JP2003176673A - Draining structure for sill of sash - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a draining structure for a flat sill of a sash, which is simple in structure and excellent in drain performance. <P>SOLUTION: The sash is formed of a frame body consisting of a head, the sill, and right and left jambs, and shojis mounted in the frame body in a freely traveling manner, and the sill of the sash has an almost flat upper surface. The sill 10 has recessed slots 13, 13 on indoor and outdoor sides thereof, in which lower beds of bottom rails of the inside and outside shojis are arranged, respectively. Then, a hollow portion 103 is formed below the recessed slots 13, 13, and a drip hole 100 for guiding water infiltrating into a portion of each recessed slot 13, closed by the shoji, into the hollow portion 103 is formed in a lower surface of each recessed slot 13. Further, a first drain hole 101 for draining water guided from the drip holes 100 to the hollow portion 103, to the outside is formed in an outside sidewall surface of the hollow portion 103, and a second drain hole 102 for directly draining water entering an outward exposed portion of the outside recessed slot 13, to the outside is formed in an outside sidewall surface of the recessed slot 13. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a structure in which a shoji screen is movably accommodated in a metal frame formed by framing an upper frame, a lower frame, and left and right vertical frames, and the unevenness of a sill surface is removed as much as possible. The present invention relates to a drainage structure of a sash lower frame provided with the lower frame.

[0002]

2. Description of the Related Art Today, sashes having a flat lower frame are widely used as compared with sashes used for terrace windows. By forming the lower frame flat, there will be no obstacles for people with physical disabilities or the elderly to enter and leave the wheelchair,
Since it has the advantages that the foot does not get caught when stepped on and it does not hurt, it meets the requirements of barrier-free. In these sashes, a drainage structure is provided on the lower frame of the sash so that rainwater or the like does not enter the indoor side. This drainage structure is known in which a drain hole is provided in the sash, and a hollow portion is provided below the sash to guide rainwater to the hollow portion, and the water is discharged from the hollow portion to the outside.

[0003]

However, the conventional sash drainage structure having a flat lower frame has the following problems. Since all the rainwater and the like that enter the sash are once guided to the hollow part and then discharged outdoors, the drainage route becomes long and the drainage efficiency is poor, so there are cases where it cannot be drained sufficiently. Especially, the part of the sash exposed to the outside is exposed to a large amount of rainwater, but the rainwater flows into the other part of the sash from here, which causes the drainage efficiency to deteriorate. Due to the poor drainage efficiency, it was not possible to discharge all the rainwater outdoors, and there was a risk that rainwater would enter the indoors.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a drainage structure having a simple lower frame and excellent drainage performance.

[0005]

In order to achieve the above object, the present invention according to claim 1 stores a shoji in a frame body which is composed of an upper frame, a lower frame, and left and right vertical frames so that the shoji can run freely. In the sash lower frame in which the upper surface of the lower frame is formed to be substantially flat, the lower frame is formed with a groove in which the lower end portion of each lower frame of the indoor and outdoor shoji is arranged, and the groove of each groove. A hollow portion is formed on the lower side, and a water draining hole for guiding water, which penetrates into the portion of each recessed groove closed by each shoji, to the hollow portion is provided on the lower surface of each recessed groove. The first drainage hole for discharging the water guided to the hollow portion to the outside is provided on the outdoor side wall surface of the hollow portion, and the water that intrudes into the outdoor exposed portion of the concave groove on the outdoor side is directly discharged to the outside. A second drain hole is provided on the outdoor side wall surface of the groove.

The present invention according to claim 2 provides the invention according to claim 1.
In the present invention described, water that has entered the part closed by the shoji of each groove is discharged from the first drainage hole, water that has entered the part of the groove on the outdoor side exposed to the outdoors Is discharged from the second drainage hole.

The present invention according to claim 3 provides the invention according to claim 1.
Alternatively, in the present invention described in item 2, the second drainage hole is provided in the longitudinal direction of a portion of the concave groove on the outdoor side exposed to the outside.

The present invention according to claim 4 provides the invention according to claim 1.
In the present invention described in any one of (3) to (3), each of the recessed grooves is characterized by including a block-shaped partition member that blocks the flow of water in the longitudinal direction at the assembly position of the shoji screens.

The present invention according to claim 5 provides the invention according to claim 4.
In the present invention described, the partition member is composed of a soft material such as a soft resin, the upper surface of which constitutes a wind stop plate which is in pressure contact with the lower end of the lower frame of each shoji. ing.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. First, the frame body and the shoji of the sash will be described with reference to FIGS. 1 is a vertical sectional view of a sash to which the present invention is applied, and FIG. 2 is a horizontal sectional view of FIG.

In each of these figures, the sash is a window frame 80 mounted in an opening of a building so that a shoji 90 can freely travel. The shoji screen 90 includes an inner shoji screen 91 on the indoor side and an outer shoji screen 92 on the outdoor side, and the two shoji screens 90 are housed in the window frame body 80 in a sliding shape. A screen door 93 is housed movably on the outside side of the shoji screen 92 of the window frame 80.

Each frame member constituting the window frame body 80 is a composite frame member, and is composed of a metal frame 1 serving as a base and a resin frame 2 covering the indoor exposed portion thereof. This metal frame 1
Is a metal lower frame 11, a metal upper frame 21, and a metal vertical frame 31,
The frame 31 is formed into a rectangular frame and is fastened to each other with screws. The resin frame 2 that covers the exposed portion on the indoor side is the resin upper frame 2.
2, and the resin vertical frames 32 and 32. The resin upper frame 22 is attached to the metal upper frame 21, and the resin vertical frames 32 and 32 are attached to the metal vertical frames 31 and 31, respectively. A resin frame is not attached to the metal lower frame 11. Locking pieces are provided on the metal upper frame 21 and the metal vertical frames 31, 31, respectively, and the resin upper frame 22 and the resin vertical frame 32,
32 are engaged with them and then fixed by screws.

The metal frame 1 is usually made of an extruded aluminum material, and the resin frame 2 is made of vinyl chloride, acrylic resin or the like. In this way, by covering the exposed portion of the metal frame 1 on the indoor side with the resin frame 2, the cold feeling due to the metal is hidden, and the heat insulating effect is improved by the resin having low thermal conductivity. Further, it is possible to mix wood powder or the like into these resin materials to give the appearance of appearance as if they were made of wood. The above metal frame 1
The resin frame 2 is not attached to the outdoor portion of the.

On the other hand, the shoji 90 includes a lower frame 40, an upper frame 50,
Further, the multi-layer glass is housed in a frame body 81 which is formed by arranging the vertical frames 60, 60 into a rectangular frame. Each frame member constituting the frame body 81 is also composed of the metal frame 3 and the resin frame 4 attached so as to cover the exposed portion on the indoor side, like the window frame body 80, and the resin lower frame 42 is The metal lower frame 41, the resin upper frame 52 are on the metal upper frame 51, the resin vertical frames 62 and 62 are the metal vertical frames 61,
61, respectively. Locking pieces are provided on the metal lower frame 41, the metal upper frame 51, and the metal vertical frames 61, 61, respectively, and the resin lower frame 42, the resin upper frame 52, and the resin vertical frames 62, 62 are engaged with them. And then fixed with screws.

Further, a door roller 43 is attached to the lower end of the shoji 90, and the guide rail 15 provided on the lower frame 10 is attached.
Will guide you through the journey. Further, the outdoor side of the lower frame 40 projects downward along substantially the entire length of the shoji 90 in the longitudinal direction, and forms a protruding piece 44. When the shoji 90 is stored in the window frame 80, the lower end of the protrusion 44 is located below the shoji running portion 16 of the lower frame 10 and is arranged in the recessed groove 13 provided in the lower frame 10. . Further, the watertight material 14 is provided on the projecting piece 44 and has a function of preventing rainwater from being blown into the indoor side.

Next, the lower frame will be described with reference to FIGS. FIG. 3 is an enlarged view of the lower half of FIG. 1, and FIG. 4 is an enlarged view of the lower half of FIG. 1 with the shoji screens and screens removed.

The metal lower frame 11 is formed in a hollow shape, and the upper surface of the lower frame indoor side upper surface 18 which is formed at substantially the same height as the indoor side, and the sliding door running portion 16 for housing the inner sliding door 91 and the screen door 93. And the inclined surface 17 connecting them and the auxiliary frame 70
And a large groove in which the concave grooves 13, 13 are formed. The upper surface 18 on the indoor side of the lower frame is the shoji running portion 16
Is formed higher than. Further, the shoji running portion 16 has a guide rail 15 having a convex shape along substantially the entire length in the longitudinal direction in order to guide the running of the door roller 43 provided at the lower end of the inner shoji 91. Is approximately the same as or less than the upper surface 18 of the lower frame indoor side, and is 3 to 5 mm. Here, the lower frame indoor side upper surface 18 and the guide rail 15 for the internal shoji
The area between and is formed by an inclined surface 17. This allows
When rainwater is blown in from the outdoor side or when dew condensation water is generated on the indoor side of the inner shoji 91, the water is guided to the outdoor side without flowing into the indoor side.

Further, a large groove is formed on the outdoor side of the guide rail 15 for the inner shoji 91 of the metal lower frame 11 along substantially the entire length of the shoji running portion 16 in the longitudinal direction. The auxiliary frame 70 is arranged at a central position in the direction.
Thereby, the concave groove 13 which is a small groove in which the protrusion 44 of the inner shoji 91 is arranged and the concave groove 13 which is a small groove in which the protrusion 44 of the outer shoji 92 is arranged are formed.

The auxiliary frame 70 is hollow in its cross section,
And it is formed in a rectangular shape. Further, they have the same shape in the longitudinal direction and are provided along substantially the entire length of the shoji running portion 16 in the longitudinal direction. When the auxiliary frame 70 is attached to the metal lower frame 11, the auxiliary frame 70 is formed such that the upper surface of the shoji running part 16 of the auxiliary frame 70 is substantially flush with the upper surface of the shoji running part 16 of the metal lower frame 11. To be done. Further, the length of the auxiliary frame 70 in the indoor-outdoor direction is set so that the protrusions 44 of the inner shoji 91 and the outer shoji 92 can be housed in the recessed grooves 13, 13 formed when the auxiliary frame 70 is attached to the metal lower frame 11. It is almost half of the large groove.

The auxiliary frame 70 has a portion exposed to the outside when the external shoji 92 is closed, a portion exposed to the outdoor when the external shoji 92 is opened, and in any case. In the same manner, a screw hole communicating with the upper surface, the lower surface and the metal lower frame 11 is narrowed at both ends in the longitudinal direction of the metal lower frame. It is fixed at 11. Accordingly, when the external shoji sliding door 92 is opened and closed, the auxiliary frame 70 can be removed without removing the external shoji sliding door 92 from the window frame body 80 in the portion exposed to the outdoor side.

Further, on the lower surface of the auxiliary frame 70, projections 72, 72 are formed on the indoor side and the outdoor side, respectively, along substantially the entire length in the longitudinal direction, and the metal lower frame 11 also has substantially the entire length in the longitudinal direction. Along the groove 72 along the protrusions 72, 72
9 and 19 are formed. As a result, the metal lower frame 1
The first grooves 19 and 19 function as mounting portions for the auxiliary frame 70. Further, as described above, the metal lower frame 1 is fixed by the screws 71.
It is firmly fixed to 1.

On the upper surface of the auxiliary frame 70, an external shoji 92
A guide rail 15 having a convex shape is formed along substantially the entire length in the longitudinal direction in order to guide the travel of the door roller 43 provided at the bottom, and the height thereof is the same as that of the guide rail 15 for the internal shoji 91. It is substantially the same as or smaller than the upper surface 18 on the indoor side of the frame. As a result, together with the guide rail 15 for the inner sliding door 91, the projections in the sliding door traveling portion 16 are minimized, and the sliding door traveling portion 16 is formed substantially flat.

The concave groove 1 in which the projecting piece 44 of the inner shoji 91 is arranged.
3, and a concave portion is formed on the outdoor side wall surface of the concave groove 13 in which the projecting piece 44 of the shoji screen 92 is arranged, along substantially the entire length in the longitudinal direction. Engage the stop. Further, the tip of the watertight material 14 is brought into contact with the protrusion 44 of the shoji 90. Further, the indoor lower ends of the protrusions 44 of the inner shoji 91 and the outer shoji 92 are also formed in a shape similar to the outdoor side wall surface of the recessed groove 13 along substantially the entire length in the longitudinal direction thereof, and the watertight material 14 is retained. And the end of the watertight material 14 is brought into contact with the indoor side wall surface of the concave groove 13. The watertight material 14 prevents rainwater from entering the indoor side. The watertight material 14 provided on the concave groove 13 side is provided only in a portion that abuts the inner shoji 91 and the outer shoji 92 when the shoji 90 is closed.

Next, the drainage structure of the lower frame will be described with reference to FIGS. 2 and 5 to 7. 5 is an enlarged view of the lower half of the cross section taken along the line AA in FIG. 2, FIG. 6 is an enlarged view of the lower half of the cross section taken along the line BB of FIG. 2, and FIG. 7 shows the structure of the drain hole of the lower frame. FIG.

In the metal lower frame 11, a hollow portion 103 is formed below the recessed grooves 13, 13 along substantially the entire length in the longitudinal direction.
On the lower surface of the hollow portion 103, an inclined surface with the outdoor side facing down is formed, so that the water discharged from the recessed groove 13 on the indoor side easily flows to the outdoor side.

The lower surface of the concave groove 13 located below the internal shoji screen 91 when the internal shoji screen 91 is closed, and the concave groove 13 located below the external shoji screen 92 when the external shoji screen 92 is closed. A drain hole 100 is provided on the lower surface. The water drainage hole 100 is formed in a rectangular shape and has a groove 13
Are provided at several places in the longitudinal direction of the. Through this water drain hole 100, rainwater or the like that has entered the groove 13 beyond the watertight material is guided to the hollow portion 103. Also, the internal shoji 91 and the external shoji 92
The water drainage hole 100 is also provided on the lower surface of the recessed groove 13 that is exposed to the indoor side in the closed state. The water drainage hole 100 is also formed in a rectangular shape, but the number of the holes is smaller than that of the portion located below the inner shoji screen 91 and the outer shoji screen 92. That is, the drainage efficiency is improved by arranging a large number of the water drain holes 100 in a portion where rainwater or the like directly enters. A drainage guide 104 is attached to each water drain hole 100. The drainage guide 104 is provided with a well-known check valve (not shown) to prevent water from flowing back from the hollow portion 103 to the concave groove 13. In addition, in the state where the inner shoji 91 and the outer shoji 92 are closed, the drain hole 100 is not provided in the portion of the concave groove 13 exposed to the outdoors.
The position of the drain hole 100 in the longitudinal direction is not limited to that shown in the figure, and may be formed at any position in the longitudinal direction of the portion of the groove 13 closed by the inner shoji 91 and the outer shoji 92.

A first drain hole 101 for discharging the water guided to the hollow portion 103 by the water drain hole 100 to the outside is provided on the outdoor side wall surface of the hollow portion 103. First drainage hole 1
01 is formed in a rectangular shape, and is provided at several places in the longitudinal direction of the outdoor side wall surface of the hollow portion 103. A drainage guide 104 in which a well-known check valve (not shown) is provided in the first drainage hole 101
Is attached to prevent water from flowing back into the hollow portion 103 from outside. Drain hole 100 and first drain hole 1
By providing 01, water that has entered the concave grooves 13, 13 in the portion closed by the inner shoji 91 and the outer shoji 92 is discharged to the outside through the first drainage channel A. In addition,
The position of the first drainage hole 101 in the longitudinal direction is not limited to that shown in the drawing, and may be formed at any position in the longitudinal direction of the outdoor side wall surface of the hollow portion 103.

In the closed state of the inner shoji screen 91 and the outer shoji screen 92, a second drain hole 102 is provided on the outdoor side wall surface of the concave groove 13 exposed to the outside. The second drain holes 102 are formed in a rectangular shape, and are provided at several places in the longitudinal direction of the outdoor side wall surface of the concave groove 13. Rainwater or the like that has entered the portion of the groove 13 exposed to the outside is directly discharged to the outside through the second drainage channel B through the second drainage hole 102. In the closed state of the shoji screen 92, the second drain hole 102 is not provided on the outdoor side wall surface of the groove 13 located below the shoji screen 92. In addition, the second drain hole 10
The longitudinal position of 2 is not limited to that shown in the figure, and
Also, in the closed state of the shoji screen 92, it can be formed at any position in the longitudinal direction of the concave groove 13 exposed to the outdoors.

Next, the partition member 107 will be described with reference to FIGS. 2, 5 and 7. The partition member 10 in FIG.
7 is shown in a state of being fitted into the concave groove 13 on the outdoor side.

At the summing position of the shoji 90, a block-shaped partition member 107 is provided in the concave grooves 13, 13. The partition member 107 is made of a soft material such as soft resin,
In the vertical cross-sectional shape, the protrusion 44, the lower frame 10, and the watertight material 14 are formed so as to substantially cover the area surrounded by the watertight materials 14, 14.
In addition, the partition member 107 has a length in the longitudinal direction that is about one-third to about half of the summing portion of the shoji screen 90. The partition member 107 is fitted into the recessed grooves 13, 13 at the assembly position of the shoji 90 and then fixed to the lower frame 10 by screws or fitting. With this partition member 107, the shoji 9
At the summing position of 0, the flow of water in the longitudinal direction of the concave grooves 13 and 13 is blocked. The upper surface of the partition member 107 is pressed against the projecting piece 44. A large number of creases are provided on a portion of the upper surface that is pressed against the protrusion 44, and the windshield 1
07a. As a result, the watertightness of the concave groove 13 in the longitudinal direction is enhanced.

[0031]

As described above, according to the present invention, since the drainage path of the portion of the flat lower frame exposed to the outside is simple and short,
Rainwater etc. that infiltrate the sash will be immediately discharged to the outside.
As a result, a flat lower frame having excellent drainage performance is provided, and it is possible to prevent rainwater and the like from entering the indoor space.

Further, since each groove is partitioned by the partitioning member at the summing position of the shoji, rainwater and the like that have entered into each groove do not flow along the longitudinal direction of the lower frame.
Since it is quickly discharged to the outside, there is an effect that the drainage performance can be further enhanced.

Furthermore, the upper surface of the partition member, which comes into pressure contact with the lower end of the lower frame of the shoji, is a wind stop plate made of a soft material such as soft resin, so that the watertightness of the shoji shoji portion is improved, and There is an effect that it is possible to prevent rainwater and the like from entering the area.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a sash provided with a lower frame of the present invention.

FIG. 2 is a cross-sectional view of a sash provided with a lower frame of the present invention.

FIG. 3 is an enlarged view of the lower half of FIG.

FIG. 4 is an enlarged view of the lower half of FIG. 1 in a state where the shoji screens and screens of the sash provided with the lower frame of the present invention are removed.

5 is an enlarged view of the lower half of the cross section taken along the line AA in FIG.

FIG. 6 is an enlarged view of the lower half of a cross section taken along the line BB in FIG.

FIG. 7 is a perspective view showing a structure of a drainage hole of a lower frame of the present invention.

[Explanation of symbols]

1 metal frame 2 resin frame 3 metal frames 4 resin frame 10 bottom frame 11 metal bottom frame 13 groove 14 Watertight material 15 Guide rail 16 Shoji running section 17 Inclined surface 18 Lower frame indoor side upper surface 19 groove 20 upper frame 21 metal top frame 22 Resin upper frame 30 vertical frames 31 metal vertical frame 32 resin vertical frame 40 lower frame 41 metal bottom frame 42 Resin lower frame 43 door car 44 Projection piece 50 Upper frame 51 Metal top frame 52 Resin top frame 60 vertical frame 61 metal vertical frame 62 resin vertical frame 70 Auxiliary frame 71 screws 72 Projection 80 window frame 81 frame 90 Shoji 91 Internal shoji 92 Gajiko 93 screen door 100 drainage hole 101 First drainage hole 102 Second drainage hole 103 hollow 104 Drainage guide 107 Partition member 107a wind stop A first drainage channel B Second drainage channel

Claims (5)

[Claims] 1. A sash lower frame having an upper frame, a lower frame, and left and right vertical frames as a frame, in which a shoji is movably mounted, and an upper surface of the lower frame is formed to be substantially flat. Forms a recessed groove in which the lower end of each lower frame of the indoor and outdoor shoji is placed indoors and outdoors, and forms a hollow part below each recessed groove, which is closed by each shoji of each recessed groove. A drain hole for guiding water entering the hollow portion to the hollow portion is provided on the lower surface of each groove, and a first drain hole for discharging the water led from the drain hole to the hollow portion to the outside is provided. Provided on the outdoor side wall surface of the hollow portion,
A drainage structure for a sash lower frame, characterized in that a second drainage hole for directly discharging the water intruding into the outdoor exposed portion of the outdoor groove is provided on the outdoor side wall surface of the outdoor groove. 2. The water that has entered the portion of each groove that is closed by the shoji is discharged from the first drain hole, and the water that has entered the portion of the outdoor groove that is exposed outdoors is The drainage structure of the sash lower frame according to claim 1, wherein the drainage structure is discharged from the second drainage hole. 3. The drainage structure for a sash lower frame according to claim 1, wherein the second drainage hole is provided in a longitudinal direction of a portion of the outdoor-side concave groove exposed to the outdoors. 4. The sash bottom according to claim 1, wherein each of the concave grooves is provided with a block-shaped partition member that blocks a longitudinal flow of water at a position where the shoji screens are assembled. Frame drainage structure. 5. The partition member is made of a soft material such as soft resin, and the upper surface of the partition member constitutes a wind stop plate which is in pressure contact with the lower end portion of the lower frame of each shoji. Four
Drainage structure of the sash lower frame described.