CN215054707U - Stair unit, scissor type stair structure and double-race stair with scissor type stair structure - Google Patents
Stair unit, scissor type stair structure and double-race stair with scissor type stair structure Download PDFInfo
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- CN215054707U CN215054707U CN202120752184.2U CN202120752184U CN215054707U CN 215054707 U CN215054707 U CN 215054707U CN 202120752184 U CN202120752184 U CN 202120752184U CN 215054707 U CN215054707 U CN 215054707U
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Abstract
The utility model relates to a stair unit, a scissor type stair structure and a double-race stair with the scissor type stair unit, wherein the stair unit comprises a lower-layer stair platform, an upper-layer stair platform, a stair section and a stair beam; the stair sections are obliquely arranged, the bottom ends of the stair sections are fixedly connected with the lower-layer stair platform, and the top ends of the stair sections are fixedly connected with the upper-layer stair platform; the ladder beam is two, is fixed in the both sides of bench respectively. Traditional ladder roof beam sets up the mode relatively, set up two ladder roof beams respectively at lower floor's landing, common one side and common opposite side of upper stair platform and bench, make both sides ladder roof beam can bury underground in the wallboard or terraced well department, two stands of terraced well department can reduce the roof beam height, thus, easily satisfy bench and landing to the requirement of net height, no longer be subject to less building story height, and then make the stairway unit be applicable to the building of multiple story height, the application scene of stairway unit has effectively been widened.
Description
Technical Field
The utility model relates to a building element technical field especially relates to a stair unit, scissors formula stair structure and have its double-race stair.
Background
The stair unit includes landing and bench, the one end fixed connection of landing and bench, and is equipped with the ladder beam at the stiff end, and the support of ladder beam as supporting fixed bench and landing can reduce the board thickness effectively, improves the steadiness of ladder stair. According to the current design specifications and standards of stairs, the clear height of the upper and lower aisles of the landing is required to be not less than 2.0m, that is, the distance between the bottom end surface of the ladder beam fixed at the bottom end of the upper landing and the top end surface of the lower landing is required to be not less than 2.0 m. It is also required that the clear height of the bench is not less than 2.2m, that is, the distance from the tread of a step on the lower bench to the lowest end of the position corresponding to the upper bench is not less than 2.2 m.
Therefore, the traditional stair units are often greatly limited by the story height, are only suitable for public buildings with higher story heights and cannot be applied to public buildings with lower story heights.
SUMMERY OF THE UTILITY MODEL
For solving traditional stair unit and often receive the restriction of floor height great, only be applicable to the higher public building of floor height, can not be applied to the lower public building's of floor height problem, the utility model provides a stair unit, scissors formula stair structure and have its double-race stair.
The stair unit comprises a lower-layer stair platform, an upper-layer stair platform, a stair section and a stair beam;
the stair sections are obliquely arranged, the bottom ends of the stair sections are fixedly connected with the lower-layer stair platform, and the top ends of the stair sections are fixedly connected with the upper-layer stair platform;
the two ladder beams are respectively fixed on two sides of the ladder section; the upper part of the ladder is fixedly connected with the upper-layer stair platform, and the lower part of the ladder is fixedly connected with the lower-layer stair platform;
the lower landing, the upper landing, the bench and the ladder beam are integrally formed.
In one specific embodiment, each ladder beam is provided with a plurality of bending structures, and each bending structure comprises a left support section, a middle support section and a right support section;
the middle supporting section is obliquely arranged, one end of the middle supporting section is fixedly connected with one end of the left supporting section, and the other end of the middle supporting section is fixedly connected with one end of the right supporting section;
the middle support section is fixed on one side of the ladder section, and the extension directions of the two ends of the middle support section are the same as the extension directions of the ladder section;
the left support section is fixed on one side of the lower-layer stair platform;
the right support section is fixed on one side of the upper-layer stair platform.
In one embodiment, the angle between the extending direction of the ladder section and the vertical direction is 45-60 degrees, and correspondingly, the angle between the extending direction of the middle support section and the vertical direction is 45-60 degrees.
In one embodiment, the lower landing is any one of a landing or a rest platform;
the upper-layer stair platform is any one of a floor platform or a rest platform.
The utility model also provides a scissors formula stair structure, include the stair unit that any above-mentioned embodiment provided;
the two stair units are staggered and arranged adjacently; the lower landing of one stair unit and the lower landing of the other stair unit are positioned on the same plane and are arranged in a staggered manner; the upper-layer stair platform of one stair unit and the upper-layer stair platform of the other stair unit are positioned on the same plane and are arranged in a staggered mode.
In one specific embodiment, the device further comprises a guardrail;
the guardrail is two, is fixed in the adjacent side of the bench of two stair units respectively.
The utility model also provides a double-race stair with a scissor-type stair structure, which comprises a column and the scissor-type stair structure provided by any of the above embodiments;
the adjacent sides of two stair units of the scissor type stair structure are fixed on the upright posts.
In one specific embodiment, two upright posts are arranged in parallel;
the upper part of the ladder beam of one stair unit and the lower part of the ladder beam of the other stair unit are both fixed on one upright post; the lower part of the ladder beam of one stair unit and the upper part of the ladder beam of the other stair unit are both fixed on the other upright post.
In one specific embodiment, the scissor type stair structure is multiple and is layered along the vertical direction;
the lower stair platform of the stair unit of the scissors type stair structure positioned on the upper layer in the adjacent two layers of scissors type stair structures and the upper stair platform of the stair unit of the scissors type stair structure positioned on the lower layer are positioned on the same plane.
The utility model has the advantages that: the utility model discloses a stair unit is through setting up lower floor's landing, upper stair platform and bench, the common both sides of lower floor's landing, upper stair platform and bench can with front and back wallboard fixed connection. Traditional ladder roof beam mode of setting relatively, set up two ladder roof beams respectively at lower floor's landing, common one side and common opposite side of upper stair platform and bench, both sides ladder roof beam can be buried underground in the wallboard or terraced well department, two stands of terraced well department can reduce the roof beam height, thus, easily satisfy bench and landing to the requirement of net height, no longer be subject to less building story height, and then make the stairway unit be applicable to the building of multiple story height, the application scene of stairway unit has effectively been widened. And the ladder beam is used as a support of the lower-layer stair platform, the upper-layer stair platform and the ladder section, so that the lower-layer stair platform, the upper-layer stair platform and the ladder section can be supported and fixed, and the overall structural strength and stability of the stair unit are effectively improved.
Drawings
Fig. 1 is a schematic view of a dual-flight stair with a scissor-type stair structure according to the present invention;
fig. 2 is a structural view of the dual-run stair having the scissor-type stair structure shown in fig. 1 from another perspective.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axis", "circumferential" and the like refer to the orientation or positional relationship shown in the drawings, which are only for convenience of description of the present invention or simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and 2, as an embodiment of the present invention, the stairway unit 100 includes a lower landing 110, an upper landing 120, a bench 130, and a ladder beam 140. The stair sections 130 are obliquely arranged, the bottom ends of the stair sections are fixedly connected with the lower-layer stair platform 110, and the top ends of the stair sections are fixedly connected with the upper-layer stair platform 120. The two ladder beams 140 are respectively fixed to two sides of the ladder section 130, and the upper portion thereof is fixedly connected to the upper landing 120 and the lower portion thereof is fixedly connected to the lower landing 110. The lower landing 110, the upper landing 120, the bench 130 and the ladder beams 140 are integrally formed in the form of cast-in-place concrete.
In this embodiment, the orthographic projection of the lower landing 110, the flights 130 and the upper landing 120 from top to bottom is a square configuration. Wherein, the stair section 130 is obliquely arranged, and the top end and the bottom end thereof are respectively and fixedly connected with the upper landing 120 and the lower landing 110 to form a stair structure. Here, it should be noted that the stair unit 100 is disposed in a staircase, and the staircase includes a left wall panel, a right wall panel, a front wall panel, and a rear wall panel. One end of the lower landing 110 away from the bench 130, i.e., the left end of the lower landing 110, is fixedly connected to the left wall panel, and correspondingly, one end of the upper landing 120 away from the bench 130, i.e., the right end of the upper landing 120, is fixedly connected to the right wall panel. An access door opening is arranged on the wall plate. The common sides of the lower landing 110, the upper landing 120, and the flights 130 may be fixedly attached to the front and rear wall panels. Compared with the traditional mode of setting up the ladder beam 140, set up two ladder beams 140 respectively in lower floor's ladder platform 110, upper stair platform 120 and common one side and common opposite side of bench 130 for both sides ladder beam 140 can bury underground in the front wall board or ladder well department, and two stands of ladder well department can reduce the roof beam height, so, easily satisfy bench 130 and stair platform to the requirement of net height. Further, the stair unit 100 is suitable for buildings with various floor heights, and application scenes of the stair unit 100 are effectively widened. Moreover, the ladder beam 140 serves as a support for the lower landing 110, the upper landing 120, and the flight 130, and can support and fix the lower landing 110, the upper landing 120, and the flight 130, thereby effectively improving the structural strength and stability of the entire stairway unit 100.
In a specific embodiment of the present invention, each ladder beam 140 has a plurality of bending structures, that is, each ladder beam 140 is a bending beam, which includes a left support section 141, a middle support section 142 and a right support section 143. The two ladder beams 140 have the same configuration and shape. The middle support section 142 of each ladder beam 140 is obliquely arranged, one end of the middle support section is fixedly connected with one end of the left support section 141, and the other end of the middle support section is fixedly connected with one end of the right support section 143. The two left support sections 141 of the two ladder beams 140 are fixed to both sides of the lower landing 110, respectively. Both ends of each left support section 141 are flush with both ends of the lower landing 110. As such, the left support section 141 can effectively support and fix the lower landing 110 to improve the stability of the lower landing 110. Two middle support sections 142 of the two ladder beams 140 are respectively fixed to both sides of the ladder section 130. The extending direction of both ends of each middle support section 142 is the same as the extending direction of the ladder section 130, and both ends are flush with both ends of the ladder section 130. In this manner, the middle support section 142 can effectively support the fixed bench 130 to improve the stability of the bench 130. The two right support sections 143 of the two ladder beams 140 are fixed to both sides of the upper-deck ladder platform 120, respectively. Both ends of each right support section 143 are flush with both ends of the upper landing platform 120. As such, the right support section 143 can effectively support and secure the upper landing platform 120 to improve the stability of the upper landing platform 120.
In an embodiment of the present invention, the included angle between the extending direction of the ladder section 130 and the vertical direction is 45-60 degrees, and correspondingly, the included angle between the extending direction of the middle support section 142 and the vertical direction is also 45-60 degrees. Therefore, the walking comfort and the climbing efficiency are effectively improved.
In an embodiment of the present invention, the lower landing 110 is any one of a floor landing or a rest landing, and the upper landing 120 is any one of a floor landing or a rest landing.
The utility model also provides a scissors formula stair structure, stair unit 100 that includes the provision of any one of the above-mentioned embodiments. The stair units 100 are two, staggered and adjacently arranged. The lower landing 110 of one of the stairway units 100 and the lower landing 110 of the other stairway unit 100 are located on the same plane and are arranged in a staggered manner. The landing 120 of one of the stairway units 100 and the landing 120 of the other stairway unit 100 are also in the same plane and are arranged in a staggered manner. Here, the upper landings 120 of the two stairway units 100 are located at the same floor, and the upper landings 120 of the two stairway units 100 are also located at the same floor. A plurality of evacuation door openings are arranged on each floor, and people can enter the stairwell through the evacuation door openings. The scissors type stair structure meets the design regulation and standard of the existing stair, is suitable for buildings with multiple story heights, and has higher structural strength and structural stability. And moreover, the effective evacuation width is effectively widened, the occupancy rate of the stair structure to the public share area is reduced, and the utilization rate of the public share area is improved.
In an embodiment of the present invention, the two side rails are further included and are respectively fixed on the adjacent sides of the stair sections 130 of the two stair units 100. The balustrade can isolate the flights 130 of the two stairway units 100 and improve safety.
The utility model also provides a double-race stair with scissors formula stair structure, including the scissors formula stair structure that stand 200 and any above-mentioned embodiment provided. Adjacent sides of both stairway units 100 of the scissor type stairway structure are secured to the mast 200. The pillar 200 effectively improves the stability of the position of the flight 130, and ensures the strength and structural stability of the dual-track stair structure. Specifically, two columns 200 are provided, and are disposed in parallel with each other. The upper part of the ladder beam 140 of one of the stairway units 100 and the lower part of the ladder beam 140 of the other stairway unit 100 are fixed to one of the pillars 200. The lower part of the ladder beam 140 of one of the stairway units 100 and the upper part of the ladder beam 140 of the other stairway unit 100 are both fixed to the other upright 200. So for the dual-race stair easily accords with the regulation requirement of stair design, is applicable to the building of multiple floor height, has effectively widened the application scene of dual-race stair. Moreover, the double-race stair has higher structural strength and structural stability, effectively widens the effective evacuation width, reduces the occupancy rate of the stair structure to the shared area, and improves the utilization rate of the shared area.
In an embodiment of the present invention, the scissors-type stair structure is a plurality of, and is layered along the vertical direction. The lower landing 110 of the stair unit 100 of the upper scissors-type stair structure and the upper landing 120 of the stair unit 100 of the lower scissors-type stair structure in the adjacent two layers of scissors-type stair structures share the same plane, so that people can complete the switching of floors through stairs.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "one specific embodiment," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can equally replace or change the technical solution and the inventive concept of the present invention within the scope of the present invention.
Claims (9)
1. A stairway unit, comprising:
a lower landing, an upper landing, a bench and a beam;
the ladder sections are obliquely arranged, the bottom ends of the ladder sections are fixedly connected with the lower-layer stair platform, and the top ends of the ladder sections are fixedly connected with the upper-layer stair platform;
the two ladder beams are respectively fixed on two sides of the ladder section; the upper part of the upper stair platform is fixedly connected with the upper stair platform, and the lower part of the upper stair platform is fixedly connected with the lower stair platform;
the lower floor landing, the upper floor landing, the bench and the ladder beam are integrally formed.
2. The stairway unit as claimed in claim 1 wherein each said ladder beam has a plurality of bend configurations including a left support section, a middle support section and a right support section;
the middle supporting section is obliquely arranged, one end of the middle supporting section is fixedly connected with one end of the left supporting section, and the other end of the middle supporting section is fixedly connected with one end of the right supporting section;
the middle support section is fixed on one side of the ladder section, and the extension directions of two ends of the middle support section are the same as the extension directions of the ladder section;
the left support section is fixed on one side of the lower-layer landing;
the right support section is fixed on one side of the upper-layer stair platform.
3. The stairway unit as claimed in claim 2 wherein the ladder section extends at an angle of 45-60 degrees to the vertical and correspondingly the middle support section extends at an angle of 45-60 degrees to the vertical.
4. The stairway unit as claimed in any one of claims 1 to 3 wherein said lower landing is any one of a landing or a landing;
the upper-layer stair platform is any one of a floor platform or a rest platform.
5. A scissor stair construction comprising the stair unit of any one of claims 1 to 4;
the two stair units are staggered and arranged adjacently; the lower-layer stair platform of one stair unit and the lower-layer stair platform of the other stair unit are positioned on the same plane and are arranged in a staggered mode; the upper-layer stair platform of one stair unit and the upper-layer stair platform of the other stair unit are positioned on the same plane and are arranged in a staggered mode.
6. A scissor stair construction according to claim 5, further comprising a guardrail;
the number of the guardrails is two, and the guardrails are respectively fixed on the adjacent sides of the stair sections of the two stair units.
7. A twin-race staircase with a scissor-type staircase structure, comprising a post and the scissor-type staircase structure of claim 6;
the adjacent sides of the two stair units of the scissor type stair structure are fixed on the upright post.
8. The twin-race stair with a scissors-type stair structure as in claim 7, wherein the number of the posts is two, and the two posts are arranged in parallel with each other;
the upper part of the ladder beam of one stair unit and the lower part of the ladder beam of the other stair unit are fixed on one upright post; the lower part of the ladder beam of one stair unit and the upper part of the ladder beam of the other stair unit are fixed on the other upright post.
9. The twin-race stair with a scissors stair structure of claim 7, wherein the scissors stair structure is plural and layered in a vertical direction;
the upper stair unit of the scissor type stair structure is positioned on the upper layer in the scissor type stair structure, and the lower stair platform of the stair unit of the scissor type stair structure is positioned on the lower layer and the upper stair platform of the stair unit of the scissor type stair structure on the lower layer are positioned on the same plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120752184.2U CN215054707U (en) | 2021-04-13 | 2021-04-13 | Stair unit, scissor type stair structure and double-race stair with scissor type stair structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120752184.2U CN215054707U (en) | 2021-04-13 | 2021-04-13 | Stair unit, scissor type stair structure and double-race stair with scissor type stair structure |
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| CN215054707U true CN215054707U (en) | 2021-12-07 |
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| CN202120752184.2U Active CN215054707U (en) | 2021-04-13 | 2021-04-13 | Stair unit, scissor type stair structure and double-race stair with scissor type stair structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941410A (en) * | 2022-07-26 | 2022-08-26 | 中航天建设工程集团有限公司 | Anti-seismic support type scissor stair with diagonal beam cross supports and outer frame type stair system |
-
2021
- 2021-04-13 CN CN202120752184.2U patent/CN215054707U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941410A (en) * | 2022-07-26 | 2022-08-26 | 中航天建设工程集团有限公司 | Anti-seismic support type scissor stair with diagonal beam cross supports and outer frame type stair system |
| CN114941410B (en) * | 2022-07-26 | 2022-09-30 | 中航天建设工程集团有限公司 | Anti-seismic support type scissor stair with diagonal beam cross supports and outer frame type stair system |
| US11702855B1 (en) | 2022-07-26 | 2023-07-18 | China Aerospace Construction Engineering Group Co. | Anti-seismic braced scissor stairs and frame stairs system |
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