JP2020063558A - Fitting - Google Patents

Abstract

To provide a fitting capable of easily providing a structure for maintaining a closed state of a sliding sash even when exposed to flame or the like while suppressing cost.SOLUTION: A fitting includes: a synthetic resin frame body formed with an opening; a sliding sash having a synthetic resin box body and supported so as to close the opening; a flame-retardant or incombustible reinforcing member fixed to at least one of the frame body and the box body by a metal screw; and a closing maintaining unit fixed to the reinforcing member and capable of maintaining the state that the sliding sash closes the opening, the closing maintaining unit having an abutting plate part abutting on a head of the screw, and the abutting plate part being fixed to the reinforcing member.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a fitting that includes a frame that forms an opening and a shoji that is supported so as to close the opening.

  Among the fittings, for example, a heat insulating window frame having a metal outdoor side frame material and a heat insulating material indoor side frame material, and a heat insulating frame having a metal outdoor side frame material and a heat insulating material indoor side frame material are provided. There is a fitting having a heat insulating property having a heat insulating shoji (for example, see Patent Document 1). In this fitting, a metal latch receiver that constitutes a latch mechanism for keeping the shoji screen in a closed state is screwed to the back plate fixed to the metal outdoor frame member by sandwiching the indoor frame member made of heat insulating material. ing. At this time, since the heat-insulating material indoor-side frame member is interposed between the latch receiver and the back plate, when the heat-insulating material indoor-side frame material is melted by a flame or the like, the latch receiver rattles, and There is a risk that the closed state of will not be maintained. Therefore, to prevent the latch receiver from rattling even when exposed to flames, form fins or burring holes that project from the back plate and come into contact with the latch receiver, or between the latch receiver and the back plate. The body is interposed and screwed.

JP, 2000-154685, A

  Like the above-mentioned conventional fittings, in order to keep the shoji closed even when it is exposed to flames, etc., if a fin piece or a burring hole is provided in a member that fixes a member that constitutes a latch mechanism such as a latch receiver, it is a part. Since the number of steps in manufacturing increases, the cost increases, and if another member such as a cylinder is interposed between the member that constitutes the latch mechanism and the member that is fixed and screwed, the number of members increases and the work There is a problem that it becomes complicated.

  The present invention has been made in view of such problems, and an object thereof is to easily provide a structure that keeps the shoji screen closed even when exposed to flames, etc., while suppressing costs. The purpose is to provide fittings that can

A main invention for achieving such an object is to form an opening, a frame body made of synthetic resin, a shoji supported by a frame body made of synthetic resin so as to be capable of closing the opening, the frame body and the frame body. A flame-retardant or non-combustible reinforcing member fixed to at least one of the bodies with a metal screw, and a blockage maintaining unit that is fixed to the reinforcing member and can maintain the state in which the shoji block the opening. The blockage maintaining unit has a contact plate part that is in contact with the head of the screw, and the contact plate part is fixed to the reinforcing member. is there.
Other features of the present invention will become apparent from the description of this specification and the accompanying drawings.

  ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide the fitting which can be easily equipped with the structure which maintains the state which the shoji closed in spite of being exposed to flame etc., suppressing cost.

It is a perspective view which shows the fitting which concerns on this embodiment. It is a longitudinal cross-sectional view showing a fitting according to the present embodiment. It is an enlarged view of the A section in FIG. It is an enlarged view of the cross section of the B section in FIG. It is the figure which looked at the upper frame from the outdoor side.

Hereinafter, a fitting according to a first embodiment of the present invention will be described with reference to the drawings.
In the present embodiment, the lower end of the rectangular shoji is rotatably attached to the rectangular frame via a hinge, and the shoji falls down as the upper side of the shoji moves to the outdoor side. Description will be given by taking as an example a fitting for an inverted window that is opened (hereinafter simply referred to as a fitting).

  In the following description, the up and down directions of the fitting 1 attached to a building or the like with the shoji closed are shown as up and down directions, the left and right directions are as left and right directions, and the depth direction is as an expected direction. Even in each part of the fitting 1 or in a state where each member forming the fitting 1 is in a single state, in a state in which the fitting is attached and the shoji is closed, the vertical direction, the horizontal direction, and the prospective direction The direction is specified and explained.

  As shown in FIGS. 1 and 2, the fitting 1 has a frame body 10 that is framed in a rectangular shape to form an opening 10a, and a rectangular frame body 20 that surrounds the rectangular glass 2a, and the opening 10a. , A damper 3 for urging the shoji 2 to move the upper side of the shoji 2 from the lower side to the outside of the room, and the shoji 2 to keep the opening 10a closed. A closure maintaining unit 4 that is locked to the body 10, a release operation mechanism 1a that is operated to release the closed body of the shoji 2 that maintains the state where the opening 10a is closed by the closure maintaining unit 4, and an opening. A moving operation mechanism 1b that is operated to move the shoji screen 2 in the closing direction. In the following description, with respect to the frame 10, the side on which the shoji 2 in the state of closing the opening 10a is located is the inner circumference side, the opposite side is the outer circumference, and the glass 2a is located on the frame 20. The side on which the frame 10 is located is the inner side and the side on which the frame 10 is located is the outer side. The damper 3 is omitted in FIG.

  The frame body 10 is composed of an upper frame 11 and a lower frame 12 arranged vertically and two vertical frames 13 arranged left and right, and forms an opening 10a. Each of the frames 11, 12, and 13, that is, the upper frame 11, the lower frame 12, and the two vertical frames 13 are members made of synthetic resin extruded in the same cross-sectional shape. Each of the frames 11, 12, and 13 has both ends in the longitudinal direction inclined at 45 degrees, and the adjacent frames 11, 12, and 13 are welded with their ends abutting each other to form a rectangular shape. There is.

  The frame 20 which constitutes the shoji 2 has a frame composed of an upper frame 21 and a lower frame 22 arranged vertically and two vertical frames 23 arranged on the left and right, and each frame 21, 22, 23, that is, the upper frame. The outer peripheral portion of the glass 2a is housed in the groove portions provided on the inner peripheral side of the frame 21, the lower frame 22, and the two vertical frames 23. Each of the frames 21, 22 and 23 is a member made of synthetic resin extruded in the same sectional shape. Each of the frames 21, 22, 23 has both ends in the longitudinal direction inclined at 45 degrees, and the adjacent frames 21, 22, 23 are welded with their ends abutting each other to form a rectangular shape. There is.

  In the shoji screen 2, the lower frame 22 is attached to the lower frame 12 via the hinge 1c, and the opening 10a can be opened and closed by rotating it. The vertical frame 13 and the vertical frame 23 are provided on the left and right sides of the shoji screen 2. A damper 3, which is a so-called shock absorber, is provided between and. The damper 3 is configured to urge in the extension direction when compressed in the length direction. One end 3a of the damper 3 is fixed to the lower end side of the vertical frame 13 via a lower bracket 31 that rotatably supports the damper 3, and the other end 3b of the damper rotates the damper 3. It is fixed near the center of the vertical frame 23 of the shoji 2 in the up-down direction via an upper bracket 32 that supports the frame 2 in a freely movable manner.

  An occlusion maintaining unit 4 is provided above the frame 10 and the shoji 2. As shown in FIG. 1, the blockage maintaining unit 4 includes a latch mechanism 41 that is provided in the center of the upper frame 11 in the left-right direction and into which a latch bolt 41a (see FIG. 3) can be retracted, and a horizontal direction of the upper frame 21 of the shoji 2. There is a locking unit 40 having a receiving metal fitting 42 provided at the center of the locking metal fitting 42 for locking the protruding latch bolt 41a, and a connecting member 6 for connecting the latch mechanism 41 to a frame reinforcing member 5 described later.

  A releasing wire 1d is connected to the latch mechanism 41, which is capable of releasing the latched state of the latch bolt 41a locked to the receiving fitting 42 by pulling. The releasing wire 1d is wound around a pulley (not shown) of the pulley unit 1e provided at one end of the upper frame 11 in the left-right direction, and the tip thereof hangs downward. Further, a closing wire 1f for pulling the upper portion of the shoji screen 2 in the opened state toward the frame body 10 is connected to the receiving fitting 42 provided on the upper frame 21 of the shoji screen 2. The closing wire 1f is connected to a pulley (not shown) provided with the latch mechanism 41 of the upper frame 11 and a pulley (not shown) of the pulley unit 1g provided at the other end of the upper frame 11 in the left-right direction. It is pulled around and the tip hangs downward.

  The upper frame 11 to which the latch mechanism 41 is attached together with the connecting member 6 has an upper outer peripheral portion 110 forming an upper outer peripheral surface of the frame body 10, and a fin-shaped upward protrusion protruding upward from the upper outer peripheral portion 110 in the longitudinal direction. The piece 111, an upper groove portion 112 provided on the indoor side of the upper protruding piece 111 and recessed below the upper outer peripheral portion 110, a first hollow portion 113 provided below the upper groove portion 112 and penetrating in the longitudinal direction, The interior side of the hollow portion 113 has a downward extension portion 114 extending below the first hollow portion 113.

  The first hollow portion 113 has a substantially rectangular cross section, and the metal frame reinforcing member 5 is housed inside. A part of the upper surface portion 113 a forming the upper surface of the first hollow portion 113 on the indoor side forms the bottom of the upper groove portion 112. That is, the upper groove portion 112 is provided adjacent to the inner side portion of the first hollow portion 113.

  A second hollow portion 115 is provided on the indoor side of the upper groove portion 112 and the first hollow portion 113 in a region extending from the upper surface of the frame body 10 to the height of the lower surface portion 113b forming the lower surface of the first hollow portion 113. The downward extending portion 114 is provided below the second hollow portion 115. An indoor wall portion 113c that connects the indoor side edges of the upper surface portion 113a and the lower surface portion 113b of the first hollow portion 113 and forms the indoor side surface of the first hollow portion 113 is provided on the first hollow portion 113. The upper groove portion 112 is connected to the outdoor upper groove wall portion 112a forming the outdoor wall, and the indoor wall portion 113c and the outdoor upper groove wall portion 112a form the outdoor surface of the second hollow portion 115.

  The upper frame 11 has an inner wall portion 113c and an outdoor upper groove wall portion 112a, and an upper frame inner wall portion 115a that is provided on the indoor side with a space therebetween and forms an outer surface of the second hollow portion 115. The upper frame inner wall portion 115a is provided with a fin-shaped indoor projecting piece 115b which projects toward the room side and is substantially horizontal, and the indoor projecting piece 115b is fixed to a frame 1h provided on the room side of the frame body 10. Has been done.

  The indoor wall portion 113c is connected to the outdoor-side extending wall portion 114a that forms the outdoor-side wall portion of the downward extending portion 114 provided below the first hollow portion 113 and the second hollow portion 115. The downward extending portion 114 has an outdoor side extending wall portion 114a connected to the indoor side wall portion 113c, and an indoor side extending wall portion 114b facing the indoor side of the outdoor side extending wall portion 114a with a space therebetween. is doing. The outdoor-side extending wall portion 114a and the indoor-side extending wall portion 114b have upper ends connected by the upper connecting portion 114c connected to the lower surface portion 113b on the indoor side, and lower ends by the lower connecting portion 114d. They are connected to each other by a middle connecting portion 114e at a slightly lower position. That is, the downward extending portion 114 has a hollow portion between the upper connecting portion 114c and the middle connecting portion 114e, and between the middle connecting portion 114e and the lower connecting portion 114d.

  An airtight material 11a pressed by the upper frame 21 abutted from the outdoor side is provided on the outdoor extended wall portion 114a located on the outdoor side of the lower extended portion 114, and the middle connecting portion 114e and the lower connecting portion 114d. It is fitted and provided between. The latch mechanism 41 is attached to the indoor-side extending wall portion 114b located on the indoor side of the downward extending portion 114.

  The latch mechanism 41 has a latch body 41b into which the latch bolt 41a appears and disappears, and a metal latch fixing portion 41c formed integrally with the latch body 41b. The latch fixing portion 41c has an abutting surface portion 41d that abuts on an indoor-side extending wall portion 114b that forms an indoor-side wall portion of the downward extending portion 114 on the outdoor side from the outdoor-side edge of the latch body portion 41b. Have The contact surface portion 41d is provided with a through hole 41e through which the screw 43 penetrates, and the metal connecting member provided on the outdoor side of the downward extending portion 114 by the screw 43 inserted through the through hole 41e. It is fixed at 6. The latch mechanism 41 attached to the upper frame 11 is provided so that the latch bolt 41a projects downward.

  The connecting member 6 has a connecting portion 60 formed by two plate portions having an L-shaped cross section, and a metal collar 61 fixed by caulking to one of the two plate portions. The connecting member 6 is a piece component that is sufficiently shorter than the length of the upper frame 11 in the longitudinal direction. The two plate portions include a lower surface contact plate portion 60a facing the lower surface portion 113b and abutting, and an extended wall contact plate portion 60b facing the outdoor side extending wall portion 114a and abutting. The metal collar 61 is provided on the indoor side of the extending wall contact plate portion 60b so as to project in the prospective direction.

  The metal collar 61 has an internal thread formed on the inner peripheral surface thereof, and is provided on the indoor-side extending wall portion 114b and the outdoor-side extending wall portion 114a above the middle connecting portion 114e of the lower extending portion 114. It is inserted through the through hole 114f. The metal collar 61 penetrates the downward extending portion 114 and its tip is brought into contact with the contact surface portion 41d on the outdoor side of the latch fixing portion 41c, so that the latch fixing portion 41c is screwed into the female screw. It is fixed.

  The frame reinforcing member 5 is a member having a length that extends over substantially the entire length of the upper frame 11 in the longitudinal direction. The lower surface abutting plate portion 60a of the connecting member 6 is provided on the metal frame reinforcing member 5 provided in the first hollow portion 113 above the lower surface portion 113b at two positions spaced in the left and right direction, for example, the left and right direction. It is fixed by fixing screws 62 on both end sides of.

  The frame reinforcing member 5 has a U-shaped cross section, and the frame reinforcing member lower plate portion 51 facing the lower surface portion 113b of the upper frame 11 in the first hollow portion 113 and the upper frame in the first hollow portion 113. The frame reinforcing material upper plate portion 52 facing the upper surface portion 113a of 11, and the frame reinforcing material upper and lower plates that connect the outdoor side edge of the frame reinforcing material lower plate portion 51 and the outdoor side edge of the frame reinforcing material upper plate portion 52. And a portion 53. The frame reinforcing material lower plate portion 51 is provided with the heated foam material 1i on the lower surface portion 113b side, and the frame reinforcing material upper and lower plate portion 53 is provided with the heated foam material 1i on the inside and outside surfaces, respectively. Has been.

  As shown in FIGS. 3 and 5, in the frame reinforcing member 5, the lower surface portion 113 b of the upper frame 11 is fixed to the frame reinforcing member lower plate portion 51 from below by a countersunk screw 54. The countersunk screws 54 are screwed to the frame reinforcing member 5 at a plurality of positions spaced apart in the left-right direction, and the two fixing screws 62 screwed to the frame reinforcing member 5 to fix the connecting member 6. It is screwed into two places in between. Therefore, the connecting member 6 is fixed to the frame reinforcing member 5 by abutting the upper surface of the lower surface abutting plate portion 60a to the head portion 54a of the flat head screw 54 fixing the frame reinforcing member 5 to the upper frame 11. ing.

  The frame reinforcing member upper plate portion 52 is also positioned below the upper groove portion 112, and is provided in the upper groove portion 112 and is fixed to the body 100 together with the upper protruding piece 111 of the upper frame 11, and the frame fixing metal fitting 7, A screw 70 that penetrates the upper surface portion 113a that forms the bottom of the upper groove portion 112 is screwed.

  The upper frame 21 to which the receiving metal fitting 42 is attached is provided above the upper end of the glass 2a and has an indoor frame hollow part 211 and an outdoor frame hollow part 212 which are lined up in the prospective direction. The indoor frame hollow portion 211 and the outdoor frame hollow portion 212 are provided with metal frame reinforcement members 80 and 81, respectively. The indoor frame hollow part 211 and the outdoor frame hollow part 212 are respectively screwed and connected to the frame reinforcing member connecting metal fittings 8 provided on the upper surface of the upper frame 21 which is the outer peripheral side of the frame body 20. The receiving metal fitting 42 is screwed from the indoor side to the frame reinforcement member 80 in the indoor frame hollow part 211 via a frame indoor wall part 211a that forms the indoor side surface of the indoor frame hollow part 211.

  The receiving metal fitting 42 includes a frame fixing portion 42a that faces and abuts against the frame inner wall portion 211a, and a substantially horizontal receiving metal fitting extending plate portion 42b that extends from the lower edge of the frame fixing portion 42a toward the indoor side. ,have. The receiving fitting extension plate portion 42b is provided with an insertion hole 42c into which the latch bolt 41a protruding from the latch body portion 41b is inserted, and the tip of the receiving fitting extension plate portion 42b on the indoor side is a tip. An inclined portion 42d is provided, which becomes lower toward.

  The frame reinforcing member 80 in the indoor frame hollow portion 211 extends to the outside from the frame reinforcing member indoor wall portion 80a abutted against the inside of the frame indoor wall portion 211a and the upper edge of the frame reinforcing material indoor wall portion 80a. The frame reinforcing member upper plate portion 80b is opposed to the frame indoor upper surface portion 211b forming the upper surface of the indoor frame hollow portion 211. The frame reinforcing member upper plate portion 80b is provided with a heated foam material 1i on the side of the frame chamber upper surface portion 211b.

  The frame reinforcing member 80 in the indoor frame hollow portion 211 includes a frame reinforcing member upper plate portion 80b, a frame reinforcing member connecting fitting 8 provided on the frame indoor upper surface portion 211b, a frame indoor upper surface portion 211b, and A screw 82 penetrating the heated foam material 1i is screwed and provided so as to be connected to the frame reinforcement member 81 of the outdoor frame hollow portion 212. An outer surface of the frame fixing portion 42a of the receiving metal fitting 42 is brought into contact with an inner surface of the frame inner wall portion 211a, and a screw 83 for inserting the frame fixing portion 42a and the frame inner wall portion 211a is inserted into the frame reinforcement member chamber. The wall portion 80a is screwed and fixed.

  In the fitting 1 of the present embodiment, the receiving metal fitting 42 is arranged below the latch mechanism 41 provided on the upper frame 11 in a state where the shoji 2 closes the opening 10a, and projects downward from the latch main body portion 41b. The latch bolt 41a is inserted into the insertion hole 42c of the receiving member 42 and locked, so that the screen 2 keeps closing the opening 10a. Then, by operating the release operation mechanism 1a, the latch bolt 41a is pulled up and disengaged from the insertion hole 42c, and is urged by the damper 3 so that the upper side of the shoji 2 moves to the outdoor side and the closed state is released. To be done.

  According to the fitting 1 of the present embodiment, the connecting member 6 for fixing the latch mechanism 41 capable of maintaining the state in which the shoji 2 closes the opening 10a to the frame body 10 made of synthetic resin is attached to the metal frame reinforcing member 5. Since the lower surface contacting plate portion 60a is in contact with the head portion 54a of the metal screw 54 that is fixed, even if the lower surface portion 113b of the frame body 10 is melted by being exposed to flames or the like, the lower surface contacting portion is contacted. The plate portion 60a is kept in contact with the metal screw 54 to which the frame reinforcing member 5 is fixed. Therefore, even if the frame body 10 is melted, rattling does not occur in the latch mechanism 41 fixed to the frame reinforcing member 5. Therefore, even when exposed to flame, it is possible to maintain the state in which the opening 10a is closed by the shoji 2.

  Further, since the flat head screw 54 with which the lower surface contact plate portion 60a is brought into contact is the flat head screw 54 for fixing the frame reinforcing member 5 to the upper frame 11, it is always used even if the latch mechanism 41 is not provided. Therefore, even if the countersunk screw 54, which is always provided, is arranged at the position where the lower surface contact plate portion 60a is brought into contact, the state in which the opening 10a is closed by the shoji 2 is maintained even when exposed to the flame. It is possible to realize the fitting 1 having a configuration capable of performing the above. Therefore, it is possible to provide the fitting 1 that can easily be provided with a structure that keeps the shoji 2 closed even when exposed to flames and the like, while suppressing the cost.

  At this time, since the latch mechanism 41 is connected to the metal connecting member 6, even if the latch mechanism 41 and the connecting member 6 are exposed to the flame, the connecting state of the latch mechanism 41 and the connecting member 6 does not change, and the latch mechanism 41 does not change. It is fixed with 6 without loosening. Further, since the lower surface contact plate portion 60a as the contact plate portion of the connecting member 6 is in contact with the head portion 54a of the metal screw 54, the latch mechanism 41 and the frame reinforcing member 5 Even when the fitting 1 having the structure in which the connecting member 6 is interposed is exposed to the flame, the opening 10a is closed by the shoji 2 while maintaining the state where the latch bolt 41a is engaged with the receiving metal fitting 42. It is possible to maintain Therefore, as in the above-described fitting 1, the indoor projecting piece 115b projecting from the upper frame inner wall portion 115a to the indoor side is fixed to the frame 1h provided on the indoor side of the frame body 10, and the latch mechanism 41 and the like are provided. Even at a position where the blockage maintaining unit cannot be directly attached to the frame reinforcing member 5, the blockage maintaining unit can be attached via the connecting member 6 and the state in which the opening 10a is blocked by the shoji 2 can be maintained. is there.

  Further, since the screw with which the lower surface abutting plate portion 60a abuts is the flat head screw 54 having the flat head portion 54a, the latch mechanism 41 fixed to the connecting member 6 can be kept in a more stable state. is there.

  In the above embodiment, an example in which the closure maintaining unit 4 has the locking unit 40 and the connecting member 6 has been described, but the connecting member may not necessarily be provided. In this case, the locking unit is provided with an abutting plate portion that abuts on the head of a screw that fixes the frame reinforcing member to the frame body. Further, in the above-described embodiment, an example in which the latch mechanism 41 of the locking unit 40 is fixed to the frame reinforcing member 5 via the connecting member 6 having the lower surface contact plate portion 60a has been described, but the present invention is not limited to this. The bracket or other member for keeping the opening closed by the shoji is used as a frame reinforcement through a connecting member having an abutment plate portion or by abutting on a screw fixed to the frame reinforcement. It does not matter if it is fixed.

  In the above embodiment, the frame reinforcing material and the frame reinforcing material are made of metal, but the material is not limited to this, and may be made of a flame-retardant or non-combustible material.

  In the above-described embodiment, the example in which the flat plate screw 54 is used as the screw with which the lower surface contact plate portion 60a contacts is described, but the screw is not limited to this. Even if the head is not a flat head screw such as a pan head screw or a binding screw, for example, it may be a structure in which the closure maintaining unit 4 can be fixed in a stable state, for example, by contacting the heads of three screws. .

  In the above-described embodiment, the fitting for the outward falling window has been described as an example, but the fitting is not limited to this, and the fitting constitutes a window that is opened by rotating, such as an inward falling window or a protruding window. I don't care.

  Further, the above-described embodiments are for facilitating the understanding of the present invention, and are not for limiting and interpreting the present invention. It goes without saying that the present invention can be modified and improved without departing from the spirit thereof and that the present invention includes equivalents thereof.

This embodiment includes at least the following inventions.
A frame body made of synthetic resin forming an opening, a shoji supporting a frame made of synthetic resin capable of closing the opening, and a metal screw on at least one of the frame body and the frame body. A flame-retardant or non-combustible reinforcing material fixed by, and a clogging maintaining unit that can be maintained in a state in which the shoji fixed to the reinforcing material blocks the opening, and the clogging maintaining unit, It is a fitting which has a contact plate part which contacts the head of the screw, and the contact plate part is being fixed to the reinforcing material.

  According to such a fitting, the blockage maintaining unit, which is fixed to the flame-retardant or non-combustible reinforcing material and can maintain the state in which the shoji block the opening, has the reinforcing material fixed to the frame or frame made of synthetic resin. Since the abutting plate portion is in contact with the head of the metal screw that is being held, even if the frame body or the frame body is melted by being exposed to flames or the like, the abutting plate portion is fixed with the reinforcing material. It is kept in contact with the metal screw that is attached. Therefore, even if the frame body or the frame body is melted, the clogging maintaining unit fixed to the reinforcing material does not rattle. Therefore, even when exposed to flames, it is possible to maintain the state in which the opening is blocked by the shoji.

  Further, the screw with which the abutting plate portion is abutted is a screw for fixing the reinforcing material to the frame body, so that it is always used even if the closing maintaining unit is not provided. Therefore, it is possible to maintain a state in which the opening is blocked by the shoji even if the screw is always exposed to the flame by simply disposing the screw provided at the position where the contact plate portion is in contact. It is possible to realize a provided fitting. Therefore, it is possible to provide a fitting in which a structure that keeps the shoji screen closed even when exposed to flames or the like can be easily provided while suppressing the cost.

Such joinery,
The blockage maintaining unit includes a locking unit that locks the frame body to the frame body, and a flame-retardant or non-flammable connecting member that connects the locking unit and the reinforcing member, The connecting member has the abutting plate portion.

  According to such a fitting, since the locking unit is connected to the flame-retardant or non-combustible connecting member, the connection state between the locking unit and the connecting member does not change even when exposed to flames. . Further, since the contact plate portion of the connecting member is in contact with the head of the metal screw, even if the connecting member is interposed between the locking unit and the reinforcing member, Even when exposed to flames, it is possible to keep the opening blocked by the shoji. Therefore, it is possible to attach the blockage maintaining unit via the connecting member even at a position where the blockage maintaining unit cannot be directly attached due to the structure.

  In this fitting, the locking unit is a latch mechanism having a latch bolt that can be retracted or retracted, or a metal fitting for engaging and disengaging the latch bolt.

  According to such a fitting, since the latch mechanism or the receiving fitting is attached so as not to rattle even when exposed to the flame, it is possible to maintain the state in which the latch bolt is engaged with the receiving member. Therefore, it is possible to maintain a state in which the shoji block the opening.

In this fitting, the screw is a flat head screw.
According to such a fitting, when the frame body or the frame body is exposed to the flame and the frame body or the frame body is melted, the contact plate portion is supported by the head portion of the screw. At this time, since the screw fixing the reinforcing member is a flat head screw, the blockage maintaining unit can be maintained in a more stable state.

The fitting is characterized in that it constitutes an outturning window.
According to such a fitting, it is possible to provide an outturning window in which the shoji is not easily opened even when exposed to flames.

1 fixture, 2 shoji, 4 blockage maintenance unit, 5 frame reinforcement,
6 connecting member, 10 frame, 10a opening, 11 upper frame, 20 frame,
40 locking unit, 41 latch mechanism, 41a latch bolt,
42 brackets, 54 flat head screws (screws), 54a head part, 60 connecting parts,
60a bottom contact plate, 61 metal collar,

Claims (5)

A frame made of synthetic resin that forms an opening,
A shoji that has a frame made of synthetic resin and is supported so as to be able to close the opening,
A flame-retardant or non-combustible reinforcing material fixed to at least one of the frame body and the frame body by a metal screw,
A closure maintaining unit that is fixed to the reinforcing material and that can maintain a state in which the shoji screen closes the opening,
Have
The blockage maintaining unit has an abutting plate portion that abuts on the head of the screw,
A fitting, wherein the contact plate portion is fixed to the reinforcing material. The fitting according to claim 1,
The blockage maintaining unit includes a locking unit that locks the frame to the frame body, and a flame-retardant or non-flammable connecting member that connects the locking unit and the reinforcing member,
The fitting, wherein the connecting member has the contact plate portion. The fitting according to claim 2,
The fitting is characterized in that the locking unit is a latch mechanism having a latch bolt that can be retracted or retracted, or a metal fitting for engaging and disengaging the latch bolt. The fitting according to any one of claims 1 to 3,
The fitting wherein the screw is a flat head screw. The fitting according to any one of claims 1 to 4,
Joinery characterized by composing an outside window.