A rust-proof and corrosion-resistant fastener

Abstract

This utility model discloses a rust-proof and corrosion-resistant fastener applied to a workpiece to be fastened. The workpiece has a mounting hole in its center, and a fastening mechanism is installed inside the mounting hole. The fastening mechanism includes a locking screw, a locking nut, a first washer, a second washer, a connecting ring, a threaded ring, and a protective cover. The locking screw is installed inside the mounting hole, and a locking nut is screwed onto its lower end via a threaded connection. The first washer is movably fitted onto the upper end of the workpiece on the surface of the locking screw, and the second washer is movably fitted onto the lower end of the workpiece on the surface of the locking screw. This utility model offers good performance. In addition to traditional coating protection, this device adds physical protection to the fastener, isolating the entire fastener from the external environment. This effectively prevents damage to the coating caused by physical impact, thus greatly improving the rust-proof and corrosion-resistant effect of the device.

Description

Technical Field

[0001] This utility model relates to the field of fastener technology, specifically to a rust-proof and corrosion-resistant fastener. Background Technology

[0002] Fasteners are common parts in existing technology and are widely used in fields such as machinery, construction, automobiles, and aerospace to achieve reliable connection and fixation of components.

[0003] The most common fastener is the bolt. In the existing technology, when improving the rust and corrosion resistance of such bolts, a special coating is generally used. A covering layer is formed on the surface of the fastener through physical or chemical methods to block the contact between the corrosive medium and the substrate. This is the core means to improve the corrosion resistance.

[0004] However, relying solely on coatings can easily damage the surface coating of emergency fasteners when they are impacted, thus affecting the overall service life of the fasteners. Therefore, an improved rust-proof and corrosion-resistant fastener is needed to address this issue. Utility Model Content

[0005] The purpose of this invention is to provide a rust-proof and corrosion-resistant fastener to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rust-proof and corrosion-resistant fastener, applied to a workpiece to be fastened, wherein a mounting hole is provided in the middle of the workpiece to be fastened, and a fastening mechanism is provided inside the mounting hole. The fastening mechanism includes a locking screw, a locking nut, a first washer, a second washer, a connecting ring, a threaded ring, and a protective cover. A locking screw is provided inside the mounting hole, and a locking nut is movably engaged at the lower end of the locking screw via a thread. A first washer is movably fitted on the surface of the locking screw at the upper end of the workpiece to be fastened, and a second washer is movably fitted on the surface of the locking screw at the lower end of the workpiece to be fastened. A connecting ring is movably engaged on the surfaces of both the first and second washers. A screw ring is fixedly provided on the outer surface of the connecting ring, and a protective cover is provided on the outer surface of the threaded ring.

[0007] Preferably, the protective cover is made of transparent plastic material. The transparent plastic material protective cover can not only provide physical protection and isolation, but also make it easy for staff to see the tightening of screws and nuts.

[0008] Preferably, both the first and second gaskets have annular grooves on their outer surfaces. These annular grooves can easily press down on the connecting ring, thereby ensuring the stability of the connecting ring.

[0009] Preferably, the connecting ring is made of rubber. After the locking screw and locking nut are tightened, the first gasket and the second gasket will tightly press the connecting ring, so that the connecting ring fits tightly between the first gasket, the second gasket and the workpiece to be fastened. This can improve the fit between the first gasket, the second gasket and the workpiece to be fastened, and effectively prevent corrosive liquid from entering between the first gasket, the second gasket and the workpiece to be fastened.

[0010] Preferably, the protective cover is movably connected by a threaded connection between a thread and a threaded ring. The threaded connection allows the protective cover to be disassembled at any time when needed, which facilitates the tightening or loosening of the locking screws and locking nuts.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model adds physical protection, which can isolate the entire fastener part from the external environment, thereby effectively preventing physical collisions from damaging the coating, thus greatly improving the rust and corrosion prevention effect of this device.

[0013] 2. This utility model is convenient and quick to use. Compared with the traditional tightening screw, it only adds a connecting ring, threaded ring and protective cover structure, which makes it easy to promote and use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a rust-proof and corrosion-resistant fastener according to the present invention;

[0015] Figure 2 This is a cross-sectional view of a rust-proof and corrosion-resistant fastener according to the present invention;

[0016] Figure 3 This is an exploded view of a rust-proof and corrosion-resistant fastener according to the present invention.

[0017] Figure 4 This utility model relates to a rust-proof and corrosion-resistant fastener. Figure 3 A bottom view;

[0018] Figure 5 This is an overall structural view of the first and second gaskets in a rust-proof and corrosion-resistant fastener according to this utility model.

[0019] In the diagram: 1. Workpiece to be fastened; 2. Mounting hole; 3. Locking screw; 4. Locking nut; 5. First washer; 6. Second washer; 7. Connecting ring; 8. Threaded ring; 9. Protective cover; 10. Annular groove. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-5 This utility model provides a technical solution: a rust-proof and corrosion-resistant fastener, applied to a workpiece 1 to be fastened. The workpiece 1 has a mounting hole 2 in its center, and a specialized fastening mechanism is installed inside the mounting hole 2 to achieve a stable and reliable fastening effect, while also possessing excellent rust-proof and corrosion-resistant properties.

[0022] The fastening mechanism consists of a locking screw 3, a locking nut 4, a first washer 5, a second washer 6, a connecting ring 7, a threaded ring 8, and a protective cover 9. The specific installation locations are as follows:

[0023] The locking screw 3 is placed inside the mounting hole 2, and its lower end is screwed into the locking nut 4 via threads.

[0024] On the surface of the locking screw 3, a first washer 5 is movably sleeved on the upper end of the workpiece 1 to be fastened; a second washer 6 is movably sleeved on the lower end of the workpiece 1 to be fastened.

[0025] Both the first gasket 5 and the second gasket 6 have a connecting ring 7 that is movably engaged. A threaded ring 8 is fixedly provided on the outer surface of the connecting ring 7, and a protective cover 9 is provided on the outer surface of the threaded ring 8.

[0026] The protective cover 9 is made of transparent plastic material. This design provides physical protection and isolation for the fasteners, effectively blocking external factors from damaging them; and its transparency allows staff to easily observe the status of the locking screws 3 and locking nuts 4 at any time, facilitating the timely detection and handling of potential problems.

[0027] Both the first gasket 5 and the second gasket 6 have annular grooves 10 on their outer surfaces. The ingenious design of these annular grooves 10 allows them to easily press down on the connecting ring 7, ensuring that the connecting ring 7 is firmly fixed and not easily loosened, thereby guaranteeing the stability of the entire fastening structure.

[0028] Connecting ring 7: Made of rubber, after the locking screw 3 and locking nut 4 are tightened, they exert a squeezing effect on the first washer 5 and the second washer 6, thereby causing the connecting ring 7 to fit tightly between the first washer 5, the second washer 6 and the workpiece 1 to be fastened. This tight fit effectively prevents corrosive liquids from penetrating into the gap between the first washer 5, the second washer 6 and the workpiece 1 to be fastened, greatly improving the rust and corrosion prevention effect.

[0029] The protective cover 9 is connected to the threaded ring 8 by means of a screw thread. This connection method is flexible and convenient. When it is necessary to tighten or loosen the locking screw 3 and the locking nut 4, the protective cover 9 can be removed at any time, which greatly facilitates the maintenance work.

[0030] Working principle: When using this device, before tightening the locking screw 3 and locking nut 4, first install the first washer 5, the second washer 6, the connecting ring 7, and the threaded ring 8. During installation, first set the upper part of the workpiece 1 to be tightened, first put the first washer 5 on the outer surface of the locking screw 3, then put on the connecting ring 7 and the threaded ring 8, then pass the locking screw 3 through the mounting hole 2, then put on the connecting ring 7 and the threaded ring 8 at the lower end of the workpiece 1 to be tightened, then put on the second washer 6, and then tighten the locking nut 4. In this way, the device can be roughly installed. Then, the protective cover 9 and the threaded ring 8 are screwed together by the thread to complete the installation of the protective cover 9. This increases physical protection and isolates the entire fastener part from the external environment, thereby effectively preventing physical collisions that could damage the coating. This can greatly improve the rust and corrosion prevention effect of this device.

[0031] Furthermore, this device is easy and quick to operate. Compared to the traditional tightening screw 3, it only adds a connecting ring 7, a threaded ring 8, and a protective cover 9, which makes it easy to promote and use.

[0032] 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.

[0033] 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 rust and corrosion resistant fastener comprising a workpiece (1) to be fastened, characterized in that: The workpiece (1) to be fastened has a mounting hole (2) in the middle. The mounting hole (2) is equipped with a fastening mechanism. The fastening mechanism includes a locking screw (3), a locking nut (4), a first washer (5), a second washer (6), a connecting ring (7), a threaded ring (8), and a protective cover (9). The mounting hole (2) is equipped with a locking screw (3). The lower end of the locking screw (3) is screwed with a locking nut (4). The surface of the locking screw (3) is movably fitted with a first washer (5) on the upper end of the workpiece (1) to be fastened. The surface of the locking screw (3) is movably fitted with a second washer (6) on the lower end of the workpiece (1) to be fastened. The surfaces of the first washer (5) and the second washer (6) are both movably engaged with a connecting ring (7). The outer surface of the connecting ring (7) is fixedly equipped with a screw ring. The outer surface of the threaded ring (8) is equipped with a protective cover (9).

2. The rust and corrosion resistant fastener of claim 1, wherein: The protective cover (9) is made of transparent plastic material.

3. The rust and corrosion resistant fastener of claim 1, wherein: Both the first gasket (5) and the second gasket (6) have annular grooves (10) on their outer surfaces.

4. The rust and corrosion resistant fastener of claim 1, wherein: The connecting ring (7) is made of rubber.

5. The rust and corrosion resistant fastener of claim 1, wherein: The protective cover (9) is movably connected by a threaded connection between the thread and the threaded ring (8).

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