Core-bar-integrated-type bypass filter

The utility model discloses a core-bar-integrated-type bypass filter which relates to a core-bar-integrated-type filter. The filter comprises a filter element seat, a filter element and a connecting core bar, wherein the lower end of the connecting core bar passes through the middle part of the filter element, a bypass nut is welded at the bottom end of the connecting core bar, the bypass nut is sequentially sleeved with a spring seat and a bypass spring, and the bypass spring is tightly pressed under the filter element. The core-bar-integrated-type bypass filter adopts an integrated core bar, and the bottom of the core bar is in welding fit with the bypass nut, so that loosening and falling off situations caused by too many connecting components are completely eradicated; the filter element seat and the filter element are movably nested sealed through a filter element nesting groove, so that a tedious installation process is avoided; and when an opening pressure is reached due to filter element clogging, the