Patent ID: 9121353
Filing Date: 2015-09-01
Classification: F02D

Abstract:
1. A control structure of a throttle valve of an engine, the throttle valve at least comprising a valve body, a throttle plate, a control seat, a control assembly, a control motor, and a control seat lid: the throttle plate being arranged inside the valve body, the throttle plate being mounted to a control shaft, the control shaft having an end extending outside the valve body and received in the control seat; the control seat being mounted outside the valve body, the control seat comprising a shaft hole seat, a constraint block, a coupling hole seat, and a cable outlet section, wherein the coupling hole seat has outside projections forming mounting holes, the coupling hole seat receiving therein a sealing ring, the shaft hole seat being located between the coupling hole seat and the constraint block; the control assembly comprising a return spring and a control rocker arm, the control rocker arm comprising a connection section, the connection section forming a connection hole, the connection hole being fit over the control shaft, the control rocker arm comprising a cable connection section, a positioning section, and a push section, wherein the return spring has an end supported on the constraint block of the control seat and an opposite end supported on the push section of the control rocker arm; wherein the push section consists of a horizontal segment attached to the cable connection section by a first vertical segment, and a second vertical segment that extends toward, but does not contact the cable connection section; the control motor being mounted to the coupling hole seat of the control seat, the control motor having a front side where a driving rod is mounted, the driving rod having a front tip section positioned against the push section of the control rocker arm, the control motor having side projections forming coupling holes, the coupling holes corresponding to the mounting holes of the coupling hole seat of the control seat; and the control seat lid being secured to the control seat.