JP2016199884A - Door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door capable of blocking flame with a small amount of heat foaming material.SOLUTION: A sliding door 1 includes: a frame body 10; and a door body 20 which is slidably supported by the frame body 10. The door body 20 has a groove forming member 222. The groove forming member 222 has a groove bottom piece part which is positioned facing to a lower frame 12 of the frame body 10, and an inclined piece 224 which is positioned at a position closer to the lower frame 12 than the groove bottom piece part. The inclined piece 224 is inclined with respect to the lower frame 12 and is provided with a heat foaming material 42D.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a joinery that shields flame between a frame and a door.

Conventionally, as a joiner, a door frame unit and a door body (door body) that is slidably mounted in a suspended state suspended from the door frame unit and that has a guide groove in which a posture control roller is inserted in the lower end surface. ), And a fire door structure in which a tape-like heating foam material is bonded to the groove bottom of the guide groove described above has been proposed (see Patent Document 1).
In this fire-proof structure, in the event of a fire, the heated foam material adhered to the bottom of the guide groove expands in the direction of increasing its thickness and comes into contact with the floor surface, so that the gap between the lower end surface of the door and the floor surface is increased. Block and shield between indoor and outdoor.

JP 11-36740 A

  By the way, in the sliding door apparatus of patent document 1, since the groove bottom part of a guide groove is formed by the surface parallel to a floor surface, the thickness direction of the heating foam material adhere | attached on this groove bottom part is a groove bottom part and a floor. The contact area of the heated foam material that is perpendicular to the surface and expands in contact with the floor surface in the event of a fire is the same in design as the adhesion area of the heated foam material to the groove bottom. For this reason, in order to increase the contact area and close the gap between the lower end surface of the door and the floor surface more closely, the adhesion area must be increased. The amount of foam material increases, making it difficult to reduce costs.

  An object of the present invention is to provide a joinery that can be shielded by a small amount of heated foam material.

  The fitting of the present invention includes an opening frame and a door body that can be opened and closed with respect to the opening frame, and the door body is provided with a groove forming member that forms a groove portion. A groove bottom piece located opposite to the opening frame; and an inclined piece located on the opening frame side of the groove bottom piece, wherein the inclined piece is inclined with respect to the opening frame. The inclined piece is provided with a heating foam material.

According to the joinery of the present invention, while the groove depth from the opening frame to the groove bottom piece portion is formed large, the interval dimension from the opening frame to the inclined piece portion can be reduced, and the expansion from the inclined piece portion to the opening frame can be achieved. The amount of heating foam can be reduced.
Further, by providing a heating foam material on the inclined piece portion inclined with respect to the opening frame, the heating foam material expands toward the opening frame in a direction (diagonal direction) perpendicular to the inclined piece portion at the time of a fire. . For this reason, the contact area where the expansion end of the heating foam material contacts the opening frame can be increased more than the installation area with respect to the inclined piece portion of the heating foam material, and the indoor and the outside can be shielded by the heating foam material.

In the joinery of the present invention, the door body is provided with an airtight material in a portion on the indoor side of the inclined piece portion, and the outdoor edge portion of the inclined piece portion is below the indoor edge portion of the inclined piece portion. It is preferable to be located at.
According to such a configuration, the heating foam material provided in the inclined piece portion expands toward a position closer to the airtight material than the inclined piece portion in the event of a fire, so even if the door body is inclined in the event of a fire, etc. The airtight material can be shielded from the outside by reducing the influence of the inclination and the like, and the ignition of the airtight material can be suppressed.

In the joinery of the present invention, the opening frame includes an upper frame and a lower frame, and an upper rail provided on the upper frame, and the door body is a resin roller capable of traveling in a sliding direction along the upper rail. The lower frame is provided with a guide member, and the lower portion of the door body is provided with the groove forming member extending in the sliding direction, and the groove portion formed by the groove forming member includes the A guide member is disposed, and the inclined piece portion is preferably inclined with respect to the lower surface of the door.
According to the joinery of the present invention, the heating foam material provided on the inclined piece portion described above expands toward the upper surface of the lower frame in a direction (oblique direction) perpendicular to the inclined piece portion at the time of a fire. For this reason, the contact area where the expansion end of the heating foam material abuts on the upper surface of the lower frame can be increased more than the installation area with respect to the inclined piece portion of the heating foam material. Can shield from the upper surface.

In the joinery of the present invention, the groove forming member extends in an up and down direction continuous to an outdoor hanging piece portion where the outdoor edge portion of the inclined piece portion is continuous, an indoor edge portion of the inclined piece portion and the groove bottom piece portion. A connecting piece and an indoor hanging piece continuous to the groove bottom piece, the outdoor edge of the inclined piece being located below the indoor edge of the inclined piece, It is preferable that the connection piece part is attached with a stopper fitting facing the lower surface of the heating foam material provided in the inclined piece part.
According to such a configuration, since there is a connecting piece portion between the inclined piece portion and the groove bottom piece portion, the stopper fitting can be easily attached to the connecting piece portion, and the above-described stopper fitting is heated and foamed. It is possible to prevent the material from falling off the inclined piece.

In the joinery of the present invention, the groove forming member includes an outdoor hanging piece portion in which an outdoor edge portion of the inclined piece portion is continuous, a connecting piece portion that is continuous with an indoor edge portion of the inclined piece portion and the groove bottom piece portion, An indoor hanging piece that is continuous with the groove bottom piece, and the outdoor edge of the inclined piece is positioned below the indoor edge of the inclined piece, It is preferable that the inclination angle with respect to the lower surface of the door is set in a range in which the expansion destination of the heating foam material provided in the inclined piece portion is located on the outdoor side of the indoor hanging piece portion.
According to such a structure, the expansion | swelling end of the heating foam material expanded at the time of a fire can eliminate the part which contact | abuts an indoor hanging piece part, and can block | close between the lower surface of a door, and the upper surface of a lower frame.

In the joinery of the present invention, an airtight material is provided on a portion of the lower surface of the door located on the indoor side with respect to the inclined piece, and the lower frame is disposed to face the indoor surface of the door. It is preferable that at least one of the facing member and a portion of the indoor surface of the door facing the facing member is provided with a heating foam material.
According to such a configuration, at the time of a fire, the outdoor side portion of the airtight material can be covered by the expansion of the heating foam material provided in the inclined piece portion, and at least of the indoor surface of the facing portion and the door body The indoor side portion of the airtight material can be covered with another heating foam material provided on one side. As a result, the airtight material can be enclosed from the outdoor side and the indoor side in the event of a fire to shield the flame, and ignition of the airtight material can be suppressed.

  ADVANTAGE OF THE INVENTION According to this invention, the fitting which can shield a flame with few heat | fever foaming materials can be provided.

The external appearance figure which shows the sliding door which concerns on embodiment of this invention. The longitudinal cross-sectional view which shows the sliding door which concerns on the said embodiment. The longitudinal cross-sectional view which expands and shows the upper part of the sliding door which concerns on the said embodiment. The longitudinal cross-sectional view which expands and shows the lower part of the sliding door which concerns on the said embodiment. The longitudinal cross-sectional view which shows the time of the fire of the sliding door which concerns on the said embodiment. The longitudinal cross-sectional view which expands and shows the time of the fire of the upper part of the sliding door which concerns on the said embodiment. The longitudinal cross-sectional view which expands and shows the time of the fire of the lower part of the sliding door which concerns on the said embodiment.

[Configuration of this embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2, a sliding door 1 that is a fitting according to the present embodiment is attached to an opening of a building frame and is used as an entrance sliding door of a detached house or the like, and includes an upper frame 11 and a lower frame. A fire door constructed by combining a frame 10 (opening frame) configured by framing 12 and the left and right vertical frames 13, an upper bone 21, a lower bone 22, left and right vertical bones 23, and a face material 24. The door body 20 is provided. In FIG. 1, the right side portion in the frame body 10 is opened and configured as an entrance / exit 2, and the left side portion is configured as a door pocket 3. The face member 24 is provided with a handle 4 and a cylinder lock 5.

The upper frame 11, the lower frame 12, and the left and right vertical frames 13 are formed of an aluminum extruded profile.
As shown in FIG. 3, the upper frame 11 includes an outdoor finding piece 111, a prospective piece portion 112, an indoor finding piece portion 113, a mounting piece portion 114, a connecting piece portion 115, and a facing member 116. It is configured.
The outdoor finding piece 111 is detachably attached to the outdoor end of the prospective piece portion 112, and mohair is attached to the lower end thereof. The prospective piece portion 112 has an indoor finding piece portion 113 continuous with an indoor end thereof, and an attachment piece portion 114 is continuous with a portion closer to the outdoor side than the indoor finding piece portion 113. The lower ends of the indoor finding piece 113 and the attachment piece 114 are connected by a connecting piece 115. A counter member 116 is attached to the connecting piece 115. The facing member 116 has an upper frame finding piece portion 116 </ b> A that faces the indoor surface 21 </ b> A of the upper bone 21 of the door body 20 with a gap 7 therebetween. An airtight material 117 that is slidably in contact with the indoor surface 21A of the upper bone 21 is attached to the upper frame finding piece portion 116A.

  As shown in FIG. 2, the lower frame 12 includes a prospective piece 121 and a facing member 123. The upper surface 122 of the prospective piece 121 is disposed in parallel with the lower surface 25 (see FIG. 4) of the door body 20. On the upper surface 122, a resin guide member 125 such as polyacetal (POM) is provided. The resin guide member 125 is disposed at a substantially intermediate position (substantially intermediate position in the sliding direction) of the lower frame 12. The facing member 123 is formed in the indoor portion of the prospective piece 121, and is disposed to face the indoor surface 22 </ b> A (see FIG. 4) of the lower bone 22 of the door 20 in the prospective direction of the lower frame 12.

The upper bone 21, the lower bone 22, and the left and right vertical bones 23 of the door 20 are made of iron.
As shown in FIG. 3, the upper bone 21 constitutes the upper edge portion of the door body 20 and has a substantially U-shaped cross section.
As shown in FIG. 4, the lower bone 22 includes a lower bone main body 221 having a U-shaped cross section and a groove forming member 222 (edge material) provided inside the lower bone main body 221. It constitutes the lower edge (lower part).

The groove forming member 222 is formed to extend in the sliding direction along the lower bone main body 221. The groove forming member 222 includes an outdoor hanging piece 223, an inclined piece 224, a connecting piece 225, a groove bottom piece 226, and an indoor hanging piece 227.
The upper edge of the outdoor hanging piece 223 is continuous with the outdoor edge of the inclined piece 224, and the indoor edge of the inclined piece 224 is continuous with the lower edge of the connecting piece 225 extending in the vertical direction. The upper edge of the connecting piece 225 is continuous with the outdoor edge of the groove bottom piece 226, and the indoor edge of the groove bottom piece 226 is continuous with the upper edge of the indoor hanging piece 227. Further, lower pieces 228 and 229 are formed on the lower edges of the outdoor hanging piece 223 and the indoor hanging piece 227, respectively. The lower surface 25 of the door body 20 is a surface along the lower surfaces of the lower piece portions 228 and 229.
An airtight material 230 is attached to the lower surface of the lower piece 229 that is continuous with the indoor hanging piece 227.
The inclined piece 224 is disposed at a position lower than the groove bottom piece 226. The inclined piece 224 is formed so as to be inclined with respect to the upper surface 122 of the lower frame 12 in such a direction that the outdoor edge is positioned below the indoor edge. A step portion is formed in the groove forming member 222 by the inclined piece portion 224 and the connecting piece portion 225.
The groove forming member 222 forms a guide groove 222A (groove portion) in which the resin guide member 125 is disposed. The groove opening surface of the guide groove 222 </ b> A is located along the lower surface 25 of the door body 20.

The door 20 is supported on the upper frame 11 by an upper suspension structure 30 shown in FIG. The upper suspension structure 30 includes an upper rail 31 that is screwed to the attachment piece 114 of the upper frame 11, and a plurality of resin rollers 33 that are attached to the upper bone 21 via attachment fittings 32. The upper rail 31 is formed so as to extend in the sliding direction along the upper frame 11, and has a convex portion with which the resin roller 33 is engaged so as to be able to run. The resin roller 33 is configured to include a roller body, a bearing, and the like, but the roller body only needs to be made of resin such as polyacetal (POM), and the bearing is made of metal instead of resin, Only the outer peripheral part which contacts the upper rail 31 of a roller main body contains what is made of resin. The resin roller 33 has a concave portion that engages with the convex portion of the upper rail 31 on the outer peripheral portion. Thereby, the door body 20 is supported by being suspended so as to be slidable in the left-right direction in FIG. Note that the convex portion of the resin roller 33 may be engaged with the concave portion of the upper rail 31.
In the state where the door 20 is supported by being suspended, as shown in FIG. 4, the vertical distance between the lower surface 25 of the lower bone 22 and the upper surface 122 of the lower frame 12 is set to a dimension L2.

  The upper rail 31 is formed of an aluminum extruded shape member, and is screwed to a reinforcing material 34 made of Z-shaped steel disposed between the indoor finding piece portion 113 and the attachment piece portion 114. The reinforcing material 34 is screwed to the building housing 6, and the upper rail 31 is connected to the building housing 6 by the reinforcing material 34. The reinforcing material 34 is made of a metal material such as stainless steel having a melting temperature higher than that of the extruded aluminum shape.

A plurality of stoppers 35 having a substantially L-shaped cross section are attached to the lower surface of the upper rail 31 along the upper rail 31. The anti-separation fittings 35 are not provided on the door pocket 3 side, but are provided on the doorway 2 side.
The detachment stopper 35 includes an attachment piece 351 that is screwed to the upper rail 31 and a hanging piece 352 (hanging portion) that hangs downward from the attachment piece 351.
The lower end of the hanging piece 352 is disposed to face the upper surface of the upper bone 21. Thereby, in the closed state of the sliding door 1, when the door body 20 is lifted, it comes into contact with the hanging piece 352, so that the lifting amount of the door body 20 is regulated by the detachment stopper 35, and the upper rail 31 of the resin roller 33. Prevent falling off.

[Fireproof structure at the top of the sliding door]
The fire prevention structure 40 at the upper part of the sliding door is configured as follows.
As shown in FIG. 3, a fall prevention metal fitting 41 is attached to the upper bone 21. The fall prevention metal fitting 41 has a substantially L-shaped cross section and is formed to extend in the sliding direction along the upper bone 21.

The fall prevention metal fitting 41 is formed as a threading material that extends along the upper bone 21. The fall prevention metal fitting 41 includes an attachment piece 411 (attachment portion) attached to the upper surface of the upper bone 21 and a rising piece portion 412 (rise portion) raised from the attachment piece 411. Yes. The attachment piece 411 is disposed on the outdoor side of the rising piece 412.
The rising piece 412 is disposed on the indoor side of the drooping piece 352 and on the drooping piece 352 side of the indoor surface 21 </ b> A of the upper bone 21. The upper end of the rising piece portion 412 is located above the lower end of the drooping piece portion 352. The dimension L1 between the upper end of the rising piece part 412 and the lower end of the hanging piece part 352 in the vertical direction is set to be larger than the dimension L2 of the distance between the lower surface of the lower bone 22 and the upper surface 122 of the lower frame 12. The distance L1 between the upper end of the rising piece portion 412 and the lower end of the drooping piece portion 352 is set within a range that does not become 0 or less even when the resin roller 33 melts and the door 20 falls and tilts during a fire. Has been.
The rising piece portion 412 is formed to extend over the entire length of the upper bone 21, and heating foam materials 42 </ b> A and 42 </ b> B, which will be described later, are attached to the indoor surface and the outdoor surface of the rising piece portion 412. The heating foam material 42 </ b> A is pasted over the entire length of the rising piece 412.

A sheet-like heating foam material 42A is attached to the indoor surface of the rising piece portion 412, and a sheet-like heating foam material 42B is attached to the outdoor surface of the rising piece portion 412. Further, a sheet-like heating foam material 42 </ b> C is attached to the upper surface of the mounting piece 411.
The heating foam material 42A is provided in an orientation in which it can expand toward the upper frame finding piece portion 116A. The facing surface facing the upper frame finding piece portion 116A of the heating foam material 42A is disposed flush with the indoor surface 21A of the upper bone 21.
The heating foam material 42B is provided in a direction that allows expansion from the outdoor surface of the rising piece 412 toward the outdoor side (the direction opposite to the expansion direction of the heating foam material 42A).
The heating foam material 42 </ b> C is provided in a direction in which it can expand upward from the upper surface of the mounting piece 411 toward the lower surface of the upper rail 31.

[Fireproof structure under the sliding door]
The fire prevention structure 50 under the sliding door is configured as follows.
As shown in FIG. 4, a sheet-like heating foam material 42 </ b> D is attached to the inclined piece 224 of the groove forming member 222. The inclination angle of the inclined piece 224 with respect to the lower surface 25 of the door 20 is set in a range where the expansion destination of the heating foam 42D is located on the outdoor side of the indoor hanging piece 227. For example, the indoor hanging piece 227 during expansion It can be set large within the range where it does not abut. Further, the heating foam material 42 </ b> D is configured to be inflatable by a distance L <b> 3 in the vertical direction between the position provided on the inclined piece 224 and the lower surface 25 of the door 20.
A drop fitting 51 is riveted to the connecting piece 225. A plurality of stopper fittings 51 are provided along the groove forming member 222. The stopper fitting 51 is plate-shaped and its lower part is bent to the outdoor side, and this bent part faces the lower surface of the heating foam material 42D.
In addition, the heating foam materials 42 </ b> E and 42 </ b> F are attached to the facing member 123 of the lower frame 12 in a direction that allows expansion toward the lower bone 22.

[Operation of this embodiment]
Hereinafter, the effect | action of the sliding door 1 which concerns on this embodiment is demonstrated. For example, when a fire occurs on the outdoor side, it is as follows.
At the time of a fire on the outdoor side, the sliding door 1 is exposed to a flame and the temperature rises, the resin roller 33 and the resin guide member 125 are melted, and as shown in FIG. 4) is dropped. At this time, even if the door 20 tilts to the outdoor side, as shown in FIG. 6, the rising piece 412 of the fall-preventing metal fitting 41 comes into contact with the drooping piece 352 of the anti-falling metal fitting 35, Regulate tilting outward. Even if the door 20 is tilted indoors, the upper bone 21 is in contact with the upper frame finding piece 116A, so that the door 20 is prevented from tilting indoors. Even in the state in which the door 20 is dropped, the indoor surface of the rising piece 412 is in a position facing the upper frame finding piece 116A.
The heating foam materials 42A, 42B, and 42C provided on the fall prevention metal fitting 41 are respectively foamed by the temperature rise, and close the gap between the upper bone 21 and the upper frame 11.
5 and 6, the outdoor finding piece 111 of the upper frame 11 is not shown because it is exposed to the flame and burned out.

The heating foam material 42D provided on the inclined piece portion 224 of the lower bone 22 and the heating foam materials 42E and 42F provided on the facing member 123 of the lower frame 12 respectively foam as the temperature rises.
As shown in FIG. 7, the heating foam material 42 </ b> D expands in a direction orthogonal to the inclined piece portion 224, and the expansion end abuts on the upper surface 122 of the lower frame 12, so The inside and outside of the frame 12 is shielded from flame between the upper surface 122 and the flame shielding state is maintained even if the lower bone 22 and the lower frame 12 are deformed and deformed by heat. Here, the contact area of the heating foam material 42D with respect to the upper surface 122 is larger than the installation area of the heating foam material 42D on the inclined piece 224. This contact area increases when the door 20 is slightly inclined to the outdoor side.
The heating foam materials 42E and 42F expand from the facing member 123 toward the indoor surface 22A of the lower bone 22 and contact the indoor surface 22A of the lower bone 22 so that the lower bone 22 and the facing member 123 To close the gap.
As the heating foam materials 42D, 42E, and 42F expand, the airtight material 230 attached to the lower piece 229 of the lower bone 22 is shielded from the outdoor side and the indoor side.
In this way, the lower part of the sliding door is shielded by the fire prevention structure 50.

[Effect of this embodiment]
(1) The sliding door 1 according to the present embodiment includes a frame body 10 and a door body 20 that can be freely opened and closed with respect to the frame body 10, and the door body 20 has a groove forming member that forms a guide groove 222 </ b> A. 222, and the groove forming member 222 includes a groove bottom piece 226 positioned opposite to the frame body 10, and an inclined piece 224 positioned closer to the frame body 10 than the groove bottom piece 226. The part 224 is inclined with respect to the frame body 10, and the inclined piece part 224 is provided with a heating foam material 42D.
For this reason, while the groove depth from the frame 10 to the groove bottom piece 226 is increased, the distance L3 from the frame 10 to the inclined piece 224 can be reduced, and the groove 10 expands from the inclined piece 224 to the frame 10. Therefore, the amount of the heated foam material 42D can be reduced.
Further, by providing the heating foam material 42D on the inclined piece portion 224 that is inclined with respect to the frame body 10, the heating foam material 42D is arranged in a direction perpendicular to the inclined piece portion 224 (an oblique direction) in the event of a fire. Inflates toward. For this reason, the contact area where the expansion end of the heating foam material 42D contacts the frame body 10 can be increased more than the installation area of the heating foam material 42D with respect to the inclined piece 224, and the door body is expanded by the expansion of the heating foam material 42D. The flame can be shielded between the lower surface 25 of 20 and the upper surface 122 of the lower frame 12.
(2) The door 20 is provided with an airtight material 230 on the indoor side of the inclined piece 224, and the outdoor edge of the inclined piece 224 is below the indoor edge of the inclined piece 224. To position. For this reason, the heating foam 42D provided in the inclined piece 224 expands toward a position closer to the airtight material 230 than the inclined piece 224 (a position closer to the indoor side than the inclined piece 224) at the time of a fire. Even if the door 20 is inclined in the event of a fire, the airtight material 230 can be shielded from the outdoor side by reducing the influence of the inclination and the like, and the ignition of the airtight material 230 can be suppressed.
(3) In the event of a fire, the resin roller 33 and the resin guide member 125 are melted and the door 20 is dropped, so that an expansion dimension corresponding to the interval of the drop dimension L2 is not required for the heating foam material 42D. Therefore, the heating foam material 42 </ b> D can be reduced to an amount that can be expanded from the inclined piece portion 224 to the lower surface 25 of the door body 20.
(4) The locking piece 51 facing the lower surface of the heating foam 42D provided on the inclined piece 224 is attached to the connecting piece 225 of the groove forming member 222, so the inclined piece 224 and the groove bottom piece 226 are attached. The stopper fitting 51 can be easily attached to the connecting piece portion 225 between them, and the stopper member 51 can prevent the heating foam 42D from falling off the inclined piece portion 224.
(5) The outdoor edge portion of the inclined piece portion 224 is positioned below the indoor edge portion of the inclined piece portion 224, and the inclination angle of the inclined piece portion 224 with respect to the lower surface 25 of the door 20 is the inclined piece portion 224. The expansion destination of the heating foam material 42 </ b> D provided in is set in a range located on the outdoor side of the indoor hanging piece 227. For this reason, the expansion | extension end of heating foam 42D expanded at the time of a fire can eliminate the part which contact | abuts indoor hanging piece part 227, and the contact area of heating foam 42D with respect to the upper surface 122 of the lower frame 12 can be increased significantly. . Thereby, the space between the lower surface 25 of the door 20 and the upper surface 122 of the lower frame 12 can be closed.
(6) A portion of the lower surface 25 of the door body 20 located on the indoor side of the inclined piece 224 is provided with an airtight material 230, and the lower frame 12 is disposed to face the indoor surface of the door body 20. The opposing member 123 is formed, and the opposing member 123 is provided with heating foam materials 42E and 42F. For this reason, at the time of a fire, the outdoor side part of the airtight material 230 can be covered by the expansion of the heating foam material 42D provided on the inclined piece 224, and the heating foam materials 42E and 42F provided on the facing member 123 The indoor side portion of the airtight material 230 can be covered. Thereby, the airtight material 230 can be enclosed and shielded from the outdoor side and the indoor side in the event of a fire, and the ignition of the airtight material 230 can be suppressed.

[Modification]
The present invention is not limited to the configuration described in the above embodiment, and modifications within a range in which the object of the present invention can be achieved are included in the present invention.
For example, in the above-described embodiment, the upper rail 31 is connected to the building housing 6 by the reinforcing material 34, but the configuration of the reinforcing material 34 is omitted, and the upper rail 31 is only attached to the mounting piece 114 of the upper frame 11. It may be attached.

  In the embodiment, the heating foam materials 42B and 42C are provided on the indoor surface of the rising piece portion 412 and the attachment piece portion 411 of the fall prevention metal fitting 41, but either one or both of the heating foam materials 42B and 42C. May be omitted.

In the embodiment, the facing surface facing the upper frame finding piece portion 116A of the heating foam 42A provided on the indoor surface of the rising piece portion 412 is arranged flush with the indoor surface 21A of the upper bone 21. The indoor surface of the rising piece portion 412 may be arranged flush with the indoor surface 21A of the upper bone 21, and the indoor surface of the rising piece portion 412 is more than the indoor surface 21A of the upper bone 21. You may arrange | position near the outdoor side.
Here, when the rising piece portion 412 is arranged closer to the outdoor side than the indoor surface 21A of the upper bone 21, the clearance between the rising piece portion 412 and the hanging piece portion 352 can be reduced, whereas the rising piece portion 412 and The gap 7 between the upper frame finding pieces 116A is increased. Conversely, when the rising piece portion 412 is disposed closer to the indoor side than the indoor surface 21A of the upper bone 21, the clearance between the rising piece portion 412 and the hanging piece portion 352 is increased, whereas the rising piece portion 412 and The gap 7 between the upper frame finding pieces 116A can be reduced. The expected position of the rising piece 412 is set in consideration of the above points.

  In the above-described embodiment, the locking metal fitting 51 facing the heating foam material 42D provided on the inclined piece portion 224 of the lower bone 22 is provided, but the configuration of the locking metal fitting 51 may be omitted.

  In the embodiment, the inclination angle of the inclined piece portion 224 relative to the lower surface 25 of the door body 20 is set in a range where the expansion destination of the heating foam 42D is located on the outdoor side of the indoor hanging piece portion 227. It is not limited, For example, you may set large in the range in which a part of heating foam material 42D contact | abuts the indoor hanging piece part 227 at the time of expansion | swelling.

  In the above embodiment, the inclined piece 224 of the lower bone 22 is provided on the outdoor side of the groove bottom piece 226, but is not limited thereto, and may be provided on the indoor side of the groove bottom piece 226. Good. Specifically, the indoor edge of the inclined piece 224 is continuous with the indoor hanging piece 227, the outdoor edge of the inclined piece 224 is continuous with the connecting piece 225, and the connecting piece 225 is the groove bottom piece 226. It may be continuous with the indoor edge. In this case, the indoor edge portion of the inclined piece portion 224 is positioned below the outdoor edge portion of the inclined piece portion 224.

  In the embodiment, the heating foam materials 42A to 42F are attached to the fall prevention metal fitting 41, the groove forming member 222, and the facing member 123, respectively, but are not limited thereto, and may be attached by screwing or the like. .

  In the above-described embodiment, the heating foam materials 42E and 42F are provided on the facing member 123 of the lower frame 12, but in addition to or instead of these, heating foaming is performed on the indoor surface 22A of the lower bone 22 facing the facing member 123. A material may be provided.

  The resin roller 33 includes a roller body, a bearing, and the like. However, the roller body only needs to be made of resin, and the bearing or the like may be made of metal instead of resin. Only the outer peripheral part contacting the upper rail of the main body may be made of resin.

In the above embodiment, the door 20 has the upper bone 21, the lower bone 22, and the left and right vertical bones 23. Instead, the door 20 has an upper collar, a lower collar, and left and right vertical collars. In this case, the groove forming member 222 may be provided on the lower arm.
Further, the groove forming member 222 may be provided on the vertical bone 23 on the door-end side or the above-described vertical rod. In this case, the heating foam 42D provided on the inclined piece portion 224 is the vertical frame 13 on the door-end side. It is arrange | positioned so that expansion | swelling is possible.

In the above-described embodiment, the sliding door 1 on which the door 20 is suspended and supported as a joinery has been described, but the present invention is not limited to this. For example, it may be a sliding door provided with a door whose upper edge and lower edge are slidably engaged with an opening of an upper frame and a lower frame or a building frame. A groove forming member 222 is provided on the lower edge, and the heating foam 42D provided on the inclined piece 224 is the lower surface of the upper frame or the upper surface of the lower frame (if the mating counterpart is an opening of the building frame, You may arrange | position so that expansion | swelling is possible toward the lower surface of the upper edge part of an opening part, and the upper surface of a lower edge part. A groove forming member 222 may be provided on the vertical edge portion of the door body on the door tip side.
Moreover, as a fitting, it may be a hinged door instead of each sliding door mentioned above. In this case, the groove forming member 222 is provided in any or all of the upper edge, the lower edge, and the left and right vertical edges of the door located in the closed state and facing the opening of the frame or the building frame. May be.
In addition to the above-described configuration, the groove forming member 222 may be formed of a shoji paper, or may be formed by bending a steel plate.

  DESCRIPTION OF SYMBOLS 1 ... Sliding door, 2 ... Doorway, 3 ... Door pocket, 4 ... Handle, 5 ... Cylinder lock, 6 ... Building housing, 7 ... Gap, 10 ... Frame (opening frame), 11 ... Upper frame, 111 ... Outdoor spotting piece, 112 ... Expected piece, 113 ... Indoor finding piece, 114, 351, 411 ... Mounting piece, 115, 225 ... Connecting piece, 116, 123 ... Opposing member, 116A ... Upper frame finding piece, 117, 230 ... Airtight material, 12 ... lower frame, 121 ... prospective piece, 122 ... upper surface, 125 ... resin guide member, 13 ... vertical frame, 20 ... door body, 21 ... upper bone, 21A, 22A ... indoor surface, 22 ... lower bone 221 ... lower bone main body, 222 ... groove forming member, 222A ... guide groove (groove part), 223 ... outdoor hanging piece part, 224 ... inclined piece part, 226 ... groove bottom piece part, 227 ... indoor hanging piece part, 228, 229 ... lower piece, 23 ... longitudinal bone, 24 ... face material, 25 ... Surface, 30 ... Uplift structure, 31 ... Up rail, 32 ... Mounting bracket, 33 ... Resin roller, 34 ... Reinforcing material, 35 ... Retaining bracket, 352 ... Draft piece, 36 ... Angle material, 37 ... Roller, 40, 50 ... Fire prevention structure, 41 ... Fall-prevention metal fitting, 412 ... Rising piece part, 42A-42F ... Heating foam material, 51 ... Fall-off metal fitting.

Claims (6)

An opening frame, and a door provided to be openable and closable with respect to the opening frame,
The door body is provided with a groove forming member that forms a groove,
The groove forming member has a groove bottom piece located opposite to the opening frame, and an inclined piece located closer to the opening frame than the groove bottom piece,
The inclined piece portion is inclined with respect to the opening frame,
The inclined piece portion is provided with a heating foam material. The joinery according to claim 1.
The door body is provided with an airtight material in a portion on the indoor side of the inclined piece portion,
The outdoor edge part of the said inclined piece part is located below rather than the indoor edge part of the said inclined piece part. In the fitting according to claim 1 or claim 2,
The opening frame includes an upper frame and a lower frame, and an upper rail provided on the upper frame,
The door body is provided with a resin roller capable of traveling in a sliding direction along the upper rail,
A guide member is provided on the lower frame,
In the lower part of the door body, the groove forming member is provided extending in the sliding direction,
The guide member is disposed in the groove portion formed by the groove forming member,
The said inclined piece part inclines with respect to the lower surface of the said door. In the joinery according to claim 3,
The groove forming member includes an outdoor hanging piece portion in which an outdoor edge portion of the inclined piece portion is continuous, an indoor piece edge portion of the inclined piece portion, and a connecting piece portion extending in a vertical direction continuous to the groove bottom piece portion, An indoor hanging piece that is continuous with the groove bottom piece,
The outdoor edge of the inclined piece is located below the indoor edge of the inclined piece,
A fitting that is attached to the connecting piece portion and that faces the lower surface of the heating foam material provided on the inclined piece portion. In the joinery according to claim 3 or claim 4,
The groove forming member is continuous to the outdoor hanging piece portion where the outdoor edge portion of the inclined piece portion is continuous, the connecting piece portion continuous to the indoor edge portion of the inclined piece portion and the groove bottom piece portion, and the groove bottom piece portion. And has an indoor hanging piece
The outdoor edge of the inclined piece is located below the indoor edge of the inclined piece,
The inclination angle of the inclined piece portion with respect to the lower surface of the door body is set in a range in which the expansion destination of the heating foam material provided in the inclined piece portion is located on the outdoor side from the indoor hanging piece portion. Characteristic joinery. In the joinery according to any one of claims 3 to 5,
Of the lower surface of the door body, an airtight material is provided in a portion located on the indoor side of the inclined piece portion,
The lower frame is provided with a facing member disposed to face the indoor surface of the door,
A joinery characterized in that a heating foam material is provided on at least one of the facing member and the portion of the indoor surface of the door facing the facing member.

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