JP6935369B2 - Joinery - Google Patents

Description

The present invention relates to fittings having fire protection performance.

FIG. 11 shows an example of the lower frame of the conventional fitting window, and the lower frame 90 has a glass groove 91 and a recess 92 located below the glass groove 91 with an open outdoor side, and is made of glass. The glass 94 is received by the rubber setting block 93 arranged in the groove 91. Such conventional fitting windows do not support fire protection, and fire protection is required.

In view of the above-mentioned circumstances, an object of the present invention is to provide fittings corresponding to fire protection.

In order to achieve the above problems, the fitting according to the invention according to claim 1 includes a lower frame, glass, a glass receiving part, and a crush prevention part, and the lower frame has a glass groove and an outdoor side at a position below the glass groove. The glass receiving component is provided in the glass groove, and the crush prevention component is held in the recess and is located below the glass receiving component.

The fitting according to the invention according to claim 1 has a glass groove in the lower frame and a recess in which the outdoor side is open at a position below the glass groove, and a glass receiving component is provided in the glass groove to prevent crushing in the recess. Since the parts are held and the crush prevention parts are located under the glass receiving parts, the crush prevention parts receive the weight of the glass, so that the recesses are crushed and the lower frame is twisted to the outside in the event of a fire. Since it is possible to prevent the glass from being deformed in a proper shape, it is possible to prevent the glass from falling and ensure fire protection performance.

It is a vertical sectional view which shows 1st Embodiment of the fitting of this 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 the arrangement of the glass receiving part and the crush prevention part in the fitting. It is a vertical cross-sectional view of the lower frame part at the time of a fire. It is a vertical sectional view which shows the 2nd Embodiment of the fitting of this invention. It is an outdoor front view which shows the arrangement of the glass receiving part and the crush prevention part in the fitting. It is a vertical sectional view which shows the 3rd Embodiment of the fitting of this invention. It is an outdoor front view which shows the arrangement of the glass receiving part and the crush prevention part in the fitting. It is a vertical sectional view which shows the other embodiment of the collapse prevention part. It is a vertical cross-sectional view of the lower frame part of the conventional fitting and killing window.

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

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

In the glass groove 4 of the lower frame 1, as shown in FIGS. 3 and 3 are provided respectively. The setting block 16 is a rectangular parallelepiped block made of EPDM (ethylene propylene rubber), and receives the lower end of the glass 2 to transmit the weight of the glass 2 to the lower frame 1.
The lowering prevention member 3 is provided so that the glass 2 does not lower even if the setting block 16 melts and softens in the event of a fire, and is formed of an extruded aluminum alloy profile, as shown in FIG. It has a hollow main body portion 17 having a rectangular cross section, and a fall prevention portion 5 having an L-shaped cross section extending from the upper part of the wall on the indoor side of the main body portion 17 toward the indoor side. The upper surface of the main body 17 is close to the lower end of the glass 2, and the fall prevention portion 5 is provided along the indoor side of the receiving portion 10b of the backup material 11. The setting block 16 and the lowering prevention member 3 are adhered to the bottom wall 19 of the glass groove 4 with double-sided tape.

As shown in FIG. 1, the lower frame 1 has a recess 18 whose outdoor side is open at a position below the glass groove 4. The bottom wall 19 of the glass groove 4 is provided with a drain hole 20 at a position inside about 100 mm from both the left and right ends.
A crush prevention component 21 is held in the recess 18, and the crush prevention component 21 is provided over the entire length of the lower frame 1 in the longitudinal direction, and is located below the setting block 16 and the lowering prevention member 3. The crush prevention component 21 is formed of an extruded 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 on the outdoor side of the recess 18 over the upper wall (bottom wall of the glass groove) 19 and the lower wall 25 of the recess 18. The inner wall 23 is in contact with the outdoor side of the upright wall 26 of the recess 18. The side wall 24 is provided with a drainage hole 27 at a position deviated from the drainage hole 20 of the bottom wall 19 of the glass groove 4 in the left-right direction, for example, at a position about 50 mm inside from both the left and right ends, and the outer wall 22 is provided with a drainage hole 27. Notches 28 for drainage are provided at the lower portions of both ends in the longitudinal direction. Therefore, as shown by the arrow 29 in FIG. 1, the rainwater that has entered the glass groove 4 has the drainage hole 20 of the bottom wall 19 of the glass groove 4 and the drainage hole 27 and the outer wall of the side wall 24 of the crush prevention component 21. It is drained outdoors through the notch 28 of 22. In the crush prevention component 21, the upper end of the outer wall 22 is locked to the hanging piece 30 formed at the outdoor end of the upper wall (bottom wall of the glass groove) 19 of the recess 18, and the left and right parts are as shown in FIG. By being sandwiched between the vertical frames 8 and 8 of the above from both sides, it is held so as not to move in the recess 18.

FIG. 5 shows the state of one part of the lower frame at the time of fire. When a fire breaks out, as shown in FIG. Press 3. The lowering prevention member 3 tries to fall by being pushed by the expanded heated foam material 14, but the falling prevention member 3 falls down when the falling prevention portion 5 is locked inside the upper wall 31 of the lower frame 1. Can be regulated. Therefore, even in the event of a fire, the state in which the glass 2 is prevented from falling is maintained by the lowering prevention member 3, and it is possible to prevent the glass 2 from lowering and opening a through hole between the upper end of the glass 2 and the upper frame 7. In FIG. 5, the heated foam material 15 on the indoor side in the glass groove 4 is omitted in order to make it easier to see the state of the lowering prevention member 3.
Further, since this fitting has a recess 18 whose outdoor side is open at a position below the glass groove 4 of the lower frame 1, and the standing wall 26 of the recess 18 is located on the indoor side from directly below the glass 2, in the event of a fire. When the strength of the lower frame 1 is reduced due to heating, the recess 18 is crushed by the weight of the glass 2 and the lower frame 1 is deformed in a shape that is twisted to the outside of the room. There is a risk that the through hole will open on the frame 7 side, but the crush prevention component 21 is provided in the recess 18, and the crush prevention component 21 bears the weight of the glass 2 to cause such deformation of the lower frame 1. It can be prevented, and it is possible to prevent the glass 2 from being lowered to form a through hole.

As described above, in the present fitting, the lowering prevention member 3 is provided in the glass groove 4 of the lower frame 1, and the upper surface of the lowering prevention member 3 is in contact with or close to the lower end of the glass 2, and the lower frame. By having the fall prevention portion 5 that regulates the fall of the fall prevention member 3 on one or both of the fall prevention member 1 or the lowering prevention member 3, the lower frame 1 is deformed in the event of a fire or is pushed by the foamed heated foam material 14. However, the fall prevention member 3 can be restricted from falling, and the through hole can be prevented from opening.
The lower frame 1 or the lowering prevention member 3 is in contact with or engaged with the other party (in the embodiment, the falling prevention portion 5 of the lowering prevention member 3 is engaged with the lower frame 1), so that the lower frame 1 or the lowering prevention member 3 is lowered. The fall of the prevention member 3 can be reliably prevented.

This fitting has a glass groove 4 in the lower frame 1 and a recess 18 having an open outdoor side at a position below the glass groove 4, and a glass receiving component (setting block 16 and a lowering prevention member 3) is provided in the glass groove 4. The crush prevention component 21 is provided in the recess 18, and the crush prevention component 21 is located below the glass receiving parts 16 and 3, so that the crush prevention component 21 receives the weight of the glass 2. Therefore, it is possible to prevent the recess 18 from being crushed and the lower frame 1 from being deformed in a shape that twists to the outside in the event of a fire, so that the glass 2 can be prevented from falling and the fire protection performance can be ensured.
Further, since the fitting has a drain hole 20 that leads to the recess 18 in the bottom wall 19 of the glass groove 4, rainwater that has entered the glass groove 4 can be drained to the outside.
Since the crush prevention component 21 has an outer wall 22 provided over the upper wall (bottom wall of the glass groove) 19 and the lower wall 25 of the recess 18 on the outdoor side of the recess 18, the recess 18 is deformed so as to be crushed. Can be reliably prevented.
Further, since the glass receiving part (lowering prevention member 3) of this fitting is made of metal, it is possible to prevent the glass 2 from falling in the glass groove 4 in the event of a fire.

6 and 7 show a second embodiment of the fitting of the present invention. In the fitting of the present embodiment, the lowering prevention members 3 are provided in the glass groove 4 of the lower frame at three locations, the left side, the center, and the right side, and the left and right lowering prevention members 3 are EPDM sheets 32 on the upper surface of the main body. It is used as a setting block by pasting.
Similar to the first embodiment, the fitting of the present embodiment can prevent the lowering prevention member 3 from falling, and can prevent the glass 2 from being lowered to form a through hole. Since it is not necessary to provide a separate setting block, the structure is simplified.

8 and 9 show a third embodiment of the fitting of the present invention. The lowering prevention member 3 is a square pipe shape having no fall prevention portion 5. The crush prevention component 21 is piece-shaped and is provided only directly under the lowering prevention member 3, and is fixed to the lower frame 1 with screws 33.
The fittings of the present embodiment can also prevent the lower frame 1 from being deformed in the event of a fire and prevent the glass 2 from lowering and opening the through hole. It is not necessary to form a drain hole or a notch in the crush prevention component 21.

FIG. 10 shows another embodiment of the crush prevention component 21. The collapse 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 of FIG. 10B has a U-shaped cross section in which the lower side having the outer wall 22, the inner wall 23, and the upper wall 34 is open. The crush prevention component 21 of FIG. 10 (c) has a U-shaped cross section with an outer wall 22, an inner wall 23, and a lower wall 35 having an open upper side.
These crush prevention parts 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 an H-shaped cross section has a small contact area with the lower frame 1, it can be easily inserted when it is slid into the recess 18 from the edge.

The present invention is not limited to the embodiments described above. The shape, material, mounting position, and number of glass receiving parts are arbitrary. The glass may be double glazing. The lower frame may have a glass groove and a recess, and the specific cross-sectional shape and material can be appropriately changed. The crush prevention component may be any one that can prevent the concave portion of the lower frame from being crushed, and the material and shape can be appropriately changed.

1 Lower frame 2 Glass 3 Fall prevention member (glass receiving part)
4 Glass groove 5 Fall prevention part 16 Setting block (glass receiving part)
18 Recess 21 Crush prevention parts

Claims (1)

It is provided with a lower frame, glass, a glass receiving part, and a crush prevention part. The lower frame has a glass groove and a recess with an open outdoor side at a position below the glass groove, and the glass receiving part is provided in the glass groove. The fitting is characterized in that the crush prevention part is held in the recess and is located under the glass receiving part.

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