Single gutter inlet

The utility model discloses a single gutter inlet. The device comprises a single box body (1), a filtering cavity (10) is formed in the box body (1); a water inlet (11) is formed in the top of the boxbody (1); a primary filtering basket (8) is arranged at the water inlet (11); the primary filtering device is used for primarily filtering impurities with large particles; a water inlet grate (6) isarranged at the top of the primary filtering basket (8); a water outlet (12) used for being connected with a drainage pipeline (9) is formed in the side wall of the box body (1). Wherein a step (2) isarranged at the bottom of the box body (1); an oil separating and absorbing frame (4) for separating and filtering oil is arranged at the step (2); a slope (3) is arranged at the bottom of the box body (1), the position of the primary filtering basket (8) corresponds to the slope (3) in the vertical direction, the slope (3) inclines towards the step (2) from the side wall of the water inlet (11)so as to be used for settlin