Heat pipe connecting box and solar heater applying same

The utility model belongs to the technical field of heat pipe heat exchanger devices, and discloses a heat pipe connecting box for connecting heat pipes and a solar heater applying the heat pipe connecting box. The heat pipe connecting box comprises a box body, the two ends of the box body are provided with a liquid inlet pipe and a liquid outlet pipe respectively, the two sides of the box body are each provided with a row of sleeves, and the sleeves are used for fixedly installing heat pipes. The end, located on the side wall of the box body, of the sleeve is an open end, the end, extending towards the interior of the box body, of the sleeve is a closed end, and the closed end is obliquely arranged upwards. According to the heat pipe connecting box and the solar heater applying the same, the casing pipe is arranged in the box body of the heat pipe connecting box, the heat pipe is placed in the casing pipe, the problems that a sealing rubber ring is not resistant to high temperature and prone to aging and lea