JP2020122366A - Fixture - Google Patents

Abstract

To provide a fixture which can equalize the pressures in the isobaric space between a sill and a sash bottom rail to the outside pressure, especially being able to prevent rainwater from infiltrating into the indoor side.SOLUTION: A fixture in this invention has a configuration that: a sill 12 comprises an upper stage part 121 having an inner rail 124 to guide an inner sash, and a lower stage part 122 having an outer rail 123 to guide an outer sash; and in the upper stage part 121, an isobaric space R is formed above the upper stage part 121 below the bottom rail of the inner sash, a first drain hole 14A is formed to run through from the indoor side of the inner rail 124 to the outdoor side and to run through vertically, the first drain hole 14A is provided with a drainage cap 3 to cover the opening of the first drain hole 14A, and the bottom end 31a of the drainage cap 3 is positioned at a level above a top end 123a of the outer rail 123.SELECTED DRAWING: Figure 4

Description

The present invention relates to fittings.

Conventionally, in a fitting such as a sliding window, a space formed between a lower frame and a lower frame of a shoji on the indoor side of a lower frame rail (lower frame rail) as shown in, for example, Patent Document 1 is removed. A uniform pressure structure is used to keep rainwater outdoors from entering indoors by making the pressure equal to atmospheric pressure.
In such a fitting, a draining material that is in contact with or close to the lower frame rail is provided on the outdoor side of the shoji screen to prevent rainwater that hits the lower frame and rebounds from entering the space on the indoor side of the lower frame rail. ing.

JP, 2013-067979, A

However, in a fitting having a draining member provided on a conventional shoji, since the draining member is extended to the vicinity of the lower frame rail, a pressure difference between the space and the outside air is likely to occur. In other words, the space is unlikely to be at the same pressure as the outside air, the pressure in the space is lower than the outside air, and rainwater may enter the indoor side, so there is room for improvement in that respect.

Therefore, the present invention has been made in view of the above circumstances, and the space between the lower frame and the lower frame of the shoji can be made to have an atmospheric pressure equal to the atmospheric pressure, and particularly when the wind pressure is high, the rainwater to be indoors Provide a fitting that can prevent the intrusion of concrete.

In order to achieve the above object, the present invention employs the following means.
That is, the fitting according to the present invention is a fitting provided with a frame, and an external shoji provided on the outdoor side inside the frame, and a shoji having an internal shoji provided on the indoor side, The lower frame of the frame body includes an upper step portion having an inner rail for guiding the inner shoji and a lower step portion having an outer rail for guiding the outer shoji, and the upper step portion has an upper portion above the upper step portion. At this, an isobaric space is formed between the lower frame of the inner shoji and, while penetrating from the indoor side to the outdoor side of the inner rail, a water draining hole penetrating in the vertical direction is formed, and the water draining hole is formed. Is provided with a drain cap that covers the opening of the drain hole, and the lower end of the drain cap is located above the upper end of the outer rail.

According to the fitting according to the present invention, the rainwater collected on the upper step portion of the lower frame is drained downward from the drain hole. In addition, since the drainage cap is provided in the water drain hole, rainwater that collects on the lower step of the lower frame is suppressed from flowing into the isobaric space formed above the step, ensuring water tightness. You can
Further, since the lower end of the drainage cap is located above the upper end of the outer rail, the lower end of the drainage cap is not submerged in the water accumulated in the lower step portion. Therefore, the outside air that has passed through the passage in the drainage cap provided in the drainage hole is fed into the isobaric space. As a result, it is possible to make the isobaric space equal to the atmospheric pressure, and it is possible to prevent rainwater from entering the indoor side through the isobaric space.

Further, in the fitting according to the present invention, it is preferable that the lower frame of the inner shoji is provided with a draining member arranged above the upper step portion so as to be in contact with or close to the inner rail.

In this case, the draining material can prevent the rainwater splashed up on the upper step portion from entering the isobar space.

In addition, in the fitting according to the present invention, it is preferable that the water drainage hole in the lower frame is provided on a door end side of the inner shoji in a closed state.

In this case, since the water drainage hole is arranged at a position closer to the vertical frame in the lower frame, rainwater accumulated on the upper stage can be efficiently drained to the lower stage.

According to the fitting according to the present invention, the space between the lower frame and the lower frame of the shoji can be made to have the same atmospheric pressure as the atmospheric pressure, and rainwater can be prevented from entering the room especially when the wind pressure is high.

It is the front view which looked at the sliding window by one Embodiment of this invention from the indoor side. It is a longitudinal cross-sectional view of an external shoji and an internal shoji in the sliding window of FIG. It is a principal part enlarged view which shows the structure of the lower frame and internal shoji of FIG. It is a principal part enlarged view which shows the state which provided the drainage cap in the lower frame shown in FIG. It is the top view which looked at the drainage hole of a lower frame from the upper part. It is the side view which looked at the drainage cap from the longitudinal direction. It is the side view which looked at the drainage cap from the outdoor side. It is the perspective view which looked at the drainage cap from the slanting lower part on the indoor side.

Hereinafter, a fitting according to an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, a sliding window 100 (joint) according to the present embodiment is provided in an opening of a building, and has a frame 1 formed in a rectangular frame shape, and a left and right direction with respect to the frame 1. A pair of sliding doors provided with a pair of sliding doors 2 (2A, 2B) slidably provided. Here, the shoji screen located on the outdoor side is referred to as an external shoji screen 2A, and the shoji screen located on the indoor side is referred to as an internal shoji screen 2B.

In the following description, the direction that connects the outdoor side and the indoor side (the direction orthogonal to the wall portion, the direction orthogonal to the paper surface in FIG. 1) is the indoor/outdoor direction, and the direction in which the opening of the building penetrates the wall portion ( The horizontal direction connecting the left side and the right side when viewed from the direction facing the wall) is the left-right direction. In addition, each member and component forming the sliding window 100 will be described using the indoor/outdoor direction and the left/right direction in the posture, assuming that the posture is provided in the opening.

The frame 1 includes an upper frame 11 and a lower frame 12 that extend in the left-right direction, and a pair of vertical frames 13 that connect both ends of the upper frame 11 and both ends of the lower frame 12 and extend in the up-down direction. ,have. In the following description, the direction in which each of the long members such as the upper frame 11, the lower frame 12 and the pair of vertical frames 13 extends may be referred to as the length direction.
In this embodiment, the sliding window 100 is intended for an aluminum resin composite sash. The frame body 1 is fixed to the metal vertical frame 13 by a fixture such as a screw by abutting the ends of the metal upper frame 11 and the lower frame 12 against each other. The frame 1 is made of an extruded member made of aluminum.

The pair of shoji screens 2A and 2B are provided on the outdoor side and the indoor side of the frame body 1, respectively. The external shoji screen 2A and the internal shoji screen 2B are arranged so as to close the inside of the frame body 1 with the shoji screens 2A and 2B closed. Each shoji 2 has a frame body formed in the shape of a four-sided frame, and a multi-layer glass 20 housed in the frame body.

The frame body includes an upper frame 21 and a lower frame 22 that extend in the left-right direction, and a summing frame 23 and a door end that vertically connect the both ends of the upper frame 21 and the both ends of the lower frame 22 to each other. A frame 24 (each of the upper frame 21, the lower frame 22, the summing frame 23, and the doorframe 24 may be simply referred to as a "frame").

In the present embodiment, the frame is made of an extruded member made of aluminum, and the inside surface of the frame is covered with resin. Both ends of the upper frame 21 and the lower frame 22 are abutted against the summing frame 23 and the door end frame 24 to form a frame, and are fixed by fixing tools such as screws. The lower frame 22 is provided with a door roller 25 (see FIG. 2) that can travel in the left-right direction along the lower frame 12.

As shown in FIG. 2, the upper frame 11 includes an upper frame wall portion 111 extending in the left-right direction, a lower portion extending from the upper frame wall portion 111, extending in the left-right direction, and being spaced in the indoor/outdoor direction. It has a pair of rail guide walls 112A and 112B provided. The lower ends of the outer rail guide wall 112A on the outdoor side and the inner rail guide wall 112B on the outdoor side respectively guide upper ends of the outer shoji 2A and the inner shoji 2B slidably in the left-right direction.

As shown in FIGS. 2 and 3, the lower frame 12 extends in the longitudinal direction and vertically opposes the upper step portion 121 (upper step portion) and the lower step portion 122, and protrudes upward from the lower step portion 122 to cause the external sliding screen. An outer rail 123 with which the lower end (door roller 25) of 2A is slidably engaged, and an inner rail 124 with which the lower end (door roller 25) of the inner shoji 2B is slidably engaged and which projects upward from the upper step portion 121. I have it.
The upper part 121 and the lower part 122 are connected to each other by a pair of vertical connecting parts 125 and 126 on the indoor side. The vertical connecting portions 125 and 126 extend in the longitudinal direction, and the outer vertical connecting portion 125 and the inner vertical connecting portion 126 are arranged to face each other with a space therebetween. A side wall 127 that projects upward is provided at the inner end of the upper step 121. The upper end of the outer rail 123 is located lower than the upper step 121.

As shown in FIG. 4, the upper step portion 121 is formed with a first drain hole 14</b>A that vertically penetrates between the inner rail 124 and the outer rail 123. The first drainage hole 14A is provided on the door end side in the longitudinal direction of the lower frame 12 when the inner shoji 2B is closed.
Further, the inner rail 124 is formed with second drain holes 14B penetrating in the indoor and outdoor directions with a predetermined interval in the longitudinal direction.
Rainwater W on the indoor side of the inner rail 124 in the upper step portion 121 is introduced to the upper surface of the lower step portion 122 through the drain holes 14A and 14B.

In the lower step portion 122, a recessed groove portion 128 is formed between the outer rail 123 and the outer vertical connecting portion 125. The rainwater W introduced into the concave groove portion 128 through the water drain holes 14A and 14B is discharged to the outside from the drain hole 19 which penetrates the outside rail 123 indoors and outdoors. Here, the rainwater W collected in the concave groove portion 128 is basically discharged from the drain hole 19, but the rainwater W increased in the concave groove portion 128 flows out over the outer rail 123 to the outdoor side.

As shown in FIG. 5, the first drain holes 14A are formed in a rectangular shape that is long in the left-right direction in a plan view seen from above, and a plurality of first drain holes 14A are provided at predetermined intervals in the longitudinal direction of the lower frame 12 (this embodiment). 3) are formed. The drainage cap 3 that covers the opening of the first drainage hole 14A is provided in the first drainage hole 14A.

In addition, the lower frame 12 is heated and expanded during a fire to close the drain holes 14A and 14B and the drain hole 19 of the lower frame 12, and the flame holes, smoke, and heat penetrate due to the drain holes 19. A thermal expansion refractory material (not shown) is provided to prevent (distribution, propagation).

As shown in FIG. 3, a first airtight member 15A protruding toward the inner side surface of the lower frame 22 of the outer shoji 2A is provided at the outer end of the upper step portion 121. A second airtight member 15B is provided on the outer surface of the upper end of the indoor side wall portion 127 so as to project toward the indoor side surface 22a of the lower frame 22 of the inner shoji 2B. These airtight members 15A and 15B extend along the longitudinal direction of the lower frame 22.

Further, the drainage member 16 is provided on the outer frame wall 221 of the lower frame 22 in a state of being in contact with or close to the inner rail 124 above the upper step portion 121. As shown in FIG. 3, the protruding end 16a of the draining member 16 is spaced apart from the outer surface 124a of the inner rail 124 by, for example, about 0.5 mm.

The drainage cap 3 is arranged in a state of being engaged with the first drainage hole 14A. As shown in FIGS. 6 to 8, the drainage cap 3 includes a cap body 30 having a top, and an engaged portion 31 that projects downward from the cap body 30 and engages with the first drainage hole 14A. And has a vertically long shape along the longitudinal direction of the first drainage hole 14A.

The cap body 30 includes an upper wall 301 and a pair of side walls 302. The upper wall 301 is inclined so as to be obliquely upward from one side to the other side in the short side direction, and forms a back surface 301a in which one side hangs in a substantially vertical direction. The other side of the upper wall 301 of the cap body 30 is open, and as shown in FIG. 4, the opening surface 30 a faces the indoor side and contacts the outer surface 124 a of the inner rail 124, and the second water formed on the inner rail 124. It is arranged so as to accommodate the hole 14B.

The engaged portion 31 is formed in a U shape in a plane extending downward from the inside of the cap body 30, and is engaged with the first drainage hole 14A. As shown in FIG. 4, the lower end 31a of the engaged portion 31 is located above the upper end 123a of the outer rail 123 when the drain cap 3 is engaged with the first drainage hole 14A.

As shown in FIG. 1, in the double glazing 20 provided on the outer shoji 2A and the inner shoji 2B, an outer glass arranged on the outdoor side and an inner glass arranged on the indoor side are integrally provided via a spacer. ing.
Each of the frames 21 to 24 is formed with a glass holding portion that holds the end portion of the multilayer glass 20. The ends of the four sides of the double glazing 20 are fitted in the glass holding portion. At the peripheral edge of the double glazing 20, the surface on the indoor side is pressed by a ledge that is locked to the frame.

Next, each of the frames 21 to 24 will be described. Since the external shoji screen 2A and the internal shoji screen 2B have basically the same structure, the internal shoji screen 2B will be described in detail.

As shown in FIG. 2, the upper frame 21 of the inner shoji 2B opposes the outer frame wall 211 and the inner frame wall 212, which extend along the left-right direction, with a space between each other with their surface directions oriented in the vertical direction. Are arranged.

A rail groove 216, which is engaged with the outer rail guide wall 112A and opens upward, is formed on an upper portion of the upper frame 21. The rail groove 216 is formed in the extending direction (left-right direction) of the upper frame 21.

As shown in FIGS. 2 and 3, the lower frame 22 of the inner shoji 2B has an outer frame wall 221 and an inner frame wall 222 that extend along the left-right direction and are spaced apart from each other in a state in which each surface direction is directed vertically. They are arranged facing each other.
Between the outer frame wall 221 and the inner frame wall 222, a frame hollow portion S22 that is hollow and extends in the left-right direction is formed. The frame hollow portion S22 forms a space surrounded by an upper connecting wall 223 and a lower connecting wall 224 that connect the outer frame wall 221 on the outdoor side and the inner frame wall 222 on the indoor side. The outer frame wall 221, the inner frame wall 222, the upper connecting wall 223, and the lower connecting wall 224 are formed along substantially the entire length of the lower frame 22 in the left-right direction. In the frame hollow portion S22, the door roller 25 is rotatably supported on the lower surface of the upper connecting wall 223.
On the outdoor side of the upper connecting wall 223 connecting the outer frame wall 221 and the inner frame wall 222 in the frame hollow portion S22, a drain hole for draining rainwater collected on the upper connecting wall 223 to the lower frame 12 side. Are formed.

As shown in FIG. 1, the summing frame 23 of the internal shoji 2B is arranged at a substantially central portion between the pair of vertical frames 13 in a state where the external shoji 2A and the internal shoji 2B are closed. The door sill 24 is arranged close to the pair of vertical frames 13, 13 in a state in which the outer shoji 2A and the inner shoji 2B are closed. As shown in FIG. 1, an end frame of the upper frame 21 and a lower frame 22 of the summing frame 23 and the door frame 24 are fixed to each other with screws.

Next, the operation of the sliding window 100 according to this embodiment will be described in detail with reference to the drawings.
As shown in FIGS. 3 and 4, in the sliding window 100 according to the present embodiment, the rainwater W collected on the upper step portion 121 of the lower frame 12 passes through the second drain hole 14B and the first drain hole 14A. It is drained to the lower stage 122 side. In addition, since the drainage cap 3 is provided in the first drainage hole 14A, it is possible to prevent rainwater accumulated on the lower end portion 122 of the lower frame 12 from flowing into the equal pressure space R formed above the upper step portion 121. Therefore, the watertightness can be secured.

Then, as shown in FIG. 4, since the outer rail 123 is located above the upper end 123a, the lower end 31a of the drain cap 3 is not submerged in the water accumulated in the lower step portion 122. Therefore, the outside air that has passed through the passage in the drainage cap 3 provided in the first drainage hole 14A is fed into the isobaric space R via the second drainage hole 14B. Reference sign E in FIG. 4 indicates the flow of outside air at this time. This makes it possible to make the isobaric space R equal to the outside air pressure, and prevent rainwater from entering the indoor side through the isobaric space R.

Further, in the present embodiment, by providing the draining member 16 on the lower frame 22 of the inner shoji 2B, it is possible to prevent the rainwater W that has jumped up on the upper step portion 121 from entering the isobaric space R side.

Further, in the present embodiment, since the drain hole 14 is arranged at a position closer to the vertical frame 13 in the lower frame, the rainwater W collected on the upper step portion 121 can be efficiently drained to the lower step portion 122 side. ..

As described above, in the present embodiment, by making the equal pressure space R between the lower frame 12 and the lower frame 22 of the inner shoji 2B equal to the external pressure and the atmospheric pressure, rainwater to the indoor can be obtained even when the wind pressure is high. Intrusion can be prevented.

Although the embodiment of the fitting according to the present invention has been described above, the present invention is not limited to the above-described embodiment, and can be appropriately modified without departing from the spirit of the present invention.

For example, in the present embodiment, the drainage member 16 is provided in a state in contact with or close to the inner rail 124 above the upper step portion 121 of the lower frame 22 of the inner shoji 2B. It can be omitted.

The position of the water drainage hole 14 in the lower frame 12 is not limited to being provided on the door tip side of the inner shoji 2B in the closed state, and can be set as appropriate.

In addition, it is possible to appropriately replace the components in the above-described embodiments with known components without departing from the spirit of the present invention.

100 sliding window (joint)
1 frame 2 shoji 2A external shoji 2B inner shoji 3 drainage cap 11 upper frame 12 lower frame 13 vertical frame 14A, 14B drain hole 16 drainer 19 drainage hole 20 frame 21 upper frame 22 lower frame 23 summing frame 24 doors Tip frame 30 Cap body 31 Engaged portion 31a Lower end 121 Upper step 122 Lower step 123 Outer rail 123a Upper end 124 Inner rail 128 Recessed groove R Isobaric space

Claims (3)

A fitting provided with a frame body, and an external shoji provided on the outdoor side inside the frame, and a shoji having an internal shoji provided on the indoor side,
The lower frame of the frame body includes an upper step portion having an inner rail that guides the inner shoji screen, and a lower step portion having an outer rail that guides the outer shoji screen,
In the upper step portion, an equal pressure space is formed above the upper step portion with the lower frame of the inner shoji, and the water penetrates vertically from the indoor side to the outdoor side of the inner rail. A hole is formed,
The drain hole is provided with a drain cap that covers the opening of the drain hole.
The fitting is characterized in that the lower end of the drainage cap is located above the upper end of the outer rail. The fitting according to claim 1, wherein the lower frame of the inner shoji is provided with a draining member arranged above or in contact with or close to the inner rail above the upper step. The fitting according to claim 1 or 2, wherein the water drainage hole in the lower frame is provided on a door end side of the inner shoji in a closed state.

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