CN217027817U

CN217027817U - Section bar for steel structure house stair

Info

Publication number: CN217027817U
Application number: CN202220525421.6U
Authority: CN
Inventors: 潘银表; 熊勇; 夏雪丽
Original assignee: Hubei Hongdi Heavy Industry Technology Co ltd
Current assignee: Hubei Hongdi Heavy Industry Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-22
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a section bar for a steel structure house stair, which relates to the technical field of stairs and comprises a plurality of stair boards, an upper platform, a lower platform, a plurality of pedals and handrail rails; the plurality of stair boards are spliced to form a group of symmetrically arranged stair side walls; two ends of the side wall of the group of stairs are respectively arranged on the upper platform and the lower platform; a plurality of pedals are arranged between the side walls of the group of stairs; the handrail is fixedly connected to the outer edge of the top surface of the pedal; the side wall and the tread of the stair are assembled, so that the steel structure stair can be conveniently assembled and disassembled, the occupied space in the transportation process is reduced, and the steel structure stair can be conveniently recycled; rubber pads are arranged between the extending part and the corresponding upper platform and lower platform; a rubber pad is also arranged on the inner wall of the C-shaped mounting groove; the rubber pad helps to reduce noise transmission, thereby improving the anti-noise capability of the steel structure stair.

Description

Section bar for steel structure house stair

Technical Field

The utility model relates to a stair section bar, in particular to a steel structure house stair section bar.

Background

In the building field, the steel structure stair is favored by people due to good structure and strong decoration, when the existing steel structure stair is installed, a stair steel frame is firstly fixed, then step plates are sequentially welded on the steel frame, however, when the step plates are welded, the step plates need to be accurately positioned by means of auxiliary tools, and the step plates need to be kept supported, so that the assembly difficulty of the stair is undoubtedly increased, the assembly efficiency of the stair is slower, and the construction period is prolonged; in addition, in the construction process of part of steel structure buildings, temporary staircases are built for people to go upstairs and downstairs, the steel structure staircases are often connected in a welding mode, the steel structure staircases are difficult to assemble and disassemble, and the steel structure staircases are inconvenient to recycle and reuse.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a section bar for stairs of a steel structure house.

In order to achieve the purpose, the utility model provides the following technical scheme:

a section bar for stairs of a steel structure house comprises a plurality of stair plates, an upper platform, a lower platform, a plurality of pedals and hand rails; the plurality of stair plates are spliced to form a group of symmetrically arranged stair side walls; two ends of the side wall of the group of stairs are respectively arranged on the upper platform and the lower platform; a plurality of pedals are arranged between the side walls of the group of stairs; the handrail is fixedly connected to the outer edge of the top surface of the pedal.

Preferably, the following components: three groups of C-shaped mounting grooves are uniformly formed in the surface of the stair tread in an inclined manner; two ends of the three pedals are respectively inserted into the corresponding C-shaped mounting grooves.

Preferably: a group of connecting grooves are symmetrically formed in two sides of the lower end of the stair tread; a group of connecting blocks are arranged at the corresponding positions at the higher end of the stair tread; when the two stair boards are spliced, the connecting block of the lower stair board is inserted into the connecting groove of the adjacent higher stair board; the connecting groove and the connecting block are both provided with threaded holes in a penetrating way; the bolt is connected with the connecting groove and the threaded hole of the corresponding connecting block in a threaded manner to complete the assembly of the connecting groove and the threaded hole.

Preferably: the stair plates at two ends of the side wall of the stair are provided with transverse extending parts; door-shaped steel beams are arranged at one ends of the inner walls of the upper platform and the lower platform, which are close to the stair boards; the extension part is fixedly connected with the inner wall of the platform and the door-shaped steel beam through bolts to complete the connection between the side wall of the stair and the platform.

Preferably: rubber pads are arranged between the extension parts and the corresponding upper platform and lower platform; the inner wall of the C-shaped mounting groove is also provided with a rubber pad.

Due to the adoption of the technical scheme, the utility model has the following advantages:

the side wall and the tread of the stair are assembled, so that the steel structure stair can be conveniently assembled and disassembled, the occupied space in the transportation process is reduced, and the steel structure stair can be conveniently recycled; the stair plates at two ends of the stair side wall are respectively provided with a transverse extending part, and the extending parts are fixedly connected with the inner wall of the platform and the door-shaped steel beam through bolts to complete the connection of the stair side wall and the platform; rubber pads are arranged between the extending part and the corresponding upper platform and lower platform; a rubber pad is also arranged on the inner wall of the C-shaped mounting groove; the rubber pad set up the help noise abatement transmission to the anti-noise ability of steel construction stair has been improved.

Drawings

Fig. 1 is a side view of a profile for a staircase for a steel house.

Fig. 2 is a sectional view of a steel house stair profile.

Fig. 3 is a schematic structural view of a stair tread in a section bar for a steel structure house stair.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a section bar for a steel structure house stair includes a plurality of stair treads 1, an upper platform 2, a lower platform 3, a plurality of treads 4, and a handrail 5; the plurality of stair plates 1 are spliced to form a group of symmetrically arranged stair side walls 6; the two ends of the set of stair side walls 6 are respectively arranged on the upper platform 2 and the lower platform 3; a plurality of pedals 4 are arranged between the side walls 6 of the group of stairs; the handrail 5 is fixedly connected to the outer edge of the top surface of the step 4.

Three groups of C-shaped mounting grooves 11 are uniformly and obliquely arranged on the surface of the stair tread 1; two ends of the three pedals 4 are respectively inserted into the corresponding C-shaped mounting grooves.

A group of connecting grooves 12 are symmetrically formed in the two sides of the lower end of the stair tread 1; a group of connecting blocks 13 are arranged at the corresponding positions at the higher end of the stair tread 1; when the two stair boards 1 are spliced, the connecting block 13 of the lower stair board 1 is inserted into the connecting groove 12 of the adjacent higher stair board 1; the connecting groove 1 and the connecting block 13 are both provided with a threaded hole 14 in a penetrating way; the bolt is connected in the connecting groove 1 and the threaded hole 14 of the corresponding connecting block 13 in a threaded manner to complete the assembly of the connecting groove 1 and the threaded hole; the stair side wall 6 and the pedal 4 are assembled, so that the steel structure stair can be assembled and disassembled conveniently, the occupied space in the transportation process is reduced, and the steel structure stair can be recycled conveniently.

The stair plates 1 at two ends of the stair side wall 6 are provided with transverse extending parts 15; one ends of the inner walls of the upper platform 2 and the lower platform 3, which are close to the stair plates 1, are provided with door-shaped steel beams 21; the extension part 15 is fixedly connected with the inner wall of the platform and the door-shaped steel beam 21 through bolts to complete the connection between the stair side wall 6 and the platform.

Rubber pads 7 are arranged between the extending parts 15 and the corresponding upper platform 2 and lower platform 3; the rubber pad 7 is also arranged on the inner wall of the C-shaped mounting groove 11; the rubber pad 7 helps to reduce noise transmission, so that the noise resistance of the steel structure stair is improved.

Claims

1. A section bar for stairs of a steel structure house comprises a plurality of stair plates (1), an upper platform (2), a lower platform (3), a plurality of pedals (4) and hand rails (5); the stair is characterized in that the plurality of stair boards (1) are spliced to form a group of symmetrically arranged stair side walls (6); two ends of the group of stair side walls (6) are respectively arranged on the upper platform (2) and the lower platform (3); a plurality of pedals (4) are arranged between the side walls (6) of the group of stairs; the handrail (5) is fixedly connected with the outer edge of the top surface of the pedal (4).

2. The section bar for the stairs of steel structure house according to claim 1, wherein the stair plates (1) are uniformly provided with three groups of C-shaped mounting grooves (11) in an inclined manner; two ends of the three pedals (4) are respectively inserted into the corresponding C-shaped mounting grooves.

3. The section bar for the stairs of a steel house according to claim 1, wherein a group of connecting grooves (12) are symmetrically formed on both sides of the lower end of the stair tread (1); a group of connecting blocks (13) are arranged at the corresponding positions of the higher end of the stair tread (1); when two stair plates (1) are spliced, the connecting block (13) of the lower stair plate (1) is inserted into the connecting groove (12) of the adjacent higher stair plate (1); threaded holes (14) are formed in the connecting groove (12) and the connecting block (13) in a penetrating mode; the bolt is connected in the connecting groove (12) and the threaded hole (14) of the corresponding connecting block (13) in a threaded manner to complete the assembly of the connecting groove and the threaded hole.

4. Profile for stairs of steel house according to claim 1, characterized in that the stair treads (1) at both ends of the stair side wall (6) are provided with a transversal extension (15); one ends of the inner walls of the upper platform (2) and the lower platform (3) close to the stair boards (1) are provided with door-shaped steel beams (21); the extension part (15) is fixedly connected with the inner wall of the platform and the door-shaped steel beam (21) through bolts to complete the connection between the side wall (6) of the stair and the platform.

5. The section bar for the stairs of a steel structure house according to claim 4, wherein a rubber pad (7) is arranged between the extension part (15) and the corresponding upper platform (2) and lower platform (3); the inner wall of the C-shaped mounting groove (11) is also provided with a rubber pad (7).