2results about How to "Fast sealing" patented technology

The present invention relates to the technical field of pipeline connection, and proposes a connection structure of a medical gas pipeline, comprising a main pipeline, a connecting pipeline and a first valve, wherein the first valve is arranged at a node of the gas supply end of the main pipeline, and the first valve is used to control the opening and closing of the main pipeline, and the inner wall size of the input end of the main pipeline is adapted to the outer wall size of the connecting pipeline, and further comprises a plurality of groups of annular sealing pads and a plurality of groups of connecting sealing pads, wherein the interiors of the annular sealing pads and the connecting sealing pads are both cavity structures, and the plurality of groups of annular sealing pads are connected through the connecting sealing pads, and in the present invention, through the fixing method of the inflatable sealing pad, the frame-type sealing pad can be completely filled between the main pipeline and the connecting pipeline, and the connection position of the two is changed to a gap, so that the sealing speed is faster and the effect is better, and the installation method of the device is to directly dock the two groups of pipelines, and the installation process is more convenient.

The utility model relates to food fresh -keeping field discloses a novel strawberry fresh -keeping box, including box body, the inner wall hinged cover of box body, the top fixedly connected with water storage box of box cover, the inner wall sliding connection has the sliding block of box cover, the top of sliding block is hinged to have the opening and closing board through the hinged rod, the opening and closing board is provided with two groups, two groups the opening and closing board between each other are inserted, the inner wall of box cover is provided with the fresh -keeping agent bag, the inner wall of box cover is equipped with the water injection hole, the inner wall fixedly connected with the placing plate of box body. In the utility model, the structure of the opening and closing board is linked by the clamping block, after moving the clamping block to the left and separating the notch, the opening and closing board opens and makes the water source in the water storage box flow into the fresh -keeping agent bag, triggers the fresh -keeping agent to release gas when meeting water, reversely moves the clamping block after operation is completed, makes the opening and closing board close and limit, through the water source quantitative injection in the water storage box, makes the fresh -keeping agent can fully react, and further improves the fresh -keeping effect of the device.