A pull test device's fastener clamp

By using a fastener fixture with an integrated spindle and fan-shaped flap design, combined with a conical-thread drive mechanism and spring connection, the problems of cumbersome operation and poor clamping force control of existing fixtures are solved. This achieves efficient and uniform clamping and self-centering functions, improving testing accuracy and efficiency.

CN224303436UActive Publication Date: 2026-05-29HUA LIAN GARMENT COMPONENT ENTERPRISE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUA LIAN GARMENT COMPONENT ENTERPRISE
Filing Date
2025-06-06
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing fastener tensile testing devices have cumbersome clamp operation, low efficiency, poor clamping force control, and difficulty in adapting to fasteners of different sizes or shapes, affecting the accuracy and efficiency of testing.

Method used

Employing a highly integrated spindle and fan-shaped flap design, combined with a conical-thread drive mechanism, it achieves efficient, synchronous, powerful, and uniform clamping/unclamping operations of the grippers, and has self-centering capability, providing automatic gripper reset function through spring connection.

Benefits of technology

It improves testing accuracy and efficiency, ensures uniform distribution of clamping force, prevents damage to fasteners, adapts to different sizes, and enhances the convenience of operation and the accuracy of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of fastener clamp of tension testing device, including main shaft, multiple clamping jaw, taper head top block;Main shaft includes threaded section and installation section, installation section is integrally formed in the bottom of threaded section;Multiple scallop bodies are integrally formed on the outer periphery of installation section, and clamping jaw installation groove is formed between adjacent scallop bodies, and clamping jaw is rotatably connected with scallop body by pivot;The axis of taper head top block is connected to the outside of threaded section by screw thread, and the inner wall of the upper portion of clamping jaw is formed with the abutting bevel for cooperating with taper head top block. Through the design of high integration integrated main shaft and scallop body, excellent structural rigidity and strength are provided, the taper-screw driving mechanism is used to realize efficient, synchronous, powerful and uniform clamping and loosening operation of clamping jaw, and excellent self-centering ability is provided to adapt to different size fasteners.
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