Fixing structure for building frame materials

Abstract

To provide a fixing structure of a frame material for fittings capable of reducing damage to support members due to fire.SOLUTION: A fixing structure of a frame material for fittings includes: a support side combustion suppressing coating material 40 that is provided to cover at least part of the outer surface of the wooden support member 3; a connection part 70 for connecting the upper horizontal frame member 13 and the wooden support member 3, which is provided between the upper horizontal frame member 13 and the support side combustion suppressing coating material 40; and a suppressing part 80 for suppressing the heat of the fire from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection part 70 when a fire breaks out around fitting 1.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a fixing structure for a frame material for fittings. [Background technology]

[0002] As one of the techniques for suppressing the combustion of wooden components (e.g., wooden pillars and wall materials) that make up the framework of a building, wooden structural materials comprising a single wooden material and a covering material (e.g., a covering material consisting of a fire-retardant layer and a burning margin layer) that is placed on the outside of the single wooden material have been disclosed (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2008-2189 Summary of the Invention [Problem to be solved by the invention]

[0004] When attaching a frame member that constitutes the framework of a building fixture to the wooden structural member, for example, if the wooden structural member is fixed to the frame member via metal fittings, heat from a fire that breaks out around the building fixture can be transferred from the frame member to the wooden structural member via the metal fittings, reducing the strength of the wooden structural member and potentially causing the wooden structural member to collapse. Therefore, there is room for improvement in terms of reducing damage to wooden supporting members such as the wooden structural member caused by fire.

[0005] The present invention is intended to solve the problems in the above-mentioned conventional technology, and aims to provide a fixing structure for frame materials for building fixtures that can reduce damage to wooden support members caused by fire. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, the fixing structure for a frame material for a fixture as described in claim 1 is a fixing structure for fixing a frame material that constitutes the frame of a fixture to be installed in the skeleton of a building to a wooden support member that is one of the members that constitutes the skeleton, and comprises: a support-side fire-retardant covering material that is a fire-retardant covering material that is installed so as to cover at least a portion of the outer surface of the support member and that is a fire-retardant covering material that is a fire-retardant covering material that inhibits combustion of the support member; connection means that is installed between the frame material and the support-side fire-retardant covering material and that connects the frame material to the support member; and suppression means that, when a fire occurs around the fixture, suppresses the heat of the fire from being transmitted from the frame material to the support member via the connection means. The support-side combustion suppression covering material comprises a first support-side combustion suppression covering material located on the connection means side, and is configured so that the entire outer surface of the outer surface of the support member on the connection means side is covered by the first support-side combustion suppression covering material, and is a combustion suppression covering material arranged so that the connection means and the suppression means are not exposed to the outside, and further comprises a connection-side combustion suppression covering material that is a combustion suppression covering material for suppressing combustion of the connection means and / or the suppression means.

[0007] The fixing structure for a frame material for fittings according to claim 2 is the fixing structure for a frame material for fittings according to claim 1, The support-side combustion-suppressing coating material includes two combustion-suppressing coating materials arranged in a stacked manner.

[0008] The fixing structure for a frame material for fittings according to claim 3 is the fixing structure for a frame material for fittings according to claim 1 or 2, The frame material comprises a frame material main body which is a hollow body formed so that its cross-sectional shape is open toward the support member side, and a plurality of fixing members arranged in parallel along the length of the frame material at a predetermined interval on the open end side of the frame material main body, and the connection means is fixed to the fixing members.

[0009] The fixing structure for a building frame material according to claim 4 is the fixing structure for a building frame material according to any one of claims 1 to 3, The connection means is provided so as to be positioned within a space surrounded only by the combustion suppression covering material, including at least the support side combustion suppression covering material and the connection side combustion suppression covering material, and the steel frame material.

[0010] The fixing structure for a building frame material according to claim 5 is the fixing structure for a building frame material according to any one of claims 1 to 4, The suppression means is formed of a heat absorbing material and / or a heat insulating material. The fixing structure for a frame material for fittings according to claim 6 is the fixing structure for a frame material for fittings according to claim 5, The heat absorbing material was provided inside the frame material. The fixing structure of the building frame material according to claim 7 is Claim 5 or 6 In the fixing structure of the building frame material described in The heat insulating material is provided between the frame material or the support-side combustion-suppressing covering material and the connection means, or / and between the frame material and the support-side combustion-suppressing covering material. The fixing structure of the building frame material according to claim 8 is A fixing structure for fixing a frame material constituting a frame of a fixture to be installed in the skeleton of a building to a wooden support member among the members constituting the skeleton, the fixing structure comprising a fire-retardant covering material provided so as to cover at least a portion of the outer surface of the support member, the fire-retardant covering material being a support-side fire-retardant covering material for restraining combustion of the support member, and a connecting means provided between the frame material and the support-side fire-retardant covering material, the connecting means being for connecting the frame material and the support member, and a connecting means for connecting the frame material and the support member when a fire breaks out around the fixture, the heat of the fire being transmitted through the connecting means to the support member. and a suppression means for suppressing transmission of heat from the frame material to the support member, wherein the support side combustion suppression covering material comprises a first support side combustion suppression covering material located on the connection means side, and the first support side combustion suppression covering material is configured so that the entire outer surface of the support member on the connection means side is covered by the first support side combustion suppression covering material, and the suppression means is formed from a heat absorbing material and / or a heat insulating material, and the heat insulating material is provided between the frame material or the support side combustion suppression covering material and the connection means, or / and between the frame material and the support side combustion suppression covering material. [Effects of the Invention]

[0011] According to the fixing structure of the frame material for building fixtures described in claim 1, a connection means is provided between the frame material and the support side fire retardant covering material, and the connection means is for connecting the frame material to the wooden support member, and a suppression means is provided for suppressing the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means.Therefore, it is possible to suppress the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means, and it is possible to reduce damage to the wooden support member caused by the fire. In addition, the connection-side fire-suppressing covering material is provided to prevent the connection means and the suppression means from being exposed to the outside, which prevents the connection means and the suppression means from being exposed to the outside and maintains the design of the fixture and its surroundings.Furthermore, the connection means and the suppression means are prevented from being directly exposed to the flames of the fire, which prevents the heat of the fire from being conducted to the wooden support member via the connection means, and prevents the suppression means from burning.

[0012] According to the fixing structure of the fitting frame material described in claim 5, Since the suppression means is formed from a heat absorbing material and / or a heat insulating material, the suppression means can be easily constructed, and the productivity of the suppression means can be improved.

[0013] Claim 6 According to the fixing structure of the building frame material described in Since the heat-absorbing material is provided inside the frame, it can effectively absorb heat from the frame in the event of a fire, and can further prevent the heat from the fire from being transmitted from the frame to the wooden support member via the connecting means. Furthermore, since the heat-absorbing material is easier to install than when it is provided in a position other than inside the frame, the installability of the heat-absorbing material can be improved.

[0014] Claim 7 According to the fixing structure of the building frame material described in By providing insulation between the frame material or the support side combustion suppression covering material and the connecting means, or / and between the frame material and the support side combustion suppression covering material, it is possible to reduce the transmission of heat from the fire from the frame material or the support side combustion suppression covering material to the connecting means, and / or from the frame material to the support side combustion suppression covering material, thereby further suppressing the transmission of heat from the fire from the frame material to the wooden support member via the connecting means.

[0015] Claim 8 According to the fixing structure of the building frame material described in The connection means is provided between the frame material and the support side combustion suppression covering material, and includes a connection means for connecting the frame material to the wooden support member, and a suppression means for suppressing the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means, thereby making it possible to suppress the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means, and reducing damage to the wooden support member caused by the fire. Furthermore, since the suppression means is formed from a heat absorbing material and / or a heat insulating material, the suppression means can be easily constructed, and the productivity of the suppression means can be improved. Also, By providing insulation between the frame material or the support side combustion suppression covering material and the connecting means, or / and between the frame material and the support side combustion suppression covering material, it is possible to reduce the transmission of heat from the fire from the frame material or the support side combustion suppression covering material to the connecting means, and / or from the frame material to the support side combustion suppression covering material, thereby further suppressing the transmission of heat from the fire from the frame material to the wooden support member via the connecting means. [Brief explanation of the drawings]

[0016] [Figure 1] 1 is a front view of a fitting according to a first embodiment of the present invention. [Figure 2] FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 (partially omitted). [Figure 3]FIG. 10 is a diagram showing a fitting according to a second embodiment, showing an area corresponding to FIG. [Figure 4] 10 is a diagram showing a modified example of the fixing structure of the frame material according to the second embodiment, showing a region corresponding to FIG. 2. FIG. [Figure 5] FIG. 10 is a diagram showing a fitting according to a third embodiment, showing an area corresponding to FIG. [Figure 6] 10 is a diagram showing a modified example of the fixing structure of the frame material according to the third embodiment, showing a region corresponding to FIG. 2. FIG. [Figure 7] 10 is a diagram showing a modified example of the fixing structure of the frame material according to the third embodiment, showing a region corresponding to FIG. 2. FIG. [Figure 8] FIG. 10 is a diagram showing a fitting according to a fourth embodiment, showing an area corresponding to FIG. [Figure 9] 10 is a diagram showing a modified example of the fixing structure of the frame material according to the third embodiment, showing a region corresponding to FIG. 2. FIG. [Figure 10] 3 is a diagram showing a modified example of the fixing structure of the frame material according to the first embodiment, showing a region corresponding to FIG. 2. FIG. [Figure 11] 10 is a diagram showing a modified example of the fixing structure of the frame material according to the fourth embodiment, showing a region corresponding to FIG. 2. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0017] The following describes in detail an embodiment of the fixing structure for a door and window frame material according to the present invention with reference to the accompanying drawings. First, [I] the basic concept of the embodiment will be explained, then [II] specific details of the embodiment will be explained, and finally, [III] modifications to the embodiment will be explained. However, the present invention is not limited to the embodiment.

[0018] [I] Basic Concept of the Embodiment First, the basic concept of the embodiment will be explained. The embodiment generally relates to a fixing structure for fixing a frame member constituting a frame of a fixture to a wooden support member among the members constituting the skeleton of a building.

[0019] Here, the specific structure and type of "building" are arbitrary, but the concept includes, for example, public facilities, commercial facilities, detached houses, and collective housing such as apartments and condominiums.

[0020] Furthermore, "fittings" refers to structures installed in openings in a building to restrict or limit access through the opening, and is a concept that includes, for example, door devices (such as swing doors, sliding doors, and folding doors), window devices that can be opened and closed, and window devices that cannot be opened and closed (so-called fixed windows). Note that an "opening in a building" is an opening formed in a part of the building's framework (such as a wall, floor, or ceiling) to install an entrance or window.

[0021] Furthermore, the specific structure and type of the "members constituting the framework" are arbitrary, but the concept includes, for example, wall materials, pillar materials, beam materials, floor materials, ceiling materials, etc. Furthermore, the specific structure and type of the "wooden support member" are arbitrary, but the concept includes, for example, wooden wall materials, wooden pillar materials, wooden beam materials, wooden floor materials, wooden ceiling materials, etc.

[0022] In the following embodiment, we will explain the case where the fixture is a single-wing hinged door installed in an opening in an interior wall material (wooden support member) that divides rooms inside a building such as a public facility (e.g., city hall).

[0023] [II] Specific details of the embodiment Next, specific details of the embodiment will be described.

[0024] First Embodiment First, there will be described a fixing structure of a frame material for fittings according to embodiment 1. In this embodiment 1, a suppressing portion, which will be described later, is formed from a heat absorbing material.

[0025] (composition) First, the configuration of a fixture to which the fixing structure of the fixture frame material according to the first embodiment is applied will be described.

[0026] In the following explanation, the X direction in Figure 1 will be referred to as the left-right direction of the fixture (the -X direction will be the left direction of the fixture, and the +X direction will be the right direction of the fixture), the Y direction in Figure 2 will be referred to as the front-to-back direction of the fixture (the +Y direction will be the front direction of the fixture (towards the outside of the room) and the -Y direction will be the rear direction of the fixture (towards the inside of the room)), and the Z direction in Figure 1 will be referred to as the up-down direction of the fixture (the +Z direction will be the top direction of the fixture, and the -Z direction will be the bottom direction of the fixture).

[0027] The fitting 1 is configured using, for example, a known single-wing hinged door, and as shown in Figure 1, it generally comprises a frame body 10, an opening / closing body 20, and a hinge part 30. However, unless otherwise specified, the configuration of the fitting 1 is the same as that of the conventional fitting, and therefore the explanation will be omitted.

[0028] The method of attaching (or connecting) the various components that make up the building fixture 1 to each other is arbitrary, but for example, a method is used in which the component on the attachment side is attached (or connected) to the component on the other side via a fastener (e.g., rivet, mounting screw, screw, etc.), welding, adhesive, double-sided tape, etc., through a mounting hole (e.g., rivet hole, screw hole, screw hole, etc.) formed in the component on the attachment side or the component on the other side.

[0029] (Structure - Frame) The frame 10 is installed around the periphery of an opening 4 formed in a wooden support member 3 that constitutes the building's main body 2 (specifically, a wooden interior wall material whose length in the front-to-back direction is shorter than that of the frame 10, as shown in Figure 2), and as shown in Figure 1, it comprises a pair of vertical frame members 11, 12 on the left and right and a pair of horizontal frame members 13, 14 on the top and bottom, all made of steel (for example, steel, stainless steel, etc.).

[0030] These vertical frame members 11, 12 and horizontal frame members 13, 14 (except for the horizontal frame member 14 described later) are each fixed to the wooden support member 3 by a fixing structure described later, and when combined with each other, they are formed so that the front shape is approximately rectangular and ring-shaped.

[0031] In the following, as necessary, of the pair of left and right vertical frame members 11, 12, the vertical frame member 11 located on the trailing edge of the opening 4 will be referred to as the "trailing edge vertical frame member 11," and the vertical frame member 12 located on the leading edge of the opening 4 will be referred to as the "leading edge vertical frame member 12." Furthermore, of the pair of upper and lower horizontal frame members 13, 14, the horizontal frame member 13 located on the upper side of the opening 4 will be referred to as the "upper horizontal frame member 13," and the horizontal frame member 14 located on the lower side of the opening 4 will be referred to as the "sliding horizontal frame member 14." When there is no need to particularly distinguish between the trailing edge vertical frame member 11, leading edge vertical frame member 12, upper horizontal frame member 13, and leading edge horizontal frame member 14, they will be collectively referred to simply as "frame members 15."

[0032] In addition, this door-end vertical frame member 12 is provided with a deadbolt receiver and a latch receiver (both not shown).

[0033] Of these, the deadbolt receiver is deadbolt receiving means provided on the opening / closing body 20 for receiving a deadbolt, described below, when the opening 4 is closed by the opening / closing body 20 (hereinafter referred to as the "fully closed state"), and is arranged in a position corresponding to the deadbolt, described below. The latch receiver is latch receiving means provided on the opening / closing body 20 for receiving a latch, described below, and is arranged in a position corresponding to the latch, described below. The configuration of the frame body 10 will be described in detail later.

[0034] (Configuration - Opening and closing body) The opening / closing body 20 is a roughly plate-shaped body for opening and closing the opening 4, and as shown in Figure 1, it comprises an opening / closing body frame (not shown), an outdoor surface material 21, an indoor surface material (not shown), and a core material (not shown).

[0035] (Configuration - Opening and closing body - Opening and closing body frame) The opening / closing body frame is primarily responsible for the rigidity of the opening / closing body 20. This opening / closing body frame is formed by combining multiple long steel reinforcement bones so that its front shape is a substantially rectangular ring, and specifically, it is configured with a pair of left and right vertical reinforcement bones and a pair of upper and lower lateral reinforcement bones. In addition, a plurality of intermediate vertical reinforcement bones are arranged side by side at intervals between the pair of left and right vertical reinforcement bones.

[0036] (Composition - Opening / closing body - Outdoor surface material, indoor surface material) The outdoor surface material 21 is a surface material that covers either one of the two visible surfaces or at least one or more visible surfaces of the surfaces of the opening / closing body 20. The indoor surface material is a surface material that covers the other of the two visible surfaces or at least one or more visible surfaces of the surfaces of the opening / closing body 20. The outdoor surface material 21 and the indoor surface material are formed, for example, from thin plate-shaped steel material (specifically, steel material or stainless steel material), and are provided so as to cover the opening / closing body frame from both the outdoor and indoor sides of the room, and are fixed to the opening / closing body frame.

[0037] (Configuration - Opening and closing body - Core material) The core material is filled inside the opening / closing body 20. This core material is made of, for example, a known core material, and is filled in the space surrounded by the opening / closing body frame, the outdoor surface material 21, and the indoor surface material.

[0038] (Configuration - Opening and closing body - Other configurations) As shown in FIG. 1, the door end of the opening / closing body 20 is provided with a handle 22 for the user to operate the opening / closing body 20 to open and close, a locking device 23 for locking the opening / closing body 20, which is equipped with a deadbolt (not shown), and a latch (not shown) for maintaining the opening / closing body 20 in a fully closed position regardless of whether the opening / closing body 20 is locked by the locking device 23.

[0039] (Configuration - Hinge section) The hinge section 30 is for pivotally supporting the opening / closing body 20 so that it can rotate freely relative to the trailing edge vertical frame member 11. This hinge section 30 is configured using a known flag hinge or the like, and as shown in Fig. 1, a plurality of hinge sections 30 are arranged side by side at intervals along the vertical direction at the trailing edge end (the right edge in Fig. 1) of the opening / closing body 20, and are attached to the opening / closing body 20 and the trailing edge vertical frame member 11 by fasteners or the like.

[0040] (Configuration - Details of the configuration of the vertical frame material on the door end side and the vertical frame material on the door front side) Next, we will explain the details of the configuration of the trailing edge vertical frame member 11 and leading edge vertical frame member 12 of the frame body 10. However, unless otherwise specified, the trailing edge vertical frame member 11 and leading edge vertical frame member 12 can be manufactured in any shape, by any method, and with any material.

[0041] In the first embodiment, as shown in Figs. 1 and 2, each of the trailing edge vertical frame member 11 and the leading edge vertical frame member 12 includes a vertical frame member main body 11a and a vertical fixing member (not shown).

[0042] (Configuration - Details of the configuration of the vertical frame material on the end of the door and the vertical frame material on the front side - Vertical frame material body) The vertical frame body 11a is the basic structure of the trailing-end vertical frame member 11 (or leading-end vertical frame member 12). This vertical frame body 11a is a hollow body formed so that its cross section along the XY plane is roughly U-shaped and open outward in the left-right direction, and is formed over almost the entire length of the opening 4 in the up-down direction.

[0043] 2, the vertical frame material main body 11a is provided with a vertical side recess 11b. The vertical side recess 11b is for preventing interference between the vertical frame material main body 11a and the opening / closing body 20 while accommodating the opening / closing body 20 (a recess having a so-called interlocking structure), and is formed by recessing the portion of the vertical frame material main body 11a corresponding to the opening / closing body 20 outward in the left-right direction.

[0044] (Configuration - Details of the configuration of the vertical frame material on the end of the door and the vertical frame material on the front side - Vertical fixing material) The vertical fixing members are used to fix the vertical frame material main body 11a to the wooden support member 3 and to reinforce the vertical frame material main body 11a. These vertical fixing members are formed of plate-like bodies, and specifically, the length of the vertical fixing members in the front-to-rear direction is approximately the same as (or longer than) the length of the open end of the U-shaped vertical frame material main body 11a in the front-to-rear direction, and the length of the vertical fixing members in the up-to-down direction is shorter than the length of the vertical frame material main body 11a in the up-to-down direction. Furthermore, a plurality of these vertical fixing members are arranged in parallel in the up-to-down direction at a predetermined interval on the open end side of the U-shaped vertical frame material main body 11a (specifically, on the outer end side in the left-to-right direction of the vertical frame material main body 11a), and are fixed to the vertical frame material main body 11a by welding or the like.

[0045] (Configuration - Details of the upper horizontal frame configuration) Next, we will explain the details of the configuration of the upper horizontal frame member 13 of the frame body 10. However, unless otherwise specified, the upper horizontal frame member 13 can be manufactured in any shape, by any method, and with any material.

[0046] In the first embodiment, as shown in FIG. 2, the upper horizontal frame member 13 includes an upper horizontal frame member main body 13a and an upper fixing member 13b.

[0047] (Configuration - Details of the upper horizontal frame material - Upper horizontal frame material body) The upper horizontal frame member main body 13a is the basic structure of the upper horizontal frame member 13. This upper horizontal frame member main body 13a is a hollow body formed so that its cross section along the YZ plane is roughly U-shaped and open toward the outside in the vertical direction (upward in FIG. 2), and is formed over roughly the entire length of the opening 4 in the left-right direction.

[0048] 2, the upper horizontal frame member main body 13a is provided with an upper recess 13c. The upper recess 13c is intended to prevent interference between the upper horizontal frame member 13 and the opening / closing body 20 while accommodating the opening / closing body 20 (a recess having a so-called interlocking structure), and is formed by recessing the portion of the upper horizontal frame member main body 13a corresponding to the opening / closing body 20 outward in the vertical direction (upward in FIG. 2).

[0049] (Configuration - Details of the upper horizontal frame configuration - Upper fixing member) The upper fixing members 13b are used to secure the upper horizontal frame member main body 13a to the wooden support member 3 and to reinforce the upper horizontal frame member main body 13a. The upper fixing members 13b are formed as plates. Specifically, as shown in Fig. 2, the front-to-rear length of the upper fixing members 13b is approximately the same as (or longer than) the front-to-rear length of the open end of the U-shaped upper horizontal frame member main body 13a, and the left-to-right length of the upper fixing members 13b is shorter than the left-to-right length of the upper horizontal frame member main body 13a. The upper fixing members 13b are arranged side by side at a predetermined interval along the left-to-right direction on the open end side of the U-shaped upper horizontal frame member main body 13a (on the outer end side of the upper horizontal frame member main body 13a in the vertical direction in Fig. 2), and are fixed to the upper horizontal frame member main body 13a by welding or the like.

[0050] (Details of the structure of the cross frame material) Returning to Figure 1, we will now explain the details of the configuration of the sliding cross frame member 14 of the frame body 10. However, unless otherwise specified, the sliding cross frame member 14 can be manufactured in any shape, by any method, and with any material.

[0051] In the first embodiment, as shown in FIG. 1, the horizontal shoe frame member 14 includes a horizontal shoe frame member main body 14a and a shoe fixing member (not shown).

[0052] (Configuration - Details of the configuration of the Kutsuzuri horizontal frame material - Kutsuzuri horizontal frame material body) The sliding horizontal frame member main body 14a is the basic structure of the sliding horizontal frame member 14. This sliding horizontal frame member main body 14a is a hollow body formed so that its cross section along the YZ plane is roughly U-shaped and open toward the outside in the vertical direction (specifically, downward), and is formed over roughly the entire length of the opening 4 in the left-right direction.

[0053] (Configuration - Details of the configuration of the cross frame material - Kutsuzuri fixing material) The sliding fixing member is used to fix the sliding horizontal frame main body 14a to the floor material 16 and to reinforce the sliding horizontal frame main body 14a, and is constructed substantially the same as the upper fixing member 13b.

[0054] (Configuration - fixed structure) Next, the fixing structure of the frame members 15 (specifically, the trailing edge vertical frame member 11, the leading edge vertical frame member 12, and the upper horizontal frame member 13) will be described.

[0055] This fitting 1 has a fixing structure for fixing the frame material 15 to a wooden support member 3 (specifically, a wooden interior wall material), and this fixing structure includes a fixing structure for the rear-end vertical frame material 11, a fixing structure for the front-end vertical frame material 12, and a fixing structure for the upper horizontal frame material 13.

[0056] Since the fixing structures of the trailing edge vertical frame member 11, the leading edge vertical frame member 12, and the upper horizontal frame member 13 are all substantially identical in configuration, only the configuration of the fixing structure of the upper horizontal frame member 13 will be described below (the same applies to the fixing structures of the trailing edge vertical frame member 11, the leading edge vertical frame member 12, and the upper horizontal frame member 13 in other embodiments).

[0057] (Configuration - Fixed structure - Fixed structure of upper horizontal frame material) Next, the fixing structure of the upper horizontal frame member 13 will be described.

[0058] The fixing structure of the upper horizontal frame member 13 is a fixing structure for fixing the upper horizontal frame member 13 to the wooden support member 3, and the characteristics of this fixing structure in embodiment 1 are as follows.

[0059] (Configuration - Fixed structure - Fixed structure of upper horizontal frame - First feature) First, as a first feature of the fixing structure of the upper horizontal frame member 13, as shown in FIG. 2, the fixing structure includes a support-side combustion-suppressing covering material 40, a connecting portion 70, and a suppression portion 80.

[0060] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material) The support-side combustion-suppressing covering material 40 is a combustion-suppressing covering material for suppressing combustion of the wooden support member 3. This support-side combustion-suppressing covering material 40 is configured to function as a fire-resistant covering material, a fire-prevention covering material, or a non-combustible material, and as shown in Fig. 2, is provided so as to cover at least a portion of the outer surface of the wooden support member 3, and includes a first support-side combustion-suppressing covering material 50 and a second support-side combustion-suppressing covering material 60.

[0061] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - First support side fire retardant covering material) The first support-side combustion-suppressing covering material 50 is part of the basic structure of the support-side combustion-suppressing covering material 40. As shown in FIG. 2 , the first support-side combustion-suppressing covering material 50 is provided so as to be positioned on the connection portion 70 side, and includes a first inner combustion-suppressing covering material 51 and a first outer combustion-suppressing covering material 52.

[0062] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - First support side fire retardant covering material - First inner fire retardant covering material) The first inner combustion-suppressing covering material 51 is part of the basic structure of the first support-side combustion-suppressing covering material 50. This first inner combustion-suppressing covering material 51 is formed in a substantially plate-like shape, and as shown in Fig. 2, it covers substantially the entire visible surface of the outer surface of the wooden supporting member 3 on the connection portion 70 side, and is arranged to abut against the wooden supporting member 3, and is fixed to the wooden supporting member 3 with fasteners and / or adhesives, etc.

[0063] Furthermore, the material of the first inner combustion suppression covering material 51 is arbitrary, but in embodiment 1 it is made of a material that corresponds to the fire resistance performance of the wooden support member 3, and specifically it is made of reinforced gypsum board, which is a material that corresponds to the performance of the fire-resistant structure (the performance necessary to prevent the collapse and spread of the wooden support member 3 due to the fire until the fire is extinguished) (the same applies to the materials of the other inner combustion suppression covering materials described below).

[0064] However, the present invention is not limited to this, and may be made of a material other than reinforced gypsum board that meets the performance requirements of a fire-resistant structure, or may be made of a material that meets the performance requirements of a quasi-fire-resistant structure (performance required to suppress the spread of fire). For example, the material may be gypsum board, gypsum plaster, calcium silicate board, glass wool, urethane, rock wool, or other fire-resistant materials (for example, non-combustible materials, semi-non-combustible materials, and flame-retardant materials), or a fire-resistant material, or a combination of these.

[0065] Furthermore, the thickness of the first inner combustion-suppressing covering material 51 is arbitrary, but in the first embodiment, it is set to a thickness that corresponds to the fire resistance of the wooden support member 3, specifically, to the performance of the fire-resistant structure (note that the same applies to the thickness of the other inner combustion-suppressing covering materials described below). However, without being limited to this, it may also be set to a thickness that corresponds to the performance of the quasi-fire-resistant structure, for example. Alternatively, it may be set to a thickness that is thicker than the thickness that corresponds to the performance of the fire-resistant structure or the performance of the quasi-fire-resistant structure.

[0066] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - First support side fire retardant covering material - First outer fire retardant covering material) The first outer combustion-suppressing covering material 52 is another part of the basic structure of the first support-side combustion-suppressing covering material 50. This first outer combustion-suppressing covering material 52 is formed in a substantially plate-like shape and is provided outside the first inner combustion-suppressing covering material 51. Specifically, as shown in Fig. 2, it covers the entire outer surface of the first inner combustion-suppressing covering material 51 and is positioned so as to abut against the first inner combustion-suppressing covering material 51, and is fixed to the wooden support member 3 or the first inner combustion-suppressing covering material 51 with fasteners and / or adhesives, etc.

[0067] Furthermore, the material of the first outer combustion-suppressing covering material 52 is arbitrary, but in embodiment 1, it is made of a material that corresponds to the fire resistance performance of the wooden support member 3, and specifically, it is made of reinforced gypsum board, which is a material that corresponds to the performance of the fire-resistant structure and is the same material as the first inner combustion-suppressing covering material 51 (the same applies to the materials of the other outer combustion-suppressing covering materials described below).

[0068] However, the present invention is not limited to this, and the material may be made of a material other than the reinforced gypsum board described above that meets the performance requirements of a fire-resistant structure, or may be made of a material that meets the performance requirements of a quasi-fire-resistant structure (performance required to suppress the spread of fire). For example, the material may be made of gypsum board, gypsum plaster, calcium silicate board, glass wool, urethane, rock wool, other fire-resistant or fire-resistant materials, or a combination of these.

[0069] Furthermore, the thickness of the first outer combustion-suppressing covering material 52 is arbitrary, but in the first embodiment, it is set to a thickness that corresponds to the fire resistance of the wooden support member 3, specifically, to the performance of the fire-resistant structure (note that the same applies to the thicknesses of the other outer combustion-suppressing covering materials described below). However, without being limited to this, it may also be set to a thickness that corresponds to the performance of the quasi-fire-resistant structure, for example. Alternatively, it may be set to a thickness that is thicker than the thickness that corresponds to the performance of the fire-resistant structure or the performance of the quasi-fire-resistant structure.

[0070] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - Second support side fire retardant covering material) The second support-side combustion-suppressing covering material 60 is another part of the basic structure of the support-side combustion-suppressing covering material 40. This second support-side combustion-suppressing covering material 60 is formed separately from the first support-side combustion-suppressing covering material 50 and is provided so as to be located on the visible surface side of the wooden support member 3. Specifically, as shown in FIG. 2, it is provided on the outdoor side and indoor side of the room relative to the wooden support member 3.

[0071] In the following, where necessary, the second support side combustion suppression covering material 60a located on the outdoor side of the room will be referred to as the "outdoor second support side combustion suppression covering material 60a," and the second support side combustion suppression covering material 60b located on the indoor side of the room will be referred to as the "indoor second support side combustion suppression covering material 60b."

[0072] As shown in FIG. 2, each of the outdoor second support side combustion suppression covering material 60a and the indoor second support side combustion suppression covering material 60b includes a second inner combustion suppression covering material 61 and a second outer combustion suppression covering material 62.

[0073] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - Second support side fire retardant covering material - Second inner fire retardant covering material) The second inner combustion-suppressing covering material 61 is part of the basic structure of the second support-side combustion-suppressing covering material 60. This second inner combustion-suppressing covering material 61 is configured substantially identically to the first inner combustion-suppressing covering material 51, and as shown in Fig. 2, it covers substantially the entire visible surface of the wooden support member 3 among the outer surfaces of the wooden support member 3, is positioned so as to abut against the wooden support member 3, and is fixed to the wooden support member 3 with fasteners and / or adhesives, etc.

[0074] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Support side fire retardant covering material - Second support side fire retardant covering material - Second outer fire retardant covering material) The second outer combustion-suppressing covering material 62 is another part of the basic structure of the second support-side combustion-suppressing covering material 60. This second outer combustion-suppressing covering material 62 is configured substantially identically to the first outer combustion-suppressing covering material 52 and is provided outside the second inner combustion-suppressing covering material 61. Specifically, as shown in FIG. 2 , it covers the entire outer surface of the second inner combustion-suppressing covering material 61 and is positioned so as to abut against the second inner combustion-suppressing covering material 61, and is fixed to the wooden support member 3 or the second inner combustion-suppressing covering material 61 with fasteners and / or adhesives, etc.

[0075] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part) The connection part 70 is a connection means for connecting the frame member 15 (specifically, the upper horizontal frame member 13) and the wooden support member 3. As shown in FIG. 2, the connection part 70 is provided between the upper horizontal frame member 13 and the support-side combustion-suppressing covering material 40 (specifically, the first support-side combustion-suppressing covering material 50), and includes a connection means main body 71, a support-side fixing member 74, a frame-side fixing member 75, and a connection-side fixing member 76.

[0076] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part - Connection means main body) The connection means body 71 is the basic structure of the connection portion 70, and as shown in FIG. 2, includes a frame-side connection means body 72 and a support-side connection means body 73.

[0077] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part - Connection means main body - Frame side connection means main body) The frame-side connection means body 72 is part of the basic structure of the connection means body 71. This frame-side connection means body 72 is a steel plate-like body configured so that its cross section along the YZ plane is approximately U-shaped, and is formed over approximately the entire length of the opening 4 in the left-right direction.

[0078] Specifically, as shown in Figure 2, the frame side connection means main body 72 comprises a first frame side connection piece 72a arranged to abut against the upper horizontal frame member 13 (specifically, the upper fixing member 13b), a second frame side connection piece 72b connected to the outside-of-room end of the first frame side connection piece 72a, and a third frame side connection piece 72c connected to the inside-of-room end of the first frame side connection piece 72a.

[0079] Furthermore, the specific sizes of the first frame-side connecting piece 72a, the second frame-side connecting piece 72b, and the third frame-side connecting piece 72c are arbitrary, but in the first embodiment they are set as follows.

[0080] 2, the front-to-rear length of the first frame-side connection piece 72a is set shorter than the front-to-rear length of the upper fixing member 13b. The vertical length of the second frame-side connection piece 72b is set shorter than the vertical length between the upper horizontal frame member 13 and the first support-side combustion-suppressing covering material 50. The vertical length of the third frame-side connection piece 72c is set shorter than the vertical length of the second frame-side connection piece 72b.

[0081] In addition, the thicknesses of the first frame side connecting piece 72a, the second frame side connecting piece 72b, and the third frame side connecting piece 72c are calculated using known structural calculations, etc., and are set to a thickness that can support the upper horizontal frame material 13 (note that the thickness of each connecting piece of the support side connecting means main body 73 is approximately the same).

[0082] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part - Connection means main body - Support side connection means main body) The support-side connecting means body 73 is another part of the basic structure of the connecting means body 71. This support-side connecting means body 73 is a steel plate-like body configured so that its cross section along the YZ plane is approximately U-shaped, and is formed over approximately the entire length of the opening 4 in the left-right direction.

[0083] Specifically, as shown in Figure 2, the support side connection means main body 73 comprises a first support side connection piece 73a arranged to abut the first support side combustion suppression covering material 50 (specifically, the first outer combustion suppression covering material 52), a second support side connection piece 73b connected to the outside-of-room end of the first support side connection piece 73a, and a third support side connection piece 73c connected to the inside-room end of the first support side connection piece 73a.

[0084] Furthermore, the specific sizes of the first support side connecting piece 73a, the second support side connecting piece 73b, and the third support side connecting piece 73c are arbitrary, but in the first embodiment they are set as follows.

[0085] That is, as shown in FIG. 2, the length of the first support-side connecting piece 73a in the front-rear direction is set to be shorter than the length of the upper fixing member 13b in the front-rear direction.

[0086] In addition, the vertical length of the second support side connection piece 73b is set shorter than the vertical length of the second frame side connection piece 72b so that when connecting the frame side connection means main body 72 and the support side connection means main body 73 from the prospective direction (front-to-back direction in Figure 2), the second support side connection piece 73b and the third frame side connection piece 72c do not abut each other, and the second frame side connection piece 72b and the second support side connection piece 73b can abut each other.

[0087] In addition, the vertical length of the third support side connection piece 73c is set to be longer than the vertical length of the third frame side connection piece 72c so that the third frame side connection piece 72c and the third support side connection piece 73c can abut when connecting the frame side connection means main body 72 and the support side connection means main body 73 from the forward direction.

[0088] (Configuration - Fixing structure - Fixing structure of upper horizontal frame member - First feature - Connection part - Support side fixing member) The support-side fixing member 74 is a member for fixing the connection means main body 71 to the wooden support member 3. This support-side fixing member 74 is formed using, for example, a known fixing member (e.g., a steel screw, nail, or bolt), and is inserted into the wooden support member 3 so as to penetrate the connection means main body 71 and the support-side combustion-suppressing covering material 40.

[0089] 2, a plurality of support-side fixing members 74 are provided at intervals in the front-rear and left-right directions on the wooden support member 3. Each support-side fixing member 74 is inserted into the wooden support member 3 so as to penetrate the first support-side connecting piece 73a of the support-side connecting means main body 73, the first inner combustion-suppressing covering material 51, and the first outer combustion-suppressing covering material 52.

[0090] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part - Frame side fixing member) The frame side fixing member 75 is a member for fixing the frame side connection means main body 72 to the upper horizontal frame member 13. This frame side fixing member 75 is constructed using, for example, known fixing members (for example, steel screws, nails, bolts, etc.), and is fixed to the upper horizontal frame member 13 via the frame side connection means main body 72.

[0091] 2, a plurality of frame-side fixing members 75 are provided at intervals in the front-to-rear and left-to-right directions on the upper horizontal frame member 13. Each frame-side fixing member 75 is fixed to the upper fixing member 13b via the first frame-side connecting piece 72a of the frame-side connecting means main body 72.

[0092] (Configuration - Fixing structure - Fixing structure of upper horizontal frame material - First feature - Connection part - Connection side fixing member) The connection-side fixing member 76 is a member for fixing either the frame-side connecting means body 72 or the support-side connecting means body 73 to the other of the frame-side connecting means body 72 or the support-side connecting means body 73. This connection-side fixing member 76 is formed using, for example, a known fixing member (one example is a steel screw, nail, or bolt), and is fixed to the other of the frame-side connecting means body 72 or the support-side connecting means body 73 via either the frame-side connecting means body 72 or the support-side connecting means body 73.

[0093] 2, a plurality of connection-side fixing members 76 are provided at intervals in the left-right direction on each of the second support-side connecting piece 73b and the third frame-side connecting piece 72c. Some of the connection-side fixing members 76 are fixed to the second support-side connecting piece 73b via the second frame-side connecting piece 72b, and other connection-side fixing members 76 are fixed to the third frame-side connecting piece 72c via the third support-side connecting piece 73c.

[0094] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - First feature - Restraint section) The suppression section 80 is a suppression means for suppressing the heat of a fire from being transmitted from the upper horizontal frame member 13 to the wooden support member 3 via the connection section 70 when a fire breaks out around the fitting 1, and is provided inside the frame member 15 (specifically, the upper horizontal frame member 13) as shown in Fig. 2. However, without being limited to this, the suppression section 80 may be provided, for example, between the upper horizontal frame member 13 (or the support-side fire-suppressing covering material 40) and the connection section 70, or / and between the upper horizontal frame member 13 and the support-side fire-suppressing covering material 40.

[0095] Furthermore, although the material of suppression unit 80 is arbitrary, in the first embodiment it is formed of a heat absorbing material, such as gypsum, aluminum hydroxide, sodium silicate, alum, mica, or a known heat absorbing material formed by combining these, etc. This allows suppression unit 80 to be easily formed, and the manufacturability of suppression unit 80 can be improved.

[0096] Furthermore, the installation method of the suppression unit 80 is arbitrary as long as it can suppress the heat transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection part 70 to be below a threshold value when a fire occurs, but in the first embodiment, the suppression unit 80 is installed so as to fill almost the entire internal space of the upper horizontal frame member 13. However, this is not limiting, and for example, the suppression unit 80 may be installed so as to fill only a portion of the internal space of the upper horizontal frame member 13.

[0097] This first feature makes it possible to prevent the heat of a fire that breaks out around the fitting 1 from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection portion 70, thereby reducing damage to the wooden support member 3 caused by the fire. Furthermore, because the heat-absorbing material that is the suppression portion 80 is provided inside the upper horizontal frame member 13, it can effectively absorb heat from the upper horizontal frame member 13 in the event of a fire, and further prevent the heat of the fire from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection portion 70. Furthermore, since the heat-absorbing material is easier to install than when it is provided in a position other than inside the upper horizontal frame member 13, the installability of the heat-absorbing material can be improved.

[0098] (Configuration - Fixed structure - Fixed structure of upper horizontal frame - Second feature) Next, the second feature of the fixing structure of the upper horizontal frame member 13 is that, as shown in FIG. 2, the fixing structure further includes a connection-side combustion-suppressing covering material 90.

[0099] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - Second feature - Connection side fire retardant covering material) The connection-side combustion suppression covering material 90 is a combustion suppression covering material for suppressing combustion of the connection portion 70 and / or the suppression portion 80. This connection-side combustion suppression covering material 90 is configured to function as a fire-resistant covering material, a fire-prevention covering material, or a non-combustible material, and is provided so as to cover at least one of the visible surfaces of the connection means main body 71. Specifically, as shown in FIG. 2, it is provided on the outdoor side and the indoor side of the room relative to the connection means main body 71.

[0100] In the following, where necessary, the connection side combustion suppression covering material 90, the connection side combustion suppression covering material 90a located on the outdoor side of the room, will be referred to as the "outdoor connection side combustion suppression covering material 90a," and the connection side combustion suppression covering material 90b located on the indoor side of the room will be referred to as the "indoor connection side combustion suppression covering material 90b."

[0101] As shown in FIG. 2, each of the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b includes a third inner combustion suppression covering material 91 and a third outer combustion suppression covering material 92.

[0102] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - Second feature - Connection side fire retardant covering material - Third inner fire retardant covering material) The third inner combustion-suppressing covering material 91 is part of the basic structure of the connection-side combustion-suppressing covering material 90. This third inner combustion-suppressing covering material 91 has substantially the same structure as the second inner combustion-suppressing covering material 61, and is arranged to cover the visible outer surface of the connection means main body 71, as shown in FIG.

[0103] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - Second feature - Connection side fire retardant covering material - Third outer fire retardant covering material) The third outer combustion-suppressing covering material 92 is another part of the basic structure of the connection-side combustion-suppressing covering material 90. This third outer combustion-suppressing covering material 92 has substantially the same configuration as the second outer combustion-suppressing covering material 62, and is provided outside the third inner combustion-suppressing covering material 91. Specifically, as shown in FIG. 2 , it is disposed so as to substantially cover the entire outer surface of the third inner combustion-suppressing covering material 91.

[0104] (Configuration - Fixing structure - Fixing structure of upper horizontal frame - Second feature - Connection side fire retardant covering material - Other configurations) The specific configuration of the connection side combustion suppression covering material 90 is arbitrary, but in embodiment 1, the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b are first arranged so that the connection section 70 and the suppression section 80 are not exposed to the outside.

[0105] Here, "the suppression portion 80 is exposed to the outside" means, for example, that the suppression portion 80 provided inside the upper horizontal frame member 13 is visible from the forward direction through the gap between the upper fixing members 13b.

[0106] 2, for the outdoor connection side combustion suppression covering material 90a, one third inner combustion suppression covering material 91 (or multiple third inner combustion suppression covering materials 91) is arranged at a distance from the connection means main body 71 and is arranged so as to cover substantially the entire surface of the outer surface of the connection means main body 71 that faces the outside of the room. Also, one third outer combustion suppression covering material 92 (or multiple third outer combustion suppression covering materials 92) is arranged so as to cover substantially the entire outer surface of the one third inner combustion suppression covering material 91.

[0107] Furthermore, with regard to the indoor connection side combustion suppression covering material 90b, one third inner combustion suppression covering material 91 (or multiple third inner combustion suppression covering materials 91) is arranged at a distance from the connection means main body 71 and is arranged so as to cover substantially the entire visible surface of the outer surface of the connection means main body 71 on the indoor side of the room. Furthermore, one third outer combustion suppression covering material 92 (or multiple third outer combustion suppression covering materials 92) is arranged so as to cover substantially the entire outer surface of the one third inner combustion suppression covering material 91.

[0108] This prevents the connection part 70 and the suppression part 80 from being exposed to the outside, and makes it possible to maintain the design of the fitting 1 and its surroundings. It also prevents the connection part 70 and the suppression part 80 from being directly exposed to the flames of the fire, prevents the heat of the fire from being conducted to the wooden support member 3 via the connection part 70, and prevents the suppression part 80 from burning.

[0109] The second support-side combustion-suppressing covering material 60 and the connection-side combustion-suppressing covering material 90 are integrally formed.

[0110] 2, the second inner combustion suppression covering material 61 of the outdoor second support-side combustion suppression covering material 60a and the third inner combustion suppression covering material 91 of the outdoor connection-side combustion suppression covering material 90a are integrally formed, and the second outer combustion suppression covering material 62 of the outdoor second support-side combustion suppression covering material 60a and the third outer combustion suppression covering material 92 of the outdoor connection-side combustion suppression covering material 90a are integrally formed. Also, the second inner combustion suppression covering material 61 of the indoor second support-side combustion suppression covering material 60b and the third inner combustion suppression covering material 91 of the indoor connection-side combustion suppression covering material 90b are integrally formed, and the second outer combustion suppression covering material 62 of the indoor second support-side combustion suppression covering material 60b and the third outer combustion suppression covering material 92 of the indoor connection-side combustion suppression covering material 90b are integrally formed.

[0111] This makes it easier to install the fixing structure compared to when the second support side combustion suppression covering material 60 and the connection side combustion suppression covering material 90 are formed separately, thereby improving the ease of installation of the fixing structure.

[0112] This second feature can prevent the heat of the fire from being transmitted to the connection means main body 71, further reducing damage to the wooden support member 3 caused by the fire.

[0113] (About the function of the upper horizontal frame fixing structure) Next, we will explain the operation of the fixing structure of the upper horizontal frame member 13 configured in this way. The operation of the fixing structure of the upper horizontal frame member 13 can be broadly divided into the operation when a fire breaks out on the outside of the room and the operation when a fire breaks out on the inside of the room, but since these operations are substantially the same, we will only explain the operation when a fire breaks out on the outside of the room below.

[0114] For example, if a fire breaks out outside the room in the fully closed state, the wooden support member 3 and the connection part 70 will be exposed to the flames of the fire.

[0115] In this case, the support-side combustion-suppressing covering material 40 suppresses the combustion of the wooden support member 3, and therefore the combustion of at least a portion of the wooden support member 3 prevents the fire from spreading from the outside to the inside of the room via the wooden support member 3. Furthermore, the suppression section 80 suppresses the heat of the fire from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection section 70, and therefore the collapse of the wooden support member 3 due to a reduction in the strength of the wooden support member 3 caused by the heat of the fire can be prevented.

[0116] Furthermore, the connection-side combustion-suppressing covering material 90 can prevent the connection parts 70 and the suppression part 80 from being directly exposed to the flames of the fire, can prevent the heat of the fire from being conducted to the wooden support member 3 via the connection parts 70, and can prevent the suppression part 80 from burning. This can further prevent the strength of the wooden support member 3 from being reduced by the heat of the fire, and can further prevent the wooden support member 3 from collapsing.

[0117] (Method of fixing the frame material) Next, a method for fixing the frame material 15 will be described.

[0118] The method of fixing the frame material 15 is a method for fixing the frame material 15 to the wooden support member 3 (specifically, the wooden interior wall material), and this fixing method includes a method of fixing the vertical frame material 11 on the door tail side, a method of fixing the vertical frame material 12 on the door front side, and a method of fixing the upper horizontal frame material 13.

[0119] Since the methods for fixing the trailing edge vertical frame member 11, the leading edge vertical frame member 12, and the upper horizontal frame member 13 are all substantially identical, only the method for fixing the upper horizontal frame member 13 will be explained below (the same applies to the methods for fixing the trailing edge vertical frame member 11, the leading edge vertical frame member 12, and the upper horizontal frame member 13 in other embodiments).

[0120] (How to fix the frame material - How to fix the upper horizontal frame material) The method for fixing the upper horizontal frame member 13 is a method for fixing the upper horizontal frame member 13 to the wooden support member 3, and includes a first covering step, a first mounting step, an installation step, a second mounting step, a connection step, and a second covering step.

[0121] (Method of fixing the frame material - Method of fixing the upper horizontal frame material - First covering process) First, the first coating step will be described.

[0122] The first covering step is a step of covering the wooden support member 3 with the first support-side combustion-suppressing covering material 50.

[0123] Specifically, at the site where the building fixture 1 is to be installed (hereinafter referred to as the "installation site"), the first support side combustion suppression covering material 50 is placed so that the entire visible surface of the wooden support member 3 on the connection portion 70 side is covered by the first support side combustion suppression covering material 50, and then the first support side combustion suppression covering material 50 is fixed to the wooden support member 3 using fixing devices and / or adhesives, etc.

[0124] (How to fix the frame material - How to fix the upper horizontal frame material - First installation step) Next, the first mounting step will be described.

[0125] The first attachment step is a step for attaching the support-side connection means body 73 to the wooden support member 3 after the first covering step.

[0126] Specifically, at the installation site, the support side connection means main body 73 is set up so that the first support side connection piece 73a of the support side connection means main body 73 abuts the first support side combustion suppression covering material 50, and then multiple support side fixing members 74 are inserted into the wooden support member 3 so as to penetrate the first support side connection piece 73a, the first inner combustion suppression covering material 51, and the first outer combustion suppression covering material 52.

[0127] (Frame material fixing method - Upper horizontal frame material fixing method - Installation process) Next, the installation process will be described.

[0128] The installation step is a step for providing the suppression portion 80 to the upper horizontal frame member 13 before the first covering step (or after the first covering step or the first mounting step).

[0129] Specifically, at a factory or installation site, after the multiple upper fixing members 13b of the upper horizontal frame member 13 are fixed to the upper horizontal frame member 13, the suppression unit 80 is provided inside the upper horizontal frame member main body 13a of the upper horizontal frame member 13. However, this is not limiting, and for example, after the suppression unit 80 is provided inside the upper horizontal frame member main body 13a of the upper horizontal frame member 13, the multiple upper fixing members 13b of the upper horizontal frame member 13 may be fixed to the upper horizontal frame member 13.

[0130] (How to fix the frame material - How to fix the upper horizontal frame material - Second installation process) Next, the second mounting step will be described.

[0131] The second attachment step is a step for attaching the frame-side connection means main body 72 to the upper horizontal frame member 13 after the installation step.

[0132] Specifically, at a factory or installation site, the frame side connection means main body 72 is installed so that the first frame side connection piece 72a of the frame side connection means main body 72 abuts the upper fixing material 13b of the upper horizontal frame material 13, and then multiple frame side fixing members 75 are fixed to the upper fixing material 13b via the first frame side connection piece 72a.

[0133] (Method of fixing the frame material - Method of fixing the upper horizontal frame material - Connection process) Next, the connection process will be described.

[0134] The connecting step is a step for connecting the frame-side connecting means body 72 and the support-side connecting means body 73 after the first mounting step and the second mounting step.

[0135] Specifically, at the installation site, while the upper horizontal frame member 13 is moved from front to rear, the second frame-side connecting piece 72b of the frame-side connecting means main body 72 attached to the upper fixing member 13b is brought into contact with the second support-side connecting piece 73b of the support-side connecting means main body 73 attached to the wooden support member 3, and the third frame-side connecting piece 72c of the frame-side connecting means main body 72 is brought into contact with the third support-side connecting piece 73c of the support-side connecting means main body 73. Thereafter, the multiple connection-side fixing members 76 are fixed to the second support-side connecting piece 73b via the second frame-side connecting piece 72b, and are fixed to the third frame-side connecting piece 72c via the third support-side connecting piece 73c.

[0136] (Method of fixing the frame material - Method of fixing the upper horizontal frame material - Second covering process) Next, the second covering step will be described.

[0137] The second covering step is a step of covering the wooden support member 3 and the connection portion 70 with the second support-side combustion-suppressing covering material 60 and the connection-side combustion-suppressing covering material 90 after the connection step.

[0138] Specifically, at the installation site, the outdoor second support side combustion suppression covering material 60a and the outdoor connection side combustion suppression covering material 90a, which are formed integrally, are positioned so that the entire visible surface of the wooden support member 3 on the outdoor side of the room, and the entire visible surface of the connection portion 70 on the outdoor side of the room, are covered, and then the outdoor second support side combustion suppression covering material 60a is fixed to the wooden support member 3 using fixing devices and / or adhesives, etc. In addition, after arranging the indoor second support side combustion suppression covering material 60b and the indoor connection side combustion suppression covering material 90b so that the integrally formed indoor second support side combustion suppression covering material 60b and the indoor connection side combustion suppression covering material 90b almost cover the entire visible surface of the wooden support member 3 on the indoor side of the room, and so that the entire visible surface of the connection portion 70 on the indoor side of the room is almost covered, the indoor second support side combustion suppression covering material 60b is fixed to the wooden support member 3 with fasteners and / or adhesives, etc.

[0139] By using this method of fixing the upper horizontal frame member 13, it is possible to fix the upper horizontal frame member 13 to the wooden support member 3 easily and quickly.

[0140] (Effects of the First Embodiment) Thus, according to embodiment 1, a connection portion 70 is provided between the frame material 15 and the support side combustion suppression covering material 40, the connection portion 70 being for connecting the frame material 15 and the wooden support member 3, and a suppression portion 80 being for suppressing the heat of a fire that occurs around the building fixture 1 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70. Therefore, it is possible to suppress the heat of a fire that occurs around the building fixture 1 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70, thereby reducing damage to the wooden support member 3 caused by the fire.

[0141] Furthermore, since the suppression section 80 is formed from a heat-absorbing material, the suppression section 80 can be easily constructed, and the productivity of the suppression section 80 can be improved.

[0142] Furthermore, since the heat-absorbing material is provided inside the frame material 15, it can effectively absorb heat from the frame material 15 in the event of a fire, and can further prevent the heat of the fire from being transmitted from the frame material 15 to the wooden support member 3 via the connection part 70. Furthermore, since the heat-absorbing material is easier to install than when it is provided at a position other than inside the frame material 15, the installability of the heat-absorbing material can be improved.

[0143] Furthermore, since the connection-side combustion-suppressing covering material 90 is provided so that the connection parts 70 and the suppression parts 80 are not exposed to the outside, it is possible to prevent the connection parts 70 and the suppression parts 80 from being exposed to the outside, and it is possible to maintain the design of the fitting 1 and its surroundings. It is also possible to prevent the connection parts 70 and the suppression parts 80 from being directly exposed to the flames of the fire, it is possible to suppress the heat of the fire from being conducted to the wooden support member 3 via the connection parts 70, and it is possible to prevent the suppression parts 80 from burning.

[0144] Second Embodiment Next, we will explain the fixing structure of the fitting frame material according to embodiment 2. In this embodiment 2, the support-side combustion-suppressing covering material and the connection-side combustion-suppressing covering material are formed separately. However, the configuration according to embodiment 2 is the same as the configuration according to embodiment 1 unless otherwise specified, and the same configuration will not be explained further by using the same names or symbols as those used in embodiment 1 as necessary.

[0145] (composition) First, we will explain the configuration of the fitting 100 according to embodiment 2. The fitting 100 according to embodiment 2 is configured in substantially the same way as the fitting 1 according to embodiment 1. However, the details of the configuration of the fixing structure of the upper horizontal frame member 13 have been improved as described below.

[0146] (Configuration - Upper horizontal frame fixing structure) Next, the fixing structure of the upper horizontal frame member 13 will be described.

[0147] The features of the fixing structure of the upper horizontal frame member 13 according to the second embodiment are as follows.

[0148] (Configuration - Upper horizontal frame fixing structure - First feature) First, regarding the first feature of the fixing structure of the upper horizontal frame member 13, as shown in Figure 3, the fixing structure comprises a support side combustion suppression covering material 40, a connection portion 70, a suppression portion 80, and a connection side combustion suppression covering material 90.

[0149] (Configuration - Upper horizontal frame fixing structure - First feature - Support side fire retardant covering material) The support-side combustion-suppressing covering material 40 according to embodiment 2 is configured substantially identically to the support-side combustion-suppressing covering material 40 according to embodiment 1. However, the detailed configurations of the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60 have been improved as described below.

[0150] Specifically, as shown in Fig. 3, the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60 are integrally formed. However, this is not limiting, and for example, the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60 may be formed separately.

[0151] (Configuration - Upper horizontal frame fixing structure - First feature - Connection) The connecting portion 70 according to the second embodiment has substantially the same configuration as the connecting portion 70 according to the first embodiment.

[0152] (Configuration - Upper horizontal frame fixing structure - First feature - Restraint section) The suppression section 80 according to the second embodiment has substantially the same configuration as the suppression section 80 according to the first embodiment.

[0153] (Configuration - Upper horizontal frame fixing structure - First feature - Connection side fire retardant covering material) As shown in Fig. 3, the connection-side combustion suppression covering material 90 according to the second embodiment is substantially similar to the connection-side combustion suppression covering material 90 according to the first embodiment, and includes an outdoor connection-side combustion suppression covering material 90a and an indoor connection-side combustion suppression covering material 90b, and these outdoor connection-side combustion suppression covering material 90a and indoor connection-side combustion suppression covering material 90b are arranged at a distance from the connection means main body 71. However, this is not limiting, and for example, as shown in Fig. 4, the outdoor connection-side combustion suppression covering material 90a and the indoor connection-side combustion suppression covering material 90b may each be arranged so as to abut against the connection means main body 71.

[0154] Returning to Figure 3, the specific configuration of the connection side combustion suppression covering material 90 is arbitrary, but in embodiment 2, the support side combustion suppression covering material 40 and the connection side combustion suppression covering material 90 are formed separately.

[0155] Specifically, as shown in Figure 3 (or Figure 4), the first inner combustion suppression coating material 51 and the second inner combustion suppression coating material 61 of the support side combustion suppression coating material 40 and the third inner combustion suppression coating material 91 of the connection side combustion suppression coating material 90 are each formed separately, and the first outer combustion suppression coating material 52 and the second outer combustion suppression coating material 62 of the support side combustion suppression coating material 40 and the third outer combustion suppression coating material 92 of the connection side combustion suppression coating material 90 are each formed separately.

[0156] This allows the support side combustion suppression coating material 40 and the connection side combustion suppression coating material 90 to be installed in a configuration that suits the situation, making it possible to install the support side combustion suppression coating material 40 and the connection side combustion suppression coating material 90 according to needs.

[0157] In this case, the method of installing the connection-side combustion-suppressing covering material 90 is arbitrary, but in the second embodiment, as shown in Fig. 3, the connection-side combustion-suppressing covering material 90 is positioned via alignment portions 110 (for example, protruding pieces or angle members formed on the upper horizontal frame member 13) provided on the upper horizontal frame member 13 and the first support-side combustion-suppressing covering material 50, and then fixed to the wooden support member 3, the first support-side combustion-suppressing covering material 50, or the upper horizontal frame member 13 with fasteners and / or adhesives, etc. This makes it easy to align the connection-side combustion-suppressing covering material 90, thereby improving the ease of installation of the connection-side combustion-suppressing covering material 90.

[0158] This first feature, similar to the fixing structure of the upper horizontal frame member 13 in embodiment 1, can prevent heat from a fire occurring around the building material 100 from being transmitted from the upper horizontal frame member 13 to the wooden support member 3 (specifically, as shown in Figure 3, a wooden interior wall material whose length in the front-to-back direction is shorter than that of the frame body 10) via the connection part 70, thereby reducing damage to the wooden support member 3 caused by the fire.

[0159] (Configuration - Upper horizontal frame fixing structure - Second feature) Next, the second feature of the fixing structure of the upper horizontal frame member 13 is that the second support-side combustion-suppressing covering material 60 and the connection-side combustion-suppressing covering material 90 are arranged so as to be substantially flush with each other.

[0160] Specifically, as shown in Figure 3, the second inner combustion suppression covering material 61 of the outdoor second support side combustion suppression covering material 60a and the third inner combustion suppression covering material 91 of the outdoor connection side combustion suppression covering material 90a are arranged so that they are approximately flush with each other, and the second outer combustion suppression covering material 62 of the outdoor second support side combustion suppression covering material 60a and the third outer combustion suppression covering material 92 of the outdoor connection side combustion suppression covering material 90a are arranged so that they are approximately flush with each other.

[0161] In addition, the second inner combustion suppression covering material 61 of the indoor second support side combustion suppression covering material 60b and the third inner combustion suppression covering material 91 of the indoor connection side combustion suppression covering material 90b are arranged so that they are approximately flush with each other, and the second outer combustion suppression covering material 62 of the indoor second support side combustion suppression covering material 60b and the third outer combustion suppression covering material 92 of the indoor connection side combustion suppression covering material 90b are arranged so that they are approximately flush with each other.

[0162] This second feature ensures a sense of unity between the design of the second support side combustion suppression covering material 60 and the design of the connection side combustion suppression covering material 90, compared to when the second support side combustion suppression covering material 60 and the connection side combustion suppression covering material 90 are not flush, as shown in Figure 4, making it easier to maintain the design of the building fixture 100 and its surroundings.

[0163] (How to fix the upper horizontal frame) Next, a method for fixing the upper horizontal frame member 13 will be described.

[0164] The method for fixing the upper horizontal frame member 13 according to the second embodiment includes a first covering step, a first mounting step, an installation step, a second mounting step, a connecting step, and a second covering step.

[0165] (Upper horizontal frame fixing method - First covering process) The first covering step according to the second embodiment is a step of covering the wooden support member 3 with the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60.

[0166] Specifically, at the installation site, the first support side combustion suppression covering material 50 and the second support side combustion suppression covering material 60 (specifically, the outdoor second support side combustion suppression covering material 60a and the indoor second support side combustion suppression covering material 60b) are arranged so that the entire visible surface on the connection part 70 side of the wooden support member 3 and the entire visible surfaces on the outdoor and indoor sides of the room are substantially covered by the first support side combustion suppression covering material 50 and the second support side combustion suppression covering material 60, and then the first support side combustion suppression covering material 50 and the second support side combustion suppression covering material 60 are fixed to the wooden support member 3 using fixing devices and / or adhesives, etc.

[0167] (Upper horizontal frame fixing method - First installation step) In the first attachment step according to the second embodiment, substantially similar to the first attachment step according to the first embodiment, the support-side connection means body 73 is attached to the wooden support member 3 after the first covering step.

[0168] (Upper horizontal frame fixing method - installation process) The installation process of embodiment 2 is substantially the same as the installation process of embodiment 1, in that the suppression section 80 is provided on the upper horizontal frame member 13 before the first covering process (or after the first covering process or the first mounting process).

[0169] (Second installation step) In the second mounting step according to the second embodiment, substantially similar to the second mounting step according to the first embodiment, the frame-side connecting means main body 72 is mounted to the upper horizontal frame member 13 after the installation step.

[0170] (Upper horizontal frame fixing method - connection process) In the connecting process according to the second embodiment, the frame side connecting means main body 72 and the support side connecting means main body 73 are connected after the first and second mounting processes, in a manner similar to the connecting process according to the first embodiment.

[0171] (Upper horizontal frame fixing method - second covering process) The second covering step according to the second embodiment is a step of covering the connection portion 70 with the connection-side combustion-suppressing covering material 90 after the connection step.

[0172] Specifically, at the installation site, outdoor connection-side fire suppression covering material 90a is positioned via alignment part 110 so that the entire visible surface of connection part 70 on the outdoor side of the room is covered by outdoor connection-side fire suppression covering material 90a, and then this outdoor connection-side fire suppression covering material 90a is fixed to wooden support member 3, first support-side fire suppression covering material 50, or upper horizontal frame member 13 with fasteners and / or adhesives, etc. Furthermore, indoor connection-side fire suppression covering material 90b is positioned via alignment part 110 so that the entire visible surface of connection part 70 on the indoor side of the room is covered by indoor connection-side fire suppression covering material 90b, and then this indoor connection-side fire suppression covering material 90b is fixed to wooden support member 3, first support-side fire suppression covering material 50, or upper horizontal frame member 13 with fasteners and / or adhesives, etc.

[0173] This method of fixing the upper horizontal frame member 13 makes it possible to easily and quickly fix the upper horizontal frame member 13 to the wooden support member 3, substantially similar to the method of fixing the upper horizontal frame member 13 in embodiment 1.

[0174] (Effects of the second embodiment) Thus, according to embodiment 2, similar to the fixing structure of the frame material 15 in embodiment 1, a connection portion 70 is provided between the frame material 15 and the support side combustion suppression covering material 40, and the connection portion 70 is for connecting the frame material 15 and the wooden support member 3, and the suppression portion 80 is for suppressing the heat of a fire that occurs around the building material 100 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70.Therefore, it is possible to suppress the heat of a fire that occurs around the building material 100 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70, and it is possible to reduce damage to the wooden support member 3 caused by the fire.

[0175] Third Embodiment Next, we will explain the fixing structure of the fitting frame material according to embodiment 3. This embodiment 3 is a form equipped with a closure fire-retardant covering material described below. However, the configuration according to embodiment 3 is the same as the configuration according to embodiment 1 except where specifically explained, and for the same configuration, the same names or symbols as those used in embodiment 1 will be used as necessary, and explanations thereof will be omitted.

[0176] (composition) First, we will explain the configuration of the fitting 200 according to embodiment 3. The fitting 200 according to embodiment 3 is configured in substantially the same way as the fitting 1 according to embodiment 1. However, the details of the configuration of the fixing structure of the upper horizontal frame member 13 have been improved as described below.

[0177] (Configuration - Upper horizontal frame fixing structure) Next, the fixing structure of the upper horizontal frame member 13 will be described.

[0178] As for the characteristics of the fixing structure of the upper horizontal frame member 13 in embodiment 3, as shown in Figure 5, the fixing structure includes a support side combustion suppression covering material 40, a connection portion 70, a suppression portion 80, a connection side combustion suppression covering material 90, and a closing combustion suppression covering material 210.

[0179] (Configuration - Upper horizontal frame fixing structure - Support side fire retardant covering material) The support-side combustion-suppressing covering material 40 according to the third embodiment has substantially the same configuration as the support-side combustion-suppressing covering material 40 according to the first embodiment.

[0180] (Configuration - Upper horizontal frame fixing structure - Connection part) The connection portion 70 according to the third embodiment has substantially the same configuration as the connection portion 70 according to the first embodiment.

[0181] (Configuration - Upper horizontal frame fixing structure - Restraint section) The suppression section 80 according to the third embodiment has substantially the same configuration as the suppression section 80 according to the first embodiment.

[0182] (Configuration - Upper horizontal frame fixing structure - Connection side fire retardant covering material) The connection-side combustion-suppressing covering material 90 according to the third embodiment has substantially the same configuration as the connection-side combustion-suppressing covering material 90 according to the first embodiment.

[0183] (Configuration - Upper horizontal frame fixing structure - Enclosure fire retardant covering material) The closing combustion suppression covering material 210 is a combustion suppression covering material for suppressing combustion of the connection portion 70 and / or suppression portion 80 by closing the gap between the connection side combustion suppression covering material 90 and the upper horizontal frame material 13.

[0184] The reason for providing the closing combustion-suppressing covering material 210 is as follows: As shown in Fig. 5, when the length of the wooden support member 3 in the front-to-rear direction is longer than the length of the frame body 10 in the front-to-rear direction, a gap is likely to form between the connection-side combustion-suppressing covering material 90 and the upper horizontal frame member 13. As a result, if a fire breaks out around the fitting 200, the connection part 70 and / or the suppression part 80 may be exposed to the flames of the fire that flow in through the gap, and this problem is avoided.

[0185] This closing combustion suppression covering material 210 is configured to function as a fire-resistant covering material, a fire-preventing covering material, or a non-combustible material, and is provided to cover the gap between the connection-side combustion suppression covering material 90 and the upper horizontal frame member 13. Specifically, as shown in Fig. 5, it is provided to cover the gap between the indoor connection-side combustion suppression covering material 90b and the upper horizontal frame member 13. However, this is not limited to this, and multiple closing combustion suppression covering materials may be provided to cover the gap between the outdoor connection-side combustion suppression covering material 90a and the upper horizontal frame member 13 and the gap between the indoor connection-side combustion suppression covering material 90b and the upper horizontal frame member 13, as shown in Figs. 6 and 7 (note that the support-side combustion suppression covering material 40 in Fig. 7 and the connection-side combustion suppression covering material 90 in Fig. 7 are formed separately).

[0186] Returning to FIG. 5, the closing combustion suppression coating material 210 also includes a fourth inner combustion suppression coating material 211 and a fourth outer combustion suppression coating material 212 .

[0187] (Configuration - Upper horizontal frame fixing structure - Closure fire retardant covering material - Fourth inner fire retardant covering material) The fourth inner combustion suppression covering material 211 is part of the basic structure of the closing combustion suppression covering material 210. This fourth inner combustion suppression covering material 211 is configured substantially identically to the third inner combustion suppression covering material 91, and as shown in Fig. 5, is supported by a spacer 220 attached to the first support-side combustion suppression covering material 50 or the wooden support member 3, and is positioned so as to protrude toward the outside of the room from the tip of the third inner combustion suppression covering material 91 of the indoor connection-side combustion suppression covering material 90b, and is fixed to the spacer 220 or the third inner combustion suppression covering material 91 with fasteners and / or adhesives, etc.

[0188] (Configuration - Upper horizontal frame fixing structure - Closure fire retardant covering material - Fourth outer fire retardant covering material) The fourth outer combustion suppression covering material 212 is another part of the basic structure of the closing combustion suppression covering material 210. This fourth outer combustion suppression covering material 212 is configured substantially identically to the third outer combustion suppression covering material 92 and is provided outside the fourth inner combustion suppression covering material 211. Specifically, as shown in FIG. 5, it is arranged so as to cover substantially the entire outer surface of the fourth inner combustion suppression covering material 211 and is fixed to the fourth inner combustion suppression covering material 211, the third outer combustion suppression covering material 92 of the indoor connection side combustion suppression covering material 90b, or the upper horizontal frame member 13 by fasteners and / or adhesives, etc.

[0189] Due to these features, when a fire breaks out around the building fixture 200, it is possible to prevent the flames of the fire from flowing in through the gap between the connection side combustion suppression covering material 90 and the upper horizontal frame material 13, thereby further reducing damage to the wooden support member 3 caused by the fire.

[0190] (How to fix the upper horizontal frame) Next, a method for fixing the upper horizontal frame member 13 will be described.

[0191] The method for fixing the upper horizontal frame member 13 according to the third embodiment includes a first covering step, a first mounting step, an installation step, a second mounting step, a connection step, a second covering step, and a third covering step.

[0192] (Upper horizontal frame fixing method - First covering process) In the first covering step according to the third embodiment, the wooden support member 3 is covered with the first support-side combustion-suppressing covering material 50, substantially similar to the first covering step according to the first embodiment.

[0193] (Upper horizontal frame fixing method - First installation step) In the first mounting step according to the third embodiment, substantially similar to the first mounting step according to the first embodiment, the support-side connecting means body 73 is mounted to the wooden support member 3 after the first covering step.

[0194] (Upper horizontal frame fixing method - installation process) The installation process of embodiment 3 is substantially the same as the installation process of embodiment 1, in that the suppression section 80 is provided on the upper horizontal frame member 13 before the first covering process (or after the first covering process or the first mounting process).

[0195] (Second installation step) In the second attachment step according to the third embodiment, substantially similar to the second attachment step according to the first embodiment, the frame-side connection means main body 72 is attached to the upper horizontal frame member 13 after the installation step.

[0196] (Upper horizontal frame fixing method - connection process) In the connecting process according to embodiment 3, similarly to the connecting process according to embodiment 1, the frame side connecting means main body 72 and the support side connecting means main body 73 are connected after the first and second mounting processes.

[0197] (Upper horizontal frame fixing method - second covering process) The second covering process of embodiment 3 is substantially similar to the second covering process of embodiment 1, in that after the connection process, the wooden support member 3 and the connection portion 70 are covered with the second support side combustion suppression covering material 60 and the connection side combustion suppression covering material 90.

[0198] (Upper horizontal frame fixing method - 3rd covering process) The third covering step according to the third embodiment is a step of closing the gap between the connection-side combustion-suppressing covering material 90 and the upper horizontal frame member 13 with the closing combustion-suppressing covering material 210 .

[0199] Specifically, at the installation site, the spacer 220 is attached to the first support side combustion suppression covering material 50 or the wooden support member 3 using fasteners or adhesives, etc., and then the closing combustion suppression covering material 210 is fixed to the spacer 220, the indoor connection side combustion suppression covering material 90b, or the upper horizontal frame material 13 using fasteners and / or adhesives, etc.

[0200] By using this method of fixing the upper horizontal frame member 13, it is possible to fix the upper horizontal frame member 13 to the wooden support member 3 easily and quickly.

[0201] (Effects of the Third Embodiment) Thus, according to embodiment 3, similar to the fixing structure of the frame material 15 in embodiment 1, a connection portion 70 is provided between the frame material 15 and the support side combustion suppression covering material 40, and the connection portion 70 is for connecting the frame material 15 and the wooden support member 3, and the suppression portion 80 is for suppressing the heat of a fire that occurs around the building material 200 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70.Therefore, it is possible to suppress the heat of a fire that occurs around the building material 200 from being transmitted from the frame material 15 to the wooden support member 3 via the connection portion 70, and it is possible to reduce damage to the wooden support member 3 caused by the fire.

[0202] Fourth Embodiment Next, we will explain the fixing structure of the fitting frame material according to embodiment 4. In this embodiment 4, the restraining means is formed from a heat insulating material. However, the configuration according to embodiment 4 is the same as the configuration according to embodiment 1 unless otherwise specified, and the same configuration will not be explained further by using the same names or symbols as those used in embodiment 1 as necessary.

[0203] (composition) First, we will explain the configuration of the fitting 300 according to embodiment 4. The fitting 300 according to embodiment 4 is configured in substantially the same way as the fitting 1 according to embodiment 1. However, the details of the configuration of the fixing structure of the upper horizontal frame member 13 have been improved as described below.

[0204] (Configuration - Upper horizontal frame fixing structure) Next, the fixing structure of the upper horizontal frame member 13 will be described.

[0205] As for the characteristics of the fixing structure of the upper horizontal frame member 13 in embodiment 4, as shown in Figure 8, the fixing structure includes a support side combustion suppression covering material 40, a connection portion 70, a suppression portion 310, and a connection side combustion suppression covering material 90.

[0206] (Configuration - Upper horizontal frame fixing structure - Support side fire retardant covering material) The support-side combustion-suppressing covering material 40 according to the fourth embodiment has substantially the same configuration as the support-side combustion-suppressing covering material 40 according to the first embodiment.

[0207] (Configuration - Upper horizontal frame fixing structure - Connection part) The connection part 70 according to embodiment 4 is configured substantially identically to the connection part 70 according to embodiment 1. However, the vertical length of the connection part 70 is set to be shorter than the vertical length between the upper horizontal frame member 13 and the first support-side combustion-suppressing covering material 50, as shown in Fig. 8 .

[0208] (Configuration - Upper horizontal frame fixing structure - Restraint section) The suppression section 310 according to the fourth embodiment is formed of a substantially plate-shaped body (or a substantially block-shaped body), and as shown in Fig. 8, is provided between the frame member 15 (upper horizontal frame member 13) and the connection portion 70. However, without being limited to this, the suppression section 310 may be provided, for example, between the support-side combustion-suppressing covering material 40 and the connection portion 70, between the upper horizontal frame member 13 and the support-side combustion-suppressing covering material 40, or / and inside the upper horizontal frame member 13.

[0209] Furthermore, although the material of suppression unit 310 is arbitrary, in embodiment 4 it is formed from a heat insulating material, such as a calcium silicate board, a gypsum board, or a known heat insulating material formed by combining these, etc. This allows suppression unit 310 to be easily formed, and the manufacturability of suppression unit 310 can be improved.

[0210] Furthermore, the specific size of the suppression section 310 can be any size as long as it can suppress the heat transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection section 70 to below a threshold value when a fire occurs around the building fixture 300, but in embodiment 4 it is set as follows.

[0211] That is, the left-right length of the suppression section 310 is set to be approximately the same as the left-right length of the connection section 70. However, this is not limited to this, and for example, the length may be set to be shorter than or longer than the left-right length of the connection section 70. Furthermore, the front-rear length of the suppression section 310 is set to be shorter than the front-rear length of the connection section 70, as shown in FIG. 8. However, this is not limited to this, and for example, the length may be set to be greater than the left-right length of the connection section 70. Furthermore, the up-down length (thickness) of the suppression section 310 is set to be shorter than the thickness of the support-side combustion-suppressing covering material 40, as shown in FIG. 8. However, this is not limited to this, and for example, the length may be greater than the thickness of the support-side combustion-suppressing covering material 40.

[0212] As for the method of fixing the suppression portion 310, in the fourth embodiment, as shown in Fig. 8, the suppression portion 310 is fixed to the upper fixing member 13b by passing each frame-side fixing member 75 through the first frame-side connecting piece 72a of the frame-side connecting means main body 72, the suppression portion 310, and the upper fixing member 13b. However, this is not limiting, and the suppression portion 310 may be fixed to the first frame-side connecting piece 72a and the upper fixing member 13b with an adhesive or the like, for example.

[0213] (Configuration - Upper horizontal frame fixing structure - Connection side fire retardant covering material) The connection-side combustion-suppressing covering material 90 according to the fourth embodiment has substantially the same configuration as the connection-side combustion-suppressing covering material 90 according to the first embodiment.

[0214] Furthermore, the specific configuration of the connection side combustion suppression covering material 90 is arbitrary, but in embodiment 4, the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b are arranged so that the connection portion 70 and the suppression portion 310 are not exposed to the outside.

[0215] 8, for the outdoor connection side combustion suppression covering material 90a, one third inner combustion suppression covering material 91 (or multiple third inner combustion suppression covering materials 91) is arranged at a distance from the connection means main body 71 and the suppression section 310, and is arranged so as to cover substantially the entire exterior surface of each of the connection means main body 71 and the suppression section 310 that faces the outside of the room. Also, one third outer combustion suppression covering material 92 (or multiple third outer combustion suppression covering materials 92) is arranged so as to cover substantially the entire exterior surface of the one third inner combustion suppression covering material 91.

[0216] Furthermore, with regard to the indoor connection side combustion suppression covering material 90b, one third inner combustion suppression covering material 91 (or multiple third inner combustion suppression covering materials 91) is arranged at a distance from the connection means main body 71 and the suppression section 310, and is arranged so as to cover substantially the entire visible surface on the indoor side of the room of each of the outer surfaces of the connection means main body 71 and the suppression section 310. Furthermore, one third outer combustion suppression covering material 92 (or multiple third outer combustion suppression covering materials 92) is arranged so as to cover substantially the entire outer surface of the one third inner combustion suppression covering material 91.

[0217] This prevents the connection part 70 and the suppression part 310 from being exposed to the outside, making it possible to maintain the design of the fitting 300 and its surroundings. Furthermore, the connection-side combustion-suppressing covering material 90 prevents the connection part 70 and the suppression part 310 from being directly exposed to the flames of the fire, prevents the heat of the fire from being conducted to the wooden support member 3 via the connection part 70, and prevents the suppression part 310 from burning.

[0218] These features, similar to the fixing structure of the upper horizontal frame member 13 according to embodiment 1, make it possible to prevent the heat of a fire that occurs around the fitting 300 from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection part 70, thereby reducing damage caused by the fire to the wooden support member 3. Furthermore, the insulating material reduces the transfer of heat from the fire from the upper horizontal frame member 13 to the connection part 70, further preventing the heat from the fire from being transferred from the upper horizontal frame member 13 to the wooden support member 3 via the connection part 70.

[0219] (How to fix the frame material - How to fix the upper horizontal frame material) Next, a method for fixing the upper horizontal frame member 13 will be described.

[0220] The method for fixing the upper horizontal frame member 13 according to the fourth embodiment includes a first covering step, a first mounting step, a second mounting step, a connecting step, and a second covering step.

[0221] (Upper horizontal frame fixing method - First covering process) In the first covering step according to the fourth embodiment, the wooden support member 3 is covered with the first support-side combustion-suppressing covering material 50, in substantially the same manner as in the first covering step according to the first embodiment.

[0222] (Upper horizontal frame fixing method - First installation step) In the first mounting step according to the fourth embodiment, substantially similar to the first mounting step according to the first embodiment, the support-side connecting means body 73 is mounted to the wooden support member 3 after the first covering step.

[0223] (Second installation step) The second mounting process in embodiment 4 is a process of mounting the frame side connection means main body 72 and the suppression portion 310 to the upper horizontal frame material 13 before the first covering process (or after the first covering process or the first mounting process).

[0224] Specifically, at a factory or installation site, the frame-side connection means main body 72 and the suppression portion 310 are provided on the upper horizontal frame member 13 so that the suppression portion 310 is positioned between the frame-side connection means main body 72 and the upper fixing member 13b of the upper horizontal frame member 13. Thereafter, multiple frame-side fixing members 75 are fixed to the upper fixing member 13b via the first frame-side connection pieces 72a and the suppression portion 310.

[0225] (Upper horizontal frame fixing method - connection process) In the connecting process according to embodiment 4, similarly to the connecting process according to embodiment 1, after the first and second mounting processes, the frame side connecting means main body 72 and the support side connecting means main body 73 are connected.

[0226] (Upper horizontal frame fixing method - second covering process) In the second covering process of embodiment 4, similarly to the second covering process of embodiment 1, after the connection process, the wooden support member 3, connection portion 70, and suppression portion 310 are covered with the second support side combustion suppression covering material 60 and the connection side combustion suppression covering material 90.

[0227] This method of fixing the upper horizontal frame member 13 makes it possible to easily and quickly fix the upper horizontal frame member 13 to the wooden support member 3, substantially similar to the method of fixing the upper horizontal frame member 13 in embodiment 1.

[0228] (Effects of the Fourth Embodiment) As described above, according to the fourth embodiment, the suppression section 310 is formed from a heat insulating material, so that the suppression section 310 can be easily configured, and the productivity of the suppression section 310 can be improved.

[0229] Furthermore, since the connection-side combustion-suppressing covering material 90 is provided so that the connection portion 70 and the suppression portion 310 are not exposed to the outside, it is possible to prevent the connection portion 70 and the suppression portion 310 from being exposed to the outside, and it is possible to maintain the design of the fitting 300 and its surroundings. It is also possible to prevent the connection portion 70 and the suppression portion 310 from being directly exposed to the flames of the fire, to suppress the heat of the fire from being conducted to the wooden support member 3 via the connection portion 70, and to prevent the suppression portion 310 from burning.

[0230] [III] Modifications to the embodiment Although the embodiments of the present invention have been described above, the specific configurations and means of the present invention can be modified and improved as desired within the scope of the technical ideas of the inventions set forth in the claims. Such modifications will be described below.

[0231] (About the problem to be solved and the effects of the invention) First, the problems that the invention aims to solve and the effects of the invention are not limited to those described above, and the present invention may solve problems that are not described above or achieve effects that are not described above, or may solve only some of the problems that are described or achieve only some of the effects that are described.

[0232] (shape, numbers, structure, time series) The components illustrated in the embodiments and drawings may be modified and improved as desired within the scope of the technical concept of the present invention in terms of shape, numerical value, or the structure or chronological relationship of multiple components.

[0233] (Combination of each embodiment) The configurations shown in the above-described embodiments 1 to 4 can be combined with each other. For example, the fixing structure of the upper horizontal frame member 13 according to embodiment 1 (or embodiment 2 or 3) may be combined with the suppression section 310 according to embodiment 4.

[0234] (Regarding wooden support members) In the above first to fourth embodiments, the wooden support member 3 has been described as a wooden interior wall material, but this is not limiting and, for example, it may be a wooden beam (or a wooden pillar), as shown in Fig. 9. In this case, the support-side combustion-suppressing covering material 40 (specifically, the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60) may be arranged so that the entire outer surface of the wooden beam (or the wooden pillar) is covered by the support-side combustion-suppressing covering material 40.

[0235] (Regarding fixed structure) In the above embodiments 1 to 4, it has been explained that the fixing structure includes a fixing structure for the trailing edge vertical frame member 11, a fixing structure for the leading edge vertical frame member 12, and a fixing structure for the upper horizontal frame member 13, but this is not limited to this, and for example, it may include only one or two of the fixing structure for the trailing edge vertical frame member 11, the fixing structure for the leading edge vertical frame member 12, or the fixing structure for the upper horizontal frame member 13.

[0236] Furthermore, in the above embodiments 1 to 4, it has been explained that the fixing structure of the upper horizontal frame material 13 includes an outdoor connection side combustion suppression covering material 90a and an indoor connection side combustion suppression covering material 90b, but this is not limited to this, and for example, at least one of the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b may be omitted.

[0237] Furthermore, in the above embodiment 3, it was explained that the fixing structure of the upper horizontal frame member 13 is provided with a closing combustion suppression covering material 210 and a spacer 220, but this is not limited to this, and for example, the closing combustion suppression covering material 210 and the spacer 220 may be omitted.

[0238] (Various types of fire retardant coating materials) In the above first to fourth embodiments, the various types of combustion-suppressing covering materials (specifically, the first support-side combustion-suppressing covering material 50, the second support-side combustion-suppressing covering material 60, the connection-side combustion-suppressing covering material 90, and the closing combustion-suppressing covering material 210) are described as comprising two stacked combustion-suppressing covering materials (specifically, an inner combustion-suppressing covering material and an outer combustion-suppressing covering material), but this is not limited to this. For example, only one combustion-suppressing covering material may be provided. Alternatively, three or more stacked combustion-suppressing covering materials may be provided, all or part of which are made of the same material (or all different materials).

[0239] In addition, in the above first to fourth embodiments, the various fire-retardant covering materials are described as being made of materials suited to the performance of the fire-resistant structure, but this is not limiting, and they may be made of materials suited to the performance of a quasi-fire-resistant structure, for example. In this case, the inner fire-retardant covering material of the various fire-retardant covering materials may be made of gypsum board or the like to function as a fire-stopping material, and the outer fire-retardant covering material of the various fire-retardant covering materials may be made of fire-retardant plywood or the like to function as a substitute for fire material.

[0240] In addition, in the above-described first to fourth embodiments, the first support-side combustion-suppressing covering material 50 and the second support-side combustion-suppressing covering material 60 are each described as being made of a material suitable for the performance of a fire-resistant structure, but this is not limiting, and they may be made of a material suitable for the performance of a quasi-fire-resistant structure, for example. In this case, the first support-side combustion-suppressing covering material 50 (specifically, the first inner combustion-suppressing covering material 51 and the first outer combustion-suppressing covering material 52) may be made of a non-combustible material, and the second support-side combustion-suppressing covering material 60 (specifically, the second inner combustion-suppressing covering material 61 and the second outer combustion-suppressing covering material 62) may be made of a fire-resistant material.

[0241] Furthermore, in the above-mentioned embodiments 1, 2, or 4, it has been explained that the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b are arranged so that the connection portion 70 and the suppression portion are not exposed to the outside, but this is not limited thereto, and the outdoor connection side combustion suppression covering material 90a and the indoor connection side combustion suppression covering material 90b may also be arranged so that the connection portion 70 and / or a portion of the suppression portion are exposed to the outside.

[0242] (About the connection part) In the above-mentioned first and second embodiments, the connecting portion 70 is described as including the frame-side fixing member 75 and the connection-side fixing member 76, but this is not limited to this. For example, the frame-side fixing member 75 and the connection-side fixing member 76 may be omitted, and the frame-side connecting means main body 72 and the upper horizontal frame member 13 may be connected by welding, and the frame-side connecting means main body 72 and the support-side connecting means main body 73 may be connected by welding.

[0243] Furthermore, in the above-described first to fourth embodiments, the connection means body 71 is described as including the frame-side connection means body 72. However, this is not limited to this. For example, as shown in FIGS. 10 and 11 , the frame-side connection means body 72 may be omitted. The first connection piece 411 provided on the upper horizontal frame member 13 may be connected to the second support-side connection piece 73b of the support-side connection means body 73 via the connection-side fixing member 76, and the second connection piece 412 provided on the upper horizontal frame member 13 may be connected to the third support-side connection piece 73c of the support-side connection means body 73 via the connection-side fixing member 76. In this case, the second mounting step may be omitted in the method for fixing the upper horizontal frame member 13. Furthermore, as shown in FIG. 11 , if a suppression portion 310 made of a heat insulating material is provided, it may be provided between the first support-side combustion-suppressing covering material 50 and the connection portion 70.

[0244] (Regarding the suppression section) 3 to 7 and 9, the fixing structure of the upper horizontal frame member 13 is described as being provided with a suppression section 80 made of a heat-absorbing material, but this is not limited thereto. For example, instead of the suppression section 80, a suppression section 310 made of a heat-insulating material may be provided between the upper horizontal frame member 13 (or the support-side combustion-suppressing covering material 40) and the connection section 70, between the upper horizontal frame member 13 and the support-side combustion-suppressing covering material 40, and / or inside the upper horizontal frame member 13.

[0245] 8, the fixing structure of the upper horizontal frame member 13 is provided with the suppression section 310 made of a heat insulating material, but this is not limiting. For example, instead of the suppression section 310, a suppression section 80 made of a heat absorbing material may be provided between the upper horizontal frame member 13 and the connecting section 70.

[0246] (Addendum) The fixing structure for the frame material for building fixtures in Appendix 1 is a fixing structure for fixing the frame material that constitutes the frame of a fixture to be installed on the skeleton of a building to a wooden support member among the members that constitute the skeleton, and is equipped with a support-side fire-retardant covering material that is a fire-retardant covering material that is installed to cover at least a portion of the outer surface of the support member and is a fire-retardant covering material for suppressing combustion of the support member, a connecting means that is installed between the frame material and the support-side fire-retardant covering material for connecting the frame material and the support member, and a suppression means that, when a fire breaks out around the fixture, suppresses the heat of the fire from being transmitted from the frame material to the support member via the connecting means.

[0247] The fixing structure for a frame material for fittings of Supplementary Note 2 is the fixing structure for a frame material for fittings of Supplementary Note 1, in which the suppression means is formed of a heat absorbing material and / or a heat insulating material.

[0248] The fixing structure for a frame material for fittings of Supplementary Note 3 is the fixing structure for a frame material for fittings of Supplementary Note 2, in which the heat-absorbing material is provided inside the frame material.

[0249] The fixing structure of the building frame material of Appendix 4 is the fixing structure of the building frame material of Appendix 2 or 3, in which the insulating material is provided between the frame material or the support side combustion-retardant covering material and the connection means, or / and between the frame material and the support side combustion-retardant covering material.

[0250] The fixing structure of the building frame material of Appendix 5 is a fixing structure of the building frame material described in any one of Appendixes 1 to 4, which is a fire-suppressing covering material provided so that the connection means and the suppression means are not exposed to the outside, and is equipped with a connection-side fire-suppressing covering material that is a fire-suppressing covering material for suppressing combustion of the connection means and / or the suppression means.

[0251] (Effect of supplementary notes) According to the fixing structure of the frame material for building fixtures described in Appendix 1, a connection means is provided between the frame material and the support-side fire-retardant covering material, and the connection means is for connecting the frame material to the wooden support member, and a suppression means is provided for suppressing the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means.This makes it possible to suppress the heat of a fire that occurs around the building fixture from being transmitted from the frame material to the wooden support member via the connection means, and to reduce damage to the wooden support member caused by the fire.

[0252] According to the fixing structure of the frame material for building materials described in Appendix 2, the suppression means is formed from a heat absorbing material and / or a heat insulating material, so that the suppression means can be easily constructed and the manufacturability of the suppression means can be improved.

[0253] According to the fixing structure for the frame material for fittings described in Appendix 3, since the heat-absorbing material is provided inside the frame material, it can effectively absorb heat from the frame material in the event of a fire, and can further prevent the heat of the fire from being transmitted from the frame material to the wooden support member via the connection means. Furthermore, since the heat-absorbing material is easier to install than when it is provided in a position other than inside the frame material, it is possible to improve the ease of installation of the heat-absorbing material.

[0254] According to the fixing structure of the building frame material described in Appendix 4, insulating material is provided between the frame material or the support-side fire-retardant covering material and the connecting means, or / and between the frame material and the support-side fire-retardant covering material, thereby reducing the transfer of heat from the fire from the frame material or the support-side fire-retardant covering material to the connecting means and / or from the frame material to the support-side fire-retardant covering material, and further reducing the transfer of heat from the fire from the frame material to the wooden supporting member via the connecting means.

[0255] According to the fastening structure for the fitting frame material described in Appendix 5, the connection-side fire-suppressing covering material is provided to prevent the connection means and the suppression means from being exposed to the outside, which prevents the connection means and the suppression means from being exposed to the outside and maintains the design of the fitting and its surroundings. Also, the connection means and the suppression means can be prevented from being directly exposed to the flames of the fire, the heat of the fire can be prevented from being conducted to the wooden support member via the connection means, and the suppression means can be prevented from burning. [Explanation of symbols]

[0256] 1. Doors and windows 2 skeleton 3 Wooden support members 4 Openings 10 Frame 11 Door end side vertical frame material 11a Vertical frame body 11b Vertical recess 12 Door end vertical frame material 13 Upper horizontal frame 13a Upper horizontal frame body 13b Upper fixing material 13c Upper recess 14 Shoe-making horizontal frame material 14a Shoe-slip horizontal frame body 15 Frame material 16 Flooring 20 Opening and closing body 21 Outdoor surface material 22 Handle 23 Locking device 30 Hinge part 40 Support side fire retardant coating material 50 First support side fire retardant coating material 51 No. 1 inner fire retardant coating 52 1st outer combustion suppression coating 60 Second support side fire retardant coating material 60a Outdoor second support side combustion retardant covering material 60b Indoor second support side fire retardant covering material 61 Second inner fire retardant cladding material 62 Second outer combustion suppression coating 70 Connection 71 Connection means body 72 Frame side connection means body 72a First frame side connecting piece 72b Second frame side connecting piece 72c Third frame side connecting piece 73 Support side connection means body 73a First support side connecting piece 73b Second support side connecting piece 73c Third support side connection piece 74 Support side fixing member 75 Frame side fixing member 76 Connection side fixing member 80 Suppression part 90 Connection side fire retardant coating material 90a Outdoor connection side combustion retardant coating material 90b Indoor connection side fire retardant coating material 91 Third inner fire retardant coating 92 Third outer combustion suppression coating 100 Building materials 110 Alignment section 200 Building materials 210 Closure fire retardant coating material 211 No. 4 Inner Combustion Retardant Cladding 212 No. 4 outer combustion suppression coating 220 Spacer 300 Building materials 310 Suppression part 411 First connecting piece 412 Second connecting piece

Claims

1. A fixing structure for fixing a frame material constituting a frame of a fixture to be installed in the skeleton of a building to a wooden support member among the members constituting the skeleton, a support-side combustion-suppressing covering material that is provided so as to cover at least a portion of the outer surface of the support member and that is a combustion-suppressing covering material for suppressing combustion of the support member; a connecting means provided between the frame material and the support-side combustion-suppressing covering material, the connecting means being for connecting the frame material and the support member; and a suppression means for suppressing the heat of the fire from being transmitted from the frame material to the support member via the connection means when a fire occurs around the building fixture; the support-side combustion-suppressing covering material includes a first support-side combustion-suppressing covering material located on the connection means side, The first support-side combustion-suppressing covering material is configured so that the entire outer surface of the support member on the connection means side is covered by the first support-side combustion-suppressing covering material; The device further includes a connection-side combustion-suppressing covering material that is a combustion-suppressing covering material provided so that the connection means and the suppression means are not exposed to the outside and that suppresses combustion of the connection means and / or the suppression means. Fixing structure for building frame materials.

2. The support-side combustion-suppressing coating material comprises two combustion-suppressing coating materials arranged in a stacked manner. A fixing structure for a frame material for building fixtures according to claim 1.

3. The frame material is a frame material body that is a hollow body formed so that the cross-sectional shape is a shape that is open toward the support member side; a plurality of fixing members arranged in parallel at predetermined intervals along the length direction of the frame member on the open end side of the frame member body, The connecting means is fixed to the fixing material. A fixing structure for a frame material for building fixtures according to claim 1 or 2.

4. The connection means is provided so as to be located within a space surrounded only by the flame retardant coating material including at least the support side flame retardant coating material and the connection side flame retardant coating material and the steel frame material. A fixing structure for a frame material for building fixtures according to any one of claims 1 to 3.

5. The suppression means is formed of a heat absorbing material and / or a heat insulating material. A fixing structure for a frame material for building fixtures according to any one of claims 1 to 4.

6. The heat absorbing material is provided inside the frame material. A fixing structure for a frame material for building fixtures according to claim 5.

7. The heat insulating material is provided between the frame material or the support side combustion suppression covering material and the connection means, or / and between the frame material and the support side combustion suppression covering material. A fixing structure for a frame material for fittings according to claim 5 or 6.

8. A fixing structure for fixing a frame material constituting a frame of a fixture provided on the skeleton of a building to a wooden supporting member among the members constituting the skeleton, a support-side combustion-suppressing covering material that is provided so as to cover at least a portion of the outer surface of the support member and that is a combustion-suppressing covering material for suppressing combustion of the support member; a connecting means provided between the frame material and the support-side combustion-suppressing covering material, the connecting means being for connecting the frame material and the support member; and a suppression means for suppressing the heat of the fire from being transmitted from the frame material to the support member via the connection means when a fire occurs around the building fixture; the support-side combustion-suppressing covering material includes a first support-side combustion-suppressing covering material located on the connection means side, The first support-side combustion-suppressing covering material is configured so that the entire outer surface of the support member on the connection means side is covered by the first support-side combustion-suppressing covering material; The suppression means is formed of a heat absorbing material and / or a heat insulating material, The heat insulating material is provided between the frame material or the support-side combustion-suppressing covering material and the connection means, or / and between the frame material and the support-side combustion-suppressing covering material. Fixing structure for building frame materials.

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