JP4771515B2 - Lower frame flat sash - Google Patents

Description

  The present invention relates to a lower frame flat sash in which a sliding shoji and a screen door are housed in a frame made of a resin material, and more particularly to a lower frame flat sash having an increased rail strength for guiding the screen door.

Conventionally, in a sash in which a sliding shoji and screen door are housed in a frame, the frame and shoji are made of a resin material, and the height of the rail of the lower frame is aligned to form a sill surface substantially flat. The lower frame flat sash is known. Examples of the lower frame flat sash include those described in Patent Document 1.
JP-A-10-115152

  In the lower frame flat sash, the lower frame is formed in a hollow shape, and on the upper surface, there are a screen door rail that guides the screen door in order from the outside of the room, an outer rail that guides the shoji, an inner rail that guides the shoji, and the indoor side portion. Each is formed in a protruding shape. Between each rail, it forms in a concave shape, the drooping piece formed in the lower part of a shoji is stored, and a shoji is guided to a longitudinal direction.

  Since the external shoji and the internal shoji are formed with a large width in the expected direction, the outer rail and the inner rail of the lower frame are formed in a hollow shape with a thickness in the indoor / outdoor direction. On the other hand, since the screen door has a small expected width, the screen door rail is formed as a plate-like protrusion having no hollow portion. The lower frame flat sash has a possibility that the screen door rail, which is a plate-like projecting portion made of a resin material, has a low strength and may be damaged because the wheelchair may travel in the indoor and outdoor directions on the sill surface.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lower frame flat sash that has high strength and does not interfere with a wheelchair traveling indoors and outdoors.

In order to solve the above-mentioned problems, a lower frame flat sash according to the present invention comprises a synthetic resin upper and lower frame and left and right vertical frames in a rectangular shape to form a frame, and the frame includes an internal and external shoji and a screen door. In the lower frame flat sash that fits freely,
The lower frame includes a protruding screen door rail portion, an outer rail portion, and an inner rail portion in order from the outdoor side on the upper surface, and a recess is formed between each rail portion, and the screen door rail portion extends from the screen door rail portion. And a screen door rail cover provided with a screen door rail that is made of metal and guides the screen door on the upper surface, over the recess between the outer rail portion and the outer rail portion,
The lower frame has a hollow portion at a lower portion, and an outer rail reinforcement member made of metal is provided below the outer rail portion of the hollow portion, and the screen door rail cover is a recess between the screen door rail portion and the outer rail portion. The outer rail reinforcement member is screwed or screwed through the bottom surface.

  Further, in the lower frame flat sash according to the present invention, the outer rail reinforcing member is a rail support portion that supports a lower portion of the outer rail portion, and an outer extension that is disposed at a lower portion of the recess between the screen door rail portion and the outer rail portion. The screen door rail cover is configured to be screwed or screwed to the outer extension portion of the outer rail reinforcement member through the bottom surface of the recess of the lower frame.

  According to the lower frame flat sash according to the present invention, the screen door rail cover including the screen door rail made of metal and guiding the screen door over the concave portion between the screen door rail portion and the outer rail portion is provided. As a result, the screen door rail can be reinforced with a metal material, so that the strength is high and there is no problem even if the wheelchair travels indoors and outdoors.

  Further, according to the lower frame flat sash according to the present invention, the outer rail reinforcing material made of metal is provided below the outer rail portion of the hollow portion, and the outer rail reinforcing material and the screen door rail cover are provided between the screen door rail portion and the outer rail portion. The screen door rail cover can be firmly fixed to the lower frame by being screwed or screwed in the recess.

  Furthermore, according to the lower frame flat sash according to the present invention, the screen door rail cover is screwed or screwed to the outer extension portion of the outer rail reinforcing material through the bottom surface of the lower frame recess, thereby It can be easily and firmly fixed to the outer rail reinforcement.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of a lower frame flat sash according to the present embodiment, and FIG. 2 is a transverse sectional view thereof. FIG. 3 is an enlarged view of the vicinity of the lower frame 10 and the lower eyelid 40 in FIG. The basic structure of the sash in this embodiment is that the outer shoji 4 and the inner shoji 5 are accommodated in the frame 1 attached to the building opening, and the screen door 6 is accommodated outside the outdoor door. is there. The frame 1 is made of a resin material, and is configured by a lower frame 10, an upper frame 20, and left and right vertical frames 30, 30 being framed in a square shape. The outer shoji 4 and the inner shoji 5 are composed of a lower rod 40, an upper rod 50, and left and right vertical rods 60, 60 made of a resin material in a square shape to form a frame 2, and a glass body inside thereof. 3 will be included.

  The lower frame 10 is made of a resin material, and has a hollow portion 11 formed in a hollow shape at the lower portion, and a sill surface 12 is formed at the upper portion. On the sill surface 12, a protruding screen door rail portion 12a, an outer rail portion 12b, an inner rail portion 12c, and an indoor side portion 12d are formed in order from the outdoor side. The upper surfaces of the outer rail 12b, the inner rail portion 12c, and the indoor side portion 12d are formed to have substantially the same height.

  The outer recess 13 is formed by the screen door rail portion 12a and the outer rail portion 12b, the intermediate recess portion 14 is formed by the outer rail portion 12b and the inner rail portion 12c, and the inner recess portion 15 is formed by the inner rail portion 12c and the indoor side portion 12d. . The upper frame 20 and the vertical frame 30 are also formed to have substantially the same cross-sectional shape.

  Next, the external shoji 4 and the internal shoji 5 will be described. As shown in FIG. 3, the lower arm 40 of the shoji 4 has an outdoor hanging portion 41 that hangs down the outdoor surface and an indoor hanging portion 42 that hangs down the indoor surface. The indoor hanging part 42 is housed in the intermediate recessed part 14 of the lower frame 10 in the outer recessed part 13, respectively. In addition, the lower arm 40 of the inner shoji 5 also has an outdoor hanging portion 41 that hangs down the outdoor surface and an indoor hanging portion 42 that hangs down the indoor surface, and the outdoor hanging portion 41 is formed in the intermediate recess 14 of the lower frame 10. The indoor hanging parts 42 are respectively stored in the inner recesses 15 of the lower frame 10.

  An airtight material 7 is provided on the inner side surface of each drooping portion, and the airtight material 7 is in contact with the outer rail portion 12b and the inner rail portion 12c to ensure the airtightness and watertightness of the sash. . This structure is the same for the upper rod 50 and the vertical rod 60 on the vertical frame 30 side.

  As shown in FIG. 2, the sump 60 on the summit side is provided with a sump cover 61 made of a resin material and covering the outer peripheral surface of the spider 60 so that the outdoor hanging part 41 and the indoor hanging part 42 are not exposed. I am doing so. In addition, a smoke return member 62 made of metal is provided on the outdoor surface of the downpipe 60 so as to be alternated between the outer shoji 4 and the inner shoji 5, and when these mesh with each other, the airtightness at the summing portion of the shoji is obtained. Is secured.

  Next, reinforcement of the screen door rail portion 12a will be described. As shown in FIG. 3, a screen door rail cover 80 is attached to the screen door rail portion 12 a of the lower frame 10. The screen door rail cover 80 is formed so as to substantially cover the outdoor surface and the bottom surface of the outer recessed portion 13, and the screen door rail 81 for guiding the screen door 6 is formed on the upper surface. The upper end of the screen door rail 81 is formed to have substantially the same height as the upper surfaces of the outer rail portion 12b and the inner rail portion 12c.

  The screen door rail cover 80 is formed in a plate shape having a substantially L-shaped cross section, and engages with a covering portion 82 that substantially covers the outdoor and bottom surfaces of the outer recess 13 of the lower frame 10 and the upper end of the outer recess 13. And an engaging portion 83. A screen door rail 81 is formed on the upper surface of the engaging portion 83. Thus, the screen door rail cover 80 made of a metal material reinforces the screen door rail portion 12a made of a resin material and protruding in a plate shape from the lower frame 10.

  The hollow portion 11 of the lower frame 10 is provided with a reinforcing material for supporting a load applied to the sill surface 12. An outer rail reinforcing member 90 made of metal is provided at the lower portion of the outer rail portion 12b. The outer rail reinforcement member 90 is in contact with the lower surface of the outer rail portion 12b formed in a hollow shape and supports the load applied to the outer rail portion 12b, and from the outer end of the upper end chamber of the outer rail support portion 90a. It consists of an outer extending portion 90b extending toward the outdoor side.

  The upper half of the outer rail support portion 90a is formed in a hollow shape, and the lower half is formed in a plate shape, and the lower end portion constitutes a leg portion that contacts the lower surface of the hollow portion 11 of the lower frame 10. Further, the outer extending portion 90 b is in contact with the bottom side of the outer recessed portion 13 and is screwed to the covering portion 82 of the screen door rail cover 80 that is in contact with the bottom surface of the outer recessed portion 13. As described above, the screen door rail cover 80 is screwed to the outer rail reinforcement member 90, so that the mounting strength of the screen door rail cover 80 can be sufficiently secured.

  An inner rail reinforcing material 91 made of metal is provided at the lower portion of the inner rail portion 12c. The inner rail reinforcing member 91 is in contact with the lower surface of the inner rail portion 12c formed in a hollow shape so as to support a load applied to the inner rail portion 12c. The inner rail reinforcing member 91 is formed in a substantially U-shaped cross section with a long lower side, and is screwed to an anchor member 92 provided further below the lower frame 10 in the lower side portion.

  As described above, the outer rail reinforcing member 90 and the inner rail reinforcing member 91 support the outer rail portion 12b and the inner rail portion 12c, respectively. Among the sill surface 12 of the lower frame 10, a particularly large load is applied to the outer rail portion 12 b and the inner rail portion 12 c that guide the inner and outer shoji 4, 5. can do. On the other hand, as compared with the case where the reinforcing material is provided in the entire hollow portion 11 of the lower frame 10, the reinforcing material can be made smaller, so that the cost can be reduced while sufficiently securing the strength.

  In FIG. 4, the enlarged view of the vertical frame 30 and the vertical fence 60 vicinity of the external shoji 4 is shown. As shown in this figure, the outdoor surface of the outer rail portion 12b of the vertical frame 30 is an inclined surface toward the indoor side from the portion where the airtight material 7 of the vertical rod 60 abuts to the front end side to form the inclined portion 31. is doing. Further, the inner rail portion 12c of the vertical frame 30 is formed in the same manner. In the frame 1, the lower frame 10, the upper frame 20, and the vertical frame 30 all have substantially the same cross-sectional shape, so that the outer rail portion 12 b and the inner rail portion 12 c are similarly provided with the inclined portion 31 over the four circumferences. Have.

  By providing the inclined portion 31 on the outer rail portion 12b and the inner rail portion 12c as described above, resistance due to friction generated between the airtight material 7 and each rail portion when the outer shoji 4 and the inner shoji 5 are opened. Since the force can be reduced and the initial opening and closing force of the shoji can be reduced, the shoji can be opened and closed with a small force.

  Next, a second embodiment of the present invention will be described. FIG. 5 is a longitudinal sectional view of the lower frame flat sash in the present embodiment, and FIG. 6 is a transverse sectional view thereof. As shown in these drawings, the basic structure of the sash is the same as that of the first embodiment. The difference from the first embodiment is that the flat surface of the sill surface 12 is enlarged by providing an outer attachment 70 in the intermediate recess 14 of the lower frame 10 and an inner attachment 75 in the inner recess 15.

  Therefore, each attachment will be described. FIG. 7 shows an enlarged view around the lower frame 10 and the lower eyelid 40. The outer attachment 70 is provided along the longitudinal direction in the intermediate recess 14 of the lower frame 10, and is provided in a region other than the summing part of the outer shoji 4 and the inner shoji 5 and the vicinity of both ends of the lower frame 10. In addition, an airtight block 78 for ensuring airtightness and watertightness is provided at the summing portion of the outer shoji 4 and inner shoji 5 in the intermediate recess 14, and the vicinity of both ends of the lower frame 10 is a space for drainage. To form a flow path.

  The outer attachment 70 is composed of two members, and is composed of a groove-shaped base member 71 that is fixed to the lower frame 10 and opens upward, and a cover member 72 that is provided so as to cover the upper portion of the base member 71. The base member 71 is fixed to the surface by bringing the bottom surface into contact with the mounting portion 14a formed on the bottom surface of the intermediate recess 14 of the lower frame 10 and screwing it.

  The base member 71 has an engaged portion 71 a at the upper portion, and the cover member 72 has an engaging portion 72 a that engages with the engaged portion 71 a at the upper portion of the base member 71 at the lower portion. The cover member 72 has an upper surface 73 formed in a planar shape, and the height of the upper surface 73 is substantially the same as the height of the upper surface of the outer rail portion 12b, and is substantially continuous with the upper surface of the outer rail portion 12b. It is said that. That is, the upper surface 73 of the cover member 72 extends the upper surface of the outer rail portion 12b to the indoor side to widen the flat surface.

  The inner attachment 75 is provided in the inner recess 15 of the lower frame 10 along the longitudinal direction, and is provided in a region other than the vicinity of both end portions of the lower frame 10. A door stop block 16 is provided in the vicinity of both ends of the lower frame 10 of the inner recess 15 so that the inner card 5 does not collide with the vertical frame 30.

  The inner attachment 75 is formed in a substantially U-shaped cross section, and fitting portions 76 are formed on both side surfaces of the inner attachment 75 to fit the mounting portions 15a formed on both side surfaces of the inner recess 15 of the lower frame 10. Since the attachment portion 15a formed in the inner concave portion 15 of the lower frame 10 is formed as a fitting concave portion as described above, the fitting portion 76 of the inner attachment 75 is a fitting convex that can be freely fitted thereto. It is formed as a part. For this reason, the inner attachment 75 can be easily attached to the inner recess 15 by being inserted from above. In this manner, the inner attachment 75 is fixed to the mounting portion 15 a of the inner recess 15.

  The upper surface 77 of the inner attachment 75 is formed in a planar shape, and the height thereof is substantially the same as the height of the upper surface of the inner rail portion 12c and the upper surface of the indoor side portion 12d. Further, the upper surface 77 of the inner attachment 75 is provided from the inner rail portion 12c to the indoor side portion 12d, and extends from the upper surface of the inner rail portion 12c to the upper surface of the indoor side portion 12d as a substantially continuous shape. The surface is widened.

  Moreover, in this embodiment, the shape of the lower arm 40 of the external shoji 4 and the internal shoji 5 is different from 1st Embodiment. The lower arm 40 of the external shoji 4 has an outdoor hanging part 41 that hangs down the outdoor surface, and constitutes the indoor lower end 43 without hanging down the indoor surface. The outdoor hanging portion 41 is housed in the outer recessed portion 13 of the lower frame 10, and the lower surface of the indoor lower end portion 43 is opposed to the upper surface of the outer attachment 70. Further, the lower arm 40 of the inner shoji 5 also has an outdoor hanging portion 41 that hangs down the outdoor surface, and constitutes the indoor lower end portion 43 without hanging down on the indoor surface. The outdoor hanging portion 41 is housed in the intermediate recess 14 of the lower frame 10, and the lower surface of the indoor lower end portion 43 is opposed to the upper surface of the inner attachment 75.

  The shapes of the upper rod 50 and the vertical rod 60 are the same as those used for the frame 2 of the first embodiment. In addition, the sump rod 60 in the vertical rod 60 is provided with a sump rod reinforcing material 63 having a hollow cross section on the indoor side. The housing 2 of the present embodiment has a different cross-sectional shape between the lower rod 40 having the outdoor hanging portion 41 and the indoor lower end portion 43 and the other rod having the outdoor hanging portion 41 and the indoor hanging portion 42. . FIG. 8A shows an enlarged view of the welded portion of the lower rod 40 and the vertical rod 60. The lower rod 40 and the vertical rod 60 each have an end portion cut at an angle of 45 °, and the end surfaces are brought into contact with each other to be welded and fixed.

  In this case, the tip of the portion corresponding to the indoor hanging portion of the vertical rod 60 is abutted with the tip of the indoor lower end 43 of the lower rod 40. Since the tip of the part corresponding to the outdoor hanging part of the vertical shaft 60 is at the same position as the tip of the part corresponding to the indoor hanging part, it extends below the indoor lower end part 43 to the outside in the finding direction. The outdoor hanging portion 41 of the heel 40 is disposed outside the butt face with the vertical heel 60. As described above, the airtight material 7 is provided in the portion corresponding to the outdoor hanging portion of the vertical rod 60 and the outdoor hanging portion 41 of the lower rod 40, and the airtight material 7 is not continuous as it is. In FIG. 8, the hatched portion represents the airtight material 7.

  Therefore, the lower rod 40 cuts out the airtight material 7 of the outdoor hanging portion 41 near the welded portion, and the vertical rod 60 also cuts out the portion of the airtight material 7 corresponding to the outdoor hanging portion near the welded portion. An L-shaped corner block 46 having an airtight portion 46a on the surface is provided. FIG. 8B shows an enlarged view of the welded portion to which the corner block 46 is attached. The airtight portion 46a is formed so as to be continuous with the airtight material 7 of the lower rod 40 and the airtight material 7 of the vertical rod 60, so that the airtightness of the lower rod 40 and the vertical rod 60 is made continuous. I have to.

  Furthermore, also in this embodiment, the screen door rail cover 80 is attached with respect to the screen door rail part 12a. The screen rail cover 80 is made of metal as in the first embodiment, and engages with a covering portion 82 that substantially covers the outdoor surface and bottom surface of the outer recess 13 of the lower frame 10, and the outdoor surface upper end portion of the outer recess 13. An engaging portion 83 is provided. However, the portion covering the outdoor surface of the outer recessed portion 13 of the covering portion 82 is formed so as to have a hollow portion, and is different from the first embodiment in that a flat portion 84 is formed on the upper surface thereof. . A screen door rail 81 is formed so as to be adjacent to the flat portion 84. Since the screen door rail portion 12a is made of a resin material and protrudes in a plate shape from the lower frame 10 as in the first embodiment, it can be reinforced by the screen door rail cover 80.

  The point that the screen door rail cover 80 is fixed to the outer rail reinforcing member 90 provided in the hollow portion 11 of the lower frame 10 is the same as in the first embodiment. That is, the outer extending portion 90b of the outer rail reinforcing member 90 is screwed to the covering portion 82 of the screen door rail cover 80 that contacts the bottom surface of the outer recess 13 of the lower frame 10 and contacts the front surface of the outer recess 13. The Thereby, the screen door rail cover 80 is firmly fixed to the lower frame 10.

  Although the embodiments of the present invention have been described so far, the application of the present invention is not limited to these embodiments, and can be variously applied within the scope of the technical idea.

It is a longitudinal cross-sectional view of the lower-frame flat sash in 1st Embodiment. It is a cross-sectional view of the lower frame flat sash in the first embodiment. It is a lower enlarged view of FIG. It is an enlarged view of the vertical frame of FIG. It is a longitudinal cross-sectional view of the lower frame flat sash in 2nd Embodiment. It is a cross-sectional view of the lower frame flat sash in the second embodiment. FIG. 6 is a lower enlarged view of FIG. 5. It is an enlarged view of the welding part of a lower iron and a vertical iron.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame body 2 Body 3 Glass body 4 External shoji 5 Internal paper shovel 6 Screen door 7 Airtight material 10 Lower frame 11 Hollow part 12 Sill surface 12a Screen door rail part 12b Outer rail part 12c Inner rail part 12d Indoor side part 13 Outer recessed part 14 Middle Recessed part 14a Attached part 15 Inner recessed part 15a Attached part 40 Lower arm 41 Outdoor hanging part 42 Indoor hanging part 43 Indoor lower part 45 Door wheel 70 Outer attachment 71 Base member 72 Cover member 73 Upper surface 75 Inner attachment 76 Fitting part 77 Upper surface 80 Screen door rail Cover 84 Flat part

Claims (2)

In the lower frame flat sash, which consists of a synthetic resin upper and lower frame and left and right vertical frames in a rectangular shape to constitute a frame body, and inside and outside doors and screen doors are movably accommodated in the frame body,
The lower frame includes a protruding screen door rail portion, an outer rail portion, and an inner rail portion in order from the outdoor side on the upper surface, and a recess is formed between each rail portion, and the screen door rail portion extends from the screen door rail portion. And a screen door rail cover provided with a screen door rail that is made of metal and guides the screen door on the upper surface, over the recess between the outer rail portion and the outer rail portion,
The lower frame has a hollow portion at a lower portion, and an outer rail reinforcement member made of metal is provided below the outer rail portion of the hollow portion, and the screen door rail cover is a recess between the screen door rail portion and the outer rail portion. A lower frame flat sash that is screwed or screwed to the outer rail reinforcement member through a bottom surface.   The outer rail reinforcement member includes a rail support portion that supports a lower portion of the outer rail portion, and an outer extension portion that is disposed at a lower portion of a concave portion between the screen door rail portion and the outer rail portion. The lower frame flat sash according to claim 1, wherein the outer rail reinforcing member is screwed or screwed to the outer extension portion of the outer rail reinforcement member through a bottom surface of the concave portion of the frame.

Images