A modular stair installation assembly
By assembling modular horizontal treads and vertical connecting plates on-site, the transportation and installation limitations of traditional prefabricated stairs in scenarios with limited installation space are solved, achieving rapid installation and improved strength.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN XINGYAN CONSTR GRP CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-05-26
AI Technical Summary
Traditional prefabricated staircases, due to their fixed length, face limitations in transportation and installation in scenarios with limited installation space, resulting in a longer construction period.
It adopts modular transverse pedals and longitudinal connecting plates, and is assembled on-site through the first and second connecting structures. Combined with the support structure, it improves strength and stability, and achieves rapid installation.
This avoids the transportation and installation limitations caused by excessive size, making installation faster and improving the strength and stability of the staircase.
Smart Images

Figure CN224281805U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of staircase technology, and in particular to a prefabricated staircase installation component. Background Technology
[0002] Stairs are components in buildings that serve as vertical transportation links between floors, connecting different floors and areas with significant height differences. Traditional staircases typically require concrete pouring, resulting in a long construction period. To shorten the construction time, prefabricated staircase structures have emerged. These structures involve prefabricating staircase components in a factory and then transporting them to the site for installation, effectively reducing the construction period. However, since the length of a staircase is not fixed, the entire staircase often needs to be manufactured before being transported to the installation location. This type of prefabricated staircase is clearly unsuitable for scenarios with limited installation space.
[0003] Therefore, there is an urgent need for a prefabricated staircase installation component that can solve the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a prefabricated staircase installation component to solve the problems existing in the prior art.
[0005] To achieve the above objectives, this utility model provides the following solution:
[0006] This utility model provides a prefabricated staircase installation component, including a horizontal tread and a vertical connecting plate. The horizontal tread has a first connecting structure at both its front and rear ends, and the first connecting structures at both ends are symmetrically arranged along the center of the horizontal tread. The vertical connecting plate has a second connecting structure at both its upper and lower ends, and the second connecting structures at both ends are symmetrically arranged along the center of the vertical connecting plate. The second connecting structures are slidably connected to the first connecting structures. A support structure is fixed between the bottom of the horizontal tread and the rear of the vertical connecting plate.
[0007] Preferably, the upper surface of the transverse pedal is provided with anti-slip texture.
[0008] Preferably, the first connecting structure includes a first bent portion, which is vertically fixed to the end of the transverse pedal. A second bent portion is vertically fixed to the end of the first bent portion, a third bent portion is vertically fixed to the end of the second bent portion, a fourth bent portion is vertically provided to the end of the third bent portion, and a fifth bent portion is vertically provided to the end of the fourth bent portion.
[0009] Preferably, the first bend, the second bend, the third bend, the fourth bend, and the fifth bend are welded together or integrally formed.
[0010] Preferably, the second connecting structure includes a sixth bend, which is vertically fixed to the end of the longitudinal connecting plate and is located between the fourth bend and the transverse pedal. A seventh bend is vertically fixed to the end of the sixth bend, which is located between the fifth bend and the first bend. An eighth bend is vertically fixed to the end of the seventh bend, which is located between the fifth bend and the second bend. A ninth bend is vertically provided at the end of the eighth bend, which is located between the fifth bend and the third bend.
[0011] Preferably, the sixth bend, the seventh bend, the eighth bend, and the ninth bend are welded together or integrally formed.
[0012] Preferably, the surfaces of the first bend, the second bend, the third bend, the fourth bend, the fifth bend, the sixth bend, the seventh bend, the eighth bend, and the ninth bend are all coated with a polytetrafluoroethylene coating.
[0013] Preferably, the support structure includes a first support base and a second support base. The first support base is fixed to the bottom of the transverse pedal, and the second support base is fixed to the rear of the longitudinal connecting plate. Both the first support base and the second support base are provided with spherical cavities, and ball heads are rotatably provided in the spherical cavities. The ball heads in the first support base and the ball heads in the second support base are connected by stress support rods.
[0014] Preferably, an elastic rubber sleeve is provided between the spherical cavity and the ball head.
[0015] The present invention achieves the following beneficial technical effects compared to the prior art:
[0016] This utility model provides a prefabricated staircase installation component, including a transverse tread and a longitudinal connecting plate. The transverse tread has a first connecting structure at both its front and rear ends, symmetrically arranged along the center of the transverse tread. The longitudinal connecting plate has a second connecting structure at both its upper and lower ends, symmetrically arranged along the center of the longitudinal connecting plate. The second connecting structures are slidably connected to the first connecting structures. A support structure is fixed between the bottom of the transverse tread and the rear of the longitudinal connecting plate. By using modular transverse treads and longitudinal connecting plates, the staircase can be assembled on-site using the first and second connecting structures, avoiding the transportation and installation limitations caused by the large size of the entire prefabricated staircase. Installation is more convenient and faster. Furthermore, the support structure between the transverse tread and the longitudinal connecting plate effectively improves the strength and load-bearing capacity of the staircase. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 A schematic diagram of a prefabricated staircase installation component provided by this utility model;
[0019] Figure 2 A schematic diagram of the first connection structure in a prefabricated staircase installation assembly provided by this utility model;
[0020] Figure 3 A schematic diagram of the second connection structure in a prefabricated staircase installation assembly provided by this utility model. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] The purpose of this invention is to provide a prefabricated staircase installation component to solve the problems existing in the prior art.
[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0024] Example 1:
[0025] This embodiment provides a prefabricated staircase installation component, such as... Figure 1 As shown, it includes a transverse pedal 1 and a longitudinal connecting plate 2, which can be made of steel plate for easy prefabrication. The transverse pedal 1 has a first connecting structure 3 at both the front and rear ends, and the first connecting structures 3 at both ends are symmetrically arranged along the center of the transverse pedal 1. The longitudinal connecting plate 2 has a second connecting structure 4 at both the top and bottom ends, and the second connecting structures 4 at both ends are symmetrically arranged along the center of the longitudinal connecting plate 2. The second connecting structure 4 and the first connecting structure 1 are slidably connected. A support structure 5 is fixed between the bottom of the transverse pedal 1 and the rear of the longitudinal connecting plate 2.
[0026] As one implementation method, the upper surface of the transverse pedal 1 is provided with anti-slip texture to improve the anti-slip effect.
[0027] As one implementation method, such as Figure 2 As shown, the first connecting structure 3 includes a first bending portion 31, which is vertically fixed to the end of the transverse pedal 1. A second bending portion 32 is vertically fixed to the end of the first bending portion 31, a third bending portion 33 is vertically fixed to the end of the second bending portion 32, a fourth bending portion 34 is vertically provided to the end of the third bending portion 33, and a fifth bending portion 35 is vertically provided to the end of the fourth bending portion 34.
[0028] In one embodiment, the first bend 31, the second bend 32, the third bend 33, the fourth bend 34 and the fifth bend 35 are integrally formed and then welded to the transverse pedal 1. In this way, the first connecting structure 3 can be made of a rigid material such as cast iron, thereby ensuring the strength of the connection position.
[0029] As one implementation method, such as Figure 3 As shown, the second connecting structure 4 includes a sixth bend 41, which is vertically fixed to the end of the longitudinal connecting plate 2 and is located between the fourth bend 34 and the transverse pedal 1. A seventh bend 42 is vertically fixed to the end of the sixth bend 41 and is located between the fifth bend 35 and the first bend 31. An eighth bend 43 is vertically fixed to the end of the seventh bend 42 and is located between the fifth bend 35 and the second bend 32. A ninth bend 44 is vertically provided at the end of the eighth bend 43 and is located between the fifth bend 35 and the third bend 33.
[0030] In one embodiment, the sixth bend 41, the seventh bend 42, the eighth bend 43 and the ninth bend 44 are integrally formed and then welded to the transverse pedal 1. In this way, the second connecting structure 4 can be made of a rigid material such as cast iron, thereby ensuring the strength of the connection position.
[0031] In one embodiment, the surfaces of the first bend 31, the second bend 32, the third bend 33, the fourth bend 34, the fifth bend 35, the sixth bend 41, the seventh bend 42, the eighth bend 43, and the ninth bend 44 are all coated with a polytetrafluoroethylene coating, which can reduce the resistance during sliding installation and facilitate assembly.
[0032] In one embodiment, the support structure 5 includes a first support base 51 and a second support base 52. The first support base 51 is fixed to the bottom of the transverse pedal 1, and the second support base 52 is fixed to the rear of the longitudinal connecting plate 2. Both the first support base 51 and the second support base 52 are provided with spherical cavities 53, and ball heads 54 are rotatably provided in the spherical cavities 53. The ball heads in the first support base 51 and the ball heads in the second support base 52 are connected by stress support rods 55. By constructing a triangular support structure between the transverse pedal 1, the longitudinal connecting plate 2 and the stress support rods 55, the stability of the connection between the transverse pedal 1 and the longitudinal connecting plate 2 is improved. At the same time, the ball head structure can also achieve small-range sliding, which plays a role in dispersing stress.
[0033] As one implementation method, an elastic rubber sleeve 56 is provided between the spherical cavity 53 and the ball head 54, which can play a role in buffering and shock absorption.
[0034] This utility model provides a prefabricated staircase installation component. By adopting modular horizontal treads and longitudinal connecting plates, the staircase can be assembled on-site through a first connecting structure and a second connecting structure. This avoids the transportation and installation limitations caused by the large size of the entire prefabricated staircase. During installation, only the horizontal treads need to be fixed to the installation position, making installation more convenient and faster. Furthermore, a support structure is installed between the horizontal treads and the longitudinal connecting plates, which effectively improves the strength and load-bearing capacity of the staircase.
[0035] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A modular stair installation assembly, characterized by: The device includes a transverse pedal and a longitudinal connecting plate. The transverse pedal has a first connecting structure at both its front and rear ends, and the first connecting structures at both ends are symmetrically arranged along the center of the transverse pedal. The longitudinal connecting plate has a second connecting structure at both its upper and lower ends, and the second connecting structures at both ends are symmetrically arranged along the center of the longitudinal connecting plate. The second connecting structures are slidably connected to the first connecting structures. A support structure is fixed between the bottom of the transverse pedal and the rear of the longitudinal connecting plate.
2. The prefabricated stair installation assembly of claim 1, wherein: The upper surface of the transverse pedal is provided with anti-slip texture.
3. The prefabricated stair installation assembly of claim 1, wherein: The first connecting structure includes a first bent portion, which is vertically fixed to the end of the transverse pedal. A second bent portion is vertically fixed to the end of the first bent portion, a third bent portion is vertically fixed to the end of the second bent portion, a fourth bent portion is vertically provided at the end of the third bent portion, and a fifth bent portion is vertically provided at the end of the fourth bent portion.
4. The prefabricated stair mounting assembly of claim 3, wherein: The first bend, the second bend, the third bend, the fourth bend, and the fifth bend are welded together or integrally formed.
5. The prefabricated staircase installation component according to claim 3, characterized in that: The second connecting structure includes a sixth bend, which is vertically fixed to the end of the longitudinal connecting plate and is located between the fourth bend and the transverse pedal. A seventh bend is vertically fixed to the end of the sixth bend, which is located between the fifth bend and the first bend. An eighth bend is vertically fixed to the end of the seventh bend, which is located between the fifth bend and the second bend. A ninth bend is vertically provided to the end of the eighth bend, which is located between the fifth bend and the third bend.
6. The prefabricated staircase installation assembly according to claim 5, characterized in that: The sixth bend, the seventh bend, the eighth bend, and the ninth bend are welded together or integrally formed.
7. The prefabricated staircase installation assembly according to claim 5, characterized in that: The surfaces of the first bend, the second bend, the third bend, the fourth bend, the fifth bend, the sixth bend, the seventh bend, the eighth bend, and the ninth bend are all coated with a polytetrafluoroethylene coating.
8. The prefabricated staircase installation component according to claim 1, characterized in that: The support structure includes a first support base and a second support base. The first support base is fixed to the bottom of the transverse pedal, and the second support base is fixed to the rear of the longitudinal connecting plate. Both the first support base and the second support base are provided with spherical cavities, and ball heads are rotatably provided in the spherical cavities. The ball heads in the first support base and the ball heads in the second support base are connected by stress support rods.
9. The prefabricated staircase installation assembly according to claim 8, characterized in that: An elastic rubber sleeve is provided between the spherical cavity and the ball head.