Fill shaft seal structure on nitrogen top plug machine

• Main Authors: Song Jinou, Yan Rongbang, Qu Jianbing, He Xinfeng, Zheng Chunpeng, Liu Yi, Tian Bin
• Format: Patent
• Language: Chinese; English
• Published: 31.08.2016
• Subjects: APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILARCONTAINERS; BLASTING; BOTTLES, JARS OR SIMILAR CONTAINERS; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LIQUID HANDLING; MECHANICAL ENGINEERING; OPENING CLOSED CONTAINERS; OPENING, CLOSING; PERFORMING OPERATIONS; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model discloses a fill shaft seal structure on nitrogen top plug machine, beat the epaxial nonrust steel sleeve of stopper including the cover, nonrust steel sleeve and beat stopper axle between be equipped with and adopt first sealing washer that polytetrafluoroethylene made and zirconia ceramic grinding's second sealing washer, the tight cover of first sealing washer and second sealing washer is all hugged closely with nonrust steel sleeve's inner wall beating the epaxial and outside of stopper, still fixes on the nonrust steel sleeve inner wall of filling in below holding and is equipped with the sealing ring beating of stopper axle. Sealed effect when this shaft seal structure can guarantee to fill the nitrogen top plug is better, and whole seal structure is more reliably durable. 本实用新型公布了种充氮上塞机上的轴密封结构，包括套在打塞轴上的不锈钢套筒，所述不锈钢套筒与打塞轴之间设有采用聚四氟乙烯制成的第密封圈和氧化锆陶瓷制成的第二密封圈，所述第密封圈和第二密封圈紧套在打塞轴上且外侧均与不锈钢套筒的内壁紧贴，在打塞轴的打塞端下方的不锈钢套筒内壁上还固定设有密封环。该轴密封结构可保证充氮上塞时的密封效果更好，且整个密封结构更加可靠耐用。