JP6741528B2 - Joinery - Google Patents

Description

The present invention relates to a fitting in which an end of a face material is held by a frame and a reinforcing material is provided between the frame and the end of the face material.

BACKGROUND ART Heretofore, a fitting has been known in which a frame member for holding a face material is composed of a metal frame member and a resin frame member (for example, refer to Patent Documents 1 and 2).
In Patent Documents 1 and 2, the metal frame (metal frame) and the resin frame (resin cover) are opposed to each other in the prospective direction by engaging with each other. The metal frame and the resin frame form a glass groove for holding the outer peripheral edge of the face material (multi-layer glass). In the glass groove, a metallic reinforcing material (glass front reinforcing material) having a U-shape in cross section surrounding the lower end of the face material is provided. Further, a plurality of piece-shaped falling prevention members each having a U-shaped cross section and supporting a reinforcing member are provided at the bottom of the glass groove.
Then, the metal frame member, the reinforcing member, and the plurality of fall prevention members described above constitute a fall-off prevention structure that prevents the face member from falling off when the resin frame member is melted by being heated by a fire or the like. doing.

Japanese Patent No. 5746608 Japanese Patent No. 5778848

However, the fall prevention structures described in Patent Documents 1 and 2 employ a metal frame member, a reinforcing material, and a plurality of fall prevention members, and are suitable for the workability in consideration of the workability of the fitting. It cannot be said that the number of parts is high. Therefore, there is a demand for a technique capable of reducing the number of parts of the falling prevention structure and improving the workability of fittings.

In view of the above situation, it is an object of the present invention to provide a fitting that can reduce the number of parts of a fall prevention structure and improve workability.

In order to achieve the above object, the fitting according to the present invention is a fitting in which an end of a face material is held by a frame and a reinforcing material is provided between the frame and the end of the face material. The frame is composed of a metal frame and a resin frame, and the metal frame has a base portion and a first fin portion that projects from the base portion and faces the face material in the prospective direction. The resin frame member includes a second fin portion that faces the first fin portion in the prospective direction with the face material interposed therebetween, and the reinforcing member extends along the prospective direction. And a first extending portion located between the base portion and the end portion of the first extending portion on the side of the second fin portion that is bent and extends between the face material and the second fin portion. and a second extending portion which is located, in the base, protrudes on the end side of the surface material from a position of the second fin portion than the center position of the estimated direction of the reinforcement, the central a first protrusion which abuts against the first extending portion at the location of the second fin portion side of a position, on the end side of the surface material from the position of the first fin portion side of the center position A second projecting portion that projects and abuts the first extending portion at a position closer to the first fin portion than the central position is formed.

According to the present invention, the base portion that constitutes the metal frame member is provided with the first protrusion that protrudes from the position of the second fin portion side (resin frame member side) with respect to the center position of the reinforcing member in the prospective direction. There is. Therefore, even if the resin frame material is melted by being heated by a fire or the like, the metal frame material (the first fin portion and the base portion (including the first protruding portion)) and the reinforcing material are used as the face material. It is possible to prevent the falling of the face material.
Therefore, according to the fitting according to the present invention, the fall prevention structure for preventing the face material from coming off can be configured by the metal frame (the first fin portion and the base portion (including the first protruding portion)) and the reinforcing material. it can. That is, it is possible to reduce the number of parts of the fall prevention structure and improve the workability of the fitting.
In particular, since the first protruding portion is formed at the above-described position, the first extending portion is inclined so that the end portion of the first extending portion on the second fin portion side moves to the outer peripheral side (base side). The fall of the reinforcing material can be prevented by the first protrusion. That is, when the reinforcement member rolls, an unexpected gap is generated between the reinforcement member and the metal frame member, and the gap may lead to fire. Since it is possible to prevent the generation of the gap), it is possible to sufficiently secure the fire prevention performance.

Further , in the present invention, since the first protrusion contacts the first extension, the metal frame (the first fin portion and the base (including the first protrusion)) and the reinforcing member prevent the occurrence of fire. Similarly, the face material can be held. Therefore, even if the resin frame material is melted by being heated by a fire or the like, the face material can be more reliably prevented from falling off.
Further, in the present invention, the above-described second protrusion is formed on the base. For this reason, the posture of the reinforcing material can be stabilized by the first and second protruding portions, and the face material can be effectively prevented from falling off.

Further, the present invention is the above-described fitting, wherein the metal frame member and the resin frame member are engaged with each other and face each other in a prospective direction, and the first protruding portion is the metal frame member. It is characterized in that it constitutes a part of the engaging structure between the material and the resin frame.
In the present invention, the first protrusion has a function of engaging with the resin-made frame member, in addition to constituting the above-mentioned fall prevention structure. Therefore, the structure of the metal frame member can be simplified as compared with the configuration in which the engaging portion that engages with the resin frame member is formed on the metal frame member separately from the first projecting portion.

Further, the present invention is the above-described fitting, wherein the face material is made of a multi-layer glass having a plurality of glass materials arranged facing each other in a prospective direction, and the first protrusion is the plurality of glass materials. It is characterized in that it is formed at a position facing the end of the glass material arranged closest to the second fin portion.
In the present invention, the first projecting portion is formed at a position facing the end portion of the glass material arranged closest to the second fin portion. Therefore, even if the glass material arranged closest to the second fin portion is heated by a fire or the like to cause thermal expansion, the above-mentioned fall of the reinforcing material is prevented by the first protruding portion. It can be effectively prevented.

Further, the present invention is characterized in that, in the above-described fitting, the second projecting portion is a screw hole for connecting the frame to another frame.
In the present invention, the second projecting portion functions as the above-described screw hole, in addition to configuring the above-described fall-out preventing structure. Therefore, the structure of the metal frame member can be simplified as compared with the configuration in which the second projecting portion is formed on the metal frame member separately from the screw hole.

Further, the present invention is characterized in that, in the fitting described above, the frame is a lower frame.
In the present invention, the above-mentioned frame is the lower frame. That is, by forming the above-described first protrusion on the lower frame, it is possible to most effectively prevent the face material from falling off.

According to the fitting according to the present invention, it is possible to reduce the number of parts of the falling prevention structure and improve the workability.

FIG. 1 is a view of a fitting according to the first embodiment of the present invention as viewed from the indoor side. FIG. 2 is a vertical sectional view of the fitting shown in FIG. 1. FIG. 3 is an enlarged view of a lower portion of the shoji shoji shown in FIG. FIG. 4 is a diagram for explaining the effect of the first embodiment of the present invention, and is a diagram showing a state where the resin frame member is removed from the lower frame shown in FIG. 5: is a figure corresponding to FIG. 3, and is the figure which expanded the lower part of the shoji screen which comprises the fitting which concerns on Embodiment 2 of this invention. FIG. 6 is a diagram showing a state where the resin frame member is removed from the lower frame shown in FIG.

Hereinafter, modes (hereinafter, embodiments) for carrying out the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below. Further, in the description of the drawings, the same reference numerals are given to the same portions.

(Embodiment 1)
[Schematic structure of fittings]
FIG. 1 is a view of a fitting 1 according to Embodiment 1 of the present invention as viewed from the indoor side. FIG. 2 is a vertical sectional view of the fitting 1.
The “probable direction” described below is a direction along the depth of the fitting 1, as indicated by an arrow Ar in FIG. 2. A plane along the prospective direction may be referred to as a prospective surface, and a plane orthogonal to the prospective direction may be referred to as a finding surface.
The fitting 1 is formed of a sliding window and includes a frame body 2, an external shoji 3, and an internal shoji 4.
The frame body 2 is configured by forming an upper frame 21, a lower frame 22, a left vertical frame 23 located on the left side in FIG. 1, and a right vertical frame 24 located on the right side in FIG. It is attached along the edge of the opening Op.
Each of these frame members 21 to 24 is an extruded frame member made of synthetic resin or metal such as aluminum, and has a substantially uniform cross-sectional shape over the entire length.

The outer shoji screen 3 is located outside the inner shoji screen 4 and is attached to the frame body 2 so as to be openable and closable in the left-right direction in FIG. The shoji screen 3 includes a face material 31 and a frame 32.
The face material 31 is composed of two layers of double-layer glass in which two glass materials 312 and 313 are face-to-face arranged with a space therebetween with a spacer 311 therebetween. In the first embodiment, among the two glass materials 312 and 313, the glass material 312 positioned on the outdoor side is a glass with a net enclosed therein. Further, as the glass material 313 located on the indoor side, Low Emissivity glass (low emission glass) having a metal film provided on one surface is adopted.
The frame 32 is configured by assembling an upper frame 33, a lower frame 34, a door frame 35, and a summing frame (not shown), and holds the face member 31 inside.
Here, the lower frame 34 corresponds to the frame according to the present invention. The detailed structure of the lower frame 34, which is a main part of the present invention, will be described later.

The inner shoji 4 is attached to the frame body 2 so as to be opened and closed in the left-right direction in FIG. The inner shoji 4 includes a face material 31 (including a spacer 311 and two glass materials 312 and 313) and a frame 32 (an upper frame 33, a lower frame 34, a doorframe 35, and a combination frame) in the outer shoji 3. (Including not shown)) and a face material 41 (including a spacer 411 and two glass materials 412 and 413) and a frame body 42 (upper frame 43, lower frame 44, door end frame 45, and assembling). (Including the frame 46).
Here, the lower frame 44 corresponds to the frame according to the present invention. The detailed structure of the lower frame 44, which is a main part of the present invention, will be described later.

In the above-mentioned outer shoji 3 and inner shoji 4, when the door end frame 35 abuts on the left vertical frame 23 and the door end frame 45 abuts on the right vertical frame 24, the assembling frame of the outer shoji 3 ( (Not shown) and the summing frame 46 of the inner shoji 4 engage with each other. Then, the opening Op is closed by the external shoji 3 and the internal shoji 4. In this state, the summing frame (not shown) of the external shoji 3 and the summing frame 46 of the inner shoji 4 can be locked by the crescent CR (FIG. 1). By locking with the crescent CR, the outer shoji 3 and the inner shoji 4 are held in a state in which the opening Op is closed.

[Structure of lower frame]
The lower frame 34 of the outer shoji 3 and the lower frame 44 of the inner shoji 4 have the same configuration. Therefore, hereinafter, only the configuration of the lower frame 34 of the shoji screen 3 will be described. With respect to the lower frame 44 of the inner shoji 4, the same components as those of the lower frame 34 of the outer shoji 3 are denoted by the same reference numerals, and detailed description thereof will be omitted.
FIG. 3 is an enlarged view of the lower portion of the shoji screen 3 shown in FIG.
The lower frame 34 includes a metal frame member 37 and a resin frame member 38, and the frame members 37 and 38 are engaged with each other and face each other in the prospective direction.
The metal frame member 37 is an extruded frame member made of metal such as aluminum and has a substantially uniform cross-sectional shape over the entire length. The metal frame member 37 includes a base portion 371, an inner circumference side fin portion 372, and a pair of outer circumference side fin portions 373.

The base portion 371 has a rectangular tube shape extending along the longitudinal direction of the metal frame 37.
In the base portion 371, the upper wall portion 37a forming the upper side prospective surface is extended to the indoor side, and the end portion on the indoor side is located inside the side wall portion 37b forming the indoor side finding surface. A screw hole 374 and a first engagement receiving portion 375 are formed in the upper wall portion 37a.
The screw hole 374 is a portion for fixing the door frame 35 or the summing frame (not shown) and the lower frame 34 with screws, and projects upward from the upper surface of the upper wall portion 37a. The screw hole 374 corresponds to the second protruding portion according to the present invention.
The first engagement receiving portion 375 is a portion that constitutes a part of the engaging structure of the metal frame member 37 and the resin frame member 38, and includes a first projecting portion 376 and a hook portion 377.
The first protruding portion 376 is a portion protruding upward from the upper surface of the upper wall portion 37 a and has the same height dimension as the height dimension of the screw hole 374.
The hook-shaped portion 377 is bent and extends upward from the indoor-side end of the upper wall portion 37a, and is formed in a hook shape in which the tip is bent to the outdoor side.

The inner fin portion 372 corresponds to the first fin portion according to the present invention, and is a portion that extends upward from the outdoor end of the upper wall portion 37a.
The pair of outer circumferential fin portions 373 are portions that extend downward from the indoor-side and outdoor-side ends of the lower wall portion 37c that constitutes the lower-side prospective surface of the base portion 371.
A part of the rail 221 that is provided in the lower frame 22 and that guides the opening/closing movement of the shoji 3 is provided in the U-shaped lower groove portion 39a formed by the pair of outer peripheral fins 373 and the lower wall portion 37c. Is inserted.
In addition, of the pair of outer fins 373, the inner side surface of the outer fin 373 located on the indoor side has a hook-shaped second engagement member that projects toward the indoor side and has its tip bent downward. A receiving unit 378 is provided.

The resin frame 38 is an extruded frame made of synthetic resin and has a substantially uniform cross-sectional shape over the entire length. The resin frame 38 includes a plate 381 and first and second engaging portions 382 and 383.
The plate body 381 has a substantially flat plate shape extending along the longitudinal direction of the resin frame 38. The plate body 381 has a length substantially the same as the length of the metal frame member 37, and has a width dimension substantially the same as the width dimension of the metal frame member 37 (the length dimension in the vertical direction in FIG. 3). ..
The first engaging portion 382 is formed in a hook shape that protrudes outward from the outdoor surface of the plate 381 and has its tip bent downward.
The second engaging portion 383 is bent and extends from the lower end portion of the plate body 381 to the outside of the room, and is formed in a hook shape with its tip bent upward.

The resin frame 38 described above hooks (engages) the second engaging portion 383 to the second engaging receiving portion 378, and the first engaging receiving portion 375 (the first protruding portion 376 and the hook-shaped portion 377). It is attached to the metal frame 37 by hooking (engaging) the first engaging portion 382 between (and). In this state, the upper end portion 384 of the plate body 381 faces the inner circumferential fin portion 372 in the prospective direction. That is, the upper portion 384 corresponds to the second fin portion according to the present invention.
Then, the lower end portion of the face material 31 is arranged in the U-shaped upper groove portion 39b formed by the inner fin portion 372, the upper end portion 384, and the upper wall portion 37a via the grechan 5. Held in. In addition, a reinforcing material 6 that prevents the face material 31 from falling off is provided inside the upper groove portion 39b.

The reinforcing member 6 is made of a metal material such as stainless steel and has a substantially same length as the lower frame 34. The reinforcing member 6 includes a first extending portion 61 and a second extending portion 62, and has an L-shaped cross section.
The first extending portion 61 is composed of a plate body extending along the prospective direction, and the length dimension along the prospective direction is set to be substantially the same as the width dimension along the prospective direction of the upper groove portion 39b. The first extending portion 61 is located between the face material 31 and the base portion 371 (upper wall portion 37a).
Further, between the upper surface of the first extending portion 61 and the ghrechan 5, a plurality of setting blocks 611, a first thermally expandable member (heated foam material) 612, and a plurality of second thermally expandable members (heating Foam material) 613 is provided.

The plurality of setting blocks 611 are each formed of a plate body made of metal such as aluminum, and are arranged in parallel along the longitudinal direction of the reinforcing material 6. The plurality of setting blocks 611 are provided between the upper surface of the first extending portion 61 and the grechan 5 to support the face material 31 and prevent the face material 31 from sliding down.
The first heat-expandable member 612 is a member that foams when heated, extends over the entire length of the first extending portion 61, the upper surface of the first extending portion 61, and a plurality of setting blocks 611. And is provided on the indoor side.
The second heat-expandable member 613 is a member that foams when heated similarly to the first heat-expandable member 612, and is provided in the same number as the setting blocks 611. The plurality of second heat-expandable members 613 are provided outside the room between the upper surface of the first extending portion 61 and the plurality of setting blocks 611, and are provided only below the setting block 611. ..

The second extending portion 62 is configured by a plate body that is bent and extends upward from the indoor end portion of the first extending portion 61. The second extending portion 62 is located between the face material 31 and the upper end portion 384 of the plate body 381.
The reinforcement member 6 described above is attached to the metal frame member 37 by fixing the first extending portion 61 to the upper surface of the upper wall portion 37a with the screw Sc. Then, the reinforcing member 6 is supported by the screw holes 374 and the first protruding portions 376, with the first extending portions 61 contacting the tips of the screw holes 374 and the first protruding portions 376.

[Positional relationship between the first protrusion, the screw hole, and the reinforcing material]
Next, the positional relationship between the first protrusion 376, the screw hole 374, and the reinforcing member 6 will be described with reference to FIG.
The first protruding portion 376 is located closer to the plate body 381 than the center position CP1 of the reinforcing member 6 in the prospective direction. The first protrusion 376 is located closer to the plate 381 than the center of gravity (not shown) of the face member 31. More specifically, the first protrusion 376 is located below the glass material 313, which is the closest to the plate body 381, of the two glass materials 312 and 313. That is, the first protrusion 376 is formed at a position facing the end of the glass material 313.
Further, the center position CP2 of the screw hole 374 in the prospective direction is located between the first projecting portion 376 and the inner circumference side fin portion 372. More specifically, the central position CP2 is located closer to the fin portion 372 on the inner peripheral side than the central position CP1. The center position CP2 is located closer to the fin portion 372 on the inner peripheral side than the center of gravity (not shown) of the face material 31.

The fitting 1 according to the first embodiment described above has the following effects.
FIG. 4 is a diagram for explaining the effect of the first embodiment of the present invention, and is a diagram showing a state where the resin frame member 38 is removed from the lower frame 34 shown in FIG.
In the fitting 1 according to the first embodiment, the base 371 forming the metal frame 37 has a first protrusion that protrudes upward from a position closer to the plate 381 than the center position CP1 of the reinforcing member 6 in the prospective direction. A portion 376 is formed. Therefore, even if the resin frame 38 is burned down by being heated by a fire or the like (FIG. 4 ), the metal frame 37 (the inner circumference side fin 372 and the base 371 (the first protrusion 376). It is possible to support the face materials 31 and 41 by means of (including) and the reinforcing material 6 and prevent the face materials 31 and 41 from falling off.
Therefore, according to the fitting 1 of the first embodiment, the metal frame 37 (the inner fin portion 372 and the base 371 (the first protruding portion 376) is provided with a fall prevention structure for preventing the face materials 31 and 41 from coming off. ))) and the reinforcing material 6. That is, it is possible to reduce the number of parts of the falling prevention structure and improve the workability of the fitting 1.

In particular, since the first projecting portion 376 is formed at the above-described position, the reinforcing member 6 in which the first extending portion 61 is inclined so that the indoor end of the first extending portion 61 moves downward. The fall can be prevented by the first protrusion 376. That is, when the fall of the reinforcement member 6 occurs, an unexpected gap is generated between the reinforcement member 6 and the metal frame member 37, and the gap may lead to a fire. Since it is possible to prevent the rolling of 6 (the occurrence of the gap), it is possible to sufficiently secure the fire prevention performance. In addition, the fire-expanding performance can be stabilized without the thermal expansion member 611 crushing or foaming being hindered in accordance with the fall of the reinforcing member 6.

In addition, in the fitting 1 according to the first embodiment, the first projecting portion 376 contacts the first extending portion 61. Therefore, the metal frame 37 (the inner fin portion 372 and the base 371 (including the first projecting portion 376)) and the reinforcing member 6 similarly support the face materials 31 and 41 before and after the fire occurrence. You can Therefore, even if the resin frame 39 is burned by being heated by a fire or the like, the face materials 31 and 41 can be more reliably prevented from falling off.

In addition, in the fitting 1 according to the first embodiment, the first projecting portion 376 has a function of engaging with the resin frame 38 (first engaging portion 382) in addition to constituting the above-described fall-out preventing structure. .. Therefore, the structure of the metal frame 37 is simplified as compared with the configuration in which the metal frame 37 is provided with an engaging portion that engages with the resin frame 38, separately from the first projecting portion 376. be able to.

In addition, in the fitting 1 according to the first embodiment, the first projecting portion 376 is located below the glass material 313 arranged closest to the plate body 381. Therefore, even when the glass material 313 is thermally expanded due to being heated by a fire or the like, the above-described fall of the reinforcing material 6 can be effectively prevented by the first protruding portion 376.

In addition, in the fitting 1 according to the first embodiment, the reinforcing member 6 is supported by the screw holes 374 in addition to the first protrusion 376. Therefore, the reinforcing member 6 can be stably supported by the first projecting portion 376 and the screw hole 374, and the face materials 31 and 41 can be effectively prevented from falling off.
In particular, the second protrusion according to the present invention is constituted by the screw hole 374. Therefore, in addition to the screw hole 374, the structure of the metal frame member 37 can be simplified as compared with the configuration in which the second projecting portion according to the present invention is formed on the metal frame member 37.

In addition, in the fitting 1 according to the first embodiment, the frame according to the present invention includes the lower frames 34 and 44. That is, by forming the above-described first protrusion 376 and the like on the lower frames 34 and 44, it is possible to most effectively prevent the face materials 31 and 41 from falling off.
In addition, the above-mentioned fall prevention structure is not limited to the lower frames 34 and 44, and may be provided on the upper frames 33 and 43, the doorframes 35 and 45, the summing frame 46, and the like. That is, the frame according to the present invention is not limited to the lower frames 34 and 44, but may be the upper frames 33 and 43, the doorframes 35 and 45, and the summing frame 46.

(Embodiment 2)
Next, a second embodiment of the present invention will be described.
In the following description, the same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted or simplified.
FIG. 5 is a view corresponding to FIG. 3, and is an enlarged view of the lower portion of the external shoji 3A that constitutes the fitting 1A according to Embodiment 2 of the present invention. FIG. 6 is a view showing a state where the resin frame member 38 is removed from the lower frame 34A shown in FIG.
In the fitting 1A (exterior shoji 3A) according to the second embodiment, the metal frame which is thinner than the metal frame 37 in the fitting 1 (exterior shoji 3) described in the first embodiment. The lower frame 34A having the member 37A is adopted, and the reinforcing member 6A having a different shape from the reinforcing member 6 is adopted. Although not shown in the drawings, the inner shoji screen that constitutes the fitting 1A has the same structure as the lower frame 34A and the reinforcing member 6A in the external shoji screen 3A.

The reinforcement member 6A is different from the reinforcement member 6 described in the above-described first embodiment in that the second extension portion 62 and the first extension portion 61A are smaller in dimension in the prospective direction than the first extension portion 61. And a third extending portion 63, and has a substantially U-shaped cross-section.
The third extending portion 63 is configured by a plate body that is bent and extends upward from an outdoor end of the first extending portion 61A. The third extending portion 63 is located between the face material 31 and the inner circumference side fin portion 372.
The positional relationship between the first protrusion 376, the screw hole 374, and the reinforcing material 6A is similar to the positional relationship between the first protrusion 376, the screw hole 374, and the reinforcing material 6 described in the first embodiment.
Even when the reinforcing member 6A is formed in a substantially U shape in cross section as in the fitting 1A according to the second embodiment described above, the resin frame member 38 is burned down by being heated by a fire or the like. At this time (FIG. 6), the metal frame 37A (the inner circumference fin 372 and the base 371 (including the first protrusion 376)) and the reinforcement 6A are used to remove the face materials 31, 41 and the above-mentioned reinforcement. It is possible to prevent the material 6A from falling. That is, the same effect as that of the first embodiment described above is obtained.

(Other embodiments)
So far, the embodiments for carrying out the present invention have been described, but the present invention should not be limited only by the above-described first and second embodiments.
In the above-described first and second embodiments, the fitting according to the present invention is used for the sliding window, but the invention is not limited to this. For example, a sliding window with three or more shoji slides in the left-right direction, both-sleeve sliding windows and drawing windows, and an area inside the frame is divided by vertical bones, and one of the divided areas is a FIX window or wall. One-sided sliding window, a sliding window where the shoji slides up and down, a sliding window where the shoji opens and closes in the prospective direction, a murder window where one shoji has been killed, a door, a front door, or a curtain fall The present invention may be applied to various fittings.

In the above-described first and second embodiments, the first projecting portion 376 is in contact with the first extending portions 61 and 61A, but the present invention is not limited to this, as long as it projects upward from the upper surface of the upper wall portion 37a. A gap may be left between the tip and the first extending portions 61, 61A.

In the first and second embodiments described above, the double-layer glass including the two glass materials 312 and 313 (412, 413) is adopted as the face material 31 (41), but the invention is not limited to this, and, for example, You may employ|adopt the multilayer glass which consists of three or more sheets of glass. The multi-layer glass is not limited to the combination of the reticulated glass and the low-emission glass, but may be another combination of the reticulated glass and the float glass, the heat-resistant glass and the low-emission glass, and the like. Further, in Embodiments 1 and 2 described above, the wire-cored glass having high fire resistance is arranged on the outdoor side, but the glass having high fire resistance may be arranged on the indoor side.

In Embodiments 1 and 2 described above, the screw hole 374 is used as the second protrusion according to the present invention, but the present invention is not limited to this. For example, a configuration may be adopted in which the screw hole 374 is formed on the lower surface of the upper wall portion 37a and the second protrusion different from the screw hole 374 is provided on the upper surface of the upper wall portion 37a.

1,1A Joinery, 6,6A Reinforcement material, 31,41 Face material, 34,34A,44 Lower frame, 37,37A Metal frame material, 38 Resin frame material, 61,61A 1st extension part, 62th 2 extension part, 371 base part, 372 inner circumference side fin part (first fin part), 374 screw hole (second protruding part), 376 first protruding part, 384 upper end side part (second fin part), CP1 center position

Claims (5)

A fitting in which the end of the face material is held by a frame, and a reinforcing material is provided between the frame and the end of the face material,
The frame is
Composed of metal frame and resin frame,
The metal frame is
The base,
A first fin portion protruding from the base portion and facing the face material in the prospective direction,
The resin frame is
A second fin portion that faces the first fin portion in the prospective direction with the face material interposed therebetween;
The reinforcing material is
A first extending portion that extends along the prospective direction and is located between the face material and the base portion;
A second extending portion that is bent and extends from an end portion of the first extending portion on the second fin portion side, and that is located between the face material and the second fin portion;
In the base,
Wherein the center position of the estimated direction of the reinforcing member protrudes on the end side of the surface material from a position of the second fin portion, the first extending at the location of the second fin portion side of the center position a first protrusion which abuts against the part,
A second protrusion that protrudes from a position closer to the first fin portion than the central position toward the end of the face material and abuts the first extension portion at a position closer to the first fin portion than the central position. Joinery characterized by being formed with a part . The metal frame and the resin frame are
It has a structure that engages with each other and faces each other in the prospective direction
The first protrusion is
The fitting according to claim 1, which constitutes a part of an engaging structure between the metal frame member and the resin frame member. The face material is
Comprised of double glazing having a plurality of glass materials arranged facing each other in the prospective direction,
The first protrusion is
The fitting according to claim 1 or 2 , wherein the fitting is formed at a position facing an end portion of the glass material arranged closest to the second fin portion among the plurality of glass materials. The second protrusion is
The fitting according to any one of claims 1 to 3, which is a screw hole for connecting the frame to another frame. The frame is
It is a lower frame. The fitting according to any one of claims 1 to 5 , which is a lower frame.

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