Oil storing device and engine having the same

摘要

An oil storing device includes a body portion. The body portion is formed at its one end with an engaging portion having an oil supply port for supplying engine oil and an oil return port for introducing the engine oil. The engaging portion is detachably connected to a connecting portion of a crankcase. Oil storing chambers for storing the engine oil are formed in the body portion so as to be connected to the oil supply port and the oil return port. When the engaging portion is engaged with the connecting portion of the crankcase, the oil supply port is connected to an inlet port leading to an oil pump, and the oil return port is connected to an outlet port to the crankcase.

主权项

1. An oil storing device having a body portion, comprising:
an engaging portion formed at one end of the body portion of the oil storage device, said engaging portion having an oil supply port for supplying engine oil to an engine and an oil return port for introducing the engine oil from said engine, said engaging portion of the body portion of the oil storing device being adapted to be detachably connected to a connecting portion of a crankcase; and an oil storing chamber of the oil storage device for storing the engine oil, said oil storing chamber being formed in said body portion so as to be connected to said oil supply port and said oil return port; wherein when said engaging portion of the body portion of the oil storage device is engaged with said connecting portion of said crankcase, said oil supply port of the engaging portion is connected to an inlet port of the connecting portion of the crankcase leading to an oil pump, and said oil return port of the engaging portion is connected to an outlet port of the connecting portion of the crankcase allowing the engine oil to flow from the crankcase; wherein said engaging portion of the oil storage device is provided with closing means for closing said oil supply port and said oil return port of the oil storage device, so said oil storing chamber of the oil storage device is able to be enclosed; wherein the engaging portion of the body portion of the oil storage device includes: a communication hole to which said oil supply port and said oil return port open, and said closing means of the engaging portion comprises: a piston member for closing the communication hole, a seal member for sealing an outer circumference of said piston member, and a spring member for biasing said piston member to a closed position of said communication hole; and when said piston member is pushed against a biasing force of said spring member, said communication hole of the body portion of the oil storing device is opened.