JP2009299444A - Sash with flat sill - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sash with a flat sill, which facilitates the adjustment of a wire screen unit. <P>SOLUTION: A sliding screen 3 is openably/closably housed in a frame body 1, and a wire screen unit 40 is provided on the outdoor side of the sliding screen 3. The sill 11 is provided with a rail portion 11b for allowing the sliding screen 3 to travel, and a top surface is formed in an approximately flat shape across indoor and outdoor sides. The wire screen unit 40 is composed of a wire screen 43, a slide bar 41 which is provided across areas above and below a leading end of the wire screen 43, and a storage portion 42 in which the wire screen 43 can be freely housed in a take-up manner; the storage portion 42 has a lower end 42a which is elongated below the lower end of the wire screen 43; and the lower end 42a is embedded below the top surface of the sill 11. In the storage portion 42, an indoor surface except the lower end 42a, and an inner peripheral surface on an indoor side with respect to the slide bar 41 are set freely openable/closable or freely removable. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lower frame flat sash in which a shoji is housed in a frame so that the shoji can be opened and closed, and a screen door unit is disposed outside the shoji door, and in particular, the upper surface of the lower frame including the portion where the screen door unit is disposed is substantially flat. It relates to the lower frame flat sash.

  Conventionally, in a sash in which a shoji is placed in a frame provided in an opening of a building, the rail for the shoji provided in the lower frame is approximately the same height as the floor on the indoor side, and the upper surface of the lower frame is substantially flat. A frame flat sash is known. By making the upper surface of the lower frame substantially flat, it is easy to pass inside and outside the sash, and in particular, it is easy to run the wheelchair, so that it can cope with barrier-free.

A screen door is provided outside the shoji that opens and closes. The screen door needs to be openable and closable. In the conventional lower frame flat sash, a screen door rail is provided on the upper surface of the outdoor end of the lower frame, and the screen door that can run on the screen door rail is provided. As such a lower frame flat sash having a screen door, for example, there is one described in Patent Document 1.
JP-A-2005-232952

  When the screen door that travels on the screen door rail is provided, the screen door is exposed in any of the open and closed states, and thus there is a problem that it is not preferable in terms of design. In addition, if the inner shoji is a one-way movable shoji, the outer shoji is a stationary shoji, and the fixed face of the stationary shoji does not protrude from the inner circumference of the frame to the inner circumference, It is difficult to provide a screen door on the outdoor side of the shoji screen, and it is also impossible to place the screen door on the side of the fixed shoji screen. For this reason, it can be considered that a screen door unit having a screen door that can be retracted and retracted is provided on the side of a fixed shoji which is an external shoji.

  Here, it is necessary to adjust the storage speed or the like of the screen door depending on the situation of the installation location. The adjustment is performed by operating the adjustment unit provided in the storage unit that constitutes the screen unit. However, since the operation unit is in the storage unit, the screen unit must be disassembled before it can be adjusted. Therefore, there is a problem that the work becomes complicated when adjustment is required. In addition, when installing the screen door unit to the lower frame flat sash, part of the screen door unit will be embedded in the frame body, so it is necessary to remove the screen door unit to make adjustments, which further complicates the work. I was doing.

  This invention is made | formed in view of the said subject, and it aims at providing the lower-frame flat sash which can adjust a screen door unit easily.

In order to solve the above problems, a sash according to the present invention is configured such that a shoji is freely opened and closed inside a frame provided in a building opening, and a screen door unit is provided outside the shoji to configure the frame. The lower frame is provided with a rail portion for running the shoji, and in the lower frame flat sash in which the upper surface is formed substantially flat across the room,
The screen door unit includes a screen door, a slide bar provided over the top and bottom of the screen door, and a storage portion that can retract the screen door in a retractable manner, and the storage portion extends below the lower end of the screen door. Having a lower end, the lower end is embedded below the upper surface of the lower frame,
The storage portion is configured such that an indoor surface other than the lower end portion and an inner peripheral surface on the indoor side from the slide bar can be opened and closed or removed.

  Further, in the sash according to the present invention, the lower end portion of the storage portion includes a rotation engagement portion that rotatably holds the indoor surface end portion of the removal portion, and the removal portion is centered on the rotation engagement portion. It is configured to be rotatable toward the indoor side.

  Further, in the sash according to the present invention, the end portion on the slide bar side of the removing portion has an abutting surface portion facing the indoor side, the abutting surface portion abuts on the slide bar, and the abutting surface portion It is configured to be engaged and fixed to the lower end portion of the storage portion on the outdoor side.

  According to the sash according to the present invention, the screen door unit includes a screen door, a slide bar provided over the top and bottom ends of the screen door, and a storage portion that can retract the screen door in a retractable manner. Also has a lower end extending downward, the lower end is embedded below the upper surface of the lower frame, and the storage portion is openable / closable or removable on the indoor surface other than the lower end and on the indoor side from the slide bar. As a result, when the screen door adjustment unit is provided inside the storage unit, the adjustment can be easily performed from the indoor side without disassembling the lower frame.

  Further, according to the sash according to the present invention, the lower end portion of the storage portion includes the rotation engagement portion that rotatably holds the indoor surface end portion of the removal portion, and the removal portion is located indoors with the rotation engagement portion as a center. Since the detachable portion can be easily rotated or rotated, the detachable portion can be easily removed or opened / closed.

  Furthermore, according to the sash according to the present invention, the slide bar side end portion of the removing portion has an abutting surface portion facing the indoor side, the abutting surface portion abuts on the slide bar, and the outdoor side of the abutting surface portion By engaging and fixing to the lower end portion of the storage portion, it is possible to prevent the fixed portion of the removal portion from being exposed and to easily open and close the removal portion or pull the abutment surface portion from the indoor side. Removal can be performed.

  Embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, the front view of the lower-frame flat sash in this embodiment is shown. As shown in this figure, the lower frame flat sash according to the present embodiment accommodates a fixed shoji 2 as an external shoji and a one-pull movable shoji 3 as an inner shoji in a frame 1 provided in a building opening. Configured. FIG. 1 shows the lower frame flat sash viewed from the outdoor side.

  The frame 1 is configured by an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12 that are rectangularly framed. The fixed shoji 2 accommodated in the frame 1 is a panel made of a glass plate in a fixed frame 4 in which an upper frame 20 and a lower frame 21, a frame side vertical frame 22 and a summing frame 23 are assembled in a square shape. Constructed with the body 6 in place. In addition, the movable shoji 3 stored in the frame 1 is formed by assembling an upper rod 30 and a lower rod 31, a frame-side vertical rod 32, and a summing rod 33 (not shown in FIG. 1) into a square shape. A panel body 6 made of a glass plate is housed in a movable casing 5.

  In the frame 1, the fixed shoji 2 is housed near the outdoor side and the movable shoji 3 is housed near the indoor side, and the movable shoji 3 moves in the left-right direction on the indoor side of the fixed shoji 2 and opens and closes. Have been able to. Moreover, in the fixed shoji 2, the fixed housing 4 is made to substantially cover the outdoor side finding surface of the frame 1, and the frame 1 is made not conspicuous when viewed from the outdoor side. In addition, although the screen door unit 40 is arrange | positioned in the outdoor side of the frame 1 and the outdoor side of the movable shoji 3, it is abbreviate | omitting in FIG.

  FIG. 2 shows a longitudinal sectional view of the lower frame flat sash, and FIG. 3 shows a transverse sectional view of the lower frame flat sash. The upper frame 10 constituting the frame body 1 is fixed to the building frame on the outer peripheral surface side, the fixed shoji 2 is disposed so as to face the outdoor side of the inner peripheral surface, and the movable shoji 3 on the indoor side. The outer rail part 10b which guides along the longitudinal direction is formed.

  Further, the upper frame 10 is formed of a metal upper frame 10 a having a hollow cross section, and the exposed portion on the inner side of the inner peripheral surface of the metal upper frame 10 a is covered with the resin upper frame 13. The resin upper frame 13 has an outdoor end portion close to the indoor end of the stationary shoji 2 and constitutes an indoor exposed surface of the outer rail portion 10b, and the indoor end portion is an indoor side portion 10c that protrudes inward in the finding direction. ing. Since the front end of the indoor side portion 10c is disposed in a plane substantially the same as the position of the inner peripheral surface of the fixed casing 4 of the fixed shoji 2, it is difficult to see the fixed casing 4 of the fixed shoji 2 from the indoor side. Improvements are being made.

  The lower frame 11 constituting the frame body 1 is fixed to the building frame on the outer peripheral surface side, and the fixed shoji 2 is disposed so as to face the outdoor side of the inner peripheral surface. A rail portion 11b that can run along the longitudinal direction is formed in a protruding shape.

  Further, the lower frame 11 is formed of a metal lower frame 11a having a hollow cross section, and a resin lower frame 14 is provided so as to cover the upper surface thereof. The upper surface of the resin lower frame 14 is substantially flush with the upper end of the rail portion 11b from the outdoor end to the indoor end, and thereby the lower frame flat sash that makes the sill surface of the lower frame 11 substantially flat. Is configured. The resin lower frame 14 is provided from the indoor end portion of the fixed shoji 2 to the indoor end portion of the lower frame 11 on the side where the fixed shoji 2 is provided, and the rail portion 11b on the side where the movable shoji 3 is provided. To the indoor end of the lower frame 11. A resin screen door attaching material 60 for guiding the screen door drawn from the screen door unit 40 is provided on the outdoor side of the rail portion 11b on the side where the movable shoji 3 is provided, and the upper surface of the screen door attaching material 60 is also provided. The height is approximately the same as the upper surface of the resin lower frame 14.

  The vertical frame 12 constituting the frame body 1 is fixed to the building frame on the outer peripheral surface side, and the fixed shoji 2 is fixed to the inner peripheral surface of the vertical frame 12 on the left side in the drawing. In addition, on the inner peripheral surface of the vertical frame 12 on the right side in the drawing, the movable shoji 3 is disposed opposite to the indoor side, and the screen door unit 40 that can be pulled out to the outdoor side is disposed and fixed. An outdoor end 12b that protrudes toward the inner peripheral side is formed at the outdoor end of the vertical frame 12, and the screen door unit 40 is configured such that the outdoor surface is covered with the outdoor surface 12b. Thereby, the screen unit 40 is not exposed to the outdoor side, and the design can be improved. In addition, although the outdoor surface part 12b is integrally formed in the vertical frame 12, you may make it attach to the vertical frame 12 as another component.

  The vertical frame 12 on the side where the fixed shoji 2 is provided is composed of a metal vertical frame 12a and a resin vertical frame 15 covering the inner peripheral surface on the indoor side. Further, the vertical frame 12 on the side where the movable shoji 3 is provided is provided with a metal vertical frame 12a, but is not provided with a resin frame covering its inner peripheral surface. However, a resin dew-proof frame 17 is provided on the indoor side surface of the metal vertical frame 12a, and the inner peripheral surface of the angle portion 16 provided at the indoor end is covered with a resin angle portion 16b. The dewproof frame 17 is also provided on the upper frame 10, the lower frame 11, and the vertical frame 12 on the side where the fixed shoji 2 is provided.

  At the indoor side end of the frame 1, an angle part 16 is provided so as to protrude toward the indoor side over four rounds. The angle portion 16 is in contact with the inner peripheral surface of a frame material provided over the four sides on the indoor side of the frame body 1 so that the frame body 1 and the frame material are continuous.

  The upper rod 20 and the summing rod 23 constituting the stationary casing 4 of the fixed shoji 2 are configured by providing the upper metal rod 20a and the resin upper rod 24 and the resin summing rod 25 on the indoor side of the metallic summing rod 23a, respectively. Has been. On the other hand, the lower rod 21 and the frame-side vertical rod 22 constituting the fixed housing 4 are respectively composed of a metal lower rod 21a and a metal vertical rod 22a, and a resin lower frame is provided on the indoor side of the metal lower rod 21a. 14 is fixed, and the resin vertical frame 15 is fixed to the indoor side of the metal vertical rod 22a.

  The resin lower frame 14 is engaged and fixed at the outer peripheral end of the upper surface to the inner peripheral end of the inner surface of the metal lower collar 21a. Therefore, the metal lower collar 21a is entirely below the upper surface of the resin lower frame 14. Be placed. Thereby, the metal lower arm 21a is not directly exposed to the indoor side, and the design can be improved.

  In the resin vertical frame 15, the outdoor end portion of the inner peripheral surface is engaged and fixed to the inner peripheral end portion of the indoor surface of the metal vertical rod 22a. For this reason, the entire metal vertical rod 22 a is disposed on the outer peripheral side of the inner peripheral surface of the resin vertical frame 15. Thereby, like the metal lower rod 21a, the metal vertical rod 22a is not directly exposed to the indoor side, and the design can be improved.

  Thus, with respect to the fixed casing 4 constituting the fixed shoji 2, the resin casing is attached only to the upper casing 20 and the summing casing 23, and the lower casing 21 and the frame-side vertical casing 22 are made of resin at the inner peripheral edge of the indoor surface. Since the frame is engaged, a lower frame flat sash in which the indoor-side exposed portion is covered with a resin material can be configured with a simple structure with a small number of parts.

  The upper collar 30 constituting the movable shoji 3 is composed of a metal upper collar 30a on the outdoor side and a resin upper collar 30b on the indoor side. Similarly, the lower bar 31 is made of a metal lower bar 31a and a resin lower bar 31b, the frame side vertical bar 32 is made of a metal vertical bar 32a and a resin vertical bar 32b, and the summing bar 33 is made of a metal summing bar 33a and a resin summing bar 33b. Respectively.

  Next, the screen door unit 40 will be described. FIG. 4 shows a perspective view of the screen door unit 40. As shown in the figure, the screen door unit 40 includes a box-shaped storage portion 42 that stores the screen door 43 in a winding shape, and a slide bar 41 that pulls out the screen door 43 from the storage portion 42. A lower portion of the storage portion 42 below the lower end of the slide bar 41 extends downward as a lower end portion 42a. Further, a protruding boss portion 42b is formed on the upper surface of the storage portion 42. Although not shown in FIG. 4, a similar boss portion 42b is also formed on the lower surface of the lower end portion 42a.

  In FIG. 5, the longitudinal cross-sectional view of the lower-frame flat sash in the area | region where the screen door unit 40 is attached is shown. In this figure, the movable shoji 3 is omitted. As shown in FIG. 5, in this region, the lower frame attachment material 50 is attached to the upper surface on the outdoor side of the metal lower frame 11 a constituting the lower frame 11, and the screen door unit 40 is attached to the lower frame attachment material 50. A lower screen attachment material 51 having an upper surface substantially the same height as the upper end of the rail portion 11 b of the lower frame 11 is attached to the upper surface of the lower frame attachment material 50 while the lower end is attached.

  As for the upper frame 10, the upper frame attachment material 54 is attached to the lower outside surface of the metal upper frame 10 a, the upper end of the screen door unit 40 is attached to the upper frame attachment material 54, and further to the lower surface of the upper frame attachment material 54. The upper screen door attaching material 55 is attached.

  FIG. 6 is a vertical cross-sectional view illustrating attachment of the upper frame attachment material 54 and the lower frame attachment material 50 to the upper frame 10 and the lower frame 11. As shown to Fig.6 (a), the base member 56 which consists of a piece-like member is provided in the longitudinal direction every predetermined space | interval in the outdoor outer surface of the metal lower frame 11a. The lower frame attachment material 50 is attached so as to be placed on the base member 56.

  The lower frame attachment member 50 has a unit attachment surface 50a on which the screen door unit 40 is attached on the upper surface, and the unit attachment surface 50a has a boss portion 42b formed on the lower end portion 42a of the storage portion 42 constituting the screen door unit 40. Is formed. As shown in FIG. 6B, the lower frame attachment material 50 is fixed to the metal lower frame 11a by placing the lower frame attachment material 50 on the pedestal member 56 and further screwing it.

  The upper frame attaching material 54 has a unit mounting surface 54a to which the screen unit 40 is mounted on the lower surface, and a holding portion 54b for holding a boss portion 42b formed at the upper end of the storage portion 42 is formed on the unit mounting surface 54a. Has been. As shown in FIG. 6B, the upper frame attachment material 54 is attached to the metal upper frame 10a by bringing the outer peripheral surface of the upper frame attachment material 54 into contact with the inner peripheral surface of the metal upper frame 10a and further screwing. Fixed.

  FIG. 7 shows a longitudinal sectional view in a state where the upper frame attachment material 54 and the lower frame attachment material 50 are attached to the upper frame 10 and the lower frame 11, respectively, and the screen door unit 40 is further attached. As shown in this figure, the screen door unit 40 is a unit of the lower frame attachment material 50 by inserting and fixing the boss portion 42b formed on the lower surface of the storage portion 42 to the holding portion 50b of the lower frame attachment material 50. It is fixed to the mounting surface 50a. Further, the boss portion 42 b formed on the upper surface of the storage portion 42 is inserted and fixed to the holding portion 54 b of the upper frame attachment material 54, so that the screen unit 40 is attached to the unit mounting surface 54 a of the upper frame attachment material 54. Fixed.

  In this state, the lower end portion 42 a of the storage portion 42 has an upper end that is substantially the same height as the rail portion 11 b of the lower frame 11. That is, the lower end portion 42 a of the storage portion 42 is generally stored below the sill surface of the lower frame 11.

  FIG. 8 is a perspective view illustrating attachment of the lower screen door attachment material 51 to the lower frame attachment material 50. As shown in this figure, the lower screen door attachment material 51 includes a storage portion 42 of the screen door unit 40 and a notch 51d along the outer shape of the slide bar 41 so that it can be attached to the lower frame attachment material 50 from above. Has been. An engaging portion 51c is formed on the lower surface of the lower screen attachment material 51 so as to be engageable with the holding portion 50b of the lower frame attachment material 50, and is fixed to the lower frame attachment material 50. .

  As shown also in FIG. 5, the lower screen door attaching material 51 has a concave lower guide recess 51b formed in the longitudinal direction, and a rail member 52 is disposed in the lower guide recess 51b. The rail member 52 is attached so as to be slidable with respect to the bottom surface of the lower guide recess 51b. Also, the vicinity of the end of the lower guide recess 51b is cut out so that the opening is wide. As shown in FIG. 5, the rail member 52 has a groove portion 52b in which the opening portion 52a is formed in a narrow shape along the longitudinal direction, and the end portion of the rail member 52 becomes the groove portion 52b as the screen door 43 is pulled out. You will be guided inside. A peripheral edge locking portion 43a is formed at the end portion of the screen door 43 so that the end portion of the screen door 43 does not come out of the groove portion 52b when guided in the groove portion 52b.

  In addition, a slide portion 41 a having a shape along the inner peripheral surface of the guide recess 51 b of the lower screen door attachment material 51 is formed at the lower end portion of the slide bar 41. As a result, the slide bar 41 and the screen door 43 held by the slide bar 41 are guided to the guide recess 51 b of the lower screen door attachment material 51.

  In FIG. 9, the perspective view of the state which attached the lower screen door attachment material 51 to the lower frame attachment material 50 is shown. As shown in this figure, when the lower screen door attaching material 51 is attached to the lower frame attaching material 50, the rail member 52 is slid to push the end on the screen door unit 40 side into the slide portion 41a of the slide bar 41. And the edge part rail member 53 which has the length for the pushed in is attached.

  By assembling in this way, as shown in FIG. 5, the lower screen door attachment material 51 is attached to the upper surface of the lower frame attachment material 50, and the upper surface portion 51 a of the lower screen door attachment material 51 is the rail portion 11 b of the lower frame 11. The lower end part 42a of the storage part 42, which is substantially the same height as that of the storage part 42 and disposed below the upper end of the rail part 11b, is hidden by the lower screen door attaching material 51. Moreover, the edge part of the screen door 43 is arrange | positioned in the rail member 52, and the slide part 41a of the slide bar 41 is arrange | positioned in the lower guide recessed part 51b of the lower screen door attachment material 51, and is guided to these along a longitudinal direction. It has become.

  Also, the upper frame attachment material 54 and the upper screen door attachment material 55 attached to the upper frame 10 have the same configuration as the lower frame attachment material 50 and the lower screen door attachment material 51. That is, the upper screen door attachment material 55 is engaged and fixed to the holding portion 54b of the upper frame attachment material 54, a flat lower surface portion 55a is formed on the lower surface, and an upper guide recess 55b is formed on the outdoor side of the lower surface portion 55a. The rail member 52 is disposed in the upper guide recess 55b to guide the end of the screen door 43, and the upper end of the slide bar 41 is guided in the longitudinal direction by the upper guide recess 55b.

  According to the mounting structure of the screen door unit 40 of the present embodiment, the screen door unit 40 is easily fixed up and down by the lower frame attachment material 50 and the upper frame attachment material 54, and further by the lower screen door attachment material 51 and the upper screen door attachment material 55. The indoor inner peripheral surface of the screen door unit 40 can be configured as a flat surface. In particular, in the lower frame 11, the upper surface portion 51 a of the lower screen door attaching material 51 is made substantially the same height as the upper end of the rail portion 11 b, thereby making the sill surface of the lower frame 11 substantially flat from the indoor side to the outdoor side. Can do. Further, since the slide bar 41 and the screen door 43 are guided in the longitudinal direction by the lower guide recessed portion 51b of the lower screen door attaching material 51 and the upper guide recessed portion 55b of the upper screen door attaching material 55, the opening and closing of the screen door 43 by the screen door unit 40 is ensured. It can be carried out.

  Next, adjustment of the screen unit 40 in the storage unit 42 will be described. In FIG. 10, the perspective view of the lower part of the screen door unit 40 is shown. As shown in this figure, the screen door 43 is wound around a winding portion 42e rotatably supported by the lower end portion 42a of the storage portion 42. In the winding part 42e, the accommodation speed of the screen door 43 is adjusted by an adjusting part 42c provided on the lower surface of the lower end part 42a.

  Adjustment of the winding unit 42e is performed by rotating the adjustment unit 42c with a driver or the like. Thereby, the drawer speed of the screen door 43 can be adjusted. Since the adjustment part 42c which performs this adjustment is provided in the inside of the storage part 42, it cannot normally be operated. In order to operate the adjusting portion 42c, it is necessary to remove the removing portion 42d constituting the indoor surface of the storage portion 42 and the inner peripheral surface on the indoor side from the slide bar 41 as shown in FIG.

  As shown in FIG. 10, a locking portion 42 f and a rotation engaging portion 42 g are formed on the lower end portion 42 a of the storage portion 42 so as to protrude upward from the upper surface. The removal part 42d is fixed to the storage part 42 by engaging the end part on the slide bar 41 side with the engaging part 42f and engaging the end part on the opposite side with the rotation engaging part 42g. The The removal portion 42d has an abutting surface portion 42h facing the indoor side at the end portion on the slide bar 41 side, and is locked to the locking portion 42f on the outdoor side. Accordingly, the removal portion 42d can be easily detached with the abutting surface portion 42h without exposing the locking portion to the indoor side.

  To remove the detaching portion 42d from the storage portion 42, first, the locking of the detaching portion 42d with respect to the locking portion 42f is released as shown in FIG. 3, and the detaching portion 42d is rotated indoors around the rotation engaging portion 42g. Move. In order to adjust the adjustment part 42c, the removal part 42d may remain engaged with the rotation engagement part 42g, or the removal part 42d may be completely removed from the rotation engagement part 42g.

  As described above, the removal portion 42d is provided in a region other than the lower end portion 42a of the storage portion 42. As shown in FIG. 9, the lower end portion 42a is disposed below the lower screen door attaching material 51 and the detaching portion 42d is disposed above the lower screen door attaching material 51. Therefore, the detaching portion 42d is performed without removing the lower screen door attaching material 51 and the like. Can be removed and adjusted.

  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. In the present embodiment, the frame 1 is provided with the fixed shoji 2, the movable shoji 3 is provided on one side thereof, and the screen door unit 40 is provided on the outdoor side thereof. The present invention can be applied even to a sash provided with the shoji 3. In that case, the screen door unit 40 will be provided in the outdoor side of the left and right movable shoji 3 respectively. Further, in the present embodiment, the detaching portion 42d is configured to be completely detachable from the storage portion 42. However, the detachable portion 42d is supported so as to be rotated without being detached on the rotation engaging portion 42g side. Accordingly, the adjusting portion 42c may be operated by making the detachable portion 42d freely openable and closable.

It is a front view of the lower frame flat sash in this embodiment. It is a longitudinal cross-sectional view of a lower frame flat sash. It is a cross-sectional view of a lower frame flat sash. It is a perspective view of a screen door unit. It is a longitudinal cross-sectional view of the lower frame flat sash in the area | region where a screen door unit is attached. It is the longitudinal cross-sectional view showing attachment of the upper frame attachment material with respect to an upper frame and a lower frame, and a lower frame attachment material. It is the longitudinal cross-sectional view of the state which attached the upper frame attachment material and the lower frame attachment material to the upper frame and the lower frame, respectively, and also attached the screen door unit. It is a perspective view showing attachment of the lower screen door attachment material with respect to a lower frame attachment material. It is a perspective view of the state which attached the lower screen door attachment material to the lower frame attachment material. It is a perspective view of the lower part of a screen door unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame 2 Fixed shoji 3 Movable shoji 4 Fixed housing 5 Movable housing 6 Panel body 10 Upper frame 11 Lower frame 12 Vertical frame 13 Resin upper frame 14 Resin lower frame 15 Resin vertical frame 40 Screen door unit 41 Slide bar 42 Storage part 42a Lower end portion 42b Boss portion 42c Adjustment portion 42d Removal portion 43 Screen door 50 Lower frame attachment material 50a Unit attachment surface 50b Holding portion 51 Lower screen door attachment material 51a Upper surface portion 51b Lower guide recess 52 Rail member 54 Upper frame attachment material 54a Unit attachment surface 54b Holding portion 55 Upper screen door attachment material 55a Lower surface portion 55b Upper guide recess

Claims (3)

A shoji can be freely opened and closed in a frame provided in the opening of the building, a screen door unit is provided on the outdoor side of the shoji, and a lower frame constituting the frame includes a rail portion for running the shoji. In addition, in the lower frame flat sash in which the upper surface is formed substantially flat across the room,
The screen door unit includes a screen door, a slide bar provided over the top and bottom of the screen door, and a storage portion that can retract the screen door in a retractable manner, and the storage portion extends below the lower end of the screen door. Having a lower end, the lower end is embedded below the upper surface of the lower frame,
The lower frame flat sash is characterized in that the storage portion has an indoor surface other than the lower end portion and an inner peripheral surface on the indoor side from the slide bar that can be opened and closed or removed.   The lower end portion of the storage portion includes a rotation engagement portion that rotatably holds the end portion of the indoor surface of the removal portion, and the removal portion is rotatable toward the indoor side around the rotation engagement portion. The lower frame flat sash of Claim 1 characterized by the above-mentioned.   The slide bar side end of the removal portion has an abutting surface portion facing the indoor side, the abutting surface portion abuts on the slide bar, and the lower end of the storage portion on the outdoor side of the abutting surface portion. The lower frame flat sash according to claim 1, wherein the lower frame flat sash is fixedly engaged with the portion.

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