Combination casting of engine shaft bushing

The utility model discloses an engine shaft bushing combined casting which comprises a bushing seat and a bushing, the bushing is tightly pressed in the bushing seat, the bushing seat comprises a first inner surface, a pressing part is arranged on the first inner surface in the radial direction, the bushing comprises a second inner surface, an embedding groove is formed in the second inner surface in the radial direction, and the first inner surface and the second inner surface are mutually matched. And a graphite layer is embedded in the embedding groove. According to the utility model, the compression part is additionally arranged, so that the connection tightness between the shaft sleeve and the bushing seat can be improved, and the shaft bushing is prevented from falling off. 本实用新型公开了一种发动机轴衬套组合铸件，包括衬套座和衬套，所述衬套紧压于衬套座中，所述衬套座包括有第一内表面，所述第一内表面上径向设有压紧部，所述衬套包括有第二内表面，所述第二内表面上径向设有嵌槽，所述嵌槽内嵌设有石墨层。本实用新型通过增加压紧部，能够增加轴套于衬套座之间连接的紧固性，防止轴衬套发生脱落。