The oil filter includes a body. The middle of the body is provided with a muffler tube. The upper end of the muffler tube extends out of the body of the body. The top of the muffler tube is the oil outlet. The bottom of the muffler tube is connected with the core tube by fasteners. The core tube is provided with a filter core body. , The filter element body is provided with a filter screen, and the pipe wall at the lower part of the core tube is provided with oil inlets symmetrically. The advantages of this product: the hydraulic oil enters the body, the muffler tube can stabilize the flow rate, enters the filter element body from the oil inlet, the hydraulic flow rate tends to be constant, and enters the oil pump smoothly with low noise.

Oil filter assembly, which has a receiving cavity that can be closed by means of a top cover element and a support tube fixed in the receiving cavity and spring-loaded for accommodating filter elements that can flow radially through oil, wherein the product support tube It is arranged to be able to move between the working position and the discharge position in the axial direction, so that the support tube of the product closes the discharge port when the receiving cavity is closed by the top cover element in the working position, and the product when the receiving cavity is opened in the discharge position The support tube has an open discharge port, wherein the top cover element has a support tube contact area on its side facing the receiving cavity, so that when the filter element is set on the support tube and the receiving cavity is closed, the product support tube is directly by the support tube The contact area is loaded and moved to the working position.