Novel penicillin bottle

The utility model discloses a novel penicillin bottle in the field of medicine packaging bottles, which comprises a bottle body and a bottle opening, a mounting flange is arranged at the bottle opening, a mounting cylinder is arranged on the mounting flange, a protective cap for sealing the mounting cylinder is arranged on the mounting cylinder, and external threads are arranged on the mounting cylinder. The inner wall of the protective cap is provided with an internal thread matched with the external thread on the mounting cylinder; the plastic bottle cap has the advantages that the installation barrel with the threads can be opened and used more conveniently, the sealing effect is good, the limiting ring and the easy-to-tear opening are arranged, the sealing film can be punctured more conveniently, and use is rapid. 本实用新型公开了药品包装瓶领域的一种新型的西林瓶，包括有包括瓶身和瓶口，瓶口处设有安装法兰，安装法兰上设有安装筒，安装筒上设有密封安装筒的护帽，安装筒上开设有外螺纹，护帽内壁开设有与安装筒上的外螺纹相匹配的内螺纹；本实用新型的有益效果为设置带螺纹的安装筒可以更加方便我们开启使用，并且密封效果好，限位环和易撕口的设置也更加方便我们对密封薄膜进行刺破，使用快捷。