Metering device multifunction key seal structure

• Main Authors: DING YUANMING, SHENG CHENGLONG, CHEN HONG, QI ERLUO, WANG ZHIYU
• Format: Patent
• Language: Chinese; English
• Published: 18.09.2018
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; RELAYS; SELECTORS; TARIFF METERING APPARATUS; TESTING

The utility model provides a metering device multifunction key seal structure, which comprises a housin, controller base, controller upper cover and press key assembly, controller base is fixed with the casing, controller base is fixed with the controller upper cover, cover on the controller and be equipped with first through -hole, install in first through -hole according to key assembly, a serial communication port, the last screw column that is equipped with of controller base, screw column installs between controller base and controller upper cover and corresponds the position of pressingkey assembly and sets up, pass through the fix with screw between screw column and the casing, the external diameter of screw upper cap nut is less than the internal diameter of first through -hole. The utility model discloses a screw is hidden to set up and is being pressed the position of key assembly corresponding to controller base, can satisfy the screw and dismantle, can guarantee the leakproofness of controller aga