Scaffold wall connecting piece

Abstract

The utility model relates to the technical field of scaffolds, and particularly discloses a scaffold wall connecting piece. The clamping device comprises a pair of clamping assemblies which are symmetrically arranged, the clamping assemblies are clamped on the left side and the right side of a lower wing plate of the I-shaped steel respectively, and first through holes which are coaxially and correspondingly formed are formed in the clamping assemblies. The first adjusting screw rod is horizontally arranged and penetrates through the first through holes of the two clamping assemblies, and the clamping assemblies can horizontally slide in the axial direction of the first adjusting screw rod; and the first fastening nuts are in threaded fit with the first adjusting screw rod, the first fastening nuts are arranged in pairs and abut against the inner side wall and the outer side wall of the clamping assembly correspondingly, and the first fastening nuts are used for fixing the clamping assembly to the preset position on the first adjusting screw rod. Stepless adjustment in the horizontal direction is achieved through sliding fit of the first adjusting screw rod and the clamping assembly, the adjusting range is determined by the length of the first adjusting screw rod, and when the width of the lower wing plate of the I-shaped steel exceeds the adjustable range of the first adjusting screw rod, the first adjusting screw rod with the longer length can be replaced to correspond to the current working condition.

Description

Technical Field

[0001] This utility model relates to the field of scaffolding technology, and more specifically, to a scaffolding wall tie. Background Technology

[0002] During the construction process, the erection of external scaffolding is essential. It mainly serves to protect safety and facilitate construction workers' operations at different heights. The scaffolding must be securely connected to the main structure.

[0003] Wall ties for steel structure external scaffolding are usually connected to I-beams. The clamps of the wall ties are connected to both sides of the lower flange of the I-beam. Existing scaffolding wall ties correspond to different thicknesses and widths of the lower flange of the I-beam. Adjustment structures are set inside each clamp and between two clamps to adjust and fix the connection. However, due to the limitations of the clamps and adjustment structures themselves, the adjustment can only be made within a certain range. When the width and thickness of the lower flange of the I-beam exceed the adjustment range, its applicability is poor. Summary of the Invention

[0004] This utility model provides a scaffolding wall tie that can overcome some or more defects of the prior art.

[0005] According to the present invention, a scaffolding wall tie includes a pair of symmetrically arranged snap-fit ​​components, which are respectively clamped on the left and right sides of the lower flange of the I-beam, and each snap-fit ​​component is provided with a coaxially corresponding first through hole.

[0006] The first adjusting screw is horizontally positioned and passes through the first through hole of the two snap-fit ​​components, and the snap-fit ​​components can slide horizontally along the axial direction of the first adjusting screw.

[0007] The first fastening nut is threadedly engaged with the first adjusting screw. The first fastening nuts are arranged in pairs and respectively abut against the inner and outer side walls of the snap-fit ​​assembly. The first fastening nuts are used to fix the snap-fit ​​assembly at a predetermined position on the first adjusting screw.

[0008] Through this invention, the sliding engagement of the first adjusting screw and the snap-fit ​​assembly enables stepless horizontal adjustment. The adjustment range is determined by the length of the first adjusting screw. When the width of the lower flange of the I-beam exceeds the adjustable range of the first adjusting screw, a longer first adjusting screw can be used to address the current working condition. The snap-fit ​​assembly can slide horizontally along the first adjusting screw and be secured with a nut, enabling rapid position adjustment without complex operations or cutting the I-beam. The paired first fastening nuts abut against the inner and outer walls of the snap-fit ​​assembly, forming a bidirectional locking force to prevent loosening due to vibration or load. The design significantly improves fixing reliability, and the symmetrical structure avoids stress concentration on one side, protecting the I-beam flanges from local deformation or damage. Through snap-fit ​​components and different lengths of first adjusting screws, the number of accessories is reduced; only different first adjusting screws need to be replaced to replace traditional multi-specification clamps. The universal design is compatible with various I-beam specifications, reducing the cost of purchasing different models of wall ties, making it more economical. During use, installation can be completed simply by adjusting the screws and nuts, eliminating welding or complex assembly steps, shortening construction time. The components remain undamaged after disassembly, making it suitable for multiple reuses and reducing construction costs.

[0009] Preferably, the connection between the snap-fit ​​assembly and the lower flange of the I-beam is provided with a mounting cavity for placing the lower flange of the I-beam, and the mounting cavity is located inside the cavity and mates with the connection between the lower flange of the I-beam.

[0010] This invention provides a dedicated space for the lower flange of the I-beam. By matching the shape of the cavity with that of the lower flange, precise positioning is achieved. The cavity acts as a guide groove, allowing workers to simply insert the lower flange into the cavity to complete the initial fixation without repeatedly adjusting the position of the snap-fit ​​components, significantly shortening the installation time and reducing installation deviations. The cavity wraps around the edge of the flange, increasing the contact area and effectively dispersing shear force, ensuring a stable connection between the scaffolding and the I-beam.

[0011] Preferably, the snap-fit ​​assembly includes a separate fixing component and an adjusting component. The fixing component is located at the bottom of the lower flange of the I-beam, and the adjusting component is located at the upper part of the lower flange of the I-beam. The fixing component and the adjusting component are connected by at least two parallel second adjusting screws. Both the fixing component and the adjusting component have second through holes that cooperate with the second adjusting screws. The second adjusting screws are vertically arranged, and the fixing component and the adjusting component can slide vertically along the axial direction of the second adjusting screws.

[0012] This invention allows the fixing and adjusting components to slide along the second adjusting screw, enabling flexible vertical adjustment. It can accommodate I-beam lower flanges of different thicknesses, solving the problem of loose clamping or inability to install traditional wall ties due to differences in flange thickness. At least two parallel second adjusting screws form multi-point support, evenly distributing the load, reducing the risk of stress concentration in single-screw structures, and improving shear and torsional resistance. The fixing and adjusting components can be pre-installed on the I-beam via the second adjusting screws, simplifying high-altitude operations. If a local component is damaged, such as the adjusting component, it can be disassembled and replaced individually without discarding the entire wall tie, reducing maintenance costs.

[0013] Preferably, the upper surface of the fastener has a first mating surface that adapts to the profile of the lower flange of the I-beam, and the lower surface of the adjusting member has a second mating surface that is symmetrical to the first mating surface. The first mating surface and the second mating surface together enclose and form an installation cavity that matches the lower flange of the I-beam.

[0014] With this invention, the first and second mating surfaces fit snugly against the contour of the lower flange of the I-beam, reducing the clamping gap, achieving precise positioning, and providing a better installation effect. The matching contour of the mounting cavity guides the I-beam to be quickly embedded, reducing manual adjustment time and improving the efficiency of high-altitude operations. By replacing the fixing and adjusting parts with different curvatures and sizes, it can adapt to I-beams with different flange contours such as those conforming to national standards and American standards, reducing the customization cost of wall ties.

[0015] Preferably, the second adjusting screw is provided with two second fastening nuts, one of which abuts against the lower surface of the fixing member and the other of which abuts against the upper surface of the adjusting member, forming a vertical clamping area between the two second fastening nuts for clamping the fixing member and the adjusting member.

[0016] This invention utilizes two second fastening nuts to apply clamping forces from below the fixing component and above the adjusting component, respectively, forming symmetrical compression. This eliminates the internal force imbalance caused by traditional single-sided nut locking, improving clamping stability. The vertical clamping area has bidirectional compressive forces that mutually restrain each other. Even under high-frequency vibration or wind loads, the second fastening nuts remain locked, preventing wall tie failure due to unilateral loosening. Adjusting the second fastening nut on the second adjusting screw with a torque wrench allows for precise control of the clamping force, preventing excessive compression that could deform the I-beam or insufficient clamping force that could lead to slippage. During use, the second fastening nut below the fixing component can be pre-tightened for initial positioning, and then the second fastening nut above the adjusting component can be adjusted to complete the final locking, simplifying high-altitude operation procedures.

[0017] Preferably, one end of the first adjusting screw is provided with a disc buckle connection part that connects to the upright of the disc buckle scaffold.

[0018] With this invention, the disc buckle connector can be directly inserted into or locked into the reserved hole of the disc buckle scaffold upright without the need for additional adapters, eliminating the structural weaknesses caused by traditional fastener fixing, making it faster, safer and more reliable, and in compliance with existing specifications. Attached Figure Description

[0019] Figure 1 Schematic diagram of scaffold wall ties;

[0020] Figure 2 This is a schematic diagram of the snap-fit ​​assembly;

[0021] Figure 3 This is a side view diagram of a wall tie for scaffolding.

[0022] Figure 4 A schematic diagram of the snap-fit ​​assembly for disassembling the second adjusting screw;

[0023] Figure 5 This is a schematic diagram of a snap-fit ​​assembly without a second adjusting screw. Detailed Implementation

[0024] To further understand the content of this utility model, a detailed description of the utility model is provided in conjunction with the embodiments. It should be understood that the embodiments are merely illustrative and not limiting of the utility model.

[0025] Example 1

[0026] like Figure 1-5 As shown, this embodiment provides a scaffolding wall tie, which includes a pair of symmetrically arranged snap-fit ​​components 110, which are respectively clamped on the left and right sides of the lower flange 120 of the I-beam. Each snap-fit ​​component 110 is provided with a coaxially corresponding first through hole 210.

[0027] The first adjusting screw 130 is horizontally positioned and passes through the first through hole 210 of the two snap-fit ​​components 110. The snap-fit ​​components 110 can slide horizontally along the axial direction of the first adjusting screw 130.

[0028] The first fastening nut 140 is threadedly engaged with the first adjusting screw 130. The first fastening nuts 140 are arranged in pairs and respectively abut against the inner and outer side walls of the snap-fit ​​assembly 110. The first fastening nuts 140 are used to fix the snap-fit ​​assembly 110 at a predetermined position on the first adjusting screw 130.

[0029] In this embodiment, the sliding engagement between the first adjusting screw 130 and the snap-fit ​​assembly 110 achieves stepless adjustment in the horizontal direction. The adjustment range is determined by the length of the first adjusting screw 130. When the width of the lower flange 120 of the I-beam exceeds the adjustable range of the first adjusting screw 130, a longer first adjusting screw 130 can be used to address the current working condition. The snap-fit ​​assembly 110 can slide horizontally along the first adjusting screw 130, and with the nut for fixation, rapid position adjustment is achieved without complex operations or cutting the I-beam. The paired first fastening nuts 140 abut against the inner and outer walls of the snap-fit ​​assembly 110, forming a bidirectional locking force to prevent… The design significantly improves the reliability of the fixation, preventing loosening caused by vibration or load. The symmetrical structure avoids stress concentration on one side, protecting the I-beam flanges from local deformation or damage. The design of the snap-fit ​​assembly 110 and the first adjusting screws 130 of different lengths reduces the types of accessories. Only different first adjusting screws 130 need to be replaced to replace traditional clamps of various specifications. The universal design is compatible with various I-beam specifications, reducing the cost of purchasing different models of wall ties, making it more economical. During use, only adjusting the screws and nuts is required to complete the installation, eliminating welding or complex assembly steps, shortening construction time. The components are undamaged after disassembly, making them suitable for multiple reuses and reducing construction costs.

[0030] In this embodiment, the connection between the snap-fit ​​assembly 110 and the lower flange 120 of the I-beam is provided with an installation cavity 220 for placing the lower flange 120 of the I-beam. The installation cavity 220 and the connection between the lower flange 120 of the I-beam are located inside the cavity.

[0031] In this embodiment, the mounting cavity 220 provides a dedicated space for the lower flange 120 of the I-beam. By matching the shape of the cavity with that of the lower flange 120 of the I-beam, precise positioning is achieved. The mounting cavity 220 serves as a guide groove, allowing workers to simply insert the lower flange 120 of the I-beam into the cavity to complete the initial fixation without repeatedly adjusting the position of the snap-fit ​​component 110, thus significantly shortening the installation time and reducing installation deviations. The cavity wraps around the edge of the flange, increasing the contact area and effectively dispersing shear force, ensuring a stable connection between the scaffolding and the I-beam.

[0032] In this embodiment, the snap-fit ​​assembly 110 includes a separate fixing member 230 and an adjusting member 240. The fixing member 230 is located at the bottom of the lower flange 120 of the I-beam, and the adjusting member 240 is located at the upper part of the lower flange 120 of the I-beam. The fixing member 230 and the adjusting member 240 are connected by at least two parallel second adjusting screws 250. Both the fixing member 230 and the adjusting member 240 are provided with second through holes 310 that cooperate with the second adjusting screws 250. The second adjusting screws 250 are vertically arranged, and the fixing member 230 and the adjusting member 240 can slide vertically along the axial direction of the second adjusting screws 250.

[0033] In this embodiment, the fixing member 230 and the adjusting member 240 slide along the second adjusting screw 250 to achieve flexible vertical adjustment, which can be adapted to the lower flange 120 of the I-beam with different thicknesses, solving the problem of loose clamping or inability to install traditional wall ties due to differences in flange thickness; at least two parallel second adjusting screws 250 form multi-point support, evenly distribute the load, reduce the risk of stress concentration in single screw structures, and improve shear and torsional resistance; the fixing member 230 and the adjusting member 240 can be pre-installed on the I-beam through the second adjusting screw 250, simplifying the high-altitude operation steps; if a part is damaged, such as the adjusting member 240, it can be disassembled and replaced separately without discarding the entire wall tie, reducing maintenance costs.

[0034] In this embodiment, the upper surface of the fixing member 230 is formed with a first mating surface 410 that adapts to the contour of the lower flange 120 of the I-beam, and the lower surface of the adjusting member 240 is formed with a second mating surface 420 that is symmetrical to the first mating surface 410. The first mating surface 410 and the second mating surface 420 together enclose and form an installation cavity 220 that matches the lower flange 120 of the I-beam.

[0035] In this embodiment, the first mating surface 410 and the second mating surface 420 fit snugly against the contour of the lower flange 120 of the I-beam, reducing the clamping gap, achieving precise positioning, and providing a better installation effect. The matching contour of the mounting cavity 220 guides the I-beam to be quickly embedded, reducing manual adjustment time and improving the efficiency of high-altitude operations. By replacing the fasteners 230 and adjusting parts 240 with different curvatures and sizes, it can adapt to I-beams with different flange contours such as those conforming to national standards and American standards, reducing the customization cost of wall ties.

[0036] In this embodiment, the second adjusting screw 250 is provided with two second fastening nuts 320, one of which abuts against the lower surface of the fixing member 230 and the other of which abuts against the upper surface of the adjusting member 240. A vertical clamping area 330 for clamping the fixing member 230 and the adjusting member 240 is formed between the two second fastening nuts 320.

[0037] In this embodiment, two second fastening nuts 320 apply clamping forces from below the fixing member 230 and above the adjusting member 240 respectively, forming symmetrical compression, eliminating the internal force imbalance when locking a nut on one side in the traditional way, and improving clamping stability; the vertical clamping area 330 has bidirectional clamping forces that restrain each other, so that the second fastening nuts 320 can still maintain a locked state under high-frequency vibration or wind load, avoiding failure of the wall tie due to loosening on one side; by adjusting the second fastening nuts 320 on the second adjusting screw 250 with a torque wrench, the clamping force can be precisely controlled to avoid excessive compression causing deformation of the I-beam or insufficient clamping force causing slippage; during use, the second fastening nuts 320 below the fixing member 230 can be pre-tightened for initial positioning, and then the second fastening nuts 320 above the adjusting member 240 can be adjusted to complete the final locking, simplifying the high-altitude operation process.

[0038] In this embodiment, one end of the first adjusting screw 130 is provided with a disc buckle connecting part 160 connected to the disc buckle scaffold upright 150.

[0039] In this embodiment, the disc buckle connector 160 can be directly inserted into or locked into the reserved hole of the disc buckle scaffold upright 150 without the need for additional adapters, eliminating the structural weaknesses caused by traditional fastener fixing, making it faster, safer and more reliable, and in compliance with existing specifications.

[0040] It is readily understood that those skilled in the art can combine, split, or reorganize the embodiments provided in this application to obtain other embodiments, all of which do not exceed the protection scope of this application.

[0041] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the embodiments shown are only part of the embodiments of the present invention. The actual structure is not limited to this. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A scaffolding wall tie, characterized in that: It includes a pair of symmetrically arranged snap-fit ​​components (110), which are respectively clamped on the left and right sides of the lower flange (120) of the I-beam, and each snap-fit ​​component (110) is provided with a coaxially corresponding first through hole (210). The first adjusting screw (130) is horizontally positioned and passes through the first through hole (210) of the two snap-fit ​​components (110). The snap-fit ​​components (110) can slide horizontally along the axial direction of the first adjusting screw (130). The first fastening nut (140) is threadedly engaged with the first adjusting screw (130). The first fastening nuts (140) are arranged in pairs and respectively abut against the inner and outer side walls of the snap-fit ​​assembly (110). The first fastening nuts (140) are used to fix the snap-fit ​​assembly (110) at a predetermined position on the first adjusting screw (130).

2. A scaffolding wall tie according to claim 1, characterized in that: The connection between the snap-fit ​​assembly (110) and the lower flange (120) of the I-beam is provided with an installation cavity (220) for placing the lower flange (120) of the I-beam. The connection between the installation cavity (220) and the lower flange (120) of the I-beam is located inside the cavity.

3. A scaffolding wall tie according to claim 2, characterized in that: The snap-fit ​​assembly (110) includes a separate fixing member (230) and an adjusting member (240). The fixing member (230) is located at the bottom of the lower flange (120) of the I-beam, and the adjusting member (240) is located at the upper part of the lower flange (120) of the I-beam. The fixing member (230) and the adjusting member (240) are connected by at least two parallel second adjusting screws (250). Both the fixing member (230) and the adjusting member (240) are provided with second through holes (310) that cooperate with the second adjusting screws (250). The second adjusting screws (250) are vertically arranged, and the fixing member (230) and the adjusting member (240) can slide vertically along the axial direction of the second adjusting screws (250).

4. A scaffolding wall tie according to claim 2 or 3, characterized in that: The upper surface of the fastener (230) is formed with a first mating surface (410) that is adapted to the contour of the lower flange (120) of the I-beam, and the lower surface of the adjusting member (240) is formed with a second mating surface (420) that is symmetrical to the first mating surface (410). The first mating surface (410) and the second mating surface (420) together enclose and form an installation cavity (220) that matches the lower flange (120) of the I-beam.

5. A scaffolding wall tie according to claim 2 or 3, characterized in that: The second adjusting screw (250) is provided with two second fastening nuts (320), one of which abuts against the lower surface of the fixing member (230) and the other of which abuts against the upper surface of the adjusting member (240). A vertical clamping area (330) is formed between the two second fastening nuts (320) for clamping the fixing member (230) and the adjusting member (240).

6. A scaffolding wall tie according to claim 1, characterized in that: One end of the first adjusting screw (130) is provided with a disc buckle connection part (160) that is connected to the disc buckle scaffold upright (150).

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