Patent Name Large Plastic Bottle for Infusion Packaging Patent Applicant Hunan Qianshan Pharmaceutical Machinery Co., Ltd. Principal Applicant Address 410100 Inventor of Lijiang Road, Changsha Economic and Technological Development Zone, Hunan Province Liu Xianghua; Peng Xunde Application (Patent) No..3 Date of Application 2004.12.31 Approval Date Approval Notice No. 2764387 Audit Notice Date 2006.03.15 Instruction CD-ROM D0611-2 Main Classification Number A61J1/05 ​​(2006.01) I Classification Number A61J1/05 ​​(2006.01)I; A61J1/14 (2006.01)I; A61M5/00 (2006.01) I; B65D41/00 (2006.01) I Division Original Application No. Priority Abstract A large infusion packaging plastic bottle, characterized in that the combination of the cover by the easy to fold the cap, cover and plug, which easy The foldable cap is connected with the outer cover, and the inner stopper is placed in the inner cavity of the outer cover. The clasping parts that can cooperate with the outer cover and the bottle bottle mouth are respectively provided on the inner cover. The side walls of the outer cover are provided with the bosses on the bottle body. Mutual fittings. The combined cover of the utility model is mechanically connected with the bottle body, there is no defect caused by poor welding, the outer cover and the bottle body are connected firmly and reliably, and the inner plug has good sealing performance. At the same time, the combined cover and the bottle mouth do not need to be heated and welded to maintain the pressure, the production process is simplified, the production efficiency is improved, and the outer cover exposes the inner plug part and the outer cover is integrally formed with a foldable cap seal, which can replace the original outer cover The pull ring and the torn portion, and no inner cover, can simplify the structure of the outer cover and greatly reduce the production cost. In addition, the easy-to-fold cap on the outer cover can be set to two, can be broken off in several times, and can be used without disinfecting, which is very convenient and correspondingly reduces the use cost of the product. Sovereign item 1, a plastic bottle for large infusion packaging, including a combination cap (1) and a bottle body (2), characterized in that the composite cap (1) is made of an easy-folding cap (11), an outer cap (12) and The inner plug (14) is composed of the easy-folding cap (11) connected with the outer cover (12), the inner plug (12) being placed in the inner cavity of the outer cover (12), and the upper and lower end faces are respectively provided with an outer cover (12). And the bottle mouth (22) of the bottle body (2) cooperates with the fastening portion (13), and the side wall of the outer cover (12) is provided with a sleeve which can cooperate with the boss (21) of the bottle body (2). Department (24).