WO2021208871A1

WO2021208871A1 - Integrally assembled building stairs

Info

Publication number: WO2021208871A1
Application number: PCT/CN2021/086737
Authority: WO
Inventors: 洪求耀; 薛东辉
Original assignee: 昊恒（福建）建材科技有限公司
Priority date: 2020-04-17
Filing date: 2021-04-12
Publication date: 2021-10-21
Also published as: CN111364706B; CN111364706A

Abstract

Disclosed are integrally assembled building stairs, comprising an upper-layer platform, a lower-layer platform, and a rest platform and a plurality of stair assemblies, wherein the rest platform and the plurality of stair assemblies are located between the upper-layer platform and the lower-layer platform; one end of each stair assembly is connected to the rest platform, the other end of the stair assembly is connected to the upper-layer platform or the lower-layer platform; and the stair assembly further comprises two supporting plates arranged face to face and a plurality of step plates, with two ends of each step plate being connected to inner surfaces of two supporting plates, the plurality of step plates being obliquely and sequentially arranged in a downward lapping joint manner, a buffer strip being arranged between every two adjacent step plates, and a buffer sheet being arranged between two ends of each step plate and two supporting plates. The present invention achieves a full-assembly type design of a house stairs structure, is good in terms of structure stability, is easy to disassemble and assemble, and situations, such as a nut being lost, can further be prevented, thereby improving the efficiency of mounting.

Description

One-piece building staircase

Technical field

The invention relates to the field of construction, and in particular to an integrated building staircase.

Background technique

In recent years, with the continuous improvement of people’s living standards, people’s requirements for the construction speed, construction cost, construction quality, energy conservation and environmental protection of housing and other construction industries have also continued to increase, also in order to save resources and energy, reduce construction pollution, and improve labor production. In terms of efficiency, quality and safety, the development of green buildings and advanced construction methods, the state has vigorously promoted the implementation of modern prefabricated building systems since 2016.

Due to the late start of China’s weak foundation in the field of prefabricated buildings, there are still many shortcomings in this field. For example, the stairs of the existing prefabricated buildings use the traditional prefabricated staircase model. Divided into three parts, namely rest board, stair beam, stair section, and then prefabricated components in the processing plant, assembling and welding the prefabricated components during construction, on the one hand, a component is divided into three parts to increase the workload of pouring and construction, and then Increasing the cost of production and construction. On the other hand, the disassembled stair components are not standardized products. The mold must be adjusted separately according to the height of the floor and the size of the stairwell. It is still a customized product, and the cost is still high. No less.

Summary of the invention

The purpose of the present invention is to provide an integrally assembled building staircase, which realizes the fully assembled design of the house staircase structure, has good structural stability and is easy to disassemble and assemble, and can also avoid missing nuts and improve installation. efficient.

In order to achieve the above objective, the technical solution adopted by the present invention is: an integrally assembled building staircase, including an upper platform, a lower platform, a rest platform located between the upper platform and the lower platform, and a number of stair components. One end is connected to the rest platform, and the other end of this staircase assembly is connected to the upper platform or the lower platform;

The stair assembly further includes two supporting plates and a plurality of step plates which are arranged facing each other. Connect settings;

A connecting plate is installed on the surfaces of the two supporting plates opposite to each other. The connecting plate is installed at the upper end of the supporting plate. The front end of the connecting plate has a first flange portion bent in a direction opposite to the supporting plate. The first flanging part is vertically arranged with the support plate and fixedly connected with the upper platform or the rest platform;

A plurality of first mounting through holes are opened on the connecting plate, a first nut is mounted on the first mounting through hole, and the supporting plate is provided with a connecting through hole corresponding to the first mounting through hole, a first The bolt passes through the connection through hole on the support plate and is threadedly connected with the first nut provided on the connection plate;

The upper and lower ends of the two support plates respectively have a second flange portion bent on the side opposite to the step plate, and the outer side of the second flange portion located at the upper end of the support plate has a downward upper bending portion , The outer side of the second flange part located at the lower end of the support plate has an upward downward bending part;

A buffer strip is provided between two adjacent step plates, and a buffer sheet is provided between the two ends of the step plates and the two supporting plates;

A second support member is installed on the two support plates of the stair assembly connected to the lower platform at the lower end. The second support member is installed on the surface of the lower end of the support plate opposite to the step plate. A first mounting plate connected to the support plate and a second mounting plate connected to the lower platform. The first mounting plate is provided with a plurality of through holes for connecting with the support plate, and the through holes are strip-shaped through holes or It is a gourd-shaped through hole formed by connecting a number of circular through holes;

The rest platform further includes a bottom support beam group and a top panel installed above the bottom support beam group. A number of elongated U-shaped protrusions are provided on the lower surface of the top panel at intervals. The U-shaped protrusions The opposite surfaces of the parts respectively have a long strip of recessed parts.

The further improved solutions among the above technical solutions are as follows:

1. In the above solution, the step plate further includes a horizontal panel and a vertical panel. Among the two step plates arranged adjacently, the horizontal panel of one step plate is overlapped with the vertical panel of the other step plate.

2. In the above solution, both ends of the horizontal panel are respectively provided with a first bending portion, and the first bending portion is in surface contact with the supporting plate and is fixedly connected by a plurality of bolts.

3. In the above solution, both ends of the vertical panel are respectively provided with a second bending portion, and the second bending portion is in surface contact with the supporting plate and is fixedly connected by a plurality of bolts.

4. In the above solution, the buffer sheet is provided between the support plate and the first bending portion, and/or between the support plate and the second bending portion.

5. In the above solution, the buffer strip is fixedly installed on the horizontal panel of the step board by a number of screws.

6. In the above solution, the vertical panel of the step plate has a bending strip in the same direction as the horizontal panel, and the bending strip is in surface contact with the buffer strip.

7. In the above solution, the cross-sectional shape of the recessed portion is semicircular.

8. In the above solution, the connecting plate and the lower end respectively have a third flange part that is in the same direction as the second flange part.

9. In the above solution, the outer surface of each of the third flanging portions is in face-to-face contact with the inner surface of the corresponding second flanging portion.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art:

1. The integrally assembled building staircase of the present invention realizes the fully assembled design of the house staircase structure. It only needs to use simple accessories such as screws at the construction site to realize the assembly of the house staircase, avoiding welding and other methods at the construction site Assembling the steps, simplifies the assembly process, improves the assembly speed, and realizes the integrated and convenient installation of the house stairs; in addition, there are several first installation through holes on the connecting plate, and there is a first installation through hole on the first installation through hole. A first nut, a connection through hole corresponding to the first installation through hole is opened on the support plate, a first bolt passes through the connection through hole on the support plate and is threadedly connected with the first nut provided on the connection plate, The arrangement of nuts on the connecting plate enables face-to-face locking and fixation between the supporting plate and the connecting plate, without distortion and deformation of the connection, with good structural stability and easy disassembly and assembly, and it can also avoid missing nuts. , Improve installation efficiency.

2. For the integrally assembled building stairs of the present invention, the upper and lower ends of the two support plates respectively have a second flange part bent on the side opposite to the step plate, and the second flange located at the upper end of the support plate The outer side of the side part has a downward upper bending part, and the second flange part located at the lower end of the support plate has an upward downward bending part. The flange part and the bending part of the support plate are arranged to improve the support plate The mechanical properties further improve the stability of the structural connection between the various components of the stair assembly, and ensure the structural strength and stability of the stair assembly. Furthermore, in conjunction with the setting of the third flanging part of the connecting plate, the support plate and the connection are ensured The stability of the connection between the boards, and the mechanical strength of the support board is enhanced by the connection board, which further ensures the stability of the overall structure of the building components.

3. For the integrally assembled building staircase of the present invention, a buffer strip is arranged between two adjacent step boards, and a buffer sheet is arranged between the two ends of the step board and the two supporting boards. , Provide elastic support between adjacent step plates, which can not only improve the stability of the connection between the step plates and the adjacent components, but also further reduce resonance and enhance the damping effect of the stair structure; further, the support plate and The arrangement of the buffer sheet between the step plates not only improves the stability of the connection between the support plate and the step plate, strengthens the structural strength, but also further enhances the shock absorption capacity of the overall structure of the staircase.

4. For the integrally assembled building staircase of the present invention, a second support member is installed on the two support plates of the stair assembly connected to the lower platform at the lower end, and the second support member is installed at the lower end of the support plate opposite to the step plate On the surface, the second support includes a first mounting plate connected to the support plate and a second mounting plate connected to the lower platform. The first mounting plate is provided with a plurality of communication ports for connecting with the support plate. The through hole is a bar-shaped through hole or a gourd-shaped through hole formed by connecting several circular through holes. The arrangement of the second support member not only realizes the stable connection between the lower part of the staircase assembly and the lower platform, It also enhances the structural stability of the building components, and further, through the adjustable through-holes on the first support plate, it is convenient to install the second support member, and the use range of the second support member is enhanced to realize the Quick disassembly and assembly of stair components.

5. The rest platform of the integrally assembled building staircase of the present invention further includes a bottom support beam group and a top panel installed above the bottom support beam group. A number of long U-shaped strips are spaced on the lower surface of the top panel. Protrusions. The opposite surfaces of the U-shaped protrusions respectively have a long strip of depressions. The U-shaped protrusions on the top panel are arranged at intervals to increase the structure of the top panel without increasing the thickness of the top panel. Strength, and at the same time enhance the bonding strength between the top panel and the filler (such as concrete) below, and the arrangement of the recesses will further enhance the structural strength of the top panel while further enhancing the bonding strength between the top panel and the filler, thereby enhancing The overall structural strength and stability of the stairs.

Description of the drawings

Fig. 1 is a schematic diagram of the structure of an integrally assembled building staircase according to the present invention;

Figure 2 is a schematic diagram of a partial structure of an integrated building staircase according to the present invention;

Figure 3 is a schematic diagram of the structure of the step board in the integrally assembled building stairs of the present invention;

Fig. 4 is a schematic diagram of a partial structure of an integrated building staircase according to the present invention;

Fig. 5 is a schematic diagram 1 of the partial structure of the staircase assembly in the integrally assembled building staircase of the present invention;

Fig. 6 is a schematic diagram 2 of a partial structural decomposition of the integrally assembled building staircase of the present invention;

Fig. 7 is a schematic diagram 2 of the partial structure of the staircase assembly in the integrally assembled building staircase of the present invention;

Fig. 8 is a schematic diagram 3 of the partial structure of the staircase assembly in the integrated building staircase of the present invention;

Fig. 9 is a schematic diagram of a partial structure of a rest platform in an integrally assembled building staircase of the present invention.

In the above drawings: 1. Upper platform; 2. Lower platform; 3. Resting platform; 31, Bottom support beam group; 32, top panel; 321, U-shaped raised part; 322, recessed part; 4. Stair assembly; 41. Support plate; 411, second flange part; 412, upper bending part; 413, lower bending part; 434, third flange part; 42, step plate; 421, horizontal panel; 422, vertical panel 423, the first bending part; 424, the second bending part; 43, the connecting plate; 431, the first installation through hole; 432, the first nut; 433, the first bolt; 44, the first flange part; 45. Buffer strip; 46. Buffer sheet; 47. Support; 48. Connection; 49. Second support; 491. First mounting plate; 492. Second mounting plate; 493. Through hole.

Detailed ways

In the description of this patent, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. Therefore, the construction and operation cannot be construed as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be construed as indicating or implying relative importance; in addition, unless otherwise Clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a connection. Electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in this patent can be understood under specific circumstances.

Embodiment 1: An integrally assembled building staircase, comprising an upper platform 1, a lower platform 2, a rest platform 3 located between the upper platform 1, the lower platform 2, and a number of staircase assemblies 4, one end of the staircase assembly 4 is connected to The rest platform 3 is connected, and the other end of this stair assembly 4 is connected to the upper platform 1 or the lower platform 2;

The stair assembly 4 further includes two face-to-face support plates 41 and a plurality of step plates 42. The two ends of the step plates 42 are respectively connected to the inner surfaces of the two support plates 41, and the plurality of step plates 42 are Inclined and lapped downwards successively;

A connecting plate 43 is installed on the surfaces of the two supporting plates 41 opposite to each other. The connecting plate 43 is installed on the upper end of the supporting plate 41. A first flanging portion 44, the first flanging portion 44 is arranged perpendicular to the support plate 41 and is fixedly connected to the upper platform 1 or the rest platform 3;

The connecting plate 43 is provided with a plurality of first mounting through holes 431, a first nut 432 is mounted on the first mounting through hole 431, and the supporting plate 41 is provided with a connection corresponding to the first mounting through hole 431 Through hole, a first bolt 433 passes through the connection through hole on the support plate 41 and is threadedly connected with the first nut 432 provided on the connection plate 43;

The upper and lower ends of the two support plates 41 respectively have a second flange part 411 bent on the side opposite to the step plate 42, and the outer side of the second flange part 411 located at the upper end of the support plate 41 has a downward direction The upper bending portion 412 of the support plate 41 has an upward lower bending portion 413 outside of the second flange portion 411 at the lower end of the support plate 41;

A buffer strip 45 is provided between two adjacent step plates 42, and a buffer sheet 46 is provided between two ends of the step plates 42 and the two supporting plates 41;

A second support 49 is installed on the two support plates 41 of the stair assembly 4 connected to the lower platform 2 at the lower end, and the second support 49 is mounted on the surface of the support plate 41 opposite to the step plate 42 at the lower end, The second supporting member 49 includes a first mounting plate 491 connected to the supporting plate 41 and a second mounting plate 492 connected to the lower platform 2. The first mounting plate 491 is provided with several mounting plates for connecting with the supporting plate 41. The connected through hole 493, the through hole 493 is a bar-shaped through hole or a gourd-shaped through hole formed by connecting a plurality of circular through holes;

The rest platform 3 further includes a bottom support beam group 31 and a top panel 32 installed above the bottom support beam group 31. A plurality of elongated U-shaped protrusions 321 are provided on the lower surface of the top panel 32 at intervals. The opposite surfaces of the U-shaped protrusion 321 respectively have a long depression 322.

The above-mentioned stepped plate 42 further includes a horizontal panel 421 and a vertical panel 422. Among the two adjacently arranged stepped plates 42, the horizontal panel 421 of one stepped plate 42 is overlapped with the vertical panel 422 of the other stepped plate 42;

Both ends of the horizontal panel 421 are respectively provided with a first bending portion 423, the first bending portion 423 is in surface contact with the supporting plate 41 and is fixedly connected by a plurality of bolts; both ends of the vertical panel 422 are respectively provided with a second A bending portion 424, the second bending portion 424 is in surface contact with the support plate 41 and is fixedly connected by a number of bolts;

The buffer sheet 46 is provided between the support plate 41 and the first bending portion 423, and between the support plate 41 and the second bending portion 424; the buffer strip 45 is fixedly installed on the horizontal panel of the step plate 42 by a number of screws 421; the vertical panel 422 of the step plate 42 has a bending strip in the same direction as the horizontal panel 421, and the bending strip is in surface contact with the buffer strip 45.

Embodiment 2: An integrally assembled building staircase, comprising an upper platform 1, a lower platform 2, a rest platform 3 located between the upper platform 1, the lower platform 2, and a number of stair components 4, one end of the stair component 4 and The rest platform 3 is connected, and the other end of this stair assembly 4 is connected to the upper platform 1 or the lower platform 2;

The stair assembly 4 further includes two supporting plates 41 and a plurality of step plates 42 arranged facing each other. The two ends of the step plates 42 are respectively connected to the inner surfaces of the two supporting plates 41, and the plurality of step plates 42 are Inclined and lapped downwards successively;

The cross-sectional shape of the concave portion 324 is semicircular; the upper and lower ends of the connecting plate 43 respectively have a third flange portion 434 that is in the same direction as the second flange portion 411; the outer portion of each third flange portion 434 The surface is in face-to-face contact with the inner surface of the respective second flanging portion 411; the lower ends of the two support plates 41 of the stair assembly 4 connected to the rest platform 3 are respectively installed with a support 47; The connected staircase assembly 4 is connected to the rest platform 3 through a connecting piece 48.

When the above-mentioned integrated building stairs are used, the fully assembled design of the house staircase structure is realized. Only simple accessories such as screws are needed at the construction site to realize the assembly of the house stairs, avoiding welding and other methods at the construction site. Step-by-step assembly simplifies the assembly process, improves the assembly speed, and realizes the integrated and convenient installation of the house stairs;

In addition, the arrangement of nuts on the connecting plate enables face-to-face locking and fixing between the supporting plate and the connecting plate, without distortion and deformation of the connection, and the structure is stable and easy to disassemble, and it can also avoid the loss of nuts. Wait for the situation to improve installation efficiency;

In addition, through the setting of the flanging part and the bending part of the supporting plate, the mechanical performance of the supporting plate is improved, and the stability of the structural connection between the various parts of the stair assembly is improved, and the structural strength and stability of the stair assembly is ensured. Yes, in conjunction with the setting of the third flange part of the connecting plate, it not only ensures the stability of the connection between the supporting plate and the connecting plate, but also enhances the mechanical strength of the supporting plate through the connecting plate, and further ensures the stability of the overall structure of the building assembly sex;

In addition, through the arrangement of buffer strips, elastic support is provided between adjacent step plates, which can not only improve the stability of the connection between the step plates and the adjacent components, but also further reduce resonance and enhance the shock absorption effect of the staircase structure; Furthermore, the arrangement of the buffer sheet between the support plate and the step plate not only improves the stability of the connection between the support plate and the step plate, enhances the structural strength, but also further enhances the shock absorption capacity of the overall structure of the staircase;

In addition, the arrangement of the second support not only realizes the stable connection between the lower part of the stair assembly and the lower platform, but also enhances the structural stability of the building assembly. Furthermore, the setting of the through holes can be adjusted through the first support plate, It not only facilitates the installation of the second support, but also enhances the use range of the second support, and realizes the rapid disassembly and assembly of the stair assembly;

In addition, through the spacing of U-shaped protrusions on the top panel, the structural strength of the top panel is increased without increasing the thickness of the top panel, and the bonding strength between the top panel and the filler below it (such as concrete) is enhanced. The arrangement of the recesses further enhances the structural strength of the top panel and at the same time further enhances its bonding strength with the filler, thereby enhancing the overall structural strength and stability of the staircase.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable those familiar with the art to understand the content of the present invention and implement them accordingly, and should not limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

An integrally assembled building staircase, which is characterized by: comprising an upper platform (1), a lower platform (2), a rest platform (3) located between the upper platform (1) and the lower platform (2), and a number of stair components (4) One end of the staircase assembly (4) is connected to the rest platform (3), and the other end of the staircase assembly (4) is connected to the upper platform (1) or the lower platform (2);

The stair assembly (4) further includes two supporting plates (41) and a plurality of step plates (42) arranged face to face, and two ends of the step plates (42) are respectively connected to the inner surfaces of the two supporting plates (41). Connected, a plurality of the step plates (42) are arranged in an inclined shape and overlapped downward;

A connecting plate (43) is installed on the surfaces of the two supporting plates (41) opposite to each other. The connecting plate (43) is installed on the upper end of the supporting plate (41). The first flanging portion (44) bent in the direction of the support plate (41), the first flanging portion (44) is arranged perpendicular to the support plate (41) and is connected to the upper platform (1) or the rest platform (3). ) Fixed connection;

A plurality of first installation through holes (431) are opened on the connecting plate (43), a first nut (432) is installed on the first installation through hole (431), and a first nut (432) is installed on the support plate (41). In the connecting through hole corresponding to the first mounting through hole (431), a first bolt (433) passes through the connecting through hole on the support plate (41) and is connected to the first nut (432) provided on the connecting plate (43). ) Threaded connection;

The upper and lower ends of the two support plates (41) respectively have a second flanging portion (411) bent on the side opposite to the step plate (42), and the second flange portion (411) is located at the upper end of the support plate (41). The outer side of the flanging portion (411) has a downward upper bending portion (412), and the outer side of the second flanging portion (411) at the lower end of the supporting plate (41) has an upward lower bending portion (413);

A buffer strip (45) is provided between two adjacent step plates (42), and a buffer sheet (46) is provided between the two ends of the step plate (42) and the two supporting plates (41);

A second support member (49) is respectively installed on the two support plates (41) of the staircase assembly (4) connected to the lower platform (2) at the lower end, and the second support member (49) is mounted on the support plate (41). ) The lower end is opposite to the surface of the step plate (42), and the second support (49) includes a first mounting plate (491) connected to the supporting plate (41) and a second mounting plate (491) connected to the lower platform (2) The mounting plate (492), the first mounting plate (491) is provided with a plurality of through holes (493) for connecting with the supporting plate (41), and the through holes (493) are bar-shaped through holes or A gourd-shaped through hole formed by connecting several circular through holes;

The rest platform (3) further includes a bottom support beam group (31) and a top panel (32) installed above the bottom support beam group (31), and a number of spaces are arranged on the lower surface of the top panel (32) A long U-shaped convex portion (321) is provided with a long concave portion (322) on the opposite surface of the U-shaped convex portion (321).
The integrally assembled building staircase according to claim 1, characterized in that: the step board (42) further comprises a horizontal panel (421) and a vertical panel (422), and the two step boards (42) are arranged adjacent to each other. In ), the horizontal panel (421) of one step plate (42) is overlapped with the vertical panel (422) of the other step plate (42).
The integrally assembled building staircase according to claim 2, characterized in that: both ends of the horizontal panel (421) respectively have a first bending portion (423), and the first bending portion (423) and the support The plates (41) are in surface contact and are fixedly connected by a number of bolts.
The integrally assembled building staircase according to claim 2 or 3, characterized in that: both ends of the vertical panel (422) respectively have a second bending portion (424), and the second bending portion (424) ) Is in surface contact with the support plate (41) and is fixedly connected by a number of bolts.
The integrally assembled building staircase according to claim 4, characterized in that: between the support plate (41) and the first bending portion (423), and/or the support plate (41) and the second bending portion (423) The buffer sheet (46) is arranged between the bent portions (424).
The integrally assembled building staircase according to claim 2, characterized in that the buffer strip (45) is fixedly installed on the horizontal panel (421) of the step plate (42) by a plurality of screws.
The integrally assembled building staircase according to claim 6, characterized in that: the vertical panel (422) of the step board (42) has a bending strip in the same direction as the horizontal panel (421), and the bending The strip is in surface contact with the buffer strip (45).
The integrally assembled building staircase according to claim 1, wherein the cross-sectional shape of the recess (324) is semicircular.
The integrally assembled building staircase according to claim 1, characterized in that: the upper and lower ends of the connecting plate (43) respectively have a third flanging part (434) which is in the same direction as the second flanging part (411) .
The integrally assembled building staircase according to claim 9, characterized in that: the outer surface of each third flanging portion (434) is in face-to-face contact with the inner surface of the respective second flanging portion (411).