Combined prefabricated stair easy to splice

Abstract

The utility model provides a combined prefabricated stair easy to splice, and relates to the technical field of prefabricated stairs. Protrusions are welded to the mounting frame in a linear array shape, and a first stair and a second stair are inserted into each protrusion. The protrusion is of a T-shaped blocky structure. According to the staircase, through the arrangement of the first staircase and the second staircase, when the first staircase and the second staircase are installed, the first staircase and the second staircase can be inserted into the protrusions from the left side and the right side, installation inconvenience caused by space limitation is avoided, the whole staircase is divided into the first staircase and the second staircase, the weight is lighter, and more labor is saved. According to the staircase, through the arrangement of the auxiliary holes, when the first staircase and the second staircase are connected to the protrusions in an inserted mode, cylindrical rods can be used for being inserted into the auxiliary holes from the two sides, at the moment, the first staircase and the second staircase can be conveniently carried and installed, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of precast stairs, and more specifically, particularly relates to a combined precast stairs which is easy to assemble. Background Technique

[0002] Precast stairs, also known as precast concrete stairs, are stair products that are processed and manufactured in a factory using advanced production techniques and then transported to the site for assembly.

[0003] When assembling existing precast stairs, they need to be installed on the stair installation frame from one side. If the installation position is narrow, it will cause the stairs to be difficult to install or even unable to be installed. After the existing precast stairs are inserted into the installation frame, each stair needs to be fixed in sequence, and the operation is cumbersome. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a combined precast stairs which is easy to assemble, so as to solve the problems that when assembling existing precast stairs, they need to be installed on the stair installation frame from one side. If the installation position is narrow, it will cause the stairs to be difficult to install or even unable to be installed. After the existing precast stairs are inserted into the installation frame, each stair needs to be fixed in sequence, and the operation is cumbersome.

[0005] The purpose and effect of a combined precast stairs which is easy to assemble of the utility model are achieved by the following specific technical means:

[0006] A combined precast stairs which is easy to assemble includes an installation frame; protrusions are welded on the installation frame in a linear array, and a first stair and a second stair are inserted on each protrusion.

[0007] Further, the protrusion is a T-shaped block structure.

[0008] Further, two insertion slots are formed on each first stair, and both insertion slots are cylindrical groove structures; two insertion rods are cast on each second stair, and the two insertion rods are inserted into the two insertion slots.

[0009] Further, two auxiliary holes are formed on both the first stair and the second stair, and all four auxiliary holes are circular hole structures.

[0010] Further, a limiting component is installed on the installation frame. The limiting component consists of a connecting block, a limiting seat, a fixing screw and an adjustment slot. A connecting block is welded on both the left end face and the right end face of the installation frame, and both connecting blocks are T-shaped block structures. A limiting seat is inserted on the two connecting blocks. The limiting seat is a concave structure, and the left end face and the right end face of the inner wall of the limiting seat are respectively in contact with the outer sides of the first stair and the second stair. At this time, the first stair and the second stair are in a limited state.

[0011] Further, a fixing screw rod is inserted into the limiting seat. The adjusting part of the fixing screw rod is of a hexagonal structure, and an adjusting groove is formed in the adjusting part of the fixing screw rod. The adjusting groove is of a hexagonal groove structure.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In this application, through the arrangement of the first staircase and the second staircase, when installing the first staircase and the second staircase, the first staircase and the second staircase can be inserted into the protrusions from the left and right sides, avoiding the inconvenience of installation caused by space limitations. Moreover, by dividing an entire staircase into the first staircase and the second staircase, the weight is lighter and it is more labor-saving.

[0014] In this application, through the arrangement of the limiting component, since the limiting seat is of a concave structure, the left end face and the right end face of the inner wall of the limiting seat are respectively in contact with the outer sides of the first staircase and the second staircase. At this time, the first staircase and the second staircase are in a limited state. After the installation of the first staircase and the second staircase is completed, the limiting of the limiting seat can prevent the first staircase and the second staircase from detaching from the protrusions. Compared with the existing device, the limiting of the staircase in this device is fast and time is saved.

[0015] In this application, through the arrangement of the auxiliary holes, when inserting the first staircase and the second staircase into the protrusions, the cylindrical rods can be inserted into the auxiliary holes from both sides. At this time, the handling and installation of the first staircase and the second staircase are convenient, and the installation efficiency is improved. Description of the Drawings

[0016] Figure 1 is an axonometric structural schematic diagram of the easy-to-assemble combined precast staircase of the utility model.

[0017] Figure 2 is the utility model Figure 1 axonometric structural schematic diagram after rotation.

[0018] Figure 3 is the utility model Figure 2 enlarged structural schematic diagram at A.

[0019] Figure 4 is an axonometric split structural schematic diagram of the easy-to-assemble combined precast staircase of the utility model.

[0020] Figure 5 is the utility model Figure 4 axonometric structural schematic diagram after further splitting.

[0021] Figure 6 is an axonometric structural schematic diagram of the first staircase of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the drawing reference numerals is:

[0023] 1. Mounting frame; 101. Protrusion; 2. First staircase; 201. Insertion slot; 3. Second staircase; 301. Insertion rod; 4. Auxiliary hole; 5. Limiting component; 501. Connecting block; 502. Limiting seat; 503. Fixed screw; 504. Adjustment slot. Detailed implementation mode

[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the described embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the present utility model belongs. The words such as "a", "an" or "the" used in the description of the present utility model patent application specification and claims do not indicate a limitation in quantity, but mean that there is at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents. "Connection" or "coupling" and other similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0026] The embodiments of the present utility model will be further described in detail below with reference to the drawings and embodiments.

[0027] Embodiment 1:

[0028] As shown in the attached Figure 1 to the attached Figure 6 figures:

[0029] The present utility model provides an easily spliced combined precast staircase, including a mounting frame 1; protrusions 101 are welded on the mounting frame 1 in a linear array, and a first staircase 2 and a second staircase 3 are inserted on each protrusion 101. When installing the first staircase 2 and the second staircase 3, the first staircase 2 and the second staircase 3 can be inserted on the protrusions 101 from the left and right sides, avoiding inconvenience in installation caused by space limitations, and dividing an entire staircase into the first staircase 2 and the second staircase 3, which is lighter in weight and more labor-saving.

[0030] Among them, the protrusion 101 is a T-shaped block structure. After the first staircase 2 and the second staircase 3 are inserted on the protrusion 101, the stability of the installation of the first staircase 2 and the second staircase 3 on the protrusion 101 can be ensured.

[0031] Among them, two insertion slots 201 are provided on each first staircase 2, and both insertion slots 201 are cylindrical groove structures; two insertion rods 301 are cast on each second staircase 3, and the two insertion rods 301 are inserted into the two insertion slots 201. After the installation of the first staircase 2 and the second staircase 3 is completed, through the connection between the insertion rod 301 and the insertion slot 201, the connection strength of the first staircase 2 and the second staircase 3 can be improved, and at the same time, the bearing capacity of the protrusion 101 can be reduced, and the safety is higher.

[0032] Among them, two auxiliary holes 4 are provided on both the first staircase 2 and the second staircase 3, and all four auxiliary holes 4 are circular hole structures. When the first staircase 2 and the second staircase 3 are inserted on the protrusion 101, a cylindrical rod can be used to insert into the auxiliary holes 4 from both sides. At this time, the handling and installation of the first staircase 2 and the second staircase 3 are convenient, and the installation efficiency is improved.

[0033] Embodiment Two:

[0034] On the basis of Embodiment One, a limiting component 5 is installed on the mounting frame 1. The limiting component 5 is composed of a connecting block 501, a limiting seat 502, a fixing screw 503 and an adjusting slot 504. A connecting block 501 is welded to both the left end face and the right end face of the mounting frame 1. Both connecting blocks 501 are T-shaped block structures. A limiting seat 502 is inserted on the two connecting blocks 501. The limiting seat 502 is a concave structure. The left end face and the right end face of the inner wall of the limiting seat 502 are in contact with the outer sides of the first staircase 2 and the second staircase 3 respectively. At this time, the first staircase 2 and the second staircase 3 are in a limited state. After the installation of the first staircase 2 and the second staircase 3 is completed, the first staircase 2 and the second staircase 3 can be prevented from detaching from the protrusion 101 through the limitation of the limiting seat 502.

[0035] Embodiment Three:

[0036] On the basis of Embodiment Two, a fixing screw 503 is inserted on the limiting seat 502. The adjusting part of the fixing screw 503 is a hexagonal structure, and an adjusting slot 504 is provided on the adjusting part of the fixing screw 503. The adjusting slot 504 is a hexagonal groove structure. When tightening or loosening the fixing screw 503, a wrench can be directly used to clamp on the adjusting part of the fixing screw 503 for adjustment. When the adjusting part of the fixing screw 503 is damaged, a hexagonal wrench can be inserted into the adjusting slot 504 for adjustment.

[0037] Working principle: When installing the first staircase 2 and the second staircase 3, a cylindrical rod can be inserted into the auxiliary holes 4 from both sides to lift the first staircase 2 and the second staircase 3, and then the first staircase 2 and the second staircase 3 are inserted onto the protrusions 101 from the left and right sides; after the first staircase 2 and the second staircase 3 are installed on the protrusions 101, the limit seat 502 is inserted onto the two protrusions 101, and then the fixing screw 503 is tightened on the mounting frame 1 by threading. When the adjustment part of the fixing screw 503 is damaged, a hex wrench can be inserted into the adjustment slot 504 for adjustment.

[0038] Although the present application has been described with reference to the above embodiments, those skilled in the art will understand that various changes can be made without departing from the concept and scope of the present application as defined by the appended claims. Although this specification contains many details of specific implementation manners, these should not be construed as limitations on the scope of the claims of the present application, but rather as descriptions of features specific to particular embodiments. The scope of the present application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A combined precast staircase that is easy to assemble, comprising an installation frame (1); protrusions (101) are welded on the installation frame (1) in a linear array, and it is characterized in that: A first staircase (2) and a second staircase (3) are plugged on each protrusion (101); two auxiliary holes (4) are formed on both the first staircase (2) and the second staircase (3), and the four auxiliary holes (4) are all circular hole structures.

2. The modular precast staircase according to claim 1, wherein: The protrusion (101) is a T-shaped block structure.

3. The modular precast staircase as claimed in claim 2, wherein: Two plug slots (201) are formed on each of the first staircases (2), and the two plug slots (201) are both cylindrical slot structures; two plug rods (301) are cast on each second staircase (3), and the two plug rods (301) are plugged in the two plug slots (201).

4. The modular precast staircase as claimed in claim 3, wherein: A limiting component (5) is installed on the mounting frame (1). The limiting component (5) is composed of a connecting block (501), a limiting seat (502), a fixing screw (503) and an adjustment slot (504). A connecting block (501) is welded to both the left end face and the right end face of the mounting frame (1). The two connecting blocks (501) are both T-shaped block structures. A limiting seat (502) is plugged on the two connecting blocks (501), and the limiting seat (502) is a concave structure.

5. The modular precast staircase according to claim 4, wherein: The left end face of the inner wall and the right end face of the inner wall of the limiting seat (502) are respectively in contact with the outer sides of the first staircase (2) and the second staircase (3). At this time, the first staircase (2) and the second staircase (3) are in a limiting state.

6. The combined precast staircase easy to assemble according to claim 5, characterized in that: A fixing screw (503) is plugged on the limiting seat (502). The adjustment part of the fixing screw (503) is a hexagonal structure, and an adjustment slot (504) is formed in the adjustment part of the fixing screw (503). The adjustment slot (504) is a hexagonal slot structure.

Images