Ventilation plug for engineering machinery

The utility model discloses a ventilation plug for engineering machinery, which comprises a ventilation seat and a ventilation cover. The bottom part of the ventilation seat is screwed on a machine body, and the ventilation cover is arranged at the top end of the ventilation seat. The ventilation pl...

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Bibliographic Details
Main Author ZHANG SHENCHAO
Format Patent
LanguageChinese
English
Published 09.06.2010
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model discloses a ventilation plug for engineering machinery, which comprises a ventilation seat and a ventilation cover. The bottom part of the ventilation seat is screwed on a machine body, and the ventilation cover is arranged at the top end of the ventilation seat. The ventilation plug is characterized in that: a ventilation hole channel which runs through the top and bottom ends of the ventilation seat is arranged in the ventilation seat, a sunken backflow groove is arranged in the middle of the top end of the ventilation seat, the ventilation hole channel is communicated with the sunken backflow groove, a plurality of ventilation holes are arranged at the top end of the wall at the periphery of the backflow groove, the ventilation cover is fixed at the top end of the ventilation seat in a clamping manner, an air guide channel which is communicated with the outside is arranged on the ventilation cover, and the ventilation holes are communicated with the air guide channel. The ventilation hole
Bibliography:Application Number: CN20092233310U