Outdoor open staircase
By using light aggregate backfill steps, JS polymer waterproof coating, rock wool insulation and drainage ditch in outdoor open stairwells, the shortcomings of traditional stairwells in waterproof, drainage and heat preservation are solved, and efficient interface separation, anti-seepage, insulation and drainage effects are achieved.
Patent Information
- Application Number
- CN202421539399.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-01
AI Technical Summary
Traditional outdoor open stairwells have shortcomings in waterproofing, drainage, and thermal insulation, which is difficult to effectively solve the waterproofing, drainage, and thermal insulation problems with the surrounding walls and lower indoor spaces.
Interface separation is performed using light aggregate backfilling steps, combined with the comprehensive structural measures of JS polymer waterproof coating, rock wool insulation and drainage ditch, an outdoor open stairwell is formed.
The height difference connection between the outdoor roof and the platform is achieved to prevent water seepage, provide effective insulation and drainage functions, avoid the formation of indoor and outdoor hot and cold bridges, and prevent water accumulation from pouring back.
Smart Images

Figure CN222909266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building structures, and particularly to an outdoor open staircase. Background Art
[0002] The traditional open staircase is directly outdoors without the need to deal with waterproofing, heat preservation and structural drainage problems between the main body. The open staircase on the roof of the utility model belongs to a sunken open staircase, and a series of problems such as waterproofing, drainage and heat preservation with the surrounding walls and the lower indoor space need to be reasonably solved. This utility model precisely makes up for the practices and structural measures of the treatment methods for such special spaces. Content of the Utility Model
[0003] Aiming at the defects in the prior art, the purpose of the utility model is to provide an outdoor open staircase.
[0004] An outdoor open staircase according to the utility model includes: an outdoor roof 3, a lightweight aggregate backfilled step 2, an outdoor platform 8, and an outdoor flight of stairs 1;
[0005] The interface between the outdoor roof 3 and the outdoor platform 8 is separated by the lightweight aggregate backfilled step 2; and then combined with the outdoor flight of stairs 1 to form an outdoor open staircase.
[0006] Preferably, the number of steps of the lightweight aggregate backfilled step 2 is not less than 2 steps.
[0007] Preferably, JS polymer waterproof coating 7 is brushed on the upper surface of the outdoor flight of stairs 1.
[0008] Preferably, the brushing thickness of the JS polymer waterproof coating 7 is not less than 1.5 mm.
[0009] Preferably, the rock wool insulation 4 is located on the outer side of the exterior wall, and the thickness meets the requirements of energy-saving design.
[0010] Preferably, the drainage ditch 6 is located at the bottommost layer of the outdoor open staircase.
[0011] Preferably, the size of the drainage ditch 6 is not less than 600*300(h).
[0012] Preferably, the thermal insulation mortar 5 is located at the top of the indoor flight of stairs and the platform.
[0013] Preferably, the thickness of the thermal insulation mortar 5 is not more than 30 mm.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. By adopting the structure of lightweight aggregate backfilled steps, the utility model solves the problem of different elevations between the outdoor roof and the outdoor platform, achieving the effect of height difference connection between the two.
[0016] 2. The utility model solves the water seepage problem of the outdoor staircase section by adopting the structure of brushing JS polymer waterproof coating on the surface, achieving the effect of longitudinal downward waterproofing of the outdoor staircase section.
[0017] 3. The utility model solves the heat preservation problem between indoors and outdoors by adopting the structure of rock wool heat preservation, achieving the effect of isolating the indoor and outdoor heat bridges.
[0018] 4. The utility model solves the heat preservation problem of the outdoor platform of the outdoor staircase section and the indoor staircase section by adopting the structure of thermal insulation mortar, achieving the effect of preventing indoor and outdoor heat bridges.
[0019] 5. The utility model solves the ground drainage problem of the outdoor staircase by adopting the structure of a drainage ditch, achieving the effect of preventing water accumulation and backflow into the room. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Other features, objectives and advantages of the utility model will become more apparent by reading the following detailed description of the non-restrictive embodiments with reference to the accompanying drawings:
[0021] Figure 1 It is a schematic diagram of an outdoor open staircase.
[0022] 1 - Outdoor staircase section; 2 - Light aggregate backfilled steps; 3 - Outdoor roof; 4 - Rock wool heat preservation; 5 - Thermal insulation mortar; 6 - Drainage ditch; 7 - JS polymer waterproof coating; 8 - Outdoor platform. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The following will describe the utility model in detail with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be noted that for those of ordinary skill in the art, without departing from the concept of the utility model, several changes and improvements can still be made. These all fall within the protection scope of the utility model.
[0024] Embodiment 1
[0025] The utility model provides an open staircase on the roof. As Figure 1 shown, by using a series of structural measures such as light aggregate backfilled steps 2, rock wool heat preservation 4, and drainage ditch 6, the influence of the shape of the roof staircase on the shape and elevation is avoided.
[0026] The outdoor open staircase mainly includes light aggregate backfilled steps 2 arranged on the outdoor roof 3, JS polymer waterproof coating 7 arranged on the outdoor staircase section 1, rock wool heat preservation 4 arranged on the outdoor wall surface, drainage ditch 6 arranged at the lowest outdoor position, and thermal insulation mortar 5 arranged inside the boundary between the indoor and the lowest outdoor position.
[0027] The outdoor roof 3 and the outdoor platform 8 are separated at the interface by backfilling the steps 2 with lightweight aggregate, and the number of steps is not less than 2 steps.
[0028] The JS polymer waterproof coating 7 is brushed on the upper surface of the outdoor stair section 1, and the thickness is not less than 1.5 mm.
[0029] The rock wool insulation 4 is located on the outer side of the exterior wall, and the thickness meets the requirements of the energy-saving design.
[0030] The drainage ditch 6 is located at the bottommost layer of the outdoor stairwell, and the size is not less than 600*300(h).
[0031] The thermal insulation mortar 5 is located at the top of the indoor stair section and the platform, and the thickness is not more than 30 mm.
[0032] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.
[0033] The specific embodiments of the present utility model have been described above. It should be understood that the present utility model is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present utility model. Without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.
Claims
1. An outdoor open stairwell, characterized in that: include: Outdoor roof (3), light aggregate backfill steps (2), outdoor platform (8), outdoor staircase (1); The outdoor roof (3) and the outdoor platform (8) are separated at the interface by the light aggregate backfill steps (2); and then combined with the outdoor staircase (1) to form an outdoor open staircase.
2. The outdoor open stairwell according to claim 1, characterized in that: The number of steps of the light aggregate backfill step (2) is not less than 2.
3. The outdoor open stairwell according to claim 1, characterized in that: The JS polymer waterproof coating (7) is brushed onto the upper surface of the outdoor staircase (1).
4. The outdoor open stairwell according to claim 3, characterized in that: The JS polymer waterproof coating (7) is applied with a thickness of not less than 1.5 mm.
5. The outdoor open staircase according to claim 1, characterized in that: The rock wool insulation (4) is located on the outside of the exterior wall, and its thickness meets the energy-saving design requirements.
6. The outdoor open staircase according to claim 1, characterized in that: The drainage ditch (6) is located at the bottom floor of the outdoor open stairwell.
7. The outdoor open stairwell according to claim 1, characterized in that: The thermal insulation mortar (5) is located on the top of the indoor staircase and platform.
8. The outdoor open staircase according to claim 7, characterized in that: The thickness of the thermal insulation mortar (5) is not greater than 30 mm.