Fabricated building stair

Abstract

The utility model relates to the technical field of building stairs, and provides an assembly type building stair which comprises a base and a top plate, a supporting plate is fixed at the top end of the base, a storage structure is arranged in the base, one end of the storage structure extends to the outside of the base, and the other end of the storage structure is connected with the top plate. First hinge seats are uniformly mounted on one side, extending to the base, of the top end of the storage structure, and supporting rods are uniformly mounted at the top ends of the first hinge seats. By arranging the fixing structure, the fixing rod is moved to the side, away from the supporting rod, of the step plate, the fixing rod is rotated to drive the threaded column to move into the threaded groove, so that the top end of the fixing rod is fixedly connected with the bottom end of the step plate, and the fixing rod is moved to the clamping block to the interior of the step plate; and the clamping blocks are clamped with the step plates through the clamping grooves, so that the bottom ends of the fixing rods are fixedly connected with the top ends of the step plates, the function that the device is convenient to disassemble and assemble is achieved, and therefore the convenience of the fabricated building stair in working and using is improved.

Description

Technical Field

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

[0002] Stairs are an important part of a building. They not only connect various floors, but also ensure people's access and safety. There are many types of stairs, and prefabricated building stairs are an important part of them.

[0003] To this end, the patent with publication number CN217480660U discloses an assembled building staircase structure, which includes a staircase body, two treads arranged at both ends of the staircase body, and a connecting device connected to the two treads. The treads and the ladder beam are provided with a connecting device, the connecting device includes a connecting block rotatably connected to the treads and a connecting rod fixedly connected to the ladder beam. The connecting block is provided with a vertically penetrating connecting hole, the connecting hole is a long strip, and the connecting rod passes through the connecting hole. This application has the effect of solving the problem that the size of the prefabricated staircase deviates from the actual size on site and cannot be installed;

[0004] The overall volume of the prefabricated building staircase structure mentioned above is large, and it is inconvenient for workers to disassemble and assemble the stairs during use. At the same time, the construction difficulty is high, the construction speed is slow, and it takes a long time, which will affect the quality and efficiency of its construction, and the construction labor cost is high. Utility Model Content

[0005] The utility model aims to provide an assembled building staircase to solve the defect that the existing building staircases are inconvenient to disassemble and assemble.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an assembled building staircase, comprising a base and a top plate;

[0007] A support plate is fixed at the top of the base, a storage structure is arranged inside the base, one end of the storage structure extends to the outside of the base, a first hinge seat is evenly installed on one side of the base extending from the top of the storage structure, and a support rod is evenly installed on the top of the first hinge seat;

[0008] A step plate is evenly installed on one side of the support rod, and a fixing structure is evenly installed on the side of the bottom end of the step plate away from the base, the fixing structure includes a threaded groove, a threaded column, a fixing rod, a clamping block and a clamping groove, the fixing rod is evenly arranged on the side of the bottom end of the step plate away from the base, the inside of the step plate at the top end of the fixing rod is provided with a threaded groove, the inside of the step plate at the bottom end of the fixing rod is provided with a clamping groove, and a railing is fixed on the top end of the support rod;

[0009] A handrail is fixed to the top of the railing, a second hinged seat is installed at one end of the support rod away from the first hinged seat, and a top plate is fixed to the top of the second hinged seat.

[0010] Preferably, the storage structure includes a storage groove, a limit block, a movable plate and a pulley, the storage groove is arranged inside the base, the limit block is arranged inside the storage groove, a movable plate is fixed on one side of the limit block, one side of the movable plate extends to the outside of the base, and pulleys are evenly installed on the side of the bottom end of the movable plate away from the base.

[0011] Preferably, the side view cross-sectional area of ​​the limit block is larger than the side view cross-sectional area of ​​the movable plate, and the limit block and the base form a sliding structure through the receiving groove.

[0012] Preferably, a threaded column is provided inside the threaded groove, and a clamping block is provided inside the clamping groove.

[0013] Preferably, the bottom end of the threaded column is fixedly connected to the top end of the fixing rod, and the top end of the clamping block is fixedly connected to the bottom end of the fixing rod.

[0014] Preferably, the threaded column and the threaded groove are designed to be threadedly connected, and the clamping block and the step plate form a clamping structure through the clamping groove.

[0015] Preferably, the railings are distributed at equal intervals on the top end of the support rod, and the top end of the support plate is fixedly connected to the bottom end of the top plate.

[0016] The utility model provides an assembled building staircase, which has the advantages of:

[0017] By providing a fixing structure, the fixing rod is moved to the side of the step plate away from the supporting rod, and the fixing rod is rotated, so that the fixing rod drives the threaded column to move into the threaded groove, so that the top end of the fixing rod is fixedly connected to the bottom end of the step plate, and the fixing rod is moved to the clamping block to the inside of the step plate, and the clamping block is clamped with the step plate through the clamping groove, so that the bottom end of the fixing rod is fixedly connected to the top end of the step plate, thereby realizing the function of facilitating disassembly and assembly of the device, thereby improving the convenience of the assembled building stairs in work and use.

[0018] By providing a storage structure, pulling the movable plate will drive the limit block to move inside the storage slot, and under the support of the storage slot, one end of the movable plate is hinged to the bottom end of the support rod through the first hinge seat. The movable plate can be moved to the inside of the base, realizing the storage function of the device, thereby saving the space occupied by the assembled building staircase during storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 It is a side view structural schematic diagram of the utility model;

[0022] Figure 4 It is a partial enlarged structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional disassembled structure of the building staircase of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. base; 2. storage structure; 201. storage slot; 202. limit block; 203. movable plate; 204. pulley; 3. first hinge seat; 4. support rod; 5. step plate; 6. fixing structure; 601. threaded groove; 602. threaded column; 603. fixing rod; 604. snap-in block; 605. snap-in groove; 7. railing; 8. handrail; 9. second hinge seat; 10. top plate; 11. support plate. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 5 The utility model provides an assembled building staircase, which includes a base 1 and a top plate 10.

[0027] Reference Figure 1 and Figure 2 As shown, a support plate 11 is fixed to the top of the base 1, and a storage structure 2 is arranged inside the base 1. The storage structure 2 includes a storage groove 201, a limit block 202, a movable plate 203 and a pulley 204. The storage groove 201 is arranged inside the base 1, and a limit block 202 is arranged inside the storage groove 201. A movable plate 203 is fixed to one side of the limit block 202, and one side of the movable plate 203 extends to the outside of the base 1. Pulleys 204 are evenly installed on the side of the bottom end of the movable plate 203 away from the base 1. The side cross-sectional area of ​​the limit block 202 is larger than the side cross-sectional area of ​​the movable plate 203, and the limit block 202 and the base 1 form a sliding structure through the storage groove 201.

[0028] Pulling the movable plate 203 will drive the limit block 202 to move inside the storage slot 201. Under the support of the storage slot 201, one end of the movable plate 203 is hinged to the bottom end of the support rod 4 through the first hinge seat 3. The movable plate 203 can be moved to the inside of the base 1, realizing the storage function of the device.

[0029] Reference Figure 1 and Figure 4 As shown, one end of the storage structure 2 extends to the outside of the base 1, and a first hinge seat 3 is evenly installed on one side of the top of the storage structure 2 extending from the base 1, and a support rod 4 is evenly installed on the top of the first hinge seat 3. A railing 7 is fixed to the top of the support rod 4, and a handrail 8 is fixed to the top of the railing 7. A step plate 5 is evenly installed on one side of the support rod 4, and a fixing structure 6 is evenly installed on the side of the bottom end of the step plate 5 away from the base 1. The fixing structure 6 includes a threaded groove 601, a threaded column 602, a fixing rod 603, a clamping block 604 and a clamping groove 605. The threaded groove 601 is provided with a threaded column 602, and the fixing rod 603 is evenly arranged at the bottom of the step plate 5 away from the base 1. On the side away from the support rod 4, the inside of the top step plate 5 of the fixing rod 603 is provided with a threaded groove 601, and the inside of the bottom step plate 5 of the fixing rod 603 is provided with a clamping groove 605, and the inside of the clamping groove 605 is provided with a clamping block 604, the bottom end of the threaded column 602 is fixedly connected to the top of the fixing rod 603, and the top of the clamping block 604 is fixedly connected to the bottom end of the fixing rod 603, the threaded column 602 and the threaded groove 601 are designed to be threadedly connected, and the clamping block 604 and the step plate 5 form a clamping structure through the clamping groove 605, and the second hinged seat 9 is installed on the end of the support rod 4 away from the first hinged seat 3, and the top of the second hinged seat 9 is fixed with a top plate 10.

[0030] Move the fixing rod 603 to the side of the step plate 5 away from the support rod 4, and rotate the fixing rod 603 to drive the threaded column 602 to move into the threaded groove 601, so that the top end of the fixing rod 603 is fixedly connected to the bottom end of the step plate 5, and the fixing rod 603 is moved to the clamping block 604 to the inside of the step plate 5. The clamping block 604 is clamped with the step plate 5 through the clamping groove 605, so that the bottom end of the fixing rod 603 is fixedly connected to the top end of the step plate 5, thereby realizing the function of easy disassembly and assembly of the device.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An assembled building staircase, comprising a base (1) and a top plate (10); Features: A support plate (11) is fixed to the top of the base (1); a storage structure (2) is arranged inside the base (1); one end of the storage structure (2) extends to the outside of the base (1); a first hinge seat (3) is evenly installed on one side of the top of the storage structure (2) extending from the base (1); a support rod (4) is evenly installed on the top of the first hinge seat (3); A step plate (5) is evenly installed on one side of the support rod (4); a fixing structure (6) is evenly installed on the side of the bottom end of the step plate (5) away from the base (1); the fixing structure (6) comprises a threaded groove (601), a threaded column (602), a fixing rod (603), a clamping block (604) and a clamping groove (605); the fixing rod (603) is evenly arranged on the side of the bottom end of the step plate (5) away from the base (1); the inside of the step plate (5) at the top end of the fixing rod (603) is provided with a threaded groove (601); the inside of the step plate (5) at the bottom end of the fixing rod (603) is provided with a clamping groove (605); and a handrail (7) is fixed to the top end of the support rod (4); A handrail (8) is fixed to the top of each of the railings (7); a second hinged seat (9) is installed at one end of each of the support rods (4) away from the first hinged seat (3); and a top plate (10) is fixed to the top of each of the second hinged seats (9).

2. The assembled building staircase according to claim 1, characterized in that: The storage structure (2) comprises a storage groove (201), a limit block (202), a movable plate (203) and a pulley (204); the storage groove (201) is arranged inside the base (1); a limit block (202) is arranged inside the storage groove (201); a movable plate (203) is fixed to one side of the limit block (202); one side of the movable plate (203) extends to the outside of the base (1); and a pulley (204) is evenly installed on the side of the bottom end of the movable plate (203) away from the base (1).

3. The assembled building staircase according to claim 2, characterized in that: The side-view cross-sectional area of ​​the limiting block (202) is larger than the side-view cross-sectional area of ​​the movable plate (203), and the limiting block (202) and the base (1) form a sliding structure via the receiving groove (201).

4. The assembled building staircase according to claim 1, characterized in that: A threaded column (602) is disposed inside the threaded groove (601), and a clamping block (604) is disposed inside the clamping groove (605).

5. The assembled building staircase according to claim 4, characterized in that: The bottom end of the threaded column (602) is fixedly connected to the top end of the fixing rod (603), and the top end of the clamping block (604) is fixedly connected to the bottom end of the fixing rod (603).

6. The assembled building staircase according to claim 4, characterized in that: The threaded column (602) and the threaded groove (601) are designed to be threadedly connected, and the clamping block (604) and the step plate (5) form a clamping structure through the clamping groove (605).

7. The assembled building staircase according to claim 1, characterized in that: The handrails (7) are distributed at equal intervals on the top end of the support rod (4), and the top end of the support plate (11) is fixedly connected to the bottom end of the top plate (10).

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