KR100867890B1 - A building materials lifting open box of superior water proofing - Google Patents

Abstract

The present invention is a lower body having an upper portion is open and has an opening in the lower portion and has a form of an ordinary light narrowing which gradually widens from the lower portion to the upper portion, and a stepped portion extending in a horizontal direction along the upper outer side of the lower body. In the material lifting open box which is formed in the vertical direction along the outer side of the stepped portion but has a form of a light beam narrower gradually widening toward the upper portion, the material lifting open box, wherein the waterproof projecting downward along the surface of the stepped portion The present invention provides a material lifting open box having excellent waterproof property in which a groove molding part is formed and a material lifting open box having excellent waterproof property in which a waterproof jaw molding part protrudes upward along the surface of the stepped part is provided. By forming the waterproof jaw forming part or the waterproof groove forming part in the step of the By forming a waterproof jaw or waterproof groove between the slab to be poured concrete and the primary pouring portion, it is possible to stagnate and block the flow of water leakage, thereby maximizing the waterproof effect. In addition, the present invention does not need unnecessary construction, such as a separate waterproofing and finishing pouring portion, there is an advantage that can increase the work efficiency and significantly shorten the construction period. In particular, the present invention is a very useful invention that allows the worker to lift the building materials quickly and conveniently by shortening the construction period by improving the work efficiency by forming the material lifting openings penetrating the lower and upper floors of the building.

Waterproof, material, lifting, opening, open, box, formwork, waterproof jaw, waterproof groove

Description

A building materials lifting open box of superior water proofing}

1-a perspective view for showing the structure of a conventional material lifting open box.

2-A sectional view along the line A-A in FIG.

3 to 7-Flow chart for showing the installation and dismantling and finishing construction of the conventional material lifting open box.

8-perspective view for showing the structure of the material lifting open box excellent water resistance of the present invention.

9-8 are sectional views taken along the line B-B.

10- 8 C-C cross sectional view.

11 is a cross-sectional view showing another embodiment of the material lifting open box excellent in waterproofness of the present invention.

12 to 14-Flow chart for showing the installation and disassembly and finish construction state of the material lifting open box excellent water resistance of the present invention.

15-finish construction state cross-sectional view showing another embodiment of the material lifting open box excellent water resistance of the present invention.

* Explanation of symbols for main parts of the drawings

1: conventional material lifting open box

10: lower body 11: opening

20: step

30: upper body 31: dismantled utensils

100: material lifting open box excellent in waterproofness of the present invention

110: lower body 111: opening

120: step

130: upper body 131: dismantled utensils

140: waterproof groove forming part 141: waterproof jaw forming part

A: Slab B: Mold

C: Material lifting opening D: Temporary post

E: Primary pouring part F: Waterproofing part

G: Finishing pouring part H: Waterproof groove

I: waterproof jaw

The present invention relates to a material lifting open box having excellent waterproof properties, and more particularly, to form an opening to penetrate the lower and upper floors of a building, and to break down the structure of the material lifting open box installed to easily lift a building material. It relates to a material-lifting open box having excellent waterproof property to prevent the cause of secondary holes such as water leakage by improving the waterproof effect.

In general, the material lifting open box (material lifting opening formwork) is an opening on the surface of the slab to quickly and conveniently lift various building materials used in the construction of apartments and buildings directly through the lower and upper floors without using stairs or balconies. It is a kind of building construction materials installed to form

As shown in FIG. 1, the material lifting open box 1 has a lower body having a form of a normal light narrowing which is open at an upper portion, has an opening 11 at a lower portion thereof, and gradually widens from the lower portion to the upper portion. 10, the stepped portion 20 extending in the horizontal direction along the outer side of the upper end of the lower body 10, and formed in the vertical direction along the outer side of the stepped portion 20, but gradually wider toward the top Losing the upper body 30 in the form of the upper and lower strait.

At this time, a plurality of dismantling guide holes 31 are further formed on the upper outer side of the upper body 30 as shown in FIG. 2, which is a work tool between the dismantling guide hole 31 and the slab A. FIG. By inserting, the material lifting open box 1 can be dismantled easily using the lever principle.

More specifically, the installation and disassembly of the conventional material lifting open box 1 and the finishing state will be described in detail with reference to the accompanying drawings.

① After installing the material lifting open box (1) on the top of the formwork (B) as shown in Figure 3 to form a slab (A) by pouring concrete.

② As shown in FIG. 4, when the material lifting open box 1 is dismantled from the slab (A) where curing is completed, the material lifting opening C is formed so that the worker can lift the building material from the lower floor to the upper floor easily. You can do it.

③ As shown in FIG. 5, when the lifting of the building material is completed, a form (B) and a temporary support post (D) are installed to fill the material lifting opening (C), and then the concrete is poured into the primary pouring part (E). Will be constructed.

④ As shown in FIG. 6, the waterproofing liquid is applied to the upper portion of the primary pouring portion E in which curing is completed, thereby constructing the waterproofing portion F. FIG.

⑤ Finally, as shown in FIG. 7, the concrete is poured on the upper portion of the waterproofing portion F to construct the finishing pouring portion G to be the same as the surface of the slab A.

As described above, the material lifting open box 1 is installed and dismantled to form a material lifting opening C to lift the building material and then refill the construction.

At this time, the construction of the waterproofing portion (F) and the finishing pour portion (G) as described above is the slab (A) that was previously poured in the process of filling the material lifting opening (C) and the first pour portion (E) that is later poured. Since it will be obvious that it is not integrated, in order to prevent this in advance, a leak occurs as a gap between the slab (A) and the primary pouring part (E).

However, the construction of the waterproofing part (F) and the finishing pouring part (G) as described above not only delays the overall time between air, but also reduces the construction efficiency due to the hassle or inconvenience of the work, and the cost required for unnecessary repeated construction. There is a serious problem that increases the economic burden of the increase.

In addition, the conventional material lifting open box (1) does not have a separate function such as a water-proof effect other than merely forming the material lifting opening (C), eventually reducing the use efficiency and utilization range of the material lifting open box (1). There is a limit to this.

Therefore, there is an urgent need for a means for minimizing the cause of subconstruction by preventing the leakage cause in advance while constructing a material lifting opening for lifting construction materials.

As such, the present invention has been made to solve the conventional problems as described above,

It is an object of the present invention to provide a material lifting open box having excellent waterproof property for quickly and easily lifting a building material by forming a material lifting opening to penetrate the lower and upper floors of a building.

Another object of the present invention is to provide a waterproof material lifting open box excellent in water resistance to maximize the waterproof efficiency by stagnating and blocking the flow of leakage by forming a waterproof jaw forming part or waterproof groove forming part on the step of the material lifting open box. will be.

When described in more detail by the accompanying drawings the technical configuration for achieving the object of the present invention as described above are as follows.

8 is a perspective view illustrating the structure of a material-lifting open box having excellent water resistance of the present invention, FIG. 9 is a cross-sectional view taken along the line B-B of FIG. 8, and FIG. 10 is a cross-sectional view taken along the line C-C of FIG. 8.

The material-lifting open box 100 having excellent waterproofness of the present invention includes an upper body having an upper portion and an opening 111 at a lower portion thereof, and having a lower body 110 having a form of a normal light strait that gradually widens from the lower portion to the upper portion. The stepped portion 120 extending in the horizontal direction along the outer side of the upper end of the lower body 110, and the vertical light narrowing is formed in the vertical direction along the outer side of the stepped portion 120, the width gradually increases toward the top In the material lifting open box consisting of an upper body 130 having a,

The waterproof groove forming part 140 is formed to protrude downward along the surface of the stepped part 120.

As described above, the waterproof groove forming part 140 installs a material-lifting open box 100 having excellent waterproofness of the present invention on top of the formwork B as shown in FIG. 12 or FIG. The waterproof groove H is formed by the waterproof groove forming part 140 protruding downward.

Therefore, as shown in FIG. 14, the water leakage is stagnated or blocked through the waterproof jaw H formed between the slab A and the primary pouring part E, thereby improving the waterproof effect. .

In particular, since unnecessary construction, such as a separate waterproof processing unit and a finishing pouring unit, is unnecessary as in the related art, it is possible to increase work efficiency and shorten the construction period drastically.

In addition, the material lifting open box 100 of the present invention excellent waterproof provides another embodiment, which forms a waterproof jaw molded part 141 protruding upward along the surface of the stepped part 120.

That is, as shown in Figure 15 it is possible to pour the waterproof jaw (I) protruding in the upper direction through the waterproof jaw forming part 141, so that the flow of water is stagnant or blocked, so the waterproof effect It can be improved.

On the other hand, in the present invention, the cross-sectional shape of the waterproof groove forming unit 140 and the waterproof jaw forming unit 141 is preferably formed to have any one of a triangle, a semi-circle, a square.

As described above, the embodiments of the present invention have been described in detail, but the scope of the present invention is not limited thereto, and it is natural that the present invention is included in the scope of the present invention to a configuration that is substantially equivalent to the embodiments of the present invention. something to do.

The present invention forms a waterproof jaw forming part or a waterproof groove forming part in the stepped portion of the material lifting open box to form a waterproof jaw or waterproof groove between the slab to be poured concrete and the primary pouring part, so that the flow of water can be stagnated and blocked. Has the advantage of maximizing the waterproof effect.

In addition, the present invention does not need unnecessary construction, such as a separate waterproofing and finishing pouring portion, there is an advantage that can increase the work efficiency and significantly shorten the construction period.

In particular, the present invention is a very useful invention that allows the worker to lift the building materials quickly and conveniently by shortening the construction period by improving the work efficiency by forming the material lifting openings penetrating the lower and upper floors of the building.

Claims (3)

An upper part having an upper part and having an opening part at a lower part thereof, and having a lower body having a form of a normal light narrowing width gradually widening from the lower part to an upper part as a whole, a stepped part extending in a horizontal direction along the upper outer side of the lower body, In the material lifting open box which is formed in the vertical direction along the outer side of the part, but composed of an upper body having a form of a normal light lower narrowing width gradually widening toward the upper portion, A material lifting open box having excellent waterproofness, characterized in that a waterproof groove forming part is formed to protrude downward along the surface of the stepped portion. An upper part having an upper part and having an opening part at a lower part thereof, and having a lower body having a form of a normal light narrowing width gradually widening from the lower part to an upper part as a whole, a stepped part extending in a horizontal direction along the upper outer side of the lower body, In the material lifting open box which is formed in the vertical direction along the outer side of the part, but composed of an upper body having a form of a normal light lower narrowing width gradually widening toward the upper portion, A material lifting open box having excellent waterproofness, characterized in that a waterproof jaw forming part protruding upward along the surface of the stepped portion is formed. The material lifting open box according to claim 1 or 2, wherein the cross-sectional shape of the waterproof groove forming part and the waterproof jaw forming part is formed to have any one of a triangle, a semicircle, and a quadrangle.

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