Rain -proof lid of density relay

The utility model discloses a rain -proof lid of density relay, barometer and terminal board that this density relay was arranged about including side by side, the top of barometer is equipped with the connecting rod, this rain -proof lid of density relay including cover in the barometer with apron directly over the terminal board, the apron seted up with the periphery shape complex bayonet socket of connecting rod, the apron cover is located on the connecting rod. The utility model discloses an add the apron at barometer and terminal board top, solved the problem that the density relay was intake and is wet effectively, improved the life of density relay, improved the equipment reliability of operation simultaneously. The utility model discloses simple structure, simple to operate to its low cost has great economic serviceability. 本实用新型公开了种密度继电器防雨盖，该密度继电器包括左右并排布置的气压表和端子盒，所述气压表的顶端设有连接杆，该密度继电器防雨盖包括覆盖于所述气压表和所述端子盒正上方的盖板，所述盖板开设有与所述连接杆的外周形状配合的卡口，所述盖板套设于所述连接杆上。本实用新型通过在气压表和端子盒上方增设盖板，有效地解决了密度继电器进水受潮的问题，提高了密度继电器的使用寿命，