JP2014077292A - Opening device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening device that improves fireproof performance by bringing about an early-stage fall of a resin component provided in a frame body or a sash.SOLUTION: A sash 2 is housed within a frame body 1 that is provided in a building opening. A resin component 30 is provided in a frame member of the frame body 1 or a stile/rail member 22 of the sash 2. A heated and foamed material 32e is arranged between the frame member or the stile/rail member 22 and the resin component 30. The heated and foamed material 32e is foamed to make the resin component 30 fall to the outside of the frame body 1.

Description

  The present invention relates to an opening device in which a shoji is placed in a frame provided in a building opening, and more particularly to an opening device that prevents a reduction in fire prevention performance due to an opening for a resin component provided in the frame or shoji. .

  In an opening device in which a shoji is placed in a frame provided in a building opening, a resin part may be provided on the frame or the shoji. For example, a small opening stopper that restricts the opening angle of the shoji may be provided on the open window in which the shoji is opened and closed with respect to the frame body. Is provided. The operation portion of the small opening stopper is made of a resin material, and an opening portion is formed on the indoor side surface of the vertical shaft in order to operate a mechanism provided inside the hollow of the vertical shaft. As an opening device in which the resin component is provided on the indoor side surface of the vertical wall as described above, for example, there is a device described in Patent Document 1.

JP 2007-170127 A

  If the opening device is exposed to high temperatures in the event of a fire, the resin parts will melt and eventually fall off. When the resin part falls off, the hollow interior of the frame member or saddle member communicates with the indoor side through the opening formed in the frame member or saddle member, and the combustible gas accumulated in the hollow part flows into the indoor side. May ignite. In order to increase the fire prevention performance of the opening device, it was necessary to prevent this.

  This invention is made | formed in view of the said subject, and it aims at providing the opening part apparatus which improved the fireproof performance by dropping the resin component provided in a frame or a shoji at an early stage.

In order to solve the above problems, an opening device according to the invention of claim 1 is an opening device in which a shoji is placed in a frame provided in a building opening.
A resin component is provided on the frame member of the frame or the saddle member of the shoji, and a heating foam material is disposed between the frame member or the saddle member and the resin component.

  According to the first aspect of the present invention, when a fire occurs, the heated foam material foams in the surface direction, and the opposing resin parts can be pressed and dropped.

  Moreover, the opening part apparatus which concerns on invention of Claim 2 is characterized by the said resin component falling to the outer side of the said frame, when the said heating foaming material foams.

  According to the invention which concerns on Claim 2, a resin component can be dropped in the position away from the opening part apparatus with the heating foam material at the time of a fire outbreak.

  Further, in the opening device according to the invention of claim 3, an opening is formed in the frame member or the collar member, and the opening communicates the frame member or the collar member in the indoor and outdoor directions. The resin component is provided.

  According to the third aspect of the present invention, the resin component can be dropped by the heated foam material, and the opening can be closed to prevent indoor and outdoor communication.

  Furthermore, in the opening device according to the invention of claim 4, the opening is provided with a metal back plate member for fixing the resin component, and the installation surface portion facing the opening on the back plate member And the heating foam is provided on the installation surface portion.

  According to the invention according to claim 4, there is no need to newly provide a part for attaching the heating foam material, and the heating foam material is brought close to the opening portion, thereby reliably increasing the density at the time of foaming. Resin parts can be dropped.

  And the opening part apparatus which concerns on invention of Claim 5 is characterized by the said back-plate member having the obstruction | occlusion surface part which restrict | limits foaming to the direction which cross | intersects the foaming direction of the said heating foam material.

  According to the invention which concerns on Claim 5, the density at the time of foaming becomes high by restrict | limiting the foaming area | region of a heating foam material, and can drop a resin component reliably.

  Moreover, the opening part apparatus which concerns on invention of Claim 6 is characterized by the said obstruction | occlusion surface part extending in the direction which cross | intersects the said installation surface part from the both sides of the area | region where the said heating foam material is arrange | positioned.

  According to the invention which concerns on Claim 6, it can be made to foam more densely by a surface direction so that a heating foam material may not be expanded except the direction which it faces.

  According to the opening device according to the present invention, it is possible to increase the fireproof performance by dropping the resin component at an early stage when a fire occurs.

It is a longitudinal cross-sectional view of the opening part apparatus in this embodiment. It is a cross-sectional view of an opening device. It is an enlarged cross-sectional view of a vertical frame and a vertical gutter provided with a small opening stopper. It is a front view of a switching operation part. It is a side view of a back board member. It is an enlarged horizontal cross-sectional view near the vertical frame and vertical gutter when the heated foam material starts to foam when a fire occurs. It is an enlarged horizontal cross-sectional view of the vertical frame and the vertical gutter when the heated foam material reaches the indoor side wall. FIG. 6 is an enlarged cross-sectional view of the vicinity of the vertical frame and vertical gutter after the switching operation unit is dropped. It is sectional drawing of the lower eyelid used for a sliding opening part apparatus. It is a front view of a switching operation part. It is AA sectional drawing of FIG. It is a perspective view of a back board member. It is sectional drawing of the vertical hook used for a sliding opening part apparatus. It is a perspective view of a back board member. It is the cross-sectional view in the summoning part of the sliding sash which has a finger pinching prevention stopper, and the front view of the summoning basket. It is a cross-sectional view in the summoning part of the sliding sash which has a summon dressing makeup cover.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a longitudinal sectional view of the opening device in the present embodiment, and FIG. 2 shows a transverse sectional view of the opening device. As shown in each of these drawings, the opening device of the present embodiment is capable of opening and closing the shoji 2 in a frame 1 in which an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12 are framed in a rectangular shape. It is something that will fit in. The shoji 2 is configured by housing a panel body 4 made of a glass plate in a casing 3 formed by assembling an upper casing 20 and a lower casing 21 and left and right vertical casings 22 and 22 into a square shape. The opening device is configured as a vertically extending window in which the shoji 2 can be opened toward the outdoor side with one vertical side as an axis.

  On the inner peripheral surface 10a of the upper frame 10, an indoor standing surface 10b that protrudes toward the inner peripheral side and faces the indoor side surface of the upper collar 20 is formed. A material 13 is provided. On the inner peripheral surface of the lower frame 11, an indoor standing surface 11b that protrudes toward the inner peripheral side and faces the indoor side surface of the lower rod 21 is formed. 13 is provided. On the inner peripheral surface of the vertical frame 12, an indoor standing surface 12 b that protrudes toward the inner peripheral side and faces the indoor side surface of the vertical rod 22 is formed. 13 is provided.

  A vertical opening 22 is provided with a small opening stopper. FIG. 3 shows an enlarged cross-sectional view of the vicinity of the vertical frame 12 and the vertical rod 22 provided with the small opening stopper. The small opening stopper restricts opening of the shoji 2 that opens toward the outdoor side to a predetermined opening or more, a switching operation unit 30 that is provided on the vertical shaft 22 and switches a restriction state by the stopper, and a switching operation. A projecting / retracting portion 33 that can be projected and retracted from the outer peripheral surface of the vertical rod 22 to the inner peripheral surface side of the vertical frame 12 by an operation by the unit 30; The shoji 2 has a release operation unit 35 for releasing the state where the shoji 2 is restricted and locked at a predetermined opening degree.

  FIG. 4 shows a front view of the switching operation unit 30. As shown in this figure, the switching operation unit 30 has a rotatable operation knob 30a on the front surface exposed to the indoor side. The switching operation unit 30 is formed of a resin material including the operation knob 30a.

  When the shoji 2 is closed and there is no restriction by the small opening stopper, when the operation knob 30a of the switching operation unit 30 is operated, the protruding portion 33 that is linked to the switching operation unit 30 in the vertical rod 22 is moved to the inner periphery of the vertical frame 12. It protrudes to the surface side and is linked to the swing member 34. When the shoji 2 is opened in this state, the projecting part 33 on the shoji 2 side slides within the swinging member 34 while swinging the swinging member 34 on the frame 1 side, and the shoji 2 reaches a predetermined opening. The swinging member 34 does not swing any more, and the protruding and retracting portion 33 is locked to the swinging member 34 to restrict the shoji 2 from being opened further. By operating the release operation part 35 in this state, the lock of the protruding part 33 with respect to the swinging member 34 is released, and the shoji 2 can be closed.

  As shown in FIG. 3, the vertical rod 22 has a hollow portion 22a along the longitudinal direction, and can accommodate a mechanism of a small opening stopper. The switching operation part 30 is attached to the indoor side wall 22b of the hollow part 22a, and a back plate member 32 for fixing the switching operation part 30 is disposed in the hollow part 22a. Further, an opening 22c is formed in the indoor side wall 22b of the hollow portion 22a in order to link the operation knob 30a with the mechanism in the hollow portion 22a. The opening 22c is covered from the indoor side by a switching operation unit 30 made of resin.

  FIG. 5 shows a side view of the back plate member 32. The back plate member 32 is made of metal and has an outer shape that substantially matches the inner shape of the hollow portion 22a of the vertical rod 22. The back plate member 32 abuts against the indoor side wall 22b constituting the hollow portion 22a, and is fixed to the component operation surface 30a and screwed via the indoor side wall 22b, and the outer peripheral side wall constituting the hollow portion 22a. It has a side surface portion 32b that comes into contact with 22d and is fixed with screws, and an installation surface portion 32d that faces the component fixing surface portion 32a.

  The component fixing surface portion 32a has a large opening at the center. The upper blocking surface portion 32f extends from the lower end portion of the upper component fixing surface portion 32a toward the installation surface portion 32d, and the installation surface portion 32d extends from the upper end portion of the lower component fixing surface portion 32a. A lower blocking surface portion 32g extending to the side is further provided. The side surface portion 32 b is formed with a cutout portion 32 c for linking with the protruding portion 33.

  As shown in FIG. 3, in the back plate member 32 attached to the vertical gutter 22, the installation surface portion 32 d faces the opening 22 c of the vertical gutter 22. Then, two sheet-like heating foam materials 32e are attached to the installation surface portion 32d so as to face the opening 22c. The heated foam material 32e is foamed toward the surface direction to increase the volume when it becomes a high temperature of 200 ° C. or more when a fire occurs.

  FIG. 6 shows an enlarged cross-sectional view in the vicinity of the vertical frame 12 and the vertical rod 22 when the heated foam material 32e starts to foam when a fire occurs. When a fire occurs and the opening device is exposed to a high temperature, the metal vertical gutter 22 and the back plate member 32 that is in surface contact with the vertical gutter 22 both become hot. The volume expands so as to face the inner wall 22b of the hollow portion 22a.

  FIG. 7 shows an enlarged cross-sectional view of the vicinity of the vertical frame 12 and vertical gutter 22 when the heated foam material 32e reaches the indoor side wall 22b. When the heating foam material 32e continues to foam and reaches the indoor side wall 22b, the resin switching operation portion 30 is pressed indoors through the opening 22c. The heating foam material 32e starts foaming at about 200 ° C., and starts foaming at a temperature lower than the melting temperature of the resin. Even if it remains, it can be pressed indoors and dropped outside the frame 1.

  FIG. 8 shows an enlarged cross-sectional view of the vicinity of the vertical frame 12 and the vertical rod 22 after the switching operation unit 30 is dropped. When the switching operation unit 30 is dropped, the opening 22c is vacant, but the heating foam 32e continues to expand and closes the opening 22c as shown in FIG.

  Thus, by providing the heating foam material 32e so as to face the opening covered with the resin component such as the switching operation portion 30, when the heating foam material 32e is foamed in the event of a fire, the resin component The opening can be closed after dropping. If the resin part remains in the downpipe 22 while being softened, the molten resin may flow into the hollow part 22a from the opening, and there is a risk of ignition, but the resin part is framed by the heating foam material 32e. Since the resin component can be separated from the opening device exposed to high temperature by dropping it to the outside of the body 1 at an early stage, the ignition of the resin component can be suppressed and the fire prevention performance of the opening device can be increased. Can do. In addition, the heating foam material 32e blocks the opening so that the interior and the exterior cannot be communicated with each other, and the fire-proof performance can be increased.

  Further, when the heating foam material 32e is foamed, the foaming region of the heating foam material 32e is vertically regulated by the upper closing surface portion 32f and the lower closing surface portion 32g of the back plate member 32. Thereby, the density of the foamed heating foam 32e can be increased, the switching operation unit 30 can be dropped more reliably, and the opening 22c can be closed.

  Since the installation surface portion 32d is provided on the back plate member 32 for fixing the switching operation portion 30, and the heating foam material 32e is provided on the installation surface portion 32d, it is necessary to separately provide components for fixing the heating foam material 32e. In addition, the foaming region of the heating foam material 32e can be narrowed, and the switching operation unit 30 can be dropped and the opening 22c can be reliably closed.

  In this embodiment, the heating foam material 32e is disposed opposite to the switching operation unit 30 to be dropped or the opening 22c to be closed. However, if the foaming region is restricted by the closing surface portion, the other surface in the foaming region is provided. It is not necessary to provide a heating foam material on the switching operation unit 30 and the opening 22c. In the case of the present embodiment, the switching operation portion 30 and the opening are provided by the installation surface portion 32d and the side surface portion 32b of the back plate member 32, the upper closing surface portion 32f, the lower closing surface portion 32g, the indoor side wall 22b, and the inner peripheral side wall of the vertical wall 22. Since the space where the portion 22c exists is closed, a heating foam material may be provided on a surface other than the installation surface portion 32d.

  At this time, the heated foam material is first foamed so as to fill the inside of the foamed region, and when the inside of the foamed region is filled with a certain density or more, the heated foam material presses the switching operation unit 30 through the opening 22c and falls. Then, the opening 22c is closed. That is, finally, the same effect can be obtained as when the heated foam material is opposed to the switching operation unit 30 and the opening 22c.

  Next, a second embodiment of the present invention will be described. 2nd Embodiment demonstrates the switching operation part 40 provided in the lower heel 60 of the external shoji which comprises a sliding opening part apparatus. FIG. 9 shows a cross-sectional view of the lower eyelid 60 used in the sliding opening device. The lower collar 60 has a glass insertion groove 60f having a concave upper end, and a door can be accommodated in the lower end. A hollow portion 60a is formed between the glass insertion groove 60f of the lower collar 60 and the housing portion of the door roller. The hollow part 60a includes an indoor side wall 60b and an outdoor side wall 60d, and the switching operation part 40 is accommodated in the hollow part 60a.

  FIG. 10 shows a partial front view of the lower eyelid 60 at the position of the switching operation unit 40. The switching operation unit 40 includes an operation knob 40a made of a resin material, and a stopper portion 41 that can be moved in and out is provided adjacent to the operation knob 40a. Further, a resin-made outdoor part 42 is provided on the outdoor side surface of the switching operation unit 40. The stopper portion 41 has a contact surface 41a on one protruding side, and the contact portion 41a is opposed to the outer peripheral surface of the inner limb by projecting the stopper portion 41a to the indoor side. When it is opened, it stops at the position of the abutting surface 41a, so that the opening degree of the pouch can be limited.

  FIG. 11 is a cross-sectional view taken along the line AA in FIG. As shown in this drawing, a metal back plate member 43 made of, for example, steel is provided in the switching operation unit 40 in order to fix the switching operation unit 40 to the lower collar 60. FIG. 12 shows a perspective view of the back plate member 43. The back plate member 43 is in contact with the indoor side wall 60b of the lower wall 60 and faces the outdoor side wall 60d, and the chamber is in contact with the outdoor side wall 60d of the lower wall 60 and faces the indoor side wall 60b. The outer installation surface portion 43c and the closed surface portions 43e and 43e at both ends orthogonal to the indoor installation surface portion 43a and the outdoor installation surface portion 43c are integrally formed.

  One end portion of the indoor side installation surface portion 43a is continuous with the one closed surface portion 43e, and a space is formed between the other end portion of the indoor side installation surface portion 43a and the other closed surface portion 43e. A cutout is formed in the outdoor installation surface portion 43c in a region facing the indoor installation surface portion 43a. A heating foam material 43b is provided in a portion of the indoor side installation surface portion 43a that faces the notch of the outdoor side installation surface portion 43c. The outdoor installation surface 43c is provided with a heating foam material 43d so as to face the space between the indoor installation surface 43a and the blocking surface 43e.

  As shown in FIG. 11, an opening 60 c is formed in a region where the operation knob 40 a and the stopper portion 41 are provided in the indoor side wall 60 b of the lower collar 60. An opening 60e is formed in the outdoor side wall 60d of the lower rod 60 in a region where the outdoor part 42 is provided. The heating foam material 43d provided on the outdoor installation surface 43c of the back plate member 43 faces the opening 60c of the indoor side wall 60b. Moreover, the heating foam material 43b provided in the indoor side installation surface part 43a of the back plate member 43 is opposed to the opening 60e of the outdoor side wall 60d.

  As described above, in the second embodiment, resin parts are provided so as to cover the opening 60c formed in the indoor side wall 60b and the opening 60e formed in the outdoor side wall 60d. Heating foam materials 43b and 43d are arranged so as to face the portions 60c and 60e. Thereby, when a fire breaks out, the heating foams 43b and 43d foam and expand in the direction in which they face, press the resin switching operation part 40 and the outdoor part 42, and then drop each opening. 60c and 60e can be blocked. As a result, ignition of the switching operation unit 40 and the outdoor part 42 that are resin parts can be suppressed, and indoor / outdoor communication through the openings 60c and 60e can be prevented.

  Since the back surface member 43 is formed with closing surface portions 43e and 43e at both ends, the foaming regions of the heating foam materials 43b and 43d can be regulated. As in the first embodiment, since the foaming region of the heating foam material is regulated by the closing surface portion 43e, the density of the foamed heating foam materials 43b and 43d can be increased, and the resin component can be dropped and opened reliably. The portions 60c and 60e can be closed.

  Moreover, since the foaming area | region of the space part which has the opening parts 60c and 60e is controlled by the obstruction | occlusion surface part 43e similarly to the case of 1st Embodiment, a heating foam material is provided in the surface which does not oppose the opening parts 60c and 60e. You can also. In this case, after the foamed heating foam material fills the foaming region, the heating foam material further enters the openings 60c and 60e, drops the resin parts, and closes the openings 60c and 60e. it can.

  Next, a third embodiment of the present invention will be described. In the third embodiment, a pulling portion provided on the longitudinal spatula 61 of the internal and external shoji constituting the sliding opening device will be described. FIG. 13 shows a cross-sectional view of a vertical rod 61 used in the sliding opening device. The vertical rod 61 is a glass insertion groove 61f having a concave end. A hollow portion 61a is formed in a portion adjacent to the glass insertion groove 60f. The hollow portion 61a includes an indoor side wall 61b and an outdoor side wall 61d. The indoor side wall 61b is provided with an indoor handle portion 50, and the outdoor side wall 61d is provided with an outdoor handle portion 51.

  The indoor puller 50 and the outdoor puller 51 are both made of resin and have a concave cross section, and are provided to facilitate opening and closing by inserting a hand when opening and closing the shoji. It has been. An opening 61c is formed in the indoor side wall 61b to accommodate the indoor handle part 50, and an opening 61e is formed in the outdoor side wall 61d to accommodate the outdoor handle part 51.

  A back plate member 52 is provided in the hollow portion 61a. FIG. 14 shows a perspective view of the back plate member 52. As shown in this figure, the back plate member 52 made of metal (for example, steel) includes an installation surface portion 52a extending in the vertical direction, and closed surface portions 52b and 52b extending in the direction perpendicular to the installation surface portion 52a at the upper and lower ends. It is configured.

  The installation surface portion 52a is provided with heating foam materials 52c and 52c on both surfaces. As shown in FIG. 13, the heating foam material 52c on the indoor side of the installation surface 52a faces the opening 61c of the indoor side wall 61b, and the heating foam 52c on the outdoor side of the installation surface 52a is the opening of the outdoor wall 61d. Opposite to 61e.

  In the event of a fire, the heated foam materials 52c and 52c on both sides of the installation surface 52a foam and expand in the direction they face, and press and drop the resin indoor puller 50 and the outdoor puller 51. In addition, the openings 61c and 61e can be closed. Accordingly, it is possible to suppress the ignition of the indoor puller portion 50 and the outdoor puller portion 51, which are resin parts, and to prevent indoor and outdoor communication through the openings 61c and 61e.

  Since the back surface member 52 has the closed surface portions 52b and 52b at both ends, the foaming regions of the heating foam materials 52c and 52c can be regulated. Similar to the first embodiment and the second embodiment, the foaming region of the heating foam material is regulated by the blocking surface portion 52b, so the density of the foamed heating foam materials 52c and 52c can be increased, and reliably The resin parts can be dropped and the openings 61c and 61e can be closed.

  Moreover, since the foaming area | region of the space part which has the opening parts 61c and 61e is controlled by the obstruction | occlusion surface part 52b similarly to 1st Embodiment or 2nd Embodiment, a heating foam is not opposed to the opening parts 61c and 61e. It can also be provided on the surface. In this case, after the foamed heating foam material fills the foaming region, the heating foam material may further enter the openings 61c and 61e to drop the resin parts and close the openings 61c and 61e. it can.

  The resin component that is dropped by the heated foam material in the event of a fire may not be provided in the opening. FIG. 15 shows a cross-sectional view (FIG. 15 (a)) and a front view of the summoning bowl (FIG. 15 (b)) at the summing portion of the sliding sash having the finger pinching prevention stopper 72. FIG. The finger pinching prevention stopper 72 is provided in the summoning collar 70 that constitutes the inner shoji. The main body 72a is fixed to the outer peripheral surface of the summoning collar 70, and is configured to protrude outward from the main body 72a. And a stopper portion 72b that comes into contact with the vertical rod 71 from the inner peripheral side. The main body portion 72a is fixed to the summoning bowl 70 with screws 74, and a screw cover portion 72c is provided so as to hide the screws 74.

  The finger pinching prevention stopper 72 is a resin part formed of resin. The screw cover portion 72 c is provided with a heating foam material 72 d and faces the outer peripheral surface of the summoning bowl 70. When a fire occurs, the heated foam material 72d foams toward the outer peripheral surface of the opposing summing bowl 70, whereby the finger pinching prevention stopper 72 falls early from the summing bowl 70. As described above, the heating foam material only needs to be disposed between the brazing material and the resin component, and is not necessarily provided on the brazing material side. Further, the direction in which the resin component is dropped is not limited to the expected direction of the opening device, but may be dropped in the direction of finding as shown in FIG.

  In FIG. 16, the cross-sectional view in the summoning part of the sliding sash which has a summoning cosmetic cover is shown. In this figure, an engaging portion 70a is formed on the interior side surface of the summoning bowl 70 that constitutes the inner shoji, and a resin summoning cosmetic cover 75 is engaged and fixed to the engaging portion 70a. An indoor side surface of the summon candy 70 is covered with a glazed makeup cover 75. Further, a heating foam material 76 is provided on the indoor side surface of the summon bowl 70 so as to face the summit bowl cover 75.

  In the event of a fire, the heating foam 76 foams toward the opposing summon souvenir cover 75, whereby the summon soot makeup cover 75 falls early from the summon soot 70. Thus, the form of FIG. 16 is the one in which the heating foam material 76 is disposed between the brazing material and the resin component, and the heating foam material 76 is provided on the saddle material side. Thereby, the summon candy decorative cover 75 which is a resin part is dropped early when a fire occurs.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea. In this embodiment, an opening and a resin component are provided on the eaves member used in the vertical opening window opening device and the sliding opening device, and the heating foam material is disposed so as to face the opening. The present invention can also be applied to the frame member when resin parts are similarly provided. In addition, the present invention can be applied to other types of opening device.

DESCRIPTION OF SYMBOLS 1 Frame body 2 Shoji 3 Frame body 4 Panel body 5 Arm part 6 Handle part 10 Upper frame 11 Lower frame 12 Vertical frame 13 Airtight material 20 Upper collar 21 Lower collar 22 Vertical collar 22a Hollow part 22b Indoor side wall 22c Opening part 22d Outer peripheral side wall 30 switching operation part 32 back plate member 32d installation surface part 32e heating foam material 32f upper closing surface part 32g lower closing surface part 33 projecting part 34 swinging member 35 release operation part

Claims (6)

In the opening part device that houses the shoji in the frame provided in the building opening,
An opening device, wherein a resin component is provided on a frame member of the frame body or a saddle member of the shoji, and a heating foam material is disposed between the frame member or the flange member and the resin component.   2. The opening device according to claim 1, wherein the resin component is dropped to the outside of the frame body by the foaming of the heating foam material.   2. The frame member or the collar member is formed with an opening, the opening communicates the frame member or the collar member in the indoor and outdoor directions, and the resin part is provided in the opening. Or the opening part apparatus of 2.   The opening is provided with a metal back plate member for fixing the resin component. The back plate member is provided with an installation surface portion facing the opening, and the heating foam material is provided on the installation surface portion. 4. The opening device according to claim 3, wherein the opening device is formed.   The opening device according to claim 4, wherein the back plate member has a closed surface portion that restricts foaming in a direction intersecting with a foaming direction of the heating foam material.   The opening device according to claim 5, wherein the closing surface portion extends in a direction intersecting with the installation surface portion from both sides of a region where the heating foam material is disposed.

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