Summary of the invention
It is a kind of simple in structure that the object of the invention is to provide, the electric vehicle electron gear shifting mechanism that is suitable for using on the electric vehicle, and it is comparatively complicated to have solved the structure that existing gearshift mechanism exists, and problem such as is unsuitable for using on electric vehicle.
Above-mentioned technical purpose of the present invention mainly solves by the following technical programs: electric vehicle electron gear shifting mechanism, and it comprises:
One framework, framework constitutes by a base plate with the fixing overcast of base plate, overcast has two upright portions and horizontal tops between two upright portions upper ends, and the top of overcast forms advance gear hole and one and retreats gear hole and one between advancing gear hole and retreat neutral gear gear hole between the gear hole;
One shift level, the lower end of shift level is hinged fixing, and the upper end of gear level is passed the top of overcast and can and be retreated in grade gear hole in neutral gear gear hole, forward gears gear hole and switches;
One forward gears sensitive switch and one retreats shift microswitch, described forward gears sensitive switch with retreat shift microswitch and install and fix with the top of overcast and link to each other with the main electric machine controller of electric vehicle, when gear level when neutral gear gear hole enters into forward gears gear hole, gear level contacts with the forward gears sensitive switch and triggers the forward gears sensitive switch, when gear level enters into from neutral gear gear hole when retreating grade gear hole, gear level with retreat shift microswitch and contact to trigger and retreat shift microswitch.
Working principle of the present invention is as follows: when pulling backward by shift handle operation shift level, shift level touches the forward gears sensitive switch, and signal conduction is to progress signal of main electric machine controller of electric vehicle; When pulling forward by shift handle operation shift level, shift level contacts and retreats shift microswitch, gives backing signal of main electric machine controller of electric vehicle; When shift handle during in the centre, shift level does not contact sensitive switch, does not have signal output.The present invention is respectively by the forward gears sensitive switch with retreat shift microswitch and switch moving forward and backward of electric vehicle, and it is simple in structure, and the reliability height is particularly useful for the gear switch control of electric vehicle.
As preferably, electric vehicle electron gear shifting mechanism also comprises:
One longitudinal shaft, described longitudinal shaft is fixed between the two upright portions of overcast, be arranged with on the longitudinal shaft can and longitudinal shaft between vertical axle sleeve in relative rotation, vertically the axle sleeve overcoat is provided with vertical torsion spring, longitudinal shaft puts formation and longitudinal shaft parallel axes and is positioned at first vertical convex clip of vertical torsion spring below, the upright portion of one of them of overcast inwardly forms second vertical convex clip parallel with first vertical convex clip and that arrange up and down with first vertical convex clip, and the two ends of described vertical torsion spring lay respectively at the left and right sides of first vertical convex clip and second vertical convex clip;
One lateral shaft, the lower end of gear level is fixed with an arch connecting base, lateral shaft is fixed between the two upright portions of arch connecting base, described lateral shaft be arranged with outward can and lateral shaft between horizontal axle sleeve in relative rotation, laterally axle sleeve is fixed together with vertical axle sleeve square crossing, lateral shaft puts and is arranged with horizontal torsion spring, lateral shaft puts formation and lateral shaft parallel axes and is positioned at the first horizontal convex clip of horizontal torsion spring top, the upright portion of one of them of arch connecting base inwardly forms the second horizontal convex clip parallel with the first horizontal convex clip and that arrange up and down with the first horizontal convex clip, and the two ends of described horizontal torsion spring lay respectively at the both sides, front and back of the first horizontal convex clip and the second horizontal convex clip.
Shift level of the present invention by lateral shaft and longitudinal shaft and horizontal torsion spring and vertically torsion spring cooperate shift level left and right directions trend and the fore-and-aft direction trend that resets between two parties that resets between two parties that realized, thereby make gear-change operation more light, forward gears, neutral gear, the shift feel that retreats between grade third gear are more clear.
As preferably, describedly advance shift microswitch and and move back the lower surface that shift microswitch is fixed on the overcast top.
As preferably, described forward gears gear hole is positioned at the left rear side in neutral gear gear hole, describedly retreats the forward right side that grade gear hole is positioned at neutral gear gear hole.
Therefore, the present invention has simple in structure, and reliable performance such as is suitable for using on the electric vehicle at characteristics.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: as Fig. 1, Fig. 2 and shown in Figure 3, electric vehicle electron gear shifting mechanism comprises a framework, framework constitutes by a base plate 1 with the fixing overcast 2 of base plate 1, overcast 2 has two upright 2-1 of portion and horizontal top 2-2 between the two upright 2-1 of portion upper ends, the top 2-2 of overcast 2 forms advance gear hole 3 and one and retreats gear hole 4 and one between advancing gear hole 3 and retreat neutral gear gear hole 5 between the gear hole 4, forward gears gear hole is positioned at the left rear side in neutral gear gear hole, retreats the forward right side that grade gear hole is positioned at neutral gear gear hole.The upper end of shift level 6 pass overcast 2 top 2-2 and can be in neutral gear gear hole 5, forward gears gear hole 3 and retreat switching grade gear hole 4 in; The lower end of gear level 6 is fixed with an arch connecting base 7, lateral shaft 8 is fixed between the two upright portions of arch connecting base 7, lateral shaft 8 outer cover be provided with can and lateral shaft 8 between horizontal axle sleeve 9 in relative rotation, laterally axle sleeve 9 is weldingly fixed on vertical axle sleeve 10 square crossings, laterally be arranged with horizontal torsion spring 11 on the axle sleeve 9, laterally form with the parallel axes of lateral shaft 8 on the axle sleeve 9 and be positioned at the first horizontal convex clip 12 of horizontal torsion spring 11 tops, the upright portion of one of them of arch connecting base 7 inwardly forms the second horizontal convex clip 13 parallel with the first horizontal convex clip 12 and that arrange up and down with the first horizontal convex clip 12, and the two ends of horizontal torsion spring 11 lay respectively at the both sides, front and back of the first horizontal convex clip 12 and the second horizontal convex clip 13.Longitudinal shaft 14 is fixed between the two upright 2-1 of portion of overcast 2, be arranged with on the longitudinal shaft 14 can and longitudinal shaft 14 between vertical axle sleeve 15 in relative rotation, vertically axle sleeve 15 outer cover are provided with vertical torsion spring 16, vertically form with the parallel axes of longitudinal shaft 14 on the axle sleeve 15 and be positioned at first vertical convex clip 17 of vertical torsion spring 16 belows, the upright portion of one of them of overcast 2 inwardly forms second vertical convex clip 18 parallel with the first vertical convex clip 17 and that arrange up and down with first vertical convex clip 17, and the two ends of vertical torsion spring 16 lay respectively at the left and right sides of first vertical convex clip 17 and second vertical convex clip 18; Lower surface at overcast 2 tops is mounted with a forward gears sensitive switch 19 and and moves back shift microswitch 20, forward gears sensitive switch 19 with retreat shift microswitch 20 link to each other with the main electric machine controller of electric vehicle (not expressing among the figure), when gear level 6 when neutral gear gear hole 5 enters into forward gears gear hole 3, gear level 6 contacts with forward gears sensitive switch 19 and triggers the forward gears sensitive switch, when gear level 6 enters into from neutral gear gear hole 5 when retreating grade gear hole 4, gear level 6 with retreat shift microswitch 4 and contact to trigger and retreat shift microswitch.