Waterproof key cap and gas off -balancesheet bilge construction pressed of gas table

• Main Authors: LIU YI, ZHAO YONG, LEI XINMIN
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; RELAYS; SELECTORS; TESTING

The utility model relates to a gas list structure field, the especially waterproof key cap of pressing of gas table, it includes: the annular lateral wall of circle, the annular recess that the lateral wall outside was provided with for with fuel gas meter case via hole interference fit, press the bilge construction, press down bilge construction and the annular lateral wall of circle one side sealing connection, with the annular lateral wall of circle cooperation formation cavity, it comprises silicon rubber to press the bilge construction, the utility model discloses an invention aim at provides the water -proof effects, the improvement that increase the gas table to its inside electron device electron device's life -span, reduction electron device's repair rate, simplification gas table inner structure's the waterproof key cap of pressing of gas table still disclose the exterior structure including this kind of key cap. 本实用新型涉及燃气表结构领域，特别是种燃气表防水按键帽，其包括：圆环形的侧壁，所述侧壁外侧设置有的环状的凹槽，用于与燃气表外壳过孔过盈配合；按压部结构，所述按压部结构与圆环形