JP4803526B2 - Lower frame flat sash - Google Patents

Description

  The present invention relates to a lower frame flat sash in which a sliding shoji is housed in a frame made of a resin material, and more particularly to a lower frame flat sash in which a shoji door is difficult to come off from a rail of the lower frame.

Conventionally, in a sash in which a sliding shoji is 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. A 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, a door wheel is provided at the lower end of the shoji, and the shoji door wheel is placed on the rail of the lower frame so that the shoji can run in the longitudinal direction of the frame. Here, there may be a pressure difference between the inside and outside of the sash. When the pressure on the indoor side is higher than that on the outdoor side, the shoji moves to the outdoor side.

  However, since the shoji door is only placed on the rail of the lower frame, if the shoji moves greatly to the outdoor side, the door may come off the rail and fall into the recess between the rails. If the door roller falls into the recess of the lower frame in this way, the shoji is difficult to return to the rail because of its heavy weight. Therefore, the conventional lower frame flat sash has been difficult to handle in that the door wheel is easily detached from the rail of the lower frame and falls into the recess.

  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 in which a shoji door is hardly detached from the rail of the lower frame and is easy to handle.

In order to solve the above-described problems, a lower frame flat sash according to the present invention is configured by forming a synthetic resin upper and lower frame and left and right vertical frames in a rectangular shape, and the upper and lower frames and left and right frames In the lower frame flat sash that folds the vertical fence into a square shape and accommodates the glass body inside and accommodates the inner and outer shoji with a door wheel at the lower end part so that it can run freely,
The lower frame has an outer rail portion having an outer rail on the upper surface that allows the outer shoji to run, an inner rail portion having an inner rail that allows the inner shoji to run, and an outer side of the outer rail portion. A screen door rail portion, and the outer rail portion has a first indoor side portion having a flat surface on the indoor side of the outer rail, and an intermediate recess is formed by the first indoor side portion and the inner rail portion. The screen door rail portion has a second indoor side portion having a flat surface on the indoor side, and an outer concave portion is formed by the second indoor side portion and the outer rail portion,
The lower arm includes an outdoor hanging part that hangs from the lower end of the outdoor surface, the outdoor hanging part of the inner shroud is housed in the intermediate recess, and the outdoor surface and the indoor surface of the first indoor side part are connected to the inner rail. A gap portion is formed facing each other at approximately one-half the width, the outdoor hanging portion of the above-mentioned shoji is housed in the above-mentioned outside concave portion, and the outdoor surface thereof and the indoor surface of the above-mentioned second indoor side portion are connected to the above-mentioned outer rail. Facing each other at an interval of about one half of the width of
The second indoor side portion has a screen door rail that allows the screen door to run freely on an upper surface, and is provided in a metal screen door rail cover body attached to the screen door rail portion, and the screen door rail cover body is an outdoor surface of the outer recess. It has the feature that it has a hollow part which covers .

  Further, in the lower frame flat sash according to the present invention, an attachment material having an upper surface formed substantially at the same height as the upper surface of the outer rail portion is disposed on the lower frame upper surface in the chamber of the outer rail portion. It is structured to be attached inside.

  According to the lower frame flat sash according to the present invention, the outdoor hanging portion of the inner frame is accommodated in the intermediate recess of the lower frame, and the outdoor surface and the indoor surface of the first indoor side portion are approximately half the width of the inner rail. By facing each other at an interval of 1, the inner surface of the outdoor hanging part is in contact with the indoor surface of the first indoor side when the inner shovel moves to the outdoor side due to an atmospheric pressure difference between the indoor and the outdoor. The shoji has moved by about one-half of the width of the inner rail and does not move further to the outside of the room, so that the shoji does not fall into the intermediate recess and can be handled easily.

  Further, according to the lower frame flat sash according to the present invention, the outdoor hanging portion of the shoji is housed in the outer recessed portion, and the outdoor surface and the indoor surface of the second indoor side portion are approximately one half of the width of the outer rail. When the outer panel is moved to the outside of the room due to an atmospheric pressure difference between the outside and the outside, the outer panel of the outdoor hanging part is in contact with the inner surface of the second indoor side, Has moved by about one-half of the width of the outer rail, and does not move further to the outside of the room, so that the external shoji does not fall into the outer concave portion and can be easily handled.

  Furthermore, according to the lower frame flat sash according to the present invention, the first indoor side portion has an upper surface attached to the indoor side of the outer rail portion with an attachment material formed at substantially the same height as the upper surface of the outer rail portion. Thus, the gap between the outdoor hanging part of the inner shoji and the first indoor side can be easily set according to the dimensions of the attachment material.

  Furthermore, according to the lower frame flat sash according to the present invention, the second indoor side portion is provided on the screen door rail cover body which has the screen door rail which allows the screen door to run freely on the upper surface and which is attached to the screen door rail portion. Thus, the gap between the outdoor hanging portion of the shoji and the second indoor side can be easily set according to the size of the screen door rail cover body.

  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. 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.

  In the present embodiment, the outer attachment 70 is provided in the intermediate recess 14 of the lower frame 10, and the inner attachment 75 is provided in the inner recess 15 to enlarge the flat surface of the sill surface 12. Therefore, each attachment will be described. FIG. 3 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.

  A screen door rail cover 80 is attached to the screen door rail portion 12a. The screen door rail cover 80 is made of metal, and has a covering portion 82 that substantially covers the outdoor surface and bottom surface of the outer recess 13 of the lower frame 10, and an engaging portion 83 that engages with the upper end of the outer surface of the outer recess 13. . About the part which covers the outdoor surface of the outer side recessed part 13 of the coating | coated part 82, it forms so that it may have a hollow part, and the flat part 84 is formed in the upper surface. A screen door rail 81 is formed so as to be adjacent to the flat portion 84. The screen door rail portion 12a is made of a resin material and is formed so as to protrude from the lower frame 10 in a plate shape, and thus is reinforced by the screen door rail cover 80.

  Further, the screen door rail cover 80 is fixed to an outer rail reinforcing member 90 provided in the hollow portion 11 of the lower frame 10. 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.

  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 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. Each of the upper rod 50 and the vertical rod 60 has an outdoor hanging portion 41 that hangs down the outdoor surface, and an indoor hanging portion that hangs down the indoor surface. 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. Further, the upper rod 50 and the vertical rod 60 are also each fixed with an end portion cut at an angle of 45 ° and the end surfaces butted against each other for welding.

  Next, the positional relationship between the outer shoji 4 and inner shoji 5 and the frame 1 will be described. As shown in FIG. 3, the outer attachment 70 is a first indoor surface portion provided on the indoor side of the outer rail 12e and having an upper surface 73 that is a flat surface, and the intermediate recess portion 14 is formed by this and the inner rail portion 12c. Is. The outer attachment 70 has an indoor surface portion 74 in which the indoor side end portion of the upper surface 73 is formed in a substantially L-shaped cross section. The outdoor hanging portion 41 formed on the lower collar 40 of the inner shoji 5 is housed in the intermediate recess 14 of the lower frame 10, and the outdoor surface thereof faces the indoor surface portion 74 of the outer attachment 70 with a predetermined gap. ing. Here, the distance between the outdoor surface of the outdoor hanging part 41 and the indoor surface part 74 of the outer attachment 70 defines the amount of movement of the inner shoji 5 to the outdoor side due to an atmospheric pressure difference inside and outside the room. Therefore, the amount of movement of the inner shoji 5 can be reduced by making this interval as small as possible. However, considering the deformation of the resin material due to changes in the temperature, it is necessary to provide a certain gap between the outdoor surface of the outdoor hanging portion 41 and the indoor surface portion 74 of the outer attachment 70.

  FIG. 4 is a view showing a state in which the shoji is moved to the outdoor side in FIG. As shown in this figure, the inner shovel 5 moves to the outdoor side to the position where the outdoor surface of the outdoor hanging portion 41 of the lower arm 40 abuts the indoor surface portion 74 of the outer attachment 70, and does not move further to the outdoor side. It becomes. At this time, the door wheel 45 of the lower arm 40 rides on the inner rail 12f of the inner rail portion 12c. However, the door 45 has a gap between the outdoor surface of the outdoor hanging portion 41 and the indoor surface portion 74 of the outer attachment 70 so as not to be completely detached from the inner rail 12f.

  In the present embodiment, the inner rail 12f of the inner rail portion 12c is formed as a convex portion having an arcuate cross section, and the gap between the outdoor surface of the outdoor hanging portion 41 and the indoor surface portion 74 of the outer attachment 70 is the width of the inner rail 12f. Is about one-half of Therefore, as shown in FIG. 4, the inner shoji 5 moves to the outdoor side, the outdoor surface of the outdoor hanging portion 41 is in contact with the indoor surface portion 74 of the cover member 72, and the outdoor surface of the door wheel 45 is the inner rail 12f. It will be in the state arrange | positioned at the top part, and the doorwheel 45 will be maintained in the state which has not removed from the inner rail 12f.

  By setting the gap between the outdoor surface of the outdoor hanging portion 41 and the indoor surface portion 74 of the cover member 72 in this way, the inner shoji 5 can be moved to the outdoor side due to a difference in the atmospheric pressure outside the room while taking into account the deformation of the resin material. When the door is moved to the position, the door 45 does not fall into the intermediate recess 14, and the sash can be easily handled.

  The external shoji 4 is also arranged in the same positional relationship. As shown in FIG. 3, in the case of the shoji screen 4, the screen door rail cover 80 is a second indoor side portion having a flat surface 84 on the indoor side of the screen door rail 81, and this and the outer rail portion 12b A recess 13 is formed. And the outdoor surface of the outdoor hanging part 41 of the shoji 4 is opposed to the indoor surface part 85 of the screen door rail cover 80 with a gap of a predetermined interval. Therefore, this gap is set to the same interval as in the case of the inner shoji 5 so that the door wheel 45 is not completely detached from the rail. That is, the gap between the outdoor surface of the outdoor hanging portion 41 and the indoor surface portion 85 of the screen door rail cover 80 is set to about one half of the width of the outer rail 12e. In this way, as shown in FIG. 4, when the inner shovel 5 moves to the outdoor side, the outdoor surface of the outdoor hanging portion 41 in the lower arm 40 of the outer shoji 4 contacts the indoor surface portion 85 of the screen door rail cover 80. In this state, the door wheel 45 of the lower arm 40 is in a state where it rides up to the top of the outer rail 12e of the outer rail portion 12b, and the door wheel 45 can be kept in a state not detached from the outer rail 12e.

  Next, the shape of the vertical frame 30 will be described. FIG. 5 shows an enlarged view of the vicinity of the vertical frame 30 and the vertical rod 60 in FIG. 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.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea.

It is a longitudinal cross-sectional view of the lower frame flat sash in this embodiment. It is a cross-sectional view of the lower frame flat sash in this embodiment. FIG. 2 is an enlarged view of the vicinity of a lower frame and a lower eyelid in FIG. 1. It is the figure which showed the state which the shoji moved to the outdoor side in FIG. FIG. 3 is an enlarged view of the vicinity of the vertical frame and vertical gutter in FIG. 2.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame body 2 Housing | casing body 3 Glass body 4 External shoji 5 Inward shoji 6 Screen door 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 Intermediate recessed part 15 Inside Concave part 40 Lower arm 41 Outdoor hanging part 42 Indoor hanging part 43 Indoor lower part 45 Door wheel 70 Outer attachment 74 Indoor surface part 75 Inner attachment 80 Screen door rail cover 85 Indoor surface part

Claims (2)

A synthetic resin upper and lower frame and left and right vertical frames are framed to form a frame, and the upper and lower ridges and left and right vertical ridges are assembled into a rectangular shape and the glass body is placed inside the frame. In the lower frame flat sash that accommodates the inner and outer shoji with a door wheel at the lower end so that it can run freely,
The lower frame has an outer rail portion having an outer rail on the upper surface that allows the outer shoji to run, an inner rail portion having an inner rail that allows the inner shoji to run, and an outer side of the outer rail portion. A screen door rail portion, and the outer rail portion has a first indoor side portion having a flat surface on the indoor side of the outer rail, and an intermediate recess is formed by the first indoor side portion and the inner rail portion. The screen door rail portion has a second indoor side portion having a flat surface on the indoor side, and an outer concave portion is formed by the second indoor side portion and the outer rail portion,
The lower arm includes an outdoor hanging part that hangs from the lower end of the outdoor surface, the outdoor hanging part of the inner shroud is housed in the intermediate recess, and the outdoor surface and the indoor surface of the first indoor side part are connected to the inner rail. A gap portion is formed facing each other at approximately one-half the width, the outdoor hanging portion of the above-mentioned shoji is housed in the above-mentioned outside concave portion, and the outdoor surface thereof and the indoor surface of the above-mentioned second indoor side portion are connected to the above-mentioned outer rail. Facing each other at an interval of about one half of the width of
The second indoor side portion has a screen door rail that allows the screen door to run freely on an upper surface, and is provided in a metal screen door rail cover body attached to the screen door rail portion, and the screen door rail cover body is an outdoor surface of the outer recess. The lower frame flat sash which has a hollow part which covers . The first indoor side portion is formed by attaching an attachment material having an upper surface formed at substantially the same height as the upper surface of the outer rail portion on the indoor side of the outer rail portion on the upper surface of the lower frame. 1. The lower flat sash of 1 description.

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