A corrosion-resistant steel pipe scaffolding coupling

Abstract

This utility model relates to a corrosion-resistant steel pipe scaffolding coupling, comprising two engaging parts and two nuts. The two engaging parts are rotated 180° relative to each other, and their opposing sides are interlocked. The two nuts respectively engage with the two engaging parts for connection and fixation. Each engaging part includes a base block, the outer wall of which is coated with a corrosion-resistant coating, which is a fusion-bonded epoxy powder coating. A placement groove is formed in the middle of the base block. Through the coordinated arrangement of the engaging parts, nuts, and rubber pads, this steel pipe scaffolding coupling allows for flexible adjustment during use, enabling the steel pipes of the scaffolding to be assembled in the same direction with greater stability. Furthermore, it reduces corrosion of the coupling itself and the steel pipe portion connected to it, thus extending the service life of the scaffolding.

Description

Technical Field

[0001] This utility model relates to the field of scaffolding technology, specifically to a corrosion-resistant steel pipe scaffolding connecting coupler. Background Technology

[0002] In construction, steel pipe scaffolding is used for construction. The steel pipes of the scaffolding are usually assembled and fixed using butt couplers, right-angle couplers, and swivel couplers. Among them, butt couplers can support and connect two coaxial steel pipes, allowing the scaffolding steel pipes to extend axially.

[0003] Traditional steel pipe scaffolding couplings mainly consist of a coupling seat and a coupling cover hinged together. After the two steel pipes to be coupled are inserted between the coupling seat and the coupling cover, they can be rotated and fastened together. Finally, they are fixed with fasteners, so that the coupling seat and the coupling cover clamp the steel pipe between them.

[0004] However, traditional steel pipe scaffolding couplings have the following problems: some reusable steel pipes in scaffolding may experience wear and deformation due to collisions with materials or tools during scaffolding use. When steel pipe scaffolding couplings are used to extend and connect two steel pipes, the connection between the couplings and the scaffolding steel pipes may be unstable due to changes in the ends of the steel pipes, corrosion, etc. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This utility model provides a corrosion-resistant steel pipe scaffolding connecting coupler, which solves the problems mentioned in the background art.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant steel pipe scaffolding coupling, comprising two coupling parts and two nuts, wherein the two coupling parts are rotated 180° relative to each other, and the opposing sides of the two coupling parts are interlocked, and the two nuts are respectively engaged with the two coupling parts for connection and fixation. Each coupling part includes a base block, and a corrosion-resistant coating is sprayed on the outer wall of the base block, wherein the corrosion-resistant coating is a fusion-bonded epoxy powder coating. A placement groove is formed in the middle of the base block, and clearance grooves and a flat platform are formed on both sides of the placement groove, and a slot penetrating the clearance groove is formed on the inner wall of the clearance groove. A threaded post is provided on the flat platform and is fixedly connected to the flat platform. The axial directions of the threaded post and the slot are parallel to each other, and the distance between the center of the threaded post and the slot and the center of the placement groove is equal.

[0009] Preferably, the diameter of the slot is greater than the diameter of the threaded post and less than the inner diameter of the nut, and each nut is fitted onto a threaded post and threadedly connected to it.

[0010] In a further preferred embodiment, the corrosion-resistant steel pipe scaffolding coupling also includes a rubber pad, which is disposed between two placement slots and is formed from a sheet into a cylindrical shape. The interior of the rubber pad forms an inner groove for steel pipe coupling, and two protrusions are formed on the outer wall of the rubber pad. A positioning groove is formed in the middle of the placement slot, and the protrusions are inserted into the adjacent positioning grooves and locked in place. The width of the rubber pad and the length of the protrusions are adapted to the width of the base block.

[0011] (III) Beneficial Effects

[0012] Compared with the prior art, this utility model provides a corrosion-resistant steel pipe scaffolding connecting coupler, which has the following beneficial effects:

[0013] In this utility model, the combination of the fastening part, nut and rubber pad allows the steel pipe scaffolding connecting coupler to be flexibly adjusted for scaffolding steel pipes to be connected and assembled in the same direction, making the connection more stable. On the other hand, it can also reduce the corrosion of the steel pipe scaffolding connecting coupler itself and the steel pipe part connected to it, thereby improving the service life of the scaffolding. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of the corrosion-resistant steel pipe scaffolding connecting coupler according to the implementation plan;

[0015] Figure 2 This is a structural schematic diagram of the fastening part according to the implementation plan;

[0016] Figure 3 This is a schematic diagram of the structure of the rubber pad according to the implementation plan.

[0017] In the diagram: 10. Fastening part; 11. Base block; 12. Placement groove; 121. Positioning groove; 13. Clearance groove; 14. Slot; 15. Flat platform; 16. Threaded post; 20. Nut; 30. Rubber pad; 31. Raised strip; 32. Steel pipe connecting groove. Detailed Implementation

[0018] 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.

[0019] Please see Figure 1 A corrosion-resistant steel pipe scaffolding coupling includes two engaging parts 10, two nuts 20, and a rubber pad 30. The two engaging parts 10 are identical in shape and size and are rotated 180° relative to each other during use, allowing them to be inserted together facing each other. Next, a rubber pad 30, cut to a suitable thickness, width, and length, is formed into a cylindrical shape and inserted between the two engaging parts 10, ensuring that the two scaffolding steel pipes to be coupled are inserted into the rubber pad 30 from both ends. Finally, the two nuts 20 are tightened onto the two engaging parts 10 to complete the assembly and fixation.

[0020] See Figure 2 The fastening part 10 includes a base block 11, with a placement groove 12 formed in the middle of the base block 11 for use with a rubber pad 30. The base block 11 has clearance grooves 13 and a flat platform 15 formed on both sides of the placement groove 12. A slot 14 penetrating the clearance groove 13 is formed on the inner wall of the clearance groove 13, and a threaded post 16 pre-fixed to the flat platform 15 is provided. The axial directions of the threaded post 16 and the slot 14 are parallel to each other, and the distance between the center of the threaded post 16 and the center of the slot 14 and the center of the placement groove 12 is equal. Therefore, after the two fastening parts 10 are rotated 180° relative to each other, the threaded posts 16 of both can pass through the slot 14 on the other base block 11. The threaded post 16 can extend a certain length out of the slot 14, and the diameter of the slot 14 is greater than the diameter of the threaded post 16 and less than the inner diameter of the nut 20, so that the nut 20 can be screwed onto the threaded post 16 to complete the connection, and the two nuts 20 are used to limit the position of the two base blocks 11.

[0021] See Figure 3 The rubber pad 30 is pre-cut according to the inner diameter of the groove 12 at the center of the two base blocks 11 and the outer diameter of the steel pipe to be connected. The rubber pad 30 is formed from a sheet into a cylindrical shape, and the inner groove 32 formed inside the rubber pad 30 is an interference fit with the steel pipe. Two protrusions 31 are formed on the outer wall of the rubber pad 30, and a positioning groove 121 is formed in the middle of the groove 12. When the rubber pad 30 is assembled in the groove 12 at the center of the two base blocks 11, the protrusions 31 can be inserted into the adjacent positioning grooves 121 and locked in place. The width of the rubber pad 30 and the length of the protrusions 31 are adapted to the width of the base blocks 11, allowing the rubber pad 30 to completely cover the part of the steel pipe that extends into it, thereby reducing the impact of rainwater on the end of the steel pipe.

[0022] In this embodiment, a corrosion-resistant coating is sprayed onto the outer wall of the base block 11, and this corrosion-resistant coating can be a fusion-bonded epoxy powder coating. The fusion-bonded epoxy powder coating uses epoxy resin as the main film-forming substance. The powder coating is uniformly applied to the surface of the metal substrate through electrostatic spraying or fluidized bed dipping, and then baked at high temperature to melt, level, and solidify the powder to form a protective coating. The epoxy resin molecule contains stable benzene rings and ether bonds, exhibiting good resistance to chemical media such as acids, alkalis, and salts, thus mitigating the corrosive effects of the external environment on the device.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. 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 an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. Moreover, 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.

[0024] 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, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corrosion resistant steel tubular scaffold butt joint coupler, characterised in that, It includes two fastening parts (10) and two nuts (20). The two fastening parts (10) are rotated 180° relative to each other, and the opposing sides of the two fastening parts (10) are inserted into each other. The two nuts (20) are respectively engaged with the two fastening parts (10) for connection and fixation. The fastening part (10) includes a base block (11), a placement groove (12) is formed in the middle of the base block (11), a relief groove (13) and a flat platform (15) are formed on both sides of the placement groove (12), and a slot (14) is formed on the inner wall of the relief groove (13) to penetrate the relief groove (13). A threaded post (16) is provided on the flat platform (15) and is fixedly connected to the flat platform (15). The axial directions of the threaded post (16) and the slot (14) are parallel to each other, and the distance between the center of the threaded post (16) and the center of the slot (14) and the center of the placement groove (12) is equal.

2. A corrosion resistant steel tubular scaffold butt joint coupler according to claim 1, characterised in that: The diameter of the slot (14) is greater than the diameter of the threaded post (16) and less than the inner diameter of the nut (20). Each nut (20) is fitted onto a threaded post (16) and threadedly connected to it.

3. A corrosion resistant steel tubular scaffold butt joint coupler according to claim 1 or 2, characterised in that: It also includes a rubber pad (30), which is disposed between two placement grooves (12) and is formed into a cylindrical shape from a sheet. The interior of the rubber pad (30) forms a steel pipe connecting inner groove (32).

4. The corrosion-resistant steel pipe scaffolding coupling according to claim 3, characterized in that: Two protrusions (31) are formed on the outer wall of the rubber pad (30), and a positioning groove (121) is formed in the middle of the placement groove (12). The protrusions (31) are inserted into the adjacent positioning groove (121) and locked in place.

5. A corrosion resistant steel tubular scaffold butt joint fastener according to claim 4, characterised in that: The width of the rubber pad (30) and the length of the ridge strip (31) are adapted to the width of the base block (11).

6. A corrosion resistant steel tubular scaffold butt joint coupler according to claim 1, characterized in that: A corrosion-resistant coating is sprayed onto the outer wall of the base block (11), and the corrosion-resistant coating is a fusion-bonded epoxy powder coating.

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