Fabricated prefabricated stair

Abstract

The utility model discloses an assembly type prefabricated stair which comprises a prefabricated stair body, longitudinal reinforcing steel bars and transverse reinforcing steel bars, the longitudinal reinforcing steel bars are arranged in the prefabricated stair body, the transverse reinforcing steel bars are connected in the two sets of longitudinal reinforcing steel bars, supporting legs are connected to the longitudinal reinforcing steel bars, clamping grooves are formed in the prefabricated stair body, and the transverse reinforcing steel bars are connected to the clamping grooves. A clamping groove is formed in the bottom of the prefabricated staircase body, a clamping block is connected into the clamping groove in a clamped mode, an anti-skid plate is connected to the clamping block, an installation block is arranged on the prefabricated staircase body, and a handrail is arranged on the prefabricated staircase body. The insertion blocks at the bottoms of the handrails are sequentially inserted into the insertion holes in the anti-skid plates and the insertion grooves in the prefabricated stair body, the handrails are fixed through cooperation with the safety bolts, the anti-skid plates are fixed through the handrails, installation is convenient, bolt structures are reduced, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated stairs, in particular to an assembled prefabricated staircase. Background Art

[0002] Prefabricated stairs are made in a standardized manner in the factory and then transported to the construction site for hoisting and installation. Prefabricated stairs can be divided into plate stairs and beam-slab stairs according to the structural form. Prefabricated stairs are widely used because they are prefabricated in the factory. There is no need to wait for time, the installation efficiency is high, and it is flexible and maneuverable.

[0003] After searching, Chinese utility model patent CN113530106B discloses a prefabricated assembled staircase, including a staircase body, the staircase body having a plurality of steps, the steps having a horizontal surface and a vertical surface, the horizontal surface being provided with a pedal, the pedal being hingedly connected to the step on one side near the angle between the adjacent steps, and a limiter assembly for limiting the position of the pedal being provided between the pedal and the step. The present application adjusts the angle of the horizontal position of the pedal by providing a pedal with a deflectable angle and a limiter assembly, thereby ensuring that the foothold of people when going up and down the stairs is in a horizontal position, thereby improving people's sense of dynamic balance and improving the safety factor of going up and down the stairs.

[0004] The existing device has the following problems when in use: the prefabricated stairs are usually cast and have no anti-slip effect, and the anti-slip structure on the stairs requires a large number of bolt structures in the subsequent installation, which is time-consuming and labor-intensive, and reduces the installation efficiency of the prefabricated stairs. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled prefabricated staircase to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled prefabricated staircase, comprising a prefabricated staircase body, longitudinal steel bars, and transverse steel bars. The prefabricated staircase body is provided with longitudinal steel bars, two groups of the longitudinal steel bars are connected with transverse steel bars, the longitudinal steel bars are connected with legs, the prefabricated staircase body is provided with a slot, a block is clamped in the slot, an anti-skid plate is connected to the block, the prefabricated staircase body is provided with a mounting block, and the prefabricated staircase body is provided with a handrail.

[0007] By adopting the above technical solution, longitudinal steel bars are arranged in the prefabricated staircase body, and the longitudinal steel bars cooperate with transverse steel bars to improve the bearing capacity and strengthen the strength of the prefabricated staircase body. The block at the bottom of the anti-skid plate is inserted into the slot for pre-fixation, which improves the convenience of installation. The anti-skid plate increases the anti-slip property and avoids danger when using the prefabricated staircase body.

[0008] Preferably, a slot is provided on the prefabricated staircase body, an insert block is connected to the bottom of the handrail, the insert block is inserted into the slot, and a mounting bolt is provided on the prefabricated staircase body, and the mounting bolt is threadedly connected to the insert block.

[0009] By adopting the above technical solution, the plug at the bottom of the handrail is inserted into the socket on the anti-slip plate and the slot in the prefabricated stair body in turn, and the handrail is fixed with the safety bolt. The handrail fixes the anti-slip plate, which is easy to install, reduces the bolt structure, and improves the installation efficiency.

[0010] Preferably, a plug hole is provided on the anti-slip plate, a handrail is inserted into the plug hole, and a rubber pad is arranged in the plug hole.

[0011] By adopting the above technical solution, the rubber pad avoids friction between the handrail and the anti-slip plate, thereby reducing the firmness of the installation.

[0012] Preferably, a mounting block is provided on the prefabricated staircase body.

[0013] By adopting the above technical solution, the legs and mounting blocks on the prefabricated staircase body are connected to the building.

[0014] Preferably, a slot is provided in the longitudinal steel bar, and a transverse steel bar is welded in the slot.

[0015] By adopting the above technical solution, it is convenient to evenly distribute the bearing capacity.

[0016] Preferably, a light trough is provided on the prefabricated staircase body, and an LED light strip is installed in the light trough.

[0017] By adopting the above technical solution, users can clearly observe the height difference between the stairs, which is convenient for night use and improves safety performance.

[0018] Preferably, the anti-slip plate is provided with anti-slip protrusions.

[0019] By adopting the above technical solution, the anti-slip effect is increased.

[0020] Compared with the prior art, the beneficial effects of the utility model are: the card block at the bottom of the anti-slide plate is inserted into the card slot for pre-fixation, the plug block at the bottom of the handrail is inserted into the socket on the anti-slide plate and the slot in the prefabricated stair body in sequence, the handrail is fixed with the safety bolt, the handrail fixes the anti-slide plate, the installation is convenient, the bolt structure is reduced, and the installation efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Fig. 1 is a schematic diagram of the overall structure of the utility model.

[0022] FIG. 2 is a schematic diagram of the cross-sectional structure of the utility model.

[0023] FIG3 is a schematic diagram of the steel bar structure of the present utility model.

[0024] FIG4 is a schematic diagram of the structure of the anti-skid plate of the utility model.

[0025] In the figure: 1. Prefabricated staircase body; 2. Handrail; 3. Longitudinal steel bar; 4. Leg; 5. Light trough; 6. Anti-skid plate; 7. Slot; 8. Slot; 9. Insert block; 10. Mounting bolt; 11. Transverse steel bar; 12. Insert block; 13. Socket; 14. Mounting block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a technical solution: an assembled prefabricated staircase, comprising a prefabricated staircase body 1, longitudinal steel bars 3, and transverse steel bars 11, please refer to Figures 1, 2, and 3, the prefabricated staircase body 1 is provided with longitudinal steel bars 3, two groups of the longitudinal steel bars 3 are connected with transverse steel bars 11, the longitudinal steel bars 3 are connected with legs 4, the prefabricated staircase body 1 is provided with mounting blocks 14, slots are provided in the longitudinal steel bars 3, transverse steel bars 11 are welded in the slots, the legs 4 and the mounting blocks 14 on the prefabricated staircase body 1 are connected to the building, the prefabricated staircase body 1 is provided with longitudinal steel bars 3 and the longitudinal steel bars 3 cooperate with the transverse steel bars 11 to improve the bearing capacity and strengthen the strength of the prefabricated staircase body 1, the prefabricated staircase body 1 is provided with a light trough 5, an LED light strip is installed in the light trough 5, and the LED light strip is installed in the light trough 5, so that the user can clearly observe the height difference between the stairs, thereby increasing the safety of the stairs.

[0028] Please refer to Figures 1, 2 and 4. A card slot 7 is provided on the prefabricated staircase body 1. A card block 12 is connected in the card slot 7. The card block 12 at the bottom of the anti-slip plate 6 is inserted into the card slot 7 for pre-fixation. The anti-slip plate 6 is connected to the card block 12. A mounting block 14 is provided on the prefabricated staircase body 1. A handrail 2 is provided on the prefabricated staircase body 1. A slot 8 is provided on the prefabricated staircase body 1. An insert block 9 is connected to the bottom of the handrail 2. The insert block 9 is inserted into the slot 8. A mounting bolt 10 is provided on the prefabricated staircase body 1. The mounting bolt 10 is threadedly connected to the plug block 9, and a plug hole 13 is provided on the anti-skid plate 6. The handrail 2 is inserted into the plug hole 13. A rubber pad is provided in the plug hole 13. The anti-skid plate 6 is provided with an anti-skid protrusion. The plug block 9 at the bottom of the handrail 2 is inserted into the plug hole 13 on the anti-skid plate 6 and the slot 8 in the prefabricated stair body 1 in turn, and the handrail 2 is fixed with the mounting bolt 10. The handrail 2 fixes the anti-skid plate 6, which is easy to install, reduces the bolt structure, and improves the installation efficiency. The anti-skid plate 6 increases the anti-skid property, avoiding danger when using the prefabricated stair body 1.

[0029] Working principle: The legs 4 and mounting blocks 14 on the prefabricated staircase body 1 are connected to the building. The prefabricated staircase body 1 is provided with longitudinal steel bars 3 and the longitudinal steel bars 3 cooperate with the transverse steel bars 11 to improve the bearing capacity and strengthen the strength of the prefabricated staircase body 1. The card block 12 at the bottom of the anti-slip plate 6 is inserted into the card slot 7 for pre-fixation. The plug block 9 at the bottom of the handrail 2 is inserted into the socket 13 on the anti-slip plate 6 and the slot 8 in the prefabricated staircase body 1 in turn, and the handrail 2 is fixed with the mounting bolts 10. The handrail 2 fixes the anti-slip plate 6. The anti-slip plate 6 increases the anti-slip property to avoid danger when using the prefabricated staircase body 1. The LED light strip is installed in the light trough 5, so that the user can clearly observe the height difference between the stairs, which is convenient for use at night and improves safety performance.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembled prefabricated staircase, comprising a prefabricated staircase body (1), longitudinal steel bars (3), and transverse steel bars (11), characterized in that: The prefabricated staircase body (1) is provided with longitudinal steel bars (3), two groups of the longitudinal steel bars (3) are connected with transverse steel bars (11), the longitudinal steel bars (3) are connected with supporting legs (4), the prefabricated staircase body (1) is provided with a clamping groove (7), a clamping block (12) is clamped in the clamping groove (7), an anti-slip plate (6) is connected to the clamping block (12), a mounting block (14) is provided on the prefabricated staircase body (1), and a handrail (2) is provided on the prefabricated staircase body (1).

2. The prefabricated staircase according to claim 1, characterized in that: The prefabricated staircase body (1) is provided with a slot (8), the bottom of the handrail (2) is connected with an insert block (9), the insert block (9) is inserted into the slot (8), and the prefabricated staircase body (1) is provided with a mounting bolt (10), and the mounting bolt (10) is threadedly connected to the insert block (9).

3. The prefabricated staircase according to claim 1, characterized in that: The anti-slip plate (6) is provided with a plug hole (13), the handrail (2) is plugged into the plug hole (13), and a rubber pad is arranged in the plug hole (13).

4. The prefabricated staircase according to claim 1, characterized in that: A slot is provided in the longitudinal steel bar (3), and a transverse steel bar (11) is welded in the slot.

5. The prefabricated staircase according to claim 1, characterized in that: The prefabricated staircase body (1) is provided with a light trough (5), and an LED light strip is installed in the light trough (5).

6. The prefabricated staircase according to claim 1, characterized in that: The anti-slip plate (6) is provided with anti-slip protrusions.

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