JP2016056559A - Setting block and support structure for glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance fireproofing performance.SOLUTION: A setting block 50 is interposed between a lower frame member 22 installed along a lower edge of a rectangular laminated glass 30 and a bottom edge surface of the laminated glass 30, for supporting the laminated glass 30 with the lower frame member 22 with a prescribed gap secured between a depth-direction surface 22d of the lower frame member 22 and the bottom edge surface of the laminated glass 30, and includes a block body 51 formed of a metallic material, and a cushioning member 52 made of a nonflammable thermally expansive material that is elastic under a normal temperature and expands when heated, the cushioning member 52 being bonded on a top surface of the block body 51.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a setting block and a glass support structure.

  When the glass is supported by a frame such as a bag or a frame, a setting block is interposed between the glass mounting surface of the lower frame arranged along the lower edge of the glass and the lower end surface of the glass. The setting block supports the weight of the glass in a state where a gap is secured between the glass mounting surface and the lower end surface of the glass. As a setting block that directly contacts the lower end surface of the glass, it is generally formed of a resin material in order to prevent damage to the edge or lower end surface of the glass when the glass is mounted (for example, patent document). 1).

JP 2005-307442 A

  By the way, in the glass support structure described above, when the lower frame or the glass becomes a high temperature state due to a fire or the like, the setting block may be softened, melted, or burned out. When such a situation occurs, the glass supported by the setting block will fall to the glass mounting surface of the lower frame, causing damage to the glass or supporting the upper edge of the glass. There is a risk of the glass falling off the frame. Such a situation is not necessarily preferable when considering fire prevention performance, and an improvement measure is desired.

  An object of this invention is to provide the setting block which can improve fire prevention performance, and the support structure of glass in view of the said situation.

  In order to achieve the above object, a setting block according to the present invention is interposed between a lower frame disposed along a lower edge of a glass having a rectangular shape and a lower end surface of the glass, and the glass mounting of the lower frame is performed. A setting block for supporting the glass on the lower frame in a state where a predetermined gap is ensured between the surface and the lower end surface of the glass, and at least a surface contacting the lower end surface of the glass has a buffer function And made of non-combustible material.

  According to the present invention, since the setting block is formed of the non-combustible material, the situation where the glass falls does not occur even in a high temperature state. Moreover, since the surface with which the lower end surface of the glass comes into contact is configured to have a buffering function, there is no possibility of causing damage to the edge or lower end surface of the glass when the glass is mounted.

  The present invention also includes a block body formed of a metal material in the setting block described above, and a heat expansion material that has elasticity at room temperature and expands when heated, and has an incombustibility. The heating expansion material is attached to the structure.

  According to the present invention, the block main body formed of a metal material such as aluminum and the heat expansion material having nonflammability such as expanded graphite, the function of preventing the glass from dropping when it reaches a high temperature state, and when the glass is mounted It is possible to easily realize a setting block having a damage prevention function.

  The glass support structure according to the present invention is a support structure for supporting a multi-layer glass formed by joining two glass plates having different fire strengths, and includes a lower end surface of the multi-layer glass and the lower frame. The setting block is interposed between the glass mounting surface and the glass mounting surface.

  According to the present invention, since the setting block is formed of the non-combustible material, the situation where the double glazing falls even when the temperature becomes high is not caused. Moreover, since the surface where the lower end surface of the multilayer glass abuts in the setting block is configured to have a buffer function, the situation where the edge or lower end surface of the multilayer glass is damaged when the multilayer glass is mounted. There is no fear of being invited.

  In the glass support structure described above, the present invention includes an upper frame disposed along an upper edge of the multilayer glass and a side frame disposed along both side edges of the multilayer glass. A heating expansion material having nonflammability that expands by heating is disposed on the glass facing surface facing the end surface of the multilayer glass, and when heated from the side of the glass plate having high fire resistance, the upper frame and The heating expansion material arranged in the lower frame is configured to expand first before the heating expansion material arranged in the side frame.

  According to this invention, since the heating expansion material arranged in the lower frame is expanded first than the heating expansion material arranged in the upper frame and the side frame, the situation where the multilayer glass falls is prevented. However, the thermal elongation toward the upper side and the side of the glass plate having a low fire resistance is not hindered. Therefore, the glass plate having a low fire strength is not damaged or thermally cracked, and there is no possibility that a flame through-hole is formed when a fire occurs.

  According to the present invention, in the glass support structure described above, the heat expansion material provided on the lower frame is disposed opposite to the end face of the glass plate having high fire resistance, and is provided on the upper frame and the side frame. The heating expansion material has a width smaller than each glass facing surface, and is disposed so as to be biased toward the end surface side of the glass plate having a lower fire resistance than the heating expansion material provided in the lower frame. And

  According to this invention, even when a heat expansion material set to the same expansion temperature is applied, the heat expansion material provided in the lower frame can be expanded first.

  Further, the present invention is characterized in that, in the glass support structure described above, the heat expansion material provided in the lower frame has a lower expansion temperature than the heat expansion material provided in the upper frame and the side frame. To do.

  According to this invention, it is possible to expand the heating expansion material provided in the lower frame first without considering the position where the heating expansion material is provided.

  According to the present invention, since the setting block is formed of a non-combustible material, a situation in which the glass falls even when it reaches a high temperature is not caused. Therefore, there is no possibility that a flame through-hole is formed, and it is possible to improve the fire prevention performance. In addition, since the surface with which the lower end surface of the glass abuts in the setting block is configured to have a buffering function, there is no possibility that the edge or lower end surface of the glass will be damaged when the glass is mounted.

FIG. 1: is the front view which looked at the state which the door closed in the fitting which applied the support structure of the glass which is embodiment of this invention from the outdoor side. FIG. 2 is a longitudinal sectional view of the joinery shown in FIG. 3 is a cross-sectional view of the joinery shown in FIG. FIG. 4 is a perspective view of the door shown in FIG. 1 as viewed from the outside with the door opened. FIG. 5 is an enlarged perspective view showing a main part of the door body applied to the fitting shown in FIG. FIG. 6 is an enlarged vertical sectional view of a main part of a joinery to which a glass support structure according to a modification of the present invention is applied.

  Hereinafter, preferred embodiments of a setting block and a glass support structure according to the present invention will be described in detail with reference to the accompanying drawings.

  1 to 4 show a joinery to which a glass support structure according to an embodiment of the present invention is applied. The joinery illustrated here is a hinged door provided at the entrance of a terrace, and includes an opening frame 10 and a door body 20. The opening frame 10 is configured by a four-round frame of an upper frame 11, a lower frame 12, and left and right vertical frames 13,. Each of the frames 11, 12, 13, and 14 constituting the opening frame 10 is an extruded shape formed by a metal such as aluminum or an aluminum alloy so that each has a substantially uniform cross-sectional shape over the entire length. It is configured. The door body 20 is composed of an upper casing (upper frame) 21, a lower casing (lower frame) 22, and left and right vertical casings (side frames) 23, 24. And a double-layer glass 30 supported on the substrate. Each of the flanges 21, 22, 23, 24 constituting the casing 25 is an extruded shape formed by a metal such as aluminum or an aluminum alloy so that each has a substantially uniform cross-sectional shape over the entire length. It is configured.

  The door body 20 is rotated about a hinge axis along the vertical direction by interposing a hinge 26 between the vertical rod 23 on the hanging side and the vertical frame 13 of the opening frame 10, and the opening frame 10 is It is possible to move between a closed state (FIG. 1) and a state where it is pushed open to the outdoor side (FIG. 4). In the door body 20, a latch 27 and an operation handle 28 are provided on the vertical rod 24 on the door tip side. When the door body 20 is closed with respect to the opening frame 10, the latch 27 engages with a latch receiver 15 provided on the vertical frame 14 of the opening frame 10 to maintain the door body 20 in a closed state. The operation handle 28 is for releasing the latch 27 engaged with the latch receiver 15, and is provided on both the indoor side and the outdoor side of the vertical shaft 24.

  Hereinafter, the detailed structures of the eaves 21, 22, 23, and 24 and the multilayer glass 30 constituting the door body 20 will be described, and the characteristic portions of the present invention will be described in detail.

  As shown in FIG. 2 and FIG. 3, each of the flanges 21, 22, 23, and 24 constituting the casing 25 includes a rectangular base 21 a, 22 a, 23 a, 24 a and a flange base 21 a, 22 a, In 23a and 24a, it has a pair of accommodation fin part 21b, 22b, 23b, 24b which protruded inward from the both-sides edge part of the prospective surface located in an inner peripheral side, respectively. The pair of housing fin portions 21b, 22b, 23b, and 24b are disposed so as to be substantially parallel to each other, and constitute glass housing grooves 21c, 22c, 23c, and 24c therebetween.

  The multi-layer glass 30 includes two glass plates 31 and 32 having a rectangular shape of the same size, and is adhered to each other with a spacer member 33 interposed between the respective peripheral portions, thereby allowing each other to adhere to each other. A heat insulating space is secured between them. In the present embodiment, a float glass plate 31 called Low Emissivity glass provided with a metal film on one surface, and a net made of metal is enclosed inside, and the net has a greater fire resistance than the float glass plate 31. The multi-layer glass 30 provided with the glass plate 32 is applied, and when the opening frame 10 is closed, the netted glass plate 32 is supported by the housing 25 so as to be positioned on the outdoor side.

  As shown in FIGS. 2 and 5, the prospective surface (glass mounting surface) 22 d located on the inner peripheral side of the lower eyelid 22 is provided with a heating expansion material 40 and a plurality of locations along the longitudinal direction. A setting block 50 is provided. The heat-expandable material 40, like expanded graphite, has elasticity at room temperature and forms a non-flammable sheet that expands when heated and expands along the longitudinal direction of the lower collar 22. Affixed to almost the entire length. As is clear from FIG. 2, the width of the heat expansion material 40 is formed to a size that can be opposed across the lower end surface of the float glass plate 31, the outer peripheral surface of the spacer member 33, and the lower end surface of the meshed glass plate 32. It is. In the present embodiment, in particular, the heat-expandable material 40 that expands at a low temperature prepared so as to start foaming when heated to 150 ° C. is applied.

  The setting block 50 includes a block main body 51 that is formed of aluminum and has a rectangular parallelepiped shape, and a buffer member 52 that is attached to the entire surface of one side of the block main body 51. It is placed and placed on the surface. In the present embodiment, a heat expansion material that expands at a low temperature similar to that disposed on the lower collar 22 is applied as the buffer member 52. That is, the buffer member 52 of the setting block 50 has a sheet shape having elasticity at room temperature and nonflammability. The buffer member 52 is not necessarily expanded by foaming. This setting block 50 is configured to have a width substantially the same as that of the heat expansion material 40 disposed on the lower rod 22, and has a lower end surface of the float glass plate 31, an outer peripheral surface of the spacer member 33, and a glass with mesh. The plate 32 is fixed to the surface of the heat expansion material 40 so as to face the lower end surface of the plate 32. As shown in FIG. 1, the position where the setting block 50 is provided in the present embodiment is two positions that are each ¼ from both sides with respect to the total length along the longitudinal direction of the lower collar 22.

  If the double-glazed glass 30 is inserted into the glass housing groove 22c with the gasket 34 made of butyl rubber or the like attached to the lower shell 22, the lower end surface of the float glass plate 31 and the spacer member 33 are inserted through the gasket 34. The outer peripheral surface and the lower end surface of the meshed glass plate 32 are mounted on the upper surface of the setting block 50, and a plurality of layers are provided with a gap corresponding to the plate thickness of the setting block 50 between the prospective surface 22 d of the lower rod 22. The glass 30 is supported by the lower collar 22. In that case, in the setting block 50 of this Embodiment, since the shock absorbing member 52 with elasticity was arrange | positioned in the surface facing the lower end surface of the multilayer glass 30, when mounting the multilayer glass 30, it is. It is possible to prevent the impact from being concentrated on the edges and lower end surfaces of the float glass plate 31 and the meshed glass plate 32, and there is no possibility of damaging the float glass plate 31 and the meshed glass plate 32. The movement of the double glazing 30 relative to the lower eyelid 22 along the prospective direction is in a state where the pair of housing fin portions 22b are in contact with each other via the gasket 34.

  On the other hand, the upper casing 21 and the left and right vertical casings 23 and 24 of the door body 20 are provided with heat expansion members 41 on the inner peripheral prospective surfaces (glass facing surfaces) 21d, 23d, and 24d that face the end surface of the multilayer glass 30. Is arranged. The heating expansion material 41 is in the form of a non-combustible sheet that expands by being foamed when heated, similar to the heating expansion material 40 disposed on the prospective surface 22d of the lower basket 22. It is provided so as to be a series with the heating expansion material 40. In the present embodiment, in particular, a general heating expansion material 41 prepared to start foaming when heated to 200 ° C. is applied. The width of the heat expansion material 41 is narrower than that of the heat expansion material 40 of the lower collar 22. Specifically, the heating expansion material 41 is configured to have a width narrower than 1/2 with respect to the prospective surfaces 21d, 23d, and 24d of the upper collar 21 and the vertical collars 23 and 24, and the prospective surfaces 21d and 23d. , 24d is disposed at a position deviated toward the end face side of the float glass plate 31 from the center line.

  For the upper collar 21 and the vertical collars 23, 24, a pair of accommodation fin portions is formed by inserting the multi-layer glass 30 into the glass accommodation grooves 21c, 23c, 24c with a gasket 34 such as butyl rubber attached. The relative movement along the prospective direction of the multilayer glass 30 is prevented by 21b, 23b, and 24b, and the multilayer glass 30 falls off to the casing 25 of the door body 20 by cooperation with the lower casing 22 described above. It will be supported without.

  Here, when the door body 20 is heated from the meshed glass plate 32 side due to a fire occurring on the outdoor side, the adhesion state with the spacer member 33 is released, and the two sheets of the multilayer glass 30 are released. When the glass plates 31 and 32 are separated from each other, surface misalignment is caused, or the multilayer glass 30 is dropped from the housing 25, so that a flame through-hole may be formed.

  However, according to the door body 20 described above, the heating expansion material 40 of the lower rod 22 is prepared to foam at a lower temperature, and the heating expansion material 40 of the lower rod 22 is heated to the heating expansion material 41 of the upper rod 21. And the vertical rods 23 and 24 are disposed at positions closer to the outdoor side than the heating expansion material 41. For this reason, the heat expansion material 40 of the lower rod 22 starts foaming and expands at an early stage, and is filled and solidified in the gap between the prospective surface 22d of the lower rod 22 and the multilayer glass 30, and the multilayer glass 30 is moved upward. It works to push it up. In addition, since the setting block 50 is constituted by the block main body 51 made of aluminum which is a non-combustible material and the buffer member 52 made of a heating expansion material which is a non-combustible material, it softens and melts even when heated, There is no risk of burning, and the double-glazed glass 30 will not fall on the prospective surface 22d of the lower glass 22. Thereby, according to the door body 20 of this Embodiment, the two glass plates 31 and 32 isolate | separate by the influence of a heat | fever, and it does not cause the situation which falls out from the upper collar 21, The state in which the multilayer glass 30 is supported by the housing 25 of the door body 20 is maintained.

  Also, during this time, even if the float glass plate 31 with low fire resistance is expanded in the surface direction due to the influence of heat, before the heating expansion material 41 of the upper rod 21 and the heating expansion material 41 of the vertical rods 23 and 24 expand, A gap is secured between the end surface of the float glass plate 31 and the upper and lower ridges 21 and 23 and 24. For this reason, expansion | swelling to the surface direction of the float glass plate 31 will be accept | permitted by these clearance gaps, and it will invite the situation where the float glass plate 31 hits the housing | casing 25, and is curved or damaged. Absent. Furthermore, after that, the heating expansion material 41 of the upper rod 21 and the heating expansion material 41 of the vertical rods 23 and 24 expand and are solidified in a state of being filled in the gap between the multilayer glass 30.

  As a result, according to the door body 20 of the present embodiment, when heated from the outdoor side, a flame through hole is provided between the lower rod 22, the upper rod 21, the vertical rods 23, 24 and the multilayer glass 30. It is possible to improve the fire performance.

  On the other hand, when the door body 20 is heated from the float glass plate 31 side due to a fire occurring on the indoor side, the float glass plate 31 with low fire resistance is broken, but the upper rod 21 and the vertical rods 23 and 24 are broken. In addition, the heating expansion materials 40 and 41 disposed on the indoor side in all of the lower rods 22 start to foam early and expand, and are filled in the gap with the multilayer glass 30 and solidified. Thereby, even when heated from the indoor side, there is no possibility that a through-hole of a flame is formed between the lower glass 22, the upper steel 21, the vertical walls 23, 24 and the multi-layer glass 30, and the fire prevention performance is improved. It becomes possible to improve.

  In the above-described embodiment, the case where the door 20 is applied to the hinged door supported by the hinge 26 with respect to the opening frame 10 is illustrated. However, the shoji is slid like a sliding window or a sliding window. It is also possible to apply to joinery and fitting window that can be opened and closed. Incidentally, in the case of a fitting window, a frame provided on the four circumferences of the glass is a frame.

  Moreover, in embodiment mentioned above, although what has supported the multilayer glass 30 by metal frames 21, 22, 23, and 24 is illustrated, for example, the metal and resin with which the indoor side part was shape | molded by resin, You may apply to the flame | frame which consists of these composite materials.

  Further, in the above-described embodiment, the heating expansion material 40 disposed in the lower frame 22 and the heating expansion material 41 disposed in the upper frame 21 and the side frames 23 and 24 are different in foaming temperature. Further, the heat expansion material 41 of the upper frame 21 and the side frames 23 and 24 is disposed so as to be biased toward the end face side of the glass plate 31 having a lower fire resistance than the heat expansion material 40 of the lower frame 22. When heated from the side of the higher glass plate 32, the heated expansion material 40 disposed in the lower frame 22 expands earlier than the heated expansion material 41 disposed in the upper frame 21 and the side frames 23, 24. However, the present invention is not limited to these. For example, it is possible to arrange the heat-expandable materials that differ only in the foaming temperature between the lower frame, the upper frame, and the side frame so as to be at the same position, and the foaming temperature is different between the lower frame, the upper frame, and the side frame. You may arrange | position the same heating expansion material so that it may become a different position.

  In the embodiment described above, the width of the heating expansion material 40 disposed on the prospective surface 22d of the lower frame 22 and the width of the heating expansion material 41 disposed on the upper frame 21 and the side frames 23 and 24 are as follows. Since they are different, it is necessary to prepare two different types of heat-expandable materials 40 and 41 for assembly work, and this is not necessarily preferable when workability is taken into consideration.

  FIG. 6 shows a modified example in consideration of workability at the time of assembly. That is, in this modified example, the same thermal expansion material 41 as the thermal expansion material 41 disposed on the upper frame and the side frame is disposed at a position located on the indoor side in the prospective surface 22d of the lower frame 22, and further the lower frame The same heating expansion material 41 is disposed on the entire length of the portion located on the outdoor side of the 22 prospective surfaces 22d. After that, a setting block 50 is disposed on the prospective surface 22d of the lower frame 22 so as to straddle the two heating expansion materials 41. Although the configurations of the upper frame and the side frames are not shown, they have the same configuration as that of the embodiment.

  According to the modified example configured as described above, it is possible to prepare one kind of the heat expansion material 41 and perform the assembly work, which is extremely advantageous in terms of workability.

  10 Opening frame, 21 Upper rod, 21d Expected surface, 22 Lower rod, 22d Expected surface, 23, 24 Vertical rod, 23d, 24d Expected surface, 30 Multi-layer glass, 31, 32 Glass plate, 33 Spacer member, 40 Heat expansion Material, 41 heating expansion material, 50 setting block, 51 block body, 52 cushioning member

Claims (6)

It is interposed between a lower frame disposed along the lower edge of the glass having a rectangular shape and the lower end surface of the glass, and a predetermined gap is provided between the glass mounting surface of the lower frame and the lower end surface of the glass. A setting block for supporting the glass on the lower frame in a secured state,
A setting block comprising a non-combustible material having a buffering function on at least a surface contacting the lower end surface of the glass. A block body formed of a metal material;
A heat-expandable material having elasticity at room temperature and having a nonflammability that expands when heated, and the heat-expandable material is attached to the upper surface of the block body. The setting block described.   A support structure for supporting a multi-layer glass formed by joining two glass plates having different fire resistance strengths, wherein the multi-layer glass is disposed between a lower end surface of the multi-layer glass and a glass mounting surface of the lower frame. A glass support structure comprising the setting block according to claim 2. In the upper frame disposed along the upper edge of the multilayer glass and the side frame disposed along both side edges of the multilayer glass, respectively, on the glass facing surface facing the end surface of the multilayer glass, A non-flammable heating expansion material is provided that expands when heated,
When heated from the side of the glass plate having a high fire resistance, the heating expansion material disposed in the lower frame is expanded first than the heating expansion material disposed in the upper frame and the side frame. The glass support structure according to claim 3. The heating expansion material provided in the lower frame is disposed opposite to the end face of the glass plate having high fire resistance,
The heat expansion material provided in the upper frame and the side frame has a smaller width than each glass facing surface, and the end surface side of the glass plate has a lower fire resistance than the heat expansion material provided in the lower frame. The glass support structure according to claim 4, wherein the glass support structure is biased toward the surface.   The glass support structure according to claim 4, wherein the heat expansion material provided in the lower frame has an expansion temperature set lower than that of the heat expansion material provided in the upper frame and the side frame.

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