Morning Glory Device

Abstract

To provide a morning glory device which can be easily installed without moving a temporary scaffold up and down, and can maintain the standing angle of a face material from a horizontal plane even in unexpected strong winds.SOLUTION: A morning glory device includes a mounting base (12), a pair of left and right diagonal members (14), an upper horizontal beam (16), a lower horizontal beam (18), a face material (22), and a cheek support material (24). An upper accommodation recess (26) for accommodating the upper edge of the face material (22) is provided inside the upper horizontal beam (16) forming a framework (20). A lower accommodation recess (28) for accommodating the lower edge of the face material (22) is provided inside the lower horizontal beam (18) forming the framework (20). Also, at both left and right ends of the upper horizontal beam (16) and the lower horizontal beam (18), there are provided a pair of upper and lower shaft fixing portions (30), to which a shaft member (32) for fixing both left and right ends of the sheet-like face material (22a) is removably attached.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a morning glory device in which a facing material is installed on the outer surface of a temporary scaffold so as to protrude obliquely upward in order to prevent materials, tools, etc. from falling to the ground at a construction site such as the construction or repair work of medium- and high-rise buildings.

Background Art

[0002] Conventionally, there is a device of this type described in the following Patent Document 1 (Japanese Patent No. 5999539). The prior art is configured as follows. At a predetermined height position of two columns erected at a predetermined interval on a temporary scaffold, a connecting member in a U-shape in plan view with the side opposite to the building being open is attached. Two short cylinders for fitting the lower end portions of the vertical members of the square tubular frame of the sheet mounting frame are attached to this connecting member so as to be tiltable and rise in the building side direction. On the outer surfaces of these short cylinders on the side of the opposing connecting member, U-shaped protrusions in plan view are provided. An outward U-shaped member provided laterally outside the lower horizontal member of the frame is fitted over the U-shaped protrusions in plan view, and a wedge is inserted so that the lower horizontal member of the frame is connected to the connecting member. Further, lock pins biased by spiral springs are attached to the outer surfaces of both of the above short cylinders, and both short cylinders and both vertical members of the square tubular frame are connected by the lock pins. On the other hand, at both ends of the upper horizontal member of the sheet mounting frame, bottomed short cylinders having inverted U-shaped members for attaching upper strings at the upper ends are fixed with the bottom sides facing up, and lock pins biased by spiral springs are provided at the lower portions of the opposing surfaces of both bottomed short cylinders. Then, the upper portions of the left and right vertical members of the frame and the upper horizontal member are connected by this lock pin. On the building side surfaces of the upper and lower horizontal members of the frame and the left and right square tubular vertical members, a required number of mesh sheet latching pins are provided respectively. By passing all of these latching pins through a retainer attached around the periphery of the mesh sheet, the mesh sheet, which is a facing material, is fastened to the sheet mounting frame. Above the middle position of the left and right square tubular vertical members, an attachment piece for the upper end portion of the support member is fixed in a hanging manner, and the upper end portion of a support member having an inverted U-shaped member for attaching a lower string at the lower end portion or in the middle of the length of the support member on the column side is swingably attached to the attachment piece for the upper end portion of the support member. At a position below the connecting member attachment position of the left and right square tubular vertical members, support member lower end holding members are attached to the two columns, and two strings attached to both inverted U-shaped members for attaching upper strings are hooked from above on the top crossbar and lowered, and are attached to both inverted U-shaped members for attaching lower strings.

[0003] According to such a technique, it is said that "a temporary morning glory device is provided that enables a person to easily perform the folding and extending operations of the morning glory panel and further enables the sheet (which is a facing material) to be easily removed on-site."

Prior Art Documents

Patent Documents

[0004] Patent Document 1 Japanese Patent No. 5999539 Summary of the Invention Problems to be Solved by the Invention

[0005] However, the above prior art has the following problems. That is, only a sheet-like object (mesh sheet) can be used as the facing material. When using a panel-like object, a completely different object from the above must be prepared as a framework (frame) composed of upper and lower horizontal members of the frame and left and right corner tubular frame vertical members. For this reason, there has been a problem that the inventory management of the morning glory device becomes complicated and the economic efficiency deteriorates. Therefore, the main object of the present invention is to provide a morning glory device that can use both a sheet-like object and a panel-like object as the facing material, is easy to manage inventory, and is excellent in economic efficiency. Means for Solving the Problems

[0006] To achieve the above object, the present invention configures a morning glory device as follows, for example, as shown in FIGS. 1 to 4. That is, a mounting base 12 installed at a predetermined height on a plurality of columns 100 erected at intervals on the front side of a temporary scaffold, a pair of left and right diagonal members 14 whose base ends are connected above the mounting base 12 and installed in a forwardly inclined state, an upper cross bar 16 erected at the tips of the pair of left and right diagonal members 14, a lower cross bar 18 erected at the base ends of the pair of left and right diagonal members 14, a facing material 22 fixed to a substantially square framework 20 assembled with the diagonal members 14, the upper cross bar 16, and the lower cross bar 18, and a rod-shaped cheek support member 24 whose tip is connected below the diagonal member 14 and whose base end is connected below the connection point of the diagonal member 14 on the mounting base 12 to support the diagonal member 14 from below. The upper cross bar 16 forming the above framework 20 includes the upper rail body 16a having a substantially U-shaped cross-sectional shape in the width direction orthogonal to the longitudinal directionOn the inside, an upper accommodation recess 26 for accommodating the upper end edge of the above-mentioned facing material 22 is provided. Also, the lower horizontal bar 18 forming the above-mentioned framework 20 includes the lower rail body 18a having a substantially inverted J-shaped cross-sectional shape with the lower side being the long side in the width direction orthogonal to the longitudinal direction On the inside, a lower accommodation recess 28 for accommodating the lower end edge of the above-mentioned facing material 22 is provided. Further, at both left and right ends of the above-mentioned upper horizontal bar 16 and the above-mentioned lower horizontal bar 18, a pair of upper and lower shaft fixing parts 30 are provided, and shaft members 32 for fixing both left and right ends of a sheet-like facing material 22a are detachably attached to the shaft fixing parts 30 As the above-mentioned facing material 22, both a sheet-like facing material 22a made of a flexible sheet material and a panel-like facing material 22b made of a hard material can be used characterized by this. In identifying the present invention, the side with the temporary scaffold (the right side in FIGS. 1 and 2) is referred to as "rear (base)", and the side with the morning glory device 10 protruding from the temporary scaffold (the left side in FIGS. 1 and 2) is referred to as "front (tip)". Also, "left and right" refer to the left and right as viewed from the front.

[0007] In the present invention, since both base ends of the diagonal member 14 and the crutch member 24 supporting it from below are attached to one mounting base 12, when installing the morning glory device on the temporary scaffold, it can be installed without moving the scaffold up and down. Also, an upper accommodation recess 26 for accommodating the upper end edge of the facing material 22 is provided inside the upper horizontal bar 16, and a lower accommodation recess 28 for accommodating the lower end edge of the facing material 22 is provided inside the lower horizontal bar 18. Therefore, when the facing material 22 is panel-shaped, by simply accommodating the upper and lower end edges of the panel-shaped facing material 22b in the upper accommodation recess 26 and the lower accommodation recess 28 respectively, the attachment of the facing material 22b to the framework 20 is completed. On the other hand, when the facing material 22 is sheet-shaped, after attaching shaft members 32 to both left and right ends of the sheet-shaped facing material 22a, by simply attaching the shaft members 32 to the left and right shaft fixing parts 30, the attachment of the facing material 22a to the framework 20 is completed without changing the framework 20.

[0008] In the present invention, it is preferable to attach at least one of an upper facing material pressing member (not shown) that is installed between the diagonal members 14 and supports the above-mentioned facing material 22 from above, or a lower facing material pressing member (not shown) that is installed between the diagonal members 14 and supports the above-mentioned facing material 22 from below, in the middle of the longitudinal direction of the pair of left and right diagonal members 14. In this case, in addition to being able to effectively prevent the facing material 22 set in the frame 20 from coming off the frame 20, the frame 20 can also be reinforced.

Advantages of the Invention

[0009] According to the present invention, both sheet-like objects and panel-like objects can be used as the facing material, facilitating inventory management and providing a morning glory device with excellent economic efficiency.

Brief Description of the Drawings

[0010]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Modes for Carrying Out the Invention

[0011] Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a morning glory device 10 according to an embodiment of the present invention. FIG. 1A shows the case where a sheet-like facing material 22a is used, and FIG. 1B shows the case where a panel-like facing material 22b is used. Further, FIG. 2 is a perspective view showing a state where the facing material 22 of the morning glory device 10 in FIG. 1 is removed. As shown in these figures, the morning glory device 10 of the present embodiment includes a mounting base 12 installed at a predetermined height on a plurality of columns 100 erected at intervals on the left and right at the front side of a temporary scaffold, a pair of left and right diagonal members 14 whose base ends are connected to the upper side of the mounting base 12 and installed in a forwardly inclined state, an upper cross bar 16 installed at the tips of the pair of left and right diagonal members 14, a lower cross bar 18 installed at the base ends of the pair of left and right diagonal members 14, a facing material 22 fixed to a substantially square frame 20 assembled by the diagonal members 14, the upper cross bar 16, and the lower cross bar 18, and a rod-shaped cheek support member 24 whose tip is connected to the lower side of the diagonal member 14 and whose base end is connected to a position below the connection point of the diagonal member 14 on the mounting base 12 to support the diagonal member 14 from below.

[0012] Here, in the temporary scaffold where the morning glory device 10 is installed, a plurality of front (opposite to the building side) columns 100 are erected at intervals in the left-right direction. Although not shown, rear (building side) columns are erected behind each of the front columns 100. Further, between the front and rear columns, a plurality of brackets (not shown) are installed at a predetermined height position, and a scaffold board is attached between the left and right brackets. And a handrail (not shown) is attached between the left and right columns 100. Note that the temporary scaffold on which the morning glory device 10 is installed is not limited to the above structure and can be applied to any other structure of the temporary scaffold. In addition, in FIG. 1, only the area between the two front columns 100 is shown in the state where the morning glory device 10 is installed. Generally, the morning glory device 10 is installed so as to spread to the left and right areas (not shown). In this case, the mounting base 12 is shared in adjacent areas (compartments).

[0013] The mounting base 12 is a metal fitting installed at a predetermined height of a plurality of columns 100 erected at intervals on the left and right at the front side of the temporary scaffold, and is roughly composed of clamp members 34, a base body 36, a short cylinder member 38, and an angle adjustment mechanism 40 (see Fig. 2).

[0014] The clamp member 34 is a member for fixing the mounting base 12 to the column 100, and in the illustrated embodiment, it is provided at two positions, upper and lower, on the rear surface of the flat base body 36.

[0015] The base body 36 is a metal member for holding the short cylinder member 38 and the angle adjustment mechanism 40, and as described above, it is fixed to the front surface of the column 100 by the clamp member 34 connected to the rear surface. In this embodiment, string attachment portions 36a to which an operation string 44 described later is attached are provided on both left and right side surfaces of this flat base body 36.

[0016] The short cylinder member 38 is a square short cylinder-shaped member that is fixed to the upper part of the base body 36 so as to be swingable in the vertical direction, and the base end portion of the above-mentioned diagonal member 14 is fitted therein to hold the base end portion. In this embodiment, a pair of left and right short cylinder members 38 are provided on the upper side surface of the base body 36.

[0017] The angle adjustment mechanism 40 is a mechanism for fixing and holding the elevation angle of the diagonal member 14, that is, the standing angle of the face member 22 from the horizontal plane, at a predetermined angle by adjusting the fixing position of the base end portion of the crutch member 24 described later in the vertical direction.

[0018] The diagonal member 14 is an angular pipe-shaped long member whose base end portion is connected to the short cylinder member 38 of the mounting base 12 and is installed in a forwardly inclined state. An inverted U-shaped string attachment portion 42 is provided at the tip of this diagonal member 14, and the tip of the operation string 44 is connected to the string attachment portion 42 (see Fig. 1). This operation string 44 is for operating the standing and falling of the diagonal member 14, and is hooked from above on a handrail (not shown) of a temporary scaffold located at a position higher than the tip of the diagonal member 14 and hung downward, and the other end portion thereof is attached to the string attachment portion 36a of the mounting base 12.

[0019] And at a position approximately at the center in the longitudinal direction of the diagonal member 14, a mounting bracket 46 for connecting the tip of a cheek support member 24, which will be described later, to the lower side thereof is fixed.

[0020] The upper horizontal bar 16 is a member that cooperates with the diagonal member 14 to form the upper side of the frame 20 and houses the leading (front) edge of the facing material 22 that is fastened to the frame 20. It has a long upper bar main body 16a with a substantially U-shaped cross-sectional shape in the width direction orthogonal to the longitudinal direction (see FIGS. 2 and 3). And inside the upper bar main body 16a formed in this substantially U shape, an upper housing recess 26 for housing the upper end edge of the facing material 22 is provided (see FIG. 3).

[0021] Also, at both longitudinal ends of the upper bar main body 16a, sheath-shaped link portions 16b for inserting and connecting the tips of the diagonal members 14 are provided. At positions at both longitudinal ends of the upper bar main body 16a adjacent to the link portions 16b, the one on the upper horizontal bar 16 side of a pair of upper and lower shaft fixing portions 30 is provided.

[0022] As shown in FIG. 1A, the shaft fixing portion 30 provided on the upper horizontal bar 16 side is a member for fixing the shaft members 32 attached to both widthwise ends of the sheet-shaped facing material 22a inside the frame 20 in cooperation with the shaft fixing portion 30 on the lower horizontal bar 18 side, which will be described later, when the sheet-shaped facing material 22a is used as the facing material 22. It includes a movable lock pin 30a and a slide member 30b (see FIG. 3).

[0023] The movable lock pin 30a is attached so as to be able to advance and retreat with respect to an opening formed in a vertical piece connecting the upper piece and the lower piece of the upper bar main body 16a, and the tip side thereof is a rod-shaped member that is inserted into and detached from the opening of the longitudinal end face (front end face) of the cylindrical shaft member 32. In the embodiment shown in FIG. 3, among the openings formed in the vertical pieces at both widthwise ends of the upper bar main body 16a, one (the left side in FIG. 3A) is formed in a horizontally long hole shape so that the arrangement position of the movable lock pin 30a can be adjusted in the horizontal direction. For this reason, the sheet-shaped facing material 22a can be stretched with a high tension.

[0024] The slide member 30b is a plate material formed in a substantially L shape so as to cover the vertical piece and the upper piece of the upper crosspiece main body 16a. By sliding in the longitudinal direction of the upper crosspiece main body 16a, it engages with and disengages from the head of the movable locking pin 30a. When the slide member 30b and the head of the movable locking pin 30a are in an engaged state, the movable locking pin 30a is locked so as not to move in the advancing and retreating directions. Conversely, when the slide member 30b and the head of the movable locking pin 30a are in a disengaged state, the advancing and retreating movement of the movable locking pin 30a becomes possible.

[0025] Here, the reference numeral 30c in FIG. 3 is a "knob" for operating the slide member 30b, and the reference numeral 30d is also a "butterfly bolt" that guides the movement of the slide member 30b and fixes the slide member 30b at a predetermined position.

[0026] Although not shown, the head of the movable locking pin 30a is preferably connected to the upper crosspiece main body 16a or the slide member 30b using a wire rope or the like. By doing so, it is possible to prevent the movable locking pin 30a from falling or getting lost.

[0027] In addition, in the upper horizontal crosspiece 16 of the present embodiment, a hook-shaped member 48 that engages with the link portion 16b of the upper horizontal crosspiece 16 constituting the adjacent frame assembly 20 is provided outside one tip of the left and right link portions 16b, and a receiving member 50 that engages with the hook-shaped member 48 of the adjacent frame assembly 20 is provided at the other tip portion. Therefore, adjacent frame assemblies 20 can be connected to each other.

[0028] The lower horizontal crosspiece 18 is a member that cooperates with the diagonal member 14 to form the lower side of the frame assembly 20 and houses the base end (rear end) edge of the facing material 22 that is fastened to the frame assembly 20. It has a long lower crosspiece main body 18a with a substantially inverted J-shaped cross-sectional shape in the width direction orthogonal to the longitudinal direction (see FIGS. 2 and 4). And a lower accommodation recess 28 for accommodating the lower end edge of the facing material 22 is provided inside the lower crosspiece main body 18a formed in this substantially inverted J shape (see FIG. 4).

[0029] In addition, hook-shaped link portions 18b for engaging with the base end portions of the diagonal members 14 and connecting the two are provided at both longitudinal ends of the lower crosspiece main body 18a. At positions of both longitudinal ends of the lower crosspiece main body 18a adjacent to the link portions 18b, the ones on the lower crosspiece 18 side of a pair of upper and lower shaft fixing portions 30 are provided.

[0030] As shown in FIG. 1A, when using the sheet-like facing material 22a as the facing material 22, the shaft fixing portion 30 provided on the lower crosspiece 18 side is a member for fixing the shaft members 32 attached to both widthwise ends of the facing material 22a in the framework 20 in cooperation with the shaft fixing portion 30 on the upper crosspiece 16 side described above, and includes a fixing lock pin 30e (see FIG. 4).

[0031] The fixing lock pin 30e protrudes into the lower accommodation recess 28 from a vertical piece connecting the upper and lower pieces of the lower crosspiece main body 18a. Unlike the movable lock pin 30a described above, it is fixed to the vertical piece so as not to be able to move forward and backward, and its tip side is a rod-shaped member that is inserted into and removed from the opening of the longitudinal end face (base end face) of the cylindrical shaft member 32. In the embodiment shown in FIG. 4, among the fixing lock pins 30e fixed to the vertical pieces at both widthwise ends of the lower crosspiece main body 18a so as not to be able to move forward and backward, one (the right side in FIG. 4A) is such that this fixing lock pin 30e can slide horizontally. Specifically, a horizontally long hole is formed in one of the longitudinal end portions of the vertical piece of the lower crosspiece main body 18a, and a slide member 18c covering the horizontally long hole is attached. Then, the fixing lock pin 30e is fixed to the position of the slide member 18c corresponding to the horizontally long hole by welding or the like. The horizontally movable fixing lock pin 30e configured in this way can stretch the sheet-like facing material 22a with a high tension in cooperation with the horizontally movable movable lock pin 30a described above. In addition, the reference numeral 18d in FIG. 4 is a "knob" for operating the slide member 18c to which the fixing lock pin 30e is fixed, and the reference numeral 18e is a "butterfly bolt" that guides the movement of the slide member 18c and fixes the slide member 18c at a predetermined position.

[0032] In the lower horizontal bar 18 of the illustrated embodiment, a guard plate 18f made of a metal material such as an aluminum alloy is attached. The guard plate 18f extends rearward from the upper piece of the lower bar body 18a, and has a substantially L-shaped cross-sectional shape in the width direction with its tip curved upward. It is configured to fill the gap between the framework 20 and a scaffold (not shown).

[0033] The facing material 22 is fixed to a substantially square framework 20 assembled with a pair of left and right diagonal members 14, an upper horizontal bar 16, and a lower horizontal bar 18, and is for receiving heavy objects falling from above. In the illustrated embodiment, as this facing material 22, as shown in FIG. 1A, for example, a sheet-like facing material 22a made of a flexible sheet material such as a resin sheet, and as shown in FIG. 1B, for example, a panel-like facing material 22b made of a hard material such as an FRP panel can both be used. Among these, in the sheet-like facing material 22a shown in FIG. 1A, loops are formed at both ends in the width direction, and a shaft member 32 is accommodated within these loops.

[0034] Also, when using the sheet-like facing material 22a as the facing material 22, it is preferable to fix the facing material 22a to both front and rear ends of the shaft member 32 using clip members 52 such as packers so that the shaft member 32 accommodated in the loops at both ends in the width direction of the facing material 22a does not fall out of the loops (see FIG. 5).

[0035] The cane member 24 has its tip swingably connected to the lower side of the diagonal member 14 via a mounting bracket 46 substantially at the center in the longitudinal direction of the diagonal member 14, and its base end is connected to an angle adjustment mechanism 40 below the connection portion (short cylindrical member 38) of the diagonal member 14 of the mounting base 12 to support the diagonal member 14 from below. It is a rod-shaped reinforcing member. Note that the connection position of the tip of this cane member 24 to the diagonal member 14 is not limited to the above-described aspect, and may be, for example, the tip of the diagonal member 14.

[0036] Next, when installing the morning glory device 10 of the present embodiment on a temporary scaffold, first, the mounting base 12 is attached to the same height of the left and right columns 100 adjacent to each other in the front row. Subsequently, the base end portion of the diagonal member 14, to which the tip end of the cheek rest member 24 is attached to the mounting bracket 46, is inserted and fixed to the short cylindrical member 38. Then, the lower horizontal bar 18 is installed at the base end portion of the diagonal member 14, and the upper horizontal bar 16 is installed at the tip end portion of the diagonal member 14 to complete the framework 20. Next, the facing material 22 is attached to the completed framework 20. When the facing material 22 is the sheet-like facing material 22a (see Fig. 1A), the base end portions of the shaft members 32 attached to both end portions in the width direction are engaged with the fixed locking pins 30e of the lower horizontal bar 18, and the tip end portions of the shaft members 32 are engaged with the movable locking pins 30a of the upper horizontal bar 16, thereby completing the fixing of the sheet-like facing material 22a to the framework 20. On the other hand, when the facing material 22 is the panel-like facing material 22b (see Fig. 1B), the lower end edge of the panel-like facing material 22b is accommodated in the lower accommodation recess 28 of the lower horizontal bar 18, and the upper end edge of the panel-like facing material 22b is accommodated in the upper accommodation recess 26 of the upper horizontal bar 16, thereby completing the fixing of the panel-like facing material 22b to the framework 20. Then, the operation string 44 is attached to the string attachment portion 42 at the tip end of the diagonal member 14, and the base end portion of the cheek rest member 24 is connected to the angle adjustment mechanism 40, thereby completing the installation of one section of the morning glory device 10.

[0037] According to the morning glory device 10 of the present embodiment, since both base end portions of the diagonal member 14 and the cheek rest member 24 that supports the diagonal member 14 from below are attached to one mounting base 12, the morning glory device can be installed on the temporary scaffold without moving the scaffold up and down. In addition, an upper accommodation recess 26 for accommodating the upper end edge of the facing material 22 is provided inside the upper horizontal bar 16, and a lower accommodation recess 28 for accommodating the lower end edge of the facing material 22 is provided inside the lower horizontal bar 18. Therefore, when the facing material 22 is panel-like, the attachment of the panel-like facing material 22b to the framework 20 is completed simply by accommodating the upper and lower end edges of the panel-like facing material 22b in the upper accommodation recess 26 and the lower accommodation recess 28, respectively. On the other hand, when the facing material 22 is sheet-like, after attaching the shaft members 32 to both left and right ends of the sheet-like facing material 22a, the attachment of the sheet-like facing material 22a to the framework 20 is completed simply by attaching the shaft members 32 to the left and right shaft fixing portions 30 without changing the framework 20. Therefore, both sheet-like and panel-like materials can be used as the facing material 22, enabling easy inventory management and providing the morning glory device 10 with excellent economic efficiency.

[0038] In the above-described embodiment, the framework 20 is shown as being composed of only a pair of diagonal members 14 on the left and right, an upper horizontal bar 16, and a lower horizontal bar 18. However, in the middle of the longitudinal direction of the pair of diagonal members 14 on the left and right, at least one of an upper facing material pressing member (not shown) installed between the diagonal members 14 to support the facing material 22 from above or a lower facing material pressing member (not shown) installed between the diagonal members 14 to support the above-mentioned facing material 22 from below may be attached. By doing so, it is possible to effectively prevent the facing material 22 set in the framework 20 from coming off the framework 20, and in addition, the framework 20 can be reinforced.

[0039] Also, in the above-described embodiment, the pair of shaft fixing portions 30 above and below is shown as being composed of a movable lock pin 30a on the upper horizontal bar 16 side and a fixed lock pin 30e on the lower horizontal bar 18 side. However, the shaft fixing portion 30 may be in any form as long as it can detachably attach (inside the framework 20) a shaft member 32 that fixes the left and right ends of the sheet-like facing material 22a, and is not limited to the above-described form. Naturally, various modifications can be made within the scope that those skilled in the art can envision.

Explanation of Reference Numerals

[0040] 10: Morning glory device, 12: Mounting base, 14: Diagonal member, 16: Upper horizontal bar, 18: Lower horizontal bar, 20: Framework, 22: Facing material, 22a: (Sheet-like) facing material, 24: Cheek rest member, 26: Upper storage recess, 28: Lower storage recess, 30: Shaft fixing portion, 32: Shaft member, 100: Support column.

Claims

1. An attachment base (12) installed at a predetermined height on a plurality of columns (100) erected at intervals on the left and right sides at the front side of the temporary scaffold, A pair of left and right diagonal members (14) whose base ends are connected above the attachment base (12) and installed in a forwardly inclined state, An upper cross bar (16) installed at the tips of the pair of left and right diagonal members (14), A lower cross bar (18) installed at the base ends of the pair of left and right diagonal members (14), A facing material (22) fixed to a substantially square frame (20) assembled by the diagonal members (14), upper cross bar (16) and lower cross bar (18), A rod-shaped cheek support member (24) whose tip is connected below the diagonal member (14) and whose base end is connected below the connection point of the diagonal member (14) on the attachment base (12) to support the diagonal member (14) from below, On the upper cross bar (16) forming the frame (20), an upper accommodation recess (26) for accommodating the upper end edge of the facing material (22) is provided inside an upper cross bar main body (16a) whose cross-sectional shape in the width direction orthogonal to the longitudinal direction is substantially U-shaped, On the lower cross bar (18) forming the frame (20), a lower accommodation recess (28) for accommodating the lower end edge of the facing material (22) is provided inside a lower cross bar main body (18a) whose cross-sectional shape in the width direction orthogonal to the longitudinal direction is substantially inverted J-shaped with the lower side being the long side, and At both left and right ends of the upper cross bar (16) and the lower cross bar (18), a pair of upper and lower shaft fixing portions (30) are provided, and shaft members (32) for fixing both left and right ends of a sheet-shaped facing material (22a) are detachably attached to the shaft fixing portions (30), The morning glory device is characterized in that both a sheet-shaped facing material (22a) made of a flexible sheet material and a panel-shaped facing material (22b) made of a hard material can be used as the facing material (22).

2. In the morning glory device according to Claim 1, At least one of an upper facing material pressing member that is installed between the diagonal members (14) and supports the facing material (22) from above, or a lower facing material pressing member that is installed between the diagonal members (14) and supports the facing material (22) from below is attached in the middle of the longitudinal direction of the pair of left and right diagonal members (14). The morning glory device is characterized by this.

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