JPS5929735Y2 - Building evacuation device - Google Patents

Description

[Detailed explanation of the invention] This invention stores evacuation equipment in holes provided in the interior floors, hallways, and balconies of mid-to-high-rise buildings.
This invention relates to a building evacuation device for evacuating to a safe location downstairs or above ground using the evacuation equipment in an emergency.

Conventionally, this type of evacuation device places a storage frame in a hole that penetrates between the floor of the upper floor of a building and the ceiling of the floor directly below it, and opens and closes the opening on the floor side of the storage frame. The upper lid is pivotally attached to the storage frame in the same way, and the lower lid is similarly pivotally attached to the storage frame so as to open and close the ceiling side opening of the storage frame, and the upper and lower lids are interlocked with each other by an interlocking mechanism for opening and closing. It is configured to open and close and normally store evacuation equipment such as ropes, rope ladders, metal folding ladders, etc.

Moreover, in this type of evacuation device, the stored evacuation equipment is placed on the lower lid, so when the lid is opened, the upper and lower lids will suddenly move due to the weight of the evacuation equipment after reaching a certain opening angle. will be opened to

As such, until the upper and lower lids reach a certain opening angle, the weight of the evacuation device is acting on the upper and lower lids in the closing direction, so that the upper and lower lids normally do not touch the storage frame in the closed position. Does not have a locking device.

Therefore, when opening the lid in an emergency, there is a risk that evacuees may fall through the opening due to the sudden opening of the upper and lower lids.
In normal times, if a child opens the lid, there is a risk of falling through the opening, and furthermore, there is a risk that the lower lid, evacuation equipment, etc. may be damaged by the impact caused by such a sudden opening.

The purpose of this invention is to prevent the lid from opening suddenly in an emergency, prevent evacuees from falling through the hole to the lower floor, and
To provide a building evacuation device which prevents a child from opening a cover during normal times, prevents children from falling, and further prevents damage to the cover, evacuation equipment, etc. due to sudden opening of the cover.

To this end, the building evacuation device of this invention is placed in a hole that penetrates between the floor of the upper floor of the building and the ceiling of the floor immediately below, and has an opening on the floor side and an opening on the ceiling side. A storage frame, an upper lid pivotally attached to the storage frame to open and close the floor side opening, a lower lid pivotally attached to the storage frame so as to open and close the ceiling side opening, and the upper and lower lids. The locking device includes an opening/closing interlocking mechanism that opens and closes in conjunction with each other and an evacuation device stored in the storage frame, and when the upper lid is opened, the locking device locks the upper lid and the frame of the storage frame. The upper lid has a length that determines the open position of the upper lid to the extent that it prevents the upper lid from entering the floor opening from between the edges and the upper lid, and the upper lid corresponds to the side that is pivoted to the storage frame. is disposed between the open end side of the storage frame and the storage frame, and when the upper lid is opened, the upper lid can be opened to the first stage opening position, which is the predetermined opening position, and the upper lid is opened. The upper lid is locked to the storage frame to prevent further opening, and the lock is released,
Its upper lid is openable in the vertical open position.

Hereinafter, preferred specific examples of the building evacuation device according to this invention will be described with reference to the drawings.

Figures 1 and 2 show a building of this invention installed in a hole 92 drilled through an interior floor slab 90 on the second floor and a ceiling panel 91 on the first floor, on the upper floor of a mid-to-high-rise building. 10 shows concrete examples of evacuation devices.

The building evacuation device 10 has a storage frame 1 fitted into a hole 92.
1, an upper lid 14 attached to the storage frame 11 via an invisible hinge 16, and a ceiling opening 13 on the first floor to open and close the floor opening 12 on the second floor. It includes a lower lid 15 pivotally connected to the storage frame 11 via a shaft 17, and an evacuation device 40 attached to the storage frame 11 so as to be stored within the storage frame 11.

The storage frame 11 is integrally formed with a locking flange 18 on the outside of its upper end, and when the storage frame 11 is inserted into the hole 92,
The locking flange 18 is engaged with the floor surface of the second floor around the hole 92, and the storage frame 11 is suspended from the floor slab 90.

Of course, when the storage frame 11 is inserted into the hole 92, it is fixed to the hole 92 by appropriate fixing means.

It goes without saying that the upper and lower lids 14.15 are interconnected by an opening/closing interlocking mechanism 20 so that the opening/closing mechanism 20 is connected to the link member 21. It is composed of 22, 23, and 24.

Furthermore, the upper lid 14 is opened in two stages, as shown in FIG. , is locked to the storage frame 11.

The locking device 30 is then released and the upper and lower lids 14,15 are fully opened as shown in FIG.

The locking device 30 is disposed between the open end side of the upper lid 14 and the storage frame 11, which corresponds to the side to which the storage frame 11 is pivoted, and includes a chain 31 as a locking member, and a chain 31 as a locking member. It consists of a metal ring 32 for fixing one end of the chain 31 to the inside of the frame wall 11a of the storage frame 11, and a hook 33 for locking the other end of the chain 31 to the back surface 14a of the upper lid 14. .

The hook 33 is fixed to the back surface 14a of the upper lid 14 by suitable means such as screws or welding.

The chain 31. That is, the locking member has its upper lid 1
4 is opened, its upper lid 14 and its storage frame 11
The upper lid 14 has a length that determines the open position of the upper lid 14 to the extent that a person cannot easily enter the floor side opening 12 from between the frame edge of the upper lid 14, that is, an engagement length. Determining the first stage lid opening position.

Therefore, evacuees who are active in an emergency will not accidentally go under the upper cover 14, so there is no risk of them falling from the floor side opening 12 to the lower floor, and even in normal times, children may play a trick on the upper cover 14. There is no risk of it falling to the lower floor even if it is opened.

In addition, under normal conditions, the evacuation equipment 40 housed in the storage frame 11 has six hollow sliding pipes 41, 42 of different diameters.
46 are sequentially fitted and connected in a telescopic manner, and a tread plate 4 is attached to the lower end of each hollow sliding pipe 41, 42...46.
7.It is made by attaching 48...52, 2
When extended and lowered telescopically from the floor to the first floor, the hollow sliding pipe 41 located at the top is moved to the frame wall 1 of the storage frame 11.
1 A support shaft 54 is attached to a bracket 53 fixed to the inside of
The evacuation device 40 is pivotally connected to the storage frame 11 through the storage frame 11, so that the evacuation device 40 can be suspended from the storage frame 11 when in use.

The hollow sliding tubes 41, 42...46 are the upper hollow sliding tubes 41, 42...45 that are adjacent to each other, and the lower hollow sliding tubes 42, 43... The hollow sliding tubes 42, 43...46 are pulled up and the hollow sliding tubes 41, 42... 46 around the support shaft 54 to a horizontal position, the upper and lower lids 1
4. Close 15 and place it on the back surface 15a of the lower lid 15,
Hollow sliding tubes 41, 42...46 inside the storage frame 11
That is, the evacuation equipment 40 is accommodated.

The evacuation device 40 is equipped with a lowering device (not shown) at the upper end of the uppermost hollow sliding pipe 41.

After the upper and lower lids 14.15 are fully opened,
After confirming the safety of the first floor, the ratchet mechanism (not shown) is released and activated, and the descending speed of the hollow sliding tubes 42, 43, 46, which are telescopically extended and lowered, is controlled. At the same time, the lower hollow sliding tubes 42, 43, . It is constructed so that it can be hoisted up with a wire rope (not shown).

Other components included in this evacuation device 10, such as a device for fixing the upper lid 14 in the vertical open position, are not shown.

Moreover, it goes without saying that the evacuation device 10 can replace the evacuation equipment 40 with other evacuation equipment, such as an ordinary rope, a rope ladder, a metal folding ladder, etc.

3 to 5 show other specific examples 60, 70, and 80 of the evacuation device according to this invention, which are modified locking devices in the evacuation device 10 shown in FIGS. 1 and 2,
In these specific examples 60, 70, and 80, each component used is the same as that of the evacuation device 10, and the same reference numerals are used to omit the explanation.

A locking device 61 used in the evacuation device 60 shown in FIG. 3 includes, as a locking member, a rod 62 formed with a slide elongated hole 63 having an eye hole portion 64 at its lower end.

The rod 62 has an upper end pivotally connected to a support shaft 65 attached to the back surface 14a of the upper lid 14, and has an elongated slide hole 63.
is slidably fitted onto a protruding shaft 66 with a locking head protruding from the inner surface of the frame wall 11a of the storage frame 11.

Of course, the locking portion of the protruding shaft 66 is removed from the eye hole portion 64 of the slide elongated hole 63.

The locking device 71 used in the evacuation device 70 shown in FIG. 4 is a further modification of the locking device 61 of the evacuation device 60 shown in FIG. It was replaced with Roa 2.

Thereby, the protruding shaft 66 with a locking head is fitted into or removed from the slide elongated hole 63 from the opening lower part 2.

Locking device 8 used in evacuation device 80 shown in FIG.
1 includes a collapsible rod 82 as a locking member.

The rod 82 consists of a storage frame side rod member 83 and a lid side rod member 84 which are foldably connected to each other by a hinge, and the storage frame side rod member 83 has its base attached to the storage frame 1.
A support shaft 85 protrudingly formed on the inner surface of the frame wall 11a of No. 1
The lid-side rod member 84 has an engaging opening 8 at its tip.
6 is formed, and its engagement opening 86 is connected to the back surface 14 of the upper lid 14.
It meshes with a support shaft 87 attached to a.

Further, the rod 82 is provided with a locking plate 88 for preventing rotation at the hinge connecting portion between the storage frame side rod member 83 and the lid side rod member 84.

According to the present invention configured as described above, the upper cover is opened in two stages, so sudden opening of the cover in an emergency is prevented, and evacuees are prevented from falling through the hole to the lower floor. be done.

Also, since children are prevented from opening the lid during normal times, accidents involving children from falling are prevented.

Furthermore, there is an advantage that damage to the lid, evacuation equipment, etc. due to such sudden opening of the lid can be prevented.

[Brief explanation of the drawing]

Figure 1 is a vertical sectional view of a specific example of the building evacuation system according to this invention with the locking device in operation, and Figure 2 is a partially cutaway vertical cross-sectional view of the specific example of Figure 1 in use. Front view, 3rd
, 4 and 5 are enlarged sectional views of essential parts showing other aspects of the locking device used in the specific example shown in FIGS. 1 and 2. 10.60, 70.80... Building evacuation equipment,
11...Storage frame, 14...Upper lid, 1
5... Lower lid, 20... Opening/closing interlocking mechanism, 30, 61.71.81... Locking device, 31
...Chain, 32 ...Metal ring, 3
3...Hook, 40...Evacuation equipment, 4
1.42...46...Hollow sliding tube, 4
7.48...52...Treadboard.

Claims (1)

[Scope of Claim for Utility Model Registration] A storage frame that is arranged in a hole penetrating between the floor of the upper floor of a building and the ceiling of the floor immediately below, and that has an opening on the floor side and an opening on the ceiling side. , an upper lid pivotally attached to the storage frame for opening and closing the floor side opening; a lower lid pivotally attached to the storage frame for opening and closing the ceiling side opening; and the lower lid and the upper lid are mutually connected. an opening/closing interlocking mechanism that opens and closes in conjunction with the storage frame; an evacuation device stored in the storage frame; and a locking device disposed between the storage frame and the upper lid for locking the upper lid. In the building evacuation device, the locking device prevents a person from entering the floor opening between the upper lid and the frame edge of the storage frame and falling to the lower floor when the upper lid is opened. a locking member having a length that determines the opening device of the upper lid to a degree that prevents the upper lid from opening, and is disposed between the open end side of the upper lid corresponding to the side that is pivoted to the storage frame and the storage frame. , when the upper lid is opened, the upper lid can be opened to a first stage opening position that is a predetermined opening position, the upper lid is locked to the storage frame, and the upper lid is unlocked. , a building evacuation device characterized in that its upper cover can be opened to a vertically open position.