JP2014156732A - Opening device and construction method of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening device and a construction method of the same which has excellent fireproof performance and workability by including a glass holding metal fitting.SOLUTION: An opening device 30 includes: a window frame 10 framed by a head jamb 100, a sill 200, and right and left jambs 300, 400; a glass 20 fixed by being fit in the window frame 10; and a glass holding metal fitting 70 extended in a vertical direction of the peripheral edge 20a of the glass 20 among the jambs 300, 400 and the side edge of the glass 20. The glass holding metal fitting 70 includes: a first glass holding metal fitting 71 fixed to the window frame 10 and forming a slit 710; and a second glass holding metal fitting 72 forming a projection 720 engaged with the slit 710.

Description

  The present invention relates to an opening device and a construction method thereof. In detail, it is related with the opening part apparatus which has the outstanding fire prevention performance, and its construction method.

  Conventionally, a sliding window with improved fire performance has been proposed (see, for example, Patent Document 1). In the sliding window of Patent Document 1, a glass holding fitting (glass front reinforcing material) made of stainless steel in a U-shaped section is formed in a glass holding groove formed on the inside of each saddle constituting the shoji. And is screwed to the glass side wall of the glass holding groove. Thereby, even if the indoor side wall or the outdoor side wall of the glass holding groove is melted and deformed in the event of a fire, the glass can be held by the glass holding metal fitting, so that the glass can be prevented from falling off.

JP 2012-122303 A

  However, since the glass holding metal fitting of Patent Document 1 has a U-shaped cross-sectional view, it has to be attached to the shoji simultaneously with the glass attachment. Therefore, there are difficulties in workability, and improvement in workability has been demanded.

  This invention is made | formed in view of the above, The objective is to provide the opening part apparatus which has the outstanding fire workability by providing a glass holding metal fitting, and has the outstanding workability, and its construction method. is there.

  In order to achieve the above object, the present invention provides an upper frame (for example, an upper frame 100 described later), a lower frame (for example, a lower frame 200 described later), and left and right vertical frames (for example, left and right vertical frames 300 and 400 described later). ) And an opening device (for example, an opening to be described later) including a frame (for example, a window frame 10 to be described later) and a glass (for example, a glass 20 to be described later) fitted and fixed in the frame. Glass holding fitting (e.g., a device 30) extending in the vertical direction of the peripheral edge of the glass (for example, the peripheral edge 20a of glass described later) between the vertical frame and the side edge of the glass. For example, the glass holding metal fitting 70 (to be described later) is further provided, and the glass holding metal fitting is fixed to the frame body, and a first glass holding metal fitting (for example, a slit 710 to be described later) is formed (for example, The first glass holding metal fittings to be described later 1) and a second glass holding metal fitting (for example, a second glass holding metal piece 72 described later) on which a second engaging part (for example, a projection part 720 described later) that engages with the first engaging part is formed. An opening device is provided.

In this invention, the glass holding metal fitting extended in the up-down direction of the peripheral part of glass is provided between a vertical frame and the side edge part of glass. In addition, the glass holding bracket is fixed to the frame and the first glass holding bracket in which the first engagement portion is formed, and the second glass in which the second engagement portion that engages with the first engagement portion is formed. Consists of holding brackets.
Thus, after the glass is fitted into the frame body to which the first glass holding metal fitting is previously attached, the second engaging portion of the second glass holding metal fitting is inserted into the first engaging portion of the first glass holding metal fitting. By engaging the glass holding fitting, the glass holding fitting constituted by the first glass holding fitting and the second glass holding fitting can be attached to the opening device. Accordingly, excellent fireproof performance can be obtained and the second glass holding metal fitting can be retrofitted, so that excellent workability can be obtained.
Moreover, since the 2nd glass holding metal fitting can be fixed to a frame body via the 1st glass holding metal fitting by engaging a 2nd engagement part with respect to a 1st engaging part, for example, the 2nd glass attached later Even in a structure where a space for screwing the holding metal fitting cannot be secured, the glass holding metal fitting can be attached to the frame. Furthermore, since screwing or the like is unnecessary, it is possible to reduce the installation time, and it is not necessary to change the existing shape of the frame, thereby reducing the manufacturing cost.

  The first glass holding metal fitting has a first finding portion (for example, a first finding portion 71b described later) extending in the finding direction, and the second glass holding fitting extends in the looking direction. It has a 2nd look part (for example, the 2nd look part 72a mentioned below), the 1st engagement part is extended and formed in the up-and-down direction to the 1st look part, and the 2nd engagement part is It is preferable that the second prospective portion is formed so as to extend in the vertical direction at one end portion in the prospective direction.

In this invention, while forming the 1st engaging part extended in an up-down direction in the 1st finding part of the 1st glass holding metal fitting, it is in one end part of the prospective direction in the 2nd prospect part of the 2nd glass holding metal fitting. A second engaging portion extending in the vertical direction is formed.
Thereby, since a 1st engaging part is formed in the surface of a finding direction, when retrofitting the 2nd glass holding metal fitting from either one of an indoor side and the outdoor side, it is the expectation direction of a 2nd expectation part. The second engaging portion formed at one end can be easily engaged with the first engaging portion. Therefore, more excellent workability can be obtained.
Moreover, since the 1st engaging part and the 2nd engaging part are extended in the up-down direction, a 2nd glass holding metal fitting can be more reliably fixed to a frame body via a 1st glass holding metal fitting.

  The first engagement portion is a slit (for example, a slit 710 described later) extending in the up-down direction, and the second engagement portion protrudes from one end portion in the expectation direction of the second expectation portion. It is preferable that it is a protrusion part (for example, the below-mentioned protrusion part 720) engaged.

In this invention, let the 1st engaging part be the slit extended in an up-down direction, and let the 2nd engaging part be the projection part which protrudes from one edge part of the expectation direction of a 2nd expectation part and engages with a slit.
Thereby, the above-described effects can be obtained with a simple structure.

  The projecting portion includes an extended portion (for example, an extended portion 721 described later) extending in the expected direction, and a bent portion (for example, a bent portion described later) bent and extended from the extended portion in the finding direction. 722), and the slit is continuous with a first slit having a large width through which the bent portion can be inserted (for example, a first slit 711 described later) and a lower end of the first slit downward. A second slit (for example, a second slit 712, which will be described later) that is formed and has a width that decreases downward, is formed continuously from the lower end of the second slit, and the extension portion can be fitted. A third slit having a small width (for example, a third slit 713 described later) is included, and after the bent portion is inserted into the first slit, the second glass holding metal is slid downward to The extension is the third By fitting the slit, it is preferable that the said projections slit are engaged with each other.

In this invention, the protrusion is configured by an extending portion extending in the expected direction and a bent portion extending from the extending portion by bending in the finding direction. A slit having a large width through which the bent portion can be inserted; a second slit formed continuously from the lower end of the first slit to the lower side; It is formed of a third slit formed continuously from the lower end of the two slits and having a small width in which the extending portion can be fitted.
Thus, after inserting the bent portion into the first slit, the protruding portion can be engaged with the slit by sliding the second glass holding bracket downward and fitting the extended portion with the third slit. . That is, by such a simple attachment operation, the glass holding metal fitting constituted by the first glass holding metal fitting and the second glass holding metal fitting can be attached to the opening device, so that more excellent workability can be obtained.

  The first glass holding metal fitting has a first expectation part (for example, a first expectation part 71a described later) extending in the expectation direction, and at least one of the first expectation part and the second expectation part includes It is preferable that a heating foam material (for example, a heating foam material 405 described later) is attached.

In this invention, a heating foam material is attached to at least one of the first expectation part of the first glass holding metal fitting and the second expectation part of the second glass holding metal fitting.
Thereby, at the time of a fire outbreak, a heat | fever foaming material foams and expands with a heat | fever, and can close the space between a vertical frame and the side edge part of glass. 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 both the first glass holding metal fitting and the second glass holding metal fitting are provided through from the vicinity of the upper end of the vertical frame to the vicinity of the lower end thereof.

In the present invention, both the first glass holding metal fitting and the second glass holding metal fitting are provided through from the vicinity of the upper end to the vicinity of the lower end of the vertical frame.
Thereby, at the time of a fire outbreak, glass can be more reliably held with a glass holding metal fitting, and more excellent fireproof performance can be obtained. Moreover, compared with the case where a glass holding | maintenance metal fitting is divided into two or more and provided in an up-down direction, attachment is easy and more workability is obtained.

  On either the indoor side or the outdoor side (for example, the outdoor side) of the frame body, a glass support portion (for example, an upper frame glass support portion 111b described later, a vertical frame glass support) that supports the peripheral edge of the glass. 113a, 114a) are provided, and on the other side (for example, indoor side) of the frame body, an edge member (for example, an upper frame described later) that holds the peripheral edge of the glass with the glass support portion It is preferable that the pressing member 31 and the vertical frame pressing members 32, 32) are attached.

In this invention, while providing the glass support part which supports the peripheral part of glass in any one of the indoor side of the frame, and the outdoor side, the periphery of glass between the glass support part and the other side of the frame A ledge member for clamping the part is attached. In other words, each of the above-described inventions is applied to a window having a ledge structure.
In such a ledge structure, the distance between the glass and the frame may be narrowed. In such a case, as in the conventional case, a glass holding bracket having a U-shaped cross-sectional view is attached to the frame at the same time as the glass is attached. It becomes difficult to stop. On the other hand, according to the present invention, the first glass holding bracket can be fixed to the frame in advance, and the second glass holding bracket to be retrofitted can be fixed to the frame via the first glass holding bracket without screwing. Even if it is a window with a ledge structure, excellent workability is obtained.

  It is preferable that the said glass support part is provided in the outdoor side of the said frame, and the said edge member is attached to the indoor side of the said frame.

In this invention, while providing a glass support part in the outdoor side of a frame, a pressing edge member is attached to the indoor side of a frame. That is, each of the above inventions is applied to a window having an inner edge structure.
Here, FIG. 8 is an enlarged cross-sectional view of the vicinity of the right vertical frame 81 of the fitting window 8 having a conventional inner pushing edge structure. As shown in FIG. 8, in the fitting window 8 that is attached to the resin right frame 85 that constitutes the right vertical frame 81 and includes an inner pressing edge member 84 that presses the glass 82 from the indoor side through the buffer member 89, A space 80 between the side edge portion 82 and the right vertical frame 81 is open to the indoor side, and the open width is small. More specifically, since the resin right frame 85 projects inward to attach the frame 87 to the indoor side of the right vertical frame 81, the open width of the space 80 is reduced. Therefore, since a screw or a screwdriver cannot be inserted into the space 80, the glass holding metal cannot be screwed to the right vertical frame 81.
On the other hand, according to the present invention, the first glass holding bracket can be fixed to the frame in advance, and the second glass holding bracket to be retrofitted can be fixed to the frame via the first glass holding bracket without screwing. Even if it is a window having an inner edge structure, excellent workability can be obtained.

  Moreover, the glass support part (for example, below-mentioned upper frame glass support part 111b mentioned later) provided in any one side (for example, below-mentioned outdoor side) of the indoor side and the outdoor side of a frame (for example, below-mentioned window frame 10). , Vertical edge glass support portions 113a, 114a) and a pressing edge member (for example, an upper frame pressing edge member 31 described later, in the vertical frame) The pressing device 32, 32) is a construction method of an opening device (for example, an opening device 30 to be described later) attached to the other side (for example, an indoor side to be described later) of the frame body. The frame body (for example, a first glass holding metal 71 described later) attached in advance to left and right vertical frames (for example, left and right vertical frames 300, 400 described later) is attached to a building wall (for example, a wall 5 described later). ) Formed in the opening (for example, described later) A second step from the other side between the first step to be accommodated in the opening 6), a second step to fit the glass into the frame body from the other side, and the side edge of the vertical frame and the glass. A glass holding fitting (for example, a second glass holding fitting 72 described later) is inserted, and a second engagement portion (for example, a protruding portion 720 described later) formed on the second glass holding fitting and the first glass holding fitting. A third step of fixing the second glass holding metal fitting to the vertical frame via the first glass holding metal fitting by engaging first engaging portions (for example, slits 710 described later) formed on each other. And a fourth step of attaching the ledge member to the frame body from the other side.

In this invention, first, the frame body in which the first glass holding metal fittings are previously attached to the left and right vertical frames is placed in the opening of the building. Next, glass is fitted into the frame from the side where the glass support is not formed. Next, the second glass holding metal fitting is inserted between the vertical frame and the side edge of the glass from the side where the glass supporting portion is not formed, and the second engaging portion of the second glass holding metal fitting and the first glass holding are inserted. By engaging the first engaging portions of the metal fittings with each other, the second glass holding metal fittings are fixed to the vertical frame via the first glass holding metal fittings. Finally, the pressing edge member is attached to the frame body from the side where the glass support portion is not formed.
According to this invention, the opening part apparatus which has the outstanding fire prevention performance can be constructed by providing a glass holding | maintenance metal fitting with the above simple construction procedures.

  ADVANTAGE OF THE INVENTION According to this invention, it can provide the opening part apparatus which has the outstanding fire prevention performance by providing a glass holding metal fitting, and has the outstanding workability, and its construction method.

It is a front view when the fitting window which concerns on one Embodiment of this invention is seen from the indoor side. It is a longitudinal cross-sectional view of the insertion window which concerns on the said embodiment. It is a cross-sectional view of a fitting window according to the embodiment. It is an expansion cross-sectional view of the right vertical frame vicinity of the fitting killing window which concerns on the said embodiment. It is a figure which shows the 1st glass holding metal fitting and 2nd glass holding metal fitting which concern on the said embodiment. It is a figure which shows the procedure of engaging the projection part of a 2nd glass holding metal fitting with the slit of the 1st glass holding metal fitting which concerns on the said embodiment. It is a figure which shows the glass holding metal fitting which concerns on the said embodiment. It is an expanded cross-sectional view of the vicinity of the right vertical frame of a fitting window having a conventional inner pushing edge structure.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In addition, in this specification, "finding direction" means the surface direction (namely, left-right direction) of the glass in the insertion window stored in the opening part formed in the wall of a building, and "look-in direction" Means the thickness direction (that is, the depth direction) of the glass.

  FIG. 1 is a front view when the fitting window 1 according to the present embodiment is viewed from the indoor side. As shown in FIG. 1, the fitting window 1 is housed in an opening 6 formed in a wall 5 of a building and having a frame 60 attached to the opening edge. The fitting window 1 includes a window frame 10 as a frame framed in a rectangular shape by an upper frame 100, a lower frame 200, and left and right vertical frames 300, 400, and a rectangular shape fitted and fixed in the window frame 10. And an opening device 30 including glass 20.

  The window frame 10 includes a metal frame 11 framed in a rectangular shape and a resin frame 12 that covers the indoor side of the metal frame 11 and is framed in a rectangular shape. That is, the fitting window 1 according to the present embodiment has excellent heat insulating properties because the indoor side portion of the metal frame 11 is covered with the resin frame 12 having low thermal conductivity.

The metal frame 11 is made of, for example, aluminum. More specifically, the metal frame 11 is obtained by extruding aluminum.
The metal frame 11 includes a metal upper frame 111, a metal lower frame 112, and left and right metal vertical frames 113 and 114, and adjacent frames are fixed by screwing.

The resin frame 12 is made of a synthetic resin such as a vinyl chloride resin. More specifically, the resin frame 12 is obtained by extruding a synthetic resin such as a vinyl chloride resin.
The resin frame 12 includes a resin upper frame 121, a resin lower frame 122, and left and right resin vertical frames 123 and 124. The resin upper frame 121 is attached to the metal upper frame 111, the resin lower frame 122 is attached to the metal lower frame 112, and the left and right resin vertical frames 123 and 124 are attached to the left and right metal vertical frames 113 and 114, respectively.
That is, in the present embodiment, the upper frame 100 is composed of a metal upper frame 111 and a resin upper frame 121, the lower frame 200 is composed of a metal lower frame 112 and a resin lower frame 122, and the left and right vertical frames 300, 400 are respectively The metal vertical frame 113 and the resin vertical frame 123, and the metal vertical frame 114 and the resin vertical frame 124 are configured.

  FIG. 2 is a vertical cross-sectional view of the fitting window 1 according to the present embodiment. As shown in FIG. 2, the glass 20 is a multi-layer glass including an indoor plate glass 21, an outdoor plate glass 22, and a spacer 23 sandwiched between the two plate glasses, and has excellent heat insulation properties. Have

  The metal lower frame 112 has a hollow structure having a lower hollow portion 112b and an upper hollow portion 112a partitioned by a partition wall 112c. A lower frame reinforcing core material 112d made of, for example, SUS is provided in the upper hollow portion 112a. The lower frame reinforcing core member 112d is a long member having a substantially U shape in cross section, and is provided along the inner wall surface of the metal lower frame 112. More specifically, the lower frame reinforcing core member 112d is heated and foamed at the bottom of a glass holding groove 112g described later with a screw 203 that fixes a slip-preventing member 201 described later with the open surface facing downward. It is fixed together with the material 205 in the metal lower frame 112.

  Above the upper hollow portion 112a of the metal lower frame 112, there are a first standing portion 112e that stands upward from an end portion on the outdoor side, and an upper side after extending from the end portion on the indoor side toward the indoor side. A second standing portion 112f that is bent and stands is formed. The first standing portion 112e and the second standing portion 112f form a glass holding groove 112g into which the lower end portion of the glass 20 is inserted and holds the glass 20.

  In the glass holding groove 112g, for example, a SUS sliding prevention material 201 is disposed. The glass 20 is supported on the sliding prevention material 201 via a heating foam material 202. The sliding prevention material 201 is a long member having a substantially U-shaped cross-sectional view, and is screwed to the bottom of the glass holding groove 112g of the metal lower frame 112 with its open surface facing the lower side, that is, the metal lower frame 112 side. It is fixed at 203. The sliding prevention material 201 has an outdoor side surface 204 that is bent 180 degrees outward at predetermined intervals in the longitudinal direction, and the bent side surface 204 is an inner wall surface on the outdoor side of the glass holding groove 112g, that is, a first standing installation. It is in contact with the inner wall surface of the portion 112e.

  A buffer member 206 is attached to the tip of the first standing portion 112e, and the first standing portion 112e supports the peripheral portion 20a of the glass 20 through the buffer member 206.

A lower frame horizontal portion 112h extending substantially horizontally toward the indoor side is formed at the tip of the second standing portion 112f. Further, a lower frame vertical portion 112i extending downward substantially vertically from the lower frame horizontal portion 112h is formed.
On the lower frame horizontal portion 112h, a glass holding member 122a that constitutes the resin lower frame 122 and extends toward the glass 20 along the expected direction is attached. A buffer member 207 is attached to the tip of the glass holding member 122 a, and the glass holding member 122 a supports the peripheral portion 20 a of the glass 20 through the buffer member 207. Thereby, the peripheral part 20a of the glass 20 is clamped between the glass holding member 122a and the 1st standing part 112e.
Further, a resin lower frame main body portion 122b constituting the resin lower frame 122 is attached to the indoor side of the lower frame vertical portion 112i.

  The metal upper frame 111 has a hollow structure having a hollow portion 111a. On the lower surface side of the hollow portion 111a, an upper frame reinforcing metal fitting 101 having a substantially L shape in cross section is attached. The upper frame reinforcing metal fitting 101 is fixed to the lower surface side of the hollow portion 111 a together with the heating foam material 102 by a screw 103.

  An upper frame glass support portion 111 b protruding downward is formed at the outdoor side end portion of the lower surface side of the hollow portion 111 a of the metal upper frame 111. A buffer member 104 is attached to the tip of the upper frame glass support portion 111 b, and the upper frame glass support portion 111 b supports the peripheral portion 20 a of the glass 20 through the buffer member 104.

At the indoor side end on the lower surface side of the hollow portion 111a of the metal upper frame 111, an upper frame horizontal portion 111c extending substantially horizontally toward the indoor side, and extending upward substantially vertically from the upper frame horizontal portion 111c. An upper frame vertical portion 111d is formed.
A resin upper frame main body 121a constituting the resin upper frame 121 is attached to the upper frame horizontal portion 111c and the upper frame vertical portion 111d.

  The upper frame pressing member 31 is attached to the resin upper frame main body 121a. A buffer member 105 is attached to the tip of the inner frame pressing edge member 31, and the upper frame pressing edge member 31 presses the peripheral edge 20 a of the glass 20 through the buffer member 105. Thereby, the peripheral part 20a of the glass 20 is clamped between the upper frame inner pressing edge member 31 and the upper frame glass support part 111b.

  FIG. 3 is a cross-sectional view of the fitting window 1 according to the present embodiment. FIG. 4 is an enlarged cross-sectional view of the vicinity of the right vertical frame 400 of the fitting window 1 according to this embodiment. Since the configuration of the right vertical frame 400 and the configuration of the left vertical frame 300 are the same, only the configuration of the right vertical frame 400 will be described below.

  As shown in FIGS. 3 and 4, on the outdoor side of the metal vertical frame 114, a vertical frame glass support portion 114 a that protrudes from the metal vertical frame 114 to the glass 20 side along the direction of finding is formed. A buffer member 401 is attached to the tip of the vertical frame glass support portion 114 a, and the vertical frame glass support portion 114 a supports the peripheral portion 20 a of the glass 20 through the buffer member 401.

  A resin vertical frame main body 124 a constituting the resin vertical frame 124 is attached to the glass 20 side on the indoor side of the metal vertical frame 114. Since the resin vertical frame main body portion 124a constituting the resin vertical frame 124 described later protrudes toward the glass 20 by the frame 402, the space between the side edge of the glass 20 and the vertical frame 400 is narrowed.

  The vertical frame inner edge member 32 made of a hollow long member is attached to the resin vertical frame main body 124a. A buffer member 403 is attached to the tip of the vertical frame inner pressing edge member 32 on the glass 20 side, and the vertical frame inner pressing edge member 32 presses the peripheral edge portion 20 a of the glass 20 through the buffer member 403. Thereby, the peripheral part 20a of the glass 20 is clamped between the vertical frame inner pressing edge member 32 and the above-mentioned vertical frame glass support part 114a.

  A glass holding metal fitting 70 is disposed in the space 3 between the metal vertical frame 114 and the side edge of the glass 20. The glass holding metal fitting 70 is extended in the vertical direction of the peripheral edge portion 20 a of the glass 20. The glass holding metal fitting 70 is provided so as to cover the peripheral edge portion 20a of the glass 20 with a gap, and holds the glass 20 when the vertical frame 400 melts and deforms in the event of a fire, and the glass 20 is removed. To prevent.

The glass holding metal fitting 70 is configured by a first glass holding metal fitting 71 and a second glass holding metal fitting 72 in which long plate-like members are bent in the width direction. In the present embodiment, both the first glass holding metal 71 and the second glass holding metal 72 are provided from the vicinity of the upper end of the vertical frame 400 to the vicinity of the lower end.
As the material of the glass holding metal 70, a material having a melting temperature higher than that of the aluminum of the metal frame 11 is used. Specifically, stainless steel or steel is used.

  The first glass holding metal 71 is a long member having a substantially L shape in cross section. In the first glass holding metal 71, before fitting the glass 20 into the window frame 10, a first prospecting portion 71 a extending in the expectation direction is fixed to the metal vertical frame 114 with a screw 404 in advance. A slit 710 as a first engaging portion is formed in the first finding portion 71 b extending in the finding direction of the first glass holding metal 71.

In addition, the indoor side edge part of the 1st expectation part 71a is bent to the glass 20 side along a finding direction, and is contact | abutting to the 2nd expectation part 72a of the 2nd glass holding | maintenance metal fitting 72 mentioned later. Thereby, the 2nd glass holding metal fitting 72 is supported by this edge part.
Further, the end portion on the glass 20 side of the first finding portion 71b extends along the finding direction until it is wrapped around the peripheral portion 20a of the glass 20, bends to the outdoor side, and comes into contact with the vertical frame glass support portion 114a. ing.

The second glass holding metal 72 is a long member that is substantially L-shaped in cross section. The second glass holding metal 72 is inserted into the space 3 from the indoor side after the glass 20 is fitted in the window frame 10 and before the vertical frame inner edge member 32 is attached. In addition, a protrusion as a second engagement portion that engages with the slit 710 of the first engagement portion at the end portion on the outdoor side of the second expectation portion 72 a extending in the expectation direction of the second glass holding metal 72. Part 720 is formed.
In addition, the edge part of the indoor side of the 2nd prospect part 72a is bent to the glass 20 side so that the peripheral part 20a of the glass 20 may be covered. That is, the tip of the end is wrapped around the peripheral edge 20 a of the glass 20.

  A heating foam material 405 is attached to the glass 20 side of the second expectation part 72 a of the second glass holding metal 72. The heating foam material 405 will be described in detail later.

  FIG. 5 is a view showing the first glass holding metal 71 and the second glass holding metal 72 according to the present embodiment. More specifically, FIG. 5 is a diagram showing a state in which the second glass holding metal fitting 72 is retrofitted to the first glass holding metal fitting 71 screwed in advance to the metal vertical frame 114 constituting the vertical frame 400. is there. In FIG. 5, the description of the glass 20 is omitted for convenience.

  As shown in FIG. 5, in the present embodiment, three slits 710 as the first engaging portion are formed at a predetermined interval in the vertical direction of the first finding portion 71 b. Further, three protrusions 720 as the second engaging portions are formed at predetermined intervals in the vertical direction of the end portion on the outdoor side of the second expectation portion 72a.

  The protruding portion 720 is a protruding portion that protrudes from the outdoor side end portion of the second prospecting portion 72 a to the outdoor side and engages with the slit 710. The protruding portion 720 includes an extending portion 721 that extends to the outdoor side, and a bent portion 722 that bends and extends from the extending portion 721 toward the glass 20 along the direction of finding.

  The slit 710 is a slit extending in the vertical direction. More specifically, the slit 710 includes a first slit 711 having a large width through which the bent portion 722 of the protrusion 720 can be inserted, and a width that is formed continuously from the lower end of the first slit 711 downward and downward. Is formed by a second slit 712 that decreases, and a third slit 713 that is continuously formed downward from the lower end of the second slit 712 and has a small width that allows the extension 721 of the protrusion 720 to be fitted. .

  As shown in FIG. 5, the length of the first glass holding metal 71 in the extending direction (that is, the vertical direction) is set to be shorter than the length of the metal vertical frame 114 in the extending direction. Thereby, even if a certain amount of change occurs in the length in the extending direction of the vertical frame 400, the first glass holding metal 71 can be used without changing the design. Accordingly, the first glass holding metal 71 is attached to a portion excluding the upper end and the lower end of the metal vertical frame 114.

  Further, the first glass holding metal 71 and the second glass holding metal 72 have substantially the same length in the extending direction. However, as will be described later, when the second glass holding fitting 72 is attached to the first glass holding fitting 71, the second glass holding fitting 72 is connected to the first glass holding fitting 72 in a relationship of sliding downward. Attached from above the glass holding metal 71.

As described above, the heating foam material 405 is attached to the glass 20 side of the second prospective portion 72 a of the second glass holding metal fitting 72. The heating foam material 405 is attached to substantially the entire surface of the second expectation portion 72a on the glass 20 side, and is attached through the second expectation portion 72a from the upper end to the lower end.
Further, among the surfaces of the metal vertical frame 114 constituting the vertical frame 400 on the glass 20 side, the heating foam material 406 is formed on the upper and lower surfaces of the first glass holding metal 71 that are not in contact with the first prospecting portion 71a. It is attached. The heating foam material 406 is attached with a width substantially the same as the width of the first expectation portion 71a.

  FIG. 6 is a diagram illustrating a procedure for engaging the protrusion 720 of the second glass holding metal 72 with the slit 710 of the first glass holding metal 71 according to the present embodiment. As shown in FIG. 7, first, the bent portion 722 of the protruding portion 720 is inserted into the first slit 711. Next, in this state, the second glass holding metal 72 is slid downward. Then, the extension part 721 is fitted into the third slit 713 through the second slit 712. As a result, the protrusion 720 and the slit 710 engage with each other, whereby the second glass holding metal 72 is fixed to the metal vertical frame 114 via the first glass holding metal 71.

  FIG. 7 is a view showing the glass holding metal fitting 70 according to the present embodiment. More specifically, it is a view showing the glass holding metal fitting 70 formed by engaging the projection 720 of the second glass holding metal fitting 72 with the slit 710 of the first glass holding metal fitting 71. In addition, in FIG. 7, description of the glass 20 is abbreviate | omitted for convenience like FIG.

  As shown in FIG. 7, the heating foam 405 attached to the substantially entire surface of the second prospective portion 72 a of the second glass holding metal 72 72 on the glass 20 side, and the upper and lower surfaces of the metal vertical frame 114 on the glass 20 side. By the heating foam material 406 attached to the vertical frame 400, the heating foam material is disposed through the vertical frame 400 from the upper end to the lower end. Thereby, when a fire breaks out, these heating foam materials are expanded and expanded by heat, so that the space between the vertical frame 400 and the side edge of the glass 20 is reliably closed.

Next, the construction method of the opening part apparatus 30 which concerns on this embodiment is demonstrated.
The construction method of the opening device 30 according to the present embodiment includes a first step, a second step, a third step, and a fourth step.
In the first step, the window frame 10 in which the first glass holding fitting 71 is screwed to the left and right vertical frames 300 and 400 in advance as described above is placed in the opening 6 formed in the wall 5 of the building. .
Next, in the second step, the glass 20 is fitted into the window frame 10 from the indoor side.

  In the third step, the second glass holding fitting 72 is inserted from the indoor side into the space 3 between the vertical frame 400 (300) and the side edge of the glass 20. At this time, as shown in FIG. 6, the protrusion 720 of the second glass holding metal 72 and the slit 710 of the first glass holding metal 71 are engaged with each other. More specifically, the bent portion 722 of the protruding portion 720 is inserted into the first slit 711, and in this state, the second glass holding bracket 72 is slid downward to fit the extended portion 721 into the third slit 713. Combine. As a result, the protrusion 720 and the slit 710 engage with each other, whereby the second glass holding metal 72 is fixed to the metal vertical frame 114 via the first glass holding metal 71.

Next, in the fourth step, the upper frame inner pressing edge member 31 and the vertical frame inner pressing edge members 32 and 32 are attached to the window frame 10 from the indoor side.
Thus, the fitting window 1 constituted by the opening device 30 is constructed.

According to this embodiment, the following effects are produced.
In this embodiment, the glass holding | maintenance metal fitting 70 extended in the up-down direction of the peripheral part 20a of glass was provided between the vertical frames 300 and 400 and the side edge part of the glass 20. FIG. Further, the glass holding metal fitting 70 is fixed to the window frame 10 and the first glass holding metal fitting 71 formed with the slit 710 as the first engaging part, and the protrusion as the second engaging part engaging with the slit 710. It comprised with the 2nd glass holding metal fitting 72 in which the part 720 was formed.
Thus, after the glass 20 is fitted into the window frame 10 to which the first glass holding metal 71 is previously attached, the protrusion 720 of the second glass holding metal 72 is inserted into the slit 710 of the first glass holding metal 71. Can be attached to the opening device 30 with the glass holding fitting 70 constituted by the first glass holding fitting 71 and the second glass holding fitting 72. Accordingly, excellent fireproof performance can be obtained, and the second glass holding bracket 72 can be retrofitted, so that excellent workability can be obtained.

  Here, the fire prevention performance of the window is defined in the Building Standard Law and the construction ordinance. Specifically, when the window is heated from the indoor side or the outdoor side for 20 minutes so that the heating temperature becomes a standard heating temperature curve defined by ISO, it is necessary not to spread to the non-heating side. . More specifically, it is necessary that there is no jet of flame that continues for more than 10 seconds to the non-heating side, and that there is no damage such as cracks through which the flame passes. In this respect, the fitting window 1 constituted by the opening device 30 according to the present embodiment satisfies all these conditions and has excellent fire prevention performance.

  Moreover, according to this embodiment, since the 2nd glass holding | maintenance metal fitting 72 can be fixed to the window frame 10 via the 1st glass holding | maintenance metal fitting 71 by engaging the projection part 720 with respect to the slit 710, for example, retrofitting Even if the space for screwing the second glass holding metal 72 to be secured cannot be secured, the glass holding metal 70 can be attached to the window frame 10. Furthermore, since screwing or the like is unnecessary, it is possible to reduce the installation time, and it is not necessary to change the existing shape of the window frame 10, thereby reducing the manufacturing cost.

Moreover, in this embodiment, while forming the slit 710 extended in an up-down direction in the 1st finding part 71b of the 1st glass holding | maintenance metal fitting 71, one side of the prospective direction in the 2nd look-ahead part 72a of the 2nd glass holding | maintenance metal fitting 72 A protrusion 720 extending in the vertical direction is formed at the end.
Thereby, since the slit 710 is formed on the surface in the direction of finding, when the second glass holding bracket 72 is retrofitted from the outdoor side, the protrusion 720 formed on one end in the direction of seeing of the second expecting part 72a. , And can be easily engaged with the slit 710. Therefore, more excellent workability can be obtained.
Further, since the slit 710 and the protrusion 720 extend in the vertical direction, the second glass holding metal 72 can be more reliably fixed to the window frame 10 via the first glass holding metal 71.

  In the present embodiment, the slit 710 is a slit extending in the vertical direction, and the protrusion 720 is a protrusion 720 that protrudes from one end of the second protrusion 72 a in the expected direction and engages with the slit 710. Thereby, the above-described effects can be obtained with a simple structure.

Further, in the present embodiment, the projecting portion 720 includes an extending portion 721 that extends in the expected direction and a bent portion 722 that bends and extends from the extending portion 721 in the finding direction. In addition, the slit 710 has a first slit 711 having a large width through which the bent portion 722 can be inserted, and a second slit formed continuously from the lower end of the first slit 711 downward and having a width that decreases downward. 712 and a third slit 713 that is continuously formed downward from the lower end of the second slit 712 and has a small width in which the extending portion 721 can be fitted.
Thus, after inserting the bent portion 722 into the first slit 711, the second glass holding metal 72 72 is slid downward and the extended portion 721 is fitted into the third slit 713, so that the protruding portion 720 is slit 710. Can be engaged. That is, by such a simple mounting operation, the glass holding metal fitting 70 constituted by the first glass holding metal fitting 71 and the second glass holding metal fitting 72 can be attached to the opening device 30, so that more excellent workability can be obtained. .

Moreover, in this embodiment, the heating foam material 405 was attached to the 2nd expectation part 72a of the 2nd glass holding metal fitting 72. FIG.
Thereby, at the time of a fire outbreak, the heating foam material 405 expands by heat, and the space 3 between the vertical frame 400 and the side edge part of the glass 20 can be closed. Therefore, hot air and smoke can be prevented from entering the indoor space through the space 3, and a more excellent fireproof performance can be obtained.

Moreover, in this embodiment, both the 1st glass holding metal fitting 71 and the 2nd glass holding metal fitting 72 were provided through from the upper end vicinity of the vertical frame 400 to the lower end vicinity.
Thereby, at the time of a fire outbreak, the glass 20 can be hold | maintained more reliably with the glass holding | maintenance metal fitting 70, and the more superior fireproof performance is obtained. Moreover, compared with the case where the glass holding | maintenance metal fitting 70 is divided into two or more and provided in an up-down direction, attachment is easy and the outstanding workability is obtained.

Moreover, in this embodiment, while providing the upper frame glass support part 111b and the vertical frame glass support parts 113a and 114a which support the peripheral part 20a of the glass 20 in the outdoor side of the window frame 10, on the indoor side of the window frame 10, The upper frame inner pressing edge member 31 and the vertical frame inner pressing edge members 32, 32 that sandwich the peripheral edge portion 20a of the glass 20 between the glass supporting portions described above were attached.
In such an inner pushing edge structure, as described above, the distance between the glass and the window frame is narrow (see FIG. 8), and a conventional glass holding bracket having a U-shaped cross-sectional view is attached to the window frame at the same time as the glass is attached. It becomes difficult to screw. In contrast, according to the present embodiment, the first glass holding metal 71 can be fixed to the window frame 10 in advance, and the second glass holding metal 72 to be retrofitted can be secured via the first glass holding metal 71 without screwing. Since it can be fixed to the frame 10, excellent workability can be obtained even with a window having an inner edge structure.

In this embodiment, first, the window frame 10 in which the first glass holding metal 71 is attached in advance to the left and right vertical frames 300 and 400 is placed in the opening 6 of the building. Next, the glass 20 was fitted into the window frame 10 from the indoor side where the above glass support portions were not formed. Next, the second glass holding metal fitting 72 is inserted between the vertical frames 300 and 400 and the side edges of the glass 20 from the indoor side where the glass support parts are not formed. By engaging the projection 720 and the slit 710 of the first glass holding metal 71 with each other, the second glass holding metal 72 was fixed to the vertical frames 300 and 400 via the first glass holding metal 71. Finally, the upper frame inner pressing edge member 31 and the vertical frame inner pressing edge members 32, 32 were attached to the window frame 10 from the indoor side where the glass support portions described above were not formed.
According to this embodiment, the opening part apparatus 30 which has the outstanding fire prevention performance can be constructed by providing the glass holding metal fitting 70 by the simple construction procedure as described above.

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 said embodiment, although the window which concerns on this invention was set as the inner pushing edge structure of fitting and killing, it is not limited to this, An outer pushing edge structure may be sufficient and it is applicable to all the window types.
In the above embodiment, three slits 710 and three protrusions 720 are provided in the vertical direction, but the number is not particularly limited.
Moreover, in the said embodiment, although the heating foam material 405 was attached to the 2nd expectation part 72a of the 2nd glass holding metal fitting 72, it is not limited to this. The heating foam material should just be attached to at least one among the 1st expectation part 71a of the 1st glass holding metal fitting 71, and the 2nd expectation part 72a of the 2nd glass holding metal fitting 72. FIG.

DESCRIPTION OF SYMBOLS 1 ... Fitting window 5 ... Wall 6 ... Opening part 10 ... Window frame (frame body)
DESCRIPTION OF SYMBOLS 20 ... Glass 20a ... Peripheral part 30 of glass 30 ... Opening part device 31 ... Upper frame inner edge member (edge member)
32 ... Vertical edge pressing member (holding edge member)
DESCRIPTION OF SYMBOLS 70 ... Glass holding metal 71 ... 1st glass holding metal 71a ... 1st look-in part 71b ... 1st look-out part 72 ... 2nd glass hold-down metal 71a ... 2nd look-in part 100 ... Upper frame 111b ... Upper frame glass support part ( Glass support part)
113a, 114a ... Vertical frame glass support (glass support)
200 ... Lower frame 300, 400 ... Left and right vertical frames 405, 406 ... Heating foam material 710 ... Slit (first engaging portion)
711 ... 1st slit 712 ... 2nd slit 713 ... 3rd slit 720 ... Projection part (2nd engaging part)
721 ... Extension part 722 ... Bending part

Claims (9)

An opening device comprising: a frame framed by an upper frame, a lower frame and left and right vertical frames; and a glass fitted and fixed in the frame body,
A glass holding metal fitting extending in the vertical direction of the peripheral edge of the glass between the vertical frame and the side edge of the glass;
The glass holding metal fitting is a first glass holding metal fitting fixed to the frame and formed with a first engagement portion, and a second engagement portion engaging with the first engagement portion. An opening device comprising: a glass holding metal fitting. The first glass holding metal fitting has a first finding portion extending in a finding direction,
The second glass holding metal fitting has a second expectation portion extending in the expectation direction,
The first engagement portion is formed to extend in the vertical direction on the first finding portion,
2. The opening device according to claim 1, wherein the second engagement portion is formed to extend in the up-down direction at one end portion in the expectation direction of the second expectation portion. The first engagement portion is a slit extending in the vertical direction,
3. The opening device according to claim 2, wherein the second engaging portion is a protruding portion that protrudes from one end portion in the expected direction of the second expecting portion and engages with the slit. The protrusion is configured to include an extending portion extending in the expected direction, and a bent portion that bends and extends from the extending portion in the finding direction.
The slit includes a first slit having a large width through which the bent portion can be inserted, a second slit that is continuously formed downward from the lower end of the first slit, and decreases in width as it goes downward. It is configured to include a third slit formed continuously from the lower end of the two slits and having a small width to which the extension portion can be fitted,
After the bent portion is inserted into the first slit, the second glass holding metal is slid downward and the extension portion is fitted into the third slit, so that the protrusion and the slit are mutually connected. The opening device according to claim 3, wherein the opening device is engaged. The first glass holding metal fitting has a first expectation part extending in the expectation direction,
The opening device according to any one of claims 2 to 4, wherein a heating foam material is attached to at least one of the first expectation part and the second expectation part.   6. The first glass holding metal fitting and the second glass holding metal fitting are both provided through from the vicinity of the upper end of the vertical frame to the vicinity of the lower end thereof. Opening device. Either one of the indoor side and the outdoor side of the frame body is provided with a glass support portion that supports the peripheral edge of the glass,
The opening device according to any one of claims 1 to 6, wherein a pressing edge member is provided on the other side of the frame body so as to sandwich a peripheral edge portion of the glass with the glass support portion. . The glass support is provided on the outdoor side of the frame,
The opening device according to claim 7, wherein the edge member is attached to an indoor side of the frame body. Construction of an opening device in which a pressing member for sandwiching a peripheral edge portion of glass is attached to the other side of the frame body with a glass support portion provided on either the indoor side or the outdoor side of the frame body A method,
A first step of storing the frame in which the first glass holding metal fitting is previously attached to the left and right vertical frames in an opening formed in the wall of the building;
A second step of fitting the glass into the frame from the other side;
A second glass holding metal fitting is inserted from the other side between the vertical frame and the side edge of the glass, and a second engagement portion formed on the second glass holding metal fitting and the first glass holding metal fitting. A third step of fixing the second glass holding metal fitting to the vertical frame via the first glass holding metal fitting by engaging the first engaging portions formed on each other;
And a fourth step of attaching the ledge member to the frame body from the other side.

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