A adaptor for transformer respiratory device

The utility model provides an adaptor for transformer respiratory device belongs to the transformer substation field, the adaptor includes the adaptor body, is equipped with first terminal surface andsecond terminal surface parallel relatively on the spatial position in the adaptor body, is equipped with four connecting holes on first terminal surface, is equipped with three connecting hole on the second terminal surface, the edge of first terminal surface be equipped with the same with first end profile of surface, have and predetermine high first border, the edge of second terminal surfacebe equipped with the same with second end profile of surface, have and predetermine high second border. Through use the adaptor between respiratory device and transformer for the transformer had bothused four square hole flange interfaces, also can three practical circular hole flange interface, for the one -class type flange interface that only can use, improved respiratory device's suitabilityamong the prior art. 本实用新型提供