Safety protection cover plate for assembly type staircase
By designing an adjustable stair cover system, the problems of heavy formwork and inconvenient movement in prefabricated stair construction were solved, achieving convenient protection and efficient construction.
Patent Information
- Application Number
- CN202422991243.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the current construction of prefabricated stairs, the large weight of the formwork makes it difficult to move and requires lifting equipment, which reduces the efficiency of workers and lacks convenient safety measures.
Multiple stair cover plates are fixedly connected by hinges, and the cross plate is fixed to the precast slab steps with bolts. Rubber strips increase friction, reflective stickers provide warnings, and the connecting plate is foldable and adjustable to adapt to different step sizes.
It improves construction efficiency, facilitates the installation, removal and adjustment of cover plates, reduces the risk of slipping, and enhances construction safety and efficiency.
Smart Images

Figure CN223675840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of stair safety protection, in particular to a safety protection cover plate for fabricated stairs. BACKGROUND
[0002] In modern construction engineering, prefabricated components are widely used due to their efficient and fast characteristics, especially prefabricated stair plates, which are usually designed as single large pieces for hoisting and piecewise construction due to their large weight. When piecewise construction is performed, there is a gap between two pieces of prefabricated stair plates, and there is a safety hazard in the middle during waiting for subsequent processing.
[0003] The most commonly used protection method at present is to cover the entire stair area with an integral formwork. Although this method can effectively prevent foreign objects from falling into the unsealed space, it also brings significant problems. The integral formwork is heavy and inconvenient to move, and must be hoisted or removed by lifting equipment, which is not convenient for workers to assemble and disassemble, and reduces the work efficiency of workers. CONTENT OF THE INVENTION
[0004] In order to improve the problem that the integral formwork is heavy and inconvenient to move, and must be hoisted or removed by lifting equipment, which is not convenient for workers to assemble and disassemble, and reduces the work efficiency of workers, the present application provides a safety protection cover plate for fabricated stairs.
[0005] The safety protection cover plate for fabricated stairs provided by the present application adopts the following technical solution:
[0006] A safety protection cover plate for fabricated stairs, comprising a plurality of stair cover plates, the stair cover plate comprising a horizontal plate and a vertical plate fixed to one side of the bottom surface of the horizontal plate, the bottom end of the vertical plate being connected to the top surface of the horizontal plate on the adjacent stair cover plate through a hinge.
[0007] By adopting the above technical solution, the safety protection cover plate is composed of a plurality of stair cover plates, and the two adjacent stair cover plates are fixedly connected through a hinge. When the gap between the two adjacent prefabricated stair plates needs to be protected, the stair cover plate is laid between the two adjacent prefabricated stair plates, so that the bottom surface of the horizontal plate is respectively lapped on the steps of the two prefabricated stair plates, and then the horizontal plate is fixed on the steps of the prefabricated stair plates through bolts, thereby facilitating the assembly and disassembly of the safety protection cover plate by workers, and improving the construction efficiency of the workers.
[0008] Preferably, the top surface of the horizontal plate is fixed with a plurality of rubber strips.
[0009] By adopting the above technical scheme, when the worker steps on the horizontal plate, the friction between the horizontal plate and the bottom of the worker's shoes is increased, thereby reducing the possibility of the worker slipping when stepping on the horizontal plate.
[0010] Preferably, the side top end of the vertical plate is pasted with a reflective sticker.
[0011] By adopting the above technical scheme, the reflective sticker is pasted on the side of the vertical plate, which facilitates safety prompting for the construction personnel.
[0012] Preferably, the stair cover plate comprises a plurality of connecting plates, and two adjacent connecting plates are fixedly connected through hinges.
[0013] By adopting the above technical scheme, the stair cover plate is connected through hinges by a plurality of connecting plates, thereby facilitating folding and recycling of the stair cover plate.
[0014] Preferably, the connecting plate comprises a first step, a plug-in slot is formed in the side of the first step, a second step is slidably arranged in the plug-in slot, and the second step is fixedly connected to the first step on the adjacent connecting plate through a hinge.
[0015] By adopting the above technical scheme, the connecting plate is composed of the first step and the second step, and the first step and the second step are slidably connected. When the height and width of the prefabricated stair step are different, the second step is adjusted, the connecting plate is adjusted according to the height and width of the stair step, and the stair cover plate is laid.
[0016] Preferably, limit grooves are formed in the inner top surface and the inner bottom surface of the plug-in slot, limit blocks are fixed to the top surface and the bottom surface of the second step, and the limit blocks are slidably arranged in the limit grooves.
[0017] By adopting the above technical scheme, when the second step is moved, the limit blocks are moved by the second step, and the limit blocks are moved in the limit grooves, thereby reducing the possibility of the second step being separated from the first step.
[0018] Preferably, through holes are formed in the two sides of the inner top surface of the limit groove, bolts are inserted in the through holes, the bolts are threadedly connected with the inner walls of the through holes, and the bottom ends of the bolts abut against the top surface of the second step.
[0019] By adopting the above technical scheme, when the second step is moved, the bolts are rotated and moved downward, the bottom ends of the bolts abut against the top surface of the second step, and the second step is fixedly connected with the first step.
[0020] Preferably, a plurality of strip grooves are formed in the top surface of the second step, the strip grooves are equidistantly arranged along the width direction of the second step, and the bottom ends of the bolts are inserted in the strip grooves.
[0021] By adopting the technical scheme, the plurality of strip-shaped grooves are arranged on the top surface of the second pedal, and the bottom end of the bolt is inserted into the strip-shaped grooves, so that the second pedal is fixedly connected with the first pedal.
[0022] To sum up, the present application has at least one of the following beneficial technical effects:
[0023] 1. The safety protection cover plate is composed of a plurality of stair cover plates, and two adjacent stair cover plates are fixedly connected through a hinge. When the gap between two adjacent precast stair plates needs to be protected, the stair cover plate is laid between the two adjacent precast stair plates, the bottom surface of the horizontal plate is respectively overlapped on the steps of the two precast stair plates, and then the horizontal plate is fixed on the steps of the precast stair plates through bolts, so that the staff can conveniently assemble and disassemble the safety protection cover plate, thereby improving the construction efficiency of the staff;
[0024] 2. The connecting plate is composed of the first pedal and the second pedal, and the first pedal and the second pedal are slidingly connected. When the height and width of the precast stair steps are different, the second pedal is conveniently moved for adjustment, the connecting plate is adjusted according to the height and width of the stair steps, and the stair cover plate is conveniently laid;
[0025] 3. When the second pedal is moved, the bolt is rotated and moved downward, so that the bottom end of the bolt abuts against the top surface of the second pedal, thereby fixing the second pedal with the first pedal. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a schematic diagram of the overall structure of the safety protection cover plate for the assembled stair in embodiment 1.
[0027] Figure 2 is a schematic diagram of the structure of the stair cover plate in embodiment 1.
[0028] Figure 3 is a schematic diagram of the structure of the stair cover plate in embodiment 2.
[0029] Figure 4 is a schematic diagram of the structure of the connecting plate in embodiment 2.
[0030] Figure 5 is a sectional view of the connecting plate in embodiment 2.
[0031] The reference signs are as follows: 1, stair cover plate; 11, horizontal plate; 12, vertical plate; 13, rubber strip; 14, reflective sticker; 2, connecting plate; 21, first pedal; 22, insertion groove; 23, second pedal; 24, limiting block; 25, limiting groove; 26, through hole; 27, bolt; 28, strip-shaped groove. DETAILED DESCRIPTION
[0032] The following will be described in combination with the drawingsFigures 1-5 The application is further described in detail.
[0033] The application discloses a safety protection cover plate for a fabricated staircase.
[0034] Embodiment 1
[0035] With reference to Figure 1 and Figure 2 , the safety protection cover plate for the fabricated staircase comprises a plurality of staircase cover plates 1 arranged side by side, and two adjacent staircase cover plates 1 are fixedly connected through a hinge. The staircase cover plate 1 comprises a horizontal plate 11, the bottom surface of the horizontal plate 11 is integrally formed with a vertical plate 12 arranged vertically, the side surface of the vertical plate 12 is coplanar with one end surface of the horizontal plate 11, and the bottom end of the vertical plate 12 is hingedly connected to the top surface of the horizontal plate 11 of the adjacent cover plate. A plurality of rubber strips 13 are fixed to the top surface of the horizontal plate 11, and a reflective sticker 14 is attached to the top end of the side surface of the vertical plate 12.
[0036] The implementation principle of Embodiment 1 is that when the gap between two prefabricated plate staircases needs to be protected, a plurality of staircase cover plates 1 hingedly connected are laid on the gap between the two prefabricated plate staircases, so that the bottom surface of the horizontal plate 11 is overlapped on the top surface of the steps of the two prefabricated plate staircases, and the inner side surface of the vertical plate 12 is attached to the side surface of the steps of the prefabricated plate staircases, thereby completing the protection of the gap between the two prefabricated plate staircases, making the laying of the staircase cover plate 1 more convenient, and thereby improving the construction efficiency of the staff.
[0037] Embodiment 2
[0038] With reference to Figure 3 , Figure 4 and Figure 5 , the difference between this embodiment and Embodiment 1 is that the staircase cover plate 1 comprises a connecting plate 2, the connecting plate 2 comprises a first tread plate 21, the side surface of the first tread plate 21 is provided with a plug-in slot 22, a second tread plate 23 is slidingly arranged in the plug-in slot 22, and the second tread plate 23 is fixedly connected to the first tread plate 21 on the adjacent connecting plate 2 through a hinge. The top surface and the bottom surface of the second tread plate 23 are both fixedly provided with a limiting block 24, the inner top surface and the inner bottom surface of the plug-in slot 22 are both provided with a limiting slot 25, and the limiting block 24 is slidingly arranged in the limiting slot 25. The top surface of the first tread plate 21 is provided with a through hole 26 on both sides, the through hole 26 is communicated with the limiting slot 25, a bolt 27 is inserted in the through hole 26, and the bolt 27 is threadedly connected with the inner wall of the through hole 26. The top surface of the second tread plate 23 is provided with a plurality of strip-shaped slots 28, the plurality of strip-shaped slots 28 are equidistantly arranged along the width direction of the second tread plate 23, and the bottom end of the bolt 27 is inserted in the strip-shaped slot 28.
[0039] The implementation principle of the embodiment 2 is that when the step height and width of the prefabricated slab stair are different, the width of the connecting plate 2 is adjusted by moving the second step plate 23, so that the connecting plate 2 can be adjusted according to the width and height of the prefabricated slab stair when being laid, thereby facilitating the laying of the stair cover plate 1.
[0040] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A safety cover for a fabricated stair, characterised in that: The utility model provides a stair cover plate (1) comprising a plurality of side-by-side arranged stair cover plates (1), the stair cover plate (1) comprises a horizontal arranged horizontal plate (11) and the vertical plate (12) fixed to the bottom surface one side of horizontal plate (11), and the bottom end of vertical plate (12) is connected to the top surface of horizontal plate (11) on adjacent stair cover plate (1) through a hinge.
2. A safety cover panel for a modular stair according to claim 1, characterised in that: The top surface of the horizontal plate (11) is fixed with a plurality of rubber strips (13).
3. A safety cover panel for a modular stair according to claim 1, wherein: The side top end of the vertical plate (12) is pasted with a reflective sticker (14).
4. A safety cover panel for a modular stair according to claim 1, wherein: The stair cover plate (1) comprises a connecting plate (2), and two adjacent connecting plates (2) are fixedly connected through a hinge.
5. A safety cover panel for a modular stair according to claim 4, wherein: The connecting plate (2) comprises a first stepping plate (21), a plug-in slot (22) is formed in the side surface of the first stepping plate (21), a second stepping plate (23) is slidably arranged in the plug-in slot (22), and the second stepping plate (23) is fixedly connected to the first stepping plate (21) on the adjacent connecting plate (2) through a hinge.
6. A safety cover panel for a modular stair according to claim 5, wherein: Limiting grooves (25) are formed in the inner top surface and the inner bottom surface of the plug-in slot (22), limiting blocks (24) are fixed to the top surface and the bottom surface of the second stepping plate (23), and the limiting blocks (24) are slidably arranged in the limiting grooves (25).
7. A safety cover for a modular stair according to claim 6, wherein: Through holes (26) are formed in the inner top surface of the limiting groove (25) on both sides, bolts (27) are inserted into the through holes (26), the bolts (27) are threadedly connected with the inner wall of the through holes (26), and the bottom end of the bolt (27) abuts against the top surface of the second stepping plate (23).
8. A safety cover for a modular stair according to claim 7, wherein: A plurality of strip-shaped grooves (28) are formed in the top surface of the second stepping plate (23), the strip-shaped grooves (28) are equidistantly arranged along the width direction of the second stepping plate (23), and the bottom end of the bolt (27) is inserted into the strip-shaped groove (28).