3results about How to "Anti-theft function" patented technology

The utility model belongs to the technical field of packing container relates to a kind of starch foaming lunch box, including box body, box cover and cover, the box cover is closed on box body and forms closed cavity, the cover is connected on box cover and forms breathable cavity, first air vent is provided on the box cover, second air vent is provided on the cover, first air vent and second air vent are staggered on the vertical projection plane, first air vent, breathable cavity and second air vent form labyrinth air passage, the edge of first air vent is surrounded and is provided with the first ring of up extension, the edge of second air vent is surrounded and is provided with the second ring of up extension, first ring and second ring form the dustproof structure of the air passage.The starch foaming lunch box provided by the utility model has good air permeability, can realize the efficient discharge of wet hot gas, maintain the crisp taste of food, and also can ensure the anti-fouling function of lunch box.

The utility model belongs to the technical field of charging equipment, and provides a direct current charging pile capable of rapidly replacing a charging handle and a handle part. The direct-current charging pile comprises a charging handle and a direct-current charging pile body, the direct-current charging pile body comprises a first blocking body, the first blocking body divides the direct-current charging pile body into a charging gun wiring cavity and a mains supply access wiring cavity, the charging gun wiring cavity and the mains supply access wiring cavity are mutually independent, and the charging handle comprises a charging gun cable. The charging gun cable is detachably connected with the charging handle and the charging gun wiring cavity. The charging gun wiring cavity and the commercial power access wiring cavity are mutually independent, components in the commercial power access wiring cavity cannot be touched when the charging gun is replaced or the charging wiring cavity is operated, an independent wiring space is provided, and the high-voltage direct-current charging gun wiring cavity and the low-voltage alternating-current commercial power access wiring cavity are physically isolated. And the quality problem of other components caused by manual operation is avoided.