CN-224200180-U - Assembly component for spiral steel stair and spiral steel stair

Abstract

The utility model belongs to the technical field of building decoration engineering, and particularly relates to an assembly component for a spiral steel stair and the spiral steel stair, wherein the assembly component for the spiral steel stair comprises a support column, a lantern ring unit, a pedal unit and a fence unit; the bottom of the support column is connected with the fixing surface, the support column is longitudinally arranged, the lantern ring units are sequentially sleeved on the support column, the pedal units are respectively spliced with the corresponding lantern ring units, the two adjacent pedal units are respectively connected with the corresponding rail units, the lantern ring units are directly sleeved on the support column, the pedal units are spliced with the lantern ring units, limit and protect are carried out through the rail units, spiral stairs can be quickly installed, the lantern ring units can rotate around the support column, the modeling of the spiral stairs can be flexibly adjusted, the rotating radian of the spiral stairs can be perfectly displayed, the distance between the pedal units can be adjusted through the lantern ring units, and the multi-scene installation requirements can be met.

Inventors

• CHEN XIAOHUI
• MENG LINGYAN
• ZHANG YONGQIANG
• ZHANG MIMI
• ZHU LINGYU
• HAN SHUANGLONG
• WU YANGCHUN
• LI FENG
• WANG HAIXU
• LIU YAN
• LU JUNYI
• QI GUOBIN
• MA HONGSHENG
• Cai Youchun
• ZHOU QIAN

Assignees

• 苏州金螳螂建筑装饰股份有限公司

Dates

Publication Date

20260505

Application Date

20250424

Claims (10)

1. 1. An assembly for a spiral steel stair comprising: A support column (1), a plurality of lantern ring units (2), a plurality of pedal units (3) and a plurality of fence units (4), wherein The bottom of the support column (1) is connected with the fixing surface, and the support column (1) is longitudinally arranged; Each lantern ring unit (2) is sleeved on the support column (1) in sequence, and each pedal unit (3) is spliced with the corresponding lantern ring unit (2) respectively; two adjacent pedal units (3) are respectively connected with corresponding fence units (4), and at least one fence unit (4) is connected with a fixed surface.
2. 2. A fitting assembly for a spiral steel stair according to claim 1, wherein, The collar unit (2) comprises a supporting circular sleeve (21); The support column (1) is in a cylindrical shape, and the support round sleeve (21) is sleeved on the support column (1); The outer side wall of the supporting round sleeve (21) is provided with a plug-in groove (211) for plugging in the pedal unit (3).
3. 3. A fitting assembly for a spiral steel stair according to claim 2, wherein, A plurality of rotation blocking pieces (11) are circumferentially arranged on the support column (1), and the length direction of each rotation blocking piece (11) is axially arranged along the support column (1); The inner side wall of the supporting circular sleeve (21) is provided with a flexible layer (212), and the flexible layer (212) is provided with a corresponding limit groove (212 a), so that the rotation blocking piece (11) is clamped into the corresponding limit groove (212 a).
4. 4. A fitting assembly for a spiral steel stair according to claim 3, wherein, The cross sections of the rotation blocking piece (11) and the limiting groove (212 a) are arranged in a semicircular mode.
5. 5. A fitting assembly for a spiral steel stair according to claim 2, wherein, The collar unit (2) further comprises an adjusting circular sleeve (22); The adjusting round sleeve (22) is sleeved on the supporting column (1), and the adjusting round sleeve (22) is positioned between the two supporting round sleeves (21) so as to adjust the distance between the two pedal units (3).
6. 6. A fitting assembly for a spiral steel stair according to claim 2, wherein, The pedal unit (3) comprises a tread element (31); The treading pieces (31) are inserted into the corresponding inserting grooves (211), and the treading pieces (31) are spirally arranged around the supporting column (1).
7. 7. The assembly for a spiral steel stair according to claim 6, wherein, The pedal piece (31) is in a fan-shaped arrangement, the sharp corner portion (311) of the pedal piece (31) is spliced with the splicing groove (211), and two sides of the arc-shaped portion (312) of the pedal piece (31) are respectively connected with the corresponding fence unit (4).
8. 8. The assembly for a spiral steel stair according to claim 6, wherein, The fence unit (4) includes a connection fence (41); The connecting rail (41) is positioned between two adjacent treading pieces (31), and the two treading pieces (31) are respectively connected with the connecting rail (41); at least one of the attachment rails (41) is attached to the mounting surface.
9. 9. The assembly for a spiral steel stair of claim 8, wherein, The top of each connecting fence (41) is connected with an armrest (42).
10. 10. A spiral steel stair comprising: A fitting assembly for a spiral steel stairway according to any one of claims 1 to 9, to form a corresponding stairway.

Description

Assembly component for spiral steel stair and spiral steel stair Technical Field The utility model belongs to the technical field of building decoration engineering, and particularly relates to a stair, in particular to an assembly component for a spiral steel stair and the spiral steel stair. Background The traditional spiral stairs are commonly used in buildings such as clock stairs and turrets, and most of the traditional spiral stairs are closed type spiral stairs and are single in material application. Moreover, the traditional spiral stair is constructed by adopting concrete, so that the spiral stair is single in pattern, not lively and flexible enough, and the appearance accuracy is greatly influenced by the quality of the mold, so that the rotating radian and the like cannot be well displayed. Therefore, there is a need to develop a new assembly component for spiral steel stairway and spiral steel stairway to solve the technical problems that the appearance accuracy of the traditional spiral stairway is difficult to control and the installation difficulty is high due to coagulation injection molding. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information. Disclosure of utility model The embodiment of the disclosure at least provides an assembly component for a spiral steel stair and the spiral steel stair. According to the first aspect, the embodiment of the disclosure provides an assembly component for a spiral steel stair, which comprises a support column, a plurality of lantern ring units, a plurality of pedal units and a plurality of fence units, wherein the bottom of the support column is connected with a fixed surface, the support column is longitudinally arranged, the lantern ring units are sequentially sleeved on the support column, the pedal units are respectively spliced with the corresponding lantern ring units, two adjacent pedal units are respectively connected with the corresponding fence units, and at least one fence unit is connected with the fixed surface. In an alternative implementation mode, the lantern ring unit comprises a supporting round sleeve, the supporting columns are arranged in a cylindrical mode, the supporting round sleeve is sleeved on the supporting columns, and the outer side wall of the supporting round sleeve is provided with a plug-in groove for plugging the pedal unit. In an alternative implementation mode, a plurality of rotation blocking pieces are circumferentially arranged on the supporting column, the length direction of each rotation blocking piece is axially arranged along the supporting column, a flexible layer is arranged on the inner side wall of the supporting circular sleeve, and corresponding limiting grooves are formed in the flexible layer, so that the rotation blocking pieces are clamped into the corresponding limiting grooves. In an alternative embodiment, the cross section of the rotation blocking piece and the limiting groove is semicircular. In an alternative embodiment, the collar unit further comprises an adjusting round sleeve sleeved on the support column, and the adjusting round sleeve is positioned between the two support round sleeves so as to adjust the distance between the two pedal units. In an alternative embodiment, the pedal unit comprises treading pieces, wherein the treading pieces are inserted into corresponding insertion grooves, and each treading piece is spirally arranged around a supporting column. In an alternative embodiment, the treading piece is in a fan-shaped arrangement, the sharp corner of the treading piece is inserted into the inserting groove, and two sides of the arc-shaped part of the treading piece are respectively connected with the corresponding fence units. In an alternative embodiment, the fence unit comprises a connecting fence, wherein the connecting fence is positioned between two adjacent treading pieces, the two treading pieces are respectively connected with the connecting fence, and at least one connecting fence is connected with a fixing surface. In an alternative embodiment, the top of each of the connection rails is connected to an armrest. In a second aspect, embodiments of the present disclosure also provide a spiral steel stair that includes a fitting assembly for a spiral steel stair as described above to form a corresponding stair. The utility model has the beneficial effects that the collar units are directly sleeved on the support columns, the pedal units and the collar units are spliced and installed, the rail units are used for limiting and protecting, the spiral stairs can be rapidly installed, the collar units can rotate around the support columns, the modeling of the spiral stairs can be flexibly adjusted, the rotating radian of the spiral stairs is perfectly displayed, the distance between the