Joint formula filter core and filter core device

The utility model belongs to the filter equipment field discloses a joint formula filter core, including filter element group spare, the tip of filter element group spare is equipped with inhalant canal and exhalant canal, and it is first from lock set spare and second from lock set spare to locate elasticity in inhalant canal and the exhalant canal respectively, first when lock set spare, second are in the auto -lock state from lock set spare, inhalant canal, exhalant canal are in encapsulated situation. The utility model discloses a be provided with elasticly from lock set spare at the inhalant canal of filter element group spare and exhalant canal, when filter element group spare is dismantled, produce the auto -lock from lock set spare, it is sealed with exhalant canal, inhalant canal to make the inside water of filter core can not outflow, in order to lead to the fact the influence inside the exempt from customs examination water purifier. The utility model discloses simple structure, reasonable in desig