JP3602760B2 - Fittings with shutters - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a fitting having a shutter.
[0002]
[Prior art]
Generally, an aluminum alloy shutter door frame is provided with a shutter that can be opened and closed freely, and a stainless steel rod for locking the shutter is provided on the shutter so as to protrude above the upper edge of the shutter, and the entire shutter is provided on the upper frame of the shutter door. There is known a fitting in which a resin receiving member that receives the rod protruded when closed is attached using a metal fitting.
[0003]
In this type, the upper frame of the shutter frame is formed to have a substantially U-shaped cross section, the opening is arranged downward, the pair of side walls extend downward, and the groove surrounded by the pair of side walls is formed. The upper edge of the shutter is housed inside.
[0004]
[Problems to be solved by the invention]
In the above-described conventional configuration, when a fire occurs, the resin receiving member is not melted, and the pair of aluminum alloy side walls may be largely bent to the side by heat and deformed. When this occurs, a problem occurs that the shutter loses the support of the upper edge of the shutter and falls down, for example, outside.
[0005]
Therefore, an object of the present invention is to solve the above-described problems of the conventional technology. For example, even if a fire occurs and a pair of side walls are largely bent to the side by heat and deformed, An object of the present invention is to provide a fitting provided with a shutter, which is supported by a shutter frame and does not fall down.
[0006]
[Means for Solving the Problems]
The invention according to claim 1 is characterized in that a shutter frame is provided on the outside of the sash window, a shutter is provided on the shutter frame so as to be openable and closable, and a rod is provided on the shutter so as to protrude upward from the upper edge of the shutter. A receiving member for receiving a rod protruded when the shutter is fully closed is provided on the upper frame, and the receiving member includes a metal locking member having a locking portion with the upper frame and a resin receiving portion for receiving the rod. Wherein a metal shutter supporting member having a shutter falling prevention portion is detachably connected to the receiving member.
[0007]
According to a second aspect of the present invention, a shutter frame is provided on the outside of the sash window, a shutter is provided on the shutter frame so as to be openable and closable, and a rod is provided on the shutter so as to protrude above the upper edge of the shutter. A receiving member for receiving a rod protruded when the shutter is fully closed is provided on the upper frame, and the receiving member includes a metal locking member having a locking portion with the upper frame and a resin receiving portion for receiving the rod. A metal shutter support member having a receiving hole having a receiving hole for receiving an upper end portion of a rod protruding when the shutter is fully closed is provided detachably connected to the receiving member. It is assumed that.
[0008]
According to these inventions, when a fire occurs in the house, the metal shutter member is melted even if the resin receiving portion is not melted and the upper frame of the shutter frame is largely bent and deformed to the side by heat. Remains without. Since the shutter supporting member is formed with the shutter falling prevention part, the shutter is supported by the shutter falling prevention part, and the shutter does not fall out of the room, for example.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
[0010]
In FIG. 1, this fitting comprises a sash frame (rain door frame) 2 made of an aluminum alloy attached to a skeleton, and a door pocket 3 arranged adjacent to the sash frame 2. The sash frame 2 is provided with two shutters 5 which can be opened and closed freely. The upper frame 21 of the sash frame 2 is provided with a predetermined interval L and a number of receiving members 7 corresponding to the number of rain doors 5. The predetermined interval L is set substantially equal to the width W of the shutter 5. When the shutter 5 is to be detached from the sash frame 2, the shutter 5 is shifted to be positioned between the receiving members 7, and the shutter is detached at this position. Note that the predetermined interval L may be such that the predetermined interval L <the width dimension W for site adjustment. In this case, when removing the shutter 5, the position of the receiving member 7 is shifted, and then the door is removed in a steadfast manner.
[0011]
FIG. 2 is a longitudinal sectional view of the fitting, and FIG. 3 is a transverse sectional view of the fitting. In FIG. 2, the sash frame 2 has an upper frame 21 and a lower frame 22, and the sash frame 2 has a pair of left and right vertical frames 23 and 24 as shown in FIG. It is structured in a framework. The upper frame 21 and the lower frame 22 are extruded aluminum members, respectively. As shown in FIG. 2, the lower frame 22 has a lower guide portion 22A having a substantially U-shaped cross section with its opening facing upward. The frame 21 has an upper guide portion 21A having a substantially U-shaped cross section with its opening directed downward. A rail member 27 protrudes from the bottom of the lower guide portion 22A, and a door wheel 28 provided on the lower edge of the louver shutter 5 is guided to the rail member 27. The upper edge 5A of the shutter 5 is housed in the upper guide 21A of the upper frame 21.
[0012]
The upper guide portion 21A has a substantially U-shaped cross section as described above, is disposed with its opening downward, and has a pair of side wall portions 21a and 21b. Holes 29 are formed in the respective inner surfaces of the pair of side wall portions 21a and 21b, and mohairs 30 that contact the shutter 5 are provided in each of the holes 29.
[0013]
In this embodiment, as shown in FIG. 4, the receiving member 7 is attached to the top of the upper guide 21A.
[0014]
The receiving member 7 includes a resin receiving portion 32 and a metal locking member 35 including a metal plate 33 and a metal screw 34. The receiving member 7 is formed by screwing a metal screw 34 to the metal plate 33 with the resin receiving portion 32 and the metal plate 33 sandwiching the rib 21c of the upper guide portion 21A. It is attached to the top of the guide 21A.
[0015]
FIG. 5 shows a main part of the present embodiment.
[0016]
In this embodiment, as shown in FIG. 5A, a metal shutter support member 41 is detachably connected to the receiving member 7. As shown in FIG. 5B, the shutter support member 41 is assembled, and as described above, the rib 21c (FIG. 4) of the upper guide portion 21A is sandwiched between the receiving portion 32 made of resin and the metal plate 33. By screwing the metal screw 34 to the metal plate 33, the metal screw 34 is attached to the top of the upper guide 21A together with the receiving member 7. The shutter support member 41 is formed by processing a stainless steel plate. A shutter edge fall prevention portion 43 integrally bent is formed on a side edge 41a located on the outdoor side at the time of connection. The operation part 43a at the time of connection extends to the indoor side and is integrally formed with the part 43. 41b is a receiving hole at the tip 52 of the rod 51 described later.
[0017]
Referring to FIG. 1, a rod 51 for locking the shutter is provided on the upper edge 5A of the shutter 5 on the side of the door pocket 3. The rod 51 is supported by a rod holder 52 as shown in FIG. 6a, and the rod holder 52 is locked by a rib 53 on the upper edge 5A of the shutter 5 shown by an imaginary line as shown in FIG. 6b. ing.
[0018]
An operating portion 54 is integrally provided at the lower end of the rod 51. When the operating portion 54 is grasped and pushed up, the tip 51a of the rod 51 is moved from the upper edge 5A of the shutter 5 as shown in FIGS. 7A and 7B. Also project upward.
[0019]
In this case, the spring 55 bridged between the rod 51 and the rod holder 52 is displaced from the position shown in FIG. 6A to the position shown in FIG. 7A.
[0020]
When the two shutters 5 are fully closed and the operating portion 54 is operated to cause the tip 51a of the rod 51 to protrude above the upper edge 5A of the shutter 5, as shown in FIGS. Then, the tip 51a is received by the above-described resin receiving portion 32 of the receiving member 7, and thereafter, the shutter 5 is locked and its opening / closing is restricted.
[0021]
When the tip 51a of the rod 51 projects above the upper edge 5A of the shutter 5 as shown in FIG. 8, the tip 51a of the rod 51 has a rectangular receiving hole 41b ( 5), which also regulates the opening and closing of the shutter 5 thereafter.
[0022]
In this embodiment, when a fire occurs in the house to which this fitting is attached, as shown in FIG. 8, the resin receiving portion 32 is not melted, and a pair of side wall portions of the upper frame 21 made of aluminum alloy is used. As indicated by the dotted line, there is a possibility that the side wall 21a, which is located particularly on the outside of the room, may be greatly bent to the side and deformed by the heat of the fire, as indicated by the dotted line.
[0023]
When this situation occurs, there arises a problem that the shutter 5 loses the support of the upper edge 5A of the shutter and falls down, for example, outside.
[0024]
In the present embodiment, even if such a situation occurs, the rain shutter support member 41 made of stainless steel remains without melting, and the rain shutter support member 41 is integrally formed with the shutter fall prevention part 43. The shutter 5 is supported by the shutter falling prevention part 43, and therefore, the shutter 5 does not fall outside. The margin between the upper edge of the shutter 5 and the lower edge of the fall prevention part 43 may be any size, but it is desirable that the margin is, for example, 3 mm or more.
[0025]
In the present embodiment, a rain shutter support member 41 made of stainless steel is detachably connected to the receiving member 7. Therefore, the shutter support member 41 can be attached to the receiving member 7 as needed.
[0026]
FIG. 9 shows a fitting having three shutters 5.
[0027]
In this case, a shutter support member 41 is connected to the receiving members 7 corresponding to the shutters 5 on both sides, and the shutter supporting member 41 is not connected to the receiving member 7 corresponding to the central shutter 5. Even if the above situation occurs due to a fire, since the central shutter 5 is supported by the side edges of the shutters 5 on both sides (for example, FIG. 3), it is not necessary to consider the fall of the central shutter 5. Because.
[0028]
As described above, since the shutter supporting member 41 and the receiving member 7 are configured to be detachable, the shutter supporting member 41 corresponding to the central shutter 5 can be omitted in the case shown in FIG. The receiving member 7 can also be used, so that the number of parts can be reduced and the cost can be reduced.
[0029]
As described above, the present invention has been described based on one embodiment, but it is apparent that the present invention is not limited to this.
[0030]
【The invention's effect】
According to the present invention, when a fire occurs in a house, the metal receiving door support member does not melt even if the resin receiving part is not melted and the upper frame of the shutter door frame is largely bent and deformed to the side by heat. Remains. Since the shutter supporting member is formed with the shutter falling prevention part, the shutter is supported by the shutter falling prevention part, and the shutter does not fall out of the room, for example.
[Brief description of the drawings]
FIG. 1 is a view of a fitting according to the present invention as viewed from the indoor side.
FIG. 2 is a longitudinal sectional view of a fitting.
FIG. 3 is a cross-sectional view of a fitting.
FIG. 4 is an enlarged view showing an upper frame of a shutter frame.
FIG. 5A is an exploded perspective view showing a main part of the present embodiment, and FIG.
6A is a front view of the rod, and FIG. 6B is a side view of the same.
7A is a front view of a rod, and FIG. 7B is a side view of the same.
FIG. 8 is a diagram illustrating the operation of the present embodiment.
FIG. 9 is a view corresponding to FIG. 1 showing another embodiment.
[Explanation of symbols]
2 Sash frame (shutter frame)
3 Door bag 5 Shutter 7 Receiving member 21 Upper frame 21a, 21b Side wall portion 22 Lower frame 32 Receiving portion 33 Metal plate 34 Metal screw 35 Locking member 41 Shutter support member 43 Shutter falling prevention part 51 Rod

Claims (2)

A shutter frame is provided on the outside of the sash window. A receiving member for receiving the rod protruded when closed is provided, the receiving member includes a metal locking member having a locking portion with the upper frame, and a resin receiving portion for receiving the rod, A fitting provided with a shutter, wherein a metal shutter support member having a shutter falling prevention part is detachably connected to the receiving member. A shutter frame is provided on the outside of the sash window. A receiving member for receiving the rod protruded when closed is provided, the receiving member includes a metal locking member having a locking portion with the upper frame, and a resin receiving portion for receiving the rod, The receiving member has a shutter falling prevention part, and a metal shutter supporting member having a receiving hole for receiving an upper end of the rod protruded when the shutter is fully closed is detachably connected. Fittings with sliding shutters.

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