Sealing valve and anesthetic bottle

An anesthetic bottle, comprising an anesthetic bottle body and a sealing valve, the sealing valve comprises:

• a valve body, providing with a first end and a second end arranged opposite to each other, the first end being configured to connect to a bottle opening of an external anesthetic bottle, the second end being configured to connect a dosing port of an external anesthetic evaporator, wherein the valve body is provided with a channel penetrating through the valve body in a direction from the first end to the second end, a first right angle portion and a second right angle portion are formed on an end surface of the first end and/or an inner wall surface of the channel, both the first right angle portion and the second right angle portion are annular structures surrounding the channel, the first right angle portion is located at a periphery of the second right angle portion, and the first right angle portion and the second right angle portion are arranged sequentially from the first end to the second end;
• and
• a valve core, movably arranged in the channel, wherein an engagement ring is arranged to be protruded from a peripheral surface of the valve core, the engagement ring is arranged around an axis of the valve core, a side of the engagement ring adjacent to the first right angle portion is provided with a conical surface being gradually reduced in diameter from the first end to the second end, the conical surface is able to be sealed against the first right angle portion and the second right angle portion to close the channel, or be separated from the first right angle portion and the second right angle portion to open the channel;
• a side of the engagement ring away from the first right angle portion is provided with an annular groove arranged around the axis of the valve core;
• and
• wherein the anesthetic bottle body is provided with an accommodation cavity and a bottle opening in communication with the accommodation cavity, the sealing valve is sealed and mounted onto the bottle opening, and a first end and a second end of the valve body are respectively located inside and outside the accommodation cavity.