Rotating shuttle shaft, rotating shuttle mechanism and lower machine head for sewing machine

The utility model relates to a rotating shuttle shaft, a rotating shuttle mechanism and a lower machine head for a sewing machine, an internal oil duct and an oil passing hole are constructed in the rotating shuttle shaft, and one end of the internal oil duct penetrates through the end part of the r...

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Bibliographic Details
Main Author ZHANG ZHANGSHENG
Format Patent
LanguageChinese
English
Published 04.01.2022
Subjects
EMBROIDERING
SEWING
TEXTILES
TUFTING
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Summary:The utility model relates to a rotating shuttle shaft, a rotating shuttle mechanism and a lower machine head for a sewing machine, an internal oil duct and an oil passing hole are constructed in the rotating shuttle shaft, and one end of the internal oil duct penetrates through the end part of the rotating shuttle shaft and forms an outlet; an oil passing hole is formed in the rotating shuttle shaft, the oil passing hole is communicated with the internal oil duct, at least one end of the oil passing hole penetrates through the side wall of the rotating shuttle shaft and forms an inlet, the rotating shuttle shaft is further provided with a flow guide part matched with the oil passing hole, the flow guide part is communicated with the oil passing hole, a flow guide notch is formed in one side of the oil passing hole, and a blocking face is formed in the position, corresponding to the flow guide notch, of the other side of the oil passing hole. The rotating shuttle shaft is simple in structure and ingenious in d
Bibliography:Application Number: CN202121638185U