Universal adjustable scaffold for staircase

Abstract

The utility model relates to the technical field of scaffolds, in particular to a universal adjustable scaffold for staircases. In order to solve the problem that an existing operation platform has many defects, the novel universal adjustable scaffold for the staircase is provided and comprises a plurality of vertical pieces and a plurality of horizontal pieces, and the horizontal pieces and the vertical pieces are connected in a matched mode to form a stepped structure on the whole. Each vertical piece comprises a plurality of vertical rods, one end part of each vertical rod is provided with a vertical screw thread, and the other end part of each vertical rod is provided with an internal thread sleeve matched with the vertical screw thread of the adjacent vertical rod; each horizontal piece comprises a first horizontal rod and a second horizontal rod, a horizontal screw thread is arranged at one end of each first horizontal rod, and a screw thread sleeve is arranged at one end of each second horizontal rod. The scaffold is of an assembled structure, is convenient to erect, disassemble and carry, and is high in universality and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of scaffolds, in particular to a universal adjustable scaffold for stairwells. Background Art

[0002] The operating platforms used for staircase masonry and decoration construction at existing construction sites are usually constructed with steel pipe fasteners or welded with steel components, but the existing operating platforms have the following problems: 1. The operating platform constructed with steel pipe fasteners is cumbersome to assemble and disassemble and has poor safety, and cannot be operated by non-professional workers; 2. The platform is welded with steel components, and the welding process is time-consuming and labor-intensive, and the overall moving weight is large, making it difficult to move; 3. Due to the different step heights, step lengths and widths of different stairs, the platforms constructed with steel pipe fasteners and the platforms welded with steel components have poor adaptability. Different specifications of platforms need to be prepared for different stair specifications, which have poor versatility and high preparation costs. Summary of the invention

[0003] In order to solve the above-mentioned defects of the existing operating platform, the utility model provides a new universal adjustable scaffold for stairwells.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] A universal adjustable scaffold for staircases, comprising a plurality of vertical members, a plurality of horizontal members, wherein the plurality of horizontal members (as is known to those skilled in the art, the horizontal members described herein are used as both horizontal members in the width direction of the step-type structure and horizontal members in the length direction of the step-type structure) and the plurality of vertical members are adapted to form a step-type structure adapted to the staircase after being connected; each vertical member comprises a plurality of uprights, one end of each upright is provided with a vertical thread, the other end is provided with an internal thread sleeve adapted to the vertical thread of the adjacent upright, the outer wall of each upright is coaxially covered with an inherent annular connecting member A connecting plate, each of which is evenly distributed with 8 pin holes; each horizontal member includes a first horizontal rod and a second horizontal rod, one end of the first horizontal rod is provided with a horizontal thread, one end of the second horizontal rod is provided with a thread sleeve, the horizontal thread on the first horizontal rod is adaptively connected with the thread sleeve on the second horizontal rod to form an integral horizontal rod, the two ends of the integral horizontal rod are respectively fixed with U-shaped blocks whose openings are arranged in a direction away from the integral horizontal rod, the upper and lower side arm plates of each U-shaped block are provided with connecting holes that are adapted to the pin holes on the corresponding connecting plate, and the connecting holes are equipped with pins.

[0006] When setting up the stair scaffolding, the length of the vertical member is adjusted in advance according to the height of the stair steps, and the length of the vertical member is adjusted by adjusting the screw-in length of the vertical screws of the two adjacent vertical poles; the length of the horizontal member is adjusted according to the length and width of the stair steps, and the length of the horizontal member is adjusted in advance by adjusting the screw-in length of the horizontal thread of the first horizontal rod into the thread sleeve on the second horizontal rod. When setting up, the horizontal member is connected to the corresponding connecting plate on the vertical pole through the U-shaped blocks at both ends through the pins to achieve the vertical connection between the horizontal member and the vertical member. The connecting plate is located in the corresponding U-shaped block, which increases the connection reliability between the horizontal member and the vertical member. After the scaffolding is set up according to the stepped structure, the scaffolding board is set up on the stepped plane (the scaffolding board can be a hook-type scaffolding board, which is convenient for connecting with the horizontal member).

[0007] Furthermore, the arm plates on both sides of each U-shaped block are fan-shaped ring plates with a central angle of 90 degrees. Multiple U-shaped blocks connected to the same connecting plate are clamped to each other to prevent the overall deformation of the frame and ensure the overall stability of the frame.

[0008] Furthermore, a locking hole is provided on the circumferential wall of each internally threaded sleeve, and a nut matching the locking hole is fixed at the position of the locking hole on the outer circumferential wall of each internally threaded sleeve, and a locking screw is provided on the nut. When in use, after the height of the vertical member is adjusted, the locking screw is screwed on the nut, passes through the locking hole, and then presses against the circumferential wall of the vertical lead screw, so as to prevent the connection between two adjacent vertical poles from loosening, thereby further improving the overall stability of the frame.

[0009] The beneficial effects produced by the utility model are as follows: the scaffold described in the utility model, on the one hand, controls the frame body to be suitable for stairwell construction with different stair tread heights by adjusting the screw-in length of the vertical screws of two adjacent uprights, and further ensures the horizontality of the operating platform, thereby ensuring the stability of the operating platform and the safety of the operators; on the other hand, controls the frame body to be suitable for stairwell construction with different stair tread widths and lengths by adjusting the screw-in length of the horizontal thread of the first horizontal rod screwed into the thread sleeve on the second horizontal rod; at the same time, the scaffold described in the utility model is an assembled structure, which is easy to erect and disassemble and carry, and has strong versatility and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings herein are incorporated into and constitute a part of the specification, show embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0014] Figure 3 It is a structural schematic diagram of the vertical pole described in the utility model;

[0015] Figure 4 It is a structural schematic diagram of the first horizontal rod in the utility model;

[0016] Figure 5 It is a structural schematic diagram of the second horizontal rod in the utility model.

[0017] In the figure: 1-vertical pole, 2-vertical thread, 3-inner thread sleeve, 4-connecting plate, 5-pin hole, 6-first horizontal rod, 7-horizontal thread, 8-second horizontal rod, 9-thread sleeve, 10-U-shaped block, 11-connecting hole, 12-nut. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the scheme of the utility model will be further described below. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] In the description, it should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. It should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0022] like Figures 1 to 5 As shown, a universal adjustable scaffold for stairwells comprises a plurality of vertical members and a plurality of horizontal members (it is well known to those skilled in the art that the horizontal members described herein are used as both horizontal members in the width direction and horizontal members in the length direction of the stepped structure). After the plurality of horizontal members and the plurality of vertical members are adapted and connected, the whole presents a stepped structure adapted to the stairwell; each vertical member comprises a plurality of uprights 1, one end of each upright 1 is provided with a vertical thread 2, and the other end is provided with an internal threaded sleeve 3 adapted to the vertical thread 2 of the adjacent upright 1, the outer wall of each upright 1 is coaxially covered with an inherent annular connecting plate 4, and each upright 1 is provided with an internal threaded sleeve 3 adapted to the vertical thread 2 of the adjacent upright 1. There are 8 pin holes 5 evenly distributed on the connecting plate 4; each horizontal member includes a first horizontal rod 6 and a second horizontal rod 8, one end of the first horizontal rod 6 is provided with a horizontal thread 7, and one end of the second horizontal rod 8 is provided with a thread sleeve 9, the horizontal thread 7 on the first horizontal rod 6 is adaptively connected with the thread sleeve 9 on the second horizontal rod 8 to form an integral horizontal rod, and the two ends of the integral horizontal rod are respectively fixed with U-shaped blocks 10 whose openings are arranged in a direction away from the integral horizontal rod, and the upper and lower side arm plates of each U-shaped block 10 are provided with connecting holes 11 adapted to the pin holes 5 on the corresponding connecting plate 4, and the connecting holes 11 are equipped with pins.

[0023] When erecting a staircase scaffold, the length of the vertical member is adjusted in advance according to the height of the stair steps, and the length of the vertical member is adjusted by adjusting the screw-in length of the vertical screw 2 of the two adjacent vertical rods 1; the length of the horizontal member is adjusted according to the length and width of the stair steps, and the length of the horizontal member is adjusted in advance by adjusting the screw-in length of the horizontal thread 7 of the first horizontal rod 6 screwed into the thread sleeve 9 on the second horizontal rod 8. When erecting, the horizontal member is connected to the corresponding connecting plate 4 on the vertical rod 1 through the U-shaped blocks 10 at both ends through the pins to realize the vertical connection between the horizontal member and the vertical member. The connecting plate 4 is located in the corresponding U-shaped block 10, which increases the connection reliability between the horizontal member and the vertical member. The scaffold is arranged in a stepped structure adapted to the stairs (such as Figure 1 After the erection of the scaffolding planks (as shown in the figure) is completed, hook-type scaffolding planks can be used to set up the scaffolding planks on the plane of the stepped structure, which is convenient for connecting with the horizontal parts.

[0024] In specific implementation, the arm plates on both sides of each U-shaped block 10 are fan-shaped ring plates with a central angle of 90 degrees. Multiple U-shaped blocks 10 connected to the same connecting plate 4 are clamped together to prevent the overall deformation of the frame and ensure the overall stability of the frame.

[0025] In specific implementation, a locking hole is provided on the circumferential wall of each internally threaded sleeve 3, and a nut 12 adapted to the locking hole is fixed at the position of the locking hole on the outer circumferential wall of each internally threaded sleeve 3, and a locking screw is adapted to the nut 12. When in use, after the height of the vertical member is adjusted, the locking screw is screwed on the nut 12, passes through the locking hole, and then presses against the circumferential wall of the vertical lead screw 2, so as to prevent the connection between the two adjacent vertical poles 1 from being loosened, thereby further improving the overall stability of the frame.

[0026] In specific implementation, the material of the vertical pole 1 is Q235 steel, the length of the vertical pole 1 is 1500mm (a variety of specifications can be produced for selection, such as: 1200mm, 1500mm, 1800mm), the length of the vertical thread 2 is 600mm, the diameter is 40mm, and the length of the vertical screw screwed into the internal threaded sleeve is not less than 150mm. The internal thread length of the internal threaded sleeve section is 100mm and the outer diameter is 48mm. The vertical pole 1 is provided with a connecting plate 4 200mm away from its bottom end. The vertical pole 1 is provided with a locking hole 100mm away from its bottom end.

[0027] In specific implementation, the first horizontal rod 6 and the second horizontal rod 8 are made of Q235 steel, the length of the first horizontal rod 6 is 800 mm, the length of the horizontal thread 7 is 450 mm, and the length of the horizontal threaded rod screwed into the threaded rod sleeve is not less than 150 mm. The length of the second horizontal rod 8 is 850 mm (multiple specifications can be produced for selection, such as: 550 mm, 850 mm), and the length of the inner thread in the threaded sleeve 9 is 100 mm.

[0028] In this specific implementation, the material of the latch is Q235 steel. The material of the locking screw is Q235 steel.

[0029] The above is only a specific implementation of the utility model, which enables those skilled in the art to understand or implement the utility model. Although detailed descriptions are given with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should all be covered by the protection scope of the claims.

Claims

1. A universal adjustable scaffold for stairwells, characterized in that: The invention comprises a plurality of vertical members and a plurality of horizontal members, wherein the plurality of horizontal members and the plurality of vertical members are adapted to be connected to form a stepped structure adapted to a staircase; each vertical member comprises a plurality of vertical rods (1), one end of each vertical rod (1) is provided with a vertical thread (2), and the other end is provided with an internal thread sleeve (3) adapted to the vertical thread (2) of an adjacent vertical rod (1); the outer wall of each vertical rod (1) is coaxially covered with an inherent annular connecting plate (4), and each connecting plate (4) is evenly distributed with 8 pin holes (5); each horizontal member comprises a first horizontal rod (6) and a second horizontal rod (8), and the first horizontal rod (6) and the second horizontal rod (8) are provided with a plurality of vertical rods (1); One end of the rod (6) is provided with a horizontal thread (7), one end of the second horizontal rod (8) is provided with a thread sleeve (9), the horizontal thread (7) on the first horizontal rod (6) and the thread sleeve (9) on the second horizontal rod (8) are adapted to be connected to form an integral horizontal rod, and both ends of the integral horizontal rod are respectively fixed with U-shaped blocks (10) whose openings are both arranged in a direction away from the integral horizontal rod, and upper and lower side arm plates of each U-shaped block (10) are provided with connecting holes (11) adapted to the latch holes (5) on the corresponding connecting plate (4), and the connecting holes (11) are provided with latches.

2. A universal adjustable scaffold for stairwells according to claim 1, characterized in that: The arm plates on both sides of each U-shaped clamping block (10) are both fan-shaped annular plates with a central angle of 90 degrees, and a plurality of U-shaped clamping blocks (10) connected to the same connecting plate (4) are clamped to each other.

3. A universal adjustable scaffold for stairwells according to claim 2, characterized in that: A locking hole is provided on the circumferential wall of each internally threaded sleeve (3), a nut (12) adapted to the locking hole is fixed at the position of the locking hole on the outer circumferential wall of each internally threaded sleeve (3), and a locking screw is adapted to the nut (12).

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