Car and vehicle door limiter

The utility model provides a car and vehicle door limiter sets up sliding passage, limiting channel and installation passageway among the limiting box, slider in the sliding passage under the effect of spring and the constant head tank on the spacing arm contact angle that the spacing door of constant head tank was opened each other, the installation passageway cuts sliding passage along length direction, the width of just installing the passageway is greater than sliding passage's diameter, and the lateral wall top of the intercepted the latter half of sliding passage forms water -retaining wall, and the water -retaining wall protrusion forms the boss in the bottom of installation passageway, and the bottom of installing passageway both sides edge forms drainage channel with lateral walland water -retaining wall, and drainage channel's both ends are link up the setting, the utility model discloses a sliding passage is gone into in the external rivers of the water -retaining wall separation of installation pa