Novel suspension type steel structure stair

By adopting a combined structure of columns, brackets and support plates in the suspended stairs, combining the connecting screws and support columns, the problem of the suspended stair treads being prone to break under the weight of multiple people is solved, and higher stability and load-bearing capacity are achieved.

CN222435733UActive Publication Date: 2025-02-07JIANGSU XINQIBU STAIRCASE MFG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421202201.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-02-07
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

When the pedals of existing suspended stairs carry weights of multiple people, they are likely to be transmitted to the box and the installation cover due to pressure, resulting in the box breakage and the pedal fall off.

Method used

The pedal is supported by a combination of columns, brackets and support plates, and the base supports the brackets and support plates, and the stability and load-bearing capacity of the pedal are improved by connecting screws and support columns.

Benefits of technology

The effect of a suspended staircase is realized, the stability and load-bearing capacity of the pedal is improved, the pedal is prevented from tilting and breaking, and the load-bearing pressure of the column is reduced, ensuring the stability of the connection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222435733U_ABST
    Figure CN222435733U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel suspension type steel structure stair, which relates to the technical field of stairs, and comprises a stand column and a connecting bolt, and a plurality of pedals are fixedly connected to the outer side of the stand column serving as a stair fulcrum; a plurality of connecting bolts used for connecting the pedals are arranged, and the connecting bolts are located at the two ends of the pedals respectively; the stand column plays a role in supporting the pedals, and only one end of the inner side of each pedal is fixedly connected with the stand column, so that the effect of the suspension type stair is achieved. The pedals are fixedly connected through the connecting screws, the connecting screws play a role in supporting the pedals, the stability of the pedals is further improved, and the pedals are prevented from inclining due to the fact that the pedals are used for a too long time or are large in load. The supports and the supporting plates at the bottoms of the pedals can improve the bearing capacity of the pedals, the pedals cannot be broken easily, meanwhile, the bearing pressure of the stand columns is reduced, and the connecting stability of the stand columns and the pedals is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model specifically relates to the technical field of stairs, in particular to a novel suspended steel structure staircase. Background Art

[0002] The suspended staircase, also called cantilever staircase, looks like all the steps are suspended in the air, with only the sides of the steps connected to the fixings. The suspension effect is achieved by hiding the fixings and supporting structures on the inside of the steps, leaving no support on the outside of the steps.

[0003] Chinese patent publication number CN 220225994 U discloses a suspended staircase, comprising a steel plate beam, the top and bottom of the front of the steel plate beam are provided with mounting holes, a mounting block is fixedly connected to the center of the front of the steel plate beam, both sides of the top of the inner wall of the mounting block are provided with slots, a steel structure pedal body is inserted into the inner cavity of the mounting block, a box is fixedly installed at the bottom of the mounting block, and both sides of the bottom of the inner wall of the box are fixedly connected to a first spring;

[0004] The above-mentioned suspended staircase uses a steel plate beam embedded in the wall to support the box body, and the box body and the installation sleeve are used to fix and support the pedals together; however, as a structure to assist people in climbing, the stairs need to bear the entire weight of the people on the stairs. Sometimes, there will be a situation where multiple people climb the stairs together. At this time, the stairs need to bear the weight of all the people on the stairs. As the supporting structure of the pedals, the pressure generated by the weight of the people on the stairs will be transmitted to the box body and the installation sleeve. There are also springs, sliding sleeves and other parts in the box body that can only fix the pedals but cannot bear heavy objects, which makes the box body very easy to break, thereby causing the pedals to fall off. Utility Model Content

[0005] The purpose of the utility model is to provide a novel suspended steel structure staircase, which utilizes columns, brackets and support plates to support pedals, while the bottom frame supports the brackets and support plates, so as to solve the technical problems raised by the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A novel suspended steel structure staircase includes a column and connecting bolts, wherein a plurality of pedals are fixedly connected to the outer side of the column as a fulcrum of the staircase;

[0008] A plurality of connecting bolts are provided for connecting the plurality of pedals, and the plurality of connecting bolts are respectively located at two ends of the plurality of pedals;

[0009] The pedal is fan-shaped, and the pedals are distributed in a spiral shape and arranged concentrically with the column; both ends of each adjacent two pedals in the pedals are provided with connecting screws, and both ends of the connecting screws are fixedly connected with the connecting bolts respectively;

[0010] Furthermore, the spacing between the multiple pedals is the same, the length of the connecting screw is the same as the spacing between the pedals; the height of the column is greater than the height of the top pedal among the multiple pedals;

[0011] The bottoms of the multiple pedals are all welded with brackets, the sides of the multiple brackets away from the columns are all welded with support plates, and the multiple support plates are respectively located at the bottoms of the multiple pedals and are respectively fixedly connected to the multiple pedals.

[0012] As a further technical solution of the utility model, multiple vertical rods are provided above both ends of the multiple pedals, the bottoms of the multiple vertical rods are respectively fixedly connected with multiple connecting bolts, and the multiple vertical rods located at the same end are distributed in a spiral.

[0013] As a further technical solution of the utility model, a supporting member is welded to the top of each of the plurality of uprights, the supporting member is semicircular, and the uprights are fixedly connected to the middle of the bottom of the supporting member; and the plurality of supporting members located at the same end of the pedal are distributed in a spiral.

[0014] As a further technical solution of the utility model, the multiple supporting members located at the same end of the pedal are fixedly connected to the handrail, the two handrails are spiral-shaped, and the cross-section of the handrail is circular. The handrail and the supporting member are arranged in concentric circles.

[0015] As a further technical solution of the present invention, the bottoms of the plurality of brackets are fixedly connected to a base frame, the base frame is located outside the column and the top of the base frame is spirally arranged.

[0016] As a further technical solution of the utility model, a plurality of support columns are fixedly connected to the bottom of the base frame, and the bottoms of the plurality of support columns are flush with the bottoms of the upright columns.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. In the utility model, the column plays the role of supporting multiple pedals, and only one inner end of each of the multiple pedals is fixedly connected to the column, thereby achieving the effect of a suspended staircase; multiple pedals are fixedly connected by multiple connecting screws, and the multiple connecting screws play the role of supporting the pedals, further improving the stability of the pedals and preventing the pedals from tilting due to long use time or heavy load; the brackets and support plates at the bottom of the multiple pedals can increase the load-bearing capacity of the pedals, so that the pedals will not break easily, and at the same time reduce the load-bearing pressure of the column, ensuring the connection stability between the column and the pedals;

[0019] 2. In the utility model, the base frame plays the role of supporting multiple brackets and multiple support plates, thereby increasing the bearing capacity of the brackets and the support plates; multiple support columns play the role of supporting the base frame to prevent the base frame from breaking; the vertical rods at both ends of the pedals can protect people climbing the stairs and prevent people on the stairs from falling from the stairs; the handrails at the upper ends of the vertical rods can assist people in climbing the stairs, allowing people to keep their bodies stable when climbing the stairs to prevent accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0021] Figure 2 This utility model Figure 1 main view.

[0022] Figure 3 This utility model Figure 1 Bottom view of .

[0023] Figure 4 This utility model Figure 3 Another perspective of the picture.

[0024] Figure 5 This utility model Figure 1 A partial enlarged view of .

[0025] Figure 6 This utility model Figure 3 A partial enlarged view of .

[0026] Figure 7 This utility model Figure 1 The part is the structural diagram.

[0027] Figure 8 This utility model Figure 7 Bottom view of .

[0028] In the figure: 1-pedal, 2-upright column, 3-connecting bolt, 4-connecting screw, 5-bracket, 6-support plate, 7-upright column, 8-supporting member, 9-handrail, 10-base frame, 11-support column. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-8 In the embodiment of the utility model, a novel suspended steel structure staircase includes a column 2 and a connecting bolt 3, and a plurality of pedals 1 are fixedly connected to the outer side of the column 2 as a fulcrum of the staircase;

[0031] A plurality of connecting bolts 3 for connecting the plurality of pedals 1 are provided, and the plurality of connecting bolts 3 are respectively located at two ends of the plurality of pedals 1;

[0032] The pedal 1 is fan-shaped, and the multiple pedals 1 are distributed in a spiral shape and are arranged concentrically with the column 2; both ends of each adjacent two pedals 1 in the multiple pedals 1 are provided with connecting screws 4, and both ends of the multiple connecting screws 4 are fixedly connected with multiple connecting bolts 3 respectively;

[0033] Furthermore, the spacing between the multiple pedals 1 is the same, and the length of the connecting screw 4 is the same as the spacing between the pedals 1; the height of the column 2 is greater than the height of the topmost pedal 1 among the multiple pedals 1;

[0034] The bottom of the plurality of pedals 1 is welded with a bracket 5, and the side of the plurality of brackets 5 away from the column 2 is welded with a support plate 6, and the plurality of support plates 6 are respectively located at the bottom of the plurality of pedals 1 and are respectively fixedly connected to the plurality of pedals 1;

[0035] A plurality of vertical rods 7 are disposed above both ends of the plurality of pedals 1 , the bottoms of the plurality of vertical rods 7 are respectively fixedly connected to a plurality of connecting bolts 3 , and the plurality of vertical rods 7 at the same end are distributed in a spiral shape.

[0036] By adopting the above technical solution, the column 2 plays a role of supporting multiple pedals 1, and only the inner ends of the multiple pedals 1 are fixedly connected to the column 2, thereby achieving the effect of a suspended staircase; the multiple pedals 1 are fixedly connected by multiple connecting screws 4, and the multiple connecting screws 4 play a role of supporting the pedals 1, further improving the stability of the pedals 1 and preventing the pedals 1 from tilting due to long use time or heavy load; the brackets 5 and support plates 6 at the bottom of the multiple pedals 1 can increase the load-bearing capacity of the pedals 1, so that the pedals 1 will not break easily, while reducing the load-bearing pressure of the column 2, ensuring the connection stability between the column 2 and the pedals 1.

[0037] In this embodiment, a supporting member 8 is welded to the top of each of the plurality of uprights 7, the supporting member 8 is semicircular, and the uprights 7 are fixedly connected to the middle of the bottom of the supporting member 8; the plurality of supporting members 8 located at the same end of the pedal 1 are distributed in a spiral manner;

[0038] The plurality of supporting members 8 located at the same end of the pedal 1 are all fixedly connected to the handrail 9, and the two handrails 9 are both spiral-shaped, and the cross section of the handrail 9 is circular. The handrail 9 and the supporting member 8 are arranged in concentric circles;

[0039] The bottoms of the plurality of brackets 5 are fixedly connected to a base frame 10, the base frame 10 is located outside the column 2 and the top of the base frame 10 is spirally arranged;

[0040] A plurality of support columns 11 are fixedly connected to the bottom of the base frame 10 , and the bottoms of the plurality of support columns 11 are flush with the bottoms of the columns 2 .

[0041] By adopting the above technical solution, the base frame 10 supports multiple brackets 5 and multiple support plates 6, increasing the bearing capacity of the brackets 5 and the support plates 6; multiple support columns 11 support the base frame 10 to prevent the base frame 10 from breaking; the vertical rods 7 at both ends of the pedal 1 can protect people climbing the stairs and prevent people on the stairs from falling off the stairs; the handrails 9 at the upper ends of the vertical rods 7 can assist people in climbing the stairs, allowing people to keep their bodies stable when climbing the stairs to prevent accidents.

[0042] The working principle of the utility model is as follows: the column 2 plays the role of supporting multiple pedals 1, and only one inner end of each of the multiple pedals 1 is fixedly connected to the column 2, thereby achieving the effect of a suspended staircase; multiple pedals 1 are fixedly connected by multiple connecting screws 4, and multiple connecting screws 4 play the role of supporting the pedals 1, further improving the stability of the pedals 1 and preventing the pedals 1 from tilting due to long use time or heavy load; the brackets 5 and support plates 6 at the bottom of the multiple pedals 1 can increase the bearing capacity of the pedals 1, so that the pedals 1 will not break easily, and at the same time reduce the bearing pressure of the column 2, ensuring the connection stability between the column 2 and the pedals 1;

[0043] The base frame 10 supports multiple brackets 5 and multiple support plates 6 to increase the bearing capacity of the brackets 5 and the support plates 6. The multiple support columns 11 support the base frame 10 to prevent the base frame 10 from breaking. The vertical rods 7 at both ends of the pedal 1 can protect people climbing the stairs and prevent people on the stairs from falling off the stairs. The handrails 9 at the upper ends of the vertical rods 7 can assist people in climbing the stairs, allowing people to keep their bodies stable when climbing the stairs to prevent accidents.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new type of suspended steel structure staircase, characterized by: include A column (2) serving as a staircase fulcrum, with a plurality of pedals (1) fixedly connected to the outer side of the column (2); Connecting bolts (3), wherein a plurality of connecting bolts (3) are provided for connecting the plurality of pedals (1), and the plurality of connecting bolts (3) are respectively located at two ends of the plurality of pedals (1); The pedal (1) is fan-shaped, and the plurality of pedals (1) are distributed in a spiral shape and are arranged concentrically with the column (2); connecting screws (4) are provided at both ends of each two adjacent pedals (1) among the plurality of pedals (1), and the two ends of the plurality of connecting screws (4) are respectively fixedly connected to the plurality of connecting bolts (3); A bracket (5) is welded to the bottom of each of the plurality of pedals (1), a support plate (6) is welded to the side of each of the plurality of brackets (5) away from the column (2), and the plurality of support plates (6) are respectively located at the bottom of each of the plurality of pedals (1) and are respectively fixedly connected to the plurality of pedals (1).

2. The novel suspended steel structure staircase according to claim 1 is characterized by: A plurality of vertical rods (7) are provided above both ends of the plurality of pedals (1), the bottoms of the plurality of vertical rods (7) are respectively fixedly connected to a plurality of connecting bolts (3), and the plurality of vertical rods (7) located at the same end are distributed in a spiral shape.

3. The novel suspended steel structure staircase according to claim 2 is characterized by: The tops of the plurality of uprights (7) are all welded with supporting members (8), the supporting members (8) are semicircular, and the uprights (7) are fixedly connected to the middle of the bottom of the supporting members (8); among the plurality of supporting members (8), the plurality of supporting members (8) located at the same end of the pedal (1) are distributed in a spiral shape.

4. The novel suspended steel structure staircase according to claim 3 is characterized by: Among the plurality of supporting members (8), the plurality of supporting members (8) located at the same end of the pedal (1) are fixedly connected to the handrail (9), the two handrails (9) are both spiral-shaped, and the cross-section of the handrail (9) is circular. The handrail (9) and the supporting member (8) are arranged in concentric circles.

5. The novel suspended steel structure staircase according to claim 4 is characterized in that: The bottoms of the plurality of brackets (5) are fixedly connected to a base frame (10), the base frame (10) is located outside the column (2) and the top of the base frame (10) is spirally arranged.

6. The novel suspended steel structure staircase according to claim 5 is characterized by: A plurality of support columns (11) are fixedly connected to the bottom of the base frame (10), and the bottoms of the plurality of support columns (11) are flush with the bottoms of the upright columns (2).

Citation Information

Patent Citations

  • Suspended stair

    CN220225994U