JPH0671652U - Reinforcing bar temporary stop - Google Patents

Abstract

(57) [Abstract] [Purpose] To obtain a temporary reinforcing bar fastener that can be easily attached and that can easily adjust the horizontalness of the horizontal reinforcing bar. [Structure] A horizontal reinforcing bar supporting portion 2 and 3 which bends a flexible metal wire and laterally movably supports a locking portion 1 locked to a vertical reinforcing bar T and a horizontal reinforcing bar Y. To form. Four holding pieces 1a in which the locking portions 1 are arranged side by side with a predetermined interval
1d and connecting portions 1e to 1g for connecting the sandwiching pieces. The sandwiching pieces 1a to 1d are dispersedly arranged on both sides of the vertical reinforcing bar T, and the temporary reinforcing bar of the reinforcing bar is locked to the vertical reinforcing bar.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a temporary reinforcing bar fastener for temporarily fixing a horizontal reinforcing bar to a vertical reinforcing bar when assembling a reinforcing bar for concrete by connecting the horizontal reinforcing bar to the vertical reinforcing bar.

[0002]

[Prior art]

 When assembling a conventional reinforcing bar for concrete, first, a plurality of vertical reinforcing bars are set up at a predetermined interval, and then two workers hold each end of the horizontal reinforcing bar and then After pushing the horizontal reinforcing bar against the vertical reinforcing bar so that it crosses the reinforcing bar, two workers connect the horizontal reinforcing bar and the vertical reinforcing bar at the intersection of the vertical reinforcing bar and the horizontal reinforcing bar near both ends of the horizontal reinforcing bar, The horizontal reinforcing bar and the vertical reinforcing bar were connected at each intersection of the other vertical reinforcing bar and the horizontal reinforcing bar.

[0003]

[Problems to be solved by the device]

 However, when assembling the reinforcing steel bar for concrete in this way, there was a problem that the workability was low because two workers were required. Also, when assembled in this way, the horizontalness of the horizontal rebar cannot be confirmed until after partial connection, and the horizontalness of the horizontal rebar appears after completing some connections. If it is found that there is no such thing, it is necessary to loosen the wiring of the already connected portion and shift the position of the horizontal reinforcing bar, which causes a problem of complicated assembly work.

An object of the present invention is to provide a temporary reinforcing bar fastener that enables a person to easily assemble a reinforcing reinforcing bar for concrete and can easily adjust the horizontalness of the horizontal reinforcing bar before connection.

[0005]

[Means for Solving the Problems]

 According to the first aspect of the present invention, a plurality of vertical rebars standing at a predetermined interval and a horizontal rebar arranged so as to intersect with the plurality of vertical rebars are provided at the intersection of the vertical rebars and the horizontal rebars. Before fixing and connecting the horizontal reinforcing bars to the vertical reinforcing bars, the temporary reinforcing bars for temporary reinforcing bars are targeted for improvement. It is composed of a horizontal reinforcing bar support that is movably supported on the. The locking portion is composed of at least three sandwiching pieces arranged in parallel with a predetermined gap and a connecting portion connecting the at least three sandwiching pieces. Further, at least three sandwiching pieces are arranged on both sides of the vertical reinforcing bar so as to sandwich the vertical reinforcing bar with a force that does not fall off the vertical reinforcing bar, and the horizontal reinforcing bar supporting portion is sandwiched between the connecting piece or the connecting portion. To be installed.

According to the second aspect of the present invention, one flexible metal wire is bent to form a temporary reinforcing bar fastener.

[0007]

[Action]

 When using the reinforcing bar temporary fixing device according to the first aspect of the present invention, the pre-locking portion is preliminarily provided at a position where an intersection with the horizontal reinforcing bar is formed for at least two vertical reinforcing bars selected from a plurality of vertical reinforcing bars. Lock. After that, if the horizontal reinforcing bar is placed on the horizontal reinforcing bar supporting portion, the vertical reinforcing bar and the horizontal reinforcing bar can be temporarily fixed. Therefore, one worker can assemble the reinforcing reinforcing bar for concrete, and the workability of the assembling work can be improved. Also, after confirming the horizontalness of the horizontal reinforcing bars after temporary fixing, the reinforcing bars for concrete can be easily assembled by connecting the vertical reinforcing bars and the horizontal reinforcing bars at the intersections of the vertical reinforcing bars and the horizontal reinforcing bars. Also, since the locking part is composed of at least three sandwiching pieces arranged side by side at a prescribed interval, if it is found that the horizontal rebar is not level after temporary fixing, the sandwiching The position of the horizontal reinforcing bar can be easily adjusted only by shifting the piece along the vertical reinforcing bar. As in the invention of claim 2, by bending a single flexible metal wire to form the temporary reinforcing bar fastener, the temporary reinforcing bar fastener of the invention of claim 1 can be easily manufactured.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a reinforcing bar temporary fixing tool according to an embodiment of the present invention, and FIG. 2 is a perspective view of a reinforcing bar temporarily fixed using the reinforcing bar temporary fixing tool according to the present embodiment. The temporary reinforcing bar fastener of the present embodiment is formed by bending one flexible steel wire, and is provided with a locking portion 1 that is locked to a vertical reinforcing bar and two horizontal reinforcing bars supporting the horizontal reinforcing bar. And parts 2 and 3. The locking portion 1 is formed by bending six holding pieces 1a to 1d, which are arranged in parallel at a predetermined interval, and connecting portions 1e to 1g, which connect the holding pieces, at substantially right angles so that they are arranged on substantially the same plane. Has been formed. As shown in detail in FIG. 2, the sandwiching pieces 1a and 1d located at both ends in the vertical direction are arranged on one side in the radial direction of the vertical reinforcing bar T, and the sandwiching pieces 1b and 1c located in the central portion are the vertical reinforcing bars. The reinforcing bar temporary stopper, which is arranged on the other side in the radial direction of T, is locked to the vertical reinforcing bar T. Due to its flexibility, each sandwiching piece holds the vertical reinforcing bar with a force such that the temporary reinforcing bar stopper does not fall off the vertical reinforcing bar T. If an even number of holding pieces are formed as in the present embodiment, and the holding pieces 1a and 1d located at both ends of the locking portion 1 in the vertical direction are formed longer than the holding pieces 1b and 1c located in the central portion, the rebar temporary The locking portion 1 can be locked to the vertical reinforcing bar T only by inserting the stopper into the vertical reinforcing bar T from one direction (arrow A in FIG. 2).

The horizontal reinforcing bar support portions 2 and 3 are integrally provided at one ends of the sandwiching pieces 1a and 1d, respectively. The horizontal reinforcing bar supporting portions 2 and 3 have a V-shape, and the first horizontal reinforcing bar supporting piece 2a extends downward from a virtual plane on which the sandwiching pieces 1a to 1d and the connecting portions 1e to 1g are located. , 3a and second horizontal reinforcing bar supporting pieces 2b, 3b which are continuous with the first horizontal reinforcing bar supporting piece and extend upward from the ends thereof. As shown in FIG. 2, the horizontal reinforcing bars Y, Y extend across the first horizontal reinforcing bar supporting pieces 2a, 3a and the second horizontal reinforcing bar supporting pieces 2b, 3b with the locking portion 1 locked to the vertical reinforcing bars. The horizontal reinforcing bar supporting portions 2 and 3 support the horizontal reinforcing bars Y and Y, respectively. The first horizontal reinforcing bar support pieces 2a and 3a are formed to be slightly longer than the combined length of the diameter of the vertical reinforcing bar T and the diameter of the horizontal reinforcing bar Y so that the horizontal reinforcing bar Y can move laterally. The horizontal reinforcing bar supporting portion 2 and the horizontal reinforcing bar supporting portion 3 are formed at positions such that the upper and lower horizontal reinforcing bars supported by the horizontal reinforcing bar supporting portions have appropriate intervals as reinforcing reinforcing bars for concrete.

In order to temporarily fix the reinforcing bar using the reinforcing bar temporary fixing tool of the present embodiment, first, a predetermined vertical reinforcing bar selected from a plurality of vertical reinforcing bars is placed at a position where an intersection with the horizontal reinforcing bar is formed. Lock the locking part 1 of the rebar temporary stopper. For example, when the vertical reinforcing bars are installed at 120 cm intervals, the temporary reinforcing bar fastener of this embodiment may be locked to the vertical reinforcing bars every 1440 cm (one in 12 bars). In order to lock the locking portion 1 to the vertical rebar, the clamping pieces 1a and 1d are arranged on one side of the vertical rebar T in the radial direction as described above, and the clamping pieces 1b and 1c are arranged in the radial direction of the vertical rebar T. The temporary reinforcing bar fastener may be inserted into the vertical reinforcing bar T in the direction of arrow A in FIG. 2 so as to be arranged on the other side. Then, the horizontal reinforcing bars are placed over the horizontal reinforcing bar supporting portions 2, 2 or 3, 3 of the two temporary reinforcing bars of the reinforcing bars which are respectively locked at the corresponding positions of the two vertical reinforcing bars. When it is found that the horizontal rebar is not level after the temporary fixing, the sandwiching pieces 1a to 1d are displaced along the vertical rebar T to adjust the position of the horizontal rebar. After connecting the vertical reinforcing bar and the horizontal reinforcing bar at the intersection of the vertical reinforcing bar and the horizontal reinforcing bar with a wire or the like, pull the reinforcing bar temporary stopper in the direction of arrow B shown in Fig. 2 to remove the temporary reinforcing bar from the reinforcing bar. be able to.

FIG. 3 is a perspective view of a reinforcing bar temporarily fixed by using a temporary reinforcing bar fastener according to another embodiment of the present invention. In the temporary reinforcing bar fastener of this embodiment, a horizontal reinforcing bar supporting portion is provided at the connecting portion 11g that connects the holding piece 11c and the holding piece 11d. The connecting portion 11g is formed so as to form a substantially arc-shaped curve protruding in one direction from a virtual plane on which the sandwiching pieces 11a to 11d and the connecting portions 11e and 11f are located. The horizontal reinforcing bar Y is formed in such a shape and size that it can move laterally in the state of being locked to. In order to temporarily fix the reinforcing bar using the reinforcing bar temporary fixing device of this embodiment, the clamping pieces 11a and 11d are arranged on one side in the radial direction of the vertical reinforcing bar, and the clamping pieces 11b and 11c are arranged in the radial direction of the vertical reinforcing bar. Insert the reinforcing bar temporary fastener into the vertical reinforcing bar T so as to be arranged on the other side of the side and lock the reinforcing bar temporary fixing tool to the vertical reinforcing bar T, and then connect the horizontal reinforcing bar Y between the vertical reinforcing bar T and the connecting portion 11g. Insert it into the space and place the horizontal reinforcing bar Y on the connecting portion 11g.

In each of the above-described embodiments, the holding portion is formed by four holding pieces, but the number of holding pieces is arbitrary as long as the holding portion is formed by at least three holding pieces. Further, in each of the above-mentioned embodiments, the sandwiching pieces 1a and 1d are arranged on one side in the radial direction of the vertical reinforcing bar, and the sandwiching pieces 1b and 1c located in the center are arranged on the other side in the radial direction of the vertical reinforcing bar. However, the method of arranging the sandwiching pieces can be appropriately selected as long as the sandwiching pieces are dispersedly arranged on both sides of the vertical reinforcing bars and the vertical reinforcing bars are sandwiched by a force that does not fall off the vertical reinforcing bars. Further, although one or two horizontal reinforcing bar supporting portions are provided in each of the above-described embodiments, the present invention is not limited to this, and three or more horizontal reinforcing bar supporting portions may be provided. In the case of providing three horizontal reinforcing bars, two locking parts to be locked to the vertical reinforcing bars are provided in the up-and-down direction, above the upper locking part, and a part connecting the two locking parts. The horizontal reinforcing bar support portions may be formed below the lower locking portions.

[0014]

[Effect of device]

 According to the invention of claim 1, after the locking portion is locked in advance at the position where the intersection with the horizontal reinforcing bar is formed with respect to the predetermined vertical reinforcing bar selected from the plurality of vertical reinforcing bars, the horizontal reinforcing bar is Since the vertical reinforcing bar and the horizontal reinforcing bar can be temporarily fixed only by placing them on the horizontal reinforcing bar supporting portion, one worker can assemble the reinforcing reinforcing bar for concrete and the workability of the assembling work can be improved. Further, since the locking portion is composed of at least three sandwiching pieces arranged side by side at a predetermined interval, it is possible to easily adjust the position of the horizontal reinforcing bar simply by shifting the sandwiching piece along the vertical reinforcing bar. it can.

According to the second aspect of the present invention, since one flexible metal wire is bent to form the temporary reinforcing bar fastener, the temporary reinforcing bar fastener of the first aspect can be easily manufactured. You can

[Brief description of drawings]

FIG. 1 is a perspective view of a reinforcing bar temporary stopper according to an embodiment of the present invention.

FIG. 2 is a perspective view of a reinforcing bar temporarily fixed by using the temporary reinforcing bar fastener of the embodiment of the present invention.

FIG. 3 is a perspective view of a reinforcing bar temporarily fixed by using a reinforcing bar temporary fixing device according to another embodiment of the present invention.

[Explanation of symbols]

 1,11 Locking part 1a-1d, 11a-11d Clamping piece 1e-1g, 11e-11g Connecting part 2,3 Horizontal reinforcing bar support part

Claims (2)

[Scope of utility model registration request] 1. A plurality of vertical reinforcing bars set up at a predetermined interval and a horizontal reinforcing bar arranged so as to intersect with the plurality of vertical reinforcing bars are connected at an intersection of the vertical reinforcing bars and the horizontal reinforcing bars. Prior to doing, it is a rebar temporary fixing tool used for temporarily fixing the horizontal rebar to the vertical reinforcing bar, wherein the rebar temporary fixing tool is a locking portion that is locked to the vertical reinforcing bar and the horizontal reinforcing bar in the lateral direction. A horizontal reinforcing bar supporting portion that is movably supported on the locking portion, and the locking portion includes at least three holding pieces that are arranged in parallel at a predetermined interval and a connecting portion that connects the at least three holding pieces. It is configured such that the at least three sandwiching pieces are arranged on both sides of the vertical rebar in a dispersed manner to hold the vertical rebar with a force that does not fall off the vertical rebar, and the horizontal rebar support portion is the Must be provided on the holding piece or the connecting part Rebar temporary stop to the features. 2. The temporary reinforcing bar fastener according to claim 1, wherein the temporary reinforcing bar fastener is formed by bending a flexible metal wire.