JP2021169742A - Retaining bracket and fitting - Google Patents

Abstract

To allow a fitting whose frame body or sliding sash is provided with a heat expansion material to maintain fire prevention performance for a long period of time by retaining securely the heat expansion material on the frame body or sliding sash.SOLUTION: A heating expansion material is attached to a frame body or sliding sash via a retaining bracket. The retaining bracket has two flat sections that are continuous at substantially right angles, and a screw insertion section that extends from one flat section to the other in continuous manner.SELECTED DRAWING: Figure 5

Description

The present invention relates to a holding metal fitting for holding a heat-expandable material and a fitting having a heat-expandable material on a frame or a shoji screen.

Conventionally, fittings in which a thermal expansion material is arranged on a frame or a shoji are known.

Japanese Unexamined Patent Publication No. 2014-105554

In the fittings of Document 1 above, since the heat expansion material is attached to the frame or the like with double-sided tape or the like, the double-sided tape or the like may be peeled off due to aged deterioration.

An object of the present invention is to ensure that the heat-expandable material is held by the frame or the shoji in a fitting provided with a heat-expandable material in the frame or the shoji to maintain fire protection performance for a long period of time.

One embodiment is a holding metal fitting that holds a thermal expansion material on a frame or a shoji, and the holding metal fitting has two flat plate portions that are continuous at substantially right angles and is continuous from one flat plate portion to the other flat plate portion. It is a holding metal fitting having a screw insertion portion.
Further, another embodiment is a holding metal fitting for holding the thermal expansion material on the frame or the shoji, and is substantially perpendicular to the fixing portion fixed to the frame or the shoji in opposite directions from one end and the other end of the fixing portion. The fixing portion is a holding metal fitting having a screw insertion portion extending from one end to the other end.

According to this embodiment, the heat expansion material can be held in the frame or the like for a relatively long period of time, and the fire protection performance can be maintained.

It is a vertical cross-sectional view of a fitting according to one embodiment, (a) is a vertical cross-sectional view of the whole, and (b) is a partial vertical cross-sectional view of an upper frame. It is a cross-sectional view of the fitting according to one embodiment, (a) is a whole cross-sectional view, and (b) is a partial cross-sectional view of a left vertical frame. It is a vertical sectional view of the lower part of the fitting which concerns on one Embodiment. It is a vertical sectional view of the lower part of the fitting which concerns on one Embodiment. It is a vertical cross-sectional view of a fitting according to one embodiment, (a) is a vertical cross-sectional view of a lower portion, and (b) is a partial vertical cross-sectional view of a lower frame. It is a figure of the holding metal fitting of the fitting which concerns on one Embodiment, (a) is a perspective view, (b) is a front view, (c) is a side view, and (d) is a plan view. It is a vertical sectional view of the fitting which concerns on other embodiment. It is a figure of the holding metal fitting of the fitting according to another embodiment, (a) is a perspective view, (b) is a front view, (c) is a plan view, and (d) is a side view. .. It is a vertical cross-sectional view of a fitting according to another embodiment, (a) is a partial vertical cross-sectional view of an upper frame, and (b) is a partial vertical cross-sectional view of a lower frame.

The present invention will be described with reference to the drawings.
As a fitting according to an embodiment of the present invention, a vertical sliding window for holding the shoji 2 so as to be openable and closable on the inner circumference of a frame fixed to the opening of the skeleton will be described with reference to the drawings.

− First Embodiment −
The fitting of the present embodiment is formed by assembling the upper frame 11, the lower frame 12, and the left and right vertical frames 13 and 14 made of a metal material such as aluminum in four circumferences, and is fixed to the opening of the building by an anchor member fixed to the skeleton. It is provided with a frame body to be formed and a handset 2 supported on the inner circumference of the frame body so as to be openable and closable.

(Frame body)
As shown in FIG. 1, the upper frame 11 includes a prospect wall 111, a door wall 112 projecting downward (inner circumference direction) from the inner circumference of the prospect wall 111 on the indoor side, and a chamber of the prospect wall 111. It has an outdoor wall 113 provided below the outer inner circumference.
The upper frame 11 has a fixing groove 111a formed on the outer periphery of the prospect wall 111 on the indoor side, and is fixed to the opening of the building by engaging the fixing groove 111a with the anchor member 51 fixed to the skeleton.

As shown in FIG. 1B, the door wall 112 of the upper frame 11 has an indoor side wall 112a, an outdoor wall 112b hanging downward from the lower surface of the prospect wall 111, and a lower end of the outdoor wall 112b bent inward. Then, the continuous stepped wall 112c, the stepped wall 112c in which the indoor side of the stepped wall 112c is gently bent downward to be continuous, the indoor side wall 112a and the stepped wall 112d are connected to each other, and a screw hole is provided. It has a bottom portion 112e having a structure, and has a hollow portion 112A having a substantially inverted L-shaped cross section.

The upper frame 11 has an airtight material mounting portion 112B that opens to the outdoor side at the lower end of the hollow portion 112A, and the airtight material s that abuts on the upper stile 21 of the shoji 2 is attached to the airtight material mounting portion 112B. ..
A thermal expansion material f11 is arranged along the longitudinal direction on the outdoor surface of the door wall 112 of the upper frame 11, and is held by a holding metal fitting 71 at an appropriate position in the longitudinal direction.

As shown in FIG. 1, the lower frame 12 includes a prospect wall 121, a door wall 122 projecting upward (inner circumference direction) from the inner circumference of the prospect wall 121 on the indoor side, and a chamber of the prospect wall 121. It has an outdoor wall 123 provided above the outer inner circumference.
The lower frame 12 has a fixing groove 121a formed on the outer periphery of the prospect wall 121 on the indoor side, and is fixed to the opening of the building by engaging the fixing groove 121a with the anchor member 52 fixed to the skeleton.

As shown in FIG. 3, the door wall 122 of the lower frame 12 has an indoor side wall 122a, an outdoor wall 122b extending upward from the upper surface of the prospect wall 121, and an upper end of the outdoor wall 122b bent inward and continuous. A stepped prospect wall 122c, a stepped portion finding wall 122d in which the indoor side of the stepped prospective wall 122c is bent upward and continuous, and an upper wall 122e having a screw hole connecting the indoor side wall 122a and the stepped portion finding wall 122d. It has two hollow portions 122A and 122B on the upper and lower sides.

The lower frame 12 has an airtight material mounting portion 122C that opens to the outdoor side at the upper end of the hollow portion 122A, and the airtight material s that abuts on the lower frame 22 of the shoji 2 is attached to the airtight material mounting portion 122C. ..
As shown in FIGS. 1, 4, and 5, a thermal expansion material f12 is arranged along the longitudinal direction on the outdoor surface of the door wall 122 of the lower frame 12, and the holding metal fitting 71 is used at an appropriate position in the longitudinal direction. It is held.

As shown in FIG. 2, the left and right vertical frames 13 and 14 have the same configuration on the left and right, and therefore, the left vertical frame 13 will be mainly described here.
The left vertical frame 13 has a prospect wall 131 and a door wall 132 projecting from the inner circumference of the prospect wall 131 toward the inner circumference.

The left vertical frame 13 has a fixing groove 131a formed on the outer periphery of the prospect wall 131 on the indoor side, and is fixed to the building opening by engaging the fixing groove 131a with an anchor member 53 fixed to the skeleton.
A warp prevention block 131b is fixed to the inner peripheral surface of the prospect wall 131 to counter deformation such as external force of the left stile 23 of the shoji 2 in strong winds and warping in the event of a fire.

The right vertical frame 14 is different from the left vertical frame 13 in that a lock receiver 141a for maintaining the closed state of the shoji 2 is fixed to the inner peripheral surface of the prospect wall 141.

As shown in FIG. 2B, the door wall 132 of the left vertical frame 13 has an indoor side wall 132a, an outdoor wall 132b extending in the inner peripheral direction from the inner peripheral surface of the prospective wall 131, and an indoor side wall 132a and an outdoor wall. It has an inner peripheral wall 132c connecting 132b, and has a hollow portion 132A having a substantially rectangular cross section.
The left vertical frame 13 has an airtight material mounting portion 132B that opens to the outdoor side at the inner peripheral end of the hollow portion 132A, and the airtight material s that abuts on the left vertical stile 23 of the shoji 2 is attached to the airtight material mounting portion 132B. It is installed.
A thermal expansion material f13 is arranged along the longitudinal direction on the inner peripheral surface of the prospective wall 131 of the left vertical frame 13, and is held by a holding metal fitting 71 at an appropriate position in the longitudinal direction.

-Shoji-
The shoji 2 consists of an upper stile 21, a lower stile 22, and left and right vertical stiles 23 and 24 assembled in four circumferences, and is double-layered in a glass frontage formed on the inner circumference of each stile material via a backup material and an airtight material. It is formed by supporting a panel body 25 such as double glazing.

As shown in FIG. 1, the upper stile 21 includes a prospect wall 211, an indoor hollow wall 212 provided on the indoor inner circumference of the prospect wall 211, and an outdoor wall 213 provided on the outdoor inner circumference of the prospect wall 211. Have.
The upper stile 21 has a hollow portion 211a adjacent to the indoor side hollow wall 212 on the inner circumference of the prospective wall 211, and the outer periphery of the outdoor side wall 213 extends to the outer circumference from the prospective wall 211 and the airtight material mounting portion 213a. Is formed.
In the upper stile 21, a glass frontage is formed by the indoor side hollow wall 212 and the outdoor side wall 213.

An opening / closing mechanism 81 is arranged between the inner peripheral surface of the upper frame 11 and the outer peripheral surface of the upper stile 21 of the shoji 2.
In the opening / closing mechanism 81, the frame side member (rail member) 811 is fixed to the inner peripheral surface of the prospective wall 111 of the upper frame 11 by a fixing means such as a screw, and the shoji side member 812 is fixed to the prospective wall 211 of the upper frame 21 by a screw or the like. The shoji 2 is fixed by the fixing means of the above, and supports the shoji 2 so as to be movable and rotatable in the finding direction.

As shown in FIGS. 1, 3, 4, and 5, the lower stile 22 of the shoji 2 has a rectangular hollow-shaped prospect wall (main body) 221 and an indoor side provided on the inner circumference of the prospect wall 221 on the indoor side. It has a hollow wall 222 and a ridge 223 attached to the outdoor side of the prospect wall 221.
The ridge 223 of the lower stile 22 covers the entire outdoor side of the prospect wall 221 and extends inward from the prospect wall 221, and a glass frontage is formed by the hollow wall 222 on the indoor side and the ridge 223.

An opening / closing mechanism 82 is arranged between the inner peripheral surface of the lower frame 12 of the frame body and the outer peripheral surface of the lower frame 22 of the shoji 2.
In the opening / closing mechanism 82, the frame side member (rail member) 821 is fixed to the inner peripheral surface of the prospective wall 121 of the lower frame 12 by a fixing means such as a screw, and the shoji side member 822 is fixed to the prospective wall 221 of the lower frame 22 by a screw or the like. The shoji 2 is fixed by the fixing means of the above, and supports the shoji 2 so as to be movable and rotatable in the finding direction.

As shown in FIG. 3, in the lower stile 22 of the shoji 2, a lowering stopper roller 61 is fixed to the lower surface of the prospect wall 221 on the relatively front end side.
In the lower frame 12, the lid member 124 is attached over the door door wall 122 and the outdoor wall 123, and the roller mounting member 62 is placed on the upper surface of the lid member 124 in accordance with the position of the lowering prevention roller 61 fixed to the lower stile 22. Is installed.

As shown in FIG. 4, the adjuster 63 is arranged at a predetermined position on the indoor side of the lower stile 22 of the shoji 2.
The support base 64 is fixed to the indoor side wall 122a of the door wall 122 of the lower frame 12, and the adjuster 63 is placed and fixed on the upper surface of the support base 64. The arm portion 63a extending from the adjuster 63 is fixed to the indoor side surface of the prospective wall 221 of the lower stile 22 via a back plate, and assists the opening and closing of the shoji 2.

As shown in FIG. 5, the lower stile 22 of the shoji 2 is provided with an external handle 65 for opening and closing the shoji 2 from the outdoor side at an appropriate position. The outer handle 65 is provided so that the lower end of the ridge 223 of the lower stile 22 projects outward from the notched portion, and a link or the like for operating the opening / closing means is connected to the end on the indoor side. There is.

As shown in FIG. 2, the left and right stiles 23 and 24 of the shoji 2 have the same configuration on the left and right, and therefore, the left stile 23 will be mainly described here.
The left stile 23 of the shoji 2 has a prospect wall 231, an indoor hollow wall 232 provided on the indoor inner circumference of the prospect wall 231 and a ridge 233 attached to the outdoor inner circumference of the prospect wall 231. ..
A glass frontage is formed by the hollow wall 232 on the indoor side and the ridge 233.

The left stile 23 has a warp prevention block 231a fixed to the outer circumference of the prospect wall 231 on the indoor side to resist deformation such as external force during strong winds and warping during a fire, and is fixed to the inner circumference of the left stile frame 13. In cooperation with the warp prevention block 131b, the shoji 2 is prevented from falling off or being damaged.
Further, an airtight piece 231b is attached to the outer peripheral surface of the prospect wall 231 to protect the space between the inner peripheral surface of the left vertical frame 13 and the outer peripheral surface of the left vertical frame 23.

The right vertical frame 14 includes a lock pin 241a projecting from the outer peripheral surface of the prospect wall 241 by operating the handle 66, and the lock pin 241a abuts on the lock receiver 141a fixed to the right vertical frame 4. The closed state of the shoji 2 can be maintained.

-Holding bracket for thermal expansion material-
In the window of the present embodiment, the thermal expansion material is arranged on the indoor side of the frame body, and is held by the holding metal fittings 71 in each frame material.
FIG. 6 shows a holding metal fitting 71 used in the vertical sliding window of the present embodiment.
The holding metal fitting 71 has two flat plate portions 711 and 712 that are continuous at substantially right angles, and has screw holes (screw insertion portions) 71a that are continuous from one flat plate portion 711 to the other flat plate portion 712. ..

Then, as shown in FIGS. 1B and 5, in the upper frame 11 and the lower frame 12, the thermal expansion members f11 and f12 are along the stepped portion finding walls 112d and 122d of the door door walls 112 and 122. The other flat plate portion 712 is fixed to the stepped prospective walls 112c and 122c by screws b, and is held by one flat plate portion 711 of the holding metal fitting 71.

Further, as shown in FIG. 2B, in the left vertical frame 13, the thermal expansion material f13 is arranged on the inner peripheral surface of the prospect wall 131 on the indoor side, and is screwed to the outdoor wall 132b of the door wall 132. One flat plate portion 711 is held by the other flat plate portion 712 of the holding metal fitting 71 to which one flat plate portion 711 is fixed by b.

Then, the holding metal fitting 71 is heated and expanded to the stepped portion finding wall 122d of the lower frame 12, for example, as shown in FIG. 5B, because the screw holes 71a are continuous with the two flat plate portions 711 and 712. When holding the material f12, the heat expansion material f12 is held by fixing the holding metal fitting 71 to the stepped portion prospective wall 122c of the lower frame 12 via the screw hole 71a of the other flat plate portion 712 portion. However, since the screw hole 71a portion continuous with one flat plate portion 711 serves as the relief portion 71b of the screw head b1 of the screw b, the screw b can be fixed by screwing in a state of being closer to the other flat plate portion 711. , The degree of freedom of construction can be improved.

As described above, according to the holding metal fitting 71 of the present embodiment, the screw hole 71a of the holding metal fitting 71 is formed so as to be continuous from one flat plate portion 711 to the other flat plate portion 712, so that the position of the holding metal fitting 71 can be adjusted. The heating expansion materials f11 and f12 are held by the upper and lower frames 11 and 12, and the heating expansion materials f13 and f14 are held by the left and right vertical frames 13 and 14 with the same holding metal fitting 71. It can be used and has excellent workability and material controllability.

Further, as shown in the example of the holding metal fitting 71 fixed to the lower frame 12, the screw b for screwing the other (or one) flat plate portion 712 (711) is one (or the other) flat plate portion 711 (712). When fixed at a position close to, the screw hole 71a continuous with one (or the other) flat plate portion 711 (712) serves as an escape portion for the head of the screw b, and the screw b is the one (or the other) flat plate portion. It can be fixed closer to 711 (712), and the degree of freedom in the shape of the frame or the like can be improved.

-Second embodiment-
The fitting of the present embodiment is a stepped window in which an upper frame 11 made of a metal material such as aluminum, a lower frame and a left and right vertical frames are assembled in four circumferences, and a transom 15 is arranged between the left and right vertical frames. It is a window in which the shoji 2 is openably and closably supported between the upper frame 11 and the transom light 15.

(Frame body)
As shown in FIG. 7, the upper frame 11 has substantially the same configuration as the upper frame 11 of the first embodiment, and has a structure of the prospect wall 111 and the prospect wall 111 downward (inward direction) from the indoor side inner circumference of the prospect wall 111. It has a door wall 112 projecting toward the door and an outdoor wall 113 provided below the outdoor inner circumference of the prospect wall 111.
A thermal expansion material f11 is arranged along the longitudinal direction on the inner peripheral surface of the prospective wall 111 of the upper frame 11, and is held by a holding metal fitting 72 at an appropriate position in the longitudinal direction.

The transom 15 has a transom main body 151 for holding the double glazing arranged at a lower position, and a door wall 152 having a hollow rectangular cross section continuous to the indoor side of the transom main body 151, and is above the transom light 15. It functions as a lower frame of the shoji 2 placed at the position.
An airtight material attachment portion 152a is formed at the upper end of the outdoor surface of the door wall 152 of the transom light 15, and an airtight material s that abuts on the lower stile 22 of the shoji 2 is attached.
A thermal expansion material f15 is arranged along the longitudinal direction on the outdoor surface of the door wall 152 of the transom light 15, and is held by a holding metal fitting 72 at an appropriate position in the longitudinal direction.

(Shoji)
The shoji 2 consists of an upper stile 21, a lower stile 22, and left and right stiles assembled in four circumferences, and a double glazing or the like is provided through a backup material and an airtight material in a glass frontage formed on the inner circumference of each stile material. It is formed to support the panel body 25 of the above.

As shown in FIG. 7, the upper stile 21 includes a prospect wall 211, an indoor hollow wall 212 provided on the indoor inner circumference of the prospect wall 211, and an outdoor wall 213 provided on the outdoor inner circumference of the prospect wall 211. The glass frontage is formed by the indoor side hollow wall 212 and the outdoor side wall 213.

The lower stile 22 has a prospect wall 221, an indoor hollow wall 222 provided on the indoor inner circumference of the prospect wall 221 and a ridge 223 attached to the outdoor inner circumference of the prospect wall 221. A glass frontage is formed by the wall 222 and the ridge 223.

-Holding bracket for thermal expansion material-
In the window of the present embodiment, the thermal expansion material is arranged on the indoor side of the frame body, and is held by the holding metal fittings 72 in each frame material.
The holding metal fitting 72 used in the window of this embodiment is shown in FIG.
The holding metal fitting 72 is continuously connected to the fixing portion 721, the one-sided contact portion 722 that is continuous from one end of the fixing portion 721 at a substantially right angle, and the one-side contact portion 722 that is continuous from the other end of the fixing portion 721 in the opposite direction of the one-side contact portion 722. The other side contact portion 723, which has a longer longitudinal dimension than the one side contact portion 722, is formed, and a screw hole 721a extending from one end to the other end of the fixing portion 721 is formed.

The one-side contact portion 722 of the holding metal fitting 72 has two contact pieces 722a and 722b protruding from both ends of one end side of the fixing portion 721, and a relief portion 722c is provided between the two contact pieces 722a and 722b. Is forming.

Then, in the upper frame 11, as shown in FIG. 9A, the thermal expansion material f11 is arranged on the inner peripheral surface of the prospect wall 111 on the indoor side, and is held by the holding metal fitting 72.
The holding metal fitting 72 is fixed by the screw b through the screw hole 721a of the fixing portion 721 in a state where the one-side contact portion 722 is in contact with the prospect wall 111 of the upper frame 11, and the heat expansion material f11 is expected. It is sandwiched and held by the wall 111 and the fixing portion 721.

At this time, a space for sandwiching the thermal expansion material f11 can be formed between the prospective wall 111 of the upper frame 11 and the fixed portion 721 by the one-side contact portion 722, and the fixed portion 721 is in a state parallel to the prospective wall 111. Since it can be fixed with, it can be stably held without applying an unreasonable external force to the thermal expansion material f11.

Further, in the lower frame (transom 15), as shown in FIG. 9B, the thermal expansion material f15 is arranged on the outdoor surface of the door wall 152 and is held by the holding metal fitting 72. ..
The holding metal fitting 72 is fixed to the outdoor wall of the door wall 152 by a screw b via the screw hole 721a of the fixing portion 721 in a state where the contact portion 723 on the other side is in contact with the outdoor surface of the thermal expansion material f15. The heat expansion material f15 is held by the contact portion 723 on the other side.

At this time, since the relief portion 722c is formed in the one-side contact portion 722, when the one-side contact portion 722 is screwed to the screw hole 721a formed in the fixing portion 721 from the bending side, the screw is fixed. Since the screw head b1 of the screw b can be released by the relief portion 722c, the screw b can be fixed in a state of being close to the one-side contact portion 722, and the degree of freedom of construction can be improved.

As described above, according to the holding metal fitting in the above embodiment, the heating and expanding material can be held by using a common holding metal fitting for a plurality of frame materials, so that the heating and expanding material can be prevented from falling off due to aged deterioration. In addition, product management becomes easy.
Further, since the holding metal fitting can be fixed through a screw insertion portion such as a long hole, the position of the holding metal fitting can be easily adjusted. It can be fixed with screws in a wide area in the length direction, has good workability, and can improve the degree of freedom of fixing.

In the holding metal fittings of each of the above embodiments, the screw holes are formed by holes such as elongated holes, but one end of the elongated holes is formed by a groove or the like that is open at the end edge of the holding metal fitting. You may.
Further, the relief portion for releasing the head of the screw is not limited to the above embodiment, and any hole or groove formed on the extension line of the elongated hole of the screw and capable of allowing the head of the screw to escape is used. It may have a different shape.

It goes without saying that the above embodiments do not limit the invention described in the claims and are treated as examples.

71: Holding metal fitting 71a: Screw hole 71b: Relief part 711: Flat plate part 712: Flat plate part 72: Holding metal fitting 721: Fixed part 721a: Screw hole 722: One side contact part 722a: Contact piece 722b: Contact piece 722c : Relief part 723: Opposite side contact part f11-f15: Heat expansion material

Claims (3)

A holding bracket that holds the thermal expansion material on the frame or shoji.
The holding metal fitting has two flat plate portions that are continuous at substantially right angles.
A holding metal fitting having a continuous screw insertion portion from one flat plate portion to the other flat plate portion. A holding bracket that holds the thermal expansion material on the frame or shoji.
It has a fixing part that is fixed to the frame or shoji, and a contact part that is continuous at substantially right angles in opposite directions from one end and the other end of the fixing part.
The fixing portion is a holding metal fitting having a screw insertion portion extending from one end to the other end. A fitting in which a heat-expanding material is held in a frame or a shoji by the holding metal fitting according to claim 1 or 2.

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