Cap Assembly and Bottle Assembly

Abstract

The present application provides a cap assembly and a bottle assembly. The cap assembly includes a cap, an inner cylinder assembly, an elastic member and a blocking member. The cap includes a cap top and a cap side portion. The cap side portion is formed by extending downwardly from an outer edge of the cap top, and the cap top and the cap side portion define a cap cavity. The inner cylinder assembly is connected to the cap top, is arranged in the cap cavity, and forms an annular receiving portion with the cap side portion. The elastic member is arranged in the receiving portion. The blocking member is arranged in the receiving portion below the elastic member. The cap is provided with at least one locking portion for preventing the elastic member and the blocking member from falling from the receiving portion. The cap assembly has a lower height, and gas in a bottle body cavity can be exhausted from the bottle through an exhaust passage during opening of the bottle assembly according to the present application, especially when in an exhaust state.

Dependencies are inferred from the claim text.