KR200213262Y1 - A safe concrete form - Google Patents

Abstract

The present invention relates to a formwork used to cast concrete walls, and more particularly, to easily separate formwork panels from the cultivated concrete walls, as well as to easily remove and store the removed formwork. As for the formwork,

In particular, the subject innovation is formed in the interior of the fitting protrusion with a predetermined gap, the locking parts are formed at equal intervals to face each other to the outer side, and can be combined with other formwork between the locking parts and the upper and lower ends thereof. A pair of support tubes each having a fastening piece through which the bolt penetrates; One surface of a curved plate formed of a bendable material such as rubber or nonwoven fabric is fixedly installed so that a plurality of square pipe surfaces inserted in correspondence to the fitting protrusion of the support pipe are in close contact with each other, A support plate body having a coupling groove formed to be rotatable by a rotatable fixture at the top of the support rod; Reinforcing bar is fitted to the engaging portions of the support pipe body to mutually support the square pipe body to stably support, so that the surface in contact with the square pipe body can cover the gap between the two square pipe body; And the like.

In addition, the present invention is to form each of the support tube in the shape of a ring, and then to place the support tube in the upper and lower portions between the fitting tube of the support tube to the fitting projection of the support plate body therebetween, while fitting the square tube of the support body , To form a plurality of coupling pieces that can be combined as bolts and nuts in the square tube located at both ends to It is characterized by preventing the square tube spaced apart.

Description

Formable for easy separation and storage {A safe concrete form}

The present invention relates to a formwork used to cast concrete walls, and more particularly, to easily separate formwork panels from the cultivated concrete walls, as well as to easily remove and store the removed formwork. It's about formwork.

In general, the formwork being used as an essential element in the construction of a concrete building is a metal outer frame part (1) forming a rectangular as a whole as shown in FIG. 1; An inner frame body (2) for partitioning and supporting the inner side of the outer frame body (1) at appropriate intervals; A plate body part 3 which is fitted inside the outer frame body part 1 and fastened to the support jaw part 1a by a rivet 4 or the like; And the like.

Such ordinary formwork is widely used as wall formwork at construction sites where many repetitive works on the same plane as the apartment site are used, and after receiving side pressure transmitted from the uncured concrete for wall at the plate part 3, the inner frame part 2 ) And by transmitting to the outer frame body portion 1 has the advantage of increasing the number of times while preventing the breakage of the plate body portion 3, in this conventional formwork, the plate body portion 3 is usually composed of plywood, Plywood is manufactured by stacking several end plates, so it has a large resistance against bending load compared to its weight or weight.

As described above, since the conventional plate member 3 is made of plywood, iron plate, synthetic resin, etc., to which a large number of single plates are combined, it is very troublesome to remove the plate member 3 installed after the concrete is cured. In addition, there was a problem that it is very difficult to carry the removed plate body portion 3 and the outer frame body portion 1 and the inner frame body portion 2 forming a rectangular frame.

Therefore, the present invention is devised in view of the above problems, so that the plate part of the formwork is wound in one direction like a scroll, thereby facilitating the removal of the plate part from the hardened concrete wall, and very easy to move the separated plate part. The object is to provide a formwork that facilitates separation and storage.

1 is a side cross-sectional view showing a state of installation of a conventional formwork;

2 is an exploded perspective view of the formwork according to the present invention,

3 is a rear view showing the installation state of FIG.

Figure 4 is a side cross-sectional view showing the installation state of FIG.

Figure 5 (a) and (b) is a cross-sectional view showing a state of removal of the formwork according to the present invention,

Figure 6 is an exploded perspective view showing another embodiment of the formwork according to the present invention,

7 is a plan sectional view showing the installation of FIG.

<Explanation of symbols for main parts of the drawings>

10,10: support body 11,11 ': fitting protrusion

12: Fastener 13,13 ': Fastener

14: Bolt 15: Nut

20: support plate 21: bending plate

22: square tube 23: coupling groove

30: support rod 31: fixture

40: reinforcement

The present invention for achieving the above object is the fitting protrusion is formed in the inner space with a predetermined gap, the locking portions are formed at equal intervals to face each other to the outer side, and between the locking portions and the upper, lower ends A pair of support tubes each having a fastening member through which the bolt penetrates to form a mold; One surface of a curved plate formed of a bendable material such as rubber or nonwoven fabric is fixedly installed so that a plurality of square pipe surfaces inserted in correspondence to the fitting protrusion of the support pipe are in close contact with each other, A support plate body having a coupling groove formed to be rotatable by a rotatable fixture at the top of the support rod; Reinforcing bar is fitted to the engaging portions of the support pipe body to mutually support the square pipe body to stably support, so that the surface in contact with the square pipe body can cover the gap between the two square pipe body; And the like.

In addition, the present invention is to form each of the support tube in the shape of a ring, and then to place the support tube in the upper and lower portions between the fitting tube of the support tube to the fitting projection of the support plate body therebetween, while fitting the square tube of the support body , By forming a plurality of coupling pieces that can be combined as bolts and nuts in the rectangular pipe body located at both ends to prevent the square pipe body from being spaced apart from the placing pressure of concrete.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention in detail as follows.

Figure 2 is an exploded perspective view of the formwork according to the present invention, Figure 3 is a rear view showing the installation state of Figure 2, Figure 4 is a side cross-sectional view showing the installation state of FIG.

First, the support tubular body 10 has a predetermined gap therebetween is formed in the fitting protrusion 11, the locking parts 12 are formed at equal intervals to face the outer side of the support tubular body 10, the locking Fastening pieces 13 which are coupled as bolts 14 and nuts 15 in correspondence with fastening pieces 13 'of other support pipes 10' between the parts 12 and on the upper and lower ends of the support pipe body 10 '. ) Are formed respectively.

In addition, the support plate body 20 has a bending plate 21 formed of a material that can be bent, such as a rubber or a non-woven fabric with less elasticity, the fitting protrusion 11 of the support plate body 20 on one surface of the bending plate 21. A plurality of square tube body 22 inserted in correspondence with each other is fixedly installed so as to be in close contact with each other, each front surface of the square tube body 22 is installed to be inclined at a predetermined angle to support the formwork stably ( 30) The engaging groove 23 is formed to be fixed to the rotatable fixture 31 of the upper end. On the other hand, when a plurality of square tube body 22 is installed on the curved plate 21 to be interviewed, each side of the square tube body 22 is mutually supported, so as to sufficiently overcome the placing pressure of concrete as shown in FIG. When pulling the square tube body 22 in contact with the concrete from the top, the bending plate 21 is bent and detached very easily as shown in FIG. 5 (a), and thus the carrying plate body 20 is removed. At the time, as shown in (b) of FIG. 5, since the winding plate 21 is rolled up in a direction in which the bending plate 21 is located, the carrying plate 20 can be easily transported.

In addition, the reinforcing table 40 is fitted into the engaging portion 12 of the support pipe body 10 opposite to each other by a rectangular tube to stably support the square pipe body 22, wherein the two square pipe body 22 is interviewed The gaps can be covered so that the pressure of the concrete can be sufficiently overcome.

On the other hand, Figure 6 is an exploded perspective view showing another embodiment of the formwork according to the present invention, Figure 7 is a planar cross-sectional view showing the installation state of Figure 6, each of the support pipe (10 ') to form a ring Position the support plate body 10 'to the upper and lower portions of the support plate body 20' to the fitting projection 11 'of the support tube body 10' so that the bending plate 21 'is inwardly therebetween. By fitting the tubular body 22 ', it is possible to form a cylindrical concrete column. At this time, by forming a plurality of coupling pieces (23 ') that can be coupled as a bolt and nut in the square pipe body (22') located at both ends to prevent the space of the square pipe body (22 ') to the placing pressure of the concrete. At this time, the reinforcing ring body may be installed as in the virtual line of FIG. 7.

Referring to the effect of the form configured as described above are as follows.

First, as shown in FIGS. 3 and 4, the two support tubes 10 are positioned at predetermined distances on both sides, and then, the support plate body 20 is installed therebetween, so that both ends of the square tube body 22 of the support plate body 20 are positioned. The fitting to the fitting protrusion 11 of the support pipe (10). At this time, the square tube bodies 22 fitted to the fitting protrusions 11 of the support tube body 10 are in close contact with each other to maintain a flat state, but easily as the curved plate 21 of the support plate body 20. Bent.

Then, the reinforcing bar 40 is fitted to the engaging portions 12 of the support pipes 10 facing each other. In this case, the two rectangular pipes 22 may cover the gaps to be interviewed to sufficiently increase the casting pressure of the concrete. To overcome.

After assembling a large number of formwork as described above, by fitting each of the fixtures 31 of the upper end of the support rod 30 in the coupling groove 23 of the square tube body 22 as shown in Figure 4, the formwork is stably upright. The fastening pieces 13 and 13 'of each of the support tubes 10 and 10' are matched with each other to be joined as bolts 14 and nuts 15, and then concrete is cast for curing for a predetermined time.

On the other hand, once the concrete in the form is completely cured to remove the installed formwork, first separating the support pipe body 10 from the support plate body 20, as shown in Figure 5 (a), and then the rectangular pipe body 22 located at the top ) Is pulled forward, and at this time, the square tube body 22 is easily separated one by one, and the support plate body 20 thus separated is rolled up in the direction in which the bending plate 21 is located as shown in FIG. Carrying of the support plate body 20 becomes very easy.

On the other hand, as shown in Figs. 6 and 7, the ring-shaped support tube 10 'is positioned above and below, and the fitting protrusion 11' of the support tube body 10 'so that the bending plate 21' faces inward therebetween. Fitting the rectangular pipe body 22 'of the support plate body 20' to the mating body 23 ', and then engaging the coupling pieces 23' of the two rectangular pipe bodies 22 'that are mutually interviewed, and coupling them as bolts and nuts, The square tube body 22 'is prevented from being spaced apart.

Then, the concrete can be easily formed by pouring concrete into the cylindrical formwork.

Accordingly, the present invention has a useful effect of allowing the support plate of the formwork to be wound in one direction as a roll to facilitate the removal of the support plate from the hardened concrete wall, and to facilitate the movement of the separated support plate.

Claims (2)

The fitting protrusions are formed inside of each other with a predetermined gap, and the locking parts are formed at equal intervals so as to face each other outwardly, and the bolts are penetrated to be coupled with other formwork between the locking parts and the upper and lower ends thereof. A pair of support tubes each formed with a piece; One surface of a curved plate formed of a bendable material such as rubber or nonwoven fabric is fixedly installed so that a plurality of square pipe surfaces inserted in correspondence to the fitting protrusion of the support pipe are in close contact with each other, A support plate body having a coupling groove formed to be rotatable by a rotatable fixture at the top of the support rod; Reinforcing bar is fitted to the engaging portions of the support pipe body to mutually support the square pipe body to stably support, so that the surface in contact with the square pipe body can cover the gap between the two square pipe body; Formwork easy to separate and store, characterized in that consisting of. The method of claim 1, Each of the support tubes is formed in a ring shape, and then the support tubes are positioned in the upper and lower portions, and the square tubes of the support plates are fitted to the fitting protrusions of the support tubes so that the bent plate faces inwardly. Forming pieces that can be combined as bolts and nuts in the pipe to form a number of easy to separate and storage form to prevent the square pipe from being spaced apart from the concrete placing pressure.