Scaffold fixing piece
By designing a scaffold fixing component with a buckle and bolt limiting fit and a hook plate and a clamping plate inclined surface locking structure, the problem of difficulty in single-handed operation in high-altitude work was solved, enabling quick single-handed tightening of nuts and improving installation efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-13
AI Technical Summary
Existing scaffolding fasteners are difficult to operate with one hand during high-altitude operations, resulting in low installation efficiency and dependence on worker skill levels.
A scaffold fixing component was designed, comprising fasteners, hinges, bolts, connecting rods, hook plates, clamping plates, guide rods, and springs. Through the limiting cooperation of the fasteners and bolts, and the inclined locking structure of the hook plates and clamping plates, it is possible to tighten nuts with a tool using one hand. The spring rebound forms a mechanical interlock for rapid pre-locking.
It enables one-handed tightening of nuts, reducing operational complexity, improving installation efficiency and safety, adapting to different rod angles, and reducing the difficulties of high-altitude operations.
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Figure CN223991571U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of auxiliary equipment for building construction, and in particular to a scaffold fixing component. Background Technology
[0002] Scaffolding is a commonly used temporary support structure in construction, assembled from uprights, horizontal bars, diagonal braces, and other members, providing a platform for workers to operate at heights. To ensure the overall stability of the scaffolding, the members need to be reliably connected with fasteners to prevent loosening or displacement, thereby ensuring construction safety.
[0003] Currently, common scaffolding fasteners use a coupler-type connection method. This structure typically includes two interlocking semi-circular clamps, secured together with bolts and nuts to fasten two intersecting or buttressing members. During installation, the two clamps are fastened onto the members, and then the bolts and nuts are tightened to ensure a tight fit between the clamps and the members.
[0004] Although there are portable electric or pneumatic tools available in the technology for quickly tightening nuts, there are still many inconveniences in actual operation: because the screw is easy to rotate during the tightening process, workers often need to hold the bolt with one hand and operate the tool with the other hand. However, the human body is less stable when working at heights, making it difficult to operate with both hands. If one tries to operate with one hand, it is difficult to control the bolt and the tool at the same time, resulting in low installation efficiency and dependence on the worker's skill level. Utility Model Content
[0005] The technical problem to be solved by this utility model is the difficulty of one-handed operation. It provides a scaffold fixing component to solve the above problem.
[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a scaffold fixing component, including a fastener, a hinge, a bolt, a connecting rod, a hook plate, a clamping plate, a guide rod, and a first spring. The fastener is a semi-circular arc-shaped clamping plate. Two fasteners form a complete fixing component. The two fixing components are connected by a connecting rod. One end of the two fasteners is rotatably connected to each other by a hinge. The other end of one fastener is rotatably connected to a bolt, and both ends of the fastener are connected to two guide rods. A clamping plate is slidably connected to the same end of the guide rod. The clamping plate is slidably connected inside the fastener. The bolt is limited to the other fastener by a nut. The other fastener is connected to a hook plate on its side. The hook plate is limited to the clamping plate. A first spring is sleeved on the guide rod. One end of the first spring is connected to the fastener, and the other end is connected to the clamping plate.
[0007] A further preferred embodiment of this utility model is: it also includes a universal joint, and a universal joint is provided between the connecting rods connected by the two fixing members. One end of the connecting rod is fixedly connected to the universal joint, and the other end of the connecting rod is connected to the universal joint ball joint.
[0008] A further preferred embodiment of this utility model is: it also includes torsion springs, with torsion springs sleeved at both ends of the hinge, and the two ends of the torsion springs being fixedly connected to two fasteners that are rotatably connected to each other.
[0009] A further preferred embodiment of this utility model is: it also includes a top rod and a second spring, a plurality of top rods are slidably connected to the inner side of the fastener, a plurality of second springs are provided inside the fastener, one end of the second spring is connected to the top rod, and the other end is connected to the fastener.
[0010] A further preferred embodiment of this utility model is: it also includes a hook, and the side of the fastener that is not connected to the connecting rod is connected to a hook.
[0011] A further preferred embodiment of this utility model is: it also includes a gasket, the inside of the fastener is connected to the gasket, and the top rod passes through the gasket.
[0012] A further preferred embodiment of this utility model is: it also includes a protective sleeve, and the portion of the card plate that passes through the fastener is fitted with the protective sleeve.
[0013] A further preferred embodiment of this utility model is: it also includes a buckle, and the buckle is connected in the middle of the fastener without the bolt, and the buckle is matched with the bolt for limiting.
[0014] Compared with the prior art, the advantages of this utility model are: by using the limiting cooperation between the buckle and the bolt, the buckle temporarily fixes the bolt head, preventing it from rotating freely when tightening the nut, thus realizing the function of tightening the nut with one hand; through the inclined locking structure of the hook plate and the clamping plate, the hook plate pushes the clamping plate to slide along the guide rod, and the first spring rebounds to form a mechanical interlock, realizing the function of quick pre-locking of the fastener, thereby reducing the complexity of operation. Attached Figure Description
[0015] The present invention will be further described in detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present invention. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a cross-sectional view of the present invention, and a three-dimensional structural schematic diagram of the torsion spring and hinge.
[0018] Figure 3 This is a three-dimensional structural diagram of the switch, motor, and lead screw of this utility model;
[0019] Figure 4This is a three-dimensional structural diagram of the push rod, the second spring, and the universal joint of this utility model.
[0020] In the diagram: 1. Fastener, 2. Hinge, 3. Bolt, 4. Connecting rod, 5. Universal joint, 6. Hook plate, 7. Clamping plate, 71. Guide rod, 8. First spring, 9. Torsion spring, 10. Top rod, 11. Second spring, 12. Hook, 13. Washer, 14. Protective sleeve, 15. Buckle. Detailed Implementation
[0021] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.
[0022] It should be noted that similar labels in the following figures indicate similar items; therefore, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
[0023] This embodiment mainly describes the structure of the scaffold fixing components, as detailed below:
[0024] A type of scaffold fixing component, such as Figures 1-4 As shown, the device includes a fastener 1, a hinge 2, a bolt 3, a connecting rod 4, a hook plate 6, a clamping plate 7, a guide rod 71, and a first spring 8. The fastener 1 is a semi-circular arc-shaped clamping plate. Two fasteners 1 are connected by a hinge 2 to form a fixing member. The two fixing members are connected by a connecting rod 4. One end of each fastener 1 is connected to the other via the hinge 2. The worker fastens the two semi-circular arc-shaped clamping plates onto the member. The hinge 2 allows the two fasteners 1 to rotate relative to each other. A bolt 3 is rotatably connected to the other end of one fastener 1, and two guide rods 71 are connected to both ends of this fastener 1. The guide rods 71 on the same end... A sliding plate 7 is connected to the upper part of the fastener 1. The bolt 3 is engaged with another fastener 1 via a nut. A hook plate 6 is connected to the side of the other fastener 1. The hook plate 6 is engaged with the locking plate 7. When fastened, the hook plate 6 contacts the inclined surface of the locking plate 7, pushing the locking plate 7 to slide inward along the guide rod 71, compressing the first spring 8. After the hook plate 6 passes the locking plate 7, the first spring 8 rebounds, causing the locking plate 7 to engage with the groove of the hook plate 6, achieving initial positioning. The first spring 8 is sleeved on the guide rod 71, with one end connected to the fastener 1 and the other end connected to the locking plate 7. The worker rotates the bolt 3 with one hand to make it pass through the reserved hole of the other fastener 1, and then tightens the nut with a tool to completely press the rod with both fasteners 1. At this time, the locking plate 7 and the hook plate 6 remain locked to prevent loosening.
[0025] like Figure 3As shown, it also includes a universal joint 5. A universal joint 5 is installed between the two connecting rods 4 that are connected by two fixed components. One end of the connecting rod 4 is fixedly connected to the universal joint 5, and the other end of the connecting rod 4 is ball-jointed to the universal joint 5. When the two rods do not intersect perpendicularly, the universal joint 5 allows the connecting rod 4 to be adjusted at multiple angles in three-dimensional space, avoiding installation difficulties caused by rigid connections. Workers can adjust the angle of the connecting rod 4 with one hand to adapt to different rod angles.
[0026] like Figure 3 As shown, it also includes a torsion spring 9. The hinge 2 is fitted with torsion springs 9 at both ends, and the two ends of the torsion spring 9 are respectively fixedly connected to two fasteners 1 that are rotatably connected to each other.
[0027] like Figure 3 As shown, it also includes push rods 10 and second springs 11. Several push rods 10 are slidably connected to the inner side of the fastener 1, and several second springs 11 are provided inside the fastener 1. One end of the second spring 11 is connected to the push rod 10, and the other end is connected to the inside of the fastener 1. When fastened, the push rod 10 is compressed inward by the rod, compressing the second spring 11, so that the inner wall of the clamping plate tightly fits the rods of different diameters, increasing the friction. After fastening, the second spring 11 continues to apply pressure to prevent vibration from loosening.
[0028] like Figure 1 As shown, it also includes a hook 12. The side of the fastener 1 that is not connected to the connecting rod 4 is connected to the hook 12. Workers can hang unused fasteners on the scaffolding or belt through the hook 12 for easy access during high-altitude operations and reduce repeated climbing.
[0029] like Figure 2 As shown, it also includes a washer 13. The inner side of the fastener 1 is connected to the washer 13. The top rod 10 passes through the washer 13. The washer 13 increases the contact area between the top rod 10 and the rod to prevent relative sliding; at the same time, it protects the surface of the rod to avoid scratches.
[0030] like Figure 1 As shown, it also includes a protective sleeve 14. The protective sleeve 14 is fitted over the part of the clamping plate 7 that passes through the fastener 1. It covers the exposed part of the clamping plate 7 to prevent mud and sand from entering the gap of the guide rod 71, ensuring that the clamping plate 7 slides smoothly and does not rust after long-term use.
[0031] like Figure 2 As shown, it also includes a buckle 15. The buckle 15 is connected in the middle of the fastener 1 that is not connected to the bolt 3. The buckle 15 is in a limiting fit with the bolt 3. Before tightening the nut, the buckle 15 temporarily locks the head of the bolt 3 to prevent it from rotating freely. The worker can operate the tool with one hand to tighten it without the need for additional fixing of the bolt 3.
[0032] During installation, the worker aligns the fastener 1 with the scaffold member and inserts it. The top rod 10 automatically abuts against the member under the push of the second spring 11, and the inner pad 13 then fits tightly against the surface of the member, forming an initial anti-slip. Then, the worker holds both ends of the fastener 1 and pushes them towards the middle. The inclined surface of the locking plate 7 touches the edge of the hook plate 6. With continuous pressure, the locking plate 7 slides inward along the guide rod 71, and the first spring 8 is gradually compressed. When the locking plate 7 slides past the top of the hook plate 6, the first spring 8 quickly rebounds, causing the locking plate 7 to embed into the bend of the hook plate 6, making a "click" locking sound. At this time, the ends of the two fasteners 1 are initially engaged, but there is still an adjustment gap.
[0033] When adjusting the angle of fastener 1, the torsion spring 9 generates a reverse force due to torsion, while the locking of the clamping plate 7 and the hook plate 6 maintains the relative position of fastener 1. Then, rotate the bolt 3 so that it passes through the reserved hole of the other fastener 1. The buckle 15 automatically locks the head of the bolt 3 to prevent slippage, freeing up the hand to hold a power tool to quickly tighten the nut. As the nut is tightened, the top rod 10 continues to retract under the pressure of the rod, the second spring 11 is further compressed, the torsion spring 9 torsional angle increases, and the hook plate 6 and the clamping plate 7 remain engaged during sliding. Finally, cover the exposed part of the clamping plate 7 with a protective sleeve 14 to prevent sand and dust from entering. Repeat the same steps for the other rod to complete the overall fixation.
[0034] During disassembly, the worker first uses tools to remove the nut, then rotates the bolt 3 in the opposite direction to disengage it from the clip 15, easily removing the protective sleeve 14. Simultaneously, both thumbs press down on the two side plates 7, causing them to move inward along the guide rod 71 and disengage from the hook plate 6. The torsion spring 9 instantly releases its elasticity, causing the two fasteners 1 to spring open and separate. After releasing the plate 7, the first spring 8 pushes it back to its original position; when removing the fastener 1, the second spring 11 pushes the top rod 10 to reset, and the rod immediately disengages.
[0035] During operation, workers can hang multiple fasteners on hooks 12 around their waist for easy access. Protective covers 14 always seal the gaps in the clamping plates 7, preventing the mechanism from jamming due to high-altitude winds, sand, or rain, thus significantly improving disassembly and assembly efficiency and safety.
[0036] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0037] The foregoing has provided a detailed description of a scaffold fixing component provided by this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are merely for the purpose of helping to understand this utility model and its core ideas. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A scaffold fixing member characterised in that: The utility model provides a fixing device, including fastener (1), hinge (2), bolt (3), connecting rod (4), hook plate (6), clamping plate (7), guide rod (71) and first spring (8), fastener (1) is half circular arc clamping plate, two fastener (1) constitute a complete fixing device, and the connecting rod (4) is connected between two fixing devices, and one end of two fastener (1) is rotatably connected each other through hinge (2), and the other end of one fastener (1) rotatably connects bolt (3), and the both ends of the fastener (1) are connected with two guide rods (71), and the same end guide rod (71) is slidably connected with clamping plate (7), and clamping plate (7) is slidably connected in the fastener (1), and bolt (3) is limitedly matched with the other fastener (1) through nut, and the side of the other fastener (1) is connected with hook plate (6), and hook plate (6) is limitedly matched with clamping plate (7), and first spring (8) is sleeved on guide rod (71), and one end of first spring (8) is connected with fastener (1), and the other end is connected with clamping plate (7).
2. A scaffold fitting according to claim 1, wherein: It also includes universal joint (5), and the connecting rod (4) connected between two fixing devices is provided with universal joint (5), and one end of connecting rod (4) is fixedly connected with universal joint (5), and the other end of connecting rod (4) is ball hinge connected with universal joint (5).
3. A scaffold fitting according to claim 2, wherein: It also includes torsion spring (9), and torsion spring (9) is sleeved on both ends of hinge (2), and both ends of torsion spring (9) are fixedly connected with two fastener (1) rotatably connected each other.
4. A scaffold fitting according to claim 3, wherein: It also includes jacking rod (10) and second spring (11), and several jacking rods (10) are slidably connected in the inside of fastener (1), and several second springs (11) are arranged in the fastener (1), and one end of second spring (11) is connected with jacking rod (10), and the other end is connected in the fastener (1).
5. A scaffold fitting according to claim 4, wherein: It also includes hook (12), and the side of the fastener (1) not connected with connecting rod (4) is connected with hook (12).
6. A scaffold fitting according to claim 5, wherein: It also includes gasket (13), and gasket (13) is connected in the inside of fastener (1), and jacking rod (10) passes through gasket (13).
7. A scaffold fitting according to claim 6, wherein: It also includes protective sleeve (14), and protective sleeve (14) is sleeved on part of clamping plate (7) passing through fastener (1).
8. A scaffold fitting according to claim 7, wherein: It also includes buckle (15), and buckle (15) is connected in the middle of the fastener (1) not connected with bolt (3), and buckle (15) is limitedly matched with bolt (3).