The utility model discloses a door closer electromagnetic release sliding rail
rocker arm which comprises an installation plate, a door closer shell fixedly connected to the outer surface of the installation plate, a fixing plate fixedly connected to the inner surface of the door closer shell, a
damper fixedly connected to the upper surface of the fixing plate, a spring arranged on the
damper, and an equipment plate fixedly connected to the other end of the
damper. A
rocker arm is rotationally connected to the door closer shell, the other end of the
rocker arm is slidably connected with a sliding rail and a supporting plate, an
oil can is detachably connected to the supporting plate, an
oil pump is fixedly connected to the lower surface of the
oil can, the output end of the
oil pump is fixedly connected with an oil
pipe, and
oil can be instilled on the sliding rail through cooperation of the supporting plate, the oil can, the
oil pump and the oil
pipe; a layer of lubricating film can be formed between the sliding rail and the rocker arm,
friction force is remarkably reduced, movement is smoother, the abrasion rate is reduced, the service life of parts is prolonged, and the maintenance and replacement frequency is reduced.