JP6401636B2 - Architectural shutter device - Google Patents

Description

  The present invention relates to a technical field of an architectural shutter device having fire resistance.

  In general, some shutter devices for this type of building are built on frame materials (for example, sash frames) of openings such as windows. In such shutter devices, the shutter curtain is supported by the left and right brackets of the shutter case. When wound on a wound winding drum, the wound shutter curtain may protrude to the outdoor side from the frame material. In such a case, the left and right brackets protrude from the frame material to the left and right brackets, and the outdoor side surface (front surface) is covered with the cover body. In this case, the appearance of the left and right brackets is deteriorated as it is, and there is proposed a structure in which a portion protruding from the frame material of the left and right brackets is covered with a resin side cover (see, for example, Patent Document 1).

JP 2014-163178 A

However, in the above-mentioned conventional one, since the outdoor side part of the left and right brackets protrudes greatly from the frame material, for example, a thing incorporating a shutter case in a housing at a factory is prepared in advance, and this is transported to the site before If the cover body is covered with the cover body and the left and right sides of the cover body only need to be covered with the side cover to simplify the assembly of the shutter device in the field, the bracket will be There is a problem in that it gets in the way of overhanging conveyance.
Therefore, it is proposed that the bracket be made substantially flush with the outdoor side end of the housing so as not to obstruct the conveyance. However, in this case, since there is no side cover part corresponding to the member that the left and right brackets protrude from the housing, there is a problem that the strength is weak and fire resistance is also impaired. There are issues to be solved.

The present invention has been created in view of the above circumstances and has been created for the purpose of solving these problems. The invention of claim 1 is supported by left and right brackets of a shutter case attached to a housing opening. In an architectural shutter device configured to include a winding drum, a shutter curtain wound around the winding drum, and a guide rail for opening and closing the shutter curtain, the shutter case includes a left and right bracket as a casing. A steel case main body that is attached in a state that is substantially flush with the outdoor side end of the case, and a cover unit that covers the cover in a state of projecting to the outdoor side from the outdoor side end of the case main body. The cover unit includes a steel cover body that covers the outdoor side end of the case body, and both the left and right sides of the cover body. And resin side covers for covering the parts, architectural shutter apparatus characterized by being composed of a steel fire protection plate attached to the left and right ends of the cover body.
The invention according to claim 2 is characterized in that a heating expansion material is provided between the front plate, the upper plate, and the lower plate of the side plate for fire prevention and the front plate, the upper plate, and the lower plate of the cover body. Item 14. The architectural shutter device according to Item 1.
A third aspect of the present invention is the architectural shutter device according to the second aspect, wherein the heat expansion material is provided on a fire prevention side plate.

By making the case main body attached to the frame material, the left and right brackets are substantially flush with the outdoor side end of the housing so as not to obstruct the transportation. The case unit to be attached covers the outdoor part of the case body with the cover body protruding from the housing to the outdoor side, and the left and right sides are covered with the side cover. A fire-proof side plate is provided, which is excellent in strength and improved in fire-proof performance.
According to the invention of claim 2, when a fire occurs, the gap between the fireproof side plate, the case main body and the frame member is closed by the heat expansion material, and the fireproof property is excellent.
By setting it as invention of Claim 3, since a heat expansion material is concentrated and attached to the side plate for fire prevention, the attachment operation | work of a heat expansion material is simplified and workability | operativity improves.

It is a front view of a window shutter apparatus. It is a disassembled perspective view of a window shutter apparatus. It is a longitudinal cross-sectional side view of a window shutter apparatus. It is an enlarged vertical cross-sectional side view of a shutter case part. It is an enlarged plan view of a shutter case part. It is a principal part front view of a case unit. It is a principal part rear view of a case unit. It is a principal part side view of a case unit. It is a principal part bottom view of a case unit. (A)-(E) are the front view, side view, back view, top view, and bottom view of a fire prevention side plate. (A)-(E) are the front view, the side view, the rear view, the top view, and the bottom view of the fireproof side plate of the second embodiment. It is an enlarged plan view of a case unit part of a third embodiment. It is an enlarged plan view of the case unit part of the fourth embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a shutter curtain of an architectural shutter device attached to an opening such as a window. The shutter curtain 1 is attached to left and right brackets 4a of a shutter case 3 built on a housing X and a sash frame 2. Conventionally, the winding drum 5 is wound around the supported winding drum 5 and is guided up and down by guide rails 6 provided on the left and right sides of the opening to open and close the opening. Incidentally, in the present embodiment, the opening and closing operation of the shutter curtain 1 is a manual type, but it is needless to say that it may be an electric type.

The shutter case 3 includes a case main body 4 and a cover unit 7. The case main body 4 is mounted so as to be accommodated on the housing X side, and the brackets 4a are provided on the left and right sides. The end is substantially flush with the outdoor side end of the housing and does not protrude greatly (preferably not protruding at all, but may be slightly protruded as long as it does not interfere with conveyance). Has been. The cover unit 7 includes a cover body 8 that covers the front (outdoor side) opening of the case body 4 in a state of protruding to the outdoor side with respect to the housing X, and a side cover 9 that covers both the left and right side surfaces of the cover body 8. The case main body 4 and the cover main body 8 are made of steel (steel). When the case main body 4 is attached to the housing X side, the outdoor side edge of the left and right brackets 4a is the outdoor side surface of the sash frame 2. Are set to be substantially flush with each other.
Incidentally, the guide rail 6 is also set so as not to protrude from the sash frame 2 to the outdoor side, but may be protruded to the outdoor side as long as it does not interfere with conveyance. On the other hand, when the shutter curtain 1 is wound around the winding drum 5, the shutter curtain 1 protrudes to the outside of the sash frame 2, which interferes with the transportation. The sash frame 2 is kept out of the sash frame 2 in the closed (or half-open) state.
Further, a locking groove 2b described later is formed on the outdoor side portion of the sash frame upper frame 2a, and a locking piece 2c is suspended from the upper end of the opening of the locking groove 2b. The lower end of 2c protrudes slightly toward the indoor side.

The cover unit 7 includes a cover main body 8 made of a steel material covering a portion protruding from the case main body 4 to the outdoor side (front side), and a side cover 9 made of a resin material covering the left and right ends of the protruding portion of the cover main body 8. And a fireproof side plate 10 made of a steel material provided at both left and right ends of the cover body 8.
The cover body 8 includes a front plate 8a, an upper surface plate 8b bent from the upper end edge of the front plate 8a toward the indoor side, and a lower surface plate 8c bent from the lower end edge of the front plate 8a to the indoor side. And is set so as to cover the front part in a state of protruding to the outdoor side with respect to the case body 4. Then, a locking piece 8d is bent from the indoor side end of the case body upper surface plate 8b so as to incline toward the upper outdoor side, and the case unit 7 has a lower side as shown by an imaginary line in FIG. When the locking piece 8d is fitted into the locking groove 2b formed in the upper frame 2a of the sash frame 2 in a tilted posture biased to the outside, the cover body locking piece 8d with respect to the sash frame locking piece 2c is brought into the vertical position. Comes into contact with the indoor side (inside the locking groove 2b) in a pressing manner, and the indoor side end of the cover body upper surface plate 8b comes into contact with the lower piece 2e of the locking groove 2b from above. Thus, the cover unit 7 can be temporarily held without falling off the sash frame upper frame 2a.
Further, the cover body 8 is provided with a pair of upper and lower concave grooves 8e, 8f provided in the left-right direction. The indoor side surface of the upper concave groove 8e is connected to the outdoor side surface of the sash frame vertical frame 2d via a screw 11a. The top end portion 11c of the upper mounting bracket 11 to which the portion 11b is fixed is abutted and fixed via a screw 11d screwed from the outdoor side, so that the upper side of the cover unit 7 is attached to the sash frame 2. Yes.

  The side cover 9 is configured to include a front surface portion 9a, an upper surface portion 9b, a lower surface portion 9c, and a side surface portion 9d so as to externally fit both left and right end portions of the cover body 8, and the indoor side surface of the front surface portion 9a Attachment protrusions 9e are provided to be fitted into the cover body concave grooves 8e and 8f.

  The fire prevention side plate 10 includes a front plate 10a that is abutted against the indoor side surface of the cover main body front plate concave grooves 8e and 8f, and a side plate 10b that is bent toward the indoor side from the lateral outer edge of the front plate 10a. An upper surface plate 10d bent inward in the left-right direction from the upper end edge of the side plate 10b, and an outdoor side bent inward in the left-right direction from the lower half edge outdoor side half of the side plate 10b. It is comprised by the lower surface board 10e and the indoor side lower surface board 10f bent toward the left-right direction outward from the lower end edge indoor side half part of the side surface board 10b in the state which extends below the outdoor side lower surface board 10e. However, the front plate 10a comes into contact with the indoor side surfaces of the cover main body front plate concave grooves 8e and 8f. Then, the screw 10g screwed from the indoor side passes through the cover main body front plate concave grooves 8e, 8f and is screwed into the side cover mounting projection 9e, thereby integrating the cover main body 8, the side cover 9, and the fireproof side plate 10. Can be planned. Further, in the present embodiment, the fireproof side plate front plate 10a and the cover body front plate concave grooves 8e and 8f are fixed by the rivets 10h at the laterally outward position of the screw 10g to achieve a strong integration. .

  Further, the cover main body lower surface plate 8c is fixed to the lower end piece of the C-shaped frame member 12 opened on the indoor side by the rivet 12a. The wind-resistant material 13 is fixed to the upper end piece of the C-shaped frame member 12 by the rivet 13a. However, the fireproof side plate outdoor side lower surface plate 10e is close to and opposed to the left and right ends of the upper end piece of the C-shaped frame member 13. The wind-resistant material 13 is provided if necessary, and of course, the wind-resistant material 13 may be omitted.

  Further, reference numeral 14 denotes a lower mounting bracket. The lower mounting bracket 14 has a base end portion fixed to the sash frame vertical frame 2d by a screw 14a, and a distal end portion of the fireproof side plate indoor side lower surface plate 10f from above. The side cover lower surface portion 9c and the fireproof side plate indoor side lower surface plate 10f can be fixed to the lower mounting bracket 14 by abutting and screwing the screws 14b from the lower side.

  The fireproof side plate 10 is provided with a heating expansion material 15 that expands by receiving heat from a fire or the like and closes the gap to exert fireproofing properties. The heating expansion material 15 is provided on the front plate 10a. It is attached to the surface facing the cover main body front plate 8a, the surface facing the cover main body upper surface plate 8b of the upper surface plate 10d, and the surface facing the upper piece of the C-shaped frame member 12 of the outdoor side lower surface plate 10e.

In the present embodiment configured as described, a shutter curtain 1, a winding drum 5, an opening / closing machine 5 a, a case body 4, and a guide rail 6 are assembled in the factory together with the cover unit 7 in the sash frame 2. After the upper and lower mounting brackets 11 and 14 are attached to the sash frame vertical frame 2d at the site, the cover main body locking piece 8d is engaged with the sash frame upper frame 2a with the cover unit 7 tilted as described above. The shutter case 3 can be assembled by attaching the cover unit 7 inserted into the stop groove 2b and in a vertical posture to the upper and lower mounting brackets 11 and 14, and the field work is greatly simplified.
In this case, the left and right brackets 4a provided on the case body 4 are substantially flush with the outdoor side end of the sash frame 2 and do not protrude greatly, so that there is no hindrance to conveyance.

  In the embodiment in which the present invention is implemented in this way, the left and right brackets 4a do not protrude from the sash frame 2, so that the cover unit 7 to be retrofitted is configured without interfering with the conveyance. Since the steel fireproof side plates 10 are attached to the left and right side portions of the steel cover main body 8, the side covers 9 that cover the left and right side portions of the cover unit 7 are made of resin, and are excellent in appearance. However, even if the fire resistance is inferior, the strength can be increased and the fire resistance is excellent.

In addition, in this case, the heating expansion material 15 is provided between the front plate 10a, the upper plate 10d, and the outdoor lower plate 10e of the fireproof side plate 10 and the front plate 8a, the upper plate 8b, and the lower plate 8c of the cover body 8. As a result of the heat expansion material 15 expanding and closing the gap due to the heat generated in the event of a fire, high fireproof performance is maintained even if the side cover 9 is burned or melted away due to heat. can do.
In this case, since the heat expansion material 15 is concentrated on the fireproof side plate 10, the work of attaching the heat expansion material 15 is facilitated and the workability is improved. Incidentally, the heat expansion material 15 can be attached to the fireproof side plate 10 using an appropriate adhesive such as an adhesive or a single-sided adhesive tape, or an adhesive. Of course, the heat-expandable material 15 is not limited to the material provided concentrated on the fireproof side plate 10, and can be appropriately provided on a member such as the cover body side.
As the fireproof side plate 10, a back plate 10c may be provided so as to face the sash frame vertical frame 2d as in the second embodiment shown in FIG. Furthermore, the heating expansion material 15 is provided on the surface of the back plate 10c facing the vertical frame 2d so that fire resistance can be ensured when there is a gap between the back plate 10c and the vertical frame 2d. However, when the fireproof property of this part is ensured as in the first embodiment, it is not necessary to provide the heating expansion material 15 on the back plate 10c.

The present invention can also be implemented as in the third and fourth embodiments shown in FIGS. In these cases, a steel reinforcing member 16 is incorporated and fixed to the sash frame vertical frame 2d on the side of the housing X so as to further improve the fire resistance. The form is U-shaped in cross section. In the third embodiment, the reinforcing member 16 has one leg piece 16a fixed to the sash frame vertical frame 2d with a screw 11a for fixing the upper mounting bracket 11 to the sash frame vertical frame 2d. The leg pieces 16b are fixed to the housing X side by rivets 16c. Incidentally, the fixing means for attaching the other leg piece 16b to the housing side may be fixed from either the indoor or outdoor side by using screws, bolts or the like instead of the rivets 16c. Also, rivets and screws (screws) made of steel such as steel or stainless steel are used for fire prevention. In the fourth embodiment, the upper mounting bracket 11 and the reinforcing member 16 are fixed to the housing X side by long screws 16d penetrating the upper mounting bracket 11 and both leg pieces 16a and 16b of the reinforcing member 16. ing.
Further, in the architectural shutter device according to any one of claims 1 to 3, by adopting the fixing method further, for example, even when the sash frame vertical frame 2d is softened by a fire, the steel cover body and the fire protection Since the side plates are all attached to and held by the housing X via steel members, fire resistance is improved. Furthermore, even if the sash frame upper frame 2a is softened and the locking piece 8d of the cover main body is removed, the cover main body is screwed to the upper mounting bracket 11 at a portion above the center in the vertical direction. By fixing with, the cover main body is held and the fireproof property is improved.
In addition, the attachment method using the reinforcing member 16 is equivalent to the top plate 8b, the bottom plate 8c, and the left and right side plates (corresponding to the fireproof side plate 10) by bending the cover body 8 at the top and bottom and left and right ends of the front plate 8a. It can also be adopted in the case of a box-bending type cover body in which the part) is integrally formed. Also in this case, the cover main body is all attached and held to the housing X via the steel member, which is suitable for improving fire resistance.

  INDUSTRIAL APPLICABILITY The present invention can be used as an architectural shutter device built in an opening such as a window.

DESCRIPTION OF SYMBOLS 1 Shutter curtain 2 Sash frame 3 Shutter case 4 Case main body 4a Bracket 5 Winding drum 6 Guide rail 7 Cover unit 8 Cover main body 9 Side cover 10 Fire protection side plate 15 Heat expansion material

Claims (3)

A winding drum supported by left and right brackets of a shutter case attached to the housing opening, a shutter curtain wound around the winding drum, and a guide rail that guides the opening and closing of the shutter curtain. In the architectural shutter device, the shutter case is attached in a state in which the left and right brackets are substantially flush with the outdoor side end of the housing, and the outdoor side end of the steel case main body is open. The cover unit is configured to cover the outdoor side end of the case body, and the cover unit that covers the outdoor side end of the case body, and the left and right sides of the cover body. It consists of a resin side cover that covers both ends, and steel fire-proof side plates that are attached to the left and right ends of the cover body. Architectural shutter apparatus, characterized in that. 2. The architectural shutter according to claim 1, wherein a heating expansion material is provided between the front plate, the upper plate, and the lower plate of the fire prevention side plate and the front plate, the upper plate, and the lower plate of the cover body. apparatus. The architectural shutter device according to claim 2, wherein the heat expansion material is provided on a fire prevention side plate.

Images