A quick torque tightening device for slotted round nut
By designing a constant torque quick tightening device for slotted round nuts, and adopting a knife-edge shaft and spring combination structure, the problems of low tightening efficiency and poor consistency of slotted round nuts are solved, achieving precise torque control and improving the efficiency and quality of gas meter production and maintenance.
CN224544428UActive Publication Date: 2026-07-24SHANGHAI ZHENLAN INSTR TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI ZHENLAN INSTR TECH CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-24
Smart Images
Figure CN224544428U_ABST
Abstract
The utility model relates to the technical field of gas meter production and assembly, in particular to a kind of fastening device of fixed torque for slotted round nut, the utility model is matched with spring structure by unique cutting edge axle core, under the rotation of electric driver, the cutting edge of cutting edge axle core is quickly and accurately matched with the slot of slotted round nut, the quick, reliable engagement of slotted round nut is realized, under the cooperation of torque-adjustable electric driver, accurate fixed torque tightening is realized, the assembly efficiency and the consistency of tightening quality of such nut are significantly improved, especially suitable for the occasion, such as gas meter wiring column, that needs accurate torque.
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