Open type stair formwork structure

Abstract

The utility model discloses an open type stair formwork structure which comprises a stair flight bottom formwork, side formworks are fixed to the two sides of the stair flight bottom formwork, a plurality of step kicking face formworks are arranged between the two side formworks at intervals in the extending direction, and the step kicking face formworks are fixedly connected through a plurality of square wood strips. A plurality of supporting formworks are fixedly connected to the side face of each square wood bar, and one end of each supporting formwork abuts against the side kicking face of the corresponding step kicking face formwork. According to the scheme, the structure is simple, installation is convenient and fast, the top face of the step kicking face formwork can serve as a treading face for people to pass up and down, the structure is stable, bending deformation is not likely to happen, safe passing of constructors up and down is guaranteed, meanwhile, stair steel bars and stair supporting formworks are effectively prevented from being treaded by the passing people to deform, and the safety of the constructors is improved. And the problems of deformation of steps, missing of edges and corners and the like after concrete pouring of the stairs are caused are solved, later-stage repair of a project is reduced, and a promotion effect is achieved for standardizing stair formwork construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to stair formwork construction technical field, concretely relates to an open type stair formwork structure. BACKGROUND

[0002] Stairs are indispensable functional components of house construction, and the forming quality is difficult to guarantee in the construction process of cast-in-place reinforced concrete stairs. Before pouring concrete, stairs are also an important passageway for construction personnel on the construction floor, and stair reinforcement and stair support formwork are easily deformed by passing personnel, resulting in common deformation of stair steps after concrete pouring and common edge loss and corner loss, especially in cast-in-place reinforced concrete open type stairs. Therefore, how to do well in the formwork sub-item project of cast-in-place reinforced concrete open type stairs is a key factor to guarantee the forming quality of stairs. UTILITY MODEL CONTENT

[0003] In view of the above shortcomings of the prior art, the utility model provides an open type stair formwork structure to solve the technical problems mentioned in the background art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides an open type stair formwork structure, which comprises a stair section bottom formwork, both sides of the stair section bottom formwork are fixed with side formworks, a plurality of step kick surface formworks are arranged at intervals in the extension direction between the two side formworks, and the plurality of step kick surface formworks are fixedly connected through a plurality of wooden frame strips.

[0006] Further, the plurality of wooden frame strips are arranged in parallel with the side formworks, and the plurality of wooden frame strips are evenly arranged at intervals between the two side formworks, and each wooden frame strip is fixedly connected with the plurality of step kick surface formworks through a plurality of iron nails.

[0007] Further, a plurality of support formworks are fixedly connected on the side surface of each wooden frame strip through a plurality of iron nails, and one end of the plurality of support formworks respectively abuts against the side kick surface of the plurality of step kick surface formworks.

[0008] Further, the distance between the two adjacent wooden frame strips is not greater than 1200mm.

[0009] Further, a plurality of rectangular grooves are arranged at intervals in the extension direction of the two side formworks, and both ends of the plurality of step kick surface formworks are fixedly clamped in the rectangular grooves on the two side formworks.

[0010] Further, the horizontal distance between the two adjacent step kick surface formworks is equal to the tread width of the stair, the top surface of one of the two adjacent step kick surface formworks is flush with the bottom surface of the other step kick surface formwork, and the height of the step kick surface formwork is equal to the kick surface height of the stair.

[0011] Further, the width of the top surface of the step kickboard template is not less than 120mm.

[0012] The utility model discloses the beneficial effects are:

[0013] The step kickboard template of the scheme is used as the kickboard template of the stair, and the top surface of the step kickboard template is also the treading surface convenient for personnel to go up and down; the stair section bottom template and the side template are used as the bottom die and the side die for reinforcing bar binding and concrete pouring forming respectively, and can bear the load of the step kickboard template and transfer the load to the stair section bottom template; the step kickboard template is fixed once by the wooden frame strip arranged at intervals, and is fixed secondly by the lateral support of the support template, so that the step kickboard template structure is stable, the load and the bending resistance of the step kickboard template are improved, the safe passage of the construction personnel is ensured, the deformation of the stair reinforcing bar and the stair support template caused by the passage of personnel is effectively avoided, the problems such as the deformation of the step, the lack of edge and the corner loss of the stair after concrete pouring are avoided, the post-construction repair is reduced, and the stair formwork construction is promoted. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the open stair formwork structure.

[0015] Figure 2 It is a side view of the open stair formwork structure.

[0016] Wherein, 1, stair section bottom template, 2, side template, 3, step kickboard template, 4, wooden frame strip, 5, support template, 6, rectangular groove, 7, side kickboard, 8, iron nail. DETAILED DESCRIPTION

[0017] The specific embodiment of the utility model is described below, so that the person skilled in the art can understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific embodiment, and for the ordinary skilled person in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the appended claims, these changes are obvious, and all the utility model creations using the utility model concept are protected.

[0018] For example, Figure 1 And Figure 2As shown, the open stair formwork structure of the present solution comprises a stair segment bottom formwork 1, and both sides of the stair segment bottom formwork 1 are fixed with side formworks 2, wherein the stair segment bottom formwork 1 and the side formworks 2 are respectively used as the bottom formwork and the side formwork for reinforcement binding and concrete pouring and molding, and the thickness of each is 18 mm; a plurality of step kick surface formworks 3 are arranged in an extending direction between the two side formworks 2 in an interval manner, and the middle part of the plurality of step kick surface formworks 3 is fixedly connected through a wood batten 4.

[0019] As an optional implementation manner, only one wood batten 4 is arranged between the two side formworks 2 in the embodiment, and when the interval of the two side formworks 2 is large, the number of the wood battens 4 can be appropriately increased, and the plurality of wood battens 4 are arranged in parallel with the side formworks 2, and the plurality of wood battens 4 are arranged in an interval manner between the two side formworks 2, and the interval of the adjacent two wood battens 4 can be 1200 mm; each wood batten 4 is fixedly connected with the plurality of step kick surface formworks 3 through the plurality of iron nails 8, so that the plurality of step kick surface formworks 3 are fixed once through the wood batten 4 and connected into an integral whole; a plurality of support formworks 5 are fixedly connected on the side surface of each wood batten 4 through the plurality of iron nails 8, and one end of each of the plurality of support formworks 5 is respectively abutted with the side kick surface 7 of the plurality of step kick surface formworks 3; so that the plurality of step kick surface formworks 3 are fixed twice through the lateral support, the structure of the step kick surface formwork 3 is stable, and the load and bending resistance of the step kick surface formwork 3 are improved.

[0020] As an optional implementation manner, a plurality of rectangular grooves 6 are arranged in an interval manner in the extending direction of the two side formworks 2, and both ends of the plurality of step kick surface formworks 3 are respectively fixedly arranged in the rectangular grooves 6 on the two side formworks 2; so that the plurality of step kick surface formworks 3 are convenient to install.

[0021] As an optional implementation manner, the horizontal interval of the adjacent two step kick surface formworks 3 is equal to the tread width of the stair, the top surface of one of the adjacent two step kick surface formworks 3 is flush with the bottom surface of the other one, and the height of the step kick surface formwork 3 is equal to the kick surface height of the stair; so that the step kick surface formwork 3 can be used as the kick surface formwork of the stair, and the top surface of the step kick surface formwork 3 is also the tread surface for the personnel to pass through, and the width of the top surface of the step kick surface formwork 3 is not less than 120 mm, so as to facilitate the personnel to tread stably.

[0022] In summary, the present solution has simple structure and convenient installation, the top surface of the step kick surface formwork 3 can be used as the tread surface for the personnel to pass through, and the structure is stable and not easy to be bent and deformed, so as to ensure the safe passing of the construction personnel, effectively avoid the deformation of the stair reinforcement and the stair support formwork 5 caused by the passing personnel, avoid the problems of the deformation of the step, the missing of the edge and the corner loss of the stair after the concrete pouring, reduce the post-construction repair, and promote the standardization of the stair formwork construction.

Claims

1. An open stair formwork structure, characterized by, The template for the bottom of the stair section is provided with side templates fixed on both sides, and a plurality of step kickboard templates are arranged in the extension direction between the two side templates.

2. The open stair formwork structure according to claim 1, wherein, The plurality of wooden frame strips are arranged in parallel with the side templates and are evenly arranged between the two side templates.

3. The open stair formwork structure according to claim 2, wherein, The side surface of each wooden frame strip is fixed with a plurality of support templates through a plurality of iron nails.

4. The open stair formwork structure according to claim 3, wherein, The distance between the two adjacent wooden frame strips is not greater than 1200mm.

5. The open stair formwork structure according to claim 1, wherein, The two side templates are provided with a plurality of rectangular grooves arranged in the extension direction, and the two ends of the plurality of step kickboard templates are respectively fixed in the rectangular grooves on the two side templates.

6. The open stair formwork structure according to claim 1, wherein, The horizontal distance between the two adjacent step kickboard templates is equal to the tread width of the stair, the top surface of one of the two adjacent step kickboard templates is flush with the bottom surface of the other step kickboard template, and the height of the step kickboard template is equal to the kickboard height of the stair.

7. The open stair formwork structure according to claim 1, wherein The width of the top surface of the step kickboard template is not less than 120mm.

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