Deepwater cable connection and distribution device

The utility model discloses a deepwater cable connection and distribution device which is characterized by comprising a housing and an inner cylinder, wherein the inner cylinder is coaxially arranged in the housing, each of the two axial ends of the inner cylinder is connected with at least one hose pressing joint in a sealed manner, the axial ends of the inner cylinder are connected with the corresponding axial ends of the housing in the sealed manner, and a waterproof sealant accommodating chamber is formed between the inner cylinder and the housing. The inner cylinder includes a cylinder cavity for accommodating overpressure-resistant seepage-preventive insulating silicone oil, each hose pressing joint includes a seal cavity connected with a cable unit, and the cylinder cavity is communicated with the seal cavities. The deepwater cable connection and distribution device can be used in the deepwater environment, has a good sealing effect, can effectively accelerate the cable maintenance, and thus improves the construction efficiency; and can be applied to connection of cable units of different conductor cross sections as well as connection of multi-cable units.