JP2011226093A - Scaffolding board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffolding board which has its main body connected with baseboards and is capable of storing the baseboards when the scaffolding board and the baseboards are integrated together and no baseboard is used, no clearance being produced between the scaffolding board and the baseboards and the width of passage being not reduced when using the baseboards.SOLUTION: The scaffolding board comprises: roll screen-like baseboards 20 each of which contains a winder in a casing 27 and can take up and pull out a sheet 25; a scaffolding board body 3 which has on its back side a storage section 15 for storing the baseboard bodies 20; and connectors 40a each of which supports the baseboard 20, is rotatably connected to the scaffolding board body 3, makes the baseboard 20 erect on one of side faces 8 and 9 of the scaffolding board body, and can store the sheet 25 in one of the side faces 8 and 9 of the scaffolding board body. When using the baseboards 20, the sheets 25 are pulled out until they contact the side faces 8 and 9 of the scaffolding board body and made erect on the side faces 8 and 9 of the scaffolding board body. When using no baseboard, the sheets 25 are stored in the casings 27 and then stored in the storage section 15.

Description

The present invention relates to a scaffold board provided with a base board, and more particularly to a scaffold board in which the base board is integrated with a scaffold board body and the base board can be stored compactly.
In the present invention, unless otherwise specified, the side surface of the scaffold board main body refers to the side surface in the longitudinal direction, and the front or rear of the scaffold board main body refers to either the left or right when the longitudinal side surface is viewed from the front. .

  For scaffolds used at construction sites, etc., measures to prevent falls from the scaffolds and to prevent objects from falling are required based on the occupational safety and health regulations. One of these fall and fall prevention measures is the installation of skirting boards. Many sites have used scaffold boards for skirting boards, but this method requires tools and requires time to install the skirting boards. In addition, since it is installed at an angle while avoiding interference with the cross braces, the width of the work passage is narrowed, and the usage amount of the scaffolding plate is increased, resulting in an increase in construction cost.

  As a solution to the problem of the conventional method of fixing the scaffolding board with a wire or the like to make a baseboard, it can be attached to the baseboard with a hook or the scaffolding board body with a wedge structure and a pin detachably. There is a scaffold board provided with a skirting board (see, for example, Patent Document 1 and Patent Document 2).

  The baseboards described in Patent Document 1 and Patent Document 2 can be attached easily, but when stored, it is necessary to store the scaffolding board and the baseboard separately, and a separate space for storing the baseboard is also required It becomes. As these are inconvenient, the baseboard and the scaffold board main body are connected and integrated, and when the baseboard is not used, a scaffold board for storing the baseboard on the back side of the scaffold board main body has been proposed (for example, Patent Documents). 3).

Japanese Patent No. 3869277 Japanese Patent No. 3846915 JP-A-8-128192

  In the scaffolding plate described in Patent Document 3, the skirting board and the scaffolding board main body are connected and integrated, and when the skirting board is not used, the skirting board can be stored on the back side of the scaffolding board main body. It is easy to install and does not require a storage space for skirting boards. The scaffold board described in Patent Document 3 can store the skirting board on the back side of the scaffold board body when the skirting board is not used, but the skirting board is stored as it is. If the skirting board can be stored in a compact manner, the size of the storage portion is reduced. Therefore, it is not necessary to make the scaffold board main body have a special structure and shape, and it is easy to put it into practical use. In addition, it is more preferable that the skirting board can be stored in a compact manner, and when the skirting board is used, the skirting board can be erected at a height higher than the width of the scaffold board body.

  The purpose of the present invention is to allow the baseboard to be compactly stored when the baseboard is connected and integrated with the scaffold board body and the baseboard is not used, and when using the baseboard, there is a gap between the baseboard and the baseboard. Another object is to provide a scaffold plate that does not narrow the passage width.

  The present invention described in claim 1 is a scaffolding board having a winding device built in a casing and capable of winding and pulling out a sheet, and having a storage section for storing the baseboard on the back side. A main body, and a connecting tool that supports the baseboard and is pivotally connected to the scaffold board main body, the baseboard standing on the side surface of the scaffold board main body and storing the baseboard in the storage portion. When the skirting board is used, the sheet is pulled up to the side part of the scaffolding board main body until it comes into contact with the side part of the scaffolding board main body, and when the baseboard is not used, the sheet is stored in the casing. Then, the scaffolding plate is stored in the storage unit.

  According to a second aspect of the present invention, in the scaffold plate according to the first aspect, the casing has a size that does not protrude from the scaffold plate main body when stored in the storage portion.

  According to a third aspect of the present invention, in the scaffold plate according to the first or second aspect, the storage portion is provided at a central portion in a short direction when the short direction of the scaffold plate body is viewed from the front. It is characterized by.

  According to a fourth aspect of the present invention, in the scaffold plate according to any one of the first to third aspects, the coupling member is configured such that a coupling member that couples the casing and the scaffold plate main body can be expanded or contracted. And the skirting board can be erected at a height equal to or higher than the width of the scaffold board body.

  A scaffold board according to the present invention is a scaffold board in which a base board and a scaffold board main body are connected and integrated. Since the base board is a roll screen-like base board, a width is easily obtained without requiring a tool. You can install trees. Further, the scaffold board according to the present invention is also a retractable scaffold board that can store the skirting board on the back side of the scaffold board body, and since the skirting board is a roll screen and is compact, the size of the storage part on the back side of the scaffold board body is large. The thickness can be reduced. This eliminates the need for the scaffold plate body to have a special structure and shape, and is easy to put into practical use. In addition, when using a skirting board, the seat is pulled up to the side part of the scaffolding board body until it touches the side part of the scaffolding board body, so there is no gap between the scaffolding board and the skirting board, and the width Since the wood is positioned so that the sheet is in contact with the side surface of the scaffold plate body, the passage width is not reduced even if the sheet is pulled out.

  According to the present invention, since the casing has a size that does not protrude from the scaffold board main body when stored in the storage section of the scaffold board main body, the skirting board does not get in the way when stacking the scaffold boards. For this reason, it is preferable to save the space when the scaffold board is stored in a warehouse or the like.

  Further, according to the present invention, the storage part of the scaffold board main body is provided in the center part in the short direction when the short direction of the scaffold board main body is viewed from the front. The width can be approximately half of the width. For this reason, the height of a baseboard can be made high enough.

  Further, according to the present invention, the connecting member is capable of expanding or contracting or folding the connecting member that connects the casing and the scaffold board body, and can raise the baseboard to a height that is equal to or higher than the width of the scaffold board body. It can be suitably used for a scaffolding plate for which the height of the baseboard is desired to be sufficiently high. It is necessary to increase the height of the baseboard according to the height of the connector, and there is concern about storage, but when the baseboard according to the present invention is not used, the sheet is wound and stored. Storage on the back side is easy.

It is a perspective view of scaffold board 1 as a 1st embodiment of the present invention, and is a figure showing the state where skirting board 20 was stored. It is sectional drawing which shows typically the formation point of the accommodating part 15 to the scaffolding board main body 3 of FIG. It is a perspective view which shows the state which has enabled the baseboard 20 of the scaffold board 1 of FIG. It is the elements on larger scale which looked at the state which makes the baseboard 20 of the scaffold board 1 of FIG. 1 usable from the front side of the scaffold board main body. It is a perspective view of the scaffold board | plate 1 of FIG. 1, and is a figure which shows the state which raised the baseboard 20 on the both sides | surfaces of the scaffold board main body. It is a modification of the scaffold board 1 of FIG. 1, and is a figure which shows typically the structure of the long arm part 48a of a connecting rod.

  FIG. 1 is a perspective view of a scaffold board 1 as a first embodiment of the present invention, and shows a state in which a skirting board 20 is stored. FIG. 2 is a cross-sectional view schematically showing how to form the storage portion 15 in the scaffold board body 3. FIG. 3 is a perspective view showing a state in which the skirting board 20 can be used, and FIG. 4 is a partially enlarged view of the base board 20 as seen from the front side of the scaffold board body. FIG. 5 is a perspective view of the scaffold board 1 and shows a state in which the skirting boards 20 are erected on both side surfaces of the scaffold board main body. In the present embodiment, the left and right are the left and right when the front surface 6 of the scaffold board body 3 is viewed from the front, and the front and rear are the front of the scaffold board body 3 when the left side surface 8 is viewed from the front. The 6 side is referred to as the front, and the rear surface 7 side of the scaffold board body 3 is referred to as the rear.

  The scaffold board 1 includes an elongated scaffold board body 3, a pair of left and right skirting boards 20, and a connector 40 that rotatably connects the left and right skirting boards 20 to the scaffold board body 3, and the skirting board 20 and the scaffold board. It is a scaffold plate that is connected and integrated with the main body 3. Further, when the skirting board 20 is not used or when the scaffolding board 1 is stored, the skirting board 20 can be stored in the storage portion 15 on the back side of the scaffolding board main body 3, and when the skirting board 20 is used, the skirting board 20 can be stored. Is also a scaffolding board 1 provided with a retractable skirting board 20 that stands out from the storage unit 15 and is used upright.

  The scaffold board main body 3 has an elongated plate-like shape, and is provided with a recessed storage part 15 for storing the left and right skirting boards 20 on the back side (bottom face 11). Although the storage board 15 is provided in the scaffold board main body 3, except this storage part 15, there is no place different from the scaffold board main body conventionally used in the construction site etc. As shown in FIGS. 2 (a) and 2 (b), the structure of the scaffold board body 3 includes a scaffold board body 3 attached to a frame 16 and reinforced with a reinforcing member 18 as a whole. There is a scaffolding plate body 3 formed of a plate, and the material is made of steel, aluminum, etc. Further, a slip stopper is provided on the upper surface 10 of the scaffolding plate body, or many through holes are drilled in the upper surface 10. There are various scaffold board main bodies 3 such as a scaffold board main body. However, the present invention is not limited to a specific scaffold board main body 3 as long as the recessed storage portion 15 for storing the left and right baseboards 20 can be formed on the back side.

  The storage unit 15 is provided with a rectangular storage unit 15 below the central portion in the short direction when the short side direction of the scaffold board body 3 is viewed from the front. The storage portion 15 is formed so as to pass through the longitudinal direction of the scaffold plate body 3 from the front surface 6 to the rear surface 7 of the scaffold plate body 3. In the present embodiment, the storage unit 15 has a rectangular shape as viewed from the front of the scaffold plate body 3 in the short direction, but may have a trapezoidal shape or an arc shape. Needless to say, the shape of the storage portion 15 needs to be a shape that can store the left and right skirting boards 20, but the distance between the upper end 19 of the storage portion 15 and the upper surface 10 of the scaffold board body 3 is as small as possible. A shape that is large and easy to process is preferred. If the distance between the upper end 19 of the storage portion 15 and the upper surface 10 of the scaffolding board main body 3 is increased, the strength of the scaffolding board main body 3 is hardly affected.

  When the scaffold board main body 3 is made of a solid material, for example, when it is made of a single board, the bottom face 11 of the scaffold board main body 3 may be processed into the shape of the storage portion 15. In the case where the body 16 and the reinforcing member 18 are used, the storage portion 15 can be formed by processing only the beam members 5 provided at the front and rear. In addition, when the reinforcing material 18 is in the way, it is necessary to cut out the corresponding part, but arranging the reinforcing material 18 so as not to cut the reinforcing material 18 as much as possible ensures the strength of the scaffold plate body 3, It is preferable from the viewpoint of ease of processing. Note that it is efficient for the storage unit 15 to provide one storage unit 15 having a size capable of storing the left and right skirting boards 20 at the same time. When the storage unit 15 having a size capable of storing 20 simultaneously cannot be provided, storage units 15a and 15b capable of storing the left and right baseboards 20 may be provided. The position of the storage unit 15 is a large factor that determines the height of the skirting board 20, and the height of the skirting board 20 can be increased by providing it at the center in the short direction. FIG. 2 shows how the storage unit 15 is formed. 2A shows a case where one storage unit 15 having a size capable of storing the left and right baseboards 20 at the same time is provided. FIG. 2B shows a storage unit 15a capable of storing the left and right baseboards 20; 15b is provided.

  The skirting board 20 has a roll screen-like structure, and includes a sheet 25 that substantially functions as a skirting board, and a casing 27 that houses a winding device (not shown) that winds and stores the sheet 25. A rod body 29 is attached to the end portion. The sheet 25 is thin and made of a material having durability and flexibility. The width of the sheet 25 is the same as the length L in the longitudinal direction of the scaffold plate body 3, and the length of the sheet 25 is that of the scaffold plate 29 attached to the distal end portion in a state where the connector 40 is raised. It has a length that reaches the bottom surface 11 of the main body 3. The pair of left and right skirting boards 20 are the same.

  The casing 27 incorporates a winding device (not shown) including a winding pipe (not shown) and a winding coil spring (not shown), and one end of the seat 25 is connected to the winding pipe, A force is always applied to the take-up pipe in the direction of winding the sheet. The winding device is not limited to a specific structure, and when the skirting board 20 is not used, that is, when no force is applied in the direction in which the sheet 25 is pulled out, or the drawn sheet 25 is fixed. When there is no sheet, the sheet 25 is stored in the winding casing 27, and when the skirting board 20 is used, when the sheet 25 is pulled, the winding is released and the sheet 25 is pulled out. Further, it may be a winding device in which a lock mechanism is built in, the sheet 25 is locked in a state of being pulled out, and the lock is released when the sheet 25 is pulled downward and the sheet 25 is wound up. Many roll screens using such a winding device have been conventionally used. For example, JP-A-6-193372, http://jp.os-worldwide.com/products/osscreen/front/spring/lt It is described in .html.

  The rod 29 attached to the end of the sheet 25 prevents the sheet 25 from entering the casing 27, and serves as a handle for pulling out the sheet 25 when the skirting board 20 is used. 3 is engaged with a latching portion (not shown) provided on the left side surface 8 and the right side surface 9 to serve as a hook for fixing the seat 25, and further serves as a weight. Alternatively, the rod body 29 may be a magnet, which may be attracted to the left side surface 8 and the right side surface 9 of the scaffold plate body 3 to fix the sheet 25.

  The connection tool 40 is a member for supporting the baseboard 20 and rotatably connecting the baseboard 20 to the scaffold board body 3. The connecting tool 20 includes an L-shaped connecting rod 46 (46a, 46b) and a support pin 42 (42a, 42b) that rotatably connects the connecting rod 46 to the scaffold plate body 3. Both ends of the casing 27 of the skirting board 20 are attached to the distal ends of the long arm portions 48 (48a, 48b) of the two connecting rods 46, and the distal ends of the short arm portions 50 (50a, 50b) are interposed via the support pins 42. The scaffold plate body 3 is pivotally attached to the front and rear end portions of the front plate 6 and specifically to the side surface and the vicinity of the bottom surface. Therefore, the skirting board 20 can be rotated clockwise or counterclockwise around the support pin 42 with the distance connecting the support pin 42 and the casing 27 as a radius.

  The connecting rod 46 may be linear considering only the support of the baseboard 20, the storage of the baseboard 20 in the storage portion 15 of the scaffold board body 3, and the standing of the baseboard 20, but the support pin 42 is Since it is attached to the end portions of the front surface 6 and the rear surface 7 of the scaffold board main body 3, when the connecting rod 46 is linear, when the connecting rod 46 is raised and the sheet 25 is pulled out, the seat 25 becomes the side surface 8 of the scaffold board main body. , 9 will enter slightly inside. In order to use the scaffold board body 3 more effectively, when the seat 25 is pulled out, the rod 29 attached to the tip of the seat 25 is lowered below the upper surface 10 of the scaffold board body 3 so that the seat 25 is It is preferable that there is no gap between the sheet 25 and the side surfaces 8 and 9 of the scaffolding plate main body, in contact with the side surfaces 8 and 9 of the plate main body 3. If the connecting rod 46 is L-shaped, the sheet 25 can be taken out from the support pin 42 by the length of the short arm portion 50, so that the sheet 25 contacts the side surfaces 8 and 9 of the scaffold plate main body and It can be set as the state without a clearance gap between the sheet | seat 25 and the side surfaces 8 and 9 of a scaffold board main body.

  When the skirting board 20 is not used or when the scaffold board body 3 is used but the skirting board 20 does not need to be used, the skirting board 20 is stored in the storage section 15 of the scaffold board body 3 as shown in FIG. Keep it. At this time, since the casing 27 of the skirting board 20 has a size that does not protrude from the bottom surface 11 of the scaffold board body 3, the skirting board 20 is not obstructed and the skirting board 20 is not damaged. In addition, it is preferable to provide a lock device that fixes the coupling tool 40 so as not to rotate in a state where the skirting board 20 is stored in the storage portion 15 of the scaffold board body 3. The locking device can be realized, for example, by attaching a small hook to a part of the casing 27 and providing the scaffolding plate body 3 with a latching portion for latching the hook. Further, it is preferable to use a locking device comprising a projection with a built-in urging spring and a receiving portion into which the projection is fitted, such as roller tightening, because fixing and releasing can be easily performed. Further, a magnet may be used for the locking device, and the casing 27 may be attracted to the scaffold plate body 3 by using magnetic force. The locking device may be provided on the support pin 42 or the connecting rod 46.

  When the skirting board 20 is used, as shown in FIGS. 3 and 4, the connecting tool 40 is erected so that the long arm portion 48 of the connecting rod 46 is orthogonal to the upper surface 10 of the scaffold board main body 3. Also here, the connecting tool 40 is fixed to the scaffolding plate body 3 using a locking device as necessary. From the state in which the connecting tool 40 is erected, the seat 25 is pulled out using the rod 29 attached to the end of the seat 25, and both ends of the rod 29 are hooked on the latching portions provided on the scaffold plate body 3. This fixes the sheet. At this time, the seat 25 is positioned so as to contact the side surfaces 8 and 9 of the scaffold board main body as shown in FIGS. 4 and 5, so that the passage width of the scaffold board main body 3 is not reduced, and the seat 25 and the scaffold board are further reduced. A gap cannot be formed between the main body 3 and a small article such as a bolt can be reliably prevented from falling. In the state where the sheet 25 is pulled out and the rod 29 is fixed, the sheet 25 is always pulled by the winding device toward the casing 27 or the movement of the sheet 25 is locked. It is in a stretched state. In this way, the use of the roll screen-like baseboard 20 makes it possible to easily create the same state as when a thin plate is attached.

The height of the skirting board when the skirting board 20 is erected (the distance between the tip of the skirting board and the upper surface 10 of the scaffold board main body 3) H is the length of the long arm portion 48 of the connecting rod L1, and the casing 27 When the diameter is D, and the distance between the upper surface 10 of the scaffold plate body 3 and the support pin is h, it is expressed by the equation (1).
H = L1 + Dh (1)
Therefore, in order to increase the height H of the baseboard when the baseboard 20 is erected, it is important to increase the length L1 of the long arm portion 48 of the connecting rod. Since L1 + D is substantially the same as the distance from the side surfaces 8 and 9 of the scaffolding board body 3 to the storage part 15, the case where the storage part 15 is provided in the center part of the scaffolding board body 3 becomes the maximum and the width of the scaffolding board body 3 It is possible to make it approximately half of. For example, in the case of a scaffold plate main body having a width of 500 mm and a height of 40 mm that has been widely used in the past, L1 + D is about 250 mm and h is about 30 mm, so H can be about 220 mm.

  In the above-described embodiment, the length of the long arm portion 48 of the connecting rod 46 is fixed. However, the long arm portion 48 of the connecting rod has a telescopic mechanism and a folding mechanism, and can be stored when the baseboard 20 is stored. Alternatively, the long arm portion 48 may be contracted and the long arm portion 48 may be extended when used. FIG. 6 shows an example of a connecting rod 46a provided with an expansion / contraction mechanism. 6A and 6B are views for explaining the structure, in which FIG. 6A is a partial plan view of a plane, and FIG. 6B is a broken sectional view as seen from the front side.

  The long arm portion 48a of the connecting rod has three channel steel members 52a, 54a, and 56a having different sizes, and is formed to be extendable. Moreover, the slit-shaped steel member 52a, 54a, 56a is provided with the slit 58a which the sheet | seat 25 and the rod 29 move. Further, guides 60a (60b not shown) connected to the rod body 29 are provided at both ends of the rod body 29, and the guide 60a moves in the channel steel members 52a, 54a, and 56a. One end of the slit 58a is provided so as to coincide with the side surface of the scaffold plate body when the connecting rod 46a is erected, and when the sheet 25 is pulled out, the sheet 25 is formed on the side surface 8 of the scaffold plate body using the slit 58a as a guide. Move down to touch. By providing the guide 60a that moves in the channel steel members 52a, 54a, 56a, the sheet 25 can be moved more stably, and both ends of the sheet 25 are also channel steel members 52a, 54a, 56a. Therefore, even if an external force is applied to the sheet 25, it is difficult to be deformed.

  In some folding mechanisms, a plurality of short bars are pivotably connected to each other with pins so that they can be folded. By increasing the length L1 of the long arm portion 48 of the connecting rod, it is possible to increase the height H of the baseboard when the baseboard 20 is erected as can be seen from the equation (1). The length of the seat 25 needs to be substantially the same as the length L1 of the long arm portion 48 of the connecting rod, and the length of the seat 25 increases as the length L1 of the long arm portion 48 of the connecting rod increases. There is a need to. When the skirting board is formed of a single board, the skirting board having a width equal to or larger than the width of the scaffolding board body 3 jumps out from the back side of the scaffolding board body 3 during storage. Since it is a roll screen-like skirting board, even if the length of the sheet 25 is increased, the sheet 25 can be wound up so that it can be made very compact during storage, and can be easily stored on the back side of the scaffold board body 3. is there. Thus, by providing the long arm portion 48 of the connecting rod with an expansion / contraction mechanism and a folding mechanism, the height H of the baseboard when the baseboard 20 is raised can be set to be equal to or larger than the width of the scaffold plate body 3.

  Further, when the long arm portion 48 of the connecting rod is an expansion / contraction mechanism or a folding mechanism, the skirting board 20 is raised without lowering the seat 25, so that the lower part (height 15 cm or more and 40 cm or less), the middle person (height 35 cm or more) 50 cm or less) or a handrail (height 85 cm or more).

  As shown in the above embodiment, the scaffolding board according to the present invention is a scaffolding board in which a baseboard and a scaffolding board main body connected to each other via a connector are integrated, and the baseboard is a baseboard. Since it is a roll screen-like baseboard, it is possible to easily install the baseboard without using a tool. Further, the scaffold board according to the present invention is a retractable scaffold board that can store the baseboard on the back side of the scaffold board body, and can be said to be an easy-to-use scaffold board that can easily store the baseboard. Another advantage of this scaffolding board is that it is lightweight because the baseboard has a roll screen shape. The scaffold plate according to the present invention is not limited to the above-described embodiment, and can be changed as appropriate without departing from the scope of the gist. For example, a rod attached to the end of the sheet may be hooked on the connector.

DESCRIPTION OF SYMBOLS 1 Scaffold board 3 Scaffold board main body 8 Left side surface 9 of scaffold board main body Right side surface 10 of scaffold board main body Upper surface 11 of scaffold board main body Bottom surface 15, 15a, 15b of scaffold board main body Storage 20 Skirting board 25 Sheet 27 Casing 29 Rod 40, 40a, 40b Connector 46 46a, 46b Connecting rod 48 48a, 48b Long arm portion 50 50a, 50b Short arm portion 52a, 54a, 56a Channel steel member 60a Guide

Claims (4)

A roll screen-shaped skirting board that incorporates a winding device in the casing and can wind and pull out a sheet;
A scaffold board body having a storage portion for storing the baseboard on the back side;
A support that supports the skirting board and is pivotally connected to the scaffold board main body, the base board standing on the side surface of the scaffold board main body and storing the skirting board in the storage unit,
When the skirting board is used, the sheet is stood up on the side part of the scaffolding board main body until it comes into contact with the side part of the scaffolding board main body, and when the baseboard is not used, the sheet is stored in the casing. After that, the scaffold board is stored in the storage unit.   The scaffold plate according to claim 1, wherein the casing has a size that does not protrude from the scaffold plate body when stored in the storage unit.   The scaffolding board according to claim 1 or 2, wherein the storage part is provided at a central part in the lateral direction when the transverse direction of the scaffolding board main body is viewed from the front.   The connecting tool is characterized in that a connecting member for connecting the casing and the scaffold board main body can be expanded or contracted, and the baseboard can be raised to a height equal to or higher than the width of the scaffold board main body. Item 4. The scaffold plate according to any one of Items 1 to 3.

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