JPH0235952Y2 - - Google Patents

Description

[Detailed description of the invention] This invention mainly relates to an improvement of a separator used at the bottom of a beam.

Conventionally, when constructing beams for concrete structures, as shown in Figure 10, first the beam form F was temporarily assembled by passing a separator A through the bottom of the beam to maintain the spacing between the forms, and then the A spacer S is placed and a beam reinforcing bar B is placed on top of the spacer, but it takes time and effort to place the spacer S at the bottom of the beam, and the spacer S often shifts and does not fulfill its role. First, reinforcing bar B is often placed directly on separator A.

As a result, the separator A is bent and the reinforcing bar cannot have an appropriate cover thickness.

This invention was developed against the background of these circumstances, and its configuration will be explained below based on drawings of embodiments.

FIG. 1 is a perspective view showing a first embodiment of this invention.

Reference numeral 1 denotes a separator body made of round steel, which has connecting parts 2, 2 with male screws at both ends, and has stoppers 3, 3 protruding near the connecting parts 2, 2, and this stopper. Hexagonal thin plate nuts 4, 4 are loosely fitted between 3, 3 and the connecting portions 2, 2.

5, 5 is a leg piece made by bending round steel into an inverted U shape, and the open end thereof is bent left and right to provide foot parts 6, 6, which are located at appropriate positions near both ends of the separator body 1. It protrudes further downward.

Note that the direction of the leg piece 5 is not limited.

This is done by grounding the leg pieces 5, 5 on the beam bottom formwork F1, as shown in the cross-sectional view of the main part showing the state of use in Fig. 2.
Temporarily assemble the beam formwork F protruding outward from the formworks F2, F2 through holes C, C on both sides of the connecting parts 2, 2 at both ends, place the beam reinforcing bars B on the separator main body 1, Assemble the beam form F by keeping the upper part of the beam form F apart from each other with a regular beam separator.

According to the separator according to the first embodiment, in addition to the original function of a separator, it also has the function of a spacer, maintains an appropriate distance between the formwork at the bottom of the beam, and forms the formwork at the bottom of the beam at the bottom of the beam reinforcing bar. It is possible to maintain the appropriate cover thickness of the reinforcing bars, and it is possible to perform construction more efficiently than the conventional method described above, and it is also possible to reliably maintain the appropriate cover thickness of the reinforcing bars.

FIG. 3 is a perspective view of a main part showing a second embodiment of this invention, in which the leg pieces 25 are rod-shaped.

It is not bulky for packaging and transportation.

FIG. 4 is a perspective view of the main parts showing the third embodiment.
Bend the round steel into a wide gate shape, and make leg pieces 35,
35, and one end of connecting portions 32, 32 by male threaded rods is fixed to both ends of the upper piece, and has the effects of the second embodiment.

FIG. 5 is a perspective view of the main parts showing the fourth embodiment.
U-shaped leg pieces 45, 45 are formed by directly bending the vicinity of both ends of the separator body 41 downward, which is easier to manufacture and can be supplied at a lower cost than in the previous embodiments.

Moreover, it also has the effects of the second embodiment.

FIG. 6 is a perspective view of essential parts showing the fifth embodiment. This is done by crushing both ends of the separator main body 51 to provide flat parts 7, 7, and providing female screw holes 8, 8 in the center of these flat parts 7, 7.
Leg pieces 55, 5 with hexagonal bolts can be moved vertically to 8.
5 is screwed in.

This can accommodate variations in cover thickness. It also has the effects of the second embodiment.

FIG. 7 is a perspective view of essential parts showing the sixth embodiment. A round ring 10 is provided on the top of the rod-shaped leg piece 65, and a set screw 11 is screwed into the side of the round ring 10.
The separator body 61 is inserted into the round ring 10 at the top of this leg piece 65 and is used by fixing it in the proper position with the set screw 11, so that the load of the reinforcing bars can be effectively received in the proper position. .

It also has the effects of the second embodiment.

FIG. 8 is a perspective view of the main parts of the seventh embodiment, in which a trapezoidal leg piece 75 is made of synthetic resin, an insertion hole opening 12 is provided in the upper part, and a separator main body 71 is pushed into the insertion hole 12. Or it is inserted. This does not require anti-rust treatment. FIG. 9 is a perspective view of essential parts showing the eighth embodiment. This has a trapezoidal leg piece 85 made of synthetic resin and has a fitting part 13 on the upper part, and shares the effects of the sixth and seventh embodiments.

Note that the separator main body is not limited to one in which hexagonal thin plate nuts are loosely fitted to both ends as described in detail in the first embodiment, but it may also be one in which truncated cone-shaped receiving pieces are connected to connecting parts at both ends, or one end is fitted with the hexagonal thin plate nuts at one end. Loosely fit the thin plate nut,
It can also be applied to a separator in which a truncated cone-shaped receiving piece is connected to the connecting part at the other end, or a separator in which hemispherical connecting parts are bulged at both ends of the main body of the separator, and the present invention is not limited thereto. Furthermore, the number of leg pieces is not limited as it can be adjusted depending on the width of the beam.

In addition, in the first to sixth embodiments, if necessary, the lower end of each leg piece can be coated with a resin coating or a resin cap to perform rust prevention treatment.

As detailed above, the separator of this invention has the function of a spacer as well as the original function of a separator, and can reliably maintain the appropriate cover thickness of the beam reinforcing bars and perform the construction efficiently. This is useful for practical purposes.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the first embodiment of this invention, FIG. 2 is a sectional view of main parts showing its usage state,
3 to 9 are perspective views of essential parts showing the second to eighth embodiments, and FIG. 10 is a sectional view of essential parts showing an example of the conventional method. 1... Separator body, 2, 2... Connection part,
5, 5...Leg piece, A...Separator, B...Beam reinforcing bar, C, C...Through hole, F...Beam formwork, S...Spacer.

Claims (1)

[Scope of utility model registration request] A construction separator characterized in that at least two leg pieces 5 for maintaining an appropriate distance from the formwork are protruded downward between the connection parts 2 and 2 at both ends of the separator main body 1 with the formwork tightening rods. .