectively upper section vertical ladder 1, in upper section it is straight Ladder 2, in lower section vertical ladder 3 and lower section vertical ladder 4, upper section vertical ladder 1 upper section vertical ladder 2 in connect by cutting with scissors mounting mechanism, in upper section vertical ladder 2 Lower section vertical ladder 3 connect by cutting with scissors mounting mechanism in, in lower section vertical ladder 3 connect with lower section vertical ladder 4 by hinge mounting mechanism, respectively cut with scissors and install The flip angle that rotation preventive mechanism locks hinge vertical ladder two-by-two is equipped in structure, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5.
The hinge mounting mechanism as shown in fig. 6, rotation preventive mechanism therein is the card wheel 9 in shaft, move by the axial of the card wheel 9 The dynamic latch that can make in card wheel 9 be engaged card slot on pivoted housing or with the exact separation on pivoted housing.
Each vertical ladder includes left and right handrail 5 and pedal 6,6 equidistant interval of pedal and is installed in rotation on left and right help On hand 5, it can be made to close between left and right handrail 5 and (exist together a plane with left and right handrail 5) 6 varus of pedal manually, manually Pedal 6, which is turned up, can make it vertically on left and right handrail 5, and being connected by linkage mechanism between each pedal 6 of four section vertical ladders can be real Varus and valgus is now synchronized, as shown in Fig. 1 Fig. 2, Fig. 3, Fig. 4, Fig. 5.
The linkage mechanism is wirerope draw-off mechanism, as shown in fig. 7, then being driven by pushing pedal fold clamp pin 10 Pedal turns down 11 compressed spring 12 of clamp, thus pull wirerope 14 will translate into outside each pedal 6 it is vertical with handrail 5, to avoid saving The overturning of vertical ladder between section and the variation for causing wirerope 14, wirerope 14 section with save vertical ladder 5 rotation of handrail at pass through Intermediate wiring 13 is attached, as shown in Figure 6.
The most higher level pedal 6 of upper section vertical ladder 1 is fixedly mounted on left and right handrail 5 in varus shape and becomes fixed plate, this is solid It is respectively equipped with left and right hook 7 on the inside of fixed board, fixed plate inner hollow is simultaneously stored and has safety rope;The left and right handrail 5 of upper section vertical ladder 1 Top and 5 bottom of left and right handrail of lower section vertical ladder 4 are equipped with idler wheel 8, and the idler wheel 8 passes through manually adjustable telescoping mechanism Inside handrail 5, as shown in Fig. 2, Fig. 5.
Emergency door stairs application method of the present invention:
1, when on the shelf, four section vertical ladders successively overturn overlapping (and locking) into " door leaf " shape, and being installed in doorframe can make For door use, 6 varus of each pedal at this time is closed, and each idler wheel 8 is retracted in handrail 5.
2, when fire occurs for building, the four section vertical ladders of " door leaf " shape can be removed from doorframe and is unfolded to be deformed into such as figure Four section vertical ladders are hooked on building windowsill or balcony, out of most higher level's pedal 6 by linear type Emergency Ladder shown in 2 with hook 7 It takes out safety rope to be bundled in survivor, survivor can downstairs escape along Emergency Ladder, and each pedal 6 at this time turns up, respectively Idler wheel 8 is retracted in handrail 5.
3, usually house when, change the bulb or take object if you need to ascend a height, the four section vertical ladders of " door leaf " shape can be taken from doorframe Under, it is linear type that by upper section vertical ladder 1, upper section vertical ladder 2, which overturns (and locking), in, and lower section vertical ladder 3 and lower section vertical ladder 4 turn over by Turning (and locking) is linear type, and " people " font of locking state is formed between two section linear type vertical ladders, as shown in figure 3, this When each pedal 6 turn up, each idler wheel 8 is retracted in handrail 5.
4, when coming earthquake, the four section vertical ladders of " door leaf " shape can be removed from doorframe, makes upper 1 He of section vertical ladder of overlapping In upper section vertical ladder 2 with it is Chong Die in be turned into " triangle " shape of locking state between lower section vertical ladder 3 and lower section vertical ladder 4 and become surely Solid triangle shock-absorbing area, as shown in figure 4,6 varus of each pedal at this time, each idler wheel 8 are retracted in handrail 5.
5, when needing to transport large item, the four section vertical ladders of " door leaf " shape can be removed from doorframe, upper section is straight by The lower section overturning of vertical ladder 3 (and locking) in of ladder 2 is linear type, and upper section vertical ladder 1 is downwardly turned over and is saved on (and locking) Cheng Yuzhong Vertical ladder 2 is vertical, and lower section vertical ladder 4 is downwardly turned over and saves that vertical ladder 3 is vertical under (and locking) Cheng Yuzhong, as shown in figure 5, respectively stepping at this time 6 varus of plate, each idler wheel 8 manually adjust stretching outside handrail 5.

Claims (6)

1. emergency door stairs, including four sections vertical ladder consistent in length, respectively upper section vertical ladder (1), in upper section vertical ladder (2), in lower section Vertical ladder (3) and lower section vertical ladder (4), upper section vertical ladder (1) upper section vertical ladder (2) in connects by cutting with scissors mounting mechanism, in upper section vertical ladder (2) Lower section vertical ladder (3) connect by cutting with scissors mounting mechanism in, in it is lower save vertical ladder (3) and connect with lower section vertical ladder (4) by hinge mounting mechanism, In:
It is equipped with the flip angle that rotation preventive mechanism locks hinge vertical ladder two-by-two in each hinge mounting mechanism, the rotation preventive mechanism includes in shaft Card wheel (9), the axial movement of the card wheel (9) can make the latch on card wheel (9) occlusion pivoted housing on card slot or on pivoted housing Exact separation;
Each vertical ladder includes left and right handrail (5) and pedal (6), pedal (6) equidistant interval and is installed in rotation on left and right On handrail (5), pedal (6) varus can be such that it closes between left and right handrail (5) and exist together one with left and right handrail (5) manually Plane, pedal (6) turning up can make it vertically on left and right handrail (5) manually, pass through between each pedal (6) of four section vertical ladders Synchronous varus and valgus can be achieved in linkage mechanism connection;
The linkage mechanism is wirerope draw-off mechanism, and the wirerope draw-off mechanism is by pushing pedal fold clamp pin (10) Pedal is driven to turn down clamp (11) compressed spring (12), drawing wirerope (14) will be translated into outside each pedal (6) hangs down with handrail (5) Directly, the variation of wirerope (14) is caused to avoid saving the overturning of vertical ladder between section, wirerope (14) is in section and section vertical ladder It is attached at handrail (5) rotation by intermediate wiring (13);
The most higher level pedal (6) of upper section vertical ladder (1) is fixedly mounted on left and right handrail (5) in varus shape and becomes fixed plate, should It is respectively equipped with left and right hook (7) on the inside of fixed plate, fixed plate inner hollow and storage has safety rope;
At the top of the left and right handrail (5) of upper section vertical ladder (1) and left and right handrail (5) bottom of lower section vertical ladder (4) is equipped with idler wheel (8), the idler wheel (8) is set to handrail (5) inside by manually adjustable telescoping mechanism.
2. emergency door stairs application method, it is characterised in that: when emergency door stairs described in claim 1 are on the shelf, four section vertical ladders Overturning is overlapped into " door leaf " that can be placed in house doorframe, each pedal (6) varus closure, and each idler wheel (8) retracts handrail (5) It is interior.
3. emergency door stairs application method, it is characterised in that: emergency door stairs described in claim 1 are as Emergency Ladder in use, four Section vertical ladder is turned into linear type, and the hook (7) on the inside of upper section vertical ladder (1) most higher level's pedal (6) is hooked on building windowsill or sun On platform, each pedal (6) is turned up vertical with left and right handrail (5), and each idler wheel (8) is retracted in handrail (5).
4. emergency door stairs application method, it is characterised in that: emergency door stairs described in claim 1 are as double ladder in use, turning over Switch to one-shaped upper section vertical ladder (1), in upper section vertical ladder (2) and overturning be lower section vertical ladder (3) and lower section in one-shaped " people " font is formed between vertical ladder (4), each pedal (6) is turned up vertical with left and right handrail (5), and each idler wheel (8) is retracted in handrail (5) in.
5. emergency door stairs application method, it is characterised in that: emergency door stairs described in claim 1 are as shock-absorbing area in use, turning over Turn overlapping upper section vertical ladder (1), in upper section vertical ladder (2) it is Chong Die with overturning under save shape between vertical ladder (3) and lower section vertical ladder (4) At " triangle " shape, each pedal (6) varus is closed between left and right handrail (5), and each idler wheel (8) is retracted in handrail (5).
6. emergency door stairs application method, it is characterised in that: emergency door stairs described in claim 1 are as transfer car(buggy) in use, turning over Switch in one-shaped section vertical ladder (2), in lower section vertical ladder (3) be respectively formed with upper section vertical ladder (1) and lower section vertical ladder (4) " right angle " shape, each pedal (6) varus are closed between left and right handrail (5), and each idler wheel (8) stretches out handrail (5) outside.
CN201710156911.7A 2017-03-16 2017-03-16 Emergency door stairs and application method Active CN106894750B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710156911.7A CN106894750B (en) 2017-03-16 2017-03-16 Emergency door stairs and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710156911.7A CN106894750B (en) 2017-03-16 2017-03-16 Emergency door stairs and application method

Publications (2)

Publication Number Publication Date
CN106894750A CN106894750A (en) 2017-06-27
CN106894750B true CN106894750B (en) 2019-01-15

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Application Number Title Priority Date Filing Date
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2106358C3 (en) * 1971-02-10 1980-02-07 Wilh. Frank Gmbh, 7022 Leinfelden- Echterdingen Closure for a ceiling opening lined with a feed box
CN87204049U (en) * 1987-03-21 1987-12-02 刘庆云 Folding type ladder
CN202170747U (en) * 2011-07-02 2012-03-21 河海大学 Multifunctional emergency ladder
CN203729855U (en) * 2014-02-27 2014-07-23 北京顺世衡科技发展有限公司 Vehicle-mounted externally-suspended folding ladder
CN206571414U (en) * 2017-03-16 2017-10-20 武汉轻工大学 Emergency door stairs

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