Adjustable scaffolding connection couplers for building construction

CN224785330UActive Publication Date: 2026-09-22GANSU JIANTOU CONSTR CO LTD
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Patent Information

Application Number
CN202522160822.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-09-22
Estimated Expiration
2035-10-13

AI Technical Summary

Technical Problem

[0006]本申请所要解决的一个技术问题是:无专门角度调节结构,无法精确锁定角度,适配性差,夹持组件无防滑弹性垫圈,易因连接不紧密导致杆件滑动,存在松脱风险,紧固依赖单一螺母,操作便利性与锁定稳定性不足

Benefits of technology

[0015]1、角度调节组件中连接环与安装座的转动配合,实现第一、二夹持组件可拆卸连接,在加强连接稳定性的同时不影响角度调节,又便于安装与维护,六角转轴与连接柱的结构设计,结合多螺纹孔与锁定螺栓精准锁定角度,能满足不同场景杆件连接需求,减少专用扣件种类,降低施工配件成本,提升脚手架搭建灵活性。

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Abstract

This utility model relates to the field of construction equipment technology, specifically an adjustable scaffolding connecting fastener for construction, including a first clamping component, an angle adjustment component on the left side of the first clamping component, a second clamping component on the left side of the angle adjustment component, a connecting component on the front side of the first clamping component, and an arc-shaped clamping seat a on the right side of the first clamping component. The arc-shaped clamping seat a is externally located on the right side of the angle adjustment component, and an anti-slip elastic washer is provided on the inner side of the arc-shaped clamping seat a. This adjustable scaffolding connecting fastener for construction achieves a detachable connection with the mounting base through a connecting ring. Combined with a hexagonal pivot and other precise locking mechanisms, it reduces the types of fasteners, lowers costs, and increases flexibility. The clamping component adapts to rods of different diameters with its arc-shaped seat, and the anti-slip washer and double locking ensure stability. No tools are required for operation, improving convenience and ensuring safety.
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Description

Technical Field

[0001] This utility model relates to the field of construction equipment technology, specifically to adjustable scaffolding connecting fasteners for construction. Background Technology

[0002] Scaffolding couplers are metal fittings that connect scaffolding uprights, horizontal bars, and other components. They transfer loads and ensure the stability of the scaffolding, making them a key component for scaffolding safety. Adjustable scaffolding couplers for construction are upgraded metal fittings based on traditional couplers. They can be adjusted to adapt to different specifications of poles, flexibly connecting uprights and horizontal bars, transferring loads and ensuring the stability of the scaffolding. They are suitable for complex construction scenarios, improving the flexibility and safety of scaffolding erection.

[0003] A search revealed Chinese patent (CN220058796U), which describes a connecting fastener for steel pipe scaffolding. The fastener uses left and right arc-shaped grooves to enclose the upright, and a central connector and fastener to fasten the front ends of the left and right supports. A first left and first right arc-shaped groove enclose the steel pipe on the left side, which runs along the front-to-back direction. A left connector and left fastener fasten the upper ends of the left cover plate and the left fixing seat. A second left and second right arc-shaped groove enclose the steel pipe on the right side, which runs along the front-to-back direction. A right connector and right fastener fasten the upper ends of the right fixing seat and the upper end of the right cover plate. This utility model's connecting fastener for coupler-type steel pipe scaffolding allows one upright to fix two steel pipes, saving construction materials, reducing construction costs, and featuring a clever design and simple structure.

[0004] The aforementioned patent proposes to wrap the upright with a left and right arc-shaped groove, and to fasten the front ends of the left and right supports with an intermediate connector and a intermediate fastener. The steel pipe on the left side, which is set along the front-back direction, is wrapped with the first left and first right arc-shaped grooves. However, there is no dedicated angle adjustment structure. It only relies on the vertical pivot to roughly rotate, which cannot accurately lock the angle. The adaptability is poor. The clamping components do not have anti-slip elastic washers, which can easily cause the rod to slide due to loose connection, posing a risk of loosening. The fastening relies on a single nut, which is not convenient to operate and has insufficient locking stability.

[0005] To address this, we propose an adjustable scaffolding connection coupler for construction that allows for angle adjustment to ensure the stability of fastening members. Utility Model Content

[0006] One of the technical problems this application aims to solve is: the lack of a dedicated angle adjustment structure makes it impossible to accurately lock the angle, resulting in poor adaptability; the clamping components lack anti-slip elastic washers, making it easy for the rods to slip due to loose connections, posing a risk of loosening; and the reliance on a single nut for fastening results in insufficient ease of operation and locking stability.

[0007] To address the aforementioned technical problems, this application provides an adjustable scaffolding connection fastener for building construction, comprising a first clamping component, an angle adjustment component on the left side of the first clamping component, a second clamping component on the left side of the angle adjustment component, and a connecting component on the front side of the first clamping component.

[0008] In some embodiments, the first clamping assembly includes an arc-shaped clamping seat a, the outer side of which is disposed on the right side of the angle adjustment assembly, the inner side of which is provided with an anti-slip elastic washer, the rear side of which is provided with a connecting shaft, and the front side of which is provided with an arc-shaped clamping seat b.

[0009] In some embodiments, the connecting assembly includes a fixing seat, the rear side of which is disposed on the front side of the arc-shaped clamping seat b, a rotating shaft is rotatably connected inside the arc-shaped clamping seat b, and a connecting rod is disposed outside the rotating shaft.

[0010] In some embodiments, a U-shaped plate is slidably connected to the outside of the connecting rod, the rear side of the U-shaped plate is disposed on the front side of the arc-shaped clamping seat a, and a gasket is disposed on the outside of the connecting rod, the right side of the gasket being in contact with the left side of the U-shaped plate.

[0011] In some embodiments, a U-shaped plate is slidably connected to the outside of the connecting rod, the rear side of the U-shaped plate is disposed on the front side of the arc-shaped clamping seat a, and a gasket is disposed on the outside of the connecting rod, the right side of the gasket being in contact with the left side of the U-shaped plate.

[0012] In some embodiments, the angle adjustment assembly includes a mounting base, the left side of which is disposed on the right side of the second clamping assembly, a connecting ring is rotatably connected to the outside of the mounting base, and a hexagonal rotating shaft is disposed on the left side of the mounting base.

[0013] In some embodiments, the inner side of the connecting ring is threaded with a connecting post, the outer side of the hexagonal shaft is slidably connected to the inside of the connecting post, the outer side of the hexagonal shaft is provided with a plurality of threaded holes, and the inner side of the outer through hole of the connecting post is slidably connected with two locking bolts, the outer threads of the two locking bolts are connected to the inner side of the threaded holes.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. The rotating engagement between the connecting ring and the mounting base in the angle adjustment assembly enables the detachable connection of the first and second clamping components. This enhances connection stability without affecting angle adjustment, and facilitates installation and maintenance. The structural design of the hexagonal shaft and connecting column, combined with multiple threaded holes and locking bolts, allows for precise angle locking, meeting the connection needs of different scenarios, reducing the types of special fasteners, lowering construction accessory costs, and improving the flexibility of scaffolding erection.

[0016] 2. The clamping assembly is connected by two arc-shaped clamping seats, which can accommodate scaffolding poles of different diameters. The inner anti-slip elastic washer can increase the friction with the poles and prevent slippage. The connecting assembly is double locked by fixing bolts and wing nuts, and the pressure is distributed by the washers. This ensures that the clamping is stable and prevents loosening. It can be operated without professional tools, which improves the convenience of construction. It ensures the safety of scaffolding use from the clamping point and adapts to various construction needs. Attached Figure Description

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

[0018] Figure 2 This is a schematic diagram of the arc-shaped clamping seat a structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the fixing base structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged diagram of A in the middle;

[0021] Figure 5 This utility model Figure 4 Enlarged diagram of B in the diagram.

[0022] In the diagram: 1. First clamping assembly; 11. Arc-shaped clamping seat a; 12. Arc-shaped clamping seat b; 13. Anti-slip elastic washer; 14. Connecting shaft; 2. Angle adjustment assembly; 21. Mounting seat; 22. Connecting ring; 23. Hexagonal shaft; 24. Threaded hole; 25. Connecting post; 26. Locking bolt; 3. Second clamping assembly; 4. Connecting assembly; 41. Fixed seat; 42. Rotating shaft; 43. Connecting rod; 44. U-shaped plate; 45. Washer; 46. Fixing bolt; 47. Wing nut. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1: Please refer to Figure 1 , Figure 3 and Figure 4 This utility model provides a technical solution: an adjustable scaffolding connecting fastener for building construction, including a first clamping component 1, which serves as the main clamping component for fixing the first scaffolding upright or horizontal bar; an angle adjustment component 2 is provided on the left side of the first clamping component 1, which serves as a connecting hub for flexibly adjusting the spatial angle between the first clamping component 1 and the second clamping component 3; a second clamping component 3 is provided on the left side of the angle adjustment component 2, which is symmetrically distributed with the first clamping component 1 for fixing the second scaffolding member; and a connecting component 4 is provided on the front side of the first clamping component 1, which serves as a fastening mechanism to realize the opening, closing and locking of the clamping component.

[0025] The angle adjustment component 2 includes a mounting base 21, which provides a basic mounting platform for angle adjustment. The left side of the mounting base 21 is located on the right side of the second clamping component 3, achieving a rigid connection with the second clamping component 3. The mounting base 21 is rotatably connected to a connecting ring 22, which is a ring structure that can rotate 360 ​​degrees around the axis of the mounting base 21 to connect the first clamping component 1 and the second clamping component 3, ensuring the stability of the connection without interfering with the angle adjustment. The left side of the mounting base 21 is provided with a hexagonal rotating shaft 23, which is a metal shaft with a regular hexagonal cross section to prevent relative rotation with the connecting post 25. The inner side of the connecting ring 22 is threadedly connected to the connecting post 25, which is a hollow cylindrical component. The connection of the first clamping component 1 and the second clamping component 3 can be achieved through threaded rotation, and the design is detachable.

[0026] The hexagonal shaft 23 is externally slidably connected to the inside of the connecting post 25, and can rotate around the axis of the connecting post 25 to meet the angle adjustment requirements. The hexagonal shaft 23 has multiple threaded holes 24 on its outside, which are distributed at certain angle intervals along the axial direction to achieve precise locking at multiple angles. Two locking bolts 26 are slidably connected to the inside of the external through hole of the connecting post 25, which are symmetrically distributed on both sides of the connecting post 25 to make the force more even. The external threads of the two locking bolts 26 are connected to the inside of the threaded holes 24. The hexagonal shaft 23 and the connecting post 25 are rigidly fixed through the threaded engagement to achieve angle locking.

[0027] Example 2: Please refer to Figure 1 , Figure 2 and Figure 5The first clamping component 1 includes an arc-shaped clamping seat a11, which is made of high-strength alloy steel and has a semi-circular arc structure to adapt to the outer contour of the circular rod. The outside of the arc-shaped clamping seat a11 is set on the right side of the angle adjustment component 2, and a rigid connection with the angle adjustment component 2 is achieved by welding. The inner side of the arc-shaped clamping seat a11 is provided with an anti-slip elastic washer 13, which is made of nitrile rubber and molded to increase the static friction with the rod and buffer construction vibration. The rear side of the arc-shaped clamping seat a11 is provided with a connecting shaft 14, which is a cylindrical steel shaft with chrome-plated surface to realize the rotational connection between the arc-shaped clamping seat a11 and the arc-shaped clamping seat b12. The front side of the connecting shaft 14 is provided with an arc-shaped clamping seat b12, which is symmetrically arranged with the same size as the arc-shaped clamping seat a11 to form a closed clamping space.

[0028] The connecting component 4 includes a fixed base 41, which is a rectangular block casting that serves as a fixed support for the rotating shaft 42. The rear side of the fixed base 41 is located on the front side of the arc-shaped clamping base b12. It is fastened with bolts to form an integral structure with the arc-shaped clamping base b12. The rotating shaft 42 is rotatably connected inside the arc-shaped clamping base b12. It is a cylinder that can rotate around its own axis at multiple angles to adjust the angle of the connecting rod 43. The connecting rod 43 is located outside the rotating shaft 42. It is a long strip of metal rod that connects the two clamping bases. The U-shaped plate 44 is slidably connected to the outside of the connecting rod 43. It is made of steel plate bent into a U-shaped groove structure that can accommodate the connecting rod 43 and allow it to slide along the groove. The rear side of the U-shaped plate 44 is located on the front side of the arc-shaped clamping base a11.

[0029] The connecting rod 43 is provided with a washer 45, which is a circular metal sheet that increases the force-bearing area and prevents damage to the components. The right side of the washer 45 contacts the left side of the U-shaped plate 44, which can effectively disperse the pressure generated by the fixing bolt 46 and prevent the U-shaped plate 44 from deforming. The connecting rod 43 is connected to the fixing bolt 46 by external threads. The fixing bolt 46 is a high-strength hexagonal bolt. The axial clamping force is generated by tightening the threads. The right side of the fixing bolt 46 contacts the left side of the washer 45, which evenly transmits the threaded locking force to the surface of the washer 45. The connecting rod 43 is connected to the wing nut 47 by external threads. The wing structure design allows for quick manual tightening without tools, which is convenient for construction operations. The right side of the wing nut 47 contacts the left side of the fixing bolt 46. The double locking structure prevents the fixing bolt 46 from loosening due to vibration.

[0030] The working principle of the second clamping component 3 is the same as that of the first clamping component 1. It is used to clamp another scaffold member. The first clamping component 1 and the second clamping component 3 respectively clamp the two scaffold members securely. Then, the angle adjustment component 2 is used to flexibly adjust and lock the connection angle between the two members. At the same time, the connecting component 4 ensures the clamping force and stability of the clamping components. Finally, it achieves a reliable connection of scaffold members of different specifications and angles, meeting the flexibility and safety requirements of scaffolding construction. Moreover, the components work together to ensure that the fasteners can effectively transfer the load during use and ensure the overall stability of the scaffolding structure.

[0031] Based on the above embodiments, the following is the complete working principle of the above embodiments: In the first clamping assembly 1, the arc-shaped clamping seat a11 and the arc-shaped clamping seat b12 are rotatably connected by the connecting shaft 14 to adapt to scaffolding members of different diameters. When it is necessary to clamp the scaffolding member, the member is placed in the clamping space formed by the arc-shaped clamping seat a11 and the arc-shaped clamping seat b12. The anti-slip elastic washer 13 on the inner side of the arc-shaped clamping seat a11 can increase the friction between the member and the member, preventing the member from sliding. Subsequently, the fixing seat 41 of the connecting assembly 4 is fixed to the arc-shaped clamping seat b1. 2. On the front side, the rotating shaft 42 is rotatably connected to the fixed seat 41. The connecting rod 43 rotates with the rotating shaft 42 to the U-shaped plate 44 on the front side of the arc-shaped clamping seat a11. The connecting rod 43 slides along the U-shaped plate 44 to adjust the clamping tightness. After the adjustment is completed, the shims 45 are sequentially sleeved on the outside of the connecting rod 43, and the fixing bolts 46 are screwed in so that the shims 45 are tightly attached to the left side of the U-shaped plate 44. Finally, the wing nut 47 is tightened. Through the cooperation of the fixing bolts 46 and the wing nut 47, the arc-shaped clamping seat a11 and the arc-shaped clamping seat b12 are locked to achieve a stable clamping of the scaffolding members.

[0032] Angle adjustment component 2 is used to adjust the angle between the first clamping component 1 and the second clamping component 3 to adapt to the connection angle requirements of scaffolding members in different construction scenarios. Mounting base 21 is fixed to the right side of the second clamping component 3. Connecting ring 22 is rotatably connected to mounting base 21, and fixedly connected to the arc-shaped clamping seat a11 of the first clamping component 1. Rotating connecting ring 22 allows for a detachable connection between the first clamping component 1 and the second clamping component 3. Simultaneously, the hexagonal rotating shaft 23 on the left side of mounting base 21 slides through the connecting column 25, connecting column 25 and... The connecting ring 22 is threaded, which strengthens the connection between the first clamping assembly 1 and the second clamping assembly 3 and does not affect the rotation of the hexagonal shaft 23 for angle adjustment. When the angle is adjusted to the required position, the two locking bolts 26 are passed through the external through hole 24 of the connecting post 25 and screwed into the corresponding threaded hole 24 by using the multiple threaded holes 24 on the outside of the hexagonal shaft 23. Through the threaded engagement of the locking bolts 26 and the threaded hole 24, the hexagonal shaft 23 and the connecting post 25 are fixed, thereby locking the angle between the first clamping assembly 1 and the second clamping assembly 3 and ensuring a stable connection.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An adjustable scaffolding connection coupler for building construction, comprising a first clamping assembly (1), characterized in that: An angle adjustment component (2) is provided on the left side of the first clamping component (1), and a second clamping component (3) is provided on the left side of the angle adjustment component (2). A connecting component (4) is provided on the front side of the first clamping component (1). The first clamping component (1) includes an arc-shaped clamping seat a (11). The outer side of the arc-shaped clamping seat a (11) is provided on the right side of the angle adjustment component (2). An anti-slip elastic washer (13) is provided on the inner side of the arc-shaped clamping seat a (11). A connecting shaft (14) is provided on the rear side of the arc-shaped clamping seat a (11). An arc-shaped clamping seat b (12) is provided on the front side of the connecting shaft (14). The angle adjustment component (2) includes a mounting bracket. Mounting base (21), the left side of the mounting base (21) is located on the right side of the second clamping assembly (3), the outer side of the mounting base (21) is rotatably connected to a connecting ring (22), the left side of the mounting base (21) is provided with a hexagonal rotating shaft (23), the inner side of the connecting ring (22) is threadedly connected to a connecting post (25), the outer side of the hexagonal rotating shaft (23) is slidably connected to the inside of the connecting post (25), the outer side of the hexagonal rotating shaft (23) is provided with multiple threaded holes (24), the inner side of the outer through hole of the connecting post (25) is slidably connected to two locking bolts (26), the outer threads of the two locking bolts (26) are threadedly connected to the inner side of the threaded holes (24).

2. The adjustable scaffolding connecting fastener for construction as described in claim 1, characterized in that: The connecting assembly (4) includes a fixed seat (41), the rear side of which is disposed on the front side of the arc-shaped clamping seat b (12), and a rotating shaft (42) is rotatably connected inside the arc-shaped clamping seat b (12), and a connecting rod (43) is disposed outside the rotating shaft (42).

3. The adjustable scaffolding connecting fastener for building construction according to claim 2, characterized in that: A U-shaped plate (44) is slidably connected to the outside of the connecting rod (43). The rear side of the U-shaped plate (44) is located on the front side of the arc-shaped clamping seat a (11). A gasket (45) is provided on the outside of the connecting rod (43). The right side of the gasket (45) is in contact with the left side of the U-shaped plate (44).

4. The adjustable scaffolding connecting fastener for construction as described in claim 3, characterized in that: The connecting rod (43) is externally threaded with a fixing bolt (46), the right side of the fixing bolt (46) is in contact with the left side of the washer (45), and the connecting rod (43) is externally threaded with a wing nut (47), the right side of the wing nut (47) is in contact with the left side of the fixing bolt (46).

Citation Information

Patent Citations

  • Connecting fastener for fastener type steel pipe scaffold

    CN220058796U