Connecting piece for straight-flow type heat collector header

The utility model relates to the field of heat collectors, in particular to a straight-flow type heat collector header connecting piece which comprises a connecting body and a stabilizing device, a heat collecting pipe is arranged on the surface of the connecting body, the stabilizing device is arranged on one side of the connecting body and comprises a round rod, the round rod is fixedly connected with one side of the heat collecting pipe, a first groove is formed in one side of the connecting body, and a second groove is formed in the other side of the connecting body. A fixing sleeve is slidably connected to the inner wall of the first groove in one side of the connecting body, the fixing sleeve is connected with the round rod in a clamped mode, a pull rod is fixedly connected to one side of the fixing sleeve, a sliding rod is fixedly connected to one side of the connecting body, a mounting plate is slidably connected to the surface of the sliding rod, and a second groove is formed in the side, close to th