Prefabricated part for quality guarantee and safety protection of reserved hole of concrete structure

Abstract

The utility model discloses a concrete structure reserved hole quality guarantee and safety protection prefabricated part which comprises a pouring base and further comprises a water retaining ridge, the water retaining ridge is integrally arranged on the upper end face of the pouring base, and a reserved hole is formed from the upper end face of the water retaining ridge to the lower end face of the pouring base in a penetrating mode. And reinforcing steel bars are laid at the bottom ends of the interiors of the reserved holes in a latticed manner. The water retaining ridge incompletely covers the upper end face of the pouring base, and a pouring face is reserved on the upper end face of the pouring base along the periphery of the water retaining ridge. And a first draft surface is arranged on the side surface of the pouring seat. According to the utility model, the water retaining ridge is arranged, and the water retaining ridge is integrally constructed during pouring, so that the waterproof and anti-seepage capacities of the reserved hole opening structure can be enhanced, the water retaining ridge does not need to be secondarily processed, and the construction efficiency is improved; and by arranging the reinforcing steel bars, the latticed reinforcing steel bars are additionally arranged during pouring, the reserved holes can be protected, and the safety during construction is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated components for construction, in particular to a prefabricated component for quality assurance and safety protection of a reserved opening of a concrete structure. Background Art

[0002] During the construction of the reinforced concrete main structure, horizontal openings need to be reserved for various water and electricity wells, ventilation wells, kitchen and bathroom exhaust ducts, etc., which involves multiple aspects such as formwork, quality control, safety protection, and later installation. It is a key and difficult content of project construction management. Formwork is required during construction, and the template is difficult to fix. There are always deviations in the position and plane size of the reserved openings. Subsequent installation requires chiseling and rework, and the opening forming effect is poor and the visual quality is poor. At the same time, the reserved openings require special safety protection during the entire construction process. The operation cost is high and the effect is often poor and rework is repeated. Therefore, in order to improve construction efficiency and increase the effect and quality of reserved openings, most construction units now use prefabricated components to reserve openings.

[0003] In the prior art, the utility model patent with patent number CN201821077239.9 discloses a precast concrete plate-type component reserved hole sleeve frame, which is used for precasting various concrete plate-type component reserved holes, and is suitable for use in various platforms and vertical combination molds to produce various plate-type component reserved hole templates. The sleeve frame includes an upper frame, a lower frame and a vertical frame, and the upper frame, the vertical frame and the lower frame are fixedly connected in sequence to form a sleeve frame structure. The inner hole size of the sleeve frame structure corresponds to the inner hole size of the reserved hole, and the width is consistent with the thickness of the plate-type component, which is suitable for reserved holes of various structural shapes. The precast concrete plate-type component reserved hole sleeve frame has a simple structure, is easy to manufacture and install, is easy to mechanized and fixed-length production, and replaces a variety of templates for precast doors, windows or other holes of various specifications. The sleeve frame structure is the same material as the plate-type component and does not need to be dismantled, is low in cost, is green, environmentally friendly, economical and applicable, is firmly and beautifully connected to the wall, and has a neat and smooth exposed surface. It can be directly tooled and has reliable quality, and is worth promoting and applying.

[0004] The above patent describes a precast concrete slab component reserved opening frame, which can be mechanized and manufactured by setting an upper frame, a lower frame and a vertical frame, and does not need to be dismantled after installation and use. It is firmly and beautifully connected to the wall, and the exposed surface is neat and smooth. However, in some construction buildings, it is not only necessary to leave a reserved opening on the wall, but also to reserve a horizontal opening on the top of the building. However, the existing reserved openings have no anti-ridge or require secondary construction to add an anti-ridge, which is cumbersome and not conducive to water blocking and leakage prevention during the entire construction process of the project, as well as the subsequent construction and closure of the waterproof layer in the water-rich room. In addition, during the construction process, it is necessary to specially set up safety protection in the reserved opening, which has high operating costs and often poor results and repeated rework. Further improvement is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated component for quality assurance and safety protection of reserved openings in a concrete structure, aiming to improve the problem that the existing prefabricated components for reserved openings lack anti-ridges, resulting in poor water-retaining and anti-seepage capabilities during construction, and the need for secondary processing, which not only increases construction costs, but also has unsatisfactory effects, resulting in time-consuming and labor-intensive problems.

[0006] The utility model is implemented as follows: a prefabricated component for quality assurance and safety protection of reserved openings in a concrete structure, comprising a casting seat and a water retaining sill, wherein the upper end surface of the casting seat is integrally provided with a water retaining sill, a reserved hole is provided from the upper end surface of the water retaining sill to the lower end surface of the casting seat, and steel bars are laid in a grid-like manner at the inner bottom end of the reserved hole.

[0007] Preferably, the water retaining ridge does not completely cover the upper end surface of the casting seat, and a casting surface is left on the upper end surface of the casting seat along the four sides of the water retaining ridge.

[0008] Preferably, a first draft surface is provided on the side of the casting seat.

[0009] Preferably, a second draft surface is further included, and the inner wall of the reserved hole is provided with the second draft surface.

[0010] Preferably, the casting seat and the water retaining sill are integrally cast by cement.

[0011] Preferably, the height of the casting seat is lower than the thickness of the concrete casting.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a water retaining sill, and the water retaining sill is integrally constructed during pouring, so that the waterproof and anti-seepage capabilities of the reserved hole structure are enhanced, and secondary processing of the water retaining sill is unnecessary, thereby improving construction efficiency.

[0014] 2. The utility model can protect the reserved holes and improve the safety during construction by arranging steel bars and adding grid-shaped steel bars during pouring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cross section of the utility model.

[0017] In the figure: 1, casting seat; 101, first draft surface; 102, casting surface; 2, water retaining sill; 3, steel bar; 4, reserved hole; 401, second draft surface. DETAILED DESCRIPTION

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] The following is a further description with reference to the accompanying drawings and specific embodiments: Example 1

[0020] like Figure 1 and Figure 2 As shown, a prefabricated component for quality assurance and safety protection of reserved openings in a concrete structure comprises a casting seat 1, a first draft surface 101 is arranged on the side of the casting seat 1, and the first draft surface 101 is arranged not only to facilitate demoulding when casting the prefabricated component, but also to allow the prefabricated component to have a support surface when casting concrete through the first draft surface 101, and to be stably seated on the concrete, and also comprises a water retaining sill 2, and the upper end surface of the casting seat 1 is integrally provided with the water retaining sill 2, and the waterproof and anti-seepage ability of the water retaining sill 2 can be improved by integrally providing the water retaining sill 2, and the manufacturing is convenient, the water retaining sill 2 does not completely cover the upper end surface of the casting seat 1, and a casting surface 102 is reserved on the upper end surface of the casting seat 1 along the four sides of the water retaining sill 2, and the casting surface is reserved by 102 can make the concrete wrap the casting seat 1 through the casting surface 102 after casting and solidification, so as to prevent the casting seat 1 from falling off. A reserved hole 4 is provided from the upper end surface of the water retaining sill 2 to the lower end surface of the casting seat 1, and it also includes a second draft surface 401. By setting the second draft surface 401, the prefabricated component can be easily demoulded after the production is completed. The inner wall of the reserved hole 4 is provided with a second draft surface 401. The inner bottom end of the reserved hole 4 is laid with steel bars 3 in a grid shape. By laying the steel bars 3 in a grid shape inside the reserved hole 4, the inside of the reserved hole 4 can be safely protected, thereby improving the safety of construction. The casting seat 1 and the water retaining sill 2 can be cast as a whole by cement; the height of the casting seat 1 is lower than the thickness of the concrete casting. Example 2

[0021] like Figure 1 and Figure 2As shown, a prefabricated component for quality assurance and safety protection of reserved openings in a concrete structure comprises a casting seat 1, a first draft surface 101 is arranged on the side of the casting seat 1, and also comprises a water retaining sill 2, the upper end surface of the casting seat 1 is integrally provided with the water retaining sill 2, the water retaining sill 2 does not completely cover the upper end surface of the casting seat 1, a casting surface 102 is left around the upper end surface of the casting seat 1 along the water retaining sill 2, a reserved hole 4 is arranged from the upper end surface of the water retaining sill 2 to the lower end surface of the casting seat 1, and further comprises a second draft surface 401, the inner wall of the reserved hole 4 is provided with the second draft surface 401, the inner bottom end of the reserved hole 4 is grid-laid with steel bars 3, the casting seat 1 and the water retaining sill 2 are integrally cast by cement; the height of the casting seat 1 is lower than the casting thickness of the concrete.

[0022] The working principle of the utility model is as follows: when a prefabricated component with a reserved hole is needed, the prefabricated component is placed at the position where the hole needs to be reserved, and then concrete is poured, and the concrete is poured to a position that exceeds the upper end surface of the pouring surface 102 and does not exceed the water retaining sill 2. After the concrete solidifies, the concrete is clamped between the first draft surface 101 and the pouring surface 102, so that the reserved component can be stable and will not fall off, and the reserved hole can be realized.

[0023] In summary, the utility model provides a water retaining sill 2. The water retaining sill 2 is integrally constructed during pouring, which can enhance the waterproof and anti-seepage capabilities of the reserved hole structure without the need for secondary processing of the water retaining sill 2, thereby improving construction efficiency; and the steel bars 3 are provided. The grid-shaped steel bars 3 are added during pouring, so that the reserved holes 4 can be protected, thereby improving safety during construction.

[0024] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A prefabricated component for quality assurance and safety protection of reserved openings in a concrete structure, comprising a casting seat (1), characterized in that: It also comprises a water retaining sill (2), the upper end surface of the casting seat (1) being integrally provided with the water retaining sill (2), a reserved hole (4) being provided from the upper end surface of the water retaining sill (2) to the lower end surface of the casting seat (1), and the inner bottom end of the reserved hole (4) being provided with steel bars (3) in a grid-like manner.

2. A prefabricated component for quality assurance and safety protection of reserved openings in concrete structures according to claim 1, characterized in that: The water retaining sill (2) does not completely cover the upper end surface of the casting seat (1), and a casting surface (102) is left around the upper end surface of the casting seat (1) along the water retaining sill (2).

3. A prefabricated component for quality assurance and safety protection of reserved openings in concrete structures according to claim 1, characterized in that: A first draft surface (101) is provided on the side surface of the casting seat (1).

4. The prefabricated component for quality assurance and safety protection of reserved openings in concrete structures according to claim 1 is characterized in that: In addition, a second draft surface (401) is included. The inner wall of the reserved hole (4) is provided with the second draft surface (401).

5. The prefabricated component for quality assurance and safety protection of reserved openings in concrete structures according to claim 1 is characterized in that: The casting seat (1) and the water retaining sill (2) are integrally cast from cement.

6. The prefabricated component for quality assurance and safety protection of reserved openings in concrete structures according to claim 1 is characterized in that: The height of the casting seat (1) is lower than the thickness of the concrete casting.

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