JP2552733Y2 - Veranda form support device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for supporting a concrete formwork forming a rising wall of a veranda.

[0002]

2. Description of the Related Art Conventionally, as a form supporting apparatus of this type, there are usually two main pipes which are connected to each other so as to be extendable and contracted, and a hollow pipe which is connected to one end of one of the main pipes. Using a support consisting of: the other end of the main body pipe in this support is locked to the inner formwork for the veranda rising wall, and the tip of the punched pipe is used to fix the slab in the building room. The mold to be formed is locked through a buried mold anchor.

[0003] Thus, the buried-type anchor has an anchor body having an L-shaped cross section having a bottom plate portion and a rising plate portion, one end of which is pivotally connected to the rising plate portion of the anchor body, and the other end of which has the other end. A connecting rod threadedly connected to a support pipe. The bottom plate is provided with a bowl-shaped washer interposed between an upper surface of the indoor slab formwork and a bottom plate portion of the anchor body. By passing a bolt through the mold from the side of the part, and screwing a nut with a rotating operation handle to the protruding end of the bolt from below the mold,
An anchor is attached to and fixed to the formwork. Therefore, in the installation of the anchor, the operation of positioning and bolt insertion of the anchor body and the operation of screwing and tightening the nut must be performed separately on the upper and lower sides of the indoor slab formwork. And it takes a lot of time and effort to install the anchor,
Mounting efficiency of the veranda form supporting device was very poor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a veranda mold supporting device that can easily and easily mount the mold supporting device only from above the indoor slab or the veranda slab mold. The purpose is to provide.

[0005]

SUMMARY OF THE INVENTION A veranda-form supporting device according to the present invention locks one end of a length-adjustable support to an inner form forming a rising wall portion of a veranda, and attaches the other end of the support. The end is engaged with a reinforcing bar arranged horizontally in a beam portion adjacent to the inner end of the floor of the veranda.

[0006]

Embodiments will be described with reference to the drawings.
FIG. 1 shows a use state of a veranda form support device according to the present invention. In this figure, reference numeral 1 denotes a form for forming a concrete slab (floor) 2 of a veranda projecting outside a building. A frame plate 1a is provided, and reference numerals 3 and 4 denote inner and outer forms forming the concrete rising wall portion 5 of the veranda, and have form plates 3a and 4a, respectively. Also,
Reference numerals 6, 7 and 8 denote formwork forming concrete beam portions 9 of the building, each having formwork plates 6a, 7a and 8a, and reference numeral 10 denotes a formwork forming an indoor-side concrete slab (floor portion) 11 of the building. And has a mold plate 10a. Reference numeral 12 denotes a main reinforcing bar horizontally arranged along the beam length direction in a plurality of upper and lower stages in the beam forming molds 6, 7, 8; 12a, a hoop reinforcing bar; and 13, a secondary reinforcing bar. Is shown.

Reference numeral 14 denotes a support for supporting the inner formwork 3 for forming the veranda rising wall portion 5. The main body pipes 15 and 16 are connected to each other so as to be able to expand and contract, and the end of one of the main body pipes 15. The other end of the main body pipe 16 is connected to the inner mold 3.
The detachable pipe 17 is detachably locked via a clamp 19 to a square flap 18 attached to the bracket, and the distal end of the punched pipe 17 is disposed in the molds 7, 8, 9 for forming the beam 9. For example, it is locked to the main reinforcing bar 12 at the middle stage via the locking means 20. The clamp 19 includes a U-shaped member 19a, a bolt 19b for fastening the U-shaped member 19 to the square flap member 18, and a bracket 19 for detachably connecting a tip end of the main body pipe 16.
c. The base end of the pull-out pipe 17 is fitted into the end of the main body pipe 15 and is connected and fixed by a removable stop pin 29.

As shown in FIGS. 2 and 3, the locking means 20 comprises a U-shaped locking metal fitting 21 which can be fitted to the main reinforcing bar 12 from the side thereof, and this locking metal fitting 21. The metal frame-shaped locking metal fitting 21 has a screw hole 23 in the base plate 21a and the main reinforcing bar 12 in each side plate 21b. Each of the bolts 22 has a fitting recess 24 for fitting.
Has a screw shaft portion 25 screwed into the screw hole 23 at its inner end,
At the outer end, there is formed a screw shaft portion 27 which is screwed into the screw hole 26 at the distal end of the drawing pipe 17, and at the intermediate portion, a flat portion 28 for engaging a rotary operating tool (for example, a wrench).

In order to attach the locking means 20 to the main reinforcing bar 12, the outer end side screw shaft 27 of the reinforcing bar pressing and fixing bolt 22 screwed to the locking fitting 21 is supported by the support bar 27. The fitting recess 24 of the U-shaped frame-shaped locking metal fitting 21 is fitted into the main reinforcing bar 11 by screwing into a screw hole 26 at the tip of the cutting pipe 17 connected to the main body pipe 15 of the fitting 14. From this state, the bolt 22 is rotated by a rotary operating tool such as a wrench in a direction in which the tip of the inner end side screw shaft portion 25 of the bolt 22 enters the locking metal fitting 21. By pressing the main reinforcing bar 12 at the tip, the locking means 20 is attached and fixed to the main reinforcing bar 12.

[0010] As described above, the form support device is provided with the support member 14.
Of the main body pipe 16 is fixed to the inner mold 3 for forming the rising wall of the veranda through the clamp 19, and the end of the pipe 17 is inserted into the mold 6, 7, 8 for forming the beam. Can be attached by locking to the main reinforcing bar 12 disposed at the position through the locking means 20. In particular, the locking work on the end of the punching pipe 17 is performed only from the upper side of the slab formwork 1, 10. Can be performed easily and easily. The attachment of the locking means 20 is performed by the outer-end-side screw shaft portion 27 of the rebar pressing fixing bolt 22 screwed to the locking metal member 21 as described above.
And screwed into the screw hole 26 at the tip of the pipe 17, the fitting recess 24 of the locking metal fitting 21 is fitted into the main rebar 12, and the bolt 22 is rotated for easy mounting. Can be. In addition, the removal pipe 17 of the support 14 is used.
The lower half portion is buried in the concrete together with the locking means 20 after the concrete is cast, as shown in FIG.

To remove the support 14 after the concrete has hardened, the clamp 19 is removed, the tip of the main body pipe 16 is detached from the inner mold 3, and the pin connecting the drawn pipe 17 and the main body pipe 15 is removed. Remove 29 and remove the main body pipes 15 and 16. Then, the pipe 17 whose lower half is embedded in the concrete may be detached from the rebar pressing and fixing bolt 22 of the locking means 20 while rotating in a loosening direction, and pulled out of the concrete.

In this embodiment, the reinforcing bar side end of the support member 14 is locked to the middle main reinforcing bar 11 disposed in the beam forming molds 6, 7, 8; The invention is not limited to this, and it can be locked to an appropriate main reinforcing bar 12 such as the upper side or the lower side.

[0013]

According to the veranda form support device of the present invention, the other end of the support having one end locked to the inner form of the veranda rising wall portion is placed horizontally in the beam portion adjacent to the inner end of the veranda floor. Since it is made to lock to the rebar arranged in the direction, it is not necessary to perform the mounting work from the lower side of the slab formwork as in the conventional case, and it is possible to work only from the upper side of the slab formwork. Therefore, the mounting operation of the supporting device is much easier and easier than the conventional device, and the construction efficiency can be remarkably improved. Further, since it is only necessary to lock the other end of the support to the reinforcing bar as described above, a special metal fitting such as an anchor for fixing to the slab formwork as in the related art is not required.

[0014] Then, at the end of the supporting tool on the rebar side,
A screw shaft formed at an outer end of the bolt, the locking means comprising a locking metal fitting which can be fitted to the reinforcing bar from the side, and a reinforcing screw pressing and fixing bolt screwed through the locking metal. In the case of detachably connecting via the portion, the outer end side screw shaft portion of the reinforcing bar pressing and fixing bolt is used to lock the end of the support to the main reinforcing bar. All that is required is to screw into the reinforcing bar side end, fit the locking metal fitting to the main reinforcing bar, and rotate the bolt, so that the mounting operation is further facilitated.

[Brief description of the drawings]

FIG. 1 is a side view showing the entire veranda form support device according to the present invention.

FIG. 2 is an enlarged side view showing a mounting state of a reinforcing bar side end of a support tool.

FIG. 3 is an enlarged exploded perspective view of the locking means.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Veranda slab formwork 2 Veranda slab (floor part) 3 Inside form of veranda rising wall part 4 Outside formwork of veranda rising wall part 5 Veranda rising wall part 6 Beam part formwork 7 Beam part formwork Reference Signs List 8 Formwork for beam section 9 Formwork for indoor slab 10 Slab (floor section) on indoor side 12 Main reinforcing bar of beam section 14 Supporting device 20 Locking means 21 Locking bracket 22 Reinforcing bar fixing bolt 24 Fitting recess 25 Screw Shaft 27 Screw shaft

Claims (2)

(57) [Scope of request for utility model registration] 1. An end of a support having an adjustable length is fixed to an inner form forming a rising wall of a veranda, and the other end of the support is mounted in a beam adjacent to an inner end of a floor of the veranda. A veranda form support device that is locked to a horizontally arranged reinforcing bar. 2. A reinforcing metal fitting at a side of the reinforcing bar on the side of the reinforcing bar, the metal fitting being capable of being fitted to the reinforcing bar from the side, and a reinforcing-bar press-fixing bolt screwed through the locking metal. The veranda form support device according to claim 1, wherein the locking means is detachably connected via a screw shaft portion formed at an outer end of the bolt.