CN200978916Y - Gear box - Google Patents

Abstract

The utility model provides a gear box, comprising a box body, a main driving shaft, a main shaft spline, a driven shaft, a driving I gear, a driving II gear, a sliding clutch, a driven I gear, a driven II gear, a shift fork, a shift shaft, a reset spring, a shift pressure plate, a shift locating bar, a shift zip, a chain wheel and a shift pedal. When running the power is transmitted to the main driving shaft by the chain wheel, the rotation of the main shaft drives the movement of the sliding clutch, the sliding clutch generates combination with the driving gear to drive the rotation of the driving gear, the power generating by the rotation is transmitted to the driven gear, thereby drive the movement of the driven shaft to generate power. During the running process, transmission shift can be used to increase the power of climbing and loading and decrease energy consumption, which is widely used in transportation industry.

Description

Gearbox

Technical field

The utility model relates to a kind of gearbox, the gearbox in particularly a kind of electric motor car.

Background technique

In sphere of life now, people's life has been popularized in electric motor car, but present electric motor car in the process of moving, can't improve power, the conversion speed of a motor vehicle by the gear shift position, reduces energy consumption.

Summary of the invention

The purpose of this utility model provides a kind of electric motor car gearbox, and is simple to operate when utilizing the electric motor car that this gearbox is housed to travel, and go up a slope, road conditions are bad, when overload travels, can the conversion gear increase to turn round and refuse to improve climbing, plant Beijing South Maxpower Technology Co. Ltd's power; Smooth, when road conditions are good, can come the conversion speed of a motor vehicle by the gear shift position, reduce energy consumption.

The utility model provides a kind of gearbox, is made up of casing, driving shaft, main spindle multiple spline, driven shaft, bearing, active I gear, active II gear, slippage clutch, driven I gear, driven II gear, shift shift fork, shift axle, return spring, shift pressing plate, shift positioning rod, shift drag-line, sprocket wheel.Bearing is equipped with in casing both sides at gearbox, level is installed before and after driving shaft in the gearbox casing and the driven shaft, on the splined shaft outside both casings sprocket wheel is housed respectively, initiatively the I gear, initiatively the II gear is respectively in the both sides of driving shaft, the slippage clutch is installed in the centre of active I gear with the active II gear of driving shaft by main spindle multiple spline, can left-right rotation, the three work former both produce combination, not in conjunction with the time free to rotate; Driven I gear, driven II gear are respectively in the both sides of driven shaft, and both are fixed gear; The shift shift fork is installed on the slippage clutch, the shift shift fork connects the shift axle, the part of shift axle outside casing installed return spring, the outer part of shift axle box is connected with the middle of shift pressing plate, the lower end of shift pressing plate connects the shift positioning rod, and the shift drag-line is equipped with in the upper end of shift pressing plate, and has return spring, one end of shift drag-line connects the shift axle, and the other end connects the shift pedal.Electric motor car in the process of moving, hang one grade of position during starting, this moment, power was passed on the driving shaft by sprocket wheel, driving shaft drives main spindle multiple spline and rotates, slippage clutch on the main spindle multiple spline produces combine with I gear initiatively by stirring of shift shift fork and drives initiatively that the I gear rotates, and initiatively the I gear rotates driven I gear for transmission of power driven I gear by engagement, thereby drives the driven shaft production power that moves, produce power and export, allow the electric motor car starting travel by sprocket wheel.When electric motor car when reaching certain speed per hour, can change to second gear and carry out speed change, the power of this moment passes to driving shaft by sprocket wheel, driving shaft drives main spindle multiple spline and rotates, slippage clutch on the main spindle multiple spline produces combine with II gear initiatively by stirring of shift shift fork and drives the rotation of active II gear, the power of active II gear passes to driven II gear by engagement rotates driven tooth II wheel, thereby drive the driven shaft motion and produce power, produce power and export, reach the purpose of the conversion speed of a motor vehicle by sprocket wheel.

Owing to adopt technique scheme to compare with traditional electric motor car, simple to operate, at upward slope, overload, when road conditions are bad, can increase to turn round and refuse by the conversion gear, improve climbing, lifting capacity, smooth, when road conditions are good, interchangeable gear comes the conversion speed of a motor vehicle, reduces energy consumption.

Description of drawings

The utility model is described in further detail with reference to the accompanying drawings below

Fig. 1 is the utility model overall structure generalized section

1 casing, 2 driving shafts, 3 driven shafts, 4 bearings, 5 active I gears, 6 active II gears, 7 slippage clutches, 8 driven I gear 9 driven II gear 10 shift shift forks 11 shift axles 12 return springs 13 shift pressing plates 14 shift positioning rods 15 shift drag-lines 16 sprocket wheels 17 shift pedals 18 main spindle multiple splines among the figure

Mode of execution

The utility model provides a kind of gearbox, is made up of casing (1), driving shaft (2), driven shaft (3), bearing (4), active I gear (5), active II gear (6), slippage clutch (7), driven I gear (8), driven II gear (9), shift shift fork (10), shift axle (11), return spring (12), shift pressing plate (13), shift positioning rod (14), shift drag-line (15), sprocket wheel (16), shift pedal (17), main spindle multiple spline (18).In the casing both sides of gearbox (1) bearing (4) is housed, level is installed before and after driving shaft (2) in gearbox (1) body and the driven shaft (3), on the splined shaft outside both casings sprocket wheel (16) is housed respectively, initiatively I gear (5), initiatively II gear (6) is respectively in the both sides of driving shaft (2), slippage clutch (7) is installed in the centre of active I gear (5) with the active II gear (6) of driving shaft (2) by main spindle multiple spline (18), can move left and right, the three work former both produce combination, not in conjunction with the time free to rotate; Driven I gear (6), driven II gear (9) are respectively in the both sides of driven shaft (3), and both are fixed gear; Shift shift fork (10) is installed on the slippage clutch (7), shift shift fork (10) connects shift axle (11), the part of shift axle (11) outside casing installed return spring (12), the outer part of shift axle (11) casing is connected with the middle of shift pressing plate (13), the lower end of shift pressing plate (13) connects shift positioning rod (14), shift drag-line (15) is equipped with in the upper end of shift pressing plate (14), and have a return spring (12), one end of shift drag-line (15) connects shift axle (11), and the other end connects shift pedal (17).Electric motor car in the process of moving, hang one grade of position during starting, this moment, power was passed on the driving shaft (2) by sprocket wheel (16), driving shaft (2) drives main spindle multiple spline (18) and rotates, slippage clutch (7) on the main spindle multiple spline (18) combines by stirring with driving gear (5) generation of shift shift fork (10), driving initiatively, I gear (5) rotates, initiatively the power of I gear (5) passes to driven gear (8) by engagement and makes driven gear (8) rotation, thereby drive driven shaft (3) motion and produce power, the power that produces allows the electric motor car starting travel by sprocket wheel (16) output.When electric motor car when reaching certain speed per hour, can change to the second gear conversion speed of a motor vehicle, the power of this moment passes to driving shaft by sprocket wheel (16), driving shaft (2) drives main spindle multiple spline (18) and rotates, slippage clutch (7) on the main spindle multiple spline produces combine with mainshaft gear (6) by stirring of shift shift fork (10) and drives active II gear (6) rotation, the power of active II gear (6) passes to driven II gear (9) motion by engagement rotates driven II gear (9), thereby drive driven shaft (3) motion and produce power, the power that produces reaches the purpose of the conversion speed of a motor vehicle by sprocket wheel (16) output.

Claims (2)

1, a kind of gearbox, by casing, driving shaft, main spindle multiple spline, driven shaft, bearing, active I gear, active II gear, the slippage clutch, driven I gear, driven II gear, the shift shift fork, the shift axle, return spring, the shift pressing plate, the shift positioning rod, the shift drag-line, sprocket wheel, the shift pedal is formed, it is characterized in that: level is installed before and after driving shaft in the gearbox casing and the driven shaft, active I gear, initiatively the II gear is respectively in the both sides of driving shaft, the slippage clutch is at driving gear, the centre of driving gear, can left-right rotation, driven I gear, driven II gear is respectively in the both sides of driven shaft, and both are fixed gear.

2, gearbox according to claim 1 is characterized in that: the slippage clutch is installed between the active I gear and active II gear of driving shaft by main spindle multiple spline.

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