Dog leash of band stop buddhist nun and brake

The utility model discloses a dog leash of band stop buddhist nun and brake, the engine oil -gas separator comprises a housin, the fixed axle, the wind spring, the spool, damping device and brake equipment, be formed with the teeth of a cogwheel on the spool circumference both sides, epaxial round of gear mesh on gear and the line on the damping device output, sunken coiling the in spool circumference middle part has the rope, it is outwardly directed that the rope passes the casing, brake equipment is including carrying the pull rod, spring and swing arm, the swing arm middle part articulates in a pivot, swing arm one end is worn in carrying pull rod lower part through -hole, other end rigid coupling has the clutch blocks, it has the pressure cap to carry pull rod upper end rigid coupling, lift when carrying the pull rod, the swing arm swing makes clutch blocks and spool end face contaction friction braking. The utility model discloses the design of well wind spring and spool, the injury to pet nape department has been avoided in receiving and releasing of the rope of being convenient for, brake equipment's design can effectively restrain the fast turn -round of spool, and damping device's design has the cushioning effect to receiving and releasing of rope.