JP2018193833A - Fitting tool - Google Patents

Abstract

To improve fire protection without deteriorating appearance quality.SOLUTION: There is provided a fitting tool in which a door body 20 is disposed to be openable and closable with respect to a frame body 10. A main tight material 70 that is in contact with a front surface 20b of the door body 20 and a sub tight material 80 that is in contact with a speculative surface 20a of the door body 20 are provided on a frame member 13 that constitutes the frame body 10. The sub tight material 80 has a base portion 81 attached to the frame body 10 and a contact fin portion 82 that is in contact with the door body 20, and the base portion 81 is provided with a thermally expandable member 83.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a fitting considering fire resistance.

  In recent fittings, various measures are taken in order to prevent a flame through-hole that leads to indoors and outdoors even in the event of a fire. For example, between the frame body and the door body, a non-combustible material is applied as a tight material that contacts the surface of the door body, and in the frame material constituting the frame body, a thermal expansion property is applied to a portion facing the tight material. An arrangement in which members are arranged is provided. According to such joinery, when the temperature rises at the time of the occurrence of a fire and the thermally expandable member expands, the gap between the tight material is closed, so that it is possible to prevent the occurrence of a flame through-hole ( For example, see Patent Document 1).

JP 2013-127169 A

  By the way, in the joinery mentioned above, when a door body is opened, a thermally expansible member becomes visible from the outside. Most of the heat-expandable members that are frequently used are black ones containing graphite, which are not necessarily preferable in view of the appearance quality of the joinery. Moreover, the thermally expansible member affixed with the adhesive may be peeled off over time.

  In view of the above circumstances, an object of the present invention is to provide a fitting capable of improving fire resistance without deteriorating appearance quality.

  In order to achieve the above object, a joinery according to the present invention is a joinery in which a door body is disposed so as to be openable and closable with respect to a frame body, and the frame material constituting the frame body is provided on the surface of the door body. A first tight material that abuts and a second tight material that abuts the prospective surface of the door body are provided, and the second tight material is provided with a thermally expandable member. .

  According to this invention, since the heat-expandable member is provided in the second tight material, there is no possibility that the appearance quality is impaired during normal use. On the other hand, when a fire occurs, the thermally expandable member expands to close the gap between the door body and the frame body.

  According to the present invention, in the joinery described above, the second tight material includes a base portion attached to the frame body and a contact fin portion that comes into contact with the door body, and the base portion includes the heat component. An inflatable member is provided.

  According to the present invention, the contact fin portion that comes into contact with the door body can be formed of a soft resin, which is advantageous in terms of opening / closing performance of the door body and airtightness between the frame body and the door body.

  In the joinery described above, the present invention is characterized in that the thermally expandable member is provided in a portion of the base portion that faces the prospective surface of the door body.

  According to this invention, since the thermally expansible member is provided in the site | part facing the prospective surface of a door body, it becomes possible to block | close the clearance gap between a door body and a frame body more reliably.

  Further, in the joinery described above, the prospective surface of the frame material constituting the frame body is provided with a mounting opening for attaching an accessory component, and the thermally expandable member is provided in the base portion. It is provided in the edge part close | similar to the said opening for mounting | wearing, It is characterized by the above-mentioned.

  According to this invention, the mounting opening of the frame is closed by the thermally expandable member that expands, and a situation in which the mounting opening becomes a through-hole for the flame can be prevented.

  Further, according to the present invention, in the joinery described above, the frame material constituting the frame body includes a metal frame element provided with the second tight material and a metal frame element provided with the first tight material. And a heat-insulating connecting material that connects these two frame elements to each other, and the thermally expandable member is provided at an edge portion of the base portion adjacent to the connecting material. It is characterized by.

  According to the present invention, the metal frame can be covered in the event of a fire because the connecting material can be covered with the thermally expandable member even when a frame material that constitutes the frame is used in consideration of heat insulation. The elements are not divided, and there is no risk of a situation where the door body falls off.

  According to the present invention, since the thermally expandable member is provided in the second tight material, there is no possibility that the appearance quality is impaired during normal use. On the other hand, when a fire breaks out, the thermally expandable member expands to close the gap between the door body and the frame body. Accordingly, it is possible to improve the fire resistance without deteriorating the appearance quality.

It is the figure which looked at the fitting which is embodiment of this invention from the outdoor side. It is a longitudinal cross-sectional view of the fitting shown in FIG. It is a cross-sectional view of the joinery shown in FIG. It is an expanded cross-sectional view which shows the door-end side of the fitting shown in FIG. It is a perspective view which shows the 2nd tight material applied to the fitting shown in FIG. FIG. 2 is an enlarged cross-sectional view schematically showing a state in which a thermally expandable member provided in a second tight material has expanded on the door end side of the joinery shown in FIG. 1. FIG. 3 is an enlarged cross-sectional view schematically showing a state in which a thermally expandable member provided in a second tight material has expanded on the suspension side of the joinery shown in FIG. 1.

  Hereinafter, preferred embodiments of a fitting according to the present invention will be described in detail with reference to the accompanying drawings. 1 to 4 show a joinery that is an embodiment of the present invention. The joinery illustrated here is used for the entrance of a house, and includes a frame body 10 and a door body 20 supported by the frame body 10 via a hinge 1 so as to be opened and closed toward the outdoor side. ing.

  The frame 10 is configured by a four-round framework of an upper frame 11, a lower frame 12, and left and right vertical frames 13, 14. Each frame member 11, 12, 13, 14 constituting the frame body 10 has two frame elements 11 a, 11 b, 12 a, 12 b, 13 a, 13 b, 14 a, 14 b formed with a metal such as an aluminum alloy in the prospective direction. These are arranged side by side and connected to each other by connecting members 11c, 12c, 13c, and 14c. The connecting members 11c, 12c, 13c, and 14c are formed of a resin having heat insulation properties.

  Here, the prospective direction is a direction along the depth of the joinery as indicated by an arrow A in the drawing. A plane along the prospective direction may be referred to as a prospective surface. In addition, in the case of a member along the left and right, such as the upper frame 11 and the lower frame 12, the finding direction is a direction along the top and bottom perpendicular to the prospective direction, and a member along the top and bottom like the vertical frames 13 and 14. In this case, it is the direction along the right and left orthogonal to the prospective direction. A plane along the finding direction may be referred to as a finding surface.

  The door body 20 comprises a door main body 23 by disposing a surface material 22 on each side of the aggregated surface 21 of a four-frame framework. The aggregate 21 includes a resin bone portion 24 formed of a hard resin such as hard PVC (poly vinyl chloride) and a metal bone portion 25 formed of a metal such as steel. As is apparent from the figure, the resin bone portion 24 has a dimension that is substantially equal to the dimension along the prospective direction of the door body 23, and constitutes a finding surface on both sides and a prospective surface on the outer peripheral side in the aggregate 21. doing. On the other hand, the metal bone part 25 has a dimension slightly exceeding 1/2 of the dimension along the prospective direction of the door body 23, and is disposed on the inner peripheral side of the resin bone part 24. The dimensions along the length of the resin bone portion 24 and the metal bone portion 25 are substantially the same.

  The aggregate 21 having the above-described configuration forms an outer shell of the door body 23 by forming a four-round frame with the resin bone portion 24 in a state where the metal bone portion 25 is on the outdoor side. Although not clearly shown in the figure, in order to configure the aggregate 21 in a frame shape, the metal bone portions 25 may be appropriately connected to each other. In order to connect the metal bone portions 25 to each other, for example, a rivet can be applied. The resin bone portions 24 do not necessarily have to be connected to each other, but may be connected to each other by heat welding. In addition, the code | symbol 26 in a figure is the heat insulating material arrange | positioned in the part used as the indoor side in the resin bone part 24. FIG.

  The surface material 22 is formed by a thin plate member formed of a metal such as steel, and has a substrate portion 22a and a bent portion 22b. The board portion 22 a is a portion that forms a rectangular shape having substantially the same size as the outer dimension of the door body 23. The bent portion 22b is a portion bent substantially at right angles from the four circumferences of the substrate portion 22a in the same direction. The extension dimension of the bent part 22b is set to be smaller than ½ of the dimension along the expected direction of the resin bone part 24 described above.

  The surface material 22 covers the finding surface of the aggregate 21 having a four-round framework, and the bent portions 22b and the aggregate 21 are arranged with the individual bent portions 22b covering the prospective surfaces of the aggregate 21. The door body 23 is configured by joining the gaps. As a method for joining the bent portion 22b of the surface material 22 and the aggregate 21, for example, a rivet 27 may be applied. For the portion where the resin bone portion 24 and the metal bone portion 25 are overlapped, the bent portion 22 b of the surface material 22 is joined to the metal bone portion 25 via the resin bone portion 24 by the rivet 27. In addition, the code | symbol 28 in a figure is the heat insulating material arrange | positioned between the surface materials 22. FIG.

  As shown in FIGS. 4, 6, and 7, the door main body 23 configured as described above is provided with edge members 30 on the prospective surfaces of the aggregate 21 arranged at the door tips and the suspension base. There is a lock case 40 at the door end. On the other hand, the frame 10 described above is provided with a lock receiving member (accessory part) 50 in a vertical frame (hereinafter referred to as a door-end frame 13 when distinguished) corresponding to the lock case 40 of the door 20. A current-carrying metal fitting 60 is provided at the suspending source of the door body 23.

  The edge material 30 constitutes the prospective surface 20 a of the door body 20 by covering the prospective surface of the aggregate 21 and the bent portion 22 b of the surface material 22. In the present embodiment, the edge member 30 includes a metal edge portion 30a formed of a metal such as an aluminum alloy and a resin edge portion 30b formed of a hard resin such as hard PVC. The metal edge portion 30 a covers the majority of the outdoor side on the prospective surface of the aggregate 21, and the resin edge portion 30 b covers the indoor side on the prospective surface of the aggregate 21.

  The lock case 40 is for locking the door body 23, and includes a case body 41 having a thin rectangular parallelepiped shape and a flange 42 provided on one side surface of the case body 41. The case main body 41 is a portion that is accommodated inside the door main body 23 through insertion openings 21 d and 30 c provided in the aggregate 21 and the edge material 30. The flange 42 has a rectangular plate shape having an outer dimension larger than one side surface of the case main body 41 and is attached to the aggregate 21 via screws (not shown). A latch bolt 43 and a dead bolt 44 protrude from the flange 42 toward the door end frame 13.

  The lock receiving member 50 receives a latch bolt 43 protruding from the flange 42 of the lock case 40 when the door body 20 is closed, and a dead bolt 44 protruding from the flange 42 when the lock case 40 is locked. The strike 51 and the troyoke 52 are provided. In this lock receiving member 50, the troyoke 52 is attached to the inside of the door-end frame 13 through the mounting opening 13d provided in the door-end frame 13, and further, the door is arranged so as to cover the mounting opening 13d and the troyo-keok 52. A strike 51 is attached to the prospective surface 13 g of the front frame 13.

  The energizing metal fitting 60 is for supplying power supplied from the outside to the lock case 40, and includes a case main body 61 and a flange 62 provided on one side surface of the case main body 61. The case main body 61 is a portion that is accommodated inside the door main body 23 through insertion openings 21 d and 30 c provided in the aggregate 21 and the edge material 30. The flange 62 has a rectangular plate shape having an outer dimension larger than one side surface of the case main body 61, and is attached to the aggregate 21 via screws (not shown).

  Further, in this joinery, a main tight material (first tight material) 70 and a sub-tight material (second tight material) 80 are provided on the left and right vertical frames 13 and 14, respectively. The main tight material 70 abuts against a part of the surface 20b facing the room of the door body 20 when the door body 20 is closed, over the entire length along the top and bottom of both side edges. It is attached to the fins 13e and 14e. The contact fin portions 13e and 14e are fin-like portions that protrude inward from the portion that is the entire length of the prospective surfaces 13g and 14g on the inner peripheral side of the indoor frame elements 13b and 14b. The main tight material 70 has a base portion 71 and a contact fin portion 72, and each is integrally formed with a soft resin rich in elasticity such as EPDM. The main tight material 70 is held at the tip end portions of the contact fin portions 13e and 14e via the base portion 71, and can contact the surface 20b facing the interior of the door body 20 via the contact fin portion 72. Is possible.

  When the door body 20 is closed, the subtite material 80 is in contact with a portion extending over the entire length of the edge member 30 provided on the door body 20, and a pair of engagements provided on the vertical frames 13 and 14. The protrusions 13f and 14f are attached. The pair of engaging protrusions 13f and 14f are projected to the inner peripheral side so as to be opposed to each other from the prospective surfaces 13g and 14g on the inner peripheral side adjacent to the connecting members 13c and 14c in the frame elements 13a and 14a on the outdoor side. is there. The subtite material 80 has a base portion 81 formed of a relatively hard resin and a contact fin portion 82 formed of a relatively soft resin such as EPDM, and is integrally formed by two-color molding. It is. The subtite material 80 is held between the pair of engaging protrusions 13f and 14f via the base portion 81, and can contact the resin edge portion 30b of the door body 20 via the contact fin portion 82. It is.

  As shown in FIG. 5, the subtite material 80 is provided with a thermally expandable member 83 inside a base portion 81. The thermally expandable member 83 is a nonflammable or flame retardant member that expands due to heat. As the thermally expandable member 83, for example, a foam material containing thermally expandable graphite can be applied. In the present embodiment, thermal expansibility is provided at three locations: a portion of the base portion 81 that faces the prospective surface 20a of the door body 20, an edge portion that faces the outdoor portion of the base portion 81, and an edge portion that faces the interior of the base portion 81. A member 83 is built in the entire length. The thermal expansion member 83 provided on the edge of the base portion 81 facing the outdoor and the edge facing the indoor of the base portion 81 is disposed at a portion that is more outward than the concave portion 84 into which the engagement protrusions 13f and 14f are inserted. . As is apparent from the drawing, each of the thermally expandable members 83 is covered with the resin constituting the base portion 81 and cannot be visually recognized from the outside except for the end face.

  When the subtite material 80 is held by the vertical frames 13 and 14, the portions constituting the prospective surfaces of the vertical frames 13 and 14 are arranged on the outer peripheral side of the base portion 81, and are respectively engaged with the recesses 84 of the base portion 81. The joint protrusions 13f and 14f are arranged. In addition, the code | symbol 90 in a figure is a thermally expansible member shape | molded by the strip | belt shape.

  In the joinery configured as described above, as the main tight material 70 that abuts on the surface 20b of the door body 20, one that is integrally molded with a soft resin is applied, and as the subtite material 80 that abuts on the edge material 30 of the door body 20. The contact fin portion 82 is formed of a soft resin. Therefore, according to this joinery, the opening / closing performance of the door body 20 and the airtightness between the frame body 10 and the door body 20 are not impaired at the time of normal use.

  On the other hand, when the temperature rises from the outdoor side of the joinery at the time of fire, for example, as shown in FIGS. 6 and 7, the thermally expandable member 83 provided on the base portion 81 of the subtite material 80 expands and expands the heat. The gap with the door body 20 is closed by the inflatable member 83 ′.

  That is, in the base part 81, the thermally expandable member 83 disposed at a portion facing the prospective surface 20a of the door body 20 has the vertical frames 13 and 14 disposed on the outer peripheral side. The body 20 expands toward the prospective surface 20a. For this reason, the expanded thermal expansible member 83 'closes the gaps along the prospective direction between the vertical frames 13, 14 of the frame body 10 and the door body 20 over the entire length, respectively. It is possible to prevent the occurrence of a flame through-hole between the two.

  In addition, since the thermal expansion member 83 disposed on the edge of the base portion 81 facing the outdoor side has the engagement protrusions 13f and 14f disposed at the portion on the indoor side, when the temperature rises, it is mainly on the outdoor side. Will expand towards. For this reason, the expanded heat-expandable member 83 ′ blocks the mounting opening 13 d provided in the door frame 13 and the insertion openings 21 d and 30 c provided in the door body 20. And the situation where a flame approachs the inside of the door body 20 can be prevented.

  Furthermore, since the thermal expansion member 83 disposed on the edge of the base portion 81 facing the room has the engagement projections 13f and 14f disposed on the outside portion, when the temperature rises, it is mainly on the indoor side. Will expand towards. For this reason, the expanded heat-expandable member 83 'can cover the connecting members 13c, 14c connecting the frame elements 13a, 13b, 14a, 14b, and the frame elements 13a, 13b, 14a, 14b are divided. Thus, there is no possibility of inviting a situation where the door body 20 is dropped.

  As a result, according to the joinery described above, there is no hindrance to the performance required for the normal use state such as the opening / closing performance of the door body 20 and the airtightness between the frame body 10 and the door body 20. It becomes possible to improve fire resistance. In addition, since the heat-expandable member 83 is provided on the subtite material 80, not only the work for manufacturing the joinery is facilitated, but the heat-expandable member 83 is not exposed to the outside, so that the appearance quality is also improved. It will be advantageous. Furthermore, the above-described fire resistance can be ensured over a long period of time without causing a situation in which the thermally expandable member 83 is peeled off over time.

  In addition, in embodiment mentioned above, although the door body 20 illustrated through the hinge 1 so that opening and closing was supported by the frame 10, the present invention is not limited to this. Further, the frame members 11, 12, 13, and 14 constituting the frame body 10 are connected by the connecting members 11c, 12c, 13c, and 14c between the two frame elements 11a, 11b, 12a, 12b, 13a, 13b, 14a, and 14b. Although what was connected is illustrated, it does not necessarily restrict to what has connecting material 11c, 12c, 13c, and 14c. In the case of applying the frame members 11, 12, 13, 14 that do not have the connecting members 11 c, 12 c, 13 c, 14 c, the connecting members 11 c, 12 c at the base portion 81 of the second tight member 80 are used. Of course, the thermally expansible member 83 at the edge adjacent to 13c, 14c may be omitted.

  In the above-described embodiment, the thermal expansion member 83 is provided only on the base portion 81 of the second tight material 80, and the contact fin portion 82 is formed of a soft resin. Is advantageous in terms of the opening / closing performance of the door body and the airtightness between the frame body and the door body. However, the present invention is not necessarily limited to this, and a thermally expandable member may be provided in the contact fin portion.

  DESCRIPTION OF SYMBOLS 10 Frame, 13, 14 Frame material, 13a, 13b, 14a, 14b Frame element, 13c, 14c Connecting material, 13d Mounting opening, 13g, 14g Expected surface, 20 Door body, 20a Expected surface, 20b Surface, 50 tablets Receiving member, 70 Maintite material, 80 Subtite material, 81 Base part, 82 Contact fin part, 83 Thermally expansible member

Claims (5)

It is a fitting that can be opened and closed with respect to the frame body,
The frame material constituting the frame body is provided with a first tight material that contacts the surface of the door body, and a second tight material that contacts the prospective surface of the door body,
A joinery characterized in that the second tight material is provided with a thermally expandable member.   The second tight material has a base portion attached to the frame body and a contact fin portion that comes into contact with the door body, and the base portion is provided with the thermally expandable member. The joinery according to claim 1, wherein the joinery is characterized.   The joinery according to claim 2, wherein the thermally expandable member is provided at a portion of the base portion that faces the prospective surface of the door body. The prospective surface of the frame material constituting the frame body is provided with a mounting opening for attaching an accessory part,
The joinery according to claim 2, wherein the thermally expandable member is provided at an edge portion of the base portion adjacent to the mounting opening. The frame material constituting the frame body includes a metal frame element provided with the second tight material, a metal frame element provided with the first tight material, and these two frame elements connected to each other. And a heat insulating connecting material that
The joinery according to claim 2, wherein the thermally expandable member is provided at an edge portion of the base portion that is close to the connecting member.

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