JPS58188446U - Tightening structure of concrete formwork clamping rod - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

1 and 2 show a first embodiment embodying this invention, FIG. 1 is an exploded perspective view showing a fastener and a wedge member, FIG. 2 is a partial sectional view showing the fastener, FIG. 3 is a perspective view showing a second embodiment of the spacing retainer embodying this invention. FIG. 4 is a perspective view showing another spacing retainer, FIG. 5 is a side sectional view showing how to use the first and second embodiments, and FIG.
FIG. 7 is a sectional view of the spacing retainer of the first embodiment, and FIGS. 8 to 10 are partial sectional views showing how to use the first embodiment. Figure 11, 1st
Fig. 2 shows another embodiment embodying this invention, Fig. 11 is a perspective view showing the fastener, and Fig. 12 is a part showing the state in which the fastener is attached to the spacer. FIG. The fastener body is 1, the support part is 2, 3, the long hole is 4 to 7, the connecting member is 8, the connecting pin is 9, the wedge member is 10, the fastener is 11.12, the connecting part is 13, the tip The part is 13d1, the spacing holder is 15, the inner regulation piece is 15b, 15C, the outer regulation piece is 15d, 15e, the through hole is 16, the interval holder is 18, the inner regulation piece is 18b1, the outer regulation piece is 18C1, the through hole is 19 , the spacer is 21, the inner regulating piece is 21b, and the outer regulating piece is 2.
1C1 through hole is 22° Fig. 7 Fig. 8

Claims (1)

[Claims for Utility Model Registration] 1. At least one piece of concrete formwork that is interposed between the concrete formworks and that regulates the inner surface of the concrete formworks in order to maintain the distance between the concrete formworks that are installed facing each other. Inner regulating piece 15b. 15C and its inner regulating pieces 15b, at least two outer regulating pieces 15d, 15 formed at both ends at a constant distance from 15C and regulating the outer surface of the concrete formwork.
A pair of through holes 1 are provided at both ends of the spacer 15 having
A pair of fasteners 11 are provided at the proximal end of a fastener main body 1 whose connecting portions 8°9.13 are hollow-shaped in plan view. Tightening holes 4 to 7 for driving wedge members 10 are provided in both side support parts 2.3 of the fastener main body 1.
A clamping rod 29 is provided and inserted between the support parts 2 and 3.
A tightening structure for a concrete formwork clamping rod, characterized in that it is possible to tighten the concrete formwork against the outer surface of the concrete formwork. 2. The connecting portion 8.9 is characterized by comprising a connecting member 8 protruding from the base end of the fastener body 1, and a connecting pin 9 protruding downward from the tip of the connecting member 8. A tightening structure for concrete formwork clamping rods according to claim 1 of the utility model registration claim. 3. The concrete formwork clamping rod according to claim 1, wherein the connecting portion 13 is a side crank-shaped rod protruding from the base end of the fastener body 1. Tightening structure. 4. The concrete formwork according to any one of claims 1 to 3, wherein the tightening holes 4 to 7 are elongated holes extending in the longitudinal direction of the support part 2.3. Clamping rod tightening structure.