Spiral stair

Abstract

The utility model provides a spiral stair, which belongs to the technical field of building decoration and comprises a bearing beam, a high platform and a plurality of stress columns, the side wall of the high platform is fixedly connected with a connecting column, the other end of the connecting column is fixedly connected with the side wall of the bearing beam, and the side wall of the high platform is fixedly provided with a stair platform. According to the spiral stair, the spiral stair has good attractiveness while achieving practicability through a plurality of step mounting plates and glass step plates which are spirally and upwards arranged, the edges of the glass step plates are decorated through the yellow titanium-plated stainless steel plates, so that steps of the stair have certain anti-skid capacity, and the spiral stair is attractive in appearance. And by arranging the connecting assembly, the handrail of the stair can be conveniently and rapidly mounted and dismounted, meanwhile, the height of the handrail can be adjusted, and the applicability and practicability of the stair are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building decoration, in particular to a spiral staircase. Background Art

[0002] A spiral staircase is a staircase design with great artistic beauty and practicality. Its uniqueness lies in its spiral shape, which saves space and looks elegant. The design inspiration of this type of staircase often comes from nature, such as vines, spiral shells, etc., which makes the whole building more vital and dynamic. In addition, the spiral staircase not only has practical functions, but is also an important decorative element. It can add a unique charm to the space and enhance the overall design sense. At the same time, the spiral staircase can also serve as the focus of the space, attracting people's attention and becoming the highlight of the entire space.

[0003] The above-mentioned prior art often has the following problems when used:

[0004] The existing spiral staircases often fail to balance practicality and aesthetics when in use. The connection between the steel frame and the glass treads is not beautiful enough, and the glass treads lack some anti-slip measures, making it easy to fall. At the same time, the handrails of the existing spiral staircases are not convenient enough to install. If they need to be replaced due to oxidation due to metal material problems, the replacement is not convenient enough. At the same time, the handrails should have corresponding height adjustment measures to suit different user groups. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a spiral staircase.

[0006] An embodiment of the utility model provides a spiral staircase, comprising:

[0007] A load-bearing beam, a high platform, and a plurality of load-bearing columns, wherein the side wall of the high platform is fixedly connected with a connecting column, the other end of the connecting column is fixedly connected to the side wall of the load-bearing beam, the side wall of the high platform is fixedly provided with a stair platform, the side wall of the stair platform is fixedly connected to the side wall of the load-bearing beam through a bracket, a No. 1 spiral mounting plate is fixedly connected between the side walls of the plurality of load-bearing columns, a plurality of spiral supporting ribs are fixedly connected equidistantly between the plurality of load-bearing columns, a No. 2 spiral mounting plate is fixedly connected to the circumferential side wall of the load-bearing beam, the top end of the No. 2 spiral mounting plate is fixedly connected to the side wall of the stair platform, a plurality of step mounting plates are fixedly connected equidistantly between the No. 1 spiral mounting plate and the No. 2 spiral mounting plate, a glass step plate is fixedly provided between adjacent step mounting plates, a No. 1 spiral handrail is fixedly provided on the side wall of the No. 1 spiral mounting plate, and a No. 2 spiral handrail is provided on the side of the No. 1 spiral mounting plate;

[0008] A plurality of connection components are provided, wherein the connection components are used for connecting a No. 1 spiral mounting plate with a No. 1 spiral handrail.

[0009] Furthermore, the connecting assembly includes a fixing plate fixedly connected to the side wall of the No. 1 spiral mounting plate, a No. 1 threaded rod is provided under the fixing plate, the No. 1 threaded rod is rotatably connected to the upper surface of the fixing plate through a bearing, a nut is threadedly connected to the No. 1 threaded rod, and the side walls on both sides of the nut are fixedly connected to a limiting plate, the upper surface of the fixing plate is fixedly connected to two guide rods, the two limiting plates are respectively slidably sleeved on the two guide rods, the upper surfaces of the two limiting plates are fixedly connected to support columns, the top ends of the two support columns are fixedly connected to a connecting plate, the side walls of the connecting plate are fixedly connected to an arc-bearing plate, an arc-bearing pressure plate is provided in the arc-bearing plate, the upper surface of the arc-bearing pressure plate is rotatably connected to a No. 2 threaded rod through a bearing, the upper surface of the arc-bearing plate is provided with a threaded hole, and the No. 2 threaded rod is threadedly connected to the threaded hole.

[0010] Furthermore, the plurality of step mounting plates and the plurality of glass step plates are all equidistantly arranged in a spiral upward direction along the No. 1 spiral mounting plate and the No. 2 spiral mounting plate.

[0011] Furthermore, the second spiral handrail is located between the arc-shaped bearing plate and the arc-shaped pressing plate.

[0012] Furthermore, the edges of the plurality of glass treads are decorated with yellow titanium-plated stainless steel plates.

[0013] Furthermore, a protective fence is provided on the edge of the upper surface of the stair platform, and the top of the No. 1 spiral handrail is fixedly connected to the side wall of the protective fence.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, a plurality of spirally arranged step mounting plates and glass step plates are used to make the spiral staircase itself have good aesthetics while achieving practicality. At the same time, the edges of the glass step plates are modified by yellow titanium-plated stainless steel plates, so that the steps of the stairs have a certain anti-slip ability, thereby improving practicality and safety. By setting a connecting component, the handrail of the staircase can be easily installed and disassembled, and the height of the handrail can also be adjusted, thereby improving the applicability and practicality of the stairs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a spiral staircase described in an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of a spiral staircase described in an embodiment of the utility model from another perspective.

[0018] Figure 3 It is a schematic diagram of the main structural analysis of a spiral staircase connection component described in an embodiment of the utility model.

[0019] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0020] In the above drawings: 1 load-bearing beam, 2 high platform, 3 load-bearing column, 4 connecting column, 5 stair platform, 6 No. 1 spiral mounting plate, 7 spiral supporting rib, 8 No. 2 spiral mounting plate, 9 step mounting plate, 10 glass step plate, 11 No. 1 spiral handrail, 12 No. 2 spiral handrail, 13 fixing plate, 14 No. 1 threaded rod, 15 nut, 16 limit plate, 17 guide rod, 18 supporting column, 19 connecting plate, 20 arc-shaped bearing plate, 21 arc-shaped pressure plate, 22 No. 2 threaded rod, 23 protective fence. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1-Figure 4 As shown, the embodiment of the utility model provides a spiral staircase, comprising:

[0023] A load-bearing beam 1, a high platform 2, and a plurality of load-bearing columns 3. A connecting column 4 is fixedly connected to the side wall of the high platform 2. The other end of the connecting column 4 is fixedly connected to the side wall of the load-bearing beam 1. A staircase platform 5 is fixedly provided on the side wall of the high platform 2. The side wall of the staircase platform 5 is fixedly connected to the side wall of the load-bearing beam 1 through a bracket. A No. 1 spiral mounting plate 6 is fixedly connected between the side walls of the plurality of load-bearing columns 3. A plurality of spiral supporting ribs 7 are equidistantly fixedly connected between the plurality of load-bearing columns 3. A No. 2 spiral mounting plate 8 is fixedly connected to the circumferential side wall of the load-bearing beam 1. The top end of the No. 2 spiral mounting plate 8 is fixedly connected to the side wall of the staircase platform 5. A plurality of step mounting plates 9 are equidistantly fixedly connected between the No. 1 spiral mounting plate 6 and the No. 2 spiral mounting plate 8. Adjacent step mounting plates are fixedly connected. A glass tread plate 10 is fixed between the plates 9, a No. 1 spiral handrail 11 is fixed on the side wall of the load-bearing beam 1, a No. 2 spiral handrail 12 is provided on the side of the No. 1 spiral mounting plate 6, and multiple tread mounting plates 9 and multiple glass tread plates 10 are equidistantly arranged upward in a spiral along the No. 1 spiral mounting plate 6 and the No. 2 spiral mounting plate 8. The edges of the multiple glass tread plates 10 are decorated with yellow titanium-plated stainless steel plates, so that the steps of the stairs have a certain anti-slip ability, improving practicality and safety. A protective fence 23 is provided on the edge of the upper surface of the staircase platform 5, and the top of the No. 1 spiral handrail 11 is fixedly connected to the side wall of the protective fence 23, thereby enhancing the safety of the spiral staircase itself and making the structure of the staircase itself more stable;

[0024] A plurality of connection components are used for connecting the No. 1 spiral mounting plate 6 with the No. 1 spiral handrail 11. The connection components include a fixing plate 13 fixedly connected to the side wall of the No. 1 spiral mounting plate 6. A No. 1 threaded rod 14 is provided below the fixing plate 13. The No. 1 threaded rod 14 is rotatably connected to the upper surface of the fixing plate 13 through a bearing. A nut 15 is threadedly connected to the No. 1 threaded rod 14. The side walls on both sides of the nut 15 are fixedly connected to a limit plate 16. Two guide rods 17 are fixedly connected to the upper surface of the fixing plate 13. The two limit plates 16 are respectively It is slidably sleeved on two guide rods 17, and the upper surfaces of the two limit plates 16 are fixedly connected to support columns 18, the tops of the two support columns 18 are fixedly connected to connecting plates 19, and the side walls of the connecting plates 19 are fixedly connected to arc-shaped bearing plates 20, and an arc-shaped pressure plate 21 is provided in the arc-shaped bearing plate 20, and a No. 2 threaded rod 22 is rotatably connected to the upper surface of the arc-shaped pressure plate 21 through a bearing, and a threaded hole is provided on the upper surface of the arc-shaped bearing plate 20, and the No. 2 threaded rod 22 is threadedly connected to the threaded hole, and the No. 2 spiral handrail 12 is located between the arc-shaped bearing plate 20 and the arc-shaped pressure plate 21.

[0025] The detailed working process of the utility model is as follows:

[0026] First, complete the installation between the load-bearing beam 1, the high platform 2, and the multiple load-bearing columns 3, fix the load-bearing columns 3 through multiple spiral support ribs 7, and then install the No. 1 spiral mounting plate 6 between the multiple load-bearing columns 3. After completion, install the No. 2 spiral mounting plate 8 on the side wall of the load-bearing beam 1. After the overall frame is completed, install the step mounting plate 9 between the No. 1 spiral mounting plate 6 and the No. 2 spiral mounting plate 8 at equal intervals upward in a spiral manner, and install the glass step plate 10 between two adjacent step mounting plates 9, and use yellow titanium-plated stainless steel plates to modify the edges of the glass step plate 10. After completion, install the No. 1 spiral handrail;

[0027] After all the above are completed, the installation of the No. 2 spiral handrail 12 is carried out. The No. 2 spiral handrail 12 is placed between the arc-shaped bearing plate 20 and the arc-shaped pressure plate 21 of multiple connecting components, and the No. 2 threaded rod 22 is rotated to make the arc-shaped pressure plate 21 move downward and gradually press the No. 2 spiral handrail 12 to complete the installation, which is very convenient. If the height of the No. 2 spiral handrail 12 needs to be adjusted, the No. 1 threaded rod 14 is rotated. Under the limitation of the guide rod 17 and the limit plate 16, the nut 15 will drive the connecting plate 19 to move through the support column 18. When it needs to be raised, move it upward. Similarly, when it needs to be lowered, move it downward. Drive the arc-shaped bearing plate 20 and the No. 2 spiral handrail 12 to move through the connecting plate 19. By operating multiple connecting components with the same hand, the height of the stair handrail can be adjusted, thereby improving the applicability and practicality of the stairs.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spiral staircase, characterized in that: include: A load-bearing beam (1), a high platform (2), and a plurality of load-bearing columns (3), wherein the side wall of the high platform (2) is fixedly connected to a connecting column (4), the other end of the connecting column (4) is fixedly connected to the side wall of the load-bearing beam (1), the side wall of the high platform (2) is fixedly provided with a staircase platform (5), the side wall of the staircase platform (5) is fixedly connected to the side wall of the load-bearing beam (1) via a bracket, a No. 1 spiral mounting plate (6) is fixedly connected between the side walls of the plurality of load-bearing columns (3), and a plurality of spiral support ribs (7) are equidistantly fixedly connected between the plurality of load-bearing columns (3). ), a second spiral mounting plate (8) is fixedly connected to the circumferential side wall of the load-bearing beam (1), the top of the second spiral mounting plate (8) is fixedly connected to the side wall of the stair platform (5), a plurality of step mounting plates (9) are fixedly connected equidistantly between the first spiral mounting plate (6) and the second spiral mounting plate (8), a glass step plate (10) is fixedly provided between adjacent step mounting plates (9), a first spiral handrail (11) is fixedly provided on the side wall of the load-bearing beam (1), and a second spiral handrail (12) is provided on the side of the first spiral mounting plate (6); A plurality of connection components, wherein the connection components are used to connect a No. 1 spiral mounting plate (6) and a No. 1 spiral handrail (11).

2. A spiral staircase according to claim 1, characterized in that: in: The connection assembly comprises a fixing plate (13) fixedly connected to the side wall of a first spiral mounting plate (6), a first threaded rod (14) being provided below the fixing plate (13), the first threaded rod (14) being rotatably connected to the upper surface of the fixing plate (13) through a bearing, a nut (15) being threadedly connected to the first threaded rod (14), the side walls on both sides of the nut (15) being fixedly connected to a limiting plate (16), the upper surface of the fixing plate (13) being fixedly connected to two guide rods (17), the two limiting plates (16) being slidably sleeved on the fixing plate (13) and the two limiting plates (16) being respectively slidably sleeved on the fixing plate (13). On the two guide rods (17), the upper surfaces of the two limit plates (16) are fixedly connected to support columns (18), the top ends of the two support columns (18) are fixedly connected to connecting plates (19), the side walls of the connecting plates (19) are fixedly connected to arc-shaped bearing plates (20), an arc-shaped pressure plate (21) is provided inside the arc-shaped bearing plate (20), the upper surface of the arc-shaped pressure plate (21) is rotatably connected to a second threaded rod (22) via a bearing, the upper surface of the arc-shaped bearing plate (20) is provided with a threaded hole, and the second threaded rod (22) is threadedly connected to the threaded hole.

3. A spiral staircase according to claim 1, characterized in that: in: The plurality of step mounting plates (9) and the plurality of glass step mounting plates (10) are all arranged in an equidistant spiral upward along the first spiral mounting plate (6) and the second spiral mounting plate (8).

4. A spiral staircase according to claim 2, characterized in that: in: The second spiral handrail (12) is located between the arc-shaped bearing plate (20) and the arc-shaped pressing plate (21).

5. The spiral staircase according to claim 1, characterized in that: in: The edges of the plurality of glass treads (10) are all decorated with yellow titanium-plated stainless steel plates.

6. The spiral staircase according to claim 1, characterized in that: in: A protective fence (23) is provided on the edge of the upper surface of the staircase platform (5), and the top end of the first spiral handrail (11) is fixedly connected to the side wall of the protective fence (23).

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