Integrated grouting anchor rod

The integrated grouting anchor rod comprises a pipeline, a drill bit arranged at the bottom end of the pipeline in a communicated mode and a stop-grouting plug arranged on the upper portion of the pipeline, an external thread structure is arranged outside the pipeline, and an internal thread groove matched with the external thread structure in a screwed connection mode is formed in an opening in the top end of the drill bit. A bottom hole communicated with the pipeline is formed in the bottom end of the drill bit, a blocking pad abutting against the bottom hole is arranged in an inner cavity of the drill bit, a clamping ring is arranged at the top end of the blocking pad, the top end of the clamping ring abuts against the bottom end of the pipeline, and the bottom end of the clamping ring abuts against the horizontal end of the bottom end of the internal thread groove through an elastic piece. According to the utility model, the bottom hole sealing structure linked with the pipeline is adopted, so that the pr