JP2014227780A - Double-hung window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double-hung window being high in fireproof performance in a bottom rail part of an inner sash.SOLUTION: The double-hung window comprises a frame body and the inner sash, and the frame body comprises a lower frame and a vertical frame, and forms a guide groove on the inner peripheral side of the vertical frame, and the inner sash vertically freely moves along the guide groove of the vertical frame, and comprises a bottom rail and a stile, and the stile is installed on the left-right ends of the bottom rail, and a tight material holder is erected on the indoor side of the lower frame, and a tight material installed in the tight material holder abuts on an indoor side part of the bottom rail in an inner sash-closed state, and the bottom rail comprises an edge material, and the edge material comprises a suspending piece opposed to an outdoor side surface of the tight material holder of the lower frame in the inner sash-closed state, and the left-right ends are swallowed in the guide groove of the vertical frame.

Description

  The present invention relates to a raising / lowering window having two shoji screens on the upper and lower sides.

  Conventionally, there are external and internal shojis, and at least there is a raising and lowering window that allows the internal reciprocating elements to move up and down. In some cases, it may be attached to a building frame or to a door. An example is shown in FIG. 8, and an opening is formed in the center of the door, and the external shoji 102a and the internal shoji 102b are attached to be movable up and down (the external shoji 102a and the internal shoji 102b are interlocked with each other). ). At the time of closing, the outer shoji 102a is on the upper side and the inner shoji 102b is on the lower side. Here, when focusing on the inner impingement 102b, as shown in FIG. 7, when closed, the lower arm 122b of the inner impingement 102b comes into contact with the tight material 116 provided on the lower frame 112, 131. The drooping piece 131 prevents rainwater from entering the outside of the room, and resin caps 130a are attached to the left and right ends. The resin cap 130a is connected to a wire 130 for interlocking the external obstacle 102a and the internal obstacle 102b.

  However, when such a conventional raising / lowering window is exposed to a flame in the event of a fire, the resin caps 130a on the left and right ends of the lower rod 122b melt, creating a gap between the vertical frame 113 and the lower rod 122b, and the flame enters. To do. Then, thermal expansion or rattling occurs in the lower frame 112 and the lower rod 122b, and further, the tight material 116 is melted, so that a gap is generated between the lower frame 112 and the lower rod 122b, and indoors and outdoors may be connected, leading to fire spread. was there.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a raising / lowering window having high fire resistance in the lower heel part of a shoji.

  The present invention includes a frame body and an inner impeller, the frame body has a lower frame and a vertical frame, and a guide groove is formed on the inner peripheral side of the vertical frame. It can move up and down along the guide groove, has a lower rod and a vertical rod, has vertical rods attached to the left and right ends of the lower rod, and stands a tight material holder on the indoor side of the lower frame The tight material attached to the tight material holder is in contact with the indoor side portion of the lower arm in the closed state, and the lower arm has an edge material. In the closed state, it has a hanging piece that opposes the outdoor side surface of the tight material holder of the lower frame, and the left and right ends are swept into the guide groove of the vertical frame.

  According to the present invention, since the left and right ends of the edge material attached to the lower heel are swallowed into the guide groove of the vertical frame, there is no gap between the vertical frame and the edge material when viewed from the expected direction, and droops in the event of a fire The piece protects the tight material from the flame heat and prevents the indoor and outdoor communication.

It is the outdoor side front view (A section of Drawing 2 (a)) of the lower end part of a shoji in the raising and lowering window of the present invention (screen door frame is omitted illustration). The door provided with a raising / lowering window is shown, (a) is an outdoor front view (screen door frame is not shown), and (b) is an indoor front view. It is a longitudinal cross-sectional view of the lower end part of the inner shoji. It is explanatory drawing which shows the positional relationship of an edge material and a connection member. It is a longitudinal cross-sectional view of a door provided with a raising / lowering window. It is a cross-sectional view of a door provided with a raising / lowering window. It is an outdoor side front view (the B section of Drawing 8 (a)) of the lower end part of the inner shoji in the conventional raising and lowering window (screen door frame is omitted illustration). The door provided with the conventional raising / lowering window is shown, (a) is an outdoor side front view (screen door frame is abbreviate | omitting illustration), (b) is an indoor side front view.

  Embodiments of the raising and lowering window of the present invention will be described below with reference to the drawings. The left-right direction refers to the left-right direction when the raising / lowering window is viewed from the outdoor side (FIG. 2A). Although this raising / lowering window may be attached to any place, here, the case where it attaches to the door for installing in a user's door etc. is shown. As shown in FIGS. 2, 5, and 6, the door includes the upper frame 11, the lower frame 12, and the left and right vertical frames 13 that form a frame body 1. The external shoji 2a and the internal shoji 2b are fitted. The left side is the door end side, the right side is the hanging side, and the right vertical frame 13 is attached to the housing by a hinge 10. The hinges 10 are arranged at equal intervals at the vertical center of the vertical frame 13 and at three locations above and below it. Each of the external shoji 2a and the inner shoji 2b has an upper collar 21a, 21b, a lower collar 22a, 22b, and left and right vertical collars 23a, 23b. The upper collar 21a, 21b and the lower collar 22a, 22b The vertical rods 23a and 23b are attached to the left and right ends, and are assembled into four rounds, and the glass panels 24a and 24b are accommodated on the inner peripheral side thereof. At the time of closing, the outer shoji 2a is on the upper side and the inner shoji 2b is on the lower side. The crescent lock 20 is provided on the upper side of the upper collar 21b of the inner limb 2b and can be locked when closed. In addition, each frame and each collar are made of an aluminum member on the outdoor side and a resin member on the indoor side.

  More specifically, as shown in FIG. 6, on the outdoor side of the inner peripheral side end portions of the left and right vertical frames 13, an outer peripheral side surface extending to the outdoor side and an outdoor side surface extending from the outdoor side end portion of the outer peripheral side surface to the inner peripheral side. The carrying-out part 13a which consists of this is formed, The expected width | variety of the inner peripheral side edge part of the vertical frame 13 is widened by this carrying-out part 13a. Two guide grooves 14a and 14b extending vertically are formed side by side on the inner peripheral side of the vertical frame 13 (and the take-out portion 13a). The guide grooves 14a and 14b have a substantially U-shaped cross section, and the guide groove 14a on the outdoor side is formed in the take-out portion 13a. The left and right ends (vertical rods 23a) of the outer obstacle 2a are accommodated in the outdoor guide groove 14a, and the left and right ends (vertical rods 23b) of the inner obstacle 2b are accommodated in the indoor guide groove 14b. And the inner shoji 2b is movable up and down. The outer shoji 2a and the inner shoji 2b are connected by a wire 30 so as to be interlocked. When one shoji is moved, the other shoji moves in the opposite direction by the same distance. Further, as shown in FIG. 5, a take-out portion 11 a composed of an outer peripheral side surface and an outdoor side surface is formed on the outdoor side of the inner peripheral side (lower side) end of the upper frame 11, similarly to the vertical frame 13. In the closed state of the external obstacle 2a, the upper end (upper collar 21a) of the external obstacle 2a is stored. Further, an extended piece 12 a extending outward is formed on the outdoor side of the inner peripheral side (upper) end of the lower frame 12.

  Further, as shown in FIG. 3, a standing piece 17 extending upward is formed on the indoor side (aluminum member portion) of the inner peripheral side (upper side) end of the lower frame 12. A tight material holder 15 is formed at the upper end. The tight material holder 15 has a groove shape that opens upward, and is fitted with a tight material 16. The tight material 16 is nonflammable, and in contact with the indoor side portion of the lower end (lower arm 22b) of the inner impingement 2b in a closed state of the inner impingement 2b, to ensure airtightness and water tightness. is there.

  And as shown in FIG.1 and FIG.3, the lower collar 22b of the inner impeller 2b has the edge material 3. As shown in FIG. The edge member 3 has a substantially L-shaped cross section including a horizontal piece 32 and a hanging piece 31 extending downward from the outdoor side end of the horizontal piece 32, and the horizontal piece 32 is screwed to the lower surface of the lower rod 22b. The expected width of the horizontal piece 32 is shorter than the expected width of the lower collar 22b, and is attached to the outside of the lower collar 22b, and does not interfere with the tight material 16 in the closed state of the inner shoji 2b. And the drooping piece 31 is located at the outdoor side end of the lower rod 22b, protrudes from the outdoor side surface of the lower rod 22b to the outdoor side by the expected thickness of the hanging piece 31, and the outdoor side surface and the surface of the vertical rod 23b. It is one. Moreover, the drooping piece 31 faces the outdoor side surface of the tight material holder 15 of the lower frame 12 in the closed state of the inner impeller 2b. Further, as shown in FIG. 1, the left and right width of the edge member 3 is longer than the left and right width of the lower rod 22 b, and the left and right ends of the edge member 3 are swept into the guide groove 14 b of the vertical frame 13. In addition, although the connection member 30a for connecting the wire 30 for interlocking the outer shoji 2a and the inner pouch 2b is attached to the lower end part of the vertical shaft 23b, as shown in FIG. It is engaged with the indoor side portion of the vertical rod 23b, and has a shape that does not interfere with the edge member 3 located on the outdoor side. Further, a groove-like foam material holder 33 that opens toward the indoor side is formed on the indoor side surface of the hanging piece 31, and the heating foam material 4 is fitted and attached thereto. On the other hand, a groove-like foam material holder 18 that opens toward the outdoor side is formed on the outdoor side of the standing piece 17 of the lower frame 12, and the heating foam material 4 is fitted and attached. The heated foam material 4 is foamed by being heated and expands in the thickness direction (perpendicular to the mounting surface). The heated foam material 4 is foamed in the event of a fire and has a gap between the lower frame 12 and the lower rod 22b. Block.

  According to the raising / lowering window configured in this manner, the left and right ends of the edge member 3 attached to the lower collar 22b of the inner limb 2b are sandwiched in the guide grooves 14b of the vertical frame 13, so that the vertical frame 13 is viewed from the expected direction. There is no gap between the edge member 3 and the edge member 3 (lower rod 22b), and the drooping piece 31 of the edge member 3 protects the tight member 16 from flame heat in the event of a fire. Further, the heating foam 4 is attached to the edge material 3 that is longer to the left and right than the lower collar 22b of the inner impeller 2b, and foamed in the event of a fire in combination with the heating foam 4 attached to the standing piece 17 of the lower frame 12. Covers the entire length of the lower end portion of the inner impeller 2b, and closes the gap caused by thermal expansion and rattling of the lower frame 12 and the lower collar 22b. Thus, it is possible to reliably prevent the indoor and outdoor communication at the lower end portion of the inner impingement 2b during a fire.

  As shown in FIGS. 5 and 6, the cover 5 is attached to the take-out portions 11 a and 13 a formed in the upper frame 11 and the vertical frame 13. The cover 5 has a prospective surface and a finding surface, and covers the outer peripheral side surface and the outdoor side surface of the take-out portions 11a and 13a, and the cover surface 5 and the outer peripheral side surface of the take-out portions 11a and 13a and A space portion 5a is formed between the finding surface of the cover 5 and the outdoor side surfaces of the take-out portions 11a and 13a. By this cover 5, the take-out portions 11a and 13a are not directly exposed to the flame, and furthermore, since there is the space portion 5a, the heat of the flame is not easily transmitted to the take-out portions 11a and 13a. Thus, the carry-out portions 11a and 13a are prevented from melting in the event of a fire, and the external shoji 2a is not dropped and the interior and the exterior are not communicated. A screen door frame 6 is attached to the outdoor side surface of the cover 5. The screen door frame body 6 prevents insects from entering when the raising and lowering windows are opened, and the outdoor side surface of the cover 5 is covered with the screen door frame body 6, so that the heat of the flame is transmitted to the take-out portions 11a and 13a. It becomes difficult. When the screen door frame 6 is directly attached to the take-out portions 11 a and 13 a, the load of the screen door frame 6 is concentrated on the tips of the take-out portions 11 a and 13 a, but when the screen door frame 6 is attached to the cover 5. The load of the screen door frame 6 is dispersed throughout the take-out portions 11a and 13a through the cover 5, and deformation of the take-out portions 11a and 13a is suppressed.

  Moreover, the panel support material 7 made of iron and having a U-shaped cross-section is attached to the entire circumference of the glass panels 24a and 24b of the external shoji 2a and the internal shoji 2b. This prevents the glass panels 24a and 24b from coming off when the sash is exposed to flame heat and the upper ridges 21a and 21b, the lower ridges 22a and 22b and the vertical ridges 23a and 23b are melted, and maintains the airtightness of the raised and lowered windows. Is to do.

  Furthermore, the reinforcing material 8 made of iron and having a U-shaped cross section is inserted into the hollow portion of each of the collars (upper collars 21a, 21b, lower collars 22a, 22b and longitudinal collars 23a, 23b) of the external shoji 2a and the inner shoji 2b. (Only the reinforcing member 8 of the upper collar 21a of the outer shoji 2a has an L-shaped cross section). The reinforcing member 8 extends over the entire length of each ridge and is screwed from the outside. This is to suppress the elongation of each heel when the sash is exposed to flame heat. Note that the edge member 3 is screwed to the reinforcing member 8 of the lower collar 22b of the inner impeller 2b, and the edge member 3 does not fall off even if the lower collar 22b is deformed or melted in a fire.

  In addition to the lower lid 22b portion of the inner shoji 2b, the inner side of each guide groove 14a, 14b, the inner side of the take-out portion 11a of the upper frame 11, the inner side of the upper cover 5, and the vertical hook 23a of each of the shojis 2a, 2b. , 23b, the inside of the panel support member 7, the indoor side surface of the lower collar 22a of the outer shoji 2a, and the outdoor side surface of the upper collar 21b of the inner shoji 2b, the heating foam material 4 is attached, and there is a gap in the event of a fire. Block it.

  The present invention is not limited to the above embodiment. For example, the external shoji and the internal shoji can be opened and closed independently, or the external shoji can be fixed. Moreover, it may replace with a screen door frame and may attach a lattice body. Furthermore, in addition to what is attached to a door, it may be attached to a building frame. In addition, the edge material may be one in which the horizontal piece extends to the indoor side end of the lower arm and the tight material contacts the horizontal piece. Further, the edge member may have any shape as long as it has a hanging piece, and may be screwed to the outdoor side surface of the lower eyelid.

DESCRIPTION OF SYMBOLS 1 Frame 2b Inner shovel 3 Edge material 12 Lower frame 13 Vertical frame 14b Guide groove 15 Tight material holder 16 Tight material 22b Lower rod 23b Vertical rod 31 Hanging piece

Claims (1)

  The frame includes a frame and a pouch, the frame has a lower frame and a vertical frame, and a guide groove is formed on the inner peripheral side of the vertical frame. It can move up and down along, has a lower rod and a vertical rod, has vertical rods attached to the left and right ends of the lower rod, and a tight material holder is erected on the indoor side of the lower frame, The tight material attached to the tight material holder is in contact with the indoor side portion of the lower arm in the closed state of the inner pouch, the lower arm has an edge material, and the edge material is lower in the closed state of the inner blade. A raising / lowering window characterized in that it has a hanging piece facing the outdoor side surface of the tight material holder of the frame, and the left and right ends are swallowed into the guide groove of the vertical frame.

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