Connector

1 . A connector comprising:

a housing that is fitted to a mating connector; and

a spring unit that is provided in the housing and generates a biasing force along a connection direction with the mating connector, wherein

the spring unit includes

a spring formed along the connection direction and accommodated in an accommodation chamber with an inlet opened and a back side closed,

a spring cover that has a cylindrical shape with one end opened and another end closed, and is accommodated in the accommodation chamber so as to cover the spring with an open end portion facing the back side of the accommodation chamber, and

a packing that is attached to an outer periphery of the spring cover and shuts off water between the spring cover and the accommodation chamber.

2 . The connector according to claim 1 , wherein

the housing includes an inner housing that holds a terminal, an outer housing provided outside the inner housing, and a lever that is rotatably attached and engages with the mating connector,

the outer housing is attached to the inner housing so as to be movable along the connection direction with the mating connector, and

the spring unit is provided between the inner housing and the outer housing and applies a reaction force to the inner housing to bias the outer housing and the lever to an opposite side of the mating connector.

3 . The connector according to claim 1 , wherein

a plurality of the spring units is provided at a predetermined distance from a center position of the housing.

4 . The connector according to claim 2 , wherein

a plurality of the spring units is provided at a predetermined distance from a center position of the housing.