JP6342630B2 - Opening / closing body storage case - Google Patents

Description

  The present invention relates to an opening / closing body accommodation case of an opening / closing device that opens and closes an opening of a building, and more particularly, to an opening / closing body accommodation case provided with means for suppressing the hanging of the opening / closing body accommodation case.

A shutter device as an opening / closing device installed at an opening such as a doorway of a building such as a house, a building, or a warehouse includes a shutter case (hereinafter referred to as a case) as an opening / closing body accommodation case.
The case is attached to a housing located above the opening of a building, rotatably accommodates a shaft that winds up a shutter curtain as an opening / closing body that opens and closes the opening, and includes a shutter curtain wound around the shaft. A housing space for housing is provided.
As the case, a plurality of horizontal rails are arranged between left and right side plates called brackets attached to the housing above the left and right ends of the opening, and the left and right ends of each horizontal rail are connected to the left and right side plates, respectively. A case is known in which a frame structure (case frame) of a case is formed and a case cover is attached so as to cover the space between the horizontal rails.
In the case of the case, since each horizontal rail is in a doubly supported beam state supported by the left and right side plates, the center side between the left and right sides of the case is more likely to hang down as the left and right lengths of the case become longer.
Therefore, in order to suppress the drooping of the central part side between the right and left of the case, the center part between the left and right of the rear side rail provided on the housing side on the upper side of the frame structure of the case is located away from the housing. A stiffener is provided to connect the central part between the left and right sides of the provided front side rail, and the drooping suppression of the configuration in which the stiffener and the horizontal beam provided on the lower side of the frame structure of the case are connected by a connecting member. Cases having means are known (see, for example, Patent Document 1).

JP 2011-12736 A

In the conventional case described above, the reinforcing member is attached to each of the front and rear horizontal beams on the upper side of the frame structure, and the reinforcing body and the horizontal beam on the lower side of the frame structure are connected by a connecting member. Thus, the sag control means for reinforcing the framework structure of the case is configured, and the sag control means is used to suppress the sag on the center side between the left and right sides of the case.
However, in the case of the case, the reinforcing member provided on the upper side of the frame structure and the lower crosspiece on the lower side of the frame structure are connected by a connecting member, and the shutter curtain wound around the shaft and the connection There was a concern that the case would become large in order to prevent contact with the member.
In addition, there is a concern that the structure of the case may be complicated because it is necessary to form a framework structure and the number of parts constituting the drooping suppression means increases.
An object of the present invention is to provide a case that can suppress drooping of the case and can be easily and downsized.

An opening / closing body housing case according to the present invention is an opening / closing body housing case provided with a housing space for housing an opening / closing body that is provided above an opening of a building and that opens and closes the opening. A left side plate attached to the housing located above, a right side plate attached to the housing located above the right end of the opening, and an upper plate portion covering an upper portion of the opening / closing body accommodated in the accommodation space. The case cover having a case cover and one end side attached to a casing located above the opening, and the other end side extending in a direction approaching the front of the upper plate portion to support the lower surface of the upper plate portion And a droop suppressing means for suppressing drooping of the cover, the upper plate portion of the case cover includes a rear upper plate portion and a front upper plate portion, and the front upper plate portion of the rear upper plate portion. The rear upper plate from the front end to the front An inclined surface which is inclined to go down to the remote downward, the other end of the hanging suppression means, the upper surface of the upper edge or the upper portion of the outer peripheral edge of the left side plate corresponding to the upper surface of the upper plate portion When the case cover is connected to the housing, the left side plate, and the right side plate in a state of being positioned above the upper edge of the outer peripheral edge of the corresponding right side plate, the other end of the sagging suppression means The case cover support portion which is the side is provided in a state where it is elastically deformed by being pressed against the lower surface of the upper plate portion of the case cover, and is configured to support the lower surface of the upper plate portion of the case cover, and the drooping suppression The other end of the means is located forward of the rearmost upper plate portion and rearward of the rearmost upper plate portion.
Further, the upper plate portion of the case cover includes an upper frame, and the upper frame extends in a direction along the upper edge of the opening and is inclined downward and extended to the front side. The rear end side is attached to the housing, the front end side is provided with a connection portion, and the rear end side which is the upper end side of the rear upper plate portion is connected to the connection portion provided on the front end side of the upper frame. It is characterized by that.
The rear upper plate portion is formed with an engagement piece on the rear end side, and the connection portion of the upper frame engages with the engagement piece to restrict upward movement of the rear upper plate portion. A restriction piece is provided.
In addition, the rear upper plate portion is formed with an engagement piece at the rear end side, and the connection portion of the upper frame engages with the engagement piece to move the rear upper plate portion forward and backward. It is characterized by including a regulating piece for regulating.
In addition, the connecting portion of the upper frame is configured as an engaging groove portion, and the rear end side of the rear upper plate portion is configured as an engaging piece that engages with the engaging groove portion. The upper frame and the rear upper plate part are connected by engaging with an engaging groove part.
The left end side is rotatably supported by the left side plate and the right end side is rotatably supported by the right side plate, and includes a shaft that winds the opening / closing body, and the other end of the drooping suppression means is the rotation of the shaft. It is configured to be positioned on the front tip side of the upper plate portion of the case cover from the center.
Further, the rear upper plate portion and the front upper plate portion are connected to the left plate, an upper plate portion of the left cover, an upper plate portion of the right cover connected to the right plate, and an upper plate of these left covers. And an upper plate portion of a connecting cover that connects the upper portion and the upper plate portion of the right cover.
The sagging suppression means includes one end side member, the other end side member, and a connecting means for connecting the one end side member and the other end side member, and the one end side member is attached to the housing. And a second end member connecting portion extending in a direction approaching the front of the rear upper plate portion from a mounting portion attached to the housing, and the second end member is connected to the first end side by the connecting means. One end side member connecting portion connected to the other end side member connecting portion of the member, and extending from the one end side member connecting portion toward the front of the rear upper plate portion to support the lower surface of the upper plate portion And a case cover support portion.
Furthermore, the connecting means, the other end side member of the one-side member from the building frame as capable of changing the length to the other end of the other end member when the sag suppressing means attached to said skeleton It is a means which connects a connection part and the one end side member connection part of the said other end side member.
Further, the connecting means includes a long hole formed in the one end side member, a screw hole formed in the other end side member, and a screw that passes through the long hole and is fastened to the screw hole. either, or a feature that it is constituted by a nut which is fastened to the one end side member and the other end member and the respectively formed through holes and the bolt and the bolt is passed through the through holes To do.

According to the opening / closing body housing case according to the present invention, the other end of the sagging suppression means is the upper edge of the outer peripheral edge of the left plate corresponding to the upper surface of the upper plate part or the outer peripheral edge of the right plate corresponding to the upper surface of the upper plate part. When the case cover is connected to the housing, the left side plate, and the right side plate in a state of being positioned above the upper edge of the case, the case cover support part that is the other end side of the drooping suppression means is Provided in a state of being elastically deformed by being pressed by the lower surface of the plate portion, and configured to support the lower surface of the upper plate portion of the case cover, and the other end of the droop suppression means is from the rearmost of the rear upper plate portion Since the opening / closing body housing case is always urged upward by the elastic force on the other end side of the sag control means. Accordingly, it is possible to suppress the drooping of the case by a simple configuration in which the other end side of the drooping suppression means is pressed against the lower surface of the upper plate portion of the case cover and elastically deformed, and the conventional frame structure or frame can be suppressed. Since there is no need to provide a connecting member for connecting the upper and lower horizontal rails of the structure, the case can be simplified and the case can be reduced in size.
In addition, since the drooping suppression means includes the one end side member, the other end side member, and the connecting means for connecting the one end side member and the other end side member, the member to which stress due to the load of the case cover is most applied. The one end side member can be formed using a highly rigid metal plate, and the other end side member to be elastically deformed can be formed using a thin metal plate having a lower rigidity than the one end side member. Compared with the case where the sagging suppression means is formed of a single plate, the cost can be reduced, and the thickness of the plate that forms the other end member that contacts the lower surface of the upper plate of the case cover can be reduced. It is possible to match the thickness of the plate material forming the upper plate portion, and it is possible to prevent the other end side member from pressing the upper plate portion of the case cover and raising the upper surface of the upper plate portion.
Further, since the sag suppression means provided with coupling means capable of changing the length to the other end of the other end member from skeleton when attached to building frame, the other end from the precursor corresponding to the size of the case cover The length to the other end of the side member can be changed, and it becomes possible to cope with drooping suppression of cases of various sizes with one drooping suppression means.

The perspective view of a shutter apparatus. Sectional drawing of a shutter case. The disassembled perspective view of a drooping suppression means. Explanatory drawing of the support structure of the case cover by a drooping suppression means.

  As shown in FIG. 1, a shutter device (opening / closing device) 1 according to an embodiment includes a case (opening / closing body housing case) 2, an opening / closing mechanism, a shutter curtain (opening / closing body) 4, and a guide rail 5.

The case 2 is attached to a housing as an attachment part such as a stud and a beam positioned above an opening 13 such as an entrance / exit formed in the building 3 and rotatably accommodates a shaft 6 around which the shutter curtain 4 is wound. It is comprised so that the accommodation space which accommodates the shutter curtain 4 wound up by the said shaft 6 may be formed.
That is, the case 2 is configured to include an accommodation space that is provided above the opening 13 formed in the building 3 and accommodates the shutter curtain 4.

The opening / closing mechanism provided in the case 2 includes a shaft 6 that winds up the shutter curtain 4, and a rotation operation mechanism (not shown) that rotates the shaft 6 around the rotation center line 6 a of the shaft 6.
In the case of a manual shutter device, the rotation operation mechanism includes a spring (not shown) that rotates the shaft 6 in the winding direction, and a power transmission means such as a pulley that transmits the rotational force stored in the spring to the shaft 6. In the case of an electric shutter device, a power transmission means such as an unillustrated motor for rotating the shaft 6 in the winding direction and the feeding (unwinding) direction and a gear transmission mechanism for transmitting the rotational force of the motor to the shaft 6. Etc.

  The guide rails 5; 5 are members for guiding side edges (both left and right ends) of the shutter curtain 4 that opens and closes the opening 13, and the left and right directions (opening) with respect to the rectangular center of the opening 13. The guide groove 5 a is provided so as to stand upright at the left end; right end of the opening 13 and extend in the vertical direction of the opening 13. The left and right side edges of the shutter curtain 4, which are both longitudinal ends of the slat member 10 a in the shutter curtain 4, open and close the shutter curtain 4 via the guide grooves 5 a and 5 a facing each other on the guide rail 5; 5. The shutter curtain 4 moves in the vertical direction to open and close the opening 13 by being guided in the vertical direction. That is, the shutter curtain 4 of the shutter device 1 is wound around the shaft 6 to open the opening 13 of the building, and the shutter curtain 4 is unwound from the shaft 6 (unwinded) to close the opening 13. .

The shutter curtain 4 includes a slat 10, a drainer 11, and a suspension base 12, and is formed of a metal such as steel, for example.
The slat 10 is formed by a plurality of slat members 10a. The slat member 10 a is formed by a long member that is long in the direction along the rotation center line 6 a of the shaft 6. The slats 10 have both longitudinal positions of adjacent slat members 10a such that the plurality of slat members 10a are continuous in a direction orthogonal to the longitudinal direction of the slat members 10a (the direction along the long side of the slat members 10a). And the long sides are connected to each other by an engaging portion (not shown) and formed into a rectangular plate shape that can be bent at the connecting portion.
The drainer 11 is connected to the long side of the slat member 10a positioned at one end of the slat 10 in the direction orthogonal to the longitudinal direction of the slat member 10a, and the suspension base 12 is in the direction orthogonal to the longitudinal direction of the slat member 10a. It is connected to the long side of the slat member 10a located at the other end.
The drainer 11 is formed by a long member that is long in the direction along the rotation center line 6 a of the shaft 6. The drainer 11 is formed of a long member whose cross-sectional shape orthogonal to the longitudinal direction (the direction along the long side of the drainer 11) is an inverted T shape, and a portion corresponding to the lateral side of the inverted T shape at the lower end. Becomes the horizontal part. The length in the longitudinal direction of the drainer 11 is shorter than the length in the longitudinal direction of the slat member 10a, and the center position in the longitudinal direction of the drainer 11 is aligned with the center position in the longitudinal direction of the slat member 10a. The long side of the vertical part and the long side of the slat member 10a positioned at one end of the slat 10 are connected to each other by an engaging part (not shown).
The suspension base 12 is a connecting plate provided intermittently on the long side along the long side of the slat member 10a located at the other end of the slat 10, and is above the opening 13 of the building 3 as will be described later. It is connected to the shaft 6 via an outlet hole 14 (see FIG. 2) of the shutter curtain 4 in the case 2 fixed to the housing located.

As shown in FIGS. 1 and 2, the sash frame 15 is provided on the outer wall side of the opening edge of the opening 13 of the building 3, and the frame 16 is provided on the inner wall side of the opening edge of the opening 13. A case where the shutter device 1 is provided outside the window having a configuration in which the sliding door 17 is attached to the door will be described as an example.
In describing each member constituting the case 2, the direction approaching the outer wall of the building 3 is defined as the rear, and the direction away from the outer wall of the building 3 toward the outside of the building 3 is defined as the front.
In FIG. 1, the width (opening) of the opening 13 is about 4 m, the height of the opening 13 is about 2544 mm, and 19 is a lower frame of the shutter device 1.

  As shown in FIG. 2, the case 2 is attached to a housing as an attachment portion such as a stud 18 provided above a sash frame 15 provided on the outer wall side of the opening edge of the opening portion 13 to form a wall foundation. . The wall base is provided with a plurality of intermediate pillars 18; 18... Provided at predetermined intervals, and a base plate attached to the surface of the plurality of intermediate pillars 18; A structural plywood 18a is used as the base plate on the outer wall side, and a plaster board 18b is used as the base plate on the inner wall side. On the outer wall base surface 18f formed by the surface of the structural plywood 18a, an outer wall 18g is formed by finishing the outer wall with an exterior material or painting. An inner wall 18h is formed on the surface of the gypsum board 18b by finishing the interior with a cloth, an interior finishing material, or the like.

With reference to FIGS. 1-4, an example of the structure of case 2 is demonstrated.
As shown in FIG. 1, the case 2 includes a left side plate 21 positioned on the left side when viewed from the lower side in the front to the rear direction, and a right side plate positioned on the right side when viewed from the lower side in the rear direction from the front. 22, a case cover 23, and drooping suppression means 24.

The left side plate 21 is attached to a housing located above the left end of the opening 13.
The right side plate 22 is attached to a housing located above the right end of the opening 13.
The left end side of the shaft 6 is rotatably supported by the left side plate 21 via a bearing (not shown), and the right end side of the shaft 6 is rotatably supported by the right side plate 22 via a bearing (not shown). The rotation center line 6a of the shaft 6 is configured to be rotatable about the rotation center, and the shaft 6 is configured to rotate in a direction in which the shutter curtain 4 is wound and in a direction in which the shutter curtain 4 is unwound (unwinding direction).
That is, the case 2 is mounted on a housing located above the left end of the opening 13 and is positioned above the right end of the opening 13 and the left side plate 21 that is a component that rotatably supports the left end of the shaft 6. And a right side plate 22 that is a component that is attached to the housing and supports the right end side of the shaft 6 rotatably.

As shown in FIG. 2, the case cover 23 covers the upper part 4t, the front part 4f, and the lower part 4u of the shutter curtain 4 wound around the shaft 6 (the shutter curtain 4 in the state shown by the one-dot chain line in FIG. 2). The upper end is attached to the housing, the left end is connected to the left side plate 21, and the right end is connected to the right side plate 22.
As shown in FIGS. 1 and 2, the case cover 23 includes an upper frame 31, a left cover 32, a right cover 33, a connection cover 34, and a lintel 35.

  The upper frame 31 extends in the direction along the upper edge of the opening 13 and extends in the direction of the front plate 41 of the left cover 32 and the right cover 33 from the outer wall base surface 18f to the direction of the front plate 41. An inclined long plate portion 31a having an inclined surface that is inclined downward toward the surface, and an attachment portion 36 to the housing functioning as the upper end side provided on one long side edge of the inclined long plate portion 31a; And a connecting portion 37 provided on the other long side edge of the inclined long plate portion 31a.

The left cover 32 and the right cover 33 have the same configuration, and each includes a front plate portion having a plate surface that is long in the direction along the upper edge of the opening 13 and is positioned in parallel or substantially parallel to the outer wall base surface 18f. 41, an upper plate portion 42 provided so as to be continuous from one long side edge of the front plate portion 41, and a lower plate portion 43 provided so as to be continuous from the other long side edge of the front plate portion 41. Is provided.
Specifically, one long side edge side and the other long side edge side of one long plate are bent so as to extend in substantially the same direction, so that an upper plate portion 42 and a lower plate portion 43 are formed. The plate surface of the upper plate portion 42 and the plate surface of the lower plate portion 43 are configured to face each other.
In other words, one plate is formed in a concave cross section, the concave bottom plate portion is the front plate portion 41, one concave standing plate portion is the top plate portion 42, and the other concave standing plate portion is the bottom plate portion. The plate portion 43 is configured.
The upper plate portion 42 includes, for example, a front upper plate portion 42A and a rear upper plate portion 42B, and the upper surface of the rear upper plate portion 42B has an inclined surface that is inclined downward from the rear end toward the front. The upper surface of the front upper plate portion 42A is formed as an inclined plate surface that is inclined so as to be lowered forward from the front end of the rear upper plate portion 42B and extends to the upper end of the front plate portion 41.
The inclined surface of the front upper plate portion 42A is formed to be steeper than the inclined surface of the rear upper plate portion 42B.

The connecting cover 34 is a cover that connects the right end portion of the left cover 32 and the left end portion of the right cover 33. For example, the connecting cover 34 is in a state where the right end surface of the left cover 32 and the left end surface of the right cover 33 are in contact with each other. In this state, the outer surface of the front plate portion 41, the upper plate portion 42, and the lower plate portion 43 at the right end of the left cover 32 and the front plate portion 41, the upper plate portion 42, and the lower plate portion 43 at the left end portion of the right cover 33. The structure is arranged so as to straddle the outer surface of the left cover 32 and is connected to the right end portion of the left cover 32 and the left end portion of the right cover 33 by attachment means such as screws not shown in the drawing to connect the left cover 32 and the right cover 33. It is.
In other words, the connecting cover 34 is formed by forming a single long plate with a concave cross section, the concave bottom plate portion as a front plate portion, the concave one standing plate portion as an upper plate portion, and the other concave portion. It is the structure which made the standing board part the lower board part. The connection cover 34 brings the plate surface of the front plate portion of the connection cover 34 into contact with the surfaces of the front cover portion 41 of the left cover 32 and the right cover 33, and the plate surface of the upper plate portion of the connection cover 34 and the left cover 32. In the state where the surface of the upper plate portion 42 of the right cover 33 is brought into contact with the surface of the lower plate portion of the connecting cover 34 and the surface of the lower plate portion 43 of the left cover 32 and the right cover 33 in contact with each other. It is attached to the right end portion of the left cover 32 and the left end portion of the right cover 33 by attachment means such as an external screw.

  Therefore, the left cover 32, the right cover 33, and the connection cover 34 are connected to the connection portion 37 of the upper frame 31 that is attached to the through hole 36 a formed in the attachment portion 36 through fastening means such as a screw 38. The upper end side 42t of the upper plate part 42 is connected. Thereby, the upper plate part 42 of the left cover 32 and the right cover 33 is provided so as to cover the upper part 4t of the shutter curtain 4 wound around the shaft 6, and the front plate part 41 of the left cover 32 and the right cover 33 is provided with the shaft. 6 is provided so as to cover the front portion 4f of the shutter curtain 4 wound around the shaft 6, and the lower plate portion 43 of the left cover 32 and the right cover 33 covers the lower portion 4u of the shutter curtain 4 wound around the shaft 6. Provided. In this case, for example, the upper surface of the upper plate portion 42 of the left cover 32 and the right cover 33 forms an inclined surface that is continuous with the inclined long plate portion 31 a of the upper frame 31, and the front plate portions of the left cover 32 and the right cover 33. The front surface of 41 forms a vertical surface, and the lower surface of the lower plate portion 43 of the left cover 32 and the right cover 33 forms a horizontal plane.

That is, in the embodiment, the upper plate portion of the case cover 23 that covers the upper portion 4t of the shutter curtain 4 wound around the shaft 6 is, for example, the upper plate portion 42 of the upper frame 31, the left cover 32, and the right cover 33, and The upper plate portion of the connection cover 34 is configured.
The front plate portion of the case cover 23 that covers the front portion 4f of the shutter curtain 4 wound around the shaft 6 is formed by the left cover 32, the front plate portion 42 of the right cover 33, and the front plate portion of the connecting cover 34. Composed.
The lower plate portion of the case cover 23 covering the lower portion 4u of the shutter curtain 4 wound around the shaft 6 is constituted by the left cover 32, the lower plate portion 43 of the right cover 33, and the lower plate portion of the connecting cover 34. Is done.

  The lintel 35 extends long in the direction along the upper edge of the opening 13 and has a long horizontal plane extending from the outer wall base surface 18 f toward the front plate 41 of the left cover 32 and the right cover 33. It is the structure provided with the board part 35a and the attaching part 35b to the housing provided in one long side edge of the said elongate board part 35a. An opening formed between the other long side edge of the long plate portion 35a and the edge of the lower plate portion 43 of the left cover 32 and the right cover 33 forms the entrance / exit 14 of the shutter curtain 4 in the case 2. The The guide rails 5; 5 are provided so that the upper and lower ends of the left and right guide rails 5; 5 correspond to the left and right ends of the entrance / exit 14 of the shutter curtain 4, respectively.

  The left end of the upper frame 31, the left cover 32, and the lintel 35 are connected to the outer peripheral edge of the left side plate 21, and the right end of the upper frame 31, the right cover 33, the lintel 35 and the outer peripheral side of the right side plate 22 are Are connected, the left end opening of the case cover 23 surrounded by the left end of the upper frame 31, the left cover 32 and the lintel 35 and the outer wall base surface 18f is closed by the left side plate 21, and the upper frame 31 The right cover 33, the right end of the case cover 23 surrounded by the right end of the lintel 35 and the outer wall base surface 18f, and the right end plate 22 are closed.

For example, as shown in FIG. 1, the outer peripheral edge 21e of the left side plate 21 is provided with a connecting portion provided so as to extend in a direction approaching the right side plate 22 from the outer peripheral edge 21e. The connection portion includes a housing connection portion (not shown) serving as an attachment portion to the housing, and a case cover left connection portion 21f to which the left end opening end portion of the case cover 23 is connected.
Similarly, the outer peripheral edge 22e of the right side plate 22 is provided with a connecting portion provided so as to extend in a direction approaching the left side plate 21 from the outer peripheral edge 22e. The connecting portion includes a housing connecting portion (not shown) serving as an attaching portion to the housing, and a case cover right connecting portion 22f to which a right end opening end portion of the case cover 23 is connected.
The front end side in the extending direction of the case cover left connecting portion 21f is formed on a step surface (not shown) that is one step lower than the outer peripheral edge 21e side, and the left end opening end portion of the case cover 23 is placed on the step surface. And the surface on the outer peripheral edge 21e side of the case cover left connecting portion 21f are positioned on the same plane, and the stepped surface and the left end opening end of the case cover 23 are not shown in the figure. It is connected by the connecting means.
Similarly, the front end side in the extending direction of the case cover right connection portion 22f is formed on a step surface (not shown) that is one step lower than the outer peripheral edge 22e side, and the right end opening end portion of the case cover 23 is placed on the step surface. The surface of the case cover 23 and the surface of the case cover right connection portion 22f on the outer peripheral edge 22e side are configured to be located on the same plane, and the step surface and the right end opening end of the case cover 23 are not shown. Are connected by connecting means such as screws.
Therefore, the outer peripheral edge 21e of the left side plate 21 and the outer peripheral edge 22e of the right side plate 22 are positioned on the same plane as the surface of the case cover 23 in the design when the case 2 is installed on the housing.

  The drooping suppression means 24 includes one end side member 51, the other end side member 52, and a connecting means 53 that connects the one end side member 51 and the other end side member 52. The connecting means 53 can change the length from the outer wall base surface 18f as the surface of the housing (attachment portion) to the other end 52t of the other end side member 52 when the drooping suppression means 24 is attached to the housing. And means for connecting the other end side member 52 of the one end side member 51 to the other end.

The one-end-side member 51 is attached to a housing (attachment portion) located above the opening 13 and a direction approaching the front plate portion 41 of the case cover 23 from the upper end of the attachment portion 55 attached to the housing. The other end side member connection part 56 extended in the direction approaching the front of the upper plate part of the case cover 23 is provided.
The one end side member 51 has, for example, a configuration in which a metal long plate is bent at the center in the longitudinal direction and formed in an L shape, and one plate portion whose plate surfaces are orthogonal to each other is attached to the housing. The other plate portion whose plate surface is orthogonal to each other is formed at the other end side member connecting portion 56 that is connected to the other end side member 52.
A through hole 57 for attachment to the housing is formed in the attachment portion 55, and a long hole 58 that is a through hole for connection to the other end side member 52 is formed in the other end side member connecting portion 56.
The other end side member 52 is connected to the other end side member connecting portion 56 of the one end side member 51 by the connecting means 53 and the front plate portion 41 of the case cover 23 from the one end side member connecting portion 61. And a case cover support 62 that supports the lower surface 60 of the upper plate portion of the case cover 23.
The other end member 52 is formed of, for example, a metallic long flat plate, and adjustment screw holes 59 penetrating the long flat plate are spaced apart from each other along a longitudinal direction of the long flat plate. The long flat plate is configured such that one end side of the long flat plate functions as the one end side member connecting portion 61 and the other end side of the long flat plate functions as the case cover support portion 62.

The drooping suppression means 24 is a screw 70 in a state in which the other end side member 52 is placed on the plate surface of the other end side member connecting portion 56 of the one end side member 51 and the long hole 58 and the screw hole 59 are matched. Is passed through the long hole 58 and fastened to the screw hole 59 to form an L-shape. By changing the screw hole 59 for fastening the screw 70, the drooping suppression means 24 is attached to the housing. In this case, the length from the outer wall base surface 18f as the surface of the housing to the other end 52t of the other end member 52 can be changed.
As described above, the long hole 58, the plurality of screw holes, and the screw 70 constitute the connecting means 53.
The other end side from the outer wall base surface 18f when the drooping suppression means 24 is attached to the housing by making the length of the elongated hole longer than the interval between the screw holes 59 adjacent to each other. It becomes possible to finely adjust the length of the member 52 to the other end 52t.
The other end side tip of the other end side member 52 of the sagging suppression means 24 to which the attachment portion 55 of the one end side member 51 is attached to the housing is the rear end of the upper plate portion of the case cover 23 and the upper plate of the case cover 23. What is necessary is just to be located between the front front-end | tips of a part. Specifically, the length in the front-rear direction of the sagging suppression means 24 attached to the housing is preferably at least half of the length in the front-rear direction of the upper case cover, and the other end-side member 52 of the sagging suppression means 24. It is preferable that the other end of the upper end of the case cover 23 is positioned at a position close to the front end of the upper plate portion. Further, when the shutter curtain 4 is wound around the shaft 6, the tip of the other end of the sag suppressing means 24 attached to the housing is closer to the front tip of the upper plate portion of the case cover 23 than the rotation center of the shaft 6. It is preferably configured to be positioned (see FIG. 2). In this case, in order to avoid interference with the shutter curtain 4 wound around the shaft 6, the drooping suppression means 24 is configured to be positioned above the upper end of the shutter curtain 4 wound to the maximum diameter. Of course, regardless of whether the shutter curtain 4 is wound around the shaft 6 or not, the opening / closing operation of the shutter curtain 4 is performed by positioning the drooping suppression means 24 so as not to interfere with the opening / closing of the shutter curtain 4. It is configured so that there is no hindrance.

  And the attachment part 55 of the one end side of the droop suppression means 24 was attached to the housing located above the opening part 13, and the other end 52t side of the droop suppression means 24 was wound around the shaft 6 from the upper end of the attachment part 55. The shutter curtain 4 is configured by a case cover support portion 62 that extends in a direction approaching the front plate portion 41 of the case cover 23 that covers the front portion 4 f of the shutter curtain 4, and the case cover support portion 62 is wound around the shaft 6. The upper surface 4t of the case cover 23 covering the upper portion 4t of the case cover 23 is pressed and elastically deformed so as to support the lower surface 60.

Next, an example of a method for attaching the case 2 to the housing will be described.
The left side plate 21 is attached to the case located above the left end of the opening 13, and the right side plate 22 is attached to the case located above the right end of the opening 13. The left end side of the shaft 6 is attached to the left side plate 21 via a bearing (not shown), and the right end side of the shaft 6 is attached to the right side plate via a bearing (not shown). Thereby, the shaft 6 is attached to the left side plate 21 and the right side plate 22 so as to be rotatable about the rotation center line 6 a of the shaft 6.
The drooping suppression means 24 is fixed to the housing located directly above the center position between the left opening edge and the right opening edge of the opening 13.
In this case, the other end 52t of the other end member 52 when the sagging suppression means 24 is attached to the housing is higher than the upper surface of the upper plate portion of the case cover 23 in the design when the case 2 is attached to the housing. To be located at. For example, as shown in FIG. 4 (a), the other end 52t of the other end side member 52 when the sag suppression means 24 is attached to the housing is lower than the lowest position 42a on the upper surface of the rear upper plate portion 42B. It may be positioned above or positioned above the lowest position of the upper surface of the front upper plate portion 42A.
Since the outer peripheral edge 21e of the left side plate 21 and the outer peripheral edge 22e of the right side plate 22 are located on the same plane as the surface of the case cover 23 designed when the case 2 is installed on the housing, the case 2 is attached. In this case, the upper surface of the upper plate portion of the case cover 23 and the upper edge of the outer peripheral edge 21e of the left side plate 21 and the upper edge of the outer peripheral edge 22e of the right side plate 22 corresponding to the upper surface are positioned on the same plane. .
Therefore, when adjusting the length from the outer wall base surface 18f to the other end 52t of the other end side member 52 when the drooping suppression means 24 is attached to the casing, the outer wall at a position close to the left side plate 21 or the right side plate 22 is used. In a state where the lower ground 18f and the attachment portion 55 of the drooping suppression means 24 are in surface contact, the other end 52t of the other end side member 52 is above the upper edge of the outer peripheral edge of the left side plate 21 or the outer peripheral edge of the right side plate 22. After adjusting the length from the outer wall base surface 18f to the other end 52t of the other end side member 52 when the drooping suppression means 24 is attached to the housing so as to be positioned above the edge, the opening 13 The mounting portion 55 is fixed to the housing as the mounting portion by a fixing means such as a screw 71 in a state where the outer wall base surface 18f located above the center portion between the left and right and the mounting portion 55 of the drooping suppression means 24 are in surface contact. Goodbye .
After that, by connecting the case cover 23 to the housing, the left side plate 21 and the right side plate 22, the case cover support portion 62 of the drooping suppression means 24 is pressed against the lower surface 60 of the upper plate portion of the case 2 and elastically deformed. It is provided in a state and is configured to support the lower surface 60.
The drooping suppression means 24 is preferably fixed as close to the center as possible, such as the center position of the upper plate portion of the case cover 23 in the left-right direction (between the left opening edge and the right opening edge). Further, the number and arrangement position of the sag control means 24 arranged in the left-right direction are arbitrary, but if a plurality of arrangements are arranged, it is preferable to arrange them symmetrically or substantially symmetrically.

For example, by connecting the upper end side 42t of the left cover 32, the right cover 33, and the connection cover 34 to the connection portion 37 of the upper frame 31 in advance, the upper frame 31, the left cover 32, the right cover 33, and the connection cover 34 are connected. The assembled cover body is configured, the upper end side of the cover body is attached to the housing, the left end portion of the cover body is connected to the left side plate 21, and the right end portion of the cover body is connected to the right side plate 22. That's fine.
In this case, as shown in FIG. 2 in an enlarged manner, the connecting portion 37 of the upper frame 31 is configured as an engaging groove portion, and the upper end side 42t of the left cover 32, the right cover 33, and the connecting cover 34 is used as the engaging groove portion. The engaging piece is configured to be engaged, and the upper frame 31 and the left cover 32, the right cover 33, and the connection cover 34 may be connected by engaging the engaging piece with the engaging groove. .
In this case, the engagement groove portion engages with the engagement piece and restricts the forward movement of the left cover 32 and the right cover 33, and engages with the engagement piece and the left cover 32 and the right cover 33. A restricting piece that restricts the rearward movement of the left cover 32, a restricting piece that engages with the engaging piece and restricts the upward movement of the left cover 32 and the right cover 33, and a left cover 32 that engages with the engaging piece. In addition, as a configuration surrounded by a restriction piece that restricts the downward movement of the right cover 33, the engagement piece cannot be inserted into the engagement groove from the front, rear, upper, and lower sides, and the engagement piece is restricted. If it is set as the structure inserted in the space of the engagement groove part enclosed by the piece from the opening side of the right or left of the said space, without using fixing means, such as a screw, the upper frame 31 and the left cover 32 The right cover 33 and the connection cover 34 can be connected, and the upper frame 31 and the left cover 32 can be connected to the right Bar 33, since the boundary between the connection cover 34 is only visually becomes a line, an excellent structure to design.
Thus, if it is set as the structure which connects the upper frame 31 which is a separate member, the left cover 32, the right cover 33, and the connection cover 34, for example, the upper frame 31 used as a support part will be used using a highly rigid metal plate. Since the left cover 32 and the right cover 33 can be formed using a thin metal plate having a lower rigidity than the upper frame 31, the upper frame 31 and the cover are integrally formed. Cost saving can be achieved compared to the case cover.

  Then, the attachment portion 35b of the lintel 35 is opened on the outer wall base surface 18f located above the upper edge of the outer wall side of the opening 13 and below the position where the attachment portion 55 of the sag suppression means 24 is attached. The mounting portion 35b and the outer wall are positioned so as to be parallel to the upper edge of the portion 13 so that the long plate portion 35a of the lintel 35 extends in a direction away from the outer wall base surface 18f from the lower end of the mounting portion 35b. With the lower ground 18f in contact, the screw 35d as an attaching means is inserted into the through hole 35c of the attaching portion 35b and the screw 35d is fastened to the housing, whereby the lintel 35 is fixed to the housing.

  According to the first embodiment, the case cover support portion 62 of the drooping suppression means 24 is pressed and elastically deformed by being pressed by the lower surface 60 of the upper plate portion of the case cover 23 covering the upper portion 4t of the shutter curtain 4 wound around the shaft 6. 4B, the rear upper plate portion 42B of the case cover 23 is on the other end side of the drooping suppression means 24. As shown in FIG. The cover support portion 62 is always urged upward by the elastic force of the cover support portion 62. Therefore, the central portion between the left and right sides of the case 2 attached to the housing is obtained by a simple configuration in which the other end side of the drooping suppression means 24 is pressed against the lower surface 60 of the upper plate portion of the case cover 23 and elastically deformed. Can be suppressed, and it is not necessary to provide a conventional frame component or a connecting member for connecting the upper and lower horizontal rails of the frame component, so that the case 2 can be simplified and the case 2 can be reduced in size. It becomes like this.

According to the first embodiment, the case cover 23 is configured to be divided into the upper frame 31 and the left and right covers 32; 33, so that the cost of the case cover can be reduced.
Further, since the case cover 23 is divided into the left and right covers 32; 33, the case cover 23 can be easily transported and handled, and workability is improved.

  According to the first embodiment, since the drooping suppression means 24 is configured by connecting the one end side member 51 and the other end side member 52 which are separate members, for example, a member to which stress due to the load of the case cover 23 is most applied. One end member 51 can be formed using a highly rigid metal plate, and the other end member 52 to be elastically deformed can be formed using a thin metal plate having a lower rigidity than the one end member 51. Therefore, the cost can be reduced as compared with the case where the sagging suppression means 24 is formed of a single plate. Further, the thickness of the plate material forming the other end member 52 that contacts the lower surface 60 of the upper plate portion of the case cover 23 can be matched with the thickness of the plate material forming the upper plate portion of the case cover 23. Therefore, it can prevent that the other end side member 52 presses the upper board part of the case cover 23, and the upper surface of an upper board part protrudes.

  According to the first embodiment, the sagging suppression means 24 has a length from the outer wall base surface 18f as the surface of the casing when the sagging suppression means 24 is attached to the casing to the other end 52t of the other end side member 52. Since the connecting means 53 for connecting the one end side member 51 and the other end side member 52 so as to be changeable is provided, the wall base surface can be adapted to the case cover 23 of various sizes with one sag suppressing means 24. The length from 18a to the other end 52t of the other end side member 52 can be changed, and the drooping of the case cover 23 of various sizes can be suppressed by the single droop suppression means 24.

Embodiment 2
As the drooping suppression means 24, one having a configuration in which one long plate is bent at the center in the longitudinal direction and formed in an L shape may be used. That is, one plate portion whose plate surfaces are orthogonal to each other is formed in a case attachment portion attached to the case, and the other plate portion is provided in a state of being elastically deformed by being pressed by the lower surface 60 of the upper plate portion of the case cover 23. In addition, a structure formed in a support portion that supports the lower surface 60 of the upper plate portion of the case cover 23 from below may be used.

  The sagging suppression means 24 may have a configuration in which one end side member 51 and the other end side member 52 which are separate members are connected by a connecting means such as welding or an adhesive means.

  In the above description, the case cover 23 is exemplified by the upper frame 31, the left cover 32, and the right cover 33 made up of separate members. Further, the present invention can also be applied to restraining drooping of a case cover having a cover structure in which the left cover 32 and the right cover 33 are formed of a single member.

  Moreover, although the example which comprised the connection means 53 by the long hole 58, the several screw hole, and the screw 70 was shown above, the through-hole each formed in the one end side member 51 and the other end side member 52, and these are shown. The connection means comprised by the volt | bolt passed through a through-hole and the nut fastened by the said volt | bolt may be sufficient.

  In addition, when the width of the opening 13 is large, it is not necessary to provide only one sag control means 24 at the center between the left and right sides of the case 2. The drooping suppression means 24; 24... May be arranged at equal intervals in the left-right direction.

When the opening / closing body of the opening / closing device to which the present invention is applied is the shutter curtain 4, the configuration is not limited to a mode in which a plurality of so-called slats are arranged in the vertical direction, but also a pipe, a panel, a sheet-like object, or a net. A shutter curtain having an aspect in which one or a plurality of objects are continuously provided, or a shutter curtain in which slats, panels, pipes, sheets, and nets are appropriately combined may be used. The present invention can also be applied to a so-called overhead type shutter curtain.
That is, the opening / closing body is not only wound up, but the drive shaft is supported on the left and right side plates, for example, like a panel shutter in which a plurality of panels are suspended by a chain, etc. The member may be accommodated by being folded or arranged.

Moreover, the case cover of the opening / closing body accommodation case of this invention should just be the structure which has the upper-plate part which covers the upper part of the opening / closing body accommodated in the accommodation space. That is, the case cover that is the subject of the present invention does not require until it covers almost all of the opening / closing body accommodated in the accommodation space, for example, a configuration that does not cover most of the lower part of the opening / closing body. It may be a case cover.
Further, the case cover of the opening / closing body housing case, the drooping suppression means, the left side plate, and the mounting portion to which the right side plate is attached are typically building frames, but may be, for example, simple frame members. good. That is, the attachment portion may be a portion having rigidity capable of supporting the opening / closing body housing case and the opening / closing body.

  The present invention relates to a shutter case for an opening / closing device such as a door, a sliding door including a shutter, a sash window, a blind, a gate, a gate, a sliding wall device, a roll screen device, an awning device, a disaster prevention door device, a smoke proof banner and a smoke proof wall. It is applicable to.

1 Shutter device (opening / closing device), 2 Opening / closing body housing case, 3 building,
4 shutter curtain (opening / closing body), 13 opening, 23 case cover,
24 drooping suppression means, 51 one end side member, 52 other end side member,
52t The other end of the other end side member, 53 connecting means, 55 attachment site, 56 other end side member connecting portion, 60 lower surface of the upper plate portion of the case cover, 61 one end side member connecting portion,
62 Case cover support.

Claims (10)

An opening / closing body accommodating case provided with an accommodating space for accommodating an opening / closing body that opens and closes the opening provided above the opening of the building,
A left side plate attached to a housing located above the left end of the opening;
A right side plate attached to the housing located above the right end of the opening;
A case cover having an upper plate covering the upper part of the opening / closing body housed in the housing space;
One end side is attached to the housing located above the opening, and the other end side extends in a direction approaching the front of the upper plate portion to support the lower surface of the upper plate portion, thereby suppressing the drooping of the case cover. With sagging suppression means,
The upper plate portion of the case cover includes a rear upper plate portion and a front upper plate portion,
The front upper plate portion has an inclined surface that is inclined downward from the front upper plate portion to the front from the front end of the rear upper plate portion.
The other end of the sagging suppression means is above the upper edge of the outer peripheral edge of the left side plate corresponding to the upper surface of the upper plate part or the upper edge of the outer peripheral edge of the right side plate corresponding to the upper surface of the upper plate part. In this state, the case cover is connected to the housing, the left side plate, and the right side plate, so that the case cover support portion that is the other end side of the drooping suppression means is the upper plate of the case cover. It is configured to support the lower surface of the upper plate portion of the case cover provided to be elastically deformed by being pressed by the lower surface of the portion,
An opening / closing body housing case, wherein the other end of the sagging suppression means is located in front of the rearmost of the rear upper plate part and rearward of the forefront of the rear upper plate part. The upper plate portion of the case cover includes an upper frame,
The upper frame extends in the direction along the upper edge of the opening and is inclined to the front side so that the rear frame is extended to the upper end side. With
The opening / closing body accommodation case according to claim 1, wherein a rear end side which is an upper end side of the rear upper plate portion is connected to the connection portion provided on a front end side of the upper frame.   The rear upper plate portion is formed with an engagement piece on the rear end side, and the connecting portion of the upper frame engages with the engagement piece to restrict the upward movement of the rear upper plate portion. The opening / closing body accommodation case according to claim 2, comprising:   The rear upper plate portion is formed with an engagement piece on the rear end side, and the connection portion of the upper frame engages with the engagement piece to restrict the movement of the rear upper plate portion forward and backward. The opening / closing body accommodation case according to claim 2, further comprising a restriction piece.   The connection portion of the upper frame is configured as an engagement groove portion, and the rear end side of the rear upper plate portion is configured as an engagement piece that engages with the engagement groove portion. The opening / closing body accommodating case according to claim 2, wherein the upper frame and the rear upper plate portion are connected by engaging with a groove portion. A left end side is rotatably supported by the left side plate and a right end side is rotatably supported by the right side plate and includes a shaft that winds up the opening and closing body,
6. The structure according to claim 1, wherein the other end of the sagging suppression means is configured to be positioned closer to the front end side of the upper plate portion of the case cover than the rotation center of the shaft. The opening / closing body accommodating case according to one item.   The rear upper plate portion and the front upper plate portion are connected to the left plate, an upper plate portion of the left cover, an upper plate portion of the right cover connected to the right plate, and an upper plate portion of these left covers. The opening / closing body accommodating case according to any one of claims 1 to 6, wherein the opening / closing body accommodating case is configured by an upper plate portion of a connection cover that connects an upper plate portion of the right cover. The sagging suppression means includes one end side member, the other end side member, and a connecting means for connecting the one end side member and the other end side member,
The one end side member includes an attachment portion attached to the housing, and the other end side member connecting portion extending in a direction approaching the front of the rear upper plate portion from the attachment portion attached to the housing,
The other end side member is connected to the other end side member connecting portion of the one end side member by the connecting means, and in front of the rear upper plate portion from the one end side member connecting portion. The opening / closing body housing case according to any one of claims 1 to 7, further comprising a case cover support portion that extends in a direction of approach and supports a lower surface of the upper plate portion. Said connecting means, the other end member connecting portion of the one end side member from the building frame as capable of changing the length to the other end of the other end member when the sag suppressing means attached to said skeleton The opening / closing body accommodation case according to claim 8, wherein the opening / closing body accommodation case is a means for connecting the one end side member connecting portion of the other end side member. The connecting means includes a long hole formed in the one end side member, a screw hole formed in the other end side member, and a screw that passes through the long hole and is fastened to the screw hole. or, alternatively, claims, characterized in that it is constituted by a nut which is fastened to the one end side member and the other end member and the respectively formed through holes and the bolt and the bolt is passed through the through holes The opening / closing body accommodation case of claim | item 8 or claim 9.

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