CN211817520U - Prefabricated staircase - Google Patents
Prefabricated staircase Download PDFInfo
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- CN211817520U CN211817520U CN202020129805.7U CN202020129805U CN211817520U CN 211817520 U CN211817520 U CN 211817520U CN 202020129805 U CN202020129805 U CN 202020129805U CN 211817520 U CN211817520 U CN 211817520U
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Abstract
The utility model discloses a prefabricated staircase, including the stair body, the equidistant step that is equipped with in surface of stair body, the top of stair body is equipped with the overlap joint piece, it is equipped with the overlap joint platform to go up the overlap joint piece outside, the mounting groove has been seted up at the top of going up the overlap joint piece, the fixed slot has been seted up to the bottom of mounting groove, the mid-mounting of fixed slot has the fixed plate, the both sides of fixed plate all are equipped with the movable plate, spacing hole has been seted up on the surface of movable plate, two the inside in spacing hole all nests there is the gag lever post, one side bottom that is close to the fixed plate of movable plate is equipped. The utility model discloses an insert the rectangular channel with the rectangular block in, the dead lever inserts the cylinder inslot for go up the overlap joint piece and link together with last overlap joint platform, can link together overlap joint piece and lower overlap joint platform down with the same reason, the installation is swift simple, has saved a large amount of time, has reduced intensity of labour.
Description
Technical Field
The utility model relates to a stair field, concretely relates to prefabricated stair.
Background
The traditional stair construction generally comprises the steps of erecting a template on site, binding reinforcing steel bars, pouring concrete, continuously watering and maintaining for 14 days, manually chiseling and roughening the surface of a stair, and then pasting ceramic tiles. The whole process is labor-consuming and laborious, the noise of sewage and dust is serious, and much garbage is generated. The concept of prefabricated stairways has been proposed in recent years: the stair is prefabricated and formed by the tooth plates and the formwork in a factory, and is directly installed on a construction site without erecting a formwork or watering maintenance, so that water resources and maintenance time are saved, and the construction period is greatly shortened.
At present, the prefabricated staircase is fixed with the installation of the upper lap joint platform and the lower lap joint platform through the embedded bolts and the embedded nuts, the construction is complex, the labor intensity is high, and the prefabricated staircase is difficult to disassemble after being installed.
Therefore, it is necessary to invent a prefabricated staircase to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated staircase, through being equipped with standing groove, rectangular channel and cylinder groove on the last overlap joint platform, be equipped with rectangular block, movable plate, fixed block and dead lever on last overlap joint piece, through pulling the movable plate, the movable plate removes and drives the dead lever shrink in the through-hole, insert the rectangular block in the rectangular channel, promote the movable plate again, the movable plate promotes the dead lever to remove, make the dead lever insert in the cylinder groove, and then fix through the fixing bolt, avoid the movable plate to remove, make the stable insertion cylinder inslot of dead lever, make the last overlap joint piece link together with last overlap joint platform, can link together lower overlap joint piece and lower overlap joint platform with the same reason, the installation is swift simple, save a large amount of time, reduce intensity of labour, be convenient for dismantle the staircase body from last overlap joint platform and lower overlap joint platform simultaneously, make the staircase body can retrieve reuse, the practicability is improved, and the defects in the technology are overcome.
In order to achieve the above object, the present invention provides the following technical solutions: a prefabricated staircase comprises a staircase body, steps are arranged on the surface of the staircase body at equal intervals, an upper lapping block is arranged at the top of the staircase body, an upper lapping platform is arranged on the outer side of the upper lapping block, a lower lapping block is arranged at the bottom of the staircase body, a lower lapping platform is arranged on the outer side of the lower lapping block, a placing groove is formed in the upper lapping platform, a rectangular groove is formed in the inner wall of one side of the placing groove, cylindrical grooves are formed in two opposite sides of the placing groove at equal intervals, a mounting groove is formed in the top of the upper lapping block, a fixing groove is formed in the bottom of the mounting groove, through holes are formed in the front side and the rear side of the fixing groove at equal intervals, a fixing plate is installed in the middle of the fixing groove, the fixing plate and the fixing groove are fixedly connected through bolts, moving plates are arranged on, the quantity of spacing hole is equipped with two, two spacing hole symmetric distribution is on the surface of movable plate, two the inside of spacing hole is all nested there is the gag lever post, one side bottom that is close to the fixed plate of movable plate is equipped with the fixed block, one side equidistant welding that the fixed plate was kept away from to the movable plate has the dead lever, the one end that the movable plate was kept away from to the dead lever runs through the through-hole, and the dead lever one end of keeping away from the movable plate inserts the cylinder inslot, set up to sliding connection between dead lever and the through-hole, the outside of going up the overlap joint piece is equipped with the rectangular block, the.
Preferably, the lower lapping block and the upper lapping block have the same size and structure, the lower lapping platform and the upper lapping platform have the same size and structure, and the lower lapping block and the lower lapping platform are connected in the same way as the upper lapping block and the upper lapping platform.
Preferably, go up overlap joint piece and standing groove phase-match, cylinder groove and dead lever phase-match, rectangle piece and rectangle groove phase-match.
Preferably, sliding connection is arranged between the limiting rod and the limiting hole, one end of the limiting rod is fixedly connected with the inner wall of the fixing groove, and the other end of the limiting rod is fixedly connected with the fixing plate.
Preferably, the fixed block is fixedly connected with the movable plate, the fixed blocks are multiple in number, threaded holes are formed in the surfaces of the fixed blocks, and fixing bolts are embedded in the threaded holes through threads.
Preferably, the rectangular block and the upper lap joint block are integrally processed.
Preferably, the mounting groove is internally fixed with a mounting plate through a bolt, and the upper side surface of the mounting plate is flush with the top surface of the upper lap joint block.
Preferably, handrail preset holes are formed in two ends of the top of the step, and anti-skidding convex strips are arranged at the top of the step.
In the technical scheme, the utility model provides a technological effect and advantage:
by arranging the placing groove, the rectangular groove and the cylindrical groove on the upper lapping platform, the rectangular block, the moving plate, the fixed block and the fixed rod are arranged on the upper lapping block, by pulling the movable plate, the movable plate moves to drive the fixed rod to contract in the through hole, the rectangular block is inserted into the rectangular groove, then the movable plate is pushed, the movable plate pushes the fixed rod to move, so that the fixed rod is inserted into the cylindrical groove and then fixed by the fixed bolt to avoid the moving plate moving, the fixing rod is stably inserted into the cylindrical groove, the upper lapping block is connected with the upper lapping platform, and the lower lapping block is connected with the lower lapping platform in the same way, so the installation is quick and simple, a large amount of time is saved, the labor intensity is reduced, meanwhile, the stair body is convenient to detach from the upper lap joint platform and the lower lap joint platform, so that the stair body can be recycled, and the practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the stair body of the present invention;
FIG. 3 is a schematic view of the upper lap joint block of the present invention;
FIG. 4 is a cross-sectional view of the upper overlapping block of the present invention;
fig. 5 is a cross-sectional view of the upper lapping platform of the present invention.
Description of reference numerals:
1 stair body, 2 steps, 3 go up the overlap joint piece, 4 go up the overlap joint platform, 5 overlap joint pieces down, 6 overlap joint platforms down, 7 standing grooves, 8 rectangular channels, 9 cylinder grooves, 10 mounting grooves, 11 fixed slots, 12 through-holes, 13 fixed plates, 14 movable plates, 15 spacing holes, 16 gag lever posts, 17 fixed blocks, 18 dead levers, 19 rectangular blocks, 20 mounting panels, 21 handrail preset hole, 22 anti-skidding sand grip.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a prefabricated staircase as shown in figures 1-5, which comprises a staircase body 1, steps 2 are arranged on the surface of the staircase body 1 at equal intervals, an upper lapping block 3 is arranged on the top of the staircase body 1, an upper lapping platform 4 is arranged on the outer side of the upper lapping block 3, a lower lapping block 5 is arranged on the bottom of the staircase body 1, a lower lapping platform 6 is arranged on the outer side of the lower lapping block 5, a placing groove 7 is arranged on the upper lapping platform 4, a rectangular groove 8 is arranged on the inner wall of one side of the placing groove 7, cylindrical grooves 9 are arranged at equal intervals on two opposite sides of the placing groove 7, a mounting groove 10 is arranged on the top of the upper lapping block 3, a fixing groove 11 is arranged on the bottom of the mounting groove 10, through holes 12 are arranged at equal intervals on the front side and the rear side of the fixing groove 11, a fixing plate 13 is, the fixed plate 13 is fixedly connected with the fixed groove 11 through bolts, the two sides of the fixed plate 13 are provided with moving plates 14, the surface of the moving plate 14 is provided with two limiting holes 15, the two limiting holes 15 are symmetrically distributed on the surface of the moving plate 14, limiting rods 16 are nested inside the two limiting holes 15, a fixed block 17 is arranged at the bottom of one side of the moving plate 14 close to the fixed plate 13, fixed rods 18 are welded at equal intervals at one side of the moving plate 14 far from the fixed plate 13, one end of each fixed rod 18 far from the moving plate 14 penetrates through the through hole 12, and one end of the fixed rod 18 far away from the moving plate 14 is inserted into the cylindrical groove 9, the fixed rod 18 is in sliding connection with the through hole 12, the outer side of the upper lapping block 3 is provided with a rectangular block 19, and the rectangular block 19 is nested in the rectangular groove 8;
further, in the above technical solution, the lower lap joint block 5 and the upper lap joint block 3 have the same size and structure, the lower lap joint platform 6 and the upper lap joint platform 4 have the same size and structure, and the connection mode between the lower lap joint block 5 and the lower lap joint platform 6 is the same as the connection mode between the upper lap joint block 3 and the upper lap joint platform 4, so that the connection is quick and simple, and the installation is convenient;
further, in the above technical solution, the upper overlapping block 3 is matched with the placing groove 7, the cylindrical groove 9 is matched with the fixing rod 18, and the rectangular block 19 is matched with the rectangular groove 8;
further, in the above technical solution, a sliding connection is provided between the limiting rod 16 and the limiting hole 15, one end of the limiting rod 16 is fixedly connected with the inner wall of the fixing groove 11, the other end of the limiting rod 16 is fixedly connected with the fixing plate 13, and the limiting rod 16 limits the moving plate 14, so that the moving plate 14 moves stably;
further, in the above technical solution, the fixed blocks 17 are fixedly connected to the moving plate 14, a plurality of fixed blocks 17 are provided, threaded holes are formed in the surfaces of the plurality of fixed blocks 17, fixing bolts are nested in the threaded holes through threads, the moving plate 14 moves to push the fixed rods 18 by pushing the moving plate 14, so that the fixed rods 18 are inserted into the cylindrical grooves 9, and then the fixed rods are fixed by the fixing bolts to prevent the moving plate 14 from moving, so that the fixed rods 18 are stably inserted into the cylindrical grooves 9;
further, in the above technical solution, the rectangular block 19 and the upper overlapping block 3 are integrally processed, so that the connection strength between the rectangular block 19 and the upper overlapping block 3 is improved;
further, in the above technical solution, an installation plate 20 is fixed inside the installation groove 10 through a bolt, an upper side surface of the installation plate 20 is flush with a top surface of the upper lap joint block 3, the installation groove 10 is sealed by the installation plate 20, and parts in the installation groove 10 are protected;
further, in the above technical solution, handrail preset holes 21 are formed at both ends of the top of the step 2, anti-slip convex strips 22 are arranged at the top of the step 2, the handrail is conveniently installed through the handrail preset holes 21, and the anti-slip convex strips 22 prevent slipping and improve safety;
the implementation mode is specifically as follows: pulling the movable plate 14 towards the direction of the fixed plate 13, the movable plate 14 moves to drive the fixed rod 18 to contract in the through hole 18, inserting the rectangular block 19 into the rectangular groove 8, placing the upper lapping block 3 into the placing groove 7, then pushing the movable plate 14, the movable plate 14 moves to push the fixed rod 18 to move, so that the fixed rod 18 is inserted into the cylindrical groove 9, then fixing through the fixed bolt, avoiding the movable plate 14 from moving, so that the fixed rod 18 is stably inserted into the cylindrical groove 9, inserted into the rectangular groove 8 through the rectangular block 19 and inserted into the cylindrical groove 9 through the fixed rod 18, so that the upper lapping block 3 is connected with the upper lapping platform 4, fixing the mounting plate 20 into the mounting groove 10 through the bolt, sealing the mounting groove 10 through the mounting plate 20, protecting the parts in the mounting groove 10, because the lower lapping block 5 and the upper lapping block 3 are identical in size structure, and the lower lapping platform 6 and the upper lapping platform 4 are identical in size, the connection mode between the lower lapping block 5 and the lower lapping platform 6 is the same as the connection mode between the upper lapping block 3 and the upper lapping platform 4, the lower lapping block 5 and the lower lapping platform 6 can be connected together in the same way, the installation is fast and simple, a large amount of time is saved, the labor intensity is reduced, meanwhile, the stair body 1 can be conveniently detached from the upper lapping platform 4 and the lower lapping platform 6, so that the stair body 1 can be recycled, the practicability is improved, the handrail preset holes 21 are respectively arranged at the two ends of the top of the step 2, the handrail is convenient to install through the handrail presetting holes 21, the top of the step 2 is provided with the anti-slip convex strip 22, the anti-slip convex strip 22 avoids slipping, the safety is improved, this embodiment is complicated when specifically having solved the installation that exists among the prior art, and intensity of labour is big for dismantle the difficult problem after the prefabricated staircase installation.
This practical theory of operation:
referring to the attached drawings 1-5 in the specification, the moving plate 14 is pulled towards the direction of the fixed plate 13, the moving plate 14 moves to drive the fixed rod 18 to contract in the through hole 18, the rectangular block 19 is inserted into the rectangular groove 8, the upper lap joint block 3 is placed in the placing groove 7, the moving plate 14 is pushed again, the moving plate 14 moves to push the fixed rod 18 to move, the fixed rod 18 is inserted into the cylindrical groove 9 and then fixed through the fixing bolt, the moving plate 14 is prevented from moving, the fixed rod 18 is stably inserted into the cylindrical groove 9, the upper lap joint block 3 is connected with the upper lap joint platform 4, the mounting plate 20 is fixed in the mounting groove 10 through the bolt, the mounting groove 10 is sealed through the mounting plate 20, and the lower lap joint block 5 and the lower lap joint platform 6 can be.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a prefabricated staircase, includes staircase body (1), its characterized in that: the stair comprises a stair body (1), steps (2) are arranged on the surface of the stair body (1) at equal intervals, an upper lapping block (3) is arranged on the top of the stair body (1), an upper lapping platform (4) is arranged on the outer side of the upper lapping block (3), a lower lapping block (5) is arranged at the bottom of the stair body (1), a lower lapping platform (6) is arranged on the outer side of the lower lapping block (5), a placing groove (7) is formed in the upper lapping platform (4), a rectangular groove (8) is formed in the inner wall of one side of the placing groove (7), cylindrical grooves (9) are formed in two opposite sides of the placing groove (7) at equal intervals, a mounting groove (10) is formed in the top of the upper lapping block (3), a fixing groove (11) is formed in the bottom of the mounting groove (10), through holes (12) are formed in the front side and the rear side of the fixing groove (11) at equal intervals, the fixing plate is characterized in that the fixing plate (13) is fixedly connected with the fixing groove (11) through bolts, the two sides of the fixing plate (13) are respectively provided with a moving plate (14), the surface of the moving plate (14) is provided with two limiting holes (15), the two limiting holes (15) are symmetrically distributed on the surface of the moving plate (14), two limiting rods (16) are nested in the limiting holes (15), the bottom of one side, close to the fixing plate (13), of the moving plate (14) is provided with a fixing block (17), fixing rods (18) are welded on one side, far away from the fixing plate (13), of the moving plate (14) at equal intervals, one end, far away from the moving plate (14), of each fixing rod (18) penetrates through the through hole (12), one end, far away from the moving plate (14), of each fixing rod (18) is inserted into the cylindrical groove (9), and the fixing rods (18) are slidably connected with the through, the outer side of the upper lapping block (3) is provided with a rectangular block (19), and the rectangular block (19) is nested in the rectangular groove (8).
2. A prefabricated staircase according to claim 1, characterized in that: the structure of the lower lap joint block (5) is the same as that of the upper lap joint block (3), the structure of the lower lap joint platform (6) is the same as that of the upper lap joint platform (4), and the connection mode between the lower lap joint block (5) and the lower lap joint platform (6) is the same as that between the upper lap joint block (3) and the upper lap joint platform (4).
3. A prefabricated staircase according to claim 1, characterized in that: the upper lapping block (3) is matched with the placing groove (7), the cylindrical groove (9) is matched with the fixing rod (18), and the rectangular block (19) is matched with the rectangular groove (8).
4. A prefabricated staircase according to claim 1, characterized in that: set up to sliding connection between gag lever post (16) and spacing hole (15), the inner wall fixed connection of the one end and fixed slot (11) of gag lever post (16), fixed connection between the other end and fixed plate (13) of gag lever post (16).
5. A prefabricated staircase according to claim 1, characterized in that: fixed connection between fixed block (17) and movable plate (14), the quantity of fixed block (17) is equipped with a plurality ofly, and is a plurality of the screw hole has all been seted up on the surface of fixed block (17), threaded hole has fixing bolt through thread nest.
6. A prefabricated staircase according to claim 1, characterized in that: the rectangular block (19) and the upper lapping block (3) are integrally arranged through processing.
7. A prefabricated staircase according to claim 1, characterized in that: the inside of mounting groove (10) is fixed with mounting panel (20) through the bolt, the upside surface of mounting panel (20) is parallel and level with the top surface of last overlap joint piece (3).
8. A prefabricated staircase according to claim 1, characterized in that: the handrail is seted up at the top both ends of step (2) and is predetermine hole (21), the top of step (2) is equipped with anti-skidding sand grip (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129805.7U CN211817520U (en) | 2020-01-20 | 2020-01-20 | Prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129805.7U CN211817520U (en) | 2020-01-20 | 2020-01-20 | Prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211817520U true CN211817520U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129805.7U Active CN211817520U (en) | 2020-01-20 | 2020-01-20 | Prefabricated staircase |
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| CN (1) | CN211817520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962885A (en) * | 2021-02-24 | 2021-06-15 | 重庆拓达建设（集团）有限公司 | Assembled stair system |
-
2020
- 2020-01-20 CN CN202020129805.7U patent/CN211817520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962885A (en) * | 2021-02-24 | 2021-06-15 | 重庆拓达建设（集团）有限公司 | Assembled stair system |
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