Bolt with oil discharge function

Abstract

The invention discloses a bolt with an oil discharge function. The bolt comprises a bolt body formed by connection of a bolt head and a screw. An oil storage slot is formed in the screw and is filled with lubricating oil. Oil outlet holes communicated with the oil storage slot are formed in the screw. Each oil outlet hole comprises an oil inlet flow pass and two oil outlet flow passes in the shape of a labyrinth. The oil inlet flow passes are communicated with the oil outlet flow passes. A piston is arranged at an opening of the oil storage slot. A push rod is connected to the outer end of the piston and penetrates the bolt head to be connected with the piston. A push plate is arranged at the outer end of the push rod. The bolt with the oil discharge function has the advantages that the oil storage slot is filled with the lubricating oil, the piston squeezes internal space of the oil storage slot in case of rusting, and the lubricating oil leaks out from the oil outlet holes to lubricate a joint part of the screw and a mechanical component, so that the bolt is simple in structure, convenient to use and high in oil discharge and lubrication efficiency; since each oil outlet hole comprises the two oil outlet flow passes in the shape of the labyrinth, and the lubricating oil is stored in the oil storage slot and is not leaked, so that lubrication effect during use of the lubricating oil is guaranteed, and use cost is low.

Description

technical field [0001] The invention relates to a bolt, in particular to an oil outlet bolt, and belongs to the technical field of mechanical fasteners. Background technique [0002] A bolt is a type of fastener consisting of a bolt head and a screw rod (a cylinder with external threads), which is used to fasten and connect two mechanical equipment parts with through holes. This form of connection is called bolt connection, and bolt connection is a detachable connection. However, in the current enterprises, due to the lack of regular maintenance of mechanical equipment, and under the influence of environmental humidity and other factors, the bolts will rust and die, resulting in the bolts not being removed, causing unnecessary troubles, affecting work efficiency, and delaying normal operation of mechanical equipment. [0003] Such as the Chinese invention patent "A New Type of Bolt", the application number is 201120460551.8, which discloses a new type of bolt. The oil hol...

AI Technical Summary

Problems solved by technology

After the bolt is rusted, it is necessary to use an oiler to inject lubricating oil into the oiling tank, which is cumbersome and slow in oiling efficiency; the specifications of the oiler must match the hole size of the oiling tank, if the size does not match, it will cause oil to leak out There is no lubricating oil in the hole or the lubricating oil splashes out, so that each specification of the bolt needs to be equipped with an oiler or an oiler connector, which is expensive to use

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