Sealing hexagonal socket bolt

The utility model discloses a sealing hexagonal socket bolt, and aims at providing the sealing hexagonal socket bolt which is good in sealing effect, convenient to machine and high in structural strength. According to the technical scheme, the sealing hexagonal socket bolt is characterized by compri...

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Bibliographic Details
Main Authors FANG JIANNAI, JIANG XIANGHU, DONG JIANLIANG
Format Patent
LanguageChinese
English
Published 24.12.2014
Subjects
BLASTING
CYLINDERS
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model discloses a sealing hexagonal socket bolt, and aims at providing the sealing hexagonal socket bolt which is good in sealing effect, convenient to machine and high in structural strength. According to the technical scheme, the sealing hexagonal socket bolt is characterized by comprising a bolt head and a threaded rod, a boss shaped like a circular truncated cone is arranged between the bolt head and the threaded rod, the boss and the threaded rod are coaxially arranged, the bolt head is fixedly connected with the boss and the threaded rod in sequence, the boss comprises an upper bottom face, a lower bottom face and a side wall, the upper bottom face is connected with the threaded rod, the bottom face is connected with the bolt head, the diameter of the lower bottom face is matched with the diameter of a hole, the section, in the bus direction, of the boss is in an isosceles trapezoid shape, and the included angle between the lower bottom face and the side wall ranges from 85 degrees to 89 deg
Bibliography:Application Number: CN20132730339U