PLUG OF MODULATOR FOR KEEPING AIRTIGHTNESS, WITH RUBBER PACKING MEMBER

摘要

PURPOSE: A plug of a modulator for keeping airtightness is provided to prevent the leakage of oil by interposing a packing member between a plurality of ports formed at a modulator body and the plug for opening and closing the ports. CONSTITUTION: A plug of a modulator for keeping airtightness for an anti-lock brake system of a vehicle is composed of a body(120) for forming the exterior shape; intake ports(130) projected upward the body to communicate with the inner part; discharge ports(140) protruded from the side of the body to communicate with the inner part; plugs(150) for opening and closing the intake and discharge ports; and packing members(160) interposed between the plug and the intake and discharge ports to hold airtightness. The packing member made from rubber with excellent durability is an O-ring which is changeable. The pacing member is forcibly fitted in a screw unit(152) of the plug and contacted to the inside of a head unit(154).