The dry oil pump is a type of pump that injects lubricating oil having a large viscosity of a grease into the apparatus through a pump body manually or electrically. There are many types of dry oil pumps. Dry oil pumps can be roughly divided into: single-point manual, multi-point manual, electric multi-point, single-line centralized lubrication system, etc. The electric dry oil pump is suitable for use as a conveying device for supplying lubricant in a single- and double-line dry oil centralized lubrication system with high lubrication frequency, large piping length and dense lubrication point and nominal pressure of 40 MPa. It can also be equipped with a mobile electric car, a high-pressure hose, a grease gun and a cable to form a mobile electric lubrication pump device. It is used for moving oil to a single machine with low lubrication frequency, low lubrication point, large oil supply and inconvenient to use centralized lubrication. lubricating. The pump is a single-outlet electric lubrication pump that is driven by a geared motor and that discharges lubricant. There are three kinds of displacement specifications, which can conveniently form the lowest-concentration centralized lubrication system according to different needs; the concentrated lubrication of dry oil composed of it has the characteristics of long conveying distance and small oil supply pipe diameter.