Prefabricated stair convenient to install

By designing installation grooves and fixing grooves on the prefabricated staircase body and utilizing the insertion and snap-fit ​​method of connecting floor slabs, the problem of complex installation of prefabricated staircases is solved, thus simplifying installation and improving efficiency.

CN223805794UActive Publication Date: 2026-01-16KEYI COLLEGE OF ZHEJIANG SCI TECH UNIV
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Patent Information

Application Number
CN202520092611.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-16
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Existing prefabricated stairs require two separate processes for prefabrication and installation, which makes installation complex and prone to errors.

Method used

Design a prefabricated staircase that is easy to install. It adopts an installation groove and fixing groove structure, and connects the prefabricated staircase body by inserting and snapping the connecting floor slab, and fixes it by pouring in the injection hole.

Benefits of technology

This simplifies the installation process of prefabricated stairs, improving installation efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223805794U_ABST
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Abstract

The utility model discloses a prefabricated stairway convenient to install, which comprises a prefabricated stairway main body, an installation structure is arranged in the prefabricated stairway main body, the installation structure comprises an installation groove, a connecting floor slab and a fixing groove, the installation groove is horizontally arranged on one side of the top of the prefabricated stairway main body, and the connecting floor slab is arranged in the installation groove. The fixing grooves are formed in the upper surfaces of the bottoms of the prefabricated stair bodies, one ends of the connecting floor slabs are inserted into the mounting grooves, the other ends of the connecting floor slabs are clamped into the fixing grooves and flush with the tops of the prefabricated stair bodies, the two prefabricated stair bodies are connected through the two ends of the connecting floor slabs correspondingly, and the floor slabs are inserted into the mounting grooves and clamped into the fixing grooves. And a complete stair is formed to connect two layers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated component technical field, especially prefabricated stair of convenient installation. BACKGROUND

[0002] Prefabricated component refers to the steel, wood or concrete component that is prefabricated according to design specifications in factory or site.

[0003] The current prefabricated stair needs to be prefabricated and installed in two sections, which leads to complicated prefabrication and difficult installation, and the installation site is difficult to distinguish, and errors are prone to occur. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a prefabricated stair convenient to install.

[0006] (II) technical scheme

[0007] In order to achieve the above purposes, the above technical purposes of the utility model are realized by the following technical scheme: a prefabricated stair convenient to install, which comprises a prefabricated stair body, an installation structure is arranged in the prefabricated stair body, the installation structure comprises an installation groove, a connecting floor slab and a fixing groove, the installation groove is horizontally arranged on one side of the top of the prefabricated stair body, the fixing groove is arranged on the upper surface of the bottom of the prefabricated stair body, one end of the connecting floor slab is inserted into the installation groove, and the other end of the connecting floor slab is clamped into the fixing groove and flush with the top of the prefabricated floor slab body.

[0008] As a preferred, the connecting floor slab comprises a floor slab body, a connecting plate and a clamping plate, the clamping plate is fixedly connected with the middle of one side of the floor slab body, the connecting plate is fixedly connected with the top of one side of the floor slab body, the horizontal height of the floor slab body is flush with the clamping plate and higher than the connecting plate, the clamping plate is clamped with the fixing groove, and the installation groove is slidingly connected with the connecting plate.

[0009] As a preferred, the top of the prefabricated stair body is provided with a pouring hole, and the pouring hole is connected with the installation groove.

[0010] As a preferred, the prefabricated stair body is composed of steps, the steps are fixedly connected, and the upper surface of the step is provided with an anti-skid groove.

[0011] As a preferred, the prefabricated stair body is fixedly connected with a handrail.

[0012] As a preferred, the top of the floor slab body is fixedly connected with a baffle.

[0013] (III) beneficial effects

[0014] The utility model provides a prefabricated stair of convenient installation. Possess following beneficial effect:

[0015] 1. two prefabricated stair main parts are connected respectively through connecting floor slab both ends, and connecting floor slab is inserted into installation slot and is connected into fixed slot, and two floors are connected to form a complete stair. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective view of one embodiment of the utility model;

[0017] Figure 2 It is the side view of prefabricated stair main part;

[0018] Figure 3 It is the side view of connecting floor slab.

[0019] Sign meaning: 1, prefabricated stair main part; 2, installation slot; 3, connecting floor slab; 4, fixed slot; 5, floor slab main part; 6, connecting plate; 7, clamping plate; 8, pouring hole; 9, stair; 10, anti-skid groove; 11, handrail; 12, baffle. DETAILED DESCRIPTION

[0020] The following described only is the preferred embodiment of the utility model, and the protection scope is not only limited to this embodiment, and belongs to the protection scope of the utility model for the technical scheme under the idea of the utility model. It should be pointed out simultaneously for ordinary skilled person in the prior art that under the prerequisite of not departing from the principle of the utility model, a number of improvements and refinements, and these improvements and refinements should be regarded as the protection scope of the utility model.

[0021] As shown in the figure, a prefabricated stair of convenient installation, including prefabricated stair main part 1. Prefabricated stair main part 1 is composed of stair 9, and the stair 9 is fixedly connected, and the upper surface of the stair 9 is provided with anti-skid groove 10. The prefabricated stair main part 1 is fixedly connected with the handrail 11 on the surface. The floor slab main part 5 is fixedly connected with the baffle 12 on the top.

[0022] The prefabricated stair main part 1 is provided with an installation structure, and the installation structure includes an installation slot 2, a connecting floor slab 3 and a fixed slot 4. The installation slot 2 is horizontally provided on one side of the top of the prefabricated stair main part 1, the fixed slot 4 is provided on the upper surface of the bottom of the prefabricated stair main part 1, one end of the connecting floor slab 3 is inserted into the installation slot 2, and the other end of the connecting floor slab 3 is connected into the fixed slot 4 and flush with the top of the prefabricated floor slab main part 5. The prefabricated stair main part 1 is provided with a pouring hole 8 on the top, and the pouring hole 8 is connected with the installation slot 2.

[0023] The connecting floor 3 comprises a floor body 5, a connecting plate 6 and a clamping plate 7, the clamping plate 7 is fixedly connected with the middle of one side of the floor body 5, the connecting plate 6 is fixedly connected with the top of one side of the floor body 5, the horizontal height of the floor body 5 is flush with the clamping plate 7 and higher than the connecting plate 6, the clamping plate 7 is clamped with the fixed slot 4, and the installation slot 2 is slidingly connected with the connecting plate 6.

[0024] Working principle: when installing the prefabricated stairs, first place the prefabricated stair body 1 on the first floor, then install the prefabricated plate, the prefabricated plate is clamped in the fixed slot 4 and poured for one layer, and the bottom is installed. The connecting plate 6 of the floor body 5 is inserted into the installation slot 2 from the side, and then poured with cement from the pouring hole. Then hoist another prefabricated stair body 1 so that the clamping plate 7 is clamped into the new fixed slot 4, limit the new prefabricated stair body 1 and fix it with a support, then insert the prefabricated plate into the installation slot 2 and fix it with a support, and then pour for the second time. In this way, the stairs are installed while the floor is poured, improving the efficiency.

[0025] In summary, by connecting two prefabricated stair bodies 1 at both ends of the connecting floor 3, and inserting the floor into the installation slot 2 and clamping it into the fixed slot 4, a complete stair connecting two floors is formed.

Claims

1. A prefabricated type stair for easy installation comprising a prefabricated stair body (1), characterized in that, The precast stair body (1) is internally provided with a mounting structure, the mounting structure comprises a mounting slot (2), a connecting floor (3) and a fixing slot (4), the mounting slot (2) is horizontally arranged on one side of the top of the precast stair body (1), the fixing slot (4) is arranged on the upper surface of the bottom of the precast stair body (1), one end of the connecting floor (3) is inserted into the mounting slot (2), and the other end of the connecting floor (3) is clamped into the fixing slot (4) and flush with the top of the precast floor body (5).

2. A precast stairway for ease of installation according to claim 1, wherein, The connecting floor (3) comprises a floor body (5), a connecting plate (6) and a clamping plate (7), the clamping plate (7) is fixedly connected with the middle of one side of the floor body (5), the connecting plate (6) is fixedly connected with the top of one side of the floor body (5), the floor body (5) is flush with the clamping plate (7) and higher than the connecting plate (6) in horizontal height, the clamping plate (7) is clamped with the fixing slot (4), and the mounting slot (2) is slidingly connected with the connecting plate (6).

3. A precast stairway for ease of installation according to claim 2, wherein, The precast stair body (1) is internally provided with a mounting structure, the mounting structure comprises a mounting slot (2), a connecting floor (3) and a fixing slot (4), the mounting slot (2) is horizontally arranged on one side of the top of the precast stair body (1), the fixing slot (4) is arranged on the upper surface of the bottom of the precast stair body (1), one end of the connecting floor (3) is inserted into the mounting slot (2), and the other end of the connecting floor (3) is clamped into the fixing slot (4) and flush with the top of the precast floor body (5).

4. A precast stair of claim 3, wherein, The precast stair body (1) is composed of steps (9), and the steps (9) are fixedly connected, and the upper surfaces of the steps (9) are provided with anti-skid grooves (10).

5. A precast stair of claim 4 wherein, The precast stair body (1) is externally fixedly connected with a handrail (11).

6. A precast stair of claim 5, wherein, The top of the floor body (5) is fixedly connected with a baffle (12).