JP3205798B2 - Evacuation device mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for an evacuation device, and more particularly, to a storage frame mounted on a hole formed in a slab such as a floor or a veranda, and a folding frame inside the storage frame. The present invention relates to an attachment structure for firmly attaching a storage frame and a ladder in an evacuation device including a ladder that is folded and stored.

[0002]

2. Description of the Related Art In general, evacuation devices of this type include floors,
A storage frame attached to a hole formed in a slab such as a veranda, upper and lower lids pivotally attached to the floor side and the ceiling side of the storage frame, respectively, and are folded in the storage frame. When it is stored and the upper and lower lids are opened,
It is known to have a ladder that extends to or near the floor below.

[0003] In the evacuation device configured as described above, the storage frame is mounted in the hole provided in the slab while supporting the upper and lower lids, the ladder, and the like, so that the storage frame has sufficient strength. Needs to be strong. For this reason, conventionally, the thickness of the side wall constituting the storage frame has been increased to make the storage frame itself robust. In addition, when the storage frame is mounted in the hole of the slab, the storage frame is mounted by using a support member or the like which engages with the lower surface of the slab or the inside of the slab and the lower portion of the storage frame (Japanese Patent Publication No. Sho 54)
23760). Furthermore, in order to mount the ladder in the storage frame, it is necessary to attach a bracket or other mounting device to the storage frame. For this reason, the mounting device is fixed to the inner surface of the storage frame with bolts and nuts. 30
959).

[0004]

However, making the side wall of the storage frame unnecessarily thick not only increases the weight of the storage frame itself, but also requires that the mounting of the slab to the hole be made firm. For this reason, the above-mentioned supporting member must be strengthened or the number of supporting portions must be increased, so that the number of parts is increased and the mounting is troublesome. Further, in order to attach the ladder attachment to the storage frame with bolts and nuts, the ladder is attached to a portion other than the engagement portion between the storage frame and the above-described support member, so that the number of parts increases and the installation work takes much time. And it took effort.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a mounting structure for an evacuation device in which a storage frame is made strong and the number of parts and the number of mounting steps can be reduced. It is assumed that.

[0006]

In order to achieve the above object, an evacuation device mounting structure according to the present invention comprises: a storage frame mounted on a hole formed in a slab such as a floor or a veranda; Upper and lower lids pivotally attached to the floor side and the ceiling side, respectively, and are folded and stored in the storage frame, and when the upper and lower lids are opened, the lower floor or in the vicinity thereof In the evacuation device having a ladder extending to the side, the reinforcing plate fixed to the side wall member on the ladder mounting side of the storage frame includes an anchor embedded in the slab on a fixed substrate fixed to the outer surface of the side wall member. while projecting pieces, fixedly fixing bolt that is protruding to the inside surface of the side wall members and through the side wall member, the inner surface of the side wall member, and a fixing portion to be fastened through the fixing bolt Mounting device having a mounting portion for the ladder And it is characterized by comprising in <br/> fixed to the reinforcing plate across the side wall members.

In the present invention, the reinforcing plate is fixed to at least a side wall member on the ladder mounting side of the storage frame.
Any form may be used as long as the anchor piece embedded in the slab is protruded from the fixed substrate and a fixing bolt penetrating the side wall member and protruding from the inner surface of the side wall member is fixed. Anchor pieces may be fixed to the fixed substrate fixed to the outer surface of the frame by welding or the like, and fixing bolts may be fixed by screw connection, but it is preferable that the fixing substrate of the reinforcing plate is cut and raised. It is preferable that the anchor piece is bent and the head of the fixing bolt that passes through the through hole formed in the fixing substrate is fixed by welding or the like. Further, the fixed substrate of the reinforcing plate may be a flat substrate, but preferably, a reinforcing fold which is engaged with the lower surface of an outwardly directed upper flange provided at the upper edge of the storage frame at the upper end of the fixed substrate. It is better to form a piece.

[0008]

According to the mounting structure of the evacuation device of the present invention configured as described above, the reinforcing plate fixed to the side wall member on the ladder mounting side of the storage frame is a fixed substrate fixed to the outer surface of the side wall member. By protruding the anchor pieces embedded in the slab, the storage frame can be reinforced, and the mounting of the storage frame to the hole of the slab can be strengthened. Further, protruding on the inner surface of the side wall member fixing bolts which are fixed to the fixed substrate through the side wall members, by entering into the fixing portion of the fixture having an attachment portion of the ladder via the fixing bolt, the reinforcing Positioning of the plate on the storage frame is facilitated, and the mounting position of the reinforcing plate and the mounting position of the ladder mounting tool can be made a common position, so that the number of parts and the number of mounting steps can be reduced. In addition, the load on the ladder can be transmitted to the skeleton in a short distance by fastening the ladder mounting fixture to the fixing bolt fixed at a position close to the anchor piece, so the external force applied to the ladder is strengthened by the reinforcing plate It can be supported on the skeleton side via.

Further, by forming a reinforcing bent piece at the upper end of the fixed substrate, which is engaged with a lower surface of an outwardly directed upper flange provided on an upper edge portion of the storage frame, external force applied to the ladder can be reduced. Can be dispersed to the side, so that a stronger reinforcing structure can be obtained.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view showing a state of use of an evacuation device having the mounting structure of the present invention, and FIG. 2 is a sectional view of the mounting structure.

The evacuation device includes a storage frame 2 attached to a hole 1a formed in a slab 1 such as a floor or a veranda, and upper and lower pivots attached to the floor side and the ceiling side of the storage frame 2, respectively. The lower lids 3, 4 and the upper and lower lids 3, 4 are connected to each other, the lower lid 4 is opened and closed in conjunction with the opening and closing of the upper lid 3, and the upper lid 3 is fixed and maintained substantially upright when opened. A plurality of horizontal rails 6b, 6b,... Are horizontally suspended and accommodated between a pair of elastic bodies 6c, 6c in which a plurality of vertical rails 6a, 6a. Frame 2
When the upper and lower lids are folded and stored and the upper and lower lids are opened, the ladder 6 extending to or near the lower floor, and the upper and lower lids 3, 4 are opened, and then the ladder 6 descends. And a slowing-down mechanism 7 for controlling the extension / descent speed of the ladder 6 and for pulling up and storing the ladder 6 constitutes a main part.

In this case, the storage frame 2 has four side wall members 2c having an outwardly directed upper flange 2a at the upper end and bent outwardly shaped L-shaped lower flanges 2b at the lower end. The upper frame member 2d has a frame-like shape and has a substantially crank-shaped cross section mounted above the upper flange 2a. Note that a mounting hole 2e for a fixing bolt 10 described later is formed in the side wall member 2c on the ladder mounting side.

A reinforcing plate 8 is fixed to the outer surface of the side wall member 2c on the ladder mounting side of the storage frame 2 configured as described above,
On the inner surface of the side wall member 2c where the reinforcing plate 8 is fixed, a mounting member 9 of the ladder 6 fixed to the reinforcing plate 8 and fastened with a nut 11 to a fixing bolt 10 penetrating the side wall member 2c is fixed. Have been.

In this case, as shown in FIGS. 2 to 4, the reinforcing plate 8 is fixed to the outer surface of the side wall member 2c of the storage frame 2 by fixing means such as spot welding.
And an anchor piece 8b cut and raised at a right angle from a substantially intermediate position of the fixed substrate 8a toward the outside, that is, toward the slab side;
Three through holes 8c for attaching fixing bolts 10 drilled in the fixed substrate 8a, and bent perpendicularly outward from the upper end of the fixed substrate 8a to engage with the lower surface of the upper flange 2a of the storage frame 2. It is composed of a bent bent piece 8d and a fixing bolt 10 fixed by welding or the like penetrating the through hole 8c, and the fixing bolt 10 is drilled in the side wall member 2c of the storage frame 2. The mounting hole 2e can penetrate through the mounting hole 2e and protrude inward of the storage frame 2. In this case, the upper two through holes 8c among the three through holes 8c are selectively used according to the mounting side of the bracket 9.

On the other hand, as shown in FIGS. 2 to 4, the attachment 9 has a fixing portion 9a fixed to the inner surface of the side wall member 2c of the storage frame 2, and a right angle from one end of the fixing portion 9a. It is composed of a pair of angled brackets 91, 91 comprising a mounting portion 9 b of the ladder 6 to be bent, and a horizontal plate 92 connected between the brackets 91, and the loosening mechanism 7 is fixed to the horizontal plate 92. ing. In this case, a vertically long slot 9c through which the fixing bolt 10 penetrates is formed in the upper part of the fixing portion 9a,
The lower end is provided with a cutout groove 9d through which the fixing bolt 10 passes. The mounting portion 9b is provided with a mounting hole 9g for pivotally supporting the end of the uppermost vertical bar 6a of the ladder 6, and an inclined support piece 9e for supporting the uppermost vertical bar 6a in contact therewith. A mounting hole 9 f for pivotally mounting the support member 12 for maintaining the inclined state of the elongated ladder 6 is formed in the raised and lower end side. In this embodiment, the bracket 91 is used.
The case where the inclined supporting piece 9e and the mounting hole 9f for pivotally mounting the supporting member 12 are provided has been described, but it is needless to say that the present invention is not limited to this form, and the angle-shaped member having the fixing portion 9a and the mounting portion 9b is provided. Any form may be used as long as it is formed by.

An L-shaped anchor member 13 is fixed to the outer surface of the other three side wall members 2c of the storage frame 2 by spot welding or the like (see FIGS. 1 and 2). A handle 14 is fixedly provided on the inner side surface of the upper lid 3, and a plastic lower lid buffer is provided on the lower edge of the lower lid 4 to prevent damage due to abrasion when the ladder 6 is moved up and down. Member 15 is attached. Further, a hoisting wire 17 is connected between the slowing mechanism 7 and a horizontal rod 16 laid between the lower vertical bars 6a.

Next, the manner of attachment between the reinforcing plate 8 and the attachment 9 will be described.

First, the fixing bolt 10 is passed through a through hole 8c formed in the fixing substrate 8a of the reinforcing plate 8, and the fixing bolt 10
Is fixed to the fixed substrate 8a by welding or the like. Next, the fixing bolt 10 penetrates through the mounting hole 2e formed in the side wall member 2c of the storage frame 2 and protrudes inside the storage frame 2, and in this state, the fixed substrate 8a is fixed to the side wall member 2c by spot welding. I do. These mounting operations are performed in advance at a factory or the like. In a factory or the like, the bracket 91 of the fixture 9 is used.
The uppermost vertical bar 6a of the folded ladder 6 is pivotally supported by the mounting portion 9b, and the loosening mechanism 7 is mounted on the horizontal plate 92 (see FIG. 5). Then, at the site, the storage frame 2 is embedded and fixed in the hole 1a of the slab 1. At this time, the upper and lower lids 3,
4 is pivotally attached to the storage frame 2. Next, the long hole 9c of the fixture 9
After the notch groove 9d is fitted into the fixing bolt 10, the fixture 9 can be fixed by fastening a nut 11 to the projecting side of the fixing bolt 10 (see FIG. 6). this
In the state, the fixing portion 9a of the fixture 9 is attached to the side wall member 2c.
And is fixed to the reinforcing plate 8. In some cases, the ladder 6 may be attached after attaching only the attachment 9.

[0020]

As described above, according to the mounting structure of the evacuation device of the present invention, the following effects can be obtained since it is configured as described above.

According to the first aspect of the present invention, the reinforcing plate fixed to the side wall member on the ladder mounting side of the storage frame includes a slab attached to the fixed substrate fixed to the outer surface of the side wall member. Since the anchor pieces buried inside are protruded, the strength of the storage frame can be improved and the attachment to the slab can be strengthened. Further, the fixing bolt to be fixed to the reinforcing plate protrudes on the inner surface of the side wall members and through the side wall members, so securing the ladder fixture via the fixing bolt, the positioning of the housing frame of the reinforcing plate In addition, since the mounting position of the reinforcing plate and the mounting position of the ladder mounting tool can be made common, the number of parts can be reduced and the mounting operation can be simplified. Furthermore, since the ladder attachment can be fixed to the fixing bolt fixed at a position close to the anchor piece, the load applied to the ladder can be transmitted to the skeleton side over a short distance, and the external force applied to the ladder can be reduced. It can be supported on the skeleton side via the reinforcing plate.

(2) According to the mounting structure of the evacuation device according to the second aspect, the reinforcement engaging with the lower surface of the outwardly directed upper flange provided on the upper edge of the storage frame at the upper end of the fixed substrate of the reinforcing plate. Since the bent piece is formed, the external force applied to the ladder can be dispersed to the storage frame and the skeleton side, so that a stronger reinforcing structure can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an evacuation device having a mounting structure according to the present invention.

FIG. 2 is a sectional view showing a mounting structure according to the present invention.

FIG. 3 is a partially exploded perspective view showing a mounting mode of a reinforcing plate and a mounting tool in the present invention.

FIG. 4 is an exploded perspective view illustrating a main part of a mounting mode of a reinforcing plate and a mounting tool according to the present invention.

FIG. 5 is a perspective view showing a mounting state of a mounting tool and a ladder according to the present invention.

FIG. 6 is a sectional view showing an example of a mounting state of the mounting tool according to the present invention.

[Explanation of symbols]

 2 Storage Frame 2a Upper Flange 2c Sidewall Member 3 Upper Lid 4 Lower Lid 6 Ladder 8 Reinforcement Plate 8a Fixed Board 8b Anchor Piece 8c Through Hole 8d Reinforced Folding Piece 9 Mounting Tool 91 Bracket 92 Horizontal Plate 9a Fixed Part 9b Fixed Part 10 Fixed Bolt 11 nut

Continuation of the front page (56) References JP-A-2-285191 (JP, A) JP-A-2-296987 (JP, A) JP-A-54-37997 (JP, U) (58) Fields studied (Int .Cl. ⁷ , DB name) A62B 5/00 E06C 7/50 E06C 9/14

Claims (2)

(57) [Claims] 1. A storage frame attached to a hole formed in a slab such as a floor or a veranda, an upper and lower lid pivotally connected to a floor surface and a ceiling surface of the storage frame, respectively, when the upper and lower lid is opened while being accommodated folded in a frame, the evacuation apparatus comprising a ladder extending to the floor or near the downstairs ladder mounting side of the wall member of the storage frame reinforcing plate is fixed to, as well as to project the anchor piece is embedded in the slab to a fixed substrate which is fixed to the outer surface of the side wall members, an inner surface of the side wall members and through the side wall member <br/> fixedly fixing bolt that is protruding, the the inner surface of the side wall member, and a fixing portion which is fastened via the fixing bolt, the fixture having an attachment portion of the ladder, across the side wall members evacuation apparatus characterized by being fixed to the reinforcing plate Mounting structure. 2. The reinforcing plate is characterized in that a reinforcing bent piece is formed at the upper end of the fixed substrate to engage with the lower surface of an outwardly directed upper flange provided at the upper edge of the storage frame. A mounting structure for the evacuation device according to claim 1.