JPH0643317Y2 - spacer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a spacer for holding crossed reinforcing bars in an orthogonal arrangement.

(Prior Art) Conventionally, a wide variety of spacers for keeping a distance between a reinforcing bar and a form or a reinforcing bar and a reinforcing bar are commercially available.

For example, for a spacer that holds crossed reinforcing bars, a spacer in which a pair of reinforcing bar holding parts are formed in an orthogonal arrangement has already been known, but this type of spacer is generally a tubular reinforcing bar that holds vertical reinforcing bars. Formed upright on the upper surface of the T-shaped spacer that extends in the orthogonal arrangement of the elongated reinforcing bar holding part that holds the horizontal reinforcing bar at the upper end of the part, and the substantially ring-shaped spacer that is vertically attached to the vertical reinforcing bar. Then, a horizontal rebar was placed on it (Jitsuko Sho 54-43533).

(Problems to be solved by the invention) However, in the above T-shaped spacer, there is a problem in strength because the reinforcing bar holding portion is elongated and elongated, and it is mounted vertically to the vertical reinforcing bar. Be done
In the substantially ring-shaped spacer disclosed in Japanese Patent No. 3533, since it is fitted only to the vertical reinforcing bar, it is easy to shift downward due to the addition of vibration and the weight of the horizontal reinforcing bar. In addition to the above problems, the spacer must be attached so that the holding rod is always on the upper surface, and when the holding rod is attached downward, the horizontal reinforcing bar comes off, and the mounting direction of the spacer was limited. .

In view of such conventional problems, the present invention is capable of reliably holding orthogonally arranged reinforcing bars by a simple means, and the mounting direction is not limited, and one spacer is used to orthogonally intersect in the horizontal direction or the vertical direction. The purpose of the present invention is to provide a spacer that can hold the reinforcing bars to be arranged.

(Means for Solving the Problems) The constitution which is the gist of the present invention for solving the above-mentioned conventional problems and achieving the intended purpose is to provide a horizontally arranged reinforcing bar receiving portion having support legs at both ends. , Arranging a pair of first reinforcing bar insertion holding portions that are opened in relative directions to each other to insert and hold the reinforcing bar,
Horizontal plate portions are respectively arranged on both sides of the central portion of the reinforcing bar receiving portion, and rising portions are erected at the end portions of the respective horizontal plate portions, and the rising portions of the horizontal plate portions are opened in relative directions to each other. A pair of second reinforcing bar insertion holding portions for inserting and holding reinforcing bars that are orthogonal to the reinforcing bars held by the pair of first reinforcing bar insertion holding portions are arranged, and the supporting leg has a substantially cylindrical reinforcing bar fitting portion. A spacer characterized in that it is provided so as to project parallel to the reinforcing bar insertion direction, and the upper end opening of the reinforcing bar fitting part is bored in the horizontal plate part.

And, the pair of the first reinforcing bar insertion holding portion and the second reinforcing bar insertion holding portion, each consisting of a lower holding piece and an upper holding piece,
It is preferable that the lower holding piece and the upper holding piece alternately hold the reinforcing bars to be fitted and held. Also, the pair of first reinforcing bar insertion holding portions and the reinforcing bar fitting portion can be used by holding the crossed reinforcing bars.

(Operation) With the spacer configured as described above, the horizontal crossed reinforcing bars are held by the pair of first reinforcing bar insertion holding portions and the pair of second reinforcing bar insertion holding portions without being limited to the mounting direction of the spacer. Or, it is possible to hold the crossed reinforcing bars in the vertical direction also between the pair of first reinforcing bar insertion holding sections and the reinforcing bar fitting section.

(Embodiment) Next, an embodiment of the present invention will be described in detail with reference to the drawings.

In the figure, 10 is a spacer according to the present invention, and the spacer 10 is integrally molded from a synthetic resin material such as polyethylene. The spacer 10 has horizontally arranged reinforcing bar receiving portions 11 on which parallel reinforcing bars are placed, and a pair of first reinforcing bar inserting and holding means for inserting and holding the reinforcing bars by opening both ends of the reinforcing bar receiving portions 11 in a relative direction to each other. The parts 12, 12 are arranged. Each of the first reinforcing bar insertion holding portion 12 is composed of a lower holding piece 13 and an upper holding piece 14,
On the inner wall surfaces of the lower holding piece 13 and the upper holding piece 14, taper surfaces 13a, 14a and arc surfaces 13b, 14b are formed from the sides to be fitted respectively. The lower holding piece 13 and the upper holding piece 14 are arranged so as to alternately hold the reinforcing bars to be inserted and retained, thereby facilitating the insertion of the reinforcing bars and increasing the area of the reinforcing bars to hold the reinforcing bars. The holding power is enhanced.

Horizontal plate portions 15, 15 are arranged on both sides of the central portion of the reinforcing bar receiving portion 11, and rising portions 16, 15 are provided at the end portions of the horizontal plate portions 15, 15.
16 are erected. Further, reinforcing ribs 17 and 17 are integrally formed on the horizontal plate portions 15 and 15 and the rising portions 16 and 16, respectively.

Further, a pair of second rebars for inserting and holding the respective rebars that are orthogonally arranged to the rebars held in the pair of first rebar rebar insertion holding parts 12 and 12 that are opened in relative directions to the respective rising parts 16 and 16. Fitting holders 18, 18 are provided. Each of the second reinforcing bar insertion holding portion 18 is composed of a lower holding piece 19 and an upper holding piece 20 having the same structure as the first reinforcing bar insertion holding portion 12 described above,
On the inner wall surfaces of the lower holding piece 19 and the upper holding piece 20, taper surfaces 19a, 20a and arcuate surfaces 19b, 20b are formed from the fitting sides, respectively.

A support leg 21 having a tapered and substantially triangular shape is integrally formed on the bottom portion of the reinforcing bar receiving portion 11, and reinforcing rib pieces 22, 22 are located above the center part of the support leg 21 and above the reinforcing bar. Receiver 11
Is formed up to both sides of the bottom part of the
The bottom cross section of 11 has a tapered cross shape. Further, on the end surface of the support leg 21, a substantially cylindrical reinforcing bar fitting portion 23 is provided so as to project in parallel with the reinforcing bar insertion direction, and the upper end opening 23a of the reinforcing bar fitting portion 23 is the horizontal plate portion. It is drilled within 15.

With the above-described structure, the spacer 10 can be integrally molded with a synthetic resin material such as polyethylene.

When using the spacer 10 configured as described above,
As shown in FIG. 1, the spacer 10 is introduced from below the reinforcing bar B intersecting the reinforcing bar A and the reinforcing bar B, the reinforcing bar B is inserted into the reinforcing bar receiving portion 11 of the spacer 10, and a pair of the second reinforcing bars. While arranging the reinforcing bars A in the receiving portions 18, 18, the spacer 1
By rotating 0 to the right and fitting and holding the first reinforcing bar insertion holding portions 12, 12 of the spacer 10 in the reinforcing bar B and the second reinforcing bar holding portions 18, 18 in the reinforcing bar A, the spacers are held. It can be attached to rebar A and rebar B that intersect 10.

Further, as shown in FIG. 2, the reinforcing bar C is held in the reinforcing bar receiving part 11 and the first reinforcing bar insertion holding parts 12, 12, and then the reinforcing bar fitting part 23 is inserted with the reinforcing bar D intersecting with the reinforcing bar C and mounted. You can also

As described above, the spacer 10 according to the present invention can cause the first reinforcing bar insertion holding portions 12 and 12 and the second reinforcing bar insertion holding portions 18 and 18 to hold horizontal crossed reinforcing bars, or the first reinforcing bar insertion holding portion. It is possible to hold the crossed rebars in the vertical direction in the portions 12 and 12 and the rebar-fitting portion 23, so that it is possible to use them in two ways with one spacer.

The present invention is configured and used as described above, but is not limited to the above-described embodiments, and various design changes can be made without departing from the basic technical idea of the present invention. is there.

(Effects of the Invention) The spacer of the present invention is constructed as described above, and has a pair of first reinforcing bar insertion openings that open relative to each other at both ends of a horizontally arranged reinforcing bar receiving portion having supporting legs and retain the reinforcing bars. A holding portion is provided, horizontal plate portions are respectively provided on both sides of the central portion of the reinforcing bar receiving portion, and rising portions are provided upright at the end portions of the respective horizontal plate portions, and the rising portions are respectively provided with the rising portions. A pair of second reinforcing bar insertion holding portions for inserting and holding reinforcing bars orthogonal to the reinforcing bars held in the pair of first reinforcing bar insertion holding portions by opening in relative directions are arranged, and the support leg has a substantially tubular shape. A reinforcing bar fitting part projecting parallel to the inserting direction of the reinforcing bar, an upper end opening of the reinforcing bar fitting part is bored in the horizontal plate part, and the pair of first reinforcing bar fitting holding part and second reinforcing bar fitting part By holding the transversely intersecting reinforcing bars in the holding section, the pair of first reinforcing bar insertion holding section and the second Since both the reinforcing bar insertion and holding section and the reinforcing bars that are arranged orthogonally in the horizontal direction can be inserted and held, the mounting will be reliable and will not shift due to vibration etc., and it will be able to withstand the load due to concrete placing etc. It was decided to get.

Further, the pair of first reinforcing bar insertion holding portion and second reinforcing bar insertion holding portion are respectively configured by a lower holding piece and an upper holding piece, and the reinforcing bars to be fitted and held respectively are alternately held by the lower holding piece and the upper holding piece. With such a structure, it is possible to easily insert the reinforcing bar, and the area of the reinforcing bar is increased, so that the retaining force of the reinforcing bar can be increased.

Further, the reinforcing bar fitting part and the pair of first reinforcing bar fitting and holding parts can hold both of the vertically arranged reinforcing bars. Therefore, the spacer of the present invention allows the spacer to be mounted horizontally without being limited to the mounting direction of the spacer. Since it is possible to hold rebars arranged orthogonally in the direction or the vertical direction, it is economical and various modes of use can be used.

Furthermore, since the spacer of the present invention has a simple structure and can be integrally molded with a synthetic resin material such as polyethylene, it is suitable for mass production and can be supplied to users as a low price.

As described above, the present invention has excellent advantages, and the practical value of implementing the present invention is extremely great.

[Brief description of drawings]

FIG. 1 is a perspective view showing a usage state of the spacer according to the present invention, FIG. 2 is a perspective view showing another usage state of the spacer, FIG. 3 is a front view of the spacer, and FIG. The right side view and FIG. 5 are sectional views taken along the line VV of FIG. 10 ... Spacer according to the present invention, 11 ... Reinforcing bar receiver, 12 ...
… Reinforcing bar 1st holding part, 13, 19 …… Lower holding piece, 14, 20…
… Upper holding piece, 15 …… Horizontal plate part, 16 …… Standing part, 18
...... Second rebar insertion holding part, 21 …… Support leg, 23 …… Reinforcing bar fitting part, 23a …… Upper end opening.

Claims (3)

[Scope of utility model registration request] 1. A pair of first reinforcing bar fitting and holding parts which are fitted in and hold relative to each other and which are opened in relative directions to each other, are provided at both ends of a horizontally arranged reinforcing bar receiving part having supporting legs. Horizontal plate portions are respectively arranged on both sides of the central portion, and rising portions are erected at the end portions of the respective horizontal plate portions, and the pair of first rebars are opened at the respective rising portions in a relative direction to each other. A pair of second reinforcing bar insertion holding parts for inserting and holding reinforcing bars orthogonally arranged to the reinforcing bars held in the insertion holding part are arranged, and the substantially cylindrical reinforcing bar fitting part is parallel to the reinforcing bar insertion direction on the support leg. A spacer characterized in that the upper end opening of the reinforcing bar fitting portion is bored in the horizontal plate portion. 2. A reinforcing bar in which the pair of the first reinforcing bar insertion holding portion and the second reinforcing bar insertion holding portion each include a lower holding piece and an upper holding piece, and the lower holding piece and the upper holding piece are fitted and held. The spacers according to claim 1, wherein the spacers are held alternately. 3. The spacer according to claim 1, wherein the pair of first reinforcing bar fitting and holding portions and the reinforcing bar fitting portion hold crossed reinforcing bars.