Pipe inserting device

The utility model discloses a pipe inserting device which comprises a workbench, a first positioning seat and a sliding seat, the first positioning seat comprises a positioning part, the sliding seat is configured to be in sliding connection with the first positioning seat relatively, the sliding seat is provided with a limiting part, and the limiting part and the positioning part are coaxially arranged in the extending direction of the limiting part. And the sliding seat has a sliding state that the limiting part is driven to move towards the direction close to the positioning part along the first direction under the action of driving force, so that the second pipe fitting is sleeved with the first pipe fitting. According to the pipe inserting device of the structure, the first pipe fitting is limited through the positioning part, the second pipe fitting is limited through the limiting part, and when the sliding seat slides in the first direction under the action of driving force, the limiting part is driven