Patent ID: 7765893
Filing Date: 2010-08-03
Classification: G05G,Y10T

Abstract:
1. A pedal equipped with a displacement detecting sensor using like magnetic poles, comprising: a pedal unit, comprising: a support plate having a shape of a rectangular plate, and supporting a lower portion of the pedal; an actuating pedal coupled to an end of the support plate via an operating hinge, and actuated by pressing pressure; a shock-absorbing hinge provided on a lower portion of the actuating pedal; and a coupling hinge provided on an upper portion of the support plate, and positioned to correspond to the shock-absorbing hinge when the actuating pedal is actuated; a shock-absorbing unit, comprising: a shock-absorbing mounting part provided on an upper portion of the shock-absorbing unit, and having a shock-absorbing mounting hole such that the shock-absorbing hinge of the pedal unit is mounted to the shock-absorbing mounting part; a support shaft provided in a center of each shock-absorbing cylinders having hollow space therein, the shock-absorbing cylinders being provided on both sides of a lower portion of the shock-absorbing unit to be spaced apart from each other by a predetermined interval; and a shock-absorbing spring provided in each of the shock-absorbing cylinders to be supported by the support shaft; a sensor inserting unit, comprising: an insertion housing provided in a center of the shock-absorbing unit to be positioned between the shock-absorbing cylinders, and having a shape of a rectangular box; an upper permanent magnet seated in an upper support seat provided at an upper position in the insertion housing; a lower permanent magnet seated in a lower support seat provided at a lower position in the insertion housing; and a sensor support provided at a lower position in the insertion housing; a rod unit, comprising: a rod mounting part having a rod mounting hole coupled to the coupling hinge, the coupling hinge being provided on the upper portion of the support plate of the pedal unit; and cylindrical insertion rods provided on both sides on an upper portion of the rod mounting part in such a way as to be coupled to the corresponding shock-absorbing cylinders, each of the cylindrical insertion rods having at a center thereof an insertion hole such that the support shaft is inserted therein, supporting the shock-absorbing spring, and being inserted into each of the shock-absorbing cylinders; and a sensing unit, comprising: a sensor housing provided at a center in the rod unit to be positioned between the insertion rods, and extending from the rod mounting part; and a displacement sensor provided on an upper portion of the sensor housing to detect a magnetic field, so that, when the insertion rods are inserted into the corresponding shock-absorbing cylinders, the displacement sensor is supported by the sensor support of the sensor inserting unit, and is moved up and down in response to operation of the actuating pedal, thus measuring displacement amount of a magnetic field formed between the upper permanent magnet and the lower permanent magnet, therefore sensing a position of the actuating pedal.