JPH0710237U - Floor formwork connector - Google Patents

Abstract

(57) [Summary] [Purpose] Connection of concrete formwork. [Structure] The lower surface has a fitting portion 22 into which the large pull 5 is fitted, and the upper surface is provided with a cross-shaped fitting groove 4 into which the side plates 72 of the butted corner portions of the four form frames 7 are fitted. Connecting tool 1 on Daihiki 5
The fitting portion (22) is fitted, and the corner portion of the mold 7 is fitted in the fitting groove 4 of the connector 1. Since the fitting groove 4 has a cross shape,
Fitting groove 4 with the corners of four form frames 7 butted against each other
Can be fitted into.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector for connecting concrete formwork.

[0002]

[Prior art]

 There are two methods for connecting the concrete formwork (7): nailing the side plates (72) (72) of the formwork (7) and using a U clip shown in FIG. The U-clip (8) fits the bent hook (81) at the tip into the holes (73) (73) formed in the side plates (72) (72) of the adjacent molds (7) (7), and the hook ( The U-clip (8) is rotated around 81) to sandwich the side plates (72) (72). The U-clip (8) can be removed in the reverse order.

As shown in FIG. 5, when constructing a concrete floor surface, a post (6) is used to support the Daihiki (5), a form (7) is placed on the Daihiki (5), and the form (7) is placed. Pour concrete from above and once the concrete has solidified, remove the posts (6), the haul (5) and the form (7).

[0004]

[Problems to be solved by the present invention]

 In the construction of the concrete floor surface, when connecting the formwork (7), in the case of nailing, the nails are driven diagonally from above the formwork (7) so as to penetrate the side plates (72) (72). However, at this time and when pulling out the nail, there is a problem that the form (7) is damaged, and workability is poor. Further, the connection of the formwork (7) with the U-clip (8) must be performed from below the formwork using a stepladder, etc., and the workability is poor. Also, it cannot be used because it interferes with placing the formwork (7) directly on the Daihiki (5). SUMMARY OF THE INVENTION The present invention provides a formwork connector that can solve the above problems.

[0005]

[Means for solving the problem]

 The formwork connector of the present invention has a fitting part (22) on the lower surface to which the large pull (5) fits, and a side plate (72) on the butt corners of the four formwork (7) fits on the upper surface. It forms a round cross-shaped mating groove (4).

[0006]

[Action and effect]

 The fitting portion (22) of the connector (1) is fitted into the pulling bar (5), and the corner portion of the form (7) is fitted into the fitting groove (4) of the connector (1). Since the fitting groove (4) has a cross shape, it can be fitted into the fitting groove (4) in a state where the corner portions of the four molds (7) are abutted. The above work can be performed from above the Daihiki (5), and as in the conventional method, using a stepladder or the like, the formwork (7) (7) is connected from below the Daihiki (5). Workability is better than the case. It does not damage the formwork like nailing. Further, unlike the case where the U clip (8) is used, the U clip (8) does not hit the large pull (5) and it does not interfere with placing the form (7) on the large pull (5).

[0007]

【Example】

 As shown in FIG. 1 and FIG. 2, the connector (1) has sandwiching plates (21) and (21) projecting downward at right angles from both ends of the contact plate (2), and the sandwiching plates (21) and (21) are connected to each other. Is a fitting portion (22) slightly larger than the width and length of the large pull (5). Four L-shaped holding plates (3) are welded and fixed to the upper surface of the backing plate (2), and a cross-shaped fitting groove (4) is formed between the holding plates (3).

Of the two grooves (41) and (42) forming the cross-shaped fitting groove (4), one groove (41) is parallel to the sandwich plate (2 1). Further, the width of the grooves (41) (42) is slightly larger than twice the thickness of the side plate (72) of the form (7), and the side plates (72) ( 72) can be butted and fitted into the grooves (41) and (42) without play.

The mold (7) of the embodiment is a mold made of synthetic resin previously proposed by the applicant, in which a side plate (72) is provided on the outer periphery of the rectangular plate (71) so as to project. )) Has a large number of reinforcing ribs (not shown) on its inner surface.

However, the transfer plate (61) is placed on the post (6), and the pulling plate (61) is pulled on the transfer plate (61) at a pitch corresponding to the length of the long side or the short side of the form (7). 5) Place. There is a pitch corresponding to the length of the short side or the long side of the mold (7) on the large pull (5), and the connecting tool (1) is attached to the fitting part (22) of the large pull (5). Fit and attach.

The corners of the mold (7) are fitted into the grooves (41) and (42) of the connector (1). Since the fitting groove (4) has a cross shape, it can be fitted into the fitting groove (4) in a state where the corner portions of the four molds (7) are butted. The above-mentioned work can be performed from above the Daihiki (5), and the workability is better than in the conventional case where it is performed from below the Daihiki (5) using a stepladder. Further, unlike the case where the U clip (8) is used, the U clip (8) does not hit the large pull (5) and it does not interfere with placing the form (7) on the large pull (5).

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the utility model registration request.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mounting state of a connecting tool.

FIG. 2 is a vertical cross-sectional view of the molds in a connected state.

FIG. 3 is a transverse sectional view of the above.

FIG. 4 is an explanatory diagram of a U clip.

FIG. 5 is a cross-sectional view showing a state where the molds are connected by a U clip.

[Explanation of symbols]

 (1) Connecting tool (2) Abutment plate (22) Fitting part (3) Holding plate (4) Cross-shaped fitting groove

Claims (1)

[Scope of utility model registration request] 1. A formwork (7) is placed on the Daihiki (5),
(7) A connecting tool for connecting four formworks (7) adjacent to each other when the concrete parts are poured from above to form a concrete floor, and the Daihiki (5) is attached to the lower surface. Connection of floor formwork that has a fitting part (22) to fit, and has a cross-shaped fitting groove (4) formed on the upper surface to which side plates (72) of the butt corners of the four formwork (7) fit Ingredient