Odometer sensor ring gear

The utility model aims at providing an odometer sensor ring gear, this internal round hole has lug and elastic rubber block to be convenient for install, signaling gear has 64, does the grating precision improve 8 32 doubly, signaling gear has contained angle A, outwards there is contained angle B at interior round hole left part border and has sunkenly, adaptation odometer sensor that can be fine, set up the reducible weight of through -hole group, ventilation cooling, good stability, it advances lubricating oil to set up the logical groove of oil feed, the signal sensibility is stable, easyinstallation, therefore, the carrier wave prepaid electric energy meter is low in cost. 本实用新型的目的是提供种里程表传感器齿圈，本体内圆孔有凸块和弹性橡胶块便于安装，信号齿有64个，光栅精度提高8-32倍，信号齿有夹角A、内圆孔左部边沿向外有夹角B以及有凹陷，可以很好的适应里程表传感器，设置通孔组可减少重量、通风散热，稳定性好，设置进油通槽进润滑油，信号灵敏度稳定，安装方便，成本低廉。