JP6261963B2 - Joinery - Google Patents

Description

  The present invention relates to a joinery having a synthetic resin frame and a shoji that slides while being guided by the frame.

  As a joinery having a synthetic resin frame and a shoji that slides while being guided by the frame, for example, a composite having an engagement portion with a window ridge protruding from a wall portion located on the opening side in the frame A window frame is known that is formed by a four-frame frame made of a resin frame (see, for example, Patent Document 1). This window frame has a hollow structure, and a thermally expandable fireproof layer is provided in the vicinity of the inner wall surface of the wall portion located on the opening side in the frame. That is, a thermally expandable refractory material is provided in a hollow portion that is partly formed by a wall portion from which an engaging portion with a window ridge is projected.

Japanese Patent Laying-Open No. 2005-351209

  Since the window frame as described above is provided with a thermally expandable refractory material in the hollow portion of the window frame, the expanded refractory material remains in the hollow portion when heated by a fire or the like. At this time, since the engaging portion with the window ridge is provided outside the hollow portion, there is a possibility of melting. When the engaging portion with the window frame is melted and a gap is generated, there is a problem that the flame may penetrate through the gap to the opposite side of the window frame.

  This invention is made | formed in view of this subject, The place made into the objective is providing the fitting provided with the frame body made from a synthetic resin which is hard to penetrate even if exposed to a flame.

In order to achieve such an object, the joinery of the present invention has a frame made of a synthetic resin that is framed to form an opening, and a shoji that is guided by the frame to slide so that the opening can be opened and closed. The frame body is provided on the outer peripheral side thereof with an outer peripheral portion having a first hollow portion formed along the sliding direction of the shoji, and along the sliding direction accommodated in the first hollow portion, A nonflammable or flame retardant reinforcing member held by a housing, and a second hollow portion that protrudes from the outer peripheral portion toward the inner peripheral side of the frame body and is formed along the sliding direction to guide the shoji. An inner projecting portion, an incombustible or flame retardant flame-shielding member housed in the second hollow portion and provided along the sliding direction, and the inner projecting portion along the sliding direction together with the inner projecting portion and said projecting portion disposed in such lead and bets Wherein a shoji a fixed member non-flammable or flame retardant you guiding, to the fixing member, in a fitting, characterized in that it is fixed to the reinforcing member while supporting the flame blocking member is there.

  According to such a joinery, the second hollow portion that is provided in the inner projecting portion that projects from the outer peripheral portion toward the inner peripheral side of the frame body and guides the shoji is formed along the sliding direction, and is nonflammable or flame retardant. A flame shield member is accommodated, and the flame shield member is supported by a non-flammable or flame retardant fixing member arranged in connection with the inner protrusion along the sliding direction. It is fixed to a nonflammable or flame retardant reinforcing member that is accommodated in the first hollow portion and held by the housing. For this reason, even if the joinery is exposed to a flame and heated to melt the synthetic resin frame, the flame shield member is supported by a fixing member fixed to the reinforcing member held by the housing. It is possible to prevent the flame from penetrating in the expected direction from between the frame and the shoji. For this reason, it is possible to provide a joinery including a synthetic resin frame that hardly penetrates even when exposed to a flame.

In this joinery, it is desirable that the fixing member is provided at a position facing the door butt side portion of the shoji in a state in which the opening is closed in a prospective direction.
According to such a joinery, since the nonflammable or flame-retardant fixing member is provided at a position facing the door butt side portion of the shoji with the opening closed in the prospective direction, the door butt of the shoji It is possible to prevent the flame from penetrating at the boundary between the inside and the outside of the opening.

In such a joinery, on the outer peripheral side of the fixing member, a slit is provided along the sliding direction, and on the inner peripheral side of the flame shield member, a concave portion that is recessed on the outer peripheral side is provided, It is preferable that the flame shield member is inserted into the slit, and the edge portion in the sliding direction of the concave portion is engaged and positioned with the edge portion in the sliding direction of the fixing member.
According to such a joinery, the edge in the sliding direction of the recess provided in the flame shield member at the edge in the sliding direction of the fixing member inserted into the slit in the sliding direction provided on the outer peripheral side of the fixing member Since the portions engage with each other, the flame shield member can be positioned in the sliding direction, and the movement of the flame shield member can be restricted.

In the foregoing joinery, the fixing member, of the slit in which the flame blocking member is inserted, it is desirable that the more immobilized on a solid Teigu Te on both sides in the expected direction.
According to such a joinery, since the fixing member is fixed on both sides in the prospective direction of the slit into which the flame shielding member is inserted, the flame shielding member does not come off from the fixing member and is more reliably fixed. It is possible to support the flame shield member.

In such a joinery, it is preferable that the flame shield member is provided with a heat-foaming refractory material at a position facing the shoji in the expected direction when the shoji is closed.
According to such a joinery, the flame shield member is provided with the heat-foaming refractory material at the portion facing the shoji with the opening closed, so that the joinery is heated by being exposed to the flame. Is filled with a heat-foaming refractory material in which the heat-foaming refractory material is expanded and the space between the flame shield and the shoji is expanded. For this reason, it is possible to provide a joinery in which the flame is less likely to penetrate.

In this fitting, the inner projecting portion serves as a housing portion in which a peripheral portion of the shoji is accommodated, and the flame shield member is located on one side where the shoji is positioned in a prospective direction when the shoji is closed. A thermally foamable refractory material may be provided.
According to such a joinery, the heat-foaming refractory material on one side of the flame shield member housed in the inner projecting portion constituting the housing portion in which the peripheral portion of the shoji is housed is located where the shoji with the opening closed is located. Therefore, when the joinery is heated by being exposed to a flame, the heat-foamable refractory material is foamed, and the space between the flame shield member and the shoji is filled with the heat-foamable refractory material. For this reason, it is possible to provide a joinery in which the flame is less likely to penetrate.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the joinery provided with the synthetic resin frame which is hard to penetrate even if exposed to a flame.

It is the external view which looked at the fitting which concerns on this embodiment from the indoor side. It is a longitudinal section showing the fitting concerning this embodiment. It is a longitudinal cross-sectional view which shows the upper part side of joinery. It is a perspective view which shows the structure of the summoning part of an upper frame. It is a perspective view which shows the structure of the attaching part of a flame-shielding member. It is the figure which looked at the upper frame in which the flame-shielding member, the relay member, and the suspension member were provided from the downward direction. It is a longitudinal cross-sectional view which shows the lower part side of a fitting. It is a cross-sectional view which shows the fitting concerning this embodiment. It is a cross-sectional view showing the left end side of the joinery. It is a cross-sectional view which shows the right end side of joinery. It is a cross-sectional view which shows the summoning part of joinery.

  Hereinafter, a fitting according to an embodiment of the present invention will be described with reference to the drawings.

  In the present embodiment, as a fitting having a frame body that is provided at an indoor / outdoor boundary and forms an opening, and a shoji that is guided by the frame body and slides so that the opening can be opened and closed, as shown in FIG. An explanation will be given by taking a draw-type joinery as an example.

  The joinery 1 of this embodiment is made of a synthetic resin that forms two openings 3, 4 that can be moved by a sliding method, and an opening 10 a that is attached to the housing 2 and can be closed by the two pieces 3, 4. Frame body 10.

  In the following description, when the fitting 1 to which the housing 2 is attached is viewed from the indoor side, the up and down direction is the up and down direction, the left and right direction is the left and right direction, and the depth direction that is the indoor and outdoor direction is the prospective direction. In addition, in the in-plane direction of the frame 10, the center side of the opening 10a is shown as the inner peripheral side, and the outer side of the opening 10a is shown as the outer peripheral side. Moreover, about each member and each part which comprise the fitting 1, even if it is a single-piece | unit state, the direction used as an up-down direction, a left-right direction, a prospective direction, etc. in the state to which the fitting 1 was attached, and the inner periphery of a frame A direction is specified and explained on the side and the outer peripheral side.

  The frame body 10 is formed by four synthetic resin-made extruded members having the same cross-sectional shape, which are framed in a rectangular shape so as to form an upper frame 11, a lower frame 12, a left frame 13, and a right frame 14. Yes. As shown in FIG. 1, the upper frame 11, the lower frame 12, the left frame 13, and the right frame 14 are each cut at a predetermined length at 45 degrees and are abutted and welded to each other.

  Since the upper frame 11, the lower frame 12, the left frame 13, and the right frame 14 have the same cross-sectional shape, here, the structures of the upper frame 11, the lower frame 12, the left frame 13, and the right frame 14 are mainly described. The upper frame 11 will be described as an example. Further, in the following description and drawings, the same parts as those of the upper frame 11 in the lower frame 12, the left frame 13, and the right frame 14 are the same after the numbers indicating the lower frame 12 and the vertical frames 13, 14, respectively. It shall be indicated with a symbol attached with an alphabet.

  As shown in FIGS. 2 and 3, the upper frame 11 includes a frame main body portion 11a having three hollow portions penetrating in the left-right direction and arranged side by side in the prospective direction, and the frame main body portion 11a and the center side of the opening 10a. A main body inner plate part 11b having a flat surface facing the inner wall part 11b, an inner wall part 11c hanging downward from the indoor side end of the main body inner plate part 11b, and a lower part from the outdoor end of the main body inner plate part 11b. The central wall as an inner projecting portion projecting from the main body inner plate portion 11b to the inner peripheral side of the frame body 10 so as to partition the outer wall portion 11d and the inner wall portion 11c and the outer wall portion 11d into two regions in the prospective direction. An interior part which is provided on a frame 11 serving as an interior material provided on a surface facing the interior of the part 11e, a frame fixing part 11g which is provided on the upper surface 11f of the frame main body part 11a and is fixed to the casing 2, and an inner wall part 11c. Material fixing part 11h. Here, the main body inner plate portion 11 b of the upper frame 11 and the portion above the main body inner plate portion 11 b, that is, the outer peripheral side of the frame body 10 from the main body inner plate portion 11 b correspond to the outer peripheral portion of the frame body 10.

  The inner wall 11c, the central wall 11e, and the main body inner plate 11b are formed in the interior groove 11i that is recessed upward. It is guided by the portion 11c and the central wall portion 11e, is formed from the outer wall portion 11d, the central wall portion 11e, and the main body inner plate portion 11b. The movement of the external shoji 4 in the left-right direction is guided by the outer wall portion 11d and the central wall portion 11e. Here, like the indoor groove 11i and the outdoor groove 11j, the grooves provided so as to be recessed on the outer peripheral side of the frame body 10 correspond to the accommodating portions in which the peripheral portions of the shojis 3 and 4 are accommodated.

  The three hollow portions of the frame main body portion 11a are formed such that a central hollow portion 11k serving as a first hollow portion located in the center in the prospective direction is larger than the indoor-side and outdoor-side end hollow portions 11n. The central hollow portion 11k is provided over the indoor side groove portion 11i and the outdoor side groove portion 11j provided on the lower side across the main body inner plate portion 11b.

  The frame fixing part 11g is a fin-like part protruding above the central hollow part 11k, and the interior material fixing part 11h is an inner wall on the center side of the opening 10a from the main body inner plate part 11b of the frame main body part 11a. This is a fin-like portion protruding from the portion 11c to the indoor side. In the present embodiment, the housing fixing portion 11g is provided so as to be biased toward the indoor side of the central hollow portion 11k.

  In the main body outer plate portion 11l facing the main body inner plate portion 11b of the central hollow portion 11k, a stepped portion 11m recessed inside the central hollow portion 11k is biased toward the indoor side of the central hollow portion 11k. In the position. In this stepped portion 11m, a non-combustible metal first frame side reinforcing member 20 provided in the central hollow portion 11k and a reinforcing member joint of a connecting fitting 21 screwed to the housing 2 together with the housing fixing portion 11g. The head of the screw 40 which joins the part 21a via the main body outer plate part 11l is accommodated.

  The first frame-side reinforcing member 20 includes an inner facing portion 20a facing the lower surface of a portion of the main body outer plate portion 11l forming the stepped portion 11m, and a prospective direction of the main body inner plate portion 11b in the central hollow portion 11k. The lower facing portion 20b facing almost the entire region, the upper and lower joining wall portions 20c that vertically connect the indoor facing ends of the inner facing portion 20a and the lower facing portion 20b, and the outdoor end portion of the lower facing portion 20b. And an upwardly extending portion 20d extending upward. Here, the width in the left-right direction of the connecting fitting 21 is formed to be sufficiently narrower than the width that can be screwed, that is, the width in the left-right direction of the upper frame 11, and the first frame-side reinforcing member 20 is 11 is provided over almost the entire region in the left-right direction.

  The central wall portion 11e of the upper frame 11 has an inner peripheral hollow portion 11o as a second hollow portion penetrating in the left-right direction. Further, when the opening 10a is closed by the shoji 3 and 4, the central wall portion 11e of the upper frame 11 is such that the summing rods 34 and 44 on the door bottom side of the shoji 3 and 4 face the prospective direction. The part located in the summoning section 10b is cut out as shown in FIGS. That is, the central wall portion 11e is provided on both the left and right sides with the excised part interposed therebetween. In the inner peripheral hollow portion 11o of the two central wall portions 11e provided on the left and right sides, a metal flame shield member 16 is provided so as to extend over almost the entire region in the left-right direction, that is, so as to penetrate through the two central wall portions 11e. Is provided.

  In order to reinforce the flame shield wall portion 16a and the flame shield wall portion 16a which are arranged substantially vertically so that the cross section has a U-shape, the flame shield member 16 is provided from the upper and lower ends of the flame shield wall portion 16a. And a reinforcing piece 16b extending to the outdoor side. When the flame shield member 16 is arranged so as to extend within the two central wall portions 11e, the inner peripheral side of the portion located at the cut-out portion of the central wall portion 11e is cut out and recessed toward the outer peripheral side. A notch 16c as a recess is provided.

  In the upper frame 11, the flame shield member 16 provided in the central wall portion 11 e located between the two shoji 3 and 4 has a flame shield wall 16 a with the two shoji 3 and 4 closed. A thermal expansive graphite 38 as a heat-foaming refractory material is provided on the surface facing the respective shoji 3, 4 side. More specifically, as shown in FIG. 5, the flame shield member 16 is positioned on the right side of the notch portion 16 c that engages with the relay member 22 positioned at the summing portion of the inner and outer obstacles 3 and 4. A thermally expansive graphite 38 is provided on the side of the interior of the part that is on the inner impingement 3 side, and a thermally expansive graphite 38 is provided on the outer side of the part that is located on the left side of the notch 16c. Yes.

  A relay member 22 as a nonflammable fixing member is attached to a portion between the two central wall portions 11e where the central wall portion 11e is cut off so that the divided central wall portion 11e is connected.

  The relay member 22 has a frame fixing portion 22a fixed to the upper frame 11, and a relay main body portion 22b protruding from the center of the prospective direction of the frame fixing portion 22a. A windshield member fitting portion 22c to which a resin windshield member 24 is fitted is provided, and a relay main body is provided along the left-right direction at a portion facing the main body inner plate portion 11b on the outer peripheral side of the relay member 22. A slit 22g that is recessed toward the portion 22b and that accommodates the flame shield member 16 is formed. The expected width of the slit 22g is slightly wider than the expected width of the flame shield member 16.

  The flame shield member 16 is engaged with the relay member 22 so that the outer peripheral side of the notch portion 16c is accommodated in the slit 22g, and is screwed into the first frame side reinforcing member 20 via the main body inner plate portion 11b of the summing portion 10b. Stopped. In the relay member 22 in which the flame shield member 16 is accommodated and fixed in the slit 22g, the left and right edges 16d of the notch 16c and the left and right edges 22h of the relay member 22 face each other with a slight gap therebetween. By engaging with the flame shield member 16 as described above, the movement of the flame shield member 16 in the left-right direction is restricted.

  The relay member 22 attached to the upper frame 11 can hold the shoji 3 and 4 while holding the flame shield 16 even when the shoji 3 and 4 are heated and melted by a flame or the like. It is screwed together with a nonflammable hanging metal fitting 23 provided so as to be able to. Further, the thermal expansion between the lower facing portion 20b of the first frame side reinforcing member 20 and the main body inner plate portion 11b in which the relay member 22 and the hanging metal fitting 23 are screwed via the main body inner plate portion 11b is performed. The characteristic graphite 38 is provided.

  When the relay member 22 is fixed to the upper frame 11, one side and the other side of the central wall part 11e divided by the summing part 10b are connected by the relay main body part 22b, and the windshield member 24 is connected to the central wall. It is comprised so that it may protrude in the center side of the opening 10a from the part 11e.

  In the frame fixing portion 22a of the relay member 22 fixed to the upper frame 11, the central portion 22d provided with the relay main body portion 22b is located on the indoor side and the outdoor side from the central portion 22d, and the fixing screw penetrates. It is formed thicker than the side part 22f provided with the hole 22e. For this reason, when the center portion 22 d is brought into contact with the upper frame 11, a gap is formed between the side portions 22 f and the upper frame 11. A fixing portion 23 a of the hanging metal fitting 23 is interposed in the gap, and the hanging metal fitting 23 is screwed to the lower facing portion 20 b of the first frame side reinforcing member 20 together with the relay member 22.

  The hanging metal fitting 23 has a fixing part 23a interposed in a gap between the side part 22f of the frame fixing part 22a of the relay member 22 and the upper frame 11, and a central wall part 11e that is suspended from the fixing part 23a. And an opposing wall portion 23b opposed to each other with a gap in the direction, and a hook-like portion 23c provided at the lower end of the opposing wall portion 23b and engaged with a nonflammable hook fitting 36 provided on the shoji 3 and 4. doing.

  The opposing wall portion 23b of the hanging metal fitting 23 is disposed slightly biased toward the inner wall portion 11c and the outer wall portion 11d side from the center in the prospective direction of the indoor side groove portion 11i and the outdoor side groove portion 11j when attached to the upper frame 11. The hook-shaped part 23c is formed so as to be located at the approximate center of the indoor side groove part 11i and the outdoor side groove part 11j in the prospective direction. The hanging metal fitting 23 is attached so that the hook-like part 23c protrudes downward to substantially the same position as the central wall part 11e, and the hook-like part 23c and the central wall part 11e are spaced from each other in the prospective direction. . Further, on the surface facing the central wall portion 11e of the opposing wall portion 23b of each hanging metal fitting 23, the thermally expandable graphite 38 is provided at a portion above the hook metal fitting 36 provided in the indoor side groove portion 11i and the outdoor side groove portion 11j. Is provided.

  As shown in FIG. 6, the width of the hanging bracket 23 is formed wider than the width of the relay member 22 in the left-right direction, and is suspended from the portion overlapping the fixing portion 23 a of the relay member 22. It is extended to the door end side of the shoji 3 and 4, respectively.

  As shown in FIG. 7, a door wheel 60 provided in the inner and outer shojis 3 and 4 is placed in the indoor-side groove 12 i and the outdoor-side groove 12 j of the lower frame 12 to guide the inner and outer children 3 and 4. A rail member 15 having a rail 15a is provided. The rail member 15 is an aluminum extruded member, and is provided over the entire length of the lower frame 12.

  A second frame side reinforcing member 120 is provided in the central hollow portion 12 k of the lower frame 12. The second frame side reinforcing member 120 is provided with an inner facing plate portion 120a facing the main body inner plate portion 12b, and two extending portions provided at an interval in the prospective direction and extending from the inner facing plate portion 120a to the outer peripheral side. From the projecting part 120b, the two groove parts 120c for screwing formed to be shared with the extending part 120b and recessed from the inner facing plate part 120a to the outer peripheral side, and from the front end side of the extending part 120b provided on the indoor side It has a fixed piece 120d that extends to the indoor side and is screwed to face the step portion 12m. The distance in the prospective direction between the two groove portions 120c coincides with the distance between the through holes 22e of the fixing screws provided in the relay member 22.

  As shown in FIGS. 8 and 9, a first frame side reinforcing member 20 is provided in the central hollow portion 13 k of the left frame 13, as in the case of the upper frame 11. The first frame side reinforcing member 20 provided in the central hollow portion 13k and the main body outer plate portion 13l are joined together and screwed to the housing 2 together with the housing fixing portion 13g, and the housing 2 and the first frame side reinforcing member 20 are joined. And are connected.

  The outer-side groove portion 13j of the left frame 13 is provided with a non-flammable metal engaging member 25 that engages with the outer shoji 4 and is provided in the central hollow portion 13k via the main body inner plate portion 13b. Screwed to the first frame side reinforcing member 20. The first frame-side reinforcing member 20 in the central hollow portion 13k has a thermally expandable graphite 38 extending from the position corresponding to the back side of the central wall portion 13e on the outer peripheral side (left side) surface of the inner facing portion 20a to the outdoor portion. Is provided over the entire region in the longitudinal direction.

  As shown in FIGS. 8 and 10, a second frame side reinforcing member 120 similar to the lower frame 12 is provided in the central hollow portion 14 k of the right frame 14, and the right frame 14 is The second frame side reinforcing member 120 provided in the central hollow portion 14k is joined to the main body outer plate portion 14l and is screwed to the casing 2 together with the casing fixing portion 14g to be fixed to the casing 2 and the second frame side reinforcing member 120. And are connected.

  The indoor side groove portion 14i of the right frame 14 is provided with a metal engaging member 25 that engages with the inner shroud 3, and one of the second frame side reinforcing members 120 is interposed via the main body inner plate portion 14b. Screwed to the groove 120c. The engagement member 25 provided on the left frame 13 has the engagement piece 25a with the distal end protruding to substantially the same position as the distal ends of the outer wall portion 13d and the central wall portion 13e. 25, the tip of the engagement piece 25a protrudes to substantially the same position as the tips of the inner wall portion 14c and the central wall portion 14e.

  The engaging member 25 is an aluminum member having an L-shaped cross section, and the engaging member 25 fixed to the left frame 13 and the engaging member 25 fixed to the right frame 14 are the same member. is there. The engaging member 25 has an L-shaped engagement piece 25a that engages with the inner shroud 3 or the outer obstacle 4 and a fixing piece 25b that is orthogonal to the engagement piece 25a and abuts against the left frame 13 and the right frame 14. It is formed to make.

  When the fixing piece 25b is screwed to the first frame side reinforcing member 20 or the second frame side reinforcing member 120 via the main body inner plate portions 13b and 14b, the engaging piece 25a is connected to the outdoor groove portion. 13j or the indoor groove 14i is arranged so as to protrude toward the center of the opening 10a at the approximate center in the prospective direction. The engagement piece 25a is formed such that the expected thickness of the portion excluding the base end and the tip on the fixed piece 25b side is thinner than the base end and the tip, and is open to the indoor side and the outdoor side. A recess is provided, and the thermally expandable graphite 38 is provided in the recess over the entire region in the longitudinal direction.

  The inner shoji 3 and the outer shoji 4 are rectangular housings 35 and 45, a multi-layer glass 7 provided in a region surrounded by the housings 35 and 45, and the multi-layer glass 7 on the outdoor side. And a pressing edge 8 to be pressed from. In addition, the summon 34 for the inner shoji 3 is provided with a crescent lock 50 for locking the shoji 3, 4 near the center in the vertical direction. A receiving member 51 that engages with the lock 50 is provided.

  The casings 35 and 45 have three cross-sectional shapes different from those of the upper casing 31 and 41, the lower casing 32 and 42, and the door end casings 33 and 43, which are three synthetic resin-made extruded members having the same sectional shape. It has summoning bowls 34 and 44 made of synthetic resin. The upper rods 31 and 41, the lower rods 32 and 42, the door rods 33 and 43, and the summoning rods 34 and 44 have the rod main bodies 35b and 45b having the hollow housing portions 35a and 45a penetrating in the longitudinal direction, respectively. And provided with inner projecting portions 35c and 45c projecting from the end portions on the inner side of the rod main bodies 35b and 45b to the inner peripheral side over the entire region in the longitudinal direction. At the ends, fitting recesses 35d and 45d are provided in which the hollow pressing edges 8 are fitted in the housing hollow portions 35a and 45a.

  The upper rods 31 and 41, the lower rods 32 and 42, the door rods 33 and 43, and the summoning rods 34 and 44 are cut at a predetermined length at 45 degrees, and are provided in common. The heel main bodies 35b and 45b and the inner projecting portions 35c and 45c are abutted and welded to each other. The upper rods 31 and 41, the lower rods 32 and 42, the door rods 33 and 43, and the summon rods 34 and 44 are incombustible in the respective hollow body portions 35a and 45a when being welded. A certain metal side reinforcing member 27 is accommodated. The heel-side reinforcing member 27 is a metal member having a U-shaped cross section with two opposing wall portions 27a and a connecting portion 27b that connects two end portions of the wall portion 27a to each other. The open side of the shape is arranged so as to face the indoor side. The connecting portion 27b of the heel side reinforcing member 27 is located on the indoor side from the fitting recesses 35d and 45d, and the thermally expandable graphite 38 is provided on the front and back surfaces at positions not facing the fitting recesses 35d and 45d of the connecting portion 27b. Is provided over the entire region in the longitudinal direction.

  The heel side reinforcing member 27 accommodated in each of the housing hollow portions 35a, 45a is arranged on one wall portion 27a on the inner peripheral side of the housings 35, 45, that is, the upper heels 31, 41, the lower heels 32, 42. And the holding | maintenance metal fitting 28 which hold | maintains the multi-layer glass 7 is screwed in the inner peripheral side from the collar main bodies 35b and 45b of the door-end collars 33 and 43. As shown in FIG.

  On the outer peripheral side of the upper rods 31, 41, the lower rods 32, 42, and the door rods 33, 43, inner peripheral protrusions 35e, 45e protruding outward from the indoor side and the outdoor side of the rod main bodies 35b, 45b, and The outer peripheral projections 35f and 45f are provided at a distance from each other in the prospective direction. That is, on the outer peripheral side of the upper rods 31, 41, the lower rods 32, 42, and the door rods 33, 43, the rod main bodies 35b, 45b, the inner peripheral protrusions 35e, 45e, and the outer peripheral protrusions 35f, 45f And the gutter | side groove | channel part 35g, 45g dented in the inner peripheral side of the gadget bodies 35 and 45 is provided.

  On the inner peripheral surface of each heel side groove 35g, 45g of the upper ledge 31, 41, lower ledge 32, 42, and door ledge 33, 43, a flame shield metal fitting 29 is provided over the entire area in the longitudinal direction. It is screwed to the heel side reinforcing member 27 accommodated in the housing hollow portions 35a and 45a. Further, in the heel side grooves 35g and 45g of the upper rods 31 and 41, the hanging metal fittings are provided at the positions facing the hanging metal fittings 23 provided on the upper frame 11 on the summing portion side of the upper rods 31 and 41. A hook fitting 36 having a hook portion 36 a that can be engaged with the flange-like portion 23 c of 23 is screwed to the flange-side reinforcing member 27 together with the flame shield fitting 29. That is, the hook fittings 36 are provided on the summing side at the upper ends of the inner and outer children 3 and 4 respectively.

  The hanging metal fitting 23 and the hook metal fitting 36 usually move at an interval without contacting and engaging with each other. And when the opening 10a is closed by the inner limb 3 and the outer limb 4, the frame 10 and the casing 35 are softened and melted by the flame or the like, and the inner limb 3 and the outer limb 4 are lowered. The hanging metal fitting 23 and the hook metal fitting 36 are engaged with each other so that the inner and outer children 3 and 4 are held.

  Along the inner surface of the flame shield metal fitting 29 along the inner surface of the inner peripheral protrusion 35e that forms the heel-side groove 35g of the inner shoji 3 and the inner surface of the outer outer protrusion 45f that forms the heel-side groove 45g of the outer shoji 4. On the surface of the flame shield metal fitting 29, a heat-expandable graphite 38 is provided over the entire area of the upper rods 31, 41, the lower rods 32, 42, and the door rods 33, 43. In addition, an attracting member 37 is provided inside the flame shield 29 of the door rods 33 and 43 of the inner and outer children 3 and 4, and the opening 10 a is closed by the inner and outer children 3 and 4. In addition, the engaging pieces 25a of the engaging members 25 attached to the left frame 13 and the right frame 14 are inserted into the side groove portions 35g and 45g of the door end rods 33 and 43, and are engaged in the side groove portions 35g and 45g. The joining piece 25a and the attracting member 37 are engaged.

  As shown in FIG. 11, the metal heel side reinforcing member 271 having a U-shaped cross section between the two wall portions 271 a and the connecting portion 271 b also in the heel side groove portions 35 g and 45 g of the summon bars 34 and 44. Is provided. Unlike the upper rods 31, 41, the lower rods 32, 42, and the door rods 33, 43, the summon rods 34, 44 do not engage with the frame except for the upper and lower ends even when the shoji is closed. Warpage is likely to occur. For this reason, the heel side reinforcement member 271 which is higher in rigidity than the heel side reinforcement member 27 provided on the upper rods 31 and 41, the lower rods 32 and 42, and the door end rods 33 and 43, specifically, is thick. Is provided. The heel side reinforcing member 271 is arranged so that the U-shaped opened side faces the door butt side. One wall portion 271a of the heel-side reinforcing member 271 is located on the indoor side from the fitting recesses 35d and 45d, and at a position not facing the fitting recesses 35d and 45d, the external shoji is on the indoor side, and the inner pouch is on the outdoor side. In addition, a thermally expandable graphite 38 is provided over the entire region in the longitudinal direction.

  According to the joinery 1 of this embodiment, the inner peripheral hollow formed along the sliding direction provided in the central wall portion 11e that protrudes from the main body inner plate portion 11b to the inner peripheral side of the frame body 10 and guides the shoji 3 and 4. A metal flame shield member 16 is accommodated in the portion 11o, and the flame shield member 16 is supported by a relay member 22 arranged so as to be connected to the central wall portion 11e along the slide direction. The first frame side reinforcing member 20 accommodated in the central hollow portion 11k and held by the housing 2 is fixed by a metal fixture, for example, a screw 26. For this reason, even if the joinery 1 is exposed to a flame and heated to melt the synthetic resin frame 10, the flame shield member 16 is fixed to the first frame-side reinforcing member 20 held by the housing 2. Since it is supported by the relay member 22, it is possible to prevent the flame from penetrating in the expected direction from between the frame body 10 and the shoji 3 and 4. For this reason, it is possible to provide the fitting 1 provided with the synthetic resin frame 10 that is difficult to penetrate even when exposed to a flame.

  In addition, since the metal relay member 22 is provided at a position facing the door butt side of the shoji 3 and 4 with the opening 10a closed, the room becomes the door butt side of the shoji 3 and 4. It is possible to prevent the flame from penetrating at the outer boundary.

  Further, it is inserted into the slit 22g along the left-right direction provided on the outer peripheral side of the relay member 22, and in the left-right direction of the notch 16c provided in the flame shield member 16 at the edge 22h in the left-right direction of the relay member 22. Since the edge 16d is engaged, the flame shield member 16 can be positioned in the left-right direction, and the movement of the flame shield member 16 can be restricted.

  Further, since the relay member 22 is fixed on both sides in the prospective direction of the slit 22g in which the flame shield member 16 is inserted, it is possible to prevent the flame shield member 16 from being detached from the relay member 22. .

  Moreover, since the heat-expandable graphite 38 is provided in the part which opposes the shoji 3 and 4 of the state which closed the opening 10a in the flame-shielding member 16, when the fitting 1 is exposed to a flame and heated, The thermally expandable graphite 38 is expanded and the space between the flame shield member 16 and the shoji 3 and 4 is filled with expanded graphite. For this reason, it is possible to provide the joinery 1 which a flame does not penetrate more easily.

  Moreover, the shoji 3 and 4 of the state which closed the opening 10a of the flame-shielding member 16 accommodated in the center side wall part 11e which forms the indoor side groove part 11i and the outdoor side groove part 11j in which the peripheral part of the shoji 3 and 4 is accommodated. Since the thermally expandable graphite 38 is provided on one side where the heat expandable graphite is positioned, the thermally expandable graphite 38 expands when the joinery 1 is heated by being exposed to a flame, and the flame shield member 16 and the shoji 3, 4 The space between and is filled with expanded graphite. For this reason, it is possible to provide the joinery 1 which a flame does not penetrate more easily.

  In the said embodiment, although the example which provided the flame-shielding member 16 in the center wall part 11e of the upper frame 11 was demonstrated, the lower frame 12 is also equipped with a flame-shielding member, or flame-shielding also to the left and right vertical frames You may provide a member. Moreover, although the example which provided the relay member 22 which supports the flame-shielding member 16 in the summoning part was demonstrated, not only this but if a flame-shielding member can be supported, it will provide in other places, or multiple provision It doesn't matter. For example, when a flame shield member is provided on a vertical frame of a door frame having a sliding-type shoji, the relay member 22 is provided at the upper and lower ends to support the flame shield member, so that the shield provided on the vertical frame is provided. It is possible to support the flame member along the vertical frame.

  Moreover, in the said embodiment, the central wall part 11e which protrudes from the main body inner-plate part 11b to the inner peripheral side of the frame 10 and guides the shoji 3 and 4 and accommodates the flame-shielding member 16 is a nadir in the prospective direction. Although the example which comprises the indoor side groove part 11i and the outdoor side groove part 11j which were provided between 3 and the external shoji 4 and in which the peripheral part of the internal shunt 3 and the external shoji 4 is accommodated was demonstrated, the center wall part 11e is It may be configured to form rails for inner and outer shoji.

  In the above-described embodiment, the drawing-type fitting provided with the inner and outer slides 3 and 4 that slide in the left-right direction is described as an example, but the present invention is not limited thereto. For example, a sliding window with three or more sliding screens sliding left and right, a double-sleeved sliding window, a drawing window, and an area inside the frame are divided by vertical bones, and one of the divided areas is a FIX window or wall. It may be a sliding window. In the case of the sliding window, the part where the part on the door bottom side of the shoji and the vertical bone face each other is the summing part. Moreover, the center wall part 11e which protrudes in the inner peripheral side of the frame 10 may be provided in a vertical frame, and may be a raising / lowering window which a shoji slides in an up-down direction. In this case, a flame shielding member is provided in the central wall portion 11e provided in the vertical frame as in the state in which the frame body 10 is rotated 90 degrees, and is relayed to the substantially central summing portion in the vertical direction. A member is provided.

  In the above embodiment, the example in which the hanging metal fitting 23 and the hook metal fitting 36 that engages with the hanging metal fitting 23 are provided in the summing portion 10b of the inner shoji 3 and the outer shoji 4 is not limited thereto. It may be provided on the door 10 side of the part 10b and the inner shoji 3 and the outer shoji 4, respectively.

  In the above embodiment, the flame shield member 16, the first frame side reinforcing member 20, and the heel side reinforcing member 27 are made of nonflammable metal, but of course, nonflammable metals such as iron and stainless steel, etc. First, the surface is carbonized by a fire, and the reinforcing member may be composed of a flame retardant material such as MDF or wood, for example, by delaying the burning inside due to the heat insulation effect of the carbonized surface. . Further, a reinforcing material composed of a combination of the above-described metal material and wood may be used.

  Moreover, although the relay member 22, the hanging metal fitting 23, and the hook metal fitting 36 are made of non-combustible metal, not only non-combustible metal such as iron and stainless steel but also a flame-retardant member that takes time to burn. You may comprise.

  In addition, the said embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention. The present invention can be changed and improved without departing from the gist thereof, and it is needless to say that the present invention includes equivalents thereof.

1 joinery, 2 frame, 3 inner reed, 4 external reed, 10 frame, 10a opening,
11 upper frame, 11b body plate part, 11e central wall part, 11i indoor side groove part,
11j outdoor side groove part, 11k center hollow part, 11o inner peripheral hollow part,
16 flame barrier member, 16c notch, 16d edge of notch, 20 frame side reinforcing member,
22 relay member, 22g slit, 22h edge of relay member, 26 screws,
38 Thermally expandable graphite, 120 Frame side reinforcing member

Claims (6)

A frame made of synthetic resin that is framed to form an opening;
A sliding paper slidingly guided by the frame so that the opening can be opened and closed,
The frame is
On the outer peripheral side, an outer peripheral part provided with a first hollow part formed along the sliding direction of the shoji,
A nonflammable or flame retardant reinforcing member housed in the first hollow portion and provided along the sliding direction, and held by a housing;
An inner protrusion that guides the shoji with a second hollow part that protrudes from the outer periphery toward the inner periphery of the frame and is formed along the sliding direction;
A nonflammable or flame retardant flame shielding member housed in the second hollow portion and provided along the sliding direction;
A fixing member of the non-combustible or flame-retardant you guide the shoji with said protruding portion along said sliding direction are arranged so as to be connected with the inside protrusions with the inner protrusion,
Have
The fitting is characterized in that the fixing member supports the flame shield member and is fixed to the reinforcing member. The joinery according to claim 1,
The said fixing member is provided in the position which opposes the site | part on the door butt side of the said shoji of the state which closed the said opening in a prospective direction. The joinery according to claim 1 or claim 2,
A slit along the sliding direction is provided on the outer peripheral side of the fixing member,
On the inner peripheral side of the flame shield member, a concave portion recessed on the outer peripheral side is provided,
The fitting is characterized in that the flame shield member is inserted into the slit, and the edge portion in the sliding direction of the recess is engaged with the edge portion in the sliding direction of the fixing member. The joinery according to claim 3,
The fixing member, fittings, characterized in that the flame blocking members of said slits is inserted, and is more immobilized on a solid Teigu Te on both sides in the expected direction. A fitting according to any one of claims 1 to 4,
A joinery characterized in that the flame shield member is provided with a heat-foaming refractory material at a portion facing the shoji in the expected direction when the shoji is closed. A fitting according to any one of claims 1 to 4,
The inner projecting portion constitutes an accommodating portion in which a peripheral edge portion of the shoji is accommodated,
The fireproof member is provided with a heat-foaming refractory material on one side where the shoji is located in a prospective direction when the shoji is closed.

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