Assembly type building prefabricated stair splicing structure
By using a prefabricated staircase splicing structure in prefabricated buildings and employing a connection method of plug-in joints and slots, the problem of welded staircases being unreusable is solved, enabling multiple reuses and efficient assembly and disassembly of the staircases.
Patent Information
- Application Number
- CN202423012169.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In existing technologies, welded prefabricated stairs cannot be reused after the temporary structure is demolished, resulting in a waste of resources.
The prefabricated staircase uses a modular building assembly structure. Through the interlocking design of support components and tread components, the staircase can be reused multiple times. The connection method of interlocking joints and slots enables rapid assembly and disassembly.
It enables the stairs to be reused multiple times, reducing resource waste, and the construction and dismantling process is simple and efficient.
Smart Images

Figure CN223510552U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of prefabricated staircase technology, and more specifically to a prefabricated staircase splicing structure for prefabricated buildings. Background Technology
[0002] Stairs are a common part of building construction, and their main function is to allow people to go up and down. There are several ways to manufacture stairs, and one of the more common methods is to use prefabricated materials such as steel bars and steel plates. This type of stair is often used in temporary buildings such as temporary steel-framed houses. When the temporary buildings need to be demolished when they expire, the stairs that were previously made by welding cannot be reused, resulting in waste. Utility Model Content
[0003] One advantage of this utility model is that it provides a prefabricated staircase splicing structure for prefabricated buildings. Through the splicing structure and prefabricated components, the staircase can be reused multiple times. When assembling, it is only necessary to overlap the various structures to use it. When disassembling, it can be quickly dismantled by reversing the assembly method. Then, the prefabricated components can be properly stored. When it is used again, it can be reassembled according to the original assembly method.
[0004] To achieve at least one of the above advantages of this utility model, this utility model provides a prefabricated staircase splicing structure for prefabricated buildings, including a support component and a step component. The support component includes a column, the top of which is provided with a plug-in connector. The lower part of the step component is provided with a plug-in groove that mates with the plug-in connector. The support component and the step component are connected by plugging the plug-in connector and the plug-in groove together.
[0005] According to one embodiment of the present invention, the support component includes a first column and a second column, the top end of the first column is provided with a first connector, and the top end of the second column is provided with a second connector.
[0006] According to one embodiment of the present invention, the step assembly includes a top layer stage, a first stage, and a second stage;
[0007] The top stage includes a horizontally set top step plate, and top side plates are set around the lower part of the top step plate. The insertion slot is set inside the top side plate and the insertion slot is a cylindrical structure.
[0008] The first stage includes two inclined and symmetrically arranged first stair side panels. The upper end of the first stair side panel is connected to a first overlapping plate extending in the horizontal direction. An insertion ring is provided on the inner side of the first overlapping plate at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The first insertion head passes through the insertion ring and the insertion slot in sequence and connects to the first overlapping plate and the top side panel.
[0009] The lower end of the side panel of the first staircase is provided with a plug groove;
[0010] The second stage includes two inclined and symmetrically arranged second stair side panels. The upper part of the second stair side panel is connected to a second overlapping plate extending in the horizontal direction. The inner side of the second overlapping plate is provided with an insertion ring at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The second insertion head passes through the insertion ring and the insertion slot in sequence to connect with the first stair side panel and the second stair side panel.
[0011] According to one embodiment of the present invention, several intermediate steps are provided between the two first stair side panels and the second stair side panel in a detachable manner.
[0012] According to one embodiment of the present invention, the horizontal height of the top step plate is on the same horizontal plane as the highest point of the first stair tread.
[0013] According to one embodiment of the present invention, handrails are fixedly installed on the upper parts of both the first stair side panels and the second stair side panels.
[0014] According to one embodiment of the present invention, a reinforcing rod is connected between adjacent first columns, and a reinforcing rod is connected between two second columns.
[0015] According to one embodiment of the present invention, a connecting plate is provided at the lower part of both the first column and the second column, and a waterproof platform is connected to the lower part of the connecting plate.
[0016] According to one embodiment of the present invention, the lower end of the side panel of the second staircase is connected to a waterproof platform for the steps. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the large arm hairpin structure of this utility model. Figure 1 ;
[0019] In the attached diagram: 1. First connector, 2. Top side plate, 3. First overlapping plate, 4. Top tread, 5. First stair side plate, 6. Middle tread, 7. Second connector, 8. Second stair side plate, 9. Step waterproof platform, 10. Second column, 11. Connecting plate, 12. Waterproof platform, 13. Reinforcing rod, 14. First column. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following description will be provided in conjunction with the appendix of this utility model. Figure 1 ~Attached Figure 2 The present invention will be described in more detail below.
[0021] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.
[0022] Those skilled in the art should understand that, in the disclosure of this specification, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.
[0023] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.
[0024] This utility model provides a prefabricated staircase assembly structure for prefabricated buildings, including a support component and a step component. The support component includes columns, with a connector at the top of the column. The lower part of the step component has a slot for engaging with the connector. The support component and the step component are connected by interlocking the connector and the slot. The support component includes a first column 14 and a second column 10. The top of the first column 14 is provided with a first connector 1, and the top of the second column 10 is provided with a second connector 7. The step component includes a top layer... The structure consists of two stages: the first stage and the second stage. The top stage includes a horizontally arranged top tread plate 4, with top side plates 2 arranged around the lower perimeter of the top tread plate 4. Insertion slots are located inside the top side plates 2 and are cylindrical in shape. The first stage includes two inclined and symmetrically arranged first stair side plates 5. The upper end of each first stair side plate 5 is connected to a first overlapping plate 3 extending horizontally. An insertion ring is located on the inner side of the first overlapping plate 3 at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. A first insertion connector 1 passes through the insertion ring and the insertion slot in sequence. The groove connects to the first overlapping plate 3 and the top side plate 2; the lower end of the first stair side plate 5 is provided with an insertion groove; the second stage includes two inclined and symmetrically arranged second stair side plates 8, the upper part of the second stair side plate 8 is connected to a second overlapping plate extending in the horizontal direction, the inner side of the second overlapping plate is provided with an insertion ring corresponding to the insertion groove, the insertion ring and the insertion groove are concentric, the second insertion joint 7 passes through the insertion ring and the insertion groove in sequence and connects to the first stair side plate 5 and the second stair side plate 8; there is a connection between the two first stair side plates 5 and the second stair side plate 8. Several intermediate steps 6 are detachably installed; the top step 4 is at the same horizontal level as the highest point of the first stair tread; handrails are fixedly installed on the upper part of the two first stair side panels 5 and the second stair side panel 8; a reinforcing rod 13 is connected between adjacent first columns 14 and between two second columns 10; a connecting plate 11 is installed at the lower part of the first column 14 and the second column 10, and a waterproof platform 12 is connected to the lower part of the connecting plate 11; a step waterproof platform 9 is connected to the lower end of the second stair side panel 8.
[0025] The first embodiment of this utility model is as follows:
[0026] A prefabricated staircase splicing structure for prefabricated buildings includes a first column 14 and a second column 10. The height of the second column 10 is half that of the first column 14. The first column 14 is used to support the highest point of the staircase, and the second column 10 is used to support the middle part of the staircase. A first connector 1 is provided at the top of the first column 14, and a second connector 7 is provided at the top of the second column 10.
[0027] The step component includes a top-level stage, a first stage, and a second stage, arranged from top to bottom.
[0028] The top layer includes a horizontally arranged top step plate 4. The bottom of the top step plate 4 is provided with top side plates 2 on all four sides. These plates not only strengthen the structure but also house the insertion slots inside the top side plates 2. The insertion slots are cylindrical with an inner diameter slightly larger than the outer diameter of the insertion connector to facilitate insertion.
[0029] The first stage includes two inclined and symmetrically arranged first stair side panels 5. The upper end of the first stair side panel 5 is connected to a first overlapping plate 3 extending in the horizontal direction. During construction, the top side panel 2 is located above the first overlapping plate 3, so that the horizontal height of the top step plate 4 is on the same horizontal plane as the highest point of the first stair tread. An insertion ring is provided on the inner side of the first overlapping plate 3 at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The first insertion connector 1 passes through the insertion ring and the insertion slot in sequence and connects to the first overlapping plate 3 and the top side panel 2. The connection is made by insertion, which can be firmly connected by its own weight and is also very convenient to disassemble.
[0030] The lower end of the first staircase side panel 5 is provided with a plug groove;
[0031] The second stage includes two inclined and symmetrically arranged second stair side plates 8. The upper part of the second stair side plate 8 is connected to a second overlapping plate extending in the horizontal direction. The lower end of the first stair side plate 5 is abutted against the second overlapping plate. An insertion ring is provided on the inner side of the second overlapping plate at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The second insertion connector 7 passes through the insertion ring and the insertion slot in sequence and connects to the first stair side plate 5 and the second stair side plate 8.
[0032] Several intermediate steps 6 are bolted between the two first stair side panels 5 and the second stair side panel 8, and handrails are fixedly installed on the upper part of the two first stair side panels 5 and the second stair side panel 8.
[0033] A reinforcing rod 13 is connected between adjacent first columns 14, and a reinforcing rod 13 is connected between two second columns 10, which serves to strengthen the structural strength.
[0034] The lower part of the first column 14 and the second column 10 are both provided with connecting plates 11, and the lower part of the connecting plates 11 is connected to a waterproof platform 12. The lower end of the second stair side plate 8 is connected to a step waterproof platform 9, so that the connecting plates 11 and the bottom ends of the first column 14 and the second column 10 are away from the ground to prevent rusting caused by rainwater accumulation.
[0035] During construction, first construct the waterproof platform 12 and the step waterproof platform 9 with concrete, then fix the first column 14 and the second column 10 on the waterproof platform 12, and then install the second stair side plate 8, the first stair side plate 5 and the top side plate 2 in sequence. Finally, fix the middle step plate 6 to the second stair side plate 8 and the first stair side plate 5 with bolts.
[0036] It should be noted that the terms "first, second, and third" used in this utility model are for descriptive purposes only and do not indicate any order. They should not be construed as indicating or implying relative importance, and can be interpreted as names.
[0037] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the implementation of the present invention may have any modifications or variations.
Claims
1. A prefabricated staircase splicing structure for prefabricated buildings, characterized in that: The device includes a support assembly and a step assembly. The support assembly includes a column with a connector at its top. The step assembly has a slot at its bottom that mates with the connector. The support assembly and the step assembly are connected by the connector and the slot being plugged into each other.
2. The prefabricated staircase splicing structure for prefabricated buildings according to claim 1, characterized in that: The support assembly includes a first column and a second column, with a first connector at the top of the first column and a second connector at the top of the second column.
3. The prefabricated staircase splicing structure for prefabricated buildings according to claim 2, characterized in that: The step assembly includes a top-level stage, a first stage, and a second stage; The top layer stage includes a horizontally arranged top step plate, and top side plates are provided on all four sides of the lower part of the top step plate. The insertion groove is located inside the top side plate and the insertion groove is a cylindrical structure. The first stage includes two inclined and symmetrically arranged first stair side plates. The upper end of the first stair side plate is connected to a first overlapping plate extending in the horizontal direction. An insertion ring is provided on the inner side of the first overlapping plate at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The first insertion head passes through the insertion ring and the insertion slot in sequence and connects to the first overlapping plate and the top side plate. The lower end of the first staircase side panel is provided with a plug groove; The second stage includes two inclined and symmetrically arranged second stair side plates. The upper part of the second stair side plate is connected to a second overlapping plate extending in the horizontal direction. The inner side of the second overlapping plate is provided with an insertion ring at a position corresponding to the insertion slot. The insertion ring and the insertion slot are concentric. The second insertion connector passes through the insertion ring and the insertion slot in sequence and connects to the first stair side plate and the second stair side plate.
4. The prefabricated staircase splicing structure for prefabricated buildings according to claim 3, characterized in that: Several intermediate steps are detachably installed between the two first stair side panels and the second stair side panels.
5. The prefabricated staircase splicing structure for prefabricated buildings according to claim 3, characterized in that: The top step plate is at the same horizontal level as the highest point of the first stair tread.
6. The prefabricated staircase splicing structure for prefabricated buildings according to claim 3, characterized in that: Handrails are fixedly installed on the upper part of both the first and second stair side panels.
7. The prefabricated staircase splicing structure for prefabricated buildings according to claim 2, characterized in that: A reinforcing rod connects adjacent first columns, and a reinforcing rod connects two second columns.
8. The prefabricated staircase splicing structure for prefabricated buildings according to claim 2, characterized in that: Both the first and second columns are provided with connecting plates at their lower parts, and a waterproof platform is connected to the lower part of the connecting plates.
9. The prefabricated staircase splicing structure for prefabricated buildings according to claim 3, characterized in that: The lower end of the second staircase side panel is connected to a waterproof platform for the steps.