38results about How to "Increase usage capacity" patented technology

The utility model belongs to the technical field of luggage bag opening sealing, and provides a luggage bag opening sealing device which comprises a luggage main body, a sealing mechanism is arranged on the inner side of the luggage main body, the sealing mechanism comprises a vacuum compression bag arranged on the inner side of the luggage main body, and a sealing strip capable of being closed is arranged at the outer end of the vacuum compression bag. One side of the vacuum compression bag is communicated with an air hole connected with an air pump to compress the space of the vacuum compression bag, shoulder straps are arranged on the outer side of the luggage main body, and a zipper convenient to close is also arranged on the inner side of the luggage main body; the design of the luggage is simplified through the sealing mechanism, the balance of portability and sealing performance is realized, the vacuum compression bag is arranged on the inner side of the luggage, and the sealing strip capable of being closed is arranged at the outer end of the vacuum compression bag, so that the luggage is convenient for a user to operate, can meet the requirements of sealing performance, water resistance and dust resistance, and is convenient to use. A user can easily carry the luggage for short-distance travel or daily travel, and the air holes can be connected with an air pump to compress the space of the vacuum compression bag, so that the use capacity of the luggage is improved.