JP3152828U - Scaffolding base mounting device - Google Patents

Abstract

An object of the present invention is to provide a baseboard attachment device for a scaffold that can be attached and fixed easily and is inexpensive. SOLUTION: A lower extension part integrally formed at one end of a semicircular arc-shaped lower engagement part that is wound approximately half a turn around a vertical support column 21, and is integrally formed by bending upward at the end part. Thus, the upper end portion is integrally formed with the fixing portion 30 having the spring property in the direction of the vertical column 21, and the extension portion 32 having the upward spring property bent in the direction of the vertical column 21 is provided. Further, the upper end of the extension part 32 extends obliquely upward with respect to the horizontal and is integrally formed with the end part of the upper extension part 34 integrally formed. The engaging portion 36 and a grip portion integrally formed at the end thereof are arranged. While holding the skirting board 24 between the vertical support column 21 and the upper end part of the fixing part 30 and the lower end part of the extension part 32, the holding skirting board 24 is moved in the direction of the vertical supporter 21 due to the spring property of the fixing part 30. The baseboard 24 is attached and fixed by pressing. [Selection] Figure 3

Description

  The present invention relates to a skirting board attaching device for attaching and fixing a skirting board to a support column in a temporary scaffolding at a construction site, a civil engineering site, a demolition site or the like, for example.

  Conventionally, a temporary scaffold is installed at a construction site, a civil engineering site, a demolition site, and the like, and this type of temporary scaffold is configured as shown in FIG. 7, for example. That is, as shown in FIG. 8, the temporary scaffold 1 includes a plurality of vertical columns 2 arranged side by side and a horizontal column 2A between these vertical columns 2 and between these horizontal columns 2A. It includes a scaffolding plate 10 by a hook portion 12, a brace for reinforcement 3 that is slanted between the vertical struts 2, and a handrail 4 that is horizontally stretched between the vertical struts 2. Has been. The handrail 4 is disposed on the back side opposite to the building in the temporary scaffold 1, and the baseboard 5 having a longitudinal direction in the left-right direction is a side end of the scaffold board 10 on the back side. Attached to the section along the length direction of the scaffold board 10, and by this width definition 5, an operator who works on the scaffold board 10, tools mounted on the scaffold board 10, etc. Falling from the back side of the temporary scaffold 1 is prevented. (See paragraph 0030 of FIG. 1 and FIG. 1).

JP 2009-41328 A

  By the way, the above-mentioned fixing of the baseboard 5 is conventionally performed, for example, by fixing the baseboard 5 to the support with a wire or attaching and fixing the baseboard 5 to the support using a special clamp, and connecting the baseboards 5 with a special connecting member. To be done.

  For example, as shown in FIG. 8, the special clamp K is configured such that a cylindrical member 14 having a shape in which a cylinder is vertically divided at one place is externally fitted to the vertical support column 2, and the cylindrical members 14 are respectively separated on both sides of the vertically divided portion. Bolts are inserted into the bolt insertion holes 16a and 16b of the bolt insertion portions 15a and 15b provided, and the cylindrical member 14 is fixed to the vertical column 2 by tightening the cylindrical member 14 to the vertical column 2 by screwing the nut, and the cylindrical member 14 is fixed. The baseboard 5 erected along the end portion of the scaffolding plate 10 is held and fixed from the side of the scaffolding plate 10 by an L-shaped holding rod 17 having one end secured to the scaffolding plate 10. Further, as shown in FIG. 9, the connecting portion of the baseboard 5 is covered with a connecting member J formed by bending a flat plate into a U-shaped cross section from above the joint portion of the continuously arranged baseboard 5. The skirting boards 5 are connected to each other.

  However, with the above-described fixing of the baseboard using the wire, it takes time and labor to fix the wire, and skill is required to tighten the wire at a high place, so only a limited number of skilled workers can work. There has been a problem that the work of installing the temporary scaffolding becomes heavy and the work efficiency is hindered.

  Further, when the above-described special clamp K or connecting member J is used, it takes a lot of time and effort to perform bolting by installing both semi-cylindrical members 14A of the base 14 of the clamp K at predetermined positions of the vertical column 2. In addition, in order to connect the skirting board 5, in addition to the special clamp K, the lower cross-section U-shaped connecting member J must be prepared separately, which has a problem in terms of cost.

  An object of the present invention is to provide a low-cost mounting device that does not require skill in mounting work so that the baseboard can be easily fixed.

  In order to achieve the above-described object, in the present invention, a plurality of vertical columns arranged in parallel in the vertical direction and a plurality of horizontal columns arranged in parallel in the horizontal direction, and an operator walks or tools between the columns. In the scaffolding baseboard mounting device for attaching and fixing the baseboard for preventing fall from the side surface along the scaffolding plate, a temporary scaffolding provided with a scaffolding plate that is laid horizontally to mount etc., A semi-arc-shaped engaging portion having a spring property that is made of a metal wire and is wound around the vertical strut approximately half a round and is engaged with the vertical strut, and is integrally formed by extending horizontally at the end of the engaging portion. And an extended portion that extends upward or downward at the end of the extended portion and is integrally formed and curved in an arch shape so that the tip approaches the vertical support, and is springy in the direction of the vertical support A fixing portion having an engaging portion, and engaging the engaging portion with the vertical column. In this state, while holding the skirting board between the vertical column and the tip of the fixed part, the fixed board is pressed in the direction of the vertical column by pressing the skirting board in the holding state. It is characterized by being attached and fixed (claim 1).

  Further, the present invention comprises the engaging portion as a lower engaging portion and the extending portion as a lower extending portion, respectively, and the fixing portion is formed to extend upward at an end portion of the extending portion, An extension part that extends further upward at the upper end of the fixed part and is integrally formed, the tip part is bent in the direction of the vertical column and has an upward spring property, and the tip of the extension part is obliquely upward with respect to the horizontal. An upper extension portion that is integrally formed by extending, and a semicircular arc shape that is integrally formed at the end portion of the upper extension portion and has a spring property that is wound around the vertical strut and is engaged with the vertical strut. An upper engagement portion, and in a state where both the engagement portions are engaged with the vertical struts, while holding the baseboard between the vertical struts and an upper end portion of the fixing portion, The skirting board is attached by pressing the skirting board in a state of being held by the fixing portion in the direction of the vertical column Optionally a fixed (claim 2).

  Further, in the present invention, the winding directions of the lower engagement portion and the upper engagement portion around the vertical strut may be opposite to each other (Claim 3).

  Moreover, this invention is good also as providing a holding part at the edge part of the said upper engaging part at least (Claim 4).

  Further, the lower extension part and the upper extension part can be held in a state in which at least two baseboards are stacked between the vertical support and the upper end part of the fixing part and the lower end part of the extension part. The length of the protruding portion may be set (claim 5).

  In the present invention, the metal wire may be made of a spring steel wire.

  According to the first aspect of the present invention, the end portion of the extension portion integrally formed with the end portion of the semicircular arc-shaped engagement portion made of a metal wire extends upward or downward, and the tip portion approaches the vertical column. In this way, the fixed portion is integrally formed by bending in a bow shape, so that the distal end portion of the fixed portion can have a spring property in the direction toward the vertical column, and the engagement portion is engaged with the vertical column. , While holding the skirting board between the vertical strut and the tip part having the spring force of the fixing part, the fixing part can press the skirting board in the holding state in the vertical strut direction and attach and fix the skirting board be able to. This makes it possible to attach and fix the baseboard by simply engaging the lower engagement portion with the vertical column, and does not require skill in the attachment work as in the past, and by an inexpensive attachment device made of a metal wire, The skirting board can be easily fixed by holding the skirting board between the vertical column and the upper end of the fixing part.

  Further, in the invention according to claim 2, the spring of the fixed portion is held while the base plate is held between the vertical column and the fixed portion in a state where the lower engaging portion and the upper engaging portion are engaged with the vertical column. Since the baseboard in a clamped state is pressed in the direction of the vertical column due to the property, the baseboard is attached and fixed, so that the baseboard can be attached and fixed simply by engaging the lower engagement portion and the upper engagement portion with the vertical column. The baseboard can be attached and fixed more firmly than in the case where only the mating portion is engaged. At this time, since the distal end portion of the extension portion has an upward spring property, the upper extension portion integrally formed with the extension portion and the upper engagement portion integrally formed with the upper extension portion are upward. In the state where both engaging portions are engaged with the vertical column, the lower engaging portion itself exhibits downward spring properties, and the action of the spring properties of these engaging portions and the fixing portion. Thus, it is possible to effectively press and fix the skirting board to the vertical column.

  In the invention according to claim 3, since the winding directions of the lower engagement portion and the upper engagement portion around the vertical column are opposite to each other, the lower engagement portion and the upper engagement portion are engaged with the vertical column. When the lower engagement portion and the upper engagement portion are twisted in the opposite directions in the winding direction, the lower engagement portion and the upper engagement portion are more firmly engaged with the vertical column. As a result, the baseboard can be attached and fixed more firmly.

  Further, in the invention according to claim 4, since the grip portion is provided at least at the end of the upper engagement portion, the lower engagement portion is held first, and the upper engagement portion is easily engaged with the vertical support column while holding the grip portion. Therefore, even a less skilled worker can more easily attach and fix the skirting board.

  In the invention according to claim 5, since the length of the lower extension part and the upper extension part is set so as to be able to be held in a state in which at least two of the baseboards are stacked, It is possible to connect and fix the baseboard without using a connecting member.

  Further, in the device according to claim 6, since the metal wire is a spring steel wire, the attachment device can be manufactured at low cost only by processing the spring steel.

[BRIEF DESCRIPTION OF THE DRAWINGS] It is a perspective view of one Embodiment of the baseboard attachment apparatus of the scaffold based on this invention. It is a perspective view which shows a state in the middle of attaching the baseboard attaching apparatus of one Embodiment to a vertical support | pillar. It is a perspective view which shows the different state in the middle of attaching the baseboard attaching apparatus of one Embodiment to a vertical support | pillar. It is a perspective view which shows the state which attached the baseboard mounting apparatus of one Embodiment to the vertical support | pillar. It is a perspective view of the state seen from the different direction of FIG. It is a perspective view of the baseboard attachment apparatus of the scaffold which concerns on other one Embodiment of this invention. It is a perspective view of a general hypothetical scaffold. It is a perspective view of the conventional baseboard mounting apparatus. It is a perspective view of the apparatus which connects the conventional baseboard.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a scaffold baseboard mounting device according to the present invention will be described with reference to FIGS. 1 is a perspective view, FIG. 2 is a perspective view showing a state in the middle of being attached to the vertical column, FIG. 3 is a perspective view showing a different state in the middle of being attached to the vertical column, and FIGS. 4 and 5 are attached to the vertical column. It is a perspective view from a different direction in each state.

  As shown in FIGS. 1 to 5, for example, among a plurality of vertical columns 21 (equivalent to the vertical column 2 in FIG. 8) and horizontal columns 22 (equivalent to the horizontal column 2A in FIG. 8) constituting a temporary scaffold in a construction site A scaffolding baseboard mounting device for holding a plate-like baseboard 24 (equivalent to the baseboard 5 of FIG. 8) between the vertical struts 21 and fixing it is composed of a lower engaging portion 26 and a lower extending portion 28. , A fixed portion 30, an extension portion 32, an upper extension portion 34, an upper engagement portion 36, and lower and upper gripping portions 38 a and 38 b. In addition, 40 is a scaffold board equivalent to the scaffold board 10 of FIG.

  The lower engagement portion 26 is bent by a spring steel wire, which is a metal wire, in a semicircular arc shape having a curvature that is substantially the same as or slightly larger than the diameter of the vertical column 21 so that the lower engagement unit 26 is wound around the vertical column 21 approximately half a round. Formed by processing, extends horizontally to one end of the lower engaging portion 26 to integrally form a lower extending portion 28, bends upward at the end of the lower extending portion 28, and further extends upward. The fixing part 30 is integrally formed.

  Here, the fixed portion 30 is formed in an arcuate shape so that the upper end of the fixed portion 30 approaches the vertical column 21, so that the upper end of the fixed portion 30 has a spring property in the direction of the vertical column 21. Is formed. Note that a lower grip portion 38 a formed by winding a wire rod in a circular shape is integrally formed at the other end portion of the lower engagement portion 26.

  Further, the extension portion 32 is formed integrally with the upper end of the fixed portion 30 so as to extend further upward, and the distal end portion of the extension portion 32 is bent in the vertical column direction. Is formed with springiness in the upward direction. An upper extension 34 is formed at the tip of the extension 32 so as to extend obliquely upward with respect to the horizontal, and an upper engagement portion 36 is integrally formed at the end of the upper extension 34. Yes. The upper engaging portion 36 is wound in the opposite direction with respect to the vertical column 21 in a semicircular direction, and is a spring steel wire that is a metal wire in a semicircular arc shape having a curvature that is substantially the same as or slightly larger than the diameter of the vertical column 21. Is formed by bending. And since the front-end | tip part of the extension part 32 has upward spring property, the upper extension part 34 integrally formed in this extension part 32, and the upper engagement part integrally formed in this upper extension part 34 36 has an upward spring property. Note that, similarly to the lower gripping portion 38a, an upper gripping portion 38b formed by winding a wire is integrally formed at the end of the upper engaging portion 36.

  Then, by engaging the lower and upper engaging portions 26 and 36 with the vertical column 21, the base plate 24 is held between the vertical column 21 and the fixed unit 30, and the spring property of the fixed unit 30 is narrowed. The skirting board 24 in the holding state is pressed in the direction of the vertical column 21, and the skirting board 24 is attached and fixed to the vertical column 21. At this time, the lower engagement portion 26 and the upper engagement portion 36 are engaged with the vertical column 21. When the lower engagement portion 26 and the upper engagement portion 36 are wound around the vertical support column 21, the action of torsional forces in opposite directions is combined, and the lower engagement portion 26 itself is a downward spring. The skirting board 24 is fixed by exerting a pressing force that effectively presses the skirting board 24 against the vertical column 21 by the action of the spring properties of the engaging portions 26 and 36 and the fixing part 30. At this time, the skirting board 24 is vertical at three locations where the lower engagement portion 26 is the first action point, the upper engagement portion 36 is the second action point, and the tip of the fixed portion 30 is the third action point. It will be pressed against the column 21 and held in a fixed state.

  Therefore, according to the above-described embodiment, the engaging portions 26 and 36 are engaged with the vertical support column 21, so that the base plate 24 is held between the vertical support column 21 and the fixing unit 30, and the fixed portion In order to press and fix the skirting board 24 in the direction of the vertical column 21 by the spring force of the distal end portion 30, the lower engagement portion 26 and the upper engagement portion 36 are engaged with the vertical column. Thus, it is possible to easily attach and fix the skirting board 24 easily without requiring skill in the attaching operation as in the prior art. In addition, since an inexpensive spring steel wire is used as the metal wire, it is possible to provide a skirting board mounting apparatus that is easy to process and easily exhibits spring properties, and that is very inexpensive and practical.

  Further, when the lower engagement portion 26 and the upper engagement portion 36 are wound around the vertical struts 21 in opposite directions, the lower engagement portion 26 and the upper engagement portion 36 are engaged with the vertical struts 21. As a result, twisting forces in the opposite directions in the winding direction of the lower engaging portion 26 and the upper engaging portion 36 act on the lower engaging portion 26 and the upper engaging portion 36 to more firmly engage the lower engaging portion 26 and the upper engaging portion 36 with the vertical column 21. As a result, the skirting board 24 can be attached and fixed more firmly.

  Furthermore, since the lower gripping portion 38a and the upper gripping portion 38b are provided at the ends of the lower engaging portion 26 and the upper engaging portion 36, respectively, the lower engaging portion is first held while gripping both the gripping portions 38a and 38b. 26, and then the upper engaging portion 36 can be easily engaged with the vertical support column 21, and the handling becomes easy, so that even a less skilled worker can attach and fix the skirting board 24 more easily. can do.

  The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention. For example, the winding directions of the lower engagement portion 26 and the upper engagement portion 36 with respect to the vertical column 21 may be the same.

  Further, as shown in FIG. 6, the extension portion 32, the upper extension portion 34, the upper engagement portion 36, and the grip portion 38 in the above-described embodiment are omitted, and the lower engagement portion 26, the lower extension portion 28 and the fixed portion are fixed. The lower engagement portion 26 may be used in the opposite direction, that is, the lower engagement portion 26 may be disposed on the upper side so that the fixing portion 30 faces downward. Also good.

  Further, the lower grip 38a need not be particularly provided, and may be configured to include only the upper grip 38b.

  Further, the lengths of the lower extension portion 28 and the upper extension portion 34 may be set so as to be able to be held in a state where at least two baseboards 24 are overlapped. It is possible to attach and fix the two baseboards 24 in a connected state without using a special connecting member J or the like as in the past with respect to the connecting portion of the wood 24, and it is inexpensive to combine and fix. It is possible to provide a device having a simple structure.

  Moreover, if the dimension from the fixing | fixed part 30 to the extension part 32 is set according to the width dimension of the skirting board 24 and the thing of a several dimension is prepared, several types of skirting board 24 from which a width dimension differs will be attached and fixed. It becomes possible to do.

  Furthermore, the material and the wire diameter of the metal wire may be selected according to the required spring force. For example, in the case of spring steel, a material having a diameter of 3.0 mm is both a view point of ease of processing and spring force. To preferred. Moreover, the material used as the metal wire is not limited to the above-described spring steel, and any wire may be used as long as it is a strong material and has a strong elastic force (spring force).

  The present invention is not limited to a construction site, and can be used as a baseboard attachment device for attaching and fixing a baseboard to a support column in a temporary scaffold in a civil engineering site and a dismantling site.

21 Vertical strut 24 Skirting board 26 Lower engagement portion 28 Lower extension portion 30 Fixed portion 32 Extension portion 34 Upper extension portion 36 Upper engagement portion 38b Upper gripping portion

Claims (6)

A plurality of vertical pillars arranged in parallel in the vertical direction and a plurality of horizontal pillars arranged in parallel in the horizontal direction, and a scaffold horizontally installed between the pillars so that an operator can walk or place tools, etc. A temporary scaffolding comprising a board, wherein the scaffolding baseboard mounting device for fixing and fixing a baseboard for fall prevention from the side surface along the scaffolding board,
A semicircular arc-shaped engaging portion made of a metal wire and having a spring property that is substantially half-wrapped around the vertical column and engaged with the vertical column;
An extending portion integrally extending and extending horizontally at the end of the engaging portion;
A fixed portion that extends upward or downward at the end of the extending portion and is integrally formed and has a tip that is curved in an arch shape so as to approach the vertical column and has a spring property in the direction of the vertical column. ,
While the engagement portion is engaged with the vertical column, the width plate is sandwiched between the vertical column and the distal end of the fixing unit, and the base plate held by the fixing unit is held. A baseboard mounting apparatus for a scaffold, wherein the baseboard is attached and fixed by pressing in the direction of the vertical column. The engaging portion is a lower engaging portion, the extending portion is provided as a lower extending portion, and the fixing portion is formed to extend upward at an end portion of the extending portion,
An extension part that extends upward further to the upper end of the fixed part and is integrally formed, and the tip part is bent in the direction of the vertical column and has a spring property upward,
An upper extension part integrally formed by extending obliquely upward with respect to the horizontal at the tip of the extension part;
A semicircular arc-shaped upper engagement portion integrally formed at an end portion of the upper extension portion and wound around the vertical column substantially half-circularly and having a spring property to be engaged with the vertical column;
While the both engaging portions are engaged with the vertical struts, the baseboard is sandwiched between the vertical struts and the upper end portion of the fixing portion and is held by the fixing portions. The scaffolding baseboard attaching device according to claim 1, wherein the baseboard is attached and fixed by pressing the baseboard in the direction of the vertical column. The scaffolding skirting board attaching device according to claim 2, wherein the lower engaging portion and the upper engaging portion are wound around the vertical column in opposite directions. The scaffolding base mounting device for a scaffold according to claim 2 or 3, further comprising a grip portion at least at an end portion of the upper engagement portion. The lower extension part and the upper extension part are sandwiched between the vertical support and the upper end part of the fixed part and the lower end part of the extension part in a state where at least two skirting boards are stacked. The scaffold baseboard mounting device according to any one of claims 2 to 4, wherein the length of the scaffold is set. The scaffolding base mounting apparatus for a scaffold according to any one of claims 1 to 5, wherein the metal wire is made of a spring steel wire.

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