90 elbow subassembly

The utility model discloses a 90 elbow subassembly belongs to the technical field of conduit coupling, including the outer silk copper core of installing the shell, outer silk copper core does not set up to be seted up annular groove no. 1 on that end outer wall of external screw thread and forms the directional recess no. 1 that the contained angle set up with annular groove no. 1, and the shell is put through shell inner wall and annular groove no. 1 and the cooperation card of directional recess between one and is fixed outside on the copper core, annular groove no. 2 has been seted up simultaneously on the outer silk copper in -core wall. The utility model relates to a 90 elbow subassembly, overall structure stability is higher, and life is longer. 本实用新型公开种90°弯头组件，属于管道连接件的技术领域，包括安装有外壳的外丝铜芯，所述外丝铜芯未设置外螺纹的那端外壁上开设有环形凹槽以及与环形凹槽形成夹角设置的定向凹槽，外壳通过外壳内壁与环形凹槽及定向凹槽之间的配合卡置而固定在外丝铜芯上；同时外丝铜芯内壁上开设有环形凹槽二。本实用新型种90°弯头组件，整体结构稳定性更高，且使用寿命更长。