CN220080579U

CN220080579U - Step structure of assembled stair

Info

Publication number: CN220080579U
Application number: CN202321651360.9U
Authority: CN
Inventors: 洪求耀; 苏永润; 税思均
Original assignee: Haoheng Fujian Building Materials Technology Co Ltd
Current assignee: Haoheng Fujian Building Materials Technology Co Ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-24
Anticipated expiration: 2033-06-27

Abstract

The utility model provides a step structure of an assembled stair, wherein a connecting piece of the step structure is provided with a base and an ear plate, the ear plate is at least provided with a piece of ear plate which is arranged vertically to the base, the base is provided with a locking hole, and a fixing bolt is used for fixedly connecting the base with a track groove through the locking hole; the hinge piece and the sleeve joint piece are right-angle bending pieces, the right-angle part of the hinge piece is connected with the lug plate through screws, one end of the hinge piece is connected with one end of the sleeve joint piece, and the connected hinge piece and the sleeve joint piece are opposite in bending direction and are sequentially connected to form a step shape. This stair is through adopting adjustable step subassembly, and the connecting piece can be adjusted according to the requirement of different stair length and height, and the articulated elements that form the step, cup joint the piece and can realize quick grafting equipment according to the requirement of the height and the width of different steps, through screw locking or directly adopt self-tapping screw locking can, the installation is swift, adjusts conveniently, is favorable to popularizing and applying.

Description

Step structure of assembled stair

Technical Field

The utility model belongs to the field of assembly type buildings, and particularly relates to a step structure of an assembly type stair.

Background

The assembled building is formed by transferring a large amount of field operation work in the traditional building mode to a factory, processing and manufacturing building components and accessories (such as floors, wallboards, stairs, balconies and the like) in the factory, transporting to a building construction site, and assembling and installing the building on site in a reliable connection mode.

The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is widely applied to various building constructions because standardized design, industrial production, assembly construction, informatization management and intelligent application are adopted, and the prefabricated building is representative of a modern industrial production mode.

The conventional prefabricated stairway mode is adopted in the existing fabricated building stairway, the stairway is divided into three parts according to the layer height and the size of the stairway, namely, a rest plate, a stair beam and a stair section in a factory, and then prefabricated parts are assembled and welded in the process of construction, so that on one hand, one part is decomposed into three parts, the workload of pouring and construction is increased, and further the cost of manufacturing and construction is increased, on the other hand, the disassembled stairway part is not a standardized product, the mold is independently adjusted according to the layer height and the size of the stairway to be independently poured, and the cost is still high. In addition, the existing assembly type step structure is usually directly welded or locked on a fixed beam, and under the condition that the height or span of a stair is changed, the problems of inclination and low precision of step level installation or deviation of the step level and the height of a floor are easily caused, so that the overall assembly quality is influenced.

Disclosure of Invention

The utility model provides a step structure of an assembled stair, which can effectively solve the problems.

The utility model is realized in the following way:

the step structure of the assembled stair comprises a connecting piece, a hinging piece and a sleeving piece, wherein the connecting piece is provided with a base and an ear plate, at least one ear plate is arranged perpendicular to the base, and a locking hole is formed in the base; the hinge piece and the sleeve joint piece are right-angle bending pieces, the right-angle part of the hinge piece is connected with the lug plate screw, the transverse pipe of the hinge piece is spliced with the transverse pipe of the sleeve joint piece, the vertical pipe of the sleeve joint piece is spliced with the vertical pipe of the adjacent hinge piece, and the hinge piece and the sleeve joint piece are sequentially spliced to form steps.

As a further improvement, the sides of the hinge and the socket are provided with reinforcing ribs.

As a further improvement, the ear plate is provided with two pieces, and the hinge is mounted between the two ear plates.

As a further improvement, the hinge piece is hinged with the pipe, the right angle outside the hinge piece is provided with a mounting groove, and the lug plate is inserted into the mounting groove to be connected with the hinge piece through screws.

As a further improvement, two sides of one surface of the base, which is far away from the ear plate, are provided with vertical limiting plates.

As a further improvement, the vertical or horizontal surfaces of the hinge and socket are provided with vibration damping strips.

As a further improvement, the hinge piece and the sleeve piece are provided with alignment scale marks.

As a further improvement, the hinge piece and the sleeve piece are provided with a plurality of corresponding screw holes.

As a further improvement, the base, the lug plate and the limiting plate are integrally bent.

The utility model has the beneficial effects that: according to the stair, the adjustable step assembly is adopted, the connecting piece can be adjusted according to the requirements of different stair lengths and heights, the hinge piece and the socket piece forming the steps can be assembled in a rapid inserting mode according to the requirements of the heights and widths of different steps, and the stair can be locked through screw holes or directly locked through self-tapping screws. The assembly type stair structure is arranged, the assembly is rapidly assembled to form stairs, the assembly can be produced in batches through factories, the assembly can be conveyed to a construction site to be rapidly assembled through screws, cement pouring is not needed, the assembly efficiency and the precision are high, the assembly is small in size and light in weight, large hoisting equipment is not needed, the construction efficiency is greatly improved, and the construction difficulty is reduced.

According to the overall structure of the stair, the step assemblies are arranged on the track beam at intervals, so that the requirements of different installation intervals can be quickly adjusted, and in addition, the base and the track beam are further provided with the limiting plates, so that the problem of expansion of the installation grooves of the track beam due to the action of expansion force in the use process of the stair can be effectively avoided, and the stability of the overall structure of the stair is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a step structure of an assembled stairway according to the utility model;

FIG. 2 is a schematic view of the installation of a step structure of an assembled stairway according to the utility model;

FIG. 3 is an exploded view of a step structure of an assembled stairway of the present utility model;

FIG. 4 is a schematic view of a connector for a step structure of a fabricated stairway in accordance with the utility model;

FIG. 5 is a schematic view of a hinge of a step structure of a fabricated stairway in accordance with the utility model;

fig. 6 is a schematic view of a socket of a step structure of an assembled stairway according to the utility model.

Reference numerals:

a connecting piece 1; a base 11; a locking hole 111; an ear plate 12; a limiting plate 13; a hinge 2; a screw 21; a mounting groove 22; a vibration damping bar 23; a socket 3; a track beam 4; a track groove 41; bolts 42.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, the terms "upper," "middle," "side," "upper," "end," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1-6, a step structure of an assembled stair comprises a connecting piece 1, a hinging piece 2 and a sleeving piece 3, wherein the connecting piece 1 is provided with a base 11 and an ear plate 12, the ear plate 12 is at least provided with one piece of locking holes 111 which are arranged perpendicular to the base 11, and the locking holes 111 are formed in the base 11; the hinge 2 and the sleeve 3 are right-angle bending pieces, the right-angle part of the hinge 2 is connected with the ear plate 12 through screws, one end of the hinge 2 is connected with one end of the sleeve 3, and the bending directions of the connected hinge 2 and the sleeve 3 are opposite, and the hinge 2 and the sleeve 3 are sequentially connected to form a step shape.

The connecting piece 1 firstly realizes fixed connection through the base 11 and the track groove 41 of the track beam 4 through the bolt 42, and firstly realizes connection through the lug plate 12 and the hinge piece 2, under the condition that the angle of the track beam 4 is changed and the angle of the base 11 is changed, the horizontal and vertical of the hinge piece 2 can be ensured by adjusting the installation angle of the lug plate 12 and the hinge piece 2, and the levelness of each step is ensured.

The hinge 2 and the socket 3 may be square tubes, round tubes and cross sections of U-shape, L-shape, C-shape, or directly L-shape, or other cross section shape, which is mainly used to form a connection or socket between the hinge 2 and the socket 3.

The hinge 2 and the socket 3 are connected in a mutually overlapped and locked connection or plug-in manner, the transverse part of the hinge 2 is plugged with the transverse part of the socket 3, the vertical part of the socket 3 is plugged with the vertical part of the adjacent hinge 2 again to form a first-stage step plane, and the hinge 2 and the socket are sequentially connected in a tail-end manner to form a multistage step structure. The depth and the height of the steps can be adjusted by the stacking length or the insertion depth of the hinge part 2 and the sleeve part 3, and finally the steps are locked by the screws 21, and a plurality of screw holes can be preset for locking or the steps can be directly locked by the self-tapping screws 21. The step installation can also be realized by the hinge plate and the supporting plate, for example, a splicing groove is arranged at one end of the hinge plate or the supporting plate and is connected with the corresponding end of the supporting plate or the hinge plate, and the splicing groove can be formed by bending the hinge plate or the supporting plate.

The connecting piece 1, the hinging piece 2 and the sleeving piece 3 can be locked by presetting screw holes, and can also be drilled in site construction or directly locked and connected by adopting self-tapping screws 21 through special equipment.

Further, the side surfaces of the hinge part 2 and the sleeve part 3 are provided with reinforcing ribs.

The reinforcing ribs improve the strength of the hinge 2 and the socket 3, and the reinforcing ribs can be arranged at the joint of the base 11 or the lug plate 12 of the connecting piece 1 or both. The arrangement of the reinforced ribs can also improve the contact surface of the hinge part 2 and the socket part 3, and improve the matching degree and the connection strength.

Further, the ear panels 12 are provided in two pieces, and the hinge 2 is mounted between the two ear panels 12.

The ear plate 12 may be provided with only one piece connected to the hinge 2, the two pieces being more stable.

Further, the hinge 2 is hinged to the pipe, a mounting groove 22 is formed in the right angle of the outer side of the hinge 2, and the lug plate 12 is inserted into the mounting groove 22 to be connected with the hinge 2 through screws.

The hinge 2 is of a tubular structure, so that the supporting force is better, the supporting force in all directions can be formed under the condition that no screw is used for locking, the installation is more convenient, and the connection between the hinge 2 and the socket 3 can be realized by direct socket connection.

The otic placode 12 inserts mounting groove 22 and installs, on the one hand more stable, and on the other hand otic placode 12 hides in articulated elements 2, and the overall appearance of stair is more pleasing to the eye.

Further, two sides of one surface of the base 11 far away from the ear plate 12 are provided with vertical limiting plates 13.

The limiting plates 13 play a limiting role on two sides of the track groove 41 of the track beam 4, so that the outward expansion of the track groove 41 is avoided, the loosening of the bolts 42 is caused, and the overall stability of the stair is affected.

Further, the vertical or horizontal surfaces of the hinge 2 and socket 3 are provided with vibration damping strips 23.

On one hand, the vibration and friction between the pedal placed on the step and the hinge part 2 and the sleeve part 3 are reduced, and on the other hand, the anastomosis degree between the pedal and the hinge part 2 and the sleeve part 3 is increased.

Further, alignment scale marks are arranged on the hinge piece 2 and the sleeve piece 3.

The alignment of the hinge part 2 and the sleeve part 3 is facilitated, and the assembly speed and the assembly precision are accelerated.

Further, a plurality of corresponding screw holes are formed in the hinge piece 2 and the sleeve piece 3.

Further, the base 11, the ear plate 12 and the limiting plate 13 are integrally bent.

And the integral strength is improved, and reinforcing ribs or reinforcing ribs can be arranged at the joint of the base 11 and the lug plate 12.

When the device is applied, the locking holes 111 of the base 11 of the step structure are fixed on the track grooves 41 of the track beams 4 at equal intervals through the bolts 42, the track beams 4 are provided with at least two pieces, and the setting angles and the heights of the step structures of the same step are the same.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The step structure of the assembled stair is characterized by comprising a connecting piece, a hinge piece and a sleeving piece, wherein the connecting piece is provided with a base and an ear plate, at least one ear plate is arranged perpendicular to the base, and a locking hole is formed in the base; the hinge piece and the sleeve joint piece are right-angle bending pieces, the right-angle part of the hinge piece is connected with the lug plate through screws, one end of the hinge piece is connected with one end of the sleeve joint piece, and the bending directions of the connected hinge piece and the sleeve joint piece are opposite, and the hinge piece and the sleeve joint piece are sequentially connected to form a step shape.

2. A step structure of a fabricated stairway according to claim 1, wherein the sides of the hinge and socket are provided with reinforcing ribs.

3. A step structure for a fabricated stairway according to claim 1, wherein the lugs are provided in two pieces, and the hinge is mounted between the lugs.

4. A step structure of an assembled stairway according to claim 1 or 2, wherein the hinge member is a hinge tube, a mounting groove is formed in an outer right angle of the hinge member, and the lug plate is inserted into the mounting groove to be connected with the hinge member by a screw.

5. The stair step structure according to claim 1, wherein two sides of the base, which are far away from one side of the ear plate, are provided with vertical limiting plates.

6. A step structure of a fabricated stairway according to claim 4, wherein vertical or horizontal surfaces of the hinge and socket are provided with vibration damping strips.

7. The stair structure according to claim 4, wherein the hinge member and the socket member are provided with alignment marks.

8. The stair structure according to claim 6, wherein the hinge member and the socket member are provided with a plurality of corresponding screw holes.

9. A step structure of an assembled stairway according to claim 1 or claim 5, wherein the base, the ear plate and the limit plate are integrally bent.