CN214696527U - Assembled prefabricated reinforced concrete slab stair - Google Patents
Assembled prefabricated reinforced concrete slab stair Download PDFInfo
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- CN214696527U CN214696527U CN202120508271.3U CN202120508271U CN214696527U CN 214696527 U CN214696527 U CN 214696527U CN 202120508271 U CN202120508271 U CN 202120508271U CN 214696527 U CN214696527 U CN 214696527U
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- stair
- railing
- support column
- central support
- stair tread
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Abstract
The utility model provides an assembled prefabricated reinforced concrete slab stair, including bottom fixed plate, stair main part, upper portion fixed plate and province ground mechanism, the bottom fixed plate is installed to stair main part lower extreme, stair main part upper end is equipped with the upper portion fixed plate, be provided with province ground mechanism around the stair main part, province ground mechanism includes stair tread, antislip strip, railing built-in fitting, railing, handrail and central support column, bottom fixed plate center is equipped with central support column, install stair tread around the central support column, stair tread upper surface is installed with antislip strip, stair tread outward flange department is provided with the railing built-in fitting, railing built-in fitting installs the railing, railing upper portion installs the handrail, this design can save stair area, solved the problem that the space is wasted greatly to original assembled prefabricated reinforced concrete slab stair area, the utility model discloses rational in infrastructure, is convenient for saving space and improving the quality of the stairs.
Description
Technical Field
The utility model relates to an assembled prefabricated reinforced concrete slab stair belongs to assembled building element technical field.
Background
The reinforced concrete plate type stair is one of the structural construction forms of cast-in-place integral stairs. The stair is an important construction for vertical traffic between floors in the building, the stair in the traditional building mostly adopts a cast-in-place concrete stair on a construction site, a formwork is required to be erected and a reinforcing steel bar is laid during construction, then concrete is poured, the construction form of the cast-in-place stair has complex construction procedures and higher requirements on the quality of workers, once the workers are unqualified in operation, the poured stair cannot meet the acceptance requirements, the poured stair occupies a larger space, and an assembled prefabricated reinforced concrete slab stair is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an assembled prefabricated reinforced concrete slab stair to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure is convenient for save space and is improved stair quality.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an assembled prefabricated reinforced concrete slab stair, includes bottom fixed plate, stair main part, upper portion fixed plate and province ground mechanism, the bottom fixed plate is installed to stair main part lower extreme, stair main part upper end is equipped with the upper portion fixed plate, be provided with province ground mechanism around the stair main part, province ground mechanism includes stair tread, antislip strip, railing built-in fitting, railing, handrail, pre-buried muscle and central support column, bottom fixed plate center is equipped with central support column, install stair tread around the central support column, surface mounting has the antislip strip on the stair tread, stair tread outward flange department is provided with the railing built-in fitting, the railing is installed to the railing built-in fitting, the handrail is installed on railing upper portion, the inside pre-buried muscle that is provided with of stair tread.
Further, the end of the stair tread is provided with a mounting hole, the mounting hole is provided with a pin shaft, and the stair tread is connected with the central support column through the mounting hole.
Furthermore, the stair tread is fixed with the central support column through a pin shaft, and the railing is connected with the stair tread through a railing embedded part.
Furthermore, the handrail is connected with the stair tread through the handrail, and a support column embedded part is arranged at the center of the bottom fixing plate.
Furthermore, the central support column is connected with the bottom fixing plate through the central support column, and the surface of the stair tread is provided with a mounting groove.
Furthermore, the anti-slip strip is connected with the stair tread through the mounting groove, and anti-slip lines are arranged on the surface of the stair tread.
Furthermore, the upper fixing plate is connected with an upper step plate, and the central support column is connected with the upper fixing plate through the upper step plate.
The utility model has the advantages that: the utility model discloses an assembled prefabricated reinforced concrete slab stair, because of the utility model discloses added stair tread, antislip strip, railing built-in fitting, railing, handrail, pre-buried muscle and central support column, stair area can be saved in this design, has solved the problem in the big extravagant space of original assembled prefabricated reinforced concrete slab stair area, has reduced the utility model discloses an area.
Because the end of the stair tread is provided with the installation hole which is provided with the pin shaft, the stair tread is connected with the central support column through the installation hole, the stair tread is fixed with the central support column through the pin shaft, the railing is connected with the stair tread through the railing embedded part, the design is convenient for installing the stair tread, the handrail is connected with the stair tread through the handrail, the center of the bottom fixing plate is provided with the support column embedded part, the center support column is connected with the bottom fixing plate through the center support column, the surface of the stair tread is provided with the installation groove, the anti-slip strip is connected with the stair tread through the installation groove, the surface of the stair tread is provided with the anti-slip patterns, the upper fixing plate is connected with the upper step plate, the center support column is connected with the upper fixing plate through the upper step plate, this design can increase the security of stair, the utility model discloses rational in infrastructure, be convenient for save space and improve the stair quality.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the prefabricated reinforced concrete slab type staircase of the present invention;
FIG. 2 is a top sectional view of the stair tread of the prefabricated reinforced concrete slab stair of the present invention;
fig. 3 is a front view of the prefabricated reinforced concrete slab type staircase of the present invention;
in the figure: 1-bottom fixing plate, 2-stair body, 3-upper fixing plate, 4-province mechanism, 41-stair tread, 411-installation hole, 412-pin shaft, 413-anti-skid thread, 42-anti-skid strip, 43-railing embedded part, 44-railing, 45-handrail, 46-embedded rib, 47-central support column and 48-upper tread plate.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an assembled prefabricated reinforced concrete slab stair, includes bottom fixed plate 1, stair main part 2, upper portion fixed plate 3 and economize on earth mechanism 4, and bottom fixed plate 1 is installed to 2 lower extremes of stair main part, and 2 upper ends of stair main part are equipped with upper portion fixed plate 3, are provided with economize on earth mechanism 4 around the stair main part 2.
Province's ground mechanism 4 includes stair tread 41, antislip strip 42, railing built-in fitting 43, railing 44, handrail 45, pre-buried muscle 46 and central support post 47, bottom fixed plate 1 center is equipped with central support post 47, install stair tread 41 around the central support post 47, surface mounting has antislip strip 42 on the stair tread 41, stair tread 41 outward flange department is provided with railing built-in fitting 43, railing 44 is installed to railing built-in fitting 43, railing 45 is installed on railing 44 upper portion, stair tread 41 is inside to be provided with pre-buried muscle 46.
The end of the stair tread 41 is provided with a mounting hole 411, the mounting hole 411 is provided with a pin shaft 412, the stair tread 41 is connected with the central support column 47 through the mounting hole 411, the stair tread 41 is fixed with the central support column 47 through the pin shaft 412, the railing 44 is connected with the stair tread 41 through the railing embedded part 43, and the design is convenient for mounting the stair tread 41.
As an embodiment of the present invention: during installation, the bottom fixing plate 1 is firstly installed on a first floor base plate, the upper fixing plate 3 is installed on a second floor base plate, the central support column 47 is installed on the bottom fixing plate 1 through a central support column 47 embedded part embedded in the middle of the bottom fixing plate 1, then the stair treads 41 are sequentially installed on the central support column 47 through the installation holes 411 and the fixing pin shafts 412, the stair treads 41 on the uppermost layer are connected with the upper fixing plate 3 through the upper step plate 48, finally, the handrails 44 are installed on the stair treads 41 through the handrail embedded parts 43, the handrails 45 are installed on the stair treads 41 through the handrails 44, the anti-skid lines 413 on the stair surface can increase friction force during use, and the anti-skid strips 42 can be prevented from slipping.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an assembled prefabricated reinforced concrete slab stair, includes bottom fixed plate, stair main part, upper portion fixed plate and province ground mechanism, its characterized in that: the lower end of the stair main body is provided with a bottom fixing plate, the upper end of the stair main body is provided with an upper fixing plate, and a ground saving mechanism is arranged around the stair main body;
economize ground mechanism and include stair tread, antislip strip, railing built-in fitting, railing, handrail, pre-buried muscle and central support column, bottom fixed plate center is equipped with central support column, install stair tread around the central support column, surface mounting has the antislip strip on the stair tread, stair tread outward flange department is provided with the railing built-in fitting, the railing is installed to the railing built-in fitting, the handrail is installed on railing upper portion, the inside pre-buried muscle that is provided with of stair tread.
2. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the stair tread end has seted up the installation hole, the installation hole is provided with the round pin axle, the stair tread is connected with central support column through the installation hole.
3. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the stair tread is fixed with the central support column through a pin shaft, and the railing is connected with the stair tread through a railing embedded part.
4. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the handrail is connected with the stair tread through the handrail, and a support column embedded part is arranged at the center of the bottom fixing plate.
5. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the central support column is connected with the bottom fixing plate through the central support column, and the surface of the stair tread is provided with a mounting groove.
6. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the anti-slip strip is connected with the stair tread through the mounting groove, and anti-slip lines are arranged on the surface of the stair tread.
7. The fabricated prefabricated reinforced concrete slab stair of claim 1, wherein: the upper fixing plate is connected with an upper step plate, and the central support column is connected with the upper fixing plate through the upper step plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508271.3U CN214696527U (en) | 2021-03-10 | 2021-03-10 | Assembled prefabricated reinforced concrete slab stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120508271.3U CN214696527U (en) | 2021-03-10 | 2021-03-10 | Assembled prefabricated reinforced concrete slab stair |
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| Publication Number | Publication Date |
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| CN214696527U true CN214696527U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120508271.3U Active CN214696527U (en) | 2021-03-10 | 2021-03-10 | Assembled prefabricated reinforced concrete slab stair |
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| CN (1) | CN214696527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341721A (en) * | 2022-09-23 | 2022-11-15 | 宝业集团股份有限公司 | Prefabricated spiral stair and installation method thereof |
-
2021
- 2021-03-10 CN CN202120508271.3U patent/CN214696527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341721A (en) * | 2022-09-23 | 2022-11-15 | 宝业集团股份有限公司 | Prefabricated spiral stair and installation method thereof |
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