Prefabricated stair mold with adjustable stair width

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a stair width adjustable prefabricated stair mold which comprises a mold body, supporting legs are fixedly installed at the bottom of the mold body, a positioning assembly is arranged on the mold body, a first sealing plate is arranged in the mold body, and a second sealing plate is arranged in the mold body. And the positioning assembly is used for positioning the position of the first sealing plate, a second sealing plate is fixedly installed in the mold body, and a connecting rod is fixedly installed on the second sealing plate. According to the prefabricated stair mold capable of adjusting the width of the stair conveniently through the installed second sealing plate and the threaded rod, the position of the L-shaped plate can be adjusted through the adjusting assembly, and when the L-shaped plate moves, the second sealing plate can be driven to move synchronously through the connecting rod; and after the distance between the second sealing plate and the first sealing plate is adjusted to the preset position according to the stair width requirement, prefabricated stairs of different sizes can be manufactured conveniently, and then the prefabricated stairs of different sizes can be manufactured conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a precast staircase mold with adjustable staircase width. Background Technique

[0002] The precast staircase mold is a mold used for producing precast concrete staircases, usually made of materials such as steel or fiberglass. The precast staircase mold plays an important role in the construction industry, which can improve production efficiency, reduce costs, and the produced precast concrete staircases have consistent quality and appearance;

[0003] However, when the existing precast staircase molds are in use, it is not convenient to adjust the width inside the molds to prepare precast staircases of different sizes, and the flexibility is insufficient.

[0004] Patent document CN219338025U discloses a precast cement staircase mold, "including a body, a cavity for staircase forming is opened inside the body, and further includes a bottom mold and a top mold. A cavity one for forming a connecting platform is opened at the side end of the bottom mold, the cavity one is communicated with the cavity, a cushion block is arranged inside the cavity one, and the cushion block is detachably connected with the cavity one. By installing the cushion block, the connecting platform at the bottom of the mold can be removed, and by disassembling the cushion block, the connecting platform at the bottom of the mold can be poured. A cavity two for forming a connecting platform is opened on the top mold, and the cavity two is communicated with the cavity. Through the cavity two, the connecting platform at the top of the mold can be poured, so that a set of molds can manufacture symmetrical cement staircases, reducing the manufacturing cost". However, the precast cement staircase mold in the above-mentioned disclosed document mainly considers that symmetrical cement staircases can be manufactured, but does not consider the problem of adjusting the width inside the mold to prepare precast staircases of different sizes. Therefore, it is necessary to research and develop a precast staircase mold with adjustable staircase width. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a precast staircase mold with adjustable staircase width to solve the technical problem of inconvenient adjustment of the mold width proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A precast staircase mold with adjustable staircase width, including a mold body, support legs are fixedly installed at the bottom of the mold body, a positioning component is arranged on the mold body, a first sealing plate is arranged inside the mold body, and the positioning component is used for positioning the position of the first sealing plate. A second sealing plate is fixedly installed inside the mold body, a connecting rod is fixedly installed on the second sealing plate, one end of the connecting rod is fixedly connected with an L-shaped plate, a square groove is fixedly installed inside the mold body, a through groove is arranged on the square groove, and the L-shaped plate extends into the square groove through the through groove. An adjusting component is arranged inside the square groove.

[0007] Preferably, a grouting pipe is fixedly installed at the top of the mold body, and a sealing cover is connected to the top of the grouting pipe.

[0008] Preferably, the positioning component includes a threaded hole and a positioning bolt. The threaded hole is arranged inside the first sealing plate. The positioning bolt penetrates through the inside of the mold body, and the positioning bolt is in threaded connection with the threaded hole.

[0009] Preferably, a battery component is fixedly installed on the square groove.

[0010] Preferably, the adjusting component includes a driving motor, a threaded rod, and a threaded barrel. The driving motor is fixedly installed inside the square groove. The threaded rod is fixedly installed at the output end of the driving motor. The threaded barrel is fixedly installed inside the L-shaped plate, and the threaded rod is in threaded connection with the threaded barrel.

[0011] Preferably, the driving motor is electrically connected to the battery component.

[0012] Preferably, a square plate is arranged inside the square groove, and the square plate is fixedly connected to one end of the L-shaped plate.

[0013] Preferably, a guide rod is fixedly installed inside the square groove, and the guide rod penetrates through the square plate. A through hole corresponding to the threaded rod is arranged on the square plate, and the threaded rod passes through the through hole and is connected to the threaded barrel.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. The precast staircase mold with adjustable staircase width of the present utility model is facilitated by the installed second sealing plate and threaded rod. When adjusting the preparation staircase width and adjusting the space inside the mold body according to requirements, the position of the L-shaped plate will be adjusted through the adjusting component. When the L-shaped plate moves, the second sealing plate will be driven to move synchronously through the connecting rod. When the second sealing plate moves, the distance between the second sealing plate and the first sealing plate will be adjusted. After adjusting the distance between the second sealing plate and the first sealing plate to the predetermined position according to the staircase width requirement, it is convenient to prepare precast staircases of different sizes, improving the practicability of the precast staircase mold with adjustable staircase width. The distance between the first sealing plate and the second sealing plate inside the mold body can be adjusted according to the use requirements, thereby facilitating the preparation of precast staircases of different sizes.

[0016] 2. The utility model facilitates the demoulding of the precast staircase inside the precast staircase mould with adjustable staircase width by installing a first support plate. When the L-shaped plate moves, it drives the square plate to move. When the square plate moves, the guide rod cooperates with the square plate to make the square plate move smoothly. Furthermore, the L-shaped plate will move smoothly through the square plate. After the precast staircase inside the mould body solidifies and forms, after removing the first sealing plate, the adjusting assembly works to adjust the position of the first sealing plate. Then, the solidified precast staircase can be withdrawn from the inside of the mould body, and then it is convenient to push the precast staircase to the outside, thus facilitating the demoulding of the precast staircase. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 is a schematic diagram of the structure of the mould body of the utility model;

[0019] Figure 3 is a schematic diagram of the structure of the square groove of the utility model;

[0020] Figure 4 is a schematic diagram of the structure of the L-shaped plate of the utility model.

[0021] In the figure: 1, mould body; 2, support leg; 3, grouting pipe; 4, sealing cover; 5, first sealing plate; 6, threaded hole; 7, positioning bolt; 8, second sealing plate; 9, square groove; 10, battery assembly; 11, drive motor; 12, square plate; 13, through hole; 14, threaded rod; 15, guide rod; 16, through groove; 17, L-shaped plate; 18, threaded cylinder; 19, connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0023] Please refer to Figures 1-4, A precast staircase mold with adjustable staircase width, comprising a mold body 1. Support legs 2 are fixedly installed at the bottom of the mold body 1. A positioning component is arranged on the mold body 1. A first sealing plate 5 is arranged inside the mold body 1, and the positioning component is used to position the position of the first sealing plate 5. A second sealing plate 8 is fixedly installed inside the mold body 1. A connecting rod 19 is fixedly installed on the second sealing plate 8. One end of the connecting rod 19 is fixedly connected to an L-shaped plate 17. A square groove 9 is fixedly installed inside the mold body 1. A through groove 16 is arranged on the square groove 9, and the L-shaped plate 17 extends into the square groove 9 through the through groove 16. An adjusting component is arranged inside the square groove 9. When using the precast staircase mold with adjustable staircase width to produce precast staircases, when adjusting the space inside the mold body 1 according to requirements, the position of the L-shaped plate 17 will be adjusted through the adjusting component. When the L-shaped plate 17 moves, it will drive the second sealing plate 8 to move synchronously through the connecting rod 19. When the second sealing plate 8 moves, the distance between the second sealing plate 8 and the first sealing plate 5 will be adjusted. After adjusting the distance between the second sealing plate 8 and the first sealing plate 5 to the predetermined position according to the staircase width requirement, after placing the steel bars supporting the precast staircase inside the mold body 1, the position of the first sealing plate 5 is positioned through the positioning component. Furthermore, the first sealing plate 5 and the second sealing plate 8 cooperate to seal the space between the mold bodies 1. After injecting concrete between the first sealing plate 5 and the second sealing plate 8 through the grouting pipe 3, the concrete is fully filled. After the concrete solidifies, the precast staircase can be prepared, achieving the purpose of facilitating the preparation of precast staircases of different sizes, improving the practicability of the precast staircase mold with adjustable staircase width, and adjusting the distance between the first sealing plate 5 and the second sealing plate 8 inside the mold body 1 according to the use requirements, thereby facilitating the preparation of precast staircases of different sizes.

[0024] Please refer to Figure 1 , A grouting pipe 3 is fixedly installed at the top of the mold body 1. A sealing cover 4 is connected to the top of the grouting pipe 3. The sealing cover 4 is used to seal the grouting pipe 3 to prevent foreign impurities from entering the inside of the grouting pipe 3.

[0025] Please refer to Figure 1 and Figure 2 , The positioning component includes a threaded hole 6 and a positioning bolt 7. The threaded hole 6 is arranged inside the first sealing plate 5. The positioning bolt 7 penetrates through the inside of the mold body 1, and the positioning bolt 7 is threadedly connected to the threaded hole 6. When positioning the position of the first sealing plate 5, after placing the first sealing plate 5 inside the mold body 1, when the threaded hole 6 corresponds to the positioning bolt 7, rotate the positioning bolt 7 so that the positioning bolt 7 is threadedly connected to the threaded hole 6, thereby positioning the position of the first sealing plate 5.

[0026] Please refer to Figure 3, a battery assembly 10 is fixedly installed on the square groove 9, and the square groove 9 provides an installation space for the battery assembly 10.

[0027] Please refer to Figure 3 and Figure 4 , the adjusting assembly includes a driving motor 11, a threaded rod 14 and a threaded barrel 18. The driving motor 11 is fixedly installed inside the square groove 9, the threaded rod 14 is fixedly installed at the output end of the driving motor 11, the threaded barrel 18 is fixedly installed inside the L-shaped plate 17, and the threaded rod 14 is threadedly connected to the threaded barrel 18. When adjusting the position of the L-shaped plate 17, operating the driving motor 11 will drive the threaded rod 14 to rotate. The rotation of the threaded rod 14 will cause the threaded barrel 18 to move, and the movement of the threaded barrel 18 will cause the L-shaped plate 17 to move.

[0028] Please refer to Figure 3 , the driving motor 11 is electrically connected to the battery assembly 10, and the battery assembly 10 provides power for the driving motor 11 to work.

[0029] Please refer to Figure 3 , a square plate 12 is arranged inside the square groove 9. The square plate 12 is fixedly connected to one end of the L-shaped plate 17. The square groove 9 provides an installation space for the square plate 12. When the L-shaped plate 17 moves, it will drive the square plate 12 to move synchronously.

[0030] Please refer to Figure 3 , a guide rod 15 is fixedly installed inside the square groove 9, and the guide rod 15 penetrates through the square plate 12. A through hole 13 corresponding to the threaded rod 14 is arranged on the square plate 12, and the threaded rod 14 passes through the through hole 13 and is connected to the threaded barrel 18. When the L-shaped plate 17 moves, it will drive the square plate 12 to move. When the square plate 12 moves, the cooperation between the guide rod 15 and the square plate 12 will make the square plate 12 move smoothly. Furthermore, the L-shaped plate 17 will move smoothly through the square plate 12. After the precast staircase inside the mold body 1 solidifies and forms, after removing the first sealing plate 5, making the adjusting assembly work to adjust the position of the first sealing plate 5, and then the solidified precast staircase can be withdrawn from inside the mold body 1, which is convenient for pushing the precast staircase to the outside, and thus convenient for demolding the precast staircase.

[0031] Working principle: Firstly, when using a precast staircase mold with adjustable staircase width to produce precast staircases, according to requirements, when adjusting the space inside the mold body 1, the driving motor 11 works to drive the threaded rod 14 to rotate. The rotation of the threaded rod 14 causes the threaded barrel 18 to move. The movement of the threaded barrel 18 causes the L-shaped plate 17 to move. When the L-shaped plate 17 moves, it drives the second sealing plate 8 to move synchronously through the connecting rod 19. The movement of the second sealing plate 8 adjusts the distance between the second sealing plate 8 and the first sealing plate 5. After adjusting the distance between the second sealing plate 8 and the first sealing plate 5 to the predetermined position according to the staircase width requirement, place the steel bars supporting the precast staircase inside the mold body 1, and then position the first sealing plate 5 through the positioning component. Further, the cooperation between the first sealing plate 5 and the second sealing plate 8 seals the space between the mold bodies 1. After injecting concrete between the first sealing plate 5 and the second sealing plate 8 through the grouting pipe 3, make the concrete fully fill. After the concrete solidifies, the precast staircase can be prepared, achieving the purpose of facilitating the preparation of precast staircases of different sizes, improving the practicability of the precast staircase mold with adjustable staircase width. The distance between the first sealing plate 5 and the second sealing plate 8 inside the mold body 1 can be adjusted according to the use requirements, thus facilitating the preparation of precast staircases of different sizes. After the precast staircase inside the mold body 1 solidifies and takes shape, remove the first sealing plate 5, and then make the adjusting component work to adjust the position of the first sealing plate 5, so that the solidified precast staircase can be withdrawn from the inside of the mold body 1, thus facilitating the pushing of the precast staircase to the outside, and further facilitating the demolding of the precast staircase.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A precast staircase mold with adjustable staircase width, comprising a mold body (1), characterized in that: The bottom of the mold body (1) is fixedly installed with support legs (2). A positioning component is arranged on the mold body (1). A first sealing plate (5) is arranged inside the mold body (1), and the positioning component is used to position the position of the first sealing plate (5). A second sealing plate (8) is fixedly installed inside the mold body (1). A connecting rod (19) is fixedly installed on the second sealing plate (8). One end of the connecting rod (19) is fixedly connected with an L-shaped plate (17). A square groove (9) is fixedly installed inside the mold body (1). A through groove (16) is arranged on the square groove (9), and the L-shaped plate (17) extends into the square groove (9) through the through groove (16). An adjusting component is arranged inside the square groove (9).

2. The precast staircase mold with adjustable staircase width according to claim 1, characterized in that: A grouting pipe (3) is fixedly installed on the top of the mold body (1), and a sealing cover (4) is connected to the top of the grouting pipe (3).

3. The precast staircase mold with adjustable staircase width according to claim 2, characterized in that: The positioning component includes a threaded hole (6) and a positioning bolt (7). The threaded hole (6) is arranged inside the first sealing plate (5). The positioning bolt (7) penetrates through the inside of the mold body (1), and the positioning bolt (7) is in threaded connection with the threaded hole (6).

4. A precast staircase mold with adjustable staircase width according to claim 3, characterized in that: A battery component (10) is fixedly installed on the square groove (9).

5. A precast staircase mold with adjustable staircase width according to claim 4, characterized in that: The adjusting component includes a driving motor (11), a threaded rod (14), and a threaded cylinder (18). The driving motor (11) is fixedly installed inside the square groove (9). The threaded rod (14) is fixedly installed at the output end of the driving motor (11). The threaded cylinder (18) is fixedly installed inside the L-shaped plate (17), and the threaded rod (14) is in threaded connection with the threaded cylinder (18).

6. The precast staircase mold with adjustable staircase width according to claim 5, characterized in that: The driving motor (11) is electrically connected to the battery component (10).

7. A precast staircase mold with adjustable staircase width according to claim 6, characterized in that: A square plate (12) is arranged inside the square groove (9), and the square plate (12) is fixedly connected with one end of the L-shaped plate (17).

8. A precast staircase mold with adjustable staircase width according to claim 7, characterized in that: A guide rod (15) is fixedly installed inside the square groove (9), and the guide rod (15) penetrates through the square plate (12). A through hole (13) corresponding to the threaded rod (14) is arranged on the square plate (12), and the threaded rod (14) passes through the through hole (13) and is connected to the threaded cylinder (18).

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