JP6130687B2 - Opening device - Google Patents

Description

  The present invention relates to an opening device.

  Conventionally, a window with improved fire prevention performance has been proposed. For example, a technology that improves the fire prevention performance of windows by attaching a metal cross-sectional reinforcement U-shaped reinforcing core material in the left and right direction of the lower lid in the hollow formed inside the lower fence that constitutes the shoji It has been known. Thereby, it is possible to prevent the glass fitted in the scissors from being displaced downward by collapsing the scissors with high heat due to a fire.

  By the way, in order to improve the crime prevention performance of a window, the technique which provides a sub-block in the lower armor which comprises a shoji is known (for example, refer patent document 1). In Patent Literature 1, a sub-lock case is attached to a lower arm by providing a groove that leads from the indoor side to the hollow inside the lower arm.

JP-A-11-210297

  However, when a reinforcing core material having a U-shaped cross-sectional view is installed in the hollow formed inside the lower heel constituting the shoji through the direction of finding the lower heel, a member such as a sub-block on the lower heel of the shoji It is difficult to install the base material because the member such as the sub-block and the reinforcing core member come into contact with each other.

  The present invention has been made in view of the above, and its purpose is to prevent the inside of the lower casing from being crushed and the glass from being displaced due to a fire, and to install a member such as a sub-block. It is to provide a possible opening device.

  In order to achieve the above object, the present invention uses an upper rod (for example, an upper rod 21 to be described later), a lower rod (for example, an lower rod 22 to be described later), and left and right vertical beams (for example, vertical rods 23 and 24 to be described later). An opening device (e.g., a shoji (e.g., a later-described shoji 20) described below) including a koji (e.g., a later-described eaves 200) and a glass (e.g., a later-described glass 25) housed in the eaves. For example, a vertical window 1), which will be described later, in which the lower casing has a rectangular tube portion (for example, a rectangular tube portion 221e described later) having a hollow portion (for example, a hollow portion 221a described later) formed therein, A metal fitting (for example, a reinforcing member 80 described later) disposed inside the rectangular tube portion, and the metal fitting includes a locating part (for example, a locating part 81 described later) extending in the locating direction. A prospective portion (for example, a prospective portion 82 to be described later) extending in the prospective direction from the finding portion. Providing an opening device.

In the present invention, a main body portion having a lock mechanism disposed inside the rectangular tube portion and a sub-block having an operation portion disposed on the indoor side of the lower collar , the metal fitting includes the rectangular tube portion and finding portion facing outdoor side extend in the longitudinal direction of the lower rail the body part inside the, in the longitudinal direction outward from the body portion, extending on the estimated direction indoor side from the finding unit A prospect part.
Thereby, even if the lower resin or aluminum melts due to a fire, the metal can be prevented from shifting downward. If the glass can be prevented from shifting downward or falling, it can prevent the intrusion of hot air or smoke into the indoor due to the opening of the upper part of the glass, so it can provide an opening device with excellent fire prevention performance. .
If the finding part of the metal fitting that extends in the finding direction of the present invention is arranged on the outdoor side inside the hollow of the lower iron, in addition to exhibiting high fire prevention performance against a fire on the outdoor side, It becomes easy to arrange a member such as a sub-block on the indoor side of the hollow interior.

The sub lock (e.g., sub block 90 will be described later) includes a main body portion (e.g., the main body portion 94 to be described later), and the operation unit (e.g., the operation unit 91 to be described later), the surface of the indoor side of the lower rail A connecting portion (for example, a connecting portion 93 to be described later) that is inserted into a slit (for example, slits 221d and 222b to be described later) that extends in the direction of being found to connect the main body portion and the operating portion. And it is preferable that the said metal fitting is arrange | positioned so that the said finding part may cover the outdoor side of the said slit in the elongate direction of the said lower eyelid.

If the shoji is installed with a sub-block that is inserted through the slit formed in the lower arm, the fire performance of the slit portion tends to be inferior, and hot air and smoke may enter the indoor from the slit portion in a fire there were. Further, when the sub-block is disposed in the hollow portion of the lower heel, it is difficult to attach the conventional reinforcing core material having a U-shaped cross-sectional view through the piercing direction of the lower heel.
In this invention, the main body having a lock mechanism disposed inside the square tube portion of the lower arm, the operating portion disposed on the indoor side of the lower arm, and the connecting portion that connects the main body and the operating portion Are inserted into a slit formed on the indoor side surface of the lower arm in the direction of finding. Moreover, a metal fitting is arrange | positioned so that a finding part may cover the said slit in the finding direction of a lower eyelid.
As mentioned above, if the fitting part is installed on the outdoor side inside the hollow and extends in the direction of finding, it can be easily installed if it is a sub-block that is inserted through the slit on the indoor side of the lower arm Can do. In addition, this makes it possible to maintain a good fireproof performance despite the installation of the sub-block because the fitting portion protects the slit portion against a fire from the outdoor side.

  It is preferable that the shoji screen further includes a glass holding metal fitting (for example, a glass holding metal fitting 255a described later) extending in the direction of finding between the lower arm and the lower edge of the glass.

In the present invention, the glass holding metal fitting extends in the direction of finding between the lower eyelid and the lower edge of the glass.
Thereby, since the lower edge part of glass is supported and protected by the glass holding metal fitting, the fireproof performance and safety | security of a window become higher.

  It is preferable that the metal fitting is disposed so as to overlap the glass holding metal fitting in a plane projection plane.

In the present invention, the metal fitting and the glass holding metal fitting are further arranged so as to overlap on the plane projection plane.
As a result, the glass holding metal that supports the glass is supported by the metal that is disposed below the glass holding metal and in the lower casing hollow. Accordingly, even if the lower resin or aluminum melts due to a fire, the weight of the entire glass can be easily supported by the metal fitting, and the glass can be more effectively prevented from shifting downward.

  It is preferable that a heating foam material (for example, a heating foam material 81a to be described later) is attached to the indoor side surface of the finding portion.

In this invention, a heating foam material is attached to the indoor side surface of the finding portion.
Thereby, even when a sub-block is installed on the lower arm, when a fire occurs, the heated foam material expands by heat, and the space between the finding portion and the sub-block can be closed. Therefore, hot air and smoke can be prevented from entering the indoors through the space, and more excellent fire prevention performance can be obtained.

  It is preferable that the metal fitting is fixed to the indoor side surface of the lower arm, the upper surface of the lower arm or the lower surface of the lower arm.

In this invention, the metal fitting is fixed to the indoor side surface of the lower arm, the upper surface of the lower arm or the lower surface of the lower arm. That is, the metal fitting is fixed to a surface other than the surface on the outdoor side of the lower arm.
Thereby, the fixing location of the metal fitting is melted by heating from the outdoor side due to a fire, and the metal fitting can be prevented from shifting. By preventing the metal fitting from shifting, it is possible to prevent the glass from dropping from the opening device.

  The metal fitting further includes an extension part (for example, a first extension part 83 to be described later) that extends from one end on the indoor side of the expectation part in the finding direction, and the extension part is on the indoor side of the lower arm. It is preferable to be fixed to the surface.

In this invention, the metal fitting further includes an extending portion that extends in the finding direction from one end on the indoor side of the expecting portion. Also, fix the extension to the indoor side of the lower arm.
Thereby, dropping of glass can be prevented more effectively. In other words, by fixing the bracket to the indoor side surface of the lower arm that is most unlikely to be affected by heating from the outdoor side, heating from the outdoor side due to a fire will melt the bracket fixing point, and the bracket will shift. Can be prevented.

  It is preferable that at least one metal fitting is disposed on one side in the direction of finding in the hollow interior of the lower collar.

In this invention, at least one metal fitting is arranged on one side in the direction of finding in the hollow interior of the lower collar.
Thereby, since a metal fitting is arrange | positioned in a part of finding direction inside the hollow inside of a lower arm, the weight of a shoji can be reduced, and the cost of production and installation of an opening part apparatus can be reduced.

  ADVANTAGE OF THE INVENTION According to this invention, the opening part apparatus which can prevent that the hollow inside an underarm is crushed and a glass slip | deviates by a fire, and can also install members, such as a sublock, can be provided.

It is a figure when the vertical extended window which concerns on one Embodiment of this invention is seen from the indoor side. It is a longitudinal cross-sectional view of the vertical window which concerns on the said embodiment. It is a cross-sectional view of the vertical extension window according to the embodiment. It is a perspective view which shows the metal fitting (reinforcement material 80) which concerns on the said embodiment. It is a front view of the lower lid of the vertical window which concerns on the said embodiment. It is a top view of the lower arm of the vertical window which concerns on the said embodiment. It is an expansion cross-sectional view of the lower arm of the vertical window which concerns on the said embodiment.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In the present specification, the “finding direction” means the glass surface direction (that is, the left-right direction) in the window housed in the opening formed in the wall of the building, and the “look-in direction” means , Meaning the thickness direction (that is, the depth direction) of the glass.

  FIG. 1 is a view of a vertical window 1 as an opening device according to the present embodiment when viewed from the indoor side. As shown in FIG. 1, the vertical window 1 is housed in an opening 7 formed on a wall 6 of a building and having a frame 70 attached to the opening edge. The vertically extending window 1 includes a window frame 10, a shoji 20, an upper arm 30, and a lower arm 40.

  The window frame 10 is framed in a rectangular shape by an upper frame 11, a lower frame 12, a vertical frame 13 on the hanging side, and a vertical frame 14 on the door end side.

The shoji 20 is fitted into a fold 200 and a fold 200 that are assembled into a rectangular shape by an upper fold 21, a lower fold 22, a vertical fold 23 on the hanging side, and a vertical fold 24 on the door end side. And a fixed glass 25.
The vertical rod 24 on the door-end side includes a main lock 24a for operating a claw that engages with a receiving member 14a provided on the vertical frame 14 on the door-end side. The shoji 20 can be opened by gripping the main lock 24a and pushing the door rod 24 to the outdoor side.

The upper arm 30 connects the upper frame 11 and the upper collar 21.
The lower arm 40 connects the lower frame 12 and the lower collar 22.
The upper arm 30 and the lower arm 40 support the shoji 20.

  A sub-block 90 to be described later is disposed on the door end side of the lower arm 22.

  FIG. 2 is a longitudinal sectional view when viewed from the suspension side of the vertical window 1 according to this embodiment. As shown in FIG. 2, the glass 25 is a multi-layer glass including an indoor plate glass 251, an outdoor plate glass 252, and a spacer 253 sandwiched between these two plate glasses, and has excellent heat insulation properties. Have

The lower frame 12 includes an outdoor metal lower frame 121 and an indoor resin lower frame 122.
The metal lower frame 121 is made of aluminum, for example. More specifically, the metal lower frame 121 is obtained by extruding aluminum.
The resin lower frame 122 is made of a synthetic resin such as a vinyl chloride resin. More specifically, the resin lower frame 122 is obtained by extrusion molding a synthetic resin such as a vinyl chloride resin.

The metal lower frame 121 has a hollow structure having a lower hollow portion 121b and an upper hollow portion 121a partitioned by a partition wall 121c.
A metal lower frame standing portion 121d is formed above the hollow portion 121a on the upper side of the metal lower frame 121 so as to stand upward from an end portion on the indoor side. A metal lower frame horizontal portion 121e extending substantially horizontally toward the indoor side is formed at the tip of the metal lower frame standing portion 121d. Further, a metal lower frame hanging portion 121f extending substantially vertically downward from the metal lower frame horizontal portion 121e is formed.

  The resin lower frame 122 is mounted on the metal lower frame horizontal part 121e and extends horizontally, and the resin lower frame main body 122b attached to the indoor side of the metal lower frame hanging part 121f. , Including.

The lower rod 22 is configured to include an outdoor metal lower rod 221 and an indoor resin lower rod 222.
The metal lower bar 221 is made of, for example, aluminum. More specifically, the metal lower bar 221 is obtained by extruding aluminum.
The resin lower rod 222 is made of a synthetic resin such as vinyl chloride resin. More specifically, the resin lower bar 222 is obtained by extruding a synthetic resin such as a vinyl chloride resin.

The metal lower rod 221 includes a square tube portion 221e having a hollow portion 221a formed therein. The hollow part 221a is substantially rectangular in cross-sectional view.
Below the hollow portion 221a of the metal lower rod 221 is formed a metal lower rod hanging portion 221b extending substantially vertically from the end on the outdoor side, and above the hollow portion 221a of the metal lower rod 221 A metal lower ridge standing portion 221c extending from the outer end portion substantially vertically is formed.
A reinforcing member 80, which will be described in detail later, is disposed in the hollow portion 221a.

The resin lower rod 222 includes a resin lower rod main body 222a.
The resin lower gutter main body 222a is attached to the indoor side surface of the hollow portion 221a.
A glass holding groove 254a is formed by the resin lower iron main body 222a and the metal lower iron upright portion 221c.
In the glass holding groove 254a, a glass holding metal fitting 255a, a slip-down preventing material 256, and a sealing material 257a are disposed.
The glass holding metal 255a is a substantially U-shaped long member in which the indoor lower side is slightly recessed toward the inside of the groove in a cross-sectional view along the shape of the glass holding groove 254a, and its open surface is directed upward. Be placed. The glass holding metal 255a is made of a material having a higher melting point than aluminum, such as SUS.
The sealing material 257a supports the lower peripheral edge of the glass 25 by being pressed by the resin lower shell main body 222a from the indoor side and by the metal lower flange standing portion 221c from the outdoor side.

The lower arm 40 is disposed on the suspending side between the lower frame 12 and the lower rod 22.
The lower arm 40 is fixed to the upper surface side of the upper hollow portion 121a with a screw 401, and is fixed to the lower surface side of the hollow portion 221a with a screw (not shown).
The

The upper frame 11 includes an outdoor metal upper frame 111 and an indoor resin upper frame 112.
The metal upper frame 111 is made of, for example, aluminum. More specifically, the metal upper frame 111 is obtained by extruding aluminum.
The resin upper frame 112 is made of a synthetic resin such as a vinyl chloride resin.

  The metal upper frame 111 has a hollow structure having a hollow portion 111a. At the indoor side end on the lower surface side of the hollow portion 111a, a metal upper frame horizontal portion 111b extending substantially horizontally to the indoor side, and a metal upper frame extending substantially vertically upward from the metal upper frame horizontal portion 111b A vertical portion 111c is formed.

The resin upper frame 112 includes a resin upper frame main body 112a.
The resin upper frame main body 112a is attached to the metal upper frame horizontal portion 111b and the metal upper frame vertical portion 111c.

The upper cage 21 includes an outdoor metal upper cage 211 and an indoor resin upper cage 212.
The metal upper collar 211 is made of, for example, aluminum. More specifically, the metal upper bar 211 is obtained by extruding aluminum.
The resin upper collar 212 is made of a synthetic resin such as a vinyl chloride resin. More specifically, the resin upper collar 212 is obtained by extruding a synthetic resin such as a vinyl chloride resin.

The metal upper collar 211 has a hollow structure having a hollow portion 211a.
Above the hollow portion 211a of the metal upper rod 211, a metal upper rod standing portion 211b extending substantially vertically from the end on the outdoor side is formed, and below the hollow portion 211a of the metal upper rod 211, the roof A metal upper hanging portion 211c is formed extending substantially vertically from the outer end.

The resin upper collar 212 includes a resin upper collar body 212a.
The resin upper ridge body 212a is attached to the indoor side surface of the hollow portion 211a.
A glass holding groove 254b is formed by the resin upper ridge body 212a and the metal upper ridge portion 211c.
A sealing material 257b is disposed in the glass holding groove 254b.
The sealing material 257b supports the upper peripheral edge of the glass 25 by being pressed by the resin upper ridge body 212a from the indoor side and by the metal upper ridge portion 211c from the outdoor side.

The upper arm 30 is disposed on the suspension side between the upper frame 11 and the upper collar 21.
The upper arm 30 is fixed to the lower surface side of the hollow portion 111a and is fixed to the lower surface side of the hollow portion 211a.

FIG. 3 is a cross-sectional view of the vertical extension window according to the embodiment.
The suspension side vertical frame 13 includes an outdoor side metal vertical frame 131 and an indoor side resin vertical frame 132.
The metal vertical frame 131 is made of aluminum, for example. More specifically, the metal vertical frame 131 is obtained by extruding aluminum.
The resin vertical frame 132 is made of a synthetic resin such as vinyl chloride resin. More specifically, the resin vertical frame 132 is obtained by extrusion molding a synthetic resin such as a vinyl chloride resin.

The metal vertical frame 131 includes a metal vertical frame body 131a.
The resin vertical frame 132 includes a resin vertical frame body 132a. The resin vertical frame 132 is disposed inside the metal vertical frame 131 on the indoor side.

The hanger side downpipe 23 is configured to include an outdoor side metal downpipe 231 and an indoor side resin downpipe 232.
The metal downpipe 231 is made of aluminum, for example. More specifically, the metal warp 231 is obtained by extruding aluminum.
The resin downpipe 232 is made of a synthetic resin such as a vinyl chloride resin. More specifically, the resin warp 232 is obtained by extruding a synthetic resin such as a vinyl chloride resin.

The metal downpipe 231 has a hollow structure having a hollow portion 231a.
In the door end direction of the hollow part 231a of the metal downpipe 231, a metal downside first horizontal part 231b extending from the end on the outdoor side and a downside second metal side extending from the end on the indoor side An installation portion 231c is formed.

The resin downspout 232 includes a resin downspout main body 232a.
The resin downpipe main body 232a is attached to the surface of the metal downpipe 231 on the indoor side.
A resin vertical gutter horizontal portion 232b extending toward the outdoor side is formed at the front end of the resin vertical gutter body 232a.
The resin vertical gutter horizontal portion 232b engages with the front end portion of the metal vertical gutter second horizontal portion 231c on the side surface of the suspension base.

A glass holding groove 254c is formed by the metal vertical rod first horizontal portion 231b and the metal vertical rod second horizontal portion 231c.
A sealing material 257c is disposed in the glass holding groove 254c.
The sealant 257c supports the peripheral edge of the side surface of the suspension side of the glass 25 by being pressed by the resin vertical gutter horizontal portion 232b from the indoor side and by the metal vertical gutter first horizontal portion 231b from the outdoor side.

About the structure of the vertical frame 14 on the door-end side and the vertical rod 24 on the door-end side, it demonstrates centering on the part which is different from the vertical frame 13 on the hanging side and the vertical rod 23 on the hanging side.
The downarm 24 includes a main lock 24a. The main lock 24a is attached to the resin vertical gutter main body 242a.
The vertical frame 14 includes a receiving member 14a. The receiving member 14a is attached to the resin vertical frame main body 142a, and the main lock 24a is locked when the shoji 20 is closed.

  Although not shown in FIG. 1, a sub-block 90 is attached to the door end side of the lower rod 22. The sub-block 90 includes an operation unit 91 and a lock claw 92 included in a main body (not shown).

FIG. 4 is a perspective view showing the reinforcing member 80 according to the present embodiment.
The reinforcing member 80 is a metal fitting and is made of a material having a melting point higher than that of aluminum, such as SUS.
As described above, the reinforcing member 80 is disposed in the hollow portion 221a of the lower rod 22 (metal lower rod 221).
The reinforcing member 80 includes a finding part 81, a prospecting part 82, a first extending part 83, and a second extending part 84.

The finding part 81 is erected on the outdoor side of the hollow part 221a of the lower rod 22 and extends in the finding direction. A heating foam material 81a is attached to the indoor portion of the finding portion 81.
The expectation part 82 is erected in the hollow part 221a of the lower collar 22 and extends from the finding part 81 in the expectation direction. The expectation part 82 extends from the end of the finding part 81 to the indoor side.
The first extension portion 83 extends in the direction of finding from one end on the indoor side of the expectation portion 82. The first extending portion 83 is formed with a hole 83a for fixing the reinforcing member 80 with a screw.
The second extending portion 84 extends from the end portion of the locating portion 81 opposite to the end portion connected to the expecting portion 82 in the expecting direction.

  In the present embodiment, two reinforcing members 80 having a symmetrical shape are arranged in the hollow portion 221a of the lower rod 22 (metal lower rod 221). With such an arrangement, it is possible to provide a ridge that can accommodate both left-opening and right-opening opening devices.

  5 to 7 are a front view, a plan view, and an enlarged cross-sectional view, respectively, of the lower casing 22 of the vertical extension window according to the present embodiment. More specifically, FIGS. 5 to 7 are diagrams showing how the reinforcing member 80, the glass holding bracket 255 a, and the sub-block 90 are arranged in the lower rod 22. 5 is a view of the lower cage 22 as viewed from the indoor side, and FIG. 7 is an enlarged cross-sectional view of the lower cage 22 as viewed from the door end side.

As shown in FIG. 5, two reinforcing members 80 are arranged at both ends of the hollow portion 221 a of the lower collar 22 in the direction of finding. One reinforcing member 80 may be arranged on one side in the direction of finding the hollow portion 221a of the lower collar 22. Further, the glass holding metal 255 a is extended above the reinforcing member 80 in the entire direction in which the lower rod 22 is found. As described above, the glass holding metal 255a and the reinforcing member 80 are arranged so as to overlap in the finding direction, so that the glass holding metal 255a is supported by the reinforcing material 80 even when the resin or aluminum of the lower iron 22 is melted by a fire. be able to.
As shown in FIGS. 5 and 6, the reinforcing member 80 has a first extending portion 83 fixed to the indoor side surface of the lower rod 22. More specifically, the reinforcing member 80 is fixed to the indoor side of the hollow portion 221a by a hole 83a and a bolt 83b formed in the first extending portion 83 (see FIG. 6). Further, the upper portion of the finding portion 81 of the reinforcing member 80 is in contact with the upper surface of the hollow portion 221a.

As shown in FIGS. 6 and 7, the sub-block 90 includes a main body portion 94, an operation portion 91, and a connecting portion 93.
The main body portion 94 is disposed in the hollow portion 221 a of the lower collar 22. The main body 94 has a lock mechanism that switches between a closed state and an openable state of the shoji 20 by projecting and retracting the lock claw 92.
The operation unit 91 is disposed on the indoor side of the lower basket 22. The operation unit 91 is configured such that the lock claw 92 protrudes and retracts when moved in the direction of finding.
The connecting portion 93 is inserted into slits 221d and 222b formed to extend in the direction of finding in the indoor side surface of the lower rod 22, and connects the main body portion and the operating portion. The slit 221d is provided on the indoor side of the rectangular tube portion 221e of the metal lower collar 221 and communicates the hollow portion 221a with the outside. The slit 222b is provided in the resin lower rib 222. The slits 221d and 222b can be obtained by providing notches with a predetermined length and width from the end portions of the metal lower collar 221 and the resin lower collar 222, respectively. The lengths of the slits 221d and the slits 222b in the direction of finding are the same.
As shown in FIGS. 5 and 6, the finding portion 81 of the reinforcing material 80 on the door end side is disposed so as to cover the slit 221 d (slit 222 b) in the finding direction of the lower rod 22.
The lower rod 22 is manufactured by a procedure in which the reinforcing member 80 is inserted into the metal lower rod 221 and fixed by the bolt 83b, the resin lower rod 222 is attached, and the sub-block 90 is further attached.

According to this embodiment, the following effects are produced.
In the present embodiment, the reinforcing member 80 is disposed inside the rectangular tube portion 221e of the lower collar 22. Further, the reinforcing member 80 includes a finding portion 81 extending in the finding direction and a expecting portion 82 extending from the finding portion 81 in the looking direction.
Thereby, even if the resin and aluminum of the lower iron 22 are melted by the fire, the glass 25 can be prevented from shifting downward. If it is possible to prevent the glass 25 from being displaced downward or dropped, it is possible to prevent hot air or smoke from entering the indoor due to the opening of the upper portion of the glass 25, so an opening device with excellent fireproof performance ( A vertical window 1) can be provided.
Further, if the finding portion 81 of the reinforcing member 80 extending in the finding direction is arranged on the outdoor side of the hollow portion 221a of the lower rod 22, it exhibits a high fireproof performance especially against an outdoor fire. Moreover, it becomes easy to arrange a member such as a sub-lock on the indoor side of the hollow portion 221a of the lower rod 22.

By the way, when the sub-block 90 is installed in the shoji 20 through the slits 221d and 222b formed on the lower arm 22, the fire performance of the slits 221d and 222b tends to be inferior. And smoke could invade indoors. Further, when the sub-block is disposed in the hollow portion 221a of the lower rod 22, it is difficult to attach the conventional reinforcing core material having a U-shaped cross-sectional view through the lower rib 22 in the direction of finding.
In the present embodiment, a main body portion 94 having a lock mechanism disposed in the inside (hollow portion 221a) of the rectangular tube portion 221e of the lower rod 22, an operation portion 91 disposed on the indoor side of the lower rod 22, and the main body A sub-block 90 having a connecting portion 93 for connecting the portion 94 and the operating portion 91 was inserted into slits 221d and 222b formed in the interior side surface of the lower arm in a finding direction. Further, the reinforcing member 80 is arranged so that the finding portion 81 covers the slits 221d and 222b in the finding direction of the lower collar 22.
As described above, if the finding portion 81 of the reinforcing member 80 stands on the outdoor side of the hollow portion 221a and extends in the finding direction, the sub-block is inserted into the slits 221d and 222b on the indoor side of the lower rod 22. If it is 90, it can be installed easily. Moreover, since the finding part 81 of the reinforcing member 80 protects the slits 221d and 222b against a fire from the outdoor side, good fireproof performance can be maintained despite the installation of the sub-block 90. Can do.

In the present embodiment, the glass holding metal 255 a is extended in the direction of finding between the lower rod 22 and the lower edge of the glass 25.
Thereby, since the lower edge part of the glass 25 is supported and protected by the glass holding | maintenance metal fitting 255a, the fire prevention performance and safety | security of an opening part apparatus (vertical extension window 1) become higher.

In the present embodiment, the reinforcing member 80 and the glass holding metal member 255a are further arranged so as to overlap on the plane projection plane.
As a result, the glass holding metal 255a that supports the glass 25 is supported by the reinforcing member 80 that is disposed below the glass holding metal and inside the rectangular tube part 221e of the lower collar 22 (hollow part 221a). Therefore, even if the resin or aluminum of the lower iron 22 melts due to a fire, the weight of the entire glass 25 can be easily supported by the reinforcing material 80, and the glass 25 can be prevented more effectively from shifting downward. Can do.

In the present embodiment, the heating foam material 81 a is attached to the indoor side surface of the finding portion 81.
As a result, even when the sub-block 90 is installed on the lower rod 22, when a fire occurs, the heated foam material 81 a expands by heat, and the space between the finding portion 81 and the sub-block 90 is expanded. Can be closed. Therefore, hot air and smoke can be prevented from entering the indoors through the space, and more excellent fire prevention performance can be obtained.

In the present embodiment, the reinforcing member 80 further includes a first extension portion 83 that extends in the direction of finding from one end of the expectation portion on the indoor side. In addition, the first extension 83 was fixed to the indoor side surface of the lower arm 22.
Thereby, dropping of glass can be prevented more effectively. That is, by fixing the reinforcing material 80 to the indoor side surface of the lower arm 22 that is least affected by the heating from the outdoor side, the fixing portion of the reinforcing material 80 is melted by the heating from the outdoor side due to a fire, It is possible to prevent the reinforcing member 80 from shifting.

In the present embodiment, at least one reinforcing material 80 is disposed on one side in the direction of finding the hollow portion 221a of the lower collar 22.
Thereby, since the reinforcing material 80 is arrange | positioned in a part of the finding direction of the hollow part 221a of the lower collar 22, the weight of the shoji 20 can be reduced, and the production and installation costs of the opening device are reduced. be able to.

It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.
In the above embodiment, the sub-block 90 is provided on the lower rod 22, but the present invention can also be suitably applied to attaching any member other than the sub-block to the hollow portion 221 a of the lower rod 22.

  Moreover, in the said embodiment, although the vertical extension window was described, the shoji of this invention can also be applied to fittings other than a vertical extension window.

Moreover, in the said embodiment, although the reinforcing material 80 was fixed to the surface by the side of the indoor of the lower collar 22, you may fix the reinforcing material 80 to the upper surface of the lower collar 22 or the lower surface of the lower collar 22.
As a result, it is possible to prevent the reinforcing member 80 from being melted by heating from the outdoor side due to a fire, and the reinforcing member 80 from being displaced, so the reinforcing member 80 is fixed to the indoor side surface of the lower arm 22. The same effect as that obtained can be obtained.

  Further, in the above embodiment, two reinforcing members 80 are arranged at both ends of the hollow portion 221a of the lower collar 22, but one reinforcing member 80 may be arranged according to the size of the window, or three You may arrange above.

1 ... Vertical window (opening device)
20 ... Shoji 21 ... Upper collar 22 ... Lower collar 23, 24 ... Longitudinal fence 25 ... Glass 80 ... Reinforcing material (metal fittings)
81 ... Finding part 82 ... Expecting part 81a ... Heating foam material 83 ... 1st extension part (extension part)
90 ... Sub-block 91 ... Operation part 93 ... Connection part 94 ... Body part 200 ... Spear 221a ... Hollow part 221d, 222b ... Slit 221e ... Square tube part 255a ... Glass holding metal

Claims (8)

An opening device comprising an upper frame, a lower frame, and a vertical frame that is assembled by left and right vertical planes, and a shoji with glass housed in the vertical frame,
The lower arm is a rectangular tube part having a hollow part formed therein,
Metal fittings arranged inside the rectangular tube portion;
A main body portion having a lock mechanism disposed inside the rectangular tube portion and a sub-block having an operation portion disposed on the indoor side of the lower arm ;
The fitting includes a finding portion facing outdoor side extend in the longitudinal direction of the lower rail said body portion within said angular tube portion, in the longitudinal direction outward from the body portion, from the finding unit opening device comprising a prospective portion extending in the expected direction indoor side. The sub block, said main body portion, the operation portion and the connecting portion which is inserted into the lower rail of the interior side slit formed extending in finding direction to the plane of the connecting the operation portion and the body portion and, the possess,
The bracket has an opening device according to claim 1, wherein the finding unit is disposed so as to cover the outdoor side of at least the slit in the longitudinal direction of the lower rail.   The opening device according to claim 1 or 2, wherein the shoji is further provided with a glass holding metal member extending in the direction of finding between the lower arm and the lower edge of the glass.   The opening device according to claim 3, wherein the metal fitting is disposed so as to overlap the glass holding metal fitting in a plane projection plane.   The opening part apparatus in any one of Claims 1-4 with which the heating foam material is attached to the surface of the indoor side of the said finding part.   The opening part device according to any one of claims 1 to 5, wherein the metal fitting is fixed to an indoor side surface of the lower arm, an upper surface of the lower arm or a lower surface of the lower arm.   The said metal fitting is further provided with the extension part extended in a finding direction from the indoor side end of the said expectation part, This extension part is being fixed to the indoor side surface of the said lower arm. Opening device. The opening device according to any one of claims 1 to 7, wherein at least one of the metal fittings is disposed on one side in the direction of finding the hollow interior of the lower collar.

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