JP2020012232A - Fitting - Google Patents

Abstract

To provide a fitting which can regulate the falling of a descending prevention member, and can prevent the opening of a through hole.SOLUTION: A fitting comprises: a panel 2; a panel support member 1 made up of a lower frame 1 or a lower framework; and a descending prevention member 3. The panel support member 1 has a panel attachment groove 4, and the descending prevention member 3 is provided in the panel attachment groove 4, and an upper face thereof comes in contact with or closes to a lower end of the panel 2, and has a falling prevention part 5 which regulates the falling of the descending prevention member 3 on one or both of the panel support member 1 or the descending prevention member 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a fitting having fire protection performance.

  A descent prevention member for preventing descent of the panel is provided in the panel mounting groove of the lower frame of the fitting window and the lower frame of the shoji. Since the conventional fall prevention member was simply a square pipe, the fall prevention member may fall down due to deformation of the lower frame or lower frame at the time of fire or being pushed by the foamed heated foam material. Accordingly, there is a risk that the panel may fall and the through hole may be opened.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a fitting that can restrict a falling prevention member from falling down and prevent a through hole from being opened.

  To achieve the above object, a fitting according to the first aspect of the present invention includes a panel, a panel supporting member including a lower frame or a lower frame, and a falling prevention member, and the panel supporting member has a panel mounting groove. The lowering prevention member is provided in the panel mounting groove, and the upper surface is in contact with or close to the lower end of the panel, and one or both of the panel support member and the lowering prevention member regulates the falling of the lowering prevention member. It is characterized in that it has a falling prevention part.

  In the fitting according to the first aspect of the present invention, the lowering prevention member is provided in the panel mounting groove of the panel supporting member composed of the lower frame or the lower frame, and the upper surface of the lowering prevention member is in contact with or near the lower end of the panel. In addition, the panel support member or one or both of the panel support members has a fall prevention portion that regulates the fall of the fall prevention member, so that the panel support member is deformed in the event of a fire or is pushed by a foamed heated foam material. Even so, it is possible to restrict the falling of the falling prevention member and prevent the through hole from being opened.

It is a longitudinal section showing a 1st embodiment of a fitting of the present invention. It is a cross-sectional view of the fitting. It is an outdoor front view of the fitting. It is an outdoor front view which shows arrangement | positioning of the fall prevention member in the same fitting, a setting block, and a crush prevention component. It is a longitudinal section of a lower frame part at the time of fire. It is a longitudinal section showing a 2nd embodiment of the fitting of the present invention. It is an outdoor front view which shows arrangement | positioning of the fall prevention member and a crush prevention component in the same fitting. It is a longitudinal section showing the comparative example of the fittings of the present invention. It is an outdoor front view which shows arrangement | positioning of the fall prevention member in the same fitting, a setting block, and a crush prevention component. It is a longitudinal section showing other embodiments of a crush prevention part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 to 4 show a first embodiment of a fitting according to the present invention, and show an example in which the present invention is applied to a fire-resistant window. This fitting includes a frame 6 attached to the opening of the skeleton, and a glass panel 2 housed in the frame 6.
As shown in FIGS. 1 to 3, the frame 6 is constituted by an upper frame 7, a lower frame 1, and left and right vertical frames 8, 8 made of an extruded aluminum alloy. The frame 6 has a panel mounting groove 4 whose inner peripheral side is open. The glass panel 2 has its peripheral edge swallowed by the panel mounting groove 4 of the frame 6 and is fixed with a sealing material 9.

  As shown in FIG. 1, the lower frame 1 has a panel mounting groove 4 whose inner peripheral side is open, and a receiving portion 10 a of a sealing material 9 is provided at an opening edge of the panel mounting groove 4 on the outside and indoor sides. A receiving portion 10b of the backup material 11 is formed. On the indoor side surface of the outdoor wall 12 of the panel mounting groove 4 and on the outdoor side surface of the indoor wall 13 of the panel mounting groove 4, heated foam materials 14 and 15 that expand and expand due to the heat of fire are provided on the lower frame 1. It is provided along the longitudinal direction. A heating foam material 36 is also provided in the panel mounting groove 4 of the upper frame 7 and the vertical frame 8 along the longitudinal direction.

As shown in FIGS. 1 and 4, two setting blocks 16 are provided in the panel mounting groove 4 of the lower frame 1 at the right and left sides. Members 3 and 3 are provided respectively. The setting block 16 is a rectangular parallelepiped block formed of EPDM (ethylene propylene rubber), and receives the lower end of the glass panel 2 and transmits the weight of the glass panel 2 to the lower frame 1.
The lowering prevention member 3 is provided so that the glass panel 2 does not lower even if the setting block 16 is melted and softened in a fire, and is formed of an extruded aluminum alloy material, as shown in FIG. The main body 17 includes a hollow main body 17 having a rectangular cross section, and an L-shaped cross-section preventing portion 5 extending from the upper part of the indoor wall of the main body 17 toward the indoor side. The main body 17 has an upper surface close to the lower end of the glass panel 2, and the fall prevention portion 5 is provided along the indoor side of the receiving portion 10 b of the backup material 11. The setting block 16 and the lowering prevention member 3 are bonded to the bottom wall 19 of the panel mounting groove 4 with double-sided tape.

As shown in FIG. 1, the lower frame 1 has a concave portion 18 whose outdoor side is open at a position below the panel mounting groove 4. A drain hole 20 is provided in the bottom wall 19 of the panel mounting groove 4 at a position inward of the left and right ends by about 100 mm.
A crush prevention component 21 is held in the recess 18, and the crush prevention component 21 is provided along the entire length of the lower frame 1 in the longitudinal direction, and is located below the setting block 16 and the fall prevention member 3. The crush prevention component 21 is formed of an extruded shape member of an aluminum alloy, and has a vertical outer wall 22 and an inner wall 23 and a horizontal wall 24 connecting them. The outer wall 22 is provided outside the concave portion 18 over the upper wall (bottom wall of the panel mounting groove) 19 and the lower wall 25 of the concave portion 18. The inner wall 23 is in contact with the outdoor side of the upright wall 26 of the recess 18. A drain hole 27 is provided in the lateral wall 24 at a position shifted in the left-right direction from the drain hole 20 of the bottom wall 19 of the panel mounting groove 4, for example, at a position about 50 mm inward from both left and right ends. A notch 28 for drainage is provided at the lower part of both ends in the longitudinal direction. Therefore, the rainwater that has entered the panel mounting groove 4 is drained by the drain hole 20 in the bottom wall 19 of the panel mounting groove 4 and the drain hole 27 in the lateral wall 24 of the crush prevention component 21, as indicated by an arrow 29 in FIG. Then, the water is drained outside through the notch 28 of the outer wall 22. As shown in FIG. 3, the crush prevention component 21 locks the upper end of the outer wall 22 with the hanging piece 30 formed at the outdoor end of the upper wall (bottom wall of the panel mounting groove) 19 of the recess 18. By being sandwiched between the left and right vertical frames 8, 8 from both sides, it is held so as not to move in the concave portion 18.

FIG. 5 shows the state of the lower frame 1 during a fire. When a fire occurs, as shown in the figure, the heated foam material 14 attached to the indoor side of the outdoor wall 12 of the panel mounting groove 4 foams due to the heat of the fire and expands toward the indoor side to prevent falling. Press the member 3. The falling prevention member 3 tends to fall by being pushed by the expanded heated foam material 14. However, the falling prevention member 5 is locked inside the upper wall 31 of the lower frame 1, so that the falling prevention member 3 falls. Can be regulated. Therefore, even in the event of a fire, the state in which the glass panel 2 is prevented from lowering by the lowering prevention member 3 is maintained, and it is possible to prevent the glass panel 2 from lowering and opening the through hole between the upper end of the glass panel 2 and the upper frame 7. . In FIG. 5, the heating foam 15 inside the panel mounting groove 4 on the indoor side is omitted in order to make the state of the lowering prevention member 3 easy to see.
In addition, the present fitting has a concave portion 18 whose outdoor side is open below the panel mounting groove 4 of the lower frame 1, and the upright wall 26 of the concave portion 18 is located on the indoor side from directly below the glass panel 2. When the lower frame 1 is heated to reduce the strength by being heated, the concave portion 18 is crushed by the weight of the glass panel 2 as it is and the lower frame 1 is deformed so as to bow to the outdoor side. There is a possibility that the through-hole may open on the upper frame 7 side, but the crush prevention component 21 is provided in the concave portion 18, and the crush prevention component 21 bears the weight of the glass panel 2. The deformation of the frame 1 can be prevented, and it is possible to prevent the glass panel 2 from lowering and forming a through hole.

As described above, in this fitting, the fall prevention member 3 is provided in the panel mounting groove 4 of the panel support member (lower frame 1), and the top surface of the fall prevention member 3 contacts the lower end of the glass panel 2 or The panel support member 1 is deformed or foamed in the event of a fire by having the fall prevention portion 5 that regulates the fall of the fall prevention member 3 on one or both of the panel support member 1 and the fall prevention member 3 that are close to each other. Even if it is pushed by the heating foam 14, the falling-down preventing member 3 can be prevented from falling down, and the opening of the through hole can be prevented.
The panel support member 1 or the fall prevention member 3 is in contact with or engaged with the other party (in the embodiment, the fall prevention portion 5 of the fall prevention member 3 is engaged with the lower frame 1). The fall prevention member 3 can be reliably prevented from falling down.

This fitting has a panel mounting groove 4 in the lower frame 1 and a concave portion 18 whose outdoor side is open below the panel mounting groove 4, and a panel receiving component (a setting block 16 and a falling prevention member) is provided in the panel mounting groove 4. 3) is provided, and the crush prevention component 21 is held in the recess 18, and the crush prevention component 21 is located below the panel receiving components 16 and 3. , It is possible to prevent the lower frame 1 from being deformed in such a manner that the lower frame 1 bows to the outside of the room when a fire occurs, so that the glass panel 2 can be prevented from falling and the fire protection performance can be secured. .
In addition, in this fitting, since the bottom wall 19 of the panel mounting groove 4 is provided with the drain hole 20 communicating with the concave portion 18, the rainwater that has entered the panel mounting groove 4 can be drained outdoors.
Since the crush prevention component 21 has the outer wall 22 provided over the upper wall (bottom wall of the panel mounting groove) 19 and the lower wall 25 on the outside of the recess 18, the crush portion 18 is deformed so that the recess 18 is crushed. Can be reliably prevented.
Further, in this fitting, since the panel receiving component (fall prevention member 3) is made of metal, it is possible to prevent the glass panel 2 from being lowered in the panel mounting groove 4 at the time of fire.

6 and 7 show a fitting according to a second embodiment of the present invention. In the fitting of the present embodiment, the lowering prevention members 3 are provided at three places on the left side, the center, and the right side in the panel mounting groove 4 of the lower frame. By attaching 32, it is used as a setting block.
As in the first embodiment, the fitting of the present embodiment can prevent the falling prevention member 3 from falling down, and can prevent the glass panel 2 from lowering and forming a through hole. Since there is no need to provide a separate setting block, the structure is simplified.

8 and 9 show comparative examples of the fittings of the present invention. The falling prevention member 3 is a square pipe having no falling prevention portion 5. The crush prevention component 21 is provided in a piece shape only directly below the lowering prevention member 3, and is fixed to the lower frame 1 with a screw 33.
The fittings of this comparative example can also prevent deformation of the lower frame 1 at the time of fire and prevent the glass panel 2 from lowering and opening the through hole. There is no need to form a drainage hole or notch in the crush prevention component 21.

FIG. 10 shows another embodiment of the crush prevention component 21. The crush prevention component 21 of FIG. 10A has a hollow shape having an outer wall 22, an inner wall 23, an upper wall 34, and a lower wall 35. The crush prevention component 21 in FIG. 10B has a U-shaped cross-section having an outer wall 22, an inner wall 23, and an upper wall 34, the lower side of which is open. The crush prevention component 21 in FIG. 10C has a U-shaped cross-section having an outer wall 22, an inner wall 23, and a lower wall 35, the upper side of which is open.
These crush prevention components 21 have an effect of preventing deformation of the lower frame 1 as in the case of the H-shaped cross section shown in FIG. 1 and the like. Since the crush prevention component 21 having the H-shaped cross section has a small contact area with the lower frame 1, the crush prevention component 21 can be easily inserted into the concave portion 18 by sliding from the fore edge.

  The invention is not limited to the embodiments described above. The cross-sectional shape and material of the panel support member are arbitrary. The fall prevention portion may be provided so as to abut or engage with the fall prevention member from the panel support member. Further, both the panel support member and the fall prevention member may be provided with a fall prevention portion. The mounting position and the number of the lowering prevention members are not particularly limited. The crush prevention component can be omitted. The panel support member may be a lower frame. The material and structure of the panel are not limited. The present invention can be applied to not only a fitting window but also any fitting for mounting a panel in a panel mounting groove.

1 Lower frame (panel support member)
2 Glass panel (panel)
3 Fall prevention member 4 Panel mounting groove 5 Fall prevention part

Claims (1)

  A panel, a panel supporting member comprising a lower frame or a lower frame, and a descent preventing member, wherein the panel supporting member has a panel mounting groove, and the descent preventing member is provided in the panel mounting groove; A fitting that is in contact with or in proximity to the lower end of the panel, and has a fall prevention portion that regulates the fall of the fall prevention member on one or both of the panel support member and the fall prevention member.

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