Air expansion shaft

The utility model relates to an air expansion shaft which comprises an air expansion shaft body of a hollow structure, an air bag is arranged in the air expansion shaft body, connecting shafts are arranged at the two ends of the air expansion shaft, long clamping grooves are formed in the circumfere...

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Bibliographic Details
Main Author WEI JIANQING
Format Patent
LanguageChinese
English
Published 03.11.2020
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:The utility model relates to an air expansion shaft which comprises an air expansion shaft body of a hollow structure, an air bag is arranged in the air expansion shaft body, connecting shafts are arranged at the two ends of the air expansion shaft, long clamping grooves are formed in the circumferential surface of the air expansion shaft, long clamping pieces are arranged in the long clamping grooves, an inflation hole is formed in one end of the air expansion shaft, and shaft sleeves are arranged at the two ends of the air expansion shaft respectively. A short clamping piece is arranged in the short clamping groove and is opposite to the long clamping piece. A locating pin is arranged on the shaft sleeve, the shaft sleeve is fixed to the air expansion shaft, the fixing position of the shaft sleeve is staggered from the air inflation hole, and the air inflation hole is communicated with the air bag. The shaft sleeve is installed on the air expansion shaft, when a product tightly holdsthe air expansion shaft
Bibliography:Application Number: CN202020337215U