CN210659020U

CN210659020U - Stair system formed by profiled steel sheets

Info

Publication number: CN210659020U
Application number: CN201921114088.4U
Authority: CN
Inventors: 黄丽丽
Original assignee: Meilian Steel Structure Construction System Suzhou Co ltd
Current assignee: Meilian Steel Structure Construction System Suzhou Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-06-02
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a stair system by profiled sheet formation, including stair tread and self tapping screw, stair tread's below symmetry is settled there is the italic roof beam, the self tapping screw is installed in stair tread and the junction of italic roof beam, and stair tread's upper surface is connected with the surface course. This stair system formed by profiled sheet sets up each suppression steel sheet and can press into three stair step board, and stair step board is direct on the scene is laid on the italic roof beam, the positioning error of stair step board width height when the installation has been avoided to existing effect, still reduce the transportation of bulky component, the stair transportation has been made things convenient for, it fixes through directly twisting the self tapping screw to set up between stair step board and the italic roof beam, compare traditional welding or bolted connection's fixed mode, the self tapping screw is fixed and need not to punch in advance, the integrality of stair step board has both been guaranteed, the scene installation is also very convenient, be favorable to improving the efficiency of assembling of whole stair.

Description

Stair system formed by profiled steel sheets

Technical Field

The utility model relates to a building structure technical field specifically is a stair system by profiled sheet formation.

Background

Steel construction stair to the fulcrum is few, and the bearing is high, and the molding is many, and technical content is famous highly, is difficult for receiving the stand, the floor isotructure influence, and is durable firm, and its key feature has: the floor area is small, the modeling is beautiful, the practicability is strong, the color is bright, the floor is suitable for most occasions such as indoor or outdoor, and the like, and the steel structure building art of modern school can be reflected.

At present steel construction stair are marking time and are adopting welding or bolted connection more in the connection of inclined ladder roof beam, and the mill is mostly whole fortune to the scene after the direct mount of mill, and such mounting means leads to marking time the segmentation installation, has the deviation in the location, and most of stairs all are the mill and assemble the back of finishing and at the fortune to the scene simultaneously, and the volume of component is great, brings inconvenient problem for the transportation, for this reason, we provide the higher stair system of being formed by the profiled sheet of a steel sheet of practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stair system by profiled sheet formation to solve present steel construction stair that proposes in the above-mentioned background art and adopting welding or bolted connection more on stepping on with the connection of inclined ladder roof beam, the most whole fortune to the scene after having done the direct mount of mill of stepping on, such mounting means leads to stepping on the segmentation installation, there is the deviation in the location, most stairs all are assembling the back of finishing in mill and are transporting to the scene simultaneously, the volume of component is great, bring inconvenient problem for the transportation.

In order to achieve the above object, the utility model provides a following technical scheme: the stair system formed by the profiled steel sheets comprises stair tread plates and self-tapping screws, the inclined beam is symmetrically arranged below the stair tread plates, the self-tapping screws are installed at the connecting positions of the stair tread plates and the inclined beam, and the upper surfaces of the stair tread plates are connected with surface layers.

Preferably, the width of the stair tread is 270mm, and the height of the stair tread is 160 mm.

Preferably, the thickness of the stair tread plate is 3mm, and the stair tread plate is made of a prefabricated pressure steel plate.

Preferably, the stair tread is matched with the inclined beam in size, and the stair tread is uniformly distributed along the inclined direction of the inclined beam.

Preferably, the outer surface of the self-tapping screw is provided with threads, and the self-tapping screw is in threaded connection with the stair tread plate and the inclined beam.

Preferably, the surface layer is tightly attached to the upper surface of the stair tread plate, and the thickness of the surface layer is uniform.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the stair system formed by the profiled steel plates is suitable for stairs with the step width of 270mm and the height of 160mm, is matched with the size of a common building stair, is convenient to use, and is subjected to fillet treatment at the joint of the step width and the step height of each level of stair, so that the smoothness of stair steps is effectively improved, and the whole stair is more attractive;

2. the pressed steel plate with the thickness of 3mm is greatly stressed, can bear enough weight, ensures the load capacity of the whole stair and is beneficial to improving the safety of the whole stair, and the stair tread is directly laid on the inclined beam on site, thereby effectively avoiding the positioning error of the width and the height of the stair tread during the installation, reducing the transportation of large-volume components and facilitating the transportation of the stair;

3. set up between stair step board and the italic roof beam and fix through directly twisting the self tapping screw, the self tapping screw is fixed need not to punch in advance, has both guaranteed stair step board's integrality, and the field installation is also very convenient, sets up the surface course and can be for multiple material, and multiple colour can customize by oneself according to user's needs, has strengthened the variety of whole stair, satisfies the individualized demand in modern society people.

Drawings

FIG. 1 is a schematic structural view of the stair tread and the inclined beam of the present invention after installation;

FIG. 2 is a schematic view of the cross-sectional dimension structure of the stair tread of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. stair tread plates; 2. an oblique beam; 3. self-tapping screws; 4. and (6) a surface layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a stair system formed by profiled steel sheets comprises stair tread plates 1, inclined beam 2, self-tapping screws 3 and a surface layer 4, wherein the inclined beam 2 is symmetrically arranged below the stair tread plates 1, the width of the stair tread plates 1 is 270mm, the height of the stair tread plates 1 is 160mm, the stair with the stair tread width of 270mm and the height of 160mm is arranged, the stair is matched with the size of a common building stair, the stair system is convenient to use, the joints of the stair tread width and the stair tread height of each level are respectively subjected to fillet treatment, the radius of a fillet facing the outer side of a stair tread is 8mm, the radius of a fillet facing the inner side of the stair tread is 16mm, the smoothness of the stair tread is effectively improved, the whole stair is more attractive, the thickness of the stair tread plates 1 is 3mm, the material of the stair tread plates 1 is a prefabricated steel plate, the stress of the pressed steel plate with the thickness of 3mm is set to be larger, enough weight can be borne, the load capacity of the whole stair is ensured, and the safety of the whole stair is improved;

the stair tread 1 is matched with the inclined beam 2 in size, the stair tread 1 is uniformly distributed along the inclined direction of the inclined beam 2, each pressed steel plate is arranged to be pressed into three stair treads 1, the stair treads 1 are directly laid on the inclined beam 2 on site, the positioning error of the stair treads 1 in width and height during installation is effectively avoided, the transportation of large-size components is reduced, the transportation of the stair is facilitated, the self-tapping screw 3 is arranged at the joint of the stair treads 1 and the inclined beam 2, the upper surface of the stair treads 1 is connected with the surface layer 4, the outer surface of the self-tapping screw 3 is provided with threads, the self-tapping screw 3 is in threaded connection with the stair treads 1 and the inclined beam 2, the stair treads 1 and the inclined beam 2 are fixed by directly screwing the self-tapping screw 3, and compared with the traditional fixing mode of welding or bolt connection, self tapping screw 3 is fixed need not to punch in advance, has both guaranteed stair tread 1's integrality, and the on-the-spot installation is also very convenient, is favorable to improving whole stair's the efficiency of assembling, and surface course 4 closely laminates with stair tread 1's upper surface, and surface course 4's thickness is even, sets up surface course 4 and can be multiple material, multiple colour, can customize by oneself according to user's needs, has strengthened the variety of whole stair, satisfies in modern society people's individualized demand.

The working principle is as follows: for the stair system formed by profiled steel sheets, firstly, the length required to be customized of the stair tread 1 is determined according to the distance between two installed sections of inclined beam 2, then a prefabricated steel sheet with the thickness of 3mm with the corresponding length is cut, the steel sheet is pressed, three stair treads 1 are presented on one steel sheet and are three-stage treading, the height of each stair tread 1 is controlled to be 160mm, the width is controlled to be 270mm, simultaneously, the joint of the tread width and the tread height is respectively processed by chamfering, the outside of each stair tread is made into a fillet with the radius of 8mm, the inside of each stair tread is made into a fillet with the radius of 16mm, at the moment, one steel sheet is pressed and molded, the pressed stair treads 1 are stacked together and are convenient to be directly transported to the site, then the stair treads 1 are respectively laid along the inclined direction of the two sections of inclined beam 2, make 1 end to end of stair tread to all twist self-tapping screw 3 in the trough department of each stair tread 1 and the place of the inseparable laminating of italic roof beam 2 and fix, promptly, the trough department of each stair tread 1 all adopts two self-tapping screws 3 to fix, convenient operation, at last according to user's needs lay surface course 4 on the surface of stair tread 1 can, just so accomplish the whole use of stair system that is formed by profiled steel sheet.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stair system formed by profiled steel sheets, comprising stair treads (1) and self-tapping screws (3), characterized in that: inclined beams (2) are symmetrically arranged below the stair tread (1), self-tapping screws (3) are installed at the connecting positions of the stair tread (1) and the inclined beams (2), and the upper surface of the stair tread (1) is connected with a surface layer (4).

2. A staircase system formed from profiled steel sheets as claimed in claim 1, wherein: the width of stair tread (1) is 270mm, and the height of stair tread (1) is 160 mm.

3. A staircase system formed from profiled steel sheets as claimed in claim 1, wherein: the thickness of stair tread (1) is 3mm, and the material of stair tread (1) is the prefabricated pressure steel sheet.

4. A staircase system formed from profiled steel sheets as claimed in claim 1, wherein: the stair tread (1) is matched with the inclined beam (2) in size, and the stair tread (1) is uniformly distributed along the inclined direction of the inclined beam (2).

5. A staircase system formed from profiled steel sheets as claimed in claim 1, wherein: the outer surface of the self-tapping screw (3) is provided with threads, and the self-tapping screw (3) is in threaded connection with the stair tread plate (1) and the inclined beam (2).

6. A staircase system formed from profiled steel sheets as claimed in claim 1, wherein: the surface layer (4) is tightly attached to the upper surface of the stair tread plate (1), and the thickness of the surface layer (4) is uniform.