Novel rainproof device and pressure-bearing safety blow-down pipe

The utility model relates to a novel rain-proof device and a pressure-bearing safety blow-down pipe, the rain-proof device comprises a rain-proof cover, the rain-proof cover is provided with a through exhaust hole group, and the exhaust hole group is provided with a rain shielding mechanism capable of being opened and closed. The blow-down pipe has the advantages of being simple in structure, reasonable in design, capable of preventing rainwater on the blow-down pipe, capable of preventing the blow-down pipe from being blocked, free of influence on exhaust of the blow-down pipe, safe and reliable. 本实用新型涉及一种新型防雨装置及可承压安全放空管，该防雨装置包括防雨罩，防雨罩上设有贯穿的排气孔组，排气孔组处安装有可启闭的遮雨机构。本实用新型的有益效果是结构简单，设计合理，既可以对放空管起到防雨水作用，避免放空管堵塞，又不会影响放空管的排气，安全可靠。