摘要 |
<p>PROBLEM TO BE SOLVED: To provide a liquid joint that enables a different container to be easily replaced with a liquid substance, makes a contact with air as little as possible, and hardly causes a liquid leakage.SOLUTION: In the liquid joint, which consists of a suction side joint consisting of a needle valve and a discharge side joint having the needle valve, the inlet of the suction side joint and the outlet of the discharge side joint have a form to fit with each other. The outside of the needle valve of the discharge side joint comprises a cylindrical guide outer frame capable of translation in parallel with a movable direction of the needle. The gap between the guide outer frame and the needle valve the discharge side joint keeps has an elastic mechanism that generates an elastic force along a direction which enables the translation, and the gap between the guide outer frame and the needle of the needle valve the discharge side joint keeps has a mechanism that moves the needle in a direction where the needle valve opens when the guide outer frame is translated by a predetermined distance or more in a direction where a repulsive force of the elastic mechanism increases.</p> |