JPH0727943Y2 - Evacuation device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a structure fixed to the outside of a building and provided with a handrail,
For example, the present invention relates to a device that is provided in a structure that constitutes a balcony, a veranda, a stall for windows, etc. and that quickly evacuates from the upper floor to the lower floor in an emergency such as a fire.

[Conventional technology]

Conventionally, as an evacuation tool for evacuating from the upper floor to the lower floor in an emergency, for example, a rope ladder, a rope, etc. are used, and these are stored in a storage case and placed in a corner of a balcony, for example.
I take it out and use it in an emergency.

Moreover, in recent years, the retractable ladder is stored in a storage case in a contracted state, the storage case is fitted into an opening formed on the floor of the balcony, and the through-hole is opened when the lid provided on the storage case is opened. There is an evacuation device that is formed so that the ladder can be advanced toward the balcony downstairs by lever operation or the like, and escaped downstairs through this through hole.

[Problems to be solved by the invention]

By the way, in the above-mentioned evacuation equipment, since it is stored in a storage case and placed on the floor of a balcony, etc., the floor area of the balcony etc. is narrowed, and the evacuation equipment is taken out and drooped downstairs. There is a problem in that the work of fixing the on-floor is complicated, and it is difficult to install it quickly in an emergency and it is delayed in dealing with it.

On the other hand, in the evacuation device as described above, since it is possible to hang the expansion ladder downstairs relatively easily by operating the lever, etc., it is possible to quickly respond to emergencies, but on the other hand, the floor area of the balcony etc. In addition to narrowing the space, the structure is complicated and its installation is not easy.

Therefore, an object of the present invention is to provide an evacuation device that can be installed without narrowing the floor area of a balcony or the like, has a simple structure, and is easy to operate.

[Means for solving problems]

The technical means of the present invention for solving such a problem is an evacuation device provided on a structure fixed to the outside of a building and provided with a handrail, and one end of which is rotatable on the structure side. A ladder connected and arranged along the lower side of the structure; a short ladder rotatably connected to the other end of the ladder at one end thereof and arranged along the side of the structure; A connecting member that rotatably connects the ladder and the short ladder and that stops rotation at a position where the ladder and the short ladder hang down, and a free side end of the short ladder connected to the ladder. A holding and elevating device for supporting the structure in a releasable and releasable manner and for gently elevating and lowering the ladder and the short ladder.

[Action]

According to this means, when trying to evacuate from the upper floor to the lower floor in an emergency, when the holding and elevating device is operated to gently lower the ladder and the short ladder, and the suspension is suspended by the connecting member, An escape path is formed by the suspended ladder and short ladder.

〔Example〕

Hereinafter, an evacuation device according to an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows an evacuation device according to the first embodiment. This is for the stand 3 for windows provided in the window opening 2 of the building 1.

In the figure, 4 is a building 1 projecting from the lower edge of the window opening 2.
Is a U-shaped support member that is fixedly installed in the building 1. Reference numeral 5 is a handrail that projects from the substantially central edge of the window opening 2 and is fixed to the building 1 and has substantially the same shape as the support member 4. Reference numeral 6 is the support member 4 and the training 5. Are pillars for supporting handrails installed at the corners of the. Also, the front side of the stand 3
Drop prevention rods 7 and 8 are provided on 3a and one side portion 3b. The rod 7 of the front side portion 3a is erected in a vertical grid pattern between the support member 4 and the handrail 5, and the rod body 8 of the one side portion 3b is laid horizontally between the building 1 and the pillar 6. To form the fixed ladder 9.

Reference numeral 10 denotes a ladder provided in the above-mentioned structure, and as shown in FIG. 2, a connecting member 13 is provided at one end 10a of the ladder on one side of the support member 4 (side edge portion B below the stand 3). It is rotatably connected via. The connecting member 13 is fixed to the support member 4 by welding, and has a cylindrical bearing 13a that rotatably supports the crossbar of the one end 10a of the ladder 10, and a rotating position where the ladder 10 is hung by being welded to the bearing 13a. Stopper piece that stops the rotation
It consists of 13b and. A short ladder 12 is rotatably connected to the other end 10b of the ladder 10 via a connecting member 14. The connecting member 14 is a cylindrical bearing 14a that is fixed to the ladder 10 by welding and rotatably supports a crossbar at one end 12a of the short ladder 12, and a short ladder that is welded to the bearing 14a and is linear with the ladder 10. It is composed of a stopper piece 14b which stops the rotation at 12 rotation positions. The ladder 10 and the short ladder 12 each have a width approximately the same as the projecting width of the support member 4. Furthermore, a ladder
10 is formed to have a length substantially the same as the width of the stand 3, and the support member 4
The short ladder 12 is formed to have a length substantially the same as the height of the support column 6 while being arranged on the outer side of the lower part 3c of the stand 3.
The other side portion 3d is formed.

Further, the other end 12b of the short ladder 12 is held by the holding / lowering device 20 on the other side of the handrail 5. As shown in FIG. 3, this holding and lowering device 20 has bearing boxes 22 and 23 attached to both ends of a base member 21, and is fixed to the other side of the handrail 5 in the base member 21 and the bearing boxes 22 and 23. Has been done. twenty four
Is a rotary shaft rotatably installed between the bearing boxes 22 and 23, and a cord 25 having an appropriate length is wound around the rotary shaft 24 with one end thereof fixed. The other end of the string 25 is attached to the other end 12b of the short ladder 12. Further, one of the bearing boxes 22 is incorporated with a friction device for slowly rotating the rotary shaft 24, for example, using the viscosity of oil. Reference numeral 26 denotes a pair of holders, which are elastically deformed and formed into a substantially C-shape so that they can be expanded.
The string 25 holds the cross bar of the other end 12b of the short ladder 12 in a wound state, and is screwed 27 to the bearing boxes 22 and 23 at the bottom thereof. Reference numeral 30 denotes a lock mechanism, which is rotatably supported on the side portion of one bearing box 22 and which pivots to the bearing box 22 in the same manner as an arm 31 that locks the held cross bar irremovably from the holder 26. And a release lever 32 which is supported so as to rotate the arm 31 to release the lock. The grip 33 of the release lever 32 extends inside the stand 3. Incidentally, 34 is a handle for winding the cord 25, and a protruding portion of the rotary shaft 24 protruding from the other bearing box 23.
It is designed to be attached to 24a. Further, 35 is a cover of the holding and lowering device 20.

Therefore, according to the evacuation device according to the first embodiment, as shown in FIGS. 1 and 3, the short ladder 12 is always held by the holder 26 while the string 25 is wound, Lock mechanism 30
Locked by. In this case, ladder 10 and short ladder 12
Since it forms a part of the stand 3, it has an appearance that is almost the same as a normal stand. Furthermore, since the ladder 10 and the short ladder 12 form a part of the stand 3, a member for the stand (here, a rod) is not necessary. Also, the ladder 10
The lower part 3c of the stall 3 can be used in the same manner as that of an ordinary stall, and the space of the lower part 3c can be fully utilized.

In an emergency such as a fire, the lock lever is unlocked by operating the release lever 32 of the lock mechanism 30 to rotate the arm 31. Next, push the short ladder 12 outward to hold the short ladder 12
You can release the holding by 26. Then, due to the weight of the ladder 10 and the short ladder 12, one side of the support member 4 (side edge portion B)
Ladder 10 rotates around and short ladder 12 also ladder
The ladder 10 and the short ladder 12 are rotated with respect to 10, and the side edge B
Droop down to the outdoor stand 3. And fixed ladder
9, Ladder 10 and short ladder 12 form an escape path downstairs. In this case, the string 25 bound to the short ladder 12 is pulled out by the weight of the ladder 10 and the short ladder 12, but the rotation shaft 24 around which the string 25 is wound gently rotates, so that the string 25 gradually moves. Will be drawn to. Therefore, since the ladder 10 and the short ladder 12 are slowly lowered, the influence on the downstairs and the like is suppressed and damage to the ladder is prevented as compared with the case where the ladder 10 rapidly rotates.

When getting off the ladder, it suffices to pass through the inside of the stand 3, but in this case, the hanging ladder 10 and the short ladder 12 are connected members 13 and 14.
Since the stopper pieces 13b, 14b stop the outward rotation of the stopper pieces 13b, 14b, the stopper pieces 13b, 14b do not swing outward and the safety is secured. Further, when pulling up the ladder 10 and the short ladder 12, the handle 34 may be attached to the protruding portion 24a of the rotary shaft 24, rotated, and the string 25 may be wound up. Then, by holding the cross bar of the short ladder 12 in the holding tool 26 and locking it by the lock mechanism 30, it is possible to hold it in the installation position.

FIG. 4 shows an evacuation device according to the second embodiment. This is similar to the evacuation device according to the first embodiment, but unlike the evacuation device, another short ladder 42 is used as a fixed ladder, and one end 42a thereof is welded and fixed to the handrail 5. The side ladder 3b of the stand 3 is formed and the short ladder 42
The ladder 40 is connected to the other end 42b of the above through a connecting member 43. Therefore, the ladder 40 rotates around the one end 40a of the ladder 40 (side edge portion B on the lower side of the stand 3).

FIG. 5 shows an evacuation device according to the third embodiment. The ladder 50 according to this embodiment has one end 50a rotatably supported on one side of the support member 4 and the other end 50b provided on the other side of the support member 4 as in the first embodiment. The holding and lowering device 51 is substantially the same as the above.
Further, lateral rods are provided at both end portions 3b, 3d of the stand 3 to form a fixed ladder.

FIG. 6 shows an evacuation device according to the fourth embodiment. This is different from the above-mentioned embodiments in that it is provided on the balcony 60 formed of concrete. In this embodiment, the ladder 62 is arranged along the lower side of the bottom wall 60a of the balcony 60 and is substantially the same as the second embodiment.
Short ladders 65 and 66 are connected to both ends of 62 via connecting members 64. Then, the end portion 65a of the one short ladder 65 is fixed to the one side wall 60b of the balcony 60, and the end portion of the other short ladder 66 is held on the other side wall 60c via the holding and lowering device 67 similar to the above. There is. Therefore, in an emergency, the holding of the other short ladder 66 may be released. In this case, the ladder 62 pivots on the lower side edge B of the balcony 60 with respect to one short ladder 65 and hangs down from the side edge B. In this embodiment, the ladder 62
Since the short ladders 65 and 66 are arranged along the outside of the balcony 60, it is not necessary to separately store these ladders on the floor of the balcony 60, for example.
Does not reduce the floor space of 60.

In addition, in each of the above embodiments, the end of the ladder is held, but the present invention is not limited to this. For example, other parts such as holding the middle part of the ladder may be held. You can change it as you like.

[Effect of device]

As described above, according to the evacuation device of the present invention, since the ladder is arranged along the lower side of the structure, it is not necessary to separately place or install it on the floor such as a balcony.
The floor can be used as a wide one without narrowing the floor area of the balcony or the like. In addition, by simply releasing the retention of the ladder, it is possible to gently hang the ladder downstairs by the holding and elevating device, which does not adversely affect people and objects downstairs and does not damage the ladder itself. Moreover, the escape route can be secured quickly and the people can evacuate. Furthermore, since the ladder is arranged under the structure to be held, the structure of the holding and elevating device is simple, and therefore, the assembling and installation can be performed easily and the cost is low. It can be manufactured and installed in.

[Brief description of drawings]

FIG. 1 is a perspective view showing the evacuation device according to the first embodiment of the present invention together with its operation, FIGS. 2 and 3 are enlarged perspective views showing the essential parts thereof, and FIG. 4 is a second view of the present invention. FIG. 5 is a perspective view showing the evacuation device according to the embodiment of the invention together with its action, FIG. 5 is a perspective view showing the evacuation device according to the third embodiment of the invention together with its action, and FIG. 6 is the fourth embodiment of the invention. It is a perspective view which shows the evacuation apparatus which concerns on an example. 1 …… Building 3 …… Outdoor base 4 …… Supporting member (structure) 5 …… Handrail (structure), 9 …… Fixed ladder 10,40,50,62 …… Ladder, 12,42,65,66… … Short ladder 20,51,67 …… Holding and lowering device 60 …… Balcony (structure)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Microfilm (JP, U ) A microfilm (JP, U) obtained by photographing the description and drawings attached to the application of Japanese Utility Model Application No. 47-61547 (Japanese Utility Model Application No. 49-36716).

Claims (1)

[Scope of utility model registration request] 1. An evacuation device provided on a structure fixed to the outside of a building and provided with handrails, wherein one end of the evacuation device is rotatably connected to the structure side and extends along the lower side of the structure. A ladder to be arranged, a short ladder having one end rotatably connected to the other end of the ladder and arranged along the lateral side of the structure, and the ladder and the short ladder rotatably connected to each other. In addition, a connecting member that stops rotation at a position where the ladder and the short ladder hang down, and a free side end of the short ladder connected to the ladder are supported so as to be held and released from the structure. In addition, an evacuation device comprising: a holding and lifting device that gently lifts and lowers the ladder and the short ladder.