Direct macropore worm adjustment arm

The utility model discloses a direct macropore worm adjustment arm, including adjustment arm casing, worm axle, macropore worm, establish the worm axle in the adjustment arm casing, the hexagonal is established to the worm axle, and the step is established to the hexagonal right -hand member, and the connecting axle is established to the step right -hand member, and the opposite side is established to the connecting axle, and macropore worm peripheral hardware worm gear establishes the through -hole in, and flat hole is established to the through -hole both sides, and in adjustment arm casingwas packed into to the macropore worm, in adjustment arm casing was also packed into to the worm axle, connecting axle and opposite side cooperated with through -hole and flat hole respectively and are connected, the utility model discloses be the worm axle of through type to a worm axle design change of former step shaft, through -hole and the also corresponding increasing of flat hole of macropore worm have strengthened