JPH07241348A - Ladder for emergency - Google Patents

Abstract

PURPOSE:To realize safe escape to an evacuation opening by housing an emergency ladder on the wall surface at the time of non-use, taking off a ladder main body from an engage- stopping metal fitting at the time of emergency. CONSTITUTION:In the case of evacuating from the upper part to the lower part, an opening/ closing lid 26 is opened by holding the handle 27 of a hatch 5, and when pulling is carried out by holding the grip portion 19 of the engage-stopping release rope 21 of an emergency ladder 1, a ladder main body 13 is moved upward, and an engage-stopping state between an engage-stopping metal fitting 17 and a bar member 15 is released, and the main body 13 is turned by means of a spring 18 and falls into an inclined state. Hereupon, by releasing the pulling state of the rope 21, the lower portion of the main body 13 butts against a lower part floor surface 4A in the inclined state, so by placing a foot on a fitting member 11 through an evacuation opening, descending is conducted. Next, in the case of evacuating from the lower part to the upper part, pulling is conducted by holding the grip portion 30 of the cord 31 of the lower portion opening/closing mechanism 32 of the hatch 5, then the opening/closing lid 26 is turned and opened by the turning movement of a pair of opening bars 29 with a pivot-support pin 25 as a fulcrum. Engage-stopping with the engage-stopping metal fitting 17 is released by pushing up upward by holding the ladder main body 13, and fixation at an inclined state is carried out by turning the main body 13 by means of the spring 18, and escape is realized through the evacuation opening 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency ladder formed on a floor of a veranda or the like, which is used when the escape hatch is to be vertically escaped in an emergency.

[0002]

2. Description of the Related Art Conventionally, when an emergency escape from an evacuation hatch occurs in the vertical direction, an emergency step or a rope ladder formed on the wall surface near the evacuation hatch is used.

[0003]

When evacuating vertically from an evacuation hatch using a conventional emergency step or rope ladder, it is difficult to climb the emergency step or rope ladder,
It had the drawback of being dangerous for women and children.

In view of the above-mentioned conventional drawbacks, the present invention has been made.
In the event of an emergency, women and children can easily and safely climb up and down using the evacuation hatch to escape, and it can be placed on the wall when not in use to avoid obstruction or near the evacuation exit. It is an object of the present invention to provide an emergency ladder that can be used as a clothesline using a hanger etc. without being placed in the way.

The above and other objects and novel characteristics of the present invention will become more fully apparent when the following description is read in view of the accompanying drawings. However, the drawings are for explanation only and do not limit the scope of the present invention.

[0006]

In order to achieve the above object, the present invention is rotatably attached to a wall surface at a lower position in the vicinity of an evacuation opening for escape in an emergency formed on a floor surface of a veranda or the like. And a ladder that is rotatably attached to the tip of the attachment member and that can be positioned on the wall surface during storage and that can be positioned in a predetermined inclined state so as to escape from the evacuation exit in an emergency. Body and
A holding metal fitting for holding the stored state of the ladder main body, an urging spring for urging the ladder main body to be always in an inclined state, and the ladder main body for releasing the locked state from the locking metal fitting. An emergency ladder is constituted by a lock release rope locked at a portion near the evacuation exit that can be pulled upward.

[0007]

In the emergency ladder constructed as described above, the ladder main body is locked to the locking metal fitting when not in use and is stored in the wall surface. In an emergency, the ladder main body is locked from the lower floor by the locking metal fitting. Either remove it or pull the lock release rope from the upper floor to pull the ladder body upward and remove it from the locking metal fitting, the ladder body is biased by the biasing force of the biasing spring, and you can escape from the evacuation exit It becomes a tilted state.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIG. 1 to FIG. 7, 1 is a case where an emergency escape from a hatch 5 provided on a floor surface 4 of a veranda 3 of a building 2 such as a condominium in an up-down direction. The emergency ladder 1 according to the present invention is used for a mounting bracket 9 fixed to a wall surface 7 of the evacuation hatch 5 near the evacuation opening 6 by a plurality of anchor bolts 8 or the like. A mounting member 11 also serving as a step plate rotatably mounted by a pivot pin 10;
A ladder main body 13 having an upper end portion rotatably and upwardly movably attached to a tip end portion of the attachment member 11 and abutting against the lower floor surface 4A in an inclined state during use, and the ladder body 13. A stopper 14 for preventing the main body 13 and the mounting member 11 from rotating more than a predetermined angle.
And a U-shaped locking metal fitting 17 fixed to the wall surface 7 that locks with the bar member 15 near the lower part of the ladder body 13 that holds the ladder body 13 in a stored state by a plurality of anchor bolts 16 or the like. And an urging spring 18 having one end located on the ladder body 13 for urging the ladder body 13 so that it is always in use and the other end located on the mounting member 11.
It is attached to the upper part of the ladder main body 13 that moves the ladder main body 13 upward from the upper floor surface 4 so as to release the locked state of the ladder main body 13 with the locking metal fittings 17, and the grip portion 19
The front end portion having a lock release rope 21 supported by a support fitting 20 attached to the peripheral portion of the evacuation opening 6.

The evacuation hatch 5 has an evacuation opening 6 formed in a square hole shape on the floor surface 4 near the wall surface 7 of the veranda 3 and having a flange portion 22 protruding upward, and one side of the evacuation opening 6. An angled mounting fixture 24 fixed to the upper surface of a plurality of anchor bolts 23 and the like, and the mounting fixture 2
An opening / closing lid 26 for opening and closing the evacuation opening 6 rotatably attached by a pivot pin 25 of 4 and a handle for opening / closing the opening / closing lid 26 formed at the open end of the opening / closing lid 26. 27 and a pair of arc-shaped open bars 29 fixed to the back surface of the opening / closing lid 26 by a plurality of anchor bolts 28 without interfering with the opening / closing of the opening / closing lid 26 near both sides of the evacuation opening 6. , 29, ropes 31 and 3 such as ropes, chains, wires, etc. that can be pulled from the lower floor surface 4A that has grips 30 and 30 at the ends, respectively attached to the ends of the pair of open bars 29 and 29.
1 and the lower opening / closing mechanism 32.

In the above structure, when evacuating from the upper part to the lower part, the opening / closing lid 26 is opened by holding the handle 27 of the opening / closing lid 26 of the evacuation hatch 5, and as shown in FIG.
By grasping and pulling the grip portion 19 of the lock release rope 21, the ladder main body 13 moves upward, and the lock fitting 17
And the bar member 15 of the ladder main body 13 is released, and the ladder main body 13 is rotated by the urging force of the urging spring 18 to be in an inclined state.

In this state, the pulling state of the unlocking rope 21 is released, so that the ladder main body 13 is in an inclined state and the lower portion abuts on the lower floor surface 4A. Therefore, grasp the periphery of the evacuation opening 6 and place your feet on the mounting member 11 through the evacuation opening 6,
The bar member 15 of the ladder main body 13 is sequentially supported to support the legs and the user descends.

Next, when evacuating from the lower part to the upper part, pulling from the lower floor surface 4A by holding the grip portions 30, 30 of the strings 31, 31 of the lower opening / closing mechanism 32 of the evacuation hatch 5 as shown in FIG. As a result, the opening / closing lid 26 causes the opening bar 29
By the rotation of 29, the pivot pin 25 is rotated to be opened.

After that, the ladder body 13 of the emergency ladder 1 is held and pushed upward to release the locked state with the locking metal fitting 17, and the ladder body 13 is biased by the biasing spring 18.
Rotate and fix in a tilted state. In this state, the ladder body 13 rises and escapes to the upper part through the evacuation opening 6.

[0015]

Different Embodiments of the Present Invention Next, different embodiments of the present invention shown in FIGS. 8 to 19 will be described. In the description of these different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be designated by the same reference numerals and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 8 to 11 is mainly different from the first embodiment of the present invention in that the upper end of the ladder main body 13 is attached to the frame 33 near the evacuation opening 6. Mounting bracket 3 fixed with multiple anchor bolts 34
5 is rotatably attached to the 5 so as to cover the evacuation opening 6 with the pivot pin 36, and when not in use, the ladder main body 13 is positioned on the skeleton 33 near the evacuation opening 6 and the ladder main body 13 is pushed by a pressing force.
The lower end portion of the lower end can be brought into contact with the lower floor surface 4A. One end is attached to a portion near the center of the ladder body 13, the other end is attached to the skeleton 33, and the wire 37 is attached to one end. A biasing spring 39 as the mechanism 38,
A guide member 40 attached to the body 33 for slidably supporting the wire 37 of the biasing spring 39;
When the ladder main body 13 attached to the wire 37 is rotated so that it can be used, it passes through the guide member 40, and when the lower end of the ladder main body 13 contacts the lower floor surface 4A, the guide member 40 And a locking tool 42 as a storage blocking mechanism 41 for locking the wire 37 from returning and a lower floor surface 4A attached to a portion near the lower end of the ladder body 13 to rotate the ladder body 13 downward. By attaching the lock release rope 21 having the grip portion 19 for moving the emergency ladder 1A configured as described above, the evacuation hatch 5 of the evacuation hatch 5 can be used when evacuating from the upper part to the lower part. By opening the opening / closing lid 26, placing a foot on the bar member 15 of the ladder main body 13 and applying weight, the ladder main body 13 rotates against the urging force of the urging spring 39, and the lower end portion is attached to the lower floor surface 4A. Abut, It is possible to get off to all.

When the lower end of the ladder main body 13 comes into contact with the lower floor surface 4A, the locking metal fitting 42 is locked with the guide member 40, and the biasing force of the biasing spring 39 is not applied to the ladder main body 13 so that it is stored. There is no returning. Further, by pulling from the lower floor surface 4A with the grip portion 19 of the lock release rope 21, the ladder body 13 can be rotated, and the lower end portion can be moved to the lower floor surface 4A.
Can be brought into contact with.

Since the ladder main body 13 is attached to the frame 33 which is the ceiling surface of the veranda 3 during storage, the bar member 15 of the ladder main body 13 is attached to the hanger 43.
It can also be used as a clothesline.

The third embodiment of the present invention shown in FIGS. 12 to 14 is mainly different from the second embodiment of the present invention in that the storage preventing mechanism 41 is always downward at the lower end of the ladder body 13. The locking pin 45 urged by the projecting spring 44 and the locking portion 46 formed on the lower floor surface 4 </ b> A that locks with the locking pin 45 are configured so that the emergency pin configured as described above is formed. Even with the ladder 1B for use, the same operational effects as those of the second embodiment of the present invention can be obtained.

The fourth embodiment of the present invention shown in FIGS. 15 and 16 is mainly different from the second embodiment of the present invention in that the urging wire 37 for urging the ladder main body 13 to be always stored. Even in the emergency ladder 1C configured as described above, the same operational effect as that of the second embodiment of the present invention can be obtained in that the biasing mechanism 38A using the weight 47 is used at the lower end of the emergency ladder 1C.

The fifth embodiment of the present invention shown in FIGS. 17 to 19 is mainly different from the second embodiment of the present invention in the storage blocking mechanism 41A. One end pivotally supported by a support pin 48 so as to rotate slightly more than 180 degrees, one end rotatably attached to the skeleton 33 by a mounting member 49, and the other end rotatably attached by a mounting member 50. Support bar 51,5
It is formed by 2. Even in the case of the emergency ladder 1D using the storage blocking mechanism 41A thus formed, the same operational effect as that of the second embodiment of the present invention can be obtained. Although the evacuation hatch 5 that opens and closes the opening / closing lid 26 from the lower floor surface 4A has been described in each of the embodiments of the present invention, the present invention is not limited to this, and the opening / closing lid is lifted up the emergency ladder. An evacuation hatch that pushes up 26 may be used.

[0022]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) A mounting member that is rotatably mounted on a wall surface at a lower position near an evacuation exit, which is formed on a floor surface of a veranda or the like, for escaping in an emergency, and a tip end portion of the mounting member. A ladder main body that is mounted so that it can be positioned on the wall surface during storage, and can be positioned in a predetermined inclined state so that it can escape from the evacuation opening in an emergency, and a holding metal fitting that holds the storage state of this ladder main body When,
An urging spring for urging the ladder main body to always be in an inclined state, and a portion near the evacuation opening capable of pulling the ladder main body upward so as to release the locked state from the locking metal fitting. Since the lock release rope is locked to the ladder main body, the ladder main body can be positioned in an inclined state with respect to the evacuation opening in an emergency. Therefore, even women and children can safely and comfortably climb up and down and escape vertically.

(2) According to the above (1), it is possible to prevent the fact that it is located on the wall surface in a stored state when it is not used, and it is possible to prevent it from becoming an obstacle and reducing the usable space such as a veranda.

(3) According to the above (1), anyone can easily put the ladder main body into a state where it can be used from the lower floor surface or the upper floor surface in an emergency. Therefore, it can be reliably used.

(4) According to the above (1), since the structure is simple, it can be manufactured at low cost for comparison.
It is inexpensive and easy to install.

(5) Claims 2 and 3 are (1) to (4) above.
The same effect can be obtained, and the ladder body can be used as a clothesline using a hanger.

[Brief description of drawings]

FIG. 1 is a partially cutaway explanatory view showing a first embodiment of the present invention.

FIG. 2 is a side view showing a stored state of the first embodiment of the present invention.

FIG. 3 is a front view showing a stored state of the first embodiment of the present invention.

FIG. 4 is a plan view showing a state in which the opening / closing lid of the first embodiment of the present invention is released.

FIG. 5 is a vertical cross-sectional view of the first embodiment of the present invention.

FIG. 6 is an explanatory view showing a state in which the ladder body of the first embodiment of the present invention can be used.

FIG. 7 is an explanatory diagram of a usage state of the first embodiment of the present invention.

8 to 11 are explanatory views showing a second embodiment of the present invention.

12 to 14 are explanatory views showing a third embodiment of the present invention.

15 and 16 are explanatory views showing a fourth embodiment of the present invention.

17 to 19 are explanatory views showing a fifth embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B, 1C, 1D: emergency ladder, 2: building,
3: Veranda, 4: Floor,
5: Evacuation hatch, 6: Evacuation gate,
7: wall surface, 8: anchor bolt,
9: mounting bracket, 10: pivot pin,
11: mounting member, 12: pivot pin,
13: ladder body, 14: stopper,
15: bar member, 16: anchor bolt,
17: locking metal fitting, 18: biasing spring,
19: grip, 20: support metal fittings, 2
1: Unlocking rope, 22: Flange part,
23: Anchor bolt, 24: Mounting bracket,
25: pivot pin, 26: open / close lid,
27: handle, 28: bolt,
29: open bar, 30: grip, 3
1: String, 32: Lower opening / closing mechanism, 33: Body, 34: Anchor bolt, 35: Mounting bracket, 36: Pivot pin, 37: Wire, 38, 38A: Energizing mechanism, 39: Energizing spring, 40: Guide member, 41, 41
A: storage prevention mechanism, 42: locking tool,
43: Hanger, 44: Spring, 4
5: Locking pin, 46: Locking part, 4
7: Weight, 48: Pivot pin, 49: Mounting bracket, 50: Mounting bracket, 51: Support bar, 52: Support bar.

Claims (3)

[Claims] 1. A mounting member rotatably mounted on a wall surface at a lower position near an evacuation exit formed on a floor surface of a veranda or the like for escaping in an emergency, and rotatable at a tip portion of the mounting member. A ladder main body that can be positioned on the wall surface during storage and that can be positioned in a predetermined inclined state so as to be able to escape from the evacuation opening in an emergency, and a holding metal fitting for holding the storage state of the ladder main body. An urging spring for urging the ladder main body so as to always be in an inclined state, and a biasing spring close to the evacuation opening capable of pulling the ladder main body upward so as to release the locked state from the locking metal fitting. An emergency ladder, characterized in that it comprises an unlocking rope locked to a part. 2. A ladder main body having a lower end abutting against a lower floor surface in an inclined state in which an upper end portion is rotatably attached to a body near an evacuation exit formed on a floor surface of a veranda or the like for escape in an emergency. And an urging mechanism that allows the ladder main body to be always positioned on the body near the evacuation exit and allows the lower end of the ladder main body to abut on the lower floor surface by pressing force, and the lower end of the ladder main body An emergency ladder comprising: a hanging string for rotating the ladder body attached to the part of the lower part from a lower floor surface. 3. An evacuation opening formed on the floor of a veranda or the like in the vicinity of the evacuation exit for escaping in an emergency. A ladder main body whose lower end contacts the lower floor surface in a tilted state, and this ladder main body is always placed in the body near the evacuation exit to be in a stored state, and the lower end of the ladder main body is pushed to the lower floor surface by pressing pressure. An urging mechanism capable of abutting, a hanging string attached to a portion near the lower end of the ladder body for rotating the ladder body downward from the lower floor surface, and the ladder body in use And a storage blocking mechanism that blocks the main body of the ladder from being stored by the biasing force of the biasing mechanism.