封线体当所有的接触件到位后，封线体内的夹紧环可将每根导线牢牢地夹持住，以防止外界的挠曲损伤导线和防止外界的灰尘、液体有害气体侵入。

• Wire sealing body: when all contacts are mated locking ring inside wire sealing body may lock each wire tightly to prevent external flexure to damage wire and protect it protect it from dust, liquid and harmful gas leaking radically into connector.