Expansion bolts sleeve and expansion bolts

The utility model relates to an expansion bolts sleeve and expansion bolts belongs to fastener technical field. The expansion bolts sleeve, including the sleeve body, the sleeve body be inside hollowtube structure, the sleeve body distributes with the axial of second end along the sleeve body includ...

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1. Verfasser: LU ZHANWANG
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description The utility model relates to an expansion bolts sleeve and expansion bolts belongs to fastener technical field. The expansion bolts sleeve, including the sleeve body, the sleeve body be inside hollowtube structure, the sleeve body distributes with the axial of second end along the sleeve body including relative first end that sets up and second end, first end, two at least inflation grooves havebeen seted up to the sleeve body, two at least inflation grooves along the circumference rotational symmetry of sleeve body, the inflation groove by first end towards the extension of second end, theflute length in the groove of expanding be greater than the length of sleeve body the quartering three. The expansion bolts sleeve, structural design is reasonable, and the flute length in inflation groove is longer, has improved the bulging force of this expansion bolts sleeve with the expansion bolts of screw set one -tenth greatly. Adopting the telescopic expansion sleeve of above -mentioned expansion bolts, in the use,
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language chi ; eng
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subjects BLASTING
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
THERMAL INSULATION IN GENERAL
WEAPONS
title Expansion bolts sleeve and expansion bolts
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