







A flexible screw, often called a movable joint screw or adjustable screw, is a uniquely designed fastener. Here's an in-depth exploration of the flexible screw's remarkable features:
Basic Characteristics
1. Removable and Adjustable: With the ability to freely adjust its tightening force, the flexible screw supports multiple disassemblies and re-installations. This adaptability makes it an indispensable asset in scenarios demanding frequent adjustments or meticulous maintenance.
2. Ingenious Structure: Unlike traditional screws, the nut of the flexible screw does not contact the thread directly but instead connects through an elastic washer or a similar structure. This design innovation permits flexible assembly and disassembly, preventing thread damage and significantly extending the screw's lifespan.
Working Principle
The flexible screw's operation hinges on its distinctive structural design. To connect two components, one end of the flexible screw is embedded into the threaded hole of one component. Subsequently, the nut's position and tightening force are fine-tuned to securely attach the second component to the other end. Thanks to the non-contact connection between the nut and thread, enabled by elements like elastic washers, the flexible screw facilitates easy assembly and disassembly without compromising the thread integrity.
Application Scenarios
Flexible screws, also known as knot screws, are celebrated for their adaptable, convenient, and trustworthy connections across diverse fields.
1. Mechanical Manufacturing: In the realm of machine assembly and maintenance, flexible screws are indispensable for connecting and securing components. They are crucial in equipment such as machine tools, stamping machines, and presses, ensuring precise alignment and stable inter-component connections.
2. Automobile Manufacturing: In the automotive industry, flexible screws play a vital role in connecting parts like intake manifolds, exhaust manifolds, and chassis connectors. The need for regular maintenance and part replacement is simplified through the ease of disassembly and reassembly provided by flexible screws.
3. Home Installation: Flexible screws are also perfect for household installations like mounting screens, televisions, and lighting fixtures. Their detachable and adjustable nature facilitates easy positioning and repairs when necessary.
4. Other Fields: Beyond the aforementioned uses, flexible screws find applications in electronics, construction, civil engineering, aerospace, and more. They are employed to secure elements such as circuit boards in electronic devices, and to connect structural components in steel structures, bridges, and pipelines in construction.
Types and Specifications
Flexible screws come in a variety of types and specifications to suit various application needs. The range includes general-purpose articulated screws, high-strength options, and specialized designs. Thread diameter, length, material, and other specifications are customizable to meet precise requirements.
Precautions
While utilizing flexible screws, consider the following precautions:
1. Selecting Appropriate Specifications: Ensure the right choice of flexible screw type and specification based on the specific application and requirements, guaranteeing robust and reliable connections.
2. Correct Installation Practices: Adhering to the correct installation methods is crucial to avoid damaging threads or causing loose connections during the process.