Oil cooler joint device with stable connection

The utility model belongs to the technical field of oil coolers, and particularly relates to a stably-connected oil cooler connector device which comprises an oil tank connector and an oil cooler connector. The oil tank connector comprises a connector pipe, one end of the connector pipe is fixed and communicated with an oil tank, and a connecting base is fixedly installed at the other end of the connector pipe. According to the utility model, the oil tank and the oil cooler are communicated through the oil tank joint and the oil cooler connector; compared with an existing flexible rubber hose,according to the utility model, the connecting hard pipe is inserted into the lining pipe in the joint pipe; meanwhile, through cooperation of a baffle ring, a lining pipe, a containing cavity, a first sealing gasket, a sealing cylinder and a sealing cavity, the sealing performance is guaranteed; meanwhile, the connecting cylinder is in threaded connection with the joint pipe, the sealing performance is also guaranteed w