JP2752805B2 - Spacing equipment for multi-tiered formwork - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interval holding device for maintaining an interval between a plurality of stacked form frames in forming a vertically high cloth foundation concrete or the like.

[0002]

2. Description of the Related Art Conventionally, when a mold is assembled in multiple stages,
A plurality of stages are stacked in a state where the molds are opposed to each other, a spacing holder is interposed between the respective molds, and a U-shaped fastener is connected to both ends of each spacing holder, and the fastener is attached to the fastener. A vertical flap is inserted, a horizontal flap is interposed between the vertical flap and the mold, and a wedge is driven into a fastener to fasten the mold via the vertical flap and the horizontal flap.

[0003]

However, since the conventional spacers do not have a tightening function, it is necessary to connect the fasteners to all the spacers in order to obtain the required strength. There is a problem that not only the number of attachments and vertical flutters used increases but also the number of assembling steps increases. SUMMARY OF THE INVENTION It is an object of the present invention to provide a space holder for a multi-tiered formwork which can easily and firmly assemble the formwork with a small number of parts and man-hours.

[0004]

In order to solve the above-mentioned problems, according to the present invention, a plurality of opposed stages are stacked.
In the space holder for multi-layered formwork that maintains the spacing of the formwork
Te, the width plate to be clamped between the upper and lower mold, an inner limiting piece for restricting the inward movement of the the central portion is bent upward and downward the mold in the width plate, the inner restriction An outer restricting piece that is bent upward and downward at both ends of the width plate at an interval corresponding to the thickness of the piece and the formwork to restrict the outward movement of the formwork, and a position corresponding to the outer restricting piece a wedge hole which is Toru設width plate, the wedge piece tightening is driven into the wedge holes mold to the inner limiting piece, share a portion of the wedge hole
And a hook hole formed as described above .

[0005]

The spacing device of the present invention has both the spacing function of the inner regulating piece and the outer regulating piece and the tightening function of the wedge holes and the wedge pieces. The number of parts used is reduced, and the formwork can be easily and firmly assembled with less man-hours. Also, according to the present invention,
The tool has a hook hole so that a part of the wedge hole is shared.
So that one type of spacing retainer can be used through the wedge holes.
Can be directly tightened using a screw.
It can be used for two purposes of indirect fastening.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 to 7 show the configuration of the spacing member 1, and FIGS. 8 and 9 show the entire assembling structure of the formwork 2. FIG. First, the structure of the spacing member 1 will be described. The spacing member 1 of this embodiment includes a width plate 3 sandwiched between upper and lower molds 2, and a central portion of the width plate 3 extends inward of the mold 2. The inner restricting piece 4 for restricting the movement of the upper part is bent upward and downward. At both ends of the width plate 3, outer restricting pieces 5 for restricting the outward movement of the mold 2 with an interval corresponding to the thickness of the form 2 are bent upward and downward.
A fitting portion 6 with which the formwork 2 is fitted is provided between the inner frame 4 and the inner regulating piece 4.

A plurality of cutout recesses 7 are formed in the width direction of the width plate 3 at positions corresponding to both ends of the inner regulating piece 4 in the width direction. A rectangular wedge hole 8 extending in the longitudinal direction is formed in the width plate 3 at a position corresponding to the outer regulating piece 5, and a circular locking hole 9 is formed at an outer end portion of each wedge hole 8. ing. Further, the spacing member 1 includes a pair of wedge pieces 10,
These are driven into the wedge holes 8 so that the formwork 2 can be fastened to the inner regulating piece 4.

Next, the assembling structure of the formwork 2 will be described. As shown in FIGS.
A plurality of steel sheet form frames 2 are stacked on top of each other in a state where they face each other.
Are arranged. A top end spacing holder 15 is interposed between the upper ends of the uppermost form 2, and the upper end spacing is maintained by the inner regulating piece 16 and the outer regulating piece 17. A lower end interval holding tool 18 is interposed between the lower ends of the lowermost form 2,
The space between the lower ends is maintained by the inner regulating piece 19 and the outer regulating piece 20. The spacing member 1 of this embodiment is interposed between the joining portions of the upper and lower mold frames 2, and the inner regulating piece 4 and the outer regulating piece 5 maintain the spacing of the intermediate portion.

At both ends in the longitudinal direction of the formwork 2, both ends of the spacing holder 1 are vertically flaps 1 through U-shaped fasteners 21.
3 and the wedge 22 is driven into the fastener 21, whereby the vertical flap 13 and the horizontal flap 14 are tightened, and the formwork 2 is held vertically. The pin 2 of the fastener 21
The reference numeral 3 is hooked in a hook hole 9 of the spacing member 1. In addition,
In FIG. 9, the spacing device 1 of this embodiment is vertically
As shown in the figures, the upper spacing member 1 is an intermediate member in the longitudinal direction of the mold 2, and the lower spacing member 1 is one at both longitudinal ends of the mold 2.

On the other hand, at a middle portion in the longitudinal direction of the mold 2, the mold 2 is fastened by the space holder 1.
The width plate 3 of the spacing member 1 is sandwiched between the upper and lower molds 2,
A wedge piece 10 is driven into the wedge hole 8, and the formwork 2 is firmly fastened to the inner regulating piece 4 by the wedge action. Therefore, in this part, the vertical flutter 13
In addition, the fastener 21 can be omitted, and the formwork 2 can be easily and firmly assembled with a smaller number of parts and man-hours as compared with the related art. Moreover, according to the spacing member 1 of this embodiment, since the hook holes 9 are formed in the wedge holes 8, one kind of the spacing member 1 can be used for two purposes of direct fastening and indirect fastening. .

FIGS. 10 to 12 show modified examples of the wedge piece 10. FIG. The wedge piece 10 of FIG. 10 has a serrated anti-slip 25 on the contact surface with the mold 2. The wedge piece 10 of FIG. 11 includes a serrated anti-slip 25 and a wavy anti-slip 26 on the back surface. Wedge piece 1 of FIG.
No. 0 is provided with a step-like slip stopper 27 so that the inclination angle of the back surface becomes gentle. According to these wedge pieces 10, since the antiskids 25 to 27 are provided, the form 2
Even if the wedge moves, there is no possibility that the wedge piece 10 comes off the formwork 2 and the spacing holder 1. FIGS. 13 and 14 show a modification of the wedge hole 8, in which hook holes 9 are formed at different positions of the wedge hole 8. With this configuration, the same operation and effect as those of the above embodiment can be obtained.

In the assembled structure shown in FIG. 9, square pipes are used as the vertical butterflies 13 and the horizontal butters 14. However, a round pipe may be used instead. Use a reinforcing bar instead of
May be configured to be inserted into the retaining holes 9 to hold the formwork 2 vertically. In addition, the present invention is not limited to the above-described embodiments, such as forming a wedge piece in a triangular pyramid or a quadrangular pyramid shape narrowing at the lower end side, and the shape and configuration of each part without departing from the spirit of the present invention. It is also possible to change and embody concretely.

[0013]

As described above in detail, according to the present invention, since the spacing member has both the spacing function by the inner regulating piece and the outer regulating piece and the tightening function by the wedge holes and the wedge pieces, This provides an excellent effect that the frame can be easily and firmly assembled with a small number of parts and man-hours. or,
According to this invention, a part of the wedge hole is shared.
Since a hook hole is formed in the
It can be used for both direct tightening and indirect tightening.
Wear.

[Brief description of the drawings]

FIG. 1 is a perspective view of a spacing member according to an embodiment of the present invention.

FIG. 2 is a front view of the spacing device shown in FIG. 1;

FIG. 3 is a rear view of the spacing device shown in FIG. 1;

FIG. 4 is a plan view of the spacing member of FIG. 1;

FIG. 5 is a bottom view of the spacing member of FIG. 1;

FIG. 6 is a right side view of the spacing member of FIG. 1;

7 is an enlarged cross sectional view taken along the line A-A of FIG.

FIG. 8 is a front view showing the entire assembling structure of the formwork.

FIG. 9 is a cross-sectional view showing the entire assembling structure of the formwork.

FIG. 10 is a front view showing a modified example of a wedge piece.

FIG. 11 is a front view showing another modification of the wedge piece.

FIG. 12 is a front view showing another modification of the wedge piece.

FIG. 13 is a plan view showing a modified example of a wedge hole.

FIG. 14 is a plan view showing another modified example of the wedge hole.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Space holding | maintenance tool, 2 ... Formwork, 3 ... Width board, 4 ... Inner regulating piece, 5 ... Outer regulating piece, 8 ... Wedge hole, 9 ... Hook hole, 10
... wedge pieces.

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E04G 17/07

Claims (1)

(57) [Claims] 1. A width plate sandwiched between upper and lower forms, and a center of the width plate, in a space holder for a multi-stage form form that holds a space between a plurality of forms stacked opposite to each other. An inner regulating piece that is bent upward and downward to restrict the inward movement of the formwork, and an upper and lower part at both ends of the width plate with an interval corresponding to the thickness of the inner regulating piece and the formwork. An outer regulating piece that is bent to restrict the outward movement of the formwork, a wedge hole provided in a width plate at a position corresponding to the outer regulating piece, and a formwork that is driven into the wedge hole. Formed to share a part of the wedge hole with the wedge piece that tightens
A spacing hole for a multi-tiered formwork, comprising: