Venting component, catheter and syringe including the same
AssigneesHefei Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsFei Xu, Lei Lv, Jun Hong, Chunmin Xu, Jie Gao
Life of this patent
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Abstract
A venting component includes a chamber, a vent hole and a floating block. The chamber includes a bottom chamber and an extended chamber communicating with the bottom chamber and extending upward therefrom. The bottom chamber is configured for liquid to flow in and out. The extended chamber includes a support portion. The vent hole is located at a side of the extended chamber away from the bottom chamber. The floating block is located in the extended chamber and forms a gap with the chamber wall of the extended chamber. The floating block is configured to be supported on the support portion and dimensioned to be able to block the vent hole.
Claims13
A venting component comprising:
- a chamber comprising a bottom chamber and an extended chamber configured to communicate with the bottom chamber and extending upwards therefrom, wherein the bottom chamber is configured for liquid to flow in and out, and the extended chamber comprises a support portion;
- a vent hole at a side of the extended chamber away from the bottom chamber;
- a floating block in the extended chamber and forming a gap with a chamber wall of the extended chamber, wherein the floating block is configured to be supported on the support portion and is dimensioned to be able to block the vent hole;
- and
- a dust cap positioned at a side of the vent hole away from the bottom chamber and covering the vent hole,
- wherein the chamber wall of the extended chamber extends beyond the side of the vent hole away from the bottom chamber to fix the dust cap to a portion of an inner wall of the extended chamber beyond the vent hole.
Dependencies are inferred from the claim text.