JP6125788B2 - sash - Google Patents

Description

  The present invention relates to a sash in which a shoji is slidably housed in a frame provided in an opening of a building, and more particularly to a sash having a shoji pulling structure in the event of a fire at the upper end of a vertical fence constituting the shoji.

  Examples of the sash in which the internal and external shojis are housed in the frame provided in the opening of the building include a sliding sash that allows the internal and external shojis to run in a sliding manner, and a single-drawing sash that allows one of the shojis to run. The sash is required to have a fireproof performance that maintains a closed state for a certain time or more even when a fire occurs. In order to ensure sufficient fire prevention performance, even if the sash is exposed to high temperatures, a gap is created between the frame and the shoji by maintaining the positional relationship between the frame and the shoji that make up the sash. It is important not to let them.

  In the sash, not only a resin sash but also a metal sash, resin members are used in various places. Since such a resin member melts when exposed to a high temperature during a fire, it is necessary to maintain the positional relationship between the frame and the shoji even if the resin member melts. In the resin sash, for example, a metal part is provided on each of the frame body side and the shoji side so that they can be engaged with each other in the event of a fire to prevent the shoji from falling off. An example of such a sash is disclosed in Patent Document 1.

JP 2010-265646 A

  In a metal sash, thermal expansion occurs when exposed to a high temperature in the event of a fire, and a phenomenon occurs in which the frame material constituting the frame body and the eaves material constituting the shoji are greatly elongated. If there is a gap at the end of the frame material or the saddlewood, these members will extend in the longitudinal direction. Bend. When such bending occurs, a gap is generated between the frame and the shoji, so that a flame enters from the gap and a sufficient fireproof performance cannot be ensured.

  At the upper and lower ends of the vertical fence constituting the sash shoji, an upper anti-vibration component for the upper rail portion formed on the upper frame and a lower anti-vibration component for the rail portion formed on the lower frame are provided. Since the top and bottom anti-vibration parts are in sliding contact with the upper rail portion or the rail portion as the shoji is opened and closed, it is necessary to form the upper and lower anti-shake component from a resin material in order to smoothly open and close the shoji. However, in the event of a fire, the resin bracing parts will melt, and in this case as well, it has been necessary to maintain the state where the downpipe is pulled toward the indoor side.

  The present invention has been made in view of the above-mentioned problems, and for the vertical gutter constituting the sash shoji, the indoor side surface is prevented from swinging in the indoor / outdoor direction even in the event of a fire and the indoor side surface is reliably brought into contact with the airtight material of the vertical frame. An object of the present invention is to provide a sash capable of maintaining the above-described state and preventing the generation of a gap.

In order to solve the above-mentioned problem, the sash according to the invention of claim 1 is a sash in which a shoji is stored in a frame body provided in a building opening,
An upper rail portion that guides the upper side of the shoji is formed along the longitudinal direction on the upper frame that constitutes the frame, and a rail portion that guides the lower side of the shoji is elongated on the lower frame that constitutes the frame. The upper rail and / or the lower end of the vertical shaft that forms the shoji is formed along the direction, and is provided with a bracing component having a guide groove that is in sliding contact with the upper rail or the rail,
The anti-vibration component has a resin main body portion having the guide groove, and a metal fixing portion attached to the main body portion,
The main body has a space for providing the fixing portion, and a resin drawing surface portion that can freely come into contact with a fin portion formed along a longitudinal direction of a vertical frame constituting the frame body,
The fixing portion includes a vertical hook fixing portion fixed to the vertical hook, and a metal pulling surface portion that is disposed substantially parallel to the resin pulling surface portion and is embedded in the main body portion. It is configured.

  According to the invention which concerns on Claim 1, even if the main-body part of a bracing part falls off at the upper end part or lower end part of a downpipe at the time of a fire occurrence, the metal fixing | fixed part integrated with the main-body part is downpipe It is possible to maintain the state in which the vertical hook is drawn to the indoor side by the metal drawing surface portion.

  Further, in the sash according to the invention of claim 2, the vertical gutter has an indoor extension part in which an indoor side wall is extended to the outer peripheral side, and an indoor side surface of the indoor extension part extends along the longitudinal direction. A holding part is formed, and the vertical hook fixing part of the fixing part is held and fixed to the indoor holding part.

  According to the invention which concerns on Claim 2, while being able to fix a fixing | fixed part to a vertical shaft easily, it can prevent that a metal fixing | fixed part is not exposed outside and a design property is deteriorated.

  Further, in the sash according to the invention of claim 3, the vertical rod has an outdoor extension part in which an outdoor side wall is extended to the outer peripheral side, and the outdoor side surface of the outdoor extension part is arranged along the longitudinal direction. A holding part is formed, and the heating foam is held in the outdoor holding part.

  According to the invention which concerns on Claim 3, the space between an outdoor holding part and a fin part can be filled up at the time of a fire outbreak, a gap | interval can be block | closed, and fire prevention performance can be made high.

  The sash according to the invention of claim 4 is characterized in that the resin drawing surface portion and the metal drawing surface portion are respectively formed in an inclined surface shape with respect to the fin portion.

  According to the invention which concerns on Claim 4, since both the resin drawing surface part and the metal drawing surface part will contact | abut with respect to a fin part diagonally, a vertical gutter can be drawn near indoors reliably.

  According to the sash according to the present invention, the metal fixing portion that remains even in the event of a fire prevents the vertical wall from swinging in the indoor / outdoor direction and reliably maintains the state in which the indoor side face is in contact with the airtight material of the vertical frame. In addition, the generation of gaps can be prevented.

It is a longitudinal cross-sectional view of the sash in this embodiment. It is a cross-sectional view of a sash. FIG. 3 is an enlarged view of the inner side frame and the vicinity of the vertical frame of the shoji in FIG. 2. It is a frame side vertical rod in the upper end part of a housing, and vertical frame vicinity enlarged cross-sectional view. It is a disassembled perspective view of an upper bracing part. It is a perspective view of the upper anti-vibration component which attached the fixing | fixed part and the heating foam material. It is a perspective view near the upper end of the frame-side vertical hook to which the upper bracing part is attached. It is a disassembled perspective view of a lower brace part. It is a perspective view of the bottom anti-vibration component which attached the fixing | fixed part and the heating foam material. FIG. 6 is a perspective view of the vicinity of the lower end of a frame-side vertical rod with a lower brace attached. It is a partial expanded front view of a housing. It is a frame side vertical rod in the upper end part of the housing in the state at the time of a fire outbreak, and a vertical frame vicinity enlarged cross-sectional view.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of a sash according to the present embodiment, and FIG. 2 is a transverse sectional view of the sash. As shown in these drawings, the sash according to the present embodiment includes an inner frame 2 and an outer frame 3 in a frame 1 in which an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12 are framed in a square shape. It is a draw sash that is stored in a draw. The inner and outer shoji 2 and outer shoji 3 have a panel body 5 made of a glass plate in a casing 4 in which an upper collar 20 and a lower collar 21, a frame-side vertical collar 22 and a summing collar 23 are assembled in a square shape. It becomes.

  On the inner peripheral surface of the upper frame 10 constituting the frame 1, two indoor and outdoor upper rail portions 10 a for guiding the inner and outer shojis 2 and 3 are formed along the longitudinal direction. In addition, on the inner peripheral surface of the lower frame 11, two indoor and outdoor rail portions 11a for guiding the inner and outer shojis 2 and 3 are formed along the longitudinal direction.

  A fin portion 12a is formed on the inner circumferential surface of the vertical frame 12 on the side where the inner shingles 2 are arranged, at a position facing the outer peripheral surface of the inner child 2 and the vertical frames 12 on the side where the outer shingles 3 are arranged. A fin portion 12 a is formed on the inner peripheral surface at a position facing the outer peripheral surface of the outer screen 3.

  A concave guide groove 20a that is guided by the upper rail portion 10a of the upper frame 10 is formed on the upper side of the upper collar 20 constituting the casing 4. A door wheel 24 that is placed on the rail portion 11a of the lower frame 11 and that allows the shoji to run freely is provided below the lower arm 21.

  The frame-side vertical rod 22 has an indoor extension portion 22a in which the outer peripheral end portion of the indoor side surface extends to the outer peripheral side, and an outdoor extension portion 22b in which the outer peripheral end portion of the outdoor side surface extends to the outer peripheral side. And the fin part 12a of the vertical frame 12 is swallowed by the area | region enclosed by the indoor extension part 22a and the outdoor extension part 22b.

  The configuration of the frame-side vertical rod 22 will be described in more detail. FIG. 3 shows an enlarged view of the vicinity of the frame-side downboard 22 and the vertical frame 12 of the shoji 2 in FIG. A concave indoor holding portion 22 c is formed on the outdoor side of the indoor extending portion 22 a of the frame-side vertical rod 22. In addition, a concave outdoor holding portion 22d is formed on the indoor side surface of the outdoor extending portion 22b of the frame-side vertical rod 22.

  A vertical rod intermediate pulling member 25 is provided in a region between the indoor extending portion 22a and the outdoor extending portion 22b of the frame side vertical rod 22. The vertical hook intermediate pulling member 25 includes a resin portion 25a having an inclined resin pulling surface portion 25b that abuts the fin portion 12a of the vertical frame 12 and pulls the frame-side vertical hook 22 toward the indoor side, and a resin portion. It consists of a metal part 25c integrated with 25a. When the inner shoji 2 is closed, the frame-side vertical rod 22 is drawn indoors by the resin drawing surface portion 25b, and the frame-side vertical rod 22 is pressed against the airtight material 12b provided on the vertical frame 12, thereby Airtightness is increased.

  The metal portion 25c is fixed to the frame-side vertical rod 22 by screwing and has a metal drawing surface portion 25d parallel to the resin drawing surface portion 25b. In addition, although the hole for screwing is formed in the metal part 25c, this hole is made into the long hole shape, and it can adjust now the fixing position of the metal part 25c. In the event of a fire, even if the resin portion 25a falls off, the metal pulling surface portion 25d of the metal portion 25c fixed to the frame side vertical rod 22 comes into contact with the fin portion 12a of the vertical frame 12, so that the frame side vertical rod 22 It is possible to maintain the state of being drawn to the indoor side.

  The outdoor holding portion 22d of the outdoor extension portion 22b is provided with a heating foam material 22e along the longitudinal direction. Since the left and right end portions of the outdoor holding portion 22d are pocket-shaped, the heating foam material 22e is fixed to the frame side vertical rod 22 without using an adhesive tape by caulking and fixing both ends of the outdoor holding portion 22d. be able to. As a result, it is possible to prevent the heated foam material 22e from dropping off due to deterioration of the adhesive strength over time.

  At the upper and lower ends of the frame-side vertical rod 22, a structure for drawing the frame-side vertical rod 22 toward the indoor side even when a fire occurs is provided. FIG. 4 shows an enlarged cross-sectional view of the vicinity of the frame-side vertical rod 22 and the vertical frame 12 at the upper end portion of the casing 4. An upper anti-vibration component 26 that slides against the upper rail portion 10 a of the upper frame 10 to make the case 4 steady is provided at the upper end of the frame-side vertical rod 22.

  The upper anti-vibration component 26 is made of metal that is fixed to both the resin-made main body portion 26a inserted into the hollow side of the frame side vertical rod 22 and the indoor extension portion 22a and the main body portion 26a of the frame side vertical rod 22. The fixed portion 26d is integrated. FIG. 5 shows an exploded perspective view of the upper anti-vibration component 26. As shown in this figure, the main body part 26a constituting the upper anti-vibration component 26 has a narrow groove-shaped guide groove 26b that is in sliding contact with the upper rail part 10a of the upper frame 10 and an upper end of the attracting part 25a of the attracting member 25. And a resin pulling surface portion 26c that continues to the end.

  A metal fixing portion 26d and a heating foam material 26g are attached to the main body portion 26a. The fixing portion 26d includes a metal drawing surface portion 26f parallel to the resin drawing surface portion 26c on the outdoor side, and has a vertical rod fixing portion 26e fixed to the frame side vertical rod 22 on the indoor side. The main body portion 26a is formed with claw portions 26h at the top and bottom, and the main body portion 26a and the fixing portion 26d are integrated by engaging the upper and lower ends of the fixing portion 26d with the claw portion 26h. Further, a receiving member 26i is attached to the main body 26a so as to support the fixed portion 26d so that it does not fall off in the event of a fire.

  FIG. 6 is a perspective view of the upper anti-vibration component 26 to which the fixing portion 26d and the heating foam material 26g are attached. As shown in this figure, by integrating the fixing portion 26d with the main body portion 26a, the vertical hook fixing portion 26e of the fixing portion 26d is exposed to the indoor side, and the metal drawing surface portion 26f is embedded in the main body portion 26a. It becomes invisible.

  FIG. 7 shows a perspective view of the vicinity of the upper end of the frame-side vertical rod 22 to which the upper anti-vibration component 26 is attached. As shown in this figure, the upper anti-vibration component 26 is attached so as to cover the upper end portion of the frame-side vertical rod 22. At this time, the vertical rod fixing portion 26e of the fixing portion 26d is locked and fixed to the indoor holding portion 22c formed in the indoor extension portion 22a of the frame side vertical rod 22. As shown in FIG. 4, the left and right end portions of the indoor holding portion 22c are pocket-shaped, and the vertical hook fixing portion 26e of the fixing portion 26d has leg portions at the left and right ends, respectively. 26e can be locked to the indoor holding portion 22c.

  A lower anti-vibration component 27 is provided at the lower end of the frame-side vertical rod 22. FIG. 8 shows an exploded perspective view of the lower anti-vibration component 27. As shown in this figure, the bottom anti-vibration component 27 is also formed by integrating a resin main body portion 27a and a metal fixing portion 27d, and a heating foam material 27g is provided on the outdoor side surface of the main body portion 27a. .

  The main body portion 27a of the lower brace component 27 has a narrow groove-shaped guide groove 27b that is in sliding contact with the rail portion 11a of the lower frame 11, and a resin pulling surface portion 27c that continues the pulling portion 25a of the pulling member 25 to the lower end. doing. The fixing portion 27d has a vertical hook fixing portion 27e and a metal drawing surface portion 27f.

  FIG. 9 shows a perspective view of the lower anti-vibration component 27 to which the fixing portion 27d and the heating foam material 27g are attached. As shown in this figure, by integrating the fixing portion 27d with the main body portion 27a, the vertical hook fixing portion 27e of the fixing portion 27d is exposed to the indoor side, and the metal drawing surface portion 27f is embedded in the main body portion 27a. It becomes invisible.

  FIG. 10 shows a perspective view of the vicinity of the lower end of the frame-side vertical rod 22 to which the lower anti-vibration component 27 is attached. As shown in this figure, the lower anti-vibration component 27 is attached so as to cover the lower end portion of the frame-side vertical rod 22. At this time, the vertical rod fixing portion 27e of the fixing portion 27d is locked and fixed to the indoor holding portion 22c formed in the indoor extension portion 22a of the frame side vertical rod 22.

  In FIG. 11, the partial enlarged front view of the housing 4 is shown. As shown in this figure, the upper collar 20 and the lower collar 21 are connected to each other with the end faces being abutted against the side surfaces of the frame-side vertical collar 22. The upper anti-vibration component 26 is provided at the upper end portion of the frame side vertical rod 22, and a metal receiving member 26 i is fixed to the frame side vertical rod 22. The receiving member 26i is fixed so as to have a horizontal plane below the fixing portion 26d constituting the upper anti-vibration component 26. When the main body part 26a of the upper anti-vibration component 26 falls off in the event of a fire, the fixing part 26d is locked so that the vertical gutter fixing part 26e can slide with respect to the indoor holding part 22c of the frame side vertical gutter 22. Therefore, the fixing portion 26d slides and falls as it is, but by providing the receiving member 26i, the fixing portion 26d is prevented from dropping. In the case of the lower anti-vibration component 27, the frame-side vertical rod 22 extends in the longitudinal direction and hits the inner peripheral surface of the lower frame 11 when a fire occurs, so that the fixing portion 27 d does not fall.

  In FIG. 12, the frame side vertical rod 22 and the vertical frame 12 vicinity expanded sectional view in the upper end part of the housing 4 in the state at the time of fire outbreak are shown. 12A is a cross-sectional view at a vertical position where both the heating foam material 22e and the heating foam material 26g exist, and FIG. 12B is above the heating foam material 22e above FIG. 12A. It is sectional drawing in the up-down direction position in which only exists. As shown in this figure, when the sash is exposed to a high temperature in the event of a fire, the upper anti-vibration component 26 made of a resin material melts and falls off. However, since the metal fixing portion 26d is fixed to the frame-side vertical rod 22 by the vertical rod fixing portion 26e, it remains in the state as it is. And the metal drawing surface part 26f of the fixing | fixed part 26d contact | abuts to the fin part 12a of the vertical frame 12, and maintains the state which pulled the frame side vertical rod 22 indoors, and the airtight material 12b of the vertical frame 12 is the frame side. It is possible to prevent the occurrence of a gap by maintaining the state in contact with the indoor side surface of the vertical rod 22.

  In addition, when a fire occurs, the heated foam material 26g provided on the upper anti-vibration component 26 foams to increase the volume, and closes the upper end of the hollow portion of the frame-side vertical rod 22. As a result, it is possible to prevent the combustible gas from flowing by closing the hollow inside and outside of the frame-side vertical rod 22.

  Further, the foamed material 22e held in the outdoor holding portion 22d of the frame-side vertical rod 22 also foams in the event of a fire, and fills the space between the outdoor holding portion 22d and the fin portion 12a along the longitudinal direction. Can do. Thereby, the clearance gap between the frame side vertical rod 22 and the vertical frame 12 can be block | closed, and fire prevention performance can be made high.

  The same applies to the lower brace component 27. Even if the main body 27a melts and falls off in the event of a fire, the metal fixing portion 27d fixed to the frame side vertical rod 22 by the vertical rod fixing portion 27e. Since the metal drawing surface portion 27f of the fixed portion 27d abuts on the fin portion 12a of the vertical frame 12, the frame side vertical rod 22 can be drawn toward the indoor side. In addition, the heated foam material 27g of the lower brace component 27 is also foamed to close the hollow inner lower end portion of the frame-side vertical rod 22. In the present embodiment, the frame side downspout 22 of the inner shoji 2 has been described, but the same applies to the frame side downspout 22 of the external shoji 3.

  As described above, for the upper anti-vibration component 26 and the lower anti-vibration component 27, the fixing portions 26c and 27c made of metal and having the metal drawing surface portions 26f and 27f are fixed to the resin main body portions 26a and 27a, respectively. Since 26c and 27c are also fixed to the frame-side vertical rod 22, the fixed portions 26c and 27c remain even if the main body portions 26a and 27a drop off in the event of a fire, so that the metal drawing surface portions 26f and 27f are vertical. It can abut against the fin portion 12a of the frame 12 and maintain the drawing of the frame-side vertical rod 22 toward the indoor side. Here, since the metal fixing portions 26c and 27c are not exposed to the outside at the normal time, the design property is not deteriorated, and the gap generation at the time of fire can be prevented with a simple part.

  As shown in FIG. 1, the upper collar 20 is provided with an airtight material 20 b at a portion facing the upper rail portion 10 a of the upper frame 10. The airtight member 20b has a fin-like portion protruding from a hollow portion and is in contact with the upper rail portion 10a. The airtight material 20b is formed of a material that is cured when heated. Even if the upper lid 20 is warped after the airtight material 20b is cured in the event of a fire, the cured airtight material 20b does not break. I have to.

  Further, the hollow portion of the airtight member 20b has a concave base at the fin-shaped portion. As a result, when the inner shoji 2 or the outer shoji 3 is opened and closed, the shoji swings indoors and outdoors, and the fin-like portion is sandwiched between the hollow portion and the upper rail portion 10a, and the opening and closing becomes heavy. Is preventing.

  As shown in FIG. 1 and FIG. 11, a metal upper collar intermediate locking part 28 is provided in the guide groove 20 a of the upper collar 20 at a middle position in the longitudinal direction. The upper collar intermediate bracing component 28 has a shape substantially along the guide groove 20a, and has contact pieces that contact both side walls constituting the guide groove 20a. The upper hook intermediate brace part 28 can suppress warping of the upper hook 20 in the event of a fire. Accordingly, it is possible to prevent the airtight material 20b from being cracked due to a large warp of the upper rod 20 when a fire occurs, and to prevent a gap from being generated between the airtight material 20b and the upper rail portion 10a. .

  As shown in FIGS. 1 and 11, a metal lower heel intermediate pulling member 29 is provided at an intermediate position in the longitudinal direction of the lower heel 21. The lower rod intermediate pulling member 29 has a fixed portion 29a fixed to the lower rod 21, and a pulling surface portion 29b that is suspended downward from the fixed portion 29a and has an inclined surface shape. When the lower rod 21 approaches the lower frame 11 side in the event of a fire, the drawing surface portion 29b comes into contact with the rail portion 11a of the lower frame 11 and draws the lower rod 21 toward the indoor side. Thereby, it is possible to prevent a gap from being generated between the lower frame 11 and the lower collar 21.

  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.

DESCRIPTION OF SYMBOLS 1 Frame 2 Inner shoji 3 External guard 4 Frame 5 Panel body 10 Upper frame 10a Upper rail part 11 Lower frame 11a Rail part 12 Vertical frame 12a Fin part 12b Airtight material 20 Upper gutter 21 Lower gutter 22 Frame side vertical gutter 22a Indoor Extension part 22b Outdoor extension part 22c Indoor holding part 22d Outdoor holding part 22e Heating foam material 23 Summing bowl 26 Upper swing prevention part 26a Main body part 26b Guide groove 26c Resin pulling surface part 26d Fixing part 26e Vertical hook fixing part 26f Metal drawing part Surface part 27 Lower swing prevention part 27a Main body part 27b Guide groove 27c Resin drawing surface part 27d Fixing part 27e Vertical frame fixing part 27f Metal drawing surface part

Claims (4)

In a sash with a shoji that can be run freely in the frame provided in the opening of the building,
An upper rail portion that guides the upper side of the shoji is formed along the longitudinal direction on the upper frame that constitutes the frame, and a rail portion that guides the lower side of the shoji is elongated on the lower frame that constitutes the frame. The upper rail and / or the lower end of the vertical shaft that forms the shoji is formed along the direction, and is provided with a bracing component having a guide groove that is in sliding contact with the upper rail or the rail,
The anti-vibration component has a resin main body portion having the guide groove, and a metal fixing portion attached to the main body portion,
The main body has a space for providing the fixing portion, and a resin drawing surface portion that can freely come into contact with a fin portion formed along a longitudinal direction of a vertical frame constituting the frame body,
The fixing portion includes a vertical hook fixing portion fixed to the vertical hook, and a metal pulling surface portion that is disposed substantially parallel to the resin pulling surface portion and embedded in the main body portion. Sash to do.   The downpipe has an indoor extension part with an indoor side wall extending to the outer peripheral side, and an indoor holding part is formed along the longitudinal direction on the outdoor side surface of the indoor extension part. The sash according to claim 1, wherein the vertical hook fixing portion of the fixing portion is held and fixed.   The downpipe has an outdoor extending portion whose outer wall extends to the outer peripheral side, and an outdoor holding portion is formed along the longitudinal direction on the indoor side surface of the outdoor extending portion, and the outdoor holding portion is heated. The sash according to claim 1 or 2, wherein a foam material is held. The sash according to any one of claims 1 to 3, wherein each of the resin drawing surface portion and the metal drawing surface portion is formed in an inclined shape with respect to the fin portion.

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