Building assembly type stair
By designing the main body and step platform of the prefabricated staircase, and using a combination of hoisting rings and supporting beams, the problem of cumbersome on-site formwork and complex supporting systems for cast-in-place staircases has been solved, enabling rapid installation and stable hoisting of the stairs, improving construction efficiency and quality.
Patent Information
- Application Number
- CN202420808499.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The cast-in-place stairs have cumbersome steps to support the mold on site and the support system is complex, resulting in poor smoothness and verticality of the stairs, requiring multiple processes to be decorated, with a long maintenance cycle and time-consuming and labor-intensive.
Design a building prefabricated staircase, including the main body of the prefabricated staircase, the downfall platform, the upper step platform, reserved installation holes, non -slip pattern, embedded columns, supporting beams, installation of threaded holes and hanging rings. Design to achieve fast installation and stable hanging.
It achieves rapid installation and stable hoisting of stairs, reduces the complexity of on-site construction and decoration procedures, shortens the maintenance cycle, and improves construction efficiency and quality.
Smart Images

Figure CN222390826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a building assembled staircase. Background Art
[0002] Cast-in-place stairs require cumbersome on-site formwork steps and a complex support system. The stairs have poor smoothness and verticality, require multiple renovation processes, have a long maintenance cycle, and are time-consuming and labor-intensive. Utility Model Content
[0003] The purpose of the utility model is to provide a building assembled staircase to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A building assembled staircase comprises a prefabricated staircase body, a lower step platform, an upper step platform, reserved installation holes, anti-skid patterns, embedded columns, a supporting crossbeam, installation screw holes, and a lifting ring. A lower step platform is integrally formed at the bottom of the prefabricated staircase body, and an upper step platform is integrally formed at the top of the prefabricated staircase body. Both sides of the lower step platform and the upper step platform are provided with reserved installation holes. The top steps of the prefabricated staircase body are provided with anti-skid patterns. Embedded columns are installed on both sides of the upper and lower steps of the prefabricated staircase body. A supporting crossbeam is installed at the bottom of the embedded columns. The supporting crossbeam connects the embedded columns on the left and right sides. The embedded columns are provided with installation screw holes, and the installation screw holes are threaded with lifting rings.
[0006] Preferably: the building assembled staircase also includes an embedded sleeve, a building embedded screw, a fixing gasket and a nut, the embedded sleeve is installed inside the reserved installation hole, the embedded screw of the staircase is pre-installed at the upper and lower installation positions of the prefabricated staircase body and is fixed to the embedded sleeve in the reserved installation hole, the embedded sleeve is installed inside the fixing gasket, and the embedded screw of the staircase is connected to the nut through the fixing gasket.
[0007] The beneficial effects of the utility model are as follows: the utility model has reasonable design and is easy to install; the lifting ring is connected to the bottom cross beam to ensure stable lifting; the upper and lower stepping platforms are connected and installed by prefabricated screws, which is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 This is a schematic diagram of the structure of the utility model building assembled staircase;
[0009] Figure 2 This is a schematic diagram of the structure of the utility model building assembled staircase;
[0010] Figure 3 It is a structural schematic diagram of the utility model of the assembled staircase in the building.
[0011] In the figure: 1. Prefabricated staircase body, 2. Lower step platform, 3. Upper step platform, 4. Reserved installation holes, 5. Anti-slip texture, 6. Embedded columns, 7. Support beams, 8. Installation screw holes, 9. Lifting rings, 10. Embedded sleeves, 11. Embedded screws for stairs, 12. Fixing gaskets, 13. Nuts. DETAILED DESCRIPTION
[0012] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:
[0013] like Figure 1-Figure 3 As shown, a building assembled staircase comprises a prefabricated staircase body 1, a lower step platform 2, an upper step platform 3, reserved installation holes 4, anti-skid patterns 5, embedded columns 6, support beams 7, installation screw holes 8, and lifting rings 9. A lower step platform 2 is integrally formed at the bottom of the prefabricated staircase body 1, and an upper step platform 3 is integrally formed at the top of the prefabricated staircase body 1. Reserved installation holes 4 are provided on both sides of the lower step platform 2 and the upper step platform 3. Anti-skid patterns 5 are provided on the top steps of the prefabricated staircase body 1. Embedded columns 6 are installed on both sides of the upper and lower steps of the prefabricated staircase body 1. A support beam 7 is installed at the bottom of the embedded columns 6. The support beam 7 connects the embedded columns 6 on the left and right sides. Installation screw holes 8 are provided in the embedded columns 6, and lifting rings 9 are threadedly connected to the installation screw holes 8. The building assembled staircase also includes an embedded sleeve 10, a building embedded screw 11, a fixing gasket 12 and a nut 13. The embedded sleeve 10 is installed inside the reserved installation hole 4. The embedded screw 11 of the staircase is pre-installed at the upper and lower installation positions of the prefabricated staircase body 1 and is fixed to the embedded sleeve 10 in the reserved installation hole 4. The embedded sleeve 10 is installed inside the fixing gasket 12. The embedded screw 11 of the staircase passes through the fixing gasket 12 and is connected to the nut 13.
[0014] The method of using the utility model is as follows: during hoisting, the hoisting ring 9 is threadedly installed in the installation screw hole 8, and the prefabricated staircase body is hoisted horizontally using long and short steel wire ropes, and the reserved installation hole 4 is aligned with the embedded screw 11 of the staircase at the installation position, and after being fixed by the nut 13, the hoisting ring 9 is removed, and the reserved installation hole 4 and the installation screw hole 8 are filled with grouting.
[0015] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary, and equivalent changes within the equivalent scope are included in the scope of the present invention.
Claims
1. A building assembled staircase, comprising a prefabricated staircase body (1), a lower step platform (2), an upper step platform (3), a reserved installation hole (4), an anti-slip pattern (5), a pre-buried column (6), a supporting beam (7), an installation screw hole (8), and a lifting ring (9), characterized in that: A lower step platform (2) is integrally formed below the prefabricated staircase body (1), and an upper step platform (3) is integrally formed above the prefabricated staircase body (1). Both sides of the lower step platform (2) and the upper step platform (3) are provided with reserved installation holes (4). The top steps of the prefabricated staircase body (1) are provided with anti-slip grooves (5). Embedded columns (6) are installed on both sides of the upper and lower steps of the prefabricated staircase body (1). A supporting crossbeam (7) is installed at the bottom of the embedded column (6). The supporting crossbeam (7) connects the embedded columns (6) on the left and right sides. The embedded column (6) is provided with an installation screw hole (8). The installation screw hole (8) is threadedly connected to a lifting ring (9).
2. The building assembled staircase according to claim 1, characterized in that: The building assembled staircase further comprises an embedded sleeve (10), a building embedded screw (11), a fixing gasket (12) and a nut (13); the embedded sleeve (10) is installed inside the reserved installation hole (4); the embedded staircase screw (11) is pre-installed at the upper and lower installation positions of the prefabricated staircase body (1) and fixed to the embedded sleeve (10) in the reserved installation hole (4); the embedded sleeve (10) is installed inside the fixing gasket (12); the embedded staircase screw (11) passes through the fixing gasket (12) and is connected to the nut (13).